class RatingDelegate(QStyledItemDelegate): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args, **kwargs)
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(QFontInfo(QApplication.font()).pointSize()+delta)
def createEditor(self, parent, option, index):
sb = QStyledItemDelegate.createEditor(self, parent, option, index)
sb.setMinimum(0)
sb.setMaximum(5)
sb.setSuffix(' ' + _('stars'))
return sb
def displayText(self, value, locale):
r = int(value)
if r < 0 or r > 5:
r = 0
return u'\u2605'*r
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
def create_winner_dialog(winner, user_choice, rand_choice):
dia = QMessageBox()
font = QFont()
font.setFamily("Arial")
font.setPointSize(14)
dia.setFont(font)
if (user_choice == 1):
user_choice = "Rock"
elif (user_choice == 2):
user_choice = "Paper"
elif (user_choice == 3):
user_choice = "Scissors"
if (rand_choice == 1):
rand_choice = "Rock"
elif (rand_choice == 2):
rand_choice = "Paper"
elif (rand_choice == 3):
rand_choice = "Scissors"
dia.setIcon(QMessageBox.Information)
dia.setText("User Picked: " + str(user_choice) + "\n" +
"Computer Picked: " + str(rand_choice))
dia.setInformativeText("Winner: " + str(winner))
dia.setWindowTitle("Winner")
dia.setStandardButtons(QMessageBox.Ok)
dia.exec_()
class RatingDelegate(QStyledItemDelegate): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args, **kwargs)
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(
QFontInfo(QApplication.font()).pointSize() + delta)
def createEditor(self, parent, option, index):
sb = QStyledItemDelegate.createEditor(self, parent, option, index)
sb.setMinimum(0)
sb.setMaximum(5)
sb.setSuffix(' ' + _('stars'))
return sb
def displayText(self, value, locale):
r = int(value)
if r < 0 or r > 5:
r = 0
return u'\u2605' * r
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
def do_paint(self, painter, option, index):
text = str(index.data(Qt.DisplayRole) or '')
font = QFont(option.font)
font.setPointSize(QFontInfo(font).pointSize() * 1.5)
font2 = QFont(font)
font2.setFamily(text)
system, has_latin = writing_system_for_font(font2)
if has_latin:
font = font2
r = option.rect
if option.state & QStyle.State_Selected:
painter.setPen(QPen(option.palette.highlightedText(), 0))
if (option.direction == Qt.RightToLeft):
r.setRight(r.right() - 4)
else:
r.setLeft(r.left() + 4)
painter.setFont(font)
painter.drawText(r, Qt.AlignVCenter|Qt.AlignLeading|Qt.TextSingleLine, text)
if (system != QFontDatabase.Any):
w = painter.fontMetrics().width(text + " ")
painter.setFont(font2)
sample = QFontDatabase().writingSystemSample(system)
if (option.direction == Qt.RightToLeft):
r.setRight(r.right() - w)
else:
r.setLeft(r.left() + w)
painter.drawText(r, Qt.AlignVCenter|Qt.AlignLeading|Qt.TextSingleLine, sample)
class BlockingBusy(QDialog):
def __init__(self, msg, parent=None, window_title=_('Working')):
QDialog.__init__(self, parent)
self._layout = QVBoxLayout()
self.setLayout(self._layout)
self.msg = QLabel(msg)
# self.msg.setWordWrap(True)
self.font = QFont()
self.font.setPointSize(self.font.pointSize() + 8)
self.msg.setFont(self.font)
self.pi = ProgressIndicator(self)
self.pi.setDisplaySize(100)
self._layout.addWidget(self.pi, 0, Qt.AlignHCenter)
self._layout.addSpacing(15)
self._layout.addWidget(self.msg, 0, Qt.AlignHCenter)
self.start()
self.setWindowTitle(window_title)
self.resize(self.sizeHint())
def start(self):
self.pi.startAnimation()
def stop(self):
self.pi.stopAnimation()
def accept(self):
self.stop()
return QDialog.accept(self)
def reject(self):
pass # Cannot cancel this dialog
def __init__(self):
QWidget.__init__(self)
self.layout_1 = QVBoxLayout()
self.setLayout(self.layout_1)
self.layout_1.setSpacing(0)
self.layout_1.setContentsMargins(QMargins(0, 0, 0, 0))
self.paths_groupbox = QGroupBox('Preferences')
self.layout_1.addWidget(self.paths_groupbox)
self.paths_layout = QGridLayout()
self.paths_groupbox.setLayout(self.paths_layout)
font = QFont()
font.setBold(False)
font.setPointSize(10)
self.label1 = QLabel()
self.label1.setTextFormat(1)
self.label1.setText(
"<center><font color='#0404B4'> Please Customize Directly Within Library Codes </font></center>"
)
self.label1.setFont(font)
self.paths_layout.addWidget(self.label1)
self.resize(self.sizeHint())
def do_paint(self, painter, option, index):
text = unicode(index.data(Qt.DisplayRole) or '')
font = QFont(option.font)
font.setPointSize(QFontInfo(font).pointSize() * 1.5)
font2 = QFont(font)
font2.setFamily(text)
system, has_latin = writing_system_for_font(font2)
if has_latin:
font = font2
r = option.rect
if option.state & QStyle.State_Selected:
painter.setPen(QPen(option.palette.highlightedText(), 0))
if (option.direction == Qt.RightToLeft):
r.setRight(r.right() - 4)
else:
r.setLeft(r.left() + 4)
painter.setFont(font)
painter.drawText(r, Qt.AlignVCenter|Qt.AlignLeading|Qt.TextSingleLine, text)
if (system != QFontDatabase.Any):
w = painter.fontMetrics().width(text + " ")
painter.setFont(font2)
sample = QFontDatabase().writingSystemSample(system)
if (option.direction == Qt.RightToLeft):
r.setRight(r.right() - w)
else:
r.setLeft(r.left() + w)
painter.drawText(r, Qt.AlignVCenter|Qt.AlignLeading|Qt.TextSingleLine, sample)
def __init__ (self,parent=None):
super(Title,self).__init__(parent)
self.setAlignment(QtCore.Qt.AlignCenter)
font = QFont()
#font.setFamily("Nyala")
font.setFamily("Old English Text MT")
font.setPointSize(24)
self.setFont(font)
def data(self, index, role=None):
try:
row = index.row()
column = index.column()
if self.mode == 'Audio':
if role == Qt.DisplayRole:
if column == 0:
return str(row + 1)
elif column == 1:
return self.playlist[row][0].split('/')[-1].split(
'.')[0]
elif column == 2:
return str(
datetime.timedelta(
minutes=int(self.playlist[row][1])))[:-3]
elif role == Qt.TextAlignmentRole:
if column == 1:
return Qt.AlignVCenter | Qt.AlignLeft
elif column == 0:
return Qt.AlignVCenter | Qt.AlignCenter
elif role == Qt.TextColorRole:
if row == self.activeInd:
return QBrush(QColor(222, 142, 55))
if row in self.changed:
return QBrush(QColor(222, 142, 55))
else:
return QBrush(QColor(255, 255, 255))
elif role == Qt.BackgroundColorRole:
if row in self.changed:
return QBrush(QColor(200, 220, 200))
elif role == Qt.FontRole:
f = QFont()
f.setPointSize(11)
f.setWeight(QFont.Bold)
return f
elif self.mode == 'Radio' or self.mode == 'Video':
if role == Qt.DisplayRole:
if column == 0:
return str(row + 1)
elif column == 1:
return self.playlist[row][0]['name']
elif role == Qt.TextAlignmentRole:
if column == 1:
return Qt.AlignVCenter | Qt.AlignLeft
elif column == 0:
return Qt.AlignVCenter | Qt.AlignCenter
elif role == Qt.TextColorRole:
if row == self.activeInd:
return QBrush(QColor(222, 142, 55))
else:
return QBrush(QColor(255, 255, 255))
elif role == Qt.FontRole:
f = QFont()
f.setPointSize(11)
f.setWeight(QFont.Bold)
return f
except Exception as e:
print('Ошибка модели:', e)
def __init__(self, args, force_calibre_style=False, override_program_name=None, headless=False, color_prefs=gprefs):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
if headless:
if not args:
args = sys.argv[:1]
args.extend(['-platformpluginpath', sys.extensions_location, '-platform', 'headless'])
qargs = [i.encode('utf-8') if isinstance(i, unicode) else i for i in args]
self.pi = plugins['progress_indicator'][0]
QApplication.__init__(self, qargs)
self.setup_styles(force_calibre_style)
f = QFont(QApplication.font())
if (f.family(), f.pointSize()) == ('Sans Serif', 9): # Hard coded Qt settings, no user preference detected
f.setPointSize(10)
QApplication.setFont(f)
f = QFontInfo(f)
self.original_font = (f.family(), f.pointSize(), f.weight(), f.italic(), 100)
if not self.using_calibre_style and self.style().objectName() == 'fusion':
# Since Qt is using the fusion style anyway, specialize it
self.load_calibre_style()
fi = gprefs['font']
if fi is not None:
font = QFont(*(fi[:4]))
s = gprefs.get('font_stretch', None)
if s is not None:
font.setStretch(s)
QApplication.setFont(font)
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
if not isosx:
# OS X uses a native color dialog that does not support custom
# colors
self.color_prefs = color_prefs
self.read_custom_colors()
self.lastWindowClosed.connect(self.save_custom_colors)
if isxp:
error_dialog(None, _('Windows XP not supported'), '<p>' + _(
'calibre versions newer than 2.0 do not run on Windows XP. This is'
' because the graphics toolkit calibre uses (Qt 5) crashes a lot'
' on Windows XP. We suggest you stay with <a href="%s">calibre 1.48</a>'
' which works well on Windows XP.') % 'http://download.calibre-ebook.com/1.48.0/', show=True)
raise SystemExit(1)
def __init__(self, parent, icon_name, title):
QHBoxLayout.__init__(self)
self.title_image_label = QLabel(parent)
self.update_title_icon(icon_name)
self.addWidget(self.title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
def __init__(self, parent, icon_name, title):
QHBoxLayout.__init__(self)
self.title_image_label = QLabel(parent)
self.update_title_icon(icon_name)
self.addWidget(self.title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
def __init__(self,
args,
force_calibre_style=False,
override_program_name=None,
headless=False):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
if headless:
if not args:
args = sys.argv[:1]
args.extend([
'-platformpluginpath', sys.extensions_location, '-platform',
'headless'
])
qargs = [
i.encode('utf-8') if isinstance(i, unicode) else i for i in args
]
self.pi = plugins['progress_indicator'][0]
self.setup_styles(force_calibre_style)
QApplication.__init__(self, qargs)
f = QFont(QApplication.font())
if (f.family(), f.pointSize()) == (
'Sans Serif',
9): # Hard coded Qt settings, no user preference detected
f.setPointSize(10)
QApplication.setFont(f)
f = QFontInfo(f)
self.original_font = (f.family(), f.pointSize(), f.weight(),
f.italic(), 100)
if not self.using_calibre_style and self.style().objectName(
) == 'fusion':
# Since Qt is using the fusion style anyway, specialize it
self.load_calibre_style()
fi = gprefs['font']
if fi is not None:
font = QFont(*(fi[:4]))
s = gprefs.get('font_stretch', None)
if s is not None:
font.setStretch(s)
QApplication.setFont(font)
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args, **kwargs)
self.table_widget = args[0]
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(QFontInfo(QApplication.font()).pointSize()+delta)
def createEditor(self, parent, option, index):
sb = QSpinBox(parent)
sb.setMinimum(0)
sb.setMaximum(5)
sb.setSuffix(' ' + _('stars'))
sb.setSpecialValueText(_('Not rated'))
return sb
def get_required_width(self, editor, style, fm):
val = editor.maximum()
text = editor.textFromValue(val) + editor.suffix()
srect = style.itemTextRect(fm, editor.geometry(), Qt.AlignLeft, False,
text + u'M')
return srect.width()
def displayText(self, value, locale):
r = int(value)
if r < 0 or r > 5:
r = 0
return u'\u2605'*r
def setEditorData(self, editor, index):
if check_key_modifier(Qt.ControlModifier):
val = 0
else:
val = index.data(Qt.EditRole)
editor.setValue(val)
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args, **kwargs)
self.table_widget = args[0]
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(
QFontInfo(QApplication.font()).pointSize() + delta)
def createEditor(self, parent, option, index):
sb = QSpinBox(parent)
sb.setMinimum(0)
sb.setMaximum(5)
sb.setSuffix(' ' + _('stars'))
sb.setSpecialValueText(_('Not rated'))
return sb
def get_required_width(self, editor, style, fm):
val = editor.maximum()
text = editor.textFromValue(val) + editor.suffix()
srect = style.itemTextRect(fm, editor.geometry(), Qt.AlignLeft, False,
text + u'M')
return srect.width()
def displayText(self, value, locale):
r = int(value)
if r < 0 or r > 5:
r = 0
return u'\u2605' * r
def setEditorData(self, editor, index):
if check_key_modifier(Qt.ControlModifier):
val = 0
else:
val = index.data(Qt.EditRole)
editor.setValue(val)
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
def set_button_style(self, attr_value_dict: dict):
"""
:param attr_value_dict:
Available styles:
'color' - text color
'background'
'font' - font family
'font_size'
'bold'
'italic'
'underline'
'autoraise' - autoraise button
'on_remove' - handler of remove function, None if no need
Example: button.set_button_style({'color':'magenta' , 'font_size': 18})
"""
if not attr_value_dict:
return
style = ''
if 'color' in attr_value_dict and attr_value_dict['color']:
style += 'color: ' + attr_value_dict['color'] + ';'
if 'background' in attr_value_dict:
style += 'background-color: ' + attr_value_dict['background'] + ';'
if style is not '':
self.setStyleSheet('QToolButton {' + style + '}')
font = QFont()
if 'font' in attr_value_dict:
font.setFamily(attr_value_dict['font'])
if 'font_size' in attr_value_dict:
font.setPointSize(attr_value_dict['font_size'])
font.setBold(attr_value_dict.get('bold', False))
font.setItalic(attr_value_dict.get('italic', False))
font.setUnderline(attr_value_dict.get('underline', False))
self.setFont(font)
self.setAutoRaise(attr_value_dict.get('autoraise', True))
self.remove = attr_value_dict.get('on_remove', None)
if self.remove:
# set button context menu policy
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.on_context_menu)
# create context menu
self.popMenu = QMenu(self)
menu_action = QAction('Remove', self, triggered=self.remove)
self.popMenu.addAction(menu_action)
def setup_ui_font(self):
f = QFont(QApplication.font())
q = (f.family(), f.pointSize())
if iswindows:
if q == ('MS Shell Dlg 2', 8): # Qt default setting
# Microsoft recommends the default font be Segoe UI at 9 pt
# https://msdn.microsoft.com/en-us/library/windows/desktop/dn742483(v=vs.85).aspx
f.setFamily('Segoe UI')
f.setPointSize(9)
QApplication.setFont(f)
else:
if q == ('Sans Serif', 9): # Hard coded Qt settings, no user preference detected
f.setPointSize(10)
QApplication.setFont(f)
f = QFontInfo(f)
self.original_font = (f.family(), f.pointSize(), f.weight(), f.italic(), 100)
def __init__(self, parent, icon_name, title):
'''
:param parent: Parent gui
:param icon_name: Path to plugin image resource
:param title: String to be displayed beside the image
'''
QHBoxLayout.__init__(self)
self.title_image_label = QLabel(parent)
self.update_title_icon(icon_name)
self.addWidget(self.title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
def init_ui(self):
self.setWindowTitle('Программа лояльности клиентов')
main_layout = QVBoxLayout()
# create own font
font = QFont(None)
font.setPointSize(14)
# create other layouts
input_layout = QHBoxLayout()
buttons_layout = QVBoxLayout()
# create other widgets
self.customer_card_input = QLineEdit()
label = QLabel('Введите номер дисконтной карты: ')
show_customers = QPushButton('Вывести записи о покупателе')
show_discounts = QPushButton('Показать скидку для покупателей')
# set font for widgets
label.setFont(font)
show_customers.setFont(font)
show_discounts.setFont(font)
self.customer_card_input.setFont(font)
# connect buttons to functions
show_customers.clicked.connect(self.show_customers)
show_discounts.clicked.connect(self.show_discounts)
# create a table and set it up
self.table = QTableWidget()
self.table.setFont(font)
# set layouts up
input_layout.addWidget(label)
input_layout.addWidget(self.customer_card_input)
buttons_layout.addLayout(input_layout)
buttons_layout.addWidget(show_customers)
buttons_layout.addWidget(show_discounts)
main_layout.addLayout(buttons_layout)
main_layout.addWidget(self.table)
self.load_table()
self.setLayout(main_layout)
def __initView(self):
self.setFixedSize(600, 400)
self.setWindowTitle('Application')
main_layout = QHBoxLayout(self)
main_layout.setSpacing(10)
main_layout.addWidget(self.__paintBoard)
sub_layout = QVBoxLayout()
sub_layout.setContentsMargins(10, 10, 10, 10)
sub_layout.setSpacing(30)
self.__btn_Clear = QPushButton('clear')
self.__btn_Clear.setParent(self)
self.__btn_Clear.clicked.connect(self.__paintBoard.clear)
sub_layout.addWidget(self.__btn_Clear)
self.__btn_Predict = QPushButton('predict')
self.__btn_Predict.setParent(self)
self.__btn_Predict.clicked.connect(self.predict)
sub_layout.addWidget(self.__btn_Predict)
self.__btn_Quit = QPushButton('quit')
self.__btn_Quit.setParent(self)
self.__btn_Quit.clicked.connect(self.quit)
sub_layout.addWidget(self.__btn_Quit)
self.__lb_Result_Tip = QLabel()
font = QFont()
font.setPointSize(24)
self.__lb_Result_Tip.setFont(font)
self.__lb_Result_Tip.setText('result')
self.__lb_Result_Tip.setParent(self)
sub_layout.addWidget(self.__lb_Result_Tip)
self.__lb_Result = QLabel()
font = QFont()
font.setPointSize(30)
self.__lb_Result.setFont(font)
self.__lb_Result.setParent(self)
self.__lb_Result.setAlignment(Qt.AlignHCenter)
sub_layout.addWidget(self.__lb_Result)
main_layout.addLayout(sub_layout)
def __init__(self, parent, icon_name, title):
super(ImageTitleLayout, self).__init__()
self.title_image_label = QLabel(parent)
self.update_title_icon(icon_name)
self.addWidget(self.title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
# Add hyperlink to a help file at the right. We will replace the correct name when it is clicked.
help_label = QLabel(('<a href="http://www.foo.com/">{0}</a>').format(_("Help")), parent)
help_label.setTextInteractionFlags(Qt.LinksAccessibleByMouse | Qt.LinksAccessibleByKeyboard)
help_label.setAlignment(Qt.AlignRight)
help_label.linkActivated.connect(parent.help_link_activated)
self.addWidget(help_label)
def inset_list_front(self, message, now_time, **keywords):
msg = now_time + " "
if 'ordernum' in keywords:
pass
msg += "订单 " + str(keywords.get('ordernum')) + " "
if 'locationid' in keywords:
pass
msg += "库位【 " + str(keywords.get('locationid')) + " 】 "
msg += message
self.PackForm.scan_info_lv.insertItem(0, msg)
font = QFont()
font.setPointSize(13)
self.PackForm.scan_info_lv.item(0).setBackground(QColor('yellow'))
self.PackForm.scan_info_lv.item(0).setFont(font)
if self.PackForm.scan_info_lv.count() > 1:
self.PackForm.scan_info_lv.item(1).setBackground(QColor('white'))
# 清除界面累计数据
if self.PackForm.scan_info_lv.count() > 50:
self.PackForm.scan_info_lv.takeItem(50)
def __init__(self, parent, icon_name, title):
QHBoxLayout.__init__(self)
self.title_image_label = QLabel(parent)
self.update_title_icon(icon_name)
self.addWidget(self.title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
# Add hyperlink to a help file at the right. We will replace the correct name when it is clicked.
help_label = QLabel(('<a href="http://www.foo.com/">{0}</a>').format(_("Help")), parent)
help_label.setTextInteractionFlags(Qt.LinksAccessibleByMouse | Qt.LinksAccessibleByKeyboard)
help_label.setAlignment(Qt.AlignRight)
help_label.linkActivated.connect(parent.help_link_activated)
self.addWidget(help_label)
def __init__(self, parent, icon_name, title):
QHBoxLayout.__init__(self)
title_font = QFont()
title_font.setPointSize(16)
title_image_label = QLabel(parent)
pixmap = QPixmap()
pixmap.load(I(icon_name))
if pixmap is None:
error_dialog(parent, _('Restart required'),
_('You must restart calibre before using this plugin!'), show=True)
else:
title_image_label.setPixmap(pixmap)
title_image_label.setMaximumSize(32, 32)
title_image_label.setScaledContents(True)
self.addWidget(title_image_label)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
def __init__(self, parent, icon_name, title):
QHBoxLayout.__init__(self)
title_font = QFont()
title_font.setPointSize(16)
title_image_label = QLabel(parent)
pixmap = QPixmap()
pixmap.load(I(icon_name))
if pixmap is None:
error_dialog(parent, _('Restart required'),
_('You must restart calibre before using this plugin!'), show=True)
else:
title_image_label.setPixmap(pixmap)
title_image_label.setMaximumSize(32, 32)
title_image_label.setScaledContents(True)
self.addWidget(title_image_label)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args)
self.is_half_star = kwargs.get('is_half_star', False)
self.table_widget = args[0]
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(
QFontInfo(QApplication.font()).pointSize() + delta)
def get_required_width(self, editor, style, fm):
return editor.sizeHint().width()
def displayText(self, value, locale):
return rating_to_stars(value, self.is_half_star)
def createEditor(self, parent, option, index):
return RatingEditor(parent, is_half_star=self.is_half_star)
def setEditorData(self, editor, index):
if check_key_modifier(Qt.ControlModifier):
val = 0
else:
val = index.data(Qt.EditRole)
editor.rating_value = val
def setModelData(self, editor, model, index):
val = editor.rating_value
model.setData(index, val, Qt.EditRole)
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry): # {{{
def __init__(self, *args, **kwargs):
QStyledItemDelegate.__init__(self, *args, **kwargs)
self.is_half_star = kwargs.get('is_half_star', False)
self.table_widget = args[0]
self.rf = QFont(rating_font())
self.em = Qt.ElideMiddle
delta = 0
if iswindows and sys.getwindowsversion().major >= 6:
delta = 2
self.rf.setPointSize(QFontInfo(QApplication.font()).pointSize()+delta)
def get_required_width(self, editor, style, fm):
return editor.sizeHint().width()
def displayText(self, value, locale):
return rating_to_stars(value, self.is_half_star)
def createEditor(self, parent, option, index):
return RatingEditor(parent, is_half_star=self.is_half_star)
def setEditorData(self, editor, index):
if check_key_modifier(Qt.ControlModifier):
val = 0
else:
val = index.data(Qt.EditRole)
editor.rating_value = val
def setModelData(self, editor, model, index):
val = editor.rating_value
model.setData(index, val, Qt.EditRole)
def sizeHint(self, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.sizeHint(self, option, index)
def paint(self, painter, option, index):
option.font = self.rf
option.textElideMode = self.em
return QStyledItemDelegate.paint(self, painter, option, index)
def __init__(self, args, force_calibre_style=False, override_program_name=None, headless=False):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
if headless:
if not args:
args = sys.argv[:1]
args.extend(['-platformpluginpath', sys.extensions_location, '-platform', 'headless'])
qargs = [i.encode('utf-8') if isinstance(i, unicode) else i for i in args]
self.pi = plugins['progress_indicator'][0]
self.setup_styles(force_calibre_style)
QApplication.__init__(self, qargs)
f = QFont(QApplication.font())
if (f.family(), f.pointSize()) == ('Sans Serif', 9): # Hard coded Qt settings, no user preference detected
f.setPointSize(10)
QApplication.setFont(f)
f = QFontInfo(f)
self.original_font = (f.family(), f.pointSize(), f.weight(), f.italic(), 100)
if not self.using_calibre_style and self.style().objectName() == 'fusion':
# Since Qt is using the fusion style anyway, specialize it
self.load_calibre_style()
fi = gprefs['font']
if fi is not None:
font = QFont(*(fi[:4]))
s = gprefs.get('font_stretch', None)
if s is not None:
font.setStretch(s)
QApplication.setFont(font)
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
def generate_buttons(self):
self.buttons = []
self.GameName.setText(str(self.N)+'-Puzzle')
width = int(m.sqrt(self.N+1))
for i in range(width):
for j in range(width):
button = QtWidgets.QPushButton(self.widget)
button.setMaximumHeight(120)
button.setMaximumWidth(120)
button.setObjectName(str(i*width+j))
font = QFont()
font.setPointSize(14)
font.setBold(1)
button.setFont(font)
button.setText(str(state[i*width+j]))
button.clicked.connect(lambda x:self.push_button(int(self.sender().objectName())))
self.buttons.append(button)
self.ButtonLayout.addWidget(button, i, j)
def __init__(self, parent, icon_name, title, tooltip=None):
QHBoxLayout.__init__(self)
title_image_label = QLabel(parent)
pixmap = get_pixmap(icon_name)
if pixmap is None:
pixmap = get_pixmap('library.png')
# error_dialog(parent, _('Restart required'),
# _('You must restart Calibre before using this plugin!'), show=True)
else:
title_image_label.setPixmap(pixmap)
title_image_label.setMaximumSize(32, 32)
title_image_label.setScaledContents(True)
self.addWidget(title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
if tooltip:
title_image_label.setToolTip(tooltip)
shelf_label.setToolTip(tooltip)
def __init__(self, parent, icon_name, title, tooltip=None):
QHBoxLayout.__init__(self)
title_image_label = QLabel(parent)
pixmap = get_pixmap(icon_name)
if pixmap is None:
pixmap = get_pixmap('library.png')
# error_dialog(parent, _('Restart required'),
# _('You must restart Calibre before using this plugin!'), show=True)
else:
title_image_label.setPixmap(pixmap)
title_image_label.setMaximumSize(32, 32)
title_image_label.setScaledContents(True)
self.addWidget(title_image_label)
title_font = QFont()
title_font.setPointSize(16)
shelf_label = QLabel(title, parent)
shelf_label.setFont(title_font)
self.addWidget(shelf_label)
self.insertStretch(-1)
if tooltip:
title_image_label.setToolTip(tooltip)
shelf_label.setToolTip(tooltip)
class TextEdit(PlainTextEdit):
link_clicked = pyqtSignal(object)
smart_highlighting_updated = pyqtSignal()
def __init__(self, parent=None, expected_geometry=(100, 50)):
PlainTextEdit.__init__(self, parent)
self.snippet_manager = SnippetManager(self)
self.completion_popup = CompletionPopup(self)
self.request_completion = self.completion_doc_name = None
self.clear_completion_cache_timer = t = QTimer(self)
t.setInterval(5000), t.timeout.connect(self.clear_completion_cache), t.setSingleShot(True)
self.textChanged.connect(t.start)
self.last_completion_request = -1
self.gutter_width = 0
self.tw = 2
self.expected_geometry = expected_geometry
self.saved_matches = {}
self.syntax = None
self.smarts = NullSmarts(self)
self.current_cursor_line = None
self.current_search_mark = None
self.smarts_highlight_timer = t = QTimer()
t.setInterval(750), t.setSingleShot(True), t.timeout.connect(self.update_extra_selections)
self.highlighter = SyntaxHighlighter()
self.line_number_area = LineNumbers(self)
self.apply_settings()
self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.updateRequest.connect(self.update_line_number_area)
def get_droppable_files(self, md):
def is_mt_ok(mt):
return self.syntax == 'html' and (
mt in OEB_DOCS or mt in OEB_STYLES or mt.startswith('image/')
)
if md.hasFormat(CONTAINER_DND_MIMETYPE):
for line in as_unicode(bytes(md.data(CONTAINER_DND_MIMETYPE))).splitlines():
mt = current_container().mime_map.get(line, 'application/octet-stream')
if is_mt_ok(mt):
yield line, mt, True
return
for qurl in md.urls():
if qurl.isLocalFile() and os.access(qurl.toLocalFile(), os.R_OK):
path = qurl.toLocalFile()
mt = guess_type(path)
if is_mt_ok(mt):
yield path, mt, False
def canInsertFromMimeData(self, md):
if md.hasText() or (md.hasHtml() and self.syntax == 'html') or md.hasImage():
return True
elif tuple(self.get_droppable_files(md)):
return True
return False
def insertFromMimeData(self, md):
files = tuple(self.get_droppable_files(md))
base = self.highlighter.doc_name or None
def get_name(name):
folder = get_recommended_folders(current_container(), (name,))[name] or ''
if folder:
folder += '/'
return folder + name
def get_href(name):
return current_container().name_to_href(name, base)
def insert_text(text):
c = self.textCursor()
c.insertText(text)
self.setTextCursor(c)
self.ensureCursorVisible()
def add_file(name, data, mt=None):
from calibre.gui2.tweak_book.boss import get_boss
name = current_container().add_file(name, data, media_type=mt, modify_name_if_needed=True)
get_boss().refresh_file_list()
return name
if files:
for path, mt, is_name in files:
if is_name:
name = path
else:
name = get_name(os.path.basename(path))
with lopen(path, 'rb') as f:
name = add_file(name, f.read(), mt)
href = get_href(name)
if mt.startswith('image/'):
self.insert_image(href)
elif mt in OEB_STYLES:
insert_text('<link href="{}" rel="stylesheet" type="text/css"/>'.format(href))
elif mt in OEB_DOCS:
self.insert_hyperlink(href, name)
self.ensureCursorVisible()
return
if md.hasImage():
img = md.imageData()
if img is not None and not img.isNull():
data = image_to_data(img, fmt='PNG')
name = add_file(get_name('dropped_image.png'), data)
self.insert_image(get_href(name))
self.ensureCursorVisible()
return
if md.hasText():
return insert_text(md.text())
if md.hasHtml():
insert_text(md.html())
return
@property
def is_modified(self):
''' True if the document has been modified since it was loaded or since
the last time is_modified was set to False. '''
return self.document().isModified()
@is_modified.setter
def is_modified(self, val):
self.document().setModified(bool(val))
def sizeHint(self):
return self.size_hint
def apply_settings(self, prefs=None, dictionaries_changed=False): # {{{
prefs = prefs or tprefs
self.setAcceptDrops(prefs.get('editor_accepts_drops', True))
self.setLineWrapMode(QPlainTextEdit.WidgetWidth if prefs['editor_line_wrap'] else QPlainTextEdit.NoWrap)
theme = get_theme(prefs['editor_theme'])
self.apply_theme(theme)
w = self.fontMetrics()
self.space_width = w.width(' ')
self.tw = self.smarts.override_tab_stop_width if self.smarts.override_tab_stop_width is not None else prefs['editor_tab_stop_width']
self.setTabStopWidth(self.tw * self.space_width)
if dictionaries_changed:
self.highlighter.rehighlight()
def apply_theme(self, theme):
self.theme = theme
pal = self.palette()
pal.setColor(pal.Base, theme_color(theme, 'Normal', 'bg'))
pal.setColor(pal.AlternateBase, theme_color(theme, 'CursorLine', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'Normal', 'fg'))
pal.setColor(pal.Highlight, theme_color(theme, 'Visual', 'bg'))
pal.setColor(pal.HighlightedText, theme_color(theme, 'Visual', 'fg'))
self.setPalette(pal)
self.tooltip_palette = pal = QPalette()
pal.setColor(pal.ToolTipBase, theme_color(theme, 'Tooltip', 'bg'))
pal.setColor(pal.ToolTipText, theme_color(theme, 'Tooltip', 'fg'))
self.line_number_palette = pal = QPalette()
pal.setColor(pal.Base, theme_color(theme, 'LineNr', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'LineNr', 'fg'))
pal.setColor(pal.BrightText, theme_color(theme, 'LineNrC', 'fg'))
self.match_paren_format = theme_format(theme, 'MatchParen')
font = self.font()
ff = tprefs['editor_font_family']
if ff is None:
ff = default_font_family()
font.setFamily(ff)
font.setPointSize(tprefs['editor_font_size'])
self.tooltip_font = QFont(font)
self.tooltip_font.setPointSize(font.pointSize() - 1)
self.setFont(font)
self.highlighter.apply_theme(theme)
w = self.fontMetrics()
self.number_width = max(map(lambda x:w.width(unicode_type(x)), range(10)))
self.size_hint = QSize(self.expected_geometry[0] * w.averageCharWidth(), self.expected_geometry[1] * w.height())
self.highlight_color = theme_color(theme, 'HighlightRegion', 'bg')
self.highlight_cursor_line()
self.completion_popup.clear_caches(), self.completion_popup.update()
# }}}
def load_text(self, text, syntax='html', process_template=False, doc_name=None):
self.syntax = syntax
self.highlighter = get_highlighter(syntax)()
self.highlighter.apply_theme(self.theme)
self.highlighter.set_document(self.document(), doc_name=doc_name)
sclass = get_smarts(syntax)
if sclass is not None:
self.smarts = sclass(self)
if self.smarts.override_tab_stop_width is not None:
self.tw = self.smarts.override_tab_stop_width
self.setTabStopWidth(self.tw * self.space_width)
self.setPlainText(unicodedata.normalize('NFC', unicode_type(text)))
if process_template and QPlainTextEdit.find(self, '%CURSOR%'):
c = self.textCursor()
c.insertText('')
def change_document_name(self, newname):
self.highlighter.doc_name = newname
self.highlighter.rehighlight() # Ensure links are checked w.r.t. the new name correctly
def replace_text(self, text):
c = self.textCursor()
pos = c.position()
c.beginEditBlock()
c.clearSelection()
c.select(c.Document)
c.insertText(unicodedata.normalize('NFC', text))
c.endEditBlock()
c.setPosition(min(pos, len(text)))
self.setTextCursor(c)
self.ensureCursorVisible()
def simple_replace(self, text, cursor=None):
c = cursor or self.textCursor()
c.insertText(unicodedata.normalize('NFC', text))
self.setTextCursor(c)
def go_to_line(self, lnum, col=None):
lnum = max(1, min(self.blockCount(), lnum))
c = self.textCursor()
c.clearSelection()
c.movePosition(c.Start)
c.movePosition(c.NextBlock, n=lnum - 1)
c.movePosition(c.StartOfLine)
c.movePosition(c.EndOfLine, c.KeepAnchor)
text = unicode_type(c.selectedText()).rstrip('\0')
if col is None:
c.movePosition(c.StartOfLine)
lt = text.lstrip()
if text and lt and lt != text:
c.movePosition(c.NextWord)
else:
c.setPosition(c.block().position() + col)
if c.blockNumber() + 1 > lnum:
# We have moved past the end of the line
c.setPosition(c.block().position())
c.movePosition(c.EndOfBlock)
self.setTextCursor(c)
self.ensureCursorVisible()
def update_extra_selections(self, instant=True):
sel = []
if self.current_cursor_line is not None:
sel.append(self.current_cursor_line)
if self.current_search_mark is not None:
sel.append(self.current_search_mark)
if instant and not self.highlighter.has_requests and self.smarts is not None:
sel.extend(self.smarts.get_extra_selections(self))
self.smart_highlighting_updated.emit()
else:
self.smarts_highlight_timer.start()
self.setExtraSelections(sel)
# Search and replace {{{
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def find_in_marked(self, pat, wrap=False, save_match=None):
if self.current_search_mark is None:
return False
csm = self.current_search_mark.cursor
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
m_start = min(csm.position(), csm.anchor())
m_end = max(csm.position(), csm.anchor())
if c.position() < m_start:
c.setPosition(m_start)
if c.position() > m_end:
c.setPosition(m_end)
pos = m_start if reverse else m_end
if wrap:
pos = m_end if reverse else m_start
c.setPosition(pos, c.KeepAnchor)
raw = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
start, end = m_start + start, m_start + end
else:
if reverse:
start, end = m_start + end, m_start + start
else:
start, end = c.anchor() + start, c.anchor() + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def all_in_marked(self, pat, template=None):
if self.current_search_mark is None:
return 0
c = self.current_search_mark.cursor
raw = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
if template is None:
count = len(pat.findall(raw))
else:
from calibre.gui2.tweak_book.function_replace import Function
repl_is_func = isinstance(template, Function)
if repl_is_func:
template.init_env()
raw, count = pat.subn(template, raw)
if repl_is_func:
from calibre.gui2.tweak_book.search import show_function_debug_output
if getattr(template.func, 'append_final_output_to_marked', False):
retval = template.end()
if retval:
raw += unicode_type(retval)
else:
template.end()
show_function_debug_output(template)
if count > 0:
start_pos = min(c.anchor(), c.position())
c.insertText(raw)
end_pos = max(c.anchor(), c.position())
c.setPosition(start_pos), c.setPosition(end_pos, c.KeepAnchor)
self.update_extra_selections()
return count
def smart_comment(self):
from calibre.gui2.tweak_book.editor.comments import smart_comment
smart_comment(self, self.syntax)
def sort_css(self):
from calibre.gui2.dialogs.confirm_delete import confirm
if confirm(_('Sorting CSS rules can in rare cases change the effective styles applied to the book.'
' Are you sure you want to proceed?'), 'edit-book-confirm-sort-css', parent=self, config_set=tprefs):
c = self.textCursor()
c.beginEditBlock()
c.movePosition(c.Start), c.movePosition(c.End, c.KeepAnchor)
text = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
from calibre.ebooks.oeb.polish.css import sort_sheet
text = css_text(sort_sheet(current_container(), text))
c.insertText(text)
c.movePosition(c.Start)
c.endEditBlock()
self.setTextCursor(c)
def find(self, pat, wrap=False, marked=False, complete=False, save_match=None):
if marked:
return self.find_in_marked(pat, wrap=wrap, save_match=save_match)
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
raw = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap and not complete:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
if reverse:
# Put the cursor at the start of the match
start, end = end, start
else:
textpos = c.anchor()
start, end = textpos + start, textpos + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def find_text(self, pat, wrap=False, complete=False):
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
if hasattr(self.smarts, 'find_text'):
self.highlighter.join()
found, start, end = self.smarts.find_text(pat, c)
if not found:
return False
else:
raw = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if reverse:
start, end = end, start
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
return True
def find_spell_word(self, original_words, lang, from_cursor=True, center_on_cursor=True):
c = self.textCursor()
c.setPosition(c.position())
if not from_cursor:
c.movePosition(c.Start)
c.movePosition(c.End, c.KeepAnchor)
def find_first_word(haystack):
match_pos, match_word = -1, None
for w in original_words:
idx = index_of(w, haystack, lang=lang)
if idx > -1 and (match_pos == -1 or match_pos > idx):
match_pos, match_word = idx, w
return match_pos, match_word
while True:
text = unicode_type(c.selectedText()).rstrip('\0')
idx, word = find_first_word(text)
if idx == -1:
return False
c.setPosition(c.anchor() + idx)
c.setPosition(c.position() + string_length(word), c.KeepAnchor)
if self.smarts.verify_for_spellcheck(c, self.highlighter):
self.highlighter.join() # Ensure highlighting is finished
locale = self.spellcheck_locale_for_cursor(c)
if not lang or not locale or (locale and lang == locale.langcode):
self.setTextCursor(c)
if center_on_cursor:
self.centerCursor()
return True
c.setPosition(c.position())
c.movePosition(c.End, c.KeepAnchor)
return False
def find_next_spell_error(self, from_cursor=True):
c = self.textCursor()
if not from_cursor:
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY):
if not from_cursor or block.position() + r.start + r.length > c.position():
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
self.setTextCursor(c)
return True
block = block.next()
return False
def replace(self, pat, template, saved_match='gui'):
c = self.textCursor()
raw = unicode_type(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.fullmatch(raw)
if m is None:
# This can happen if either the user changed the selected text or
# the search expression uses lookahead/lookbehind operators. See if
# the saved match matches the currently selected text and
# use it, if so.
if saved_match is not None and saved_match in self.saved_matches:
saved_pat, saved = self.saved_matches.pop(saved_match)
if saved_pat == pat and saved.group() == raw:
m = saved
if m is None:
return False
if callable(template):
text = template(m)
else:
text = m.expand(template)
c.insertText(text)
return True
def go_to_anchor(self, anchor):
if anchor is TOP:
c = self.textCursor()
c.movePosition(c.Start)
self.setTextCursor(c)
return True
base = r'''%%s\s*=\s*['"]{0,1}%s''' % regex.escape(anchor)
raw = unicode_type(self.toPlainText())
m = regex.search(base % 'id', raw)
if m is None:
m = regex.search(base % 'name', raw)
if m is not None:
c = self.textCursor()
c.setPosition(m.start())
self.setTextCursor(c)
return True
return False
# }}}
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(0, self.last_current_lnum[0], self.line_number_area.width(), self.last_current_lnum[1])
except AttributeError:
pass
block = self.textCursor().block()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(), height)
def update_line_number_area_width(self, block_count=0):
self.gutter_width = self.line_number_area_width()
self.setViewportMargins(self.gutter_width, 0, 0, 0)
def line_number_area_width(self):
digits = 1
limit = max(1, self.blockCount())
while limit >= 10:
limit /= 10
digits += 1
return 8 + self.number_width * digits
def update_line_number_area(self, rect, dy):
if dy:
self.line_number_area.scroll(0, dy)
else:
self.line_number_area.update(0, rect.y(), self.line_number_area.width(), rect.height())
if rect.contains(self.viewport().rect()):
self.update_line_number_area_width()
def resizeEvent(self, ev):
QPlainTextEdit.resizeEvent(self, ev)
cr = self.contentsRect()
self.line_number_area.setGeometry(QRect(cr.left(), cr.top(), self.line_number_area_width(), cr.height()))
def paint_line_numbers(self, ev):
painter = QPainter(self.line_number_area)
painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))
block = self.firstVisibleBlock()
num = block.blockNumber()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
current = self.textCursor().block().blockNumber()
painter.setPen(self.line_number_palette.color(QPalette.Text))
while block.isValid() and top <= ev.rect().bottom():
if block.isVisible() and bottom >= ev.rect().top():
if current == num:
painter.save()
painter.setPen(self.line_number_palette.color(QPalette.BrightText))
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
self.last_current_lnum = (top, bottom - top)
painter.drawText(0, top, self.line_number_area.width() - 5, self.fontMetrics().height(),
Qt.AlignRight, unicode_type(num + 1))
if current == num:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())
num += 1
# }}}
def override_shortcut(self, ev):
# Let the global cut/copy/paste/undo/redo shortcuts work, this avoids the nbsp
# problem as well, since they use the overridden createMimeDataFromSelection() method
# instead of the one from Qt (which makes copy() work), and allows proper customization
# of the shortcuts
if ev in (QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste, QKeySequence.Undo, QKeySequence.Redo):
ev.ignore()
return True
# This is used to convert typed hex codes into unicode
# characters
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
ev.accept()
return True
return PlainTextEdit.override_shortcut(self, ev)
def text_for_range(self, block, r):
c = self.textCursor()
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
return unicode_type(c.selectedText())
def spellcheck_locale_for_cursor(self, c):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for r in formats:
if r.start <= pos <= r.start + r.length and r.format.property(SPELL_PROPERTY):
return r.format.property(SPELL_LOCALE_PROPERTY)
def recheck_word(self, word, locale):
c = self.textCursor()
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY) and self.text_for_range(block, r) == word:
self.highlighter.reformat_block(block)
break
block = block.next()
# Tooltips {{{
def syntax_range_for_cursor(self, cursor):
if cursor.isNull():
return
pos = cursor.positionInBlock()
for r in cursor.block().layout().additionalFormats():
if r.start <= pos <= r.start + r.length and r.format.property(SYNTAX_PROPERTY):
return r
def syntax_format_for_cursor(self, cursor):
return getattr(self.syntax_range_for_cursor(cursor), 'format', None)
def show_tooltip(self, ev):
c = self.cursorForPosition(ev.pos())
fmt = self.syntax_format_for_cursor(c)
if fmt is not None:
tt = unicode_type(fmt.toolTip())
if tt:
QToolTip.setFont(self.tooltip_font)
QToolTip.setPalette(self.tooltip_palette)
QToolTip.showText(ev.globalPos(), textwrap.fill(tt))
return
QToolTip.hideText()
ev.ignore()
# }}}
def link_for_position(self, pos):
c = self.cursorForPosition(pos)
r = self.syntax_range_for_cursor(c)
if r is not None and r.format.property(LINK_PROPERTY):
return self.text_for_range(c.block(), r)
def mousePressEvent(self, ev):
if self.completion_popup.isVisible() and not self.completion_popup.rect().contains(ev.pos()):
# For some reason using eventFilter for this does not work, so we
# implement it here
self.completion_popup.abort()
if ev.modifiers() & Qt.CTRL:
url = self.link_for_position(ev.pos())
if url is not None:
ev.accept()
self.link_clicked.emit(url)
return
return PlainTextEdit.mousePressEvent(self, ev)
def get_range_inside_tag(self):
c = self.textCursor()
left = min(c.anchor(), c.position())
right = max(c.anchor(), c.position())
# For speed we use QPlainTextEdit's toPlainText as we dont care about
# spaces in this context
raw = unicode_type(QPlainTextEdit.toPlainText(self))
# Make sure the left edge is not within a <>
gtpos = raw.find('>', left)
ltpos = raw.find('<', left)
if gtpos < ltpos:
left = gtpos + 1 if gtpos > -1 else left
right = max(left, right)
if right != left:
gtpos = raw.find('>', right)
ltpos = raw.find('<', right)
if ltpos > gtpos:
ltpos = raw.rfind('<', left, right+1)
right = max(ltpos, left)
return left, right
def format_text(self, formatting):
if self.syntax != 'html':
return
if formatting.startswith('justify_'):
return self.smarts.set_text_alignment(self, formatting.partition('_')[-1])
color = 'currentColor'
if formatting in {'color', 'background-color'}:
color = QColorDialog.getColor(QColor(Qt.black if formatting == 'color' else Qt.white), self, _('Choose color'), QColorDialog.ShowAlphaChannel)
if not color.isValid():
return
r, g, b, a = color.getRgb()
if a == 255:
color = 'rgb(%d, %d, %d)' % (r, g, b)
else:
color = 'rgba(%d, %d, %d, %.2g)' % (r, g, b, a/255)
prefix, suffix = {
'bold': ('<b>', '</b>'),
'italic': ('<i>', '</i>'),
'underline': ('<u>', '</u>'),
'strikethrough': ('<strike>', '</strike>'),
'superscript': ('<sup>', '</sup>'),
'subscript': ('<sub>', '</sub>'),
'color': ('<span style="color: %s">' % color, '</span>'),
'background-color': ('<span style="background-color: %s">' % color, '</span>'),
}[formatting]
left, right = self.get_range_inside_tag()
c = self.textCursor()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
prev_text = unicode_type(c.selectedText()).rstrip('\0')
c.insertText(prefix + prev_text + suffix)
if prev_text:
right = c.position()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
else:
c.setPosition(c.position() - len(suffix))
self.setTextCursor(c)
def insert_image(self, href, fullpage=False, preserve_aspect_ratio=False, width=-1, height=-1):
if width <= 0:
width = 1200
if height <= 0:
height = 1600
c = self.textCursor()
template, alt = 'url(%s)', ''
left = min(c.position(), c.anchor)
if self.syntax == 'html':
left, right = self.get_range_inside_tag()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
href = prepare_string_for_xml(href, True)
if fullpage:
template = '''\
<div style="page-break-before:always; page-break-after:always; page-break-inside:avoid">\
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" \
version="1.1" width="100%%" height="100%%" viewBox="0 0 {w} {h}" preserveAspectRatio="{a}">\
<image width="{w}" height="{h}" xlink:href="%s"/>\
</svg></div>'''.format(w=width, h=height, a='xMidYMid meet' if preserve_aspect_ratio else 'none')
else:
alt = _('Image')
template = '<img alt="{0}" src="%s" />'.format(alt)
text = template % href
c.insertText(text)
if self.syntax == 'html' and not fullpage:
c.setPosition(left + 10)
c.setPosition(c.position() + len(alt), c.KeepAnchor)
else:
c.setPosition(left)
c.setPosition(left + len(text), c.KeepAnchor)
self.setTextCursor(c)
def insert_hyperlink(self, target, text, template=None):
if hasattr(self.smarts, 'insert_hyperlink'):
self.smarts.insert_hyperlink(self, target, text, template=template)
def insert_tag(self, tag):
if hasattr(self.smarts, 'insert_tag'):
self.smarts.insert_tag(self, tag)
def remove_tag(self):
if hasattr(self.smarts, 'remove_tag'):
self.smarts.remove_tag(self)
def keyPressEvent(self, ev):
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
if self.replace_possible_unicode_sequence():
ev.accept()
return
if ev.key() == Qt.Key_Insert:
self.setOverwriteMode(self.overwriteMode() ^ True)
ev.accept()
return
if self.snippet_manager.handle_key_press(ev):
self.completion_popup.hide()
return
if self.smarts.handle_key_press(ev, self):
self.handle_keypress_completion(ev)
return
QPlainTextEdit.keyPressEvent(self, ev)
self.handle_keypress_completion(ev)
def handle_keypress_completion(self, ev):
if self.request_completion is None:
return
code = ev.key()
if code in (
0, Qt.Key_unknown, Qt.Key_Shift, Qt.Key_Control, Qt.Key_Alt,
Qt.Key_Meta, Qt.Key_AltGr, Qt.Key_CapsLock, Qt.Key_NumLock,
Qt.Key_ScrollLock, Qt.Key_Up, Qt.Key_Down):
# We ignore up/down arrow so as to not break scrolling through the
# text with the arrow keys
return
result = self.smarts.get_completion_data(self, ev)
if result is None:
self.last_completion_request += 1
else:
self.last_completion_request = self.request_completion(*result)
self.completion_popup.mark_completion(self, None if result is None else result[-1])
def handle_completion_result(self, result):
if result.request_id[0] >= self.last_completion_request:
self.completion_popup.handle_result(result)
def clear_completion_cache(self):
if self.request_completion is not None and self.completion_doc_name:
self.request_completion(None, 'file:' + self.completion_doc_name)
def replace_possible_unicode_sequence(self):
c = self.textCursor()
has_selection = c.hasSelection()
if has_selection:
text = unicode_type(c.selectedText()).rstrip('\0')
else:
c.setPosition(c.position() - min(c.positionInBlock(), 6), c.KeepAnchor)
text = unicode_type(c.selectedText()).rstrip('\0')
m = re.search(r'[a-fA-F0-9]{2,6}$', text)
if m is None:
return False
text = m.group()
try:
num = int(text, 16)
except ValueError:
return False
if num > 0x10ffff or num < 1:
return False
end_pos = max(c.anchor(), c.position())
c.setPosition(end_pos - len(text)), c.setPosition(end_pos, c.KeepAnchor)
c.insertText(safe_chr(num))
return True
def select_all(self):
c = self.textCursor()
c.clearSelection()
c.setPosition(0)
c.movePosition(c.End, c.KeepAnchor)
self.setTextCursor(c)
def rename_block_tag(self, new_name):
if hasattr(self.smarts, 'rename_block_tag'):
self.smarts.rename_block_tag(self, new_name)
def current_tag(self, for_position_sync=True):
return self.smarts.cursor_position_with_sourceline(self.textCursor(), for_position_sync=for_position_sync)
def goto_sourceline(self, sourceline, tags, attribute=None):
return self.smarts.goto_sourceline(self, sourceline, tags, attribute=attribute)
def get_tag_contents(self):
c = self.smarts.get_inner_HTML(self)
if c is not None:
return self.selected_text_from_cursor(c)
def goto_css_rule(self, rule_address, sourceline_address=None):
from calibre.gui2.tweak_book.editor.smarts.css import find_rule
block = None
if self.syntax == 'css':
raw = unicode_type(self.toPlainText())
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(line - 1)
elif sourceline_address is not None:
sourceline, tags = sourceline_address
if self.goto_sourceline(sourceline, tags):
c = self.textCursor()
c.setPosition(c.position() + 1)
self.setTextCursor(c)
raw = self.get_tag_contents()
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(c.blockNumber() + line - 1)
if block is not None and block.isValid():
c = self.textCursor()
c.setPosition(block.position() + col)
self.setTextCursor(c)
def change_case(self, action, cursor=None):
cursor = cursor or self.textCursor()
text = self.selected_text_from_cursor(cursor)
text = {'lower':lower, 'upper':upper, 'capitalize':capitalize, 'title':titlecase, 'swap':swapcase}[action](text)
cursor.insertText(text)
self.setTextCursor(cursor)
class TextEdit(PlainTextEdit):
link_clicked = pyqtSignal(object)
smart_highlighting_updated = pyqtSignal()
def __init__(self, parent=None, expected_geometry=(100, 50)):
PlainTextEdit.__init__(self, parent)
self.snippet_manager = SnippetManager(self)
self.completion_popup = CompletionPopup(self)
self.request_completion = self.completion_doc_name = None
self.clear_completion_cache_timer = t = QTimer(self)
t.setInterval(5000), t.timeout.connect(self.clear_completion_cache), t.setSingleShot(True)
self.textChanged.connect(t.start)
self.last_completion_request = -1
self.gutter_width = 0
self.tw = 2
self.expected_geometry = expected_geometry
self.saved_matches = {}
self.syntax = None
self.smarts = NullSmarts(self)
self.current_cursor_line = None
self.current_search_mark = None
self.smarts_highlight_timer = t = QTimer()
t.setInterval(750), t.setSingleShot(True), t.timeout.connect(self.update_extra_selections)
self.highlighter = SyntaxHighlighter()
self.line_number_area = LineNumbers(self)
self.apply_settings()
self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.updateRequest.connect(self.update_line_number_area)
@dynamic_property
def is_modified(self):
""" True if the document has been modified since it was loaded or since
the last time is_modified was set to False. """
def fget(self):
return self.document().isModified()
def fset(self, val):
self.document().setModified(bool(val))
return property(fget=fget, fset=fset)
def sizeHint(self):
return self.size_hint
def apply_settings(self, prefs=None, dictionaries_changed=False): # {{{
prefs = prefs or tprefs
self.setAcceptDrops(prefs.get("editor_accepts_drops", True))
self.setLineWrapMode(QPlainTextEdit.WidgetWidth if prefs["editor_line_wrap"] else QPlainTextEdit.NoWrap)
theme = get_theme(prefs["editor_theme"])
self.apply_theme(theme)
w = self.fontMetrics()
self.space_width = w.width(" ")
self.tw = (
self.smarts.override_tab_stop_width
if self.smarts.override_tab_stop_width is not None
else prefs["editor_tab_stop_width"]
)
self.setTabStopWidth(self.tw * self.space_width)
if dictionaries_changed:
self.highlighter.rehighlight()
def apply_theme(self, theme):
self.theme = theme
pal = self.palette()
pal.setColor(pal.Base, theme_color(theme, "Normal", "bg"))
pal.setColor(pal.AlternateBase, theme_color(theme, "CursorLine", "bg"))
pal.setColor(pal.Text, theme_color(theme, "Normal", "fg"))
pal.setColor(pal.Highlight, theme_color(theme, "Visual", "bg"))
pal.setColor(pal.HighlightedText, theme_color(theme, "Visual", "fg"))
self.setPalette(pal)
self.tooltip_palette = pal = QPalette()
pal.setColor(pal.ToolTipBase, theme_color(theme, "Tooltip", "bg"))
pal.setColor(pal.ToolTipText, theme_color(theme, "Tooltip", "fg"))
self.line_number_palette = pal = QPalette()
pal.setColor(pal.Base, theme_color(theme, "LineNr", "bg"))
pal.setColor(pal.Text, theme_color(theme, "LineNr", "fg"))
pal.setColor(pal.BrightText, theme_color(theme, "LineNrC", "fg"))
self.match_paren_format = theme_format(theme, "MatchParen")
font = self.font()
ff = tprefs["editor_font_family"]
if ff is None:
ff = default_font_family()
font.setFamily(ff)
font.setPointSize(tprefs["editor_font_size"])
self.tooltip_font = QFont(font)
self.tooltip_font.setPointSize(font.pointSize() - 1)
self.setFont(font)
self.highlighter.apply_theme(theme)
w = self.fontMetrics()
self.number_width = max(map(lambda x: w.width(str(x)), xrange(10)))
self.size_hint = QSize(self.expected_geometry[0] * w.averageCharWidth(), self.expected_geometry[1] * w.height())
self.highlight_color = theme_color(theme, "HighlightRegion", "bg")
self.highlight_cursor_line()
self.completion_popup.clear_caches(), self.completion_popup.update()
# }}}
def load_text(self, text, syntax="html", process_template=False, doc_name=None):
self.syntax = syntax
self.highlighter = get_highlighter(syntax)()
self.highlighter.apply_theme(self.theme)
self.highlighter.set_document(self.document(), doc_name=doc_name)
sclass = get_smarts(syntax)
if sclass is not None:
self.smarts = sclass(self)
if self.smarts.override_tab_stop_width is not None:
self.tw = self.smarts.override_tab_stop_width
self.setTabStopWidth(self.tw * self.space_width)
self.setPlainText(unicodedata.normalize("NFC", unicode(text)))
if process_template and QPlainTextEdit.find(self, "%CURSOR%"):
c = self.textCursor()
c.insertText("")
def change_document_name(self, newname):
self.highlighter.doc_name = newname
self.highlighter.rehighlight() # Ensure links are checked w.r.t. the new name correctly
def replace_text(self, text):
c = self.textCursor()
pos = c.position()
c.beginEditBlock()
c.clearSelection()
c.select(c.Document)
c.insertText(unicodedata.normalize("NFC", text))
c.endEditBlock()
c.setPosition(min(pos, len(text)))
self.setTextCursor(c)
self.ensureCursorVisible()
def simple_replace(self, text, cursor=None):
c = cursor or self.textCursor()
c.insertText(unicodedata.normalize("NFC", text))
self.setTextCursor(c)
def go_to_line(self, lnum, col=None):
lnum = max(1, min(self.blockCount(), lnum))
c = self.textCursor()
c.clearSelection()
c.movePosition(c.Start)
c.movePosition(c.NextBlock, n=lnum - 1)
c.movePosition(c.StartOfLine)
c.movePosition(c.EndOfLine, c.KeepAnchor)
text = unicode(c.selectedText()).rstrip("\0")
if col is None:
c.movePosition(c.StartOfLine)
lt = text.lstrip()
if text and lt and lt != text:
c.movePosition(c.NextWord)
else:
c.setPosition(c.block().position() + col)
if c.blockNumber() + 1 > lnum:
# We have moved past the end of the line
c.setPosition(c.block().position())
c.movePosition(c.EndOfBlock)
self.setTextCursor(c)
self.ensureCursorVisible()
def update_extra_selections(self, instant=True):
sel = []
if self.current_cursor_line is not None:
sel.append(self.current_cursor_line)
if self.current_search_mark is not None:
sel.append(self.current_search_mark)
if instant and not self.highlighter.has_requests and self.smarts is not None:
sel.extend(self.smarts.get_extra_selections(self))
self.smart_highlighting_updated.emit()
else:
self.smarts_highlight_timer.start()
self.setExtraSelections(sel)
# Search and replace {{{
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def find_in_marked(self, pat, wrap=False, save_match=None):
if self.current_search_mark is None:
return False
csm = self.current_search_mark.cursor
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
m_start = min(csm.position(), csm.anchor())
m_end = max(csm.position(), csm.anchor())
if c.position() < m_start:
c.setPosition(m_start)
if c.position() > m_end:
c.setPosition(m_end)
pos = m_start if reverse else m_end
if wrap:
pos = m_end if reverse else m_start
c.setPosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, "\n").rstrip("\0")
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
start, end = m_start + start, m_start + end
else:
if reverse:
start, end = m_start + end, m_start + start
else:
start, end = c.anchor() + start, c.anchor() + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def all_in_marked(self, pat, template=None):
if self.current_search_mark is None:
return 0
c = self.current_search_mark.cursor
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, "\n").rstrip("\0")
if template is None:
count = len(pat.findall(raw))
else:
from calibre.gui2.tweak_book.function_replace import Function
repl_is_func = isinstance(template, Function)
if repl_is_func:
template.init_env()
raw, count = pat.subn(template, raw)
if repl_is_func:
from calibre.gui2.tweak_book.search import show_function_debug_output
template.end()
show_function_debug_output(template)
if count > 0:
start_pos = min(c.anchor(), c.position())
c.insertText(raw)
end_pos = max(c.anchor(), c.position())
c.setPosition(start_pos), c.setPosition(end_pos, c.KeepAnchor)
self.update_extra_selections()
return count
def smart_comment(self):
from calibre.gui2.tweak_book.editor.comments import smart_comment
smart_comment(self, self.syntax)
def find(self, pat, wrap=False, marked=False, complete=False, save_match=None):
if marked:
return self.find_in_marked(pat, wrap=wrap, save_match=save_match)
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, "\n").rstrip("\0")
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap and not complete:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
if reverse:
# Put the cursor at the start of the match
start, end = end, start
else:
textpos = c.anchor()
start, end = textpos + start, textpos + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def find_spell_word(self, original_words, lang, from_cursor=True, center_on_cursor=True):
c = self.textCursor()
c.setPosition(c.position())
if not from_cursor:
c.movePosition(c.Start)
c.movePosition(c.End, c.KeepAnchor)
def find_first_word(haystack):
match_pos, match_word = -1, None
for w in original_words:
idx = index_of(w, haystack, lang=lang)
if idx > -1 and (match_pos == -1 or match_pos > idx):
match_pos, match_word = idx, w
return match_pos, match_word
while True:
text = unicode(c.selectedText()).rstrip("\0")
idx, word = find_first_word(text)
if idx == -1:
return False
c.setPosition(c.anchor() + idx)
c.setPosition(c.position() + string_length(word), c.KeepAnchor)
if self.smarts.verify_for_spellcheck(c, self.highlighter):
self.setTextCursor(c)
if center_on_cursor:
self.centerCursor()
return True
c.setPosition(c.position())
c.movePosition(c.End, c.KeepAnchor)
return False
def find_next_spell_error(self, from_cursor=True):
c = self.textCursor()
if not from_cursor:
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY):
if not from_cursor or block.position() + r.start + r.length > c.position():
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
self.setTextCursor(c)
return True
block = block.next()
return False
def replace(self, pat, template, saved_match="gui"):
c = self.textCursor()
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, "\n").rstrip("\0")
m = pat.fullmatch(raw)
if m is None:
# This can happen if either the user changed the selected text or
# the search expression uses lookahead/lookbehind operators. See if
# the saved match matches the currently selected text and
# use it, if so.
if saved_match is not None and saved_match in self.saved_matches:
saved_pat, saved = self.saved_matches.pop(saved_match)
if saved_pat == pat and saved.group() == raw:
m = saved
if m is None:
return False
if callable(template):
text = template(m)
else:
text = m.expand(template)
c.insertText(text)
return True
def go_to_anchor(self, anchor):
if anchor is TOP:
c = self.textCursor()
c.movePosition(c.Start)
self.setTextCursor(c)
return True
base = r"""%%s\s*=\s*['"]{0,1}%s""" % regex.escape(anchor)
raw = unicode(self.toPlainText())
m = regex.search(base % "id", raw)
if m is None:
m = regex.search(base % "name", raw)
if m is not None:
c = self.textCursor()
c.setPosition(m.start())
self.setTextCursor(c)
return True
return False
# }}}
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(
0, self.last_current_lnum[0], self.line_number_area.width(), self.last_current_lnum[1]
)
except AttributeError:
pass
block = self.textCursor().block()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(), height)
def update_line_number_area_width(self, block_count=0):
self.gutter_width = self.line_number_area_width()
self.setViewportMargins(self.gutter_width, 0, 0, 0)
def line_number_area_width(self):
digits = 1
limit = max(1, self.blockCount())
while limit >= 10:
limit /= 10
digits += 1
return 8 + self.number_width * digits
def update_line_number_area(self, rect, dy):
if dy:
self.line_number_area.scroll(0, dy)
else:
self.line_number_area.update(0, rect.y(), self.line_number_area.width(), rect.height())
if rect.contains(self.viewport().rect()):
self.update_line_number_area_width()
def resizeEvent(self, ev):
QPlainTextEdit.resizeEvent(self, ev)
cr = self.contentsRect()
self.line_number_area.setGeometry(QRect(cr.left(), cr.top(), self.line_number_area_width(), cr.height()))
def paint_line_numbers(self, ev):
painter = QPainter(self.line_number_area)
painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))
block = self.firstVisibleBlock()
num = block.blockNumber()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
current = self.textCursor().block().blockNumber()
painter.setPen(self.line_number_palette.color(QPalette.Text))
while block.isValid() and top <= ev.rect().bottom():
if block.isVisible() and bottom >= ev.rect().top():
if current == num:
painter.save()
painter.setPen(self.line_number_palette.color(QPalette.BrightText))
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
self.last_current_lnum = (top, bottom - top)
painter.drawText(
0, top, self.line_number_area.width() - 5, self.fontMetrics().height(), Qt.AlignRight, str(num + 1)
)
if current == num:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())
num += 1
# }}}
def event(self, ev):
if ev.type() == ev.ToolTip:
self.show_tooltip(ev)
return True
if ev.type() == ev.ShortcutOverride:
# Let the global cut/copy/paste/undo/redo shortcuts work, this avoids the nbsp
# problem as well, since they use the overridden copy() method
# instead of the one from Qt, and allows proper customization
# of the shortcuts
if ev in (QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste, QKeySequence.Undo, QKeySequence.Redo):
ev.ignore()
return True
# This is used to convert typed hex codes into unicode
# characters
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
ev.accept()
return True
return QPlainTextEdit.event(self, ev)
def text_for_range(self, block, r):
c = self.textCursor()
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
return unicode(c.selectedText())
def spellcheck_locale_for_cursor(self, c):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for r in formats:
if r.start <= pos <= r.start + r.length and r.format.property(SPELL_PROPERTY):
return r.format.property(SPELL_LOCALE_PROPERTY)
def recheck_word(self, word, locale):
c = self.textCursor()
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY) and self.text_for_range(block, r) == word:
self.highlighter.reformat_block(block)
break
block = block.next()
# Tooltips {{{
def syntax_range_for_cursor(self, cursor):
if cursor.isNull():
return
pos = cursor.positionInBlock()
for r in cursor.block().layout().additionalFormats():
if r.start <= pos <= r.start + r.length and r.format.property(SYNTAX_PROPERTY):
return r
def syntax_format_for_cursor(self, cursor):
return getattr(self.syntax_range_for_cursor(cursor), "format", None)
def show_tooltip(self, ev):
c = self.cursorForPosition(ev.pos())
fmt = self.syntax_format_for_cursor(c)
if fmt is not None:
tt = unicode(fmt.toolTip())
if tt:
QToolTip.setFont(self.tooltip_font)
QToolTip.setPalette(self.tooltip_palette)
QToolTip.showText(ev.globalPos(), textwrap.fill(tt))
return
QToolTip.hideText()
ev.ignore()
# }}}
def link_for_position(self, pos):
c = self.cursorForPosition(pos)
r = self.syntax_range_for_cursor(c)
if r is not None and r.format.property(LINK_PROPERTY):
return self.text_for_range(c.block(), r)
def mousePressEvent(self, ev):
if self.completion_popup.isVisible() and not self.completion_popup.rect().contains(ev.pos()):
# For some reason using eventFilter for this does not work, so we
# implement it here
self.completion_popup.abort()
if ev.modifiers() & Qt.CTRL:
url = self.link_for_position(ev.pos())
if url is not None:
ev.accept()
self.link_clicked.emit(url)
return
return PlainTextEdit.mousePressEvent(self, ev)
def get_range_inside_tag(self):
c = self.textCursor()
left = min(c.anchor(), c.position())
right = max(c.anchor(), c.position())
# For speed we use QPlainTextEdit's toPlainText as we dont care about
# spaces in this context
raw = unicode(QPlainTextEdit.toPlainText(self))
# Make sure the left edge is not within a <>
gtpos = raw.find(">", left)
ltpos = raw.find("<", left)
if gtpos < ltpos:
left = gtpos + 1 if gtpos > -1 else left
right = max(left, right)
if right != left:
gtpos = raw.find(">", right)
ltpos = raw.find("<", right)
if ltpos > gtpos:
ltpos = raw.rfind("<", left, right + 1)
right = max(ltpos, left)
return left, right
def format_text(self, formatting):
if self.syntax != "html":
return
if formatting.startswith("justify_"):
return self.smarts.set_text_alignment(self, formatting.partition("_")[-1])
color = "currentColor"
if formatting in {"color", "background-color"}:
color = QColorDialog.getColor(
QColor(Qt.black if formatting == "color" else Qt.white),
self,
_("Choose color"),
QColorDialog.ShowAlphaChannel,
)
if not color.isValid():
return
r, g, b, a = color.getRgb()
if a == 255:
color = "rgb(%d, %d, %d)" % (r, g, b)
else:
color = "rgba(%d, %d, %d, %.2g)" % (r, g, b, a / 255)
prefix, suffix = {
"bold": ("<b>", "</b>"),
"italic": ("<i>", "</i>"),
"underline": ("<u>", "</u>"),
"strikethrough": ("<strike>", "</strike>"),
"superscript": ("<sup>", "</sup>"),
"subscript": ("<sub>", "</sub>"),
"color": ('<span style="color: %s">' % color, "</span>"),
"background-color": ('<span style="background-color: %s">' % color, "</span>"),
}[formatting]
left, right = self.get_range_inside_tag()
c = self.textCursor()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
prev_text = unicode(c.selectedText()).rstrip("\0")
c.insertText(prefix + prev_text + suffix)
if prev_text:
right = c.position()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
else:
c.setPosition(c.position() - len(suffix))
self.setTextCursor(c)
def insert_image(self, href, fullpage=False, preserve_aspect_ratio=False):
c = self.textCursor()
template, alt = "url(%s)", ""
left = min(c.position(), c.anchor)
if self.syntax == "html":
left, right = self.get_range_inside_tag()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
href = prepare_string_for_xml(href, True)
if fullpage:
template = """\
<div style="page-break-before:always; page-break-after:always; page-break-inside:avoid">\
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" \
version="1.1" width="100%%" height="100%%" viewBox="0 0 1200 1600" preserveAspectRatio="{}">\
<image width="1200" height="1600" xlink:href="%s"/>\
</svg></div>""".format(
"xMidYMid meet" if preserve_aspect_ratio else "none"
)
else:
alt = _("Image")
template = '<img alt="{0}" src="%s" />'.format(alt)
text = template % href
c.insertText(text)
if self.syntax == "html" and not fullpage:
c.setPosition(left + 10)
c.setPosition(c.position() + len(alt), c.KeepAnchor)
else:
c.setPosition(left)
c.setPosition(left + len(text), c.KeepAnchor)
self.setTextCursor(c)
def insert_hyperlink(self, target, text):
if hasattr(self.smarts, "insert_hyperlink"):
self.smarts.insert_hyperlink(self, target, text)
def insert_tag(self, tag):
if hasattr(self.smarts, "insert_tag"):
self.smarts.insert_tag(self, tag)
def keyPressEvent(self, ev):
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
if self.replace_possible_unicode_sequence():
ev.accept()
return
if ev.key() == Qt.Key_Insert:
self.setOverwriteMode(self.overwriteMode() ^ True)
ev.accept()
return
if self.snippet_manager.handle_key_press(ev):
self.completion_popup.hide()
return
if self.smarts.handle_key_press(ev, self):
self.handle_keypress_completion(ev)
return
QPlainTextEdit.keyPressEvent(self, ev)
self.handle_keypress_completion(ev)
def handle_keypress_completion(self, ev):
if self.request_completion is None:
return
code = ev.key()
if code in (
0,
Qt.Key_unknown,
Qt.Key_Shift,
Qt.Key_Control,
Qt.Key_Alt,
Qt.Key_Meta,
Qt.Key_AltGr,
Qt.Key_CapsLock,
Qt.Key_NumLock,
Qt.Key_ScrollLock,
Qt.Key_Up,
Qt.Key_Down,
):
# We ignore up/down arrow so as to not break scrolling through the
# text with the arrow keys
return
result = self.smarts.get_completion_data(self, ev)
if result is None:
self.last_completion_request += 1
else:
self.last_completion_request = self.request_completion(*result)
self.completion_popup.mark_completion(self, None if result is None else result[-1])
def handle_completion_result(self, result):
if result.request_id[0] >= self.last_completion_request:
self.completion_popup.handle_result(result)
def clear_completion_cache(self):
if self.request_completion is not None and self.completion_doc_name:
self.request_completion(None, "file:" + self.completion_doc_name)
def replace_possible_unicode_sequence(self):
c = self.textCursor()
has_selection = c.hasSelection()
if has_selection:
text = unicode(c.selectedText()).rstrip("\0")
else:
c.setPosition(c.position() - min(c.positionInBlock(), 6), c.KeepAnchor)
text = unicode(c.selectedText()).rstrip("\0")
m = re.search(r"[a-fA-F0-9]{2,6}$", text)
if m is None:
return False
text = m.group()
try:
num = int(text, 16)
except ValueError:
return False
if num > 0x10FFFF or num < 1:
return False
end_pos = max(c.anchor(), c.position())
c.setPosition(end_pos - len(text)), c.setPosition(end_pos, c.KeepAnchor)
c.insertText(safe_chr(num))
return True
def select_all(self):
c = self.textCursor()
c.clearSelection()
c.setPosition(0)
c.movePosition(c.End, c.KeepAnchor)
self.setTextCursor(c)
def rename_block_tag(self, new_name):
if hasattr(self.smarts, "rename_block_tag"):
self.smarts.rename_block_tag(self, new_name)
def current_tag(self, for_position_sync=True):
return self.smarts.cursor_position_with_sourceline(self.textCursor(), for_position_sync=for_position_sync)
def goto_sourceline(self, sourceline, tags, attribute=None):
return self.smarts.goto_sourceline(self, sourceline, tags, attribute=attribute)
def get_tag_contents(self):
c = self.smarts.get_inner_HTML(self)
if c is not None:
return self.selected_text_from_cursor(c)
def goto_css_rule(self, rule_address, sourceline_address=None):
from calibre.gui2.tweak_book.editor.smarts.css import find_rule
block = None
if self.syntax == "css":
raw = unicode(self.toPlainText())
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(line - 1)
elif sourceline_address is not None:
sourceline, tags = sourceline_address
if self.goto_sourceline(sourceline, tags):
c = self.textCursor()
c.setPosition(c.position() + 1)
self.setTextCursor(c)
raw = self.get_tag_contents()
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(c.blockNumber() + line - 1)
if block is not None and block.isValid():
c = self.textCursor()
c.setPosition(block.position() + col)
self.setTextCursor(c)
def change_case(self, action, cursor=None):
cursor = cursor or self.textCursor()
text = self.selected_text_from_cursor(cursor)
text = {"lower": lower, "upper": upper, "capitalize": capitalize, "title": titlecase, "swap": swapcase}[action](
text
)
cursor.insertText(text)
self.setTextCursor(cursor)
class TextEdit(PlainTextEdit):
link_clicked = pyqtSignal(object)
smart_highlighting_updated = pyqtSignal()
def __init__(self, parent=None, expected_geometry=(100, 50)):
PlainTextEdit.__init__(self, parent)
self.snippet_manager = SnippetManager(self)
self.completion_popup = CompletionPopup(self)
self.request_completion = self.completion_doc_name = None
self.clear_completion_cache_timer = t = QTimer(self)
t.setInterval(5000), t.timeout.connect(
self.clear_completion_cache), t.setSingleShot(True)
self.textChanged.connect(t.start)
self.last_completion_request = -1
self.gutter_width = 0
self.tw = 2
self.expected_geometry = expected_geometry
self.saved_matches = {}
self.syntax = None
self.smarts = NullSmarts(self)
self.current_cursor_line = None
self.current_search_mark = None
self.smarts_highlight_timer = t = QTimer()
t.setInterval(750), t.setSingleShot(True), t.timeout.connect(
self.update_extra_selections)
self.highlighter = SyntaxHighlighter()
self.line_number_area = LineNumbers(self)
self.apply_settings()
self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.updateRequest.connect(self.update_line_number_area)
def get_droppable_files(self, md):
def is_mt_ok(mt):
return self.syntax == 'html' and (mt in OEB_DOCS
or mt in OEB_STYLES
or mt.startswith('image/'))
if md.hasFormat(CONTAINER_DND_MIMETYPE):
for line in bytes(md.data(CONTAINER_DND_MIMETYPE)).decode(
'utf-8').splitlines():
mt = current_container().mime_map.get(
line, 'application/octet-stream')
if is_mt_ok(mt):
yield line, mt, True
return
for qurl in md.urls():
if qurl.isLocalFile() and os.access(qurl.toLocalFile(), os.R_OK):
path = qurl.toLocalFile()
mt = guess_type(path)
if is_mt_ok(mt):
yield path, mt, False
def canInsertFromMimeData(self, md):
if md.hasText() or (md.hasHtml()
and self.syntax == 'html') or md.hasImage():
return True
elif tuple(self.get_droppable_files(md)):
return True
return False
def insertFromMimeData(self, md):
files = tuple(self.get_droppable_files(md))
base = self.highlighter.doc_name or None
def get_name(name):
return get_recommended_folders(current_container(),
(name, ))[name] + '/' + name
def get_href(name):
return current_container().name_to_href(name, base)
def insert_text(text):
c = self.textCursor()
c.insertText(text)
self.setTextCursor(c)
def add_file(name, data, mt=None):
from calibre.gui2.tweak_book.boss import get_boss
name = current_container().add_file(name,
data,
media_type=mt,
modify_name_if_needed=True)
get_boss().refresh_file_list()
return name
if files:
for path, mt, is_name in files:
if is_name:
name = path
else:
name = get_name(os.path.basename(path))
with lopen(path, 'rb') as f:
name = add_file(name, f.read(), mt)
href = get_href(name)
if mt.startswith('image/'):
self.insert_image(href)
elif mt in OEB_STYLES:
insert_text(
'<link href="{}" rel="stylesheet" type="text/css"/>'.
format(href))
elif mt in OEB_DOCS:
self.insert_hyperlink(href, name)
return
if md.hasImage():
img = md.imageData()
if img.isValid():
data = image_to_data(img, fmt='PNG')
name = add_file(get_name('dropped_image.png', data))
self.insert_image(get_href(name))
return
if md.hasHtml():
insert_text(md.html())
return
if md.hasText():
return insert_text(md.text())
@dynamic_property
def is_modified(self):
''' True if the document has been modified since it was loaded or since
the last time is_modified was set to False. '''
def fget(self):
return self.document().isModified()
def fset(self, val):
self.document().setModified(bool(val))
return property(fget=fget, fset=fset)
def sizeHint(self):
return self.size_hint
def apply_settings(self, prefs=None, dictionaries_changed=False): # {{{
prefs = prefs or tprefs
self.setAcceptDrops(prefs.get('editor_accepts_drops', True))
self.setLineWrapMode(
QPlainTextEdit.WidgetWidth
if prefs['editor_line_wrap'] else QPlainTextEdit.NoWrap)
theme = get_theme(prefs['editor_theme'])
self.apply_theme(theme)
w = self.fontMetrics()
self.space_width = w.width(' ')
self.tw = self.smarts.override_tab_stop_width if self.smarts.override_tab_stop_width is not None else prefs[
'editor_tab_stop_width']
self.setTabStopWidth(self.tw * self.space_width)
if dictionaries_changed:
self.highlighter.rehighlight()
def apply_theme(self, theme):
self.theme = theme
pal = self.palette()
pal.setColor(pal.Base, theme_color(theme, 'Normal', 'bg'))
pal.setColor(pal.AlternateBase, theme_color(theme, 'CursorLine', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'Normal', 'fg'))
pal.setColor(pal.Highlight, theme_color(theme, 'Visual', 'bg'))
pal.setColor(pal.HighlightedText, theme_color(theme, 'Visual', 'fg'))
self.setPalette(pal)
self.tooltip_palette = pal = QPalette()
pal.setColor(pal.ToolTipBase, theme_color(theme, 'Tooltip', 'bg'))
pal.setColor(pal.ToolTipText, theme_color(theme, 'Tooltip', 'fg'))
self.line_number_palette = pal = QPalette()
pal.setColor(pal.Base, theme_color(theme, 'LineNr', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'LineNr', 'fg'))
pal.setColor(pal.BrightText, theme_color(theme, 'LineNrC', 'fg'))
self.match_paren_format = theme_format(theme, 'MatchParen')
font = self.font()
ff = tprefs['editor_font_family']
if ff is None:
ff = default_font_family()
font.setFamily(ff)
font.setPointSize(tprefs['editor_font_size'])
self.tooltip_font = QFont(font)
self.tooltip_font.setPointSize(font.pointSize() - 1)
self.setFont(font)
self.highlighter.apply_theme(theme)
w = self.fontMetrics()
self.number_width = max(map(lambda x: w.width(str(x)), xrange(10)))
self.size_hint = QSize(
self.expected_geometry[0] * w.averageCharWidth(),
self.expected_geometry[1] * w.height())
self.highlight_color = theme_color(theme, 'HighlightRegion', 'bg')
self.highlight_cursor_line()
self.completion_popup.clear_caches(), self.completion_popup.update()
# }}}
def load_text(self,
text,
syntax='html',
process_template=False,
doc_name=None):
self.syntax = syntax
self.highlighter = get_highlighter(syntax)()
self.highlighter.apply_theme(self.theme)
self.highlighter.set_document(self.document(), doc_name=doc_name)
sclass = get_smarts(syntax)
if sclass is not None:
self.smarts = sclass(self)
if self.smarts.override_tab_stop_width is not None:
self.tw = self.smarts.override_tab_stop_width
self.setTabStopWidth(self.tw * self.space_width)
self.setPlainText(unicodedata.normalize('NFC', unicode(text)))
if process_template and QPlainTextEdit.find(self, '%CURSOR%'):
c = self.textCursor()
c.insertText('')
def change_document_name(self, newname):
self.highlighter.doc_name = newname
self.highlighter.rehighlight(
) # Ensure links are checked w.r.t. the new name correctly
def replace_text(self, text):
c = self.textCursor()
pos = c.position()
c.beginEditBlock()
c.clearSelection()
c.select(c.Document)
c.insertText(unicodedata.normalize('NFC', text))
c.endEditBlock()
c.setPosition(min(pos, len(text)))
self.setTextCursor(c)
self.ensureCursorVisible()
def simple_replace(self, text, cursor=None):
c = cursor or self.textCursor()
c.insertText(unicodedata.normalize('NFC', text))
self.setTextCursor(c)
def go_to_line(self, lnum, col=None):
lnum = max(1, min(self.blockCount(), lnum))
c = self.textCursor()
c.clearSelection()
c.movePosition(c.Start)
c.movePosition(c.NextBlock, n=lnum - 1)
c.movePosition(c.StartOfLine)
c.movePosition(c.EndOfLine, c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
if col is None:
c.movePosition(c.StartOfLine)
lt = text.lstrip()
if text and lt and lt != text:
c.movePosition(c.NextWord)
else:
c.setPosition(c.block().position() + col)
if c.blockNumber() + 1 > lnum:
# We have moved past the end of the line
c.setPosition(c.block().position())
c.movePosition(c.EndOfBlock)
self.setTextCursor(c)
self.ensureCursorVisible()
def update_extra_selections(self, instant=True):
sel = []
if self.current_cursor_line is not None:
sel.append(self.current_cursor_line)
if self.current_search_mark is not None:
sel.append(self.current_search_mark)
if instant and not self.highlighter.has_requests and self.smarts is not None:
sel.extend(self.smarts.get_extra_selections(self))
self.smart_highlighting_updated.emit()
else:
self.smarts_highlight_timer.start()
self.setExtraSelections(sel)
# Search and replace {{{
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def find_in_marked(self, pat, wrap=False, save_match=None):
if self.current_search_mark is None:
return False
csm = self.current_search_mark.cursor
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
m_start = min(csm.position(), csm.anchor())
m_end = max(csm.position(), csm.anchor())
if c.position() < m_start:
c.setPosition(m_start)
if c.position() > m_end:
c.setPosition(m_end)
pos = m_start if reverse else m_end
if wrap:
pos = m_end if reverse else m_start
c.setPosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
start, end = m_start + start, m_start + end
else:
if reverse:
start, end = m_start + end, m_start + start
else:
start, end = c.anchor() + start, c.anchor() + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def all_in_marked(self, pat, template=None):
if self.current_search_mark is None:
return 0
c = self.current_search_mark.cursor
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
if template is None:
count = len(pat.findall(raw))
else:
from calibre.gui2.tweak_book.function_replace import Function
repl_is_func = isinstance(template, Function)
if repl_is_func:
template.init_env()
raw, count = pat.subn(template, raw)
if repl_is_func:
from calibre.gui2.tweak_book.search import show_function_debug_output
if getattr(template.func, 'append_final_output_to_marked',
False):
retval = template.end()
if retval:
raw += unicode(retval)
else:
template.end()
show_function_debug_output(template)
if count > 0:
start_pos = min(c.anchor(), c.position())
c.insertText(raw)
end_pos = max(c.anchor(), c.position())
c.setPosition(start_pos), c.setPosition(end_pos, c.KeepAnchor)
self.update_extra_selections()
return count
def smart_comment(self):
from calibre.gui2.tweak_book.editor.comments import smart_comment
smart_comment(self, self.syntax)
def sort_css(self):
from calibre.gui2.dialogs.confirm_delete import confirm
if confirm(_(
'Sorting CSS rules can in rare cases change the effective styles applied to the book.'
' Are you sure you want to proceed?'),
'edit-book-confirm-sort-css',
parent=self,
config_set=tprefs):
c = self.textCursor()
c.beginEditBlock()
c.movePosition(c.Start), c.movePosition(c.End, c.KeepAnchor)
text = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
from calibre.ebooks.oeb.polish.css import sort_sheet
text = sort_sheet(current_container(), text).cssText
c.insertText(text)
c.movePosition(c.Start)
c.endEditBlock()
self.setTextCursor(c)
def find(self,
pat,
wrap=False,
marked=False,
complete=False,
save_match=None):
if marked:
return self.find_in_marked(pat, wrap=wrap, save_match=save_match)
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap and not complete:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
if reverse:
# Put the cursor at the start of the match
start, end = end, start
else:
textpos = c.anchor()
start, end = textpos + start, textpos + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def find_text(self, pat, wrap=False, complete=False):
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
if hasattr(self.smarts, 'find_text'):
self.highlighter.join()
found, start, end = self.smarts.find_text(pat, c)
if not found:
return False
else:
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if reverse:
start, end = end, start
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
return True
def find_spell_word(self,
original_words,
lang,
from_cursor=True,
center_on_cursor=True):
c = self.textCursor()
c.setPosition(c.position())
if not from_cursor:
c.movePosition(c.Start)
c.movePosition(c.End, c.KeepAnchor)
def find_first_word(haystack):
match_pos, match_word = -1, None
for w in original_words:
idx = index_of(w, haystack, lang=lang)
if idx > -1 and (match_pos == -1 or match_pos > idx):
match_pos, match_word = idx, w
return match_pos, match_word
while True:
text = unicode(c.selectedText()).rstrip('\0')
idx, word = find_first_word(text)
if idx == -1:
return False
c.setPosition(c.anchor() + idx)
c.setPosition(c.position() + string_length(word), c.KeepAnchor)
if self.smarts.verify_for_spellcheck(c, self.highlighter):
self.highlighter.join() # Ensure highlighting is finished
locale = self.spellcheck_locale_for_cursor(c)
if not lang or not locale or (locale
and lang == locale.langcode):
self.setTextCursor(c)
if center_on_cursor:
self.centerCursor()
return True
c.setPosition(c.position())
c.movePosition(c.End, c.KeepAnchor)
return False
def find_next_spell_error(self, from_cursor=True):
c = self.textCursor()
if not from_cursor:
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY):
if not from_cursor or block.position(
) + r.start + r.length > c.position():
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
self.setTextCursor(c)
return True
block = block.next()
return False
def replace(self, pat, template, saved_match='gui'):
c = self.textCursor()
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR,
'\n').rstrip('\0')
m = pat.fullmatch(raw)
if m is None:
# This can happen if either the user changed the selected text or
# the search expression uses lookahead/lookbehind operators. See if
# the saved match matches the currently selected text and
# use it, if so.
if saved_match is not None and saved_match in self.saved_matches:
saved_pat, saved = self.saved_matches.pop(saved_match)
if saved_pat == pat and saved.group() == raw:
m = saved
if m is None:
return False
if callable(template):
text = template(m)
else:
text = m.expand(template)
c.insertText(text)
return True
def go_to_anchor(self, anchor):
if anchor is TOP:
c = self.textCursor()
c.movePosition(c.Start)
self.setTextCursor(c)
return True
base = r'''%%s\s*=\s*['"]{0,1}%s''' % regex.escape(anchor)
raw = unicode(self.toPlainText())
m = regex.search(base % 'id', raw)
if m is None:
m = regex.search(base % 'name', raw)
if m is not None:
c = self.textCursor()
c.setPosition(m.start())
self.setTextCursor(c)
return True
return False
# }}}
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(0, self.last_current_lnum[0],
self.line_number_area.width(),
self.last_current_lnum[1])
except AttributeError:
pass
block = self.textCursor().block()
top = int(
self.blockBoundingGeometry(block).translated(
self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(),
height)
def update_line_number_area_width(self, block_count=0):
self.gutter_width = self.line_number_area_width()
self.setViewportMargins(self.gutter_width, 0, 0, 0)
def line_number_area_width(self):
digits = 1
limit = max(1, self.blockCount())
while limit >= 10:
limit /= 10
digits += 1
return 8 + self.number_width * digits
def update_line_number_area(self, rect, dy):
if dy:
self.line_number_area.scroll(0, dy)
else:
self.line_number_area.update(0, rect.y(),
self.line_number_area.width(),
rect.height())
if rect.contains(self.viewport().rect()):
self.update_line_number_area_width()
def resizeEvent(self, ev):
QPlainTextEdit.resizeEvent(self, ev)
cr = self.contentsRect()
self.line_number_area.setGeometry(
QRect(cr.left(), cr.top(), self.line_number_area_width(),
cr.height()))
def paint_line_numbers(self, ev):
painter = QPainter(self.line_number_area)
painter.fillRect(ev.rect(),
self.line_number_palette.color(QPalette.Base))
block = self.firstVisibleBlock()
num = block.blockNumber()
top = int(
self.blockBoundingGeometry(block).translated(
self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
current = self.textCursor().block().blockNumber()
painter.setPen(self.line_number_palette.color(QPalette.Text))
while block.isValid() and top <= ev.rect().bottom():
if block.isVisible() and bottom >= ev.rect().top():
if current == num:
painter.save()
painter.setPen(
self.line_number_palette.color(QPalette.BrightText))
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
self.last_current_lnum = (top, bottom - top)
painter.drawText(0, top,
self.line_number_area.width() - 5,
self.fontMetrics().height(), Qt.AlignRight,
str(num + 1))
if current == num:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())
num += 1
# }}}
def override_shortcut(self, ev):
# Let the global cut/copy/paste/undo/redo shortcuts work, this avoids the nbsp
# problem as well, since they use the overridden copy() method
# instead of the one from Qt, and allows proper customization
# of the shortcuts
if ev in (QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste,
QKeySequence.Undo, QKeySequence.Redo):
ev.ignore()
return True
# This is used to convert typed hex codes into unicode
# characters
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
ev.accept()
return True
return PlainTextEdit.override_shortcut(self, ev)
def text_for_range(self, block, r):
c = self.textCursor()
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
return unicode(c.selectedText())
def spellcheck_locale_for_cursor(self, c):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for r in formats:
if r.start <= pos <= r.start + r.length and r.format.property(
SPELL_PROPERTY):
return r.format.property(SPELL_LOCALE_PROPERTY)
def recheck_word(self, word, locale):
c = self.textCursor()
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY) and self.text_for_range(
block, r) == word:
self.highlighter.reformat_block(block)
break
block = block.next()
# Tooltips {{{
def syntax_range_for_cursor(self, cursor):
if cursor.isNull():
return
pos = cursor.positionInBlock()
for r in cursor.block().layout().additionalFormats():
if r.start <= pos <= r.start + r.length and r.format.property(
SYNTAX_PROPERTY):
return r
def syntax_format_for_cursor(self, cursor):
return getattr(self.syntax_range_for_cursor(cursor), 'format', None)
def show_tooltip(self, ev):
c = self.cursorForPosition(ev.pos())
fmt = self.syntax_format_for_cursor(c)
if fmt is not None:
tt = unicode(fmt.toolTip())
if tt:
QToolTip.setFont(self.tooltip_font)
QToolTip.setPalette(self.tooltip_palette)
QToolTip.showText(ev.globalPos(), textwrap.fill(tt))
return
QToolTip.hideText()
ev.ignore()
# }}}
def link_for_position(self, pos):
c = self.cursorForPosition(pos)
r = self.syntax_range_for_cursor(c)
if r is not None and r.format.property(LINK_PROPERTY):
return self.text_for_range(c.block(), r)
def mousePressEvent(self, ev):
if self.completion_popup.isVisible(
) and not self.completion_popup.rect().contains(ev.pos()):
# For some reason using eventFilter for this does not work, so we
# implement it here
self.completion_popup.abort()
if ev.modifiers() & Qt.CTRL:
url = self.link_for_position(ev.pos())
if url is not None:
ev.accept()
self.link_clicked.emit(url)
return
return PlainTextEdit.mousePressEvent(self, ev)
def get_range_inside_tag(self):
c = self.textCursor()
left = min(c.anchor(), c.position())
right = max(c.anchor(), c.position())
# For speed we use QPlainTextEdit's toPlainText as we dont care about
# spaces in this context
raw = unicode(QPlainTextEdit.toPlainText(self))
# Make sure the left edge is not within a <>
gtpos = raw.find('>', left)
ltpos = raw.find('<', left)
if gtpos < ltpos:
left = gtpos + 1 if gtpos > -1 else left
right = max(left, right)
if right != left:
gtpos = raw.find('>', right)
ltpos = raw.find('<', right)
if ltpos > gtpos:
ltpos = raw.rfind('<', left, right + 1)
right = max(ltpos, left)
return left, right
def format_text(self, formatting):
if self.syntax != 'html':
return
if formatting.startswith('justify_'):
return self.smarts.set_text_alignment(
self,
formatting.partition('_')[-1])
color = 'currentColor'
if formatting in {'color', 'background-color'}:
color = QColorDialog.getColor(
QColor(Qt.black if formatting == 'color' else Qt.white), self,
_('Choose color'), QColorDialog.ShowAlphaChannel)
if not color.isValid():
return
r, g, b, a = color.getRgb()
if a == 255:
color = 'rgb(%d, %d, %d)' % (r, g, b)
else:
color = 'rgba(%d, %d, %d, %.2g)' % (r, g, b, a / 255)
prefix, suffix = {
'bold': ('<b>', '</b>'),
'italic': ('<i>', '</i>'),
'underline': ('<u>', '</u>'),
'strikethrough': ('<strike>', '</strike>'),
'superscript': ('<sup>', '</sup>'),
'subscript': ('<sub>', '</sub>'),
'color': ('<span style="color: %s">' % color, '</span>'),
'background-color':
('<span style="background-color: %s">' % color, '</span>'),
}[formatting]
left, right = self.get_range_inside_tag()
c = self.textCursor()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
prev_text = unicode(c.selectedText()).rstrip('\0')
c.insertText(prefix + prev_text + suffix)
if prev_text:
right = c.position()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
else:
c.setPosition(c.position() - len(suffix))
self.setTextCursor(c)
def insert_image(self, href, fullpage=False, preserve_aspect_ratio=False):
c = self.textCursor()
template, alt = 'url(%s)', ''
left = min(c.position(), c.anchor)
if self.syntax == 'html':
left, right = self.get_range_inside_tag()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
href = prepare_string_for_xml(href, True)
if fullpage:
template = '''\
<div style="page-break-before:always; page-break-after:always; page-break-inside:avoid">\
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" \
version="1.1" width="100%%" height="100%%" viewBox="0 0 1200 1600" preserveAspectRatio="{}">\
<image width="1200" height="1600" xlink:href="%s"/>\
</svg></div>'''.format('xMidYMid meet' if preserve_aspect_ratio else 'none')
else:
alt = _('Image')
template = '<img alt="{0}" src="%s" />'.format(alt)
text = template % href
c.insertText(text)
if self.syntax == 'html' and not fullpage:
c.setPosition(left + 10)
c.setPosition(c.position() + len(alt), c.KeepAnchor)
else:
c.setPosition(left)
c.setPosition(left + len(text), c.KeepAnchor)
self.setTextCursor(c)
def insert_hyperlink(self, target, text):
if hasattr(self.smarts, 'insert_hyperlink'):
self.smarts.insert_hyperlink(self, target, text)
def insert_tag(self, tag):
if hasattr(self.smarts, 'insert_tag'):
self.smarts.insert_tag(self, tag)
def keyPressEvent(self, ev):
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
if self.replace_possible_unicode_sequence():
ev.accept()
return
if ev.key() == Qt.Key_Insert:
self.setOverwriteMode(self.overwriteMode() ^ True)
ev.accept()
return
if self.snippet_manager.handle_key_press(ev):
self.completion_popup.hide()
return
if self.smarts.handle_key_press(ev, self):
self.handle_keypress_completion(ev)
return
QPlainTextEdit.keyPressEvent(self, ev)
self.handle_keypress_completion(ev)
def handle_keypress_completion(self, ev):
if self.request_completion is None:
return
code = ev.key()
if code in (0, Qt.Key_unknown, Qt.Key_Shift, Qt.Key_Control,
Qt.Key_Alt, Qt.Key_Meta, Qt.Key_AltGr, Qt.Key_CapsLock,
Qt.Key_NumLock, Qt.Key_ScrollLock, Qt.Key_Up, Qt.Key_Down):
# We ignore up/down arrow so as to not break scrolling through the
# text with the arrow keys
return
result = self.smarts.get_completion_data(self, ev)
if result is None:
self.last_completion_request += 1
else:
self.last_completion_request = self.request_completion(*result)
self.completion_popup.mark_completion(
self, None if result is None else result[-1])
def handle_completion_result(self, result):
if result.request_id[0] >= self.last_completion_request:
self.completion_popup.handle_result(result)
def clear_completion_cache(self):
if self.request_completion is not None and self.completion_doc_name:
self.request_completion(None, 'file:' + self.completion_doc_name)
def replace_possible_unicode_sequence(self):
c = self.textCursor()
has_selection = c.hasSelection()
if has_selection:
text = unicode(c.selectedText()).rstrip('\0')
else:
c.setPosition(c.position() - min(c.positionInBlock(), 6),
c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
m = re.search(r'[a-fA-F0-9]{2,6}$', text)
if m is None:
return False
text = m.group()
try:
num = int(text, 16)
except ValueError:
return False
if num > 0x10ffff or num < 1:
return False
end_pos = max(c.anchor(), c.position())
c.setPosition(end_pos - len(text)), c.setPosition(
end_pos, c.KeepAnchor)
c.insertText(safe_chr(num))
return True
def select_all(self):
c = self.textCursor()
c.clearSelection()
c.setPosition(0)
c.movePosition(c.End, c.KeepAnchor)
self.setTextCursor(c)
def rename_block_tag(self, new_name):
if hasattr(self.smarts, 'rename_block_tag'):
self.smarts.rename_block_tag(self, new_name)
def current_tag(self, for_position_sync=True):
return self.smarts.cursor_position_with_sourceline(
self.textCursor(), for_position_sync=for_position_sync)
def goto_sourceline(self, sourceline, tags, attribute=None):
return self.smarts.goto_sourceline(self,
sourceline,
tags,
attribute=attribute)
def get_tag_contents(self):
c = self.smarts.get_inner_HTML(self)
if c is not None:
return self.selected_text_from_cursor(c)
def goto_css_rule(self, rule_address, sourceline_address=None):
from calibre.gui2.tweak_book.editor.smarts.css import find_rule
block = None
if self.syntax == 'css':
raw = unicode(self.toPlainText())
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(line - 1)
elif sourceline_address is not None:
sourceline, tags = sourceline_address
if self.goto_sourceline(sourceline, tags):
c = self.textCursor()
c.setPosition(c.position() + 1)
self.setTextCursor(c)
raw = self.get_tag_contents()
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(c.blockNumber() +
line - 1)
if block is not None and block.isValid():
c = self.textCursor()
c.setPosition(block.position() + col)
self.setTextCursor(c)
def change_case(self, action, cursor=None):
cursor = cursor or self.textCursor()
text = self.selected_text_from_cursor(cursor)
text = {
'lower': lower,
'upper': upper,
'capitalize': capitalize,
'title': titlecase,
'swap': swapcase
}[action](text)
cursor.insertText(text)
self.setTextCursor(cursor)
def __init__(self, mygui, myguidb, mymainprefs, myparam_dict, myuiexit,
mysavedialoggeometry):
super(LibraryCodesTab, self).__init__()
#-----------------------------------------------------
#-----------------------------------------------------
self.gui = mygui
#-----------------------------------------------------
#-----------------------------------------------------
self.guidb = myguidb
#-----------------------------------------------------
#-----------------------------------------------------
self.lib_path = self.gui.library_view.model().db.library_path
#-----------------------------------------------------
#-----------------------------------------------------
self.mytabprefs = mymainprefs
#-----------------------------------------------------
#-----------------------------------------------------
self.param_dict = myparam_dict
#-----------------------------------------------------
#-----------------------------------------------------
self.ui_exit = myuiexit
#-----------------------------------------------------
#-----------------------------------------------------
self.save_dialog_geometry = mysavedialoggeometry
#-----------------------------------------------------
#-----------------------------------------------------
font = QFont()
font.setBold(False)
font.setPointSize(10)
#-----------------------------------------------------
self.layout_top = QVBoxLayout()
self.layout_top.setSpacing(0)
self.layout_top.setAlignment(Qt.AlignLeft)
self.setLayout(self.layout_top)
#-----------------------------------------------------
self.scroll_area_frame = QScrollArea()
self.scroll_area_frame.setAlignment(Qt.AlignLeft)
self.scroll_area_frame.setWidgetResizable(True)
self.scroll_area_frame.ensureVisible(400, 400)
self.layout_top.addWidget(
self.scroll_area_frame
) # the scroll area is now the child of the parent of self.layout_top
# NOTE: the self.scroll_area_frame.setWidget(self.scroll_widget) is at the end of the init() AFTER all children have been created and assigned to a layout...
#-----------------------------------------------------
self.scroll_widget = QWidget()
self.layout_top.addWidget(
self.scroll_widget
) # causes automatic reparenting of QWidget to the parent of self.layout_top, which is: self .
#-----------------------------------------------------
self.layout_frame = QVBoxLayout()
self.layout_frame.setSpacing(0)
self.layout_frame.setAlignment(Qt.AlignLeft)
self.scroll_widget.setLayout(
self.layout_frame
) # causes automatic reparenting of any widget later added to self.layout_frame to the parent of self.layout_frame, which is: QWidget .
#-----------------------------------------------------
self.lc_groupbox = QGroupBox('Settings:')
self.lc_groupbox.setMaximumWidth(400)
self.lc_groupbox.setToolTip(
"<p style='white-space:wrap'>The settings that control 'Library Codes'. Using only ISBN or ISSN or Author/Title, Library Codes for selected books will be derived using the Current Settings."
)
self.layout_frame.addWidget(self.lc_groupbox)
self.lc_layout = QGridLayout()
self.lc_groupbox.setLayout(self.lc_layout)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.spacing0 = QLabel()
self.layout_frame.addWidget(self.spacing0)
self.spacing0.setMaximumHeight(20)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.button_box = QDialogButtonBox()
self.button_box.setOrientation(Qt.Horizontal)
self.button_box.setCenterButtons(True)
self.layout_frame.addWidget(self.button_box)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.push_button_save_only = QPushButton("Save")
self.push_button_save_only.clicked.connect(self.save_settings)
self.push_button_save_only.setDefault(True)
self.push_button_save_only.setFont(font)
self.push_button_save_only.setToolTip(
"<p style='white-space:wrap'>Save all user settings.")
self.button_box.addButton(self.push_button_save_only, 0)
self.push_button_exit_only = QPushButton("Exit")
self.push_button_exit_only.clicked.connect(self.exit_only)
self.push_button_exit_only.setDefault(False)
self.push_button_exit_only.setFont(font)
self.push_button_exit_only.setToolTip(
"<p style='white-space:wrap'>Exit immediately without saving anything."
)
self.button_box.addButton(self.push_button_exit_only, 0)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
r = 4
self.ddc_labelname = QLineEdit(self)
self.ddc_labelname.setText(self.mytabprefs['DDC'])
self.ddc_labelname.setFont(font)
self.ddc_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for DDC.<br><br>See: https://www.oclc.org/dewey/features/summaries.en.html"
)
self.ddc_labelname.setMaximumWidth(100)
self.lc_layout.addWidget(self.ddc_labelname, r, 0)
self.ddc_activate_checkbox = QCheckBox(
"Activate 'Dewey Decimal Code' Classification?")
self.ddc_activate_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to derive DDC?")
r = r + 1
self.lc_layout.addWidget(self.ddc_activate_checkbox, r, 0)
if prefs['DDC_IS_ACTIVE'] == unicode_type(S_TRUE):
self.ddc_activate_checkbox.setChecked(True)
else:
self.ddc_activate_checkbox.setChecked(False)
#-----------------------------------------------------
self.spacing1 = QLabel()
r = r + 1
self.lc_layout.addWidget(self.spacing1, r, 0)
self.spacing1.setMaximumHeight(10)
#-----------------------------------------------------
self.lcc_labelname = QLineEdit(self)
self.lcc_labelname.setText(self.mytabprefs['LCC'])
self.lcc_labelname.setFont(font)
self.lcc_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for LCC.<br><br>See: http://www.loc.gov/catdir/cpso/lcco/ "
)
self.lcc_labelname.setMaximumWidth(100)
r = r + 4
self.lc_layout.addWidget(self.lcc_labelname, r, 0)
self.lcc_activate_checkbox = QCheckBox(
"Activate 'Library of Congress Code' Classification?")
self.lcc_activate_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to derive LCC?")
r = r + 1
self.lc_layout.addWidget(self.lcc_activate_checkbox, r, 0)
if prefs['LCC_IS_ACTIVE'] == unicode_type(S_TRUE):
self.lcc_activate_checkbox.setChecked(True)
else:
self.lcc_activate_checkbox.setChecked(False)
#-----------------------------------------------------
self.spacing2 = QLabel("")
r = r + 1
self.lc_layout.addWidget(self.spacing2, r, 0)
self.spacing2.setMaximumHeight(10)
#-----------------------------------------------------
self.fast_labelname = QLineEdit(self)
self.fast_labelname.setText(self.mytabprefs['FAST'])
self.fast_labelname.setFont(font)
self.fast_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for FAST Tag Values. "
)
self.fast_labelname.setMinimumWidth(100)
self.fast_labelname.setMaximumWidth(100)
r = r + 4
self.lc_layout.addWidget(self.fast_labelname, r, 0)
self.fast_activate_checkbox = QCheckBox("Activate 'FAST' Tags?")
self.fast_activate_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to derive FAST Tags?\
<br><br>Text. Behaves like Tags. Not Names.<br><br>"
)
r = r + 1
self.lc_layout.addWidget(self.fast_activate_checkbox, r, 0)
if prefs['FAST_IS_ACTIVE'] == unicode_type(S_TRUE):
self.fast_activate_checkbox.setChecked(True)
else:
self.fast_activate_checkbox.setChecked(False)
#-----------------------------------------------------
self.spacing6 = QLabel("")
r = r + 1
self.lc_layout.addWidget(self.spacing6, r, 0)
self.spacing6.setMaximumHeight(10)
#-----------------------------------------------------
self.oclc_labelname = QLineEdit(self)
self.oclc_labelname.setText(self.mytabprefs['OCLC'])
self.oclc_labelname.setFont(font)
self.oclc_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for OCLC-OWI.<br><br>See: #http://classify.oclc.org/classify2/ "
)
self.oclc_labelname.setMaximumWidth(100)
r = r + 4
self.lc_layout.addWidget(self.oclc_labelname, r, 0)
self.oclc_activate_checkbox = QCheckBox(
"Activate 'Online Computer Library Center' Work ID Code?")
self.oclc_activate_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to derive OCLC-OWI?")
r = r + 1
self.lc_layout.addWidget(self.oclc_activate_checkbox, r, 0)
if self.mytabprefs['OCLC_IS_ACTIVE'] == unicode_type(S_TRUE):
self.oclc_activate_checkbox.setChecked(True)
else:
self.oclc_activate_checkbox.setChecked(False)
#-----------------------------------------------------
self.spacing5 = QLabel("")
r = r + 1
self.lc_layout.addWidget(self.spacing5, r, 0)
self.spacing5.setMaximumHeight(10)
#-----------------------------------------------------
self.lc_author_details_labelname = QLineEdit(self)
self.lc_author_details_labelname.setText(
self.mytabprefs['EXTRA_AUTHOR_DETAILS'])
self.lc_author_details_labelname.setFont(font)
self.lc_author_details_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for 'LC Extra Author Details'.\
<br><br>Text. Behaves like Tags. Not Names.<br><br>"
)
self.lc_author_details_labelname.setMaximumWidth(100)
r = r + 4
self.lc_layout.addWidget(self.lc_author_details_labelname, r, 0)
self.lc_author_details_checkbox = QCheckBox(
"Activate 'Library Codes Extra Author Details'?")
self.lc_author_details_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to add (never delete or replace) any available Tag-like values to this Custom Column if they are associated with the OCLC-OWI Identifier?"
)
r = r + 1
self.lc_layout.addWidget(self.lc_author_details_checkbox, r, 0)
if self.mytabprefs['EXTRA_AUTHOR_DETAILS_IS_ACTIVE'] == unicode_type(
S_TRUE):
self.lc_author_details_checkbox.setChecked(True)
else:
self.lc_author_details_checkbox.setChecked(False)
#-----------------------------------------------------
#-----------------------------------------------------
self.spacing4 = QLabel()
r = r + 1
self.lc_layout.addWidget(self.spacing4, r, 0)
self.spacing4.setMaximumHeight(10)
#-----------------------------------------------------
font.setBold(False)
font.setPointSize(7)
#-----------------------------------------------------
self.push_button_autoadd_custom_columns = QPushButton(
"Automatically Add Activated Custom Columns?")
self.push_button_autoadd_custom_columns.clicked.connect(
self.autoadd_custom_columns)
self.push_button_autoadd_custom_columns.setDefault(False)
self.push_button_autoadd_custom_columns.setFont(font)
self.push_button_autoadd_custom_columns.setToolTip(
"<p style='white-space:wrap'>Do you want to automatically add the Custom Columns selected above?<br><br>If you have any issues, please add them manually."
)
r = r + 4
self.lc_layout.addWidget(self.push_button_autoadd_custom_columns, r, 0)
self.push_button_autoadd_custom_columns.setMaximumWidth(250)
#-----------------------------------------------------
self.lc_custom_columns_generation_label = QLabel()
r = r + 1
self.lc_layout.addWidget(self.lc_custom_columns_generation_label, r, 0)
self.lc_custom_columns_generation_label.setText(
" ")
self.lc_custom_columns_generation_label.setMaximumHeight(10)
self.lc_custom_columns_generation_label.setFont(font)
self.oclc_identifier_only_checkbox = QCheckBox(
"Always Create OCLC-OWI as an 'Identifier' (à la ISBN)?")
self.oclc_identifier_only_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want to update Calibre's Identifiers for an Identifier of 'OCLC-OWI',\
regardless of whether you want its own Custom Column updated?\
<br><br>REQUIRED to derive DDC/LCC using Author/Title."
)
r = r + 2
self.lc_layout.addWidget(self.oclc_identifier_only_checkbox, r, 0)
if prefs['OCLC_IDENTIFIER'] == unicode_type(S_TRUE):
self.oclc_identifier_only_checkbox.setChecked(True)
else:
self.oclc_identifier_only_checkbox.setChecked(False)
#-----------------------------------------------------
self.spacing3 = QLabel("")
r = r + 1
self.lc_layout.addWidget(self.spacing3, r, 0)
self.spacing3.setMaximumHeight(10)
#-----------------------------------------------------
font.setBold(False)
font.setPointSize(10)
#-----------------------------------------------------
self.lc_genre_labelname = QLineEdit(self)
self.lc_genre_labelname.setText(self.mytabprefs['GENRE'])
self.lc_genre_labelname.setFont(font)
self.lc_genre_labelname.setToolTip(
"<p style='white-space:wrap'>Custom Column Search/Lookup #name for 'Genre'.\
<br><br>Text. Behaves like Tags.<br><br>"
)
self.lc_genre_labelname.setMaximumWidth(100)
r = r + 1
self.lc_layout.addWidget(self.lc_genre_labelname, r, 0)
self.lc_checkbox_buttongroup = QButtonGroup()
self.lc_checkbox_buttongroup.setExclusive(True)
self.lc_genre_ddc_checkbox = QCheckBox(
"Update 'Genre' using DDC-to-Genre Mappings?")
self.lc_genre_ddc_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want LC to update 'Genre' using the DDC-to-Genre mapping in Table _lc_genre_mapping?"
)
r = r + 1
self.lc_layout.addWidget(self.lc_genre_ddc_checkbox, r, 0)
self.lc_genre_lcc_checkbox = QCheckBox(
"Update 'Genre' using LCC-to-Genre Mappings?")
self.lc_genre_lcc_checkbox.setToolTip(
"<p style='white-space:wrap'>Do you want LC to update 'Genre' using the LCC-to-Genre mapping in Table _lc_genre_mapping?"
)
r = r + 1
self.lc_layout.addWidget(self.lc_genre_lcc_checkbox, r, 0)
self.lc_genre_inactive_checkbox = QCheckBox(
"Do not update 'Genre' at all")
self.lc_genre_inactive_checkbox.setToolTip(
"<p style='white-space:wrap'>Do no 'Genre' processing at all?")
r = r + 1
self.lc_layout.addWidget(self.lc_genre_inactive_checkbox, r, 0)
self.lc_checkbox_buttongroup.addButton(self.lc_genre_ddc_checkbox)
self.lc_checkbox_buttongroup.addButton(self.lc_genre_lcc_checkbox)
self.lc_checkbox_buttongroup.addButton(self.lc_genre_inactive_checkbox)
if self.mytabprefs['GENRE_DDC_IS_ACTIVE'] == unicode_type(S_TRUE):
self.lc_genre_ddc_checkbox.setChecked(True)
elif self.mytabprefs['GENRE_LCC_IS_ACTIVE'] == unicode_type(S_TRUE):
self.lc_genre_lcc_checkbox.setChecked(True)
elif self.mytabprefs['GENRE_IS_INACTIVE'] == unicode_type(S_TRUE):
self.lc_genre_inactive_checkbox.setChecked(True)
self.lc_exact_match_checkbox = QCheckBox(
"DDC: Require an 'Exact Match', not a 'Best Match'?")
self.lc_exact_match_checkbox.setToolTip(
"<p style='white-space:wrap'>Check this checkbox if you want an exact DDC match to be required in Table _lc_genre_mapping. Otherwise, a 'best match' will be used via progressive shortening from right to left, but not past any decimal point. If there is no decimal point in a book's DDC, then no progressive shortening will be performed at all."
)
r = r + 1
self.lc_layout.addWidget(self.lc_exact_match_checkbox, r, 0)
if self.mytabprefs['GENRE_EXACT_MATCH'] == unicode_type(S_TRUE):
self.lc_exact_match_checkbox.setChecked(True)
self.spin_lcc = QSpinBox(self)
self.spin_lcc.setMinimum(1)
self.spin_lcc.setMaximum(50)
self.spin_lcc.setProperty('value', prefs['GENRE_LCC_MATCH_LENGTH'])
self.spin_lcc.setMaximumWidth(250)
self.spin_lcc.setSuffix(" LCC: Maximum Length to Match")
self.spin_lcc.setToolTip(
"<p style='white-space:nowrap'>Maximum number of characters in the LCC that should be used to map to the 'Genre', starting from the left. A maximum of 1 guarantees a (broad) match.\
<br><br>LCCs are structured with either 1 or 2 beginning letters, so 2-character LCCs have special matching logic.\
<br><br>Example: Assume maximum = 2 for a LCC of 'Q1': Q1 would be attempted. If it failed, because the 2nd digit is a number, 'Q' would be attempted.\
<br><br>Example: Assume maximum = 2 for a LCC of 'PN1969.C65': PN would be attempted. If it failed, nothing else would be attempted.\
<br><br>Example: Assume maximum = 4 for a LCC of 'PN1969.C65': PN19 would be attempted. If it failed, nothing else would be attempted.\
<br><br>Example: Assume maximum = 4 for a LCC of 'Q1': Q1 would be attempted. If it failed, because the 2nd digit is a number, 'Q' would be attempted.\
<br><br>Example: Assume maximum = 4 for a LCC of 'Q389': Q389 would be attempted. If it failed, nothing else would be attempted."
)
r = r + 2
self.lc_layout.addWidget(self.spin_lcc, r, 0)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.scroll_widget.resize(self.sizeHint())
#-----------------------------------------------------
#-----------------------------------------------------
self.scroll_area_frame.setWidget(
self.scroll_widget
) # now that all widgets have been created and assigned to a layout...
#-----------------------------------------------------
#-----------------------------------------------------
self.scroll_area_frame.resize(self.sizeHint())
#-----------------------------------------------------
#-----------------------------------------------------
self.resize(self.sizeHint())
def __init__(self, args, force_calibre_style=False, override_program_name=None, headless=False, color_prefs=gprefs):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
if headless:
if not args:
args = sys.argv[:1]
args.extend(['-platformpluginpath', sys.extensions_location, '-platform', 'headless'])
self.headless = headless
qargs = [i.encode('utf-8') if isinstance(i, unicode) else i for i in args]
self.pi = plugins['progress_indicator'][0]
QApplication.__init__(self, qargs)
if islinux or isbsd:
self.setAttribute(Qt.AA_DontUseNativeMenuBar, 'CALIBRE_NO_NATIVE_MENUBAR' in os.environ)
self.setup_styles(force_calibre_style)
f = QFont(QApplication.font())
if (f.family(), f.pointSize()) == ('Sans Serif', 9): # Hard coded Qt settings, no user preference detected
f.setPointSize(10)
QApplication.setFont(f)
f = QFontInfo(f)
self.original_font = (f.family(), f.pointSize(), f.weight(), f.italic(), 100)
if not self.using_calibre_style and self.style().objectName() == 'fusion':
# Since Qt is using the fusion style anyway, specialize it
self.load_calibre_style()
fi = gprefs['font']
if fi is not None:
font = QFont(*(fi[:4]))
s = gprefs.get('font_stretch', None)
if s is not None:
font.setStretch(s)
QApplication.setFont(font)
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
if not isosx:
# OS X uses a native color dialog that does not support custom
# colors
self.color_prefs = color_prefs
self.read_custom_colors()
self.lastWindowClosed.connect(self.save_custom_colors)
if isxp:
error_dialog(None, _('Windows XP not supported'), '<p>' + _(
'calibre versions newer than 2.0 do not run on Windows XP. This is'
' because the graphics toolkit calibre uses (Qt 5) crashes a lot'
' on Windows XP. We suggest you stay with <a href="%s">calibre 1.48</a>'
' which works well on Windows XP.') % 'http://download.calibre-ebook.com/1.48.0/', show=True)
raise SystemExit(1)
if iswindows:
# On windows the highlighted colors for inactive widgets are the
# same as non highlighted colors. This is a regression from Qt 4.
# https://bugreports.qt-project.org/browse/QTBUG-41060
p = self.palette()
for role in (p.Highlight, p.HighlightedText, p.Base, p.AlternateBase):
p.setColor(p.Inactive, role, p.color(p.Active, role))
self.setPalette(p)
# Prevent text copied to the clipboard from being lost on quit due to
# Qt 5 bug: https://bugreports.qt-project.org/browse/QTBUG-41125
self.aboutToQuit.connect(self.flush_clipboard)
def __init__(self, gui, icon, guidb, plugin_path, ui_exit, action_type):
parent = gui
unique_pref_name = 'library_codes:gui_parameters_dialog'
SizePersistedDialog.__init__(self, parent, unique_pref_name)
#-----------------------------------------------------
self.gui = gui
self.guidb = guidb
#-----------------------------------------------------
self.icon = icon
#-----------------------------------------------------
self.plugin_path = plugin_path
#-----------------------------------------------------
self.ui_exit = ui_exit
#-----------------------------------------------------
self.action_type = action_type
#-----------------------------------------------------
self.myparentprefs = collections.OrderedDict([])
prefsdefaults = deepcopy(prefs.defaults)
tmp_list = []
#~ for k,v in prefs.iteritems():
for k, v in iteritems(prefs):
tmp_list.append(k)
#END FOR
#~ for k,v in prefsdefaults.iteritems():
for k, v in iteritems(prefsdefaults):
tmp_list.append(k)
#END FOR
tmp_set = set(tmp_list)
tmp_list = list(tmp_set) #no duplicates
del tmp_set
tmp_list.sort()
for k in tmp_list:
self.myparentprefs[k] = " " # ordered by key
#END FOR
del tmp_list
#~ for k,v in prefs.iteritems():
for k, v in iteritems(prefs):
self.myparentprefs[k] = v
#END FOR
#~ for k,v in prefsdefaults.iteritems():
for k, v in iteritems(prefsdefaults):
if not k in prefs:
prefs[k] = v
else:
if not prefs[k] > " ":
prefs[k] = v
if not k in self.myparentprefs:
self.myparentprefs[k] = v
else:
if not self.myparentprefs[k] > " ":
self.myparentprefs[k] = v
#END FOR
#~ for k,v in self.myparentprefs.iteritems():
for k, v in iteritems(self.myparentprefs):
prefs[k] = v
#END FOR
prefs #prefs now synched
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.param_dict = collections.OrderedDict([])
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.init_tooltips_for_parent()
self.setToolTip(self.parent_tooltip)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
# Tab 0: LibraryCodesTab
#-----------------------------------------------------
#-----------------------------------------------------
from calibre_plugins.library_codes.library_codes_dialog import LibraryCodesTab
self.LibraryCodesTab = LibraryCodesTab(self.gui, self.guidb,
self.myparentprefs,
self.param_dict, self.ui_exit,
self.save_dialog_geometry)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
# Parent LibraryCodesDialog
#-----------------------------------------------------
font = QFont()
font.setBold(False)
font.setPointSize(10)
tablabel_font = QFont()
tablabel_font.setBold(False)
tablabel_font.setPointSize(10)
#-----------------------------------------------------
self.setWindowTitle('Library Codes')
self.setWindowIcon(icon)
#-----------------------------------------------------
self.layout_frame = QVBoxLayout()
self.layout_frame.setAlignment(Qt.AlignLeft)
self.setLayout(self.layout_frame)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
n_width = 600
self.LCtabWidget = QTabWidget()
self.LCtabWidget.setMaximumWidth(n_width)
self.LCtabWidget.setFont(tablabel_font)
self.LCtabWidget.addTab(
self.LibraryCodesTab,
"Derivation from ISBN or ISSN or Author/Title")
self.LibraryCodesTab.setToolTip(
"<p style='white-space:wrap'>Derive Library Codes DDC and/or LCC and/or OCLC-OWI from ISBN or ISSN or Author/Title. Visit: http://classify.oclc.org/classify2/ "
)
self.LibraryCodesTab.setMaximumWidth(n_width)
#-----------------------------------------------------
self.layout_frame.addWidget(self.LCtabWidget)
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
#-----------------------------------------------------
self.resize_dialog() # inherited from SizePersistedDialog
#-----------------------------------------------------
self.LCtabWidget.setCurrentIndex(0)
class TextEdit(PlainTextEdit):
link_clicked = pyqtSignal(object)
smart_highlighting_updated = pyqtSignal()
def __init__(self, parent=None, expected_geometry=(100, 50)):
PlainTextEdit.__init__(self, parent)
self.gutter_width = 0
self.expected_geometry = expected_geometry
self.saved_matches = {}
self.smarts = NullSmarts(self)
self.current_cursor_line = None
self.current_search_mark = None
self.smarts_highlight_timer = t = QTimer()
t.setInterval(750), t.setSingleShot(True), t.timeout.connect(self.update_extra_selections)
self.highlighter = SyntaxHighlighter()
self.line_number_area = LineNumbers(self)
self.apply_settings()
self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.updateRequest.connect(self.update_line_number_area)
self.syntax = None
@dynamic_property
def is_modified(self):
''' True if the document has been modified since it was loaded or since
the last time is_modified was set to False. '''
def fget(self):
return self.document().isModified()
def fset(self, val):
self.document().setModified(bool(val))
return property(fget=fget, fset=fset)
def sizeHint(self):
return self.size_hint
def apply_settings(self, prefs=None, dictionaries_changed=False): # {{{
prefs = prefs or tprefs
self.setLineWrapMode(QPlainTextEdit.WidgetWidth if prefs['editor_line_wrap'] else QPlainTextEdit.NoWrap)
theme = get_theme(prefs['editor_theme'])
self.apply_theme(theme)
w = self.fontMetrics()
self.space_width = w.width(' ')
self.setTabStopWidth(prefs['editor_tab_stop_width'] * self.space_width)
if dictionaries_changed:
self.highlighter.rehighlight()
def apply_theme(self, theme):
self.theme = theme
pal = self.palette()
pal.setColor(pal.Base, theme_color(theme, 'Normal', 'bg'))
pal.setColor(pal.AlternateBase, theme_color(theme, 'CursorLine', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'Normal', 'fg'))
pal.setColor(pal.Highlight, theme_color(theme, 'Visual', 'bg'))
pal.setColor(pal.HighlightedText, theme_color(theme, 'Visual', 'fg'))
self.setPalette(pal)
self.tooltip_palette = pal = QPalette()
pal.setColor(pal.ToolTipBase, theme_color(theme, 'Tooltip', 'bg'))
pal.setColor(pal.ToolTipText, theme_color(theme, 'Tooltip', 'fg'))
self.line_number_palette = pal = QPalette()
pal.setColor(pal.Base, theme_color(theme, 'LineNr', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'LineNr', 'fg'))
pal.setColor(pal.BrightText, theme_color(theme, 'LineNrC', 'fg'))
self.match_paren_format = theme_format(theme, 'MatchParen')
font = self.font()
ff = tprefs['editor_font_family']
if ff is None:
ff = default_font_family()
font.setFamily(ff)
font.setPointSize(tprefs['editor_font_size'])
self.tooltip_font = QFont(font)
self.tooltip_font.setPointSize(font.pointSize() - 1)
self.setFont(font)
self.highlighter.apply_theme(theme)
w = self.fontMetrics()
self.number_width = max(map(lambda x:w.width(str(x)), xrange(10)))
self.size_hint = QSize(self.expected_geometry[0] * w.averageCharWidth(), self.expected_geometry[1] * w.height())
self.highlight_color = theme_color(theme, 'HighlightRegion', 'bg')
self.highlight_cursor_line()
# }}}
def load_text(self, text, syntax='html', process_template=False, doc_name=None):
self.syntax = syntax
self.highlighter = get_highlighter(syntax)()
self.highlighter.apply_theme(self.theme)
self.highlighter.set_document(self.document(), doc_name=doc_name)
sclass = {'html':HTMLSmarts, 'xml':HTMLSmarts, 'css':CSSSmarts}.get(syntax, None)
if sclass is not None:
self.smarts = sclass(self)
self.setPlainText(unicodedata.normalize('NFC', text))
if process_template and QPlainTextEdit.find(self, '%CURSOR%'):
c = self.textCursor()
c.insertText('')
def change_document_name(self, newname):
self.highlighter.doc_name = newname
self.highlighter.rehighlight() # Ensure links are checked w.r.t. the new name correctly
def replace_text(self, text):
c = self.textCursor()
pos = c.position()
c.beginEditBlock()
c.clearSelection()
c.select(c.Document)
c.insertText(unicodedata.normalize('NFC', text))
c.endEditBlock()
c.setPosition(min(pos, len(text)))
self.setTextCursor(c)
self.ensureCursorVisible()
def simple_replace(self, text):
c = self.textCursor()
c.insertText(unicodedata.normalize('NFC', text))
self.setTextCursor(c)
def go_to_line(self, lnum, col=None):
lnum = max(1, min(self.blockCount(), lnum))
c = self.textCursor()
c.clearSelection()
c.movePosition(c.Start)
c.movePosition(c.NextBlock, n=lnum - 1)
c.movePosition(c.StartOfLine)
c.movePosition(c.EndOfLine, c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
if col is None:
c.movePosition(c.StartOfLine)
lt = text.lstrip()
if text and lt and lt != text:
c.movePosition(c.NextWord)
else:
c.setPosition(c.block().position() + col)
if c.blockNumber() + 1 > lnum:
# We have moved past the end of the line
c.setPosition(c.block().position())
c.movePosition(c.EndOfBlock)
self.setTextCursor(c)
self.ensureCursorVisible()
def update_extra_selections(self, instant=True):
sel = []
if self.current_cursor_line is not None:
sel.append(self.current_cursor_line)
if self.current_search_mark is not None:
sel.append(self.current_search_mark)
if instant and not self.highlighter.has_requests:
sel.extend(self.smarts.get_extra_selections(self))
self.smart_highlighting_updated.emit()
else:
self.smarts_highlight_timer.start()
self.setExtraSelections(sel)
# Search and replace {{{
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def find_in_marked(self, pat, wrap=False, save_match=None):
if self.current_search_mark is None:
return False
csm = self.current_search_mark.cursor
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
m_start = min(csm.position(), csm.anchor())
m_end = max(csm.position(), csm.anchor())
if c.position() < m_start:
c.setPosition(m_start)
if c.position() > m_end:
c.setPosition(m_end)
pos = m_start if reverse else m_end
if wrap:
pos = m_end if reverse else m_start
c.setPosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
start, end = m_start + start, m_start + end
else:
if reverse:
start, end = m_start + end, m_start + start
else:
start, end = c.anchor() + start, c.anchor() + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def all_in_marked(self, pat, template=None):
if self.current_search_mark is None:
return 0
c = self.current_search_mark.cursor
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
if template is None:
count = len(pat.findall(raw))
else:
raw, count = pat.subn(template, raw)
if count > 0:
start_pos = min(c.anchor(), c.position())
c.insertText(raw)
end_pos = max(c.anchor(), c.position())
c.setPosition(start_pos), c.setPosition(end_pos, c.KeepAnchor)
self.update_extra_selections()
return count
def find(self, pat, wrap=False, marked=False, complete=False, save_match=None):
if marked:
return self.find_in_marked(pat, wrap=wrap, save_match=save_match)
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap and not complete:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
if reverse:
# Put the cursor at the start of the match
start, end = end, start
else:
textpos = c.anchor()
start, end = textpos + start, textpos + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def find_spell_word(self, original_words, lang, from_cursor=True, center_on_cursor=True):
c = self.textCursor()
c.setPosition(c.position())
if not from_cursor:
c.movePosition(c.Start)
c.movePosition(c.End, c.KeepAnchor)
def find_first_word(haystack):
match_pos, match_word = -1, None
for w in original_words:
idx = index_of(w, haystack, lang=lang)
if idx > -1 and (match_pos == -1 or match_pos > idx):
match_pos, match_word = idx, w
return match_pos, match_word
while True:
text = unicode(c.selectedText()).rstrip('\0')
idx, word = find_first_word(text)
if idx == -1:
return False
c.setPosition(c.anchor() + idx)
c.setPosition(c.position() + string_length(word), c.KeepAnchor)
if self.smarts.verify_for_spellcheck(c, self.highlighter):
self.setTextCursor(c)
if center_on_cursor:
self.centerCursor()
return True
c.setPosition(c.position())
c.movePosition(c.End, c.KeepAnchor)
return False
def find_next_spell_error(self, from_cursor=True):
c = self.textCursor()
if not from_cursor:
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY):
if not from_cursor or block.position() + r.start + r.length > c.position():
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
self.setTextCursor(c)
return True
block = block.next()
return False
def replace(self, pat, template, saved_match='gui'):
c = self.textCursor()
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.fullmatch(raw)
if m is None:
# This can happen if either the user changed the selected text or
# the search expression uses lookahead/lookbehind operators. See if
# the saved match matches the currently selected text and
# use it, if so.
if saved_match is not None and saved_match in self.saved_matches:
saved_pat, saved = self.saved_matches.pop(saved_match)
if saved_pat == pat and saved.group() == raw:
m = saved
if m is None:
return False
text = m.expand(template)
c.insertText(text)
return True
def go_to_anchor(self, anchor):
if anchor is TOP:
c = self.textCursor()
c.movePosition(c.Start)
self.setTextCursor(c)
return True
base = r'''%%s\s*=\s*['"]{0,1}%s''' % regex.escape(anchor)
raw = unicode(self.toPlainText())
m = regex.search(base % 'id', raw)
if m is None:
m = regex.search(base % 'name', raw)
if m is not None:
c = self.textCursor()
c.setPosition(m.start())
self.setTextCursor(c)
return True
return False
# }}}
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(0, self.last_current_lnum[0], self.line_number_area.width(), self.last_current_lnum[1])
except AttributeError:
pass
block = self.textCursor().block()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(), height)
def update_line_number_area_width(self, block_count=0):
self.gutter_width = self.line_number_area_width()
self.setViewportMargins(self.gutter_width, 0, 0, 0)
def line_number_area_width(self):
digits = 1
limit = max(1, self.blockCount())
while limit >= 10:
limit /= 10
digits += 1
return 8 + self.number_width * digits
def update_line_number_area(self, rect, dy):
if dy:
self.line_number_area.scroll(0, dy)
else:
self.line_number_area.update(0, rect.y(), self.line_number_area.width(), rect.height())
if rect.contains(self.viewport().rect()):
self.update_line_number_area_width()
def resizeEvent(self, ev):
QPlainTextEdit.resizeEvent(self, ev)
cr = self.contentsRect()
self.line_number_area.setGeometry(QRect(cr.left(), cr.top(), self.line_number_area_width(), cr.height()))
def paint_line_numbers(self, ev):
painter = QPainter(self.line_number_area)
painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))
block = self.firstVisibleBlock()
num = block.blockNumber()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
current = self.textCursor().block().blockNumber()
painter.setPen(self.line_number_palette.color(QPalette.Text))
while block.isValid() and top <= ev.rect().bottom():
if block.isVisible() and bottom >= ev.rect().top():
if current == num:
painter.save()
painter.setPen(self.line_number_palette.color(QPalette.BrightText))
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
self.last_current_lnum = (top, bottom - top)
painter.drawText(0, top, self.line_number_area.width() - 5, self.fontMetrics().height(),
Qt.AlignRight, str(num + 1))
if current == num:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())
num += 1
# }}}
def event(self, ev):
if ev.type() == ev.ToolTip:
self.show_tooltip(ev)
return True
if ev.type() == ev.ShortcutOverride:
if ev in (
# Let the global cut/copy/paste/undo/redo shortcuts work,this avoids the nbsp
# problem as well, since they use the overridden copy() method
# instead of the one from Qt, and allows proper customization
# of the shortcuts
QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste, QKeySequence.Undo, QKeySequence.Redo
) or (
# This is used to convert typed hex codes into unicode
# characters
ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier
):
ev.ignore()
return False
return QPlainTextEdit.event(self, ev)
def text_for_range(self, block, r):
c = self.textCursor()
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
return unicode(c.selectedText())
def spellcheck_locale_for_cursor(self, c):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for r in formats:
if r.start <= pos < r.start + r.length and r.format.property(SPELL_PROPERTY):
return r.format.property(SPELL_LOCALE_PROPERTY)
def recheck_word(self, word, locale):
c = self.textCursor()
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY) and self.text_for_range(block, r) == word:
self.highlighter.reformat_block(block)
break
block = block.next()
# Tooltips {{{
def syntax_range_for_cursor(self, cursor):
if cursor.isNull():
return
pos = cursor.positionInBlock()
for r in cursor.block().layout().additionalFormats():
if r.start <= pos < r.start + r.length and r.format.property(SYNTAX_PROPERTY):
return r
def syntax_format_for_cursor(self, cursor):
return getattr(self.syntax_range_for_cursor(cursor), 'format', None)
def show_tooltip(self, ev):
c = self.cursorForPosition(ev.pos())
fmt = self.syntax_format_for_cursor(c)
if fmt is not None:
tt = unicode(fmt.toolTip())
if tt:
QToolTip.setFont(self.tooltip_font)
QToolTip.setPalette(self.tooltip_palette)
QToolTip.showText(ev.globalPos(), textwrap.fill(tt))
return
QToolTip.hideText()
ev.ignore()
# }}}
def link_for_position(self, pos):
c = self.cursorForPosition(pos)
r = self.syntax_range_for_cursor(c)
if r is not None and r.format.property(LINK_PROPERTY):
return self.text_for_range(c.block(), r)
def mousePressEvent(self, ev):
if ev.modifiers() & Qt.CTRL:
url = self.link_for_position(ev.pos())
if url is not None:
ev.accept()
self.link_clicked.emit(url)
return
return PlainTextEdit.mousePressEvent(self, ev)
def get_range_inside_tag(self):
c = self.textCursor()
left = min(c.anchor(), c.position())
right = max(c.anchor(), c.position())
# For speed we use QPlainTextEdit's toPlainText as we dont care about
# spaces in this context
raw = unicode(QPlainTextEdit.toPlainText(self))
# Make sure the left edge is not within a <>
gtpos = raw.find('>', left)
ltpos = raw.find('<', left)
if gtpos < ltpos:
left = gtpos + 1 if gtpos > -1 else left
right = max(left, right)
if right != left:
gtpos = raw.find('>', right)
ltpos = raw.find('<', right)
if ltpos > gtpos:
ltpos = raw.rfind('<', left, right+1)
right = max(ltpos, left)
return left, right
def format_text(self, formatting):
if self.syntax != 'html':
return
if formatting.startswith('justify_'):
return self.smarts.set_text_alignment(self, formatting.partition('_')[-1])
color = 'currentColor'
if formatting in {'color', 'background-color'}:
color = QColorDialog.getColor(QColor(Qt.black if formatting == 'color' else Qt.white), self, _('Choose color'), QColorDialog.ShowAlphaChannel)
if not color.isValid():
return
r, g, b, a = color.getRgb()
if a == 255:
color = 'rgb(%d, %d, %d)' % (r, g, b)
else:
color = 'rgba(%d, %d, %d, %.2g)' % (r, g, b, a/255)
prefix, suffix = {
'bold': ('<b>', '</b>'),
'italic': ('<i>', '</i>'),
'underline': ('<u>', '</u>'),
'strikethrough': ('<strike>', '</strike>'),
'superscript': ('<sup>', '</sup>'),
'subscript': ('<sub>', '</sub>'),
'color': ('<span style="color: %s">' % color, '</span>'),
'background-color': ('<span style="background-color: %s">' % color, '</span>'),
}[formatting]
left, right = self.get_range_inside_tag()
c = self.textCursor()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
prev_text = unicode(c.selectedText()).rstrip('\0')
c.insertText(prefix + prev_text + suffix)
if prev_text:
right = c.position()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
else:
c.setPosition(c.position() - len(suffix))
self.setTextCursor(c)
def insert_image(self, href):
c = self.textCursor()
template, alt = 'url(%s)', ''
left = min(c.position(), c.anchor)
if self.syntax == 'html':
left, right = self.get_range_inside_tag()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
alt = _('Image')
template = '<img alt="{0}" src="%s" />'.format(alt)
href = prepare_string_for_xml(href, True)
text = template % href
c.insertText(text)
if self.syntax == 'html':
c.setPosition(left + 10)
c.setPosition(c.position() + len(alt), c.KeepAnchor)
else:
c.setPosition(left)
c.setPosition(left + len(text), c.KeepAnchor)
self.setTextCursor(c)
def insert_hyperlink(self, target, text):
if hasattr(self.smarts, 'insert_hyperlink'):
self.smarts.insert_hyperlink(self, target, text)
def insert_tag(self, tag):
if hasattr(self.smarts, 'insert_tag'):
self.smarts.insert_tag(self, tag)
def keyPressEvent(self, ev):
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
if self.replace_possible_unicode_sequence():
ev.accept()
return
if ev.key() == Qt.Key_Insert:
self.setOverwriteMode(self.overwriteMode() ^ True)
ev.accept()
return
if isosx and ev.modifiers() == Qt.ControlModifier and re.search(r'[a-zA-Z0-9]+', ev.text()) is not None:
# For some reason Qt 5 translates Cmd+key into text on OS X
# https://bugreports.qt-project.org/browse/QTBUG-36281
ev.setAccepted(False)
return
QPlainTextEdit.keyPressEvent(self, ev)
if (ev.key() == Qt.Key_Semicolon or ';' in unicode(ev.text())) and tprefs['replace_entities_as_typed'] and self.syntax == 'html':
self.replace_possible_entity()
def replace_possible_unicode_sequence(self):
c = self.textCursor()
has_selection = c.hasSelection()
if has_selection:
text = unicode(c.selectedText()).rstrip('\0')
else:
c.setPosition(c.position() - min(c.positionInBlock(), 6), c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
m = re.search(r'[a-fA-F0-9]{2,6}$', text)
if m is None:
return False
text = m.group()
try:
num = int(text, 16)
except ValueError:
return False
if num > 0x10ffff or num < 1:
return False
end_pos = max(c.anchor(), c.position())
c.setPosition(end_pos - len(text)), c.setPosition(end_pos, c.KeepAnchor)
c.insertText(safe_chr(num))
return True
def replace_possible_entity(self):
c = self.textCursor()
c.setPosition(c.position() - min(c.positionInBlock(), 10), c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
m = entity_pat.search(text)
if m is None:
return
ent = m.group()
repl = xml_entity_to_unicode(m)
if repl != ent:
c.setPosition(c.position() + m.start(), c.KeepAnchor)
c.insertText(repl)
def select_all(self):
c = self.textCursor()
c.clearSelection()
c.setPosition(0)
c.movePosition(c.End, c.KeepAnchor)
self.setTextCursor(c)
def rename_block_tag(self, new_name):
if hasattr(self.smarts, 'rename_block_tag'):
self.smarts.rename_block_tag(self, new_name)
def current_tag(self, for_position_sync=True):
return self.smarts.cursor_position_with_sourceline(self.textCursor(), for_position_sync=for_position_sync)
def goto_sourceline(self, sourceline, tags, attribute=None):
return self.smarts.goto_sourceline(self, sourceline, tags, attribute=attribute)
def get_tag_contents(self):
c = self.smarts.get_inner_HTML(self)
if c is not None:
return self.selected_text_from_cursor(c)
def goto_css_rule(self, rule_address, sourceline_address=None):
from calibre.gui2.tweak_book.editor.smart.css import find_rule
block = None
if self.syntax == 'css':
raw = unicode(self.toPlainText())
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(line - 1)
elif sourceline_address is not None:
sourceline, tags = sourceline_address
if self.goto_sourceline(sourceline, tags):
c = self.textCursor()
c.setPosition(c.position() + 1)
self.setTextCursor(c)
raw = self.get_tag_contents()
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(c.blockNumber() + line - 1)
if block is not None and block.isValid():
c = self.textCursor()
c.setPosition(block.position() + col)
self.setTextCursor(c)
def change_case(self, action, cursor=None):
cursor = cursor or self.textCursor()
text = self.selected_text_from_cursor(cursor)
text = {'lower':lower, 'upper':upper, 'capitalize':capitalize, 'title':titlecase, 'swap':swapcase}[action](text)
cursor.insertText(text)
self.setTextCursor(cursor)
def paintEvent(self, event):
contents_y = self.edit.verticalScrollBar().value()
page_bottom = contents_y + self.edit.viewport().height()
font_metrics = self.fontMetrics()
current_block = self.edit.document().findBlock(
self.edit.textCursor().position())
painter = QPainter(self)
first_line = self.edit.firstVisibleBlock().firstLineNumber()
# print(self.highest_line.data())
line_count = 0
# Iterate over all text blocks in the document.
block = self.edit.document().begin()
while block.isValid():
line_count += 1
# The top left position of the block in the document
position = self.edit.document().documentLayout().blockBoundingRect(
block).topLeft()
# Check if the position of the block is out side of the visible
# area.
if position.y() > page_bottom:
break
# We want the line number for the selected line to be bold.
bold = False
if block == current_block:
bold = True
font = painter.font()
font.setBold(True)
painter.setFont(font)
# Draw the line number right justified at the y position of the
# line. 3 is a magic padding number. drawText(x, y, text).
font = QFont()
font.setPointSize(self.edit.font().pointSize())
font.setWordSpacing(20)
painter.setFont(font)
if line_count == 1:
painter.drawText(
self.width() -
font_metrics.width(str(line_count + first_line)) - 3,
1 + 17 * line_count, str(first_line + line_count))
else:
painter.drawText(
self.width() -
font_metrics.width(str(line_count + first_line)) - 3,
1 + 17 * line_count +
(self.edit.font().pointSize() - 10) * line_count * 2,
str(first_line + line_count))
#print(self.width() - font_metrics.width(str(line_count)) - 3 , " " , round(position.y()) - contents_y + font_metrics.ascent(), str(line_count))
# Remove the bold style if it was set previously.
if bold:
font = painter.font()
font.setBold(False)
painter.setFont(font)
block = block.next()
self.highest_line = line_count
painter.end()
QWidget.paintEvent(self, event)
class TextEdit(PlainTextEdit):
link_clicked = pyqtSignal(object)
smart_highlighting_updated = pyqtSignal()
def __init__(self, parent=None, expected_geometry=(100, 50)):
PlainTextEdit.__init__(self, parent)
self.gutter_width = 0
self.tw = 2
self.expected_geometry = expected_geometry
self.saved_matches = {}
self.syntax = None
self.smarts = NullSmarts(self)
self.current_cursor_line = None
self.current_search_mark = None
self.smarts_highlight_timer = t = QTimer()
t.setInterval(750), t.setSingleShot(True), t.timeout.connect(self.update_extra_selections)
self.highlighter = SyntaxHighlighter()
self.line_number_area = LineNumbers(self)
self.apply_settings()
self.setMouseTracking(True)
self.cursorPositionChanged.connect(self.highlight_cursor_line)
self.blockCountChanged[int].connect(self.update_line_number_area_width)
self.updateRequest.connect(self.update_line_number_area)
@dynamic_property
def is_modified(self):
''' True if the document has been modified since it was loaded or since
the last time is_modified was set to False. '''
def fget(self):
return self.document().isModified()
def fset(self, val):
self.document().setModified(bool(val))
return property(fget=fget, fset=fset)
def sizeHint(self):
return self.size_hint
def apply_settings(self, prefs=None, dictionaries_changed=False): # {{{
prefs = prefs or tprefs
self.setLineWrapMode(QPlainTextEdit.WidgetWidth if prefs['editor_line_wrap'] else QPlainTextEdit.NoWrap)
theme = get_theme(prefs['editor_theme'])
self.apply_theme(theme)
w = self.fontMetrics()
self.space_width = w.width(' ')
self.tw = self.smarts.override_tab_stop_width if self.smarts.override_tab_stop_width is not None else prefs['editor_tab_stop_width']
self.setTabStopWidth(self.tw * self.space_width)
if dictionaries_changed:
self.highlighter.rehighlight()
def apply_theme(self, theme):
self.theme = theme
pal = self.palette()
pal.setColor(pal.Base, theme_color(theme, 'Normal', 'bg'))
pal.setColor(pal.AlternateBase, theme_color(theme, 'CursorLine', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'Normal', 'fg'))
pal.setColor(pal.Highlight, theme_color(theme, 'Visual', 'bg'))
pal.setColor(pal.HighlightedText, theme_color(theme, 'Visual', 'fg'))
self.setPalette(pal)
self.tooltip_palette = pal = QPalette()
pal.setColor(pal.ToolTipBase, theme_color(theme, 'Tooltip', 'bg'))
pal.setColor(pal.ToolTipText, theme_color(theme, 'Tooltip', 'fg'))
self.line_number_palette = pal = QPalette()
pal.setColor(pal.Base, theme_color(theme, 'LineNr', 'bg'))
pal.setColor(pal.Text, theme_color(theme, 'LineNr', 'fg'))
pal.setColor(pal.BrightText, theme_color(theme, 'LineNrC', 'fg'))
self.match_paren_format = theme_format(theme, 'MatchParen')
font = self.font()
ff = tprefs['editor_font_family']
if ff is None:
ff = default_font_family()
font.setFamily(ff)
font.setPointSize(tprefs['editor_font_size'])
self.tooltip_font = QFont(font)
self.tooltip_font.setPointSize(font.pointSize() - 1)
self.setFont(font)
self.highlighter.apply_theme(theme)
w = self.fontMetrics()
self.number_width = max(map(lambda x:w.width(str(x)), xrange(10)))
self.size_hint = QSize(self.expected_geometry[0] * w.averageCharWidth(), self.expected_geometry[1] * w.height())
self.highlight_color = theme_color(theme, 'HighlightRegion', 'bg')
self.highlight_cursor_line()
# }}}
def load_text(self, text, syntax='html', process_template=False, doc_name=None):
self.syntax = syntax
self.highlighter = get_highlighter(syntax)()
self.highlighter.apply_theme(self.theme)
self.highlighter.set_document(self.document(), doc_name=doc_name)
sclass = get_smarts(syntax)
if sclass is not None:
self.smarts = sclass(self)
if self.smarts.override_tab_stop_width is not None:
self.tw = self.smarts.override_tab_stop_width
self.setTabStopWidth(self.tw * self.space_width)
self.setPlainText(unicodedata.normalize('NFC', unicode(text)))
if process_template and QPlainTextEdit.find(self, '%CURSOR%'):
c = self.textCursor()
c.insertText('')
def change_document_name(self, newname):
self.highlighter.doc_name = newname
self.highlighter.rehighlight() # Ensure links are checked w.r.t. the new name correctly
def replace_text(self, text):
c = self.textCursor()
pos = c.position()
c.beginEditBlock()
c.clearSelection()
c.select(c.Document)
c.insertText(unicodedata.normalize('NFC', text))
c.endEditBlock()
c.setPosition(min(pos, len(text)))
self.setTextCursor(c)
self.ensureCursorVisible()
def simple_replace(self, text, cursor=None):
c = cursor or self.textCursor()
c.insertText(unicodedata.normalize('NFC', text))
self.setTextCursor(c)
def go_to_line(self, lnum, col=None):
lnum = max(1, min(self.blockCount(), lnum))
c = self.textCursor()
c.clearSelection()
c.movePosition(c.Start)
c.movePosition(c.NextBlock, n=lnum - 1)
c.movePosition(c.StartOfLine)
c.movePosition(c.EndOfLine, c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
if col is None:
c.movePosition(c.StartOfLine)
lt = text.lstrip()
if text and lt and lt != text:
c.movePosition(c.NextWord)
else:
c.setPosition(c.block().position() + col)
if c.blockNumber() + 1 > lnum:
# We have moved past the end of the line
c.setPosition(c.block().position())
c.movePosition(c.EndOfBlock)
self.setTextCursor(c)
self.ensureCursorVisible()
def update_extra_selections(self, instant=True):
sel = []
if self.current_cursor_line is not None:
sel.append(self.current_cursor_line)
if self.current_search_mark is not None:
sel.append(self.current_search_mark)
if instant and not self.highlighter.has_requests and self.smarts is not None:
sel.extend(self.smarts.get_extra_selections(self))
self.smart_highlighting_updated.emit()
else:
self.smarts_highlight_timer.start()
self.setExtraSelections(sel)
# Search and replace {{{
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def find_in_marked(self, pat, wrap=False, save_match=None):
if self.current_search_mark is None:
return False
csm = self.current_search_mark.cursor
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
m_start = min(csm.position(), csm.anchor())
m_end = max(csm.position(), csm.anchor())
if c.position() < m_start:
c.setPosition(m_start)
if c.position() > m_end:
c.setPosition(m_end)
pos = m_start if reverse else m_end
if wrap:
pos = m_end if reverse else m_start
c.setPosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
start, end = m_start + start, m_start + end
else:
if reverse:
start, end = m_start + end, m_start + start
else:
start, end = c.anchor() + start, c.anchor() + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def all_in_marked(self, pat, template=None):
if self.current_search_mark is None:
return 0
c = self.current_search_mark.cursor
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
if template is None:
count = len(pat.findall(raw))
else:
from calibre.gui2.tweak_book.function_replace import Function
repl_is_func = isinstance(template, Function)
if repl_is_func:
template.init_env()
raw, count = pat.subn(template, raw)
if repl_is_func:
from calibre.gui2.tweak_book.search import show_function_debug_output
template.end()
show_function_debug_output(template)
if count > 0:
start_pos = min(c.anchor(), c.position())
c.insertText(raw)
end_pos = max(c.anchor(), c.position())
c.setPosition(start_pos), c.setPosition(end_pos, c.KeepAnchor)
self.update_extra_selections()
return count
def find(self, pat, wrap=False, marked=False, complete=False, save_match=None):
if marked:
return self.find_in_marked(pat, wrap=wrap, save_match=save_match)
reverse = pat.flags & regex.REVERSE
c = self.textCursor()
c.clearSelection()
if complete:
# Search the entire text
c.movePosition(c.End if reverse else c.Start)
pos = c.Start if reverse else c.End
if wrap and not complete:
pos = c.End if reverse else c.Start
c.movePosition(pos, c.KeepAnchor)
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.search(raw)
if m is None:
return False
start, end = m.span()
if start == end:
return False
if wrap and not complete:
if reverse:
textpos = c.anchor()
start, end = textpos + end, textpos + start
else:
if reverse:
# Put the cursor at the start of the match
start, end = end, start
else:
textpos = c.anchor()
start, end = textpos + start, textpos + end
c.clearSelection()
c.setPosition(start)
c.setPosition(end, c.KeepAnchor)
self.setTextCursor(c)
# Center search result on screen
self.centerCursor()
if save_match is not None:
self.saved_matches[save_match] = (pat, m)
return True
def find_spell_word(self, original_words, lang, from_cursor=True, center_on_cursor=True):
c = self.textCursor()
c.setPosition(c.position())
if not from_cursor:
c.movePosition(c.Start)
c.movePosition(c.End, c.KeepAnchor)
def find_first_word(haystack):
match_pos, match_word = -1, None
for w in original_words:
idx = index_of(w, haystack, lang=lang)
if idx > -1 and (match_pos == -1 or match_pos > idx):
match_pos, match_word = idx, w
return match_pos, match_word
while True:
text = unicode(c.selectedText()).rstrip('\0')
idx, word = find_first_word(text)
if idx == -1:
return False
c.setPosition(c.anchor() + idx)
c.setPosition(c.position() + string_length(word), c.KeepAnchor)
if self.smarts.verify_for_spellcheck(c, self.highlighter):
self.setTextCursor(c)
if center_on_cursor:
self.centerCursor()
return True
c.setPosition(c.position())
c.movePosition(c.End, c.KeepAnchor)
return False
def find_next_spell_error(self, from_cursor=True):
c = self.textCursor()
if not from_cursor:
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY):
if not from_cursor or block.position() + r.start + r.length > c.position():
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
self.setTextCursor(c)
return True
block = block.next()
return False
def replace(self, pat, template, saved_match='gui'):
c = self.textCursor()
raw = unicode(c.selectedText()).replace(PARAGRAPH_SEPARATOR, '\n').rstrip('\0')
m = pat.fullmatch(raw)
if m is None:
# This can happen if either the user changed the selected text or
# the search expression uses lookahead/lookbehind operators. See if
# the saved match matches the currently selected text and
# use it, if so.
if saved_match is not None and saved_match in self.saved_matches:
saved_pat, saved = self.saved_matches.pop(saved_match)
if saved_pat == pat and saved.group() == raw:
m = saved
if m is None:
return False
if callable(template):
text = template(m)
else:
text = m.expand(template)
c.insertText(text)
return True
def go_to_anchor(self, anchor):
if anchor is TOP:
c = self.textCursor()
c.movePosition(c.Start)
self.setTextCursor(c)
return True
base = r'''%%s\s*=\s*['"]{0,1}%s''' % regex.escape(anchor)
raw = unicode(self.toPlainText())
m = regex.search(base % 'id', raw)
if m is None:
m = regex.search(base % 'name', raw)
if m is not None:
c = self.textCursor()
c.setPosition(m.start())
self.setTextCursor(c)
return True
return False
# }}}
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(0, self.last_current_lnum[0], self.line_number_area.width(), self.last_current_lnum[1])
except AttributeError:
pass
block = self.textCursor().block()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(), height)
def update_line_number_area_width(self, block_count=0):
self.gutter_width = self.line_number_area_width()
self.setViewportMargins(self.gutter_width, 0, 0, 0)
def line_number_area_width(self):
digits = 1
limit = max(1, self.blockCount())
while limit >= 10:
limit /= 10
digits += 1
return 8 + self.number_width * digits
def update_line_number_area(self, rect, dy):
if dy:
self.line_number_area.scroll(0, dy)
else:
self.line_number_area.update(0, rect.y(), self.line_number_area.width(), rect.height())
if rect.contains(self.viewport().rect()):
self.update_line_number_area_width()
def resizeEvent(self, ev):
QPlainTextEdit.resizeEvent(self, ev)
cr = self.contentsRect()
self.line_number_area.setGeometry(QRect(cr.left(), cr.top(), self.line_number_area_width(), cr.height()))
def paint_line_numbers(self, ev):
painter = QPainter(self.line_number_area)
painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))
block = self.firstVisibleBlock()
num = block.blockNumber()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
current = self.textCursor().block().blockNumber()
painter.setPen(self.line_number_palette.color(QPalette.Text))
while block.isValid() and top <= ev.rect().bottom():
if block.isVisible() and bottom >= ev.rect().top():
if current == num:
painter.save()
painter.setPen(self.line_number_palette.color(QPalette.BrightText))
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
self.last_current_lnum = (top, bottom - top)
painter.drawText(0, top, self.line_number_area.width() - 5, self.fontMetrics().height(),
Qt.AlignRight, str(num + 1))
if current == num:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())
num += 1
# }}}
def event(self, ev):
if ev.type() == ev.ToolTip:
self.show_tooltip(ev)
return True
if ev.type() == ev.ShortcutOverride:
if ev in (
# Let the global cut/copy/paste/undo/redo shortcuts work,this avoids the nbsp
# problem as well, since they use the overridden copy() method
# instead of the one from Qt, and allows proper customization
# of the shortcuts
QKeySequence.Copy, QKeySequence.Cut, QKeySequence.Paste, QKeySequence.Undo, QKeySequence.Redo
) or (
# This is used to convert typed hex codes into unicode
# characters
ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier
):
ev.ignore()
return False
return QPlainTextEdit.event(self, ev)
def text_for_range(self, block, r):
c = self.textCursor()
c.setPosition(block.position() + r.start)
c.setPosition(c.position() + r.length, c.KeepAnchor)
return unicode(c.selectedText())
def spellcheck_locale_for_cursor(self, c):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for r in formats:
if r.start <= pos < r.start + r.length and r.format.property(SPELL_PROPERTY):
return r.format.property(SPELL_LOCALE_PROPERTY)
def recheck_word(self, word, locale):
c = self.textCursor()
c.movePosition(c.Start)
block = c.block()
while block.isValid():
for r in block.layout().additionalFormats():
if r.format.property(SPELL_PROPERTY) and self.text_for_range(block, r) == word:
self.highlighter.reformat_block(block)
break
block = block.next()
# Tooltips {{{
def syntax_range_for_cursor(self, cursor):
if cursor.isNull():
return
pos = cursor.positionInBlock()
for r in cursor.block().layout().additionalFormats():
if r.start <= pos < r.start + r.length and r.format.property(SYNTAX_PROPERTY):
return r
def syntax_format_for_cursor(self, cursor):
return getattr(self.syntax_range_for_cursor(cursor), 'format', None)
def show_tooltip(self, ev):
c = self.cursorForPosition(ev.pos())
fmt = self.syntax_format_for_cursor(c)
if fmt is not None:
tt = unicode(fmt.toolTip())
if tt:
QToolTip.setFont(self.tooltip_font)
QToolTip.setPalette(self.tooltip_palette)
QToolTip.showText(ev.globalPos(), textwrap.fill(tt))
return
QToolTip.hideText()
ev.ignore()
# }}}
def link_for_position(self, pos):
c = self.cursorForPosition(pos)
r = self.syntax_range_for_cursor(c)
if r is not None and r.format.property(LINK_PROPERTY):
return self.text_for_range(c.block(), r)
def mousePressEvent(self, ev):
if ev.modifiers() & Qt.CTRL:
url = self.link_for_position(ev.pos())
if url is not None:
ev.accept()
self.link_clicked.emit(url)
return
return PlainTextEdit.mousePressEvent(self, ev)
def get_range_inside_tag(self):
c = self.textCursor()
left = min(c.anchor(), c.position())
right = max(c.anchor(), c.position())
# For speed we use QPlainTextEdit's toPlainText as we dont care about
# spaces in this context
raw = unicode(QPlainTextEdit.toPlainText(self))
# Make sure the left edge is not within a <>
gtpos = raw.find('>', left)
ltpos = raw.find('<', left)
if gtpos < ltpos:
left = gtpos + 1 if gtpos > -1 else left
right = max(left, right)
if right != left:
gtpos = raw.find('>', right)
ltpos = raw.find('<', right)
if ltpos > gtpos:
ltpos = raw.rfind('<', left, right+1)
right = max(ltpos, left)
return left, right
def format_text(self, formatting):
if self.syntax != 'html':
return
if formatting.startswith('justify_'):
return self.smarts.set_text_alignment(self, formatting.partition('_')[-1])
color = 'currentColor'
if formatting in {'color', 'background-color'}:
color = QColorDialog.getColor(QColor(Qt.black if formatting == 'color' else Qt.white), self, _('Choose color'), QColorDialog.ShowAlphaChannel)
if not color.isValid():
return
r, g, b, a = color.getRgb()
if a == 255:
color = 'rgb(%d, %d, %d)' % (r, g, b)
else:
color = 'rgba(%d, %d, %d, %.2g)' % (r, g, b, a/255)
prefix, suffix = {
'bold': ('<b>', '</b>'),
'italic': ('<i>', '</i>'),
'underline': ('<u>', '</u>'),
'strikethrough': ('<strike>', '</strike>'),
'superscript': ('<sup>', '</sup>'),
'subscript': ('<sub>', '</sub>'),
'color': ('<span style="color: %s">' % color, '</span>'),
'background-color': ('<span style="background-color: %s">' % color, '</span>'),
}[formatting]
left, right = self.get_range_inside_tag()
c = self.textCursor()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
prev_text = unicode(c.selectedText()).rstrip('\0')
c.insertText(prefix + prev_text + suffix)
if prev_text:
right = c.position()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
else:
c.setPosition(c.position() - len(suffix))
self.setTextCursor(c)
def insert_image(self, href):
c = self.textCursor()
template, alt = 'url(%s)', ''
left = min(c.position(), c.anchor)
if self.syntax == 'html':
left, right = self.get_range_inside_tag()
c.setPosition(left)
c.setPosition(right, c.KeepAnchor)
alt = _('Image')
template = '<img alt="{0}" src="%s" />'.format(alt)
href = prepare_string_for_xml(href, True)
text = template % href
c.insertText(text)
if self.syntax == 'html':
c.setPosition(left + 10)
c.setPosition(c.position() + len(alt), c.KeepAnchor)
else:
c.setPosition(left)
c.setPosition(left + len(text), c.KeepAnchor)
self.setTextCursor(c)
def insert_hyperlink(self, target, text):
if hasattr(self.smarts, 'insert_hyperlink'):
self.smarts.insert_hyperlink(self, target, text)
def insert_tag(self, tag):
if hasattr(self.smarts, 'insert_tag'):
self.smarts.insert_tag(self, tag)
def keyPressEvent(self, ev):
if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
if self.replace_possible_unicode_sequence():
ev.accept()
return
if ev.key() == Qt.Key_Insert:
self.setOverwriteMode(self.overwriteMode() ^ True)
ev.accept()
return
if isosx and QT_VERSION < 0x504000 and ev.modifiers() == Qt.ControlModifier and re.search(r'[a-zA-Z0-9]+', ev.text()) is not None:
# For some reason Qt 5 translates Cmd+key into text on OS X
# https://bugreports.qt-project.org/browse/QTBUG-36281
ev.setAccepted(False)
return
if self.smarts.handle_key_press(ev, self):
return
QPlainTextEdit.keyPressEvent(self, ev)
def replace_possible_unicode_sequence(self):
c = self.textCursor()
has_selection = c.hasSelection()
if has_selection:
text = unicode(c.selectedText()).rstrip('\0')
else:
c.setPosition(c.position() - min(c.positionInBlock(), 6), c.KeepAnchor)
text = unicode(c.selectedText()).rstrip('\0')
m = re.search(r'[a-fA-F0-9]{2,6}$', text)
if m is None:
return False
text = m.group()
try:
num = int(text, 16)
except ValueError:
return False
if num > 0x10ffff or num < 1:
return False
end_pos = max(c.anchor(), c.position())
c.setPosition(end_pos - len(text)), c.setPosition(end_pos, c.KeepAnchor)
c.insertText(safe_chr(num))
return True
def select_all(self):
c = self.textCursor()
c.clearSelection()
c.setPosition(0)
c.movePosition(c.End, c.KeepAnchor)
self.setTextCursor(c)
def rename_block_tag(self, new_name):
if hasattr(self.smarts, 'rename_block_tag'):
self.smarts.rename_block_tag(self, new_name)
def current_tag(self, for_position_sync=True):
return self.smarts.cursor_position_with_sourceline(self.textCursor(), for_position_sync=for_position_sync)
def goto_sourceline(self, sourceline, tags, attribute=None):
return self.smarts.goto_sourceline(self, sourceline, tags, attribute=attribute)
def get_tag_contents(self):
c = self.smarts.get_inner_HTML(self)
if c is not None:
return self.selected_text_from_cursor(c)
def goto_css_rule(self, rule_address, sourceline_address=None):
from calibre.gui2.tweak_book.editor.smarts.css import find_rule
block = None
if self.syntax == 'css':
raw = unicode(self.toPlainText())
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(line - 1)
elif sourceline_address is not None:
sourceline, tags = sourceline_address
if self.goto_sourceline(sourceline, tags):
c = self.textCursor()
c.setPosition(c.position() + 1)
self.setTextCursor(c)
raw = self.get_tag_contents()
line, col = find_rule(raw, rule_address)
if line is not None:
block = self.document().findBlockByNumber(c.blockNumber() + line - 1)
if block is not None and block.isValid():
c = self.textCursor()
c.setPosition(block.position() + col)
self.setTextCursor(c)
def change_case(self, action, cursor=None):
cursor = cursor or self.textCursor()
text = self.selected_text_from_cursor(cursor)
text = {'lower':lower, 'upper':upper, 'capitalize':capitalize, 'title':titlecase, 'swap':swapcase}[action](text)
cursor.insertText(text)
self.setTextCursor(cursor)
class MyBlockingBusy(QDialog): # {{{
all_done = pyqtSignal()
def __init__(self, args, ids, db, refresh_books, cc_widgets, s_r_func, do_sr, sr_calls, parent=None, window_title=_('Working')):
QDialog.__init__(self, parent)
self._layout = l = QVBoxLayout()
self.setLayout(l)
self.msg = QLabel(_('Processing %d books, please wait...') % len(ids))
self.font = QFont()
self.font.setPointSize(self.font.pointSize() + 8)
self.msg.setFont(self.font)
self.pi = ProgressIndicator(self)
self.pi.setDisplaySize(100)
self._layout.addWidget(self.pi, 0, Qt.AlignHCenter)
self._layout.addSpacing(15)
self._layout.addWidget(self.msg, 0, Qt.AlignHCenter)
self.setWindowTitle(window_title + '...')
self.setMinimumWidth(200)
self.resize(self.sizeHint())
self.error = None
self.all_done.connect(self.on_all_done, type=Qt.QueuedConnection)
self.args, self.ids = args, ids
self.db, self.cc_widgets = db, cc_widgets
self.s_r_func = FunctionDispatcher(s_r_func)
self.do_sr = do_sr
self.sr_calls = sr_calls
self.refresh_books = refresh_books
def accept(self):
pass
def reject(self):
pass
def on_all_done(self):
if not self.error:
# The cc widgets can only be accessed in the GUI thread
try:
for w in self.cc_widgets:
w.commit(self.ids)
except Exception as err:
import traceback
self.error = (err, traceback.format_exc())
self.pi.stopAnimation()
QDialog.accept(self)
def exec_(self):
self.thread = Thread(target=self.do_it)
self.thread.start()
self.pi.startAnimation()
return QDialog.exec_(self)
def do_it(self):
try:
self.do_all()
except Exception as err:
import traceback
try:
err = unicode(err)
except:
err = repr(err)
self.error = (err, traceback.format_exc())
self.all_done.emit()
def do_all(self):
cache = self.db.new_api
args = self.args
# Title and authors
if args.do_swap_ta:
title_map = cache.all_field_for('title', self.ids)
authors_map = cache.all_field_for('authors', self.ids)
def new_title(authors):
ans = authors_to_string(authors)
return titlecase(ans) if args.do_title_case else ans
new_title_map = {bid:new_title(authors) for bid, authors in authors_map.iteritems()}
new_authors_map = {bid:string_to_authors(title) for bid, title in title_map.iteritems()}
cache.set_field('authors', new_authors_map)
cache.set_field('title', new_title_map)
if args.do_title_case and not args.do_swap_ta:
title_map = cache.all_field_for('title', self.ids)
cache.set_field('title', {bid:titlecase(title) for bid, title in title_map.iteritems()})
if args.do_title_sort:
lang_map = cache.all_field_for('languages', self.ids)
title_map = cache.all_field_for('title', self.ids)
def get_sort(book_id):
if args.languages:
lang = args.languages[0]
else:
try:
lang = lang_map[book_id][0]
except (KeyError, IndexError, TypeError, AttributeError):
lang = 'eng'
return title_sort(title_map[book_id], lang=lang)
cache.set_field('sort', {bid:get_sort(bid) for bid in self.ids})
if args.au:
authors = string_to_authors(args.au)
cache.set_field('authors', {bid:authors for bid in self.ids})
if args.do_auto_author:
aus_map = cache.author_sort_strings_for_books(self.ids)
cache.set_field('author_sort', {book_id:' & '.join(aus_map[book_id]) for book_id in aus_map})
if args.aus and args.do_aus:
cache.set_field('author_sort', {bid:args.aus for bid in self.ids})
# Covers
if args.cover_action == 'remove':
cache.set_cover({bid:None for bid in self.ids})
elif args.cover_action == 'generate':
from calibre.ebooks import calibre_cover
from calibre.ebooks.metadata import fmt_sidx
from calibre.gui2 import config
for book_id in self.ids:
mi = self.db.get_metadata(book_id, index_is_id=True)
series_string = None
if mi.series:
series_string = _('Book %(sidx)s of %(series)s')%dict(
sidx=fmt_sidx(mi.series_index,
use_roman=config['use_roman_numerals_for_series_number']),
series=mi.series)
cdata = calibre_cover(mi.title, mi.format_field('authors')[-1],
series_string=series_string)
cache.set_cover({book_id:cdata})
elif args.cover_action == 'fromfmt':
for book_id in self.ids:
fmts = cache.formats(book_id, verify_formats=False)
if fmts:
covers = []
for fmt in fmts:
fmtf = cache.format(book_id, fmt, as_file=True)
if fmtf is None:
continue
cdata, area = get_cover_data(fmtf, fmt)
if cdata:
covers.append((cdata, area))
covers.sort(key=lambda x: x[1])
if covers:
cache.set_cover({book_id:covers[-1][0]})
elif args.cover_action == 'trim':
from calibre.utils.magick import Image
for book_id in self.ids:
cdata = cache.cover(book_id)
if cdata:
im = Image()
im.load(cdata)
im.trim(tweaks['cover_trim_fuzz_value'])
cdata = im.export('jpg')
cache.set_cover({book_id:cdata})
elif args.cover_action == 'clone':
cdata = None
for book_id in self.ids:
cdata = cache.cover(book_id)
if cdata:
break
if cdata:
cache.set_cover({bid:cdata for bid in self.ids if bid != book_id})
# Formats
if args.do_remove_format:
cache.remove_formats({bid:(args.remove_format,) for bid in self.ids})
if args.restore_original:
for book_id in self.ids:
formats = cache.formats(book_id)
originals = tuple(x.upper() for x in formats if x.upper().startswith('ORIGINAL_'))
for ofmt in originals:
cache.restore_original_format(book_id, ofmt)
# Various fields
if args.rating != -1:
cache.set_field('rating', {bid:args.rating*2 for bid in self.ids})
if args.clear_pub:
cache.set_field('publisher', {bid:'' for bid in self.ids})
if args.pub:
cache.set_field('publisher', {bid:args.pub for bid in self.ids})
if args.clear_series:
cache.set_field('series', {bid:'' for bid in self.ids})
if args.pubdate is not None:
cache.set_field('pubdate', {bid:args.pubdate for bid in self.ids})
if args.adddate is not None:
cache.set_field('timestamp', {bid:args.adddate for bid in self.ids})
if args.do_series:
sval = args.series_start_value if args.do_series_restart else cache.get_next_series_num_for(args.series, current_indices=True)
cache.set_field('series', {bid:args.series for bid in self.ids})
if not args.series:
cache.set_field('series_index', {bid:1.0 for bid in self.ids})
else:
def next_series_num(bid, i):
if args.do_series_restart:
return sval + i
next_num = _get_next_series_num_for_list(sorted(sval.itervalues()), unwrap=False)
sval[bid] = next_num
return next_num
smap = {bid:next_series_num(bid, i) for i, bid in enumerate(self.ids)}
if args.do_autonumber:
cache.set_field('series_index', smap)
elif tweaks['series_index_auto_increment'] != 'no_change':
cache.set_field('series_index', {bid:1.0 for bid in self.ids})
if args.comments is not null:
cache.set_field('comments', {bid:args.comments for bid in self.ids})
if args.do_remove_conv:
cache.delete_conversion_options(self.ids)
if args.clear_languages:
cache.set_field('languages', {bid:() for bid in self.ids})
elif args.languages:
cache.set_field('languages', {bid:args.languages for bid in self.ids})
if args.remove_all:
cache.set_field('tags', {bid:() for bid in self.ids})
if args.add or args.remove:
self.db.bulk_modify_tags(self.ids, add=args.add, remove=args.remove)
if self.do_sr:
for book_id in self.ids:
self.s_r_func(book_id)
if self.sr_calls:
for field, book_id_val_map in self.sr_calls.iteritems():
self.refresh_books.update(self.db.new_api.set_field(field, book_id_val_map))
def do_size_hint(self, option, index):
text = index.data(Qt.DisplayRole) or ''
font = QFont(option.font)
font.setPointSize(QFontInfo(font).pointSize() * 1.5)
m = QFontMetrics(font)
return QSize(m.width(text), m.height())
def __init__(self, parent, old, new):
super(QDialog, self).__init__(parent.gui)
self.db = parent.gui.current_db
self.gui = parent.gui
self._log_location()
layout = QVBoxLayout()
self.setLayout(layout)
header = QLabel(_("Move annotations or change destination?"))
header.setAlignment(Qt.AlignCenter)
header_font = QFont()
header_font.setPointSize(16)
header.setFont(header_font)
layout.addWidget(header)
change_group = QGroupBox("", self)
layout.addWidget(change_group)
self.gl = QGridLayout()
change_group.setLayout(self.gl)
horizontal_line = QFrame(self)
horizontal_line.setGeometry(QRect(0, 0, 1, 3))
horizontal_line.setFrameShape(QFrame.HLine)
horizontal_line.setFrameShadow(QFrame.Raised)
self.gl.addWidget(horizontal_line, 1, 0, 1, 2)
self.move_button = QPushButton(_("Move"))
self.gl.addWidget(self.move_button, 3, 0, 1, 1)
self.move_label = QLabel(
_('<html><head/><body><p>• Move existing annotations from <span style=" font-weight:600;">{old}</span> to <span style=" font-weight:600;">{new}</span>.<br/>• Existing annotations will be removed from <span style=" font-weight:600;">{old}</span>.<br/>• Newly imported annotations will be added to <span style=" font-weight:600;">{new}</span>.</p></body></html>'
))
self.move_label.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.gl.addWidget(self.move_label, 3, 1)
self.gl.addWidget(horizontal_line, 4, 1)
self.change_button = QPushButton(_("Change"))
self.gl.addWidget(self.change_button, 5, 0, 1, 1)
self.change_label = QLabel(
_('<html><head/><body><p>• Change annotations storage from <span style=" font-weight:600;">{old}</span> to <span style=" font-weight:600;">{new}</span>.<br/>• Existing annotations will remain in <span style=" font-weight:600;">{old}</span>.<br/>• Newly imported annotations will be added to <span style=" font-weight:600;">{new}</span>.</p></body></html>'
))
self.change_label.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.gl.addWidget(self.change_label, 5, 1, 1, 1)
self.bb = QDialogButtonBox(QDialogButtonBox.Cancel)
layout.addWidget(self.bb)
# Hook the button events
self.bb.clicked.connect(partial(self.button_clicked, 'cancel'))
self.move_button.clicked.connect(partial(self.button_clicked, 'move'))
self.change_button.clicked.connect(
partial(self.button_clicked, 'change'))
# Customize the dialog text
self.move_label.setText(
str(self.move_label.text()).format(old=old, new=new))
self.change_label.setText(
str(self.change_label.text()).format(old=old, new=new))
self.command = 'cancel'
self.do_resize()
def createproxyTestPanel(self):
self.buttonCheckProxy = QPushButton(
self.translate("proxyTestPanel", "Check..."), self)
labelproxyhostName = QLabel(
self.translate("proxyTestPanel", "Proxy Host Name: "), self)
self.lineEditproxyHostName = QLineEdit(self.proxyhostName)
labelPort = QLabel(self.translate("proxyTestPanel", "Port: "), self)
self.spinBoxPort = QSpinBox(self)
self.spinBoxPort.setRange(0, 65535)
self.spinBoxPort.setValue(1080)
hboxPort = QHBoxLayout()
hboxPort.addWidget(labelPort)
hboxPort.addWidget(self.spinBoxPort)
hboxPort.addStretch()
labelTargethostUrl = QLabel(
self.translate("proxyTestPanel", "Target Host Url: "), self)
self.lineEdittargethostUrl = QLineEdit(self.url, self)
labelProxyProtocol = QLabel(
self.translate("proxyTestPanel", "Proxy Protocol: "), self)
radioButtonSocks5 = QRadioButton("Socks5", self)
radioButtonSocks5.setChecked(True)
radioButtonHttp = QRadioButton("Http", self)
self.groupRadioButton = QButtonGroup()
self.groupRadioButton.addButton(radioButtonSocks5)
self.groupRadioButton.addButton(radioButtonHttp)
hboxRadioButtonProxyProtocol = QHBoxLayout()
hboxRadioButtonProxyProtocol.addWidget(radioButtonSocks5)
hboxRadioButtonProxyProtocol.addWidget(radioButtonHttp)
hboxRadioButtonProxyProtocol.addStretch()
labelProxyStatus = QLabel(
self.translate("proxyTestPanel", "Proxy Status: "), self)
labelProxyTimeLag = QLabel(
self.translate("proxyTestPanel", "Proxy Time Lag: "), self)
self.labelproxyStatus = QLabel()
self.labelproxyTimeLag = QLabel()
labelFont = QFont()
labelFont.setPointSize(16)
labelFont.setBold(True)
self.labelproxyStatus.setFont(labelFont)
self.labelproxyTimeLag.setFont(labelFont)
self.palettelabelProxyStatusOK = QPalette()
self.palettelabelProxyStatusOK.setColor(QPalette.WindowText,
QColor(34, 139,
34)) # ##ForestGreen
self.palettelabelProxyStatusFalse = QPalette()
self.palettelabelProxyStatusFalse.setColor(QPalette.WindowText, Qt.red)
self.palettelabelProxyTimeLagForestGreen = QPalette()
self.palettelabelProxyTimeLagForestGreen.setColor(
QPalette.WindowText, QColor(34, 139, 34))
self.palettelabelProxyTimeLagDarkOrange = QPalette()
self.palettelabelProxyTimeLagDarkOrange.setColor(
QPalette.WindowText, QColor(255, 140, 0))
self.palettelabelProxyTimeLagRed = QPalette()
self.palettelabelProxyTimeLagRed.setColor(QPalette.WindowText, Qt.red)
self.textEditProxy = QTextEdit()
self.textEditProxy.setReadOnly(True)
gridBoxProxy = QGridLayout()
gridBoxProxy.addWidget(labelproxyhostName, 0, 0)
gridBoxProxy.addWidget(self.lineEditproxyHostName, 0, 1)
gridBoxProxy.addLayout(hboxPort, 0, 2)
gridBoxProxy.addWidget(labelTargethostUrl, 1, 0)
gridBoxProxy.addWidget(self.lineEdittargethostUrl, 1, 1)
gridBoxProxy.addWidget(labelProxyProtocol, 2, 0)
gridBoxProxy.addLayout(hboxRadioButtonProxyProtocol, 2, 1)
gridBoxProxy.addWidget(labelProxyStatus, 3, 0)
gridBoxProxy.addWidget(self.labelproxyStatus, 3, 1)
gridBoxProxy.addWidget(labelProxyTimeLag, 4, 0)
gridBoxProxy.addWidget(self.labelproxyTimeLag, 4, 1)
hboxButtonCheckProxy = QHBoxLayout()
hboxButtonCheckProxy.addStretch()
hboxButtonCheckProxy.addWidget(self.buttonCheckProxy)
vboxProxy = QVBoxLayout()
vboxProxy.addLayout(gridBoxProxy)
vboxProxy.addWidget(self.textEditProxy)
# vboxProxy.addStretch()
vboxProxy.addLayout(hboxButtonCheckProxy)
self.buttonCheckProxy.clicked.connect(self.onButtonCheckProxy)
self.settingProxyPanel()
self.setLayout(vboxProxy)
def do_size_hint(self, option, index):
text = index.data(Qt.DisplayRole) or ''
font = QFont(option.font)
font.setPointSize(QFontInfo(font).pointSize() * 1.5)
m = QFontMetrics(font)
return QSize(m.width(text), m.height())
class MyApp(QMainWindow):
def __init__(self):
super().__init__()
self.default_font = QFont()
self.default_font.setPointSize(15)
self.scores_1 = 0
self.scores_2 = 0
self.now_move = 1
self.city_now = None
self.city_obj = None
self.city_obj_now = None
self.loader_UI()
def loader_UI(self):
self.setGeometry(300, 300, 600, 600)
self.move_label = QLabel(self)
self.move_label.setGeometry(250, 70, 120, 30)
self.move_label.setFont(self.default_font)
self.move_label.setText(f"Now guess {self.now_move}")
self.label_scores = QLabel(self)
self.label_scores.setFont(self.default_font)
self.label_scores.setText("0:0")
self.label_scores.move(280, 0)
self.cities_list = QComboBox(self)
self.cities_list.currentTextChanged.connect(self.select_city)
self.cities_list.setFont(self.default_font)
self.cities_list.resize(150, 30)
self.cities_list.move(230, 30)
self.cities_list.addItem("")
self.cities_list.addItems(CITIES_DICT.keys())
self.city_obj_pic = QLabel(self)
self.city_obj_pic.move(10, 30)
self.city_obj_pic.resize(*IMAGE_SIZE)
self.city_obj_pic.hide()
self.btn_prev = QPushButton(self, text='<=')
self.btn_prev.clicked.connect(self.switch_img)
self.btn_prev.setGeometry(30, 560, 50, 30)
self.btn_prev.id_btn = 1
self.btn_prev.hide()
self.btn_next = QPushButton(self, text='=>')
self.btn_next.clicked.connect(self.switch_img)
self.btn_next.setGeometry(520, 560, 50, 30)
self.btn_next.id_btn = 2
self.btn_next.hide()
self.edit_answer = QTextEdit(self)
self.edit_answer.setGeometry(245 - 30, 560, 150, 30)
self.edit_answer.hide()
self.btn_check = QPushButton(self, text='Check')
self.btn_check.setGeometry(410 - 30, 560, 50, 30)
self.btn_check.clicked.connect(self.check_ans)
self.btn_check.hide()
def switch_img(self):
id_btn = self.sender().id_btn
if id_btn == 1:
self.city_obj_now -= 1
else:
self.city_obj_now += 1
if self.city_obj_now < 0:
self.city_obj_now = len(self.city_obj) - 1
elif self.city_obj_now == len(self.city_obj):
self.city_obj_now = 0
self.set_obj_picture()
def set_label_scores(self):
self.label_scores.setText(f"{self.scores_1}:{self.scores_2}")
def check_ans(self):
ans = self.edit_answer.toPlainText()
msg = QMessageBox(self)
if ans == self.city_now:
self.add_scores(True)
msg.setText("Correct")
else:
self.add_scores(False)
msg.setText('WRONG')
msg.show()
self.edit_answer.clear()
def add_scores(self, add):
if add is True:
if self.now_move == 1:
self.scores_1 += 1
else:
self.scores_2 += 1
self.now_move = 1 if self.now_move == 2 else 2
self.check_win()
self.set_label_scores()
self.move_label.setGeometry(250, 70, 120, 30)
self.move_label.setText(f"Now guess {self.now_move}")
self.label_scores.show()
self.cities_list.show()
self.city_obj_pic.hide()
self.btn_next.hide()
self.btn_prev.hide()
self.edit_answer.hide()
self.btn_check.hide()
def check_win(self):
if self.scores_1 > MAX_SCORE:
text = 'FIRST'
elif self.scores_2 > MAX_SCORE:
text = 'SECOND'
else:
return False
msg = QMessageBox(self)
msg.setText(text)
msg.setFont(self.default_font)
msg.show()
self.close()
def select_city(self, city):
self.cities_list.setCurrentIndex(0)
if len(city) == 0:
return
self.city_now = city
self.city_obj = CITIES_DICT[city]
random.shuffle(self.city_obj)
self.city_obj_now = 0
self.move_label.setGeometry(250, 0, 120, 30)
self.move_label.setText(f"Now guess {self.now_move}")
self.label_scores.hide()
self.cities_list.hide()
self.city_obj_pic.show()
self.btn_next.show()
self.btn_prev.show()
self.edit_answer.show()
self.btn_check.show()
self.set_obj_picture()
def set_obj_picture(self):
pic = get_map(self.city_obj[self.city_obj_now])
qpix = QPixmap()
qpix.loadFromData(pic)
qpix = qpix.scaled(*IMAGE_SIZE)
self.city_obj_pic.setPixmap(qpix)
