class ImageView(QWidget, ImageDropMixin): # {{{
BORDER_WIDTH = 1
cover_changed = pyqtSignal(object)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self._pixmap = QPixmap(self)
self.setMinimumSize(QSize(150, 200))
ImageDropMixin.__init__(self)
self.draw_border = True
def setPixmap(self, pixmap):
if not isinstance(pixmap, QPixmap):
raise TypeError('Must use a QPixmap')
self._pixmap = pixmap
self.updateGeometry()
self.update()
def pixmap(self):
return self._pixmap
def sizeHint(self):
if self._pixmap.isNull():
return self.minimumSize()
return self._pixmap.size()
def paintEvent(self, event):
QWidget.paintEvent(self, event)
pmap = self._pixmap
if pmap.isNull():
return
w, h = pmap.width(), pmap.height()
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(nw, nh, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
w, h = pmap.width(), pmap.height()
x = int(abs(cw - w) / 2.)
y = int(abs(ch - h) / 2.)
target = QRect(x, y, w, h)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
p.drawPixmap(target, pmap)
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
if self.draw_border:
p.drawRect(target)
#p.drawRect(self.rect())
p.end()
class ImageView(QWidget, ImageDropMixin): # {{{
BORDER_WIDTH = 1
cover_changed = pyqtSignal(object)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self._pixmap = QPixmap(self)
self.setMinimumSize(QSize(150, 200))
ImageDropMixin.__init__(self)
self.draw_border = True
def setPixmap(self, pixmap):
if not isinstance(pixmap, QPixmap):
raise TypeError('Must use a QPixmap')
self._pixmap = pixmap
self.updateGeometry()
self.update()
def pixmap(self):
return self._pixmap
def sizeHint(self):
if self._pixmap.isNull():
return self.minimumSize()
return self._pixmap.size()
def paintEvent(self, event):
QWidget.paintEvent(self, event)
pmap = self._pixmap
if pmap.isNull():
return
w, h = pmap.width(), pmap.height()
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(nw, nh, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
w, h = pmap.width(), pmap.height()
x = int(abs(cw - w)/2.)
y = int(abs(ch - h)/2.)
target = QRect(x, y, w, h)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
p.drawPixmap(target, pmap)
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
if self.draw_border:
p.drawRect(target)
#p.drawRect(self.rect())
p.end()
class CoverView(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.current_pixmap_size = QSize(0, 0)
self.pixmap = QPixmap()
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
def set_pixmap(self, data):
self.pixmap.loadFromData(data)
self.current_pixmap_size = self.pixmap.size()
self.update()
def paintEvent(self, event):
if self.pixmap.isNull():
return
canvas_size = self.rect()
width = self.current_pixmap_size.width()
extrax = canvas_size.width() - width
if extrax < 0:
extrax = 0
x = int(extrax / 2.)
height = self.current_pixmap_size.height()
extray = canvas_size.height() - height
if extray < 0:
extray = 0
y = int(extray / 2.)
target = QRect(x, y, min(canvas_size.width(), width),
min(canvas_size.height(), height))
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
p.drawPixmap(
target,
self.pixmap.scaled(target.size(), Qt.KeepAspectRatio,
Qt.SmoothTransformation))
p.end()
def sizeHint(self):
return QSize(300, 400)
class CoverView(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.current_pixmap_size = QSize(0, 0)
self.pixmap = QPixmap()
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
def set_pixmap(self, data):
self.pixmap.loadFromData(data)
self.current_pixmap_size = self.pixmap.size()
self.update()
def paintEvent(self, event):
if self.pixmap.isNull():
return
canvas_size = self.rect()
width = self.current_pixmap_size.width()
extrax = canvas_size.width() - width
if extrax < 0:
extrax = 0
x = int(extrax/2.)
height = self.current_pixmap_size.height()
extray = canvas_size.height() - height
if extray < 0:
extray = 0
y = int(extray/2.)
target = QRect(x, y, min(canvas_size.width(), width), min(canvas_size.height(), height))
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
p.drawPixmap(target, self.pixmap.scaled(target.size(),
Qt.KeepAspectRatio, Qt.SmoothTransformation))
p.end()
def sizeHint(self):
return QSize(300, 400)
class BookInfo(QDialog):
closed = pyqtSignal(object)
def __init__(self, parent, view, row, link_delegate):
QDialog.__init__(self, parent)
self.normal_brush = QBrush(Qt.white)
self.marked_brush = QBrush(Qt.lightGray)
self.marked = None
self.gui = parent
self.splitter = QSplitter(self)
self._l = l = QVBoxLayout(self)
self.setLayout(l)
l.addWidget(self.splitter)
self.cover = CoverView(self)
self.cover.resizeEvent = self.cover_view_resized
self.cover.cover_changed.connect(self.cover_changed)
self.cover_pixmap = None
self.cover.sizeHint = self.details_size_hint
self.splitter.addWidget(self.cover)
self.details = QWebView(self)
self.details.sizeHint = self.details_size_hint
self.details.page().setLinkDelegationPolicy(
self.details.page().DelegateAllLinks)
self.details.linkClicked.connect(self.link_clicked)
self.css = css()
self.link_delegate = link_delegate
self.details.setAttribute(Qt.WA_OpaquePaintEvent, False)
palette = self.details.palette()
self.details.setAcceptDrops(False)
palette.setBrush(QPalette.Base, Qt.transparent)
self.details.page().setPalette(palette)
self.c = QWidget(self)
self.c.l = l2 = QGridLayout(self.c)
self.c.setLayout(l2)
l2.addWidget(self.details, 0, 0, 1, -1)
self.splitter.addWidget(self.c)
self.fit_cover = QCheckBox(_('Fit &cover within view'), self)
self.fit_cover.setChecked(
gprefs.get('book_info_dialog_fit_cover', True))
l2.addWidget(self.fit_cover, l2.rowCount(), 0, 1, -1)
self.previous_button = QPushButton(QIcon(I('previous.png')),
_('&Previous'), self)
self.previous_button.clicked.connect(self.previous)
l2.addWidget(self.previous_button, l2.rowCount(), 0)
self.next_button = QPushButton(QIcon(I('next.png')), _('&Next'), self)
self.next_button.clicked.connect(self.next)
l2.addWidget(self.next_button, l2.rowCount() - 1, 1)
self.view = view
self.current_row = None
self.refresh(row)
self.view.selectionModel().currentChanged.connect(self.slave)
self.fit_cover.stateChanged.connect(self.toggle_cover_fit)
self.ns = QShortcut(QKeySequence('Alt+Right'), self)
self.ns.activated.connect(self.next)
self.ps = QShortcut(QKeySequence('Alt+Left'), self)
self.ps.activated.connect(self.previous)
self.next_button.setToolTip(
_('Next [%s]') %
unicode(self.ns.key().toString(QKeySequence.NativeText)))
self.previous_button.setToolTip(
_('Previous [%s]') %
unicode(self.ps.key().toString(QKeySequence.NativeText)))
geom = QCoreApplication.instance().desktop().availableGeometry(self)
screen_height = geom.height() - 100
screen_width = geom.width() - 100
self.resize(max(int(screen_width / 2), 700), screen_height)
saved_layout = gprefs.get('book_info_dialog_layout', None)
if saved_layout is not None:
try:
self.restoreGeometry(saved_layout[0])
self.splitter.restoreState(saved_layout[1])
except Exception:
pass
def link_clicked(self, qurl):
link = unicode(qurl.toString())
self.link_delegate(link)
def done(self, r):
saved_layout = (bytearray(self.saveGeometry()),
bytearray(self.splitter.saveState()))
gprefs.set('book_info_dialog_layout', saved_layout)
ret = QDialog.done(self, r)
self.view.selectionModel().currentChanged.disconnect(self.slave)
self.view = self.link_delegate = self.gui = None
self.closed.emit(self)
return ret
def cover_changed(self, data):
if self.current_row is not None:
id_ = self.view.model().id(self.current_row)
self.view.model().db.set_cover(id_, data)
if self.gui.cover_flow:
self.gui.cover_flow.dataChanged()
ci = self.view.currentIndex()
if ci.isValid():
self.view.model().current_changed(ci, ci)
self.cover_pixmap = QPixmap()
self.cover_pixmap.loadFromData(data)
if self.fit_cover.isChecked():
self.resize_cover()
def details_size_hint(self):
return QSize(350, 550)
def toggle_cover_fit(self, state):
gprefs.set('book_info_dialog_fit_cover', self.fit_cover.isChecked())
self.resize_cover()
def cover_view_resized(self, event):
QTimer.singleShot(1, self.resize_cover)
def slave(self, current, previous):
if current.row() != previous.row():
row = current.row()
self.refresh(row)
def move(self, delta=1):
self.view.selectionModel().currentChanged.disconnect(self.slave)
try:
idx = self.view.currentIndex()
if idx.isValid():
m = self.view.model()
ni = m.index(idx.row() + delta, idx.column())
if ni.isValid():
self.view.setCurrentIndex(ni)
self.refresh(ni.row())
if self.view.isVisible():
self.view.scrollTo(ni)
finally:
self.view.selectionModel().currentChanged.connect(self.slave)
def next(self):
self.move()
def previous(self):
self.move(-1)
def resize_cover(self):
if self.cover_pixmap is None:
return
pixmap = self.cover_pixmap
if self.fit_cover.isChecked():
scaled, new_width, new_height = fit_image(
pixmap.width(), pixmap.height(),
self.cover.size().width() - 10,
self.cover.size().height() - 10)
if scaled:
pixmap = pixmap.scaled(new_width, new_height,
Qt.KeepAspectRatio,
Qt.SmoothTransformation)
self.cover.set_pixmap(pixmap)
self.update_cover_tooltip()
def update_cover_tooltip(self):
tt = ''
if self.marked:
tt = _('This book is marked') if self.marked in {
True, 'true'
} else _('This book is marked as: %s') % self.marked
tt += '\n\n'
if self.cover_pixmap is not None:
sz = self.cover_pixmap.size()
tt += _('Cover size: %(width)d x %(height)d') % dict(
width=sz.width(), height=sz.height())
self.cover.setToolTip(tt)
def refresh(self, row):
if isinstance(row, QModelIndex):
row = row.row()
if row == self.current_row:
return
mi = self.view.model().get_book_display_info(row)
if mi is None:
# Indicates books was deleted from library, or row numbers have
# changed
return
self.previous_button.setEnabled(False if row == 0 else True)
self.next_button.setEnabled(False if row ==
self.view.model().rowCount(QModelIndex()) -
1 else True)
self.current_row = row
self.setWindowTitle(mi.title)
self.cover_pixmap = QPixmap.fromImage(mi.cover_data[1])
self.resize_cover()
html = render_html(mi, self.css, True, self, all_fields=True)
self.details.setHtml(html)
self.marked = mi.marked
self.cover.setBackgroundBrush(
self.marked_brush if mi.marked else self.normal_brush)
self.update_cover_tooltip()
class ImageView(QWidget, ImageDropMixin): # {{{
BORDER_WIDTH = 1
cover_changed = pyqtSignal(object)
def __init__(self, parent=None, show_size_pref_name=None, default_show_size=False):
QWidget.__init__(self, parent)
self.show_size_pref_name = ('show_size_on_cover_' + show_size_pref_name) if show_size_pref_name else None
self._pixmap = QPixmap(self)
self.setMinimumSize(QSize(150, 200))
ImageDropMixin.__init__(self)
self.draw_border = True
self.show_size = False
if self.show_size_pref_name:
self.show_size = gprefs.get(self.show_size_pref_name, default_show_size)
def setPixmap(self, pixmap):
if not isinstance(pixmap, QPixmap):
raise TypeError('Must use a QPixmap')
self._pixmap = pixmap
self.updateGeometry()
self.update()
def build_context_menu(self):
m = ImageDropMixin.build_context_menu(self)
if self.show_size_pref_name:
text = _('Hide size in corner') if self.show_size else _('Show size in corner')
m.addAction(text, self.toggle_show_size)
return m
def toggle_show_size(self):
self.show_size ^= True
if self.show_size_pref_name:
gprefs[self.show_size_pref_name] = self.show_size
self.update()
def pixmap(self):
return self._pixmap
def sizeHint(self):
if self._pixmap.isNull():
return self.minimumSize()
return self._pixmap.size()
def paintEvent(self, event):
QWidget.paintEvent(self, event)
pmap = self._pixmap
if pmap.isNull():
return
w, h = pmap.width(), pmap.height()
ow, oh = w, h
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(nw, nh, Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
w, h = pmap.width(), pmap.height()
x = int(abs(cw - w)/2.)
y = int(abs(ch - h)/2.)
target = QRect(x, y, w, h)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
p.drawPixmap(target, pmap)
if self.draw_border:
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
p.drawRect(target)
if self.show_size:
sztgt = target.adjusted(0, 0, 0, -4)
f = p.font()
f.setBold(True)
p.setFont(f)
sz = u'\u00a0%d x %d\u00a0'%(ow, oh)
flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
szrect = p.boundingRect(sztgt, flags, sz)
p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
p.setPen(QPen(QColor(255,255,255)))
p.drawText(sztgt, flags, sz)
p.end()
class BookInfo(QDialog):
closed = pyqtSignal(object)
def __init__(self, parent, view, row, link_delegate):
QDialog.__init__(self, parent)
self.normal_brush = QBrush(Qt.white)
self.marked_brush = QBrush(Qt.lightGray)
self.marked = None
self.gui = parent
self.splitter = QSplitter(self)
self._l = l = QVBoxLayout(self)
self.setLayout(l)
l.addWidget(self.splitter)
self.cover = CoverView(self)
self.cover.resizeEvent = self.cover_view_resized
self.cover.cover_changed.connect(self.cover_changed)
self.cover_pixmap = None
self.cover.sizeHint = self.details_size_hint
self.splitter.addWidget(self.cover)
self.details = QWebView(self)
self.details.sizeHint = self.details_size_hint
self.details.page().setLinkDelegationPolicy(self.details.page().DelegateAllLinks)
self.details.linkClicked.connect(self.link_clicked)
s = self.details.page().settings()
s.setAttribute(s.JavascriptEnabled, False)
self.css = css()
self.link_delegate = link_delegate
self.details.setAttribute(Qt.WA_OpaquePaintEvent, False)
palette = self.details.palette()
self.details.setAcceptDrops(False)
palette.setBrush(QPalette.Base, Qt.transparent)
self.details.page().setPalette(palette)
self.c = QWidget(self)
self.c.l = l2 = QGridLayout(self.c)
self.c.setLayout(l2)
l2.addWidget(self.details, 0, 0, 1, -1)
self.splitter.addWidget(self.c)
self.fit_cover = QCheckBox(_('Fit &cover within view'), self)
self.fit_cover.setChecked(gprefs.get('book_info_dialog_fit_cover', True))
l2.addWidget(self.fit_cover, l2.rowCount(), 0, 1, -1)
self.previous_button = QPushButton(QIcon(I('previous.png')), _('&Previous'), self)
self.previous_button.clicked.connect(self.previous)
l2.addWidget(self.previous_button, l2.rowCount(), 0)
self.next_button = QPushButton(QIcon(I('next.png')), _('&Next'), self)
self.next_button.clicked.connect(self.next)
l2.addWidget(self.next_button, l2.rowCount() - 1, 1)
self.view = view
self.current_row = None
self.refresh(row)
self.view.selectionModel().currentChanged.connect(self.slave)
self.fit_cover.stateChanged.connect(self.toggle_cover_fit)
self.ns = QShortcut(QKeySequence('Alt+Right'), self)
self.ns.activated.connect(self.next)
self.ps = QShortcut(QKeySequence('Alt+Left'), self)
self.ps.activated.connect(self.previous)
self.next_button.setToolTip(_('Next [%s]')%
unicode(self.ns.key().toString(QKeySequence.NativeText)))
self.previous_button.setToolTip(_('Previous [%s]')%
unicode(self.ps.key().toString(QKeySequence.NativeText)))
geom = QCoreApplication.instance().desktop().availableGeometry(self)
screen_height = geom.height() - 100
screen_width = geom.width() - 100
self.resize(max(int(screen_width/2), 700), screen_height)
saved_layout = gprefs.get('book_info_dialog_layout', None)
if saved_layout is not None:
try:
self.restoreGeometry(saved_layout[0])
self.splitter.restoreState(saved_layout[1])
except Exception:
pass
def link_clicked(self, qurl):
link = unicode(qurl.toString())
self.link_delegate(link)
def done(self, r):
saved_layout = (bytearray(self.saveGeometry()), bytearray(self.splitter.saveState()))
gprefs.set('book_info_dialog_layout', saved_layout)
ret = QDialog.done(self, r)
self.view.selectionModel().currentChanged.disconnect(self.slave)
self.view = self.link_delegate = self.gui = None
self.closed.emit(self)
return ret
def cover_changed(self, data):
if self.current_row is not None:
id_ = self.view.model().id(self.current_row)
self.view.model().db.set_cover(id_, data)
if self.gui.cover_flow:
self.gui.cover_flow.dataChanged()
ci = self.view.currentIndex()
if ci.isValid():
self.view.model().current_changed(ci, ci)
self.cover_pixmap = QPixmap()
self.cover_pixmap.loadFromData(data)
if self.fit_cover.isChecked():
self.resize_cover()
def details_size_hint(self):
return QSize(350, 550)
def toggle_cover_fit(self, state):
gprefs.set('book_info_dialog_fit_cover', self.fit_cover.isChecked())
self.resize_cover()
def cover_view_resized(self, event):
QTimer.singleShot(1, self.resize_cover)
def slave(self, current, previous):
if current.row() != previous.row():
row = current.row()
self.refresh(row)
def move(self, delta=1):
self.view.selectionModel().currentChanged.disconnect(self.slave)
try:
idx = self.view.currentIndex()
if idx.isValid():
m = self.view.model()
ni = m.index(idx.row() + delta, idx.column())
if ni.isValid():
self.view.setCurrentIndex(ni)
self.refresh(ni.row())
if self.view.isVisible():
self.view.scrollTo(ni)
finally:
self.view.selectionModel().currentChanged.connect(self.slave)
def next(self):
self.move()
def previous(self):
self.move(-1)
def resize_cover(self):
if self.cover_pixmap is None:
return
pixmap = self.cover_pixmap
if self.fit_cover.isChecked():
scaled, new_width, new_height = fit_image(pixmap.width(),
pixmap.height(), self.cover.size().width()-10,
self.cover.size().height()-10)
if scaled:
pixmap = pixmap.scaled(new_width, new_height,
Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.cover.set_pixmap(pixmap)
self.update_cover_tooltip()
def update_cover_tooltip(self):
tt = ''
if self.marked:
tt = _('This book is marked') if self.marked in {True, 'true'} else _(
'This book is marked as: %s') % self.marked
tt += '\n\n'
if self.cover_pixmap is not None:
sz = self.cover_pixmap.size()
tt += _('Cover size: %(width)d x %(height)d')%dict(width=sz.width(), height=sz.height())
self.cover.setToolTip(tt)
def refresh(self, row):
if isinstance(row, QModelIndex):
row = row.row()
if row == self.current_row:
return
mi = self.view.model().get_book_display_info(row)
if mi is None:
# Indicates books was deleted from library, or row numbers have
# changed
return
self.previous_button.setEnabled(False if row == 0 else True)
self.next_button.setEnabled(False if row == self.view.model().rowCount(QModelIndex())-1 else True)
self.current_row = row
self.setWindowTitle(mi.title)
self.cover_pixmap = QPixmap.fromImage(mi.cover_data[1])
self.resize_cover()
html = render_html(mi, self.css, True, self, all_fields=True)
self.details.setHtml(html)
self.marked = mi.marked
self.cover.setBackgroundBrush(self.marked_brush if mi.marked else self.normal_brush)
self.update_cover_tooltip()
class ImageView(QWidget, ImageDropMixin): # {{{
BORDER_WIDTH = 1
cover_changed = pyqtSignal(object)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self._pixmap = QPixmap(self)
self.setMinimumSize(QSize(150, 200))
ImageDropMixin.__init__(self)
self.draw_border = True
self.show_size = False
def setPixmap(self, pixmap):
if not isinstance(pixmap, QPixmap):
raise TypeError("Must use a QPixmap")
self._pixmap = pixmap
self.updateGeometry()
self.update()
def pixmap(self):
return self._pixmap
def sizeHint(self):
if self._pixmap.isNull():
return self.minimumSize()
return self._pixmap.size()
def paintEvent(self, event):
QWidget.paintEvent(self, event)
pmap = self._pixmap
if pmap.isNull():
return
w, h = pmap.width(), pmap.height()
ow, oh = w, h
cw, ch = self.rect().width(), self.rect().height()
scaled, nw, nh = fit_image(w, h, cw, ch)
if scaled:
pmap = pmap.scaled(nw, nh, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
w, h = pmap.width(), pmap.height()
x = int(abs(cw - w) / 2.0)
y = int(abs(ch - h) / 2.0)
target = QRect(x, y, w, h)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
p.drawPixmap(target, pmap)
if self.draw_border:
pen = QPen()
pen.setWidth(self.BORDER_WIDTH)
p.setPen(pen)
p.drawRect(target)
if self.show_size:
sztgt = target.adjusted(0, 0, 0, -4)
f = p.font()
f.setBold(True)
p.setFont(f)
sz = u"\u00a0%d x %d\u00a0" % (ow, oh)
flags = Qt.AlignBottom | Qt.AlignRight | Qt.TextSingleLine
szrect = p.boundingRect(sztgt, flags, sz)
p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
p.setPen(QPen(QColor(255, 255, 255)))
p.drawText(sztgt, flags, sz)
p.end()
