class CoverDelegate(QStyledItemDelegate):
MARGIN = 4
@pyqtProperty(float)
def animated_size(self):
return self._animated_size
@animated_size.setter
def animated_size(self, val):
self._animated_size = val
def __init__(self, parent):
super(CoverDelegate, self).__init__(parent)
self._animated_size = 1.0
self.animation = QPropertyAnimation(self, 'animated_size', self)
self.animation.setEasingCurve(QEasingCurve.OutInCirc)
self.animation.setDuration(500)
self.set_dimensions()
self.cover_cache = CoverCache(limit=gprefs['cover_grid_cache_size'])
self.render_queue = LifoQueue()
self.animating = None
self.highlight_color = QColor(Qt.white)
def set_dimensions(self):
width = self.original_width = gprefs['cover_grid_width']
height = self.original_height = gprefs['cover_grid_height']
self.original_show_title = show_title = gprefs['cover_grid_show_title']
if height < 0.1:
height = auto_height(self.parent())
else:
height *= self.parent().logicalDpiY() * CM_TO_INCH
if width < 0.1:
width = 0.75 * height
else:
width *= self.parent().logicalDpiX() * CM_TO_INCH
self.cover_size = QSize(width, height)
self.title_height = 0
if show_title:
f = self.parent().font()
sz = f.pixelSize()
if sz < 5:
sz = f.pointSize() * self.parent().logicalDpiY() / 72.0
self.title_height = max(25, sz + 10)
self.item_size = self.cover_size + QSize(
2 * self.MARGIN, (2 * self.MARGIN) + self.title_height)
self.calculate_spacing()
self.animation.setStartValue(1.0)
self.animation.setKeyValueAt(0.5, 0.5)
self.animation.setEndValue(1.0)
def calculate_spacing(self):
spc = self.original_spacing = gprefs['cover_grid_spacing']
if spc < 0.01:
self.spacing = max(10, min(50, int(0.1 * self.original_width)))
else:
self.spacing = self.parent().logicalDpiX() * CM_TO_INCH * spc
def sizeHint(self, option, index):
return self.item_size
def render_field(self, db, book_id):
try:
field = db.pref('field_under_covers_in_grid', 'title')
if field == 'size':
ans = human_readable(
db.field_for(field, book_id, default_value=0))
else:
mi = db.get_proxy_metadata(book_id)
display_name, ans, val, fm = mi.format_field_extended(field)
if fm and fm['datatype'] == 'rating':
ans = u'\u2605' * int(val / 2.0) if val is not None else ''
return '' if ans is None else unicode(ans)
except Exception:
if DEBUG:
import traceback
traceback.print_exc()
return ''
def paint(self, painter, option, index):
QStyledItemDelegate.paint(
self, painter, option,
QModelIndex()) # draw the hover and selection highlights
m = index.model()
db = m.db
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return
if book_id in m.ids_to_highlight_set:
painter.save()
try:
painter.setPen(self.highlight_color)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(option.rect, 10, 10, Qt.RelativeSize)
finally:
painter.restore()
marked = db.data.get_marked(book_id)
db = db.new_api
cdata = self.cover_cache[book_id]
device_connected = self.parent().gui.device_connected is not None
on_device = device_connected and db.field_for('ondevice', book_id)
painter.save()
right_adjust = 0
try:
rect = option.rect
rect.adjust(self.MARGIN, self.MARGIN, -self.MARGIN, -self.MARGIN)
orect = QRect(rect)
if cdata is None or cdata is False:
title = db.field_for('title', book_id, default_value='')
authors = ' & '.join(
db.field_for('authors', book_id, default_value=()))
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.drawText(rect, Qt.AlignCenter | Qt.TextWordWrap,
'%s\n\n%s' % (title, authors))
if cdata is False:
self.render_queue.put(book_id)
else:
if self.title_height != 0:
trect = QRect(rect)
rect.setBottom(rect.bottom() - self.title_height)
if self.animating is not None and self.animating.row(
) == index.row():
cdata = cdata.scaled(cdata.size() * self._animated_size)
dx = max(0, int((rect.width() - cdata.width()) / 2.0))
dy = max(0, rect.height() - cdata.height())
right_adjust = dx
rect.adjust(dx, dy, -dx, 0)
painter.drawPixmap(rect, cdata)
if self.title_height != 0:
rect = trect
rect.setTop(rect.bottom() - self.title_height + 5)
painter.setRenderHint(QPainter.TextAntialiasing, True)
title = self.render_field(db, book_id)
metrics = painter.fontMetrics()
painter.setPen(self.highlight_color)
painter.drawText(
rect, Qt.AlignCenter | Qt.TextSingleLine,
metrics.elidedText(title, Qt.ElideRight, rect.width()))
if marked:
try:
p = self.marked_emblem
except AttributeError:
p = self.marked_emblem = m.marked_icon.pixmap(48, 48)
drect = QRect(orect)
drect.setLeft(drect.left() + right_adjust)
drect.setRight(drect.left() + p.width())
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - p.height())
painter.drawPixmap(drect, p)
if on_device:
try:
p = self.on_device_emblem
except AttributeError:
p = self.on_device_emblem = QPixmap(I('ok.png')).scaled(
48, 48, transformMode=Qt.SmoothTransformation)
drect = QRect(orect)
drect.setRight(drect.right() - right_adjust)
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - p.height() + 1)
drect.setLeft(drect.right() - p.width() + 1)
painter.drawPixmap(drect, p)
finally:
painter.restore()
@pyqtSlot(QHelpEvent,
QAbstractItemView,
QStyleOptionViewItem,
QModelIndex,
result=bool)
def helpEvent(self, event, view, option, index):
if event is not None and view is not None and event.type(
) == QEvent.ToolTip:
try:
db = index.model().db
except AttributeError:
return False
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return False
db = db.new_api
device_connected = self.parent().gui.device_connected
on_device = device_connected is not None and db.field_for(
'ondevice', book_id)
p = prepare_string_for_xml
title = db.field_for('title', book_id)
authors = db.field_for('authors', book_id)
if title and authors:
title = '<b>%s</b>' % ('<br>'.join(wrap(p(title), 120)))
authors = '<br>'.join(wrap(p(' & '.join(authors)), 120))
tt = '%s<br><br>%s' % (title, authors)
series = db.field_for('series', book_id)
if series:
use_roman_numbers = config[
'use_roman_numerals_for_series_number']
val = _(
'Book %(sidx)s of <span class="series_name">%(series)s</span>'
) % dict(sidx=fmt_sidx(db.field_for(
'series_index', book_id),
use_roman=use_roman_numbers),
series=p(series))
tt += '<br><br>' + val
if on_device:
val = _('This book is on the device in %s') % on_device
tt += '<br><br>' + val
QToolTip.showText(event.globalPos(), tt, view)
return True
return False
class CoverDelegate(QStyledItemDelegate):
MARGIN = 4
@pyqtProperty(float)
def animated_size(self):
return self._animated_size
@animated_size.setter
def animated_size(self, val):
self._animated_size = val
def __init__(self, parent):
super(CoverDelegate, self).__init__(parent)
self._animated_size = 1.0
self.animation = QPropertyAnimation(self, 'animated_size', self)
self.animation.setEasingCurve(QEasingCurve.OutInCirc)
self.animation.setDuration(500)
self.set_dimensions()
self.cover_cache = CoverCache(limit=gprefs['cover_grid_cache_size'])
self.render_queue = Queue()
self.animating = None
self.highlight_color = QColor(Qt.white)
def set_dimensions(self):
width = self.original_width = gprefs['cover_grid_width']
height = self.original_height = gprefs['cover_grid_height']
self.original_show_title = show_title = gprefs['cover_grid_show_title']
if height < 0.1:
height = auto_height(self.parent())
else:
height *= self.parent().logicalDpiY() * CM_TO_INCH
if width < 0.1:
width = 0.75 * height
else:
width *= self.parent().logicalDpiX() * CM_TO_INCH
self.cover_size = QSize(width, height)
self.title_height = 0
if show_title:
f = self.parent().font()
sz = f.pixelSize()
if sz < 5:
sz = f.pointSize() * self.parent().logicalDpiY() / 72.0
self.title_height = max(25, sz + 10)
self.item_size = self.cover_size + QSize(2 * self.MARGIN, (2 * self.MARGIN) + self.title_height)
self.calculate_spacing()
self.animation.setStartValue(1.0)
self.animation.setKeyValueAt(0.5, 0.5)
self.animation.setEndValue(1.0)
def calculate_spacing(self):
spc = self.original_spacing = gprefs['cover_grid_spacing']
if spc < 0.01:
self.spacing = max(10, min(50, int(0.1 * self.original_width)))
else:
self.spacing = self.parent().logicalDpiX() * CM_TO_INCH * spc
def sizeHint(self, option, index):
return self.item_size
def paint(self, painter, option, index):
QStyledItemDelegate.paint(self, painter, option, QModelIndex()) # draw the hover and selection highlights
m = index.model()
db = m.db
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return
if book_id in m.ids_to_highlight_set:
painter.save()
try:
painter.setPen(self.highlight_color)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(option.rect, 10, 10, Qt.RelativeSize)
finally:
painter.restore()
marked = db.data.get_marked(book_id)
db = db.new_api
cdata = self.cover_cache[book_id]
device_connected = self.parent().gui.device_connected is not None
on_device = device_connected and db.field_for('ondevice', book_id)
painter.save()
right_adjust = 0
try:
rect = option.rect
rect.adjust(self.MARGIN, self.MARGIN, -self.MARGIN, -self.MARGIN)
orect = QRect(rect)
if cdata is None or cdata is False:
title = db.field_for('title', book_id, default_value='')
authors = ' & '.join(db.field_for('authors', book_id, default_value=()))
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.drawText(rect, Qt.AlignCenter|Qt.TextWordWrap, '%s\n\n%s' % (title, authors))
if cdata is False:
self.render_queue.put(book_id)
else:
if self.title_height != 0:
trect = QRect(rect)
rect.setBottom(rect.bottom() - self.title_height)
if self.animating is not None and self.animating.row() == index.row():
cdata = cdata.scaled(cdata.size() * self._animated_size)
dx = max(0, int((rect.width() - cdata.width())/2.0))
dy = max(0, rect.height() - cdata.height())
right_adjust = dx
rect.adjust(dx, dy, -dx, 0)
painter.drawPixmap(rect, cdata)
if self.title_height != 0:
rect = trect
rect.setTop(rect.bottom() - self.title_height + 5)
painter.setRenderHint(QPainter.TextAntialiasing, True)
title = db.field_for('title', book_id, default_value='')
metrics = painter.fontMetrics()
painter.drawText(rect, Qt.AlignCenter|Qt.TextSingleLine,
metrics.elidedText(title, Qt.ElideRight, rect.width()))
if marked:
try:
p = self.marked_emblem
except AttributeError:
p = self.marked_emblem = QPixmap(I('rating.png')).scaled(48, 48, transformMode=Qt.SmoothTransformation)
drect = QRect(orect)
drect.setLeft(drect.left() + right_adjust)
drect.setRight(drect.left() + p.width())
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - p.height())
painter.drawPixmap(drect, p)
if on_device:
try:
p = self.on_device_emblem
except AttributeError:
p = self.on_device_emblem = QPixmap(I('ok.png')).scaled(48, 48, transformMode=Qt.SmoothTransformation)
drect = QRect(orect)
drect.setRight(drect.right() - right_adjust)
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - p.height() + 1)
drect.setLeft(drect.right() - p.width() + 1)
painter.drawPixmap(drect, p)
finally:
painter.restore()
@pyqtSlot(QHelpEvent, QAbstractItemView, QStyleOptionViewItem, QModelIndex, result=bool)
def helpEvent(self, event, view, option, index):
if event is not None and view is not None and event.type() == QEvent.ToolTip:
try:
db = index.model().db
except AttributeError:
return False
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return False
db = db.new_api
device_connected = self.parent().gui.device_connected
on_device = device_connected is not None and db.field_for('ondevice', book_id)
p = prepare_string_for_xml
title = db.field_for('title', book_id)
authors = db.field_for('authors', book_id)
if title and authors:
title = '<b>%s</b>' % ('<br>'.join(wrap(p(title), 120)))
authors = '<br>'.join(wrap(p(' & '.join(authors)), 120))
tt = '%s<br><br>%s' % (title, authors)
series = db.field_for('series', book_id)
if series:
use_roman_numbers=config['use_roman_numerals_for_series_number']
val = _('Book %(sidx)s of <span class="series_name">%(series)s</span>')%dict(
sidx=fmt_sidx(db.field_for('series_index', book_id), use_roman=use_roman_numbers),
series=p(series))
tt += '<br><br>' + val
if on_device:
val = _('This book is on the device in %s') % on_device
tt += '<br><br>' + val
QToolTip.showText(event.globalPos(), tt, view)
return True
return False
class CoverView(QWidget): # {{{
cover_changed = pyqtSignal(object, object)
cover_removed = pyqtSignal(object)
def __init__(self, vertical, parent=None):
QWidget.__init__(self, parent)
self._current_pixmap_size = QSize(120, 120)
self.vertical = vertical
self.animation = QPropertyAnimation(self, 'current_pixmap_size', self)
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.OutExpo))
self.animation.setDuration(1000)
self.animation.setStartValue(QSize(0, 0))
self.animation.valueChanged.connect(self.value_changed)
self.setSizePolicy(
QSizePolicy.Expanding if vertical else QSizePolicy.Minimum,
QSizePolicy.Expanding)
self.default_pixmap = QPixmap(I('book.png'))
self.pixmap = self.default_pixmap
self.pwidth = self.pheight = None
self.data = {}
self.do_layout()
def value_changed(self, val):
self.update()
def setCurrentPixmapSize(self, val):
self._current_pixmap_size = val
def do_layout(self):
if self.rect().width() == 0 or self.rect().height() == 0:
return
pixmap = self.pixmap
pwidth, pheight = pixmap.width(), pixmap.height()
try:
self.pwidth, self.pheight = fit_image(pwidth, pheight,
self.rect().width(), self.rect().height())[1:]
except:
self.pwidth, self.pheight = self.rect().width()-1, \
self.rect().height()-1
self.current_pixmap_size = QSize(self.pwidth, self.pheight)
self.animation.setEndValue(self.current_pixmap_size)
def show_data(self, data):
self.animation.stop()
same_item = getattr(data, 'id', True) == self.data.get('id', False)
self.data = {'id':data.get('id', None)}
if data.cover_data[1]:
self.pixmap = QPixmap.fromImage(data.cover_data[1])
if self.pixmap.isNull() or self.pixmap.width() < 5 or \
self.pixmap.height() < 5:
self.pixmap = self.default_pixmap
else:
self.pixmap = self.default_pixmap
self.do_layout()
self.update()
if (not same_item and not config['disable_animations'] and
self.isVisible()):
self.animation.start()
def paintEvent(self, event):
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, width, height)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
p.drawPixmap(target, self.pixmap.scaled(target.size(),
Qt.KeepAspectRatio, Qt.SmoothTransformation))
if gprefs['bd_overlay_cover_size']:
sztgt = target.adjusted(0, 0, 0, -4)
f = p.font()
f.setBold(True)
p.setFont(f)
sz = u'\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
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()
current_pixmap_size = pyqtProperty('QSize',
fget=lambda self: self._current_pixmap_size,
fset=setCurrentPixmapSize
)
def contextMenuEvent(self, ev):
cm = QMenu(self)
paste = cm.addAction(_('Paste Cover'))
copy = cm.addAction(_('Copy Cover'))
remove = cm.addAction(_('Remove Cover'))
if not QApplication.instance().clipboard().mimeData().hasImage():
paste.setEnabled(False)
copy.triggered.connect(self.copy_to_clipboard)
paste.triggered.connect(self.paste_from_clipboard)
remove.triggered.connect(self.remove_cover)
cm.exec_(ev.globalPos())
def copy_to_clipboard(self):
QApplication.instance().clipboard().setPixmap(self.pixmap)
def paste_from_clipboard(self, pmap=None):
if not isinstance(pmap, QPixmap):
cb = QApplication.instance().clipboard()
pmap = cb.pixmap()
if pmap.isNull() and cb.supportsSelection():
pmap = cb.pixmap(cb.Selection)
if not pmap.isNull():
self.pixmap = pmap
self.do_layout()
self.update()
self.update_tooltip(getattr(self.parent(), 'current_path', ''))
if not config['disable_animations']:
self.animation.start()
id_ = self.data.get('id', None)
if id_ is not None:
self.cover_changed.emit(id_,
pixmap_to_data(pmap))
def remove_cover(self):
id_ = self.data.get('id', None)
self.pixmap = self.default_pixmap
self.do_layout()
self.update()
if id_ is not None:
self.cover_removed.emit(id_)
def update_tooltip(self, current_path):
try:
sz = self.pixmap.size()
except:
sz = QSize(0, 0)
self.setToolTip(
'<p>'+_('Double-click to open Book Details window') +
'<br><br>' + _('Path') + ': ' + current_path +
'<br><br>' + _('Cover size: %(width)d x %(height)d')%dict(
width=sz.width(), height=sz.height())
)
class CoverView(QWidget):
u"""
TODO: 实现点击图书显示封面的效果(再加一个coverflow的效果就完美了), 看来现在暂时搞不定了
"""
cover_changed = pyqtSignal(object, object)
cover_removed = pyqtSignal(object)
open_cover_width = pyqtSignal(object, object)
def __init__(self, vertical, parent=None):
QWidget.__init__(self, parent)
self._current_pixmap_size = QSize(120, 120)
self.vertical = vertical
self.animation = QPropertyAnimation(self, b'current_pixmap_size', self)
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.OutExpo))
self.animation.setDuration(1000)
self.animation.setStartValue(QSize(0, 0))
# self.animation.valueChanged.connect(self.value_changed)
self.setSizePolicy(
QSizePolicy.Expanding if vertical else QSizePolicy.Minimum,
QSizePolicy.Expanding)
# self.default_pixmap = QPixmap(os.getcwd() + "/src/gui/code Examples/book.icns")
self.default_pixmap = QPixmap(":/back.png")
self.pixmap = self.default_pixmap
self.pwidth = self.pheight = None
self.data = {}
self.do_layout()
def value_changed(self, val):
self.update()
def setCurrentPixmapSize(self, val):
self._current_pixmap_size = val
def do_layout(self):
if self.rect().width() == 0 or self.rect().height() == 0:
return
pixmap = self.pixmap
pwidth, pheight = pixmap.width(), pixmap.height()
try:
self.pwidth, self.pheight = fit_image(pwidth, pheight,
self.rect().width,
self.rect().height())[1:]
except:
self.pwidth, self.pheight = self.rect().width() - 1, self.rect(
).height() - 1
self.current_pixmap_size = QSize(self.pwidth, self.pheight)
self.animation.setEndValue(self.current_pixmap_size)
def show_data(self, current_book):
# self.animation.stop()
# TODO
if False:
pass
else:
self.pixmap = self.default_pixmap
# self.do_layout()
# self.updatte()
# self.animation.start()
current_pixmap_size = pyqtProperty(
'QSize',
fget=lambda self: self._current_pixmap_size,
fset=setCurrentPixmapSize)
def value_changed(self, val):
# self.update()
pass
class CoverView(QWidget): # {{{
cover_changed = pyqtSignal(object, object)
cover_removed = pyqtSignal(object)
def __init__(self, vertical, parent=None):
QWidget.__init__(self, parent)
self._current_pixmap_size = QSize(120, 120)
self.vertical = vertical
self.animation = QPropertyAnimation(self, 'current_pixmap_size', self)
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.OutExpo))
self.animation.setDuration(1000)
self.animation.setStartValue(QSize(0, 0))
self.animation.valueChanged.connect(self.value_changed)
self.setSizePolicy(
QSizePolicy.Expanding if vertical else QSizePolicy.Minimum,
QSizePolicy.Expanding)
self.default_pixmap = QPixmap(I('book.png'))
self.pixmap = self.default_pixmap
self.pwidth = self.pheight = None
self.data = {}
self.do_layout()
def value_changed(self, val):
self.update()
def setCurrentPixmapSize(self, val):
self._current_pixmap_size = val
def do_layout(self):
if self.rect().width() == 0 or self.rect().height() == 0:
return
pixmap = self.pixmap
pwidth, pheight = pixmap.width(), pixmap.height()
try:
self.pwidth, self.pheight = fit_image(pwidth, pheight,
self.rect().width(),
self.rect().height())[1:]
except:
self.pwidth, self.pheight = self.rect().width()-1, \
self.rect().height()-1
self.current_pixmap_size = QSize(self.pwidth, self.pheight)
self.animation.setEndValue(self.current_pixmap_size)
def show_data(self, data):
self.animation.stop()
same_item = getattr(data, 'id', True) == self.data.get('id', False)
self.data = {'id': data.get('id', None)}
if data.cover_data[1]:
self.pixmap = QPixmap.fromImage(data.cover_data[1])
if self.pixmap.isNull() or self.pixmap.width() < 5 or \
self.pixmap.height() < 5:
self.pixmap = self.default_pixmap
else:
self.pixmap = self.default_pixmap
self.do_layout()
self.update()
if (not same_item and not config['disable_animations']
and self.isVisible()):
self.animation.start()
def paintEvent(self, event):
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, width, height)
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
p.drawPixmap(
target,
self.pixmap.scaled(target.size(), Qt.KeepAspectRatio,
Qt.SmoothTransformation))
if gprefs['bd_overlay_cover_size']:
sztgt = target.adjusted(0, 0, 0, -4)
f = p.font()
f.setBold(True)
p.setFont(f)
sz = u'\u00a0%d x %d\u00a0' % (self.pixmap.width(),
self.pixmap.height())
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()
current_pixmap_size = pyqtProperty(
'QSize',
fget=lambda self: self._current_pixmap_size,
fset=setCurrentPixmapSize)
def contextMenuEvent(self, ev):
cm = QMenu(self)
paste = cm.addAction(_('Paste Cover'))
copy = cm.addAction(_('Copy Cover'))
remove = cm.addAction(_('Remove Cover'))
if not QApplication.instance().clipboard().mimeData().hasImage():
paste.setEnabled(False)
copy.triggered.connect(self.copy_to_clipboard)
paste.triggered.connect(self.paste_from_clipboard)
remove.triggered.connect(self.remove_cover)
cm.exec_(ev.globalPos())
def copy_to_clipboard(self):
QApplication.instance().clipboard().setPixmap(self.pixmap)
def paste_from_clipboard(self, pmap=None):
if not isinstance(pmap, QPixmap):
cb = QApplication.instance().clipboard()
pmap = cb.pixmap()
if pmap.isNull() and cb.supportsSelection():
pmap = cb.pixmap(cb.Selection)
if not pmap.isNull():
self.pixmap = pmap
self.do_layout()
self.update()
self.update_tooltip(getattr(self.parent(), 'current_path', ''))
if not config['disable_animations']:
self.animation.start()
id_ = self.data.get('id', None)
if id_ is not None:
self.cover_changed.emit(id_, pixmap_to_data(pmap))
def remove_cover(self):
id_ = self.data.get('id', None)
self.pixmap = self.default_pixmap
self.do_layout()
self.update()
if id_ is not None:
self.cover_removed.emit(id_)
def update_tooltip(self, current_path):
try:
sz = self.pixmap.size()
except:
sz = QSize(0, 0)
self.setToolTip('<p>' + _('Double-click to open Book Details window') +
'<br><br>' + _('Path') + ': ' + current_path +
'<br><br>' + _('Cover size: %(width)d x %(height)d') %
dict(width=sz.width(), height=sz.height()))
class SlideFlip(QWidget):
# API {{{
# In addition the isVisible() and setVisible() methods must be present
def __init__(self, parent):
QWidget.__init__(self, parent)
self.setGeometry(0, 0, 1, 1)
self._current_width = 0
self.before_image = self.after_image = None
self.animation = QPropertyAnimation(self, 'current_width', self)
self.setVisible(False)
self.animation.valueChanged.connect(self.update)
self.animation.finished.connect(self.finished)
self.flip_forwards = True
self.setAttribute(Qt.WA_OpaquePaintEvent)
@property
def running(self):
'True iff animation is currently running'
return self.animation.state() == self.animation.Running
def initialize(self, image, forwards=True):
'''
Initialize the flipper, causes the flipper to show itself displaying
the full `image`.
:param image: The image to display as background
:param forwards: If True flipper will flip forwards, otherwise
backwards
'''
self.flip_forwards = forwards
self.before_image = QPixmap.fromImage(image)
self.after_image = None
self.setGeometry(0, 0, image.width(), image.height())
self.setVisible(True)
def __call__(self, image, duration=0.5):
'''
Start the animation. You must have called :meth:`initialize` first.
:param duration: Animation duration in seconds.
'''
if self.running:
return
self.after_image = QPixmap.fromImage(image)
if self.flip_forwards:
self.animation.setStartValue(image.width())
self.animation.setEndValue(0)
t = self.before_image
self.before_image = self.after_image
self.after_image = t
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.InExpo))
else:
self.animation.setStartValue(0)
self.animation.setEndValue(image.width())
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.OutExpo))
self.animation.setDuration(duration * 1000)
self.animation.start()
# }}}
def finished(self):
self.setVisible(False)
self.before_image = self.after_image = None
def paintEvent(self, ev):
if self.before_image is None:
return
canvas_size = self.rect()
p = QPainter(self)
p.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
p.drawPixmap(canvas_size, self.before_image, self.before_image.rect())
if self.after_image is not None:
width = self._current_width
iw = self.after_image.width()
sh = min(self.after_image.height(), canvas_size.height())
if self.flip_forwards:
source = QRect(max(0, iw - width), 0, width, sh)
else:
source = QRect(0, 0, width, sh)
target = QRect(source)
target.moveLeft(0)
p.drawPixmap(target, self.after_image, source)
p.end()
def set_current_width(self, val):
self._current_width = val
current_width = pyqtProperty('int',
fget=lambda self: self._current_width,
fset=set_current_width)
class Pointer(QWidget):
def __init__(self, gui):
QWidget.__init__(self, gui)
self.setObjectName('jobs_pointer')
self.setVisible(False)
self.resize(100, 80)
self.animation = QPropertyAnimation(self, "geometry", self)
self.animation.setDuration(750)
self.animation.setLoopCount(2)
self.animation.setEasingCurve(QEasingCurve.Linear)
self.animation.finished.connect(self.hide)
taily, heady = 0, 55
self.arrow_path = QPainterPath(QPointF(40, taily))
self.arrow_path.lineTo(40, heady)
self.arrow_path.lineTo(20, heady)
self.arrow_path.lineTo(50, self.height())
self.arrow_path.lineTo(80, heady)
self.arrow_path.lineTo(60, heady)
self.arrow_path.lineTo(60, taily)
self.arrow_path.closeSubpath()
c = self.palette().color(QPalette.Active, QPalette.WindowText)
self.color = QColor(c)
self.color.setAlpha(100)
self.brush = QBrush(self.color, Qt.SolidPattern)
# from PyQt4.Qt import QTimer
# QTimer.singleShot(1000, self.start)
@property
def gui(self):
return self.parent()
def point_at(self, frac):
return (self.path.pointAtPercent(frac).toPoint() -
QPoint(self.rect().center().x(), self.height()))
def rect_at(self, frac):
return QRect(self.point_at(frac), self.size())
def abspos(self, widget):
pos = widget.pos()
parent = widget.parent()
while parent is not self.gui:
pos += parent.pos()
parent = parent.parent()
return pos
def start(self):
if config['disable_animations']:
return
self.setVisible(True)
self.raise_()
end = self.abspos(self.gui.jobs_button)
end = QPointF(end.x() + self.gui.jobs_button.width() / 3.0,
end.y() + 20)
start = QPointF(end.x(), end.y() - 0.5 * self.height())
self.path = QPainterPath(QPointF(start))
self.path.lineTo(end)
self.path.closeSubpath()
self.animation.setStartValue(self.rect_at(0.0))
self.animation.setEndValue(self.rect_at(1.0))
self.animation.setDirection(self.animation.Backward)
num_keys = 100
for i in xrange(1, num_keys):
i /= num_keys
self.animation.setKeyValueAt(i, self.rect_at(i))
self.animation.start()
def paintEvent(self, ev):
p = QPainter(self)
p.setRenderHints(p.Antialiasing)
p.setBrush(self.brush)
p.setPen(Qt.NoPen)
p.drawPath(self.arrow_path)
p.end()
class CoverView(QWidget):
u"""
TODO: 实现点击图书显示封面的效果(再加一个coverflow的效果就完美了), 看来现在暂时搞不定了
"""
cover_changed = pyqtSignal(object, object)
cover_removed = pyqtSignal(object)
open_cover_width = pyqtSignal(object, object)
def __init__(self, vertical, parent=None):
QWidget.__init__(self, parent)
self._current_pixmap_size = QSize(120, 120)
self.vertical = vertical
self.animation = QPropertyAnimation(self, b'current_pixmap_size', self)
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.OutExpo))
self.animation.setDuration(1000)
self.animation.setStartValue(QSize(0, 0))
# self.animation.valueChanged.connect(self.value_changed)
self.setSizePolicy(
QSizePolicy.Expanding if vertical else QSizePolicy.Minimum,
QSizePolicy.Expanding
)
# self.default_pixmap = QPixmap(os.getcwd() + "/src/gui/code Examples/book.icns")
self.default_pixmap = QPixmap(":/back.png")
self.pixmap = self.default_pixmap
self.pwidth = self.pheight = None
self.data = {}
self.do_layout()
def value_changed(self, val):
self.update()
def setCurrentPixmapSize(self, val):
self._current_pixmap_size = val
def do_layout(self):
if self.rect().width() == 0 or self.rect().height() == 0:
return
pixmap = self.pixmap
pwidth, pheight = pixmap.width(), pixmap.height()
try:
self.pwidth, self.pheight = fit_image(pwidth, pheight,
self.rect().width, self.rect().height())[1:]
except:
self.pwidth, self.pheight = self.rect().width()-1, self.rect().height()-1
self.current_pixmap_size = QSize(self.pwidth, self.pheight)
self.animation.setEndValue(self.current_pixmap_size)
def show_data(self, current_book):
# self.animation.stop()
# TODO
if False:
pass
else:
self.pixmap = self.default_pixmap
# self.do_layout()
# self.updatte()
# self.animation.start()
current_pixmap_size = pyqtProperty('QSize', fget=lambda self: self._current_pixmap_size,
fset=setCurrentPixmapSize)
def value_changed(self, val):
# self.update()
pass
class CoverDelegate(QStyledItemDelegate):
MARGIN = 4
@pyqtProperty(float)
def animated_size(self):
return self._animated_size
@animated_size.setter
def animated_size(self, val):
self._animated_size = val
def __init__(self, parent):
super(CoverDelegate, self).__init__(parent)
self._animated_size = 1.0
self.animation = QPropertyAnimation(self, 'animated_size', self)
self.animation.setEasingCurve(QEasingCurve.OutInCirc)
self.animation.setDuration(500)
self.set_dimensions()
self.cover_cache = CoverCache(limit=gprefs['cover_grid_cache_size'])
self.render_queue = Queue()
self.animating = None
self.highlight_color = QColor(Qt.white)
def set_dimensions(self):
width = self.original_width = gprefs['cover_grid_width']
height = self.original_height = gprefs['cover_grid_height']
self.original_show_title = show_title = gprefs['cover_grid_show_title']
if height < 0.1:
height = max(185, QApplication.instance().desktop().availableGeometry(self.parent()).height() / 5.0)
else:
height *= self.parent().logicalDpiY() * CM_TO_INCH
if width < 0.1:
width = 0.75 * height
else:
width *= self.parent().logicalDpiX() * CM_TO_INCH
self.cover_size = QSize(width, height)
self.title_height = 0
if show_title:
f = self.parent().font()
sz = f.pixelSize()
if sz < 5:
sz = f.pointSize() * self.parent().logicalDpiY() / 72.0
self.title_height = max(25, sz + 10)
self.item_size = self.cover_size + QSize(2 * self.MARGIN, (2 * self.MARGIN) + self.title_height)
self.calculate_spacing()
self.animation.setStartValue(1.0)
self.animation.setKeyValueAt(0.5, 0.5)
self.animation.setEndValue(1.0)
def calculate_spacing(self):
spc = self.original_spacing = gprefs['cover_grid_spacing']
if spc < 0.1:
self.spacing = max(10, min(50, int(0.1 * self.original_width)))
else:
self.spacing = self.parent().logicalDpiX() * CM_TO_INCH * spc
def sizeHint(self, option, index):
return self.item_size
def paint(self, painter, option, index):
QStyledItemDelegate.paint(self, painter, option, QModelIndex()) # draw the hover and selection highlights
m = index.model()
db = m.db
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return
if book_id in m.ids_to_highlight_set:
painter.save()
try:
painter.setPen(self.highlight_color)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(option.rect, 10, 10, Qt.RelativeSize)
finally:
painter.restore()
db = db.new_api
cdata = self.cover_cache[book_id]
painter.save()
try:
rect = option.rect
rect.adjust(self.MARGIN, self.MARGIN, -self.MARGIN, -self.MARGIN)
if cdata is None or cdata is False:
title = db.field_for('title', book_id, default_value='')
authors = ' & '.join(db.field_for('authors', book_id, default_value=()))
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.drawText(rect, Qt.AlignCenter|Qt.TextWordWrap, '%s\n\n%s' % (title, authors))
if cdata is False:
self.render_queue.put(book_id)
else:
if self.title_height != 0:
orect = QRect(rect)
rect.setBottom(rect.bottom() - self.title_height)
if self.animating is not None and self.animating.row() == index.row():
cdata = cdata.scaled(cdata.size() * self._animated_size)
dx = max(0, int((rect.width() - cdata.width())/2.0))
dy = max(0, rect.height() - cdata.height())
rect.adjust(dx, dy, -dx, 0)
painter.drawPixmap(rect, cdata)
if self.title_height != 0:
rect = orect
rect.setTop(rect.bottom() - self.title_height + 5)
painter.setRenderHint(QPainter.TextAntialiasing, True)
title = db.field_for('title', book_id, default_value='')
metrics = painter.fontMetrics()
painter.drawText(rect, Qt.AlignCenter|Qt.TextSingleLine,
metrics.elidedText(title, Qt.ElideRight, rect.width()))
finally:
painter.restore()
@pyqtSlot(QHelpEvent, QAbstractItemView, QStyleOptionViewItem, QModelIndex, result=bool)
def helpEvent(self, event, view, option, index):
if event is not None and view is not None and event.type() == QEvent.ToolTip:
try:
db = index.model().db
except AttributeError:
return False
try:
book_id = db.id(index.row())
except (ValueError, IndexError, KeyError):
return False
title = db.new_api.field_for('title', book_id)
authors = db.new_api.field_for('authors', book_id)
if title and authors:
title = '<b>%s</b>' % ('\n'.join(wrap(title, 100)))
authors = '\n'.join(wrap(' & '.join(authors), 100))
QToolTip.showText(event.globalPos(), '%s<br><br>%s' % (title, authors), view)
return True
return False
class Pointer(QWidget):
def __init__(self, gui):
QWidget.__init__(self, gui)
self.setObjectName('jobs_pointer')
self.setVisible(False)
self.resize(100, 80)
self.animation = QPropertyAnimation(self, "geometry", self)
self.animation.setDuration(750)
self.animation.setLoopCount(2)
self.animation.setEasingCurve(QEasingCurve.Linear)
self.animation.finished.connect(self.hide)
taily, heady = 0, 55
self.arrow_path = QPainterPath(QPointF(40, taily))
self.arrow_path.lineTo(40, heady)
self.arrow_path.lineTo(20, heady)
self.arrow_path.lineTo(50, self.height())
self.arrow_path.lineTo(80, heady)
self.arrow_path.lineTo(60, heady)
self.arrow_path.lineTo(60, taily)
self.arrow_path.closeSubpath()
c = self.palette().color(QPalette.Active, QPalette.WindowText)
self.color = QColor(c)
self.color.setAlpha(100)
self.brush = QBrush(self.color, Qt.SolidPattern)
# from PyQt4.Qt import QTimer
# QTimer.singleShot(1000, self.start)
@property
def gui(self):
return self.parent()
def point_at(self, frac):
return (self.path.pointAtPercent(frac).toPoint() -
QPoint(self.rect().center().x(), self.height()))
def rect_at(self, frac):
return QRect(self.point_at(frac), self.size())
def abspos(self, widget):
pos = widget.pos()
parent = widget.parent()
while parent is not self.gui:
pos += parent.pos()
parent = parent.parent()
return pos
def start(self):
if config['disable_animations']:
return
self.setVisible(True)
self.raise_()
end = self.abspos(self.gui.jobs_button)
end = QPointF( end.x() + self.gui.jobs_button.width()/3.0, end.y()+20)
start = QPointF(end.x(), end.y() - 0.5*self.height())
self.path = QPainterPath(QPointF(start))
self.path.lineTo(end)
self.path.closeSubpath()
self.animation.setStartValue(self.rect_at(0.0))
self.animation.setEndValue(self.rect_at(1.0))
self.animation.setDirection(self.animation.Backward)
num_keys = 100
for i in xrange(1, num_keys):
i /= num_keys
self.animation.setKeyValueAt(i, self.rect_at(i))
self.animation.start()
def paintEvent(self, ev):
p = QPainter(self)
p.setRenderHints(p.Antialiasing)
p.setBrush(self.brush)
p.setPen(Qt.NoPen)
p.drawPath(self.arrow_path)
p.end()
