class RevealBar(QWidget): # {{{
def __init__(self, parent):
QWidget.__init__(self, parent)
self.setVisible(False)
self._animated_size = 1.0
self.animation = QPropertyAnimation(self, b'animated_size', self)
self.animation.setEasingCurve(QEasingCurve.Type.Linear)
self.animation.setDuration(1000), self.animation.setStartValue(0.0), self.animation.setEndValue(1.0)
self.animation.valueChanged.connect(self.animation_value_changed)
self.animation.finished.connect(self.animation_done)
@pyqtProperty(float)
def animated_size(self):
return self._animated_size
@animated_size.setter
def animated_size(self, val):
self._animated_size = val
def animation_value_changed(self, *args):
self.update()
def animation_done(self):
self.setVisible(False)
self.update()
def start(self, bar):
self.setGeometry(bar.geometry())
self.setVisible(True)
self.animation.start()
def paintEvent(self, ev):
if self._animated_size < 1.0:
rect = self.rect()
painter = QPainter(self)
pal = self.palette()
col = pal.color(QPalette.ColorRole.Button)
rect.setLeft(rect.left() + int(rect.width() * self._animated_size))
painter.setClipRect(rect)
painter.fillRect(self.rect(), col)
class CoverView(QWidget): # {{{
cover_changed = pyqtSignal(object, object)
cover_removed = pyqtSignal(object)
open_cover_with = pyqtSignal(object, object)
search_internet = 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, b'current_pixmap_size', self)
self.animation.setEasingCurve(QEasingCurve(QEasingCurve.Type.OutExpo))
self.animation.setDuration(1000)
self.animation.setStartValue(QSize(0, 0))
self.animation.valueChanged.connect(self.value_changed)
self.setSizePolicy(
QSizePolicy.Policy.Expanding if vertical else QSizePolicy.Policy.Minimum,
QSizePolicy.Policy.Expanding)
self.default_pixmap = QPixmap(I('default_cover.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.RenderHint.Antialiasing | QPainter.RenderHint.SmoothPixmapTransform)
try:
dpr = self.devicePixelRatioF()
except AttributeError:
dpr = self.devicePixelRatio()
spmap = self.pixmap.scaled(target.size() * dpr, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation)
spmap.setDevicePixelRatio(dpr)
p.drawPixmap(target, spmap)
if gprefs['bd_overlay_cover_size']:
sztgt = target.adjusted(0, 0, 0, -4)
f = p.font()
f.setBold(True)
p.setFont(f)
sz = '\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
flags = Qt.AlignmentFlag.AlignBottom|Qt.AlignmentFlag.AlignRight|Qt.TextFlag.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'))
save = cm.addAction(_('Save cover to disk'))
remove = cm.addAction(_('Remove cover'))
gc = cm.addAction(_('Generate cover from metadata'))
cm.addSeparator()
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)
gc.triggered.connect(self.generate_cover)
save.triggered.connect(self.save_cover)
create_open_cover_with_menu(self, cm)
cm.si = m = create_search_internet_menu(self.search_internet.emit)
cm.addMenu(m)
cm.exec_(ev.globalPos())
def open_with(self, entry):
id_ = self.data.get('id', None)
if id_ is not None:
self.open_cover_with.emit(id_, entry)
def choose_open_with(self):
from calibre.gui2.open_with import choose_program
entry = choose_program('cover_image', self)
if entry is not None:
self.open_with(entry)
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(QClipboard.Mode.Selection)
if not pmap.isNull():
self.update_cover(pmap)
def save_cover(self):
from calibre.gui2.ui import get_gui
book_id = self.data.get('id')
db = get_gui().current_db.new_api
path = choose_save_file(
self, 'save-cover-from-book-details', _('Choose cover save location'),
filters=[(_('JPEG images'), ['jpg', 'jpeg'])], all_files=False,
initial_filename='{}.jpeg'.format(sanitize_file_name(db.field_for('title', book_id, default_value='cover')))
)
if path:
db.copy_cover_to(book_id, path)
def update_cover(self, pmap=None, cdata=None):
if pmap is None:
pmap = QPixmap()
pmap.loadFromData(cdata)
if pmap.isNull():
return
if pmap.hasAlphaChannel():
pmap = QPixmap.fromImage(blend_image(image_from_x(pmap)))
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_, cdata or pixmap_to_data(pmap))
def generate_cover(self, *args):
book_id = self.data.get('id')
if book_id is None:
return
from calibre.gui2.ui import get_gui
mi = get_gui().current_db.new_api.get_metadata(book_id)
if not mi.has_cover or confirm(
_('Are you sure you want to replace the cover? The existing cover will be permanently lost.'), 'book_details_generate_cover'):
from calibre.ebooks.covers import generate_cover
cdata = generate_cover(mi)
self.update_cover(cdata=cdata)
def remove_cover(self):
if not confirm_delete(
_('Are you sure you want to delete the cover permanently?'),
'book-details-confirm-cover-remove', parent=self):
return
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 the Book details window') +
'<br><br>' + _('Path') + ': ' + current_path +
'<br><br>' + _('Cover size: %(width)d x %(height)d pixels')%dict(
width=sz.width(), height=sz.height())
)
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, b"geometry", self)
self.animation.setDuration(750)
self.animation.setLoopCount(2)
self.animation.setEasingCurve(QEasingCurve.Type.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.ColorGroup.Active,
QPalette.ColorRole.WindowText)
self.color = QColor(c)
self.color.setAlpha(100)
self.brush = QBrush(self.color, Qt.BrushStyle.SolidPattern)
# from qt.core 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(QAbstractAnimation.Direction.Backward)
num_keys = 100
for i in range(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(QPainter.RenderHint.Antialiasing)
p.setBrush(self.brush)
p.setPen(Qt.PenStyle.NoPen)
p.drawPath(self.arrow_path)
p.end()
class CoverDelegate(QStyledItemDelegate):
MARGIN = 4
TOP, LEFT, RIGHT, BOTTOM = object(), object(), object(), object()
@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, b'animated_size', self)
self.animation.setEasingCurve(QEasingCurve.Type.OutInCirc)
self.animation.setDuration(500)
self.set_dimensions()
self.cover_cache = CoverCache()
self.render_queue = LifoQueue()
self.animating = None
self.highlight_color = QColor(Qt.GlobalColor.white)
self.rating_font = QFont(rating_font())
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']
self.original_show_emblems = gprefs['show_emblems']
self.orginal_emblem_size = gprefs['emblem_size']
self.orginal_emblem_position = gprefs['emblem_position']
self.emblem_size = gprefs[
'emblem_size'] if self.original_show_emblems else 0
try:
self.gutter_position = getattr(
self, self.orginal_emblem_position.upper())
except Exception:
self.gutter_position = self.TOP
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)
if self.emblem_size > 0:
extra = self.emblem_size + self.MARGIN
self.item_size += QSize(extra, 0) if self.gutter_position in (
self.LEFT, self.RIGHT) else QSize(0, extra)
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):
is_stars = False
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 = rating_to_stars(
val, fm['display'].get('allow_half_stars', False))
is_stars = True
return ('' if ans is None else unicode_type(ans)), is_stars
except Exception:
if DEBUG:
import traceback
traceback.print_exc()
return '', is_stars
def render_emblem(self, book_id, rule, rule_index, cache, mi, db,
formatter, template_cache):
ans = cache[book_id].get(rule, False)
if ans is not False:
return ans, mi
ans = None
if mi is None:
mi = db.get_proxy_metadata(book_id)
ans = formatter.safe_format(rule,
mi,
'',
mi,
column_name='cover_grid%d' % rule_index,
template_cache=template_cache) or None
cache[book_id][rule] = ans
return ans, mi
def cached_emblem(self, cache, name, raw_icon=None):
ans = cache.get(name, False)
if ans is not False:
return ans
sz = self.emblem_size
ans = None
if raw_icon is not None:
ans = raw_icon.pixmap(sz, sz)
elif name == ':ondevice':
ans = QIcon(I('ok.png')).pixmap(sz, sz)
elif name:
pmap = QIcon(os.path.join(config_dir, 'cc_icons',
name)).pixmap(sz, sz)
if not pmap.isNull():
ans = pmap
cache[name] = ans
return ans
def paint(self, painter, option, index):
QStyledItemDelegate.paint(
self, painter, option,
empty_index) # 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.RenderHint.Antialiasing, True)
painter.drawRoundedRect(option.rect, 10, 10,
Qt.SizeMode.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)
emblem_rules = db.pref('cover_grid_icon_rules', default=())
emblems = []
if self.emblem_size > 0:
mi = None
for i, (kind, column, rule) in enumerate(emblem_rules):
icon_name, mi = self.render_emblem(book_id, rule, i,
m.cover_grid_emblem_cache,
mi, db, m.formatter,
m.cover_grid_template_cache)
if icon_name is not None:
for one_icon in filter(None,
(i.strip()
for i in icon_name.split(':'))):
pixmap = self.cached_emblem(m.cover_grid_bitmap_cache,
one_icon)
if pixmap is not None:
emblems.append(pixmap)
if marked:
emblems.insert(
0,
self.cached_emblem(m.cover_grid_bitmap_cache, ':marked',
m.marked_icon))
if on_device:
emblems.insert(
0,
self.cached_emblem(m.cover_grid_bitmap_cache, ':ondevice'))
painter.save()
right_adjust = 0
try:
rect = option.rect
rect.adjust(self.MARGIN, self.MARGIN, -self.MARGIN, -self.MARGIN)
if self.emblem_size > 0:
self.paint_emblems(painter, rect, emblems)
orect = QRect(rect)
trect = QRect(rect)
if self.title_height != 0:
rect.setBottom(rect.bottom() - self.title_height)
trect.setTop(trect.bottom() - self.title_height + 5)
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.RenderHint.TextAntialiasing,
True)
painter.drawText(
rect,
Qt.AlignmentFlag.AlignCenter | Qt.TextFlag.TextWordWrap,
'%s\n\n%s' % (title, authors))
if cdata is False:
self.render_queue.put(book_id)
if self.title_height != 0:
self.paint_title(painter, trect, db, book_id)
else:
if self.animating is not None and self.animating.row(
) == index.row():
cdata = cdata.scaled(cdata.size() * self._animated_size)
dpr = cdata.devicePixelRatio()
cw, ch = int(cdata.width() / dpr), int(cdata.height() / dpr)
dx = max(0, int((rect.width() - cw) / 2.0))
dy = max(0, int((rect.height() - ch) / 2.0))
right_adjust = dx
rect.adjust(dx, dy, -dx, -dy)
painter.drawPixmap(rect, cdata)
if self.title_height != 0:
self.paint_title(painter, trect, db, book_id)
if self.emblem_size > 0:
return # We dont draw embossed emblems as the ondevice/marked emblems are drawn in the gutter
if marked:
try:
p = self.marked_emblem
except AttributeError:
p = self.marked_emblem = m.marked_icon.pixmap(48, 48)
self.paint_embossed_emblem(p, painter, orect, right_adjust)
if on_device:
try:
p = self.on_device_emblem
except AttributeError:
p = self.on_device_emblem = QIcon(I('ok.png')).pixmap(
48, 48)
self.paint_embossed_emblem(p,
painter,
orect,
right_adjust,
left=False)
finally:
painter.restore()
def paint_title(self, painter, rect, db, book_id):
painter.setRenderHint(QPainter.RenderHint.TextAntialiasing, True)
title, is_stars = self.render_field(db, book_id)
if is_stars:
painter.setFont(self.rating_font)
metrics = painter.fontMetrics()
painter.setPen(self.highlight_color)
painter.drawText(
rect, Qt.AlignmentFlag.AlignCenter | Qt.TextFlag.TextSingleLine,
metrics.elidedText(title, Qt.TextElideMode.ElideRight,
rect.width()))
def paint_emblems(self, painter, rect, emblems):
gutter = self.emblem_size + self.MARGIN
grect = QRect(rect)
gpos = self.gutter_position
if gpos is self.TOP:
grect.setBottom(grect.top() + gutter)
rect.setTop(rect.top() + gutter)
elif gpos is self.BOTTOM:
grect.setTop(grect.bottom() - gutter + self.MARGIN)
rect.setBottom(rect.bottom() - gutter)
elif gpos is self.LEFT:
grect.setRight(grect.left() + gutter)
rect.setLeft(rect.left() + gutter)
else:
grect.setLeft(grect.right() - gutter + self.MARGIN)
rect.setRight(rect.right() - gutter)
horizontal = gpos in (self.TOP, self.BOTTOM)
painter.save()
painter.setClipRect(grect)
try:
for i, emblem in enumerate(emblems):
delta = 0 if i == 0 else self.emblem_size + self.MARGIN
grect.moveLeft(grect.left() +
delta) if horizontal else grect.moveTop(
grect.top() + delta)
rect = QRect(grect)
rect.setWidth(int(emblem.width() /
emblem.devicePixelRatio())), rect.setHeight(
int(emblem.height() /
emblem.devicePixelRatio()))
painter.drawPixmap(rect, emblem)
finally:
painter.restore()
def paint_embossed_emblem(self,
pixmap,
painter,
orect,
right_adjust,
left=True):
drect = QRect(orect)
pw = int(pixmap.width() / pixmap.devicePixelRatio())
ph = int(pixmap.height() / pixmap.devicePixelRatio())
if left:
drect.setLeft(drect.left() + right_adjust)
drect.setRight(drect.left() + pw)
else:
drect.setRight(drect.right() - right_adjust)
drect.setLeft(drect.right() - pw + 1)
drect.setBottom(drect.bottom() - self.title_height)
drect.setTop(drect.bottom() - ph)
painter.drawPixmap(drect, pixmap)
@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.Type.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