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