def _load_ebook_worker(self, pathtoebook, open_at, reload_book):
try:
ans = prepare_book(pathtoebook,
force=reload_book,
prepare_notify=self.prepare_notify)
except WorkerError as e:
if not sip.isdeleted(self):
self.book_prepared.emit(False, {
'exception': e,
'tb': e.orig_tb,
'pathtoebook': pathtoebook
})
except Exception as e:
import traceback
if not sip.isdeleted(self):
self.book_prepared.emit(
False, {
'exception': e,
'tb': traceback.format_exc(),
'pathtoebook': pathtoebook
})
else:
performance_monitor('prepared emitted')
if not sip.isdeleted(self):
self.book_prepared.emit(
True, {
'base': ans,
'pathtoebook': pathtoebook,
'open_at': open_at,
'reloaded': reload_book
})
def get_themes(self):
self.usage = {}
def get_usage():
try:
self.usage = json.loads(
bz2.decompress(
get_https_resource_securely(BASE_URL +
'/usage.json.bz2')))
except Exception:
import traceback
traceback.print_exc()
t = Thread(name='IconThemeUsage', target=get_usage)
t.daemon = True
t.start()
try:
self.themes = json.loads(
bz2.decompress(
get_https_resource_securely(BASE_URL +
'/themes.json.bz2')))
except Exception:
import traceback
self.themes = traceback.format_exc()
t.join()
if not sip.isdeleted(self):
self.themes_downloaded.emit()
def about_to_show(self):
if sip.isdeleted(self.clone):
return
cm = self.clone.menu()
if cm is None:
return
before = list(QMenu.actions(cm))
cm.aboutToShow.emit()
after = list(QMenu.actions(cm))
if before != after:
self.clone_menu()
def set_editor_data(self, name, editor):
if sip.isdeleted(editor):
return
editor.setText(name)
ext_pos = name.rfind('.')
slash_pos = name.rfind('/')
if slash_pos == -1 and ext_pos > 0:
editor.setSelection(0, ext_pos)
elif ext_pos > -1 and slash_pos > -1 and ext_pos > slash_pos + 1:
editor.setSelection(slash_pos+1, ext_pos - slash_pos - 1)
else:
editor.selectAll()
def render(self):
self.current_tdir = os.path.join(self.tdir, str(self.first))
self.error = None
try:
os.mkdir(self.current_tdir)
page_images(self.pdfpath, self.current_tdir, first=self.first, last=self.first + PAGES_PER_RENDER - 1)
except Exception as e:
if self.covers.count():
pass
else:
self.error = as_unicode(e)
if not sip.isdeleted(self) and self.isVisible():
self.rendering_done.emit()
def send_reply(rq, mime_type, data):
if sip.isdeleted(rq):
return
# make the buf a child of rq so that it is automatically deleted when
# rq is deleted
buf = QBuffer(parent=rq)
buf.open(QIODevice.OpenModeFlag.WriteOnly)
# we have to copy data into buf as it will be garbage
# collected by python
buf.write(data)
buf.seek(0)
buf.close()
rq.reply(mime_type.encode('ascii'), buf)
def finalize(shortcuts, custom_keys_map={}): # {{{
'''
Resolve conflicts and assign keys to every action in shortcuts, which must
be a OrderedDict. User specified mappings of unique names to keys (as a
list of strings) should be passed in in custom_keys_map. Return a mapping
of unique names to resolved keys. Also sets the set_to_default member
correctly for each shortcut.
'''
seen, keys_map = {}, {}
for unique_name, shortcut in iteritems(shortcuts):
custom_keys = custom_keys_map.get(unique_name, None)
if custom_keys is None:
candidates = shortcut['default_keys']
shortcut['set_to_default'] = True
else:
candidates = custom_keys
shortcut['set_to_default'] = False
keys = []
for x in candidates:
ks = QKeySequence(x, QKeySequence.SequenceFormat.PortableText)
x = unicode_type(
ks.toString(QKeySequence.SequenceFormat.PortableText))
if x in seen:
if DEBUG:
prints('Key %r for shortcut %s is already used by'
' %s, ignoring' %
(x, shortcut['name'], seen[x]['name']))
keys_map[unique_name] = ()
continue
seen[x] = shortcut
keys.append(ks)
keys = tuple(keys)
keys_map[unique_name] = keys
ac = shortcut['action']
if ac is None or sip.isdeleted(ac):
if ac is not None and DEBUG:
prints('Shortcut %r has a deleted action' % unique_name)
continue
ac.setShortcuts(list(keys))
return keys_map
def printing_done(self, pdf_data):
self.working = False
if not sip.isdeleted(self):
self.work_done.emit(self, bytes(pdf_data))
def safe_delete(x):
if not sip.isdeleted(x):
sip.delete(x)
def callback(metadata, x):
if not sip.isdeleted(dialog) and not dialog.dialog_closed:
dialog.cover_downloaded.emit(metadata, x)
def eventFilter(self, obj, e):
'Redirect key presses from the popup to the widget'
widget = self.parent()
if widget is None or sip.isdeleted(widget):
return False
etype = e.type()
if obj is not self:
return QObject.eventFilter(self, obj, e)
# self.debug_event(e)
if etype == QEvent.Type.KeyPress:
try:
key = e.key()
except AttributeError:
return QObject.eventFilter(self, obj, e)
if key == Qt.Key.Key_Escape:
self.hide()
e.accept()
return True
if key == Qt.Key.Key_F4 and e.modifiers(
) & Qt.KeyboardModifier.AltModifier:
self.hide()
e.accept()
return True
if key in (Qt.Key.Key_Enter, Qt.Key.Key_Return):
# We handle this explicitly because on OS X activated() is
# not emitted on pressing Enter.
idx = self.currentIndex()
if idx.isValid():
self.item_chosen(idx)
self.hide()
e.accept()
return True
if key == Qt.Key.Key_Tab:
idx = self.currentIndex()
if idx.isValid():
self.item_chosen(idx)
self.hide()
elif self.model().rowCount() > 0:
self.next_match()
e.accept()
return True
if key in (Qt.Key.Key_PageUp, Qt.Key.Key_PageDown):
# Let the list view handle these keys
return False
if key in (Qt.Key.Key_Up, Qt.Key.Key_Down):
self.next_match(previous=key == Qt.Key.Key_Up)
e.accept()
return True
# Send to widget
widget.eat_focus_out = False
widget.keyPressEvent(e)
widget.eat_focus_out = True
if not widget.hasFocus():
# Widget lost focus hide the popup
self.hide()
if e.isAccepted():
return True
elif ismacos and etype == QEvent.Type.InputMethodQuery and e.queries(
) == (Qt.InputMethodQuery.ImHints
| Qt.InputMethodQuery.ImEnabled) and self.isVisible():
# In Qt 5 the Esc key causes this event and the line edit does not
# handle it, which causes the parent dialog to be closed
# See https://bugreports.qt-project.org/browse/QTBUG-41806
e.accept()
return True
elif etype == QEvent.Type.MouseButtonPress and hasattr(
e, 'globalPos') and not self.rect().contains(
self.mapFromGlobal(e.globalPos())):
# A click outside the popup, close it
if isinstance(widget, QComboBox):
# This workaround is needed to ensure clicking on the drop down
# arrow of the combobox closes the popup
opt = QStyleOptionComboBox()
widget.initStyleOption(opt)
sc = widget.style().hitTestComplexControl(
QStyle.ComplexControl.CC_ComboBox, opt,
widget.mapFromGlobal(e.globalPos()), widget)
if sc == QStyle.SubControl.SC_ComboBoxArrow:
QTimer.singleShot(0, self.hide)
e.accept()
return True
self.hide()
e.accept()
return True
elif etype in (QEvent.Type.InputMethod, QEvent.Type.ShortcutOverride):
QApplication.sendEvent(widget, e)
return False
def host_widget(self):
ans = self._host_widget
if ans is not None and not sip.isdeleted(ans):
return ans
def rewrap_button(w):
if not sip.isdeleted(w) and w.defaultAction() is not None:
w.setText(wrap_button_text(w.defaultAction().text()))
def do_trigger(self, checked=False):
if not sip.isdeleted(self.clone):
self.clone.trigger()