def update_cache(self,
parent=None,
timeout=10,
force=False,
suppress_progress=False):
if self.lock.acquire(False):
try:
update_thread = CacheUpdateThread(self.cache,
self.seralize_books, timeout)
if not suppress_progress:
progress = CacheProgressDialog(parent)
progress.set_message(
_('Updating MobileRead book cache...'))
update_thread.total_changed.connect(progress.set_total)
update_thread.update_progress.connect(
progress.set_progress)
update_thread.update_details.connect(progress.set_details)
progress.rejected.connect(update_thread.abort)
progress.open()
update_thread.start()
while update_thread.is_alive() and not progress.canceled:
QCoreApplication.processEvents()
if progress.isVisible():
progress.accept()
return not progress.canceled
else:
update_thread.start()
finally:
self.lock.release()
def show_shutdown_message(self, message=''):
smw = self.shutdown_message_widget
smw.setGeometry(0, 0, self.width(), self.height())
smw.setVisible(True)
smw.raise_()
smw.setText(_('<h2>Shutting down</h2><div>') + message)
# Force processing the events needed to show the message
QCoreApplication.processEvents()
def chapter_rendered(self, num):
if num > 0:
self.progress_bar.setMinimum(0)
self.progress_bar.setMaximum(num)
self.progress_bar.setValue(0)
self.progress_label.setText('Laying out '+ self.document_title)
else:
self.progress_bar.setValue(self.progress_bar.value()+1)
QCoreApplication.processEvents()
def check_library(self):
from calibre.gui2.dialogs.check_library import CheckLibraryDialog, DBCheck
self.gui.library_view.save_state()
m = self.gui.library_view.model()
m.stop_metadata_backup()
db = m.db
db.prefs.disable_setting = True
library_path = db.library_path
d = DBCheck(self.gui, db)
d.start()
try:
m.close()
except:
pass
d.break_cycles()
self.gui.library_moved(library_path)
if d.rejected:
return
if d.error is None:
if not question_dialog(
self.gui, _('Success'),
_('Found no errors in your calibre library database.'
' Do you want calibre to check if the files in your'
' library match the information in the database?')):
return
else:
return error_dialog(
self.gui,
_('Failed'),
_('Database integrity check failed, click "Show details"'
' for details.'),
show=True,
det_msg=d.error[1])
self.gui.status_bar.show_message(
_('Starting library scan, this may take a while'))
try:
QCoreApplication.processEvents()
d = CheckLibraryDialog(self.gui, m.db)
if not d.do_exec():
info_dialog(
self.gui,
_('No problems found'),
_('The files in your library match the information '
'in the database.'),
show=True)
finally:
self.gui.status_bar.clear_message()
def parsed(self):
if not self.renderer.aborted and self.renderer.lrf is not None:
width, height = self.renderer.lrf.device_info.width, \
self.renderer.lrf.device_info.height
hdelta = self.tool_bar.height() + 3
s = QScrollBar(self)
scrollbar_adjust = min(s.width(), s.height())
self.graphics_view.resize_for(width + scrollbar_adjust,
height + scrollbar_adjust)
desktop = QCoreApplication.instance().desktop()
screen_height = desktop.availableGeometry(self).height() - 25
height = min(screen_height, height + hdelta + scrollbar_adjust)
self.resize(width + scrollbar_adjust, height)
self.setWindowTitle(self.renderer.lrf.metadata.title + ' - ' +
__appname__)
self.document_title = self.renderer.lrf.metadata.title
if self.opts.profile:
import cProfile
lrf = self.renderer.lrf
cProfile.runctx('self.document.render(lrf)', globals(),
locals(), lrf.metadata.title + '.stats')
print('Stats written to',
self.renderer.lrf.metadata.title + '.stats')
else:
start = time.time()
self.document.render(self.renderer.lrf)
print('Layout time:', time.time() - start, 'seconds')
self.renderer.lrf = None
self.graphics_view.setScene(self.document)
self.graphics_view.show()
self.spin_box.setRange(1, self.document.num_of_pages)
self.slider.setRange(1, self.document.num_of_pages)
self.spin_box.setSuffix(' of %d' % (self.document.num_of_pages, ))
self.spin_box.updateGeometry()
self.stack.setCurrentIndex(0)
self.graphics_view.setFocus(Qt.FocusReason.OtherFocusReason)
elif self.renderer.exception is not None:
exception = self.renderer.exception
print('Error rendering document', file=sys.stderr)
print(exception, file=sys.stderr)
print(self.renderer.formatted_traceback, file=sys.stderr)
msg = '<p><b>%s</b>: ' % (exception.__class__.__name__,
) + as_unicode(exception) + '</p>'
msg += '<p>Failed to render document</p>'
msg += '<p>Detailed <b>traceback</b>:<pre>'
msg += self.renderer.formatted_traceback + '</pre>'
d = ConversionErrorDialog(self, 'Error while rendering file', msg)
d.exec_()
def __init__(self, gui, row, toggle_shortcut):
self.is_pane = gprefs.get('quickview_is_pane', False)
if not self.is_pane:
QDialog.__init__(self, gui, flags=Qt.WindowType.Widget)
else:
QDialog.__init__(self, gui)
Ui_Quickview.__init__(self)
self.setupUi(self)
self.isClosed = False
self.current_book = None
self.closed_by_button = False
if self.is_pane:
self.main_grid_layout.setContentsMargins(0, 0, 0, 0)
else:
self.setWindowIcon(self.windowIcon())
self.books_table_column_widths = None
try:
self.books_table_column_widths = \
gprefs.get('quickview_dialog_books_table_widths', None)
if not self.is_pane:
geom = gprefs.get('quickview_dialog_geometry', None)
if geom:
QApplication.instance().safe_restore_geometry(
self, QByteArray(geom))
except:
pass
self.view = gui.library_view
self.db = self.view.model().db
self.gui = gui
self.is_closed = False
self.current_book_id = None # the db id of the book used to fill the lh pane
self.current_column = None # current logical column in books list
self.current_key = None # current lookup key in books list
self.last_search = None
self.no_valid_items = False
self.follow_library_view = True
self.apply_vls.setCheckState(
Qt.CheckState.Checked if gprefs['qv_respects_vls'] else Qt.
CheckState.Unchecked)
self.apply_vls.stateChanged.connect(self.vl_box_changed)
self.fm = self.db.field_metadata
self.items.setSelectionMode(
QAbstractItemView.SelectionMode.SingleSelection)
self.items.currentTextChanged.connect(self.item_selected)
self.items.setProperty('highlight_current_item', 150)
self.items.itemDoubleClicked.connect(self.item_doubleclicked)
self.items.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
self.items.customContextMenuRequested.connect(
self.show_item_context_menu)
focus_filter = WidgetFocusFilter(self.items)
focus_filter.focus_entered_signal.connect(self.focus_entered)
self.items.installEventFilter(focus_filter)
self.tab_pressed_signal.connect(self.tab_pressed)
return_filter = BooksTableFilter(self.books_table)
return_filter.return_pressed_signal.connect(self.return_pressed)
self.books_table.installEventFilter(return_filter)
focus_filter = WidgetFocusFilter(self.books_table)
focus_filter.focus_entered_signal.connect(self.focus_entered)
self.books_table.installEventFilter(focus_filter)
self.close_button.clicked.connect(self.close_button_clicked)
self.refresh_button.clicked.connect(self.refill)
self.tab_order_widgets = [
self.items, self.books_table, self.lock_qv, self.dock_button,
self.refresh_button, self.close_button
]
for idx, widget in enumerate(self.tab_order_widgets):
widget.installEventFilter(
WidgetTabFilter(widget, idx, self.tab_pressed_signal))
self.books_table.setSelectionBehavior(
QAbstractItemView.SelectionBehavior.SelectRows)
self.books_table.setSelectionMode(
QAbstractItemView.SelectionMode.SingleSelection)
self.books_table.setProperty('highlight_current_item', 150)
# Set up the books table columns
self.add_columns_to_widget()
self.books_table_header_height = self.books_table.height()
self.books_table.cellDoubleClicked.connect(self.book_doubleclicked)
self.books_table.currentCellChanged.connect(
self.books_table_cell_changed)
self.books_table.cellClicked.connect(
self.books_table_set_search_string)
self.books_table.cellActivated.connect(
self.books_table_set_search_string)
self.books_table.sortByColumn(0, Qt.SortOrder.AscendingOrder)
# get the standard table row height. Do this here because calling
# resizeRowsToContents can word wrap long cell contents, creating
# double-high rows
self.books_table.setRowCount(1)
self.books_table.setItem(0, 0, TableItem())
self.books_table.resizeRowsToContents()
self.books_table_row_height = self.books_table.rowHeight(0)
self.books_table.setRowCount(0)
# Add the data
self.refresh(row)
self.slave_timers = [QTimer(self), QTimer(self), QTimer(self)]
self.view.clicked.connect(
partial(self.delayed_slave, func=self.slave, dex=0))
self.view.selectionModel().currentColumnChanged.connect(
partial(self.delayed_slave, func=self.column_slave, dex=1))
QCoreApplication.instance().aboutToQuit.connect(self.save_state)
self.view.model().new_bookdisplay_data.connect(
partial(self.delayed_slave, func=self.book_was_changed, dex=2))
self.close_button.setDefault(False)
self.close_button_tooltip = _(
'The Quickview shortcut ({0}) shows/hides the Quickview panel')
self.refresh_button.setIcon(QIcon.ic('view-refresh.png'))
self.close_button.setIcon(self.style().standardIcon(
QStyle.StandardPixmap.SP_DialogCloseButton))
if self.is_pane:
self.dock_button.setText(_('Undock'))
self.dock_button.setToolTip(
_('Show the Quickview panel in its own floating window'))
self.dock_button.setIcon(QIcon(I('arrow-up.png')))
# Remove the ampersands from the buttons because shortcuts exist.
self.lock_qv.setText(_('Lock Quickview contents'))
self.refresh_button.setText(_('Refresh'))
self.gui.quickview_splitter.add_quickview_dialog(self)
self.close_button.setVisible(False)
else:
self.dock_button.setToolTip(
_('Embed the Quickview panel into the main calibre window'))
self.dock_button.setIcon(QIcon(I('arrow-down.png')))
self.set_focus()
self.books_table.horizontalHeader().sectionResized.connect(
self.section_resized)
self.dock_button.clicked.connect(self.show_as_pane_changed)
self.view.model().search_done.connect(self.check_for_no_items)
# Enable the refresh button only when QV is locked
self.refresh_button.setEnabled(False)
self.lock_qv.stateChanged.connect(self.lock_qv_changed)
self.view_icon = QIcon(I('view.png'))
self.view_plugin = self.gui.iactions['View']
self.edit_metadata_icon = QIcon(I('edit_input.png'))
self.quickview_icon = QIcon(I('quickview.png'))
self.select_book_icon = QIcon(I('library.png'))
self.search_icon = QIcon(I('search.png'))
self.books_table.setContextMenuPolicy(
Qt.ContextMenuPolicy.CustomContextMenu)
self.books_table.customContextMenuRequested.connect(
self.show_context_menu)
# Add the quickview toggle as a shortcut for the close button
# Don't add it if it identical to the current &X shortcut because that
# breaks &X
if (not self.is_pane and toggle_shortcut
and self.close_button.shortcut() != toggle_shortcut):
toggle_sc = QShortcut(toggle_shortcut, self.close_button)
toggle_sc.activated.connect(lambda: self.close_button_clicked())
toggle_sc.setEnabled(True)
self.close_button.setToolTip(
_('Alternate shortcut: ') + toggle_shortcut.toString())
def sizeHint(self):
desktop = QCoreApplication.instance().desktop()
geom = desktop.availableGeometry(self)
nh, nw = max(300, geom.height() - 100), max(400, geom.width() - 70)
return QSize(nw, nh)
def initialization_failed(self):
print('Catastrophic failure initializing GUI, bailing out...')
QCoreApplication.exit(1)
raise SystemExit(1)
def __init__(self, parent, dbspec, ids, db):
import re
from PyQt5.uic import compileUi
from calibre import prints as info
QDialog.__init__(self, parent)
self.setupUi(self)
self.dbspec, self.ids = dbspec, ids
# Display the number of books we've been passed
self.count.setText(unicode_type(self.count.text()).format(len(ids)))
# Display the last-used title
self.title.setText(
dynamic.get('catalog_last_used_title', _('My books')))
self.fmts, self.widgets = [], []
for plugin in catalog_plugins():
if plugin.name in config['disabled_plugins']:
continue
name = plugin.name.lower().replace(' ', '_')
if getattr(plugin, 'installation_type',
None) is PluginInstallationType.BUILTIN:
try:
catalog_widget = importlib.import_module(
'calibre.gui2.catalog.' + name)
pw = catalog_widget.PluginWidget()
pw.parent_ref = weakref.ref(self)
pw.initialize(name, db)
pw.ICON = I('forward.png')
self.widgets.append(pw)
[
self.fmts.append(
[file_type.upper(), pw.sync_enabled, pw])
for file_type in plugin.file_types
]
except ImportError:
info("ImportError initializing %s" % name)
continue
else:
# Load dynamic tab
form = os.path.join(plugin.resources_path, '%s.ui' % name)
klass = os.path.join(plugin.resources_path, '%s.py' % name)
compiled_form = os.path.join(plugin.resources_path,
'%s_ui.py' % name)
if os.path.exists(form) and os.path.exists(klass):
# info("Adding widget for user-installed Catalog plugin %s" % plugin.name)
# Compile the .ui form provided in plugin.zip
if not os.path.exists(compiled_form):
from polyglot.io import PolyglotStringIO
# info('\tCompiling form', form)
buf = PolyglotStringIO()
compileUi(form, buf)
dat = buf.getvalue()
dat = re.compile(
r'QtGui.QApplication.translate\(.+?,\s+"(.+?)(?<!\\)",.+?\)',
re.DOTALL).sub(r'_("\1")', dat)
open(compiled_form, 'wb').write(dat.encode('utf-8'))
# Import the dynamic PluginWidget() from .py file provided in plugin.zip
try:
sys.path.insert(0, plugin.resources_path)
catalog_widget = importlib.import_module(name)
pw = catalog_widget.PluginWidget()
pw.initialize(name)
pw.ICON = I('forward.png')
self.widgets.append(pw)
[
self.fmts.append(
[file_type.upper(), pw.sync_enabled, pw])
for file_type in plugin.file_types
]
except ImportError:
info("ImportError with %s" % name)
continue
finally:
sys.path.remove(plugin.resources_path)
else:
info("No dynamic tab resources found for %s" % name)
self.widgets = sorted(self.widgets, key=lambda x: x.TITLE)
# Generate a sorted list of installed catalog formats/sync_enabled pairs
fmts = sorted((x[0] for x in self.fmts))
self.sync_enabled_formats = []
for fmt in self.fmts:
if fmt[1]:
self.sync_enabled_formats.append(fmt[0])
# Callbacks when format, title changes
self.format.currentIndexChanged.connect(self.format_changed)
self.format.currentIndexChanged.connect(self.settings_changed)
self.title.editingFinished.connect(self.settings_changed)
# Add the installed catalog format list to the format QComboBox
self.format.blockSignals(True)
self.format.addItems(fmts)
pref = dynamic.get('catalog_preferred_format', 'CSV')
idx = self.format.findText(pref)
if idx > -1:
self.format.setCurrentIndex(idx)
self.format.blockSignals(False)
if self.sync.isEnabled():
self.sync.setChecked(dynamic.get('catalog_sync_to_device', True))
self.add_to_library.setChecked(
dynamic.get('catalog_add_to_library', True))
self.format.currentIndexChanged.connect(self.show_plugin_tab)
self.buttonBox.button(
QDialogButtonBox.StandardButton.Apply).clicked.connect(self.apply)
self.buttonBox.button(
QDialogButtonBox.StandardButton.Help).clicked.connect(self.help)
self.show_plugin_tab(None)
geom = dynamic.get('catalog_window_geom', None)
if geom is not None:
QApplication.instance().safe_restore_geometry(self, bytes(geom))
else:
self.resize(self.sizeHint())
d = QCoreApplication.instance().desktop()
g = d.availableGeometry(d.screenNumber(self))
self.setMaximumWidth(g.width() - 50)
self.setMaximumHeight(g.height() - 50)
def no_more_jobs(self):
if self.is_running:
self.stop()
QCoreApplication.instance().alert(self, 5000)
def __init__(self, parent, view, row, link_delegate):
QDialog.__init__(self, parent)
self.marked = None
self.gui = parent
self.splitter = QSplitter(self)
self._l = l = QVBoxLayout(self)
self.setLayout(l)
l.addWidget(self.splitter)
self.cover = Cover(self, show_size=gprefs['bd_overlay_cover_size'])
self.cover.resizeEvent = self.cover_view_resized
self.cover.cover_changed.connect(self.cover_changed)
self.cover.open_with_requested.connect(self.open_with)
self.cover.choose_open_with_requested.connect(self.choose_open_with)
self.cover_pixmap = None
self.cover.sizeHint = self.details_size_hint
self.splitter.addWidget(self.cover)
self.details = Details(parent.book_details.book_info, self)
self.details.anchor_clicked.connect(self.on_link_clicked)
self.link_delegate = link_delegate
self.details.setAttribute(Qt.WidgetAttribute.WA_OpaquePaintEvent,
False)
palette = self.details.palette()
self.details.setAcceptDrops(False)
palette.setBrush(QPalette.ColorRole.Base, Qt.GlobalColor.transparent)
self.details.setPalette(palette)
self.c = QWidget(self)
self.c.l = l2 = QGridLayout(self.c)
l2.setContentsMargins(0, 0, 0, 0)
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))
self.hl = hl = QHBoxLayout()
hl.setContentsMargins(0, 0, 0, 0)
l2.addLayout(hl, l2.rowCount(), 0, 1, -1)
hl.addWidget(self.fit_cover), hl.addStretch()
self.clabel = QLabel(
'<div style="text-align: right"><a href="calibre:conf" title="{}" style="text-decoration: none">{}</a>'
.format(_('Configure this view'), _('Configure')))
self.clabel.linkActivated.connect(self.configure)
hl.addWidget(self.clabel)
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.path_to_book = None
self.current_row = None
self.refresh(row)
self.view.model().new_bookdisplay_data.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_type(self.ns.key().toString(
QKeySequence.SequenceFormat.NativeText)))
self.previous_button.setToolTip(
_('Previous [%s]') % unicode_type(self.ps.key().toString(
QKeySequence.SequenceFormat.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:
QApplication.instance().safe_restore_geometry(
self, saved_layout[0])
self.splitter.restoreState(saved_layout[1])
except Exception:
pass
from calibre.gui2.ui import get_gui
ema = get_gui().iactions['Edit Metadata'].menuless_qaction
a = self.ema = QAction('edit metadata', self)
a.setShortcut(ema.shortcut())
self.addAction(a)
a.triggered.connect(self.edit_metadata)