def a(name, text, icon, tb=None, sc_name=None, menu_name=None, popup_mode=QToolButton.MenuButtonPopup): name = 'action_' + name if isinstance(text, QDockWidget): ac = text.toggleViewAction() ac.setIcon(QIcon(I(icon))) else: ac = QAction(QIcon(I(icon)), text, self) setattr(self, name, ac) ac.setObjectName(name) (tb or self.tool_bar).addAction(ac) if sc_name: ac.setToolTip( unicode(ac.text()) + (' [%s]' % _(' or ').join(self.view.shortcuts.get_shortcuts(sc_name)) )) if menu_name is not None: menu_name += '_menu' m = QMenu() setattr(self, menu_name, m) ac.setMenu(m) w = (tb or self.tool_bar).widgetForAction(ac) w.setPopupMode(popup_mode) return ac
class SearchBarButton(LayoutButton): # {{{ def __init__(self, gui): sc = 'Alt+Shift+F' LayoutButton.__init__(self, I('search.png'), _('Search bar'), parent=gui, shortcut=sc) self.set_state_to_show() self.action_toggle = QAction(self.icon(), _('Toggle') + ' ' + self.label, self) gui.addAction(self.action_toggle) gui.keyboard.register_shortcut('search bar toggle' + self.label, unicode(self.action_toggle.text()), default_keys=(sc, ), action=self.action_toggle) self.action_toggle.triggered.connect(self.toggle) self.action_toggle.changed.connect(self.update_shortcut) self.toggled.connect(self.update_state) def update_state(self, checked): if checked: self.set_state_to_hide() else: self.set_state_to_show() def save_state(self): gprefs['search bar visible'] = bool(self.isChecked()) def restore_state(self): self.setChecked(bool(gprefs.get('search bar visible', True)))
class GridViewButton(LayoutButton): # {{{ def __init__(self, gui): sc = 'Shift+Alt+G' LayoutButton.__init__(self, I('grid.png'), _('Cover Grid'), parent=gui, shortcut=sc) self.set_state_to_show() self.action_toggle = QAction(self.icon(), _('Toggle') + ' ' + self.label, self) gui.addAction(self.action_toggle) gui.keyboard.register_shortcut('grid view toggle' + self.label, unicode(self.action_toggle.text()), default_keys=(sc, ), action=self.action_toggle) self.action_toggle.triggered.connect(self.toggle) self.toggled.connect(self.update_state) def update_state(self, checked): if checked: self.set_state_to_hide() else: self.set_state_to_show() def save_state(self): gprefs['grid view visible'] = bool(self.isChecked()) def restore_state(self): if gprefs.get('grid view visible', False): self.toggle()
class GridViewButton(LayoutButton): # {{{ def __init__(self, gui): sc = 'Shift+Alt+G' LayoutButton.__init__(self, I('grid.png'), _('Cover Grid'), parent=gui, shortcut=sc) self.set_state_to_show() self.action_toggle = QAction(self.icon(), _('Toggle') + ' ' + self.label, self) gui.addAction(self.action_toggle) gui.keyboard.register_shortcut('grid view toggle' + self.label, unicode(self.action_toggle.text()), default_keys=(sc,), action=self.action_toggle) self.action_toggle.triggered.connect(self.toggle) self.toggled.connect(self.update_state) def update_state(self, checked): if checked: self.set_state_to_hide() else: self.set_state_to_show() def save_state(self): gprefs['grid view visible'] = bool(self.isChecked()) def restore_state(self): if gprefs.get('grid view visible', False): self.toggle()
class SearchBarButton(LayoutButton): # {{{ def __init__(self, gui): sc = 'Alt+Shift+F' LayoutButton.__init__(self, I('search.png'), _('Search bar'), parent=gui, shortcut=sc) self.set_state_to_show() self.action_toggle = QAction(self.icon(), _('Toggle') + ' ' + self.label, self) gui.addAction(self.action_toggle) gui.keyboard.register_shortcut('search bar toggle' + self.label, unicode(self.action_toggle.text()), default_keys=(sc,), action=self.action_toggle) self.action_toggle.triggered.connect(self.toggle) self.action_toggle.changed.connect(self.update_shortcut) self.toggled.connect(self.update_state) def update_state(self, checked): if checked: self.set_state_to_hide() else: self.set_state_to_show() def save_state(self): gprefs['search bar visible'] = bool(self.isChecked()) def restore_state(self): self.setChecked(bool(gprefs.get('search bar visible', True)))
def create_action(self, spec=None, attr='qaction', shortcut_name=None): if spec is None: spec = self.action_spec text, icon, tooltip, shortcut = spec if icon is not None: action = QAction(QIcon(I(icon)), text, self.gui) else: action = QAction(text, self.gui) if attr == 'qaction': if hasattr(self.action_menu_clone_qaction, 'rstrip'): mt = unicode_type(self.action_menu_clone_qaction) else: mt = action.text() self.menuless_qaction = ma = QAction(action.icon(), mt, self.gui) ma.triggered.connect(action.trigger) for a in ((action, ma) if attr == 'qaction' else (action,)): a.setAutoRepeat(self.auto_repeat) text = tooltip if tooltip else text a.setToolTip(text) a.setStatusTip(text) a.setWhatsThis(text) shortcut_action = action desc = tooltip if tooltip else None if attr == 'qaction': shortcut_action = ma if shortcut is not None: keys = ((shortcut,) if isinstance(shortcut, string_or_bytes) else tuple(shortcut)) if shortcut_name is None and spec[0]: shortcut_name = unicode_type(spec[0]) if shortcut_name and self.action_spec[0] and not ( attr == 'qaction' and self.popup_type == QToolButton.InstantPopup): try: self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + attr, shortcut_name, default_keys=keys, action=shortcut_action, description=desc, group=self.action_spec[0]) except NameConflict as e: try: prints(unicode_type(e)) except: pass shortcut_action.setShortcuts([QKeySequence(key, QKeySequence.PortableText) for key in keys]) else: self.shortcut_action_for_context_menu = shortcut_action if isosx: # In Qt 5 keyboard shortcuts dont work unless the # action is explicitly added to the main window self.gui.addAction(shortcut_action) if attr is not None: setattr(self, attr, action) if attr == 'qaction' and self.action_add_menu: menu = QMenu() action.setMenu(menu) if self.action_menu_clone_qaction: menu.addAction(self.menuless_qaction) return action
def create_action(self, spec=None, attr='qaction', shortcut_name=None): if spec is None: spec = self.action_spec text, icon, tooltip, shortcut = spec if icon is not None: action = QAction(QIcon(I(icon)), text, self.gui) else: action = QAction(text, self.gui) if attr == 'qaction': mt = (action.text() if self.action_menu_clone_qaction is True else unicode(self.action_menu_clone_qaction)) self.menuless_qaction = ma = QAction(action.icon(), mt, self.gui) ma.triggered.connect(action.trigger) for a in ((action, ma) if attr == 'qaction' else (action,)): a.setAutoRepeat(self.auto_repeat) text = tooltip if tooltip else text a.setToolTip(text) a.setStatusTip(text) a.setWhatsThis(text) shortcut_action = action desc = tooltip if tooltip else None if attr == 'qaction': shortcut_action = ma if shortcut is not None: keys = ((shortcut,) if isinstance(shortcut, basestring) else tuple(shortcut)) if shortcut_name is None and spec[0]: shortcut_name = unicode(spec[0]) if shortcut_name and self.action_spec[0] and not ( attr == 'qaction' and self.popup_type == QToolButton.InstantPopup): try: self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + attr, shortcut_name, default_keys=keys, action=shortcut_action, description=desc, group=self.action_spec[0]) except NameConflict as e: try: prints(unicode(e)) except: pass shortcut_action.setShortcuts([QKeySequence(key, QKeySequence.PortableText) for key in keys]) else: if isosx: # In Qt 5 keyboard shortcuts dont work unless the # action is explicitly added to the main window self.gui.addAction(shortcut_action) if attr is not None: setattr(self, attr, action) if attr == 'qaction' and self.action_add_menu: menu = QMenu() action.setMenu(menu) if self.action_menu_clone_qaction: menu.addAction(self.menuless_qaction) return action
def a(name, text, icon, tb=None, sc_name=None, menu_name=None, popup_mode=QToolButton.MenuButtonPopup): name = 'action_' + name if isinstance(text, QDockWidget): ac = text.toggleViewAction() ac.setIcon(QIcon(I(icon))) else: ac = QAction(QIcon(I(icon)), text, self) setattr(self, name, ac) ac.setObjectName(name) (tb or self.tool_bar).addAction(ac) if sc_name: ac.setToolTip(unicode(ac.text()) + (' [%s]' % _(' or ').join(self.view.shortcuts.get_shortcuts(sc_name)))) if menu_name is not None: menu_name += '_menu' m = QMenu() setattr(self, menu_name, m) ac.setMenu(m) w = (tb or self.tool_bar).widgetForAction(ac) w.setPopupMode(popup_mode) return ac
class Main( MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{ TagBrowserMixin, CoverFlowMixin, LibraryViewMixin, SearchBoxMixin, SavedSearchBoxMixin, SearchRestrictionMixin, LayoutMixin, UpdateMixin, EbookDownloadMixin): 'The main GUI' proceed_requested = pyqtSignal(object, object) book_converted = pyqtSignal(object, object) shutting_down = False def __init__(self, opts, parent=None, gui_debug=None): global _gui MainWindow.__init__(self, opts, parent=parent, disable_automatic_gc=True) self.setWindowIcon(QApplication.instance().windowIcon()) self.jobs_pointer = Pointer(self) self.proceed_requested.connect(self.do_proceed, type=Qt.QueuedConnection) self.proceed_question = ProceedQuestion(self) self.job_error_dialog = JobError(self) self.keyboard = Manager(self) _gui = self self.opts = opts self.device_connected = None self.gui_debug = gui_debug self.iactions = OrderedDict() # Actions for action in interface_actions(): if opts.ignore_plugins and action.plugin_path is not None: continue try: ac = self.init_iaction(action) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if action.plugin_path is None: raise continue ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action self.add_iaction(ac) self.load_store_plugins() def init_iaction(self, action): ac = action.load_actual_plugin(self) ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action action.actual_iaction_plugin_loaded = True return ac def add_iaction(self, ac): acmap = self.iactions if ac.name in acmap: if ac.priority >= acmap[ac.name].priority: acmap[ac.name] = ac else: acmap[ac.name] = ac def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded() def init_istore(self, store): st = store.load_actual_plugin(self) st.plugin_path = store.plugin_path st.base_plugin = store store.actual_istore_plugin_loaded = True return st def add_istore(self, st): stmap = self.istores if st.name in stmap: if st.priority >= stmap[st.name].priority: stmap[st.name] = st else: stmap[st.name] = st def initialize(self, library_path, db, listener, actions, show_gui=True): opts = self.opts self.preferences_action, self.quit_action = actions self.library_path = library_path self.content_server = None self._spare_pool = None self.must_restart_before_config = False self.listener = Listener(listener) self.check_messages_timer = QTimer() self.check_messages_timer.timeout.connect( self.another_instance_wants_to_talk) self.check_messages_timer.start(1000) for ac in self.iactions.values(): try: ac.do_genesis() except Exception: # Ignore errors in third party plugins import traceback traceback.print_exc() if getattr(ac, 'plugin_path', None) is None: raise self.donate_action = QAction(QIcon(I('donate.png')), _('&Donate to support calibre'), self) for st in self.istores.values(): st.do_genesis() MainWindowMixin.init_main_window_mixin(self, db) # Jobs Button {{{ self.job_manager = JobManager() self.jobs_dialog = JobsDialog(self, self.job_manager) self.jobs_button = JobsButton(horizontal=True, parent=self) self.jobs_button.initialize(self.jobs_dialog, self.job_manager) # }}} LayoutMixin.init_layout_mixin(self) DeviceMixin.init_device_mixin(self) self.progress_indicator = ProgressIndicator(self) self.progress_indicator.pos = (0, 20) self.verbose = opts.verbose self.get_metadata = GetMetadata() self.upload_memory = {} self.metadata_dialogs = [] self.default_thumbnail = None self.tb_wrapper = textwrap.TextWrapper(width=40) self.viewers = collections.deque() self.system_tray_icon = None if config['systray_icon']: self.system_tray_icon = factory( app_id='com.calibre-ebook.gui').create_system_tray_icon( parent=self, title='calibre') if self.system_tray_icon is not None: self.system_tray_icon.setIcon( QIcon(I('lt.png', allow_user_override=False))) if not (iswindows or isosx): self.system_tray_icon.setIcon( QIcon.fromTheme('calibre-gui', self.system_tray_icon.icon())) self.system_tray_icon.setToolTip(self.jobs_button.tray_tooltip()) self.system_tray_icon.setVisible(True) self.jobs_button.tray_tooltip_updated.connect( self.system_tray_icon.setToolTip) elif config['systray_icon']: prints( 'Failed to create system tray icon, your desktop environment probably does not support the StatusNotifier spec' ) self.system_tray_menu = QMenu(self) self.toggle_to_tray_action = self.system_tray_menu.addAction( QIcon(I('page.png')), '') self.toggle_to_tray_action.triggered.connect( self.system_tray_icon_activated) self.system_tray_menu.addAction(self.donate_action) self.donate_button.clicked.connect(self.donate_action.trigger) self.donate_button.setToolTip(self.donate_action.text().replace( '&', '')) self.donate_button.setIcon(self.donate_action.icon()) self.donate_button.setStatusTip(self.donate_button.toolTip()) self.eject_action = self.system_tray_menu.addAction( QIcon(I('eject.png')), _('&Eject connected device')) self.eject_action.setEnabled(False) self.addAction(self.quit_action) self.system_tray_menu.addAction(self.quit_action) self.keyboard.register_shortcut('quit calibre', _('Quit calibre'), default_keys=('Ctrl+Q', ), action=self.quit_action) if self.system_tray_icon is not None: self.system_tray_icon.setContextMenu(self.system_tray_menu) self.system_tray_icon.activated.connect( self.system_tray_icon_activated) self.quit_action.triggered[bool].connect(self.quit) self.donate_action.triggered[bool].connect(self.donate) self.minimize_action = QAction(_('Minimize the calibre window'), self) self.addAction(self.minimize_action) self.keyboard.register_shortcut('minimize calibre', self.minimize_action.text(), default_keys=(), action=self.minimize_action) self.minimize_action.triggered.connect(self.showMinimized) self.esc_action = QAction(self) self.addAction(self.esc_action) self.keyboard.register_shortcut('clear current search', _('Clear the current search'), default_keys=('Esc', ), action=self.esc_action) self.esc_action.triggered.connect(self.esc) self.shift_esc_action = QAction(self) self.addAction(self.shift_esc_action) self.keyboard.register_shortcut('focus book list', _('Focus the book list'), default_keys=('Shift+Esc', ), action=self.shift_esc_action) self.shift_esc_action.triggered.connect(self.shift_esc) self.ctrl_esc_action = QAction(self) self.addAction(self.ctrl_esc_action) self.keyboard.register_shortcut('clear virtual library', _('Clear the virtual library'), default_keys=('Ctrl+Esc', ), action=self.ctrl_esc_action) self.ctrl_esc_action.triggered.connect(self.ctrl_esc) self.alt_esc_action = QAction(self) self.addAction(self.alt_esc_action) self.keyboard.register_shortcut('clear additional restriction', _('Clear the additional restriction'), default_keys=('Alt+Esc', ), action=self.alt_esc_action) self.alt_esc_action.triggered.connect( self.clear_additional_restriction) # ###################### Start spare job server ######################## QTimer.singleShot(1000, self.create_spare_pool) # ###################### Location Manager ######################## self.location_manager.location_selected.connect(self.location_selected) self.location_manager.unmount_device.connect( self.device_manager.umount_device) self.location_manager.configure_device.connect( self.configure_connected_device) self.location_manager.update_device_metadata.connect( self.update_metadata_on_device) self.eject_action.triggered.connect(self.device_manager.umount_device) # ################### Update notification ################### UpdateMixin.init_update_mixin(self, opts) # ###################### Search boxes ######################## SearchRestrictionMixin.init_search_restriction_mixin(self) SavedSearchBoxMixin.init_saved_seach_box_mixin(self) # ###################### Library view ######################## LibraryViewMixin.init_library_view_mixin(self, db) SearchBoxMixin.init_search_box_mixin(self) # Requires current_db if show_gui: self.show() if self.system_tray_icon is not None and self.system_tray_icon.isVisible( ) and opts.start_in_tray: self.hide_windows() self.library_view.model().count_changed_signal.connect( self.iactions['Choose Library'].count_changed) if not gprefs.get('quick_start_guide_added', False): try: add_quick_start_guide(self.library_view) except: import traceback traceback.print_exc() for view in ('library', 'memory', 'card_a', 'card_b'): v = getattr(self, '%s_view' % view) v.selectionModel().selectionChanged.connect(self.update_status_bar) v.model().count_changed_signal.connect(self.update_status_bar) self.library_view.model().count_changed() self.bars_manager.database_changed(self.library_view.model().db) self.library_view.model().database_changed.connect( self.bars_manager.database_changed, type=Qt.QueuedConnection) # ########################## Tags Browser ############################## TagBrowserMixin.init_tag_browser_mixin(self, db) # ######################## Search Restriction ########################## if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() # ########################## Cover Flow ################################ CoverFlowMixin.init_cover_flow_mixin(self) self._calculated_available_height = min(max_available_height() - 15, self.height()) self.resize(self.width(), self._calculated_available_height) self.build_context_menus() for ac in self.iactions.values(): try: ac.gui_layout_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise if config['autolaunch_server']: self.start_content_server() self.read_settings() self.finalize_layout() if self.bars_manager.showing_donate: self.donate_button.start_animation() self.set_window_title() for ac in self.iactions.values(): try: ac.initialization_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) register_keyboard_shortcuts() self.keyboard.finalize() self.auto_adder = AutoAdder(gprefs['auto_add_path'], self) self.save_layout_state() # Collect cycles now gc.collect() QApplication.instance().shutdown_signal_received.connect(self.quit) if show_gui and self.gui_debug is not None: QTimer.singleShot(10, self.show_gui_debug_msg) self.iactions['Connect Share'].check_smartdevice_menus() QTimer.singleShot(1, self.start_smartdevice) QTimer.singleShot(100, self.update_toggle_to_tray_action) def show_gui_debug_msg(self): info_dialog(self, _('Debug mode'), '<p>' + _('You have started calibre in debug mode. After you ' 'quit calibre, the debug log will be available in ' 'the file: %s<p>The ' 'log will be displayed automatically.') % self.gui_debug, show=True) def esc(self, *args): self.clear_button.click() def shift_esc(self): self.current_view().setFocus(Qt.OtherFocusReason) def ctrl_esc(self): self.apply_virtual_library() self.current_view().setFocus(Qt.OtherFocusReason) def start_smartdevice(self): message = None if self.device_manager.get_option('smartdevice', 'autostart'): try: message = self.device_manager.start_plugin('smartdevice') except: message = 'start smartdevice unknown exception' prints(message) import traceback traceback.print_exc() if message: if not self.device_manager.is_running('Wireless Devices'): error_dialog( self, _('Problem starting the wireless device'), _('The wireless device driver had problems starting. ' 'It said "%s"') % message, show=True) self.iactions['Connect Share'].set_smartdevice_action_state() def start_content_server(self, check_started=True): from calibre.library.server.main import start_threaded_server from calibre.library.server import server_config self.content_server = start_threaded_server( self.library_view.model().db, server_config().parse()) self.content_server.state_callback = Dispatcher( self.iactions['Connect Share'].content_server_state_changed) if check_started: self.content_server.start_failure_callback = \ Dispatcher(self.content_server_start_failed) def content_server_start_failed(self, msg): error_dialog(self, _('Failed to start Content Server'), _('Could not start the content server. Error:\n\n%s') % msg, show=True) def resizeEvent(self, ev): MainWindow.resizeEvent(self, ev) self.search.setMaximumWidth(self.width() - 150) def create_spare_pool(self, *args): if self._spare_pool is None: num = min(detect_ncpus(), int(config['worker_limit'] / 2.0)) self._spare_pool = Pool(max_workers=num, name='GUIPool') def spare_pool(self): ans, self._spare_pool = self._spare_pool, None QTimer.singleShot(1000, self.create_spare_pool) return ans def do_proceed(self, func, payload): if callable(func): func(payload) def no_op(self, *args): pass def system_tray_icon_activated(self, r=False): if r in (QSystemTrayIcon.Trigger, QSystemTrayIcon.MiddleClick, False): if self.isVisible(): if self.isMinimized(): self.showNormal() else: self.hide_windows() else: self.show_windows() if self.isMinimized(): self.showNormal() @property def is_minimized_to_tray(self): return getattr(self, '__systray_minimized', False) def ask_a_yes_no_question(self, title, msg, det_msg='', show_copy_button=False, ans_when_user_unavailable=True, skip_dialog_name=None, skipped_value=True): if self.is_minimized_to_tray: return ans_when_user_unavailable return question_dialog(self, title, msg, det_msg=det_msg, show_copy_button=show_copy_button, skip_dialog_name=skip_dialog_name, skip_dialog_skipped_value=skipped_value) def update_toggle_to_tray_action(self, *args): if hasattr(self, 'toggle_to_tray_action'): self.toggle_to_tray_action.setText( _('Hide main window') if self.isVisible( ) else _('Show main window')) def hide_windows(self): for window in QApplication.topLevelWidgets(): if isinstance(window, (MainWindow, QDialog)) and \ window.isVisible(): window.hide() setattr(window, '__systray_minimized', True) self.update_toggle_to_tray_action() def show_windows(self, *args): for window in QApplication.topLevelWidgets(): if getattr(window, '__systray_minimized', False): window.show() setattr(window, '__systray_minimized', False) self.update_toggle_to_tray_action() def test_server(self, *args): if self.content_server is not None and \ self.content_server.exception is not None: error_dialog(self, _('Failed to start content server'), unicode(self.content_server.exception)).exec_() @property def current_db(self): return self.library_view.model().db def another_instance_wants_to_talk(self): try: msg = self.listener.queue.get_nowait() except Empty: return if msg.startswith('launched:'): import json try: argv = json.loads(msg[len('launched:'):]) except ValueError: prints('Failed to decode message from other instance: %r' % msg) if DEBUG: error_dialog( self, 'Invalid message', 'Received an invalid message from other calibre instance.' ' Do you have multiple versions of calibre installed?', det_msg='Invalid msg: %r' % msg, show=True) argv = () if isinstance(argv, (list, tuple)) and len(argv) > 1: files = [ os.path.abspath(p) for p in argv[1:] if not os.path.isdir(p) and os.access(p, os.R_OK) ] if files: self.iactions['Add Books'].add_filesystem_book(files) self.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive) self.show_windows() self.raise_() self.activateWindow() elif msg.startswith('refreshdb:'): m = self.library_view.model() m.db.new_api.reload_from_db() m.db.data.refresh(clear_caches=False, do_search=False) m.resort() m.research() self.tags_view.recount() elif msg.startswith('shutdown:'): self.quit(confirm_quit=False) elif msg.startswith('bookedited:'): parts = msg.split(':')[1:] try: book_id, fmt, library_id = parts[:3] book_id = int(book_id) m = self.library_view.model() db = m.db.new_api if m.db.library_id == library_id and db.has_id(book_id): db.format_metadata(book_id, fmt, allow_cache=False, update_db=True) db.update_last_modified((book_id, )) m.refresh_ids((book_id, )) except Exception: import traceback traceback.print_exc() else: print msg def current_view(self): '''Convenience method that returns the currently visible view ''' idx = self.stack.currentIndex() if idx == 0: return self.library_view if idx == 1: return self.memory_view if idx == 2: return self.card_a_view if idx == 3: return self.card_b_view def booklists(self): return self.memory_view.model().db, self.card_a_view.model( ).db, self.card_b_view.model().db def library_moved(self, newloc, copy_structure=False, call_close=True, allow_rebuild=False): if newloc is None: return default_prefs = None try: olddb = self.library_view.model().db if copy_structure: default_prefs = olddb.prefs except: olddb = None try: db = LibraryDatabase(newloc, default_prefs=default_prefs) except apsw.Error: if not allow_rebuild: raise import traceback repair = question_dialog( self, _('Corrupted database'), _('The library database at %s appears to be corrupted. Do ' 'you want calibre to try and rebuild it automatically? ' 'The rebuild may not be completely successful.') % force_unicode(newloc, filesystem_encoding), det_msg=traceback.format_exc()) if repair: from calibre.gui2.dialogs.restore_library import repair_library_at if repair_library_at(newloc, parent=self): db = LibraryDatabase(newloc, default_prefs=default_prefs) else: return else: return if self.content_server is not None: self.content_server.set_database(db) self.library_path = newloc prefs['library_path'] = self.library_path self.book_on_device(None, reset=True) db.set_book_on_device_func(self.book_on_device) self.library_view.set_database(db) self.tags_view.set_database(db, self.alter_tb) self.library_view.model().set_book_on_device_func(self.book_on_device) self.status_bar.clear_message() self.search.clear() self.saved_search.clear() self.book_details.reset_info() # self.library_view.model().count_changed() db = self.library_view.model().db self.iactions['Choose Library'].count_changed(db.count()) self.set_window_title() self.apply_named_search_restriction('') # reset restriction to null self.saved_searches_changed( recount=False) # reload the search restrictions combo box if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() for action in self.iactions.values(): action.library_changed(db) if olddb is not None: try: if call_close: olddb.close() except: import traceback traceback.print_exc() olddb.break_cycles() if self.device_connected: self.set_books_in_library(self.booklists(), reset=True) self.refresh_ondevice() self.memory_view.reset() self.card_a_view.reset() self.card_b_view.reset() self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) self.library_view.set_current_row(0) # Run a garbage collection now so that it does not freeze the # interface later gc.collect() def set_window_title(self): db = self.current_db restrictions = [ x for x in (db.data.get_base_restriction_name(), db.data.get_search_restriction_name()) if x ] restrictions = ' :: '.join(restrictions) font = QFont() if restrictions: restrictions = ' :: ' + restrictions font.setBold(True) font.setItalic(True) self.virtual_library.setFont(font) title = u'{0} - || {1}{2} ||'.format( __appname__, self.iactions['Choose Library'].library_name(), restrictions) self.setWindowTitle(title) def location_selected(self, location): ''' Called when a location icon is clicked (e.g. Library) ''' page = 0 if location == 'library' else 1 if location == 'main' else 2 if location == 'carda' else 3 self.stack.setCurrentIndex(page) self.book_details.reset_info() for x in ('tb', 'cb'): splitter = getattr(self, x + '_splitter') splitter.button.setEnabled(location == 'library') for action in self.iactions.values(): action.location_selected(location) if location == 'library': self.virtual_library_menu.setEnabled(True) self.highlight_only_button.setEnabled(True) self.vl_tabs.setEnabled(True) else: self.virtual_library_menu.setEnabled(False) self.highlight_only_button.setEnabled(False) self.vl_tabs.setEnabled(False) # Reset the view in case something changed while it was invisible self.current_view().reset() self.set_number_of_books_shown() self.update_status_bar() def job_exception(self, job, dialog_title=_('Conversion Error'), retry_func=None): if not hasattr(self, '_modeless_dialogs'): self._modeless_dialogs = [] minz = self.is_minimized_to_tray if self.isVisible(): for x in list(self._modeless_dialogs): if not x.isVisible(): self._modeless_dialogs.remove(x) try: if 'calibre.ebooks.DRMError' in job.details: if not minz: from calibre.gui2.dialogs.drm_error import DRMErrorMessage d = DRMErrorMessage( self, _('Cannot convert') + ' ' + job.description.split(':')[-1].partition('(')[-1][:-1]) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details: title = job.description.split(':')[-1].partition('(')[-1][:-1] msg = _('<p><b>Failed to convert: %s') % title msg += '<p>' + _(''' Many older ebook reader devices are incapable of displaying EPUB files that have internal components over a certain size. Therefore, when converting to EPUB, calibre automatically tries to split up the EPUB into smaller sized pieces. For some files that are large undifferentiated blocks of text, this splitting fails. <p>You can <b>work around the problem</b> by either increasing the maximum split size under EPUB Output in the conversion dialog, or by turning on Heuristic Processing, also in the conversion dialog. Note that if you make the maximum split size too large, your ebook reader may have trouble with the EPUB. ''') if not minz: d = error_dialog(self, _('Conversion Failed'), msg, det_msg=job.details) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.web.feeds.input.RecipeDisabled' in job.details: if not minz: msg = job.details msg = msg[msg. find('calibre.web.feeds.input.RecipeDisabled:'):] msg = msg.partition(':')[-1] d = error_dialog(self, _('Recipe Disabled'), '<p>%s</p>' % msg) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details: if not minz: import json payload = job.details.rpartition( 'calibre.ebooks.conversion.ConversionUserFeedBack:' )[-1] payload = json.loads('{' + payload.partition('{')[-1]) d = { 'info': info_dialog, 'warn': warning_dialog, 'error': error_dialog }.get(payload['level'], error_dialog) d = d(self, payload['title'], '<p>%s</p>' % payload['msg'], det_msg=payload['det_msg']) d.setModal(False) d.show() self._modeless_dialogs.append(d) return except: pass if job.killed: return try: prints(job.details, file=sys.stderr) except: pass if not minz: self.job_error_dialog.show_error(dialog_title, _('<b>Failed</b>') + ': ' + unicode(job.description), det_msg=job.details, retry_func=retry_func) def read_settings(self): geometry = config['main_window_geometry'] if geometry is not None: self.restoreGeometry(geometry) self.read_layout_settings() def write_settings(self): with gprefs: # Only write to gprefs once config.set('main_window_geometry', self.saveGeometry()) dynamic.set('sort_history', self.library_view.model().sort_history) self.save_layout_state() def quit(self, checked=True, restart=False, debug_on_restart=False, confirm_quit=True): if self.shutting_down: return if confirm_quit and not self.confirm_quit(): return try: self.shutdown() except: pass self.restart_after_quit = restart self.debug_on_restart = debug_on_restart QApplication.instance().quit() def donate(self, *args): open_url(QUrl('https://calibre-ebook.com/donate')) def confirm_quit(self): if self.job_manager.has_jobs(): msg = _('There are active jobs. Are you sure you want to quit?') if self.job_manager.has_device_jobs(): msg = '<p>'+__appname__ + \ _(''' is communicating with the device!<br> Quitting may cause corruption on the device.<br> Are you sure you want to quit?''')+'</p>' if not question_dialog(self, _('Active jobs'), msg): return False if self.proceed_question.questions: msg = _( 'There are library updates waiting. Are you sure you want to quit?' ) if not question_dialog(self, _('Library Updates Waiting'), msg): return False from calibre.db.delete_service import has_jobs if has_jobs(): msg = _('Some deleted books are still being moved to the Recycle ' 'Bin, if you quit now, they will be left behind. Are you ' 'sure you want to quit?') if not question_dialog(self, _('Active jobs'), msg): return False return True def shutdown(self, write_settings=True): self.shutting_down = True self.show_shutdown_message() from calibre.customize.ui import has_library_closed_plugins if has_library_closed_plugins(): self.show_shutdown_message( _('Running database shutdown plugins. This could take a few seconds...' )) self.grid_view.shutdown() db = None try: db = self.library_view.model().db cf = db.clean except: pass else: cf() # Save the current field_metadata for applications like calibre2opds # Goes here, because if cf is valid, db is valid. db.new_api.set_pref('field_metadata', db.field_metadata.all_metadata()) db.commit_dirty_cache() db.prefs.write_serialized(prefs['library_path']) for action in self.iactions.values(): if not action.shutting_down(): return if write_settings: self.write_settings() self.check_messages_timer.stop() if hasattr(self, 'update_checker'): self.update_checker.shutdown() self.listener.close() self.job_manager.server.close() self.job_manager.threaded_server.close() self.device_manager.keep_going = False self.auto_adder.stop() # Do not report any errors that happen after the shutdown # We cannot restore the original excepthook as that causes PyQt to # call abort() on unhandled exceptions import traceback def eh(t, v, tb): try: traceback.print_exception(t, v, tb, file=sys.stderr) except: pass sys.excepthook = eh mb = self.library_view.model().metadata_backup if mb is not None: mb.stop() if db is not None: db.close() try: try: if self.content_server is not None: # If the content server has any sockets being closed then # this can take quite a long time (minutes). Tell the user that it is # happening. self.show_shutdown_message( _('Shutting down the content server. This could take a while ...' )) s = self.content_server self.content_server = None s.exit() except: pass except KeyboardInterrupt: pass self.hide_windows() if self._spare_pool is not None: self._spare_pool.shutdown() from calibre.db.delete_service import shutdown shutdown() time.sleep(2) self.istores.join() return True def run_wizard(self, *args): if self.confirm_quit(): self.run_wizard_b4_shutdown = True self.restart_after_quit = True try: self.shutdown(write_settings=False) except: pass QApplication.instance().quit() def closeEvent(self, e): if self.shutting_down: return self.write_settings() if self.system_tray_icon is not None and self.system_tray_icon.isVisible( ): if not dynamic['systray_msg'] and not isosx: info_dialog( self, 'calibre', 'calibre ' + _('will keep running in the system tray. To close it, ' 'choose <b>Quit</b> in the context menu of the ' 'system tray.'), show_copy_button=False).exec_() dynamic['systray_msg'] = True self.hide_windows() e.ignore() else: if self.confirm_quit(): try: self.shutdown(write_settings=False) except: import traceback traceback.print_exc() e.accept() else: e.ignore()
class Splitter(QSplitter): state_changed = pyqtSignal(object) def __init__(self, name, label, icon, initial_show=True, initial_side_size=120, connect_button=True, orientation=Qt.Horizontal, side_index=0, parent=None, shortcut=None, hide_handle_on_single_panel=True): QSplitter.__init__(self, parent) if hide_handle_on_single_panel: self.state_changed.connect(self.update_handle_width) self.original_handle_width = self.handleWidth() self.resize_timer = QTimer(self) self.resize_timer.setSingleShot(True) self.desired_side_size = initial_side_size self.desired_show = initial_show self.resize_timer.setInterval(5) self.resize_timer.timeout.connect(self.do_resize) self.setOrientation(orientation) self.side_index = side_index self._name = name self.label = label self.initial_side_size = initial_side_size self.initial_show = initial_show self.splitterMoved.connect(self.splitter_moved, type=Qt.QueuedConnection) self.button = LayoutButton(icon, label, self, shortcut=shortcut) if connect_button: self.button.clicked.connect(self.double_clicked) if shortcut is not None: self.action_toggle = QAction(QIcon(icon), _('Toggle') + ' ' + label, self) self.action_toggle.changed.connect(self.update_shortcut) self.action_toggle.triggered.connect(self.toggle_triggered) if parent is not None: parent.addAction(self.action_toggle) if hasattr(parent, 'keyboard'): parent.keyboard.register_shortcut( 'splitter %s %s' % (name, label), unicode_type(self.action_toggle.text()), default_keys=(shortcut, ), action=self.action_toggle) else: self.action_toggle.setShortcut(shortcut) else: self.action_toggle.setShortcut(shortcut) def update_shortcut(self): self.button.update_shortcut(self.action_toggle) def toggle_triggered(self, *args): self.toggle_side_pane() def createHandle(self): return SplitterHandle(self.orientation(), self) def initialize(self): for i in range(self.count()): h = self.handle(i) if h is not None: h.splitter_moved() self.state_changed.emit(not self.is_side_index_hidden) def splitter_moved(self, *args): self.desired_side_size = self.side_index_size self.state_changed.emit(not self.is_side_index_hidden) def update_handle_width(self, not_one_panel): self.setHandleWidth(self.original_handle_width if not_one_panel else 0) @property def is_side_index_hidden(self): sizes = list(self.sizes()) try: return sizes[self.side_index] == 0 except IndexError: return True @property def save_name(self): ori = 'horizontal' if self.orientation() == Qt.Horizontal \ else 'vertical' return self._name + '_' + ori def print_sizes(self): if self.count() > 1: print(self.save_name, 'side:', self.side_index_size, 'other:', end=' ') print(list(self.sizes())[self.other_index]) @property def side_index_size(self): if self.count() < 2: return 0 return self.sizes()[self.side_index] @side_index_size.setter def side_index_size(self, val): if self.count() < 2: return if val == 0 and not self.is_side_index_hidden: self.save_state() sizes = list(self.sizes()) for i in range(len(sizes)): sizes[i] = val if i == self.side_index else 10 self.setSizes(sizes) total = sum(self.sizes()) sizes = list(self.sizes()) for i in range(len(sizes)): sizes[i] = val if i == self.side_index else total - val self.setSizes(sizes) self.initialize() def do_resize(self, *args): orig = self.desired_side_size QSplitter.resizeEvent(self, self._resize_ev) if orig > 20 and self.desired_show: c = 0 while abs(self.side_index_size - orig) > 10 and c < 5: self.apply_state(self.get_state(), save_desired=False) c += 1 def resizeEvent(self, ev): if self.resize_timer.isActive(): self.resize_timer.stop() self._resize_ev = ev self.resize_timer.start() def get_state(self): if self.count() < 2: return (False, 200) return (self.desired_show, self.desired_side_size) def apply_state(self, state, save_desired=True): if state[0]: self.side_index_size = state[1] if save_desired: self.desired_side_size = self.side_index_size else: self.side_index_size = 0 self.desired_show = state[0] def default_state(self): return (self.initial_show, self.initial_side_size) # Public API {{{ def update_desired_state(self): self.desired_show = not self.is_side_index_hidden def save_state(self): if self.count() > 1: gprefs[self.save_name + '_state'] = self.get_state() @property def other_index(self): return (self.side_index + 1) % 2 def restore_state(self): if self.count() > 1: state = gprefs.get(self.save_name + '_state', self.default_state()) self.apply_state(state, save_desired=False) self.desired_side_size = state[1] def toggle_side_pane(self, hide=None): if hide is None: action = 'show' if self.is_side_index_hidden else 'hide' else: action = 'hide' if hide else 'show' getattr(self, action + '_side_pane')() def show_side_pane(self): if self.count() < 2 or not self.is_side_index_hidden: return if self.desired_side_size == 0: self.desired_side_size = self.initial_side_size self.apply_state((True, self.desired_side_size)) def hide_side_pane(self): if self.count() < 2 or self.is_side_index_hidden: return self.apply_state((False, self.desired_side_size)) def double_clicked(self, *args): self.toggle_side_pane()
class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{ TagBrowserMixin, CoverFlowMixin, LibraryViewMixin, SearchBoxMixin, SavedSearchBoxMixin, SearchRestrictionMixin, LayoutMixin, UpdateMixin, EbookDownloadMixin ): 'The main GUI' proceed_requested = pyqtSignal(object, object) book_converted = pyqtSignal(object, object) def __init__(self, opts, parent=None, gui_debug=None): global _gui MainWindow.__init__(self, opts, parent=parent, disable_automatic_gc=True) self.jobs_pointer = Pointer(self) self.proceed_requested.connect(self.do_proceed, type=Qt.QueuedConnection) self.proceed_question = ProceedQuestion(self) self.job_error_dialog = JobError(self) self.keyboard = Manager(self) _gui = self self.opts = opts self.device_connected = None self.gui_debug = gui_debug self.iactions = OrderedDict() # Actions for action in interface_actions(): if opts.ignore_plugins and action.plugin_path is not None: continue try: ac = self.init_iaction(action) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if action.plugin_path is None: raise continue ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action self.add_iaction(ac) self.load_store_plugins() def init_iaction(self, action): ac = action.load_actual_plugin(self) ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action action.actual_iaction_plugin_loaded = True return ac def add_iaction(self, ac): acmap = self.iactions if ac.name in acmap: if ac.priority >= acmap[ac.name].priority: acmap[ac.name] = ac else: acmap[ac.name] = ac def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded() def init_istore(self, store): st = store.load_actual_plugin(self) st.plugin_path = store.plugin_path st.base_plugin = store store.actual_istore_plugin_loaded = True return st def add_istore(self, st): stmap = self.istores if st.name in stmap: if st.priority >= stmap[st.name].priority: stmap[st.name] = st else: stmap[st.name] = st def initialize(self, library_path, db, listener, actions, show_gui=True): opts = self.opts self.preferences_action, self.quit_action = actions self.library_path = library_path self.content_server = None self._spare_pool = None self.must_restart_before_config = False self.listener = Listener(listener) self.check_messages_timer = QTimer() self.check_messages_timer.timeout.connect(self.another_instance_wants_to_talk) self.check_messages_timer.start(1000) for ac in self.iactions.values(): try: ac.do_genesis() except Exception: # Ignore errors in third party plugins import traceback traceback.print_exc() if getattr(ac, 'plugin_path', None) is None: raise self.donate_action = QAction(QIcon(I('donate.png')), _('&Donate to support calibre'), self) for st in self.istores.values(): st.do_genesis() MainWindowMixin.init_main_window_mixin(self, db) # Jobs Button {{{ self.job_manager = JobManager() self.jobs_dialog = JobsDialog(self, self.job_manager) self.jobs_button = JobsButton(horizontal=True, parent=self) self.jobs_button.initialize(self.jobs_dialog, self.job_manager) # }}} LayoutMixin.init_layout_mixin(self) DeviceMixin.init_device_mixin(self) self.progress_indicator = ProgressIndicator(self) self.progress_indicator.pos = (0, 20) self.verbose = opts.verbose self.get_metadata = GetMetadata() self.upload_memory = {} self.metadata_dialogs = [] self.default_thumbnail = None self.tb_wrapper = textwrap.TextWrapper(width=40) self.viewers = collections.deque() self.system_tray_icon = None if config['systray_icon']: self.system_tray_icon = factory(app_id='com.calibre-ebook.gui').create_system_tray_icon(parent=self, title='calibre') if self.system_tray_icon is not None: self.system_tray_icon.setIcon(QIcon(I('lt.png'))) if not (iswindows or isosx): self.system_tray_icon.setIcon(QIcon.fromTheme('calibre-gui', QIcon(I('lt.png')))) self.system_tray_icon.setToolTip(self.jobs_button.tray_tooltip()) self.system_tray_icon.setVisible(True) self.jobs_button.tray_tooltip_updated.connect(self.system_tray_icon.setToolTip) elif config['systray_icon']: prints('Failed to create system tray icon, your desktop environment probably does not support the StatusNotifier spec') self.system_tray_menu = QMenu(self) self.toggle_to_tray_action = self.system_tray_menu.addAction(QIcon(I('page.png')), '') self.toggle_to_tray_action.triggered.connect(self.system_tray_icon_activated) self.system_tray_menu.addAction(self.donate_action) self.donate_button.clicked.connect(self.donate_action.trigger) self.donate_button.setToolTip(self.donate_action.text().replace('&', '')) self.donate_button.setIcon(self.donate_action.icon()) self.donate_button.setStatusTip(self.donate_button.toolTip()) self.eject_action = self.system_tray_menu.addAction( QIcon(I('eject.png')), _('&Eject connected device')) self.eject_action.setEnabled(False) self.addAction(self.quit_action) self.system_tray_menu.addAction(self.quit_action) self.keyboard.register_shortcut('quit calibre', _('Quit calibre'), default_keys=('Ctrl+Q',), action=self.quit_action) if self.system_tray_icon is not None: self.system_tray_icon.setContextMenu(self.system_tray_menu) self.system_tray_icon.activated.connect(self.system_tray_icon_activated) self.quit_action.triggered[bool].connect(self.quit) self.donate_action.triggered[bool].connect(self.donate) self.minimize_action = QAction(_('Minimize the calibre window'), self) self.addAction(self.minimize_action) self.keyboard.register_shortcut('minimize calibre', self.minimize_action.text(), default_keys=(), action=self.minimize_action) self.minimize_action.triggered.connect(self.showMinimized) self.esc_action = QAction(self) self.addAction(self.esc_action) self.keyboard.register_shortcut('clear current search', _('Clear the current search'), default_keys=('Esc',), action=self.esc_action) self.esc_action.triggered.connect(self.esc) self.shift_esc_action = QAction(self) self.addAction(self.shift_esc_action) self.keyboard.register_shortcut('focus book list', _('Focus the book list'), default_keys=('Shift+Esc',), action=self.shift_esc_action) self.shift_esc_action.triggered.connect(self.shift_esc) self.ctrl_esc_action = QAction(self) self.addAction(self.ctrl_esc_action) self.keyboard.register_shortcut('clear virtual library', _('Clear the virtual library'), default_keys=('Ctrl+Esc',), action=self.ctrl_esc_action) self.ctrl_esc_action.triggered.connect(self.ctrl_esc) self.alt_esc_action = QAction(self) self.addAction(self.alt_esc_action) self.keyboard.register_shortcut('clear additional restriction', _('Clear the additional restriction'), default_keys=('Alt+Esc',), action=self.alt_esc_action) self.alt_esc_action.triggered.connect(self.clear_additional_restriction) # ###################### Start spare job server ######################## QTimer.singleShot(1000, self.create_spare_pool) # ###################### Location Manager ######################## self.location_manager.location_selected.connect(self.location_selected) self.location_manager.unmount_device.connect(self.device_manager.umount_device) self.location_manager.configure_device.connect(self.configure_connected_device) self.location_manager.update_device_metadata.connect(self.update_metadata_on_device) self.eject_action.triggered.connect(self.device_manager.umount_device) # ################### Update notification ################### UpdateMixin.init_update_mixin(self, opts) # ###################### Search boxes ######################## SearchRestrictionMixin.init_search_restriction_mixin(self) SavedSearchBoxMixin.init_saved_seach_box_mixin(self) # ###################### Library view ######################## LibraryViewMixin.init_library_view_mixin(self, db) SearchBoxMixin.init_search_box_mixin(self) # Requires current_db if show_gui: self.show() if self.system_tray_icon is not None and self.system_tray_icon.isVisible() and opts.start_in_tray: self.hide_windows() self.library_view.model().count_changed_signal.connect( self.iactions['Choose Library'].count_changed) if not gprefs.get('quick_start_guide_added', False): try: add_quick_start_guide(self.library_view) except: import traceback traceback.print_exc() for view in ('library', 'memory', 'card_a', 'card_b'): v = getattr(self, '%s_view' % view) v.selectionModel().selectionChanged.connect(self.update_status_bar) v.model().count_changed_signal.connect(self.update_status_bar) self.library_view.model().count_changed() self.bars_manager.database_changed(self.library_view.model().db) self.library_view.model().database_changed.connect(self.bars_manager.database_changed, type=Qt.QueuedConnection) # ########################## Tags Browser ############################## TagBrowserMixin.init_tag_browser_mixin(self, db) # ######################## Search Restriction ########################## if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() # ########################## Cover Flow ################################ CoverFlowMixin.init_cover_flow_mixin(self) self._calculated_available_height = min(max_available_height()-15, self.height()) self.resize(self.width(), self._calculated_available_height) self.build_context_menus() for ac in self.iactions.values(): try: ac.gui_layout_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise if config['autolaunch_server']: self.start_content_server() self.keyboard_interrupt.connect(self.quit, type=Qt.QueuedConnection) self.read_settings() self.finalize_layout() if self.bars_manager.showing_donate: self.donate_button.start_animation() self.set_window_title() for ac in self.iactions.values(): try: ac.initialization_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) register_keyboard_shortcuts() self.keyboard.finalize() self.auto_adder = AutoAdder(gprefs['auto_add_path'], self) self.save_layout_state() # Collect cycles now gc.collect() if show_gui and self.gui_debug is not None: QTimer.singleShot(10, self.show_gui_debug_msg) self.iactions['Connect Share'].check_smartdevice_menus() QTimer.singleShot(1, self.start_smartdevice) QTimer.singleShot(100, self.update_toggle_to_tray_action) def show_gui_debug_msg(self): info_dialog(self, _('Debug mode'), '<p>' + _('You have started calibre in debug mode. After you ' 'quit calibre, the debug log will be available in ' 'the file: %s<p>The ' 'log will be displayed automatically.')%self.gui_debug, show=True) def esc(self, *args): self.clear_button.click() def shift_esc(self): self.current_view().setFocus(Qt.OtherFocusReason) def ctrl_esc(self): self.apply_virtual_library() self.current_view().setFocus(Qt.OtherFocusReason) def start_smartdevice(self): message = None if self.device_manager.get_option('smartdevice', 'autostart'): try: message = self.device_manager.start_plugin('smartdevice') except: message = 'start smartdevice unknown exception' prints(message) import traceback traceback.print_exc() if message: if not self.device_manager.is_running('Wireless Devices'): error_dialog(self, _('Problem starting the wireless device'), _('The wireless device driver had problems starting. ' 'It said "%s"')%message, show=True) self.iactions['Connect Share'].set_smartdevice_action_state() def start_content_server(self, check_started=True): from calibre.library.server.main import start_threaded_server from calibre.library.server import server_config self.content_server = start_threaded_server( self.library_view.model().db, server_config().parse()) self.content_server.state_callback = Dispatcher( self.iactions['Connect Share'].content_server_state_changed) if check_started: self.content_server.start_failure_callback = \ Dispatcher(self.content_server_start_failed) def content_server_start_failed(self, msg): error_dialog(self, _('Failed to start Content Server'), _('Could not start the content server. Error:\n\n%s')%msg, show=True) def resizeEvent(self, ev): MainWindow.resizeEvent(self, ev) self.search.setMaximumWidth(self.width()-150) def create_spare_pool(self, *args): if self._spare_pool is None: num = min(detect_ncpus(), int(config['worker_limit']/2.0)) self._spare_pool = Pool(max_workers=num, name='GUIPool') def spare_pool(self): ans, self._spare_pool = self._spare_pool, None QTimer.singleShot(1000, self.create_spare_pool) return ans def do_proceed(self, func, payload): if callable(func): func(payload) def no_op(self, *args): pass def system_tray_icon_activated(self, r=False): if r in (QSystemTrayIcon.Trigger, QSystemTrayIcon.MiddleClick, False): if self.isVisible(): if self.isMinimized(): self.showNormal() else: self.hide_windows() else: self.show_windows() if self.isMinimized(): self.showNormal() @property def is_minimized_to_tray(self): return getattr(self, '__systray_minimized', False) def ask_a_yes_no_question(self, title, msg, det_msg='', show_copy_button=False, ans_when_user_unavailable=True, skip_dialog_name=None, skipped_value=True): if self.is_minimized_to_tray: return ans_when_user_unavailable return question_dialog(self, title, msg, det_msg=det_msg, show_copy_button=show_copy_button, skip_dialog_name=skip_dialog_name, skip_dialog_skipped_value=skipped_value) def update_toggle_to_tray_action(self, *args): if hasattr(self, 'toggle_to_tray_action'): self.toggle_to_tray_action.setText( _('Hide main window') if self.isVisible() else _('Show main window')) def hide_windows(self): for window in QApplication.topLevelWidgets(): if isinstance(window, (MainWindow, QDialog)) and \ window.isVisible(): window.hide() setattr(window, '__systray_minimized', True) self.update_toggle_to_tray_action() def show_windows(self, *args): for window in QApplication.topLevelWidgets(): if getattr(window, '__systray_minimized', False): window.show() setattr(window, '__systray_minimized', False) self.update_toggle_to_tray_action() def test_server(self, *args): if self.content_server is not None and \ self.content_server.exception is not None: error_dialog(self, _('Failed to start content server'), unicode(self.content_server.exception)).exec_() @property def current_db(self): return self.library_view.model().db def another_instance_wants_to_talk(self): try: msg = self.listener.queue.get_nowait() except Empty: return if msg.startswith('launched:'): import json try: argv = json.loads(msg[len('launched:'):]) except ValueError: prints('Failed to decode message from other instance: %r' % msg) if DEBUG: error_dialog(self, 'Invalid message', 'Received an invalid message from other calibre instance.' ' Do you have multiple versions of calibre installed?', det_msg='Invalid msg: %r' % msg, show=True) argv = () if isinstance(argv, (list, tuple)) and len(argv) > 1: files = [os.path.abspath(p) for p in argv[1:] if not os.path.isdir(p) and os.access(p, os.R_OK)] if files: self.iactions['Add Books'].add_filesystem_book(files) self.setWindowState(self.windowState() & ~Qt.WindowMinimized|Qt.WindowActive) self.show_windows() self.raise_() self.activateWindow() elif msg.startswith('refreshdb:'): m = self.library_view.model() m.db.new_api.reload_from_db() m.db.data.refresh(clear_caches=False, do_search=False) m.resort() m.research() self.tags_view.recount() elif msg.startswith('shutdown:'): self.quit(confirm_quit=False) elif msg.startswith('bookedited:'): parts = msg.split(':')[1:] try: book_id, fmt, library_id = parts[:3] book_id = int(book_id) m = self.library_view.model() db = m.db.new_api if m.db.library_id == library_id and db.has_id(book_id): db.format_metadata(book_id, fmt, allow_cache=False, update_db=True) db.update_last_modified((book_id,)) m.refresh_ids((book_id,)) except Exception: import traceback traceback.print_exc() else: print msg def current_view(self): '''Convenience method that returns the currently visible view ''' idx = self.stack.currentIndex() if idx == 0: return self.library_view if idx == 1: return self.memory_view if idx == 2: return self.card_a_view if idx == 3: return self.card_b_view def booklists(self): return self.memory_view.model().db, self.card_a_view.model().db, self.card_b_view.model().db def library_moved(self, newloc, copy_structure=False, call_close=True, allow_rebuild=False): if newloc is None: return default_prefs = None try: olddb = self.library_view.model().db if copy_structure: default_prefs = olddb.prefs from calibre.utils.formatter_functions import unload_user_template_functions unload_user_template_functions(olddb.library_id) except: olddb = None try: db = LibraryDatabase(newloc, default_prefs=default_prefs) except apsw.Error: if not allow_rebuild: raise import traceback repair = question_dialog(self, _('Corrupted database'), _('The library database at %s appears to be corrupted. Do ' 'you want calibre to try and rebuild it automatically? ' 'The rebuild may not be completely successful.') % force_unicode(newloc, filesystem_encoding), det_msg=traceback.format_exc() ) if repair: from calibre.gui2.dialogs.restore_library import repair_library_at if repair_library_at(newloc, parent=self): db = LibraryDatabase(newloc, default_prefs=default_prefs) else: return else: return if self.content_server is not None: self.content_server.set_database(db) self.library_path = newloc prefs['library_path'] = self.library_path self.book_on_device(None, reset=True) db.set_book_on_device_func(self.book_on_device) self.library_view.set_database(db) self.tags_view.set_database(db, self.alter_tb) self.library_view.model().set_book_on_device_func(self.book_on_device) self.status_bar.clear_message() self.search.clear() self.saved_search.clear() self.book_details.reset_info() # self.library_view.model().count_changed() db = self.library_view.model().db self.iactions['Choose Library'].count_changed(db.count()) self.set_window_title() self.apply_named_search_restriction('') # reset restriction to null self.saved_searches_changed(recount=False) # reload the search restrictions combo box if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() for action in self.iactions.values(): action.library_changed(db) if olddb is not None: try: if call_close: olddb.close() except: import traceback traceback.print_exc() olddb.break_cycles() if self.device_connected: self.set_books_in_library(self.booklists(), reset=True) self.refresh_ondevice() self.memory_view.reset() self.card_a_view.reset() self.card_b_view.reset() self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) self.library_view.set_current_row(0) # Run a garbage collection now so that it does not freeze the # interface later gc.collect() def set_window_title(self): db = self.current_db restrictions = [x for x in (db.data.get_base_restriction_name(), db.data.get_search_restriction_name()) if x] restrictions = ' :: '.join(restrictions) font = QFont() if restrictions: restrictions = ' :: ' + restrictions font.setBold(True) font.setItalic(True) self.virtual_library.setFont(font) title = u'{0} - || {1}{2} ||'.format( __appname__, self.iactions['Choose Library'].library_name(), restrictions) self.setWindowTitle(title) def location_selected(self, location): ''' Called when a location icon is clicked (e.g. Library) ''' page = 0 if location == 'library' else 1 if location == 'main' else 2 if location == 'carda' else 3 self.stack.setCurrentIndex(page) self.book_details.reset_info() for x in ('tb', 'cb'): splitter = getattr(self, x+'_splitter') splitter.button.setEnabled(location == 'library') for action in self.iactions.values(): action.location_selected(location) if location == 'library': self.virtual_library_menu.setEnabled(True) self.highlight_only_button.setEnabled(True) self.vl_tabs.setEnabled(True) else: self.virtual_library_menu.setEnabled(False) self.highlight_only_button.setEnabled(False) self.vl_tabs.setEnabled(False) # Reset the view in case something changed while it was invisible self.current_view().reset() self.set_number_of_books_shown() self.update_status_bar() def job_exception(self, job, dialog_title=_('Conversion Error'), retry_func=None): if not hasattr(self, '_modeless_dialogs'): self._modeless_dialogs = [] minz = self.is_minimized_to_tray if self.isVisible(): for x in list(self._modeless_dialogs): if not x.isVisible(): self._modeless_dialogs.remove(x) try: if 'calibre.ebooks.DRMError' in job.details: if not minz: from calibre.gui2.dialogs.drm_error import DRMErrorMessage d = DRMErrorMessage(self, _('Cannot convert') + ' ' + job.description.split(':')[-1].partition('(')[-1][:-1]) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details: title = job.description.split(':')[-1].partition('(')[-1][:-1] msg = _('<p><b>Failed to convert: %s')%title msg += '<p>'+_(''' Many older ebook reader devices are incapable of displaying EPUB files that have internal components over a certain size. Therefore, when converting to EPUB, calibre automatically tries to split up the EPUB into smaller sized pieces. For some files that are large undifferentiated blocks of text, this splitting fails. <p>You can <b>work around the problem</b> by either increasing the maximum split size under EPUB Output in the conversion dialog, or by turning on Heuristic Processing, also in the conversion dialog. Note that if you make the maximum split size too large, your ebook reader may have trouble with the EPUB. ''') if not minz: d = error_dialog(self, _('Conversion Failed'), msg, det_msg=job.details) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.web.feeds.input.RecipeDisabled' in job.details: if not minz: msg = job.details msg = msg[msg.find('calibre.web.feeds.input.RecipeDisabled:'):] msg = msg.partition(':')[-1] d = error_dialog(self, _('Recipe Disabled'), '<p>%s</p>'%msg) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details: if not minz: import json payload = job.details.rpartition( 'calibre.ebooks.conversion.ConversionUserFeedBack:')[-1] payload = json.loads('{' + payload.partition('{')[-1]) d = {'info':info_dialog, 'warn':warning_dialog, 'error':error_dialog}.get(payload['level'], error_dialog) d = d(self, payload['title'], '<p>%s</p>'%payload['msg'], det_msg=payload['det_msg']) d.setModal(False) d.show() self._modeless_dialogs.append(d) return except: pass if job.killed: return try: prints(job.details, file=sys.stderr) except: pass if not minz: self.job_error_dialog.show_error(dialog_title, _('<b>Failed</b>')+': '+unicode(job.description), det_msg=job.details, retry_func=retry_func) def read_settings(self): geometry = config['main_window_geometry'] if geometry is not None: self.restoreGeometry(geometry) self.read_layout_settings() def write_settings(self): with gprefs: # Only write to gprefs once config.set('main_window_geometry', self.saveGeometry()) dynamic.set('sort_history', self.library_view.model().sort_history) self.save_layout_state() def quit(self, checked=True, restart=False, debug_on_restart=False, confirm_quit=True): if confirm_quit and not self.confirm_quit(): return try: self.shutdown() except: pass self.restart_after_quit = restart self.debug_on_restart = debug_on_restart QApplication.instance().quit() def donate(self, *args): open_url(QUrl('https://calibre-ebook.com/donate')) def confirm_quit(self): if self.job_manager.has_jobs(): msg = _('There are active jobs. Are you sure you want to quit?') if self.job_manager.has_device_jobs(): msg = '<p>'+__appname__ + \ _(''' is communicating with the device!<br> Quitting may cause corruption on the device.<br> Are you sure you want to quit?''')+'</p>' if not question_dialog(self, _('Active jobs'), msg): return False if self.proceed_question.questions: msg = _('There are library updates waiting. Are you sure you want to quit?') if not question_dialog(self, _('Library Updates Waiting'), msg): return False from calibre.db.delete_service import has_jobs if has_jobs(): msg = _('Some deleted books are still being moved to the Recycle ' 'Bin, if you quit now, they will be left behind. Are you ' 'sure you want to quit?') if not question_dialog(self, _('Active jobs'), msg): return False return True def shutdown(self, write_settings=True): self.show_shutdown_message() from calibre.customize.ui import has_library_closed_plugins if has_library_closed_plugins(): self.show_shutdown_message( _('Running database shutdown plugins. This could take a few seconds...')) self.grid_view.shutdown() db = None try: db = self.library_view.model().db cf = db.clean except: pass else: cf() # Save the current field_metadata for applications like calibre2opds # Goes here, because if cf is valid, db is valid. db.new_api.set_pref('field_metadata', db.field_metadata.all_metadata()) db.commit_dirty_cache() db.prefs.write_serialized(prefs['library_path']) for action in self.iactions.values(): if not action.shutting_down(): return if write_settings: self.write_settings() self.check_messages_timer.stop() if hasattr(self, 'update_checker'): self.update_checker.shutdown() self.listener.close() self.job_manager.server.close() self.job_manager.threaded_server.close() self.device_manager.keep_going = False self.auto_adder.stop() mb = self.library_view.model().metadata_backup if mb is not None: mb.stop() if db is not None: db.close() try: try: if self.content_server is not None: # If the content server has any sockets being closed then # this can take quite a long time (minutes). Tell the user that it is # happening. self.show_shutdown_message( _('Shutting down the content server. This could take a while ...')) s = self.content_server self.content_server = None s.exit() except: pass except KeyboardInterrupt: pass self.hide_windows() # Do not report any errors that happen after the shutdown # We cannot restore the original excepthook as that causes PyQt to # call abort() on unhandled exceptions import traceback def eh(t, v, tb): try: traceback.print_exception(t, v, tb, file=sys.stderr) except: pass sys.excepthook = eh if self._spare_pool is not None: self._spare_pool.shutdown() from calibre.db.delete_service import shutdown shutdown() time.sleep(2) self.istores.join() return True def run_wizard(self, *args): if self.confirm_quit(): self.run_wizard_b4_shutdown = True self.restart_after_quit = True try: self.shutdown(write_settings=False) except: pass QApplication.instance().quit() def closeEvent(self, e): self.write_settings() if self.system_tray_icon is not None and self.system_tray_icon.isVisible(): if not dynamic['systray_msg'] and not isosx: info_dialog(self, 'calibre', 'calibre '+ _('will keep running in the system tray. To close it, ' 'choose <b>Quit</b> in the context menu of the ' 'system tray.'), show_copy_button=False).exec_() dynamic['systray_msg'] = True self.hide_windows() e.ignore() else: if self.confirm_quit(): try: self.shutdown(write_settings=False) except: import traceback traceback.print_exc() e.accept() else: e.ignore()
class Splitter(QSplitter): state_changed = pyqtSignal(object) def __init__(self, name, label, icon, initial_show=True, initial_side_size=120, connect_button=True, orientation=Qt.Horizontal, side_index=0, parent=None, shortcut=None, hide_handle_on_single_panel=True): QSplitter.__init__(self, parent) if hide_handle_on_single_panel: self.state_changed.connect(self.update_handle_width) self.original_handle_width = self.handleWidth() self.resize_timer = QTimer(self) self.resize_timer.setSingleShot(True) self.desired_side_size = initial_side_size self.desired_show = initial_show self.resize_timer.setInterval(5) self.resize_timer.timeout.connect(self.do_resize) self.setOrientation(orientation) self.side_index = side_index self._name = name self.label = label self.initial_side_size = initial_side_size self.initial_show = initial_show self.splitterMoved.connect(self.splitter_moved, type=Qt.QueuedConnection) self.button = LayoutButton(icon, label, self, shortcut=shortcut) if connect_button: self.button.clicked.connect(self.double_clicked) if shortcut is not None: self.action_toggle = QAction(QIcon(icon), _('Toggle') + ' ' + label, self) self.action_toggle.changed.connect(self.update_shortcut) self.action_toggle.triggered.connect(self.toggle_triggered) if parent is not None: parent.addAction(self.action_toggle) if hasattr(parent, 'keyboard'): parent.keyboard.register_shortcut('splitter %s %s'%(name, label), unicode_type(self.action_toggle.text()), default_keys=(shortcut,), action=self.action_toggle) else: self.action_toggle.setShortcut(shortcut) else: self.action_toggle.setShortcut(shortcut) def update_shortcut(self): self.button.update_shortcut(self.action_toggle) def toggle_triggered(self, *args): self.toggle_side_pane() def createHandle(self): return SplitterHandle(self.orientation(), self) def initialize(self): for i in range(self.count()): h = self.handle(i) if h is not None: h.splitter_moved() self.state_changed.emit(not self.is_side_index_hidden) def splitter_moved(self, *args): self.desired_side_size = self.side_index_size self.state_changed.emit(not self.is_side_index_hidden) def update_handle_width(self, not_one_panel): self.setHandleWidth(self.original_handle_width if not_one_panel else 0) @property def is_side_index_hidden(self): sizes = list(self.sizes()) try: return sizes[self.side_index] == 0 except IndexError: return True @property def save_name(self): ori = 'horizontal' if self.orientation() == Qt.Horizontal \ else 'vertical' return self._name + '_' + ori def print_sizes(self): if self.count() > 1: print(self.save_name, 'side:', self.side_index_size, 'other:', end=' ') print(list(self.sizes())[self.other_index]) @dynamic_property def side_index_size(self): def fget(self): if self.count() < 2: return 0 return self.sizes()[self.side_index] def fset(self, val): if self.count() < 2: return if val == 0 and not self.is_side_index_hidden: self.save_state() sizes = list(self.sizes()) for i in range(len(sizes)): sizes[i] = val if i == self.side_index else 10 self.setSizes(sizes) total = sum(self.sizes()) sizes = list(self.sizes()) for i in range(len(sizes)): sizes[i] = val if i == self.side_index else total-val self.setSizes(sizes) self.initialize() return property(fget=fget, fset=fset) def do_resize(self, *args): orig = self.desired_side_size QSplitter.resizeEvent(self, self._resize_ev) if orig > 20 and self.desired_show: c = 0 while abs(self.side_index_size - orig) > 10 and c < 5: self.apply_state(self.get_state(), save_desired=False) c += 1 def resizeEvent(self, ev): if self.resize_timer.isActive(): self.resize_timer.stop() self._resize_ev = ev self.resize_timer.start() def get_state(self): if self.count() < 2: return (False, 200) return (self.desired_show, self.desired_side_size) def apply_state(self, state, save_desired=True): if state[0]: self.side_index_size = state[1] if save_desired: self.desired_side_size = self.side_index_size else: self.side_index_size = 0 self.desired_show = state[0] def default_state(self): return (self.initial_show, self.initial_side_size) # Public API {{{ def update_desired_state(self): self.desired_show = not self.is_side_index_hidden def save_state(self): if self.count() > 1: gprefs[self.save_name+'_state'] = self.get_state() @property def other_index(self): return (self.side_index+1)%2 def restore_state(self): if self.count() > 1: state = gprefs.get(self.save_name+'_state', self.default_state()) self.apply_state(state, save_desired=False) self.desired_side_size = state[1] def toggle_side_pane(self, hide=None): if hide is None: action = 'show' if self.is_side_index_hidden else 'hide' else: action = 'hide' if hide else 'show' getattr(self, action+'_side_pane')() def show_side_pane(self): if self.count() < 2 or not self.is_side_index_hidden: return if self.desired_side_size == 0: self.desired_side_size = self.initial_side_size self.apply_state((True, self.desired_side_size)) def hide_side_pane(self): if self.count() < 2 or self.is_side_index_hidden: return self.apply_state((False, self.desired_side_size)) def double_clicked(self, *args): self.toggle_side_pane()
def genesis(self): md = self.qaction.menu() cm = partial(self.create_menu_action, md) cm('individual', _('Edit metadata individually'), icon=self.qaction.icon(), triggered=partial(self.edit_metadata, False, bulk=False)) cm('bulk', _('Edit metadata in bulk'), triggered=partial(self.edit_metadata, False, bulk=True)) md.addSeparator() cm('download', _('Download metadata and covers'), triggered=partial(self.download_metadata, ids=None), shortcut='Ctrl+D') self.metadata_menu = md self.metamerge_menu = mb = QMenu() cm2 = partial(self.create_menu_action, mb) cm2('merge delete', _('Merge into first selected book - delete others'), triggered=self.merge_books) mb.addSeparator() cm2('merge keep', _('Merge into first selected book - keep others'), triggered=partial(self.merge_books, safe_merge=True), shortcut='Alt+M') mb.addSeparator() cm2('merge formats', _('Merge only formats into first selected book - delete others'), triggered=partial(self.merge_books, merge_only_formats=True), shortcut='Alt+Shift+M') self.merge_menu = mb md.addSeparator() self.action_copy = cm('copy', _('Copy metadata'), icon='edit-copy.png', triggered=self.copy_metadata) self.action_paset = cm('paste', _('Paste metadata'), icon='edit-paste.png', triggered=self.paste_metadata) self.action_merge = cm('merge', _('Merge book records'), icon='merge_books.png', shortcut=_('M'), triggered=self.merge_books) self.action_merge.setMenu(mb) self.qaction.triggered.connect(self.edit_metadata) ac = QAction(_('Copy URL to show book in calibre'), self.gui) ac.setToolTip( _('Copy URLs to show the currently selected books in calibre, to the system clipboard' )) ac.triggered.connect(self.copy_show_link) self.gui.addAction(ac) self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + 'copy_show_book', ac.text(), description=ac.toolTip(), action=ac, group=self.action_spec[0]) ac = QAction(_('Copy URL to open book in calibre'), self.gui) ac.triggered.connect(self.copy_view_link) ac.setToolTip( _('Copy URLs to open the currently selected books in calibre, to the system clipboard' )) self.gui.addAction(ac) self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + 'copy_view_book', ac.text(), description=ac.toolTip(), action=ac, group=self.action_spec[0])