Exemplo n.º 1
0
class Preferences(QDialog):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QDialog.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.do_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height() - 25, available_width() - 10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)

        geom = gprefs.get('preferences dialog geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.ApplicationModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))
        self.l = l = QVBoxLayout(self)

        self.stack = QStackedWidget(self)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close
                                   | QDialogButtonBox.Apply
                                   | QDialogButtonBox.Discard
                                   | QDialogButtonBox.RestoreDefaults)
        self.bb.button(self.bb.Apply).clicked.connect(self.accept)
        self.bb.button(self.bb.Discard).clicked.connect(self.reject)
        self.bb.button(self.bb.RestoreDefaults).setIcon(
            QIcon(I('clear_left.png')))
        self.bb.button(self.bb.RestoreDefaults).clicked.connect(
            self.restore_defaults)
        self.wizard_button = self.bb.addButton(_('Run Welcome &wizard'),
                                               self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                                           type=Qt.QueuedConnection)
        self.wizard_button.setAutoDefault(False)
        self.bb.rejected.connect(self.reject)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.title_bar = TitleBar(self)
        for ac, tt in [(self.bb.Apply, _('Save changes')),
                       (self.bb.Discard, _('Cancel and return to overview'))]:
            self.bb.button(ac).setToolTip(tt)

        l.addWidget(self.title_bar), l.addWidget(self.stack), l.addWidget(
            self.bb)

        if initial_plugin is not None:
            category, name = initial_plugin[:2]
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)
                if len(initial_plugin) > 2:
                    w = self.findChild(QWidget, initial_plugin[2])
                    if w is not None:
                        for c in self.showing_widget.children():
                            if isinstance(c, QTabWidget):
                                idx = c.indexOf(w)
                                if idx > -1:
                                    c.setCurrentIndex(idx)
                                    break
        else:
            self.hide_plugin()

    def event(self, ev):
        if isinstance(ev, QStatusTipEvent):
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            self.title_bar.show_msg(msg)
        return QDialog.event(self, ev)

    def run_wizard(self):
        self.run_wizard_requested.emit()
        self.accept()

    def set_tooltips_for_labels(self):
        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode_type(buddy.toolTip()).strip()
                        etext = unicode_type(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                            plugin.gui_name)
        self.showing_widget.restart_now.connect(self.restart_now)
        self.title_bar.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))

        self.bb.button(self.bb.Close).setVisible(False)
        self.wizard_button.setVisible(False)
        for button in (self.bb.Apply, self.bb.RestoreDefaults,
                       self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(True)

        self.bb.button(self.bb.Apply).setEnabled(False)
        self.bb.button(self.bb.Apply).setDefault(False), self.bb.button(
            self.bb.Apply).setDefault(True)
        self.bb.button(self.bb.RestoreDefaults).setEnabled(
            self.showing_widget.supports_restoring_to_defaults)
        self.bb.button(self.bb.RestoreDefaults).setToolTip(
            self.showing_widget.restore_defaults_desc if self.showing_widget.
            supports_restoring_to_defaults else (
                _('Restoring to defaults not supported for') + ' ' +
                plugin.gui_name))
        self.bb.button(self.bb.RestoreDefaults).setText(_('Restore &defaults'))
        self.showing_widget.changed_signal.connect(self.changed_signal)

    def changed_signal(self):
        b = self.bb.button(self.bb.Apply)
        b.setEnabled(True)

    def hide_plugin(self):
        for sig in 'changed_signal restart_now'.split():
            try:
                getattr(self.showing_widget,
                        sig).disconnect(getattr(self, sig))
            except Exception:
                pass
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.stack.setCurrentIndex(0)
        self.title_bar.show_plugin()
        self.setWindowIcon(QIcon(I('config.png')))

        for button in (self.bb.Apply, self.bb.RestoreDefaults,
                       self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(False)

        self.bb.button(self.bb.Close).setVisible(True)
        self.bb.button(self.bb.Close).setDefault(False), self.bb.button(
            self.bb.Close).setDefault(True)
        self.wizard_button.setVisible(True)

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.do_restart = True
        self.hide_plugin()
        self.accept()

    def commit(self, *args):
        must_restart = self.showing_widget.commit()
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        if do_restart:
            self.do_restart = True
        return self.close_after_initial or (must_restart and rc) or do_restart

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def on_shutdown(self):
        gprefs.set('preferences dialog geometry',
                   bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(
                bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

    def accept(self):
        if self.stack.currentIndex() == 0:
            self.on_shutdown()
            return QDialog.accept(self)
        try:
            close = self.commit()
        except AbortCommit:
            return
        if close:
            self.on_shutdown()
            return QDialog.accept(self)
        self.hide_plugin()

    def reject(self):
        if self.stack.currentIndex() == 0 or self.close_after_initial:
            self.on_shutdown()
            return QDialog.reject(self)
        self.hide_plugin()
Exemplo n.º 2
0
class Preferences(QDialog):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QDialog.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.do_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height()-25, available_width()-10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)

        geom = gprefs.get('preferences dialog geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.ApplicationModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))
        self.l = l = QVBoxLayout(self)

        self.stack = QStackedWidget(self)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close | QDialogButtonBox.Apply | QDialogButtonBox.Discard | QDialogButtonBox.RestoreDefaults)
        self.bb.button(self.bb.Apply).clicked.connect(self.accept)
        self.bb.button(self.bb.Discard).clicked.connect(self.reject)
        self.bb.button(self.bb.RestoreDefaults).setIcon(QIcon(I('clear_left.png')))
        self.bb.button(self.bb.RestoreDefaults).clicked.connect(self.restore_defaults)
        self.wizard_button = self.bb.addButton(_('Run Welcome &wizard'), self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard, type=Qt.QueuedConnection)
        self.wizard_button.setAutoDefault(False)
        self.bb.rejected.connect(self.reject)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.title_bar = TitleBar(self)
        for ac, tt in [(self.bb.Apply, _('Save changes')),
                (self.bb.Discard, _('Cancel and return to overview'))]:
            self.bb.button(ac).setToolTip(tt)

        l.addWidget(self.title_bar), l.addWidget(self.stack), l.addWidget(self.bb)

        if initial_plugin is not None:
            category, name = initial_plugin[:2]
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)
                if len(initial_plugin) > 2:
                    w = self.findChild(QWidget, initial_plugin[2])
                    if w is not None:
                        for c in self.showing_widget.children():
                            if isinstance(c, QTabWidget):
                                idx = c.indexOf(w)
                                if idx > -1:
                                    c.setCurrentIndex(idx)
                                    break
        else:
            self.hide_plugin()

    def event(self, ev):
        if isinstance(ev, QStatusTipEvent):
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            self.title_bar.show_msg(msg)
        return QDialog.event(self, ev)

    def run_wizard(self):
        self.run_wizard_requested.emit()
        self.accept()

    def set_tooltips_for_labels(self):

        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode_type(buddy.toolTip()).strip()
                        etext = unicode_type(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' + plugin.gui_name)
        self.showing_widget.restart_now.connect(self.restart_now)
        self.title_bar.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))

        self.bb.button(self.bb.Close).setVisible(False)
        self.wizard_button.setVisible(False)
        for button in (self.bb.Apply, self.bb.RestoreDefaults, self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(True)

        self.bb.button(self.bb.Apply).setEnabled(False)
        self.bb.button(self.bb.Apply).setDefault(False), self.bb.button(self.bb.Apply).setDefault(True)
        self.bb.button(self.bb.RestoreDefaults).setEnabled(self.showing_widget.supports_restoring_to_defaults)
        self.bb.button(self.bb.RestoreDefaults).setToolTip(
            self.showing_widget.restore_defaults_desc if self.showing_widget.supports_restoring_to_defaults else
            (_('Restoring to defaults not supported for') + ' ' + plugin.gui_name))
        self.bb.button(self.bb.RestoreDefaults).setText(_('Restore &defaults'))
        self.showing_widget.changed_signal.connect(self.changed_signal)

    def changed_signal(self):
        b = self.bb.button(self.bb.Apply)
        b.setEnabled(True)

    def hide_plugin(self):
        for sig in 'changed_signal restart_now'.split():
            try:
                getattr(self.showing_widget, sig).disconnect(getattr(self, sig))
            except Exception:
                pass
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.stack.setCurrentIndex(0)
        self.title_bar.show_plugin()
        self.setWindowIcon(QIcon(I('config.png')))

        for button in (self.bb.Apply, self.bb.RestoreDefaults, self.bb.Discard):
            button = self.bb.button(button)
            button.setVisible(False)

        self.bb.button(self.bb.Close).setVisible(True)
        self.bb.button(self.bb.Close).setDefault(False), self.bb.button(self.bb.Close).setDefault(True)
        self.wizard_button.setVisible(True)

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.do_restart = True
        self.hide_plugin()
        self.accept()

    def commit(self, *args):
        must_restart = self.showing_widget.commit()
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        if do_restart:
            self.do_restart = True
        return self.close_after_initial or (must_restart and rc) or do_restart

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def on_shutdown(self):
        gprefs.set('preferences dialog geometry', bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

    def accept(self):
        if self.stack.currentIndex() == 0:
            self.on_shutdown()
            return QDialog.accept(self)
        try:
            close = self.commit()
        except AbortCommit:
            return
        if close:
            self.on_shutdown()
            return QDialog.accept(self)
        self.hide_plugin()

    def reject(self):
        if self.stack.currentIndex() == 0 or self.close_after_initial:
            self.on_shutdown()
            return QDialog.reject(self)
        self.hide_plugin()
Exemplo n.º 3
0
class Preferences(QMainWindow):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QMainWindow.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height() - 25, available_width() - 10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)
        self.esc_action = QAction(self)
        self.addAction(self.esc_action)
        self.esc_action.setShortcut(QKeySequence(Qt.Key_Escape))
        self.esc_action.triggered.connect(self.esc)

        geom = gprefs.get('preferences_window_geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.WindowModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.status_bar = StatusBar(self)
        self.setStatusBar(self.status_bar)

        self.stack = QStackedWidget(self)
        self.cw = QWidget(self)
        self.cw.setLayout(QVBoxLayout())
        self.cw.layout().addWidget(self.stack)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        self.wizard_button = self.bb.addButton(_('Run welcome wizard'),
                                               self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                                           type=Qt.QueuedConnection)
        self.cw.layout().addWidget(self.bb)
        self.bb.button(self.bb.Close).setDefault(True)
        self.bb.rejected.connect(self.close, type=Qt.QueuedConnection)
        self.setCentralWidget(self.cw)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.bar = QToolBar(self)
        self.addToolBar(self.bar)
        self.bar.setVisible(False)
        self.bar.setIconSize(QSize(ICON_SIZE, ICON_SIZE))
        self.bar.setMovable(False)
        self.bar.setFloatable(False)
        self.bar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        self.apply_action = self.bar.addAction(QIcon(I('ok.png')), _('&Apply'),
                                               self.commit)
        self.cancel_action = self.bar.addAction(QIcon(I('window-close.png')),
                                                _('&Cancel'), self.cancel)
        self.bar_title = BarTitle(self.bar)
        self.bar.addWidget(self.bar_title)
        self.restore_action = self.bar.addAction(QIcon(I('clear_left.png')),
                                                 _('Restore &defaults'),
                                                 self.restore_defaults)
        for ac, tt in [('apply', _('Save changes')),
                       ('cancel', _('Cancel and return to overview'))]:
            ac = getattr(self, ac + '_action')
            ac.setToolTip(tt)
            ac.setWhatsThis(tt)
            ac.setStatusTip(tt)

        for ch in self.bar.children():
            if isinstance(ch, QToolButton):
                ch.setCursor(Qt.PointingHandCursor)
                ch.setAutoRaise(True)

        self.stack.setCurrentIndex(0)

        if initial_plugin is not None:
            category, name = initial_plugin
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)

    def event(self, ev):
        if ev.type() == ev.StatusTip:
            msg = re.sub(r'</?[a-z1-6]+>', ' ', ev.tip())
            ev = QStatusTipEvent(msg)
        return QMainWindow.event(self, ev)

    def run_wizard(self):
        self.close()
        self.run_wizard_requested.emit()

    def set_tooltips_for_labels(self):
        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode(buddy.toolTip()).strip()
                        etext = unicode(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                            plugin.gui_name)
        self.apply_action.setEnabled(False)
        self.showing_widget.changed_signal.connect(
            lambda: self.apply_action.setEnabled(True))
        self.showing_widget.restart_now.connect(self.restart_now)
        self.restore_action.setEnabled(
            self.showing_widget.supports_restoring_to_defaults)
        tt = self.showing_widget.restore_defaults_desc
        if not self.restore_action.isEnabled():
            tt = _('Restoring to defaults not supported for') + ' ' + \
                plugin.gui_name
        self.restore_action.setToolTip(textwrap.fill(tt))
        self.restore_action.setWhatsThis(textwrap.fill(tt))
        self.restore_action.setStatusTip(tt)
        self.bar_title.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))
        self.bar.setVisible(True)
        self.bb.setVisible(False)

    def hide_plugin(self):
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.bar.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.setWindowIcon(QIcon(I('config.png')))
        self.bb.setVisible(True)

    def esc(self, *args):
        if self.stack.currentIndex() == 1:
            self.cancel()
        elif self.stack.currentIndex() == 0:
            self.close()

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.hide_plugin()
        self.close()
        self.gui.quit(restart=True)

    def commit(self, *args):
        try:
            must_restart = self.showing_widget.commit()
        except AbortCommit:
            return
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        self.hide_plugin()
        if self.close_after_initial or (must_restart and rc) or do_restart:
            self.close()
        if do_restart:
            self.gui.quit(restart=True)

    def cancel(self, *args):
        if self.close_after_initial:
            self.close()
        else:
            self.hide_plugin()

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def closeEvent(self, *args):
        gprefs.set('preferences_window_geometry',
                   bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(
                bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

        return QMainWindow.closeEvent(self, *args)
Exemplo n.º 4
0
class Preferences(QMainWindow):

    run_wizard_requested = pyqtSignal()

    def __init__(self, gui, initial_plugin=None, close_after_initial=False):
        QMainWindow.__init__(self, gui)
        self.gui = gui
        self.must_restart = False
        self.committed = False
        self.close_after_initial = close_after_initial

        self.resize(930, 720)
        nh, nw = min_available_height()-25, available_width()-10
        if nh < 0:
            nh = 800
        if nw < 0:
            nw = 600
        nh = min(self.height(), nh)
        nw = min(self.width(), nw)
        self.resize(nw, nh)
        self.esc_action = QAction(self)
        self.addAction(self.esc_action)
        self.esc_action.setShortcut(QKeySequence(Qt.Key_Escape))
        self.esc_action.triggered.connect(self.esc)

        geom = gprefs.get('preferences_window_geometry', None)
        if geom is not None:
            self.restoreGeometry(geom)

        # Center
        if islinux:
            self.move(gui.rect().center() - self.rect().center())

        self.setWindowModality(Qt.WindowModal)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.setWindowIcon(QIcon(I('config.png')))

        self.status_bar = StatusBar(self)
        self.setStatusBar(self.status_bar)

        self.stack = QStackedWidget(self)
        self.cw = QWidget(self)
        self.cw.setLayout(QVBoxLayout())
        self.cw.layout().addWidget(self.stack)
        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        self.wizard_button = self.bb.addButton(_('Run welcome wizard'),
                self.bb.ActionRole)
        self.wizard_button.setIcon(QIcon(I('wizard.png')))
        self.wizard_button.clicked.connect(self.run_wizard,
                type=Qt.QueuedConnection)
        self.cw.layout().addWidget(self.bb)
        self.bb.button(self.bb.Close).setDefault(True)
        self.bb.rejected.connect(self.close, type=Qt.QueuedConnection)
        self.setCentralWidget(self.cw)
        self.browser = Browser(self)
        self.browser.show_plugin.connect(self.show_plugin)
        self.stack.addWidget(self.browser)
        self.scroll_area = QScrollArea(self)
        self.stack.addWidget(self.scroll_area)
        self.scroll_area.setWidgetResizable(True)

        self.setContextMenuPolicy(Qt.NoContextMenu)
        self.bar = QToolBar(self)
        self.addToolBar(self.bar)
        self.bar.setVisible(False)
        self.bar.setIconSize(QSize(ICON_SIZE, ICON_SIZE))
        self.bar.setMovable(False)
        self.bar.setFloatable(False)
        self.bar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        self.apply_action = self.bar.addAction(QIcon(I('ok.png')), _('&Apply'),
                self.commit)
        self.cancel_action = self.bar.addAction(QIcon(I('window-close.png')),
                _('&Cancel'),                self.cancel)
        self.bar_title = BarTitle(self.bar)
        self.bar.addWidget(self.bar_title)
        self.restore_action = self.bar.addAction(QIcon(I('clear_left.png')),
                _('Restore &defaults'), self.restore_defaults)
        for ac, tt in [('apply', _('Save changes')),
                ('cancel', _('Cancel and return to overview'))]:
            ac = getattr(self, ac+'_action')
            ac.setToolTip(tt)
            ac.setWhatsThis(tt)
            ac.setStatusTip(tt)

        for ch in self.bar.children():
            if isinstance(ch, QToolButton):
                ch.setCursor(Qt.PointingHandCursor)
                ch.setAutoRaise(True)

        self.stack.setCurrentIndex(0)

        if initial_plugin is not None:
            category, name = initial_plugin
            plugin = get_plugin(category, name)
            if plugin is not None:
                self.show_plugin(plugin)

    def run_wizard(self):
        self.close()
        self.run_wizard_requested.emit()

    def set_tooltips_for_labels(self):

        def process_child(child):
            for g in child.children():
                if isinstance(g, QLabel):
                    buddy = g.buddy()
                    if buddy is not None and hasattr(buddy, 'toolTip'):
                        htext = unicode(buddy.toolTip()).strip()
                        etext = unicode(g.toolTip()).strip()
                        if htext and not etext:
                            g.setToolTip(htext)
                            g.setWhatsThis(htext)
                else:
                    process_child(g)

        process_child(self.showing_widget)

    def show_plugin(self, plugin):
        self.showing_widget = plugin.create_widget(self.scroll_area)
        self.showing_widget.genesis(self.gui)
        self.showing_widget.initialize()
        self.set_tooltips_for_labels()
        self.scroll_area.setWidget(self.showing_widget)
        self.stack.setCurrentIndex(1)
        self.showing_widget.show()
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences') + ' - ' +
                plugin.gui_name)
        self.apply_action.setEnabled(False)
        self.showing_widget.changed_signal.connect(lambda :
                self.apply_action.setEnabled(True))
        self.showing_widget.restart_now.connect(self.restart_now)
        self.restore_action.setEnabled(self.showing_widget.supports_restoring_to_defaults)
        tt = self.showing_widget.restore_defaults_desc
        if not self.restore_action.isEnabled():
            tt = _('Restoring to defaults not supported for') + ' ' + \
                plugin.gui_name
        self.restore_action.setToolTip(textwrap.fill(tt))
        self.restore_action.setWhatsThis(textwrap.fill(tt))
        self.restore_action.setStatusTip(tt)
        self.bar_title.show_plugin(plugin)
        self.setWindowIcon(QIcon(plugin.icon))
        self.bar.setVisible(True)
        self.bb.setVisible(False)

    def hide_plugin(self):
        self.showing_widget = QWidget(self.scroll_area)
        self.scroll_area.setWidget(self.showing_widget)
        self.setWindowTitle(__appname__ + ' - ' + _('Preferences'))
        self.bar.setVisible(False)
        self.stack.setCurrentIndex(0)
        self.setWindowIcon(QIcon(I('config.png')))
        self.bb.setVisible(True)

    def esc(self, *args):
        if self.stack.currentIndex() == 1:
            self.cancel()
        elif self.stack.currentIndex() == 0:
            self.close()

    def restart_now(self):
        try:
            self.showing_widget.commit()
        except AbortCommit:
            return
        self.hide_plugin()
        self.close()
        self.gui.quit(restart=True)

    def commit(self, *args):
        try:
            must_restart = self.showing_widget.commit()
        except AbortCommit:
            return
        rc = self.showing_widget.restart_critical
        self.committed = True
        do_restart = False
        if must_restart:
            self.must_restart = True
            msg = _('Some of the changes you made require a restart.'
                    ' Please restart calibre as soon as possible.')
            if rc:
                msg = _('The changes you have made require calibre be '
                        'restarted immediately. You will not be allowed to '
                        'set any more preferences, until you restart.')

            do_restart = show_restart_warning(msg, parent=self)

        self.showing_widget.refresh_gui(self.gui)
        self.hide_plugin()
        if self.close_after_initial or (must_restart and rc) or do_restart:
            self.close()
        if do_restart:
            self.gui.quit(restart=True)

    def cancel(self, *args):
        if self.close_after_initial:
            self.close()
        else:
            self.hide_plugin()

    def restore_defaults(self, *args):
        self.showing_widget.restore_defaults()

    def closeEvent(self, *args):
        gprefs.set('preferences_window_geometry',
                bytearray(self.saveGeometry()))
        if self.committed:
            self.gui.must_restart_before_config = self.must_restart
            self.gui.tags_view.recount()
            self.gui.create_device_menu()
            self.gui.set_device_menu_items_state(bool(self.gui.device_connected))
            self.gui.bars_manager.apply_settings()
            self.gui.bars_manager.update_bars()
            self.gui.build_context_menus()

        return QMainWindow.closeEvent(self, *args)