Python QTabWidget.tabBar方法代码示例

# 需要导入模块: from PyQt5.Qt import QTabWidget [as 别名]
# 或者: from PyQt5.Qt.QTabWidget import tabBar [as 别名]

#.........这里部分代码省略.........
            ac = getattr(self.editor, 'action_'+x)
            self.toolbar1.addAction(ac)

        self.toolbar1.addSeparator()
        self.toolbar1.addAction(self.editor.action_background)
        # }}}

        # toolbar2 {{{
        for x in ('', 'un'):
            ac = getattr(self.editor, 'action_%sordered_list'%x)
            self.toolbar2.addAction(ac)
        self.toolbar2.addSeparator()
        for x in ('superscript', 'subscript', 'indent', 'outdent'):
            self.toolbar2.addAction(getattr(self.editor, 'action_' + x))
            if x in ('subscript', 'outdent'):
                self.toolbar2.addSeparator()

        self.toolbar2.addAction(self.editor.action_block_style)
        w = self.toolbar2.widgetForAction(self.editor.action_block_style)
        w.setPopupMode(w.InstantPopup)
        self.toolbar2.addAction(self.editor.action_insert_link)
        # }}}

        # toolbar3 {{{
        for x in ('bold', 'italic', 'underline', 'strikethrough'):
            ac = getattr(self.editor, 'action_'+x)
            self.toolbar3.addAction(ac)
        self.toolbar3.addSeparator()

        for x in ('left', 'center', 'right', 'justified'):
            ac = getattr(self.editor, 'action_align_'+x)
            self.toolbar3.addAction(ac)
        self.toolbar3.addSeparator()
        self.toolbar3.addAction(self.editor.action_color)
        # }}}

        self.code_edit.textChanged.connect(self.code_dirtied)
        self.editor.page().contentsChanged.connect(self.wyswyg_dirtied)

    def set_minimum_height_for_editor(self, val):
        self.editor.setMinimumHeight(val)

    @dynamic_property
    def html(self):
        def fset(self, v):
            self.editor.html = v
        def fget(self):
            self.tabs.setCurrentIndex(0)
            return self.editor.html
        return property(fget=fget, fset=fset)

    def change_tab(self, index):
        # print 'reloading:', (index and self.wyswyg_dirty) or (not index and
        #        self.source_dirty)
        if index == 1:  # changing to code view
            if self.wyswyg_dirty:
                self.code_edit.setPlainText(self.editor.html)
                self.wyswyg_dirty = False
        elif index == 0:  # changing to wyswyg
            if self.source_dirty:
                self.editor.html = unicode(self.code_edit.toPlainText())
                self.source_dirty = False

    @dynamic_property
    def tab(self):
        def fget(self):
            return 'code' if self.tabs.currentWidget() is self.code_edit else 'wyswyg'
        def fset(self, val):
            self.tabs.setCurrentWidget(self.code_edit if val == 'code' else self.wyswyg)
        return property(fget=fget, fset=fset)

    def wyswyg_dirtied(self, *args):
        self.wyswyg_dirty = True

    def code_dirtied(self, *args):
        self.source_dirty = True

    def hide_toolbars(self):
        self.toolbar1.setVisible(False)
        self.toolbar2.setVisible(False)
        self.toolbar3.setVisible(False)

    def show_toolbars(self):
        self.toolbar1.setVisible(True)
        self.toolbar2.setVisible(True)
        self.toolbar3.setVisible(True)

    @dynamic_property
    def toolbars_visible(self):
        def fget(self):
            return self.toolbar1.isVisible() or self.toolbar2.isVisible() or self.toolbar3.isVisible()
        def fset(self, val):
            getattr(self, ('show' if val else 'hide') + '_toolbars')()
        return property(fget=fget, fset=fset)

    def set_readonly(self, what):
        self.editor.set_readonly(what)

    def hide_tabs(self):
        self.tabs.tabBar().setVisible(False)

# 需要导入模块: from PyQt5.Qt import QTabWidget [as 别名]
# 或者: from PyQt5.Qt.QTabWidget import tabBar [as 别名]
class MainWin(QMainWindow):
    """ It's a window, stores a TabWidget """

    def __init__(self, parent=None):
        super(MainWin, self).__init__(parent)
        self.setWindowTitle("Eilat Browser")
        # gc.set_debug(gc.DEBUG_LEAK)

        self.last_closed = None

        self.tab_widget = QTabWidget(self)
        self.tab_widget.setTabBar(MidClickTabBar(self))
        self.tab_widget.tabBar().setMovable(True)
        self.tab_widget.setTabsClosable(True)

        # the right side of the tab already has the space for
        # a non-shown close button
        self.tab_widget.setStyleSheet(
            'QTabBar::tab {padding-top: 0px; padding-bottom: 0px; '
            'padding-left: 0.3em;} '
            'QTabBar::tab:selected {color: #00f;}')

        # tabCloseRequested carries int (index of a tab)
        self.tab_widget.tabCloseRequested.connect(self.del_tab)

        self.setCentralWidget(self.tab_widget)

        self.tooltip = NotifyLabel(parent=self)

        def restore_last_closed():
            """ One-use callback for QShortcut.
            Opens a fresh new tab with the url address of the last tab closed
            """
            if self.last_closed is not None:
                url = self.last_closed
                self.add_tab(url)
                self.last_closed = None

        def dump_gc():
            """ prints sizes for large memory collectable objects """
            objs = gc.get_objects()
            pairs = [(str(k)[:80], type(k).__name__, sys.getsizeof(k))
                     for k in objs if sys.getsizeof(k) > 1024*4*5]

            for pair in pairs:
                print(pair)

        def reload_disk_init():
            """ transfer options.yaml and the css directory to global maps """
            load_options()
            load_css()
            notify("reloaded disk config")

        set_shortcuts([
            ("F9", self, dump_gc),
            # reload configuration
            ("Ctrl+Shift+R", self, reload_disk_init),
            # new tabs
            ("Ctrl+T", self, self.add_tab),
            ("Ctrl+Shift+T", self, partial(self.add_tab, scripting=True)),
            ("Y", self, self.new_tab_from_clipboard),
            # movement
            ("M", self, self.inc_tab),
            ("N", self, partial(self.inc_tab, -1)),
            ("Ctrl+PgUp", self, partial(self.inc_tab, -1)),
            ("Ctrl+PgDown", self, self.inc_tab),
            # destroy/undestroy
            ("U", self, restore_last_closed),
            ("Ctrl+W", self, self.del_tab),
            ("Ctrl+Q", self, self.finalize)
            ])

    def new_tab_from_clipboard(self):
        """ One-use callback for QShortcut.
        Reads the content of the PRIMARY clipboard and navigates to it
        on a new tab.

        """

        url = clipboard()

        if url is not None:
            self.add_tab(url)

    # aux. action (en register_actions)
    def inc_tab(self, incby=1):
        """ Takes the current tab index, modifies wrapping around,
        and sets as current.

        Afterwards the active tab has focus on its webkit area.

        """
        if self.tab_widget.count() < 2:
            return
        idx = self.tab_widget.currentIndex()
        idx += incby
        if idx < 0:
            idx = self.tab_widget.count()-1
        elif idx >= self.tab_widget.count():
            idx = 0
#.........这里部分代码省略.........