Python QMenu.fontMetrics方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QMenu [as 别名]
# 或者: from PyQt5.QtWidgets.QMenu import fontMetrics [as 别名]

#.........这里部分代码省略.........
            self.__historyMenuModel = HistoryMenuModel(
                self.__historyManager.historyTreeModel(), self)
            self.setModel(self.__historyMenuModel)
        
        # initial actions
        for act in self.__initialActions:
            self.addAction(act)
        if len(self.__initialActions) != 0:
            self.addSeparator()
        self.setFirstSeparator(self.__historyMenuModel.bumpedRows())
        
        return False
    
    def postPopulated(self):
        """
        Public method to add any actions after the tree.
        """
        if len(self.__historyManager.history()) > 0:
            self.addSeparator()
        
        if self.__mostVisitedMenu is None:
            self.__mostVisitedMenu = HistoryMostVisitedMenu(10, self)
            self.__mostVisitedMenu.setTitle(self.tr("Most Visited"))
            self.__mostVisitedMenu.openUrl.connect(self.openUrl)
            self.__mostVisitedMenu.newUrl.connect(self.newUrl)
        self.addMenu(self.__mostVisitedMenu)
        act = self.addMenu(self.__closedTabsMenu)
        act.setIcon(UI.PixmapCache.getIcon("trash.png"))
        act.setEnabled(self.__tabWidget.canRestoreClosedTab())
        self.addSeparator()
        
        act = self.addAction(UI.PixmapCache.getIcon("history.png"),
                             self.tr("Show All History..."))
        act.triggered.connect(self.__showHistoryDialog)
        act = self.addAction(UI.PixmapCache.getIcon("historyClear.png"),
                             self.tr("Clear History..."))
        act.triggered.connect(self.__clearHistoryDialog)
    
    def setInitialActions(self, actions):
        """
        Public method to set the list of actions that should appear first in
        the menu.
        
        @param actions list of initial actions (list of QAction)
        """
        self.__initialActions = actions[:]
        for act in self.__initialActions:
            self.addAction(act)
    
    def __showHistoryDialog(self):
        """
        Private slot to show the history dialog.
        """
        from .HistoryDialog import HistoryDialog
        dlg = HistoryDialog(self)
        dlg.newUrl.connect(self.newUrl)
        dlg.openUrl.connect(self.openUrl)
        dlg.show()
    
    def __clearHistoryDialog(self):
        """
        Private slot to clear the history.
        """
        if self.__historyManager is not None and E5MessageBox.yesNo(
                self,
                self.tr("Clear History"),
                self.tr("""Do you want to clear the history?""")):
            self.__historyManager.clear()
    
    def __aboutToShowClosedTabsMenu(self):
        """
        Private slot to populate the closed tabs menu.
        """
        fm = self.__closedTabsMenu.fontMetrics()
        maxWidth = fm.width('m') * 40
        
        import Helpviewer.HelpWindow
        self.__closedTabsMenu.clear()
        index = 0
        for tab in self.__tabWidget.closedTabsManager().allClosedTabs():
            title = fm.elidedText(tab.title, Qt.ElideRight, maxWidth)
            self.__closedTabsMenu.addAction(
                Helpviewer.HelpWindow.HelpWindow.icon(tab.url), title,
                self.__tabWidget.restoreClosedTab).setData(index)
            index += 1
        self.__closedTabsMenu.addSeparator()
        self.__closedTabsMenu.addAction(
            self.tr("Restore All Closed Tabs"),
            self.__tabWidget.restoreAllClosedTabs)
        self.__closedTabsMenu.addAction(
            self.tr("Clear List"),
            self.__tabWidget.clearClosedTabsList)
    
    def __closedTabAvailable(self, avail):
        """
        Private slot to handle changes of the availability of closed tabs.
        
        @param avail flag indicating the availability of closed tabs (boolean)
        """
        self.__closedTabsMenu.setEnabled(avail)

# 需要导入模块: from PyQt5.QtWidgets import QMenu [as 别名]
# 或者: from PyQt5.QtWidgets.QMenu import fontMetrics [as 别名]

#.........这里部分代码省略.........
            url = manager.currentEngine().searchUrl(url.path().strip())
        
        if url.scheme() != "" and \
           (url.host() != "" or url.path() != ""):
            return url
        
        urlString = Preferences.getHelp("DefaultScheme") + path.strip()
        url = QUrl.fromEncoded(urlString.encode("utf-8"), QUrl.TolerantMode)
        
        return url
    
    def __currentChanged(self, index):
        """
        Private slot to handle an index change.
        
        @param index new index (integer)
        """
        self.__stackedUrlBar.setCurrentIndex(index)
        
        browser = self.browserAt(index)
        if browser is not None:
            if browser.url() == "" and browser.hasFocus():
                self.__stackedUrlBar.currentWidget.setFocus()
            elif browser.url() != "":
                browser.setFocus()
    
    def restoreClosedTab(self):
        """
        Public slot to restore the most recently closed tab.
        """
        if not self.canRestoreClosedTab():
            return
        
        act = self.sender()
        tab = self.__closedTabsManager.getClosedTabAt(act.data())
        
        self.newBrowser(tab.url.toString(), position=tab.position)
    
    def canRestoreClosedTab(self):
        """
        Public method to check, if closed tabs can be restored.
        
        @return flag indicating that closed tabs can be restored (boolean)
        """
        return self.__closedTabsManager.isClosedTabAvailable()
    
    def restoreAllClosedTabs(self):
        """
        Public slot to restore all closed tabs.
        """
        if not self.canRestoreClosedTab():
            return
        
        for tab in self.__closedTabsManager.allClosedTabs():
            self.newBrowser(tab.url.toString(), position=tab.position)
        self.__closedTabsManager.clearList()
    
    def clearClosedTabsList(self):
        """
        Public slot to clear the list of closed tabs.
        """
        self.__closedTabsManager.clearList()
    
    def __aboutToShowClosedTabsMenu(self):
        """
        Private slot to populate the closed tabs menu.
        """
        fm = self.__closedTabsMenu.fontMetrics()
        maxWidth = fm.width('m') * 40
        
        self.__closedTabsMenu.clear()
        index = 0
        for tab in self.__closedTabsManager.allClosedTabs():
            title = fm.elidedText(tab.title, Qt.ElideRight, maxWidth)
            self.__closedTabsMenu.addAction(
                self.__mainWindow.icon(tab.url), title,
                self.restoreClosedTab).setData(index)
            index += 1
        self.__closedTabsMenu.addSeparator()
        self.__closedTabsMenu.addAction(
            self.tr("Restore All Closed Tabs"), self.restoreAllClosedTabs)
        self.__closedTabsMenu.addAction(
            self.tr("Clear List"), self.clearClosedTabsList)
    
    def closedTabsManager(self):
        """
        Public slot to get a reference to the closed tabs manager.
        
        @return reference to the closed tabs manager (ClosedTabsManager)
        """
        return self.__closedTabsManager
    
    def __closedTabAvailable(self, avail):
        """
        Private slot to handle changes of the availability of closed tabs.
        
        @param avail flag indicating the availability of closed tabs (boolean)
        """
        self.__closedTabsButton.setEnabled(avail)
        self.__restoreClosedTabAct.setEnabled(avail)