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C++ Accessible::IsWidget方法代码示例

本文整理汇总了C++中Accessible::IsWidget方法的典型用法代码示例。如果您正苦于以下问题:C++ Accessible::IsWidget方法的具体用法?C++ Accessible::IsWidget怎么用?C++ Accessible::IsWidget使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Accessible的用法示例。


在下文中一共展示了Accessible::IsWidget方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: AccStateChangeEvent


//.........这里部分代码省略.........
    // If multiselect tree, we should fire selectionadd or selection removed
    if (FocusMgr()->HasDOMFocus(targetNode)) {
      nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSel =
        do_QueryInterface(targetNode);
      nsAutoString selType;
      multiSel->GetSelType(selType);
      if (selType.IsEmpty() || !selType.EqualsLiteral("single")) {
        // XXX: We need to fire EVENT_SELECTION_ADD and EVENT_SELECTION_REMOVE
        // for each tree item. Perhaps each tree item will need to cache its
        // selection state and fire an event after a DOM "select" event when
        // that state changes. XULTreeAccessible::UpdateTreeSelection();
        nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_SELECTION_WITHIN,
                                accessible);
        return;
      }

      nsRefPtr<AccSelChangeEvent> selChangeEvent =
        new AccSelChangeEvent(treeAcc, treeItemAcc,
                              AccSelChangeEvent::eSelectionAdd);
      nsEventShell::FireEvent(selChangeEvent);
      return;
    }
  }
  else
#endif
  if (eventType.EqualsLiteral("AlertActive")) {
    nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_ALERT, accessible);
  }
  else if (eventType.EqualsLiteral("popupshown")) {
    HandlePopupShownEvent(accessible);
  }
  else if (eventType.EqualsLiteral("DOMMenuInactive")) {
    if (accessible->Role() == roles::MENUPOPUP) {
      nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_END,
                              accessible);
    }
  }
  else if (eventType.EqualsLiteral("DOMMenuItemActive")) {
    FocusMgr()->ActiveItemChanged(accessible);
#ifdef A11Y_LOG
    if (logging::IsEnabled(logging::eFocus))
      logging::ActiveItemChangeCausedBy("DOMMenuItemActive", accessible);
#endif
  }
  else if (eventType.EqualsLiteral("DOMMenuItemInactive")) {
    // Process DOMMenuItemInactive event for autocomplete only because this is
    // unique widget that may acquire focus from autocomplete popup while popup
    // stays open and has no active item. In case of XUL tree autocomplete
    // popup this event is fired for tree accessible.
    Accessible* widget =
      accessible->IsWidget() ? accessible : accessible->ContainerWidget();
    if (widget && widget->IsAutoCompletePopup()) {
      FocusMgr()->ActiveItemChanged(nullptr);
#ifdef A11Y_LOG
      if (logging::IsEnabled(logging::eFocus))
        logging::ActiveItemChangeCausedBy("DOMMenuItemInactive", accessible);
#endif
    }
  }
  else if (eventType.EqualsLiteral("DOMMenuBarActive")) {  // Always from user input
    nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_MENU_START,
                            accessible, eFromUserInput);

    // Notify of active item change when menubar gets active and if it has
    // current item. This is a case of mouseover (set current menuitem) and
    // mouse click (activate the menubar). If menubar doesn't have current item
    // (can be a case of menubar activation from keyboard) then ignore this
    // notification because later we'll receive DOMMenuItemActive event after
    // current menuitem is set.
    Accessible* activeItem = accessible->CurrentItem();
    if (activeItem) {
      FocusMgr()->ActiveItemChanged(activeItem);
#ifdef A11Y_LOG
      if (logging::IsEnabled(logging::eFocus))
        logging::ActiveItemChangeCausedBy("DOMMenuBarActive", accessible);
#endif
    }
  }
  else if (eventType.EqualsLiteral("DOMMenuBarInactive")) {  // Always from user input
    nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_MENU_END,
                            accessible, eFromUserInput);

    FocusMgr()->ActiveItemChanged(nullptr);
#ifdef A11Y_LOG
    if (logging::IsEnabled(logging::eFocus))
      logging::ActiveItemChangeCausedBy("DOMMenuBarInactive", accessible);
#endif
  }
  else if (accessible->NeedsDOMUIEvent() &&
           eventType.EqualsLiteral("ValueChange")) {
     targetDocument->FireDelayedEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE,
                                      accessible);
  }
#ifdef DEBUG_DRAGDROPSTART
  else if (eventType.EqualsLiteral("mouseover")) {
    nsEventShell::FireEvent(nsIAccessibleEvent::EVENT_DRAGDROP_START,
                            accessible);
  }
#endif
}
开发者ID:eeejay,项目名称:gecko-dev,代码行数:101,代码来源:RootAccessible.cpp


注:本文中的Accessible::IsWidget方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。