PresentationManageWidget.java 文件源码

@Override
public void onKeyDown(KeyDownEvent event) {
    // Use the popup's key preview hooks to close the dialog when either
    // enter or escape is pressed.
    int eventCode = event.getNativeKeyCode();
    // check if CTRL key is pressed & another key is sending the event
    if (event.isControlKeyDown() && eventCode != 17 && !PlaceholderManageWidget.getInstance().isShowing() 
            && !preOptionsPopupWidget.isShowing()) {
        // Code 67 = c
        if (eventCode == 67 && copyPlaceholderButton.isEnabled()) {
            if (copyPlaceholder()) {
                event.stopPropagation();
            }
        }
        // Code ?? = v
        else if (eventCode == 86 && contentBar.getSelectedTab() == LAYOUT_INDEX) {
            pastePlaceholder();
        }
    }
}