Пример #1
0
  /*
   * Fix for BugTraq ID 4041703.
   * Set the focus to a reasonable default for an Applet.
   */
  private void setDefaultFocus() {
    Component toFocus = null;
    Container parent = getParent();

    if (parent != null) {
      if (parent instanceof Window) {
        toFocus = getMostRecentFocusOwnerForWindow((Window) parent);
        if (toFocus == parent || toFocus == null) {
          toFocus = parent.getFocusTraversalPolicy().getInitialComponent((Window) parent);
        }
      } else if (parent.isFocusCycleRoot()) {
        toFocus = parent.getFocusTraversalPolicy().getDefaultComponent(parent);
      }
    }

    if (toFocus != null) {
      if (parent instanceof EmbeddedFrame) {
        ((EmbeddedFrame) parent).synthesizeWindowActivation(true);
      }
      // EmbeddedFrame might have focus before the applet was added.
      // Thus after its activation the most recent focus owner will be
      // restored. We need the applet's initial focusabled component to
      // be focused here.
      toFocus.requestFocusInWindow();
    }
  }
  /*
   *	Tab has changed. Focus on saved component for the given tab.
   *  When there is no saved component, focus on the first component.
   */
  public void stateChanged(ChangeEvent e) {
    Component key = tabbedPane.getComponentAt(tabbedPane.getSelectedIndex());

    if (key == null) return;

    Component value = tabFocus.get(key);

    //  First time selecting this tab or focus policy is RESET_FOCUS

    if (value == null) {
      key.transferFocus();
      tabFocus.put(key, value);
    } else //  Use the saved component for focusing
    {
      value.requestFocusInWindow();
    }
  }
Пример #3
0
 /**
  * Sets the help text for the specified component.
  *
  * @param cont input container
  */
 static void focus(final Component cont) {
   final GUI gui = gui(cont);
   if (gui == null) return;
   if (gui.gopts.get(GUIOptions.MOUSEFOCUS) && cont.isEnabled()) cont.requestFocusInWindow();
 }