本文整理汇总了Java中javax.swing.text.JTextComponent.isFocusOwner方法的典型用法代码示例。如果您正苦于以下问题:Java JTextComponent.isFocusOwner方法的具体用法?Java JTextComponent.isFocusOwner怎么用?Java JTextComponent.isFocusOwner使用的例子?那么恭喜您, 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类javax.swing.text.JTextComponent
的用法示例。
在下文中一共展示了JTextComponent.isFocusOwner方法的2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Java代码示例。
示例1: showPopupMenu
import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
public void showPopupMenu(int x, int y) {
// First call the build-popup-menu action to possibly rebuild the popup menu
JTextComponent c = getComponent();
if (c != null) {
BaseKit kit = Utilities.getKit(c);
if (kit != null) {
Action a = kit.getActionByName(ExtKit.buildPopupMenuAction);
if (a != null) {
a.actionPerformed(new ActionEvent(c, 0, "")); // NOI18N
}
}
JPopupMenu pm = getPopupMenu();
if (pm != null) {
if (c.isShowing()) { // fix of #18808
if (!c.isFocusOwner()) {
c.requestFocus();
}
pm.show(c, x, y);
}
}
}
}
示例2: focusedComponent
import javax.swing.text.JTextComponent; //导入方法依赖的package包/类
/**
* Return the last focused component if it currently has a focus
* or return null if none of the registered components currently have the focus.
* <br>
* @return focused component or null if none of the registered components
* is currently focused.
*/
public static synchronized JTextComponent focusedComponent() {
JTextComponent c = firstValidComponent();
return (c != null && c.isFocusOwner()) ? c : null;
}