本文整理了Java中java.awt.Window.getFocusOwner()方法的一些代码示例，展示了Window.getFocusOwner()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Window.getFocusOwner()方法的具体详情如下：
包路径：java.awt.Window
类名称：Window
方法名：getFocusOwner

Window.getFocusOwner介绍

[英]Returns the child Component of this Window that has focus if this Window is focused; returns null otherwise.
[中]如果此窗口已聚焦，则返回此窗口中具有聚焦的子组件；否则返回null。

代码示例

代码示例来源：origin: abbot/abbot

private static Component getFocusOwner(Window w) {
  Component focus = w.getFocusOwner();
  if (focus == null) {
    Window[] owned = w.getOwnedWindows();
    for (int i=0;i < owned.length;i++) {
      if ((focus = owned[i].getFocusOwner()) != null)
        return focus;
    }
  }
  return focus;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/org-netbeans-modules-editor-lib

public void run(){
    Component c = component;
    if(c != null) {
      java.awt.Window window = SwingUtilities.windowForComponent(c);
      if(window != null) {
        if(window.getFocusOwner() == c) {
          if (debugCaretFocusExtra){
            System.err.println("caret will remain visible, windowForComponent(c).getFocusOwner is the same as the c");
            System.err.println("window.getFocusOwner:"+window.getFocusOwner());
            System.err.println("component:"+c);
          }
          return;
        }
      }
    }
    if (debugCaretFocusExtra) {
      System.err.println("going to set caret visible to: false");
    }
    setVisible(false);
  }
});

代码示例来源：origin: joel-costigliola/assertj-swing

@RunsInCurrentThread
 @Nullable private Component focusOwnerOf(@Nonnull Window w) {
  if (!w.isShowing()) {
   return null;
  }
  Component focus = w.getFocusOwner();
  if (focus != null) {
   return focus;
  }
  for (Window o : w.getOwnedWindows()) {
   focus = o.getFocusOwner();
   if (focus != null) {
    return focus;
   }
  }
  return null;
 }
}

代码示例来源：origin: org.netbeans.modules/org-netbeans-modules-web-beans

private void enterBusy() {
  myJavaHierarchyTree.setModel(pleaseWaitTreeModel);
  JRootPane rootPane = SwingUtilities.getRootPane(CDIPanel.this);
  if (rootPane != null) {
    rootPane.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
  }
  Window window = SwingUtilities.getWindowAncestor(this);
  if (window != null) {
    myLastFocusedComponent = window.getFocusOwner();
  }
  myFilterTextField.setEnabled(false);
  myCaseSensitiveFilterCheckBox.setEnabled(false);
  myShowFQNToggleButton.setEnabled(false);
  myExpandAllButton.setEnabled(false);
}

代码示例来源：origin: freeplane/freeplane

private void focusSelectedNode(final Window newWindow, int counter) {
  if(counter > 0) {
    SwingUtilities.invokeLater(() -> focusSelectedNode(newWindow, counter - 1));
    return;
  }
  final MapView mapView = getMapView();
  if(mapView == null || SwingUtilities.getWindowAncestor(mapView) != newWindow)
    return;
  final NodeView selectedNode = mapView.getSelected();
  if(selectedNode == null)
    return;
  final Component focusOwner = newWindow.getFocusOwner();
  if(focusOwner == null)
    return;
  final Container nodeView = SwingUtilities.getAncestorOfClass(NodeView.class, focusOwner);
  if (nodeView != null && nodeView  != selectedNode)
    selectedNode.requestFocusInWindow();
}

代码示例来源：origin: chatty/chatty

@Override
  public void actionPerformed(ActionEvent e) {
    if (parent.getFocusOwner().getClass() == JTextField.class) {
      return;
    }
    if (!combo.isPopupVisible() && combo.getSelectedIndex() != 0) {
      combo.setSelectedIndex(0);
    }
    combo.requestFocusInWindow();
    combo.setPopupVisible(!combo.isPopupVisible());
  }
});

代码示例来源：origin: org.jclarion/clarion-runtime

Component focus=null;
if (c instanceof Window) {
  focus=((Window)c).getFocusOwner();

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

@Override
public void doIt(final View view) {
  URIChooser fileChooser = getChooser(view);
    Window wAncestor = SwingUtilities.getWindowAncestor(view.getComponent());
    final Component oldFocusOwner = (wAncestor == null) ? null : wAncestor.getFocusOwner();
        JSheet.showOpenSheet(fileChooser, view.getComponent(), new SheetListener() {
    @Override
      public void optionSelected(final SheetEvent evt) {
        if (evt.getOption() == JFileChooser.APPROVE_OPTION) {
          final URI uri;
          if ((evt.getChooser() instanceof JFileURIChooser) && evt.getFileChooser().getFileFilter() instanceof ExtensionFileFilter) {
            uri = ((ExtensionFileFilter) evt.getFileChooser().getFileFilter()).makeAcceptable(evt.getFileChooser().getSelectedFile()).toURI();
          } else {
            uri = evt.getChooser().getSelectedURI();
          }
          loadViewFromURI(view, uri, evt.getChooser());
        } else {
          view.setEnabled(true);
          if (oldFocusOwner != null) {
            oldFocusOwner.requestFocus();
          }
        }
      }
    });
}

代码示例来源：origin: stackoverflow.com

focusIndex = fieldList.indexOf(getFocusOwner());
System.out.println(focusIndex);

代码示例来源：origin: net.sf.squirrel-sql/squirrel-sql

public void widgetActivated(WidgetEvent evt)
  {
    Window window = SwingUtilities.windowForComponent(ObjectTreeInternalFrame.this.getObjectTreePanel());
    Component focusOwner = (window != null) ? window.getFocusOwner() : null;
    if (focusOwner != null)
    {
      FocusEvent lost = new FocusEvent(focusOwner, FocusEvent.FOCUS_LOST);
      FocusEvent gained = new FocusEvent(focusOwner, FocusEvent.FOCUS_GAINED);
      window.dispatchEvent(lost);
      window.dispatchEvent(gained);
      window.dispatchEvent(lost);
      focusOwner.requestFocus();
    }
  }
});

代码示例来源：origin: realXuJiang/bigtable-sql

public void widgetActivated(WidgetEvent evt)
  {
    Window window = SwingUtilities.windowForComponent(ObjectTreeInternalFrame.this.getObjectTreePanel());
    Component focusOwner = (window != null) ? window.getFocusOwner() : null;
    if (focusOwner != null)
    {
      FocusEvent lost = new FocusEvent(focusOwner, FocusEvent.FOCUS_LOST);
      FocusEvent gained = new FocusEvent(focusOwner, FocusEvent.FOCUS_GAINED);
      window.dispatchEvent(lost);
      window.dispatchEvent(gained);
      window.dispatchEvent(lost);
      focusOwner.requestFocus();
    }
  }
});

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

@Override
public void actionPerformed(ActionEvent evt) {
  final View view = (View) getActiveView();
  if (view.isEnabled()) {
    ResourceBundleUtil labels = ResourceBundleUtil.getBundle("org.jhotdraw.app.Labels");
    oldFocusOwner = SwingUtilities.getWindowAncestor(view.getComponent()).getFocusOwner();
    view.setEnabled(false);
    URIChooser fileChooser = getApplication().getExportChooser(view);
    JSheet.showSheet(fileChooser, view.getComponent(), labels.getString("filechooser.export"), new SheetListener() {
      @Override
      public void optionSelected(final SheetEvent evt) {
        if (evt.getOption() == JFileChooser.APPROVE_OPTION) {
          final URI uri = evt.getChooser().getSelectedURI();
          if (evt.getChooser()instanceof JFileURIChooser) {
          exportView(view, uri, evt.getChooser());
          } else {
          exportView(view, uri, null);
          }
        } else {
          view.setEnabled(true);
          if (oldFocusOwner != null) {
            oldFocusOwner.requestFocus();
          }
        }
      }
    });
  }
}

代码示例来源：origin: net.sf.cuf/cuf-swing

if (pEnabled && !glassPane.isVisible())
  mLastFocusOwner= target.getFocusOwner();
  mLastCursor    = target.getCursor();
  target.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

oldFocusOwner = SwingUtilities.getWindowAncestor(view.getComponent()).getFocusOwner();
view.setEnabled(false);

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

protected void reviewChanges() {
  if (unsavedView.isEnabled()) {
    final ResourceBundleUtil labels = ResourceBundleUtil.getBundle("org.jhotdraw.app.Labels");
    oldFocusOwner = SwingUtilities.getWindowAncestor(unsavedView.getComponent()).getFocusOwner();
    unsavedView.setEnabled(false);
    URI unsavedURI = unsavedView.getURI();

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

oldFocusOwner = owner.getFocusOwner();

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

oldFocusOwner = SwingUtilities.getWindowAncestor(unsavedView.getComponent()).getFocusOwner();
unsavedView.setEnabled(false);
JOptionPane pane = new JOptionPane(

代码示例来源：origin: org.opentcs.thirdparty.jhotdraw/jhotdraw

final ResourceBundleUtil labels = ResourceBundleUtil.getBundle("org.jhotdraw.app.Labels");
Window wAncestor = SwingUtilities.getWindowAncestor(v.getComponent());
oldFocusOwner = (wAncestor == null) ? null : wAncestor.getFocusOwner();
v.setEnabled(false);

代码示例来源：origin: org.jclarion/clarion-runtime

} else {
if (c instanceof Window) {
  f = ((Window)c).getFocusOwner();

代码示例来源：origin: net.sourceforge.mydoggy/mydoggy-plaf

Component focusOwner = oldWindow.getWindow().getFocusOwner();
oldWindow.setVisible(false);
oldWindow.getWindow().removeMouseMotionListener(resizeMouseInputHandler);