下面列出了java.awt.event.MouseEvent#isMetaDown() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public void mouseClicked(MouseEvent e) {
if (!e.isMetaDown()) {
Point mouse = e.getPoint(); // Don't use getMousePosition() because when computer is swapping/grinding, mouse may have moved out of window before execution reaches here.
for (Widget widget : widgets) {
if ((widget.isVisible()) &&
(mouse.x > widget.getX()) &&
(mouse.y > widget.getY()) &&
(mouse.x < widget.getX() + widget.getWidth()) &&
(mouse.y < widget.getY() + widget.getHeight())) {
if (widget.onClick(mouse.x - widget.getX(), mouse.y - widget.getY()))
return;
}
}
MapObject object = worldMap.getObjectAt(mouse, 50.0);
if (selectedObject != null)
selectedObject.localScale = 1.0;
if (object != null)
object.localScale = 1.5;
selectedObject = object;
}
}
/**
*
* @param event
* @return Returns true if the given event should toggle selected cells.
*/
public boolean isToggleEvent(MouseEvent event)
{
// NOTE: IsMetaDown always returns true for right-clicks on the Mac, so
// toggle selection for left mouse buttons requires CMD key to be pressed,
// but toggle for right mouse buttons requires CTRL to be pressed.
return (event != null) ? ((mxUtils.IS_MAC) ? ((SwingUtilities
.isLeftMouseButton(event) && event.isMetaDown()) || (SwingUtilities
.isRightMouseButton(event) && event.isControlDown()))
: event.isControlDown())
: false;
}
protected void mousePressed(MouseEvent me) {
if (me.getButton() == MouseEvent.BUTTON1 && me.getClickCount() == 1 && !me.isAltDown() && !me.isMetaDown()
&& !me.isAltGraphDown() && !me.isControlDown()) {
mouseButton1Pressed(me);
} else {
recorder.recordClick2(this, me, true);
}
}
/**
* Predicate to check if an additional selection is wanted.
* Default is the typical selection (left button), while control key is pressed.
*
* @param e the mouse context
* @return the predicate result
*/
public static boolean isAdditionWanted (MouseEvent e)
{
if (WellKnowns.MAC_OS_X) {
boolean command = e.isMetaDown();
boolean left = SwingUtilities.isLeftMouseButton(e);
return left && command && !e.isPopupTrigger();
} else {
return (SwingUtilities.isRightMouseButton(e) != SwingUtilities.isLeftMouseButton(e))
&& e.isControlDown();
}
}
public void mousePressed(MouseEvent e) {
if (e.isPopupTrigger()) {
showPopupMenu(e);
} else {
if (e.getSource() instanceof JTableHeader) {
columnPressed = jTable.getTableHeader().columnAtPoint(e.getPoint());
if (columnPressed >= 0) {
if (!e.isShiftDown() && !e.isMetaDown())
clearSelection();
selectColumn(columnPressed, true);
}
}
}
}
@Override
public void mouseClicked(MouseEvent e) {
if (UIUtil.isActionClick(e, MouseEvent.MOUSE_CLICKED) && (e.isMetaDown() || !SystemInfo.isMac && e.isControlDown())) {
final TabInfo info = myTabs.findInfo(e);
if (info != null && info.getObject() != null) {
final VirtualFile vFile = (VirtualFile)info.getObject();
if (vFile != null) {
ShowFilePathAction.show(vFile, e);
}
}
}
}
public final MouseListener getMouseListener(final TreeNode root) {
return new MouseAdapter() {
@Override
public void mouseClicked(final MouseEvent mouseEvent) {
DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode)
windowObjects.getjTree().getLastSelectedPathComponent();
String url = "";
if (mouseEvent.isMetaDown() && selectedNode != null
&& selectedNode.getParent() != null) {
final String gitUrl = getGitUrl(selectedNode, url, root);
JPopupMenu menu = new JPopupMenu();
if (selectedNode.isLeaf()) {
final CodeInfo codeInfo = (CodeInfo) selectedNode.getUserObject();
menu.add(new JMenuItem(addOpenInNewTabMenuItem(codeInfo))).
setText(OPEN_IN_NEW_TAB);
}
menu.add(new JMenuItem(new AbstractAction() {
@Override
public void actionPerformed(final ActionEvent actionEvent) {
if (!gitUrl.isEmpty()) {
BrowserUtil.browse(GITHUB_LINK + gitUrl);
}
}
})).setText(RIGHT_CLICK_MENU_ITEM_TEXT);
menu.show(mouseEvent.getComponent(), mouseEvent.getX(), mouseEvent.getY());
}
doubleClickListener(mouseEvent);
}
};
}
@Override
protected void processMouseEvent(MouseEvent e) {
super.processMouseEvent(e);
if (e.getID() == MouseEvent.MOUSE_CLICKED) {
if (mySwitchOrientationEnabled
&& e.getClickCount() == 1
&& SwingUtilities.isLeftMouseButton(e) && (SystemInfo.isMac ? e.isMetaDown() : e.isControlDown())) {
mySplitter.setOrientation(!mySplitter.getOrientation());
}
if (myResizeEnabled && e.getClickCount() == 2) {
mySplitter.setProportion(.5f);
}
}
}
/**
* Predicate to check if an additional selection is wanted.
* Default is the typical selection (left button), while control key is
* pressed.
*
* @param e the mouse context
* @return the predicate result
*/
public static boolean isAdditionWanted (MouseEvent e)
{
if (WellKnowns.MAC_OS_X) {
boolean command = e.isMetaDown();
boolean left = SwingUtilities.isLeftMouseButton(e);
return left && command && !e.isPopupTrigger();
} else {
return (SwingUtilities.isRightMouseButton(e) != SwingUtilities.isLeftMouseButton(
e)) && e.isControlDown();
}
}
@Override
public void mousePressed(MouseEvent me) {
if ((me.getButton() != BUTTON1) && (me.getButton() != BUTTON3)) {
// Only interested in left and right mouse buttons
// TODO: the right mouse button is not button three on two-button
// mice, is it?
return;
}
x = me.getX();
y = me.getY();
altDown = me.isAltDown() || me.isAltGraphDown();
undo = (me.getButton() == BUTTON3) || altDown;
ctrlDown = me.isControlDown() || me.isMetaDown();
shiftDown = me.isShiftDown();
first = true;
if (! oneShot) {
interrupt(); // Make sure any operation in progress (due to timing issues perhaps) is interrupted
timer = new Timer(delay, e -> {
Point worldCoords = view.viewToWorld((int) x, (int) y);
tick(worldCoords.x, worldCoords.y, undo, first, 1.0f);
view.updateStatusBar(worldCoords.x, worldCoords.y);
first = false;
});
timer.setInitialDelay(0);
timer.start();
operationStartedWithButton = me.getButton();
App.getInstance().pauseAutosave();
// start = System.currentTimeMillis();
} else {
Point worldCoords = view.viewToWorld((int) x, (int) y);
App.getInstance().pauseAutosave();
try {
tick(worldCoords.x, worldCoords.y, undo, true, 1.0f);
view.updateStatusBar(worldCoords.x, worldCoords.y);
Dimension dimension = getDimension();
if (dimension != null) {
dimension.armSavePoint();
}
logOperation(undo ? statisticsKeyUndo : statisticsKey);
} finally {
App.getInstance().resumeAutosave();
}
}
me.consume();
}
private static boolean onlyShift(MouseEvent e) {
return e.isShiftDown() && !(e.isAltDown() || e.isAltGraphDown() ||
e.isControlDown() || e.isMetaDown());
}
private static boolean onlyShift(MouseEvent e) {
return e.isShiftDown() && !(e.isAltDown() || e.isAltGraphDown() ||
e.isControlDown() || e.isMetaDown());
}
private static boolean onlyShift(MouseEvent e) {
return e.isShiftDown() && !(e.isAltDown() || e.isAltGraphDown() ||
e.isControlDown() || e.isMetaDown());
}
@CalledOnlyBy(AmidstThread.EDT)
private boolean isRightClick(MouseEvent e) {
return e.isMetaDown();
}
@Override
protected boolean isToggleSelectionEvent(MouseEvent e) {
return SwingUtilities.isLeftMouseButton(e) && (SystemInfo.isMac ? e.isMetaDown() : e.isControlDown()) && !e.isPopupTrigger();
}
@CalledOnlyBy(AmidstThread.EDT)
private boolean isRightClick(MouseEvent e) {
return e.isMetaDown();
}
@Override
protected boolean isToggleSelectionEvent(MouseEvent e) {
return SwingUtilities.isLeftMouseButton(e) && (SystemInfo.isMac ? e.isMetaDown() : e.isControlDown()) && !e.isPopupTrigger();
}
@Override
public void mouseClicked(final EditorMouseEvent e) {
final Editor editor = e.getEditor();
final MouseEvent mouseEvent = e.getMouseEvent();
if (mouseEvent.isPopupTrigger() ||
mouseEvent.isMetaDown() ||
mouseEvent.isControlDown() ||
mouseEvent.getButton() != MouseEvent.BUTTON1 ||
DiffUtil.isDiffEditor(editor) ||
!isInsideGutter(e, editor) ||
ConsoleViewUtil.isConsoleViewEditor(editor) ||
!isFromMyProject(editor) ||
(editor.getSelectionModel().hasSelection() && myDragDetected)) {
return;
}
PsiDocumentManager.getInstance(myProject).commitAllDocuments();
final int line = EditorUtil.yPositionToLogicalLine(editor, mouseEvent);
final Document document = editor.getDocument();
final VirtualFile file = FileDocumentManager.getInstance().getFile(document);
if (line >= 0 && line < document.getLineCount() && file != null) {
ActionManagerEx.getInstanceEx().fireBeforeActionPerformed(IdeActions.ACTION_TOGGLE_LINE_BREAKPOINT, e.getMouseEvent());
final AsyncResult<XLineBreakpoint> lineBreakpoint =
XBreakpointUtil.toggleLineBreakpoint(myProject, XSourcePositionImpl.create(file, line), editor, mouseEvent.isAltDown(), false);
lineBreakpoint.doWhenDone(breakpoint -> {
if (!mouseEvent.isAltDown() && mouseEvent.isShiftDown() && breakpoint != null) {
breakpoint.setSuspendPolicy(SuspendPolicy.NONE);
String selection = editor.getSelectionModel().getSelectedText();
if (selection != null) {
breakpoint.setLogExpression(selection);
}
else {
breakpoint.setLogMessage(true);
}
// edit breakpoint
DebuggerUIUtil.showXBreakpointEditorBalloon(myProject, mouseEvent.getPoint(), ((EditorEx)editor).getGutterComponentEx(), false, breakpoint);
}
});
}
}
/**
* Predicate to check if the display should be rezoomed to fit as
* close as possible to the rubber definition.
* Default is to have both Shift and Control keys pressed when the mouse is
* released.
*
* @param e the mouse context
* @return the predicate result
*/
public static boolean isRezoomWanted (MouseEvent e)
{
if (WellKnowns.MAC_OS_X) {
return e.isMetaDown() && e.isShiftDown();
} else {
return e.isControlDown() && e.isShiftDown();
}
}
/**
* Predicate to check if the display should be rezoomed to fit as
* close as possible to the rubber definition.
* Default is to have both Shift and Control keys pressed when the mouse is
* released.
*
* @param e the mouse context
* @return the predicate result
*/
public static boolean isRezoomWanted (MouseEvent e)
{
if (WellKnowns.MAC_OS_X) {
return e.isMetaDown() && e.isShiftDown();
} else {
return e.isControlDown() && e.isShiftDown();
}
}