下面列出了javax.swing.JPopupMenu#getLocationOnScreen ( ) 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。
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
public static void dynamicChange(final JPopupMenu popup, boolean usedToBeContained) {
if (!popup.isShowing()) {
return;
}
if (isProblemConfig()) {
callRefreshLater(popup);
return;
}
refreshPopup(popup);
Point p = popup.getLocationOnScreen();
Point newPt = getPopupMenuOrigin(popup, p);
boolean willBeContained = willPopupBeContained(popup, newPt);
if (usedToBeContained != willBeContained) {
popup.setVisible(false);
}
if (!newPt.equals(p)) {
// if (!NO_POPUP_PLACEMENT_HACK) {
// popup.setLocation(newPt.x, newPt.y);
// }
}
if (usedToBeContained != willBeContained) {
popup.setVisible(true);
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
private static void runActualTest(GraphicsDevice device,
CountDownLatch latch,
JFrame frame,
boolean [] result)
{
Rectangle screenBounds = setLocation(frame, device);
JMenu menu = frame.getJMenuBar().getMenu(0);
menu.doClick();
Point location = menu.getLocationOnScreen();
JPopupMenu pm = menu.getPopupMenu();
Dimension pmSize = pm.getSize();
int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
int height = location.y + yOffset + pmSize.height + menu.getHeight();
int available = screenBounds.y + screenBounds.height - height;
if (available > 0) {
Point origin = pm.getLocationOnScreen();
if (origin.y < location.y) {
// growing upward, wrong!
result[0] = false;
} else {
// growing downward, ok!
result[0] = true;
}
} else {
// there is no space, growing upward would be ok, so we pass
result[0] = true;
}
}
public static void dynamicChangeToSubmenu(JPopupMenu popup, boolean usedToBeContained) {
Object invoker = popup.getInvoker();
if (!(invoker instanceof JMenu)) {
return;
}
JMenu menu = (JMenu) invoker;
if (!popup.isShowing()) {
return;
}
if (isProblemConfig()) {
callRefreshLater2(popup, menu);
return;
}
refreshPopup(popup);
Point p = popup.getLocationOnScreen();
Dimension popupSize = popup.getPreferredSize();
Rectangle popupRect = new Rectangle(p, popupSize);
Rectangle screenRect = getScreenRect();
boolean willBeContained = isPopupContained(popup);
if (!screenRect.contains(popupRect)) {
/*
* The menu grew off the edge of the screen.
*/
menu.setPopupMenuVisible(false);
menu.setPopupMenuVisible(true);
} else if (usedToBeContained != willBeContained) {
/*
* The menu grew off the edge of the containing window.
* Use the setVisible() hack to change the menu from
* lightweight to heavyweight.
*/
popup.setVisible(false);
popup.setVisible(true);
}
}