/** Returns true if the GraphicsDevice has been changed, false otherwise. */
public boolean updateGraphicsDevice() {
GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
synchronized (getStateLock()) {
if (graphicsDevice == newGraphicsDevice) {
return false;
}
graphicsDevice = newGraphicsDevice;
}
final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
if (!setGraphicsConfig(newGC)) return false;
SunToolkit.executeOnEventHandlerThread(
getTarget(),
new Runnable() {
public void run() {
AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
}
});
return true;
}
/**
* The incoming bounds describe the maximized size and position of the window on the monitor that
* displays the window. But the window manager expects that the bounds are based on the size and
* position of the primary monitor, even if the window ultimately maximizes onto a secondary
* monitor. And the window manager adjusts these values to compensate for differences between the
* primary monitor and the monitor that displays the window. The method translates the incoming
* bounds to the values acceptable by the window manager. For more details, please refer to
* 6699851.
*/
private void adjustMaximizedBounds(Rectangle b) {
GraphicsConfiguration currentDevGC = getGraphicsConfiguration();
GraphicsDevice primaryDev =
GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
GraphicsConfiguration primaryDevGC = primaryDev.getDefaultConfiguration();
if (currentDevGC != null && currentDevGC != primaryDevGC) {
Rectangle currentDevBounds = currentDevGC.getBounds();
Rectangle primaryDevBounds = primaryDevGC.getBounds();
boolean isCurrentDevLarger =
((currentDevBounds.width - primaryDevBounds.width > 0)
|| (currentDevBounds.height - primaryDevBounds.height > 0));
// the window manager doesn't seem to compensate for differences when
// the primary monitor is larger than the monitor that display the window
if (isCurrentDevLarger) {
b.width -= (currentDevBounds.width - primaryDevBounds.width);
b.height -= (currentDevBounds.height - primaryDevBounds.height);
}
}
}