public void setCursorImage(HardwareCursor cursor) {
if (cursor == null) {
return;
}
try {
final HardwareCursorImage cursImage = cursor.getImage(20, 20);
if ((cursImage != null) && (this.cursorImage != cursImage)) {
hideCursor();
cursorArea.setSize(cursImage.getWidth(), cursImage.getHeight());
if (cursorImage != null) {
int newX =
(int) (cursorArea.getX() + cursorImage.getHotSpotX() - cursImage.getHotSpotX());
int newY =
(int) (cursorArea.getY() + cursorImage.getHotSpotY() - cursImage.getHotSpotY());
cursorArea.setLocation(newX, newY);
}
this.cursorImage = cursImage;
showCursor();
}
} catch (Throwable t) {
Unsafe.debugStackTrace("error in setCursorImage (" + t.getClass().getName() + ")", t);
}
}
public void setCursorPosition(int x, int y) {
try {
// x,y corresponds to the location of the cursor's hotspot on the
// screen
// it can be anywhere in the screen area (but some part of the
// cursor might not be visible)
x = Math.min(Math.max(x, 0), graphics.getWidth() - 1);
y = Math.min(Math.max(y, 0), graphics.getHeight() - 1);
if ((cursorArea.getX() != x) || (cursorArea.getY() != y)) {
hideCursor();
if (cursorImage != null) {
int newX = (int) (x - cursorImage.getHotSpotX());
int newY = (int) (y - cursorImage.getHotSpotY());
cursorArea.setLocation(newX, newY);
} else {
cursorArea.setLocation(x, y);
}
showCursor();
}
} catch (Throwable t) {
Unsafe.debugStackTrace("error in setCursorPosition", t);
}
}
public void setCursorVisible(boolean visible) {
try {
if (this.cursorVisible != visible) {
this.cursorVisible = visible;
if (visible) {
showCursor();
} else {
hideCursor();
}
}
} catch (Throwable t) {
Unsafe.debugStackTrace("error in setCursorVisible", t);
}
}
/**
* The entry point that used to run the 'application' when the isolate is started. The actual
* command is then passed to us in a Link message in the form of a CommandRunner object.
*
* @param args
*/
public static void main(String[] args) {
Link cl = Isolate.getLinks()[0];
CommandRunner cr;
try {
ObjectLinkMessage message = (ObjectLinkMessage) cl.receive();
cr = (CommandRunner) message.extract();
Map<String, String> env = cr.getEnv();
int envSize = (env == null) ? 0 : env.size();
byte[][] binEnv = new byte[envSize * 2][];
if (envSize > 0) {
int i = 0;
for (Map.Entry<String, String> entry : env.entrySet()) {
binEnv[i++] = entry.getKey().getBytes();
binEnv[i++] = entry.getValue().getBytes();
}
}
NativeProcessEnvironment.setIsolateInitialEnv(binEnv);
} catch (Exception e) {
Unsafe.debugStackTrace(e.getMessage(), e);
return;
}
cr.run();
}