michael/lwjgl
michael
/
lwjgl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Don't use reflection for AWTUtil.getPointerLocation

This commit is contained in:
Elias Naur 2008-04-30 12:46:54 +00:00
parent ccb0bfe4fd
commit 0f6d7a82db
1 changed files with 13 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/java/org/lwjgl/opengl/AWTUtil.java
View File

@ -42,6 +42,8 @@ import java.awt.GraphicsDevice;
import java.awt.GraphicsConfiguration;
import java.awt.IllegalComponentStateException;
import java.awt.Point;
import java.awt.MouseInfo;
import java.awt.PointerInfo;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
@ -109,30 +111,21 @@ final class AWTUtil {
*/
private static Point getPointerLocation(final Component component) {
try {
final Class MouseInfo_class = Class.forName("java.awt.MouseInfo");
final Method getPointerInfo_method = MouseInfo_class.getMethod("getPointerInfo", null);
final Class PointerInfo_class = Class.forName("java.awt.PointerInfo");
final Method getDevice_method = PointerInfo_class.getMethod("getDevice", null);
final Method getLocation_method = PointerInfo_class.getMethod("getLocation", null);
return (Point)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public final Object run() throws Exception {
GraphicsConfiguration config = component.getGraphicsConfiguration();
if (config != null) {
Object pointer_info = getPointerInfo_method.invoke(null, null);
GraphicsDevice device = (GraphicsDevice)getDevice_method.invoke(pointer_info, null);
if (device == config.getDevice()) {
return (Point)getLocation_method.invoke(pointer_info, null);
}
final GraphicsConfiguration config = component.getGraphicsConfiguration();
if (config != null) {
PointerInfo pointer_info = (PointerInfo)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public final Object run() throws Exception {
return MouseInfo.getPointerInfo();
}
return null;
});
GraphicsDevice device = pointer_info.getDevice();
if (device == config.getDevice()) {
return pointer_info.getLocation();
}
});
return null;
}
} catch (PrivilegedActionException e) {
LWJGLUtil.log("Failed to query pointer location: " + e.getCause());
} catch (NoSuchMethodException e) {
LWJGLUtil.log("Failed to query pointer location: " + e);
} catch (ClassNotFoundException e) {
LWJGLUtil.log("Failed to query pointer location: " + e);
}
return null;
}