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

Mac OS X: Fixed potential NPE in AWTUtil.getPointerLocation

This commit is contained in:
Elias Naur 2008-04-10 20:14:15 +00:00
parent 450634c49c
commit 3f4f832669
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/java/org/lwjgl/opengl/AWTUtil.java
View File

@ -39,6 +39,7 @@ import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GraphicsDevice;
import java.awt.GraphicsConfiguration;
import java.awt.IllegalComponentStateException;
import java.awt.Point;
import java.awt.Robot;
@ -115,12 +116,15 @@ final class AWTUtil {
final Method getLocation_method = PointerInfo_class.getMethod("getLocation", null);
return (Point)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public final Object run() throws Exception {
Object pointer_info = getPointerInfo_method.invoke(null, null);
GraphicsDevice device = (GraphicsDevice)getDevice_method.invoke(pointer_info, null);
if (device == component.getGraphicsConfiguration().getDevice()) {
return (Point)getLocation_method.invoke(pointer_info, null);
} else
return null;
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);
}
}
return null;
}
});
} catch (PrivilegedActionException e) {