diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/newt/classes/jogamp/newt/DisplayImpl.java | 2 | ||||
-rw-r--r-- | src/newt/classes/jogamp/newt/PointerIconImpl.java | 20 |
2 files changed, 15 insertions, 7 deletions
diff --git a/src/newt/classes/jogamp/newt/DisplayImpl.java b/src/newt/classes/jogamp/newt/DisplayImpl.java index 7fdcb4d7d..8c0240ffd 100644 --- a/src/newt/classes/jogamp/newt/DisplayImpl.java +++ b/src/newt/classes/jogamp/newt/DisplayImpl.java @@ -96,7 +96,7 @@ public abstract class DisplayImpl extends Display { if(DEBUG) { System.err.println("destroyAllPointerIconFromList: dpy "+toHexString(dpy)+", # "+i+"/"+count+": "+item+" @ "+getThreadName()); } - if( null != item && item.isValid() ) { + if( null != item ) { item.destroyOnEDT(dpy); } } diff --git a/src/newt/classes/jogamp/newt/PointerIconImpl.java b/src/newt/classes/jogamp/newt/PointerIconImpl.java index e0a47fed2..57f613fea 100644 --- a/src/newt/classes/jogamp/newt/PointerIconImpl.java +++ b/src/newt/classes/jogamp/newt/PointerIconImpl.java @@ -55,6 +55,9 @@ public class PointerIconImpl implements PointerIcon { this.pixels = pixels; this.hotspot = hotspot; this.handle=handle; + if( 0 == handle ) { + throw new IllegalArgumentException("0 native handle: "+this); + } } public PointerIconImpl(final DisplayImpl display, final PixelRectangle pixelrect, final PointImmutable hotspot, final long handle) { this.display = display; @@ -63,6 +66,9 @@ public class PointerIconImpl implements PointerIcon { this.pixels = pixelrect.getPixels(); this.hotspot = hotspot; this.handle=handle; + if( 0 == handle ) { + throw new IllegalArgumentException("0 native handle: "+this); + } } @Override @@ -113,7 +119,7 @@ public class PointerIconImpl implements PointerIcon { if(Display.DEBUG) { System.err.println("PointerIcon.destroy: "+this+", "+display+", "+Display.getThreadName()); } - if( 0 != handle ) { + if( 0 != handle ) { // early out synchronized(display.pointerIconList) { display.pointerIconList.remove(this); } @@ -126,14 +132,16 @@ public class PointerIconImpl implements PointerIcon { } } - /** No checks, assume execution on EDT */ + /** assume execution on EDT */ synchronized void destroyOnEDT(final long dpy) { final long h = handle; handle = 0; - try { - display.destroyPointerIconImpl(dpy, h); - } catch (final Exception e) { - e.printStackTrace(); + if( 0 != h ) { // avoid double free + try { + display.destroyPointerIconImpl(dpy, h); + } catch (final Exception e) { + e.printStackTrace(); + } } } |