Added GLCapabilities.setBackgroundOpaque() and isBackgroundOpaque()

for shaped window support on Mac OS X, and modified MacOSXCGLContext
to pay attention to this bit. Changed Mac OS X port of Newt to make
window non-opaque if borderless, and still allow it to receive the
keyboard focus.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1841 232f8b59-042b-4e1e-8c03-345bb8c30851

2 files changed, 14 insertions, 0 deletions

diff --git a/src/native/newt/MacWindow.m b/src/native/newt/MacWindow.m
index 5b479e05d..6dca9b93b 100644
--- a/src/native/newt/MacWindow.m
+++ b/src/native/newt/MacWindow.m
@@ -137,6 +137,13 @@ JNIEXPORT jlong JNICALL Java_com_sun_javafx_newt_macosx_MacWindow_createWindow
                                                defer: YES
                                                javaWindowObject: windowObj] retain];
 
+    // If the window is undecorated, assume we want the possibility of
+    // a shaped window, so make it non-opaque and the background color clear
+    if ((styleMask & NSTitledWindowMask) == 0) {
+        [window setOpaque: NO];
+        [window setBackgroundColor: [NSColor clearColor]];
+    }
+
     // Immediately re-position the window based on an upper-left coordinate system
     setFrameTopLeftPoint(window, x, y);
 
diff --git a/src/native/newt/NewtMacWindow.m b/src/native/newt/NewtMacWindow.m
index 5655f2fa6..d0cf6ad15 100644
--- a/src/native/newt/NewtMacWindow.m
+++ b/src/native/newt/NewtMacWindow.m
@@ -82,6 +82,13 @@ static JNIEnv* env = NULL;
     return res;
 }
 
+- (BOOL) canBecomeKeyWindow
+{
+    // Even if the window is borderless, we still want it to be able
+    // to become the key window to receive keyboard events
+    return YES;
+}
+
 static jint mods2JavaMods(NSUInteger mods)
 {
     int javaMods = 0;