Bug 914: Newt OSX: Don't use exclusive fullscreen mode (captured display) in favor of proper WM incl. ALT-TAB app-switching

3 files changed, 37 insertions, 0 deletions

diff --git a/src/newt/native/MacWindow.m b/src/newt/native/MacWindow.m
index f0ed170f0..3e8935787 100644
--- a/src/newt/native/MacWindow.m
+++ b/src/newt/native/MacWindow.m
@@ -827,8 +827,21 @@ NS_ENDHANDLER
 NS_DURING
     // Available >= 10.5 - Makes the menubar disapear
     if( fullscreen ) {
+        /** 
+         * See Bug 914: We don't use exclusive fullscreen anymore (capturing display)
+         * allowing ALT-TAB to allow process/app switching!
+         * Shall have no penalty on modern GPU and is also recommended, see bottom box @
+         * <https://developer.apple.com/library/mac/documentation/graphicsimaging/Conceptual/QuartzDisplayServicesConceptual/Articles/DisplayCapture.html>
+         *
         if ( [myView respondsToSelector:@selector(enterFullScreenMode:withOptions:)] ) {
             [myView enterFullScreenMode: myScreen withOptions:NULL];
+        } */
+        if ( 0 != myView->fullscreenPresentationOptions ) {
+            [NSApp setPresentationOptions: myView->fullscreenPresentationOptions];
+        }
+    } else {
+        if ( 0 != myView->defaultPresentationOptions ) {
+            [NSApp setPresentationOptions: myView->defaultPresentationOptions];
         }
     }
 NS_HANDLER
diff --git a/src/newt/native/NewtMacWindow.h b/src/newt/native/NewtMacWindow.h
index c9d53f53b..a3bd5c41b 100644
--- a/src/newt/native/NewtMacWindow.h
+++ b/src/newt/native/NewtMacWindow.h
@@ -64,6 +64,9 @@
     volatile NSTrackingRectTag ptrTrackingTag;
     NSRect ptrRect;
     NSCursor * myCursor;
+@public
+    NSUInteger defaultPresentationOptions;
+    NSUInteger fullscreenPresentationOptions;
 }
 
 - (id)initWithFrame:(NSRect)frameRect;
diff --git a/src/newt/native/NewtMacWindow.m b/src/newt/native/NewtMacWindow.m
index 686e5d2b0..266b63081 100644
--- a/src/newt/native/NewtMacWindow.m
+++ b/src/newt/native/NewtMacWindow.m
@@ -129,6 +129,27 @@ static jmethodID windowRepaintID = NULL;
     */
     myCursor = NULL;
 
+    // OSX 10.6
+    if ( [NSApp respondsToSelector:@selector(currentSystemPresentationOptions)] &&
+         [NSApp respondsToSelector:@selector(setPresentationOptions:)] ) {
+        defaultPresentationOptions = [NSApp currentSystemPresentationOptions];
+        fullscreenPresentationOptions = 
+                // NSApplicationPresentationDefault|
+                // NSApplicationPresentationAutoHideDock|
+                NSApplicationPresentationHideDock|
+                // NSApplicationPresentationAutoHideMenuBar|
+                NSApplicationPresentationHideMenuBar|
+                NSApplicationPresentationDisableAppleMenu|
+                // NSApplicationPresentationDisableProcessSwitching|
+                // NSApplicationPresentationDisableSessionTermination|
+                NSApplicationPresentationDisableHideApplication|
+                // NSApplicationPresentationDisableMenuBarTransparency|
+                0 ;
+    } else {
+        defaultPresentationOptions = 0;
+        fullscreenPresentationOptions = 0; 
+    }
+
     DBG_PRINT("NewtView::create: %p (refcnt %d)\n", res, (int)[res retainCount]);
     return res;
 }