Fix compilation on Mac 10.6 and 10.7 (#2112)

app/display/gimpimagewindow.c

@@ -94,6 +94,10 @@
 /* Whether the window's maximized or not */
 #define GIMP_IMAGE_WINDOW_MAXIMIZED        "maximized"
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
+#define NSWindowCollectionBehaviorFullScreenAuxiliary (1 << 8)
+#endif
+
 
 enum
 {
@@ -633,12 +637,7 @@ gimp_image_window_map (GtkWidget *widget)
    * as soon as GTK+ has proper support for this, we will migrate to the
    * new-style full screen mode.
    */
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
   ns_window.collectionBehavior |= NSWindowCollectionBehaviorFullScreenAuxiliary;
-#else
-  /* Hard code the define ... */
-  ns_window.collectionBehavior |= 1 << 8;
-#endif
 #endif /* !GDK_WINDOWING_QUARTZ */
 }
 

app/widgets/gimpwidgets-utils.c

@@ -34,7 +34,7 @@
 #endif
 
 #ifdef PLATFORM_OSX
-#include <CoreGraphics/CoreGraphics.h>
+#include <ApplicationServices/ApplicationServices.h>
 #endif
 
 #include "libgimpbase/gimpbase.h"

libgimpwidgets/gimppickbutton-quartz.c

@@ -34,6 +34,21 @@
 #include <ApplicationServices/ApplicationServices.h>
 #endif
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
+@interface NSWindow (GIMPExt)
+- (NSRect) convertRectToScreen: (NSRect)aRect;
+@end
+@implementation NSWindow (GIMPExt)
+- (NSRect) convertRectToScreen: (NSRect)aRect
+{
+  NSRect result = aRect;
+  NSPoint origin = result.origin;
+  result.origin = [self convertBaseToScreen:origin];
+  return result;
+}
+@end
+#endif
+
 
 @interface GimpPickWindowController : NSObject
 {