removing superfluous 10.5 checks

[wxWidgets.git] / src / osx / utils_osx.cpp

diff --git a/src/osx/utils_osx.cpp b/src/osx/utils_osx.cpp
index c7adb418110dc1f4527250b5afe869fa10bf4b57..0cd8cda71339cbad392d44fb57fa47c7b49bf37e 100644 (file)
--- a/src/osx/utils_osx.cpp
+++ b/src/osx/utils_osx.cpp
@@ -4,7 +4,7 @@
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
-// RCS-ID:      $Id: utils.cpp 54886 2008-07-31 13:02:53Z SC $
+// RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -44,12 +44,6 @@
 
 #include "wx/evtloop.h"
 
-#if defined(__MWERKS__) && wxUSE_UNICODE
-#if __MWERKS__ < 0x4100
-    #include <wtime.h>
-#endif
-#endif
-
 // Check whether this window wants to process messages, e.g. Stop button
 // in long calculations.
 bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd))
@@ -61,14 +55,50 @@ bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd))
 // Return true if we have a colour display
 bool wxColourDisplay()
 {
+    // always the case on OS X
     return true;
 }
 
+
 #if wxOSX_USE_COCOA_OR_CARBON
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1070) && (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
+// bring back declaration so that we can support deployment targets < 10_6
+CG_EXTERN size_t CGDisplayBitsPerPixel(CGDirectDisplayID display)
+CG_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_6,
+                            __IPHONE_NA, __IPHONE_NA);
+#endif
+
 // Returns depth of screen
 int wxDisplayDepth()
 {
-    int theDepth = (int) CGDisplayBitsPerPixel(CGMainDisplayID());
+    int theDepth = 0;
+    
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+    if ( UMAGetSystemVersion() >= 0x1060 ) 
+    {
+        CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
+        CFStringRef encoding = CGDisplayModeCopyPixelEncoding(currentMode);
+        
+        if(CFStringCompare(encoding, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
+            theDepth = 32;
+        else if(CFStringCompare(encoding, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
+            theDepth = 16;
+        else if(CFStringCompare(encoding, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
+            theDepth = 8;
+        else
+            theDepth = 32; // some reasonable default
+
+        CFRelease(encoding);
+        CGDisplayModeRelease(currentMode);
+    }
+    else
+#endif
+    {
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+        theDepth = (int) CGDisplayBitsPerPixel(CGMainDisplayID());
+#endif
+    }
     return theDepth;
 }
 
@@ -97,7 +127,7 @@ bool wxLaunchDefaultApplication(const wxString& document, int flags)
     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
     wxCFRef<CFURLRef> curl(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
     OSStatus err = LSOpenCFURLRef( curl , NULL );
-    
+
     if (err == noErr)
     {
         return true;