Use native Lion full screen functionality

On Lion use the full screen functionality built into the OS.  Also
change the shortcut to toggle full screen to Cmd-Ctrl-f.

runtime/menu.vim

@@ -1215,7 +1215,7 @@ if has("gui_macvim")
   macm Window.Minimize\ All	key=<D-M-m>	action=miniaturizeAll:	alt=YES
   macm Window.Zoom		key=<D-C-z>	action=performZoom:
   macm Window.Zoom\ All		key=<D-M-C-z>	action=zoomAll:		alt=YES
-  macm Window.Toggle\ Full\ Screen\ Mode	key=<D-F>
+  macm Window.Toggle\ Full\ Screen\ Mode	key=<D-C-f>
   macm Window.Select\ Next\ Tab			key=<D-}>
   macm Window.Select\ Previous\ Tab		key=<D-{>
   macm Window.Bring\ All\ To\ Front		action=arrangeInFront:

src/MacVim/MMVimController.m

@@ -766,14 +766,22 @@ static BOOL isUnsafeMessage(int msgid);
         [self setServerName:name];
         [name release];
     } else if (EnterFullscreenMsgID == msgid) {
+#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7)
         const void *bytes = [data bytes];
         int fuoptions = *((int*)bytes); bytes += sizeof(int);
         int bg = *((int*)bytes);
         NSColor *back = [NSColor colorWithArgbInt:bg];
 
         [windowController enterFullscreen:fuoptions backgroundColor:back];
+#else
+        [[windowController window] toggleFullScreen:self];
+#endif
     } else if (LeaveFullscreenMsgID == msgid) {
+#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7)
         [windowController leaveFullscreen];
+#else
+        [[windowController window] toggleFullScreen:self];
+#endif
     } else if (SetBuffersModifiedMsgID == msgid) {
         const void *bytes = [data bytes];
         // state < 0  <->  some buffer modified

src/MacVim/MMWindowController.m

@@ -181,6 +181,10 @@
     if ([win respondsToSelector:@selector(_setContentHasShadow:)])
         [win _setContentHasShadow:NO];
 
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7)
+    [win setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
+#endif
+
     return self;
 }
 
@@ -957,6 +961,14 @@
     [vimController sendMessage:ZoomMsgID data:data];
 }
 
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7)
+- (NSApplicationPresentationOptions)window:(NSWindow *)window
+    willUseFullScreenPresentationOptions:(NSApplicationPresentationOptions)opt
+{
+    return opt | NSApplicationPresentationAutoHideToolbar;
+}
+#endif
+
 
 
 // -- Services menu delegate -------------------------------------------------

src/MacVim/MacVim.h

@@ -22,6 +22,9 @@
 #ifndef MAC_OS_X_VERSION_10_6
 # define MAC_OS_X_VERSION_10_6 1060
 #endif
+#ifndef MAC_OS_X_VERSION_10_7
+# define MAC_OS_X_VERSION_10_7 1070
+#endif
 
 
 //