Added Mac OS X implementation of clipboard support

src/video/cocoa/SDL_cocoaclipboard.h

+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2010 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_cocoaclipboard_h
+#define _SDL_cocoaclipboard_h
+
+extern int Cocoa_SetClipboardText(_THIS, const char *text);
+extern char *Cocoa_GetClipboardText(_THIS);
+extern SDL_bool Cocoa_HasClipboardText(_THIS);
+
+#endif /* _SDL_cocoaclipboard_h */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/cocoa/SDL_cocoaclipboard.m

+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2010 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_cocoavideo.h"
+
+
+int
+Cocoa_SetClipboardText(_THIS, const char *text)
+{
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+    NSAutoreleasePool *pool;
+	NSPasteboard *pasteboard;
+    NSString *format;
+
+    if (data->osversion >= 0x1060) {
+        format = NSPasteboardTypeString;
+    } else {
+        format = NSStringPboardType;
+    }
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    pasteboard = [NSPasteboard generalPasteboard];
+    [pasteboard declareTypes:[NSArray arrayWithObject:format] owner:nil];
+    [pasteboard setString:[NSString stringWithUTF8String:text] forType:format];
+
+    [pool release];
+
+    return 0;
+}
+
+char *
+Cocoa_GetClipboardText(_THIS)
+{
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+    NSAutoreleasePool *pool;
+	NSPasteboard *pasteboard;
+    NSString *format;
+    NSString *available;
+    char *text;
+
+    if (data->osversion >= 0x1060) {
+        format = NSPasteboardTypeString;
+    } else {
+        format = NSStringPboardType;
+    }
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    pasteboard = [NSPasteboard generalPasteboard];
+    available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:format]];
+    if ([available isEqualToString:format]) {
+        NSString* string;
+        const char *utf8;
+
+        string = [pasteboard stringForType:format];
+        if (string == nil) {
+            utf8 = "";
+        } else {
+            utf8 = [string UTF8String];
+        }
+        text = SDL_strdup(utf8);
+    } else {
+        text = SDL_strdup("");
+    }
+
+    [pool release];
+
+    return text;
+}
+
+SDL_bool
+Cocoa_HasClipboardText(_THIS)
+{
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+    NSAutoreleasePool *pool;
+	NSPasteboard *pasteboard;
+    NSString *format;
+    NSString *available;
+    SDL_bool result;
+
+    if (data->osversion >= 0x1060) {
+        format = NSPasteboardTypeString;
+    } else {
+        format = NSStringPboardType;
+    }
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    pasteboard = [NSPasteboard generalPasteboard];
+    available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:format]];
+    if ([available isEqualToString:format]) {
+        result = SDL_TRUE;
+    } else {
+        result = SDL_FALSE;
+    }
+
+    [pool release];
+
+    return result;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/cocoa/SDL_cocoavideo.h

@@ -32,6 +32,7 @@
 #include "SDL_keysym.h"
 #include "../SDL_sysvideo.h"
 
+#include "SDL_cocoaclipboard.h"
 #include "SDL_cocoaevents.h"
 #include "SDL_cocoakeyboard.h"
 #include "SDL_cocoamodes.h"

src/video/cocoa/SDL_cocoavideo.m

@@ -108,6 +108,10 @@ Cocoa_CreateDevice(int devindex)
     device->StopTextInput = Cocoa_StopTextInput;
     device->SetTextInputRect = Cocoa_SetTextInputRect;
 
+    device->SetClipboardText = Cocoa_SetClipboardText;
+    device->GetClipboardText = Cocoa_GetClipboardText;
+    device->HasClipboardText = Cocoa_HasClipboardText;
+
     device->free = Cocoa_DeleteDevice;
 
     return device;