/*

  Simple DirectMedia Layer

  Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied

  warranty.  In no event will the authors be held liable for any damages

  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,

  including commercial applications, and to alter it and redistribute it

  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not

     claim that you wrote the original software. If you use this software

     in a product, an acknowledgment in the product documentation would be

     appreciated but is not required.

  2. Altered source versions must be plainly marked as such, and must not be

     misrepresented as being the original software.

  3. This notice may not be removed or altered from any source distribution.

*/

#include "SDL_config.h"

#include "SDL_cocoavideo.h"

#include "../../events/SDL_clipboardevents_c.h"

static NSString *

GetTextFormat(_THIS)

{

#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6

    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    if (data->osversion >= 0x1060) {

        return NSPasteboardTypeString;

    } else {

        return NSStringPboardType;

    }

#else

    return NSStringPboardType;

#endif

}

int

Cocoa_SetClipboardText(_THIS, const char *text)

{

    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    NSAutoreleasePool *pool;

    NSPasteboard *pasteboard;

    NSString *format = GetTextFormat(_this);

    pool = [[NSAutoreleasePool alloc] init];

    pasteboard = [NSPasteboard generalPasteboard];

    data->clipboard_count = [pasteboard declareTypes:[NSArray arrayWithObject:format] owner:nil];

    [pasteboard setString:[NSString stringWithUTF8String:text] forType:format];

    [pool release];

    return 0;

}

char *

Cocoa_GetClipboardText(_THIS)

{

    NSAutoreleasePool *pool;

    NSPasteboard *pasteboard;

    NSString *format = GetTextFormat(_this);

    NSString *available;

    char *text;

    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)

{

    NSAutoreleasePool *pool;

    NSPasteboard *pasteboard;

    NSString *format = GetTextFormat(_this);

    NSString *available;

    SDL_bool result;

    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;

}

void

Cocoa_CheckClipboardUpdate(struct SDL_VideoData * data)

{

    NSAutoreleasePool *pool;

    NSPasteboard *pasteboard;

    NSInteger count;

    pool = [[NSAutoreleasePool alloc] init];

    pasteboard = [NSPasteboard generalPasteboard];

    count = [pasteboard changeCount];

    if (count != data->clipboard_count) {

        if (data->clipboard_count) {

            SDL_SendClipboardUpdate();

        }

        data->clipboard_count = count;

    }

    [pool release];

}

/* vi: set ts=4 sw=4 expandtab: */