src/video/cocoa/SDL_cocoaclipboard.m
author Andreas Schiffler
Sat, 29 Oct 2011 23:43:59 -0700
changeset 6036 f2a89f2a6157
parent 5646 fe1df351ca3d
child 6044 35448a5ea044
permissions -rw-r--r--
Update SDL_HasClipboardText functions to return value based on clipboard content; Fix memory leak in fallback SetClipboard implementation
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#include "SDL_cocoavideo.h"
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#include "../../events/SDL_clipboardevents_c.h"
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static NSString *
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GetTextFormat(_THIS)
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{
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    if (data->osversion >= 0x1060) {
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        return NSPasteboardTypeString;
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    } else {
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        return NSStringPboardType;
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    }
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#else
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    return NSStringPboardType;
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#endif
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}
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int
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Cocoa_SetClipboardText(_THIS, const char *text)
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    NSAutoreleasePool *pool;
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    NSPasteboard *pasteboard;
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    NSString *format = GetTextFormat(_this);
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    pool = [[NSAutoreleasePool alloc] init];
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    pasteboard = [NSPasteboard generalPasteboard];
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    data->clipboard_count = [pasteboard declareTypes:[NSArray arrayWithObject:format] owner:nil];
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    [pasteboard setString:[NSString stringWithUTF8String:text] forType:format];
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    [pool release];
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    return 0;
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}
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char *
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Cocoa_GetClipboardText(_THIS)
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{
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    NSAutoreleasePool *pool;
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    NSPasteboard *pasteboard;
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    NSString *format = GetTextFormat(_this);
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    NSString *available;
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    char *text;
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    pool = [[NSAutoreleasePool alloc] init];
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    pasteboard = [NSPasteboard generalPasteboard];
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    available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:format]];
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    if ([available isEqualToString:format]) {
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        NSString* string;
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        const char *utf8;
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        string = [pasteboard stringForType:format];
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        if (string == nil) {
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            utf8 = "";
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        } else {
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            utf8 = [string UTF8String];
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        }
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        text = SDL_strdup(utf8);
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    } else {
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        text = SDL_strdup("");
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    }
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    [pool release];
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    return text;
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}
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SDL_bool
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Cocoa_HasClipboardText(_THIS)
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{
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    SDL_bool result = SDL_FALSE;
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    char *text = Cocoa_GetClipboardText(_this);
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    if (text) {
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	result = (SDL_strlen(text)>0) ? SDL_TRUE : SDL_FALSE;
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	SDL_free(text);
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    }
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    return result;
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}
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void
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Cocoa_CheckClipboardUpdate(struct SDL_VideoData * data)
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{
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    NSAutoreleasePool *pool;
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    NSPasteboard *pasteboard;
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    NSInteger count;
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    pool = [[NSAutoreleasePool alloc] init];
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    pasteboard = [NSPasteboard generalPasteboard];
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    count = [pasteboard changeCount];
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    if (count != data->clipboard_count) {
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        if (data->clipboard_count) {
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            SDL_SendClipboardUpdate();
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        }
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        data->clipboard_count = count;
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    }
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    [pool release];
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}
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