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annotate src/video/SDL_clipboard.c @ 5004:0c72ae7b7cb2

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Added native atomic operations for Windows, Mac OS X, and gcc compiler intrinsics. Changed the CAS return value to bool, so it's efficient with OSAtomicCompareAndSwap32Barrier() Added an atomic test adapted from code by Michael Davidsaver
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jan 2011 15:16:39 -0800
parents b577f47379f3
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_clipboard.h"
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25 #include "SDL_sysvideo.h"
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26
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27
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28 int
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29 SDL_SetClipboardText(const char *text)
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30 {
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31 SDL_VideoDevice *_this = SDL_GetVideoDevice();
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32
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33 if (!text) {
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34 text = "";
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35 }
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36 if (_this->SetClipboardText) {
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37 return _this->SetClipboardText(_this, text);
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38 } else {
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39 _this->clipboard_text = SDL_strdup(text);
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40 return 0;
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41 }
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42 }
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43
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44 char *
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45 SDL_GetClipboardText(void)
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46 {
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47 SDL_VideoDevice *_this = SDL_GetVideoDevice();
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48
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49 if (_this->GetClipboardText) {
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50 return _this->GetClipboardText(_this);
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51 } else {
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52 const char *text = _this->clipboard_text;
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53 if (!text) {
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54 text = "";
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55 }
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56 return SDL_strdup(text);
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57 }
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58 }
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59
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60 SDL_bool
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61 SDL_HasClipboardText(void)
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62 {
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63 SDL_VideoDevice *_this = SDL_GetVideoDevice();
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64
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65 if (_this->HasClipboardText) {
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66 return _this->HasClipboardText(_this);
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67 } else {
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68 if (_this->clipboard_text) {
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69 return SDL_TRUE;
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70 } else {
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71 return SDL_FALSE;
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72 }
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73 }
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74 }
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75
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76 /* vi: set ts=4 sw=4 expandtab: */