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annotate src/video/directfb/SDL_DirectFB_dyn.c @ 3502:98a819296cdc

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Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode. If it loses any of those properties the desktop mode will be restored.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Dec 2009 08:56:12 +0000
parents d72a0dd80e8b
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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_DirectFB_video.h"
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25 #include "SDL_DirectFB_dyn.h"
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26
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27 #ifdef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC
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28 #include "SDL_name.h"
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29 #include "SDL_loadso.h"
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30
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31 #define DFB_SYM(ret, name, args, al, func) ret (*name) args;
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32 static struct _SDL_DirectFB_Symbols
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33 {
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34 DFB_SYMS const unsigned int *directfb_major_version;
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35 const unsigned int *directfb_minor_version;
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36 const unsigned int *directfb_micro_version;
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37 } SDL_DirectFB_Symbols;
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38 #undef DFB_SYM
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39
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40 #define DFB_SYM(ret, name, args, al, func) ret name args { func SDL_DirectFB_Symbols.name al ; }
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41 DFB_SYMS
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42 #undef DFB_SYM
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43 static void *handle = NULL;
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44
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45 int
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46 SDL_DirectFB_LoadLibrary(void)
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47 {
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48 int retval = 0;
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49
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50 if (handle == NULL) {
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51 handle = SDL_LoadObject(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC);
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52 if (handle != NULL) {
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53 retval = 1;
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54 #define DFB_SYM(ret, name, args, al, func) if (!(SDL_DirectFB_Symbols.name = SDL_LoadFunction(handle, # name))) retval = 0;
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55 DFB_SYMS
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56 #undef DFB_SYM
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57 if (!
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58 (SDL_DirectFB_Symbols.directfb_major_version =
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59 SDL_LoadFunction(handle, "directfb_major_version")))
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60 retval = 0;
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61 if (!
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62 (SDL_DirectFB_Symbols.directfb_minor_version =
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63 SDL_LoadFunction(handle, "directfb_minor_version")))
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64 retval = 0;
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65 if (!
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66 (SDL_DirectFB_Symbols.directfb_micro_version =
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67 SDL_LoadFunction(handle, "directfb_micro_version")))
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68 retval = 0;
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69 }
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70 }
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71 if (retval) {
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72 const char *stemp = DirectFBCheckVersion(DIRECTFB_MAJOR_VERSION,
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73 DIRECTFB_MINOR_VERSION,
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74 DIRECTFB_MICRO_VERSION);
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75 /* Version Check */
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76 if (stemp != NULL) {
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77 fprintf(stderr,
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78 "DirectFB Lib: Version mismatch. Compiled: %d.%d.%d Library %d.%d.%d\n",
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79 DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION,
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80 DIRECTFB_MICRO_VERSION,
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81 *SDL_DirectFB_Symbols.directfb_major_version,
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82 *SDL_DirectFB_Symbols.directfb_minor_version,
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83 *SDL_DirectFB_Symbols.directfb_micro_version);
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84 retval = 0;
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85 }
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86 }
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87 if (!retval)
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88 SDL_DirectFB_UnLoadLibrary();
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89 return retval;
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90 }
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91
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92 void
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93 SDL_DirectFB_UnLoadLibrary(void)
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94 {
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95 if (handle != NULL) {
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96 SDL_UnloadObject(handle);
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97 handle = NULL;
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98 }
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99 }
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100
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101 #else
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102 int
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103 SDL_DirectFB_LoadLibrary(void)
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104 {
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105 return 1;
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106 }
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107
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108 void
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109 SDL_DirectFB_UnLoadLibrary(void)
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110 {
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111 }
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112 #endif