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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Include file for SDL custom system window manager hooks */
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29
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30 #ifndef _SDL_syswm_h
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31 #define _SDL_syswm_h
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32
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33 #include "SDL_version.h"
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34
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35 #include "begin_code.h"
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36 /* Set up for C function definitions, even when using C++ */
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37 #ifdef __cplusplus
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38 extern "C" {
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39 #endif
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40
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41 /* Your application has access to a special type of event 'SDL_SYSWMEVENT',
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42 which contains window-manager specific information and arrives whenever
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43 an unhandled window event occurs. This event is ignored by default, but
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44 you can enable it with SDL_EventState()
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45 */
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46 #ifdef SDL_PROTOTYPES_ONLY
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47 struct SDL_SysWMinfo;
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48 typedef struct SDL_SysWMinfo SDL_SysWMinfo;
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49 #else
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50
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51 /* This is the structure for custom window manager events */
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52 #if (defined(unix) || defined(__unix__) || defined(_AIX)) && \
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53 (!defined(DISABLE_X11) && !defined(__CYGWIN32__))
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54 /* AIX is unix, of course, but the native compiler CSet doesn't define unix */
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55 #include <X11/Xlib.h>
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56 #include <X11/Xatom.h>
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57
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58 /* These are the various supported subsystems under UNIX */
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59 typedef enum {
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60 SDL_SYSWM_X11
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61 } SDL_SYSWM_TYPE;
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62
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63 /* The UNIX custom event structure */
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64 struct SDL_SysWMmsg {
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65 SDL_version version;
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66 SDL_SYSWM_TYPE subsystem;
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67 union {
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68 XEvent xevent;
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69 } event;
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70 };
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71
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72 /* The UNIX custom window manager information structure.
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73 When this structure is returned, it holds information about which
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74 low level system it is using, and will be one of SDL_SYSWM_TYPE.
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75 */
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76 typedef struct {
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77 SDL_version version;
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78 SDL_SYSWM_TYPE subsystem;
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79 union {
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80 struct {
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81 Display *display; /* The X11 display */
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82 Window window; /* The X11 display window */
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83 /* These locking functions should be called around
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84 any X11 functions using the display variable.
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85 They lock the event thread, so should not be
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86 called around event functions or from event filters.
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87 */
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88 void (*lock_func)(void);
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89 void (*unlock_func)(void);
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90
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91 /* Introduced in SDL 1.0.2 */
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92 Window fswindow; /* The X11 fullscreen window */
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93 Window wmwindow; /* The X11 managed input window */
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94 } x11;
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95 } info;
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96 } SDL_SysWMinfo;
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97
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98 #elif defined(WIN32)
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99 #include <windows.h>
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100
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101 /* The windows custom event structure */
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102 struct SDL_SysWMmsg {
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103 SDL_version version;
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104 HWND hwnd; /* The window for the message */
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105 UINT msg; /* The type of message */
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106 WPARAM wParam; /* WORD message parameter */
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107 LPARAM lParam; /* LONG message parameter */
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108 };
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109
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110 /* The windows custom window manager information structure */
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111 typedef struct {
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112 SDL_version version;
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113 HWND window; /* The Win32 display window */
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114 } SDL_SysWMinfo;
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115
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116 #else
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117
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118 /* The generic custom event structure */
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119 struct SDL_SysWMmsg {
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120 SDL_version version;
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121 int data;
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122 };
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123
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124 /* The generic custom window manager information structure */
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125 typedef struct {
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126 SDL_version version;
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127 int data;
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128 } SDL_SysWMinfo;
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129
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130 #endif /* OS type */
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131
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132 #endif /* SDL_PROTOTYPES_ONLY */
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133
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134 /* Function prototypes */
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135 /*
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136 * This function gives you custom hooks into the window manager information.
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137 * It fills the structure pointed to by 'info' with custom information and
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138 * returns 1 if the function is implemented. If it's not implemented, or
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139 * the version member of the 'info' structure is invalid, it returns 0.
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140 */
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141 extern DECLSPEC int SDL_GetWMInfo(SDL_SysWMinfo *info);
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142
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143
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144 /* Ends C function definitions when using C++ */
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145 #ifdef __cplusplus
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146 }
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147 #endif
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148 #include "close_code.h"
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149
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150 #endif /* _SDL_syswm_h */
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