Mercurial > sdl-ios-xcode
annotate include/SDL_syswm.h @ 4393:9afe12fb4c41 SDL-1.2
Fixed bug #901
Tim Angus 2009-12-11 11:45:46 PST
Disable mouse event generation when state is not SDL_APPMOUSEFOCUS
If a Windows SDL application is minimised by using alt-tab, SDL_APPMOUSEFOCUS
is lost as part of the minimisation. Unfortunately, the directx driver doesn't
pay any attention to this state when generating mouse button events, so
clicking on the Desktop can cause mouse clicks in the SDL application, while
it's still minimised. The attached patch fixes this. It looks much more
complicated than it actually is due to indentation; here it is ignoring
whitespace:
tma@abraxas:~/sources/SDL-1.2-svn$ svn diff -x -b
Index: src/video/windx5/SDL_dx5events.c
===================================================================
--- src/video/windx5/SDL_dx5events.c (revision 5376)
+++ src/video/windx5/SDL_dx5events.c (working copy)
@@ -374,10 +374,9 @@
if ( !(SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
mouse_lost = 1;
ClipCursor(NULL);
- }
-
+ } else {
/* If the mouse was lost, regain some sense of mouse state */
- if ( mouse_lost && (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
+ if ( mouse_lost ) {
POINT mouse_pos;
Uint8 old_state;
Uint8 new_state;
@@ -548,6 +547,7 @@
if ( xrel || yrel ) {
post_mouse_motion(1, xrel, yrel);
}
+ }
}
/* The main Win32 event handler */
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 14 Dec 2009 22:41:31 +0000 |
| parents | 4c4113c2162c |
| children | 3f2d351d8274 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 4217 | 23 /** @file SDL_syswm.h |
| 24 * Include file for SDL custom system window manager hooks | |
| 25 */ | |
| 0 | 26 |
| 27 #ifndef _SDL_syswm_h | |
| 28 #define _SDL_syswm_h | |
| 29 | |
|
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30 #include "SDL_stdinc.h" |
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31 #include "SDL_error.h" |
| 0 | 32 #include "SDL_version.h" |
| 33 | |
| 34 #include "begin_code.h" | |
| 35 /* Set up for C function definitions, even when using C++ */ | |
| 36 #ifdef __cplusplus | |
| 37 extern "C" { | |
| 38 #endif | |
| 39 | |
| 4217 | 40 /** @file SDL_syswm.h |
| 41 * Your application has access to a special type of event 'SDL_SYSWMEVENT', | |
| 42 * which contains window-manager specific information and arrives whenever | |
| 43 * an unhandled window event occurs. This event is ignored by default, but | |
| 44 * you can enable it with SDL_EventState() | |
| 45 */ | |
| 0 | 46 #ifdef SDL_PROTOTYPES_ONLY |
| 47 struct SDL_SysWMinfo; | |
| 48 typedef struct SDL_SysWMinfo SDL_SysWMinfo; | |
| 49 #else | |
| 50 | |
|
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51 /* This is the structure for custom window manager events */ |
| 1626 | 52 #if defined(SDL_VIDEO_DRIVER_X11) |
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53 #if defined(__APPLE__) && defined(__MACH__) |
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54 /* conflicts with Quickdraw.h */ |
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55 #define Cursor X11Cursor |
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56 #endif |
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57 |
| 0 | 58 #include <X11/Xlib.h> |
| 59 #include <X11/Xatom.h> | |
| 60 | |
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61 #if defined(__APPLE__) && defined(__MACH__) |
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62 /* matches the re-define above */ |
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63 #undef Cursor |
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64 #endif |
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65 |
| 4217 | 66 /** These are the various supported subsystems under UNIX */ |
| 0 | 67 typedef enum { |
| 68 SDL_SYSWM_X11 | |
| 69 } SDL_SYSWM_TYPE; | |
| 70 | |
| 4217 | 71 /** The UNIX custom event structure */ |
| 0 | 72 struct SDL_SysWMmsg { |
| 73 SDL_version version; | |
| 74 SDL_SYSWM_TYPE subsystem; | |
| 75 union { | |
| 76 XEvent xevent; | |
| 77 } event; | |
| 78 }; | |
| 79 | |
| 4217 | 80 /** The UNIX custom window manager information structure. |
| 81 * When this structure is returned, it holds information about which | |
| 82 * low level system it is using, and will be one of SDL_SYSWM_TYPE. | |
| 0 | 83 */ |
|
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84 typedef struct SDL_SysWMinfo { |
| 0 | 85 SDL_version version; |
| 86 SDL_SYSWM_TYPE subsystem; | |
| 87 union { | |
| 88 struct { | |
| 4217 | 89 Display *display; /**< The X11 display */ |
| 90 Window window; /**< The X11 display window */ | |
| 91 /** These locking functions should be called around | |
| 92 * any X11 functions using the display variable, | |
| 93 * but not the gfxdisplay variable. | |
| 94 * They lock the event thread, so should not be | |
| 95 * called around event functions or from event filters. | |
| 0 | 96 */ |
| 4217 | 97 /*@{*/ |
| 0 | 98 void (*lock_func)(void); |
| 99 void (*unlock_func)(void); | |
| 4217 | 100 /*@}*/ |
| 0 | 101 |
| 4217 | 102 /** @name Introduced in SDL 1.0.2 */ |
| 103 /*@{*/ | |
| 104 Window fswindow; /**< The X11 fullscreen window */ | |
| 105 Window wmwindow; /**< The X11 managed input window */ | |
| 106 /*@}*/ | |
| 3872 | 107 |
| 4217 | 108 /** @name Introduced in SDL 1.2.12 */ |
| 109 /*@{*/ | |
| 110 Display *gfxdisplay; /**< The X11 display to which rendering is done */ | |
| 111 /*@}*/ | |
| 0 | 112 } x11; |
| 113 } info; | |
| 114 } SDL_SysWMinfo; | |
| 115 | |
| 1626 | 116 #elif defined(SDL_VIDEO_DRIVER_NANOX) |
|
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117 #include <microwin/nano-X.h> |
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118 |
| 4217 | 119 /** The generic custom event structure */ |
|
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120 struct SDL_SysWMmsg { |
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121 SDL_version version; |
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122 int data; |
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123 }; |
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124 |
| 4217 | 125 /** The windows custom window manager information structure */ |
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126 typedef struct SDL_SysWMinfo { |
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127 SDL_version version ; |
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128 GR_WINDOW_ID window ; /* The display window */ |
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129 } SDL_SysWMinfo; |
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130 |
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131 #elif defined(SDL_VIDEO_DRIVER_WINDIB) || defined(SDL_VIDEO_DRIVER_DDRAW) || defined(SDL_VIDEO_DRIVER_GAPI) |
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132 #define WIN32_LEAN_AND_MEAN |
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133 #include <windows.h> |
| 0 | 134 |
| 4217 | 135 /** The windows custom event structure */ |
| 0 | 136 struct SDL_SysWMmsg { |
| 137 SDL_version version; | |
| 4217 | 138 HWND hwnd; /**< The window for the message */ |
| 139 UINT msg; /**< The type of message */ | |
| 140 WPARAM wParam; /**< WORD message parameter */ | |
| 141 LPARAM lParam; /**< LONG message parameter */ | |
| 0 | 142 }; |
| 143 | |
| 4217 | 144 /** The windows custom window manager information structure */ |
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145 typedef struct SDL_SysWMinfo { |
| 0 | 146 SDL_version version; |
| 4217 | 147 HWND window; /**< The Win32 display window */ |
| 148 HGLRC hglrc; /**< The OpenGL context, if any */ | |
| 0 | 149 } SDL_SysWMinfo; |
| 150 | |
| 1626 | 151 #elif defined(SDL_VIDEO_DRIVER_RISCOS) |
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152 |
| 4217 | 153 /** RISC OS custom event structure */ |
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154 struct SDL_SysWMmsg { |
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155 SDL_version version; |
| 4217 | 156 int eventCode; /**< The window for the message */ |
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157 int pollBlock[64]; |
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158 }; |
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159 |
| 4217 | 160 /** The RISC OS custom window manager information structure */ |
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161 typedef struct SDL_SysWMinfo { |
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162 SDL_version version; |
| 4217 | 163 int wimpVersion; /**< Wimp version running under */ |
| 164 int taskHandle; /**< The RISC OS task handle */ | |
| 165 int window; /**< The RISC OS display window */ | |
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166 } SDL_SysWMinfo; |
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167 |
| 1626 | 168 #elif defined(SDL_VIDEO_DRIVER_PHOTON) |
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169 #include <sys/neutrino.h> |
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170 #include <Ph.h> |
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171 |
| 4217 | 172 /** The QNX custom event structure */ |
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173 struct SDL_SysWMmsg { |
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174 SDL_version version; |
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175 int data; |
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176 }; |
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177 |
| 4217 | 178 /** The QNX custom window manager information structure */ |
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179 typedef struct SDL_SysWMinfo { |
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180 SDL_version version; |
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181 int data; |
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182 } SDL_SysWMinfo; |
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183 |
| 0 | 184 #else |
| 185 | |
| 4217 | 186 /** The generic custom event structure */ |
| 0 | 187 struct SDL_SysWMmsg { |
| 188 SDL_version version; | |
| 189 int data; | |
| 190 }; | |
| 191 | |
| 4217 | 192 /** The generic custom window manager information structure */ |
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193 typedef struct SDL_SysWMinfo { |
| 0 | 194 SDL_version version; |
| 195 int data; | |
| 196 } SDL_SysWMinfo; | |
| 197 | |
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198 #endif /* video driver type */ |
| 0 | 199 |
| 200 #endif /* SDL_PROTOTYPES_ONLY */ | |
| 201 | |
| 202 /* Function prototypes */ | |
| 4217 | 203 /** |
| 0 | 204 * This function gives you custom hooks into the window manager information. |
| 205 * It fills the structure pointed to by 'info' with custom information and | |
| 206 * returns 1 if the function is implemented. If it's not implemented, or | |
| 207 * the version member of the 'info' structure is invalid, it returns 0. | |
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208 * |
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209 * You typically use this function like this: |
| 4217 | 210 * @code |
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211 * SDL_SysWMInfo info; |
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212 * SDL_VERSION(&info.version); |
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213 * if ( SDL_GetWMInfo(&info) ) { ... } |
| 4217 | 214 * @endcode |
| 0 | 215 */ |
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216 extern DECLSPEC int SDLCALL SDL_GetWMInfo(SDL_SysWMinfo *info); |
| 0 | 217 |
| 218 | |
| 219 /* Ends C function definitions when using C++ */ | |
| 220 #ifdef __cplusplus | |
| 221 } | |
| 222 #endif | |
| 223 #include "close_code.h" | |
| 224 | |
| 225 #endif /* _SDL_syswm_h */ |