Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_sysevents.c @ 332:3d6dd1b7b7ba
Mouse wheel fix patch.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 08 Apr 2002 17:50:30 +0000 |
| parents | 13fc64213765 |
| children | f2ba51f64d49 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <stdio.h> | |
| 30 #include <windows.h> | |
| 31 | |
| 32 #include "SDL_getenv.h" | |
| 33 #include "SDL_events.h" | |
| 34 #include "SDL_video.h" | |
| 35 #include "SDL_error.h" | |
| 36 #include "SDL_syswm.h" | |
| 37 #include "SDL_sysevents.h" | |
| 38 #include "SDL_events_c.h" | |
| 39 #include "SDL_sysvideo.h" | |
| 40 #include "SDL_lowvideo.h" | |
| 41 #include "SDL_syswm_c.h" | |
| 42 #include "SDL_main.h" | |
| 43 | |
| 44 #ifdef WMMSG_DEBUG | |
| 45 #include "wmmsg.h" | |
| 46 #endif | |
| 47 | |
| 48 #ifdef _WIN32_WCE | |
| 49 #define NO_GETKEYBOARDSTATE | |
| 50 #endif | |
| 51 | |
| 52 /* The window we use for everything... */ | |
| 53 const char *SDL_Appname = NULL; | |
| 54 HINSTANCE SDL_Instance = NULL; | |
| 55 HWND SDL_Window = NULL; | |
| 56 RECT SDL_bounds = {0, 0, 0, 0}; | |
| 57 int SDL_resizing = 0; | |
| 58 int mouse_relative = 0; | |
| 59 int posted = 0; | |
|
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60 #ifndef NO_CHANGEDISPLAYSETTINGS |
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61 DEVMODE SDL_fullscreen_mode; |
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62 #endif |
| 0 | 63 |
| 64 | |
| 65 /* Functions called by the message processing function */ | |
| 66 LONG | |
| 67 (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL; | |
| 68 void (*WIN_RealizePalette)(_THIS); | |
| 69 void (*WIN_PaletteChanged)(_THIS, HWND window); | |
| 70 void (*WIN_SwapGamma)(_THIS); | |
| 71 void (*WIN_WinPAINT)(_THIS, HDC hdc); | |
| 72 | |
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73 static void SDL_RestoreGameMode(void) |
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74 { |
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75 #ifndef NO_CHANGEDISPLAYSETTINGS |
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76 ShowWindow(SDL_Window, SW_RESTORE); |
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77 ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN); |
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78 #endif |
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79 } |
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80 static void SDL_RestoreDesktopMode(void) |
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81 { |
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82 #ifndef NO_CHANGEDISPLAYSETTINGS |
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83 ShowWindow(SDL_Window, SW_MINIMIZE); |
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84 ChangeDisplaySettings(NULL, 0); |
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85 #endif |
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86 } |
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87 |
| 0 | 88 #ifdef WM_MOUSELEAVE |
| 89 /* | |
| 90 Special code to handle mouse leave events - this sucks... | |
| 91 http://support.microsoft.com/support/kb/articles/q183/1/07.asp | |
| 92 | |
| 93 TrackMouseEvent() is only available on Win98 and WinNT. | |
| 94 _TrackMouseEvent() is available on Win95, but isn't yet in the mingw32 | |
| 95 development environment, and only works on systems that have had IE 3.0 | |
| 96 or newer installed on them (which is not the case with the base Win95). | |
| 97 Therefore, we implement our own version of _TrackMouseEvent() which | |
| 98 uses our own implementation if TrackMouseEvent() is not available. | |
| 99 */ | |
| 100 static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL; | |
| 101 | |
| 102 static VOID CALLBACK | |
| 103 TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime) | |
| 104 { | |
| 105 RECT rect; | |
| 106 POINT pt; | |
| 107 | |
| 108 GetClientRect(hWnd, &rect); | |
| 109 MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2); | |
| 110 GetCursorPos(&pt); | |
| 111 if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) { | |
| 112 if ( !KillTimer(hWnd, idEvent) ) { | |
| 113 /* Error killing the timer! */ | |
| 114 } | |
| 115 PostMessage(hWnd, WM_MOUSELEAVE, 0, 0); | |
| 116 } | |
| 117 } | |
| 118 static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme) | |
| 119 { | |
| 120 if ( ptme->dwFlags == TME_LEAVE ) { | |
| 121 return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100, | |
| 122 (TIMERPROC)TrackMouseTimerProc); | |
| 123 } | |
| 124 return FALSE; | |
| 125 } | |
| 126 #endif /* WM_MOUSELEAVE */ | |
| 127 | |
| 128 /* Function to retrieve the current keyboard modifiers */ | |
| 129 static void WIN_GetKeyboardState(void) | |
| 130 { | |
| 131 #ifndef NO_GETKEYBOARDSTATE | |
| 132 SDLMod state; | |
| 133 BYTE keyboard[256]; | |
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134 Uint8 *kstate = SDL_GetKeyState(NULL); |
| 0 | 135 |
| 136 state = KMOD_NONE; | |
| 137 if ( GetKeyboardState(keyboard) ) { | |
| 138 if ( keyboard[VK_LSHIFT] & 0x80) { | |
| 139 state |= KMOD_LSHIFT; | |
| 140 } | |
| 141 if ( keyboard[VK_RSHIFT] & 0x80) { | |
| 142 state |= KMOD_RSHIFT; | |
| 143 } | |
| 144 if ( keyboard[VK_LCONTROL] & 0x80) { | |
| 145 state |= KMOD_LCTRL; | |
| 146 } | |
| 147 if ( keyboard[VK_RCONTROL] & 0x80) { | |
| 148 state |= KMOD_RCTRL; | |
| 149 } | |
| 150 if ( keyboard[VK_LMENU] & 0x80) { | |
| 151 state |= KMOD_LALT; | |
| 152 } | |
| 153 if ( keyboard[VK_RMENU] & 0x80) { | |
| 154 state |= KMOD_RALT; | |
| 155 } | |
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156 if ( keyboard[VK_NUMLOCK] & 0x01) { |
| 0 | 157 state |= KMOD_NUM; |
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158 kstate[SDLK_NUMLOCK] = SDL_PRESSED; |
| 0 | 159 } |
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160 if ( keyboard[VK_CAPITAL] & 0x01) { |
| 0 | 161 state |= KMOD_CAPS; |
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162 kstate[SDLK_CAPSLOCK] = SDL_PRESSED; |
| 0 | 163 } |
| 164 } | |
| 165 SDL_SetModState(state); | |
| 166 #endif /* !NO_GETKEYBOARDSTATE */ | |
| 167 } | |
| 168 | |
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169 /* The main Win32 event handler |
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170 DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it |
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171 */ |
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172 LONG CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| 0 | 173 { |
| 174 SDL_VideoDevice *this = current_video; | |
| 175 static int mouse_pressed = 0; | |
| 176 static int in_window = 0; | |
| 177 #ifdef WMMSG_DEBUG | |
| 178 fprintf(stderr, "Received windows message: "); | |
| 179 if ( msg > MAX_WMMSG ) { | |
| 180 fprintf(stderr, "%d", msg); | |
| 181 } else { | |
| 182 fprintf(stderr, "%s", wmtab[msg]); | |
| 183 } | |
| 184 fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam); | |
| 185 #endif | |
| 186 switch (msg) { | |
| 187 | |
| 188 case WM_ACTIVATE: { | |
| 189 SDL_VideoDevice *this = current_video; | |
| 190 BOOL minimized; | |
| 191 Uint8 appstate; | |
| 192 | |
| 193 minimized = HIWORD(wParam); | |
| 194 if ( !minimized && (LOWORD(wParam) != WA_INACTIVE) ) { | |
| 195 /* Gain the following states */ | |
| 196 appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS; | |
| 197 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 198 WIN_GrabInput(this, SDL_GRAB_ON); | |
| 199 } | |
| 200 if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) { | |
| 201 WIN_SwapGamma(this); | |
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202 if ( WINDIB_FULLSCREEN() ) { |
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203 SDL_RestoreGameMode(); |
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204 } |
| 0 | 205 } |
| 206 posted = SDL_PrivateAppActive(1, appstate); | |
| 207 WIN_GetKeyboardState(); | |
| 208 } else { | |
| 209 /* Lose the following states */ | |
| 210 appstate = SDL_APPINPUTFOCUS; | |
| 211 if ( minimized ) { | |
| 212 appstate |= SDL_APPACTIVE; | |
| 213 } | |
| 214 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 215 WIN_GrabInput(this, SDL_GRAB_OFF); | |
| 216 } | |
| 217 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
| 218 WIN_SwapGamma(this); | |
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219 if ( WINDIB_FULLSCREEN() ) { |
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220 SDL_RestoreDesktopMode(); |
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221 } |
| 0 | 222 } |
| 223 posted = SDL_PrivateAppActive(0, appstate); | |
| 224 } | |
| 225 return(0); | |
| 226 } | |
| 227 break; | |
| 228 | |
| 229 case WM_MOUSEMOVE: { | |
| 230 | |
| 231 /* Mouse is handled by DirectInput when fullscreen */ | |
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232 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 233 Sint16 x, y; |
| 234 | |
| 235 /* mouse has entered the window */ | |
| 236 if ( ! in_window ) { | |
| 237 #ifdef WM_MOUSELEAVE | |
| 238 TRACKMOUSEEVENT tme; | |
| 239 | |
| 240 tme.cbSize = sizeof(tme); | |
| 241 tme.dwFlags = TME_LEAVE; | |
| 242 tme.hwndTrack = SDL_Window; | |
| 243 _TrackMouseEvent(&tme); | |
| 244 #endif /* WM_MOUSELEAVE */ | |
| 245 in_window = TRUE; | |
| 246 | |
| 247 posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 248 } | |
| 249 | |
| 250 /* mouse has moved within the window */ | |
| 251 x = LOWORD(lParam); | |
| 252 y = HIWORD(lParam); | |
| 253 if ( mouse_relative ) { | |
| 254 POINT center; | |
| 255 center.x = (SDL_VideoSurface->w/2); | |
| 256 center.y = (SDL_VideoSurface->h/2); | |
| 257 x -= (Sint16)center.x; | |
| 258 y -= (Sint16)center.y; | |
| 259 if ( x || y ) { | |
| 260 ClientToScreen(SDL_Window, ¢er); | |
| 261 SetCursorPos(center.x, center.y); | |
| 262 posted = SDL_PrivateMouseMotion(0, 1, x, y); | |
| 263 } | |
| 264 } else { | |
| 265 posted = SDL_PrivateMouseMotion(0, 0, x, y); | |
| 266 } | |
| 267 } | |
| 268 } | |
| 269 return(0); | |
| 270 | |
| 271 #ifdef WM_MOUSELEAVE | |
| 272 case WM_MOUSELEAVE: { | |
| 273 | |
| 274 /* Mouse is handled by DirectInput when fullscreen */ | |
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275 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 276 /* mouse has left the window */ |
| 277 /* or */ | |
| 278 /* Elvis has left the building! */ | |
| 279 in_window = FALSE; | |
| 280 posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 281 } | |
| 282 } | |
| 283 return(0); | |
| 284 #endif /* WM_MOUSELEAVE */ | |
| 285 | |
| 286 case WM_LBUTTONDOWN: | |
| 287 case WM_LBUTTONUP: | |
| 288 case WM_MBUTTONDOWN: | |
| 289 case WM_MBUTTONUP: | |
| 290 case WM_RBUTTONDOWN: | |
| 291 case WM_RBUTTONUP: { | |
| 292 /* Mouse is handled by DirectInput when fullscreen */ | |
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293 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 294 Sint16 x, y; |
| 295 Uint8 button, state; | |
| 296 | |
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297 /* DJM: |
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298 We want the SDL window to take focus so that |
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299 it acts like a normal windows "component" |
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300 (e.g. gains keyboard focus on a mouse click). |
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301 */ |
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302 SetFocus(SDL_Window); |
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303 |
| 0 | 304 /* Figure out which button to use */ |
| 305 switch (msg) { | |
| 306 case WM_LBUTTONDOWN: | |
| 307 button = 1; | |
| 308 state = SDL_PRESSED; | |
| 309 break; | |
| 310 case WM_LBUTTONUP: | |
| 311 button = 1; | |
| 312 state = SDL_RELEASED; | |
| 313 break; | |
| 314 case WM_MBUTTONDOWN: | |
| 315 button = 2; | |
| 316 state = SDL_PRESSED; | |
| 317 break; | |
| 318 case WM_MBUTTONUP: | |
| 319 button = 2; | |
| 320 state = SDL_RELEASED; | |
| 321 break; | |
| 322 case WM_RBUTTONDOWN: | |
| 323 button = 3; | |
| 324 state = SDL_PRESSED; | |
| 325 break; | |
| 326 case WM_RBUTTONUP: | |
| 327 button = 3; | |
| 328 state = SDL_RELEASED; | |
| 329 break; | |
| 330 default: | |
| 331 /* Eh? Unknown button? */ | |
| 332 return(0); | |
| 333 } | |
| 334 if ( state == SDL_PRESSED ) { | |
| 335 /* Grab mouse so we get up events */ | |
| 336 if ( ++mouse_pressed > 0 ) { | |
| 337 SetCapture(hwnd); | |
| 338 } | |
| 339 } else { | |
| 340 /* Release mouse after all up events */ | |
| 341 if ( --mouse_pressed <= 0 ) { | |
| 342 ReleaseCapture(); | |
| 343 mouse_pressed = 0; | |
| 344 } | |
| 345 } | |
| 346 if ( mouse_relative ) { | |
| 347 /* RJR: March 28, 2000 | |
| 348 report internal mouse position if in relative mode */ | |
| 349 x = 0; y = 0; | |
| 350 } else { | |
| 351 x = (Sint16)LOWORD(lParam); | |
| 352 y = (Sint16)HIWORD(lParam); | |
| 353 } | |
| 354 posted = SDL_PrivateMouseButton( | |
| 355 state, button, x, y); | |
| 356 } | |
| 357 } | |
| 358 return(0); | |
| 359 | |
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360 |
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361 #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) |
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362 case WM_MOUSEWHEEL: |
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363 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
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364 int move = (short)HIWORD(wParam); |
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365 if ( move ) { |
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366 Uint8 button; |
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367 if ( move > 0 ) |
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368 button = 4; |
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369 else |
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370 button = 5; |
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371 posted = SDL_PrivateMouseButton( |
|
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372 SDL_PRESSED, button, 0, 0); |
| 332 | 373 posted |= SDL_PrivateMouseButton( |
| 374 SDL_RELEASED, button, 0, 0); | |
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375 } |
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376 } |
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377 return(0); |
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378 #endif |
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379 |
| 0 | 380 #ifdef WM_GETMINMAXINFO |
| 381 /* This message is sent as a way for us to "check" the values | |
| 382 * of a position change. If we don't like it, we can adjust | |
| 383 * the values before they are changed. | |
| 384 */ | |
| 385 case WM_GETMINMAXINFO: { | |
| 386 MINMAXINFO *info; | |
| 387 RECT size; | |
| 388 int x, y; | |
| 389 int width; | |
| 390 int height; | |
| 391 | |
| 392 /* We don't want to clobber an internal resize */ | |
| 393 if ( SDL_resizing ) | |
| 394 return(0); | |
| 395 | |
| 396 /* We allow resizing with the SDL_RESIZABLE flag */ | |
| 397 if ( SDL_PublicSurface && | |
| 398 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { | |
| 399 return(0); | |
| 400 } | |
| 401 | |
| 402 /* Get the current position of our window */ | |
| 403 GetWindowRect(SDL_Window, &size); | |
| 404 x = size.left; | |
| 405 y = size.top; | |
| 406 | |
| 407 /* Calculate current width and height of our window */ | |
| 408 size.top = 0; | |
| 409 size.left = 0; | |
| 410 if ( SDL_PublicSurface != NULL ) { | |
| 411 size.bottom = SDL_PublicSurface->h; | |
| 412 size.right = SDL_PublicSurface->w; | |
| 413 } else { | |
| 414 size.bottom = 0; | |
| 415 size.right = 0; | |
| 416 } | |
| 417 AdjustWindowRect(&size, GetWindowLong(hwnd, GWL_STYLE), | |
| 418 FALSE); | |
| 419 width = size.right - size.left; | |
| 420 height = size.bottom - size.top; | |
| 421 | |
| 422 /* Fix our size to the current size */ | |
| 423 info = (MINMAXINFO *)lParam; | |
| 424 info->ptMaxSize.x = width; | |
| 425 info->ptMaxSize.y = height; | |
| 426 info->ptMaxPosition.x = x; | |
| 427 info->ptMaxPosition.y = y; | |
| 428 info->ptMinTrackSize.x = width; | |
| 429 info->ptMinTrackSize.y = height; | |
| 430 info->ptMaxTrackSize.x = width; | |
| 431 info->ptMaxTrackSize.y = height; | |
| 432 } | |
| 433 return(0); | |
| 434 #endif /* WM_GETMINMAXINFO */ | |
| 435 | |
| 436 case WM_MOVE: { | |
| 437 SDL_VideoDevice *this = current_video; | |
| 438 | |
| 439 GetClientRect(SDL_Window, &SDL_bounds); | |
| 440 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds); | |
| 441 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1); | |
| 442 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 443 ClipCursor(&SDL_bounds); | |
| 444 } | |
| 445 } | |
| 446 break; | |
| 447 | |
| 448 case WM_SIZE: { | |
| 449 if ( SDL_PublicSurface && | |
| 450 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { | |
| 451 SDL_PrivateResize(LOWORD(lParam), HIWORD(lParam)); | |
| 452 } | |
| 453 return(0); | |
| 454 } | |
| 455 break; | |
| 456 | |
| 457 /* We need to set the cursor */ | |
| 458 case WM_SETCURSOR: { | |
| 459 Uint16 hittest; | |
| 460 | |
| 461 hittest = LOWORD(lParam); | |
| 462 if ( hittest == HTCLIENT ) { | |
| 463 SetCursor(SDL_hcursor); | |
| 464 return(TRUE); | |
| 465 } | |
| 466 } | |
| 467 break; | |
| 468 | |
| 469 /* We are about to get palette focus! */ | |
| 470 case WM_QUERYNEWPALETTE: { | |
| 471 WIN_RealizePalette(current_video); | |
| 472 return(TRUE); | |
| 473 } | |
| 474 break; | |
| 475 | |
| 476 /* Another application changed the palette */ | |
| 477 case WM_PALETTECHANGED: { | |
| 478 WIN_PaletteChanged(current_video, (HWND)wParam); | |
| 479 } | |
| 480 break; | |
| 481 | |
| 482 /* We were occluded, refresh our display */ | |
| 483 case WM_PAINT: { | |
| 484 HDC hdc; | |
| 485 PAINTSTRUCT ps; | |
| 486 | |
| 487 hdc = BeginPaint(SDL_Window, &ps); | |
| 488 if ( current_video->screen && | |
| 489 !(current_video->screen->flags & SDL_OPENGL) ) { | |
| 490 WIN_WinPAINT(current_video, hdc); | |
| 491 } | |
| 492 EndPaint(SDL_Window, &ps); | |
| 493 } | |
| 494 return(0); | |
| 495 | |
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496 /* DJM: Send an expose event in this case */ |
| 0 | 497 case WM_ERASEBKGND: { |
|
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498 posted = SDL_PrivateExpose(); |
| 0 | 499 } |
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500 return(0); |
| 0 | 501 |
| 502 case WM_CLOSE: { | |
| 503 if ( (posted = SDL_PrivateQuit()) ) | |
| 504 PostQuitMessage(0); | |
| 505 } | |
| 506 return(0); | |
| 507 | |
| 508 case WM_DESTROY: { | |
| 509 PostQuitMessage(0); | |
| 510 } | |
| 511 return(0); | |
| 512 | |
| 513 default: { | |
| 514 /* Special handling by the video driver */ | |
| 515 if (HandleMessage) { | |
| 516 return(HandleMessage(current_video, | |
| 517 hwnd, msg, wParam, lParam)); | |
| 518 } | |
| 519 } | |
| 520 break; | |
| 521 } | |
| 522 return(DefWindowProc(hwnd, msg, wParam, lParam)); | |
| 523 } | |
| 524 | |
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525 /* Allow the application handle to be stored and retrieved later */ |
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526 static void *SDL_handle = NULL; |
|
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527 |
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528 void SDL_SetModuleHandle(void *handle) |
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529 { |
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530 SDL_handle = handle; |
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531 } |
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532 void *SDL_GetModuleHandle(void) |
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533 { |
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534 void *handle; |
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535 |
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536 if ( SDL_handle ) { |
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537 handle = SDL_handle; |
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538 } else { |
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539 /* Warning: |
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540 If SDL is built as a DLL, this will return a handle to |
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541 the DLL, not the application, and DirectInput may fail |
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542 to initialize. |
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543 */ |
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544 handle = GetModuleHandle(NULL); |
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545 } |
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546 return(handle); |
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547 } |
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548 |
| 0 | 549 /* This allows the SDL_WINDOWID hack */ |
| 550 const char *SDL_windowid = NULL; | |
| 551 | |
| 552 /* Register the class for this application -- exported for winmain.c */ | |
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553 int SDL_RegisterApp(char *name, Uint32 style, void *hInst) |
| 0 | 554 { |
| 555 static int initialized = 0; | |
| 556 WNDCLASS class; | |
| 557 #ifdef WM_MOUSELEAVE | |
| 558 HMODULE handle; | |
| 559 #endif | |
| 560 | |
| 561 /* Only do this once... */ | |
| 562 if ( initialized ) { | |
| 563 return(0); | |
| 564 } | |
| 565 | |
| 566 /* This function needs to be passed the correct process handle | |
|
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567 by the application. |
| 0 | 568 */ |
| 569 if ( ! hInst ) { | |
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570 hInst = SDL_GetModuleHandle(); |
| 0 | 571 } |
| 572 | |
| 573 /* Register the application class */ | |
| 574 class.hCursor = NULL; | |
| 575 #ifdef _WIN32_WCE | |
| 576 { | |
| 577 /* WinCE uses the UNICODE version */ | |
|
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578 int nLen = strlen(name)+1; |
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579 LPWSTR lpszW = alloca(nLen*2); |
| 0 | 580 MultiByteToWideChar(CP_ACP, 0, name, -1, lpszW, nLen); |
| 581 class.hIcon = LoadImage(hInst, lpszW, IMAGE_ICON, | |
| 582 0, 0, LR_DEFAULTCOLOR); | |
|
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583 class.lpszMenuName = NULL; |
| 0 | 584 class.lpszClassName = lpszW; |
| 585 } | |
| 586 #else | |
| 587 class.hIcon = LoadImage(hInst, name, IMAGE_ICON, | |
| 588 0, 0, LR_DEFAULTCOLOR); | |
| 589 class.lpszMenuName = "(none)"; | |
| 590 class.lpszClassName = name; | |
| 591 #endif /* _WIN32_WCE */ | |
| 592 class.hbrBackground = NULL; | |
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593 class.hInstance = hInst; |
| 0 | 594 class.style = style; |
| 595 #ifdef HAVE_OPENGL | |
| 596 class.style |= CS_OWNDC; | |
| 597 #endif | |
| 598 class.lpfnWndProc = WinMessage; | |
| 599 class.cbWndExtra = 0; | |
| 600 class.cbClsExtra = 0; | |
| 601 if ( ! RegisterClass(&class) ) { | |
| 602 SDL_SetError("Couldn't register application class"); | |
| 603 return(-1); | |
| 604 } | |
| 605 SDL_Appname = name; | |
| 606 SDL_Instance = hInst; | |
| 607 | |
| 608 #ifdef WM_MOUSELEAVE | |
| 609 /* Get the version of TrackMouseEvent() we use */ | |
| 610 _TrackMouseEvent = NULL; | |
| 611 handle = GetModuleHandle("USER32.DLL"); | |
| 612 if ( handle ) { | |
| 613 _TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent"); | |
| 614 } | |
| 615 if ( _TrackMouseEvent == NULL ) { | |
| 616 _TrackMouseEvent = WIN_TrackMouseEvent; | |
| 617 } | |
| 618 #endif /* WM_MOUSELEAVE */ | |
| 619 | |
| 620 /* Check for SDL_WINDOWID hack */ | |
| 621 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 622 | |
| 623 initialized = 1; | |
| 624 return(0); | |
| 625 } | |
| 626 |