Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_sysevents.c @ 410:365f57b7c4ac
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 13 Jun 2002 12:00:34 +0000 |
| parents | 518ffd98a8f6 |
| children | 16d0449891b8 |
| 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 |
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63 WORD *gamma_saved = NULL; |
| 0 | 64 |
| 65 | |
| 66 /* Functions called by the message processing function */ | |
| 67 LONG | |
| 68 (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL; | |
| 69 void (*WIN_RealizePalette)(_THIS); | |
| 70 void (*WIN_PaletteChanged)(_THIS, HWND window); | |
| 71 void (*WIN_WinPAINT)(_THIS, HDC hdc); | |
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72 extern void DIB_SwapGamma(_THIS); |
| 0 | 73 |
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74 static void SDL_RestoreGameMode(void) |
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75 { |
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76 #ifndef NO_CHANGEDISPLAYSETTINGS |
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77 ShowWindow(SDL_Window, SW_RESTORE); |
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78 ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN); |
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79 #endif |
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80 } |
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81 static void SDL_RestoreDesktopMode(void) |
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82 { |
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83 #ifndef NO_CHANGEDISPLAYSETTINGS |
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84 ShowWindow(SDL_Window, SW_MINIMIZE); |
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85 ChangeDisplaySettings(NULL, 0); |
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86 #endif |
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87 } |
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88 |
| 0 | 89 #ifdef WM_MOUSELEAVE |
| 90 /* | |
| 91 Special code to handle mouse leave events - this sucks... | |
| 92 http://support.microsoft.com/support/kb/articles/q183/1/07.asp | |
| 93 | |
| 94 TrackMouseEvent() is only available on Win98 and WinNT. | |
| 95 _TrackMouseEvent() is available on Win95, but isn't yet in the mingw32 | |
| 96 development environment, and only works on systems that have had IE 3.0 | |
| 97 or newer installed on them (which is not the case with the base Win95). | |
| 98 Therefore, we implement our own version of _TrackMouseEvent() which | |
| 99 uses our own implementation if TrackMouseEvent() is not available. | |
| 100 */ | |
| 101 static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL; | |
| 102 | |
| 103 static VOID CALLBACK | |
| 104 TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime) | |
| 105 { | |
| 106 RECT rect; | |
| 107 POINT pt; | |
| 108 | |
| 109 GetClientRect(hWnd, &rect); | |
| 110 MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2); | |
| 111 GetCursorPos(&pt); | |
| 112 if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) { | |
| 113 if ( !KillTimer(hWnd, idEvent) ) { | |
| 114 /* Error killing the timer! */ | |
| 115 } | |
| 116 PostMessage(hWnd, WM_MOUSELEAVE, 0, 0); | |
| 117 } | |
| 118 } | |
| 119 static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme) | |
| 120 { | |
| 121 if ( ptme->dwFlags == TME_LEAVE ) { | |
| 122 return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100, | |
| 123 (TIMERPROC)TrackMouseTimerProc); | |
| 124 } | |
| 125 return FALSE; | |
| 126 } | |
| 127 #endif /* WM_MOUSELEAVE */ | |
| 128 | |
| 129 /* Function to retrieve the current keyboard modifiers */ | |
| 130 static void WIN_GetKeyboardState(void) | |
| 131 { | |
| 132 #ifndef NO_GETKEYBOARDSTATE | |
| 133 SDLMod state; | |
| 134 BYTE keyboard[256]; | |
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135 Uint8 *kstate = SDL_GetKeyState(NULL); |
| 0 | 136 |
| 137 state = KMOD_NONE; | |
| 138 if ( GetKeyboardState(keyboard) ) { | |
| 139 if ( keyboard[VK_LSHIFT] & 0x80) { | |
| 140 state |= KMOD_LSHIFT; | |
| 141 } | |
| 142 if ( keyboard[VK_RSHIFT] & 0x80) { | |
| 143 state |= KMOD_RSHIFT; | |
| 144 } | |
| 145 if ( keyboard[VK_LCONTROL] & 0x80) { | |
| 146 state |= KMOD_LCTRL; | |
| 147 } | |
| 148 if ( keyboard[VK_RCONTROL] & 0x80) { | |
| 149 state |= KMOD_RCTRL; | |
| 150 } | |
| 151 if ( keyboard[VK_LMENU] & 0x80) { | |
| 152 state |= KMOD_LALT; | |
| 153 } | |
| 154 if ( keyboard[VK_RMENU] & 0x80) { | |
| 155 state |= KMOD_RALT; | |
| 156 } | |
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157 if ( keyboard[VK_NUMLOCK] & 0x01) { |
| 0 | 158 state |= KMOD_NUM; |
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159 kstate[SDLK_NUMLOCK] = SDL_PRESSED; |
| 0 | 160 } |
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161 if ( keyboard[VK_CAPITAL] & 0x01) { |
| 0 | 162 state |= KMOD_CAPS; |
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163 kstate[SDLK_CAPSLOCK] = SDL_PRESSED; |
| 0 | 164 } |
| 165 } | |
| 166 SDL_SetModState(state); | |
| 167 #endif /* !NO_GETKEYBOARDSTATE */ | |
| 168 } | |
| 169 | |
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170 /* The main Win32 event handler |
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171 DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it |
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172 */ |
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173 LONG CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| 0 | 174 { |
| 175 SDL_VideoDevice *this = current_video; | |
| 176 static int mouse_pressed = 0; | |
| 177 static int in_window = 0; | |
| 178 #ifdef WMMSG_DEBUG | |
| 179 fprintf(stderr, "Received windows message: "); | |
| 180 if ( msg > MAX_WMMSG ) { | |
| 181 fprintf(stderr, "%d", msg); | |
| 182 } else { | |
| 183 fprintf(stderr, "%s", wmtab[msg]); | |
| 184 } | |
| 185 fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam); | |
| 186 #endif | |
| 187 switch (msg) { | |
| 188 | |
| 189 case WM_ACTIVATE: { | |
| 190 SDL_VideoDevice *this = current_video; | |
| 191 BOOL minimized; | |
| 192 Uint8 appstate; | |
| 193 | |
| 194 minimized = HIWORD(wParam); | |
| 195 if ( !minimized && (LOWORD(wParam) != WA_INACTIVE) ) { | |
| 196 /* Gain the following states */ | |
| 197 appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS; | |
| 198 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 199 WIN_GrabInput(this, SDL_GRAB_ON); | |
| 200 } | |
| 201 if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) { | |
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202 if ( ! DDRAW_FULLSCREEN() ) { |
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203 DIB_SwapGamma(this); |
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204 } |
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205 if ( WINDIB_FULLSCREEN() ) { |
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206 SDL_RestoreGameMode(); |
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207 } |
| 0 | 208 } |
| 209 posted = SDL_PrivateAppActive(1, appstate); | |
| 210 WIN_GetKeyboardState(); | |
| 211 } else { | |
| 212 /* Lose the following states */ | |
| 213 appstate = SDL_APPINPUTFOCUS; | |
| 214 if ( minimized ) { | |
| 215 appstate |= SDL_APPACTIVE; | |
| 216 } | |
| 217 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 218 WIN_GrabInput(this, SDL_GRAB_OFF); | |
| 219 } | |
| 220 if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { | |
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221 if ( ! DDRAW_FULLSCREEN() ) { |
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222 DIB_SwapGamma(this); |
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223 } |
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224 if ( WINDIB_FULLSCREEN() ) { |
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225 SDL_RestoreDesktopMode(); |
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226 } |
| 0 | 227 } |
| 228 posted = SDL_PrivateAppActive(0, appstate); | |
| 229 } | |
| 230 return(0); | |
| 231 } | |
| 232 break; | |
| 233 | |
| 234 case WM_MOUSEMOVE: { | |
| 235 | |
| 236 /* Mouse is handled by DirectInput when fullscreen */ | |
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237 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 238 Sint16 x, y; |
| 239 | |
| 240 /* mouse has entered the window */ | |
| 241 if ( ! in_window ) { | |
| 242 #ifdef WM_MOUSELEAVE | |
| 243 TRACKMOUSEEVENT tme; | |
| 244 | |
| 245 tme.cbSize = sizeof(tme); | |
| 246 tme.dwFlags = TME_LEAVE; | |
| 247 tme.hwndTrack = SDL_Window; | |
| 248 _TrackMouseEvent(&tme); | |
| 249 #endif /* WM_MOUSELEAVE */ | |
| 250 in_window = TRUE; | |
| 251 | |
| 252 posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 253 } | |
| 254 | |
| 255 /* mouse has moved within the window */ | |
| 256 x = LOWORD(lParam); | |
| 257 y = HIWORD(lParam); | |
| 258 if ( mouse_relative ) { | |
| 259 POINT center; | |
| 260 center.x = (SDL_VideoSurface->w/2); | |
| 261 center.y = (SDL_VideoSurface->h/2); | |
| 262 x -= (Sint16)center.x; | |
| 263 y -= (Sint16)center.y; | |
| 264 if ( x || y ) { | |
| 265 ClientToScreen(SDL_Window, ¢er); | |
| 266 SetCursorPos(center.x, center.y); | |
| 267 posted = SDL_PrivateMouseMotion(0, 1, x, y); | |
| 268 } | |
| 269 } else { | |
| 270 posted = SDL_PrivateMouseMotion(0, 0, x, y); | |
| 271 } | |
| 272 } | |
| 273 } | |
| 274 return(0); | |
| 275 | |
| 276 #ifdef WM_MOUSELEAVE | |
| 277 case WM_MOUSELEAVE: { | |
| 278 | |
| 279 /* Mouse is handled by DirectInput when fullscreen */ | |
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280 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 281 /* mouse has left the window */ |
| 282 /* or */ | |
| 283 /* Elvis has left the building! */ | |
| 284 in_window = FALSE; | |
| 285 posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 286 } | |
| 287 } | |
| 288 return(0); | |
| 289 #endif /* WM_MOUSELEAVE */ | |
| 290 | |
| 291 case WM_LBUTTONDOWN: | |
| 292 case WM_LBUTTONUP: | |
| 293 case WM_MBUTTONDOWN: | |
| 294 case WM_MBUTTONUP: | |
| 295 case WM_RBUTTONDOWN: | |
| 296 case WM_RBUTTONUP: { | |
| 297 /* Mouse is handled by DirectInput when fullscreen */ | |
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298 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
| 0 | 299 Sint16 x, y; |
| 300 Uint8 button, state; | |
| 301 | |
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302 /* DJM: |
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303 We want the SDL window to take focus so that |
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304 it acts like a normal windows "component" |
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305 (e.g. gains keyboard focus on a mouse click). |
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306 */ |
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307 SetFocus(SDL_Window); |
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308 |
| 0 | 309 /* Figure out which button to use */ |
| 310 switch (msg) { | |
| 311 case WM_LBUTTONDOWN: | |
| 312 button = 1; | |
| 313 state = SDL_PRESSED; | |
| 314 break; | |
| 315 case WM_LBUTTONUP: | |
| 316 button = 1; | |
| 317 state = SDL_RELEASED; | |
| 318 break; | |
| 319 case WM_MBUTTONDOWN: | |
| 320 button = 2; | |
| 321 state = SDL_PRESSED; | |
| 322 break; | |
| 323 case WM_MBUTTONUP: | |
| 324 button = 2; | |
| 325 state = SDL_RELEASED; | |
| 326 break; | |
| 327 case WM_RBUTTONDOWN: | |
| 328 button = 3; | |
| 329 state = SDL_PRESSED; | |
| 330 break; | |
| 331 case WM_RBUTTONUP: | |
| 332 button = 3; | |
| 333 state = SDL_RELEASED; | |
| 334 break; | |
| 335 default: | |
| 336 /* Eh? Unknown button? */ | |
| 337 return(0); | |
| 338 } | |
| 339 if ( state == SDL_PRESSED ) { | |
| 340 /* Grab mouse so we get up events */ | |
| 341 if ( ++mouse_pressed > 0 ) { | |
| 342 SetCapture(hwnd); | |
| 343 } | |
| 344 } else { | |
| 345 /* Release mouse after all up events */ | |
| 346 if ( --mouse_pressed <= 0 ) { | |
| 347 ReleaseCapture(); | |
| 348 mouse_pressed = 0; | |
| 349 } | |
| 350 } | |
| 351 if ( mouse_relative ) { | |
| 352 /* RJR: March 28, 2000 | |
| 353 report internal mouse position if in relative mode */ | |
| 354 x = 0; y = 0; | |
| 355 } else { | |
| 356 x = (Sint16)LOWORD(lParam); | |
| 357 y = (Sint16)HIWORD(lParam); | |
| 358 } | |
| 359 posted = SDL_PrivateMouseButton( | |
| 360 state, button, x, y); | |
| 361 } | |
| 362 } | |
| 363 return(0); | |
| 364 | |
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365 |
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366 #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) |
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367 case WM_MOUSEWHEEL: |
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368 if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) { |
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369 int move = (short)HIWORD(wParam); |
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370 if ( move ) { |
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371 Uint8 button; |
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372 if ( move > 0 ) |
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373 button = 4; |
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374 else |
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375 button = 5; |
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376 posted = SDL_PrivateMouseButton( |
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377 SDL_PRESSED, button, 0, 0); |
| 332 | 378 posted |= SDL_PrivateMouseButton( |
| 379 SDL_RELEASED, button, 0, 0); | |
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380 } |
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381 } |
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382 return(0); |
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383 #endif |
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384 |
| 0 | 385 #ifdef WM_GETMINMAXINFO |
| 386 /* This message is sent as a way for us to "check" the values | |
| 387 * of a position change. If we don't like it, we can adjust | |
| 388 * the values before they are changed. | |
| 389 */ | |
| 390 case WM_GETMINMAXINFO: { | |
| 391 MINMAXINFO *info; | |
| 392 RECT size; | |
| 393 int x, y; | |
| 394 int width; | |
| 395 int height; | |
| 396 | |
| 397 /* We don't want to clobber an internal resize */ | |
| 398 if ( SDL_resizing ) | |
| 399 return(0); | |
| 400 | |
| 401 /* We allow resizing with the SDL_RESIZABLE flag */ | |
| 402 if ( SDL_PublicSurface && | |
| 403 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { | |
| 404 return(0); | |
| 405 } | |
| 406 | |
| 407 /* Get the current position of our window */ | |
| 408 GetWindowRect(SDL_Window, &size); | |
| 409 x = size.left; | |
| 410 y = size.top; | |
| 411 | |
| 412 /* Calculate current width and height of our window */ | |
| 413 size.top = 0; | |
| 414 size.left = 0; | |
| 415 if ( SDL_PublicSurface != NULL ) { | |
| 416 size.bottom = SDL_PublicSurface->h; | |
| 417 size.right = SDL_PublicSurface->w; | |
| 418 } else { | |
| 419 size.bottom = 0; | |
| 420 size.right = 0; | |
| 421 } | |
| 422 AdjustWindowRect(&size, GetWindowLong(hwnd, GWL_STYLE), | |
| 423 FALSE); | |
| 424 width = size.right - size.left; | |
| 425 height = size.bottom - size.top; | |
| 426 | |
| 427 /* Fix our size to the current size */ | |
| 428 info = (MINMAXINFO *)lParam; | |
| 429 info->ptMaxSize.x = width; | |
| 430 info->ptMaxSize.y = height; | |
| 431 info->ptMaxPosition.x = x; | |
| 432 info->ptMaxPosition.y = y; | |
| 433 info->ptMinTrackSize.x = width; | |
| 434 info->ptMinTrackSize.y = height; | |
| 435 info->ptMaxTrackSize.x = width; | |
| 436 info->ptMaxTrackSize.y = height; | |
| 437 } | |
| 438 return(0); | |
| 439 #endif /* WM_GETMINMAXINFO */ | |
| 440 | |
| 441 case WM_MOVE: { | |
| 442 SDL_VideoDevice *this = current_video; | |
| 443 | |
| 444 GetClientRect(SDL_Window, &SDL_bounds); | |
| 445 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds); | |
| 446 ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1); | |
| 447 if ( this->input_grab != SDL_GRAB_OFF ) { | |
| 448 ClipCursor(&SDL_bounds); | |
| 449 } | |
| 450 } | |
| 451 break; | |
| 452 | |
| 453 case WM_SIZE: { | |
| 454 if ( SDL_PublicSurface && | |
| 455 (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { | |
| 456 SDL_PrivateResize(LOWORD(lParam), HIWORD(lParam)); | |
| 457 } | |
| 458 return(0); | |
| 459 } | |
| 460 break; | |
| 461 | |
| 462 /* We need to set the cursor */ | |
| 463 case WM_SETCURSOR: { | |
| 464 Uint16 hittest; | |
| 465 | |
| 466 hittest = LOWORD(lParam); | |
| 467 if ( hittest == HTCLIENT ) { | |
| 468 SetCursor(SDL_hcursor); | |
| 469 return(TRUE); | |
| 470 } | |
| 471 } | |
| 472 break; | |
| 473 | |
| 474 /* We are about to get palette focus! */ | |
| 475 case WM_QUERYNEWPALETTE: { | |
| 476 WIN_RealizePalette(current_video); | |
| 477 return(TRUE); | |
| 478 } | |
| 479 break; | |
| 480 | |
| 481 /* Another application changed the palette */ | |
| 482 case WM_PALETTECHANGED: { | |
| 483 WIN_PaletteChanged(current_video, (HWND)wParam); | |
| 484 } | |
| 485 break; | |
| 486 | |
| 487 /* We were occluded, refresh our display */ | |
| 488 case WM_PAINT: { | |
| 489 HDC hdc; | |
| 490 PAINTSTRUCT ps; | |
| 491 | |
| 492 hdc = BeginPaint(SDL_Window, &ps); | |
| 493 if ( current_video->screen && | |
| 494 !(current_video->screen->flags & SDL_OPENGL) ) { | |
| 495 WIN_WinPAINT(current_video, hdc); | |
| 496 } | |
| 497 EndPaint(SDL_Window, &ps); | |
| 498 } | |
| 499 return(0); | |
| 500 | |
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501 /* DJM: Send an expose event in this case */ |
| 0 | 502 case WM_ERASEBKGND: { |
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503 posted = SDL_PrivateExpose(); |
| 0 | 504 } |
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505 return(0); |
| 0 | 506 |
| 507 case WM_CLOSE: { | |
| 508 if ( (posted = SDL_PrivateQuit()) ) | |
| 509 PostQuitMessage(0); | |
| 510 } | |
| 511 return(0); | |
| 512 | |
| 513 case WM_DESTROY: { | |
| 514 PostQuitMessage(0); | |
| 515 } | |
| 516 return(0); | |
| 517 | |
| 518 default: { | |
| 519 /* Special handling by the video driver */ | |
| 520 if (HandleMessage) { | |
| 521 return(HandleMessage(current_video, | |
| 522 hwnd, msg, wParam, lParam)); | |
| 523 } | |
| 524 } | |
| 525 break; | |
| 526 } | |
| 527 return(DefWindowProc(hwnd, msg, wParam, lParam)); | |
| 528 } | |
| 529 | |
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530 /* Allow the application handle to be stored and retrieved later */ |
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531 static void *SDL_handle = NULL; |
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532 |
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533 void SDL_SetModuleHandle(void *handle) |
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534 { |
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535 SDL_handle = handle; |
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536 } |
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537 void *SDL_GetModuleHandle(void) |
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538 { |
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539 void *handle; |
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540 |
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541 if ( SDL_handle ) { |
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542 handle = SDL_handle; |
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543 } else { |
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544 /* Warning: |
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545 If SDL is built as a DLL, this will return a handle to |
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546 the DLL, not the application, and DirectInput may fail |
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547 to initialize. |
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548 */ |
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549 handle = GetModuleHandle(NULL); |
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550 } |
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551 return(handle); |
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552 } |
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553 |
| 0 | 554 /* This allows the SDL_WINDOWID hack */ |
| 555 const char *SDL_windowid = NULL; | |
| 556 | |
| 557 /* Register the class for this application -- exported for winmain.c */ | |
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558 int SDL_RegisterApp(char *name, Uint32 style, void *hInst) |
| 0 | 559 { |
| 560 static int initialized = 0; | |
| 561 WNDCLASS class; | |
| 562 #ifdef WM_MOUSELEAVE | |
| 563 HMODULE handle; | |
| 564 #endif | |
| 565 | |
| 566 /* Only do this once... */ | |
| 567 if ( initialized ) { | |
| 568 return(0); | |
| 569 } | |
| 570 | |
| 571 /* This function needs to be passed the correct process handle | |
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572 by the application. |
| 0 | 573 */ |
| 574 if ( ! hInst ) { | |
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575 hInst = SDL_GetModuleHandle(); |
| 0 | 576 } |
| 577 | |
| 578 /* Register the application class */ | |
| 579 class.hCursor = NULL; | |
| 580 #ifdef _WIN32_WCE | |
| 581 { | |
| 582 /* WinCE uses the UNICODE version */ | |
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583 int nLen = strlen(name)+1; |
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584 LPWSTR lpszW = alloca(nLen*2); |
| 0 | 585 MultiByteToWideChar(CP_ACP, 0, name, -1, lpszW, nLen); |
| 586 class.hIcon = LoadImage(hInst, lpszW, IMAGE_ICON, | |
| 587 0, 0, LR_DEFAULTCOLOR); | |
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588 class.lpszMenuName = NULL; |
| 0 | 589 class.lpszClassName = lpszW; |
| 590 } | |
| 591 #else | |
| 592 class.hIcon = LoadImage(hInst, name, IMAGE_ICON, | |
| 593 0, 0, LR_DEFAULTCOLOR); | |
| 594 class.lpszMenuName = "(none)"; | |
| 595 class.lpszClassName = name; | |
| 596 #endif /* _WIN32_WCE */ | |
| 597 class.hbrBackground = NULL; | |
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598 class.hInstance = hInst; |
| 0 | 599 class.style = style; |
| 600 #ifdef HAVE_OPENGL | |
| 601 class.style |= CS_OWNDC; | |
| 602 #endif | |
| 603 class.lpfnWndProc = WinMessage; | |
| 604 class.cbWndExtra = 0; | |
| 605 class.cbClsExtra = 0; | |
| 606 if ( ! RegisterClass(&class) ) { | |
| 607 SDL_SetError("Couldn't register application class"); | |
| 608 return(-1); | |
| 609 } | |
| 610 SDL_Appname = name; | |
| 611 SDL_Instance = hInst; | |
| 612 | |
| 613 #ifdef WM_MOUSELEAVE | |
| 614 /* Get the version of TrackMouseEvent() we use */ | |
| 615 _TrackMouseEvent = NULL; | |
| 616 handle = GetModuleHandle("USER32.DLL"); | |
| 617 if ( handle ) { | |
| 618 _TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent"); | |
| 619 } | |
| 620 if ( _TrackMouseEvent == NULL ) { | |
| 621 _TrackMouseEvent = WIN_TrackMouseEvent; | |
| 622 } | |
| 623 #endif /* WM_MOUSELEAVE */ | |
| 624 | |
| 625 /* Check for SDL_WINDOWID hack */ | |
| 626 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 627 | |
| 628 initialized = 1; | |
| 629 return(0); | |
| 630 } | |
| 631 |