src/video/windib/SDL_dibevents.c
/* [<][>][^][v][top][bottom][index][help] */
FUNCTIONS
This source file includes following functions.
- DIB_HandleMessage
- DIB_PumpEvents
- DIB_InitOSKeymap
- TranslateKey
- DIB_CreateWindow
- DIB_DestroyWindow
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id: SDL_dibevents.c,v 1.2.2.11 2001/02/13 10:05:50 hercules Exp $";
26 #endif
27
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <windows.h>
31
32 #include "SDL_events.h"
33 #include "SDL_error.h"
34 #include "SDL_syswm.h"
35 #include "SDL_sysevents.h"
36 #include "SDL_events_c.h"
37 #include "SDL_lowvideo.h"
38 #include "SDL_dibvideo.h"
39 #include "SDL_vkeys.h"
40
41 #ifndef WM_APP
42 #define WM_APP 0x8000
43 #endif
44
45 #ifdef _WIN32_WCE
46 #define NO_GETKEYBOARDSTATE
47 #endif
48
49 /* The translation table from a Microsoft VK keysym to a SDL keysym */
50 static SDLKey VK_keymap[SDLK_LAST];
51 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed);
52
53 /* Masks for processing the windows KEYDOWN and KEYUP messages */
54 #define REPEATED_KEYMASK (1<<30)
55 #define EXTENDED_KEYMASK (1<<24)
56
57 /* The main Win32 event handler */
58 LONG
59 DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
/* [<][>][^][v][top][bottom][index][help] */
60 {
61 extern int posted;
62
63 switch (msg) {
64 case WM_SYSKEYDOWN:
65 case WM_KEYDOWN: {
66 SDL_keysym keysym;
67
68 /* Ignore repeated keys */
69 if ( lParam&REPEATED_KEYMASK ) {
70 return(0);
71 }
72 switch (wParam) {
73 case VK_CONTROL:
74 if ( lParam&EXTENDED_KEYMASK )
75 wParam = VK_RCONTROL;
76 else
77 wParam = VK_LCONTROL;
78 break;
79 case VK_SHIFT:
80 /* EXTENDED trick doesn't work here */
81 wParam = VK_LSHIFT;
82 break;
83 case VK_MENU:
84 if ( lParam&EXTENDED_KEYMASK )
85 wParam = VK_RMENU;
86 else
87 wParam = VK_LMENU;
88 break;
89 }
90 posted = SDL_PrivateKeyboard(SDL_PRESSED,
91 TranslateKey(wParam,HIWORD(lParam),&keysym,1));
92 }
93 return(0);
94
95 case WM_SYSKEYUP:
96 case WM_KEYUP: {
97 SDL_keysym keysym;
98
99 switch (wParam) {
100 case VK_CONTROL:
101 if ( lParam&EXTENDED_KEYMASK )
102 wParam = VK_RCONTROL;
103 else
104 wParam = VK_LCONTROL;
105 break;
106 case VK_SHIFT:
107 /* EXTENDED trick doesn't work here */
108 wParam = VK_LSHIFT;
109 break;
110 case VK_MENU:
111 if ( lParam&EXTENDED_KEYMASK )
112 wParam = VK_RMENU;
113 else
114 wParam = VK_LMENU;
115 break;
116 }
117 posted = SDL_PrivateKeyboard(SDL_RELEASED,
118 TranslateKey(wParam,HIWORD(lParam),&keysym,0));
119 }
120 return(0);
121
122 default: {
123 /* Only post the event if we're watching for it */
124 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
125 SDL_SysWMmsg wmmsg;
126
127 SDL_VERSION(&wmmsg.version);
128 wmmsg.hwnd = hwnd;
129 wmmsg.msg = msg;
130 wmmsg.wParam = wParam;
131 wmmsg.lParam = lParam;
132 posted = SDL_PrivateSysWMEvent(&wmmsg);
133 }
134 }
135 break;
136 }
137 return(DefWindowProc(hwnd, msg, wParam, lParam));
138 }
139
140 void DIB_PumpEvents(_THIS)
/* [<][>][^][v][top][bottom][index][help] */
141 {
142 MSG msg;
143
144 while ( PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) {
145 if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) {
146 DispatchMessage(&msg);
147 }
148 }
149 }
150
151 void DIB_InitOSKeymap(_THIS)
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152 {
153 int i;
154
155 /* Map the VK keysyms */
156 for ( i=0; i<SDL_TABLESIZE(VK_keymap); ++i )
157 VK_keymap[i] = SDLK_UNKNOWN;
158
159 VK_keymap[VK_BACK] = SDLK_BACKSPACE;
160 VK_keymap[VK_TAB] = SDLK_TAB;
161 VK_keymap[VK_CLEAR] = SDLK_CLEAR;
162 VK_keymap[VK_RETURN] = SDLK_RETURN;
163 VK_keymap[VK_PAUSE] = SDLK_PAUSE;
164 VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
165 VK_keymap[VK_SPACE] = SDLK_SPACE;
166 VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
167 VK_keymap[VK_COMMA] = SDLK_COMMA;
168 VK_keymap[VK_MINUS] = SDLK_MINUS;
169 VK_keymap[VK_PERIOD] = SDLK_PERIOD;
170 VK_keymap[VK_SLASH] = SDLK_SLASH;
171 VK_keymap[VK_0] = SDLK_0;
172 VK_keymap[VK_1] = SDLK_1;
173 VK_keymap[VK_2] = SDLK_2;
174 VK_keymap[VK_3] = SDLK_3;
175 VK_keymap[VK_4] = SDLK_4;
176 VK_keymap[VK_5] = SDLK_5;
177 VK_keymap[VK_6] = SDLK_6;
178 VK_keymap[VK_7] = SDLK_7;
179 VK_keymap[VK_8] = SDLK_8;
180 VK_keymap[VK_9] = SDLK_9;
181 VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
182 VK_keymap[VK_EQUALS] = SDLK_EQUALS;
183 VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
184 VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
185 VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
186 VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
187 VK_keymap[VK_A] = SDLK_a;
188 VK_keymap[VK_B] = SDLK_b;
189 VK_keymap[VK_C] = SDLK_c;
190 VK_keymap[VK_D] = SDLK_d;
191 VK_keymap[VK_E] = SDLK_e;
192 VK_keymap[VK_F] = SDLK_f;
193 VK_keymap[VK_G] = SDLK_g;
194 VK_keymap[VK_H] = SDLK_h;
195 VK_keymap[VK_I] = SDLK_i;
196 VK_keymap[VK_J] = SDLK_j;
197 VK_keymap[VK_K] = SDLK_k;
198 VK_keymap[VK_L] = SDLK_l;
199 VK_keymap[VK_M] = SDLK_m;
200 VK_keymap[VK_N] = SDLK_n;
201 VK_keymap[VK_O] = SDLK_o;
202 VK_keymap[VK_P] = SDLK_p;
203 VK_keymap[VK_Q] = SDLK_q;
204 VK_keymap[VK_R] = SDLK_r;
205 VK_keymap[VK_S] = SDLK_s;
206 VK_keymap[VK_T] = SDLK_t;
207 VK_keymap[VK_U] = SDLK_u;
208 VK_keymap[VK_V] = SDLK_v;
209 VK_keymap[VK_W] = SDLK_w;
210 VK_keymap[VK_X] = SDLK_x;
211 VK_keymap[VK_Y] = SDLK_y;
212 VK_keymap[VK_Z] = SDLK_z;
213 VK_keymap[VK_DELETE] = SDLK_DELETE;
214
215 VK_keymap[VK_NUMPAD0] = SDLK_KP0;
216 VK_keymap[VK_NUMPAD1] = SDLK_KP1;
217 VK_keymap[VK_NUMPAD2] = SDLK_KP2;
218 VK_keymap[VK_NUMPAD3] = SDLK_KP3;
219 VK_keymap[VK_NUMPAD4] = SDLK_KP4;
220 VK_keymap[VK_NUMPAD5] = SDLK_KP5;
221 VK_keymap[VK_NUMPAD6] = SDLK_KP6;
222 VK_keymap[VK_NUMPAD7] = SDLK_KP7;
223 VK_keymap[VK_NUMPAD8] = SDLK_KP8;
224 VK_keymap[VK_NUMPAD9] = SDLK_KP9;
225 VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
226 VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
227 VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
228 VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
229 VK_keymap[VK_ADD] = SDLK_KP_PLUS;
230
231 VK_keymap[VK_UP] = SDLK_UP;
232 VK_keymap[VK_DOWN] = SDLK_DOWN;
233 VK_keymap[VK_RIGHT] = SDLK_RIGHT;
234 VK_keymap[VK_LEFT] = SDLK_LEFT;
235 VK_keymap[VK_INSERT] = SDLK_INSERT;
236 VK_keymap[VK_HOME] = SDLK_HOME;
237 VK_keymap[VK_END] = SDLK_END;
238 VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
239 VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
240
241 VK_keymap[VK_F1] = SDLK_F1;
242 VK_keymap[VK_F2] = SDLK_F2;
243 VK_keymap[VK_F3] = SDLK_F3;
244 VK_keymap[VK_F4] = SDLK_F4;
245 VK_keymap[VK_F5] = SDLK_F5;
246 VK_keymap[VK_F6] = SDLK_F6;
247 VK_keymap[VK_F7] = SDLK_F7;
248 VK_keymap[VK_F8] = SDLK_F8;
249 VK_keymap[VK_F9] = SDLK_F9;
250 VK_keymap[VK_F10] = SDLK_F10;
251 VK_keymap[VK_F11] = SDLK_F11;
252 VK_keymap[VK_F12] = SDLK_F12;
253 VK_keymap[VK_F13] = SDLK_F13;
254 VK_keymap[VK_F14] = SDLK_F14;
255 VK_keymap[VK_F15] = SDLK_F15;
256
257 VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
258 VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
259 VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
260 VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
261 VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
262 VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
263 VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
264 VK_keymap[VK_RMENU] = SDLK_RALT;
265 VK_keymap[VK_LMENU] = SDLK_LALT;
266 VK_keymap[VK_RWIN] = SDLK_RSUPER;
267 VK_keymap[VK_LWIN] = SDLK_LSUPER;
268
269 VK_keymap[VK_HELP] = SDLK_HELP;
270 #ifdef VK_PRINT
271 VK_keymap[VK_PRINT] = SDLK_PRINT;
272 #endif
273 VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
274 VK_keymap[VK_CANCEL] = SDLK_BREAK;
275 VK_keymap[VK_APPS] = SDLK_MENU;
276 }
277
278 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed)
/* [<][>][^][v][top][bottom][index][help] */
279 {
280 /* Set the keysym information */
281 keysym->scancode = (unsigned char) scancode;
282 keysym->sym = VK_keymap[vkey];
283 keysym->mod = KMOD_NONE;
284 keysym->unicode = 0;
285 if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */
286 #ifdef NO_GETKEYBOARDSTATE
287 /* Uh oh, better hope the vkey is close enough.. */
288 keysym->unicode = vkey;
289 #else
290 BYTE keystate[256];
291 BYTE chars[2];
292
293 GetKeyboardState(keystate);
294 if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) {
295 keysym->unicode = chars[0];
296 }
297 #endif /* NO_GETKEYBOARDSTATE */
298 }
299 return(keysym);
300 }
301
302 int DIB_CreateWindow(_THIS)
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303 {
304 #ifdef _WIN32_WCE
305 /* WinCE uses the UNICODE version */
306 int nLen = strlen(SDL_Appname);
307 LPWSTR lpszW = alloca((nLen+1)*2);
308 MultiByteToWideChar(CP_ACP, 0, SDL_Appname, -1, lpszW, nLen);
309
310 SDL_RegisterApp("SDL_app", 0, 0);
311 SDL_Window = CreateWindow(lpszW, lpszW,
312 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
313 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
314 if ( SDL_Window == NULL ) {
315 SDL_SetError("Couldn't create window");
316 return(-1);
317 }
318 ShowWindow(SDL_Window, SW_HIDE);
319 #else
320 SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
321 if ( SDL_windowid ) {
322 SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
323 } else {
324 SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
325 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
326 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
327 if ( SDL_Window == NULL ) {
328 SDL_SetError("Couldn't create window");
329 return(-1);
330 }
331 ShowWindow(SDL_Window, SW_HIDE);
332 }
333 #endif /* _WIN32_WCE */
334
335 return(0);
336 }
337
338 void DIB_DestroyWindow(_THIS)
/* [<][>][^][v][top][bottom][index][help] */
339 {
340 if ( SDL_windowid == NULL ) {
341 DestroyWindow(SDL_Window);
342 }
343 }