SDL_dibevents.c
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
Sam Lantinga
20
slouken@libsdl.org
21
*/
22
#include "SDL_config.h"
24
25
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
27
#include "SDL_main.h"
28
29
#include "SDL_events.h"
#include "SDL_syswm.h"
30
31
32
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
#include "../wincommon/SDL_lowvideo.h"
33
34
35
36
37
38
39
40
41
42
43
44
45
#include "SDL_dibvideo.h"
#include "SDL_vkeys.h"
#ifndef WM_APP
#define WM_APP 0x8000
#endif
#ifdef _WIN32_WCE
#define NO_GETKEYBOARDSTATE
#endif
/* The translation table from a Microsoft VK keysym to a SDL keysym */
static SDLKey VK_keymap[SDLK_LAST];
46
static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed);
47
48
49
50
51
/* Masks for processing the windows KEYDOWN and KEYUP messages */
#define REPEATED_KEYMASK (1<<30)
#define EXTENDED_KEYMASK (1<<24)
52
53
/* DJM: If the user setup the window for us, we want to save his window proc,
and give him a chance to handle some messages. */
54
55
56
57
58
59
#ifdef STRICT
#define WNDPROCTYPE WNDPROC
#else
#define WNDPROCTYPE FARPROC
#endif
static WNDPROCTYPE userWindowProc = NULL;
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
#ifdef _WIN32_WCE
WPARAM rotateKey(WPARAM key,SDL_ScreenOrientation direction)
{
if (direction != SDL_ORIENTATION_LEFT)
return key;
switch (key) {
case 0x26: /* up */
return 0x27;
case 0x27: /* right */
return 0x28;
case 0x28: /* down */
return 0x25;
case 0x25: /* left */
return 0x26;
}
return key;
}
#endif
86
/* The main Win32 event handler */
87
LRESULT DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
88
89
90
91
92
93
94
95
{
extern int posted;
switch (msg) {
case WM_SYSKEYDOWN:
case WM_KEYDOWN: {
SDL_keysym keysym;
96
97
98
99
100
101
102
103
104
#ifdef _WIN32_WCE
// Drop GAPI artefacts
if (wParam == 0x84 || wParam == 0x5B)
return 0;
// Rotate key if necessary
if (this->hidden->orientation != SDL_ORIENTATION_UP)
wParam = rotateKey(wParam, this->hidden->orientation);
#endif
105
106
107
108
109
110
111
112
113
114
115
116
117
/* Ignore repeated keys */
if ( lParam&REPEATED_KEYMASK ) {
return(0);
}
switch (wParam) {
case VK_CONTROL:
if ( lParam&EXTENDED_KEYMASK )
wParam = VK_RCONTROL;
else
wParam = VK_LCONTROL;
break;
case VK_SHIFT:
/* EXTENDED trick doesn't work here */
118
119
120
{
Uint8 *state = SDL_GetKeyState(NULL);
if (state[SDLK_LSHIFT] == SDL_RELEASED && (GetKeyState(VK_LSHIFT) & 0x8000)) {
121
wParam = VK_LSHIFT;
122
} else if (state[SDLK_RSHIFT] == SDL_RELEASED && (GetKeyState(VK_RSHIFT) & 0x8000)) {
123
124
wParam = VK_RSHIFT;
} else {
125
126
127
/* Probably a key repeat */
return(0);
}
129
130
131
132
133
134
135
136
break;
case VK_MENU:
if ( lParam&EXTENDED_KEYMASK )
wParam = VK_RMENU;
else
wParam = VK_LMENU;
break;
}
137
138
139
#ifdef NO_GETKEYBOARDSTATE
/* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */
if ( SDL_TranslateUNICODE ) {
140
141
142
143
144
145
146
147
MSG m;
m.hwnd = hwnd;
m.message = msg;
m.wParam = wParam;
m.lParam = lParam;
m.time = 0;
if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) {
148
149
150
151
152
GetMessage(&m, hwnd, 0, WM_USER);
wParam = m.wParam;
}
}
#endif /* NO_GETKEYBOARDSTATE */
153
154
155
156
157
158
159
160
161
posted = SDL_PrivateKeyboard(SDL_PRESSED,
TranslateKey(wParam,HIWORD(lParam),&keysym,1));
}
return(0);
case WM_SYSKEYUP:
case WM_KEYUP: {
SDL_keysym keysym;
162
163
164
165
166
167
168
169
170
171
#ifdef _WIN32_WCE
// Drop GAPI artefacts
if (wParam == 0x84 || wParam == 0x5B)
return 0;
// Rotate key if necessary
if (this->hidden->orientation != SDL_ORIENTATION_UP)
wParam = rotateKey(wParam, this->hidden->orientation);
#endif
172
173
174
175
176
177
178
179
180
switch (wParam) {
case VK_CONTROL:
if ( lParam&EXTENDED_KEYMASK )
wParam = VK_RCONTROL;
else
wParam = VK_LCONTROL;
break;
case VK_SHIFT:
/* EXTENDED trick doesn't work here */
181
182
183
{
Uint8 *state = SDL_GetKeyState(NULL);
if (state[SDLK_LSHIFT] == SDL_PRESSED && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
184
wParam = VK_LSHIFT;
185
} else if (state[SDLK_RSHIFT] == SDL_PRESSED && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
186
187
wParam = VK_RSHIFT;
} else {
188
189
190
/* Probably a key repeat */
return(0);
}
192
193
194
195
196
197
198
199
200
201
202
203
204
break;
case VK_MENU:
if ( lParam&EXTENDED_KEYMASK )
wParam = VK_RMENU;
else
wParam = VK_LMENU;
break;
}
posted = SDL_PrivateKeyboard(SDL_RELEASED,
TranslateKey(wParam,HIWORD(lParam),&keysym,0));
}
return(0);
205
206
207
208
209
210
211
212
213
#if defined(SC_SCREENSAVE) && defined(SC_MONITORPOWER)
case WM_SYSCOMMAND: {
if ((wParam&0xFFF0)==SC_SCREENSAVE ||
(wParam&0xFFF0)==SC_MONITORPOWER)
return(0);
}
/* Fall through to default processing */
#endif /* SC_SCREENSAVE && SC_MONITORPOWER */
214
215
216
217
218
219
220
221
222
223
224
default: {
/* Only post the event if we're watching for it */
if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
SDL_SysWMmsg wmmsg;
SDL_VERSION(&wmmsg.version);
wmmsg.hwnd = hwnd;
wmmsg.msg = msg;
wmmsg.wParam = wParam;
wmmsg.lParam = lParam;
posted = SDL_PrivateSysWMEvent(&wmmsg);
225
226
227
228
229
230
/* DJM: If the user isn't watching for private
messages in her SDL event loop, then pass it
along to any win32 specific window proc.
*/
} else if (userWindowProc) {
231
return CallWindowProc(userWindowProc, hwnd, msg, wParam, lParam);
232
233
234
235
236
237
238
239
240
241
242
}
}
break;
}
return(DefWindowProc(hwnd, msg, wParam, lParam));
}
void DIB_PumpEvents(_THIS)
{
MSG msg;
243
244
while ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
245
246
247
248
249
250
251
252
253
254
DispatchMessage(&msg);
}
}
}
void DIB_InitOSKeymap(_THIS)
{
int i;
/* Map the VK keysyms */
255
for ( i=0; i<SDL_arraysize(VK_keymap); ++i )
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
VK_keymap[i] = SDLK_UNKNOWN;
VK_keymap[VK_BACK] = SDLK_BACKSPACE;
VK_keymap[VK_TAB] = SDLK_TAB;
VK_keymap[VK_CLEAR] = SDLK_CLEAR;
VK_keymap[VK_RETURN] = SDLK_RETURN;
VK_keymap[VK_PAUSE] = SDLK_PAUSE;
VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
VK_keymap[VK_SPACE] = SDLK_SPACE;
VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
VK_keymap[VK_COMMA] = SDLK_COMMA;
VK_keymap[VK_MINUS] = SDLK_MINUS;
VK_keymap[VK_PERIOD] = SDLK_PERIOD;
VK_keymap[VK_SLASH] = SDLK_SLASH;
VK_keymap[VK_0] = SDLK_0;
VK_keymap[VK_1] = SDLK_1;
VK_keymap[VK_2] = SDLK_2;
VK_keymap[VK_3] = SDLK_3;
VK_keymap[VK_4] = SDLK_4;
VK_keymap[VK_5] = SDLK_5;
VK_keymap[VK_6] = SDLK_6;
VK_keymap[VK_7] = SDLK_7;
VK_keymap[VK_8] = SDLK_8;
VK_keymap[VK_9] = SDLK_9;
VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
VK_keymap[VK_EQUALS] = SDLK_EQUALS;
VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
284
VK_keymap[VK_OEM_102] = SDLK_LESS;
285
286
VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
287
VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE;
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
VK_keymap[VK_A] = SDLK_a;
VK_keymap[VK_B] = SDLK_b;
VK_keymap[VK_C] = SDLK_c;
VK_keymap[VK_D] = SDLK_d;
VK_keymap[VK_E] = SDLK_e;
VK_keymap[VK_F] = SDLK_f;
VK_keymap[VK_G] = SDLK_g;
VK_keymap[VK_H] = SDLK_h;
VK_keymap[VK_I] = SDLK_i;
VK_keymap[VK_J] = SDLK_j;
VK_keymap[VK_K] = SDLK_k;
VK_keymap[VK_L] = SDLK_l;
VK_keymap[VK_M] = SDLK_m;
VK_keymap[VK_N] = SDLK_n;
VK_keymap[VK_O] = SDLK_o;
VK_keymap[VK_P] = SDLK_p;
VK_keymap[VK_Q] = SDLK_q;
VK_keymap[VK_R] = SDLK_r;
VK_keymap[VK_S] = SDLK_s;
VK_keymap[VK_T] = SDLK_t;
VK_keymap[VK_U] = SDLK_u;
VK_keymap[VK_V] = SDLK_v;
VK_keymap[VK_W] = SDLK_w;
VK_keymap[VK_X] = SDLK_x;
VK_keymap[VK_Y] = SDLK_y;
VK_keymap[VK_Z] = SDLK_z;
VK_keymap[VK_DELETE] = SDLK_DELETE;
VK_keymap[VK_NUMPAD0] = SDLK_KP0;
VK_keymap[VK_NUMPAD1] = SDLK_KP1;
VK_keymap[VK_NUMPAD2] = SDLK_KP2;
VK_keymap[VK_NUMPAD3] = SDLK_KP3;
VK_keymap[VK_NUMPAD4] = SDLK_KP4;
VK_keymap[VK_NUMPAD5] = SDLK_KP5;
VK_keymap[VK_NUMPAD6] = SDLK_KP6;
VK_keymap[VK_NUMPAD7] = SDLK_KP7;
VK_keymap[VK_NUMPAD8] = SDLK_KP8;
VK_keymap[VK_NUMPAD9] = SDLK_KP9;
VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
VK_keymap[VK_ADD] = SDLK_KP_PLUS;
VK_keymap[VK_UP] = SDLK_UP;
VK_keymap[VK_DOWN] = SDLK_DOWN;
VK_keymap[VK_RIGHT] = SDLK_RIGHT;
VK_keymap[VK_LEFT] = SDLK_LEFT;
VK_keymap[VK_INSERT] = SDLK_INSERT;
VK_keymap[VK_HOME] = SDLK_HOME;
VK_keymap[VK_END] = SDLK_END;
VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
VK_keymap[VK_F1] = SDLK_F1;
VK_keymap[VK_F2] = SDLK_F2;
VK_keymap[VK_F3] = SDLK_F3;
VK_keymap[VK_F4] = SDLK_F4;
VK_keymap[VK_F5] = SDLK_F5;
VK_keymap[VK_F6] = SDLK_F6;
VK_keymap[VK_F7] = SDLK_F7;
VK_keymap[VK_F8] = SDLK_F8;
VK_keymap[VK_F9] = SDLK_F9;
VK_keymap[VK_F10] = SDLK_F10;
VK_keymap[VK_F11] = SDLK_F11;
VK_keymap[VK_F12] = SDLK_F12;
VK_keymap[VK_F13] = SDLK_F13;
VK_keymap[VK_F14] = SDLK_F14;
VK_keymap[VK_F15] = SDLK_F15;
VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
VK_keymap[VK_RMENU] = SDLK_RALT;
VK_keymap[VK_LMENU] = SDLK_LALT;
VK_keymap[VK_RWIN] = SDLK_RSUPER;
VK_keymap[VK_LWIN] = SDLK_LSUPER;
VK_keymap[VK_HELP] = SDLK_HELP;
#ifdef VK_PRINT
VK_keymap[VK_PRINT] = SDLK_PRINT;
#endif
VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
VK_keymap[VK_CANCEL] = SDLK_BREAK;
VK_keymap[VK_APPS] = SDLK_MENU;
}
379
static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed)
380
381
382
383
384
385
{
/* Set the keysym information */
keysym->scancode = (unsigned char) scancode;
keysym->sym = VK_keymap[vkey];
keysym->mod = KMOD_NONE;
keysym->unicode = 0;
386
if ( pressed && SDL_TranslateUNICODE ) {
387
388
389
390
#ifdef NO_GETKEYBOARDSTATE
/* Uh oh, better hope the vkey is close enough.. */
keysym->unicode = vkey;
#else
391
392
BYTE keystate[256];
Uint16 wchars[2];
393
394
GetKeyboardState(keystate);
395
396
397
if (SDL_ToUnicode(vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) == 1)
{
keysym->unicode = wchars[0];
398
399
400
401
402
403
404
405
}
#endif /* NO_GETKEYBOARDSTATE */
}
return(keysym);
}
int DIB_CreateWindow(_THIS)
{
406
char *windowid = SDL_getenv("SDL_WINDOWID");
408
SDL_RegisterApp(NULL, 0, 0);
410
411
SDL_windowid = (windowid != NULL);
if ( SDL_windowid ) {
412
#if defined(_WIN32_WCE) && (_WIN32_WCE < 300)
413
/* wince 2.1 does not have strtol */
414
415
wchar_t *windowid_t = SDL_malloc((SDL_strlen(windowid) + 1) * sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, windowid, -1, windowid_t, SDL_strlen(windowid) + 1);
416
SDL_Window = (HWND)wcstol(windowid_t, NULL, 0);
417
SDL_free(windowid_t);
419
SDL_Window = (HWND)SDL_strtoull(windowid, NULL, 0);
421
422
423
424
425
426
427
428
if ( SDL_Window == NULL ) {
SDL_SetError("Couldn't get user specified window");
return(-1);
}
/* DJM: we want all event's for the user specified
window to be handled by SDL.
*/
429
430
userWindowProc = (WNDPROCTYPE)GetWindowLongPtr(SDL_Window, GWLP_WNDPROC);
SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)WinMessage);
431
432
433
} else {
SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
(WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
434
CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, SDL_Instance, NULL);
435
436
437
438
439
440
441
442
443
444
445
if ( SDL_Window == NULL ) {
SDL_SetError("Couldn't create window");
return(-1);
}
ShowWindow(SDL_Window, SW_HIDE);
}
return(0);
}
void DIB_DestroyWindow(_THIS)
{
446
if ( SDL_windowid ) {
447
SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)userWindowProc);
449
450
DestroyWindow(SDL_Window);
}
451
SDL_UnregisterApp();
452
}