/
SDL_sysevents.c
845 lines (752 loc) · 20.9 KB
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.
14
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"
23
24
25
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
26
27
28
29
#include "SDL_events.h"
#include "SDL_video.h"
#include "SDL_syswm.h"
30
31
32
#include "../SDL_sysvideo.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
33
34
35
#include "SDL_lowvideo.h"
#include "SDL_syswm_c.h"
#include "SDL_main.h"
36
#include "SDL_loadso.h"
37
38
39
40
41
42
#ifdef WMMSG_DEBUG
#include "wmmsg.h"
#endif
#ifdef _WIN32_WCE
43
44
45
#include "../gapi/SDL_gapivideo.h"
#define IsZoomed(HWND) 1
46
#define NO_GETKEYBOARDSTATE
47
#if _WIN32_WCE < 420
48
#define NO_CHANGEDISPLAYSETTINGS
49
#endif
50
#endif
51
52
/* The window we use for everything... */
53
54
55
56
57
#ifdef _WIN32_WCE
LPWSTR SDL_Appname = NULL;
#else
LPSTR SDL_Appname = NULL;
#endif
58
Uint32 SDL_Appstyle = 0;
59
60
61
HINSTANCE SDL_Instance = NULL;
HWND SDL_Window = NULL;
RECT SDL_bounds = {0, 0, 0, 0};
62
63
int SDL_windowX = 0;
int SDL_windowY = 0;
64
65
66
int SDL_resizing = 0;
int mouse_relative = 0;
int posted = 0;
67
#ifndef NO_CHANGEDISPLAYSETTINGS
68
DEVMODE SDL_desktop_mode;
69
70
DEVMODE SDL_fullscreen_mode;
#endif
71
WORD *gamma_saved = NULL;
72
73
74
/* Functions called by the message processing function */
75
LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL;
76
77
78
void (*WIN_RealizePalette)(_THIS);
void (*WIN_PaletteChanged)(_THIS, HWND window);
void (*WIN_WinPAINT)(_THIS, HDC hdc);
79
extern void DIB_SwapGamma(_THIS);
80
81
#ifndef NO_GETKEYBOARDSTATE
82
83
84
85
/* Variables and support functions for SDL_ToUnicode() */
static int codepage;
static int Is9xME();
static int GetCodePage();
86
static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, BYTE *keystate, LPWSTR wchars, int wsize, UINT flags);
87
88
ToUnicodeFN SDL_ToUnicode = ToUnicode9xME;
89
#endif /* !NO_GETKEYBOARDSTATE */
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
#if defined(_WIN32_WCE)
// dynamically load aygshell dll because we want SDL to work on HPC and be300
HINSTANCE aygshell = NULL;
BOOL (WINAPI *SHFullScreen)(HWND hwndRequester, DWORD dwState) = 0;
#define SHFS_SHOWTASKBAR 0x0001
#define SHFS_HIDETASKBAR 0x0002
#define SHFS_SHOWSIPBUTTON 0x0004
#define SHFS_HIDESIPBUTTON 0x0008
#define SHFS_SHOWSTARTICON 0x0010
#define SHFS_HIDESTARTICON 0x0020
static void LoadAygshell(void)
{
if( !aygshell )
aygshell = SDL_LoadObject("aygshell.dll");
if( aygshell )
{
SHFullScreen = (int (WINAPI *)(struct HWND__ *,unsigned long)) SDL_LoadFunction(aygshell, "SHFullScreen");
}
}
115
116
117
118
119
120
121
122
123
124
125
126
/* for gapi landscape mode */
static void GapiTransform(SDL_ScreenOrientation rotate, char hires, Sint16 *x, Sint16 *y) {
Sint16 rotatedX;
Sint16 rotatedY;
if (hires) {
*x = *x * 2;
*y = *y * 2;
}
switch(rotate) {
case SDL_ORIENTATION_UP:
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
{
/* this code needs testing on a real device!
So it will be enabled later */
/*
#ifdef _WIN32_WCE
#if _WIN32_WCE >= 420
// test device orientation
// FIXME: do not check every mouse message
DEVMODE settings;
SDL_memset(&settings, 0, sizeof(DEVMODE));
settings.dmSize = sizeof(DEVMODE);
settings.dmFields = DM_DISPLAYORIENTATION;
ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL);
if( settings.dmOrientation == DMDO_90 )
{
rotatedX = SDL_VideoSurface->h - *x;
rotatedY = *y;
*x = rotatedX;
*y = rotatedY;
}
#endif
#endif */
}
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
break;
case SDL_ORIENTATION_RIGHT:
if (!SDL_VideoSurface)
break;
rotatedX = SDL_VideoSurface->w - *y;
rotatedY = *x;
*x = rotatedX;
*y = rotatedY;
break;
case SDL_ORIENTATION_LEFT:
if (!SDL_VideoSurface)
break;
rotatedX = *y;
rotatedY = SDL_VideoSurface->h - *x;
*x = rotatedX;
*y = rotatedY;
break;
}
}
170
171
#endif
172
173
174
static void SDL_RestoreGameMode(void)
{
ShowWindow(SDL_Window, SW_RESTORE);
175
176
#ifndef NO_CHANGEDISPLAYSETTINGS
#ifndef _WIN32_WCE
177
178
ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN);
#endif
179
#endif /* NO_CHANGEDISPLAYSETTINGS */
180
181
182
183
}
static void SDL_RestoreDesktopMode(void)
{
ShowWindow(SDL_Window, SW_MINIMIZE);
184
185
#ifndef NO_CHANGEDISPLAYSETTINGS
#ifndef _WIN32_WCE
186
187
ChangeDisplaySettings(NULL, 0);
#endif
188
#endif /* NO_CHANGEDISPLAYSETTINGS */
189
190
}
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
#ifdef WM_MOUSELEAVE
/*
Special code to handle mouse leave events - this sucks...
http://support.microsoft.com/support/kb/articles/q183/1/07.asp
TrackMouseEvent() is only available on Win98 and WinNT.
_TrackMouseEvent() is available on Win95, but isn't yet in the mingw32
development environment, and only works on systems that have had IE 3.0
or newer installed on them (which is not the case with the base Win95).
Therefore, we implement our own version of _TrackMouseEvent() which
uses our own implementation if TrackMouseEvent() is not available.
*/
static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL;
static VOID CALLBACK
TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime)
{
RECT rect;
POINT pt;
GetClientRect(hWnd, &rect);
MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2);
GetCursorPos(&pt);
if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) {
if ( !KillTimer(hWnd, idEvent) ) {
/* Error killing the timer! */
}
PostMessage(hWnd, WM_MOUSELEAVE, 0, 0);
}
}
static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme)
{
if ( ptme->dwFlags == TME_LEAVE ) {
return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100,
225
(TIMERPROC)TrackMouseTimerProc) != 0;
226
227
228
229
230
231
232
233
234
235
236
}
return FALSE;
}
#endif /* WM_MOUSELEAVE */
/* Function to retrieve the current keyboard modifiers */
static void WIN_GetKeyboardState(void)
{
#ifndef NO_GETKEYBOARDSTATE
SDLMod state;
BYTE keyboard[256];
237
Uint8 *kstate = SDL_GetKeyState(NULL);
238
239
240
241
242
state = KMOD_NONE;
if ( GetKeyboardState(keyboard) ) {
if ( keyboard[VK_LSHIFT] & 0x80) {
state |= KMOD_LSHIFT;
243
kstate[SDLK_LSHIFT] = SDL_PRESSED;
244
245
246
}
if ( keyboard[VK_RSHIFT] & 0x80) {
state |= KMOD_RSHIFT;
247
kstate[SDLK_RSHIFT] = SDL_PRESSED;
248
249
250
}
if ( keyboard[VK_LCONTROL] & 0x80) {
state |= KMOD_LCTRL;
251
kstate[SDLK_LCTRL] = SDL_PRESSED;
252
253
254
}
if ( keyboard[VK_RCONTROL] & 0x80) {
state |= KMOD_RCTRL;
255
kstate[SDLK_RCTRL] = SDL_PRESSED;
256
257
258
}
if ( keyboard[VK_LMENU] & 0x80) {
state |= KMOD_LALT;
259
kstate[SDLK_LALT] = SDL_PRESSED;
260
261
262
}
if ( keyboard[VK_RMENU] & 0x80) {
state |= KMOD_RALT;
263
kstate[SDLK_RALT] = SDL_PRESSED;
264
}
265
if ( keyboard[VK_NUMLOCK] & 0x01) {
266
state |= KMOD_NUM;
267
kstate[SDLK_NUMLOCK] = SDL_PRESSED;
268
}
269
if ( keyboard[VK_CAPITAL] & 0x01) {
270
state |= KMOD_CAPS;
271
kstate[SDLK_CAPSLOCK] = SDL_PRESSED;
272
273
274
275
276
277
}
}
SDL_SetModState(state);
#endif /* !NO_GETKEYBOARDSTATE */
}
278
279
280
/* The main Win32 event handler
DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it
*/
281
LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
{
SDL_VideoDevice *this = current_video;
static int mouse_pressed = 0;
static int in_window = 0;
#ifdef WMMSG_DEBUG
fprintf(stderr, "Received windows message: ");
if ( msg > MAX_WMMSG ) {
fprintf(stderr, "%d", msg);
} else {
fprintf(stderr, "%s", wmtab[msg]);
}
fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam);
#endif
switch (msg) {
case WM_ACTIVATE: {
SDL_VideoDevice *this = current_video;
BOOL minimized;
Uint8 appstate;
minimized = HIWORD(wParam);
if ( !minimized && (LOWORD(wParam) != WA_INACTIVE) ) {
/* Gain the following states */
appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS;
if ( this->input_grab != SDL_GRAB_OFF ) {
WIN_GrabInput(this, SDL_GRAB_ON);
}
if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) {
310
311
312
if ( ! DDRAW_FULLSCREEN() ) {
DIB_SwapGamma(this);
}
313
314
315
if ( WINDIB_FULLSCREEN() ) {
SDL_RestoreGameMode();
}
316
}
317
318
319
320
321
322
323
324
325
326
327
328
#if defined(_WIN32_WCE)
if ( WINDIB_FULLSCREEN() )
{
LoadAygshell();
if( aygshell )
SHFullScreen(SDL_Window, SHFS_HIDESTARTICON|SHFS_HIDETASKBAR|SHFS_HIDESIPBUTTON);
else
ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE);
}
#endif
329
330
331
332
333
334
335
336
337
338
339
340
posted = SDL_PrivateAppActive(1, appstate);
WIN_GetKeyboardState();
} else {
/* Lose the following states */
appstate = SDL_APPINPUTFOCUS;
if ( minimized ) {
appstate |= SDL_APPACTIVE;
}
if ( this->input_grab != SDL_GRAB_OFF ) {
WIN_GrabInput(this, SDL_GRAB_OFF);
}
if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
341
342
343
if ( ! DDRAW_FULLSCREEN() ) {
DIB_SwapGamma(this);
}
344
345
if ( WINDIB_FULLSCREEN() ) {
SDL_RestoreDesktopMode();
346
347
348
349
350
351
352
353
#if defined(_WIN32_WCE)
LoadAygshell();
if( aygshell )
SHFullScreen(SDL_Window, SHFS_SHOWSTARTICON|SHFS_SHOWTASKBAR|SHFS_SHOWSIPBUTTON);
else
ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOW);
#endif
354
}
355
356
357
358
359
360
361
362
363
364
}
posted = SDL_PrivateAppActive(0, appstate);
}
return(0);
}
break;
case WM_MOUSEMOVE: {
/* Mouse is handled by DirectInput when fullscreen */
365
if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
Sint16 x, y;
/* mouse has entered the window */
if ( ! in_window ) {
#ifdef WM_MOUSELEAVE
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = SDL_Window;
_TrackMouseEvent(&tme);
#endif /* WM_MOUSELEAVE */
in_window = TRUE;
posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
}
/* mouse has moved within the window */
x = LOWORD(lParam);
y = HIWORD(lParam);
if ( mouse_relative ) {
POINT center;
center.x = (SDL_VideoSurface->w/2);
center.y = (SDL_VideoSurface->h/2);
x -= (Sint16)center.x;
y -= (Sint16)center.y;
if ( x || y ) {
ClientToScreen(SDL_Window, ¢er);
SetCursorPos(center.x, center.y);
posted = SDL_PrivateMouseMotion(0, 1, x, y);
}
} else {
398
399
400
401
#ifdef _WIN32_WCE
if (SDL_VideoSurface)
GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y);
#endif
402
403
404
405
406
407
408
409
410
411
posted = SDL_PrivateMouseMotion(0, 0, x, y);
}
}
}
return(0);
#ifdef WM_MOUSELEAVE
case WM_MOUSELEAVE: {
/* Mouse is handled by DirectInput when fullscreen */
412
if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
413
414
415
416
417
/* mouse has left the window */
/* or */
/* Elvis has left the building! */
posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
}
418
in_window = FALSE;
419
420
421
422
423
424
425
426
427
428
429
}
return(0);
#endif /* WM_MOUSELEAVE */
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP: {
/* Mouse is handled by DirectInput when fullscreen */
430
if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
431
432
433
Sint16 x, y;
Uint8 button, state;
434
435
436
437
438
439
440
/* DJM:
We want the SDL window to take focus so that
it acts like a normal windows "component"
(e.g. gains keyboard focus on a mouse click).
*/
SetFocus(SDL_Window);
441
442
443
/* Figure out which button to use */
switch (msg) {
case WM_LBUTTONDOWN:
444
button = SDL_BUTTON_LEFT;
445
446
447
state = SDL_PRESSED;
break;
case WM_LBUTTONUP:
448
button = SDL_BUTTON_LEFT;
449
450
451
state = SDL_RELEASED;
break;
case WM_MBUTTONDOWN:
452
button = SDL_BUTTON_MIDDLE;
453
454
455
state = SDL_PRESSED;
break;
case WM_MBUTTONUP:
456
button = SDL_BUTTON_MIDDLE;
457
458
459
state = SDL_RELEASED;
break;
case WM_RBUTTONDOWN:
460
button = SDL_BUTTON_RIGHT;
461
462
463
state = SDL_PRESSED;
break;
case WM_RBUTTONUP:
464
button = SDL_BUTTON_RIGHT;
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
state = SDL_RELEASED;
break;
default:
/* Eh? Unknown button? */
return(0);
}
if ( state == SDL_PRESSED ) {
/* Grab mouse so we get up events */
if ( ++mouse_pressed > 0 ) {
SetCapture(hwnd);
}
} else {
/* Release mouse after all up events */
if ( --mouse_pressed <= 0 ) {
ReleaseCapture();
mouse_pressed = 0;
}
}
if ( mouse_relative ) {
/* RJR: March 28, 2000
report internal mouse position if in relative mode */
x = 0; y = 0;
} else {
x = (Sint16)LOWORD(lParam);
y = (Sint16)HIWORD(lParam);
490
491
492
493
#ifdef _WIN32_WCE
if (SDL_VideoSurface)
GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y);
#endif
494
495
496
497
498
499
500
}
posted = SDL_PrivateMouseButton(
state, button, x, y);
}
}
return(0);
501
502
503
504
505
#if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
case WM_MOUSEWHEEL:
if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
int move = (short)HIWORD(wParam);
506
507
508
if ( move ) {
Uint8 button;
if ( move > 0 )
509
button = SDL_BUTTON_WHEELUP;
510
else
511
button = SDL_BUTTON_WHEELDOWN;
512
posted = SDL_PrivateMouseButton(
513
SDL_PRESSED, button, 0, 0);
514
515
posted |= SDL_PrivateMouseButton(
SDL_RELEASED, button, 0, 0);
516
517
518
519
520
}
}
return(0);
#endif
521
522
523
524
525
526
527
528
529
#ifdef WM_GETMINMAXINFO
/* This message is sent as a way for us to "check" the values
* of a position change. If we don't like it, we can adjust
* the values before they are changed.
*/
case WM_GETMINMAXINFO: {
MINMAXINFO *info;
RECT size;
int x, y;
530
int style;
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
int width;
int height;
/* We don't want to clobber an internal resize */
if ( SDL_resizing )
return(0);
/* We allow resizing with the SDL_RESIZABLE flag */
if ( SDL_PublicSurface &&
(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
return(0);
}
/* Get the current position of our window */
GetWindowRect(SDL_Window, &size);
x = size.left;
y = size.top;
/* Calculate current width and height of our window */
size.top = 0;
size.left = 0;
if ( SDL_PublicSurface != NULL ) {
size.bottom = SDL_PublicSurface->h;
size.right = SDL_PublicSurface->w;
} else {
size.bottom = 0;
size.right = 0;
}
559
560
561
562
563
564
/* DJM - according to the docs for GetMenu(), the
return value is undefined if hwnd is a child window.
Aparently it's too difficult for MS to check
inside their function, so I have to do it here.
*/
565
style = GetWindowLong(hwnd, GWL_STYLE);
566
567
568
569
570
571
AdjustWindowRect(
&size,
style,
style & WS_CHILDWINDOW ? FALSE
: GetMenu(hwnd) != NULL);
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
width = size.right - size.left;
height = size.bottom - size.top;
/* Fix our size to the current size */
info = (MINMAXINFO *)lParam;
info->ptMaxSize.x = width;
info->ptMaxSize.y = height;
info->ptMaxPosition.x = x;
info->ptMaxPosition.y = y;
info->ptMinTrackSize.x = width;
info->ptMinTrackSize.y = height;
info->ptMaxTrackSize.x = width;
info->ptMaxTrackSize.y = height;
}
return(0);
#endif /* WM_GETMINMAXINFO */
589
case WM_WINDOWPOSCHANGED: {
590
SDL_VideoDevice *this = current_video;
591
int w, h;
592
593
GetClientRect(SDL_Window, &SDL_bounds);
594
595
ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds);
ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1);
596
597
598
599
600
601
if ( !SDL_resizing && !IsZoomed(SDL_Window) &&
SDL_PublicSurface &&
!(SDL_PublicSurface->flags & SDL_FULLSCREEN) ) {
SDL_windowX = SDL_bounds.left;
SDL_windowY = SDL_bounds.top;
}
602
603
w = SDL_bounds.right-SDL_bounds.left;
h = SDL_bounds.bottom-SDL_bounds.top;
604
605
606
if ( this->input_grab != SDL_GRAB_OFF ) {
ClipCursor(&SDL_bounds);
}
607
if ( SDL_PublicSurface &&
608
(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
609
SDL_PrivateResize(w, h);
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
}
}
break;
/* We need to set the cursor */
case WM_SETCURSOR: {
Uint16 hittest;
hittest = LOWORD(lParam);
if ( hittest == HTCLIENT ) {
SetCursor(SDL_hcursor);
return(TRUE);
}
}
break;
/* We are about to get palette focus! */
case WM_QUERYNEWPALETTE: {
WIN_RealizePalette(current_video);
return(TRUE);
}
break;
/* Another application changed the palette */
case WM_PALETTECHANGED: {
WIN_PaletteChanged(current_video, (HWND)wParam);
}
break;
/* We were occluded, refresh our display */
case WM_PAINT: {
HDC hdc;
PAINTSTRUCT ps;
hdc = BeginPaint(SDL_Window, &ps);
if ( current_video->screen &&
!(current_video->screen->flags & SDL_OPENGL) ) {
WIN_WinPAINT(current_video, hdc);
}
EndPaint(SDL_Window, &ps);
}
return(0);
653
/* DJM: Send an expose event in this case */
654
case WM_ERASEBKGND: {
655
posted = SDL_PrivateExpose();
656
}
657
return(0);
658
659
660
661
662
663
664
665
666
667
668
669
case WM_CLOSE: {
if ( (posted = SDL_PrivateQuit()) )
PostQuitMessage(0);
}
return(0);
case WM_DESTROY: {
PostQuitMessage(0);
}
return(0);
670
#ifndef NO_GETKEYBOARDSTATE
671
672
673
674
case WM_INPUTLANGCHANGE: {
codepage = GetCodePage();
}
return(TRUE);
675
#endif
676
677
678
679
680
681
682
683
684
685
686
687
688
default: {
/* Special handling by the video driver */
if (HandleMessage) {
return(HandleMessage(current_video,
hwnd, msg, wParam, lParam));
}
}
break;
}
return(DefWindowProc(hwnd, msg, wParam, lParam));
}
689
/* Allow the application handle to be stored and retrieved later */
690
static void *SDL_handle = NULL;
691
692
void SDL_SetModuleHandle(void *handle)
693
694
695
{
SDL_handle = handle;
}
696
void *SDL_GetModuleHandle(void)
697
698
699
700
701
702
703
704
705
706
707
{
void *handle;
if ( SDL_handle ) {
handle = SDL_handle;
} else {
handle = GetModuleHandle(NULL);
}
return(handle);
}
708
/* This allows the SDL_WINDOWID hack */
709
BOOL SDL_windowid = FALSE;
710
711
712
static int app_registered = 0;
713
/* Register the class for this application -- exported for winmain.c */
714
int SDL_RegisterApp(char *name, Uint32 style, void *hInst)
715
716
717
718
719
720
721
{
WNDCLASS class;
#ifdef WM_MOUSELEAVE
HMODULE handle;
#endif
/* Only do this once... */
722
if ( app_registered ) {
723
724
725
return(0);
}
726
727
728
729
730
731
732
#ifndef CS_BYTEALIGNCLIENT
#define CS_BYTEALIGNCLIENT 0
#endif
if ( ! name && ! SDL_Appname ) {
name = "SDL_app";
SDL_Appstyle = CS_BYTEALIGNCLIENT;
SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
733
734
}
735
if ( name ) {
736
#ifdef _WIN32_WCE
737
/* WinCE uses the UNICODE version */
738
size_t nLen = SDL_strlen(name)+1;
739
SDL_Appname = SDL_malloc(nLen*2);
740
MultiByteToWideChar(CP_ACP, 0, name, -1, SDL_Appname, nLen);
741
#else
742
size_t nLen = SDL_strlen(name)+1;
743
SDL_Appname = SDL_malloc(nLen);
744
SDL_strlcpy(SDL_Appname, name, nLen);
745
#endif /* _WIN32_WCE */
746
747
748
749
750
751
752
753
SDL_Appstyle = style;
SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
}
/* Register the application class */
class.hCursor = NULL;
class.hIcon = LoadImage(SDL_Instance, SDL_Appname,
IMAGE_ICON,
754
755
756
0, 0, LR_DEFAULTCOLOR);
class.lpszMenuName = NULL;
class.lpszClassName = SDL_Appname;
757
class.hbrBackground = NULL;
758
759
class.hInstance = SDL_Instance;
class.style = SDL_Appstyle;
760
#if SDL_VIDEO_OPENGL
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
class.style |= CS_OWNDC;
#endif
class.lpfnWndProc = WinMessage;
class.cbWndExtra = 0;
class.cbClsExtra = 0;
if ( ! RegisterClass(&class) ) {
SDL_SetError("Couldn't register application class");
return(-1);
}
#ifdef WM_MOUSELEAVE
/* Get the version of TrackMouseEvent() we use */
_TrackMouseEvent = NULL;
handle = GetModuleHandle("USER32.DLL");
if ( handle ) {
_TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent");
}
if ( _TrackMouseEvent == NULL ) {
_TrackMouseEvent = WIN_TrackMouseEvent;
}
#endif /* WM_MOUSELEAVE */
783
#ifndef NO_GETKEYBOARDSTATE
784
785
786
/* Initialise variables for SDL_ToUnicode() */
codepage = GetCodePage();
SDL_ToUnicode = Is9xME() ? ToUnicode9xME : ToUnicode;
787
#endif
788
789
app_registered = 1;
790
791
792
return(0);
}
793
/* Unregisters the windowclass registered in SDL_RegisterApp above. */
794
void SDL_UnregisterApp()
795
796
797
798
{
WNDCLASS class;
/* SDL_RegisterApp might not have been called before */
799
800
801
if ( app_registered ) {
/* Check for any registered window classes. */
if ( GetClassInfo(SDL_Instance, SDL_Appname, &class) ) {
802
803
UnregisterClass(SDL_Appname, SDL_Instance);
}
804
app_registered = 0;
805
806
807
}
}
808
#ifndef NO_GETKEYBOARDSTATE
809
810
811
812
813
814
/* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */
static int Is9xME()
{
OSVERSIONINFO info;
815
SDL_memset(&info, 0, sizeof(info));
816
817
818
819
820
821
822
823
824
825
826
827
828
829
info.dwOSVersionInfoSize = sizeof(info);
if (!GetVersionEx(&info)) {
return 0;
}
return (info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
}
static int GetCodePage()
{
char buff[8];
int lcid = MAKELCID(LOWORD(GetKeyboardLayout(0)), SORT_DEFAULT);
int cp = GetACP();
if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof(buff))) {
830
cp = SDL_atoi(buff);
831
832
833
834
835
836
837
838
839
840
841
842
843
844
}
return cp;
}
static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, PBYTE keystate, LPWSTR wchars, int wsize, UINT flags)
{
BYTE chars[2];
if (ToAsciiEx(vkey, scancode, keystate, (WORD*)chars, 0, GetKeyboardLayout(0)) == 1) {
return MultiByteToWideChar(codepage, 0, chars, 1, wchars, wsize);
}
return 0;
}
845
#endif /* !NO_GETKEYBOARDSTATE */