/
SDL_BWin.h
558 lines (523 loc) · 14.3 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
23
24
25
*/
#ifndef _SDL_BWin_h
#define _SDL_BWin_h
26
27
#include "SDL_config.h"
28
29
30
31
#include <stdio.h>
#include <AppKit.h>
#include <InterfaceKit.h>
#include <be/game/DirectWindow.h>
32
#if SDL_VIDEO_OPENGL
33
34
#include <be/opengl/GLView.h>
#endif
35
#include <support/UTF8.h>
36
37
#include "../../main/beos/SDL_BeApp.h"
38
39
40
41
#include "SDL_events.h"
#include "SDL_BView.h"
extern "C" {
42
#include "../../events/SDL_events_c.h"
43
44
45
46
47
48
49
};
class SDL_BWin : public BDirectWindow
{
public:
SDL_BWin(BRect bounds) :
BDirectWindow(bounds, "Untitled", B_TITLED_WINDOW, 0) {
50
51
52
InitKeyboard();
last_buttons = 0;
53
the_view = NULL;
54
#if SDL_VIDEO_OPENGL
55
56
57
58
59
60
61
SDL_GLView = NULL;
#endif
SDL_View = NULL;
Unlock();
shown = false;
inhibit_resize = false;
}
62
63
64
65
virtual ~SDL_BWin() {
Lock();
if ( the_view ) {
66
#if SDL_VIDEO_OPENGL
67
68
69
70
71
72
73
74
if ( the_view == SDL_GLView ) {
SDL_GLView->UnlockGL();
}
#endif
RemoveChild(the_view);
the_view = NULL;
}
Unlock();
75
#if SDL_VIDEO_OPENGL
76
77
78
79
80
81
82
83
if ( SDL_GLView ) {
delete SDL_GLView;
}
#endif
if ( SDL_View ) {
delete SDL_View;
}
}
84
85
86
87
88
89
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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
virtual void InitKeyboard(void) {
for ( uint i=0; i<SDL_TABLESIZE(keymap); ++i )
keymap[i] = SDLK_UNKNOWN;
keymap[0x01] = SDLK_ESCAPE;
keymap[B_F1_KEY] = SDLK_F1;
keymap[B_F2_KEY] = SDLK_F2;
keymap[B_F3_KEY] = SDLK_F3;
keymap[B_F4_KEY] = SDLK_F4;
keymap[B_F5_KEY] = SDLK_F5;
keymap[B_F6_KEY] = SDLK_F6;
keymap[B_F7_KEY] = SDLK_F7;
keymap[B_F8_KEY] = SDLK_F8;
keymap[B_F9_KEY] = SDLK_F9;
keymap[B_F10_KEY] = SDLK_F10;
keymap[B_F11_KEY] = SDLK_F11;
keymap[B_F12_KEY] = SDLK_F12;
keymap[B_PRINT_KEY] = SDLK_PRINT;
keymap[B_SCROLL_KEY] = SDLK_SCROLLOCK;
keymap[B_PAUSE_KEY] = SDLK_PAUSE;
keymap[0x11] = SDLK_BACKQUOTE;
keymap[0x12] = SDLK_1;
keymap[0x13] = SDLK_2;
keymap[0x14] = SDLK_3;
keymap[0x15] = SDLK_4;
keymap[0x16] = SDLK_5;
keymap[0x17] = SDLK_6;
keymap[0x18] = SDLK_7;
keymap[0x19] = SDLK_8;
keymap[0x1a] = SDLK_9;
keymap[0x1b] = SDLK_0;
keymap[0x1c] = SDLK_MINUS;
keymap[0x1d] = SDLK_EQUALS;
keymap[0x1e] = SDLK_BACKSPACE;
keymap[0x1f] = SDLK_INSERT;
keymap[0x20] = SDLK_HOME;
keymap[0x21] = SDLK_PAGEUP;
keymap[0x22] = SDLK_NUMLOCK;
keymap[0x23] = SDLK_KP_DIVIDE;
keymap[0x24] = SDLK_KP_MULTIPLY;
keymap[0x25] = SDLK_KP_MINUS;
keymap[0x26] = SDLK_TAB;
keymap[0x27] = SDLK_q;
keymap[0x28] = SDLK_w;
keymap[0x29] = SDLK_e;
keymap[0x2a] = SDLK_r;
keymap[0x2b] = SDLK_t;
keymap[0x2c] = SDLK_y;
keymap[0x2d] = SDLK_u;
keymap[0x2e] = SDLK_i;
keymap[0x2f] = SDLK_o;
keymap[0x30] = SDLK_p;
keymap[0x31] = SDLK_LEFTBRACKET;
keymap[0x32] = SDLK_RIGHTBRACKET;
keymap[0x33] = SDLK_BACKSLASH;
keymap[0x34] = SDLK_DELETE;
keymap[0x35] = SDLK_END;
keymap[0x36] = SDLK_PAGEDOWN;
keymap[0x37] = SDLK_KP7;
keymap[0x38] = SDLK_KP8;
keymap[0x39] = SDLK_KP9;
keymap[0x3a] = SDLK_KP_PLUS;
keymap[0x3b] = SDLK_CAPSLOCK;
keymap[0x3c] = SDLK_a;
keymap[0x3d] = SDLK_s;
keymap[0x3e] = SDLK_d;
keymap[0x3f] = SDLK_f;
keymap[0x40] = SDLK_g;
keymap[0x41] = SDLK_h;
keymap[0x42] = SDLK_j;
keymap[0x43] = SDLK_k;
keymap[0x44] = SDLK_l;
keymap[0x45] = SDLK_SEMICOLON;
keymap[0x46] = SDLK_QUOTE;
keymap[0x47] = SDLK_RETURN;
keymap[0x48] = SDLK_KP4;
keymap[0x49] = SDLK_KP5;
keymap[0x4a] = SDLK_KP6;
keymap[0x4b] = SDLK_LSHIFT;
keymap[0x4c] = SDLK_z;
keymap[0x4d] = SDLK_x;
keymap[0x4e] = SDLK_c;
keymap[0x4f] = SDLK_v;
keymap[0x50] = SDLK_b;
keymap[0x51] = SDLK_n;
keymap[0x52] = SDLK_m;
keymap[0x53] = SDLK_COMMA;
keymap[0x54] = SDLK_PERIOD;
keymap[0x55] = SDLK_SLASH;
keymap[0x56] = SDLK_RSHIFT;
keymap[0x57] = SDLK_UP;
keymap[0x58] = SDLK_KP1;
keymap[0x59] = SDLK_KP2;
keymap[0x5a] = SDLK_KP3;
keymap[0x5b] = SDLK_KP_ENTER;
keymap[0x5c] = SDLK_LCTRL;
keymap[0x5d] = SDLK_LALT;
keymap[0x5e] = SDLK_SPACE;
keymap[0x5f] = SDLK_RALT;
keymap[0x60] = SDLK_RCTRL;
keymap[0x61] = SDLK_LEFT;
keymap[0x62] = SDLK_DOWN;
keymap[0x63] = SDLK_RIGHT;
keymap[0x64] = SDLK_KP0;
keymap[0x65] = SDLK_KP_PERIOD;
keymap[0x66] = SDLK_LMETA;
keymap[0x67] = SDLK_RMETA;
keymap[0x68] = SDLK_MENU;
keymap[0x69] = SDLK_EURO;
keymap[0x6a] = SDLK_KP_EQUALS;
keymap[0x6b] = SDLK_POWER;
}
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/* Override the Show() method so we can tell when we've been shown */
virtual void Show(void) {
BWindow::Show();
shown = true;
}
virtual bool Shown(void) {
return (shown);
}
/* If called, the next resize event will not be forwarded to SDL. */
virtual void InhibitResize(void) {
inhibit_resize=true;
}
/* Handle resizing of the window */
virtual void FrameResized(float width, float height) {
if(inhibit_resize)
inhibit_resize = false;
else
SDL_PrivateResize((int)width, (int)height);
}
217
virtual int CreateView(Uint32 flags, Uint32 gl_flags) {
218
219
220
221
222
int retval;
retval = 0;
Lock();
if ( flags & SDL_OPENGL ) {
223
#if SDL_VIDEO_OPENGL
224
225
if ( SDL_GLView == NULL ) {
SDL_GLView = new BGLView(Bounds(), "SDL GLView",
226
227
B_FOLLOW_ALL_SIDES, (B_WILL_DRAW|B_FRAME_EVENTS),
gl_flags);
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
}
if ( the_view != SDL_GLView ) {
if ( the_view ) {
RemoveChild(the_view);
}
AddChild(SDL_GLView);
SDL_GLView->LockGL();
the_view = SDL_GLView;
}
#else
SDL_SetError("OpenGL support not enabled");
retval = -1;
#endif
} else {
if ( SDL_View == NULL ) {
SDL_View = new SDL_BView(Bounds());
}
if ( the_view != SDL_View ) {
if ( the_view ) {
247
#if SDL_VIDEO_OPENGL
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
if ( the_view == SDL_GLView ) {
SDL_GLView->UnlockGL();
}
#endif
RemoveChild(the_view);
}
AddChild(SDL_View);
the_view = SDL_View;
}
}
Unlock();
return(retval);
}
virtual void SetBitmap(BBitmap *bitmap) {
SDL_View->SetBitmap(bitmap);
}
virtual void SetXYOffset(int x, int y) {
265
#if SDL_VIDEO_OPENGL
266
267
268
269
270
271
if ( the_view == SDL_GLView ) {
return;
}
#endif
SDL_View->SetXYOffset(x, y);
}
272
virtual void GetXYOffset(int &x, int &y) {
273
#if SDL_VIDEO_OPENGL
274
275
276
277
278
279
280
281
if ( the_view == SDL_GLView ) {
x = 0;
y = 0;
return;
}
#endif
SDL_View->GetXYOffset(x, y);
}
282
283
284
285
286
287
288
289
290
291
virtual bool BeginDraw(void) {
return(Lock());
}
virtual void DrawAsync(BRect updateRect) {
SDL_View->DrawAsync(updateRect);
}
virtual void EndDraw(void) {
SDL_View->Sync();
Unlock();
}
292
#if SDL_VIDEO_OPENGL
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
virtual void SwapBuffers(void) {
SDL_GLView->UnlockGL();
SDL_GLView->LockGL();
SDL_GLView->SwapBuffers();
}
#endif
virtual BView *View(void) {
return(the_view);
}
/* Hook functions -- overridden */
virtual void Minimize(bool minimize) {
/* This is only called when mimimized, not when restored */
//SDL_PrivateAppActive(minimize, SDL_APPACTIVE);
BWindow::Minimize(minimize);
}
virtual void WindowActivated(bool active) {
SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS);
}
virtual bool QuitRequested(void) {
if ( SDL_BeAppActive > 0 ) {
SDL_PrivateQuit();
/* We don't ever actually close the window here because
the application should respond to the quit request,
or ignore it as desired.
*/
return(false);
}
return(true); /* Close the app window */
}
323
324
325
326
327
virtual void Quit() {
if (!IsLocked())
Lock();
BDirectWindow::Quit();
}
328
329
330
331
332
333
334
335
virtual int16 Translate2Unicode(const char *buf) {
int32 state, srclen, dstlen;
unsigned char destbuf[2];
Uint16 unicode = 0;
if ((uchar)buf[0] > 127) {
state = 0;
336
srclen = SDL_strlen(buf);
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
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
dstlen = sizeof(destbuf);
convert_from_utf8(B_UNICODE_CONVERSION, buf, &srclen, (char *)destbuf, &dstlen, &state);
unicode = destbuf[0];
unicode <<= 8;
unicode |= destbuf[1];
} else
unicode = buf[0];
/* For some reason function keys map to control characters */
# define CTRL(X) ((X)-'@')
switch (unicode) {
case CTRL('A'):
case CTRL('B'):
case CTRL('C'):
case CTRL('D'):
case CTRL('E'):
case CTRL('K'):
case CTRL('L'):
case CTRL('P'):
if ( ! (SDL_GetModState() & KMOD_CTRL) )
unicode = 0;
break;
/* Keyboard input maps newline to carriage return */
case '\n':
unicode = '\r';
break;
default:
break;
}
return unicode;
}
virtual void DispatchMessage(BMessage *msg, BHandler *target) {
switch (msg->what) {
case B_MOUSE_MOVED:
{
BPoint where;
int32 transit;
if (msg->FindPoint("where", &where) == B_OK && msg->FindInt32("be:transit", &transit) == B_OK) {
if (transit == B_EXITED_VIEW) {
if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) {
SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
be_app->SetCursor(B_HAND_CURSOR);
}
} else {
int x, y;
if ( ! (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
SDL_SetCursor(NULL);
}
GetXYOffset(x, y);
x = (int)where.x - x;
y = (int)where.y - y;
SDL_PrivateMouseMotion(0, 0, x, y);
}
}
break;
}
case B_MOUSE_DOWN:
{
/* it looks like mouse down is send only for first clicked
button, each next is not send while last one is holded */
int32 buttons;
int sdl_buttons = 0;
if (msg->FindInt32("buttons", &buttons) == B_OK) {
/* Add any mouse button events */
if (buttons & B_PRIMARY_MOUSE_BUTTON) {
sdl_buttons |= SDL_BUTTON_LEFT;
}
if (buttons & B_SECONDARY_MOUSE_BUTTON) {
sdl_buttons |= SDL_BUTTON_RIGHT;
}
if (buttons & B_TERTIARY_MOUSE_BUTTON) {
sdl_buttons |= SDL_BUTTON_MIDDLE;
}
SDL_PrivateMouseButton(SDL_PRESSED, sdl_buttons, 0, 0);
last_buttons = buttons;
}
break;
}
case B_MOUSE_UP:
{
/* mouse up doesn't give which button was released,
only state of buttons (after release, so it's always = 0),
425
which is not what we need ;]
426
427
So we need to store button in mouse down, and restore
in mouse up :(
428
429
430
431
mouse up is (similarly to mouse down) send only for
first button down (ie. it's no send if we click another button
without releasing previous one first) - but that's probably
because of how drivers are written?, not BeOS itself. */
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
int32 buttons;
int sdl_buttons = 0;
if (msg->FindInt32("buttons", &buttons) == B_OK) {
/* Add any mouse button events */
if ((buttons ^ B_PRIMARY_MOUSE_BUTTON) & last_buttons) {
sdl_buttons |= SDL_BUTTON_LEFT;
}
if ((buttons ^ B_SECONDARY_MOUSE_BUTTON) & last_buttons) {
sdl_buttons |= SDL_BUTTON_RIGHT;
}
if ((buttons ^ B_TERTIARY_MOUSE_BUTTON) & last_buttons) {
sdl_buttons |= SDL_BUTTON_MIDDLE;
}
SDL_PrivateMouseButton(SDL_RELEASED, sdl_buttons, 0, 0);
last_buttons = buttons;
}
break;
}
case B_MOUSE_WHEEL_CHANGED:
{
float x, y;
x = y = 0;
if (msg->FindFloat("be:wheel_delta_x", &x) == B_OK && msg->FindFloat("be:wheel_delta_y", &y) == B_OK) {
if (x < 0 || y < 0) {
SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
} else if (x > 0 || y > 0) {
SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
}
}
break;
}
case B_KEY_DOWN:
case B_UNMAPPED_KEY_DOWN: /* modifier keys are unmapped */
{
int32 key;
int32 modifiers;
473
474
475
476
477
int32 key_repeat;
/* Workaround for SDL message queue being filled too fast because of BeOS own key-repeat mechanism */
if (msg->FindInt32("be:key_repeat", &key_repeat) == B_OK && key_repeat > 0)
break;
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
if (msg->FindInt32("key", &key) == B_OK && msg->FindInt32("modifiers", &modifiers) == B_OK) {
SDL_keysym keysym;
keysym.scancode = key;
if (key < 128) {
keysym.sym = keymap[key];
} else {
keysym.sym = SDLK_UNKNOWN;
}
/* FIX THIS?
it seems SDL_PrivateKeyboard() changes mod value
anyway, and doesn't care about what we setup here */
keysym.mod = KMOD_NONE;
keysym.unicode = 0;
if (SDL_TranslateUNICODE) {
const char *bytes;
if (msg->FindString("bytes", &bytes) == B_OK) {
/* FIX THIS?
this cares only about first "letter",
so if someone maps some key to print
"BeOS rulez!" only "B" will be used. */
keysym.unicode = Translate2Unicode(bytes);
}
}
SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
}
break;
}
case B_KEY_UP:
case B_UNMAPPED_KEY_UP: /* modifier keys are unmapped */
{
int32 key;
int32 modifiers;
if (msg->FindInt32("key", &key) == B_OK && msg->FindInt32("modifiers", &modifiers) == B_OK) {
SDL_keysym keysym;
keysym.scancode = key;
if (key < 128) {
keysym.sym = keymap[key];
} else {
keysym.sym = SDLK_UNKNOWN;
}
keysym.mod = KMOD_NONE; /* FIX THIS? */
keysym.unicode = 0;
if (SDL_TranslateUNICODE) {
const char *bytes;
if (msg->FindString("bytes", &bytes) == B_OK) {
keysym.unicode = Translate2Unicode(bytes);
}
}
SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
}
break;
}
default:
/* move it after switch{} so it's always handled
that way we keep BeOS feautures like:
- CTRL+Q to close window (and other shortcuts)
- PrintScreen to make screenshot into /boot/home
- etc.. */
//BDirectWindow::DispatchMessage(msg, target);
break;
}
BDirectWindow::DispatchMessage(msg, target);
}
544
private:
545
#if SDL_VIDEO_OPENGL
546
547
548
549
550
551
552
BGLView *SDL_GLView;
#endif
SDL_BView *SDL_View;
BView *the_view;
bool shown;
bool inhibit_resize;
553
554
555
int32 last_buttons;
SDLKey keymap[128];
556
557
558
};
#endif /* _SDL_BWin_h */