This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_cocoawindow.m
639 lines (546 loc) · 18.3 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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
Lesser General Public License for more details.
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
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_syswm.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_keyboard_c.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_windowevents_c.h"
#include "SDL_cocoavideo.h"
static __inline__ void ConvertNSRect(NSRect *r)
{
r->origin.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - r->origin.y - r->size.height;
}
@implementation Cocoa_WindowListener
- (void)listen:(SDL_WindowData *)data
{
NSNotificationCenter *center;
_data = data;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:self];
if ([_data->window delegate] != nil) {
[center addObserver:self selector:@selector(windowDisExpose:) name:NSWindowDidExposeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResize:) name:NSWindowDidResizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMiniaturize:) name:NSWindowDidMiniaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidDeminiaturize:) name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidBecomeKey:) name:NSWindowDidBecomeKeyNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResignKey:) name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:self];
}
[center addObserver:self selector:@selector(windowDidHide:) name:NSApplicationDidHideNotification object:NSApp];
[center addObserver:self selector:@selector(windowDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp];
[_data->window setAcceptsMouseMovedEvents:YES];
}
- (void)close
{
NSNotificationCenter *center;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:nil];
if ([_data->window delegate] != self) {
[center removeObserver:self name:NSWindowDidExposeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMoveNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMiniaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidBecomeKeyNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:nil];
}
[center removeObserver:self name:NSApplicationDidHideNotification object:NSApp];
[center removeObserver:self name:NSApplicationDidUnhideNotification object:NSApp];
}
- (BOOL)windowShouldClose:(id)sender
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
return NO;
}
- (void)windowDidExpose:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_EXPOSED, 0, 0);
}
- (void)windowDidMove:(NSNotification *)aNotification
{
int x, y;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
ConvertNSRect(&rect);
103
104
x = (int)rect.origin.x;
y = (int)rect.origin.y;
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
}
- (void)windowDidResize:(NSNotification *)aNotification
{
int w, h;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
w = (int)rect.size.width;
h = (int)rect.size.height;
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESIZED, w, h);
}
- (void)windowDidMiniaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
- (void)windowDidDeminiaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESTORED, 0, 0);
}
- (void)windowDidBecomeKey:(NSNotification *)aNotification
{
129
130
int index;
131
/* We're going to get keyboard events, since we're key. */
132
133
index = _data->videodata->keyboard;
SDL_SetKeyboardFocus(index, _data->windowID);
134
135
136
137
}
- (void)windowDidResignKey:(NSNotification *)aNotification
{
138
int index;
139
140
141
142
143
144
145
146
SDL_Mouse *mouse;
/* Some other window will get mouse events, since we're not key. */
index = _data->videodata->mouse;
mouse = SDL_GetMouse(index);
if (mouse->focus == _data->windowID) {
SDL_SetMouseFocus(index, 0);
}
147
148
/* Some other window will get keyboard events, since we're not key. */
149
150
index = _data->videodata->keyboard;
SDL_SetKeyboardFocus(index, 0);
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
}
- (void)windowDidHide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
}
- (void)windowDidUnhide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
}
- (void)mouseDown:(NSEvent *)theEvent
{
int index;
166
int button;
167
168
index = _data->videodata->mouse;
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_PRESSED, button);
184
185
186
187
}
- (void)rightMouseDown:(NSEvent *)theEvent
{
188
[self mouseDown:theEvent];
189
190
191
192
}
- (void)otherMouseDown:(NSEvent *)theEvent
{
193
[self mouseDown:theEvent];
194
195
196
197
198
}
- (void)mouseUp:(NSEvent *)theEvent
{
int index;
199
int button;
200
201
index = _data->videodata->mouse;
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_RELEASED, button);
217
218
219
220
}
- (void)rightMouseUp:(NSEvent *)theEvent
{
221
[self mouseUp:theEvent];
222
223
224
225
}
- (void)otherMouseUp:(NSEvent *)theEvent
{
226
[self mouseUp:theEvent];
227
228
229
230
}
- (void)mouseMoved:(NSEvent *)theEvent
{
231
SDL_Window *window = SDL_GetWindowFromID(_data->windowID);
232
233
234
int index;
SDL_Mouse *mouse;
NSPoint point;
235
NSRect rect;
236
237
238
239
240
index = _data->videodata->mouse;
mouse = SDL_GetMouse(index);
point = [NSEvent mouseLocation];
241
242
243
if ( (window->flags & SDL_WINDOW_FULLSCREEN) ) {
rect.size.width = CGDisplayPixelsWide(kCGDirectMainDisplay);
rect.size.height = CGDisplayPixelsHigh(kCGDirectMainDisplay);
244
point.x = point.x - rect.origin.x;
245
246
point.y = rect.size.height - point.y;
} else {
247
248
point.x -= window->x;
point.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - point.y - window->y;
249
}
250
251
if ( point.x < 0 || point.x >= window->w ||
point.y < 0 || point.y >= window->h ) {
252
253
254
255
256
257
258
if (mouse->focus != 0) {
SDL_SetMouseFocus(index, 0);
}
} else {
if (mouse->focus != _data->windowID) {
SDL_SetMouseFocus(index, _data->windowID);
}
259
SDL_SendMouseMotion(index, 0, (int)point.x, (int)point.y, 0);
260
}
261
262
}
263
264
265
266
267
- (void)mouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
268
269
270
271
272
273
274
275
276
277
- (void)rightMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
- (void)otherMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
278
279
- (void)scrollWheel:(NSEvent *)theEvent
{
280
281
282
int index;
index = _data->videodata->mouse;
283
SDL_SendMouseWheel(index, (int)([theEvent deltaX]+0.9f), (int)([theEvent deltaY]+0.9f));
284
285
286
287
}
@end
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
@interface SDLWindow : NSWindow
/* These are needed for borderless/fullscreen windows */
- (BOOL)canBecomeKeyWindow;
- (BOOL)canBecomeMainWindow;
@end
@implementation SDLWindow
- (BOOL)canBecomeKeyWindow
{
return YES;
}
- (BOOL)canBecomeMainWindow
{
return YES;
}
@end
306
static int
307
SetupWindowData(_THIS, SDL_Window * window, NSWindow *nswindow, SDL_bool created)
308
309
{
NSAutoreleasePool *pool;
310
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
311
SDL_DisplayData *displaydata = (SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
312
313
314
315
316
317
318
319
320
321
322
SDL_WindowData *data;
/* Allocate the window data */
data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->windowID = window->id;
data->window = nswindow;
data->created = created;
323
data->display = displaydata->display;
324
data->videodata = videodata;
325
326
327
328
329
330
331
332
333
334
335
pool = [[NSAutoreleasePool alloc] init];
/* Create an event listener for the window */
data->listener = [[Cocoa_WindowListener alloc] init];
[data->listener listen:data];
/* Fill in the SDL window with the window data */
{
NSRect rect = [nswindow contentRectForFrameRect:[nswindow frame]];
ConvertNSRect(&rect);
336
337
window->x = (int)rect.origin.x;
window->y = (int)rect.origin.y;
338
339
340
341
342
343
344
345
346
347
348
window->w = (int)rect.size.width;
window->h = (int)rect.size.height;
}
if ([nswindow isVisible]) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
{
unsigned int style = [nswindow styleMask];
349
if ((style & ~NSResizableWindowMask) == NSBorderlessWindowMask) {
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
window->flags |= SDL_WINDOW_BORDERLESS;
} else {
window->flags &= ~SDL_WINDOW_BORDERLESS;
}
if (style & NSResizableWindowMask) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
}
if ([nswindow isZoomed]) {
window->flags |= SDL_WINDOW_MAXIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MAXIMIZED;
}
if ([nswindow isMiniaturized]) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
if ([nswindow isKeyWindow]) {
int index = data->videodata->keyboard;
window->flags |= SDL_WINDOW_INPUT_FOCUS;
SDL_SetKeyboardFocus(index, data->windowID);
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
/* FIXME */
}
}
/* All done! */
[pool release];
window->driverdata = data;
return 0;
}
int
Cocoa_CreateWindow(_THIS, SDL_Window * window)
{
389
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
390
NSWindow *nswindow;
391
SDL_DisplayData *displaydata = (SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
392
393
394
NSRect rect;
unsigned int style;
NSString *title;
395
int status;
396
397
rect = CGDisplayBounds(displaydata->display);
398
399
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->x == SDL_WINDOWPOS_CENTERED) {
400
401
rect.origin.x += (rect.size.width - window->w) / 2;
} else if (window->x != SDL_WINDOWPOS_UNDEFINED) {
402
rect.origin.x = window->x;
403
}
404
405
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->y == SDL_WINDOWPOS_CENTERED) {
406
407
rect.origin.y += (rect.size.height - window->h) / 2;
} else if (window->x != SDL_WINDOWPOS_UNDEFINED) {
408
rect.origin.y = window->y;
409
410
411
412
413
414
415
416
417
418
419
420
421
422
}
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
if (window->flags & SDL_WINDOW_BORDERLESS) {
style = NSBorderlessWindowMask;
} else {
style = (NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask);
}
if (window->flags & SDL_WINDOW_RESIZABLE) {
style |= NSResizableWindowMask;
}
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
/* Figure out which screen to place this window */
NSArray *screens = [NSScreen screens];
NSScreen *screen = nil;
NSScreen *candidate;
for (candidate in screens) {
NSRect screenRect = [candidate frame];
if (rect.origin.x >= screenRect.origin.x &&
rect.origin.x < screenRect.origin.x + screenRect.size.width &&
rect.origin.y >= screenRect.origin.y &&
rect.origin.y < screenRect.origin.y + screenRect.size.height) {
screen = candidate;
rect.origin.x -= screenRect.origin.x;
rect.origin.y -= screenRect.origin.y;
}
}
nswindow = [[SDLWindow alloc] initWithContentRect:rect styleMask:style backing:NSBackingStoreBuffered defer:FALSE screen:screen];
439
440
441
[pool release];
442
if (SetupWindowData(_this, window, nswindow, SDL_TRUE) < 0) {
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
[nswindow release];
return -1;
}
return 0;
}
int
Cocoa_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
NSAutoreleasePool *pool;
NSWindow *nswindow = (NSWindow *) data;
NSString *title;
int status;
pool = [[NSAutoreleasePool alloc] init];
/* Query the title from the existing window */
title = [nswindow title];
if (title) {
window->title = SDL_strdup([title UTF8String]);
}
[pool release];
467
return SetupWindowData(_this, window, nswindow, SDL_FALSE);
468
469
470
471
472
}
void
Cocoa_SetWindowTitle(_THIS, SDL_Window * window)
{
473
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
474
475
476
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSString *string;
477
478
479
480
481
if(window->title) {
string = [[NSString alloc] initWithUTF8String:window->title];
} else {
string = [[NSString alloc] init];
}
482
483
[nswindow setTitle:string];
[string release];
484
485
[pool release];
486
487
488
489
490
}
void
Cocoa_SetWindowPosition(_THIS, SDL_Window * window)
{
491
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
492
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
493
SDL_DisplayData *displaydata = (SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
494
495
NSRect rect;
496
rect = CGDisplayBounds(displaydata->display);
497
498
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->x == SDL_WINDOWPOS_CENTERED) {
499
rect.origin.x += (rect.size.width - window->w) / 2;
500
} else {
501
rect.origin.x = window->x;
502
503
504
}
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->y == SDL_WINDOWPOS_CENTERED) {
505
rect.origin.y += (rect.size.height - window->h) / 2;
506
} else {
507
rect.origin.y = window->y;
508
}
509
510
511
512
513
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
rect = [nswindow frameRectForContentRect:rect];
[nswindow setFrameOrigin:rect.origin];
514
[pool release];
515
516
517
518
519
}
void
Cocoa_SetWindowSize(_THIS, SDL_Window * window)
{
520
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
521
522
523
524
525
526
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSSize size;
size.width = window->w;
size.height = window->h;
[nswindow setContentSize:size];
527
[pool release];
528
529
530
531
532
}
void
Cocoa_ShowWindow(_THIS, SDL_Window * window)
{
533
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
534
535
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
536
537
538
if (![nswindow isMiniaturized]) {
[nswindow makeKeyAndOrderFront:nil];
}
539
[pool release];
540
541
542
543
544
}
void
Cocoa_HideWindow(_THIS, SDL_Window * window)
{
545
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
546
547
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
548
549
[nswindow orderOut:nil];
[pool release];
550
551
552
553
554
}
void
Cocoa_RaiseWindow(_THIS, SDL_Window * window)
{
555
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
556
557
558
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
[nswindow makeKeyAndOrderFront:nil];
559
[pool release];
560
561
562
563
564
}
void
Cocoa_MaximizeWindow(_THIS, SDL_Window * window)
{
565
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
566
567
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
568
[nswindow zoom:nil];
569
[pool release];
570
571
572
573
574
}
void
Cocoa_MinimizeWindow(_THIS, SDL_Window * window)
{
575
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
576
577
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
578
[nswindow miniaturize:nil];
579
[pool release];
580
581
582
583
584
}
void
Cocoa_RestoreWindow(_THIS, SDL_Window * window)
{
585
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
586
587
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
588
589
590
591
592
593
if ([nswindow isMiniaturized]) {
[nswindow deminiaturize:nil];
} else if ([nswindow isZoomed]) {
[nswindow zoom:nil];
}
[pool release];
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
}
void
Cocoa_SetWindowGrab(_THIS, SDL_Window * window)
{
if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
/* FIXME: Grab mouse */
} else {
/* FIXME: Release mouse */
}
}
void
Cocoa_DestroyWindow(_THIS, SDL_Window * window)
{
610
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
611
612
613
614
615
616
617
618
619
620
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
if (data) {
[data->listener close];
[data->listener release];
if (data->created) {
[data->window close];
}
SDL_free(data);
}
621
[pool release];
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
}
SDL_bool
Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
{
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
if (info->version.major <= SDL_MAJOR_VERSION) {
//info->window = nswindow;
return SDL_TRUE;
} else {
SDL_SetError("Application not compiled with SDL %d.%d\n",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
}
/* vi: set ts=4 sw=4 expandtab: */