forked from mattjr/structured
-
Notifications
You must be signed in to change notification settings - Fork 0
/
GraphicsWindowCarbon.cpp
1150 lines (898 loc) · 41.7 KB
/
GraphicsWindowCarbon.cpp
1
2
3
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
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
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
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
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
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
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
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
425
426
427
428
429
430
431
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
473
474
475
476
477
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
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
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
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* 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
* OpenSceneGraph Public License for more details.
*/
#ifdef __APPLE__
#include <osg/observer_ptr>
#include "PixelBufferCarbon.h"
#include "GraphicsWindowCarbon.h"
#include <Carbon/Carbon.h>
#include <OpenGL/OpenGL.h>
using namespace osgViewer;
// Carbon-Eventhandler to handle the click in the close-widget and the resize of windows
static pascal OSStatus GraphicsWindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void* userData)
{
WindowRef window;
Rect bounds;
OSStatus result = eventNotHandledErr; /* report failure by default */
result = CallNextEventHandler (nextHandler, event);
GraphicsWindowCarbon* w = (GraphicsWindowCarbon*)userData;
if (!w)
return result;
GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL,
sizeof(window), NULL, &window);
switch(GetEventClass(event))
{
case kEventClassTablet:
case kEventClassMouse:
if (w->handleMouseEvent(event))
result = noErr;
break;
case kEventClassKeyboard:
if (w->handleKeyboardEvent(event))
result = noErr;
break;
case kEventClassWindow: {
switch (GetEventKind(event))
{
case kEventWindowBoundsChanging:
// left the code for live-resizing, but it is not used, because of window-refreshing issues...
GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &bounds );
w->resized(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top);
w->getEventQueue()->windowResize(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top, w->getEventQueue()->getTime());
w->requestRedraw();
result = noErr;
break;
case kEventWindowBoundsChanged:
InvalWindowRect(window, GetWindowPortBounds(window, &bounds));
GetWindowBounds(window, kWindowContentRgn, &bounds);
w->resized(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top);
w->getEventQueue()->windowResize(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top, w->getEventQueue()->getTime());
result = noErr;
break;
case kEventWindowClosed:
w->requestClose();
break;
default:
break;
}
}
default:
break;
}
return result;
}
static bool s_quit_requested = false;
// Application eventhandler -- listens for a quit-event
static pascal OSStatus ApplicationEventHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
HICommand commandStruct;
OSErr err = eventNotHandledErr;
GetEventParameter (inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &commandStruct);
switch(commandStruct.commandID) {
case kHICommandQuit:
s_quit_requested = true;
err = noErr;
break;
}
return err;
}
// AppleEventHandler, listens to the Quit-AppleEvent
static pascal OSErr QuitAppleEventHandler(const AppleEvent *theAppleEvent, AppleEvent *reply, long handlerRefcon ) {
s_quit_requested = true;
return (noErr);
}
namespace osgViewer
{
// small helper class which maps the raw key codes to osgGA::GUIEventAdapter::Keys
class OSXKeyboardMap {
public:
OSXKeyboardMap()
{
_keymap[53 ] = osgGA::GUIEventAdapter::KEY_Escape;
_keymap[115 ] = osgGA::GUIEventAdapter::KEY_Home;
_keymap[76 ] = osgGA::GUIEventAdapter::KEY_KP_Enter;
_keymap[119 ] = osgGA::GUIEventAdapter::KEY_End;
_keymap[36 ] = osgGA::GUIEventAdapter::KEY_Return;
_keymap[116 ] = osgGA::GUIEventAdapter::KEY_Page_Up;
_keymap[121 ] = osgGA::GUIEventAdapter::KEY_Page_Down;
_keymap[123 ] = osgGA::GUIEventAdapter::KEY_Left;
_keymap[124 ] = osgGA::GUIEventAdapter::KEY_Right;
_keymap[126 ] = osgGA::GUIEventAdapter::KEY_Up;
_keymap[125 ] = osgGA::GUIEventAdapter::KEY_Down;
_keymap[51 ] = osgGA::GUIEventAdapter::KEY_BackSpace;
_keymap[48 ] = osgGA::GUIEventAdapter::KEY_Tab;
_keymap[49 ] = osgGA::GUIEventAdapter::KEY_Space;
_keymap[117 ] = osgGA::GUIEventAdapter::KEY_Delete;
_keymap[122 ] = osgGA::GUIEventAdapter::KEY_F1;
_keymap[120 ] = osgGA::GUIEventAdapter::KEY_F2;
_keymap[99 ] = osgGA::GUIEventAdapter::KEY_F3;
_keymap[118 ] = osgGA::GUIEventAdapter::KEY_F4;
_keymap[96 ] = osgGA::GUIEventAdapter::KEY_F5;
_keymap[97 ] = osgGA::GUIEventAdapter::KEY_F6;
_keymap[98 ] = osgGA::GUIEventAdapter::KEY_F7;
_keymap[100 ] = osgGA::GUIEventAdapter::KEY_F8;
_keymap[101 ] = osgGA::GUIEventAdapter::KEY_F9;
_keymap[109 ] = osgGA::GUIEventAdapter::KEY_F10;
_keymap[103 ] = osgGA::GUIEventAdapter::KEY_F11;
_keymap[111 ] = osgGA::GUIEventAdapter::KEY_F12;
_keymap[75 ] = osgGA::GUIEventAdapter::KEY_KP_Divide;
_keymap[67 ] = osgGA::GUIEventAdapter::KEY_KP_Multiply;
_keymap[78 ] = osgGA::GUIEventAdapter::KEY_KP_Subtract;
_keymap[69 ] = osgGA::GUIEventAdapter::KEY_KP_Add;
_keymap[89 ] = osgGA::GUIEventAdapter::KEY_KP_Home;
_keymap[91 ] = osgGA::GUIEventAdapter::KEY_KP_Up;
_keymap[92 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Up;
_keymap[86 ] = osgGA::GUIEventAdapter::KEY_KP_Left;
_keymap[87 ] = osgGA::GUIEventAdapter::KEY_KP_Begin;
_keymap[88 ] = osgGA::GUIEventAdapter::KEY_KP_Right;
_keymap[83 ] = osgGA::GUIEventAdapter::KEY_KP_End;
_keymap[84 ] = osgGA::GUIEventAdapter::KEY_KP_Down;
_keymap[85 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Down;
_keymap[82 ] = osgGA::GUIEventAdapter::KEY_KP_Insert;
_keymap[65 ] = osgGA::GUIEventAdapter::KEY_KP_Delete;
}
~OSXKeyboardMap() {
}
unsigned int remapKey(unsigned int key, unsigned int rawkey)
{
KeyMap::iterator itr = _keymap.find(rawkey);
if (itr == _keymap.end()) return key;
else return itr->second;
}
private:
typedef std::map<unsigned int, osgGA::GUIEventAdapter::KeySymbol> KeyMap;
KeyMap _keymap;
};
/** remaps a native os x keycode to a GUIEventAdapter-keycode */
static unsigned int remapOSXKey(unsigned int key, unsigned int rawkey)
{
static OSXKeyboardMap s_OSXKeyboardMap;
return s_OSXKeyboardMap.remapKey(key,rawkey);
}
#pragma mark * * * MenubarController * * *
/** the MenubarController class checks all open windows if they intersect with the menubar / dock and hide the menubar/dock if necessary */
class MenubarController : public osg::Referenced
{
public:
MenubarController() :
osg::Referenced(),
_list(),
_menubarShown(false)
{
// the following code will query the system for the available ect on the main-display (typically the displaying showing the menubar + the dock
GDHandle mainScreenDevice;
DMGetGDeviceByDisplayID((DisplayIDType) CGMainDisplayID(), &mainScreenDevice, true);
GetAvailableWindowPositioningBounds (mainScreenDevice, &_availRect);
// now we need the rect of the main-display including the menubar and the dock
_mainScreenBounds = CGDisplayBounds( CGMainDisplayID() );
// hide the menubar initially
SetSystemUIMode(kUIModeAllHidden, kUIOptionAutoShowMenuBar);
}
static MenubarController* instance();
void attachWindow(GraphicsWindowCarbon* win);
void update();
void detachWindow(GraphicsWindowCarbon* win);
private:
typedef std::list< osg::observer_ptr< GraphicsWindowCarbon > > WindowList;
WindowList _list;
bool _menubarShown;
Rect _availRect;
CGRect _mainScreenBounds;
};
MenubarController* MenubarController::instance()
{
static osg::ref_ptr<MenubarController> s_menubar_controller = new MenubarController();
return s_menubar_controller.get();
}
void MenubarController::attachWindow(GraphicsWindowCarbon* win)
{
_list.push_back(win);
update();
}
void MenubarController::detachWindow(GraphicsWindowCarbon* win)
{
for(WindowList::iterator i = _list.begin(); i != _list.end(); ) {
if ((*i).get() == win)
i = _list.erase(i);
else
++i;
}
update();
}
// iterate through all open windows and check, if they intersect the area occupied by the menubar/dock, and if so, hide the menubar/dock
void MenubarController::update()
{
OSErr error(noErr);
unsigned int windowsCoveringMenubarArea = 0;
unsigned int windowsIntersectingMainScreen = 0;
for(WindowList::iterator i = _list.begin(); i != _list.end(); ) {
if ((*i).valid()) {
GraphicsWindowCarbon* w = (*i).get();
Rect windowBounds;
error = GetWindowBounds(w->getNativeWindowRef(), kWindowStructureRgn, &windowBounds);
bool intersect = !( (_mainScreenBounds.origin.x > windowBounds.right) ||
(_mainScreenBounds.origin.x + _mainScreenBounds.size.width < windowBounds.left) ||
(_mainScreenBounds.origin.y > windowBounds.bottom) ||
(_mainScreenBounds.origin.y + _mainScreenBounds.size.height < windowBounds.top));
if (intersect && !error)
{
++windowsIntersectingMainScreen;
// the window intersects the main-screen, does it intersect with the menubar/dock?
if (((_availRect.top > _mainScreenBounds.origin.y) && (_availRect.top > windowBounds.top)) ||
((_availRect.left > _mainScreenBounds.origin.x) && (_availRect.left > windowBounds.left)) ||
((_availRect.right < _mainScreenBounds.origin.x + _mainScreenBounds.size.width) && (_availRect.right < windowBounds.right)) ||
((_availRect.bottom < _mainScreenBounds.origin.y + _mainScreenBounds.size.height) && (_availRect.bottom < windowBounds.bottom) ))
{
++windowsCoveringMenubarArea;
}
}
++i;
}
else
i= _list.erase(i);
}
// see http://developer.apple.com/technotes/tn2002/tn2062.html for hiding the dock+menubar
if (windowsCoveringMenubarArea && _menubarShown)
error = SetSystemUIMode(kUIModeAllHidden, kUIOptionAutoShowMenuBar);
if (!windowsCoveringMenubarArea && !_menubarShown)
error = SetSystemUIMode(kUIModeNormal, 0);
_menubarShown = !windowsCoveringMenubarArea;
// osg::notify(osg::DEBUG_INFO) << "MenubarController:: " << windowsCoveringMenubarArea << " windows covering the menubar/dock area, " << windowsIntersectingMainScreen << " intersecting mainscreen" << std::endl;
}
#pragma mark * * * OSXWindowingSystemInterface * * *
struct OSXCarbonWindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
{
/** ctor, get a list of all attached displays */
OSXCarbonWindowingSystemInterface() :
_displayCount(0),
_displayIds(NULL)
{
ProcessSerialNumber sn = { 0, kCurrentProcess };
TransformProcessType(&sn,kProcessTransformToForegroundApplication);
SetFrontProcess(&sn);
if( CGGetActiveDisplayList( 0, NULL, &_displayCount ) != CGDisplayNoErr )
osg::notify(osg::WARN) << "OSXCarbonWindowingSystemInterface: could not get # of screens" << std::endl;
_displayIds = new CGDirectDisplayID[_displayCount];
if( CGGetActiveDisplayList( _displayCount, _displayIds, &_displayCount ) != CGDisplayNoErr )
osg::notify(osg::WARN) << "OSXCarbonWindowingSystemInterface: CGGetActiveDisplayList failed" << std::endl;
// register application event handler and AppleEventHandler to get quit-events:
static const EventTypeSpec menueventSpec = {kEventClassCommand, kEventCommandProcess};
OSErr status = InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(ApplicationEventHandler), 1, &menueventSpec, 0, NULL);
status = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP(QuitAppleEventHandler), 0, false);
}
/** dtor */
~OSXCarbonWindowingSystemInterface() {
if (_displayIds)
delete[] _displayIds;
_displayIds = NULL;
}
/** @return a CGDirectDisplayID for a ScreenIdentifier */
inline CGDirectDisplayID getDisplayID(const osg::GraphicsContext::ScreenIdentifier& si) {
if (si.screenNum < _displayCount)
return _displayIds[si.screenNum];
else {
osg::notify(osg::WARN) << "GraphicsWindowCarbon :: invalid screen # " << si.screenNum << ", returning main-screen instead" << std::endl;
return _displayIds[0];
}
}
/** @return count of attached screens */
virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier& si)
{
return _displayCount;
}
/** returns the resolution of a specific display */
virtual void getScreenResolution(const osg::GraphicsContext::ScreenIdentifier& si, unsigned int& width, unsigned int& height)
{
CGDirectDisplayID id = getDisplayID(si);
width = CGDisplayPixelsWide(id);
height = CGDisplayPixelsHigh(id);
}
/** return the top left coord of a specific screen in global screen space */
void getScreenTopLeft(const osg::GraphicsContext::ScreenIdentifier& si, int& x, int& y) {
CGRect bounds = CGDisplayBounds( getDisplayID(si) );
x = static_cast<int>(bounds.origin.x);
y = static_cast<int>(bounds.origin.y);
// osg::notify(osg::DEBUG_INFO) << "topleft of screen " << si.screenNum <<" " << bounds.origin.x << "/" << bounds.origin.y << std::endl;
}
/** helper method to get a value out of a CFDictionary */
static double getDictDouble (CFDictionaryRef refDict, CFStringRef key)
{
double double_value;
CFNumberRef number_value = (CFNumberRef) CFDictionaryGetValue(refDict, key);
if (!number_value) // if can't get a number for the dictionary
return -1; // fail
if (!CFNumberGetValue(number_value, kCFNumberDoubleType, &double_value)) // or if cant convert it
return -1; // fail
return double_value; // otherwise return the long value
}
/** implementation of setScreenResolution */
virtual bool setScreenResolution(const osg::GraphicsContext::ScreenIdentifier& screenIdentifier, unsigned int width, unsigned int height)
{
CGDirectDisplayID displayID = getDisplayID(screenIdentifier);
// add next line and on following line replace hard coded depth and refresh rate
CGRefreshRate refresh = getDictDouble (CGDisplayCurrentMode(displayID), kCGDisplayRefreshRate);
CFDictionaryRef display_mode_values =
CGDisplayBestModeForParametersAndRefreshRate(
displayID,
CGDisplayBitsPerPixel(displayID),
width, height,
refresh,
NULL);
CGDisplaySwitchToMode(displayID, display_mode_values);
return true;
}
/** implementation of setScreenRefreshRate */
virtual bool setScreenRefreshRate(const osg::GraphicsContext::ScreenIdentifier& screenIdentifier, double refreshRate) {
boolean_t success(false);
unsigned width, height;
getScreenResolution(screenIdentifier, width, height);
CGDirectDisplayID displayID = getDisplayID(screenIdentifier);
// add next line and on following line replace hard coded depth and refresh rate
CFDictionaryRef display_mode_values =
CGDisplayBestModeForParametersAndRefreshRate(
displayID,
CGDisplayBitsPerPixel(displayID),
width, height,
refreshRate,
&success);
if (success)
CGDisplaySwitchToMode(displayID, display_mode_values);
return (success != 0);
}
virtual osg::GraphicsContext* createGraphicsContext(osg::GraphicsContext::Traits* traits)
{
if (traits->pbuffer)
{
osg::ref_ptr<osgViewer::PixelBufferCarbon> pbuffer = new PixelBufferCarbon(traits);
if (pbuffer->valid()) return pbuffer.release();
else return 0;
}
else
{
osg::ref_ptr<osgViewer::GraphicsWindowCarbon> window = new GraphicsWindowCarbon(traits);
if (window->valid()) return window.release();
else return 0;
}
}
private:
CGDisplayCount _displayCount;
CGDirectDisplayID* _displayIds;
};
}
#pragma mark * * * GraphicsWindowCarbon * * *
void GraphicsWindowCarbon::init()
{
_windowTitleHeight = 0;
_closeRequested = false;
_ownsWindow = false;
_context = NULL;
_window = NULL;
_pixelFormat = PixelBufferCarbon::createPixelFormat(_traits.get());
if (!_pixelFormat)
osg::notify(osg::WARN) << "GraphicsWindowCarbon::init could not create a valid pixelformat" << std::endl;
_valid = (_pixelFormat != NULL);
_initialized = true;
}
bool GraphicsWindowCarbon::setWindowDecorationImplementation(bool flag)
{
_useWindowDecoration = flag;
if (_realized)
{
OSErr err = noErr;
Rect bounds;
GetWindowBounds(getNativeWindowRef(), kWindowContentRgn, &bounds);
if (_useWindowDecoration)
{
err = ChangeWindowAttributes(getNativeWindowRef(), kWindowStandardDocumentAttributes, kWindowNoTitleBarAttribute | kWindowNoShadowAttribute);
SetWindowBounds(getNativeWindowRef(), kWindowContentRgn, &bounds);
}
else
{
err = ChangeWindowAttributes(getNativeWindowRef(), kWindowNoTitleBarAttribute | kWindowNoShadowAttribute, kWindowStandardDocumentAttributes);
SetWindowBounds(getNativeWindowRef(), kWindowContentRgn, &bounds);
}
if (err != noErr)
{
osg::notify(osg::WARN) << "GraphicsWindowCarbon::setWindowDecoration failed with " << err << std::endl;
return false;
}
// update titlebar-height
Rect titleRect;
GetWindowBounds(_window, kWindowTitleBarRgn, &titleRect);
_windowTitleHeight = abs(titleRect.bottom - titleRect.top);
// sth: I don't know why I have to reattach the context to the window here, If I don't do this I get blank areas, where the titlebar was.
// InvalWindowRect doesn't help here :-/
aglSetDrawable(_context, 0);
aglSetDrawable(_context, GetWindowPort(_window));
MenubarController::instance()->update();
}
return true;
}
WindowAttributes GraphicsWindowCarbon::computeWindowAttributes(bool useWindowDecoration, bool supportsResize) {
WindowAttributes attr;
if (useWindowDecoration)
{
if (supportsResize)
attr = (kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute);
else
attr = (kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute) & ~kWindowResizableAttribute;
}
else
{
attr = kWindowNoTitleBarAttribute | kWindowNoShadowAttribute | kWindowStandardHandlerAttribute;
if (supportsResize)
attr |= kWindowResizableAttribute;
}
return attr;
}
void GraphicsWindowCarbon::installEventHandler() {
// register window event handler to receive resize-events
EventTypeSpec windEventList[] = {
{ kEventClassWindow, kEventWindowBoundsChanged},
{ kEventClassWindow, kEventWindowClosed},
{kEventClassMouse, kEventMouseDown},
{kEventClassMouse, kEventMouseUp},
{kEventClassMouse, kEventMouseMoved},
{kEventClassMouse, kEventMouseDragged},
{kEventClassMouse, kEventMouseWheelMoved},
{kEventClassKeyboard, kEventRawKeyDown},
{kEventClassKeyboard, kEventRawKeyRepeat},
{kEventClassKeyboard, kEventRawKeyUp},
{kEventClassKeyboard, kEventRawKeyModifiersChanged},
{kEventClassKeyboard, kEventHotKeyPressed},
{kEventClassKeyboard, kEventHotKeyReleased},
};
InstallWindowEventHandler(_window, NewEventHandlerUPP(GraphicsWindowEventHandler), GetEventTypeCount(windEventList), windEventList, this, NULL);
}
bool GraphicsWindowCarbon::realizeImplementation()
{
if (!_initialized) init();
if (!_initialized) return false;
if (!_traits) return false;
setWindowDecoration(_traits->windowDecoration);
// move the window to the right screen
OSXCarbonWindowingSystemInterface* wsi = dynamic_cast<OSXCarbonWindowingSystemInterface*>(osg::GraphicsContext::getWindowingSystemInterface());
int screenLeft(0), screenTop(0);
if (wsi) {
wsi->getScreenTopLeft((*_traits), screenLeft, screenTop);
_traits->y += screenTop;
_traits->x += screenLeft;
}
WindowData *windowData = _traits.get() ? dynamic_cast<WindowData*>(_traits->inheritedWindowData.get()) : 0;
_ownsWindow = (windowData) ? (windowData->getNativeWindowRef() == NULL) : true;
if (_ownsWindow) {
// create the window
Rect bounds = {_traits->y, _traits->x, _traits->y + _traits->height, _traits->x + _traits->width};
OSStatus err = 0;
WindowAttributes attr = computeWindowAttributes(_useWindowDecoration, _traits->supportsResize);
err = CreateNewWindow(kDocumentWindowClass, attr, &bounds, &_window);
if (err) {
osg::notify(osg::WARN) << "GraphicsWindowCarbon::realizeImplementation() failed creating a window: " << err << std::endl;
return false;
} else {
osg::notify(osg::INFO) << "GraphicsWindowCarbon::realizeImplementation() - window created with bounds(" << bounds.top << ", " << bounds.left << ", " << bounds.bottom << ", " << bounds.right << ")" << std::endl;
}
}
else {
_window = windowData->getNativeWindowRef();
}
Rect titleRect;
GetWindowBounds(_window, kWindowTitleBarRgn, &titleRect);
_windowTitleHeight = abs(titleRect.bottom - titleRect.top);
if ((_ownsWindow) || (windowData && windowData->installEventHandler()))
installEventHandler();
// set the window title
if (!_traits->windowName.empty()) {
CFStringRef windowtitle = CFStringCreateWithBytes( kCFAllocatorDefault, (const UInt8*)(_traits->windowName.c_str()), _traits->windowName.length(),kCFStringEncodingUTF8, false );
SetWindowTitleWithCFString( _window, windowtitle );
}
// create the context
AGLContext sharedContextCarbon = NULL;
GraphicsWindowCarbon* graphicsWindowCarbon = dynamic_cast<GraphicsWindowCarbon*>(_traits->sharedContext);
if (graphicsWindowCarbon)
{
sharedContextCarbon = graphicsWindowCarbon->getAGLContext();
}
else
{
PixelBufferCarbon* pixelbuffer = dynamic_cast<PixelBufferCarbon*>(_traits->sharedContext);
if (pixelbuffer) {
sharedContextCarbon = pixelbuffer->getAGLContext();
}
}
_context = aglCreateContext (_pixelFormat, sharedContextCarbon);
if (!_context) {
osg::notify(osg::WARN) << "GraphicsWindowCarbon::realizeImplementation failed creating a context: " << aglGetError() << std::endl;
return false;
}
makeCurrent();
if ((_traits->useMultiThreadedOpenGLEngine) && (OpenThreads::GetNumberOfProcessors() > 1)) {
// enable Multi-threaded OpenGL Execution:
CGLError cgerr = kCGLNoError;
CGLContextObj ctx = CGLGetCurrentContext();
#if 0
cgerr = CGLEnable( ctx, kCGLCEMPEngine);
#else
// the above use of kCGLCEMPEngine is not backwards compatible
// so we'll use the raw value of it to keep things compiling on older
// versions of OSX.
cgerr = CGLEnable( ctx, static_cast <CGLContextEnable>(313) );
#endif
if (cgerr != kCGLNoError )
{
osg::notify(osg::INFO) << "GraphicsWindowCarbon:: Multi-threaded OpenGL Execution not available" << std::endl;
}
}
aglSetDrawable(_context, GetWindowPort(_window));
ShowWindow(_window);
//enable vsync
if (_traits->vsync) {
GLint swap = 1;
aglSetInteger (_context, AGL_SWAP_INTERVAL, &swap);
}
MenubarController::instance()->attachWindow(this);
_realized = true;
return _realized;
}
bool GraphicsWindowCarbon::makeCurrentImplementation()
{
return (aglSetCurrentContext(_context) == GL_TRUE);
}
bool GraphicsWindowCarbon::releaseContextImplementation()
{
if (!_realized)
{
osg::notify(osg::NOTICE)<<"Warning: GraphicsWindow not realized, cannot do makeCurrent."<<std::endl;
return false;
}
// osg::notify(osg::NOTICE)<<"makeCurrentImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<","<<_window<<","<<_glxContext<<std::endl;
return (aglSetCurrentContext(NULL) == GL_TRUE);
}
void GraphicsWindowCarbon::closeImplementation()
{
_valid = false;
_realized = false;
MenubarController::instance()->detachWindow(this);
if (_pixelFormat)
{
aglDestroyPixelFormat(_pixelFormat);
_pixelFormat = NULL;
}
if (_context)
{
aglSetDrawable(_context, NULL);
aglSetCurrentContext(NULL);
aglDestroyContext(_context);
_context = NULL;
}
if (_ownsWindow && _window) DisposeWindow(_window);
_window = NULL;
}
void GraphicsWindowCarbon::swapBuffersImplementation()
{
aglSwapBuffers(_context);
}
void GraphicsWindowCarbon::resizedImplementation(int x, int y, int width, int height)
{
GraphicsContext::resizedImplementation(x, y, width, height);
aglUpdateContext(_context);
MenubarController::instance()->update();
}
bool GraphicsWindowCarbon::handleMouseEvent(EventRef theEvent)
{
static unsigned int lastEmulatedMouseButton = 0;
// mouse down event
Point wheresMyMouse;
GetEventParameter (theEvent, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(wheresMyMouse), NULL, &wheresMyMouse);
wheresMyMouse.v -= _windowTitleHeight;
if (_useWindowDecoration && (wheresMyMouse.v < 0))
return false;
Point wheresMyMouseGlobal;
GetEventParameter (theEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(wheresMyMouse), NULL, &wheresMyMouseGlobal);
EventMouseButton mouseButton = 0;
GetEventParameter (theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(mouseButton), NULL, &mouseButton);
UInt32 modifierKeys;
GetEventParameter (theEvent,kEventParamKeyModifiers,typeUInt32, NULL,sizeof(modifierKeys), NULL,&modifierKeys);
WindowRef win;
int fwres = FindWindow(wheresMyMouseGlobal, &win);
if ((fwres != inContent) && (fwres > 0) && (mouseButton >= 1))
{
return false;
}
else
{
// swap right and middle buttons so that middle button is 2, right button is 3.
if (mouseButton==3) mouseButton = 2;
else if (mouseButton==2) mouseButton = 3;
// check tablet pointer device and map it to a musebutton
TabletProximityRec theTabletRecord; // The Tablet Proximity Record
// Extract the Tablet Proximity reccord from the event.
if(noErr == GetEventParameter(theEvent, kEventParamTabletProximityRec,
typeTabletProximityRec, NULL,
sizeof(TabletProximityRec),
NULL, (void *)&theTabletRecord))
{
osgGA::GUIEventAdapter::TabletPointerType pointerType;
switch(theTabletRecord.pointerType)
{
case 1: // pen
pointerType = osgGA::GUIEventAdapter::PEN;
break;
case 2: // puck
pointerType = osgGA::GUIEventAdapter::PUCK;
break;
case 3: //eraser
pointerType = osgGA::GUIEventAdapter::ERASER;
break;
default:
pointerType = osgGA::GUIEventAdapter::UNKNOWN;
break;
}
getEventQueue()->penProximity(pointerType, (theTabletRecord.enterProximity != 0));
}
switch(GetEventKind(theEvent))
{
case kEventMouseDown:
{
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
lastEmulatedMouseButton = 0;
if (mouseButton == 1)
{
if( modifierKeys & cmdKey )
{
mouseButton = lastEmulatedMouseButton = 3;
}
else if( modifierKeys & optionKey )
{
mouseButton = lastEmulatedMouseButton = 2;
}
}
getEventQueue()->mouseButtonPress(mx, my, mouseButton);
}
break;
case kEventMouseUp:
{
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
if (lastEmulatedMouseButton > 0) {
getEventQueue()->mouseButtonRelease(mx, my, lastEmulatedMouseButton);
lastEmulatedMouseButton = 0;
}
else {
getEventQueue()->mouseButtonRelease(mx, my, mouseButton);
}
}
break;
case kEventMouseDragged:
{
// get pressure from the pen, only when mouse/pen is dragged
TabletPointRec theTabletRecord;
if(noErr == GetEventParameter(theEvent, kEventParamTabletPointRec, typeTabletPointRec, NULL,
sizeof(TabletPointRec), NULL, (void *)&theTabletRecord)) {
getEventQueue()->penPressure(theTabletRecord.pressure / 65535.0f);
}
float mx =wheresMyMouse.h;
float my =wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseMotion(mx, my);
}
break;
case kEventMouseMoved:
{
float mx = wheresMyMouse.h;
float my = wheresMyMouse.v;
transformMouseXY(mx, my);
getEventQueue()->mouseMotion(mx, my);
}
break;
// mouse with scroll-wheels
case kEventMouseWheelMoved:
{
EventMouseWheelAxis axis;
SInt32 delta;
if (noErr == GetEventParameter( theEvent, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(axis), NULL, &axis )) {
if (noErr == GetEventParameter( theEvent, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(delta), NULL, &delta )) {
switch (axis) {
case kEventMouseWheelAxisX:
getEventQueue()->mouseScroll( (delta > 0) ? osgGA::GUIEventAdapter::SCROLL_RIGHT : osgGA::GUIEventAdapter::SCROLL_LEFT);
break;
case kEventMouseWheelAxisY:
getEventQueue()->mouseScroll( (delta < 0) ? osgGA::GUIEventAdapter::SCROLL_DOWN : osgGA::GUIEventAdapter::SCROLL_UP);
break;
}
}
}
}
break;
// new trackpads and mighty mouse, (not officially documented, see http://developer.apple.com/qa/qa2005/qa1453.html )
case 11:
{
enum
{
kEventParamMouseWheelSmoothVerticalDelta = 'saxy', // typeSInt32
kEventParamMouseWheelSmoothHorizontalDelta = 'saxx' // typeSInt32
};
SInt32 scroll_delta_x = 0;
SInt32 scroll_delta_y = 0;
OSErr err = noErr;
err = GetEventParameter( theEvent, kEventParamMouseWheelSmoothVerticalDelta, typeLongInteger, NULL, sizeof(scroll_delta_y), NULL, &scroll_delta_y );
err = GetEventParameter( theEvent, kEventParamMouseWheelSmoothHorizontalDelta, typeLongInteger, NULL, sizeof(scroll_delta_x), NULL, &scroll_delta_x );
if ((scroll_delta_x != 0) || (scroll_delta_y != 0)) {
getEventQueue()->mouseScroll2D( scroll_delta_x, scroll_delta_y);
}
}
break;
default:
return false;
}
}
return true;
}
bool GraphicsWindowCarbon::handleKeyboardEvent(EventRef theEvent)
{
OSStatus status;
// Key modifiers, Numlock not supported...
UInt32 modifierKeys;
unsigned int modifierMask = 0;
GetEventParameter (theEvent,kEventParamKeyModifiers,typeUInt32, NULL,sizeof(modifierKeys), NULL,&modifierKeys);
if( modifierKeys & shiftKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
}
if( modifierKeys & alphaLock )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CAPS_LOCK;
}
if( modifierKeys & controlKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
}
if( modifierKeys & optionKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_ALT;
}
// we map the command-key to the META-key
if( modifierKeys & cmdKey )
{
modifierMask |= osgGA::GUIEventAdapter::MODKEY_META;
}
UInt32 rawkey;
GetEventParameter (theEvent,kEventParamKeyCode,typeUInt32, NULL,sizeof(rawkey), NULL,&rawkey);
// std::cout << "key code: " << rawkey << " modifiers: " << modifierKeys << std::endl;
UInt32 dataSize;
/* jbw check return status so that we don't allocate a huge array */
status = GetEventParameter( theEvent, kEventParamKeyUnicodes, typeUnicodeText, NULL, 0, &dataSize, NULL );
if (status != noErr) return false;
if (dataSize<=1) return false;
UniChar* uniChars = new UniChar[dataSize+1];
GetEventParameter( theEvent, kEventParamKeyUnicodes, typeUnicodeText, NULL, dataSize, NULL, (void*)uniChars );
unsigned int keychar = remapOSXKey(static_cast<unsigned long>(uniChars[0]), rawkey);
switch(GetEventKind(theEvent))
{