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
|
// Copyright 2005-2019 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "GlobalShortcut_win.h"
#include "MainWindow.h"
#include "OverlayClient.h"
#include "Utils.h"
// MinGW does not support std::future/std::promise
// at present. Use Boost's implementation for now.
#define BOOST_THREAD_VERSION 4
#include <boost/thread.hpp>
#include <boost/thread/future.hpp>
#include <QtCore/QElapsedTimer>
#include <QtCore/QTimer>
// 3rdparty/xinputcheck-src.
#include <xinputcheck.h>
// We define a global macro called 'g'. This can lead to issues when included code uses 'g' as a type or parameter name (like protobuf 3.7 does). As such, for now, we have to make this our last include.
#include "Global.h"
#undef FAILED
#define FAILED(Status) (static_cast<HRESULT>(Status)<0)
#define DX_SAMPLE_BUFFER_SIZE 512
// from os_win.cpp
extern HWND mumble_mw_hwnd;
/// The QEvent::Type value to use for InjectKeyboardMessageEvent.
#define INJECTKEYBOARDMESSAGE_QEVENT (QEvent::User + 200)
/// The QEvent::Type value to use for InjectKeyboardMouseEvent.
#define INJECTMOUSEMESSAGE_QEVENT (QEvent::User + 201)
/// InjectKeyboardMessageEvent is an event that can be sent to
/// the GlobalShortcutWin engine to inject a native Windows keyboard
/// event into GlobalShortcutWin's event stream.
class InjectKeyboardMessageEvent : public QEvent {
Q_DISABLE_COPY(InjectKeyboardMessageEvent);
public:
boost::promise<bool> m_suppressionPromise;
DWORD m_scancode;
DWORD m_vkcode;
bool m_extended;
bool m_down;
/// Construct a new InjectKeyboardMessageEvent.
///
/// @param scancode The Windows scancode of the button.
/// @param vkcode The Windows virtual keycode of the button.
/// @param extended Indicates whether the button is an extended key in
/// Windows nomenclature. ("[...] such as the right-hand ALT
/// and CTRL keys that appear on an enhanced 101- or 102-key
/// keyboard")
/// @param down The down/pressed status of the keyboard button.
InjectKeyboardMessageEvent(DWORD scancode, DWORD vkcode, bool extended, bool down)
: QEvent(static_cast<QEvent::Type>(INJECTKEYBOARDMESSAGE_QEVENT))
, m_scancode(scancode)
, m_vkcode(vkcode)
, m_extended(extended)
, m_down(down) {}
inline boost::future<bool> shouldSuppress() {
return m_suppressionPromise.get_future();
}
};
/// InjectMouseMessageEvent is an event that can be sent to
/// the GlobalShortcutWin engine to inject a native Windows mouse
/// event into GlobalShortcutWin's event stream.
class InjectMouseMessageEvent : public QEvent {
Q_DISABLE_COPY(InjectMouseMessageEvent);
public:
boost::promise<bool> m_suppressionPromise;
unsigned int m_btn;
bool m_down;
/// Construct a new InjectMouseMessageEvent.
///
/// @param btn The DirectInput button index of the mouse event.
/// @param down The down/pressed status of the mouse button.
InjectMouseMessageEvent(unsigned int btn, bool down)
: QEvent(static_cast<QEvent::Type>(INJECTMOUSEMESSAGE_QEVENT))
, m_btn(btn)
, m_down(down) {}
inline boost::future<bool> shouldSuppress() {
return m_suppressionPromise.get_future();
}
};
uint qHash(const GUID &a) {
uint val = a.Data1 ^ a.Data2 ^ a.Data3;
for (int i=0;i<8;i++)
val += a.Data4[i];
return val;
}
/**
* Returns a platform specific GlobalShortcutEngine object.
*
* @see GlobalShortcutX
* @see GlobalShortcutMac
* @see GlobalShortcutWin
*/
GlobalShortcutEngine *GlobalShortcutEngine::platformInit() {
return new GlobalShortcutWin();
}
GlobalShortcutWin::GlobalShortcutWin()
: pDI(NULL)
, hhMouse(NULL)
, hhKeyboard(NULL)
, uiHardwareDevices(0)
#ifdef USE_GKEY
, gkey(NULL)
#endif
#ifdef USE_XBOXINPUT
, xboxinput(NULL)
, nxboxinput(0)
#endif
{
// Hidden setting to disable hooking
bHook = g.qs->value(QLatin1String("winhooks"), true).toBool();
moveToThread(this);
start(QThread::LowestPriority);
}
GlobalShortcutWin::~GlobalShortcutWin() {
quit();
wait();
}
void GlobalShortcutWin::run() {
if (FAILED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, reinterpret_cast<void **>(&pDI), NULL))) {
qFatal("GlobalShortcutWin: Failed to create d8input");
return;
}
// Print the user's LowLevelHooksTimeout registry key for debugging purposes.
// On Windows 7 and greater, Windows will silently remove badly behaving hooks
// without telling the application. Users can tweak the timeout themselves
// with this registry key.
HKEY key = NULL;
DWORD type = 0;
DWORD value = 0;
DWORD len = sizeof(DWORD);
if (RegOpenKeyExA(HKEY_CURRENT_USER, "Control Panel\\Desktop", 0, KEY_READ, &key) == ERROR_SUCCESS) {
LONG err = RegQueryValueExA(key, "LowLevelHooksTimeout", NULL, &type, reinterpret_cast<LPBYTE>(&value), &len);
if (err == ERROR_SUCCESS && type == REG_DWORD) {
qWarning("GlobalShortcutWin: Found LowLevelHooksTimeout with value = 0x%lx", static_cast<unsigned long>(value));
} else if (err == ERROR_FILE_NOT_FOUND) {
qWarning("GlobalShortcutWin: No LowLevelHooksTimeout registry key found.");
} else {
qWarning("GlobalShortcutWin: Error looking up LowLevelHooksTimeout. (Error: 0x%lx, Type: 0x%lx, Value: 0x%lx)", static_cast<unsigned long>(err), static_cast<unsigned long>(type), static_cast<unsigned long>(value));
}
}
// Wait for MainWindow's constructor to finish before we enumerate DirectInput devices.
// We need to do this because adding a new device requires a Window handle. (SetCooperativeLevel())
while (! g.mw)
this->yieldCurrentThread();
#ifdef USE_GKEY
if (g.s.bEnableGKey) {
gkey = new GKeyLibrary();
qWarning("GlobalShortcutWin: GKeys initialized, isValid: %d", gkey->isValid());
}
#endif
#ifdef USE_XBOXINPUT
if (g.s.bEnableXboxInput) {
xboxinput = new XboxInput();
ZeroMemory(&xboxinputLastPacket, sizeof(xboxinputLastPacket));
qWarning("GlobalShortcutWin: XboxInput initialized, isValid: %d", xboxinput->isValid());
}
#endif
QTimer *timer = new QTimer;
connect(timer, SIGNAL(timeout()), this, SLOT(timeTicked()));
timer->start(20);
setPriority(QThread::TimeCriticalPriority);
exec();
delete timer;
#ifdef USE_GKEY
delete gkey;
#endif
#ifdef USE_XBOXINPUT
delete xboxinput;
#endif
if (bHook) {
if (hhMouse != NULL) {
UnhookWindowsHookEx(hhMouse);
}
if (hhKeyboard != NULL) {
UnhookWindowsHookEx(hhKeyboard);
}
}
foreach(InputDevice *id, qhInputDevices) {
if (id->pDID) {
id->pDID->Unacquire();
id->pDID->Release();
}
delete id;
}
pDI->Release();
}
bool GlobalShortcutWin::event(QEvent *event) {
QEvent::Type type = event->type();
if (type == INJECTKEYBOARDMESSAGE_QEVENT) {
InjectKeyboardMessageEvent *ikme = static_cast<InjectKeyboardMessageEvent *>(event);
bool suppress = handleKeyboardMessage(ikme->m_scancode, ikme->m_vkcode, ikme->m_extended, ikme->m_down);
ikme->m_suppressionPromise.set_value(suppress);
return true;
} else if (type == INJECTMOUSEMESSAGE_QEVENT) {
InjectMouseMessageEvent *imme = static_cast<InjectMouseMessageEvent *>(event);
bool suppress = handleMouseMessage(imme->m_btn, imme->m_down);
imme->m_suppressionPromise.set_value(suppress);
return true;
}
return GlobalShortcutEngine::event(event);
}
bool GlobalShortcutWin::injectKeyboardMessage(MSG *msg) {
if (!bHook) {
return false;
}
// Only allow keyboard messages.
switch (msg->message) {
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
break;
default:
return false;
}
DWORD scancode = (msg->lParam >> 16) & 0xff;
DWORD vkcode = msg->wParam;
bool extended = !!(msg->lParam & 0x01000000);
bool up = !!(msg->lParam & 0x80000000);
InjectKeyboardMessageEvent *ikme = new InjectKeyboardMessageEvent(scancode, vkcode, extended, !up);
boost::future<bool> suppress = ikme->shouldSuppress();
qApp->postEvent(this, ikme);
return suppress.get();
}
bool GlobalShortcutWin::injectMouseMessage(MSG *msg) {
if (!bHook) {
return false;
}
bool down = false;
unsigned int btn = 0;
// Convert the Windows mouse message into a DirectInput
// button index, and store the pressed state of the button.
switch (msg->message) {
case WM_LBUTTONDOWN:
down = true;
case WM_LBUTTONUP:
btn = 3;
break;
case WM_RBUTTONDOWN:
down = true;
case WM_RBUTTONUP:
btn = 4;
break;
case WM_MBUTTONDOWN:
down = true;
case WM_MBUTTONUP:
btn = 5;
break;
case WM_XBUTTONDOWN:
down = true;
case WM_XBUTTONUP: {
unsigned int offset = (msg->wParam >> 16) & 0xffff;
btn = 5 + offset;
}
default:
// Non-mouse event. Return early.
return false;
}
InjectMouseMessageEvent *imme = new InjectMouseMessageEvent(btn, down);
boost::future<bool> suppress = imme->shouldSuppress();
qApp->postEvent(this, imme);
return suppress.get();
}
bool GlobalShortcutWin::handleKeyboardMessage(DWORD scancode, DWORD vkcode, bool extended, bool down) {
GlobalShortcutWin *gsw = static_cast<GlobalShortcutWin *>(engine);
QList<QVariant> ql;
// Convert the low-level key event to
// a DirectInput key ID.
unsigned int keyid = static_cast<unsigned int>((scancode << 8) | 0x4);
if (extended) {
keyid |= 0x8000U;
}
// NumLock and Pause need special handling.
// For those keys, the method above of setting
// bit 15 high when the LLKHF_EXTENDED flag is
// set on the low-level key event does not work.
//
// When we receive a low-level Windows
// Pause key event, the extended flag isn't
// set, but DirectInput expects it to be.
//
// The opposite is true for NumLock key,
// where the extended flag for the low-level
// Windows event is set, but DirectInput expects
// it not to be.
//
// Without this fix-up, we would emit Pause as
// NumLock, and NumLock as pause. That was
// problematic, because at the same time,
// DirectInput would emit the correct key.
// This meant that when pressing one of Pause
// and NumLock, shortcut actions for both keys
// would be triggered.
//
// Originally reported in mumble-voip/mumble#1353
if (vkcode == VK_PAUSE) {
// Always set the extended bit for Pause.
keyid |= 0x8000U;
} else if (vkcode == VK_NUMLOCK) {
// Never set the extended bit for NumLock.
keyid &= ~0x8000U;
}
ql << keyid;
ql << QVariant(QUuid(GUID_SysKeyboard));
bool suppress = gsw->handleButton(ql, down);
return suppress;
}
bool GlobalShortcutWin::handleMouseMessage(unsigned int btn, bool down) {
GlobalShortcutWin *gsw = static_cast<GlobalShortcutWin *>(engine);
bool suppress = false;
if (btn > 0) {
QList<QVariant> ql;
ql << static_cast<unsigned int>((btn << 8) | 0x4);
ql << QVariant(QUuid(GUID_SysMouse));
// Do not suppress LBUTTONUP though (so suppression can be deactivated via mouse).
bool wantsuppress = gsw->handleButton(ql, down);
suppress = wantsuppress && (btn != 3);
}
return suppress;
}
LRESULT CALLBACK GlobalShortcutWin::HookKeyboard(int nCode, WPARAM wParam, LPARAM lParam) {
GlobalShortcutWin *gsw=static_cast<GlobalShortcutWin *>(engine);
KBDLLHOOKSTRUCT *key=reinterpret_cast<KBDLLHOOKSTRUCT *>(lParam);
#ifndef QT_NO_DEBUG
static int safety = 0;
if ((++safety < 100) && (nCode >= 0)) {
#else
if (nCode >= 0) {
#endif
DWORD scancode = key->scanCode;
DWORD vkcode = key->vkCode;
bool extended = !!(key->flags & LLKHF_EXTENDED);
bool up = !!(key->flags & LLKHF_UP);
bool suppress = handleKeyboardMessage(scancode, vkcode, extended, !up);
if (suppress) {
return 1;
}
}
return CallNextHookEx(gsw->hhKeyboard, nCode, wParam, lParam);
}
LRESULT CALLBACK GlobalShortcutWin::HookMouse(int nCode, WPARAM wParam, LPARAM lParam) {
GlobalShortcutWin *gsw=static_cast<GlobalShortcutWin *>(engine);
MSLLHOOKSTRUCT *mouse=reinterpret_cast<MSLLHOOKSTRUCT *>(lParam);
if (nCode >= 0) {
bool suppress = false;
UINT msg = wParam;
// Convert the hooked Windows mouse message into a DirectInput
// button index, and store the pressed state of the button.
bool down = false;
unsigned int btn = 0;
switch (msg) {
case WM_LBUTTONDOWN:
down = true;
case WM_LBUTTONUP:
btn = 3;
break;
case WM_RBUTTONDOWN:
down = true;
case WM_RBUTTONUP:
btn = 4;
break;
case WM_MBUTTONDOWN:
down = true;
case WM_MBUTTONUP:
btn = 5;
break;
case WM_XBUTTONDOWN:
down = true;
case WM_XBUTTONUP:
btn = 5 + (mouse->mouseData >> 16);
default:
break;
}
if (btn > 0) {
suppress = handleMouseMessage(btn, down);
if (suppress) {
return 1;
}
}
}
return CallNextHookEx(gsw->hhMouse, nCode, wParam, lParam);
}
BOOL CALLBACK GlobalShortcutWin::EnumDeviceObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef) {
InputDevice *id=static_cast<InputDevice *>(pvRef);
QString name = QString::fromUtf16(reinterpret_cast<const ushort *>(lpddoi->tszName));
id->qhNames[lpddoi->dwType] = name;
if (g.s.bDirectInputVerboseLogging) {
qWarning("GlobalShortcutWin: EnumObjects: device %s %s object 0x%.8lx %s",
qPrintable(QUuid(id->guid).toString()),
qPrintable(id->name),
static_cast<unsigned long>(lpddoi->dwType),
qPrintable(name));
}
return DIENUM_CONTINUE;
}
BOOL GlobalShortcutWin::EnumDevicesCB(LPCDIDEVICEINSTANCE pdidi, LPVOID pContext) {
GlobalShortcutWin *cbgsw=static_cast<GlobalShortcutWin *>(pContext);
HRESULT hr;
QString name = QString::fromUtf16(reinterpret_cast<const ushort *>(pdidi->tszProductName));
QString sname = QString::fromUtf16(reinterpret_cast<const ushort *>(pdidi->tszInstanceName));
InputDevice *id = new InputDevice;
id->pDID = NULL;
id->name = name;
id->guid = pdidi->guidInstance;
id->vguid = QVariant(QUuid(id->guid).toString());
id->guidproduct = pdidi->guidProduct;
id->vguidproduct = QVariant(QUuid(id->guidproduct).toString());
// Is it an XInput device? Skip it.
//
// This check is not restricted to USE_XBOXINPUT because
// Windows 10 (10586.122, ~March 2016) has issues with
// using XInput devices via DirectInput.
//
// See issues mumble-voip/mumble#2104 and mumble-voip/mumble#2147
// for more information.
if (XInputCheck_IsGuidProductXInputDevice(&id->guidproduct)) {
cbgsw->nxboxinput += 1;
qWarning("GlobalShortcutWin: excluded XInput device '%s' (guid %s guid product %s) from DirectInput",
qPrintable(id->name),
qPrintable(id->vguid.toString()),
qPrintable(id->vguidproduct.toString()));
delete id;
return DIENUM_CONTINUE;
}
// Check for PIDVID at the end of the GUID, as
// per http://stackoverflow.com/q/25622780.
BYTE pidvid[8] = { 0, 0, 'P', 'I', 'D', 'V', 'I', 'D' };
if (memcmp(id->guidproduct.Data4, pidvid, 8) == 0) {
uint16_t vendor_id = id->guidproduct.Data1 & 0xffff;
uint16_t product_id = (id->guidproduct.Data1 >> 16) & 0xffff;
id->vendor_id = vendor_id;
id->product_id = product_id;
} else {
id->vendor_id = 0x00;
id->product_id = 0x00;
}
// Reject devices if they are blacklisted.
//
// Device Name: ODAC-revB
// Vendor/Product ID: 0x262A, 0x1048
// https://github.com/mumble-voip/mumble/issues/1977
//
// Device Name: Aune T1 MK2 - HID-compliant consumer control device
// Vendor/Product ID: 0x262A, 0x1168
// https://github.com/mumble-voip/mumble/issues/1880
//
// For now, we simply disable the 0x262A vendor ID.
//
// 0x26A is SAVITECH Corp.
// http://www.savitech-ic.com/, or
// http://www.saviaudio.com/product.html
// (via https://usb-ids.gowdy.us/read/UD/262a)
//
// In the future, if there are more devices in the
// blacklist, we need a more structured aproach.
{
if (id->vendor_id == 0x262A) {
qWarning("GlobalShortcutWin: rejected blacklisted device %s (GUID: %s, PGUID: %s, VID: 0x%.4x, PID: 0x%.4x, TYPE: 0x%.8lx)",
qPrintable(id->name),
qPrintable(id->vguid.toString()),
qPrintable(id->vguidproduct.toString()),
id->vendor_id,
id->product_id,
static_cast<unsigned long>(pdidi->dwDevType));
delete id;
return DIENUM_CONTINUE;
}
}
foreach(InputDevice *dev, cbgsw->qhInputDevices) {
if (dev->guid == id->guid) {
delete id;
return DIENUM_CONTINUE;
}
}
if (FAILED(hr = cbgsw->pDI->CreateDevice(pdidi->guidInstance, &id->pDID, NULL)))
qFatal("GlobalShortcutWin: CreateDevice: %lx", hr);
if (FAILED(hr = id->pDID->EnumObjects(EnumDeviceObjectsCallback, static_cast<void *>(id), DIDFT_BUTTON)))
qFatal("GlobalShortcutWin: EnumObjects: %lx", hr);
if (id->qhNames.count() > 0) {
QList<DWORD> types = id->qhNames.keys();
qSort(types);
int nbuttons = types.count();
STACKVAR(DIOBJECTDATAFORMAT, rgodf, nbuttons);
DIDATAFORMAT df;
ZeroMemory(&df, sizeof(df));
df.dwSize = sizeof(df);
df.dwObjSize = sizeof(DIOBJECTDATAFORMAT);
df.dwFlags=DIDF_ABSAXIS;
df.dwDataSize = (nbuttons + 3) & (~0x3);
df.dwNumObjs = nbuttons;
df.rgodf = rgodf;
for (int i=0;i<nbuttons;i++) {
ZeroMemory(& rgodf[i], sizeof(DIOBJECTDATAFORMAT));
DWORD dwType = types[i];
DWORD dwOfs = i;
rgodf[i].dwOfs = dwOfs;
rgodf[i].dwType = dwType;
id->qhOfsToType[dwOfs] = dwType;
id->qhTypeToOfs[dwType] = dwOfs;
}
if (FAILED(hr = id->pDID->SetCooperativeLevel(mumble_mw_hwnd, DISCL_NONEXCLUSIVE|DISCL_BACKGROUND)))
qFatal("GlobalShortcutWin: SetCooperativeLevel: %lx", hr);
if (FAILED(hr = id->pDID->SetDataFormat(&df)))
qFatal("GlobalShortcutWin: SetDataFormat: %lx", hr);
DIPROPDWORD dipdw;
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = DX_SAMPLE_BUFFER_SIZE;
if (FAILED(hr = id->pDID->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph)))
qFatal("GlobalShortcutWin: SetProperty: %lx", hr);
qWarning("Adding device %s %s %s:%d type 0x%.8lx guid product %s",
qPrintable(QUuid(id->guid).toString()),
qPrintable(name),
qPrintable(sname),
id->qhNames.count(),
static_cast<unsigned long>(pdidi->dwDevType),
qPrintable(id->vguidproduct.toString()));
cbgsw->qhInputDevices[id->guid] = id;
} else {
id->pDID->Release();
delete id;
}
return DIENUM_CONTINUE;
}
void GlobalShortcutWin::timeTicked() {
if (g.mw->uiNewHardware != uiHardwareDevices) {
uiHardwareDevices = g.mw->uiNewHardware;
XInputCheck_ClearDeviceCache();
nxboxinput = 0;
pDI->EnumDevices(DI8DEVCLASS_ALL, EnumDevicesCB, static_cast<void *>(this), DIEDFL_ATTACHEDONLY);
}
if (bNeedRemap)
remap();
foreach(InputDevice *id, qhInputDevices) {
DIDEVICEOBJECTDATA rgdod[DX_SAMPLE_BUFFER_SIZE];
DWORD dwItems = DX_SAMPLE_BUFFER_SIZE;
HRESULT hr;
hr = id->pDID->Acquire();
switch (hr) {
case DI_OK:
case S_FALSE:
break;
case DIERR_UNPLUGGED:
case DIERR_GENERIC:
qWarning("Removing device %s", qPrintable(QUuid(id->guid).toString()));
id->pDID->Release();
qhInputDevices.remove(id->guid);
delete id;
return;
case DIERR_OTHERAPPHASPRIO:
continue;
default:
break;
}
{
QElapsedTimer timer;
timer.start();
id->pDID->Poll();
// If a call to Poll takes more than
// a second, warn the user that they
// might have a misbehaving device.
if (timer.elapsed() > 1000) {
qWarning("GlobalShortcut_win: Poll() for device %s took %li msec. This is abnormal, the device is possibly misbehaving...", qPrintable(QUuid(id->guid).toString()), static_cast<long>(timer.elapsed()));
}
}
hr = id->pDID->GetDeviceData(sizeof(DIDEVICEOBJECTDATA), rgdod, &dwItems, 0);
if (FAILED(hr))
continue;
if (dwItems <= 0)
continue;
for (DWORD j=0; j<dwItems; j++) {
QList<QVariant> ql;
quint32 uiType = id->qhOfsToType.value(rgdod[j].dwOfs);
ql << uiType;
ql << id->vguid;
handleButton(ql, rgdod[j].dwData & 0x80);
}
}
#ifdef USE_GKEY
if (g.s.bEnableGKey && gkey != NULL && gkey->isValid()) {
for (int button = GKEY_MIN_MOUSE_BUTTON; button <= GKEY_MAX_MOUSE_BUTTON; button++) {
QList<QVariant> ql;
ql << button;
ql << GKeyLibrary::quMouse;
handleButton(ql, gkey->isMouseButtonPressed(button));
}
for (int mode = GKEY_MIN_KEYBOARD_MODE; mode <= GKEY_MAX_KEYBOARD_MODE; mode++) {
for (int key = GKEY_MIN_KEYBOARD_BUTTON; key <= GKEY_MAX_KEYBOARD_BUTTON; key++) {
QList<QVariant> ql;
// Store the key and mode in one int
// bit 0..15: mode, bit 16..31: key
ql << (key | (mode << 16));
ql << GKeyLibrary::quKeyboard;
handleButton(ql, gkey->isKeyboardGkeyPressed(key, mode));
}
}
}
#endif
#ifdef USE_XBOXINPUT
if (g.s.bEnableXboxInput && xboxinput != NULL && xboxinput->isValid() && nxboxinput > 0) {
XboxInputState state;
for (uint32_t i = 0; i < XBOXINPUT_MAX_DEVICES; i++) {
if (xboxinput->GetState(i, &state) == 0) {
// Skip the result of GetState() if the packet number hasn't changed,
// or if we're at the first packet.
if (xboxinputLastPacket[i] != 0 && state.packetNumber == xboxinputLastPacket[i]) {
continue;
}
// The buttons field of XboxInputState contains a bit
// for each button on the Xbox controller. The official
// headers enumerate the bits via XINPUT_GAMEPAD_*.
// The official mapping uses all 16-bits, but leaves
// bit 10 and 11 (counting from 0) undocumented.
//
// It turns out that bit 10 is the guide button,
// which can be queried using the non-public
// XInputGetStateEx() function.
//
// Our mapping uses the bit number as a button index.
// So 0x1 -> 0, 0x2 -> 1, 0x4 -> 2, and so on...
//
// However, since the buttons field is only a 16-bit value,
// and we also want to use the left and right triggers as
// buttons, we assign them the button indexes 16 and 17.
uint32_t buttonMask = state.buttons;
for (uint32_t j = 0; j < 18; j++) {
QList<QVariant> ql;
bool pressed = false;
if (j >= 16) {
if (j == 16) { // LeftTrigger
pressed = state.leftTrigger > XBOXINPUT_TRIGGER_THRESHOLD;
} else if (j == 17) { // RightTrigger
pressed = state.rightTrigger > XBOXINPUT_TRIGGER_THRESHOLD;
}
} else {
uint32_t currentButtonMask = (1 << j);
pressed = (buttonMask & currentButtonMask) != 0;
}
uint32_t type = (i << 24) | j;
ql << static_cast<uint>(type);
ql << XboxInput::s_XboxInputGuid;
handleButton(ql, pressed);
}
xboxinputLastPacket[i] = state.packetNumber;
}
}
}
#endif
// Initialize winhooks.
//
// We do this here, because at this point, we've just run our
// first timeTicked() slot. The GlobalShortcut_win thread's event
// loop has nothing else to do at this point, so there is nothing
// that blocks the callbacks of the hooks.
//
// That is, if we initialize here, our callbacks *can* be called
// immediately after initialization, which gives the best results
// as far as interactivity and user experience goes. The initialization
// cannot be "felt".
//
// Let me explain...
//
// Originally, this code lived in the body of run, ::run(), just
// before exec() was called.
//
// It turns out that if our hooks are initialized there, it can take
// a short while before the mouse and keyboard callbacks can be processed.
//
// During this time, where the mouse callback is not able to be called,
// the mouse in Windows becomes laggy. It makes the whole computer feel
// like it has locked up -- because input "stops".
//
// As explained above, initializing the hooks here yields a much superior
// experience, where this initialization has no observable effect on the
// behavior of the system's mouse input.
if (bHook && hhMouse == NULL && hhKeyboard == NULL) {
HMODULE hSelf;
GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, reinterpret_cast<LPCTSTR>(&HookKeyboard), &hSelf);
hhMouse = SetWindowsHookEx(WH_MOUSE_LL, HookMouse, hSelf, 0);
hhKeyboard = SetWindowsHookEx(WH_KEYBOARD_LL, HookKeyboard, hSelf, 0);
}
}
QString GlobalShortcutWin::buttonName(const QVariant &v) {
GlobalShortcutWin *gsw = static_cast<GlobalShortcutWin *>(GlobalShortcutEngine::engine);
const QList<QVariant> &sublist = v.toList();
if (sublist.count() != 2)
return QString();
bool ok = false;
DWORD type = sublist.at(0).toUInt(&ok);
QUuid guid(sublist.at(1).toString());
if (guid.isNull() || (!ok))
return QString();
QString device=guid.toString();
QString name=QLatin1String("Unknown");
#ifdef USE_GKEY
if (g.s.bEnableGKey && gkey != NULL && gkey->isValid()) {
bool isGKey = false;
if (guid == GKeyLibrary::quMouse) {
isGKey = true;
name = gkey->getMouseButtonString(type);
} else if (guid == GKeyLibrary::quKeyboard) {
isGKey = true;
name = gkey->getKeyboardGkeyString(type & 0xFFFF, type >> 16);
}
if (isGKey) {
device = QLatin1String("GKey:");
return device + name; // Example output: "Gkey:G6/M1"
}
}
#endif
#ifdef USE_XBOXINPUT
if (g.s.bEnableXboxInput && xboxinput != NULL && xboxinput->isValid() && guid == XboxInput::s_XboxInputGuid) {
uint32_t idx = (type >> 24) & 0xff;
uint32_t button = (type & 0x00ffffff);
// Translate from our own button index mapping to
// the actual Xbox controller button names.
// For a description of the mapping, see the state
// querying code in GlobalShortcutWin::timeTicked().
switch (button) {
case 0:
return QString::fromLatin1("Xbox%1:Up").arg(idx + 1);
case 1:
return QString::fromLatin1("Xbox%1:Down").arg(idx + 1);
case 2:
return QString::fromLatin1("Xbox%1:Left").arg(idx + 1);
case 3:
return QString::fromLatin1("Xbox%1:Right").arg(idx + 1);
case 4:
return QString::fromLatin1("Xbox%1:Start").arg(idx + 1);
case 5:
return QString::fromLatin1("Xbox%1:Back").arg(idx + 1);
case 6:
return QString::fromLatin1("Xbox%1:LeftThumb").arg(idx + 1);
case 7:
return QString::fromLatin1("Xbox%1:RightThumb").arg(idx + 1);
case 8:
return QString::fromLatin1("Xbox%1:LeftShoulder").arg(idx + 1);
case 9:
return QString::fromLatin1("Xbox%1:RightShoulder").arg(idx + 1);
case 10:
return QString::fromLatin1("Xbox%1:Guide").arg(idx + 1);
case 11:
return QString::fromLatin1("Xbox%1:11").arg(idx + 1);
case 12:
return QString::fromLatin1("Xbox%1:A").arg(idx + 1);
case 13:
return QString::fromLatin1("Xbox%1:B").arg(idx + 1);
case 14:
return QString::fromLatin1("Xbox%1:X").arg(idx + 1);
case 15:
return QString::fromLatin1("Xbox%1:Y").arg(idx + 1);
case 16:
return QString::fromLatin1("Xbox%1:LeftTrigger").arg(idx + 1);
case 17:
return QString::fromLatin1("Xbox%1:RightTrigger").arg(idx + 1);
}
}
#endif
InputDevice *id = gsw->qhInputDevices.value(guid);
if (guid == GUID_SysMouse)
device=QLatin1String("M:");
else if (guid == GUID_SysKeyboard)
device=QLatin1String("K:");
else if (id)
device=id->name+QLatin1String(":");
if (id) {
QString result = id->qhNames.value(type);
if (!result.isEmpty()) {
name = result;
}
}
return device+name;
}
bool GlobalShortcutWin::canSuppress() {
return bHook;
}
|