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
|
/***************************************************************************
kvncview.cpp - main widget
-------------------
begin : Thu Dec 20 15:11:42 CET 2001
copyright : (C) 2001-2003 by Tim Jansen
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "kvncview.h"
#include "vncprefs.h"
#include "vnchostpref.h"
#include <kapplication.h>
#include <kdebug.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kpassdlg.h>
#include <kdialogbase.h>
#include <kwallet.h>
#include <tqdatastream.h>
#include <dcopclient.h>
#include <tqclipboard.h>
#include <tqbitmap.h>
#include <tqmutex.h>
#include <tqvbox.h>
#include <tqwaitcondition.h>
#include "vncviewer.h"
#include <X11/Xlib.h>
bool launch_Fullscreen_vnc = false;
/*
* appData is our application-specific data which can be set by the user with
* application resource specs. The AppData structure is defined in the header
* file.
*/
AppData appData;
bool appDataConfigured = false;
Display* dpy;
static KVncView *kvncview;
//Passwords and KWallet data
extern KWallet::Wallet *wallet;
bool useKWallet = false;
static TQCString password;
static TQMutex passwordLock;
static TQWaitCondition passwordWaiter;
const unsigned int MAX_SELECTION_LENGTH = 4096;
KVncView::KVncView(TQWidget *parent,
const char *name,
const TQString &_host,
int _port,
const TQString &_password,
Quality quality,
DotCursorState dotCursorState,
const TQString &encodings) :
KRemoteView(parent, name, TQt::WResizeNoErase | TQt::WRepaintNoErase | TQt::WStaticContents),
m_cthread(this, m_wthread, m_quitFlag),
m_wthread(this, m_quitFlag),
m_quitFlag(false),
m_enableFramebufferLocking(false),
m_scaling(false),
m_remoteMouseTracking(false),
m_viewOnly(false),
m_buttonMask(0),
m_host(_host),
m_port(_port),
m_dontSendCb(false),
m_cursorState(dotCursorState)
{
kvncview = this;
password = _password.latin1();
dpy = qt_xdisplay();
setFixedSize(16,16);
setFocusPolicy(TQ_StrongFocus);
m_cb = TQApplication::tqclipboard();
connect(m_cb, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(selectionChanged()));
connect(m_cb, TQT_SIGNAL(dataChanged()), this, TQT_SLOT(clipboardChanged()));
KStandardDirs *dirs = KGlobal::dirs();
TQBitmap cursorBitmap(dirs->findResource("appdata",
"pics/pointcursor.png"));
TQBitmap cursorMask(dirs->findResource("appdata",
"pics/pointcursormask.png"));
m_cursor = TQCursor(cursorBitmap, cursorMask);
if ((quality != TQUALITY_UNKNOWN) ||
!encodings.isNull())
configureApp(quality, encodings);
}
void KVncView::showDotCursor(DotCursorState state) {
if (state == m_cursorState)
return;
m_cursorState = state;
showDotCursorInternal();
}
DotCursorState KVncView::dotCursorState() const {
return m_cursorState;
}
void KVncView::showDotCursorInternal() {
switch (m_cursorState) {
case DOT_CURSOR_ON:
setCursor(m_cursor);
break;
case DOT_CURSOR_OFF:
setCursor(TQCursor(TQt::BlankCursor));
break;
case DOT_CURSOR_AUTO:
if (m_enableClientCursor)
setCursor(TQCursor(TQt::BlankCursor));
else
setCursor(m_cursor);
break;
}
}
TQString KVncView::host() {
return m_host;
}
int KVncView::port() {
return m_port;
}
void KVncView::startQuitting() {
m_quitFlag = true;
m_wthread.kick();
m_cthread.kick();
}
bool KVncView::isQuitting() {
return m_quitFlag;
}
void KVncView::configureApp(Quality q, const TQString specialEncodings) {
appDataConfigured = true;
appData.shareDesktop = 1;
appData.viewOnly = 0;
if (q == TQUALITY_LOW) {
appData.useBGR233 = 1;
appData.encodingsString = "background copyrect softcursor tight zlib hextile raw";
appData.compressLevel = -1;
appData.qualityLevel = 1;
appData.dotCursor = 1;
}
else if (q == TQUALITY_MEDIUM) {
appData.useBGR233 = 0;
appData.encodingsString = "background copyrect softcursor tight zlib hextile raw";
appData.compressLevel = -1;
appData.qualityLevel = 7;
appData.dotCursor = 1;
}
else if ((q == TQUALITY_HIGH) || (q == TQUALITY_UNKNOWN)) {
appData.useBGR233 = 0;
appData.encodingsString = "copyrect softcursor hextile raw";
appData.compressLevel = -1;
appData.qualityLevel = 9;
appData.dotCursor = 1;
}
if (!specialEncodings.isNull())
appData.encodingsString = specialEncodings.latin1();
appData.nColours = 256;
appData.useSharedColours = 1;
appData.requestedDepth = 0;
appData.rawDelay = 0;
appData.copyRectDelay = 0;
if (!appData.dotCursor)
m_cursorState = DOT_CURSOR_OFF;
showDotCursorInternal();
}
bool KVncView::checkLocalKRfb() {
if ( m_host != "localhost" && !m_host.isEmpty() )
return true;
DCOPClient *d = KApplication::dcopClient();
int portNum;
TQByteArray sdata, rdata;
TQCString replyType;
TQDataStream arg(sdata, IO_WriteOnly);
arg << TQString("krfb");
if (!d->call ("kded", "kinetd", "port(TQString)", sdata, replyType, rdata))
return true;
if (replyType != "int")
return true;
TQDataStream answer(rdata, IO_ReadOnly);
answer >> portNum;
if (m_port != portNum)
return true;
settqStatus(REMOTE_VIEW_DISCONNECTED);
KMessageBox::error(0,
i18n("It is not possible to connect to a local desktop sharing service."),
i18n("Connection Failure"));
emit disconnectedError();
return false;
}
bool KVncView::editPreferences( HostPrefPtr host )
{
SmartPtr<VncHostPref> hp( host );
int ci = hp->quality();
bool kwallet = hp->useKWallet();
// show preferences dialog
KDialogBase *dlg = new KDialogBase( 0L, "dlg", true,
i18n( "VNC Host Preferences for %1" ).tqarg( host->host() ),
KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok, true );
TQVBox *vbox = dlg->makeVBoxMainWidget();
VncPrefs *prefs = new VncPrefs( vbox );
TQWidget *spacer = new TQWidget( vbox );
vbox->setStretchFactor( spacer, 10 );
prefs->setQuality( ci );
prefs->setShowPrefs(true);
prefs->setUseKWallet(kwallet);
if ( dlg->exec() == TQDialog::Rejected )
return false;
ci = prefs->quality();
hp->setAskOnConnect(prefs->showPrefs());
hp->setQuality(ci);
hp->setUseKWallet(prefs->useKWallet());
delete dlg;
return true;
}
bool KVncView::start() {
if (!checkLocalKRfb())
return false;
if (!appDataConfigured) {
HostPreferences *hps = HostPreferences::instance();
SmartPtr<VncHostPref> hp =
SmartPtr<VncHostPref>(hps->createHostPref(m_host,
VncHostPref::VncType));
if (hp->askOnConnect()) {
if (!editPreferences(hp))
return false;
hps->sync();
}
int ci = hp->quality();
Quality quality;
if (ci == 0)
quality = TQUALITY_HIGH;
else if (ci == 1)
quality = TQUALITY_MEDIUM;
else if (ci == 2)
quality = TQUALITY_LOW;
else {
kdDebug() << "Unknown quality";
return false;
}
configureApp(quality);
useKWallet = hp->useKWallet();
}
settqStatus(REMOTE_VIEW_CONNECTING);
m_cthread.start();
setBackgroundMode(TQt::NoBackground);
return true;
}
KVncView::~KVncView()
{
startQuitting();
m_cthread.wait();
m_wthread.wait();
freeResources();
}
bool KVncView::supportsLocalCursor() const {
return true;
}
bool KVncView::supportsScaling() const {
return true;
}
bool KVncView::scaling() const {
return m_scaling;
}
bool KVncView::viewOnly() {
return m_viewOnly;
}
bool KVncView::startFullscreen()
{
return launch_Fullscreen_vnc;
}
TQSize KVncView::framebufferSize() {
return m_framebufferSize;
}
void KVncView::setViewOnly(bool s) {
m_viewOnly = s;
if (s)
setCursor(TQt::ArrowCursor);
else
showDotCursorInternal();
}
void KVncView::enableScaling(bool s) {
bool os = m_scaling;
m_scaling = s;
if (s != os) {
if (s) {
setMaximumSize(m_framebufferSize);
setMinimumSize(m_framebufferSize.width()/16,
m_framebufferSize.height()/16);
}
else
setFixedSize(m_framebufferSize);
}
}
void KVncView::paintEvent(TQPaintEvent *e) {
drawRegion(e->rect().x(),
e->rect().y(),
e->rect().width(),
e->rect().height());
}
void KVncView::drawRegion(int x, int y, int w, int h) {
if (m_scaling)
DrawZoomedScreenRegionX11Thread(winId(), width(), height(),
x, y, w, h);
else
DrawScreenRegionX11Thread(winId(), x, y, w, h);
}
void KVncView::customEvent(TQCustomEvent *e)
{
if (e->type() == ScreenRepaintEventType) {
ScreenRepaintEvent *sre = (ScreenRepaintEvent*) e;
drawRegion(sre->x(), sre->y(),sre->width(), sre->height());
}
else if (e->type() == ScreenResizeEventType) {
ScreenResizeEvent *sre = (ScreenResizeEvent*) e;
m_framebufferSize = TQSize(sre->width(), sre->height());
setFixedSize(m_framebufferSize);
emit changeSize(sre->width(), sre->height());
}
else if (e->type() == DesktopInitEventType) {
m_cthread.desktopInit();
}
else if (e->type() == StatusChangeEventType) {
StatusChangeEvent *sce = (StatusChangeEvent*) e;
settqStatus(sce->status());
if (m_status == REMOTE_VIEW_CONNECTED) {
emit connected();
setFocus();
setMouseTracking(true);
}
else if (m_status == REMOTE_VIEW_DISCONNECTED) {
setMouseTracking(false);
emit disconnected();
}
else if (m_status == REMOTE_VIEW_PREPARING) {
//Login was successfull: Write KWallet password if necessary.
if ( useKWallet && !password.isNull() && wallet && wallet->isOpen() && !wallet->hasEntry(host())) {
wallet->writePassword(host(), password);
}
delete wallet; wallet=0;
}
}
else if (e->type() == PasswordRequiredEventType) {
emit showingPasswordDialog(true);
if (KPasswordDialog::getPassword(password, i18n("Access to the system requires a password.")) != KPasswordDialog::Accepted)
password = TQCString();
emit showingPasswordDialog(false);
passwordLock.lock(); // to guarantee that thread is waiting
passwordWaiter.wakeAll();
passwordLock.unlock();
}
else if (e->type() == WalletOpenEventType) {
TQString krdc_folder = "KRDC-VNC";
emit showingPasswordDialog(true); //Bad things happen if you don't do this.
// Bugfix: Check if wallet has been closed by an outside source
if ( wallet && !wallet->isOpen() ) {
delete wallet; wallet=0;
}
// Do we need to open the wallet?
if ( !wallet ) {
TQString walletName = KWallet::Wallet::NetworkWallet();
wallet = KWallet::Wallet::openWallet(walletName);
}
if (wallet && wallet->isOpen()) {
bool walletOK = wallet->hasFolder(krdc_folder);
if (walletOK == false) {
walletOK = wallet->createFolder(krdc_folder);
}
if (walletOK == true) {
wallet->setFolder(krdc_folder);
TQString newPass;
if ( wallet->hasEntry(kvncview->host()) && !wallet->readPassword(kvncview->host(), newPass) ) {
password=newPass.latin1();
}
}
}
passwordLock.lock(); // to guarantee that thread is waiting
passwordWaiter.wakeAll();
passwordLock.unlock();
emit showingPasswordDialog(false);
}
else if (e->type() == FatalErrorEventType) {
FatalErrorEvent *fee = (FatalErrorEvent*) e;
settqStatus(REMOTE_VIEW_DISCONNECTED);
switch (fee->errorCode()) {
case ERROR_CONNECTION:
KMessageBox::error(0,
i18n("Connection attempt to host failed."),
i18n("Connection Failure"));
break;
case ERROR_PROTOCOL:
KMessageBox::error(0,
i18n("Remote host is using an incompatible protocol."),
i18n("Connection Failure"));
break;
case ERROR_IO:
KMessageBox::error(0,
i18n("The connection to the host has been interrupted."),
i18n("Connection Failure"));
break;
case ERROR_SERVER_BLOCKED:
KMessageBox::error(0,
i18n("Connection failed. The server does not accept new connections."),
i18n("Connection Failure"));
break;
case ERROR_NAME:
KMessageBox::error(0,
i18n("Connection failed. A server with the given name cannot be found."),
i18n("Connection Failure"));
break;
case ERROR_NO_SERVER:
KMessageBox::error(0,
i18n("Connection failed. No server running at the given address and port."),
i18n("Connection Failure"));
break;
case ERROR_AUTHENTICATION:
//Login failed: Remove wallet entry if there is one.
if ( useKWallet && wallet && wallet->isOpen() && wallet->hasEntry(host()) ) {
wallet->removeEntry(host());
}
KMessageBox::error(0,
i18n("Authentication failed. Connection aborted."),
i18n("Authentication Failure"));
break;
default:
KMessageBox::error(0,
i18n("Unknown error."),
i18n("Unknown Error"));
break;
}
emit disconnectedError();
}
else if (e->type() == BeepEventType) {
TQApplication::beep();
}
else if (e->type() == ServerCutEventType) {
ServerCutEvent *sce = (ServerCutEvent*) e;
TQString ctext = TQString::fromUtf8(sce->bytes(), sce->length());
m_dontSendCb = true;
m_cb->setText(ctext, TQClipboard::Clipboard);
m_cb->setText(ctext, TQClipboard::Selection);
m_dontSendCb = false;
}
else if (e->type() == MouseStateEventType) {
MouseStateEvent *mse = (MouseStateEvent*) e;
emit mouseStateChanged(mse->x(), mse->y(), mse->buttonMask());
bool show = m_plom.handlePointerEvent(mse->x(), mse->y());
if (m_cursorState != DOT_CURSOR_ON)
showDotCursor(show ? DOT_CURSOR_AUTO : DOT_CURSOR_OFF);
}
}
void KVncView::mouseEvent(TQMouseEvent *e) {
if (m_status != REMOTE_VIEW_CONNECTED)
return;
if (m_viewOnly)
return;
if ( e->type() != TQEvent::MouseMove ) {
if ( (e->type() == TQEvent::MouseButtonPress) ||
(e->type() == TQEvent::MouseButtonDblClick)) {
if ( e->button() & Qt::LeftButton )
m_buttonMask |= 0x01;
if ( e->button() & Qt::MidButton )
m_buttonMask |= 0x02;
if ( e->button() & Qt::RightButton )
m_buttonMask |= 0x04;
}
else if ( e->type() == TQEvent::MouseButtonRelease ) {
if ( e->button() & Qt::LeftButton )
m_buttonMask &= 0xfe;
if ( e->button() & Qt::MidButton )
m_buttonMask &= 0xfd;
if ( e->button() & Qt::RightButton )
m_buttonMask &= 0xfb;
}
}
int x = e->x();
int y = e->y();
m_plom.registerPointerState(x, y);
if (m_scaling) {
x = (x * m_framebufferSize.width()) / width();
y = (y * m_framebufferSize.height()) / height();
}
m_wthread.queueMouseEvent(x, y, m_buttonMask);
if (m_enableClientCursor)
DrawCursorX11Thread(x, y); // in rfbproto.c
}
void KVncView::mousePressEvent(TQMouseEvent *e) {
mouseEvent(e);
e->accept();
}
void KVncView::mouseDoubleClickEvent(TQMouseEvent *e) {
mouseEvent(e);
e->accept();
}
void KVncView::mouseReleaseEvent(TQMouseEvent *e) {
mouseEvent(e);
e->accept();
}
void KVncView::mouseMoveEvent(TQMouseEvent *e) {
mouseEvent(e);
e->ignore();
}
void KVncView::wheelEvent(TQWheelEvent *e) {
if (m_status != REMOTE_VIEW_CONNECTED)
return;
if (m_viewOnly)
return;
int eb = 0;
if ( e->delta() < 0 )
eb |= 0x10;
else
eb |= 0x8;
int x = e->pos().x();
int y = e->pos().y();
if (m_scaling) {
x = (x * m_framebufferSize.width()) / width();
y = (y * m_framebufferSize.height()) / height();
}
m_wthread.queueMouseEvent(x, y, eb|m_buttonMask);
m_wthread.queueMouseEvent(x, y, m_buttonMask);
e->accept();
}
void KVncView::pressKey(XEvent *xe) {
KKeyNative k(xe);
uint mod = k.mod();
if (mod & KKeyNative::modX(KKey::SHIFT))
m_wthread.queueKeyEvent(XK_Shift_L, true);
if (mod & KKeyNative::modX(KKey::CTRL))
m_wthread.queueKeyEvent(XK_Control_L, true);
if (mod & KKeyNative::modX(KKey::ALT))
m_wthread.queueKeyEvent(XK_Alt_L, true);
if (mod & KKeyNative::modX(KKey::WIN))
m_wthread.queueKeyEvent(XK_Meta_L, true);
m_wthread.queueKeyEvent(k.sym(), true);
m_wthread.queueKeyEvent(k.sym(), false);
if (mod & KKeyNative::modX(KKey::WIN))
m_wthread.queueKeyEvent(XK_Meta_L, false);
if (mod & KKeyNative::modX(KKey::ALT))
m_wthread.queueKeyEvent(XK_Alt_L, false);
if (mod & KKeyNative::modX(KKey::CTRL))
m_wthread.queueKeyEvent(XK_Control_L, false);
if (mod & KKeyNative::modX(KKey::SHIFT))
m_wthread.queueKeyEvent(XK_Shift_L, false);
m_mods.clear();
}
bool KVncView::x11Event(XEvent *e) {
bool pressed;
if (e->type == KeyPress)
pressed = true;
else if (e->type == KeyRelease)
pressed = false;
else
return TQWidget::x11Event(e);
if (!m_viewOnly) {
unsigned int s = KKeyNative(e).sym();
switch (s) {
case XK_Meta_L:
case XK_Alt_L:
case XK_Control_L:
case XK_Shift_L:
case XK_Meta_R:
case XK_Alt_R:
case XK_Control_R:
case XK_Shift_R:
if (pressed)
m_mods[s] = true;
else if (m_mods.contains(s))
m_mods.remove(s);
else
unpressModifiers();
}
m_wthread.queueKeyEvent(s, pressed);
}
return true;
}
void KVncView::unpressModifiers() {
TQValueList<unsigned int> keys = m_mods.keys();
TQValueList<unsigned int>::const_iterator it = keys.begin();
while (it != keys.end()) {
m_wthread.queueKeyEvent(*it, false);
it++;
}
m_mods.clear();
}
void KVncView::focusOutEvent(TQFocusEvent *) {
unpressModifiers();
}
TQSize KVncView::tqsizeHint() {
return tqmaximumSize();
}
void KVncView::setRemoteMouseTracking(bool s) {
m_remoteMouseTracking = s;
}
bool KVncView::remoteMouseTracking() {
return m_remoteMouseTracking;
}
void KVncView::clipboardChanged() {
if (m_status != REMOTE_VIEW_CONNECTED)
return;
if (m_cb->ownsClipboard() || m_dontSendCb)
return;
TQString text = m_cb->text(TQClipboard::Clipboard);
if (text.length() > MAX_SELECTION_LENGTH)
return;
m_wthread.queueClientCut(text);
}
void KVncView::selectionChanged() {
if (m_status != REMOTE_VIEW_CONNECTED)
return;
if (m_cb->ownsSelection() || m_dontSendCb)
return;
TQString text = m_cb->text(TQClipboard::Selection);
if (text.length() > MAX_SELECTION_LENGTH)
return;
m_wthread.queueClientCut(text);
}
void KVncView::lockFramebuffer() {
if (m_enableFramebufferLocking)
m_framebufferLock.lock();
}
void KVncView::unlockFramebuffer() {
if (m_enableFramebufferLocking)
m_framebufferLock.unlock();
}
void KVncView::enableClientCursor(bool enable) {
if (enable) {
m_enableFramebufferLocking = true; // cant be turned off
}
m_enableClientCursor = enable;
lockFramebuffer();
showDotCursorInternal();
unlockFramebuffer();
}
/*!
\brief Get a password for this host.
Tries to get a password from the url or wallet if at all possible. If
both of these fail, it then asks the user to enter a password.
\note Lots of dialogs can be popped up during this process. The thread
locks and signals are there to protect against deadlocks and other
horribleness. Be careful making changes here.
*/
int getPassword(char *passwd, int pwlen) {
int retV = 0;
//Prepare the system
passwordLock.lock();
//Try #1: Did the user give a password in the URL?
if (!password.isNull()) {
retV = 1; //got it!
}
//Try #2: Is there something in the wallet?
if ( !retV && useKWallet ) {
TQApplication::postEvent(kvncview, new WalletOpenEvent());
passwordWaiter.wait(&passwordLock); //block
if (!password.isNull()) retV = 1; //got it!
}
//Last try: Ask the user
if (!retV) {
TQApplication::postEvent(kvncview, new PasswordRequiredEvent());
passwordWaiter.wait(&passwordLock); //block
if (!password.isNull()) retV = 1; //got it!
}
//Process the password if we got it, clear it if we didn't
if (retV) {
strncpy(passwd, (const char*)password, pwlen);
} else {
passwd[0] = 0;
}
//Pack up and go home
passwordLock.unlock();
if (!retV) kvncview->startQuitting();
return retV;
}
extern int isQuitFlagSet() {
return kvncview->isQuitting() ? 1 : 0;
}
extern void DrawScreenRegion(int x, int y, int width, int height) {
/* KApplication::kApplication()->lock();
kvncview->drawRegion(x, y, width, height);
KApplication::kApplication()->unlock();
*/
TQApplication::postEvent(kvncview, new ScreenRepaintEvent(x, y, width, height));
}
// call only from x11 thread!
extern void DrawAnyScreenRegionX11Thread(int x, int y, int width, int height) {
kvncview->drawRegion(x, y, width, height);
}
extern void EnableClientCursor(int enable) {
kvncview->enableClientCursor(enable);
}
extern void LockFramebuffer() {
kvncview->lockFramebuffer();
}
extern void UnlockFramebuffer() {
kvncview->unlockFramebuffer();
}
extern void beep() {
TQApplication::postEvent(kvncview, new BeepEvent());
}
extern void newServerCut(char *bytes, int length) {
TQApplication::postEvent(kvncview, new ServerCutEvent(bytes, length));
}
extern void postMouseEvent(int x, int y, int buttonMask) {
TQApplication::postEvent(kvncview, new MouseStateEvent(x, y, buttonMask));
}
#include "kvncview.moc"
|