source: trunk/src/gui/embedded/qwscommand_qws_p.h

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
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1/****************************************************************************
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3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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5** Contact: Nokia Corporation (qt-info@nokia.com)
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7** This file is part of the QtGui module of the Qt Toolkit.
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40****************************************************************************/
41
42#ifndef QWSCOMMAND_QWS_P_H
43#define QWSCOMMAND_QWS_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56// When reading commands "off the wire" in the server, the rawLen is read
57// and then that many bytes are allocated. If the rawLen is corrupted (or
58// the protocol is being attacked) too many bytes can be allocated. Set
59// a hard limit here for security.
60#define MAX_COMMAND_SIZE (16 * 1024)
61
62#include <QtCore/qbytearray.h>
63#include <QtGui/qwsutils_qws.h>
64#include <QtGui/qfont.h>
65#include <QtCore/qdatastream.h>
66#include <QtCore/qvariant.h>
67#include <QtCore/qrect.h>
68#include <QtGui/qregion.h>
69#include <QtCore/qvector.h>
70#include <QtCore/qvarlengtharray.h>
71#include <QtGui/qwsevent_qws.h>
72#include "qwsprotocolitem_qws.h"
73
74QT_BEGIN_NAMESPACE
75
76QT_MODULE(Gui)
77
78class QRect;
79
80/*********************************************************************
81 *
82 * Functions to read/write commands on/from a socket
83 *
84 *********************************************************************/
85#ifndef QT_NO_QWS_MULTIPROCESS
86void qws_write_command(QIODevice *socket, int type, char *simpleData, int simpleLen, char *rawData, int rawLen);
87bool qws_read_command(QIODevice *socket, char *&simpleData, int &simpleLen, char *&rawData, int &rawLen, int &bytesRead);
88#endif
89
90struct QWSCommand : QWSProtocolItem
91{
92 QWSCommand(int t, int len, char *ptr) : QWSProtocolItem(t,len,ptr) {}
93
94 enum Type {
95 Unknown = 0,
96 Create,
97 Shutdown,
98 Region,
99 RegionMove,
100 RegionDestroy,
101 SetProperty,
102 AddProperty,
103 RemoveProperty,
104 GetProperty,
105 SetSelectionOwner,
106 ConvertSelection,
107 RequestFocus,
108 ChangeAltitude,
109 SetOpacity,
110 DefineCursor,
111 SelectCursor,
112 PositionCursor,
113 GrabMouse,
114 PlaySound,
115 QCopRegisterChannel,
116 QCopSend,
117 RegionName,
118 Identify,
119 GrabKeyboard,
120 RepaintRegion,
121 IMMouse,
122 IMUpdate,
123 IMResponse,
124 Embed,
125 Font,
126 ScreenTransform
127 };
128 static QWSCommand *factory(int type);
129};
130
131const char *qws_getCommandTypeString( QWSCommand::Type tp );
132
133#ifndef QT_NO_DEBUG
134class QDebug;
135QDebug &operator<<(QDebug &dbg, QWSCommand::Type tp);
136#endif // QT_NO_DEBUG
137
138/*********************************************************************
139 *
140 * Commands
141 *
142 *********************************************************************/
143
144struct QWSIdentifyCommand : public QWSCommand
145{
146 QWSIdentifyCommand() :
147 QWSCommand(QWSCommand::Identify,
148 sizeof(simpleData), reinterpret_cast<char *>(&simpleData))
149 {
150 simpleData.idLen = 0;
151 simpleData.idLock = -1;
152 }
153
154 void setData(const char *d, int len, bool allocateMem) {
155 QWSCommand::setData(d, len, allocateMem);
156 if ( simpleData.idLen > MAX_COMMAND_SIZE )
157 {
158 qWarning( "Identify command - name length %d - too big!", simpleData.idLen );
159 simpleData.idLen = MAX_COMMAND_SIZE;
160 }
161 if ( simpleData.idLen * int(sizeof(QChar)) > len )
162 {
163 qWarning( "Identify command - name length %d - buffer size %d - buffer overrun!", simpleData.idLen, len );
164 }
165 else
166 {
167 id = QString(reinterpret_cast<const QChar*>(d), simpleData.idLen);
168 }
169 }
170
171 void setId(const QString& i, int lock)
172 {
173 id = i;
174 simpleData.idLen = id.length();
175 simpleData.idLock = lock;
176 setData(reinterpret_cast<const char*>(id.unicode()), simpleData.idLen*2, true);
177 }
178
179 struct SimpleData {
180 int idLen;
181 int idLock;
182 } simpleData;
183 QString id;
184};
185
186struct QWSCreateCommand : public QWSCommand
187{
188 QWSCreateCommand(int n = 1) :
189 QWSCommand(QWSCommand::Create, sizeof(count),
190 reinterpret_cast<char *>(&count)), count(n) {}
191 int count;
192};
193
194struct QWSRegionNameCommand : public QWSCommand
195{
196 QWSRegionNameCommand() :
197 QWSCommand(QWSCommand::RegionName,
198 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
199
200 void setData(const char *d, int len, bool allocateMem) {
201 QWSCommand::setData(d, len, allocateMem);
202 if ( simpleData.nameLen > MAX_COMMAND_SIZE )
203 {
204 qWarning( "region name command - name length too big!" );
205 simpleData.nameLen = MAX_COMMAND_SIZE;
206 }
207 if ( simpleData.captionLen > MAX_COMMAND_SIZE )
208 {
209 qWarning( "region name command - caption length too big!" );
210 simpleData.captionLen = MAX_COMMAND_SIZE;
211 }
212 if ( simpleData.nameLen + simpleData.captionLen > len )
213 {
214 qWarning( "region name command - name length %d - caption length %d - buffer size %d - buffer overrun!",
215 simpleData.nameLen, simpleData.captionLen, len );
216
217 }
218 else
219 {
220 name = QString(reinterpret_cast<const QChar*>(d), simpleData.nameLen/2);
221 d += simpleData.nameLen;
222 caption = QString(reinterpret_cast<const QChar*>(d), simpleData.captionLen/2);
223 }
224 }
225
226 void setName(const QString& n, const QString &c)
227 {
228 name = n;
229 caption = c;
230 int l = simpleData.nameLen = name.length()*2;
231 l += simpleData.captionLen = caption.length()*2;
232 char *d = new char[l];
233 memcpy(d, name.unicode(), simpleData.nameLen);
234 memcpy(d+simpleData.nameLen, caption.unicode(), simpleData.captionLen);
235 setData(d, l, true);
236 delete[] d;
237 }
238
239 struct SimpleData {
240 int windowid;
241 int nameLen;
242 int captionLen;
243 } simpleData;
244 QString name;
245 QString caption;
246};
247
248struct QWSRegionCommand : public QWSCommand
249{
250 QWSRegionCommand() :
251 QWSCommand(QWSCommand::Region, sizeof(simpleData),
252 reinterpret_cast<char*>(&simpleData)) {}
253
254 void setData(const char *d, int len, bool allocateMem = true) {
255 QWSCommand::setData(d, len, allocateMem);
256
257 if( simpleData.nrectangles * int(sizeof(QRect)) + simpleData.surfacekeylength * int(sizeof(QChar)) + simpleData.surfacedatalength * int(sizeof(char)) > len )
258 {
259 qWarning( "region command - rectangle count %d - surface key length %d - region data size %d - buffer size %d - buffer overrun!",
260 simpleData.nrectangles, simpleData.surfacekeylength, simpleData.surfacedatalength, len );
261 }
262 else
263 {
264 char *ptr = rawDataPtr;
265
266 region.setRects(reinterpret_cast<QRect*>(ptr), simpleData.nrectangles);
267 ptr += simpleData.nrectangles * sizeof(QRect);
268
269 surfaceKey = QString(reinterpret_cast<QChar*>(ptr),
270 simpleData.surfacekeylength);
271 ptr += simpleData.surfacekeylength * sizeof(QChar);
272
273 surfaceData = QByteArray(ptr, simpleData.surfacedatalength);
274 }
275 }
276
277 void setData(int id, const QString &key, const QByteArray &data,
278 const QRegion &reg)
279 {
280 surfaceKey = key;
281 surfaceData = data;
282 region = reg;
283
284 const QVector<QRect> rects = reg.rects();
285
286 simpleData.windowid = id;
287 simpleData.surfacekeylength = key.size();
288 simpleData.surfacedatalength = data.size();
289 simpleData.nrectangles = rects.count();
290
291 QVarLengthArray<char, 256> buffer;
292 buffer.append(reinterpret_cast<const char*>(rects.constData()),
293 rects.count() * sizeof(QRect));
294 buffer.append(reinterpret_cast<const char*>(key.constData()),
295 key.size() * sizeof(QChar));
296 buffer.append(data, data.size());
297
298 QWSCommand::setData(buffer.constData(), buffer.size(), true);
299 }
300
301 /* XXX this will pad out in a compiler dependent way,
302 should move nrectangles to before windowtype, and
303 add reserved bytes.
304 Symptom will be valgrind reported uninitialized memory usage
305 */
306 struct SimpleData {
307 int windowid;
308 int surfacekeylength;
309 int surfacedatalength;
310 int nrectangles;
311 } simpleData;
312
313 QString surfaceKey;
314 QByteArray surfaceData;
315 QRegion region;
316};
317
318struct QWSSetOpacityCommand : public QWSCommand
319{
320 QWSSetOpacityCommand() :
321 QWSCommand(QWSCommand::SetOpacity, sizeof(simpleData),
322 reinterpret_cast<char*>(&simpleData)) {}
323
324 struct SimpleData {
325 int windowid;
326 uchar opacity;
327 } simpleData;
328};
329
330struct QWSRegionMoveCommand : public QWSCommand
331{
332 QWSRegionMoveCommand() :
333 QWSCommand(QWSCommand::RegionMove, sizeof(simpleData),
334 reinterpret_cast<char*>(&simpleData)) {}
335
336 struct SimpleData {
337 int windowid;
338 int dx;
339 int dy;
340 } simpleData;
341
342};
343
344struct QWSRegionDestroyCommand : public QWSCommand
345{
346 QWSRegionDestroyCommand() :
347 QWSCommand(QWSCommand::RegionDestroy, sizeof(simpleData),
348 reinterpret_cast<char*>(&simpleData)) {}
349
350 struct SimpleData {
351 int windowid;
352 } simpleData;
353
354};
355
356struct QWSRequestFocusCommand : public QWSCommand
357{
358 QWSRequestFocusCommand() :
359 QWSCommand(QWSCommand::RequestFocus, sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
360
361 struct SimpleData {
362 int windowid;
363 int flag;
364 } simpleData;
365};
366
367struct QWSChangeAltitudeCommand : public QWSCommand
368{
369 QWSChangeAltitudeCommand() :
370 QWSCommand(QWSCommand::ChangeAltitude, sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
371
372 enum Altitude {
373 Lower = -1,
374 Raise = 0,
375 StaysOnTop = 1
376 };
377
378 struct SimpleData {
379 int windowid;
380 Altitude altitude;
381 bool fixed;
382 } simpleData;
383
384};
385
386
387struct QWSAddPropertyCommand : public QWSCommand
388{
389 QWSAddPropertyCommand() :
390 QWSCommand(QWSCommand::AddProperty, sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
391
392 struct SimpleData {
393 int windowid, property;
394 } simpleData;
395
396};
397
398struct QWSSetPropertyCommand : public QWSCommand
399{
400 QWSSetPropertyCommand() :
401 QWSCommand(QWSCommand::SetProperty, sizeof(simpleData),
402 reinterpret_cast<char*>(&simpleData)) { data = 0; }
403
404 void setData(const char *d, int len, bool allocateMem = true) {
405 QWSCommand::setData(d, len, allocateMem);
406 data = rawDataPtr;
407 }
408
409 struct SimpleData {
410 int windowid, property, mode;
411 } simpleData;
412
413 char *data;
414};
415
416struct QWSRepaintRegionCommand : public QWSCommand
417{
418 QWSRepaintRegionCommand() :
419 QWSCommand(QWSCommand::RepaintRegion, sizeof(simpleData),
420 reinterpret_cast<char*>(&simpleData)) {}
421
422 void setData(const char *d, int len, bool allocateMem = true) {
423 QWSCommand::setData(d, len, allocateMem);
424
425 if( simpleData.nrectangles * int(sizeof(QRect)) > len )
426 {
427 qWarning( "repaint region command - region rectangle count %d - buffer size %d - buffer overrun",
428 simpleData.nrectangles, len );
429
430 simpleData.nrectangles = len / sizeof(QRect);
431 }
432 rectangles = reinterpret_cast<QRect *>(rawDataPtr);
433 }
434
435 struct SimpleData {
436 int windowid;
437 int windowFlags;
438 bool opaque;
439 int nrectangles;
440 } simpleData;
441
442 QRect * rectangles;
443
444};
445
446struct QWSRemovePropertyCommand : public QWSCommand
447{
448 QWSRemovePropertyCommand() :
449 QWSCommand(QWSCommand::RemoveProperty, sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
450
451 struct SimpleData {
452 int windowid, property;
453 } simpleData;
454
455};
456
457struct QWSGetPropertyCommand : public QWSCommand
458{
459 QWSGetPropertyCommand() :
460 QWSCommand(QWSCommand::GetProperty, sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
461
462 struct SimpleData {
463 int windowid, property;
464 } simpleData;
465
466};
467
468struct QWSSetSelectionOwnerCommand : public QWSCommand
469{
470 QWSSetSelectionOwnerCommand() :
471 QWSCommand(QWSCommand::SetSelectionOwner,
472 sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
473
474 struct SimpleData {
475 int windowid;
476 int hour, minute, sec, ms; // time
477 } simpleData;
478
479};
480
481struct QWSConvertSelectionCommand : public QWSCommand
482{
483 QWSConvertSelectionCommand() :
484 QWSCommand(QWSCommand::ConvertSelection,
485 sizeof(simpleData), reinterpret_cast<char*>(&simpleData)) {}
486
487 struct SimpleData {
488 int requestor; // requestor window of the selection
489 int selection; // property on requestor into which the selection should be stored
490 int mimeTypes; // property ion requestor in which the mimetypes, in which the selection may be, are stored
491 } simpleData;
492
493};
494
495struct QWSDefineCursorCommand : public QWSCommand
496{
497 QWSDefineCursorCommand() :
498 QWSCommand(QWSCommand::DefineCursor,
499 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
500
501 void setData(const char *d, int len, bool allocateMem = true) {
502 QWSCommand::setData(d, len, allocateMem);
503 data = reinterpret_cast<unsigned char *>(rawDataPtr);
504 if (simpleData.height * ((simpleData.width+7) / 8) > len) {
505 qWarning("define cursor command - width %d height %d- buffer size %d - buffer overrun",
506 simpleData.width, simpleData.height, len );
507 simpleData.width = simpleData.height = 0;
508 }
509 }
510
511 struct SimpleData {
512 int width;
513 int height;
514 int hotX;
515 int hotY;
516 int id;
517 } simpleData;
518
519 unsigned char *data;
520};
521
522struct QWSSelectCursorCommand : public QWSCommand
523{
524 QWSSelectCursorCommand() :
525 QWSCommand(QWSCommand::SelectCursor,
526 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
527
528 struct SimpleData {
529 int windowid;
530 int id;
531 } simpleData;
532};
533
534struct QWSPositionCursorCommand : public QWSCommand
535{
536 QWSPositionCursorCommand() :
537 QWSCommand(QWSCommand::PositionCursor,
538 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
539
540 struct SimpleData {
541 int newX;
542 int newY;
543 } simpleData;
544};
545
546struct QWSGrabMouseCommand : public QWSCommand
547{
548 QWSGrabMouseCommand() :
549 QWSCommand(QWSCommand::GrabMouse,
550 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
551
552 struct SimpleData {
553 int windowid;
554 bool grab; // grab or ungrab?
555 } simpleData;
556};
557
558struct QWSGrabKeyboardCommand : public QWSCommand
559{
560 QWSGrabKeyboardCommand() :
561 QWSCommand(QWSCommand::GrabKeyboard,
562 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
563
564 struct SimpleData {
565 int windowid;
566 bool grab; // grab or ungrab?
567 } simpleData;
568};
569
570#ifndef QT_NO_SOUND
571struct QWSPlaySoundCommand : public QWSCommand
572{
573 QWSPlaySoundCommand() :
574 QWSCommand(QWSCommand::PlaySound,
575 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
576
577 void setData(const char *d, int len, bool allocateMem) {
578 QWSCommand::setData(d, len, allocateMem);
579 filename = QString(reinterpret_cast<QChar*>(rawDataPtr),len/2);
580 }
581 void setFileName(const QString& n)
582 {
583 setData(reinterpret_cast<const char*>(n.unicode()), n.length()*2, true);
584 }
585
586 struct SimpleData {
587 int windowid;
588 } simpleData;
589 QString filename;
590};
591#endif
592
593
594#ifndef QT_NO_COP
595struct QWSQCopRegisterChannelCommand : public QWSCommand
596{
597 QWSQCopRegisterChannelCommand() :
598 QWSCommand(QWSCommand::QCopRegisterChannel,
599 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
600
601 void setData(const char *d, int len, bool allocateMem) {
602 QWSCommand::setData(d, len, allocateMem);
603 if ( simpleData.chLen > MAX_COMMAND_SIZE )
604 {
605 qWarning( "Command channel name too large!" );
606 simpleData.chLen = MAX_COMMAND_SIZE;
607 }
608 if( simpleData.chLen * int(sizeof(QChar)) > len )
609 {
610 qWarning( "register qcop channel command - channel name length %d - buffer size %d - buffer overrun!", simpleData.chLen, len );
611 }
612 else
613 {
614 channel = QString(reinterpret_cast<const QChar*>(d), simpleData.chLen);
615 }
616 }
617
618 void setChannel(const QString& n)
619 {
620 channel = n;
621 simpleData.chLen = channel.length();
622 setData(reinterpret_cast<const char*>(channel.unicode()), simpleData.chLen*2, true);
623 }
624
625 struct SimpleData {
626 int chLen;
627 } simpleData;
628 QString channel;
629};
630
631struct QWSQCopSendCommand : public QWSCommand
632{
633 QWSQCopSendCommand() :
634 QWSCommand(QWSCommand::QCopSend,
635 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
636
637 void setData(const char *d, int len, bool allocateMem) {
638 QWSCommand::setData(d, len, allocateMem);
639
640 if( simpleData.clen * int(sizeof(QChar)) + simpleData.mlen * int(sizeof(QChar)) + simpleData.dlen * int(sizeof(char)) > len )
641 {
642 qWarning( "qcop send command - channel name length %d - message name length %d - data size %d - buffer size %d - buffer overrun!",
643 simpleData.clen, simpleData.mlen, simpleData.dlen, len );
644 }
645 else
646 {
647 const QChar *cd = reinterpret_cast<const QChar*>(d);
648 channel = QString(cd,simpleData.clen); cd += simpleData.clen;
649 message = QString(cd,simpleData.mlen);
650 d += simpleData.clen*sizeof(QChar) + simpleData.mlen*sizeof(QChar);
651 data = QByteArray(d, simpleData.dlen);
652 }
653 }
654
655 void setMessage(const QString &c, const QString &m,
656 const QByteArray &data)
657 {
658 this->channel = c;
659 this->message = m;
660 this->data = data;
661 simpleData.clen = c.length();
662 simpleData.mlen = m.length();
663 simpleData.dlen = data.size();
664 int l = simpleData.clen*sizeof(QChar);
665 l += simpleData.mlen*sizeof(QChar);
666 l += simpleData.dlen;
667 char *tmp = new char[l];
668 char *d = tmp;
669 memcpy(d, c.unicode(), simpleData.clen*sizeof(QChar));
670 d += simpleData.clen*sizeof(QChar);
671 memcpy(d, m.unicode(), simpleData.mlen*sizeof(QChar));
672 d += simpleData.mlen*sizeof(QChar);
673 memcpy(d, data.data(), simpleData.dlen);
674 QWSCommand::setData(tmp, l, false);
675 deleteRaw = true;
676 }
677
678 struct SimpleData {
679 int clen;
680 int mlen;
681 int dlen;
682 } simpleData;
683 QString channel;
684 QString message;
685 QByteArray data;
686};
687
688#endif
689
690
691#ifndef QT_NO_QWS_INPUTMETHODS
692
693struct QWSIMMouseCommand : public QWSCommand
694{
695 QWSIMMouseCommand() :
696 QWSCommand(QWSCommand::IMMouse,
697 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
698
699 struct SimpleData {
700 int windowid;
701 int state;
702 int index;
703 } simpleData;
704};
705
706
707struct QWSIMResponseCommand : public QWSCommand
708{
709 QWSIMResponseCommand() :
710 QWSCommand(QWSCommand::IMResponse,
711 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
712
713 void setData(const char *d, int len, bool allocateMem) {
714 QWSCommand::setData(d, len, allocateMem);
715
716 QByteArray tmp = QByteArray::fromRawData(d, len);
717 QDataStream s(tmp);
718 s >> result;
719 }
720
721 void setResult(const QVariant & v)
722 {
723 QByteArray tmp;
724 QDataStream s(&tmp, QIODevice::WriteOnly);
725 s << v;
726 setData(tmp.data(), tmp.size(), true);
727 }
728
729 struct SimpleData {
730 int windowid;
731 int property;
732 } simpleData;
733
734 QVariant result;
735};
736
737struct QWSIMUpdateCommand: public QWSCommand
738{
739 QWSIMUpdateCommand() :
740 QWSCommand(QWSCommand::IMUpdate,
741 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
742
743 struct SimpleData {
744 int windowid;
745 int type;
746 int widgetid;
747 } simpleData;
748};
749
750#endif
751
752#ifndef QT_NO_QWSEMBEDWIDGET
753struct QWSEmbedCommand : public QWSCommand
754{
755 QWSEmbedCommand() : QWSCommand(QWSCommand::Embed,
756 sizeof(simpleData),
757 reinterpret_cast<char*>(&simpleData))
758 {}
759
760 void setData(const char *d, int len, bool allocateMem = true)
761 {
762 QWSCommand::setData(d, len, allocateMem);
763
764 if( simpleData.rects * int(sizeof(QRect)) > len )
765 {
766 qWarning( "embed command - region rectangle count %d - buffer size %d - buffer overrun!",
767 simpleData.rects, len );
768 }
769 else
770 {
771 region.setRects(reinterpret_cast<QRect*>(rawDataPtr),
772 simpleData.rects);
773 }
774 }
775
776 void setData(WId embedder, WId embedded, QWSEmbedEvent::Type type,
777 const QRegion reg = QRegion())
778 {
779 simpleData.embedder = embedder;
780 simpleData.embedded = embedded;
781 simpleData.type = type;
782
783 region = reg;
784 const QVector<QRect> rects = reg.rects();
785 simpleData.rects = rects.count();
786
787 QWSCommand::setData(reinterpret_cast<const char*>(rects.constData()),
788 rects.count() * sizeof(QRect));
789 }
790
791 struct {
792 WId embedder;
793 WId embedded;
794 QWSEmbedEvent::Type type;
795 int rects;
796 } simpleData;
797
798 QRegion region;
799};
800#endif // QT_NO_QWSEMBEDWIDGET
801
802struct QWSFontCommand : public QWSCommand
803{
804 enum CommandType {
805 StartedUsingFont,
806 StoppedUsingFont
807 };
808
809 QWSFontCommand() :
810 QWSCommand(QWSCommand::Font,
811 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
812
813 void setData(const char *d, int len, bool allocateMem) {
814 QWSCommand::setData(d, len, allocateMem);
815
816 fontName = QByteArray(d, len);
817 }
818
819 void setFontName(const QByteArray &name)
820 {
821 setData(name.constData(), name.size(), true);
822 }
823
824 struct SimpleData {
825 int type;
826 } simpleData;
827
828 QByteArray fontName;
829};
830
831struct QWSScreenTransformCommand : public QWSCommand
832{
833 QWSScreenTransformCommand() :
834 QWSCommand(QWSCommand::ScreenTransform,
835 sizeof(simpleData), reinterpret_cast<char *>(&simpleData)) {}
836
837 void setTransformation(int screen, int transformation)
838 {
839 simpleData.screen = screen;
840 simpleData.transformation = transformation;
841 }
842
843 struct SimpleData {
844 int screen;
845 int transformation;
846 } simpleData;
847};
848
849QT_END_NAMESPACE
850
851#endif // QWSCOMMAND_QWS_P_H
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