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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qwidget.h:1 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>qwidget.h Include File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qwidget.h</h1>
<p>This is the verbatim text of the qwidget.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qwidget.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QWidget class
**
** Created : 931029
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at [email protected].
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QWIDGET_H
#define QWIDGET_H
#ifndef QT_H
#include "qwindowdefs.h"
#include "qobject.h"
#include "qpaintdevice.h"
#include "qpalette.h"
#include "qfont.h"
#include "qfontmetrics.h"
#include "qfontinfo.h"
#include "qsizepolicy.h"
#endif // QT_H
class QLayout;
struct QWExtra;
struct QTLWExtra;
class QFocusData;
class QCursor;
class QWSRegionManager;
class QStyle;
class Q_EXPORT QWidget : public QObject, public QPaintDevice
{
Q_OBJECT
Q_ENUMS( BackgroundMode FocusPolicy BackgroundOrigin )
Q_PROPERTY( bool isTopLevel READ isTopLevel )
Q_PROPERTY( bool isDialog READ isDialog )
Q_PROPERTY( bool isModal READ isModal )
Q_PROPERTY( bool isPopup READ isPopup )
Q_PROPERTY( bool isDesktop READ isDesktop )
Q_PROPERTY( bool enabled READ isEnabled WRITE setEnabled )
Q_PROPERTY( QRect geometry READ geometry WRITE setGeometry )
Q_PROPERTY( QRect frameGeometry READ frameGeometry )
Q_PROPERTY( int x READ x )
Q_PROPERTY( int y READ y )
Q_PROPERTY( QPoint pos READ pos WRITE move DESIGNABLE false STORED false )
Q_PROPERTY( QSize frameSize READ frameSize )
Q_PROPERTY( QSize size READ size WRITE resize DESIGNABLE false STORED false )
Q_PROPERTY( int width READ width )
Q_PROPERTY( int height READ height )
Q_PROPERTY( QRect rect READ rect )
Q_PROPERTY( QRect childrenRect READ childrenRect )
Q_PROPERTY( QRegion childrenRegion READ childrenRegion )
Q_PROPERTY( QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy )
Q_PROPERTY( QSize minimumSize READ minimumSize WRITE setMinimumSize )
Q_PROPERTY( QSize maximumSize READ maximumSize WRITE setMaximumSize )
Q_PROPERTY( int minimumWidth READ minimumWidth WRITE setMinimumWidth STORED false DESIGNABLE false )
Q_PROPERTY( int minimumHeight READ minimumHeight WRITE setMinimumHeight STORED false DESIGNABLE false )
Q_PROPERTY( int maximumWidth READ maximumWidth WRITE setMaximumWidth STORED false DESIGNABLE false )
Q_PROPERTY( int maximumHeight READ maximumHeight WRITE setMaximumHeight STORED false DESIGNABLE false )
Q_PROPERTY( QSize sizeIncrement READ sizeIncrement WRITE setSizeIncrement )
Q_PROPERTY( QSize baseSize READ baseSize WRITE setBaseSize )
Q_PROPERTY( BackgroundMode backgroundMode READ backgroundMode WRITE setBackgroundMode DESIGNABLE false )
Q_PROPERTY( QColor paletteForegroundColor READ paletteForegroundColor WRITE setPaletteForegroundColor RESET unsetPalette )
Q_PROPERTY( QColor paletteBackgroundColor READ paletteBackgroundColor WRITE setPaletteBackgroundColor RESET unsetPalette )
Q_PROPERTY( QPixmap paletteBackgroundPixmap READ paletteBackgroundPixmap WRITE setPaletteBackgroundPixmap RESET unsetPalette )
Q_PROPERTY( QBrush backgroundBrush READ backgroundBrush )
Q_PROPERTY( QColorGroup colorGroup READ colorGroup )
Q_PROPERTY( QPalette palette READ palette WRITE setPalette RESET unsetPalette STORED ownPalette )
Q_PROPERTY( BackgroundOrigin backgroundOrigin READ backgroundOrigin WRITE setBackgroundOrigin )
Q_PROPERTY( bool ownPalette READ ownPalette )
Q_PROPERTY( QFont font READ font WRITE setFont RESET unsetFont STORED ownFont )
Q_PROPERTY( bool ownFont READ ownFont )
#ifndef QT_NO_CURSOR
Q_PROPERTY( QCursor cursor READ cursor WRITE setCursor RESET unsetCursor STORED ownCursor )
Q_PROPERTY( bool ownCursor READ ownCursor )
#endif
#ifndef QT_NO_WIDGET_TOPEXTRA
Q_PROPERTY( QString caption READ caption WRITE setCaption )
Q_PROPERTY( QPixmap icon READ icon WRITE setIcon )
Q_PROPERTY( QString iconText READ iconText WRITE setIconText )
#endif
Q_PROPERTY( bool mouseTracking READ hasMouseTracking WRITE setMouseTracking )
Q_PROPERTY( bool underMouse READ hasMouse )
Q_PROPERTY( bool isActiveWindow READ isActiveWindow )
Q_PROPERTY( bool focusEnabled READ isFocusEnabled )
Q_PROPERTY( FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy )
Q_PROPERTY( bool focus READ hasFocus )
Q_PROPERTY( bool updatesEnabled READ isUpdatesEnabled WRITE setUpdatesEnabled DESIGNABLE false )
Q_PROPERTY( bool visible READ isVisible )
Q_PROPERTY( QRect visibleRect READ visibleRect ) // obsolete
Q_PROPERTY( bool hidden READ isHidden WRITE setHidden DESIGNABLE false SCRIPTABLE false )
Q_PROPERTY( bool shown READ isShown WRITE setShown DESIGNABLE false SCRIPTABLE false )
Q_PROPERTY( bool minimized READ isMinimized )
Q_PROPERTY( bool maximized READ isMaximized )
Q_PROPERTY( bool fullScreen READ isFullScreen )
Q_PROPERTY( QSize sizeHint READ sizeHint )
Q_PROPERTY( QSize minimumSizeHint READ minimumSizeHint )
Q_PROPERTY( QRect microFocusHint READ microFocusHint )
Q_PROPERTY( bool acceptDrops READ acceptDrops WRITE setAcceptDrops )
Q_PROPERTY( bool autoMask READ autoMask WRITE setAutoMask DESIGNABLE false SCRIPTABLE false )
Q_PROPERTY( bool customWhatsThis READ customWhatsThis )
Q_PROPERTY( bool inputMethodEnabled READ isInputMethodEnabled WRITE setInputMethodEnabled DESIGNABLE false SCRIPTABLE false )
Q_PROPERTY( double windowOpacity READ windowOpacity WRITE setWindowOpacity DESIGNABLE false )
public:
Q_EXPLICIT QWidget( QWidget* parent=0, const char* name=0, WFlags f=0 );
~QWidget();
WId winId() const;
void setName( const char *name );
#ifndef QT_NO_STYLE
// GUI style setting
QStyle &style() const;
void setStyle( QStyle * );
QStyle* setStyle( const QString& );
#endif
// Widget types and states
bool isTopLevel() const;
bool isDialog() const;
bool isPopup() const;
bool isDesktop() const;
bool isModal() const;
bool isEnabled() const;
bool isEnabledTo(QWidget*) const;
bool isEnabledToTLW() const;
public slots:
virtual void setEnabled( bool );
void setDisabled( bool );
// Widget coordinates
public:
QRect frameGeometry() const;
const QRect &geometry() const;
int x() const;
int y() const;
QPoint pos() const;
QSize frameSize() const;
QSize size() const;
int width() const;
int height() const;
QRect rect() const;
QRect childrenRect() const;
QRegion childrenRegion() const;
QSize minimumSize() const;
QSize maximumSize() const;
int minimumWidth() const;
int minimumHeight() const;
int maximumWidth() const;
int maximumHeight() const;
void setMinimumSize( const QSize & );
virtual void setMinimumSize( int minw, int minh );
void setMaximumSize( const QSize & );
virtual void setMaximumSize( int maxw, int maxh );
void setMinimumWidth( int minw );
void setMinimumHeight( int minh );
void setMaximumWidth( int maxw );
void setMaximumHeight( int maxh );
QSize sizeIncrement() const;
void setSizeIncrement( const QSize & );
virtual void setSizeIncrement( int w, int h );
QSize baseSize() const;
void setBaseSize( const QSize & );
void setBaseSize( int basew, int baseh );
void setFixedSize( const QSize & );
void setFixedSize( int w, int h );
void setFixedWidth( int w );
void setFixedHeight( int h );
// Widget coordinate mapping
QPoint mapToGlobal( const QPoint & ) const;
QPoint mapFromGlobal( const QPoint & ) const;
QPoint mapToParent( const QPoint & ) const;
QPoint mapFromParent( const QPoint & ) const;
QPoint mapTo( QWidget *, const QPoint & ) const;
QPoint mapFrom( QWidget *, const QPoint & ) const;
QWidget *topLevelWidget() const;
// Widget attribute functions
BackgroundMode backgroundMode() const;
virtual void setBackgroundMode( BackgroundMode );
void setBackgroundMode( BackgroundMode, BackgroundMode );
const QColor & foregroundColor() const;
const QColor & eraseColor() const;
virtual void setEraseColor( const QColor & );
const QPixmap * erasePixmap() const;
virtual void setErasePixmap( const QPixmap & );
#ifndef QT_NO_PALETTE
const QColorGroup & colorGroup() const;
const QPalette & palette() const;
bool ownPalette() const;
virtual void setPalette( const QPalette & );
void unsetPalette();
#endif
const QColor & paletteForegroundColor() const;
void setPaletteForegroundColor( const QColor & );
const QColor & paletteBackgroundColor() const;
virtual void setPaletteBackgroundColor( const QColor & );
const QPixmap * paletteBackgroundPixmap() const;
virtual void setPaletteBackgroundPixmap( const QPixmap & );
const QBrush& backgroundBrush() const;
QFont font() const;
bool ownFont() const;
virtual void setFont( const QFont & );
void unsetFont();
QFontMetrics fontMetrics() const;
QFontInfo fontInfo() const;
#ifndef QT_NO_CURSOR
const QCursor &cursor() const;
bool ownCursor() const;
virtual void setCursor( const QCursor & );
virtual void unsetCursor();
#endif
#ifndef QT_NO_WIDGET_TOPEXTRA
QString caption() const;
const QPixmap *icon() const;
QString iconText() const;
#endif
bool hasMouseTracking() const;
bool hasMouse() const;
virtual void setMask( const QBitmap & );
virtual void setMask( const QRegion & );
void clearMask();
const QColor & backgroundColor() const; // obsolete, use eraseColor()
virtual void setBackgroundColor( const QColor & ); // obsolete, use setEraseColor()
const QPixmap * backgroundPixmap() const; // obsolete, use erasePixmap()
virtual void setBackgroundPixmap( const QPixmap & ); // obsolete, use setErasePixmap()
public slots:
#ifndef QT_NO_WIDGET_TOPEXTRA
virtual void setCaption( const QString &);
virtual void setIcon( const QPixmap & );
virtual void setIconText( const QString &);
#endif
virtual void setMouseTracking( bool enable );
// Keyboard input focus functions
virtual void setFocus();
void clearFocus();
public:
enum FocusPolicy {
NoFocus = 0,
TabFocus = 0x1,
ClickFocus = 0x2,
StrongFocus = TabFocus | ClickFocus | 0x8,
WheelFocus = StrongFocus | 0x4
};
bool isActiveWindow() const;
virtual void setActiveWindow();
bool isFocusEnabled() const;
FocusPolicy focusPolicy() const;
virtual void setFocusPolicy( FocusPolicy );
bool hasFocus() const;
static void setTabOrder( QWidget *, QWidget * );
virtual void setFocusProxy( QWidget * );
QWidget * focusProxy() const;
void setInputMethodEnabled( bool b );
bool isInputMethodEnabled() const;
// Grab functions
void grabMouse();
#ifndef QT_NO_CURSOR
void grabMouse( const QCursor & );
#endif
void releaseMouse();
void grabKeyboard();
void releaseKeyboard();
static QWidget * mouseGrabber();
static QWidget * keyboardGrabber();
// Update/refresh functions
bool isUpdatesEnabled() const;
#if 0 //def Q_WS_QWS
void repaintUnclipped( const QRegion &, bool erase = TRUE );
#endif
public slots:
virtual void setUpdatesEnabled( bool enable );
void update();
void update( int x, int y, int w, int h );
void update( const QRect& );
void repaint();
void repaint( bool erase );
void repaint( int x, int y, int w, int h, bool erase=TRUE );
void repaint( const QRect &, bool erase = TRUE );
void repaint( const QRegion &, bool erase = TRUE );
// Widget management functions
virtual void show();
virtual void hide();
void setShown( bool show );
void setHidden( bool hide );
#ifndef QT_NO_COMPAT
void iconify() { showMinimized(); }
#endif
virtual void showMinimized();
virtual void showMaximized();
void showFullScreen();
virtual void showNormal();
virtual void polish();
void constPolish() const;
bool close();
void raise();
void lower();
void stackUnder( QWidget* );
virtual void move( int x, int y );
void move( const QPoint & );
virtual void resize( int w, int h );
void resize( const QSize & );
virtual void setGeometry( int x, int y, int w, int h );
virtual void setGeometry( const QRect & ); // ### make non virtual in Qt 4?
public:
virtual bool close( bool alsoDelete );
bool isVisible() const;
bool isVisibleTo(QWidget*) const;
bool isVisibleToTLW() const; // obsolete
QRect visibleRect() const; // obsolete
bool isHidden() const;
bool isShown() const;
bool isMinimized() const;
bool isMaximized() const;
bool isFullScreen() const;
uint windowState() const;
void setWindowState(uint windowState);
virtual QSize sizeHint() const;
virtual QSize minimumSizeHint() const;
virtual QSizePolicy sizePolicy() const;
virtual void setSizePolicy( QSizePolicy );
void setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw = FALSE );
virtual int heightForWidth(int) const;
QRegion clipRegion() const;
// ### move together with other slots in Qt 4.0
public slots:
virtual void adjustSize();
public:
#ifndef QT_NO_LAYOUT
QLayout * layout() const { return lay_out; }
#endif
void updateGeometry();
virtual void reparent( QWidget *parent, WFlags, const QPoint &,
bool showIt=FALSE );
void reparent( QWidget *parent, const QPoint &,
bool showIt=FALSE );
#ifndef QT_NO_COMPAT
void recreate( QWidget *parent, WFlags f, const QPoint & p,
bool showIt=FALSE ) { reparent(parent,f,p,showIt); }
#endif
void erase();
void erase( int x, int y, int w, int h );
void erase( const QRect & );
void erase( const QRegion & );
void scroll( int dx, int dy );
void scroll( int dx, int dy, const QRect& );
void drawText( int x, int y, const QString &);
void drawText( const QPoint &, const QString &);
// Misc. functions
QWidget * focusWidget() const;
QRect microFocusHint() const;
// drag and drop
bool acceptDrops() const;
virtual void setAcceptDrops( bool on );
// transparency and pseudo transparency
virtual void setAutoMask(bool);
bool autoMask() const;
enum BackgroundOrigin { WidgetOrigin, ParentOrigin, WindowOrigin, AncestorOrigin };
virtual void setBackgroundOrigin( BackgroundOrigin );
BackgroundOrigin backgroundOrigin() const;
QPoint backgroundOffset() const;
// whats this help
virtual bool customWhatsThis() const;
QWidget * parentWidget( bool sameWindow = FALSE ) const;
WState testWState( WState s ) const;
WFlags testWFlags( WFlags f ) const;
static QWidget * find( WId );
static QWidgetMapper *wmapper();
QWidget *childAt( int x, int y, bool includeThis = FALSE ) const;
QWidget *childAt( const QPoint &, bool includeThis = FALSE ) const;
#if defined(Q_WS_QWS)
virtual QGfx * graphicsContext(bool clip_children=TRUE) const;
#endif
#if defined(Q_WS_MAC)
QRegion clippedRegion(bool do_children=TRUE);
uint clippedSerial(bool do_children=TRUE);
#ifndef QMAC_NO_QUARTZ
CGContextRef macCGContext(bool clipped=TRUE) const;
#endif
#endif
void setWindowOpacity(double level);
double windowOpacity() const;
protected:
// Event handlers
bool event( QEvent * );
virtual void mousePressEvent( QMouseEvent * );
virtual void mouseReleaseEvent( QMouseEvent * );
virtual void mouseDoubleClickEvent( QMouseEvent * );
virtual void mouseMoveEvent( QMouseEvent * );
#ifndef QT_NO_WHEELEVENT
virtual void wheelEvent( QWheelEvent * );
#endif
virtual void keyPressEvent( QKeyEvent * );
virtual void keyReleaseEvent( QKeyEvent * );
virtual void focusInEvent( QFocusEvent * );
virtual void focusOutEvent( QFocusEvent * );
virtual void enterEvent( QEvent * );
virtual void leaveEvent( QEvent * );
virtual void paintEvent( QPaintEvent * );
virtual void moveEvent( QMoveEvent * );
virtual void resizeEvent( QResizeEvent * );
virtual void closeEvent( QCloseEvent * );
virtual void contextMenuEvent( QContextMenuEvent * );
virtual void imStartEvent( QIMEvent * );
virtual void imComposeEvent( QIMEvent * );
virtual void imEndEvent( QIMEvent * );
virtual void tabletEvent( QTabletEvent * );
#ifndef QT_NO_DRAGANDDROP
virtual void dragEnterEvent( QDragEnterEvent * );
virtual void dragMoveEvent( QDragMoveEvent * );
virtual void dragLeaveEvent( QDragLeaveEvent * );
virtual void dropEvent( QDropEvent * );
#endif
virtual void showEvent( QShowEvent * );
virtual void hideEvent( QHideEvent * );
#if defined(Q_WS_MAC)
virtual bool macEvent( MSG * );
#endif
#if defined(Q_WS_WIN)
virtual bool winEvent( MSG * );
#endif
#if defined(Q_WS_X11)
virtual bool x11Event( XEvent * );
#endif
#if defined(Q_WS_QWS)
virtual bool qwsEvent( QWSEvent * );
virtual unsigned char *scanLine( int ) const;
virtual int bytesPerLine() const;
#endif
virtual void updateMask();
// Misc. protected functions
#ifndef QT_NO_STYLE
virtual void styleChange( QStyle& );
#endif
virtual void enabledChange( bool oldEnabled );
#ifndef QT_NO_PALETTE
virtual void paletteChange( const QPalette & );
#endif
virtual void fontChange( const QFont & );
virtual void windowActivationChange( bool oldActive );
int metric( int ) const;
void resetInputContext();
virtual void create( WId = 0, bool initializeWindow = TRUE,
bool destroyOldWindow = TRUE );
virtual void destroy( bool destroyWindow = TRUE,
bool destroySubWindows = TRUE );
uint getWState() const;
virtual void setWState( uint );
void clearWState( uint n );
WFlags getWFlags() const;
virtual void setWFlags( WFlags );
void clearWFlags( WFlags n );
virtual bool focusNextPrevChild( bool next );
QWExtra *extraData();
QTLWExtra *topData();
QFocusData *focusData();
virtual void setKeyCompression(bool);
virtual void setMicroFocusHint(int x, int y, int w, int h, bool text=TRUE, QFont *f = 0);
#if defined(Q_WS_MAC)
void dirtyClippedRegion(bool);
bool isClippedRegionDirty();
virtual void setRegionDirty(bool);
virtual void macWidgetChangedWindow();
#endif
private slots:
void focusProxyDestroyed();
private:
void setFontSys( QFont *f = 0 );
#if defined(Q_WS_X11)
void createInputContext();
void destroyInputContext();
void focusInputContext();
void checkChildrenDnd();
#elif defined(Q_WS_MAC)
uint own_id : 1, macDropEnabled : 1;
EventHandlerRef window_event;
//mac event functions
void propagateUpdates(bool update_rgn=TRUE);
void update( const QRegion& );
//friends, way too many - fix this immediately!
friend void qt_clean_root_win();
friend bool qt_recreate_root_win();
friend QPoint posInWindow(QWidget *);
friend bool qt_mac_update_sizer(QWidget *, int);
friend QWidget *qt_recursive_match(QWidget *widg, int x, int y);
friend bool qt_paint_children(QWidget *,QRegion &, uchar ops);
friend QMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *);
friend void qt_event_request_updates(QWidget *, const QRegion &, bool subtract);
friend bool qt_window_rgn(WId, short, RgnHandle, bool);
friend class QDragManager;
#endif
#ifndef QT_NO_LAYOUT
void setLayout( QLayout *l );
#endif
void setWinId( WId );
void showWindow();
void hideWindow();
void showChildren( bool spontaneous );
void hideChildren( bool spontaneous );
void reparentSys( QWidget *parent, WFlags, const QPoint &, bool showIt);
void createTLExtra();
void createExtra();
void deleteExtra();
void createSysExtra();
void deleteSysExtra();
void createTLSysExtra();
void deleteTLSysExtra();
void deactivateWidgetCleanup();
void internalSetGeometry( int, int, int, int, bool );
void reparentFocusWidgets( QWidget * );
QFocusData *focusData( bool create );
void setBackgroundFromMode();
void setBackgroundColorDirect( const QColor & );
void setBackgroundPixmapDirect( const QPixmap & );
void setBackgroundModeDirect( BackgroundMode );
void setBackgroundEmpty();
void updateFrameStrut() const;
#if defined(Q_WS_X11)
void setBackgroundX11Relative();
#endif
WId winid;
uint widget_state;
uint widget_flags;
uint focus_policy : 4;
uint own_font :1;
uint own_palette :1;
uint sizehint_forced :1;
uint is_closing :1;
uint in_show : 1;
uint in_show_maximized : 1;
uint fstrut_dirty : 1;
uint im_enabled : 1;
QRect crect;
QColor bg_col;
#ifndef QT_NO_PALETTE
QPalette pal;
#endif
QFont fnt;
#ifndef QT_NO_LAYOUT
QLayout *lay_out;
#endif
QWExtra *extra;
#if defined(Q_WS_QWS)
QRegion req_region; // Requested region
mutable QRegion paintable_region; // Paintable region
mutable bool paintable_region_dirty;// needs to be recalculated
mutable QRegion alloc_region; // Allocated region
mutable bool alloc_region_dirty; // needs to be recalculated
mutable int overlapping_children; // Handle overlapping children
int alloc_region_index;
int alloc_region_revision;
void updateOverlappingChildren() const;
void setChildrenAllocatedDirty();
void setChildrenAllocatedDirty( const QRegion &r, const QWidget *dirty=0 );
bool isAllocatedRegionDirty() const;
void updateRequestedRegion( const QPoint &gpos );
QRegion requestedRegion() const;
QRegion allocatedRegion() const;
QRegion paintableRegion() const;
void updateGraphicsContext( QGfx *qgfx_qws, bool clip_children ) const;
#ifndef QT_NO_CURSOR
void updateCursor( const QRegion &r ) const;
#endif
// used to accumulate dirty region when children moved/resized.
QRegion dirtyChildren;
bool isSettingGeometry;
friend class QWSManager;
#endif
static int instanceCounter; // Current number of widget instances
static int maxInstances; // Maximum number of widget instances
static void createMapper();
static void destroyMapper();
static QWidgetList *wList();
static QWidgetList *tlwList();
static QWidgetMapper *mapper;
friend class QApplication;
friend class QBaseApplication;
friend class QPainter;
friend class QFontMetrics;
friend class QFontInfo;
friend class QETWidget;
friend class QLayout;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QWidget( const QWidget & );
QWidget &operator=( const QWidget & );
#endif
public: // obsolete functions to dissappear or to become inline in 3.0
#ifndef QT_NO_PALETTE
void setPalette( const QPalette &p, bool ) { setPalette( p ); }
#endif
void setFont( const QFont &f, bool ) { setFont( f ); }
};
inline Qt::WState QWidget::testWState( WState s ) const
{ return (widget_state & s); }
inline Qt::WFlags QWidget::testWFlags( WFlags f ) const
{ return (widget_flags & f); }
inline WId QWidget::winId() const
{ return winid; }
inline bool QWidget::isTopLevel() const
{ return testWFlags(WType_TopLevel); }
inline bool QWidget::isDialog() const
{ return testWFlags(WType_Dialog); }
inline bool QWidget::isPopup() const
{ return testWFlags(WType_Popup); }
inline bool QWidget::isDesktop() const
{ return testWFlags(WType_Desktop); }
inline bool QWidget::isEnabled() const
{ return !testWState(WState_Disabled); }
inline bool QWidget::isModal() const
{ return testWFlags(WShowModal); }
inline bool QWidget::isEnabledToTLW() const
{ return isEnabled(); }
inline const QRect &QWidget::geometry() const
{ return crect; }
inline QSize QWidget::size() const
{ return crect.size(); }
inline int QWidget::width() const
{ return crect.width(); }
inline int QWidget::height() const
{ return crect.height(); }
inline QRect QWidget::rect() const
{ return QRect(0,0,crect.width(),crect.height()); }
inline int QWidget::minimumWidth() const
{ return minimumSize().width(); }
inline int QWidget::minimumHeight() const
{ return minimumSize().height(); }
inline int QWidget::maximumWidth() const
{ return maximumSize().width(); }
inline int QWidget::maximumHeight() const
{ return maximumSize().height(); }
inline void QWidget::setMinimumSize( const QSize &s )
{ setMinimumSize(s.width(),s.height()); }
inline void QWidget::setMaximumSize( const QSize &s )
{ setMaximumSize(s.width(),s.height()); }
inline void QWidget::setSizeIncrement( const QSize &s )
{ setSizeIncrement(s.width(),s.height()); }
inline void QWidget::setBaseSize( const QSize &s )
{ setBaseSize(s.width(),s.height()); }
inline const QColor &QWidget::eraseColor() const
{ return bg_col; }
#ifndef QT_NO_PALETTE
inline const QPalette &QWidget::palette() const
{ return pal; }
#endif
inline QFont QWidget::font() const
{ return fnt; }
inline QFontMetrics QWidget::fontMetrics() const
{ return QFontMetrics(font()); }
inline QFontInfo QWidget::fontInfo() const
{ return QFontInfo(font()); }
inline bool QWidget::hasMouseTracking() const
{ return testWState(WState_MouseTracking); }
inline bool QWidget::hasMouse() const
{ return testWState(WState_HasMouse); }
inline bool QWidget::isFocusEnabled() const
{ return (FocusPolicy)focus_policy != NoFocus; }
inline QWidget::FocusPolicy QWidget::focusPolicy() const
{ return (FocusPolicy)focus_policy; }
inline bool QWidget::isUpdatesEnabled() const
{ return !testWState(WState_BlockUpdates); }
inline void QWidget::update( const QRect &r )
{ update( r.x(), r.y(), r.width(), r.height() ); }
inline void QWidget::repaint()
{ repaint( TRUE ); }
inline void QWidget::repaint( const QRect &r, bool erase )
{ repaint( r.x(), r.y(), r.width(), r.height(), erase ); }
inline void QWidget::erase()
{ erase( 0, 0, crect.width(), crect.height() ); }
inline void QWidget::erase( const QRect &r )
{ erase( r.x(), r.y(), r.width(), r.height() ); }
inline bool QWidget::close()
{ return close( FALSE ); }
inline bool QWidget::isVisible() const
{ return testWState(WState_Visible); }
inline bool QWidget::isVisibleToTLW() const // obsolete
{ return isVisible(); }
inline bool QWidget::isHidden() const
{ return testWState(WState_ForceHide); }
inline bool QWidget::isShown() const
{ return !testWState(WState_ForceHide); }
inline void QWidget::move( const QPoint &p )
{ move( p.x(), p.y() ); }
inline void QWidget::resize( const QSize &s )
{ resize( s.width(), s.height()); }
inline void QWidget::setGeometry( const QRect &r )
{ setGeometry( r.left(), r.top(), r.width(), r.height() ); }
inline void QWidget::drawText( const QPoint &p, const QString &s )
{ drawText( p.x(), p.y(), s ); }
inline QWidget *QWidget::parentWidget( bool sameWindow ) const
{
if ( sameWindow )
return isTopLevel() ? 0 : (QWidget *)QObject::parent();
return (QWidget *)QObject::parent();
}
inline QWidgetMapper *QWidget::wmapper()
{ return mapper; }
inline uint QWidget::getWState() const
{ return widget_state; }
inline void QWidget::setWState( uint f )
{ widget_state |= f; }
inline void QWidget::clearWState( uint f )
{ widget_state &= ~f; }
inline Qt::WFlags QWidget::getWFlags() const
{ return widget_flags; }
inline void QWidget::setWFlags( WFlags f )
{ widget_flags |= f; }
inline void QWidget::clearWFlags( WFlags f )
{ widget_flags &= ~f; }
inline void QWidget::constPolish() const
{
if ( !testWState(WState_Polished) ) {
QWidget* that = (QWidget*) this;
that->polish();
that->setWState(WState_Polished); // be on the safe side...
}
}
#ifndef QT_NO_CURSOR
inline bool QWidget::ownCursor() const
{
return testWState( WState_OwnCursor );
}
#endif
inline bool QWidget::ownFont() const
{
return own_font;
}
#ifndef QT_NO_PALETTE
inline bool QWidget::ownPalette() const
{
return own_palette;
}
#endif
inline void QWidget::setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw )
{
setSizePolicy( QSizePolicy( hor, ver, hfw) );
}
inline bool QWidget::isInputMethodEnabled() const
{
return (bool)im_enabled;
}
// Extra QWidget data
// - to minimize memory usage for members that are seldom used.
// - top-level widgets have extra extra data to reduce cost further
class QFocusData;
class QWSManager;
#if defined(Q_WS_WIN)
class QOleDropTarget;
#endif
#if defined(Q_WS_MAC)
class QMacDndExtra;
#endif
struct Q_EXPORT QTLWExtra {
#ifndef QT_NO_WIDGET_TOPEXTRA
QString caption; // widget caption
QString iconText; // widget icon text
QPixmap *icon; // widget icon
#endif
QFocusData *focusData; // focus data (for TLW)
short incw, inch; // size increments
// frame strut
ulong fleft, fright, ftop, fbottom;
uint unused : 8; // not used at this point...
#if defined( Q_WS_WIN ) || defined( Q_WS_MAC )
uint opacity : 8; // Stores opacity level on Windows/Mac OS X.
#endif
uint savedFlags; // Save widgetflags while showing fullscreen
short basew, baseh; // base sizes
#if defined(Q_WS_X11)
WId parentWinId; // parent window Id (valid after reparenting)
uint embedded : 1; // window is embedded in another Qt application
uint spont_unmapped: 1; // window was spontaneously unmapped
uint reserved: 1; // reserved
uint dnd : 1; // DND properties installed
uint uspos : 1; // User defined position
uint ussize : 1; // User defined size
void *xic; // XIM Input Context
#endif
#if defined(Q_WS_MAC)
WindowGroupRef group;
uint is_moved: 1;
uint resizer : 4;
#endif
#if defined(Q_WS_QWS) && !defined ( QT_NO_QWS_MANAGER )
QRegion decor_allocated_region; // decoration allocated region
QWSManager *qwsManager;
#endif
#if defined(Q_WS_WIN)
HICON winIcon; // internal Windows icon
#endif
QRect normalGeometry; // used by showMin/maximized/FullScreen
#ifdef Q_WS_WIN
uint style, exstyle;
#endif
};
#define QWIDGETSIZE_MAX 32767
// dear user: you can see this struct, but it is internal. do not touch.
struct Q_EXPORT QWExtra {
Q_INT16 minw, minh; // minimum size
Q_INT16 maxw, maxh; // maximum size
QPixmap *bg_pix; // background pixmap
QWidget *focus_proxy;
#ifndef QT_NO_CURSOR
QCursor *curs;
#endif
QTLWExtra *topextra; // only useful for TLWs
#if defined(Q_WS_WIN)
QOleDropTarget *dropTarget; // drop target
#endif
#if defined(Q_WS_X11)
WId xDndProxy; // XDND forwarding to embedded windows
#endif
#if defined(Q_WS_MAC)
QRegion clip_saved, clip_sibs, clip_children;
QMacDndExtra *macDndExtra;
QRegion dirty_area;
uint clip_dirty : 1, clip_serial : 15;
uint child_dirty : 1, child_serial : 15;
#ifndef QMAC_NO_QUARTZ
uint ctx_children_clipped:1;
#endif // QMAC_NO_QUARTZ
uint has_dirty_area:1;
#endif // Q_WS_MAC
uint bg_origin : 2;
#if defined(Q_WS_X11)
uint children_use_dnd : 1;
uint compress_events : 1;
#endif
#if defined(Q_WS_QWS) || defined(Q_WS_MAC)
QRegion mask; // widget mask
#endif
char bg_mode; // background mode
char bg_mode_visual; // visual background mode
#ifndef QT_NO_STYLE
QStyle* style;
#endif
QRect micro_focus_hint; // micro focus hint
QSizePolicy size_policy;
};
#define Q_DEFINED_QWIDGET
#include "qwinexport.h"
#endif // QWIDGET_H
</pre>
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright © 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>
|
