source: trunk/src/gui/kernel/qwidget.h@ 187

Last change on this file since 187 was 115, checked in by Dmitry A. Kuminov, 16 years ago

gui: Added OS/2 support to QRasterWindowSurface and to QNativeImage (this gives us rendering of the widget contents in double-buffer mode).
File size: 36.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QWIDGET_H
43#define QWIDGET_H
44
45#include <QtGui/qwindowdefs.h>
46#include <QtCore/qobject.h>
47#include <QtGui/qpaintdevice.h>
48#include <QtGui/qpalette.h>
49#include <QtGui/qfont.h>
50#include <QtGui/qfontmetrics.h>
51#include <QtGui/qfontinfo.h>
52#include <QtGui/qsizepolicy.h>
53#include <QtGui/qregion.h>
54#include <QtGui/qbrush.h>
55#include <QtGui/qcursor.h>
56#include <QtGui/qkeysequence.h>
57
58#ifdef QT_INCLUDE_COMPAT
59#include <QtGui/qevent.h>
60#endif
61
62QT_BEGIN_HEADER
63
64QT_BEGIN_NAMESPACE
65
66QT_MODULE(Gui)
67
68class QLayout;
69class QWSRegionManager;
70class QStyle;
71class QAction;
72class QVariant;
73
74class QActionEvent;
75class QMouseEvent;
76class QWheelEvent;
77class QHoverEvent;
78class QKeyEvent;
79class QFocusEvent;
80class QPaintEvent;
81class QMoveEvent;
82class QResizeEvent;
83class QCloseEvent;
84class QContextMenuEvent;
85class QInputMethodEvent;
86class QTabletEvent;
87class QDragEnterEvent;
88class QDragMoveEvent;
89class QDragLeaveEvent;
90class QDropEvent;
91class QShowEvent;
92class QHideEvent;
93class QInputContext;
94class QIcon;
95class QWindowSurface;
96class QLocale;
97class QGraphicsProxyWidget;
98#if defined(Q_WS_X11)
99class QX11Info;
100#endif
101
102class QWidgetData
103{
104public:
105 WId winid;
106 uint widget_attributes;
107 Qt::WindowFlags window_flags;
108 uint window_state : 4;
109 uint focus_policy : 4;
110 uint sizehint_forced :1;
111 uint is_closing :1;
112 uint in_show : 1;
113 uint in_set_window_state : 1;
114 mutable uint fstrut_dirty : 1;
115 uint context_menu_policy : 3;
116 uint window_modality : 2;
117 uint in_destructor : 1;
118 uint unused : 13;
119 QRect crect;
120 mutable QPalette pal;
121 QFont fnt;
122#if defined(Q_WS_QWS)
123// QRegion req_region; // Requested region
124// mutable QRegion paintable_region; // Paintable region
125// mutable bool paintable_region_dirty;// needs to be recalculated
126// mutable QRegion alloc_region; // Allocated region
127// mutable bool alloc_region_dirty; // needs to be recalculated
128// mutable int overlapping_children; // Handle overlapping children
129
130 int alloc_region_index;
131// int alloc_region_revision;
132#endif
133#if defined(Q_OS_WINCE)
134 uint window_state_internal : 4;
135#endif
136 QRect wrect;
137};
138
139class QWidgetPrivate;
140
141class Q_GUI_EXPORT QWidget : public QObject, public QPaintDevice
142{
143 Q_OBJECT
144 Q_DECLARE_PRIVATE(QWidget)
145
146 Q_PROPERTY(bool modal READ isModal)
147 Q_PROPERTY(Qt::WindowModality windowModality READ windowModality WRITE setWindowModality)
148 Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
149 Q_PROPERTY(QRect geometry READ geometry WRITE setGeometry)
150 Q_PROPERTY(QRect frameGeometry READ frameGeometry)
151 Q_PROPERTY(QRect normalGeometry READ normalGeometry)
152 Q_PROPERTY(int x READ x)
153 Q_PROPERTY(int y READ y)
154 Q_PROPERTY(QPoint pos READ pos WRITE move DESIGNABLE false STORED false)
155 Q_PROPERTY(QSize frameSize READ frameSize)
156 Q_PROPERTY(QSize size READ size WRITE resize DESIGNABLE false STORED false)
157 Q_PROPERTY(int width READ width)
158 Q_PROPERTY(int height READ height)
159 Q_PROPERTY(QRect rect READ rect)
160 Q_PROPERTY(QRect childrenRect READ childrenRect)
161 Q_PROPERTY(QRegion childrenRegion READ childrenRegion)
162 Q_PROPERTY(QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy)
163 Q_PROPERTY(QSize minimumSize READ minimumSize WRITE setMinimumSize)
164 Q_PROPERTY(QSize maximumSize READ maximumSize WRITE setMaximumSize)
165 Q_PROPERTY(int minimumWidth READ minimumWidth WRITE setMinimumWidth STORED false DESIGNABLE false)
166 Q_PROPERTY(int minimumHeight READ minimumHeight WRITE setMinimumHeight STORED false DESIGNABLE false)
167 Q_PROPERTY(int maximumWidth READ maximumWidth WRITE setMaximumWidth STORED false DESIGNABLE false)
168 Q_PROPERTY(int maximumHeight READ maximumHeight WRITE setMaximumHeight STORED false DESIGNABLE false)
169 Q_PROPERTY(QSize sizeIncrement READ sizeIncrement WRITE setSizeIncrement)
170 Q_PROPERTY(QSize baseSize READ baseSize WRITE setBaseSize)
171 Q_PROPERTY(QPalette palette READ palette WRITE setPalette)
172 Q_PROPERTY(QFont font READ font WRITE setFont)
173#ifndef QT_NO_CURSOR
174 Q_PROPERTY(QCursor cursor READ cursor WRITE setCursor RESET unsetCursor)
175#endif
176 Q_PROPERTY(bool mouseTracking READ hasMouseTracking WRITE setMouseTracking)
177 Q_PROPERTY(bool isActiveWindow READ isActiveWindow)
178 Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy)
179 Q_PROPERTY(bool focus READ hasFocus)
180 Q_PROPERTY(Qt::ContextMenuPolicy contextMenuPolicy READ contextMenuPolicy WRITE setContextMenuPolicy)
181 Q_PROPERTY(bool updatesEnabled READ updatesEnabled WRITE setUpdatesEnabled DESIGNABLE false)
182 Q_PROPERTY(bool visible READ isVisible WRITE setVisible DESIGNABLE false)
183 Q_PROPERTY(bool minimized READ isMinimized)
184 Q_PROPERTY(bool maximized READ isMaximized)
185 Q_PROPERTY(bool fullScreen READ isFullScreen)
186 Q_PROPERTY(QSize sizeHint READ sizeHint)
187 Q_PROPERTY(QSize minimumSizeHint READ minimumSizeHint)
188 Q_PROPERTY(bool acceptDrops READ acceptDrops WRITE setAcceptDrops)
189 Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle DESIGNABLE isWindow)
190 Q_PROPERTY(QIcon windowIcon READ windowIcon WRITE setWindowIcon DESIGNABLE isWindow)
191 Q_PROPERTY(QString windowIconText READ windowIconText WRITE setWindowIconText DESIGNABLE isWindow)
192 Q_PROPERTY(double windowOpacity READ windowOpacity WRITE setWindowOpacity DESIGNABLE isWindow)
193 Q_PROPERTY(bool windowModified READ isWindowModified WRITE setWindowModified DESIGNABLE isWindow)
194#ifndef QT_NO_TOOLTIP
195 Q_PROPERTY(QString toolTip READ toolTip WRITE setToolTip)
196#endif
197#ifndef QT_NO_STATUSTIP
198 Q_PROPERTY(QString statusTip READ statusTip WRITE setStatusTip)
199#endif
200#ifndef QT_NO_WHATSTHIS
201 Q_PROPERTY(QString whatsThis READ whatsThis WRITE setWhatsThis)
202#endif
203#ifndef QT_NO_ACCESSIBILITY
204 Q_PROPERTY(QString accessibleName READ accessibleName WRITE setAccessibleName)
205 Q_PROPERTY(QString accessibleDescription READ accessibleDescription WRITE setAccessibleDescription)
206#endif
207 Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection)
208 QDOC_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)
209 Q_PROPERTY(bool autoFillBackground READ autoFillBackground WRITE setAutoFillBackground)
210#ifndef QT_NO_STYLE_STYLESHEET
211 Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
212#endif
213 Q_PROPERTY(QLocale locale READ locale WRITE setLocale RESET unsetLocale)
214 Q_PROPERTY(QString windowFilePath READ windowFilePath WRITE setWindowFilePath DESIGNABLE isWindow)
215
216public:
217 enum RenderFlag {
218 DrawWindowBackground = 0x1,
219 DrawChildren = 0x2,
220 IgnoreMask = 0x4
221 };
222 Q_DECLARE_FLAGS(RenderFlags, RenderFlag)
223
224 explicit QWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
225#ifdef QT3_SUPPORT
226 QT3_SUPPORT_CONSTRUCTOR QWidget(QWidget* parent, const char *name, Qt::WindowFlags f = 0);
227#endif
228 ~QWidget();
229
230 int devType() const;
231
232 WId winId() const;
233 void createWinId(); // internal, going away
234 inline WId internalWinId() const { return data->winid; }
235 WId effectiveWinId() const;
236
237 // GUI style setting
238 QStyle *style() const;
239 void setStyle(QStyle *);
240 // Widget types and states
241
242 bool isTopLevel() const;
243 bool isWindow() const;
244
245 bool isModal() const;
246 Qt::WindowModality windowModality() const;
247 void setWindowModality(Qt::WindowModality windowModality);
248
249 bool isEnabled() const;
250 bool isEnabledTo(QWidget*) const;
251 bool isEnabledToTLW() const;
252
253public Q_SLOTS:
254 void setEnabled(bool);
255 void setDisabled(bool);
256 void setWindowModified(bool);
257
258 // Widget coordinates
259
260public:
261 QRect frameGeometry() const;
262 const QRect &geometry() const;
263 QRect normalGeometry() const;
264
265 int x() const;
266 int y() const;
267 QPoint pos() const;
268 QSize frameSize() const;
269 QSize size() const;
270 inline int width() const;
271 inline int height() const;
272 inline QRect rect() const;
273 QRect childrenRect() const;
274 QRegion childrenRegion() const;
275
276 QSize minimumSize() const;
277 QSize maximumSize() const;
278 int minimumWidth() const;
279 int minimumHeight() const;
280 int maximumWidth() const;
281 int maximumHeight() const;
282 void setMinimumSize(const QSize &);
283 void setMinimumSize(int minw, int minh);
284 void setMaximumSize(const QSize &);
285 void setMaximumSize(int maxw, int maxh);
286 void setMinimumWidth(int minw);
287 void setMinimumHeight(int minh);
288 void setMaximumWidth(int maxw);
289 void setMaximumHeight(int maxh);
290
291 QSize sizeIncrement() const;
292 void setSizeIncrement(const QSize &);
293 void setSizeIncrement(int w, int h);
294 QSize baseSize() const;
295 void setBaseSize(const QSize &);
296 void setBaseSize(int basew, int baseh);
297
298 void setFixedSize(const QSize &);
299 void setFixedSize(int w, int h);
300 void setFixedWidth(int w);
301 void setFixedHeight(int h);
302
303 // Widget coordinate mapping
304
305 QPoint mapToGlobal(const QPoint &) const;
306 QPoint mapFromGlobal(const QPoint &) const;
307 QPoint mapToParent(const QPoint &) const;
308 QPoint mapFromParent(const QPoint &) const;
309 QPoint mapTo(QWidget *, const QPoint &) const;
310 QPoint mapFrom(QWidget *, const QPoint &) const;
311
312 QWidget *window() const;
313 QWidget *nativeParentWidget() const;
314 inline QWidget *topLevelWidget() const { return window(); }
315
316 // Widget appearance functions
317 const QPalette &palette() const;
318 void setPalette(const QPalette &);
319
320 void setBackgroundRole(QPalette::ColorRole);
321 QPalette::ColorRole backgroundRole() const;
322
323 void setForegroundRole(QPalette::ColorRole);
324 QPalette::ColorRole foregroundRole() const;
325
326 const QFont &font() const;
327 void setFont(const QFont &);
328 QFontMetrics fontMetrics() const;
329 QFontInfo fontInfo() const;
330
331#ifndef QT_NO_CURSOR
332 QCursor cursor() const;
333 void setCursor(const QCursor &);
334 void unsetCursor();
335#endif
336
337 void setMouseTracking(bool enable);
338 bool hasMouseTracking() const;
339 bool underMouse() const;
340
341 void setMask(const QBitmap &);
342 void setMask(const QRegion &);
343 QRegion mask() const;
344 void clearMask();
345
346 void render(QPaintDevice *target, const QPoint &targetOffset = QPoint(),
347 const QRegion &sourceRegion = QRegion(),
348 RenderFlags renderFlags = RenderFlags(DrawWindowBackground | DrawChildren));
349
350 void render(QPainter *painter, const QPoint &targetOffset = QPoint(),
351 const QRegion &sourceRegion = QRegion(),
352 RenderFlags renderFlags = RenderFlags(DrawWindowBackground | DrawChildren));
353
354public Q_SLOTS:
355 void setWindowTitle(const QString &);
356#ifndef QT_NO_STYLE_STYLESHEET
357 void setStyleSheet(const QString& styleSheet);
358#endif
359public:
360#ifndef QT_NO_STYLE_STYLESHEET
361 QString styleSheet() const;
362#endif
363 QString windowTitle() const;
364 void setWindowIcon(const QIcon &icon);
365 QIcon windowIcon() const;
366 void setWindowIconText(const QString &);
367 QString windowIconText() const;
368 void setWindowRole(const QString &);
369 QString windowRole() const;
370 void setWindowFilePath(const QString &filePath);
371 QString windowFilePath() const;
372
373 void setWindowOpacity(qreal level);
374 qreal windowOpacity() const;
375
376 bool isWindowModified() const;
377#ifndef QT_NO_TOOLTIP
378 void setToolTip(const QString &);
379 QString toolTip() const;
380#endif
381#ifndef QT_NO_STATUSTIP
382 void setStatusTip(const QString &);
383 QString statusTip() const;
384#endif
385#ifndef QT_NO_WHATSTHIS
386 void setWhatsThis(const QString &);
387 QString whatsThis() const;
388#endif
389#ifndef QT_NO_ACCESSIBILITY
390 QString accessibleName() const;
391 void setAccessibleName(const QString &name);
392 QString accessibleDescription() const;
393 void setAccessibleDescription(const QString &description);
394#endif
395
396 void setLayoutDirection(Qt::LayoutDirection direction);
397 Qt::LayoutDirection layoutDirection() const;
398 void unsetLayoutDirection();
399
400 void setLocale(const QLocale &locale);
401 QLocale locale() const;
402 void unsetLocale();
403
404 inline bool isRightToLeft() const { return layoutDirection() == Qt::RightToLeft; }
405 inline bool isLeftToRight() const { return layoutDirection() == Qt::LeftToRight; }
406
407public Q_SLOTS:
408 inline void setFocus() { setFocus(Qt::OtherFocusReason); }
409
410public:
411 bool isActiveWindow() const;
412 void activateWindow();
413 void clearFocus();
414
415 void setFocus(Qt::FocusReason reason);
416 Qt::FocusPolicy focusPolicy() const;
417 void setFocusPolicy(Qt::FocusPolicy policy);
418 bool hasFocus() const;
419 static void setTabOrder(QWidget *, QWidget *);
420 void setFocusProxy(QWidget *);
421 QWidget *focusProxy() const;
422 Qt::ContextMenuPolicy contextMenuPolicy() const;
423 void setContextMenuPolicy(Qt::ContextMenuPolicy policy);
424
425 // Grab functions
426 void grabMouse();
427#ifndef QT_NO_CURSOR
428 void grabMouse(const QCursor &);
429#endif
430 void releaseMouse();
431 void grabKeyboard();
432 void releaseKeyboard();
433#ifndef QT_NO_SHORTCUT
434 int grabShortcut(const QKeySequence &key, Qt::ShortcutContext context = Qt::WindowShortcut);
435 void releaseShortcut(int id);
436 void setShortcutEnabled(int id, bool enable = true);
437 void setShortcutAutoRepeat(int id, bool enable = true);
438#endif
439 static QWidget *mouseGrabber();
440 static QWidget *keyboardGrabber();
441
442 // Update/refresh functions
443 inline bool updatesEnabled() const;
444 void setUpdatesEnabled(bool enable);
445
446#if 0 //def Q_WS_QWS
447 void repaintUnclipped(const QRegion &, bool erase = true);
448#endif
449
450#ifndef QT_NO_GRAPHICSVIEW
451 QGraphicsProxyWidget *graphicsProxyWidget() const;
452#endif
453
454public Q_SLOTS:
455 void update();
456 void repaint();
457
458public:
459 inline void update(int x, int y, int w, int h);
460 void update(const QRect&);
461 void update(const QRegion&);
462
463 void repaint(int x, int y, int w, int h);
464 void repaint(const QRect &);
465 void repaint(const QRegion &);
466
467public Q_SLOTS:
468 // Widget management functions
469
470 virtual void setVisible(bool visible);
471 inline void setHidden(bool hidden) { setVisible(!hidden); }
472#ifndef Q_OS_WINCE
473 inline void show() { setVisible(true); }
474#else
475 void show();
476#endif
477 inline void hide() { setVisible(false); }
478 inline QT_MOC_COMPAT void setShown(bool shown) { setVisible(shown); }
479
480 void showMinimized();
481 void showMaximized();
482 void showFullScreen();
483 void showNormal();
484
485 bool close();
486 void raise();
487 void lower();
488
489public:
490 void stackUnder(QWidget*);
491 void move(int x, int y);
492 void move(const QPoint &);
493 void resize(int w, int h);
494 void resize(const QSize &);
495 inline void setGeometry(int x, int y, int w, int h);
496 void setGeometry(const QRect &);
497 QByteArray saveGeometry() const;
498 bool restoreGeometry(const QByteArray &geometry);
499 void adjustSize();
500 bool isVisible() const;
501 bool isVisibleTo(QWidget*) const;
502 // ### Qt 5: bool isVisibleTo(_const_ QWidget *) const
503 inline bool isHidden() const;
504
505 bool isMinimized() const;
506 bool isMaximized() const;
507 bool isFullScreen() const;
508
509 Qt::WindowStates windowState() const;
510 void setWindowState(Qt::WindowStates state);
511 void overrideWindowState(Qt::WindowStates state);
512
513 virtual QSize sizeHint() const;
514 virtual QSize minimumSizeHint() const;
515
516 QSizePolicy sizePolicy() const;
517 void setSizePolicy(QSizePolicy);
518 inline void setSizePolicy(QSizePolicy::Policy horizontal, QSizePolicy::Policy vertical);
519 virtual int heightForWidth(int) const;
520
521 QRegion visibleRegion() const;
522
523 void setContentsMargins(int left, int top, int right, int bottom);
524 void getContentsMargins(int *left, int *top, int *right, int *bottom) const;
525 QRect contentsRect() const;
526
527public:
528 QLayout *layout() const;
529 void setLayout(QLayout *);
530 void updateGeometry();
531
532 void setParent(QWidget *parent);
533 void setParent(QWidget *parent, Qt::WindowFlags f);
534
535 void scroll(int dx, int dy);
536 void scroll(int dx, int dy, const QRect&);
537
538 // Misc. functions
539
540 QWidget *focusWidget() const;
541 QWidget *nextInFocusChain() const;
542
543 // drag and drop
544 bool acceptDrops() const;
545 void setAcceptDrops(bool on);
546
547#ifndef QT_NO_ACTION
548 //actions
549 void addAction(QAction *action);
550 void addActions(QList<QAction*> actions);
551 void insertAction(QAction *before, QAction *action);
552 void insertActions(QAction *before, QList<QAction*> actions);
553 void removeAction(QAction *action);
554 QList<QAction*> actions() const;
555#endif
556
557 QWidget *parentWidget() const;
558
559 void setWindowFlags(Qt::WindowFlags type);
560 inline Qt::WindowFlags windowFlags() const;
561 void overrideWindowFlags(Qt::WindowFlags type);
562
563 inline Qt::WindowType windowType() const;
564
565 static QWidget *find(WId);
566#ifdef QT3_SUPPORT
567 static QT3_SUPPORT QWidgetMapper *wmapper();
568#endif
569 inline QWidget *childAt(int x, int y) const;
570 QWidget *childAt(const QPoint &p) const;
571
572#if defined(Q_WS_X11)
573 const QX11Info &x11Info() const;
574 Qt::HANDLE x11PictureHandle() const;
575#endif
576
577#if defined(Q_WS_MAC)
578 Qt::HANDLE macQDHandle() const;
579 Qt::HANDLE macCGHandle() const;
580#endif
581
582#if defined(Q_WS_WIN)
583 HDC getDC() const;
584 void releaseDC(HDC) const;
585#elif defined(Q_WS_PM)
586 HPS getPS() const;
587 void releasePS(HPS) const;
588#else
589 Qt::HANDLE handle() const;
590#endif
591
592 void setAttribute(Qt::WidgetAttribute, bool on = true);
593 inline bool testAttribute(Qt::WidgetAttribute) const;
594
595 QPaintEngine *paintEngine() const;
596
597 void ensurePolished() const;
598
599 QInputContext *inputContext();
600 void setInputContext(QInputContext *);
601
602 bool isAncestorOf(const QWidget *child) const;
603
604#ifdef QT_KEYPAD_NAVIGATION
605 bool hasEditFocus() const;
606 void setEditFocus(bool on);
607#endif
608
609 bool autoFillBackground() const;
610 void setAutoFillBackground(bool enabled);
611
612 void setWindowSurface(QWindowSurface *surface);
613 QWindowSurface *windowSurface() const;
614
615Q_SIGNALS:
616 void customContextMenuRequested(const QPoint &pos);
617
618protected:
619 // Event handlers
620 bool event(QEvent *);
621 virtual void mousePressEvent(QMouseEvent *);
622 virtual void mouseReleaseEvent(QMouseEvent *);
623 virtual void mouseDoubleClickEvent(QMouseEvent *);
624 virtual void mouseMoveEvent(QMouseEvent *);
625#ifndef QT_NO_WHEELEVENT
626 virtual void wheelEvent(QWheelEvent *);
627#endif
628 virtual void keyPressEvent(QKeyEvent *);
629 virtual void keyReleaseEvent(QKeyEvent *);
630 virtual void focusInEvent(QFocusEvent *);
631 virtual void focusOutEvent(QFocusEvent *);
632 virtual void enterEvent(QEvent *);
633 virtual void leaveEvent(QEvent *);
634 virtual void paintEvent(QPaintEvent *);
635 virtual void moveEvent(QMoveEvent *);
636 virtual void resizeEvent(QResizeEvent *);
637 virtual void closeEvent(QCloseEvent *);
638#ifndef QT_NO_CONTEXTMENU
639 virtual void contextMenuEvent(QContextMenuEvent *);
640#endif
641#ifndef QT_NO_TABLETEVENT
642 virtual void tabletEvent(QTabletEvent *);
643#endif
644#ifndef QT_NO_ACTION
645 virtual void actionEvent(QActionEvent *);
646#endif
647
648#ifndef QT_NO_DRAGANDDROP
649 virtual void dragEnterEvent(QDragEnterEvent *);
650 virtual void dragMoveEvent(QDragMoveEvent *);
651 virtual void dragLeaveEvent(QDragLeaveEvent *);
652 virtual void dropEvent(QDropEvent *);
653#endif
654
655 virtual void showEvent(QShowEvent *);
656 virtual void hideEvent(QHideEvent *);
657
658#if defined(Q_WS_MAC)
659 virtual bool macEvent(EventHandlerCallRef, EventRef);
660#endif
661#if defined(Q_WS_WIN)
662 virtual bool winEvent(MSG *message, long *result);
663#endif
664#if defined(Q_WS_PM)
665 virtual bool pmEvent(QMSG *message, MRESULT *result);
666#endif
667#if defined(Q_WS_X11)
668 virtual bool x11Event(XEvent *);
669#endif
670#if defined(Q_WS_QWS)
671 virtual bool qwsEvent(QWSEvent *);
672#endif
673
674 // Misc. protected functions
675 virtual void changeEvent(QEvent *);
676
677 int metric(PaintDeviceMetric) const;
678
679 virtual void inputMethodEvent(QInputMethodEvent *);
680public:
681 virtual QVariant inputMethodQuery(Qt::InputMethodQuery) const;
682protected:
683 void resetInputContext();
684protected Q_SLOTS:
685 void updateMicroFocus();
686protected:
687
688 void create(WId = 0, bool initializeWindow = true,
689 bool destroyOldWindow = true);
690 void destroy(bool destroyWindow = true,
691 bool destroySubWindows = true);
692
693 virtual bool focusNextPrevChild(bool next);
694 inline bool focusNextChild() { return focusNextPrevChild(true); }
695 inline bool focusPreviousChild() { return focusNextPrevChild(false); }
696
697protected:
698 QWidget(QWidgetPrivate &d, QWidget* parent, Qt::WindowFlags f);
699private:
700
701 bool testAttribute_helper(Qt::WidgetAttribute) const;
702
703 QLayout *takeLayout();
704
705 friend class QBackingStoreDevice;
706 friend class QWidgetBackingStore;
707 friend class QApplication;
708 friend class QApplicationPrivate;
709 friend class QBaseApplication;
710 friend class QPainter;
711 friend class QPainterPrivate;
712 friend class QPixmap; // for QPixmap::fill()
713 friend class QFontMetrics;
714 friend class QFontInfo;
715 friend class QETWidget;
716 friend class QLayout;
717 friend class QWidgetItem;
718 friend class QWidgetItemV2;
719 friend class QGLContext;
720 friend class QGLWidget;
721 friend class QGLWindowSurface;
722 friend class QVGWindowSurface;
723 friend class QX11PaintEngine;
724 friend class QWin32PaintEngine;
725 friend class QShortcutPrivate;
726 friend class QShortcutMap;
727 friend class QWindowSurface;
728 friend class QD3DWindowSurface;
729 friend class QGraphicsProxyWidget;
730 friend class QGraphicsProxyWidgetPrivate;
731 friend class QStyleSheetStyle;
732
733#ifdef Q_WS_MAC
734 friend class QCoreGraphicsPaintEnginePrivate;
735 friend QPoint qt_mac_posInWindow(const QWidget *w);
736 friend OSWindowRef qt_mac_window_for(const QWidget *w);
737 friend bool qt_mac_is_metal(const QWidget *w);
738 friend OSViewRef qt_mac_nativeview_for(const QWidget *w);
739 friend void qt_event_request_window_change(QWidget *widget);
740 friend bool qt_mac_sendMacEventToWidget(QWidget *widget, EventRef ref);
741#endif
742#ifdef Q_WS_QWS
743 friend class QWSBackingStore;
744 friend class QWSManager;
745 friend class QWSManagerPrivate;
746 friend class QDecoration;
747 friend class QWSWindowSurface;
748 friend class QScreen;
749 friend class QVNCScreen;
750 friend bool isWidgetOpaque(const QWidget *);
751 friend class QGLWidgetPrivate;
752#endif
753#ifdef Q_WS_X11
754 friend void qt_net_update_user_time(QWidget *tlw, unsigned long timestamp);
755 friend void qt_net_remove_user_time(QWidget *tlw);
756#endif
757
758 friend Q_GUI_EXPORT QWidgetData *qt_qwidget_data(QWidget *widget);
759 friend Q_GUI_EXPORT QWidgetPrivate *qt_widget_private(QWidget *widget);
760
761private:
762 Q_DISABLE_COPY(QWidget)
763 Q_PRIVATE_SLOT(d_func(), void _q_showIfNotHidden())
764
765 QWidgetData *data;
766
767#ifdef QT3_SUPPORT
768public:
769 inline QT3_SUPPORT bool isUpdatesEnabled() const { return updatesEnabled(); }
770 QT3_SUPPORT QStyle *setStyle(const QString&);
771 inline QT3_SUPPORT bool isVisibleToTLW() const;
772 QT3_SUPPORT QRect visibleRect() const;
773 inline QT3_SUPPORT void iconify() { showMinimized(); }
774 inline QT3_SUPPORT void constPolish() const { ensurePolished(); }
775 inline QT3_SUPPORT void polish() { ensurePolished(); }
776 inline QT3_SUPPORT void reparent(QWidget *parent, Qt::WindowFlags f, const QPoint &p, bool showIt=false)
777 { setParent(parent, f); setGeometry(p.x(),p.y(),width(),height()); if (showIt) show(); }
778 inline QT3_SUPPORT void reparent(QWidget *parent, const QPoint &p, bool showIt=false)
779 { setParent(parent, windowFlags() & ~Qt::WindowType_Mask); setGeometry(p.x(),p.y(),width(),height()); if (showIt) show(); }
780 inline QT3_SUPPORT void recreate(QWidget *parent, Qt::WindowFlags f, const QPoint & p, bool showIt=false)
781 { setParent(parent, f); setGeometry(p.x(),p.y(),width(),height()); if (showIt) show(); }
782 inline QT3_SUPPORT void setSizePolicy(QSizePolicy::Policy hor, QSizePolicy::Policy ver, bool hfw)
783 { QSizePolicy sp(hor, ver); sp.setHeightForWidth(hfw); setSizePolicy(sp);}
784 inline QT3_SUPPORT bool hasMouse() const { return testAttribute(Qt::WA_UnderMouse); }
785#ifndef QT_NO_CURSOR
786 inline QT3_SUPPORT bool ownCursor() const { return testAttribute(Qt::WA_SetCursor); }
787#endif
788 inline QT3_SUPPORT bool ownFont() const { return testAttribute(Qt::WA_SetFont); }
789 inline QT3_SUPPORT void unsetFont() { setFont(QFont()); }
790 inline QT3_SUPPORT bool ownPalette() const { return testAttribute(Qt::WA_SetPalette); }
791 inline QT3_SUPPORT void unsetPalette() { setPalette(QPalette()); }
792 Qt::BackgroundMode QT3_SUPPORT backgroundMode() const;
793 void QT3_SUPPORT setBackgroundMode(Qt::BackgroundMode, Qt::BackgroundMode = Qt::PaletteBackground);
794 const QT3_SUPPORT QColor &eraseColor() const;
795 void QT3_SUPPORT setEraseColor(const QColor &);
796 const QT3_SUPPORT QColor &foregroundColor() const;
797 const QT3_SUPPORT QPixmap *erasePixmap() const;
798 void QT3_SUPPORT setErasePixmap(const QPixmap &);
799 const QT3_SUPPORT QColor &paletteForegroundColor() const;
800 void QT3_SUPPORT setPaletteForegroundColor(const QColor &);
801 const QT3_SUPPORT QColor &paletteBackgroundColor() const;
802 void QT3_SUPPORT setPaletteBackgroundColor(const QColor &);
803 const QT3_SUPPORT QPixmap *paletteBackgroundPixmap() const;
804 void QT3_SUPPORT setPaletteBackgroundPixmap(const QPixmap &);
805 const QT3_SUPPORT QBrush& backgroundBrush() const;
806 const QT3_SUPPORT QColor &backgroundColor() const;
807 const QT3_SUPPORT QPixmap *backgroundPixmap() const;
808 void QT3_SUPPORT setBackgroundPixmap(const QPixmap &);
809 QT3_SUPPORT void setBackgroundColor(const QColor &);
810 QT3_SUPPORT QColorGroup colorGroup() const;
811 QT3_SUPPORT QWidget *parentWidget(bool sameWindow) const;
812 inline QT3_SUPPORT void setKeyCompression(bool b) { setAttribute(Qt::WA_KeyCompression, b); }
813 inline QT3_SUPPORT void setFont(const QFont &f, bool) { setFont(f); }
814 inline QT3_SUPPORT void setPalette(const QPalette &p, bool) { setPalette(p); }
815 enum BackgroundOrigin { WidgetOrigin, ParentOrigin, WindowOrigin, AncestorOrigin };
816 inline QT3_SUPPORT void setBackgroundOrigin(BackgroundOrigin){};
817 inline QT3_SUPPORT BackgroundOrigin backgroundOrigin() const { return WindowOrigin; }
818 inline QT3_SUPPORT QPoint backgroundOffset() const { return QPoint(); }
819 inline QT3_SUPPORT void repaint(bool) { repaint(); }
820 inline QT3_SUPPORT void repaint(int x, int y, int w, int h, bool) { repaint(x,y,w,h); }
821 inline QT3_SUPPORT void repaint(const QRect &r, bool) { repaint(r); }
822 inline QT3_SUPPORT void repaint(const QRegion &rgn, bool) { repaint(rgn); }
823 QT3_SUPPORT void erase();
824 inline QT3_SUPPORT void erase(int x, int y, int w, int h) { erase_helper(x, y, w, h); }
825 QT3_SUPPORT void erase(const QRect &);
826 QT3_SUPPORT void erase(const QRegion &);
827 QT3_SUPPORT void drawText(const QPoint &p, const QString &s)
828 { drawText_helper(p.x(), p.y(), s); }
829 inline QT3_SUPPORT void drawText(int x, int y, const QString &s)
830 { drawText_helper(x, y, s); }
831 QT3_SUPPORT bool close(bool);
832 inline QT3_SUPPORT QWidget *childAt(int x, int y, bool includeThis) const
833 {
834 QWidget *w = childAt(x, y);
835 return w ? w : ((includeThis && rect().contains(x,y))?const_cast<QWidget*>(this):0);
836 }
837 inline QT3_SUPPORT QWidget *childAt(const QPoint &p, bool includeThis) const
838 {
839 QWidget *w = childAt(p);
840 return w ? w : ((includeThis && rect().contains(p))?const_cast<QWidget*>(this):0);
841 }
842 inline QT3_SUPPORT void setCaption(const QString &c) { setWindowTitle(c); }
843 QT3_SUPPORT void setIcon(const QPixmap &i);
844 inline QT3_SUPPORT void setIconText(const QString &it) { setWindowIconText(it); }
845 inline QT3_SUPPORT QString caption() const { return windowTitle(); }
846 QT3_SUPPORT const QPixmap *icon() const;
847 inline QT3_SUPPORT QString iconText() const { return windowIconText(); }
848 inline QT3_SUPPORT void setInputMethodEnabled(bool b) { setAttribute(Qt::WA_InputMethodEnabled, b); }
849 inline QT3_SUPPORT bool isInputMethodEnabled() const { return testAttribute(Qt::WA_InputMethodEnabled); }
850 inline QT3_SUPPORT void setActiveWindow() { activateWindow(); }
851 inline QT3_SUPPORT bool isShown() const { return !isHidden(); }
852 inline QT3_SUPPORT bool isDialog() const { return windowType() == Qt::Dialog; }
853 inline QT3_SUPPORT bool isPopup() const { return windowType() == Qt::Popup; }
854 inline QT3_SUPPORT bool isDesktop() const { return windowType() == Qt::Desktop; }
855
856
857private:
858 void drawText_helper(int x, int y, const QString &);
859 void erase_helper(int x, int y, int w, int h);
860#endif // QT3_SUPPORT
861
862protected:
863 virtual void styleChange(QStyle&); // compat
864 virtual void enabledChange(bool); // compat
865 virtual void paletteChange(const QPalette &); // compat
866 virtual void fontChange(const QFont &); // compat
867 virtual void windowActivationChange(bool); // compat
868 virtual void languageChange(); // compat
869};
870
871Q_DECLARE_OPERATORS_FOR_FLAGS(QWidget::RenderFlags)
872
873#if defined Q_CC_MSVC && _MSC_VER < 1300
874template <> inline QWidget *qobject_cast_helper<QWidget*>(QObject *o, QWidget *)
875{
876 if (!o || !o->isWidgetType()) return 0;
877 return (QWidget*)(o);
878}
879#else
880template <> inline QWidget *qobject_cast<QWidget*>(QObject *o)
881{
882 if (!o || !o->isWidgetType()) return 0;
883 return static_cast<QWidget*>(o);
884}
885template <> inline const QWidget *qobject_cast<const QWidget*>(const QObject *o)
886{
887 if (!o || !o->isWidgetType()) return 0;
888 return static_cast<const QWidget*>(o);
889}
890#endif
891
892inline QWidget *QWidget::childAt(int ax, int ay) const
893{ return childAt(QPoint(ax, ay)); }
894
895inline Qt::WindowType QWidget::windowType() const
896{ return static_cast<Qt::WindowType>(int(data->window_flags & Qt::WindowType_Mask)); }
897inline Qt::WindowFlags QWidget::windowFlags() const
898{ return data->window_flags; }
899
900inline bool QWidget::isTopLevel() const
901{ return (windowType() & Qt::Window); }
902
903inline bool QWidget::isWindow() const
904{ return (windowType() & Qt::Window); }
905
906inline bool QWidget::isEnabled() const
907{ return !testAttribute(Qt::WA_Disabled); }
908
909inline bool QWidget::isModal() const
910{ return data->window_modality != Qt::NonModal; }
911
912inline bool QWidget::isEnabledToTLW() const
913{ return isEnabled(); }
914
915inline int QWidget::minimumWidth() const
916{ return minimumSize().width(); }
917
918inline int QWidget::minimumHeight() const
919{ return minimumSize().height(); }
920
921inline int QWidget::maximumWidth() const
922{ return maximumSize().width(); }
923
924inline int QWidget::maximumHeight() const
925{ return maximumSize().height(); }
926
927inline void QWidget::setMinimumSize(const QSize &s)
928{ setMinimumSize(s.width(),s.height()); }
929
930inline void QWidget::setMaximumSize(const QSize &s)
931{ setMaximumSize(s.width(),s.height()); }
932
933inline void QWidget::setSizeIncrement(const QSize &s)
934{ setSizeIncrement(s.width(),s.height()); }
935
936inline void QWidget::setBaseSize(const QSize &s)
937{ setBaseSize(s.width(),s.height()); }
938
939inline const QFont &QWidget::font() const
940{ return data->fnt; }
941
942inline QFontMetrics QWidget::fontMetrics() const
943{ return QFontMetrics(data->fnt); }
944
945inline QFontInfo QWidget::fontInfo() const
946{ return QFontInfo(data->fnt); }
947
948inline void QWidget::setMouseTracking(bool enable)
949{ setAttribute(Qt::WA_MouseTracking, enable); }
950
951inline bool QWidget::hasMouseTracking() const
952{ return testAttribute(Qt::WA_MouseTracking); }
953
954inline bool QWidget::underMouse() const
955{ return testAttribute(Qt::WA_UnderMouse); }
956
957inline bool QWidget::updatesEnabled() const
958{ return !testAttribute(Qt::WA_UpdatesDisabled); }
959
960inline void QWidget::update(int ax, int ay, int aw, int ah)
961{ update(QRect(ax, ay, aw, ah)); }
962
963inline bool QWidget::isVisible() const
964{ return testAttribute(Qt::WA_WState_Visible); }
965
966inline bool QWidget::isHidden() const
967{ return testAttribute(Qt::WA_WState_Hidden); }
968
969inline void QWidget::move(int ax, int ay)
970{ move(QPoint(ax, ay)); }
971
972inline void QWidget::resize(int w, int h)
973{ resize(QSize(w, h)); }
974
975inline void QWidget::setGeometry(int ax, int ay, int aw, int ah)
976{ setGeometry(QRect(ax, ay, aw, ah)); }
977
978inline QRect QWidget::rect() const
979{ return QRect(0,0,data->crect.width(),data->crect.height()); }
980
981inline const QRect &QWidget::geometry() const
982{ return data->crect; }
983
984inline QSize QWidget::size() const
985{ return data->crect.size(); }
986
987inline int QWidget::width() const
988{ return data->crect.width(); }
989
990inline int QWidget::height() const
991{ return data->crect.height(); }
992
993inline QWidget *QWidget::parentWidget() const
994{ return static_cast<QWidget *>(QObject::parent()); }
995
996inline void QWidget::setSizePolicy(QSizePolicy::Policy hor, QSizePolicy::Policy ver)
997{ setSizePolicy(QSizePolicy(hor, ver)); }
998
999inline bool QWidget::testAttribute(Qt::WidgetAttribute attribute) const
1000{
1001 if (attribute < int(8*sizeof(uint)))
1002 return data->widget_attributes & (1<<attribute);
1003 return testAttribute_helper(attribute);
1004}
1005
1006#ifdef QT3_SUPPORT
1007inline bool QWidget::isVisibleToTLW() const
1008{ return isVisible(); }
1009inline QWidget *QWidget::parentWidget(bool sameWindow) const
1010{
1011 if (sameWindow && isWindow())
1012 return 0;
1013 return static_cast<QWidget *>(QObject::parent());
1014}
1015inline QColorGroup QWidget::colorGroup() const
1016{ return QColorGroup(palette()); }
1017inline void QWidget::setPaletteForegroundColor(const QColor &c)
1018{ QPalette p = palette(); p.setColor(foregroundRole(), c); setPalette(p); }
1019inline const QBrush& QWidget::backgroundBrush() const { return palette().brush(backgroundRole()); }
1020inline void QWidget::setBackgroundPixmap(const QPixmap &pm)
1021{ QPalette p = palette(); p.setBrush(backgroundRole(), QBrush(pm)); setPalette(p); }
1022inline const QPixmap *QWidget::backgroundPixmap() const { return 0; }
1023inline void QWidget::setBackgroundColor(const QColor &c)
1024{ QPalette p = palette(); p.setColor(backgroundRole(), c); setPalette(p); }
1025inline const QColor & QWidget::backgroundColor() const { return palette().color(backgroundRole()); }
1026inline const QColor &QWidget::foregroundColor() const { return palette().color(foregroundRole());}
1027inline const QColor &QWidget::eraseColor() const { return palette().color(backgroundRole()); }
1028inline void QWidget::setEraseColor(const QColor &c)
1029{ QPalette p = palette(); p.setColor(backgroundRole(), c); setPalette(p); }
1030inline const QPixmap *QWidget::erasePixmap() const { return 0; }
1031inline void QWidget::setErasePixmap(const QPixmap &pm)
1032{ QPalette p = palette(); p.setBrush(backgroundRole(), QBrush(pm)); setPalette(p); }
1033inline const QColor &QWidget::paletteForegroundColor() const { return palette().color(foregroundRole());}
1034inline const QColor &QWidget::paletteBackgroundColor() const { return palette().color(backgroundRole()); }
1035inline void QWidget::setPaletteBackgroundColor(const QColor &c)
1036{ QPalette p = palette(); p.setColor(backgroundRole(), c); setPalette(p); }
1037inline const QPixmap *QWidget::paletteBackgroundPixmap() const
1038{ return 0; }
1039inline void QWidget::setPaletteBackgroundPixmap(const QPixmap &pm)
1040{ QPalette p = palette(); p.setBrush(backgroundRole(), QBrush(pm)); setPalette(p); }
1041inline QT3_SUPPORT void QWidget::erase() { erase_helper(0, 0, data->crect.width(), data->crect.height()); }
1042inline QT3_SUPPORT void QWidget::erase(const QRect &r) { erase_helper(r.x(), r.y(), r.width(), r.height()); }
1043#endif
1044
1045#define QWIDGETSIZE_MAX ((1<<24)-1)
1046
1047QT_END_NAMESPACE
1048
1049QT_END_HEADER
1050
1051#endif // QWIDGET_H
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