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<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.
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/****************************************************************************
** $Id: qt/qwidget.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of TQWidget class
**
** Created : 931029
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt 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 TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQWIDGET_H
#define TQWIDGET_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 TQLayout;
struct TQWExtra;
struct TQTLWExtra;
class TQFocusData;
class TQCursor;
class TQWSRegionManager;
class TQStyle;
class Q_EXPORT TQWidget : public TQObject, public TQPaintDevice
{
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( TQRect geometry READ geometry WRITE setGeometry )
Q_PROPERTY( TQRect frameGeometry READ frameGeometry )
Q_PROPERTY( int x READ x )
Q_PROPERTY( int y READ y )
Q_PROPERTY( TQPoint pos READ pos WRITE move DESIGNABLE false STORED false )
Q_PROPERTY( TQSize frameSize READ frameSize )
Q_PROPERTY( TQSize size READ size WRITE resize DESIGNABLE false STORED false )
Q_PROPERTY( int width READ width )
Q_PROPERTY( int height READ height )
Q_PROPERTY( TQRect rect READ rect )
Q_PROPERTY( TQRect childrenRect READ childrenRect )
Q_PROPERTY( TQRegion childrenRegion READ childrenRegion )
Q_PROPERTY( TQSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy )
Q_PROPERTY( TQSize minimumSize READ minimumSize WRITE setMinimumSize )
Q_PROPERTY( TQSize 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( TQSize sizeIncrement READ sizeIncrement WRITE setSizeIncrement )
Q_PROPERTY( TQSize baseSize READ baseSize WRITE setBaseSize )
Q_PROPERTY( BackgroundMode backgroundMode READ backgroundMode WRITE setBackgroundMode DESIGNABLE false )
Q_PROPERTY( TQColor paletteForegroundColor READ paletteForegroundColor WRITE setPaletteForegroundColor RESET unsetPalette )
Q_PROPERTY( TQColor paletteBackgroundColor READ paletteBackgroundColor WRITE setPaletteBackgroundColor RESET unsetPalette )
Q_PROPERTY( TQPixmap paletteBackgroundPixmap READ paletteBackgroundPixmap WRITE setPaletteBackgroundPixmap RESET unsetPalette )
Q_PROPERTY( TQBrush backgroundBrush READ backgroundBrush )
Q_PROPERTY( TQColorGroup colorGroup READ colorGroup )
Q_PROPERTY( TQPalette 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( TQFont font READ font WRITE setFont RESET unsetFont STORED ownFont )
Q_PROPERTY( bool ownFont READ ownFont )
#ifndef QT_NO_CURSOR
Q_PROPERTY( TQCursor cursor READ cursor WRITE setCursor RESET unsetCursor STORED ownCursor )
Q_PROPERTY( bool ownCursor READ ownCursor )
#endif
#ifndef QT_NO_WIDGET_TOPEXTRA
Q_PROPERTY( TQString caption READ caption WRITE setCaption )
Q_PROPERTY( TQPixmap icon READ icon WRITE setIcon )
Q_PROPERTY( TQString 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( TQRect 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( TQSize sizeHint READ sizeHint )
Q_PROPERTY( TQSize minimumSizeHint READ minimumSizeHint )
Q_PROPERTY( TQRect 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 TQWidget( TQWidget* parent=0, const char* name=0, WFlags f=0 );
~TQWidget();
WId winId() const;
void setName( const char *name );
#ifndef QT_NO_STYLE
// GUI style setting
TQStyle &style() const;
void setStyle( TQStyle * );
TQStyle* setStyle( const TQString& );
#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(TQWidget*) const;
bool isEnabledToTLW() const;
public slots:
virtual void setEnabled( bool );
void setDisabled( bool );
// Widget coordinates
public:
TQRect frameGeometry() const;
const TQRect &geometry() const;
int x() const;
int y() const;
TQPoint pos() const;
TQSize frameSize() const;
TQSize size() const;
int width() const;
int height() const;
TQRect rect() const;
TQRect childrenRect() const;
TQRegion childrenRegion() const;
TQSize minimumSize() const;
TQSize maximumSize() const;
int minimumWidth() const;
int minimumHeight() const;
int maximumWidth() const;
int maximumHeight() const;
void setMinimumSize( const TQSize & );
virtual void setMinimumSize( int minw, int minh );
void setMaximumSize( const TQSize & );
virtual void setMaximumSize( int maxw, int maxh );
void setMinimumWidth( int minw );
void setMinimumHeight( int minh );
void setMaximumWidth( int maxw );
void setMaximumHeight( int maxh );
TQSize sizeIncrement() const;
void setSizeIncrement( const TQSize & );
virtual void setSizeIncrement( int w, int h );
TQSize baseSize() const;
void setBaseSize( const TQSize & );
void setBaseSize( int basew, int baseh );
void setFixedSize( const TQSize & );
void setFixedSize( int w, int h );
void setFixedWidth( int w );
void setFixedHeight( int h );
// Widget coordinate mapping
TQPoint mapToGlobal( const TQPoint & ) const;
TQPoint mapFromGlobal( const TQPoint & ) const;
TQPoint mapToParent( const TQPoint & ) const;
TQPoint mapFromParent( const TQPoint & ) const;
TQPoint mapTo( TQWidget *, const TQPoint & ) const;
TQPoint mapFrom( TQWidget *, const TQPoint & ) const;
TQWidget *topLevelWidget() const;
// Widget attribute functions
BackgroundMode backgroundMode() const;
virtual void setBackgroundMode( BackgroundMode );
void setBackgroundMode( BackgroundMode, BackgroundMode );
const TQColor & foregroundColor() const;
const TQColor & eraseColor() const;
virtual void setEraseColor( const TQColor & );
const TQPixmap * erasePixmap() const;
virtual void setErasePixmap( const TQPixmap & );
#ifndef QT_NO_PALETTE
const TQColorGroup & colorGroup() const;
const TQPalette & palette() const;
bool ownPalette() const;
virtual void setPalette( const TQPalette & );
void unsetPalette();
#endif
const TQColor & paletteForegroundColor() const;
void setPaletteForegroundColor( const TQColor & );
const TQColor & paletteBackgroundColor() const;
virtual void setPaletteBackgroundColor( const TQColor & );
const TQPixmap * paletteBackgroundPixmap() const;
virtual void setPaletteBackgroundPixmap( const TQPixmap & );
const TQBrush& backgroundBrush() const;
TQFont font() const;
bool ownFont() const;
virtual void setFont( const TQFont & );
void unsetFont();
TQFontMetrics fontMetrics() const;
TQFontInfo fontInfo() const;
#ifndef QT_NO_CURSOR
const TQCursor &cursor() const;
bool ownCursor() const;
virtual void setCursor( const TQCursor & );
virtual void unsetCursor();
#endif
#ifndef QT_NO_WIDGET_TOPEXTRA
TQString caption() const;
const TQPixmap *icon() const;
TQString iconText() const;
#endif
bool hasMouseTracking() const;
bool hasMouse() const;
virtual void setMask( const TQBitmap & );
virtual void setMask( const TQRegion & );
void clearMask();
const TQColor & backgroundColor() const; // obsolete, use eraseColor()
virtual void setBackgroundColor( const TQColor & ); // obsolete, use setEraseColor()
const TQPixmap * backgroundPixmap() const; // obsolete, use erasePixmap()
virtual void setBackgroundPixmap( const TQPixmap & ); // obsolete, use setErasePixmap()
public slots:
#ifndef QT_NO_WIDGET_TOPEXTRA
virtual void setCaption( const TQString &);
virtual void setIcon( const TQPixmap & );
virtual void setIconText( const TQString &);
#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( TQWidget *, TQWidget * );
virtual void setFocusProxy( TQWidget * );
TQWidget * focusProxy() const;
void setInputMethodEnabled( bool b );
bool isInputMethodEnabled() const;
// Grab functions
void grabMouse();
#ifndef QT_NO_CURSOR
void grabMouse( const TQCursor & );
#endif
void releaseMouse();
void grabKeyboard();
void releaseKeyboard();
static TQWidget * mouseGrabber();
static TQWidget * keyboardGrabber();
// Update/refresh functions
bool isUpdatesEnabled() const;
#if 0 //def Q_WS_QWS
void repaintUnclipped( const TQRegion &, 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 TQRect& );
void repaint();
void repaint( bool erase );
void repaint( int x, int y, int w, int h, bool erase=TRUE );
void repaint( const TQRect &, bool erase = TRUE );
void repaint( const TQRegion &, 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( TQWidget* );
virtual void move( int x, int y );
void move( const TQPoint & );
virtual void resize( int w, int h );
void resize( const TQSize & );
virtual void setGeometry( int x, int y, int w, int h );
virtual void setGeometry( const TQRect & ); // ### make non virtual in TQt 4?
public:
virtual bool close( bool alsoDelete );
bool isVisible() const;
bool isVisibleTo(TQWidget*) const;
bool isVisibleToTLW() const; // obsolete
TQRect 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 TQSize sizeHint() const;
virtual TQSize minimumSizeHint() const;
virtual TQSizePolicy sizePolicy() const;
virtual void setSizePolicy( TQSizePolicy );
void setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw = FALSE );
virtual int heightForWidth(int) const;
TQRegion clipRegion() const;
// ### move together with other slots in TQt 4.0
public slots:
virtual void adjustSize();
public:
#ifndef QT_NO_LAYOUT
TQLayout * layout() const { return lay_out; }
#endif
void updateGeometry();
virtual void reparent( TQWidget *parent, WFlags, const TQPoint &,
bool showIt=FALSE );
void reparent( TQWidget *parent, const TQPoint &,
bool showIt=FALSE );
#ifndef QT_NO_COMPAT
void recreate( TQWidget *parent, WFlags f, const TQPoint & 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 TQRect & );
void erase( const TQRegion & );
void scroll( int dx, int dy );
void scroll( int dx, int dy, const TQRect& );
void drawText( int x, int y, const TQString &);
void drawText( const TQPoint &, const TQString &);
// Misc. functions
TQWidget * focusWidget() const;
TQRect 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;
TQPoint backgroundOffset() const;
// whats this help
virtual bool customWhatsThis() const;
TQWidget * parentWidget( bool sameWindow = FALSE ) const;
WState testWState( WState s ) const;
WFlags testWFlags( WFlags f ) const;
static TQWidget * find( WId );
static TQWidgetMapper *wmapper();
TQWidget *childAt( int x, int y, bool includeThis = FALSE ) const;
TQWidget *childAt( const TQPoint &, bool includeThis = FALSE ) const;
#if defined(Q_WS_QWS)
virtual TQGfx * graphicsContext(bool clip_children=TRUE) const;
#endif
#if defined(Q_WS_MAC)
TQRegion clippedRegion(bool do_children=TRUE);
uint clippedSerial(bool do_children=TRUE);
#ifndef TQMAC_NO_QUARTZ
CGContextRef macCGContext(bool clipped=TRUE) const;
#endif
#endif
void setWindowOpacity(double level);
double windowOpacity() const;
protected:
// Event handlers
bool event( TQEvent * );
virtual void mousePressEvent( TQMouseEvent * );
virtual void mouseReleaseEvent( TQMouseEvent * );
virtual void mouseDoubleClickEvent( TQMouseEvent * );
virtual void mouseMoveEvent( TQMouseEvent * );
#ifndef QT_NO_WHEELEVENT
virtual void wheelEvent( TQWheelEvent * );
#endif
virtual void keyPressEvent( TQKeyEvent * );
virtual void keyReleaseEvent( TQKeyEvent * );
virtual void focusInEvent( TQFocusEvent * );
virtual void focusOutEvent( TQFocusEvent * );
virtual void enterEvent( TQEvent * );
virtual void leaveEvent( TQEvent * );
virtual void paintEvent( TQPaintEvent * );
virtual void moveEvent( TQMoveEvent * );
virtual void resizeEvent( TQResizeEvent * );
virtual void closeEvent( TQCloseEvent * );
virtual void contextMenuEvent( TQContextMenuEvent * );
virtual void imStartEvent( TQIMEvent * );
virtual void imComposeEvent( TQIMEvent * );
virtual void imEndEvent( TQIMEvent * );
virtual void tabletEvent( TQTabletEvent * );
#ifndef QT_NO_DRAGANDDROP
virtual void dragEnterEvent( TQDragEnterEvent * );
virtual void dragMoveEvent( TQDragMoveEvent * );
virtual void dragLeaveEvent( TQDragLeaveEvent * );
virtual void dropEvent( TQDropEvent * );
#endif
virtual void showEvent( TQShowEvent * );
virtual void hideEvent( TQHideEvent * );
#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( TQWSEvent * );
virtual unsigned char *scanLine( int ) const;
virtual int bytesPerLine() const;
#endif
virtual void updateMask();
// Misc. protected functions
#ifndef QT_NO_STYLE
virtual void styleChange( TQStyle& );
#endif
virtual void enabledChange( bool oldEnabled );
#ifndef QT_NO_PALETTE
virtual void paletteChange( const TQPalette & );
#endif
virtual void fontChange( const TQFont & );
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 );
TQWExtra *extraData();
TQTLWExtra *topData();
TQFocusData *focusData();
virtual void setKeyCompression(bool);
virtual void setMicroFocusHint(int x, int y, int w, int h, bool text=TRUE, TQFont *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( TQFont *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 TQRegion& );
//friends, way too many - fix this immediately!
friend void qt_clean_root_win();
friend bool qt_recreate_root_win();
friend TQPoint posInWindow(TQWidget *);
friend bool qt_mac_update_sizer(TQWidget *, int);
friend TQWidget *qt_recursive_match(TQWidget *widg, int x, int y);
friend bool qt_paint_children(TQWidget *,TQRegion &, uchar ops);
friend TQMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *);
friend void qt_event_request_updates(TQWidget *, const TQRegion &, bool subtract);
friend bool qt_window_rgn(WId, short, RgnHandle, bool);
friend class TQDragManager;
#endif
#ifndef QT_NO_LAYOUT
void setLayout( TQLayout *l );
#endif
void setWinId( WId );
void showWindow();
void hideWindow();
void showChildren( bool spontaneous );
void hideChildren( bool spontaneous );
void reparentSys( TQWidget *parent, WFlags, const TQPoint &, 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( TQWidget * );
TQFocusData *focusData( bool create );
void setBackgroundFromMode();
void setBackgroundColorDirect( const TQColor & );
void setBackgroundPixmapDirect( const TQPixmap & );
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;
TQRect crect;
TQColor bg_col;
#ifndef QT_NO_PALETTE
TQPalette pal;
#endif
TQFont fnt;
#ifndef QT_NO_LAYOUT
TQLayout *lay_out;
#endif
TQWExtra *extra;
#if defined(Q_WS_QWS)
TQRegion req_region; // Requested region
mutable TQRegion paintable_region; // Paintable region
mutable bool paintable_region_dirty;// needs to be recalculated
mutable TQRegion 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 TQRegion &r, const TQWidget *dirty=0 );
bool isAllocatedRegionDirty() const;
void updateRequestedRegion( const TQPoint &gpos );
TQRegion requestedRegion() const;
TQRegion allocatedRegion() const;
TQRegion paintableRegion() const;
void updateGraphicsContext( TQGfx *qgfx_qws, bool clip_children ) const;
#ifndef QT_NO_CURSOR
void updateCursor( const TQRegion &r ) const;
#endif
// used to accumulate dirty region when children moved/resized.
TQRegion dirtyChildren;
bool isSettingGeometry;
friend class TQWSManager;
#endif
static int instanceCounter; // Current number of widget instances
static int maxInstances; // Maximum number of widget instances
static void createMapper();
static void destroyMapper();
static TQWidgetList *wList();
static TQWidgetList *tlwList();
static TQWidgetMapper *mapper;
friend class TQApplication;
friend class TQBaseApplication;
friend class TQPainter;
friend class TQFontMetrics;
friend class TQFontInfo;
friend class TQETWidget;
friend class TQLayout;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
TQWidget( const TQWidget & );
TQWidget &operator=( const TQWidget & );
#endif
public: // obsolete functions to dissappear or to become inline in 3.0
#ifndef QT_NO_PALETTE
void setPalette( const TQPalette &p, bool ) { setPalette( p ); }
#endif
void setFont( const TQFont &f, bool ) { setFont( f ); }
};
inline TQt::WState TQWidget::testWState( WState s ) const
{ return (widget_state & s); }
inline TQt::WFlags TQWidget::testWFlags( WFlags f ) const
{ return (widget_flags & f); }
inline WId TQWidget::winId() const
{ return winid; }
inline bool TQWidget::isTopLevel() const
{ return testWFlags(WType_TopLevel); }
inline bool TQWidget::isDialog() const
{ return testWFlags(WType_Dialog); }
inline bool TQWidget::isPopup() const
{ return testWFlags(WType_Popup); }
inline bool TQWidget::isDesktop() const
{ return testWFlags(WType_Desktop); }
inline bool TQWidget::isEnabled() const
{ return !testWState(WState_Disabled); }
inline bool TQWidget::isModal() const
{ return testWFlags(WShowModal); }
inline bool TQWidget::isEnabledToTLW() const
{ return isEnabled(); }
inline const TQRect &TQWidget::geometry() const
{ return crect; }
inline TQSize TQWidget::size() const
{ return crect.size(); }
inline int TQWidget::width() const
{ return crect.width(); }
inline int TQWidget::height() const
{ return crect.height(); }
inline TQRect TQWidget::rect() const
{ return TQRect(0,0,crect.width(),crect.height()); }
inline int TQWidget::minimumWidth() const
{ return minimumSize().width(); }
inline int TQWidget::minimumHeight() const
{ return minimumSize().height(); }
inline int TQWidget::maximumWidth() const
{ return maximumSize().width(); }
inline int TQWidget::maximumHeight() const
{ return maximumSize().height(); }
inline void TQWidget::setMinimumSize( const TQSize &s )
{ setMinimumSize(s.width(),s.height()); }
inline void TQWidget::setMaximumSize( const TQSize &s )
{ setMaximumSize(s.width(),s.height()); }
inline void TQWidget::setSizeIncrement( const TQSize &s )
{ setSizeIncrement(s.width(),s.height()); }
inline void TQWidget::setBaseSize( const TQSize &s )
{ setBaseSize(s.width(),s.height()); }
inline const TQColor &TQWidget::eraseColor() const
{ return bg_col; }
#ifndef QT_NO_PALETTE
inline const TQPalette &TQWidget::palette() const
{ return pal; }
#endif
inline TQFont TQWidget::font() const
{ return fnt; }
inline TQFontMetrics TQWidget::fontMetrics() const
{ return TQFontMetrics(font()); }
inline TQFontInfo TQWidget::fontInfo() const
{ return TQFontInfo(font()); }
inline bool TQWidget::hasMouseTracking() const
{ return testWState(WState_MouseTracking); }
inline bool TQWidget::hasMouse() const
{ return testWState(WState_HasMouse); }
inline bool TQWidget::isFocusEnabled() const
{ return (FocusPolicy)focus_policy != NoFocus; }
inline TQWidget::FocusPolicy TQWidget::focusPolicy() const
{ return (FocusPolicy)focus_policy; }
inline bool TQWidget::isUpdatesEnabled() const
{ return !testWState(WState_BlockUpdates); }
inline void TQWidget::update( const TQRect &r )
{ update( r.x(), r.y(), r.width(), r.height() ); }
inline void TQWidget::repaint()
{ repaint( TRUE ); }
inline void TQWidget::repaint( const TQRect &r, bool erase )
{ repaint( r.x(), r.y(), r.width(), r.height(), erase ); }
inline void TQWidget::erase()
{ erase( 0, 0, crect.width(), crect.height() ); }
inline void TQWidget::erase( const TQRect &r )
{ erase( r.x(), r.y(), r.width(), r.height() ); }
inline bool TQWidget::close()
{ return close( FALSE ); }
inline bool TQWidget::isVisible() const
{ return testWState(WState_Visible); }
inline bool TQWidget::isVisibleToTLW() const // obsolete
{ return isVisible(); }
inline bool TQWidget::isHidden() const
{ return testWState(WState_ForceHide); }
inline bool TQWidget::isShown() const
{ return !testWState(WState_ForceHide); }
inline void TQWidget::move( const TQPoint &p )
{ move( p.x(), p.y() ); }
inline void TQWidget::resize( const TQSize &s )
{ resize( s.width(), s.height()); }
inline void TQWidget::setGeometry( const TQRect &r )
{ setGeometry( r.left(), r.top(), r.width(), r.height() ); }
inline void TQWidget::drawText( const TQPoint &p, const TQString &s )
{ drawText( p.x(), p.y(), s ); }
inline TQWidget *TQWidget::parentWidget( bool sameWindow ) const
{
if ( sameWindow )
return isTopLevel() ? 0 : (TQWidget *)TQObject::parent();
return (TQWidget *)TQObject::parent();
}
inline TQWidgetMapper *TQWidget::wmapper()
{ return mapper; }
inline uint TQWidget::getWState() const
{ return widget_state; }
inline void TQWidget::setWState( uint f )
{ widget_state |= f; }
inline void TQWidget::clearWState( uint f )
{ widget_state &= ~f; }
inline TQt::WFlags TQWidget::getWFlags() const
{ return widget_flags; }
inline void TQWidget::setWFlags( WFlags f )
{ widget_flags |= f; }
inline void TQWidget::clearWFlags( WFlags f )
{ widget_flags &= ~f; }
inline void TQWidget::constPolish() const
{
if ( !testWState(WState_Polished) ) {
TQWidget* that = (TQWidget*) this;
that->polish();
that->setWState(WState_Polished); // be on the safe side...
}
}
#ifndef QT_NO_CURSOR
inline bool TQWidget::ownCursor() const
{
return testWState( WState_OwnCursor );
}
#endif
inline bool TQWidget::ownFont() const
{
return own_font;
}
#ifndef QT_NO_PALETTE
inline bool TQWidget::ownPalette() const
{
return own_palette;
}
#endif
inline void TQWidget::setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw )
{
setSizePolicy( TQSizePolicy( hor, ver, hfw) );
}
inline bool TQWidget::isInputMethodEnabled() const
{
return (bool)im_enabled;
}
// Extra TQWidget data
// - to minimize memory usage for members that are seldom used.
// - top-level widgets have extra extra data to reduce cost further
class TQFocusData;
class TQWSManager;
#if defined(Q_WS_WIN)
class TQOleDropTarget;
#endif
#if defined(Q_WS_MAC)
class TQMacDndExtra;
#endif
struct Q_EXPORT TQTLWExtra {
#ifndef QT_NO_WIDGET_TOPEXTRA
TQString caption; // widget caption
TQString iconText; // widget icon text
TQPixmap *icon; // widget icon
#endif
TQFocusData *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 TQt 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 )
TQRegion decor_allocated_region; // decoration allocated region
TQWSManager *qwsManager;
#endif
#if defined(Q_WS_WIN)
HICON winIcon; // internal Windows icon
#endif
TQRect normalGeometry; // used by showMin/maximized/FullScreen
#ifdef Q_WS_WIN
uint style, exstyle;
#endif
};
#define TQWIDGETSIZE_MAX 32767
// dear user: you can see this struct, but it is internal. do not touch.
struct Q_EXPORT TQWExtra {
Q_INT16 minw, minh; // minimum size
Q_INT16 maxw, maxh; // maximum size
TQPixmap *bg_pix; // background pixmap
TQWidget *focus_proxy;
#ifndef QT_NO_CURSOR
TQCursor *curs;
#endif
TQTLWExtra *topextra; // only useful for TLWs
#if defined(Q_WS_WIN)
TQOleDropTarget *dropTarget; // drop target
#endif
#if defined(Q_WS_X11)
WId xDndProxy; // XDND forwarding to embedded windows
#endif
#if defined(Q_WS_MAC)
TQRegion clip_saved, clip_sibs, clip_children;
TQMacDndExtra *macDndExtra;
TQRegion dirty_area;
uint clip_dirty : 1, clip_serial : 15;
uint child_dirty : 1, child_serial : 15;
#ifndef TQMAC_NO_QUARTZ
uint ctx_children_clipped:1;
#endif // TQMAC_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)
TQRegion mask; // widget mask
#endif
char bg_mode; // background mode
char bg_mode_visual; // visual background mode
#ifndef QT_NO_STYLE
TQStyle* style;
#endif
TQRect micro_focus_hint; // micro focus hint
TQSizePolicy size_policy;
};
#define Q_DEFINED_QWIDGET
#include "qwinexport.h"
#endif // TQWIDGET_H
</pre>
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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