QGraphicsView Class Reference

QGraphicsView Class Reference
Public Types | Public Slots | Public Member Functions | Protected Slots | Protected Member Functions | Properties | Friends

#include <qgraphicsview.h>

Class Description

Definition at line 64 of file qgraphicsview.h.

+ Inheritance diagram for QGraphicsView:

Public Types

enum  ViewportAnchor { NoAnchor, AnchorViewCenter, AnchorUnderMouse }
 
enum  CacheModeFlag { CacheNone = 0x0, CacheBackground = 0x1 }
 
enum  DragMode { NoDrag, ScrollHandDrag, RubberBandDrag }
 
enum  ViewportUpdateMode {
  FullViewportUpdate, MinimalViewportUpdate, SmartViewportUpdate, NoViewportUpdate,
  BoundingRectViewportUpdate
}
 
enum  OptimizationFlag { DontClipPainter = 0x1, DontSavePainterState = 0x2, DontAdjustForAntialiasing = 0x4, IndirectPainting = 0x8 }
 
- Public Types inherited from QFrame
enum  Shape {
  NoFrame = 0, Box = 0x0001, Panel = 0x0002, WinPanel = 0x0003,
  HLine = 0x0004, VLine = 0x0005, StyledPanel = 0x0006
}
 
enum  Shadow { Plain = 0x0010, Raised = 0x0020, Sunken = 0x0030 }
 
enum  StyleMask { Shadow_Mask = 0x00f0, Shape_Mask = 0x000f }
 
- Public Types inherited from QWidget
enum  RenderFlag { DrawWindowBackground = 0x1, DrawChildren = 0x2, IgnoreMask = 0x4 }
 
- Public Types inherited from QPaintDevice
enum  PaintDeviceMetric {
  PdmWidth = 1, PdmHeight, PdmWidthMM, PdmHeightMM,
  PdmNumColors, PdmDepth, PdmDpiX, PdmDpiY,
  PdmPhysicalDpiX, PdmPhysicalDpiY
}
 

Public Slots

void updateScene (const QList< QRectF > &rects)
 
void invalidateScene (const QRectF &rect=QRectF(), QGraphicsScene::SceneLayers layers=QGraphicsScene::AllLayers)
 
void updateSceneRect (const QRectF &rect)
 
- Public Slots inherited from QWidget
void setEnabled (bool)
 
void setDisabled (bool)
 
void setWindowModified (bool)
 
void setWindowTitle (const QString &)
 
void setStyleSheet (const QString &styleSheet)
 
void setFocus ()
 
void update ()
 
void repaint ()
 
virtual void setVisible (bool visible)
 
void setHidden (bool hidden)
 
void show ()
 
void hide ()
 
QT_MOC_COMPAT void setShown (bool shown)
 
void showMinimized ()
 
void showMaximized ()
 
void showFullScreen ()
 
void showNormal ()
 
bool close ()
 
void raise ()
 
void lower ()
 
- Public Slots inherited from QObject
void deleteLater ()
 

Public Member Functions

 QGraphicsView (QWidget *parent=0)
 
 QGraphicsView (QGraphicsScene *scene, QWidget *parent=0)
 
 ~QGraphicsView ()
 
QSize sizeHint () const
 
QPainter::RenderHints renderHints () const
 
void setRenderHint (QPainter::RenderHint hint, bool enabled=true)
 
void setRenderHints (QPainter::RenderHints hints)
 
Qt::Alignment alignment () const
 
void setAlignment (Qt::Alignment alignment)
 
ViewportAnchor transformationAnchor () const
 
void setTransformationAnchor (ViewportAnchor anchor)
 
ViewportAnchor resizeAnchor () const
 
void setResizeAnchor (ViewportAnchor anchor)
 
ViewportUpdateMode viewportUpdateMode () const
 
void setViewportUpdateMode (ViewportUpdateMode mode)
 
OptimizationFlags optimizationFlags () const
 
void setOptimizationFlag (OptimizationFlag flag, bool enabled=true)
 
void setOptimizationFlags (OptimizationFlags flags)
 
DragMode dragMode () const
 
void setDragMode (DragMode mode)
 
Qt::ItemSelectionMode rubberBandSelectionMode () const
 
void setRubberBandSelectionMode (Qt::ItemSelectionMode mode)
 
CacheMode cacheMode () const
 
void setCacheMode (CacheMode mode)
 
void resetCachedContent ()
 
bool isInteractive () const
 
void setInteractive (bool allowed)
 
QGraphicsScene * scene () const
 
void setScene (QGraphicsScene *scene)
 
QRectF sceneRect () const
 
void setSceneRect (const QRectF &rect)
 
void setSceneRect (qreal x, qreal y, qreal w, qreal h)
 
QMatrix matrix () const
 
void setMatrix (const QMatrix &matrix, bool combine=false)
 
void resetMatrix ()
 
QTransform transform () const
 
QTransform viewportTransform () const
 
bool isTransformed () const
 
void setTransform (const QTransform &matrix, bool combine=false)
 
void resetTransform ()
 
void rotate (qreal angle)
 
void scale (qreal sx, qreal sy)
 
void shear (qreal sh, qreal sv)
 
void translate (qreal dx, qreal dy)
 
void centerOn (const QPointF &pos)
 
void centerOn (qreal x, qreal y)
 
void centerOn (const QGraphicsItem *item)
 
void ensureVisible (const QRectF &rect, int xmargin=50, int ymargin=50)
 
void ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin=50, int ymargin=50)
 
void ensureVisible (const QGraphicsItem *item, int xmargin=50, int ymargin=50)
 
void fitInView (const QRectF &rect, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)
 
void fitInView (qreal x, qreal y, qreal w, qreal h, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)
 
void fitInView (const QGraphicsItem *item, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)
 
void render (QPainter *painter, const QRectF &target=QRectF(), const QRect &source=QRect(), Qt::AspectRatioMode aspectRatioMode=Qt::KeepAspectRatio)
 
QList< QGraphicsItem * > items () const
 
QList< QGraphicsItem * > items (const QPoint &pos) const
 
QList< QGraphicsItem * > items (int x, int y) const
 
QList< QGraphicsItem * > items (const QRect &rect, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 
QList< QGraphicsItem * > items (int x, int y, int w, int h, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 
QList< QGraphicsItem * > items (const QPolygon &polygon, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 
QList< QGraphicsItem * > items (const QPainterPath &path, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 
QGraphicsItem * itemAt (const QPoint &pos) const
 
QGraphicsItem * itemAt (int x, int y) const
 
QPointF mapToScene (const QPoint &point) const
 
QPolygonF mapToScene (const QRect &rect) const
 
QPolygonF mapToScene (const QPolygon &polygon) const
 
QPainterPath mapToScene (const QPainterPath &path) const
 
QPoint mapFromScene (const QPointF &point) const
 
QPolygon mapFromScene (const QRectF &rect) const
 
QPolygon mapFromScene (const QPolygonF &polygon) const
 
QPainterPath mapFromScene (const QPainterPath &path) const
 
QPointF mapToScene (int x, int y) const
 
QPolygonF mapToScene (int x, int y, int w, int h) const
 
QPoint mapFromScene (qreal x, qreal y) const
 
QPolygon mapFromScene (qreal x, qreal y, qreal w, qreal h) const
 
QVariant inputMethodQuery (Qt::InputMethodQuery query) const
 
QBrush backgroundBrush () const
 
void setBackgroundBrush (const QBrush &brush)
 
QBrush foregroundBrush () const
 
void setForegroundBrush (const QBrush &brush)
 
- Public Member Functions inherited from QAbstractScrollArea
 QAbstractScrollArea (QWidget *parent=0)
 
 ~QAbstractScrollArea ()
 
Qt::ScrollBarPolicy verticalScrollBarPolicy () const
 
void setVerticalScrollBarPolicy (Qt::ScrollBarPolicy)
 
QScrollBar * verticalScrollBar () const
 
void setVerticalScrollBar (QScrollBar *scrollbar)
 
Qt::ScrollBarPolicy horizontalScrollBarPolicy () const
 
void setHorizontalScrollBarPolicy (Qt::ScrollBarPolicy)
 
QScrollBar * horizontalScrollBar () const
 
void setHorizontalScrollBar (QScrollBar *scrollbar)
 
QWidget * cornerWidget () const
 
void setCornerWidget (QWidget *widget)
 
void addScrollBarWidget (QWidget *widget, Qt::Alignment alignment)
 
QWidgetList scrollBarWidgets (Qt::Alignment alignment)
 
QWidget * viewport () const
 
void setViewport (QWidget *widget)
 
QSize maximumViewportSize () const
 
QSize minimumSizeHint () const
 
- Public Member Functions inherited from QFrame
 QFrame (QWidget *parent=0, Qt::WindowFlags f=0)
 
 ~QFrame ()
 
int frameStyle () const
 
void setFrameStyle (int)
 
int frameWidth () const
 
Shape frameShape () const
 
void setFrameShape (Shape)
 
Shadow frameShadow () const
 
void setFrameShadow (Shadow)
 
int lineWidth () const
 
void setLineWidth (int)
 
int midLineWidth () const
 
void setMidLineWidth (int)
 
QRect frameRect () const
 
void setFrameRect (const QRect &)
 
- Public Member Functions inherited from QWidget
 QWidget (QWidget *parent=0, Qt::WindowFlags f=0)
 
 ~QWidget ()
 
int devType () const
 
WId winId () const
 
void createWinId ()
 
WId internalWinId () const
 
WId effectiveWinId () const
 
QStyle * style () const
 
void setStyle (QStyle *)
 
bool isTopLevel () const
 
bool isWindow () const
 
bool isModal () const
 
Qt::WindowModality windowModality () const
 
void setWindowModality (Qt::WindowModality windowModality)
 
bool isEnabled () const
 
bool isEnabledTo (QWidget *) const
 
bool isEnabledToTLW () const
 
QRect frameGeometry () const
 
const QRect & geometry () const
 
QRect normalGeometry () 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 &)
 
void setMinimumSize (int minw, int minh)
 
void setMaximumSize (const QSize &)
 
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 &)
 
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)
 
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 * window () const
 
QWidget * nativeParentWidget () const
 
QWidget * topLevelWidget () const
 
const QPalette & palette () const
 
void setPalette (const QPalette &)
 
void setBackgroundRole (QPalette::ColorRole)
 
QPalette::ColorRole backgroundRole () const
 
void setForegroundRole (QPalette::ColorRole)
 
QPalette::ColorRole foregroundRole () const
 
const QFont & font () const
 
void setFont (const QFont &)
 
QFontMetrics fontMetrics () const
 
QFontInfo fontInfo () const
 
QCursor cursor () const
 
void setCursor (const QCursor &)
 
void unsetCursor ()
 
void setMouseTracking (bool enable)
 
bool hasMouseTracking () const
 
bool underMouse () const
 
void setMask (const QBitmap &)
 
void setMask (const QRegion &)
 
QRegion mask () const
 
void clearMask ()
 
void render (QPaintDevice *target, const QPoint &targetOffset=QPoint(), const QRegion &sourceRegion=QRegion(), RenderFlags renderFlags=RenderFlags(DrawWindowBackground|DrawChildren))
 
void render (QPainter *painter, const QPoint &targetOffset=QPoint(), const QRegion &sourceRegion=QRegion(), RenderFlags renderFlags=RenderFlags(DrawWindowBackground|DrawChildren))
 
QGraphicsEffect * graphicsEffect () const
 
void setGraphicsEffect (QGraphicsEffect *effect)
 
void grabGesture (Qt::GestureType type, Qt::GestureFlags flags=Qt::GestureFlags())
 
void ungrabGesture (Qt::GestureType type)
 
QString styleSheet () const
 
QString windowTitle () const
 
void setWindowIcon (const QIcon &icon)
 
QIcon windowIcon () const
 
void setWindowIconText (const QString &)
 
QString windowIconText () const
 
void setWindowRole (const QString &)
 
QString windowRole () const
 
void setWindowFilePath (const QString &filePath)
 
QString windowFilePath () const
 
void setWindowOpacity (qreal level)
 
qreal windowOpacity () const
 
bool isWindowModified () const
 
void setToolTip (const QString &)
 
QString toolTip () const
 
void setStatusTip (const QString &)
 
QString statusTip () const
 
void setWhatsThis (const QString &)
 
QString whatsThis () const
 
QString accessibleName () const
 
void setAccessibleName (const QString &name)
 
QString accessibleDescription () const
 
void setAccessibleDescription (const QString &description)
 
void setLayoutDirection (Qt::LayoutDirection direction)
 
Qt::LayoutDirection layoutDirection () const
 
void unsetLayoutDirection ()
 
void setLocale (const QLocale &locale)
 
QLocale locale () const
 
void unsetLocale ()
 
bool isRightToLeft () const
 
bool isLeftToRight () const
 
bool isActiveWindow () const
 
void activateWindow ()
 
void clearFocus ()
 
void setFocus (Qt::FocusReason reason)
 
Qt::FocusPolicy focusPolicy () const
 
void setFocusPolicy (Qt::FocusPolicy policy)
 
bool hasFocus () const
 
void setFocusProxy (QWidget *)
 
QWidget * focusProxy () const
 
Qt::ContextMenuPolicy contextMenuPolicy () const
 
void setContextMenuPolicy (Qt::ContextMenuPolicy policy)
 
void grabMouse ()
 
void grabMouse (const QCursor &)
 
void releaseMouse ()
 
void grabKeyboard ()
 
void releaseKeyboard ()
 
int grabShortcut (const QKeySequence &key, Qt::ShortcutContext context=Qt::WindowShortcut)
 
void releaseShortcut (int id)
 
void setShortcutEnabled (int id, bool enable=true)
 
void setShortcutAutoRepeat (int id, bool enable=true)
 
bool updatesEnabled () const
 
void setUpdatesEnabled (bool enable)
 
QGraphicsProxyWidget * graphicsProxyWidget () const
 
void update (int x, int y, int w, int h)
 
void update (const QRect &)
 
void update (const QRegion &)
 
void repaint (int x, int y, int w, int h)
 
void repaint (const QRect &)
 
void repaint (const QRegion &)
 
void stackUnder (QWidget *)
 
void move (int x, int y)
 
void move (const QPoint &)
 
void resize (int w, int h)
 
void resize (const QSize &)
 
void setGeometry (int x, int y, int w, int h)
 
void setGeometry (const QRect &)
 
QByteArray saveGeometry () const
 
bool restoreGeometry (const QByteArray &geometry)
 
void adjustSize ()
 
bool isVisible () const
 
bool isVisibleTo (QWidget *) const
 
bool isHidden () const
 
bool isMinimized () const
 
bool isMaximized () const
 
bool isFullScreen () const
 
Qt::WindowStates windowState () const
 
void setWindowState (Qt::WindowStates state)
 
void overrideWindowState (Qt::WindowStates state)
 
QSizePolicy sizePolicy () const
 
void setSizePolicy (QSizePolicy)
 
void setSizePolicy (QSizePolicy::Policy horizontal, QSizePolicy::Policy vertical)
 
virtual int heightForWidth (int) const
 
QRegion visibleRegion () const
 
void setContentsMargins (int left, int top, int right, int bottom)
 
void setContentsMargins (const QMargins &margins)
 
void getContentsMargins (int *left, int *top, int *right, int *bottom) const
 
QMargins contentsMargins () const
 
QRect contentsRect () const
 
QLayout * layout () const
 
void setLayout (QLayout *)
 
void updateGeometry ()
 
void setParent (QWidget *parent)
 
void setParent (QWidget *parent, Qt::WindowFlags f)
 
void scroll (int dx, int dy)
 
void scroll (int dx, int dy, const QRect &)
 
QWidget * focusWidget () const
 
QWidget * nextInFocusChain () const
 
QWidget * previousInFocusChain () const
 
bool acceptDrops () const
 
void setAcceptDrops (bool on)
 
void addAction (QAction *action)
 
void addActions (QList< QAction * > actions)
 
void insertAction (QAction *before, QAction *action)
 
void insertActions (QAction *before, QList< QAction * > actions)
 
void removeAction (QAction *action)
 
QList< QAction * > actions () const
 
QWidget * parentWidget () const
 
void setWindowFlags (Qt::WindowFlags type)
 
Qt::WindowFlags windowFlags () const
 
void overrideWindowFlags (Qt::WindowFlags type)
 
Qt::WindowType windowType () const
 
QWidget * childAt (int x, int y) const
 
QWidget * childAt (const QPoint &p) const
 
const QX11Info & x11Info () const
 
Qt::HANDLE x11PictureHandle () const
 
Qt::HANDLE handle () const
 
void setAttribute (Qt::WidgetAttribute, bool on=true)
 
bool testAttribute (Qt::WidgetAttribute) const
 
QPaintEngine * paintEngine () const
 
void ensurePolished () const
 
QInputContext * inputContext ()
 
void setInputContext (QInputContext *)
 
bool isAncestorOf (const QWidget *child) const
 
bool autoFillBackground () const
 
void setAutoFillBackground (bool enabled)
 
void setWindowSurface (QWindowSurface *surface)
 
QWindowSurface * windowSurface () const
 
Qt::InputMethodHints inputMethodHints () const
 
void setInputMethodHints (Qt::InputMethodHints hints)
 
- Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=0)
 
virtual ~QObject ()
 
virtual bool eventFilter (QObject *, QEvent *)
 
QString objectName () const
 
void setObjectName (const QString &name)
 
bool isWidgetType () const
 
bool signalsBlocked () const
 
bool blockSignals (bool b)
 
QThread * thread () const
 
void moveToThread (QThread *thread)
 
int startTimer (int interval)
 
void killTimer (int id)
 
template<typename T >
T findChild (const QString &aName=QString()) const
 
template<typename T >
QList< T > findChildren (const QString &aName=QString()) const
 
template<typename T >
QList< T > findChildren (const QRegExp &re) const
 
const QObjectList & children () const
 
void setParent (QObject *)
 
void installEventFilter (QObject *)
 
void removeEventFilter (QObject *)
 
bool connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
 
bool disconnect (const QObject *receiver, const char *member=0)
 
void dumpObjectTree ()
 
void dumpObjectInfo ()
 
bool setProperty (const char *name, const QVariant &value)
 
QVariant property (const char *name) const
 
QList< QByteArray > dynamicPropertyNames () const
 
void setUserData (uint id, QObjectUserData *data)
 
QObjectUserData * userData (uint id) const
 
QObject * parent () const
 
bool inherits (const char *classname) const
 
- Public Member Functions inherited from QPaintDevice
virtual ~QPaintDevice ()
 
bool paintingActive () const
 
int width () const
 
int height () const
 
int widthMM () const
 
int heightMM () const
 
int logicalDpiX () const
 
int logicalDpiY () const
 
int physicalDpiX () const
 
int physicalDpiY () const
 
int colorCount () const
 
int depth () const
 

Protected Slots

void setupViewport (QWidget *widget)
 
- Protected Slots inherited from QAbstractScrollArea
void setupViewport (QWidget *viewport)
 
- Protected Slots inherited from QWidget
void updateMicroFocus ()
 

Protected Member Functions

 QGraphicsView (QGraphicsViewPrivate &, QWidget *parent=0)
 
bool event (QEvent *event)
 
bool viewportEvent (QEvent *event)
 
void contextMenuEvent (QContextMenuEvent *event)
 
void dragEnterEvent (QDragEnterEvent *event)
 
void dragLeaveEvent (QDragLeaveEvent *event)
 
void dragMoveEvent (QDragMoveEvent *event)
 
void dropEvent (QDropEvent *event)
 
void focusInEvent (QFocusEvent *event)
 
bool focusNextPrevChild (bool next)
 
void focusOutEvent (QFocusEvent *event)
 
void keyPressEvent (QKeyEvent *event)
 
void keyReleaseEvent (QKeyEvent *event)
 
void mouseDoubleClickEvent (QMouseEvent *event)
 
void mousePressEvent (QMouseEvent *event)
 
void mouseMoveEvent (QMouseEvent *event)
 
void mouseReleaseEvent (QMouseEvent *event)
 
void wheelEvent (QWheelEvent *event)
 
void paintEvent (QPaintEvent *event)
 
void resizeEvent (QResizeEvent *event)
 
void scrollContentsBy (int dx, int dy)
 
void showEvent (QShowEvent *event)
 
void inputMethodEvent (QInputMethodEvent *event)
 
virtual void drawBackground (QPainter *painter, const QRectF &rect)
 
virtual void drawForeground (QPainter *painter, const QRectF &rect)
 
virtual void drawItems (QPainter *painter, int numItems, QGraphicsItem *items[], const QStyleOptionGraphicsItem options[])
 
- Protected Member Functions inherited from QAbstractScrollArea
 QAbstractScrollArea (QAbstractScrollAreaPrivate &dd, QWidget *parent=0)
 
void setViewportMargins (int left, int top, int right, int bottom)
 
void setViewportMargins (const QMargins &margins)
 
- Protected Member Functions inherited from QFrame
void changeEvent (QEvent *)
 
void drawFrame (QPainter *)
 
 QFrame (QFramePrivate &dd, QWidget *parent=0, Qt::WindowFlags f=0)
 
- Protected Member Functions inherited from QWidget
bool event (QEvent *)
 
virtual void enterEvent (QEvent *)
 
virtual void leaveEvent (QEvent *)
 
virtual void moveEvent (QMoveEvent *)
 
virtual void closeEvent (QCloseEvent *)
 
virtual void tabletEvent (QTabletEvent *)
 
virtual void actionEvent (QActionEvent *)
 
virtual void hideEvent (QHideEvent *)
 
virtual bool x11Event (XEvent *)
 
int metric (PaintDeviceMetric) const
 
void resetInputContext ()
 
void create (WId=0, bool initializeWindow=true, bool destroyOldWindow=true)
 
void destroy (bool destroyWindow=true, bool destroySubWindows=true)
 
bool focusNextChild ()
 
bool focusPreviousChild ()
 
 QWidget (QWidgetPrivate &d, QWidget *parent, Qt::WindowFlags f)
 
virtual void styleChange (QStyle &)
 
virtual void enabledChange (bool)
 
virtual void paletteChange (const QPalette &)
 
virtual void fontChange (const QFont &)
 
virtual void windowActivationChange (bool)
 
virtual void languageChange ()
 
- Protected Member Functions inherited from QObject
QObject * sender () const
 
int senderSignalIndex () const
 
int receivers (const char *signal) const
 
virtual void timerEvent (QTimerEvent *)
 
virtual void childEvent (QChildEvent *)
 
virtual void customEvent (QEvent *)
 
virtual void connectNotify (const char *signal)
 
virtual void disconnectNotify (const char *signal)
 
 QObject (QObjectPrivate &dd, QObject *parent=0)
 
- Protected Member Functions inherited from QPaintDevice
 QPaintDevice ()
 

Properties

QBrush backgroundBrush
 
QBrush foregroundBrush
 
bool interactive
 
QRectF sceneRect
 
Qt::Alignment alignment
 
QPainter::RenderHints renderHints
 
DragMode dragMode
 
CacheMode cacheMode
 
ViewportAnchor transformationAnchor
 
ViewportAnchor resizeAnchor
 
ViewportUpdateMode viewportUpdateMode
 
Qt::ItemSelectionMode rubberBandSelectionMode
 
OptimizationFlags optimizationFlags
 
- Properties inherited from QAbstractScrollArea
Qt::ScrollBarPolicy verticalScrollBarPolicy
 
Qt::ScrollBarPolicy horizontalScrollBarPolicy
 
- Properties inherited from QFrame
Shape frameShape
 
Shadow frameShadow
 
int lineWidth
 
int midLineWidth
 
int frameWidth
 
QRect frameRect
 
- Properties inherited from QWidget
bool modal
 
Qt::WindowModality windowModality
 
bool enabled
 
QRect geometry
 
QRect frameGeometry
 
QRect normalGeometry
 
int x
 
int y
 
QPoint pos
 
QSize frameSize
 
QSize size
 
int width
 
int height
 
QRect rect
 
QRect childrenRect
 
QRegion childrenRegion
 
QSizePolicy sizePolicy
 
QSize minimumSize
 
QSize maximumSize
 
int minimumWidth
 
int minimumHeight
 
int maximumWidth
 
int maximumHeight
 
QSize sizeIncrement
 
QSize baseSize
 
QPalette palette
 
QFont font
 
QCursor cursor
 
bool mouseTracking
 
bool isActiveWindow
 
Qt::FocusPolicy focusPolicy
 
bool focus
 
Qt::ContextMenuPolicy contextMenuPolicy
 
bool updatesEnabled
 
bool visible
 
bool minimized
 
bool maximized
 
bool fullScreen
 
QSize sizeHint
 
QSize minimumSizeHint
 
bool acceptDrops
 
QString windowTitle
 
QIcon windowIcon
 
QString windowIconText
 
double windowOpacity
 
bool windowModified
 
QString toolTip
 
QString statusTip
 
QString whatsThis
 
QString accessibleName
 
QString accessibleDescription
 
Qt::LayoutDirection layoutDirection
 
bool autoFillBackground
 
QString styleSheet
 
QLocale locale
 
QString windowFilePath
 
Qt::InputMethodHints inputMethodHints
 
- Properties inherited from QObject
QString objectName
 

Friends

class QGraphicsScene
 
class QGraphicsScenePrivate
 
class QGraphicsItemPrivate
 

Additional Inherited Members

- Signals inherited from QWidget
void customContextMenuRequested (const QPoint &pos)
 
- Signals inherited from QObject
void destroyed (QObject *=0)
 
- Static Public Member Functions inherited from QWidget
static void setTabOrder (QWidget *, QWidget *)
 
static QWidget * mouseGrabber ()
 
static QWidget * keyboardGrabber ()
 
static QWidget * find (WId)
 
- Static Public Member Functions inherited from QObject
static bool connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 
static bool connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static uint registerUserData ()
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr
 
- Protected Attributes inherited from QPaintDevice
ushort painters
 
- Static Protected Attributes inherited from QObject
static const QMetaObject staticQtMetaObject
 

Member Enumeration Documentation

enum ViewportAnchor
Enumerator
NoAnchor 
AnchorViewCenter 
AnchorUnderMouse 

Definition at line 86 of file qgraphicsview.h.

86  {
87  NoAnchor,
88  AnchorViewCenter,
89  AnchorUnderMouse
90  };
enum CacheModeFlag
Enumerator
CacheNone 
CacheBackground 

Definition at line 92 of file qgraphicsview.h.

92  {
93  CacheNone = 0x0,
94  CacheBackground = 0x1
95  };
enum DragMode
Enumerator
NoDrag 
ScrollHandDrag 
RubberBandDrag 

Definition at line 98 of file qgraphicsview.h.

98  {
99  NoDrag,
100  ScrollHandDrag,
101  RubberBandDrag
102  };
enum ViewportUpdateMode
Enumerator
FullViewportUpdate 
MinimalViewportUpdate 
SmartViewportUpdate 
NoViewportUpdate 
BoundingRectViewportUpdate 

Definition at line 104 of file qgraphicsview.h.

104  {
105  FullViewportUpdate,
106  MinimalViewportUpdate,
107  SmartViewportUpdate,
108  NoViewportUpdate,
109  BoundingRectViewportUpdate
110  };
enum OptimizationFlag
Enumerator
DontClipPainter 
DontSavePainterState 
DontAdjustForAntialiasing 
IndirectPainting 

Definition at line 112 of file qgraphicsview.h.

112  {
113  DontClipPainter = 0x1, // obsolete
114  DontSavePainterState = 0x2,
115  DontAdjustForAntialiasing = 0x4,
116  IndirectPainting = 0x8
117  };

Constructor & Destructor Documentation

QGraphicsView ( QWidget *  parent = 0)
QGraphicsView ( QGraphicsScene *  scene,
QWidget *  parent = 0 
)
~QGraphicsView ( )
QGraphicsView ( QGraphicsViewPrivate &  ,
QWidget *  parent = 0 
)
protected

Member Function Documentation

QSize sizeHint ( ) const
virtual

Reimplemented from QAbstractScrollArea.

QPainter::RenderHints renderHints ( ) const
void setRenderHint ( QPainter::RenderHint  hint,
bool  enabled = true 
)
void setRenderHints ( QPainter::RenderHints  hints)
Qt::Alignment alignment ( ) const
void setAlignment ( Qt::Alignment  alignment)
ViewportAnchor transformationAnchor ( ) const
void setTransformationAnchor ( ViewportAnchor  anchor)
ViewportAnchor resizeAnchor ( ) const
void setResizeAnchor ( ViewportAnchor  anchor)
ViewportUpdateMode viewportUpdateMode ( ) const
void setViewportUpdateMode ( ViewportUpdateMode  mode)
OptimizationFlags optimizationFlags ( ) const
void setOptimizationFlag ( OptimizationFlag  flag,
bool  enabled = true 
)
void setOptimizationFlags ( OptimizationFlags  flags)
DragMode dragMode ( ) const
void setDragMode ( DragMode  mode)
Qt::ItemSelectionMode rubberBandSelectionMode ( ) const
void setRubberBandSelectionMode ( Qt::ItemSelectionMode  mode)
CacheMode cacheMode ( ) const
void setCacheMode ( CacheMode  mode)
void resetCachedContent ( )
bool isInteractive ( ) const
void setInteractive ( bool  allowed)
QGraphicsScene* scene ( ) const
void setScene ( QGraphicsScene *  scene)
QRectF sceneRect ( ) const
void setSceneRect ( const QRectF &  rect)
void setSceneRect ( qreal  x,
qreal  y,
qreal  w,
qreal  h 
)
inline

Definition at line 287 of file qgraphicsview.h.

288 { setSceneRect(QRectF(ax, ay, aw, ah)); }
QGraphicsView::setSceneRect
void setSceneRect(const QRectF &rect)
QRectF
Definition: qrect.h:511
QMatrix matrix ( ) const
void setMatrix ( const QMatrix &  matrix,
bool  combine = false 
)
void resetMatrix ( )
QTransform transform ( ) const
QTransform viewportTransform ( ) const
bool isTransformed ( ) const
void setTransform ( const QTransform &  matrix,
bool  combine = false 
)
void resetTransform ( )
void rotate ( qreal  angle)
void scale ( qreal  sx,
qreal  sy 
)
void shear ( qreal  sh,
qreal  sv 
)
void translate ( qreal  dx,
qreal  dy 
)
void centerOn ( const QPointF &  pos)
void centerOn ( qreal  x,
qreal  y 
)
inline

Definition at line 289 of file qgraphicsview.h.

290 { centerOn(QPointF(ax, ay)); }
QGraphicsView::centerOn
void centerOn(const QPointF &pos)
void centerOn ( const QGraphicsItem *  item)
void ensureVisible ( const QRectF &  rect,
int  xmargin = 50,
int  ymargin = 50 
)
void ensureVisible ( qreal  x,
qreal  y,
qreal  w,
qreal  h,
int  xmargin = 50,
int  ymargin = 50 
)
inline

Definition at line 291 of file qgraphicsview.h.

292 { ensureVisible(QRectF(ax, ay, aw, ah), xmargin, ymargin); }
QGraphicsView::ensureVisible
void ensureVisible(const QRectF &rect, int xmargin=50, int ymargin=50)
QRectF
Definition: qrect.h:511
void ensureVisible ( const QGraphicsItem *  item,
int  xmargin = 50,
int  ymargin = 50 
)
void fitInView ( const QRectF &  rect,
Qt::AspectRatioMode  aspectRadioMode = Qt::IgnoreAspectRatio 
)
void fitInView ( qreal  x,
qreal  y,
qreal  w,
qreal  h,
Qt::AspectRatioMode  aspectRadioMode = Qt::IgnoreAspectRatio 
)
inline

Definition at line 293 of file qgraphicsview.h.

294 { fitInView(QRectF(ax, ay, w, h), mode); }
mode
GLint mode
Definition: GLee.h:4479
QGraphicsView::fitInView
void fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)
QRectF
Definition: qrect.h:511
h
int int int int int int h
Definition: GLee.h:10534
w
GLubyte GLubyte GLubyte GLubyte w
Definition: GLee.h:1775
void fitInView ( const QGraphicsItem *  item,
Qt::AspectRatioMode  aspectRadioMode = Qt::IgnoreAspectRatio 
)
void render ( QPainter *  painter,
const QRectF &  target = QRectF(),
const QRect &  source = QRect(),
Qt::AspectRatioMode  aspectRatioMode = Qt::KeepAspectRatio 
)
QList<QGraphicsItem *> items ( ) const
QList<QGraphicsItem *> items ( const QPoint &  pos) const
QList< QGraphicsItem * > items ( int  x,
int  y 
) const
inline

Definition at line 295 of file qgraphicsview.h.

296 { return items(QPoint(ax, ay)); }
QPoint
Definition: qpoint.h:53
QGraphicsView::items
QList< QGraphicsItem * > items() const
QList<QGraphicsItem *> items ( const QRect &  rect,
Qt::ItemSelectionMode  mode = Qt::IntersectsItemShape 
) const
QList< QGraphicsItem * > items ( int  x,
int  y,
int  w,
int  h,
Qt::ItemSelectionMode  mode = Qt::IntersectsItemShape 
) const
inline

Definition at line 297 of file qgraphicsview.h.

298 { return items(QRect(ax, ay, w, h), mode); }
mode
GLint mode
Definition: GLee.h:4479
QGraphicsView::items
QList< QGraphicsItem * > items() const
QRect
Definition: qrect.h:58
h
int int int int int int h
Definition: GLee.h:10534
w
GLubyte GLubyte GLubyte GLubyte w
Definition: GLee.h:1775
QList<QGraphicsItem *> items ( const QPolygon &  polygon,
Qt::ItemSelectionMode  mode = Qt::IntersectsItemShape 
) const
QList<QGraphicsItem *> items ( const QPainterPath &  path,
Qt::ItemSelectionMode  mode = Qt::IntersectsItemShape 
) const
QGraphicsItem* itemAt ( const QPoint &  pos) const
QGraphicsItem * itemAt ( int  x,
int  y 
) const
inline

Definition at line 299 of file qgraphicsview.h.

300 { return itemAt(QPoint(ax, ay)); }
QPoint
Definition: qpoint.h:53
QGraphicsView::itemAt
QGraphicsItem * itemAt(const QPoint &pos) const
QPointF mapToScene ( const QPoint &  point) const
QPolygonF mapToScene ( const QRect &  rect) const
QPolygonF mapToScene ( const QPolygon &  polygon) const
QPainterPath mapToScene ( const QPainterPath &  path) const
QPoint mapFromScene ( const QPointF &  point) const
QPolygon mapFromScene ( const QRectF &  rect) const
QPolygon mapFromScene ( const QPolygonF &  polygon) const
QPainterPath mapFromScene ( const QPainterPath &  path) const
QPointF mapToScene ( int  x,
int  y 
) const
inline

Definition at line 301 of file qgraphicsview.h.

302 { return mapToScene(QPoint(ax, ay)); }
QGraphicsView::mapToScene
QPointF mapToScene(const QPoint &point) const
QPoint
Definition: qpoint.h:53
QPolygonF mapToScene ( int  x,
int  y,
int  w,
int  h 
) const
inline

Definition at line 303 of file qgraphicsview.h.

304 { return mapToScene(QRect(ax, ay, w, h)); }
QGraphicsView::mapToScene
QPointF mapToScene(const QPoint &point) const
QRect
Definition: qrect.h:58
h
int int int int int int h
Definition: GLee.h:10534
w
GLubyte GLubyte GLubyte GLubyte w
Definition: GLee.h:1775
QPoint mapFromScene ( qreal  x,
qreal  y 
) const
inline

Definition at line 305 of file qgraphicsview.h.

306 { return mapFromScene(QPointF(ax, ay)); }
QGraphicsView::mapFromScene
QPoint mapFromScene(const QPointF &point) const
QPolygon mapFromScene ( qreal  x,
qreal  y,
qreal  w,
qreal  h 
) const
inline

Definition at line 307 of file qgraphicsview.h.

308 { return mapFromScene(QRectF(ax, ay, w, h)); }
QGraphicsView::mapFromScene
QPoint mapFromScene(const QPointF &point) const
QRectF
Definition: qrect.h:511
h
int int int int int int h
Definition: GLee.h:10534
w
GLubyte GLubyte GLubyte GLubyte w
Definition: GLee.h:1775
QVariant inputMethodQuery ( Qt::InputMethodQuery  query) const
virtual

Reimplemented from QWidget.

QBrush backgroundBrush ( ) const
void setBackgroundBrush ( const QBrush &  brush)
QBrush foregroundBrush ( ) const
void setForegroundBrush ( const QBrush &  brush)
void updateScene ( const QList< QRectF > &  rects)
slot
void invalidateScene ( const QRectF &  rect = QRectF(),
QGraphicsScene::SceneLayers  layers = QGraphicsScene::AllLayers 
)
slot
void updateSceneRect ( const QRectF &  rect)
slot
void setupViewport ( QWidget *  widget)
protectedslot
bool event ( QEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

bool viewportEvent ( QEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void contextMenuEvent ( QContextMenuEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void dragEnterEvent ( QDragEnterEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void dragLeaveEvent ( QDragLeaveEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void dragMoveEvent ( QDragMoveEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void dropEvent ( QDropEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void focusInEvent ( QFocusEvent *  event)
protectedvirtual

Reimplemented from QWidget.

bool focusNextPrevChild ( bool  next)
protectedvirtual

Reimplemented from QWidget.

void focusOutEvent ( QFocusEvent *  event)
protectedvirtual

Reimplemented from QWidget.

void keyPressEvent ( QKeyEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void keyReleaseEvent ( QKeyEvent *  event)
protectedvirtual

Reimplemented from QWidget.

void mouseDoubleClickEvent ( QMouseEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void mousePressEvent ( QMouseEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void mouseMoveEvent ( QMouseEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void mouseReleaseEvent ( QMouseEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void wheelEvent ( QWheelEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void paintEvent ( QPaintEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void resizeEvent ( QResizeEvent *  event)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void scrollContentsBy ( int  dx,
int  dy 
)
protectedvirtual

Reimplemented from QAbstractScrollArea.

void showEvent ( QShowEvent *  event)
protectedvirtual

Reimplemented from QWidget.

void inputMethodEvent ( QInputMethodEvent *  event)
protectedvirtual

Reimplemented from QWidget.

virtual void drawBackground ( QPainter *  painter,
const QRectF &  rect 
)
protectedvirtual
virtual void drawForeground ( QPainter *  painter,
const QRectF &  rect 
)
protectedvirtual
virtual void drawItems ( QPainter *  painter,
int  numItems,
QGraphicsItem *  items[],
const QStyleOptionGraphicsItem  options[] 
)
protectedvirtual

Friends And Related Function Documentation

friend class QGraphicsScene
friend

Definition at line 279 of file qgraphicsview.h.

friend class QGraphicsScenePrivate
friend

Definition at line 280 of file qgraphicsview.h.

friend class QGraphicsItemPrivate
friend

Definition at line 281 of file qgraphicsview.h.

Property Documentation

QBrush backgroundBrush
readwrite

Definition at line 69 of file qgraphicsview.h.

QBrush foregroundBrush
readwrite

Definition at line 70 of file qgraphicsview.h.

bool interactive
readwrite

Definition at line 71 of file qgraphicsview.h.

QRectF sceneRect
readwrite

Definition at line 72 of file qgraphicsview.h.

Qt::Alignment alignment
readwrite

Definition at line 73 of file qgraphicsview.h.

QPainter::RenderHints renderHints
readwrite

Definition at line 74 of file qgraphicsview.h.

DragMode dragMode
readwrite

Definition at line 75 of file qgraphicsview.h.

CacheMode cacheMode
readwrite

Definition at line 76 of file qgraphicsview.h.

ViewportAnchor transformationAnchor
readwrite

Definition at line 77 of file qgraphicsview.h.

ViewportAnchor resizeAnchor
readwrite

Definition at line 78 of file qgraphicsview.h.

ViewportUpdateMode viewportUpdateMode
readwrite

Definition at line 79 of file qgraphicsview.h.

Qt::ItemSelectionMode rubberBandSelectionMode
readwrite

Definition at line 81 of file qgraphicsview.h.

OptimizationFlags optimizationFlags
readwrite

Definition at line 83 of file qgraphicsview.h.

The documentation for this class was generated from the following file:
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