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QHelpContentWidget Class

The QHelpContentWidget class provides a tree view for displaying help content model items. More...

 #include <QHelpContentWidget>

Inherits: QTreeView.

This class was introduced in Qt 4.4.

Public Types

enum DragDropMode { NoDragDrop, DragOnly, DropOnly, DragDrop, InternalMove }
enum EditTrigger { NoEditTriggers, CurrentChanged, DoubleClicked, SelectedClicked, ..., AllEditTriggers }
flags EditTriggers
enum PaintDeviceMetric { PdmWidth, PdmHeight, PdmWidthMM, PdmHeightMM, ..., PdmPhysicalDpiY }
enum ScrollHint { EnsureVisible, PositionAtTop, PositionAtBottom, PositionAtCenter }
enum ScrollMode { ScrollPerItem, ScrollPerPixel }
enum SelectionBehavior { SelectItems, SelectRows, SelectColumns }
enum SelectionMode { SingleSelection, ContiguousSelection, ExtendedSelection, MultiSelection, NoSelection }

Properties

Public Functions

QAbstractItemView(QWidget * parent = 0)
~QAbstractItemView()
virtual ~QPaintDevice()
bool alternatingRowColors() const
int autoScrollMargin() const
void closePersistentEditor(const QModelIndex & index)
int colorCount() const
QModelIndex currentIndex() const
Qt::DropAction defaultDropAction() const
int depth() const
DragDropMode dragDropMode() const
bool dragDropOverwriteMode() const
bool dragEnabled() const
EditTriggers editTriggers() const
bool hasAutoScroll() const
int height() const
int heightMM() const
ScrollMode horizontalScrollMode() const
QSize iconSize() const
virtual QModelIndex indexAt(const QPoint & point) const = 0
QModelIndex indexOf(const QUrl & link)
QWidget * indexWidget(const QModelIndex & index) const
virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const
QAbstractItemDelegate * itemDelegate() const
QAbstractItemDelegate * itemDelegate(const QModelIndex & index) const
QAbstractItemDelegate * itemDelegateForColumn(int column) const
QAbstractItemDelegate * itemDelegateForRow(int row) const
virtual void keyboardSearch(const QString & search)
int logicalDpiX() const
int logicalDpiY() const
QAbstractItemModel * model() const
void openPersistentEditor(const QModelIndex & index)
virtual QPaintEngine * paintEngine() const = 0
bool paintingActive() const
int physicalDpiX() const
int physicalDpiY() const
QModelIndex rootIndex() const
virtual void scrollTo(const QModelIndex & index, ScrollHint hint = EnsureVisible) = 0
QAbstractItemView::SelectionBehavior selectionBehavior() const
QAbstractItemView::SelectionMode selectionMode() const
QItemSelectionModel * selectionModel() const
void setAlternatingRowColors(bool enable)
void setAutoScroll(bool enable)
void setAutoScrollMargin(int margin)
void setDefaultDropAction(Qt::DropAction dropAction)
void setDragDropMode(DragDropMode behavior)
void setDragDropOverwriteMode(bool overwrite)
void setDragEnabled(bool enable)
void setDropIndicatorShown(bool enable)
void setEditTriggers(EditTriggers triggers)
void setHorizontalScrollMode(ScrollMode mode)
void setIconSize(const QSize & size)
void setIndexWidget(const QModelIndex & index, QWidget * widget)
void setItemDelegate(QAbstractItemDelegate * delegate)
void setItemDelegateForColumn(int column, QAbstractItemDelegate * delegate)
void setItemDelegateForRow(int row, QAbstractItemDelegate * delegate)
virtual void setModel(QAbstractItemModel * model)
void setSelectionBehavior(QAbstractItemView::SelectionBehavior behavior)
void setSelectionMode(QAbstractItemView::SelectionMode mode)
virtual void setSelectionModel(QItemSelectionModel * selectionModel)
void setTabKeyNavigation(bool enable)
void setTextElideMode(Qt::TextElideMode mode)
void setVerticalScrollMode(ScrollMode mode)
bool showDropIndicator() const
virtual int sizeHintForColumn(int column) const
QSize sizeHintForIndex(const QModelIndex & index) const
virtual int sizeHintForRow(int row) const
bool tabKeyNavigation() const
Qt::TextElideMode textElideMode() const
ScrollMode verticalScrollMode() const
virtual QRect visualRect(const QModelIndex & index) const = 0
int width() const
int widthMM() const

Public Slots

void clearSelection()
void edit(const QModelIndex & index)
virtual void reset()
void scrollToBottom()
void scrollToTop()
virtual void selectAll()
void setCurrentIndex(const QModelIndex & index)
virtual void setRootIndex(const QModelIndex & index)
void update(const QModelIndex & index)
  • 8 public slots inherited from QTreeView
  • 19 public slots inherited from QWidget
  • 1 public slot inherited from QObject

Signals

void activated(const QModelIndex & index)
void clicked(const QModelIndex & index)
void doubleClicked(const QModelIndex & index)
void entered(const QModelIndex & index)
void linkActivated(const QUrl & link)
void pressed(const QModelIndex & index)
void viewportEntered()

Protected Types

enum CursorAction { MoveUp, MoveDown, MoveLeft, MoveRight, ..., MovePrevious }
enum DropIndicatorPosition { OnItem, AboveItem, BelowItem, OnViewport }
enum State { NoState, DraggingState, DragSelectingState, EditingState, ..., AnimatingState }

Protected Functions

QPaintDevice()
QPoint dirtyRegionOffset() const
virtual void dragEnterEvent(QDragEnterEvent * event)
virtual void dragLeaveEvent(QDragLeaveEvent * event)
virtual void dragMoveEvent(QDragMoveEvent * event)
virtual void dropEvent(QDropEvent * event)
DropIndicatorPosition dropIndicatorPosition() const
virtual bool edit(const QModelIndex & index, EditTrigger trigger, QEvent * event)
virtual bool event(QEvent * event)
void executeDelayedItemsLayout()
virtual void focusInEvent(QFocusEvent * event)
virtual bool focusNextPrevChild(bool next)
virtual void focusOutEvent(QFocusEvent * event)
virtual int horizontalOffset() const = 0
virtual void init(QPainter * painter) const
virtual void inputMethodEvent(QInputMethodEvent * event)
virtual bool isIndexHidden(const QModelIndex & index) const = 0
virtual void keyPressEvent(QKeyEvent * event)
virtual int metric(PaintDeviceMetric metric) const
virtual void mouseDoubleClickEvent(QMouseEvent * event)
virtual void mouseMoveEvent(QMouseEvent * event)
virtual void mousePressEvent(QMouseEvent * event)
virtual void mouseReleaseEvent(QMouseEvent * event)
virtual QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) = 0
virtual QPaintDevice * redirected(QPoint * offset) const
virtual void resizeEvent(QResizeEvent * event)
void scheduleDelayedItemsLayout()
void scrollDirtyRegion(int dx, int dy)
virtual QModelIndexList selectedIndexes() const
virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex & index, const QEvent * event = 0) const
void setDirtyRegion(const QRegion & region)
virtual void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags flags) = 0
void setState(State state)
virtual QPainter * sharedPainter() const
virtual void startDrag(Qt::DropActions supportedActions)
State state() const
virtual void timerEvent(QTimerEvent * event)
virtual int verticalOffset() const = 0
virtual QStyleOptionViewItem viewOptions() const
virtual bool viewportEvent(QEvent * event)
virtual QRegion visualRegionForSelection(const QItemSelection & selection) const = 0
  • 28 protected functions inherited from QTreeView
  • 18 protected functions inherited from QAbstractScrollArea
  • 3 protected functions inherited from QFrame
  • 37 protected functions inherited from QWidget
  • 9 protected functions inherited from QObject

Protected Slots

virtual void closeEditor(QWidget * editor, QAbstractItemDelegate::EndEditHint hint)
virtual void commitData(QWidget * editor)
virtual void currentChanged(const QModelIndex & current, const QModelIndex & previous)
virtual void dataChanged(const QModelIndex & topLeft, const QModelIndex & bottomRight, const QSet<int> & roles = QSet<int> ())
virtual void editorDestroyed(QObject * editor)
virtual void rowsAboutToBeRemoved(const QModelIndex & parent, int start, int end)
virtual void rowsInserted(const QModelIndex & parent, int start, int end)
virtual void selectionChanged(const QItemSelection & selected, const QItemSelection & deselected)
virtual void updateGeometries()
  • 4 protected slots inherited from QTreeView
  • 1 protected slot inherited from QWidget

Additional Inherited Members

  • 4 static public members inherited from QWidget
  • 11 static public members inherited from QObject

Detailed Description

The QHelpContentWidget class provides a tree view for displaying help content model items.

Member Function Documentation

QModelIndex QHelpContentWidget::indexOf(const QUrl & link)

Returns the index of the content item with the link. An invalid index is returned if no such an item exists.

void QHelpContentWidget::linkActivated(const QUrl & link) [signal]

This signal is emitted when a content item is activated and its associated link should be shown.

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