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Diffstat (limited to 'src/widgets/itemviews/qabstractitemview.h')
| -rw-r--r-- | src/widgets/itemviews/qabstractitemview.h | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qabstractitemview.h b/src/widgets/itemviews/qabstractitemview.h new file mode 100644 index 0000000000..f413f61b87 --- /dev/null +++ b/src/widgets/itemviews/qabstractitemview.h @@ -0,0 +1,380 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QABSTRACTITEMVIEW_H +#define QABSTRACTITEMVIEW_H + +#include <QtWidgets/qabstractscrollarea.h> +#include <QtCore/qabstractitemmodel.h> +#include <QtWidgets/qitemselectionmodel.h> +#include <QtWidgets/qabstractitemdelegate.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +#ifndef QT_NO_ITEMVIEWS + +class QMenu; +class QDrag; +class QEvent; +class QAbstractItemViewPrivate; + +class Q_GUI_EXPORT QAbstractItemView : public QAbstractScrollArea +{ + Q_OBJECT + Q_ENUMS(SelectionMode SelectionBehavior ScrollHint ScrollMode DragDropMode) + Q_FLAGS(EditTriggers) + Q_PROPERTY(bool autoScroll READ hasAutoScroll WRITE setAutoScroll) + Q_PROPERTY(int autoScrollMargin READ autoScrollMargin WRITE setAutoScrollMargin) + Q_PROPERTY(EditTriggers editTriggers READ editTriggers WRITE setEditTriggers) + Q_PROPERTY(bool tabKeyNavigation READ tabKeyNavigation WRITE setTabKeyNavigation) +#ifndef QT_NO_DRAGANDDROP + Q_PROPERTY(bool showDropIndicator READ showDropIndicator WRITE setDropIndicatorShown) + Q_PROPERTY(bool dragEnabled READ dragEnabled WRITE setDragEnabled) + Q_PROPERTY(bool dragDropOverwriteMode READ dragDropOverwriteMode WRITE setDragDropOverwriteMode) + Q_PROPERTY(DragDropMode dragDropMode READ dragDropMode WRITE setDragDropMode) + Q_PROPERTY(Qt::DropAction defaultDropAction READ defaultDropAction WRITE setDefaultDropAction) +#endif + Q_PROPERTY(bool alternatingRowColors READ alternatingRowColors WRITE setAlternatingRowColors) + Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode) + Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior) + Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize) + Q_PROPERTY(Qt::TextElideMode textElideMode READ textElideMode WRITE setTextElideMode) + Q_PROPERTY(ScrollMode verticalScrollMode READ verticalScrollMode WRITE setVerticalScrollMode) + Q_PROPERTY(ScrollMode horizontalScrollMode READ horizontalScrollMode WRITE setHorizontalScrollMode) + +public: + enum SelectionMode { + NoSelection, + SingleSelection, + MultiSelection, + ExtendedSelection, + ContiguousSelection + }; + + enum SelectionBehavior { + SelectItems, + SelectRows, + SelectColumns + }; + + enum ScrollHint { + EnsureVisible, + PositionAtTop, + PositionAtBottom, + PositionAtCenter + }; + + enum EditTrigger { + NoEditTriggers = 0, + CurrentChanged = 1, + DoubleClicked = 2, + SelectedClicked = 4, + EditKeyPressed = 8, + AnyKeyPressed = 16, + AllEditTriggers = 31 + }; + + Q_DECLARE_FLAGS(EditTriggers, EditTrigger) + + enum ScrollMode { + ScrollPerItem, + ScrollPerPixel + }; + + explicit QAbstractItemView(QWidget *parent = 0); + ~QAbstractItemView(); + + virtual void setModel(QAbstractItemModel *model); + QAbstractItemModel *model() const; + + virtual void setSelectionModel(QItemSelectionModel *selectionModel); + QItemSelectionModel *selectionModel() const; + + void setItemDelegate(QAbstractItemDelegate *delegate); + QAbstractItemDelegate *itemDelegate() const; + + void setSelectionMode(QAbstractItemView::SelectionMode mode); + QAbstractItemView::SelectionMode selectionMode() const; + + void setSelectionBehavior(QAbstractItemView::SelectionBehavior behavior); + QAbstractItemView::SelectionBehavior selectionBehavior() const; + + QModelIndex currentIndex() const; + QModelIndex rootIndex() const; + + void setEditTriggers(EditTriggers triggers); + EditTriggers editTriggers() const; + + void setVerticalScrollMode(ScrollMode mode); + ScrollMode verticalScrollMode() const; + + void setHorizontalScrollMode(ScrollMode mode); + ScrollMode horizontalScrollMode() const; + + void setAutoScroll(bool enable); + bool hasAutoScroll() const; + + void setAutoScrollMargin(int margin); + int autoScrollMargin() const; + + void setTabKeyNavigation(bool enable); + bool tabKeyNavigation() const; + +#ifndef QT_NO_DRAGANDDROP + void setDropIndicatorShown(bool enable); + bool showDropIndicator() const; + + void setDragEnabled(bool enable); + bool dragEnabled() const; + + void setDragDropOverwriteMode(bool overwrite); + bool dragDropOverwriteMode() const; + + enum DragDropMode { + NoDragDrop, + DragOnly, + DropOnly, + DragDrop, + InternalMove + }; + + void setDragDropMode(DragDropMode behavior); + DragDropMode dragDropMode() const; + + void setDefaultDropAction(Qt::DropAction dropAction); + Qt::DropAction defaultDropAction() const; +#endif + + void setAlternatingRowColors(bool enable); + bool alternatingRowColors() const; + + void setIconSize(const QSize &size); + QSize iconSize() const; + + void setTextElideMode(Qt::TextElideMode mode); + Qt::TextElideMode textElideMode() const; + + virtual void keyboardSearch(const QString &search); + + virtual QRect visualRect(const QModelIndex &index) const = 0; + virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) = 0; + virtual QModelIndex indexAt(const QPoint &point) const = 0; + + QSize sizeHintForIndex(const QModelIndex &index) const; + virtual int sizeHintForRow(int row) const; + virtual int sizeHintForColumn(int column) const; + + void openPersistentEditor(const QModelIndex &index); + void closePersistentEditor(const QModelIndex &index); + + void setIndexWidget(const QModelIndex &index, QWidget *widget); + QWidget *indexWidget(const QModelIndex &index) const; + + void setItemDelegateForRow(int row, QAbstractItemDelegate *delegate); + QAbstractItemDelegate *itemDelegateForRow(int row) const; + + void setItemDelegateForColumn(int column, QAbstractItemDelegate *delegate); + QAbstractItemDelegate *itemDelegateForColumn(int column) const; + + QAbstractItemDelegate *itemDelegate(const QModelIndex &index) const; + + virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const; + +#ifdef Q_NO_USING_KEYWORD + inline void update() { QAbstractScrollArea::update(); } +#else + using QAbstractScrollArea::update; +#endif + +public Q_SLOTS: + virtual void reset(); + virtual void setRootIndex(const QModelIndex &index); + virtual void doItemsLayout(); + virtual void selectAll(); + void edit(const QModelIndex &index); + void clearSelection(); + void setCurrentIndex(const QModelIndex &index); + void scrollToTop(); + void scrollToBottom(); + void update(const QModelIndex &index); + +protected Q_SLOTS: + virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); + virtual void rowsInserted(const QModelIndex &parent, int start, int end); + virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); + virtual void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected); + virtual void currentChanged(const QModelIndex ¤t, const QModelIndex &previous); + virtual void updateEditorData(); + virtual void updateEditorGeometries(); + virtual void updateGeometries(); + virtual void verticalScrollbarAction(int action); + virtual void horizontalScrollbarAction(int action); + virtual void verticalScrollbarValueChanged(int value); + virtual void horizontalScrollbarValueChanged(int value); + virtual void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint); + virtual void commitData(QWidget *editor); + virtual void editorDestroyed(QObject *editor); + +Q_SIGNALS: + void pressed(const QModelIndex &index); + void clicked(const QModelIndex &index); + void doubleClicked(const QModelIndex &index); + + void activated(const QModelIndex &index); + void entered(const QModelIndex &index); + void viewportEntered(); + +protected: + QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = 0); + + void setHorizontalStepsPerItem(int steps); + int horizontalStepsPerItem() const; + void setVerticalStepsPerItem(int steps); + int verticalStepsPerItem() const; + + enum CursorAction { MoveUp, MoveDown, MoveLeft, MoveRight, + MoveHome, MoveEnd, MovePageUp, MovePageDown, + MoveNext, MovePrevious }; + virtual QModelIndex moveCursor(CursorAction cursorAction, + Qt::KeyboardModifiers modifiers) = 0; + + virtual int horizontalOffset() const = 0; + virtual int verticalOffset() const = 0; + + virtual bool isIndexHidden(const QModelIndex &index) const = 0; + + virtual void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command) = 0; + virtual QRegion visualRegionForSelection(const QItemSelection &selection) const = 0; + virtual QModelIndexList selectedIndexes() const; + + virtual bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event); + + virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex &index, + const QEvent *event = 0) const; + +#ifndef QT_NO_DRAGANDDROP + virtual void startDrag(Qt::DropActions supportedActions); +#endif + + virtual QStyleOptionViewItem viewOptions() const; + + enum State { + NoState, + DraggingState, + DragSelectingState, + EditingState, + ExpandingState, + CollapsingState, + AnimatingState + }; + + State state() const; + void setState(State state); + + void scheduleDelayedItemsLayout(); + void executeDelayedItemsLayout(); + + void setDirtyRegion(const QRegion ®ion); + void scrollDirtyRegion(int dx, int dy); + QPoint dirtyRegionOffset() const; + + void startAutoScroll(); + void stopAutoScroll(); + void doAutoScroll(); + + bool focusNextPrevChild(bool next); + bool event(QEvent *event); + bool viewportEvent(QEvent *event); + void mousePressEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseDoubleClickEvent(QMouseEvent *event); +#ifndef QT_NO_DRAGANDDROP + void dragEnterEvent(QDragEnterEvent *event); + void dragMoveEvent(QDragMoveEvent *event); + void dragLeaveEvent(QDragLeaveEvent *event); + void dropEvent(QDropEvent *event); +#endif + void focusInEvent(QFocusEvent *event); + void focusOutEvent(QFocusEvent *event); + void keyPressEvent(QKeyEvent *event); + void resizeEvent(QResizeEvent *event); + void timerEvent(QTimerEvent *event); + void inputMethodEvent(QInputMethodEvent *event); + +#ifndef QT_NO_DRAGANDDROP + enum DropIndicatorPosition { OnItem, AboveItem, BelowItem, OnViewport }; + DropIndicatorPosition dropIndicatorPosition() const; +#endif + +private: + Q_DECLARE_PRIVATE(QAbstractItemView) + Q_DISABLE_COPY(QAbstractItemView) + Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int)) + Q_PRIVATE_SLOT(d_func(), void _q_columnsRemoved(const QModelIndex&, int, int)) + Q_PRIVATE_SLOT(d_func(), void _q_columnsInserted(const QModelIndex&, int, int)) + Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int)) + Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed()) + Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged()) + Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged()) +#ifndef QT_NO_GESTURES + Q_PRIVATE_SLOT(d_func(), void _q_scrollerStateChanged()) +#endif + + friend class QTreeViewPrivate; // needed to compile with MSVC + friend class QAccessibleItemRow; + friend class QListModeViewBase; + friend class QListViewPrivate; // needed to compile for Symbian emulator +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractItemView::EditTriggers) + +#endif // QT_NO_ITEMVIEWS + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QABSTRACTITEMVIEW_H |