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Diffstat (limited to 'src/gui/itemviews/qlistview_p.h')
| -rw-r--r-- | src/gui/itemviews/qlistview_p.h | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/src/gui/itemviews/qlistview_p.h b/src/gui/itemviews/qlistview_p.h deleted file mode 100644 index 84aaaca2de..0000000000 --- a/src/gui/itemviews/qlistview_p.h +++ /dev/null @@ -1,492 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QLISTVIEW_P_H -#define QLISTVIEW_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists for the convenience -// of other Qt classes. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "private/qabstractitemview_p.h" -#include "qrubberband.h" -#include "qbitarray.h" -#include "qbsptree_p.h" -#include <limits.h> -#include <qscrollbar.h> - -#ifndef QT_NO_LISTVIEW - -QT_BEGIN_NAMESPACE - -class QListViewItem -{ - friend class QListViewPrivate; - friend class QListModeViewBase; - friend class QIconModeViewBase; -public: - inline QListViewItem() - : x(-1), y(-1), w(0), h(0), indexHint(-1), visited(0xffff) {} - inline QListViewItem(const QListViewItem &other) - : x(other.x), y(other.y), w(other.w), h(other.h), - indexHint(other.indexHint), visited(other.visited) {} - inline QListViewItem(QRect r, int i) - : x(r.x()), y(r.y()), w(qMin(r.width(), SHRT_MAX)), h(qMin(r.height(), SHRT_MAX)), - indexHint(i), visited(0xffff) {} - inline bool operator==(const QListViewItem &other) const { - return (x == other.x && y == other.y && w == other.w && h == other.h && - indexHint == other.indexHint); } - inline bool operator!=(const QListViewItem &other) const - { return !(*this == other); } - inline bool isValid() const - { return rect().isValid() && (indexHint > -1); } - inline void invalidate() - { x = -1; y = -1; w = 0; h = 0; } - inline void resize(const QSize &size) - { w = qMin(size.width(), SHRT_MAX); h = qMin(size.height(), SHRT_MAX); } - inline void move(const QPoint &position) - { x = position.x(); y = position.y(); } - inline int width() const { return w; } - inline int height() const { return h; } -private: - inline QRect rect() const - { return QRect(x, y, w, h); } - int x, y; - short w, h; - mutable int indexHint; - uint visited; -}; - -struct QListViewLayoutInfo -{ - QRect bounds; - QSize grid; - int spacing; - int first; - int last; - bool wrap; - QListView::Flow flow; - int max; -}; - -class QListView; -class QListViewPrivate; - -class QCommonListViewBase -{ -public: - inline QCommonListViewBase(QListView *q, QListViewPrivate *d) : dd(d), qq(q), batchStartRow(0), batchSavedDeltaSeg(0) {} - virtual ~QCommonListViewBase() {} - - //common interface - virtual int itemIndex(const QListViewItem &item) const = 0; - virtual QListViewItem indexToListViewItem(const QModelIndex &index) const = 0; - virtual bool doBatchedItemLayout(const QListViewLayoutInfo &info, int max) = 0; - virtual void clear() = 0; - virtual void setRowCount(int) = 0; - virtual QVector<QModelIndex> intersectingSet(const QRect &area) const = 0; - virtual void dataChanged(const QModelIndex &, const QModelIndex &) = 0; - - virtual int horizontalScrollToValue(int index, QListView::ScrollHint hint, - bool leftOf, bool rightOf, const QRect &area, const QRect &rect) const; - virtual int verticalScrollToValue(int index, QListView::ScrollHint hint, - bool above, bool below, const QRect &area, const QRect &rect) const; - virtual void scrollContentsBy(int dx, int dy, bool scrollElasticBand); - virtual QRect mapToViewport(const QRect &rect) const {return rect;} - virtual int horizontalOffset() const; - virtual int verticalOffset() const { return verticalScrollBar()->value(); } - virtual void updateHorizontalScrollBar(const QSize &step); - virtual void updateVerticalScrollBar(const QSize &step); - virtual void appendHiddenRow(int row); - virtual void removeHiddenRow(int row); - virtual void setPositionForIndex(const QPoint &, const QModelIndex &) { } - -#ifndef QT_NO_DRAGANDDROP - virtual void paintDragDrop(QPainter *painter) = 0; - virtual bool filterDragMoveEvent(QDragMoveEvent *) { return false; } - virtual bool filterDragLeaveEvent(QDragLeaveEvent *) { return false; } - virtual bool filterDropEvent(QDropEvent *) { return false; } - virtual bool filterStartDrag(Qt::DropActions) { return false; } -#endif - - - //other inline members - inline int spacing() const; - inline bool isWrapping() const; - inline QSize gridSize() const; - inline QListView::Flow flow() const; - inline QListView::Movement movement() const; - - inline QPoint offset() const; - inline QPoint pressedPosition() const; - inline bool uniformItemSizes() const; - inline int column() const; - - inline QScrollBar *verticalScrollBar() const; - inline QScrollBar *horizontalScrollBar() const; - inline QListView::ScrollMode verticalScrollMode() const; - inline QListView::ScrollMode horizontalScrollMode() const; - - inline QModelIndex modelIndex(int row) const; - inline int rowCount() const; - - inline QStyleOptionViewItemV4 viewOptions() const; - inline QWidget *viewport() const; - inline QRect clipRect() const; - - inline QSize cachedItemSize() const; - inline QRect viewItemRect(const QListViewItem &item) const; - inline QSize itemSize(const QStyleOptionViewItemV2 &opt, const QModelIndex &idx) const; - inline QAbstractItemDelegate *delegate(const QModelIndex &idx) const; - - inline bool isHidden(int row) const; - inline int hiddenCount() const; - - inline bool isRightToLeft() const; - - QListViewPrivate *dd; - QListView *qq; - QSize contentsSize; - int batchStartRow; - int batchSavedDeltaSeg; -}; - -class QListModeViewBase : public QCommonListViewBase -{ -public: - QListModeViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d) {} - - QVector<int> flowPositions; - QVector<int> segmentPositions; - QVector<int> segmentStartRows; - QVector<int> segmentExtents; - QVector<int> scrollValueMap; - - // used when laying out in batches - int batchSavedPosition; - - //reimplementations - int itemIndex(const QListViewItem &item) const { return item.indexHint; } - QListViewItem indexToListViewItem(const QModelIndex &index) const; - bool doBatchedItemLayout(const QListViewLayoutInfo &info, int max); - void clear(); - void setRowCount(int rowCount) { flowPositions.resize(rowCount); } - QVector<QModelIndex> intersectingSet(const QRect &area) const; - void dataChanged(const QModelIndex &, const QModelIndex &); - - int horizontalScrollToValue(int index, QListView::ScrollHint hint, - bool leftOf, bool rightOf,const QRect &area, const QRect &rect) const; - int verticalScrollToValue(int index, QListView::ScrollHint hint, - bool above, bool below, const QRect &area, const QRect &rect) const; - void scrollContentsBy(int dx, int dy, bool scrollElasticBand); - QRect mapToViewport(const QRect &rect) const; - int horizontalOffset() const; - int verticalOffset() const; - void updateHorizontalScrollBar(const QSize &step); - void updateVerticalScrollBar(const QSize &step); - -#ifndef QT_NO_DRAGANDDROP - void paintDragDrop(QPainter *painter); - - // The next two methods are to be used on LefToRight flow only. - // WARNING: Plenty of duplicated code from QAbstractItemView{,Private}. - QAbstractItemView::DropIndicatorPosition position(const QPoint &pos, const QRect &rect, const QModelIndex &idx) const; - void dragMoveEvent(QDragMoveEvent *e); - bool dropOn(QDropEvent *event, int *row, int *col, QModelIndex *index); -#endif - -private: - QPoint initStaticLayout(const QListViewLayoutInfo &info); - void doStaticLayout(const QListViewLayoutInfo &info); - int perItemScrollToValue(int index, int value, int height, - QAbstractItemView::ScrollHint hint, - Qt::Orientation orientation, bool wrap, int extent) const; - int perItemScrollingPageSteps(int length, int bounds, bool wrap) const; -}; - -class QIconModeViewBase : public QCommonListViewBase -{ -public: - QIconModeViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d), interSectingVector(0) {} - - QBspTree tree; - QVector<QListViewItem> items; - QBitArray moved; - - QVector<QModelIndex> draggedItems; // indices to the tree.itemVector - mutable QPoint draggedItemsPos; - - // used when laying out in batches - QVector<QModelIndex> *interSectingVector; //used from within intersectingSet - - //reimplementations - int itemIndex(const QListViewItem &item) const; - QListViewItem indexToListViewItem(const QModelIndex &index) const; - bool doBatchedItemLayout(const QListViewLayoutInfo &info, int max); - void clear(); - void setRowCount(int rowCount); - QVector<QModelIndex> intersectingSet(const QRect &area) const; - - void scrollContentsBy(int dx, int dy, bool scrollElasticBand); - void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); - void appendHiddenRow(int row); - void removeHiddenRow(int row); - void setPositionForIndex(const QPoint &position, const QModelIndex &index); - -#ifndef QT_NO_DRAGANDDROP - void paintDragDrop(QPainter *painter); - bool filterDragMoveEvent(QDragMoveEvent *); - bool filterDragLeaveEvent(QDragLeaveEvent *); - bool filterDropEvent(QDropEvent *e); - bool filterStartDrag(Qt::DropActions); -#endif - -private: - void initBspTree(const QSize &contents); - QPoint initDynamicLayout(const QListViewLayoutInfo &info); - void doDynamicLayout(const QListViewLayoutInfo &info); - static void addLeaf(QVector<int> &leaf, const QRect &area, - uint visited, QBspTree::Data data); - QRect itemsRect(const QVector<QModelIndex> &indexes) const; - QRect draggedItemsRect() const; - QPoint snapToGrid(const QPoint &pos) const; - void updateContentsSize(); - QPoint draggedItemsDelta() const; - void drawItems(QPainter *painter, const QVector<QModelIndex> &indexes) const; - void moveItem(int index, const QPoint &dest); - -}; - -class QListViewPrivate: public QAbstractItemViewPrivate -{ - Q_DECLARE_PUBLIC(QListView) -public: - QListViewPrivate(); - ~QListViewPrivate(); - - void clear(); - void prepareItemsLayout(); - - bool doItemsLayout(int num); - - inline QVector<QModelIndex> intersectingSet(const QRect &area, bool doLayout = true) const { - if (doLayout) executePostedLayout(); - QRect a = (q_func()->isRightToLeft() ? flipX(area.normalized()) : area.normalized()); - return commonListView->intersectingSet(a); - } - - inline void resetBatchStartRow() { commonListView->batchStartRow = 0; } - inline int batchStartRow() const { return commonListView->batchStartRow; } - inline QSize contentsSize() const { return commonListView->contentsSize; } - inline void setContentsSize(int w, int h) { commonListView->contentsSize = QSize(w, h); } - - inline int flipX(int x) const - { return qMax(viewport->width(), contentsSize().width()) - x; } - inline QPoint flipX(const QPoint &p) const - { return QPoint(flipX(p.x()), p.y()); } - inline QRect flipX(const QRect &r) const - { return QRect(flipX(r.x()) - r.width(), r.y(), r.width(), r.height()); } - inline QRect viewItemRect(const QListViewItem &item) const - { if (q_func()->isRightToLeft()) return flipX(item.rect()); return item.rect(); } - - QListViewItem indexToListViewItem(const QModelIndex &index) const; - inline QModelIndex listViewItemToIndex(const QListViewItem &item) const - { return model->index(commonListView->itemIndex(item), column, root); } - - QRect rectForIndex(const QModelIndex &index) const - { - if (!isIndexValid(index) || index.parent() != root || index.column() != column || isHidden(index.row())) - return QRect(); - executePostedLayout(); - return viewItemRect(indexToListViewItem(index)); - } - - void viewUpdateGeometries() { q_func()->updateGeometries(); } - - - QRect mapToViewport(const QRect &rect, bool extend = true) const; - - QModelIndex closestIndex(const QRect &target, const QVector<QModelIndex> &candidates) const; - QSize itemSize(const QStyleOptionViewItem &option, const QModelIndex &index) const; - - bool selectionAllowed(const QModelIndex &index) const - { if (viewMode == QListView::ListMode && !showElasticBand) return index.isValid(); return true; } - - int horizontalScrollToValue(const QModelIndex &index, const QRect &rect, QListView::ScrollHint hint) const; - int verticalScrollToValue(const QModelIndex &index, const QRect &rect, QListView::ScrollHint hint) const; - - QItemSelection selection(const QRect &rect) const; - void selectAll(QItemSelectionModel::SelectionFlags command); - -#ifndef QT_NO_DRAGANDDROP - virtual QAbstractItemView::DropIndicatorPosition position(const QPoint &pos, const QRect &rect, const QModelIndex &idx) const; - bool dropOn(QDropEvent *event, int *row, int *col, QModelIndex *index); -#endif - - inline void setGridSize(const QSize &size) { grid = size; } - inline QSize gridSize() const { return grid; } - inline void setWrapping(bool b) { wrap = b; } - inline bool isWrapping() const { return wrap; } - inline void setSpacing(int s) { space = s; } - inline int spacing() const { return space; } - inline void setSelectionRectVisible(bool visible) { showElasticBand = visible; } - inline bool isSelectionRectVisible() const { return showElasticBand; } - - inline QModelIndex modelIndex(int row) const { return model->index(row, column, root); } - inline bool isHidden(int row) const { - QModelIndex idx = model->index(row, 0, root); - return isPersistent(idx) && hiddenRows.contains(idx); - } - inline bool isHiddenOrDisabled(int row) const { return isHidden(row) || !isIndexEnabled(modelIndex(row)); } - - inline void removeCurrentAndDisabled(QVector<QModelIndex> *indexes, const QModelIndex ¤t) const { - QVector<QModelIndex>::iterator it = indexes->begin(); - while (it != indexes->end()) { - if (!isIndexEnabled(*it) || (*it) == current) - indexes->erase(it); - else - ++it; - } - } - - void scrollElasticBandBy(int dx, int dy); - - QItemViewPaintPairs draggablePaintPairs(const QModelIndexList &indexes, QRect *r) const; - - void emitIndexesMoved(const QModelIndexList &indexes) { emit q_func()->indexesMoved(indexes); } - - - QCommonListViewBase *commonListView; - - // ### FIXME: see if we can move the members into the dynamic/static classes - - bool wrap; - int space; - QSize grid; - - QListView::Flow flow; - QListView::Movement movement; - QListView::ResizeMode resizeMode; - QListView::LayoutMode layoutMode; - QListView::ViewMode viewMode; - - // the properties controlling the - // icon- or list-view modes - enum ModeProperties { - Wrap = 1, - Spacing = 2, - GridSize = 4, - Flow = 8, - Movement = 16, - ResizeMode = 32, - SelectionRectVisible = 64 - }; - - uint modeProperties : 8; - - QRect layoutBounds; - - // timers - QBasicTimer batchLayoutTimer; - - // used for hidden items - QSet<QPersistentModelIndex> hiddenRows; - - int column; - bool uniformItemSizes; - mutable QSize cachedItemSize; - int batchSize; - - QRect elasticBand; - bool showElasticBand; -}; - -// inline implementations - -inline int QCommonListViewBase::spacing() const { return dd->spacing(); } -inline bool QCommonListViewBase::isWrapping() const { return dd->isWrapping(); } -inline QSize QCommonListViewBase::gridSize() const { return dd->gridSize(); } -inline QListView::Flow QCommonListViewBase::flow() const { return dd->flow; } -inline QListView::Movement QCommonListViewBase::movement() const { return dd->movement; } - -inline QPoint QCommonListViewBase::offset() const { return dd->offset(); } -inline QPoint QCommonListViewBase::pressedPosition() const { return dd->pressedPosition; } -inline bool QCommonListViewBase::uniformItemSizes() const { return dd->uniformItemSizes; } -inline int QCommonListViewBase::column() const { return dd->column; } - -inline QScrollBar *QCommonListViewBase::verticalScrollBar() const { return qq->verticalScrollBar(); } -inline QScrollBar *QCommonListViewBase::horizontalScrollBar() const { return qq->horizontalScrollBar(); } -inline QListView::ScrollMode QCommonListViewBase::verticalScrollMode() const { return qq->verticalScrollMode(); } -inline QListView::ScrollMode QCommonListViewBase::horizontalScrollMode() const { return qq->horizontalScrollMode(); } - -inline QModelIndex QCommonListViewBase::modelIndex(int row) const - { return dd->model->index(row, dd->column, dd->root); } -inline int QCommonListViewBase::rowCount() const { return dd->model->rowCount(dd->root); } - -inline QStyleOptionViewItemV4 QCommonListViewBase::viewOptions() const { return dd->viewOptionsV4(); } -inline QWidget *QCommonListViewBase::viewport() const { return dd->viewport; } -inline QRect QCommonListViewBase::clipRect() const { return dd->clipRect(); } - -inline QSize QCommonListViewBase::cachedItemSize() const { return dd->cachedItemSize; } -inline QRect QCommonListViewBase::viewItemRect(const QListViewItem &item) const { return dd->viewItemRect(item); } -inline QSize QCommonListViewBase::itemSize(const QStyleOptionViewItemV2 &opt, const QModelIndex &idx) const - { return dd->itemSize(opt, idx); } - -inline QAbstractItemDelegate *QCommonListViewBase::delegate(const QModelIndex &idx) const - { return dd->delegateForIndex(idx); } - -inline bool QCommonListViewBase::isHidden(int row) const { return dd->isHidden(row); } -inline int QCommonListViewBase::hiddenCount() const { return dd->hiddenRows.count(); } - -inline bool QCommonListViewBase::isRightToLeft() const { return qq->isRightToLeft(); } - -QT_END_NAMESPACE - -#endif // QT_NO_LISTVIEW - -#endif // QLISTVIEW_P_H |