summaryrefslogtreecommitdiffstats
path: root/src/gui/itemviews/qlistview_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/itemviews/qlistview_p.h')
-rw-r--r--src/gui/itemviews/qlistview_p.h209
1 files changed, 120 insertions, 89 deletions
diff --git a/src/gui/itemviews/qlistview_p.h b/src/gui/itemviews/qlistview_p.h
index 6c8d324..db9eb59 100644
--- a/src/gui/itemviews/qlistview_p.h
+++ b/src/gui/itemviews/qlistview_p.h
@@ -67,8 +67,8 @@ QT_BEGIN_NAMESPACE
class QListViewItem
{
friend class QListViewPrivate;
- friend class QStaticListViewBase;
- friend class QDynamicListViewBase;
+ friend class QListModeViewBase;
+ friend class QIconModeViewBase;
public:
inline QListViewItem()
: x(-1), y(-1), w(0), h(0), indexHint(-1), visited(0xffff) {}
@@ -120,8 +120,42 @@ class QListViewPrivate;
class QCommonListViewBase
{
public:
- inline QCommonListViewBase(QListView *q, QListViewPrivate *d) : dd(d), qq(q) {}
-
+ 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 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 dataChanged(const QModelIndex &, const QModelIndex &) { }
+ 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;
@@ -133,8 +167,8 @@ public:
inline bool uniformItemSizes() const;
inline int column() const;
- inline int verticalScrollBarValue() const;
- inline int horizontalScrollBarValue() const;
+ inline QScrollBar *verticalScrollBar() const;
+ inline QScrollBar *horizontalScrollBar() const;
inline QListView::ScrollMode verticalScrollMode() const;
inline QListView::ScrollMode horizontalScrollMode() const;
@@ -157,110 +191,107 @@ public:
QListViewPrivate *dd;
QListView *qq;
+ QSize contentsSize;
+ int batchStartRow;
+ int batchSavedDeltaSeg;
};
-// ### rename to QListModeViewBase
-class QStaticListViewBase : public QCommonListViewBase
+class QListModeViewBase : public QCommonListViewBase
{
- friend class QListViewPrivate;
public:
- QStaticListViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d),
- batchStartRow(0), batchSavedDeltaSeg(0), batchSavedPosition(0) {}
+ QListModeViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d) {}
QVector<int> flowPositions;
QVector<int> segmentPositions;
QVector<int> segmentStartRows;
QVector<int> segmentExtents;
- QSize contentsSize;
-
// used when laying out in batches
- int batchStartRow;
- int batchSavedDeltaSeg;
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;
+
+ 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);
+#endif
+private:
QPoint initStaticLayout(const QListViewLayoutInfo &info);
void doStaticLayout(const QListViewLayoutInfo &info);
- QVector<QModelIndex> intersectingStaticSet(const QRect &area) const;
-
- int itemIndex(const QListViewItem &item) const;
-
- int perItemScrollingPageSteps(int length, int bounds, bool wrap) const;
-
int perItemScrollToValue(int index, int value, int height,
QAbstractItemView::ScrollHint hint,
Qt::Orientation orientation, bool wrap, int extent) const;
-
- QRect mapToViewport(const QRect &rect) const;
-
- QListViewItem indexToListViewItem(const QModelIndex &index) const;
-
- void scrollContentsBy(int &dx, int &dy);
-
- int verticalPerItemValue(int itemIndex, int verticalValue, int areaHeight,
- bool above, bool below, bool wrap, QListView::ScrollHint hint, int itemHeight) const;
- int horizontalPerItemValue(int itemIndex, int horizontalValue, int areaWidth,
- bool leftOf, bool rightOf, bool wrap, QListView::ScrollHint hint, int itemWidth) const;
-
- void clear();
+ int perItemScrollingPageSteps(int length, int bounds, bool wrap) const;
};
-// ### rename to QIconModeViewBase
-class QDynamicListViewBase : public QCommonListViewBase
+class QIconModeViewBase : public QCommonListViewBase
{
- friend class QListViewPrivate;
public:
- QDynamicListViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d),
- batchStartRow(0), batchSavedDeltaSeg(0), interSectingVector(0) {}
+ QIconModeViewBase(QListView *q, QListViewPrivate *d) : QCommonListViewBase(q, d), interSectingVector(0) {}
QBspTree tree;
QVector<QListViewItem> items;
QBitArray moved;
- QSize contentsSize;
-
QVector<QModelIndex> draggedItems; // indices to the tree.itemVector
mutable QPoint draggedItemsPos;
// used when laying out in batches
- int batchStartRow;
- int batchSavedDeltaSeg;
- QVector<QModelIndex> *interSectingVector; //used from within intersectingDynamicSet
+ QVector<QModelIndex> *interSectingVector; //used from within intersectingSet
- void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+ //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);
- QVector<QModelIndex> intersectingDynamicSet(const QRect &area) const;
-
static void addLeaf(QVector<int> &leaf, const QRect &area,
uint visited, QBspTree::Data data);
-
- void insertItem(int index);
- void removeItem(int index);
- void moveItem(int index, const QPoint &dest);
-
- int itemIndex(const QListViewItem &item) const;
-
- void createItems(int to);
- void drawItems(QPainter *painter, const QVector<QModelIndex> &indexes) const;
QRect itemsRect(const QVector<QModelIndex> &indexes) const;
-
- QPoint draggedItemsDelta() const;
QRect draggedItemsRect() const;
-
QPoint snapToGrid(const QPoint &pos) const;
-
- void scrollElasticBandBy(int dx, int dy);
-
- QListViewItem indexToListViewItem(const QModelIndex &index) const;
-
- void clear();
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
@@ -278,23 +309,13 @@ public:
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 (viewMode == QListView::ListMode) ? staticListView->intersectingStaticSet(a)
- : dynamicListView->intersectingDynamicSet(a);
+ return commonListView->intersectingSet(a);
}
- // ### FIXME:
- inline void resetBatchStartRow()
- { if (viewMode == QListView::ListMode) staticListView->batchStartRow = 0;
- else dynamicListView->batchStartRow = 0; }
- inline int batchStartRow() const
- { return (viewMode == QListView::ListMode
- ? staticListView->batchStartRow : dynamicListView->batchStartRow); }
- inline QSize contentsSize() const
- { return (viewMode == QListView::ListMode
- ? staticListView->contentsSize : dynamicListView->contentsSize); }
- inline void setContentsSize(int w, int h)
- { if (viewMode == QListView::ListMode) staticListView->contentsSize = QSize(w, h);
- else dynamicListView->contentsSize = QSize(w, h); }
+ 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; }
@@ -305,12 +326,22 @@ public:
inline QRect viewItemRect(const QListViewItem &item) const
{ if (q_func()->isRightToLeft()) return flipX(item.rect()); return item.rect(); }
- int itemIndex(const QListViewItem &item) const;
QListViewItem indexToListViewItem(const QModelIndex &index) const;
inline QModelIndex listViewItemToIndex(const QListViewItem &item) const
- { return model->index(itemIndex(item), column, root); }
+ { 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 greedy = false) const;
+
+ 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;
@@ -351,10 +382,10 @@ public:
QItemViewPaintPairs draggablePaintPairs(const QModelIndexList &indexes, QRect *r) const;
- union {
- QDynamicListViewBase *dynamicListView;
- QStaticListViewBase *staticListView;
- };
+ 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
@@ -412,8 +443,8 @@ inline QPoint QCommonListViewBase::pressedPosition() const { return dd->pressedP
inline bool QCommonListViewBase::uniformItemSizes() const { return dd->uniformItemSizes; }
inline int QCommonListViewBase::column() const { return dd->column; }
-inline int QCommonListViewBase::verticalScrollBarValue() const { return qq->verticalScrollBar()->value(); }
-inline int QCommonListViewBase::horizontalScrollBarValue() const { return qq->horizontalScrollBar()->value(); }
+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(); }
generated by cgit v0.12 at 2024-12-29 05:24:41 (GMT)