diff options
Diffstat (limited to 'CategorizedView.h')
| -rw-r--r-- | CategorizedView.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/CategorizedView.h b/CategorizedView.h index 1e918496..0756629a 100644 --- a/CategorizedView.h +++ b/CategorizedView.h @@ -3,6 +3,7 @@ #include <QListView> #include <QLineEdit> +#include <QCache> class CategorizedView : public QListView { @@ -18,6 +19,8 @@ public: }; virtual QRect visualRect(const QModelIndex &index) const; + QModelIndex indexAt(const QPoint &point) const; + void setSelection(const QRect &rect, const QItemSelectionModel::SelectionFlags commands) override; protected slots: void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles); @@ -39,6 +42,8 @@ protected: void dragLeaveEvent(QDragLeaveEvent *event) override; void dropEvent(QDropEvent *event) override; + void startDrag(Qt::DropActions supportedActions) override; + private: struct Category { @@ -59,6 +64,8 @@ private: friend struct Category; QList<Category *> m_categories; + mutable QCache<const Category *, QList<QModelIndex> > m_cachedCategoryToIndexMapping; + mutable QCache<const QModelIndex, QRect> m_cachedVisualRects; int m_leftMargin; int m_rightMargin; @@ -69,8 +76,11 @@ private: Category *category(const QModelIndex &index) const; Category *category(const QString &cat) const; + Category *categoryAt(const QPoint &pos) const; int numItemsForCategory(const Category *category) const; QList<QModelIndex> itemsForCategory(const Category *category) const; + QModelIndex firstItemForCategory(const Category *category) const; + QModelIndex lastItemForCategory(const Category *category) const; int categoryTop(const Category *category) const; @@ -91,6 +101,21 @@ private: private slots: void endCategoryEditor();*/ + +private: + QPoint m_pressedPosition; + QPersistentModelIndex m_pressedIndex; + bool m_pressedAlreadySelected; + Category *m_pressedCategory; + QItemSelectionModel::SelectionFlag m_ctrlDragSelectionFlag; + QPoint m_lastDragPosition; + + QPixmap renderToPixmap(const QModelIndexList &indices, QRect *r) const; + QList<QPair<QRect, QModelIndex> > draggablePaintPairs(const QModelIndexList &indices, QRect *r) const; + + bool isDragEventAccepted(QDropEvent *event); + + QPair<Category *, int> rowDropPos(const QPoint &pos); }; #endif // WIDGET_H |