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-rw-r--r--depends/groupview/GroupView.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/depends/groupview/GroupView.h b/depends/groupview/GroupView.h
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+++ b/depends/groupview/GroupView.h
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+#pragma once
+
+#include <QListView>
+#include <QLineEdit>
+#include <QScrollBar>
+
+struct GroupViewRoles
+{
+ enum
+ {
+ GroupRole = Qt::UserRole,
+ ProgressValueRole,
+ ProgressMaximumRole
+ };
+};
+
+struct Group;
+
+class GroupView : public QAbstractItemView
+{
+ Q_OBJECT
+
+public:
+ GroupView(QWidget *parent = 0);
+ ~GroupView();
+
+ QRect geometryRect(const QModelIndex &index) const;
+ virtual QRect visualRect(const QModelIndex &index) const override;
+ QModelIndex indexAt(const QPoint &point) const;
+ void setSelection(const QRect &rect,
+ const QItemSelectionModel::SelectionFlags commands) override;
+
+ virtual int horizontalOffset() const override
+ {
+ return horizontalScrollBar()->value();
+ }
+
+ virtual int verticalOffset() const override
+ {
+ return verticalScrollBar()->value();
+ }
+
+ virtual void scrollContentsBy(int dx, int dy) override
+ {
+ scrollDirtyRegion(dx, dy);
+ viewport()->scroll(dx, dy);
+ }
+
+ /*
+ * TODO!
+ */
+ virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override
+ {
+ return;
+ }
+
+ virtual QModelIndex moveCursor(CursorAction cursorAction,
+ Qt::KeyboardModifiers modifiers) override;
+
+ virtual QRegion visualRegionForSelection(const QItemSelection &selection) const override;
+
+protected
+slots:
+ virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+ const QVector<int> &roles) override;
+ virtual void rowsInserted(const QModelIndex &parent, int start, int end) override;
+ virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) override;
+ virtual void updateGeometries() override;
+
+protected:
+ virtual bool isIndexHidden(const QModelIndex &index) const override;
+ void mousePressEvent(QMouseEvent *event) override;
+ void mouseMoveEvent(QMouseEvent *event) override;
+ void mouseReleaseEvent(QMouseEvent *event) override;
+ void mouseDoubleClickEvent(QMouseEvent *event) override;
+ void paintEvent(QPaintEvent *event) override;
+ void resizeEvent(QResizeEvent *event) override;
+
+ void dragEnterEvent(QDragEnterEvent *event) override;
+ void dragMoveEvent(QDragMoveEvent *event) override;
+ void dragLeaveEvent(QDragLeaveEvent *event) override;
+ void dropEvent(QDropEvent *event) override;
+
+ void startDrag(Qt::DropActions supportedActions) override;
+
+private:
+ friend struct Group;
+
+ QList<Group *> m_groups;
+
+ int m_leftMargin;
+ int m_rightMargin;
+ int m_bottomMargin;
+ int m_categoryMargin;
+
+ // bool m_updatesDisabled;
+
+ Group *category(const QModelIndex &index) const;
+ Group *category(const QString &cat) const;
+ Group *categoryAt(const QPoint &pos) const;
+
+ int itemsPerRow() const;
+ int contentWidth() const;
+
+private:
+ int itemWidth() const;
+ int categoryRowHeight(const QModelIndex &index) const;
+
+ /*QLineEdit *m_categoryEditor;
+ Category *m_editedCategory;
+ void startCategoryEditor(Category *category);
+
+private slots:
+ void endCategoryEditor();*/
+
+private: /* variables */
+ QPoint m_pressedPosition;
+ QPersistentModelIndex m_pressedIndex;
+ bool m_pressedAlreadySelected;
+ Group *m_pressedCategory;
+ QItemSelectionModel::SelectionFlag m_ctrlDragSelectionFlag;
+ QPoint m_lastDragPosition;
+ int m_spacing = 5;
+
+private: /* methods */
+ QPair<int, int> categoryInternalPosition(const QModelIndex &index) const;
+ int categoryInternalRowTop(const QModelIndex &index) const;
+ int itemHeightForCategoryRow(const Group *category, const int internalRow) const;
+
+ QPixmap renderToPixmap(const QModelIndexList &indices, QRect *r) const;
+ QList<QPair<QRect, QModelIndex>> draggablePaintPairs(const QModelIndexList &indices,
+ QRect *r) const;
+
+ bool isDragEventAccepted(QDropEvent *event);
+
+ QPair<Group *, int> rowDropPos(const QPoint &pos);
+
+ QPoint offset() const;
+};