X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fheader.hpp;h=f12d23ca5852f40a1707301e38b2d4de22910fec;hp=662e19f2ed5027d773d55a1badc9ff7a81a0c48e;hb=2f7982367e8382e05c862de7afc71075ded5f606;hpb=2acdb232d6bb452cfdfaea3ef5218fb4da592329

diff --git a/pv/view/header.hpp b/pv/view/header.hpp
index 662e19f2..f12d23ca 100644
--- a/pv/view/header.hpp
+++ b/pv/view/header.hpp
@@ -32,6 +32,7 @@ namespace view {
 
 class RowItem;
 class View;
+class ViewItem;
 
 class Header : public MarginWidget
 {
@@ -45,6 +46,13 @@ public:
 
 	QSize sizeHint() const;
 
+	/**
+	 * The extended area that the header widget would like to be sized to.
+	 * @remarks This area is the area specified by sizeHint, extended by
+	 * the area to overlap the viewport.
+	 */
+	QSize extended_size_hint() const;
+
 	/**
 	 * The horizontal offset, relative to the left edge of the widget,
 	 * where the arrows of the trace labels end.
@@ -52,27 +60,36 @@ public:
 	static const int BaselineOffset;
 
 private:
-	std::shared_ptr<pv::view::RowItem> get_mouse_over_row_item(
+	/**
+	 * Gets the row items.
+	 */
+	std::vector< std::shared_ptr<pv::view::ViewItem> > items();
+
+	/**
+	 * Gets the first view item which has a label that contains @c pt .
+	 * @param pt the point to search with.
+	 * @return the view item that has been found, or and empty
+	 *   @c shared_ptr if no item was found.
+	 */
+	std::shared_ptr<pv::view::ViewItem> get_mouse_over_item(
 		const QPoint &pt);
 
-	void clear_selection();
+	/**
+	 * Returns true if the selection of row items allows dragging.
+	 * @return Returns true if the drag is acceptable.
+	 */
+	bool accept_drag() const;
 
-	void show_popup(const std::shared_ptr<RowItem> &item);
+	/**
+	 * Drag the dragging items by the delta offset.
+	 * @param delta the drag offset in pixels.
+	 */
+	void drag_items(const QPoint &delta);
 
 private:
 	void paintEvent(QPaintEvent *event);
 
 private:
-	void mouseLeftPressEvent(QMouseEvent *event);
-	void mousePressEvent(QMouseEvent * event);
-
-	void mouseLeftReleaseEvent(QMouseEvent *event);
-	void mouseReleaseEvent(QMouseEvent *event);
-
-	void mouseMoveEvent(QMouseEvent *event);
-
-	void leaveEvent(QEvent *event);
-
 	void contextMenuEvent(QContextMenuEvent *event);
 
 	void keyPressEvent(QKeyEvent *e);
@@ -86,12 +103,6 @@ private Q_SLOTS:
 
 Q_SIGNALS:
 	void signals_moved();
-
-private:
-	QPoint mouse_point_;
-	QPoint mouse_down_point_;
-	std::shared_ptr<RowItem> mouse_down_item_;
-	bool dragging_;
 };
 
 } // namespace view