X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.hpp;h=2178003f00969584c309d7832c6a09b2dab756c0;hb=b434cbaf3208c2037fd5f86001b367b46ba926ba;hp=1194696548e4cd57def831bb05e59efb69daeabf;hpb=bb4a0e8e0b337988264e43a368b6ce5950d2d6cd;p=pulseview.git

diff --git a/pv/view/marginwidget.hpp b/pv/view/marginwidget.hpp
index 1194696..2178003 100644
--- a/pv/view/marginwidget.hpp
+++ b/pv/view/marginwidget.hpp
@@ -24,15 +24,15 @@
 #include <memory>
 
 #include <QPoint>
-#include <QWidget>
+
+#include "viewwidget.hpp"
 
 namespace pv {
 namespace view {
 
-class View;
 class ViewItem;
 
-class MarginWidget : public QWidget
+class MarginWidget : public ViewWidget
 {
 	Q_OBJECT
 
@@ -67,14 +67,28 @@ protected:
 	 */
 	void show_popup(const std::shared_ptr<ViewItem> &item);
 
+	/**
+	 * Drag the dragging items by the delta offset.
+	 * @param delta the drag offset in pixels.
+	 */
+	virtual void drag_items(const QPoint &delta) = 0;
+
 	/**
 	 * Handles left mouse button press events.
 	 * @param event the mouse event that triggered this handler.
 	 */
 	void mouse_left_press_event(QMouseEvent *event);
 
+	/**
+	 * Handles left mouse button release events.
+	 * @param event the mouse event that triggered this handler.
+	 */
+	void mouse_left_release_event(QMouseEvent *event);
+
 protected:
 	void mousePressEvent(QMouseEvent * event);
+	void mouseReleaseEvent(QMouseEvent *event);
+	void mouseMoveEvent(QMouseEvent *event);
 
 	void leaveEvent(QEvent *event);
 
@@ -89,7 +103,6 @@ Q_SIGNALS:
 	void selection_changed();
 
 protected:
-	pv::view::View &view_;
 	QPoint mouse_point_;
 	QPoint mouse_down_point_;
 	std::shared_ptr<ViewItem> mouse_down_item_;