X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewwidget.hpp;h=b6b1a5b48ec99a8166ba426c03f8425d43437578;hp=fc7247627a8783f1a55bf81dc31526da151c8032;hb=c9743553584975b338890c16ef22943d7beaacdd;hpb=e9e4e5e7ea46132262fbd53f708dafc039b3b24f

diff --git a/pv/view/viewwidget.hpp b/pv/view/viewwidget.hpp
index fc724762..b6b1a5b4 100644
--- a/pv/view/viewwidget.hpp
+++ b/pv/view/viewwidget.hpp
@@ -25,6 +25,8 @@
 
 #include <QWidget>
 
+class QTouchEvent;
+
 namespace pv {
 namespace view {
 
@@ -52,6 +54,11 @@ protected:
 	 */
 	bool accept_drag() const;
 
+	/**
+	 * Returns true if the mouse button is down.
+	 */
+	bool mouse_down() const;
+
 	/**
 	 * Drag the dragging items by the delta offset.
 	 * @param delta the drag offset in pixels.
@@ -84,7 +91,15 @@ protected:
 	 */
 	void mouse_left_release_event(QMouseEvent *event);
 
+	/**
+	 * Handles touch begin update and end events.
+	 * @param e the event that triggered this handler.
+	 */
+	virtual bool touch_event(QTouchEvent *e);
+
 protected:
+	bool event(QEvent *event);
+
 	void mousePressEvent(QMouseEvent * event);
 	void mouseReleaseEvent(QMouseEvent *event);
 	void mouseMoveEvent(QMouseEvent *event);
@@ -102,7 +117,7 @@ protected:
 	QPoint mouse_point_;
 	QPoint mouse_down_point_;
 	std::shared_ptr<ViewItem> mouse_down_item_;
-	bool dragging_;
+	bool item_dragging_;
 };
 
 } // namespace view