X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewwidget.hpp;h=b6b1a5b48ec99a8166ba426c03f8425d43437578;hp=1d50832b030c7856a9d71ec47a7c48db42fbc579;hb=c9743553584975b338890c16ef22943d7beaacdd;hpb=803cdac41caf71af9298e3f612468aa522a107d5

diff --git a/pv/view/viewwidget.hpp b/pv/view/viewwidget.hpp
index 1d50832b..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);