From: Joel Holdsworth <redacted>
Date: Sun, 28 Dec 2014 16:31:07 +0000 (+0000)
Subject: ViewWidget: Added mouse_down
X-Git-Tag: pulseview-0.3.0~299
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=1f1edc092680e9182be07a760ad03d00b8c5ca06;p=pulseview.git

ViewWidget: Added mouse_down
---

diff --git a/pv/view/viewwidget.cpp b/pv/view/viewwidget.cpp
index 57053298..e2b2d172 100644
--- a/pv/view/viewwidget.cpp
+++ b/pv/view/viewwidget.cpp
@@ -86,6 +86,12 @@ bool ViewWidget::accept_drag() const
 	return false;
 }
 
+bool ViewWidget::mouse_down() const
+{
+	return mouse_down_point_.x() != INT_MIN &&
+		mouse_down_point_.y() != INT_MIN;
+}
+
 void ViewWidget::drag_items(const QPoint &delta)
 {
 	// Drag the row items
@@ -191,6 +197,7 @@ void ViewWidget::mouseReleaseEvent(QMouseEvent *event)
 	if (event->button() & Qt::LeftButton)
 		mouse_left_release_event(event);
 
+	mouse_down_point_ = QPoint(INT_MIN, INT_MIN);
 	mouse_down_item_ = nullptr;
 }
 
diff --git a/pv/view/viewwidget.hpp b/pv/view/viewwidget.hpp
index 1d50832b..65434f65 100644
--- a/pv/view/viewwidget.hpp
+++ b/pv/view/viewwidget.hpp
@@ -52,6 +52,11 @@ 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.