X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.hpp;h=6e98e4b083a3e2562835a1a111abb11284238e5b;hb=819e2e95555b2b3c2190f24a3cfa82250d1f34e5;hp=9ff4276b0dd6dc173400d171d811624198381c49;hpb=2acdb232d6bb452cfdfaea3ef5218fb4da592329;p=pulseview.git

diff --git a/pv/view/marginwidget.hpp b/pv/view/marginwidget.hpp
index 9ff4276..6e98e4b 100644
--- a/pv/view/marginwidget.hpp
+++ b/pv/view/marginwidget.hpp
@@ -21,6 +21,7 @@
 #ifndef PULSEVIEW_PV_MARGINWIDGET_H
 #define PULSEVIEW_PV_MARGINWIDGET_H
 
+#include <QPoint>
 #include <QWidget>
 
 namespace pv {
@@ -35,6 +36,13 @@ class MarginWidget : public QWidget
 public:
 	MarginWidget(pv::view::View &parent);
 
+	/**
+	 * The extended area that the margin widget would like to be sized to.
+	 * @remarks This area is the area specified by sizeHint, extended by
+	 * the area to overlap the viewport.
+	 */
+	virtual QSize extended_size_hint() const = 0;
+
 public Q_SLOTS:
 	virtual void clear_selection();
 
@@ -43,6 +51,9 @@ Q_SIGNALS:
 
 protected:
 	pv::view::View &view_;
+	QPoint mouse_point_;
+	QPoint mouse_down_point_;
+	bool dragging_;
 };
 
 } // namespace view