Session: Fix issue #67 by improving error handling

[pulseview.git] / pv / views / trace / viewwidget.hpp

diff --git a/pv/views/trace/viewwidget.hpp b/pv/views/trace/viewwidget.hpp
index 0e012560859e7aa939fe746d1ebe55660d751add..ef3cfa2fc303d9692d84e596d486191888cda143 100644 (file)
--- a/pv/views/trace/viewwidget.hpp
+++ b/pv/views/trace/viewwidget.hpp
@@ -17,8 +17,8 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef PULSEVIEW_PV_VIEWWIDGET_HPP
-#define PULSEVIEW_PV_VIEWWIDGET_HPP
+#ifndef PULSEVIEW_PV_VIEWS_TRACE_VIEWWIDGET_HPP
+#define PULSEVIEW_PV_VIEWS_TRACE_VIEWWIDGET_HPP
 
 #include <memory>
 
@@ -133,6 +133,9 @@ protected:
        void mouseReleaseEvent(QMouseEvent *event);
        void mouseMoveEvent(QMouseEvent *event);
 
+       void keyPressEvent(QKeyEvent *event);
+       void keyReleaseEvent(QKeyEvent *event);
+
        void leaveEvent(QEvent *event);
 
 public Q_SLOTS:
@@ -147,6 +150,10 @@ protected:
        QPoint mouse_down_point_;
        pv::util::Timestamp mouse_down_offset_;
        shared_ptr<ViewItem> mouse_down_item_;
+
+       /// Keyboard modifiers that were active when mouse was last moved or clicked
+       Qt::KeyboardModifiers mouse_modifiers_;
+
        bool item_dragging_;
 };
 
@@ -154,4 +161,4 @@ protected:
 } // namespace views
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEWWIDGET_HPP
+#endif // PULSEVIEW_PV_VIEWS_TRACE_VIEWWIDGET_HPP