Fix inconsistent declaration parameter names.

[pulseview.git] / pv / view / viewwidget.hpp

diff --git a/pv/view/viewwidget.hpp b/pv/view/viewwidget.hpp
index 1d50832b030c7856a9d71ec47a7c48db42fbc579..7051c66608792bb1304cdeb03193dda3380dca76 100644 (file)
--- a/pv/view/viewwidget.hpp
+++ b/pv/view/viewwidget.hpp
@@ -18,13 +18,15 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_PV_VIEWWIDGET_H
-#define PULSEVIEW_PV_VIEWWIDGET_H
+#ifndef PULSEVIEW_PV_VIEWWIDGET_HPP
+#define PULSEVIEW_PV_VIEWWIDGET_HPP
 
 #include <memory>
 
 #include <QWidget>
 
+class QTouchEvent;
+
 namespace pv {
 namespace view {
 
@@ -38,6 +40,15 @@ class ViewWidget : public QWidget
 protected:
        ViewWidget(View &parent);
 
+       /**
+        * Indicates when a view item is being hovered over.
+        * @param item The item that is being hovered over, or @c nullptr
+        * if no view item is being hovered over.
+        * @remarks the default implementation does nothing.
+        */
+       virtual void item_hover(
+               const std::shared_ptr<pv::view::ViewItem> &item);
+
        /**
         * Indicates the event an a view item has been clicked.
         * @param item the view item that has been clicked.
@@ -52,12 +63,34 @@ 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.
         */
        void drag_items(const QPoint &delta);
 
+       /**
+        * Sets this item into the dragged state.
+        */
+       virtual void drag();
+
+       /**
+        * Drag the background by the delta offset.
+        * @param delta the drag offset in pixels.
+        * @remarks The default implementation does nothing.
+        */
+       virtual void drag_by(const QPoint &delta);
+
+       /**
+        * Sets this item into the un-dragged state.
+        */
+       virtual void drag_release();
+
        /**
         * Gets the items in the view widget.
         */
@@ -84,10 +117,18 @@ 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);
+       void mouseMoveEvent(QMouseEvent *e);
 
        void leaveEvent(QEvent *event);
 
@@ -108,4 +149,4 @@ protected:
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEWWIDGET_H
+#endif // PULSEVIEW_PV_VIEWWIDGET_HPP