X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.hpp;h=308d9348d12a0341aa6a203cd1b214a8c74839cf;hp=b4f0eb72c45e84abc4703a5b3e46f8031aca7e0a;hb=40aca27ed83559f7f79873e353f64d2c36a18fce;hpb=f4433aa958fb9c85ce82ef5545d722625cb64f9e

diff --git a/pv/view/marginwidget.hpp b/pv/view/marginwidget.hpp
index b4f0eb72..308d9348 100644
--- a/pv/view/marginwidget.hpp
+++ b/pv/view/marginwidget.hpp
@@ -21,31 +21,97 @@
 #ifndef PULSEVIEW_PV_MARGINWIDGET_H
 #define PULSEVIEW_PV_MARGINWIDGET_H
 
+#include <memory>
+
 #include <QPoint>
-#include <QWidget>
+
+#include "viewwidget.hpp"
 
 namespace pv {
 namespace view {
 
-class View;
+class ViewItem;
 
-class MarginWidget : public QWidget
+class MarginWidget : public ViewWidget
 {
 	Q_OBJECT
 
 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;
+
+protected:
+	/**
+	 * Gets the items in the margin widget.
+	 */
+	virtual std::vector< std::shared_ptr<pv::view::ViewItem> > items() = 0;
+
+	/**
+	 * Gets the first view item which has a label that contains @c pt .
+	 * @param pt the point to search with.
+	 * @return the view item that has been found, or and empty
+	 *   @c shared_ptr if no item was found.
+	 */
+	virtual std::shared_ptr<pv::view::ViewItem> get_mouse_over_item(
+		const QPoint &pt) = 0;
+
+	/**
+	 * Shows the popup of a the specified @c ViewItem .
+	 * @param item The item to show the popup for.
+	 */
+	void show_popup(const std::shared_ptr<ViewItem> &item);
+
+	/**
+	 * Returns true if the selection of row items allows dragging.
+	 * @return Returns true if the drag is acceptable.
+	 */
+	virtual bool accept_drag() const = 0;
+
+	/**
+	 * Drag the dragging items by the delta offset.
+	 * @param delta the drag offset in pixels.
+	 */
+	virtual void drag_items(const QPoint &delta) = 0;
+
+	/**
+	 * Handles left mouse button press events.
+	 * @param event the mouse event that triggered this handler.
+	 */
+	void mouse_left_press_event(QMouseEvent *event);
+
+	/**
+	 * Handles left mouse button release events.
+	 * @param event the mouse event that triggered this handler.
+	 */
+	void mouse_left_release_event(QMouseEvent *event);
+
+protected:
+	void mousePressEvent(QMouseEvent * event);
+	void mouseReleaseEvent(QMouseEvent *event);
+	void mouseMoveEvent(QMouseEvent *event);
+
+	void leaveEvent(QEvent *event);
+
+	virtual void contextMenuEvent(QContextMenuEvent *event);
+
+	virtual void keyPressEvent(QKeyEvent *e);
+
 public Q_SLOTS:
-	virtual void clear_selection();
+	void clear_selection();
 
 Q_SIGNALS:
 	void selection_changed();
 
 protected:
-	pv::view::View &view_;
 	QPoint mouse_point_;
 	QPoint mouse_down_point_;
+	std::shared_ptr<ViewItem> mouse_down_item_;
 	bool dragging_;
 };