X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fsignal.hpp;h=714b44f6d9d27fcfc4881dc9e4850138f575b0a4;hp=dd3af0b3abc704d339859ecf4449eb23734e04da;hb=214470fc17e73bbf4664f4c1678a7dd30c905bf2;hpb=2acdb232d6bb452cfdfaea3ef5218fb4da592329

diff --git a/pv/view/signal.hpp b/pv/view/signal.hpp
index dd3af0b3..714b44f6 100644
--- a/pv/view/signal.hpp
+++ b/pv/view/signal.hpp
@@ -18,8 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_PV_VIEW_SIGNAL_H
-#define PULSEVIEW_PV_VIEW_SIGNAL_H
+#ifndef PULSEVIEW_PV_VIEW_SIGNAL_HPP
+#define PULSEVIEW_PV_VIEW_SIGNAL_HPP
 
 #include <memory>
 
@@ -29,6 +29,7 @@
 #include <stdint.h>
 
 #include "trace.hpp"
+#include "viewitemowner.hpp"
 
 namespace sigrok {
 	class Channel;
@@ -36,7 +37,7 @@ namespace sigrok {
 
 namespace pv {
 
-class SigSession;
+class Session;
 
 namespace data {
 class SignalData;
@@ -44,12 +45,12 @@ class SignalData;
 
 namespace view {
 
-class Signal : public Trace
+class Signal : public Trace, public ViewItemOwner
 {
 	Q_OBJECT
 
 protected:
-	Signal(pv::SigSession &session,
+	Signal(pv::Session &session,
 		std::shared_ptr<sigrok::Channel> channel);
 
 public:
@@ -69,19 +70,42 @@ public:
 
 	std::shared_ptr<sigrok::Channel> channel() const;
 
+	/**
+	 * Returns a list of row items owned by this object.
+	 */
+	const item_list& child_items() const;
+
 	virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
 
 	QMenu* create_context_menu(QWidget *parent);
 
 	void delete_pressed();
 
+	/**
+	 * Returns the offset to show the drag handle.
+	 */
+	virtual int scale_handle_offset() const = 0;
+
+	/**
+	 * Handles the scale handle being dragged to an offset.
+	 * @param offset the offset the scale handle was dragged to.
+	 */
+	virtual void scale_handle_dragged(int offset) = 0;
+
+	/**
+	 * Handles the scale handle being being released.
+	 */
+	virtual void scale_handle_released() {};
+
 private Q_SLOTS:
 	void on_disable();
 
 protected:
-	pv::SigSession &session_;
+	pv::Session &session_;
 	std::shared_ptr<sigrok::Channel> channel_;
 
+	const item_list items_;
+
 	QComboBox *name_widget_;
 	bool updating_name_widget_;
 };
@@ -89,4 +113,4 @@ protected:
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEW_SIGNAL_H
+#endif // PULSEVIEW_PV_VIEW_SIGNAL_HPP