--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file widget_keyframe_list.h
+** \brief A custom widget to manage keyframes in the timeline.
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2009 Carlos López
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_STUDIO_WIDGET_KEYFRAME_LIST_H
+#define __SYNFIG_STUDIO_WIDGET_KEYFRAME_LIST_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <gtkmm/drawingarea.h>
+#include <gtkmm/adjustment.h>
+#include <gtkmm/tooltips.h>
+#include <synfig/keyframe.h>
+#include <sigc++/connection.h>
+#include <synfigapp/canvasinterface.h>
+
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace studio {
+
+class Widget_Keyframe_List : public Gtk::DrawingArea
+{
+ //! Tooltips class. It is deprecated since gtkmm 2.12
+ //! replace with Tooltip class or use the own tooltip widget's members
+ Gtk::Tooltips tooltips;
+
+ //! The canvas interface being watched
+ etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_;
+
+ //! Time adjustment window
+ Gtk::Adjustment adj_default;
+ Gtk::Adjustment *adj_timescale;
+
+ //!The list of keyframes to be drawn on the widget and moved with mouse
+ synfig::KeyframeList default_kf_list_;
+ mutable synfig::KeyframeList* kf_list_;
+
+ //! The frames per second of the canvas
+ float fps;
+
+ //! Time radius to click a keyframe
+ synfig::Time time_ratio;
+
+ //!True if it is editable. Keyframes can be moved.
+ bool editable_;
+
+ //!True if a keyframe is being dragged.
+ bool dragging_;
+
+ //!True if a keyframe has been moved
+ bool changed_;
+
+ //!Holds the selected keyframe of the keyframe list
+ synfig::Keyframe selected_kf;
+ synfig::Keyframe selected_none;
+ bool selected_;
+
+ //!The time of the selected keyframe
+ synfig::Time selected_kf_time;
+
+ //!The time of the selected keyframe during draging
+ synfig::Time dragging_kf_time;
+
+ //!Connectors for handling the signals of the time adjustment
+ sigc::connection time_value_change;
+ sigc::connection time_other_change;
+
+public:
+
+ //!Default constructor
+ Widget_Keyframe_List();
+
+ //!Destructror
+ ~Widget_Keyframe_List();
+
+ //!Loads a new keyframe list on the widget.
+ void set_kf_list(synfig::KeyframeList* x);
+
+ //!Member for private data.
+ synfig::KeyframeList* get_kf_list()const { return kf_list_; }
+
+ //!Member for private data
+ void set_editable(bool x=true) { editable_=x; }
+
+ //!Member for private data
+ bool get_editable()const { return editable_; }
+
+
+ //!Store the selected keyframe value
+ void set_selected_keyframe(const synfig::Keyframe &x);
+
+ //!Returns the selected keyframe
+ const synfig::Keyframe& get_selected_keyframe() { return selected_kf; }
+
+ //! Set the time adjustment and proper connects its change signals
+ void set_time_adjustment(Gtk::Adjustment *x);
+
+ //! Set the fps
+ void set_fps(float x);
+
+ //! Set the canvas interface
+ void set_canvas_interface(etl::loose_handle<synfigapp::CanvasInterface> h);
+
+ //! Performs the keyframe movement. Returns true if it was sucessful
+ //! @return true: if success otherwise false
+ //! |delta=false: permorm normal move. true: perform delta movement
+ bool perform_move_kf(bool delta);
+
+
+
+/* ======================= EVENTS HANDLERS ===========================*/
+ //!Redraw event. Should draw all the keyframes + the selected + the dragged
+ bool redraw(GdkEventExpose*bleh=NULL);
+
+ //!Mouse event handler.
+ bool on_event(GdkEvent *event);
+}; // END of class Keyframe_List
+
+}; // END of namespace studio
+
+
+/* === E N D =============================================================== */
+
+#endif