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/*
Copyright (C) 2009 Paul Davis
This program 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 program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __gtk_ardour_editor_summary_h__
#define __gtk_ardour_editor_summary_h__
#include "cairo_widget.h"
#include "editor_component.h"
namespace ARDOUR {
class Session;
}
class Editor;
/** Class to provide a visual summary of the contents of an editor window; represents
* the whole session as a set of lines, one per region view.
*/
class EditorSummary : public CairoWidget, public EditorComponent, public ARDOUR::SessionHandlePtr
{
public:
EditorSummary (Editor *);
void set_session (ARDOUR::Session *);
void set_overlays_dirty ();
private:
enum Position {
LEFT,
LEFT_TOP,
TOP,
RIGHT_TOP,
RIGHT,
RIGHT_BOTTOM,
BOTTOM,
LEFT_BOTTOM,
INSIDE,
BELOW_OR_ABOVE,
TO_LEFT_OR_RIGHT,
OTHERWISE_OUTSIDE
};
bool on_expose_event (GdkEventExpose *);
void on_size_request (Gtk::Requisition *);
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton *);
bool on_motion_notify_event (GdkEventMotion *);
bool on_scroll_event (GdkEventScroll *);
void centre_on_click (GdkEventButton *);
void render (cairo_t *);
void render_region (RegionView*, cairo_t*, double) const;
void get_editor (std::pair<double, double> *, std::pair<double, double> *) const;
void set_editor (std::pair<double, double> const &, double);
void set_editor (std::pair<double, double> const &, std::pair<double, double> const &);
void set_editor_x (std::pair<double, double> const &);
void set_editor_y (double);
void set_editor_y (std::pair<double, double> const &);
void playhead_position_changed (framepos_t);
double summary_y_to_editor (double) const;
double editor_y_to_summary (double) const;
Position get_position (double, double) const;
void set_cursor (Position);
framepos_t _start; ///< start frame of the overview
framepos_t _end; ///< end frame of the overview
/** fraction of the session length by which the overview size should extend past the start and end markers */
double _overhang_fraction;
double _x_scale; ///< pixels per frame for the x axis of the pixmap
double _track_height;
double _last_playhead;
std::pair<double, double> _start_editor_x;
std::pair<double, double> _start_editor_y;
double _start_mouse_x;
double _start_mouse_y;
Position _start_position;
bool _move_dragging;
bool _moved;
std::pair<double, double> _view_rectangle_x;
std::pair<double, double> _view_rectangle_y;
bool _zoom_dragging;
Position _zoom_position;
PBD::ScopedConnectionList position_connection;
PBD::ScopedConnectionList region_property_connection;
};
#endif
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