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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 <gtkmm/eventbox.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 Gtk::EventBox
{
public:
EditorSummary (Editor *);
~EditorSummary ();
void set_session (ARDOUR::Session *);
void set_dirty ();
void set_bounds_dirty ();
private:
void centre_on_click (GdkEventButton *);
bool on_expose_event (GdkEventExpose *);
void on_size_request (Gtk::Requisition *);
void on_size_allocate (Gtk::Allocation &);
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton *);
bool on_motion_notify_event (GdkEventMotion *);
bool on_scroll_event (GdkEventScroll *);
void render (cairo_t *);
GdkPixmap* get_pixmap (GdkDrawable *);
void render_region (RegionView*, cairo_t*, nframes_t, double) const;
void editor_view (std::pair<double, double> *, std::pair<double, double> *) const;
Editor* _editor; ///< our editor
ARDOUR::Session* _session; ///< our session
GdkPixmap* _pixmap; ///< pixmap containing a rendering of the region views, or 0
bool _regions_dirty; ///< true if _pixmap requires re-rendering, otherwise false
int _width; ///< pixmap width
int _height; ///< pixmap height
double _x_scale; ///< pixels per frame for the x axis of the pixmap
double _y_scale;
bool _move_dragging;
double _x_offset;
double _y_offset;
bool _moved;
bool _zoom_dragging;
double _mouse_x_start;
double _width_start;
double _zoom_start;
nframes64_t _frames_start;
enum ZoomPosition {
LEFT,
RIGHT,
NONE
};
ZoomPosition _zoom_position;
};
#endif
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