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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.
*/
#include <gtkmm/menu.h>
#include "cairo_widget.h"
namespace ARDOUR {
class Session;
class RouteGroup;
}
class Editor;
class GroupTabs : public CairoWidget
{
public:
GroupTabs ();
void set_session (ARDOUR::Session *);
protected:
struct Tab {
double from;
double to;
Gdk::Color colour;
ARDOUR::RouteGroup* group;
double first_ui_size;
double last_ui_size;
};
ARDOUR::Session* _session;
private:
virtual std::list<Tab> compute_tabs () const = 0;
virtual void draw_tab (cairo_t *, Tab const &) const = 0;
virtual double primary_coordinate (double, double) const = 0;
virtual void reflect_tabs (std::list<Tab> const &) = 0;
virtual double extent () const = 0;
virtual Gtk::Menu* get_menu (ARDOUR::RouteGroup *) = 0;
void render (cairo_t *);
void on_size_request (Gtk::Requisition *);
bool on_button_press_event (GdkEventButton *);
bool on_motion_notify_event (GdkEventMotion *);
bool on_button_release_event (GdkEventButton *);
Tab * click_to_tab (double, Tab**, Tab**);
std::list<Tab> _tabs;
Tab* _dragging;
bool _drag_moved;
bool _drag_from;
double _drag_last;
double _drag_limit;
};
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