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livetrax/libs/surfaces/push2/menu.h

67 lines
1.6 KiB
C++

/*
Copyright (C) 2016 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 __ardour_push2_menu_h__
#define __ardour_push2_menu_h__
#include <cairomm/context.h>
#include <cairomm/surface.h>
#include <pangomm/layout.h>
#include "pbd/signals.h"
namespace ArdourSurface {
class Push2Menu {
public:
Push2Menu (Cairo::RefPtr<Cairo::Context>);
void redraw (Cairo::RefPtr<Cairo::Context>) const;
bool dirty () const { return _dirty; }
void fill_column (int col, std::vector<std::string>);
void set_active (int col, int index);
void step_active (int col, int dir);
int get_active (int col);
PBD::Signal0<void> ActiveChanged;
PBD::Signal0<void> Selected;
private:
struct Column {
std::vector<std::string> text;
Glib::RefPtr<Pango::Layout> layout;
int top;
int active;
};
Column columns[8];
void scroll (int col, int dir);
void set_text (int col, int top);
int nrows;
double baseline;
mutable bool _dirty;
};
} // namespace
#endif /* __ardour_push2_menu_h__ */