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livetrax/libs/widgets/widgets/frame.h

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/*
* Copyright (C) 2020 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _WIDGETS_FRAME_H_
#define _WIDGETS_FRAME_H_
#include <boost/optional.hpp>
#include <gtkmm/bin.h>
#include "gtkmm2ext/colors.h"
#include "gtkmm2ext/cairo_theme.h"
#include "widgets/visibility.h"
namespace ArdourWidgets {
class LIBWIDGETS_API Frame : public Gtk::Bin, public Gtkmm2ext::CairoTheme
{
public:
enum Orientation {
Horizontal,
Vertical
};
Frame (Orientation orientation = Horizontal, bool force_boxy = false);
~Frame ();
void set_label (std::string const&);
void set_padding (int);
void set_edge_color (Gtkmm2ext::Color);
void reset_edge_color ();
protected:
void on_add (Gtk::Widget*);
void on_remove (Gtk::Widget*);
void on_size_request (GtkRequisition*);
void on_size_allocate (Gtk::Allocation&);
bool on_expose_event (GdkEventExpose*);
void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
void on_name_changed ();
private:
Glib::RefPtr<Gtk::Style> get_parent_style ();
Orientation _orientation;
Gtk::Widget* _w;
Gtk::Widget* _current_parent;
sigc::connection _parent_style_change;
Glib::RefPtr<Pango::Layout> _layout;
std::string _label_text;
boost::optional<Gdk::Color> _edge_color;
GtkRequisition _min_size;
int _border;
int _padding;
int _label_pad_w;
int _label_pad_h;
int _label_left;
int _text_width;
int _text_height;
int _alloc_x0;
int _alloc_y0;
bool _boxy;
};
} // namespace ArdourWidgets
#endif