1 /*
2  * Copyright (C) 2005 Paul Davis <paul@linuxaudiosystems.com>
3  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef _WIDGETS_STATEFUL_BUTTON_H_
21 #define _WIDGETS_STATEFUL_BUTTON_H_
22 
23 #include <vector>
24 
25 #include <gtkmm/togglebutton.h>
26 
27 #include "widgets/visibility.h"
28 
29 namespace ArdourWidgets {
30 
31 class LIBWIDGETS_API StateButton
32 {
33 public:
34 	StateButton();
~StateButton()35 	virtual ~StateButton() {}
36 
37 	void set_visual_state (int);
get_visual_state()38 	int  get_visual_state () { return visual_state; }
set_self_managed(bool yn)39 	void set_self_managed (bool yn) { _self_managed = yn; }
40 	virtual void set_widget_name (const std::string& name) = 0;
41 
42 protected:
43 	int  visual_state;
44 	bool _self_managed;
45 	bool _is_realized;
46 	bool style_changing;
47 	Gtk::StateType state_before_prelight;
48 	bool is_toggle;
49 
50 	virtual std::string  get_widget_name() const = 0;
51 	virtual Gtk::Widget* get_child_widget () = 0;
52 
53 	void avoid_prelight_on_style_changed (const Glib::RefPtr<Gtk::Style>& style, GtkWidget* widget);
54 	void avoid_prelight_on_state_changed (Gtk::StateType old_state, GtkWidget* widget);
55 };
56 
57 
58 class LIBWIDGETS_API StatefulToggleButton : public StateButton, public Gtk::ToggleButton
59 {
60 public:
61 	StatefulToggleButton();
62 	explicit StatefulToggleButton(const std::string &label);
~StatefulToggleButton()63 	~StatefulToggleButton() {}
64 	void set_widget_name (const std::string& name);
65 
66 protected:
67 	void on_realize ();
68 	void on_toggled ();
69 	void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
70 	void on_state_changed (Gtk::StateType old_state);
71 
72 	Gtk::Widget* get_child_widget ();
get_widget_name()73 	std::string get_widget_name() const { return get_name(); }
74 };
75 
76 class LIBWIDGETS_API StatefulButton : public StateButton, public Gtk::Button
77 {
78 public:
79 	StatefulButton();
80 	explicit StatefulButton(const std::string &label);
~StatefulButton()81 	virtual ~StatefulButton() {}
82 	void set_widget_name (const std::string& name);
83 
84 protected:
85 	void on_realize ();
86 	void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
87 	void on_state_changed (Gtk::StateType old_state);
88 
89 	Gtk::Widget* get_child_widget ();
get_widget_name()90 	std::string get_widget_name() const { return get_name(); }
91 };
92 
93 } /* end namespace */
94 
95 #endif
96