2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __gtk2_ardour_ardour_button_h__
20 #define __gtk2_ardour_ardour_button_h__
25 #include <gtkmm/action.h>
27 #include "pbd/signals.h"
28 #include "gtkmm2ext/ardour_icon.h"
29 #include "gtkmm2ext/binding_proxy.h"
30 #include "gtkmm2ext/activatable.h"
31 #include "gtkmm2ext/cairo_widget.h"
33 class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
43 Inactive = 0x40, // no _action is defined AND state is not used
44 VectorIcon = 0x80, // tentative, see commit message
47 static Element default_elements;
48 static Element led_default_elements;
49 static Element just_led_default_elements;
51 ArdourButton (Element e = default_elements);
52 ArdourButton (const std::string&, Element e = default_elements);
53 virtual ~ArdourButton ();
62 Tweaks tweaks() const { return _tweaks; }
63 void set_tweaks (Tweaks);
65 void set_active_state (Gtkmm2ext::ActiveState);
66 void set_visual_state (Gtkmm2ext::VisualState);
68 void set_custom_led_color (const uint32_t c, const bool useit = true);
70 void set_act_on_release (bool onRelease) { _act_on_release = onRelease; }
72 Element elements() const { return _elements; }
73 void set_elements (Element);
74 void add_elements (Element);
76 Gtkmm2ext::ArdourIcon::Icon icon() const { return _icon; }
77 void set_icon (Gtkmm2ext::ArdourIcon::Icon);
79 void set_corner_radius (float);
81 void set_text (const std::string&);
82 const std::string& get_text () {return _text;}
83 void set_angle (const double);
84 void set_alignment (const float, const float);
85 void get_alignment (float& xa, float& ya) {xa = _xalign; ya = _yalign;};
87 void set_led_left (bool yn);
88 void set_distinct_led_click (bool yn);
90 void set_layout_ellipsize_width (int w);
91 void set_layout_font (const Pango::FontDescription&);
92 void set_text_ellipsize (Pango::EllipsizeMode);
94 /* Sets the text used for size request computation. Pass an
95 * empty string to return to the default behavior which uses
96 * the currently displayed text for measurement. */
97 void set_sizing_text (const std::string&);
98 const std::string& get_sizing_text () {return _sizing_text;}
100 sigc::signal<void, GdkEventButton*> signal_led_clicked;
101 sigc::signal<void> signal_clicked;
103 boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
104 void set_controllable (boost::shared_ptr<PBD::Controllable> c);
107 void set_related_action (Glib::RefPtr<Gtk::Action>);
109 bool on_button_press_event (GdkEventButton*);
110 bool on_button_release_event (GdkEventButton*);
112 void set_image (const Glib::RefPtr<Gdk::Pixbuf>&);
114 void set_fixed_colors (const uint32_t active_color, const uint32_t inactive_color);
115 void set_active_color (const uint32_t active_color);
116 void set_inactive_color (const uint32_t inactive_color);
118 void set_fallthrough_to_parent(bool fall) { _fallthrough_to_parent = fall; }
120 unsigned int char_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_pixel_width; }
121 unsigned int char_pixel_height() { if (_char_pixel_height < 1) recalc_char_pixel_geometry() ; return _char_pixel_height; }
122 float char_avg_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_avg_pixel_width; }
125 void render (cairo_t *, cairo_rectangle_t *);
126 void on_size_request (Gtk::Requisition* req);
127 void on_size_allocate (Gtk::Allocation&);
128 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
129 void on_name_changed ();
131 bool on_enter_notify_event (GdkEventCrossing*);
132 bool on_leave_notify_event (GdkEventCrossing*);
133 bool on_grab_broken_event(GdkEventGrabBroken*);
134 bool on_focus_in_event (GdkEventFocus*);
135 bool on_focus_out_event (GdkEventFocus*);
136 bool on_key_release_event (GdkEventKey *);
138 void controllable_changed ();
139 PBD::ScopedConnection watch_connection;
142 Glib::RefPtr<Pango::Layout> _layout;
143 Glib::RefPtr<Gdk::Pixbuf> _pixbuf;
145 std::string _sizing_text;
147 Gtkmm2ext::ArdourIcon::Icon _icon;
149 BindingProxy binding_proxy;
151 void recalc_char_pixel_geometry ();
152 unsigned int _char_pixel_width;
153 unsigned int _char_pixel_height;
154 float _char_avg_pixel_width;
159 float _corner_radius;
163 float _xalign, _yalign;
165 uint32_t fill_inactive_color;
166 uint32_t fill_active_color;
168 uint32_t text_active_color;
169 uint32_t text_inactive_color;
171 uint32_t led_active_color;
172 uint32_t led_inactive_color;
173 uint32_t led_custom_color;
174 bool use_custom_led_color;
176 cairo_pattern_t* convex_pattern;
177 cairo_pattern_t* concave_pattern;
178 cairo_pattern_t* led_inset_pattern;
179 cairo_rectangle_t* _led_rect;
181 bool _act_on_release;
183 bool _distinct_led_click;
186 int _fixed_colors_set;
187 bool _fallthrough_to_parent;
188 int _layout_ellipsize_width;
189 Pango::EllipsizeMode _ellipsis;
193 void setup_led_rect ();
195 void color_handler ();
196 void build_patterns ();
197 void ensure_layout ();
199 void action_toggled ();
200 void action_sensitivity_changed ();
201 void action_visibility_changed ();
202 void action_tooltip_changed ();
205 #endif /* __gtk2_ardour_ardour_button_h__ */