2 Copyright (C) 2012 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.
24 #include <gtkmm/toggleaction.h>
26 #include "pbd/compose.h"
27 #include "gtkmm2ext/utils.h"
28 #include "gtkmm2ext/rgb_macros.h"
30 #include "ardour_ui.h"
31 #include "button_joiner.h"
35 ButtonJoiner::ButtonJoiner (const std::string& str, Gtk::Widget& lw, Gtk::Widget& rw, bool central_joiner)
39 , active_fill_pattern (0)
40 , inactive_fill_pattern (0)
41 , central_link (central_joiner)
43 packer.set_homogeneous (true);
46 packer.set_spacing (20);
49 packer.pack_start (left);
50 packer.pack_start (right);
53 /* this alignment is how we position the box that holds the two widgets
54 within our allocation, and how we request more space around them.
61 align.set_padding (9, 0, 9, 9);
64 align.set_padding (1, 1, 1, 1);
71 add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|
72 Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
74 uint32_t border_color;
77 border_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: border end", name));
78 UINT_TO_RGBA (border_color, &r, &g, &b, &a);
84 /* child cairo widgets need the color of the inner edge as their
89 col.set_rgb_p (border_r, border_g, border_b);
90 provide_background_for_cairo_widget (*this, col);
93 ButtonJoiner::~ButtonJoiner ()
95 if (active_fill_pattern) {
96 cairo_pattern_destroy (active_fill_pattern);
97 cairo_pattern_destroy (inactive_fill_pattern);
102 ButtonJoiner::render (cairo_t* cr)
104 double h = get_height();
107 cairo_set_source (cr, inactive_fill_pattern);
109 cairo_set_source (cr, active_fill_pattern);
115 Gtkmm2ext::rounded_top_rectangle (cr, 0, 0, get_width(), h, 8);
116 cairo_fill_preserve (cr);
120 cairo_set_line_width (cr, 1.5);
121 cairo_set_source_rgb (cr, border_r, border_g, border_b);
126 Gtkmm2ext::rounded_top_rectangle (cr, 8, 8, get_width() - 16, h - 8, 6);
130 Gtkmm2ext::rounded_top_rectangle (cr, 0, 0, (get_width() - 20.0)/2.0 , h, 8);
131 cairo_fill_preserve (cr);
133 Gtkmm2ext::rounded_top_rectangle (cr, (get_width() - 20.)/2.0 + 20.0, 0.0,
134 (get_width() - 20.0)/2.0 , h, 8);
135 cairo_fill_preserve (cr);
137 cairo_move_to (cr, get_width()/2.0 - 10.0, h/2.0);
138 cairo_set_line_width (cr, 1.5);
139 cairo_rel_line_to (cr, 20.0, 0.0);
140 cairo_set_source (cr, active_fill_pattern);
143 cairo_arc (cr, get_width()/2.0, h/2.0, 6.0, 0, M_PI*2.0);
144 cairo_set_line_width (cr, 1.5);
145 cairo_fill_preserve (cr);
146 cairo_set_source_rgb (cr, border_r, border_g, border_b);
153 ButtonJoiner::on_size_allocate (Allocation& alloc)
155 CairoWidget::on_size_allocate (alloc);
160 ButtonJoiner::on_button_release_event (GdkEventButton*)
163 _action->activate ();
170 ButtonJoiner::on_size_request (Gtk::Requisition* r)
172 CairoWidget::on_size_request (r);
176 ButtonJoiner::set_related_action (Glib::RefPtr<Action> act)
178 Gtkmm2ext::Activatable::set_related_action (act);
182 action_tooltip_changed ();
184 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
187 tact->signal_toggled().connect (sigc::mem_fun (*this, &ButtonJoiner::action_toggled));
190 _action->connect_property_changed ("sensitive", sigc::mem_fun (*this, &ButtonJoiner::action_sensitivity_changed));
191 _action->connect_property_changed ("visible", sigc::mem_fun (*this, &ButtonJoiner::action_visibility_changed));
192 _action->connect_property_changed ("tooltip", sigc::mem_fun (*this, &ButtonJoiner::action_tooltip_changed));
197 ButtonJoiner::action_sensitivity_changed ()
199 if (_action->property_sensitive ()) {
200 set_visual_state (Gtkmm2ext::VisualState (visual_state() & ~Gtkmm2ext::Insensitive));
202 set_visual_state (Gtkmm2ext::VisualState (visual_state() | Gtkmm2ext::Insensitive));
208 ButtonJoiner::action_visibility_changed ()
210 if (_action->property_visible ()) {
218 ButtonJoiner::action_tooltip_changed ()
220 std::string str = _action->property_tooltip().get_value();
221 ARDOUR_UI::instance()->set_tip (*this, str);
225 ButtonJoiner::action_toggled ()
227 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
230 set_active (tact->get_active());
235 ButtonJoiner::set_active_state (Gtkmm2ext::ActiveState s)
237 bool changed = (_active_state != s);
238 CairoWidget::set_active_state (s);
245 ButtonJoiner::set_colors ()
247 uint32_t start_color;
251 if (active_fill_pattern) {
252 cairo_pattern_destroy (active_fill_pattern);
253 cairo_pattern_destroy (inactive_fill_pattern);
256 active_fill_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
257 inactive_fill_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
259 start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start", name));
260 end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end", name));
261 UINT_TO_RGBA (start_color, &r, &g, &b, &a);
262 cairo_pattern_add_color_stop_rgba (inactive_fill_pattern, 0, r/255.0,g/255.0,b/255.0, a/255.0);
263 UINT_TO_RGBA (end_color, &r, &g, &b, &a);
264 cairo_pattern_add_color_stop_rgba (inactive_fill_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
266 start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start active", name));
267 end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", name));
268 UINT_TO_RGBA (start_color, &r, &g, &b, &a);
269 cairo_pattern_add_color_stop_rgba (active_fill_pattern, 0, r/255.0,g/255.0,b/255.0, a/255.0);
270 UINT_TO_RGBA (end_color, &r, &g, &b, &a);
271 cairo_pattern_add_color_stop_rgba (active_fill_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);