2 * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
3 * Copyright (C) 2011 Paul Davis
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include "gtkmm2ext/gui_thread.h"
21 #include "gtkmm2ext/keyboard.h"
23 #include "ardour_spinner.h"
25 using namespace ARDOUR;
27 ArdourSpinner::ArdourSpinner (
28 boost::shared_ptr<ARDOUR::AutomationControl> c,
30 boost::shared_ptr<ARDOUR::Automatable> p)
31 : _btn (ArdourButton::Text)
33 , _spin_adj (0, c->lower (), c->upper (), .1, .01)
34 , _spinner (_spin_adj)
36 , _switch_on_release (false)
37 , _ctrl_ignore (false)
38 , _spin_ignore (false)
42 add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
43 set (.5, .5, 1.0, 1.0);
46 _btn.set_controllable (c);
47 _btn.set_fallthrough_to_parent (true);
49 _spinner.signal_activate().connect (mem_fun (*this, &ArdourSpinner::entry_activated));
50 _spinner.signal_focus_out_event().connect (mem_fun (*this, &ArdourSpinner::entry_focus_out));
51 _spinner.set_digits (4);
52 _spinner.set_numeric (true);
53 _spinner.set_name ("BarControlSpinner");
55 _spin_adj.set_step_increment(c->interface_to_internal(_ctrl_adj->get_step_increment()) - c->lower ());
56 _spin_adj.set_page_increment(c->interface_to_internal(_ctrl_adj->get_page_increment()) - c->lower ());
58 _spin_adj.signal_value_changed().connect (sigc::mem_fun(*this, &ArdourSpinner::spin_adjusted));
59 adj->signal_value_changed().connect (sigc::mem_fun(*this, &ArdourSpinner::ctrl_adjusted));
60 c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourSpinner::controllable_changed, this), gui_context());
65 controllable_changed();
70 ArdourSpinner::~ArdourSpinner ()
75 ArdourSpinner::on_button_press_event (GdkEventButton* ev)
77 if (get_child() != &_btn) {
81 if (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
82 _switch_on_release = true;
85 _switch_on_release = false;
91 ArdourSpinner::on_button_release_event (GdkEventButton* ev)
93 if (get_child() != &_btn) {
96 if (ev->button == 1 && _switch_on_release) {
97 Glib::signal_idle().connect (mem_fun (*this, &ArdourSpinner::switch_to_spinner));
104 ArdourSpinner::on_scroll_event (GdkEventScroll* ev)
107 if (ev->state & Gtkmm2ext::Keyboard::GainFineScaleModifier) {
108 if (ev->state & Gtkmm2ext::Keyboard::GainExtraFineScaleModifier) {
115 boost::shared_ptr<PBD::Controllable> c = _btn.get_controllable();
117 float val = c->get_interface();
119 if ( ev->direction == GDK_SCROLL_UP )
120 val += 0.05 * scale; //by default, we step in 1/20ths of the knob travel
124 c->set_interface(val);
131 ArdourSpinner::switch_to_button ()
133 if (_switching || get_child() == &_btn) {
146 ArdourSpinner::switch_to_spinner ()
148 if (_switching || get_child() != &_btn) {
155 _spinner.select_region (0, _spinner.get_text_length ());
156 _spinner.grab_focus ();
162 ArdourSpinner::entry_activated ()
168 ArdourSpinner::entry_focus_out (GdkEventFocus* /*ev*/)
175 ArdourSpinner::ctrl_adjusted ()
181 _spin_adj.set_value (_controllable->interface_to_internal (_ctrl_adj->get_value ()));
182 _ctrl_ignore = false;
186 ArdourSpinner::spin_adjusted ()
192 _ctrl_adj->set_value (_controllable->internal_to_interface (_spin_adj.get_value ()));
193 _spin_ignore = false;
197 ArdourSpinner::controllable_changed ()
200 _btn.set_text (_printer->value_as_string (_controllable));
202 _btn.set_text (_controllable->get_user_string());