Robin Gareus
8b5737b8d2
This follows5a41ca8fdfanddf1e6fda2d. Even though this kind of precision is rarely needed, rounding to a single digit is inconsistent with various places that display more than one digit, or allow more accurate control.
176 lines
4.1 KiB
C++
176 lines
4.1 KiB
C++
/*
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* Copyright (C) 2004 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string>
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#include <sstream>
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#include <climits>
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#include <cstdio>
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#include <cmath>
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#include <algorithm>
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#include <pbd/controllable.h>
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#include "gtkmm2ext/gtk_ui.h"
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#include "gtkmm2ext/utils.h"
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#include "gtkmm2ext/keyboard.h"
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#include "gtkmm2ext/cairo_widget.h"
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#include "widgets/barcontroller.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace ArdourWidgets;
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BarController::BarController (Gtk::Adjustment& adj,
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boost::shared_ptr<PBD::Controllable> mc)
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: _slider (&adj, mc, 60, 16)
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, _switching (false)
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, _switch_on_release (false)
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{
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add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
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set (.5, .5, 1.0, 1.0);
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set_border_width (0);
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_slider.set_tweaks (ArdourFader::NoShowUnityLine);
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_slider.StartGesture.connect (sigc::mem_fun(*this, &BarController::passtrhu_gesture_start));
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_slider.StopGesture.connect (sigc::mem_fun(*this, &BarController::passtrhu_gesture_stop));
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_slider.OnExpose.connect (sigc::mem_fun(*this, &BarController::before_expose));
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_slider.set_name (get_name());
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Gtk::SpinButton& spinner = _slider.get_spin_button();
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spinner.signal_activate().connect (mem_fun (*this, &BarController::entry_activated));
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spinner.signal_focus_out_event().connect (mem_fun (*this, &BarController::entry_focus_out));
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if (mc && mc->is_gain_like ()) {
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spinner.set_digits (2); // 0.01 dB
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} else {
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spinner.set_digits (4);
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}
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spinner.set_numeric (true);
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spinner.set_name ("BarControlSpinner");
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add (_slider);
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show_all ();
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}
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BarController::~BarController ()
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{
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}
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bool
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BarController::on_button_press_event (GdkEventButton* ev)
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{
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if (get_child() != &_slider) {
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return false;
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}
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if (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
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_switch_on_release = true;
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return true;
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} else {
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_switch_on_release = false;
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}
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return false;
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}
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bool
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BarController::on_button_release_event (GdkEventButton* ev)
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{
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if (get_child() != &_slider) {
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return false;
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}
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if (ev->button == 1 && _switch_on_release) {
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Glib::signal_idle().connect (mem_fun (*this, &BarController::switch_to_spinner));
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return true;
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}
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return false;
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}
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void
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BarController::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
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{
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_slider.set_name (get_name());
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}
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gint
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BarController::switch_to_bar ()
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{
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if (_switching || get_child() == &_slider) {
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return FALSE;
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}
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_switching = true;
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remove ();
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add (_slider);
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_slider.show ();
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_slider.queue_draw ();
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_switching = false;
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SpinnerActive (false); /* EMIT SIGNAL */
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return FALSE;
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}
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gint
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BarController::switch_to_spinner ()
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{
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if (_switching || get_child() != &_slider) {
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return FALSE;
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}
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_switching = true;
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Gtk::SpinButton& spinner = _slider.get_spin_button();
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if (spinner.get_parent()) {
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spinner.get_parent()->remove(spinner);
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}
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remove ();
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add (spinner);
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spinner.show ();
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spinner.select_region (0, spinner.get_text_length());
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spinner.grab_focus ();
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_switching = false;
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SpinnerActive (true); /* EMIT SIGNAL */
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return FALSE;
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}
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void
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BarController::entry_activated ()
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{
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switch_to_bar ();
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}
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bool
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BarController::entry_focus_out (GdkEventFocus* /*ev*/)
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{
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entry_activated ();
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return true;
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}
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void
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BarController::before_expose ()
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{
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double xpos = -1;
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_slider.set_text (get_label (xpos), false, false);
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}
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void
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BarController::set_sensitive (bool yn)
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{
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Alignment::set_sensitive (yn);
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_slider.set_sensitive (yn);
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}
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