From f6e182b937efda6ed0ba50dbc02af98524beb61c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 16 Jul 2017 22:13:46 +0200
Subject: Move Gtkmm2ext widgets into libwidget

---
 libs/widgets/barcontroller.cc | 169 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 libs/widgets/barcontroller.cc

(limited to 'libs/widgets/barcontroller.cc')

diff --git a/libs/widgets/barcontroller.cc b/libs/widgets/barcontroller.cc
new file mode 100644
index 0000000000..896652c600
--- /dev/null
+++ b/libs/widgets/barcontroller.cc
@@ -0,0 +1,169 @@
+/*
+    Copyright (C) 2004 Paul Davis
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <string>
+#include <sstream>
+#include <climits>
+#include <cstdio>
+#include <cmath>
+#include <algorithm>
+
+#include <pbd/controllable.h>
+
+#include "gtkmm2ext/gtk_ui.h"
+#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/keyboard.h"
+#include "gtkmm2ext/cairo_widget.h"
+
+#include "widgets/barcontroller.h"
+
+#include "pbd/i18n.h"
+
+using namespace std;
+using namespace Gtk;
+using namespace Gtkmm2ext;
+using namespace ArdourWidgets;
+
+BarController::BarController (Gtk::Adjustment& adj,
+		boost::shared_ptr<PBD::Controllable> mc)
+	: _slider (&adj, mc, 60, 16)
+	, _switching (false)
+	, _switch_on_release (false)
+{
+
+	add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
+	set (.5, .5, 1.0, 1.0);
+	set_border_width (0);
+	_slider.set_tweaks (ArdourFader::NoShowUnityLine);
+
+	_slider.StartGesture.connect (sigc::mem_fun(*this, &BarController::passtrhu_gesture_start));
+	_slider.StopGesture.connect (sigc::mem_fun(*this, &BarController::passtrhu_gesture_stop));
+	_slider.OnExpose.connect (sigc::mem_fun(*this, &BarController::before_expose));
+	_slider.set_name (get_name());
+
+	Gtk::SpinButton& spinner = _slider.get_spin_button();
+	spinner.signal_activate().connect (mem_fun (*this, &BarController::entry_activated));
+	spinner.signal_focus_out_event().connect (mem_fun (*this, &BarController::entry_focus_out));
+	spinner.set_digits (9);
+	spinner.set_numeric (true);
+	spinner.set_name ("BarControlSpinner");
+	add (_slider);
+	show_all ();
+}
+
+BarController::~BarController ()
+{
+}
+
+bool
+BarController::on_button_press_event (GdkEventButton* ev)
+{
+	if (get_child() != &_slider) {
+		return false;
+	}
+	if (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
+		_switch_on_release = true;
+		return true;
+	} else {
+		_switch_on_release = false;
+	}
+	return false;
+}
+
+bool
+BarController::on_button_release_event (GdkEventButton* ev)
+{
+	if (get_child() != &_slider) {
+		return false;
+	}
+	if (ev->button == 1 && _switch_on_release) {
+		Glib::signal_idle().connect (mem_fun (*this, &BarController::switch_to_spinner));
+		return true;
+	}
+	return false;
+}
+
+void
+BarController::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
+{
+	_slider.set_name (get_name());
+}
+
+gint
+BarController::switch_to_bar ()
+{
+	if (_switching || get_child() == &_slider) {
+		return FALSE;
+	}
+	_switching = true;
+	remove ();
+	add (_slider);
+	_slider.show ();
+	_slider.queue_draw ();
+	_switching = false;
+	SpinnerActive (false); /* EMIT SIGNAL */
+	return FALSE;
+}
+
+gint
+BarController::switch_to_spinner ()
+{
+	if (_switching || get_child() != &_slider) {
+		return FALSE;
+	}
+
+	_switching = true;
+	Gtk::SpinButton& spinner = _slider.get_spin_button();
+	if (spinner.get_parent()) {
+		spinner.get_parent()->remove(spinner);
+	}
+	remove ();
+	add (spinner);
+	spinner.show ();
+	spinner.select_region (0, spinner.get_text_length());
+	spinner.grab_focus ();
+	_switching = false;
+	SpinnerActive (true); /* EMIT SIGNAL */
+	return FALSE;
+}
+
+void
+BarController::entry_activated ()
+{
+	switch_to_bar ();
+}
+
+bool
+BarController::entry_focus_out (GdkEventFocus* /*ev*/)
+{
+	entry_activated ();
+	return true;
+}
+
+void
+BarController::before_expose ()
+{
+	double xpos = -1;
+	_slider.set_text (get_label (xpos), false, false);
+}
+
+void
+BarController::set_sensitive (bool yn)
+{
+	Alignment::set_sensitive (yn);
+	_slider.set_sensitive (yn);
+}
-- 
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