Move Legend implementation to a separate source file

1 files changed, 85 insertions, 0 deletions

diff --git a/src/Legend.cpp b/src/Legend.cpp
new file mode 100644
index 0000000..f57cc1e
--- /dev/null
+++ b/src/Legend.cpp
@@ -0,0 +1,85 @@
+/* This file is part of Patchage.
+ * Copyright 2014-2020 David Robillard <d@drobilla.net>
+ *
+ * Patchage 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 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Patchage 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 details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Patchage.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Legend.hpp"
+
+#include "Configuration.hpp"
+
+#include <gtkmm/box.h>
+#include <gtkmm/colorbutton.h>
+#include <gtkmm/label.h>
+#include <sigc++/sigc++.h>
+
+#include <string>
+
+Legend::Legend(const Configuration& configuration)
+{
+	add_button(PortType::jack_audio,
+	           "Audio",
+	           configuration.get_port_color(PortType::jack_audio));
+
+#ifdef HAVE_JACK_METADATA
+	add_button(PortType::jack_cv,
+	           "CV",
+	           configuration.get_port_color(PortType::jack_cv));
+	add_button(PortType::jack_osc,
+	           "OSC",
+	           configuration.get_port_color(PortType::jack_osc));
+#endif
+
+	add_button(PortType::jack_midi,
+	           "MIDI",
+	           configuration.get_port_color(PortType::jack_midi));
+
+	add_button(PortType::alsa_midi,
+	           "ALSA MIDI",
+	           configuration.get_port_color(PortType::alsa_midi));
+
+	show_all_children();
+}
+
+void
+Legend::add_button(const PortType id, const std::string& label, uint32_t rgba)
+{
+	Gdk::Color col;
+	col.set_rgb(((rgba >> 24) & 0xFF) * 0x100,
+	            ((rgba >> 16) & 0xFF) * 0x100,
+	            ((rgba >> 8) & 0xFF) * 0x100);
+
+	auto* box = new Gtk::HBox();
+	auto* but = new Gtk::ColorButton(col);
+	but->set_use_alpha(false);
+	but->signal_color_set().connect(
+	    sigc::bind(sigc::mem_fun(this, &Legend::on_color_set), id, label, but));
+
+	box->pack_end(*Gtk::manage(but));
+	box->pack_end(*Gtk::manage(new Gtk::Label(label)), false, false, 2);
+
+	this->pack_start(*Gtk::manage(box), false, false, 6);
+}
+
+void
+Legend::on_color_set(const PortType          id,
+                     const std::string&      label,
+                     const Gtk::ColorButton* but)
+{
+	const Gdk::Color col = but->get_color();
+	const uint32_t   rgba =
+	    (((col.get_red() / 0x100) << 24) | ((col.get_green() / 0x100) << 16) |
+	     ((col.get_blue() / 0x100) << 8) | 0xFF);
+
+	signal_color_changed.emit(id, label, rgba);
+}