From b0c2b11751b21d4f59ece43de0e4b673e344d965 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 13 Jan 2013 21:38:58 +0000
Subject: Fancy labels.

git-svn-id: http://svn.drobilla.net/lad/trunk/machina@4966 a436a847-0d15-0410-975c-d299462d15a1
---
 src/gui/NodeView.cpp | 46 ++++++++++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 18 deletions(-)

(limited to 'src/gui')

diff --git a/src/gui/NodeView.cpp b/src/gui/NodeView.cpp
index 38e5ea7..93902e8 100644
--- a/src/gui/NodeView.cpp
+++ b/src/gui/NodeView.cpp
@@ -41,17 +41,16 @@ NodeView::NodeView(Gtk::Window*                        window,
 	, _default_border_color(get_border_color())
 	, _default_fill_color(get_fill_color())
 {
-	signal_event().connect(
-		sigc::mem_fun(this, &NodeView::on_event));
+	signal_event().connect(sigc::mem_fun(this, &NodeView::on_event));
 
 	MachinaCanvas* mcanvas = dynamic_cast<MachinaCanvas*>(&canvas);
 	if (is(mcanvas->app()->forge(), URIs::instance().machina_initial)) {
 		set_border_width(4.0);
-		set_label("init");
+		const uint8_t alpha[] = { 0xCE, 0xB1, 0 };
+		set_label((const char*)alpha);
 	}
 
-	node->signal_property.connect(
-		sigc::mem_fun(this, &NodeView::on_property));
+	node->signal_property.connect(sigc::mem_fun(this, &NodeView::on_property));
 
 	for (const auto& p : node->properties()) {
 		on_property(p.first, p.second);
@@ -100,19 +99,28 @@ NodeView::on_event(GdkEvent* event)
 	return false;
 }
 
-static std::string
-midi_note_name(uint8_t num)
+static void
+midi_note_name(uint8_t num, uint8_t buf[8])
 {
-	static const char* notes[] = {
-		"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"
-	};
-
-	const uint8_t octave = num / 12;
-	num -= octave * 12;
-
-	static char str[8];
-	snprintf(str, sizeof(str), "%s%d", notes[num], octave);
-	return str;
+	static const char* notes     = "CCDDEFFGGAAB";
+	static const bool is_sharp[] = { 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0 };
+
+	const uint8_t octave  = num / 12;
+	const uint8_t id      = num - octave * 12;
+	const uint8_t sub[]   = { 0xE2, 0x82, uint8_t(0x80 + octave) };
+	const uint8_t sharp[] = { 0xE2, 0x99, 0xAF };
+
+	int b    = 0;
+	buf[b++] = notes[id];
+	if (is_sharp[id]) {
+		for (unsigned s = 0; s < sizeof(sharp); ++s) {
+			buf[b++] = sharp[s];
+		}
+	}
+	for (unsigned s = 0; s < sizeof(sub); ++s) {
+		buf[b++] = sub[s];
+	}
+	buf[b++] = 0;
 }
 
 void
@@ -122,7 +130,9 @@ NodeView::show_label(bool show)
 		Raul::Atom note_number = _enter_action->get(
 			URIs::instance().machina_note_number);
 		if (note_number.is_valid()) {
-			set_label(midi_note_name(note_number.get_int32()).c_str());
+			uint8_t buf[8];
+			midi_note_name(note_number.get_int32(), buf);
+			set_label((const char*)buf);
 			return;
 		}
 	}
-- 
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