From 902703efa9425a0630053c10229de911e23a2a43 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 1 Aug 2016 03:43:23 -0400
Subject: Show colorized log output in messages window

---
 src/gui/MessagesWindow.cpp | 93 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 88 insertions(+), 5 deletions(-)

(limited to 'src/gui/MessagesWindow.cpp')

diff --git a/src/gui/MessagesWindow.cpp b/src/gui/MessagesWindow.cpp
index 262cb817..fb29716c 100644
--- a/src/gui/MessagesWindow.cpp
+++ b/src/gui/MessagesWindow.cpp
@@ -1,6 +1,6 @@
 /*
   This file is part of Ingen.
-  Copyright 2007-2015 David Robillard <http://drobilla.net/>
+  Copyright 2007-2016 David Robillard <http://drobilla.net/>
 
   Ingen is free software: you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free
@@ -14,9 +14,13 @@
   along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "MessagesWindow.hpp"
 #include <string>
 
+#include "ingen/URIs.hpp"
+
+#include "App.hpp"
+#include "MessagesWindow.hpp"
+
 namespace Ingen {
 namespace GUI {
 using std::string;
@@ -31,17 +35,96 @@ MessagesWindow::MessagesWindow(BaseObjectType*                   cobject,
 
 	_clear_button->signal_clicked().connect(sigc::mem_fun(this, &MessagesWindow::clear_clicked));
 	_close_button->signal_clicked().connect(sigc::mem_fun(this, &Window::hide));
+
+	for (int s = Gtk::STATE_NORMAL; s <= Gtk::STATE_INSENSITIVE; ++s) {
+		_textview->modify_base((Gtk::StateType)s, Gdk::Color("#000000"));
+		_textview->modify_text((Gtk::StateType)s, Gdk::Color("#EEEEEC"));
+	}
+}
+
+void
+MessagesWindow::init_window(App& app)
+{
+	Glib::RefPtr<Gtk::TextTag> tag = Gtk::TextTag::create();
+	tag->property_foreground() = "#EF2929";
+	_tags.emplace(app.uris().log_Error, tag);
+	_error_tag = tag;
+
+	tag = Gtk::TextTag::create();
+	tag->property_foreground() = "#FCAF3E";
+	_tags.emplace(app.uris().log_Warning, tag);
+
+	tag = Gtk::TextTag::create();
+	tag->property_foreground() = "#8AE234";
+	_tags.emplace(app.uris().log_Trace, tag);
+
+	for (const auto& t : _tags) {
+		_textview->get_buffer()->get_tag_table()->add(t.second);
+	}
 }
 
 void
-MessagesWindow::post(const string& msg)
+MessagesWindow::post_error(const string& msg)
 {
 	Glib::RefPtr<Gtk::TextBuffer> text_buf = _textview->get_buffer();
-	text_buf->insert(text_buf->end(), msg);
+	text_buf->insert_with_tag(text_buf->end(), msg, _error_tag);
 	text_buf->insert(text_buf->end(), "\n");
 
-	if (!_clear_button->is_sensitive())
+	if (!_clear_button->is_sensitive()) {
+		_clear_button->set_sensitive(true);
+	}
+
+	set_urgency_hint(true);
+	if (!is_visible()) {
+		present();
+	}
+}
+
+int
+MessagesWindow::log(LV2_URID type, const char* fmt, va_list args)
+{
+	std::lock_guard<std::mutex> lock(_mutex);
+
+#ifdef HAVE_VASPRINTF
+	char*     buf = NULL;
+	const int len = vasprintf(&buf, fmt, args);
+#else
+	char*     buf = g_strdup_vprintf(fmt, args);
+	const int len = strlen(buf);
+#endif
+
+	_stream << type << ' ' << buf << '\0';
+	free(buf);
+
+	return len;
+}
+
+void
+MessagesWindow::flush()
+{
+	LV2_URID    type;
+	std::string line;
+	{
+		std::lock_guard<std::mutex> lock(_mutex);
+		if (!_stream.rdbuf()->in_avail()) {
+			return;
+		}
+		_stream >> type;
+		std::getline(_stream, line, '\0');
+	}
+
+	Glib::RefPtr<Gtk::TextBuffer> text_buf = _textview->get_buffer();
+
+	auto t = _tags.find(type);
+	if (t != _tags.end()) {
+		text_buf->insert_with_tag(text_buf->end(), line, t->second);
+	} else {
+		text_buf->insert(text_buf->end(), line);
+	}
+
+	if (!_clear_button->is_sensitive()) {
 		_clear_button->set_sensitive(true);
+	}
 }
 
 void
-- 
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