From 39dbfbaf661bfec067d02b26bbc04608d74413c6 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 21 Dec 2007 03:32:55 +0000
Subject: Fix SLV2 GUI sketchiness, repeated
 embedding/unembedding/pop-up/window destroy, etc. Break out LV2 GUI stuff to
 a separate class, SharedPtr it up, spiffify, etc.

git-svn-id: http://svn.drobilla.net/lad/ingen@993 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/client/PluginUI.cpp | 115 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/libs/client/PluginUI.cpp

(limited to 'src/libs/client/PluginUI.cpp')

diff --git a/src/libs/client/PluginUI.cpp b/src/libs/client/PluginUI.cpp
new file mode 100644
index 00000000..3c15b15e
--- /dev/null
+++ b/src/libs/client/PluginUI.cpp
@@ -0,0 +1,115 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include "PluginUI.hpp"
+#include "NodeModel.hpp"
+#include "PortModel.hpp"
+
+using namespace std;
+using Ingen::Shared::EngineInterface;
+
+namespace Ingen {
+namespace Client {
+
+static void
+lv2_ui_write(LV2UI_Controller controller,
+             uint32_t         port_index,
+             uint32_t         buffer_size,
+             const void*      buffer)
+{
+	/*cerr << "********* LV2 UI WRITE:" << endl;
+	lv2_osc_message_print((const LV2Message*)buffer);
+
+	fprintf(stderr, "RAW:\n");
+	for (uint32_t i=0; i < buffer_size; ++i) {
+		unsigned char byte = ((unsigned char*)buffer)[i];
+		if (byte >= 32 && byte <= 126)
+			fprintf(stderr, "%c  ", ((unsigned char*)buffer)[i]);
+		else
+			fprintf(stderr, "%2X ", ((unsigned char*)buffer)[i]);
+	}
+	
+	fprintf(stderr, "\n");
+	*/
+
+	PluginUI* ui = (PluginUI*)controller;
+
+	SharedPtr<PortModel> port = ui->node()->ports()[port_index];
+
+	ui->engine()->set_port_value_immediate(port->path(),
+			port->type().uri(), buffer_size, buffer);
+}
+
+	
+PluginUI::PluginUI(SharedPtr<EngineInterface> engine,
+                   SharedPtr<NodeModel>       node)
+	: _engine(engine)
+	, _node(node)
+	, _instance(NULL)
+{
+}
+
+
+PluginUI::~PluginUI()
+{
+	slv2_ui_instance_free(_instance);
+}
+	
+
+SharedPtr<PluginUI>
+PluginUI::create(SharedPtr<EngineInterface> engine,
+                 SharedPtr<NodeModel>       node,
+                 SLV2Plugin                 plugin)
+{
+	SharedPtr<PluginUI> ret;
+
+	static const char* gtk_gui_uri = "http://ll-plugins.nongnu.org/lv2/ext/gui#GtkGUI";
+
+	SLV2UIs uis = slv2_plugin_get_uis(plugin);
+	SLV2UI  ui  = NULL;
+
+	if (slv2_values_size(uis) > 0) {
+		for (unsigned i=0; i < slv2_uis_size(uis); ++i) {
+			SLV2UI this_ui = slv2_uis_get_at(uis, i);
+			if (slv2_ui_is_type(this_ui, gtk_gui_uri)) {
+				ui = this_ui;
+				break;
+			}
+		}
+	}
+
+	if (ui) {
+		cout << "Found GTK Plugin UI: " << slv2_ui_get_uri(ui) << endl;
+		ret = SharedPtr<PluginUI>(new PluginUI(engine, node));
+		SLV2UIInstance inst = slv2_ui_instantiate(
+				plugin, ui, lv2_ui_write, ret.get(), NULL);
+
+		if (inst) {
+			ret->set_instance(inst);
+		} else {
+			cerr << "ERROR: Failed to instantiate Plugin UI" << endl;
+			ret = SharedPtr<PluginUI>();
+		}
+	}
+
+	return ret;
+}
+
+
+} // namespace Client
+} // namespace Ingen
-- 
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