From f53f07d814a4924c63c80af44553cd952a40d82c Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 22 Feb 2011 07:04:37 +0000
Subject: Better PluginUI abstraction.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3007 a436a847-0d15-0410-975c-d299462d15a1
---
 src/client/PluginUI.cpp | 21 ++++++++++++++++++++-
 src/client/PluginUI.hpp | 15 ++++++++++-----
 src/gui/NodeModule.cpp  | 16 +++++-----------
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/src/client/PluginUI.cpp b/src/client/PluginUI.cpp
index 5d21ea7e..9cdfa1b3 100644
--- a/src/client/PluginUI.cpp
+++ b/src/client/PluginUI.cpp
@@ -154,7 +154,7 @@ PluginUI::create(Ingen::Shared::World* world,
 				plugin, ui, lv2_ui_write, ret.get(), ret->_features->array());
 
 		if (inst) {
-			ret->set_instance(inst);
+			ret->_instance = inst;
 		} else {
 			error << "Failed to instantiate Plugin UI" << endl;
 			ret = SharedPtr<PluginUI>();
@@ -165,6 +165,25 @@ PluginUI::create(Ingen::Shared::World* world,
 	return ret;
 }
 
+LV2UI_Widget
+PluginUI::get_widget()
+{
+	return (LV2UI_Widget*)slv2_ui_instance_get_widget(_instance);
+}
+
+void
+PluginUI::port_event(uint32_t    port_index,
+                     uint32_t    buffer_size,
+                     uint32_t    format,
+                     const void* buffer)
+{
+	const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_instance);
+	LV2UI_Handle            ui      = slv2_ui_instance_get_handle(_instance);
+
+	if (ui_desc->port_event) {
+		ui_desc->port_event(ui, port_index, buffer_size, 0, buffer);
+	}
+}
 
 } // namespace Client
 } // namespace Ingen
diff --git a/src/client/PluginUI.hpp b/src/client/PluginUI.hpp
index 312e69d5..bf60dcfa 100644
--- a/src/client/PluginUI.hpp
+++ b/src/client/PluginUI.hpp
@@ -43,16 +43,21 @@ public:
 	                                  SharedPtr<NodeModel>  node,
 	                                  SLV2Plugin            plugin);
 
-	Ingen::Shared::World* world()    const { return _world; }
-	SharedPtr<NodeModel>  node()     const { return _node; }
-	SLV2UIInstance        instance() const { return _instance; }
+	LV2UI_Widget get_widget();
+
+	void port_event(uint32_t    port_index,
+	                uint32_t    buffer_size,
+	                uint32_t    format,
+	                const void* buffer);
+
+
+	Ingen::Shared::World* world() const { return _world; }
+	SharedPtr<NodeModel>  node()  const { return _node; }
 
 private:
 	PluginUI(Ingen::Shared::World* world,
 	         SharedPtr<NodeModel>  node);
 
-	void set_instance(SLV2UIInstance instance) { _instance = instance; }
-
 	Ingen::Shared::World* _world;
 	SharedPtr<NodeModel>  _node;
 	SLV2UIInstance        _instance;
diff --git a/src/gui/NodeModule.cpp b/src/gui/NodeModule.cpp
index 52f14772..7e75d501 100644
--- a/src/gui/NodeModule.cpp
+++ b/src/gui/NodeModule.cpp
@@ -154,20 +154,15 @@ NodeModule::value_changed(uint32_t index, const Atom& value)
 	if (!_plugin_ui)
 		return;
 
-	float                   float_val = 0.0f;
-	SLV2UIInstance          inst      = _plugin_ui->instance();
-	const LV2UI_Descriptor* ui_desc   = slv2_ui_instance_get_descriptor(inst);
-	LV2UI_Handle            ui        = slv2_ui_instance_get_handle(inst);
+	float float_val = 0.0f;
 
 	switch (value.type()) {
 	case Atom::FLOAT:
 		float_val = value.get_float();
-		if (ui_desc->port_event)
-			ui_desc->port_event(ui, index, 4, 0, &float_val);
+		_plugin_ui->port_event(index, 4, 0, &float_val);
 		break;
 	case Atom::STRING:
-		if (ui_desc->port_event)
-			ui_desc->port_event(ui, index, strlen(value.get_string()), 0, value.get_string());
+		_plugin_ui->port_event(index, strlen(value.get_string()), 0, value.get_string());
 		break;
 	default:
 		break;
@@ -201,9 +196,8 @@ NodeModule::embed_gui(bool embed)
 		}
 
 		if (_plugin_ui) {
-			GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_plugin_ui->instance());
+			GtkWidget* c_widget = (GtkWidget*)_plugin_ui->get_widget();
 			_gui_widget = Glib::wrap(c_widget);
-			assert(_gui_widget);
 
 			Gtk::Container* container = new Gtk::EventBox();
 			container->set_name("ingen_embedded_node_gui_container");
@@ -308,7 +302,7 @@ NodeModule::popup_gui()
 		_plugin_ui = plugin->ui(App::instance().world(), _node);
 
 		if (_plugin_ui) {
-			GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_plugin_ui->instance());
+			GtkWidget* c_widget = (GtkWidget*)_plugin_ui->get_widget();
 			_gui_widget = Glib::wrap(c_widget);
 
 			_gui_window = new Gtk::Window();
-- 
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