Support inline display of HTML LV2 documentation via WebKit.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3515 a436a847-0d15-0410-975c-d299462d15a1

8 files changed, 89 insertions, 36 deletions

diff --git a/src/client/PluginModel.cpp b/src/client/PluginModel.cpp
index 80b78887..1d13ee5b 100644
--- a/src/client/PluginModel.cpp
+++ b/src/client/PluginModel.cpp
@@ -28,6 +28,8 @@
 #include "ingen/client/PluginModel.hpp"
 #include "ingen/client/PluginUI.hpp"
 
+#include "ingen-config.h"
+
 using namespace std;
 using namespace Raul;
 
@@ -225,19 +227,27 @@ PluginModel::get_lv2_icon_path(const LilvPlugin* plugin)
 }
 
 std::string
-PluginModel::documentation() const
+PluginModel::documentation(bool* html) const
 {
 	std::string doc;
-	if (!_lilv_plugin)
+	if (!_lilv_plugin) {
 		return doc;
+	}
 
-	//LilvNode lv2_documentation = lilv_new_uri(
-	//	_lilv_world, LILV_NAMESPACE_LV2 "documentation");
-	LilvNode* rdfs_comment = lilv_new_uri(
-		_lilv_world, "http://www.w3.org/2000/01/rdf-schema#comment");
+	LilvNode* lv2_documentation = lilv_new_uri(_lilv_world,
+	                                           LILV_NS_LV2 "documentation");
+	LilvNode* rdfs_comment = lilv_new_uri(_lilv_world,
+	                                      LILV_NS_RDFS "comment");
+
+	LilvNodes* vals = lilv_plugin_get_value(_lilv_plugin, lv2_documentation);
+	if (vals) {
+		*html = true;
+		doc += std::string("<h2>") + human_name() + "</h2>\n";
+	} else {
+		*html = false;
+		vals = lilv_plugin_get_value(_lilv_plugin, rdfs_comment);
+	}
 
-	LilvNodes* vals = lilv_plugin_get_value(_lilv_plugin,
-	                                         rdfs_comment);
 	if (vals) {
 		const LilvNode* val = lilv_nodes_get_first(vals);
 		if (lilv_node_is_string(val)) {
@@ -245,6 +255,8 @@ PluginModel::documentation() const
 		}
 	}
 	lilv_node_free(rdfs_comment);
+	lilv_node_free(lv2_documentation);
+	
 	lilv_nodes_free(vals);
 
 	return doc;
diff --git a/src/gui/NodeModule.cpp b/src/gui/NodeModule.cpp
index 8f66b3bd..20eebdd1 100644
--- a/src/gui/NodeModule.cpp
+++ b/src/gui/NodeModule.cpp
@@ -415,14 +415,14 @@ NodeModule::set_selected(bool b)
 			PatchWindow* win = app.window_factory()->parent_patch_window(node());
 			if (win) {
 				std::string doc;
+				bool        html = false;
 				if (node()->plugin_model()) {
-					doc = node()->plugin_model()->documentation();
+					doc = node()->plugin_model()->documentation(&html);
 				}
 				if (!doc.empty()) {
-					win->doc_textview()->get_buffer()->set_text(doc);
-					win->doc_textview()->show();
+					win->show_documentation(doc, html);
 				} else {
-					win->doc_textview()->hide();
+					win->hide_documentation();
 				}
 			}
 		}
diff --git a/src/gui/PatchCanvas.cpp b/src/gui/PatchCanvas.cpp
index ded2cbe9..d8d89651 100644
--- a/src/gui/PatchCanvas.cpp
+++ b/src/gui/PatchCanvas.cpp
@@ -591,7 +591,7 @@ PatchCanvas::clear_selection()
 	const App&   app = App::instance();
 	PatchWindow* win = app.window_factory()->patch_window(_patch);
 	if (win) {
-		win->doc_textview()->hide();
+		win->hide_documentation();
 	}
 
 	FlowCanvas::Canvas::clear_selection();
diff --git a/src/gui/PatchWindow.cpp b/src/gui/PatchWindow.cpp
index 1d20c732..d03d665e 100644
--- a/src/gui/PatchWindow.cpp
+++ b/src/gui/PatchWindow.cpp
@@ -15,31 +15,40 @@
  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "PatchWindow.hpp"
 #include <cassert>
 #include <sstream>
+
 #include <boost/format.hpp>
 #include <glib/gstdio.h>
 #include <glibmm/fileutils.h>
+
 #include "raul/AtomRDF.hpp"
+
 #include "ingen/ServerInterface.hpp"
-#include "shared/LV2URIMap.hpp"
-#include "ingen/client/PatchModel.hpp"
 #include "ingen/client/ClientStore.hpp"
+#include "ingen/client/PatchModel.hpp"
+#include "shared/LV2URIMap.hpp"
+
 #include "App.hpp"
-#include "PatchCanvas.hpp"
+#include "BreadCrumbs.hpp"
+#include "Configuration.hpp"
+#include "ConnectWindow.hpp"
+#include "LoadPatchWindow.hpp"
 #include "LoadPluginWindow.hpp"
+#include "MessagesWindow.hpp"
 #include "NewSubpatchWindow.hpp"
-#include "LoadPatchWindow.hpp"
 #include "NodeControlWindow.hpp"
-#include "Configuration.hpp"
-#include "MessagesWindow.hpp"
+#include "PatchCanvas.hpp"
 #include "PatchTreeWindow.hpp"
-#include "BreadCrumbs.hpp"
-#include "ConnectWindow.hpp"
+#include "PatchView.hpp"
+#include "PatchWindow.hpp"
 #include "ThreadedLoader.hpp"
 #include "WindowFactory.hpp"
-#include "PatchView.hpp"
+#include "ingen-config.h"
+
+#ifdef HAVE_WEBKIT
+#include <webkit/webkit.h>
+#endif
 
 using namespace Raul;
 
@@ -95,6 +104,7 @@ PatchWindow::PatchWindow(BaseObjectType*                   cobject,
 	xml->get_widget("patch_view_messages_window_menuitem", _menu_view_messages_window);
 	xml->get_widget("patch_view_patch_tree_window_menuitem", _menu_view_patch_tree_window);
 	xml->get_widget("patch_help_about_menuitem", _menu_help_about);
+	xml->get_widget("patch_documentation_viewport", _doc_viewport);
 	xml->get_widget("patch_documentation_textview", _doc_textview);
 
 	_menu_view_control_window->property_sensitive() = false;
@@ -298,6 +308,29 @@ PatchWindow::patch_port_removed(SharedPtr<const PortModel> port)
 }
 
 void
+PatchWindow::show_documentation(const std::string& doc, bool html)
+{
+#ifdef HAVE_WEBKIT
+	WebKitWebView* view = WEBKIT_WEB_VIEW(webkit_web_view_new());
+	webkit_web_view_load_html_string(view, doc.c_str(), "");
+	_doc_viewport->add(*Gtk::manage(Glib::wrap(GTK_WIDGET(view))));
+	_doc_viewport->show_all();
+#else
+	Gtk::TextView* view = Gtk::manage(new Gtk::TextView());
+	view->get_buffer()->set_text(doc);
+	_doc_viewport->add(*view);
+	_doc_viewport->show_all();
+#endif
+}
+
+void
+PatchWindow::hide_documentation()
+{
+	_doc_viewport->remove();
+	_doc_viewport->hide();
+}
+	
+void
 PatchWindow::show_status(const ObjectModel* model)
 {
 	std::stringstream msg;
diff --git a/src/gui/PatchWindow.hpp b/src/gui/PatchWindow.hpp
index 4ba9d123..4766cb99 100644
--- a/src/gui/PatchWindow.hpp
+++ b/src/gui/PatchWindow.hpp
@@ -57,11 +57,12 @@ public:
 	            const Glib::RefPtr<Gtk::Builder>& xml);
 	~PatchWindow();
 
-	Gtk::TextView* doc_textview() { return _doc_textview; }
-
 	void set_patch_from_path(const Raul::Path& path, SharedPtr<PatchView> view);
 	void set_patch(SharedPtr<const PatchModel> pc, SharedPtr<PatchView> view);
 
+	void show_documentation(const std::string& doc, bool html);
+	void hide_documentation();
+
 	SharedPtr<const PatchModel> patch() const { return _patch; }
 
 	Gtk::MenuItem* menu_view_control_window() { return _menu_view_control_window; }
@@ -153,6 +154,7 @@ private:
 	BreadCrumbs*        _breadcrumbs;
 	Gtk::Statusbar*     _status_bar;
 
+	Gtk::Viewport* _doc_viewport;
 	Gtk::TextView* _doc_textview;
 
 	sigc::connection _entered_connection;
diff --git a/src/gui/Port.cpp b/src/gui/Port.cpp
index 809f43f1..b0c4ffcb 100644
--- a/src/gui/Port.cpp
+++ b/src/gui/Port.cpp
@@ -311,10 +311,9 @@ Port::set_selected(bool b)
 				const std::string& doc = node->plugin_model()->port_documentation(
 					pm->index());
 				if (!doc.empty()) {
-					win->doc_textview()->get_buffer()->set_text(doc);
-					win->doc_textview()->show();
+					win->show_documentation(doc, false);
 				} else {
-					win->doc_textview()->hide();
+					win->hide_documentation();
 				}
 			}
 		}
diff --git a/src/gui/ingen_gui.ui b/src/gui/ingen_gui.ui
index 63aea196..66d7cc19 100644
--- a/src/gui/ingen_gui.ui
+++ b/src/gui/ingen_gui.ui
@@ -2187,12 +2187,18 @@ Contributors:
               </packing>
             </child>
             <child>
-              <object class="GtkTextView" id="patch_documentation_textview">
+              <object class="GtkViewport" id="patch_documentation_viewport">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="editable">False</property>
-                <property name="wrap_mode">word</property>
-                <property name="cursor_visible">False</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkTextView" id="patch_documentation_textview">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="editable">False</property>
+                    <property name="wrap_mode">word</property>
+                    <property name="cursor_visible">False</property>
+                  </object>
+                </child>
               </object>
               <packing>
                 <property name="resize">False</property>
diff --git a/src/gui/wscript b/src/gui/wscript
index dd9c4770..ca254d45 100644
--- a/src/gui/wscript
+++ b/src/gui/wscript
@@ -55,13 +55,14 @@ def build(bld):
             GLIBMM
             GNOMECANVASMM
             GTKMM
+            LILV
+            LV2CORE
             RAUL
-            SORD
             SIGCPP
-            LV2CORE
-            LILV
+            SORD
             SOUP
             SUIL
+            WEBKIT
     ''')
 
     # XML UI definition