From ae9644045846190f13dda828e2f75115f2c8601f Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 22 Nov 2008 17:29:36 +0000
Subject: Add status bar to display information about objects on mouse hover.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1769 a436a847-0d15-0410-975c-d299462d15a1
---
 src/client/PluginModel.cpp     |  4 ++--
 src/client/PluginModel.hpp     |  4 ++--
 src/engine/MidiControlNode.cpp |  2 +-
 src/engine/MidiNoteNode.cpp    |  2 +-
 src/engine/MidiTriggerNode.cpp |  2 +-
 src/gui/BreadCrumb.hpp         |  9 ++++----
 src/gui/BreadCrumbBox.hpp      | 16 +++++++-------
 src/gui/PatchView.cpp          | 27 ++++++++++++++++++++++-
 src/gui/PatchView.hpp          | 12 ++++++----
 src/gui/PatchWindow.cpp        | 50 ++++++++++++++++++++++++++++++++++++++++++
 src/gui/PatchWindow.hpp        | 24 ++++++++++----------
 src/gui/ingen_gui.glade        | 19 ++++++++++++++++
 src/gui/wscript                |  2 +-
 13 files changed, 135 insertions(+), 38 deletions(-)

diff --git a/src/client/PluginModel.cpp b/src/client/PluginModel.cpp
index 6b7ec4c8..7198235a 100644
--- a/src/client/PluginModel.cpp
+++ b/src/client/PluginModel.cpp
@@ -51,7 +51,7 @@ PluginModel::PluginModel(const string& uri, const string& type_uri)
 	
 
 string
-PluginModel::default_node_symbol()
+PluginModel::default_node_symbol() const
 {
 	return Raul::Path::nameify(symbol());
 }
@@ -79,7 +79,7 @@ PluginModel::human_name()
 
 
 string
-PluginModel::port_human_name(uint32_t index)
+PluginModel::port_human_name(uint32_t index) const
 {
 #ifdef HAVE_SLV2
 	if (_slv2_plugin) {
diff --git a/src/client/PluginModel.hpp b/src/client/PluginModel.hpp
index 53bf668c..c59da63b 100644
--- a/src/client/PluginModel.hpp
+++ b/src/client/PluginModel.hpp
@@ -57,9 +57,9 @@ public:
 	const string symbol() const { return string_property("lv2:symbol"); }
 	const string name()   const { return string_property("doap:name"); }
 
-	string default_node_symbol();
+	string default_node_symbol() const;
 	string human_name();
-	string port_human_name(uint32_t index);
+	string port_human_name(uint32_t index) const;
 
 #ifdef HAVE_SLV2
 	static SLV2World slv2_world()  { return _slv2_world; }
diff --git a/src/engine/MidiControlNode.cpp b/src/engine/MidiControlNode.cpp
index c30d6028..fc6098ec 100644
--- a/src/engine/MidiControlNode.cpp
+++ b/src/engine/MidiControlNode.cpp
@@ -36,7 +36,7 @@ MidiControlNode::MidiControlNode(const string& path,
                                  PatchImpl*    parent,
                                  SampleRate    srate,
                                  size_t        buffer_size)
-	: NodeBase(new InternalPlugin(NS_INGEN "control_node", "controller", "MIDI Controller")
+	: NodeBase(new InternalPlugin(NS_INGEN "control_node", "controller", "Controller")
 			, path, false, parent, srate, buffer_size)
 	, _learning(false)
 {
diff --git a/src/engine/MidiNoteNode.cpp b/src/engine/MidiNoteNode.cpp
index 5b6da263..7918e1d2 100644
--- a/src/engine/MidiNoteNode.cpp
+++ b/src/engine/MidiNoteNode.cpp
@@ -37,7 +37,7 @@ namespace Ingen {
 
 
 MidiNoteNode::MidiNoteNode(const string& path, bool polyphonic, PatchImpl* parent, SampleRate srate, size_t buffer_size)
-	: NodeBase(new InternalPlugin(NS_INGEN "note_node", "note", "MIDI Note"),
+	: NodeBase(new InternalPlugin(NS_INGEN "note_node", "note", "Note"),
 			path, polyphonic, parent, srate, buffer_size)
 	, _voices(new Raul::Array<Voice>(_polyphony))
 	, _prepared_voices(NULL)
diff --git a/src/engine/MidiTriggerNode.cpp b/src/engine/MidiTriggerNode.cpp
index bbf63167..c68a0b96 100644
--- a/src/engine/MidiTriggerNode.cpp
+++ b/src/engine/MidiTriggerNode.cpp
@@ -32,7 +32,7 @@ namespace Ingen {
 
 
 MidiTriggerNode::MidiTriggerNode(const string& path, bool polyphonic, PatchImpl* parent, SampleRate srate, size_t buffer_size)
-	: NodeBase(new InternalPlugin(NS_INGEN "trigger_node", "trigger", "MIDI Trigger"),
+	: NodeBase(new InternalPlugin(NS_INGEN "trigger_node", "trigger", "Trigger"),
 			path, false, parent, srate, buffer_size)
 {
 	_ports = new Raul::Array<PortImpl*>(5);
diff --git a/src/gui/BreadCrumb.hpp b/src/gui/BreadCrumb.hpp
index 45bdae31..62900a23 100644
--- a/src/gui/BreadCrumb.hpp
+++ b/src/gui/BreadCrumb.hpp
@@ -22,6 +22,7 @@
 #include "raul/Path.hpp"
 #include "raul/SharedPtr.hpp"
 #include "PatchView.hpp"
+#include "client/PatchModel.hpp"
 
 namespace Ingen {
 namespace GUI {
@@ -39,7 +40,7 @@ namespace GUI {
 class BreadCrumb : public Gtk::ToggleButton
 {
 public:
-	BreadCrumb(const Path& path, SharedPtr<PatchView> view = SharedPtr<PatchView>())
+	BreadCrumb(const Raul::Path& path, SharedPtr<PatchView> view = SharedPtr<PatchView>())
 		: _path(path)
 		, _view(view)
 	{
@@ -54,10 +55,10 @@ public:
 		_view = view;
 	}
 
-	const Path&          path() const { return _path; }
+	const Raul::Path&    path() const { return _path; }
 	SharedPtr<PatchView> view() const { return _view; }
 	
-	void set_path(const Path& path)
+	void set_path(const Raul::Path& path)
 	{
 		remove();
 		const string text = (path == "/") ? "/" : path.name().c_str();
@@ -71,7 +72,7 @@ public:
 	}
 
 private:
-	Path                 _path;
+	Raul::Path           _path;
 	SharedPtr<PatchView> _view;
 };
 
diff --git a/src/gui/BreadCrumbBox.hpp b/src/gui/BreadCrumbBox.hpp
index caaca612..7c4764c1 100644
--- a/src/gui/BreadCrumbBox.hpp
+++ b/src/gui/BreadCrumbBox.hpp
@@ -43,23 +43,23 @@ class BreadCrumbBox : public Gtk::HBox
 public:
 	BreadCrumbBox();
 	
-	SharedPtr<PatchView> view(const Path& path);
+	SharedPtr<PatchView> view(const Raul::Path& path);
 
-	void build(Path path, SharedPtr<PatchView> view);
+	void build(Raul::Path path, SharedPtr<PatchView> view);
 
-	sigc::signal<void, const Path&, SharedPtr<PatchView> > signal_patch_selected;
+	sigc::signal<void, const Raul::Path&, SharedPtr<PatchView> > signal_patch_selected;
 
 private:
-	BreadCrumb* create_crumb(const Path&           path,
+	BreadCrumb* create_crumb(const Raul::Path&    path,
                              SharedPtr<PatchView> view = SharedPtr<PatchView>());
 
 	void breadcrumb_clicked(BreadCrumb* crumb);
 	
-	void object_destroyed(const Path& path);
-	void object_renamed(const Path& old_path, const Path& new_path);
+	void object_destroyed(const Raul::Path& path);
+	void object_renamed(const Raul::Path& old_path, const Raul::Path& new_path);
 
-	Path                   _active_path;
-	Path                   _full_path;
+	Raul::Path             _active_path;
+	Raul::Path             _full_path;
 	bool                   _enable_signal;
 	std::list<BreadCrumb*> _breadcrumbs;
 };
diff --git a/src/gui/PatchView.cpp b/src/gui/PatchView.cpp
index 1c5c2c51..6e2ff1cd 100644
--- a/src/gui/PatchView.cpp
+++ b/src/gui/PatchView.cpp
@@ -107,6 +107,12 @@ PatchView::set_patch(SharedPtr<PatchModel> patch)
 	_poly_spin->signal_value_changed().connect(
 			sigc::mem_fun(*this, &PatchView::poly_changed));
 
+	_canvas->signal_port_entered.connect(
+			sigc::mem_fun(*this, &PatchView::canvas_port_entered));
+	
+	_canvas->signal_item_entered.connect(
+			sigc::mem_fun(*this, &PatchView::canvas_item_entered));
+
 	_canvas->grab_focus();
 }
 
@@ -121,7 +127,8 @@ SharedPtr<PatchView>
 PatchView::create(SharedPtr<PatchModel> patch)
 
 {
-	const Glib::RefPtr<Gnome::Glade::Xml>& xml = GladeFactory::new_glade_reference("patch_view_box");
+	
+const Glib::RefPtr<Gnome::Glade::Xml>& xml = GladeFactory::new_glade_reference("patch_view_box");
 	PatchView* result = NULL;
 	xml->get_widget_derived("patch_view_box", result);
 	assert(result);
@@ -147,6 +154,24 @@ PatchView::editable_toggled()
 }
 
 
+void
+PatchView::canvas_port_entered(FlowCanvas::Port* port)
+{
+	Port* p = dynamic_cast<Port*>(port);
+	if (p)
+		signal_object_entered.emit(p->model().get());
+}
+
+
+void
+PatchView::canvas_item_entered(FlowCanvas::Item* item)
+{
+	NodeModule* m = dynamic_cast<NodeModule*>(item);
+	if (m)
+		signal_object_entered.emit(m->node().get());
+}
+
+
 void
 PatchView::process_toggled()
 {
diff --git a/src/gui/PatchView.hpp b/src/gui/PatchView.hpp
index 209480f2..beb1de2f 100644
--- a/src/gui/PatchView.hpp
+++ b/src/gui/PatchView.hpp
@@ -23,16 +23,17 @@
 #include <libglademm/xml.h>
 #include <libglademm.h>
 #include "raul/SharedPtr.hpp"
-#include "client/PatchModel.hpp"
-
-using std::string;
+#include "raul/Atom.hpp"
 
 namespace Ingen { namespace Client {
 	class PortModel;
 	class MetadataModel;
+	class PatchModel;
+	class ObjectModel;
 } }
 using namespace Ingen::Client;
 
+namespace FlowCanvas { class Port; class Item; }
 
 namespace Ingen {
 namespace GUI {
@@ -45,7 +46,6 @@ class NewSubpatchWindow;
 class NodeControlWindow;
 class PatchDescriptionWindow;
 class SubpatchModule;
-class OmPort;
 
 
 /** The patch specific contents of a PatchWindow (ie the canvas and whatever else).
@@ -64,6 +64,8 @@ public:
 
 	static SharedPtr<PatchView> create(SharedPtr<PatchModel> patch);
 
+	sigc::signal<void, ObjectModel*> signal_object_entered;
+
 private:
 	void set_patch(SharedPtr<PatchModel> patch);
 
@@ -73,6 +75,8 @@ private:
 	void refresh_clicked();
 	void on_editable_sig(bool locked);
 	void editable_toggled();
+	void canvas_port_entered(FlowCanvas::Port* port);
+	void canvas_item_entered(FlowCanvas::Item* item);
 	
 	void property_changed(const std::string& predicate, const Raul::Atom& value);
 
diff --git a/src/gui/PatchWindow.cpp b/src/gui/PatchWindow.cpp
index fbc85d34..7cd095f5 100644
--- a/src/gui/PatchWindow.cpp
+++ b/src/gui/PatchWindow.cpp
@@ -19,6 +19,7 @@
 #include <iostream>
 #include <cassert>
 #include <fstream>
+#include "raul/AtomRDF.hpp"
 #include "interface/EngineInterface.hpp"
 #include "client/PatchModel.hpp"
 #include "client/ClientStore.hpp"
@@ -55,6 +56,7 @@ PatchWindow::PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glad
 
 	xml->get_widget("patch_win_vbox", _vbox);
 	xml->get_widget("patch_win_viewport", _viewport);
+	xml->get_widget("patch_win_status_bar", _status_bar);
 	//xml->get_widget("patch_win_status_bar", _status_bar);
 	//xml->get_widget("patch_open_menuitem", _menu_open);
 	xml->get_widget("patch_import_menuitem", _menu_import);
@@ -76,6 +78,7 @@ PatchWindow::PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glad
 	xml->get_widget("patch_fullscreen_menuitem", _menu_fullscreen);
 	xml->get_widget("patch_human_names_menuitem", _menu_human_names);
 	xml->get_widget("patch_show_port_names_menuitem", _menu_show_port_names);
+	xml->get_widget("patch_status_bar_menuitem", _menu_show_status_bar);
 	xml->get_widget("patch_arrange_menuitem", _menu_arrange);
 	xml->get_widget("patch_clear_menuitem", _menu_clear);
 	xml->get_widget("patch_destroy_menuitem", _menu_destroy_patch);
@@ -113,6 +116,8 @@ PatchWindow::PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glad
 		sigc::mem_fun(this, &PatchWindow::event_fullscreen_toggled));
 	_menu_human_names->signal_activate().connect(
 		sigc::mem_fun(this, &PatchWindow::event_human_names_toggled));
+	_menu_show_status_bar->signal_activate().connect(
+		sigc::mem_fun(this, &PatchWindow::event_status_bar_toggled));
 	_menu_show_port_names->signal_activate().connect(
 		sigc::mem_fun(this, &PatchWindow::event_port_names_toggled));
 	_menu_arrange->signal_activate().connect(
@@ -186,6 +191,7 @@ PatchWindow::set_patch(SharedPtr<PatchModel> patch, SharedPtr<PatchView> view)
 	
 	new_port_connection.disconnect();
 	removed_port_connection.disconnect();
+	_entered_connection.disconnect();
 
 	_patch = patch;
 
@@ -246,6 +252,8 @@ PatchWindow::set_patch(SharedPtr<PatchModel> patch, SharedPtr<PatchView> view)
 	removed_port_connection = patch->signal_removed_port.connect(sigc::mem_fun(this, &PatchWindow::patch_port_removed));
 	show_all();
 
+	_view->signal_object_entered.connect(sigc::mem_fun(this, &PatchWindow::object_entered));
+
 	_enable_signal = true;
 }
 
@@ -278,6 +286,37 @@ PatchWindow::patch_port_removed(SharedPtr<PortModel> port)
 }
 
 
+void
+PatchWindow::object_entered(ObjectModel* model)
+{
+	_status_bar->pop();
+	string msg = model->path();
+	NodeModel* node = dynamic_cast<NodeModel*>(model);
+	if (node) {
+		PluginModel* plugin = (PluginModel*)node->plugin();
+		msg.append(" \"").append(plugin->human_name()).append("\"");
+	}
+	
+	PortModel* port = dynamic_cast<PortModel*>(model);
+	if (port) {
+		NodeModel* parent = dynamic_cast<NodeModel*>(port->parent().get());
+		if (parent) {
+			const PluginModel* plugin = dynamic_cast<const PluginModel*>(parent->plugin());
+			if (plugin) {
+				msg.append(" \"").append(plugin->port_human_name(port->index())).append("\"");
+				const Atom& value = port->value();
+				if (value.is_valid()) {
+					const Redland::Node node = AtomRDF::atom_to_node(
+							*App::instance().world()->rdf_world, value);
+					msg.append(" = ").append(node.to_string());
+				}
+			}
+		}
+	}
+
+	_status_bar->push(msg);
+}
+
 
 void
 PatchWindow::event_show_engine()
@@ -538,6 +577,17 @@ PatchWindow::event_fullscreen_toggled()
 }
 
 
+void
+PatchWindow::event_status_bar_toggled()
+{
+	if (_menu_show_status_bar->get_active())
+		_status_bar->show();
+	else
+		_status_bar->hide();
+}
+
+
+
 void
 PatchWindow::event_human_names_toggled()
 {
diff --git a/src/gui/PatchWindow.hpp b/src/gui/PatchWindow.hpp
index 62adf4c8..a0c9792c 100644
--- a/src/gui/PatchWindow.hpp
+++ b/src/gui/PatchWindow.hpp
@@ -25,17 +25,11 @@
 #include <libglademm.h>
 #include "raul/Path.hpp"
 #include "raul/SharedPtr.hpp"
-#include "client/PatchModel.hpp"
-#include "PatchView.hpp"
-using Ingen::Client::PatchModel;
-
-using std::string; using std::list;
-
 
 namespace Ingen { namespace Client {
 	class PatchModel;
 	class PortModel;
-	class MetadataModel;
+	class ObjectModel;
 } }
 using namespace Ingen::Client;
 
@@ -51,8 +45,8 @@ class NewSubpatchWindow;
 class NodeControlWindow;
 class PatchDescriptionWindow;
 class SubpatchModule;
-class OmPort;
 class BreadCrumbBox;
+class PatchView;
 
 
 /** A window for a patch.
@@ -65,7 +59,7 @@ public:
 	PatchWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& glade_xml);
 	~PatchWindow();
 	
-	void set_patch_from_path(const Path& path, SharedPtr<PatchView> view);
+	void set_patch_from_path(const Raul::Path& path, SharedPtr<PatchView> view);
 	void set_patch(SharedPtr<PatchModel> pc, SharedPtr<PatchView> view);
 
 	SharedPtr<PatchModel> patch() const { return _patch; }
@@ -82,6 +76,7 @@ private:
 
 	void patch_port_added(SharedPtr<PortModel> port);
 	void patch_port_removed(SharedPtr<PortModel> port);
+	void object_entered(ObjectModel* model);
 
 	void event_import();
 	void event_import_location();
@@ -96,6 +91,7 @@ private:
 	void event_destroy();
 	void event_clear();
 	void event_fullscreen_toggled();
+	void event_status_bar_toggled();
 	void event_human_names_toggled();
 	void event_port_names_toggled();
 	void event_arrange();
@@ -129,6 +125,7 @@ private:
 	Gtk::MenuItem*      _menu_quit;
 	Gtk::CheckMenuItem* _menu_human_names;
 	Gtk::CheckMenuItem* _menu_show_port_names;
+	Gtk::CheckMenuItem* _menu_show_status_bar;
 	Gtk::MenuItem*      _menu_fullscreen;
 	Gtk::MenuItem*      _menu_clear;
 	Gtk::MenuItem*      _menu_destroy_patch;
@@ -139,13 +136,14 @@ private:
 	Gtk::MenuItem*      _menu_view_messages_window;
 	Gtk::MenuItem*      _menu_view_patch_tree_window;
 	Gtk::MenuItem*      _menu_help_about;
-	
+
 	Gtk::VBox*          _vbox;
 	Gtk::Viewport*      _viewport;
 	BreadCrumbBox*      _breadcrumb_box;
-	
-	//Gtk::Statusbar*   _status_bar;
-	
+	Gtk::Statusbar*     _status_bar;
+
+	sigc::connection _entered_connection;
+
 	/** Invisible bin used to store breadcrumbs when not shown by a view */
 	Gtk::Alignment _breadcrumb_bin;
 };
diff --git a/src/gui/ingen_gui.glade b/src/gui/ingen_gui.glade
index 9328893b..5d249bd4 100644
--- a/src/gui/ingen_gui.glade
+++ b/src/gui/ingen_gui.glade
@@ -321,6 +321,15 @@
                         <accelerator key="n" modifiers="GDK_CONTROL_MASK" signal="activate"/>
                       </widget>
                     </child>
+                    <child>
+                      <widget class="GtkCheckMenuItem" id="patch_status_bar_menuitem">
+                        <property name="visible">True</property>
+                        <property name="label" translatable="yes">_Status Bar</property>
+                        <property name="use_underline">True</property>
+                        <property name="active">True</property>
+                        <accelerator key="b" modifiers="GDK_CONTROL_MASK" signal="activate"/>
+                      </widget>
+                    </child>
                   </widget>
                 </child>
               </widget>
@@ -468,6 +477,16 @@
             <property name="position">1</property>
           </packing>
         </child>
+        <child>
+          <widget class="GtkStatusbar" id="patch_win_status_bar">
+            <property name="visible">True</property>
+            <property name="spacing">2</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
       </widget>
     </child>
   </widget>
diff --git a/src/gui/wscript b/src/gui/wscript
index 62cefaf5..d00606eb 100644
--- a/src/gui/wscript
+++ b/src/gui/wscript
@@ -42,7 +42,7 @@ def build(bld):
 	if bld.env()['HAVE_CURL'] != 0:
 		obj.source += 'UploadPatchWindow.cpp'
 
-	obj.includes       = ['.', '..', '../common']
+	obj.includes       = ['.', '..', '../common', '../client', '../module']
 	obj.name           = 'libingen_gui'
 	obj.target         = 'ingen_gui'
 	obj.inst_dir       = bld.env()['LIBDIRNAME'] + 'ingen'
-- 
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