[gegl/soc-2012-editor] Added a panel in the editor window which is populated with a table of properties whenever a new node

[Isaac Wagner <isaacbw src gnome org>]

commit 513856ebbf74e4ff0959433620728e311fe6c534
Author: Isaac Wagner <isaacbw src gnome org>
Date:   Sun Jun 17 20:23:06 2012 -0400

    Added a panel in the editor window which is populated with a table of properties whenever a new node is selected. No functionality beyond adding stuff to a Gtk container

 bin/editor/gegl-editor-layer.c |   41 ++++++++++++++++++++++++++++++++++++++-
 bin/editor/gegl-editor-layer.h |    3 +-
 bin/editor/gegl-editor.c       |   23 +++++++++++++++++----
 3 files changed, 59 insertions(+), 8 deletions(-)
---
diff --git a/bin/editor/gegl-editor-layer.c b/bin/editor/gegl-editor-layer.c
index 4396e1d..d0d0468 100644
--- a/bin/editor/gegl-editor-layer.c
+++ b/bin/editor/gegl-editor-layer.c
@@ -95,28 +95,65 @@ gint layer_node_selected (gpointer host, GeglEditor* editor, gint node_id)
 
   guint n_props;
   GParamSpec** properties = gegl_operation_list_properties(gegl_node_get_operation(node), &n_props);
+
+  //prop_box *should* only have one child which was added by the editor layer, but clear it anyway
+  /*GList *children, *iter;
+
+  children = gtk_container_get_children(GTK_CONTAINER(self->prop_box));
+  for(iter = children; iter != NULL; iter = g_list_next(iter))
+    gtk_widget_destroy(GTK_WIDGET(iter->data));
+    g_list_free(children);*/
+
+  //TODO: only create enough columns for the properties which will actually be included (i.e. ignoring GeglBuffer props)
+  GtkTable *prop_table = gtk_table_new(2, n_props, FALSE);
+
   int i;
   for(i = 0; i < n_props; i++)
     {
       GParamSpec* prop = properties[i];
-      g_print("%s (%s)\n", prop->name, g_type_name(prop->value_type));
+      GType type = prop->value_type;
+      guchar* name = prop->name;
+
+      GtkWidget* name_label = gtk_label_new(name);
+      gtk_misc_set_alignment(GTK_MISC(name_label), 0, 0.5);
+      gtk_table_attach(prop_table, name_label, 0, 1, i, i+1, GTK_FILL, GTK_FILL, 1, 1);
+
+      GtkWidget* value_entry = gtk_entry_new();
+      gtk_entry_set_width_chars(GTK_ENTRY(value_entry), 5);
+      gtk_table_attach(prop_table, value_entry, 1, 2, i, i+1, GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, 1, 1);
     }
+
+  gtk_box_pack_start(GTK_BOX(self->prop_box), prop_table, TRUE, TRUE, 0);
+  gtk_widget_show_all(self->prop_box);
+}
+
+gint layer_node_deselected(gpointer host, GeglEditor* editor, gint node)
+{
+  GeglEditorLayer*	self = (GeglEditorLayer*)host;
+  GList *children, *iter;
+
+  children = gtk_container_get_children(GTK_CONTAINER(self->prop_box));
+  for(iter = children; iter != NULL; iter = g_list_next(iter))
+    gtk_widget_destroy(GTK_WIDGET(iter->data));
+  g_list_free(children);
 }
 
 /*  gint (*nodeSelected) (gpointer host, GeglEditor* editor, gint node);
     gint (*nodeDeselected) (gpointer host, GeglEditor* editor, gint node);*/
 
 GeglEditorLayer*	
-layer_create(GeglEditor* editor, GeglNode* gegl)
+layer_create(GeglEditor* editor, GeglNode* gegl, GtkWidget* prop_box)
 {
   GeglEditorLayer*	layer = malloc(sizeof(GeglEditorLayer));
   editor->host		      = (gpointer)layer;
   editor->connectedPads	      = layer_connected_pads;
   editor->disconnectedPads    = layer_disconnected_pads;
   editor->nodeSelected	      = layer_node_selected;
+  editor->nodeDeselected	      = layer_node_deselected;
   layer->editor		      = editor;
   layer->gegl		      = gegl;
   layer->pairs		      = NULL;
+  layer->prop_box = prop_box;
   return layer;
 }
 
diff --git a/bin/editor/gegl-editor-layer.h b/bin/editor/gegl-editor-layer.h
index 8f23a6c..e34356d 100644
--- a/bin/editor/gegl-editor-layer.h
+++ b/bin/editor/gegl-editor-layer.h
@@ -23,13 +23,14 @@ struct _GeglEditorLayer
 {
   GeglEditor	*editor;
   GeglNode	*gegl;
+  GtkWidget	*prop_box;	//container for the property editor
   GSList	*pairs;
 };
 
 /* 
 Editor and gegl graph should both be empty, but properly initialized 
 */
-GeglEditorLayer*	layer_create(GeglEditor* editor, GeglNode* gegl);
+GeglEditorLayer*	layer_create(GeglEditor* editor, GeglNode* gegl, GtkWidget* property_editor_container);
 void			layer_add_gegl_node(GeglEditorLayer* layer, GeglNode* node);
 //void layer_remove_gegl_node(GeglNode* node);
 //link, unlink
diff --git a/bin/editor/gegl-editor.c b/bin/editor/gegl-editor.c
index 0fa4e28..b75bce8 100644
--- a/bin/editor/gegl-editor.c
+++ b/bin/editor/gegl-editor.c
@@ -56,10 +56,16 @@ main (gint	  argc,
   GeglEditor*	 node_editor = GEGL_EDITOR(editor);
 
   gegl_init(&argc, &argv);
+
+////////////////////////////////////////////CREATE OPERATION DIALOG///////////////////////////////////////////
+
+  GtkWidget* property_box = gtk_vbox_new(TRUE, 0);
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////
   
   //add some samples nodes
   GeglNode		*gegl  = gegl_node_new();
-  GeglEditorLayer*	 layer = layer_create(node_editor, gegl);
+  GeglEditorLayer*	 layer = layer_create(node_editor, gegl, property_box);
 
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
   gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
@@ -69,9 +75,6 @@ main (gint	  argc,
   gtk_widget_show(vbox);
   gtk_container_add(GTK_CONTAINER(window), vbox);
 
-////////////////////////////////////////////ADD OPERATION DIALOG//////////////////////////////////////////////
-
-  
 
 /////////////////////////////////////////////////BUILD MENUBAR////////////////////////////////////////////////
  
@@ -104,10 +107,20 @@ main (gint	  argc,
   gtk_menu_shell_append(GTK_MENU_SHELL(graph_menu), add_operation);
   gtk_menu_shell_append(GTK_MENU_SHELL(menubar), graph);
 
+
+////////////////////////////////////////////HORIZONTAL PANE///////////////////////////////////////////////////
+
+  GtkWidget* pane = gtk_hpaned_new();
+  gtk_paned_set_position(GTK_PANED(pane), 200);
+
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
   gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
-  gtk_box_pack_start(GTK_BOX(vbox), editor, TRUE, TRUE, 0);
+  gtk_box_pack_start(GTK_BOX(vbox), pane, TRUE, TRUE, 0);
+
+  gtk_paned_pack1(GTK_PANED(pane), property_box, TRUE, FALSE);
+  gtk_paned_pack2(GTK_PANED(pane), editor, TRUE, TRUE);
+
   gtk_widget_show_all(window);
 
 ////////////////////////////////////////////GEGL OPERATIONS///////////////////////////////////////////////////