GPencil: Initial support for Grease Pencil in the Outliner

This commit just adds entries for the Grease Pencil datablocks in the Outliner.
Currently, there's not much more to see here, but the following commits will see
to that.

2 files changed, 21 insertions, 0 deletions

diff --git a/source/blender/editors/space_outliner/outliner_draw.c b/source/blender/editors/space_outliner/outliner_draw.c
index 1aa3fc26f6f..f604679e12c 100644
--- a/source/blender/editors/space_outliner/outliner_draw.c
+++ b/source/blender/editors/space_outliner/outliner_draw.c
@@ -1167,6 +1167,8 @@ static void tselem_draw_icon(uiBlock *block, int xmax, float x, float y, TreeSto
 				tselem_draw_icon_uibut(&arg, ICON_LIBRARY_DATA_DIRECT); break;
 			case ID_LS:
 				tselem_draw_icon_uibut(&arg, ICON_LINE_DATA); break;
+			case ID_GD:
+				tselem_draw_icon_uibut(&arg, ICON_GREASEPENCIL); break;
 		}
 	}
 }
diff --git a/source/blender/editors/space_outliner/outliner_tree.c b/source/blender/editors/space_outliner/outliner_tree.c
index c7cd4fa29d1..8a4b6f1444e 100644
--- a/source/blender/editors/space_outliner/outliner_tree.c
+++ b/source/blender/editors/space_outliner/outliner_tree.c
@@ -38,6 +38,7 @@
 #include "DNA_armature_types.h"
 #include "DNA_constraint_types.h"
 #include "DNA_camera_types.h"
+#include "DNA_gpencil_types.h"
 #include "DNA_group_types.h"
 #include "DNA_key_types.h"
 #include "DNA_lamp_types.h"
@@ -430,6 +431,8 @@ static void outliner_add_scene_contents(SpaceOops *soops, ListBase *lb, Scene *s
 	// TODO: move this to the front?
 	if (outliner_animdata_test(sce->adt))
 		outliner_add_element(soops, lb, sce, te, TSE_ANIM_DATA, 0);
+		
+	outliner_add_element(soops, lb, sce->gpd, te, 0, 0);
 	
 	outliner_add_element(soops,  lb, sce->world, te, 0, 0);
 
@@ -451,6 +454,8 @@ static void outliner_add_object_contents(SpaceOops *soops, TreeElement *te, Tree
 	
 	if (ob->proxy && ob->id.lib == NULL)
 		outliner_add_element(soops, &te->subtree, ob->proxy, te, TSE_PROXY, 0);
+		
+	outliner_add_element(soops, &te->subtree, ob->gpd, te, 0, 0);
 	
 	outliner_add_element(soops, &te->subtree, ob->data, te, 0, 0);
 	
@@ -809,6 +814,20 @@ static void outliner_add_id_contents(SpaceOops *soops, TreeElement *te, TreeStor
 			}
 			break;
 		}
+		case ID_GD:
+		{
+			bGPdata *gpd = (bGPdata *)id;
+			bGPDlayer *gpl;
+			int a = 0;
+			
+			if (outliner_animdata_test(gpd->adt))
+				outliner_add_element(soops, &te->subtree, gpd, te, TSE_ANIM_DATA, 0);
+				
+			for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
+				// TODO
+				a++;
+			}
+		}
 	}
 }