OUTLINER_OT_material_drop -- Drag & Drop materials onto objects in the outliner

Adds the material at materials + 1 unlike the DnD view3d one which replaces the first one

1 files changed, 30 insertions, 0 deletions

diff --git a/source/blender/editors/space_outliner/space_outliner.c b/source/blender/editors/space_outliner/space_outliner.c
index c78be8bd223..489a4efe891 100644
--- a/source/blender/editors/space_outliner/space_outliner.c
+++ b/source/blender/editors/space_outliner/space_outliner.c
@@ -194,6 +194,35 @@ static void outliner_scene_drop_copy(wmDrag *drag, wmDropBox *drop)
 	RNA_string_set(drop->ptr, "object", id->name + 2);
 }
 
+static int outliner_material_drop_poll(bContext *C, wmDrag *drag, wmEvent *event)
+{
+	ARegion *ar = CTX_wm_region(C);
+	SpaceOops *soops = CTX_wm_space_outliner(C);
+	TreeElement *te = NULL;
+	float fmval[2];
+	UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &fmval[0], &fmval[1]);
+
+	if (drag->type == WM_DRAG_ID) {
+		ID *id = (ID *)drag->poin;
+		if (GS(id->name) == ID_MA) {
+			/* Ensure item under cursor is valid drop target */
+			/* Find object hovered over */
+			for (te = soops->tree.first; te; te = te->next) {
+				if (outliner_dropzone_parent(C, event, te, fmval))
+					return 1;
+			}
+		}
+	}
+	return 0;
+}
+
+static void outliner_material_drop_copy(wmDrag *drag, wmDropBox *drop)
+{
+	ID *id = (ID *)drag->poin;
+
+	RNA_string_set(drop->ptr, "material", id->name + 2);
+}
+
 /* region dropbox definition */
 static void outliner_dropboxes(void)
 {
@@ -202,6 +231,7 @@ static void outliner_dropboxes(void)
 	WM_dropbox_add(lb, "OUTLINER_OT_parent_drop", outliner_parent_drop_poll, outliner_parent_drop_copy);
 	WM_dropbox_add(lb, "OUTLINER_OT_parent_clear", outliner_parent_clear_poll, outliner_parent_clear_copy);
 	WM_dropbox_add(lb, "OUTLINER_OT_scene_drop", outliner_scene_drop_poll, outliner_scene_drop_copy);
+	WM_dropbox_add(lb, "OUTLINER_OT_material_drop", outliner_material_drop_poll, outliner_material_drop_copy);
 }
 
 static void outliner_main_area_draw(const bContext *C, ARegion *ar)