[Bf-blender-cvs] [ce1670b] soc-2016-uv_tools: WIP: Added "select shortest path" operator for UVs

[Phil Gosch]

Commit: ce1670be25c7ee08ab6251463e2ae6fb07edecdb
Author: Phil Gosch
Date:   Tue May 24 16:27:42 2016 +0200
Branches: soc-2016-uv_tools
https://developer.blender.org/rBce1670be25c7ee08ab6251463e2ae6fb07edecdb

WIP: Added "select shortest path" operator for UVs

Main functionality still missing, calls mesh-tool for selecting shortest path if Sync Selection is checked

===================================================================

M	source/blender/editors/include/ED_mesh.h
M	source/blender/editors/mesh/editmesh_path.c
M	source/blender/editors/uvedit/uvedit_ops.c

===================================================================

diff --git a/source/blender/editors/include/ED_mesh.h b/source/blender/editors/include/ED_mesh.h
index de798b1..6b1e305 100644
--- a/source/blender/editors/include/ED_mesh.h
+++ b/source/blender/editors/include/ED_mesh.h
@@ -128,6 +128,9 @@ void EDBM_flag_disable_all(struct BMEditMesh *em, const char hflag);
 bool BMBVH_EdgeVisible(struct BMBVHTree *tree, struct BMEdge *e,
                        struct ARegion *ar, struct View3D *v3d, struct Object *obedit);
 
+/* editmesh_path.c*/
+int EDBM_shortest_path_select(struct bContext *C, struct wmOperator *op);
+
 /* editmesh_select.c */
 void EDBM_select_mirrored(
         struct BMEditMesh *em, const int axis, const bool extend,
diff --git a/source/blender/editors/mesh/editmesh_path.c b/source/blender/editors/mesh/editmesh_path.c
index 4431712..a044cb2 100644
--- a/source/blender/editors/mesh/editmesh_path.c
+++ b/source/blender/editors/mesh/editmesh_path.c
@@ -779,6 +779,11 @@ static int edbm_shortest_path_select_exec(bContext *C, wmOperator *op)
 	}
 }
 
+int EDBM_shortest_path_select(struct bContext *C, struct wmOperator *op)
+{
+	return edbm_shortest_path_select_exec(C, op);
+}
+
 void MESH_OT_shortest_path_select(wmOperatorType *ot)
 {
 	/* identifiers */
diff --git a/source/blender/editors/uvedit/uvedit_ops.c b/source/blender/editors/uvedit/uvedit_ops.c
index 193b006..6a6e746 100644
--- a/source/blender/editors/uvedit/uvedit_ops.c
+++ b/source/blender/editors/uvedit/uvedit_ops.c
@@ -1472,6 +1472,36 @@ static void UV_OT_select_less(wmOperatorType *ot)
 	ot->poll = ED_operator_uvedit_space_image;
 }
 
+/*********************** shortest path ***********************/
+static int uv_shortest_path_exec(bContext *C, wmOperator *op)
+{
+	Scene *scene = CTX_data_scene(C);
+	Object *obedit = CTX_data_edit_object(C);
+	ToolSettings *ts = scene->toolsettings;
+	BMEditMesh *em = BKE_editmesh_from_object(obedit);	
+
+	if (ts->uv_flag & UV_SYNC_SELECTION) {
+		return EDBM_shortest_path_select(C, op);
+	}
+		 
+	/* TODO(SaphireS): implementation of operator based on UV islands*/
+
+	return OPERATOR_FINISHED;
+}
+
+static void UV_OT_shortest_path(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Select Shortest Path";
+	ot->description = "Select the shortest path between the current selection";
+	ot->idname = "UV_OT_shortest_path";
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+	
+	/* api callbacks */
+	ot->exec = uv_shortest_path_exec;
+	ot->poll = ED_operator_uvedit_space_image;
+}
+
 /* ******************** align operator **************** */
 
 static void uv_weld_align(bContext *C, int tool)
@@ -4246,6 +4276,7 @@ void ED_operatortypes_uvedit(void)
 	WM_operatortype_append(UV_OT_circle_select);
 	WM_operatortype_append(UV_OT_select_more);
 	WM_operatortype_append(UV_OT_select_less);
+	WM_operatortype_append(UV_OT_shortest_path);
 
 	WM_operatortype_append(UV_OT_snap_cursor);
 	WM_operatortype_append(UV_OT_snap_selected);