Move select similar to its own file

3 files changed, 342 insertions, 260 deletions

diff --git a/source/blender/editors/mesh/CMakeLists.txt b/source/blender/editors/mesh/CMakeLists.txt
index 7dfdf0729c0..4cefbf21c24 100644
--- a/source/blender/editors/mesh/CMakeLists.txt
+++ b/source/blender/editors/mesh/CMakeLists.txt
@@ -63,6 +63,7 @@ set(SRC
 	editmesh_rip.c
 	editmesh_rip_edge.c
 	editmesh_select.c
+	editmesh_select_similar.c
 	editmesh_tools.c
 	editmesh_undo.c
 	editmesh_utils.c
diff --git a/source/blender/editors/mesh/editmesh_select.c b/source/blender/editors/mesh/editmesh_select.c
index b3ea28b595b..ce564e10e60 100644
--- a/source/blender/editors/mesh/editmesh_select.c
+++ b/source/blender/editors/mesh/editmesh_select.c
@@ -1314,266 +1314,6 @@ bool EDBM_unified_findnearest_from_raycast(
 /** \} */
 
 /* -------------------------------------------------------------------- */
-/** \name Select Similar (Vert/Edge/Face) Operator
- * \{ */
-
-static const EnumPropertyItem prop_similar_compare_types[] = {
-	{SIM_CMP_EQ, "EQUAL", 0, "Equal", ""},
-	{SIM_CMP_GT, "GREATER", 0, "Greater", ""},
-	{SIM_CMP_LT, "LESS", 0, "Less", ""},
-
-	{0, NULL, 0, NULL, NULL}
-};
-
-static const EnumPropertyItem prop_similar_types[] = {
-	{SIMVERT_NORMAL, "NORMAL", 0, "Normal", ""},
-	{SIMVERT_FACE, "FACE", 0, "Amount of Adjacent Faces", ""},
-	{SIMVERT_VGROUP, "VGROUP", 0, "Vertex Groups", ""},
-	{SIMVERT_EDGE, "EDGE", 0, "Amount of connecting edges", ""},
-
-	{SIMEDGE_LENGTH, "LENGTH", 0, "Length", ""},
-	{SIMEDGE_DIR, "DIR", 0, "Direction", ""},
-	{SIMEDGE_FACE, "FACE", 0, "Amount of Faces Around an Edge", ""},
-	{SIMEDGE_FACE_ANGLE, "FACE_ANGLE", 0, "Face Angles", ""},
-	{SIMEDGE_CREASE, "CREASE", 0, "Crease", ""},
-	{SIMEDGE_BEVEL, "BEVEL", 0, "Bevel", ""},
-	{SIMEDGE_SEAM, "SEAM", 0, "Seam", ""},
-	{SIMEDGE_SHARP, "SHARP", 0, "Sharpness", ""},
-#ifdef WITH_FREESTYLE
-	{SIMEDGE_FREESTYLE, "FREESTYLE_EDGE", 0, "Freestyle Edge Marks", ""},
-#endif
-
-	{SIMFACE_MATERIAL, "MATERIAL", 0, "Material", ""},
-	{SIMFACE_AREA, "AREA", 0, "Area", ""},
-	{SIMFACE_SIDES, "SIDES", 0, "Polygon Sides", ""},
-	{SIMFACE_PERIMETER, "PERIMETER", 0, "Perimeter", ""},
-	{SIMFACE_NORMAL, "NORMAL", 0, "Normal", ""},
-	{SIMFACE_COPLANAR, "COPLANAR", 0, "Co-planar", ""},
-	{SIMFACE_SMOOTH, "SMOOTH", 0, "Flat/Smooth", ""},
-	{SIMFACE_FACEMAP, "FACE_MAP", 0, "Face-Map", ""},
-#ifdef WITH_FREESTYLE
-	{SIMFACE_FREESTYLE, "FREESTYLE_FACE", 0, "Freestyle Face Marks", ""},
-#endif
-
-	{0, NULL, 0, NULL, NULL}
-};
-
-/* selects new faces/edges/verts based on the existing selection */
-
-static int similar_face_select_exec(bContext *C, wmOperator *op)
-{
-	Object *ob = CTX_data_edit_object(C);
-	BMEditMesh *em = BKE_editmesh_from_object(ob);
-	BMOperator bmop;
-
-	/* get the type from RNA */
-	const int type = RNA_enum_get(op->ptr, "type");
-	const float thresh = RNA_float_get(op->ptr, "threshold");
-	const int compare = RNA_enum_get(op->ptr, "compare");
-
-	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
-	EDBM_op_init(em, &bmop, op,
-	             "similar_faces faces=%hf type=%i thresh=%f compare=%i",
-	             BM_ELEM_SELECT, type, thresh, compare);
-
-	/* execute the operator */
-	BMO_op_exec(em->bm, &bmop);
-
-	/* clear the existing selection */
-	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
-
-	/* select the output */
-	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "faces.out", BM_FACE, BM_ELEM_SELECT, true);
-
-	/* finish the operator */
-	if (!EDBM_op_finish(em, &bmop, op, true)) {
-		return OPERATOR_CANCELLED;
-	}
-
-	EDBM_update_generic(em, false, false);
-
-	return OPERATOR_FINISHED;
-}
-
-/* ***************************************************** */
-
-/* EDGE GROUP */
-
-/* wrap the above function but do selection flushing edge to face */
-static int similar_edge_select_exec(bContext *C, wmOperator *op)
-{
-	Object *ob = CTX_data_edit_object(C);
-	BMEditMesh *em = BKE_editmesh_from_object(ob);
-	BMOperator bmop;
-
-	/* get the type from RNA */
-	const int type = RNA_enum_get(op->ptr, "type");
-	const float thresh = RNA_float_get(op->ptr, "threshold");
-	const int compare = RNA_enum_get(op->ptr, "compare");
-
-	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
-	EDBM_op_init(em, &bmop, op,
-	             "similar_edges edges=%he type=%i thresh=%f compare=%i",
-	             BM_ELEM_SELECT, type, thresh, compare);
-
-	/* execute the operator */
-	BMO_op_exec(em->bm, &bmop);
-
-	/* clear the existing selection */
-	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
-
-	/* select the output */
-	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "edges.out", BM_EDGE, BM_ELEM_SELECT, true);
-	EDBM_selectmode_flush(em);
-
-	/* finish the operator */
-	if (!EDBM_op_finish(em, &bmop, op, true)) {
-		return OPERATOR_CANCELLED;
-	}
-
-	EDBM_update_generic(em, false, false);
-
-	return OPERATOR_FINISHED;
-}
-
-/* ********************************* */
-
-/*
- * VERT GROUP
- * mode 1: same normal
- * mode 2: same number of face users
- * mode 3: same vertex groups
- */
-static int similar_vert_select_exec(bContext *C, wmOperator *op)
-{
-	Object *ob = CTX_data_edit_object(C);
-	BMEditMesh *em = BKE_editmesh_from_object(ob);
-	BMOperator bmop;
-	/* get the type from RNA */
-	const int type = RNA_enum_get(op->ptr, "type");
-	const float thresh = RNA_float_get(op->ptr, "threshold");
-	const int compare = RNA_enum_get(op->ptr, "compare");
-
-	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
-	EDBM_op_init(em, &bmop, op,
-	             "similar_verts verts=%hv type=%i thresh=%f compare=%i",
-	             BM_ELEM_SELECT, type, thresh, compare);
-
-	/* execute the operator */
-	BMO_op_exec(em->bm, &bmop);
-
-	/* clear the existing selection */
-	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
-
-	/* select the output */
-	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "verts.out", BM_VERT, BM_ELEM_SELECT, true);
-
-	/* finish the operator */
-	if (!EDBM_op_finish(em, &bmop, op, true)) {
-		return OPERATOR_CANCELLED;
-	}
-
-	EDBM_selectmode_flush(em);
-
-	EDBM_update_generic(em, false, false);
-
-	return OPERATOR_FINISHED;
-}
-
-static int edbm_select_similar_exec(bContext *C, wmOperator *op)
-{
-	ToolSettings *ts = CTX_data_tool_settings(C);
-	PropertyRNA *prop = RNA_struct_find_property(op->ptr, "threshold");
-
-	const int type = RNA_enum_get(op->ptr, "type");
-
-	if (!RNA_property_is_set(op->ptr, prop)) {
-		RNA_property_float_set(op->ptr, prop, ts->select_thresh);
-	}
-	else {
-		ts->select_thresh = RNA_property_float_get(op->ptr, prop);
-	}
-
-	if      (type < 100) return similar_vert_select_exec(C, op);
-	else if (type < 200) return similar_edge_select_exec(C, op);
-	else                 return similar_face_select_exec(C, op);
-}
-
-static const EnumPropertyItem *select_similar_type_itemf(
-        bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop),
-        bool *r_free)
-{
-	Object *obedit;
-
-	if (!C) /* needed for docs and i18n tools */
-		return prop_similar_types;
-
-	obedit = CTX_data_edit_object(C);
-
-	if (obedit && obedit->type == OB_MESH) {
-		EnumPropertyItem *item = NULL;
-		int a, totitem = 0;
-		BMEditMesh *em = BKE_editmesh_from_object(obedit);
-
-		if (em->selectmode & SCE_SELECT_VERTEX) {
-			for (a = SIMVERT_NORMAL; a < SIMEDGE_LENGTH; a++) {
-				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
-			}
-		}
-		else if (em->selectmode & SCE_SELECT_EDGE) {
-			for (a = SIMEDGE_LENGTH; a < SIMFACE_MATERIAL; a++) {
-				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
-			}
-		}
-		else if (em->selectmode & SCE_SELECT_FACE) {
-#ifdef WITH_FREESTYLE
-			const int a_end = SIMFACE_FREESTYLE;
-#else
-			const int a_end = SIMFACE_FACEMAP;
-#endif
-			for (a = SIMFACE_MATERIAL; a <= a_end; a++) {
-				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
-			}
-		}
-		RNA_enum_item_end(&item, &totitem);
-
-		*r_free = true;
-
-		return item;
-	}
-
-	return prop_similar_types;
-}
-
-void MESH_OT_select_similar(wmOperatorType *ot)
-{
-	PropertyRNA *prop;
-
-	/* identifiers */
-	ot->name = "Select Similar";
-	ot->idname = "MESH_OT_select_similar";
-	ot->description = "Select similar vertices, edges or faces by property types";
-
-	/* api callbacks */
-	ot->invoke = WM_menu_invoke;
-	ot->exec = edbm_select_similar_exec;
-	ot->poll = ED_operator_editmesh;
-
-	/* flags */
-	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
-
-	/* properties */
-	prop = ot->prop = RNA_def_enum(ot->srna, "type", prop_similar_types, SIMVERT_NORMAL, "Type", "");
-	RNA_def_enum_funcs(prop, select_similar_type_itemf);
-
-	RNA_def_enum(ot->srna, "compare", prop_similar_compare_types, SIM_CMP_EQ, "Compare", "");
-
-	RNA_def_float(ot->srna, "threshold", 0.0f, 0.0f, 1.0f, "Threshold", "", 0.0f, 1.0f);
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
 /** \name Select Similar Region Operator
  * \{ */
 
diff --git a/source/blender/editors/mesh/editmesh_select_similar.c b/source/blender/editors/mesh/editmesh_select_similar.c
new file mode 100644
index 00000000000..ea96ec1a1ee
--- /dev/null
+++ b/source/blender/editors/mesh/editmesh_select_similar.c
@@ -0,0 +1,341 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2004 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/mesh/editmesh_select_similar.c
+ *  \ingroup edmesh
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_bitmap.h"
+#include "BLI_bitmap_draw_2d.h"
+#include "BLI_listbase.h"
+#include "BLI_linklist.h"
+#include "BLI_linklist_stack.h"
+#include "BLI_math.h"
+#include "BLI_math_bits.h"
+#include "BLI_rand.h"
+#include "BLI_array.h"
+
+#include "BKE_context.h"
+#include "BKE_report.h"
+#include "BKE_paint.h"
+#include "BKE_editmesh.h"
+#include "BKE_layer.h"
+
+#include "IMB_imbuf_types.h"
+#include "IMB_imbuf.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "RNA_access.h"
+#include "RNA_define.h"
+#include "RNA_enum_types.h"
+
+#include "ED_object.h"
+#include "ED_mesh.h"
+#include "ED_screen.h"
+#include "ED_transform.h"
+#include "ED_select_utils.h"
+#include "ED_view3d.h"
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_object_types.h"
+
+#include "UI_resources.h"
+
+#include "bmesh_tools.h"
+
+#include "DEG_depsgraph.h"
+#include "DEG_depsgraph_query.h"
+
+#include "mesh_intern.h"  /* own include */
+
+/* use bmesh operator flags for a few operators */
+#define BMO_ELE_TAG 1
+
+/* -------------------------------------------------------------------- */
+/** \name Select Similar (Vert/Edge/Face) Operator
+ * \{ */
+
+static const EnumPropertyItem prop_similar_compare_types[] = {
+	{SIM_CMP_EQ, "EQUAL", 0, "Equal", ""},
+	{SIM_CMP_GT, "GREATER", 0, "Greater", ""},
+	{SIM_CMP_LT, "LESS", 0, "Less", ""},
+
+	{0, NULL, 0, NULL, NULL}
+};
+
+static const EnumPropertyItem prop_similar_types[] = {
+	{SIMVERT_NORMAL, "NORMAL", 0, "Normal", ""},
+	{SIMVERT_FACE, "FACE", 0, "Amount of Adjacent Faces", ""},
+	{SIMVERT_VGROUP, "VGROUP", 0, "Vertex Groups", ""},
+	{SIMVERT_EDGE, "EDGE", 0, "Amount of connecting edges", ""},
+
+	{SIMEDGE_LENGTH, "LENGTH", 0, "Length", ""},
+	{SIMEDGE_DIR, "DIR", 0, "Direction", ""},
+	{SIMEDGE_FACE, "FACE", 0, "Amount of Faces Around an Edge", ""},
+	{SIMEDGE_FACE_ANGLE, "FACE_ANGLE", 0, "Face Angles", ""},
+	{SIMEDGE_CREASE, "CREASE", 0, "Crease", ""},
+	{SIMEDGE_BEVEL, "BEVEL", 0, "Bevel", ""},
+	{SIMEDGE_SEAM, "SEAM", 0, "Seam", ""},
+	{SIMEDGE_SHARP, "SHARP", 0, "Sharpness", ""},
+#ifdef WITH_FREESTYLE
+	{SIMEDGE_FREESTYLE, "FREESTYLE_EDGE", 0, "Freestyle Edge Marks", ""},
+#endif
+
+	{SIMFACE_MATERIAL, "MATERIAL", 0, "Material", ""},
+	{SIMFACE_AREA, "AREA", 0, "Area", ""},
+	{SIMFACE_SIDES, "SIDES", 0, "Polygon Sides", ""},
+	{SIMFACE_PERIMETER, "PERIMETER", 0, "Perimeter", ""},
+	{SIMFACE_NORMAL, "NORMAL", 0, "Normal", ""},
+	{SIMFACE_COPLANAR, "COPLANAR", 0, "Co-planar", ""},
+	{SIMFACE_SMOOTH, "SMOOTH", 0, "Flat/Smooth", ""},
+	{SIMFACE_FACEMAP, "FACE_MAP", 0, "Face-Map", ""},
+#ifdef WITH_FREESTYLE
+	{SIMFACE_FREESTYLE, "FREESTYLE_FACE", 0, "Freestyle Face Marks", ""},
+#endif
+
+	{0, NULL, 0, NULL, NULL}
+};
+
+/* selects new faces/edges/verts based on the existing selection */
+
+static int similar_face_select_exec(bContext *C, wmOperator *op)
+{
+	Object *ob = CTX_data_edit_object(C);
+	BMEditMesh *em = BKE_editmesh_from_object(ob);
+	BMOperator bmop;
+
+	/* get the type from RNA */
+	const int type = RNA_enum_get(op->ptr, "type");
+	const float thresh = RNA_float_get(op->ptr, "threshold");
+	const int compare = RNA_enum_get(op->ptr, "compare");
+
+	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
+	EDBM_op_init(em, &bmop, op,
+	             "similar_faces faces=%hf type=%i thresh=%f compare=%i",
+	             BM_ELEM_SELECT, type, thresh, compare);
+
+	/* execute the operator */
+	BMO_op_exec(em->bm, &bmop);
+
+	/* clear the existing selection */
+	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
+
+	/* select the output */
+	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "faces.out", BM_FACE, BM_ELEM_SELECT, true);
+
+	/* finish the operator */
+	if (!EDBM_op_finish(em, &bmop, op, true)) {
+		return OPERATOR_CANCELLED;
+	}
+
+	EDBM_update_generic(em, false, false);
+
+	return OPERATOR_FINISHED;
+}
+
+/* ***************************************************** */
+
+/* EDGE GROUP */
+
+/* wrap the above function but do selection flushing edge to face */
+static int similar_edge_select_exec(bContext *C, wmOperator *op)
+{
+	Object *ob = CTX_data_edit_object(C);
+	BMEditMesh *em = BKE_editmesh_from_object(ob);
+	BMOperator bmop;
+
+	/* get the type from RNA */
+	const int type = RNA_enum_get(op->ptr, "type");
+	const float thresh = RNA_float_get(op->ptr, "threshold");
+	const int compare = RNA_enum_get(op->ptr, "compare");
+
+	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
+	EDBM_op_init(em, &bmop, op,
+	             "similar_edges edges=%he type=%i thresh=%f compare=%i",
+	             BM_ELEM_SELECT, type, thresh, compare);
+
+	/* execute the operator */
+	BMO_op_exec(em->bm, &bmop);
+
+	/* clear the existing selection */
+	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
+
+	/* select the output */
+	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "edges.out", BM_EDGE, BM_ELEM_SELECT, true);
+	EDBM_selectmode_flush(em);
+
+	/* finish the operator */
+	if (!EDBM_op_finish(em, &bmop, op, true)) {
+		return OPERATOR_CANCELLED;
+	}
+
+	EDBM_update_generic(em, false, false);
+
+	return OPERATOR_FINISHED;
+}
+
+/* ********************************* */
+
+/*
+ * VERT GROUP
+ * mode 1: same normal
+ * mode 2: same number of face users
+ * mode 3: same vertex groups
+ */
+static int similar_vert_select_exec(bContext *C, wmOperator *op)
+{
+	Object *ob = CTX_data_edit_object(C);
+	BMEditMesh *em = BKE_editmesh_from_object(ob);
+	BMOperator bmop;
+	/* get the type from RNA */
+	const int type = RNA_enum_get(op->ptr, "type");
+	const float thresh = RNA_float_get(op->ptr, "threshold");
+	const int compare = RNA_enum_get(op->ptr, "compare");
+
+	/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
+	EDBM_op_init(em, &bmop, op,
+	             "similar_verts verts=%hv type=%i thresh=%f compare=%i",
+	             BM_ELEM_SELECT, type, thresh, compare);
+
+	/* execute the operator */
+	BMO_op_exec(em->bm, &bmop);
+
+	/* clear the existing selection */
+	EDBM_flag_disable_all(em, BM_ELEM_SELECT);
+
+	/* select the output */
+	BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "verts.out", BM_VERT, BM_ELEM_SELECT, true);
+
+	/* finish the operator */
+	if (!EDBM_op_finish(em, &bmop, op, true)) {
+		return OPERATOR_CANCELLED;
+	}
+
+	EDBM_selectmode_flush(em);
+
+	EDBM_update_generic(em, false, false);
+
+	return OPERATOR_FINISHED;
+}
+
+static int edbm_select_similar_exec(bContext *C, wmOperator *op)
+{
+	ToolSettings *ts = CTX_data_tool_settings(C);
+	PropertyRNA *prop = RNA_struct_find_property(op->ptr, "threshold");
+
+	const int type = RNA_enum_get(op->ptr, "type");
+
+	if (!RNA_property_is_set(op->ptr, prop)) {
+		RNA_property_float_set(op->ptr, prop, ts->select_thresh);
+	}
+	else {
+		ts->select_thresh = RNA_property_float_get(op->ptr, prop);
+	}
+
+	if      (type < 100) return similar_vert_select_exec(C, op);
+	else if (type < 200) return similar_edge_select_exec(C, op);
+	else                 return similar_face_select_exec(C, op);
+}
+
+static const EnumPropertyItem *select_similar_type_itemf(
+        bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop),
+        bool *r_free)
+{
+	Object *obedit;
+
+	if (!C) /* needed for docs and i18n tools */
+		return prop_similar_types;
+
+	obedit = CTX_data_edit_object(C);
+
+	if (obedit && obedit->type == OB_MESH) {
+		EnumPropertyItem *item = NULL;
+		int a, totitem = 0;
+		BMEditMesh *em = BKE_editmesh_from_object(obedit);
+
+		if (em->selectmode & SCE_SELECT_VERTEX) {
+			for (a = SIMVERT_NORMAL; a < SIMEDGE_LENGTH; a++) {
+				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
+			}
+		}
+		else if (em->selectmode & SCE_SELECT_EDGE) {
+			for (a = SIMEDGE_LENGTH; a < SIMFACE_MATERIAL; a++) {
+				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
+			}
+		}
+		else if (em->selectmode & SCE_SELECT_FACE) {
+#ifdef WITH_FREESTYLE
+			const int a_end = SIMFACE_FREESTYLE;
+#else
+			const int a_end = SIMFACE_FACEMAP;
+#endif
+			for (a = SIMFACE_MATERIAL; a <= a_end; a++) {
+				RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
+			}
+		}
+		RNA_enum_item_end(&item, &totitem);
+
+		*r_free = true;
+
+		return item;
+	}
+
+	return prop_similar_types;
+}
+
+void MESH_OT_select_similar(wmOperatorType *ot)
+{
+	PropertyRNA *prop;
+
+	/* identifiers */
+	ot->name = "Select Similar";
+	ot->idname = "MESH_OT_select_similar";
+	ot->description = "Select similar vertices, edges or faces by property types";
+
+	/* api callbacks */
+	ot->invoke = WM_menu_invoke;
+	ot->exec = edbm_select_similar_exec;
+	ot->poll = ED_operator_editmesh;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	/* properties */
+	prop = ot->prop = RNA_def_enum(ot->srna, "type", prop_similar_types, SIMVERT_NORMAL, "Type", "");
+	RNA_def_enum_funcs(prop, select_similar_type_itemf);
+
+	RNA_def_enum(ot->srna, "compare", prop_similar_compare_types, SIM_CMP_EQ, "Compare", "");
+
+	RNA_def_float(ot->srna, "threshold", 0.0f, 0.0f, 1.0f, "Threshold", "", 0.0f, 1.0f);
+}
+
+/** \} */