code cleanup and minor changes

- use DummyRNA_NULL_items to replace empty enums.
- replace calloc with malloc in copy_dverts since its copied over after.
- add wmGesture->userdata, so operators that use gestures have somewhere to store their own data (not used yet).

source/blender/blenkernel/BKE_mesh.h

@@ -152,7 +152,7 @@ void BKE_mesh_from_nurbs_displist(struct Object *ob, struct ListBase *dispbase,
                                   int **orco_index_ptr);
 void BKE_mesh_from_curve(struct Scene *scene, struct Object *ob);
 void free_dverts(struct MDeformVert *dvert, int totvert);
-void copy_dverts(struct MDeformVert *dst, struct MDeformVert *src, int totvert); /* __NLA */
+void copy_dverts(struct MDeformVert *dst, const struct MDeformVert *src, int totvert);
 void BKE_mesh_delete_material_index(struct Mesh *me, short index);
 void BKE_mesh_smooth_flag_set(struct Object *meshOb, int enableSmooth);
 void BKE_mesh_convert_mfaces_to_mpolys(struct Mesh *mesh);

source/blender/blenkernel/intern/mesh.c

@@ -430,7 +430,7 @@ void BKE_mesh_free(Mesh *me, int unlink)
 	if (me->edit_btmesh) MEM_freeN(me->edit_btmesh);
 }
 
-void copy_dverts(MDeformVert *dst, MDeformVert *src, int copycount)
+void copy_dverts(MDeformVert *dst, const MDeformVert *src, int copycount)
 {
 	/* Assumes dst is already set up */
 	int i;
@@ -442,7 +442,7 @@ void copy_dverts(MDeformVert *dst, MDeformVert *src, int copycount)
 	
 	for (i = 0; i < copycount; i++) {
 		if (src[i].dw) {
-			dst[i].dw = MEM_callocN(sizeof(MDeformWeight) * src[i].totweight, "copy_deformWeight");
+			dst[i].dw = MEM_mallocN(sizeof(MDeformWeight) * src[i].totweight, "copy_deformWeight");
 			memcpy(dst[i].dw, src[i].dw, sizeof(MDeformWeight) * src[i].totweight);
 		}
 	}

source/blender/editors/armature/poselib.c

@@ -687,9 +687,6 @@ static int poselib_rename_exec(bContext *C, wmOperator *op)
 void POSELIB_OT_pose_rename(wmOperatorType *ot)
 {
 	PropertyRNA *prop;
-	static EnumPropertyItem prop_poses_dummy_types[] = {
-		{0, NULL, 0, NULL, NULL}
-	};
 	
 	/* identifiers */
 	ot->name = "PoseLib Rename Pose";
@@ -707,7 +704,7 @@ void POSELIB_OT_pose_rename(wmOperatorType *ot)
 	/* properties */
 	/* NOTE: name not pose is the operator's "main" property, so that it will get activated in the popup for easy renaming */
 	ot->prop = RNA_def_string(ot->srna, "name", "RenamedPose", 64, "New Pose Name", "New name for pose");
-	prop = RNA_def_enum(ot->srna, "pose", prop_poses_dummy_types, 0, "Pose", "The pose to rename");
+	prop = RNA_def_enum(ot->srna, "pose", DummyRNA_NULL_items, 0, "Pose", "The pose to rename");
 	RNA_def_enum_funcs(prop, poselib_stored_pose_itemf);
 }
 

source/blender/editors/interface/view2d_ops.c

@@ -1020,7 +1020,7 @@ static int view_zoomdrag_modal(bContext *C, wmOperator *op, wmEvent *event)
 			
 			/* y-axis transform */
 			dist = BLI_rcti_size_y(&v2d->mask) / 2.0f;
-			dy = 1.0f - (fabsf(vzd->lasty - vzd->ar->winrct.ymin- dist) + 2.0f) / (fabsf(event->mval[1] - dist) + 2.0f);
+			dy = 1.0f - (fabsf(vzd->lasty - vzd->ar->winrct.ymin - dist) + 2.0f) / (fabsf(event->mval[1] - dist) + 2.0f);
 			dy *= 0.5f * BLI_rctf_size_y(&v2d->cur);
 		}
 		else {

source/blender/editors/mesh/editmesh_tools.c

@@ -40,6 +40,7 @@
 
 #include "RNA_define.h"
 #include "RNA_access.h"
+#include "RNA_enum_types.h"
 
 #include "BLI_blenlib.h"
 #include "BLI_noise.h"
@@ -2528,7 +2529,6 @@ static void edbm_blend_from_shape_ui(bContext *C, wmOperator *op)
 void MESH_OT_blend_from_shape(wmOperatorType *ot)
 {
 	PropertyRNA *prop;
-	static EnumPropertyItem shape_items[] = {{0, NULL, 0, NULL, NULL}};
 
 	/* identifiers */
 	ot->name = "Blend From Shape";
@@ -2545,7 +2545,7 @@ void MESH_OT_blend_from_shape(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	/* properties */
-	prop = RNA_def_enum(ot->srna, "shape", shape_items, 0, "Shape", "Shape key to use for blending");
+	prop = RNA_def_enum(ot->srna, "shape", DummyRNA_NULL_items, 0, "Shape", "Shape key to use for blending");
 	RNA_def_enum_funcs(prop, shape_itemf);
 	RNA_def_float(ot->srna, "blend", 1.0f, -FLT_MAX, FLT_MAX, "Blend", "Blending factor", -2.0f, 2.0f);
 	RNA_def_boolean(ot->srna, "add", 1, "Add", "Add rather than blend between shapes");

source/blender/editors/object/object_edit.c

@@ -1676,10 +1676,6 @@ static EnumPropertyItem game_properties_copy_operations[] = {
 	{0, NULL, 0, NULL, NULL}
 };
 
-static EnumPropertyItem gameprops_items[] = {
-	{0, NULL, 0, NULL, NULL}
-};
-
 static EnumPropertyItem *gameprops_itemf(bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop), int *free)
 {	
 	Object *ob = ED_object_active_context(C);
@@ -1689,7 +1685,7 @@ static EnumPropertyItem *gameprops_itemf(bContext *C, PointerRNA *UNUSED(ptr), P
 	int a, totitem = 0;
 	
 	if (!ob)
-		return gameprops_items;
+		return DummyRNA_NULL_items;
 
 	for (a = 1, prop = ob->prop.first; prop; prop = prop->next, a++) {
 		tmp.value = a;
@@ -1760,7 +1756,7 @@ void OBJECT_OT_game_property_copy(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	RNA_def_enum(ot->srna, "operation", game_properties_copy_operations, 3, "Operation", "");
-	prop = RNA_def_enum(ot->srna, "property", gameprops_items, 0, "Property", "Properties to copy");
+	prop = RNA_def_enum(ot->srna, "property", DummyRNA_NULL_items, 0, "Property", "Properties to copy");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 	RNA_def_enum_funcs(prop, gameprops_itemf);
 	ot->prop = prop;

source/blender/editors/object/object_vgroup.c

@@ -65,6 +65,7 @@
 
 #include "RNA_access.h"
 #include "RNA_define.h"
+#include "RNA_enum_types.h"
 
 #include "WM_api.h"
 #include "WM_types.h"
@@ -3369,10 +3370,6 @@ void OBJECT_OT_vertex_group_transfer_weight(wmOperatorType *ot)
 	ot->prop = RNA_def_enum(ot->srna, "WT_replace_mode", WT_replace_mode_item, 1, "Replace", "");
 }
 
-static EnumPropertyItem vgroup_items[] = {
-	{0, NULL, 0, NULL, NULL}
-};
-
 static int set_active_group_exec(bContext *C, wmOperator *op)
 {
 	Object *ob = ED_object_context(C);
@@ -3396,7 +3393,7 @@ static EnumPropertyItem *vgroup_itemf(bContext *C, PointerRNA *UNUSED(ptr), Prop
 	int a, totitem = 0;
 	
 	if (!ob)
-		return vgroup_items;
+		return DummyRNA_NULL_items;
 	
 	for (a = 0, def = ob->defbase.first; def; def = def->next, a++) {
 		tmp.value = a;
@@ -3430,7 +3427,7 @@ void OBJECT_OT_vertex_group_set_active(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	/* properties */
-	prop = RNA_def_enum(ot->srna, "group", vgroup_items, 0, "Group", "Vertex group to set as active");
+	prop = RNA_def_enum(ot->srna, "group", DummyRNA_NULL_items, 0, "Group", "Vertex group to set as active");
 	RNA_def_enum_funcs(prop, vgroup_itemf);
 	ot->prop = prop;
 }

source/blender/editors/sculpt_paint/paint_vertex.c

@@ -402,12 +402,28 @@ static int wpaint_mirror_vgroup_ensure(Object *ob, const int vgroup_active)
 	return -1;
 }
 
-static void copy_vpaint_prev(VPaint *vp, unsigned int *lcol, int tot)
+static void free_vpaint_prev(VPaint *vp)
 {
 	if (vp->vpaint_prev) {
 		MEM_freeN(vp->vpaint_prev);
 		vp->vpaint_prev = NULL;
+		vp->tot = 0;
 	}
+}
+
+static void free_wpaint_prev(VPaint *vp)
+{
+	if (vp->wpaint_prev) {
+		MEM_freeN(vp->wpaint_prev);
+		vp->wpaint_prev = NULL;
+		vp->tot = 0;
+	}
+}
+
+static void copy_vpaint_prev(VPaint *vp, unsigned int *lcol, int tot)
+{
+	free_vpaint_prev(vp);
+
 	vp->tot = tot;
 	
 	if (lcol == NULL || tot == 0) return;
@@ -419,10 +435,7 @@ static void copy_vpaint_prev(VPaint *vp, unsigned int *lcol, int tot)
 
 static void copy_wpaint_prev(VPaint *wp, MDeformVert *dverts, int dcount)
 {
-	if (wp->wpaint_prev) {
-		free_dverts(wp->wpaint_prev, wp->tot);
-		wp->wpaint_prev = NULL;
-	}
+	free_wpaint_prev(wp);
 	
 	if (dverts && dcount) {
 		
@@ -432,7 +445,6 @@ static void copy_wpaint_prev(VPaint *wp, MDeformVert *dverts, int dcount)
 	}
 }
 
-
 void vpaint_fill(Object *ob, unsigned int paintcol)
 {
 	Mesh *me;

source/blender/editors/space_outliner/outliner_tools.c

@@ -764,7 +764,7 @@ static EnumPropertyItem prop_id_op_types[] = {
 	{OUTLINER_IDOP_LOCAL, "LOCAL", 0, "Make Local", ""},
 	{OUTLINER_IDOP_SINGLE, "SINGLE", 0, "Make Single User", ""},
 	{OUTLINER_IDOP_FAKE_ADD, "ADD_FAKE", 0, "Add Fake User",
-     "Ensure datablock gets saved even if it isn't in use (e.g. for motion and material libraries)"},
+	 "Ensure datablock gets saved even if it isn't in use (e.g. for motion and material libraries)"},
 	{OUTLINER_IDOP_FAKE_CLEAR, "CLEAR_FAKE", 0, "Clear Fake User", ""},
 	{OUTLINER_IDOP_RENAME, "RENAME", 0, "Rename", ""},
 	{OUTLINER_IDOP_SELECT_LINKED, "SELECT_LINKED", 0, "Select Linked", ""},

source/blender/windowmanager/WM_types.h

@@ -407,6 +407,9 @@ typedef struct wmGesture {
 	/* customdata for circle is recti, (xmin, ymin) is center, xmax radius */
 	/* customdata for lasso is short array */
 	/* customdata for straight line is a recti: (xmin,ymin) is start, (xmax, ymax) is end */
+
+	/* free pointer to use for operator allocs (if set, its freed on exit)*/
+	void *userdata;
 } wmGesture;
 
 /* ************** wmEvent ************************ */

source/blender/windowmanager/intern/wm_gesture.c

@@ -113,6 +113,9 @@ void WM_gesture_end(bContext *C, wmGesture *gesture)
 		win->tweak = NULL;
 	BLI_remlink(&win->gesture, gesture);
 	MEM_freeN(gesture->customdata);
+	if (gesture->userdata) {
+		MEM_freeN(gesture->userdata);
+	}
 	MEM_freeN(gesture);
 }