Commit: 71b70b23b36008b4ac03001b7e691a0189b4d158
Author: Campbell Barton
Date:   Sat Jun 17 06:38:51 2017 +1000
Branches: blender2.8
https://developer.blender.org/rB71b70b23b36008b4ac03001b7e691a0189b4d158

Manipulator: initial manipulator for spin operator

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

M       source/blender/editors/mesh/editmesh_bisect.c
M       source/blender/editors/mesh/editmesh_extrude.c

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

diff --git a/source/blender/editors/mesh/editmesh_bisect.c 
b/source/blender/editors/mesh/editmesh_bisect.c
index 2ad457f1190..24dfc9aa92c 100644
--- a/source/blender/editors/mesh/editmesh_bisect.c
+++ b/source/blender/editors/mesh/editmesh_bisect.c
@@ -197,7 +197,7 @@ static int mesh_bisect_modal(bContext *C, wmOperator *op, 
const wmEvent *event)
                /* Setup manipulators */
                {
                        View3D *v3d = CTX_wm_view3d(C);
-                       if (v3d->twtype & V3D_USE_MANIPULATOR) {
+                       if (v3d && (v3d->twtype & V3D_USE_MANIPULATOR)) {
                                WM_manipulator_group_add("MESH_WGT_bisect");
                        }
                }
@@ -371,10 +371,7 @@ void MESH_OT_bisect(struct wmOperatorType *ot)
        WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
 
 #ifdef USE_MANIPULATOR
-       /* Widget for this operator. */
-       {
-               WM_manipulatorgrouptype_append(MESH_WGT_bisect);
-       }
+       WM_manipulatorgrouptype_append(MESH_WGT_bisect);
 #endif
 }
 
@@ -516,7 +513,6 @@ static void manipulator_bisect_prop_translate_set(
        manipulator_bisect_exec(man);
 }
 
-
 /* angle callbacks */
 static void manipulator_bisect_prop_angle_get(
         const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
diff --git a/source/blender/editors/mesh/editmesh_extrude.c 
b/source/blender/editors/mesh/editmesh_extrude.c
index 0f1badd93cd..9d87e16fc06 100644
--- a/source/blender/editors/mesh/editmesh_extrude.c
+++ b/source/blender/editors/mesh/editmesh_extrude.c
@@ -45,6 +45,7 @@
 #include "RNA_define.h"
 #include "RNA_access.h"
 
+#include "WM_api.h"
 #include "WM_types.h"
 
 #include "ED_mesh.h"
@@ -52,8 +53,17 @@
 #include "ED_transform.h"
 #include "ED_view3d.h"
 
+#include "MEM_guardedalloc.h"
+
 #include "mesh_intern.h"  /* own include */
 
+#define USE_MANIPULATOR
+
+#ifdef USE_MANIPULATOR
+#include "ED_manipulator_library.h"
+#include "ED_util.h"
+#endif
+
 static void edbm_extrude_edge_exclude_mirror(
         Object *obedit, BMEditMesh *em,
         const char hflag,
@@ -743,9 +753,25 @@ static int edbm_spin_invoke(bContext *C, wmOperator *op, 
const wmEvent *UNUSED(e
                }
        }
 
-       return edbm_spin_exec(C, op);
+       int ret = edbm_spin_exec(C, op);
+
+#ifdef USE_MANIPULATOR
+       if (ret & OPERATOR_FINISHED) {
+               /* Setup manipulators */
+               if (v3d && (v3d->twtype & V3D_USE_MANIPULATOR)) {
+                       WM_manipulator_group_add("MESH_WGT_spin");
+               }
+       }
+#endif
+
+       return ret;
+
 }
 
+#ifdef USE_MANIPULATOR
+static void MESH_WGT_spin(struct wmManipulatorGroupType *wgt);
+#endif
+
 void MESH_OT_spin(wmOperatorType *ot)
 {
        PropertyRNA *prop;
@@ -774,8 +800,343 @@ void MESH_OT_spin(wmOperatorType *ot)
                             "Center", "Center in global view space", -1e4f, 
1e4f);
        RNA_def_float_vector(ot->srna, "axis", 3, NULL, -1.0f, 1.0f, "Axis", 
"Axis in global view space", -1.0f, 1.0f);
 
+#ifdef USE_MANIPULATOR
+       WM_manipulatorgrouptype_append(MESH_WGT_spin);
+#endif
+}
+
+
+#ifdef USE_MANIPULATOR
+
+/* -------------------------------------------------------------------- */
+
+/** \name Spin Manipulator
+ * \{ */
+
+typedef struct ManipulatorSpinGroup {
+       /* Arrow to change plane depth. */
+       struct wmManipulator *translate_z;
+       /* Translate XYZ */
+       struct wmManipulator *translate_c;
+       /* For grabbing the manipulator and moving freely. */
+       struct wmManipulator *rotate_c;
+       /* Spin angle */
+       struct wmManipulator *angle_z;
+
+       /* We could store more vars here! */
+       struct {
+               bContext *context;
+               wmOperator *op;
+               PropertyRNA *prop_axis_co;
+               PropertyRNA *prop_axis_no;
+               PropertyRNA *prop_angle;
+
+               float rotate_axis[3];
+               float rotate_up[3];
+       } data;
+} ManipulatorSpinGroup;
+
+/**
+ * XXX. calling redo from property updates is not great.
+ * This is needed because changing the RNA doesn't cause a redo
+ * and we're not using operator UI which does just this.
+ */
+static void manipulator_spin_exec(ManipulatorSpinGroup *man)
+{
+       wmOperator *op = man->data.op;
+       if (op == WM_operator_last_redo((bContext *)man->data.context)) {
+               ED_undo_operator_repeat((bContext *)man->data.context, op);
+       }
 }
 
+static void manipulator_mesh_spin_update_from_op(ManipulatorSpinGroup *man)
+{
+       wmOperator *op = man->data.op;
+
+       float plane_co[3], plane_no[3];
+
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_co, plane_co);
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_no, plane_no);
+
+       WM_manipulator_set_origin(man->translate_z, plane_co);
+       WM_manipulator_set_origin(man->translate_c, plane_co);
+       WM_manipulator_set_origin(man->rotate_c, plane_co);
+       WM_manipulator_set_origin(man->angle_z, plane_co);
+
+       ED_manipulator_arrow3d_set_direction(man->translate_z, plane_no);
+       ED_manipulator_dial3d_set_up_vector(man->angle_z, plane_no);
+
+       WM_manipulator_set_scale(man->translate_c, 0.2);
+
+       RegionView3D *rv3d = ED_view3d_context_rv3d(man->data.context);
+       if (rv3d) {
+               normalize_v3_v3(man->data.rotate_axis, rv3d->viewinv[2]);
+               normalize_v3_v3(man->data.rotate_up, rv3d->viewinv[1]);
+
+               /* ensure its orthogonal */
+               project_plane_normalized_v3_v3v3(man->data.rotate_up, 
man->data.rotate_up, man->data.rotate_axis);
+               normalize_v3(man->data.rotate_up);
+
+               ED_manipulator_grab3d_set_up_vector(man->translate_c, plane_no);
+               ED_manipulator_dial3d_set_up_vector(man->rotate_c, 
man->data.rotate_axis);
+       }
+}
+
+/* depth callbacks */
+static void manipulator_spin_prop_depth_get(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+
+       BLI_assert(value_len == 1);
+
+       float plane_co[3], plane_no[3];
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_co, plane_co);
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_no, plane_no);
+
+       value[0] = dot_v3v3(plane_no, plane_co) - dot_v3v3(plane_no, 
mpr->origin);
+}
+
+static void manipulator_spin_prop_depth_set(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        const float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+
+       BLI_assert(value_len == 1);
+
+       float plane_co[3], plane[4];
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_co, plane_co);
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_no, plane);
+       normalize_v3(plane);
+
+       plane[3] = -value[0] - dot_v3v3(plane, mpr->origin);
+
+       /* Keep our location, may be offset simply to be inside the viewport. */
+       closest_to_plane_normalized_v3(plane_co, plane, plane_co);
+
+       RNA_property_float_set_array(op->ptr, man->data.prop_axis_co, plane_co);
+
+       manipulator_spin_exec(man);
+}
+
+/* translate callbacks */
+static void manipulator_spin_prop_translate_get(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+
+       BLI_assert(value_len == 3);
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_co, value);
+}
+
+static void manipulator_spin_prop_translate_set(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        const float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+
+       BLI_assert(value_len == 3);
+       RNA_property_float_set_array(op->ptr, man->data.prop_axis_co, value);
+
+       manipulator_spin_exec(man);
+}
+
+/* angle callbacks */
+static void manipulator_spin_prop_axis_angle_get(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+       BLI_assert(value_len == 1);
+
+       float plane_no[4];
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_no, plane_no);
+       normalize_v3(plane_no);
+
+       float plane_no_proj[3];
+       project_plane_normalized_v3_v3v3(plane_no_proj, plane_no, 
man->data.rotate_axis);
+
+       if (!is_zero_v3(plane_no_proj)) {
+               const float angle = 
-angle_signed_on_axis_v3v3_v3(plane_no_proj, man->data.rotate_up, 
man->data.rotate_axis);
+               value[0] = angle;
+       }
+       else {
+               value[0] = 0.0f;
+       }
+}
+
+static void manipulator_spin_prop_axis_angle_set(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        const float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+       BLI_assert(value_len == 1);
+
+       float plane_no[4];
+       RNA_property_float_get_array(op->ptr, man->data.prop_axis_no, plane_no);
+       normalize_v3(plane_no);
+
+       float plane_no_proj[3];
+       project_plane_normalized_v3_v3v3(plane_no_proj, plane_no, 
man->data.rotate_axis);
+
+       if (!is_zero_v3(plane_no_proj)) {
+               const float angle = 
-angle_signed_on_axis_v3v3_v3(plane_no_proj, man->data.rotate_up, 
man->data.rotate_axis);
+               const float angle_delta = angle - angle_compat_rad(value[0], 
angle);
+               if (angle_delta != 0.0f) {
+                       float mat[3][3];
+                       axis_angle_normalized_to_mat3(mat, 
man->data.rotate_axis, angle_delta);
+                       mul_m3_v3(mat, plane_no);
+
+                       /* re-normalize - seems acceptable */
+                       RNA_property_float_set_array(op->ptr, 
man->data.prop_axis_no, plane_no);
+
+                       manipulator_spin_exec(man);
+               }
+       }
+}
+
+/* angle callbacks */
+static void manipulator_spin_prop_angle_get(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+       BLI_assert(value_len == 1);
+       value[0] = RNA_property_float_get(op->ptr, man->data.prop_angle);
+}
+
+static void manipulator_spin_prop_angle_set(
+        const wmManipulator *mpr, wmManipulatorProperty *UNUSED(mpr_prop), 
void *UNUSED(user_data),
+        const float *value, uint value_len)
+{
+       ManipulatorSpinGroup *man = mpr->parent_mgroup->customdata;
+       wmOperator *op = man->data.op;
+       BLI_assert(value_len == 1);
+       RNA_property_float_set(op->ptr, man->data.p

@@ Diff output truncated at 10240 characters. @@

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