Commit: ab1e87260f89e264a7c26c12e2347212e1ee5489
Author: Campbell Barton
Date: Tue Jun 6 22:17:09 2017 +1000
Branches: custom-manipulators
https://developer.blender.org/rBab1e87260f89e264a7c26c12e2347212e1ee5489
Merge branch 'blender2.8' into custom-manipulators
===================================================================
===================================================================
diff --cc source/blender/editors/transform/transform_manipulator2d.c
index 5a2997a111e,00000000000..99b0e48dedd
mode 100644,000000..100644
--- a/source/blender/editors/transform/transform_manipulator2d.c
+++ b/source/blender/editors/transform/transform_manipulator2d.c
@@@ -1,271 -1,0 +1,272 @@@
+/*
+ * ***** 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) 2016 Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/transform/transform_manipulator2d.c
+ * \ingroup edtransform
+ *
+ * \name 2D Transform Manipulator
+ *
+ * Used for UV/Image Editor
+ */
+
+#include "BKE_context.h"
+#include "BKE_editmesh.h"
+
+#include "BLI_listbase.h"
+#include "BLI_math.h"
+
+#include "DNA_meshdata_types.h"
+#include "DNA_object_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_space_types.h"
+#include "DNA_view3d_types.h"
+#include "DNA_manipulator_types.h"
+
+#include "ED_image.h"
+#include "ED_screen.h"
+#include "ED_uvedit.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "RNA_access.h"
+
+#include "UI_resources.h"
+#include "UI_view2d.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+#include "wm.h" /* XXX */
+
+#include "transform.h" /* own include */
+
+/* axes as index */
+enum {
+ MAN2D_AXIS_TRANS_X = 0,
+ MAN2D_AXIS_TRANS_Y,
+
+ MAN2D_AXIS_LAST,
+};
+
+typedef struct ManipulatorGroup2D {
+ wmManipulator *translate_x,
+ *translate_y;
+
+ /* Current origin in view space, used to update widget origin for
possible view changes */
+ float origin[2];
+} ManipulatorGroup2D;
+
+
+/* **************** Utilities **************** */
+
+/* loop over axes */
+#define MAN2D_ITER_AXES_BEGIN(axis, axis_idx) \
+ { \
+ wmManipulator *axis; \
+ int axis_idx; \
+ for (axis_idx = 0; axis_idx < MAN2D_AXIS_LAST; axis_idx++) { \
+ axis = manipulator2d_get_axis_from_index(man, axis_idx);
+
+#define MAN2D_ITER_AXES_END \
+ } \
+ } ((void)0)
+
+static wmManipulator *manipulator2d_get_axis_from_index(const
ManipulatorGroup2D *man, const short axis_idx)
+{
+ BLI_assert(IN_RANGE_INCL(axis_idx, (float)MAN2D_AXIS_TRANS_X,
(float)MAN2D_AXIS_TRANS_Y));
+
+ switch (axis_idx) {
+ case MAN2D_AXIS_TRANS_X:
+ return man->translate_x;
+ case MAN2D_AXIS_TRANS_Y:
+ return man->translate_y;
+ }
+
+ return NULL;
+}
+
+static void manipulator2d_get_axis_color(const int axis_idx, float *r_col,
float *r_col_hi)
+{
+ const float alpha = 0.6f;
+ const float alpha_hi = 1.0f;
+ int col_id;
+
+ switch (axis_idx) {
+ case MAN2D_AXIS_TRANS_X:
+ col_id = TH_AXIS_X;
+ break;
+ case MAN2D_AXIS_TRANS_Y:
+ col_id = TH_AXIS_Y;
+ break;
+ }
+
+ UI_GetThemeColor4fv(col_id, r_col);
+
+ copy_v4_v4(r_col_hi, r_col);
+ r_col[3] *= alpha;
+ r_col_hi[3] *= alpha_hi;
+}
+
+static ManipulatorGroup2D *manipulatorgroup2d_init(wmManipulatorGroup *wgroup)
+{
+ ManipulatorGroup2D *man = MEM_callocN(sizeof(ManipulatorGroup2D),
__func__);
+
+ man->translate_x = MANIPULATOR_arrow2d_new(wgroup, "translate_x");
+ man->translate_y = MANIPULATOR_arrow2d_new(wgroup, "translate_y");
+
+ return man;
+}
+
+/**
+ * Calculates origin in view space, use with #manipulator2d_origin_to_region.
+ */
+static void manipulator2d_calc_origin(const bContext *C, float *r_origin)
+{
+ SpaceImage *sima = CTX_wm_space_image(C);
+ Image *ima = ED_space_image(sima);
+
+ if (sima->around == V3D_AROUND_CURSOR) {
+ copy_v2_v2(r_origin, sima->cursor);
+ }
+ else {
+ ED_uvedit_center(CTX_data_scene(C), ima,
CTX_data_edit_object(C), r_origin, sima->around);
+ }
+}
+
+/**
+ * Convert origin (or any other point) from view to region space.
+ */
+BLI_INLINE void manipulator2d_origin_to_region(ARegion *ar, float *r_origin)
+{
+ UI_view2d_view_to_region_fl(&ar->v2d, r_origin[0], r_origin[1],
&r_origin[0], &r_origin[1]);
+}
+
+/**
+ * Custom handler for manipulator widgets
+ */
- static int manipulator2d_handler(bContext *C, const wmEvent *UNUSED(event),
wmManipulator *widget, const int UNUSED(flag))
++static int manipulator2d_handler(
++ bContext *C, wmManipulator *widget, const wmEvent *UNUSED(event),
const int UNUSED(flag))
+{
+ ARegion *ar = CTX_wm_region(C);
+ float origin[3];
+
+ manipulator2d_calc_origin(C, origin);
+ manipulator2d_origin_to_region(ar, origin);
+ WM_manipulator_set_origin(widget, origin);
+
+ ED_region_tag_redraw(ar);
+
+ return OPERATOR_PASS_THROUGH;
+}
+
+void WIDGETGROUP_manipulator2d_init(const bContext *UNUSED(C),
wmManipulatorGroup *wgroup)
+{
+ ManipulatorGroup2D *man = manipulatorgroup2d_init(wgroup);
+ wgroup->customdata = man;
+
+ MAN2D_ITER_AXES_BEGIN(axis, axis_idx)
+ {
+ const float offset[3] = {0.0f, 0.2f};
+
+ float col[4], col_hi[4];
+ manipulator2d_get_axis_color(axis_idx, col, col_hi);
+
+ /* custom handler! */
+ WM_manipulator_set_fn_handler(axis, manipulator2d_handler);
+ /* set up widget data */
+ MANIPULATOR_arrow2d_set_angle(axis, -M_PI_2 * axis_idx);
+ MANIPULATOR_arrow2d_set_line_len(axis, 0.8f);
+ WM_manipulator_set_offset(axis, offset);
+ WM_manipulator_set_line_width(axis,
MANIPULATOR_AXIS_LINE_WIDTH);
+ WM_manipulator_set_scale(axis, U.manipulator_scale);
+ WM_manipulator_set_colors(axis, col, col_hi);
+
+ /* assign operator */
+ PointerRNA *ptr = WM_manipulator_set_operator(axis,
"TRANSFORM_OT_translate");
+ int constraint[3] = {0.0f};
+ constraint[(axis_idx + 1) % 2] = 1;
+ if (RNA_struct_find_property(ptr, "constraint_axis"))
+ RNA_boolean_set_array(ptr, "constraint_axis",
constraint);
+ RNA_boolean_set(ptr, "release_confirm", 1);
+ }
+ MAN2D_ITER_AXES_END;
+}
+
+void WIDGETGROUP_manipulator2d_refresh(const bContext *C, wmManipulatorGroup
*wgroup)
+{
+ ManipulatorGroup2D *man = wgroup->customdata;
+ float origin[3];
+
+ manipulator2d_calc_origin(C, origin);
+ copy_v2_v2(man->origin, origin);
+}
+
+void WIDGETGROUP_manipulator2d_draw_prepare(const bContext *C,
wmManipulatorGroup *wgroup)
+{
+ ManipulatorGroup2D *man = wgroup->customdata;
+ float origin[3] = {UNPACK2(man->origin), 0.0f};
+
+ manipulator2d_origin_to_region(CTX_wm_region(C), origin);
+
+ MAN2D_ITER_AXES_BEGIN(axis, axis_idx)
+ {
+ WM_manipulator_set_origin(axis, origin);
+ }
+ MAN2D_ITER_AXES_END;
+}
+
+/* TODO (Julian)
+ * - Called on every redraw, better to do a more simple poll and check for
selection in _refresh
+ * - UV editing only, could be expanded for other things.
+ */
+bool WIDGETGROUP_manipulator2d_poll(const bContext *C, wmManipulatorGroupType
*UNUSED(wgrouptype))
+{
+ SpaceImage *sima = CTX_wm_space_image(C);
+ Object *obedit = CTX_data_edit_object(C);
+
+ if (ED_space_image_show_uvedit(sima, obedit)) {
+ Image *ima = ED_space_image(sima);
+ Scene *scene = CTX_data_scene(C);
+ BMEditMesh *em = BKE_editmesh_from_object(obedit);
+ BMFace *efa;
+ BMLoop *l;
+ BMIter iter, liter;
+
+ const int cd_loop_uv_offset =
CustomData_get_offset(&em->bm->ldata, CD_MLOOPUV);
+
+ /* check if there's a selected poly */
+ BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
+ if (!uvedit_face_visible_test(scene, ima, efa))
+ continue;
+
+ BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
+ if (uvedit_uv_select_test(scene, l,
cd_loop_uv_offset)) {
+ return true;
+ }
+ }
+ }
+ }
+
+ return false;
+}
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