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d730e512ac56bd68c75f8c44ff186b51010db4c7
blender-archive/source/blender/editors/space_graph/graph_buttons.c

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/*
* 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) 2009 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup spgraph
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <float.h>
#include "DNA_anim_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "BKE_animsys.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_fcurve.h"
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_screen.h"
#include "BKE_unit.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "ED_anim_api.h"
#include "ED_keyframing.h"
#include "ED_screen.h"
#include "ED_undo.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "graph_intern.h" // own include
/* ******************* graph editor space & buttons ************** */
#define B_REDR 1
/* -------------- */
static int graph_panel_context(const bContext *C, bAnimListElem **ale, FCurve **fcu)
{
bAnimContext ac;
bAnimListElem *elem = NULL;
/* For now, only draw if we could init the anim-context info
* (necessary for all animation-related tools)
* to work correctly is able to be correctly retrieved.
* There's no point showing empty panels?
*/
if (ANIM_animdata_get_context(C, &ac) == 0) {
return 0;
}
/* try to find 'active' F-Curve */
elem = get_active_fcurve_channel(&ac);
if (elem == NULL) {
return 0;
}
if (fcu) {
*fcu = (FCurve *)elem->data;
}
if (ale) {
*ale = elem;
}
else {
MEM_freeN(elem);
}
return 1;
}
static bool graph_panel_poll(const bContext *C, PanelType *UNUSED(pt))
{
return graph_panel_context(C, NULL, NULL);
}
/* -------------- */
/* Graph Editor View Settings */
static void graph_panel_view(const bContext *C, Panel *pa)
{
bScreen *sc = CTX_wm_screen(C);
SpaceGraph *sipo = CTX_wm_space_graph(C);
Scene *scene = CTX_data_scene(C);
PointerRNA spaceptr, sceneptr;
uiLayout *col, *sub, *row;
/* get RNA pointers for use when creating the UI elements */
RNA_id_pointer_create(&scene->id, &sceneptr);
RNA_pointer_create(&sc->id, &RNA_SpaceGraphEditor, sipo, &spaceptr);
/* 2D-Cursor */
col = uiLayoutColumn(pa->layout, false);
uiItemR(col, &spaceptr, "show_cursor", 0, NULL, ICON_NONE);
sub = uiLayoutColumn(col, true);
uiLayoutSetActive(sub, RNA_boolean_get(&spaceptr, "show_cursor"));
uiItemO(sub, IFACE_("Cursor from Selection"), ICON_NONE, "GRAPH_OT_frame_jump");
sub = uiLayoutColumn(col, true);
uiLayoutSetActive(sub, RNA_boolean_get(&spaceptr, "show_cursor"));
row = uiLayoutSplit(sub, 0.7f, true);
if (sipo->mode == SIPO_MODE_DRIVERS) {
uiItemR(row, &spaceptr, "cursor_position_x", 0, IFACE_("Cursor X"), ICON_NONE);
}
else {
uiItemR(row, &sceneptr, "frame_current", 0, IFACE_("Cursor X"), ICON_NONE);
}
uiItemEnumO(row, "GRAPH_OT_snap", IFACE_("To Keys"), 0, "type", GRAPHKEYS_SNAP_CFRA);
row = uiLayoutSplit(sub, 0.7f, true);
uiItemR(row, &spaceptr, "cursor_position_y", 0, IFACE_("Cursor Y"), ICON_NONE);
uiItemEnumO(row, "GRAPH_OT_snap", IFACE_("To Keys"), 0, "type", GRAPHKEYS_SNAP_VALUE);
}
/* ******************* active F-Curve ************** */
static void graph_panel_properties(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
PointerRNA fcu_ptr;
uiLayout *layout = pa->layout;
uiLayout *col, *row, *sub;
char name[256];
int icon = 0;
if (!graph_panel_context(C, &ale, &fcu)) {
return;
}
/* F-Curve pointer */
RNA_pointer_create(ale->id, &RNA_FCurve, fcu, &fcu_ptr);
/* user-friendly 'name' for F-Curve */
col = uiLayoutColumn(layout, false);
if (ale->type == ANIMTYPE_FCURVE) {
/* get user-friendly name for F-Curve */
icon = getname_anim_fcurve(name, ale->id, fcu);
}
else {
/* NLA Control Curve, etc. */
const bAnimChannelType *acf = ANIM_channel_get_typeinfo(ale);
/* get name */
if (acf && acf->name) {
acf->name(ale, name);
}
else {
strcpy(name, IFACE_("<invalid>"));
icon = ICON_ERROR;
}
/* icon */
if (ale->type == ANIMTYPE_NLACURVE) {
icon = ICON_NLA;
}
}
uiItemL(col, name, icon);
/* RNA-Path Editing - only really should be enabled when things aren't working */
col = uiLayoutColumn(layout, true);
uiLayoutSetEnabled(col, (fcu->flag & FCURVE_DISABLED) != 0);
uiItemR(col, &fcu_ptr, "data_path", 0, "", ICON_RNA);
uiItemR(col, &fcu_ptr, "array_index", 0, NULL, ICON_NONE);
/* color settings */
col = uiLayoutColumn(layout, true);
uiItemL(col, IFACE_("Display Color:"), ICON_NONE);
row = uiLayoutRow(col, true);
uiItemR(row, &fcu_ptr, "color_mode", 0, "", ICON_NONE);
sub = uiLayoutRow(row, true);
uiLayoutSetEnabled(sub, (fcu->color_mode == FCURVE_COLOR_CUSTOM));
uiItemR(sub, &fcu_ptr, "color", 0, "", ICON_NONE);
/* smoothing setting */
col = uiLayoutColumn(layout, true);
uiItemL(col, IFACE_("Auto Handle Smoothing:"), ICON_NONE);
uiItemR(col, &fcu_ptr, "auto_smoothing", 0, "", ICON_NONE);
MEM_freeN(ale);
}
/* ******************* active Keyframe ************** */
/* get 'active' keyframe for panel editing */
static short get_active_fcurve_keyframe_edit(FCurve *fcu, BezTriple **bezt, BezTriple **prevbezt)
{
BezTriple *b;
int i;
/* zero the pointers */
*bezt = *prevbezt = NULL;
/* sanity checks */
if ((fcu->bezt == NULL) || (fcu->totvert == 0)) {
return 0;
}
/* find first selected keyframe for now, and call it the active one
* - this is a reasonable assumption, given that whenever anyone
* wants to edit numerically, there is likely to only be 1 vert selected
*/
for (i = 0, b = fcu->bezt; i < fcu->totvert; i++, b++) {
if (BEZT_ISSEL_ANY(b)) {
/* found
* - 'previous' is either the one before, of the keyframe itself (which is still fine)
* XXX: we can just make this null instead if needed
*/
*prevbezt = (i > 0) ? b - 1 : b;
*bezt = b;
return 1;
}
}
/* not found */
return 0;
}
/* update callback for active keyframe properties - base updates stuff */
static void graphedit_activekey_update_cb(bContext *UNUSED(C),
void *fcu_ptr,
void *UNUSED(bezt_ptr))
{
FCurve *fcu = (FCurve *)fcu_ptr;
/* make sure F-Curve and its handles are still valid after this editing */
sort_time_fcurve(fcu);
calchandles_fcurve(fcu);
}
/* update callback for active keyframe properties - handle-editing wrapper */
static void graphedit_activekey_handles_cb(bContext *C, void *fcu_ptr, void *bezt_ptr)
{
BezTriple *bezt = (BezTriple *)bezt_ptr;
/* since editing the handles, make sure they're set to types which are receptive to editing
* see transform_conversions.c :: createTransGraphEditData(), last step in second loop
*/
if (ELEM(bezt->h1, HD_AUTO, HD_AUTO_ANIM) && ELEM(bezt->h2, HD_AUTO, HD_AUTO_ANIM)) {
/* by changing to aligned handles, these can now be moved... */
bezt->h1 = HD_ALIGN;
bezt->h2 = HD_ALIGN;
}
else {
BKE_nurb_bezt_handle_test(bezt, true);
}
/* now call standard updates */
graphedit_activekey_update_cb(C, fcu_ptr, bezt_ptr);
}
/* update callback for editing coordinates of right handle in active keyframe properties
* NOTE: we cannot just do graphedit_activekey_handles_cb() due to "order of computation"
* weirdness (see calchandleNurb_intern() and T39911)
*/
static void graphedit_activekey_left_handle_coord_cb(bContext *C, void *fcu_ptr, void *bezt_ptr)
{
BezTriple *bezt = (BezTriple *)bezt_ptr;
const char f1 = bezt->f1;
const char f3 = bezt->f3;
bezt->f1 |= SELECT;
bezt->f3 &= ~SELECT;
/* perform normal updates NOW */
graphedit_activekey_handles_cb(C, fcu_ptr, bezt_ptr);
/* restore selection state so that no-one notices this hack */
bezt->f1 = f1;
bezt->f3 = f3;
}
static void graphedit_activekey_right_handle_coord_cb(bContext *C, void *fcu_ptr, void *bezt_ptr)
{
BezTriple *bezt = (BezTriple *)bezt_ptr;
/* original state of handle selection - to be restored after performing the recalculation */
const char f1 = bezt->f1;
const char f3 = bezt->f3;
/* temporarily make it so that only the right handle is selected, so that updates go correctly
* (i.e. it now acts as if we've just transforming the vert when it is selected by itself)
*/
bezt->f1 &= ~SELECT;
bezt->f3 |= SELECT;
/* perform normal updates NOW */
graphedit_activekey_handles_cb(C, fcu_ptr, bezt_ptr);
/* restore selection state so that no-one notices this hack */
bezt->f1 = f1;
bezt->f3 = f3;
}
static void graph_panel_key_properties(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
BezTriple *bezt, *prevbezt;
uiLayout *layout = pa->layout;
uiLayout *col;
uiBlock *block;
if (!graph_panel_context(C, &ale, &fcu)) {
return;
}
block = uiLayoutGetBlock(layout);
/* UI_block_func_handle_set(block, do_graph_region_buttons, NULL); */
/* only show this info if there are keyframes to edit */
if (get_active_fcurve_keyframe_edit(fcu, &bezt, &prevbezt)) {
PointerRNA bezt_ptr, id_ptr, fcu_prop_ptr;
PropertyRNA *fcu_prop = NULL;
uiBut *but;
int unit = B_UNIT_NONE;
/* RNA pointer to keyframe, to allow editing */
RNA_pointer_create(ale->id, &RNA_Keyframe, bezt, &bezt_ptr);
/* get property that F-Curve affects, for some unit-conversion magic */
RNA_id_pointer_create(ale->id, &id_ptr);
if (RNA_path_resolve_property(&id_ptr, fcu->rna_path, &fcu_prop_ptr, &fcu_prop)) {
/* determine the unit for this property */
unit = RNA_SUBTYPE_UNIT(RNA_property_subtype(fcu_prop));
}
/* interpolation */
col = uiLayoutColumn(layout, false);
if (fcu->flag & FCURVE_DISCRETE_VALUES) {
uiLayout *split = uiLayoutSplit(col, 0.33f, true);
uiItemL(split, IFACE_("Interpolation:"), ICON_NONE);
uiItemL(split, IFACE_("None for Enum/Boolean"), ICON_IPO_CONSTANT);
}
else {
uiItemR(col, &bezt_ptr, "interpolation", 0, NULL, ICON_NONE);
}
/* easing type */
if (bezt->ipo > BEZT_IPO_BEZ) {
uiItemR(col, &bezt_ptr, "easing", 0, NULL, 0);
}
/* easing extra */
switch (bezt->ipo) {
case BEZT_IPO_BACK:
col = uiLayoutColumn(layout, 1);
uiItemR(col, &bezt_ptr, "back", 0, NULL, 0);
break;
case BEZT_IPO_ELASTIC:
col = uiLayoutColumn(layout, 1);
uiItemR(col, &bezt_ptr, "amplitude", 0, NULL, 0);
uiItemR(col, &bezt_ptr, "period", 0, NULL, 0);
break;
default:
break;
}
/* numerical coordinate editing
* - we use the button-versions of the calls so that we can attach special update handlers
* and unit conversion magic that cannot be achieved using a purely RNA-approach
*/
col = uiLayoutColumn(layout, true);
/* keyframe itself */
{
uiItemL(col, IFACE_("Key:"), ICON_NONE);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
IFACE_("Frame:"),
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"co",
0,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_update_cb, fcu, bezt);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
IFACE_("Value:"),
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"co",
1,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_update_cb, fcu, bezt);
UI_but_unit_type_set(but, unit);
}
/* previous handle - only if previous was Bezier interpolation */
if ((prevbezt) && (prevbezt->ipo == BEZT_IPO_BEZ)) {
uiItemL(col, IFACE_("Left Handle:"), ICON_NONE);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
"X:",
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_left",
0,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_left_handle_coord_cb, fcu, bezt);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
"Y:",
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_left",
1,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_left_handle_coord_cb, fcu, bezt);
UI_but_unit_type_set(but, unit);
/* XXX: with label? */
but = uiDefButR(block,
UI_BTYPE_MENU,
B_REDR,
NULL,
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_left_type",
0,
0,
0,
-1,
-1,
"Type of left handle");
UI_but_func_set(but, graphedit_activekey_handles_cb, fcu, bezt);
}
/* next handle - only if current is Bezier interpolation */
if (bezt->ipo == BEZT_IPO_BEZ) {
/* NOTE: special update callbacks are needed on the coords here due to T39911 */
uiItemL(col, IFACE_("Right Handle:"), ICON_NONE);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
"X:",
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_right",
0,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_right_handle_coord_cb, fcu, bezt);
but = uiDefButR(block,
UI_BTYPE_NUM,
B_REDR,
"Y:",
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_right",
1,
0,
0,
-1,
-1,
NULL);
UI_but_func_set(but, graphedit_activekey_right_handle_coord_cb, fcu, bezt);
UI_but_unit_type_set(but, unit);
/* XXX: with label? */
but = uiDefButR(block,
UI_BTYPE_MENU,
B_REDR,
NULL,
0,
0,
UI_UNIT_X,
UI_UNIT_Y,
&bezt_ptr,
"handle_right_type",
0,
0,
0,
-1,
-1,
"Type of right handle");
UI_but_func_set(but, graphedit_activekey_handles_cb, fcu, bezt);
}
}
else {
if ((fcu->bezt == NULL) && (fcu->modifiers.first)) {
/* modifiers only - so no keyframes to be active */
uiItemL(layout, IFACE_("F-Curve only has F-Modifiers"), ICON_NONE);
uiItemL(layout, IFACE_("See Modifiers panel below"), ICON_INFO);
}
else if (fcu->fpt) {
/* samples only */
uiItemL(layout,
IFACE_("F-Curve doesn't have any keyframes as it only contains sampled points"),
ICON_NONE);
}
else {
uiItemL(layout, IFACE_("No active keyframe on F-Curve"), ICON_NONE);
}
}
MEM_freeN(ale);
}
/* ******************* drivers ******************************** */
#define B_IPO_DEPCHANGE 10
static void do_graph_region_driver_buttons(bContext *C, void *id_v, int event)
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
switch (event) {
case B_IPO_DEPCHANGE: {
/* Was not actually run ever (NULL always passed as arg to this callback).
* If needed again, will need to check how to pass both fcurve and ID... :/ */
#if 0
/* force F-Curve & Driver to get re-evaluated (same as the old Update Dependencies) */
FCurve *fcu = (FCurve *)fcu_v;
ChannelDriver *driver = (fcu) ? fcu->driver : NULL;
/* clear invalid flags */
if (fcu) {
fcu->flag &= ~FCURVE_DISABLED;
driver->flag &= ~DRIVER_FLAG_INVALID;
}
#endif
ID *id = id_v;
AnimData *adt = BKE_animdata_from_id(id);
/* rebuild depsgraph for the new deps, and ensure COW copies get flushed. */
DEG_relations_tag_update(bmain);
DEG_id_tag_update_ex(bmain, id, ID_RECALC_COPY_ON_WRITE);
if (adt != NULL) {
if (adt->action != NULL) {
DEG_id_tag_update_ex(bmain, &adt->action->id, ID_RECALC_COPY_ON_WRITE);
}
if (adt->tmpact != NULL) {
DEG_id_tag_update_ex(bmain, &adt->tmpact->id, ID_RECALC_COPY_ON_WRITE);
}
}
break;
}
}
/* default for now */
WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene); // XXX could use better notifier
}
/* callback to add a target variable to the active driver */
static void driver_add_var_cb(bContext *C, void *driver_v, void *UNUSED(arg))
{
ChannelDriver *driver = (ChannelDriver *)driver_v;
/* add a new variable */
driver_add_new_variable(driver);
ED_undo_push(C, "Add Driver Variable");
}
/* callback to remove target variable from active driver */
static void driver_delete_var_cb(bContext *C, void *driver_v, void *dvar_v)
{
ChannelDriver *driver = (ChannelDriver *)driver_v;
DriverVar *dvar = (DriverVar *)dvar_v;
/* remove the active variable */
driver_free_variable_ex(driver, dvar);
ED_undo_push(C, "Delete Driver Variable");
}
/* callback to report why a driver variable is invalid */
static void driver_dvar_invalid_name_query_cb(bContext *C, void *dvar_v, void *UNUSED(arg))
{
uiPopupMenu *pup = UI_popup_menu_begin(
C, CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Invalid Variable Name"), ICON_NONE);
uiLayout *layout = UI_popup_menu_layout(pup);
DriverVar *dvar = (DriverVar *)dvar_v;
if (dvar->flag & DVAR_FLAG_INVALID_EMPTY) {
uiItemL(layout, "It cannot be left blank", ICON_ERROR);
}
if (dvar->flag & DVAR_FLAG_INVALID_START_NUM) {
uiItemL(layout, "It cannot start with a number", ICON_ERROR);
}
if (dvar->flag & DVAR_FLAG_INVALID_START_CHAR) {
uiItemL(layout,
"It cannot start with a special character,"
" including '$', '@', '!', '~', '+', '-', '_', '.', or ' '",
ICON_NONE);
}
if (dvar->flag & DVAR_FLAG_INVALID_HAS_SPACE) {
uiItemL(layout, "It cannot contain spaces (e.g. 'a space')", ICON_ERROR);
}
if (dvar->flag & DVAR_FLAG_INVALID_HAS_DOT) {
uiItemL(layout, "It cannot contain dots (e.g. 'a.dot')", ICON_ERROR);
}
if (dvar->flag & DVAR_FLAG_INVALID_HAS_SPECIAL) {
uiItemL(layout, "It cannot contain special (non-alphabetical/numeric) characters", ICON_ERROR);
}
if (dvar->flag & DVAR_FLAG_INVALID_PY_KEYWORD) {
uiItemL(layout, "It cannot be a reserved keyword in Python", ICON_INFO);
}
UI_popup_menu_end(C, pup);
}
/* callback to reset the driver's flags */
static void driver_update_flags_cb(bContext *UNUSED(C), void *fcu_v, void *UNUSED(arg))
{
FCurve *fcu = (FCurve *)fcu_v;
ChannelDriver *driver = fcu->driver;
/* clear invalid flags */
fcu->flag &= ~FCURVE_DISABLED;
driver->flag &= ~DRIVER_FLAG_INVALID;
}
/* drivers panel poll */
static bool graph_panel_drivers_poll(const bContext *C, PanelType *UNUSED(pt))
{
SpaceGraph *sipo = CTX_wm_space_graph(C);
if (sipo->mode != SIPO_MODE_DRIVERS) {
return 0;
}
return graph_panel_context(C, NULL, NULL);
}
/* settings for 'single property' driver variable type */
static void graph_panel_driverVar__singleProp(uiLayout *layout, ID *id, DriverVar *dvar)
{
DriverTarget *dtar = &dvar->targets[0];
PointerRNA dtar_ptr;
uiLayout *row, *col;
/* initialize RNA pointer to the target */
RNA_pointer_create(id, &RNA_DriverTarget, dtar, &dtar_ptr);
/* Target ID */
row = uiLayoutRow(layout, false);
uiLayoutSetRedAlert(row, ((dtar->flag & DTAR_FLAG_INVALID) && !dtar->id));
uiTemplateAnyID(row, &dtar_ptr, "id", "id_type", IFACE_("Prop:"));
/* Target Property */
if (dtar->id) {
PointerRNA root_ptr;
/* get pointer for resolving the property selected */
RNA_id_pointer_create(dtar->id, &root_ptr);
/* rna path */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar->flag & DTAR_FLAG_INVALID));
uiTemplatePathBuilder(col, &dtar_ptr, "data_path", &root_ptr, IFACE_("Path"));
}
}
/* settings for 'rotation difference' driver variable type */
/* FIXME: 1) Must be same armature for both dtars, 2) Alignment issues... */
static void graph_panel_driverVar__rotDiff(uiLayout *layout, ID *id, DriverVar *dvar)
{
DriverTarget *dtar = &dvar->targets[0];
DriverTarget *dtar2 = &dvar->targets[1];
Object *ob1 = (Object *)dtar->id;
Object *ob2 = (Object *)dtar2->id;
PointerRNA dtar_ptr, dtar2_ptr;
uiLayout *col;
/* initialize RNA pointer to the target */
RNA_pointer_create(id, &RNA_DriverTarget, dtar, &dtar_ptr);
RNA_pointer_create(id, &RNA_DriverTarget, dtar2, &dtar2_ptr);
/* Object 1 */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar->flag & DTAR_FLAG_INVALID)); /* XXX: per field... */
uiItemR(col, &dtar_ptr, "id", 0, IFACE_("Object 1"), ICON_NONE);
if (dtar->id && GS(dtar->id->name) == ID_OB && ob1->pose) {
PointerRNA tar_ptr;
RNA_pointer_create(dtar->id, &RNA_Pose, ob1->pose, &tar_ptr);
uiItemPointerR(col, &dtar_ptr, "bone_target", &tar_ptr, "bones", "", ICON_BONE_DATA);
}
/* Object 2 */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar2->flag & DTAR_FLAG_INVALID)); /* XXX: per field... */
uiItemR(col, &dtar2_ptr, "id", 0, IFACE_("Object 2"), ICON_NONE);
if (dtar2->id && GS(dtar2->id->name) == ID_OB && ob2->pose) {
PointerRNA tar_ptr;
RNA_pointer_create(dtar2->id, &RNA_Pose, ob2->pose, &tar_ptr);
uiItemPointerR(col, &dtar2_ptr, "bone_target", &tar_ptr, "bones", "", ICON_BONE_DATA);
}
}
/* settings for 'location difference' driver variable type */
static void graph_panel_driverVar__locDiff(uiLayout *layout, ID *id, DriverVar *dvar)
{
DriverTarget *dtar = &dvar->targets[0];
DriverTarget *dtar2 = &dvar->targets[1];
Object *ob1 = (Object *)dtar->id;
Object *ob2 = (Object *)dtar2->id;
PointerRNA dtar_ptr, dtar2_ptr;
uiLayout *col;
/* initialize RNA pointer to the target */
RNA_pointer_create(id, &RNA_DriverTarget, dtar, &dtar_ptr);
RNA_pointer_create(id, &RNA_DriverTarget, dtar2, &dtar2_ptr);
/* Object 1 */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar->flag & DTAR_FLAG_INVALID)); /* XXX: per field... */
uiItemR(col, &dtar_ptr, "id", 0, IFACE_("Object 1"), ICON_NONE);
if (dtar->id && GS(dtar->id->name) == ID_OB && ob1->pose) {
PointerRNA tar_ptr;
RNA_pointer_create(dtar->id, &RNA_Pose, ob1->pose, &tar_ptr);
uiItemPointerR(
col, &dtar_ptr, "bone_target", &tar_ptr, "bones", IFACE_("Bone"), ICON_BONE_DATA);
}
/* we can clear it again now - it's only needed when creating the ID/Bone fields */
uiLayoutSetRedAlert(col, false);
uiItemR(col, &dtar_ptr, "transform_space", 0, NULL, ICON_NONE);
/* Object 2 */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar2->flag & DTAR_FLAG_INVALID)); /* XXX: per field... */
uiItemR(col, &dtar2_ptr, "id", 0, IFACE_("Object 2"), ICON_NONE);
if (dtar2->id && GS(dtar2->id->name) == ID_OB && ob2->pose) {
PointerRNA tar_ptr;
RNA_pointer_create(dtar2->id, &RNA_Pose, ob2->pose, &tar_ptr);
uiItemPointerR(
col, &dtar2_ptr, "bone_target", &tar_ptr, "bones", IFACE_("Bone"), ICON_BONE_DATA);
}
/* we can clear it again now - it's only needed when creating the ID/Bone fields */
uiLayoutSetRedAlert(col, false);
uiItemR(col, &dtar2_ptr, "transform_space", 0, NULL, ICON_NONE);
}
/* settings for 'transform channel' driver variable type */
static void graph_panel_driverVar__transChan(uiLayout *layout, ID *id, DriverVar *dvar)
{
DriverTarget *dtar = &dvar->targets[0];
Object *ob = (Object *)dtar->id;
PointerRNA dtar_ptr;
uiLayout *col, *sub;
/* initialize RNA pointer to the target */
RNA_pointer_create(id, &RNA_DriverTarget, dtar, &dtar_ptr);
/* properties */
col = uiLayoutColumn(layout, true);
uiLayoutSetRedAlert(col, (dtar->flag & DTAR_FLAG_INVALID)); /* XXX: per field... */
uiItemR(col, &dtar_ptr, "id", 0, IFACE_("Object"), ICON_NONE);
if (dtar->id && GS(dtar->id->name) == ID_OB && ob->pose) {
PointerRNA tar_ptr;
RNA_pointer_create(dtar->id, &RNA_Pose, ob->pose, &tar_ptr);
uiItemPointerR(
col, &dtar_ptr, "bone_target", &tar_ptr, "bones", IFACE_("Bone"), ICON_BONE_DATA);
}
sub = uiLayoutColumn(layout, true);
uiItemR(sub, &dtar_ptr, "transform_type", 0, NULL, ICON_NONE);
uiItemR(sub, &dtar_ptr, "transform_space", 0, IFACE_("Space"), ICON_NONE);
}
/* ----------------------------------------------------------------- */
/* property driven by the driver - duplicates Active FCurve, but useful for clarity */
static void graph_draw_driven_property_panel(uiLayout *layout, ID *id, FCurve *fcu)
{
PointerRNA fcu_ptr;
uiLayout *row;
char name[256];
int icon = 0;
/* F-Curve pointer */
RNA_pointer_create(id, &RNA_FCurve, fcu, &fcu_ptr);
/* get user-friendly 'name' for F-Curve */
icon = getname_anim_fcurve(name, id, fcu);
/* panel layout... */
row = uiLayoutRow(layout, true);
uiLayoutSetAlignment(row, UI_LAYOUT_ALIGN_LEFT);
/* -> user friendly 'name' for datablock that owns F-Curve */
/* XXX: Actually, we may need the datablock icons only...
* (e.g. right now will show bone for bone props). */
uiItemL(row, id->name + 2, icon);
/* -> user friendly 'name' for F-Curve/driver target */
uiItemL(row, "", ICON_SMALL_TRI_RIGHT_VEC);
uiItemL(row, name, ICON_RNA);
}
/* UI properties panel layout for driver settings - shared for Drivers Editor and for */
static void graph_draw_driver_settings_panel(uiLayout *layout,
ID *id,
FCurve *fcu,
const bool is_popover)
{
ChannelDriver *driver = fcu->driver;
DriverVar *dvar;
PointerRNA driver_ptr;
uiLayout *col, *row;
uiBlock *block;
uiBut *but;
/* set event handler for panel */
block = uiLayoutGetBlock(layout);
UI_block_func_handle_set(block, do_graph_region_driver_buttons, id);
/* driver-level settings - type, expressions, and errors */
RNA_pointer_create(id, &RNA_Driver, driver, &driver_ptr);
col = uiLayoutColumn(layout, true);
block = uiLayoutGetBlock(col);
uiItemR(col, &driver_ptr, "type", 0, NULL, ICON_NONE);
{
char valBuf[32];
/* value of driver */
row = uiLayoutRow(col, true);
uiItemL(row, IFACE_("Driver Value:"), ICON_NONE);
BLI_snprintf(valBuf, sizeof(valBuf), "%.3f", driver->curval);
uiItemL(row, valBuf, ICON_NONE);
}
uiItemS(layout);
uiItemS(layout);
/* show expression box if doing scripted drivers,
* and/or error messages when invalid drivers exist */
if (driver->type == DRIVER_TYPE_PYTHON) {
bool bpy_data_expr_error = (strstr(driver->expression, "bpy.data.") != NULL);
bool bpy_ctx_expr_error = (strstr(driver->expression, "bpy.context.") != NULL);
/* expression */
/* TODO: "Show syntax hints" button */
col = uiLayoutColumn(layout, true);
block = uiLayoutGetBlock(col);
uiItemL(col, IFACE_("Expression:"), ICON_NONE);
uiItemR(col, &driver_ptr, "expression", 0, "", ICON_NONE);
uiItemR(col, &driver_ptr, "use_self", 0, NULL, ICON_NONE);
/* errors? */
col = uiLayoutColumn(layout, true);
block = uiLayoutGetBlock(col);
if (driver->flag & DRIVER_FLAG_INVALID) {
uiItemL(col, IFACE_("ERROR: Invalid Python expression"), ICON_CANCEL);
}
else if (!BKE_driver_has_simple_expression(driver)) {
if ((G.f & G_FLAG_SCRIPT_AUTOEXEC) == 0) {
/* TODO: Add button to enable? */
uiItemL(col, IFACE_("WARNING: Python expressions limited for security"), ICON_ERROR);
}
else {
uiItemL(col, IFACE_("Slow Python expression"), ICON_INFO);
}
}
/* Explicit bpy-references are evil. Warn about these to prevent errors */
/* TODO: put these in a box? */
if (bpy_data_expr_error || bpy_ctx_expr_error) {
uiItemL(col, IFACE_("WARNING: Driver expression may not work correctly"), ICON_HELP);
if (bpy_data_expr_error) {
uiItemL(
col, IFACE_("TIP: Use variables instead of bpy.data paths (see below)"), ICON_ERROR);
}
if (bpy_ctx_expr_error) {
uiItemL(col, IFACE_("TIP: bpy.context is not safe for renderfarm usage"), ICON_ERROR);
}
}
}
else {
/* errors? */
col = uiLayoutColumn(layout, true);
block = uiLayoutGetBlock(col);
if (driver->flag & DRIVER_FLAG_INVALID) {
uiItemL(col, IFACE_("ERROR: Invalid target channel(s)"), ICON_ERROR);
}
/* Warnings about a lack of variables
* NOTE: The lack of variables is generally a bad thing, since it indicates
* that the driver doesn't work at all. This particular scenario arises
* primarily when users mistakenly try to use drivers for procedural
* property animation
*/
if (BLI_listbase_is_empty(&driver->variables)) {
uiItemL(col, IFACE_("ERROR: Driver is useless without any inputs"), ICON_ERROR);
if (!BLI_listbase_is_empty(&fcu->modifiers)) {
uiItemL(col, IFACE_("TIP: Use F-Curves for procedural animation instead"), ICON_INFO);
uiItemL(col, IFACE_("F-Modifiers can generate curves for those too"), ICON_INFO);
}
}
}
uiItemS(layout);
/* add/copy/paste driver variables */
if (is_popover) {
/* add driver variable - add blank */
row = uiLayoutRow(layout, true);
block = uiLayoutGetBlock(row);
but = uiDefIconTextBut(
block,
UI_BTYPE_BUT,
B_IPO_DEPCHANGE,
ICON_ADD,
IFACE_("Add Input Variable"),
0,
0,
10 * UI_UNIT_X,
UI_UNIT_Y,
NULL,
0.0,
0.0,
0,
0,
TIP_("Add a Driver Variable to keep track an input used by the driver"));
UI_but_func_set(but, driver_add_var_cb, driver, NULL);
/* add driver variable - add using eyedropper */
/* XXX: will this operator work like this? */
uiItemO(row, "", ICON_EYEDROPPER, "UI_OT_eyedropper_driver");
}
else {
/* add driver variable */
row = uiLayoutRow(layout, false);
block = uiLayoutGetBlock(row);
but = uiDefIconTextBut(block,
UI_BTYPE_BUT,
B_IPO_DEPCHANGE,
ICON_ADD,
IFACE_("Add Input Variable"),
0,
0,
10 * UI_UNIT_X,
UI_UNIT_Y,
NULL,
0.0,
0.0,
0,
0,
TIP_("Driver variables ensure that all dependencies will be accounted "
"for, ensuring that drivers will update correctly"));
UI_but_func_set(but, driver_add_var_cb, driver, NULL);
/* copy/paste (as sub-row) */
row = uiLayoutRow(row, true);
block = uiLayoutGetBlock(row);
uiItemO(row, "", ICON_COPYDOWN, "GRAPH_OT_driver_variables_copy");
uiItemO(row, "", ICON_PASTEDOWN, "GRAPH_OT_driver_variables_paste");
}
/* loop over targets, drawing them */
for (dvar = driver->variables.first; dvar; dvar = dvar->next) {
PointerRNA dvar_ptr;
uiLayout *box;
uiLayout *subrow, *sub;
/* sub-layout column for this variable's settings */
col = uiLayoutColumn(layout, true);
/* 1) header panel */
box = uiLayoutBox(col);
RNA_pointer_create(id, &RNA_DriverVariable, dvar, &dvar_ptr);
row = uiLayoutRow(box, false);
block = uiLayoutGetBlock(row);
/* 1.1) variable type and name */
subrow = uiLayoutRow(row, true);
/* 1.1.1) variable type */
/* HACK: special group just for the enum,
* otherwise we get ugly layout with text included too... */
sub = uiLayoutRow(subrow, true);
uiLayoutSetAlignment(sub, UI_LAYOUT_ALIGN_LEFT);
uiItemR(sub, &dvar_ptr, "type", UI_ITEM_R_ICON_ONLY, "", ICON_NONE);
/* 1.1.2) variable name */
/* HACK: special group to counteract the effects of the previous enum,
* which now pushes everything too far right */
sub = uiLayoutRow(subrow, true);
uiLayoutSetAlignment(sub, UI_LAYOUT_ALIGN_EXPAND);
uiItemR(sub, &dvar_ptr, "name", 0, "", ICON_NONE);
/* 1.2) invalid name? */
UI_block_emboss_set(block, UI_EMBOSS_NONE);
if (dvar->flag & DVAR_FLAG_INVALID_NAME) {
but = uiDefIconBut(block,
UI_BTYPE_BUT,
B_IPO_DEPCHANGE,
ICON_ERROR,
290,
0,
UI_UNIT_X,
UI_UNIT_Y,
NULL,
0.0,
0.0,
0.0,
0.0,
IFACE_("Invalid variable name, click here for details"));
UI_but_func_set(but, driver_dvar_invalid_name_query_cb, dvar, NULL); // XXX: reports?
}
/* 1.3) remove button */
but = uiDefIconBut(block,
UI_BTYPE_BUT,
B_IPO_DEPCHANGE,
ICON_X,
290,
0,
UI_UNIT_X,
UI_UNIT_Y,
NULL,
0.0,
0.0,
0.0,
0.0,
IFACE_("Delete target variable"));
UI_but_func_set(but, driver_delete_var_cb, driver, dvar);
UI_block_emboss_set(block, UI_EMBOSS);
/* 2) variable type settings */
box = uiLayoutBox(col);
/* controls to draw depends on the type of variable */
switch (dvar->type) {
case DVAR_TYPE_SINGLE_PROP: /* single property */
graph_panel_driverVar__singleProp(box, id, dvar);
break;
case DVAR_TYPE_ROT_DIFF: /* rotational difference */
graph_panel_driverVar__rotDiff(box, id, dvar);
break;
case DVAR_TYPE_LOC_DIFF: /* location difference */
graph_panel_driverVar__locDiff(box, id, dvar);
break;
case DVAR_TYPE_TRANSFORM_CHAN: /* transform channel */
graph_panel_driverVar__transChan(box, id, dvar);
break;
}
/* 3) value of variable */
{
char valBuf[32];
box = uiLayoutBox(col);
row = uiLayoutRow(box, true);
uiItemL(row, IFACE_("Value:"), ICON_NONE);
if ((dvar->type == DVAR_TYPE_ROT_DIFF) ||
(dvar->type == DVAR_TYPE_TRANSFORM_CHAN &&
dvar->targets[0].transChan >= DTAR_TRANSCHAN_ROTX &&
dvar->targets[0].transChan < DTAR_TRANSCHAN_SCALEX)) {
BLI_snprintf(
valBuf, sizeof(valBuf), "%.3f (%4.1f°)", dvar->curval, RAD2DEGF(dvar->curval));
}
else {
BLI_snprintf(valBuf, sizeof(valBuf), "%.3f", dvar->curval);
}
uiItemL(row, valBuf, ICON_NONE);
}
}
uiItemS(layout);
uiItemS(layout);
/* XXX: This should become redundant. But sometimes the flushing fails,
* so keep this around for a while longer as a "last resort" */
row = uiLayoutRow(layout, true);
block = uiLayoutGetBlock(row);
but = uiDefIconTextBut(
block,
UI_BTYPE_BUT,
B_IPO_DEPCHANGE,
ICON_FILE_REFRESH,
IFACE_("Update Dependencies"),
0,
0,
10 * UI_UNIT_X,
UI_UNIT_Y,
NULL,
0.0,
0.0,
0,
0,
TIP_("Force updates of dependencies - Only use this if drivers are not updating correctly"));
UI_but_func_set(but, driver_update_flags_cb, fcu, NULL);
}
/* ----------------------------------------------------------------- */
/* Panel to show property driven by the driver (in Drivers Editor) - duplicates Active FCurve,
* but useful for clarity. */
static void graph_panel_driven_property(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
if (!graph_panel_context(C, &ale, &fcu)) {
return;
}
graph_draw_driven_property_panel(pa->layout, ale->id, fcu);
MEM_freeN(ale);
}
/* driver settings for active F-Curve
* (only for 'Drivers' mode in Graph Editor, i.e. the full "Drivers Editor") */
static void graph_panel_drivers(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
/* Get settings from context */
if (!graph_panel_context(C, &ale, &fcu)) {
return;
}
graph_draw_driver_settings_panel(pa->layout, ale->id, fcu, false);
/* cleanup */
MEM_freeN(ale);
}
/* ----------------------------------------------------------------- */
/* Poll to make this not show up in the graph editor,
* as this is only to be used as a popup elsewhere. */
static bool graph_panel_drivers_popover_poll(const bContext *C, PanelType *UNUSED(pt))
{
return ED_operator_graphedit_active((bContext *)C) == false;
}
/* popover panel for driver editing anywhere in ui */
static void graph_panel_drivers_popover(const bContext *C, Panel *pa)
{
uiLayout *layout = pa->layout;
PointerRNA ptr = {{NULL}};
PropertyRNA *prop = NULL;
int index = -1;
uiBut *but = NULL;
/* Get active property to show driver properties for */
but = UI_context_active_but_prop_get((bContext *)C, &ptr, &prop, &index);
if (but) {
FCurve *fcu;
bool driven, special;
fcu = rna_get_fcurve_context_ui(
(bContext *)C, &ptr, prop, index, NULL, NULL, &driven, &special);
/* Hack: Force all buttons in this panel to be able to know the driver button
* this panel is getting spawned from, so that things like the "Open Drivers Editor"
* button will work.
*/
uiLayoutSetContextFromBut(layout, but);
/* Populate Panel - With a combination of the contents of the Driven and Driver panels */
if (fcu && fcu->driver) {
ID *id = ptr.id.data;
/* Driven Property Settings */
uiItemL(layout, IFACE_("Driven Property:"), ICON_NONE);
graph_draw_driven_property_panel(pa->layout, id, fcu);
/* TODO: All vs Single */
uiItemS(layout);
uiItemS(layout);
/* Drivers Settings */
uiItemL(layout, IFACE_("Driver Settings:"), ICON_NONE);
graph_draw_driver_settings_panel(pa->layout, id, fcu, true);
}
}
/* Show drivers editor is always visible */
uiItemO(layout, IFACE_("Show in Drivers Editor"), ICON_DRIVER, "SCREEN_OT_drivers_editor_show");
}
/* ******************* F-Modifiers ******************************** */
/* All the drawing code is in editors/animation/fmodifier_ui.c */
#define B_FMODIFIER_REDRAW 20
static void do_graph_region_modifier_buttons(bContext *C, void *UNUSED(arg), int event)
{
switch (event) {
case B_FMODIFIER_REDRAW: // XXX this should send depsgraph updates too
WM_event_add_notifier(
C, NC_ANIMATION, NULL); // XXX need a notifier specially for F-Modifiers
break;
}
}
static void graph_panel_modifiers(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
FModifier *fcm;
uiLayout *col, *row;
uiBlock *block;
bool active;
if (!graph_panel_context(C, &ale, &fcu)) {
return;
}
block = uiLayoutGetBlock(pa->layout);
UI_block_func_handle_set(block, do_graph_region_modifier_buttons, NULL);
/* 'add modifier' button at top of panel */
{
row = uiLayoutRow(pa->layout, false);
/* this is an operator button which calls a 'add modifier' operator...
* a menu might be nicer but would be tricky as we need some custom filtering
*/
uiItemMenuEnumO(
row, (bContext *)C, "GRAPH_OT_fmodifier_add", "type", IFACE_("Add Modifier"), ICON_NONE);
/* copy/paste (as sub-row) */
row = uiLayoutRow(row, true);
uiItemO(row, "", ICON_COPYDOWN, "GRAPH_OT_fmodifier_copy");
uiItemO(row, "", ICON_PASTEDOWN, "GRAPH_OT_fmodifier_paste");
}
active = !(fcu->flag & FCURVE_MOD_OFF);
/* draw each modifier */
for (fcm = fcu->modifiers.first; fcm; fcm = fcm->next) {
col = uiLayoutColumn(pa->layout, true);
uiLayoutSetActive(col, active);
ANIM_uiTemplate_fmodifier_draw(col, ale->fcurve_owner_id, &fcu->modifiers, fcm);
}
MEM_freeN(ale);
}
/* ******************* general ******************************** */
void graph_buttons_register(ARegionType *art)
{
PanelType *pt;
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel properties");
strcpy(pt->idname, "GRAPH_PT_properties");
strcpy(pt->label, N_("Active F-Curve"));
strcpy(pt->category, "F-Curve");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_properties;
pt->poll = graph_panel_poll;
BLI_addtail(&art->paneltypes, pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel properties");
strcpy(pt->idname, "GRAPH_PT_key_properties");
strcpy(pt->label, N_("Active Keyframe"));
strcpy(pt->category, "F-Curve");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_key_properties;
pt->poll = graph_panel_poll;
BLI_addtail(&art->paneltypes, pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel drivers driven");
strcpy(pt->idname, "GRAPH_PT_driven_property");
strcpy(pt->label, N_("Driven Property"));
strcpy(pt->category, "Drivers");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_driven_property;
pt->poll = graph_panel_drivers_poll;
BLI_addtail(&art->paneltypes, pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel drivers");
strcpy(pt->idname, "GRAPH_PT_drivers");
strcpy(pt->label, N_("Driver"));
strcpy(pt->category, "Drivers");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_drivers;
pt->poll = graph_panel_drivers_poll;
BLI_addtail(&art->paneltypes, pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel drivers pover");
strcpy(pt->idname, "GRAPH_PT_drivers_popover");
strcpy(pt->label, N_("Add/Edit Driver"));
strcpy(pt->category, "Drivers");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_drivers_popover;
pt->poll = graph_panel_drivers_popover_poll;
BLI_addtail(&art->paneltypes, pt);
/* This panel isn't used in this region.
* Add explicitly to global list (so popovers work). */
WM_paneltype_add(pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel modifiers");
strcpy(pt->idname, "GRAPH_PT_modifiers");
strcpy(pt->label, N_("Modifiers"));
strcpy(pt->category, "Modifiers");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_modifiers;
pt->poll = graph_panel_poll;
BLI_addtail(&art->paneltypes, pt);
pt = MEM_callocN(sizeof(PanelType), "spacetype graph panel view");
strcpy(pt->idname, "GRAPH_PT_view");
strcpy(pt->label, N_("View Properties"));
strcpy(pt->category, "View");
strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
pt->draw = graph_panel_view;
BLI_addtail(&art->paneltypes, pt);
}
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