tornavis/source/blender/editors/space_outliner/outliner_utils.cc

481 lines
13 KiB
C++

/* SPDX-FileCopyrightText: 2017 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup spoutliner
*/
#include <algorithm>
#include <cstring>
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "DNA_action_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "BKE_context.hh"
#include "BKE_layer.hh"
#include "BKE_object.hh"
#include "ED_outliner.hh"
#include "ED_screen.hh"
#include "UI_interface.hh"
#include "UI_view2d.hh"
#include "outliner_intern.hh"
#include "tree/tree_display.hh"
namespace blender::ed::outliner {
/* -------------------------------------------------------------------- */
/** \name Tree View Context
* \{ */
void outliner_viewcontext_init(const bContext *C, TreeViewContext *tvc)
{
memset(tvc, 0, sizeof(*tvc));
/* Scene level. */
tvc->scene = CTX_data_scene(C);
tvc->view_layer = CTX_data_view_layer(C);
/* Objects. */
BKE_view_layer_synced_ensure(tvc->scene, tvc->view_layer);
tvc->obact = BKE_view_layer_active_object_get(tvc->view_layer);
if (tvc->obact != nullptr) {
tvc->ob_edit = OBEDIT_FROM_OBACT(tvc->obact);
if ((tvc->obact->type == OB_ARMATURE) ||
/* This could be made into its own function. */
((tvc->obact->type == OB_MESH) && tvc->obact->mode & OB_MODE_WEIGHT_PAINT))
{
tvc->ob_pose = BKE_object_pose_armature_get(tvc->obact);
}
}
}
/** \} */
TreeElement *outliner_find_item_at_y(const SpaceOutliner *space_outliner,
const ListBase *tree,
float view_co_y)
{
LISTBASE_FOREACH (TreeElement *, te_iter, tree) {
if (view_co_y < (te_iter->ys + UI_UNIT_Y)) {
if (view_co_y >= te_iter->ys) {
/* co_y is inside this element */
return te_iter;
}
if (BLI_listbase_is_empty(&te_iter->subtree) ||
!TSELEM_OPEN(TREESTORE(te_iter), space_outliner))
{
/* No need for recursion. */
continue;
}
/* If the coordinate is lower than the next element, we can continue with that one and skip
* recursion too. */
const TreeElement *te_next = te_iter->next;
if (te_next && (view_co_y < (te_next->ys + UI_UNIT_Y))) {
continue;
}
/* co_y is lower than current element (but not lower than the next one), possibly inside
* children */
TreeElement *te_sub = outliner_find_item_at_y(space_outliner, &te_iter->subtree, view_co_y);
if (te_sub) {
return te_sub;
}
}
}
return nullptr;
}
static TreeElement *outliner_find_item_at_x_in_row_recursive(const TreeElement *parent_te,
float view_co_x,
bool *r_is_merged_icon)
{
TreeElement *child_te = static_cast<TreeElement *>(parent_te->subtree.first);
while (child_te) {
const bool over_element = (view_co_x > child_te->xs) && (view_co_x < child_te->xend);
if ((child_te->flag & TE_ICONROW) && over_element) {
return child_te;
}
if ((child_te->flag & TE_ICONROW_MERGED) && over_element) {
if (r_is_merged_icon) {
*r_is_merged_icon = true;
}
return child_te;
}
TreeElement *te = outliner_find_item_at_x_in_row_recursive(
child_te, view_co_x, r_is_merged_icon);
if (te != child_te) {
return te;
}
child_te = child_te->next;
}
/* return parent if no child is hovered */
return (TreeElement *)parent_te;
}
TreeElement *outliner_find_item_at_x_in_row(const SpaceOutliner *space_outliner,
TreeElement *parent_te,
float view_co_x,
bool *r_is_merged_icon,
bool *r_is_over_icon)
{
TreeStoreElem *parent_tselem = TREESTORE(parent_te);
TreeElement *te = parent_te;
/* If parent_te is opened, or it is a ViewLayer, it doesn't show children in row. */
if (!TSELEM_OPEN(parent_tselem, space_outliner) && parent_tselem->type != TSE_R_LAYER) {
te = outliner_find_item_at_x_in_row_recursive(parent_te, view_co_x, r_is_merged_icon);
}
if ((te != parent_te) || outliner_item_is_co_over_icon(parent_te, view_co_x)) {
*r_is_over_icon = true;
}
return te;
}
TreeElement *outliner_find_tree_element(ListBase *lb, const TreeStoreElem *store_elem)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
if (te->store_elem == store_elem) {
return te;
}
TreeElement *tes = outliner_find_tree_element(&te->subtree, store_elem);
if (tes) {
return tes;
}
}
return nullptr;
}
TreeElement *outliner_find_parent_element(ListBase *lb,
TreeElement *parent_te,
const TreeElement *child_te)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
if (te == child_te) {
return parent_te;
}
TreeElement *find_te = outliner_find_parent_element(&te->subtree, te, child_te);
if (find_te) {
return find_te;
}
}
return nullptr;
}
TreeElement *outliner_find_id(SpaceOutliner *space_outliner, ListBase *lb, const ID *id)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
TreeStoreElem *tselem = TREESTORE(te);
if (tselem->type == TSE_SOME_ID) {
if (tselem->id == id) {
return te;
}
}
TreeElement *tes = outliner_find_id(space_outliner, &te->subtree, id);
if (tes) {
return tes;
}
}
return nullptr;
}
TreeElement *outliner_find_posechannel(ListBase *lb, const bPoseChannel *pchan)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
if (te->directdata == pchan) {
return te;
}
TreeStoreElem *tselem = TREESTORE(te);
if (ELEM(tselem->type, TSE_POSE_BASE, TSE_POSE_CHANNEL)) {
TreeElement *tes = outliner_find_posechannel(&te->subtree, pchan);
if (tes) {
return tes;
}
}
}
return nullptr;
}
TreeElement *outliner_find_editbone(ListBase *lb, const EditBone *ebone)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
if (te->directdata == ebone) {
return te;
}
TreeStoreElem *tselem = TREESTORE(te);
if (ELEM(tselem->type, TSE_SOME_ID, TSE_EBONE)) {
TreeElement *tes = outliner_find_editbone(&te->subtree, ebone);
if (tes) {
return tes;
}
}
}
return nullptr;
}
TreeElement *outliner_search_back_te(TreeElement *te, short idcode)
{
TreeStoreElem *tselem;
te = te->parent;
while (te) {
tselem = TREESTORE(te);
if ((tselem->type == TSE_SOME_ID) && (te->idcode == idcode)) {
return te;
}
te = te->parent;
}
return nullptr;
}
ID *outliner_search_back(TreeElement *te, short idcode)
{
TreeElement *search_te;
TreeStoreElem *tselem;
search_te = outliner_search_back_te(te, idcode);
if (search_te) {
tselem = TREESTORE(search_te);
return tselem->id;
}
return nullptr;
}
bool outliner_tree_traverse(const SpaceOutliner *space_outliner,
ListBase *tree,
int filter_te_flag,
int filter_tselem_flag,
TreeTraversalFunc func,
void *customdata)
{
for (TreeElement *te = static_cast<TreeElement *>(tree->first), *te_next; te; te = te_next) {
TreeTraversalAction func_retval = TRAVERSE_CONTINUE;
/* in case te is freed in callback */
TreeStoreElem *tselem = TREESTORE(te);
ListBase subtree = te->subtree;
te_next = te->next;
if (filter_te_flag && (te->flag & filter_te_flag) == 0) {
/* skip */
}
else if (filter_tselem_flag && (tselem->flag & filter_tselem_flag) == 0) {
/* skip */
}
else {
func_retval = func(te, customdata);
}
/* Don't access te or tselem from now on! Might've been freed... */
if (func_retval == TRAVERSE_BREAK) {
return false;
}
if (func_retval == TRAVERSE_SKIP_CHILDS) {
/* skip */
}
else if (!outliner_tree_traverse(
space_outliner, &subtree, filter_te_flag, filter_tselem_flag, func, customdata))
{
return false;
}
}
return true;
}
float outliner_right_columns_width(const SpaceOutliner *space_outliner)
{
int num_columns = 0;
switch (space_outliner->outlinevis) {
case SO_DATA_API:
case SO_SEQUENCE:
case SO_LIBRARIES:
return 0.0f;
case SO_OVERRIDES_LIBRARY:
switch ((eSpaceOutliner_LibOverrideViewMode)space_outliner->lib_override_view_mode) {
case SO_LIB_OVERRIDE_VIEW_PROPERTIES:
num_columns = OL_RNA_COL_SIZEX / UI_UNIT_X;
break;
case SO_LIB_OVERRIDE_VIEW_HIERARCHIES:
num_columns = 1;
break;
}
break;
case SO_ID_ORPHANS:
num_columns = 3;
break;
case SO_VIEW_LAYER:
if (space_outliner->show_restrict_flags & SO_RESTRICT_ENABLE) {
num_columns++;
}
if (space_outliner->show_restrict_flags & SO_RESTRICT_HOLDOUT) {
num_columns++;
}
if (space_outliner->show_restrict_flags & SO_RESTRICT_INDIRECT_ONLY) {
num_columns++;
}
ATTR_FALLTHROUGH;
case SO_SCENES:
if (space_outliner->show_restrict_flags & SO_RESTRICT_SELECT) {
num_columns++;
}
if (space_outliner->show_restrict_flags & SO_RESTRICT_HIDE) {
num_columns++;
}
if (space_outliner->show_restrict_flags & SO_RESTRICT_VIEWPORT) {
num_columns++;
}
if (space_outliner->show_restrict_flags & SO_RESTRICT_RENDER) {
num_columns++;
}
break;
}
return (num_columns * UI_UNIT_X + V2D_SCROLL_WIDTH);
}
TreeElement *outliner_find_element_with_flag(const ListBase *lb, short flag)
{
LISTBASE_FOREACH (TreeElement *, te, lb) {
if ((TREESTORE(te)->flag & flag) == flag) {
return te;
}
TreeElement *active_element = outliner_find_element_with_flag(&te->subtree, flag);
if (active_element) {
return active_element;
}
}
return nullptr;
}
bool outliner_is_element_visible(const TreeElement *te)
{
TreeStoreElem *tselem;
while (te->parent) {
tselem = TREESTORE(te->parent);
if (tselem->flag & TSE_CLOSED) {
return false;
}
te = te->parent;
}
return true;
}
bool outliner_is_element_in_view(const TreeElement *te, const View2D *v2d)
{
return ((te->ys + UI_UNIT_Y) >= v2d->cur.ymin) && (te->ys <= v2d->cur.ymax);
}
bool outliner_item_is_co_over_name_icons(const TreeElement *te, float view_co_x)
{
/* Special case: count area left of Scene Collection as empty space */
bool outside_left = (TREESTORE(te)->type == TSE_VIEW_COLLECTION_BASE) ?
(view_co_x > te->xs + UI_UNIT_X) :
(view_co_x > te->xs);
return outside_left && (view_co_x < te->xend);
}
bool outliner_item_is_co_over_icon(const TreeElement *te, float view_co_x)
{
return (view_co_x > (te->xs + UI_UNIT_X)) && (view_co_x < (te->xs + UI_UNIT_X * 2));
}
bool outliner_item_is_co_over_name(const TreeElement *te, float view_co_x)
{
return (view_co_x > (te->xs + UI_UNIT_X * 2)) && (view_co_x < te->xend);
}
bool outliner_item_is_co_within_close_toggle(const TreeElement *te, float view_co_x)
{
return (view_co_x > te->xs) && (view_co_x < te->xs + UI_UNIT_X);
}
void outliner_scroll_view(SpaceOutliner *space_outliner, ARegion *region, int delta_y)
{
int tree_width, tree_height;
outliner_tree_dimensions(space_outliner, &tree_width, &tree_height);
int y_min = std::min(int(region->v2d.cur.ymin), -tree_height);
region->v2d.cur.ymax += delta_y;
region->v2d.cur.ymin += delta_y;
/* Adjust view if delta placed view outside total area */
int offset;
if (region->v2d.cur.ymax > -UI_UNIT_Y) {
offset = region->v2d.cur.ymax;
region->v2d.cur.ymax -= offset;
region->v2d.cur.ymin -= offset;
}
else if (region->v2d.cur.ymin < y_min) {
offset = y_min - region->v2d.cur.ymin;
region->v2d.cur.ymax += offset;
region->v2d.cur.ymin += offset;
}
}
void outliner_tag_redraw_avoid_rebuild_on_open_change(const SpaceOutliner *space_outliner,
ARegion *region)
{
/* Avoid rebuild if possible. */
if (space_outliner->runtime->tree_display->is_lazy_built()) {
ED_region_tag_redraw(region);
}
else {
ED_region_tag_redraw_no_rebuild(region);
}
}
} // namespace blender::ed::outliner
using namespace blender::ed::outliner;
Base *ED_outliner_give_base_under_cursor(bContext *C, const int mval[2])
{
ARegion *region = CTX_wm_region(C);
const Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
SpaceOutliner *space_outliner = CTX_wm_space_outliner(C);
TreeElement *te;
Base *base = nullptr;
float view_mval[2];
UI_view2d_region_to_view(&region->v2d, mval[0], mval[1], &view_mval[0], &view_mval[1]);
te = outliner_find_item_at_y(space_outliner, &space_outliner->tree, view_mval[1]);
if (te) {
TreeStoreElem *tselem = TREESTORE(te);
if ((tselem->type == TSE_SOME_ID) && (te->idcode == ID_OB)) {
Object *ob = (Object *)tselem->id;
BKE_view_layer_synced_ensure(scene, view_layer);
base = (te->directdata) ? (Base *)te->directdata : BKE_view_layer_base_find(view_layer, ob);
}
}
return base;
}