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blender-archive/source/blender/blenkernel/intern/screen.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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#ifdef WIN32
# include "BLI_winstuff.h"
#endif
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_defaults.h"
#include "DNA_gpencil_types.h"
#include "DNA_mask_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_text_types.h"
#include "DNA_view3d_types.h"
#include "DNA_workspace_types.h"
#include "BLI_listbase.h"
#include "BLI_math_vector.h"
#include "BLI_mempool.h"
#include "BLI_rect.h"
#include "BLI_utildefines.h"
#include "BLT_translation.h"
#include "BKE_icons.h"
#include "BKE_idprop.h"
#include "BKE_idtype.h"
#include "BKE_lib_query.h"
#include "BKE_node.h"
#include "BKE_screen.h"
#include "BKE_workspace.h"
static void screen_free_data(ID *id)
{
bScreen *screen = (bScreen *)id;
ARegion *region;
/* No animdata here. */
for (region = screen->regionbase.first; region; region = region->next) {
BKE_area_region_free(NULL, region);
}
BLI_freelistN(&screen->regionbase);
BKE_screen_area_map_free(AREAMAP_FROM_SCREEN(screen));
BKE_previewimg_free(&screen->preview);
/* Region and timer are freed by the window manager. */
MEM_SAFE_FREE(screen->tool_tip);
}
static void screen_foreach_id_dopesheet(LibraryForeachIDData *data, bDopeSheet *ads)
{
if (ads != NULL) {
BKE_LIB_FOREACHID_PROCESS_ID(data, ads->source, IDWALK_CB_NOP);
BKE_LIB_FOREACHID_PROCESS(data, ads->filter_grp, IDWALK_CB_NOP);
}
}
void BKE_screen_foreach_id_screen_area(LibraryForeachIDData *data, ScrArea *area)
{
BKE_LIB_FOREACHID_PROCESS(data, area->full, IDWALK_CB_NOP);
/* TODO this should be moved to a callback in `SpaceType`, defined in each editor's own code.
* Will be for a later round of cleanup though... */
LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
switch (sl->spacetype) {
case SPACE_VIEW3D: {
View3D *v3d = (View3D *)sl;
BKE_LIB_FOREACHID_PROCESS(data, v3d->camera, IDWALK_CB_NOP);
BKE_LIB_FOREACHID_PROCESS(data, v3d->ob_center, IDWALK_CB_NOP);
if (v3d->localvd) {
BKE_LIB_FOREACHID_PROCESS(data, v3d->localvd->camera, IDWALK_CB_NOP);
}
break;
}
case SPACE_GRAPH: {
SpaceGraph *sipo = (SpaceGraph *)sl;
screen_foreach_id_dopesheet(data, sipo->ads);
break;
}
case SPACE_PROPERTIES: {
SpaceProperties *sbuts = (SpaceProperties *)sl;
BKE_LIB_FOREACHID_PROCESS_ID(data, sbuts->pinid, IDWALK_CB_NOP);
break;
}
case SPACE_FILE:
break;
case SPACE_ACTION: {
SpaceAction *saction = (SpaceAction *)sl;
screen_foreach_id_dopesheet(data, &saction->ads);
BKE_LIB_FOREACHID_PROCESS(data, saction->action, IDWALK_CB_NOP);
break;
}
case SPACE_IMAGE: {
SpaceImage *sima = (SpaceImage *)sl;
BKE_LIB_FOREACHID_PROCESS(data, sima->image, IDWALK_CB_USER_ONE);
BKE_LIB_FOREACHID_PROCESS(data, sima->mask_info.mask, IDWALK_CB_USER_ONE);
BKE_LIB_FOREACHID_PROCESS(data, sima->gpd, IDWALK_CB_USER);
break;
}
case SPACE_SEQ: {
SpaceSeq *sseq = (SpaceSeq *)sl;
BKE_LIB_FOREACHID_PROCESS(data, sseq->gpd, IDWALK_CB_USER);
break;
}
case SPACE_NLA: {
SpaceNla *snla = (SpaceNla *)sl;
screen_foreach_id_dopesheet(data, snla->ads);
break;
}
case SPACE_TEXT: {
SpaceText *st = (SpaceText *)sl;
BKE_LIB_FOREACHID_PROCESS(data, st->text, IDWALK_CB_NOP);
break;
}
case SPACE_SCRIPT: {
SpaceScript *scpt = (SpaceScript *)sl;
BKE_LIB_FOREACHID_PROCESS(data, scpt->script, IDWALK_CB_NOP);
break;
}
case SPACE_OUTLINER: {
SpaceOutliner *space_outliner = (SpaceOutliner *)sl;
BKE_LIB_FOREACHID_PROCESS_ID(data, space_outliner->search_tse.id, IDWALK_CB_NOP);
if (space_outliner->treestore != NULL) {
TreeStoreElem *tselem;
BLI_mempool_iter iter;
BLI_mempool_iternew(space_outliner->treestore, &iter);
while ((tselem = BLI_mempool_iterstep(&iter))) {
BKE_LIB_FOREACHID_PROCESS_ID(data, tselem->id, IDWALK_CB_NOP);
}
}
break;
}
case SPACE_NODE: {
SpaceNode *snode = (SpaceNode *)sl;
const bool is_private_nodetree = snode->id != NULL &&
ntreeFromID(snode->id) == snode->nodetree;
BKE_LIB_FOREACHID_PROCESS_ID(data, snode->id, IDWALK_CB_NOP);
BKE_LIB_FOREACHID_PROCESS_ID(data, snode->from, IDWALK_CB_NOP);
BKE_LIB_FOREACHID_PROCESS(
data, snode->nodetree, is_private_nodetree ? IDWALK_CB_EMBEDDED : IDWALK_CB_USER_ONE);
LISTBASE_FOREACH (bNodeTreePath *, path, &snode->treepath) {
if (path == snode->treepath.first) {
/* first nodetree in path is same as snode->nodetree */
BKE_LIB_FOREACHID_PROCESS(data,
path->nodetree,
is_private_nodetree ? IDWALK_CB_EMBEDDED :
IDWALK_CB_USER_ONE);
}
else {
BKE_LIB_FOREACHID_PROCESS(data, path->nodetree, IDWALK_CB_USER_ONE);
}
if (path->nodetree == NULL) {
break;
}
}
BKE_LIB_FOREACHID_PROCESS(data, snode->edittree, IDWALK_CB_NOP);
break;
}
case SPACE_CLIP: {
SpaceClip *sclip = (SpaceClip *)sl;
BKE_LIB_FOREACHID_PROCESS(data, sclip->clip, IDWALK_CB_USER_ONE);
BKE_LIB_FOREACHID_PROCESS(data, sclip->mask_info.mask, IDWALK_CB_USER_ONE);
break;
}
default:
break;
}
}
}
static void screen_foreach_id(ID *id, LibraryForeachIDData *data)
{
if (BKE_lib_query_foreachid_process_flags_get(data) & IDWALK_INCLUDE_UI) {
bScreen *screen = (bScreen *)id;
LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
BKE_screen_foreach_id_screen_area(data, area);
}
}
}
IDTypeInfo IDType_ID_SCR = {
.id_code = ID_SCR,
.id_filter = 0,
.main_listbase_index = INDEX_ID_SCR,
.struct_size = sizeof(bScreen),
.name = "Screen",
.name_plural = "screens",
.translation_context = BLT_I18NCONTEXT_ID_SCREEN,
.flags = IDTYPE_FLAGS_NO_COPY | IDTYPE_FLAGS_NO_MAKELOCAL,
.init_data = NULL,
.copy_data = NULL,
.free_data = screen_free_data,
.make_local = NULL,
.foreach_id = screen_foreach_id,
.foreach_cache = NULL,
.blend_write = NULL,
.blend_read_data = NULL,
.blend_read_lib = NULL,
.blend_read_expand = NULL,
};
/* ************ Spacetype/regiontype handling ************** */
/* keep global; this has to be accessible outside of windowmanager */
static ListBase spacetypes = {NULL, NULL};
/* not SpaceType itself */
static void spacetype_free(SpaceType *st)
{
ARegionType *art;
PanelType *pt;
HeaderType *ht;
for (art = st->regiontypes.first; art; art = art->next) {
BLI_freelistN(&art->drawcalls);
for (pt = art->paneltypes.first; pt; pt = pt->next) {
if (pt->rna_ext.free) {
pt->rna_ext.free(pt->rna_ext.data);
}
BLI_freelistN(&pt->children);
}
for (ht = art->headertypes.first; ht; ht = ht->next) {
if (ht->rna_ext.free) {
ht->rna_ext.free(ht->rna_ext.data);
}
}
BLI_freelistN(&art->paneltypes);
BLI_freelistN(&art->headertypes);
}
BLI_freelistN(&st->regiontypes);
}
void BKE_spacetypes_free(void)
{
SpaceType *st;
for (st = spacetypes.first; st; st = st->next) {
spacetype_free(st);
}
BLI_freelistN(&spacetypes);
}
SpaceType *BKE_spacetype_from_id(int spaceid)
{
SpaceType *st;
for (st = spacetypes.first; st; st = st->next) {
if (st->spaceid == spaceid) {
return st;
}
}
return NULL;
}
ARegionType *BKE_regiontype_from_id_or_first(SpaceType *st, int regionid)
{
ARegionType *art;
for (art = st->regiontypes.first; art; art = art->next) {
if (art->regionid == regionid) {
return art;
}
}
printf(
"Error, region type %d missing in - name:\"%s\", id:%d\n", regionid, st->name, st->spaceid);
return st->regiontypes.first;
}
ARegionType *BKE_regiontype_from_id(SpaceType *st, int regionid)
{
ARegionType *art;
for (art = st->regiontypes.first; art; art = art->next) {
if (art->regionid == regionid) {
return art;
}
}
return NULL;
}
const ListBase *BKE_spacetypes_list(void)
{
return &spacetypes;
}
void BKE_spacetype_register(SpaceType *st)
{
SpaceType *stype;
/* sanity check */
stype = BKE_spacetype_from_id(st->spaceid);
if (stype) {
printf("error: redefinition of spacetype %s\n", stype->name);
spacetype_free(stype);
MEM_freeN(stype);
}
BLI_addtail(&spacetypes, st);
}
bool BKE_spacetype_exists(int spaceid)
{
return BKE_spacetype_from_id(spaceid) != NULL;
}
/* ***************** Space handling ********************** */
void BKE_spacedata_freelist(ListBase *lb)
{
SpaceLink *sl;
ARegion *region;
for (sl = lb->first; sl; sl = sl->next) {
SpaceType *st = BKE_spacetype_from_id(sl->spacetype);
/* free regions for pushed spaces */
for (region = sl->regionbase.first; region; region = region->next) {
BKE_area_region_free(st, region);
}
BLI_freelistN(&sl->regionbase);
if (st && st->free) {
st->free(sl);
}
}
BLI_freelistN(lb);
}
static void panel_list_copy(ListBase *newlb, const ListBase *lb)
{
BLI_listbase_clear(newlb);
BLI_duplicatelist(newlb, lb);
/* copy panel pointers */
Panel *new_panel = newlb->first;
Panel *panel = lb->first;
for (; new_panel; new_panel = new_panel->next, panel = panel->next) {
new_panel->activedata = NULL;
new_panel->runtime.custom_data_ptr = NULL;
panel_list_copy(&new_panel->children, &panel->children);
}
}
ARegion *BKE_area_region_copy(SpaceType *st, ARegion *region)
{
ARegion *newar = MEM_dupallocN(region);
newar->prev = newar->next = NULL;
BLI_listbase_clear(&newar->handlers);
BLI_listbase_clear(&newar->uiblocks);
BLI_listbase_clear(&newar->panels_category);
BLI_listbase_clear(&newar->panels_category_active);
BLI_listbase_clear(&newar->ui_lists);
newar->visible = 0;
newar->gizmo_map = NULL;
newar->regiontimer = NULL;
newar->headerstr = NULL;
newar->draw_buffer = NULL;
/* use optional regiondata callback */
if (region->regiondata) {
ARegionType *art = BKE_regiontype_from_id(st, region->regiontype);
if (art && art->duplicate) {
newar->regiondata = art->duplicate(region->regiondata);
}
else if (region->flag & RGN_FLAG_TEMP_REGIONDATA) {
newar->regiondata = NULL;
}
else {
newar->regiondata = MEM_dupallocN(region->regiondata);
}
}
if (region->v2d.tab_offset) {
newar->v2d.tab_offset = MEM_dupallocN(region->v2d.tab_offset);
}
panel_list_copy(&newar->panels, &region->panels);
BLI_listbase_clear(&newar->ui_previews);
BLI_duplicatelist(&newar->ui_previews, &region->ui_previews);
return newar;
}
/* from lb2 to lb1, lb1 is supposed to be freed */
static void region_copylist(SpaceType *st, ListBase *lb1, ListBase *lb2)
{
ARegion *region;
/* to be sure */
BLI_listbase_clear(lb1);
for (region = lb2->first; region; region = region->next) {
ARegion *arnew = BKE_area_region_copy(st, region);
BLI_addtail(lb1, arnew);
}
}
/* lb1 should be empty */
void BKE_spacedata_copylist(ListBase *lb1, ListBase *lb2)
{
SpaceLink *sl;
BLI_listbase_clear(lb1); /* to be sure */
for (sl = lb2->first; sl; sl = sl->next) {
SpaceType *st = BKE_spacetype_from_id(sl->spacetype);
if (st && st->duplicate) {
SpaceLink *slnew = st->duplicate(sl);
BLI_addtail(lb1, slnew);
region_copylist(st, &slnew->regionbase, &sl->regionbase);
}
}
}
/* facility to set locks for drawing to survive (render) threads accessing drawing data */
/* lock can become bitflag too */
/* should be replaced in future by better local data handling for threads */
void BKE_spacedata_draw_locks(int set)
{
SpaceType *st;
for (st = spacetypes.first; st; st = st->next) {
ARegionType *art;
for (art = st->regiontypes.first; art; art = art->next) {
if (set) {
art->do_lock = art->lock;
}
else {
art->do_lock = false;
}
}
}
}
/**
* Version of #BKE_area_find_region_type that also works if \a slink
* is not the active space of \a area.
*/
ARegion *BKE_spacedata_find_region_type(const SpaceLink *slink,
const ScrArea *area,
int region_type)
{
const bool is_slink_active = slink == area->spacedata.first;
const ListBase *regionbase = (is_slink_active) ? &area->regionbase : &slink->regionbase;
ARegion *region = NULL;
BLI_assert(BLI_findindex(&area->spacedata, slink) != -1);
for (region = regionbase->first; region; region = region->next) {
if (region->regiontype == region_type) {
break;
}
}
/* Should really unit test this instead. */
BLI_assert(!is_slink_active || region == BKE_area_find_region_type(area, region_type));
return region;
}
static void (*spacedata_id_remap_cb)(struct ScrArea *area,
struct SpaceLink *sl,
ID *old_id,
ID *new_id) = NULL;
void BKE_spacedata_callback_id_remap_set(void (*func)(ScrArea *area, SpaceLink *sl, ID *, ID *))
{
spacedata_id_remap_cb = func;
}
/* UNUSED!!! */
void BKE_spacedata_id_unref(struct ScrArea *area, struct SpaceLink *sl, struct ID *id)
{
if (spacedata_id_remap_cb) {
spacedata_id_remap_cb(area, sl, id, NULL);
}
}
/**
* Avoid bad-level calls to #WM_gizmomap_tag_refresh.
*/
static void (*region_refresh_tag_gizmomap_callback)(struct wmGizmoMap *) = NULL;
void BKE_region_callback_refresh_tag_gizmomap_set(void (*callback)(struct wmGizmoMap *))
{
region_refresh_tag_gizmomap_callback = callback;
}
void BKE_screen_gizmo_tag_refresh(struct bScreen *screen)
{
if (region_refresh_tag_gizmomap_callback == NULL) {
return;
}
ScrArea *area;
ARegion *region;
for (area = screen->areabase.first; area; area = area->next) {
for (region = area->regionbase.first; region; region = region->next) {
if (region->gizmo_map != NULL) {
region_refresh_tag_gizmomap_callback(region->gizmo_map);
}
}
}
}
/**
* Avoid bad-level calls to #WM_gizmomap_delete.
*/
static void (*region_free_gizmomap_callback)(struct wmGizmoMap *) = NULL;
void BKE_region_callback_free_gizmomap_set(void (*callback)(struct wmGizmoMap *))
{
region_free_gizmomap_callback = callback;
}
static void area_region_panels_free_recursive(Panel *panel)
{
MEM_SAFE_FREE(panel->activedata);
LISTBASE_FOREACH_MUTABLE (Panel *, child_panel, &panel->children) {
area_region_panels_free_recursive(child_panel);
}
MEM_freeN(panel);
}
void BKE_area_region_panels_free(ListBase *panels)
{
LISTBASE_FOREACH_MUTABLE (Panel *, panel, panels) {
/* Free custom data just for parent panels to avoid a double free. */
MEM_SAFE_FREE(panel->runtime.custom_data_ptr);
area_region_panels_free_recursive(panel);
}
BLI_listbase_clear(panels);
}
/* not region itself */
void BKE_area_region_free(SpaceType *st, ARegion *region)
{
uiList *uilst;
if (st) {
ARegionType *art = BKE_regiontype_from_id(st, region->regiontype);
if (art && art->free) {
art->free(region);
}
if (region->regiondata) {
printf("regiondata free error\n");
}
}
else if (region->type && region->type->free) {
region->type->free(region);
}
if (region->v2d.tab_offset) {
MEM_freeN(region->v2d.tab_offset);
region->v2d.tab_offset = NULL;
}
BKE_area_region_panels_free(&region->panels);
for (uilst = region->ui_lists.first; uilst; uilst = uilst->next) {
if (uilst->dyn_data) {
uiListDyn *dyn_data = uilst->dyn_data;
if (dyn_data->items_filter_flags) {
MEM_freeN(dyn_data->items_filter_flags);
}
if (dyn_data->items_filter_neworder) {
MEM_freeN(dyn_data->items_filter_neworder);
}
MEM_freeN(dyn_data);
}
if (uilst->properties) {
IDP_FreeProperty(uilst->properties);
}
}
if (region->gizmo_map != NULL) {
region_free_gizmomap_callback(region->gizmo_map);
}
BLI_freelistN(&region->ui_lists);
BLI_freelistN(&region->ui_previews);
BLI_freelistN(&region->panels_category);
BLI_freelistN(&region->panels_category_active);
}
/* not area itself */
void BKE_screen_area_free(ScrArea *area)
{
SpaceType *st = BKE_spacetype_from_id(area->spacetype);
ARegion *region;
for (region = area->regionbase.first; region; region = region->next) {
BKE_area_region_free(st, region);
}
MEM_SAFE_FREE(area->global);
BLI_freelistN(&area->regionbase);
BKE_spacedata_freelist(&area->spacedata);
BLI_freelistN(&area->actionzones);
}
void BKE_screen_area_map_free(ScrAreaMap *area_map)
{
for (ScrArea *area = area_map->areabase.first, *area_next; area; area = area_next) {
area_next = area->next;
BKE_screen_area_free(area);
}
BLI_freelistN(&area_map->vertbase);
BLI_freelistN(&area_map->edgebase);
BLI_freelistN(&area_map->areabase);
}
/** Free (or release) any data used by this screen (does not free the screen itself). */
void BKE_screen_free(bScreen *screen)
{
screen_free_data(&screen->id);
}
/* ***************** Screen edges & verts ***************** */
ScrEdge *BKE_screen_find_edge(bScreen *screen, ScrVert *v1, ScrVert *v2)
{
ScrEdge *se;
BKE_screen_sort_scrvert(&v1, &v2);
for (se = screen->edgebase.first; se; se = se->next) {
if (se->v1 == v1 && se->v2 == v2) {
return se;
}
}
return NULL;
}
void BKE_screen_sort_scrvert(ScrVert **v1, ScrVert **v2)
{
ScrVert *tmp;
if (*v1 > *v2) {
tmp = *v1;
*v1 = *v2;
*v2 = tmp;
}
}
void BKE_screen_remove_double_scrverts(bScreen *screen)
{
ScrVert *v1, *verg;
ScrEdge *se;
ScrArea *area;
verg = screen->vertbase.first;
while (verg) {
if (verg->newv == NULL) { /* !!! */
v1 = verg->next;
while (v1) {
if (v1->newv == NULL) { /* !?! */
if (v1->vec.x == verg->vec.x && v1->vec.y == verg->vec.y) {
/* printf("doublevert\n"); */
v1->newv = verg;
}
}
v1 = v1->next;
}
}
verg = verg->next;
}
/* replace pointers in edges and faces */
se = screen->edgebase.first;
while (se) {
if (se->v1->newv) {
se->v1 = se->v1->newv;
}
if (se->v2->newv) {
se->v2 = se->v2->newv;
}
/* edges changed: so.... */
BKE_screen_sort_scrvert(&(se->v1), &(se->v2));
se = se->next;
}
area = screen->areabase.first;
while (area) {
if (area->v1->newv) {
area->v1 = area->v1->newv;
}
if (area->v2->newv) {
area->v2 = area->v2->newv;
}
if (area->v3->newv) {
area->v3 = area->v3->newv;
}
if (area->v4->newv) {
area->v4 = area->v4->newv;
}
area = area->next;
}
/* remove */
verg = screen->vertbase.first;
while (verg) {
v1 = verg->next;
if (verg->newv) {
BLI_remlink(&screen->vertbase, verg);
MEM_freeN(verg);
}
verg = v1;
}
}
void BKE_screen_remove_double_scredges(bScreen *screen)
{
ScrEdge *verg, *se, *sn;
/* compare */
verg = screen->edgebase.first;
while (verg) {
se = verg->next;
while (se) {
sn = se->next;
if (verg->v1 == se->v1 && verg->v2 == se->v2) {
BLI_remlink(&screen->edgebase, se);
MEM_freeN(se);
}
se = sn;
}
verg = verg->next;
}
}
void BKE_screen_remove_unused_scredges(bScreen *screen)
{
ScrEdge *se, *sen;
ScrArea *area;
int a = 0;
/* sets flags when edge is used in area */
area = screen->areabase.first;
while (area) {
se = BKE_screen_find_edge(screen, area->v1, area->v2);
if (se == NULL) {
printf("error: area %d edge 1 doesn't exist\n", a);
}
else {
se->flag = 1;
}
se = BKE_screen_find_edge(screen, area->v2, area->v3);
if (se == NULL) {
printf("error: area %d edge 2 doesn't exist\n", a);
}
else {
se->flag = 1;
}
se = BKE_screen_find_edge(screen, area->v3, area->v4);
if (se == NULL) {
printf("error: area %d edge 3 doesn't exist\n", a);
}
else {
se->flag = 1;
}
se = BKE_screen_find_edge(screen, area->v4, area->v1);
if (se == NULL) {
printf("error: area %d edge 4 doesn't exist\n", a);
}
else {
se->flag = 1;
}
area = area->next;
a++;
}
se = screen->edgebase.first;
while (se) {
sen = se->next;
if (se->flag == 0) {
BLI_remlink(&screen->edgebase, se);
MEM_freeN(se);
}
else {
se->flag = 0;
}
se = sen;
}
}
void BKE_screen_remove_unused_scrverts(bScreen *screen)
{
ScrVert *sv, *svn;
ScrEdge *se;
/* we assume edges are ok */
se = screen->edgebase.first;
while (se) {
se->v1->flag = 1;
se->v2->flag = 1;
se = se->next;
}
sv = screen->vertbase.first;
while (sv) {
svn = sv->next;
if (sv->flag == 0) {
BLI_remlink(&screen->vertbase, sv);
MEM_freeN(sv);
}
else {
sv->flag = 0;
}
sv = svn;
}
}
/* ***************** Utilities ********************** */
/**
* Find a region of type \a region_type in the currently active space of \a area.
*
* \note This does _not_ work if the region to look up is not in the active
* space. Use #BKE_spacedata_find_region_type if that may be the case.
*/
ARegion *BKE_area_find_region_type(const ScrArea *area, int region_type)
{
if (area) {
LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
if (region->regiontype == region_type) {
return region;
}
}
}
return NULL;
}
ARegion *BKE_area_find_region_active_win(ScrArea *area)
{
if (area) {
ARegion *region = BLI_findlink(&area->regionbase, area->region_active_win);
if (region && (region->regiontype == RGN_TYPE_WINDOW)) {
return region;
}
/* fallback to any */
return BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
}
return NULL;
}
ARegion *BKE_area_find_region_xy(ScrArea *area, const int regiontype, int x, int y)
{
ARegion *region_found = NULL;
if (area) {
ARegion *region;
for (region = area->regionbase.first; region; region = region->next) {
if ((regiontype == RGN_TYPE_ANY) || (region->regiontype == regiontype)) {
if (BLI_rcti_isect_pt(&region->winrct, x, y)) {
region_found = region;
break;
}
}
}
}
return region_found;
}
/**
* \note This is only for screen level regions (typically menus/popups).
*/
ARegion *BKE_screen_find_region_xy(bScreen *screen, const int regiontype, int x, int y)
{
ARegion *region_found = NULL;
LISTBASE_FOREACH (ARegion *, region, &screen->regionbase) {
if ((regiontype == RGN_TYPE_ANY) || (region->regiontype == regiontype)) {
if (BLI_rcti_isect_pt(&region->winrct, x, y)) {
region_found = region;
break;
}
}
}
return region_found;
}
/**
* \note Ideally we can get the area from the context,
* there are a few places however where this isn't practical.
*/
ScrArea *BKE_screen_find_area_from_space(struct bScreen *screen, SpaceLink *sl)
{
ScrArea *area;
for (area = screen->areabase.first; area; area = area->next) {
if (BLI_findindex(&area->spacedata, sl) != -1) {
break;
}
}
return area;
}
/**
* \note Using this function is generally a last resort, you really want to be
* using the context when you can - campbell
*/
ScrArea *BKE_screen_find_big_area(bScreen *screen, const int spacetype, const short min)
{
ScrArea *area, *big = NULL;
int size, maxsize = 0;
for (area = screen->areabase.first; area; area = area->next) {
if ((spacetype == SPACE_TYPE_ANY) || (area->spacetype == spacetype)) {
if (min <= area->winx && min <= area->winy) {
size = area->winx * area->winy;
if (size > maxsize) {
maxsize = size;
big = area;
}
}
}
}
return big;
}
ScrArea *BKE_screen_area_map_find_area_xy(const ScrAreaMap *areamap,
const int spacetype,
int x,
int y)
{
LISTBASE_FOREACH (ScrArea *, area, &areamap->areabase) {
if (BLI_rcti_isect_pt(&area->totrct, x, y)) {
if ((spacetype == SPACE_TYPE_ANY) || (area->spacetype == spacetype)) {
return area;
}
break;
}
}
return NULL;
}
ScrArea *BKE_screen_find_area_xy(bScreen *screen, const int spacetype, int x, int y)
{
return BKE_screen_area_map_find_area_xy(AREAMAP_FROM_SCREEN(screen), spacetype, x, y);
}
void BKE_screen_view3d_sync(View3D *v3d, struct Scene *scene)
{
if (v3d->scenelock && v3d->localvd == NULL) {
v3d->camera = scene->camera;
if (v3d->camera == NULL) {
ARegion *region;
for (region = v3d->regionbase.first; region; region = region->next) {
if (region->regiontype == RGN_TYPE_WINDOW) {
RegionView3D *rv3d = region->regiondata;
if (rv3d->persp == RV3D_CAMOB) {
rv3d->persp = RV3D_PERSP;
}
}
}
}
}
}
void BKE_screen_view3d_scene_sync(bScreen *screen, Scene *scene)
{
/* are there cameras in the views that are not in the scene? */
ScrArea *area;
for (area = screen->areabase.first; area; area = area->next) {
SpaceLink *sl;
for (sl = area->spacedata.first; sl; sl = sl->next) {
if (sl->spacetype == SPACE_VIEW3D) {
View3D *v3d = (View3D *)sl;
BKE_screen_view3d_sync(v3d, scene);
}
}
}
}
void BKE_screen_view3d_shading_init(View3DShading *shading)
{
const View3DShading *shading_default = DNA_struct_default_get(View3DShading);
memcpy(shading, shading_default, sizeof(*shading));
}
ARegion *BKE_screen_find_main_region_at_xy(bScreen *screen,
const int space_type,
const int x,
const int y)
{
ScrArea *area = BKE_screen_find_area_xy(screen, space_type, x, y);
if (!area) {
return NULL;
}
return BKE_area_find_region_xy(area, RGN_TYPE_WINDOW, x, y);
}
/* magic zoom calculation, no idea what
* it signifies, if you find out, tell me! -zr
*/
/* simple, its magic dude!
* well, to be honest, this gives a natural feeling zooming
* with multiple keypad presses (ton)
*/
float BKE_screen_view3d_zoom_to_fac(float camzoom)
{
return powf(((float)M_SQRT2 + camzoom / 50.0f), 2.0f) / 4.0f;
}
float BKE_screen_view3d_zoom_from_fac(float zoomfac)
{
return ((sqrtf(4.0f * zoomfac) - (float)M_SQRT2) * 50.0f);
}
bool BKE_screen_is_fullscreen_area(const bScreen *screen)
{
return ELEM(screen->state, SCREENMAXIMIZED, SCREENFULL);
}
bool BKE_screen_is_used(const bScreen *screen)
{
return (screen->winid != 0);
}
void BKE_screen_header_alignment_reset(bScreen *screen)
{
int alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_BOTTOM : RGN_ALIGN_TOP;
LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
LISTBASE_FOREACH (ARegion *, region, &area->regionbase) {
if (ELEM(region->regiontype, RGN_TYPE_HEADER, RGN_TYPE_TOOL_HEADER)) {
if (ELEM(area->spacetype, SPACE_FILE, SPACE_USERPREF, SPACE_OUTLINER, SPACE_PROPERTIES)) {
region->alignment = RGN_ALIGN_TOP;
continue;
}
region->alignment = alignment;
}
if (region->regiontype == RGN_TYPE_FOOTER) {
if (ELEM(area->spacetype, SPACE_FILE, SPACE_USERPREF, SPACE_OUTLINER, SPACE_PROPERTIES)) {
region->alignment = RGN_ALIGN_BOTTOM;
continue;
}
region->alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_TOP : RGN_ALIGN_BOTTOM;
}
}
}
screen->do_refresh = true;
}
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