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83ccca8675ea1cfb973f7dfc80df51ffce72974b
blender-archive/source/blender/editors/space_node/space_node.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) 2008 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup spnode
*/
#include "DNA_gpencil_types.h"
#include "DNA_light_types.h"
#include "DNA_material_types.h"
#include "DNA_node_types.h"
#include "DNA_world_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "BKE_lib_id.h"
#include "BKE_node.h"
#include "BKE_screen.h"
#include "ED_node.h"
#include "ED_render.h"
#include "ED_screen.h"
#include "ED_space_api.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "WM_api.h"
#include "WM_types.h"
#include "node_intern.h" /* own include */
/* ******************** tree path ********************* */
void ED_node_tree_start(SpaceNode *snode, bNodeTree *ntree, ID *id, ID *from)
{
bNodeTreePath *path, *path_next;
for (path = snode->treepath.first; path; path = path_next) {
path_next = path->next;
MEM_freeN(path);
}
BLI_listbase_clear(&snode->treepath);
if (ntree) {
path = MEM_callocN(sizeof(bNodeTreePath), "node tree path");
path->nodetree = ntree;
path->parent_key = NODE_INSTANCE_KEY_BASE;
/* copy initial offset from bNodeTree */
copy_v2_v2(path->view_center, ntree->view_center);
if (id) {
BLI_strncpy(path->display_name, id->name + 2, sizeof(path->display_name));
}
BLI_addtail(&snode->treepath, path);
if (ntree->type != NTREE_GEOMETRY) {
/* This can probably be removed for all node tree types. It mainly exists because it was not
* possible to store id references in custom properties. Also see T36024. I don't want to
* remove it for all tree types in bcon3 though. */
id_us_ensure_real(&ntree->id);
}
}
/* update current tree */
snode->nodetree = snode->edittree = ntree;
snode->id = id;
snode->from = from;
ED_node_set_active_viewer_key(snode);
WM_main_add_notifier(NC_SCENE | ND_NODES, NULL);
}
void ED_node_tree_push(SpaceNode *snode, bNodeTree *ntree, bNode *gnode)
{
bNodeTreePath *path = MEM_callocN(sizeof(bNodeTreePath), "node tree path");
bNodeTreePath *prev_path = snode->treepath.last;
path->nodetree = ntree;
if (gnode) {
if (prev_path) {
path->parent_key = BKE_node_instance_key(prev_path->parent_key, prev_path->nodetree, gnode);
}
else {
path->parent_key = NODE_INSTANCE_KEY_BASE;
}
BLI_strncpy(path->node_name, gnode->name, sizeof(path->node_name));
BLI_strncpy(path->display_name, gnode->name, sizeof(path->display_name));
}
else {
path->parent_key = NODE_INSTANCE_KEY_BASE;
}
/* copy initial offset from bNodeTree */
copy_v2_v2(path->view_center, ntree->view_center);
BLI_addtail(&snode->treepath, path);
id_us_ensure_real(&ntree->id);
/* update current tree */
snode->edittree = ntree;
ED_node_set_active_viewer_key(snode);
WM_main_add_notifier(NC_SCENE | ND_NODES, NULL);
}
void ED_node_tree_pop(SpaceNode *snode)
{
bNodeTreePath *path = snode->treepath.last;
/* don't remove root */
if (path == snode->treepath.first) {
return;
}
BLI_remlink(&snode->treepath, path);
MEM_freeN(path);
/* update current tree */
path = snode->treepath.last;
snode->edittree = path->nodetree;
ED_node_set_active_viewer_key(snode);
/* listener updates the View2D center from edittree */
WM_main_add_notifier(NC_SCENE | ND_NODES, NULL);
}
int ED_node_tree_depth(SpaceNode *snode)
{
return BLI_listbase_count(&snode->treepath);
}
bNodeTree *ED_node_tree_get(SpaceNode *snode, int level)
{
bNodeTreePath *path;
int i;
for (path = snode->treepath.last, i = 0; path; path = path->prev, i++) {
if (i == level) {
return path->nodetree;
}
}
return NULL;
}
int ED_node_tree_path_length(SpaceNode *snode)
{
int length = 0;
int i = 0;
LISTBASE_FOREACH_INDEX (bNodeTreePath *, path, &snode->treepath, i) {
length += strlen(path->display_name);
if (i > 0) {
length += 1; /* for separator char */
}
}
return length;
}
void ED_node_tree_path_get(SpaceNode *snode, char *value)
{
int i = 0;
value[0] = '\0';
LISTBASE_FOREACH_INDEX (bNodeTreePath *, path, &snode->treepath, i) {
if (i == 0) {
strcpy(value, path->display_name);
value += strlen(path->display_name);
}
else {
sprintf(value, "/%s", path->display_name);
value += strlen(path->display_name) + 1;
}
}
}
void ED_node_tree_path_get_fixedbuf(SpaceNode *snode, char *value, int max_length)
{
int size;
value[0] = '\0';
int i = 0;
LISTBASE_FOREACH_INDEX (bNodeTreePath *, path, &snode->treepath, i) {
if (i == 0) {
size = BLI_strncpy_rlen(value, path->display_name, max_length);
}
else {
size = BLI_snprintf_rlen(value, max_length, "/%s", path->display_name);
}
max_length -= size;
if (max_length <= 0) {
break;
}
value += size;
}
}
void ED_node_set_active_viewer_key(SpaceNode *snode)
{
bNodeTreePath *path = snode->treepath.last;
if (snode->nodetree && path) {
snode->nodetree->active_viewer_key = path->parent_key;
}
}
void space_node_group_offset(SpaceNode *snode, float *x, float *y)
{
bNodeTreePath *path = snode->treepath.last;
if (path && path->prev) {
float dcenter[2];
sub_v2_v2v2(dcenter, path->view_center, path->prev->view_center);
*x = dcenter[0];
*y = dcenter[1];
}
else {
*x = *y = 0.0f;
}
}
/* ******************** default callbacks for node space ***************** */
static SpaceLink *node_create(const ScrArea *UNUSED(area), const Scene *UNUSED(scene))
{
ARegion *region;
SpaceNode *snode;
snode = MEM_callocN(sizeof(SpaceNode), "initnode");
snode->spacetype = SPACE_NODE;
snode->flag = SNODE_SHOW_GPENCIL | SNODE_USE_ALPHA;
/* backdrop */
snode->zoom = 1.0f;
/* select the first tree type for valid type */
NODE_TREE_TYPES_BEGIN (treetype) {
strcpy(snode->tree_idname, treetype->idname);
break;
}
NODE_TREE_TYPES_END;
/* header */
region = MEM_callocN(sizeof(ARegion), "header for node");
BLI_addtail(&snode->regionbase, region);
region->regiontype = RGN_TYPE_HEADER;
region->alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_BOTTOM : RGN_ALIGN_TOP;
/* buttons/list view */
region = MEM_callocN(sizeof(ARegion), "buttons for node");
BLI_addtail(&snode->regionbase, region);
region->regiontype = RGN_TYPE_UI;
region->alignment = RGN_ALIGN_RIGHT;
/* toolbar */
region = MEM_callocN(sizeof(ARegion), "node tools");
BLI_addtail(&snode->regionbase, region);
region->regiontype = RGN_TYPE_TOOLS;
region->alignment = RGN_ALIGN_LEFT;
region->flag = RGN_FLAG_HIDDEN;
/* main region */
region = MEM_callocN(sizeof(ARegion), "main region for node");
BLI_addtail(&snode->regionbase, region);
region->regiontype = RGN_TYPE_WINDOW;
region->v2d.tot.xmin = -12.8f * U.widget_unit;
region->v2d.tot.ymin = -12.8f * U.widget_unit;
region->v2d.tot.xmax = 38.4f * U.widget_unit;
region->v2d.tot.ymax = 38.4f * U.widget_unit;
region->v2d.cur = region->v2d.tot;
region->v2d.min[0] = 1.0f;
region->v2d.min[1] = 1.0f;
region->v2d.max[0] = 32000.0f;
region->v2d.max[1] = 32000.0f;
region->v2d.minzoom = 0.09f;
region->v2d.maxzoom = 2.31f;
region->v2d.scroll = (V2D_SCROLL_RIGHT | V2D_SCROLL_BOTTOM);
region->v2d.keepzoom = V2D_LIMITZOOM | V2D_KEEPASPECT;
region->v2d.keeptot = 0;
return (SpaceLink *)snode;
}
static void node_free(SpaceLink *sl)
{
SpaceNode *snode = (SpaceNode *)sl;
LISTBASE_FOREACH_MUTABLE (bNodeTreePath *, path, &snode->treepath) {
MEM_freeN(path);
}
MEM_SAFE_FREE(snode->runtime);
}
/* spacetype; init callback */
static void node_init(struct wmWindowManager *UNUSED(wm), ScrArea *area)
{
SpaceNode *snode = (SpaceNode *)area->spacedata.first;
if (snode->runtime == NULL) {
snode->runtime = MEM_callocN(sizeof(SpaceNode_Runtime), __func__);
}
}
static void node_area_listener(const wmSpaceTypeListenerParams *params)
{
ScrArea *area = params->area;
wmNotifier *wmn = params->notifier;
/* note, ED_area_tag_refresh will re-execute compositor */
SpaceNode *snode = area->spacedata.first;
/* shaderfrom is only used for new shading nodes, otherwise all shaders are from objects */
short shader_type = snode->shaderfrom;
/* preview renders */
switch (wmn->category) {
case NC_SCENE:
switch (wmn->data) {
case ND_NODES: {
ARegion *region = BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
bNodeTreePath *path = snode->treepath.last;
/* shift view to node tree center */
if (region && path) {
UI_view2d_center_set(&region->v2d, path->view_center[0], path->view_center[1]);
}
ED_area_tag_refresh(area);
break;
}
case ND_FRAME:
ED_area_tag_refresh(area);
break;
case ND_COMPO_RESULT:
ED_area_tag_redraw(area);
break;
case ND_TRANSFORM_DONE:
if (ED_node_is_compositor(snode)) {
if (snode->flag & SNODE_AUTO_RENDER) {
snode->runtime->recalc = true;
ED_area_tag_refresh(area);
}
}
break;
case ND_LAYER_CONTENT:
ED_area_tag_refresh(area);
break;
}
break;
/* future: add ID checks? */
case NC_MATERIAL:
if (ED_node_is_shader(snode)) {
if (wmn->data == ND_SHADING) {
ED_area_tag_refresh(area);
}
else if (wmn->data == ND_SHADING_DRAW) {
ED_area_tag_refresh(area);
}
else if (wmn->data == ND_SHADING_LINKS) {
ED_area_tag_refresh(area);
}
else if (wmn->action == NA_ADDED && snode->edittree) {
nodeSetActiveID(snode->edittree, ID_MA, wmn->reference);
}
}
break;
case NC_TEXTURE:
if (ED_node_is_shader(snode) || ED_node_is_texture(snode)) {
if (wmn->data == ND_NODES) {
ED_area_tag_refresh(area);
}
}
break;
case NC_WORLD:
if (ED_node_is_shader(snode) && shader_type == SNODE_SHADER_WORLD) {
ED_area_tag_refresh(area);
}
break;
case NC_OBJECT:
if (ED_node_is_shader(snode)) {
if (wmn->data == ND_OB_SHADING) {
ED_area_tag_refresh(area);
}
}
else if (ED_node_is_geometry(snode)) {
/* Rather strict check: only redraw when the reference matches the current editor's ID. */
if (wmn->data == ND_MODIFIER) {
if (wmn->reference == snode->id || snode->id == NULL) {
ED_area_tag_refresh(area);
}
}
}
break;
case NC_SPACE:
if (wmn->data == ND_SPACE_NODE) {
ED_area_tag_refresh(area);
}
else if (wmn->data == ND_SPACE_NODE_VIEW) {
ED_area_tag_redraw(area);
}
break;
case NC_NODE:
if (wmn->action == NA_EDITED) {
ED_area_tag_refresh(area);
}
else if (wmn->action == NA_SELECTED) {
ED_area_tag_redraw(area);
}
break;
case NC_SCREEN:
switch (wmn->data) {
case ND_ANIMPLAY:
ED_area_tag_refresh(area);
break;
}
break;
case NC_MASK:
if (wmn->action == NA_EDITED) {
if (snode->nodetree && snode->nodetree->type == NTREE_COMPOSIT) {
ED_area_tag_refresh(area);
}
}
break;
case NC_IMAGE:
if (wmn->action == NA_EDITED) {
if (ED_node_is_compositor(snode)) {
/* note that nodeUpdateID is already called by BKE_image_signal() on all
* scenes so really this is just to know if the images is used in the compo else
* painting on images could become very slow when the compositor is open. */
if (nodeUpdateID(snode->nodetree, wmn->reference)) {
ED_area_tag_refresh(area);
}
}
}
break;
case NC_MOVIECLIP:
if (wmn->action == NA_EDITED) {
if (ED_node_is_compositor(snode)) {
if (nodeUpdateID(snode->nodetree, wmn->reference)) {
ED_area_tag_refresh(area);
}
}
}
break;
case NC_LINESTYLE:
if (ED_node_is_shader(snode) && shader_type == SNODE_SHADER_LINESTYLE) {
ED_area_tag_refresh(area);
}
break;
case NC_WM:
if (wmn->data == ND_UNDO) {
ED_area_tag_refresh(area);
}
break;
case NC_GPENCIL:
if (ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
ED_area_tag_redraw(area);
}
break;
}
}
static void node_area_refresh(const struct bContext *C, ScrArea *area)
{
/* default now: refresh node is starting preview */
SpaceNode *snode = area->spacedata.first;
snode_set_context(C);
if (snode->nodetree) {
if (snode->nodetree->type == NTREE_SHADER) {
if (GS(snode->id->name) == ID_MA) {
Material *ma = (Material *)snode->id;
if (ma->use_nodes) {
ED_preview_shader_job(C, area, snode->id, NULL, NULL, 100, 100, PR_NODE_RENDER);
}
}
else if (GS(snode->id->name) == ID_LA) {
Light *la = (Light *)snode->id;
if (la->use_nodes) {
ED_preview_shader_job(C, area, snode->id, NULL, NULL, 100, 100, PR_NODE_RENDER);
}
}
else if (GS(snode->id->name) == ID_WO) {
World *wo = (World *)snode->id;
if (wo->use_nodes) {
ED_preview_shader_job(C, area, snode->id, NULL, NULL, 100, 100, PR_NODE_RENDER);
}
}
}
else if (snode->nodetree->type == NTREE_COMPOSIT) {
Scene *scene = (Scene *)snode->id;
if (scene->use_nodes) {
/* recalc is set on 3d view changes for auto compo */
if (snode->runtime->recalc) {
snode->runtime->recalc = false;
node_render_changed_exec((struct bContext *)C, NULL);
}
else {
ED_node_composite_job(C, snode->nodetree, scene);
}
}
}
else if (snode->nodetree->type == NTREE_TEXTURE) {
Tex *tex = (Tex *)snode->id;
if (tex->use_nodes) {
ED_preview_shader_job(C, area, snode->id, NULL, NULL, 100, 100, PR_NODE_RENDER);
}
}
}
}
static SpaceLink *node_duplicate(SpaceLink *sl)
{
SpaceNode *snode = (SpaceNode *)sl;
SpaceNode *snoden = MEM_dupallocN(snode);
BLI_duplicatelist(&snoden->treepath, &snode->treepath);
if (snode->runtime != NULL) {
snoden->runtime = MEM_dupallocN(snode->runtime);
BLI_listbase_clear(&snoden->runtime->linkdrag);
}
/* Note: no need to set node tree user counts,
* the editor only keeps at least 1 (id_us_ensure_real),
* which is already done by the original SpaceNode.
*/
return (SpaceLink *)snoden;
}
/* add handlers, stuff you only do once or on area/region changes */
static void node_buttons_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
ED_region_panels_init(wm, region);
keymap = WM_keymap_ensure(wm->defaultconf, "Node Generic", SPACE_NODE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
}
static void node_buttons_region_draw(const bContext *C, ARegion *region)
{
ED_region_panels(C, region);
}
/* add handlers, stuff you only do once or on area/region changes */
static void node_toolbar_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
ED_region_panels_init(wm, region);
keymap = WM_keymap_ensure(wm->defaultconf, "Node Generic", SPACE_NODE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
}
static void node_toolbar_region_draw(const bContext *C, ARegion *region)
{
ED_region_panels(C, region);
}
void ED_node_cursor_location_get(const SpaceNode *snode, float value[2])
{
copy_v2_v2(value, snode->runtime->cursor);
}
void ED_node_cursor_location_set(SpaceNode *snode, const float value[2])
{
copy_v2_v2(snode->runtime->cursor, value);
}
static void node_cursor(wmWindow *win, ScrArea *area, ARegion *region)
{
SpaceNode *snode = area->spacedata.first;
/* convert mouse coordinates to v2d space */
UI_view2d_region_to_view(&region->v2d,
win->eventstate->x - region->winrct.xmin,
win->eventstate->y - region->winrct.ymin,
&snode->runtime->cursor[0],
&snode->runtime->cursor[1]);
/* here snode->runtime->cursor is used to detect the node edge for sizing */
node_set_cursor(win, snode, snode->runtime->cursor);
/* XXX snode->runtime->cursor is in placing new nodes space */
snode->runtime->cursor[0] /= UI_DPI_FAC;
snode->runtime->cursor[1] /= UI_DPI_FAC;
}
/* Initialize main region, setting handlers. */
static void node_main_region_init(wmWindowManager *wm, ARegion *region)
{
wmKeyMap *keymap;
ListBase *lb;
UI_view2d_region_reinit(&region->v2d, V2D_COMMONVIEW_CUSTOM, region->winx, region->winy);
/* own keymaps */
keymap = WM_keymap_ensure(wm->defaultconf, "Node Generic", SPACE_NODE, 0);
WM_event_add_keymap_handler(&region->handlers, keymap);
keymap = WM_keymap_ensure(wm->defaultconf, "Node Editor", SPACE_NODE, 0);
WM_event_add_keymap_handler_v2d_mask(&region->handlers, keymap);
/* add drop boxes */
lb = WM_dropboxmap_find("Node Editor", SPACE_NODE, RGN_TYPE_WINDOW);
WM_event_add_dropbox_handler(&region->handlers, lb);
}
static void node_main_region_draw(const bContext *C, ARegion *region)
{
node_draw_space(C, region);
}
/* ************* dropboxes ************* */
static bool node_group_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
return WM_drag_is_ID_type(drag, ID_NT);
}
static bool node_object_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
return WM_drag_is_ID_type(drag, ID_OB);
}
static bool node_collection_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
return WM_drag_is_ID_type(drag, ID_GR);
}
static bool node_texture_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
return WM_drag_is_ID_type(drag, ID_TE);
}
static bool node_ima_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
if (drag->type == WM_DRAG_PATH) {
/* rule might not work? */
return (ELEM(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_MOVIE));
}
return WM_drag_is_ID_type(drag, ID_IM);
}
static bool node_mask_drop_poll(bContext *UNUSED(C),
wmDrag *drag,
const wmEvent *UNUSED(event),
const char **UNUSED(r_tooltip))
{
return WM_drag_is_ID_type(drag, ID_MSK);
}
static void node_group_drop_copy(wmDrag *drag, wmDropBox *drop)
{
ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, 0);
RNA_string_set(drop->ptr, "name", id->name + 2);
}
static void node_id_drop_copy(wmDrag *drag, wmDropBox *drop)
{
ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, 0);
RNA_string_set(drop->ptr, "name", id->name + 2);
}
static void node_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
{
ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, 0);
if (id) {
RNA_string_set(drop->ptr, "name", id->name + 2);
RNA_struct_property_unset(drop->ptr, "filepath");
}
else if (drag->path[0]) {
RNA_string_set(drop->ptr, "filepath", drag->path);
RNA_struct_property_unset(drop->ptr, "name");
}
}
/* this region dropbox definition */
static void node_dropboxes(void)
{
ListBase *lb = WM_dropboxmap_find("Node Editor", SPACE_NODE, RGN_TYPE_WINDOW);
WM_dropbox_add(lb,
"NODE_OT_add_object",
node_object_drop_poll,
node_id_drop_copy,
WM_drag_free_imported_drag_ID);
WM_dropbox_add(lb,
"NODE_OT_add_collection",
node_collection_drop_poll,
node_id_drop_copy,
WM_drag_free_imported_drag_ID);
WM_dropbox_add(lb,
"NODE_OT_add_texture",
node_texture_drop_poll,
node_id_drop_copy,
WM_drag_free_imported_drag_ID);
WM_dropbox_add(lb,
"NODE_OT_add_group",
node_group_drop_poll,
node_group_drop_copy,
WM_drag_free_imported_drag_ID);
WM_dropbox_add(lb,
"NODE_OT_add_file",
node_ima_drop_poll,
node_id_path_drop_copy,
WM_drag_free_imported_drag_ID);
WM_dropbox_add(lb,
"NODE_OT_add_mask",
node_mask_drop_poll,
node_id_drop_copy,
WM_drag_free_imported_drag_ID);
}
/* ************* end drop *********** */
/* add handlers, stuff you only do once or on area/region changes */
static void node_header_region_init(wmWindowManager *UNUSED(wm), ARegion *region)
{
ED_region_header_init(region);
}
static void node_header_region_draw(const bContext *C, ARegion *region)
{
/* find and set the context */
snode_set_context(C);
ED_region_header(C, region);
}
/* used for header + main region */
static void node_region_listener(const wmRegionListenerParams *params)
{
ARegion *region = params->region;
wmNotifier *wmn = params->notifier;
wmGizmoMap *gzmap = region->gizmo_map;
/* context changes */
switch (wmn->category) {
case NC_SPACE:
switch (wmn->data) {
case ND_SPACE_NODE:
ED_region_tag_redraw(region);
break;
case ND_SPACE_NODE_VIEW:
WM_gizmomap_tag_refresh(gzmap);
break;
}
break;
case NC_SCREEN:
if (wmn->data == ND_LAYOUTSET || wmn->action == NA_EDITED) {
WM_gizmomap_tag_refresh(gzmap);
}
switch (wmn->data) {
case ND_ANIMPLAY:
case ND_LAYER:
ED_region_tag_redraw(region);
break;
}
break;
case NC_WM:
if (wmn->data == ND_JOB) {
ED_region_tag_redraw(region);
}
break;
case NC_SCENE:
ED_region_tag_redraw(region);
if (wmn->data == ND_RENDER_RESULT) {
WM_gizmomap_tag_refresh(gzmap);
}
break;
case NC_NODE:
ED_region_tag_redraw(region);
if (ELEM(wmn->action, NA_EDITED, NA_SELECTED)) {
WM_gizmomap_tag_refresh(gzmap);
}
break;
case NC_MATERIAL:
case NC_TEXTURE:
case NC_WORLD:
case NC_LINESTYLE:
ED_region_tag_redraw(region);
break;
case NC_OBJECT:
if (wmn->data == ND_OB_SHADING) {
ED_region_tag_redraw(region);
}
break;
case NC_ID:
if (wmn->action == NA_RENAME) {
ED_region_tag_redraw(region);
}
break;
case NC_GPENCIL:
if (wmn->action == NA_EDITED) {
ED_region_tag_redraw(region);
}
else if (wmn->data & ND_GPENCIL_EDITMODE) {
ED_region_tag_redraw(region);
}
break;
}
}
const char *node_context_dir[] = {
"selected_nodes", "active_node", "light", "material", "world", NULL};
static int /*eContextResult*/ node_context(const bContext *C,
const char *member,
bContextDataResult *result)
{
SpaceNode *snode = CTX_wm_space_node(C);
if (CTX_data_dir(member)) {
CTX_data_dir_set(result, node_context_dir);
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "selected_nodes")) {
bNode *node;
if (snode->edittree) {
for (node = snode->edittree->nodes.last; node; node = node->prev) {
if (node->flag & NODE_SELECT) {
CTX_data_list_add(result, &snode->edittree->id, &RNA_Node, node);
}
}
}
CTX_data_type_set(result, CTX_DATA_TYPE_COLLECTION);
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "active_node")) {
if (snode->edittree) {
bNode *node = nodeGetActive(snode->edittree);
CTX_data_pointer_set(result, &snode->edittree->id, &RNA_Node, node);
}
CTX_data_type_set(result, CTX_DATA_TYPE_POINTER);
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "node_previews")) {
if (snode->nodetree) {
CTX_data_pointer_set(
result, &snode->nodetree->id, &RNA_NodeInstanceHash, snode->nodetree->previews);
}
CTX_data_type_set(result, CTX_DATA_TYPE_POINTER);
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "material")) {
if (snode->id && GS(snode->id->name) == ID_MA) {
CTX_data_id_pointer_set(result, snode->id);
}
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "light")) {
if (snode->id && GS(snode->id->name) == ID_LA) {
CTX_data_id_pointer_set(result, snode->id);
}
return CTX_RESULT_OK;
}
if (CTX_data_equals(member, "world")) {
if (snode->id && GS(snode->id->name) == ID_WO) {
CTX_data_id_pointer_set(result, snode->id);
}
return CTX_RESULT_OK;
}
return CTX_RESULT_MEMBER_NOT_FOUND;
}
static void node_widgets(void)
{
/* create the widgetmap for the area here */
wmGizmoMapType *gzmap_type = WM_gizmomaptype_ensure(
&(const struct wmGizmoMapType_Params){SPACE_NODE, RGN_TYPE_WINDOW});
WM_gizmogrouptype_append_and_link(gzmap_type, NODE_GGT_backdrop_transform);
WM_gizmogrouptype_append_and_link(gzmap_type, NODE_GGT_backdrop_crop);
WM_gizmogrouptype_append_and_link(gzmap_type, NODE_GGT_backdrop_sun_beams);
WM_gizmogrouptype_append_and_link(gzmap_type, NODE_GGT_backdrop_corner_pin);
}
static void node_id_remap(ScrArea *UNUSED(area), SpaceLink *slink, ID *old_id, ID *new_id)
{
SpaceNode *snode = (SpaceNode *)slink;
if (snode->id == old_id) {
/* nasty DNA logic for SpaceNode:
* ideally should be handled by editor code, but would be bad level call
*/
BLI_freelistN(&snode->treepath);
/* XXX Untested in case new_id != NULL... */
snode->id = new_id;
snode->from = NULL;
snode->nodetree = NULL;
snode->edittree = NULL;
}
else if (GS(old_id->name) == ID_OB) {
if (snode->from == old_id) {
if (new_id == NULL) {
snode->flag &= ~SNODE_PIN;
}
snode->from = new_id;
}
}
else if (GS(old_id->name) == ID_GD) {
if ((ID *)snode->gpd == old_id) {
snode->gpd = (bGPdata *)new_id;
id_us_min(old_id);
id_us_plus(new_id);
}
}
else if (GS(old_id->name) == ID_NT) {
bNodeTreePath *path, *path_next;
for (path = snode->treepath.first; path; path = path->next) {
if ((ID *)path->nodetree == old_id) {
path->nodetree = (bNodeTree *)new_id;
id_us_ensure_real(new_id);
}
if (path == snode->treepath.first) {
/* first nodetree in path is same as snode->nodetree */
snode->nodetree = path->nodetree;
}
if (path->nodetree == NULL) {
break;
}
}
/* remaining path entries are invalid, remove */
for (; path; path = path_next) {
path_next = path->next;
BLI_remlink(&snode->treepath, path);
MEM_freeN(path);
}
/* edittree is just the last in the path,
* set this directly since the path may have been shortened above */
if (snode->treepath.last) {
path = snode->treepath.last;
snode->edittree = path->nodetree;
}
else {
snode->edittree = NULL;
}
}
}
static int node_space_subtype_get(ScrArea *area)
{
SpaceNode *snode = area->spacedata.first;
return rna_node_tree_idname_to_enum(snode->tree_idname);
}
static void node_space_subtype_set(ScrArea *area, int value)
{
SpaceNode *snode = area->spacedata.first;
ED_node_set_tree_type(snode, rna_node_tree_type_from_enum(value));
}
static void node_space_subtype_item_extend(bContext *C, EnumPropertyItem **item, int *totitem)
{
bool free;
const EnumPropertyItem *item_src = RNA_enum_node_tree_types_itemf_impl(C, &free);
RNA_enum_items_add(item, totitem, item_src);
if (free) {
MEM_freeN((void *)item_src);
}
}
/* only called once, from space/spacetypes.c */
void ED_spacetype_node(void)
{
SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype node");
ARegionType *art;
st->spaceid = SPACE_NODE;
strncpy(st->name, "Node", BKE_ST_MAXNAME);
st->create = node_create;
st->free = node_free;
st->init = node_init;
st->duplicate = node_duplicate;
st->operatortypes = node_operatortypes;
st->keymap = node_keymap;
st->listener = node_area_listener;
st->refresh = node_area_refresh;
st->context = node_context;
st->dropboxes = node_dropboxes;
st->gizmos = node_widgets;
st->id_remap = node_id_remap;
st->space_subtype_item_extend = node_space_subtype_item_extend;
st->space_subtype_get = node_space_subtype_get;
st->space_subtype_set = node_space_subtype_set;
/* regions: main window */
art = MEM_callocN(sizeof(ARegionType), "spacetype node region");
art->regionid = RGN_TYPE_WINDOW;
art->init = node_main_region_init;
art->draw = node_main_region_draw;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_GIZMO | ED_KEYMAP_TOOL | ED_KEYMAP_VIEW2D |
ED_KEYMAP_FRAMES | ED_KEYMAP_GPENCIL;
art->listener = node_region_listener;
art->cursor = node_cursor;
art->event_cursor = true;
art->clip_gizmo_events_by_ui = true;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art = MEM_callocN(sizeof(ARegionType), "spacetype node region");
art->regionid = RGN_TYPE_HEADER;
art->prefsizey = HEADERY;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
art->listener = node_region_listener;
art->init = node_header_region_init;
art->draw = node_header_region_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: listview/buttons */
art = MEM_callocN(sizeof(ARegionType), "spacetype node region");
art->regionid = RGN_TYPE_UI;
art->prefsizex = UI_SIDEBAR_PANEL_WIDTH;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
art->listener = node_region_listener;
art->message_subscribe = ED_area_do_mgs_subscribe_for_tool_ui;
art->init = node_buttons_region_init;
art->draw = node_buttons_region_draw;
BLI_addhead(&st->regiontypes, art);
node_buttons_register(art);
/* regions: toolbar */
art = MEM_callocN(sizeof(ARegionType), "spacetype view3d tools region");
art->regionid = RGN_TYPE_TOOLS;
art->prefsizex = 58; /* XXX */
art->prefsizey = 50; /* XXX */
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
art->listener = node_region_listener;
art->message_subscribe = ED_region_generic_tools_region_message_subscribe;
art->snap_size = ED_region_generic_tools_region_snap_size;
art->init = node_toolbar_region_init;
art->draw = node_toolbar_region_draw;
BLI_addhead(&st->regiontypes, art);
node_toolbar_register(art);
BKE_spacetype_register(st);
}
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