static void node_sockets_panel(const bContext *C, Panel *pa)
{
SpaceNode *snode= CTX_wm_space_node(C);
bNodeTree *ntree= (snode) ? snode->edittree : NULL;
bNode *node = (ntree) ? nodeGetActive(ntree) : NULL;
bNodeSocket *sock;
uiLayout *layout= pa->layout, *split;
char name[UI_MAX_NAME_STR];
if(ELEM(NULL, ntree, node))
return;
for(sock=node->inputs.first; sock; sock=sock->next) {
BLI_snprintf(name, sizeof(name), "%s:", sock->name);
split = uiLayoutSplit(layout, 0.35f, 0);
uiItemL(split, name, ICON_NONE);
uiTemplateNodeLink(split, ntree, node, sock);
}
}
static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree, bNode *node, bNodeSocket *input, int depth)
{
PointerRNA inputptr, nodeptr;
uiBlock *block = uiLayoutGetBlock(layout);
uiBut *bt;
uiLayout *split, *row, *col;
bNode *lnode;
char label[UI_MAX_NAME_STR];
int indent = (depth > 1) ? 2 * (depth - 1) : 0;
int dependency_loop;
if (input->flag & SOCK_UNAVAIL)
return;
/* to avoid eternal loops on cyclic dependencies */
node->flag |= NODE_TEST;
lnode = (input->link) ? input->link->fromnode : NULL;
dependency_loop = (lnode && (lnode->flag & NODE_TEST));
if (dependency_loop)
lnode = NULL;
/* socket RNA pointer */
RNA_pointer_create(&ntree->id, &RNA_NodeSocket, input, &inputptr);
RNA_pointer_create(&ntree->id, &RNA_Node, node, &nodeptr);
/* indented label */
memset(label, ' ', indent);
label[indent] = '\0';
BLI_snprintf(label, UI_MAX_NAME_STR, "%s%s:", label, IFACE_(input->name));
/* split in label and value */
split = uiLayoutSplit(layout, 0.35f, false);
row = uiLayoutRow(split, true);
if (depth > 0) {
UI_block_emboss_set(block, UI_EMBOSS_NONE);
if (lnode && (lnode->inputs.first || (lnode->typeinfo->draw_buttons && lnode->type != NODE_GROUP))) {
int icon = (input->flag & SOCK_COLLAPSED) ? ICON_DISCLOSURE_TRI_RIGHT : ICON_DISCLOSURE_TRI_DOWN;
uiItemR(row, &inputptr, "show_expanded", UI_ITEM_R_ICON_ONLY, "", icon);
}
else
uiItemL(row, "", ICON_BLANK1);
bt = block->buttons.last;
bt->rect.xmax = UI_UNIT_X / 2;
UI_block_emboss_set(block, UI_EMBOSS);
}
uiItemL(row, label, ICON_NONE);
bt = block->buttons.last;
bt->drawflag = UI_BUT_TEXT_LEFT;
if (dependency_loop) {
row = uiLayoutRow(split, false);
uiItemL(row, IFACE_("Dependency Loop"), ICON_ERROR);
}
else if (lnode) {
/* input linked to a node */
uiTemplateNodeLink(split, ntree, node, input);
if (depth == 0 || !(input->flag & SOCK_COLLAPSED)) {
if (depth == 0)
uiItemS(layout);
ui_node_draw_node(layout, C, ntree, lnode, depth);
}
}
else {
/* input not linked, show value */
if (!(input->flag & SOCK_HIDE_VALUE)) {
switch (input->type) {
case SOCK_FLOAT:
case SOCK_INT:
case SOCK_BOOLEAN:
case SOCK_RGBA:
case SOCK_STRING:
row = uiLayoutRow(split, true);
uiItemR(row, &inputptr, "default_value", 0, "", ICON_NONE);
break;
case SOCK_VECTOR:
row = uiLayoutRow(split, false);
col = uiLayoutColumn(row, false);
uiItemR(col, &inputptr, "default_value", 0, "", ICON_NONE);
break;
default:
row = uiLayoutRow(split, false);
break;
}
}
else
row = uiLayoutRow(split, false);
uiTemplateNodeLink(row, ntree, node, input);
}
/* clear */
node->flag &= ~NODE_TEST;
}