C++ (Cpp) ED_node_set_active Examples

Example #1

File: buttons_texture.c Project: mik0001/Blender

static void template_texture_select(bContext *C, void *user_p, void *UNUSED(arg))
{
	/* callback when selecting a texture user in the menu */
	SpaceButs *sbuts = CTX_wm_space_buts(C);
	ButsContextTexture *ct= (sbuts)? sbuts->texuser: NULL;
	ButsTextureUser *user = (ButsTextureUser*)user_p;
	PointerRNA texptr;
	Tex *tex;

	if(!ct)
		return;

	/* set user as active */
	if(user->node) {
		ED_node_set_active(CTX_data_main(C), user->ntree, user->node);
		ct->texture = NULL;
	}
	else {
		texptr = RNA_property_pointer_get(&user->ptr, user->prop);
		tex = (RNA_struct_is_a(texptr.type, &RNA_Texture))? texptr.data: NULL;

		ct->texture = tex;
	}

	ct->user = user;
	ct->index = user->index;
}

Example #2

File: buttons_texture.c Project: dfelinto/blender

static void template_texture_select(bContext *C, void *user_p, void *UNUSED(arg))
{
  /* callback when selecting a texture user in the menu */
  SpaceProperties *sbuts = CTX_wm_space_properties(C);
  ButsContextTexture *ct = (sbuts) ? sbuts->texuser : NULL;
  ButsTextureUser *user = (ButsTextureUser *)user_p;
  PointerRNA texptr;
  Tex *tex;

  if (!ct) {
    return;
  }

  /* set user as active */
  if (user->node) {
    ED_node_set_active(CTX_data_main(C), user->ntree, user->node);
    ct->texture = NULL;
  }
  else {
    texptr = RNA_property_pointer_get(&user->ptr, user->prop);
    tex = (RNA_struct_is_a(texptr.type, &RNA_Texture)) ? texptr.data : NULL;

    ct->texture = tex;

    if (user->ptr.type == &RNA_ParticleSettingsTextureSlot) {
      /* stupid exception for particle systems which still uses influence
       * from the old texture system, set the active texture slots as well */
      ParticleSettings *part = user->ptr.id.data;
      int a;

      for (a = 0; a < MAX_MTEX; a++) {
        if (user->ptr.data == part->mtex[a]) {
          part->texact = a;
        }
      }
    }

    if (sbuts && tex) {
      sbuts->preview = 1;
    }
  }

  ct->user = user;
  ct->index = user->index;
}

Example #3

File: node_select.c Project: bitfusionio/blender

void node_select_single(bContext *C, bNode *node)
{
	Main *bmain = CTX_data_main(C);
	SpaceNode *snode = CTX_wm_space_node(C);
	bNode *tnode;
	
	for (tnode = snode->edittree->nodes.first; tnode; tnode = tnode->next)
		if (tnode != node)
			nodeSetSelected(tnode, false);
	nodeSetSelected(node, true);
	
	ED_node_set_active(bmain, snode->edittree, node);
	ED_node_set_active_viewer_key(snode);
	
	ED_node_sort(snode->edittree);
	
	WM_event_add_notifier(C, NC_NODE | NA_SELECTED, NULL);
}

Example #4

File: node_select.c Project: bitfusionio/blender

static int node_mouse_select(Main *bmain, SpaceNode *snode, ARegion *ar, const int mval[2], short extend)
{
	bNode *node, *tnode;
	bNodeSocket *sock, *tsock;
	float cursor[2];
	int selected = 0;
	
	/* get mouse coordinates in view2d space */
	UI_view2d_region_to_view(&ar->v2d, mval[0], mval[1], &cursor[0], &cursor[1]);
	
	if (extend) {
		/* first do socket selection, these generally overlap with nodes.
		 * socket selection only in extend mode.
		 */
		if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_IN)) {
			node_socket_toggle(node, sock, 1);
			selected = 1;
		}
		else if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_OUT)) {
			if (sock->flag & SELECT) {
				node_socket_deselect(node, sock, 1);
			}
			else {
				/* only allow one selected output per node, for sensible linking.
				 * allows selecting outputs from different nodes though.
				 */
				if (node) {
					for (tsock = node->outputs.first; tsock; tsock = tsock->next)
						node_socket_deselect(node, tsock, 1);
				}
				node_socket_select(node, sock);
			}
			selected = 1;
		}
		else {
			/* find the closest visible node */
			node = node_under_mouse_select(snode->edittree, cursor[0], cursor[1]);
			
			if (node) {
				if ((node->flag & SELECT) && (node->flag & NODE_ACTIVE) == 0) {
					/* if node is selected but not active make it active
					 * before it'll be desleected
					 */
					ED_node_set_active(bmain, snode->edittree, node);
				}
				else {
					node_toggle(node);
					ED_node_set_active(bmain, snode->edittree, node);
				}

				selected = 1;
			}
		}
	}
	else {  /* extend == 0 */
		
		/* find the closest visible node */
		node = node_under_mouse_select(snode->edittree, cursor[0], cursor[1]);
		
		if (node) {
			for (tnode = snode->edittree->nodes.first; tnode; tnode = tnode->next) {
				nodeSetSelected(tnode, false);
			}
			nodeSetSelected(node, true);
			ED_node_set_active(bmain, snode->edittree, node);
			selected = 1;
		}
	}
	
	/* update node order */
	if (selected) {
		ED_node_set_active_viewer_key(snode);
		ED_node_sort(snode->edittree);
	}
	
	return selected;
}