Workspace: Move engines to workspace and Properties Editor cleanup
[blender.git] / source / blender / editors / space_node / node_templates.c
index f8eb0ede262e2988210b2baea8c4df99cd251966..c791b9f6eae40d2c69b61b09849bc4db8b35c2de 100644 (file)
  *  \ingroup edinterface
  */
 
+#include <stdlib.h>
 #include <string.h>
 
 #include "MEM_guardedalloc.h"
 
 #include "DNA_node_types.h"
 #include "DNA_screen_types.h"
-#include "DNA_space_types.h"
 
+#include "BLI_array.h"
 #include "BLI_listbase.h"
 #include "BLI_string.h"
 
-#include "BLF_translation.h"
+#include "BLT_translation.h"
 
 #include "BKE_context.h"
 #include "BKE_global.h"
@@ -54,7 +55,6 @@
 
 #include "ED_util.h"
 
-#include "node_intern.h"
 
 /************************* Node Socket Manipulation **************************/
 
@@ -151,7 +151,7 @@ static void node_remove_linked(bNodeTree *ntree, bNode *rem_node)
 
                if (node->flag & NODE_TEST) {
                        if (node->id)
-                               node->id->us--;
+                               id_us_min(node->id);
                        nodeFreeNode(ntree, node);
                }
        }
@@ -169,7 +169,7 @@ static void node_socket_disconnect(Main *bmain, bNodeTree *ntree, bNode *node_to
        nodeUpdate(ntree, node_to);
        ntreeUpdateTree(bmain, ntree);
 
-       ED_node_tag_update_nodetree(bmain, ntree);
+       ED_node_tag_update_nodetree(bmain, ntree, node_to);
 }
 
 /* remove all nodes connected to this socket, if they aren't connected to other nodes */
@@ -184,7 +184,7 @@ static void node_socket_remove(Main *bmain, bNodeTree *ntree, bNode *node_to, bN
        nodeUpdate(ntree, node_to);
        ntreeUpdateTree(bmain, ntree);
 
-       ED_node_tag_update_nodetree(bmain, ntree);
+       ED_node_tag_update_nodetree(bmain, ntree, node_to);
 }
 
 /* add new node connected to this socket, or replace an existing one */
@@ -216,8 +216,22 @@ static void node_socket_add_replace(const bContext *C, bNodeTree *ntree, bNode *
        }
        else if (!node_from) {
                node_from = nodeAddStaticNode(C, ntree, type);
-               node_from->locx = node_to->locx - (node_from->typeinfo->width + 50);
-               node_from->locy = node_to->locy;
+               if (node_prev != NULL) {
+                       /* If we're replacing existing node, use it's location. */
+                       node_from->locx = node_prev->locx;
+                       node_from->locy = node_prev->locy;
+                       node_from->offsetx = node_prev->offsetx;
+                       node_from->offsety = node_prev->offsety;
+               }
+               else {
+                       /* Avoid exact intersection of nodes.
+                        * TODO(sergey): Still not ideal, but better than nothing.
+                        */
+                       int index = BLI_findindex(&node_to->inputs, sock_to);
+                       BLI_assert(index != -1);
+                       node_from->locx = node_to->locx - (node_from->typeinfo->width + 50);
+                       node_from->locy = node_to->locy - (node_from->typeinfo->height * index);
+               }
                
                node_link_item_apply(node_from, item);
        }
@@ -246,10 +260,6 @@ static void node_socket_add_replace(const bContext *C, bNodeTree *ntree, bNode *
                                                nodeRemLink(ntree, link);
                                        }
 
-                                       if (sock_from->default_value) {
-                                               MEM_freeN(sock_from->default_value);
-                                               sock_from->default_value = NULL;
-                                       }
                                        node_socket_copy_default_value(sock_from, sock_prev);
                                }
                        }
@@ -270,7 +280,7 @@ static void node_socket_add_replace(const bContext *C, bNodeTree *ntree, bNode *
        nodeUpdate(ntree, node_to);
        ntreeUpdateTree(CTX_data_main(C), ntree);
 
-       ED_node_tag_update_nodetree(CTX_data_main(C), ntree);
+       ED_node_tag_update_nodetree(CTX_data_main(C), ntree, node_to);
 }
 
 /****************************** Node Link Menu *******************************/
@@ -304,7 +314,7 @@ static void ui_node_link_items(NodeLinkArg *arg, int in_out, NodeLinkItem **r_it
                
                for (ngroup = arg->bmain->nodetree.first; ngroup; ngroup = ngroup->id.next) {
                        ListBase *lb = ((in_out == SOCK_IN) ? &ngroup->inputs : &ngroup->outputs);
-                       totitems += BLI_countlist(lb);
+                       totitems += BLI_listbase_count(lb);
                }
                
                if (totitems > 0) {
@@ -391,7 +401,7 @@ static void ui_node_sock_name(bNodeSocket *sock, char name[UI_MAX_NAME_STR])
                else
                        BLI_strncpy(node_name, node->typeinfo->ui_name, UI_MAX_NAME_STR);
 
-               if (node->inputs.first == NULL &&
+               if (BLI_listbase_is_empty(&node->inputs) &&
                    node->outputs.first != node->outputs.last)
                {
                        BLI_snprintf(name, UI_MAX_NAME_STR, "%s | %s", IFACE_(node_name), IFACE_(sock->link->fromsock->name));
@@ -411,6 +421,27 @@ static int ui_compatible_sockets(int typeA, int typeB)
        return (typeA == typeB);
 }
 
+static int ui_node_item_name_compare(const void *a, const void *b)
+{
+       const bNodeType *type_a = *(const bNodeType **)a;
+       const bNodeType *type_b = *(const bNodeType **)b;
+       return BLI_natstrcmp(type_a->ui_name, type_b->ui_name);
+}
+
+static bool ui_node_item_special_poll(const bNodeTree *UNUSED(ntree),
+                                      const bNodeType *ntype)
+{
+       if (STREQ(ntype->idname, "ShaderNodeUVAlongStroke")) {
+               /* TODO(sergey): Currently we don't have Freestyle nodes edited from
+                * the buttons context, so can ignore it's nodes completely.
+                *
+                * However, we might want to do some extra checks here later.
+                */
+               return false;
+       }
+       return true;
+}
+
 static void ui_node_menu_column(NodeLinkArg *arg, int nclass, const char *cname)
 {
        bNodeTree *ntree = arg->ntree;
@@ -430,18 +461,38 @@ static void ui_node_menu_column(NodeLinkArg *arg, int nclass, const char *cname)
                        compatibility = NODE_OLD_SHADING;
        }
 
+       /* generate array of node types sorted by UI name */
+       bNodeType **sorted_ntypes = NULL;
+       BLI_array_declare(sorted_ntypes);
+
        NODE_TYPES_BEGIN(ntype) {
+               if (compatibility && !(ntype->compatibility & compatibility)) {
+                       continue;
+               }
+
+               if (ntype->nclass != nclass) {
+                       continue;
+               }
+
+               if (!ui_node_item_special_poll(ntree, ntype)) {
+                       continue;
+               }
+
+               BLI_array_append(sorted_ntypes, ntype);
+       }
+       NODE_TYPES_END
+
+       qsort(sorted_ntypes, BLI_array_count(sorted_ntypes), sizeof(bNodeType *), ui_node_item_name_compare);
+
+       /* generate UI */
+       for (int j = 0; j < BLI_array_count(sorted_ntypes); j++) {
+               bNodeType *ntype = sorted_ntypes[j];
                NodeLinkItem *items;
                int totitems;
                char name[UI_MAX_NAME_STR];
                const char *cur_node_name = NULL;
                int i, num = 0;
-               
-               if (compatibility && !(ntype->compatibility & compatibility))
-                       continue;
-               
-               if (ntype->nclass != nclass)
-                       continue;
+               int icon = ICON_NONE;
                
                arg->node_type = ntype;
                
@@ -457,11 +508,10 @@ static void ui_node_menu_column(NodeLinkArg *arg, int nclass, const char *cname)
                        
                        if (first) {
                                column = uiLayoutColumn(layout, 0);
-                               uiBlockSetCurLayout(block, column);
+                               UI_block_layout_set_current(block, column);
                                
                                uiItemL(column, IFACE_(cname), ICON_NODE);
                                but = block->buttons.last;
-                               but->drawflag = UI_BUT_TEXT_LEFT;
                                
                                first = 0;
                        }
@@ -469,28 +519,32 @@ static void ui_node_menu_column(NodeLinkArg *arg, int nclass, const char *cname)
                        if (num > 1) {
                                if (!cur_node_name || !STREQ(cur_node_name, items[i].node_name)) {
                                        cur_node_name = items[i].node_name;
-                                       uiItemL(column, IFACE_(cur_node_name), ICON_NODE);
-                                       but = block->buttons.last;
-                                       but->drawflag = UI_BUT_TEXT_LEFT;
+                                       /* XXX Do not use uiItemL here, it would add an empty icon as we are in a menu! */
+                                       uiDefBut(block, UI_BTYPE_LABEL, 0, IFACE_(cur_node_name), 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
+                                                NULL, 0.0, 0.0, 0.0, 0.0, "");
                                }
-                               
-                               BLI_snprintf(name, UI_MAX_NAME_STR, "  %s", IFACE_(items[i].socket_name));
+
+                               BLI_snprintf(name, UI_MAX_NAME_STR, "%s", IFACE_(items[i].socket_name));
+                               icon = ICON_BLANK1;
                        }
-                       else
+                       else {
                                BLI_strncpy(name, IFACE_(items[i].node_name), UI_MAX_NAME_STR);
+                               icon = ICON_NONE;
+                       }
                        
-                       but = uiDefBut(block, BUT, 0, name, 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
-                                      NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Add node to input"));
+                       but = uiDefIconTextBut(block, UI_BTYPE_BUT, 0, icon, name, 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
+                                              NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Add node to input"));
                        
                        argN = MEM_dupallocN(arg);
                        argN->item = items[i];
-                       uiButSetNFunc(but, ui_node_link, argN, NULL);
+                       UI_but_funcN_set(but, ui_node_link, argN, NULL);
                }
                
                if (items)
                        MEM_freeN(items);
        }
-       NODE_TYPES_END
+
+       BLI_array_free(sorted_ntypes);
 }
 
 static void node_menu_column_foreach_cb(void *calldata, int nclass, const char *name)
@@ -505,6 +559,7 @@ static void ui_template_node_link_menu(bContext *C, uiLayout *layout, void *but_
 {
        Main *bmain = CTX_data_main(C);
        Scene *scene = CTX_data_scene(C);
+       ViewRender *view_render = CTX_data_view_render(C);
        uiBlock *block = uiLayoutGetBlock(layout);
        uiBut *but = (uiBut *)but_p;
        uiLayout *split, *column;
@@ -512,31 +567,32 @@ static void ui_template_node_link_menu(bContext *C, uiLayout *layout, void *but_
        bNodeSocket *sock = arg->sock;
        bNodeTreeType *ntreetype = arg->ntree->typeinfo;
 
-       uiBlockSetCurLayout(block, layout);
-       split = uiLayoutSplit(layout, 0.0f, FALSE);
+       UI_block_flag_enable(block, UI_BLOCK_NO_FLIP | UI_BLOCK_IS_FLIP);
+       UI_block_layout_set_current(block, layout);
+       split = uiLayoutSplit(layout, 0.0f, false);
 
        arg->bmain = bmain;
        arg->scene = scene;
        arg->layout = split;
 
        if (ntreetype && ntreetype->foreach_nodeclass)
-               ntreetype->foreach_nodeclass(scene, arg, node_menu_column_foreach_cb);
+               ntreetype->foreach_nodeclass(view_render, arg, node_menu_column_foreach_cb);
 
-       column = uiLayoutColumn(split, FALSE);
-       uiBlockSetCurLayout(block, column);
+       column = uiLayoutColumn(split, false);
+       UI_block_layout_set_current(block, column);
 
        if (sock->link) {
                uiItemL(column, IFACE_("Link"), ICON_NONE);
                but = block->buttons.last;
                but->drawflag = UI_BUT_TEXT_LEFT;
 
-               but = uiDefBut(block, BUT, 0, IFACE_("Remove"), 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
+               but = uiDefBut(block, UI_BTYPE_BUT, 0, IFACE_("Remove"), 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
                               NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Remove nodes connected to the input"));
-               uiButSetNFunc(but, ui_node_link, MEM_dupallocN(arg), SET_INT_IN_POINTER(UI_NODE_LINK_REMOVE));
+               UI_but_funcN_set(but, ui_node_link, MEM_dupallocN(arg), SET_INT_IN_POINTER(UI_NODE_LINK_REMOVE));
 
-               but = uiDefBut(block, BUT, 0, IFACE_("Disconnect"), 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
+               but = uiDefBut(block, UI_BTYPE_BUT, 0, IFACE_("Disconnect"), 0, 0, UI_UNIT_X * 4, UI_UNIT_Y,
                               NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Disconnect nodes connected to the input"));
-               uiButSetNFunc(but, ui_node_link, MEM_dupallocN(arg), SET_INT_IN_POINTER(UI_NODE_LINK_DISCONNECT));
+               UI_but_funcN_set(but, ui_node_link, MEM_dupallocN(arg), SET_INT_IN_POINTER(UI_NODE_LINK_DISCONNECT));
        }
 
        ui_node_menu_column(arg, NODE_CLASS_GROUP, N_("Group"));
@@ -553,7 +609,7 @@ void uiTemplateNodeLink(uiLayout *layout, bNodeTree *ntree, bNode *node, bNodeSo
        arg->node = node;
        arg->sock = sock;
 
-       uiBlockSetCurLayout(block, layout);
+       UI_block_layout_set_current(block, layout);
 
        if (sock->link || sock->type == SOCK_SHADER || (sock->flag & SOCK_HIDE_VALUE)) {
                char name[UI_MAX_NAME_STR];
@@ -563,8 +619,8 @@ void uiTemplateNodeLink(uiLayout *layout, bNodeTree *ntree, bNode *node, bNodeSo
        else
                but = uiDefIconMenuBut(block, ui_template_node_link_menu, NULL, ICON_NONE, 0, 0, UI_UNIT_X, UI_UNIT_Y, "");
 
-       but->type = MENU;
-       but->drawflag |= UI_BUT_TEXT_LEFT;
+       UI_but_type_set_menu_from_pulldown(but);
+
        but->flag |= UI_BUT_NODE_LINK;
        but->poin = (char *)but;
        but->func_argN = arg;
@@ -589,9 +645,9 @@ static void ui_node_draw_node(uiLayout *layout, bContext *C, bNodeTree *ntree, b
 
        if (node->typeinfo->draw_buttons) {
                if (node->type != NODE_GROUP) {
-                       split = uiLayoutSplit(layout, 0.35f, FALSE);
-                       col = uiLayoutColumn(split, FALSE);
-                       col = uiLayoutColumn(split, FALSE);
+                       split = uiLayoutSplit(layout, 0.35f, false);
+                       col = uiLayoutColumn(split, false);
+                       col = uiLayoutColumn(split, false);
 
                        node->typeinfo->draw_buttons(col, C, &nodeptr);
                }
@@ -609,7 +665,7 @@ static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree,
        uiLayout *split, *row, *col;
        bNode *lnode;
        char label[UI_MAX_NAME_STR];
-       int indent = (depth > 1) ? 2 * (depth - 1) : 0;
+       int i, indent = (depth > 1) ? 2 * (depth - 1) : 0;
        int dependency_loop;
 
        if (input->flag & SOCK_UNAVAIL)
@@ -628,17 +684,19 @@ static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree,
        RNA_pointer_create(&ntree->id, &RNA_Node, node, &nodeptr);
 
        /* indented label */
-       memset(label, ' ', indent);
+       for (i = 0; i < indent; i++) {
+               label[i] = ' ';
+       }
        label[indent] = '\0';
-       BLI_snprintf(label, UI_MAX_NAME_STR, "%s%s:", label, IFACE_(input->name));
+       BLI_snprintf(label + indent, UI_MAX_NAME_STR - indent, "%s:", IFACE_(input->name));
 
        /* split in label and value */
-       split = uiLayoutSplit(layout, 0.35f, FALSE);
+       split = uiLayoutSplit(layout, 0.35f, false);
 
-       row = uiLayoutRow(split, TRUE);
+       row = uiLayoutRow(split, true);
 
        if (depth > 0) {
-               uiBlockSetEmboss(block, UI_EMBOSSN);
+               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;
@@ -650,7 +708,7 @@ static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree,
                bt = block->buttons.last;
                bt->rect.xmax = UI_UNIT_X / 2;
 
-               uiBlockSetEmboss(block, UI_EMBOSS);
+               UI_block_emboss_set(block, UI_EMBOSS);
        }
 
        uiItemL(row, label, ICON_NONE);
@@ -658,7 +716,7 @@ static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree,
        bt->drawflag = UI_BUT_TEXT_LEFT;
 
        if (dependency_loop) {
-               row = uiLayoutRow(split, FALSE);
+               row = uiLayoutRow(split, false);
                uiItemL(row, IFACE_("Dependency Loop"), ICON_ERROR);
        }
        else if (lnode) {
@@ -681,22 +739,22 @@ static void ui_node_draw_input(uiLayout *layout, bContext *C, bNodeTree *ntree,
                                case SOCK_BOOLEAN:
                                case SOCK_RGBA:
                                case SOCK_STRING:
-                                       row = uiLayoutRow(split, TRUE);
+                                       row = uiLayoutRow(split, true);
                                        uiItemR(row, &inputptr, "default_value", 0, "", ICON_NONE);
                                        break;
                                case SOCK_VECTOR:
-                                       row = uiLayoutRow(split, FALSE);
-                                       col = uiLayoutColumn(row, FALSE);
+                                       row = uiLayoutRow(split, false);
+                                       col = uiLayoutColumn(row, false);
                                        uiItemR(col, &inputptr, "default_value", 0, "", ICON_NONE);
                                        break;
                                        
                                default:
-                                       row = uiLayoutRow(split, FALSE);
+                                       row = uiLayoutRow(split, false);
                                        break;
                        }
                }
                else
-                       row = uiLayoutRow(split, FALSE);
+                       row = uiLayoutRow(split, false);
 
                uiTemplateNodeLink(row, ntree, node, input);
        }