1 files changed, 126 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_template_attribute_search.cc b/source/blender/editors/interface/interface_template_attribute_search.cc
new file mode 100644
index 00000000000..6d4b7a37bff
--- /dev/null
+++ b/source/blender/editors/interface/interface_template_attribute_search.cc
@@ -0,0 +1,126 @@
+/*
+ * 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.
+ */
+
+/** \file
+ * \ingroup edinterface
+ */
+
+#include "BLI_string_ref.hh"
+#include "BLI_string_search.h"
+
+#include "DNA_customdata_types.h"
+
+#include "RNA_access.h"
+#include "RNA_enum_types.h"
+
+#include "BLT_translation.h"
+
+#include "NOD_geometry_nodes_eval_log.hh"
+
+#include "UI_interface.h"
+#include "UI_interface.hh"
+#include "UI_resources.h"
+
+using blender::nodes::geometry_nodes_eval_log::GeometryAttributeInfo;
+
+namespace blender::ui {
+
+static StringRef attribute_data_type_string(const CustomDataType type)
+{
+  const char *name = nullptr;
+  RNA_enum_name_from_value(rna_enum_attribute_type_items, type, &name);
+  return StringRef(IFACE_(name));
+}
+
+static StringRef attribute_domain_string(const AttributeDomain domain)
+{
+  const char *name = nullptr;
+  RNA_enum_name_from_value(rna_enum_attribute_domain_items, domain, &name);
+  return StringRef(IFACE_(name));
+}
+
+static bool attribute_search_item_add(uiSearchItems *items, const GeometryAttributeInfo &item)
+{
+  const StringRef data_type_name = attribute_data_type_string(item.data_type);
+  const StringRef domain_name = attribute_domain_string(item.domain);
+  std::string search_item_text = domain_name + " " + UI_MENU_ARROW_SEP + item.name + UI_SEP_CHAR +
+                                 data_type_name;
+
+  return UI_search_item_add(
+      items, search_item_text.c_str(), (void *)&item, ICON_NONE, UI_BUT_HAS_SEP_CHAR, 0);
+}
+
+void attribute_search_add_items(StringRefNull str,
+                                const bool is_output,
+                                Span<const GeometryAttributeInfo *> infos,
+                                uiSearchItems *seach_items,
+                                const bool is_first)
+{
+  static GeometryAttributeInfo dummy_info;
+
+  /* Any string may be valid, so add the current search string along with the hints. */
+  if (str[0] != '\0') {
+    bool contained = false;
+    for (const GeometryAttributeInfo *attribute_info : infos) {
+      if (attribute_info->name == str) {
+        contained = true;
+        break;
+      }
+    }
+    if (!contained) {
+      dummy_info.name = str;
+      UI_search_item_add(
+          seach_items, str.c_str(), &dummy_info, is_output ? ICON_ADD : ICON_NONE, 0, 0);
+    }
+  }
+
+  if (str[0] == '\0' && !is_first) {
+    /* Allow clearing the text field when the string is empty, but not on the first pass,
+     * or opening an attribute field for the first time would show this search item. */
+    dummy_info.name = str;
+    UI_search_item_add(seach_items, str.c_str(), &dummy_info, ICON_X, 0, 0);
+  }
+
+  /* Don't filter when the menu is first opened, but still run the search
+   * so the items are in the same order they will appear in while searching. */
+  const char *string = is_first ? "" : str.c_str();
+
+  StringSearch *search = BLI_string_search_new();
+  for (const GeometryAttributeInfo *item : infos) {
+
+    /* Don't show the legacy "normal" attribute. */
+    if (item->name == "normal" && item->domain == ATTR_DOMAIN_FACE) {
+      continue;
+    }
+
+    BLI_string_search_add(search, item->name.c_str(), (void *)item, 0);
+  }
+
+  GeometryAttributeInfo **filtered_items;
+  const int filtered_amount = BLI_string_search_query(search, string, (void ***)&filtered_items);
+
+  for (const int i : IndexRange(filtered_amount)) {
+    const GeometryAttributeInfo *item = filtered_items[i];
+    if (!attribute_search_item_add(seach_items, *item)) {
+      break;
+    }
+  }
+
+  MEM_freeN(filtered_items);
+  BLI_string_search_free(search);
+}
+
+}  // namespace blender::ui