Cleanup: Remove unecessary storage of search filter in uiBlock

Since the search is applied all in one phase, there is no need to store
a reference to the search filter in every uiBlock. Instead just pass it
as an argument to UI_block_apply_search_filter.

source/blender/editors/include/UI_interface.h

@@ -676,7 +676,6 @@ char UI_block_emboss_get(uiBlock *block);
 void UI_block_emboss_set(uiBlock *block, char emboss);
 bool UI_block_is_search_only(const uiBlock *block);
 void UI_block_set_search_only(uiBlock *block, bool search_only);
-void UI_block_set_search_filter(uiBlock *block, const char *search_filter);
 
 void UI_block_free(const struct bContext *C, uiBlock *block);
 void UI_blocklist_free(const struct bContext *C, struct ListBase *lb);
@@ -1870,7 +1869,7 @@ uiLayout *UI_block_layout(uiBlock *block,
 void UI_block_layout_set_current(uiBlock *block, uiLayout *layout);
 void UI_block_layout_resolve(uiBlock *block, int *r_x, int *r_y);
 
-bool UI_block_apply_search_filter(uiBlock *block);
+bool UI_block_apply_search_filter(uiBlock *block, const char *search_filter);
 
 void UI_region_message_subscribe(struct ARegion *region, struct wmMsgBus *mbus);
 

source/blender/editors/interface/interface.c

@@ -3594,11 +3594,6 @@ void UI_block_set_search_only(uiBlock *block, bool search_only)
   SET_FLAG_FROM_TEST(block->flag, search_only, UI_BLOCK_SEARCH_ONLY);
 }
 
-void UI_block_set_search_filter(uiBlock *block, const char *search_filter)
-{
-  block->search_filter = search_filter;
-}
-
 static void ui_but_build_drawstr_float(uiBut *but, double value)
 {
   size_t slen = 0;

source/blender/editors/interface/interface_intern.h

@@ -524,12 +524,6 @@ struct uiBlock {
    */
   char display_device[64];
 
-  /**
-   * Pointer to the space's property search string.
-   * The block doesn't allocate this or change it.
-   */
-  const char *search_filter;
-
   struct PieMenuData pie_data;
 };
 

source/blender/editors/interface/interface_layout.c

@@ -5161,10 +5161,10 @@ void uiLayoutRootSetSearchOnly(uiLayout *layout, bool search_only)
 /* Disabled for performance reasons, but this could be turned on in the future. */
 // #define PROPERTY_SEARCH_USE_TOOLTIPS
 
-static bool block_search_panel_label_matches(const uiBlock *block)
+static bool block_search_panel_label_matches(const uiBlock *block, const char *search_string)
 {
   if ((block->panel != NULL) && (block->panel->type != NULL)) {
-    if (BLI_strcasestr(block->panel->type->label, block->search_filter)) {
+    if (BLI_strcasestr(block->panel->type->label, search_string)) {
       return true;
     }
   }
@@ -5294,12 +5294,12 @@ static bool button_group_has_search_match(uiButtonGroup *button_group, const cha
  *
  * \return True if the block has any search results.
  */
-static bool block_search_filter_tag_buttons(uiBlock *block)
+static bool block_search_filter_tag_buttons(uiBlock *block, const char *search_filter)
 {
   bool has_result = false;
   LISTBASE_FOREACH (uiLayoutRoot *, root, &block->layouts) {
     LISTBASE_FOREACH (uiButtonGroup *, button_group, &root->button_groups) {
-      if (button_group_has_search_match(button_group, block->search_filter)) {
+      if (button_group_has_search_match(button_group, search_filter)) {
         LISTBASE_FOREACH (LinkData *, link, &button_group->buttons) {
           uiBut *but = link->data;
           but->flag |= UI_SEARCH_FILTER_MATCHES;
@@ -5325,15 +5325,17 @@ static void block_search_deactivate_buttons(uiBlock *block)
  *
  * \note Must not be run after #UI_block_layout_resolve.
  */
-bool UI_block_apply_search_filter(uiBlock *block)
+bool UI_block_apply_search_filter(uiBlock *block, const char *search_filter)
 {
-  if (!(block->search_filter && block->search_filter[0])) {
+  if (search_filter == NULL || search_filter[0] == '\0') {
     return false;
   }
 
-  const bool panel_label_matches = block_search_panel_label_matches(block);
+  const bool panel_label_matches = block_search_panel_label_matches(block, search_filter);
 
-  const bool has_result = panel_label_matches ? true : block_search_filter_tag_buttons(block);
+  const bool has_result = (panel_label_matches) ?
+                              true :
+                              block_search_filter_tag_buttons(block, search_filter);
 
   block_search_remove_search_only_roots(block);
 

source/blender/editors/screen/area.c

@@ -2607,7 +2607,6 @@ static void ed_panel_draw(const bContext *C,
     strncat(block_name, unique_panel_str, INSTANCED_PANEL_UNIQUE_STR_LEN);
   }
   uiBlock *block = UI_block_begin(C, region, block_name, UI_EMBOSS);
-  UI_block_set_search_filter(block, search_filter);
   UI_block_set_search_only(block, search_only);
 
   bool open;
@@ -2634,7 +2633,7 @@ static void ed_panel_draw(const bContext *C,
 
     pt->draw_header_preset(C, panel);
 
-    UI_block_apply_search_filter(block);
+    UI_block_apply_search_filter(block, search_filter);
     UI_block_layout_resolve(block, &xco, &yco);
     UI_block_translate(block, headerend - xco, 0);
     panel->layout = NULL;
@@ -2666,7 +2665,7 @@ static void ed_panel_draw(const bContext *C,
 
     pt->draw_header(C, panel);
 
-    UI_block_apply_search_filter(block);
+    UI_block_apply_search_filter(block, search_filter);
     UI_block_layout_resolve(block, &xco, &yco);
     panel->labelofs = xco - labelx;
     panel->layout = NULL;
@@ -2703,7 +2702,7 @@ static void ed_panel_draw(const bContext *C,
 
     pt->draw(C, panel);
 
-    UI_block_apply_search_filter(block);
+    UI_block_apply_search_filter(block, search_filter);
     UI_block_layout_resolve(block, &xco, &yco);
     panel->layout = NULL;