Fix file browser back history

applications/main/archive/helpers/archive_browser.c

@@ -58,8 +58,9 @@ static void archive_list_load_cb(void* context, uint32_t list_load_offset) {
 }
 
 static void
-    archive_list_item_cb(void* context, FuriString* item_path, bool is_folder, bool is_last) {
+    archive_list_item_cb(void* context, FuriString* item_path, uint32_t idx, bool is_folder, bool is_last) {
     furi_assert(context);
+    UNUSED(idx);
     ArchiveBrowserView* browser = (ArchiveBrowserView*)context;
 
     if(!is_last) {

applications/services/gui/modules/file_browser.c

@@ -34,6 +34,7 @@ typedef enum {
 } BrowserItemType;
 
 typedef struct {
+    uint32_t unsorted_idx;
     FuriString* path;
     BrowserItemType type;
     uint8_t* custom_icon_data;
@@ -41,6 +42,7 @@ typedef struct {
 } BrowserItem_t;
 
 static void BrowserItem_t_init(BrowserItem_t* obj) {
+    obj->unsorted_idx = 0;
     obj->type = BrowserItemTypeLoading;
     obj->path = furi_string_alloc();
     obj->display_name = furi_string_alloc();
@@ -48,6 +50,7 @@ static void BrowserItem_t_init(BrowserItem_t* obj) {
 }
 
 static void BrowserItem_t_init_set(BrowserItem_t* obj, const BrowserItem_t* src) {
+    obj->unsorted_idx = src->unsorted_idx;
     obj->type = src->type;
     obj->path = furi_string_alloc_set(src->path);
     obj->display_name = furi_string_alloc_set(src->display_name);
@@ -60,6 +63,7 @@ static void BrowserItem_t_init_set(BrowserItem_t* obj, const BrowserItem_t* src)
 }
 
 static void BrowserItem_t_set(BrowserItem_t* obj, const BrowserItem_t* src) {
+    obj->unsorted_idx = src->unsorted_idx;
     obj->type = src->type;
     furi_string_set(obj->path, src->path);
     furi_string_set(obj->display_name, src->display_name);
@@ -158,7 +162,7 @@ static void
     browser_folder_open_cb(void* context, uint32_t item_cnt, int32_t file_idx, bool is_root);
 static void browser_list_load_cb(void* context, uint32_t list_load_offset);
 static void
-    browser_list_item_cb(void* context, FuriString* item_path, bool is_folder, bool is_last);
+    browser_list_item_cb(void* context, FuriString* item_path, uint32_t idx, bool is_folder, bool is_last);
 static void browser_long_load_cb(void* context);
 
 static void file_browser_scroll_timer_callback(void* context) {
@@ -413,12 +417,13 @@ static void browser_list_load_cb(void* context, uint32_t list_load_offset) {
 }
 
 static void
-    browser_list_item_cb(void* context, FuriString* item_path, bool is_folder, bool is_last) {
+    browser_list_item_cb(void* context, FuriString* item_path, uint32_t idx, bool is_folder, bool is_last) {
     furi_assert(context);
     FileBrowser* browser = (FileBrowser*)context;
 
     BrowserItem_t item;
     item.custom_icon_data = NULL;
+    item.unsorted_idx = idx;
 
     if(!is_last) {
         item.path = furi_string_alloc_set(item_path);
@@ -465,10 +470,23 @@ static void
             browser->view,
             FileBrowserModel * model,
             {
+                FuriString* selected = NULL;
+                if(model->item_idx > 0) {
+                    selected = furi_string_alloc_set(items_array_get(model->items, model->item_idx)->path);
+                }
                 items_array_sort(model->items);
+                if(selected) {
+                    for(uint32_t i = 0; i < model->item_cnt; i++) {
+                        if(!furi_string_cmp(items_array_get(model->items, i)->path, selected)) {
+                            model->item_idx = i;
+                            break;
+                        }
+                    }
+                }
                 model->list_loading = false;
             },
             true);
+        browser_update_offset(browser);
     }
 }
 
@@ -667,10 +685,7 @@ static bool file_browser_view_input_callback(InputEvent* event, void* context) {
                     if(browser_is_item_in_array(model, model->item_idx)) {
                         selected_item =
                             items_array_get(model->items, model->item_idx - model->array_offset);
-                        select_index = model->item_idx;
+                        select_index = selected_item->unsorted_idx;
-                        if((!model->is_root) && (select_index > 0)) {
-                            select_index -= 1;
-                        }
                     }
                 },
                 false);

applications/services/gui/modules/file_browser_worker.c

@@ -247,13 +247,13 @@ static bool
                 furi_string_printf(name_str, "%s/%s", furi_string_get_cstr(path), name_temp);
                 if(browser->list_item_cb) {
                     browser->list_item_cb(
-                        browser->cb_ctx, name_str, (file_info.flags & FSF_DIRECTORY), false);
+                        browser->cb_ctx, name_str, items_cnt, (file_info.flags & FSF_DIRECTORY), false);
                 }
                 items_cnt++;
             }
         }
         if(browser->list_item_cb) {
-            browser->list_item_cb(browser->cb_ctx, NULL, false, true);
+            browser->list_item_cb(browser->cb_ctx, NULL, 0, false, true);
         }
         ret = true;
     } while(0);

applications/services/gui/modules/file_browser_worker.h

@@ -17,6 +17,7 @@ typedef void (*BrowserWorkerListLoadCallback)(void* context, uint32_t list_load_
 typedef void (*BrowserWorkerListItemCallback)(
     void* context,
     FuriString* item_path,
+    uint32_t idx,
     bool is_folder,
     bool is_last);
 typedef void (*BrowserWorkerLongLoadCallback)(void* context);