[filebrowser] Add an option to show hidden files. (#1716)

Add an option to show hidden files by looking up the "show-hidden" filebrowser property and modifying the relevant logic in "filebrowser.c".

Co-authored-by: Dave Davenport <DaveDavenport@users.noreply.github.com>

doc/rofi.1

@@ -1137,6 +1137,8 @@ configuration {
       sorting\-method: "name";
       /** Group directories before files. */
       directories\-first: true;
+      /** Show hidden files. */
+      show-hidden: false;
    }
 }
 

doc/rofi.1.markdown

@@ -691,6 +691,8 @@ configuration {
       sorting-method: "name";
       /** Group directories before files. */
       directories-first: true;
+      /** Show hidden files. */
+      show-hidden: false;
    }
 }
 ```

source/modes/filebrowser.c

@@ -112,10 +112,13 @@ struct {
   enum FBSortingTime sorting_time;
   /** If we want to display directories above files. */
   gboolean directories_first;
+  /** If we want to show hidden files. */
+  gboolean show_hidden;
 } file_browser_config = {
     .sorting_method = FB_SORT_NAME,
     .sorting_time = FB_MTIME,
     .directories_first = TRUE,
+    .show_hidden = FALSE,
 };
 
 static void free_list(FileBrowserModePrivateData *pd) {
@@ -247,7 +250,10 @@ static void get_file_browser(Mode *sw) {
         pd->array_length++;
         continue;
       }
-      if (rd->d_name[0] == '.') {
+      if (g_strcmp0(rd->d_name, ".") == 0) {
+        continue;
+      }
+      if (rd->d_name[0] == '.' && file_browser_config.show_hidden == FALSE) {
         continue;
       }
 
@@ -367,7 +373,12 @@ static void file_browser_mode_init_config(Mode *sw) {
   if (p != NULL && p->type == P_BOOLEAN) {
     file_browser_config.directories_first = p->value.b;
   }
-
+  
+  p = rofi_theme_find_property(wid, P_BOOLEAN, "show-hidden", TRUE);
+  if (p != NULL && p->type == P_BOOLEAN) {
+    file_browser_config.show_hidden = p->value.b;
+  }
+  
   if (found_error) {
     rofi_view_error_dialog(msg, FALSE);