Keep cursor position when toggling file-filter in the main view

NEWS.adoc

@@ -7,6 +7,7 @@ master
 Improvements:
 
  - Open the blob corresponding to the diff line. (#1334)
+ - Keep cursor position when toggling file-filter in the main view.
 
 tig-2.5.10
 ----------

src/main.c

@@ -100,9 +100,13 @@ main_add_commit(struct view *view, enum line_type type, struct commit *template,
 
 	view_column_info_update(view, line);
 
-	if ((opt_start_on_head && is_head_commit(commit->id)) ||
-	    (view->env->goto_id[0] && !strncmp(view->env->goto_id, commit->id, SIZEOF_REV - 1)))
+	if (view->env->goto_id[0] && !strncmp(view->env->goto_id, commit->id, SIZEOF_REV - 1)) {
 		select_view_line(view, line->lineno + 1);
+		view->env->goto_id[0] = 0;
+	} else if (opt_start_on_head && is_head_commit(commit->id)) {
+		select_view_line(view, line->lineno + 1);
+		opt_start_on_head = false;
+	}
 
 	return commit;
 }

src/prompt.c

@@ -460,7 +460,7 @@ readline_init(void)
 	/* Allow conditional parsing of the ~/.inputrc file. */
 	rl_readline_name = "tig";
 
-	/* Word break caracters (we removed '(' to match variables) */
+	/* Word break characters (we removed '(' to match variables) */
 	rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{";
 
 	/* Custom display function */
@@ -872,8 +872,13 @@ prompt_toggle(struct view *view, const char *argv[], enum view_flag *flags)
 	}
 
 	toggle = find_option_info(option_toggles, ARRAY_SIZE(option_toggles), "", option);
-	if (toggle)
+	if (toggle) {
+		if (!strcmp(toggle->name, "file_filter") &&
+		    view_has_flags(view, VIEW_FILE_FILTER) &&
+		    view_has_flags(view, VIEW_LOG_LIKE))
+			string_copy_rev(view->env->goto_id, view->env->commit);
 		return prompt_toggle_option(view, argv, "", toggle, flags);
+	}
 
 	for (column = view->columns; column; column = column->next) {
 		toggle = find_column_option_info(column->type, &column->opt, option, &template, &column_name);