Display optionally tabs bar at top like other browser do.

TODO: input_line_layouter, ACT_MAIN_TAB_MENU

src/config/options.inc

@@ -1161,6 +1161,10 @@ static struct option_info config_options_info[] = {
 		"1 means only if two or more tabs are open\n"
 		"2 means always")),
 
+	INIT_OPT_BOOL("ui.tabs", N_("Tab bar at top"),
+		"top", 0, 0,
+		N_("Whether display tab bar at top like other browsers do.")),
+
 	INIT_OPT_BOOL("ui.tabs", N_("Wrap-around tabs cycling"),
 		"wraparound", 0, 1,
 		N_("When moving right from the last tab, jump at the first one, and\n"

src/dialogs/status.c

@@ -67,6 +67,7 @@ update_status(void)
 	int show_title_bar = get_opt_bool("ui.show_title_bar");
 	int show_status_bar = get_opt_bool("ui.show_status_bar");
 	int show_tabs_bar = get_opt_int("ui.tabs.show_bar");
+	int show_tabs_bar_at_top = get_opt_bool("ui.tabs.top");
 #ifdef CONFIG_LEDS
 	int show_leds = get_opt_bool("ui.leds.enable");
 #endif
@@ -105,6 +106,13 @@ update_status(void)
 			status->show_tabs_bar = show_tabs(show_tabs_bar, tabs);
 			dirty = 1;
 		}
+
+		if (status->show_tabs_bar) {
+			if (status->show_tabs_bar_at_top != show_tabs_bar_at_top) {
+				status->show_tabs_bar_at_top = show_tabs_bar_at_top;
+				dirty = 1;
+			}
+		}
 #ifdef CONFIG_LEDS
 		if (status->show_leds != show_leds) {
 			status->show_leds = show_leds;
@@ -290,7 +298,8 @@ display_tab_bar(struct session *ses, struct terminal *term, int tabs_count)
 	int tab_num;
 	struct box box;
 
-	set_box(&box, 0, term->height - (status->show_status_bar ? 2 : 1), 0, 1);
+	if (status->show_tabs_bar_at_top) set_box(&box, 0, status->show_title_bar, term->width, 1);
+	else set_box(&box, 0, term->height - (status->show_status_bar ? 2 : 1), 0, 1);
 
 	for (tab_num = 0; tab_num < tabs_count; tab_num++) {
 		struct download *download = NULL;

src/document/renderer.c

@@ -430,7 +430,10 @@ render_document_frames(struct session *ses, int no_cache)
 		doc_opts.box.height--;
 	}
 	if (ses->status.show_status_bar) doc_opts.box.height--;
-	if (ses->status.show_tabs_bar) doc_opts.box.height--;
+	if (ses->status.show_tabs_bar) {
+		doc_opts.box.height--;
+		if (ses->status.show_tabs_bar_at_top) doc_opts.box.y++;
+	}
 
 	doc_opts.color_mode = get_opt_int_tree(ses->tab->term->spec, "colors");
 	if (!get_opt_bool_tree(ses->tab->term->spec, "underline"))

src/session/session.h

@@ -106,6 +106,7 @@ struct session_status {
 
 	/* Is processing file requests. */
 	unsigned int processing_file_requests:1;
+	unsigned int show_tabs_bar_at_top:1;
 };
 
 enum insert_mode {

src/viewer/text/view.c

@@ -1007,6 +1007,17 @@ do_mouse_event(struct session *ses, struct term_event *ev,
 	return send_to_frame(ses, doc_view, &evv);
 }
 
+static int
+is_mouse_on_tab_bar(struct session *ses, struct term_event_mouse *mouse)
+{
+	struct terminal *term = ses->tab->term;
+	int y;
+
+	if (ses->status.show_tabs_bar_at_top) y = ses->status.show_title_bar;
+	else y = term->height - 1 - !!ses->status.show_status_bar;
+
+	return mouse->y == y;
+}
 /* Returns the session if event cleanup should be done or NULL if no cleanup is
  * needed. */
 static struct session *
@@ -1029,8 +1040,7 @@ send_mouse_event(struct session *ses, struct document_view *doc_view,
 	}
 
 	/* Handle tabs navigation if tabs bar is displayed. */
-	if (ses->status.show_tabs_bar
+	if (ses->status.show_tabs_bar && is_mouse_on_tab_bar(ses, mouse)) {
-	    && mouse->y == term->height - 1 - !!ses->status.show_status_bar) {
 		int tab_num = get_tab_number_by_xpos(term, mouse->x);
 		struct window *tab = get_current_tab(term);