Added it_toggle_bar command; default mapping: XK_b

README.md

@@ -88,6 +88,7 @@ The following general key commands are available:
 
     f            Toggle fullscreen mode (requires an EWMH/NetWM compliant
                  window manager)
+    b            Toggle visibility of info bar on bottom of window
     A            Toggle visibility of alpha-channel, i.e. transparency
 
     r            Reload image

commands.c

@@ -76,6 +76,7 @@ bool it_switch_mode(arg_t a) {
 
 bool it_toggle_fullscreen(arg_t a) {
 	win_toggle_fullscreen(&win);
+	/* redraw after next ConfigureNotify event */
 	set_timeout(redraw, TO_REDRAW_RESIZE, false);
 	if (mode == MODE_IMAGE)
 		img.checkpan = true;
@@ -84,6 +85,15 @@ bool it_toggle_fullscreen(arg_t a) {
 	return false;
 }
 
+bool it_toggle_bar(arg_t a) {
+	win_toggle_bar(&win);
+	if (mode == MODE_IMAGE)
+		img.checkpan = img.dirty = true;
+	else
+		tns.dirty = true;
+	return true;
+}
+
 bool it_reload_image(arg_t a) {
 	if (mode == MODE_IMAGE) {
 		load_image(fileidx);

commands.h

@@ -44,6 +44,7 @@ typedef struct {
 bool it_quit(arg_t);
 bool it_switch_mode(arg_t);
 bool it_toggle_fullscreen(arg_t);
+bool it_toggle_bar(arg_t);
 bool it_reload_image(arg_t);
 bool it_remove_image(arg_t);
 bool i_navigate(arg_t);

config.def.h

@@ -60,6 +60,7 @@ static const keymap_t keys[] = {
 	{ false,  XK_q,             it_quit,              (arg_t) None },
 	{ false,  XK_Return,        it_switch_mode,       (arg_t) None },
 	{ false,  XK_f,             it_toggle_fullscreen, (arg_t) None },
+	{ false,  XK_b,             it_toggle_bar,        (arg_t) None },
 
 	{ false,  XK_r,             it_reload_image,      (arg_t) None },
 	{ false,  XK_D,             it_remove_image,      (arg_t) None },

sxiv.1

@@ -105,6 +105,9 @@ Go to the last image, or image number
 .B f
 Toggle fullscreen mode.
 .TP
+.B b
+Toggle visibility of info bar on bottom of window.
+.TP
 .B A
 Toggle visibility of alpha-channel, i.e. image transparency.
 .TP

window.c

@@ -306,6 +306,19 @@ void win_toggle_fullscreen(win_t *win) {
 	           SubstructureNotifyMask | SubstructureRedirectMask, &ev);
 }
 
+void win_toggle_bar(win_t *win) {
+	if (win == NULL || win->xwin == None)
+		return;
+
+	if (win->barh != 0) {
+		win->h += win->barh;
+		win->barh = 0;
+	} else {
+		win->barh = font.ascent + font.descent + 2 * V_TEXT_PAD;
+		win->h -= win->barh;
+	}
+}
+
 void win_clear(win_t *win) {
 	win_env_t *e;
 

window.h

@@ -69,6 +69,7 @@ bool win_configure(win_t*, XConfigureEvent*);
 bool win_moveresize(win_t*, int, int, unsigned int, unsigned int);
 
 void win_toggle_fullscreen(win_t*);
+void win_toggle_bar(win_t*);
 
 void win_clear(win_t*);
 void win_draw(win_t*);