Added i_set_zoom command: set zoom to number prefix

commands.c

@@ -273,7 +273,14 @@ bool i_zoom(arg_t a) {
 	else if (scale < 0)
 		return img_zoom_out(&img);
 	else
-		return img_zoom(&img, 1.0);
+		return false;
+}
+
+bool i_set_zoom(arg_t a) {
+	if (mode == MODE_IMAGE)
+		return img_zoom(&img, (prefix ? prefix : (long) a) / 100.0);
+	else
+		return false;
 }
 
 bool i_fit_to_win(arg_t a) {

commands.h

@@ -56,6 +56,7 @@ bool i_pan_screen(arg_t);
 bool i_pan_edge(arg_t);
 bool i_drag(arg_t);
 bool i_zoom(arg_t);
+bool i_set_zoom(arg_t);
 bool i_fit_to_win(arg_t);
 bool i_fit_to_img(arg_t);
 bool i_rotate(arg_t);

config.def.h

@@ -112,7 +112,7 @@ static const keymap_t keys[] = {
 	{ false,  XK_KP_Add,        i_zoom,               (arg_t) +1 },
 	{ false,  XK_minus,         i_zoom,               (arg_t) -1 },
 	{ false,  XK_KP_Subtract,   i_zoom,               (arg_t) -1 },
-	{ false,  XK_equal,         i_zoom,               (arg_t) None },
+	{ false,  XK_equal,         i_set_zoom,           (arg_t) 100 },
 	{ false,  XK_w,             i_fit_to_win,         (arg_t) None },
 	{ false,  XK_W,             i_fit_to_img,         (arg_t) None },