add ability to toggle menu visibility

1 files changed, 37 insertions, 7 deletions

diff --git a/main.lua b/main.lua
index a2746d5..586d536 100644
--- a/main.lua
+++ b/main.lua
@@ -126,12 +126,42 @@ function handle_backspace()
 	update_osd()
 end
 
-local repeatable = {repeatable=true}
-mp.add_forced_key_binding('UP', 'up', handle_up, repeatable)
-mp.add_forced_key_binding('DOWN', 'down', handle_down, repeatable)
-mp.add_forced_key_binding('PGUP', 'page_up', handle_page_up, repeatable)
-mp.add_forced_key_binding('PGDWN', 'page_down', handle_page_down, repeatable)
-mp.add_forced_key_binding('ENTER', 'enter', handle_enter)
-mp.add_forced_key_binding('BS', 'backspace', handle_backspace)
+function toggle_menu()
+	osd.hidden = not osd.hidden
+	osd:update()
+
+	if osd.hidden then
+		unbind_keys()
+	else
+		bind_keys()
+	end
+end
+
+local key_bindings = {}
+
+function bind_key(key, func, opts)
+	key_bindings[#key_bindings+1] = key
+	mp.add_forced_key_binding(key, key, func, opts)
+end
+
+function unbind_keys()
+	for _, key in ipairs(key_bindings) do
+		mp.remove_key_binding(key)
+	end
+	key_bindings = {}
+end
+
+function bind_keys()
+	local repeatable = {repeatable=true}
+	bind_key('UP', handle_up, repeatable)
+	bind_key('DOWN', handle_down, repeatable)
+	bind_key('PGUP', handle_page_up, repeatable)
+	bind_key('PGDWN', handle_page_down, repeatable)
+	bind_key('ENTER', handle_enter)
+	bind_key('BS', handle_backspace)
+end
+
+mp.add_forced_key_binding('TAB', 'toggle-menu', toggle_menu)
+bind_keys()
 
 update_osd()