diff options
Diffstat (limited to 'vis-lua.c')
| -rw-r--r-- | vis-lua.c | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -660,6 +660,35 @@ static int open(lua_State *L) { return 1; } +/*** + * Register a Lua function as key action. + * @function action_register + * @tparam string name the name of the action, can be referred to in key bindings as `<name>` pseudo key + * @tparam Function func the lua function implementing the key action + * @tparam[opt] string help the single line help text as displayed in `:help` + * @treturn KeyAction action the registered key action + * @local + * @see Vis:map + * @see Window:map + */ +static int action_register(lua_State *L) { + Vis *vis = obj_ref_check(L, 1, "vis"); + const char *name = luaL_checkstring(L, 2); + const void *func = func_ref_new(L, 3); + const char *help = luaL_optstring(L, 4, NULL); + KeyAction *action = vis_action_new(vis, name, help, keymapping, (Arg){ .v = func }); + if (!action) + goto err; + if (!vis_action_register(vis, action)) + goto err; + obj_ref_new(L, action, "vis.keyaction"); + return 1; +err: + vis_action_free(vis, action); + lua_pushnil(L); + return 1; +} + static int keymap(lua_State *L, Vis *vis, Win *win) { int mode = luaL_checkint(L, 2); const char *key = luaL_checkstring(L, 3); @@ -924,6 +953,7 @@ static const struct luaL_Reg vis_lua[] = { { "textobject_register", textobject_register }, { "command_register", command_register }, { "feedkeys", feedkeys }, + { "action_register", action_register }, { "__index", vis_index }, { "__newindex", newindex_common }, { NULL, NULL }, @@ -2040,6 +2070,8 @@ void vis_lua_init(Vis *vis) { lua_pushlightuserdata(L, vis); luaL_setfuncs(L, registers_funcs, 1); + obj_type_new(L, "vis.keyaction"); + obj_type_new(L, "vis"); luaL_setfuncs(L, vis_lua, 0); |