diff options
Diffstat (limited to 'vis-lua.c')
| -rw-r--r-- | vis-lua.c | 38 |
1 files changed, 38 insertions, 0 deletions
@@ -906,6 +906,43 @@ static int map(lua_State *L) { } /*** + * Get all currently active mappings of a mode. + * + * @function mappings + * @tparam int mode the mode to query + * @treturn table the active mappings and their associated help texts + * @usage + * local bindings = vis:mappings(vis.modes.NORMAL) + * for key, help in pairs(bindings) do + * -- do something + * end + * @see Vis:map + */ +static bool binding_collect(const char *key, void *value, void *ctx) { + lua_State *L = ctx; + KeyBinding *binding = value; + lua_getfield(L, -1, key); + bool new = lua_isnil(L, -1); + lua_pop(L, 1); + if (new) { + lua_pushstring(L, binding->alias ? binding->alias : binding->action->help); + lua_setfield(L, -2, key); + } + return true; +} + +static int mappings(lua_State *L) { + Vis *vis = obj_ref_check(L, 1, "vis"); + lua_newtable(L); + for (Mode *mode = mode_get(vis, luaL_checkint(L, 2)); mode; mode = mode->parent) { + if (!mode->bindings) + continue; + map_iterate(mode->bindings, binding_collect, vis->lua); + } + return 1; +} + +/*** * Execute a motion. * * @function motion @@ -1384,6 +1421,7 @@ static const struct luaL_Reg vis_lua[] = { { "info", info }, { "message", message }, { "map", map }, + { "mappings", mappings }, { "operator", operator }, { "operator_register", operator_register }, { "motion", motion }, |