static int lua_tb_init( lua_State *L ) {
int err = tb_init();
struct luabox_State *lbstate;
if ( err ) {
lua_pushnil( L );
lua_pushinteger( L, err );
return 2;
}
if ( lua_gettop( L ) >= 1 ) {
if ( lua_isnumber( L, 1 )) {
uint16_t inputmode = (uint16_t) lua_tonumber( L, 1 );
tb_select_input_mode( inputmode );
}
}
if ( lua_gettop( L ) >= 2 ) {
if ( lua_isnumber( L, 2 )) {
uint16_t ouputmode = (uint16_t) lua_tonumber( L, 2 );
tb_select_output_mode( ouputmode );
}
}
lua_pushlightuserdata( L, L );
lbstate = lua_newuserdata( L, sizeof *lbstate );
lua_settable( L, LUA_REGISTRYINDEX );
return 0;
}
/*
* The ctor calls the init function to initialize the termbox library, which
* returns
* -1 if unsupported terminal,
* -2 if failed to open tty,
* -3 unix pipe error.
*/
Window::Window() {
// TODO: ignored ret code for now
int ret = tb_init();
// input = {};
// tb_clear();
tb_select_output_mode(TB_OUTPUT_NORMAL);
tb_present();
}
inline
Manager(std::unique_ptr<Widget>&& widget) {
tb_init();
tb_select_input_mode(TB_INPUT_ESC | TB_INPUT_MOUSE);
tb_select_output_mode(TB_OUTPUT_256);
root = std::move(widget);
resize(tb_width(), tb_height());
}
static int luabox_gray_internal( lua_State *L, lua_Number mul ) {
lua_Number gr, offset = 0;
switch ( tb_select_output_mode( TB_OUTPUT_CURRENT )) {
case TB_OUTPUT_NORMAL:
luaL_error( L, "wrong output mode for grayscale colors: NORMAL" );
return 0;
case TB_OUTPUT_216:
luaL_error( L, "wrong output mode for grayscale colors: 216" );
return 0;
case TB_OUTPUT_256:
offset = 0xe8;
case TB_OUTPUT_GRAYSCALE:
gr = mul * luaL_checknumber( L, -1 );
lua_pushnumber( L, gr + offset );
return 1;
default:
luaL_error( L, "wrong output mode for grayscale colors: UNKNOWN" );
return 0;
}
}
static int luabox_rgb_internal( lua_State *L, uint16_t mul ) {
uint16_t r, g, b, offset = 0;
switch ( tb_select_output_mode( TB_OUTPUT_CURRENT )) {
case TB_OUTPUT_NORMAL:
luaL_error( L, "wrong output mode for RGB colors: NORMAL" );
return 0;
case TB_OUTPUT_GRAYSCALE:
luaL_error( L, "wrong output mode for RGB colors: GRAYSCALE" );
return 0;
case TB_OUTPUT_256:
offset = 0x10;
case TB_OUTPUT_216:
r = mul*luaL_checknumber( L, 1 ); r *= (LUABOX_RGBCOLORMAX+1) * (LUABOX_RGBCOLORMAX+1);
g = mul*luaL_checknumber( L, 2 ); g *= (LUABOX_RGBCOLORMAX+1);
b = mul*luaL_checknumber( L, 3 );
lua_pushnumber( L, (r + g + b) + offset );
return 1;
default:
luaL_error( L, "wrong output mode for RGB colors: UNKNOWN" );
return 0;
}
}
static int lua_tb_select_output_mode( lua_State *L ) {
int mode = luaL_checkint( L, 1 );
lua_pushnumber( L, tb_select_output_mode( mode ));
return 1;
}
