mirror of https://github.com/Hilbis/Hilbish
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
package terminal
|
|
|
|
import (
|
|
"os"
|
|
|
|
"hilbish/util"
|
|
|
|
rt "github.com/arnodel/golua/runtime"
|
|
"github.com/arnodel/golua/lib/packagelib"
|
|
"golang.org/x/term"
|
|
)
|
|
|
|
var termState *term.State
|
|
var Loader = packagelib.Loader{
|
|
Load: loaderFunc,
|
|
Name: "terminal",
|
|
}
|
|
|
|
func loaderFunc(rtm *rt.Runtime) (rt.Value, func()) {
|
|
exports := map[string]util.LuaExport{
|
|
"setRaw": util.LuaExport{termsetRaw, 0, false},
|
|
"restoreState": util.LuaExport{termrestoreState, 0, false},
|
|
"size": util.LuaExport{termsize, 0, false},
|
|
"saveState": util.LuaExport{termsaveState, 0, false},
|
|
}
|
|
|
|
mod := rt.NewTable()
|
|
util.SetExports(rtm, mod, exports)
|
|
//util.Document(L, mod, "The terminal library is a simple and lower level library for certain terminal interactions.")
|
|
|
|
return rt.TableValue(mod), nil
|
|
}
|
|
|
|
// size()
|
|
// Gets the dimensions of the terminal. Returns a table with `width` and `height`
|
|
// Note: this is not the size in relation to the dimensions of the display
|
|
func termsize(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
|
|
w, h, err := term.GetSize(int(os.Stdin.Fd()))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
dimensions := rt.NewTable()
|
|
dimensions.Set(rt.StringValue("width"), rt.IntValue(int64(w)))
|
|
dimensions.Set(rt.StringValue("height"), rt.IntValue(int64(h)))
|
|
|
|
return c.PushingNext1(t.Runtime, rt.TableValue(dimensions)), nil
|
|
}
|
|
|
|
// saveState()
|
|
// Saves the current state of the terminal
|
|
func termsaveState(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
|
|
state, err := term.GetState(int(os.Stdin.Fd()))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
termState = state
|
|
return c.Next(), nil
|
|
}
|
|
|
|
// restoreState()
|
|
// Restores the last saved state of the terminal
|
|
func termrestoreState(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
|
|
err := term.Restore(int(os.Stdin.Fd()), termState)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return c.Next(), nil
|
|
}
|
|
|
|
// setRaw()
|
|
// Puts the terminal in raw mode
|
|
func termsetRaw(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
|
|
_, err := term.MakeRaw(int(os.Stdin.Fd()))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return c.Next(), nil
|
|
}
|