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gilo/editor/editor.go

95 lines
1.7 KiB
Go

package editor
import (
"timshome.page/gilo/fn"
"timshome.page/gilo/terminal"
)
// ----------------------------------------------------------------------------
// !Editor
// ----------------------------------------------------------------------------
type cursor struct {
x int
y int
}
type editor struct {
screen *terminal.Screen
cursor *cursor
}
func New() *editor {
screen := terminal.Size()
cursor := &cursor { 0, 0 }
return &editor{screen, cursor }
}
func (e *editor) ProcessKeypress() bool {
ch, size := terminal.ReadKey()
var runes []rune
for ; size != 0; ch, size = terminal.ReadKey() {
if ch == fn.Ctrl('q') {
// Clean up on exit
terminal.Write(terminal.ClearScreen + terminal.ResetCursor)
return false
}
runes = append(runes, ch)
print(runes)
}
terminal.Write("%v", runes)
return false
//str = terminal.Read()
//
//// Handle simplest inputs first
//ch, _ := terminal.ReadKey()
//runes := terminal.Read()
//str := string(runes)
//
//terminal.Write(terminal.ClearScreen + terminal.ResetCursor)
//terminal.WriteLn(fmt.Sprintf("%v\r\r", runes))
//
////// Escape sequences can be less fun...
//if strings.Contains(str, terminal.EscPrefix) {
// code := strings.TrimPrefix(str, terminal.EscPrefix)
//
// switch code {
// case KeyArrowUp, KeyArrowDown, KeyArrowLeft, KeyArrowRight:
// e.moveCursor(code)
// return true
// default:
// // Do something later
// }
//}
//
//return true
}
//func (e *editor) processEscapeCode() bool {
//
//}
func (e *editor) moveCursor (rawKey string) {
key := keyMap[rawKey]
switch key {
case keyLeft:
e.cursor.x -= 1
case keyRight:
e.cursor.x += 1
case keyUp:
e.cursor.y -= 1
case keyDown:
e.cursor.y += 1
}
}