func main() {
defer display.Reset()
bytes, err := ioutil.ReadFile(files[0])
if err != nil {
panic(err)
}
ed = editor.NewEditor(bytes, files[0])
display.Show([]rune(string(bytes)), []rune{})
display.Draw()
Poll()
}
func parseSlash() {
runes := input.Runes()
defer func() {
input.AddRune('/')
input.Draw()
}()
// input.Reset()
if len(runes) == 0 {
return
}
commands := parseLine(string(runes))
ed.SaveDot()
if onlyHighlights(commands) {
for _, command := range commands {
ed.Command(command[0], command[1:])
}
display.Highlight(ed.Highlights())
display.Draw()
ed.UnSaveDot()
return
}
}
func Poll() {
for {
e := termbox.PollEvent()
// LogS(fmt.Sprintf("%d", e.Key))
switch {
case e.Type == termbox.EventResize:
display.Resize()
display.Draw()
case e.Key == termbox.KeyCtrlA: // Control-A
input.CursorAtBeginning()
case e.Key == termbox.KeyCtrlE: // Control-E
input.CursorAtEnd()
case e.Key == termbox.KeyCtrlC: // Control-C
Exit()
// Scrolling
case e.Key == termbox.KeyCtrlN:
display.ScrollDown()
case e.Key == termbox.KeyCtrlP:
display.ScrollUp()
case e.Key == termbox.KeyEsc:
input.Reset()
case e.Key == termbox.KeySpace: //Space
input.AddRune(' ')
input.Draw()
case e.Key == termbox.KeyEnter: // Return
runes := input.Runes()
commandHistory.Add(runes)
input.Reset()
if len(runes) == 0 {
break
}
commands := parseLine(string(runes))
for _, command := range commands {
ed.Command(command[0], command[1:])
}
display.ShowFile([]rune(ed.String()))
display.Highlight(ed.Highlights())
display.Draw()
case e.Ch == '/':
parseSlash()
// // Arrow keys
// Cursor Movement
case e.Key == termbox.KeyArrowLeft:
input.CursorLeft()
case e.Key == termbox.KeyArrowRight:
input.CursorRight()
case e.Key == termbox.KeyArrowUp:
past, err := commandHistory.Pop()
if err != nil {
// Empty stack.
// show alert later.
break
}
input.Reset()
input.SetRunes(past.([]rune))
input.Draw()
break
case e.Key == termbox.KeyArrowDown:
input.Reset()
past, err := commandHistory.UnPop()
if err != nil {
// Empty stack.
// show alert later.
break
}
input.SetRunes(past.([]rune))
input.Draw()
break
// Delete Key
case e.Key == termbox.KeyBackspace || e.Key == termbox.KeyBackspace2 || e.Key == termbox.KeyDelete:
input.Backspace()
input.Draw()
case e.Key == 0: // All other normal chars
input.AddRune(e.Ch)
input.Draw()
}
}
}