func (h *hncli) Run() {
for !h.finished {
c := h.root.GetChar()
if c == 127 {
c = goncurses.Key(goncurses.KEY_BACKSPACE)
}
ch := goncurses.KeyString(c)
h.handler(ch)
}
}
func main() {
stdscr, err := goncurses.Init()
if err != nil {
log.Fatal("init:", err)
}
defer goncurses.End()
goncurses.Raw(true)
goncurses.Echo(false)
goncurses.Cursor(0)
stdscr.Clear()
stdscr.Keypad(true)
menu_items := []string{"Choice 1", "Choice 2", "Choice 3", "Choice 4",
"Exit"}
items := make([]*goncurses.MenuItem, len(menu_items))
for i, val := range menu_items {
items[i], _ = goncurses.NewItem(val, "")
defer items[i].Free()
}
menu, err := goncurses.NewMenu(items)
if err != nil {
stdscr.Print(err)
return
}
defer menu.Free()
menu.Post()
stdscr.MovePrint(20, 0, "'q' to exit")
stdscr.Refresh()
for {
goncurses.Update()
ch := stdscr.GetChar()
switch goncurses.KeyString(ch) {
case "q":
return
case "down":
menu.Driver(goncurses.REQ_DOWN)
case "up":
menu.Driver(goncurses.REQ_UP)
}
}
}
func (cw *chatWin) handleInput(win *goncurses.Window) (line string) {
k := win.GetChar()
if k == 0 {
return ""
}
// some systems send a DEL ASCII character instead of KEY_BACKSPACE
// account for both just in case
if k == 127 {
k = goncurses.KEY_BACKSPACE
}
switch k {
case goncurses.KEY_TAB: // tab
// case goncurses.KEY_RETURN: // enter key vs. KEY_ENTER
case goncurses.KEY_DOWN: // down arrow key
case goncurses.KEY_UP: // up arrow key
case goncurses.KEY_LEFT: // left arrow key
case goncurses.KEY_RIGHT: // right arrow key
case goncurses.KEY_HOME: // home key
case goncurses.KEY_BACKSPACE: // backpace
if len(cw.line) > 0 {
cw.line = cw.line[:len(cw.line)-1]
}
y, x := win.CursorYX()
// TODO: handle this more elegantly (e.g. tell ncurses not to print backspaces)
// we have to do this three times because ncurses inserts two characters for backspace
// this is likely wrong in some cases
for i := 0; i < 3; i++ {
y, x = cw.moveLeft(y, x)
win.MoveDelChar(y, x)
}
win.Refresh()
case goncurses.KEY_F1: // F1 key
case goncurses.KEY_F2: // F2 key
case goncurses.KEY_F3: // F3 key
case goncurses.KEY_F4: // F4 key
case goncurses.KEY_F5: // F5 key
case goncurses.KEY_F6: // F6 key
case goncurses.KEY_F7: // F7 key
case goncurses.KEY_F8: // F8 key
case goncurses.KEY_F9: // F9 key
case goncurses.KEY_F10: // F10 key
case goncurses.KEY_F11: // F11 key
case goncurses.KEY_F12: // F12 key
case goncurses.KEY_DL: // delete-line key
case goncurses.KEY_IL: // insert-line key
case goncurses.KEY_DC: // delete-character key
case goncurses.KEY_IC: // insert-character key
case goncurses.KEY_EIC: // sent by rmir or smir in insert mode
case goncurses.KEY_CLEAR: // clear-screen or erase key3
case goncurses.KEY_EOS: // clear-to-end-of-screen key
case goncurses.KEY_EOL: // clear-to-end-of-line key
case goncurses.KEY_SF: // scroll-forward key
case goncurses.KEY_SR: // scroll-backward key
case goncurses.KEY_PAGEDOWN: // page-down key (next-page)
case goncurses.KEY_PAGEUP: // page-up key (prev-page)
case goncurses.KEY_STAB: // set-tab key
case goncurses.KEY_CTAB: // clear-tab key
case goncurses.KEY_CATAB: // clear-all-tabs key
case goncurses.KEY_RETURN: // enter key vs. KEY_ENTER
fallthrough
case goncurses.KEY_ENTER: // enter/send key
line = cw.line
cw.line = ""
win.Erase()
win.Print(PROMPT)
case goncurses.KEY_PRINT: // print key
case goncurses.KEY_LL: // lower-left key (home down)
case goncurses.KEY_A1: // upper left of keypad
case goncurses.KEY_A3: // upper right of keypad
case goncurses.KEY_B2: // center of keypad
case goncurses.KEY_C1: // lower left of keypad
case goncurses.KEY_C3: // lower right of keypad
case goncurses.KEY_BTAB: // back-tab key
case goncurses.KEY_BEG: // begin key
case goncurses.KEY_CANCEL: // cancel key
case goncurses.KEY_CLOSE: // close key
case goncurses.KEY_COMMAND: // command key
case goncurses.KEY_COPY: // copy key
case goncurses.KEY_CREATE: // create key
case goncurses.KEY_END: // end key
case goncurses.KEY_EXIT: // exit key
case goncurses.KEY_FIND: // find key
case goncurses.KEY_HELP: // help key
case goncurses.KEY_MARK: // mark key
case goncurses.KEY_MESSAGE: // message key
case goncurses.KEY_MOVE: // move key
case goncurses.KEY_NEXT: // next key
case goncurses.KEY_OPEN: // open key
case goncurses.KEY_OPTIONS: // options key
case goncurses.KEY_PREVIOUS: // previous key
case goncurses.KEY_REDO: // redo key
case goncurses.KEY_REFERENCE: // reference key
case goncurses.KEY_REFRESH: // refresh key
case goncurses.KEY_REPLACE: // replace key
case goncurses.KEY_RESTART: // restart key
case goncurses.KEY_RESUME: // resume key
case goncurses.KEY_SAVE: // save key
case goncurses.KEY_SBEG: // shifted begin key
case goncurses.KEY_SCANCEL: // shifted cancel key
case goncurses.KEY_SCOMMAND: // shifted command key
case goncurses.KEY_SCOPY: // shifted copy key
case goncurses.KEY_SCREATE: // shifted create key
case goncurses.KEY_SDC: // shifted delete-character key
case goncurses.KEY_SDL: // shifted delete-line key
case goncurses.KEY_SELECT: // select key
case goncurses.KEY_SEND: // shifted end key
case goncurses.KEY_SEOL: // shifted clear-to-end-of-line key
case goncurses.KEY_SEXIT: // shifted exit key
case goncurses.KEY_SFIND: // shifted find key
case goncurses.KEY_SHELP: // shifted help key
case goncurses.KEY_SHOME: // shifted home key
case goncurses.KEY_SIC: // shifted insert-character key
case goncurses.KEY_SLEFT: // shifted left-arrow key
case goncurses.KEY_SMESSAGE: // shifted message key
case goncurses.KEY_SMOVE: // shifted move key
case goncurses.KEY_SNEXT: // shifted next key
case goncurses.KEY_SOPTIONS: // shifted options key
case goncurses.KEY_SPREVIOUS: // shifted previous key
case goncurses.KEY_SPRINT: // shifted print key
case goncurses.KEY_SREDO: // shifted redo key
case goncurses.KEY_SREPLACE: // shifted replace key
case goncurses.KEY_SRIGHT: // shifted right-arrow key
case goncurses.KEY_SRSUME: // shifted resume key
case goncurses.KEY_SSAVE: // shifted save key
case goncurses.KEY_SSUSPEND: // shifted suspend key
case goncurses.KEY_SUNDO: // shifted undo key
case goncurses.KEY_SUSPEND: // suspend key
case goncurses.KEY_UNDO: // undo key
case goncurses.KEY_MOUSE: // any mouse event
case goncurses.KEY_RESIZE: // Terminal resize event
//case goncurses.KEY_EVENT: // We were interrupted by an event
case goncurses.KEY_MAX:
default:
cw.line += goncurses.KeyString(k)
}
return
}