func main() {
s, err := gc.Init()
if err != nil {
log.Fatal("init:", err)
}
defer gc.End()
gc.Cursor(0)
s.Move(20, 0)
s.Print("Key check in ")
for i := 3; i >= 1; i-- {
s.MovePrint(20, 13, i)
s.Refresh()
time.Sleep(500 * time.Millisecond)
}
s.Println()
gc.Echo(false)
// task requirement next two lines
s.Timeout(0)
k := s.GetChar()
if k == 0 {
s.Println("No key pressed")
} else {
s.Println("You pressed", gc.KeyString(k))
}
s.Refresh()
s.Timeout(-1)
gc.FlushInput()
gc.Cursor(1)
s.GetChar()
}
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
}
func cli() {
var e error
scr, e = goncurses.Init()
if e != nil {
log.Fatal(e)
}
defer goncurses.End()
exit := false
pageNum := 0
p := NewPageCache()
for !exit {
scr.Refresh()
h, _ := scr.MaxYX()
scr.Clear()
height := h - BOTTOM_MARGIN
start := height * pageNum
end := start + height
for end > len(p.Articles) {
p.GetNext()
}
for i, ar := range p.Articles[start:end] {
scr.Printf("%d. (%d): %s\n", start+i+1, ar.Karma, ar.Title)
}
scr.Print("\n(n: next, p: previous, <num>c: view comments, <num>o: open in browser, q: quit) ")
scr.Refresh()
doneWithInput := false
input := ""
for !doneWithInput {
c := scr.GetChar()
if c == 127 {
c = goncurses.Key(goncurses.KEY_BACKSPACE)
}
ch := goncurses.KeyString(c)
switch ch {
case "c":
if num, err := strconv.Atoi(input); err == nil {
if num < 1 {
doneWithInput = true
break
}
for num-1 > len(p.Articles) {
p.GetNext()
}
text := p.Articles[num-1].PrintComments()
line := 0
cont := true
for cont {
scr.Clear()
scr.Print(pagify(text, line))
scr.Print("\n\n(d/u scroll 30 lines; j/k: scroll 1 line; n/p scroll 1 page; q: quit)")
scr.Refresh()
a := scr.GetChar()
switch goncurses.KeyString(a) {
case "d":
line += 30
break
case "u":
line -= 30
break
case "j":
line += 1
break
case "k":
line -= 1
break
case "n":
line += h
break
case "p":
line -= h
break
case "q":
cont = false
break
default:
scr.DelChar()
scr.DelChar()
break
}
// Verify lines are not negative. Bad mojo
if line < 0 {
line = 0
}
}
doneWithInput = true
} else {
scr.Clear()
scr.Print("\n\nPlease enter a number to select a comment\n\n")
scr.Refresh()
scr.GetChar()
doneWithInput = true
}
case "o":
if num, err := strconv.Atoi(input); err == nil {
for num-1 > len(p.Articles) {
p.GetNext()
}
viewInBrowser := exec.Command("xdg-open", p.Articles[num-1].Url)
viewInBrowser.Start()
doneWithInput = true
} else {
scr.Clear()
scr.Print("\n\nPlease enter a number to view an article\n\n")
scr.Refresh()
doneWithInput = true
}
case "q":
doneWithInput = true
exit = true
case "n":
pageNum += 1
doneWithInput = true
case "p":
if pageNum > 0 {
pageNum -= 1
}
doneWithInput = true
case "enter":
continue
case "backspace":
//Not the prettiest but whatever
cy, cx := scr.CursorYX()
if len(input) > 0 {
input = input[:len(input)-1]
scr.MoveDelChar(cy, cx-3)
scr.DelChar()
scr.DelChar()
} else {
scr.MoveDelChar(cy, cx-2)
scr.DelChar()
scr.DelChar()
}
default:
input += ch
break
}
}
}
}