func loop(x, y int) {
quit := false
for {
curses.Stdwin.Addstr(0, 0, "Hello,\nworld!", 0)
curses.Stdwin.Addstr(3, 0, "use the cursor keys to move around", 0)
curses.Stdwin.Addstr(4, 0, "press the 'q' key to quit", 0)
inp := curses.Stdwin.Getch()
quit = false
switch inp {
case 'q':
quit = true
case curses.KEY_LEFT:
x = x - 1
case curses.KEY_RIGHT:
x = x + 1
case curses.KEY_UP:
y = y - 1
case curses.KEY_DOWN:
y = y + 1
}
if quit {
break
}
curses.Stdwin.Clear()
curses.Stdwin.Mvaddch(y, x, '@', curses.Color_pair(1))
curses.Stdwin.Refresh()
}
}
func main() {
startGoCurses()
defer stopGoCurses()
curses.Init_pair(1, curses.COLOR_YELLOW, curses.COLOR_GREEN)
smallwin, _ := curses.Stdwin.Derwin(1, 10, 10, 10)
smallwin.Attron(curses.Color_pair(1))
smallwin.Attron(curses.A_BOLD)
smallwin.Addstr(0, 0, "Hello here", 0)
smallwin.Getch()
curses.Stdwin.Clear()
curses.Stdwin.Refresh()
smallwin.Resize(1, 5)
smallwin.Mvwin(20, 20)
smallwin.Addstr(0, 0, "There", 0)
smallwin.Getch()
}
func draw(d *Dvi) os.Error {
f := d.b
if f == nil {
return nil
}
// this is some slow ass scroll action, ill figure out a way to avoid this later
for l := f.first; l != f.disp && l != nil; l = l.next {
if l == f.pos.line {
for l != f.disp {
f.disp = f.disp.prev
}
break
}
}
for i, l := 0, f.disp; l != nil; i, l = i+screenlines(l), l.next {
if l == f.pos.line {
for i+screenlines(l) > *curses.Rows-1 {
f.disp = f.disp.next
i -= screenlines(l)
}
break
}
}
cursory := 0
cursorx := 0
y := 0
for l := f.disp; y < *curses.Rows-1 && l != nil; y, l = y+1, l.next {
x := 0
d.w.Move(y, 0)
d.w.Clrtoeol()
if l == f.pos.line {
cursory = y
for i, c := range l.text {
if i >= f.pos.off {
break
}
cursorx += charlen(c)
if cursorx > *curses.Cols-1 {
cursory++
cursorx = 0
}
}
}
x = 0
colors := int32(0)
if f.pos.line == l {
colors = curses.Color_pair(1)
}
for _, c := range l.text {
if x > *curses.Cols-1 {
y++
x = 0
d.w.Move(y, 0)
d.w.Clrtoeol()
}
for i := x; i < x+charlen(c); i++ {
d.w.Mvaddch(y, i, int32(c), colors)
}
x += charlen(c)
}
if colors != 0 {
for ; x < *curses.Cols; x++ {
d.w.Mvaddch(y, x, int32(' '), colors)
}
}
}
for ; y < *curses.Rows-1; y++ {
d.w.Move(y, 0)
d.w.Clrtoeol()
d.w.Mvaddch(y, 0, int32('~'), 0)
}
d.currx = cursorx
d.curry = cursory
msg := ""
mcolor := 3
beep := false
select {
case fromq := <-d.statusq:
msg = fromq.Display()
mcolor = fromq.Color()
beep = fromq.Beep()
default:
msg, mcolor, beep = d.statusDisplay()
}
d.w.Move(*curses.Rows-1, 0)
d.w.Clrtoeol()
for i := 0; i < *curses.Cols && i < len(msg); i++ {
d.w.Mvaddch(*curses.Rows-1, i, int32(msg[i]), curses.Color_pair(mcolor))
}
// s.w.Mvwaddnstr(*curses.Rows-1, 0, msg, *curses.Cols)
d.w.Move(cursory, cursorx)
if beep {
curses.Beep()
}
d.w.Refresh()
return nil
}