func initializeNcurses() (stdscr *gc.Window, colors *colorsDefined, resetScreen resetScreenFn) {
stdscr, err := gc.Init()
if err != nil {
log.Fatal(err)
}
defer gc.End()
resetScreen = func() {
gc.End()
}
// Turn off character echo, hide the cursor and disable input buffering
gc.Echo(false)
gc.CBreak(true)
gc.StartColor()
// initialize colors
whiteOnBlack := int16(1)
gc.InitPair(whiteOnBlack, gc.C_WHITE, gc.C_BLACK)
greenOnBlack := int16(2)
gc.InitPair(greenOnBlack, gc.C_GREEN, gc.C_BLACK)
redOnBlack := int16(3)
gc.InitPair(redOnBlack, gc.C_RED, gc.C_BLACK)
// Set the cursor visibility.
// Options are: 0 (invisible/hidden), 1 (normal) and 2 (extra-visible)
gc.Cursor(0)
colors = &colorsDefined{whiteOnBlack, greenOnBlack, redOnBlack}
return
}
func (command *Command) init_colors() {
command.prompt_color = 10
err := goncurses.InitPair(command.prompt_color, goncurses.C_MAGENTA, goncurses.C_BLACK)
if err != nil {
panic(err)
}
command.error_color = 11
err = goncurses.InitPair(command.error_color, goncurses.C_RED, goncurses.C_BLACK)
if err != nil {
panic(err)
}
}
func (list *List) init_colors() {
list.header_color = 20
err := goncurses.InitPair(list.header_color, goncurses.C_MAGENTA, goncurses.C_BLACK)
if err != nil {
panic(err)
}
}
func (list *List) init_colors() {
list.header_color = 20
err := goncurses.InitPair(list.header_color, goncurses.C_MAGENTA, goncurses.C_BLACK)
if err != nil {
panic(err)
}
list.error_color = 21
err = goncurses.InitPair(list.error_color, goncurses.C_RED, goncurses.C_BLACK)
if err != nil {
panic(err)
}
list.selection_color = 22
err = goncurses.InitPair(list.selection_color, goncurses.C_BLACK, goncurses.C_WHITE)
if err != nil {
panic(err)
}
}
func main() {
s, err := gc.Init()
if err != nil {
log.Fatal("init:", err)
}
defer gc.End()
// determine color support
if !gc.HasColors() {
log.Fatal("no color support")
}
// set background color
gc.StartColor()
gc.InitPair(1, gc.C_WHITE, gc.C_BLUE)
s.ColorOn(1)
s.SetBackground(gc.Char(' ') | gc.ColorPair(1))
// blinking, different background color
s.AttrOn(gc.A_BLINK)
gc.InitPair(2, gc.C_WHITE, gc.C_RED)
s.ColorOn(2)
s.Print(" Blinking Red ")
s.GetChar()
}
func main() {
s, err := gc.Init()
if err != nil {
log.Fatal("init:", err)
}
defer gc.End()
gc.StartColor()
const (
red = 1
green = 2
blue = 3
)
gc.InitPair(red, gc.C_RED, gc.C_BLACK)
gc.InitPair(green, gc.C_GREEN, gc.C_BLACK)
gc.InitPair(blue, gc.C_BLUE, gc.C_BLACK)
s.ColorOn(red)
s.Println("Red")
s.ColorOn(green)
s.Println("Green")
s.ColorOn(blue)
s.Println("Blue")
s.GetChar()
}
func main() {
scr, _ := gc.Init()
defer gc.End()
rows, cols := scr.Maxyx()
gc.InitPair(ChatAreaColor, gc.C_WHITE, gc.C_BLACK)
gc.InitPair(InputAreaColor, gc.C_BLACK, gc.C_WHITE)
chatArea := scr.Derived(rows-1, cols, 0, 0)
chatArea.SetBackground(gc.Character(' ' | gc.ColorPair(ChatAreaColor)))
inputArea := scr.Derived(1, cols, rows-1, 0)
chatArea.SetBackground(gc.Character(' ' | gc.ColorPair(InputAreaColor)))
chat := make(chan string)
go func() {
for msg := range chat {
msg = fmt.Sprintf("%v| %v", time.Now().Format("15:04:05"), msg)
chatArea.Scroll(1)
chatArea.MovePrint(rows-2, 0, msg)
chatArea.Refresh()
}
}()
defer close(chat)
userInputChan := make(chan string)
go func() {
for msg := range userInputChan {
if len(msg) > 0 && msg[0] == '/' {
chat <- fmt.Sprintf("Command: %s", msg[1:])
} else {
chat <- msg
}
}
}()
defer close(userInputChan)
gc.Echo(false)
gc.CBreak(true)
gc.Raw(true)
chatArea.ScrollOk(true)
scr.Keypad(true)
chat <- "Welcome to snails shitty chat thing."
chat <- "Press esc to quit, it may or may not break stuff. "
chat <- "If it does, do a 'reset' to fix it."
buffer := ""
for {
chatArea.Refresh()
key := inputArea.GetChar()
switch key {
case gc.Key(27):
return
case gc.KEY_RETURN:
userInputChan <- buffer
buffer = ""
chatArea.Refresh()
case gc.Key(127): //backspace
l := len(buffer)
if l > 0 {
buffer = buffer[:l-1]
}
default:
buffer = fmt.Sprintf("%s%c", buffer, key)
}
inputArea.Clear()
inputArea.MovePrint(0, 0, buffer)
}
}