// Gets password from input
func getPass() string {
gc.Echo(false)
stdscr := gc.StdScr()
var returnString []byte
x := 0
var c gc.Char
var rawInput gc.Key
for {
rawInput = stdscr.GetChar()
c = gc.Char(rawInput)
if rawInput == gc.KEY_BACKSPACE || c == gc.Char(127) {
if x != 0 {
returnString = returnString[0 : len(returnString)-1]
x--
} else {
continue
}
} else if rawInput == gc.KEY_RETURN {
if x != 0 {
return string(returnString)
}
} else if c > 31 && c < 127 {
returnString = append(returnString, byte(c))
x++
} else {
continue
}
}
}
func (c *Circuit) display() {
stdscr, err := gc.Init()
if err != nil {
log.Println(err)
}
defer gc.End()
rows, cols := stdscr.MaxYX()
height, width := len(c.circuit)+1, len(c.circuit[0])+1
y, x := (rows-height)/2, (cols-width)/2
var win *gc.Window
win, err = gc.NewWindow(height, width, y, x)
if err != nil {
log.Println(err)
}
defer win.Delete()
win.Timeout(500)
for i := 0; i != height-1; i++ {
for j := 0; j != width-1; j++ {
if c.circuit[i][j] == "" {
continue
}
char := gc.Char([]rune(c.circuit[i][j])[0])
win.MoveAddChar(i, j, char)
}
}
main:
for {
for _, com := range c.Components {
com.Update()
}
for _, com := range c.Components {
cx, cy, _, _ := com.Space()
for coord, out := range com.Visual() {
char := gc.Char([]rune(*out)[0])
win.MoveAddChar(cx+coord.X, cy+coord.Y, char)
}
}
win.NoutRefresh()
gc.Update()
switch win.GetChar() {
case 'q':
break main
}
}
}
func InitNcurseUi() (ui *NcurseUi) {
ui = &NcurseUi{}
var err error
ui.contents, err = goncurses.Init()
HandleErr(err)
y, x := ui.contents.MaxYX()
ui.initColors()
ui.contents.Resize(y-1, x-MENU_WIDTH)
ui.contents.MoveWindow(1, MENU_WIDTH)
ui.contents.Keypad(true)
ui.titleBar, err = goncurses.NewWindow(1, x, 0, 0)
HandleErr(err)
ui.menuBar, err = goncurses.NewWindow(y-1, MENU_WIDTH, 1, 0)
HandleErr(err)
ui.menuBar.Border(' ', '|', ' ', ' ', ' ', '|', ' ', ' ')
ui.titleBar.ColorOn(10)
ui.titleBar.SetBackground(goncurses.Char('.') | goncurses.ColorPair(10))
return
}
//sets up the initial configuration of curses. Keeps code in main cleaner.
func configCurses(stdscr *gc.Window) {
if !gc.HasColors() {
log.Fatal("Example requires a colour capable terminal")
}
if err := gc.StartColor(); err != nil {
log.Fatal("Starting Colors failed:", err)
}
gc.Echo(false)
if err := gc.InitPair(1, gc.C_RED, gc.C_BLACK); err != nil {
log.Fatal("InitPair failed: ", err)
}
gc.InitPair(2, gc.C_BLUE, gc.C_BLACK)
gc.InitPair(3, gc.C_GREEN, gc.C_BLACK)
gc.InitPair(4, gc.C_YELLOW, gc.C_BLACK)
gc.InitPair(5, gc.C_CYAN, gc.C_BLACK)
gc.InitPair(6, gc.C_MAGENTA, gc.C_WHITE)
gc.InitPair(7, gc.C_MAGENTA, gc.C_BLACK)
//set background color to black
stdscr.SetBackground(gc.Char(' ') | gc.ColorPair(0))
stdscr.Keypad(true)
gc.Cursor(1)
gc.CBreak(true)
stdscr.Clear()
}
func main() {
stdscr, err := goncurses.Init()
if err != nil {
log.Fatal("init", err)
}
defer goncurses.End()
goncurses.Raw(true) // turn on raw "uncooked" input
goncurses.Echo(false) // turn echoing of typed characters off
goncurses.Cursor(0) // hide cursor
stdscr.Keypad(true) // allow keypad input
stdscr.Print("Press a key...")
stdscr.Refresh()
if ch := stdscr.GetChar(); ch == goncurses.KEY_F2 {
stdscr.Print("The F2 key was pressed.")
} else {
stdscr.Print("The key pressed is: ")
stdscr.AttrOn(goncurses.A_BOLD)
stdscr.AddChar(goncurses.Char(ch))
stdscr.AttrOff(goncurses.A_BOLD)
}
stdscr.Refresh()
stdscr.GetChar()
}
func main() {
scr, err := gc.Init()
if err != nil {
log.Fatal("init:", err)
}
defer gc.End()
gc.Echo(false)
scr.Println("Type characters to have them appear on the screen.")
scr.Println("Press 'q' to exit.")
scr.Println()
// Accept input concurrently via a goroutine and connect a channel
in := make(chan gc.Char)
ready := make(chan bool)
go func(w *gc.Window, ch chan<- gc.Char) {
for {
// Block until all write operations are complete
<-ready
// Send typed character down the channel (which is blocking
// in the main loop)
ch <- gc.Char(w.GetChar())
}
}(scr, in)
// Once a character has been received on the 'in' channel the
// 'ready' channel will block until it recieves another piece of data.
// This happens only once the received character has been written to
// the screen. The 'in' channel then blocks on the next loop until
// another 'true' is sent down the 'ready' channel signalling to the
// input goroutine that it's okay to receive input
for {
var c gc.Char
select {
case c = <-in: // blocks while waiting for input from goroutine
scr.Print(string(c))
scr.Refresh()
case ready <- true: // sends once above block completes
}
// Exit when 'q' is pressed
if c == gc.Char('q') {
break
}
}
}
func createWindow(h, w, y, x, bgColor int, borders bool) func() {
win, err := gc.NewWindow(h, w, y, x)
if err != nil {
log.Fatal(err)
}
if bgColor != 0 {
win.SetBackground(gc.Char(' ') | gc.ColorPair(int16(bgColor)))
}
if borders {
win.Box(gc.ACS_VLINE, gc.ACS_HLINE)
}
win.NoutRefresh()
return func() {
win.Erase()
win.SetBackground(gc.Char(' '))
win.NoutRefresh()
win.Delete()
}
}
// contact Menu Window Navigation input handler
func contactsWindowNavigation(contactsMenuWin *gc.Window, contactMenu *gc.Menu) int {
var c gc.Char
var rawInput gc.Key
for {
gc.Update()
rawInput = contactsMenuWin.GetChar()
c = gc.Char(rawInput)
if rawInput == gc.KEY_TAB || rawInput == gc.KEY_RETURN {
return 0
} else if c == gc.Char(27) {
return 1
} else if c == gc.Char('j') || rawInput == gc.KEY_DOWN {
contactMenu.Driver(gc.REQ_DOWN)
changeContact(contactsMenuWin, contactMenu)
} else if c == gc.Char('k') || rawInput == gc.KEY_UP {
contactMenu.Driver(gc.REQ_UP)
changeContact(contactsMenuWin, contactMenu)
} else if c == gc.Char('g') {
contactMenu.Driver(gc.REQ_FIRST)
changeContact(contactsMenuWin, contactMenu)
} else if c == gc.Char('G') {
contactMenu.Driver(gc.REQ_LAST)
changeContact(contactsMenuWin, contactMenu)
} else {
continue
}
}
}
func main() {
stdscr, err := gc.Init()
if err != nil {
log.Fatal("init:", err)
}
defer gc.End()
// HasColors can be used to determine whether the current terminal
// has the capability of using colours. You could then chose whether or
// not to use some other mechanism, like using A_REVERSE, instead
if !gc.HasColors() {
log.Fatal("Example requires a colour capable terminal")
}
// Must be called after Init but before using any colour related functions
if err := gc.StartColor(); err != nil {
log.Fatal(err)
}
gc.Echo(false)
// Initialize a colour pair. Should only fail if an improper pair value
// is given
if err := gc.InitPair(1, gc.C_RED, gc.C_WHITE); err != nil {
log.Fatal("InitPair failed: ", err)
}
gc.InitPair(2, gc.C_BLACK, gc.C_CYAN)
stdscr.Println("Type any key to proceed and again to exit")
// An example of trying to set an invalid color pair
err = gc.InitPair(-1, gc.C_BLACK, gc.C_CYAN)
stdscr.Println("An intentional error:", err)
stdscr.Keypad(true)
stdscr.MovePrint(12, 30, "Hello, World!!!")
stdscr.Refresh()
stdscr.GetChar()
// Note that background doesn't just accept colours but will fill
// any blank positions with the supplied character too. Note that newly
// added text with spaces in it will have the blanks converted to the fill
// character, if given
stdscr.SetBackground(gc.Char('*') | gc.ColorPair(2))
// ColorOn/Off is a shortcut to calling AttrOn/Off(gc.ColorPair(pair))
stdscr.ColorOn(1)
stdscr.MovePrint(13, 30, "Hello, World in Color!!!")
stdscr.ColorOff(1)
stdscr.Refresh()
stdscr.GetChar()
}
func GetMapper() func(rune) gc.Char {
var mapping = map[rune]gc.Char{
'|': gc.ACS_VLINE,
'-': gc.ACS_HLINE,
'<': gc.ACS_ULCORNER,
'>': gc.ACS_URCORNER,
'[': gc.ACS_LLCORNER,
']': gc.ACS_LRCORNER,
'X': gc.ACS_CKBOARD,
}
return func(r rune) gc.Char {
v, p := mapping[r]
if p {
return v
} else {
return gc.Char(r)
}
}
}
// handles keyboard input
func inputHandler(inputWin *gc.Window, stdscr *gc.Window, contactsMenuWin *gc.Window, contactMenu *gc.Menu, msgWin *gc.Window) {
var NLlocate = map[int]newLine{}
var c gc.Char
var rawInput gc.Key
max_y, max_x := inputWin.MaxYX()
for {
rawInput = inputWin.GetChar()
c = gc.Char(rawInput)
// debugLog.Println(rawInput)
// debugLog.Println(c)
//Escape to Quit
if c == gc.Char(27) {
break
} else if rawInput == gc.KEY_BACKSPACE || c == gc.Char(127) {
//Delete Key
y, x := inputWin.CursorYX()
var del = byte('F')
if x != 0 {
inputWin.MoveDelChar(y, x-1)
del = inputBuffer[placer]
copy(inputBuffer[placer:len(inputBuffer)-1], inputBuffer[placer+1:])
inputBuffer = inputBuffer[0 : len(inputBuffer)-1]
placer--
if del != byte('\n') && NLlocate[y+scroll]._cursorX > x {
temp := newLine{NLlocate[y+scroll]._cursorX - 1, NLlocate[y+scroll]._placer - 1}
NLlocate[y+scroll] = temp
}
//debugLog.Println(inputBuffer)
} else if y != 0 { //when x==0 and y!=0
inputWin.Move(y-1, max_x-1)
inputWin.MoveDelChar(y-1, max_x-1)
del = inputBuffer[placer]
copy(inputBuffer[placer:len(inputBuffer)-1], inputBuffer[placer+1:])
inputBuffer = inputBuffer[0 : len(inputBuffer)-1]
//debugLog.Println(inputBuffer)
placer--
}
if del == byte('\n') {
inputWin.Erase()
inputWin.Print(string(inputBuffer))
inputWin.Move(y-1, NLlocate[y-1+scroll]._cursorX)
temp, check := NLlocate[y+scroll]
var temp_cursor = temp._cursorX
var temp_placer = temp._placer
if check && NLlocate[y-1+scroll]._cursorX+temp_cursor >= max_x {
_newLine := newLine{NLlocate[y-1+scroll]._cursorX + temp_cursor - max_x, NLlocate[y+scroll]._placer - 1}
NLlocate[y+scroll] = _newLine
delete(NLlocate, y-1)
} else if check { // check if there are any '\n' this line
var largest = -1 // if yes, select all '\n' and move
for i := range NLlocate { // placer by 1 and adjust cursor
if i >= y+scroll { // accordingly
if next_nl, ok := NLlocate[i+1]; ok {
new_nl := newLine{next_nl._cursorX, next_nl._placer - 1}
NLlocate[i] = new_nl
}
}
if i > largest {
largest = i
}
}
delete(NLlocate, largest) // delete last map entry
_newLine := newLine{NLlocate[y-1+scroll]._cursorX + temp_cursor, NLlocate[y-1+scroll]._placer + temp_placer - 1}
NLlocate[y-1+scroll] = _newLine
} else {
delete(NLlocate, y-1+scroll)
}
}
} else if c == gc.KEY_PAGEDOWN {
//debugLog.Println("HIT DOWN")
msgWin.Scroll(-10)
msgWin.Refresh()
inputWin.Refresh()
} else if c == gc.KEY_PAGEUP {
//debugLog.Println("HIT UP")
msgWin.Scroll(10)
msgWin.Refresh()
inputWin.Refresh()
} else if c == gc.KEY_LEFT {
y, x := inputWin.CursorYX()
if x != 0 {
inputWin.Move(y, x-1)
placer--
} else if y != 0 {
inputWin.Move(y-1, max_x-1)
placer--
}
if len(inputBuffer) > 0 && inputBuffer[placer+1] == byte('\n') {
inputWin.Move(y-1, NLlocate[y-1+scroll]._cursorX)
}
} else if c == gc.KEY_RIGHT {
y, x := inputWin.CursorYX()
placer++
if inputBuffer == nil || placer == len(inputBuffer) {
inputBuffer = append(inputBuffer, byte(' '))
}
if inputBuffer[placer] == byte('\n') || x >= max_x-1 {
inputWin.Move(y+1, 0)
} else {
inputWin.Move(y, x+1)
}
} else if c == gc.KEY_UP {
y, x := inputWin.CursorYX()
if y == 0 && placer == 0 {
continue
} else if y == 0 && scroll > 0 {
inputWin.Move(0, x)
inputWin.Scroll(-1)
scroll -= 1
if NLlocate[y-2+scroll]._placer != 0 {
inputWin.Erase()
inputWin.Print(string(inputBuffer[(NLlocate[y-2+scroll]._placer):]))
} else if placer-max_x-x > 0 {
inputWin.Erase()
inputWin.Print(string(inputBuffer[(placer - x - max_x):]))
} else {
inputWin.Erase()
inputWin.Print(string(inputBuffer))
}
}
if y != 0 {
inputWin.Move(y-1, x)
placer -= max_x
if placer < 0 {
placer = 0
}
}
if NLlocate[y-1+scroll]._placer != 0 {
if NLlocate[y-1+scroll]._cursorX < x {
placer = NLlocate[y-1+scroll]._placer
inputWin.Move(y-1, NLlocate[y-1+scroll]._cursorX)
} else {
placer = NLlocate[y-1+scroll]._placer - (NLlocate[y-1+scroll]._cursorX - x)
}
}
} else if c == gc.KEY_DOWN {
y, x := inputWin.CursorYX()
if y != max_y {
inputWin.Move(y+1, x)
if NLlocate[y+scroll]._placer == 0 {
placer += max_x
} else {
placer = NLlocate[y+scroll]._placer + x + 1
}
} else if y == max_y {
inputWin.Scroll(1)
scroll += 1
inputWin.Move(max_y-1, x)
if NLlocate[y+scroll]._placer == 0 {
placer += max_x
} else {
placer = NLlocate[y+scroll]._placer + x + 1
}
}
if placer >= len(inputBuffer) {
for i := len(inputBuffer); i < placer+1; i++ {
inputBuffer = append(inputBuffer, byte(' '))
}
}
} else if rawInput == gc.KEY_TAB {
y, x := inputWin.CursorYX()
gc.Cursor(0)
escapeHandler := contactsWindowNavigation(contactsMenuWin, contactMenu)
if escapeHandler == 1 {
return
}
gc.Cursor(1)
inputWin.Move(y, x)
} else if rawInput == gc.KEY_RETURN {
placer = -1
for i := range NLlocate {
delete(NLlocate, i)
}
sendMsg(inputWin, globalMsgWin)
} else if rawInput == gc.KEY_SRIGHT {
y, x := inputWin.CursorYX()
if inputBuffer == nil || placer == len(inputBuffer)-1 {
if y == max_y-1 {
scroll++
}
inputWin.Print("\n")
temp := newLine{x, placer}
NLlocate[y+scroll] = temp
placer++
inputBuffer = append(inputBuffer, byte('\n'))
} else {
inputWin.Erase()
inputBuffer = append(inputBuffer, byte('\n'))
copy(inputBuffer[placer+1:], inputBuffer[placer:])
inputBuffer[placer+1] = byte('\n')
inputWin.Print(string(inputBuffer))
temp := newLine{x, placer}
placer++
nextholder, check := NLlocate[y+1+scroll]
if check {
for i := range NLlocate {
if i == y+scroll {
_newLine := newLine{NLlocate[i]._cursorX + 1 - x, NLlocate[i]._placer + 1}
nextholder := NLlocate[i+1]
_ = nextholder
NLlocate[i+1] = _newLine
} else if i > y {
temp := NLlocate[i+1]
NLlocate[i+1] = nextholder
nextholder = temp
}
}
}
NLlocate[y+scroll] = temp
inputWin.Move(y+1, 0)
}
} else if rawInput == gc.KEY_SLEFT {
} else {
y, x := inputWin.CursorYX()
if inputBuffer == nil || placer == len(inputBuffer)-1 {
inputWin.Print(string(c))
inputBuffer = append(inputBuffer, byte(c))
} else {
inputWin.Erase()
inputBuffer = append(inputBuffer, byte(c))
copy(inputBuffer[placer+1:], inputBuffer[placer:])
inputBuffer[placer+1] = byte(c)
inputWin.Print(string(inputBuffer))
for i := range NLlocate {
if i > y+scroll {
tempLine := newLine{NLlocate[i]._cursorX, NLlocate[i]._placer + 1}
NLlocate[i] = tempLine
}
}
if NLlocate[y+scroll]._cursorX >= x {
if NLlocate[y+scroll]._cursorX == max_x {
copy(inputBuffer[NLlocate[y+scroll]._placer:len(inputBuffer)-1], inputBuffer[NLlocate[y+scroll]._placer+1:])
inputBuffer = inputBuffer[0 : len(inputBuffer)-1]
delete(NLlocate, y)
} else {
temp := newLine{NLlocate[y+scroll]._cursorX + 1, NLlocate[y+scroll]._placer + 1}
NLlocate[y+scroll] = temp
}
}
}
placer++
inputWin.Move(y, x+1)
}
}
}