func main() { defineFlags() if SHOW_VERSION { fmt.Println("kvmtop version " + VERSION) return } if !OUT_BATCH { screenx, err := goncurses.Init() if err != nil { log.Fatal("init", err) } screen = screenx defer goncurses.End() } initialize() for n := -1; RUNCOUNT == -1 || n < RUNCOUNT; n++ { start := time.Now() measureVirtualMachines(n) nextRun := start.Add(time.Duration(FREQUENCY) * time.Second) updateVirtualMachineLists() time.Sleep(nextRun.Sub(time.Now())) } }
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() { stdscr, err := gc.Init() if err != nil { log.Fatal("init:", err) } defer gc.End() msg := "Enter a string: " row, col := stdscr.MaxYX() row, col = (row/2)-1, (col-len(msg))/2 stdscr.MovePrint(row, col, msg) /* GetString will only retieve the specified number of characters. Any attempts by the user to enter more characters will elicit an audiable beep */ var str string str, err = stdscr.GetString(10) if err != nil { stdscr.MovePrint(row+1, col, "GetString Error:", err) } else { stdscr.MovePrintf(row+1, col, "You entered: %s", str) } stdscr.Refresh() stdscr.GetChar() }
func main() { _, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() // create a new pad of 50 rows and 200 columns... var pad *gc.Pad pad, err = gc.NewPad(50, 200) if err != nil { log.Fatal(err) } // ...and fill it with some characters for x := 0; x < 50; x++ { pad.MovePrint(x, x, "This is a pad.") } // Refresh the pad to show only a portion of the pad. Understanding // what these coordinates mean can be a bit tricky. The first two // coordinates are the position in the pad, in this case 0,5 (remember // the coordinates in ncurses are y,x). The second set of numbers are the // coordinates on the screen on which to display the content, so row 5, // column 10. The last set of numbers tell how high and how wide the // rectangle to displayed should be, in this case 15 rows long and 25 // columns wide. pad.Refresh(0, 5, 5, 10, 15, 25) pad.GetChar() }
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 }
func main() { // Initialize goncurses. It's essential End() is called to ensure the // terminal isn't altered after the program ends stdscr, err := goncurses.Init() if err != nil { log.Fatal("init", err) } defer goncurses.End() // (Go)ncurses draws by cursor position and uses reverse cartisian // coordinate system (y,x). Initially, the cursor is positioned at the // coordinates 0,0 so the first call to Print will output the text at the // top, left position of the screen since stdscr is a window which // represents the terminal's screen size. stdscr.Print("Hello, World!") stdscr.MovePrint(3, 0, "Press any key to continue") // Refresh() flushes output to the screen. Internally, it is the same as // calling NoutRefresh() on the window followed by a call to Update() stdscr.Refresh() // GetChar will block execution until an input event, like typing a // character on your keyboard, is received stdscr.GetChar() }
func initStdscr() { var err error stdscr, err = gc.Init() if err != nil { log.Fatal("init:", err) } stdscr.NoutRefresh() }
func main() { stdscr, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() gc.Echo(false) gc.CBreak(true) gc.Cursor(0) var panels [2]fp.FilePanel rows, cols := stdscr.MaxYX() height, width := rows, cols/2 y, x := 0, 0 activePanel := 0 panels[0] = fp.FilePanel{Height: height, Width: width, Y: y, X: x, Directory: "./", Selected: 0, IsActive: true} panels[1] = fp.FilePanel{Height: height, Width: width, Y: y, X: x + width, Directory: "/home/kuzzmi/", Selected: 2, IsActive: false} panels[0].Draw() panels[1].Draw() gc.UpdatePanels() gc.Update() stdscr.Keypad(true) // stdscr.GetChar() main: for { switch panels[activePanel].Panel.Window().GetChar() { case 'q': break main case gc.KEY_RETURN: panels[activePanel].Execute() case gc.KEY_TAB: panels[0].ToggleActivity() panels[1].ToggleActivity() gc.UpdatePanels() gc.Update() if activePanel == 0 { activePanel = 1 } else { activePanel = 0 } case 'u': panels[activePanel].GoUp() case 'k': panels[activePanel].Select(panels[activePanel].Selected - 1) case 'j': panels[activePanel].Select(panels[activePanel].Selected + 1) case 'i': panels[activePanel].HideHidden() } } stdscr.Delete() }
// creates a curses based TUI for the textsecure library func main() { stdscr, err := gc.Init() if err != nil { log.Fatal("Error initializing curses:", err) } defer gc.End() configCurses(stdscr) client := &ts.Client{ GetConfig: getConfig, GetLocalContacts: getLocalContacts, GetVerificationCode: getVerificationCode, GetStoragePassword: passphraseUnlock, MessageHandler: recieveMessage, RegistrationDone: registrationDone, } err = ts.Setup(client) if err != nil { log.Fatal("Could not initialize textsecure library", err) } db = setupDatabase() contacts, err := ts.GetRegisteredContacts() if err != nil { log.Fatal("Could not get contacts: %s\n", err) } telToName = make(map[string]string) for _, c := range contacts { telToName[c.Tel] = c.Name } nameToTel = make(map[string]string) for _, c := range contacts { nameToTel[c.Name] = c.Tel } contactsWin, messageWinBorder, msgWin, inputBorderWin, inputWin := createMainWindows(stdscr) menu_items, contactMenu, contactsMenuWin := makeContactsMenu(contacts, contactsWin) globalInputWin = inputWin globalMsgWin = msgWin contactsMenuWin.Touch() contactMenu.Post() contactsWin.Refresh() messageWinBorder.Refresh() inputBorderWin.Refresh() msgWin.Refresh() msgWinSize_y, msgWinSize_x = msgWin.MaxYX() currentContact = getTel(contactMenu.Current(nil).Name()) changeContact(contactsMenuWin, contactMenu) inputWin.Move(0, 0) go ts.StartListening() inputHandler(inputWin, stdscr, contactsMenuWin, contactMenu, msgWin) cleanup(menu_items, contactMenu) }
func main() { stdscr, err := gc.Init() if err != nil { return } defer gc.End() stdscr.Border(gc.ACS_VLINE, gc.ACS_VLINE, gc.ACS_HLINE, gc.ACS_HLINE, gc.ACS_ULCORNER, gc.ACS_URCORNER, gc.ACS_LLCORNER, gc.ACS_LRCORNER) stdscr.GetChar() }
func (cw *chatWin) dialog(messages chan message) { stdscr, err := goncurses.Init() if err != nil { log.Fatal("init:", err) } defer goncurses.End() goncurses.Raw(false) stdscr.ScrollOk(true) rows, cols := stdscr.MaxYX() chats, err := goncurses.NewWindow(rows-MESSAGE_WIN_SIZE, cols, 0, 0) if err != nil { log.Fatal("Error setting up chat window") } chats.ScrollOk(true) chats.Box(goncurses.ACS_VLINE, goncurses.ACS_HLINE) chats.Refresh() messageWin, err := goncurses.NewWindow(MESSAGE_WIN_SIZE, cols, rows-MESSAGE_WIN_SIZE, 0) if err != nil { log.Fatal("Error setting up chat window") } cw.msgRows, cw.msgCols = messageWin.MaxYX() // allow special characters to come through (e.g. arrow keys) messageWin.Keypad(true) // sets terminal to non-blocking // this also seems to print characters as they're typed, which causes some weird workarounds goncurses.HalfDelay(1) messageWin.Print(PROMPT) for { select { case msg := <-messages: y, _ := chats.CursorYX() chats.MovePrint(y+1, 1, fmt.Sprintf("%s: %s", msg.From, msg.Message)) chats.Refresh() messageWin.Refresh() default: line := cw.handleInput(messageWin) if line != "" { log.Println("Entered message:", line) msg := message{From: cw.username, Message: line} // TODO: uncomment once turnpike is fixed to not send events to the sender // y, _ := chats.CursorYX() // chats.MovePrint(y+1, 1, fmt.Sprintf("%s: %s", msg.From, msg.Message)) // chats.Refresh() cw.msgs <- msg } } } }
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 main() { stdscr, _ := gc.Init() defer gc.End() gc.StartColor() gc.CBreak(true) gc.Echo(true) stdscr.Keypad(true) stdscr.Print("Hit 'tab' to cycle through windows, 'q' to quit") gc.InitPair(1, gc.C_RED, gc.C_BLACK) gc.InitPair(2, gc.C_GREEN, gc.C_BLACK) gc.InitPair(3, gc.C_BLUE, gc.C_BLACK) gc.InitPair(4, gc.C_CYAN, gc.C_BLACK) var panels [3]*gc.Panel y, x := 4, 10 for i := 0; i < 3; i++ { h, w := 10, 40 title := "Window Number %d" window, _ := gc.NewWindow(h, w, y+(i*4), x+(i*10)) window.Box(0, 0) window.MoveAddChar(2, 0, gc.ACS_LTEE) window.HLine(2, 1, gc.ACS_HLINE, w-2) window.MoveAddChar(2, w-1, gc.ACS_RTEE) window.ColorOn(int16(i + 1)) window.MovePrintf(1, (w/2)-(len(title)/2), title, i+1) window.ColorOff(int16(i + 1)) panels[i] = gc.NewPanel(window) } active := 2 for { gc.UpdatePanels() gc.Update() switch stdscr.GetChar() { case 'q': return case gc.KEY_TAB: active += 1 if active > 2 { active = 0 } panels[active].Top() } } }
func GetXY() (int, int) { win, err := nc.Init() if err != nil { log.Fatal(err) os.Exit(1) } win.Clear() h, w := win.MaxYX() nc.End() fmt.Printf("screen: %d x %d\n", w, h) return w, h }
func ExampleInit() { // You should always test to make sure ncurses has initialized properly. // In order for your error messages to be visible on the terminal you will // need to either log error messages or output them to to stderr. stdscr, err := goncurses.Init() if err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(1) } defer goncurses.End() stdscr.Print("Press enter to continue...") stdscr.Refresh() }
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 main() { stdscr, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() gc.Cursor(0) gc.Echo(false) stdscr.Print("A reversed plus-minus symbol: ") stdscr.AddChar(gc.ACS_PLMINUS | gc.A_REVERSE) stdscr.Refresh() stdscr.GetChar() }
func NewCursesView() (i view.Interface, err error) { v := new(CursesView) if v.win, err = cur.Init(); err != nil { return } cur.Echo(false) cur.Cursor(0) if err = v.initCursesColors(); err != nil { return } i = v return }
func main() { stdscr, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() gc.StartColor() gc.Echo(false) gc.Raw(true) var colours = []int16{gc.C_BLACK, gc.C_BLUE, gc.C_CYAN, gc.C_GREEN, gc.C_MAGENTA, gc.C_RED, gc.C_WHITE, gc.C_YELLOW} var attributes = []struct { attr gc.Char text string }{ {gc.A_NORMAL, "normal"}, {gc.A_STANDOUT, "standout"}, {gc.A_UNDERLINE | gc.A_BOLD, "underline"}, {gc.A_REVERSE, "reverse"}, {gc.A_BLINK, "blink"}, {gc.A_DIM, "dim"}, {gc.A_BOLD, "bold"}, } stdscr.MovePrint(0, 0, "Normal terminal colors: ") for i, c := range colours { gc.InitPair(int16(i), c, c) stdscr.ColorOn(int16(i)) stdscr.AddChar(' ') stdscr.ColorOff(int16(i)) } stdscr.MovePrint(1, 0, "Bold terminal colors: ") stdscr.AttrOn(gc.A_BLINK) for i, _ := range colours { stdscr.ColorOn(int16(i)) stdscr.AddChar(' ') stdscr.ColorOff(int16(i)) } stdscr.AttrOff(gc.A_BLINK) stdscr.Move(2, 0) for _, a := range attributes { stdscr.AttrOn(a.attr) stdscr.Println(a.text) stdscr.AttrOff(a.attr) } stdscr.GetChar() }
func main() { stdscr, _ := gc.Init() defer gc.End() row, col := stdscr.MaxYX() msg := "Just a string " stdscr.MovePrint(row/2, (col-len(msg))/2, msg) stdscr.MovePrintf(row-3, 0, "This screen has %d rows and %d columns. ", row, col) stdscr.Println() stdscr.Print("Try resizing your terminal window and then " + "run this program again.") stdscr.Refresh() stdscr.GetChar() }
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 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 InitNC(killchan chan<- os.Signal) { var err error winMutex.Lock() win, err = nc.Init() if err != nil { log.Fatal(err) os.Exit(1) } win.Timeout(1) winMutex.Unlock() go func() { select { case <-ncquit: log.Println("Exiting NC") killchan <- os.Kill } }() }
func main() { stdscr, _ := gc.Init() defer gc.End() var panels [3]*gc.Panel y, x := 2, 4 for i := 0; i < 3; i++ { window, _ := gc.NewWindow(10, 40, y+i, x+(i*5)) window.Box(0, 0) panels[i] = gc.NewPanel(window) } gc.UpdatePanels() gc.Update() stdscr.GetChar() }
func main() { gc.SlkInit(gc.SLK_323) scr, err := gc.Init() if err != nil { log.Fatal("INIT:", err) } defer gc.End() gc.StartColor() gc.InitPair(SOFTKEYS, gc.C_YELLOW, gc.C_BLUE) scr.Print("Type any key to exit...") labels := [...]string{"ONE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN", "EIGHT"} for i := range labels { gc.SlkSet(i+1, labels[i], gc.SLK_CENTER) } gc.SlkColor(SOFTKEYS) gc.SlkNoutRefresh() scr.Refresh() scr.GetChar() }
//Returns an instance of the CLI. Call once func GetCli() hncli { if !singleDone { hc = hncli{} root, e := goncurses.Init() if e != nil { goncurses.End() log.Fatal(e) } h, w := root.MaxYX() hc.root = root hc.main = root.Sub(h-MENU_HEIGHT, w, 0, 0) hc.help = root.Sub(MENU_HEIGHT, w, h-MENU_HEIGHT, 0) hc.Height = h - MENU_HEIGHT singleDone = true } return hc }
func main() { stdscr, _ := gc.Init() defer gc.End() gc.StartColor() gc.Raw(true) gc.Echo(false) gc.Cursor(0) stdscr.Keypad(true) // build the menu items menu_items := []string{ "Choice 1", "Choice 2", "Choice 3", "Choice 4", "Choice 5", "Choice 6", "Choice 7", "Exit"} items := make([]*gc.MenuItem, len(menu_items)) for i, val := range menu_items { items[i], _ = gc.NewItem(val, "") defer items[i].Free() } // create the menu menu, _ := gc.NewMenu(items) defer menu.Free() menu.Option(gc.O_ONEVALUE, false) y, _ := stdscr.MaxYX() stdscr.MovePrint(y-3, 0, "Use up/down arrows to move, spacebar to "+ "toggle and enter to print. 'q' to exit") stdscr.Refresh() menu.Post() defer menu.UnPost() for { gc.Update() ch := stdscr.GetChar() switch ch { case 'q': return case ' ': menu.Driver(gc.REQ_TOGGLE) case gc.KEY_RETURN, gc.KEY_ENTER: var list string for _, item := range menu.Items() { if item.Value() { list += "\"" + item.Name() + "\" " } } stdscr.Move(20, 0) stdscr.ClearToEOL() stdscr.MovePrint(20, 0, list) stdscr.Refresh() default: menu.Driver(gc.DriverActions[ch]) } } }
func main() { stdscr, err := gc.Init() if err != nil { log.Fatal("init:", err) } defer gc.End() gc.StartColor() gc.Raw(true) gc.Echo(false) gc.Cursor(0) stdscr.Keypad(true) gc.InitPair(1, gc.C_RED, gc.C_BLACK) gc.InitPair(2, gc.C_GREEN, gc.C_BLACK) gc.InitPair(3, gc.C_MAGENTA, gc.C_BLACK) // build the menu items menu_items := []string{ "Choice 1", "Choice 2", "Choice 3", "Choice 4", "Choice 5", "Exit"} items := make([]*gc.MenuItem, len(menu_items)) for i, val := range menu_items { items[i], _ = gc.NewItem(val, "") defer items[i].Free() if i == 2 || i == 4 { items[i].Selectable(false) } } // create the menu menu, _ := gc.NewMenu(items) defer menu.Free() y, _ := stdscr.MaxYX() stdscr.MovePrint(y-3, 0, "Use up/down arrows to move; 'q' to exit") stdscr.Refresh() menu.SetForeground(gc.ColorPair(1) | gc.A_REVERSE) menu.SetBackground(gc.ColorPair(2) | gc.A_BOLD) menu.Grey(gc.ColorPair(3) | gc.A_BOLD) menu.Post() defer menu.UnPost() for { gc.Update() ch := stdscr.GetChar() switch ch { case ' ': menu.Driver(gc.REQ_TOGGLE) case 'q': return case gc.KEY_RETURN: stdscr.Move(20, 0) stdscr.ClearToEOL() stdscr.Printf("Item selected is: %s", menu.Current(nil).Name()) menu.PositionCursor() default: menu.Driver(gc.DriverActions[ch]) } } }
func main() { f, err := os.Create("err.log") if err != nil { log.Fatal(err) } defer f.Close() log.SetOutput(f) var stdscr *gc.Window stdscr, err = gc.Init() if err != nil { log.Println("Init:", err) } defer gc.End() rand.Seed(time.Now().Unix()) gc.StartColor() gc.Cursor(0) gc.Echo(false) gc.HalfDelay(1) gc.InitPair(1, gc.C_WHITE, gc.C_BLACK) gc.InitPair(2, gc.C_YELLOW, gc.C_BLACK) gc.InitPair(3, gc.C_MAGENTA, gc.C_BLACK) gc.InitPair(4, gc.C_RED, gc.C_BLACK) gc.InitPair(5, gc.C_BLUE, gc.C_BLACK) gc.InitPair(6, gc.C_GREEN, gc.C_BLACK) lines, cols := stdscr.MaxYX() pl, pc := lines, cols*3 ship := newShip(lines/2, 5) objects = append(objects, ship) field := genStarfield(pl, pc) text := stdscr.Duplicate() c := time.NewTicker(time.Second / 2) c2 := time.NewTicker(time.Second / 16) px := 0 loop: for { text.MovePrintf(0, 0, "Life: [%-5s]", lifeToText(ship.life)) stdscr.Erase() stdscr.Copy(field.Window, 0, px, 0, 0, lines-1, cols-1, true) drawObjects(stdscr) stdscr.Overlay(text) stdscr.Refresh() select { case <-c.C: spawnAsteroid(stdscr.MaxYX()) if px+cols >= pc { break loop } px++ case <-c2.C: updateObjects(stdscr.MaxYX()) drawObjects(stdscr) default: if !handleInput(stdscr, ship) || ship.Expired(-1, -1) { break loop } } } msg := "Game Over" end, err := gc.NewWindow(5, len(msg)+4, (lines/2)-2, (cols-len(msg))/2) if err != nil { log.Fatal("game over:", err) } end.MovePrint(2, 2, msg) end.Box(gc.ACS_VLINE, gc.ACS_HLINE) end.Refresh() gc.Nap(2000) }
func windw() { stdscr, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() // Turn off character echo, hide the cursor and disable input buffering gc.Echo(false) gc.CBreak(true) gc.Cursor(0) stdscr.Print("Use arrow keys to move the window. Press 'q' to exit") stdscr.NoutRefresh() // Determine the center of the screen and offset those coordinates by // half of the window size we are about to create. These coordinates will // be used to move our window around the screen rows, cols := stdscr.MaxYX() height, width := 20, 40 y, x := (rows-height)/2, (cols-width)/2 // Create a new window centered on the screen and enable the use of the // keypad on it so the arrow keys are available var win *gc.Window win, err = gc.NewWindow(height, width, y, x) if err != nil { log.Fatal(err) } win.Keypad(true) windw: for { // Clear the section of screen where the box is currently located so // that it is blanked by calling Erase on the window and refreshing it // so that the chances are sent to the virtual screen but not actually // output to the terminal win.Erase() win.NoutRefresh() // Move the window to it's new location (if any) and redraw it win.MoveWindow(y, x) win.Box(gc.ACS_VLINE, gc.ACS_HLINE) win.NoutRefresh() // Update will flush only the characters which have changed between the // physical screen and the virtual screen, minimizing the number of // characters which must be sent gc.Update() // In order for the window to display correctly, we must call GetChar() // on it rather than stdscr switch win.GetChar() { case 'q': break windw case 'h': if x > 0 { x-- } case 'l': if x < cols-width { x++ } case 'k': if y > 1 { y-- } case 'j': if y < rows-height { y++ } } } win.Delete() }