func spawnAsteroid(my, mx int) { var y, x, sy, sx int switch rand.Intn(4) { case 0: y, x = 1, rand.Intn(mx-2)+1 sy, sx = speeds[5:][rand.Intn(4)], speeds[rand.Intn(9)] case 1: y, x = rand.Intn(my-2)+1, 1 sy, sx = speeds[rand.Intn(9)], speeds[5:][rand.Intn(4)] case 2: y, x = rand.Intn(my-2)+1, mx-2 sy, sx = speeds[rand.Intn(9)], speeds[rand.Intn(4)] case 3: y, x = my-2, rand.Intn(mx-2)+1 sy, sx = speeds[rand.Intn(4)], speeds[rand.Intn(9)] } w, err := gc.NewWindow(1, 1, y, x) if err != nil { log.Println("spawnAsteroid:", err) } a := &Asteroid{Window: w, alive: true, sy: sy, sx: sx, y: y * 100, x: x * 100} a.ColorOn(2) a.Print("@") objects = append(objects, a) }
func (win Interface) createTempWindow(text string, writeable bool, h int, w int) *gc.Panel { // gc.Raw(false) // gc.Echo(true) // gc.Cursor(1) _, cols := win.files.Window().MaxYX() input, _ := gc.NewWindow(11, cols, 19, 0) input.Box(0, 0) panel := gc.NewPanel(input) panel.Top() if len(text) > 0 { input.MovePrint(1, 1, text) } if writeable { gc.Raw(false) gc.Echo(true) gc.Cursor(1) _, err := input.GetString(10) if err != nil { println("Input error") } setDefaultOptions() input.Refresh() input.Erase() panel.Hide() input.Refresh() win.Refresh() } else { input.Refresh() panel.Window().ScrollOk(true) win.tmp = panel } return win.tmp }
func newBullet(y, x int) *Bullet { w, err := gc.NewWindow(1, 1, y, x) if err != nil { log.Println("newBullet:", err) } w.AttrOn(gc.A_BOLD | gc.ColorPair(4)) w.Print("-") return &Bullet{w, true} }
func newShip(y, x int) *Ship { w, err := gc.NewWindow(5, 7, y, x) if err != nil { log.Fatal("newShip:", err) } for i := 0; i < len(ship_ascii); i++ { w.MovePrint(i, 0, ship_ascii[i]) } return &Ship{w, 5} }
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 newExplosion(y, x int) *Explosion { w, err := gc.NewWindow(3, 3, y-1, x-1) if err != nil { log.Println("newExplosion:", err) } w.ColorOn(4) w.MovePrint(0, 0, `\ /`) w.AttrOn(gc.A_BOLD) w.MovePrint(1, 0, ` X `) w.AttrOn(gc.A_DIM) w.MovePrint(2, 0, `/ \`) return &Explosion{w, 5} }
func createPictureView(stdscr *gc.Window) *gc.Window { rows, cols := stdscr.MaxYX() pic_view, _ := gc.NewWindow(rows, cols/2, 0, cols/2) pic_view.Box(0, 0) // pic_view.MovePrintf(y+1, x+1, "TEST") gc.NewPanel(pic_view) y, _ := stdscr.MaxYX() stdscr.MovePrint(y-2, 1, "'q' to exit") stdscr.Refresh() pic_view.Refresh() return pic_view }
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 createFileList(stdscr *gc.Window) *gc.Menu { // build the menu items menu_items := getFiles() items := make([]*gc.MenuItem, len(menu_items)) i := 0 for key, val := range menu_items { items[i], _ = gc.NewItem(key, val) // defer items[i].Free() i++ } menu, _ := gc.NewMenu(items) defer menu.Free() rows, cols := stdscr.MaxYX() // menuwin, _ := gc.NewWindow(rows, cols/2, 3, 1) menuwin, _ := gc.NewWindow(rows, cols/2, 0, 0) menuwin.Keypad(true) menu.SetWindow(menuwin) dwin := menuwin.Derived(29, 50, 3, 1) menu.SubWindow(dwin) menu.Option(gc.O_SHOWDESC, true) menu.Mark(" * ") menu.Option(gc.O_ONEVALUE, false) // Print centered menu title _, x := menuwin.MaxYX() title := "My Menu" menuwin.Box(0, 0) menuwin.ColorOn(1) menuwin.MovePrint(1, (x/2)-(len(title)/2), title) menuwin.ColorOff(1) menuwin.MoveAddChar(2, 0, gc.ACS_LTEE) menuwin.HLine(2, 1, gc.ACS_HLINE, x-3) menuwin.MoveAddChar(2, x-2, gc.ACS_RTEE) gc.NewPanel(menuwin) menu.Post() //defer menu.UnPost() menu.Window().Refresh() return menu }
func (w Interface) getInput(msg string) string { input, _ := gc.NewWindow(3, 30, 20, 10) input.Box(0, 0) input.MovePrint(1, 1, msg) panel := gc.NewPanel(input) panel.Top() gc.Raw(false) gc.Echo(true) gc.Cursor(1) str, err := input.GetString(10) if err != nil { println("Input error") } panel.Delete() setDefaultOptions() return str }
func main() { stdscr, _ := gc.Init() 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) // build the menu items menu_items := []string{"Choice 1", "Choice 2", "Choice 3", "Choice 4", "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() menuwin, _ := gc.NewWindow(10, 40, 4, 14) menuwin.Keypad(true) menu.SetWindow(menuwin) dwin := menuwin.Derived(6, 38, 3, 1) menu.SubWindow(dwin) menu.Mark(" * ") // Print centered menu title y, x := menuwin.MaxYX() title := "My Menu" menuwin.Box(0, 0) menuwin.ColorOn(1) menuwin.MovePrint(1, (x/2)-(len(title)/2), title) menuwin.ColorOff(1) menuwin.MoveAddChar(2, 0, gc.ACS_LTEE) menuwin.HLine(2, 1, gc.ACS_HLINE, x-3) menuwin.MoveAddChar(2, x-2, gc.ACS_RTEE) y, x = stdscr.MaxYX() stdscr.MovePrint(y-2, 1, "'q' to exit") stdscr.Refresh() menu.Post() defer menu.UnPost() menuwin.Refresh() for { gc.Update() ch := menuwin.GetChar() switch ch { case 'q': return case gc.KEY_DOWN: menu.Driver(gc.REQ_DOWN) case gc.KEY_UP: menu.Driver(gc.REQ_UP) } } }
func main() { stdscr, _ := gc.Init() 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_CYAN, gc.C_BLACK) // build the menu items menu_items := []string{ "Choice 1", "Choice 2", "Choice 3", "Choice 4", "Choice 5", "Choice 6", "Choice 7", "Choice 8", "Choice 9", "Choice 10", "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() menuwin, _ := gc.NewWindow(HEIGHT, WIDTH, 4, 14) menuwin.Keypad(true) menu.SetWindow(menuwin) dwin := menuwin.Derived(6, 38, 3, 1) menu.SubWindow(dwin) menu.Format(5, 1) menu.Mark(" * ") // Print centered menu title title := "My Menu" menuwin.Box(0, 0) menuwin.ColorOn(1) menuwin.MovePrint(1, (WIDTH/2)-(len(title)/2), title) menuwin.ColorOff(1) menuwin.MoveAddChar(2, 0, gc.ACS_LTEE) menuwin.HLine(2, 1, gc.ACS_HLINE, WIDTH-2) menuwin.MoveAddChar(2, WIDTH-1, gc.ACS_RTEE) y, _ := stdscr.MaxYX() stdscr.ColorOn(2) stdscr.MovePrint(y-3, 1, "Use up/down arrows or page up/down to navigate. 'q' to exit") stdscr.ColorOff(2) stdscr.Refresh() menu.Post() defer menu.UnPost() menuwin.Refresh() for { gc.Update() if ch := menuwin.GetChar(); ch == 'q' { return } else { 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 main() { 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 := 5, 10 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) main: 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(0, 0) 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 main case gc.KEY_LEFT: if x > 0 { x-- } case gc.KEY_RIGHT: if x < cols-width { x++ } case gc.KEY_UP: if y > 1 { y-- } case gc.KEY_DOWN: if y < rows-height { y++ } } } win.Delete() }
func main() { var active int menu := []string{"Choice 1", "Choice 2", "Choice 3", "Choice 4", "Exit"} stdscr, err := gc.Init() if err != nil { log.Fatal("init:", err) } defer gc.End() gc.Raw(true) gc.Echo(false) gc.Cursor(0) stdscr.Keypad(true) y, x := 5, 2 win, err := gc.NewWindow(HEIGHT, WIDTH, y, x) if err != nil { log.Fatal("new_window:", err) } stdscr.MovePrint(0, 0, "Use up/down arrow keys, enter to "+ "select or 'q' to quit") stdscr.MovePrint(1, 0, "You may also left mouse click on an entry to select") stdscr.Refresh() printmenu(win, menu, active) // Check to see if the Mouse is available. This function was not available // in older versions of ncurses (5.7 and older) and may return false even // if the mouse is in fact avaiable for use. if gc.MouseOk() { stdscr.MovePrint(3, 0, "WARN: Mouse support not detected.") } // Adjust the default mouse-click sensitivity to make it more responsive gc.MouseInterval(50) // If, for example, you are temporarily disabling the mouse or are // otherwise altering mouse button detection temporarily, you could // pass a pointer to a MouseButton object as the 2nd argument to // record that information. Invocation may look something like: var prev gc.MouseButton gc.MouseMask(gc.M_B1_PRESSED, nil) // only detect left mouse clicks gc.MouseMask(gc.M_ALL, &prev) // temporarily enable all mouse clicks gc.MouseMask(prev, nil) // change it back for { ch := stdscr.GetChar() switch ch { case 'q': return case gc.KEY_UP: if active == 0 { active = len(menu) - 1 } else { active -= 1 } case gc.KEY_DOWN: if active == len(menu)-1 { active = 0 } else { active += 1 } case gc.KEY_MOUSE: /* pull the mouse event off the queue */ md := gc.GetMouse() new := getactive(x, y, md.X, md.Y, menu) if new != -1 { active = new } stdscr.MovePrintf(23, 0, "Choice #%d: %s selected", active+1, menu[active]) stdscr.ClearToEOL() stdscr.Refresh() case gc.KEY_RETURN, gc.KEY_ENTER, gc.Key('\r'): stdscr.MovePrintf(23, 0, "Choice #%d: %s selected", active+1, menu[active]) stdscr.ClearToEOL() stdscr.Refresh() default: stdscr.MovePrintf(23, 0, "Character pressed = %3d/%c", ch, ch) stdscr.ClearToEOL() stdscr.Refresh() } printmenu(win, menu, active) } }
func main() { filename := os.Args[len(os.Args)-1] filepath := findFile(filename) bs, _ := ioutil.ReadFile(filepath) s := string(bs[:]) scr, err := goncurses.Init() if err != nil { } defer terminateWindow() c := make(chan os.Signal, 1) signal.Notify(c, os.Interrupt, syscall.SIGTERM) go func() { <-c terminateWindow() os.Exit(1) }() goncurses.CBreak(true) scr.ScrollOk(true) scr.Keypad(true) goncurses.Echo(false) goncurses.NewLines(true) y, x := scr.MaxYX() scr.Resize(y-1, x) status_win, err := goncurses.NewWindow(1, x, y-1, 0) if err != nil { } status_win.ClearOk(true) status_win.Printf("\"%s\" [New File]", filename) status_win.Refresh() renderInitialWindow(scr) scr.GetChar() status_win.Erase() status_win.Move(0, 0) status_win.AttrOn(goncurses.A_BOLD) status_win.Print("--INSERT--") status_win.Refresh() scr.Move(0, 0) scr.Refresh() chars := strings.Split(s, "") i := 0 for true { ch := scr.GetChar() rune, _ := utf8.DecodeRuneInString(chars[i]) if rune == '\n' { if ch == '\n' { scr.Print("\n") scr.DelChar() for true { i++ if i >= len(chars) { break } r, _ := utf8.DecodeRuneInString(chars[i]) if r == '\t' || r == ' ' { scr.Printf("%c", r) } else { break } } } } else { scr.Printf("%c", rune) i++ } if i >= len(chars) { break } } scr.GetChar() status_win.Erase() status_win.Refresh() scr.Refresh() scr.GetChar() scr.GetChar() ioutil.WriteFile(filename, []byte(s), 0644) }