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 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() { 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() { 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(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 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() { 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) // 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() { 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]) } } }