Example #1
0
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()
		}
	}
}
Example #2
0
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)
		}
	}
}
Example #3
0
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()
}
Example #4
0
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)
		}
	}
}
Example #5
0
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])
		}
	}
}
Example #6
0
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])
		}
	}
}
Example #7
0
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()
}