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 := 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()
}
Example #3
0
func main() {
	stdscr, _ := gc.Init()
	defer gc.End()

	gc.Echo(false)
	gc.CBreak(true)
	gc.StartColor()
	stdscr.Keypad(true)

	gc.InitPair(1, gc.C_WHITE, gc.C_BLUE)
	gc.InitPair(2, gc.C_YELLOW, gc.C_BLUE)

	fields := make([]*gc.Field, 2)
	fields[0], _ = gc.NewField(1, 10, 4, 18, 0, 0)
	defer fields[0].Free()
	fields[0].SetForeground(gc.ColorPair(1))
	fields[0].SetBackground(gc.ColorPair(2) | gc.A_UNDERLINE | gc.A_BOLD)
	fields[0].SetOptionsOff(gc.FO_AUTOSKIP)

	fields[1], _ = gc.NewField(1, 10, 6, 18, 0, 0)
	defer fields[1].Free()
	fields[1].SetForeground(gc.ColorPair(1))
	fields[1].SetBackground(gc.A_UNDERLINE)
	fields[1].SetOptionsOff(gc.FO_AUTOSKIP)
	fields[1].SetPad('*')

	form, _ := gc.NewForm(fields)
	form.Post()
	defer form.UnPost()
	defer form.Free()
	stdscr.Refresh()

	fields[0].SetBuffer("Buffer 0")

	stdscr.AttrOn(gc.ColorPair(2) | gc.A_BOLD)
	stdscr.MovePrint(4, 10, "Value 1:")
	stdscr.AttrOff(gc.ColorPair(2) | gc.A_BOLD)
	stdscr.MovePrint(6, 10, "Value 2:")
	stdscr.Refresh()

	form.Driver(gc.REQ_FIRST_FIELD)

	ch := stdscr.GetChar()
	for ch != 'q' {
		switch ch {
		case gc.KEY_DOWN, gc.KEY_TAB:
			form.Driver(gc.REQ_NEXT_FIELD)
			form.Driver(gc.REQ_END_LINE)
		case gc.KEY_UP:
			form.Driver(gc.REQ_PREV_FIELD)
			form.Driver(gc.REQ_END_LINE)
		case gc.KEY_BACKSPACE:
			form.Driver(gc.REQ_CLR_FIELD)
		default:
			form.Driver(ch)
		}
		ch = stdscr.GetChar()
	}
	stdscr.MovePrint(20, 0, fields[1].Buffer())
	stdscr.GetChar()
}