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 := 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.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() }