func main() { stdscr, err := goncurses.Init() if err != nil { log.Fatal("init", err) } defer goncurses.End() goncurses.Raw(true) // turn on raw "uncooked" input goncurses.Echo(false) // turn echoing of typed characters off goncurses.Cursor(0) // hide cursor stdscr.Keypad(true) // allow keypad input stdscr.Print("Press a key...") stdscr.Refresh() if ch := stdscr.GetChar(); ch == goncurses.KEY_F2 { stdscr.Print("The F2 key was pressed.") } else { stdscr.Print("The key pressed is: ") stdscr.AttrOn(goncurses.A_BOLD) stdscr.AddChar(goncurses.Char(ch)) stdscr.AttrOff(goncurses.A_BOLD) } stdscr.Refresh() stdscr.GetChar() }
func (cw *chatWin) dialog(messages chan message) { stdscr, err := goncurses.Init() if err != nil { log.Fatal("init:", err) } defer goncurses.End() goncurses.Raw(false) stdscr.ScrollOk(true) rows, cols := stdscr.MaxYX() chats, err := goncurses.NewWindow(rows-MESSAGE_WIN_SIZE, cols, 0, 0) if err != nil { log.Fatal("Error setting up chat window") } chats.ScrollOk(true) chats.Box(goncurses.ACS_VLINE, goncurses.ACS_HLINE) chats.Refresh() messageWin, err := goncurses.NewWindow(MESSAGE_WIN_SIZE, cols, rows-MESSAGE_WIN_SIZE, 0) if err != nil { log.Fatal("Error setting up chat window") } cw.msgRows, cw.msgCols = messageWin.MaxYX() // allow special characters to come through (e.g. arrow keys) messageWin.Keypad(true) // sets terminal to non-blocking // this also seems to print characters as they're typed, which causes some weird workarounds goncurses.HalfDelay(1) messageWin.Print(PROMPT) for { select { case msg := <-messages: y, _ := chats.CursorYX() chats.MovePrint(y+1, 1, fmt.Sprintf("%s: %s", msg.From, msg.Message)) chats.Refresh() messageWin.Refresh() default: line := cw.handleInput(messageWin) if line != "" { log.Println("Entered message:", line) msg := message{From: cw.username, Message: line} // TODO: uncomment once turnpike is fixed to not send events to the sender // y, _ := chats.CursorYX() // chats.MovePrint(y+1, 1, fmt.Sprintf("%s: %s", msg.From, msg.Message)) // chats.Refresh() cw.msgs <- msg } } } }
func main() { stdscr, err := gc.Init() if err != nil { log.Fatal(err) } defer gc.End() gc.StartColor() gc.Echo(false) gc.Raw(true) var colours = []int16{gc.C_BLACK, gc.C_BLUE, gc.C_CYAN, gc.C_GREEN, gc.C_MAGENTA, gc.C_RED, gc.C_WHITE, gc.C_YELLOW} var attributes = []struct { attr gc.Char text string }{ {gc.A_NORMAL, "normal"}, {gc.A_STANDOUT, "standout"}, {gc.A_UNDERLINE | gc.A_BOLD, "underline"}, {gc.A_REVERSE, "reverse"}, {gc.A_BLINK, "blink"}, {gc.A_DIM, "dim"}, {gc.A_BOLD, "bold"}, } stdscr.MovePrint(0, 0, "Normal terminal colors: ") for i, c := range colours { gc.InitPair(int16(i), c, c) stdscr.ColorOn(int16(i)) stdscr.AddChar(' ') stdscr.ColorOff(int16(i)) } stdscr.MovePrint(1, 0, "Bold terminal colors: ") stdscr.AttrOn(gc.A_BLINK) for i, _ := range colours { stdscr.ColorOn(int16(i)) stdscr.AddChar(' ') stdscr.ColorOff(int16(i)) } stdscr.AttrOff(gc.A_BLINK) stdscr.Move(2, 0) for _, a := range attributes { stdscr.AttrOn(a.attr) stdscr.Println(a.text) stdscr.AttrOff(a.attr) } stdscr.GetChar() }
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() 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() { 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() { 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() { stdscr, err := gc.Init() if err != nil { log.Fatal("init", err) } defer gc.End() if err := gc.StartColor(); err != nil { log.Fatal(err) } lines, cols := stdscr.MaxYX() gc.Raw(true) // turn on raw "uncooked" input gc.Echo(false) // turn echoing of typed characters off gc.Cursor(0) // hide cursor stdscr.Timeout(50) stdscr.Keypad(true) // allow keypad input gc.InitPair(1, gc.C_YELLOW, gc.C_BLACK) gc.InitPair(2, gc.C_RED, gc.C_BLACK) gc.InitPair(3, gc.C_GREEN, gc.C_BLACK) gc.InitPair(4, gc.C_BLUE, gc.C_BLACK) gc.InitPair(5, gc.C_WHITE, gc.C_BLACK) gc.InitPair(6, gc.C_BLACK, gc.C_BLACK) gc.InitPair(7, gc.C_MAGENTA, gc.C_BLACK) stdscr.SetBackground(gc.ColorPair(3)) rand.Seed(time.Now().UTC().UnixNano()) state := State{Money: 150} var build *Thing things := make([]Thing, 0, 20) var toUpdate int64 = 0 lastTimestamp := int64(time.Nanosecond) * time.Now().UTC().UnixNano() / int64(time.Millisecond) frames := make(map[string][][]string) count := rand.Intn(15) + 25 for i := 0; i < count; i++ { for { var kind Kind var pop int r := rand.Intn(2) switch r { case 0: kind = &SmallHouse{Frames: &frames} pop = 10 case 1: kind = &House{Frames: &frames} pop = 40 } house := &Thing{2 + rand.Intn(cols-8), 2 + rand.Intn(lines-8), kind} overlap := false for _, thing := range things { if house.Overlap(&thing) { overlap = true break } } if !overlap { things = append(things, *house) state.Population += pop break } } } var overlap bool var price float32 showInfo := true for { now := int64(time.Nanosecond) * time.Now().UTC().UnixNano() / int64(time.Millisecond) delta := now - lastTimestamp lastTimestamp = now toUpdate -= delta c := stdscr.GetChar() switch c { case 'q': break case 'a': if build != nil && build.X > 0 { build.X-- } case 'd': if build != nil && build.X+build.GetSize().X < cols { build.X++ } case 'w': if build != nil && build.Y > 0 { build.Y-- } case 's': if build != nil && build.Y+build.GetSize().Y < lines { build.Y++ } case ' ': if build != nil && !overlap && state.Money >= price { things = append(things, *build) state.Money -= price build = nil } case '1': if state.Money >= 100 { build = &Thing{cols / 2, lines / 2, &Shop{Frames: &frames}} price = 100 } case '2': if state.Money >= 600 { build = &Thing{cols / 2, lines / 2, &Factory{Frames: &frames}} price = 600 } case '3': if state.Money >= 1100 { build = &Thing{cols / 2, lines / 2, &BigFactory{Frames: &frames}} price = 1100 } case '4': if state.Money >= 2000 { build = &Thing{cols / 2, lines / 2, &Office{Frames: &frames}} price = 2000 } } if c == 'q' { break } stdscr.Erase() if state.Population == 0 { stdscr.AttrOn(gc.ColorPair(3) | gc.A_BOLD) stdscr.MovePrint(lines/2, cols/2-4, "You won!") continue } if showInfo && c != 0 { showInfo = false } if showInfo { info := ` __ __ _____ _ _ _ | \/ | / ____| | | | | | | \ / |_ __ | | __ ___ | | __| | |__ ___ _ __ __ _ | |\/| | '__| | | |_ |/ _ \| |/ _ | '_ \ / _ \ '__/ _ | | | | | |_ | |__| | (_) | | (_| | |_) | __/ | | (_| | |_| |_|_(_) \_____|\___/|_|\__,_|_.__/ \___|_| \__, | __/ | |___/ You are Mr. Goldberg, a famous and well respected businessman. You're looking to expand your business to a new city. It looks promising, but has one serious problem - too many people living in it, getting in the way! Maybe if you build some factories near their homes they will eventually move out and stop bothering you? Instructions: * earn money to build stuff * pollution will cause people to move out * you win when city population reaches 0! * 1/2/3/4 to choose building, WASD to move, SPACE to build it, Q to quit [ any key to start ] ` stdscr.AttrOn(gc.ColorPair(5) | gc.A_BOLD) for i, s := range strings.Split(info, "\n") { stdscr.MovePrint(lines/2+i-16, cols/2-30, strings.Trim(s, "\t")) } continue } overlap = false if toUpdate <= 0 { state.MoneyDelta = 0 state.PollutionDelta = 0 } for _, thing := range things { stdscr.AttrOn(thing.GetColor()) thing.Draw(stdscr) stdscr.AttrOff(thing.GetColor()) if toUpdate <= 0 { thing.Update(&state) } if build != nil && build.Overlap(&thing) { overlap = true } } if build != nil { if overlap { stdscr.AttrOn(gc.ColorPair(2)) } else { stdscr.AttrOn(gc.ColorPair(7)) } build.Draw(stdscr) } if toUpdate <= 0 { toUpdate = 1000 } stdscr.AttrOn(gc.ColorPair(1) | gc.A_BOLD) stdscr.MovePrintf(1, 1, "Cash: $%.2f (+$%.2f/s)", state.Money, state.MoneyDelta) stdscr.AttrOff(gc.ColorPair(1) | gc.A_BOLD) stdscr.AttrOn(gc.ColorPair(3) | gc.A_BOLD) stdscr.MovePrintf(2, 1, "Population: %d", state.Population) stdscr.AttrOff(gc.ColorPair(3) | gc.A_BOLD) stdscr.AttrOn(gc.ColorPair(2) | gc.A_BOLD) stdscr.MovePrintf(3, 1, "Pollution: %d (+%d/s)", state.Pollution, state.PollutionDelta) stdscr.AttrOff(gc.ColorPair(2) | gc.A_BOLD) if state.Money >= 100 { stdscr.AttrOn(gc.ColorPair(5) | gc.A_BOLD) } else { stdscr.AttrOn(gc.ColorPair(6) | gc.A_BOLD) } stdscr.MovePrint(1, cols-50, "1: Shop ($100) [2$/s]") if state.Money >= 600 { stdscr.AttrOn(gc.ColorPair(5) | gc.A_BOLD) } else { stdscr.AttrOn(gc.ColorPair(6) | gc.A_BOLD) } stdscr.MovePrint(3, cols-50, "2: Factory ($600) [5$/s, 1 pollution/s]") if state.Money >= 1100 { stdscr.AttrOn(gc.ColorPair(5) | gc.A_BOLD) } else { stdscr.AttrOn(gc.ColorPair(6) | gc.A_BOLD) } stdscr.MovePrint(5, cols-50, "3: Big factory ($1100) [10$/s, 3 pollution/s]") stdscr.AttrOff(gc.A_BOLD) if state.Money >= 2000 { stdscr.AttrOn(gc.ColorPair(5) | gc.A_BOLD) } else { stdscr.AttrOn(gc.ColorPair(6) | gc.A_BOLD) } stdscr.MovePrint(7, cols-50, "4: Office ($2000) [+20% money generated]") stdscr.AttrOff(gc.A_BOLD) stdscr.Refresh() } stdscr.GetChar() }
// Returns an articleType that can be downloaded and displayed. func ncurses(articles map[string][]articleType) (article articleType, err error) { // Initialize the standard screen stdscr, err := gc.Init() if err != nil { return } defer gc.End() h, w := stdscr.MaxYX() // Initialize the library gc.Raw(true) gc.Echo(false) gc.Cursor(0) stdscr.Keypad(true) // Build the user menu items userItems := make([]*gc.MenuItem, len(articles)) i := 0 for val := range articles { userItems[i], err = gc.NewItem(val, "") if err != nil { return } defer userItems[i].Free() i++ } // Build the first user's article items articleItems := make([]*gc.MenuItem, len(articles[userItems[0].Name()])) i = 0 for _, val := range articles[userItems[0].Name()] { articleItems[i], err = gc.NewItem(val.title, "") if err != nil { return } defer articleItems[i].Free() i++ } // Create the user menu userMenu, userMenuWin, err := newFeatureMenu(userItems, h, w/2, 0, 0) if err != nil { return } // Post the user menu and refresh the user window userMenu.Post() defer userMenu.UnPost() userMenuWin.Refresh() // Create the article menu articleMenu, articleMenuWin, err := newFeatureMenu(articleItems, h/2, w/2, 0, w/2) if err != nil { return } // Post the article menu and refresh the article window articleMenu.Post() defer articleMenu.UnPost() articleMenuWin.Refresh() // Create the information window used to display article information aInfoWin, err := gc.NewWindow(h/2+1, w/2, h/2, w/2+1) if err != nil { return } displayInfo(aInfoWin, 0, 0, userItems, articles) active := 0 activeA := 0 currentMenuWin := userMenuWin currentMenu := userMenu for { gc.Update() ch := currentMenuWin.GetChar() switch ch { case 'q': return case gc.KEY_UP: if currentMenu == userMenu { if active != 0 { active-- articleItems = make([]*gc.MenuItem, len(articles[userItems[active].Name()])) i = 0 for _, val := range articles[userItems[active].Name()] { articleItems[i], _ = gc.NewItem(val.title, "") defer articleItems[i].Free() i++ } articleMenu.UnPost() articleMenu.SetItems(articleItems) articleMenu.Post() articleMenuWin.Refresh() displayInfo(aInfoWin, active, activeA, userItems, articles) } } else { if activeA != 0 { activeA-- displayInfo(aInfoWin, active, activeA, userItems, articles) } } currentMenu.Driver(gc.DriverActions[ch]) case gc.KEY_DOWN: if currentMenu == userMenu { if active != len(userItems)-1 { active++ articleItems = make([]*gc.MenuItem, len(articles[userItems[active].Name()])) i = 0 for _, val := range articles[userItems[active].Name()] { articleItems[i], _ = gc.NewItem(val.title, "") defer articleItems[i].Free() i++ } articleMenu.UnPost() articleMenu.SetItems(articleItems) articleMenu.Post() articleMenuWin.Refresh() displayInfo(aInfoWin, active, activeA, userItems, articles) } } else { if activeA != len(articleItems)-1 { activeA++ aInfoWin.MovePrint(1, 1, "Auteur : ", userItems[active].Name()) aInfoWin.Refresh() displayInfo(aInfoWin, active, activeA, userItems, articles) } } currentMenu.Driver(gc.DriverActions[ch]) case gc.KEY_LEFT: // If the LEFT key is pressed, then set the active menu and active // menu window to the user ones. Also resets the current article counter if currentMenu == articleMenu { currentMenu = userMenu currentMenuWin = userMenuWin activeA = 0 } case gc.KEY_RIGHT: // If the RIGHT key is pressed, then set the active menu and active // menu window to the article one. if currentMenu == userMenu { currentMenu = articleMenu currentMenuWin = articleMenuWin } case gc.KEY_ENTER, gc.KEY_RETURN, gc.Key('\r'): // If one of the Enter/Return key is pressed, depending on the current // menu, switch to the article menu or start downloading the selected // article. if currentMenu == userMenu { currentMenu = articleMenu currentMenuWin = articleMenuWin activeA = 0 } else { article = articles[userItems[active].Name()][activeA] return } default: currentMenu.Driver(gc.DriverActions[ch]) } } }