package main import ( "fmt" "github.com/br0xen/termbox-util" "github.com/nsf/termbox-go" ) /* Command is a struct for associating descriptions to keys */ type Command struct { key string description string } /* AboutScreen is just a basic 'int' type that we can extend to make this screen */ type AboutScreen int func drawCommandsAtPoint(commands []Command, x int, y int, style Style) { xPos, yPos := x, y for index, cmd := range commands { termboxUtil.DrawStringAtPoint(fmt.Sprintf("%6s", cmd.key), xPos, yPos, style.defaultFg, style.defaultBg) termboxUtil.DrawStringAtPoint(cmd.description, xPos+8, yPos, style.defaultFg, style.defaultBg) yPos++ if index > 2 && index%2 == 1 { yPos++ } } } func (screen *AboutScreen) handleKeyEvent(event termbox.Event) int { return BrowserScreenIndex } func (screen *AboutScreen) performLayout() {} func (screen *AboutScreen) drawScreen(style Style) { defaultFg := style.defaultFg defaultBg := style.defaultBg width, height := termbox.Size() template := [...]string{ " _______ _______ ___ _______ _______ ______ _______ _ _ _______ _______ ______ ", "| _ || || | | || _ || _ | | || | _ | || || || _ | ", "| |_| || _ || | |_ _|| |_| || | || | _ || || || || _____|| ___|| | || ", "| || | | || | | | | || |_||_ | | | || || |_____ | |___ | |_||_ ", "| _ | | |_| || |___ | | | _ | | __ || |_| || ||_____ || ___|| __ |", "| |_| || || || | | |_| || | | || || _ | _____| || |___ | | | |", "|_______||_______||_______||___| |_______||___| |_||_______||__| |__||_______||_______||___| |_|", } if width < 100 { template = [...]string{ " ____ ____ _ _____ ____ ____ ____ _ _ ____ ___ ____ ", "| _ || || | | || _ || _ | | || | _ | || || || _ | ", "| |_||| _ || | |_ _|| |_||| | || | _ || || || || ___|| _|| | || ", "| ||| | || | | | | || |_|| || | || |||___ | |_ | |_||_ ", "| _ |||_| || |___| | | _ || _ |||_| || ||__ || _|| __ |", "| |_||| || | | | |_||| | | || || _ | __| || |_ | | | |", "|____||____||_____|_| |____||_| |_||____||__| |__||____||___||_| |_|", } } firstLine := template[0] startX := (width - len(firstLine)) / 2 //startX := (width - len(firstLine)) / 2 startY := ((height - 2*len(template)) / 2) - 2 xPos := startX yPos := startY if height <= 20 { title := "BoltBrowser" startY = 0 yPos = 0 termboxUtil.DrawStringAtPoint(title, (width-len(title))/2, startY, style.titleFg, style.titleBg) } else { if height < 25 { startY = 0 yPos = 0 } for _, line := range template { xPos = startX for _, runeValue := range line { bg := defaultBg displayRune := ' ' if runeValue != ' ' { //bg = termbox.Attribute(125) displayRune = runeValue termbox.SetCell(xPos, yPos, displayRune, defaultFg, bg) } xPos++ } yPos++ } } yPos++ versionString := fmt.Sprintf("Version: %0.1f", VersionNum) termboxUtil.DrawStringAtPoint(versionString, (width-len(versionString))/2, yPos, style.defaultFg, style.defaultBg) yPos++ commands1 := [...]Command{ {"h,←", "close parent"}, {"j,↓", "down"}, {"k,↑", "up"}, {"l,→", "open item"}, {"g", "goto top"}, {"G", "goto bottom"}, {"ctrl+f", "jump down"}, {"ctrl+b", "jump up"}, } commands2 := [...]Command{ {"p,P", "create pair/at parent"}, {"b,B", "create bucket/at parent"}, {"e", "edit value of pair"}, {"r", "rename pair/bucket"}, {"D", "delete item"}, {"x,X", "export as string/json to file"}, {"?", "this screen"}, {"q", "quit program"}, } xPos = startX // + 20 yPos++ drawCommandsAtPoint(commands1[:], xPos, yPos+1, style) drawCommandsAtPoint(commands2[:], xPos+20, yPos+1, style) exitTxt := "Press any key to return to browser" termboxUtil.DrawStringAtPoint(exitTxt, (width-len(exitTxt))/2, height-1, style.titleFg, style.titleBg) }