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