forked from br0xen/boltbrowser
/
screen_about.go
126 lines (113 loc) · 3.79 KB
/
screen_about.go
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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++
}
}
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"},
{"?", "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)
}