101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"time"
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"github.com/br0xen/termbox-screen"
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"github.com/br0xen/termbox-util"
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termbox "github.com/nsf/termbox-go"
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)
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const AboutScreenId = 2
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// AboutScreen holds all that's going on
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type AboutScreen struct {
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message string
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messageTimeout time.Duration
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messageTime time.Time
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titleTemplate []string
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commandsCol1 []Command
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commandsCol2 []Command
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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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func (screen *AboutScreen) Id() int { return AboutScreenId }
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func (screen *AboutScreen) Initialize(bundle termboxScreen.Bundle) error {
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screen.titleTemplate = []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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screen.commandsCol1 = []Command{
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Command{"j,↓", "down"},
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Command{"k,↑", "up"},
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Command{"l,→", "open task"},
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Command{"[space]", "toggle task complete"},
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Command{"g", "goto top"},
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Command{"G", "goto bottom"},
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Command{"ctrl+f", "jump down"},
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Command{"ctrl+b", "jump up"},
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}
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screen.commandsCol2 = []Command{
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Command{"D", "move task to done.txt"},
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Command{"?", "this screen"},
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Command{"q", "quit program"},
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}
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return nil
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}
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func (screen *AboutScreen) ResizeScreen() { screen.Initialize(nil) }
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func (screen *AboutScreen) HandleKeyEvent(event termbox.Event) int {
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return MainScreenId
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}
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func (screen *AboutScreen) DrawScreen() {
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width, height := termbox.Size()
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xPos := (width - len(screen.titleTemplate[0])) / 2
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yPos := 1
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for _, line := range screen.titleTemplate {
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termboxUtil.DrawStringAtPoint(line, xPos, yPos, DefaultFg, DefaultBg)
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yPos++
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}
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numCols := 2
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if width < 80 {
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numCols = 1
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}
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col1XPos := (width - (width * 3 / 4))
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col2XPos := (width - (width * 2 / 4))
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if numCols == 1 {
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col2XPos = col1XPos
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}
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screen.drawCommandsAtPoint(screen.commandsCol1, col1XPos, yPos)
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screen.drawCommandsAtPoint(screen.commandsCol2, col2XPos, yPos)
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exitTxt := "Press any key to return to tasks"
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termboxUtil.DrawStringAtPoint(exitTxt, (width-len(exitTxt))/2, height-1, TitleFg, TitleBg)
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}
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func (screen *AboutScreen) drawCommandsAtPoint(commands []Command, x, y int) {
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xPos, yPos := x, y
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for index, cmd := range commands {
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termboxUtil.DrawStringAtPoint(fmt.Sprintf("%6s", cmd.key), xPos, yPos, DefaultFg, DefaultBg)
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termboxUtil.DrawStringAtPoint(cmd.description, xPos+8, yPos, DefaultFg, 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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