63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
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package main
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import (
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termbox "github.com/nsf/termbox-go"
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)
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type Screen interface {
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handleKeyEvent(termbox.Event) int
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initialize(Bundle) error
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drawScreen()
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}
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const (
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ScreenMain = iota
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ScreenTask
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ScreenAbout
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ScreenExit
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DefaultBg = termbox.ColorBlack
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DefaultFg = termbox.ColorWhite
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TitleFg = termbox.ColorWhite
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TitleBg = termbox.ColorBlue
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CursorFg = termbox.ColorBlack
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CursorBg = termbox.ColorGreen
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)
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func (a *AppState) BuildScreens() {
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mainScreen := MainScreen{
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viewPort: &ViewPort{},
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}
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aboutScreen := AboutScreen{}
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taskScreen := TaskScreen{
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viewPort: &ViewPort{},
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}
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a.screens = append(a.screens, &mainScreen)
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a.screens = append(a.screens, &taskScreen)
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a.screens = append(a.screens, &aboutScreen)
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}
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func (a *AppState) drawBackground(bg termbox.Attribute) {
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termbox.Clear(0, bg)
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}
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func (a *AppState) layoutAndDrawScreen(s Screen) {
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a.drawBackground(DefaultBg)
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s.drawScreen()
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termbox.Flush()
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}
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// ViewPort helps keep track of what's being displayed on the screen
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type ViewPort struct {
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bytesPerRow int
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numberOfRows int
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firstRow int
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cursor int
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}
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func readUserInput(e chan termbox.Event) {
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for {
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e <- termbox.PollEvent()
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}
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}
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