110 lines
2.0 KiB
Go
110 lines
2.0 KiB
Go
package main
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import (
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"os"
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"time"
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"github.com/nsf/termbox-go"
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)
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// ScreenState keeps some app-wide variables
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type ScreenState struct {
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updateFreq time.Duration
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autoUpdate bool
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}
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var state *ScreenState
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func main() {
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state = new(ScreenState)
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var err error
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err = termbox.Init()
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if err != nil {
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panic(err)
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}
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defer termbox.Close()
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style := defaultStyle()
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termbox.SetOutputMode(termbox.Output256)
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state.updateFreq = 60
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state.autoUpdate = false
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mainLoop(style)
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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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func sendRefreshEvent(e chan termbox.Event) {
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for {
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time.Sleep(time.Second * state.updateFreq)
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if state.autoUpdate {
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e <- termbox.Event{Key: 'r'}
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}
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}
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}
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func mainLoop(style style) {
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state.updateFreq = time.Second * 60
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screens := defaultScreens()
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displayScreen := screens[mainScreenIndex]
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layoutAndDrawScreen(displayScreen, style)
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eventchan := make(chan termbox.Event)
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go readUserInput(eventchan)
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go sendRefreshEvent(eventchan)
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for {
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// Read User Input
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event := <-eventchan // termbox.PollEvent()
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if event.Type == termbox.EventKey {
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if event.Key == termbox.KeyCtrlC {
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break
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}
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newScreenIndex := displayScreen.handleKeyEvent(event)
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if newScreenIndex < len(screens) {
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displayScreen = screens[newScreenIndex]
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layoutAndDrawScreen(displayScreen, style)
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} else if newScreenIndex == exitScreenIndex {
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break
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}
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}
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if event.Type == termbox.EventResize || event.Type == termbox.EventNone {
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layoutAndDrawScreen(displayScreen, style)
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}
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}
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}
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// Screens Setup
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const (
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mainScreenIndex = iota
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//aboutScreenIndex
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exitScreenIndex
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)
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func defaultScreens() []Screen {
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//var view_port ViewPort
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mainScreen := mainScreen{}
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//aboutScreen := aboutScreen{}
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screens := [...]Screen{
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&mainScreen,
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// &aboutScreen,
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}
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return screens[:]
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}
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// WriteToLog Writes to the Log
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func WriteToLog(d string) {
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f, err := os.OpenFile("system-status.log", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0664)
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if err != nil {
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panic(err)
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}
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f.WriteString(d)
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f.Close()
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}
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