itd/cmd/itgui/time.go

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package main
import (
"encoding/json"
"net"
"time"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/layout"
"fyne.io/fyne/v2/widget"
"go.arsenm.dev/itd/internal/types"
)
func timeTab(parent fyne.Window) *fyne.Container {
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// Create new entry for time string
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timeEntry := widget.NewEntry()
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// Set text to current time formatter properly
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timeEntry.SetText(time.Now().Format(time.RFC1123))
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// Create button to set current time
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currentBtn := widget.NewButton("Set Current", func() {
timeEntry.SetText(time.Now().Format(time.RFC1123))
setTime(true)
})
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// Create button to set time inside entry
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timeBtn := widget.NewButton("Set", func() {
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// Parse time as RFC1123 string
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parsedTime, err := time.Parse(time.RFC1123, timeEntry.Text)
if err != nil {
guiErr(err, "Error parsing time string", parent)
return
}
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// Set time to parsed time
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setTime(false, parsedTime)
})
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// Return new container with all elements centered
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return container.NewVBox(
layout.NewSpacer(),
timeEntry,
currentBtn,
timeBtn,
layout.NewSpacer(),
)
}
// setTime sets the first element in the variadic parameter
// if current is false, otherwise, it sets the current time.
func setTime(current bool, t ...time.Time) error {
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// Dial UNIX socket
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conn, err := net.Dial("unix", SockPath)
if err != nil {
return err
}
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defer conn.Close()
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var data string
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// If current is true, use the string "now"
// otherwise, use the formatted time from the
// first element in the variadic parameter.
// "now" is more accurate than formatting
// current time as only seconds are preserved
// in that case.
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if current {
data = "now"
} else {
data = t[0].Format(time.RFC3339)
}
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// Encode SetTime request with above data
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err = json.NewEncoder(conn).Encode(types.Request{
Type: types.ReqTypeSetTime,
Data: data,
})
if err != nil {
return err
}
return nil
}