itd/cmd/itgui/error.go

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package main
import (
"image/color"
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"os"
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"fyne.io/fyne/v2"
"fyne.io/fyne/v2/canvas"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
)
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func guiErr(err error, msg string, fatal bool, parent fyne.Window) {
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// Create new label containing message
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msgLbl := widget.NewLabel(msg)
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// Text formatting settings
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msgLbl.Wrapping = fyne.TextWrapWord
msgLbl.Alignment = fyne.TextAlignCenter
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// Create new rectangle to set the size of the dialog
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rect := canvas.NewRectangle(color.Transparent)
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// Set minimum size of rectangle to 350x0
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rect.SetMinSize(fyne.NewSize(350, 0))
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// Create new container containing message and rectangle
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content := container.NewVBox(
msgLbl,
rect,
)
if err != nil {
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// Create new label containing error text
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errEntry := widget.NewEntry()
errEntry.SetText(err.Error())
// If text changed, change it back
errEntry.OnChanged = func(string) {
errEntry.SetText(err.Error())
}
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// Create new dropdown containing error label
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content.Add(widget.NewAccordion(
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widget.NewAccordionItem("More Details", errEntry),
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))
}
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if fatal {
// Create new error dialog
errDlg := dialog.NewCustom("Error", "Close", content, parent)
// On close, exit with code 1
errDlg.SetOnClosed(func() {
os.Exit(1)
})
// Show dialog
errDlg.Show()
// Run app prematurely to stop further execution
parent.ShowAndRun()
} else {
// Show error dialog
dialog.NewCustom("Error", "Ok", content, parent).Show()
}
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}