widget.Entry insert some word is very log

[汉江蛟龙]

Checklist

• I have searched the issue tracker for open issues that relate to the same problem, before opening a new one.
• This issue only relates to a single bug. I will open new issues for any other problems.

Describe the bug

widget.Entry insert some word is very log

How to reproduce

Put a large amount of text into widget.Entry

Screenshots

No response

Example code

import (
	"bytes"
	"encoding/base64"
	"fmt"
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/canvas"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/widget"
	"image"
	"image/jpeg"
)

func Img2Base64(myWindow fyne.Window, myApp fyne.App) *fyne.Container {

	// 图片预览区域
	imageCanvas := canvas.NewImageFromResource(nil)
	imageCanvas.FillMode = canvas.ImageFillOriginal

	// Base64 文本显示区域
	base64Entry := widget.NewEntry()
	base64Entry.MultiLine = true

	// 选择图片按钮
	selectButton := widget.NewButton("Select Image", func() {
		dialog.ShowFileOpen(func(reader fyne.URIReadCloser, err error) {
			if err == nil && reader != nil {
				defer reader.Close()
				img, _, err := image.Decode(reader)
				if err != nil {
					dialog.ShowError(err, myWindow)
					return
				}
				go func() {
					base64Text := imageToBase64(img)
					updateBase64Text(base64Text, base64Entry)
				}()
			}
		}, myWindow)
	})

	// 布局
	content := container.NewVBox(
		selectButton,
		container.NewHBox(
			imageCanvas,
			base64Entry,
		),
	)
	return content
}
func updateBase64Text(text string, entry *widget.Entry) {
	entry.SetText(text)
}
func imageToBase64(img image.Image) string {
	buf := new(bytes.Buffer)
	err := jpeg.Encode(buf, img, nil)
	if err != nil {
		fmt.Println(err)
		return ""
	}
	return base64.StdEncoding.EncodeToString(buf.Bytes())
}

Fyne version

2.4.5

Go compiler version

1.22.3

Operating system and version

win10

Additional Information

No response

[Jacob Alzén]

I don't understand what you mean. You have written the same thing under all questions more or less. Is the length of the Entry too long? Have you changed the scrolling setting?

[汉江蛟龙]

My function is to open an image and write its base64 into a widget NewEntry() or widget.textarea, but a large number of base64 strings cause the interface to be particularly sluggish. The code is the example code I wrote

[Jacob Alzén]

You mean that performance is bad? If that's the case then I think you might be encountering #2718.

[汉江蛟龙]

When can I fix it

[Jacob Alzén]

Can you confirm if this is or isn't the same as the issue linked above? If it is, I will close this as a duplicate.

As for any timelines for it to be fixed, I can't say. You'll see that the other issue has been open a while.

[汉江蛟龙]

It does seem like a duplicate

[Andy Williams]

Please note that it seems like you might be using the wrong component - do your users want to edit the Base64 of an image file?
Maybe a lighter weight component or one that is optimised for large content / long lines is the solution.

[汉江蛟龙]

I just want to select an image, convert it to base64, and then copy the content of this base64. What do you think I should choose as a component

[Andy Williams]

It sounds like displaying the content is not needed - just a "copy to clipboard" button would suffice...
you could always preview part of the conversion in a Label widget.

[汉江蛟龙]

It sounds like a good idea, but some scenarios that require long text still have this issue. I hope it can be fixed soon