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iup.MultiLine cannot insert longer text than 255 chars

Open V2BlockBuster2K opened this issue 2 years ago • 3 comments
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I wrote a program which should insert a long text into iup.Multiline (Value=). But it only inserts the first 255 chars. I think it has something to do with the buffer size? Could you please fix this or maybe add an option where you can change the size when needed?

V2BlockBuster2K avatar May 28 '23 14:05 V2BlockBuster2K

Do you have a minimal example that can reproduce this problem?

gen2brain avatar May 28 '23 14:05 gen2brain

you can try something like this (assuming longtext.txt and main.go are in same directory):

package main
  
import (
	"bufio"
	"os"

	"github.com/gen2brain/iup-go/iup"
)

func parse_text() string {
	var output string

	file, err := os.Open("longtext.txt")
	if err != nil {
		panic(err)
	}
	fileScanner := bufio.NewScanner(file)

	fileScanner.Split(bufio.ScanLines)
	for fileScanner.Scan() {
		output += fileScanner.Text() + "\n"
	}
	file.Close()

	return output
}

func main() {
	file_txt := parse_text()
	iup.Open()
	defer iup.Close()

	ml := iup.MultiLine().SetAttributes("EXPAND=YES, VALUE=\"" + file_txt + "\"")

	dlg := iup.Dialog(ml).SetAttributes(`TITLE="Sample", MENU=menu, ICON=img1`)
	iup.Show(dlg)
	iup.MainLoop()
}

And here is longtext.txt:

Sed ut perspiciatis, unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam eaque ipsa, quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt, explicabo. Nemo enim ipsam voluptatem, quia voluptas sit, aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos, qui ratione voluptatem sequi nesciunt, neque porro quisquam est, qui dolorem ipsum, quia dolor sit amet consectetur adipisci[ng] velit, sed quia non numquam [do] eius modi tempora inci[di]dunt, ut labore et dolore magnam aliquam quaerat voluptatem. Ut enim ad minima veniam, quis nostrum[d] exercitationem ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi consequatur? [D]Quis autem vel eum i[r]ure reprehenderit, qui in ea voluptate velit esse, quam nihil molestiae consequatur, vel illum, qui dolorem eum fugiat, quo voluptas nulla pariatur? [33] At vero eos et accusamus et iusto odio dignissimos ducimus, qui blanditiis praesentium voluptatum deleniti atque corrupti, quos dolores et quas molestias excepturi sint, obcaecati cupiditate non provident, similique sunt in culpa, qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio, cumque nihil impedit, quo minus id, quod maxime placeat, facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Temporibus autem quibusdam et aut officiis debitis aut rerum necessitatibus saepe eveniet, ut et voluptates repudiandae sint et molestiae non recusandae. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

V2BlockBuster2K avatar May 28 '23 15:05 V2BlockBuster2K

This issue can be bypassed by setting the value attribute using SetAttribute and then it shows the full text!! This:

ml := iup.MultiLine().SetAttributes("EXPAND=YES, VALUE=\"" + file_txt + "\"")

To that:

ml := iup.MultiLine().SetAttributes("EXPAND=YES)
ml.SetAttribute("Value", file_txt)

V2BlockBuster2K avatar May 29 '23 10:05 V2BlockBuster2K