Host names like this: bw-1651cf0d2f737d7ad

Duplicate: <a class="issue-link js-issue-link" data-error-text="Failed to load title"

Which is a duplicate of <a class="issue-link js-issue-link" data-error-text="Failed to

<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="25

GUI: Long host names going under matrix make it impossible to read the domain about umatrix HOT 5 CLOSED

levicki commented on August 10, 2024

GUI: Long host names going under matrix make it impossible to read the domain

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Comments (5)

ArchangeGabriel commented on August 10, 2024

Duplicate: #182

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levicki commented on August 10, 2024

Which is a duplicate of #46, an almost four year old issue. Is it impossible to fix?

I see Raymond's comment about browser rendering the text and uMatrix not knowing it will be cut, but it seems to be possible to check the text width in pixels by using invisible DIV:

https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript

I am not sure how much that would slow the rendering though?

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theWalkingDuck commented on August 10, 2024

A clean solution would be adding a title attribute whenever the host name exceeds a certain length.

<div title="bw-1651cf0d2f737d7adeab84d339dbabd3-bwcore.s3.amazonaws.com" class="matCell ....">
	<b>bw-1651cf0d2f737d7adeab84d339dbabd3-bwcore.s3.amazonaws.com</b> 
</div>

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uBlock-user commented on August 10, 2024

gorhill/httpswitchboard#133 (comment)

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levicki commented on August 10, 2024

Well it turns out that in HTML5 you can use canvas to measure text width:

function getTextWidth(text, font) {
    // if given, use cached canvas for better performance
    // else, create new canvas
    var canvas = getTextWidth.canvas || (getTextWidth.canvas = document.createElement("canvas"));
    var context = canvas.getContext("2d");
    context.font = font;
    var metrics = context.measureText(text);
    return metrics.width;
};
...
getTextWidth("bw-1651cf0d2f737d7adeab84d339dbabd3-bwcore.s3.amazonaws.com", "bold 12pt arial");

This shouldn't slow down the popup, @gorhill what do you think Raymond?

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