Created attachment 147046 [details]
An example of what it is and what I suggest it to be

SUMMARY

Especially during the past two years i have been using kruler in online video calls in combination with "Mouse mark" dekstop effect to be able to draw on my screen and explain what I'm presenting better. Quite frequently I get to the point that I want to draw a straight line in a graph and I have the kruler open already. It feels natural to be able to draw the line with the assistance of a ruler (very similar to IRL), so the feature I'm proposing is to be able to activate the mouse stickiness for the edges of the ruler. This can/should be disabled by default, but with the increase in touch screens and online presentations, I feel this is an essential feature missing from this great and handy tool.

In the attached screenshot I have drawn one line above the ruler with mouse showing what it currently looks like, and drawn one line in an image editor to represent a perfect line if this feature is implemented.

I wish I was a C++ dev to create a PR/MR for this, but my knowledge about C++ and Qt are not vast enough. I'll be happy to assist in any shape or for that is within my skills and ability, just name it.

Cheers,