Accelerate roller speed

[Jerrywang2009]

Is there an existing issue for this?

• I have searched the existing issues

Is this feature provided in the master branch?

• I have checked the changelog

The problem you are facing

While writing long codes, I find it very slow to roll from the top to the bottom.

Describe the feature you'd like

The roller speed can be accelerated so that if you roll the mouse wheel once, get three lines down at least.

Describe alternatives you've considered

No response

Are you willing to contribute to this?

• I'm ready to contribute to this (and will open a PR soon)
• I'd like to have a try (with the help of the maintainers)
• No, thanks

Anything else?

No response

[ouuan]

I think it already gets three lines down per roll 🤔 How many lines per roll on your machine?

We may add a setting for this, but I doubt how useful it would be. Do we set it globally, only for the code editor, or separately for each scrollable widget?

[Jerrywang2009]

Just one line per roll :( I recommend to set it globally.
Recently, I'm solving some problems on Graph Theory.
You know, the graph algorithms requires a lot of variables,
so I have to scroll up, define them, scroll down, write the algorithms...

[ouuan]

What's your OS?

[Jerrywang2009]

Windows 10

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[flyingpig233-cpu]

I have the same need as you.

[coder3101]

Do we use QTextEdit or QPlainTextEdit in master and in stable?

I read that QTextEdit scrolls per pixel whereas later scrolls per lines.

[y-kx-b]

I have the same need as you.
Windows10，two(2.2?) lines per roll, font size is 17