Touchscreen scrolling of code windows is no good

Scrolling code with touchscreen has problems:

• it can't be scrolled with one finger, like in most other Windows programs. If I drag the code with one finger, text is selected instead.
• it can be scrolled with two-finger drag, but text is selected as I do it. Occasionally, selected text is drag-dropped in the process, messing up the code.

This is my humble request to rectify touchscreen scrolling of code. I'd like it to work with one finger. I can live with two-finger scrolling, but please at least prevent it select text.

Selecting text with finger drag is pretty useless, as it's really hard to get it precise. I usually use keyboard to select text. But using touch to put cursor at or close to right location is still desirable.

This also applies to most of other scrollable windows in Qt Creator.

I'm using:
Qt Creator 4.2.1
Based on Qt 5.8.0 (MSVC 2015, 32 bit)
Built on Jan 20 2017 01:29:39
From revision 7071b61e02

Windows 10 64-bit
N-trig touchscreen/pen digitizer on Sony Vaio Duo 11