When you click "MATH Formula Doc" and see a new document and area with tools.
The area where displayed variants of formulas, the windows with variants is really so blinking. And when you change a kind of formulas, the area is still blinking.
You mean when you move your mouse over them, they are flashing/refreshing annoyingly?
I can confirm that on Windows, but not on Linux.
Lowering priority as this is just a small eyesore: https://wiki.documentfoundation.org/images/0/06/Prioritizing_Bugs_Flowchart.jpg
Win 7 Pro 64-bit, LibO Version: 220.127.116.11
Build ID: 45e2de17089c24a1fa810c8f975a7171ba4cd432
Version: 18.104.22.168.alpha0+ (x64)
Build ID: 5a009a4387a84a36d2e3418c7e7b097cb10c3f5a
TinderBox: Win-x86_64@42, Branch:master, Time: 2015-03-04_15:00:21
Ubuntu 14.10 64-bit
Build ID: 40m0(Build:2)
That will only occur when Tools -> Options -> Advanced: "Enable Experimental Features" is checked on, activating the non-double buffered "Visual" formula editor.
In normal mode, with our without the formula cursor active, there is no visual annoyance.
Please retest both with and without Enable Experimental Features to see the difference.
At some point work is needed to resolve the display paint buffering issue.
(In reply to V Stuart Foote from comment #2)
> That will only occur when Tools -> Options -> Advanced: "Enable Experimental
> Features" is checked on, activating the non-double buffered "Visual" formula
You are right. No blinking for me on Windows, LibO 4.4.1.
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This remains a valid issue. AFIR it is an issue with lackof double buffering when in the experimental visual mode.
Commits implementing HarfBuzz common layout for bug 89870 have resolved this.
Using HarfBuzz common layout with OpenGL rendering lack of double buffering is no longer a problem.
With GDI+ default rendering still a bit too much flicker. But for folks with OpenGL rendering capabilities this is fixed.
Although it still needs some work in general the "visual" editor could probably be moved from experimental feature status with this change in layout engine.