[Bug 41544] New: Pressing L-ALT key loses focus from game

https://bugs.winehq.org/show_bug.cgi?id=41544

Bug ID: 41544
           Summary: Pressing L-ALT key loses focus from game
           Product: Wine-staging
           Version: 1.9.20
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail],
                    [e-mail]
      Distribution: ---

Uppon started game, after I press button L-ALT, the game lose mouse focus.
Focus mouse pointer is in system (above the game window). After another
pressing L-ALT, or mouse click focus is returned to game.

Affected (tested) games: World Of Tanks (patch 0.9.16), World Of Warplanes
(patch 1.9.6).

How to reproduce:
Fresh instalation WOT and WOWP using this guide for WOT:
https://www.youtube.com/watch?v=CTU0vICF9O4

WOT:
1.9.20-staging L-ALT problem present
1.9.19-staging (or lower): wot not work

WOWP:
1.9.20-staging L-ALT problem present
1.9.19-staging (or lower): L-ALT work correctly

Tested on:
- old installed game WOT
- fresh installed WOT (using guid on youtube)
- fresh installed WOWP (using guid on youtube for WOT)

System: UBUNTU 14.04 LTS x86_64, Graphics: GeForce GT640 (driver 340, tested
also version 372), 8GB RAM, CPU: i5