The 2 seconds is arbitrarily chosen. The problem seems to be that
Valve's own overlays are not being initialized before custom overlays,
leading to the Desktop overlay sometimes not being present when our
overlay initializes.
The second if statement inside the first one checking a second time is
definitely a little disgusting, but for now it gets the job done.
The 4.0 default was arbitrarily chosen by whoever decided to initialize
the variable in the class.
* use QStandardPaths to get resource locations
While this shouldn't change behaviour for windows, it allows installing the resource files seperate from the binary on unix systems
* initialize battery overlay handles to 0
The sendKeyboardBackspace function was used with a non-const parameter
throughout the entire inheritance hierachy. Const has been added to
every parameter for the reasons you add const.
Vasily
Robin Appelman
matzman