Use QT_DEVICE_PIXEL_RATIO=auto on Qt<=5.5 to enable automatic
scale factor settings on Windows. Also move the existing
Qt::AA_EnableHighDpiScaling logic to use the equivalent
QT_AUTO_SCREEN_SCALE_FACTOR=1 environment variable just to
keep the 5.5 and >=5.6 code at the same place.
This has been fixed in the meanwhile, but we are still shipping
with Qt 5.4. Also, some Linux Distros will still have older Qt
versions.
Addresses issue #4301
Introduce a global ExcludedFiles instance to avoid loading the global
exclude lists several times.
One could still add per-folder exclude lists by checking these after
the global ones.
This moves the responsibility of asking the user or not for
credentials from the Credentials classes back to the AccountState.
fetch() now only extract credentials from the keychain, reports
the result to the AccountState which then decides if askFromUser()
should be called or not. The result is once more reported to the
AccounState.
This also replaces the HttpCredentials::queryPassword virtual
which now lets HttpCredentialsGui and HttpCredentialsText do it
the way that they prefer.
The original problem is that showing a popup not originated
from the main settings window while it's focused won't be
shown in front to the user.
This try not to highjack the user's attention of the user
by showing a notification when checking the connection for
valid credentials, and require the user to sign in through
the UI. There are still issues with showing that popup from
the tray icon, but the user will most likely be looking for
the popup in that case. The new sign in button directly in
the settings account works properly.
Together with the updater timer, check on linux, if the version on the
disk has still the same version string as the one that is running. If
not, restart if nothing is currently syncing.
* Show connection errors for all failing accounts in the tooltip.
* Don't hide the 'service unavailable' state. We don't want intrusive
pop ups, but we don't want to pretend we're syncing when we aren't.
* Show sync-running icon also for SyncPrepare state. In my tests I
very rarely saw the sync-running icon before.
application.cpp still had a global folder syncing on/off switch
when an account connected or disconnected. That couldn't work with
multiaccount.
Instead FolderMan listens to accountStateChanged messages and
schedules or de-schedules the folders for accounts that change state.