Fix and simplify user avatar loading

The old code did several things we don't want or need anymore.
1) Lots of cairo drawing to achieve a rounded rectangle as border for
the user avatar.
2) Lots of file checks, which we don't really need as
gdk_pixbuf_new_from_file gives us a proper error message if the image
cannot be loaded. The old code contained no workarounds for when an
image file didn't comply, so we may as well rely on gdk to decide.

Zhang Xianwei authored 6 years ago and Sean Davis committed 6 years ago

Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
Signed-off-by: Sean Davis <smd.seandavis@gmail.com>

Victor Kareh authored 6 years ago and Sean Davis committed 6 years ago

Signed-off-by: Sean Davis <smd.seandavis@gmail.com>

Merge branch 'fullscreen-buttons' of https://github.com/ochosi/xfce4-screensaver into ochosi-fullscreen-buttons

Somehow this isn't enough.

Improve panel

The .panel and .xfce4-panel style classes will both be picked up to
style the panel more nicely by default.
Also, the quite hectic time in seconds is changed to a time in minutes,
which should provide enough detail for a simple (un)lock screen.

Drop leave-message feature

Also cleanup unneeded widgetry (GtkNotebooks etc).

Improve layout and theming

These theming tweaks should work with all themes that support
lightdm-gtk-greeter (like Greybird).