The 'mode_sigh' function allows the client to receive notifications
about server-side display-mode changes. To respond to such a signal, the
client can use the new 'release' function, which acknowledges the mode
change at the server and frees the original framebuffer dataspace. Via a
subsequent call of 'dataspace', a framebuffer dataspace corresponding to
the new mode can be obtained. Related to issue #11.
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Nitpicker is the low-level GUI server of Genode. For the general concepts,
please refer to the following document:
:A Nitpicker’s guide to a minimal-complexity secure GUI:
[http://genode-labs.com/publications/nitpicker-secure-gui-2005.pdf]
Configuration
~~~~~~~~~~~~~
Nitpicker supports the following configuration options, supplied via
Genode's config mechanism.
:Tinting of clients in X-Ray mode:
Nitpicker allows for assigning a color to single clients or a groups
of clients based on the client's label. The following configuration
tints all views of the launchpad subsystem in blue except for those
views that belong to the testnit child of launchpad.
! <config>
! <policy label="launchpad" color="#0000ff"/>
! <policy label="launchpad -> testnit" color="#ff0000"/>
! </config>
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