3
6.3 Getting Window Information 97
current input event mask: 0xfa2033
KeyPressMask KeyReleaseMask EnterWindowMask
LeaveWindowMask ButtonMotionMask StructureNotifyMask
SubstructureNotifyMask SubstructureRedirectMask FocusChangeMask
PropertyChangeMask ColormapChangeMask
number of visuals: 80
default visual id: 0x21
visual:
visual id: 0x21
class: TrueColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
visual:
visual id: 0x22
class: DirectColor
depth: 24 planes
available colormap entries: 256 per subfield
red, green, blue masks: 0xff0000, 0xff00, 0xff
significant bits in color specification: 8 bits
...snipped...
I??™ve highlighted the most useful general information in this output: the X server version
number, the list of available extensions, and the root information for each
screen (including the monitor size, resolution, dots per inch, and color depth).
This information can be used to confirm that your X server configuration file is being
processed properly. It can also be used to quickly examine the configuration of a display
without digging into the server configuration file??”and it works with all X servers,
regardless of the vendor.
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