This page is a part of XSecurePro64 online Help Manual.
XSecurePro64 is X Server for windows by Labtam bringing your PC to Unix and X-Windows. Visit Home of X Server for windows for more information.



The Screen Tab


The Screen Settings Box

Enable Animation

If checked, this check box causes XServer to more precisely display color images.

Local Screen Saver

If enabled, this check box causes a Local Screen Saver program to be run (for the XServer's Full Screen and Single modes only).

Forced Backing Store

This option can be used if the Backing Store mode is enabled. (See the Advanced Tab.)

If this check box is checked, the Backing Store mode will be used with all X clients. The option will cause XServer to use Backing Store on all windows, even if the X-application does not request it.

Certain X-applications will request the Backing Store mode on windows that are complicated to draw. If this check box is clear, XServer will only use Backing Store on those windows that the X-application does request it.

Enable RENDER Extension

This option enables XServer to use the RENDER extension (not available in the 8-bits X depth mode). This also provides a wider range of available pixmap depths.

Color Mouse Cursor

If this check box is checked, then XServer is allowed to use the color mouse cursor when X clients use it.


The Display Number Box

Display Number

You can specify a display number for a particular X-session. This allows you to run simultaneously several X-sessions, each with different Display Number (e.g., several Window Managers). Section Running Several X-sessions in chapter Using XServer describes examples of using the Display Number setting.

According to X11 documentation, from the user's prospective, every X server has a display name of the form: hostname:displaynumber.screennumber .This information is used by the application to determine how it should connect to the server and which screen it should use by default (on displays with multiple monitors).

The hostname specifies the name of the machine to which the display is physically connected. For the TCP/IP type of connections, the hostname part of the display name should be the server machine's IP address name. Full Internet names, abbreviated names, and IP addresses are all allowed.

The phrase DisplayNumber is usually used to refer to collection of monitors that share a common keyboard and pointer (mouse, tablet, etc.). Most workstations tend to only have one keyboard, and therefore, only one display. Larger, multi-user systems, however, frequently have several displays so that more than one person can be doing graphics work at once. To avoid confusion, each display on a machine is assigned a display number (beginning at 0) when the X server for that display is started. The display number must always be given in a display name.

Some displays share a single keyboard and pointer among two or more monitors. Since each monitor has its own set of windows, each screen is assigned a screen number (beginning at 0) when the X server for that display is started. If the screen number is not given, screen 0 will be used.

Each Display Number corresponds to the known Port Number of XServer (0-6000, 1-6001, etc.).

Note that output log files for different Display Numbers have different names, xserver[N].out, with N being Display Number.

Auto

This check box enabled activates XServer to dynamically generate Display Number.

In this mode, any new X-session will have new Display Number and a lot of XServer instances (X-sessions) can be started with no changes in the ini-file. This feature is especially useful with NT/2000 Terminal Servers.

Note: no XServer instances must use equal Display Numbers when running simultaneously on your system (even for different users).


The Virtual Root Size Box

When you select either Single or Full Screen modes for XServer, you can fill in the Width and Height fields. This lets you set the default size in pixels for the XServer's root window. You can make the virtual screen size larger than your display if you want to (e.g., for multi-monitor systems).

The maximum virtual root size is limited by the expression of "width*height sq. pixels <= 56Mbyte" pixels.

Fit to Screen Size

If selected, this check box allows you to skip input for virtual Width and Height. XServer will use the values returned by the MS Windows display driver for a single display.

If this check box is clear, you can specify the Width and Height fields as the default size in pixels that XServer will use for its root window.

If the Width and/or Height fields are zero or negative values, then the actual screen size will be the sum of the value and the corresponding dimension of the PC's screen. For Multiple and Multiple+RWM modes, the "0" and "-1" values are only allowed.


The X depth (bits per pixel) Box

These radio buttons let you choose the color depth and visual mode that XServer will use:
- 8-bit or 256-color visual mode (up to 256 colors);
- 16-bit or HiColor visual mode (up to 65536 or 32768 colors);
- 24-bit or TrueColor visual mode (up to 16777216 colors).

The Auto choice causes XServer to use current video settings of MS Windows (except for 32-bit, in which case XServer can use up to the 24-bit mode).

Note: if MS Windows is set up to the 8-bit visual mode (256 colors), then XServer will use the same mode.


The FullScreen Mode Box

  • Minimize on Activity Losing

    If this check box is enabled, the XServer's window will be iconified each time the focus changes to another window. Otherwise, it can be obscured by other windows.


The Image Format Box

  • LSB

    This sets up the Image Format to the LSB (Least Significant Byte/Bit first) mode (when every X client must work with XServer using imageByte- and bitmapBit- orders in the LSB format; e.g., X clients on Intel-platform machines).

    This is the default setting (since XServer works with X clients without Image Format conversion).

  • MSB

    This sets up the Image Format to the MSB (Most Significant Byte/Bit first) mode (when every X client must work with XServer using imageByte- and bitmapBit- orders in the MSB format; e.g., X clients on SUN workstations).

  • Auto

    This specifies that X clients will define the Image Format for XServer.


Default

This button sets up the default values for check boxes and edit fields in the tab.


The GLX Extension Box

The GLX Extension check box enables XServer to work with X clients that use OpenGL.

XServer can work with a number of X clients simultaneously (in a multi-thread mode of GLX), and X clients may create several GLX windows.

Use Single Buffer

This button allows XServer and X clients to use one buffer for GLX operations (the GLX Single-Buffer mode).

Use Double Buffer

This button allows XServer and X clients to use two buffers for GLX operations (the GLX Double-Buffer mode). This is the default mode.

Use Mesa Emulation

This check box allows XServer and X clients to use Mesa.

Use the Mesa Emulation mode together with the Enable RENDER Extension check box selected.

Mesa is an open-source implementation of the OpenGL specification. OpenGL is a programming library for writing interactive 3D applications. Mesa 5.x supports the OpenGL 1.4 specification. Mesa is used as the core of the open-source XFree86/DRI hardware drivers. Mesa allows OpenGL to be used on systems that have no other OpenGL solution. See www.mesa3d.org for more information.






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