4. Resources
Resource files
In general gv does not depend on any external resource files. However, when starting gv, preferences are read from
- a system specific resource file. The name of this file is as described by the "XFILESEARCHPATH" environment variable, or, if this variable is not defined, implementation dependant. In most cases it is "/usr/X11/lib/X11/app-defaults/GV". Administrators may want to modify this file in order to set up gv according to the local needs of their system.
- a user specific resource file. The name of this file is either "~/.gv" or as described by the "XUSERFILESEARCHPATH" environment variable.
The files "gv_user.ad" and "gv_system.ad" (located in the library directory of gv, which is most probably either "/usr/local/lib/gv/" or "/usr/lib/gv/" may serve as a basis for constructing the user and system specific resource files.
Note that the user and system specific resource files are not the only sources of preferences taken into account when gv is started. However, in practice these are the most important.
Resources of gv
The following describes some of the resources of gv. The precise syntax of some of the resource values may be inferred from the appended default system specific resource file.
- antialias
Whether antialiasing should be used. Valid values are "True" and "False".
- autoCenter
Whether the displayed page should automatically be centered (for instance when opening a new file). Valid values are "True" and "False".
- autoResize
Whether gv is allowed to resize the main window according to the size of the current page. Valid values are "True" and "False".
- confirmPrint
Whether printing requires an extra confirmation. Valid values are "True" and "False".
- confirmQuit
Whether leaving gv requires extra confirmation. Valid values are "0" (Never), "1" (When processing) and "2" (Always). The default value is "1", which causes a confirmation request when trying to leave gv in the presence of pending PDF to Postscript conversions.
- scrollingEyeGuide
If this resource is "True" scrolling via the keyboard causes a temporary border to be drawn around the previously visible area of the page. Allowed values are "True" and "False".
- ignoreEOF
Defines the behaviour of the postscript scanner as described in the Options section. Valid values are "True" and "False".
- respectDSC
Determines whether gv should attempt to respect document structuring comments. Valid values are "True" and "False".
- reverseScrolling
Defines the interpretation of directions when scrolling with the mouse. Valid values are "True" and "False".
- swapLandscape
Whether the meaning of "landscape" and "seacape" should be interchanged. Valid values are "True" and "False".
- scratchDir
Specifies a directory used to store temporary data.
- defaultSaveDir
Specifies the default destination directory for files to be saved.
- useBackingPixmap
If the value of this resource is "False" the X Server is advised that saving off-screen pixels of the displayed page would be beneficial (maintaining backing store). In this case gv does not actively maintain the contents of the page but relies on the X Server. The server is, however, always free to stop maintaining backing backing store. If the value of this resource is "True" the X Server is advised that maintaining backing store is not useful. In this case gv attempts to allocate a sufficiently large pixmap to store the contents of the displayed page.
- watchFile
Whether the document should be checked periodically and updated automatically if changes are detected. Valid values are "True" and "False".
- watchFileFrequency
Defines the time in milliseconds elapsing between successive checks of the document when watchFile is set to "True". Allowed values must be larger than 500.
- printCommand
The command used for printing a file. The command may contain multiple '%s' wildcards which will be replaced by the name of the file to be printed.
- gsInterpreter
The command used to start the ghostscript interpreter.
- gsCmdScanPDF
The command used to extract document structuring comments from a PDF file.
- gsCmdConvPDF
The command used to convert a PDF file to PostScript.
- gsX11Device
The ghostscript command line option which activates the "X11" device.
- gsX11AlphaDevice
The ghostscript command line option which activates the "X11" device with antialiasing enabled.
- gsSafer
Determines whether ghostscript should be started with the "-dSAFER" command line option.
- gsQuiet
Determines whether ghostscript should be started with the "-dQUIET" command line option.
- gsArguments
May be used to provide additional command line options for the ghostscript interpreter. Starting gv with the "-arguments <arguments>" option will override this resource setting.
- magMenu
Describes the menu that pops up when preparing to to zoom an area of the displayed page.
- dirs
Defines a list of directories accessible via the Directories menu in the file selection window. The special value "Home" corresponds to the users home directory, the value "Tmp" corresponds to the scratch directory as defined by the scratchDir resource.
- filter
Defines the default filter to be used when displaying a directory contents in the file selection window. A filter is specified according to the syntax
<filter> := [<filespecs>] [no <filespecs>] <filespecs> := <filespec> [<filespecs>] <filespec> := filename possibly including wildcards '*' which match any character.Example: The filterGV*filter: *.ps *.pdf no .*
screens out all files with names starting with a dot and keeps of the remaining ones only those which end on ".ps" or ".pdf".- filters
Defines a list of filters offered in the Filters menu of the file selection window. The filter "None" has a special meaning causing all files to be displayed when the corresponding menu entry is selected.
- miscMenuEntries
Describes the menu that pops up when clicking with the third mouse button on the displayed page. The value of this resource is a list of menu entries. Allowed entries are "update", "redisplay", "toggle_current", "toggle_even", "toggle_odd", "unmark", "stop", "print_all", "print_marked", "save_all", "save_marked" and "line".
- showTitle
Whether the name of the displayed document should be shown in the title bar of the window. The name of gv's icon will also change accordingly if this resource is set to "True".
- maximumWidth, maximumHeight
When resizing gv will not attempt to exceed the size specified by these resources. These resources may be specified as a positive integer or as "screen", optionally combined with a positive or negative offset. The default values listed above provide examples for this syntax. "screen" will automatically be replaced by the size of the screen.
- minimumWidth, minimumHeight
Defines a minimum size for the main window. Valid values for both resources are positive integers larger than 200.
- scale
Sets the initial scale. The value of this resource is the offset of the scale to be selected relative to the scale 1.0 in the the "Scale" menu.
- scaleBase
Selects the initial scale base. The value of this resource should be a positive integer.
- scales
Defines the available scales bases and scales in the "Scale" menu.
- orientation
Sets the initial orientation. Valid values are "portrait", "landscape","seascape", "upside-down" and "automatic". "automatic" causes gv to attempt to derive the correct orientation from document structuring comments.
- fallbackOrientation
Defines the paper-size to be used when automatic orientation detetction fails. Valid values are "portrait", "landscape","seascape" and "upside-down".
- medias
A list describing the page medias known to gv. List entries starting with "!" or "#" will not appear in the "Media" menu but will still be used for automatic paper size detection.
- pagemedia
Sets the paper size. Allowd values are as given in the above list of paper-sizes. Specifying "automatic" causes gv to attempt to derive the correct paper-size from document structuring comments.
- fallbackPageMedia
Defines the paper-size to be used when automatic paper-size detetction fails. Valid values are as given in the above list of paper-sizes.
The default user and system specific resource file
GV.pageMedia: automatic
GV.orientation: automatic
GV.fallbackOrientation: portrait
GV.swapLandscape: False
GV.autoCenter: True
GV.antialias: False
GV.respectDSC: True
GV.ignoreEOF: True
GV.confirmPrint: True
GV.reverseScrolling: False
GV.scrollingEyeGuide: True
GV.autoResize: True
GV.maximumWidth: screen-20
GV.maximumHeight: screen-44
GV.minimumWidth: 400
GV.minimumHeight: 430
GV.confirmQuit: 1
GV.watchFile: False
GV.watchFileFrequency: 1000
GV.showTitle: True
GV.miscMenuEntries: redisplay \n\
# update \n\
stop \n\
line \n\
toggle_current \n\
toggle_even \n\
toggle_odd \n\
unmark \n\
line \n\
print_all \n\
print_marked \n\
save_all \n\
save_marked
GV.scale: 0
GV.scaleBase: 1
GV.scales: Natural size, 1.000, screen \n\
Pixel based, 1.000, pixel \n\
0.100, 0.100 \n\
0.125, 0.125 \n\
0.250, 0.250 \n\
0.500, 0.500 \n\
0.707, 0.707 \n\
1.000, 1.000 \n\
1.414, 1.414 \n\
2.000, 2.000 \n\
4.000, 4.000 \n\
8.000, 8.000 \n\
10.00, 10.00
GV.medias: Letter, 612 792 \n\
# LetterSmall, 612 792 \n\
Legal, 612 1008 \n\
Statement, 396 612 \n\
Tabloid, 792 1224 \n\
Ledger, 1224 792 \n\
Folio, 612 936 \n\
Quarto, 610 780 \n\
# 7x9, 504 648 \n\
# 9x11, 648 792 \n\
# 9x12, 648 864 \n\
# 10x13, 720 936 \n\
10x14, 720 1008 \n\
Executive, 540 720 \n\
# A0, 2384 3370 \n\
# A1, 1684 2384 \n\
# A2, 1191 1684 \n\
A3, 842 1191 \n\
A4, 595 842 \n\
# A4Small, 595 842 \n\
A5, 420 595 \n\
# A6, 297 420 \n\
# A7, 210 297 \n\
# A8, 148 210 \n\
# A9, 105 148 \n\
# A10, 73 105 \n\
# B0, 2920 4127 \n\
# B1, 2064 2920 \n\
# B2, 1460 2064 \n\
# B3, 1032 1460 \n\
B4, 729 1032 \n\
B5, 516 729 \n\
# B6, 363 516 \n\
# B7, 258 363 \n\
# B8, 181 258 \n\
# B9, 127 181 \n\
# B10, 91 127 \n\
# ISOB0, 2835 4008 \n\
# ISOB1, 2004 2835 \n\
# ISOB2, 1417 2004 \n\
# ISOB3, 1001 1417 \n\
# ISOB4, 709 1001 \n\
# ISOB5, 499 709 \n\
# ISOB6, 354 499 \n\
# ISOB7, 249 354 \n\
# ISOB8, 176 249 \n\
# ISOB9, 125 176 \n\
# ISOB10, 88 125 \n\
# C0, 2599 3676 \n\
# C1, 1837 2599 \n\
# C2, 1298 1837 \n\
# C3, 918 1296 \n\
# C4, 649 918 \n\
# C5, 459 649 \n\
# C6, 323 459 \n\
# C7, 230 323 \n\
# DL, 312 624
GV.magMenu: 2, 2 \n\
4, 4 \n\
8, 8 \n\
16, 16 \n\
32, 32 \n\
64, 64
GV*Ghostview.background: white
GV*Ghostview.foreground: black
GV.gsInterpreter: gs
GV.gsCmdScanPDF: gs -dNODISPLAY -dQUIET -sPDFname=%s -sDSCname=%s pdf2dsc.ps -c quit
GV.gsCmdConvPDF: gs -dNODISPLAY -dQUIET -dNOPAUSE -sPSFile=%s %s -c quit
GV.gsX11Device: -sDEVICE=x11
GV.gsX11AlphaDevice: -dNOPLATFONTS -sDEVICE=x11alpha
GV.gsSafer: True
GV.gsQuiet: True
GV.gsArguments:
GV.uncompressCommand: gzip -d -c %s > %s
GV.printCommand: lpr
GV.scratchDir: ~/
GV.defaultSaveDir: ~/
GV.fallbackPageMedia: a4
GV.useBackingPixmap: True
GV*dirs: Home\n\
Tmp\n\
/usr/doc\n\
/usr/local/doc
GV*filter: no .*
GV*filters: None\n\
*.*ps* *.pdf* no .*\n\
*.*ps* no .*\n\
*.pdf* no .*\n\
no .*
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