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authorSven Willner <sven.willner@gmail.com>2018-09-13 15:47:18 +0200
committerSven Willner <sven.willner@gmail.com>2018-09-13 15:47:18 +0200
commit4ca5b177bbaf656611dd253d7c8e37317b5b186f (patch)
tree5f66934df56dfcbe11364bda57899d078511c3c8 /man/feh.pre
parent3671b53046afbeced26162fc413fcfb7971116b9 (diff)
parent9241e8faa78cc02c08537ed0bd7b236d172c3ed7 (diff)
Merge branch 'master' of github.com:derf/feh
Diffstat (limited to 'man/feh.pre')
-rw-r--r--man/feh.pre755
1 files changed, 468 insertions, 287 deletions
diff --git a/man/feh.pre b/man/feh.pre
index b258b2b..e1ade10 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -13,7 +13,7 @@
.
.Nm
.Op Ar options
-.Op Ar files No | Ar directories No | Ar URLs ...
+.Op Ar files | Ar directories | Ar URLs ...
.
.
.Sh VERSION
@@ -24,7 +24,8 @@ $VERSION$
.
.Pp
.
-Compile-time switches: libcurl support $MAN_CURL$, Xinerama support
+Compile-time switches: libcurl support $MAN_CURL$, natural sorting support
+$MAN_VERSCMP$, Xinerama support
$MAN_XINERAMA$, builtin EXIF support $MAN_EXIF$, inotify support
$MAN_INOTIFY$$MAN_DEBUG$
.
@@ -32,9 +33,9 @@ $MAN_INOTIFY$$MAN_DEBUG$
.Sh DESCRIPTION
.
.Nm
-is a mode-based image viewer. It is especially aimed at command line users who
-need a fast image viewer without huge GUI dependencies, though it can also be
-started by
+is a mode-based image viewer.
+It is especially aimed at command line users who need a fast image viewer
+without huge GUI dependencies, though it can also be started by
.Pq graphical
file managers to view an image.
By default
@@ -46,7 +47,8 @@ displays all files in the current directory.
.
.Nm
supports filelists, various image sorting modes, image captions, HTTP and more.
-Configurable keyboard and mouse shortcuts are used to control it.
+It can be controlled by configurable keyboard and mouse shortcuts, terminal
+input and signals.
.
.Pp
.
@@ -74,8 +76,9 @@ options.
.
.Pp
.
-Slideshow mode is the default. It opens a window and displays the first
-image in it; the slideshow position can be advanced
+Slideshow mode is the default.
+It opens a window and displays the first image in it;
+the slideshow position can be advanced
.Pq or otherwise changed
using keyboard and mouse shortcuts.
In slideshow mode, images can be deleted either from the filelist or from the
@@ -86,14 +89,17 @@ An image can also be read from stdin via
.
.Pp
.
-Montage mode forms a montage from the filelist. The resulting image can be
-viewed or saved, and its size can be limited by height, width or both.
+Montage mode forms a montage from the filelist.
+The resulting image can be viewed or saved,
+and its size can be limited by height, width or both.
.
.Pp
.
-Index mode forms an index print from the filelist. Image thumbnails are shown
-along with the filename, filesize and pixel size, printed using a truetype
-font of your choice. The resulting image can be viewed or saved, and its size
+Index mode forms an index print from the filelist.
+Image thumbnails are shown along with the filename,
+filesize and pixel size, printed using a truetype
+font of your choice.
+The resulting image can be viewed or saved, and its size
can be limited by height, width or both.
.
.Pp
@@ -104,35 +110,45 @@ the selected image in a new window.
.Pp
.
Multiwindow mode shows images in multiple windows, instead of as a slideshow
-in one window. Don't use with a large filelist ;)
+in one window.
+Don't use with a large filelist ;)
.
.Pp
.
-List mode doesn't display images. Instead, it outputs an
+List mode doesn't display images.
+Instead, it outputs an
.Cm ls Ns No - Ns style
listing of the files in the filelist, including image info such as size, number
-of pixels, type, etc. There is also a Customlist mode which prints image info
+of pixels, type, etc.
+There is also a Customlist mode which prints image info
in a custom format specified by a printf-like format string.
.
.Pp
.
.Nm
can also list either all the loadable files in a filelist or all the
-unloadable files. This is useful for preening a directory.
+unloadable files.
+This is useful for preening a directory.
.
.
.Sh SUPPORTED FORMATS
.
.Nm
can open any format supported by Imlib2, most notably jpeg, png,
-pnm, tiff, and bmp. The gif format is also supported, but only for static
-images. In case of animations, only the first frame will be shown.
+pnm, tiff, and bmp.
+The gif format is also supported, but only for static images.
+In case of animations, only the first frame will be shown.
.
If the convert binary
.Pq supplied by ImageMagick
is available, it also has limited support for many other filetypes, such as
-svg, xcf and otf. Use
-.Cm --magick-timeout Ar num
+svg, xcf and otf.
+If dcraw is available,
+.Nm
+also supports RAW files provided by cameras and will display the embedded
+thumbnails.
+Use
+.Cm --conversion-timeout Ar num
with a non-negative value to enable it.
.
.
@@ -142,11 +158,13 @@ with a non-negative value to enable it.
.
.It Cm -A , --action Oo Ar flag Oc Ns Oo [ Ar title ] Oc Ns Ar action
.
-Specify a shell command as an action to perform on the image. In slideshow or
-multiwindow mode, the action will be run when the action_0 key is pressed, in
-list mode, it will be run for each file. In loadable/unloadable mode, it will
-be run for each loadable/unloadable file, respectively. In thumbnail mode,
-clicking on an image will cause the action to run instead of opening the image.
+Specify a shell command as an action to perform on the image.
+In slideshow or multiwindow mode, the action will be run when
+the action_0 key is pressed, in list mode, it will be run for each file.
+In loadable/unloadable mode, it will be run for each loadable/unloadable
+file, respectively.
+In thumbnail mode, clicking on an image will cause the action to run instead
+of opening the image.
.
.Pp
.
@@ -163,7 +181,7 @@ after
executing the action.
.
If
-.No [ Ar title ]
+.Ar [ title ]
is specified
.Pq note the literal Qo \&[ Qc and Qo ] Qc ,
.Cm --draw-actions
@@ -171,10 +189,12 @@ will display
.Ar title
instead of
.Ar action
-in the action list. Note that
+in the action list.
+Note that
.Ar title
-must not start with a space. If it does, the action is handled as if it did
-not have a title. This special case exists for backwards compatibility reasons
+must not start with a space.
+If it does, the action is handled as if it did not have a title.
+This special case exists for backwards compatibility reasons
and makes sure that actions like
.Qq \&[ -L %F \&] && foo
still work.
@@ -182,25 +202,22 @@ still work.
.
.Pp
.
-The action will be executed by /bin/sh. Use format specifiers to refer to
-image info, see
+The action will be executed by /bin/sh.
+Use format specifiers to refer to image info, see
.Sx FORMAT SPECIFIERS
-for details. Example usage:
+for details.
+Example usage:
.Qq feh -A Qo mv ~/images/%N Qc * .
.
.It Cm --action1 No .. Cm --action9 Oo Ar flag Oc Ns Oo [ Ar title ] Oc Ns Ar action
.
Extra actions which can be set and triggered using the appropriate number key.
.
-.It Cm --auto-reload
-.
-.Pq only if compiled with inotify=1
-automatically reload shown image if file was changed
-.
.It Cm --auto-rotate
.
-.Pq only if compiled with exif=1
-Automatically rotate images based on EXIF data. Does not alter the image files.
+.Pq optional feature, $MAN_EXIF$ in this build
+Automatically rotate images based on EXIF data.
+Does not alter the image files.
.
.It Cm -Z , --auto-zoom
.
@@ -210,19 +227,34 @@ Zoom pictures to screen size in fullscreen / fixed geometry mode.
.
Create borderless windows.
.
+.It Cm --cache-size Ar size
+.
+Set Imlib2 in-memory cache to
+.Ar size
+MiB.
+A higher cache size can significantly improve performance especially for small
+slide shows, however at the cost of increased memory consumption.
+.Ar size
+must be between 0 and 2048 MiB and defaults to 4.
+.
.It Cm -P , --cache-thumbnails
.
-Enable thumbnail caching in
-.Pa ~/.thumbnails .
-Only works with thumbnails <= 256x256 pixels.
+Enable thumbnail caching.
+Thumbnails are saved in
+.Pa $XDG_CACHE_HOME/thumbnails ,
+which defaults to
+.Pa ~/.cache/thumbnails .
+Note that thumbnails are only cached if the configured thumbnail size does
+not exceed 256x256 pixels.
.
.It Cm -K , --caption-path Ar path
.
-Path to directory containing image captions. This turns on caption viewing,
-and if captions are found in
+Path to directory containing image captions.
+This turns on caption viewing, and if captions are found in
.Ar path ,
which is relative to the directory of each image, they are overlayed on the
-displayed image. E.g. with caption path
+displayed image.
+E.g. with caption path
.Qq captions/ ,
and viewing image
.Qq images/foo.jpg ,
@@ -233,22 +265,17 @@ the caption will be looked for in
.
Don't display images, print image info according to
.Ar format
-instead. See
+instead.
+See
.Sx FORMAT SPECIFIERS .
.
-.It Cm --cycle-once
-.
-Exit
-.Nm
-after one loop through the slideshow.
-.
.It Cm -G , --draw-actions
.
Draw the defined actions and what they do at the top-left of the image.
.
.It Cm --draw-exif
.
-.Pq only if compiled with exif=1
+.Pq optional feature, $MAN_EXIF$ in this build
display some EXIF information in the bottom left corner, similar to using
.Cm --info
with exiv2 / exifgrep .
@@ -265,7 +292,8 @@ on a semi-transparent background to improve their readability
.
.It Cm -f , --filelist Ar file
.
-This option is similar to the playlists used by music software. If
+This option is similar to the playlists used by music software.
+If
.Ar file
exists, it will be read for a list of files to load, in the order they appear.
The format is a list of image filenames, absolute or relative to the current
@@ -276,7 +304,8 @@ directory, one filename per line.
If
.Ar file
doesn't exist, it will be created from the internal filelist at the end of a
-viewing session. This is best used to store the results of complex sorts
+viewing session.
+This is best used to store the results of complex sorts
.Pq Cm -Spixels No for example
for later viewing.
.
@@ -288,7 +317,8 @@ will be saved to
.Ar file
when
.Nm
-exits. You can add files to filelists by specifying them on the command line
+exits.
+You can add files to filelists by specifying them on the command line
when also specifying the list.
.
.Pp
@@ -302,8 +332,9 @@ will read the filelist from its standard input.
.
.It Cm -e , --font Ar font
.
-Set global font. Should be a truetype font, resident in the current directory
-or the font directory, and should be defined in the form fontname/points, like
+Set global font.
+Should be a truetype font, resident in the current directory or the font
+directory, and should be defined in the form fontname/points, like
.Qq myfont/12 .
.
.It Cm -C , --fontpath Ar path
@@ -331,7 +362,8 @@ Note: This option needs to load all images to calculate the dimensions of the
.Nm
window, so when using it with many files it will take a while before a
.Nm
-window is visible. Use
+window is visible.
+Use
.Cm --preload
to get a progress bar.
.
@@ -342,7 +374,8 @@ Note that in this mode, large images will always be scaled down to fit the
screen,
.Cm --zoom Ar zoom
only affects smaller images and never scales larger than necessary to fit the
-screen size. The only exception is a
+screen size.
+The only exception is a
.Ar zoom
of 100, in which case images will always be shown at 100% zoom, no matter
their dimensions.
@@ -351,20 +384,22 @@ their dimensions.
.
When combined with
.Cm --thumbnails ,
-this option only affects images opened from the thumbnail overview. The
-thumbnail list itself will still be windowed.
+this option only affects images opened from the thumbnail overview.
+The thumbnail list itself will still be windowed.
.
-.It Cm -g , --geometry Oo Ar width No x Ar height Oc Op + Ar x No + Ar y
+.It Cm -g , --geometry Ar width Cm x Ar height | Cm + Ar x Cm + Ar y | Ar width Cm x Ar height Cm + Ar x Cm + Ar y
.
-Limit (and don't change) the window size. Takes an X-style geometry
+Limit (and don't change) the window size.
+Takes an X-style geometry
.Ar string
like 640x480 with optional +x+y window offset.
-Note that larger images will be zoomed out to fit, but you can see them at 1:1
-by clicking the zoom button.
+Use
+.Cm --scale-down
+to scale down larger images like in fullscreen mode.
.
Also note that this option does not enforce the geometry, changing it by a tiling
-WM or manually is still possible. After each resize, the resulting window size
-is used as the new size limit.
+WM or manually is still possible.
+After each resize, the resulting window size is used as the new size limit.
.
.It Cm -Y , --hide-pointer
.
@@ -373,16 +408,24 @@ Hide the pointer
.
.It Cm -B , --image-bg Ar style
.
-Use style as background for transparent image parts and the like.
-Accepted values: checks, white, black.
+Use
+.Ar style
+as background for transparent image parts and the like.
+Accepted values: default, checks, or an XColor
+.Pq eg. Qo black Qc or Qo #428bdd Qc .
.
-The default for windowed mode is checks, while fullscreen defaults to black.
+In windowed mode, the default is checks
+.Pq a checkered background so transparent image parts are easy to see .
+In fullscreen and background setting mode, checks is not accepted and the
+default is black.
.
.It Cm -i , --index
.
-Enable Index mode. Index mode is similar to montage mode, and accepts the
-same options. It creates an index print of thumbnails, printing the image
-name beneath each thumbnail. Index mode enables certain other options, see
+Enable Index mode.
+Index mode is similar to montage mode, and accepts the same options.
+It creates an index print of thumbnails, printing the image name beneath
+each thumbnail.
+Index mode enables certain other options, see
.Sx INDEX AND THUMBNAIL MODE OPTIONS
and
.Sx MONTAGE MODE OPTIONS .
@@ -391,8 +434,9 @@ and
.
Execute
.Ar commandline
-and display its output in the bottom left corner of the image. Can be used to
-display e.g. image dimensions or EXIF information. Supports
+and display its output in the bottom left corner of the image.
+Can be used to display e.g. image dimensions or EXIF information.
+Supports
.Sx FORMAT SPECIFIERS .
.
If
@@ -415,8 +459,9 @@ or in the current working directory.
.It Cm --insecure
.
When viewing files with HTTPS, this option disables strict hostname and peer
-checking. This allows images on sites with self-signed certificates to be
-opened, but is no more secure than plain HTTP.
+checking.
+This allows images on sites with self-signed certificates to be opened, but is
+no more secure than plain HTTP.
.
.It Cm --keep-zoom-vp
.
@@ -425,25 +470,27 @@ When switching images, keep zoom and viewport settings
.
.It Cm -l , --list
.
-Don't display images. Analyze them and display an
+Don't display images.
+Analyze them and display an
.Xr ls 1 - No style
-listing. Useful in scripts to hunt out images of a certain
-size/resolution/type etc.
+listing.
+Useful in scripts to hunt out images of a certain size/resolution/type etc.
.
.It Cm -U , --loadable
.
-Don't display images. Just print out their names if imlib2 can successfully
-load them.
+Don't display images.
+Just print out their names if imlib2 can successfully load them.
Returns false if at least one image failed to load.
.
-.It Cm --magick-timeout Ar timeout
+.It Cm --conversion-timeout Ar timeout
.
Stop trying to convert unloadable files after
.Ar timeout
-seconds. A negative value disables covert / magick support altogether, a value
-of zero causes
+seconds.
+Negative values disable conversion altogether, zero causes
.Nm
-to try indefinitely. By default, magick support is disabled.
+to try indefinitely.
+By default, conversion is disabled.
.
.It Cm --max-dimension Ar width No x Ar height
.
@@ -471,15 +518,18 @@ If you only care about one parameter, set the other to 0.
.
.It Cm -m , --montage
.
-Enable montage mode. Montage mode creates a new image consisting of a grid of
-thumbnails of the images in the filelist. When montage mode is selected,
-certain other options become available. See
+Enable montage mode.
+Montage mode creates a new image consisting of a grid of thumbnails of the
+images in the filelist.
+When montage mode is selected, certain other options become available.
+See
.Sx MONTAGE MODE OPTIONS .
.
.It Cm -w , --multiwindow
.
-Disable slideshow mode. With this setting, instead of opening multiple files
-in slideshow mode, multiple windows will be opened; one per file.
+Disable slideshow mode.
+With this setting, instead of opening multiple files in slideshow mode,
+multiple windows will be opened; one per file.
.
.It Cm --no-jump-on-resort
.
@@ -491,15 +541,50 @@ Don't load or show any menus.
.
.It Cm --no-screen-clip
.
-By default, window sizes are limited to the screen size. With this option,
-windows will have the size of the image inside them. Note that they may
-become very large this way, making them unmanageable in certain window
-managers.
+By default, window sizes are limited to the screen size.
+With this option, windows will have the size of the image inside them.
+Note that they may become very large this way, making them unmanageable
+in certain window managers.
.
.It Cm --no-xinerama
.
-Disable Xinerama support. Only makes sense when you have Xinerama support
-compiled in.
+.Pq optional feature, $MAN_XINERAMA$ in this build
+Disable Xinerama support.
+.
+.It Cm --on-last-slide Cm hold | Cm quit | Cm resume
+.
+Select behaviour when trying to select the next image on the last slide
+.Pq or the previous image on the first slide
+in a slide show.
+.
+.Pp
+.
+With
+.Cm hold ,
+.Nm
+will stop advancing images in this case and continue displaying the first/last
+image, respectively.
+This is intended for linear slide shows.
+Behaviour is unspecified when using other navigation commands than previous
+and next image.
+.
+.Pp
+.
+.Cm quit
+will cause
+.Nm
+to quit when trying to advance past the last image in the slide show.
+.
+.Pp
+.
+.Cm resume
+is the default behaviour: On the last
+.Pq first
+image,
+.Nm
+will wrap around to the first
+.Pq last
+image.
.
.It Cm -j , --output-dir Ar directory
.
@@ -510,23 +595,27 @@ By default, files are saved in the current working directory.
.
.It Cm -p , --preload
.
-Preload images. This doesn't mean hold them in RAM, it means run through
-them and eliminate unloadable images first. Otherwise they will be removed
-as you flick through. This also analyses the images to get data for use in
-sorting, such as pixel size, type etc. A preload run will be automatically
-performed if you specify one of these sort modes.
+Preload images.
+This doesn't mean hold them in RAM, it means run through them and eliminate
+unloadable images first.
+Otherwise they will be removed as you flick through.
+This also analyses the images to get data for use in sorting, such as pixel
+size, type etc.
+A preload run will be automatically performed if you specify one of these
+sort modes.
.
.It Cm -q , --quiet
.
-Don't report non-fatal errors for failed loads. Verbose and quiet modes are
-not mutually exclusive, the first controls informational messages, the second
-only errors.
+Don't report non-fatal errors for failed loads.
+Verbose and quiet modes are not mutually exclusive, the first controls
+informational messages, the second only errors.
.
.It Cm -z , --randomize
.
When viewing multiple files in a slideshow, randomize the file list before
-displaying. The list is re-randomized whenever the slideshow cycles (that is,
-transitions from last to first image).
+displaying.
+The list is re-randomized whenever the slideshow cycles (that is, transitions
+from last to first image).
.
.It Cm -r , --recursive
.
@@ -542,29 +631,32 @@ Useful to override theme options.
.
Reload filelist and current image after
.Ar int
-seconds. Useful for viewing HTTP webcams or frequently changing directories.
+seconds.
+Useful for viewing HTTP webcams or frequently changing directories.
.Pq Note that the filelist reloading is still experimental.
.
.Pp
.
If an image is removed,
.Nm
-will either show the next one or quit. However, if an image still exists, but
-can no longer be loaded,
+will either show the next one or quit.
+However, if an image still exists, but can no longer be loaded,
.Nm
will continue to try loading it.
.
.It Cm -n , --reverse
.
-Reverse the sort order. Use this to invert the order of the filelist.
+Reverse the sort order.
+Use this to invert the order of the filelist.
E.g. to sort in reverse width order, use
.Cm -nSwidth .
.
.It Cm -. , --scale-down
.
Scale images to fit window geometry (defaults to screen size when no geometry
-was specified). Note that the window geometry is not updated when changing
-images at the moment. This option is recommended for tiling window managers.
+was specified).
+Note that the window geometry is not updated when changing images at the moment.
+This option is recommended for tiling window managers.
.
This option is ignored when in fullscreen and thumbnail list mode.
.
@@ -587,7 +679,8 @@ Default: 20
.
For slideshow mode, wait
.Ar float
-seconds between automatically changing slides. Useful for presentations.
+seconds between automatically changing slides.
+Useful for presentations.
Specify a negative number to set the delay
.Pq which will then be Ar float No * (-1) ,
but start
@@ -596,15 +689,16 @@ in paused mode.
.
.It Cm -S , --sort Ar sort_type
.
-The file list may be sorted according to image parameters. Allowed sort types
-are: name, filename, dirname, mtime, width, height, pixels, size, format. For
-sort modes other than name, filename, dirname, or mtime, a preload run will be
-necessary, causing a delay proportional to the number of images in the list.
+The file list may be sorted according to image parameters.
+Allowed sort types are: name, filename, dirname, mtime, width, height, pixels,
+size, format.
+For sort modes other than name, filename, dirname, or mtime, a preload run will
+be necessary, causing a delay proportional to the number of images in the list.
.
.Pp
.
-The mtime sort mode sorts images by most recently modified. To sort by oldest
-first, reverse the filelist with --reverse.
+The mtime sort mode sorts images by most recently modified.
+To sort by oldest first, reverse the filelist with --reverse.
.
.It Cm -| , --start-at Ar filename
.
@@ -615,12 +709,14 @@ Note that at the moment,
.Ar filename
must match an
.Pq expanded
-path in the filelist. So, if the file to be matched is passed via an absolute
-path in the filelist,
+path in the filelist.
+So, if the file to be matched is passed via an absolute path in the filelist,
.Ar filename
-must be an absolute path. If the file is passed via a relative path,
+must be an absolute path.
+If the file is passed via a relative path,
.Ar filename
-must be an identical relative path. This is a known issue.
+must be an identical relative path.
+This is a known issue.
See also
.Sx USAGE EXAMPLES .
.
@@ -630,7 +726,8 @@ Load options from config file with name
.Ar theme
- see
.Sx THEMES CONFIG SYNTAX
-for more info. Note that commandline options always override theme options.
+for more info.
+Note that commandline options always override theme options.
The theme can also be set via the program name
.Pq e.g. with symlinks ,
so by default
@@ -646,8 +743,8 @@ Note that
.Cm --fullscreen
and
.Cm --scale-down
-do not affect the thumbnail window. They do, however, work for image windows
-launched from thumbnail mode.
+do not affect the thumbnail window.
+They do, however, work for image windows launched from thumbnail mode.
Also supports
.Sx INDEX AND THUMBNAIL MODE OPTIONS
as well as
@@ -657,19 +754,21 @@ as well as
.
Set
.Ar title
-for windows opened from thumbnail mode. See also
+for windows opened from thumbnail mode.
+See also
.Sx FORMAT SPECIFIERS .
.
.It Cm -^ , --title Ar title
.
-Set window title. Applies to all windows except those opened from thumbnail
-mode. See
+Set window title.
+Applies to all windows except those opened from thumbnail mode.
+See
.Sx FORMAT SPECIFIERS .
.
.It Cm -u , --unloadable
.
-Don't display images. Just print out their names if imlib2 can NOT
-successfully load them.
+Don't display images.
+Just print out their names if imlib2 can NOT successfully load them.
Returns false if at least one image was loadable.
.
.It Cm -V , --verbose
@@ -680,12 +779,23 @@ output useful information, progress bars, etc.
.
output version information and exit.
.
+.It Cm --version-sort
+.
+.Pq optional feature, $MAN_VERSCMP$ in this build
+Use natural sorting for file and directory names.
+In this mode, filenames are sorted as an ordinary human would expect, e.g.
+.Qq 2.jpg
+comes before
+.Qq 10.jpg .
+.
.It Cm --xinerama-index Ar screen
.
+.Pq optional feature, $MAN_XINERAMA$ in this build
Override
.Nm Ns No 's
-idea of the active Xinerama screen. May be useful in certain circumstances
-where the window manager places the feh window on Xinerama screen A while
+idea of the active Xinerama screen.
+May be useful in certain circumstances where the window manager places the feh
+window on Xinerama screen A while
.Nm
assumes that it will be placed on screen B.
.
@@ -697,18 +807,20 @@ Only set wallpaper on
.Ar screen .
All other screens will be filled black/white.
.
-This is most useful in a Xinerama configuration with
-overlapping screens. For instance, assume you have two overlapping displays
-(index 0 and 1), where index 0 is smaller. To center a background on the
-display with index 0 and fill the extra space on index 1 black/white, use
+This is most useful in a Xinerama configuration with overlapping screens.
+For instance, assume you have two overlapping displays (index 0 and 1),
+where index 0 is smaller.
+To center a background on the display with index 0 and fill the extra space
+on index 1 black/white, use
.Qq --xinerama-index 0
when setting the wallpaper.
.
-.It Cm --zoom Ar percent No | Cm max No | Cm fill
+.It Cm --zoom Ar percent | Cm max | Cm fill
.
Zoom images by
.Ar percent
-when in full screen mode or when window geometry is fixed. When combined with
+when in full screen mode or when window geometry is fixed.
+When combined with
.Cm --auto-zoom ,
zooming will be limited to the specified
.Ar percent .
@@ -741,14 +853,15 @@ When drawing thumbnails onto the background, set their transparency level to
.Ar int
.Pq 0 - 255 .
.
-.It Cm -b , --bg Ar file No | Cm trans
+.It Cm -b , --bg Ar file | Cm trans
.
Use
.Ar file
-as background for your montage. With this option specified, the montage size
-will default to the size of
+as background for your montage.
+With this option specified, the montage size will default to the size of
.Ar file
-if no size restrictions were specified. Alternatively, if
+if no size restrictions were specified.
+Alternatively, if
.Ar file
is
.Qq trans ,
@@ -757,8 +870,8 @@ the background will be made transparent.
.It Cm -X , --ignore-aspect
.
By default, the montage thumbnails will retain their aspect ratios, while
-fitting into thumb-width/-height. This options forces them to be the size set
-by
+fitting into thumb-width/-height.
+This options forces them to be the size set by
.Cm --thumb-width No and Cm --thumb-height .
This will prevent any empty space in the final montage.
.
@@ -792,8 +905,9 @@ without displaying it.
.It Cm -s , --stretch
.
Normally, if an image is smaller than the specified thumbnail size, it will
-not be enlarged. If this option is set, the image will be scaled up to fit
-the thumbnail size. Aspect ratio will be maintained unless
+not be enlarged.
+If this option is set, the image will be scaled up to fit the thumbnail size.
+Aspect ratio will be maintained unless
.Cm --ignore-aspect
is specified.
.
@@ -805,38 +919,25 @@ Set thumbnail height.
.
Set thumbnail width.
.
-.It Cm -J , --thumb-redraw Ar n
-.
-Only relevant for
-.Cm --thumbnails :
-Redraw thumbnail window every
-.Ar n
-images. In
-.Nm
-<= 1.5, the thumbnail image used to be redrawn after every computed thumbnail
-.Pq so, it updated immediately .
-However, since the redrawing takes quite long
-.Pq especially for thumbnail mode on a large filelist ,
-this turned out to be a major performance penalty.
-As a workaround, the thumbnail image is redrawn every 10th image now by
-default. Set
-.Ar n No = 1
-to get the old behaviour,
-.Ar n No = 0
-will only redraw once all thumbnails are loaded.
-.
.El
.
.
.Sh INDEX AND THUMBNAIL MODE OPTIONS
.
+In addition to
+.Sx MONTAGE MODE OPTIONS
+.Cm --alpha , --bg , --limit-height , --limit-width , --output , --output-only ,
+.Cm --thumb-height , --thumb-width ,
+the following options can be used.
+.
.Bl -tag -width indent
.
.It Cm --index-info Ar format
.
Show image information based on
.Ar format
-below thumbnails in index / thumbnail mode. See
+below thumbnails in index / thumbnail mode.
+See
.Sx FORMAT SPECIFIERS .
May contain newlines.
.
@@ -852,7 +953,8 @@ Note: If you specify image-related formats
needs to load all images to calculate the dimensions of its own window.
So when using them with many files, it will take a while before a
.Nm
-window becomes visible. Use
+window becomes visible.
+Use
.Cm --preload
to get a progress bar.
.
@@ -860,6 +962,26 @@ to get a progress bar.
.
Set font to print a title on the index, if no font is specified, no title will
be printed.
+.
+.It Cm -J , --thumb-redraw Ar n
+.
+Redraw thumbnail window every
+.Ar n
+images.
+In
+.Nm
+<= 1.5, the thumbnail image used to be redrawn after every computed thumbnail
+.Pq so, it updated immediately .
+However, since the redrawing takes quite long
+.Pq especially for thumbnail mode on a large filelist ,
+this turned out to be a major performance penalty.
+As a workaround, the thumbnail image is redrawn every 10th image now by default.
+Set
+.Ar n No = 1
+to get the old behaviour,
+.Ar n No = 0
+will only redraw once all thumbnails are loaded.
+.
.El
.
.
@@ -867,41 +989,37 @@ be printed.
.
In many desktop environments,
.Nm
-can also be used as a background setter. Unless you pass the
+can also be used as a background setter.
+Unless you pass the
.Cm --no-fehbg
option, it will write a script to set the current background to
.Pa ~/.fehbg .
So to have your background restored every time you start X, you can add
-.Qq sh ~/.fehbg &
+.Qq ~/.fehbg &
to your X startup script
.Pq such as Pa ~/.xinitrc .
-As of
-.Nm
-2.13, this script is executable, so
-.Qq ~/.fehbg &
-will work as well.
.
.Pp
.
Note that
.Nm
-does not support setting the wallpaper of GNOME shell desktops. In this
-environment, you can use
+does not support setting the wallpaper of GNOME shell desktops.
+In this environment, you can use
.Qq gsettings set org.gnome.desktop.background picture-uri file:/// Ns Ar path
instead.
.
.Pp
.
-For the
-.Cm --bg-center
+For
+.Cm --bg-center , --bg-fill ,
and
-.Cm --bg-max
-options, you can use the
+.Cm --bg-max ,
+you can use
.Cm --geometry
-option to specify an offset from one side of the screen instead of
-centering the image. Positive values will offset from the left/top
-side, negative values from the bottom/right. +0 and -0 are both
-valid and distinct values.
+to specify an offset from one side of the screen instead of centering the image.
+Positive values will offset from the left/top side, negative values from the
+bottom/right.
++0 and -0 are both valid and distinct values.
.
.Pp
.
@@ -919,8 +1037,8 @@ on screen 0, the second on screen 1, and so on.
.
Use
.Cm --no-xinerama
-to treat the whole X display as one screen when setting wallpapers. You
-may also use
+to treat the whole X display as one screen when setting wallpapers.
+You may also use
.Cm --xinerama-index
to use
.Nm
@@ -930,26 +1048,30 @@ as a background setter for a specific screen.
.
.It Cm --bg-center
.
-Center the file on the background. If it is too small, it will be surrounded
-by a black border
+Center the file on the background.
+If it is too small, it will be surrounded by a border as specified by
+.Cm --image-bg .
.
.It Cm --bg-fill
.
Like
.Cm --bg-scale ,
-but preserves aspect ratio by zooming the image until it fits. Either a
-horizontal or a vertical part of the image will be cut off
+but preserves aspect ratio by zooming the image until it fits.
+Either a horizontal or a vertical part of the image will be cut off
.
.It Cm --bg-max
.
Like
.Cm --bg-fill ,
-but scale the image to the maximum size that fits the screen with black borders on one side.
+but scale the image to the maximum size that fits the screen with borders on one side.
+The border color can be set using
+.Cm --image-bg .
.
.It Cm --bg-scale
.
Fit the file into the background without repeating it, cutting off stuff or
-using borders. But the aspect ratio is not preserved either
+using borders.
+But the aspect ratio is not preserved either
.
.It Cm --bg-tile
.
@@ -979,6 +1101,10 @@ Image path/filename
Escaped image path/filename
.Pq for use in shell commands
.
+.It %g
+.
+w,h window dimensions in pixels (mnemonic: geometry)
+.
.It %h
.
Image height
@@ -989,7 +1115,8 @@ Total number of files in filelist
.
.It %L
.
-Temporary copy of filelist. Multiple uses of %L within the same format string will return the same copy.
+Temporary copy of filelist.
+Multiple uses of %L within the same format string will return the same copy.
.
.It %m
.
@@ -1013,12 +1140,14 @@ Number of image pixels
.
.It \&%P
.
-Number of image pixels
+Number of image pixels in human-readable format with k/M
.Pq kilopixels / megapixels
+suffix
.
.It %r
.
-Image rotation. A half right turn equals pi.
+Image rotation.
+A half right turn equals pi.
.
.It %s
.
@@ -1052,7 +1181,11 @@ Process ID
.
.It %z
.
-current image zoom
+Current image zoom, rounded to two decimal places
+.
+.It %Z
+.
+Current image zoom, higher precision
.
.It %%
.
@@ -1101,29 +1234,42 @@ is the name of the entry and
.Ar options
are the options which will be applied when the theme is used.
.
-Note that the options are not parsed by any shell. Therefore, filename expansion
-.Po
-.Qq *.jpg
-and similar
-.Pc
-is not supported. Quoting with both single and double quotes works, though.
+.Pp
+.
+Note that the option parser does not behave like a normal shell: filename
+expansion and backslash escape sequences are not supported and passed to
+feh's option parser as-is.
+However, quoting of arguments is respected and can be used for arguments
+with whitespace.
+.
+So, the sequence
+.Qq --info Qq foo bar
+works as intended
+.Pq that is, it display the string Qq foo bar ,
+whereas the option string
+.Qq --info foo\e bar
+will only display
+.Qq foo\e
+and complain about the file bar not existing.
+Please keep this in mind when writing theme files.
.
.Pp
.
-An example entry would be
+An example entry is
.Qq imagemap -rVq --thumb-width 40 --thumb-height 30 --index-info \&'%n\en\&%wx\&%h\&' .
.
.Pp
.
-You can use this theme in two ways. Either call
+You can use this theme in two ways.
+Either call
.Qo
.Nm
-Timagemap *.jpg
.Qc ,
or create a symbolic link to
.Nm
-with the name of the theme you want it to use. For the example above,
-this would be
+with the name of the theme you want it to use.
+For the example above, this would be
.Qo
ln -s `which
.Nm
@@ -1190,9 +1336,9 @@ without any keys unbinds it (i.e. the default bindings are removed).
.
.Pp
.
-.Em Note :
-Do not use the same keybinding for multiple actions. When binding an action
-to a new key
+.Em Note:\&
+Do not use the same keybinding for multiple actions.
+When binding an action to a new key
.Pq or mouse button ,
make sure to unbind it from its previous action, if present.
.Nm
@@ -1216,8 +1362,20 @@ do not.
.
.Sh KEYS
.
-In an image window, the following keys may be used
-.Pq The strings in Bo square brackets Bc are the config action names :
+The following actions and default key bindings can be used in an image window.
+.Pq The strings in Bo square brackets Bc are the config action names .
+.
+If
+.Nm
+is running inside a terminal and its standard input is not used for images or
+filelists, key input from the terminal is also accepted.
+However, terminal input support is currently limited to most alphanumeric
+characters
+.Pq 0-9 a-z A-Z and some more ,
+arrow keys, return and backspace.
+The Alt
+.Pq Mod1
+modifier is also supported.
.
.Bl -tag -width indent
.
@@ -1232,12 +1390,13 @@ Enable/Disable anti-aliasing
.
.It c Bq toggle_caption
.
-Caption entry mode. If
+Caption entry mode.
+If
.Cm --caption-path
-has been specified, then this enables caption editing. The caption at the
-bottom of the screen will turn yellow and can be edited. Hit return to confirm
-and save the caption, or escape to cancel editing. Note that you can insert
-an actual newline into the caption using
+has been specified, then this enables caption editing.
+The caption at the bottom of the screen will turn yellow and can be edited.
+Hit return to confirm and save the caption, or escape to cancel editing.
+Note that you can insert an actual newline into the caption using
.Aq Ctrl+return .
.
.It d Bq toggle_filenames
@@ -1247,7 +1406,7 @@ Toggle filename display
.
.It e Bq toggle_exif
.
-.Pq only if compiled with exif=1
+.Pq optional feature, $MAN_EXIF$ in this build
Toggle EXIF tag display
.
.It f Bq save_filelist
@@ -1255,10 +1414,14 @@ Toggle EXIF tag display
Save the current filelist as
.Qq feh_PID_ID_filelist
.
+.It g Bq toggle_fixed_geometry
+.
+Enable/Disable automatic window resize when changing images.
+.
.It h Bq toggle_pause
.
-Pause/Continue the slideshow. When it is paused, it will not automatically
-change slides based on
+Pause/Continue the slideshow.
+When it is paused, it will not automatically change slides based on
.Cm --slideshow-delay .
.
.It i Bq toggle_info
@@ -1268,19 +1431,22 @@ Toggle info display
.
.It k Bq toggle_keep_vp
.
-Toggle zoom and viewport keeping. When enabled,
+Toggle zoom and viewport keeping.
+When enabled,
.Nm
will keep zoom and X, Y offset when switching images.
.
.It m Bq toggle_menu
.
-Show menu. Use the arrow keys and return to select items,
+Show menu.
+Use the arrow keys and return to select items,
.Aq escape
to close the menu.
.
.It n , Ao space Ac , Ao Right Ac Bq next_img
.
-Show next image. Selects the next image in thumbnail mode.
+Show next image.
+Selects the next image in thumbnail mode.
.
.It o Bq toggle_pointer
.
@@ -1288,7 +1454,8 @@ Toggle pointer visibility
.
.It p , Ao BackSpace Ac , Ao Left Ac Bq prev_img
.
-Show previous image. Selects the previous image in thumbnail mode.
+Show previous image.
+Selects the previous image in thumbnail mode.
.
.It q , Ao Escape Ac Bq quit
.
@@ -1297,7 +1464,8 @@ Quit
.
.It r Bq reload_image
.
-Reload current image. Useful for webcams
+Reload current image.
+Useful for webcams
.
.It s Bq save_image
.
@@ -1312,8 +1480,7 @@ Toggle fullscreen
.
Change window size to fit current image size
.Pq plus/minus zoom, if set .
-In scale-down and fixed-geometry mode, this also updates the window size
-limits.
+In scale-down and fixed-geometry mode, this also updates the window size limits.
.
.It x Bq close
.
@@ -1323,27 +1490,35 @@ Close current window
.
Jump to a random position in the current filelist
.
+.It Z Bq toggle_auto_zoom
+.
+Toggle auto-zoom.
+.
.It \&[, \&] Bq prev_dir, next_dir
.
Jump to the first image of the previous or next sequence of images sharing
-a directory name in the current filelist. Use --sort dirname if you would
-like to ensure that all images in a directory are grouped together.
+a directory name in the current filelist.
+Use --sort dirname if you would like to ensure that all images in a directory
+are grouped together.
.
.It < , > Bq orient_3 , orient_1
.
In place editing - rotate the image 90 degrees (counter)clockwise.
The rotation is lossless, but may create artifacts in some image corners when
-used with JPEG images. Rotating in the reverse direction will make them go
-away. See
+used with JPEG images.
+Rotating in the reverse direction will make them go away.
+See
.Xr jpegtran 1
for more about lossless JPEG rotation.
.
-.Em Note:
+.Em Note:\&
.Nm
-assumes that this feature is used to normalize image orientation. For JPEG
-images, it will unconditionally set the EXIF orientation tag to 1
+assumes that this feature is used to normalize image orientation.
+For JPEG images, it will unconditionally set the EXIF orientation
+tag to 1
.Pq Qq 0,0 is top left
-after every rotation. See
+after every rotation.
+See
.Xr jpegexiforient 1
for details on how to change this flag.
.
@@ -1504,8 +1679,8 @@ This works like the keys config file: the entries are of the form
.
Each
.Ar binding
-is a button number. It may optionally start with modifiers for things like
-Control, in which case
+is a button number.
+It may optionally start with modifiers for things like Control, in which case
.Ar binding
looks like
.Ar mod Ns No - Ns Ar button
@@ -1513,7 +1688,7 @@ looks like
.
.Pp
.
-.Em Note :
+.Em Note:\&
Do not use the same button for multiple actions.
.Nm
does not check for conflicting bindings, so their behaviour is undefined.
@@ -1615,11 +1790,12 @@ will warp your cursor to the opposite border so you can continue panning.
.Pp
.
When clicking the zoom button and immediately releasing it, the image will be
-back at 100% zoom. When clicking it and moving the mouse while holding the
-button down, the zoom will be continued at the previous zoom level. The zoom
-will always happen so that the pixel on which you entered the zoom mode
-remains stationary. So, to enlarge a specific part of an image, click the
-zoom button on that part.
+back at 100% zoom.
+When clicking it and moving the mouse while holding the button down, the zoom
+will be continued at the previous zoom level.
+The zoom will always happen so that the pixel on which you entered the zoom mode
+remains stationary.
+So, to enlarge a specific part of an image, click the zoom button on that part.
.
.
.Sh SIGNALS
@@ -1643,67 +1819,71 @@ Switch to previous image
.
.Sh USAGE EXAMPLES
.
-Here are some examples of useful option combinations. See also:
+Here are some examples of useful option combinations.
+See also:
.Aq http://feh.finalrewind.org/examples/
.
.Bl -tag -width indent
.
-.It feh /opt/images
+.It feh ~/Pictures
.
-Show all images in /opt/images
+Show all images in ~/Pictures
.
-.It feh -r /opt/images
+.It feh -r ~/Pictures
.
-Recursively show all images found in /opt/images and subdirectories
+Recursively show all images found in ~/Pictures and subdirectories
.
-.It feh -rSfilename /opt/images
+.It feh -rSfilename --version-sort ~/Pictures
.
-Same as above, but sort by filename. By default, feh will show files in the
-order it finds them on the hard disk, which is usually somewhat random.
+Same as above, but sort naturally.
+By default, feh will show files in the string order of their names, meaning e.g.
+.Qq foo 10.jpg
+will come before
+.Qq foo 2.jpg .
+In this case, they are instead ordered as a human would expect.
.
-.It feh -t -Sfilename -E 128 -y 128 -W 1024 /opt/images
+.It feh -t -Sfilename -E 128 -y 128 -W 1024 ~/Pictures
.
Show 128x128 pixel thumbnails, limit window width to 1024 pixels.
.
-.It feh -t -Sfilename -E 128 -y 128 -W 1024 -P -C /usr/share/fonts/truetype/ttf-dejavu/ -e DejaVuSans/8 /opt/images
+.It feh -t -Sfilename -E 128 -y 128 -W 1024 -P -C /usr/share/fonts/truetype/ttf-dejavu/ -e DejaVuSans/8 ~/Pictures
.
-Same as above, but enable thumbnail caching in ~/.thumbnails and use a smaller
-font.
+Same as above, but enable thumbnail caching and use a smaller font.
.
-.It feh -irFarial/14 -O index.jpg /opt/images
+.It feh -irFarial/14 -O index.jpg ~/Pictures
.
-Make an index print of /opt/images and all directories below it, using 14 point
-Arial to write the image info under each thumbnail. Save the image as
-index.jpg and don't display it, just exit. Note that this even works without
-a running X server
+Make an index print of ~/Pictures and all directories below it, using 14 point
+Arial to write the image info under each thumbnail.
+Save the image as index.jpg and don't display it, just exit.
+Note that this even works without a running X server
.
-.It feh --unloadable -r /opt/images
+.It feh --unloadable -r ~/Pictures
.
-Print all unloadable images in /opt/images, recursively
+Print all unloadable images in ~/Pictures, recursively
.
.It feh -f by_width -S width --reverse --list \&.
.
Write a list of all images in the directory to by_width, sorted by width
.Pq widest images first
.
-.It feh -w /opt/images/holidays
+.It feh -w ~/Pictures/holidays
.
-Open each image in /opt/images/holidays in its own window
+Open each image in ~/Pictures/holidays in its own window
.
-.It feh -FD5 -Sname /opt/images/presentation
+.It feh -FD5 -Sname ~/Pictures/presentation
.
Show the images in .../presentation, sorted by name, in fullscreen,
automatically change to the next image after 5 seconds
.
-.It feh -rSwidth -A Qo mv %F ~/images/\&%N Qc /opt/images
+.It feh -rSwidth -A Qo mv %F ~/images/\&%N Qc ~/Pictures
.
-View all images in /opt/images and below, sorted by width, move an image to
+View all images in ~/Pictures and below, sorted by width, move an image to
~/image/image_name when enter is pressed
.
.It feh --start-at ./foo.jpg \&.
.
-View all images in the current directory, starting with foo.jpg. All other
-images are still in the slideshow and can be viewed normally
+View all images in the current directory, starting with foo.jpg.
+All other images are still in the slideshow and can be viewed normally
.
.It feh --start-at foo.jpg *
.
@@ -1736,25 +1916,26 @@ for lossless rotation.
.
To view images from URLs such as http://, you need
.Nm
-compiled with libcurl support (enabled by default). See the
+compiled with libcurl support (enabled by default).
+See the
.Sx VERSION
section.
.
.
.Sh BUGS
.
-.Pp
-.
On systems with giflib 5.1.2,
.Nm
-may be unable to load gif images. For affected mips, mipsel and arm devices,
-gif support is completely broken, while on x86 / x86_64 gifs can usually
-only be loaded if they are the first image in the filelist.
+may be unable to load gif images.
+For affected mips, mipsel and arm devices, gif support is completely
+broken, while on x86 / x86_64 gifs can usually only be loaded if they are
+the first image in the filelist.
This appears to be a bug in giflib,
see
.Aq https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=813729
-for details. Workaround: Use
-.Cm --magick-timeout 5
+for details.
+Workaround: Use
+.Cm --conversion-timeout 5
.Pq or some other positive value
to load gifs with imagemagick instead, or downgrade to giflib 5.1.1, or
upgrade to giflib 5.1.4.
@@ -1770,7 +1951,6 @@ as it could be.
does not take window decorations into account and may therefore make the
window slightly too large.
.
-.
.Ss REPORTING BUGS
.
If you find a bug, please report it to
@@ -1803,7 +1983,7 @@ Make zoom options more intuitive
.
Copyright (C) 1999, 2000 by Paul Duncan.
Copyright (C) 1999, 2000 by Tom Gilbert (and various contributors).
-Copyright (C) 2010-2016 by Daniel Friesel (and even more contributors).
+Copyright (C) 2010-2018 by Daniel Friesel (and even more contributors).
.
.Pp
.
@@ -1825,10 +2005,11 @@ used.
.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
.
.Pp
.