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authorMattias Andrée <maandree@operamail.com>2015-07-13 05:45:06 +0200
committerMattias Andrée <maandree@operamail.com>2015-07-13 05:45:06 +0200
commit6d0f30f98127baa15aa4901833bd134f0882b426 (patch)
tree6d2b223625928b00b1bdde6b1803122341883ee6 /doc/info/mds.texinfo
parentm info: rat cursors: page layout (diff)
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add support for A5 and smallbook
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'doc/info/mds.texinfo')
-rw-r--r--doc/info/mds.texinfo200
1 files changed, 198 insertions, 2 deletions
diff --git a/doc/info/mds.texinfo b/doc/info/mds.texinfo
index 8963632..d1b8514 100644
--- a/doc/info/mds.texinfo
+++ b/doc/info/mds.texinfo
@@ -4,9 +4,23 @@
@setfilename mds.info
@settitle mds
+@c @set AFIVEPAPER
+@c @set SMALLBOOK
+@c This document does not look too good on A5-paper
+@c This document looks best on A4-paper, but smallbook format is acceptable
+
+@ifset AFIVEPAPER
+@afivepaper
+@end ifset
+@ifclear AFIVEPAPER
+@ifset SMALLBOOK
+@smallbook
+@end ifset
+@ifclear SMALLBOOK
@afourpaper
-@c This document does not support @afivepaper
-@c This document does not support @smallbook
+@set AFOURPAPER
+@end ifclear
+@end ifclear
@documentencoding UTF-8
@documentlanguage en
@@ -981,11 +995,15 @@ Command: keyboard-enumeration\n
@node Portability
@section Portability
+@cpindex Portability
For optimal portability, there are some restrictions
on protocols.
@itemize @bullet{}
@item
+@cpindex Integers, minimum value restriction
+@cpindex Minimum value restriction on integers
+@cpindex Restrictions on minimum value for integers
Because C allows unsigned integers to be encoded as
either sign and magnitude, one's complement or two's
complement@footnote{GCC only allows two's complement},
@@ -1005,6 +1023,10 @@ size integers or otherwise make sure that the value
can be properly stored and used.
@item
+@tpindex @code{uint64_t}
+@cpindex Integers, unsigned, restriction
+@cpindex Unsigned integer, restriction
+@cpindex Restrictions on unsigned integers
Integer 64-bits that are not especially encoded
must not be unsigned if the bit-size is fixed.
This is because some programming languages
@@ -1013,12 +1035,15 @@ are signed; a large enough unsigned 64-bit
integer would overflow.
@item
+@cpindex Endianness, portability
Native endianness when a endianness is choosen.
Do not assume big endianness, but the same
endianness that appear on the same machine when
using C.
@item
+@cpindex UTF-8, portability
+@cpindex Strings, portibility
All strings musts be encoded in UTF-8 without
any NUL-character unless express permission
is given. NUL-character may be encoded either
@@ -1033,6 +1058,8 @@ and is hence disallowed by newer specifications
of UTF-8.
@item
+@cpindex New line, portability
+@cpindex Strings, portibility
The new line-character is always LF (@code{'\n'},
10, line feed) and never a combination of LF and
any other character, or multiple LF:s.
@@ -1451,6 +1478,7 @@ and commands, @command{cmdipc} and @command{ipcmd} can be
used for this purpose. We will use @command{cmdipc} in an
example:
+@ifset AFOURPAPER
@example
S=$(cmdipc -Scx set 1 | cut -d ' ' -f 2)
# Create a System V semaphore with the value 1.
@@ -1462,6 +1490,22 @@ cmdipc -Sk $S z # Wait for the semaphore's value to become 0.
cmdipc -Srk $S # Remove the semaphore.
mds-respawn @{ mds-bar @} & # Spawn `mds-bar`.
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+S=$(cmdipc -Scx set 1 | cut -d ' ' -f 2)
+# Create a System V semaphore with the value 1.
+
+mds-respawn @{ mds-foo --on-init-sh="cmdipc -Sk $S p" @} &
+# Spawn `mds-foo` and decrease the semaphore with
+# 1 when initialised.
+
+cmdipc -Sk $S z # Wait for the semaphore's
+ # value to become 0.
+cmdipc -Srk $S # Remove the semaphore.
+mds-respawn @{ mds-bar @} & # Spawn `mds-bar`.
+@end example
+@end ifclear
@pgindex @command{mds-reg}
This is however seldom necessary as @command{mds-reg} can
@@ -3674,6 +3718,7 @@ The entry will also be removed, unless
@code{Time to live: forever} is used, if the server
crashes or is re-executed.
+@sgindex @code{SIGARLM}
It is up to the implementation to choose when the
removal actually takes place. For example, the reference
implementation will pop entries that have timed out when
@@ -3949,6 +3994,7 @@ Alpha channel should be included but ignored if
@code{Has alpha: no}, in such as it is best to set
it to full.
+@ifset AFOURPAPER
Example image with @code{Bytes: 2},
@code{Has alpha: no} and @code{Size: 3}:
@example
@@ -3971,6 +4017,28 @@ FF FF 02 01 0 0 0 0 FF FF 0 0 04 03 0 0 FF FF 0 0 0 0 06 05
FF FF 08 07 0 0 0 0 FF FF 0 0 0A 09 0 0 FF FF 0 0 0 0 0C 0B
FF FF 0E 0D 0 0 0 0 FF FF 0 0 10 0F 0 0 FF FF 0 0 0 0 12 11
@end example
+@end ifset
+@ifclear AFOURPAPER
+Example image with @code{Bytes: 2},
+@code{Has alpha: no} and @code{Size: 2}:
+@example
+sRGB(x0102, 0, 0), sRGB(0, x0304, 0)
+sRGB(x0708, 0, 0), sRGB(0, x090A, 0)
+@end example
+
+Encoding of example image in hexadecimal representation:
+@example
+FFFF 0102 0000 0000 FFFF 0000 0304 0000
+FFFF 0708 0000 0000 FFFF 0000 090A 0000
+@end example
+
+Note that on a big-endian system this would be:
+@footnote{x86_64 computers are big-endian.}
+@example
+FF FF 02 01 0 0 0 0 FF FF 0 0 04 03 0 0
+FF FF 08 07 0 0 0 0 FF FF 0 0 0A 09 0 0
+@end example
+@end ifclear
It is up to the networking servers to translate
the encoding between machines.@footnote{The host
@@ -5517,6 +5585,7 @@ a list, reads its variable @code{size_t size}.
The variable @code{uint64_t* clients} is
used to retrieve stored elements.
+@ifset AFOURPAPER
@example
void print_elements(client_list_t* this)
@{
@@ -5525,6 +5594,18 @@ void print_elements(client_list_t* this)
printf("Element #%zu: %" PRIu64 "\n", i, this->elements[i]);
@}
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+void print_elements(client_list_t* this)
+@{
+ size_t i;
+ for (i = 0; i < this->size; i++)
+ printf("Element #%zu: %" PRIu64 "\n",
+ i, this->elements[i]);
+@}
+@end example
+@end ifclear
@@ -5857,6 +5938,7 @@ be stored to the variable @code{entry} and the
bucket index will be stored to the variable
@code{i}.
+@ifset AFOURPAPER
@example
void print_hash_table(hash_table_t* table)
@{
@@ -5866,6 +5948,19 @@ void print_hash_table(hash_table_t* table)
printf("%zu --> %zu\n", entry->key, entry->value);
@}
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+void print_hash_table(hash_table_t* table)
+@{
+ hash_entry_t* entry;
+ size_t i;
+ foreach_hash_table_entry (*table, i, entry)
+ printf("%zu --> %zu\n", entry->key,
+ entry->value);
+@}
+@end example
+@end ifclear
Note the the data type for the parameter @code{this}
is not a popinter.
@@ -6109,6 +6204,7 @@ The server is re-executing.
@item --alarm=SECONDS
@opindex @option{--alarm}
+@sgindex @code{SIGALRM}
Kill the process after @var{SECONDS} seconds.
At most one minute.
@@ -6813,6 +6909,7 @@ character other than space.}. Therefore the
letter is prefixed with the word `letter'.
For example:
+@ifset AFOURPAPER
@example
<keycode 16> : <letter q> # The Q-key has keycode 16 (on QWERTY)
<letter q> : "q" # The Q-key should produce a `q'
@@ -6820,6 +6917,21 @@ For example:
<caps q> : "Q" # or when caps is used
<shift caps letter q> : "q" # but not when both are used
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+# The Q-key has keycode 16 (on QWERTY)
+<keycode 16> : <letter q>
+# The Q-key should produce a `q'
+<letter q> : "q"
+# but `Q' when shift is used
+<shift letter q> : "Q"
+# or when caps is used
+<caps q> : "Q"
+# but not when both are used
+<shift caps letter q> : "q"
+@end example
+@end ifclear
Special characters like simple double quotes,
backspace and, in @code{<>}-notation, greater than
@@ -6975,6 +7087,7 @@ compiler required that the @option{--force} flag
is used and that the unordered subsequences uses
double brackets:
+@ifset AFOURPAPER
@example
<dead compose> ("1" "2" "3" "4" "5") : "120"
<dead compose> (("1" "2" "3" "4" "5" "6")) : "720"
@@ -6982,6 +7095,14 @@ double brackets:
<dead compose> (("1" "2" "3" "4" "5" "6" "7" "8")) : "40320"
<dead compose> (("1" "2" "3" "4" "5" "6" "7" "8" "9")) : "362880"
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+<dead compose> ("1" "2" "3" "4" "5") : "120"
+<dead compose> (("1" "2" "3" "4" "5" "6")) : "720"
+<dead compose> (("1" "2" "3" "4" "5" "6" "7")) : "5040"
+@end example
+@end ifclear
@@ -7191,10 +7312,19 @@ built-in functions named `add/2' and `sub/2'.
Alternation can be used to invoke a macro:
+@ifset AFOURPAPER
@example
letter(["a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m"])
letter(["n" "o" "p" "q" "r" "s" "t" "u" "v" "w" "x" "y" "z"])
@end example
+@end ifset
+@ifclear AFOURPAPER
+@example
+letter(["a" "b" "c" "d" "e" "f" "g" "h" "i" "j"])
+letter(["k" "l" "m" "n" "o" "p" "q" "r" "s" "t"])
+letter(["u" "v" "w" "x" "y" "z"])
+@end example
+@end ifclear
You may use `.' in an alternation, in that case
macro is called once with the argument, causing it
@@ -7206,6 +7336,9 @@ example want to call the macro `letter/1' for
all letters betweeh and including `a' and `z'
we can just write
+@ifclear AFOURPAPER
+@page
+@end ifclear
@example
for "a" to "z" as \1
letter(\1)
@@ -8491,6 +8624,9 @@ transition from @code{X-release} to @code{X}. Clients should
not set the cursor to either of them, it is up to the server
to do this based on events from the rat device.
+@ifset AFIVEPAPER
+@page
+@end ifset
@table @code
@item default
This is the default cursor. It is used as a fallback if no
@@ -8554,6 +8690,9 @@ small menu.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item text
This cursor should be used when the rat pointers is above
an horizontal text that can be selected and possibly edited.
@@ -8656,6 +8795,9 @@ of animated ring.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item pointer
This cursor indicates that the object beneath it
is clickable. Typically a link in a web browser.
@@ -8764,6 +8906,9 @@ This cursor is usually rendered as
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item move
This cursor indicates that the dragged object
will be moved upon release, or otherwise
@@ -8828,6 +8973,9 @@ links next to it, or an arced arrow.
@end example
@vskip 0pt plus 2filll
+@ifclear AFOURPAPER
+@page
+@end ifclear
@item no-drop
This cursor indicates that the dragged object
cannot be release where the rat pointer is
@@ -8889,6 +9037,9 @@ a diagonal line through it.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item not-allowed
This cursor is used to indicate that moving
the rat will also move the object beneath
@@ -8915,7 +9066,9 @@ vertical and horizontal twin-headed arrow.
@end example
@vskip 0pt plus 2filll
+@ifclear AFIVEPAPER
@page
+@end ifclear
@item up-arrow
This cursor is typically used to identify an
insertion point.
@@ -8990,6 +9143,9 @@ horizontally towards it.
@end example
@vskip 0pt plus 2filll
+@ifclear AFOURPAPER
+@page
+@end ifclear
@item row-resize
This cursor is used to indicate the the cursor is within a region
that allows it rat to be used to resize a column.
@@ -9091,7 +9247,9 @@ west pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifclear AFIVEPAPER
@page
+@end ifclear
@item e-resize
If this cursor is missing, @code{e-select}
should be used as the first fallback,
@@ -9115,6 +9273,9 @@ wall at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item e-select
If this cursor is missing, @code{e-resize}
should be used as the first fallback,
@@ -9137,6 +9298,9 @@ east pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifset SMALLBOOK
+@page
+@end ifset
@item n-resize
If this cursor is missing, @code{n-select}
should be used as the first fallback,
@@ -9169,7 +9333,9 @@ wall at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item n-select
If this cursor is missing, @code{n-resize}
should be used as the first fallback,
@@ -9199,6 +9365,9 @@ north pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifclear AFOURPAPER
+@page
+@end ifclear
@item s-resize
If this cursor is missing, @code{s-select}
should be used as the first fallback,
@@ -9231,7 +9400,9 @@ wall at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item s-select
If this cursor is missing, @code{s-resize}
should be used as the first fallback,
@@ -9261,6 +9432,9 @@ south pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item nw-resize
If this cursor is missing, @code{nw-select}
should be used as the first fallback,
@@ -9293,7 +9467,9 @@ with a corner at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item nw-select
If this cursor is missing, @code{nw-resize}
should be used as the first fallback,
@@ -9322,6 +9498,9 @@ north-west pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item se-resize
If this cursor is missing, @code{se-select}
should be used as the first fallback,
@@ -9354,7 +9533,9 @@ with a corner at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item se-select
If this cursor is missing, @code{se-resize}
should be used as the first fallback,
@@ -9383,6 +9564,9 @@ south-east pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item ne-resize
If this cursor is missing, @code{ne-select}
should be used as the first fallback,
@@ -9415,7 +9599,9 @@ with a corner at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item ne-select
If this cursor is missing, @code{ne-resize}
should be used as the first fallback,
@@ -9444,6 +9630,9 @@ north-east pointing arrow.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item sw-resize
If this cursor is missing, @code{sw-select}
should be used as the first fallback,
@@ -9476,7 +9665,9 @@ with a corner at the arrow head.
@end example
@vskip 0pt plus 2filll
+@ifclear SMALLBOOK
@page
+@end ifclear
@item sw-select
If this cursor is missing, @code{sw-resize}
should be used as the first fallback,
@@ -9544,7 +9735,9 @@ east and west pointing twin-arrow.
@end example
@vskip 0pt plus 2filll
+@ifclear AFIVEPAPER
@page
+@end ifclear
@item ns-resize
If this cursor is missing, @code{ns-select}
should be used as the first fallback, and
@@ -9626,6 +9819,9 @@ optionally with a corner at the arrow heads.
@end example
@vskip 0pt plus 2filll
+@ifset AFIVEPAPER
+@page
+@end ifset
@item nesw-resize
If this cursor is missing, @code{all-resize}
should be used as the first fallback.