Commit Graph

5958 Commits (379b1556edbacc625e2994b9924896b590bacc75)

Author SHA1 Message Date
Benno Schulenberg c2a0c78d9b tweaks: rename a variable and a type, to be less confusing 2016-07-16 13:29:50 +02:00
Benno Schulenberg 97f4fe26f0 build-sys: ignore the revision header file 2016-07-16 13:29:13 +02:00
Benno Schulenberg ef071255e5 color: refresh the screen whenever the active syntax changes
This fixes https://savannah.gnu.org/bugs/?47296.
2016-07-14 17:51:33 +02:00
Benno Schulenberg afb6a5b86d color: forget about aborting the precalculation for multiline regexes
This fixes https://savannah.gnu.org/bugs/?48389.
2016-07-14 14:31:14 +02:00
Benno Schulenberg a37cd9f0ef tweaks: rename a variable, to clarify it refers to columns, not to bytes 2016-07-14 14:28:15 +02:00
Benno Schulenberg 6f12992cea new feature: add the option --wordchars, to set extra word characters
This allows the user to specify which other characters, besides the
default alphanumeric ones, should be considered as part of a word, so
that word operations like Ctrl+Left and Ctrl+Right will pass them by.

Using this option overrides the option --wordbounds.

This fulfills https://savannah.gnu.org/bugs/?47283.
2016-07-13 20:49:30 +02:00
Benno Schulenberg d88423eaae tweaks: move a debug statement to its proper place, and improve aspect 2016-07-13 20:48:03 +02:00
Benno Schulenberg 8b28de1313 tweaks: don't call a thing malloc... when it doesn't call malloc() 2016-07-13 15:04:40 +02:00
Rishabh Dave 8fa72fb7e7 browser: elide a variable by fusing the uses of 'newpath' and 'path'
Signed-off-by: Rishabh Dave <rishabhddave@gmail.com>
2016-07-13 14:30:18 +02:00
Benno Schulenberg b4babc2036 input: accept only the four iTerm sequences that actually get handled
This fixes https://savannah.gnu.org/bugs/?48455.
2016-07-13 13:01:46 +02:00
Benno Schulenberg f2150d3f98 input: treat Ctrl+Alt+key different from Esc followed by Ctrl+key
When the user changes her mind after having pressed Esc, she cannot
unpress Esc, so do that for her by ignoring the escape code when
the subsequent keycode is outside of the normal printable range.

This restores the behavior from before nano-2.3.5 -- except that
Ctrl+Alt+key continues to report an unbound key.

This fixes https://savannah.gnu.org/bugs/?48459.
2016-07-13 10:01:07 +02:00
Benno Schulenberg 033376aec0 input: consider only O, o and [ as starters of multi-character sequences
This prevents many keycode sequences from being misconstrued when a
command key plus other keystrokes accumulate in the input buffer.

This fixes https://savannah.gnu.org/bugs/?48395.
2016-07-13 09:56:24 +02:00
Benno Schulenberg e33a0b6dbe screen: avoid converting each character twice from multibyte to wide 2016-07-12 19:41:13 +02:00
Benno Schulenberg 0894587305 screen: elide another intermediate buffer for every visible character 2016-07-12 19:30:50 +02:00
Benno Schulenberg 960e848cc7 tweaks: elide a typedef, as it now has just one element 2016-07-12 09:35:48 +02:00
Benno Schulenberg b4737072a6 tweaks: delete an element that is always FALSE and never used 2016-07-12 09:24:32 +02:00
Benno Schulenberg 8507dd4bd0 color: integrate the hilite attribute into the pair number
Color-pair numbers and attributes can be OR'd together -- do so,
to save an attron() call whenever the hilite is on.
2016-07-12 09:20:09 +02:00
Benno Schulenberg 62eeda3e9f tweaks: use mallocstrcpy() instead of strdup(), for a graceful death
To make nano save its modified buffers when it runs out of memory.
2016-07-11 20:45:26 +02:00
Benno Schulenberg 06c806215e tweaks: improve two comments 2016-07-11 20:11:29 +02:00
Benno Schulenberg d2b25120f0 tweaks: fuse two handlings of a delete key, and fix a comment 2016-07-10 21:36:25 +02:00
Benno Schulenberg 0c319f8b4b tweaks: put the case labels (the keycodes) in a more sensible order 2016-07-10 20:49:52 +02:00
Benno Schulenberg 4fcc760158 tweaks: put some case labels closer to their statements
Also condense some comments, and group keys with the same result together.
2016-07-10 20:38:08 +02:00
Benno Schulenberg 0d5f918453 input: add some missing keycodes to the parsing routine
Add them so that <Esc> followed by <Home> will simply do "Home" instead of
reporting an unbound key.  The same for <End>, <PageUp> and <PageDown>.

This restores the behavior from before nano-2.3.5.
2016-07-10 20:21:11 +02:00
Rishabh Dave 9c7940b599 utils: accept mistypings and common separators between line and column
It is easy to type beside the comma key and hit instead "m" or ".", so
accept also these as a separator between line and column number.  And
when being generous anyway, also accept space, slash and semicolon.

This fulfills https://savannah.gnu.org/bugs/?48305.

Signed-off-by: Rishabh Dave <rishabhddave@gmail.com>
2016-07-04 22:04:24 +02:00
Benno Schulenberg ccfb1eb0f1 tweaks: rearrange a function in my style, and rename a variable 2016-07-04 21:50:12 +02:00
Benno Schulenberg 7e3a9c3aa6 utils: don't bother to check line and column for NULL
When parsing a line and a column number, of course the found values
need to be passed back, otherwise it would be pointless to parse them.
2016-07-04 21:42:04 +02:00
Benno Schulenberg a730b25ef9 browser: elide another call of opendir()
And in the bargain show an error message when doing ^R unreadabledir ^T.
2016-07-04 21:18:09 +02:00
Benno Schulenberg 500fef8314 tweaks: rename a variable -- to match others and to be more concise 2016-07-04 13:43:19 +02:00
Benno Schulenberg 29986e95a0 input: don't drop the first byte when user starts typing during loading
Precalculation of the multiline color data can be cut short when the
user is impatient and starts typing.  But this would drop the first
byte of whatever was typed -- not nice when it was just plain text,
but surprising and worse when the first keystroke was a command.

This fixes https://savannah.gnu.org/bugs/?48388.
2016-07-04 09:27:35 +02:00
Benno Schulenberg 4af1da7d95 color: push the resets further when start and end match are equal
When for a multiline syntax-coloring rule the starting regex matches at
the exact same spot as the ending regex, do a second round of resets, so
that reevaluation starts further back and gets a few more things right.

This mildly fixes https://savannah.gnu.org/bugs/?47420.
2016-07-03 16:23:54 +02:00
Benno Schulenberg 528b79b5f3 tweaks: rename a variable to be more accurate
When we get a ^J as verbatim input, it is not possible to include it
into the file buffer or the prompt answer, because this would mean
adding an encoded null to the buffer or answer, and that is not what
the user intended.  One option would have been to simply ignore a ^J
in verbatim input.  But the choice has been made to act the same way
as when the ^J (0x0A) is found in the file data: start a new line.

That is the same response as to the Enter key, yes -- but the code
for the Enter key is ^M (0x0D), not ^J.  So, to be more precise,
rename the relevant variable from 'got_enter' to 'got_newline'.
2016-07-03 16:19:27 +02:00
Benno Schulenberg 03a81aa9c5 browser: trim all trailing slashes (just in case there are more) 2016-07-03 16:18:26 +02:00
Rishabh Dave 4957c1121d browser: select an inaccessible directory also when tabbed
When the user tab-completed a name at the Go To Directory prompt, this
name will end in a slash.  Remove this slash, so the name can be found
in the file list (where directory names don't include the final slash).

This fixes http://savannah.gnu.org/bugs/?48353.

Signed-off-by: Rishabh Dave <rishabhddave@gmail.com>
2016-07-02 12:26:42 +02:00
Benno Schulenberg d9d8eb2480 tweaks: straighten out the flow of a loop 2016-07-01 13:11:23 +02:00
Benno Schulenberg d9aad9212f tweaks: elide a bit of code duplication 2016-07-01 13:11:00 +02:00
Benno Schulenberg 8b636de1d3 tweaks: put all the movement functions together
And order them from smallest stride to biggest stride.
2016-07-01 12:42:58 +02:00
Benno Schulenberg aeab800490 tweaks: improve a few comments 2016-07-01 12:34:33 +02:00
Benno Schulenberg f8c33e8630 tweaks: reduce the scope of two variables 2016-07-01 12:22:44 +02:00
Benno Schulenberg b6efea266e chars: invalid sequences are not blank, nor text, nor punctuation
So, slightly speed up the functions that check for those.
2016-06-30 14:34:34 +02:00
Benno Schulenberg 8686cb3d3d chars: measure invalid sequences and unassigned codepoints more quickly
Invalid multibyte sequences get depicted with the Replacement Character,
and unassigned codepoints are shown as if they were a space.  Both have
a width of one.
2016-06-30 14:33:25 +02:00
Benno Schulenberg 91fff2a2c8 screen: avoid looking up the width of whitespace and control codes
Spaces and tabs and control codes never are multi-column glyphs, so
only look up the width for "normal", visible characters.
2016-06-30 14:32:10 +02:00
Benno Schulenberg d6f43bd156 screen: elide the intermediate buffer for every single character 2016-06-30 14:29:14 +02:00
Benno Schulenberg ebbe546033 screen: again, look at the bytes in their context
This avoids having to null-terminate every single-byte character.
2016-06-30 14:28:29 +02:00
Benno Schulenberg cf0eed6c36 screen: don't check for every character whether there is still enough space
Just allocate ample space up front and thus discard the delaying 'if' for
each and every character.  In most cases this will allocate far too much,
but that hardly matters: it is freed again as soon as the line is printed.
2016-06-30 14:27:00 +02:00
Benno Schulenberg feacacc46d chars: look at bytes in their context, so only valid sequences are accepted
This fixes https://savannah.gnu.org/bugs/?48125.

(The fix is slightly wasteful; speeding things up will follow later.)
2016-06-29 20:56:50 +02:00
Benno Schulenberg af53c56ec8 chars: speed up the determination whether something is a control character
Use knowledge of UTF-8 instead of converting to wide characters first.
2016-06-29 20:56:50 +02:00
Benno Schulenberg 019d7b34ca chars: delete a now-unused function 2016-06-29 20:56:50 +02:00
Benno Schulenberg 622995fb12 chars: the representation of a control character is always two bytes
Any control character is represented by a ^ plus an ASCII character.
2016-06-29 20:56:50 +02:00
Benno Schulenberg 03586c60da chars: represent the high-bit controls more intelligibly
Instead of showing the upper control codes like this:

   ^À ^Á ^Â ^Ã ^Ä ^Å ^Æ ^Ç ^È ^É ^Ê ^Ë ^Ì ^Í ^Î ^Ï
   ^Ð ^Ñ ^Ò ^Ó ^Ô ^Õ ^Ö ^× ^Ø ^Ù ^Ú ^Û ^Ü ^Ý ^Þ ^ß

show them like this:

   ^` ^a ^b ^c ^d ^e ^f ^g ^h ^i ^j ^k ^l ^m ^n ^o
   ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^{ ^| ^} ^~ ^=

The lower control codes continue to be shown like this:

   ^@ ^A ^B ^C ^D ^E ^F ^G ^H ^I ^J ^K ^L ^M ^N ^O
   ^P ^Q ^R ^S ^T ^U ^V ^W ^X ^Y ^Z ^[ ^\ ^] ^^ ^_

The representation of DEL (0x7F) continues as ^?.

Further, use knowledge of UTF-8 to avoid a roundtrip through
wide characters.
2016-06-29 20:56:50 +02:00
Benno Schulenberg 07a39e8e18 screen: don't simulate a sigwinch but directly reinitialize the screen
This fixes the second part of https://savannah.gnu.org/bugs/?48331.

Reported-by: Mike Frysinger <vapier@gentoo.org>
2016-06-29 15:55:38 +02:00