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Only skip last line break if range comes from linewise visual mode.
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This commits introduces the following keybindings, in normal mode:
CTRL-N select word the cursor is currently over, switch to visual mode
CTRL-P remove least recently added cursor
ESC if a selection is active, clear it.
Otherwise dispose all but the primary cursor.
In visual mode:
CTRL-N create new cursor and select next word matching current selection
CTRL-X clear (skip) current selection, but select next matching word
CTRL-P remove least recently added cursor
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The operator creates a new cursor at the start of every line covered
by the given range.
It is currently only available as CTRL+O in visual mode.
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This cleans up the existing selection handling code and adds the
necessary bits to eventually support multiple cursors/selections.
The cursor position is kept track of using marks, which means
retrieving the cursor position is no longer a constant time operation.
Furthermore the terminal cursor is no longer used, instead the whole
window is redrawn after every cursor movement.
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By now ui-curses.[hc] are the only files dealing directly with
curses related functions. Integration of a proper mainloop is
still pending.
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Recognized formats are:
CTRL-V nnn decimal value nnn
CTRL-V onnn or CTRL-V Onnn octal value nnn
CTRL-V xnn or CTRL-V Xnn hex value nn
CTRL-V unnnn Unicode codepoint nnnn
CTRL-V Unnnnnnnn Unicode codepoint nnnnnnnn
Leading zeros can be omitted, any illegal character for the given
format will be ignored and terminates the numerical code.
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If we use the file / virtual memory system as cache (using mmap(2))
and another process truncates the file we are editing, we have a
problem. All we can do is catch the resulting SIGBUS, close the
corresponding window and print a warning message.
To test this use:
$ dd if=/dev/zero of=TEST bs=8M count=1
$ vis TEST
:! echo TRUNCATE > TEST
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Closes #60
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For this to work make sure you have vis-open and slmenu or dmenu
somewhere in $PATH.
For now the file dialog is shown for :open, :split and :vsplit
when the argument is either . (a dot) or looks like a file pattern.
For example
:open *.[ch]
will show a listing of all C source and header files in the current
directory. Use a fuzzy search to make your choice.
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dd on the last line now moves the cursor to the start of the
preceding line.
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This allows to feed keyboard input from a file as in:
cat keyboard-input | vis input-file
which will be used for testing purposes.
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Also apply syntax rules every time the file name changes.
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These movements always keep the cursor on the same line and do
not move over newlines.
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Enable/disable by setting to 0/1 respectively:
:set show spaces=0 tabs=0 newlines=1
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Using FD_ISSET on negative file descriptors results in breakage.
Closes #55.
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While it is slower, it allows to move to characters which are
currently not visible. This will be handy when experimenting
with multiple cursors.
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View should only display the file content, but not modify it.
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This is a bit of a hack, since now the callers range
is modified. The various cmd_* functions should probably
take a const Filerange pointer as argument and modify
a local Filerange variable if needed.
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Currently the following arguments are accepted:
{count} Go to older text state {count} times.
{N}s Go to older text state about {N} seconds before.
{N}m Go to older text state about {N} minutes before.
{N}h Go to older text state about {N} hours before.
{N}d Go to older text state about {N} days before
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If no range is given then stdin is passed through which allows
interactive usage as in
:!ls -1 *.c | slmenu
For this to work the command needs to use stderr for its user
interface and write any data for vis to stdout.
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Now it works properly, `vis -- -v` edit a file named `-v`. Also added the
proper info to the man page.
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Signed-off-by: Silvan Jegen <s.jegen@gmail.com>
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Note that currently all windows are redrawn, this could be
further optimized to only redraw the affected windows.
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A single '-' indicates read from stdin.
Also adjust coding style.
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Signed-off-by: Christian Hesse <mail@eworm.de>
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The man page states this is possible, so add the code.
Signed-off-by: Christian Hesse <mail@eworm.de>
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