Commit Graph

64 Commits

Author SHA1 Message Date
nicm
723010ba72 Replace the split parser code (cfg.c and cmd-string.c) with a single
parser using yacc(1). This is a major change but is clearer and simpler
and allows some edge cases to be made more consistent, as well as
tidying up how aliases are handled. It will also allow some further
improvements later.

Entirely the same parser is now used for parsing the configuration file
and for string commands. This means that constructs previously only
available in .tmux.conf, such as %if, can now be used in string commands
(for example, those given to if-shell - not commands invoked from the
shell, they are still parsed by the shell itself).

The only syntax change I am aware of is that #{} outside quotes or a
comment is now considered a format and not a comment, so #{ is now a
syntax error (notably, if it is at the start of a line).

This also adds two new sections to the man page documenting the syntax
and outlining how parsing and command execution works.

Thanks to everyone who sent me test configs (they still all parse
without errors - but this doesn't mean they still work as intended!).

Thanks to Avi Halachmi for testing and man page improvements, also to
jmc@ for reviewing the man page changes.
2019-05-23 11:13:30 +00:00
nicm
e128c7fcd8 Replace the various identical error callbacks with a single one in cmd-queue.c. 2019-05-20 11:46:06 +00:00
nicm
82ebd98c5f Move the single command flag (CMD_CONTROL) into the shared flags. 2019-05-18 21:14:10 +00:00
nicm
e8e4f4ec3e Insert after the right element on queue. 2019-05-03 18:59:58 +00:00
nicm
cf6075fb29 Correct ordering when adding after an existing item. 2019-05-03 15:43:01 +00:00
nicm
dfb7bb6830 Merge hooks into options and make each one an array option. This allows
multiple commands to be easily bound to one hook. set-hook and
show-hooks remain but they are now variants of set-option and
show-options. show-options now has a -H flag to show hooks (by default
they are not shown).
2019-04-26 11:38:51 +00:00
nicm
78287e27c8 Break new window and pane creation common code from various commands and
window.c into a separate file spawn.c.
2019-04-17 14:37:48 +00:00
nicm
3f6bfbaf2b Allow multiple modes to be open in a pane. A stack of open modes is kept
and the previous restored when the top is exited. If a mode that is
already on the stack is entered, the existing instance is moved to the
top as the active mode rather than being opened new.
2019-03-12 11:16:49 +00:00
nicm
de730f68a4 Make the mode used to view command output (a variant of copy mode) use
its own mode definition struct with a different init function rather
than calling special setup functions.
2019-03-08 10:34:20 +00:00
nicm
3c24bc5617 Tidy changing the mode into window_copy_init_for_output. 2019-03-07 19:34:22 +00:00
nicm
17cf1b21c6 Pass flags into cmd_find_from_* to fix prefer-unattached, reported by
Thomas Sattler.
2017-08-30 10:33:57 +00:00
nicm
a67df17763 Tweak some logging. 2017-06-16 15:12:38 +00:00
nicm
aad4e4ddb1 Rewrite of choose mode, both to simplify and tidy the code and to add
some modern features.

Now the common code is in mode-tree.c, which provides an API used by the
three modes now separated into window-{buffer,client,tree}.c. Buffer
mode shows buffers, client mode clients and tree mode a tree of
sessions, windows and panes.

Each mode has a common set of key bindings plus a few that are specific
to the mode. Other changes are:

- each mode has a preview pane: for buffers this is the buffer content
  (very useful), for others it is a preview of the pane;

- items may be sorted in different ways ('O' key);

- multiple items may be tagged and an operation applied to all of them
  (for example, to delete multiple buffers at once);

- in tree mode a command may be run on the selected item (session,
  window, pane) or on tagged items (key ':');

- displayed items may be filtered in tree mode by using a format (this
  is used to implement find-window) (key 'f');

- the custom format (-F) for the display is no longer available;

- shortcut keys change from 0-9, a-z, A-Z which was always a bit weird
  with keys used for other uses to 0-9, M-a to M-z.

Now that the code is simpler, other improvements will come later.

Primary key bindings for each mode are documented under the commands in
the man page (choose-buffer, choose-client, choose-tree).

Parts written by Thomas Adam.
2017-05-30 21:44:59 +00:00
nicm
0ccfb61bb0 In order that people can use formats like #D in #() in the status line
and not have to wait for an update when they change pane, we allow
commands to run more than once a second if the expanded form
changes. Unfortunately this can mean them being run far too often
(pretty much continually) when multiple clients exist, because some
formats (including #D) will always differ between clients.

To avoid this, give each client its own tree of jobs which means that
the same command will be different instances for each client - similar
to how we have the tag to separate commands for different panes.

GitHub issue 889; test case reported by Paul Johnson.
2017-05-01 12:20:55 +00:00
nicm
ee45a8a149 Get rid of the extra layer of flags and cmd_prepare() and just store the
CMD_FIND_* flags in the cmd_entry and call it for the command. Commands
with special requirements call it themselves and update the target for
hooks to use.
2017-04-22 10:22:39 +00:00
nicm
c8ecbf38ab Log error properly when no current state, and some other minor tweaks. 2017-04-21 22:23:24 +00:00
nicm
c68ceca8cd Clear shared state if not filling it in. 2017-04-21 20:34:05 +00:00
nicm
efaf4c16cf Make the cmd_find_* functions more obvious when looking for a client,
rather than having it inside other functions. Should be no change to the
way targets are resolved just yet.
2017-04-21 20:26:34 +00:00
nicm
3c876235cc Style nits and an unused struct. 2017-04-21 18:18:17 +00:00
nicm
bba588752f Store state shared between multiple commands in the queue in a shared
structure.
2017-04-21 14:01:19 +00:00
nicm
7d23d019c0 Add a window or pane id "tag" to each format tree and use it to separate
jobs, this means that if the same job is used for different windows or
panes (for example in pane-border-format), it will be run separately for
each pane.
2017-02-03 11:57:27 +00:00
nicm
9a56671a75 Highlight all occurrences of search string after searching in copy mode. 2017-01-05 09:07:15 +00:00
nicm
2e5c49a1fd Give each item on queue a name for better logging. 2016-10-18 08:46:43 +00:00
nicm
3f35b5299f Provide a way for hooks to tag formats onto the commands they fire so
that the user can get at additional information - now used for the
"hook" format, more to come.
2016-10-16 19:36:37 +00:00
nicm
b342bd0b46 Mass rename struct cmd_q to struct cmdq_item and related. 2016-10-16 19:04:05 +00:00
nicm
ddc4512d2e Rewrite command queue handling. Each client still has a command queue,
but there is also now a global command queue. Instead of command queues
being dispatched on demand from wherever the command happens to be
added, they are now all dispatched from the top level server
loop. Command queues may now also include callbacks as well as commands,
and items may be inserted after the current command as well as at the end.

This all makes command queues significantly more predictable and easier
to use, and avoids the complex multiple nested command queues used by
source-file, if-shell and friends.

A mass rename of struct cmdq to a better name (cmdq_item probably) is
coming.
2016-10-16 17:55:14 +00:00
nicm
9b3ae84993 Drain notifys once at the end of the server loop instead of doing it
from the end of every command queue (which could be nested).
2016-10-15 00:01:01 +00:00
nicm
1721d1994e source-file and some other commands can recurse back into cmdq_continue,
which could potentially free the currently running command, so we need
to take a reference to it in cmdq_continue_one.

Fixes problem reported by Theo Buehler.
2016-10-14 18:41:53 +00:00
nicm
4289a1ebfa Trying to do hooks generically is way too complicated and unreliable and
confusing, particularly trying to automatically figure out what target
hooks should be using. So simplify it:

- drop before hooks entirely, they don't seem to be very useful;

- commands with special requirements now fire their own after hook (for
  example, if they change session or window, or if they have -t and -s
  and need to choose which one the hook uses as current target);

- commands with no special requirements can have the CMD_AFTERHOOK flag
  added and they will use the -t state.

At the moment new-session, new-window, split-window fire their own hook,
and display-message uses the flag. The remaining commands still need to
be looked at.
2016-10-13 22:48:51 +00:00
nicm
4d9e6ea310 Some improvements and bug fixes for hooks:
- Prepare the state again before the "after" hooks are run, because the
  command may have killed or moved windows.

- Use the hooks list from the newly prepared target, not the old hooks
  list (only matters for new-session really).

- Correctly detect an invalid current state and ignore it in
  cmd_find_target ("killw; swapw").

- Change neww, new, killp, killw, splitw, swapp, swapw to update the
  current state (used if no explicit target is given) to something more
  useful after they have finished. For example, neww changes it to the
  newly created window.

Hooks are still relatively new and primitive so there are likely to be
more changes to come.

Parts based on bug reports from Uwe Werler and Iblis Lin.
2016-10-13 10:01:49 +00:00
nicm
e45401846f Add static in window-*.c and move some internal functions out of tmux.h. 2016-10-11 13:21:59 +00:00
nicm
bb5798aa0e Couple of vasprintf -> xvasprintf. 2016-09-28 14:40:07 +00:00
nicm
0d84fdd953 Final parts of command hooks, add before- and after- hooks to each command. 2016-04-29 14:05:24 +00:00
nicm
b5b5221c13 Split out getting the current state from the target search so it can be
replaced if we already know the current.
2016-01-19 16:01:30 +00:00
nicm
995af0e2b7 I no longer use my SourceForge address so replace it. 2016-01-19 15:59:12 +00:00
nicm
021c64310d Add infrastructure to work out the best target given a pane or window
alone and use it to add pane_died and pane_exited hooks.
2015-12-16 21:50:37 +00:00
nicm
208e2dad1e If command returns error, report it. 2015-12-13 16:11:42 +00:00
nicm
4a4daf1303 Instead of every command resolving the target (-t or -s) itself, prepare
the state (client, session, winlink, pane) for it it before entering the
command. Each command provides some flags that tell the prepare step
what it is expecting.

This is a requirement for having hooks on commands (for example, if you
hook "select-window -t1:2", the hook command should to operate on window
1:2 not whatever it thinks is the current window), and should allow some
other target improvements.

The old cmd_find_* functions remain for the moment but that layer will
be dropped later.

Joint work with Thomas Adam.
2015-12-13 14:32:38 +00:00
nicm
6a2ca34216 Do not set a limit on the length of commands when printing them. 2015-11-27 15:06:43 +00:00
nicm
c56b81a2ce Push stdout and stderr to clients more aggressively, and add an event to
continue if the send fails.
2015-11-14 09:41:06 +00:00
nicm
c41673f3fa If we know the terminal outside tmux is not UTF-8, replace UTF-8 in
error messages and whatnot with underscores the same as we do when we
draw UTF-8 characters as part of the screen.
2015-11-12 11:10:50 +00:00
nicm
076034345a Use client pointer not file descriptor in logging. 2015-10-20 21:12:08 +00:00
nicm
c1d0b6a6ee Log when cmdq_continue is called. 2015-09-16 22:41:00 +00:00
nicm
a4b4b29987 Rename cmd_q dead flag to a general flags bitmask (will be more flags later). 2015-09-16 22:24:54 +00:00
nicm
84f0622c85 Break cmdq_continue inner loop into a helper function. 2015-06-17 17:02:15 +00:00
nicm
bf635e7741 Rewrite of tmux mouse support which was a mess. Instead of having
options for "mouse-this" and "mouse-that", mouse events may be bound as
keys and there is one option "mouse" that turns on mouse support
entirely (set -g mouse on).

See the new MOUSE SUPPORT section of the man page for description of the
key names and new flags (-t= to specify the pane or window under mouse
as a target, and send-keys -M to pass through a mouse event).

The default builtin bindings for the mouse are:

    bind -n   MouseDown1Pane select-pane -t=; send-keys -M
    bind -n MouseDown1Status select-window -t=
    bind -n   MouseDrag1Pane copy-mode -M
    bind -n MouseDrag1Border resize-pane -M

To get the effect of turning mode-mouse off, do:

    unbind -n MouseDrag1Pane
    unbind -temacs-copy MouseDrag1Pane

The old mouse options are now gone, set-option -q may be used to
suppress warnings if mixing configuration files.
2015-04-19 21:34:21 +00:00
nicm
4d05d88304 Take a reference to prevent cmdq being freed during the command. Can
happen to cfg_cmd_q (possibly others) when source-file recurses into
cmdq_continue. Fixes bug reported by Ismail Donmez and Theo Buehler.
2015-02-12 09:56:19 +00:00
nicm
e5d9ceff18 There is no need to save the guard state because the function checks it
again anyway.
2015-02-05 10:26:29 +00:00
nicm
b496b1fe11 Move cfg_causes local into cfg.c and remove struct causelist. 2014-10-27 22:23:47 +00:00
nicm
85671a5bed Save next item after firing command in case it has added to the queue. 2014-10-21 22:06:46 +00:00