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Add a command queue to standardize and simplify commands that call other

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commands and allow a command to block execution of subsequent commands. This
allows run-shell and if-shell to be synchronous which has been much requested.

Each client has a default command queue and commands are consumed one at a time
from it. A command may suspend execution from the queue by returning
CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example
run-shell does this from the callback that is fired after the job is freed.

When the command queue becomes empty, command clients are automatically exited
(unless attaching). A callback is also fired - this is used for nested commands
in, for example, if-shell which can block execution of the client's cmdq until
a new cmdq becomes empty.

Also merge all the old error/info/print functions together and lose the old
curclient/cmdclient distinction - a cmdq is bound to one client (or none if in
the configuration file), this is a command client if c->session is NULL
otherwise an attached client.
This commit is contained in:
Nicholas Marriott
2013-02-23 22:25:58 +00:00
parent 357da035b9
commit 3964309c67
86 changed files with 1218 additions and 1219 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
cmd-move-window.c
View File

@ -26,7 +26,7 @@
* Move a window.
*/
enum cmd_retval cmd_move_window_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_move_window_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_move_window_entry = {
"move-window", "movew",
@ -39,7 +39,7 @@ const struct cmd_entry cmd_move_window_entry = {
};
enum cmd_retval
cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_move_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct session *src, *dst, *s;
@ -48,7 +48,7 @@ cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
int idx, kflag, dflag;
if (args_has(args, 'r')) {
if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
if ((s = cmd_find_session(cmdq, args_get(args, 't'), 0)) == NULL)
return (CMD_RETURN_ERROR);
session_renumber_windows(s);
@ -57,15 +57,15 @@ cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
return (CMD_RETURN_NORMAL);
}
if ((wl = cmd_find_window(ctx, args_get(args, 's'), &src)) == NULL)
if ((wl = cmd_find_window(cmdq, args_get(args, 's'), &src)) == NULL)
return (CMD_RETURN_ERROR);
if ((idx = cmd_find_index(ctx, args_get(args, 't'), &dst)) == -2)
if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &dst)) == -2)
return (CMD_RETURN_ERROR);
kflag = args_has(self->args, 'k');
dflag = args_has(self->args, 'd');
if (server_link_window(src, wl, dst, idx, kflag, !dflag, &cause) != 0) {
ctx->error(ctx, "can't move window: %s", cause);
cmdq_error(cmdq, "can't move window: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}