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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
2013-03-24 09:54:10 +00:00
parent 66edb3392b
commit 20636d956d
84 changed files with 1240 additions and 1187 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
cmd-find-window.c
View File

@ -28,7 +28,7 @@
* Find window containing text.
*/
enum cmd_retval cmd_find_window_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_find_window_exec(struct cmd *, struct cmd_q *);
void cmd_find_window_callback(struct window_choose_data *);
@ -127,7 +127,7 @@ cmd_find_window_match(struct cmd_find_window_data_list *find_list,
}
enum cmd_retval
cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_find_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c;
@ -139,13 +139,13 @@ cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
const char *template;
u_int i, match_flags;
if ((c = cmd_current_client(ctx)) == NULL) {
ctx->error(ctx, "no client available");
if ((c = cmd_current_client(cmdq)) == NULL) {
cmdq_error(cmdq, "no client available");
return (CMD_RETURN_ERROR);
}
s = c->session;
if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
if ((wl = cmd_find_window(cmdq, args_get(args, 't'), NULL)) == NULL)
return (CMD_RETURN_ERROR);
if ((template = args_get(args, 'F')) == NULL)
@ -162,7 +162,7 @@ cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
free(searchstr);
if (ARRAY_LENGTH(&find_list) == 0) {
ctx->error(ctx, "no windows matching: %s", str);
cmdq_error(cmdq, "no windows matching: %s", str);
ARRAY_FREE(&find_list);
return (CMD_RETURN_ERROR);
}