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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-break-pane.c
View File

@ -26,7 +26,7 @@
* Break pane off into a window.
*/
enum cmd_retval cmd_break_pane_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_break_pane_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_break_pane_entry = {
"break-pane", "breakp",
@ -39,7 +39,7 @@ const struct cmd_entry cmd_break_pane_entry = {
};
enum cmd_retval
cmd_break_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_break_pane_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct winlink *wl;
@ -54,11 +54,11 @@ cmd_break_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
const char *template;
char *cp;
if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
if (window_count_panes(wl->window) == 1) {
ctx->error(ctx, "can't break with only one pane");
cmdq_error(cmdq, "can't break with only one pane");
return (CMD_RETURN_ERROR);
}
@ -97,14 +97,14 @@ cmd_break_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
template = BREAK_PANE_TEMPLATE;
ft = format_create();
if ((c = cmd_find_client(ctx, NULL, 1)) != NULL)
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, wl);
format_window_pane(ft, wp);
cp = format_expand(ft, template);
ctx->print(ctx, "%s", cp);
cmdq_print(cmdq, "%s", cp);
free(cp);
format_free(ft);