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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

16
cmd-split-window.c
View File

@ -28,7 +28,7 @@
*/
void cmd_split_window_key_binding(struct cmd *, int);
enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_split_window_entry = {
"split-window", "splitw",
@ -50,7 +50,7 @@ cmd_split_window_key_binding(struct cmd *self, int key)
}
enum cmd_retval
cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct session *s;
@ -69,7 +69,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
struct format_tree *ft;
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);
w = wl->window;
@ -82,7 +82,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd = options_get_string(&s->options, "default-command");
else
cmd = args->argv[0];
cwd = cmd_get_default_path(ctx, args_get(args, 'c'));
cwd = cmd_get_default_path(cmdq, args_get(args, 'c'));
type = LAYOUT_TOPBOTTOM;
if (args_has(args, 'h'))
@ -151,14 +151,14 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
template = SPLIT_WINDOW_TEMPLATE;
ft = format_create();
if ((c = cmd_find_client(ctx, NULL, 1)) != NULL)
format_client(ft, c);
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, new_wp);
cp = format_expand(ft, template);
ctx->print(ctx, "%s", cp);
cmdq_print(cmdq, "%s", cp);
free(cp);
format_free(ft);
@ -170,7 +170,7 @@ error:
environ_free(&env);
if (new_wp != NULL)
window_remove_pane(w, new_wp);
ctx->error(ctx, "create pane failed: %s", cause);
cmdq_error(cmdq, "create pane failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}