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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
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16
cmd-list-keys.c
View File

@ -26,8 +26,8 @@
* List key bindings.
*/
enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_q *);
enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_list_keys_entry = {
"list-keys", "lsk",
@ -40,7 +40,7 @@ const struct cmd_entry cmd_list_keys_entry = {
};
enum cmd_retval
cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct key_binding *bd;
@ -50,7 +50,7 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
int width, keywidth;
if (args_has(args, 't'))
return (cmd_list_keys_table(self, ctx));
return (cmd_list_keys_table(self, cmdq));
width = 0;
@ -91,14 +91,14 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
continue;
cmd_list_print(bd->cmdlist, tmp + used, (sizeof tmp) - used);
ctx->print(ctx, "bind-key %s", tmp);
cmdq_print(cmdq, "bind-key %s", tmp);
}
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
const char *tablename;
@ -109,7 +109,7 @@ cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
tablename = args_get(args, 't');
if ((mtab = mode_key_findtable(tablename)) == NULL) {
ctx->error(ctx, "unknown key table: %s", tablename);
cmdq_error(cmdq, "unknown key table: %s", tablename);
return (CMD_RETURN_ERROR);
}
@ -138,7 +138,7 @@ cmd_list_keys_table(struct cmd *self, struct cmd_ctx *ctx)
mode = "c";
cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd);
if (cmdstr != NULL) {
ctx->print(ctx, "bind-key -%st %s%s %*s %s%s%s%s",
cmdq_print(cmdq, "bind-key -%st %s%s %*s %s%s%s%s",
mode, any_mode && *mode == '\0' ? " " : "",
mtab->name, (int) width, key, cmdstr,
mbind->arg != NULL ? " \"" : "",