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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
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14
cmd-select-layout.c
View File

@ -25,7 +25,7 @@
*/
void cmd_select_layout_key_binding(struct cmd *, int);
enum cmd_retval cmd_select_layout_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_select_layout_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_select_layout_entry = {
"select-layout", "selectl",
@ -83,14 +83,14 @@ cmd_select_layout_key_binding(struct cmd *self, int key)
}
enum cmd_retval
cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_select_layout_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct winlink *wl;
const char *layoutname;
int next, previous, layout;
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);
next = self->entry == &cmd_next_layout_entry;
@ -106,7 +106,7 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx)
else
layout = layout_set_previous(wl->window);
server_redraw_window(wl->window);
ctx->info(ctx, "arranging in: %s", layout_set_name(layout));
cmdq_info(cmdq, "arranging in: %s", layout_set_name(layout));
return (CMD_RETURN_NORMAL);
}
@ -117,18 +117,18 @@ cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx)
if (layout != -1) {
layout = layout_set_select(wl->window, layout);
server_redraw_window(wl->window);
ctx->info(ctx, "arranging in: %s", layout_set_name(layout));
cmdq_info(cmdq, "arranging in: %s", layout_set_name(layout));
return (CMD_RETURN_NORMAL);
}
if (args->argc != 0) {
layoutname = args->argv[0];
if (layout_parse(wl->window, layoutname) == -1) {
ctx->error(ctx, "can't set layout: %s", layoutname);
cmdq_error(cmdq, "can't set layout: %s", layoutname);
return (CMD_RETURN_ERROR);
}
server_redraw_window(wl->window);
ctx->info(ctx, "arranging in: %s", layoutname);
cmdq_info(cmdq, "arranging in: %s", layoutname);
}
return (CMD_RETURN_NORMAL);
}