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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

14
cmd-select-pane.c
View File

@@ -25,7 +25,7 @@
*/
void cmd_select_pane_key_binding(struct cmd *, int);
enum cmd_retval cmd_select_pane_exec(struct cmd *, struct cmd_ctx *);
enum cmd_retval cmd_select_pane_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_select_pane_entry = {
"select-pane", "selectp",
@@ -64,19 +64,19 @@ cmd_select_pane_key_binding(struct cmd *self, int key)
}
enum cmd_retval
cmd_select_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
cmd_select_pane_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct winlink *wl;
struct window_pane *wp;
if (self->entry == &cmd_last_pane_entry || args_has(args, 'l')) {
wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
if (wl == NULL)
return (CMD_RETURN_ERROR);
if (wl->window->last == NULL) {
ctx->error(ctx, "no last pane");
cmdq_error(cmdq, "no last pane");
return (CMD_RETURN_ERROR);
}
@@ -87,11 +87,11 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
return (CMD_RETURN_NORMAL);
}
if ((wl = cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp)) == NULL)
if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp)) == NULL)
return (CMD_RETURN_ERROR);
if (!window_pane_visible(wp)) {
ctx->error(ctx, "pane not visible");
cmdq_error(cmdq, "pane not visible");
return (CMD_RETURN_ERROR);
}
@@ -104,7 +104,7 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
else if (args_has(self->args, 'D'))
wp = window_pane_find_down(wp);
if (wp == NULL) {
ctx->error(ctx, "pane not found");
cmdq_error(cmdq, "pane not found");
return (CMD_RETURN_ERROR);
}