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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.
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* $Id$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include "tmux.h"
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/*
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* Clear pane history.
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*/
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enum cmd_retval cmd_clear_history_exec(struct cmd *, struct cmd_q *);
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const struct cmd_entry cmd_clear_history_entry = {
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"clear-history", "clearhist",
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"t:", 0, 0,
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CMD_TARGET_PANE_USAGE,
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0,
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NULL,
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NULL,
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cmd_clear_history_exec
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};
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enum cmd_retval
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cmd_clear_history_exec(struct cmd *self, struct cmd_q *cmdq)
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{
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struct args *args = self->args;
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struct window_pane *wp;
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struct grid *gd;
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if (cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp) == NULL)
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return (CMD_RETURN_ERROR);
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gd = wp->base.grid;
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grid_move_lines(gd, 0, gd->hsize, gd->sy);
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gd->hsize = 0;
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return (CMD_RETURN_NORMAL);
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}
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