tmux/cmd-choose-buffer.c
Tiago Cunha bf1e237410 Sync OpenBSD patchset 726:
Add a choose-buffer command for easier use of the paste buffer stack.
2010-06-22 23:35:20 +00:00

147 lines
3.6 KiB
C

/* $Id: cmd-choose-buffer.c,v 1.1 2010-06-22 23:35:20 tcunha Exp $ */
/*
* Copyright (c) 2010 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <ctype.h>
#include "tmux.h"
/*
* Enter choice mode to choose a buffer.
*/
int cmd_choose_buffer_exec(struct cmd *, struct cmd_ctx *);
void cmd_choose_buffer_callback(void *, int);
void cmd_choose_buffer_free(void *);
const struct cmd_entry cmd_choose_buffer_entry = {
"choose-buffer", NULL,
CMD_TARGET_WINDOW_USAGE " [template]",
CMD_ARG01, "",
cmd_target_init,
cmd_target_parse,
cmd_choose_buffer_exec,
cmd_target_free,
cmd_target_print
};
struct cmd_choose_buffer_data {
struct client *client;
char *template;
};
int
cmd_choose_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct cmd_choose_buffer_data *cdata;
struct session *s;
struct winlink *wl;
struct paste_buffer *pb;
u_int idx;
char *tmp;
if (ctx->curclient == NULL) {
ctx->error(ctx, "must be run interactively");
return (-1);
}
s = ctx->curclient->session;
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return (-1);
if (paste_get_top(&s->buffers) == NULL)
return (0);
if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
return (0);
idx = 0;
while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) {
tmp = paste_print(pb, 50);
window_choose_add(wl->window->active, idx - 1,
"%u: %zu bytes: \"%s\"", idx - 1, pb->size, tmp);
xfree(tmp);
}
cdata = xmalloc(sizeof *cdata);
if (data->arg != NULL)
cdata->template = xstrdup(data->arg);
else
cdata->template = xstrdup("paste-buffer -b '%%'");
cdata->client = ctx->curclient;
cdata->client->references++;
window_choose_ready(wl->window->active,
0, cmd_choose_buffer_callback, cmd_choose_buffer_free, cdata);
return (0);
}
void
cmd_choose_buffer_callback(void *data, int idx)
{
struct cmd_choose_buffer_data *cdata = data;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
char *template, *cause, tmp[16];
if (idx == -1)
return;
if (cdata->client->flags & CLIENT_DEAD)
return;
xsnprintf(tmp, sizeof tmp, "%u", idx);
template = cmd_template_replace(cdata->template, tmp, 1);
if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
if (cause != NULL) {
*cause = toupper((u_char) *cause);
status_message_set(cdata->client, "%s", cause);
xfree(cause);
}
xfree(template);
return;
}
xfree(template);
ctx.msgdata = NULL;
ctx.curclient = cdata->client;
ctx.error = key_bindings_error;
ctx.print = key_bindings_print;
ctx.info = key_bindings_info;
ctx.cmdclient = NULL;
cmd_list_exec(cmdlist, &ctx);
cmd_list_free(cmdlist);
}
void
cmd_choose_buffer_free(void *data)
{
struct cmd_choose_buffer_data *cdata = data;
cdata->client->references--;
xfree(cdata->template);
xfree(cdata);
}