tmux/server-fn.c

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/* $Id: server-fn.c,v 1.42 2008-06-16 17:35:40 nicm Exp $ */
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/*
* Copyright (c) 2007 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 <string.h>
#include <unistd.h>
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#include "tmux.h"
void
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server_write_client(
struct client *c, enum hdrtype type, const void *buf, size_t len)
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{
struct hdr hdr;
log_debug("writing %d to client %d", type, c->fd);
hdr.type = type;
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hdr.size = len;
buffer_write(c->out, &hdr, sizeof hdr);
if (buf != NULL)
buffer_write(c->out, buf, len);
}
void
server_write_session(
struct session *s, enum hdrtype type, const void *buf, size_t len)
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{
struct client *c;
u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session == s)
server_write_client(c, type, buf, len);
}
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}
void
server_write_window(
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struct window *w, enum hdrtype type, const void *buf, size_t len)
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{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
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if (c == NULL || c->session == NULL)
continue;
if (c->session->curw->window == w)
server_write_client(c, type, buf, len);
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}
}
void
server_redraw_client(struct client *c)
{
c->flags |= CLIENT_REDRAW;
}
void
server_status_client(struct client *c)
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{
c->flags |= CLIENT_STATUS;
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}
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void
server_redraw_session(struct session *s)
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{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session == s)
server_redraw_client(c);
}
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}
void
server_status_session(struct session *s)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session == s)
server_status_client(c);
}
}
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void
server_redraw_window(struct window *w)
{
struct client *c;
u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session->curw->window == w)
server_redraw_client(c);
}
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}
void
server_status_window(struct window *w)
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{
struct session *s;
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u_int i;
/*
* This is slightly different. We want to redraw the status line of any
* clients containing this window rather than any where it is the
* current window.
*/
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
s = ARRAY_ITEM(&sessions, i);
if (s != NULL && session_has(s, w))
server_status_session(s);
}
}
void printflike2
server_write_message(struct client *c, const char *fmt, ...)
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{
struct screen_redraw_ctx ctx;
va_list ap;
char *msg;
size_t size;
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u_int slines;
slines = options_get_number(&c->session->options, "status-lines");
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screen_redraw_start_client(&ctx, c);
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va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
msg = xrealloc(msg, 1, c->sx + 1);
msg[c->sx] = '\0';
size = strlen(msg);
if (size < c->sx)
memset(msg + size, ' ', c->sx - size);
screen_redraw_move_cursor(&ctx, 0, c->sy - 1);
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, 0x88);
screen_redraw_write_string(&ctx, "%s", msg);
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buffer_flush(c->tty.fd, c->tty.in, c->tty.out);
usleep(750000);
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memset(msg, ' ', c->sx);
screen_redraw_move_cursor(&ctx, 0, c->sy - 1);
screen_redraw_set_attributes(&ctx, 0, 0x88);
screen_redraw_write_string(&ctx, "%s", msg);
xfree(msg);
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if (slines == 0) {
screen_redraw_lines(&ctx, c->sy - 1, 1);
screen_redraw_stop(&ctx);
} else {
screen_redraw_stop(&ctx);
server_status_client(c);
}
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}