From 671694ac3037055c35521f438615e4ce9daafda3 Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Wed, 26 Sep 2007 10:35:24 +0000 Subject: Cleanup part 1: split up server.c. --- server-fn.c | 162 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 server-fn.c (limited to 'server-fn.c') diff --git a/server-fn.c b/server-fn.c new file mode 100644 index 00000000..1332d03d --- /dev/null +++ b/server-fn.c @@ -0,0 +1,162 @@ +/* $Id: server-fn.c,v 1.1 2007-09-26 10:35:24 nicm Exp $ */ + +/* + * Copyright (c) 2007 Nicholas Marriott + * + * 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 + +#include + +#include "tmux.h" + +/* Write command to a client. */ +void +write_client(struct client *c, u_int cmd, void *buf, size_t len) +{ + struct hdr hdr; + + hdr.type = cmd; + hdr.size = len; + + buffer_write(c->out, &hdr, sizeof hdr); + if (buf != NULL) + buffer_write(c->out, buf, len); +} + +/* Write command to a client with two buffers. */ +void +write_client2(struct client *c, + u_int cmd, void *buf1, size_t len1, void *buf2, size_t len2) +{ + struct hdr hdr; + + hdr.type = cmd; + hdr.size = len1 + len2; + + buffer_write(c->out, &hdr, sizeof hdr); + if (buf1 != NULL) + buffer_write(c->out, buf1, len1); + if (buf2 != NULL) + buffer_write(c->out, buf2, len2); +} + +/* Write command to all clients attached to a specific window. */ +void +write_clients(struct window *w, u_int cmd, void *buf, size_t len) +{ + struct client *c; + struct hdr hdr; + u_int i; + + hdr.type = cmd; + hdr.size = len; + + for (i = 0; i < ARRAY_LENGTH(&clients); i++) { + c = ARRAY_ITEM(&clients, i); + if (c != NULL && c->session != NULL) { + if (c->session->window == w) { + buffer_write(c->out, &hdr, sizeof hdr); + if (buf != NULL) + buffer_write(c->out, buf, len); + } + } + } +} + +/* Changed client window. */ +void +changed_window(struct client *c) +{ + struct window *w; + + w = c->session->window; + if (c->sx != w->screen.sx || c->sy != w->screen.sy) + window_resize(w, c->sx, c->sy); + draw_client(c, 0, c->sy - 1); +} + +/* Draw window on client. */ +void +draw_client(struct client *c, u_int py_upper, u_int py_lower) +{ + struct hdr hdr; + size_t size; + + buffer_ensure(c->out, sizeof hdr); + buffer_add(c->out, sizeof hdr); + size = BUFFER_USED(c->out); + + screen_draw(&c->session->window->screen, c->out, py_upper, py_lower); + + size = BUFFER_USED(c->out) - size; + log_debug("redrawing screen, %zu bytes", size); + if (size != 0) { + hdr.type = MSG_OUTPUT; + hdr.size = size; + memcpy( + BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr); + } else + buffer_reverse_add(c->out, sizeof hdr); +} + + +/* Write message command to a client. */ +void +write_message(struct client *c, const char *fmt, ...) +{ + struct hdr hdr; + va_list ap; + char *msg; + size_t size; + u_int i; + + buffer_ensure(c->out, sizeof hdr); + buffer_add(c->out, sizeof hdr); + size = BUFFER_USED(c->out); + + input_store_zero(c->out, CODE_CURSOROFF); + input_store_two(c->out, CODE_CURSORMOVE, c->sy, 1); + input_store_one(c->out, CODE_ATTRIBUTES, 2); + input_store16(c->out, 0); + input_store16(c->out, 7); + va_start(ap, fmt); + xvasprintf(&msg, fmt, ap); + va_end(ap); + buffer_write(c->out, msg, strlen(msg)); + for (i = strlen(msg); i < c->sx; i++) + input_store8(c->out, ' '); + xfree(msg); + + size = BUFFER_USED(c->out) - size; + hdr.type = MSG_OUTPUT; + hdr.size = size; + memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr); + + hdr.type = MSG_PAUSE; + hdr.size = 0; + buffer_write(c->out, &hdr, sizeof hdr); + + buffer_ensure(c->out, sizeof hdr); + buffer_add(c->out, sizeof hdr); + size = BUFFER_USED(c->out); + + screen_draw(&c->session->window->screen, c->out, c->sy - 1, c->sy - 1); + + size = BUFFER_USED(c->out) - size; + hdr.type = MSG_OUTPUT; + hdr.size = size; + memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr); +} -- cgit v1.2.3