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-rw-r--r--server-fn.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/server-fn.c b/server-fn.c
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+++ b/server-fn.c
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+/* $Id: server-fn.c,v 1.1 2007-09-26 10:35:24 nicm Exp $ */
+
+/*
+ * 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 "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);
+}