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Incomplete resize support.

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This commit is contained in:
Nicholas Marriott 2007-10-04 19:03:52 +00:00
parent 418fb3938d
commit 1f9a8e70d9
13 changed files with 182 additions and 45 deletions
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10
CHANGES
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@ -1,8 +1,10 @@
04 October 2007
* (mxey) Added my tmux start script as an example (examples/start-tmux.sh)
* (mxey) New sessions can now be given a command for their first window
* (mxey) Fixed usage statemnt for new-window
* (nicm) Partial resizing support. Still buggy. A C-b S and back sometimes fixes
it when it goes wonky.
* (mxey) Added my tmux start script as an example (examples/start-tmux.sh).
* (mxey) New sessions can now be given a command for their first window.
* (mxey) Fixed usage statement for new-window.
* (nicm) attach-session (can't believe I forgot it until now!) and list-windows
commands.
* (nicm) rename-window and select-window commands.
@ -115,5 +117,5 @@
(including mutt, emacs). No status bar yet and no key remapping or other
customisation.
$Id: CHANGES,v 1.34 2007-10-04 14:14:12 mxey Exp $
$Id: CHANGES,v 1.35 2007-10-04 19:03:51 nicm Exp $

4
Makefile
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@ -1,4 +1,4 @@
# $Id: Makefile,v 1.22 2007-10-04 11:52:02 nicm Exp $
# $Id: Makefile,v 1.23 2007-10-04 19:03:51 nicm Exp $
.SUFFIXES: .c .o .y .h
.PHONY: clean
@ -18,7 +18,7 @@ META?= \002 # C-b
SRCS= tmux.c server.c server-msg.c server-fn.c buffer.c buffer-poll.c status.c \
xmalloc.c xmalloc-debug.c input.c input-keys.c screen.c window.c \
session.c local.c log.c client.c client-msg.c client-fn.c key-string.c \
key-bindings.c cmd.c cmd-new-session.c cmd-detach-session.c \
key-bindings.c resize.c cmd.c cmd-new-session.c cmd-detach-session.c \
cmd-list-sessions.c cmd-new-window.c cmd-next-window.c cmd-bind-key.c \
cmd-unbind-key.c cmd-previous-window.c cmd-last-window.c cmd-list-keys.c \
cmd-set-option.c cmd-rename-window.c cmd-select-window.c \

4
client.c
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@ -1,4 +1,4 @@
/* $Id: client.c,v 1.12 2007-10-04 11:52:02 nicm Exp $ */
/* $Id: client.c,v 1.13 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -175,7 +175,7 @@ client_main(struct client_ctx *cctx)
if (error != NULL) {
if (*error == '\0') {
printf("[exited]\n", error);
printf("[exited]\n");
return (0);
}
printf("[error: %s]\n", error);

3
cmd-attach-session.c
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@ -1,4 +1,4 @@
/* $Id: cmd-attach-session.c,v 1.1 2007-10-04 11:52:03 nicm Exp $ */
/* $Id: cmd-attach-session.c,v 1.2 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -55,5 +55,6 @@ cmd_attach_session_exec(unused void *ptr, struct cmd_ctx *ctx)
c->session = s;
server_write_client(c, MSG_READY, NULL, 0);
recalculate_sizes();
server_redraw_client(c);
}

4
cmd-new-session.c
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@ -1,4 +1,4 @@
/* $Id: cmd-new-session.c,v 1.6 2007-10-04 13:43:14 mxey Exp $ */
/* $Id: cmd-new-session.c,v 1.7 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -99,7 +99,7 @@ cmd_new_session_usage(void)
void
cmd_new_session_exec(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_new_session_data *data = ptr, std = { NULL, 0 };
struct cmd_new_session_data *data = ptr, std = { NULL, NULL, 0 };
struct client *c = ctx->client;
char *cmd;
u_int sy;

6
input.c
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@ -1,4 +1,4 @@
/* $Id: input.c,v 1.19 2007-10-03 10:18:32 nicm Exp $ */
/* $Id: input.c,v 1.20 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -427,7 +427,9 @@ void
input_handle_character(u_char ch, struct input_ctx *ictx)
{
log_debug2("-- ch %zu: %hhu (%c)", ictx->off, ch, ch);
if (ictx->s->cx > ictx->s->sx - 1 || ictx->s->cy > ictx->s->sy - 1)
return;
screen_write_character(ictx->s, ch);
input_store8(ictx->b, ch);
}

102
resize.c Normal file
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@ -0,0 +1,102 @@
/* $Id: resize.c,v 1.1 2007-10-04 19:03:51 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"
/*
* Recalculate window and session sizes.
*
* Every session has the size of the smallest client it is attached to and
* every window the size of the smallest session it is attached to.
*
* So, when a client is resized or a session attached to or detached from a
* client, the window sizes must be recalculated. For each session, find the
* smallest client it is attached to, and resize it to that size. Then for
* every window, find the smallest session it is attached to, resize it to that
* size and clear and redraw every client with it as the current window.
*
* This is quite inefficient - better/additional data structures are needed
* to make it better.
*/
void
recalculate_sizes(void)
{
struct session *s;
struct client *c;
struct window *w;
u_int i, j, ssx, ssy;
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
s = ARRAY_ITEM(&sessions, i);
if (s == NULL)
continue;
ssx = ssy = UINT_MAX;
for (j = 0; j < ARRAY_LENGTH(&clients); j++) {
c = ARRAY_ITEM(&clients, j);
if (c == NULL || c->session != s)
continue;
if (c->sx < ssx)
ssx = c->sx;
if (c->sy < ssy)
ssy = c->sy;
}
if (ssy < status_lines)
ssy = status_lines + 1;
ssy -= status_lines;
if (s->sx == ssx && s->sy == ssy)
continue;
log_debug(
"session size %u,%u (was %u,%u)", ssx, ssy, s->sx, s->sy);
s->sx = ssx;
s->sy = ssy;
}
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
w = ARRAY_ITEM(&windows, i);
if (w == NULL)
continue;
ssx = ssy = UINT_MAX;
for (j = 0; j < ARRAY_LENGTH(&sessions); j++) {
s = ARRAY_ITEM(&sessions, j);
if (s == NULL || !session_has(s, w))
continue;
if (s->sx < ssx)
ssx = s->sx;
if (s->sy < ssy)
ssy = s->sy;
}
if (w->screen.sx == ssx && w->screen.sy == ssy)
continue;
log_debug("window size %u,%u (was %u,%u)",
ssx, ssy, w->screen.sx, w->screen.sy);
server_clear_window(w);
window_resize(w, ssx, ssy);
server_redraw_window(w);
}
}

5
screen.c
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@ -1,4 +1,4 @@
/* $Id: screen.c,v 1.19 2007-10-01 14:18:42 nicm Exp $ */
/* $Id: screen.c,v 1.20 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -87,6 +87,9 @@ screen_resize(struct screen *s, u_int sx, u_int sy)
s->sx = sx;
s->sy = sy;
s->ry_upper = 0;
s->ry_lower = screen_last_y(s);
log_debug("resizing screen (%u, %u) -> (%u, %u)", ox, oy, sx, sy);
if (sy < oy) {

43
server-fn.c
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@ -1,4 +1,4 @@
/* $Id: server-fn.c,v 1.17 2007-10-04 10:39:07 nicm Exp $ */
/* $Id: server-fn.c,v 1.18 2007-10-04 19:03:51 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -128,7 +128,7 @@ server_redraw_status(struct client *c)
struct hdr hdr;
size_t size;
if (status_lines == 0)
if (status_lines == 0 || c->sy <= status_lines)
return;
buffer_ensure(c->out, sizeof hdr);
@ -144,11 +144,35 @@ server_redraw_status(struct client *c)
}
void
server_redraw_client(struct client *c)
server_clear_client(struct client *c)
{
struct screen *s = &c->session->window->screen;
struct hdr hdr;
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);
for (i = 0; i < s->sy; i++) {
input_store_two(c->out, CODE_CURSORMOVE, i + 1, 1);
input_store_zero(c->out, CODE_CLEARLINE);
}
size = BUFFER_USED(c->out) - size;
hdr.type = MSG_DATA;
hdr.size = size;
memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
}
void
server_redraw_client(struct client *c)
{
struct screen *s = &c->session->window->screen;
struct hdr hdr;
size_t size;
buffer_ensure(c->out, sizeof hdr);
buffer_add(c->out, sizeof hdr);
@ -181,6 +205,19 @@ server_redraw_session(struct session *s)
}
}
void
server_clear_window(struct window *w)
{
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 && c->session->window == w)
server_clear_client(c);
}
}
void
server_redraw_window(struct window *w)
{

29
server-msg.c
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@ -1,4 +1,4 @@
/* $Id: server-msg.c,v 1.23 2007-10-04 11:52:03 nicm Exp $ */
/* $Id: server-msg.c,v 1.24 2007-10-04 19:03:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -150,7 +150,7 @@ server_msg_fn_identify(struct hdr *hdr, struct client *c)
fatalx("bad MSG_IDENTIFY size");
buffer_read(c->in, &data, sizeof data);
log_debug("got identify msg from client: %u,%u", data.sx, data.sy);
log_debug("identify msg from client: %u,%u", data.sx, data.sy);
c->sx = data.sx;
c->sy = data.sy;
@ -164,12 +164,13 @@ int
server_msg_fn_resize(struct hdr *hdr, struct client *c)
{
struct msg_resize_data data;
u_int sy;
if (hdr->size != sizeof data)
fatalx("bad MSG_RESIZE size");
buffer_read(c->in, &data, sizeof data);
log_debug("resize msg from client: %u,%u", data.sx, data.sy);
c->sx = data.sx;
if (c->sx == 0)
c->sx = 80;
@ -177,27 +178,7 @@ server_msg_fn_resize(struct hdr *hdr, struct client *c)
if (c->sy == 0)
c->sy = 25;
sy = c->sy;
if (sy < status_lines)
sy = status_lines + 1;
sy -= status_lines;
/* XXX */
/*
* Okay. Need to be able to recalculate sizes:
* - every session has the size of the smallest client it is
* attached to
* - every window has the size of the smallest session it is
* attached to
*
* So, when a client is resized or a session added to a new client:
* - find the smallest client it is attached to, and resize to
* that size
* And when a session's window changes or a window is added/removed
* from a session:
* - find the smallest session the window is attached to
* and use that
*/
recalculate_sizes();
return (0);
}

6
server.c
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@ -1,4 +1,4 @@
/* $Id: server.c,v 1.23 2007-10-04 11:52:03 nicm Exp $ */
/* $Id: server.c,v 1.24 2007-10-04 19:03:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -309,6 +309,8 @@ server_lost_client(struct client *c)
buffer_destroy(c->in);
buffer_destroy(c->out);
xfree(c);
recalculate_sizes();
}
/* Handle window data. */
@ -376,5 +378,7 @@ server_lost_window(struct window *w)
server_redraw_client(c);
}
}
recalculate_sizes();
}

4
status.c
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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.2 2007-10-03 23:32:26 nicm Exp $ */
/* $Id: status.c,v 1.3 2007-10-04 19:03:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -37,7 +37,7 @@ status_write(struct client *c)
input_store_two(b, CODE_CURSORMOVE, c->sy - status_lines + 1, 1);
input_store_two(b, CODE_ATTRIBUTES, ATTR_REVERSE, 0x20);
size = s->sx;
size = c->sx;
for (i = 0; i < ARRAY_LENGTH(&c->session->windows); i++) {
w = ARRAY_ITEM(&c->session->windows, i);
if (w == NULL)

7
tmux.h
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@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.47 2007-10-04 11:52:03 nicm Exp $ */
/* $Id: tmux.h,v 1.48 2007-10-04 19:03:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -593,14 +593,19 @@ void server_write_session(
void server_write_window(
struct window *, enum hdrtype, const void *, size_t);
void server_redraw_status(struct client *);
void server_clear_client(struct client *);
void server_redraw_client(struct client *);
void server_redraw_session(struct session *);
void server_clear_window(struct window *);
void server_redraw_window(struct window *);
void server_write_message(struct client *, const char *, ...);
/* status.c */
void status_write(struct client *c);
/* resize.c */
void recalculate_sizes(void);
/* input.c */
void input_init(struct input_ctx *, struct screen *);
void input_free(struct input_ctx *);