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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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"
void
resize_window(struct window *w, u_int sx, u_int sy, int xpixel, int ypixel)
{
int zoomed;
/* Check size limits. */
if (sx < WINDOW_MINIMUM)
sx = WINDOW_MINIMUM;
if (sx > WINDOW_MAXIMUM)
sx = WINDOW_MAXIMUM;
if (sy < WINDOW_MINIMUM)
sy = WINDOW_MINIMUM;
if (sy > WINDOW_MAXIMUM)
sy = WINDOW_MAXIMUM;
/* If the window is zoomed, unzoom. */
zoomed = w->flags & WINDOW_ZOOMED;
if (zoomed)
window_unzoom(w);
/* Resize the layout first. */
layout_resize(w, sx, sy);
/* Resize the window, it can be no smaller than the layout. */
if (sx < w->layout_root->sx)
sx = w->layout_root->sx;
if (sy < w->layout_root->sy)
sy = w->layout_root->sy;
window_resize(w, sx, sy, xpixel, ypixel);
log_debug("%s: @%u resized to %ux%u; layout %ux%u", __func__, w->id,
sx, sy, w->layout_root->sx, w->layout_root->sy);
/* Restore the window zoom state. */
if (zoomed)
window_zoom(w->active);
tty_update_window_offset(w);
server_redraw_window(w);
notify_window("window-layout-changed", w);
w->flags &= ~WINDOW_RESIZE;
}
static int
ignore_client_size(struct client *c)
{
struct client *loop;
if (c->session == NULL)
return (1);
if (c->flags & CLIENT_NOSIZEFLAGS)
return (1);
if (c->flags & CLIENT_IGNORESIZE) {
/*
* Ignore flagged clients if there are any attached clients
* that aren't flagged.
*/
TAILQ_FOREACH (loop, &clients, entry) {
if (loop->session == NULL)
continue;
if (loop->flags & CLIENT_NOSIZEFLAGS)
continue;
if (~loop->flags & CLIENT_IGNORESIZE)
return (1);
}
}
if ((c->flags & CLIENT_CONTROL) && (~c->flags & CLIENT_SIZECHANGED))
return (1);
return (0);
}
static u_int
clients_with_window(struct window *w)
{
struct client *loop;
u_int n = 0;
TAILQ_FOREACH(loop, &clients, entry) {
if (ignore_client_size(loop) || !session_has(loop->session, w))
continue;
if (++n > 1)
break;
}
return (n);
}
static int
clients_calculate_size(int type, int current, struct client *c,
struct session *s, struct window *w, int (*skip_client)(struct client *,
int, int, struct session *, struct window *), u_int *sx, u_int *sy,
u_int *xpixel, u_int *ypixel)
{
struct client *loop;
u_int cx, cy, n = 0;
/* Manual windows do not have their size changed based on a client. */
if (type == WINDOW_SIZE_MANUAL) {
log_debug("%s: type is manual", __func__);
return (0);
}
/*
* Start comparing with 0 for largest and UINT_MAX for smallest or
* latest.
*/
if (type == WINDOW_SIZE_LARGEST)
*sx = *sy = 0;
else
*sx = *sy = UINT_MAX;
*xpixel = *ypixel = 0;
/*
* For latest, count the number of clients with this window. We only
* care if there is more than one.
*/
if (type == WINDOW_SIZE_LATEST && w != NULL)
n = clients_with_window(w);
/* Loop over the clients and work out the size. */
TAILQ_FOREACH(loop, &clients, entry) {
if (loop != c && ignore_client_size(loop)) {
log_debug("%s: ignoring %s", __func__, loop->name);
continue;
}
if (loop != c && skip_client(loop, type, current, s, w)) {
log_debug("%s: skipping %s", __func__, loop->name);
continue;
}
/*
* If there are multiple clients attached, only accept the
* latest client; otherwise let the only client be chosen as
* for smallest.
*/
if (type == WINDOW_SIZE_LATEST && n > 1 && loop != w->latest) {
log_debug("%s: %s is not latest", __func__, loop->name);
continue;
}
/* Work out this client's size. */
cx = loop->tty.sx;
cy = loop->tty.sy - status_line_size(loop);
/*
* If it is larger or smaller than the best so far, update the
* new size.
*/
if (type == WINDOW_SIZE_LARGEST) {
if (cx > *sx)
*sx = cx;
if (cy > *sy)
*sy = cy;
} else {
if (cx < *sx)
*sx = cx;
if (cy < *sy)
*sy = cy;
}
if (loop->tty.xpixel > *xpixel && loop->tty.ypixel > *ypixel) {
*xpixel = loop->tty.xpixel;
*ypixel = loop->tty.ypixel;
}
log_debug("%s: after %s (%ux%u), size is %ux%u", __func__,
loop->name, cx, cy, *sx, *sy);
}
if (*sx != UINT_MAX && *sy != UINT_MAX)
log_debug("%s: calculated size %ux%u", __func__, *sx, *sy);
else
log_debug("%s: no calculated size", __func__);
/* Return whether a suitable size was found. */
if (type == WINDOW_SIZE_LARGEST) {
log_debug("%s: type is largest", __func__);
return (*sx != 0 && *sy != 0);
}
if (type == WINDOW_SIZE_LATEST)
log_debug("%s: type is latest", __func__);
else
log_debug("%s: type is smallest", __func__);
return (*sx != UINT_MAX && *sy != UINT_MAX);
}
static int
default_window_size_skip_client(struct client *loop, int type,
__unused int current, struct session *s, struct window *w)
{
/*
* Latest checks separately, so do not check here. Otherwise only
* include clients where the session contains the window or where the
* session is the given session.
*/
if (type == WINDOW_SIZE_LATEST)
return (0);
if (w != NULL && !session_has(loop->session, w))
return (1);
if (w == NULL && loop->session != s)
return (1);
return (0);
}
void
default_window_size(struct client *c, struct session *s, struct window *w,
u_int *sx, u_int *sy, u_int *xpixel, u_int *ypixel, int type)
{
const char *value;
/* Get type if not provided. */
if (type == -1)
type = options_get_number(global_w_options, "window-size");
/*
* Latest clients can use the given client if suitable. If there is no
* client and no window, use the default size as for manual type.
*/
if (type == WINDOW_SIZE_LATEST && c != NULL && !ignore_client_size(c)) {
*sx = c->tty.sx;
*
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