mirror of
https://github.com/tmux/tmux.git
synced 2024-11-18 10:28:54 +00:00
df0334d3b3
was output in the pane faster than the timer would fire, so change how it works to only defer the timer again if the pane was actually resized within the last timer period. Reported by James Tai in GitHub issue 1880.
1607 lines
33 KiB
C
1607 lines
33 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fnmatch.h>
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#include <regex.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <util.h>
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#include <vis.h>
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#include "tmux.h"
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/*
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* Each window is attached to a number of panes, each of which is a pty. This
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* file contains code to handle them.
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*
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* A pane has two buffers attached, these are filled and emptied by the main
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* server poll loop. Output data is received from pty's in screen format,
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* translated and returned as a series of escape sequences and strings via
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* input_parse (in input.c). Input data is received as key codes and written
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* directly via input_key.
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*
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* Each pane also has a "virtual" screen (screen.c) which contains the current
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* state and is redisplayed when the window is reattached to a client.
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*
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* Windows are stored directly on a global array and wrapped in any number of
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* winlink structs to be linked onto local session RB trees. A reference count
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* is maintained and a window removed from the global list and destroyed when
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* it reaches zero.
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*/
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/* Global window list. */
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struct windows windows;
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/* Global panes tree. */
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struct window_pane_tree all_window_panes;
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static u_int next_window_pane_id;
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static u_int next_window_id;
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static u_int next_active_point;
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/* List of window modes. */
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const struct window_mode *all_window_modes[] = {
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&window_buffer_mode,
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&window_client_mode,
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&window_clock_mode,
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&window_copy_mode,
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&window_tree_mode,
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&window_view_mode,
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NULL
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};
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struct window_pane_input_data {
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struct cmdq_item *item;
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u_int wp;
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};
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static struct window_pane *window_pane_create(struct window *, u_int, u_int,
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u_int);
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static void window_pane_destroy(struct window_pane *);
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RB_GENERATE(windows, window, entry, window_cmp);
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RB_GENERATE(winlinks, winlink, entry, winlink_cmp);
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RB_GENERATE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
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int
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window_cmp(struct window *w1, struct window *w2)
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{
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return (w1->id - w2->id);
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}
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int
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winlink_cmp(struct winlink *wl1, struct winlink *wl2)
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{
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return (wl1->idx - wl2->idx);
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}
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int
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window_pane_cmp(struct window_pane *wp1, struct window_pane *wp2)
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{
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return (wp1->id - wp2->id);
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}
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struct winlink *
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winlink_find_by_window(struct winlinks *wwl, struct window *w)
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{
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struct winlink *wl;
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RB_FOREACH(wl, winlinks, wwl) {
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if (wl->window == w)
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return (wl);
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}
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return (NULL);
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}
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struct winlink *
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winlink_find_by_index(struct winlinks *wwl, int idx)
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{
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struct winlink wl;
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if (idx < 0)
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fatalx("bad index");
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wl.idx = idx;
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return (RB_FIND(winlinks, wwl, &wl));
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}
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struct winlink *
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winlink_find_by_window_id(struct winlinks *wwl, u_int id)
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{
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struct winlink *wl;
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RB_FOREACH(wl, winlinks, wwl) {
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if (wl->window->id == id)
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return (wl);
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}
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return (NULL);
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}
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static int
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winlink_next_index(struct winlinks *wwl, int idx)
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{
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int i;
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i = idx;
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do {
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if (winlink_find_by_index(wwl, i) == NULL)
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return (i);
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if (i == INT_MAX)
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i = 0;
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else
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i++;
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} while (i != idx);
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return (-1);
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}
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u_int
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winlink_count(struct winlinks *wwl)
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{
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struct winlink *wl;
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u_int n;
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n = 0;
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RB_FOREACH(wl, winlinks, wwl)
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n++;
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return (n);
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}
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struct winlink *
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winlink_add(struct winlinks *wwl, int idx)
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{
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struct winlink *wl;
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if (idx < 0) {
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if ((idx = winlink_next_index(wwl, -idx - 1)) == -1)
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return (NULL);
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} else if (winlink_find_by_index(wwl, idx) != NULL)
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return (NULL);
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wl = xcalloc(1, sizeof *wl);
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wl->idx = idx;
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RB_INSERT(winlinks, wwl, wl);
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return (wl);
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}
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void
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winlink_set_window(struct winlink *wl, struct window *w)
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{
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if (wl->window != NULL) {
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TAILQ_REMOVE(&wl->window->winlinks, wl, wentry);
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window_remove_ref(wl->window, __func__);
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}
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TAILQ_INSERT_TAIL(&w->winlinks, wl, wentry);
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wl->window = w;
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window_add_ref(w, __func__);
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}
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void
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winlink_remove(struct winlinks *wwl, struct winlink *wl)
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{
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struct window *w = wl->window;
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if (w != NULL) {
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TAILQ_REMOVE(&w->winlinks, wl, wentry);
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window_remove_ref(w, __func__);
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}
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RB_REMOVE(winlinks, wwl, wl);
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free(wl);
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}
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struct winlink *
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winlink_next(struct winlink *wl)
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{
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return (RB_NEXT(winlinks, wwl, wl));
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}
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struct winlink *
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winlink_previous(struct winlink *wl)
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{
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return (RB_PREV(winlinks, wwl, wl));
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}
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struct winlink *
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winlink_next_by_number(struct winlink *wl, struct session *s, int n)
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{
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for (; n > 0; n--) {
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if ((wl = RB_NEXT(winlinks, wwl, wl)) == NULL)
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wl = RB_MIN(winlinks, &s->windows);
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}
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return (wl);
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}
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struct winlink *
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winlink_previous_by_number(struct winlink *wl, struct session *s, int n)
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{
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for (; n > 0; n--) {
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if ((wl = RB_PREV(winlinks, wwl, wl)) == NULL)
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wl = RB_MAX(winlinks, &s->windows);
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}
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return (wl);
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}
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void
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winlink_stack_push(struct winlink_stack *stack, struct winlink *wl)
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{
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if (wl == NULL)
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return;
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winlink_stack_remove(stack, wl);
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TAILQ_INSERT_HEAD(stack, wl, sentry);
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}
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void
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winlink_stack_remove(struct winlink_stack *stack, struct winlink *wl)
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{
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struct winlink *wl2;
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if (wl == NULL)
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return;
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TAILQ_FOREACH(wl2, stack, sentry) {
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if (wl2 == wl) {
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TAILQ_REMOVE(stack, wl, sentry);
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return;
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}
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}
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}
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struct window *
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window_find_by_id_str(const char *s)
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{
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const char *errstr;
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u_int id;
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if (*s != '@')
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return (NULL);
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id = strtonum(s + 1, 0, UINT_MAX, &errstr);
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if (errstr != NULL)
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return (NULL);
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return (window_find_by_id(id));
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}
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struct window *
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window_find_by_id(u_int id)
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{
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struct window w;
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w.id = id;
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return (RB_FIND(windows, &windows, &w));
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}
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void
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window_update_activity(struct window *w)
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{
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gettimeofday(&w->activity_time, NULL);
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alerts_queue(w, WINDOW_ACTIVITY);
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}
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struct window *
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window_create(u_int sx, u_int sy)
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{
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struct window *w;
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w = xcalloc(1, sizeof *w);
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w->name = NULL;
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w->flags = 0;
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TAILQ_INIT(&w->panes);
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w->active = NULL;
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w->lastlayout = -1;
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w->layout_root = NULL;
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w->sx = sx;
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w->sy = sy;
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w->options = options_create(global_w_options);
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w->references = 0;
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TAILQ_INIT(&w->winlinks);
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w->id = next_window_id++;
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RB_INSERT(windows, &windows, w);
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window_update_activity(w);
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return (w);
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}
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static void
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window_destroy(struct window *w)
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{
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log_debug("window @%u destroyed (%d references)", w->id, w->references);
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RB_REMOVE(windows, &windows, w);
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if (w->layout_root != NULL)
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layout_free_cell(w->layout_root);
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if (w->saved_layout_root != NULL)
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layout_free_cell(w->saved_layout_root);
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free(w->old_layout);
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window_destroy_panes(w);
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if (event_initialized(&w->name_event))
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evtimer_del(&w->name_event);
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if (event_initialized(&w->alerts_timer))
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evtimer_del(&w->alerts_timer);
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if (event_initialized(&w->offset_timer))
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event_del(&w->offset_timer);
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options_free(w->options);
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free(w->name);
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free(w);
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}
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int
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window_pane_destroy_ready(struct window_pane *wp)
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{
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int n;
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if (wp->pipe_fd != -1) {
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if (EVBUFFER_LENGTH(wp->pipe_event->output) != 0)
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return (0);
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if (ioctl(wp->fd, FIONREAD, &n) != -1 && n > 0)
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return (0);
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}
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if (~wp->flags & PANE_EXITED)
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return (0);
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return (1);
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}
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void
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window_add_ref(struct window *w, const char *from)
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{
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w->references++;
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log_debug("%s: @%u %s, now %d", __func__, w->id, from, w->references);
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}
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void
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window_remove_ref(struct window *w, const char *from)
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{
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w->references--;
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log_debug("%s: @%u %s, now %d", __func__, w->id, from, w->references);
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if (w->references == 0)
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window_destroy(w);
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}
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void
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window_set_name(struct window *w, const char *new_name)
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{
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free(w->name);
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utf8_stravis(&w->name, new_name, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
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notify_window("window-renamed", w);
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}
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void
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window_resize(struct window *w, u_int sx, u_int sy)
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{
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log_debug("%s: @%u resize %ux%u", __func__, w->id, sx, sy);
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w->sx = sx;
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w->sy = sy;
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}
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int
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window_has_pane(struct window *w, struct window_pane *wp)
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{
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struct window_pane *wp1;
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TAILQ_FOREACH(wp1, &w->panes, entry) {
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if (wp1 == wp)
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return (1);
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}
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return (0);
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}
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int
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window_set_active_pane(struct window *w, struct window_pane *wp, int notify)
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{
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log_debug("%s: pane %%%u", __func__, wp->id);
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if (wp == w->active)
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return (0);
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w->last = w->active;
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w->active = wp;
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w->active->active_point = next_active_point++;
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w->active->flags |= PANE_CHANGED;
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tty_update_window_offset(w);
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if (notify)
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notify_window("window-pane-changed", w);
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return (1);
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}
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void
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window_redraw_active_switch(struct window *w, struct window_pane *wp)
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{
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struct style *sy1, *sy2;
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int c1, c2;
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if (wp == w->active)
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return;
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for (;;) {
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/*
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* If the active and inactive styles or palettes are different,
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* need to redraw the panes.
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*/
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sy1 = &wp->cached_style;
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sy2 = &wp->cached_active_style;
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if (!style_equal(sy1, sy2))
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wp->flags |= PANE_REDRAW;
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else {
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c1 = window_pane_get_palette(wp, sy1->gc.fg);
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c2 = window_pane_get_palette(wp, sy2->gc.fg);
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if (c1 != c2)
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wp->flags |= PANE_REDRAW;
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else {
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c1 = window_pane_get_palette(wp, sy1->gc.bg);
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c2 = window_pane_get_palette(wp, sy2->gc.bg);
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if (c1 != c2)
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wp->flags |= PANE_REDRAW;
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}
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}
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if (wp == w->active)
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break;
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wp = w->active;
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}
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}
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struct window_pane *
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window_get_active_at(struct window *w, u_int x, u_int y)
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{
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struct window_pane *wp;
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (!window_pane_visible(wp))
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continue;
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if (x < wp->xoff || x > wp->xoff + wp->sx)
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continue;
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if (y < wp->yoff || y > wp->yoff + wp->sy)
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continue;
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return (wp);
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}
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return (NULL);
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}
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struct window_pane *
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window_find_string(struct window *w, const char *s)
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{
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u_int x, y;
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x = w->sx / 2;
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y = w->sy / 2;
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if (strcasecmp(s, "top") == 0)
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y = 0;
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else if (strcasecmp(s, "bottom") == 0)
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y = w->sy - 1;
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else if (strcasecmp(s, "left") == 0)
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x = 0;
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else if (strcasecmp(s, "right") == 0)
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x = w->sx - 1;
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else if (strcasecmp(s, "top-left") == 0) {
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x = 0;
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y = 0;
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} else if (strcasecmp(s, "top-right") == 0) {
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x = w->sx - 1;
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y = 0;
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} else if (strcasecmp(s, "bottom-left") == 0) {
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x = 0;
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y = w->sy - 1;
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} else if (strcasecmp(s, "bottom-right") == 0) {
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x = w->sx - 1;
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y = w->sy - 1;
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} else
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return (NULL);
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return (window_get_active_at(w, x, y));
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}
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|
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int
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window_zoom(struct window_pane *wp)
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{
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struct window *w = wp->window;
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struct window_pane *wp1;
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if (w->flags & WINDOW_ZOOMED)
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return (-1);
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if (window_count_panes(w) == 1)
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return (-1);
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|
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if (w->active != wp)
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window_set_active_pane(w, wp, 1);
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TAILQ_FOREACH(wp1, &w->panes, entry) {
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wp1->saved_layout_cell = wp1->layout_cell;
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wp1->layout_cell = NULL;
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}
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|
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w->saved_layout_root = w->layout_root;
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|
layout_init(w, wp);
|
|
w->flags |= WINDOW_ZOOMED;
|
|
notify_window("window-layout-changed", w);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
window_unzoom(struct window *w)
|
|
{
|
|
struct window_pane *wp;
|
|
|
|
if (!(w->flags & WINDOW_ZOOMED))
|
|
return (-1);
|
|
|
|
w->flags &= ~WINDOW_ZOOMED;
|
|
layout_free(w);
|
|
w->layout_root = w->saved_layout_root;
|
|
w->saved_layout_root = NULL;
|
|
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
wp->layout_cell = wp->saved_layout_cell;
|
|
wp->saved_layout_cell = NULL;
|
|
}
|
|
layout_fix_panes(w);
|
|
notify_window("window-layout-changed", w);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
window_push_zoom(struct window *w, int flag)
|
|
{
|
|
log_debug("%s: @%u %d", __func__, w->id,
|
|
flag && (w->flags & WINDOW_ZOOMED));
|
|
if (flag && (w->flags & WINDOW_ZOOMED))
|
|
w->flags |= WINDOW_WASZOOMED;
|
|
else
|
|
w->flags &= ~WINDOW_WASZOOMED;
|
|
return (window_unzoom(w) == 0);
|
|
}
|
|
|
|
int
|
|
window_pop_zoom(struct window *w)
|
|
{
|
|
log_debug("%s: @%u %d", __func__, w->id,
|
|
!!(w->flags & WINDOW_WASZOOMED));
|
|
if (w->flags & WINDOW_WASZOOMED)
|
|
return (window_zoom(w->active) == 0);
|
|
return (0);
|
|
}
|
|
|
|
struct window_pane *
|
|
window_add_pane(struct window *w, struct window_pane *other, u_int hlimit,
|
|
int flags)
|
|
{
|
|
struct window_pane *wp;
|
|
|
|
if (other == NULL)
|
|
other = w->active;
|
|
|
|
wp = window_pane_create(w, w->sx, w->sy, hlimit);
|
|
if (TAILQ_EMPTY(&w->panes)) {
|
|
log_debug("%s: @%u at start", __func__, w->id);
|
|
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
|
|
} else if (flags & SPAWN_BEFORE) {
|
|
log_debug("%s: @%u before %%%u", __func__, w->id, wp->id);
|
|
if (flags & SPAWN_FULLSIZE)
|
|
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
|
|
else
|
|
TAILQ_INSERT_BEFORE(other, wp, entry);
|
|
} else {
|
|
log_debug("%s: @%u after %%%u", __func__, w->id, wp->id);
|
|
if (flags & SPAWN_FULLSIZE)
|
|
TAILQ_INSERT_TAIL(&w->panes, wp, entry);
|
|
else
|
|
TAILQ_INSERT_AFTER(&w->panes, other, wp, entry);
|
|
}
|
|
return (wp);
|
|
}
|
|
|
|
void
|
|
window_lost_pane(struct window *w, struct window_pane *wp)
|
|
{
|
|
log_debug("%s: @%u pane %%%u", __func__, w->id, wp->id);
|
|
|
|
if (wp == marked_pane.wp)
|
|
server_clear_marked();
|
|
|
|
if (wp == w->active) {
|
|
w->active = w->last;
|
|
w->last = NULL;
|
|
if (w->active == NULL) {
|
|
w->active = TAILQ_PREV(wp, window_panes, entry);
|
|
if (w->active == NULL)
|
|
w->active = TAILQ_NEXT(wp, entry);
|
|
}
|
|
if (w->active != NULL) {
|
|
w->active->flags |= PANE_CHANGED;
|
|
notify_window("window-pane-changed", w);
|
|
}
|
|
} else if (wp == w->last)
|
|
w->last = NULL;
|
|
}
|
|
|
|
void
|
|
window_remove_pane(struct window *w, struct window_pane *wp)
|
|
{
|
|
window_lost_pane(w, wp);
|
|
|
|
TAILQ_REMOVE(&w->panes, wp, entry);
|
|
window_pane_destroy(wp);
|
|
}
|
|
|
|
struct window_pane *
|
|
window_pane_at_index(struct window *w, u_int idx)
|
|
{
|
|
struct window_pane *wp;
|
|
u_int n;
|
|
|
|
n = options_get_number(w->options, "pane-base-index");
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (n == idx)
|
|
return (wp);
|
|
n++;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
struct window_pane *
|
|
window_pane_next_by_number(struct window *w, struct window_pane *wp, u_int n)
|
|
{
|
|
for (; n > 0; n--) {
|
|
if ((wp = TAILQ_NEXT(wp, entry)) == NULL)
|
|
wp = TAILQ_FIRST(&w->panes);
|
|
}
|
|
|
|
return (wp);
|
|
}
|
|
|
|
struct window_pane *
|
|
window_pane_previous_by_number(struct window *w, struct window_pane *wp,
|
|
u_int n)
|
|
{
|
|
for (; n > 0; n--) {
|
|
if ((wp = TAILQ_PREV(wp, window_panes, entry)) == NULL)
|
|
wp = TAILQ_LAST(&w->panes, window_panes);
|
|
}
|
|
|
|
return (wp);
|
|
}
|
|
|
|
int
|
|
window_pane_index(struct window_pane *wp, u_int *i)
|
|
{
|
|
struct window_pane *wq;
|
|
struct window *w = wp->window;
|
|
|
|
*i = options_get_number(w->options, "pane-base-index");
|
|
TAILQ_FOREACH(wq, &w->panes, entry) {
|
|
if (wp == wq) {
|
|
return (0);
|
|
}
|
|
(*i)++;
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
u_int
|
|
window_count_panes(struct window *w)
|
|
{
|
|
struct window_pane *wp;
|
|
u_int n;
|
|
|
|
n = 0;
|
|
TAILQ_FOREACH(wp, &w->panes, entry)
|
|
n++;
|
|
return (n);
|
|
}
|
|
|
|
void
|
|
window_destroy_panes(struct window *w)
|
|
{
|
|
struct window_pane *wp;
|
|
|
|
while (!TAILQ_EMPTY(&w->panes)) {
|
|
wp = TAILQ_FIRST(&w->panes);
|
|
TAILQ_REMOVE(&w->panes, wp, entry);
|
|
window_pane_destroy(wp);
|
|
}
|
|
}
|
|
|
|
const char *
|
|
window_printable_flags(struct winlink *wl)
|
|
{
|
|
struct session *s = wl->session;
|
|
static char flags[32];
|
|
int pos;
|
|
|
|
pos = 0;
|
|
if (wl->flags & WINLINK_ACTIVITY)
|
|
flags[pos++] = '#';
|
|
if (wl->flags & WINLINK_BELL)
|
|
flags[pos++] = '!';
|
|
if (wl->flags & WINLINK_SILENCE)
|
|
flags[pos++] = '~';
|
|
if (wl == s->curw)
|
|
flags[pos++] = '*';
|
|
if (wl == TAILQ_FIRST(&s->lastw))
|
|
flags[pos++] = '-';
|
|
if (server_check_marked() && wl == marked_pane.wl)
|
|
flags[pos++] = 'M';
|
|
if (wl->window->flags & WINDOW_ZOOMED)
|
|
flags[pos++] = 'Z';
|
|
flags[pos] = '\0';
|
|
return (flags);
|
|
}
|
|
|
|
struct window_pane *
|
|
window_pane_find_by_id_str(const char *s)
|
|
{
|
|
const char *errstr;
|
|
u_int id;
|
|
|
|
if (*s != '%')
|
|
return (NULL);
|
|
|
|
id = strtonum(s + 1, 0, UINT_MAX, &errstr);
|
|
if (errstr != NULL)
|
|
return (NULL);
|
|
return (window_pane_find_by_id(id));
|
|
}
|
|
|
|
struct window_pane *
|
|
window_pane_find_by_id(u_int id)
|
|
{
|
|
struct window_pane wp;
|
|
|
|
wp.id = id;
|
|
return (RB_FIND(window_pane_tree, &all_window_panes, &wp));
|
|
}
|
|
|
|
static struct window_pane *
|
|
window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
|
|
{
|
|
struct window_pane *wp;
|
|
char host[HOST_NAME_MAX + 1];
|
|
|
|
wp = xcalloc(1, sizeof *wp);
|
|
wp->window = w;
|
|
wp->options = options_create(w->options);
|
|
wp->flags = PANE_STYLECHANGED;
|
|
|
|
wp->id = next_window_pane_id++;
|
|
RB_INSERT(window_pane_tree, &all_window_panes, wp);
|
|
|
|
wp->argc = 0;
|
|
wp->argv = NULL;
|
|
wp->shell = NULL;
|
|
wp->cwd = NULL;
|
|
|
|
wp->fd = -1;
|
|
wp->event = NULL;
|
|
|
|
TAILQ_INIT(&wp->modes);
|
|
|
|
wp->layout_cell = NULL;
|
|
|
|
wp->xoff = 0;
|
|
wp->yoff = 0;
|
|
|
|
wp->sx = wp->osx = sx;
|
|
wp->sy = wp->osx = sy;
|
|
|
|
wp->pipe_fd = -1;
|
|
wp->pipe_off = 0;
|
|
wp->pipe_event = NULL;
|
|
|
|
wp->saved_grid = NULL;
|
|
wp->saved_cx = UINT_MAX;
|
|
wp->saved_cy = UINT_MAX;
|
|
|
|
screen_init(&wp->base, sx, sy, hlimit);
|
|
wp->screen = &wp->base;
|
|
|
|
screen_init(&wp->status_screen, 1, 1, 0);
|
|
|
|
if (gethostname(host, sizeof host) == 0)
|
|
screen_set_title(&wp->base, host);
|
|
|
|
input_init(wp);
|
|
|
|
return (wp);
|
|
}
|
|
|
|
static void
|
|
window_pane_destroy(struct window_pane *wp)
|
|
{
|
|
window_pane_reset_mode_all(wp);
|
|
free(wp->searchstr);
|
|
|
|
if (wp->fd != -1) {
|
|
bufferevent_free(wp->event);
|
|
close(wp->fd);
|
|
}
|
|
|
|
input_free(wp);
|
|
|
|
screen_free(&wp->status_screen);
|
|
|
|
screen_free(&wp->base);
|
|
if (wp->saved_grid != NULL)
|
|
grid_destroy(wp->saved_grid);
|
|
|
|
if (wp->pipe_fd != -1) {
|
|
bufferevent_free(wp->pipe_event);
|
|
close(wp->pipe_fd);
|
|
}
|
|
|
|
if (event_initialized(&wp->resize_timer))
|
|
event_del(&wp->resize_timer);
|
|
|
|
RB_REMOVE(window_pane_tree, &all_window_panes, wp);
|
|
|
|
options_free(wp->options);
|
|
free((void *)wp->cwd);
|
|
free(wp->shell);
|
|
cmd_free_argv(wp->argc, wp->argv);
|
|
free(wp->palette);
|
|
free(wp);
|
|
}
|
|
|
|
static void
|
|
window_pane_read_callback(__unused struct bufferevent *bufev, void *data)
|
|
{
|
|
struct window_pane *wp = data;
|
|
struct evbuffer *evb = wp->event->input;
|
|
size_t size = EVBUFFER_LENGTH(evb);
|
|
char *new_data;
|
|
size_t new_size;
|
|
|
|
new_size = size - wp->pipe_off;
|
|
if (wp->pipe_fd != -1 && new_size > 0) {
|
|
new_data = EVBUFFER_DATA(evb) + wp->pipe_off;
|
|
bufferevent_write(wp->pipe_event, new_data, new_size);
|
|
}
|
|
|
|
log_debug("%%%u has %zu bytes", wp->id, size);
|
|
input_parse(wp);
|
|
|
|
wp->pipe_off = EVBUFFER_LENGTH(evb);
|
|
}
|
|
|
|
static void
|
|
window_pane_error_callback(__unused struct bufferevent *bufev,
|
|
__unused short what, void *data)
|
|
{
|
|
struct window_pane *wp = data;
|
|
|
|
log_debug("%%%u error", wp->id);
|
|
wp->flags |= PANE_EXITED;
|
|
|
|
if (window_pane_destroy_ready(wp))
|
|
server_destroy_pane(wp, 1);
|
|
}
|
|
|
|
void
|
|
window_pane_set_event(struct window_pane *wp)
|
|
{
|
|
setblocking(wp->fd, 0);
|
|
|
|
wp->event = bufferevent_new(wp->fd, window_pane_read_callback,
|
|
NULL, window_pane_error_callback, wp);
|
|
|
|
bufferevent_setwatermark(wp->event, EV_READ, 0, READ_SIZE);
|
|
bufferevent_enable(wp->event, EV_READ|EV_WRITE);
|
|
}
|
|
|
|
void
|
|
window_pane_resize(struct window_pane *wp, u_int sx, u_int sy)
|
|
{
|
|
struct window_mode_entry *wme;
|
|
|
|
if (sx == wp->sx && sy == wp->sy)
|
|
return;
|
|
wp->sx = sx;
|
|
wp->sy = sy;
|
|
|
|
log_debug("%s: %%%u resize %ux%u", __func__, wp->id, sx, sy);
|
|
screen_resize(&wp->base, sx, sy, wp->saved_grid == NULL);
|
|
|
|
wme = TAILQ_FIRST(&wp->modes);
|
|
if (wme != NULL && wme->mode->resize != NULL)
|
|
wme->mode->resize(wme, sx, sy);
|
|
|
|
wp->flags |= (PANE_RESIZE|PANE_RESIZED);
|
|
}
|
|
|
|
/*
|
|
* Enter alternative screen mode. A copy of the visible screen is saved and the
|
|
* history is not updated
|
|
*/
|
|
void
|
|
window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc,
|
|
int cursor)
|
|
{
|
|
struct screen *s = &wp->base;
|
|
u_int sx, sy;
|
|
|
|
if (wp->saved_grid != NULL)
|
|
return;
|
|
if (!options_get_number(wp->options, "alternate-screen"))
|
|
return;
|
|
sx = screen_size_x(s);
|
|
sy = screen_size_y(s);
|
|
|
|
wp->saved_grid = grid_create(sx, sy, 0);
|
|
grid_duplicate_lines(wp->saved_grid, 0, s->grid, screen_hsize(s), sy);
|
|
if (cursor) {
|
|
wp->saved_cx = s->cx;
|
|
wp->saved_cy = s->cy;
|
|
}
|
|
memcpy(&wp->saved_cell, gc, sizeof wp->saved_cell);
|
|
|
|
grid_view_clear(s->grid, 0, 0, sx, sy, 8);
|
|
|
|
wp->base.grid->flags &= ~GRID_HISTORY;
|
|
|
|
wp->flags |= PANE_REDRAW;
|
|
}
|
|
|
|
/* Exit alternate screen mode and restore the copied grid. */
|
|
void
|
|
window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc,
|
|
int cursor)
|
|
{
|
|
struct screen *s = &wp->base;
|
|
u_int sx, sy;
|
|
|
|
if (!options_get_number(wp->options, "alternate-screen"))
|
|
return;
|
|
|
|
/*
|
|
* Restore the cursor position and cell. This happens even if not
|
|
* currently in the alternate screen.
|
|
*/
|
|
if (cursor && wp->saved_cx != UINT_MAX && wp->saved_cy != UINT_MAX) {
|
|
s->cx = wp->saved_cx;
|
|
if (s->cx > screen_size_x(s) - 1)
|
|
s->cx = screen_size_x(s) - 1;
|
|
s->cy = wp->saved_cy;
|
|
if (s->cy > screen_size_y(s) - 1)
|
|
s->cy = screen_size_y(s) - 1;
|
|
memcpy(gc, &wp->saved_cell, sizeof *gc);
|
|
}
|
|
|
|
if (wp->saved_grid == NULL)
|
|
return;
|
|
sx = screen_size_x(s);
|
|
sy = screen_size_y(s);
|
|
|
|
/*
|
|
* If the current size is bigger, temporarily resize to the old size
|
|
* before copying back.
|
|
*/
|
|
if (sy > wp->saved_grid->sy)
|
|
screen_resize(s, sx, wp->saved_grid->sy, 1);
|
|
|
|
/* Restore the saved grid. */
|
|
grid_duplicate_lines(s->grid, screen_hsize(s), wp->saved_grid, 0, sy);
|
|
|
|
/*
|
|
* Turn history back on (so resize can use it) and then resize back to
|
|
* the current size.
|
|
*/
|
|
wp->base.grid->flags |= GRID_HISTORY;
|
|
if (sy > wp->saved_grid->sy || sx != wp->saved_grid->sx)
|
|
screen_resize(s, sx, sy, 1);
|
|
|
|
grid_destroy(wp->saved_grid);
|
|
wp->saved_grid = NULL;
|
|
|
|
wp->flags |= PANE_REDRAW;
|
|
}
|
|
|
|
void
|
|
window_pane_set_palette(struct window_pane *wp, u_int n, int colour)
|
|
{
|
|
if (n > 0xff)
|
|
return;
|
|
|
|
if (wp->palette == NULL)
|
|
wp->palette = xcalloc(0x100, sizeof *wp->palette);
|
|
|
|
wp->palette[n] = colour;
|
|
wp->flags |= PANE_REDRAW;
|
|
}
|
|
|
|
void
|
|
window_pane_unset_palette(struct window_pane *wp, u_int n)
|
|
{
|
|
if (n > 0xff || wp->palette == NULL)
|
|
return;
|
|
|
|
wp->palette[n] = 0;
|
|
wp->flags |= PANE_REDRAW;
|
|
}
|
|
|
|
void
|
|
window_pane_reset_palette(struct window_pane *wp)
|
|
{
|
|
if (wp->palette == NULL)
|
|
return;
|
|
|
|
free(wp->palette);
|
|
wp->palette = NULL;
|
|
wp->flags |= PANE_REDRAW;
|
|
}
|
|
|
|
int
|
|
window_pane_get_palette(struct window_pane *wp, int c)
|
|
{
|
|
int new;
|
|
|
|
if (wp == NULL || wp->palette == NULL)
|
|
return (-1);
|
|
|
|
new = -1;
|
|
if (c < 8)
|
|
new = wp->palette[c];
|
|
else if (c >= 90 && c <= 97)
|
|
new = wp->palette[8 + c - 90];
|
|
else if (c & COLOUR_FLAG_256)
|
|
new = wp->palette[c & ~COLOUR_FLAG_256];
|
|
if (new == 0)
|
|
return (-1);
|
|
return (new);
|
|
}
|
|
|
|
static void
|
|
window_pane_mode_timer(__unused int fd, __unused short events, void *arg)
|
|
{
|
|
struct window_pane *wp = arg;
|
|
struct timeval tv = { .tv_sec = 10 };
|
|
int n = 0;
|
|
|
|
evtimer_del(&wp->modetimer);
|
|
evtimer_add(&wp->modetimer, &tv);
|
|
|
|
log_debug("%%%u in mode: last=%ld", wp->id, (long)wp->modelast);
|
|
|
|
if (wp->modelast < time(NULL) - WINDOW_MODE_TIMEOUT) {
|
|
if (ioctl(wp->fd, FIONREAD, &n) == -1 || n > 0)
|
|
window_pane_reset_mode_all(wp);
|
|
}
|
|
}
|
|
|
|
int
|
|
window_pane_set_mode(struct window_pane *wp, const struct window_mode *mode,
|
|
struct cmd_find_state *fs, struct args *args)
|
|
{
|
|
struct timeval tv = { .tv_sec = 10 };
|
|
struct window_mode_entry *wme;
|
|
|
|
if (!TAILQ_EMPTY(&wp->modes) && TAILQ_FIRST(&wp->modes)->mode == mode)
|
|
return (1);
|
|
|
|
wp->modelast = time(NULL);
|
|
if (TAILQ_EMPTY(&wp->modes)) {
|
|
evtimer_set(&wp->modetimer, window_pane_mode_timer, wp);
|
|
evtimer_add(&wp->modetimer, &tv);
|
|
}
|
|
|
|
TAILQ_FOREACH(wme, &wp->modes, entry) {
|
|
if (wme->mode == mode)
|
|
break;
|
|
}
|
|
if (wme != NULL) {
|
|
TAILQ_REMOVE(&wp->modes, wme, entry);
|
|
TAILQ_INSERT_HEAD(&wp->modes, wme, entry);
|
|
} else {
|
|
wme = xcalloc(1, sizeof *wme);
|
|
wme->wp = wp;
|
|
wme->mode = mode;
|
|
wme->prefix = 1;
|
|
TAILQ_INSERT_HEAD(&wp->modes, wme, entry);
|
|
wme->screen = wme->mode->init(wme, fs, args);
|
|
}
|
|
|
|
wp->screen = wme->screen;
|
|
wp->flags |= (PANE_REDRAW|PANE_CHANGED);
|
|
|
|
server_status_window(wp->window);
|
|
notify_pane("pane-mode-changed", wp);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
window_pane_reset_mode(struct window_pane *wp)
|
|
{
|
|
struct window_mode_entry *wme, *next;
|
|
|
|
if (TAILQ_EMPTY(&wp->modes))
|
|
return;
|
|
|
|
wme = TAILQ_FIRST(&wp->modes);
|
|
TAILQ_REMOVE(&wp->modes, wme, entry);
|
|
wme->mode->free(wme);
|
|
free(wme);
|
|
|
|
next = TAILQ_FIRST(&wp->modes);
|
|
if (next == NULL) {
|
|
log_debug("%s: no next mode", __func__);
|
|
evtimer_del(&wp->modetimer);
|
|
wp->screen = &wp->base;
|
|
} else {
|
|
log_debug("%s: next mode is %s", __func__, next->mode->name);
|
|
wp->screen = next->screen;
|
|
if (next->mode->resize != NULL)
|
|
next->mode->resize(next, wp->sx, wp->sy);
|
|
}
|
|
wp->flags |= (PANE_REDRAW|PANE_CHANGED);
|
|
|
|
server_status_window(wp->window);
|
|
notify_pane("pane-mode-changed", wp);
|
|
}
|
|
|
|
void
|
|
window_pane_reset_mode_all(struct window_pane *wp)
|
|
{
|
|
while (!TAILQ_EMPTY(&wp->modes))
|
|
window_pane_reset_mode(wp);
|
|
}
|
|
|
|
void
|
|
window_pane_key(struct window_pane *wp, struct client *c, struct session *s,
|
|
struct winlink *wl, key_code key, struct mouse_event *m)
|
|
{
|
|
struct window_mode_entry *wme;
|
|
struct window_pane *wp2;
|
|
|
|
if (KEYC_IS_MOUSE(key) && m == NULL)
|
|
return;
|
|
|
|
wme = TAILQ_FIRST(&wp->modes);
|
|
if (wme != NULL) {
|
|
wp->modelast = time(NULL);
|
|
if (wme->mode->key != NULL)
|
|
wme->mode->key(wme, c, s, wl, (key & ~KEYC_XTERM), m);
|
|
return;
|
|
}
|
|
|
|
if (wp->fd == -1 || wp->flags & PANE_INPUTOFF)
|
|
return;
|
|
|
|
input_key(wp, key, m);
|
|
|
|
if (KEYC_IS_MOUSE(key))
|
|
return;
|
|
if (options_get_number(wp->window->options, "synchronize-panes")) {
|
|
TAILQ_FOREACH(wp2, &wp->window->panes, entry) {
|
|
if (wp2 != wp &&
|
|
TAILQ_EMPTY(&wp2->modes) &&
|
|
wp2->fd != -1 &&
|
|
(~wp2->flags & PANE_INPUTOFF) &&
|
|
window_pane_visible(wp2))
|
|
input_key(wp2, key, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
window_pane_visible(struct window_pane *wp)
|
|
{
|
|
if (~wp->window->flags & WINDOW_ZOOMED)
|
|
return (1);
|
|
return (wp == wp->window->active);
|
|
}
|
|
|
|
u_int
|
|
window_pane_search(struct window_pane *wp, const char *term, int regex,
|
|
int ignore)
|
|
{
|
|
struct screen *s = &wp->base;
|
|
regex_t r;
|
|
char *new = NULL, *line;
|
|
u_int i;
|
|
int flags = 0, found;
|
|
size_t n;
|
|
|
|
if (!regex) {
|
|
if (ignore)
|
|
flags |= FNM_CASEFOLD;
|
|
xasprintf(&new, "*%s*", term);
|
|
} else {
|
|
if (ignore)
|
|
flags |= REG_ICASE;
|
|
if (regcomp(&r, term, flags|REG_EXTENDED) != 0)
|
|
return (0);
|
|
}
|
|
|
|
for (i = 0; i < screen_size_y(s); i++) {
|
|
line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
|
|
for (n = strlen(line); n > 0; n--) {
|
|
if (!isspace((u_char)line[n - 1]))
|
|
break;
|
|
line[n - 1] = '\0';
|
|
}
|
|
log_debug("%s: %s", __func__, line);
|
|
if (!regex)
|
|
found = (fnmatch(new, line, 0) == 0);
|
|
else
|
|
found = (regexec(&r, line, 0, NULL, 0) == 0);
|
|
free(line);
|
|
if (found)
|
|
break;
|
|
}
|
|
if (!regex)
|
|
free(new);
|
|
else
|
|
regfree(&r);
|
|
|
|
if (i == screen_size_y(s))
|
|
return (0);
|
|
return (i + 1);
|
|
}
|
|
|
|
/* Get MRU pane from a list. */
|
|
static struct window_pane *
|
|
window_pane_choose_best(struct window_pane **list, u_int size)
|
|
{
|
|
struct window_pane *next, *best;
|
|
u_int i;
|
|
|
|
if (size == 0)
|
|
return (NULL);
|
|
|
|
best = list[0];
|
|
for (i = 1; i < size; i++) {
|
|
next = list[i];
|
|
if (next->active_point > best->active_point)
|
|
best = next;
|
|
}
|
|
return (best);
|
|
}
|
|
|
|
/*
|
|
* Find the pane directly above another. We build a list of those adjacent to
|
|
* top edge and then choose the best.
|
|
*/
|
|
struct window_pane *
|
|
window_pane_find_up(struct window_pane *wp)
|
|
{
|
|
struct window *w;
|
|
struct window_pane *next, *best, **list;
|
|
u_int edge, left, right, end, size;
|
|
int status, found;
|
|
|
|
if (wp == NULL)
|
|
return (NULL);
|
|
w = wp->window;
|
|
status = options_get_number(w->options, "pane-border-status");
|
|
|
|
list = NULL;
|
|
size = 0;
|
|
|
|
edge = wp->yoff;
|
|
if (status == PANE_STATUS_TOP) {
|
|
if (edge == 1)
|
|
edge = w->sy + 1;
|
|
} else if (status == PANE_STATUS_BOTTOM) {
|
|
if (edge == 0)
|
|
edge = w->sy;
|
|
} else {
|
|
if (edge == 0)
|
|
edge = w->sy + 1;
|
|
}
|
|
|
|
left = wp->xoff;
|
|
right = wp->xoff + wp->sx;
|
|
|
|
TAILQ_FOREACH(next, &w->panes, entry) {
|
|
if (next == wp)
|
|
continue;
|
|
if (next->yoff + next->sy + 1 != edge)
|
|
continue;
|
|
end = next->xoff + next->sx - 1;
|
|
|
|
found = 0;
|
|
if (next->xoff < left && end > right)
|
|
found = 1;
|
|
else if (next->xoff >= left && next->xoff <= right)
|
|
found = 1;
|
|
else if (end >= left && end <= right)
|
|
found = 1;
|
|
if (!found)
|
|
continue;
|
|
list = xreallocarray(list, size + 1, sizeof *list);
|
|
list[size++] = next;
|
|
}
|
|
|
|
best = window_pane_choose_best(list, size);
|
|
free(list);
|
|
return (best);
|
|
}
|
|
|
|
/* Find the pane directly below another. */
|
|
struct window_pane *
|
|
window_pane_find_down(struct window_pane *wp)
|
|
{
|
|
struct window *w;
|
|
struct window_pane *next, *best, **list;
|
|
u_int edge, left, right, end, size;
|
|
int status, found;
|
|
|
|
if (wp == NULL)
|
|
return (NULL);
|
|
w = wp->window;
|
|
status = options_get_number(w->options, "pane-border-status");
|
|
|
|
list = NULL;
|
|
size = 0;
|
|
|
|
edge = wp->yoff + wp->sy + 1;
|
|
if (status == PANE_STATUS_TOP) {
|
|
if (edge >= w->sy)
|
|
edge = 1;
|
|
} else if (status == PANE_STATUS_BOTTOM) {
|
|
if (edge >= w->sy - 1)
|
|
edge = 0;
|
|
} else {
|
|
if (edge >= w->sy)
|
|
edge = 0;
|
|
}
|
|
|
|
left = wp->xoff;
|
|
right = wp->xoff + wp->sx;
|
|
|
|
TAILQ_FOREACH(next, &w->panes, entry) {
|
|
if (next == wp)
|
|
continue;
|
|
if (next->yoff != edge)
|
|
continue;
|
|
end = next->xoff + next->sx - 1;
|
|
|
|
found = 0;
|
|
if (next->xoff < left && end > right)
|
|
found = 1;
|
|
else if (next->xoff >= left && next->xoff <= right)
|
|
found = 1;
|
|
else if (end >= left && end <= right)
|
|
found = 1;
|
|
if (!found)
|
|
continue;
|
|
list = xreallocarray(list, size + 1, sizeof *list);
|
|
list[size++] = next;
|
|
}
|
|
|
|
best = window_pane_choose_best(list, size);
|
|
free(list);
|
|
return (best);
|
|
}
|
|
|
|
/* Find the pane directly to the left of another. */
|
|
struct window_pane *
|
|
window_pane_find_left(struct window_pane *wp)
|
|
{
|
|
struct window *w;
|
|
struct window_pane *next, *best, **list;
|
|
u_int edge, top, bottom, end, size;
|
|
int found;
|
|
|
|
if (wp == NULL)
|
|
return (NULL);
|
|
w = wp->window;
|
|
|
|
list = NULL;
|
|
size = 0;
|
|
|
|
edge = wp->xoff;
|
|
if (edge == 0)
|
|
edge = w->sx + 1;
|
|
|
|
top = wp->yoff;
|
|
bottom = wp->yoff + wp->sy;
|
|
|
|
TAILQ_FOREACH(next, &w->panes, entry) {
|
|
if (next == wp)
|
|
continue;
|
|
if (next->xoff + next->sx + 1 != edge)
|
|
continue;
|
|
end = next->yoff + next->sy - 1;
|
|
|
|
found = 0;
|
|
if (next->yoff < top && end > bottom)
|
|
found = 1;
|
|
else if (next->yoff >= top && next->yoff <= bottom)
|
|
found = 1;
|
|
else if (end >= top && end <= bottom)
|
|
found = 1;
|
|
if (!found)
|
|
continue;
|
|
list = xreallocarray(list, size + 1, sizeof *list);
|
|
list[size++] = next;
|
|
}
|
|
|
|
best = window_pane_choose_best(list, size);
|
|
free(list);
|
|
return (best);
|
|
}
|
|
|
|
/* Find the pane directly to the right of another. */
|
|
struct window_pane *
|
|
window_pane_find_right(struct window_pane *wp)
|
|
{
|
|
struct window *w;
|
|
struct window_pane *next, *best, **list;
|
|
u_int edge, top, bottom, end, size;
|
|
int found;
|
|
|
|
if (wp == NULL)
|
|
return (NULL);
|
|
w = wp->window;
|
|
|
|
list = NULL;
|
|
size = 0;
|
|
|
|
edge = wp->xoff + wp->sx + 1;
|
|
if (edge >= w->sx)
|
|
edge = 0;
|
|
|
|
top = wp->yoff;
|
|
bottom = wp->yoff + wp->sy;
|
|
|
|
TAILQ_FOREACH(next, &w->panes, entry) {
|
|
if (next == wp)
|
|
continue;
|
|
if (next->xoff != edge)
|
|
continue;
|
|
end = next->yoff + next->sy - 1;
|
|
|
|
found = 0;
|
|
if (next->yoff < top && end > bottom)
|
|
found = 1;
|
|
else if (next->yoff >= top && next->yoff <= bottom)
|
|
found = 1;
|
|
else if (end >= top && end <= bottom)
|
|
found = 1;
|
|
if (!found)
|
|
continue;
|
|
list = xreallocarray(list, size + 1, sizeof *list);
|
|
list[size++] = next;
|
|
}
|
|
|
|
best = window_pane_choose_best(list, size);
|
|
free(list);
|
|
return (best);
|
|
}
|
|
|
|
/* Clear alert flags for a winlink */
|
|
void
|
|
winlink_clear_flags(struct winlink *wl)
|
|
{
|
|
struct winlink *loop;
|
|
|
|
wl->window->flags &= ~WINDOW_ALERTFLAGS;
|
|
TAILQ_FOREACH(loop, &wl->window->winlinks, wentry) {
|
|
if ((loop->flags & WINLINK_ALERTFLAGS) != 0) {
|
|
loop->flags &= ~WINLINK_ALERTFLAGS;
|
|
server_status_session(loop->session);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Shuffle window indexes up. */
|
|
int
|
|
winlink_shuffle_up(struct session *s, struct winlink *wl)
|
|
{
|
|
int idx, last;
|
|
|
|
if (wl == NULL)
|
|
return (-1);
|
|
idx = wl->idx + 1;
|
|
|
|
/* Find the next free index. */
|
|
for (last = idx; last < INT_MAX; last++) {
|
|
if (winlink_find_by_index(&s->windows, last) == NULL)
|
|
break;
|
|
}
|
|
if (last == INT_MAX)
|
|
return (-1);
|
|
|
|
/* Move everything from last - 1 to idx up a bit. */
|
|
for (; last > idx; last--) {
|
|
wl = winlink_find_by_index(&s->windows, last - 1);
|
|
server_link_window(s, wl, s, last, 0, 0, NULL);
|
|
server_unlink_window(s, wl);
|
|
}
|
|
|
|
return (idx);
|
|
}
|
|
|
|
static void
|
|
window_pane_input_callback(struct client *c, int closed, void *data)
|
|
{
|
|
struct window_pane_input_data *cdata = data;
|
|
struct window_pane *wp;
|
|
struct evbuffer *evb = c->stdin_data;
|
|
u_char *buf = EVBUFFER_DATA(evb);
|
|
size_t len = EVBUFFER_LENGTH(evb);
|
|
|
|
wp = window_pane_find_by_id(cdata->wp);
|
|
if (wp == NULL || closed || c->flags & CLIENT_DEAD) {
|
|
c->stdin_callback = NULL;
|
|
server_client_unref(c);
|
|
|
|
cmdq_continue(cdata->item);
|
|
free(cdata);
|
|
|
|
return;
|
|
}
|
|
|
|
input_parse_buffer(wp, buf, len);
|
|
evbuffer_drain(evb, len);
|
|
}
|
|
|
|
int
|
|
window_pane_start_input(struct window_pane *wp, struct cmdq_item *item,
|
|
char **cause)
|
|
{
|
|
struct client *c = item->client;
|
|
struct window_pane_input_data *cdata;
|
|
|
|
if (~wp->flags & PANE_EMPTY) {
|
|
*cause = xstrdup("pane is not empty");
|
|
return (-1);
|
|
}
|
|
|
|
cdata = xmalloc(sizeof *cdata);
|
|
cdata->item = item;
|
|
cdata->wp = wp->id;
|
|
|
|
return (server_set_stdin_callback(c, window_pane_input_callback, cdata,
|
|
cause));
|
|
}
|