mirror of
https://github.com/tmux/tmux.git
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35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
374 lines
8.0 KiB
C
374 lines
8.0 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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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 <string.h>
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#include "tmux.h"
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/*
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* Each layout has two functions, _refresh to relayout the panes and _resize to
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* resize a single pane.
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*
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* Second argument (int) to _refresh is 1 if the only change has been that the
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* active pane has changed. If 0 then panes, active pane or both may have
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* changed.
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*/
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void layout_active_only_refresh(struct window *, int);
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void layout_even_h_refresh(struct window *, int);
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void layout_even_v_refresh(struct window *, int);
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void layout_main_h_refresh(struct window *, int);
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void layout_main_v_refresh(struct window *, int);
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const struct {
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const char *name;
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void (*refresh)(struct window *, int);
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void (*resize)(struct window_pane *, int);
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} layouts[] = {
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{ "manual-vertical", layout_manual_v_refresh, layout_manual_v_resize },
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{ "active-only", layout_active_only_refresh, NULL },
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{ "even-horizontal", layout_even_h_refresh, NULL },
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{ "even-vertical", layout_even_v_refresh, NULL },
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{ "main-horizontal", layout_main_h_refresh, NULL },
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{ "main-vertical", layout_main_v_refresh, NULL },
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};
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const char *
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layout_name(struct window *w)
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{
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return (layouts[w->layout].name);
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}
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int
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layout_lookup(const char *name)
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{
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u_int i;
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int matched = -1;
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for (i = 0; i < nitems(layouts); i++) {
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if (strncmp(layouts[i].name, name, strlen(name)) == 0) {
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if (matched != -1) /* ambiguous */
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return (-1);
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matched = i;
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}
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}
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return (matched);
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}
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int
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layout_select(struct window *w, u_int layout)
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{
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if (layout > nitems(layouts) - 1 || layout == w->layout)
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return (-1);
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w->layout = layout;
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layout_refresh(w, 0);
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return (0);
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}
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void
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layout_next(struct window *w)
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{
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w->layout++;
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if (w->layout > nitems(layouts) - 1)
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w->layout = 0;
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layout_refresh(w, 0);
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}
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void
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layout_previous(struct window *w)
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{
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if (w->layout == 0)
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w->layout = nitems(layouts) - 1;
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else
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w->layout--;
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layout_refresh(w, 0);
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}
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void
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layout_refresh(struct window *w, int active_only)
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{
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layouts[w->layout].refresh(w, active_only);
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server_redraw_window(w);
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}
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int
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layout_resize(struct window_pane *wp, int adjust)
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{
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struct window *w = wp->window;
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if (layouts[w->layout].resize == NULL)
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return (-1);
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layouts[w->layout].resize(wp, adjust);
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return (0);
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}
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void
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layout_active_only_refresh(struct window *w, unused int active_only)
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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 (wp == w->active) {
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wp->flags &= ~PANE_HIDDEN;
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wp->xoff = wp->yoff = 0;
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window_pane_resize(wp, w->sx, w->sy);
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} else
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wp->flags |= PANE_HIDDEN;
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}
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}
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void
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layout_even_h_refresh(struct window *w, int active_only)
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{
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struct window_pane *wp;
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u_int i, n, width, xoff;
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if (active_only)
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return;
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/* Get number of panes. */
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n = window_count_panes(w);
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if (n == 0)
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return;
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/* How many can we fit? */
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if (w->sx / n < PANE_MINIMUM) {
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width = PANE_MINIMUM;
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n = w->sx / PANE_MINIMUM;
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} else
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width = w->sx / n;
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/* Fit the panes. */
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i = xoff = 0;
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (i > n) {
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wp->flags |= PANE_HIDDEN;
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continue;
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}
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wp->flags &= ~PANE_HIDDEN;
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wp->xoff = xoff;
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wp->yoff = 0;
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if (i != n - 1)
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window_pane_resize(wp, width - 1, w->sy);
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else
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window_pane_resize(wp, width, w->sy);
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i++;
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xoff += width;
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}
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/* Any space left? */
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while (xoff++ < w->sx) {
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wp = TAILQ_LAST(&w->panes, window_panes);
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window_pane_resize(wp, wp->sx + 1, wp->sy);
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}
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}
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void
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layout_even_v_refresh(struct window *w, int active_only)
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{
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struct window_pane *wp;
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u_int i, n, height, yoff;
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if (active_only)
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return;
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/* Get number of panes. */
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n = window_count_panes(w);
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if (n == 0)
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return;
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/* How many can we fit? */
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if (w->sy / n < PANE_MINIMUM) {
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height = PANE_MINIMUM;
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n = w->sy / PANE_MINIMUM;
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} else
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height = w->sy / n;
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/* Fit the panes. */
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i = yoff = 0;
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (i > n) {
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wp->flags |= PANE_HIDDEN;
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continue;
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}
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wp->flags &= ~PANE_HIDDEN;
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wp->xoff = 0;
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wp->yoff = yoff;
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if (i != n - 1)
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window_pane_resize(wp, w->sx, height - 1);
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else
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window_pane_resize(wp, w->sx, height);
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i++;
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yoff += height;
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}
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/* Any space left? */
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while (yoff++ < w->sy) {
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wp = TAILQ_LAST(&w->panes, window_panes);
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window_pane_resize(wp, wp->sx, wp->sy + 1);
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}
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}
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void
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layout_main_v_refresh(struct window *w, int active_only)
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{
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struct window_pane *wp;
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u_int i, n, mainwidth, height, yoff;
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if (active_only)
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return;
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/* Get number of panes. */
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n = window_count_panes(w);
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if (n == 0)
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return;
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/* Get the main pane width and add one for separator line. */
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mainwidth = options_get_number(&w->options, "main-pane-width") + 1;
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/* Need >1 pane and minimum columns; if fewer, display active only. */
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if (n == 1 || w->sx < mainwidth + PANE_MINIMUM) {
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layout_active_only_refresh(w, active_only);
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return;
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}
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n--;
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/* How many can we fit, not including first? */
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if (w->sy / n < PANE_MINIMUM) {
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height = PANE_MINIMUM;
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n = w->sy / PANE_MINIMUM;
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} else
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height = w->sy / n;
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/* Fit the panes. */
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i = yoff = 0;
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (wp == TAILQ_FIRST(&w->panes)) {
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wp->xoff = 0;
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wp->yoff = 0;
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window_pane_resize(wp, mainwidth - 1, w->sy);
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wp->flags &= ~PANE_HIDDEN;
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continue;
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}
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if (i > n) {
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wp->flags |= PANE_HIDDEN;
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continue;
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}
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wp->flags &= ~PANE_HIDDEN;
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wp->xoff = mainwidth;
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wp->yoff = yoff;
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if (i != n - 1)
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window_pane_resize(wp, w->sx - mainwidth, height - 1);
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else
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window_pane_resize(wp, w->sx - mainwidth, height);
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i++;
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yoff += height;
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}
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/* Any space left? */
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while (yoff++ < w->sy) {
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wp = TAILQ_LAST(&w->panes, window_panes);
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while (wp != NULL && wp == TAILQ_FIRST(&w->panes))
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wp = TAILQ_PREV(wp, window_panes, entry);
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if (wp == NULL)
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break;
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window_pane_resize(wp, wp->sx, wp->sy + 1);
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}
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}
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void
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layout_main_h_refresh(struct window *w, int active_only)
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{
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struct window_pane *wp;
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u_int i, n, mainheight, width, xoff;
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if (active_only)
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return;
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/* Get number of panes. */
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n = window_count_panes(w);
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if (n == 0)
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return;
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/* Get the main pane height and add one for separator line. */
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mainheight = options_get_number(&w->options, "main-pane-height") + 1;
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/* Need >1 pane and minimum rows; if fewer, display active only. */
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if (n == 1 || w->sy < mainheight + PANE_MINIMUM) {
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layout_active_only_refresh(w, active_only);
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return;
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}
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n--;
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/* How many can we fit, not including first? */
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if (w->sx / n < PANE_MINIMUM) {
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width = PANE_MINIMUM;
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n = w->sx / PANE_MINIMUM;
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} else
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width = w->sx / n;
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/* Fit the panes. */
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i = xoff = 0;
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (wp == TAILQ_FIRST(&w->panes)) {
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wp->xoff = 0;
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wp->yoff = 0;
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window_pane_resize(wp, w->sx, mainheight - 1);
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wp->flags &= ~PANE_HIDDEN;
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continue;
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}
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if (i > n) {
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wp->flags |= PANE_HIDDEN;
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continue;
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}
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wp->flags &= ~PANE_HIDDEN;
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wp->xoff = xoff;
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wp->yoff = mainheight;
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if (i != n - 1)
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window_pane_resize(wp, width - 1, w->sy - mainheight);
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else
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window_pane_resize(wp, width - 1, w->sy - mainheight);
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i++;
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xoff += width;
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}
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/* Any space left? */
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while (xoff++ < w->sx + 1) {
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wp = TAILQ_LAST(&w->panes, window_panes);
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while (wp != NULL && wp == TAILQ_FIRST(&w->panes))
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wp = TAILQ_PREV(wp, window_panes, entry);
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if (wp == NULL)
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break;
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window_pane_resize(wp, wp->sx + 1, wp->sy);
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}
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}
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