Adding upstream version 3.3a.upstream/3.3aupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 5575 insertions, 0 deletions

diff --git a/window-copy.c b/window-copy.c
new file mode 100644
index 0000000..0307055
--- /dev/null
+++ b/window-copy.c
@@ -0,0 +1,5575 @@
+/* $OpenBSD$ */
+
+/*
+ * 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 <ctype.h>
+#include <regex.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "tmux.h"
+
+struct window_copy_mode_data;
+
+static const char *window_copy_key_table(struct window_mode_entry *);
+static void	window_copy_command(struct window_mode_entry *, struct client *,
+		    struct session *, struct winlink *, struct args *,
+		    struct mouse_event *);
+static struct screen *window_copy_init(struct window_mode_entry *,
+		    struct cmd_find_state *, struct args *);
+static struct screen *window_copy_view_init(struct window_mode_entry *,
+		    struct cmd_find_state *, struct args *);
+static void	window_copy_free(struct window_mode_entry *);
+static void	window_copy_resize(struct window_mode_entry *, u_int, u_int);
+static void	window_copy_formats(struct window_mode_entry *,
+		    struct format_tree *);
+static void	window_copy_pageup1(struct window_mode_entry *, int);
+static int	window_copy_pagedown(struct window_mode_entry *, int, int);
+static void	window_copy_next_paragraph(struct window_mode_entry *);
+static void	window_copy_previous_paragraph(struct window_mode_entry *);
+static void	window_copy_redraw_selection(struct window_mode_entry *, u_int);
+static void	window_copy_redraw_lines(struct window_mode_entry *, u_int,
+		    u_int);
+static void	window_copy_redraw_screen(struct window_mode_entry *);
+static void	window_copy_write_line(struct window_mode_entry *,
+		    struct screen_write_ctx *, u_int);
+static void	window_copy_write_lines(struct window_mode_entry *,
+		    struct screen_write_ctx *, u_int, u_int);
+static char    *window_copy_match_at_cursor(struct window_copy_mode_data *);
+static void	window_copy_scroll_to(struct window_mode_entry *, u_int, u_int,
+		    int);
+static int	window_copy_search_compare(struct grid *, u_int, u_int,
+		    struct grid *, u_int, int);
+static int	window_copy_search_lr(struct grid *, struct grid *, u_int *,
+		    u_int, u_int, u_int, int);
+static int	window_copy_search_rl(struct grid *, struct grid *, u_int *,
+		    u_int, u_int, u_int, int);
+static int	window_copy_last_regex(struct grid *, u_int, u_int, u_int,
+		    u_int, u_int *, u_int *, const char *, const regex_t *,
+		    int);
+static int	window_copy_search_mark_at(struct window_copy_mode_data *,
+		    u_int, u_int, u_int *);
+static char    *window_copy_stringify(struct grid *, u_int, u_int, u_int,
+		    char *, u_int *);
+static void	window_copy_cstrtocellpos(struct grid *, u_int, u_int *,
+		    u_int *, const char *);
+static int	window_copy_search_marks(struct window_mode_entry *,
+		    struct screen *, int, int);
+static void	window_copy_clear_marks(struct window_mode_entry *);
+static int	window_copy_is_lowercase(const char *);
+static void	window_copy_search_back_overlap(struct grid *, regex_t *,
+		    u_int *, u_int *, u_int *, u_int);
+static int	window_copy_search_jump(struct window_mode_entry *,
+		    struct grid *, struct grid *, u_int, u_int, u_int, int, int,
+		    int, int);
+static int	window_copy_search(struct window_mode_entry *, int, int);
+static int	window_copy_search_up(struct window_mode_entry *, int);
+static int	window_copy_search_down(struct window_mode_entry *, int);
+static void	window_copy_goto_line(struct window_mode_entry *, const char *);
+static void	window_copy_update_cursor(struct window_mode_entry *, u_int,
+		    u_int);
+static void	window_copy_start_selection(struct window_mode_entry *);
+static int	window_copy_adjust_selection(struct window_mode_entry *,
+		    u_int *, u_int *);
+static int	window_copy_set_selection(struct window_mode_entry *, int, int);
+static int	window_copy_update_selection(struct window_mode_entry *, int,
+		    int);
+static void	window_copy_synchronize_cursor(struct window_mode_entry *, int);
+static void    *window_copy_get_selection(struct window_mode_entry *, size_t *);
+static void	window_copy_copy_buffer(struct window_mode_entry *,
+		    const char *, void *, size_t);
+static void	window_copy_pipe(struct window_mode_entry *,
+		    struct session *, const char *);
+static void	window_copy_copy_pipe(struct window_mode_entry *,
+		    struct session *, const char *, const char *);
+static void	window_copy_copy_selection(struct window_mode_entry *,
+		    const char *);
+static void	window_copy_append_selection(struct window_mode_entry *);
+static void	window_copy_clear_selection(struct window_mode_entry *);
+static void	window_copy_copy_line(struct window_mode_entry *, char **,
+		    size_t *, u_int, u_int, u_int);
+static int	window_copy_in_set(struct window_mode_entry *, u_int, u_int,
+		    const char *);
+static u_int	window_copy_find_length(struct window_mode_entry *, u_int);
+static void	window_copy_cursor_start_of_line(struct window_mode_entry *);
+static void	window_copy_cursor_back_to_indentation(
+		    struct window_mode_entry *);
+static void	window_copy_cursor_end_of_line(struct window_mode_entry *);
+static void	window_copy_other_end(struct window_mode_entry *);
+static void	window_copy_cursor_left(struct window_mode_entry *);
+static void	window_copy_cursor_right(struct window_mode_entry *, int);
+static void	window_copy_cursor_up(struct window_mode_entry *, int);
+static void	window_copy_cursor_down(struct window_mode_entry *, int);
+static void	window_copy_cursor_jump(struct window_mode_entry *);
+static void	window_copy_cursor_jump_back(struct window_mode_entry *);
+static void	window_copy_cursor_jump_to(struct window_mode_entry *);
+static void	window_copy_cursor_jump_to_back(struct window_mode_entry *);
+static void	window_copy_cursor_next_word(struct window_mode_entry *,
+		    const char *);
+static void	window_copy_cursor_next_word_end_pos(struct window_mode_entry *,
+		    const char *, u_int *, u_int *);
+static void	window_copy_cursor_next_word_end(struct window_mode_entry *,
+		    const char *, int);
+static void	window_copy_cursor_previous_word_pos(struct window_mode_entry *,
+		    const char *, u_int *, u_int *);
+static void	window_copy_cursor_previous_word(struct window_mode_entry *,
+		    const char *, int);
+static void	window_copy_scroll_up(struct window_mode_entry *, u_int);
+static void	window_copy_scroll_down(struct window_mode_entry *, u_int);
+static void	window_copy_rectangle_set(struct window_mode_entry *, int);
+static void	window_copy_move_mouse(struct mouse_event *);
+static void	window_copy_drag_update(struct client *, struct mouse_event *);
+static void	window_copy_drag_release(struct client *, struct mouse_event *);
+static void	window_copy_jump_to_mark(struct window_mode_entry *);
+static void	window_copy_acquire_cursor_up(struct window_mode_entry *,
+		    u_int, u_int, u_int, u_int, u_int);
+static void	window_copy_acquire_cursor_down(struct window_mode_entry *,
+		    u_int, u_int, u_int, u_int, u_int, u_int, int);
+
+const struct window_mode window_copy_mode = {
+	.name = "copy-mode",
+
+	.init = window_copy_init,
+	.free = window_copy_free,
+	.resize = window_copy_resize,
+	.key_table = window_copy_key_table,
+	.command = window_copy_command,
+	.formats = window_copy_formats,
+};
+
+const struct window_mode window_view_mode = {
+	.name = "view-mode",
+
+	.init = window_copy_view_init,
+	.free = window_copy_free,
+	.resize = window_copy_resize,
+	.key_table = window_copy_key_table,
+	.command = window_copy_command,
+	.formats = window_copy_formats,
+};
+
+enum {
+	WINDOW_COPY_OFF,
+	WINDOW_COPY_SEARCHUP,
+	WINDOW_COPY_SEARCHDOWN,
+	WINDOW_COPY_JUMPFORWARD,
+	WINDOW_COPY_JUMPBACKWARD,
+	WINDOW_COPY_JUMPTOFORWARD,
+	WINDOW_COPY_JUMPTOBACKWARD,
+};
+
+enum {
+	WINDOW_COPY_REL_POS_ABOVE,
+	WINDOW_COPY_REL_POS_ON_SCREEN,
+	WINDOW_COPY_REL_POS_BELOW,
+};
+
+enum window_copy_cmd_action {
+	WINDOW_COPY_CMD_NOTHING,
+	WINDOW_COPY_CMD_REDRAW,
+	WINDOW_COPY_CMD_CANCEL,
+};
+
+enum window_copy_cmd_clear {
+	WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	WINDOW_COPY_CMD_CLEAR_NEVER,
+	WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+};
+
+struct window_copy_cmd_state {
+	struct window_mode_entry	*wme;
+	struct args			*args;
+	struct mouse_event		*m;
+
+	struct client			*c;
+	struct session			*s;
+	struct winlink			*wl;
+};
+
+/*
+ * Copy mode's visible screen (the "screen" field) is filled from one of two
+ * sources: the original contents of the pane (used when we actually enter via
+ * the "copy-mode" command, to copy the contents of the current pane), or else
+ * a series of lines containing the output from an output-writing tmux command
+ * (such as any of the "show-*" or "list-*" commands).
+ *
+ * In either case, the full content of the copy-mode grid is pointed at by the
+ * "backing" field, and is copied into "screen" as needed (that is, when
+ * scrolling occurs). When copy-mode is backed by a pane, backing points
+ * directly at that pane's screen structure (&wp->base); when backed by a list
+ * of output-lines from a command, it points at a newly-allocated screen
+ * structure (which is deallocated when the mode ends).
+ */
+struct window_copy_mode_data {
+	struct screen	 screen;
+
+	struct screen	*backing;
+	int		 backing_written; /* backing display started */
+	struct screen	*writing;
+	struct input_ctx *ictx;
+
+	int		 viewmode;	/* view mode entered */
+
+	u_int		 oy;		/* number of lines scrolled up */
+
+	u_int		 selx;		/* beginning of selection */
+	u_int		 sely;
+
+	u_int		 endselx;	/* end of selection */
+	u_int		 endsely;
+
+	enum {
+		CURSORDRAG_NONE,	/* selection is independent of cursor */
+		CURSORDRAG_ENDSEL,	/* end is synchronized with cursor */
+		CURSORDRAG_SEL,		/* start is synchronized with cursor */
+	} cursordrag;
+
+	int		 modekeys;
+	enum {
+		LINE_SEL_NONE,
+		LINE_SEL_LEFT_RIGHT,
+		LINE_SEL_RIGHT_LEFT,
+	} lineflag;			/* line selection mode */
+	int		 rectflag;	/* in rectangle copy mode? */
+	int		 scroll_exit;	/* exit on scroll to end? */
+	int		 hide_position;	/* hide position marker */
+
+	enum {
+		SEL_CHAR,		/* select one char at a time */
+		SEL_WORD,		/* select one word at a time */
+		SEL_LINE,		/* select one line at a time */
+	} selflag;
+
+	const char	*separators;	/* word separators */
+
+	u_int		 dx;		/* drag start position */
+	u_int		 dy;
+
+	u_int		 selrx;		/* selection reset positions */
+	u_int		 selry;
+	u_int		 endselrx;
+	u_int		 endselry;
+
+	u_int		 cx;
+	u_int		 cy;
+
+	u_int		 lastcx; 	/* position in last line w/ content */
+	u_int		 lastsx;	/* size of last line w/ content */
+
+	u_int		 mx;		/* mark position */
+	u_int		 my;
+	int		 showmark;
+
+	int		 searchtype;
+	int		 searchdirection;
+	int		 searchregex;
+	char		*searchstr;
+	u_char		*searchmark;
+	int		 searchcount;
+	int		 searchmore;
+	int		 searchall;
+	int		 searchx;
+	int		 searchy;
+	int		 searcho;
+	u_char		 searchgen;
+
+	int		 timeout;	/* search has timed out */
+#define WINDOW_COPY_SEARCH_TIMEOUT 10000
+#define WINDOW_COPY_SEARCH_ALL_TIMEOUT 200
+
+	int			 jumptype;
+	struct utf8_data	*jumpchar;
+
+	struct event	 dragtimer;
+#define WINDOW_COPY_DRAG_REPEAT_TIME 50000
+};
+
+static void
+window_copy_scroll_timer(__unused int fd, __unused short events, void *arg)
+{
+	struct window_mode_entry	*wme = arg;
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct timeval			 tv = {
+		.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
+	};
+
+	evtimer_del(&data->dragtimer);
+
+	if (TAILQ_FIRST(&wp->modes) != wme)
+		return;
+
+	if (data->cy == 0) {
+		evtimer_add(&data->dragtimer, &tv);
+		window_copy_cursor_up(wme, 1);
+	} else if (data->cy == screen_size_y(&data->screen) - 1) {
+		evtimer_add(&data->dragtimer, &tv);
+		window_copy_cursor_down(wme, 1);
+	}
+}
+
+static struct screen *
+window_copy_clone_screen(struct screen *src, struct screen *hint, u_int *cx,
+    u_int *cy, int trim)
+{
+	struct screen		*dst;
+	const struct grid_line	*gl;
+	u_int			 sy, wx, wy;
+	int			 reflow;
+
+	dst = xcalloc(1, sizeof *dst);
+
+	sy = screen_hsize(src) + screen_size_y(src);
+	if (trim) {
+		while (sy > screen_hsize(src)) {
+			gl = grid_peek_line(src->grid, sy - 1);
+			if (gl->cellused != 0)
+				break;
+			sy--;
+		}
+	}
+	log_debug("%s: target screen is %ux%u, source %ux%u", __func__,
+	    screen_size_x(src), sy, screen_size_x(hint),
+	    screen_hsize(src) + screen_size_y(src));
+	screen_init(dst, screen_size_x(src), sy, screen_hlimit(src));
+
+	/*
+	 * Ensure history is on for the backing grid so lines are not deleted
+	 * during resizing.
+	 */
+	dst->grid->flags |= GRID_HISTORY;
+	grid_duplicate_lines(dst->grid, 0, src->grid, 0, sy);
+
+	dst->grid->sy = sy - screen_hsize(src);
+	dst->grid->hsize = screen_hsize(src);
+	dst->grid->hscrolled = src->grid->hscrolled;
+	if (src->cy > dst->grid->sy - 1) {
+		dst->cx = 0;
+		dst->cy = dst->grid->sy - 1;
+	} else {
+		dst->cx = src->cx;
+		dst->cy = src->cy;
+	}
+
+	if (cx != NULL && cy != NULL) {
+		*cx = dst->cx;
+		*cy = screen_hsize(dst) + dst->cy;
+		reflow = (screen_size_x(hint) != screen_size_x(dst));
+	}
+	else
+		reflow = 0;
+	if (reflow)
+		grid_wrap_position(dst->grid, *cx, *cy, &wx, &wy);
+	screen_resize_cursor(dst, screen_size_x(hint), screen_size_y(hint), 1,
+	    0, 0);
+	if (reflow)
+		grid_unwrap_position(dst->grid, cx, cy, wx, wy);
+
+	return (dst);
+}
+
+static struct window_copy_mode_data *
+window_copy_common_init(struct window_mode_entry *wme)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data;
+	struct screen			*base = &wp->base;
+
+	wme->data = data = xcalloc(1, sizeof *data);
+
+	data->cursordrag = CURSORDRAG_NONE;
+	data->lineflag = LINE_SEL_NONE;
+	data->selflag = SEL_CHAR;
+
+	if (wp->searchstr != NULL) {
+		data->searchtype = WINDOW_COPY_SEARCHUP;
+		data->searchregex = wp->searchregex;
+		data->searchstr = xstrdup(wp->searchstr);
+	} else {
+		data->searchtype = WINDOW_COPY_OFF;
+		data->searchregex = 0;
+		data->searchstr = NULL;
+	}
+	data->searchx = data->searchy = data->searcho = -1;
+	data->searchall = 1;
+
+	data->jumptype = WINDOW_COPY_OFF;
+	data->jumpchar = NULL;
+
+	screen_init(&data->screen, screen_size_x(base), screen_size_y(base), 0);
+	data->modekeys = options_get_number(wp->window->options, "mode-keys");
+
+	evtimer_set(&data->dragtimer, window_copy_scroll_timer, wme);
+
+	return (data);
+}
+
+static struct screen *
+window_copy_init(struct window_mode_entry *wme,
+    __unused struct cmd_find_state *fs, struct args *args)
+{
+	struct window_pane		*wp = wme->swp;
+	struct window_copy_mode_data	*data;
+	struct screen			*base = &wp->base;
+	struct screen_write_ctx		 ctx;
+	u_int				 i, cx, cy;
+
+	data = window_copy_common_init(wme);
+	data->backing = window_copy_clone_screen(base, &data->screen, &cx, &cy,
+	    wme->swp != wme->wp);
+
+	data->cx = cx;
+	if (cy < screen_hsize(data->backing)) {
+		data->cy = 0;
+		data->oy = screen_hsize(data->backing) - cy;
+	} else {
+		data->cy = cy - screen_hsize(data->backing);
+		data->oy = 0;
+	}
+
+	data->scroll_exit = args_has(args, 'e');
+	data->hide_position = args_has(args, 'H');
+
+	data->screen.cx = data->cx;
+	data->screen.cy = data->cy;
+	data->mx = data->cx;
+	data->my = screen_hsize(data->backing) + data->cy - data->oy;
+	data->showmark = 0;
+
+	screen_write_start(&ctx, &data->screen);
+	for (i = 0; i < screen_size_y(&data->screen); i++)
+		window_copy_write_line(wme, &ctx, i);
+	screen_write_cursormove(&ctx, data->cx, data->cy, 0);
+	screen_write_stop(&ctx);
+
+	return (&data->screen);
+}
+
+static struct screen *
+window_copy_view_init(struct window_mode_entry *wme,
+    __unused struct cmd_find_state *fs, __unused struct args *args)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data;
+	struct screen			*base = &wp->base;
+	u_int				 sx = screen_size_x(base);
+
+	data = window_copy_common_init(wme);
+	data->viewmode = 1;
+
+	data->backing = xmalloc(sizeof *data->backing);
+	screen_init(data->backing, sx, screen_size_y(base), UINT_MAX);
+	data->writing = xmalloc(sizeof *data->writing);
+	screen_init(data->writing, sx, screen_size_y(base), 0);
+	data->ictx = input_init(NULL, NULL, NULL);
+	data->mx = data->cx;
+	data->my = screen_hsize(data->backing) + data->cy - data->oy;
+	data->showmark = 0;
+
+	return (&data->screen);
+}
+
+static void
+window_copy_free(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	evtimer_del(&data->dragtimer);
+
+	free(data->searchmark);
+	free(data->searchstr);
+	free(data->jumpchar);
+
+	if (data->writing != NULL) {
+		screen_free(data->writing);
+		free(data->writing);
+	}
+	if (data->ictx != NULL)
+		input_free(data->ictx);
+	screen_free(data->backing);
+	free(data->backing);
+
+	screen_free(&data->screen);
+	free(data);
+}
+
+void
+window_copy_add(struct window_pane *wp, int parse, const char *fmt, ...)
+{
+	va_list	ap;
+
+	va_start(ap, fmt);
+	window_copy_vadd(wp, parse, fmt, ap);
+	va_end(ap);
+}
+
+static void
+window_copy_init_ctx_cb(__unused struct screen_write_ctx *ctx,
+    struct tty_ctx *ttyctx)
+{
+	memcpy(&ttyctx->defaults, &grid_default_cell, sizeof ttyctx->defaults);
+	ttyctx->palette = NULL;
+	ttyctx->redraw_cb = NULL;
+	ttyctx->set_client_cb = NULL;
+	ttyctx->arg = NULL;
+}
+
+void
+window_copy_vadd(struct window_pane *wp, int parse, const char *fmt, va_list ap)
+{
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*backing = data->backing;
+	struct screen			*writing = data->writing;
+	struct screen_write_ctx	 	 writing_ctx, backing_ctx, ctx;
+	struct grid_cell		 gc;
+	u_int				 old_hsize, old_cy;
+	u_int				 sx = screen_size_x(backing);
+	char				*text;
+
+	if (parse) {
+		vasprintf(&text, fmt, ap);
+		screen_write_start(&writing_ctx, writing);
+		screen_write_reset(&writing_ctx);
+		input_parse_screen(data->ictx, writing, window_copy_init_ctx_cb,
+		    data, text, strlen(text));
+		free(text);
+	}
+
+	old_hsize = screen_hsize(data->backing);
+	screen_write_start(&backing_ctx, backing);
+	if (data->backing_written) {
+		/*
+		 * On the second or later line, do a CRLF before writing
+		 * (so it's on a new line).
+		 */
+		screen_write_carriagereturn(&backing_ctx);
+		screen_write_linefeed(&backing_ctx, 0, 8);
+	} else
+		data->backing_written = 1;
+	old_cy = backing->cy;
+	if (parse)
+		screen_write_fast_copy(&backing_ctx, writing, 0, 0, sx, 1);
+	else {
+		memcpy(&gc, &grid_default_cell, sizeof gc);
+		screen_write_vnputs(&backing_ctx, 0, &gc, fmt, ap);
+	}
+	screen_write_stop(&backing_ctx);
+
+	data->oy += screen_hsize(data->backing) - old_hsize;
+
+	screen_write_start_pane(&ctx, wp, &data->screen);
+
+	/*
+	 * If the history has changed, draw the top line.
+	 * (If there's any history at all, it has changed.)
+	 */
+	if (screen_hsize(data->backing))
+		window_copy_redraw_lines(wme, 0, 1);
+
+	/* Write the new lines. */
+	window_copy_redraw_lines(wme, old_cy, backing->cy - old_cy + 1);
+
+	screen_write_stop(&ctx);
+}
+
+void
+window_copy_pageup(struct window_pane *wp, int half_page)
+{
+	window_copy_pageup1(TAILQ_FIRST(&wp->modes), half_page);
+}
+
+static void
+window_copy_pageup1(struct window_mode_entry *wme, int half_page)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 n, ox, oy, px, py;
+
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	ox = window_copy_find_length(wme, oy);
+
+	if (data->cx != ox) {
+		data->lastcx = data->cx;
+		data->lastsx = ox;
+	}
+	data->cx = data->lastcx;
+
+	n = 1;
+	if (screen_size_y(s) > 2) {
+		if (half_page)
+			n = screen_size_y(s) / 2;
+		else
+			n = screen_size_y(s) - 2;
+	}
+
+	if (data->oy + n > screen_hsize(data->backing)) {
+		data->oy = screen_hsize(data->backing);
+		if (data->cy < n)
+			data->cy = 0;
+		else
+			data->cy -= n;
+	} else
+		data->oy += n;
+
+	if (data->screen.sel == NULL || !data->rectflag) {
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		px = window_copy_find_length(wme, py);
+		if ((data->cx >= data->lastsx && data->cx != px) ||
+		    data->cx > px)
+			window_copy_cursor_end_of_line(wme);
+	}
+
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 1, 0);
+	window_copy_redraw_screen(wme);
+}
+
+static int
+window_copy_pagedown(struct window_mode_entry *wme, int half_page,
+    int scroll_exit)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 n, ox, oy, px, py;
+
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	ox = window_copy_find_length(wme, oy);
+
+	if (data->cx != ox) {
+		data->lastcx = data->cx;
+		data->lastsx = ox;
+	}
+	data->cx = data->lastcx;
+
+	n = 1;
+	if (screen_size_y(s) > 2) {
+		if (half_page)
+			n = screen_size_y(s) / 2;
+		else
+			n = screen_size_y(s) - 2;
+	}
+
+	if (data->oy < n) {
+		data->oy = 0;
+		if (data->cy + (n - data->oy) >= screen_size_y(data->backing))
+			data->cy = screen_size_y(data->backing) - 1;
+		else
+			data->cy += n - data->oy;
+	} else
+		data->oy -= n;
+
+	if (data->screen.sel == NULL || !data->rectflag) {
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		px = window_copy_find_length(wme, py);
+		if ((data->cx >= data->lastsx && data->cx != px) ||
+		    data->cx > px)
+			window_copy_cursor_end_of_line(wme);
+	}
+
+	if (scroll_exit && data->oy == 0)
+		return (1);
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 1, 0);
+	window_copy_redraw_screen(wme);
+	return (0);
+}
+
+static void
+window_copy_previous_paragraph(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 oy;
+
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+
+	while (oy > 0 && window_copy_find_length(wme, oy) == 0)
+		oy--;
+
+	while (oy > 0 && window_copy_find_length(wme, oy) > 0)
+		oy--;
+
+	window_copy_scroll_to(wme, 0, oy, 0);
+}
+
+static void
+window_copy_next_paragraph(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 maxy, ox, oy;
+
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
+
+	while (oy < maxy && window_copy_find_length(wme, oy) == 0)
+		oy++;
+
+	while (oy < maxy && window_copy_find_length(wme, oy) > 0)
+		oy++;
+
+	ox = window_copy_find_length(wme, oy);
+	window_copy_scroll_to(wme, ox, oy, 0);
+}
+
+char *
+window_copy_get_word(struct window_pane *wp, u_int x, u_int y)
+{
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->screen.grid;
+
+	return (format_grid_word(gd, x, gd->hsize + y));
+}
+
+char *
+window_copy_get_line(struct window_pane *wp, u_int y)
+{
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->screen.grid;
+
+	return (format_grid_line(gd, gd->hsize + y));
+}
+
+static void *
+window_copy_cursor_word_cb(struct format_tree *ft)
+{
+	struct window_pane		*wp = format_get_pane(ft);
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+
+	return (window_copy_get_word(wp, data->cx, data->cy));
+}
+
+static void *
+window_copy_cursor_line_cb(struct format_tree *ft)
+{
+	struct window_pane		*wp = format_get_pane(ft);
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+
+	return (window_copy_get_line(wp, data->cy));
+}
+
+static void *
+window_copy_search_match_cb(struct format_tree *ft)
+{
+	struct window_pane		*wp = format_get_pane(ft);
+	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
+	struct window_copy_mode_data	*data = wme->data;
+
+	return (window_copy_match_at_cursor(data));
+}
+
+static void
+window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	format_add(ft, "scroll_position", "%d", data->oy);
+	format_add(ft, "rectangle_toggle", "%d", data->rectflag);
+
+	format_add(ft, "copy_cursor_x", "%d", data->cx);
+	format_add(ft, "copy_cursor_y", "%d", data->cy);
+
+	format_add(ft, "selection_present", "%d", data->screen.sel != NULL);
+	if (data->screen.sel != NULL) {
+		format_add(ft, "selection_start_x", "%d", data->selx);
+		format_add(ft, "selection_start_y", "%d", data->sely);
+		format_add(ft, "selection_end_x", "%d", data->endselx);
+		format_add(ft, "selection_end_y", "%d", data->endsely);
+		format_add(ft, "selection_active", "%d",
+		    data->cursordrag != CURSORDRAG_NONE);
+	} else
+		format_add(ft, "selection_active", "%d", 0);
+
+	format_add(ft, "search_present", "%d", data->searchmark != NULL);
+	format_add_cb(ft, "search_match", window_copy_search_match_cb);
+
+	format_add_cb(ft, "copy_cursor_word", window_copy_cursor_word_cb);
+	format_add_cb(ft, "copy_cursor_line", window_copy_cursor_line_cb);
+}
+
+static void
+window_copy_size_changed(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct screen_write_ctx		 ctx;
+	int				 search = (data->searchmark != NULL);
+
+	window_copy_clear_selection(wme);
+	window_copy_clear_marks(wme);
+
+	screen_write_start(&ctx, s);
+	window_copy_write_lines(wme, &ctx, 0, screen_size_y(s));
+	screen_write_stop(&ctx);
+
+	if (search && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 0);
+	data->searchx = data->cx;
+	data->searchy = data->cy;
+	data->searcho = data->oy;
+}
+
+static void
+window_copy_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct grid			*gd = data->backing->grid;
+	u_int				 cx, cy, wx, wy;
+	int				 reflow;
+
+	screen_resize(s, sx, sy, 0);
+	cx = data->cx;
+	cy = gd->hsize + data->cy - data->oy;
+	reflow = (gd->sx != sx);
+	if (reflow)
+		grid_wrap_position(gd, cx, cy, &wx, &wy);
+	screen_resize_cursor(data->backing, sx, sy, 1, 0, 0);
+	if (reflow)
+		grid_unwrap_position(gd, &cx, &cy, wx, wy);
+
+	data->cx = cx;
+	if (cy < gd->hsize) {
+		data->cy = 0;
+		data->oy = gd->hsize - cy;
+	} else {
+		data->cy = cy - gd->hsize;
+		data->oy = 0;
+	}
+
+	window_copy_size_changed(wme);
+	window_copy_redraw_screen(wme);
+}
+
+static const char *
+window_copy_key_table(struct window_mode_entry *wme)
+{
+	struct window_pane	*wp = wme->wp;
+
+	if (options_get_number(wp->window->options, "mode-keys") == MODEKEY_VI)
+		return ("copy-mode-vi");
+	return ("copy-mode");
+}
+
+static int
+window_copy_expand_search_string(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	const char			*ss = args_string(cs->args, 1);
+	char				*expanded;
+
+	if (ss == NULL || *ss == '\0')
+		return (0);
+
+	if (args_has(cs->args, 'F')) {
+		expanded = format_single(NULL, ss, NULL, NULL, NULL, wme->wp);
+		if (*expanded == '\0') {
+			free(expanded);
+			return (0);
+		}
+		free(data->searchstr);
+		data->searchstr = expanded;
+	} else {
+		free(data->searchstr);
+		data->searchstr = xstrdup(ss);
+	}
+	return (1);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_append_selection(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct session			*s = cs->s;
+
+	if (s != NULL)
+		window_copy_append_selection(wme);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_append_selection_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct session			*s = cs->s;
+
+	if (s != NULL)
+		window_copy_append_selection(wme);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_CANCEL);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_back_to_indentation(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cursor_back_to_indentation(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_begin_selection(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct client			*c = cs->c;
+	struct mouse_event		*m = cs->m;
+	struct window_copy_mode_data	*data = wme->data;
+
+	if (m != NULL) {
+		window_copy_start_drag(c, m);
+		return (WINDOW_COPY_CMD_NOTHING);
+	}
+
+	data->lineflag = LINE_SEL_NONE;
+	data->selflag = SEL_CHAR;
+	window_copy_start_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_stop_selection(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->cursordrag = CURSORDRAG_NONE;
+	data->lineflag = LINE_SEL_NONE;
+	data->selflag = SEL_CHAR;
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_bottom_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->cx = 0;
+	data->cy = screen_size_y(&data->screen) - 1;
+
+	window_copy_update_selection(wme, 1, 0);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cancel(__unused struct window_copy_cmd_state *cs)
+{
+	return (WINDOW_COPY_CMD_CANCEL);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_clear_selection(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_do_copy_end_of_line(struct window_copy_cmd_state *cs, int pipe,
+    int cancel)
+{
+	struct window_mode_entry	 *wme = cs->wme;
+	struct client			 *c = cs->c;
+	struct session			 *s = cs->s;
+	struct winlink			 *wl = cs->wl;
+	struct window_pane		 *wp = wme->wp;
+	u_int				  count = args_count(cs->args);
+	u_int				  np = wme->prefix, ocx, ocy, ooy;
+	struct window_copy_mode_data	 *data = wme->data;
+	char				 *prefix = NULL, *command = NULL;
+	const char			 *arg1 = args_string(cs->args, 1);
+	const char			 *arg2 = args_string(cs->args, 2);
+
+	if (pipe) {
+		if (count == 3)
+			prefix = format_single(NULL, arg2, c, s, wl, wp);
+		if (s != NULL && count > 1 && *arg1 != '\0')
+			command = format_single(NULL, arg1, c, s, wl, wp);
+	} else {
+		if (count == 2)
+			prefix = format_single(NULL, arg1, c, s, wl, wp);
+	}
+
+	ocx = data->cx;
+	ocy = data->cy;
+	ooy = data->oy;
+
+	window_copy_start_selection(wme);
+	for (; np > 1; np--)
+		window_copy_cursor_down(wme, 0);
+	window_copy_cursor_end_of_line(wme);
+
+	if (s != NULL) {
+		if (pipe)
+			window_copy_copy_pipe(wme, s, prefix, command);
+		else
+			window_copy_copy_selection(wme, prefix);
+
+		if (cancel) {
+			free(prefix);
+			free(command);
+			return (WINDOW_COPY_CMD_CANCEL);
+		}
+	}
+	window_copy_clear_selection(wme);
+
+	data->cx = ocx;
+	data->cy = ocy;
+	data->oy = ooy;
+
+	free(prefix);
+	free(command);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_end_of_line(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_end_of_line(cs, 0, 0));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_end_of_line_and_cancel(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_end_of_line(cs, 0, 1));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_end_of_line(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_end_of_line(cs, 1, 0));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_end_of_line_and_cancel(
+    struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_end_of_line(cs, 1, 1));
+}
+
+static enum window_copy_cmd_action
+window_copy_do_copy_line(struct window_copy_cmd_state *cs, int pipe, int cancel)
+{
+	struct window_mode_entry	 *wme = cs->wme;
+	struct client			 *c = cs->c;
+	struct session			 *s = cs->s;
+	struct winlink			 *wl = cs->wl;
+	struct window_pane		 *wp = wme->wp;
+	struct window_copy_mode_data	 *data = wme->data;
+	u_int				  count = args_count(cs->args);
+	u_int				  np = wme->prefix, ocx, ocy, ooy;
+	char				 *prefix = NULL, *command = NULL;
+	const char			 *arg1 = args_string(cs->args, 1);
+	const char			 *arg2 = args_string(cs->args, 2);
+
+	if (pipe) {
+		if (count == 3)
+			prefix = format_single(NULL, arg2, c, s, wl, wp);
+		if (s != NULL && count > 1 && *arg1 != '\0')
+			command = format_single(NULL, arg1, c, s, wl, wp);
+	} else {
+		if (count == 2)
+			prefix = format_single(NULL, arg1, c, s, wl, wp);
+	}
+
+	ocx = data->cx;
+	ocy = data->cy;
+	ooy = data->oy;
+
+	data->selflag = SEL_CHAR;
+	window_copy_cursor_start_of_line(wme);
+	window_copy_start_selection(wme);
+	for (; np > 1; np--)
+		window_copy_cursor_down(wme, 0);
+	window_copy_cursor_end_of_line(wme);
+
+	if (s != NULL) {
+		if (pipe)
+			window_copy_copy_pipe(wme, s, prefix, command);
+		else
+			window_copy_copy_selection(wme, prefix);
+
+		if (cancel) {
+			free(prefix);
+			free(command);
+			return (WINDOW_COPY_CMD_CANCEL);
+		}
+	}
+	window_copy_clear_selection(wme);
+
+	data->cx = ocx;
+	data->cy = ocy;
+	data->oy = ooy;
+
+	free(prefix);
+	free(command);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_line(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_line(cs, 0, 0));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_line_and_cancel(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_line(cs, 0, 1));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_line(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_line(cs, 1, 0));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_line_and_cancel(struct window_copy_cmd_state *cs)
+{
+	return (window_copy_do_copy_line(cs, 1, 1));
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_selection_no_clear(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct client			*c = cs->c;
+	struct session			*s = cs->s;
+	struct winlink			*wl = cs->wl;
+	struct window_pane		*wp = wme->wp;
+	char				*prefix = NULL;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (arg1 != NULL)
+		prefix = format_single(NULL, arg1, c, s, wl, wp);
+
+	if (s != NULL)
+		window_copy_copy_selection(wme, prefix);
+
+	free(prefix);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_selection(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_copy_selection_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_selection_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_copy_selection_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_CANCEL);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cursor_down(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_down(wme, 0);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cursor_down_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix, cy;
+
+	cy = data->cy;
+	for (; np != 0; np--)
+		window_copy_cursor_down(wme, 0);
+	if (cy == data->cy && data->oy == 0)
+		return (WINDOW_COPY_CMD_CANCEL);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cursor_left(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_left(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--) {
+		window_copy_cursor_right(wme, data->screen.sel != NULL &&
+		    data->rectflag);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_up(wme, 0);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_end_of_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cursor_end_of_line(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_halfpage_down(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--) {
+		if (window_copy_pagedown(wme, 1, data->scroll_exit))
+			return (WINDOW_COPY_CMD_CANCEL);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_halfpage_down_and_cancel(struct window_copy_cmd_state *cs)
+{
+
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--) {
+		if (window_copy_pagedown(wme, 1, 1))
+			return (WINDOW_COPY_CMD_CANCEL);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_halfpage_up(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_pageup1(wme, 1);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_toggle_position(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->hide_position = !data->hide_position;
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_history_bottom(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = data->backing;
+	u_int				 oy;
+
+	oy = screen_hsize(s) + data->cy - data->oy;
+	if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
+		window_copy_other_end(wme);
+
+	data->cy = screen_size_y(&data->screen) - 1;
+	data->cx = window_copy_find_length(wme, screen_hsize(s) + data->cy);
+	data->oy = 0;
+
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 1, 0);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_history_top(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 oy;
+
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
+		window_copy_other_end(wme);
+
+	data->cy = 0;
+	data->cx = 0;
+	data->oy = screen_hsize(data->backing);
+
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 1, 0);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_again(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	switch (data->jumptype) {
+	case WINDOW_COPY_JUMPFORWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump(wme);
+		break;
+	case WINDOW_COPY_JUMPBACKWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_back(wme);
+		break;
+	case WINDOW_COPY_JUMPTOFORWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to(wme);
+		break;
+	case WINDOW_COPY_JUMPTOBACKWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to_back(wme);
+		break;
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_reverse(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	switch (data->jumptype) {
+	case WINDOW_COPY_JUMPFORWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_back(wme);
+		break;
+	case WINDOW_COPY_JUMPBACKWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump(wme);
+		break;
+	case WINDOW_COPY_JUMPTOFORWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to_back(wme);
+		break;
+	case WINDOW_COPY_JUMPTOBACKWARD:
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to(wme);
+		break;
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_middle_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->cx = 0;
+	data->cy = (screen_size_y(&data->screen) - 1) / 2;
+
+	window_copy_update_selection(wme, 1, 0);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_previous_matching_bracket(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = data->backing;
+	char				 open[] = "{[(", close[] = "}])";
+	char				 tried, found, start, *cp;
+	u_int				 px, py, xx, n;
+	struct grid_cell		 gc;
+	int				 failed;
+
+	for (; np != 0; np--) {
+		/* Get cursor position and line length. */
+		px = data->cx;
+		py = screen_hsize(s) + data->cy - data->oy;
+		xx = window_copy_find_length(wme, py);
+		if (xx == 0)
+			break;
+
+		/*
+		 * Get the current character. If not on a bracket, try the
+		 * previous. If still not, then behave like previous-word.
+		 */
+		tried = 0;
+	retry:
+		grid_get_cell(s->grid, px, py, &gc);
+		if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
+			cp = NULL;
+		else {
+			found = *gc.data.data;
+			cp = strchr(close, found);
+		}
+		if (cp == NULL) {
+			if (data->modekeys == MODEKEY_EMACS) {
+				if (!tried && px > 0) {
+					px--;
+					tried = 1;
+					goto retry;
+				}
+				window_copy_cursor_previous_word(wme, close, 1);
+			}
+			continue;
+		}
+		start = open[cp - close];
+
+		/* Walk backward until the matching bracket is reached. */
+		n = 1;
+		failed = 0;
+		do {
+			if (px == 0) {
+				if (py == 0) {
+					failed = 1;
+					break;
+				}
+				do {
+					py--;
+					xx = window_copy_find_length(wme, py);
+				} while (xx == 0 && py > 0);
+				if (xx == 0 && py == 0) {
+					failed = 1;
+					break;
+				}
+				px = xx - 1;
+			} else
+				px--;
+
+			grid_get_cell(s->grid, px, py, &gc);
+			if (gc.data.size == 1 &&
+			    (~gc.flags & GRID_FLAG_PADDING)) {
+				if (*gc.data.data == found)
+					n++;
+				else if (*gc.data.data == start)
+					n--;
+			}
+		} while (n != 0);
+
+		/* Move the cursor to the found location if any. */
+		if (!failed)
+			window_copy_scroll_to(wme, px, py, 0);
+	}
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_matching_bracket(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = data->backing;
+	char				 open[] = "{[(", close[] = "}])";
+	char				 tried, found, end, *cp;
+	u_int				 px, py, xx, yy, sx, sy, n;
+	struct grid_cell		 gc;
+	int				 failed;
+	struct grid_line		*gl;
+
+	for (; np != 0; np--) {
+		/* Get cursor position and line length. */
+		px = data->cx;
+		py = screen_hsize(s) + data->cy - data->oy;
+		xx = window_copy_find_length(wme, py);
+		yy = screen_hsize(s) + screen_size_y(s) - 1;
+		if (xx == 0)
+			break;
+
+		/*
+		 * Get the current character. If not on a bracket, try the
+		 * next. If still not, then behave like next-word.
+		 */
+		tried = 0;
+	retry:
+		grid_get_cell(s->grid, px, py, &gc);
+		if (gc.data.size != 1 || (gc.flags & GRID_FLAG_PADDING))
+			cp = NULL;
+		else {
+			found = *gc.data.data;
+
+			/*
+			 * In vi mode, attempt to move to previous bracket if a
+			 * closing bracket is found first. If this fails,
+			 * return to the original cursor position.
+			 */
+			cp = strchr(close, found);
+			if (cp != NULL && data->modekeys == MODEKEY_VI) {
+				sx = data->cx;
+				sy = screen_hsize(s) + data->cy - data->oy;
+
+				window_copy_scroll_to(wme, px, py, 0);
+				window_copy_cmd_previous_matching_bracket(cs);
+
+				px = data->cx;
+				py = screen_hsize(s) + data->cy - data->oy;
+				grid_get_cell(s->grid, px, py, &gc);
+				if (gc.data.size == 1 &&
+				    (~gc.flags & GRID_FLAG_PADDING) &&
+				    strchr(close, *gc.data.data) != NULL)
+					window_copy_scroll_to(wme, sx, sy, 0);
+				break;
+			}
+
+			cp = strchr(open, found);
+		}
+		if (cp == NULL) {
+			if (data->modekeys == MODEKEY_EMACS) {
+				if (!tried && px <= xx) {
+					px++;
+					tried = 1;
+					goto retry;
+				}
+				window_copy_cursor_next_word_end(wme, open, 0);
+				continue;
+			}
+			/* For vi, continue searching for bracket until EOL. */
+			if (px > xx) {
+				if (py == yy)
+					continue;
+				gl = grid_get_line(s->grid, py);
+				if (~gl->flags & GRID_LINE_WRAPPED)
+					continue;
+				if (gl->cellsize > s->grid->sx)
+					continue;
+				px = 0;
+				py++;
+				xx = window_copy_find_length(wme, py);
+			} else
+				px++;
+			goto retry;
+		}
+		end = close[cp - open];
+
+		/* Walk forward until the matching bracket is reached. */
+		n = 1;
+		failed = 0;
+		do {
+			if (px > xx) {
+				if (py == yy) {
+					failed = 1;
+					break;
+				}
+				px = 0;
+				py++;
+				xx = window_copy_find_length(wme, py);
+			} else
+				px++;
+
+			grid_get_cell(s->grid, px, py, &gc);
+			if (gc.data.size == 1 &&
+			    (~gc.flags & GRID_FLAG_PADDING)) {
+				if (*gc.data.data == found)
+					n++;
+				else if (*gc.data.data == end)
+					n--;
+			}
+		} while (n != 0);
+
+		/* Move the cursor to the found location if any. */
+		if (!failed)
+			window_copy_scroll_to(wme, px, py, 0);
+	}
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_paragraph(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_next_paragraph(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_space(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_next_word(wme, "");
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_space_end(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_next_word_end(wme, "", 0);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_word(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	const char			*separators;
+
+	separators = options_get_string(cs->s->options, "word-separators");
+
+	for (; np != 0; np--)
+		window_copy_cursor_next_word(wme, separators);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_next_word_end(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	const char			*separators;
+
+	separators = options_get_string(cs->s->options, "word-separators");
+
+	for (; np != 0; np--)
+		window_copy_cursor_next_word_end(wme, separators, 0);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_other_end(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->selflag = SEL_CHAR;
+	if ((np % 2) != 0)
+		window_copy_other_end(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_page_down(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--) {
+		if (window_copy_pagedown(wme, 0, data->scroll_exit))
+			return (WINDOW_COPY_CMD_CANCEL);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_page_down_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--) {
+		if (window_copy_pagedown(wme, 0, 1))
+			return (WINDOW_COPY_CMD_CANCEL);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_page_up(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_pageup1(wme, 0);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_previous_paragraph(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_previous_paragraph(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_previous_space(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_previous_word(wme, "", 1);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_previous_word(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+	const char			*separators;
+
+	separators = options_get_string(cs->s->options, "word-separators");
+
+	for (; np != 0; np--)
+		window_copy_cursor_previous_word(wme, separators, 1);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_rectangle_on(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->lineflag = LINE_SEL_NONE;
+	window_copy_rectangle_set(wme, 1);
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_rectangle_off(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->lineflag = LINE_SEL_NONE;
+	window_copy_rectangle_set(wme, 0);
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_rectangle_toggle(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->lineflag = LINE_SEL_NONE;
+	window_copy_rectangle_set(wme, !data->rectflag);
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_scroll_down(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_down(wme, 1);
+	if (data->scroll_exit && data->oy == 0)
+		return (WINDOW_COPY_CMD_CANCEL);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_scroll_down_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_down(wme, 1);
+	if (data->oy == 0)
+		return (WINDOW_COPY_CMD_CANCEL);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_scroll_up(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	u_int				 np = wme->prefix;
+
+	for (; np != 0; np--)
+		window_copy_cursor_up(wme, 1);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_again(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (data->searchtype == WINDOW_COPY_SEARCHUP) {
+		for (; np != 0; np--)
+			window_copy_search_up(wme, data->searchregex);
+	} else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
+		for (; np != 0; np--)
+			window_copy_search_down(wme, data->searchregex);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_reverse(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (data->searchtype == WINDOW_COPY_SEARCHUP) {
+		for (; np != 0; np--)
+			window_copy_search_down(wme, data->searchregex);
+	} else if (data->searchtype == WINDOW_COPY_SEARCHDOWN) {
+		for (; np != 0; np--)
+			window_copy_search_up(wme, data->searchregex);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_select_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	data->lineflag = LINE_SEL_LEFT_RIGHT;
+	data->rectflag = 0;
+	data->selflag = SEL_LINE;
+	data->dx = data->cx;
+	data->dy = screen_hsize(data->backing) + data->cy - data->oy;
+
+	window_copy_cursor_start_of_line(wme);
+	data->selrx = data->cx;
+	data->selry = screen_hsize(data->backing) + data->cy - data->oy;
+	data->endselry = data->selry;
+	window_copy_start_selection(wme);
+	window_copy_cursor_end_of_line(wme);
+	data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
+	data->endselrx = window_copy_find_length(wme, data->endselry);
+	for (; np > 1; np--) {
+		window_copy_cursor_down(wme, 0);
+		window_copy_cursor_end_of_line(wme);
+	}
+
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_select_word(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct options			*session_options = cs->s->options;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 px, py, nextx, nexty;
+
+	data->lineflag = LINE_SEL_LEFT_RIGHT;
+	data->rectflag = 0;
+	data->selflag = SEL_WORD;
+	data->dx = data->cx;
+	data->dy = screen_hsize(data->backing) + data->cy - data->oy;
+
+	data->separators = options_get_string(session_options,
+	    "word-separators");
+	window_copy_cursor_previous_word(wme, data->separators, 0);
+	px = data->cx;
+	py = screen_hsize(data->backing) + data->cy - data->oy;
+	data->selrx = px;
+	data->selry = py;
+	window_copy_start_selection(wme);
+
+	/* Handle single character words. */
+	nextx = px + 1;
+	nexty = py;
+	if (grid_get_line(data->backing->grid, nexty)->flags &
+	    GRID_LINE_WRAPPED && nextx > screen_size_x(data->backing) - 1) {
+		nextx = 0;
+		nexty++;
+	}
+	if (px >= window_copy_find_length(wme, py) ||
+	    !window_copy_in_set(wme, nextx, nexty, WHITESPACE))
+		window_copy_cursor_next_word_end(wme, data->separators, 1);
+	else {
+		window_copy_update_cursor(wme, px, data->cy);
+		if (window_copy_update_selection(wme, 1, 1))
+			window_copy_redraw_lines(wme, data->cy, 1);
+	}
+	data->endselrx = data->cx;
+	data->endselry = screen_hsize(data->backing) + data->cy - data->oy;
+	if (data->dy > data->endselry) {
+		data->dy = data->endselry;
+		data->dx = data->endselrx;
+	} else if (data->dx > data->endselrx)
+		data->dx = data->endselrx;
+
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_set_mark(struct window_copy_cmd_state *cs)
+{
+	struct window_copy_mode_data	*data = cs->wme->data;
+
+	data->mx = data->cx;
+	data->my = screen_hsize(data->backing) + data->cy - data->oy;
+	data->showmark = 1;
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_start_of_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cursor_start_of_line(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_top_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->cx = 0;
+	data->cy = 0;
+
+	window_copy_update_selection(wme, 1, 0);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_no_clear(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct client			*c = cs->c;
+	struct session			*s = cs->s;
+	struct winlink			*wl = cs->wl;
+	struct window_pane		*wp = wme->wp;
+	char				*command = NULL, *prefix = NULL;
+	const char			*arg1 = args_string(cs->args, 1);
+	const char			*arg2 = args_string(cs->args, 2);
+
+	if (arg2 != NULL)
+		prefix = format_single(NULL, arg2, c, s, wl, wp);
+
+	if (s != NULL && arg1 != NULL && *arg1 != '\0')
+		command = format_single(NULL, arg1, c, s, wl, wp);
+	window_copy_copy_pipe(wme, s, prefix, command);
+	free(command);
+
+	free(prefix);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_copy_pipe_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_copy_pipe_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_copy_pipe_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_CANCEL);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_pipe_no_clear(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct client			*c = cs->c;
+	struct session			*s = cs->s;
+	struct winlink			*wl = cs->wl;
+	struct window_pane		*wp = wme->wp;
+	char				*command = NULL;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (s != NULL && arg1 != NULL && *arg1 != '\0')
+		command = format_single(NULL, arg1, c, s, wl, wp);
+	window_copy_pipe(wme, s, command);
+	free(command);
+
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_pipe(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_pipe_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_pipe_and_cancel(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_cmd_pipe_no_clear(cs);
+	window_copy_clear_selection(wme);
+	return (WINDOW_COPY_CMD_CANCEL);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_goto_line(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (*arg1 != '\0')
+		window_copy_goto_line(wme, arg1);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_backward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (*arg1 != '\0') {
+		data->jumptype = WINDOW_COPY_JUMPBACKWARD;
+		free(data->jumpchar);
+		data->jumpchar = utf8_fromcstr(arg1);
+		for (; np != 0; np--)
+			window_copy_cursor_jump_back(wme);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_forward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (*arg1 != '\0') {
+		data->jumptype = WINDOW_COPY_JUMPFORWARD;
+		free(data->jumpchar);
+		data->jumpchar = utf8_fromcstr(arg1);
+		for (; np != 0; np--)
+			window_copy_cursor_jump(wme);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_to_backward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (*arg1 != '\0') {
+		data->jumptype = WINDOW_COPY_JUMPTOBACKWARD;
+		free(data->jumpchar);
+		data->jumpchar = utf8_fromcstr(arg1);
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to_back(wme);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_to_forward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+	const char			*arg1 = args_string(cs->args, 1);
+
+	if (*arg1 != '\0') {
+		data->jumptype = WINDOW_COPY_JUMPTOFORWARD;
+		free(data->jumpchar);
+		data->jumpchar = utf8_fromcstr(arg1);
+		for (; np != 0; np--)
+			window_copy_cursor_jump_to(wme);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_jump_to_mark(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+
+	window_copy_jump_to_mark(wme);
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_backward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (!window_copy_expand_search_string(cs))
+		return (WINDOW_COPY_CMD_NOTHING);
+
+	if (data->searchstr != NULL) {
+		data->searchtype = WINDOW_COPY_SEARCHUP;
+		data->searchregex = 1;
+		data->timeout = 0;
+		for (; np != 0; np--)
+			window_copy_search_up(wme, 1);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_backward_text(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (!window_copy_expand_search_string(cs))
+		return (WINDOW_COPY_CMD_NOTHING);
+
+	if (data->searchstr != NULL) {
+		data->searchtype = WINDOW_COPY_SEARCHUP;
+		data->searchregex = 0;
+		data->timeout = 0;
+		for (; np != 0; np--)
+			window_copy_search_up(wme, 0);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_forward(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (!window_copy_expand_search_string(cs))
+		return (WINDOW_COPY_CMD_NOTHING);
+
+	if (data->searchstr != NULL) {
+		data->searchtype = WINDOW_COPY_SEARCHDOWN;
+		data->searchregex = 1;
+		data->timeout = 0;
+		for (; np != 0; np--)
+			window_copy_search_down(wme, 1);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_forward_text(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 np = wme->prefix;
+
+	if (!window_copy_expand_search_string(cs))
+		return (WINDOW_COPY_CMD_NOTHING);
+
+	if (data->searchstr != NULL) {
+		data->searchtype = WINDOW_COPY_SEARCHDOWN;
+		data->searchregex = 0;
+		data->timeout = 0;
+		for (; np != 0; np--)
+			window_copy_search_down(wme, 0);
+	}
+	return (WINDOW_COPY_CMD_NOTHING);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_backward_incremental(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	const char			*arg1 = args_string(cs->args, 1);
+	const char			*ss = data->searchstr;
+	char				 prefix;
+	enum window_copy_cmd_action	 action = WINDOW_COPY_CMD_NOTHING;
+
+	data->timeout = 0;
+
+	log_debug("%s: %s", __func__, arg1);
+
+	prefix = *arg1++;
+	if (data->searchx == -1 || data->searchy == -1) {
+		data->searchx = data->cx;
+		data->searchy = data->cy;
+		data->searcho = data->oy;
+	} else if (ss != NULL && strcmp(arg1, ss) != 0) {
+		data->cx = data->searchx;
+		data->cy = data->searchy;
+		data->oy = data->searcho;
+		action = WINDOW_COPY_CMD_REDRAW;
+	}
+	if (*arg1 == '\0') {
+		window_copy_clear_marks(wme);
+		return (WINDOW_COPY_CMD_REDRAW);
+	}
+	switch (prefix) {
+	case '=':
+	case '-':
+		data->searchtype = WINDOW_COPY_SEARCHUP;
+		data->searchregex = 0;
+		free(data->searchstr);
+		data->searchstr = xstrdup(arg1);
+		if (!window_copy_search_up(wme, 0)) {
+			window_copy_clear_marks(wme);
+			return (WINDOW_COPY_CMD_REDRAW);
+		}
+		break;
+	case '+':
+		data->searchtype = WINDOW_COPY_SEARCHDOWN;
+		data->searchregex = 0;
+		free(data->searchstr);
+		data->searchstr = xstrdup(arg1);
+		if (!window_copy_search_down(wme, 0)) {
+			window_copy_clear_marks(wme);
+			return (WINDOW_COPY_CMD_REDRAW);
+		}
+		break;
+	}
+	return (action);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_search_forward_incremental(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_copy_mode_data	*data = wme->data;
+	const char			*arg1 = args_string(cs->args, 1);
+	const char			*ss = data->searchstr;
+	char				 prefix;
+	enum window_copy_cmd_action	 action = WINDOW_COPY_CMD_NOTHING;
+
+	data->timeout = 0;
+
+	log_debug("%s: %s", __func__, arg1);
+
+	prefix = *arg1++;
+	if (data->searchx == -1 || data->searchy == -1) {
+		data->searchx = data->cx;
+		data->searchy = data->cy;
+		data->searcho = data->oy;
+	} else if (ss != NULL && strcmp(arg1, ss) != 0) {
+		data->cx = data->searchx;
+		data->cy = data->searchy;
+		data->oy = data->searcho;
+		action = WINDOW_COPY_CMD_REDRAW;
+	}
+	if (*arg1 == '\0') {
+		window_copy_clear_marks(wme);
+		return (WINDOW_COPY_CMD_REDRAW);
+	}
+	switch (prefix) {
+	case '=':
+	case '+':
+		data->searchtype = WINDOW_COPY_SEARCHDOWN;
+		data->searchregex = 0;
+		free(data->searchstr);
+		data->searchstr = xstrdup(arg1);
+		if (!window_copy_search_down(wme, 0)) {
+			window_copy_clear_marks(wme);
+			return (WINDOW_COPY_CMD_REDRAW);
+		}
+		break;
+	case '-':
+		data->searchtype = WINDOW_COPY_SEARCHUP;
+		data->searchregex = 0;
+		free(data->searchstr);
+		data->searchstr = xstrdup(arg1);
+		if (!window_copy_search_up(wme, 0)) {
+			window_copy_clear_marks(wme);
+			return (WINDOW_COPY_CMD_REDRAW);
+		}
+	}
+	return (action);
+}
+
+static enum window_copy_cmd_action
+window_copy_cmd_refresh_from_pane(struct window_copy_cmd_state *cs)
+{
+	struct window_mode_entry	*wme = cs->wme;
+	struct window_pane		*wp = wme->swp;
+	struct window_copy_mode_data	*data = wme->data;
+
+	if (data->viewmode)
+		return (WINDOW_COPY_CMD_NOTHING);
+
+	screen_free(data->backing);
+	free(data->backing);
+	data->backing = window_copy_clone_screen(&wp->base, &data->screen, NULL,   NULL, wme->swp != wme->wp);
+
+	window_copy_size_changed(wme);
+	return (WINDOW_COPY_CMD_REDRAW);
+}
+
+static const struct {
+	const char			 *command;
+	u_int				  minargs;
+	u_int				  maxargs;
+	enum window_copy_cmd_clear	  clear;
+	enum window_copy_cmd_action	(*f)(struct window_copy_cmd_state *);
+} window_copy_cmd_table[] = {
+	{ .command = "append-selection",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_append_selection
+	},
+	{ .command = "append-selection-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_append_selection_and_cancel
+	},
+	{ .command = "back-to-indentation",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_back_to_indentation
+	},
+	{ .command = "begin-selection",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_begin_selection
+	},
+	{ .command = "bottom-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_bottom_line
+	},
+	{ .command = "cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_cancel
+	},
+	{ .command = "clear-selection",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_clear_selection
+	},
+	{ .command = "copy-end-of-line",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_end_of_line
+	},
+	{ .command = "copy-end-of-line-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_end_of_line_and_cancel
+	},
+	{ .command = "copy-pipe-end-of-line",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe_end_of_line
+	},
+	{ .command = "copy-pipe-end-of-line-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe_end_of_line_and_cancel
+	},
+	{ .command = "copy-line",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_line
+	},
+	{ .command = "copy-line-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_line_and_cancel
+	},
+	{ .command = "copy-pipe-line",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe_line
+	},
+	{ .command = "copy-pipe-line-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe_line_and_cancel
+	},
+	{ .command = "copy-pipe-no-clear",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
+	  .f = window_copy_cmd_copy_pipe_no_clear
+	},
+	{ .command = "copy-pipe",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe
+	},
+	{ .command = "copy-pipe-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 2,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_pipe_and_cancel
+	},
+	{ .command = "copy-selection-no-clear",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
+	  .f = window_copy_cmd_copy_selection_no_clear
+	},
+	{ .command = "copy-selection",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_selection
+	},
+	{ .command = "copy-selection-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_copy_selection_and_cancel
+	},
+	{ .command = "cursor-down",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_cursor_down
+	},
+	{ .command = "cursor-down-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_cursor_down_and_cancel
+	},
+	{ .command = "cursor-left",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_cursor_left
+	},
+	{ .command = "cursor-right",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_cursor_right
+	},
+	{ .command = "cursor-up",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_cursor_up
+	},
+	{ .command = "end-of-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_end_of_line
+	},
+	{ .command = "goto-line",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_goto_line
+	},
+	{ .command = "halfpage-down",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_halfpage_down
+	},
+	{ .command = "halfpage-down-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_halfpage_down_and_cancel
+	},
+	{ .command = "halfpage-up",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_halfpage_up
+	},
+	{ .command = "history-bottom",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_history_bottom
+	},
+	{ .command = "history-top",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_history_top
+	},
+	{ .command = "jump-again",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_again
+	},
+	{ .command = "jump-backward",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_backward
+	},
+	{ .command = "jump-forward",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_forward
+	},
+	{ .command = "jump-reverse",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_reverse
+	},
+	{ .command = "jump-to-backward",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_to_backward
+	},
+	{ .command = "jump-to-forward",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_jump_to_forward
+	},
+	{ .command = "jump-to-mark",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_jump_to_mark
+	},
+	{ .command = "middle-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_middle_line
+	},
+	{ .command = "next-matching-bracket",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_next_matching_bracket
+	},
+	{ .command = "next-paragraph",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_next_paragraph
+	},
+	{ .command = "next-space",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_next_space
+	},
+	{ .command = "next-space-end",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_next_space_end
+	},
+	{ .command = "next-word",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_next_word
+	},
+	{ .command = "next-word-end",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_next_word_end
+	},
+	{ .command = "other-end",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_other_end
+	},
+	{ .command = "page-down",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_page_down
+	},
+	{ .command = "page-down-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_page_down_and_cancel
+	},
+	{ .command = "page-up",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_page_up
+	},
+	{ .command = "pipe-no-clear",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
+	  .f = window_copy_cmd_pipe_no_clear
+	},
+	{ .command = "pipe",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_pipe
+	},
+	{ .command = "pipe-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_pipe_and_cancel
+	},
+	{ .command = "previous-matching-bracket",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_previous_matching_bracket
+	},
+	{ .command = "previous-paragraph",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_previous_paragraph
+	},
+	{ .command = "previous-space",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_previous_space
+	},
+	{ .command = "previous-word",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_previous_word
+	},
+	{ .command = "rectangle-on",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_rectangle_on
+	},
+	{ .command = "rectangle-off",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_rectangle_off
+	},
+	{ .command = "rectangle-toggle",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_rectangle_toggle
+	},
+	{ .command = "refresh-from-pane",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_refresh_from_pane
+	},
+	{ .command = "scroll-down",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_scroll_down
+	},
+	{ .command = "scroll-down-and-cancel",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_scroll_down_and_cancel
+	},
+	{ .command = "scroll-up",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_scroll_up
+	},
+	{ .command = "search-again",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_again
+	},
+	{ .command = "search-backward",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_backward
+	},
+	{ .command = "search-backward-text",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_backward_text
+	},
+	{ .command = "search-backward-incremental",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_backward_incremental
+	},
+	{ .command = "search-forward",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_forward
+	},
+	{ .command = "search-forward-text",
+	  .minargs = 0,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_forward_text
+	},
+	{ .command = "search-forward-incremental",
+	  .minargs = 1,
+	  .maxargs = 1,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_forward_incremental
+	},
+	{ .command = "search-reverse",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_search_reverse
+	},
+	{ .command = "select-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_select_line
+	},
+	{ .command = "select-word",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_select_word
+	},
+	{ .command = "set-mark",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_set_mark
+	},
+	{ .command = "start-of-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_start_of_line
+	},
+	{ .command = "stop-selection",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS,
+	  .f = window_copy_cmd_stop_selection
+	},
+	{ .command = "toggle-position",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_NEVER,
+	  .f = window_copy_cmd_toggle_position
+	},
+	{ .command = "top-line",
+	  .minargs = 0,
+	  .maxargs = 0,
+	  .clear = WINDOW_COPY_CMD_CLEAR_EMACS_ONLY,
+	  .f = window_copy_cmd_top_line
+	}
+};
+
+static void
+window_copy_command(struct window_mode_entry *wme, struct client *c,
+    struct session *s, struct winlink *wl, struct args *args,
+    struct mouse_event *m)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct window_copy_cmd_state	 cs;
+	enum window_copy_cmd_action	 action;
+	enum window_copy_cmd_clear	 clear = WINDOW_COPY_CMD_CLEAR_NEVER;
+	const char			*command;
+	u_int				 i, count = args_count(args);
+	int				 keys;
+
+	if (count == 0)
+		return;
+	command = args_string(args, 0);
+
+	if (m != NULL && m->valid && !MOUSE_WHEEL(m->b))
+		window_copy_move_mouse(m);
+
+	cs.wme = wme;
+	cs.args = args;
+	cs.m = m;
+
+	cs.c = c;
+	cs.s = s;
+	cs.wl = wl;
+
+	action = WINDOW_COPY_CMD_NOTHING;
+	for (i = 0; i < nitems(window_copy_cmd_table); i++) {
+		if (strcmp(window_copy_cmd_table[i].command, command) == 0) {
+			if (count - 1 < window_copy_cmd_table[i].minargs ||
+			    count - 1 > window_copy_cmd_table[i].maxargs)
+				break;
+			clear = window_copy_cmd_table[i].clear;
+			action = window_copy_cmd_table[i].f(&cs);
+			break;
+		}
+	}
+
+	if (strncmp(command, "search-", 7) != 0 && data->searchmark != NULL) {
+		keys = options_get_number(wme->wp->window->options, "mode-keys");
+		if (clear == WINDOW_COPY_CMD_CLEAR_EMACS_ONLY &&
+		    keys == MODEKEY_VI)
+			clear = WINDOW_COPY_CMD_CLEAR_NEVER;
+		if (clear != WINDOW_COPY_CMD_CLEAR_NEVER) {
+			window_copy_clear_marks(wme);
+			data->searchx = data->searchy = -1;
+		}
+		if (action == WINDOW_COPY_CMD_NOTHING)
+			action = WINDOW_COPY_CMD_REDRAW;
+	}
+	wme->prefix = 1;
+
+	if (action == WINDOW_COPY_CMD_CANCEL)
+		window_pane_reset_mode(wme->wp);
+	else if (action == WINDOW_COPY_CMD_REDRAW)
+		window_copy_redraw_screen(wme);
+}
+
+static void
+window_copy_scroll_to(struct window_mode_entry *wme, u_int px, u_int py,
+    int no_redraw)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->backing->grid;
+	u_int				 offset, gap;
+
+	data->cx = px;
+
+	if (py >= gd->hsize - data->oy && py < gd->hsize - data->oy + gd->sy)
+		data->cy = py - (gd->hsize - data->oy);
+	else {
+		gap = gd->sy / 4;
+		if (py < gd->sy) {
+			offset = 0;
+			data->cy = py;
+		} else if (py > gd->hsize + gd->sy - gap) {
+			offset = gd->hsize;
+			data->cy = py - gd->hsize;
+		} else {
+			offset = py + gap - gd->sy;
+			data->cy = py - offset;
+		}
+		data->oy = gd->hsize - offset;
+	}
+
+	if (!no_redraw && data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 1, 0);
+	if (!no_redraw)
+		window_copy_redraw_screen(wme);
+}
+
+static int
+window_copy_search_compare(struct grid *gd, u_int px, u_int py,
+    struct grid *sgd, u_int spx, int cis)
+{
+	struct grid_cell	 gc, sgc;
+	const struct utf8_data	*ud, *sud;
+
+	grid_get_cell(gd, px, py, &gc);
+	ud = &gc.data;
+	grid_get_cell(sgd, spx, 0, &sgc);
+	sud = &sgc.data;
+
+	if (ud->size != sud->size || ud->width != sud->width)
+		return (0);
+
+	if (cis && ud->size == 1)
+		return (tolower(ud->data[0]) == sud->data[0]);
+
+	return (memcmp(ud->data, sud->data, ud->size) == 0);
+}
+
+static int
+window_copy_search_lr(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py,
+    u_int first, u_int last, int cis)
+{
+	u_int			 ax, bx, px, pywrap, endline;
+	int			 matched;
+	struct grid_line	*gl;
+
+	endline = gd->hsize + gd->sy - 1;
+	for (ax = first; ax < last; ax++) {
+		for (bx = 0; bx < sgd->sx; bx++) {
+			px = ax + bx;
+			pywrap = py;
+			/* Wrap line. */
+			while (px >= gd->sx && pywrap < endline) {
+				gl = grid_get_line(gd, pywrap);
+				if (~gl->flags & GRID_LINE_WRAPPED)
+					break;
+				px -= gd->sx;
+				pywrap++;
+			}
+			/* We have run off the end of the grid. */
+			if (px >= gd->sx)
+				break;
+			matched = window_copy_search_compare(gd, px, pywrap,
+			    sgd, bx, cis);
+			if (!matched)
+				break;
+		}
+		if (bx == sgd->sx) {
+			*ppx = ax;
+			return (1);
+		}
+	}
+	return (0);
+}
+
+static int
+window_copy_search_rl(struct grid *gd,
+    struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
+{
+	u_int			 ax, bx, px, pywrap, endline;
+	int			 matched;
+	struct grid_line	*gl;
+
+	endline = gd->hsize + gd->sy - 1;
+	for (ax = last; ax > first; ax--) {
+		for (bx = 0; bx < sgd->sx; bx++) {
+			px = ax - 1 + bx;
+			pywrap = py;
+			/* Wrap line. */
+			while (px >= gd->sx && pywrap < endline) {
+				gl = grid_get_line(gd, pywrap);
+				if (~gl->flags & GRID_LINE_WRAPPED)
+					break;
+				px -= gd->sx;
+				pywrap++;
+			}
+			/* We have run off the end of the grid. */
+			if (px >= gd->sx)
+				break;
+			matched = window_copy_search_compare(gd, px, pywrap,
+			    sgd, bx, cis);
+			if (!matched)
+				break;
+		}
+		if (bx == sgd->sx) {
+			*ppx = ax - 1;
+			return (1);
+		}
+	}
+	return (0);
+}
+
+static int
+window_copy_search_lr_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
+    u_int first, u_int last, regex_t *reg)
+{
+	int			eflags = 0;
+	u_int			endline, foundx, foundy, len, pywrap, size = 1;
+	char		       *buf;
+	regmatch_t		regmatch;
+	struct grid_line       *gl;
+
+	/*
+	 * This can happen during search if the last match was the last
+	 * character on a line.
+	 */
+	if (first >= last)
+		return (0);
+
+	/* Set flags for regex search. */
+	if (first != 0)
+		eflags |= REG_NOTBOL;
+
+	/* Need to look at the entire string. */
+	buf = xmalloc(size);
+	buf[0] = '\0';
+	buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
+	len = gd->sx - first;
+	endline = gd->hsize + gd->sy - 1;
+	pywrap = py;
+	while (buf != NULL && pywrap <= endline) {
+		gl = grid_get_line(gd, pywrap);
+		if (~gl->flags & GRID_LINE_WRAPPED)
+			break;
+		pywrap++;
+		buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
+		len += gd->sx;
+	}
+
+	if (regexec(reg, buf, 1, &regmatch, eflags) == 0 &&
+	    regmatch.rm_so != regmatch.rm_eo) {
+		foundx = first;
+		foundy = py;
+		window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
+		    buf + regmatch.rm_so);
+		if (foundy == py && foundx < last) {
+			*ppx = foundx;
+			len -= foundx - first;
+			window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
+			    buf + regmatch.rm_eo);
+			*psx = foundx;
+			while (foundy > py) {
+				*psx += gd->sx;
+				foundy--;
+			}
+			*psx -= *ppx;
+			free(buf);
+			return (1);
+		}
+	}
+
+	free(buf);
+	*ppx = 0;
+	*psx = 0;
+	return (0);
+}
+
+static int
+window_copy_search_rl_regex(struct grid *gd, u_int *ppx, u_int *psx, u_int py,
+    u_int first, u_int last, regex_t *reg)
+{
+	int			eflags = 0;
+	u_int			endline, len, pywrap, size = 1;
+	char		       *buf;
+	struct grid_line       *gl;
+
+	/* Set flags for regex search. */
+	if (first != 0)
+		eflags |= REG_NOTBOL;
+
+	/* Need to look at the entire string. */
+	buf = xmalloc(size);
+	buf[0] = '\0';
+	buf = window_copy_stringify(gd, py, first, gd->sx, buf, &size);
+	len = gd->sx - first;
+	endline = gd->hsize + gd->sy - 1;
+	pywrap = py;
+	while (buf != NULL && (pywrap <= endline)) {
+		gl = grid_get_line(gd, pywrap);
+		if (~gl->flags & GRID_LINE_WRAPPED)
+			break;
+		pywrap++;
+		buf = window_copy_stringify(gd, pywrap, 0, gd->sx, buf, &size);
+		len += gd->sx;
+	}
+
+	if (window_copy_last_regex(gd, py, first, last, len, ppx, psx, buf,
+	    reg, eflags))
+	{
+		free(buf);
+		return (1);
+	}
+
+	free(buf);
+	*ppx = 0;
+	*psx = 0;
+	return (0);
+}
+
+static const char *
+window_copy_cellstring(const struct grid_line *gl, u_int px, size_t *size,
+    int *allocated)
+{
+	static struct utf8_data	 ud;
+	struct grid_cell_entry	*gce;
+	char			*copy;
+
+	if (px >= gl->cellsize) {
+		*size = 1;
+		*allocated = 0;
+		return (" ");
+	}
+
+	gce = &gl->celldata[px];
+	if (gce->flags & GRID_FLAG_PADDING) {
+		*size = 0;
+		*allocated = 0;
+		return (NULL);
+	}
+	if (~gce->flags & GRID_FLAG_EXTENDED) {
+		*size = 1;
+		*allocated = 0;
+		return (&gce->data.data);
+	}
+
+	utf8_to_data(gl->extddata[gce->offset].data, &ud);
+	if (ud.size == 0) {
+		*size = 0;
+		*allocated = 0;
+		return (NULL);
+	}
+	*size = ud.size;
+	*allocated = 1;
+
+	copy = xmalloc(ud.size);
+	memcpy(copy, ud.data, ud.size);
+	return (copy);
+}
+
+/* Find last match in given range. */
+static int
+window_copy_last_regex(struct grid *gd, u_int py, u_int first, u_int last,
+    u_int len, u_int *ppx, u_int *psx, const char *buf, const regex_t *preg,
+    int eflags)
+{
+	u_int		foundx, foundy, oldx, px = 0, savepx, savesx = 0;
+	regmatch_t	regmatch;
+
+	foundx = first;
+	foundy = py;
+	oldx = first;
+	while (regexec(preg, buf + px, 1, &regmatch, eflags) == 0) {
+		if (regmatch.rm_so == regmatch.rm_eo)
+			break;
+		window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
+		    buf + px + regmatch.rm_so);
+		if (foundy > py || foundx >= last)
+			break;
+		len -= foundx - oldx;
+		savepx = foundx;
+		window_copy_cstrtocellpos(gd, len, &foundx, &foundy,
+		    buf + px + regmatch.rm_eo);
+		if (foundy > py || foundx >= last) {
+			*ppx = savepx;
+			*psx = foundx;
+			while (foundy > py) {
+				*psx += gd->sx;
+				foundy--;
+			}
+			*psx -= *ppx;
+			return (1);
+		} else {
+			savesx = foundx - savepx;
+			len -= savesx;
+			oldx = foundx;
+		}
+		px += regmatch.rm_eo;
+	}
+
+	if (savesx > 0) {
+		*ppx = savepx;
+		*psx = savesx;
+		return (1);
+	} else {
+		*ppx = 0;
+		*psx = 0;
+		return (0);
+	}
+}
+
+/* Stringify line and append to input buffer. Caller frees. */
+static char *
+window_copy_stringify(struct grid *gd, u_int py, u_int first, u_int last,
+    char *buf, u_int *size)
+{
+	u_int			 ax, bx, newsize = *size;
+	const struct grid_line	*gl;
+	const char		*d;
+	size_t			 bufsize = 1024, dlen;
+	int			 allocated;
+
+	while (bufsize < newsize)
+		bufsize *= 2;
+	buf = xrealloc(buf, bufsize);
+
+	gl = grid_peek_line(gd, py);
+	bx = *size - 1;
+	for (ax = first; ax < last; ax++) {
+		d = window_copy_cellstring(gl, ax, &dlen, &allocated);
+		newsize += dlen;
+		while (bufsize < newsize) {
+			bufsize *= 2;
+			buf = xrealloc(buf, bufsize);
+		}
+		if (dlen == 1)
+			buf[bx++] = *d;
+		else {
+			memcpy(buf + bx, d, dlen);
+			bx += dlen;
+		}
+		if (allocated)
+			free((void *)d);
+	}
+	buf[newsize - 1] = '\0';
+
+	*size = newsize;
+	return (buf);
+}
+
+/* Map start of C string containing UTF-8 data to grid cell position. */
+static void
+window_copy_cstrtocellpos(struct grid *gd, u_int ncells, u_int *ppx, u_int *ppy,
+    const char *str)
+{
+	u_int			 cell, ccell, px, pywrap, pos, len;
+	int			 match;
+	const struct grid_line	*gl;
+	const char		*d;
+	size_t			 dlen;
+	struct {
+		const char	*d;
+		size_t		 dlen;
+		int		 allocated;
+	} *cells;
+
+	/* Populate the array of cell data. */
+	cells = xreallocarray(NULL, ncells, sizeof cells[0]);
+	cell = 0;
+	px = *ppx;
+	pywrap = *ppy;
+	gl = grid_peek_line(gd, pywrap);
+	while (cell < ncells) {
+		cells[cell].d = window_copy_cellstring(gl, px,
+		    &cells[cell].dlen, &cells[cell].allocated);
+		cell++;
+		px++;
+		if (px == gd->sx) {
+			px = 0;
+			pywrap++;
+			gl = grid_peek_line(gd, pywrap);
+		}
+	}
+
+	/* Locate starting cell. */
+	cell = 0;
+	len = strlen(str);
+	while (cell < ncells) {
+		ccell = cell;
+		pos = 0;
+		match = 1;
+		while (ccell < ncells) {
+			if (str[pos] == '\0') {
+				match = 0;
+				break;
+			}
+			d = cells[ccell].d;
+			dlen = cells[ccell].dlen;
+			if (dlen == 1) {
+				if (str[pos] != *d) {
+					match = 0;
+					break;
+				}
+				pos++;
+			} else {
+				if (dlen > len - pos)
+					dlen = len - pos;
+				if (memcmp(str + pos, d, dlen) != 0) {
+					match = 0;
+					break;
+				}
+				pos += dlen;
+			}
+			ccell++;
+		}
+		if (match)
+			break;
+		cell++;
+	}
+
+	/* If not found this will be one past the end. */
+	px = *ppx + cell;
+	pywrap = *ppy;
+	while (px >= gd->sx) {
+		px -= gd->sx;
+		pywrap++;
+	}
+
+	*ppx = px;
+	*ppy = pywrap;
+
+	/* Free cell data. */
+	for (cell = 0; cell < ncells; cell++) {
+		if (cells[cell].allocated)
+			free((void *)cells[cell].d);
+	}
+	free(cells);
+}
+
+static void
+window_copy_move_left(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
+{
+	if (*fx == 0) {	/* left */
+		if (*fy == 0) { /* top */
+			if (wrapflag) {
+				*fx = screen_size_x(s) - 1;
+				*fy = screen_hsize(s) + screen_size_y(s) - 1;
+			}
+			return;
+		}
+		*fx = screen_size_x(s) - 1;
+		*fy = *fy - 1;
+	} else
+		*fx = *fx - 1;
+}
+
+static void
+window_copy_move_right(struct screen *s, u_int *fx, u_int *fy, int wrapflag)
+{
+	if (*fx == screen_size_x(s) - 1) { /* right */
+		if (*fy == screen_hsize(s) + screen_size_y(s) - 1) { /* bottom */
+			if (wrapflag) {
+				*fx = 0;
+				*fy = 0;
+			}
+			return;
+		}
+		*fx = 0;
+		*fy = *fy + 1;
+	} else
+		*fx = *fx + 1;
+}
+
+static int
+window_copy_is_lowercase(const char *ptr)
+{
+	while (*ptr != '\0') {
+		if (*ptr != tolower((u_char)*ptr))
+			return (0);
+		++ptr;
+	}
+	return (1);
+}
+
+/*
+ * Handle backward wrapped regex searches with overlapping matches. In this case
+ * find the longest overlapping match from previous wrapped lines.
+ */
+static void
+window_copy_search_back_overlap(struct grid *gd, regex_t *preg, u_int *ppx,
+    u_int *psx, u_int *ppy, u_int endline)
+{
+	u_int	endx, endy, oldendx, oldendy, px, py, sx;
+	int	found = 1;
+
+	oldendx = *ppx + *psx;
+	oldendy = *ppy - 1;
+	while (oldendx > gd->sx - 1) {
+		oldendx -= gd->sx;
+		oldendy++;
+	}
+	endx = oldendx;
+	endy = oldendy;
+	px = *ppx;
+	py = *ppy;
+	while (found && px == 0 && py - 1 > endline &&
+	       grid_get_line(gd, py - 2)->flags & GRID_LINE_WRAPPED &&
+	       endx == oldendx && endy == oldendy) {
+		py--;
+		found = window_copy_search_rl_regex(gd, &px, &sx, py - 1, 0,
+		    gd->sx, preg);
+		if (found) {
+			endx = px + sx;
+			endy = py - 1;
+			while (endx > gd->sx - 1) {
+				endx -= gd->sx;
+				endy++;
+			}
+			if (endx == oldendx && endy == oldendy) {
+				*ppx = px;
+				*ppy = py;
+			}
+		}
+	}
+}
+
+/*
+ * Search for text stored in sgd starting from position fx,fy up to endline. If
+ * found, jump to it. If cis then ignore case. The direction is 0 for searching
+ * up, down otherwise. If wrap then go to begin/end of grid and try again if
+ * not found.
+ */
+static int
+window_copy_search_jump(struct window_mode_entry *wme, struct grid *gd,
+    struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
+    int direction, int regex)
+{
+	u_int	 i, px, sx, ssize = 1;
+	int	 found = 0, cflags = REG_EXTENDED;
+	char	*sbuf;
+	regex_t	 reg;
+
+	if (regex) {
+		sbuf = xmalloc(ssize);
+		sbuf[0] = '\0';
+		sbuf = window_copy_stringify(sgd, 0, 0, sgd->sx, sbuf, &ssize);
+		if (cis)
+			cflags |= REG_ICASE;
+		if (regcomp(&reg, sbuf, cflags) != 0) {
+			free(sbuf);
+			return (0);
+		}
+		free(sbuf);
+	}
+
+	if (direction) {
+		for (i = fy; i <= endline; i++) {
+			if (regex) {
+				found = window_copy_search_lr_regex(gd,
+				    &px, &sx, i, fx, gd->sx, &reg);
+			} else {
+				found = window_copy_search_lr(gd, sgd,
+				    &px, i, fx, gd->sx, cis);
+			}
+			if (found)
+				break;
+			fx = 0;
+		}
+	} else {
+		for (i = fy + 1; endline < i; i--) {
+			if (regex) {
+				found = window_copy_search_rl_regex(gd,
+				    &px, &sx, i - 1, 0, fx + 1, &reg);
+				if (found) {
+					window_copy_search_back_overlap(gd,
+					    &reg, &px, &sx, &i, endline);
+				}
+			} else {
+				found = window_copy_search_rl(gd, sgd,
+				    &px, i - 1, 0, fx + 1, cis);
+			}
+			if (found) {
+				i--;
+				break;
+			}
+			fx = gd->sx - 1;
+		}
+	}
+	if (regex)
+		regfree(&reg);
+
+	if (found) {
+		window_copy_scroll_to(wme, px, i, 1);
+		return (1);
+	}
+	if (wrap) {
+		return (window_copy_search_jump(wme, gd, sgd,
+		    direction ? 0 : gd->sx - 1,
+		    direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
+		    direction, regex));
+	}
+	return (0);
+}
+
+static void
+window_copy_move_after_search_mark(struct window_copy_mode_data *data,
+    u_int *fx, u_int *fy, int wrapflag)
+{
+	struct screen  *s = data->backing;
+	u_int		at, start;
+
+	if (window_copy_search_mark_at(data, *fx, *fy, &start) == 0 &&
+	    data->searchmark[start] != 0) {
+		while (window_copy_search_mark_at(data, *fx, *fy, &at) == 0) {
+			if (data->searchmark[at] != data->searchmark[start])
+				break;
+			/* Stop if not wrapping and at the end of the grid. */
+			if (!wrapflag &&
+			    *fx == screen_size_x(s) - 1 &&
+			    *fy == screen_hsize(s) + screen_size_y(s) - 1)
+				break;
+
+			window_copy_move_right(s, fx, fy, wrapflag);
+		}
+	}
+}
+
+/*
+ * Search in for text searchstr. If direction is 0 then search up, otherwise
+ * down.
+ */
+static int
+window_copy_search(struct window_mode_entry *wme, int direction, int regex)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = data->backing, ss;
+	struct screen_write_ctx		 ctx;
+	struct grid			*gd = s->grid;
+	const char			*str = data->searchstr;
+	u_int				 at, endline, fx, fy, start;
+	int				 cis, found, keys, visible_only;
+	int				 wrapflag;
+
+	if (regex && str[strcspn(str, "^$*+()?[].\\")] == '\0')
+		regex = 0;
+
+	data->searchdirection = direction;
+
+	if (data->timeout)
+		return (0);
+
+	if (data->searchall || wp->searchstr == NULL ||
+	    wp->searchregex != regex) {
+		visible_only = 0;
+		data->searchall = 0;
+	} else
+		visible_only = (strcmp(wp->searchstr, str) == 0);
+	free(wp->searchstr);
+	wp->searchstr = xstrdup(str);
+	wp->searchregex = regex;
+
+	fx = data->cx;
+	fy = screen_hsize(data->backing) - data->oy + data->cy;
+
+	screen_init(&ss, screen_write_strlen("%s", str), 1, 0);
+	screen_write_start(&ctx, &ss);
+	screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", str);
+	screen_write_stop(&ctx);
+
+	wrapflag = options_get_number(wp->window->options, "wrap-search");
+	cis = window_copy_is_lowercase(str);
+
+	keys = options_get_number(wp->window->options, "mode-keys");
+
+	if (direction) {
+		/*
+		 * Behave according to mode-keys. If it is emacs, search forward
+		 * leaves the cursor after the match. If it is vi, the cursor
+		 * remains at the beginning of the match, regardless of
+		 * direction, which means that we need to start the next search
+		 * after the term the cursor is currently on when searching
+		 * forward.
+		 */
+		if (keys == MODEKEY_VI) {
+			if (data->searchmark != NULL)
+				window_copy_move_after_search_mark(data, &fx,
+				    &fy, wrapflag);
+			else {
+				/*
+				 * When there are no search marks, start the
+				 * search after the current cursor position.
+				 */
+				window_copy_move_right(s, &fx, &fy, wrapflag);
+			}
+		}
+		endline = gd->hsize + gd->sy - 1;
+	}
+	else {
+		window_copy_move_left(s, &fx, &fy, wrapflag);
+		endline = 0;
+	}
+
+	found = window_copy_search_jump(wme, gd, ss.grid, fx, fy, endline, cis,
+	    wrapflag, direction, regex);
+	if (found) {
+		window_copy_search_marks(wme, &ss, regex, visible_only);
+		fx = data->cx;
+		fy = screen_hsize(data->backing) - data->oy + data->cy;
+
+		/*
+		 * When searching forward, if the cursor is not at the beginning
+		 * of the mark, search again.
+		 */
+		if (direction &&
+		    window_copy_search_mark_at(data, fx, fy, &at) == 0 &&
+		    at > 0 &&
+		    data->searchmark[at] == data->searchmark[at - 1]) {
+			window_copy_move_after_search_mark(data, &fx, &fy,
+			    wrapflag);
+			window_copy_search_jump(wme, gd, ss.grid, fx,
+			    fy, endline, cis, wrapflag, direction,
+			    regex);
+			fx = data->cx;
+			fy = screen_hsize(data->backing) - data->oy + data->cy;
+		}
+
+		if (direction) {
+			/*
+			 * When in Emacs mode, position the cursor just after
+			 * the mark.
+			 */
+			if (keys == MODEKEY_EMACS) {
+				window_copy_move_after_search_mark(data, &fx,
+				    &fy, wrapflag);
+				data->cx = fx;
+				data->cy = fy - screen_hsize(data->backing) +
+				    data-> oy;
+			}
+		}
+		else {
+			/*
+			 * When searching backward, position the cursor at the
+			 * beginning of the mark.
+			 */
+			if (window_copy_search_mark_at(data, fx, fy,
+			        &start) == 0) {
+				while (window_copy_search_mark_at(data, fx, fy,
+				           &at) == 0 &&
+				       data->searchmark[at] ==
+				           data->searchmark[start]) {
+					data->cx = fx;
+					data->cy = fy -
+					    screen_hsize(data->backing) +
+					    data-> oy;
+					if (at == 0)
+						break;
+
+					window_copy_move_left(s, &fx, &fy, 0);
+				}
+			}
+		}
+	}
+	window_copy_redraw_screen(wme);
+
+	screen_free(&ss);
+	return (found);
+}
+
+static void
+window_copy_visible_lines(struct window_copy_mode_data *data, u_int *start,
+    u_int *end)
+{
+	struct grid		*gd = data->backing->grid;
+	const struct grid_line	*gl;
+
+	for (*start = gd->hsize - data->oy; *start > 0; (*start)--) {
+		gl = grid_peek_line(gd, (*start) - 1);
+		if (~gl->flags & GRID_LINE_WRAPPED)
+			break;
+	}
+	*end = gd->hsize - data->oy + gd->sy;
+}
+
+static int
+window_copy_search_mark_at(struct window_copy_mode_data *data, u_int px,
+    u_int py, u_int *at)
+{
+	struct screen	*s = data->backing;
+	struct grid	*gd = s->grid;
+
+	if (py < gd->hsize - data->oy)
+		return (-1);
+	if (py > gd->hsize - data->oy + gd->sy - 1)
+		return (-1);
+	*at = ((py - (gd->hsize - data->oy)) * gd->sx) + px;
+	return (0);
+}
+
+static int
+window_copy_search_marks(struct window_mode_entry *wme, struct screen *ssp,
+    int regex, int visible_only)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = data->backing, ss;
+	struct screen_write_ctx		 ctx;
+	struct grid			*gd = s->grid;
+	int				 found, cis, stopped = 0;
+	int				 cflags = REG_EXTENDED;
+	u_int				 px, py, i, b, nfound = 0, width;
+	u_int				 ssize = 1, start, end;
+	char				*sbuf;
+	regex_t				 reg;
+	uint64_t			 stop = 0, tstart, t;
+
+	if (ssp == NULL) {
+		width = screen_write_strlen("%s", data->searchstr);
+		screen_init(&ss, width, 1, 0);
+		screen_write_start(&ctx, &ss);
+		screen_write_nputs(&ctx, -1, &grid_default_cell, "%s",
+		    data->searchstr);
+		screen_write_stop(&ctx);
+		ssp = &ss;
+	} else
+		width = screen_size_x(ssp);
+
+	cis = window_copy_is_lowercase(data->searchstr);
+
+	if (regex) {
+		sbuf = xmalloc(ssize);
+		sbuf[0] = '\0';
+		sbuf = window_copy_stringify(ssp->grid, 0, 0, ssp->grid->sx,
+		    sbuf, &ssize);
+		if (cis)
+			cflags |= REG_ICASE;
+		if (regcomp(&reg, sbuf, cflags) != 0) {
+			free(sbuf);
+			return (0);
+		}
+		free(sbuf);
+	}
+	tstart = get_timer();
+
+	if (visible_only)
+		window_copy_visible_lines(data, &start, &end);
+	else {
+		start = 0;
+		end = gd->hsize + gd->sy;
+		stop = get_timer() + WINDOW_COPY_SEARCH_ALL_TIMEOUT;
+	}
+
+again:
+	free(data->searchmark);
+	data->searchmark = xcalloc(gd->sx, gd->sy);
+	data->searchgen = 1;
+
+	for (py = start; py < end; py++) {
+		px = 0;
+		for (;;) {
+			if (regex) {
+				found = window_copy_search_lr_regex(gd,
+				    &px, &width, py, px, gd->sx, &reg);
+				if (!found)
+					break;
+			} else {
+				found = window_copy_search_lr(gd, ssp->grid,
+				    &px, py, px, gd->sx, cis);
+				if (!found)
+					break;
+			}
+			nfound++;
+
+			if (window_copy_search_mark_at(data, px, py, &b) == 0) {
+				if (b + width > gd->sx * gd->sy)
+					width = (gd->sx * gd->sy) - b;
+				for (i = b; i < b + width; i++) {
+					if (data->searchmark[i] != 0)
+						continue;
+					data->searchmark[i] = data->searchgen;
+				}
+				if (data->searchgen == UCHAR_MAX)
+					data->searchgen = 1;
+				else
+					data->searchgen++;
+			}
+			px += width;
+		}
+
+		t = get_timer();
+		if (t - tstart > WINDOW_COPY_SEARCH_TIMEOUT) {
+			data->timeout = 1;
+			break;
+		}
+		if (stop != 0 && t > stop) {
+			stopped = 1;
+			break;
+		}
+	}
+	if (data->timeout) {
+		window_copy_clear_marks(wme);
+		goto out;
+	}
+
+	if (stopped && stop != 0) {
+		/* Try again but just the visible context. */
+		window_copy_visible_lines(data, &start, &end);
+		stop = 0;
+		goto again;
+	}
+
+	if (!visible_only) {
+		if (stopped) {
+			if (nfound > 1000)
+				data->searchcount = 1000;
+			else if (nfound > 100)
+				data->searchcount = 100;
+			else if (nfound > 10)
+				data->searchcount = 10;
+			else
+				data->searchcount = -1;
+			data->searchmore = 1;
+		} else {
+			data->searchcount = nfound;
+			data->searchmore = 0;
+		}
+	}
+
+out:
+	if (ssp == &ss)
+		screen_free(&ss);
+	if (regex)
+		regfree(&reg);
+	return (1);
+}
+
+static void
+window_copy_clear_marks(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	free(data->searchmark);
+	data->searchmark = NULL;
+}
+
+static int
+window_copy_search_up(struct window_mode_entry *wme, int regex)
+{
+	return (window_copy_search(wme, 0, regex));
+}
+
+static int
+window_copy_search_down(struct window_mode_entry *wme, int regex)
+{
+	return (window_copy_search(wme, 1, regex));
+}
+
+static void
+window_copy_goto_line(struct window_mode_entry *wme, const char *linestr)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	const char			*errstr;
+	int				 lineno;
+
+	lineno = strtonum(linestr, -1, INT_MAX, &errstr);
+	if (errstr != NULL)
+		return;
+	if (lineno < 0 || (u_int)lineno > screen_hsize(data->backing))
+		lineno = screen_hsize(data->backing);
+
+	data->oy = lineno;
+	window_copy_update_selection(wme, 1, 0);
+	window_copy_redraw_screen(wme);
+}
+
+static void
+window_copy_match_start_end(struct window_copy_mode_data *data, u_int at,
+    u_int *start, u_int *end)
+{
+	struct grid	*gd = data->backing->grid;
+	u_int		 last = (gd->sy * gd->sx) - 1;
+	u_char		 mark = data->searchmark[at];
+
+	*start = *end = at;
+	while (*start != 0 && data->searchmark[*start] == mark)
+		(*start)--;
+	if (data->searchmark[*start] != mark)
+		(*start)++;
+	while (*end != last && data->searchmark[*end] == mark)
+		(*end)++;
+	if (data->searchmark[*end] != mark)
+		(*end)--;
+}
+
+static char *
+window_copy_match_at_cursor(struct window_copy_mode_data *data)
+{
+	struct grid	*gd = data->backing->grid;
+	struct grid_cell gc;
+	u_int		 at, start, end, cy, px, py;
+	u_int		 sx = screen_size_x(data->backing);
+	char		*buf = NULL;
+	size_t		 len = 0;
+
+	if (data->searchmark == NULL)
+		return (NULL);
+
+	cy = screen_hsize(data->backing) - data->oy + data->cy;
+	if (window_copy_search_mark_at(data, data->cx, cy, &at) != 0)
+		return (NULL);
+	if (data->searchmark[at] == 0) {
+		/* Allow one position after the match. */
+		if (at == 0 || data->searchmark[--at] == 0)
+			return (NULL);
+	}
+	window_copy_match_start_end(data, at, &start, &end);
+
+	/*
+	 * Cells will not be set in the marked array unless they are valid text
+	 * and wrapping will be taken care of, so we can just copy.
+ 	 */
+	for (at = start; at <= end; at++) {
+		py = at / sx;
+		px = at - (py * sx);
+
+		grid_get_cell(gd, px, gd->hsize + py - data->oy, &gc);
+		buf = xrealloc(buf, len + gc.data.size + 1);
+		memcpy(buf + len, gc.data.data, gc.data.size);
+		len += gc.data.size;
+	}
+	if (len != 0)
+		buf[len] = '\0';
+	return (buf);
+}
+
+static void
+window_copy_update_style(struct window_mode_entry *wme, u_int fx, u_int fy,
+    struct grid_cell *gc, const struct grid_cell *mgc,
+    const struct grid_cell *cgc, const struct grid_cell *mkgc)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 mark, start, end, cy, cursor, current;
+	int				 inv = 0, found = 0;
+	int				 keys;
+
+	if (data->showmark && fy == data->my) {
+		gc->attr = mkgc->attr;
+		if (fx == data->mx)
+			inv = 1;
+		if (inv) {
+			gc->fg = mkgc->bg;
+			gc->bg = mkgc->fg;
+		}
+		else {
+			gc->fg = mkgc->fg;
+			gc->bg = mkgc->bg;
+		}
+	}
+
+	if (data->searchmark == NULL)
+		return;
+
+	if (window_copy_search_mark_at(data, fx, fy, &current) != 0)
+		return;
+	mark = data->searchmark[current];
+	if (mark == 0)
+		return;
+
+	cy = screen_hsize(data->backing) - data->oy + data->cy;
+	if (window_copy_search_mark_at(data, data->cx, cy, &cursor) == 0) {
+		keys = options_get_number(wp->window->options, "mode-keys");
+		if (cursor != 0 &&
+		    keys == MODEKEY_EMACS &&
+		    data->searchdirection) {
+			if (data->searchmark[cursor - 1] == mark) {
+				cursor--;
+				found = 1;
+			}
+		} else if (data->searchmark[cursor] == mark)
+			found = 1;
+		if (found) {
+			window_copy_match_start_end(data, cursor, &start, &end);
+			if (current >= start && current <= end) {
+				gc->attr = cgc->attr;
+				if (inv) {
+					gc->fg = cgc->bg;
+					gc->bg = cgc->fg;
+				}
+				else {
+					gc->fg = cgc->fg;
+					gc->bg = cgc->bg;
+				}
+				return;
+			}
+		}
+	}
+
+	gc->attr = mgc->attr;
+	if (inv) {
+		gc->fg = mgc->bg;
+		gc->bg = mgc->fg;
+	}
+	else {
+		gc->fg = mgc->fg;
+		gc->bg = mgc->bg;
+	}
+}
+
+static void
+window_copy_write_one(struct window_mode_entry *wme,
+    struct screen_write_ctx *ctx, u_int py, u_int fy, u_int nx,
+    const struct grid_cell *mgc, const struct grid_cell *cgc,
+    const struct grid_cell *mkgc)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->backing->grid;
+	struct grid_cell		 gc;
+	u_int		 		 fx;
+
+	screen_write_cursormove(ctx, 0, py, 0);
+	for (fx = 0; fx < nx; fx++) {
+		grid_get_cell(gd, fx, fy, &gc);
+		if (fx + gc.data.width <= nx) {
+			window_copy_update_style(wme, fx, fy, &gc, mgc, cgc,
+			    mkgc);
+			screen_write_cell(ctx, &gc);
+		}
+	}
+}
+
+static void
+window_copy_write_line(struct window_mode_entry *wme,
+    struct screen_write_ctx *ctx, u_int py)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct options			*oo = wp->window->options;
+	struct grid_cell		 gc, mgc, cgc, mkgc;
+	char				 hdr[512];
+	size_t				 size = 0;
+	u_int				 hsize = screen_hsize(data->backing);
+
+	style_apply(&gc, oo, "mode-style", NULL);
+	gc.flags |= GRID_FLAG_NOPALETTE;
+	style_apply(&mgc, oo, "copy-mode-match-style", NULL);
+	mgc.flags |= GRID_FLAG_NOPALETTE;
+	style_apply(&cgc, oo, "copy-mode-current-match-style", NULL);
+	cgc.flags |= GRID_FLAG_NOPALETTE;
+	style_apply(&mkgc, oo, "copy-mode-mark-style", NULL);
+	mkgc.flags |= GRID_FLAG_NOPALETTE;
+
+	if (py == 0 && s->rupper < s->rlower && !data->hide_position) {
+		if (data->searchmark == NULL) {
+			if (data->timeout) {
+				size = xsnprintf(hdr, sizeof hdr,
+				    "(timed out) [%u/%u]", data->oy, hsize);
+			} else {
+				size = xsnprintf(hdr, sizeof hdr,
+				    "[%u/%u]", data->oy, hsize);
+			}
+		} else {
+			if (data->searchcount == -1) {
+				size = xsnprintf(hdr, sizeof hdr,
+				    "[%u/%u]", data->oy, hsize);
+			} else {
+				size = xsnprintf(hdr, sizeof hdr,
+				    "(%d%s results) [%u/%u]", data->searchcount,
+				    data->searchmore ? "+" : "", data->oy,
+				    hsize);
+			}
+		}
+		if (size > screen_size_x(s))
+			size = screen_size_x(s);
+		screen_write_cursormove(ctx, screen_size_x(s) - size, 0, 0);
+		screen_write_puts(ctx, &gc, "%s", hdr);
+	} else
+		size = 0;
+
+	if (size < screen_size_x(s)) {
+		window_copy_write_one(wme, ctx, py, hsize - data->oy + py,
+		    screen_size_x(s) - size, &mgc, &cgc, &mkgc);
+	}
+
+	if (py == data->cy && data->cx == screen_size_x(s)) {
+		screen_write_cursormove(ctx, screen_size_x(s) - 1, py, 0);
+		screen_write_putc(ctx, &grid_default_cell, '$');
+	}
+}
+
+static void
+window_copy_write_lines(struct window_mode_entry *wme,
+    struct screen_write_ctx *ctx, u_int py, u_int ny)
+{
+	u_int	yy;
+
+	for (yy = py; yy < py + ny; yy++)
+		window_copy_write_line(wme, ctx, py);
+}
+
+static void
+window_copy_redraw_selection(struct window_mode_entry *wme, u_int old_y)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->backing->grid;
+	u_int				 new_y, start, end;
+
+	new_y = data->cy;
+	if (old_y <= new_y) {
+		start = old_y;
+		end = new_y;
+	} else {
+		start = new_y;
+		end = old_y;
+	}
+
+	/*
+	 * In word selection mode the first word on the line below the cursor
+	 * might be selected, so add this line to the redraw area.
+	 */
+	if (data->selflag == SEL_WORD) {
+		/* Last grid line in data coordinates. */
+		if (end < gd->sy + data->oy - 1)
+			end++;
+	}
+	window_copy_redraw_lines(wme, start, end - start + 1);
+}
+
+static void
+window_copy_redraw_lines(struct window_mode_entry *wme, u_int py, u_int ny)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen_write_ctx	 	 ctx;
+	u_int				 i;
+
+	screen_write_start_pane(&ctx, wp, NULL);
+	for (i = py; i < py + ny; i++)
+		window_copy_write_line(wme, &ctx, i);
+	screen_write_cursormove(&ctx, data->cx, data->cy, 0);
+	screen_write_stop(&ctx);
+}
+
+static void
+window_copy_redraw_screen(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	window_copy_redraw_lines(wme, 0, screen_size_y(&data->screen));
+}
+
+static void
+window_copy_synchronize_cursor_end(struct window_mode_entry *wme, int begin,
+    int no_reset)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 xx, yy;
+
+	xx = data->cx;
+	yy = screen_hsize(data->backing) + data->cy - data->oy;
+	switch (data->selflag) {
+	case SEL_WORD:
+		if (no_reset)
+			break;
+		begin = 0;
+		if (data->dy > yy || (data->dy == yy && data->dx > xx)) {
+			/* Right to left selection. */
+			window_copy_cursor_previous_word_pos(wme,
+			    data->separators, &xx, &yy);
+			begin = 1;
+
+			/* Reset the end. */
+			data->endselx = data->endselrx;
+			data->endsely = data->endselry;
+		} else {
+			/* Left to right selection. */
+			if (xx >= window_copy_find_length(wme, yy) ||
+			    !window_copy_in_set(wme, xx + 1, yy, WHITESPACE)) {
+				window_copy_cursor_next_word_end_pos(wme,
+				    data->separators, &xx, &yy);
+			}
+
+			/* Reset the start. */
+			data->selx = data->selrx;
+			data->sely = data->selry;
+		}
+		break;
+	case SEL_LINE:
+		if (no_reset)
+			break;
+		begin = 0;
+		if (data->dy > yy) {
+			/* Right to left selection. */
+			xx = 0;
+			begin = 1;
+
+			/* Reset the end. */
+			data->endselx = data->endselrx;
+			data->endsely = data->endselry;
+		} else {
+			/* Left to right selection. */
+			if (yy < data->endselry)
+				yy = data->endselry;
+			xx = window_copy_find_length(wme, yy);
+
+			/* Reset the start. */
+			data->selx = data->selrx;
+			data->sely = data->selry;
+		}
+		break;
+	case SEL_CHAR:
+		break;
+	}
+	if (begin) {
+		data->selx = xx;
+		data->sely = yy;
+	} else {
+		data->endselx = xx;
+		data->endsely = yy;
+	}
+}
+
+static void
+window_copy_synchronize_cursor(struct window_mode_entry *wme, int no_reset)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	switch (data->cursordrag) {
+	case CURSORDRAG_ENDSEL:
+		window_copy_synchronize_cursor_end(wme, 0, no_reset);
+		break;
+	case CURSORDRAG_SEL:
+		window_copy_synchronize_cursor_end(wme, 1, no_reset);
+		break;
+	case CURSORDRAG_NONE:
+		break;
+	}
+}
+
+static void
+window_copy_update_cursor(struct window_mode_entry *wme, u_int cx, u_int cy)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct screen_write_ctx		 ctx;
+	u_int				 old_cx, old_cy;
+
+	old_cx = data->cx; old_cy = data->cy;
+	data->cx = cx; data->cy = cy;
+	if (old_cx == screen_size_x(s))
+		window_copy_redraw_lines(wme, old_cy, 1);
+	if (data->cx == screen_size_x(s))
+		window_copy_redraw_lines(wme, data->cy, 1);
+	else {
+		screen_write_start_pane(&ctx, wp, NULL);
+		screen_write_cursormove(&ctx, data->cx, data->cy, 0);
+		screen_write_stop(&ctx);
+	}
+}
+
+static void
+window_copy_start_selection(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	data->selx = data->cx;
+	data->sely = screen_hsize(data->backing) + data->cy - data->oy;
+
+	data->endselx = data->selx;
+	data->endsely = data->sely;
+
+	data->cursordrag = CURSORDRAG_ENDSEL;
+
+	window_copy_set_selection(wme, 1, 0);
+}
+
+static int
+window_copy_adjust_selection(struct window_mode_entry *wme, u_int *selx,
+    u_int *sely)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int 				 sx, sy, ty;
+	int				 relpos;
+
+	sx = *selx;
+	sy = *sely;
+
+	ty = screen_hsize(data->backing) - data->oy;
+	if (sy < ty) {
+		relpos = WINDOW_COPY_REL_POS_ABOVE;
+		if (!data->rectflag)
+			sx = 0;
+		sy = 0;
+	} else if (sy > ty + screen_size_y(s) - 1) {
+		relpos = WINDOW_COPY_REL_POS_BELOW;
+		if (!data->rectflag)
+			sx = screen_size_x(s) - 1;
+		sy = screen_size_y(s) - 1;
+	} else {
+		relpos = WINDOW_COPY_REL_POS_ON_SCREEN;
+		sy -= ty;
+	}
+
+	*selx = sx;
+	*sely = sy;
+	return (relpos);
+}
+
+static int
+window_copy_update_selection(struct window_mode_entry *wme, int may_redraw,
+    int no_reset)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+
+	if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
+		return (0);
+	return (window_copy_set_selection(wme, may_redraw, no_reset));
+}
+
+static int
+window_copy_set_selection(struct window_mode_entry *wme, int may_redraw,
+    int no_reset)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct options			*oo = wp->window->options;
+	struct grid_cell		 gc;
+	u_int				 sx, sy, cy, endsx, endsy;
+	int				 startrelpos, endrelpos;
+
+	window_copy_synchronize_cursor(wme, no_reset);
+
+	/* Adjust the selection. */
+	sx = data->selx;
+	sy = data->sely;
+	startrelpos = window_copy_adjust_selection(wme, &sx, &sy);
+
+	/* Adjust the end of selection. */
+	endsx = data->endselx;
+	endsy = data->endsely;
+	endrelpos = window_copy_adjust_selection(wme, &endsx, &endsy);
+
+	/* Selection is outside of the current screen */
+	if (startrelpos == endrelpos &&
+	    startrelpos != WINDOW_COPY_REL_POS_ON_SCREEN) {
+		screen_hide_selection(s);
+		return (0);
+	}
+
+	/* Set colours and selection. */
+	style_apply(&gc, oo, "mode-style", NULL);
+	gc.flags |= GRID_FLAG_NOPALETTE;
+	screen_set_selection(s, sx, sy, endsx, endsy, data->rectflag,
+	    data->modekeys, &gc);
+
+	if (data->rectflag && may_redraw) {
+		/*
+		 * Can't rely on the caller to redraw the right lines for
+		 * rectangle selection - find the highest line and the number
+		 * of lines, and redraw just past that in both directions
+		 */
+		cy = data->cy;
+		if (data->cursordrag == CURSORDRAG_ENDSEL) {
+			if (sy < cy)
+				window_copy_redraw_lines(wme, sy, cy - sy + 1);
+			else
+				window_copy_redraw_lines(wme, cy, sy - cy + 1);
+		} else {
+			if (endsy < cy) {
+				window_copy_redraw_lines(wme, endsy,
+				    cy - endsy + 1);
+			} else {
+				window_copy_redraw_lines(wme, cy,
+				    endsy - cy + 1);
+			}
+		}
+	}
+
+	return (1);
+}
+
+static void *
+window_copy_get_selection(struct window_mode_entry *wme, size_t *len)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	char				*buf;
+	size_t				 off;
+	u_int				 i, xx, yy, sx, sy, ex, ey, ey_last;
+	u_int				 firstsx, lastex, restex, restsx, selx;
+	int				 keys;
+
+	if (data->screen.sel == NULL && data->lineflag == LINE_SEL_NONE) {
+		buf = window_copy_match_at_cursor(data);
+		if (buf != NULL)
+			*len = strlen(buf);
+		else
+			*len = 0;
+		return (buf);
+	}
+
+	buf = xmalloc(1);
+	off = 0;
+
+	*buf = '\0';
+
+	/*
+	 * The selection extends from selx,sely to (adjusted) cx,cy on
+	 * the base screen.
+	 */
+
+	/* Find start and end. */
+	xx = data->endselx;
+	yy = data->endsely;
+	if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
+		sx = xx; sy = yy;
+		ex = data->selx; ey = data->sely;
+	} else {
+		sx = data->selx; sy = data->sely;
+		ex = xx; ey = yy;
+	}
+
+	/* Trim ex to end of line. */
+	ey_last = window_copy_find_length(wme, ey);
+	if (ex > ey_last)
+		ex = ey_last;
+
+	/*
+	 * Deal with rectangle-copy if necessary; four situations: start of
+	 * first line (firstsx), end of last line (lastex), start (restsx) and
+	 * end (restex) of all other lines.
+	 */
+	xx = screen_size_x(s);
+
+	/*
+	 * Behave according to mode-keys. If it is emacs, copy like emacs,
+	 * keeping the top-left-most character, and dropping the
+	 * bottom-right-most, regardless of copy direction. If it is vi, also
+	 * keep bottom-right-most character.
+	 */
+	keys = options_get_number(wp->window->options, "mode-keys");
+	if (data->rectflag) {
+		/*
+		 * Need to ignore the column with the cursor in it, which for
+		 * rectangular copy means knowing which side the cursor is on.
+		 */
+		if (data->cursordrag == CURSORDRAG_ENDSEL)
+			selx = data->selx;
+		else
+			selx = data->endselx;
+		if (selx < data->cx) {
+			/* Selection start is on the left. */
+			if (keys == MODEKEY_EMACS) {
+				lastex = data->cx;
+				restex = data->cx;
+			}
+			else {
+				lastex = data->cx + 1;
+				restex = data->cx + 1;
+			}
+			firstsx = selx;
+			restsx = selx;
+		} else {
+			/* Cursor is on the left. */
+			lastex = selx + 1;
+			restex = selx + 1;
+			firstsx = data->cx;
+			restsx = data->cx;
+		}
+	} else {
+		if (keys == MODEKEY_EMACS)
+			lastex = ex;
+		else
+			lastex = ex + 1;
+		restex = xx;
+		firstsx = sx;
+		restsx = 0;
+	}
+
+	/* Copy the lines. */
+	for (i = sy; i <= ey; i++) {
+		window_copy_copy_line(wme, &buf, &off, i,
+		    (i == sy ? firstsx : restsx),
+		    (i == ey ? lastex : restex));
+	}
+
+	/* Don't bother if no data. */
+	if (off == 0) {
+		free(buf);
+		*len = 0;
+		return (NULL);
+	}
+	 /* Remove final \n (unless at end in vi mode). */
+	if (keys == MODEKEY_EMACS || lastex <= ey_last) {
+		if (~grid_get_line(data->backing->grid, ey)->flags &
+		    GRID_LINE_WRAPPED || lastex != ey_last)
+		off -= 1;
+	}
+	*len = off;
+	return (buf);
+}
+
+static void
+window_copy_copy_buffer(struct window_mode_entry *wme, const char *prefix,
+    void *buf, size_t len)
+{
+	struct window_pane	*wp = wme->wp;
+	struct screen_write_ctx	 ctx;
+
+	if (options_get_number(global_options, "set-clipboard") != 0) {
+		screen_write_start_pane(&ctx, wp, NULL);
+		screen_write_setselection(&ctx, buf, len);
+		screen_write_stop(&ctx);
+		notify_pane("pane-set-clipboard", wp);
+	}
+
+	paste_add(prefix, buf, len);
+}
+
+static void *
+window_copy_pipe_run(struct window_mode_entry *wme, struct session *s,
+    const char *cmd, size_t *len)
+{
+	void		*buf;
+	struct job	*job;
+
+	buf = window_copy_get_selection(wme, len);
+	if (cmd == NULL || *cmd == '\0')
+		cmd = options_get_string(global_options, "copy-command");
+	if (cmd != NULL && *cmd != '\0') {
+		job = job_run(cmd, 0, NULL, NULL, s, NULL, NULL, NULL, NULL,
+		    NULL, JOB_NOWAIT, -1, -1);
+		bufferevent_write(job_get_event(job), buf, *len);
+	}
+	return (buf);
+}
+
+static void
+window_copy_pipe(struct window_mode_entry *wme, struct session *s,
+    const char *cmd)
+{
+	size_t	len;
+
+	window_copy_pipe_run(wme, s, cmd, &len);
+}
+
+static void
+window_copy_copy_pipe(struct window_mode_entry *wme, struct session *s,
+    const char *prefix, const char *cmd)
+{
+	void	*buf;
+	size_t	 len;
+
+	buf = window_copy_pipe_run(wme, s, cmd, &len);
+	if (buf != NULL)
+		window_copy_copy_buffer(wme, prefix, buf, len);
+}
+
+static void
+window_copy_copy_selection(struct window_mode_entry *wme, const char *prefix)
+{
+	char	*buf;
+	size_t	 len;
+
+	buf = window_copy_get_selection(wme, &len);
+	if (buf != NULL)
+		window_copy_copy_buffer(wme, prefix, buf, len);
+}
+
+static void
+window_copy_append_selection(struct window_mode_entry *wme)
+{
+	struct window_pane		*wp = wme->wp;
+	char				*buf;
+	struct paste_buffer		*pb;
+	const char			*bufdata, *bufname = NULL;
+	size_t				 len, bufsize;
+	struct screen_write_ctx		 ctx;
+
+	buf = window_copy_get_selection(wme, &len);
+	if (buf == NULL)
+		return;
+
+	if (options_get_number(global_options, "set-clipboard") != 0) {
+		screen_write_start_pane(&ctx, wp, NULL);
+		screen_write_setselection(&ctx, buf, len);
+		screen_write_stop(&ctx);
+		notify_pane("pane-set-clipboard", wp);
+	}
+
+	pb = paste_get_top(&bufname);
+	if (pb != NULL) {
+		bufdata = paste_buffer_data(pb, &bufsize);
+		buf = xrealloc(buf, len + bufsize);
+		memmove(buf + bufsize, buf, len);
+		memcpy(buf, bufdata, bufsize);
+		len += bufsize;
+	}
+	if (paste_set(buf, len, bufname, NULL) != 0)
+		free(buf);
+}
+
+static void
+window_copy_copy_line(struct window_mode_entry *wme, char **buf, size_t *off,
+    u_int sy, u_int sx, u_int ex)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid			*gd = data->backing->grid;
+	struct grid_cell		 gc;
+	struct grid_line		*gl;
+	struct utf8_data		 ud;
+	u_int				 i, xx, wrapped = 0;
+	const char			*s;
+
+	if (sx > ex)
+		return;
+
+	/*
+	 * Work out if the line was wrapped at the screen edge and all of it is
+	 * on screen.
+	 */
+	gl = grid_get_line(gd, sy);
+	if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
+		wrapped = 1;
+
+	/* If the line was wrapped, don't strip spaces (use the full length). */
+	if (wrapped)
+		xx = gl->cellsize;
+	else
+		xx = window_copy_find_length(wme, sy);
+	if (ex > xx)
+		ex = xx;
+	if (sx > xx)
+		sx = xx;
+
+	if (sx < ex) {
+		for (i = sx; i < ex; i++) {
+			grid_get_cell(gd, i, sy, &gc);
+			if (gc.flags & GRID_FLAG_PADDING)
+				continue;
+			utf8_copy(&ud, &gc.data);
+			if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
+				s = tty_acs_get(NULL, ud.data[0]);
+				if (s != NULL && strlen(s) <= sizeof ud.data) {
+					ud.size = strlen(s);
+					memcpy(ud.data, s, ud.size);
+				}
+			}
+
+			*buf = xrealloc(*buf, (*off) + ud.size);
+			memcpy(*buf + *off, ud.data, ud.size);
+			*off += ud.size;
+		}
+	}
+
+	/* Only add a newline if the line wasn't wrapped. */
+	if (!wrapped || ex != xx) {
+		*buf = xrealloc(*buf, (*off) + 1);
+		(*buf)[(*off)++] = '\n';
+	}
+}
+
+static void
+window_copy_clear_selection(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data   *data = wme->data;
+	u_int				px, py;
+
+	screen_clear_selection(&data->screen);
+
+	data->cursordrag = CURSORDRAG_NONE;
+	data->lineflag = LINE_SEL_NONE;
+	data->selflag = SEL_CHAR;
+
+	py = screen_hsize(data->backing) + data->cy - data->oy;
+	px = window_copy_find_length(wme, py);
+	if (data->cx > px)
+		window_copy_update_cursor(wme, px, data->cy);
+}
+
+static int
+window_copy_in_set(struct window_mode_entry *wme, u_int px, u_int py,
+    const char *set)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct grid_cell		 gc;
+
+	grid_get_cell(data->backing->grid, px, py, &gc);
+	if (gc.flags & GRID_FLAG_PADDING)
+		return (0);
+	return (utf8_cstrhas(set, &gc.data));
+}
+
+static u_int
+window_copy_find_length(struct window_mode_entry *wme, u_int py)
+{
+	struct window_copy_mode_data	*data = wme->data;
+
+	return (grid_line_length(data->backing->grid, py));
+}
+
+static void
+window_copy_cursor_start_of_line(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_start_of_line(&gr, 1);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
+}
+
+static void
+window_copy_cursor_back_to_indentation(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_back_to_indentation(&gr);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
+}
+
+static void
+window_copy_cursor_end_of_line(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py =  hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	if (data->screen.sel != NULL && data->rectflag)
+		grid_reader_cursor_end_of_line(&gr, 1, 1);
+	else
+		grid_reader_cursor_end_of_line(&gr, 1, 0);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
+	    data->oy, oldy, px, py, 0);
+}
+
+static void
+window_copy_other_end(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 selx, sely, cy, yy, hsize;
+
+	if (s->sel == NULL && data->lineflag == LINE_SEL_NONE)
+		return;
+
+	if (data->lineflag == LINE_SEL_LEFT_RIGHT)
+		data->lineflag = LINE_SEL_RIGHT_LEFT;
+	else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
+		data->lineflag = LINE_SEL_LEFT_RIGHT;
+
+	switch (data->cursordrag) {
+		case CURSORDRAG_NONE:
+		case CURSORDRAG_SEL:
+			data->cursordrag = CURSORDRAG_ENDSEL;
+			break;
+		case CURSORDRAG_ENDSEL:
+			data->cursordrag = CURSORDRAG_SEL;
+			break;
+	}
+
+	selx = data->endselx;
+	sely = data->endsely;
+	if (data->cursordrag == CURSORDRAG_SEL) {
+		selx = data->selx;
+		sely = data->sely;
+	}
+
+	cy = data->cy;
+	yy = screen_hsize(data->backing) + data->cy - data->oy;
+
+	data->cx = selx;
+
+	hsize = screen_hsize(data->backing);
+	if (sely < hsize - data->oy) { /* above */
+		data->oy = hsize - sely;
+		data->cy = 0;
+	} else if (sely > hsize - data->oy + screen_size_y(s)) { /* below */
+		data->oy = hsize - sely + screen_size_y(s) - 1;
+		data->cy = screen_size_y(s) - 1;
+	} else
+		data->cy = cy + sely - yy;
+
+	window_copy_update_selection(wme, 1, 1);
+	window_copy_redraw_screen(wme);
+}
+
+static void
+window_copy_cursor_left(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_left(&gr, 1);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
+}
+
+static void
+window_copy_cursor_right(struct window_mode_entry *wme, int all)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_right(&gr, 1, all);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
+	    data->oy, oldy, px, py, 0);
+}
+
+static void
+window_copy_cursor_up(struct window_mode_entry *wme, int scroll_only)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 ox, oy, px, py;
+	int				 norectsel;
+
+	norectsel = data->screen.sel == NULL || !data->rectflag;
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	ox = window_copy_find_length(wme, oy);
+	if (norectsel && data->cx != ox) {
+		data->lastcx = data->cx;
+		data->lastsx = ox;
+	}
+
+	if (data->lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
+		window_copy_other_end(wme);
+
+	if (scroll_only || data->cy == 0) {
+		if (norectsel)
+			data->cx = data->lastcx;
+		window_copy_scroll_down(wme, 1);
+		if (scroll_only) {
+			if (data->cy == screen_size_y(s) - 1)
+				window_copy_redraw_lines(wme, data->cy, 1);
+			else
+				window_copy_redraw_lines(wme, data->cy, 2);
+		}
+	} else {
+		if (norectsel) {
+			window_copy_update_cursor(wme, data->lastcx,
+			    data->cy - 1);
+		} else
+			window_copy_update_cursor(wme, data->cx, data->cy - 1);
+		if (window_copy_update_selection(wme, 1, 0)) {
+			if (data->cy == screen_size_y(s) - 1)
+				window_copy_redraw_lines(wme, data->cy, 1);
+			else
+				window_copy_redraw_lines(wme, data->cy, 2);
+		}
+	}
+
+	if (norectsel) {
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		px = window_copy_find_length(wme, py);
+		if ((data->cx >= data->lastsx && data->cx != px) ||
+		    data->cx > px)
+		{
+			window_copy_update_cursor(wme, px, data->cy);
+			if (window_copy_update_selection(wme, 1, 0))
+				window_copy_redraw_lines(wme, data->cy, 1);
+		}
+	}
+
+	if (data->lineflag == LINE_SEL_LEFT_RIGHT)
+	{
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		if (data->rectflag)
+			px = screen_size_x(data->backing);
+		else
+			px = window_copy_find_length(wme, py);
+		window_copy_update_cursor(wme, px, data->cy);
+		if (window_copy_update_selection(wme, 1, 0))
+			window_copy_redraw_lines(wme, data->cy, 1);
+	}
+	else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
+	{
+		window_copy_update_cursor(wme, 0, data->cy);
+		if (window_copy_update_selection(wme, 1, 0))
+			window_copy_redraw_lines(wme, data->cy, 1);
+	}
+}
+
+static void
+window_copy_cursor_down(struct window_mode_entry *wme, int scroll_only)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	u_int				 ox, oy, px, py;
+	int				 norectsel;
+
+	norectsel = data->screen.sel == NULL || !data->rectflag;
+	oy = screen_hsize(data->backing) + data->cy - data->oy;
+	ox = window_copy_find_length(wme, oy);
+	if (norectsel && data->cx != ox) {
+		data->lastcx = data->cx;
+		data->lastsx = ox;
+	}
+
+	if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
+		window_copy_other_end(wme);
+
+	if (scroll_only || data->cy == screen_size_y(s) - 1) {
+		if (norectsel)
+			data->cx = data->lastcx;
+		window_copy_scroll_up(wme, 1);
+		if (scroll_only && data->cy > 0)
+			window_copy_redraw_lines(wme, data->cy - 1, 2);
+	} else {
+		if (norectsel) {
+			window_copy_update_cursor(wme, data->lastcx,
+			    data->cy + 1);
+		} else
+			window_copy_update_cursor(wme, data->cx, data->cy + 1);
+		if (window_copy_update_selection(wme, 1, 0))
+			window_copy_redraw_lines(wme, data->cy - 1, 2);
+	}
+
+	if (norectsel) {
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		px = window_copy_find_length(wme, py);
+		if ((data->cx >= data->lastsx && data->cx != px) ||
+		    data->cx > px)
+		{
+			window_copy_update_cursor(wme, px, data->cy);
+			if (window_copy_update_selection(wme, 1, 0))
+				window_copy_redraw_lines(wme, data->cy, 1);
+		}
+	}
+
+	if (data->lineflag == LINE_SEL_LEFT_RIGHT)
+	{
+		py = screen_hsize(data->backing) + data->cy - data->oy;
+		if (data->rectflag)
+			px = screen_size_x(data->backing);
+		else
+			px = window_copy_find_length(wme, py);
+		window_copy_update_cursor(wme, px, data->cy);
+		if (window_copy_update_selection(wme, 1, 0))
+			window_copy_redraw_lines(wme, data->cy, 1);
+	}
+	else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
+	{
+		window_copy_update_cursor(wme, 0, data->cy);
+		if (window_copy_update_selection(wme, 1, 0))
+			window_copy_redraw_lines(wme, data->cy, 1);
+	}
+}
+
+static void
+window_copy_cursor_jump(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx + 1;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
+		grid_reader_get_cursor(&gr, &px, &py);
+		window_copy_acquire_cursor_down(wme, hsize,
+		    screen_size_y(back_s), data->oy, oldy, px, py, 0);
+	}
+}
+
+static void
+window_copy_cursor_jump_back(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_left(&gr, 0);
+	if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
+		grid_reader_get_cursor(&gr, &px, &py);
+		window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
+		    py);
+	}
+}
+
+static void
+window_copy_cursor_jump_to(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx + 2;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	if (grid_reader_cursor_jump(&gr, data->jumpchar)) {
+		grid_reader_cursor_left(&gr, 1);
+		grid_reader_get_cursor(&gr, &px, &py);
+		window_copy_acquire_cursor_down(wme, hsize,
+		    screen_size_y(back_s), data->oy, oldy, px, py, 0);
+	}
+}
+
+static void
+window_copy_cursor_jump_to_back(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_left(&gr, 0);
+	grid_reader_cursor_left(&gr, 0);
+	if (grid_reader_cursor_jump_back(&gr, data->jumpchar)) {
+		grid_reader_cursor_right(&gr, 1, 0);
+		grid_reader_get_cursor(&gr, &px, &py);
+		window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px,
+		    py);
+	}
+}
+
+static void
+window_copy_cursor_next_word(struct window_mode_entry *wme,
+    const char *separators)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py =  hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_next_word(&gr, separators);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
+	    data->oy, oldy, px, py, 0);
+}
+
+/* Compute the next place where a word ends. */
+static void
+window_copy_cursor_next_word_end_pos(struct window_mode_entry *wme,
+    const char *separators, u_int *ppx, u_int *ppy)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct options			*oo = wp->window->options;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py =  hsize + data->cy - data->oy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
+		if (!grid_reader_in_set(&gr, WHITESPACE))
+			grid_reader_cursor_right(&gr, 0, 0);
+		grid_reader_cursor_next_word_end(&gr, separators);
+		grid_reader_cursor_left(&gr, 1);
+	} else
+		grid_reader_cursor_next_word_end(&gr, separators);
+	grid_reader_get_cursor(&gr, &px, &py);
+	*ppx = px;
+	*ppy = py;
+}
+
+/* Move to the next place where a word ends. */
+static void
+window_copy_cursor_next_word_end(struct window_mode_entry *wme,
+    const char *separators, int no_reset)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct options			*oo = wp->window->options;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py =  hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	if (options_get_number(oo, "mode-keys") == MODEKEY_VI) {
+		if (!grid_reader_in_set(&gr, WHITESPACE))
+			grid_reader_cursor_right(&gr, 0, 0);
+		grid_reader_cursor_next_word_end(&gr, separators);
+		grid_reader_cursor_left(&gr, 1);
+	} else
+		grid_reader_cursor_next_word_end(&gr, separators);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_down(wme, hsize, screen_size_y(back_s),
+	    data->oy, oldy, px, py, no_reset);
+}
+
+/* Compute the previous place where a word begins. */
+static void
+window_copy_cursor_previous_word_pos(struct window_mode_entry *wme,
+    const char *separators, u_int *ppx, u_int *ppy)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, hsize;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_previous_word(&gr, separators, /* already= */ 0,
+        /* stop_at_eol= */ 1);
+	grid_reader_get_cursor(&gr, &px, &py);
+	*ppx = px;
+	*ppy = py;
+}
+
+/* Move to the previous place where a word begins. */
+static void
+window_copy_cursor_previous_word(struct window_mode_entry *wme,
+    const char *separators, int already)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	struct window			*w = wme->wp->window;
+	struct screen			*back_s = data->backing;
+	struct grid_reader		 gr;
+	u_int				 px, py, oldy, hsize;
+	int				 stop_at_eol;
+
+	if (options_get_number(w->options, "mode-keys") == MODEKEY_EMACS)
+		stop_at_eol = 1;
+	else
+		stop_at_eol = 0;
+
+	px = data->cx;
+	hsize = screen_hsize(back_s);
+	py = hsize + data->cy - data->oy;
+	oldy = data->cy;
+
+	grid_reader_start(&gr, back_s->grid, px, py);
+	grid_reader_cursor_previous_word(&gr, separators, already, stop_at_eol);
+	grid_reader_get_cursor(&gr, &px, &py);
+	window_copy_acquire_cursor_up(wme, hsize, data->oy, oldy, px, py);
+}
+
+static void
+window_copy_scroll_up(struct window_mode_entry *wme, u_int ny)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct screen_write_ctx		 ctx;
+
+	if (data->oy < ny)
+		ny = data->oy;
+	if (ny == 0)
+		return;
+	data->oy -= ny;
+
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 0, 0);
+
+	screen_write_start_pane(&ctx, wp, NULL);
+	screen_write_cursormove(&ctx, 0, 0, 0);
+	screen_write_deleteline(&ctx, ny, 8);
+	window_copy_write_lines(wme, &ctx, screen_size_y(s) - ny, ny);
+	window_copy_write_line(wme, &ctx, 0);
+	if (screen_size_y(s) > 1)
+		window_copy_write_line(wme, &ctx, 1);
+	if (screen_size_y(s) > 3)
+		window_copy_write_line(wme, &ctx, screen_size_y(s) - 2);
+	if (s->sel != NULL && screen_size_y(s) > ny)
+		window_copy_write_line(wme, &ctx, screen_size_y(s) - ny - 1);
+	screen_write_cursormove(&ctx, data->cx, data->cy, 0);
+	screen_write_stop(&ctx);
+}
+
+static void
+window_copy_scroll_down(struct window_mode_entry *wme, u_int ny)
+{
+	struct window_pane		*wp = wme->wp;
+	struct window_copy_mode_data	*data = wme->data;
+	struct screen			*s = &data->screen;
+	struct screen_write_ctx		 ctx;
+
+	if (ny > screen_hsize(data->backing))
+		return;
+
+	if (data->oy > screen_hsize(data->backing) - ny)
+		ny = screen_hsize(data->backing) - data->oy;
+	if (ny == 0)
+		return;
+	data->oy += ny;
+
+	if (data->searchmark != NULL && !data->timeout)
+		window_copy_search_marks(wme, NULL, data->searchregex, 1);
+	window_copy_update_selection(wme, 0, 0);
+
+	screen_write_start_pane(&ctx, wp, NULL);
+	screen_write_cursormove(&ctx, 0, 0, 0);
+	screen_write_insertline(&ctx, ny, 8);
+	window_copy_write_lines(wme, &ctx, 0, ny);
+	if (s->sel != NULL && screen_size_y(s) > ny)
+		window_copy_write_line(wme, &ctx, ny);
+	else if (ny == 1) /* nuke position */
+		window_copy_write_line(wme, &ctx, 1);
+	screen_write_cursormove(&ctx, data->cx, data->cy, 0);
+	screen_write_stop(&ctx);
+}
+
+static void
+window_copy_rectangle_set(struct window_mode_entry *wme, int rectflag)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 px, py;
+
+	data->rectflag = rectflag;
+
+	py = screen_hsize(data->backing) + data->cy - data->oy;
+	px = window_copy_find_length(wme, py);
+	if (data->cx > px)
+		window_copy_update_cursor(wme, px, data->cy);
+
+	window_copy_update_selection(wme, 1, 0);
+	window_copy_redraw_screen(wme);
+}
+
+static void
+window_copy_move_mouse(struct mouse_event *m)
+{
+	struct window_pane		*wp;
+	struct window_mode_entry	*wme;
+	u_int				 x, y;
+
+	wp = cmd_mouse_pane(m, NULL, NULL);
+	if (wp == NULL)
+		return;
+	wme = TAILQ_FIRST(&wp->modes);
+	if (wme == NULL)
+		return;
+	if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
+		return;
+
+	if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
+		return;
+
+	window_copy_update_cursor(wme, x, y);
+}
+
+void
+window_copy_start_drag(struct client *c, struct mouse_event *m)
+{
+	struct window_pane		*wp;
+	struct window_mode_entry	*wme;
+	struct window_copy_mode_data	*data;
+	u_int				 x, y, yg;
+
+	if (c == NULL)
+		return;
+
+	wp = cmd_mouse_pane(m, NULL, NULL);
+	if (wp == NULL)
+		return;
+	wme = TAILQ_FIRST(&wp->modes);
+	if (wme == NULL)
+		return;
+	if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
+		return;
+
+	if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
+		return;
+
+	c->tty.mouse_drag_update = window_copy_drag_update;
+	c->tty.mouse_drag_release = window_copy_drag_release;
+
+	data = wme->data;
+	yg = screen_hsize(data->backing) + y - data->oy;
+	if (x < data->selrx || x > data->endselrx || yg != data->selry)
+		data->selflag = SEL_CHAR;
+	switch (data->selflag) {
+	case SEL_WORD:
+		if (data->separators != NULL) {
+			window_copy_update_cursor(wme, x, y);
+			window_copy_cursor_previous_word_pos(wme,
+			    data->separators, &x, &y);
+			y -= screen_hsize(data->backing) - data->oy;
+		}
+		window_copy_update_cursor(wme, x, y);
+		break;
+	case SEL_LINE:
+		window_copy_update_cursor(wme, 0, y);
+		break;
+	case SEL_CHAR:
+		window_copy_update_cursor(wme, x, y);
+		window_copy_start_selection(wme);
+		break;
+	}
+
+	window_copy_redraw_screen(wme);
+	window_copy_drag_update(c, m);
+}
+
+static void
+window_copy_drag_update(struct client *c, struct mouse_event *m)
+{
+	struct window_pane		*wp;
+	struct window_mode_entry	*wme;
+	struct window_copy_mode_data	*data;
+	u_int				 x, y, old_cx, old_cy;
+	struct timeval			 tv = {
+		.tv_usec = WINDOW_COPY_DRAG_REPEAT_TIME
+	};
+
+	if (c == NULL)
+		return;
+
+	wp = cmd_mouse_pane(m, NULL, NULL);
+	if (wp == NULL)
+		return;
+	wme = TAILQ_FIRST(&wp->modes);
+	if (wme == NULL)
+		return;
+	if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
+		return;
+
+	data = wme->data;
+	evtimer_del(&data->dragtimer);
+
+	if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
+		return;
+	old_cx = data->cx;
+	old_cy = data->cy;
+
+	window_copy_update_cursor(wme, x, y);
+	if (window_copy_update_selection(wme, 1, 0))
+		window_copy_redraw_selection(wme, old_cy);
+	if (old_cy != data->cy || old_cx == data->cx) {
+		if (y == 0) {
+			evtimer_add(&data->dragtimer, &tv);
+			window_copy_cursor_up(wme, 1);
+		} else if (y == screen_size_y(&data->screen) - 1) {
+			evtimer_add(&data->dragtimer, &tv);
+			window_copy_cursor_down(wme, 1);
+		}
+	}
+}
+
+static void
+window_copy_drag_release(struct client *c, struct mouse_event *m)
+{
+	struct window_pane		*wp;
+	struct window_mode_entry	*wme;
+	struct window_copy_mode_data	*data;
+
+	if (c == NULL)
+		return;
+
+	wp = cmd_mouse_pane(m, NULL, NULL);
+	if (wp == NULL)
+		return;
+	wme = TAILQ_FIRST(&wp->modes);
+	if (wme == NULL)
+		return;
+	if (wme->mode != &window_copy_mode && wme->mode != &window_view_mode)
+		return;
+
+	data = wme->data;
+	evtimer_del(&data->dragtimer);
+}
+
+static void
+window_copy_jump_to_mark(struct window_mode_entry *wme)
+{
+	struct window_copy_mode_data	*data = wme->data;
+	u_int				 tmx, tmy;
+
+	tmx = data->cx;
+	tmy = screen_hsize(data->backing) + data->cy - data->oy;
+	data->cx = data->mx;
+	if (data->my < screen_hsize(data->backing)) {
+		data->cy = 0;
+		data->oy = screen_hsize(data->backing) - data->my;
+	} else {
+		data->cy = data->my - screen_hsize(data->backing);
+		data->oy = 0;
+	}
+	data->mx = tmx;
+	data->my = tmy;
+	data->showmark = 1;
+	window_copy_update_selection(wme, 0, 0);
+	window_copy_redraw_screen(wme);
+}
+
+/* Scroll up if the cursor went off the visible screen. */
+static void
+window_copy_acquire_cursor_up(struct window_mode_entry *wme, u_int hsize,
+    u_int oy, u_int oldy, u_int px, u_int py)
+{
+	u_int	cy, yy, ny, nd;
+
+	yy = hsize - oy;
+	if (py < yy) {
+		ny = yy - py;
+		cy = 0;
+		nd = 1;
+	} else {
+		ny = 0;
+		cy = py - yy;
+		nd = oldy - cy + 1;
+	}
+	while (ny > 0) {
+		window_copy_cursor_up(wme, 1);
+		ny--;
+	}
+	window_copy_update_cursor(wme, px, cy);
+	if (window_copy_update_selection(wme, 1, 0))
+		window_copy_redraw_lines(wme, cy, nd);
+}
+
+/* Scroll down if the cursor went off the visible screen. */
+static void
+window_copy_acquire_cursor_down(struct window_mode_entry *wme, u_int hsize,
+    u_int sy, u_int oy, u_int oldy, u_int px, u_int py, int no_reset)
+{
+	u_int	cy, yy, ny, nd;
+
+	cy = py - hsize + oy;
+	yy = sy - 1;
+	if (cy > yy) {
+		ny = cy - yy;
+		oldy = yy;
+		nd = 1;
+	} else {
+		ny = 0;
+		nd = cy - oldy + 1;
+	}
+	while (ny > 0) {
+	  window_copy_cursor_down(wme, 1);
+	  ny--;
+	}
+	if (cy > yy)
+		window_copy_update_cursor(wme, px, yy);
+	else
+		window_copy_update_cursor(wme, px, cy);
+	if (window_copy_update_selection(wme, 1, no_reset))
+		window_copy_redraw_lines(wme, oldy, nd);
+}