Adding upstream version 3.3a.upstream/3.3a

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

1 files changed, 664 insertions, 0 deletions

diff --git a/input-keys.c b/input-keys.c
new file mode 100644
index 0000000..ebf6133
--- /dev/null
+++ b/input-keys.c
@@ -0,0 +1,664 @@
+/* $OpenBSD$ */
+
+/*
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * This file is rather misleadingly named, it contains the code which takes a
+ * key code and translates it into something suitable to be sent to the
+ * application running in a pane (similar to input.c does in the other
+ * direction with output).
+ */
+
+static void	 input_key_mouse(struct window_pane *, struct mouse_event *);
+
+/* Entry in the key tree. */
+struct input_key_entry {
+	key_code			 key;
+	const char			*data;
+
+	RB_ENTRY(input_key_entry)	 entry;
+};
+RB_HEAD(input_key_tree, input_key_entry);
+
+/* Tree of input keys. */
+static int	input_key_cmp(struct input_key_entry *,
+		    struct input_key_entry *);
+RB_GENERATE_STATIC(input_key_tree, input_key_entry, entry, input_key_cmp);
+struct input_key_tree input_key_tree = RB_INITIALIZER(&input_key_tree);
+
+/* List of default keys, the tree is built from this. */
+static struct input_key_entry input_key_defaults[] = {
+	/* Paste keys. */
+	{ .key = KEYC_PASTE_START,
+	  .data = "\033[200~"
+	},
+	{ .key = KEYC_PASTE_END,
+	  .data = "\033[201~"
+	},
+
+	/* Function keys. */
+	{ .key = KEYC_F1,
+	  .data = "\033OP"
+	},
+	{ .key = KEYC_F2,
+	  .data = "\033OQ"
+	},
+	{ .key = KEYC_F3,
+	  .data = "\033OR"
+	},
+	{ .key = KEYC_F4,
+	  .data = "\033OS"
+	},
+	{ .key = KEYC_F5,
+	  .data = "\033[15~"
+	},
+	{ .key = KEYC_F6,
+	  .data = "\033[17~"
+	},
+	{ .key = KEYC_F7,
+	  .data = "\033[18~"
+	},
+	{ .key = KEYC_F8,
+	  .data = "\033[19~"
+	},
+	{ .key = KEYC_F9,
+	  .data = "\033[20~"
+	},
+	{ .key = KEYC_F10,
+	  .data = "\033[21~"
+	},
+	{ .key = KEYC_F11,
+	  .data = "\033[23~"
+	},
+	{ .key = KEYC_F12,
+	  .data = "\033[24~"
+	},
+	{ .key = KEYC_IC,
+	  .data = "\033[2~"
+	},
+	{ .key = KEYC_DC,
+	  .data = "\033[3~"
+	},
+	{ .key = KEYC_HOME,
+	  .data = "\033[1~"
+	},
+	{ .key = KEYC_END,
+	  .data = "\033[4~"
+	},
+	{ .key = KEYC_NPAGE,
+	  .data = "\033[6~"
+	},
+	{ .key = KEYC_PPAGE,
+	  .data = "\033[5~"
+	},
+	{ .key = KEYC_BTAB,
+	  .data = "\033[Z"
+	},
+
+	/* Arrow keys. */
+	{ .key = KEYC_UP|KEYC_CURSOR,
+	  .data = "\033OA"
+	},
+	{ .key = KEYC_DOWN|KEYC_CURSOR,
+	  .data = "\033OB"
+	},
+	{ .key = KEYC_RIGHT|KEYC_CURSOR,
+	  .data = "\033OC"
+	},
+	{ .key = KEYC_LEFT|KEYC_CURSOR,
+	  .data = "\033OD"
+	},
+	{ .key = KEYC_UP,
+	  .data = "\033[A"
+	},
+	{ .key = KEYC_DOWN,
+	  .data = "\033[B"
+	},
+	{ .key = KEYC_RIGHT,
+	  .data = "\033[C"
+	},
+	{ .key = KEYC_LEFT,
+	  .data = "\033[D"
+	},
+
+	/* Keypad keys. */
+	{ .key = KEYC_KP_SLASH|KEYC_KEYPAD,
+	  .data = "\033Oo"
+	},
+	{ .key = KEYC_KP_STAR|KEYC_KEYPAD,
+	  .data = "\033Oj"
+	},
+	{ .key = KEYC_KP_MINUS|KEYC_KEYPAD,
+	  .data = "\033Om"
+	},
+	{ .key = KEYC_KP_SEVEN|KEYC_KEYPAD,
+	  .data = "\033Ow"
+	},
+	{ .key = KEYC_KP_EIGHT|KEYC_KEYPAD,
+	  .data = "\033Ox"
+	},
+	{ .key = KEYC_KP_NINE|KEYC_KEYPAD,
+	  .data = "\033Oy"
+	},
+	{ .key = KEYC_KP_PLUS|KEYC_KEYPAD,
+	  .data = "\033Ok"
+	},
+	{ .key = KEYC_KP_FOUR|KEYC_KEYPAD,
+	  .data = "\033Ot"
+	},
+	{ .key = KEYC_KP_FIVE|KEYC_KEYPAD,
+	  .data = "\033Ou"
+	},
+	{ .key = KEYC_KP_SIX|KEYC_KEYPAD,
+	  .data = "\033Ov"
+	},
+	{ .key = KEYC_KP_ONE|KEYC_KEYPAD,
+	  .data = "\033Oq"
+	},
+	{ .key = KEYC_KP_TWO|KEYC_KEYPAD,
+	  .data = "\033Or"
+	},
+	{ .key = KEYC_KP_THREE|KEYC_KEYPAD,
+	  .data = "\033Os"
+	},
+	{ .key = KEYC_KP_ENTER|KEYC_KEYPAD,
+	  .data = "\033OM"
+	},
+	{ .key = KEYC_KP_ZERO|KEYC_KEYPAD,
+	  .data = "\033Op"
+	},
+	{ .key = KEYC_KP_PERIOD|KEYC_KEYPAD,
+	  .data = "\033On"
+	},
+	{ .key = KEYC_KP_SLASH,
+	  .data = "/"
+	},
+	{ .key = KEYC_KP_STAR,
+	  .data = "*"
+	},
+	{ .key = KEYC_KP_MINUS,
+	  .data = "-"
+	},
+	{ .key = KEYC_KP_SEVEN,
+	  .data = "7"
+	},
+	{ .key = KEYC_KP_EIGHT,
+	  .data = "8"
+	},
+	{ .key = KEYC_KP_NINE,
+	  .data = "9"
+	},
+	{ .key = KEYC_KP_PLUS,
+	  .data = "+"
+	},
+	{ .key = KEYC_KP_FOUR,
+	  .data = "4"
+	},
+	{ .key = KEYC_KP_FIVE,
+	  .data = "5"
+	},
+	{ .key = KEYC_KP_SIX,
+	  .data = "6"
+	},
+	{ .key = KEYC_KP_ONE,
+	  .data = "1"
+	},
+	{ .key = KEYC_KP_TWO,
+	  .data = "2"
+	},
+	{ .key = KEYC_KP_THREE,
+	  .data = "3"
+	},
+	{ .key = KEYC_KP_ENTER,
+	  .data = "\n"
+	},
+	{ .key = KEYC_KP_ZERO,
+	  .data = "0"
+	},
+	{ .key = KEYC_KP_PERIOD,
+	  .data = "."
+	},
+
+	/* Keys with an embedded modifier. */
+	{ .key = KEYC_F1|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_P"
+	},
+	{ .key = KEYC_F2|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_Q"
+	},
+	{ .key = KEYC_F3|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_R"
+	},
+	{ .key = KEYC_F4|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_S"
+	},
+	{ .key = KEYC_F5|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[15;_~"
+	},
+	{ .key = KEYC_F6|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[17;_~"
+	},
+	{ .key = KEYC_F7|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[18;_~"
+	},
+	{ .key = KEYC_F8|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[19;_~"
+	},
+	{ .key = KEYC_F9|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[20;_~"
+	},
+	{ .key = KEYC_F10|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[21;_~"
+	},
+	{ .key = KEYC_F11|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[23;_~"
+	},
+	{ .key = KEYC_F12|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[24;_~"
+	},
+	{ .key = KEYC_UP|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_A"
+	},
+	{ .key = KEYC_DOWN|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_B"
+	},
+	{ .key = KEYC_RIGHT|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_C"
+	},
+	{ .key = KEYC_LEFT|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_D"
+	},
+	{ .key = KEYC_HOME|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_H"
+	},
+	{ .key = KEYC_END|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[1;_F"
+	},
+	{ .key = KEYC_PPAGE|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[5;_~"
+	},
+	{ .key = KEYC_NPAGE|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[6;_~"
+	},
+	{ .key = KEYC_IC|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[2;_~"
+	},
+	{ .key = KEYC_DC|KEYC_BUILD_MODIFIERS,
+	  .data = "\033[3;_~"
+	}
+};
+static const key_code input_key_modifiers[] = {
+	0,
+	0,
+	KEYC_SHIFT,
+	KEYC_META|KEYC_IMPLIED_META,
+	KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
+	KEYC_CTRL,
+	KEYC_SHIFT|KEYC_CTRL,
+	KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
+	KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL
+};
+
+/* Input key comparison function. */
+static int
+input_key_cmp(struct input_key_entry *ike1, struct input_key_entry *ike2)
+{
+	if (ike1->key < ike2->key)
+		return (-1);
+	if (ike1->key > ike2->key)
+		return (1);
+	return (0);
+}
+
+/* Look for key in tree. */
+static struct input_key_entry *
+input_key_get(key_code key)
+{
+	struct input_key_entry	entry = { .key = key };
+
+	return (RB_FIND(input_key_tree, &input_key_tree, &entry));
+}
+
+/* Split a character into two UTF-8 bytes. */
+static size_t
+input_key_split2(u_int c, u_char *dst)
+{
+	if (c > 0x7f) {
+		dst[0] = (c >> 6) | 0xc0;
+		dst[1] = (c & 0x3f) | 0x80;
+		return (2);
+	}
+	dst[0] = c;
+	return (1);
+}
+
+/* Build input key tree. */
+void
+input_key_build(void)
+{
+	struct input_key_entry	*ike, *new;
+	u_int			 i, j;
+	char			*data;
+	key_code		 key;
+
+	for (i = 0; i < nitems(input_key_defaults); i++) {
+		ike = &input_key_defaults[i];
+		if (~ike->key & KEYC_BUILD_MODIFIERS) {
+			RB_INSERT(input_key_tree, &input_key_tree, ike);
+			continue;
+		}
+
+		for (j = 2; j < nitems(input_key_modifiers); j++) {
+			key = (ike->key & ~KEYC_BUILD_MODIFIERS);
+			data = xstrdup(ike->data);
+			data[strcspn(data, "_")] = '0' + j;
+
+			new = xcalloc(1, sizeof *new);
+			new->key = key|input_key_modifiers[j];
+			new->data = data;
+			RB_INSERT(input_key_tree, &input_key_tree, new);
+		}
+	}
+
+	RB_FOREACH(ike, input_key_tree, &input_key_tree) {
+		log_debug("%s: 0x%llx (%s) is %s", __func__, ike->key,
+		    key_string_lookup_key(ike->key, 1), ike->data);
+	}
+}
+
+/* Translate a key code into an output key sequence for a pane. */
+int
+input_key_pane(struct window_pane *wp, key_code key, struct mouse_event *m)
+{
+	if (log_get_level() != 0) {
+		log_debug("writing key 0x%llx (%s) to %%%u", key,
+		    key_string_lookup_key(key, 1), wp->id);
+	}
+
+	if (KEYC_IS_MOUSE(key)) {
+		if (m != NULL && m->wp != -1 && (u_int)m->wp == wp->id)
+			input_key_mouse(wp, m);
+		return (0);
+	}
+	return (input_key(wp->screen, wp->event, key));
+}
+
+static void
+input_key_write(const char *from, struct bufferevent *bev, const char *data,
+    size_t size)
+{
+	log_debug("%s: %.*s", from, (int)size, data);
+	bufferevent_write(bev, data, size);
+}
+
+/* Translate a key code into an output key sequence. */
+int
+input_key(struct screen *s, struct bufferevent *bev, key_code key)
+{
+	struct input_key_entry	*ike;
+	key_code		 justkey, newkey, outkey, modifiers;
+	struct utf8_data	 ud;
+	char			 tmp[64], modifier;
+
+	/* Mouse keys need a pane. */
+	if (KEYC_IS_MOUSE(key))
+		return (0);
+
+	/* Literal keys go as themselves (can't be more than eight bits). */
+	if (key & KEYC_LITERAL) {
+		ud.data[0] = (u_char)key;
+		input_key_write(__func__, bev, &ud.data[0], 1);
+		return (0);
+	}
+
+	/* Is this backspace? */
+	if ((key & KEYC_MASK_KEY) == KEYC_BSPACE) {
+		newkey = options_get_number(global_options, "backspace");
+		if (newkey >= 0x7f)
+			newkey = '\177';
+		key = newkey|(key & (KEYC_MASK_MODIFIERS|KEYC_MASK_FLAGS));
+	}
+
+	/*
+	 * If this is a normal 7-bit key, just send it, with a leading escape
+	 * if necessary. If it is a UTF-8 key, split it and send it.
+	 */
+	justkey = (key & ~(KEYC_META|KEYC_IMPLIED_META));
+	if (justkey <= 0x7f) {
+		if (key & KEYC_META)
+			input_key_write(__func__, bev, "\033", 1);
+		ud.data[0] = justkey;
+		input_key_write(__func__, bev, &ud.data[0], 1);
+		return (0);
+	}
+	if (KEYC_IS_UNICODE(justkey)) {
+		if (key & KEYC_META)
+			input_key_write(__func__, bev, "\033", 1);
+		utf8_to_data(justkey, &ud);
+		input_key_write(__func__, bev, ud.data, ud.size);
+		return (0);
+	}
+
+	/*
+	 * Look up in the tree. If not in application keypad or cursor mode,
+	 * remove the flags from the key.
+	 */
+	if (~s->mode & MODE_KKEYPAD)
+		key &= ~KEYC_KEYPAD;
+	if (~s->mode & MODE_KCURSOR)
+		key &= ~KEYC_CURSOR;
+	ike = input_key_get(key);
+	if (ike == NULL && (key & KEYC_META) && (~key & KEYC_IMPLIED_META))
+		ike = input_key_get(key & ~KEYC_META);
+	if (ike == NULL && (key & KEYC_CURSOR))
+		ike = input_key_get(key & ~KEYC_CURSOR);
+	if (ike == NULL && (key & KEYC_KEYPAD))
+		ike = input_key_get(key & ~KEYC_KEYPAD);
+	if (ike != NULL) {
+		log_debug("found key 0x%llx: \"%s\"", key, ike->data);
+		if ((key & KEYC_META) && (~key & KEYC_IMPLIED_META))
+			input_key_write(__func__, bev, "\033", 1);
+		input_key_write(__func__, bev, ike->data, strlen(ike->data));
+		return (0);
+	}
+
+	/* No builtin key sequence; construct an extended key sequence. */
+	if (~s->mode & MODE_KEXTENDED) {
+		if ((key & KEYC_MASK_MODIFIERS) != KEYC_CTRL)
+			goto missing;
+		justkey = (key & KEYC_MASK_KEY);
+		switch (justkey) {
+		case ' ':
+		case '2':
+			key = 0|(key & ~KEYC_MASK_KEY);
+			break;
+		case '|':
+			key = 28|(key & ~KEYC_MASK_KEY);
+			break;
+		case '6':
+			key = 30|(key & ~KEYC_MASK_KEY);
+			break;
+		case '-':
+		case '/':
+			key = 31|(key & ~KEYC_MASK_KEY);
+			break;
+		case '?':
+			key = 127|(key & ~KEYC_MASK_KEY);
+			break;
+		default:
+			if (justkey >= 'A' && justkey <= '_')
+				key = (justkey - 'A')|(key & ~KEYC_MASK_KEY);
+			else if (justkey >= 'a' && justkey <= '~')
+				key = (justkey - 96)|(key & ~KEYC_MASK_KEY);
+			else
+				return (0);
+			break;
+		}
+		return (input_key(s, bev, key & ~KEYC_CTRL));
+	}
+	outkey = (key & KEYC_MASK_KEY);
+	modifiers = (key & KEYC_MASK_MODIFIERS);
+	if (outkey < 32 && outkey != 9 && outkey != 13 && outkey != 27) {
+		outkey = 64 + outkey;
+		modifiers |= KEYC_CTRL;
+	}
+	switch (modifiers) {
+	case KEYC_SHIFT:
+		modifier = '2';
+		break;
+	case KEYC_META:
+		modifier = '3';
+		break;
+	case KEYC_SHIFT|KEYC_META:
+		modifier = '4';
+		break;
+	case KEYC_CTRL:
+		modifier = '5';
+		break;
+	case KEYC_SHIFT|KEYC_CTRL:
+		modifier = '6';
+		break;
+	case KEYC_META|KEYC_CTRL:
+		modifier = '7';
+		break;
+	case KEYC_SHIFT|KEYC_META|KEYC_CTRL:
+		modifier = '8';
+		break;
+	default:
+		goto missing;
+	}
+	xsnprintf(tmp, sizeof tmp, "\033[%llu;%cu", outkey, modifier);
+	input_key_write(__func__, bev, tmp, strlen(tmp));
+	return (0);
+
+missing:
+	log_debug("key 0x%llx missing", key);
+	return (-1);
+}
+
+/* Get mouse event string. */
+int
+input_key_get_mouse(struct screen *s, struct mouse_event *m, u_int x, u_int y,
+    const char **rbuf, size_t *rlen)
+{
+	static char	 buf[40];
+	size_t		 len;
+
+	*rbuf = NULL;
+	*rlen = 0;
+
+	/* If this pane is not in button or all mode, discard motion events. */
+	if (MOUSE_DRAG(m->b) && (s->mode & MOTION_MOUSE_MODES) == 0)
+		return (0);
+	if ((s->mode & ALL_MOUSE_MODES) == 0)
+		return (0);
+
+	/*
+	 * If this event is a release event and not in all mode, discard it.
+	 * In SGR mode we can tell absolutely because a release is normally
+	 * shown by the last character. Without SGR, we check if the last
+	 * buttons was also a release.
+	 */
+	if (m->sgr_type != ' ') {
+		if (MOUSE_DRAG(m->sgr_b) &&
+		    MOUSE_RELEASE(m->sgr_b) &&
+		    (~s->mode & MODE_MOUSE_ALL))
+			return (0);
+	} else {
+		if (MOUSE_DRAG(m->b) &&
+		    MOUSE_RELEASE(m->b) &&
+		    MOUSE_RELEASE(m->lb) &&
+		    (~s->mode & MODE_MOUSE_ALL))
+			return (0);
+	}
+
+	/*
+	 * Use the SGR (1006) extension only if the application requested it
+	 * and the underlying terminal also sent the event in this format (this
+	 * is because an old style mouse release event cannot be converted into
+	 * the new SGR format, since the released button is unknown). Otherwise
+	 * pretend that tmux doesn't speak this extension, and fall back to the
+	 * UTF-8 (1005) extension if the application requested, or to the
+	 * legacy format.
+	 */
+	if (m->sgr_type != ' ' && (s->mode & MODE_MOUSE_SGR)) {
+		len = xsnprintf(buf, sizeof buf, "\033[<%u;%u;%u%c",
+		    m->sgr_b, x + 1, y + 1, m->sgr_type);
+	} else if (s->mode & MODE_MOUSE_UTF8) {
+		if (m->b > MOUSE_PARAM_UTF8_MAX - MOUSE_PARAM_BTN_OFF ||
+		    x > MOUSE_PARAM_UTF8_MAX - MOUSE_PARAM_POS_OFF ||
+		    y > MOUSE_PARAM_UTF8_MAX - MOUSE_PARAM_POS_OFF)
+			return (0);
+		len = xsnprintf(buf, sizeof buf, "\033[M");
+		len += input_key_split2(m->b + MOUSE_PARAM_BTN_OFF, &buf[len]);
+		len += input_key_split2(x + MOUSE_PARAM_POS_OFF, &buf[len]);
+		len += input_key_split2(y + MOUSE_PARAM_POS_OFF, &buf[len]);
+	} else {
+		if (m->b + MOUSE_PARAM_BTN_OFF > MOUSE_PARAM_MAX)
+			return (0);
+
+		len = xsnprintf(buf, sizeof buf, "\033[M");
+		buf[len++] = m->b + MOUSE_PARAM_BTN_OFF;
+
+		/*
+		 * The incoming x and y may be out of the range which can be
+		 * supported by the "normal" mouse protocol. Clamp the
+		 * coordinates to the supported range.
+		 */
+		if (x + MOUSE_PARAM_POS_OFF > MOUSE_PARAM_MAX)
+			buf[len++] = MOUSE_PARAM_MAX;
+		else
+			buf[len++] = x + MOUSE_PARAM_POS_OFF;
+		if (y + MOUSE_PARAM_POS_OFF > MOUSE_PARAM_MAX)
+			buf[len++] = MOUSE_PARAM_MAX;
+		else
+			buf[len++] = y + MOUSE_PARAM_POS_OFF;
+	}
+
+	*rbuf = buf;
+	*rlen = len;
+	return (1);
+}
+
+/* Translate mouse and output. */
+static void
+input_key_mouse(struct window_pane *wp, struct mouse_event *m)
+{
+	struct screen	*s = wp->screen;
+	u_int		 x, y;
+	const char	*buf;
+	size_t		 len;
+
+	/* Ignore events if no mouse mode or the pane is not visible. */
+	if (m->ignore || (s->mode & ALL_MOUSE_MODES) == 0)
+		return;
+	if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
+		return;
+	if (!window_pane_visible(wp))
+		return;
+	if (!input_key_get_mouse(s, m, x, y, &buf, &len))
+		return;
+	log_debug("writing mouse %.*s to %%%u", (int)len, buf, wp->id);
+	input_key_write(__func__, wp->event, buf, len);
+}