mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-08 09:14:22 +01:00
35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
318 lines
9.7 KiB
C
318 lines
9.7 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
struct utf8_width_entry {
|
|
u_int first;
|
|
u_int last;
|
|
|
|
int width;
|
|
|
|
struct utf8_width_entry *left;
|
|
struct utf8_width_entry *right;
|
|
};
|
|
|
|
/* Random order. Not optimal but it'll do for now... */
|
|
struct utf8_width_entry utf8_width_table[] = {
|
|
{ 0x00951, 0x00954, 0, NULL, NULL },
|
|
{ 0x00ccc, 0x00ccd, 0, NULL, NULL },
|
|
{ 0x0fff9, 0x0fffb, 0, NULL, NULL },
|
|
{ 0x20000, 0x2fffd, 2, NULL, NULL },
|
|
{ 0x00ebb, 0x00ebc, 0, NULL, NULL },
|
|
{ 0x01932, 0x01932, 0, NULL, NULL },
|
|
{ 0x0070f, 0x0070f, 0, NULL, NULL },
|
|
{ 0x00a70, 0x00a71, 0, NULL, NULL },
|
|
{ 0x02329, 0x02329, 2, NULL, NULL },
|
|
{ 0x00acd, 0x00acd, 0, NULL, NULL },
|
|
{ 0x00ac7, 0x00ac8, 0, NULL, NULL },
|
|
{ 0x00a3c, 0x00a3c, 0, NULL, NULL },
|
|
{ 0x009cd, 0x009cd, 0, NULL, NULL },
|
|
{ 0x00591, 0x005bd, 0, NULL, NULL },
|
|
{ 0x01058, 0x01059, 0, NULL, NULL },
|
|
{ 0x0ffe0, 0x0ffe6, 2, NULL, NULL },
|
|
{ 0x01100, 0x0115f, 2, NULL, NULL },
|
|
{ 0x0fe20, 0x0fe23, 0, NULL, NULL },
|
|
{ 0x0302a, 0x0302f, 0, NULL, NULL },
|
|
{ 0x01772, 0x01773, 0, NULL, NULL },
|
|
{ 0x005bf, 0x005bf, 0, NULL, NULL },
|
|
{ 0x006ea, 0x006ed, 0, NULL, NULL },
|
|
{ 0x00bc0, 0x00bc0, 0, NULL, NULL },
|
|
{ 0x00962, 0x00963, 0, NULL, NULL },
|
|
{ 0x01732, 0x01734, 0, NULL, NULL },
|
|
{ 0x00d41, 0x00d43, 0, NULL, NULL },
|
|
{ 0x01b42, 0x01b42, 0, NULL, NULL },
|
|
{ 0x00a41, 0x00a42, 0, NULL, NULL },
|
|
{ 0x00eb4, 0x00eb9, 0, NULL, NULL },
|
|
{ 0x00b01, 0x00b01, 0, NULL, NULL },
|
|
{ 0x00e34, 0x00e3a, 0, NULL, NULL },
|
|
{ 0x03040, 0x03098, 2, NULL, NULL },
|
|
{ 0x0093c, 0x0093c, 0, NULL, NULL },
|
|
{ 0x00c4a, 0x00c4d, 0, NULL, NULL },
|
|
{ 0x01032, 0x01032, 0, NULL, NULL },
|
|
{ 0x00f37, 0x00f37, 0, NULL, NULL },
|
|
{ 0x00901, 0x00902, 0, NULL, NULL },
|
|
{ 0x00cbf, 0x00cbf, 0, NULL, NULL },
|
|
{ 0x0a806, 0x0a806, 0, NULL, NULL },
|
|
{ 0x00dd2, 0x00dd4, 0, NULL, NULL },
|
|
{ 0x00f71, 0x00f7e, 0, NULL, NULL },
|
|
{ 0x01752, 0x01753, 0, NULL, NULL },
|
|
{ 0x1d242, 0x1d244, 0, NULL, NULL },
|
|
{ 0x005c1, 0x005c2, 0, NULL, NULL },
|
|
{ 0x0309b, 0x0a4cf, 2, NULL, NULL },
|
|
{ 0xe0100, 0xe01ef, 0, NULL, NULL },
|
|
{ 0x017dd, 0x017dd, 0, NULL, NULL },
|
|
{ 0x00600, 0x00603, 0, NULL, NULL },
|
|
{ 0x009e2, 0x009e3, 0, NULL, NULL },
|
|
{ 0x00cc6, 0x00cc6, 0, NULL, NULL },
|
|
{ 0x0a80b, 0x0a80b, 0, NULL, NULL },
|
|
{ 0x01712, 0x01714, 0, NULL, NULL },
|
|
{ 0x00b3c, 0x00b3c, 0, NULL, NULL },
|
|
{ 0x01b00, 0x01b03, 0, NULL, NULL },
|
|
{ 0x007eb, 0x007f3, 0, NULL, NULL },
|
|
{ 0xe0001, 0xe0001, 0, NULL, NULL },
|
|
{ 0x1d185, 0x1d18b, 0, NULL, NULL },
|
|
{ 0x0feff, 0x0feff, 0, NULL, NULL },
|
|
{ 0x01b36, 0x01b3a, 0, NULL, NULL },
|
|
{ 0x01920, 0x01922, 0, NULL, NULL },
|
|
{ 0x00670, 0x00670, 0, NULL, NULL },
|
|
{ 0x00f90, 0x00f97, 0, NULL, NULL },
|
|
{ 0x01927, 0x01928, 0, NULL, NULL },
|
|
{ 0x0200b, 0x0200f, 0, NULL, NULL },
|
|
{ 0x0ff00, 0x0ff60, 2, NULL, NULL },
|
|
{ 0x0f900, 0x0faff, 2, NULL, NULL },
|
|
{ 0x0fb1e, 0x0fb1e, 0, NULL, NULL },
|
|
{ 0x00cbc, 0x00cbc, 0, NULL, NULL },
|
|
{ 0x00eb1, 0x00eb1, 0, NULL, NULL },
|
|
{ 0x10a38, 0x10a3a, 0, NULL, NULL },
|
|
{ 0x007a6, 0x007b0, 0, NULL, NULL },
|
|
{ 0x00f80, 0x00f84, 0, NULL, NULL },
|
|
{ 0x005c4, 0x005c5, 0, NULL, NULL },
|
|
{ 0x0ac00, 0x0d7a3, 2, NULL, NULL },
|
|
{ 0x017c9, 0x017d3, 0, NULL, NULL },
|
|
{ 0x00d4d, 0x00d4d, 0, NULL, NULL },
|
|
{ 0x1d167, 0x1d169, 0, NULL, NULL },
|
|
{ 0x01036, 0x01037, 0, NULL, NULL },
|
|
{ 0xe0020, 0xe007f, 0, NULL, NULL },
|
|
{ 0x00f35, 0x00f35, 0, NULL, NULL },
|
|
{ 0x017b4, 0x017b5, 0, NULL, NULL },
|
|
{ 0x0206a, 0x0206f, 0, NULL, NULL },
|
|
{ 0x00c46, 0x00c48, 0, NULL, NULL },
|
|
{ 0x01939, 0x0193b, 0, NULL, NULL },
|
|
{ 0x01dc0, 0x01dca, 0, NULL, NULL },
|
|
{ 0x10a0c, 0x10a0f, 0, NULL, NULL },
|
|
{ 0x0102d, 0x01030, 0, NULL, NULL },
|
|
{ 0x017c6, 0x017c6, 0, NULL, NULL },
|
|
{ 0x00ec8, 0x00ecd, 0, NULL, NULL },
|
|
{ 0x00b41, 0x00b43, 0, NULL, NULL },
|
|
{ 0x017b7, 0x017bd, 0, NULL, NULL },
|
|
{ 0x1d173, 0x1d182, 0, NULL, NULL },
|
|
{ 0x00a47, 0x00a48, 0, NULL, NULL },
|
|
{ 0x0232a, 0x0232a, 2, NULL, NULL },
|
|
{ 0x01b3c, 0x01b3c, 0, NULL, NULL },
|
|
{ 0x10a01, 0x10a03, 0, NULL, NULL },
|
|
{ 0x00ae2, 0x00ae3, 0, NULL, NULL },
|
|
{ 0x00483, 0x00486, 0, NULL, NULL },
|
|
{ 0x0135f, 0x0135f, 0, NULL, NULL },
|
|
{ 0x01a17, 0x01a18, 0, NULL, NULL },
|
|
{ 0x006e7, 0x006e8, 0, NULL, NULL },
|
|
{ 0x03099, 0x0309a, 0, NULL, NULL },
|
|
{ 0x00b4d, 0x00b4d, 0, NULL, NULL },
|
|
{ 0x00ce2, 0x00ce3, 0, NULL, NULL },
|
|
{ 0x00bcd, 0x00bcd, 0, NULL, NULL },
|
|
{ 0x00610, 0x00615, 0, NULL, NULL },
|
|
{ 0x00f99, 0x00fbc, 0, NULL, NULL },
|
|
{ 0x009c1, 0x009c4, 0, NULL, NULL },
|
|
{ 0x00730, 0x0074a, 0, NULL, NULL },
|
|
{ 0x00300, 0x0036f, 0, NULL, NULL },
|
|
{ 0x03030, 0x0303e, 2, NULL, NULL },
|
|
{ 0x01b34, 0x01b34, 0, NULL, NULL },
|
|
{ 0x1d1aa, 0x1d1ad, 0, NULL, NULL },
|
|
{ 0x00dca, 0x00dca, 0, NULL, NULL },
|
|
{ 0x006d6, 0x006e4, 0, NULL, NULL },
|
|
{ 0x00f86, 0x00f87, 0, NULL, NULL },
|
|
{ 0x00b3f, 0x00b3f, 0, NULL, NULL },
|
|
{ 0x0fe30, 0x0fe6f, 2, NULL, NULL },
|
|
{ 0x01039, 0x01039, 0, NULL, NULL },
|
|
{ 0x0094d, 0x0094d, 0, NULL, NULL },
|
|
{ 0x00c55, 0x00c56, 0, NULL, NULL },
|
|
{ 0x00488, 0x00489, 0, NULL, NULL },
|
|
{ 0x00e47, 0x00e4e, 0, NULL, NULL },
|
|
{ 0x00a81, 0x00a82, 0, NULL, NULL },
|
|
{ 0x00ac1, 0x00ac5, 0, NULL, NULL },
|
|
{ 0x0202a, 0x0202e, 0, NULL, NULL },
|
|
{ 0x00dd6, 0x00dd6, 0, NULL, NULL },
|
|
{ 0x018a9, 0x018a9, 0, NULL, NULL },
|
|
{ 0x0064b, 0x0065e, 0, NULL, NULL },
|
|
{ 0x00abc, 0x00abc, 0, NULL, NULL },
|
|
{ 0x00b82, 0x00b82, 0, NULL, NULL },
|
|
{ 0x00f39, 0x00f39, 0, NULL, NULL },
|
|
{ 0x020d0, 0x020ef, 0, NULL, NULL },
|
|
{ 0x01dfe, 0x01dff, 0, NULL, NULL },
|
|
{ 0x30000, 0x3fffd, 2, NULL, NULL },
|
|
{ 0x00711, 0x00711, 0, NULL, NULL },
|
|
{ 0x0fe00, 0x0fe0f, 0, NULL, NULL },
|
|
{ 0x01160, 0x011ff, 0, NULL, NULL },
|
|
{ 0x0180b, 0x0180d, 0, NULL, NULL },
|
|
{ 0x10a3f, 0x10a3f, 0, NULL, NULL },
|
|
{ 0x00981, 0x00981, 0, NULL, NULL },
|
|
{ 0x0a825, 0x0a826, 0, NULL, NULL },
|
|
{ 0x00941, 0x00948, 0, NULL, NULL },
|
|
{ 0x01b6b, 0x01b73, 0, NULL, NULL },
|
|
{ 0x00e31, 0x00e31, 0, NULL, NULL },
|
|
{ 0x0fe10, 0x0fe19, 2, NULL, NULL },
|
|
{ 0x00a01, 0x00a02, 0, NULL, NULL },
|
|
{ 0x00a4b, 0x00a4d, 0, NULL, NULL },
|
|
{ 0x00f18, 0x00f19, 0, NULL, NULL },
|
|
{ 0x00fc6, 0x00fc6, 0, NULL, NULL },
|
|
{ 0x02e80, 0x03029, 2, NULL, NULL },
|
|
{ 0x00b56, 0x00b56, 0, NULL, NULL },
|
|
{ 0x009bc, 0x009bc, 0, NULL, NULL },
|
|
{ 0x005c7, 0x005c7, 0, NULL, NULL },
|
|
{ 0x02060, 0x02063, 0, NULL, NULL },
|
|
{ 0x00c3e, 0x00c40, 0, NULL, NULL },
|
|
{ 0x10a05, 0x10a06, 0, NULL, NULL },
|
|
};
|
|
|
|
struct utf8_width_entry *utf8_width_root = NULL;
|
|
|
|
int utf8_overlap(struct utf8_width_entry *, struct utf8_width_entry *);
|
|
void utf8_print(struct utf8_width_entry *, int);
|
|
u_int utf8_combine(const u_char *);
|
|
void utf8_split(u_int, u_char *);
|
|
|
|
int
|
|
utf8_overlap(
|
|
struct utf8_width_entry *item1, struct utf8_width_entry *item2)
|
|
{
|
|
if (item1->first >= item2->first && item1->first <= item2->last)
|
|
return (1);
|
|
if (item1->last >= item2->first && item1->last <= item2->last)
|
|
return (1);
|
|
if (item2->first >= item1->first && item2->first <= item1->last)
|
|
return (1);
|
|
if (item2->last >= item1->first && item2->last <= item1->last)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
utf8_build(void)
|
|
{
|
|
struct utf8_width_entry **ptr, *item, *node;
|
|
u_int i, j;
|
|
|
|
for (i = 0; i < nitems(utf8_width_table); i++) {
|
|
item = &utf8_width_table[i];
|
|
|
|
for (j = 0; j < nitems(utf8_width_table); j++) {
|
|
if (i != j && utf8_overlap(item, &utf8_width_table[j]))
|
|
log_fatalx("utf8 overlap: %u %u", i, j);
|
|
}
|
|
|
|
ptr = &utf8_width_root;
|
|
while (*ptr != NULL) {
|
|
node = *ptr;
|
|
if (item->last < node->first)
|
|
ptr = &(node->left);
|
|
else if (item->first > node->last)
|
|
ptr = &(node->right);
|
|
}
|
|
*ptr = item;
|
|
}
|
|
}
|
|
|
|
void
|
|
utf8_print(struct utf8_width_entry *node, int n)
|
|
{
|
|
log_debug("%*s%04x -> %04x", n, " ", node->first, node->last);
|
|
if (node->left != NULL)
|
|
utf8_print(node->left, n + 1);
|
|
if (node->right != NULL)
|
|
utf8_print(node->right, n + 1);
|
|
}
|
|
|
|
u_int
|
|
utf8_combine(const u_char *data)
|
|
{
|
|
u_int uvalue;
|
|
|
|
if (data[1] == 0xff)
|
|
uvalue = data[0];
|
|
else if (data[2] == 0xff) {
|
|
uvalue = data[1] & 0x3f;
|
|
uvalue |= (data[0] & 0x1f) << 6;
|
|
} else if (data[3] == 0xff) {
|
|
uvalue = data[2] & 0x3f;
|
|
uvalue |= (data[1] & 0x3f) << 6;
|
|
uvalue |= (data[0] & 0x0f) << 12;
|
|
} else {
|
|
uvalue = data[3] & 0x3f;
|
|
uvalue |= (data[2] & 0x3f) << 6;
|
|
uvalue |= (data[1] & 0x3f) << 12;
|
|
uvalue |= (data[0] & 0x3f) << 18;
|
|
}
|
|
return (uvalue);
|
|
}
|
|
|
|
void
|
|
utf8_split(u_int uvalue, u_char *data)
|
|
{
|
|
memset(data, 0xff, 4);
|
|
|
|
if (uvalue <= 0x7f)
|
|
data[0] = uvalue;
|
|
else if (uvalue > 0x7f && uvalue <= 0x7ff) {
|
|
data[0] = (uvalue >> 6) | 0xc0;
|
|
data[1] = (uvalue & 0x3f) | 0x80;
|
|
} else if (uvalue > 0x7ff && uvalue <= 0xffff) {
|
|
data[0] = (uvalue >> 12) | 0xe0;
|
|
data[1] = ((uvalue >> 6) & 0x3f) | 0x80;
|
|
data[2] = (uvalue & 0x3f) | 0x80;
|
|
} else if (uvalue > 0xffff && uvalue <= 0x10ffff) {
|
|
data[0] = (uvalue >> 18) | 0xf0;
|
|
data[1] = ((uvalue >> 12) & 0x3f) | 0x80;
|
|
data[2] = ((uvalue >> 6) & 0x3f) | 0x80;
|
|
data[3] = (uvalue & 0x3f) | 0x80;
|
|
}
|
|
}
|
|
|
|
int
|
|
utf8_width(u_char *udata)
|
|
{
|
|
struct utf8_width_entry *item;
|
|
u_int uvalue;
|
|
|
|
uvalue = utf8_combine(udata);
|
|
|
|
item = utf8_width_root;
|
|
while (item != NULL) {
|
|
if (uvalue < item->first)
|
|
item = item->left;
|
|
else if (uvalue > item->last)
|
|
item = item->right;
|
|
else
|
|
return (item->width);
|
|
}
|
|
return (1);
|
|
}
|