mirror of
https://github.com/bakkeby/st-flexipatch.git
synced 2026-04-01 00:37:55 +09:00
4060 lines
93 KiB
C
4060 lines
93 KiB
C
/* See LICENSE for license details. */
|
||
#include <ctype.h>
|
||
#include <errno.h>
|
||
#include <fcntl.h>
|
||
#include <limits.h>
|
||
#include <pwd.h>
|
||
#include <stdarg.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <signal.h>
|
||
#include <sys/ioctl.h>
|
||
#include <sys/select.h>
|
||
#include <sys/types.h>
|
||
#include <sys/wait.h>
|
||
#include <termios.h>
|
||
#include <unistd.h>
|
||
#include <wchar.h>
|
||
|
||
#include "st.h"
|
||
#include "win.h"
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
#include <assert.h>
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
#if KEYBOARDSELECT_PATCH
|
||
#include <X11/keysym.h>
|
||
#include <X11/X.h>
|
||
#endif // KEYBOARDSELECT_PATCH
|
||
|
||
#if SIXEL_PATCH
|
||
#include "sixel.h"
|
||
#endif // SIXEL_PATCH
|
||
|
||
#if defined(__linux)
|
||
#include <pty.h>
|
||
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
|
||
#include <util.h>
|
||
#elif defined(__FreeBSD__) || defined(__DragonFly__)
|
||
#include <libutil.h>
|
||
#endif
|
||
|
||
/* Arbitrary sizes */
|
||
#define UTF_INVALID 0xFFFD
|
||
#define UTF_SIZ 4
|
||
#define ESC_BUF_SIZ (128*UTF_SIZ)
|
||
#define ESC_ARG_SIZ 16
|
||
#if UNDERCURL_PATCH
|
||
#define CAR_PER_ARG 4
|
||
#endif // UNDERCURL_PATCH
|
||
#define STR_BUF_SIZ ESC_BUF_SIZ
|
||
#define STR_ARG_SIZ ESC_ARG_SIZ
|
||
|
||
/* macros */
|
||
#define IS_SET(flag) ((term.mode & (flag)) != 0)
|
||
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
|
||
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
|
||
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
|
||
#define ISDELIM(u) (u && wcschr(worddelimiters, u))
|
||
#if VIM_BROWSE_PATCH
|
||
static inline int max(int a, int b) { return a > b ? a : b; }
|
||
static inline int min(int a, int b) { return a < b ? a : b; }
|
||
#endif // VIM_BROWSE_PATCH
|
||
#if COLUMNS_REFLOW_PATCH
|
||
#define STRESCARGREST(n) ((n) == 0 ? strescseq.buf : strescseq.args[(n)-1] + 1)
|
||
#define STRESCARGJUST(n) (*(strescseq.args[n]) = '\0', STRESCARGREST(n))
|
||
#define UPDATEWRAPNEXT(alt, col) do { \
|
||
if ((term.c.state & CURSOR_WRAPNEXT) && term.c.x + term.wrapcwidth[alt] < col) { \
|
||
term.c.x += term.wrapcwidth[alt]; \
|
||
term.c.state &= ~CURSOR_WRAPNEXT; \
|
||
} \
|
||
} while (0);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
enum term_mode {
|
||
MODE_WRAP = 1 << 0,
|
||
MODE_INSERT = 1 << 1,
|
||
MODE_ALTSCREEN = 1 << 2,
|
||
MODE_CRLF = 1 << 3,
|
||
MODE_ECHO = 1 << 4,
|
||
MODE_PRINT = 1 << 5,
|
||
MODE_UTF8 = 1 << 6,
|
||
#if SIXEL_PATCH
|
||
MODE_SIXEL = 1 << 7,
|
||
#endif // SIXEL_PATCH
|
||
};
|
||
|
||
enum cursor_movement {
|
||
CURSOR_SAVE,
|
||
CURSOR_LOAD
|
||
};
|
||
|
||
enum cursor_state {
|
||
CURSOR_DEFAULT = 0,
|
||
CURSOR_WRAPNEXT = 1,
|
||
CURSOR_ORIGIN = 2
|
||
};
|
||
|
||
enum charset {
|
||
CS_GRAPHIC0,
|
||
CS_GRAPHIC1,
|
||
CS_UK,
|
||
CS_USA,
|
||
CS_MULTI,
|
||
CS_GER,
|
||
CS_FIN
|
||
};
|
||
|
||
enum escape_state {
|
||
ESC_START = 1,
|
||
ESC_CSI = 2,
|
||
ESC_STR = 4, /* DCS, OSC, PM, APC */
|
||
ESC_ALTCHARSET = 8,
|
||
ESC_STR_END = 16, /* a final string was encountered */
|
||
ESC_TEST = 32, /* Enter in test mode */
|
||
ESC_UTF8 = 64,
|
||
#if SIXEL_PATCH
|
||
ESC_DCS =128,
|
||
#endif // SIXEL_PATCH
|
||
};
|
||
|
||
typedef struct {
|
||
int mode;
|
||
int type;
|
||
int snap;
|
||
#if VIM_BROWSE_PATCH
|
||
int swap;
|
||
#endif // VIM_BROWSE_PATCH
|
||
/*
|
||
* Selection variables:
|
||
* nb – normalized coordinates of the beginning of the selection
|
||
* ne – normalized coordinates of the end of the selection
|
||
* ob – original coordinates of the beginning of the selection
|
||
* oe – original coordinates of the end of the selection
|
||
*/
|
||
struct {
|
||
int x, y;
|
||
} nb, ne, ob, oe;
|
||
|
||
int alt;
|
||
} Selection;
|
||
|
||
/* CSI Escape sequence structs */
|
||
/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
|
||
typedef struct {
|
||
char buf[ESC_BUF_SIZ]; /* raw string */
|
||
size_t len; /* raw string length */
|
||
char priv;
|
||
int arg[ESC_ARG_SIZ];
|
||
int narg; /* nb of args */
|
||
char mode[2];
|
||
#if UNDERCURL_PATCH
|
||
int carg[ESC_ARG_SIZ][CAR_PER_ARG]; /* colon args */
|
||
#endif // UNDERCURL_PATCH
|
||
} CSIEscape;
|
||
|
||
/* STR Escape sequence structs */
|
||
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
|
||
typedef struct {
|
||
char type; /* ESC type ... */
|
||
char *buf; /* allocated raw string */
|
||
size_t siz; /* allocation size */
|
||
size_t len; /* raw string length */
|
||
char *args[STR_ARG_SIZ];
|
||
int narg; /* nb of args */
|
||
} STREscape;
|
||
|
||
static void execsh(char *, char **);
|
||
static void stty(char **);
|
||
static void sigchld(int);
|
||
static void ttywriteraw(const char *, size_t);
|
||
|
||
static void csidump(void);
|
||
static void csihandle(void);
|
||
#if UNDERCURL_PATCH
|
||
static void readcolonargs(char **, int, int[][CAR_PER_ARG]);
|
||
#endif // UNDERCURL_PATCH
|
||
static void csiparse(void);
|
||
static void csireset(void);
|
||
static int eschandle(uchar);
|
||
static void strdump(void);
|
||
static void strhandle(void);
|
||
static void strparse(void);
|
||
static void strreset(void);
|
||
|
||
static void tprinter(char *, size_t);
|
||
static void tdumpsel(void);
|
||
static void tdumpline(int);
|
||
static void tdump(void);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
static void tclearregion(int, int, int, int, int);
|
||
#else
|
||
static void tclearregion(int, int, int, int);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
static void tcursor(int);
|
||
static void tdeletechar(int);
|
||
static void tdeleteline(int);
|
||
static void tinsertblank(int);
|
||
static void tinsertblankline(int);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
static int tlinelen(Line len);
|
||
#else
|
||
static int tlinelen(int);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if !VIM_BROWSE_PATCH
|
||
static void tmoveto(int, int);
|
||
#endif // VIM_BROWSE_PATCH
|
||
static void tmoveato(int, int);
|
||
static void tnewline(int);
|
||
static void tputtab(int);
|
||
static void tputc(Rune);
|
||
static void treset(void);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
static void tscrollup(int, int, int, int);
|
||
static void tscrolldown(int, int);
|
||
#elif SCROLLBACK_PATCH
|
||
static void tscrollup(int, int, int);
|
||
static void tscrolldown(int, int, int);
|
||
#else
|
||
static void tscrollup(int, int);
|
||
static void tscrolldown(int, int);
|
||
#endif // COLUMNS_REFLOW_PATCH | SCROLLBACK_PATCH
|
||
static void tsetattr(const int *, int);
|
||
static void tsetchar(Rune, const Glyph *, int, int);
|
||
static void tsetdirt(int, int);
|
||
static void tsetscroll(int, int);
|
||
static void tswapscreen(void);
|
||
static void tsetmode(int, int, const int *, int);
|
||
static int twrite(const char *, int, int);
|
||
static void tcontrolcode(uchar );
|
||
static void tdectest(char );
|
||
static void tdefutf8(char);
|
||
static int32_t tdefcolor(const int *, int *, int);
|
||
static void tdeftran(char);
|
||
static void tstrsequence(uchar);
|
||
static void selnormalize(void);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
static void selscroll(int, int, int);
|
||
#else
|
||
static void selscroll(int, int);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if !VIM_BROWSE_PATCH
|
||
static void selsnap(int *, int *, int);
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
static size_t utf8decode(const char *, Rune *, size_t);
|
||
static Rune utf8decodebyte(char, size_t *);
|
||
static char utf8encodebyte(Rune, size_t);
|
||
static size_t utf8validate(Rune *, size_t);
|
||
|
||
static char *base64dec(const char *);
|
||
static char base64dec_getc(const char **);
|
||
|
||
static ssize_t xwrite(int, const char *, size_t);
|
||
|
||
/* Globals */
|
||
static Selection sel;
|
||
static CSIEscape csiescseq;
|
||
static STREscape strescseq;
|
||
static int iofd = 1;
|
||
static int cmdfd;
|
||
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
|
||
static int csdfd;
|
||
#endif // EXTERNALPIPEIN_PATCH
|
||
static pid_t pid;
|
||
#if SIXEL_PATCH
|
||
sixel_state_t sixel_st;
|
||
#endif // SIXEL_PATCH
|
||
|
||
static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
|
||
static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
|
||
static const Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
|
||
static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
int buffCols;
|
||
extern int const buffSize;
|
||
int histOp, histMode, histOff, insertOff, altToggle, *mark;
|
||
Line *buf = NULL;
|
||
static TCursor c[3];
|
||
static inline int rows() { return IS_SET(MODE_ALTSCREEN) ? term.row : buffSize;}
|
||
static inline int rangeY(int i) { while (i < 0) i += rows(); return i % rows();}
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
#include "patch/st_include.h"
|
||
|
||
ssize_t
|
||
xwrite(int fd, const char *s, size_t len)
|
||
{
|
||
size_t aux = len;
|
||
ssize_t r;
|
||
|
||
while (len > 0) {
|
||
r = write(fd, s, len);
|
||
if (r < 0)
|
||
return r;
|
||
len -= r;
|
||
s += r;
|
||
}
|
||
|
||
return aux;
|
||
}
|
||
|
||
void *
|
||
xmalloc(size_t len)
|
||
{
|
||
void *p;
|
||
|
||
if (!(p = malloc(len)))
|
||
die("malloc: %s\n", strerror(errno));
|
||
|
||
return p;
|
||
}
|
||
|
||
void *
|
||
xrealloc(void *p, size_t len)
|
||
{
|
||
if ((p = realloc(p, len)) == NULL)
|
||
die("realloc: %s\n", strerror(errno));
|
||
|
||
return p;
|
||
}
|
||
|
||
char *
|
||
xstrdup(const char *s)
|
||
{
|
||
char *p;
|
||
if ((p = strdup(s)) == NULL)
|
||
die("strdup: %s\n", strerror(errno));
|
||
|
||
return p;
|
||
}
|
||
|
||
size_t
|
||
utf8decode(const char *c, Rune *u, size_t clen)
|
||
{
|
||
size_t i, j, len, type;
|
||
Rune udecoded;
|
||
|
||
*u = UTF_INVALID;
|
||
if (!clen)
|
||
return 0;
|
||
udecoded = utf8decodebyte(c[0], &len);
|
||
if (!BETWEEN(len, 1, UTF_SIZ))
|
||
return 1;
|
||
for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
|
||
udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
|
||
if (type != 0)
|
||
return j;
|
||
}
|
||
if (j < len)
|
||
return 0;
|
||
*u = udecoded;
|
||
utf8validate(u, len);
|
||
|
||
return len;
|
||
}
|
||
|
||
Rune
|
||
utf8decodebyte(char c, size_t *i)
|
||
{
|
||
for (*i = 0; *i < LEN(utfmask); ++(*i))
|
||
if (((uchar)c & utfmask[*i]) == utfbyte[*i])
|
||
return (uchar)c & ~utfmask[*i];
|
||
|
||
return 0;
|
||
}
|
||
|
||
size_t
|
||
utf8encode(Rune u, char *c)
|
||
{
|
||
size_t len, i;
|
||
|
||
len = utf8validate(&u, 0);
|
||
if (len > UTF_SIZ)
|
||
return 0;
|
||
|
||
for (i = len - 1; i != 0; --i) {
|
||
c[i] = utf8encodebyte(u, 0);
|
||
u >>= 6;
|
||
}
|
||
c[0] = utf8encodebyte(u, len);
|
||
|
||
return len;
|
||
}
|
||
|
||
char
|
||
utf8encodebyte(Rune u, size_t i)
|
||
{
|
||
return utfbyte[i] | (u & ~utfmask[i]);
|
||
}
|
||
|
||
size_t
|
||
utf8validate(Rune *u, size_t i)
|
||
{
|
||
if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
|
||
*u = UTF_INVALID;
|
||
for (i = 1; *u > utfmax[i]; ++i)
|
||
;
|
||
|
||
return i;
|
||
}
|
||
|
||
static const char base64_digits[] = {
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
|
||
63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
|
||
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
|
||
22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
|
||
35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||
};
|
||
|
||
char
|
||
base64dec_getc(const char **src)
|
||
{
|
||
while (**src && !isprint(**src))
|
||
(*src)++;
|
||
return **src ? *((*src)++) : '='; /* emulate padding if string ends */
|
||
}
|
||
|
||
char *
|
||
base64dec(const char *src)
|
||
{
|
||
size_t in_len = strlen(src);
|
||
char *result, *dst;
|
||
|
||
if (in_len % 4)
|
||
in_len += 4 - (in_len % 4);
|
||
result = dst = xmalloc(in_len / 4 * 3 + 1);
|
||
while (*src) {
|
||
int a = base64_digits[(unsigned char) base64dec_getc(&src)];
|
||
int b = base64_digits[(unsigned char) base64dec_getc(&src)];
|
||
int c = base64_digits[(unsigned char) base64dec_getc(&src)];
|
||
int d = base64_digits[(unsigned char) base64dec_getc(&src)];
|
||
|
||
/* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
|
||
if (a == -1 || b == -1)
|
||
break;
|
||
|
||
*dst++ = (a << 2) | ((b & 0x30) >> 4);
|
||
if (c == -1)
|
||
break;
|
||
*dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
|
||
if (d == -1)
|
||
break;
|
||
*dst++ = ((c & 0x03) << 6) | d;
|
||
}
|
||
*dst = '\0';
|
||
return result;
|
||
}
|
||
|
||
void
|
||
selinit(void)
|
||
{
|
||
sel.mode = SEL_IDLE;
|
||
sel.snap = 0;
|
||
sel.ob.x = -1;
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int
|
||
tlinelen(Line line)
|
||
{
|
||
int i = term.col - 1;
|
||
|
||
for (; i >= 0 && !(line[i].mode & (ATTR_SET | ATTR_WRAP)); i--);
|
||
return i + 1;
|
||
}
|
||
#else
|
||
int
|
||
tlinelen(int y)
|
||
{
|
||
int i = term.col;
|
||
|
||
#if SCROLLBACK_PATCH
|
||
if (TLINE(y)[i - 1].mode & ATTR_WRAP)
|
||
return i;
|
||
|
||
while (i > 0 && TLINE(y)[i - 1].u == ' ')
|
||
--i;
|
||
#else
|
||
if (term.line[y][i - 1].mode & ATTR_WRAP)
|
||
return i;
|
||
|
||
while (i > 0 && term.line[y][i - 1].u == ' ')
|
||
--i;
|
||
#endif // SCROLLBACK_PATCH
|
||
|
||
return i;
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
void historyOpToggle(int start, int paint) {
|
||
if ((!histOp == !(histOp + start)) && ((histOp += start) || 1)) return;
|
||
if (histMode && paint && (!IS_SET(MODE_ALTSCREEN) || altToggle)) draw();
|
||
tcursor(CURSOR_SAVE);
|
||
histOp += start;
|
||
if (histMode && altToggle) {
|
||
tswapscreen();
|
||
memset(term.dirty,0,sizeof(*term.dirty)*term.row);
|
||
}
|
||
tcursor(CURSOR_LOAD);
|
||
*(!IS_SET(MODE_ALTSCREEN)?&term.line:&term.alt)=&buf[histOp?histOff:insertOff];
|
||
}
|
||
|
||
void
|
||
historyModeToggle(int start)
|
||
{
|
||
if (!(histMode = (histOp = !!start))) {
|
||
selnormalize();
|
||
tfulldirt();
|
||
} else {
|
||
tcursor(CURSOR_SAVE);
|
||
histOp = 0;
|
||
histOff = insertOff;
|
||
}
|
||
}
|
||
|
||
int
|
||
historyBufferScroll(int n)
|
||
{
|
||
if (IS_SET(MODE_ALTSCREEN) || !n) return histOp;
|
||
int p=abs(n=(n<0) ? max(n,-term.row) : min(n,term.row)), r=term.row-p,
|
||
s=sizeof(*term.dirty), *ptr=histOp?&histOff:&insertOff;
|
||
if (!histMode || histOp) tfulldirt(); else {
|
||
memmove(&term.dirty[-min(n,0)], &term.dirty[max(n,0)], s*r);
|
||
memset(&term.dirty[n>0 ? r : 0], 0, s * p);
|
||
}
|
||
term.line = &buf[*ptr = (buffSize+*ptr+n) % buffSize];
|
||
// Cut part of selection removed from buffer, and update sel.ne/b.
|
||
int const prevOffBuf = sel.alt ? 0 : insertOff + term.row;
|
||
if (sel.ob.x != -1 && !histOp && n) {
|
||
int const offBuf = sel.alt ? 0 : insertOff + term.row,
|
||
pb = rangeY(sel.ob.y - prevOffBuf),
|
||
pe = rangeY(sel.oe.y - prevOffBuf);
|
||
int const b = rangeY(sel.ob.y - offBuf), nln = n < 0,
|
||
e = rangeY(sel.oe.y - offBuf), last = offBuf - nln;
|
||
if (pb != b && ((pb < b) != nln)) sel.ob.y = last;
|
||
if (pe != e && ((pe < e) != nln)) sel.oe.y = last;
|
||
if (sel.oe.y == last && sel.ob.y == last) selclear();
|
||
}
|
||
selnormalize();
|
||
// Clear the new region exposed by the shift.
|
||
if (!histOp) tclearregion(0, n>0?r+1:0, buffCols-1, n>0?term.row:p-1);
|
||
return 1;
|
||
}
|
||
|
||
int
|
||
historyMove(int x, int y, int ly)
|
||
{
|
||
historyOpToggle(1, 1);
|
||
y += ((term.c.x += x) < 0 ?term.c.x-term.col :term.c.x) / term.col;//< x
|
||
if ((term.c.x %= term.col) < 0) term.c.x += term.col;
|
||
if ((term.c.y += y) >= term.row) ly += term.c.y - term.row + 1; //< y
|
||
else if (term.c.y < 0) ly += term.c.y;
|
||
term.c.y = MIN(MAX(term.c.y, 0), term.row - 1);
|
||
// Check if scroll is necessary / arrived at top / bottom of terminal history
|
||
int t = 0, b = 0, finTop = ly < 0, finBot = ly > 0;
|
||
if (!IS_SET(MODE_ALTSCREEN)) {
|
||
b=rangeY(insertOff-histOff), t=-rangeY(-term.row-(insertOff-histOff));
|
||
finBot = ly > b, finTop=histMode&&((-ly>-t));
|
||
}
|
||
if ((finTop || finBot) && (x||y)) term.c.x = finBot ? term.col-1 : 0;
|
||
historyBufferScroll(finBot ? b : (finTop ? t : ly));
|
||
historyOpToggle(-1, 1);
|
||
return finTop || finBot;
|
||
}
|
||
|
||
void
|
||
selnormalize(void)
|
||
{
|
||
historyOpToggle(1, 1);
|
||
|
||
int const oldb = sel.nb.y, olde = sel.ne.y;
|
||
if (sel.ob.x == -1) {
|
||
sel.ne.y = sel.nb.y = -1;
|
||
} else {
|
||
int const offsetBuffer = sel.alt ? 0 : insertOff + term.row;
|
||
int const off = sel.alt ? 0 : (histMode ? histOff : insertOff);
|
||
int const nby = rangeY(sel.ob.y - off),
|
||
ney = rangeY(sel.oe.y - off);
|
||
sel.swap = rangeY(sel.ob.y - offsetBuffer)
|
||
> rangeY(sel.oe.y - offsetBuffer);
|
||
sel.nb.y = sel.swap ? ney : nby;
|
||
sel.ne.y = !sel.swap ? ney : nby;
|
||
int const cnb = sel.nb.y < term.row, cne = sel.ne.y < term.row;
|
||
if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
|
||
if (cnb) sel.nb.x = (!sel.swap) ? sel.ob.x : sel.oe.x;
|
||
if (cne) sel.ne.x = (!sel.swap) ? sel.oe.x : sel.ob.x;
|
||
} else {
|
||
if (cnb) sel.nb.x = MIN(sel.ob.x, sel.oe.x);
|
||
if (cne) sel.ne.x = MAX(sel.ob.x, sel.oe.x);
|
||
}
|
||
}
|
||
int const nBet=sel.nb.y<=sel.ne.y, oBet=oldb<=olde;
|
||
for (int i = 0; i < term.row; ++i) {
|
||
int const n = nBet ? BETWEEN(i, sel.nb.y, sel.ne.y)
|
||
: OUT(i, sel.nb.y, sel.ne.y);
|
||
term.dirty[i] |= (sel.type == SEL_RECTANGULAR && n) ||
|
||
(n != (oBet ? BETWEEN(i,oldb,olde) : OUT(i,oldb,olde)));
|
||
|
||
}
|
||
if (BETWEEN(oldb, 0, term.row - 1)) term.dirty[oldb] = 1;
|
||
if (BETWEEN(olde, 0, term.row - 1)) term.dirty[olde] = 1;
|
||
if (BETWEEN(sel.nb.y, 0, term.row - 1)) term.dirty[sel.nb.y] = 1;
|
||
if (BETWEEN(sel.ne.y, 0, term.row - 1)) term.dirty[sel.ne.y] = 1;
|
||
|
||
historyOpToggle(-1, 1);
|
||
}
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
void
|
||
selstart(int col, int row, int snap)
|
||
{
|
||
selclear();
|
||
sel.mode = SEL_EMPTY;
|
||
sel.type = SEL_REGULAR;
|
||
sel.alt = IS_SET(MODE_ALTSCREEN);
|
||
sel.snap = snap;
|
||
sel.oe.x = sel.ob.x = col;
|
||
#if VIM_BROWSE_PATCH
|
||
sel.oe.y = sel.ob.y = row + !sel.alt * (histMode ? histOff : insertOff);
|
||
if (sel.snap != 0) sel.mode = SEL_READY;
|
||
#else
|
||
sel.oe.y = sel.ob.y = row;
|
||
#endif // VIM_BROWSE_PATCH
|
||
selnormalize();
|
||
|
||
#if !VIM_BROWSE_PATCH
|
||
if (sel.snap != 0)
|
||
sel.mode = SEL_READY;
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
#endif // VIM_BROWSE_PATCH
|
||
}
|
||
|
||
void
|
||
selextend(int col, int row, int type, int done)
|
||
{
|
||
#if !VIM_BROWSE_PATCH
|
||
int oldey, oldex, oldsby, oldsey, oldtype;
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
if (sel.mode == SEL_IDLE)
|
||
return;
|
||
if (done && sel.mode == SEL_EMPTY) {
|
||
selclear();
|
||
return;
|
||
}
|
||
|
||
#if !VIM_BROWSE_PATCH
|
||
oldey = sel.oe.y;
|
||
oldex = sel.oe.x;
|
||
oldsby = sel.nb.y;
|
||
oldsey = sel.ne.y;
|
||
oldtype = sel.type;
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
sel.oe.x = col;
|
||
#if VIM_BROWSE_PATCH
|
||
sel.oe.y = row + (sel.alt ? 0 : (histMode ? histOff : insertOff));
|
||
#else
|
||
sel.oe.y = row;
|
||
#endif // VIM_BROWSE_PATCH
|
||
selnormalize();
|
||
sel.type = type;
|
||
|
||
#if !VIM_BROWSE_PATCH
|
||
if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
|
||
tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
sel.mode = done ? SEL_IDLE : SEL_READY;
|
||
}
|
||
|
||
#if !VIM_BROWSE_PATCH
|
||
void
|
||
selnormalize(void)
|
||
{
|
||
int i;
|
||
|
||
if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
|
||
sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
|
||
sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
|
||
} else {
|
||
sel.nb.x = MIN(sel.ob.x, sel.oe.x);
|
||
sel.ne.x = MAX(sel.ob.x, sel.oe.x);
|
||
}
|
||
sel.nb.y = MIN(sel.ob.y, sel.oe.y);
|
||
sel.ne.y = MAX(sel.ob.y, sel.oe.y);
|
||
|
||
selsnap(&sel.nb.x, &sel.nb.y, -1);
|
||
selsnap(&sel.ne.x, &sel.ne.y, +1);
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (sel.type == SEL_RECTANGULAR)
|
||
return;
|
||
|
||
/* expand selection over line breaks and tabs */
|
||
i = tlinelen(TLINE(sel.nb.y));
|
||
if (sel.nb.x > i)
|
||
sel.nb.x = i;
|
||
if (sel.ne.x >= tlinelen(TLINE(sel.ne.y)))
|
||
sel.ne.x = term.col - 1;
|
||
#else
|
||
/* expand selection over line breaks */
|
||
if (sel.type == SEL_RECTANGULAR)
|
||
return;
|
||
i = tlinelen(sel.nb.y);
|
||
if (i < sel.nb.x)
|
||
sel.nb.x = i;
|
||
if (tlinelen(sel.ne.y) <= sel.ne.x)
|
||
sel.ne.x = term.col - 1;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
int
|
||
selected(int x, int y)
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
return regionselected(x, y, x, y);
|
||
#else
|
||
if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
|
||
sel.alt != IS_SET(MODE_ALTSCREEN))
|
||
return 0;
|
||
|
||
if (sel.type == SEL_RECTANGULAR)
|
||
return BETWEEN(y, sel.nb.y, sel.ne.y)
|
||
&& BETWEEN(x, sel.nb.x, sel.ne.x);
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
return ((sel.nb.y > sel.ne.y) ? OUT(y, sel.nb.y, sel.ne.y)
|
||
: BETWEEN(y, sel.nb.y, sel.ne.y)) &&
|
||
(y != sel.nb.y || x >= sel.nb.x) &&
|
||
(y != sel.ne.y || x <= sel.ne.x);
|
||
#else
|
||
return BETWEEN(y, sel.nb.y, sel.ne.y)
|
||
&& (y != sel.nb.y || x >= sel.nb.x)
|
||
&& (y != sel.ne.y || x <= sel.ne.x);
|
||
#endif // VIM_BROWSE_PATCH
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
|
||
#if !VIM_BROWSE_PATCH
|
||
void
|
||
selsnap(int *x, int *y, int direction)
|
||
{
|
||
int newx, newy, xt, yt;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int rtop = 0, rbot = term.row - 1;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
int delim, prevdelim;
|
||
const Glyph *gp, *prevgp;
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (!IS_SET(MODE_ALTSCREEN))
|
||
rtop += -term.histf + term.scr, rbot += term.scr;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
switch (sel.snap) {
|
||
case SNAP_WORD:
|
||
/*
|
||
* Snap around if the word wraps around at the end or
|
||
* beginning of a line.
|
||
*/
|
||
#if SCROLLBACK_PATCH || COLUMNS_REFLOW_PATCH
|
||
prevgp = &TLINE(*y)[*x];
|
||
#else
|
||
prevgp = &term.line[*y][*x];
|
||
#endif // SCROLLBACK_PATCH
|
||
prevdelim = ISDELIM(prevgp->u);
|
||
for (;;) {
|
||
newx = *x + direction;
|
||
newy = *y;
|
||
if (!BETWEEN(newx, 0, term.col - 1)) {
|
||
newy += direction;
|
||
newx = (newx + term.col) % term.col;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (!BETWEEN(newy, rtop, rbot))
|
||
#else
|
||
if (!BETWEEN(newy, 0, term.row - 1))
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
|
||
if (direction > 0)
|
||
yt = *y, xt = *x;
|
||
else
|
||
yt = newy, xt = newx;
|
||
#if SCROLLBACK_PATCH || COLUMNS_REFLOW_PATCH
|
||
if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
|
||
#else
|
||
if (!(term.line[yt][xt].mode & ATTR_WRAP))
|
||
#endif // SCROLLBACK_PATCH
|
||
break;
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (newx >= tlinelen(TLINE(newy)))
|
||
#else
|
||
if (newx >= tlinelen(newy))
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
|
||
#if SCROLLBACK_PATCH || COLUMNS_REFLOW_PATCH
|
||
gp = &TLINE(newy)[newx];
|
||
#else
|
||
gp = &term.line[newy][newx];
|
||
#endif // SCROLLBACK_PATCH
|
||
delim = ISDELIM(gp->u);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim ||
|
||
(delim && !(gp->u == ' ' && prevgp->u == ' '))))
|
||
#else
|
||
if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|
||
|| (delim && gp->u != prevgp->u)))
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
|
||
*x = newx;
|
||
*y = newy;
|
||
prevgp = gp;
|
||
prevdelim = delim;
|
||
}
|
||
break;
|
||
case SNAP_LINE:
|
||
/*
|
||
* Snap around if the the previous line or the current one
|
||
* has set ATTR_WRAP at its end. Then the whole next or
|
||
* previous line will be selected.
|
||
*/
|
||
*x = (direction < 0) ? 0 : term.col - 1;
|
||
if (direction < 0) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
for (; *y > rtop; *y -= 1) {
|
||
if (!tiswrapped(TLINE(*y-1)))
|
||
break;
|
||
}
|
||
#else
|
||
for (; *y > 0; *y += direction) {
|
||
#if SCROLLBACK_PATCH
|
||
if (!(TLINE(*y-1)[term.col-1].mode & ATTR_WRAP))
|
||
#else
|
||
if (!(term.line[*y-1][term.col-1].mode & ATTR_WRAP))
|
||
#endif // SCROLLBACK_PATCH
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
} else if (direction > 0) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
for (; *y < rbot; *y += 1) {
|
||
if (!tiswrapped(TLINE(*y)))
|
||
break;
|
||
}
|
||
#else
|
||
for (; *y < term.row-1; *y += direction) {
|
||
#if SCROLLBACK_PATCH
|
||
if (!(TLINE(*y)[term.col-1].mode & ATTR_WRAP))
|
||
#else
|
||
if (!(term.line[*y][term.col-1].mode & ATTR_WRAP))
|
||
#endif // SCROLLBACK_PATCH
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
char *
|
||
getsel(void)
|
||
{
|
||
char *str, *ptr;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int y, lastx, linelen;
|
||
#elif VIM_BROWSE_PATCH
|
||
int y, yy, bufsize, lastx;
|
||
#else
|
||
int y, bufsize, lastx, linelen;
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH
|
||
#if COLUMNS_REFLOW_PATCH
|
||
const Glyph *gp, *lgp;
|
||
#else
|
||
const Glyph *gp, *last;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
|
||
#else
|
||
if (sel.ob.x == -1)
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
return NULL;
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
str = xmalloc((term.col + 1) * (sel.ne.y - sel.nb.y + 1) * UTF_SIZ);
|
||
ptr = str;
|
||
#elif VIM_BROWSE_PATCH
|
||
int const start = sel.swap ? sel.oe.y : sel.ob.y, h = rows();
|
||
int endy = (sel.swap ? sel.ob.y : sel.oe.y);
|
||
for (; endy < start; endy += h);
|
||
Line * const cbuf = IS_SET(MODE_ALTSCREEN) ? term.line : buf;
|
||
bufsize = (term.col+1) * (endy-start+1 ) * UTF_SIZ;
|
||
assert(bufsize > 0);
|
||
ptr = str = xmalloc(bufsize);
|
||
#else
|
||
bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
|
||
ptr = str = xmalloc(bufsize);
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH
|
||
|
||
/* append every set & selected glyph to the selection */
|
||
#if VIM_BROWSE_PATCH && !COLUMNS_REFLOW_PATCH
|
||
for (y = start; y <= endy; y++)
|
||
#else
|
||
for (y = sel.nb.y; y <= sel.ne.y; y++)
|
||
#endif // VIM_BROWSE_PATCH
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
Line line = TLINE(y);
|
||
|
||
if ((linelen = tlinelen(line)) == 0) {
|
||
*ptr++ = '\n';
|
||
continue;
|
||
}
|
||
#elif VIM_BROWSE_PATCH
|
||
yy = y % h;
|
||
#else
|
||
if ((linelen = tlinelen(y)) == 0) {
|
||
*ptr++ = '\n';
|
||
continue;
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH
|
||
|
||
if (sel.type == SEL_RECTANGULAR) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
gp = &line[sel.nb.x];
|
||
#elif VIM_BROWSE_PATCH
|
||
gp = &cbuf[yy][sel.nb.x];
|
||
#elif SCROLLBACK_PATCH
|
||
gp = &TLINE(y)[sel.nb.x];
|
||
#else
|
||
gp = &term.line[y][sel.nb.x];
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH | SCROLLBACK_PATCH
|
||
lastx = sel.ne.x;
|
||
} else {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
gp = &line[sel.nb.y == y ? sel.nb.x : 0];
|
||
#elif VIM_BROWSE_PATCH
|
||
gp = &cbuf[yy][start == y ? sel.nb.x : 0];
|
||
#elif SCROLLBACK_PATCH
|
||
gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
|
||
#else
|
||
gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH | SCROLLBACK_PATCH
|
||
#if VIM_BROWSE_PATCH && !COLUMNS_REFLOW_PATCH
|
||
lastx = (endy == y) ? sel.ne.x : term.col-1;
|
||
#else
|
||
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
|
||
#endif // VIM_BROWSE_PATCH
|
||
}
|
||
#if COLUMNS_REFLOW_PATCH
|
||
lgp = &line[MIN(lastx, linelen-1)];
|
||
ptr = tgetglyphs(ptr, gp, lgp);
|
||
#elif VIM_BROWSE_PATCH
|
||
last = &cbuf[yy][lastx];
|
||
#elif SCROLLBACK_PATCH
|
||
last = &TLINE(y)[MIN(lastx, linelen-1)];
|
||
#else
|
||
last = &term.line[y][MIN(lastx, linelen-1)];
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH | SCROLLBACK_PATCH
|
||
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
#if VIM_BROWSE_PATCH
|
||
if (!(cbuf[yy][term.col - 1].mode & ATTR_WRAP))
|
||
while (last > gp && last->u == ' ') --last;
|
||
#else
|
||
while (last >= gp && last->u == ' ')
|
||
--last;
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
for ( ; gp <= last; ++gp) {
|
||
if (gp->mode & ATTR_WDUMMY)
|
||
continue;
|
||
|
||
ptr += utf8encode(gp->u, ptr);
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
/*
|
||
* Copy and pasting of line endings is inconsistent
|
||
* in the inconsistent terminal and GUI world.
|
||
* The best solution seems like to produce '\n' when
|
||
* something is copied from st and convert '\n' to
|
||
* '\r', when something to be pasted is received by
|
||
* st.
|
||
* FIXME: Fix the computer world.
|
||
*/
|
||
if (
|
||
#if VIM_BROWSE_PATCH
|
||
(y < endy || lastx == term.col - 1)
|
||
#else
|
||
(y < sel.ne.y || lastx >= linelen)
|
||
#endif //
|
||
&& (!(lgp->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
|
||
*ptr++ = '\n';
|
||
}
|
||
#if COLUMNS_REFLOW_PATCH
|
||
*ptr = '\0';
|
||
#else
|
||
*ptr = 0;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
return str;
|
||
}
|
||
|
||
void
|
||
selclear(void)
|
||
{
|
||
if (sel.ob.x == -1)
|
||
return;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
selremove();
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
#else
|
||
sel.mode = SEL_IDLE;
|
||
sel.ob.x = -1;
|
||
#if VIM_BROWSE_PATCH
|
||
selnormalize();
|
||
#else
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
#endif // VIM_BROWSE_PATCH
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
|
||
void
|
||
die(const char *errstr, ...)
|
||
{
|
||
va_list ap;
|
||
|
||
va_start(ap, errstr);
|
||
vfprintf(stderr, errstr, ap);
|
||
va_end(ap);
|
||
exit(1);
|
||
}
|
||
|
||
void
|
||
execsh(char *cmd, char **args)
|
||
{
|
||
char *sh, *prog, *arg;
|
||
const struct passwd *pw;
|
||
|
||
errno = 0;
|
||
if ((pw = getpwuid(getuid())) == NULL) {
|
||
if (errno)
|
||
die("getpwuid: %s\n", strerror(errno));
|
||
else
|
||
die("who are you?\n");
|
||
}
|
||
|
||
if ((sh = getenv("SHELL")) == NULL)
|
||
sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
|
||
|
||
if (args) {
|
||
prog = args[0];
|
||
arg = NULL;
|
||
} else if (scroll) {
|
||
prog = scroll;
|
||
arg = utmp ? utmp : sh;
|
||
} else if (utmp) {
|
||
prog = utmp;
|
||
arg = NULL;
|
||
} else {
|
||
prog = sh;
|
||
arg = NULL;
|
||
}
|
||
DEFAULT(args, ((char *[]) {prog, arg, NULL}));
|
||
|
||
unsetenv("COLUMNS");
|
||
unsetenv("LINES");
|
||
unsetenv("TERMCAP");
|
||
setenv("LOGNAME", pw->pw_name, 1);
|
||
setenv("USER", pw->pw_name, 1);
|
||
setenv("SHELL", sh, 1);
|
||
setenv("HOME", pw->pw_dir, 1);
|
||
setenv("TERM", termname, 1);
|
||
|
||
signal(SIGCHLD, SIG_DFL);
|
||
signal(SIGHUP, SIG_DFL);
|
||
signal(SIGINT, SIG_DFL);
|
||
signal(SIGQUIT, SIG_DFL);
|
||
signal(SIGTERM, SIG_DFL);
|
||
signal(SIGALRM, SIG_DFL);
|
||
|
||
execvp(prog, args);
|
||
_exit(1);
|
||
}
|
||
|
||
void
|
||
sigchld(int a)
|
||
{
|
||
int stat;
|
||
pid_t p;
|
||
|
||
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
|
||
if ((p = waitpid((extpipeactive ? -1 : pid), &stat, WNOHANG)) < 0)
|
||
#else
|
||
if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
|
||
#endif // EXTERNALPIPEIN_PATCH
|
||
die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
|
||
|
||
#if EXTERNALPIPE_PATCH
|
||
if (pid != p) {
|
||
if (!extpipeactive)
|
||
return;
|
||
|
||
if (p == 0 && wait(&stat) < 0)
|
||
die("wait: %s\n", strerror(errno));
|
||
|
||
/* reinstall sigchld handler */
|
||
signal(SIGCHLD, sigchld);
|
||
extpipeactive = 0;
|
||
return;
|
||
}
|
||
#else
|
||
if (pid != p)
|
||
return;
|
||
#endif // EXTERNALPIPE_PATCH
|
||
|
||
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
|
||
close(csdfd);
|
||
#endif // EXTERNALPIPEIN_PATCH
|
||
|
||
if (WIFEXITED(stat) && WEXITSTATUS(stat))
|
||
die("child exited with status %d\n", WEXITSTATUS(stat));
|
||
else if (WIFSIGNALED(stat))
|
||
die("child terminated due to signal %d\n", WTERMSIG(stat));
|
||
_exit(0);
|
||
}
|
||
|
||
void
|
||
stty(char **args)
|
||
{
|
||
char cmd[_POSIX_ARG_MAX], **p, *q, *s;
|
||
size_t n, siz;
|
||
|
||
if ((n = strlen(stty_args)) > sizeof(cmd)-1)
|
||
die("incorrect stty parameters\n");
|
||
memcpy(cmd, stty_args, n);
|
||
q = cmd + n;
|
||
siz = sizeof(cmd) - n;
|
||
for (p = args; p && (s = *p); ++p) {
|
||
if ((n = strlen(s)) > siz-1)
|
||
die("stty parameter length too long\n");
|
||
*q++ = ' ';
|
||
memcpy(q, s, n);
|
||
q += n;
|
||
siz -= n + 1;
|
||
}
|
||
*q = '\0';
|
||
if (system(cmd) != 0)
|
||
perror("Couldn't call stty");
|
||
}
|
||
|
||
int
|
||
ttynew(const char *line, char *cmd, const char *out, char **args)
|
||
{
|
||
int m, s;
|
||
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
|
||
struct sigaction sa;
|
||
#endif // EXTERNALPIPEIN_PATCH
|
||
|
||
if (out) {
|
||
term.mode |= MODE_PRINT;
|
||
iofd = (!strcmp(out, "-")) ?
|
||
1 : open(out, O_WRONLY | O_CREAT, 0666);
|
||
if (iofd < 0) {
|
||
fprintf(stderr, "Error opening %s:%s\n",
|
||
out, strerror(errno));
|
||
}
|
||
}
|
||
|
||
if (line) {
|
||
if ((cmdfd = open(line, O_RDWR)) < 0)
|
||
die("open line '%s' failed: %s\n",
|
||
line, strerror(errno));
|
||
dup2(cmdfd, 0);
|
||
stty(args);
|
||
return cmdfd;
|
||
}
|
||
|
||
/* seems to work fine on linux, openbsd and freebsd */
|
||
if (openpty(&m, &s, NULL, NULL, NULL) < 0)
|
||
die("openpty failed: %s\n", strerror(errno));
|
||
|
||
switch (pid = fork()) {
|
||
case -1:
|
||
die("fork failed: %s\n", strerror(errno));
|
||
break;
|
||
case 0:
|
||
close(iofd);
|
||
close(m);
|
||
setsid(); /* create a new process group */
|
||
dup2(s, 0);
|
||
dup2(s, 1);
|
||
dup2(s, 2);
|
||
if (ioctl(s, TIOCSCTTY, NULL) < 0)
|
||
die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
|
||
close(s);
|
||
close(m);
|
||
if (s > 2)
|
||
close(s);
|
||
#ifdef __OpenBSD__
|
||
if (pledge("stdio getpw proc exec", NULL) == -1)
|
||
die("pledge\n");
|
||
#endif
|
||
execsh(cmd, args);
|
||
break;
|
||
default:
|
||
#ifdef __OpenBSD__
|
||
#if RIGHTCLICKTOPLUMB_PATCH || OPENCOPIED_PATCH
|
||
if (pledge("stdio rpath tty proc ps exec", NULL) == -1)
|
||
#else
|
||
if (pledge("stdio rpath tty proc", NULL) == -1)
|
||
#endif // RIGHTCLICKTOPLUMB_PATCH
|
||
die("pledge\n");
|
||
#endif
|
||
close(s);
|
||
cmdfd = m;
|
||
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
|
||
csdfd = s;
|
||
memset(&sa, 0, sizeof(sa));
|
||
sigemptyset(&sa.sa_mask);
|
||
sa.sa_handler = sigchld;
|
||
sigaction(SIGCHLD, &sa, NULL);
|
||
#else
|
||
signal(SIGCHLD, sigchld);
|
||
#endif // EXTERNALPIPEIN_PATCH
|
||
break;
|
||
}
|
||
return cmdfd;
|
||
}
|
||
|
||
size_t
|
||
ttyread(void)
|
||
{
|
||
static char buf[BUFSIZ];
|
||
static int buflen = 0;
|
||
int ret, written;
|
||
|
||
/* append read bytes to unprocessed bytes */
|
||
#if SYNC_PATCH
|
||
ret = twrite_aborted ? 1 : read(cmdfd, buf+buflen, LEN(buf)-buflen);
|
||
#else
|
||
ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
|
||
#endif // SYNC_PATCH
|
||
|
||
switch (ret) {
|
||
case 0:
|
||
exit(0);
|
||
case -1:
|
||
die("couldn't read from shell: %s\n", strerror(errno));
|
||
default:
|
||
#if SYNC_PATCH
|
||
buflen += twrite_aborted ? 0 : ret;
|
||
#else
|
||
buflen += ret;
|
||
#endif // SYNC_PATCH
|
||
written = twrite(buf, buflen, 0);
|
||
buflen -= written;
|
||
/* keep any incomplete UTF-8 byte sequence for the next call */
|
||
if (buflen > 0)
|
||
memmove(buf, buf + written, buflen);
|
||
return ret;
|
||
}
|
||
}
|
||
|
||
void
|
||
ttywrite(const char *s, size_t n, int may_echo)
|
||
{
|
||
const char *next;
|
||
#if SCROLLBACK_PATCH
|
||
kscrolldown(&((Arg){ .i = term.scr }));
|
||
#endif // SCROLLBACK_PATCH
|
||
|
||
if (may_echo && IS_SET(MODE_ECHO))
|
||
twrite(s, n, 1);
|
||
|
||
if (!IS_SET(MODE_CRLF)) {
|
||
ttywriteraw(s, n);
|
||
return;
|
||
}
|
||
|
||
/* This is similar to how the kernel handles ONLCR for ttys */
|
||
while (n > 0) {
|
||
if (*s == '\r') {
|
||
next = s + 1;
|
||
ttywriteraw("\r\n", 2);
|
||
} else {
|
||
next = memchr(s, '\r', n);
|
||
DEFAULT(next, s + n);
|
||
ttywriteraw(s, next - s);
|
||
}
|
||
n -= next - s;
|
||
s = next;
|
||
}
|
||
}
|
||
|
||
void
|
||
ttywriteraw(const char *s, size_t n)
|
||
{
|
||
fd_set wfd, rfd;
|
||
ssize_t r;
|
||
size_t lim = 256;
|
||
|
||
/*
|
||
* Remember that we are using a pty, which might be a modem line.
|
||
* Writing too much will clog the line. That's why we are doing this
|
||
* dance.
|
||
* FIXME: Migrate the world to Plan 9.
|
||
*/
|
||
while (n > 0) {
|
||
FD_ZERO(&wfd);
|
||
FD_ZERO(&rfd);
|
||
FD_SET(cmdfd, &wfd);
|
||
FD_SET(cmdfd, &rfd);
|
||
|
||
/* Check if we can write. */
|
||
if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
|
||
if (errno == EINTR)
|
||
continue;
|
||
die("select failed: %s\n", strerror(errno));
|
||
}
|
||
if (FD_ISSET(cmdfd, &wfd)) {
|
||
/*
|
||
* Only write the bytes written by ttywrite() or the
|
||
* default of 256. This seems to be a reasonable value
|
||
* for a serial line. Bigger values might clog the I/O.
|
||
*/
|
||
if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
|
||
goto write_error;
|
||
if (r < n) {
|
||
/*
|
||
* We weren't able to write out everything.
|
||
* This means the buffer is getting full
|
||
* again. Empty it.
|
||
*/
|
||
if (n < lim)
|
||
lim = ttyread();
|
||
n -= r;
|
||
s += r;
|
||
} else {
|
||
/* All bytes have been written. */
|
||
break;
|
||
}
|
||
}
|
||
if (FD_ISSET(cmdfd, &rfd))
|
||
lim = ttyread();
|
||
}
|
||
return;
|
||
|
||
write_error:
|
||
die("write error on tty: %s\n", strerror(errno));
|
||
}
|
||
|
||
void
|
||
ttyresize(int tw, int th)
|
||
{
|
||
struct winsize w;
|
||
|
||
w.ws_row = term.row;
|
||
w.ws_col = term.col;
|
||
w.ws_xpixel = tw;
|
||
w.ws_ypixel = th;
|
||
if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
|
||
fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
|
||
}
|
||
|
||
void
|
||
ttyhangup()
|
||
{
|
||
/* Send SIGHUP to shell */
|
||
kill(pid, SIGHUP);
|
||
}
|
||
|
||
int
|
||
tattrset(int attr)
|
||
{
|
||
int i, j;
|
||
|
||
for (i = 0; i < term.row-1; i++) {
|
||
for (j = 0; j < term.col-1; j++) {
|
||
if (term.line[i][j].mode & attr)
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
void
|
||
tsetdirt(int top, int bot)
|
||
{
|
||
int i;
|
||
|
||
LIMIT(top, 0, term.row-1);
|
||
LIMIT(bot, 0, term.row-1);
|
||
|
||
for (i = top; i <= bot; i++)
|
||
term.dirty[i] = 1;
|
||
}
|
||
|
||
void
|
||
tsetdirtattr(int attr)
|
||
{
|
||
int i, j;
|
||
|
||
for (i = 0; i < term.row-1; i++) {
|
||
for (j = 0; j < term.col-1; j++) {
|
||
if (term.line[i][j].mode & attr) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
term.dirty[i] = 1;
|
||
#else
|
||
tsetdirt(i, i);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
tfulldirt(void)
|
||
{
|
||
#if SYNC_PATCH
|
||
tsync_end();
|
||
#endif // SYNC_PATCH
|
||
#if COLUMNS_REFLOW_PATCH
|
||
memset(term.dirty, 1, term.row * sizeof(*term.dirty));
|
||
#else
|
||
tsetdirt(0, term.row-1);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
|
||
void
|
||
tcursor(int mode)
|
||
{
|
||
#if VIM_BROWSE_PATCH
|
||
int alt = (histOp) ? 0 : (IS_SET(MODE_ALTSCREEN) + 1);
|
||
#else
|
||
static TCursor c[2];
|
||
int alt = IS_SET(MODE_ALTSCREEN);
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
if (mode == CURSOR_SAVE) {
|
||
c[alt] = term.c;
|
||
} else if (mode == CURSOR_LOAD) {
|
||
term.c = c[alt];
|
||
tmoveto(c[alt].x, c[alt].y);
|
||
}
|
||
}
|
||
|
||
void
|
||
treset(void)
|
||
{
|
||
uint i;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int x, y;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if SIXEL_PATCH
|
||
ImageList *im;
|
||
#endif // SIXEL_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tresetcursor();
|
||
#else
|
||
term.c = (TCursor){{
|
||
.mode = ATTR_NULL,
|
||
.fg = defaultfg,
|
||
.bg = defaultbg
|
||
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
|
||
for (i = tabspaces; i < term.col; i += tabspaces)
|
||
term.tabs[i] = 1;
|
||
term.top = 0;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
term.histf = 0;
|
||
term.scr = 0;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
term.bot = term.row - 1;
|
||
term.mode = MODE_WRAP|MODE_UTF8;
|
||
memset(term.trantbl, CS_USA, sizeof(term.trantbl));
|
||
term.charset = 0;
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
selremove();
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
for (i = 0; i < 2; i++) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tcursor(CURSOR_SAVE);
|
||
for (y = 0; y < term.row; y++)
|
||
for (x = 0; x < term.col; x++)
|
||
tclearglyph(&term.line[y][x], 0);
|
||
tswapscreen();
|
||
#else
|
||
tmoveto(0, 0);
|
||
tcursor(CURSOR_SAVE);
|
||
tclearregion(0, 0, term.col-1, term.row-1);
|
||
tswapscreen();
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tfulldirt();
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if SIXEL_PATCH
|
||
for (im = term.images; im; im = im->next)
|
||
im->should_delete = 1;
|
||
#endif // SIXEL_PATCH
|
||
}
|
||
|
||
void
|
||
tnew(int col, int row)
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int i, j;
|
||
|
||
for (i = 0; i < 2; i++) {
|
||
term.line = xmalloc(row * sizeof(Line));
|
||
for (j = 0; j < row; j++)
|
||
term.line[j] = xmalloc(col * sizeof(Glyph));
|
||
term.col = col, term.row = row;
|
||
tswapscreen();
|
||
}
|
||
term.dirty = xmalloc(row * sizeof(*term.dirty));
|
||
term.tabs = xmalloc(col * sizeof(*term.tabs));
|
||
for (i = 0; i < HISTSIZE; i++)
|
||
term.hist[i] = xmalloc(col * sizeof(Glyph));
|
||
treset();
|
||
#else
|
||
term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
|
||
tresize(col, row);
|
||
treset();
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
|
||
void
|
||
tswapscreen(void)
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
static Line *altline;
|
||
Line *tmpline = term.line;
|
||
static int altcol, altrow;
|
||
int tmpcol = term.col, tmprow = term.row;
|
||
#else
|
||
Line *tmp = term.line;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if SIXEL_PATCH
|
||
ImageList *im = term.images;
|
||
#endif // SIXEL_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
term.line = altline;
|
||
term.col = altcol, term.row = altrow;
|
||
altline = tmpline;
|
||
altcol = tmpcol, altrow = tmprow;
|
||
#else
|
||
term.line = term.alt;
|
||
term.alt = tmp;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if SIXEL_PATCH
|
||
term.images = term.images_alt;
|
||
term.images_alt = im;
|
||
#endif // SIXEL_PATCH
|
||
term.mode ^= MODE_ALTSCREEN;
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
tfulldirt();
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
|
||
void
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrolldown(int top, int n)
|
||
#elif SCROLLBACK_PATCH
|
||
tscrolldown(int orig, int n, int copyhist)
|
||
#else
|
||
tscrolldown(int orig, int n)
|
||
#endif // COLUMNS_REFLOW_PATCH | SCROLLBACK_PATCH
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int bot = term.bot;
|
||
#elif VIM_BROWSE_PATCH
|
||
if (!orig && historyBufferScroll(-n))
|
||
return;
|
||
#endif // COLUMNS_REFLOW_PATCH | VIM_BROWSE_PATCH
|
||
int i;
|
||
Line temp;
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (n <= 0)
|
||
return;
|
||
n = MIN(n, bot-top+1);
|
||
tsetdirt(top, bot-n);
|
||
tclearregion(0, bot-n+1, term.col-1, bot, 1);
|
||
#else
|
||
LIMIT(n, 0, term.bot-orig+1);
|
||
|
||
#if SCROLLBACK_PATCH
|
||
if (copyhist) {
|
||
term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
|
||
temp = term.hist[term.histi];
|
||
term.hist[term.histi] = term.line[term.bot];
|
||
term.line[term.bot] = temp;
|
||
}
|
||
#endif // SCROLLBACK_PATCH
|
||
|
||
tsetdirt(orig, term.bot-n);
|
||
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
for (i = bot; i >= top+n; i--)
|
||
#else
|
||
for (i = term.bot; i >= orig+n; i--)
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
{
|
||
temp = term.line[i];
|
||
term.line[i] = term.line[i-n];
|
||
term.line[i-n] = temp;
|
||
}
|
||
|
||
#if SIXEL_PATCH
|
||
scroll_images(n);
|
||
#endif // SIXEL_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN))
|
||
selscroll(top, bot, n);
|
||
#elif SCROLLBACK_PATCH
|
||
if (term.scr == 0)
|
||
selscroll(orig, n);
|
||
#else
|
||
selscroll(orig, n);
|
||
#endif // SCROLLBACK_PATCH
|
||
}
|
||
|
||
void
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrollup(int top, int bot, int n, int mode)
|
||
#elif SCROLLBACK_PATCH
|
||
tscrollup(int orig, int n, int copyhist)
|
||
#else
|
||
tscrollup(int orig, int n)
|
||
#endif // COLUMNS_REFLOW_PATCH | SCROLLBACK_PATCH
|
||
{
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int j, s;
|
||
int alt = IS_SET(MODE_ALTSCREEN);
|
||
int savehist = !alt && top == 0 && mode != SCROLL_NOSAVEHIST;
|
||
#elif VIM_BROWSE_PATCH
|
||
if (!orig && historyBufferScroll(n))
|
||
return;
|
||
#endif // VIM_BROWSE_PATCH
|
||
int i;
|
||
Line temp;
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (n <= 0)
|
||
return;
|
||
n = MIN(n, bot-top+1);
|
||
|
||
if (savehist) {
|
||
for (i = 0; i < n; i++) {
|
||
term.histi = (term.histi + 1) % HISTSIZE;
|
||
temp = term.hist[term.histi];
|
||
for (j = 0; j < term.col; j++)
|
||
tclearglyph(&temp[j], 1);
|
||
term.hist[term.histi] = term.line[i];
|
||
term.line[i] = temp;
|
||
}
|
||
term.histf = MIN(term.histf + n, HISTSIZE);
|
||
s = n;
|
||
if (term.scr) {
|
||
j = term.scr;
|
||
term.scr = MIN(j + n, HISTSIZE);
|
||
s = j + n - term.scr;
|
||
}
|
||
if (mode != SCROLL_RESIZE)
|
||
tfulldirt();
|
||
} else {
|
||
tclearregion(0, top, term.col-1, top+n-1, 1);
|
||
tsetdirt(top+n, bot);
|
||
}
|
||
#else
|
||
LIMIT(n, 0, term.bot-orig+1);
|
||
|
||
#if SCROLLBACK_PATCH
|
||
if (copyhist) {
|
||
term.histi = (term.histi + 1) % HISTSIZE;
|
||
temp = term.hist[term.histi];
|
||
term.hist[term.histi] = term.line[orig];
|
||
term.line[orig] = temp;
|
||
}
|
||
|
||
if (term.scr > 0 && term.scr < HISTSIZE)
|
||
term.scr = MIN(term.scr + n, HISTSIZE-1);
|
||
#endif // SCROLLBACK_PATCH
|
||
|
||
tclearregion(0, orig, term.col-1, orig+n-1);
|
||
tsetdirt(orig+n, term.bot);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
for (i = top; i <= bot-n; i++)
|
||
#else
|
||
for (i = orig; i <= term.bot-n; i++)
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
{
|
||
temp = term.line[i];
|
||
term.line[i] = term.line[i+n];
|
||
term.line[i+n] = temp;
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (sel.ob.x != -1 && sel.alt == alt) {
|
||
if (!savehist) {
|
||
selscroll(top, bot, -n);
|
||
} else if (s > 0) {
|
||
selmove(-s);
|
||
if (-term.scr + sel.nb.y < -term.histf)
|
||
selremove();
|
||
}
|
||
} else {
|
||
#if SIXEL_PATCH
|
||
scroll_images(-1 * n);
|
||
#endif // SIXEL_PATCH
|
||
}
|
||
#elif SCROLLBACK_PATCH
|
||
if (term.scr == 0)
|
||
selscroll(orig, -n);
|
||
#if SIXEL_PATCH
|
||
scroll_images(-1 * n);
|
||
#endif // SIXEL_PATCH
|
||
#else
|
||
selscroll(orig, -n);
|
||
#if SIXEL_PATCH
|
||
scroll_images(-1 * n);
|
||
#endif // SIXEL_PATCH
|
||
#endif // SCROLLBACK_PATCH
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
selscroll(int top, int bot, int n)
|
||
{
|
||
/* turn absolute coordinates into relative */
|
||
top += term.scr, bot += term.scr;
|
||
|
||
if (BETWEEN(sel.nb.y, top, bot) != BETWEEN(sel.ne.y, top, bot)) {
|
||
selclear();
|
||
} else if (BETWEEN(sel.nb.y, top, bot)) {
|
||
selmove(n);
|
||
if (sel.nb.y < top || sel.ne.y > bot)
|
||
selclear();
|
||
}
|
||
}
|
||
#else
|
||
void
|
||
selscroll(int orig, int n)
|
||
{
|
||
if (sel.ob.x == -1)
|
||
return;
|
||
|
||
if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
|
||
selclear();
|
||
} else if (BETWEEN(sel.nb.y, orig, term.bot)) {
|
||
sel.ob.y += n;
|
||
sel.oe.y += n;
|
||
if (sel.ob.y < term.top || sel.ob.y > term.bot ||
|
||
sel.oe.y < term.top || sel.oe.y > term.bot) {
|
||
selclear();
|
||
} else {
|
||
selnormalize();
|
||
}
|
||
}
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
void
|
||
tnewline(int first_col)
|
||
{
|
||
int y = term.c.y;
|
||
|
||
if (y == term.bot) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST);
|
||
#elif SCROLLBACK_PATCH
|
||
tscrollup(term.top, 1, 1);
|
||
#else
|
||
tscrollup(term.top, 1);
|
||
#endif // SCROLLBACK_PATCH
|
||
} else {
|
||
y++;
|
||
}
|
||
tmoveto(first_col ? 0 : term.c.x, y);
|
||
}
|
||
|
||
#if UNDERCURL_PATCH
|
||
void
|
||
readcolonargs(char **p, int cursor, int params[][CAR_PER_ARG])
|
||
{
|
||
int i = 0;
|
||
for (; i < CAR_PER_ARG; i++)
|
||
params[cursor][i] = -1;
|
||
|
||
if (**p != ':')
|
||
return;
|
||
|
||
char *np = NULL;
|
||
i = 0;
|
||
|
||
while (**p == ':' && i < CAR_PER_ARG) {
|
||
while (**p == ':')
|
||
(*p)++;
|
||
params[cursor][i] = strtol(*p, &np, 10);
|
||
*p = np;
|
||
i++;
|
||
}
|
||
}
|
||
#endif // UNDERCURL_PATCH
|
||
|
||
void
|
||
csiparse(void)
|
||
{
|
||
char *p = csiescseq.buf, *np;
|
||
long int v;
|
||
|
||
csiescseq.narg = 0;
|
||
if (*p == '?') {
|
||
csiescseq.priv = 1;
|
||
p++;
|
||
}
|
||
|
||
csiescseq.buf[csiescseq.len] = '\0';
|
||
while (p < csiescseq.buf+csiescseq.len) {
|
||
np = NULL;
|
||
v = strtol(p, &np, 10);
|
||
if (np == p)
|
||
v = 0;
|
||
if (v == LONG_MAX || v == LONG_MIN)
|
||
v = -1;
|
||
csiescseq.arg[csiescseq.narg++] = v;
|
||
p = np;
|
||
#if UNDERCURL_PATCH
|
||
readcolonargs(&p, csiescseq.narg-1, csiescseq.carg);
|
||
#endif // UNDERCURL_PATCH
|
||
if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
|
||
break;
|
||
p++;
|
||
}
|
||
csiescseq.mode[0] = *p++;
|
||
csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
|
||
}
|
||
|
||
/* for absolute user moves, when decom is set */
|
||
void
|
||
tmoveato(int x, int y)
|
||
{
|
||
tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
|
||
}
|
||
|
||
void
|
||
tmoveto(int x, int y)
|
||
{
|
||
int miny, maxy;
|
||
|
||
if (term.c.state & CURSOR_ORIGIN) {
|
||
miny = term.top;
|
||
maxy = term.bot;
|
||
} else {
|
||
miny = 0;
|
||
maxy = term.row - 1;
|
||
}
|
||
term.c.state &= ~CURSOR_WRAPNEXT;
|
||
term.c.x = LIMIT(x, 0, term.col-1);
|
||
term.c.y = LIMIT(y, miny, maxy);
|
||
}
|
||
|
||
void
|
||
tsetchar(Rune u, const Glyph *attr, int x, int y)
|
||
{
|
||
static const char *vt100_0[62] = { /* 0x41 - 0x7e */
|
||
"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
|
||
0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
|
||
0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
|
||
0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
|
||
"◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
|
||
"", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
|
||
"⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
|
||
"│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
|
||
};
|
||
|
||
/*
|
||
* The table is proudly stolen from rxvt.
|
||
*/
|
||
if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
|
||
BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
|
||
utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
|
||
|
||
if (term.line[y][x].mode & ATTR_WIDE) {
|
||
if (x+1 < term.col) {
|
||
term.line[y][x+1].u = ' ';
|
||
term.line[y][x+1].mode &= ~ATTR_WDUMMY;
|
||
}
|
||
} else if (term.line[y][x].mode & ATTR_WDUMMY) {
|
||
term.line[y][x-1].u = ' ';
|
||
term.line[y][x-1].mode &= ~ATTR_WIDE;
|
||
}
|
||
|
||
term.dirty[y] = 1;
|
||
term.line[y][x] = *attr;
|
||
term.line[y][x].u = u;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
term.line[y][x].mode |= ATTR_SET;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if BOXDRAW_PATCH
|
||
if (isboxdraw(u))
|
||
term.line[y][x].mode |= ATTR_BOXDRAW;
|
||
#endif // BOXDRAW_PATCH
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
tclearregion(int x1, int y1, int x2, int y2, int usecurattr)
|
||
{
|
||
int x, y;
|
||
|
||
/* regionselected() takes relative coordinates */
|
||
if (regionselected(x1+term.scr, y1+term.scr, x2+term.scr, y2+term.scr))
|
||
selremove();
|
||
|
||
for (y = y1; y <= y2; y++) {
|
||
term.dirty[y] = 1;
|
||
for (x = x1; x <= x2; x++)
|
||
tclearglyph(&term.line[y][x], usecurattr);
|
||
}
|
||
}
|
||
#else
|
||
void
|
||
tclearregion(int x1, int y1, int x2, int y2)
|
||
{
|
||
int x, y, temp;
|
||
Glyph *gp;
|
||
|
||
if (x1 > x2)
|
||
temp = x1, x1 = x2, x2 = temp;
|
||
if (y1 > y2)
|
||
temp = y1, y1 = y2, y2 = temp;
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
LIMIT(x1, 0, buffCols-1);
|
||
LIMIT(x2, 0, buffCols-1);
|
||
#elif COLUMNS_PATCH
|
||
LIMIT(x1, 0, term.maxcol-1);
|
||
LIMIT(x2, 0, term.maxcol-1);
|
||
#else
|
||
LIMIT(x1, 0, term.col-1);
|
||
LIMIT(x2, 0, term.col-1);
|
||
#endif // VIM_BROWSE_PATCH
|
||
LIMIT(y1, 0, term.row-1);
|
||
LIMIT(y2, 0, term.row-1);
|
||
|
||
for (y = y1; y <= y2; y++) {
|
||
term.dirty[y] = 1;
|
||
for (x = x1; x <= x2; x++) {
|
||
gp = &term.line[y][x];
|
||
if (selected(x, y))
|
||
selclear();
|
||
gp->fg = term.c.attr.fg;
|
||
gp->bg = term.c.attr.bg;
|
||
gp->mode = 0;
|
||
gp->u = ' ';
|
||
}
|
||
}
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
tdeletechar(int n)
|
||
{
|
||
int src, dst, size;
|
||
Line line;
|
||
|
||
if (n <= 0)
|
||
return;
|
||
dst = term.c.x;
|
||
src = MIN(term.c.x + n, term.col);
|
||
size = term.col - src;
|
||
if (size > 0) { /* otherwise src would point beyond the array
|
||
https://stackoverflow.com/questions/29844298 */
|
||
line = term.line[term.c.y];
|
||
memmove(&line[dst], &line[src], size * sizeof(Glyph));
|
||
}
|
||
tclearregion(dst + size, term.c.y, term.col - 1, term.c.y, 1);
|
||
}
|
||
#else
|
||
void
|
||
tdeletechar(int n)
|
||
{
|
||
int dst, src, size;
|
||
Glyph *line;
|
||
|
||
LIMIT(n, 0, term.col - term.c.x);
|
||
|
||
dst = term.c.x;
|
||
src = term.c.x + n;
|
||
size = term.col - src;
|
||
line = term.line[term.c.y];
|
||
|
||
memmove(&line[dst], &line[src], size * sizeof(Glyph));
|
||
tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
tinsertblank(int n)
|
||
{
|
||
int src, dst, size;
|
||
Line line;
|
||
|
||
if (n <= 0)
|
||
return;
|
||
dst = MIN(term.c.x + n, term.col);
|
||
src = term.c.x;
|
||
size = term.col - dst;
|
||
if (size > 0) { /* otherwise dst would point beyond the array */
|
||
line = term.line[term.c.y];
|
||
memmove(&line[dst], &line[src], size * sizeof(Glyph));
|
||
}
|
||
tclearregion(src, term.c.y, dst - 1, term.c.y, 1);
|
||
}
|
||
#else
|
||
void
|
||
tinsertblank(int n)
|
||
{
|
||
int dst, src, size;
|
||
Glyph *line;
|
||
|
||
LIMIT(n, 0, term.col - term.c.x);
|
||
|
||
dst = term.c.x + n;
|
||
src = term.c.x;
|
||
size = term.col - dst;
|
||
line = term.line[term.c.y];
|
||
|
||
memmove(&line[dst], &line[src], size * sizeof(Glyph));
|
||
tclearregion(src, term.c.y, dst - 1, term.c.y);
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
void
|
||
tinsertblankline(int n)
|
||
{
|
||
if (BETWEEN(term.c.y, term.top, term.bot))
|
||
#if SCROLLBACK_PATCH && !COLUMNS_REFLOW_PATCH
|
||
tscrolldown(term.c.y, n, 0);
|
||
#else
|
||
tscrolldown(term.c.y, n);
|
||
#endif // SCROLLBACK_PATCH
|
||
}
|
||
|
||
void
|
||
tdeleteline(int n)
|
||
{
|
||
if (BETWEEN(term.c.y, term.top, term.bot))
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrollup(term.c.y, term.bot, n, SCROLL_NOSAVEHIST);
|
||
#elif SCROLLBACK_PATCH
|
||
tscrollup(term.c.y, n, 0);
|
||
#else
|
||
tscrollup(term.c.y, n);
|
||
#endif // COLUMNS_REFLOW_PATCH | SCROLLBACK_PATCH
|
||
}
|
||
|
||
int32_t
|
||
tdefcolor(const int *attr, int *npar, int l)
|
||
{
|
||
int32_t idx = -1;
|
||
uint r, g, b;
|
||
|
||
switch (attr[*npar + 1]) {
|
||
case 2: /* direct color in RGB space */
|
||
if (*npar + 4 >= l) {
|
||
fprintf(stderr,
|
||
"erresc(38): Incorrect number of parameters (%d)\n",
|
||
*npar);
|
||
break;
|
||
}
|
||
r = attr[*npar + 2];
|
||
g = attr[*npar + 3];
|
||
b = attr[*npar + 4];
|
||
*npar += 4;
|
||
if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
|
||
fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
|
||
r, g, b);
|
||
else
|
||
idx = TRUECOLOR(r, g, b);
|
||
break;
|
||
case 5: /* indexed color */
|
||
if (*npar + 2 >= l) {
|
||
fprintf(stderr,
|
||
"erresc(38): Incorrect number of parameters (%d)\n",
|
||
*npar);
|
||
break;
|
||
}
|
||
*npar += 2;
|
||
if (!BETWEEN(attr[*npar], 0, 255))
|
||
fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
|
||
else
|
||
idx = attr[*npar];
|
||
break;
|
||
case 0: /* implemented defined (only foreground) */
|
||
case 1: /* transparent */
|
||
case 3: /* direct color in CMY space */
|
||
case 4: /* direct color in CMYK space */
|
||
default:
|
||
fprintf(stderr,
|
||
"erresc(38): gfx attr %d unknown\n", attr[*npar]);
|
||
break;
|
||
}
|
||
|
||
return idx;
|
||
}
|
||
|
||
void
|
||
tsetattr(const int *attr, int l)
|
||
{
|
||
int i;
|
||
int32_t idx;
|
||
|
||
for (i = 0; i < l; i++) {
|
||
switch (attr[i]) {
|
||
case 0:
|
||
term.c.attr.mode &= ~(
|
||
ATTR_BOLD |
|
||
ATTR_FAINT |
|
||
ATTR_ITALIC |
|
||
ATTR_UNDERLINE |
|
||
ATTR_BLINK |
|
||
ATTR_REVERSE |
|
||
ATTR_INVISIBLE |
|
||
ATTR_STRUCK );
|
||
term.c.attr.fg = defaultfg;
|
||
term.c.attr.bg = defaultbg;
|
||
#if UNDERCURL_PATCH
|
||
term.c.attr.ustyle = -1;
|
||
term.c.attr.ucolor[0] = -1;
|
||
term.c.attr.ucolor[1] = -1;
|
||
term.c.attr.ucolor[2] = -1;
|
||
#endif // UNDERCURL_PATCH
|
||
break;
|
||
case 1:
|
||
term.c.attr.mode |= ATTR_BOLD;
|
||
break;
|
||
case 2:
|
||
term.c.attr.mode |= ATTR_FAINT;
|
||
break;
|
||
case 3:
|
||
term.c.attr.mode |= ATTR_ITALIC;
|
||
break;
|
||
case 4:
|
||
#if UNDERCURL_PATCH
|
||
term.c.attr.ustyle = csiescseq.carg[i][0];
|
||
|
||
if (term.c.attr.ustyle != 0)
|
||
term.c.attr.mode |= ATTR_UNDERLINE;
|
||
else
|
||
term.c.attr.mode &= ~ATTR_UNDERLINE;
|
||
|
||
term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
|
||
#else
|
||
term.c.attr.mode |= ATTR_UNDERLINE;
|
||
#endif // UNDERCURL_PATCH
|
||
break;
|
||
case 5: /* slow blink */
|
||
/* FALLTHROUGH */
|
||
case 6: /* rapid blink */
|
||
term.c.attr.mode |= ATTR_BLINK;
|
||
break;
|
||
case 7:
|
||
term.c.attr.mode |= ATTR_REVERSE;
|
||
break;
|
||
case 8:
|
||
term.c.attr.mode |= ATTR_INVISIBLE;
|
||
break;
|
||
case 9:
|
||
term.c.attr.mode |= ATTR_STRUCK;
|
||
break;
|
||
case 22:
|
||
term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
|
||
break;
|
||
case 23:
|
||
term.c.attr.mode &= ~ATTR_ITALIC;
|
||
break;
|
||
case 24:
|
||
term.c.attr.mode &= ~ATTR_UNDERLINE;
|
||
break;
|
||
case 25:
|
||
term.c.attr.mode &= ~ATTR_BLINK;
|
||
break;
|
||
case 27:
|
||
term.c.attr.mode &= ~ATTR_REVERSE;
|
||
break;
|
||
case 28:
|
||
term.c.attr.mode &= ~ATTR_INVISIBLE;
|
||
break;
|
||
case 29:
|
||
term.c.attr.mode &= ~ATTR_STRUCK;
|
||
break;
|
||
case 38:
|
||
if ((idx = tdefcolor(attr, &i, l)) >= 0)
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.fg = defaultfg;
|
||
#else
|
||
term.c.attr.fg = idx;
|
||
#endif // MONOCHROME_PATCH
|
||
break;
|
||
case 39:
|
||
term.c.attr.fg = defaultfg;
|
||
break;
|
||
case 48:
|
||
if ((idx = tdefcolor(attr, &i, l)) >= 0)
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.bg = 0;
|
||
#else
|
||
term.c.attr.bg = idx;
|
||
#endif // MONOCHROME_PATCH
|
||
break;
|
||
case 49:
|
||
term.c.attr.bg = defaultbg;
|
||
break;
|
||
#if UNDERCURL_PATCH
|
||
case 58:
|
||
term.c.attr.ucolor[0] = csiescseq.carg[i][1];
|
||
term.c.attr.ucolor[1] = csiescseq.carg[i][2];
|
||
term.c.attr.ucolor[2] = csiescseq.carg[i][3];
|
||
term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
|
||
break;
|
||
case 59:
|
||
term.c.attr.ucolor[0] = -1;
|
||
term.c.attr.ucolor[1] = -1;
|
||
term.c.attr.ucolor[2] = -1;
|
||
term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
|
||
break;
|
||
#endif // UNDERCURL_PATCH
|
||
default:
|
||
if (BETWEEN(attr[i], 30, 37)) {
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.fg = defaultfg;
|
||
#else
|
||
term.c.attr.fg = attr[i] - 30;
|
||
#endif // MONOCHROME_PATCH
|
||
} else if (BETWEEN(attr[i], 40, 47)) {
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.bg = 0;
|
||
#else
|
||
term.c.attr.bg = attr[i] - 40;
|
||
#endif // MONOCHROME_PATCH
|
||
} else if (BETWEEN(attr[i], 90, 97)) {
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.fg = defaultfg;
|
||
#else
|
||
term.c.attr.fg = attr[i] - 90 + 8;
|
||
#endif // MONOCHROME_PATCH
|
||
} else if (BETWEEN(attr[i], 100, 107)) {
|
||
#if MONOCHROME_PATCH
|
||
term.c.attr.bg = 0;
|
||
#else
|
||
term.c.attr.bg = attr[i] - 100 + 8;
|
||
#endif // MONOCHROME_PATCH
|
||
} else {
|
||
fprintf(stderr,
|
||
"erresc(default): gfx attr %d unknown\n",
|
||
attr[i]);
|
||
csidump();
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
tsetscroll(int t, int b)
|
||
{
|
||
int temp;
|
||
|
||
LIMIT(t, 0, term.row-1);
|
||
LIMIT(b, 0, term.row-1);
|
||
if (t > b) {
|
||
temp = t;
|
||
t = b;
|
||
b = temp;
|
||
}
|
||
term.top = t;
|
||
term.bot = b;
|
||
}
|
||
|
||
void
|
||
tsetmode(int priv, int set, const int *args, int narg)
|
||
{
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
int alt;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
const int *lim;
|
||
|
||
for (lim = args + narg; args < lim; ++args) {
|
||
if (priv) {
|
||
switch (*args) {
|
||
case 1: /* DECCKM -- Cursor key */
|
||
xsetmode(set, MODE_APPCURSOR);
|
||
break;
|
||
case 5: /* DECSCNM -- Reverse video */
|
||
xsetmode(set, MODE_REVERSE);
|
||
break;
|
||
case 6: /* DECOM -- Origin */
|
||
MODBIT(term.c.state, set, CURSOR_ORIGIN);
|
||
tmoveato(0, 0);
|
||
break;
|
||
case 7: /* DECAWM -- Auto wrap */
|
||
MODBIT(term.mode, set, MODE_WRAP);
|
||
break;
|
||
case 0: /* Error (IGNORED) */
|
||
case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
|
||
case 3: /* DECCOLM -- Column (IGNORED) */
|
||
case 4: /* DECSCLM -- Scroll (IGNORED) */
|
||
case 8: /* DECARM -- Auto repeat (IGNORED) */
|
||
case 18: /* DECPFF -- Printer feed (IGNORED) */
|
||
case 19: /* DECPEX -- Printer extent (IGNORED) */
|
||
case 42: /* DECNRCM -- National characters (IGNORED) */
|
||
case 12: /* att610 -- Start blinking cursor (IGNORED) */
|
||
break;
|
||
case 25: /* DECTCEM -- Text Cursor Enable Mode */
|
||
xsetmode(!set, MODE_HIDE);
|
||
break;
|
||
case 9: /* X10 mouse compatibility mode */
|
||
xsetpointermotion(0);
|
||
xsetmode(0, MODE_MOUSE);
|
||
xsetmode(set, MODE_MOUSEX10);
|
||
break;
|
||
case 1000: /* 1000: report button press */
|
||
xsetpointermotion(0);
|
||
xsetmode(0, MODE_MOUSE);
|
||
xsetmode(set, MODE_MOUSEBTN);
|
||
break;
|
||
case 1002: /* 1002: report motion on button press */
|
||
xsetpointermotion(0);
|
||
xsetmode(0, MODE_MOUSE);
|
||
xsetmode(set, MODE_MOUSEMOTION);
|
||
break;
|
||
case 1003: /* 1003: enable all mouse motions */
|
||
xsetpointermotion(set);
|
||
xsetmode(0, MODE_MOUSE);
|
||
xsetmode(set, MODE_MOUSEMANY);
|
||
break;
|
||
case 1004: /* 1004: send focus events to tty */
|
||
xsetmode(set, MODE_FOCUS);
|
||
break;
|
||
case 1006: /* 1006: extended reporting mode */
|
||
xsetmode(set, MODE_MOUSESGR);
|
||
break;
|
||
case 1034:
|
||
xsetmode(set, MODE_8BIT);
|
||
break;
|
||
case 1049: /* swap screen & set/restore cursor as xterm */
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
if (!allowaltscreen)
|
||
break;
|
||
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
|
||
/* FALLTHROUGH */
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
case 47: /* swap screen */
|
||
case 1047:
|
||
if (!allowaltscreen)
|
||
break;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (set)
|
||
tloadaltscreen(*args == 1049, *args == 1049);
|
||
else
|
||
tloaddefscreen(*args == 1047, *args == 1049);
|
||
break;
|
||
#else
|
||
alt = IS_SET(MODE_ALTSCREEN);
|
||
if (alt) {
|
||
tclearregion(0, 0, term.col-1,
|
||
term.row-1);
|
||
}
|
||
if (set ^ alt) /* set is always 1 or 0 */
|
||
tswapscreen();
|
||
if (*args != 1049)
|
||
break;
|
||
/* FALLTHROUGH */
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
case 1048:
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (!allowaltscreen)
|
||
break;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
|
||
break;
|
||
case 2004: /* 2004: bracketed paste mode */
|
||
xsetmode(set, MODE_BRCKTPASTE);
|
||
break;
|
||
/* Not implemented mouse modes. See comments there. */
|
||
case 1001: /* mouse highlight mode; can hang the
|
||
terminal by design when implemented. */
|
||
case 1005: /* UTF-8 mouse mode; will confuse
|
||
applications not supporting UTF-8
|
||
and luit. */
|
||
case 1015: /* urxvt mangled mouse mode; incompatible
|
||
and can be mistaken for other control
|
||
codes. */
|
||
break;
|
||
default:
|
||
fprintf(stderr,
|
||
"erresc: unknown private set/reset mode %d\n",
|
||
*args);
|
||
break;
|
||
}
|
||
} else {
|
||
switch (*args) {
|
||
case 0: /* Error (IGNORED) */
|
||
break;
|
||
case 2:
|
||
xsetmode(set, MODE_KBDLOCK);
|
||
break;
|
||
case 4: /* IRM -- Insertion-replacement */
|
||
MODBIT(term.mode, set, MODE_INSERT);
|
||
break;
|
||
case 12: /* SRM -- Send/Receive */
|
||
MODBIT(term.mode, !set, MODE_ECHO);
|
||
break;
|
||
case 20: /* LNM -- Linefeed/new line */
|
||
MODBIT(term.mode, set, MODE_CRLF);
|
||
break;
|
||
default:
|
||
fprintf(stderr,
|
||
"erresc: unknown set/reset mode %d\n",
|
||
*args);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
csihandle(void)
|
||
{
|
||
char buf[40];
|
||
#if COLUMNS_REFLOW_PATCH
|
||
int n, x;
|
||
#else
|
||
int len;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
#if SIXEL_PATCH
|
||
ImageList *im;
|
||
#endif // SIXEL_PATCH
|
||
|
||
switch (csiescseq.mode[0]) {
|
||
default:
|
||
unknown:
|
||
fprintf(stderr, "erresc: unknown csi ");
|
||
csidump();
|
||
/* die(""); */
|
||
break;
|
||
case '@': /* ICH -- Insert <n> blank char */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tinsertblank(csiescseq.arg[0]);
|
||
break;
|
||
case 'A': /* CUU -- Cursor <n> Up */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
|
||
break;
|
||
case 'B': /* CUD -- Cursor <n> Down */
|
||
case 'e': /* VPR --Cursor <n> Down */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
|
||
break;
|
||
case 'i': /* MC -- Media Copy */
|
||
switch (csiescseq.arg[0]) {
|
||
case 0:
|
||
tdump();
|
||
break;
|
||
case 1:
|
||
tdumpline(term.c.y);
|
||
break;
|
||
case 2:
|
||
tdumpsel();
|
||
break;
|
||
case 4:
|
||
term.mode &= ~MODE_PRINT;
|
||
break;
|
||
case 5:
|
||
term.mode |= MODE_PRINT;
|
||
break;
|
||
}
|
||
break;
|
||
case 'c': /* DA -- Device Attributes */
|
||
if (csiescseq.arg[0] == 0)
|
||
ttywrite(vtiden, strlen(vtiden), 0);
|
||
break;
|
||
case 'b': /* REP -- if last char is printable print it <n> more times */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
if (term.lastc)
|
||
while (csiescseq.arg[0]-- > 0)
|
||
tputc(term.lastc);
|
||
break;
|
||
case 'C': /* CUF -- Cursor <n> Forward */
|
||
case 'a': /* HPR -- Cursor <n> Forward */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
|
||
break;
|
||
case 'D': /* CUB -- Cursor <n> Backward */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
|
||
break;
|
||
case 'E': /* CNL -- Cursor <n> Down and first col */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(0, term.c.y+csiescseq.arg[0]);
|
||
break;
|
||
case 'F': /* CPL -- Cursor <n> Up and first col */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(0, term.c.y-csiescseq.arg[0]);
|
||
break;
|
||
case 'g': /* TBC -- Tabulation clear */
|
||
switch (csiescseq.arg[0]) {
|
||
case 0: /* clear current tab stop */
|
||
term.tabs[term.c.x] = 0;
|
||
break;
|
||
case 3: /* clear all the tabs */
|
||
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
case 'G': /* CHA -- Move to <col> */
|
||
case '`': /* HPA */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveto(csiescseq.arg[0]-1, term.c.y);
|
||
break;
|
||
case 'H': /* CUP -- Move to <row> <col> */
|
||
case 'f': /* HVP */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
DEFAULT(csiescseq.arg[1], 1);
|
||
tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
|
||
break;
|
||
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tputtab(csiescseq.arg[0]);
|
||
break;
|
||
case 'J': /* ED -- Clear screen */
|
||
switch (csiescseq.arg[0]) {
|
||
case 0: /* below */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
|
||
#else
|
||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
if (term.c.y < term.row-1) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(0, term.c.y+1, term.col-1, term.row-1, 1);
|
||
#else
|
||
tclearregion(0, term.c.y+1, term.col-1,
|
||
term.row-1);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
break;
|
||
case 1: /* above */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (term.c.y >= 1)
|
||
tclearregion(0, 0, term.col-1, term.c.y-1, 1);
|
||
tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
|
||
#else
|
||
if (term.c.y > 1)
|
||
tclearregion(0, 0, term.col-1, term.c.y-1);
|
||
tclearregion(0, term.c.y, term.c.x, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
case 2: /* screen */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(0, 0, term.col-1, term.row-1, 1);
|
||
#else
|
||
tclearregion(0, 0, term.col-1, term.row-1);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
case 3: /* all including scrollback */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (IS_SET(MODE_ALTSCREEN)) {
|
||
tclearregion(0, 0, term.col-1, term.row-1, 1);
|
||
break;
|
||
}
|
||
/* vte does this:
|
||
tscrollup(0, term.row-1, term.row, SCROLL_SAVEHIST); */
|
||
|
||
/* alacritty does this: */
|
||
for (n = term.row-1; n >= 0 && tlinelen(term.line[n]) == 0; n--);
|
||
if (n >= 0)
|
||
tscrollup(0, term.row-1, n+1, SCROLL_SAVEHIST);
|
||
tscrollup(0, term.row-1, term.row-n-1, SCROLL_NOSAVEHIST);
|
||
#else
|
||
tclearregion(0, 0, term.col-1, term.row-1);
|
||
|
||
#if SCROLLBACK_PATCH
|
||
term.scr = 0;
|
||
term.histi = 0;
|
||
for (int i = 0; i < HISTSIZE; i++)
|
||
term.hist[i][0].u = '\0';
|
||
#endif // SCROLLBACK_PATCH
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
#if SIXEL_PATCH
|
||
for (im = term.images; im; im = im->next)
|
||
im->should_delete = 1;
|
||
#endif // SIXEL_PATCH
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
case 'K': /* EL -- Clear line */
|
||
switch (csiescseq.arg[0]) {
|
||
case 0: /* right */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
|
||
#else
|
||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
case 1: /* left */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
|
||
#else
|
||
tclearregion(0, term.c.y, term.c.x, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
case 2: /* all */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(0, term.c.y, term.col-1, term.c.y, 1);
|
||
#else
|
||
tclearregion(0, term.c.y, term.col-1, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
}
|
||
break;
|
||
case 'S': /* SU -- Scroll <n> line up */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
/* xterm, urxvt, alacritty save this in history */
|
||
tscrollup(term.top, term.bot, csiescseq.arg[0], SCROLL_SAVEHIST);
|
||
#elif SIXEL_PATCH && SCROLLBACK_PATCH
|
||
tscrollup(term.top, csiescseq.arg[0], 1);
|
||
#elif SCROLLBACK_PATCH
|
||
tscrollup(term.top, csiescseq.arg[0], 0);
|
||
#else
|
||
tscrollup(term.top, csiescseq.arg[0]);
|
||
#endif // COLUMNS_REFLOW_PATCH | SIXEL_PATCH | SCROLLBACK_PATCH
|
||
break;
|
||
case 'T': /* SD -- Scroll <n> line down */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrolldown(term.top, csiescseq.arg[0]);
|
||
#elif SIXEL_PATCH && SCROLLBACK_PATCH
|
||
tscrolldown(term.top, csiescseq.arg[0], 1);
|
||
#elif SCROLLBACK_PATCH
|
||
tscrolldown(term.top, csiescseq.arg[0], 0);
|
||
#else
|
||
tscrolldown(term.top, csiescseq.arg[0]);
|
||
#endif // SCROLLBACK_PATCH
|
||
break;
|
||
case 'L': /* IL -- Insert <n> blank lines */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tinsertblankline(csiescseq.arg[0]);
|
||
break;
|
||
case 'l': /* RM -- Reset Mode */
|
||
tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
|
||
break;
|
||
case 'M': /* DL -- Delete <n> lines */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tdeleteline(csiescseq.arg[0]);
|
||
break;
|
||
case 'X': /* ECH -- Erase <n> char */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (csiescseq.arg[0] < 0)
|
||
return;
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
x = MIN(term.c.x + csiescseq.arg[0], term.col) - 1;
|
||
tclearregion(term.c.x, term.c.y, x, term.c.y, 1);
|
||
#else
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tclearregion(term.c.x, term.c.y,
|
||
term.c.x + csiescseq.arg[0] - 1, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
break;
|
||
case 'P': /* DCH -- Delete <n> char */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tdeletechar(csiescseq.arg[0]);
|
||
break;
|
||
case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tputtab(-csiescseq.arg[0]);
|
||
break;
|
||
case 'd': /* VPA -- Move to <row> */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
tmoveato(term.c.x, csiescseq.arg[0]-1);
|
||
break;
|
||
case 'h': /* SM -- Set terminal mode */
|
||
tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
|
||
break;
|
||
case 'm': /* SGR -- Terminal attribute (color) */
|
||
tsetattr(csiescseq.arg, csiescseq.narg);
|
||
break;
|
||
case 'n': /* DSR – Device Status Report (cursor position) */
|
||
if (csiescseq.arg[0] == 6) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
n = snprintf(buf, sizeof(buf), "\033[%i;%iR",
|
||
term.c.y+1, term.c.x+1);
|
||
ttywrite(buf, n, 0);
|
||
#else
|
||
len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
|
||
term.c.y+1, term.c.x+1);
|
||
ttywrite(buf, len, 0);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
break;
|
||
case 'r': /* DECSTBM -- Set Scrolling Region */
|
||
if (csiescseq.priv) {
|
||
goto unknown;
|
||
} else {
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
DEFAULT(csiescseq.arg[1], term.row);
|
||
tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
|
||
tmoveato(0, 0);
|
||
}
|
||
break;
|
||
case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
|
||
tcursor(CURSOR_SAVE);
|
||
break;
|
||
#if CSI_22_23_PATCH
|
||
case 't': /* title stack operations */
|
||
switch (csiescseq.arg[0]) {
|
||
case 22: /* pust current title on stack */
|
||
switch (csiescseq.arg[1]) {
|
||
case 0:
|
||
case 1:
|
||
case 2:
|
||
xpushtitle();
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
case 23: /* pop last title from stack */
|
||
switch (csiescseq.arg[1]) {
|
||
case 0:
|
||
case 1:
|
||
case 2:
|
||
xsettitle(NULL, 1);
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
#endif // CSI_22_23_PATCH
|
||
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
|
||
tcursor(CURSOR_LOAD);
|
||
break;
|
||
case ' ':
|
||
switch (csiescseq.mode[1]) {
|
||
case 'q': /* DECSCUSR -- Set Cursor Style */
|
||
if (xsetcursor(csiescseq.arg[0]))
|
||
goto unknown;
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
void
|
||
csidump(void)
|
||
{
|
||
size_t i;
|
||
uint c;
|
||
|
||
fprintf(stderr, "ESC[");
|
||
for (i = 0; i < csiescseq.len; i++) {
|
||
c = csiescseq.buf[i] & 0xff;
|
||
if (isprint(c)) {
|
||
putc(c, stderr);
|
||
} else if (c == '\n') {
|
||
fprintf(stderr, "(\\n)");
|
||
} else if (c == '\r') {
|
||
fprintf(stderr, "(\\r)");
|
||
} else if (c == 0x1b) {
|
||
fprintf(stderr, "(\\e)");
|
||
} else {
|
||
fprintf(stderr, "(%02x)", c);
|
||
}
|
||
}
|
||
putc('\n', stderr);
|
||
}
|
||
|
||
void
|
||
csireset(void)
|
||
{
|
||
memset(&csiescseq, 0, sizeof(csiescseq));
|
||
}
|
||
|
||
void
|
||
osc4_color_response(int num)
|
||
{
|
||
int n;
|
||
char buf[32];
|
||
unsigned char r, g, b;
|
||
|
||
if (xgetcolor(num, &r, &g, &b)) {
|
||
fprintf(stderr, "erresc: failed to fetch osc4 color %d\n", num);
|
||
return;
|
||
}
|
||
|
||
n = snprintf(buf, sizeof buf, "\033]4;%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
|
||
num, r, r, g, g, b, b);
|
||
|
||
ttywrite(buf, n, 1);
|
||
}
|
||
|
||
void
|
||
osc_color_response(int index, int num)
|
||
{
|
||
int n;
|
||
char buf[32];
|
||
unsigned char r, g, b;
|
||
|
||
if (xgetcolor(index, &r, &g, &b)) {
|
||
fprintf(stderr, "erresc: failed to fetch osc color %d\n", index);
|
||
return;
|
||
}
|
||
|
||
n = snprintf(buf, sizeof buf, "\033]%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
|
||
num, r, r, g, g, b, b);
|
||
|
||
ttywrite(buf, n, 1);
|
||
}
|
||
|
||
void
|
||
strhandle(void)
|
||
{
|
||
char *p = NULL, *dec;
|
||
int j, narg, par;
|
||
#if SIXEL_PATCH
|
||
ImageList *new_image;
|
||
int i;
|
||
#endif // SIXEL_PATCH
|
||
|
||
term.esc &= ~(ESC_STR_END|ESC_STR);
|
||
#if COLUMNS_REFLOW_PATCH
|
||
strescseq.buf[strescseq.len] = '\0';
|
||
#else
|
||
strparse();
|
||
par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
switch (strescseq.type) {
|
||
case ']': /* OSC -- Operating System Command */
|
||
#if COLUMNS_REFLOW_PATCH
|
||
strparse();
|
||
par = (narg = strescseq.narg) ? atoi(STRESCARGJUST(0)) : 0;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
switch (par) {
|
||
case 0:
|
||
if (narg > 1) {
|
||
#if COLUMNS_REFLOW_PATCH && CSI_22_23_PATCH
|
||
xsettitle(STRESCARGREST(1), 0);
|
||
#elif COLUMNS_REFLOW_PATCH
|
||
xsettitle(STRESCARGREST(1));
|
||
#elif CSI_22_23_PATCH
|
||
xsettitle(strescseq.args[1], 0);
|
||
#else
|
||
xsettitle(strescseq.args[1]);
|
||
#endif // COLUMNS_REFLOW_PATCH | CSI_22_23_PATCH
|
||
#if COLUMNS_REFLOW_PATCH
|
||
xseticontitle(STRESCARGREST(1));
|
||
#else
|
||
xseticontitle(strescseq.args[1]);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
return;
|
||
case 1:
|
||
if (narg > 1)
|
||
#if COLUMNS_REFLOW_PATCH
|
||
xseticontitle(STRESCARGREST(1));
|
||
#else
|
||
xseticontitle(strescseq.args[1]);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
return;
|
||
case 2:
|
||
if (narg > 1)
|
||
#if COLUMNS_REFLOW_PATCH && CSI_22_23_PATCH
|
||
xsettitle(STRESCARGREST(1), 0);
|
||
#elif COLUMNS_REFLOW_PATCH
|
||
xsettitle(STRESCARGREST(1));
|
||
#elif CSI_22_23_PATCH
|
||
xsettitle(strescseq.args[1], 0);
|
||
#else
|
||
xsettitle(strescseq.args[1]);
|
||
#endif // COLUMNS_REFLOW_PATCH | CSI_22_23_PATCH
|
||
return;
|
||
case 52:
|
||
if (narg > 2 && allowwindowops) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
dec = base64dec(STRESCARGREST(1));
|
||
#else
|
||
dec = base64dec(strescseq.args[2]);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
if (dec) {
|
||
xsetsel(dec);
|
||
xclipcopy();
|
||
} else {
|
||
fprintf(stderr, "erresc: invalid base64\n");
|
||
}
|
||
}
|
||
return;
|
||
case 10:
|
||
if (narg < 2)
|
||
break;
|
||
|
||
p = strescseq.args[1];
|
||
|
||
if (!strcmp(p, "?"))
|
||
osc_color_response(defaultfg, 10);
|
||
else if (xsetcolorname(defaultfg, p))
|
||
fprintf(stderr, "erresc: invalid foreground color: %s\n", p);
|
||
else
|
||
redraw();
|
||
return;
|
||
case 11:
|
||
if (narg < 2)
|
||
break;
|
||
|
||
p = strescseq.args[1];
|
||
|
||
if (!strcmp(p, "?"))
|
||
osc_color_response(defaultbg, 11);
|
||
else if (xsetcolorname(defaultbg, p))
|
||
fprintf(stderr, "erresc: invalid background color: %s\n", p);
|
||
else
|
||
redraw();
|
||
return;
|
||
case 12:
|
||
if (narg < 2)
|
||
break;
|
||
|
||
p = strescseq.args[1];
|
||
|
||
if (!strcmp(p, "?"))
|
||
osc_color_response(defaultcs, 12);
|
||
else if (xsetcolorname(defaultcs, p))
|
||
fprintf(stderr, "erresc: invalid cursor color: %s\n", p);
|
||
else
|
||
redraw();
|
||
return;
|
||
case 4: /* color set */
|
||
if ((par == 4 && narg < 3) || narg < 2)
|
||
break;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
p = STRESCARGREST(par == 4 ? 2 : 1);
|
||
#else
|
||
p = strescseq.args[((par == 4) ? 2 : 1)];
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
/* FALLTHROUGH */
|
||
case 104: /* color reset */
|
||
if (par == 10)
|
||
j = defaultfg;
|
||
else if (par == 11)
|
||
j = defaultbg;
|
||
else if (par == 12)
|
||
j = defaultcs;
|
||
else
|
||
#if COLUMNS_REFLOW_PATCH
|
||
j = (narg > 1) ? atoi(STRESCARGREST(1)) : -1;
|
||
#else
|
||
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
if (p && !strcmp(p, "?")) {
|
||
osc4_color_response(j);
|
||
} else if (xsetcolorname(j, p)) {
|
||
if (par == 104 && narg <= 1)
|
||
return; /* color reset without parameter */
|
||
fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
|
||
j, p ? p : "(null)");
|
||
} else {
|
||
if (j == defaultbg)
|
||
xclearwin();
|
||
redraw();
|
||
}
|
||
return;
|
||
}
|
||
break;
|
||
case 'k': /* old title set compatibility */
|
||
#if COLUMNS_REFLOW_PATCH && CSI_22_23_PATCH
|
||
xsettitle(STRESCARGREST(0), 0);
|
||
#elif COLUMNS_REFLOW_PATCH
|
||
xsettitle(STRESCARGREST(0));
|
||
#elif CSI_22_23_PATCH
|
||
xsettitle(strescseq.args[0], 0);
|
||
#else
|
||
xsettitle(strescseq.args[0]);
|
||
#endif // CSI_22_23_PATCH
|
||
return;
|
||
case 'P': /* DCS -- Device Control String */
|
||
#if SIXEL_PATCH
|
||
if (IS_SET(MODE_SIXEL)) {
|
||
term.mode &= ~MODE_SIXEL;
|
||
new_image = malloc(sizeof(ImageList));
|
||
memset(new_image, 0, sizeof(ImageList));
|
||
new_image->x = term.c.x;
|
||
new_image->y = term.c.y;
|
||
new_image->width = sixel_st.image.width;
|
||
new_image->height = sixel_st.image.height;
|
||
new_image->pixels = malloc(new_image->width * new_image->height * 4);
|
||
if (sixel_parser_finalize(&sixel_st, new_image->pixels) != 0) {
|
||
perror("sixel_parser_finalize() failed");
|
||
sixel_parser_deinit(&sixel_st);
|
||
return;
|
||
}
|
||
sixel_parser_deinit(&sixel_st);
|
||
if (term.images) {
|
||
ImageList *im;
|
||
for (im = term.images; im->next;)
|
||
im = im->next;
|
||
im->next = new_image;
|
||
new_image->prev = im;
|
||
} else {
|
||
term.images = new_image;
|
||
}
|
||
for (i = 0; i < (sixel_st.image.height + win.ch-1)/win.ch; ++i) {
|
||
int x;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tclearregion(term.c.x, term.c.y, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw, term.c.y, 0);
|
||
#else
|
||
tclearregion(term.c.x, term.c.y, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw, term.c.y);
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
for (x = term.c.x; x < MIN(term.col, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw); x++)
|
||
term.line[term.c.y][x].mode |= ATTR_SIXEL;
|
||
tnewline(1);
|
||
}
|
||
}
|
||
#endif // SIXEL_PATCH
|
||
#if SYNC_PATCH
|
||
/* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */
|
||
if (strstr(strescseq.buf, "=1s") == strescseq.buf)
|
||
tsync_begin(); /* BSU */
|
||
else if (strstr(strescseq.buf, "=2s") == strescseq.buf)
|
||
tsync_end(); /* ESU */
|
||
#endif // SYNC_PATCH
|
||
#if SIXEL_PATCH || SYNC_PATCH
|
||
return;
|
||
#endif // SIXEL_PATCH | SYNC_PATCH
|
||
case '_': /* APC -- Application Program Command */
|
||
case '^': /* PM -- Privacy Message */
|
||
return;
|
||
}
|
||
|
||
fprintf(stderr, "erresc: unknown str ");
|
||
strdump();
|
||
}
|
||
|
||
void
|
||
strparse(void)
|
||
{
|
||
int c;
|
||
char *p = strescseq.buf;
|
||
|
||
strescseq.narg = 0;
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
strescseq.buf[strescseq.len] = '\0';
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
if (*p == '\0')
|
||
return;
|
||
|
||
while (strescseq.narg < STR_ARG_SIZ) {
|
||
#if !COLUMNS_REFLOW_PATCH
|
||
strescseq.args[strescseq.narg++] = p;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
while ((c = *p) != ';' && c != '\0')
|
||
++p;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
strescseq.args[strescseq.narg++] = p;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
if (c == '\0')
|
||
return;
|
||
#if COLUMNS_REFLOW_PATCH
|
||
p++;
|
||
#else
|
||
*p++ = '\0';
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
}
|
||
}
|
||
|
||
void
|
||
strdump(void)
|
||
{
|
||
size_t i;
|
||
uint c;
|
||
|
||
fprintf(stderr, "ESC%c", strescseq.type);
|
||
for (i = 0; i < strescseq.len; i++) {
|
||
c = strescseq.buf[i] & 0xff;
|
||
if (c == '\0') {
|
||
putc('\n', stderr);
|
||
return;
|
||
} else if (isprint(c)) {
|
||
putc(c, stderr);
|
||
} else if (c == '\n') {
|
||
fprintf(stderr, "(\\n)");
|
||
} else if (c == '\r') {
|
||
fprintf(stderr, "(\\r)");
|
||
} else if (c == 0x1b) {
|
||
fprintf(stderr, "(\\e)");
|
||
} else {
|
||
fprintf(stderr, "(%02x)", c);
|
||
}
|
||
}
|
||
fprintf(stderr, "ESC\\\n");
|
||
}
|
||
|
||
void
|
||
strreset(void)
|
||
{
|
||
strescseq = (STREscape){
|
||
.buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
|
||
.siz = STR_BUF_SIZ,
|
||
};
|
||
}
|
||
|
||
void
|
||
sendbreak(const Arg *arg)
|
||
{
|
||
if (tcsendbreak(cmdfd, 0))
|
||
perror("Error sending break");
|
||
}
|
||
|
||
void
|
||
tprinter(char *s, size_t len)
|
||
{
|
||
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
|
||
perror("Error writing to output file");
|
||
close(iofd);
|
||
iofd = -1;
|
||
}
|
||
}
|
||
|
||
void
|
||
toggleprinter(const Arg *arg)
|
||
{
|
||
term.mode ^= MODE_PRINT;
|
||
}
|
||
|
||
void
|
||
printscreen(const Arg *arg)
|
||
{
|
||
tdump();
|
||
}
|
||
|
||
void
|
||
printsel(const Arg *arg)
|
||
{
|
||
tdumpsel();
|
||
}
|
||
|
||
void
|
||
tdumpsel(void)
|
||
{
|
||
char *ptr;
|
||
|
||
if ((ptr = getsel())) {
|
||
tprinter(ptr, strlen(ptr));
|
||
free(ptr);
|
||
}
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
tdumpline(int n)
|
||
{
|
||
char str[(term.col + 1) * UTF_SIZ];
|
||
|
||
tprinter(str, tgetline(str, &term.line[n][0]));
|
||
}
|
||
#else
|
||
void
|
||
tdumpline(int n)
|
||
{
|
||
char buf[UTF_SIZ];
|
||
const Glyph *bp, *end;
|
||
|
||
bp = &term.line[n][0];
|
||
end = &bp[MIN(tlinelen(n), term.col) - 1];
|
||
if (bp != end || bp->u != ' ') {
|
||
for ( ; bp <= end; ++bp)
|
||
tprinter(buf, utf8encode(bp->u, buf));
|
||
}
|
||
tprinter("\n", 1);
|
||
}
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
|
||
void
|
||
tdump(void)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < term.row; ++i)
|
||
tdumpline(i);
|
||
}
|
||
|
||
void
|
||
tputtab(int n)
|
||
{
|
||
uint x = term.c.x;
|
||
|
||
if (n > 0) {
|
||
while (x < term.col && n--)
|
||
for (++x; x < term.col && !term.tabs[x]; ++x)
|
||
/* nothing */ ;
|
||
} else if (n < 0) {
|
||
while (x > 0 && n++)
|
||
for (--x; x > 0 && !term.tabs[x]; --x)
|
||
/* nothing */ ;
|
||
}
|
||
term.c.x = LIMIT(x, 0, term.col-1);
|
||
}
|
||
|
||
void
|
||
tdefutf8(char ascii)
|
||
{
|
||
if (ascii == 'G')
|
||
term.mode |= MODE_UTF8;
|
||
else if (ascii == '@')
|
||
term.mode &= ~MODE_UTF8;
|
||
}
|
||
|
||
void
|
||
tdeftran(char ascii)
|
||
{
|
||
static char cs[] = "0B";
|
||
static int vcs[] = {CS_GRAPHIC0, CS_USA};
|
||
char *p;
|
||
|
||
if ((p = strchr(cs, ascii)) == NULL) {
|
||
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
|
||
} else {
|
||
term.trantbl[term.icharset] = vcs[p - cs];
|
||
}
|
||
}
|
||
|
||
void
|
||
tdectest(char c)
|
||
{
|
||
int x, y;
|
||
|
||
if (c == '8') { /* DEC screen alignment test. */
|
||
for (x = 0; x < term.col; ++x) {
|
||
for (y = 0; y < term.row; ++y)
|
||
tsetchar('E', &term.c.attr, x, y);
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
tstrsequence(uchar c)
|
||
{
|
||
#if SIXEL_PATCH
|
||
strreset();
|
||
#endif // SIXEL_PATCH
|
||
|
||
switch (c) {
|
||
case 0x90: /* DCS -- Device Control String */
|
||
c = 'P';
|
||
#if SIXEL_PATCH
|
||
term.esc |= ESC_DCS;
|
||
#endif // SIXEL_PATCH
|
||
break;
|
||
case 0x9f: /* APC -- Application Program Command */
|
||
c = '_';
|
||
break;
|
||
case 0x9e: /* PM -- Privacy Message */
|
||
c = '^';
|
||
break;
|
||
case 0x9d: /* OSC -- Operating System Command */
|
||
c = ']';
|
||
break;
|
||
}
|
||
#if !SIXEL_PATCH
|
||
strreset();
|
||
#endif // SIXEL_PATCH
|
||
strescseq.type = c;
|
||
term.esc |= ESC_STR;
|
||
}
|
||
|
||
void
|
||
tcontrolcode(uchar ascii)
|
||
{
|
||
switch (ascii) {
|
||
case '\t': /* HT */
|
||
tputtab(1);
|
||
return;
|
||
case '\b': /* BS */
|
||
tmoveto(term.c.x-1, term.c.y);
|
||
return;
|
||
case '\r': /* CR */
|
||
tmoveto(0, term.c.y);
|
||
return;
|
||
case '\f': /* LF */
|
||
case '\v': /* VT */
|
||
case '\n': /* LF */
|
||
/* go to first col if the mode is set */
|
||
tnewline(IS_SET(MODE_CRLF));
|
||
return;
|
||
case '\a': /* BEL */
|
||
if (term.esc & ESC_STR_END) {
|
||
/* backwards compatibility to xterm */
|
||
strhandle();
|
||
} else {
|
||
xbell();
|
||
}
|
||
break;
|
||
case '\033': /* ESC */
|
||
csireset();
|
||
term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
|
||
term.esc |= ESC_START;
|
||
return;
|
||
case '\016': /* SO (LS1 -- Locking shift 1) */
|
||
case '\017': /* SI (LS0 -- Locking shift 0) */
|
||
term.charset = 1 - (ascii - '\016');
|
||
return;
|
||
case '\032': /* SUB */
|
||
tsetchar('?', &term.c.attr, term.c.x, term.c.y);
|
||
/* FALLTHROUGH */
|
||
case '\030': /* CAN */
|
||
csireset();
|
||
break;
|
||
case '\005': /* ENQ (IGNORED) */
|
||
case '\000': /* NUL (IGNORED) */
|
||
case '\021': /* XON (IGNORED) */
|
||
case '\023': /* XOFF (IGNORED) */
|
||
case 0177: /* DEL (IGNORED) */
|
||
return;
|
||
case 0x80: /* TODO: PAD */
|
||
case 0x81: /* TODO: HOP */
|
||
case 0x82: /* TODO: BPH */
|
||
case 0x83: /* TODO: NBH */
|
||
case 0x84: /* TODO: IND */
|
||
break;
|
||
case 0x85: /* NEL -- Next line */
|
||
tnewline(1); /* always go to first col */
|
||
break;
|
||
case 0x86: /* TODO: SSA */
|
||
case 0x87: /* TODO: ESA */
|
||
break;
|
||
case 0x88: /* HTS -- Horizontal tab stop */
|
||
term.tabs[term.c.x] = 1;
|
||
break;
|
||
case 0x89: /* TODO: HTJ */
|
||
case 0x8a: /* TODO: VTS */
|
||
case 0x8b: /* TODO: PLD */
|
||
case 0x8c: /* TODO: PLU */
|
||
case 0x8d: /* TODO: RI */
|
||
case 0x8e: /* TODO: SS2 */
|
||
case 0x8f: /* TODO: SS3 */
|
||
case 0x91: /* TODO: PU1 */
|
||
case 0x92: /* TODO: PU2 */
|
||
case 0x93: /* TODO: STS */
|
||
case 0x94: /* TODO: CCH */
|
||
case 0x95: /* TODO: MW */
|
||
case 0x96: /* TODO: SPA */
|
||
case 0x97: /* TODO: EPA */
|
||
case 0x98: /* TODO: SOS */
|
||
case 0x99: /* TODO: SGCI */
|
||
break;
|
||
case 0x9a: /* DECID -- Identify Terminal */
|
||
ttywrite(vtiden, strlen(vtiden), 0);
|
||
break;
|
||
case 0x9b: /* TODO: CSI */
|
||
case 0x9c: /* TODO: ST */
|
||
break;
|
||
case 0x90: /* DCS -- Device Control String */
|
||
case 0x9d: /* OSC -- Operating System Command */
|
||
case 0x9e: /* PM -- Privacy Message */
|
||
case 0x9f: /* APC -- Application Program Command */
|
||
tstrsequence(ascii);
|
||
return;
|
||
}
|
||
/* only CAN, SUB, \a and C1 chars interrupt a sequence */
|
||
term.esc &= ~(ESC_STR_END|ESC_STR);
|
||
}
|
||
|
||
/*
|
||
* returns 1 when the sequence is finished and it hasn't to read
|
||
* more characters for this sequence, otherwise 0
|
||
*/
|
||
int
|
||
eschandle(uchar ascii)
|
||
{
|
||
switch (ascii) {
|
||
case '[':
|
||
term.esc |= ESC_CSI;
|
||
return 0;
|
||
case '#':
|
||
term.esc |= ESC_TEST;
|
||
return 0;
|
||
case '%':
|
||
term.esc |= ESC_UTF8;
|
||
return 0;
|
||
case 'P': /* DCS -- Device Control String */
|
||
#if SIXEL_PATCH
|
||
term.esc |= ESC_DCS;
|
||
#endif // SIXEL_PATCH
|
||
case '_': /* APC -- Application Program Command */
|
||
case '^': /* PM -- Privacy Message */
|
||
case ']': /* OSC -- Operating System Command */
|
||
case 'k': /* old title set compatibility */
|
||
tstrsequence(ascii);
|
||
return 0;
|
||
case 'n': /* LS2 -- Locking shift 2 */
|
||
case 'o': /* LS3 -- Locking shift 3 */
|
||
term.charset = 2 + (ascii - 'n');
|
||
break;
|
||
case '(': /* GZD4 -- set primary charset G0 */
|
||
case ')': /* G1D4 -- set secondary charset G1 */
|
||
case '*': /* G2D4 -- set tertiary charset G2 */
|
||
case '+': /* G3D4 -- set quaternary charset G3 */
|
||
term.icharset = ascii - '(';
|
||
term.esc |= ESC_ALTCHARSET;
|
||
return 0;
|
||
case 'D': /* IND -- Linefeed */
|
||
if (term.c.y == term.bot) {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST);
|
||
#elif SCROLLBACK_PATCH
|
||
tscrollup(term.top, 1, 1);
|
||
#else
|
||
tscrollup(term.top, 1);
|
||
#endif // COLUMNS_REFLOW_PATCH | SCROLLBACK_PATCH
|
||
} else {
|
||
tmoveto(term.c.x, term.c.y+1);
|
||
}
|
||
break;
|
||
case 'E': /* NEL -- Next line */
|
||
tnewline(1); /* always go to first col */
|
||
break;
|
||
case 'H': /* HTS -- Horizontal tab stop */
|
||
term.tabs[term.c.x] = 1;
|
||
break;
|
||
case 'M': /* RI -- Reverse index */
|
||
if (term.c.y == term.top) {
|
||
#if SCROLLBACK_PATCH && !COLUMNS_REFLOW_PATCH
|
||
tscrolldown(term.top, 1, 1);
|
||
#else
|
||
tscrolldown(term.top, 1);
|
||
#endif // SCROLLBACK_PATCH
|
||
} else {
|
||
tmoveto(term.c.x, term.c.y-1);
|
||
}
|
||
break;
|
||
case 'Z': /* DECID -- Identify Terminal */
|
||
ttywrite(vtiden, strlen(vtiden), 0);
|
||
break;
|
||
case 'c': /* RIS -- Reset to initial state */
|
||
treset();
|
||
#if CSI_22_23_PATCH
|
||
xfreetitlestack();
|
||
#endif // CSI_22_23_PATCH
|
||
resettitle();
|
||
xloadcols();
|
||
break;
|
||
case '=': /* DECPAM -- Application keypad */
|
||
xsetmode(1, MODE_APPKEYPAD);
|
||
break;
|
||
case '>': /* DECPNM -- Normal keypad */
|
||
xsetmode(0, MODE_APPKEYPAD);
|
||
break;
|
||
case '7': /* DECSC -- Save Cursor */
|
||
tcursor(CURSOR_SAVE);
|
||
break;
|
||
case '8': /* DECRC -- Restore Cursor */
|
||
tcursor(CURSOR_LOAD);
|
||
break;
|
||
case '\\': /* ST -- String Terminator */
|
||
if (term.esc & ESC_STR_END)
|
||
strhandle();
|
||
break;
|
||
default:
|
||
fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
|
||
(uchar) ascii, isprint(ascii)? ascii:'.');
|
||
break;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
void
|
||
tputc(Rune u)
|
||
{
|
||
char c[UTF_SIZ];
|
||
int control;
|
||
int width, len;
|
||
Glyph *gp;
|
||
|
||
control = ISCONTROL(u);
|
||
#if SIXEL_PATCH
|
||
if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL))
|
||
#else
|
||
if (u < 127 || !IS_SET(MODE_UTF8))
|
||
#endif // SIXEL_PATCH
|
||
{
|
||
c[0] = u;
|
||
width = len = 1;
|
||
} else {
|
||
len = utf8encode(u, c);
|
||
if (!control && (width = wcwidth(u)) == -1)
|
||
width = 1;
|
||
}
|
||
|
||
if (IS_SET(MODE_PRINT))
|
||
tprinter(c, len);
|
||
|
||
/*
|
||
* STR sequence must be checked before anything else
|
||
* because it uses all following characters until it
|
||
* receives a ESC, a SUB, a ST or any other C1 control
|
||
* character.
|
||
*/
|
||
if (term.esc & ESC_STR) {
|
||
if (u == '\a' || u == 030 || u == 032 || u == 033 ||
|
||
ISCONTROLC1(u)) {
|
||
#if SIXEL_PATCH
|
||
term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
|
||
#else
|
||
term.esc &= ~(ESC_START|ESC_STR);
|
||
#endif // SIXEL_PATCH
|
||
term.esc |= ESC_STR_END;
|
||
goto check_control_code;
|
||
}
|
||
|
||
#if SIXEL_PATCH
|
||
if (IS_SET(MODE_SIXEL)) {
|
||
if (sixel_parser_parse(&sixel_st, (unsigned char *)&u, 1) != 0)
|
||
perror("sixel_parser_parse() failed");
|
||
return;
|
||
}
|
||
if (term.esc & ESC_DCS)
|
||
goto check_control_code;
|
||
#endif // SIXEL_PATCH
|
||
|
||
if (strescseq.len+len >= strescseq.siz) {
|
||
/*
|
||
* Here is a bug in terminals. If the user never sends
|
||
* some code to stop the str or esc command, then st
|
||
* will stop responding. But this is better than
|
||
* silently failing with unknown characters. At least
|
||
* then users will report back.
|
||
*
|
||
* In the case users ever get fixed, here is the code:
|
||
*/
|
||
/*
|
||
* term.esc = 0;
|
||
* strhandle();
|
||
*/
|
||
if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
|
||
return;
|
||
strescseq.siz *= 2;
|
||
strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
|
||
}
|
||
|
||
memmove(&strescseq.buf[strescseq.len], c, len);
|
||
strescseq.len += len;
|
||
return;
|
||
}
|
||
|
||
check_control_code:
|
||
/*
|
||
* Actions of control codes must be performed as soon they arrive
|
||
* because they can be embedded inside a control sequence, and
|
||
* they must not cause conflicts with sequences.
|
||
*/
|
||
if (control) {
|
||
tcontrolcode(u);
|
||
/*
|
||
* control codes are not shown ever
|
||
*/
|
||
if (!term.esc)
|
||
term.lastc = 0;
|
||
return;
|
||
} else if (term.esc & ESC_START) {
|
||
if (term.esc & ESC_CSI) {
|
||
csiescseq.buf[csiescseq.len++] = u;
|
||
if (BETWEEN(u, 0x40, 0x7E)
|
||
|| csiescseq.len >= \
|
||
sizeof(csiescseq.buf)-1) {
|
||
term.esc = 0;
|
||
csiparse();
|
||
csihandle();
|
||
}
|
||
return;
|
||
#if SIXEL_PATCH
|
||
} else if (term.esc & ESC_DCS) {
|
||
csiescseq.buf[csiescseq.len++] = u;
|
||
if (BETWEEN(u, 0x40, 0x7E)
|
||
|| csiescseq.len >= \
|
||
sizeof(csiescseq.buf)-1) {
|
||
csiparse();
|
||
dcshandle();
|
||
}
|
||
return;
|
||
#endif // SIXEL_PATCH
|
||
} else if (term.esc & ESC_UTF8) {
|
||
tdefutf8(u);
|
||
} else if (term.esc & ESC_ALTCHARSET) {
|
||
tdeftran(u);
|
||
} else if (term.esc & ESC_TEST) {
|
||
tdectest(u);
|
||
} else {
|
||
if (!eschandle(u))
|
||
return;
|
||
/* sequence already finished */
|
||
}
|
||
term.esc = 0;
|
||
/*
|
||
* All characters which form part of a sequence are not
|
||
* printed
|
||
*/
|
||
return;
|
||
}
|
||
#if COLUMNS_REFLOW_PATCH
|
||
if (selected(term.c.x + term.scr, term.c.y + term.scr))
|
||
selclear();
|
||
#elif !VIM_BROWSE_PATCH
|
||
if (selected(term.c.x, term.c.y))
|
||
selclear();
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
gp = &term.line[term.c.y][term.c.x];
|
||
if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
|
||
gp->mode |= ATTR_WRAP;
|
||
tnewline(1);
|
||
gp = &term.line[term.c.y][term.c.x];
|
||
}
|
||
|
||
if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
|
||
memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
|
||
|
||
if (term.c.x+width > term.col) {
|
||
tnewline(1);
|
||
gp = &term.line[term.c.y][term.c.x];
|
||
}
|
||
|
||
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
|
||
term.lastc = u;
|
||
|
||
if (width == 2) {
|
||
gp->mode |= ATTR_WIDE;
|
||
if (term.c.x+1 < term.col) {
|
||
if (gp[1].mode == ATTR_WIDE && term.c.x + 2 < term.col) {
|
||
gp[2].u = ' ';
|
||
gp[2].mode &= ~ATTR_WDUMMY;
|
||
}
|
||
gp[1].u = '\0';
|
||
gp[1].mode = ATTR_WDUMMY;
|
||
}
|
||
}
|
||
if (term.c.x+width < term.col) {
|
||
tmoveto(term.c.x+width, term.c.y);
|
||
} else {
|
||
#if COLUMNS_REFLOW_PATCH
|
||
term.wrapcwidth[IS_SET(MODE_ALTSCREEN)] = width;
|
||
#endif // COLUMNS_REFLOW_PATCH
|
||
term.c.state |= CURSOR_WRAPNEXT;
|
||
}
|
||
}
|
||
|
||
int
|
||
twrite(const char *buf, int buflen, int show_ctrl)
|
||
{
|
||
int charsize;
|
||
Rune u;
|
||
int n;
|
||
|
||
#if SYNC_PATCH
|
||
int su0 = su;
|
||
twrite_aborted = 0;
|
||
#endif // SYNC_PATCH
|
||
|
||
for (n = 0; n < buflen; n += charsize) {
|
||
#if SIXEL_PATCH
|
||
if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL))
|
||
#else
|
||
if (IS_SET(MODE_UTF8))
|
||
#endif // SIXEL_PATCH
|
||
{
|
||
/* process a complete utf8 char */
|
||
charsize = utf8decode(buf + n, &u, buflen - n);
|
||
if (charsize == 0)
|
||
break;
|
||
} else {
|
||
u = buf[n] & 0xFF;
|
||
charsize = 1;
|
||
}
|
||
#if SYNC_PATCH
|
||
if (su0 && !su) {
|
||
twrite_aborted = 1;
|
||
break; // ESU - allow rendering before a new BSU
|
||
}
|
||
#endif // SYNC_PATCH
|
||
if (show_ctrl && ISCONTROL(u)) {
|
||
if (u & 0x80) {
|
||
u &= 0x7f;
|
||
tputc('^');
|
||
tputc('[');
|
||
} else if (u != '\n' && u != '\r' && u != '\t') {
|
||
u ^= 0x40;
|
||
tputc('^');
|
||
}
|
||
}
|
||
tputc(u);
|
||
}
|
||
return n;
|
||
}
|
||
|
||
#if COLUMNS_REFLOW_PATCH
|
||
void
|
||
tresize(int col, int row)
|
||
{
|
||
int *bp;
|
||
|
||
/* col and row are always MAX(_, 1)
|
||
if (col < 1 || row < 1) {
|
||
fprintf(stderr, "tresize: error resizing to %dx%d\n", col, row);
|
||
return;
|
||
} */
|
||
|
||
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
|
||
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
|
||
if (col > term.col) {
|
||
bp = term.tabs + term.col;
|
||
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
|
||
while (--bp > term.tabs && !*bp)
|
||
/* nothing */ ;
|
||
for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
|
||
*bp = 1;
|
||
}
|
||
|
||
#if KEYBOARDSELECT_PATCH
|
||
if ( row < term.row || col < term.col )
|
||
toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
|
||
#endif // KEYBOARDSELECT_PATCH
|
||
|
||
if (IS_SET(MODE_ALTSCREEN))
|
||
tresizealt(col, row);
|
||
else
|
||
tresizedef(col, row);
|
||
}
|
||
#else
|
||
void
|
||
tresize(int col, int row)
|
||
{
|
||
int i;
|
||
#if SCROLLBACK_PATCH
|
||
int j;
|
||
#endif // SCROLLBACK_PATCH
|
||
#if VIM_BROWSE_PATCH
|
||
int const colSet = col, alt = IS_SET(MODE_ALTSCREEN), ini = buf == NULL;
|
||
col = MAX(col, buffCols);
|
||
row = MIN(row, buffSize);
|
||
int const minrow = MIN(row, term.row), mincol = MIN(col, buffCols);
|
||
#elif COLUMNS_PATCH
|
||
int tmp = col;
|
||
int minrow, mincol;
|
||
|
||
if (!term.maxcol)
|
||
term.maxcol = term.col;
|
||
col = MAX(col, term.maxcol);
|
||
minrow = MIN(row, term.row);
|
||
mincol = MIN(col, term.maxcol);
|
||
#else
|
||
int minrow = MIN(row, term.row);
|
||
int mincol = MIN(col, term.col);
|
||
#endif // VIM_BROWSE_PATCH
|
||
int *bp;
|
||
TCursor c;
|
||
|
||
#if KEYBOARDSELECT_PATCH
|
||
if ( row < term.row || col < term.col )
|
||
toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
|
||
#endif // KEYBOARDSELECT_PATCH
|
||
|
||
if (col < 1 || row < 1) {
|
||
fprintf(stderr,
|
||
"tresize: error resizing to %dx%d\n", col, row);
|
||
return;
|
||
}
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
if (alt)
|
||
tswapscreen();
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
/*
|
||
* slide screen to keep cursor where we expect it -
|
||
* tscrollup would work here, but we can optimize to
|
||
* memmove because we're freeing the earlier lines
|
||
*/
|
||
for (i = 0; i <= term.c.y - row; i++) {
|
||
#if !VIM_BROWSE_PATCH
|
||
free(term.line[i]);
|
||
#endif // VIM_BROWSE_PATCH
|
||
free(term.alt[i]);
|
||
}
|
||
/* ensure that both src and dst are not NULL */
|
||
if (i > 0) {
|
||
#if !VIM_BROWSE_PATCH
|
||
memmove(term.line, term.line + i, row * sizeof(Line));
|
||
#endif // VIM_BROWSE_PATCH
|
||
memmove(term.alt, term.alt + i, row * sizeof(Line));
|
||
}
|
||
for (i += row; i < term.row; i++) {
|
||
#if !VIM_BROWSE_PATCH
|
||
free(term.line[i]);
|
||
#endif // VIM_BROWSE_PATCH
|
||
free(term.alt[i]);
|
||
}
|
||
|
||
/* resize to new height */
|
||
#if VIM_BROWSE_PATCH
|
||
buf = xrealloc(buf, (buffSize + row) * sizeof(Line));
|
||
mark = xrealloc(mark, col * row * sizeof(*mark));
|
||
#else
|
||
term.line = xrealloc(term.line, row * sizeof(Line));
|
||
#endif // VIM_BROWSE_PATCH
|
||
term.alt = xrealloc(term.alt, row * sizeof(Line));
|
||
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
|
||
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
|
||
|
||
#if SCROLLBACK_PATCH
|
||
for (i = 0; i < HISTSIZE; i++) {
|
||
term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
|
||
for (j = mincol; j < col; j++) {
|
||
term.hist[i][j] = term.c.attr;
|
||
term.hist[i][j].u = ' ';
|
||
}
|
||
}
|
||
#endif // SCROLLBACK_PATCH
|
||
|
||
/* resize each row to new width, zero-pad if needed */
|
||
for (i = 0; i < minrow; i++) {
|
||
#if !VIM_BROWSE_PATCH
|
||
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
|
||
#endif // VIM_BROWSE_PATCH
|
||
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
|
||
}
|
||
|
||
/* allocate any new rows */
|
||
for (/* i = minrow */; i < row; i++) {
|
||
#if !VIM_BROWSE_PATCH
|
||
term.line[i] = xmalloc(col * sizeof(Glyph));
|
||
#endif // VIM_BROWSE_PATCH
|
||
term.alt[i] = xmalloc(col * sizeof(Glyph));
|
||
}
|
||
#if VIM_BROWSE_PATCH
|
||
if (col > buffCols)
|
||
#elif COLUMNS_PATCH
|
||
if (col > term.maxcol)
|
||
#else
|
||
if (col > term.col)
|
||
#endif // VIM_BROWSE_PATCH
|
||
{
|
||
#if VIM_BROWSE_PATCH
|
||
bp = term.tabs + buffCols;
|
||
memset(bp, 0, sizeof(*term.tabs) * (col - buffCols));
|
||
#elif COLUMNS_PATCH
|
||
bp = term.tabs + term.maxcol;
|
||
memset(bp, 0, sizeof(*term.tabs) * (col - term.maxcol));
|
||
#else
|
||
bp = term.tabs + term.col;
|
||
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
while (--bp > term.tabs && !*bp)
|
||
/* nothing */ ;
|
||
for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
|
||
*bp = 1;
|
||
}
|
||
#if VIM_BROWSE_PATCH
|
||
Glyph g=(Glyph){.bg=term.c.attr.bg, .fg=term.c.attr.fg, .u=' ', .mode=0};
|
||
for (i = 0; i < buffSize; ++i) {
|
||
buf[i] = xrealloc(ini ? NULL : buf[i], col*sizeof(Glyph));
|
||
for (int j = ini ? 0 : buffCols; j < col; ++j) buf[i][j] = g;
|
||
}
|
||
for (i = 0; i < row; ++i) buf[buffSize + i] = buf[i];
|
||
term.line = &buf[*(histOp?&histOff:&insertOff) +=MAX(term.c.y-row+1,0)];
|
||
memset(mark, 0, col * row * sizeof(*mark));
|
||
#endif // VIM_BROWSE_PATCH
|
||
/* update terminal size */
|
||
#if VIM_BROWSE_PATCH
|
||
term.col = colSet;
|
||
buffCols = col;
|
||
#elif COLUMNS_PATCH
|
||
term.col = tmp;
|
||
term.maxcol = col;
|
||
#else
|
||
term.col = col;
|
||
#endif // VIM_BROWSE_PATCH
|
||
term.row = row;
|
||
#if VIM_BROWSE_PATCH
|
||
if (alt)
|
||
tswapscreen();
|
||
#endif // VIM_BROWSE_PATCH
|
||
/* reset scrolling region */
|
||
tsetscroll(0, row-1);
|
||
/* make use of the LIMIT in tmoveto */
|
||
tmoveto(term.c.x, term.c.y);
|
||
/* Clearing both screens (it makes dirty all lines) */
|
||
c = term.c;
|
||
for (i = 0; i < 2; i++) {
|
||
if (mincol < col && 0 < minrow) {
|
||
tclearregion(mincol, 0, col - 1, minrow - 1);
|
||
}
|
||
if (0 < col && minrow < row) {
|
||
tclearregion(0, minrow, col - 1, row - 1);
|
||
}
|
||
tswapscreen();
|
||
tcursor(CURSOR_LOAD);
|
||
}
|
||
term.c = c;
|
||
}
|
||
#endif // COLUMNS_RESIZE_PATCH
|
||
|
||
void
|
||
resettitle(void)
|
||
{
|
||
#if CSI_22_23_PATCH
|
||
xsettitle(NULL, 0);
|
||
#else
|
||
xsettitle(NULL);
|
||
#endif // CSI_22_23_PATCH
|
||
}
|
||
|
||
void
|
||
drawregion(int x1, int y1, int x2, int y2)
|
||
{
|
||
#if VIM_BROWSE_PATCH
|
||
if (altToggle && histMode && !histOp)
|
||
memset(term.dirty, 0, sizeof(*term.dirty) * term.row);
|
||
int const o = !IS_SET(MODE_ALTSCREEN) && histMode && !histOp, h =rows();
|
||
#endif // VIM_BROWSE_PATCH
|
||
int y;
|
||
|
||
for (y = y1; y < y2; y++) {
|
||
#if VIM_BROWSE_PATCH
|
||
int const oy = o ? (y + insertOff - histOff + h) % h : y;
|
||
if (!BETWEEN(oy, 0, term.row-1) || !term.dirty[y]) continue;
|
||
xdrawline(term.line[y], x1, oy, x2);
|
||
#else
|
||
if (!term.dirty[y])
|
||
continue;
|
||
|
||
term.dirty[y] = 0;
|
||
#if SCROLLBACK_PATCH || COLUMNS_REFLOW_PATCH
|
||
xdrawline(TLINE(y), x1, y, x2);
|
||
#else
|
||
xdrawline(term.line[y], x1, y, x2);
|
||
#endif // SCROLLBACK_PATCH | COLUMNS_REFLOW_PATCH
|
||
#endif // VIM_BROWSE_PATCH
|
||
}
|
||
#if VIM_BROWSE_PATCH
|
||
memset(&term.dirty[y1], 0, sizeof(*term.dirty) * (y2 - y1));
|
||
#endif // VIM_BROWSE_PATCH
|
||
}
|
||
|
||
#include "patch/st_include.c"
|
||
|
||
void
|
||
draw(void)
|
||
{
|
||
int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
|
||
|
||
if (!xstartdraw())
|
||
return;
|
||
|
||
/* adjust cursor position */
|
||
LIMIT(term.ocx, 0, term.col-1);
|
||
LIMIT(term.ocy, 0, term.row-1);
|
||
if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
|
||
term.ocx--;
|
||
if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
|
||
cx--;
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
if (histMode)
|
||
historyPreDraw();
|
||
#endif // VIM_BROWSE_PATCH
|
||
|
||
drawregion(0, 0, term.col, term.row);
|
||
|
||
#if VIM_BROWSE_PATCH
|
||
if (!histMode)
|
||
#elif SCROLLBACK_PATCH
|
||
if (term.scr == 0)
|
||
#endif // SCROLLBACK_PATCH
|
||
#if LIGATURES_PATCH
|
||
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
|
||
term.ocx, term.ocy, term.line[term.ocy][term.ocx],
|
||
term.line[term.ocy], term.col);
|
||
#else
|
||
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
|
||
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
|
||
#endif // LIGATURES_PATCH
|
||
term.ocx = cx;
|
||
term.ocy = term.c.y;
|
||
xfinishdraw();
|
||
if (ocx != term.ocx || ocy != term.ocy)
|
||
xximspot(term.ocx, term.ocy);
|
||
}
|
||
|
||
void
|
||
redraw(void)
|
||
{
|
||
tfulldirt();
|
||
draw();
|
||
}
|