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@@ -1,2604 +0,0 @@
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-/* See LICENSE for license details. */
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-#include <ctype.h>
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-#include <errno.h>
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-#include <fcntl.h>
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-#include <limits.h>
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-#include <pwd.h>
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-#include <stdarg.h>
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-#include <stdio.h>
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-#include <stdlib.h>
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-#include <string.h>
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-#include <signal.h>
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-#include <sys/ioctl.h>
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-#include <sys/select.h>
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-#include <sys/types.h>
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-#include <sys/wait.h>
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-#include <termios.h>
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-#include <unistd.h>
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-#include <wchar.h>
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-
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-#include "st.h"
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-#include "win.h"
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-
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-#if defined(__linux)
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- #include <pty.h>
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-#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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- #include <util.h>
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-#elif defined(__FreeBSD__) || defined(__DragonFly__)
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- #include <libutil.h>
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-#endif
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-
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-/* Arbitrary sizes */
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-#define UTF_INVALID 0xFFFD
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-#define UTF_SIZ 4
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-#define ESC_BUF_SIZ (128*UTF_SIZ)
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-#define ESC_ARG_SIZ 16
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-#define STR_BUF_SIZ ESC_BUF_SIZ
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-#define STR_ARG_SIZ ESC_ARG_SIZ
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-
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-/* macros */
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-#define IS_SET(flag) ((term.mode & (flag)) != 0)
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-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
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-#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
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-#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
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-#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
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-
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-enum term_mode {
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- MODE_WRAP = 1 << 0,
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- MODE_INSERT = 1 << 1,
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- MODE_ALTSCREEN = 1 << 2,
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- MODE_CRLF = 1 << 3,
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- MODE_ECHO = 1 << 4,
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- MODE_PRINT = 1 << 5,
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- MODE_UTF8 = 1 << 6,
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- MODE_SIXEL = 1 << 7,
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-};
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-
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-enum cursor_movement {
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- CURSOR_SAVE,
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- CURSOR_LOAD
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-};
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-
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-enum cursor_state {
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- CURSOR_DEFAULT = 0,
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- CURSOR_WRAPNEXT = 1,
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- CURSOR_ORIGIN = 2
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-};
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-
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-enum charset {
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- CS_GRAPHIC0,
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- CS_GRAPHIC1,
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- CS_UK,
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- CS_USA,
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- CS_MULTI,
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- CS_GER,
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- CS_FIN
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-};
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-
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-enum escape_state {
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- ESC_START = 1,
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- ESC_CSI = 2,
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- ESC_STR = 4, /* OSC, PM, APC */
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- ESC_ALTCHARSET = 8,
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- ESC_STR_END = 16, /* a final string was encountered */
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- ESC_TEST = 32, /* Enter in test mode */
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- ESC_UTF8 = 64,
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- ESC_DCS =128,
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-};
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-
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-typedef struct {
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- Glyph attr; /* current char attributes */
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- int x;
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- int y;
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- char state;
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-} TCursor;
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-
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-typedef struct {
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- int mode;
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- int type;
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- int snap;
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- /*
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- * Selection variables:
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- * nb – normalized coordinates of the beginning of the selection
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- * ne – normalized coordinates of the end of the selection
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- * ob – original coordinates of the beginning of the selection
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- * oe – original coordinates of the end of the selection
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- */
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- struct {
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- int x, y;
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- } nb, ne, ob, oe;
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-
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- int alt;
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-} Selection;
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-
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-/* Internal representation of the screen */
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-typedef struct {
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- int row; /* nb row */
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- int col; /* nb col */
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- Line *line; /* screen */
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- Line *alt; /* alternate screen */
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- int *dirty; /* dirtyness of lines */
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- TCursor c; /* cursor */
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- int ocx; /* old cursor col */
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- int ocy; /* old cursor row */
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- int top; /* top scroll limit */
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- int bot; /* bottom scroll limit */
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- int mode; /* terminal mode flags */
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- int esc; /* escape state flags */
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- char trantbl[4]; /* charset table translation */
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- int charset; /* current charset */
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- int icharset; /* selected charset for sequence */
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- int *tabs;
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-} Term;
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-
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-/* CSI Escape sequence structs */
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-/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
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-typedef struct {
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- char buf[ESC_BUF_SIZ]; /* raw string */
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- int len; /* raw string length */
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- char priv;
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- int arg[ESC_ARG_SIZ];
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- int narg; /* nb of args */
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- char mode[2];
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-} CSIEscape;
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-
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-/* STR Escape sequence structs */
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-/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
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-typedef struct {
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- char type; /* ESC type ... */
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- char buf[STR_BUF_SIZ]; /* raw string */
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- int len; /* raw string length */
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- char *args[STR_ARG_SIZ];
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- int narg; /* nb of args */
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-} STREscape;
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-
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-static void execsh(char *, char **);
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-static void stty(char **);
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-static void sigchld(int);
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-static void ttywriteraw(const char *, size_t);
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-
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-static void csidump(void);
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-static void csihandle(void);
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-static void csiparse(void);
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-static void csireset(void);
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-static int eschandle(uchar);
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-static void strdump(void);
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-static void strhandle(void);
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-static void strparse(void);
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-static void strreset(void);
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-
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-static void tprinter(char *, size_t);
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-static void tdumpsel(void);
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-static void tdumpline(int);
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-static void tdump(void);
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-static void tclearregion(int, int, int, int);
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-static void tcursor(int);
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-static void tdeletechar(int);
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-static void tdeleteline(int);
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-static void tinsertblank(int);
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-static void tinsertblankline(int);
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-static int tlinelen(int);
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-static void tmoveto(int, int);
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-static void tmoveato(int, int);
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-static void tnewline(int);
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-static void tputtab(int);
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-static void tputc(Rune);
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-static void treset(void);
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-static void tscrollup(int, int);
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-static void tscrolldown(int, int);
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-static void tsetattr(int *, int);
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-static void tsetchar(Rune, Glyph *, int, int);
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-static void tsetdirt(int, int);
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-static void tsetscroll(int, int);
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-static void tswapscreen(void);
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-static void tsetmode(int, int, int *, int);
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-static int twrite(const char *, int, int);
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-static void tfulldirt(void);
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-static void tcontrolcode(uchar );
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-static void tdectest(char );
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-static void tdefutf8(char);
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-static int32_t tdefcolor(int *, int *, int);
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-static void tdeftran(char);
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-static void tstrsequence(uchar);
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-
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-static void drawregion(int, int, int, int);
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-
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-static void selnormalize(void);
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-static void selscroll(int, int);
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-static void selsnap(int *, int *, int);
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-
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-static size_t utf8decode(const char *, Rune *, size_t);
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-static Rune utf8decodebyte(char, size_t *);
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-static char utf8encodebyte(Rune, size_t);
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-static char *utf8strchr(char *, Rune);
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-static size_t utf8validate(Rune *, size_t);
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-
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-static char *base64dec(const char *);
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-static char base64dec_getc(const char **);
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-
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-static ssize_t xwrite(int, const char *, size_t);
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-
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-/* Globals */
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-static Term term;
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-static Selection sel;
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-static CSIEscape csiescseq;
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-static STREscape strescseq;
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-static int iofd = 1;
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-static int cmdfd;
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-static pid_t pid;
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-
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-static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
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-static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
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-static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
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-static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
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-
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-ssize_t
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-xwrite(int fd, const char *s, size_t len)
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-{
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- size_t aux = len;
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- ssize_t r;
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-
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- while (len > 0) {
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- r = write(fd, s, len);
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- if (r < 0)
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- return r;
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- len -= r;
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- s += r;
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- }
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-
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- return aux;
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-}
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-
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-void *
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-xmalloc(size_t len)
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-{
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- void *p;
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-
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- if (!(p = malloc(len)))
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- die("malloc: %s\n", strerror(errno));
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-
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- return p;
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-}
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-
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-void *
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-xrealloc(void *p, size_t len)
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-{
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- if ((p = realloc(p, len)) == NULL)
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- die("realloc: %s\n", strerror(errno));
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-
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- return p;
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-}
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-
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-char *
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-xstrdup(char *s)
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-{
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- if ((s = strdup(s)) == NULL)
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- die("strdup: %s\n", strerror(errno));
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-
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- return s;
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-}
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-
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-size_t
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-utf8decode(const char *c, Rune *u, size_t clen)
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-{
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- size_t i, j, len, type;
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- Rune udecoded;
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-
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- *u = UTF_INVALID;
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- if (!clen)
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- return 0;
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- udecoded = utf8decodebyte(c[0], &len);
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- if (!BETWEEN(len, 1, UTF_SIZ))
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- return 1;
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- for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
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- udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
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- if (type != 0)
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- return j;
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- }
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- if (j < len)
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- return 0;
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- *u = udecoded;
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- utf8validate(u, len);
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-
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- return len;
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-}
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-
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-Rune
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-utf8decodebyte(char c, size_t *i)
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-{
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- for (*i = 0; *i < LEN(utfmask); ++(*i))
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- if (((uchar)c & utfmask[*i]) == utfbyte[*i])
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- return (uchar)c & ~utfmask[*i];
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-
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- return 0;
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-}
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-
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-size_t
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-utf8encode(Rune u, char *c)
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-{
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- size_t len, i;
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-
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- len = utf8validate(&u, 0);
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- if (len > UTF_SIZ)
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- return 0;
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-
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- for (i = len - 1; i != 0; --i) {
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- c[i] = utf8encodebyte(u, 0);
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- u >>= 6;
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- }
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- c[0] = utf8encodebyte(u, len);
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-
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- return len;
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-}
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-
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-char
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-utf8encodebyte(Rune u, size_t i)
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-{
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- return utfbyte[i] | (u & ~utfmask[i]);
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-}
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-
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-char *
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-utf8strchr(char *s, Rune u)
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-{
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- Rune r;
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- size_t i, j, len;
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-
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- len = strlen(s);
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- for (i = 0, j = 0; i < len; i += j) {
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- if (!(j = utf8decode(&s[i], &r, len - i)))
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- break;
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- if (r == u)
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- return &(s[i]);
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- }
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-
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- return NULL;
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-}
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-
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-size_t
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-utf8validate(Rune *u, size_t i)
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-{
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- if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
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- *u = UTF_INVALID;
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- for (i = 1; *u > utfmax[i]; ++i)
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- ;
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-
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- return i;
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-}
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-
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-static const char base64_digits[] = {
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
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- 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
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- 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
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- 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
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- 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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-};
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-
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-char
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-base64dec_getc(const char **src)
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-{
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- while (**src && !isprint(**src)) (*src)++;
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- return *((*src)++);
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-}
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-
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-char *
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-base64dec(const char *src)
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-{
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- size_t in_len = strlen(src);
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- char *result, *dst;
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-
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- if (in_len % 4)
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- in_len += 4 - (in_len % 4);
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- result = dst = xmalloc(in_len / 4 * 3 + 1);
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- while (*src) {
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- int a = base64_digits[(unsigned char) base64dec_getc(&src)];
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- int b = base64_digits[(unsigned char) base64dec_getc(&src)];
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|
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- int c = base64_digits[(unsigned char) base64dec_getc(&src)];
|
|
|
- int d = base64_digits[(unsigned char) base64dec_getc(&src)];
|
|
|
-
|
|
|
- *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;
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-tlinelen(int y)
|
|
|
-{
|
|
|
- int i = term.col;
|
|
|
-
|
|
|
- if (term.line[y][i - 1].mode & ATTR_WRAP)
|
|
|
- return i;
|
|
|
-
|
|
|
- while (i > 0 && term.line[y][i - 1].u == ' ')
|
|
|
- --i;
|
|
|
-
|
|
|
- return i;
|
|
|
-}
|
|
|
-
|
|
|
-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;
|
|
|
- sel.oe.y = sel.ob.y = row;
|
|
|
- selnormalize();
|
|
|
-
|
|
|
- if (sel.snap != 0)
|
|
|
- sel.mode = SEL_READY;
|
|
|
- tsetdirt(sel.nb.y, sel.ne.y);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-selextend(int col, int row, int type, int done)
|
|
|
-{
|
|
|
- int oldey, oldex, oldsby, oldsey, oldtype;
|
|
|
-
|
|
|
- if (sel.mode == SEL_IDLE)
|
|
|
- return;
|
|
|
- if (done && sel.mode == SEL_EMPTY) {
|
|
|
- selclear();
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- oldey = sel.oe.y;
|
|
|
- oldex = sel.oe.x;
|
|
|
- oldsby = sel.nb.y;
|
|
|
- oldsey = sel.ne.y;
|
|
|
- oldtype = sel.type;
|
|
|
-
|
|
|
- sel.oe.x = col;
|
|
|
- sel.oe.y = row;
|
|
|
- selnormalize();
|
|
|
- sel.type = type;
|
|
|
-
|
|
|
- if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type)
|
|
|
- tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
|
|
|
-
|
|
|
- sel.mode = done ? SEL_IDLE : SEL_READY;
|
|
|
-}
|
|
|
-
|
|
|
-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);
|
|
|
-
|
|
|
- /* 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;
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-selected(int x, int y)
|
|
|
-{
|
|
|
- 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);
|
|
|
-
|
|
|
- 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);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-selsnap(int *x, int *y, int direction)
|
|
|
-{
|
|
|
- int newx, newy, xt, yt;
|
|
|
- int delim, prevdelim;
|
|
|
- Glyph *gp, *prevgp;
|
|
|
-
|
|
|
- switch (sel.snap) {
|
|
|
- case SNAP_WORD:
|
|
|
- /*
|
|
|
- * Snap around if the word wraps around at the end or
|
|
|
- * beginning of a line.
|
|
|
- */
|
|
|
- prevgp = &term.line[*y][*x];
|
|
|
- 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 (!BETWEEN(newy, 0, term.row - 1))
|
|
|
- break;
|
|
|
-
|
|
|
- if (direction > 0)
|
|
|
- yt = *y, xt = *x;
|
|
|
- else
|
|
|
- yt = newy, xt = newx;
|
|
|
- if (!(term.line[yt][xt].mode & ATTR_WRAP))
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (newx >= tlinelen(newy))
|
|
|
- break;
|
|
|
-
|
|
|
- gp = &term.line[newy][newx];
|
|
|
- delim = ISDELIM(gp->u);
|
|
|
- if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|
|
|
- || (delim && gp->u != prevgp->u)))
|
|
|
- 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) {
|
|
|
- for (; *y > 0; *y += direction) {
|
|
|
- if (!(term.line[*y-1][term.col-1].mode
|
|
|
- & ATTR_WRAP)) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- } else if (direction > 0) {
|
|
|
- for (; *y < term.row-1; *y += direction) {
|
|
|
- if (!(term.line[*y][term.col-1].mode
|
|
|
- & ATTR_WRAP)) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-char *
|
|
|
-getsel(void)
|
|
|
-{
|
|
|
- char *str, *ptr;
|
|
|
- int y, bufsize, lastx, linelen;
|
|
|
- Glyph *gp, *last;
|
|
|
-
|
|
|
- if (sel.ob.x == -1)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
|
|
|
- ptr = str = xmalloc(bufsize);
|
|
|
-
|
|
|
- /* append every set & selected glyph to the selection */
|
|
|
- for (y = sel.nb.y; y <= sel.ne.y; y++) {
|
|
|
- if ((linelen = tlinelen(y)) == 0) {
|
|
|
- *ptr++ = '\n';
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- if (sel.type == SEL_RECTANGULAR) {
|
|
|
- gp = &term.line[y][sel.nb.x];
|
|
|
- lastx = sel.ne.x;
|
|
|
- } else {
|
|
|
- gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
|
|
|
- lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
|
|
|
- }
|
|
|
- last = &term.line[y][MIN(lastx, linelen-1)];
|
|
|
- while (last >= gp && last->u == ' ')
|
|
|
- --last;
|
|
|
-
|
|
|
- for ( ; gp <= last; ++gp) {
|
|
|
- if (gp->mode & ATTR_WDUMMY)
|
|
|
- continue;
|
|
|
-
|
|
|
- ptr += utf8encode(gp->u, ptr);
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * 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 ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
|
|
|
- *ptr++ = '\n';
|
|
|
- }
|
|
|
- *ptr = 0;
|
|
|
- return str;
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-selclear(void)
|
|
|
-{
|
|
|
- if (sel.ob.x == -1)
|
|
|
- return;
|
|
|
- sel.mode = SEL_IDLE;
|
|
|
- sel.ob.x = -1;
|
|
|
- tsetdirt(sel.nb.y, sel.ne.y);
|
|
|
-}
|
|
|
-
|
|
|
-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;
|
|
|
- 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];
|
|
|
- else if (utmp)
|
|
|
- prog = utmp;
|
|
|
- else
|
|
|
- prog = sh;
|
|
|
- DEFAULT(args, ((char *[]) {prog, 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 ((p = waitpid(pid, &stat, WNOHANG)) < 0)
|
|
|
- die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
|
|
|
-
|
|
|
- if (pid != p)
|
|
|
- return;
|
|
|
-
|
|
|
- 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(char *line, char *cmd, char *out, char **args)
|
|
|
-{
|
|
|
- int m, s;
|
|
|
-
|
|
|
- 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);
|
|
|
- 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);
|
|
|
-#ifdef __OpenBSD__
|
|
|
- if (pledge("stdio getpw proc exec", NULL) == -1)
|
|
|
- die("pledge\n");
|
|
|
-#endif
|
|
|
- execsh(cmd, args);
|
|
|
- break;
|
|
|
- default:
|
|
|
-#ifdef __OpenBSD__
|
|
|
- if (pledge("stdio rpath tty proc", NULL) == -1)
|
|
|
- die("pledge\n");
|
|
|
-#endif
|
|
|
- close(s);
|
|
|
- cmdfd = m;
|
|
|
- signal(SIGCHLD, sigchld);
|
|
|
- break;
|
|
|
- }
|
|
|
- return cmdfd;
|
|
|
-}
|
|
|
-
|
|
|
-size_t
|
|
|
-ttyread(void)
|
|
|
-{
|
|
|
- static char buf[BUFSIZ];
|
|
|
- static int buflen = 0;
|
|
|
- int written;
|
|
|
- int ret;
|
|
|
-
|
|
|
- /* append read bytes to unprocessed bytes */
|
|
|
- if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
|
|
|
- die("couldn't read from shell: %s\n", strerror(errno));
|
|
|
- buflen += ret;
|
|
|
-
|
|
|
- written = twrite(buf, buflen, 0);
|
|
|
- buflen -= written;
|
|
|
- /* keep any uncomplete utf8 char 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 (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) {
|
|
|
- tsetdirt(i, i);
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tfulldirt(void)
|
|
|
-{
|
|
|
- tsetdirt(0, term.row-1);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tcursor(int mode)
|
|
|
-{
|
|
|
- static TCursor c[2];
|
|
|
- int alt = IS_SET(MODE_ALTSCREEN);
|
|
|
-
|
|
|
- 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;
|
|
|
-
|
|
|
- term.c = (TCursor){{
|
|
|
- .mode = ATTR_NULL,
|
|
|
- .fg = defaultfg,
|
|
|
- .bg = defaultbg
|
|
|
- }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
|
|
|
-
|
|
|
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
|
|
|
- for (i = tabspaces; i < term.col; i += tabspaces)
|
|
|
- term.tabs[i] = 1;
|
|
|
- term.top = 0;
|
|
|
- term.bot = term.row - 1;
|
|
|
- term.mode = MODE_WRAP|MODE_UTF8;
|
|
|
- memset(term.trantbl, CS_USA, sizeof(term.trantbl));
|
|
|
- term.charset = 0;
|
|
|
-
|
|
|
- for (i = 0; i < 2; i++) {
|
|
|
- tmoveto(0, 0);
|
|
|
- tcursor(CURSOR_SAVE);
|
|
|
- tclearregion(0, 0, term.col-1, term.row-1);
|
|
|
- tswapscreen();
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tnew(int col, int row)
|
|
|
-{
|
|
|
- term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
|
|
|
- tresize(col, row);
|
|
|
- treset();
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tswapscreen(void)
|
|
|
-{
|
|
|
- Line *tmp = term.line;
|
|
|
-
|
|
|
- term.line = term.alt;
|
|
|
- term.alt = tmp;
|
|
|
- term.mode ^= MODE_ALTSCREEN;
|
|
|
- tfulldirt();
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tscrolldown(int orig, int n)
|
|
|
-{
|
|
|
- int i;
|
|
|
- Line temp;
|
|
|
-
|
|
|
- LIMIT(n, 0, term.bot-orig+1);
|
|
|
-
|
|
|
- tsetdirt(orig, term.bot-n);
|
|
|
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
|
|
|
-
|
|
|
- for (i = term.bot; i >= orig+n; i--) {
|
|
|
- temp = term.line[i];
|
|
|
- term.line[i] = term.line[i-n];
|
|
|
- term.line[i-n] = temp;
|
|
|
- }
|
|
|
-
|
|
|
- selscroll(orig, n);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tscrollup(int orig, int n)
|
|
|
-{
|
|
|
- int i;
|
|
|
- Line temp;
|
|
|
-
|
|
|
- LIMIT(n, 0, term.bot-orig+1);
|
|
|
-
|
|
|
- tclearregion(0, orig, term.col-1, orig+n-1);
|
|
|
- tsetdirt(orig+n, term.bot);
|
|
|
-
|
|
|
- for (i = orig; i <= term.bot-n; i++) {
|
|
|
- temp = term.line[i];
|
|
|
- term.line[i] = term.line[i+n];
|
|
|
- term.line[i+n] = temp;
|
|
|
- }
|
|
|
-
|
|
|
- selscroll(orig, -n);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-selscroll(int orig, int n)
|
|
|
-{
|
|
|
- if (sel.ob.x == -1)
|
|
|
- return;
|
|
|
-
|
|
|
- if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
|
|
|
- if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
|
|
|
- selclear();
|
|
|
- return;
|
|
|
- }
|
|
|
- if (sel.type == SEL_RECTANGULAR) {
|
|
|
- if (sel.ob.y < term.top)
|
|
|
- sel.ob.y = term.top;
|
|
|
- if (sel.oe.y > term.bot)
|
|
|
- sel.oe.y = term.bot;
|
|
|
- } else {
|
|
|
- if (sel.ob.y < term.top) {
|
|
|
- sel.ob.y = term.top;
|
|
|
- sel.ob.x = 0;
|
|
|
- }
|
|
|
- if (sel.oe.y > term.bot) {
|
|
|
- sel.oe.y = term.bot;
|
|
|
- sel.oe.x = term.col;
|
|
|
- }
|
|
|
- }
|
|
|
- selnormalize();
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tnewline(int first_col)
|
|
|
-{
|
|
|
- int y = term.c.y;
|
|
|
-
|
|
|
- if (y == term.bot) {
|
|
|
- tscrollup(term.top, 1);
|
|
|
- } else {
|
|
|
- y++;
|
|
|
- }
|
|
|
- tmoveto(first_col ? 0 : term.c.x, y);
|
|
|
-}
|
|
|
-
|
|
|
-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 (*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, Glyph *attr, int x, int y)
|
|
|
-{
|
|
|
- static 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;
|
|
|
-}
|
|
|
-
|
|
|
-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;
|
|
|
-
|
|
|
- LIMIT(x1, 0, term.col-1);
|
|
|
- LIMIT(x2, 0, term.col-1);
|
|
|
- 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 = ' ';
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-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);
|
|
|
-}
|
|
|
-
|
|
|
-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);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tinsertblankline(int n)
|
|
|
-{
|
|
|
- if (BETWEEN(term.c.y, term.top, term.bot))
|
|
|
- tscrolldown(term.c.y, n);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tdeleteline(int n)
|
|
|
-{
|
|
|
- if (BETWEEN(term.c.y, term.top, term.bot))
|
|
|
- tscrollup(term.c.y, n);
|
|
|
-}
|
|
|
-
|
|
|
-int32_t
|
|
|
-tdefcolor(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(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;
|
|
|
- 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:
|
|
|
- term.c.attr.mode |= ATTR_UNDERLINE;
|
|
|
- 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)
|
|
|
- term.c.attr.fg = idx;
|
|
|
- break;
|
|
|
- case 39:
|
|
|
- term.c.attr.fg = defaultfg;
|
|
|
- break;
|
|
|
- case 48:
|
|
|
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
|
|
|
- term.c.attr.bg = idx;
|
|
|
- break;
|
|
|
- case 49:
|
|
|
- term.c.attr.bg = defaultbg;
|
|
|
- break;
|
|
|
- default:
|
|
|
- if (BETWEEN(attr[i], 30, 37)) {
|
|
|
- term.c.attr.fg = attr[i] - 30;
|
|
|
- } else if (BETWEEN(attr[i], 40, 47)) {
|
|
|
- term.c.attr.bg = attr[i] - 40;
|
|
|
- } else if (BETWEEN(attr[i], 90, 97)) {
|
|
|
- term.c.attr.fg = attr[i] - 90 + 8;
|
|
|
- } else if (BETWEEN(attr[i], 100, 107)) {
|
|
|
- term.c.attr.bg = attr[i] - 100 + 8;
|
|
|
- } 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, int *args, int narg)
|
|
|
-{
|
|
|
- int alt, *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 (!allowaltscreen)
|
|
|
- break;
|
|
|
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
|
|
|
- /* FALLTHROUGH */
|
|
|
- case 47: /* swap screen */
|
|
|
- case 1047:
|
|
|
- if (!allowaltscreen)
|
|
|
- break;
|
|
|
- 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 */
|
|
|
- case 1048:
|
|
|
- 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. */
|
|
|
- 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];
|
|
|
- int len;
|
|
|
-
|
|
|
- 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 '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 */
|
|
|
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
|
|
|
- if (term.c.y < term.row-1) {
|
|
|
- tclearregion(0, term.c.y+1, term.col-1,
|
|
|
- term.row-1);
|
|
|
- }
|
|
|
- break;
|
|
|
- case 1: /* above */
|
|
|
- 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);
|
|
|
- break;
|
|
|
- case 2: /* all */
|
|
|
- tclearregion(0, 0, term.col-1, term.row-1);
|
|
|
- break;
|
|
|
- default:
|
|
|
- goto unknown;
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'K': /* EL -- Clear line */
|
|
|
- switch (csiescseq.arg[0]) {
|
|
|
- case 0: /* right */
|
|
|
- tclearregion(term.c.x, term.c.y, term.col-1,
|
|
|
- term.c.y);
|
|
|
- break;
|
|
|
- case 1: /* left */
|
|
|
- tclearregion(0, term.c.y, term.c.x, term.c.y);
|
|
|
- break;
|
|
|
- case 2: /* all */
|
|
|
- tclearregion(0, term.c.y, term.col-1, term.c.y);
|
|
|
- break;
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'S': /* SU -- Scroll <n> line up */
|
|
|
- DEFAULT(csiescseq.arg[0], 1);
|
|
|
- tscrollup(term.top, csiescseq.arg[0]);
|
|
|
- break;
|
|
|
- case 'T': /* SD -- Scroll <n> line down */
|
|
|
- DEFAULT(csiescseq.arg[0], 1);
|
|
|
- tscrolldown(term.top, csiescseq.arg[0]);
|
|
|
- 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 */
|
|
|
- DEFAULT(csiescseq.arg[0], 1);
|
|
|
- tclearregion(term.c.x, term.c.y,
|
|
|
- term.c.x + csiescseq.arg[0] - 1, term.c.y);
|
|
|
- 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) {
|
|
|
- len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
|
|
|
- term.c.y+1, term.c.x+1);
|
|
|
- ttywrite(buf, len, 0);
|
|
|
- }
|
|
|
- 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;
|
|
|
- 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)
|
|
|
-{
|
|
|
- int 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
|
|
|
-strhandle(void)
|
|
|
-{
|
|
|
- char *p = NULL;
|
|
|
- int j, narg, par;
|
|
|
-
|
|
|
- term.esc &= ~(ESC_STR_END|ESC_STR);
|
|
|
- strparse();
|
|
|
- par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
|
|
|
-
|
|
|
- switch (strescseq.type) {
|
|
|
- case ']': /* OSC -- Operating System Command */
|
|
|
- switch (par) {
|
|
|
- case 0:
|
|
|
- case 1:
|
|
|
- case 2:
|
|
|
- if (narg > 1)
|
|
|
- xsettitle(strescseq.args[1]);
|
|
|
- return;
|
|
|
- case 52:
|
|
|
- if (narg > 2) {
|
|
|
- char *dec;
|
|
|
-
|
|
|
- dec = base64dec(strescseq.args[2]);
|
|
|
- if (dec) {
|
|
|
- xsetsel(dec);
|
|
|
- xclipcopy();
|
|
|
- } else {
|
|
|
- fprintf(stderr, "erresc: invalid base64\n");
|
|
|
- }
|
|
|
- }
|
|
|
- return;
|
|
|
- case 4: /* color set */
|
|
|
- if (narg < 3)
|
|
|
- break;
|
|
|
- p = strescseq.args[2];
|
|
|
- /* FALLTHROUGH */
|
|
|
- case 104: /* color reset, here p = NULL */
|
|
|
- j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
|
|
|
- if (xsetcolorname(j, p)) {
|
|
|
- fprintf(stderr, "erresc: invalid color %s\n", p);
|
|
|
- } else {
|
|
|
- /*
|
|
|
- * TODO if defaultbg color is changed, borders
|
|
|
- * are dirty
|
|
|
- */
|
|
|
- redraw();
|
|
|
- }
|
|
|
- return;
|
|
|
- }
|
|
|
- break;
|
|
|
- case 'k': /* old title set compatibility */
|
|
|
- xsettitle(strescseq.args[0]);
|
|
|
- return;
|
|
|
- case 'P': /* DCS -- Device Control String */
|
|
|
- term.mode |= ESC_DCS;
|
|
|
- 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;
|
|
|
- strescseq.buf[strescseq.len] = '\0';
|
|
|
-
|
|
|
- if (*p == '\0')
|
|
|
- return;
|
|
|
-
|
|
|
- while (strescseq.narg < STR_ARG_SIZ) {
|
|
|
- strescseq.args[strescseq.narg++] = p;
|
|
|
- while ((c = *p) != ';' && c != '\0')
|
|
|
- ++p;
|
|
|
- if (c == '\0')
|
|
|
- return;
|
|
|
- *p++ = '\0';
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-strdump(void)
|
|
|
-{
|
|
|
- int 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)
|
|
|
-{
|
|
|
- memset(&strescseq, 0, sizeof(strescseq));
|
|
|
-}
|
|
|
-
|
|
|
-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);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tdumpline(int n)
|
|
|
-{
|
|
|
- char buf[UTF_SIZ];
|
|
|
- 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);
|
|
|
-}
|
|
|
-
|
|
|
-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)
|
|
|
-{
|
|
|
- strreset();
|
|
|
-
|
|
|
- switch (c) {
|
|
|
- case 0x90: /* DCS -- Device Control String */
|
|
|
- c = 'P';
|
|
|
- term.esc |= ESC_DCS;
|
|
|
- break;
|
|
|
- case 0x9f: /* APC -- Application Program Command */
|
|
|
- c = '_';
|
|
|
- break;
|
|
|
- case 0x9e: /* PM -- Privacy Message */
|
|
|
- c = '^';
|
|
|
- break;
|
|
|
- case 0x9d: /* OSC -- Operating System Command */
|
|
|
- c = ']';
|
|
|
- break;
|
|
|
- }
|
|
|
- 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);
|
|
|
- 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 */
|
|
|
- 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) {
|
|
|
- tscrollup(term.top, 1);
|
|
|
- } 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) {
|
|
|
- tscrolldown(term.top, 1);
|
|
|
- } 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();
|
|
|
- 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 (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
|
|
|
- c[0] = u;
|
|
|
- width = len = 1;
|
|
|
- } else {
|
|
|
- len = utf8encode(u, c);
|
|
|
- if (!control && (width = wcwidth(u)) == -1) {
|
|
|
- memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
|
|
|
- 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)) {
|
|
|
- term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
|
|
|
- if (IS_SET(MODE_SIXEL)) {
|
|
|
- /* TODO: render sixel */;
|
|
|
- term.mode &= ~MODE_SIXEL;
|
|
|
- return;
|
|
|
- }
|
|
|
- term.esc |= ESC_STR_END;
|
|
|
- goto check_control_code;
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- if (IS_SET(MODE_SIXEL)) {
|
|
|
- /* TODO: implement sixel mode */
|
|
|
- return;
|
|
|
- }
|
|
|
- if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
|
|
|
- term.mode |= MODE_SIXEL;
|
|
|
-
|
|
|
- if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
|
|
|
- /*
|
|
|
- * 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();
|
|
|
- */
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- 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
|
|
|
- */
|
|
|
- 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;
|
|
|
- } 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 (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
|
|
|
- selclear();
|
|
|
-
|
|
|
- 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);
|
|
|
-
|
|
|
- if (width == 2) {
|
|
|
- gp->mode |= ATTR_WIDE;
|
|
|
- if (term.c.x+1 < term.col) {
|
|
|
- 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 {
|
|
|
- term.c.state |= CURSOR_WRAPNEXT;
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-int
|
|
|
-twrite(const char *buf, int buflen, int show_ctrl)
|
|
|
-{
|
|
|
- int charsize;
|
|
|
- Rune u;
|
|
|
- int n;
|
|
|
-
|
|
|
- for (n = 0; n < buflen; n += charsize) {
|
|
|
- if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
|
|
|
- /* process a complete utf8 char */
|
|
|
- charsize = utf8decode(buf + n, &u, buflen - n);
|
|
|
- if (charsize == 0)
|
|
|
- break;
|
|
|
- } else {
|
|
|
- u = buf[n] & 0xFF;
|
|
|
- charsize = 1;
|
|
|
- }
|
|
|
- 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;
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-tresize(int col, int row)
|
|
|
-{
|
|
|
- int i;
|
|
|
- int minrow = MIN(row, term.row);
|
|
|
- int mincol = MIN(col, term.col);
|
|
|
- int *bp;
|
|
|
- TCursor c;
|
|
|
-
|
|
|
- if (col < 1 || row < 1) {
|
|
|
- fprintf(stderr,
|
|
|
- "tresize: error resizing to %dx%d\n", col, row);
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * 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++) {
|
|
|
- free(term.line[i]);
|
|
|
- free(term.alt[i]);
|
|
|
- }
|
|
|
- /* ensure that both src and dst are not NULL */
|
|
|
- if (i > 0) {
|
|
|
- memmove(term.line, term.line + i, row * sizeof(Line));
|
|
|
- memmove(term.alt, term.alt + i, row * sizeof(Line));
|
|
|
- }
|
|
|
- for (i += row; i < term.row; i++) {
|
|
|
- free(term.line[i]);
|
|
|
- free(term.alt[i]);
|
|
|
- }
|
|
|
-
|
|
|
- /* resize to new height */
|
|
|
- term.line = xrealloc(term.line, row * sizeof(Line));
|
|
|
- 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));
|
|
|
-
|
|
|
- /* resize each row to new width, zero-pad if needed */
|
|
|
- for (i = 0; i < minrow; i++) {
|
|
|
- term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
|
|
|
- term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
|
|
|
- }
|
|
|
-
|
|
|
- /* allocate any new rows */
|
|
|
- for (/* i = minrow */; i < row; i++) {
|
|
|
- term.line[i] = xmalloc(col * sizeof(Glyph));
|
|
|
- term.alt[i] = xmalloc(col * sizeof(Glyph));
|
|
|
- }
|
|
|
- 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;
|
|
|
- }
|
|
|
- /* update terminal size */
|
|
|
- term.col = col;
|
|
|
- term.row = row;
|
|
|
- /* 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;
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-resettitle(void)
|
|
|
-{
|
|
|
- xsettitle(NULL);
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-drawregion(int x1, int y1, int x2, int y2)
|
|
|
-{
|
|
|
- int y;
|
|
|
- for (y = y1; y < y2; y++) {
|
|
|
- if (!term.dirty[y])
|
|
|
- continue;
|
|
|
-
|
|
|
- term.dirty[y] = 0;
|
|
|
- xdrawline(term.line[y], x1, y, x2);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-draw(void)
|
|
|
-{
|
|
|
- int cx = term.c.x;
|
|
|
-
|
|
|
- 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--;
|
|
|
-
|
|
|
- drawregion(0, 0, term.col, term.row);
|
|
|
- xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
|
|
|
- term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
|
|
|
- term.ocx = cx, term.ocy = term.c.y;
|
|
|
- xfinishdraw();
|
|
|
-}
|
|
|
-
|
|
|
-void
|
|
|
-redraw(void)
|
|
|
-{
|
|
|
- tfulldirt();
|
|
|
- draw();
|
|
|
-}
|
