4320 lines
93 KiB
C
4320 lines
93 KiB
C
/* 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 <locale.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 <stdint.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xft/Xft.h>
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#include <X11/XKBlib.h>
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#include <fontconfig/fontconfig.h>
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#include <wchar.h>
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#include "arg.h"
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char *argv0;
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#define Glyph Glyph_
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#define Font Font_
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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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/* XEMBED messages */
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#define XEMBED_FOCUS_IN 4
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#define XEMBED_FOCUS_OUT 5
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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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#define XK_ANY_MOD UINT_MAX
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#define XK_NO_MOD 0
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#define XK_SWITCH_MOD (1<<13)
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/* macros */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define LEN(a) (sizeof(a) / sizeof(a)[0])
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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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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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
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#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
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#define IS_SET(flag) ((term.mode & (flag)) != 0)
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#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6)
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#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
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#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
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#define IS_TRUECOL(x) (1 << 24 & (x))
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#define TRUERED(x) (((x) & 0xff0000) >> 8)
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#define TRUEGREEN(x) (((x) & 0xff00))
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#define TRUEBLUE(x) (((x) & 0xff) << 8)
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enum glyph_attribute {
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ATTR_NULL = 0,
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ATTR_BOLD = 1 << 0,
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ATTR_FAINT = 1 << 1,
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ATTR_ITALIC = 1 << 2,
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ATTR_UNDERLINE = 1 << 3,
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ATTR_BLINK = 1 << 4,
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ATTR_REVERSE = 1 << 5,
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ATTR_INVISIBLE = 1 << 6,
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ATTR_STRUCK = 1 << 7,
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ATTR_WRAP = 1 << 8,
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ATTR_WIDE = 1 << 9,
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ATTR_WDUMMY = 1 << 10,
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ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
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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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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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enum term_mode {
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MODE_WRAP = 1 << 0,
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MODE_INSERT = 1 << 1,
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MODE_APPKEYPAD = 1 << 2,
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MODE_ALTSCREEN = 1 << 3,
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MODE_CRLF = 1 << 4,
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MODE_MOUSEBTN = 1 << 5,
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MODE_MOUSEMOTION = 1 << 6,
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MODE_REVERSE = 1 << 7,
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MODE_KBDLOCK = 1 << 8,
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MODE_HIDE = 1 << 9,
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MODE_ECHO = 1 << 10,
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MODE_APPCURSOR = 1 << 11,
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MODE_MOUSESGR = 1 << 12,
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MODE_8BIT = 1 << 13,
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MODE_BLINK = 1 << 14,
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MODE_FBLINK = 1 << 15,
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MODE_FOCUS = 1 << 16,
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MODE_MOUSEX10 = 1 << 17,
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MODE_MOUSEMANY = 1 << 18,
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MODE_BRCKTPASTE = 1 << 19,
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MODE_PRINT = 1 << 20,
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MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
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|MODE_MOUSEMANY,
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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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enum escape_state {
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ESC_START = 1,
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ESC_CSI = 2,
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ESC_STR = 4, /* DCS, 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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};
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enum window_state {
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WIN_VISIBLE = 1,
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WIN_FOCUSED = 2
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};
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enum selection_mode {
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SEL_IDLE = 0,
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SEL_EMPTY = 1,
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SEL_READY = 2
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};
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enum selection_type {
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SEL_REGULAR = 1,
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SEL_RECTANGULAR = 2
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};
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enum selection_snap {
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SNAP_WORD = 1,
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SNAP_LINE = 2
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};
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typedef unsigned char uchar;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned short ushort;
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typedef uint_least32_t Rune;
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typedef XftDraw *Draw;
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typedef XftColor Color;
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typedef struct {
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Rune u; /* character code */
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ushort mode; /* attribute flags */
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uint32_t fg; /* foreground */
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uint32_t bg; /* background */
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} Glyph;
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typedef Glyph *Line;
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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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/* 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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/* 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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/* 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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XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
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TCursor c; /* cursor */
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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 numlock; /* lock numbers in keyboard */
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int *tabs;
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} Term;
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/* Purely graphic info */
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typedef struct {
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Display *dpy;
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Colormap cmap;
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Window win;
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Drawable buf;
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Atom xembed, wmdeletewin, netwmname, netwmpid;
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XIM xim;
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XIC xic;
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Draw draw;
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Visual *vis;
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XSetWindowAttributes attrs;
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int scr;
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int isfixed; /* is fixed geometry? */
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int l, t; /* left and top offset */
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int gm; /* geometry mask */
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int tw, th; /* tty width and height */
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int w, h; /* window width and height */
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int ch; /* char height */
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int cw; /* char width */
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char state; /* focus, redraw, visible */
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int cursor; /* cursor style */
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} XWindow;
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typedef struct {
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uint b;
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uint mask;
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char *s;
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} Mousekey;
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typedef struct {
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KeySym k;
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uint mask;
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char *s;
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/* three valued logic variables: 0 indifferent, 1 on, -1 off */
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signed char appkey; /* application keypad */
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signed char appcursor; /* application cursor */
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signed char crlf; /* crlf mode */
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} Key;
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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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char *primary, *clipboard;
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Atom xtarget;
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int alt;
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struct timespec tclick1;
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struct timespec tclick2;
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} Selection;
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typedef union {
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int i;
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uint ui;
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float f;
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const void *v;
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} Arg;
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typedef struct {
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uint mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Shortcut;
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/* function definitions used in config.h */
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static void clipcopy(const Arg *);
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static void clippaste(const Arg *);
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static void numlock(const Arg *);
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static void selpaste(const Arg *);
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static void xzoom(const Arg *);
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static void xzoomabs(const Arg *);
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static void xzoomreset(const Arg *);
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static void printsel(const Arg *);
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static void printscreen(const Arg *) ;
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static void toggleprinter(const Arg *);
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/* Config.h for applying patches and the configuration. */
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#include "config.h"
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/* Font structure */
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typedef struct {
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int height;
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int width;
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int ascent;
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int descent;
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short lbearing;
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short rbearing;
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XftFont *match;
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FcFontSet *set;
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FcPattern *pattern;
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} Font;
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/* Drawing Context */
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typedef struct {
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Color col[MAX(LEN(colorname), 256)];
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Font font, bfont, ifont, ibfont;
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GC gc;
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} DC;
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static void die(const char *, ...);
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static void draw(void);
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static void redraw(void);
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static void drawregion(int, int, int, int);
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static void execsh(void);
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static void stty(void);
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static void sigchld(int);
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static void run(void);
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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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static int tattrset(int);
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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 tnew(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 tresize(int, int);
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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 tsetscroll(int, int);
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static void tswapscreen(void);
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static void tsetdirt(int, int);
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static void tsetdirtattr(int);
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static void tsetmode(int, int, int *, int);
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static void tfulldirt(void);
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static void techo(Rune);
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static void tcontrolcode(uchar );
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static void tdectest(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 inline int match(uint, uint);
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static void ttynew(void);
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static void ttyread(void);
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static void ttyresize(void);
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static void ttysend(char *, size_t);
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static void ttywrite(const char *, size_t);
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static void tstrsequence(uchar);
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static inline ushort sixd_to_16bit(int);
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static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
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static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
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static void xdrawglyph(Glyph, int, int);
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static void xhints(void);
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static void xclear(int, int, int, int);
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static void xdrawcursor(void);
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static void xinit(void);
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static void xloadcols(void);
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static int xsetcolorname(int, const char *);
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||
static int xgeommasktogravity(int);
|
||
static int xloadfont(Font *, FcPattern *);
|
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static void xloadfonts(char *, double);
|
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static void xsettitle(char *);
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static void xresettitle(void);
|
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static void xsetpointermotion(int);
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static void xseturgency(int);
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static void xsetsel(char *, Time);
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static void xtermclear(int, int, int, int);
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static void xunloadfont(Font *);
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static void xunloadfonts(void);
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static void xresize(int, int);
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||
|
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static void expose(XEvent *);
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||
static void visibility(XEvent *);
|
||
static void unmap(XEvent *);
|
||
static char *kmap(KeySym, uint);
|
||
static void kpress(XEvent *);
|
||
static void cmessage(XEvent *);
|
||
static void cresize(int, int);
|
||
static void resize(XEvent *);
|
||
static void focus(XEvent *);
|
||
static void brelease(XEvent *);
|
||
static void bpress(XEvent *);
|
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static void bmotion(XEvent *);
|
||
static void propnotify(XEvent *);
|
||
static void selnotify(XEvent *);
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||
static void selclear(XEvent *);
|
||
static void selrequest(XEvent *);
|
||
|
||
static void selinit(void);
|
||
static void selnormalize(void);
|
||
static inline int selected(int, int);
|
||
static char *getsel(void);
|
||
static void selcopy(Time);
|
||
static void selscroll(int, int);
|
||
static void selsnap(int *, int *, int);
|
||
static int x2col(int);
|
||
static int y2row(int);
|
||
static void getbuttoninfo(XEvent *);
|
||
static void mousereport(XEvent *);
|
||
|
||
static size_t utf8decode(char *, Rune *, size_t);
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||
static Rune utf8decodebyte(char, size_t *);
|
||
static size_t utf8encode(Rune, char *);
|
||
static char utf8encodebyte(Rune, size_t);
|
||
static char *utf8strchr(char *s, Rune u);
|
||
static size_t utf8validate(Rune *, size_t);
|
||
|
||
static ssize_t xwrite(int, const char *, size_t);
|
||
static void *xmalloc(size_t);
|
||
static void *xrealloc(void *, size_t);
|
||
static char *xstrdup(char *);
|
||
|
||
static void usage(void);
|
||
|
||
static void (*handler[LASTEvent])(XEvent *) = {
|
||
[KeyPress] = kpress,
|
||
[ClientMessage] = cmessage,
|
||
[ConfigureNotify] = resize,
|
||
[VisibilityNotify] = visibility,
|
||
[UnmapNotify] = unmap,
|
||
[Expose] = expose,
|
||
[FocusIn] = focus,
|
||
[FocusOut] = focus,
|
||
[MotionNotify] = bmotion,
|
||
[ButtonPress] = bpress,
|
||
[ButtonRelease] = brelease,
|
||
/*
|
||
* Uncomment if you want the selection to disappear when you select something
|
||
* different in another window.
|
||
*/
|
||
/* [SelectionClear] = selclear, */
|
||
[SelectionNotify] = selnotify,
|
||
/*
|
||
* PropertyNotify is only turned on when there is some INCR transfer happening
|
||
* for the selection retrieval.
|
||
*/
|
||
[PropertyNotify] = propnotify,
|
||
[SelectionRequest] = selrequest,
|
||
};
|
||
|
||
/* Globals */
|
||
static DC dc;
|
||
static XWindow xw;
|
||
static Term term;
|
||
static CSIEscape csiescseq;
|
||
static STREscape strescseq;
|
||
static int cmdfd;
|
||
static pid_t pid;
|
||
static Selection sel;
|
||
static int iofd = 1;
|
||
static char **opt_cmd = NULL;
|
||
static char *opt_io = NULL;
|
||
static char *opt_title = NULL;
|
||
static char *opt_embed = NULL;
|
||
static char *opt_class = NULL;
|
||
static char *opt_font = NULL;
|
||
static char *opt_line = NULL;
|
||
static int oldbutton = 3; /* button event on startup: 3 = release */
|
||
|
||
static char *usedfont = NULL;
|
||
static double usedfontsize = 0;
|
||
static double defaultfontsize = 0;
|
||
|
||
static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
|
||
static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
|
||
static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
|
||
static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
|
||
|
||
/* Font Ring Cache */
|
||
enum {
|
||
FRC_NORMAL,
|
||
FRC_ITALIC,
|
||
FRC_BOLD,
|
||
FRC_ITALICBOLD
|
||
};
|
||
|
||
typedef struct {
|
||
XftFont *font;
|
||
int flags;
|
||
Rune unicodep;
|
||
} Fontcache;
|
||
|
||
/* Fontcache is an array now. A new font will be appended to the array. */
|
||
static Fontcache frc[16];
|
||
static int frclen = 0;
|
||
|
||
ssize_t
|
||
xwrite(int fd, const char *s, size_t len)
|
||
{
|
||
size_t aux = len, 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 = malloc(len);
|
||
|
||
if (!p)
|
||
die("Out of memory\n");
|
||
|
||
return p;
|
||
}
|
||
|
||
void *
|
||
xrealloc(void *p, size_t len)
|
||
{
|
||
if ((p = realloc(p, len)) == NULL)
|
||
die("Out of memory\n");
|
||
|
||
return p;
|
||
}
|
||
|
||
char *
|
||
xstrdup(char *s)
|
||
{
|
||
if ((s = strdup(s)) == NULL)
|
||
die("Out of memory\n");
|
||
|
||
return s;
|
||
}
|
||
|
||
size_t
|
||
utf8decode(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]);
|
||
}
|
||
|
||
char *
|
||
utf8strchr(char *s, Rune u)
|
||
{
|
||
Rune r;
|
||
size_t i, j, len;
|
||
|
||
len = strlen(s);
|
||
for (i = 0, j = 0; i < len; i += j) {
|
||
if (!(j = utf8decode(&s[i], &r, len - i)))
|
||
break;
|
||
if (r == u)
|
||
return &(s[i]);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
void
|
||
selinit(void)
|
||
{
|
||
memset(&sel.tclick1, 0, sizeof(sel.tclick1));
|
||
memset(&sel.tclick2, 0, sizeof(sel.tclick2));
|
||
sel.mode = SEL_IDLE;
|
||
sel.ob.x = -1;
|
||
sel.primary = NULL;
|
||
sel.clipboard = NULL;
|
||
sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
|
||
if (sel.xtarget == None)
|
||
sel.xtarget = XA_STRING;
|
||
}
|
||
|
||
int
|
||
x2col(int x)
|
||
{
|
||
x -= borderpx;
|
||
x /= xw.cw;
|
||
|
||
return LIMIT(x, 0, term.col-1);
|
||
}
|
||
|
||
int
|
||
y2row(int y)
|
||
{
|
||
y -= borderpx;
|
||
y /= xw.ch;
|
||
|
||
return LIMIT(y, 0, term.row-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
|
||
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)
|
||
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;
|
||
}
|
||
}
|
||
|
||
void
|
||
getbuttoninfo(XEvent *e)
|
||
{
|
||
int type;
|
||
uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
|
||
|
||
sel.alt = IS_SET(MODE_ALTSCREEN);
|
||
|
||
sel.oe.x = x2col(e->xbutton.x);
|
||
sel.oe.y = y2row(e->xbutton.y);
|
||
selnormalize();
|
||
|
||
sel.type = SEL_REGULAR;
|
||
for (type = 1; type < LEN(selmasks); ++type) {
|
||
if (match(selmasks[type], state)) {
|
||
sel.type = type;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
mousereport(XEvent *e)
|
||
{
|
||
int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
|
||
button = e->xbutton.button, state = e->xbutton.state,
|
||
len;
|
||
char buf[40];
|
||
static int ox, oy;
|
||
|
||
/* from urxvt */
|
||
if (e->xbutton.type == MotionNotify) {
|
||
if (x == ox && y == oy)
|
||
return;
|
||
if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
|
||
return;
|
||
/* MOUSE_MOTION: no reporting if no button is pressed */
|
||
if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
|
||
return;
|
||
|
||
button = oldbutton + 32;
|
||
ox = x;
|
||
oy = y;
|
||
} else {
|
||
if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
|
||
button = 3;
|
||
} else {
|
||
button -= Button1;
|
||
if (button >= 3)
|
||
button += 64 - 3;
|
||
}
|
||
if (e->xbutton.type == ButtonPress) {
|
||
oldbutton = button;
|
||
ox = x;
|
||
oy = y;
|
||
} else if (e->xbutton.type == ButtonRelease) {
|
||
oldbutton = 3;
|
||
/* MODE_MOUSEX10: no button release reporting */
|
||
if (IS_SET(MODE_MOUSEX10))
|
||
return;
|
||
if (button == 64 || button == 65)
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (!IS_SET(MODE_MOUSEX10)) {
|
||
button += ((state & ShiftMask ) ? 4 : 0)
|
||
+ ((state & Mod4Mask ) ? 8 : 0)
|
||
+ ((state & ControlMask) ? 16 : 0);
|
||
}
|
||
|
||
if (IS_SET(MODE_MOUSESGR)) {
|
||
len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
|
||
button, x+1, y+1,
|
||
e->xbutton.type == ButtonRelease ? 'm' : 'M');
|
||
} else if (x < 223 && y < 223) {
|
||
len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
|
||
32+button, 32+x+1, 32+y+1);
|
||
} else {
|
||
return;
|
||
}
|
||
|
||
ttywrite(buf, len);
|
||
}
|
||
|
||
void
|
||
bpress(XEvent *e)
|
||
{
|
||
struct timespec now;
|
||
Mousekey *mk;
|
||
|
||
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
|
||
mousereport(e);
|
||
return;
|
||
}
|
||
|
||
for (mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
|
||
if (e->xbutton.button == mk->b
|
||
&& match(mk->mask, e->xbutton.state)) {
|
||
ttysend(mk->s, strlen(mk->s));
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (e->xbutton.button == Button1) {
|
||
clock_gettime(CLOCK_MONOTONIC, &now);
|
||
|
||
/* Clear previous selection, logically and visually. */
|
||
selclear(NULL);
|
||
sel.mode = SEL_EMPTY;
|
||
sel.type = SEL_REGULAR;
|
||
sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
|
||
sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
|
||
|
||
/*
|
||
* If the user clicks below predefined timeouts specific
|
||
* snapping behaviour is exposed.
|
||
*/
|
||
if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
|
||
sel.snap = SNAP_LINE;
|
||
} else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
|
||
sel.snap = SNAP_WORD;
|
||
} else {
|
||
sel.snap = 0;
|
||
}
|
||
selnormalize();
|
||
|
||
if (sel.snap != 0)
|
||
sel.mode = SEL_READY;
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
sel.tclick2 = sel.tclick1;
|
||
sel.tclick1 = now;
|
||
}
|
||
}
|
||
|
||
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++) {
|
||
linelen = tlinelen(y);
|
||
|
||
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
|
||
selcopy(Time t)
|
||
{
|
||
xsetsel(getsel(), t);
|
||
}
|
||
|
||
void
|
||
propnotify(XEvent *e)
|
||
{
|
||
XPropertyEvent *xpev;
|
||
Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
|
||
|
||
xpev = &e->xproperty;
|
||
if (xpev->state == PropertyNewValue &&
|
||
(xpev->atom == XA_PRIMARY ||
|
||
xpev->atom == clipboard)) {
|
||
selnotify(e);
|
||
}
|
||
}
|
||
|
||
void
|
||
selnotify(XEvent *e)
|
||
{
|
||
ulong nitems, ofs, rem;
|
||
int format;
|
||
uchar *data, *last, *repl;
|
||
Atom type, incratom, property;
|
||
|
||
incratom = XInternAtom(xw.dpy, "INCR", 0);
|
||
|
||
ofs = 0;
|
||
if (e->type == SelectionNotify) {
|
||
property = e->xselection.property;
|
||
} else if(e->type == PropertyNotify) {
|
||
property = e->xproperty.atom;
|
||
} else {
|
||
return;
|
||
}
|
||
if (property == None)
|
||
return;
|
||
|
||
do {
|
||
if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
|
||
BUFSIZ/4, False, AnyPropertyType,
|
||
&type, &format, &nitems, &rem,
|
||
&data)) {
|
||
fprintf(stderr, "Clipboard allocation failed\n");
|
||
return;
|
||
}
|
||
|
||
if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
|
||
/*
|
||
* If there is some PropertyNotify with no data, then
|
||
* this is the signal of the selection owner that all
|
||
* data has been transferred. We won't need to receive
|
||
* PropertyNotify events anymore.
|
||
*/
|
||
MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
|
||
XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
|
||
&xw.attrs);
|
||
}
|
||
|
||
if (type == incratom) {
|
||
/*
|
||
* Activate the PropertyNotify events so we receive
|
||
* when the selection owner does send us the next
|
||
* chunk of data.
|
||
*/
|
||
MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
|
||
XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
|
||
&xw.attrs);
|
||
|
||
/*
|
||
* Deleting the property is the transfer start signal.
|
||
*/
|
||
XDeleteProperty(xw.dpy, xw.win, (int)property);
|
||
continue;
|
||
}
|
||
|
||
/*
|
||
* As seen in getsel:
|
||
* Line endings are inconsistent in the terminal and GUI world
|
||
* copy and pasting. When receiving some selection data,
|
||
* replace all '\n' with '\r'.
|
||
* FIXME: Fix the computer world.
|
||
*/
|
||
repl = data;
|
||
last = data + nitems * format / 8;
|
||
while ((repl = memchr(repl, '\n', last - repl))) {
|
||
*repl++ = '\r';
|
||
}
|
||
|
||
if (IS_SET(MODE_BRCKTPASTE))
|
||
ttywrite("\033[200~", 6);
|
||
ttysend((char *)data, nitems * format / 8);
|
||
if (IS_SET(MODE_BRCKTPASTE))
|
||
ttywrite("\033[201~", 6);
|
||
XFree(data);
|
||
/* number of 32-bit chunks returned */
|
||
ofs += nitems * format / 32;
|
||
} while (rem > 0);
|
||
|
||
/*
|
||
* Deleting the property again tells the selection owner to send the
|
||
* next data chunk in the property.
|
||
*/
|
||
if (e->type == PropertyNotify)
|
||
XDeleteProperty(xw.dpy, xw.win, (int)property);
|
||
}
|
||
|
||
void
|
||
selpaste(const Arg *dummy)
|
||
{
|
||
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
|
||
xw.win, CurrentTime);
|
||
}
|
||
|
||
void
|
||
clipcopy(const Arg *dummy)
|
||
{
|
||
Atom clipboard;
|
||
|
||
if (sel.clipboard != NULL)
|
||
free(sel.clipboard);
|
||
|
||
if (sel.primary != NULL) {
|
||
sel.clipboard = xstrdup(sel.primary);
|
||
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
|
||
XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
|
||
}
|
||
}
|
||
|
||
void
|
||
clippaste(const Arg *dummy)
|
||
{
|
||
Atom clipboard;
|
||
|
||
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
|
||
XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
|
||
xw.win, CurrentTime);
|
||
}
|
||
|
||
void
|
||
selclear(XEvent *e)
|
||
{
|
||
if (sel.ob.x == -1)
|
||
return;
|
||
sel.mode = SEL_IDLE;
|
||
sel.ob.x = -1;
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
}
|
||
|
||
void
|
||
selrequest(XEvent *e)
|
||
{
|
||
XSelectionRequestEvent *xsre;
|
||
XSelectionEvent xev;
|
||
Atom xa_targets, string, clipboard;
|
||
char *seltext;
|
||
|
||
xsre = (XSelectionRequestEvent *) e;
|
||
xev.type = SelectionNotify;
|
||
xev.requestor = xsre->requestor;
|
||
xev.selection = xsre->selection;
|
||
xev.target = xsre->target;
|
||
xev.time = xsre->time;
|
||
if (xsre->property == None)
|
||
xsre->property = xsre->target;
|
||
|
||
/* reject */
|
||
xev.property = None;
|
||
|
||
xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
|
||
if (xsre->target == xa_targets) {
|
||
/* respond with the supported type */
|
||
string = sel.xtarget;
|
||
XChangeProperty(xsre->display, xsre->requestor, xsre->property,
|
||
XA_ATOM, 32, PropModeReplace,
|
||
(uchar *) &string, 1);
|
||
xev.property = xsre->property;
|
||
} else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
|
||
/*
|
||
* xith XA_STRING non ascii characters may be incorrect in the
|
||
* requestor. It is not our problem, use utf8.
|
||
*/
|
||
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
|
||
if (xsre->selection == XA_PRIMARY) {
|
||
seltext = sel.primary;
|
||
} else if (xsre->selection == clipboard) {
|
||
seltext = sel.clipboard;
|
||
} else {
|
||
fprintf(stderr,
|
||
"Unhandled clipboard selection 0x%lx\n",
|
||
xsre->selection);
|
||
return;
|
||
}
|
||
if (seltext != NULL) {
|
||
XChangeProperty(xsre->display, xsre->requestor,
|
||
xsre->property, xsre->target,
|
||
8, PropModeReplace,
|
||
(uchar *)seltext, strlen(seltext));
|
||
xev.property = xsre->property;
|
||
}
|
||
}
|
||
|
||
/* all done, send a notification to the listener */
|
||
if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
|
||
fprintf(stderr, "Error sending SelectionNotify event\n");
|
||
}
|
||
|
||
void
|
||
xsetsel(char *str, Time t)
|
||
{
|
||
free(sel.primary);
|
||
sel.primary = str;
|
||
|
||
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
|
||
if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
|
||
selclear(0);
|
||
}
|
||
|
||
void
|
||
brelease(XEvent *e)
|
||
{
|
||
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
|
||
mousereport(e);
|
||
return;
|
||
}
|
||
|
||
if (e->xbutton.button == Button2) {
|
||
selpaste(NULL);
|
||
} else if (e->xbutton.button == Button1) {
|
||
if (sel.mode == SEL_READY) {
|
||
getbuttoninfo(e);
|
||
selcopy(e->xbutton.time);
|
||
} else
|
||
selclear(NULL);
|
||
sel.mode = SEL_IDLE;
|
||
tsetdirt(sel.nb.y, sel.ne.y);
|
||
}
|
||
}
|
||
|
||
void
|
||
bmotion(XEvent *e)
|
||
{
|
||
int oldey, oldex, oldsby, oldsey;
|
||
|
||
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
|
||
mousereport(e);
|
||
return;
|
||
}
|
||
|
||
if (!sel.mode)
|
||
return;
|
||
|
||
sel.mode = SEL_READY;
|
||
oldey = sel.oe.y;
|
||
oldex = sel.oe.x;
|
||
oldsby = sel.nb.y;
|
||
oldsey = sel.ne.y;
|
||
getbuttoninfo(e);
|
||
|
||
if (oldey != sel.oe.y || oldex != sel.oe.x)
|
||
tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
|
||
}
|
||
|
||
void
|
||
die(const char *errstr, ...)
|
||
{
|
||
va_list ap;
|
||
|
||
va_start(ap, errstr);
|
||
vfprintf(stderr, errstr, ap);
|
||
va_end(ap);
|
||
exit(1);
|
||
}
|
||
|
||
void
|
||
execsh(void)
|
||
{
|
||
char **args, *sh, *prog;
|
||
const struct passwd *pw;
|
||
char buf[sizeof(long) * 8 + 1];
|
||
|
||
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"))) {
|
||
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
|
||
}
|
||
|
||
if (opt_cmd)
|
||
prog = opt_cmd[0];
|
||
else if (utmp)
|
||
prog = utmp;
|
||
else
|
||
prog = sh;
|
||
args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
|
||
|
||
snprintf(buf, sizeof(buf), "%lu", xw.win);
|
||
|
||
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);
|
||
setenv("WINDOWID", buf, 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 finished with error '%d'\n", stat);
|
||
exit(0);
|
||
}
|
||
|
||
|
||
void
|
||
stty(void)
|
||
{
|
||
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 = opt_cmd; p && (s = *p); ++p) {
|
||
if ((n = strlen(s)) > siz-1)
|
||
die("stty parameter length too long\n");
|
||
*q++ = ' ';
|
||
q = memcpy(q, s, n);
|
||
q += n;
|
||
siz-= n + 1;
|
||
}
|
||
*q = '\0';
|
||
if (system(cmd) != 0)
|
||
perror("Couldn't call stty");
|
||
}
|
||
|
||
void
|
||
ttynew(void)
|
||
{
|
||
int m, s;
|
||
struct winsize w = {term.row, term.col, 0, 0};
|
||
|
||
if (opt_io) {
|
||
term.mode |= MODE_PRINT;
|
||
iofd = (!strcmp(opt_io, "-")) ?
|
||
1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
|
||
if (iofd < 0) {
|
||
fprintf(stderr, "Error opening %s:%s\n",
|
||
opt_io, strerror(errno));
|
||
}
|
||
}
|
||
|
||
if (opt_line) {
|
||
if ((cmdfd = open(opt_line, O_RDWR)) < 0)
|
||
die("open line failed: %s\n", strerror(errno));
|
||
close(0);
|
||
dup(cmdfd);
|
||
stty();
|
||
return;
|
||
}
|
||
|
||
/* seems to work fine on linux, openbsd and freebsd */
|
||
if (openpty(&m, &s, NULL, NULL, &w) < 0)
|
||
die("openpty failed: %s\n", strerror(errno));
|
||
|
||
switch (pid = fork()) {
|
||
case -1:
|
||
die("fork failed\n");
|
||
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);
|
||
execsh();
|
||
break;
|
||
default:
|
||
close(s);
|
||
cmdfd = m;
|
||
signal(SIGCHLD, sigchld);
|
||
break;
|
||
}
|
||
}
|
||
|
||
void
|
||
ttyread(void)
|
||
{
|
||
static char buf[BUFSIZ];
|
||
static int buflen = 0;
|
||
char *ptr;
|
||
int charsize; /* size of utf8 char in bytes */
|
||
Rune unicodep;
|
||
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));
|
||
|
||
/* process every complete utf8 char */
|
||
buflen += ret;
|
||
ptr = buf;
|
||
while ((charsize = utf8decode(ptr, &unicodep, buflen))) {
|
||
tputc(unicodep);
|
||
ptr += charsize;
|
||
buflen -= charsize;
|
||
}
|
||
|
||
/* keep any uncomplete utf8 char for the next call */
|
||
memmove(buf, ptr, buflen);
|
||
}
|
||
|
||
void
|
||
ttywrite(const char *s, size_t n)
|
||
{
|
||
fd_set wfd;
|
||
struct timespec tv;
|
||
ssize_t r;
|
||
|
||
/*
|
||
* 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_SET(cmdfd, &wfd);
|
||
tv.tv_sec = 0;
|
||
tv.tv_nsec = 0;
|
||
|
||
/* Check if we can write. */
|
||
if (pselect(cmdfd+1, NULL, &wfd, NULL, &tv, NULL) < 0) {
|
||
if (errno == EINTR)
|
||
continue;
|
||
die("select failed: %s\n", strerror(errno));
|
||
}
|
||
if(!FD_ISSET(cmdfd, &wfd)) {
|
||
/* No, then free some buffer space. */
|
||
ttyread();
|
||
} else {
|
||
/*
|
||
* Only write 256 bytes at maximum. This seems to be a
|
||
* reasonable value for a serial line. Bigger values
|
||
* might clog the I/O.
|
||
*/
|
||
r = write(cmdfd, s, (n < 256)? n : 256);
|
||
if (r < 0) {
|
||
die("write error on tty: %s\n",
|
||
strerror(errno));
|
||
}
|
||
if (r < n) {
|
||
/*
|
||
* We weren't able to write out everything.
|
||
* This means the buffer is getting full
|
||
* again. Empty it.
|
||
*/
|
||
ttyread();
|
||
n -= r;
|
||
s += r;
|
||
} else {
|
||
/* All bytes have been written. */
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
ttysend(char *s, size_t n)
|
||
{
|
||
int len;
|
||
Rune u;
|
||
|
||
ttywrite(s, n);
|
||
if (IS_SET(MODE_ECHO))
|
||
while ((len = utf8decode(s, &u, n)) > 0) {
|
||
techo(u);
|
||
n -= len;
|
||
s += len;
|
||
}
|
||
}
|
||
|
||
void
|
||
ttyresize(void)
|
||
{
|
||
struct winsize w;
|
||
|
||
w.ws_row = term.row;
|
||
w.ws_col = term.col;
|
||
w.ws_xpixel = xw.tw;
|
||
w.ws_ypixel = xw.th;
|
||
if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
|
||
fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
|
||
}
|
||
|
||
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;
|
||
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);
|
||
term.numlock = 1;
|
||
|
||
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(NULL);
|
||
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(NULL);
|
||
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 *lim, mode;
|
||
int alt;
|
||
|
||
for (lim = args + narg; args < lim; ++args) {
|
||
if (priv) {
|
||
switch (*args) {
|
||
case 1: /* DECCKM -- Cursor key */
|
||
MODBIT(term.mode, set, MODE_APPCURSOR);
|
||
break;
|
||
case 5: /* DECSCNM -- Reverse video */
|
||
mode = term.mode;
|
||
MODBIT(term.mode, set, MODE_REVERSE);
|
||
if (mode != term.mode)
|
||
redraw();
|
||
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 */
|
||
MODBIT(term.mode, !set, MODE_HIDE);
|
||
break;
|
||
case 9: /* X10 mouse compatibility mode */
|
||
xsetpointermotion(0);
|
||
MODBIT(term.mode, 0, MODE_MOUSE);
|
||
MODBIT(term.mode, set, MODE_MOUSEX10);
|
||
break;
|
||
case 1000: /* 1000: report button press */
|
||
xsetpointermotion(0);
|
||
MODBIT(term.mode, 0, MODE_MOUSE);
|
||
MODBIT(term.mode, set, MODE_MOUSEBTN);
|
||
break;
|
||
case 1002: /* 1002: report motion on button press */
|
||
xsetpointermotion(0);
|
||
MODBIT(term.mode, 0, MODE_MOUSE);
|
||
MODBIT(term.mode, set, MODE_MOUSEMOTION);
|
||
break;
|
||
case 1003: /* 1003: enable all mouse motions */
|
||
xsetpointermotion(set);
|
||
MODBIT(term.mode, 0, MODE_MOUSE);
|
||
MODBIT(term.mode, set, MODE_MOUSEMANY);
|
||
break;
|
||
case 1004: /* 1004: send focus events to tty */
|
||
MODBIT(term.mode, set, MODE_FOCUS);
|
||
break;
|
||
case 1006: /* 1006: extended reporting mode */
|
||
MODBIT(term.mode, set, MODE_MOUSESGR);
|
||
break;
|
||
case 1034:
|
||
MODBIT(term.mode, 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 */
|
||
MODBIT(term.mode, 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: /* KAM -- keyboard action */
|
||
MODBIT(term.mode, 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, sizeof(vtiden) - 1);
|
||
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 */
|
||
selclear(NULL);
|
||
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);
|
||
}
|
||
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 */
|
||
DEFAULT(csiescseq.arg[0], 1);
|
||
if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
|
||
goto unknown;
|
||
}
|
||
xw.cursor = csiescseq.arg[0];
|
||
break;
|
||
default:
|
||
goto unknown;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
void
|
||
csidump(void)
|
||
{
|
||
int i;
|
||
uint c;
|
||
|
||
printf("ESC[");
|
||
for (i = 0; i < csiescseq.len; i++) {
|
||
c = csiescseq.buf[i] & 0xff;
|
||
if (isprint(c)) {
|
||
putchar(c);
|
||
} else if (c == '\n') {
|
||
printf("(\\n)");
|
||
} else if (c == '\r') {
|
||
printf("(\\r)");
|
||
} else if (c == 0x1b) {
|
||
printf("(\\e)");
|
||
} else {
|
||
printf("(%02x)", c);
|
||
}
|
||
}
|
||
putchar('\n');
|
||
}
|
||
|
||
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 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 */
|
||
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;
|
||
|
||
printf("ESC%c", strescseq.type);
|
||
for (i = 0; i < strescseq.len; i++) {
|
||
c = strescseq.buf[i] & 0xff;
|
||
if (c == '\0') {
|
||
return;
|
||
} else if (isprint(c)) {
|
||
putchar(c);
|
||
} else if (c == '\n') {
|
||
printf("(\\n)");
|
||
} else if (c == '\r') {
|
||
printf("(\\r)");
|
||
} else if (c == 0x1b) {
|
||
printf("(\\e)");
|
||
} else {
|
||
printf("(%02x)", c);
|
||
}
|
||
}
|
||
printf("ESC\\\n");
|
||
}
|
||
|
||
void
|
||
strreset(void)
|
||
{
|
||
memset(&strescseq, 0, sizeof(strescseq));
|
||
}
|
||
|
||
void
|
||
tprinter(char *s, size_t len)
|
||
{
|
||
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
|
||
fprintf(stderr, "Error writing in %s:%s\n",
|
||
opt_io, strerror(errno));
|
||
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
|
||
techo(Rune u)
|
||
{
|
||
if (ISCONTROL(u)) { /* control code */
|
||
if (u & 0x80) {
|
||
u &= 0x7f;
|
||
tputc('^');
|
||
tputc('[');
|
||
} else if (u != '\n' && u != '\r' && u != '\t') {
|
||
u ^= 0x40;
|
||
tputc('^');
|
||
}
|
||
}
|
||
tputc(u);
|
||
}
|
||
|
||
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)
|
||
{
|
||
switch (c) {
|
||
case 0x90: /* DCS -- Device Control String */
|
||
c = 'P';
|
||
break;
|
||
case 0x9f: /* APC -- Application Program Command */
|
||
c = '_';
|
||
break;
|
||
case 0x9e: /* PM -- Privacy Message */
|
||
c = '^';
|
||
break;
|
||
case 0x9d: /* OSC -- Operating System Command */
|
||
c = ']';
|
||
break;
|
||
}
|
||
strreset();
|
||
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 {
|
||
if (!(xw.state & WIN_FOCUSED))
|
||
xseturgency(1);
|
||
if (bellvolume)
|
||
XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
|
||
}
|
||
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 0x84: /* TODO: IND */
|
||
break;
|
||
case 0x85: /* NEL -- Next line */
|
||
tnewline(1); /* always go to first col */
|
||
break;
|
||
case 0x88: /* HTS -- Horizontal tab stop */
|
||
term.tabs[term.c.x] = 1;
|
||
break;
|
||
case 0x8d: /* TODO: RI */
|
||
case 0x8e: /* TODO: SS2 */
|
||
case 0x8f: /* TODO: SS3 */
|
||
case 0x98: /* TODO: SOS */
|
||
break;
|
||
case 0x9a: /* DECID -- Identify Terminal */
|
||
ttywrite(vtiden, sizeof(vtiden) - 1);
|
||
break;
|
||
case 0x9b: /* TODO: CSI */
|
||
case 0x9c: /* TODO: ST */
|
||
break;
|
||
case 0x90: /* DCS -- Device Control String */
|
||
case 0x9f: /* APC -- Application Program Command */
|
||
case 0x9e: /* PM -- Privacy Message */
|
||
case 0x9d: /* OSC -- Operating System 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 '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, sizeof(vtiden) - 1);
|
||
break;
|
||
case 'c': /* RIS -- Reset to inital state */
|
||
treset();
|
||
xresettitle();
|
||
xloadcols();
|
||
break;
|
||
case '=': /* DECPAM -- Application keypad */
|
||
term.mode |= MODE_APPKEYPAD;
|
||
break;
|
||
case '>': /* DECPNM -- Normal keypad */
|
||
term.mode &= ~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;
|
||
|
||
len = utf8encode(u, c);
|
||
if ((width = wcwidth(u)) == -1) {
|
||
memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
|
||
width = 1;
|
||
}
|
||
|
||
if (IS_SET(MODE_PRINT))
|
||
tprinter(c, len);
|
||
control = ISCONTROL(u);
|
||
|
||
/*
|
||
* 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);
|
||
term.esc |= ESC_STR_END;
|
||
} else if (strescseq.len + len < sizeof(strescseq.buf) - 1) {
|
||
memmove(&strescseq.buf[strescseq.len], c, len);
|
||
strescseq.len += len;
|
||
return;
|
||
} else {
|
||
/*
|
||
* 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;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* 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_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(NULL);
|
||
|
||
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;
|
||
}
|
||
}
|
||
|
||
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 width */
|
||
term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
|
||
|
||
/* 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
|
||
xresize(int col, int row)
|
||
{
|
||
xw.tw = MAX(1, col * xw.cw);
|
||
xw.th = MAX(1, row * xw.ch);
|
||
|
||
XFreePixmap(xw.dpy, xw.buf);
|
||
xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
|
||
DefaultDepth(xw.dpy, xw.scr));
|
||
XftDrawChange(xw.draw, xw.buf);
|
||
xclear(0, 0, xw.w, xw.h);
|
||
}
|
||
|
||
ushort
|
||
sixd_to_16bit(int x)
|
||
{
|
||
return x == 0 ? 0 : 0x3737 + 0x2828 * x;
|
||
}
|
||
|
||
int
|
||
xloadcolor(int i, const char *name, Color *ncolor)
|
||
{
|
||
XRenderColor color = { .alpha = 0xffff };
|
||
|
||
if (!name) {
|
||
if (BETWEEN(i, 16, 255)) { /* 256 color */
|
||
if (i < 6*6*6+16) { /* same colors as xterm */
|
||
color.red = sixd_to_16bit( ((i-16)/36)%6 );
|
||
color.green = sixd_to_16bit( ((i-16)/6) %6 );
|
||
color.blue = sixd_to_16bit( ((i-16)/1) %6 );
|
||
} else { /* greyscale */
|
||
color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
|
||
color.green = color.blue = color.red;
|
||
}
|
||
return XftColorAllocValue(xw.dpy, xw.vis,
|
||
xw.cmap, &color, ncolor);
|
||
} else
|
||
name = colorname[i];
|
||
}
|
||
return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
|
||
}
|
||
|
||
void
|
||
xloadcols(void)
|
||
{
|
||
int i;
|
||
static int loaded;
|
||
Color *cp;
|
||
|
||
if (loaded) {
|
||
for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
|
||
XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
|
||
}
|
||
|
||
for (i = 0; i < LEN(dc.col); i++)
|
||
if (!xloadcolor(i, NULL, &dc.col[i])) {
|
||
if (colorname[i])
|
||
die("Could not allocate color '%s'\n", colorname[i]);
|
||
else
|
||
die("Could not allocate color %d\n", i);
|
||
}
|
||
loaded = 1;
|
||
}
|
||
|
||
int
|
||
xsetcolorname(int x, const char *name)
|
||
{
|
||
Color ncolor;
|
||
|
||
if (!BETWEEN(x, 0, LEN(dc.col)))
|
||
return 1;
|
||
|
||
|
||
if (!xloadcolor(x, name, &ncolor))
|
||
return 1;
|
||
|
||
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
|
||
dc.col[x] = ncolor;
|
||
return 0;
|
||
}
|
||
|
||
void
|
||
xtermclear(int col1, int row1, int col2, int row2)
|
||
{
|
||
XftDrawRect(xw.draw,
|
||
&dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
|
||
borderpx + col1 * xw.cw,
|
||
borderpx + row1 * xw.ch,
|
||
(col2-col1+1) * xw.cw,
|
||
(row2-row1+1) * xw.ch);
|
||
}
|
||
|
||
/*
|
||
* Absolute coordinates.
|
||
*/
|
||
void
|
||
xclear(int x1, int y1, int x2, int y2)
|
||
{
|
||
XftDrawRect(xw.draw,
|
||
&dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
|
||
x1, y1, x2-x1, y2-y1);
|
||
}
|
||
|
||
void
|
||
xhints(void)
|
||
{
|
||
XClassHint class = {opt_class ? opt_class : termname, termname};
|
||
XWMHints wm = {.flags = InputHint, .input = 1};
|
||
XSizeHints *sizeh = NULL;
|
||
|
||
sizeh = XAllocSizeHints();
|
||
|
||
sizeh->flags = PSize | PResizeInc | PBaseSize;
|
||
sizeh->height = xw.h;
|
||
sizeh->width = xw.w;
|
||
sizeh->height_inc = xw.ch;
|
||
sizeh->width_inc = xw.cw;
|
||
sizeh->base_height = 2 * borderpx;
|
||
sizeh->base_width = 2 * borderpx;
|
||
if (xw.isfixed) {
|
||
sizeh->flags |= PMaxSize | PMinSize;
|
||
sizeh->min_width = sizeh->max_width = xw.w;
|
||
sizeh->min_height = sizeh->max_height = xw.h;
|
||
}
|
||
if (xw.gm & (XValue|YValue)) {
|
||
sizeh->flags |= USPosition | PWinGravity;
|
||
sizeh->x = xw.l;
|
||
sizeh->y = xw.t;
|
||
sizeh->win_gravity = xgeommasktogravity(xw.gm);
|
||
}
|
||
|
||
XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
|
||
&class);
|
||
XFree(sizeh);
|
||
}
|
||
|
||
int
|
||
xgeommasktogravity(int mask)
|
||
{
|
||
switch (mask & (XNegative|YNegative)) {
|
||
case 0:
|
||
return NorthWestGravity;
|
||
case XNegative:
|
||
return NorthEastGravity;
|
||
case YNegative:
|
||
return SouthWestGravity;
|
||
}
|
||
return SouthEastGravity;
|
||
}
|
||
|
||
int
|
||
xloadfont(Font *f, FcPattern *pattern)
|
||
{
|
||
FcPattern *match;
|
||
FcResult result;
|
||
|
||
match = FcFontMatch(NULL, pattern, &result);
|
||
if (!match)
|
||
return 1;
|
||
|
||
if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
|
||
FcPatternDestroy(match);
|
||
return 1;
|
||
}
|
||
|
||
f->set = NULL;
|
||
f->pattern = FcPatternDuplicate(pattern);
|
||
|
||
f->ascent = f->match->ascent;
|
||
f->descent = f->match->descent;
|
||
f->lbearing = 0;
|
||
f->rbearing = f->match->max_advance_width;
|
||
|
||
f->height = f->ascent + f->descent;
|
||
f->width = f->lbearing + f->rbearing;
|
||
|
||
return 0;
|
||
}
|
||
|
||
void
|
||
xloadfonts(char *fontstr, double fontsize)
|
||
{
|
||
FcPattern *pattern;
|
||
double fontval;
|
||
float ceilf(float);
|
||
|
||
if (fontstr[0] == '-') {
|
||
pattern = XftXlfdParse(fontstr, False, False);
|
||
} else {
|
||
pattern = FcNameParse((FcChar8 *)fontstr);
|
||
}
|
||
|
||
if (!pattern)
|
||
die("st: can't open font %s\n", fontstr);
|
||
|
||
if (fontsize > 1) {
|
||
FcPatternDel(pattern, FC_PIXEL_SIZE);
|
||
FcPatternDel(pattern, FC_SIZE);
|
||
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
|
||
usedfontsize = fontsize;
|
||
} else {
|
||
if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
|
||
FcResultMatch) {
|
||
usedfontsize = fontval;
|
||
} else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
|
||
FcResultMatch) {
|
||
usedfontsize = -1;
|
||
} else {
|
||
/*
|
||
* Default font size is 12, if none given. This is to
|
||
* have a known usedfontsize value.
|
||
*/
|
||
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
|
||
usedfontsize = 12;
|
||
}
|
||
defaultfontsize = usedfontsize;
|
||
}
|
||
|
||
FcConfigSubstitute(0, pattern, FcMatchPattern);
|
||
FcDefaultSubstitute(pattern);
|
||
|
||
if (xloadfont(&dc.font, pattern))
|
||
die("st: can't open font %s\n", fontstr);
|
||
|
||
if (usedfontsize < 0) {
|
||
FcPatternGetDouble(dc.font.match->pattern,
|
||
FC_PIXEL_SIZE, 0, &fontval);
|
||
usedfontsize = fontval;
|
||
if (fontsize == 0)
|
||
defaultfontsize = fontval;
|
||
}
|
||
|
||
/* Setting character width and height. */
|
||
xw.cw = ceilf(dc.font.width * cwscale);
|
||
xw.ch = ceilf(dc.font.height * chscale);
|
||
|
||
FcPatternDel(pattern, FC_SLANT);
|
||
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
|
||
if (xloadfont(&dc.ifont, pattern))
|
||
die("st: can't open font %s\n", fontstr);
|
||
|
||
FcPatternDel(pattern, FC_WEIGHT);
|
||
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
|
||
if (xloadfont(&dc.ibfont, pattern))
|
||
die("st: can't open font %s\n", fontstr);
|
||
|
||
FcPatternDel(pattern, FC_SLANT);
|
||
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
|
||
if (xloadfont(&dc.bfont, pattern))
|
||
die("st: can't open font %s\n", fontstr);
|
||
|
||
FcPatternDestroy(pattern);
|
||
}
|
||
|
||
void
|
||
xunloadfont(Font *f)
|
||
{
|
||
XftFontClose(xw.dpy, f->match);
|
||
FcPatternDestroy(f->pattern);
|
||
if (f->set)
|
||
FcFontSetDestroy(f->set);
|
||
}
|
||
|
||
void
|
||
xunloadfonts(void)
|
||
{
|
||
/* Free the loaded fonts in the font cache. */
|
||
while (frclen > 0)
|
||
XftFontClose(xw.dpy, frc[--frclen].font);
|
||
|
||
xunloadfont(&dc.font);
|
||
xunloadfont(&dc.bfont);
|
||
xunloadfont(&dc.ifont);
|
||
xunloadfont(&dc.ibfont);
|
||
}
|
||
|
||
void
|
||
xzoom(const Arg *arg)
|
||
{
|
||
Arg larg;
|
||
|
||
larg.f = usedfontsize + arg->f;
|
||
xzoomabs(&larg);
|
||
}
|
||
|
||
void
|
||
xzoomabs(const Arg *arg)
|
||
{
|
||
xunloadfonts();
|
||
xloadfonts(usedfont, arg->f);
|
||
cresize(0, 0);
|
||
redraw();
|
||
xhints();
|
||
}
|
||
|
||
void
|
||
xzoomreset(const Arg *arg)
|
||
{
|
||
Arg larg;
|
||
|
||
if (defaultfontsize > 0) {
|
||
larg.f = defaultfontsize;
|
||
xzoomabs(&larg);
|
||
}
|
||
}
|
||
|
||
void
|
||
xinit(void)
|
||
{
|
||
XGCValues gcvalues;
|
||
Cursor cursor;
|
||
Window parent;
|
||
pid_t thispid = getpid();
|
||
|
||
if (!(xw.dpy = XOpenDisplay(NULL)))
|
||
die("Can't open display\n");
|
||
xw.scr = XDefaultScreen(xw.dpy);
|
||
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
|
||
|
||
/* font */
|
||
if (!FcInit())
|
||
die("Could not init fontconfig.\n");
|
||
|
||
usedfont = (opt_font == NULL)? font : opt_font;
|
||
xloadfonts(usedfont, 0);
|
||
|
||
/* colors */
|
||
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
|
||
xloadcols();
|
||
|
||
/* adjust fixed window geometry */
|
||
xw.w = 2 * borderpx + term.col * xw.cw;
|
||
xw.h = 2 * borderpx + term.row * xw.ch;
|
||
if (xw.gm & XNegative)
|
||
xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
|
||
if (xw.gm & YNegative)
|
||
xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
|
||
|
||
/* Events */
|
||
xw.attrs.background_pixel = dc.col[defaultbg].pixel;
|
||
xw.attrs.border_pixel = dc.col[defaultbg].pixel;
|
||
xw.attrs.bit_gravity = NorthWestGravity;
|
||
xw.attrs.event_mask = FocusChangeMask | KeyPressMask
|
||
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
|
||
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
|
||
xw.attrs.colormap = xw.cmap;
|
||
|
||
if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
|
||
parent = XRootWindow(xw.dpy, xw.scr);
|
||
xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
|
||
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
|
||
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
|
||
| CWEventMask | CWColormap, &xw.attrs);
|
||
|
||
memset(&gcvalues, 0, sizeof(gcvalues));
|
||
gcvalues.graphics_exposures = False;
|
||
dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
|
||
&gcvalues);
|
||
xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
|
||
DefaultDepth(xw.dpy, xw.scr));
|
||
XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
|
||
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
|
||
|
||
/* Xft rendering context */
|
||
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
|
||
|
||
/* input methods */
|
||
if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
|
||
XSetLocaleModifiers("@im=local");
|
||
if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
|
||
XSetLocaleModifiers("@im=");
|
||
if ((xw.xim = XOpenIM(xw.dpy,
|
||
NULL, NULL, NULL)) == NULL) {
|
||
die("XOpenIM failed. Could not open input"
|
||
" device.\n");
|
||
}
|
||
}
|
||
}
|
||
xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
|
||
| XIMStatusNothing, XNClientWindow, xw.win,
|
||
XNFocusWindow, xw.win, NULL);
|
||
if (xw.xic == NULL)
|
||
die("XCreateIC failed. Could not obtain input method.\n");
|
||
|
||
/* white cursor, black outline */
|
||
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
|
||
XDefineCursor(xw.dpy, xw.win, cursor);
|
||
XRecolorCursor(xw.dpy, cursor,
|
||
&(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
|
||
&(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
|
||
|
||
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
|
||
xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
|
||
xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
|
||
XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
|
||
|
||
xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
|
||
XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
|
||
PropModeReplace, (uchar *)&thispid, 1);
|
||
|
||
xresettitle();
|
||
XMapWindow(xw.dpy, xw.win);
|
||
xhints();
|
||
XSync(xw.dpy, False);
|
||
}
|
||
|
||
int
|
||
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
|
||
{
|
||
float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
|
||
ushort mode, prevmode = USHRT_MAX;
|
||
Font *font = &dc.font;
|
||
int frcflags = FRC_NORMAL;
|
||
float runewidth = xw.cw;
|
||
Rune rune;
|
||
FT_UInt glyphidx;
|
||
FcResult fcres;
|
||
FcPattern *fcpattern, *fontpattern;
|
||
FcFontSet *fcsets[] = { NULL };
|
||
FcCharSet *fccharset;
|
||
int i, f, numspecs = 0;
|
||
|
||
for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
|
||
/* Fetch rune and mode for current glyph. */
|
||
rune = glyphs[i].u;
|
||
mode = glyphs[i].mode;
|
||
|
||
/* Skip dummy wide-character spacing. */
|
||
if (mode == ATTR_WDUMMY)
|
||
continue;
|
||
|
||
/* Determine font for glyph if different from previous glyph. */
|
||
if (prevmode != mode) {
|
||
prevmode = mode;
|
||
font = &dc.font;
|
||
frcflags = FRC_NORMAL;
|
||
runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
|
||
if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
|
||
font = &dc.ibfont;
|
||
frcflags = FRC_ITALICBOLD;
|
||
} else if (mode & ATTR_ITALIC) {
|
||
font = &dc.ifont;
|
||
frcflags = FRC_ITALIC;
|
||
} else if (mode & ATTR_BOLD) {
|
||
font = &dc.bfont;
|
||
frcflags = FRC_BOLD;
|
||
}
|
||
yp = winy + font->ascent;
|
||
}
|
||
|
||
/* Lookup character index with default font. */
|
||
glyphidx = XftCharIndex(xw.dpy, font->match, rune);
|
||
if (glyphidx) {
|
||
specs[numspecs].font = font->match;
|
||
specs[numspecs].glyph = glyphidx;
|
||
specs[numspecs].x = (short)xp;
|
||
specs[numspecs].y = (short)yp;
|
||
xp += runewidth;
|
||
numspecs++;
|
||
continue;
|
||
}
|
||
|
||
/* Fallback on font cache, search the font cache for match. */
|
||
for (f = 0; f < frclen; f++) {
|
||
glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
|
||
/* Everything correct. */
|
||
if (glyphidx && frc[f].flags == frcflags)
|
||
break;
|
||
/* We got a default font for a not found glyph. */
|
||
if (!glyphidx && frc[f].flags == frcflags
|
||
&& frc[f].unicodep == rune) {
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Nothing was found. Use fontconfig to find matching font. */
|
||
if (f >= frclen) {
|
||
if (!font->set)
|
||
font->set = FcFontSort(0, font->pattern,
|
||
1, 0, &fcres);
|
||
fcsets[0] = font->set;
|
||
|
||
/*
|
||
* Nothing was found in the cache. Now use
|
||
* some dozen of Fontconfig calls to get the
|
||
* font for one single character.
|
||
*
|
||
* Xft and fontconfig are design failures.
|
||
*/
|
||
fcpattern = FcPatternDuplicate(font->pattern);
|
||
fccharset = FcCharSetCreate();
|
||
|
||
FcCharSetAddChar(fccharset, rune);
|
||
FcPatternAddCharSet(fcpattern, FC_CHARSET,
|
||
fccharset);
|
||
FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
|
||
|
||
FcConfigSubstitute(0, fcpattern,
|
||
FcMatchPattern);
|
||
FcDefaultSubstitute(fcpattern);
|
||
|
||
fontpattern = FcFontSetMatch(0, fcsets, 1,
|
||
fcpattern, &fcres);
|
||
|
||
/*
|
||
* Overwrite or create the new cache entry.
|
||
*/
|
||
if (frclen >= LEN(frc)) {
|
||
frclen = LEN(frc) - 1;
|
||
XftFontClose(xw.dpy, frc[frclen].font);
|
||
frc[frclen].unicodep = 0;
|
||
}
|
||
|
||
frc[frclen].font = XftFontOpenPattern(xw.dpy,
|
||
fontpattern);
|
||
frc[frclen].flags = frcflags;
|
||
frc[frclen].unicodep = rune;
|
||
|
||
glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
|
||
|
||
f = frclen;
|
||
frclen++;
|
||
|
||
FcPatternDestroy(fcpattern);
|
||
FcCharSetDestroy(fccharset);
|
||
}
|
||
|
||
specs[numspecs].font = frc[f].font;
|
||
specs[numspecs].glyph = glyphidx;
|
||
specs[numspecs].x = (short)xp;
|
||
specs[numspecs].y = (short)(winy + frc[f].font->ascent);
|
||
xp += runewidth;
|
||
numspecs++;
|
||
}
|
||
|
||
return numspecs;
|
||
}
|
||
|
||
void
|
||
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
|
||
{
|
||
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
|
||
int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
|
||
width = charlen * xw.cw;
|
||
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
|
||
XRenderColor colfg, colbg;
|
||
XRectangle r;
|
||
|
||
/* Determine foreground and background colors based on mode. */
|
||
if (base.fg == defaultfg) {
|
||
if (base.mode & ATTR_ITALIC)
|
||
base.fg = defaultitalic;
|
||
else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
|
||
base.fg = defaultitalic;
|
||
else if (base.mode & ATTR_UNDERLINE)
|
||
base.fg = defaultunderline;
|
||
}
|
||
|
||
if (IS_TRUECOL(base.fg)) {
|
||
colfg.alpha = 0xffff;
|
||
colfg.red = TRUERED(base.fg);
|
||
colfg.green = TRUEGREEN(base.fg);
|
||
colfg.blue = TRUEBLUE(base.fg);
|
||
XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
|
||
fg = &truefg;
|
||
} else {
|
||
fg = &dc.col[base.fg];
|
||
}
|
||
|
||
if (IS_TRUECOL(base.bg)) {
|
||
colbg.alpha = 0xffff;
|
||
colbg.green = TRUEGREEN(base.bg);
|
||
colbg.red = TRUERED(base.bg);
|
||
colbg.blue = TRUEBLUE(base.bg);
|
||
XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
|
||
bg = &truebg;
|
||
} else {
|
||
bg = &dc.col[base.bg];
|
||
}
|
||
|
||
/* Change basic system colors [0-7] to bright system colors [8-15] */
|
||
if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
|
||
fg = &dc.col[base.fg + 8];
|
||
|
||
if (IS_SET(MODE_REVERSE)) {
|
||
if (fg == &dc.col[defaultfg]) {
|
||
fg = &dc.col[defaultbg];
|
||
} else {
|
||
colfg.red = ~fg->color.red;
|
||
colfg.green = ~fg->color.green;
|
||
colfg.blue = ~fg->color.blue;
|
||
colfg.alpha = fg->color.alpha;
|
||
XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
|
||
&revfg);
|
||
fg = &revfg;
|
||
}
|
||
|
||
if (bg == &dc.col[defaultbg]) {
|
||
bg = &dc.col[defaultfg];
|
||
} else {
|
||
colbg.red = ~bg->color.red;
|
||
colbg.green = ~bg->color.green;
|
||
colbg.blue = ~bg->color.blue;
|
||
colbg.alpha = bg->color.alpha;
|
||
XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
|
||
&revbg);
|
||
bg = &revbg;
|
||
}
|
||
}
|
||
|
||
if (base.mode & ATTR_REVERSE) {
|
||
temp = fg;
|
||
fg = bg;
|
||
bg = temp;
|
||
}
|
||
|
||
if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
|
||
colfg.red = fg->color.red / 2;
|
||
colfg.green = fg->color.green / 2;
|
||
colfg.blue = fg->color.blue / 2;
|
||
XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
|
||
fg = &revfg;
|
||
}
|
||
|
||
if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
|
||
fg = bg;
|
||
|
||
if (base.mode & ATTR_INVISIBLE)
|
||
fg = bg;
|
||
|
||
/* Intelligent cleaning up of the borders. */
|
||
if (x == 0) {
|
||
xclear(0, (y == 0)? 0 : winy, borderpx,
|
||
winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
|
||
}
|
||
if (x + charlen >= term.col) {
|
||
xclear(winx + width, (y == 0)? 0 : winy, xw.w,
|
||
((y >= term.row-1)? xw.h : (winy + xw.ch)));
|
||
}
|
||
if (y == 0)
|
||
xclear(winx, 0, winx + width, borderpx);
|
||
if (y == term.row-1)
|
||
xclear(winx, winy + xw.ch, winx + width, xw.h);
|
||
|
||
/* Clean up the region we want to draw to. */
|
||
XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
|
||
|
||
/* Set the clip region because Xft is sometimes dirty. */
|
||
r.x = 0;
|
||
r.y = 0;
|
||
r.height = xw.ch;
|
||
r.width = width;
|
||
XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
|
||
|
||
/* Render the glyphs. */
|
||
XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
|
||
|
||
/* Render underline and strikethrough. */
|
||
if (base.mode & ATTR_UNDERLINE) {
|
||
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
|
||
width, 1);
|
||
}
|
||
|
||
if (base.mode & ATTR_STRUCK) {
|
||
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
|
||
width, 1);
|
||
}
|
||
|
||
/* Reset clip to none. */
|
||
XftDrawSetClip(xw.draw, 0);
|
||
}
|
||
|
||
void
|
||
xdrawglyph(Glyph g, int x, int y)
|
||
{
|
||
int numspecs;
|
||
XftGlyphFontSpec spec;
|
||
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
|
||
xdrawglyphfontspecs(&spec, g, numspecs, x, y);
|
||
}
|
||
|
||
void
|
||
xdrawcursor(void)
|
||
{
|
||
static int oldx = 0, oldy = 0;
|
||
int curx;
|
||
Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs};
|
||
|
||
LIMIT(oldx, 0, term.col-1);
|
||
LIMIT(oldy, 0, term.row-1);
|
||
|
||
curx = term.c.x;
|
||
|
||
/* adjust position if in dummy */
|
||
if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
|
||
oldx--;
|
||
if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
|
||
curx--;
|
||
|
||
g.u = term.line[term.c.y][term.c.x].u;
|
||
|
||
/* remove the old cursor */
|
||
xdrawglyph(term.line[oldy][oldx], oldx, oldy);
|
||
|
||
if (IS_SET(MODE_HIDE))
|
||
return;
|
||
|
||
/* draw the new one */
|
||
if (xw.state & WIN_FOCUSED) {
|
||
switch (xw.cursor) {
|
||
case 0: /* Blinking Block */
|
||
case 1: /* Blinking Block (Default) */
|
||
case 2: /* Steady Block */
|
||
if (IS_SET(MODE_REVERSE)) {
|
||
g.mode |= ATTR_REVERSE;
|
||
g.fg = defaultcs;
|
||
g.bg = defaultfg;
|
||
}
|
||
|
||
g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
|
||
xdrawglyph(g, term.c.x, term.c.y);
|
||
break;
|
||
case 3: /* Blinking Underline */
|
||
case 4: /* Steady Underline */
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + curx * xw.cw,
|
||
borderpx + (term.c.y + 1) * xw.ch - cursorthickness,
|
||
xw.cw, cursorthickness);
|
||
break;
|
||
case 5: /* Blinking bar */
|
||
case 6: /* Steady bar */
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + curx * xw.cw,
|
||
borderpx + term.c.y * xw.ch,
|
||
cursorthickness, xw.ch);
|
||
break;
|
||
}
|
||
} else {
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + curx * xw.cw,
|
||
borderpx + term.c.y * xw.ch,
|
||
xw.cw - 1, 1);
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + curx * xw.cw,
|
||
borderpx + term.c.y * xw.ch,
|
||
1, xw.ch - 1);
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + (curx + 1) * xw.cw - 1,
|
||
borderpx + term.c.y * xw.ch,
|
||
1, xw.ch - 1);
|
||
XftDrawRect(xw.draw, &dc.col[defaultcs],
|
||
borderpx + curx * xw.cw,
|
||
borderpx + (term.c.y + 1) * xw.ch - 1,
|
||
xw.cw, 1);
|
||
}
|
||
oldx = curx, oldy = term.c.y;
|
||
}
|
||
|
||
|
||
void
|
||
xsettitle(char *p)
|
||
{
|
||
XTextProperty prop;
|
||
|
||
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
|
||
&prop);
|
||
XSetWMName(xw.dpy, xw.win, &prop);
|
||
XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
|
||
XFree(prop.value);
|
||
}
|
||
|
||
void
|
||
xresettitle(void)
|
||
{
|
||
xsettitle(opt_title ? opt_title : "st");
|
||
}
|
||
|
||
void
|
||
redraw(void)
|
||
{
|
||
tfulldirt();
|
||
draw();
|
||
}
|
||
|
||
void
|
||
draw(void)
|
||
{
|
||
drawregion(0, 0, term.col, term.row);
|
||
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
|
||
xw.h, 0, 0);
|
||
XSetForeground(xw.dpy, dc.gc,
|
||
dc.col[IS_SET(MODE_REVERSE)?
|
||
defaultfg : defaultbg].pixel);
|
||
}
|
||
|
||
void
|
||
drawregion(int x1, int y1, int x2, int y2)
|
||
{
|
||
int i, x, y, ox, numspecs;
|
||
Glyph base, new;
|
||
XftGlyphFontSpec* specs;
|
||
int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
|
||
|
||
if (!(xw.state & WIN_VISIBLE))
|
||
return;
|
||
|
||
for (y = y1; y < y2; y++) {
|
||
if (!term.dirty[y])
|
||
continue;
|
||
|
||
xtermclear(0, y, term.col, y);
|
||
term.dirty[y] = 0;
|
||
|
||
specs = term.specbuf;
|
||
numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
|
||
|
||
i = ox = 0;
|
||
for (x = x1; x < x2 && i < numspecs; x++) {
|
||
new = term.line[y][x];
|
||
if (new.mode == ATTR_WDUMMY)
|
||
continue;
|
||
if (ena_sel && selected(x, y))
|
||
new.mode ^= ATTR_REVERSE;
|
||
if (i > 0 && ATTRCMP(base, new)) {
|
||
xdrawglyphfontspecs(specs, base, i, ox, y);
|
||
specs += i;
|
||
numspecs -= i;
|
||
i = 0;
|
||
}
|
||
if (i == 0) {
|
||
ox = x;
|
||
base = new;
|
||
}
|
||
i++;
|
||
}
|
||
if (i > 0)
|
||
xdrawglyphfontspecs(specs, base, i, ox, y);
|
||
}
|
||
xdrawcursor();
|
||
}
|
||
|
||
void
|
||
expose(XEvent *ev)
|
||
{
|
||
redraw();
|
||
}
|
||
|
||
void
|
||
visibility(XEvent *ev)
|
||
{
|
||
XVisibilityEvent *e = &ev->xvisibility;
|
||
|
||
MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
|
||
}
|
||
|
||
void
|
||
unmap(XEvent *ev)
|
||
{
|
||
xw.state &= ~WIN_VISIBLE;
|
||
}
|
||
|
||
void
|
||
xsetpointermotion(int set)
|
||
{
|
||
MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
|
||
XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
|
||
}
|
||
|
||
void
|
||
xseturgency(int add)
|
||
{
|
||
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
|
||
|
||
MODBIT(h->flags, add, XUrgencyHint);
|
||
XSetWMHints(xw.dpy, xw.win, h);
|
||
XFree(h);
|
||
}
|
||
|
||
void
|
||
focus(XEvent *ev)
|
||
{
|
||
XFocusChangeEvent *e = &ev->xfocus;
|
||
|
||
if (e->mode == NotifyGrab)
|
||
return;
|
||
|
||
if (ev->type == FocusIn) {
|
||
XSetICFocus(xw.xic);
|
||
xw.state |= WIN_FOCUSED;
|
||
xseturgency(0);
|
||
if (IS_SET(MODE_FOCUS))
|
||
ttywrite("\033[I", 3);
|
||
} else {
|
||
XUnsetICFocus(xw.xic);
|
||
xw.state &= ~WIN_FOCUSED;
|
||
if (IS_SET(MODE_FOCUS))
|
||
ttywrite("\033[O", 3);
|
||
}
|
||
}
|
||
|
||
int
|
||
match(uint mask, uint state)
|
||
{
|
||
return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
|
||
}
|
||
|
||
void
|
||
numlock(const Arg *dummy)
|
||
{
|
||
term.numlock ^= 1;
|
||
}
|
||
|
||
char*
|
||
kmap(KeySym k, uint state)
|
||
{
|
||
Key *kp;
|
||
int i;
|
||
|
||
/* Check for mapped keys out of X11 function keys. */
|
||
for (i = 0; i < LEN(mappedkeys); i++) {
|
||
if (mappedkeys[i] == k)
|
||
break;
|
||
}
|
||
if (i == LEN(mappedkeys)) {
|
||
if ((k & 0xFFFF) < 0xFD00)
|
||
return NULL;
|
||
}
|
||
|
||
for (kp = key; kp < key + LEN(key); kp++) {
|
||
if (kp->k != k)
|
||
continue;
|
||
|
||
if (!match(kp->mask, state))
|
||
continue;
|
||
|
||
if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
|
||
continue;
|
||
if (term.numlock && kp->appkey == 2)
|
||
continue;
|
||
|
||
if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
|
||
continue;
|
||
|
||
if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
|
||
continue;
|
||
|
||
return kp->s;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
void
|
||
kpress(XEvent *ev)
|
||
{
|
||
XKeyEvent *e = &ev->xkey;
|
||
KeySym ksym;
|
||
char buf[32], *customkey;
|
||
int len;
|
||
Rune c;
|
||
Status status;
|
||
Shortcut *bp;
|
||
|
||
if (IS_SET(MODE_KBDLOCK))
|
||
return;
|
||
|
||
len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
|
||
/* 1. shortcuts */
|
||
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
|
||
if (ksym == bp->keysym && match(bp->mod, e->state)) {
|
||
bp->func(&(bp->arg));
|
||
return;
|
||
}
|
||
}
|
||
|
||
/* 2. custom keys from config.h */
|
||
if ((customkey = kmap(ksym, e->state))) {
|
||
ttysend(customkey, strlen(customkey));
|
||
return;
|
||
}
|
||
|
||
/* 3. composed string from input method */
|
||
if (len == 0)
|
||
return;
|
||
if (len == 1 && e->state & Mod1Mask) {
|
||
if (IS_SET(MODE_8BIT)) {
|
||
if (*buf < 0177) {
|
||
c = *buf | 0x80;
|
||
len = utf8encode(c, buf);
|
||
}
|
||
} else {
|
||
buf[1] = buf[0];
|
||
buf[0] = '\033';
|
||
len = 2;
|
||
}
|
||
}
|
||
ttysend(buf, len);
|
||
}
|
||
|
||
|
||
void
|
||
cmessage(XEvent *e)
|
||
{
|
||
/*
|
||
* See xembed specs
|
||
* http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
|
||
*/
|
||
if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
|
||
if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
|
||
xw.state |= WIN_FOCUSED;
|
||
xseturgency(0);
|
||
} else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
|
||
xw.state &= ~WIN_FOCUSED;
|
||
}
|
||
} else if (e->xclient.data.l[0] == xw.wmdeletewin) {
|
||
/* Send SIGHUP to shell */
|
||
kill(pid, SIGHUP);
|
||
exit(0);
|
||
}
|
||
}
|
||
|
||
void
|
||
cresize(int width, int height)
|
||
{
|
||
int col, row;
|
||
|
||
if (width != 0)
|
||
xw.w = width;
|
||
if (height != 0)
|
||
xw.h = height;
|
||
|
||
col = (xw.w - 2 * borderpx) / xw.cw;
|
||
row = (xw.h - 2 * borderpx) / xw.ch;
|
||
|
||
tresize(col, row);
|
||
xresize(col, row);
|
||
ttyresize();
|
||
}
|
||
|
||
void
|
||
resize(XEvent *e)
|
||
{
|
||
if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
|
||
return;
|
||
|
||
cresize(e->xconfigure.width, e->xconfigure.height);
|
||
}
|
||
|
||
void
|
||
run(void)
|
||
{
|
||
XEvent ev;
|
||
int w = xw.w, h = xw.h;
|
||
fd_set rfd;
|
||
int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
|
||
struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
|
||
long deltatime;
|
||
|
||
/* Waiting for window mapping */
|
||
do {
|
||
XNextEvent(xw.dpy, &ev);
|
||
/*
|
||
* XFilterEvent is required to be called after you using XOpenIM,
|
||
* this is not unnecessary.It does not only filter the key event,
|
||
* but some clientmessage for input method as well.
|
||
*/
|
||
if (XFilterEvent(&ev, None))
|
||
continue;
|
||
if (ev.type == ConfigureNotify) {
|
||
w = ev.xconfigure.width;
|
||
h = ev.xconfigure.height;
|
||
}
|
||
} while (ev.type != MapNotify);
|
||
|
||
ttynew();
|
||
cresize(w, h);
|
||
|
||
clock_gettime(CLOCK_MONOTONIC, &last);
|
||
lastblink = last;
|
||
|
||
for (xev = actionfps;;) {
|
||
FD_ZERO(&rfd);
|
||
FD_SET(cmdfd, &rfd);
|
||
FD_SET(xfd, &rfd);
|
||
|
||
if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
|
||
if (errno == EINTR)
|
||
continue;
|
||
die("select failed: %s\n", strerror(errno));
|
||
}
|
||
if (FD_ISSET(cmdfd, &rfd)) {
|
||
ttyread();
|
||
if (blinktimeout) {
|
||
blinkset = tattrset(ATTR_BLINK);
|
||
if (!blinkset)
|
||
MODBIT(term.mode, 0, MODE_BLINK);
|
||
}
|
||
}
|
||
|
||
if (FD_ISSET(xfd, &rfd))
|
||
xev = actionfps;
|
||
|
||
clock_gettime(CLOCK_MONOTONIC, &now);
|
||
drawtimeout.tv_sec = 0;
|
||
drawtimeout.tv_nsec = (1000 * 1E6)/ xfps;
|
||
tv = &drawtimeout;
|
||
|
||
dodraw = 0;
|
||
if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
|
||
tsetdirtattr(ATTR_BLINK);
|
||
term.mode ^= MODE_BLINK;
|
||
lastblink = now;
|
||
dodraw = 1;
|
||
}
|
||
deltatime = TIMEDIFF(now, last);
|
||
if (deltatime > 1000 / (xev ? xfps : actionfps)) {
|
||
dodraw = 1;
|
||
last = now;
|
||
}
|
||
|
||
if (dodraw) {
|
||
while (XPending(xw.dpy)) {
|
||
XNextEvent(xw.dpy, &ev);
|
||
if (XFilterEvent(&ev, None))
|
||
continue;
|
||
if (handler[ev.type])
|
||
(handler[ev.type])(&ev);
|
||
}
|
||
|
||
draw();
|
||
XFlush(xw.dpy);
|
||
|
||
if (xev && !FD_ISSET(xfd, &rfd))
|
||
xev--;
|
||
if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
|
||
if (blinkset) {
|
||
if (TIMEDIFF(now, lastblink) \
|
||
> blinktimeout) {
|
||
drawtimeout.tv_nsec = 1000;
|
||
} else {
|
||
drawtimeout.tv_nsec = (1E6 * \
|
||
(blinktimeout - \
|
||
TIMEDIFF(now,
|
||
lastblink)));
|
||
}
|
||
drawtimeout.tv_sec = \
|
||
drawtimeout.tv_nsec / 1E9;
|
||
drawtimeout.tv_nsec %= (long)1E9;
|
||
} else {
|
||
tv = NULL;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
usage(void)
|
||
{
|
||
die("%s " VERSION " (c) 2010-2015 st engineers\n"
|
||
"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
|
||
" [-i] [-t title] [-w windowid] [-e command ...] [command ...]\n"
|
||
" st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
|
||
" [-i] [-t title] [-w windowid] [-l line] [stty_args ...]\n",
|
||
argv0);
|
||
}
|
||
|
||
int
|
||
main(int argc, char *argv[])
|
||
{
|
||
uint cols = 80, rows = 24;
|
||
|
||
xw.l = xw.t = 0;
|
||
xw.isfixed = False;
|
||
xw.cursor = 0;
|
||
|
||
ARGBEGIN {
|
||
case 'a':
|
||
allowaltscreen = 0;
|
||
break;
|
||
case 'c':
|
||
opt_class = EARGF(usage());
|
||
break;
|
||
case 'e':
|
||
if (argc > 0)
|
||
--argc, ++argv;
|
||
goto run;
|
||
case 'f':
|
||
opt_font = EARGF(usage());
|
||
break;
|
||
case 'g':
|
||
xw.gm = XParseGeometry(EARGF(usage()),
|
||
&xw.l, &xw.t, &cols, &rows);
|
||
break;
|
||
case 'i':
|
||
xw.isfixed = 1;
|
||
break;
|
||
case 'o':
|
||
opt_io = EARGF(usage());
|
||
break;
|
||
case 'l':
|
||
opt_line = EARGF(usage());
|
||
break;
|
||
case 't':
|
||
opt_title = EARGF(usage());
|
||
break;
|
||
case 'w':
|
||
opt_embed = EARGF(usage());
|
||
break;
|
||
case 'v':
|
||
default:
|
||
usage();
|
||
} ARGEND;
|
||
|
||
run:
|
||
if (argc > 0) {
|
||
/* eat all remaining arguments */
|
||
opt_cmd = argv;
|
||
if (!opt_title && !opt_line)
|
||
opt_title = basename(xstrdup(argv[0]));
|
||
}
|
||
setlocale(LC_CTYPE, "");
|
||
XSetLocaleModifiers("");
|
||
tnew(MAX(cols, 1), MAX(rows, 1));
|
||
xinit();
|
||
selinit();
|
||
run();
|
||
|
||
return 0;
|
||
}
|
||
|