X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/1aa26b4ecd68e6071d36e9103aa9c21711bbf6ea..c1145268f6b6c6f03a8bec1c09d356d6a4eba77e:/st.c?ds=inline
diff --git a/st.c b/st.c
index 83fdc6d..59db144 100644
--- a/st.c
+++ b/st.c
@@ -1,38 +1,24 @@
-/* See LICENSE for licence details. */
-#define _XOPEN_SOURCE 600
+/* See LICENSE for license details. */
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
-#include <locale.h>
#include <pwd.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/select.h>
-#include <sys/stat.h>
-#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
-#include <time.h>
+#include <termios.h>
#include <unistd.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <fontconfig/fontconfig.h>
-
-#define Glyph Glyph_
-#define Font Font_
-#define Draw XftDraw *
-#define Colour XftColor
-#define Colourmap Colormap
+#include <wchar.h>
+
+#include "st.h"
+#include "win.h"
#if defined(__linux)
#include <pty.h>
@@ -42,50 +28,30 @@
#include <libutil.h>
#endif
-#define USAGE \
- "st " VERSION " (c) 2010-2013 st engineers\n" \
- "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
- " [-t title] [-w windowid] [-e command ...]\n"
-
-/* XEMBED messages */
-#define XEMBED_FOCUS_IN 4
-#define XEMBED_FOCUS_OUT 5
-
/* Arbitrary sizes */
+#define UTF_INVALID 0xFFFD
#define UTF_SIZ 4
#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
#define STR_BUF_SIZ ESC_BUF_SIZ
#define STR_ARG_SIZ ESC_ARG_SIZ
-#define DRAW_BUF_SIZ 20*1024
-#define XK_ANY_MOD UINT_MAX
-#define XK_NO_MOD 0
-#define XK_SWITCH_MOD (1<<13)
-
-#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
/* macros */
-#define SERRNO strerror(errno)
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a[0]))
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
-#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
-#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
-
-#define VT102ID "\033[?6c"
-
-enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_REVERSE = 1,
- ATTR_UNDERLINE = 2,
- ATTR_BOLD = 4,
- ATTR_GFX = 8,
- ATTR_ITALIC = 16,
- ATTR_BLINK = 32,
+#define IS_SET(flag) ((term.mode & (flag)) != 0)
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
+#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
+#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
+#define ISDELIM(u) (u && wcschr(worddelimiters, u))
+
+enum term_mode {
+ MODE_WRAP = 1 << 0,
+ MODE_INSERT = 1 << 1,
+ MODE_ALTSCREEN = 1 << 2,
+ MODE_CRLF = 1 << 3,
+ MODE_ECHO = 1 << 4,
+ MODE_PRINT = 1 << 5,
+ MODE_UTF8 = 1 << 6,
+ MODE_SIXEL = 1 << 7,
};
enum cursor_movement {
@@ -96,910 +62,646 @@ enum cursor_movement {
enum cursor_state {
CURSOR_DEFAULT = 0,
CURSOR_WRAPNEXT = 1,
- CURSOR_ORIGIN = 2
-};
-
-enum glyph_state {
- GLYPH_SET = 1,
- GLYPH_DIRTY = 2
+ CURSOR_ORIGIN = 2
};
-enum term_mode {
- MODE_WRAP = 1,
- MODE_INSERT = 2,
- MODE_APPKEYPAD = 4,
- MODE_ALTSCREEN = 8,
- MODE_CRLF = 16,
- MODE_MOUSEBTN = 32,
- MODE_MOUSEMOTION = 64,
- MODE_MOUSE = 32|64,
- MODE_REVERSE = 128,
- MODE_KBDLOCK = 256,
- MODE_HIDE = 512,
- MODE_ECHO = 1024,
- MODE_APPCURSOR = 2048,
- MODE_MOUSESGR = 4096,
+enum charset {
+ CS_GRAPHIC0,
+ CS_GRAPHIC1,
+ CS_UK,
+ CS_USA,
+ CS_MULTI,
+ CS_GER,
+ CS_FIN
};
enum escape_state {
ESC_START = 1,
- ESC_CSI = 2,
- ESC_STR = 4, /* DSC, OSC, PM, APC */
+ ESC_CSI = 2,
+ ESC_STR = 4, /* OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */
+ ESC_UTF8 = 64,
+ ESC_DCS =128,
};
-enum window_state {
- WIN_VISIBLE = 1,
- WIN_REDRAW = 2,
- WIN_FOCUSED = 4
-};
-
-enum selection_type {
- SEL_REGULAR = 1,
- SEL_RECTANGULAR = 2
-};
-
-/* bit macro */
-#undef B0
-enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
-
-typedef unsigned char uchar;
-typedef unsigned int uint;
-typedef unsigned long ulong;
-typedef unsigned short ushort;
-
-typedef struct {
- char c[UTF_SIZ]; /* character code */
- uchar mode; /* attribute flags */
- ushort fg; /* foreground */
- ushort bg; /* background */
- uchar state; /* state flags */
-} Glyph;
-
-typedef Glyph *Line;
-
typedef struct {
- Glyph attr; /* current char attributes */
+ Glyph attr; /* current char attributes */
int x;
int y;
char state;
} TCursor;
+typedef struct {
+ int mode;
+ int type;
+ int snap;
+ /*
+ * Selection variables:
+ * nb â normalized coordinates of the beginning of the selection
+ * ne â normalized coordinates of the end of the selection
+ * ob â original coordinates of the beginning of the selection
+ * oe â original coordinates of the end of the selection
+ */
+ struct {
+ int x, y;
+ } nb, ne, ob, oe;
+
+ int alt;
+} Selection;
+
+/* Internal representation of the screen */
+typedef struct {
+ int row; /* nb row */
+ int col; /* nb col */
+ Line *line; /* screen */
+ Line *alt; /* alternate screen */
+ int *dirty; /* dirtyness of lines */
+ TCursor c; /* cursor */
+ int ocx; /* old cursor col */
+ int ocy; /* old cursor row */
+ int top; /* top scroll limit */
+ int bot; /* bottom scroll limit */
+ int mode; /* terminal mode flags */
+ int esc; /* escape state flags */
+ char trantbl[4]; /* charset table translation */
+ int charset; /* current charset */
+ int icharset; /* selected charset for sequence */
+ int *tabs;
+} Term;
+
/* CSI Escape sequence structs */
-/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
+/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ size_t len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
- char mode;
+ int narg; /* nb of args */
+ char mode[2];
} CSIEscape;
/* STR Escape sequence structs */
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
typedef struct {
- char type; /* ESC type ... */
- char buf[STR_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ char type; /* ESC type ... */
+ char *buf; /* allocated raw string */
+ size_t siz; /* allocation size */
+ size_t len; /* raw string length */
char *args[STR_ARG_SIZ];
- int narg; /* nb of args */
+ int narg; /* nb of args */
} STREscape;
-/* Internal representation of the screen */
-typedef struct {
- int row; /* nb row */
- int col; /* nb col */
- Line *line; /* screen */
- Line *alt; /* alternate screen */
- bool *dirty; /* dirtyness of lines */
- TCursor c; /* cursor */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
- bool numlock; /* lock numbers in keyboard */
- bool *tabs;
-} Term;
-
-/* Purely graphic info */
-typedef struct {
- Display *dpy;
- Colourmap cmap;
- Window win;
- Drawable buf;
- Atom xembed, wmdeletewin;
- XIM xim;
- XIC xic;
- Draw draw;
- Visual *vis;
- int scr;
- bool isfixed; /* is fixed geometry? */
- int fx, fy, fw, fh; /* fixed geometry */
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int ch; /* char height */
- int cw; /* char width */
- char state; /* focus, redraw, visible */
-} XWindow;
-
-typedef struct {
- KeySym k;
- uint mask;
- char s[ESC_BUF_SIZ];
- /* three valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
- signed char crlf; /* crlf mode */
-} Key;
-
-/* TODO: use better name for vars... */
-typedef struct {
- int mode;
- int type;
- int bx, by;
- int ex, ey;
- struct {
- int x, y;
- } b, e;
- char *clip;
- Atom xtarget;
- bool alt;
- struct timeval tclick1;
- struct timeval tclick2;
-} Selection;
-
-typedef union {
- int i;
- unsigned int ui;
- float f;
- const void *v;
-} Arg;
-
-typedef struct {
- unsigned int mod;
- KeySym keysym;
- void (*func)(const Arg *);
- const Arg arg;
-} Shortcut;
-
-/* function definitions used in config.h */
-static void clippaste(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-static void xzoom(const Arg *);
-
-/* Config.h for applying patches and the configuration. */
-#include "config.h"
-
-/* Font structure */
-typedef struct {
- int height;
- int width;
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XftFont *match;
- FcFontSet *set;
- FcPattern *pattern;
-} Font;
-
-/* Drawing Context */
-typedef struct {
- Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
- Font font, bfont, ifont, ibfont;
- GC gc;
-} DC;
-
-static void die(const char *, ...);
-static void draw(void);
-static void redraw(int);
-static void drawregion(int, int, int, int);
-static void execsh(void);
+static void execsh(char *, char **);
+static void stty(char **);
static void sigchld(int);
-static void run(void);
+static void ttywriteraw(const char *, size_t);
static void csidump(void);
static void csihandle(void);
static void csiparse(void);
static void csireset(void);
+static int eschandle(uchar);
static void strdump(void);
static void strhandle(void);
static void strparse(void);
static void strreset(void);
-static void tclearregion(int, int, int, int, int);
+static void tprinter(char *, size_t);
+static void tdumpsel(void);
+static void tdumpline(int);
+static void tdump(void);
+static void tclearregion(int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
+static int tlinelen(int);
static void tmoveto(int, int);
-static void tmoveato(int x, int y);
-static void tnew(int, int);
+static void tmoveato(int, int);
static void tnewline(int);
-static void tputtab(bool);
-static void tputc(char *, int);
+static void tputtab(int);
+static void tputc(Rune);
static void treset(void);
-static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
-static void tsetattr(int*, int);
-static void tsetchar(char *, Glyph *, int, int);
+static void tsetattr(int *, int);
+static void tsetchar(Rune, Glyph *, int, int);
+static void tsetdirt(int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
-static void tsetdirt(int, int);
-static void tsetmode(bool, bool, int *, int);
+static void tsetmode(int, int, int *, int);
+static int twrite(const char *, int, int);
static void tfulldirt(void);
-static void techo(char *, int);
-
-static inline bool match(uint, uint);
-static void ttynew(void);
-static void ttyread(void);
-static void ttyresize(void);
-static void ttywrite(const char *, size_t);
-
-static void xdraws(char *, Glyph, int, int, int, int);
-static void xhints(void);
-static void xclear(int, int, int, int);
-static void xdrawcursor(void);
-static void xinit(void);
-static void xloadcols(void);
-static int xsetcolorname(int, const char *);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, int);
-static void xsettitle(char *);
-static void xresettitle(void);
-static void xseturgency(int);
-static void xsetsel(char*);
-static void xtermclear(int, int, int, int);
-static void xunloadfonts(void);
-static void xresize(int, int);
-
-static void expose(XEvent *);
-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 *);
-static void bmotion(XEvent *);
-static void selnotify(XEvent *);
-static void selclear(XEvent *);
-static void selrequest(XEvent *);
-
-static void selinit(void);
-static inline bool selected(int, int);
-static void selcopy(void);
+static void tcontrolcode(uchar );
+static void tdectest(char );
+static void tdefutf8(char);
+static int32_t tdefcolor(int *, int *, int);
+static void tdeftran(char);
+static void tstrsequence(uchar);
+
+static void drawregion(int, int, int, int);
+
+static void selnormalize(void);
static void selscroll(int, int);
+static void selsnap(int *, int *, int);
-static int utf8decode(char *, long *);
-static int utf8encode(long *, char *);
-static int utf8size(char *);
-static int isfullutf8(char *, int);
-
-static ssize_t xwrite(int, char *, size_t);
-static void *xmalloc(size_t);
-static void *xrealloc(void *, size_t);
-static void *xcalloc(size_t, size_t);
-
-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,
- [SelectionClear] = selclear,
- [SelectionNotify] = selnotify,
- [SelectionRequest] = selrequest,
-};
+static size_t utf8decode(const char *, Rune *, size_t);
+static Rune utf8decodebyte(char, size_t *);
+static char utf8encodebyte(Rune, size_t);
+static size_t utf8validate(Rune *, size_t);
+
+static char *base64dec(const char *);
+static char base64dec_getc(const char **);
+
+static ssize_t xwrite(int, const char *, size_t);
/* Globals */
-static DC dc;
-static XWindow xw;
static Term term;
+static Selection sel;
static CSIEscape csiescseq;
static STREscape strescseq;
+static int iofd = 1;
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 *usedfont = NULL;
-static int usedfontsize = 0;
-
-/* Font Ring Cache */
-enum {
- FRC_NORMAL,
- FRC_ITALIC,
- FRC_BOLD,
- FRC_ITALICBOLD
-};
-
-typedef struct {
- XftFont *font;
- long c;
- int flags;
-} Fontcache;
-
-/*
- * Fontcache is a ring buffer, with frccur as current position and frclen as
- * the current length of used elements.
- */
-static Fontcache frc[1024];
-static int frccur = -1, frclen = 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};
ssize_t
-xwrite(int fd, char *s, size_t len) {
+xwrite(int fd, const char *s, size_t len)
+{
size_t aux = len;
+ ssize_t r;
- while(len > 0) {
- ssize_t r = write(fd, s, len);
- if(r < 0)
+ 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);
+xmalloc(size_t len)
+{
+ void *p;
- if(!p)
- die("Out of memory\n");
+ if (!(p = malloc(len)))
+ die("malloc: %s\n", strerror(errno));
return p;
}
void *
-xrealloc(void *p, size_t len) {
- if((p = realloc(p, len)) == NULL)
- die("Out of memory\n");
+xrealloc(void *p, size_t len)
+{
+ if ((p = realloc(p, len)) == NULL)
+ die("realloc: %s\n", strerror(errno));
return p;
}
-void *
-xcalloc(size_t nmemb, size_t size) {
- void *p = calloc(nmemb, size);
-
- if(!p)
- die("Out of memory\n");
+char *
+xstrdup(char *s)
+{
+ if ((s = strdup(s)) == NULL)
+ die("strdup: %s\n", strerror(errno));
- return p;
+ return s;
}
-int
-utf8decode(char *s, long *u) {
- uchar c;
- int i, n, rtn;
-
- rtn = 1;
- c = *s;
- if(~c & B7) { /* 0xxxxxxx */
- *u = c;
- return rtn;
- } else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */
- *u = c&(B4|B3|B2|B1|B0);
- n = 1;
- } else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */
- *u = c&(B3|B2|B1|B0);
- n = 2;
- } else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
- *u = c & (B2|B1|B0);
- n = 3;
- } else {
- goto invalid;
- }
-
- for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
- c = *s;
- if((c & (B7|B6)) != B7) /* 10xxxxxx */
- goto invalid;
- *u <<= 6;
- *u |= c & (B5|B4|B3|B2|B1|B0);
- }
-
- if((n == 1 && *u < 0x80) ||
- (n == 2 && *u < 0x800) ||
- (n == 3 && *u < 0x10000) ||
- (*u >= 0xD800 && *u <= 0xDFFF)) {
- goto invalid;
- }
-
- return rtn;
-invalid:
- *u = 0xFFFD;
+size_t
+utf8decode(const char *c, Rune *u, size_t clen)
+{
+ size_t i, j, len, type;
+ Rune udecoded;
- return rtn;
-}
-
-int
-utf8encode(long *u, char *s) {
- uchar *sp;
- ulong uc;
- int i, n;
-
- sp = (uchar *)s;
- uc = *u;
- if(uc < 0x80) {
- *sp = uc; /* 0xxxxxxx */
+ *u = UTF_INVALID;
+ if (!clen)
+ return 0;
+ udecoded = utf8decodebyte(c[0], &len);
+ if (!BETWEEN(len, 1, UTF_SIZ))
return 1;
- } else if(*u < 0x800) {
- *sp = (uc >> 6) | (B7|B6); /* 110xxxxx */
- n = 1;
- } else if(uc < 0x10000) {
- *sp = (uc >> 12) | (B7|B6|B5); /* 1110xxxx */
- n = 2;
- } else if(uc <= 0x10FFFF) {
- *sp = (uc >> 18) | (B7|B6|B5|B4); /* 11110xxx */
- n = 3;
- } else {
- goto invalid;
+ 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);
- for(i=n,++sp; i>0; --i,++sp)
- *sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
+ return len;
+}
- return n+1;
-invalid:
- /* U+FFFD */
- *s++ = '\xEF';
- *s++ = '\xBF';
- *s = '\xBD';
+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 3;
+ return 0;
}
-/* use this if your buffer is less than UTF_SIZ, it returns 1 if you can decode
- UTF-8 otherwise return 0 */
-int
-isfullutf8(char *s, int b) {
- uchar *c1, *c2, *c3;
+size_t
+utf8encode(Rune u, char *c)
+{
+ size_t len, i;
- c1 = (uchar *)s;
- c2 = (uchar *)++s;
- c3 = (uchar *)++s;
- if(b < 1) {
- return 0;
- } else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) {
- return 0;
- } else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
- ((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7))) {
- return 0;
- } else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
- ((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7) ||
- ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) {
+ len = utf8validate(&u, 0);
+ if (len > UTF_SIZ)
return 0;
- } else {
- return 1;
- }
-}
-int
-utf8size(char *s) {
- uchar c = *s;
-
- if(~c&B7) {
- return 1;
- } else if((c&(B7|B6|B5)) == (B7|B6)) {
- return 2;
- } else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) {
- return 3;
- } else {
- return 4;
+ for (i = len - 1; i != 0; --i) {
+ c[i] = utf8encodebyte(u, 0);
+ u >>= 6;
}
-}
-
-void
-selinit(void) {
- memset(&sel.tclick1, 0, sizeof(sel.tclick1));
- memset(&sel.tclick2, 0, sizeof(sel.tclick2));
- sel.mode = 0;
- sel.bx = -1;
- sel.clip = NULL;
- sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if(sel.xtarget == None)
- sel.xtarget = XA_STRING;
-}
+ c[0] = utf8encodebyte(u, len);
-static int
-x2col(int x) {
- x -= borderpx;
- x /= xw.cw;
-
- return LIMIT(x, 0, term.col-1);
+ return len;
}
-static int
-y2row(int y) {
- y -= borderpx;
- y /= xw.ch;
-
- return LIMIT(y, 0, term.row-1);
+char
+utf8encodebyte(Rune u, size_t i)
+{
+ return utfbyte[i] | (u & ~utfmask[i]);
}
-static inline bool
-selected(int x, int y) {
- int bx, ex;
-
- if(sel.ey == y && sel.by == y) {
- bx = MIN(sel.bx, sel.ex);
- ex = MAX(sel.bx, sel.ex);
- return BETWEEN(x, bx, ex);
- }
+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 ((sel.b.y < y && y < sel.e.y)
- || (y == sel.e.y && x <= sel.e.x))
- || (y == sel.b.y && x >= sel.b.x
- && (x <= sel.e.x || sel.b.y != sel.e.y));
- switch(sel.type) {
- case SEL_REGULAR:
- return ((sel.b.y < y && y < sel.e.y)
- || (y == sel.e.y && x <= sel.e.x))
- || (y == sel.b.y && x >= sel.b.x
- && (x <= sel.e.x || sel.b.y != sel.e.y));
- case SEL_RECTANGULAR:
- return ((sel.b.y <= y && y <= sel.e.y)
- && (sel.b.x <= x && x <= sel.e.x));
- };
+ return i;
}
-void
-getbuttoninfo(XEvent *e) {
- int type;
- uint state = e->xbutton.state &~Button1Mask;
-
- sel.alt = IS_SET(MODE_ALTSCREEN);
-
- sel.ex = x2col(e->xbutton.x);
- sel.ey = y2row(e->xbutton.y);
+static const char base64_digits[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
+ 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
+ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
- sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
- sel.b.y = MIN(sel.by, sel.ey);
- sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
- sel.e.y = MAX(sel.by, sel.ey);
+char
+base64dec_getc(const char **src)
+{
+ while (**src && !isprint(**src))
+ (*src)++;
+ return **src ? *((*src)++) : '='; /* emulate padding if string ends */
+}
+
+char *
+base64dec(const char *src)
+{
+ size_t in_len = strlen(src);
+ char *result, *dst;
+
+ if (in_len % 4)
+ in_len += 4 - (in_len % 4);
+ result = dst = xmalloc(in_len / 4 * 3 + 1);
+ while (*src) {
+ int a = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int b = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int c = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int d = base64_digits[(unsigned char) base64dec_getc(&src)];
+
+ /* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
+ if (a == -1 || b == -1)
+ break;
- sel.type = SEL_REGULAR;
- for(type = 1; type < LEN(selmasks); ++type) {
- if(match(selmasks[type], state)) {
- sel.type = type;
+ *dst++ = (a << 2) | ((b & 0x30) >> 4);
+ if (c == -1)
break;
- }
+ *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
+ if (d == -1)
+ break;
+ *dst++ = ((c & 0x03) << 6) | d;
}
+ *dst = '\0';
+ return result;
}
void
-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 ob, ox, oy;
+selinit(void)
+{
+ sel.mode = SEL_IDLE;
+ sel.snap = 0;
+ sel.ob.x = -1;
+}
- /* from urxvt */
- if(e->xbutton.type == MotionNotify) {
- if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
- return;
- button = ob + 32;
- ox = x, oy = y;
- } else if(!IS_SET(MODE_MOUSESGR)
- && (e->xbutton.type == ButtonRelease
- || button == AnyButton)) {
- button = 3;
- } else {
- button -= Button1;
- if(button >= 3)
- button += 64 - 3;
- if(e->xbutton.type == ButtonPress) {
- ob = button;
- ox = x, oy = y;
- }
- }
+int
+tlinelen(int y)
+{
+ int i = term.col;
- button += (state & ShiftMask ? 4 : 0)
- + (state & Mod4Mask ? 8 : 0)
- + (state & ControlMask ? 16 : 0);
+ if (term.line[y][i - 1].mode & ATTR_WRAP)
+ return i;
- len = 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;
- }
+ while (i > 0 && term.line[y][i - 1].u == ' ')
+ --i;
- ttywrite(buf, len);
+ return i;
}
void
-bpress(XEvent *e) {
- if(IS_SET(MODE_MOUSE)) {
- mousereport(e);
- } else if(e->xbutton.button == Button1) {
- if(sel.bx != -1) {
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
- draw();
- }
- sel.mode = 1;
- sel.type = SEL_REGULAR;
- sel.ex = sel.bx = x2col(e->xbutton.x);
- sel.ey = sel.by = y2row(e->xbutton.y);
- } else if(e->xbutton.button == Button4) {
- ttywrite("\031", 1);
- } else if(e->xbutton.button == Button5) {
- ttywrite("\005", 1);
- }
+selstart(int col, int row, int snap)
+{
+ selclear();
+ sel.mode = SEL_EMPTY;
+ sel.type = SEL_REGULAR;
+ sel.alt = IS_SET(MODE_ALTSCREEN);
+ sel.snap = snap;
+ sel.oe.x = sel.ob.x = col;
+ sel.oe.y = sel.ob.y = row;
+ selnormalize();
+
+ if (sel.snap != 0)
+ sel.mode = SEL_READY;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
void
-selcopy(void) {
- char *str, *ptr, *p;
- int x, y, bufsize, is_selected = 0, size;
- Glyph *gp, *last;
-
- if(sel.bx == -1) {
- str = NULL;
- } else {
- bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
-
- /* append every set & selected glyph to the selection */
- for(y = sel.b.y; y < sel.e.y + 1; y++) {
- is_selected = 0;
- gp = &term.line[y][0];
- last = gp + term.col;
+selextend(int col, int row, int type, int done)
+{
+ int oldey, oldex, oldsby, oldsey, oldtype;
- while(--last >= gp && !(last->state & GLYPH_SET))
- /* nothing */;
+ if (sel.mode == SEL_IDLE)
+ return;
+ if (done && sel.mode == SEL_EMPTY) {
+ selclear();
+ return;
+ }
- for(x = 0; gp <= last; x++, ++gp) {
- if(!selected(x, y)) {
- continue;
- } else {
- is_selected = 1;
- }
+ oldey = sel.oe.y;
+ oldex = sel.oe.x;
+ oldsby = sel.nb.y;
+ oldsey = sel.ne.y;
+ oldtype = sel.type;
- p = (gp->state & GLYPH_SET) ? gp->c : " ";
- size = utf8size(p);
- memcpy(ptr, p, size);
- ptr += size;
- }
- /* \n at the end of every selected line except for the last one */
- if(is_selected && y < sel.e.y)
- *ptr++ = '\n';
- }
- *ptr = 0;
- }
- xsetsel(str);
-}
+ sel.oe.x = col;
+ sel.oe.y = row;
+ selnormalize();
+ sel.type = type;
-void
-selnotify(XEvent *e) {
- ulong nitems, ofs, rem;
- int format;
- uchar *data;
- Atom type;
+ if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
+ tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
- ofs = 0;
- do {
- if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4,
- False, AnyPropertyType, &type, &format,
- &nitems, &rem, &data)) {
- fprintf(stderr, "Clipboard allocation failed\n");
- return;
- }
- ttywrite((const char *) data, nitems * format / 8);
- XFree(data);
- /* number of 32-bit chunks returned */
- ofs += nitems * format / 32;
- } while(rem > 0);
+ sel.mode = done ? SEL_IDLE : SEL_READY;
}
void
-selpaste(const Arg *dummy) {
- XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
- xw.win, CurrentTime);
-}
+selnormalize(void)
+{
+ int i;
-void
-clippaste(const Arg *dummy) {
- Atom clipboard;
+ 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);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
- xw.win, CurrentTime);
-}
+ selsnap(&sel.nb.x, &sel.nb.y, -1);
+ selsnap(&sel.ne.x, &sel.ne.y, +1);
-void
-selclear(XEvent *e) {
- if(sel.bx == -1)
+ /* expand selection over line breaks */
+ if (sel.type == SEL_RECTANGULAR)
return;
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
+ 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;
}
-void
-selrequest(XEvent *e) {
- XSelectionRequestEvent *xsre;
- XSelectionEvent xev;
- Atom xa_targets, string;
-
- xsre = (XSelectionRequestEvent *) e;
- xev.type = SelectionNotify;
- xev.requestor = xsre->requestor;
- xev.selection = xsre->selection;
- xev.target = xsre->target;
- xev.time = xsre->time;
- /* reject */
- xev.property = None;
+int
+selected(int x, int y)
+{
+ if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
+ sel.alt != IS_SET(MODE_ALTSCREEN))
+ return 0;
- 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 && sel.clip != NULL) {
- XChangeProperty(xsre->display, xsre->requestor, xsre->property,
- xsre->target, 8, PropModeReplace,
- (uchar *) sel.clip, strlen(sel.clip));
- xev.property = xsre->property;
- }
+ if (sel.type == SEL_RECTANGULAR)
+ return BETWEEN(y, sel.nb.y, sel.ne.y)
+ && BETWEEN(x, sel.nb.x, sel.ne.x);
- /* all done, send a notification to the listener */
- if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev))
- fprintf(stderr, "Error sending SelectionNotify event\n");
+ 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
-xsetsel(char *str) {
- /* register the selection for both the clipboard and the primary */
- Atom clipboard;
+selsnap(int *x, int *y, int direction)
+{
+ int newx, newy, xt, yt;
+ int delim, prevdelim;
+ Glyph *gp, *prevgp;
- free(sel.clip);
- sel.clip = str;
-
- XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime);
+ 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;
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-}
+ if (direction > 0)
+ yt = *y, xt = *x;
+ else
+ yt = newy, xt = newx;
+ if (!(term.line[yt][xt].mode & ATTR_WRAP))
+ break;
+ }
-void
-brelease(XEvent *e) {
- struct timeval now;
+ if (newx >= tlinelen(newy))
+ break;
- if(IS_SET(MODE_MOUSE)) {
- mousereport(e);
- return;
- }
+ gp = &term.line[newy][newx];
+ delim = ISDELIM(gp->u);
+ if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
+ || (delim && gp->u != prevgp->u)))
+ break;
- if(e->xbutton.button == Button2) {
- selpaste(NULL);
- } else if(e->xbutton.button == Button1) {
- sel.mode = 0;
- getbuttoninfo(e);
- term.dirty[sel.ey] = 1;
- if(sel.bx == sel.ex && sel.by == sel.ey) {
- sel.bx = -1;
- gettimeofday(&now, NULL);
-
- if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
- /* triple click on the line */
- sel.b.x = sel.bx = 0;
- sel.e.x = sel.ex = term.col;
- sel.b.y = sel.e.y = sel.ey;
- selcopy();
- } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
- /* double click to select word */
- sel.bx = sel.ex;
- while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
- term.line[sel.ey][sel.bx-1].c[0] != ' ') {
- sel.bx--;
+ *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;
}
- sel.b.x = sel.bx;
- while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
- term.line[sel.ey][sel.ex+1].c[0] != ' ') {
- sel.ex++;
+ }
+ } else if (direction > 0) {
+ for (; *y < term.row-1; *y += direction) {
+ if (!(term.line[*y][term.col-1].mode
+ & ATTR_WRAP)) {
+ break;
}
- sel.e.x = sel.ex;
- sel.b.y = sel.e.y = sel.ey;
- selcopy();
}
- } else {
- selcopy();
}
+ break;
}
-
- memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
- gettimeofday(&sel.tclick1, NULL);
}
-void
-bmotion(XEvent *e) {
- int oldey, oldex, oldsby, oldsey;
+char *
+getsel(void)
+{
+ char *str, *ptr;
+ int y, bufsize, lastx, linelen;
+ Glyph *gp, *last;
- if(IS_SET(MODE_MOUSE)) {
- mousereport(e);
- return;
- }
+ if (sel.ob.x == -1)
+ return NULL;
- if(!sel.mode)
- return;
+ bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
+ ptr = str = xmalloc(bufsize);
+
+ /* append every set & selected glyph to the selection */
+ for (y = sel.nb.y; y <= sel.ne.y; y++) {
+ if ((linelen = tlinelen(y)) == 0) {
+ *ptr++ = '\n';
+ continue;
+ }
- oldey = sel.ey;
- oldex = sel.ex;
- oldsby = sel.b.y;
- oldsey = sel.e.y;
- getbuttoninfo(e);
+ 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;
- if(oldey != sel.ey || oldex != sel.ex) {
- tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
+ 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
-die(const char *errstr, ...) {
+selclear(void)
+{
+ if (sel.ob.x == -1)
+ return;
+ sel.mode = SEL_IDLE;
+ sel.ob.x = -1;
+ tsetdirt(sel.nb.y, sel.ne.y);
+}
+
+void
+die(const char *errstr, ...)
+{
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
- exit(EXIT_FAILURE);
+ exit(1);
}
void
-execsh(void) {
- char **args;
- char *envshell = getenv("SHELL");
- const struct passwd *pass = getpwuid(getuid());
- char buf[sizeof(long) * 8 + 1];
+execsh(char *cmd, char **args)
+{
+ char *sh, *prog, *arg;
+ const struct passwd *pw;
- unsetenv("COLUMNS");
- unsetenv("LINES");
- unsetenv("TERMCAP");
+ errno = 0;
+ if ((pw = getpwuid(getuid())) == NULL) {
+ if (errno)
+ die("getpwuid: %s\n", strerror(errno));
+ else
+ die("who are you?\n");
+ }
- if(pass) {
- setenv("LOGNAME", pass->pw_name, 1);
- setenv("USER", pass->pw_name, 1);
- setenv("SHELL", pass->pw_shell, 0);
- setenv("HOME", pass->pw_dir, 0);
+ if ((sh = getenv("SHELL")) == NULL)
+ sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
+
+ if (args) {
+ prog = args[0];
+ arg = NULL;
+ } else if (scroll) {
+ prog = scroll;
+ arg = utmp ? utmp : sh;
+ } else if (utmp) {
+ prog = utmp;
+ arg = NULL;
+ } else {
+ prog = sh;
+ arg = NULL;
}
+ DEFAULT(args, ((char *[]) {prog, arg, NULL}));
- snprintf(buf, sizeof(buf), "%lu", xw.win);
- setenv("WINDOWID", buf, 1);
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+ setenv("LOGNAME", pw->pw_name, 1);
+ setenv("USER", pw->pw_name, 1);
+ setenv("SHELL", sh, 1);
+ setenv("HOME", pw->pw_dir, 1);
+ setenv("TERM", termname, 1);
signal(SIGCHLD, SIG_DFL);
signal(SIGHUP, SIG_DFL);
@@ -1008,153 +710,313 @@ execsh(void) {
signal(SIGTERM, SIG_DFL);
signal(SIGALRM, SIG_DFL);
- DEFAULT(envshell, shell);
- setenv("TERM", termname, 1);
- args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
- execvp(args[0], args);
- exit(EXIT_FAILURE);
+ execvp(prog, args);
+ _exit(1);
}
void
-sigchld(int a) {
- int stat = 0;
+sigchld(int a)
+{
+ int stat;
+ pid_t p;
- if(waitpid(pid, &stat, 0) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
+ if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
+ die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
- if(WIFEXITED(stat)) {
- exit(WEXITSTATUS(stat));
- } else {
- exit(EXIT_FAILURE);
- }
+ if (pid != p)
+ return;
+
+ if (WIFEXITED(stat) && WEXITSTATUS(stat))
+ die("child exited with status %d\n", WEXITSTATUS(stat));
+ else if (WIFSIGNALED(stat))
+ die("child terminated due to signal %d\n", WTERMSIG(stat));
+ exit(0);
}
void
-ttynew(void) {
+stty(char **args)
+{
+ char cmd[_POSIX_ARG_MAX], **p, *q, *s;
+ size_t n, siz;
+
+ if ((n = strlen(stty_args)) > sizeof(cmd)-1)
+ die("incorrect stty parameters\n");
+ memcpy(cmd, stty_args, n);
+ q = cmd + n;
+ siz = sizeof(cmd) - n;
+ for (p = args; p && (s = *p); ++p) {
+ if ((n = strlen(s)) > siz-1)
+ die("stty parameter length too long\n");
+ *q++ = ' ';
+ memcpy(q, s, n);
+ q += n;
+ siz -= n + 1;
+ }
+ *q = '\0';
+ if (system(cmd) != 0)
+ perror("Couldn't call stty");
+}
+
+int
+ttynew(char *line, char *cmd, char *out, char **args)
+{
int m, s;
- struct winsize w = {term.row, term.col, 0, 0};
+
+ if (out) {
+ term.mode |= MODE_PRINT;
+ iofd = (!strcmp(out, "-")) ?
+ 1 : open(out, O_WRONLY | O_CREAT, 0666);
+ if (iofd < 0) {
+ fprintf(stderr, "Error opening %s:%s\n",
+ out, strerror(errno));
+ }
+ }
+
+ if (line) {
+ if ((cmdfd = open(line, O_RDWR)) < 0)
+ die("open line '%s' failed: %s\n",
+ line, strerror(errno));
+ dup2(cmdfd, 0);
+ stty(args);
+ return cmdfd;
+ }
/* seems to work fine on linux, openbsd and freebsd */
- if(openpty(&m, &s, NULL, NULL, &w) < 0)
- die("openpty failed: %s\n", SERRNO);
+ if (openpty(&m, &s, NULL, NULL, NULL) < 0)
+ die("openpty failed: %s\n", strerror(errno));
- switch(pid = fork()) {
+ switch (pid = fork()) {
case -1:
- die("fork failed\n");
+ die("fork failed: %s\n", strerror(errno));
break;
case 0:
+ close(iofd);
setsid(); /* create a new process group */
- dup2(s, STDIN_FILENO);
- dup2(s, STDOUT_FILENO);
- dup2(s, STDERR_FILENO);
- if(ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", SERRNO);
+ 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();
+#ifdef __OpenBSD__
+ if (pledge("stdio getpw proc exec", NULL) == -1)
+ die("pledge\n");
+#endif
+ execsh(cmd, args);
break;
default:
+#ifdef __OpenBSD__
+ if (pledge("stdio rpath tty proc", NULL) == -1)
+ die("pledge\n");
+#endif
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
- if(opt_io) {
- iofd = (!strcmp(opt_io, "-")) ?
- STDOUT_FILENO :
- open(opt_io, O_WRONLY | O_CREAT, 0666);
- if(iofd < 0) {
- fprintf(stderr, "Error opening %s:%s\n",
- opt_io, strerror(errno));
- }
- }
+ break;
}
+ return cmdfd;
}
-void
-dump(char c) {
- static int col;
-
- fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
- if(++col % 10 == 0)
- fprintf(stderr, "\n");
-}
-
-void
-ttyread(void) {
+size_t
+ttyread(void)
+{
static char buf[BUFSIZ];
static int buflen = 0;
- char *ptr;
- char s[UTF_SIZ];
- int charsize; /* size of utf8 char in bytes */
- long utf8c;
+ int written;
int ret;
/* append read bytes to unprocessed bytes */
- if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("Couldn't read from shell: %s\n", SERRNO);
+ ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
- /* process every complete utf8 char */
- buflen += ret;
- ptr = buf;
- while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
- charsize = utf8decode(ptr, &utf8c);
- utf8encode(&utf8c, s);
- tputc(s, charsize);
- ptr += charsize;
- buflen -= charsize;
- }
+ switch (ret) {
+ case 0:
+ fputs("Found EOF in input\n", stderr);
+ exit(0);
+ case -1:
+ die("couldn't read from shell: %s\n", strerror(errno));
+ default:
+ buflen += ret;
+ written = twrite(buf, buflen, 0);
+ buflen -= written;
+ /* keep any uncomplete utf8 char for the next call */
+ if (buflen > 0)
+ memmove(buf, buf + written, buflen);
+ return ret;
- /* keep any uncomplete utf8 char for the next call */
- memmove(buf, ptr, buflen);
+ }
}
void
-ttywrite(const char *s, size_t n) {
- if(write(cmdfd, s, n) == -1)
- die("write error on tty: %s\n", SERRNO);
-}
+ttywrite(const char *s, size_t n, int may_echo)
+{
+ const char *next;
-void
-ttyresize(void) {
- struct winsize w;
+ if (may_echo && IS_SET(MODE_ECHO))
+ twrite(s, n, 1);
- 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", SERRNO);
+ if (!IS_SET(MODE_CRLF)) {
+ ttywriteraw(s, n);
+ return;
+ }
+
+ /* This is similar to how the kernel handles ONLCR for ttys */
+ while (n > 0) {
+ if (*s == '\r') {
+ next = s + 1;
+ ttywriteraw("\r\n", 2);
+ } else {
+ next = memchr(s, '\r', n);
+ DEFAULT(next, s + n);
+ ttywriteraw(s, next - s);
+ }
+ n -= next - s;
+ s = next;
+ }
}
void
-tsetdirt(int top, int bot) {
+ttywriteraw(const char *s, size_t n)
+{
+ fd_set wfd, rfd;
+ ssize_t r;
+ size_t lim = 256;
+
+ /*
+ * Remember that we are using a pty, which might be a modem line.
+ * Writing too much will clog the line. That's why we are doing this
+ * dance.
+ * FIXME: Migrate the world to Plan 9.
+ */
+ while (n > 0) {
+ FD_ZERO(&wfd);
+ FD_ZERO(&rfd);
+ FD_SET(cmdfd, &wfd);
+ FD_SET(cmdfd, &rfd);
+
+ /* Check if we can write. */
+ if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ if (FD_ISSET(cmdfd, &wfd)) {
+ /*
+ * Only write the bytes written by ttywrite() or the
+ * default of 256. This seems to be a reasonable value
+ * for a serial line. Bigger values might clog the I/O.
+ */
+ if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
+ goto write_error;
+ if (r < n) {
+ /*
+ * We weren't able to write out everything.
+ * This means the buffer is getting full
+ * again. Empty it.
+ */
+ if (n < lim)
+ lim = ttyread();
+ n -= r;
+ s += r;
+ } else {
+ /* All bytes have been written. */
+ break;
+ }
+ }
+ if (FD_ISSET(cmdfd, &rfd))
+ lim = ttyread();
+ }
+ return;
+
+write_error:
+ die("write error on tty: %s\n", strerror(errno));
+}
+
+void
+ttyresize(int tw, int th)
+{
+ struct winsize w;
+
+ w.ws_row = term.row;
+ w.ws_col = term.col;
+ w.ws_xpixel = tw;
+ w.ws_ypixel = th;
+ if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
+ fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
+}
+
+void
+ttyhangup()
+{
+ /* Send SIGHUP to shell */
+ kill(pid, SIGHUP);
+}
+
+int
+tattrset(int attr)
+{
+ int i, j;
+
+ for (i = 0; i < term.row-1; i++) {
+ for (j = 0; j < term.col-1; j++) {
+ if (term.line[i][j].mode & attr)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+void
+tsetdirt(int top, int bot)
+{
int i;
LIMIT(top, 0, term.row-1);
LIMIT(bot, 0, term.row-1);
- for(i = top; i <= bot; i++)
+ for (i = top; i <= bot; i++)
term.dirty[i] = 1;
}
void
-tfulldirt(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;
+tcursor(int mode)
+{
+ static TCursor c[2];
+ int alt = IS_SET(MODE_ALTSCREEN);
- if(mode == CURSOR_SAVE) {
- c = term.c;
- } else if(mode == CURSOR_LOAD) {
- term.c = c;
- tmoveto(c.x, c.y);
+ 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) {
+treset(void)
+{
uint i;
term.c = (TCursor){{
@@ -1164,41 +1026,33 @@ treset(void) {
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for(i = tabspaces; i < term.col; i += tabspaces)
+ for (i = tabspaces; i < term.col; i += tabspaces)
term.tabs[i] = 1;
term.top = 0;
term.bot = term.row - 1;
- term.mode = MODE_WRAP;
+ term.mode = MODE_WRAP|MODE_UTF8;
+ memset(term.trantbl, CS_USA, sizeof(term.trantbl));
+ term.charset = 0;
- tclearregion(0, 0, term.col-1, term.row-1, 0);
- tmoveto(0, 0);
- tcursor(CURSOR_SAVE);
+ 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) {
- /* set screen size */
- term.row = row;
- term.col = col;
- term.line = xmalloc(term.row * sizeof(Line));
- term.alt = xmalloc(term.row * sizeof(Line));
- term.dirty = xmalloc(term.row * sizeof(*term.dirty));
- term.tabs = xmalloc(term.col * sizeof(*term.tabs));
-
- for(row = 0; row < term.row; row++) {
- term.line[row] = xmalloc(term.col * sizeof(Glyph));
- term.alt [row] = xmalloc(term.col * sizeof(Glyph));
- term.dirty[row] = 0;
- }
-
- term.numlock = 1;
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- /* setup screen */
+tnew(int col, int row)
+{
+ term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
+ tresize(col, row);
treset();
}
void
-tswapscreen(void) {
+tswapscreen(void)
+{
Line *tmp = term.line;
term.line = term.alt;
@@ -1208,84 +1062,81 @@ tswapscreen(void) {
}
void
-tscrolldown(int orig, int n) {
+tscrolldown(int orig, int n)
+{
int i;
Line temp;
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
+ tsetdirt(orig, term.bot-n);
+ tclearregion(0, term.bot-n+1, term.col-1, term.bot);
- for(i = term.bot; i >= orig+n; i--) {
+ for (i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
-
- term.dirty[i] = 1;
- term.dirty[i-n] = 1;
}
selscroll(orig, n);
}
void
-tscrollup(int orig, int n) {
+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, 0);
+ LIMIT(n, 0, term.bot-orig+1);
- for(i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
+ tclearregion(0, orig, term.col-1, orig+n-1);
+ tsetdirt(orig+n, term.bot);
- term.dirty[i] = 1;
- term.dirty[i+n] = 1;
+ 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.bx == -1)
+selscroll(int orig, int n)
+{
+ if (sel.ob.x == -1)
return;
- if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
- if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
- sel.bx = -1;
+ if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
+ if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
+ selclear();
return;
}
- switch(sel.type) {
- case SEL_REGULAR:
- if(sel.by < term.top) {
- sel.by = term.top;
- sel.bx = 0;
+ 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.ey > term.bot) {
- sel.ey = term.bot;
- sel.ex = term.col;
+ if (sel.oe.y > term.bot) {
+ sel.oe.y = term.bot;
+ sel.oe.x = term.col;
}
- break;
- case SEL_RECTANGULAR:
- if(sel.by < term.top)
- sel.by = term.top;
- if(sel.ey > term.bot)
- sel.ey = term.bot;
- break;
- };
- sel.b.y = sel.by, sel.b.x = sel.bx;
- sel.e.y = sel.ey, sel.e.x = sel.ex;
+ }
+ selnormalize();
}
}
void
-tnewline(int first_col) {
+tnewline(int first_col)
+{
int y = term.c.y;
- if(y == term.bot) {
+ if (y == term.bot) {
tscrollup(term.top, 1);
} else {
y++;
@@ -1294,58 +1145,62 @@ tnewline(int first_col) {
}
void
-csiparse(void) {
+csiparse(void)
+{
char *p = csiescseq.buf, *np;
long int v;
csiescseq.narg = 0;
- if(*p == '?') {
+ if (*p == '?') {
csiescseq.priv = 1;
p++;
}
- while(p < csiescseq.buf+csiescseq.len) {
+ csiescseq.buf[csiescseq.len] = '\0';
+ while (p < csiescseq.buf+csiescseq.len) {
np = NULL;
v = strtol(p, &np, 10);
- if(np == p)
+ if (np == p)
v = 0;
- if(v == LONG_MAX || v == LONG_MIN)
+ if (v == LONG_MAX || v == LONG_MIN)
v = -1;
csiescseq.arg[csiescseq.narg++] = v;
p = np;
- if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
+ if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
break;
p++;
}
- csiescseq.mode = *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) {
+tmoveato(int x, int y)
+{
tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
}
void
-tmoveto(int x, int y) {
+tmoveto(int x, int y)
+{
int miny, maxy;
- if(term.c.state & CURSOR_ORIGIN) {
+ if (term.c.state & CURSOR_ORIGIN) {
miny = term.top;
maxy = term.bot;
} else {
miny = 0;
maxy = term.row - 1;
}
- LIMIT(x, 0, term.col-1);
- LIMIT(y, miny, maxy);
term.c.state &= ~CURSOR_WRAPNEXT;
- term.c.x = x;
- term.c.y = y;
+ term.c.x = LIMIT(x, 0, term.col-1);
+ term.c.y = LIMIT(y, miny, maxy);
}
void
-tsetchar(char *c, Glyph *attr, int x, int y) {
+tsetchar(Rune u, Glyph *attr, int x, int y)
+{
static char *vt100_0[62] = { /* 0x41 - 0x7e */
"â", "â", "â", "â", "â", "â", "â", /* A - G */
0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
@@ -1360,26 +1215,34 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
/*
* The table is proudly stolen from rxvt.
*/
- if(attr->mode & ATTR_GFX) {
- if(c[0] >= 0x41 && c[0] <= 0x7e
- && vt100_0[c[0] - 0x41]) {
- c = vt100_0[c[0] - 0x41];
+ 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;
- memcpy(term.line[y][x].c, c, UTF_SIZ);
- term.line[y][x].state |= GLYPH_SET;
+ term.line[y][x].u = u;
}
void
-tclearregion(int x1, int y1, int x2, int y2, int bce) {
+tclearregion(int x1, int y1, int x2, int y2)
+{
int x, y, temp;
+ Glyph *gp;
- if(x1 > x2)
+ if (x1 > x2)
temp = x1, x1 = x2, x2 = temp;
- if(y1 > y2)
+ if (y1 > y2)
temp = y1, y1 = y2, y2 = temp;
LIMIT(x1, 0, term.col-1);
@@ -1387,87 +1250,145 @@ tclearregion(int x1, int y1, int x2, int y2, int bce) {
LIMIT(y1, 0, term.row-1);
LIMIT(y2, 0, term.row-1);
- for(y = y1; y <= y2; y++) {
+ for (y = y1; y <= y2; y++) {
term.dirty[y] = 1;
- for(x = x1; x <= x2; x++) {
- if(bce) {
- term.line[y][x] = term.c.attr;
- memcpy(term.line[y][x].c, " ", 2);
- term.line[y][x].state |= GLYPH_SET;
- } else {
- term.line[y][x].state = 0;
- }
+ for (x = x1; x <= x2; x++) {
+ gp = &term.line[y][x];
+ if (selected(x, y))
+ selclear();
+ gp->fg = term.c.attr.fg;
+ gp->bg = term.c.attr.bg;
+ gp->mode = 0;
+ gp->u = ' ';
}
}
}
void
-tdeletechar(int n) {
- int src = term.c.x + n;
- int dst = term.c.x;
- int size = term.col - src;
+tdeletechar(int n)
+{
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
- return;
- }
+ dst = term.c.x;
+ src = term.c.x + n;
+ size = term.col - src;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0);
+ 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 src = term.c.x;
- int dst = src + n;
- int size = term.col - dst;
+tinsertblank(int n)
+{
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
- return;
- }
+ dst = term.c.x + n;
+ src = term.c.x;
+ size = term.col - dst;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
+ tclearregion(src, term.c.y, dst - 1, term.c.y);
}
void
-tinsertblankline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
-
- tscrolldown(term.c.y, n);
+tinsertblankline(int n)
+{
+ if (BETWEEN(term.c.y, term.top, term.bot))
+ tscrolldown(term.c.y, n);
}
void
-tdeleteline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
+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;
+ }
- tscrollup(term.c.y, n);
+ return idx;
}
void
-tsetattr(int *attr, int l) {
+tsetattr(int *attr, int l)
+{
int i;
+ int32_t idx;
- for(i = 0; i < l; i++) {
- switch(attr[i]) {
+ for (i = 0; i < l; i++) {
+ switch (attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
- | ATTR_ITALIC | ATTR_BLINK);
+ 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;
@@ -1475,15 +1396,21 @@ tsetattr(int *attr, int l) {
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 21:
+ 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;
+ term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
break;
case 23:
term.c.attr.mode &= ~ATTR_ITALIC;
@@ -1492,63 +1419,45 @@ tsetattr(int *attr, int l) {
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
case 25:
- case 26:
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(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.fg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad fgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n",
- attr[i]);
- }
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.fg = idx;
break;
case 39:
term.c.attr.fg = defaultfg;
break;
case 48:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.bg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad bgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(48): gfx attr %d unknown\n",
- attr[i]);
- }
+ 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)) {
+ if (BETWEEN(attr[i], 30, 37)) {
term.c.attr.fg = attr[i] - 30;
- } else if(BETWEEN(attr[i], 40, 47)) {
+ } else if (BETWEEN(attr[i], 40, 47)) {
term.c.attr.bg = attr[i] - 40;
- } else if(BETWEEN(attr[i], 90, 97)) {
+ } else if (BETWEEN(attr[i], 90, 97)) {
term.c.attr.fg = attr[i] - 90 + 8;
- } else if(BETWEEN(attr[i], 100, 107)) {
+ } 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();
+ attr[i]);
+ csidump();
}
break;
}
@@ -1556,12 +1465,13 @@ tsetattr(int *attr, int l) {
}
void
-tsetscroll(int t, int b) {
+tsetscroll(int t, int b)
+{
int temp;
LIMIT(t, 0, term.row-1);
LIMIT(b, 0, term.row-1);
- if(t > b) {
+ if (t > b) {
temp = t;
t = b;
b = temp;
@@ -1570,25 +1480,19 @@ tsetscroll(int t, int b) {
term.bot = b;
}
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
void
-tsetmode(bool priv, bool set, int *args, int narg) {
- int *lim, mode;
- bool alt;
+tsetmode(int priv, int set, int *args, int narg)
+{
+ int alt, *lim;
- for(lim = args + narg; args < lim; ++args) {
- if(priv) {
- switch(*args) {
- break;
+ for (lim = args + narg; args < lim; ++args) {
+ if (priv) {
+ switch (*args) {
case 1: /* DECCKM -- Cursor key */
- MODBIT(term.mode, set, MODE_APPCURSOR);
+ xsetmode(set, MODE_APPCURSOR);
break;
case 5: /* DECSCNM -- Reverse video */
- mode = term.mode;
- MODBIT(term.mode, set, MODE_REVERSE);
- if(mode != term.mode)
- redraw(REDRAW_TIMEOUT);
+ xsetmode(set, MODE_REVERSE);
break;
case 6: /* DECOM -- Origin */
MODBIT(term.c.state, set, CURSOR_ORIGIN);
@@ -1608,36 +1512,72 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
case 25: /* DECTCEM -- Text Cursor Enable Mode */
- MODBIT(term.mode, !set, MODE_HIDE);
+ xsetmode(!set, MODE_HIDE);
+ break;
+ case 9: /* X10 mouse compatibility mode */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEX10);
+ break;
+ case 1000: /* 1000: report button press */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEBTN);
break;
- case 1000: /* 1000,1002: enable xterm mouse report */
- MODBIT(term.mode, set, MODE_MOUSEBTN);
- MODBIT(term.mode, 0, MODE_MOUSEMOTION);
+ case 1002: /* 1002: report motion on button press */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEMOTION);
break;
- case 1002:
- MODBIT(term.mode, set, MODE_MOUSEMOTION);
- MODBIT(term.mode, 0, MODE_MOUSEBTN);
+ case 1003: /* 1003: enable all mouse motions */
+ xsetpointermotion(set);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEMANY);
break;
- case 1006:
- MODBIT(term.mode, set, MODE_MOUSESGR);
+ case 1004: /* 1004: send focus events to tty */
+ xsetmode(set, MODE_FOCUS);
break;
- case 1049: /* = 1047 and 1048 */
- case 47:
- case 1047: {
+ case 1006: /* 1006: extended reporting mode */
+ xsetmode(set, MODE_MOUSESGR);
+ break;
+ case 1034:
+ xsetmode(set, MODE_8BIT);
+ break;
+ case 1049: /* swap screen & set/restore cursor as xterm */
+ if (!allowaltscreen)
+ break;
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ /* FALLTHROUGH */
+ case 47: /* swap screen */
+ case 1047:
+ if (!allowaltscreen)
+ break;
alt = IS_SET(MODE_ALTSCREEN);
- if(alt) {
+ if (alt) {
tclearregion(0, 0, term.col-1,
- term.row-1, 0);
+ term.row-1);
}
- if(set ^ alt) /* set is always 1 or 0 */
+ if (set ^ alt) /* set is always 1 or 0 */
tswapscreen();
- if(*args != 1049)
+ if (*args != 1049)
break;
- }
- /* pass through */
+ /* FALLTHROUGH */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
+ case 2004: /* 2004: bracketed paste mode */
+ xsetmode(set, MODE_BRCKTPASTE);
+ break;
+ /* Not implemented mouse modes. See comments there. */
+ case 1001: /* mouse highlight mode; can hang the
+ terminal by design when implemented. */
+ case 1005: /* UTF-8 mouse mode; will confuse
+ applications not supporting UTF-8
+ and luit. */
+ case 1015: /* urxvt mangled mouse mode; incompatible
+ and can be mistaken for other control
+ codes. */
+ break;
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
@@ -1645,11 +1585,11 @@ tsetmode(bool priv, bool set, int *args, int narg) {
break;
}
} else {
- switch(*args) {
+ switch (*args) {
case 0: /* Error (IGNORED) */
break;
- case 2: /* KAM -- keyboard action */
- MODBIT(term.mode, set, MODE_KBDLOCK);
+ case 2:
+ xsetmode(set, MODE_KBDLOCK);
break;
case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
@@ -1669,12 +1609,14 @@ tsetmode(bool priv, bool set, int *args, int narg) {
}
}
}
-#undef MODBIT
-
void
-csihandle(void) {
- switch(csiescseq.mode) {
+csihandle(void)
+{
+ char buf[40];
+ int len;
+
+ switch (csiescseq.mode[0]) {
default:
unknown:
fprintf(stderr, "erresc: unknown csi ");
@@ -1694,9 +1636,28 @@ csihandle(void) {
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(VT102ID, sizeof(VT102ID) - 1);
+ if (csiescseq.arg[0] == 0)
+ ttywrite(vtiden, strlen(vtiden), 0);
break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
@@ -1716,7 +1677,7 @@ csihandle(void) {
tmoveto(0, term.c.y-csiescseq.arg[0]);
break;
case 'g': /* TBC -- Tabulation clear */
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* clear current tab stop */
term.tabs[term.c.x] = 0;
break;
@@ -1740,42 +1701,40 @@ csihandle(void) {
break;
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while(csiescseq.arg[0]--)
- tputtab(1);
+ tputtab(csiescseq.arg[0]);
break;
case 'J': /* ED -- Clear screen */
- sel.bx = -1;
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
- if(term.c.y < term.row-1) {
+ 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, 1);
+ term.row-1);
}
break;
case 1: /* above */
- if(term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1, 1);
- tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+ 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, 1);
+ tclearregion(0, 0, term.col-1, term.row-1);
break;
default:
goto unknown;
}
break;
case 'K': /* EL -- Clear line */
- switch(csiescseq.arg[0]) {
+ switch (csiescseq.arg[0]) {
case 0: /* right */
tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y, 1);
+ term.c.y);
break;
case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+ 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, 1);
+ tclearregion(0, term.c.y, term.col-1, term.c.y);
break;
}
break;
@@ -1801,7 +1760,7 @@ csihandle(void) {
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, 1);
+ term.c.x + csiescseq.arg[0] - 1, term.c.y);
break;
case 'P': /* DCH -- Delete <n> char */
DEFAULT(csiescseq.arg[0], 1);
@@ -1809,8 +1768,7 @@ csihandle(void) {
break;
case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while(csiescseq.arg[0]--)
- tputtab(0);
+ tputtab(-csiescseq.arg[0]);
break;
case 'd': /* VPA -- Move to <row> */
DEFAULT(csiescseq.arg[0], 1);
@@ -1822,8 +1780,15 @@ csihandle(void) {
case 'm': /* SGR -- Terminal attribute (color) */
tsetattr(csiescseq.arg, csiescseq.narg);
break;
+ case 'n': /* DSR â Device Status Report (cursor position) */
+ if (csiescseq.arg[0] == 6) {
+ len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
+ term.c.y+1, term.c.x+1);
+ ttywrite(buf, len, 0);
+ }
+ break;
case 'r': /* DECSTBM -- Set Scrolling Region */
- if(csiescseq.priv) {
+ if (csiescseq.priv) {
goto unknown;
} else {
DEFAULT(csiescseq.arg[0], 1);
@@ -1838,455 +1803,714 @@ csihandle(void) {
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
tcursor(CURSOR_LOAD);
break;
+ case ' ':
+ switch (csiescseq.mode[1]) {
+ case 'q': /* DECSCUSR -- Set Cursor Style */
+ if (xsetcursor(csiescseq.arg[0]))
+ goto unknown;
+ break;
+ default:
+ goto unknown;
+ }
+ break;
}
}
void
-csidump(void) {
- int i;
+csidump(void)
+{
+ size_t i;
uint c;
- printf("ESC[");
- for(i = 0; i < csiescseq.len; i++) {
+ fprintf(stderr, "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)");
+ if (isprint(c)) {
+ putc(c, stderr);
+ } else if (c == '\n') {
+ fprintf(stderr, "(\\n)");
+ } else if (c == '\r') {
+ fprintf(stderr, "(\\r)");
+ } else if (c == 0x1b) {
+ fprintf(stderr, "(\\e)");
} else {
- printf("(%02x)", c);
+ fprintf(stderr, "(%02x)", c);
}
}
- putchar('\n');
+ putc('\n', stderr);
}
void
-csireset(void) {
+csireset(void)
+{
memset(&csiescseq, 0, sizeof(csiescseq));
}
void
-strhandle(void) {
- char *p = NULL;
- int i, j, narg;
+strhandle(void)
+{
+ char *p = NULL, *dec;
+ int j, narg, par;
+ term.esc &= ~(ESC_STR_END|ESC_STR);
strparse();
- narg = strescseq.narg;
+ par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
- switch(strescseq.type) {
+ switch (strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(i = atoi(strescseq.args[0])) {
+ switch (par) {
case 0:
case 1:
case 2:
- if(narg > 1)
+ if (narg > 1)
xsettitle(strescseq.args[1]);
- break;
+ return;
+ case 52:
+ if (narg > 2) {
+ dec = base64dec(strescseq.args[2]);
+ if (dec) {
+ xsetsel(dec);
+ xclipcopy();
+ } else {
+ fprintf(stderr, "erresc: invalid base64\n");
+ }
+ }
+ return;
case 4: /* color set */
- if(narg < 3)
+ if (narg < 3)
break;
p = strescseq.args[2];
- /* fall through */
+ /* 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);
+ if (xsetcolorname(j, p)) {
+ if (par == 104 && narg <= 1)
+ return; /* color reset without parameter */
+ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
+ j, p ? p : "(null)");
} else {
/*
* TODO if defaultbg color is changed, borders
* are dirty
*/
- redraw(0);
+ redraw();
}
- break;
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- break;
+ return;
}
break;
case 'k': /* old title set compatibility */
xsettitle(strescseq.args[0]);
- break;
- case 'P': /* DSC -- Device Control String */
+ return;
+ case 'P': /* DCS -- Device Control String */
+ term.mode |= ESC_DCS;
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- /* die(""); */
- break;
+ return;
}
+
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
}
void
-strparse(void) {
- char *p = strescseq.buf, *sp;
+strparse(void)
+{
+ int c;
+ char *p = strescseq.buf;
+ strescseq.narg = 0;
strescseq.buf[strescseq.len] = '\0';
- for(p = strtok_r(p, ";", &sp); p; p = strtok_r(NULL, ";", &sp)) {
- if(strescseq.narg == STR_ARG_SIZ)
- return;
+
+ 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;
+strdump(void)
+{
+ size_t i;
uint c;
- printf("ESC%c", strescseq.type);
- for(i = 0; i < strescseq.len; i++) {
+ fprintf(stderr, "ESC%c", strescseq.type);
+ for (i = 0; i < strescseq.len; i++) {
c = strescseq.buf[i] & 0xff;
- if(c == '\0') {
+ if (c == '\0') {
+ putc('\n', stderr);
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 if (isprint(c)) {
+ putc(c, stderr);
+ } else if (c == '\n') {
+ fprintf(stderr, "(\\n)");
+ } else if (c == '\r') {
+ fprintf(stderr, "(\\r)");
+ } else if (c == 0x1b) {
+ fprintf(stderr, "(\\e)");
} else {
- printf("(%02x)", c);
+ fprintf(stderr, "(%02x)", c);
}
}
- printf("ESC\\\n");
+ fprintf(stderr, "ESC\\\n");
+}
+
+void
+strreset(void)
+{
+ strescseq = (STREscape){
+ .buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
+ .siz = STR_BUF_SIZ,
+ };
+}
+
+void
+sendbreak(const Arg *arg)
+{
+ if (tcsendbreak(cmdfd, 0))
+ perror("Error sending break");
+}
+
+void
+tprinter(char *s, size_t len)
+{
+ if (iofd != -1 && xwrite(iofd, s, len) < 0) {
+ perror("Error writing to output file");
+ close(iofd);
+ iofd = -1;
+ }
+}
+
+void
+toggleprinter(const Arg *arg)
+{
+ term.mode ^= MODE_PRINT;
+}
+
+void
+printscreen(const Arg *arg)
+{
+ tdump();
+}
+
+void
+printsel(const Arg *arg)
+{
+ tdumpsel();
+}
+
+void
+tdumpsel(void)
+{
+ char *ptr;
+
+ if ((ptr = getsel())) {
+ tprinter(ptr, strlen(ptr));
+ free(ptr);
+ }
+}
+
+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
-strreset(void) {
- memset(&strescseq, 0, sizeof(strescseq));
+tdump(void)
+{
+ int i;
+
+ for (i = 0; i < term.row; ++i)
+ tdumpline(i);
}
void
-tputtab(bool forward) {
+tputtab(int n)
+{
uint x = term.c.x;
- if(forward) {
- if(x == term.col)
- return;
- for(++x; x < term.col && !term.tabs[x]; ++x)
- /* nothing */ ;
+ if (n > 0) {
+ while (x < term.col && n--)
+ for (++x; x < term.col && !term.tabs[x]; ++x)
+ /* nothing */ ;
+ } else if (n < 0) {
+ while (x > 0 && n++)
+ for (--x; x > 0 && !term.tabs[x]; --x)
+ /* nothing */ ;
+ }
+ term.c.x = LIMIT(x, 0, term.col-1);
+}
+
+void
+tdefutf8(char ascii)
+{
+ if (ascii == 'G')
+ term.mode |= MODE_UTF8;
+ else if (ascii == '@')
+ term.mode &= ~MODE_UTF8;
+}
+
+void
+tdeftran(char ascii)
+{
+ static char cs[] = "0B";
+ static int vcs[] = {CS_GRAPHIC0, CS_USA};
+ char *p;
+
+ if ((p = strchr(cs, ascii)) == NULL) {
+ fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
} else {
- if(x == 0)
- return;
- for(--x; x > 0 && !term.tabs[x]; --x)
- /* nothing */ ;
+ term.trantbl[term.icharset] = vcs[p - cs];
}
- tmoveto(x, term.c.y);
}
void
-techo(char *buf, int len) {
- for(; len > 0; buf++, len--) {
- char c = *buf;
+tdectest(char c)
+{
+ int x, y;
- if(c == '\033') { /* escape */
- tputc("^", 1);
- tputc("[", 1);
- } else if(c < '\x20') { /* control code */
- if(c != '\n' && c != '\r' && c != '\t') {
- c |= '\x40';
- tputc("^", 1);
- }
- tputc(&c, 1);
- } else {
- break;
+ 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);
}
}
- if(len)
- tputc(buf, len);
}
void
-tputc(char *c, int len) {
- uchar ascii = *c;
- bool control = ascii < '\x20' || ascii == 0177;
+tstrsequence(uchar c)
+{
+ strreset();
- if(iofd != -1) {
- if(xwrite(iofd, c, len) < 0) {
- fprintf(stderr, "Error writing in %s:%s\n",
- opt_io, strerror(errno));
- close(iofd);
- iofd = -1;
- }
+ switch (c) {
+ case 0x90: /* DCS -- Device Control String */
+ c = 'P';
+ term.esc |= ESC_DCS;
+ break;
+ case 0x9f: /* APC -- Application Program Command */
+ c = '_';
+ break;
+ case 0x9e: /* PM -- Privacy Message */
+ c = '^';
+ break;
+ case 0x9d: /* OSC -- Operating System Command */
+ c = ']';
+ break;
}
+ strescseq.type = c;
+ term.esc |= ESC_STR;
+}
- /*
- * STR sequences must be checked before anything else
- * because it can use some control codes as part of the sequence.
- */
- if(term.esc & ESC_STR) {
- switch(ascii) {
- case '\033':
- term.esc = ESC_START | ESC_STR_END;
- break;
- case '\a': /* backwards compatibility to xterm */
- term.esc = 0;
+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();
- break;
- default:
- if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
- memmove(&strescseq.buf[strescseq.len], c, len);
- strescseq.len += len;
- } 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();
- */
- }
+ } else {
+ xbell();
}
+ break;
+ case '\033': /* ESC */
+ csireset();
+ term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
+ term.esc |= ESC_START;
+ return;
+ case '\016': /* SO (LS1 -- Locking shift 1) */
+ case '\017': /* SI (LS0 -- Locking shift 0) */
+ term.charset = 1 - (ascii - '\016');
+ return;
+ case '\032': /* SUB */
+ tsetchar('?', &term.c.attr, term.c.x, term.c.y);
+ case '\030': /* CAN */
+ csireset();
+ break;
+ case '\005': /* ENQ (IGNORED) */
+ case '\000': /* NUL (IGNORED) */
+ case '\021': /* XON (IGNORED) */
+ case '\023': /* XOFF (IGNORED) */
+ case 0177: /* DEL (IGNORED) */
+ return;
+ case 0x80: /* TODO: PAD */
+ case 0x81: /* TODO: HOP */
+ case 0x82: /* TODO: BPH */
+ case 0x83: /* TODO: NBH */
+ case 0x84: /* TODO: IND */
+ break;
+ case 0x85: /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 0x86: /* TODO: SSA */
+ case 0x87: /* TODO: ESA */
+ break;
+ case 0x88: /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
+ case 0x89: /* TODO: HTJ */
+ case 0x8a: /* TODO: VTS */
+ case 0x8b: /* TODO: PLD */
+ case 0x8c: /* TODO: PLU */
+ case 0x8d: /* TODO: RI */
+ case 0x8e: /* TODO: SS2 */
+ case 0x8f: /* TODO: SS3 */
+ case 0x91: /* TODO: PU1 */
+ case 0x92: /* TODO: PU2 */
+ case 0x93: /* TODO: STS */
+ case 0x94: /* TODO: CCH */
+ case 0x95: /* TODO: MW */
+ case 0x96: /* TODO: SPA */
+ case 0x97: /* TODO: EPA */
+ case 0x98: /* TODO: SOS */
+ case 0x99: /* TODO: SGCI */
+ break;
+ case 0x9a: /* DECID -- Identify Terminal */
+ ttywrite(vtiden, strlen(vtiden), 0);
+ break;
+ case 0x9b: /* TODO: CSI */
+ case 0x9c: /* TODO: ST */
+ break;
+ case 0x90: /* DCS -- Device Control String */
+ case 0x9d: /* OSC -- Operating System Command */
+ case 0x9e: /* PM -- Privacy Message */
+ case 0x9f: /* APC -- Application Program Command */
+ tstrsequence(ascii);
return;
}
+ /* only CAN, SUB, \a and C1 chars interrupt a sequence */
+ term.esc &= ~(ESC_STR_END|ESC_STR);
+}
+
+/*
+ * returns 1 when the sequence is finished and it hasn't to read
+ * more characters for this sequence, otherwise 0
+ */
+int
+eschandle(uchar ascii)
+{
+ switch (ascii) {
+ case '[':
+ term.esc |= ESC_CSI;
+ return 0;
+ case '#':
+ term.esc |= ESC_TEST;
+ return 0;
+ case '%':
+ term.esc |= ESC_UTF8;
+ return 0;
+ case 'P': /* DCS -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ case ']': /* OSC -- Operating System Command */
+ case 'k': /* old title set compatibility */
+ tstrsequence(ascii);
+ return 0;
+ case 'n': /* LS2 -- Locking shift 2 */
+ case 'o': /* LS3 -- Locking shift 3 */
+ term.charset = 2 + (ascii - 'n');
+ break;
+ case '(': /* GZD4 -- set primary charset G0 */
+ case ')': /* G1D4 -- set secondary charset G1 */
+ case '*': /* G2D4 -- set tertiary charset G2 */
+ case '+': /* G3D4 -- set quaternary charset G3 */
+ term.icharset = ascii - '(';
+ term.esc |= ESC_ALTCHARSET;
+ return 0;
+ case 'D': /* IND -- Linefeed */
+ if (term.c.y == term.bot) {
+ tscrollup(term.top, 1);
+ } else {
+ tmoveto(term.c.x, term.c.y+1);
+ }
+ break;
+ case 'E': /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 'H': /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
+ case 'M': /* RI -- Reverse index */
+ if (term.c.y == term.top) {
+ tscrolldown(term.top, 1);
+ } else {
+ tmoveto(term.c.x, term.c.y-1);
+ }
+ break;
+ case 'Z': /* DECID -- Identify Terminal */
+ ttywrite(vtiden, strlen(vtiden), 0);
+ break;
+ case 'c': /* RIS -- Reset to initial state */
+ treset();
+ resettitle();
+ xloadcols();
+ break;
+ case '=': /* DECPAM -- Application keypad */
+ xsetmode(1, MODE_APPKEYPAD);
+ break;
+ case '>': /* DECPNM -- Normal keypad */
+ xsetmode(0, MODE_APPKEYPAD);
+ break;
+ case '7': /* DECSC -- Save Cursor */
+ tcursor(CURSOR_SAVE);
+ break;
+ case '8': /* DECRC -- Restore Cursor */
+ tcursor(CURSOR_LOAD);
+ break;
+ case '\\': /* ST -- String Terminator */
+ if (term.esc & ESC_STR_END)
+ strhandle();
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
+ (uchar) ascii, isprint(ascii)? ascii:'.');
+ break;
+ }
+ return 1;
+}
+
+void
+tputc(Rune u)
+{
+ char c[UTF_SIZ];
+ int control;
+ int width, len;
+ Glyph *gp;
+
+ control = ISCONTROL(u);
+ if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+ c[0] = u;
+ width = len = 1;
+ } else {
+ len = utf8encode(u, c);
+ if (!control && (width = wcwidth(u)) == -1) {
+ memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
+ width = 1;
+ }
+ }
+
+ if (IS_SET(MODE_PRINT))
+ tprinter(c, len);
/*
- * 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.
+ * 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(control) {
- 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(!(xw.state & WIN_FOCUSED))
- xseturgency(1);
- return;
- case '\033': /* ESC */
- csireset();
- term.esc = ESC_START;
+ if (term.esc & ESC_STR) {
+ if (u == '\a' || u == 030 || u == 032 || u == 033 ||
+ ISCONTROLC1(u)) {
+ term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
+ if (IS_SET(MODE_SIXEL)) {
+ /* TODO: render sixel */;
+ term.mode &= ~MODE_SIXEL;
+ return;
+ }
+ term.esc |= ESC_STR_END;
+ goto check_control_code;
+ }
+
+ if (IS_SET(MODE_SIXEL)) {
+ /* TODO: implement sixel mode */
return;
- case '\016': /* SO */
- case '\017': /* SI */
+ }
+ if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
+ term.mode |= MODE_SIXEL;
+
+ if (strescseq.len+len >= strescseq.siz) {
/*
- * Different charsets are hard to handle. Applications
- * should use the right alt charset escapes for the
- * only reason they still exist: line drawing. The
- * rest is incompatible history st should not support.
+ * 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:
*/
- return;
- case '\032': /* SUB */
- case '\030': /* CAN */
- csireset();
- return;
- case '\005': /* ENQ (IGNORED) */
- case '\000': /* NUL (IGNORED) */
- case '\021': /* XON (IGNORED) */
- case '\023': /* XOFF (IGNORED) */
- case 0177: /* DEL (IGNORED) */
- return;
+ /*
+ * term.esc = 0;
+ * strhandle();
+ */
+ if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
+ return;
+ strescseq.siz *= 2;
+ strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
}
- } else if(term.esc & ESC_START) {
- if(term.esc & ESC_CSI) {
- csiescseq.buf[csiescseq.len++] = ascii;
- if(BETWEEN(ascii, 0x40, 0x7E)
- || csiescseq.len >= ESC_BUF_SIZ) {
+
+ memmove(&strescseq.buf[strescseq.len], c, len);
+ strescseq.len += len;
+ return;
+ }
+
+check_control_code:
+ /*
+ * Actions of control codes must be performed as soon they arrive
+ * because they can be embedded inside a control sequence, and
+ * they must not cause conflicts with sequences.
+ */
+ if (control) {
+ tcontrolcode(u);
+ /*
+ * control codes are not shown ever
+ */
+ 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();
}
- } else if(term.esc & ESC_STR_END) {
- term.esc = 0;
- if(ascii == '\\')
- strhandle();
- } else if(term.esc & ESC_ALTCHARSET) {
- switch(ascii) {
- case '0': /* Line drawing set */
- term.c.attr.mode |= ATTR_GFX;
- break;
- case 'B': /* USASCII */
- term.c.attr.mode &= ~ATTR_GFX;
- break;
- case 'A': /* UK (IGNORED) */
- case '<': /* multinational charset (IGNORED) */
- case '5': /* Finnish (IGNORED) */
- case 'C': /* Finnish (IGNORED) */
- case 'K': /* German (IGNORED) */
- break;
- default:
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- }
- term.esc = 0;
- } else if(term.esc & ESC_TEST) {
- if(ascii == '8') { /* DEC screen alignment test. */
- char E[UTF_SIZ] = "E";
- int x, y;
-
- for(x = 0; x < term.col; ++x) {
- for(y = 0; y < term.row; ++y)
- tsetchar(E, &term.c.attr, x, y);
- }
- }
- term.esc = 0;
+ return;
+ } else if (term.esc & ESC_UTF8) {
+ tdefutf8(u);
+ } else if (term.esc & ESC_ALTCHARSET) {
+ tdeftran(u);
+ } else if (term.esc & ESC_TEST) {
+ tdectest(u);
} else {
- switch(ascii) {
- case '[':
- term.esc |= ESC_CSI;
- break;
- case '#':
- term.esc |= ESC_TEST;
- break;
- 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 */
- strreset();
- strescseq.type = ascii;
- term.esc |= ESC_STR;
- break;
- case '(': /* set primary charset G0 */
- term.esc |= ESC_ALTCHARSET;
- break;
- case ')': /* set secondary charset G1 (IGNORED) */
- case '*': /* set tertiary charset G2 (IGNORED) */
- case '+': /* set quaternary charset G3 (IGNORED) */
- term.esc = 0;
- break;
- case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot) {
- tscrollup(term.top, 1);
- } else {
- tmoveto(term.c.x, term.c.y+1);
- }
- term.esc = 0;
- break;
- case 'E': /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- term.esc = 0;
- break;
- case 'H': /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- term.esc = 0;
- 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);
- }
- term.esc = 0;
- break;
- case 'Z': /* DECID -- Identify Terminal */
- ttywrite(VT102ID, sizeof(VT102ID) - 1);
- term.esc = 0;
- break;
- case 'c': /* RIS -- Reset to inital state */
- treset();
- term.esc = 0;
- xresettitle();
- break;
- case '=': /* DECPAM -- Application keypad */
- term.mode |= MODE_APPKEYPAD;
- term.esc = 0;
- break;
- case '>': /* DECPNM -- Normal keypad */
- term.mode &= ~MODE_APPKEYPAD;
- term.esc = 0;
- break;
- case '7': /* DECSC -- Save Cursor */
- tcursor(CURSOR_SAVE);
- term.esc = 0;
- break;
- case '8': /* DECRC -- Restore Cursor */
- tcursor(CURSOR_LOAD);
- term.esc = 0;
- break;
- case '\\': /* ST -- Stop */
- term.esc = 0;
- break;
- default:
- fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)? ascii:'.');
- term.esc = 0;
- }
+ if (!eschandle(u))
+ return;
+ /* sequence already finished */
}
+ term.esc = 0;
/*
* All characters which form part of a sequence are not
* printed
*/
return;
}
- /*
- * Display control codes only if we are in graphic mode
- */
- if(control && !(term.c.attr.mode & ATTR_GFX))
- return;
- if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
- sel.bx = -1;
- if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
- tnewline(1); /* always go to first col */
+ if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+ selclear();
+
+ gp = &term.line[term.c.y][term.c.x];
+ if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+ gp->mode |= ATTR_WRAP;
+ tnewline(1);
+ gp = &term.line[term.c.y][term.c.x];
+ }
+
+ if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
+ memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
- if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
- memmove(&term.line[term.c.y][term.c.x+1],
- &term.line[term.c.y][term.c.x],
- (term.col - term.c.x - 1) * sizeof(Glyph));
+ if (term.c.x+width > term.col) {
+ tnewline(1);
+ gp = &term.line[term.c.y][term.c.x];
}
- tsetchar(c, &term.c.attr, term.c.x, term.c.y);
- if(term.c.x+1 < term.col) {
- tmoveto(term.c.x+1, term.c.y);
+ tsetchar(u, &term.c.attr, term.c.x, term.c.y);
+
+ if (width == 2) {
+ gp->mode |= ATTR_WIDE;
+ if (term.c.x+1 < term.col) {
+ gp[1].u = '\0';
+ gp[1].mode = ATTR_WDUMMY;
+ }
+ }
+ if (term.c.x+width < term.col) {
+ tmoveto(term.c.x+width, term.c.y);
} else {
term.c.state |= CURSOR_WRAPNEXT;
}
}
int
-tresize(int col, int row) {
- int i, x;
+twrite(const char *buf, int buflen, int show_ctrl)
+{
+ int charsize;
+ Rune u;
+ int n;
+
+ for (n = 0; n < buflen; n += charsize) {
+ if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+ /* process a complete utf8 char */
+ charsize = utf8decode(buf + n, &u, buflen - n);
+ if (charsize == 0)
+ break;
+ } else {
+ u = buf[n] & 0xFF;
+ charsize = 1;
+ }
+ if (show_ctrl && ISCONTROL(u)) {
+ if (u & 0x80) {
+ u &= 0x7f;
+ tputc('^');
+ tputc('[');
+ } else if (u != '\n' && u != '\r' && u != '\t') {
+ u ^= 0x40;
+ tputc('^');
+ }
+ }
+ tputc(u);
+ }
+ return n;
+}
+
+void
+tresize(int col, int row)
+{
+ int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
- int slide = term.c.y - row + 1;
- bool *bp;
+ int *bp;
+ TCursor c;
- if(col < 1 || row < 1)
- return 0;
+ if (col < 1 || row < 1) {
+ fprintf(stderr,
+ "tresize: error resizing to %dx%d\n", col, row);
+ return;
+ }
- /* free unneeded rows */
- i = 0;
- if(slide > 0) {
- /*
- * 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 < slide; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
- memmove(term.line, term.line + slide, row * sizeof(Line));
- memmove(term.alt, term.alt + slide, row * sizeof(Line));
+ /*
+ * 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]);
}
- for(i += row; i < term.row; 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]);
}
@@ -2298,29 +2522,23 @@ tresize(int col, int row) {
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.dirty[i] = 1;
+ 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));
- for(x = mincol; x < col; x++) {
- term.line[i][x].state = 0;
- term.alt[i][x].state = 0;
- }
}
/* allocate any new rows */
- for(/* i == minrow */; i < row; i++) {
- term.dirty[i] = 1;
- term.line[i] = xcalloc(col, sizeof(Glyph));
- term.alt [i] = xcalloc(col, sizeof(Glyph));
+ for (/* i = minrow */; i < row; i++) {
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ term.alt[i] = xmalloc(col * sizeof(Glyph));
}
- if(col > term.col) {
+ if (col > term.col) {
bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while(--bp > term.tabs && !*bp)
+ while (--bp > term.tabs && !*bp)
/* nothing */ ;
- for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
+ for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1;
}
/* update terminal size */
@@ -2330,1056 +2548,67 @@ tresize(int col, int row) {
tsetscroll(0, row-1);
/* make use of the LIMIT in tmoveto */
tmoveto(term.c.x, term.c.y);
-
- return (slide > 0);
-}
-
-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));
- XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
- XftDrawChange(xw.draw, xw.buf);
-}
-
-static inline ushort
-sixd_to_16bit(int x) {
- return x == 0 ? 0 : 0x3737 + 0x2828 * x;
-}
-
-void
-xloadcols(void) {
- int i, r, g, b;
- XRenderColor color = { .alpha = 0xffff };
-
- /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
- for(i = 0; i < LEN(colorname); i++) {
- if(!colorname[i])
- continue;
- if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
- die("Could not allocate color '%s'\n", colorname[i]);
- }
- }
-
- /* load colors [16-255] ; same colors as xterm */
- for(i = 16, r = 0; r < 6; r++) {
- for(g = 0; g < 6; g++) {
- for(b = 0; b < 6; b++) {
- color.red = sixd_to_16bit(r);
- color.green = sixd_to_16bit(g);
- color.blue = sixd_to_16bit(b);
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
- die("Could not allocate color %d\n", i);
- }
- i++;
- }
- }
- }
-
- for(r = 0; r < 24; r++, i++) {
- color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
- &dc.col[i])) {
- die("Could not allocate color %d\n", i);
- }
- }
-}
-
-int
-xsetcolorname(int x, const char *name) {
- XRenderColor color = { .alpha = 0xffff };
- Colour colour;
- if (x < 0 || x > LEN(colorname))
- return -1;
- if(!name) {
- if(16 <= x && x < 16 + 216) {
- int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
- color.red = sixd_to_16bit(r);
- color.green = sixd_to_16bit(g);
- color.blue = sixd_to_16bit(b);
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
- return 0; /* something went wrong */
- dc.col[x] = colour;
- return 1;
- } else if (16 + 216 <= x && x < 256) {
- color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
- return 0; /* something went wrong */
- dc.col[x] = colour;
- return 1;
- } else {
- name = colorname[x];
- }
- }
- if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
- return 0;
- dc.col[x] = colour;
- return 1;
-}
-
-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();
- if(xw.isfixed == False) {
- 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;
- } else {
- sizeh->flags = PMaxSize | PMinSize;
- sizeh->min_width = sizeh->max_width = xw.fw;
- sizeh->min_height = sizeh->max_height = xw.fh;
- }
-
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
- XFree(sizeh);
-}
-
-int
-xloadfont(Font *f, FcPattern *pattern) {
- FcPattern *match;
- FcResult result;
-
- match = FcFontMatch(NULL, pattern, &result);
- if(!match)
- return 1;
-
- if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- 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->match->height;
- f->width = f->lbearing + f->rbearing;
-
- return 0;
-}
-
-void
-xloadfonts(char *fontstr, int fontsize) {
- FcPattern *pattern;
- FcResult result;
- double fontval;
-
- 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 > 0) {
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
- usedfontsize = fontsize;
- } else {
- result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
- if(result == FcResultMatch) {
- usedfontsize = (int)fontval;
- } 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;
- }
- }
-
- FcConfigSubstitute(0, pattern, FcMatchPattern);
- FcDefaultSubstitute(pattern);
-
- if(xloadfont(&dc.font, pattern))
- die("st: can't open font %s\n", fontstr);
-
- /* Setting character width and height. */
- xw.cw = dc.font.width;
- xw.ch = dc.font.height;
-
- 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
-xunloadfonts(void) {
- int i, ip;
-
- /*
- * Free the loaded fonts in the font cache. This is done backwards
- * from the frccur.
- */
- for(i = 0, ip = frccur; i < frclen; i++, ip--) {
- if(ip < 0)
- ip = LEN(frc) - 1;
- XftFontClose(xw.dpy, frc[ip].font);
- }
- frccur = -1;
- frclen = 0;
-
- XftFontClose(xw.dpy, dc.font.match);
- FcPatternDestroy(dc.font.pattern);
- FcFontSetDestroy(dc.font.set);
- XftFontClose(xw.dpy, dc.bfont.match);
- FcPatternDestroy(dc.bfont.pattern);
- FcFontSetDestroy(dc.bfont.set);
- XftFontClose(xw.dpy, dc.ifont.match);
- FcPatternDestroy(dc.ifont.pattern);
- FcFontSetDestroy(dc.ifont.set);
- XftFontClose(xw.dpy, dc.ibfont.match);
- FcPatternDestroy(dc.ibfont.pattern);
- FcFontSetDestroy(dc.ibfont.set);
-}
-
-void
-xzoom(const Arg *arg) {
- xunloadfonts();
- xloadfonts(usedfont, usedfontsize + arg->i);
- cresize(0, 0);
- redraw(0);
-}
-
-void
-xinit(void) {
- XSetWindowAttributes attrs;
- XGCValues gcvalues;
- Cursor cursor;
- Window parent;
- int sw, sh;
-
- 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 */
- if(xw.isfixed) {
- sw = DisplayWidth(xw.dpy, xw.scr);
- sh = DisplayHeight(xw.dpy, xw.scr);
- if(xw.fx < 0)
- xw.fx = sw + xw.fx - xw.fw - 1;
- if(xw.fy < 0)
- xw.fy = sh + xw.fy - xw.fh - 1;
-
- xw.h = xw.fh;
- xw.w = xw.fw;
- } else {
- /* window - default size */
- xw.h = 2 * borderpx + term.row * xw.ch;
- xw.w = 2 * borderpx + term.col * xw.cw;
- xw.fx = 0;
- xw.fy = 0;
- }
-
- /* Events */
- attrs.background_pixel = dc.col[defaultbg].pixel;
- attrs.border_pixel = dc.col[defaultbg].pixel;
- attrs.bit_gravity = NorthWestGravity;
- attrs.event_mask = FocusChangeMask | KeyPressMask
- | ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- attrs.colormap = xw.cmap;
-
- parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
- XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
- xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
- xw.vis,
- CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
- | CWColormap,
- &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");
- }
+ /* 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);
}
- }
- 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);
- XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
- xresettitle();
- XMapWindow(xw.dpy, xw.win);
- xhints();
- XSync(xw.dpy, 0);
-}
-
-void
-xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
- width = charlen * xw.cw, xp, i;
- int frp, frcflags;
- int u8fl, u8fblen, u8cblen, doesexist;
- char *u8c, *u8fs;
- long u8char;
- Font *font = &dc.font;
- FcResult fcres;
- FcPattern *fcpattern, *fontpattern;
- FcFontSet *fcsets[] = { NULL };
- FcCharSet *fccharset;
- Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
- *temp, revfg, revbg;
- XRenderColor colfg, colbg;
-
- frcflags = FRC_NORMAL;
-
- if(base.mode & ATTR_BOLD) {
- if(BETWEEN(base.fg, 0, 7)) {
- /* basic system colors */
- fg = &dc.col[base.fg + 8];
- } else if(BETWEEN(base.fg, 16, 195)) {
- /* 256 colors */
- fg = &dc.col[base.fg + 36];
- } else if(BETWEEN(base.fg, 232, 251)) {
- /* greyscale */
- fg = &dc.col[base.fg + 4];
+ if (0 < col && minrow < row) {
+ tclearregion(0, minrow, col - 1, row - 1);
}
- /*
- * Those ranges will not be brightened:
- * 8 - 15 â bright system colors
- * 196 - 231 â highest 256 color cube
- * 252 - 255 â brightest colors in greyscale
- */
- font = &dc.bfont;
- frcflags = FRC_BOLD;
- }
-
- if(base.mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- }
- if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- }
-
- 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;
- }
-
- /* 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);
-
- fcsets[0] = font->set;
- for(xp = winx; bytelen > 0;) {
- /*
- * Search for the range in the to be printed string of glyphs
- * that are in the main font. Then print that range. If
- * some glyph is found that is not in the font, do the
- * fallback dance.
- */
- u8fs = s;
- u8fblen = 0;
- u8fl = 0;
- for(;;) {
- u8c = s;
- u8cblen = utf8decode(s, &u8char);
- s += u8cblen;
- bytelen -= u8cblen;
-
- doesexist = XftCharIndex(xw.dpy, font->match, u8char);
- if(!doesexist || bytelen <= 0) {
- if(bytelen <= 0) {
- if(doesexist) {
- u8fl++;
- u8fblen += u8cblen;
- }
- }
-
- if(u8fl > 0) {
- XftDrawStringUtf8(xw.draw, fg,
- font->match, xp,
- winy + font->ascent,
- (FcChar8 *)u8fs,
- u8fblen);
- xp += font->width * u8fl;
- }
- break;
- }
-
- u8fl++;
- u8fblen += u8cblen;
- }
- if(doesexist)
- break;
-
- frp = frccur;
- /* Search the font cache. */
- for(i = 0; i < frclen; i++, frp--) {
- if(frp <= 0)
- frp = LEN(frc) - 1;
-
- if(frc[frp].c == u8char
- && frc[frp].flags == frcflags) {
- break;
- }
- }
-
- /* Nothing was found. */
- if(i >= frclen) {
- /*
- * Nothing was found in the cache. Now use
- * some dozen of Fontconfig calls to get the
- * font for one single character.
- */
- fcpattern = FcPatternDuplicate(font->pattern);
- fccharset = FcCharSetCreate();
-
- FcCharSetAddChar(fccharset, u8char);
- FcPatternAddCharSet(fcpattern, FC_CHARSET,
- fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE,
- FcTrue);
-
- FcConfigSubstitute(0, fcpattern,
- FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
-
- fontpattern = FcFontSetMatch(0, fcsets,
- FcTrue, fcpattern, &fcres);
-
- /*
- * Overwrite or create the new cache entry
- * entry.
- */
- frccur++;
- frclen++;
- if(frccur >= LEN(frc))
- frccur = 0;
- if(frclen > LEN(frc)) {
- frclen = LEN(frc);
- XftFontClose(xw.dpy, frc[frccur].font);
- }
-
- frc[frccur].font = XftFontOpenPattern(xw.dpy,
- fontpattern);
- frc[frccur].c = u8char;
- frc[frccur].flags = frcflags;
-
- FcPatternDestroy(fcpattern);
- FcCharSetDestroy(fccharset);
-
- frp = frccur;
- }
-
- XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
- xp, winy + frc[frp].font->ascent,
- (FcChar8 *)u8c, u8cblen);
-
- xp += font->width;
- }
-
- /*
- XftDrawStringUtf8(xw.draw, fg, font->set, winx,
- winy + font->ascent, (FcChar8 *)s, bytelen);
- */
-
- if(base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
- width, 1);
- }
-}
-
-void
-xdrawcursor(void) {
- static int oldx = 0, oldy = 0;
- int sl;
- Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
-
- LIMIT(oldx, 0, term.col-1);
- LIMIT(oldy, 0, term.row-1);
-
- if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
- memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
-
- /* remove the old cursor */
- if(term.line[oldy][oldx].state & GLYPH_SET) {
- sl = utf8size(term.line[oldy][oldx].c);
- xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
- oldy, 1, sl);
- } else {
- xtermclear(oldx, oldy, oldx, oldy);
- }
-
- /* draw the new one */
- if(!(IS_SET(MODE_HIDE))) {
- if(!(xw.state & WIN_FOCUSED))
- g.bg = defaultucs;
-
- if(IS_SET(MODE_REVERSE))
- g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
-
- sl = utf8size(g.c);
- xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
- oldx = term.c.x, oldy = term.c.y;
- }
-}
-
-
-void
-xsettitle(char *p) {
- XTextProperty prop;
-
- Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop);
- XSetWMName(xw.dpy, xw.win, &prop);
-}
-
-void
-xresettitle(void) {
- xsettitle(opt_title ? opt_title : "st");
-}
-
-void
-redraw(int timeout) {
- struct timespec tv = {0, timeout * 1000};
-
- tfulldirt();
- draw();
-
- if(timeout > 0) {
- nanosleep(&tv, NULL);
- XSync(xw.dpy, False); /* necessary for a good tput flash */
+ tswapscreen();
+ tcursor(CURSOR_LOAD);
}
+ term.c = c;
}
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);
+resettitle(void)
+{
+ xsettitle(NULL);
}
void
-drawregion(int x1, int y1, int x2, int y2) {
- int ic, ib, x, y, ox, sl;
- Glyph base, new;
- char buf[DRAW_BUF_SIZ];
- bool ena_sel = sel.bx != -1;
-
- if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
- ena_sel = 0;
-
- if(!(xw.state & WIN_VISIBLE))
- return;
-
- for(y = y1; y < y2; y++) {
- if(!term.dirty[y])
+drawregion(int x1, int y1, int x2, int y2)
+{
+ int y;
+ for (y = y1; y < y2; y++) {
+ if (!term.dirty[y])
continue;
- xtermclear(0, y, term.col, y);
term.dirty[y] = 0;
- base = term.line[y][0];
- ic = ib = ox = 0;
- for(x = x1; x < x2; x++) {
- new = term.line[y][x];
- if(ena_sel && *(new.c) && selected(x, y))
- new.mode ^= ATTR_REVERSE;
- if(ib > 0 && (!(new.state & GLYPH_SET)
- || ATTRCMP(base, new)
- || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
- xdraws(buf, base, ox, y, ic, ib);
- ic = ib = 0;
- }
- if(new.state & GLYPH_SET) {
- if(ib == 0) {
- ox = x;
- base = new;
- }
-
- sl = utf8size(new.c);
- memcpy(buf+ib, new.c, sl);
- ib += sl;
- ++ic;
- }
- }
- if(ib > 0)
- xdraws(buf, base, ox, y, ic, ib);
- }
- xdrawcursor();
-}
-
-void
-expose(XEvent *ev) {
- XExposeEvent *e = &ev->xexpose;
-
- if(xw.state & WIN_REDRAW) {
- if(!e->count)
- xw.state &= ~WIN_REDRAW;
- }
- redraw(0);
-}
-
-void
-visibility(XEvent *ev) {
- XVisibilityEvent *e = &ev->xvisibility;
-
- if(e->state == VisibilityFullyObscured) {
- xw.state &= ~WIN_VISIBLE;
- } else if(!(xw.state & WIN_VISIBLE)) {
- /* need a full redraw for next Expose, not just a buf copy */
- xw.state |= WIN_VISIBLE | WIN_REDRAW;
+ xdrawline(term.line[y], x1, y, x2);
}
}
void
-unmap(XEvent *ev) {
- xw.state &= ~WIN_VISIBLE;
-}
+draw(void)
+{
+ int cx = term.c.x;
-void
-xseturgency(int add) {
- XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
- h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
- XSetWMHints(xw.dpy, xw.win, h);
- XFree(h);
-}
-
-void
-focus(XEvent *ev) {
- XFocusChangeEvent *e = &ev->xfocus;
-
- if(e->mode == NotifyGrab)
+ if (!xstartdraw())
return;
- if(ev->type == FocusIn) {
- XSetICFocus(xw.xic);
- xw.state |= WIN_FOCUSED;
- xseturgency(0);
- } else {
- XUnsetICFocus(xw.xic);
- xw.state &= ~WIN_FOCUSED;
- }
-}
-
-inline bool
-match(uint mask, uint state) {
- state &= ~(ignoremod);
-
- if(mask == XK_NO_MOD && state)
- return false;
- if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
- return false;
- if((state & mask) != state)
- return false;
- return true;
-}
-
-void
-numlock(const Arg *dummy) {
- term.numlock ^= 1;
-}
-
-char*
-kmap(KeySym k, uint state) {
- uint mask;
- 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++) {
- mask = kp->mask;
+ /* adjust cursor position */
+ LIMIT(term.ocx, 0, term.col-1);
+ LIMIT(term.ocy, 0, term.row-1);
+ if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
+ term.ocx--;
+ if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
+ cx--;
- if(kp->k != k)
- continue;
-
- if(!match(mask, state))
- continue;
-
- if(kp->appkey > 0) {
- if(!IS_SET(MODE_APPKEYPAD))
- continue;
- if(term.numlock && kp->appkey == 2)
- continue;
- } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
- continue;
- }
-
- if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
- (kp->appcursor > 0
- && !IS_SET(MODE_APPCURSOR))) {
- continue;
- }
-
- if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
- (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
- continue;
- }
-
- return kp->s;
- }
-
- return NULL;
-}
-
-void
-kpress(XEvent *ev) {
- XKeyEvent *e = &ev->xkey;
- KeySym ksym;
- char xstr[31], buf[32], *customkey, *cp = buf;
- int len;
- Status status;
- Shortcut *bp;
-
- if(IS_SET(MODE_KBDLOCK))
- return;
-
- len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
- e->state &= ~Mod2Mask;
- /* 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))) {
- len = strlen(customkey);
- memcpy(buf, customkey, len);
- /* 2. hardcoded (overrides X lookup) */
- } else {
- if(len == 0)
- return;
-
- if(len == 1 && e->state & Mod1Mask)
- *cp++ = '\033';
-
- memcpy(cp, xstr, len);
- len = cp - buf + len;
- }
-
- ttywrite(buf, len);
- if(IS_SET(MODE_ECHO))
- techo(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(EXIT_SUCCESS);
- }
-}
-
-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);
+ drawregion(0, 0, term.col, term.row);
+ xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
+ term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
+ term.ocx = cx, term.ocy = term.c.y;
+ xfinishdraw();
+ xximspot(term.ocx, term.ocy);
}
void
-run(void) {
- XEvent ev;
- fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), xev;
- struct timeval drawtimeout, *tv = NULL, now, last;
-
- gettimeofday(&last, NULL);
-
- for(xev = actionfps;;) {
- FD_ZERO(&rfd);
- FD_SET(cmdfd, &rfd);
- FD_SET(xfd, &rfd);
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
- if(errno == EINTR)
- continue;
- die("select failed: %s\n", SERRNO);
- }
-
- gettimeofday(&now, NULL);
- drawtimeout.tv_sec = 0;
- drawtimeout.tv_usec = (1000/xfps) * 1000;
- tv = &drawtimeout;
-
- if(FD_ISSET(cmdfd, &rfd))
- ttyread();
-
- if(FD_ISSET(xfd, &rfd))
- xev = actionfps;
-
- if(TIMEDIFF(now, last) > \
- (xev ? (1000/xfps) : (1000/actionfps))) {
- 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);
- last = now;
-
- if(xev && !FD_ISSET(xfd, &rfd))
- xev--;
- if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
- tv = NULL;
- }
- }
-}
-
-int
-main(int argc, char *argv[]) {
- int i, bitm, xr, yr;
- uint wr, hr;
-
- xw.fw = xw.fh = xw.fx = xw.fy = 0;
- xw.isfixed = False;
-
- for(i = 1; i < argc; i++) {
- switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
- case 'c':
- if(++i < argc)
- opt_class = argv[i];
- break;
- case 'e':
- /* eat all remaining arguments */
- if(++i < argc)
- opt_cmd = &argv[i];
- goto run;
- case 'f':
- if(++i < argc)
- opt_font = argv[i];
- break;
- case 'g':
- if(++i >= argc)
- break;
-
- bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
- if(bitm & XValue)
- xw.fx = xr;
- if(bitm & YValue)
- xw.fy = yr;
- if(bitm & WidthValue)
- xw.fw = (int)wr;
- if(bitm & HeightValue)
- xw.fh = (int)hr;
- if(bitm & XNegative && xw.fx == 0)
- xw.fx = -1;
- if(bitm & XNegative && xw.fy == 0)
- xw.fy = -1;
-
- if(xw.fh != 0 && xw.fw != 0)
- xw.isfixed = True;
- break;
- case 'o':
- if(++i < argc)
- opt_io = argv[i];
- break;
- case 't':
- if(++i < argc)
- opt_title = argv[i];
- break;
- case 'v':
- default:
- die(USAGE);
- case 'w':
- if(++i < argc)
- opt_embed = argv[i];
- break;
- }
- }
-
-run:
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
- tnew(80, 24);
- xinit();
- ttynew();
- selinit();
- run();
-
- return 0;
+redraw(void)
+{
+ tfulldirt();
+ draw();
}
-