Fix segfault when pressing PrintScr without a selection

[st.git] / st.c

diff --git a/st.c b/st.c
index 16803ec..d58af7d 100644 (file)
--- a/st.c
+++ b/st.c
@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>

+#include <stdint.h>

 #include <sys/ioctl.h>
 #include <sys/select.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/select.h>
 #include <sys/stat.h>


@@ -27,6 +28,7 @@
 #include <X11/keysym.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>
 #include <X11/keysym.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>

+#include <wchar.h>

 
 #include "arg.h"
 
 
 #include "arg.h"
 


@@ -53,6 +55,7 @@ char *argv0;
 #define XEMBED_FOCUS_OUT 5
 
 /* Arbitrary sizes */
 #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 UTF_SIZ       4
 #define ESC_BUF_SIZ   (128*UTF_SIZ)
 #define ESC_ARG_SIZ   16


@@ -76,6 +79,14 @@ char *argv0;
 #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 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 CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
+
+#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x)    (1 << 24 & (x))
+#define TRUERED(x)       (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x)     (((x) & 0xff00))
+#define TRUEBLUE(x)      (((x) & 0xff) << 8)
+

 
 #define VT102ID "\033[?6c"
 
 
 #define VT102ID "\033[?6c"
 


@@ -88,6 +99,8 @@ enum glyph_attribute {
        ATTR_ITALIC    = 16,
        ATTR_BLINK     = 32,
        ATTR_WRAP      = 64,
        ATTR_ITALIC    = 16,
        ATTR_BLINK     = 32,
        ATTR_WRAP      = 64,

+       ATTR_WIDE      = 128,
+       ATTR_WDUMMY    = 256,

 };
 
 enum cursor_movement {
 };
 
 enum cursor_movement {


@@ -98,37 +111,49 @@ enum cursor_movement {
 enum cursor_state {
        CURSOR_DEFAULT  = 0,
        CURSOR_WRAPNEXT = 1,
 enum cursor_state {
        CURSOR_DEFAULT  = 0,
        CURSOR_WRAPNEXT = 1,

-       CURSOR_ORIGIN   = 2
+       CURSOR_ORIGIN   = 2

 };
 
 enum term_mode {
 };
 
 enum term_mode {

-       MODE_WRAP        = 1,
+       MODE_WRAP        = 1,

        MODE_INSERT      = 2,
        MODE_APPKEYPAD   = 4,
        MODE_ALTSCREEN   = 8,
        MODE_INSERT      = 2,
        MODE_APPKEYPAD   = 4,
        MODE_ALTSCREEN   = 8,

-       MODE_CRLF        = 16,
+       MODE_CRLF        = 16,

        MODE_MOUSEBTN    = 32,
        MODE_MOUSEMOTION = 64,
        MODE_REVERSE     = 128,
        MODE_KBDLOCK     = 256,
        MODE_MOUSEBTN    = 32,
        MODE_MOUSEMOTION = 64,
        MODE_REVERSE     = 128,
        MODE_KBDLOCK     = 256,

-       MODE_HIDE        = 512,
-       MODE_ECHO        = 1024,
-       MODE_APPCURSOR   = 2048,
+       MODE_HIDE        = 512,
+       MODE_ECHO        = 1024,
+       MODE_APPCURSOR   = 2048,

        MODE_MOUSESGR    = 4096,
        MODE_MOUSESGR    = 4096,

-       MODE_8BIT        = 8192,
-       MODE_BLINK       = 16384,
-       MODE_FBLINK      = 32768,
-       MODE_FOCUS       = 65536,
-       MODE_MOUSEX10    = 131072,
+       MODE_8BIT        = 8192,
+       MODE_BLINK       = 16384,
+       MODE_FBLINK      = 32768,
+       MODE_FOCUS       = 65536,
+       MODE_MOUSEX10    = 131072,

        MODE_MOUSEMANY   = 262144,
        MODE_MOUSEMANY   = 262144,

+       MODE_BRCKTPASTE  = 524288,
+       MODE_PRINT       = 1048576,

        MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
        MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\

-                          |MODE_MOUSEMANY,
+                         |MODE_MOUSEMANY,
+};
+
+enum charset {
+       CS_GRAPHIC0,
+       CS_GRAPHIC1,
+       CS_UK,
+       CS_USA,
+       CS_MULTI,
+       CS_GER,
+       CS_FIN

 };
 
 enum escape_state {
        ESC_START      = 1,
 };
 
 enum escape_state {
        ESC_START      = 1,

-       ESC_CSI = 2,
-       ESC_STR = 4, /* DSC, OSC, PM, APC */
+       ESC_CSI        = 2,
+       ESC_STR        = 4,  /* DSC, OSC, PM, APC */

        ESC_ALTCHARSET = 8,
        ESC_STR_END    = 16, /* a final string was encountered */
        ESC_TEST       = 32, /* Enter in test mode */
        ESC_ALTCHARSET = 8,
        ESC_STR_END    = 16, /* a final string was encountered */
        ESC_TEST       = 32, /* Enter in test mode */


@@ -150,26 +175,22 @@ enum selection_snap {
        SNAP_LINE = 2
 };
 
        SNAP_LINE = 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 {
 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  */
+       char c[UTF_SIZ]; /* character code */
+       ushort mode;      /* attribute flags */
+       uint32_t fg;      /* foreground  */
+       uint32_t bg;      /* background  */

 } Glyph;
 
 typedef Glyph *Line;
 
 typedef struct {
 } Glyph;
 
 typedef Glyph *Line;
 
 typedef struct {

-       Glyph attr;      /* current char attributes */
+       Glyph attr; /* current char attributes */

        int x;
        int y;
        char state;
        int x;
        int y;
        char state;


@@ -179,36 +200,39 @@ typedef struct {
 /* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
 typedef struct {
        char buf[ESC_BUF_SIZ]; /* raw string */
 /* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
 typedef struct {
        char buf[ESC_BUF_SIZ]; /* raw string */

-       int len;               /* raw string length */
+       int len;               /* raw string length */

        char priv;
        int arg[ESC_ARG_SIZ];
        char priv;
        int arg[ESC_ARG_SIZ];

-       int narg;              /* nb of args */
+       int narg;              /* nb of args */

        char mode;
 } CSIEscape;
 
 /* STR Escape sequence structs */
 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
 typedef struct {
        char mode;
 } CSIEscape;
 
 /* STR Escape sequence structs */
 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
 typedef struct {

-       char type;           /* ESC type ... */
+       char type;             /* ESC type ... */

        char buf[STR_BUF_SIZ]; /* raw string */
        char buf[STR_BUF_SIZ]; /* raw string */

-       int len;               /* raw string length */
+       int len;               /* raw string length */

        char *args[STR_ARG_SIZ];
        char *args[STR_ARG_SIZ];

-       int narg;             /* nb of args */
+       int narg;              /* nb of args */

 } STREscape;
 
 /* Internal representation of the screen */
 typedef struct {
 } 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 */
+       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 */
+       char trantbl[4]; /* charset table translation */
+       int charset;  /* current charset */
+       int icharset; /* selected charset for sequence */
+       bool numlock; /* lock numbers in keyboard */

        bool *tabs;
 } Term;
 
        bool *tabs;
 } Term;
 


@@ -218,7 +242,7 @@ typedef struct {
        Colourmap cmap;
        Window win;
        Drawable buf;
        Colourmap cmap;
        Window win;
        Drawable buf;

-       Atom xembed, wmdeletewin;
+       Atom xembed, wmdeletewin, netwmname, netwmpid;

        XIM xim;
        XIC xic;
        Draw draw;
        XIM xim;
        XIC xic;
        Draw draw;


@@ -235,19 +259,19 @@ typedef struct {
 } XWindow;
 
 typedef struct {
 } XWindow;
 
 typedef struct {

-       int b;
+       uint b;

        uint mask;
        uint mask;

-       char s[ESC_BUF_SIZ];
+       char *s;

 } Mousekey;
 
 typedef struct {
        KeySym k;
        uint mask;
 } Mousekey;
 
 typedef struct {
        KeySym k;
        uint mask;

-       char s[ESC_BUF_SIZ];
+       char *s;

        /* three valued logic variables: 0 indifferent, 1 on, -1 off */
        /* 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          */
+       signed char appkey;    /* application keypad */
+       signed char appcursor; /* application cursor */
+       signed char crlf;      /* crlf mode          */

 } Key;
 
 typedef struct {
 } Key;
 
 typedef struct {


@@ -291,6 +315,9 @@ static void clippaste(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
 static void xzoom(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
 static void xzoom(const Arg *);

+static void printsel(const Arg *);
+static void printscreen(const Arg *) ;
+static void toggleprinter(const Arg *);

 
 /* Config.h for applying patches and the configuration. */
 #include "config.h"
 
 /* Config.h for applying patches and the configuration. */
 #include "config.h"


@@ -333,6 +360,10 @@ static void strparse(void);
 static void strreset(void);
 
 static int tattrset(int);
 static void strreset(void);
 
 static int tattrset(int);

+static void tprinter(char *s, size_t len);
+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 tclearregion(int, int, int, int);
 static void tcursor(int);
 static void tdeletechar(int);


@@ -358,11 +389,14 @@ static void tsetdirtattr(int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);

-
+static int32_t tdefcolor(int *, int *, int);
+static void tselcs(void);
+static void tdeftran(char);

 static inline bool match(uint, uint);
 static void ttynew(void);
 static void ttyread(void);
 static void ttyresize(void);
 static inline bool match(uint, uint);
 static void ttynew(void);
 static void ttyread(void);
 static void ttyresize(void);

+static void ttysend(char *, size_t);

 static void ttywrite(const char *, size_t);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void ttywrite(const char *, size_t);
 
 static void xdraws(char *, Glyph, int, int, int, int);


@@ -373,7 +407,7 @@ static void xinit(void);
 static void xloadcols(void);
 static int xsetcolorname(int, const char *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadcols(void);
 static int xsetcolorname(int, const char *);
 static int xloadfont(Font *, FcPattern *);

-static void xloadfonts(char *, int);
+static void xloadfonts(char *, double);

 static int xloadfontset(Font *);
 static void xsettitle(char *);
 static void xresettitle(void);
 static int xloadfontset(Font *);
 static void xsettitle(char *);
 static void xresettitle(void);


@@ -404,19 +438,22 @@ static void selrequest(XEvent *);
 static void selinit(void);
 static void selsort(void);
 static inline bool selected(int, int);
 static void selinit(void);
 static void selsort(void);
 static inline bool selected(int, int);

+static char *getsel(void);

 static void selcopy(void);
 static void selscroll(int, int);
 static void selsnap(int, int *, int *, int);
 
 static void selcopy(void);
 static void selscroll(int, int);
 static void selsnap(int, int *, int *, int);
 

-static int utf8decode(char *, long *);
-static int utf8encode(long *, char *);
-static int utf8size(char *);
-static int isfullutf8(char *, int);
+static size_t utf8decode(char *, long *, size_t);
+static long utf8decodebyte(char, size_t *);
+static size_t utf8encode(long, char *, size_t);
+static char utf8encodebyte(long, size_t);
+static size_t utf8len(char *);
+static size_t utf8validate(long *, size_t);

 
 static ssize_t xwrite(int, char *, size_t);
 static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
 
 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 char *xstrdup(char *s);

 
 static void (*handler[LASTEvent])(XEvent *) = {
        [KeyPress] = kpress,
 
 static void (*handler[LASTEvent])(XEvent *) = {
        [KeyPress] = kpress,


@@ -444,7 +481,7 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;

-static int iofd = -1;
+static int iofd = STDOUT_FILENO;

 static char **opt_cmd = NULL;
 static char *opt_io = NULL;
 static char *opt_title = NULL;
 static char **opt_cmd = NULL;
 static char *opt_io = NULL;
 static char *opt_title = NULL;


@@ -454,7 +491,12 @@ static char *opt_font = NULL;
 static int oldbutton = 3; /* button event on startup: 3 = release */
 
 static char *usedfont = NULL;
 static int oldbutton = 3; /* button event on startup: 3 = release */
 
 static char *usedfont = NULL;

-static int usedfontsize = 0;
+static double usedfontsize = 0;
+
+static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
+static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+static long utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
+static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};

 
 /* Font Ring Cache */
 enum {
 
 /* Font Ring Cache */
 enum {


@@ -466,17 +508,12 @@ enum {
 
 typedef struct {
        XftFont *font;
 
 typedef struct {
        XftFont *font;

-       long c;

        int flags;
 } Fontcache;
 
        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;
+/* Fontcache is an array now. A new font will be appended to the array. */
+static Fontcache frc[16];
+static int frclen = 0;

 
 ssize_t
 xwrite(int fd, char *s, size_t len) {
 
 ssize_t
 xwrite(int fd, char *s, size_t len) {


@@ -510,138 +547,79 @@ xrealloc(void *p, size_t len) {
        return p;
 }
 
        return p;
 }
 

-void *
-xcalloc(size_t nmemb, size_t size) {
-       void *p = calloc(nmemb, size);
+char *
+xstrdup(char *s) {
+       char *p = strdup(s);

 
 

-       if(!p)
+       if (!p)

                die("Out of memory\n");
 
        return p;
 }
 
                die("Out of memory\n");
 
        return p;
 }
 

-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;
-
-       return rtn;
-}
+size_t
+utf8decode(char *c, long *u, size_t clen) {
+       size_t i, j, len, type;
+       long udecoded;

 
 

-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;
                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);
+       return len;
+}

 
 

-       for(i=n,++sp; i>0; --i,++sp)
-               *sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
-
-       return n+1;
-invalid:
-       /* U+FFFD */
-       *s++ = '\xEF';
-       *s++ = '\xBF';
-       *s = '\xBD';
-
-       return 3;
+long
+utf8decodebyte(char c, size_t *i) {
+       for(*i = 0; *i < LEN(utfmask); ++(*i))
+               if(((uchar)c & utfmask[*i]) == utfbyte[*i])
+                       return (uchar)c & ~utfmask[*i];
+       return 0;

 }
 
 }
 

-/* 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(long u, char *c, size_t clen) {
+       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) {
+       len = utf8validate(&u, 0);
+       if(clen < len)

                return 0;
                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))) {
-               return 0;
-       } else {
-               return 1;
+       for(i = len - 1; i != 0; --i) {
+               c[i] = utf8encodebyte(u, 0);
+               u >>= 6;

        }
        }

+       c[0] = utf8encodebyte(u, len);
+       return len;

 }
 
 }
 

-int
-utf8size(char *s) {
-       uchar c = *s;
+char
+utf8encodebyte(long u, size_t i) {
+       return utfbyte[i] | (u & ~utfmask[i]);
+}

 
 

-       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;
-       }
+size_t
+utf8len(char *c) {
+       return utf8decode(c, &(long){0}, UTF_SIZ);
+}
+
+size_t
+utf8validate(long *u, size_t i) {
+       if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
+               *u = UTF_INVALID;
+       for(i = 1; *u > utfmax[i]; ++i)
+               ;
+       return i;

 }
 
 static void
 }
 
 static void


@@ -731,8 +709,13 @@ selsnap(int mode, int *x, int *y, int direction) {
                                }
                        }
 
                                }
                        }
 

+                       if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
+                               *x += direction;
+                               continue;
+                       }
+

                        if(strchr(worddelimiters,
                        if(strchr(worddelimiters,

-                                       term.line[*y][*x + direction].c[0])) {
+                                       term.line[*y][*x+direction].c[0])) {

                                break;
                        }
 
                                break;
                        }
 


@@ -827,18 +810,23 @@ mousereport(XEvent *e) {
                button = oldbutton + 32;
                ox = x;
                oy = y;
                button = oldbutton + 32;
                ox = x;
                oy = y;

-       } else if(!IS_SET(MODE_MOUSESGR)
-                       && (e->xbutton.type == ButtonRelease
-                               || button == AnyButton)) {
-               button = 3;

        } else {
        } else {

-               button -= Button1;
-               if(button >= 3)
-                       button += 64 - 3;
+               if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
+                       button = 3;
+               } else {
+                       button -= Button1;
+                       if(button >= 3)
+                               button += 64 - 3;
+               }

                if(e->xbutton.type == ButtonPress) {
                        oldbutton = button;
                        ox = x;
                        oy = y;
                if(e->xbutton.type == ButtonPress) {
                        oldbutton = button;
                        ox = x;
                        oy = y;

+               } else if(e->xbutton.type == ButtonRelease) {
+                       oldbutton = 3;
+                       /* MODE_MOUSEX10: no button release reporting */
+                       if(IS_SET(MODE_MOUSEX10))
+                               return;

                }
        }
 
                }
        }
 


@@ -855,8 +843,7 @@ mousereport(XEvent *e) {
                                e->xbutton.type == ButtonRelease ? 'm' : 'M');
        } else if(x < 223 && y < 223) {
                len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
                                e->xbutton.type == ButtonRelease ? 'm' : 'M');
        } else if(x < 223 && y < 223) {
                len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",

-                               IS_SET(MODE_MOUSEX10)? button-1 : 32+button,
-                               32+x+1, 32+y+1);
+                               32+button, 32+x+1, 32+y+1);

        } else {
                return;
        }
        } else {
                return;
        }


@@ -877,9 +864,7 @@ bpress(XEvent *e) {
        for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
                if(e->xbutton.button == mk->b
                                && match(mk->mask, e->xbutton.state)) {
        for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
                if(e->xbutton.button == mk->b
                                && match(mk->mask, e->xbutton.state)) {

-                       ttywrite(mk->s, strlen(mk->s));
-                       if(IS_SET(MODE_ECHO))
-                               techo(mk->s, strlen(mk->s));
+                       ttysend(mk->s, strlen(mk->s));

                        return;
                }
        }
                        return;
                }
        }


@@ -922,8 +907,8 @@ bpress(XEvent *e) {
        }
 }
 
        }
 }
 

-void
-selcopy(void) {
+char *
+getsel(void) {

        char *str, *ptr;
        int x, y, bufsize, size, i, ex;
        Glyph *gp, *last;
        char *str, *ptr;
        int x, y, bufsize, size, i, ex;
        Glyph *gp, *last;


@@ -937,17 +922,18 @@ selcopy(void) {
                /* append every set & selected glyph to the selection */
                for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
                        gp = &term.line[y][0];
                /* append every set & selected glyph to the selection */
                for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
                        gp = &term.line[y][0];

-                       last = gp + term.col;
+                       last = &gp[term.col-1];

 
 

-                       while(--last >= gp && !(selected(last - gp, y) && \
-                                               strcmp(last->c, " ") != 0))
-                               /* nothing */;
+                       while(last >= gp && !(selected(last - gp, y) &&
+                                             strcmp(last->c, " ") != 0)) {
+                               --last;
+                       }

 
                        for(x = 0; gp <= last; x++, ++gp) {
 
                        for(x = 0; gp <= last; x++, ++gp) {

-                               if(!selected(x, y))
+                               if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))

                                        continue;
 
                                        continue;
 

-                               size = utf8size(gp->c);
+                               size = utf8len(gp->c);

                                memcpy(ptr, gp->c, size);
                                ptr += size;
                        }
                                memcpy(ptr, gp->c, size);
                                ptr += size;
                        }


@@ -961,7 +947,7 @@ selcopy(void) {
                         * st.
                         * FIXME: Fix the computer world.
                         */
                         * st.
                         * FIXME: Fix the computer world.
                         */

-                       if(y < sel.ne.y && !((gp-1)->mode & ATTR_WRAP))
+                       if(y < sel.ne.y && x > 0 && !((gp-1)->mode & ATTR_WRAP))

                                *ptr++ = '\n';
 
                        /*
                                *ptr++ = '\n';
 
                        /*


@@ -981,7 +967,12 @@ selcopy(void) {
                }
                *ptr = 0;
        }
                }
                *ptr = 0;
        }

-       xsetsel(str);
+       return str;
+}
+
+void
+selcopy(void) {
+       xsetsel(getsel());

 }
 
 void
 }
 
 void


@@ -1013,7 +1004,11 @@ selnotify(XEvent *e) {
                        *repl++ = '\r';
                }
 
                        *repl++ = '\r';
                }
 

-               ttywrite((const char *)data, nitems * format / 8);
+               if(IS_SET(MODE_BRCKTPASTE))
+                       ttywrite("\033[200~", 6);
+               ttysend((char *)data, nitems * format / 8);
+               if(IS_SET(MODE_BRCKTPASTE))
+                       ttywrite("\033[201~", 6);

                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;
                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;


@@ -1186,7 +1181,7 @@ sigchld(int a) {
        int stat = 0;
 
        if(waitpid(pid, &stat, 0) < 0)
        int stat = 0;
 
        if(waitpid(pid, &stat, 0) < 0)

-               die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
+               die("Waiting for pid %hd failed: %s\n", pid, SERRNO);

 
        if(WIFEXITED(stat)) {
                exit(WEXITSTATUS(stat));
 
        if(WIFEXITED(stat)) {
                exit(WEXITSTATUS(stat));


@@ -1224,6 +1219,7 @@ ttynew(void) {
                cmdfd = m;
                signal(SIGCHLD, sigchld);
                if(opt_io) {
                cmdfd = m;
                signal(SIGCHLD, sigchld);
                if(opt_io) {

+                       term.mode |= MODE_PRINT;

                        iofd = (!strcmp(opt_io, "-")) ?
                                  STDOUT_FILENO :
                                  open(opt_io, O_WRONLY | O_CREAT, 0666);
                        iofd = (!strcmp(opt_io, "-")) ?
                                  STDOUT_FILENO :
                                  open(opt_io, O_WRONLY | O_CREAT, 0666);


@@ -1251,7 +1247,7 @@ ttyread(void) {
        char *ptr;
        char s[UTF_SIZ];
        int charsize; /* size of utf8 char in bytes */
        char *ptr;
        char s[UTF_SIZ];
        int charsize; /* size of utf8 char in bytes */

-       long utf8c;
+       long unicodep;

        int ret;
 
        /* append read bytes to unprocessed bytes */
        int ret;
 
        /* append read bytes to unprocessed bytes */


@@ -1261,9 +1257,8 @@ ttyread(void) {
        /* process every complete utf8 char */
        buflen += ret;
        ptr = buf;
        /* process every complete utf8 char */
        buflen += ret;
        ptr = buf;

-       while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
-               charsize = utf8decode(ptr, &utf8c);
-               utf8encode(&utf8c, s);
+       while(charsize = utf8decode(ptr, &unicodep, buflen)) {
+               utf8encode(unicodep, s, UTF_SIZ);

                tputc(s, charsize);
                ptr += charsize;
                buflen -= charsize;
                tputc(s, charsize);
                ptr += charsize;
                buflen -= charsize;


@@ -1279,6 +1274,13 @@ ttywrite(const char *s, size_t n) {
                die("write error on tty: %s\n", SERRNO);
 }
 
                die("write error on tty: %s\n", SERRNO);
 }
 

+void
+ttysend(char *s, size_t n) {
+       ttywrite(s, n);
+       if(IS_SET(MODE_ECHO))
+               techo(s, n);
+}
+

 void
 ttyresize(void) {
        struct winsize w;
 void
 ttyresize(void) {
        struct winsize w;


@@ -1337,13 +1339,14 @@ tfulldirt(void) {
 
 void
 tcursor(int mode) {
 
 void
 tcursor(int mode) {

-       static TCursor c;
+       static TCursor c[2];
+       bool alt = IS_SET(MODE_ALTSCREEN);

 
        if(mode == CURSOR_SAVE) {
 
        if(mode == CURSOR_SAVE) {

-               c = term.c;
+               c[alt] = term.c;

        } else if(mode == CURSOR_LOAD) {
        } else if(mode == CURSOR_LOAD) {

-               term.c = c;
-               tmoveto(c.x, c.y);
+               term.c = c[alt];
+               tmoveto(c[alt].x, c[alt].y);

        }
 }
 
        }
 }
 


@@ -1363,6 +1366,8 @@ treset(void) {
        term.top = 0;
        term.bot = term.row - 1;
        term.mode = MODE_WRAP;
        term.top = 0;
        term.bot = term.row - 1;
        term.mode = MODE_WRAP;

+       memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+       term.charset = 0;

 
        tclearregion(0, 0, term.col-1, term.row-1);
        tmoveto(0, 0);
 
        tclearregion(0, 0, term.col-1, term.row-1);
        tmoveto(0, 0);


@@ -1371,7 +1376,7 @@ treset(void) {
 
 void
 tnew(int col, int row) {
 
 void
 tnew(int col, int row) {

-       memset(&term, 0, sizeof(Term));
+       term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };

        tresize(col, row);
        term.numlock = 1;
 
        tresize(col, row);
        term.numlock = 1;
 


@@ -1545,6 +1550,16 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
                }
        }
 
                }
        }
 

+       if(term.line[y][x].mode & ATTR_WIDE) {
+               if(x+1 < term.col) {
+                       term.line[y][x+1].c[0] = ' ';
+                       term.line[y][x+1].mode &= ~ATTR_WDUMMY;
+               }
+       } else if(term.line[y][x].mode & ATTR_WDUMMY) {
+               term.line[y][x-1].c[0] = ' ';
+               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.dirty[y] = 1;
        term.line[y][x] = *attr;
        memcpy(term.line[y][x].c, c, UTF_SIZ);


@@ -1627,9 +1642,58 @@ tdeleteline(int n) {
        tscrollup(term.c.y, n);
 }
 
        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 colour 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 (%d,%d,%d)\n",
+                               r, g, b);
+               else
+                       idx = TRUECOLOR(r, g, b);
+               break;
+       case 5: /* indexed colour */
+               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 colour in CMY space */
+       case 4: /* direct colour in CMYK space */
+       default:
+               fprintf(stderr,
+                       "erresc(38): gfx attr %d unknown\n", attr[*npar]);
+       }
+
+       return idx;
+}
+

 void
 tsetattr(int *attr, int l) {
        int i;
 void
 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]) {


@@ -1674,39 +1738,15 @@ tsetattr(int *attr, int l) {
                        term.c.attr.mode &= ~ATTR_REVERSE;
                        break;
                case 38:
                        term.c.attr.mode &= ~ATTR_REVERSE;
                        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:
                        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;
                case 49:
                        term.c.attr.bg = defaultbg;


@@ -1814,18 +1854,18 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                        case 1034:
                                MODBIT(term.mode, set, MODE_8BIT);
                                break;
                        case 1034:
                                MODBIT(term.mode, set, MODE_8BIT);
                                break;

-                       case 1049: /* = 1047 and 1048 */
-                       case 47:
+                       case 1049: /* swap screen & set/restore cursor as xterm */
+                               tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+                       case 47: /* swap screen */

                        case 1047:
                                if (!allowaltscreen)
                                        break;
                        case 1047:
                                if (!allowaltscreen)
                                        break;

-

                                alt = IS_SET(MODE_ALTSCREEN);
                                if(alt) {
                                        tclearregion(0, 0, term.col-1,
                                                        term.row-1);
                                }
                                alt = IS_SET(MODE_ALTSCREEN);
                                if(alt) {
                                        tclearregion(0, 0, term.col-1,
                                                        term.row-1);
                                }

-                               if(set ^ alt)           /* set is always 1 or 0 */
+                               if(set ^ alt) /* set is always 1 or 0 */

                                        tswapscreen();
                                if(*args != 1049)
                                        break;
                                        tswapscreen();
                                if(*args != 1049)
                                        break;


@@ -1833,6 +1873,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;

+                       case 2004: /* 2004: bracketed paste mode */
+                               MODBIT(term.mode, set, MODE_BRCKTPASTE);
+                               break;

                        /* Not implemented mouse modes. See comments there. */
                        case 1001: /* mouse highlight mode; can hang the
                                      terminal by design when implemented. */
                        /* Not implemented mouse modes. See comments there. */
                        case 1001: /* mouse highlight mode; can hang the
                                      terminal by design when implemented. */


@@ -1876,6 +1919,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 
 void
 csihandle(void) {
 
 void
 csihandle(void) {

+       char buf[40];
+       int len;
+

        switch(csiescseq.mode) {
        default:
        unknown:
        switch(csiescseq.mode) {
        default:
        unknown:


@@ -1896,6 +1942,25 @@ csihandle(void) {
                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
                break;
                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);
        case 'c': /* DA -- Device Attributes */
                if(csiescseq.arg[0] == 0)
                        ttywrite(VT102ID, sizeof(VT102ID) - 1);


@@ -2024,6 +2089,13 @@ csihandle(void) {
        case 'm': /* SGR -- Terminal attribute (color) */
                tsetattr(csiescseq.arg, csiescseq.narg);
                break;
        case 'm': /* SGR -- Terminal attribute (color) */
                tsetattr(csiescseq.arg, csiescseq.narg);
                break;

+       case 'n': /* DSR – Device Status Report (cursor position) */
+               if (csiescseq.arg[0] == 6) {
+                       len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
+                                       term.c.y+1, term.c.x+1);
+                       ttywrite(buf, len);
+                       break;
+               }

        case 'r': /* DECSTBM -- Set Scrolling Region */
                if(csiescseq.priv) {
                        goto unknown;
        case 'r': /* DECSTBM -- Set Scrolling Region */
                if(csiescseq.priv) {
                        goto unknown;


@@ -2074,20 +2146,21 @@ csireset(void) {
 void
 strhandle(void) {
        char *p = NULL;
 void
 strhandle(void) {
        char *p = NULL;

-       int i, j, narg;
+       int j, narg, par;

 
        strparse();
        narg = strescseq.narg;
 
        strparse();
        narg = strescseq.narg;

+       par = atoi(strescseq.args[0]);

 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
 
        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)
                                xsettitle(strescseq.args[1]);
                case 0:
                case 1:
                case 2:
                        if(narg > 1)
                                xsettitle(strescseq.args[1]);

-                       break;
+                       return;

                case 4: /* color set */
                        if(narg < 3)
                                break;
                case 4: /* color set */
                        if(narg < 3)
                                break;


@@ -2104,25 +2177,20 @@ strhandle(void) {
                                 */
                                redraw(0);
                        }
                                 */
                                redraw(0);
                        }

-                       break;
-               default:
-                       fprintf(stderr, "erresc: unknown str ");
-                       strdump();
-                       break;
+                       return;

                }
                break;
        case 'k': /* old title set compatibility */
                xsettitle(strescseq.args[0]);
                }
                break;
        case 'k': /* old title set compatibility */
                xsettitle(strescseq.args[0]);

-               break;
+               return;

        case 'P': /* DSC -- Device Control String */
        case '_': /* APC -- Application Program Command */
        case '^': /* PM -- Privacy Message */
        case 'P': /* DSC -- Device Control String */
        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
 }
 
 void


@@ -2165,6 +2233,65 @@ strreset(void) {
        memset(&strescseq, 0, sizeof(strescseq));
 }
 
        memset(&strescseq, 0, sizeof(strescseq));
 }
 

+void
+tprinter(char *s, size_t len) {
+       if(iofd != -1 && xwrite(iofd, s, len) < 0) {
+               fprintf(stderr, "Error writing in %s:%s\n",
+                       opt_io, strerror(errno));
+               close(iofd);
+               iofd = -1;
+       }
+}
+
+void
+toggleprinter(const Arg *arg) {
+       term.mode ^= MODE_PRINT;
+}
+
+void
+printscreen(const Arg *arg) {
+       tdump();
+}
+
+void
+printsel(const Arg *arg) {
+       tdumpsel();
+}
+
+void
+tdumpsel(void)
+{
+       char *ptr;
+
+       if((ptr = getsel())) {
+               tprinter(ptr, strlen(ptr));
+               free(ptr);
+       }
+}
+
+void
+tdumpline(int n) {
+       Glyph *bp, *end;
+
+       bp = &term.line[n][0];
+       end = &bp[term.col-1];
+       while(end > bp && !strcmp(" ", end->c))
+               --end;
+       if(bp != end || strcmp(bp->c, " ")) {
+               for( ;bp <= end; ++bp)
+                       tprinter(bp->c, strlen(bp->c));
+       }
+       tprinter("\n", 1);
+}
+
+void
+tdump(void) {
+       int i;
+
+       for(i = 0; i < term.row; ++i)
+               tdumpline(i);
+}
+

 void
 tputtab(bool forward) {
        uint x = term.c.x;
 void
 tputtab(bool forward) {
        uint x = term.c.x;


@@ -2188,10 +2315,10 @@ techo(char *buf, int len) {
        for(; len > 0; buf++, len--) {
                char c = *buf;
 
        for(; len > 0; buf++, len--) {
                char c = *buf;
 

-               if(c == '\033') {               /* escape */
+               if(c == '\033') { /* escape */

                        tputc("^", 1);
                        tputc("[", 1);
                        tputc("^", 1);
                        tputc("[", 1);

-               } else if(c < '\x20') { /* control code */
+               } else if(c < '\x20') { /* control code */

                        if(c != '\n' && c != '\r' && c != '\t') {
                                c |= '\x40';
                                tputc("^", 1);
                        if(c != '\n' && c != '\r' && c != '\t') {
                                c |= '\x40';
                                tputc("^", 1);


@@ -2205,20 +2332,50 @@ techo(char *buf, int len) {
                tputc(buf, len);
 }
 
                tputc(buf, len);
 }
 

+void
+tdeftran(char ascii) {
+       char c, (*bp)[2];
+       static char tbl[][2] = {
+               {'0', CS_GRAPHIC0}, {'1', CS_GRAPHIC1}, {'A', CS_UK},
+               {'B', CS_USA},      {'<', CS_MULTI},    {'K', CS_GER},
+               {'5', CS_FIN},      {'C', CS_FIN},
+               {0, 0}
+       };
+
+       for (bp = &tbl[0]; (c = (*bp)[0]) && c != ascii; ++bp)
+               /* nothing */;
+
+       if (c == 0)
+               fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
+       else
+               term.trantbl[term.icharset] = (*bp)[1];
+}
+
+void
+tselcs(void) {
+       if (term.trantbl[term.charset] == CS_GRAPHIC0)
+               term.c.attr.mode |= ATTR_GFX;
+       else
+               term.c.attr.mode &= ~ATTR_GFX;
+}
+

 void
 tputc(char *c, int len) {
        uchar ascii = *c;
        bool control = ascii < '\x20' || ascii == 0177;
 void
 tputc(char *c, int len) {
        uchar ascii = *c;
        bool control = ascii < '\x20' || ascii == 0177;

+       long unicodep;
+       int width;

 
 

-       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;
-               }
+       if(len == 1) {
+               width = 1;
+       } else {
+               utf8decode(c, &unicodep, UTF_SIZ);
+               width = wcwidth(unicodep);

        }
 
        }
 

+       if(IS_SET(MODE_PRINT))
+               tprinter(c, len);
+

        /*
         * STR sequences must be checked before anything else
         * because it can use some control codes as part of the sequence.
        /*
         * STR sequences must be checked before anything else
         * because it can use some control codes as part of the sequence.


@@ -2262,47 +2419,48 @@ tputc(char *c, int len) {
         */
        if(control) {
                switch(ascii) {
         */
        if(control) {
                switch(ascii) {

-               case '\t':      /* HT */
+               case '\t':   /* HT */

                        tputtab(1);
                        return;
                        tputtab(1);
                        return;

-               case '\b':      /* BS */
+               case '\b':   /* BS */

                        tmoveto(term.c.x-1, term.c.y);
                        return;
                        tmoveto(term.c.x-1, term.c.y);
                        return;

-               case '\r':      /* CR */
+               case '\r':   /* CR */

                        tmoveto(0, term.c.y);
                        return;
                        tmoveto(0, term.c.y);
                        return;

-               case '\f':      /* LF */
-               case '\v':      /* VT */
-               case '\n':      /* LF */
+               case '\f':   /* LF */
+               case '\v':   /* VT */
+               case '\n':   /* LF */

                        /* go to first col if the mode is set */
                        tnewline(IS_SET(MODE_CRLF));
                        return;
                        /* go to first col if the mode is set */
                        tnewline(IS_SET(MODE_CRLF));
                        return;

-               case '\a':      /* BEL */
+               case '\a':   /* BEL */

                        if(!(xw.state & WIN_FOCUSED))
                                xseturgency(1);
                        if(!(xw.state & WIN_FOCUSED))
                                xseturgency(1);

+                       if (bellvolume)
+                               XBell(xw.dpy, bellvolume);

                        return;
                        return;

-               case '\033':    /* ESC */
+               case '\033': /* ESC */

                        csireset();
                        term.esc = ESC_START;
                        return;
                        csireset();
                        term.esc = ESC_START;
                        return;

-               case '\016':    /* SO */
-               case '\017':    /* SI */
-                       /*
-                        * 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.
-                        */
+               case '\016': /* SO */
+                       term.charset = 0;
+                       tselcs();

                        return;
                        return;

-               case '\032':    /* SUB */
-               case '\030':    /* CAN */
+               case '\017': /* SI */
+                       term.charset = 1;
+                       tselcs();
+                       return;
+               case '\032': /* SUB */
+               case '\030': /* CAN */

                        csireset();
                        return;
                        csireset();
                        return;

-               case '\005':    /* ENQ (IGNORED) */
-               case '\000':    /* NUL (IGNORED) */
-               case '\021':    /* XON (IGNORED) */
-               case '\023':    /* XOFF (IGNORED) */
-               case 0177:      /* DEL (IGNORED) */
+               case '\005': /* ENQ (IGNORED) */
+               case '\000': /* NUL (IGNORED) */
+               case '\021': /* XON (IGNORED) */
+               case '\023': /* XOFF (IGNORED) */
+               case 0177:   /* DEL (IGNORED) */

                        return;
                }
        } else if(term.esc & ESC_START) {
                        return;
                }
        } else if(term.esc & ESC_START) {


@@ -2320,22 +2478,8 @@ tputc(char *c, int len) {
                        if(ascii == '\\')
                                strhandle();
                } else if(term.esc & ESC_ALTCHARSET) {
                        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);
-                       }
+                       tdeftran(ascii);
+                       tselcs();

                        term.esc = 0;
                } else if(term.esc & ESC_TEST) {
                        if(ascii == '8') { /* DEC screen alignment test. */
                        term.esc = 0;
                } else if(term.esc & ESC_TEST) {
                        if(ascii == '8') { /* DEC screen alignment test. */


@@ -2366,13 +2510,12 @@ tputc(char *c, int len) {
                                term.esc |= ESC_STR;
                                break;
                        case '(': /* set primary charset G0 */
                                term.esc |= ESC_STR;
                                break;
                        case '(': /* set primary charset G0 */

+                       case ')': /* set secondary charset G1 */
+                       case '*': /* set tertiary charset G2 */
+                       case '+': /* set quaternary charset G3 */
+                               term.icharset = ascii - '(';

                                term.esc |= ESC_ALTCHARSET;
                                break;
                                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);
                        case 'D': /* IND -- Linefeed */
                                if(term.c.y == term.bot) {
                                        tscrollup(term.top, 1);


@@ -2405,6 +2548,7 @@ tputc(char *c, int len) {
                                treset();
                                term.esc = 0;
                                xresettitle();
                                treset();
                                term.esc = 0;
                                xresettitle();

+                               xloadcols();

                                break;
                        case '=': /* DECPAM -- Application keypad */
                                term.mode |= MODE_APPKEYPAD;
                                break;
                        case '=': /* DECPAM -- Application keypad */
                                term.mode |= MODE_APPKEYPAD;


@@ -2455,9 +2599,20 @@ tputc(char *c, int len) {
                        (term.col - term.c.x - 1) * sizeof(Glyph));
        }
 
                        (term.col - term.c.x - 1) * sizeof(Glyph));
        }
 

+       if(term.c.x+width > term.col)
+               tnewline(1);
+

        tsetchar(c, &term.c.attr, term.c.x, term.c.y);
        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);
+
+       if(width == 2) {
+               term.line[term.c.y][term.c.x].mode |= ATTR_WIDE;
+               if(term.c.x+1 < term.col) {
+                       term.line[term.c.y][term.c.x+1].c[0] = '\0';
+                       term.line[term.c.y][term.c.x+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;
        }
        } else {
                term.c.state |= CURSOR_WRAPNEXT;
        }


@@ -2511,8 +2666,8 @@ tresize(int col, int row) {
        /* allocate any new rows */
        for(/* i == minrow */; i < row; i++) {
                term.dirty[i] = 1;
        /* 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));
+               term.line[i] = xmalloc(col * sizeof(Glyph));
+               term.alt[i] = xmalloc(col * sizeof(Glyph));

        }
        if(col > term.col) {
                bp = term.tabs + term.col;
        }
        if(col > term.col) {
                bp = term.tabs + term.col;


@@ -2566,6 +2721,13 @@ void
 xloadcols(void) {
        int i, r, g, b;
        XRenderColor color = { .alpha = 0xffff };
 xloadcols(void) {
        int i, r, g, b;
        XRenderColor color = { .alpha = 0xffff };

+       static bool loaded;
+       Colour *cp;
+
+       if(loaded) {
+               for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
+                       XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+       }

 
        /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
        for(i = 0; i < LEN(colorname); i++) {
 
        /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
        for(i = 0; i < LEN(colorname); i++) {


@@ -2598,6 +2760,7 @@ xloadcols(void) {
                        die("Could not allocate color %d\n", i);
                }
        }
                        die("Could not allocate color %d\n", i);
                }
        }

+       loaded = true;

 }
 
 int
 }
 
 int


@@ -2673,7 +2836,8 @@ xhints(void) {
                sizeh->min_height = sizeh->max_height = xw.fh;
        }
 
                sizeh->min_height = sizeh->max_height = xw.fh;
        }
 

-       XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+       XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+                       &class);

        XFree(sizeh);
 }
 
        XFree(sizeh);
 }
 


@@ -2706,9 +2870,9 @@ xloadfont(Font *f, FcPattern *pattern) {
 }
 
 void
 }
 
 void

-xloadfonts(char *fontstr, int fontsize) {
+xloadfonts(char *fontstr, double fontsize) {

        FcPattern *pattern;
        FcPattern *pattern;

-       FcResult result;
+       FcResult r_sz, r_psz;

        double fontval;
 
        if(fontstr[0] == '-') {
        double fontval;
 
        if(fontstr[0] == '-') {


@@ -2722,12 +2886,16 @@ xloadfonts(char *fontstr, int fontsize) {
 
        if(fontsize > 0) {
                FcPatternDel(pattern, FC_PIXEL_SIZE);
 
        if(fontsize > 0) {
                FcPatternDel(pattern, FC_PIXEL_SIZE);

+               FcPatternDel(pattern, FC_SIZE);

                FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
                usedfontsize = fontsize;
        } else {
                FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
                usedfontsize = fontsize;
        } else {

-               result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
-               if(result == FcResultMatch) {
-                       usedfontsize = (int)fontval;
+               r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+               r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
+               if(r_psz == FcResultMatch) {
+                       usedfontsize = fontval;
+               } else if(r_sz == FcResultMatch) {
+                       usedfontsize = -1;

                } else {
                        /*
                         * Default font size is 12, if none given. This is to
                } else {
                        /*
                         * Default font size is 12, if none given. This is to


@@ -2744,9 +2912,15 @@ xloadfonts(char *fontstr, int fontsize) {
        if(xloadfont(&dc.font, pattern))
                die("st: can't open font %s\n", fontstr);
 
        if(xloadfont(&dc.font, pattern))
                die("st: can't open font %s\n", fontstr);
 

+       if(usedfontsize < 0) {
+               FcPatternGetDouble(dc.font.match->pattern,
+                                  FC_PIXEL_SIZE, 0, &fontval);
+               usedfontsize = fontval;
+       }
+

        /* Setting character width and height. */
        /* Setting character width and height. */

-       xw.cw = dc.font.width;
-       xw.ch = dc.font.height;
+       xw.cw = CEIL(dc.font.width * cwscale);
+       xw.ch = CEIL(dc.font.height * chscale);

 
        FcPatternDel(pattern, FC_SLANT);
        FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
 
        FcPatternDel(pattern, FC_SLANT);
        FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);


@@ -2785,18 +2959,12 @@ xunloadfont(Font *f) {
 
 void
 xunloadfonts(void) {
 
 void
 xunloadfonts(void) {

-       int i, ip;
+       int i;

 
 

-       /*
-        * 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);
+       /* Free the loaded fonts in the font cache.  */
+       for(i = 0; i < frclen; i++) {
+               XftFontClose(xw.dpy, frc[i].font);

        }
        }

-       frccur = -1;

        frclen = 0;
 
        xunloadfont(&dc.font);
        frclen = 0;
 
        xunloadfont(&dc.font);


@@ -2819,6 +2987,7 @@ xinit(void) {
        Cursor cursor;
        Window parent;
        int sw, sh;
        Cursor cursor;
        Window parent;
        int sw, sh;

+       pid_t thispid = getpid();

 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");
 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");


@@ -2910,8 +3079,13 @@ xinit(void) {
 
        xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
        xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
 
        xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
        xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);

+       xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);

        XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
        XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 

+       xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+       XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)&thispid, 1);
+

        xresettitle();
        XMapWindow(xw.dpy, xw.win);
        xhints();
        xresettitle();
        XMapWindow(xw.dpy, xw.win);
        xhints();


@@ -2922,18 +3096,19 @@ 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;
 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 frcflags;

        int u8fl, u8fblen, u8cblen, doesexist;
        char *u8c, *u8fs;
        int u8fl, u8fblen, u8cblen, doesexist;
        char *u8c, *u8fs;

-       long u8char;
+       long unicodep;

        Font *font = &dc.font;
        FcResult fcres;
        FcPattern *fcpattern, *fontpattern;
        FcFontSet *fcsets[] = { NULL };
        FcCharSet *fccharset;
        Font *font = &dc.font;
        FcResult fcres;
        FcPattern *fcpattern, *fontpattern;
        FcFontSet *fcsets[] = { NULL };
        FcCharSet *fccharset;

-       Colour *fg, *bg, *temp, revfg, revbg;
+       Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;

        XRenderColor colfg, colbg;
        Rectangle r;
        XRenderColor colfg, colbg;
        Rectangle r;

+       int oneatatime;

 
        frcflags = FRC_NORMAL;
 
 
        frcflags = FRC_NORMAL;
 


@@ -2951,8 +3126,28 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                if(base.fg == defaultfg)
                        base.fg = defaultunderline;
        }
                if(base.fg == defaultfg)
                        base.fg = defaultunderline;
        }

-       fg = &dc.col[base.fg];
-       bg = &dc.col[base.bg];
+
+       if(IS_TRUECOL(base.fg)) {
+               colfg.alpha = 0xffff;
+               colfg.red = TRUERED(base.fg);
+               colfg.green = TRUEGREEN(base.fg);
+               colfg.blue = TRUEBLUE(base.fg);
+               XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+               fg = &truefg;
+       } else {
+               fg = &dc.col[base.fg];
+       }
+
+       if(IS_TRUECOL(base.bg)) {
+               colbg.alpha = 0xffff;
+               colbg.green = TRUEGREEN(base.bg);
+               colbg.red = TRUERED(base.bg);
+               colbg.blue = TRUEBLUE(base.bg);
+               XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+               bg = &truebg;
+       } else {
+               bg = &dc.col[base.bg];
+       }

 
        if(base.mode & ATTR_BOLD) {
                if(BETWEEN(base.fg, 0, 7)) {
 
        if(base.mode & ATTR_BOLD) {
                if(BETWEEN(base.fg, 0, 7)) {


@@ -2967,9 +3162,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                }
                /*
                 * Those ranges will not be brightened:
                }
                /*
                 * Those ranges will not be brightened:

-                *      8 - 15 – bright system colors
-                *      196 - 231 – highest 256 color cube
-                *      252 - 255 – brightest colors in greyscale
+                *    8 - 15 – bright system colors
+                *    196 - 231 – highest 256 color cube
+                *    252 - 255 – brightest colors in greyscale

                 */
                font = &dc.bfont;
                frcflags = FRC_BOLD;
                 */
                font = &dc.bfont;
                frcflags = FRC_BOLD;


@@ -2983,7 +3178,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                        colfg.green = ~fg->color.green;
                        colfg.blue = ~fg->color.blue;
                        colfg.alpha = fg->color.alpha;
                        colfg.green = ~fg->color.green;
                        colfg.blue = ~fg->color.blue;
                        colfg.alpha = fg->color.alpha;

-                       XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+                       XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+                                       &revfg);

                        fg = &revfg;
                }
 
                        fg = &revfg;
                }
 


@@ -2994,7 +3190,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                        colbg.green = ~bg->color.green;
                        colbg.blue = ~bg->color.blue;
                        colbg.alpha = bg->color.alpha;
                        colbg.green = ~bg->color.green;
                        colbg.blue = ~bg->color.blue;
                        colbg.alpha = bg->color.alpha;

-                       XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+                       XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+                                       &revbg);

                        bg = &revbg;
                }
        }
                        bg = &revbg;
                }
        }


@@ -3042,15 +3239,16 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                u8fs = s;
                u8fblen = 0;
                u8fl = 0;
                u8fs = s;
                u8fblen = 0;
                u8fl = 0;

+               oneatatime = font->width != xw.cw;

                for(;;) {
                        u8c = s;
                for(;;) {
                        u8c = s;

-                       u8cblen = utf8decode(s, &u8char);
+                       u8cblen = utf8decode(s, &unicodep, UTF_SIZ);

                        s += u8cblen;
                        bytelen -= u8cblen;
 
                        s += u8cblen;
                        bytelen -= u8cblen;
 

-                       doesexist = XftCharIndex(xw.dpy, font->match, u8char);
-                       if(!doesexist || bytelen <= 0) {
-                               if(bytelen <= 0) {
+                       doesexist = XftCharExists(xw.dpy, font->match, unicodep);
+                       if(oneatatime || !doesexist || bytelen <= 0) {
+                               if(oneatatime || bytelen <= 0) {

                                        if(doesexist) {
                                                u8fl++;
                                                u8fblen += u8cblen;
                                        if(doesexist) {
                                                u8fl++;
                                                u8fblen += u8cblen;


@@ -3063,7 +3261,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                                                        winy + font->ascent,
                                                        (FcChar8 *)u8fs,
                                                        u8fblen);
                                                        winy + font->ascent,
                                                        (FcChar8 *)u8fs,
                                                        u8fblen);

-                                       xp += font->width * u8fl;
+                                       xp += xw.cw * u8fl;

 
                                }
                                break;
 
                                }
                                break;


@@ -3072,17 +3270,16 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                        u8fl++;
                        u8fblen += u8cblen;
                }
                        u8fl++;
                        u8fblen += u8cblen;
                }

-               if(doesexist)
+               if(doesexist) {
+                       if(oneatatime)
+                               continue;

                        break;
                        break;

+               }

 
 

-               frp = frccur;

                /* Search the font cache. */
                /* 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) {
+               for(i = 0; i < frclen; i++) {
+                       if(XftCharExists(xw.dpy, frc[i].font, unicodep)
+                                       && frc[i].flags == frcflags) {

                                break;
                        }
                }
                                break;
                        }
                }


@@ -3097,11 +3294,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                         * Nothing was found in the cache. Now use
                         * some dozen of Fontconfig calls to get the
                         * font for one single character.
                         * Nothing was found in the cache. Now use
                         * some dozen of Fontconfig calls to get the
                         * font for one single character.

+                        *
+                        * Xft and fontconfig are design failures.

                         */
                        fcpattern = FcPatternDuplicate(font->pattern);
                        fccharset = FcCharSetCreate();
 
                         */
                        fcpattern = FcPatternDuplicate(font->pattern);
                        fccharset = FcCharSetCreate();
 

-                       FcCharSetAddChar(fccharset, u8char);
+                       FcCharSetAddChar(fccharset, unicodep);

                        FcPatternAddCharSet(fcpattern, FC_CHARSET,
                                        fccharset);
                        FcPatternAddBool(fcpattern, FC_SCALABLE,
                        FcPatternAddCharSet(fcpattern, FC_CHARSET,
                                        fccharset);
                        FcPatternAddBool(fcpattern, FC_SCALABLE,


@@ -3117,33 +3316,35 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                        /*
                         * Overwrite or create the new cache entry.
                         */
                        /*
                         * Overwrite or create the new cache entry.
                         */

-                       frccur++;
-                       frclen++;
-                       if(frccur >= LEN(frc))
-                               frccur = 0;
-                       if(frclen > LEN(frc)) {
-                               frclen = LEN(frc);
-                               XftFontClose(xw.dpy, frc[frccur].font);
+                       if(frclen >= LEN(frc)) {
+                               frclen = LEN(frc) - 1;
+                               XftFontClose(xw.dpy, frc[frclen].font);

                        }
 
                        }
 

-                       frc[frccur].font = XftFontOpenPattern(xw.dpy,
+                       frc[frclen].font = XftFontOpenPattern(xw.dpy,

                                        fontpattern);
                                        fontpattern);

-                       frc[frccur].c = u8char;
-                       frc[frccur].flags = frcflags;
+                       frc[frclen].flags = frcflags;
+
+                       i = frclen;
+                       frclen++;

 
                        FcPatternDestroy(fcpattern);
                        FcCharSetDestroy(fccharset);
 
                        FcPatternDestroy(fcpattern);
                        FcCharSetDestroy(fccharset);

-
-                       frp = frccur;

                }
 
                }
 

-               XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
-                               xp, winy + frc[frp].font->ascent,
+               XftDrawStringUtf8(xw.draw, fg, frc[i].font,
+                               xp, winy + frc[i].font->ascent,

                                (FcChar8 *)u8c, u8cblen);
 
                                (FcChar8 *)u8c, u8cblen);
 

-               xp += font->width;
+               xp += xw.cw * wcwidth(unicodep);

        }
 
        }
 

+       /*
+        * This is how the loop above actually should be. Why does the
+        * application have to care about font details?
+        *
+        * I have to repeat: Xft and Fontconfig are design failures.
+        */

        /*
        XftDrawStringUtf8(xw.draw, fg, font->set, winx,
                        winy + font->ascent, (FcChar8 *)s, bytelen);
        /*
        XftDrawStringUtf8(xw.draw, fg, font->set, winx,
                        winy + font->ascent, (FcChar8 *)s, bytelen);


@@ -3161,18 +3362,27 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 void
 xdrawcursor(void) {
        static int oldx = 0, oldy = 0;
 void
 xdrawcursor(void) {
        static int oldx = 0, oldy = 0;

-       int sl;
+       int sl, width, curx;

        Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
 
        LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);
 
        Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
 
        LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);
 

+       curx = term.c.x;
+
+       /* adjust position if in dummy */
+       if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
+               oldx--;
+       if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
+               curx--;
+

        memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
 
        /* remove the old cursor */
        memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
 
        /* remove the old cursor */

-       sl = utf8size(term.line[oldy][oldx].c);
+       sl = utf8len(term.line[oldy][oldx].c);
+       width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;

        xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
        xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,

-                       oldy, 1, sl);
+                       oldy, width, sl);

 
        /* draw the new one */
        if(!(IS_SET(MODE_HIDE))) {
 
        /* draw the new one */
        if(!(IS_SET(MODE_HIDE))) {


@@ -3183,27 +3393,29 @@ xdrawcursor(void) {
                                g.bg = defaultfg;
                        }
 
                                g.bg = defaultfg;
                        }
 

-                       sl = utf8size(g.c);
-                       xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+                       sl = utf8len(g.c);
+                       width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
+                               ? 2 : 1;
+                       xdraws(g.c, g, term.c.x, term.c.y, width, sl);

                } else {
                        XftDrawRect(xw.draw, &dc.col[defaultcs],
                } else {
                        XftDrawRect(xw.draw, &dc.col[defaultcs],

-                                       borderpx + term.c.x * xw.cw,
+                                       borderpx + curx * xw.cw,

                                        borderpx + term.c.y * xw.ch,
                                        xw.cw - 1, 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],
                                        borderpx + term.c.y * xw.ch,
                                        xw.cw - 1, 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],

-                                       borderpx + term.c.x * xw.cw,
+                                       borderpx + curx * xw.cw,

                                        borderpx + term.c.y * xw.ch,
                                        1, xw.ch - 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],
                                        borderpx + term.c.y * xw.ch,
                                        1, xw.ch - 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],

-                                       borderpx + (term.c.x + 1) * xw.cw - 1,
+                                       borderpx + (curx + 1) * xw.cw - 1,

                                        borderpx + term.c.y * xw.ch,
                                        1, xw.ch - 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],
                                        borderpx + term.c.y * xw.ch,
                                        1, xw.ch - 1);
                        XftDrawRect(xw.draw, &dc.col[defaultcs],

-                                       borderpx + term.c.x * xw.cw,
+                                       borderpx + curx * xw.cw,

                                        borderpx + (term.c.y + 1) * xw.ch - 1,
                                        xw.cw, 1);
                }
                                        borderpx + (term.c.y + 1) * xw.ch - 1,
                                        xw.cw, 1);
                }

-               oldx = term.c.x, oldy = term.c.y;
+               oldx = curx, oldy = term.c.y;

        }
 }
 
        }
 }
 


@@ -3215,6 +3427,8 @@ xsettitle(char *p) {
        Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
                        &prop);
        XSetWMName(xw.dpy, xw.win, &prop);
        Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
                        &prop);
        XSetWMName(xw.dpy, xw.win, &prop);

+       XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+       XFree(prop.value);

 }
 
 void
 }
 
 void


@@ -3251,6 +3465,7 @@ drawregion(int x1, int y1, int x2, int y2) {
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];
        bool ena_sel = sel.ob.x != -1;
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];
        bool ena_sel = sel.ob.x != -1;

+       long unicodep;

 
        if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
                ena_sel = 0;
 
        if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
                ena_sel = 0;


@@ -3268,6 +3483,8 @@ drawregion(int x1, int y1, int x2, int y2) {
                ic = ib = ox = 0;
                for(x = x1; x < x2; x++) {
                        new = term.line[y][x];
                ic = ib = ox = 0;
                for(x = x1; x < x2; x++) {
                        new = term.line[y][x];

+                       if(new.mode == ATTR_WDUMMY)
+                               continue;

                        if(ena_sel && selected(x, y))
                                new.mode ^= ATTR_REVERSE;
                        if(ib > 0 && (ATTRCMP(base, new)
                        if(ena_sel && selected(x, y))
                                new.mode ^= ATTR_REVERSE;
                        if(ib > 0 && (ATTRCMP(base, new)


@@ -3280,10 +3497,10 @@ drawregion(int x1, int y1, int x2, int y2) {
                                base = new;
                        }
 
                                base = new;
                        }
 

-                       sl = utf8size(new.c);
+                       sl = utf8decode(new.c, &unicodep, UTF_SIZ);

                        memcpy(buf+ib, new.c, sl);
                        ib += sl;
                        memcpy(buf+ib, new.c, sl);
                        ib += sl;

-                       ++ic;
+                       ic += (new.mode & ATTR_WIDE)? 2 : 1;

                }
                if(ib > 0)
                        xdraws(buf, base, ox, y, ic, ib);
                }
                if(ib > 0)
                        xdraws(buf, base, ox, y, ic, ib);


@@ -3357,15 +3574,7 @@ focus(XEvent *ev) {
 
 static inline bool
 match(uint mask, uint state) {
 
 static 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(mask == XK_ANY_MOD)
-               return true;
-       return state == mask;
+       return mask == XK_ANY_MOD || mask == (state & ~ignoremod);

 }
 
 void
 }
 
 void


@@ -3395,25 +3604,16 @@ kmap(KeySym k, uint state) {
                if(!match(kp->mask, state))
                        continue;
 
                if(!match(kp->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)) {
+               if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+                       continue;
+               if(term.numlock && kp->appkey == 2)

                        continue;
                        continue;

-               }

 
 

-               if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
-                               (kp->appcursor > 0
-                                && !IS_SET(MODE_APPCURSOR))) {
+               if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)

                        continue;
                        continue;

-               }

 
 

-               if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
-                               (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+               if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)

                        continue;
                        continue;

-               }

 
                return kp->s;
        }
 
                return kp->s;
        }


@@ -3425,8 +3625,8 @@ void
 kpress(XEvent *ev) {
        XKeyEvent *e = &ev->xkey;
        KeySym ksym;
 kpress(XEvent *ev) {
        XKeyEvent *e = &ev->xkey;
        KeySym ksym;

-       char xstr[31], buf[32], *customkey, *cp = buf;
-       int len, ret;
+       char buf[32], *customkey;
+       int len;

        long c;
        Status status;
        Shortcut *bp;
        long c;
        Status status;
        Shortcut *bp;


@@ -3434,8 +3634,7 @@ kpress(XEvent *ev) {
        if(IS_SET(MODE_KBDLOCK))
                return;
 
        if(IS_SET(MODE_KBDLOCK))
                return;
 

-       len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
-       e->state &= ~Mod2Mask;
+       len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);

        /* 1. shortcuts */
        for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
                if(ksym == bp->keysym && match(bp->mod, e->state)) {
        /* 1. shortcuts */
        for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
                if(ksym == bp->keysym && match(bp->mod, e->state)) {


@@ -3446,33 +3645,26 @@ kpress(XEvent *ev) {
 
        /* 2. custom keys from config.h */
        if((customkey = kmap(ksym, e->state))) {
 
        /* 2. custom keys from config.h */
        if((customkey = kmap(ksym, e->state))) {

-               len = strlen(customkey);
-               memcpy(buf, customkey, len);
-       /* 3. hardcoded (overrides X lookup) */
-       } else {
-               if(len == 0)
-                       return;
+               ttysend(customkey, strlen(customkey));
+               return;
+       }

 
 

-               if(len == 1 && e->state & Mod1Mask) {
-                       if(IS_SET(MODE_8BIT)) {
-                               if(*xstr < 0177) {
-                                       c = *xstr | B7;
-                                       ret = utf8encode(&c, cp);
-                                       cp += ret;
-                                       len = 0;
-                               }
-                       } else {
-                               *cp++ = '\033';
+       /* 3. composed string from input method */
+       if(len == 0)
+               return;
+       if(len == 1 && e->state & Mod1Mask) {
+               if(IS_SET(MODE_8BIT)) {
+                       if(*buf < 0177) {
+                               c = *buf | 0x80;
+                               len = utf8encode(c, buf, UTF_SIZ);

                        }
                        }

+               } else {
+                       buf[1] = buf[0];
+                       buf[0] = '\033';
+                       len = 2;

                }
                }

-
-               memcpy(cp, xstr, len);
-               len = cp - buf + len;

        }
        }

-
-       ttywrite(buf, len);
-       if(IS_SET(MODE_ECHO))
-               techo(buf, len);
+       ttysend(buf, len);

 }
 
 
 }
 
 


@@ -3524,14 +3716,34 @@ resize(XEvent *e) {
 void
 run(void) {
        XEvent ev;
 void
 run(void) {
        XEvent ev;

+       int w = xw.w, h = xw.h;

        fd_set rfd;
        int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
        struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
 
        fd_set rfd;
        int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
        struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
 

+       /* Waiting for window mapping */
+       while(1) {
+               XNextEvent(xw.dpy, &ev);
+               if(ev.type == ConfigureNotify) {
+                       w = ev.xconfigure.width;
+                       h = ev.xconfigure.height;
+               } else if(ev.type == MapNotify) {
+                       break;
+               }
+       }
+
+       ttynew();
+       if(!xw.isfixed)
+               cresize(w, h);
+       else
+               cresize(xw.fw, xw.fh);
+

        gettimeofday(&lastblink, NULL);
        gettimeofday(&last, NULL);
 
        for(xev = actionfps;;) {
        gettimeofday(&lastblink, NULL);
        gettimeofday(&last, NULL);
 
        for(xev = actionfps;;) {

+               long deltatime;
+

                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);


@@ -3545,8 +3757,8 @@ run(void) {
                        ttyread();
                        if(blinktimeout) {
                                blinkset = tattrset(ATTR_BLINK);
                        ttyread();
                        if(blinktimeout) {
                                blinkset = tattrset(ATTR_BLINK);

-                               if(!blinkset && term.mode & ATTR_BLINK)
-                                       term.mode &= ~(MODE_BLINK);
+                               if(!blinkset)
+                                       MODBIT(term.mode, 0, MODE_BLINK);

                        }
                }
 
                        }
                }
 


@@ -3565,8 +3777,9 @@ run(void) {
                        gettimeofday(&lastblink, NULL);
                        dodraw = 1;
                }
                        gettimeofday(&lastblink, NULL);
                        dodraw = 1;
                }

-               if(TIMEDIFF(now, last) \
-                               > (xev? (1000/xfps) : (1000/actionfps))) {
+               deltatime = TIMEDIFF(now, last);
+               if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
+                               || deltatime < 0) {

                        dodraw = 1;
                        last = now;
                }
                        dodraw = 1;
                        last = now;
                }


@@ -3632,7 +3845,7 @@ main(int argc, char *argv[]) {
                if(argc > 1) {
                        opt_cmd = &argv[1];
                        if(argv[1] != NULL && opt_title == NULL) {
                if(argc > 1) {
                        opt_cmd = &argv[1];
                        if(argv[1] != NULL && opt_title == NULL) {

-                               titles = strdup(argv[1]);
+                               titles = xstrdup(argv[1]);

                                opt_title = basename(titles);
                        }
                }
                                opt_title = basename(titles);
                        }
                }


@@ -3652,7 +3865,7 @@ main(int argc, char *argv[]) {
                        xw.fh = (int)hr;
                if(bitm & XNegative && xw.fx == 0)
                        xw.fx = -1;
                        xw.fh = (int)hr;
                if(bitm & XNegative && xw.fx == 0)
                        xw.fx = -1;

-               if(bitm & XNegative && xw.fy == 0)
+               if(bitm & YNegative && xw.fy == 0)

                        xw.fy = -1;
 
                if(xw.fh != 0 && xw.fw != 0)
                        xw.fy = -1;
 
                if(xw.fh != 0 && xw.fw != 0)


@@ -3677,10 +3890,7 @@ run:
        XSetLocaleModifiers("");
        tnew(80, 24);
        xinit();
        XSetLocaleModifiers("");
        tnew(80, 24);
        xinit();

-       ttynew();

        selinit();
        selinit();

-       if(xw.isfixed)
-               cresize(xw.h, xw.w);

        run();
 
        return 0;
        run();
 
        return 0;