The style inquisition was here again.

[st.git] / st.c

diff --git a/st.c b/st.c
index f6c9f18..dbbc1f6 100644 (file)
--- a/st.c
+++ b/st.c
@@ -5,6 +5,7 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <locale.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <locale.h>

+#include <pwd.h>

 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>


@@ -27,8 +28,12 @@
 #include <X11/extensions/Xdbe.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>
 #include <X11/extensions/Xdbe.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>

+

 #define Glyph Glyph_
 #define Font Font_
 #define Glyph Glyph_
 #define Font Font_

+#define Draw XftDraw *
+#define Colour XftColor
+#define Colourmap Colormap

 
 #if   defined(__linux)
  #include <pty.h>
 
 #if   defined(__linux)
  #include <pty.h>


@@ -59,6 +64,8 @@
 
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 
 
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 

+/* macros */
+#define CLEANMASK(mask) (mask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))

 #define SERRNO strerror(errno)
 #define MIN(a, b)  ((a) < (b) ? (a) : (b))
 #define MAX(a, b)  ((a) < (b) ? (b) : (a))
 #define SERRNO strerror(errno)
 #define MIN(a, b)  ((a) < (b) ? (a) : (b))
 #define MAX(a, b)  ((a) < (b) ? (b) : (a))


@@ -69,8 +76,8 @@
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) (term.mode & (flag))
 #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))
 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)

-#define X2COL(x) (((x) - BORDER)/xw.cw)
-#define Y2ROW(y) (((y) - BORDER)/xw.ch)
+
+#define VT102ID "\033[?6c"

 
 enum glyph_attribute {
        ATTR_NULL      = 0,
 
 enum glyph_attribute {
        ATTR_NULL      = 0,


@@ -93,8 +100,8 @@ enum cursor_movement {
 
 enum cursor_state {
        CURSOR_DEFAULT  = 0,
 
 enum cursor_state {
        CURSOR_DEFAULT  = 0,

-       CURSOR_HIDE     = 1,
-       CURSOR_WRAPNEXT = 2
+       CURSOR_WRAPNEXT = 1,
+       CURSOR_ORIGIN   = 2

 };
 
 enum glyph_state {
 };
 
 enum glyph_state {


@@ -103,16 +110,19 @@ enum glyph_state {
 };
 
 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_MOUSE       = 32|64,
        MODE_REVERSE     = 128,
        MODE_MOUSEBTN    = 32,
        MODE_MOUSEMOTION = 64,
        MODE_MOUSE       = 32|64,
        MODE_REVERSE     = 128,

-       MODE_KBDLOCK     = 256
+       MODE_KBDLOCK     = 256,
+       MODE_HIDE        = 512,
+       MODE_ECHO        = 1024,
+       MODE_APPCURSOR   = 2048

 };
 
 enum escape_state {
 };
 
 enum escape_state {


@@ -121,6 +131,7 @@ enum escape_state {
        ESC_STR = 4, /* DSC, OSC, PM, APC */
        ESC_ALTCHARSET = 8,
        ESC_STR_END    = 16, /* a final string was encountered */
        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 */

 };
 
 enum window_state {
 };
 
 enum window_state {


@@ -193,14 +204,14 @@ typedef struct {
 
 /* Purely graphic info */
 typedef struct {
 
 /* Purely graphic info */
 typedef struct {

-       Display* dpy;
-       Colormap cmap;
+       Display *dpy;
+       Colourmap cmap;

        Window win;
        XdbeBackBuffer buf;
        Atom xembed, wmdeletewin;
        XIM xim;
        XIC xic;
        Window win;
        XdbeBackBuffer buf;
        Atom xembed, wmdeletewin;
        XIM xim;
        XIC xic;

-       XftDraw *xft_draw;
+       Draw draw;

        Visual *vis;
        int scr;
        bool isfixed; /* is fixed geometry? */
        Visual *vis;
        int scr;
        bool isfixed; /* is fixed geometry? */


@@ -217,6 +228,10 @@ typedef struct {
        KeySym k;
        uint mask;
        char s[ESC_BUF_SIZ];
        KeySym k;
        uint mask;
        char s[ESC_BUF_SIZ];

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

 } Key;
 
 /* TODO: use better name for vars... */
 } Key;
 
 /* TODO: use better name for vars... */


@@ -224,7 +239,9 @@ typedef struct {
        int mode;
        int bx, by;
        int ex, ey;
        int mode;
        int bx, by;
        int ex, ey;

-       struct {int x, y;} b, e;
+       struct {
+               int x, y;
+       } b, e;

        char *clip;
        Atom xtarget;
        bool alt;
        char *clip;
        Atom xtarget;
        bool alt;


@@ -232,6 +249,25 @@ typedef struct {
        struct timeval tclick2;
 } Selection;
 
        struct timeval tclick2;
 } Selection;
 

+typedef union {
+       int i;
+       unsigned int ui;
+       float f;
+       const void *v;
+} Arg;
+
+typedef struct {
+       unsigned int mod;
+       KeySym keysym;
+       void (*func)(const Arg *);
+       const Arg arg;
+} Shortcut;
+
+/* function definitions used in config.h */
+static void xzoom(const Arg *);
+static void selpaste(const Arg *);
+
+/* Config.h for applying patches and the configuration. */

 #include "config.h"
 
 /* Font structure */
 #include "config.h"
 
 /* Font structure */


@@ -242,13 +278,12 @@ typedef struct {
        int descent;
        short lbearing;
        short rbearing;
        int descent;
        short lbearing;
        short rbearing;

-       XftFont *xft_set;
+       XftFont *set;

 } Font;
 
 /* Drawing Context */
 typedef struct {
 } Font;
 
 /* Drawing Context */
 typedef struct {

-       XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
-       GC gc;
+       Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];

        Font font, bfont, ifont, ibfont;
 } DC;
 
        Font font, bfont, ifont, ibfont;
 } DC;
 


@@ -276,6 +311,7 @@ static void tdeleteline(int);
 static void tinsertblank(int);
 static void tinsertblankline(int);
 static void tmoveto(int, int);
 static void tinsertblank(int);
 static void tinsertblankline(int);
 static void tmoveto(int, int);

+static void tmoveato(int x, int y);

 static void tnew(int, int);
 static void tnewline(int);
 static void tputtab(bool);
 static void tnew(int, int);
 static void tnewline(int);
 static void tputtab(bool);


@@ -285,12 +321,13 @@ static int tresize(int, int);
 static void tscrollup(int, int);
 static void tscrolldown(int, int);
 static void tsetattr(int*, int);
 static void tscrollup(int, int);
 static void tscrolldown(int, int);
 static void tsetattr(int*, int);

-static void tsetchar(char*);
+static void tsetchar(char *, Glyph *, int, int);

 static void tsetscroll(int, int);
 static void tswapscreen(void);
 static void tsetdirt(int, int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
 static void tsetdirt(int, int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);

+static void techo(char *, int);

 
 static void ttynew(void);
 static void ttyread(void);
 
 static void ttynew(void);
 static void ttyread(void);


@@ -300,7 +337,6 @@ static void ttywrite(const char *, size_t);
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
 static void xclear(int, int, int, int);
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
 static void xclear(int, int, int, int);

-static void xclearborders(void);

 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);


@@ -316,6 +352,7 @@ static void unmap(XEvent *);
 static char *kmap(KeySym, uint);
 static void kpress(XEvent *);
 static void cmessage(XEvent *);
 static char *kmap(KeySym, uint);
 static void kpress(XEvent *);
 static void cmessage(XEvent *);

+static void cresize(int width, int height);

 static void resize(XEvent *);
 static void focus(XEvent *);
 static void brelease(XEvent *);
 static void resize(XEvent *);
 static void focus(XEvent *);
 static void brelease(XEvent *);


@@ -328,7 +365,6 @@ static void selrequest(XEvent *);
 static void selinit(void);
 static inline bool selected(int, int);
 static void selcopy(void);
 static void selinit(void);
 static inline bool selected(int, int);
 static void selcopy(void);

-static void selpaste(void);

 static void selscroll(int, int);
 
 static int utf8decode(char *, long *);
 static void selscroll(int, int);
 
 static int utf8decode(char *, long *);


@@ -336,10 +372,10 @@ static int utf8encode(long *, char *);
 static int utf8size(char *);
 static int isfullutf8(char *, int);
 
 static int utf8size(char *);
 static int isfullutf8(char *, int);
 

+static ssize_t xwrite(int, char *, size_t);

 static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
 static void *xcalloc(size_t nmemb, size_t size);
 static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
 static void *xcalloc(size_t nmemb, size_t size);

-static char *smstrcat(char *, ...);

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


@@ -375,6 +411,23 @@ static char *opt_embed = NULL;
 static char *opt_class = NULL;
 static char *opt_font = NULL;
 
 static char *opt_class = NULL;
 static char *opt_font = NULL;
 

+static char *usedfont = NULL;
+static int usedfontsize = 0;
+
+ssize_t
+xwrite(int fd, char *s, size_t len) {
+       size_t aux = len;
+
+       while(len > 0) {
+               ssize_t r = write(fd, s, len);
+               if(r < 0)
+                       return r;
+               len -= r;
+               s += r;
+       }
+       return aux;
+}
+

 void *
 xmalloc(size_t len) {
        void *p = malloc(len);
 void *
 xmalloc(size_t len) {
        void *p = malloc(len);


@@ -403,44 +456,6 @@ xcalloc(size_t nmemb, size_t size) {
        return p;
 }
 
        return p;
 }
 

-char *
-smstrcat(char *src, ...)
-{
-       va_list fmtargs;
-       char *ret, *p, *v;
-       int len, slen, flen;
-
-       len = slen = strlen(src);
-
-       va_start(fmtargs, src);
-       for(;;) {
-               v = va_arg(fmtargs, char *);
-               if(v == NULL)
-                       break;
-               len += strlen(v);
-       }
-       va_end(fmtargs);
-
-       p = ret = xmalloc(len+1);
-       memmove(p, src, slen);
-       p += slen;
-
-       va_start(fmtargs, src);
-       for(;;) {
-               v = va_arg(fmtargs, char *);
-               if(v == NULL)
-                       break;
-               flen = strlen(v);
-               memmove(p, v, flen);
-               p += flen;
-       }
-       va_end(fmtargs);
-
-       ret[len] = '\0';
-
-       return ret;
-}
-

 int
 utf8decode(char *s, long *u) {
        uchar c;
 int
 utf8decode(char *s, long *u) {
        uchar c;


@@ -577,6 +592,22 @@ selinit(void) {
                sel.xtarget = XA_STRING;
 }
 
                sel.xtarget = XA_STRING;
 }
 

+static int
+x2col(int x) {
+       x -= borderpx;
+       x /= xw.cw;
+
+       return LIMIT(x, 0, term.col-1);
+}
+
+static int
+y2row(int y) {
+       y -= borderpx;
+       y /= xw.ch;
+
+       return LIMIT(y, 0, term.row-1);
+}
+

 static inline bool
 selected(int x, int y) {
        int bx, ex;
 static inline bool
 selected(int x, int y) {
        int bx, ex;


@@ -587,10 +618,10 @@ selected(int x, int y) {
                return BETWEEN(x, bx, ex);
        }
 
                return BETWEEN(x, bx, ex);
        }
 

-       return ((sel.b.y < y&&y < sel.e.y)
-                       || (y==sel.e.y && x<=sel.e.x))
-                       || (y==sel.b.y && x>=sel.b.x
-                                       && (x<=sel.e.x || sel.b.y!=sel.e.y));
+       return ((sel.b.y < y && y < sel.e.y)
+                       || (y == sel.e.y && x <= sel.e.x))
+                       || (y == sel.b.y && x >= sel.b.x
+                               && (x <= sel.e.x || sel.b.y != sel.e.y));

 }
 
 void
 }
 
 void


@@ -598,8 +629,9 @@ getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
        if(b)
                *b = e->xbutton.button;
 
        if(b)
                *b = e->xbutton.button;
 

-       *x = X2COL(e->xbutton.x);
-       *y = Y2ROW(e->xbutton.y);
+       *x = x2col(e->xbutton.x);
+       *y = y2row(e->xbutton.y);
+

        sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
        sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;


@@ -608,8 +640,8 @@ getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
 
 void
 mousereport(XEvent *e) {
 
 void
 mousereport(XEvent *e) {

-       int x = X2COL(e->xbutton.x);
-       int y = Y2ROW(e->xbutton.y);
+       int x = x2col(e->xbutton.x);
+       int y = y2row(e->xbutton.y);

        int button = e->xbutton.button;
        int state = e->xbutton.state;
        char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
        int button = e->xbutton.button;
        int state = e->xbutton.state;
        char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };


@@ -651,8 +683,12 @@ bpress(XEvent *e) {
                        draw();
                }
                sel.mode = 1;
                        draw();
                }
                sel.mode = 1;

-               sel.ex = sel.bx = X2COL(e->xbutton.x);
-               sel.ey = sel.by = Y2ROW(e->xbutton.y);
+               sel.ex = sel.bx = x2col(e->xbutton.x);
+               sel.ey = sel.by = y2row(e->xbutton.y);
+       } else if(e->xbutton.button == Button4) {
+               ttywrite("\031", 1);
+       } else if(e->xbutton.button == Button5) {
+               ttywrite("\005", 1);

        }
 }
 
        }
 }
 


@@ -660,7 +696,7 @@ void
 selcopy(void) {
        char *str, *ptr, *p;
        int x, y, bufsize, is_selected = 0, size;
 selcopy(void) {
        char *str, *ptr, *p;
        int x, y, bufsize, is_selected = 0, size;

-       Glyph *gp;
+       Glyph *gp, *last;

 
        if(sel.bx == -1) {
                str = NULL;
 
        if(sel.bx == -1) {
                str = NULL;


@@ -670,11 +706,16 @@ selcopy(void) {
 
                /* append every set & selected glyph to the selection */
                for(y = 0; y < term.row; y++) {
 
                /* append every set & selected glyph to the selection */
                for(y = 0; y < term.row; y++) {

-                       for(x = 0; x < term.col; x++) {
-                               gp = &term.line[y][x];
+                       gp = &term.line[y][0];
+                       last = gp + term.col;

 
 

+                       while(--last >= gp && !(last->state & GLYPH_SET))
+                               /* nothing */;
+
+                       for(x = 0; gp <= last; x++, ++gp) {

                                if(!(is_selected = selected(x, y)))
                                        continue;
                                if(!(is_selected = selected(x, y)))
                                        continue;

+

                                p = (gp->state & GLYPH_SET) ? gp->c : " ";
                                size = utf8size(p);
                                memcpy(ptr, p, size);
                                p = (gp->state & GLYPH_SET) ? gp->c : " ";
                                size = utf8size(p);
                                memcpy(ptr, p, size);


@@ -713,7 +754,7 @@ selnotify(XEvent *e) {
 }
 
 void
 }
 
 void

-selpaste(void) {
+selpaste(const Arg *dummy) {

        XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
                        xw.win, CurrentTime);
 }
        XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
                        xw.win, CurrentTime);
 }


@@ -784,7 +825,7 @@ brelease(XEvent *e) {
        }
 
        if(e->xbutton.button == Button2) {
        }
 
        if(e->xbutton.button == Button2) {

-               selpaste();
+               selpaste(NULL);

        } else if(e->xbutton.button == Button1) {
                sel.mode = 0;
                getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
        } else if(e->xbutton.button == Button1) {
                sel.mode = 0;
                getbuttoninfo(e, NULL, &sel.ex, &sel.ey);


@@ -793,22 +834,22 @@ brelease(XEvent *e) {
                        sel.bx = -1;
                        gettimeofday(&now, NULL);
 
                        sel.bx = -1;
                        gettimeofday(&now, NULL);
 

-                       if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
+                       if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {

                                /* triple click on the line */
                                sel.b.x = sel.bx = 0;
                                sel.e.x = sel.ex = term.col;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();
                                /* triple click on the line */
                                sel.b.x = sel.bx = 0;
                                sel.e.x = sel.ex = term.col;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();

-                       } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
+                       } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {

                                /* double click to select word */
                                sel.bx = sel.ex;
                                while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
                                /* double click to select word */
                                sel.bx = sel.ex;
                                while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&

-                                         term.line[sel.ey][sel.bx-1].c[0] != ' ') {
+                                               term.line[sel.ey][sel.bx-1].c[0] != ' ') {

                                        sel.bx--;
                                }
                                sel.b.x = sel.bx;
                                while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
                                        sel.bx--;
                                }
                                sel.b.x = sel.bx;
                                while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&

-                                         term.line[sel.ey][sel.ex+1].c[0] != ' ') {
+                                               term.line[sel.ey][sel.ex+1].c[0] != ' ') {

                                        sel.ex++;
                                }
                                sel.e.x = sel.ex;
                                        sel.ex++;
                                }
                                sel.e.x = sel.ex;


@@ -860,11 +901,23 @@ void
 execsh(void) {
        char **args;
        char *envshell = getenv("SHELL");
 execsh(void) {
        char **args;
        char *envshell = getenv("SHELL");

+       const struct passwd *pass = getpwuid(getuid());
+       char buf[sizeof(long) * 8 + 1];

 
        unsetenv("COLUMNS");
        unsetenv("LINES");
        unsetenv("TERMCAP");
 
 
        unsetenv("COLUMNS");
        unsetenv("LINES");
        unsetenv("TERMCAP");
 

+       if(pass) {
+               setenv("LOGNAME", pass->pw_name, 1);
+               setenv("USER", pass->pw_name, 1);
+               setenv("SHELL", pass->pw_shell, 0);
+               setenv("HOME", pass->pw_dir, 0);
+       }
+
+       snprintf(buf, sizeof(buf), "%lu", xw.win);
+       setenv("WINDOWID", buf, 1);
+

        signal(SIGCHLD, SIG_DFL);
        signal(SIGHUP, SIG_DFL);
        signal(SIGINT, SIG_DFL);
        signal(SIGCHLD, SIG_DFL);
        signal(SIGHUP, SIG_DFL);
        signal(SIGINT, SIG_DFL);


@@ -872,9 +925,9 @@ execsh(void) {
        signal(SIGTERM, SIG_DFL);
        signal(SIGALRM, SIG_DFL);
 
        signal(SIGTERM, SIG_DFL);
        signal(SIGALRM, SIG_DFL);
 

-       DEFAULT(envshell, SHELL);
-       putenv("TERM="TNAME);
-       args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
+       DEFAULT(envshell, shell);
+       setenv("TERM", termname, 1);
+       args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};

        execvp(args[0], args);
        exit(EXIT_FAILURE);
 }
        execvp(args[0], args);
        exit(EXIT_FAILURE);
 }


@@ -922,13 +975,12 @@ ttynew(void) {
                cmdfd = m;
                signal(SIGCHLD, sigchld);
                if(opt_io) {
                cmdfd = m;
                signal(SIGCHLD, sigchld);
                if(opt_io) {

-                       if(!strcmp(opt_io, "-")) {
-                               iofd = STDOUT_FILENO;
-                       } else {
-                               if((iofd = open(opt_io, O_WRONLY | O_CREAT, 0666)) < 0) {
-                                       fprintf(stderr, "Error opening %s:%s\n",
-                                               opt_io, strerror(errno));
-                               }
+                       iofd = (!strcmp(opt_io, "-")) ?
+                                 STDOUT_FILENO :
+                                 open(opt_io, O_WRONLY | O_CREAT, 0666);
+                       if(iofd < 0) {
+                               fprintf(stderr, "Error opening %s:%s\n",
+                                       opt_io, strerror(errno));

                        }
                }
        }
                        }
                }
        }


@@ -1024,23 +1076,27 @@ treset(void) {
 
        term.c = (TCursor){{
                .mode = ATTR_NULL,
 
        term.c = (TCursor){{
                .mode = ATTR_NULL,

-               .fg = DefaultFG,
-               .bg = DefaultBG
+               .fg = defaultfg,
+               .bg = defaultbg

        }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
 
        memset(term.tabs, 0, term.col * sizeof(*term.tabs));
        }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
 
        memset(term.tabs, 0, term.col * sizeof(*term.tabs));

-       for(i = TAB; i < term.col; i += TAB)
+       for(i = tabspaces; i < term.col; i += tabspaces)

                term.tabs[i] = 1;
                term.tabs[i] = 1;

-       term.top = 0, term.bot = term.row - 1;
+       term.top = 0;
+       term.bot = term.row - 1;

        term.mode = MODE_WRAP;
 
        tclearregion(0, 0, term.col-1, term.row-1);
        term.mode = MODE_WRAP;
 
        tclearregion(0, 0, term.col-1, term.row-1);

+       tmoveto(0, 0);
+       tcursor(CURSOR_SAVE);

 }
 
 void
 tnew(int col, int row) {
        /* set screen size */
 }
 
 void
 tnew(int col, int row) {
        /* set screen size */

-       term.row = row, term.col = col;
+       term.row = row;
+       term.col = col;

        term.line = xmalloc(term.row * sizeof(Line));
        term.alt  = xmalloc(term.row * sizeof(Line));
        term.dirty = xmalloc(term.row * sizeof(*term.dirty));
        term.line = xmalloc(term.row * sizeof(Line));
        term.alt  = xmalloc(term.row * sizeof(Line));
        term.dirty = xmalloc(term.row * sizeof(*term.dirty));


@@ -1167,18 +1223,33 @@ csiparse(void) {
        }
 }
 
        }
 }
 

+/* for absolute user moves, when decom is set */
+void
+tmoveato(int x, int y) {
+       tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
+}
+

 void
 tmoveto(int x, int y) {
 void
 tmoveto(int x, int y) {

+       int miny, maxy;
+
+       if(term.c.state & CURSOR_ORIGIN) {
+               miny = term.top;
+               maxy = term.bot;
+       } else {
+               miny = 0;
+               maxy = term.row - 1;
+       }

        LIMIT(x, 0, term.col-1);
        LIMIT(x, 0, term.col-1);

-       LIMIT(y, 0, term.row-1);
+       LIMIT(y, miny, maxy);

        term.c.state &= ~CURSOR_WRAPNEXT;
        term.c.x = x;
        term.c.y = y;
 }
 
 void
        term.c.state &= ~CURSOR_WRAPNEXT;
        term.c.x = x;
        term.c.y = y;
 }
 
 void

-tsetchar(char *c) {
-       char *vt100_0[62] = { /* 0x41 - 0x7e */
+tsetchar(char *c, Glyph *attr, int x, int y) {
+       static char *vt100_0[62] = { /* 0x41 - 0x7e */

                "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
                0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
                0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
                "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
                0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
                0, 0, 0, 0, 0, 0, 0, 0, /* P - W */


@@ -1192,17 +1263,17 @@ tsetchar(char *c) {
        /*
         * The table is proudly stolen from rxvt.
         */
        /*
         * The table is proudly stolen from rxvt.
         */

-       if(term.c.attr.mode & ATTR_GFX) {
+       if(attr->mode & ATTR_GFX) {

                if(c[0] >= 0x41 && c[0] <= 0x7e
                                && vt100_0[c[0] - 0x41]) {
                        c = vt100_0[c[0] - 0x41];
                }
        }
 
                if(c[0] >= 0x41 && c[0] <= 0x7e
                                && vt100_0[c[0] - 0x41]) {
                        c = vt100_0[c[0] - 0x41];
                }
        }
 

-       term.dirty[term.c.y] = 1;
-       term.line[term.c.y][term.c.x] = term.c.attr;
-       memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
-       term.line[term.c.y][term.c.x].state |= GLYPH_SET;
+       term.dirty[y] = 1;
+       term.line[y][x] = *attr;
+       memcpy(term.line[y][x].c, c, UTF_SIZ);
+       term.line[y][x].state |= GLYPH_SET;

 }
 
 void
 }
 
 void


@@ -1287,8 +1358,8 @@ tsetattr(int *attr, int l) {
                case 0:
                        term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
                                        | ATTR_ITALIC | ATTR_BLINK);
                case 0:
                        term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
                                        | ATTR_ITALIC | ATTR_BLINK);

-                       term.c.attr.fg = DefaultFG;
-                       term.c.attr.bg = DefaultBG;
+                       term.c.attr.fg = defaultfg;
+                       term.c.attr.bg = defaultbg;

                        break;
                case 1:
                        term.c.attr.mode |= ATTR_BOLD;
                        break;
                case 1:
                        term.c.attr.mode |= ATTR_BOLD;


@@ -1338,7 +1409,7 @@ tsetattr(int *attr, int l) {
                        }
                        break;
                case 39:
                        }
                        break;
                case 39:

-                       term.c.attr.fg = DefaultFG;
+                       term.c.attr.fg = defaultfg;

                        break;
                case 48:
                        if(i + 2 < l && attr[i + 1] == 5) {
                        break;
                case 48:
                        if(i + 2 < l && attr[i + 1] == 5) {


@@ -1357,7 +1428,7 @@ tsetattr(int *attr, int l) {
                        }
                        break;
                case 49:
                        }
                        break;
                case 49:

-                       term.c.attr.bg = DefaultBG;
+                       term.c.attr.bg = defaultbg;

                        break;
                default:
                        if(BETWEEN(attr[i], 30, 37)) {
                        break;
                default:
                        if(BETWEEN(attr[i], 30, 37)) {


@@ -1398,13 +1469,14 @@ tsetscroll(int t, int b) {
 void
 tsetmode(bool priv, bool set, int *args, int narg) {
        int *lim, mode;
 void
 tsetmode(bool priv, bool set, int *args, int narg) {
        int *lim, mode;

+       bool alt;

 
        for(lim = args + narg; args < lim; ++args) {
                if(priv) {
                        switch(*args) {
                                break;
                        case 1: /* DECCKM -- Cursor key */
 
        for(lim = args + narg; args < lim; ++args) {
                if(priv) {
                        switch(*args) {
                                break;
                        case 1: /* DECCKM -- Cursor key */

-                               MODBIT(term.mode, set, MODE_APPKEYPAD);
+                               MODBIT(term.mode, set, MODE_APPCURSOR);

                                break;
                        case 5: /* DECSCNM -- Reverse video */
                                mode = term.mode;
                                break;
                        case 5: /* DECSCNM -- Reverse video */
                                mode = term.mode;


@@ -1412,18 +1484,25 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                if(mode != term.mode)
                                        redraw();
                                break;
                                if(mode != term.mode)
                                        redraw();
                                break;

-                       case 6: /* XXX: DECOM -- Origin */
+                       case 6: /* DECOM -- Origin */
+                               MODBIT(term.c.state, set, CURSOR_ORIGIN);
+                               tmoveato(0, 0);

                                break;
                        case 7: /* DECAWM -- Auto wrap */
                                MODBIT(term.mode, set, MODE_WRAP);
                                break;
                                break;
                        case 7: /* DECAWM -- Auto wrap */
                                MODBIT(term.mode, set, MODE_WRAP);
                                break;

-                       case 8: /* XXX: DECARM -- Auto repeat */
-                               break;

                        case 0:  /* Error (IGNORED) */
                        case 0:  /* Error (IGNORED) */

+                       case 2:  /* DECANM -- ANSI/VT52 (IGNORED) */
+                       case 3:  /* DECCOLM -- Column  (IGNORED) */
+                       case 4:  /* DECSCLM -- Scroll (IGNORED) */
+                       case 8:  /* DECARM -- Auto repeat (IGNORED) */
+                       case 18: /* DECPFF -- Printer feed (IGNORED) */
+                       case 19: /* DECPEX -- Printer extent (IGNORED) */
+                       case 42: /* DECNRCM -- National characters (IGNORED) */

                        case 12: /* att610 -- Start blinking cursor (IGNORED) */
                                break;
                        case 12: /* att610 -- Start blinking cursor (IGNORED) */
                                break;

-                       case 25:
-                               MODBIT(term.c.state, !set, CURSOR_HIDE);
+                       case 25: /* DECTCEM -- Text Cursor Enable Mode */
+                               MODBIT(term.mode, !set, MODE_HIDE);

                                break;
                        case 1000: /* 1000,1002: enable xterm mouse report */
                                MODBIT(term.mode, set, MODE_MOUSEBTN);
                                break;
                        case 1000: /* 1000,1002: enable xterm mouse report */
                                MODBIT(term.mode, set, MODE_MOUSEBTN);


@@ -1433,26 +1512,20 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                break;
                        case 1049: /* = 1047 and 1048 */
                        case 47:
                                break;
                        case 1049: /* = 1047 and 1048 */
                        case 47:

-                       case 1047:
-                               if(IS_SET(MODE_ALTSCREEN))
+                       case 1047: {
+                               alt = IS_SET(MODE_ALTSCREEN) != 0;
+                               if(alt)

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

-                               if((set && !IS_SET(MODE_ALTSCREEN)) ||
-                                   (!set && IS_SET(MODE_ALTSCREEN))) {
-                                           tswapscreen();
-                               }
+                               if(set ^ alt)           /* set is always 1 or 0 */
+                                       tswapscreen();

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

+                       }

                                /* pass through */
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
                        default:
                                /* pass through */
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
                        default:

-                       /* case 2:  DECANM -- ANSI/VT52 (NOT SUPPOURTED) */
-                       /* case 3:  DECCOLM -- Column  (NOT SUPPORTED) */
-                       /* case 4:  DECSCLM -- Scroll (NOT SUPPORTED) */
-                       /* case 18: DECPFF -- Printer feed (NOT SUPPORTED) */
-                       /* case 19: DECPEX -- Printer extent (NOT SUPPORTED) */
-                       /* case 42: DECNRCM -- National characters (NOT SUPPORTED) */

                                fprintf(stderr,
                                        "erresc: unknown private set/reset mode %d\n",
                                        *args);
                                fprintf(stderr,
                                        "erresc: unknown private set/reset mode %d\n",
                                        *args);


@@ -1468,7 +1541,8 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                        case 4:  /* IRM -- Insertion-replacement */
                                MODBIT(term.mode, set, MODE_INSERT);
                                break;
                        case 4:  /* IRM -- Insertion-replacement */
                                MODBIT(term.mode, set, MODE_INSERT);
                                break;

-                       case 12: /* XXX: SRM -- Send/Receive */
+                       case 12: /* SRM -- Send/Receive */
+                               MODBIT(term.mode, !set, MODE_ECHO);

                                break;
                        case 20: /* LNM -- Linefeed/new line */
                                MODBIT(term.mode, set, MODE_CRLF);
                                break;
                        case 20: /* LNM -- Linefeed/new line */
                                MODBIT(term.mode, set, MODE_CRLF);


@@ -1499,16 +1573,20 @@ csihandle(void) {
                tinsertblank(csiescseq.arg[0]);
                break;
        case 'A': /* CUU -- Cursor <n> Up */
                tinsertblank(csiescseq.arg[0]);
                break;
        case 'A': /* CUU -- Cursor <n> Up */

-       case 'e':

                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
                break;
        case 'B': /* CUD -- Cursor <n> Down */
                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
                break;
        case 'B': /* CUD -- Cursor <n> Down */

+       case 'e': /* VPR --Cursor <n> Down */

                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
                break;
                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
                break;

+       case 'c': /* DA -- Device Attributes */
+               if(csiescseq.arg[0] == 0)
+                       ttywrite(VT102ID, sizeof(VT102ID) - 1);
+               break;

        case 'C': /* CUF -- Cursor <n> Forward */
        case 'C': /* CUF -- Cursor <n> Forward */

-       case 'a':
+       case 'a': /* HPR -- Cursor <n> Forward */

                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
                break;
                DEFAULT(csiescseq.arg[0], 1);
                tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
                break;


@@ -1545,7 +1623,7 @@ csihandle(void) {
        case 'f': /* HVP */
                DEFAULT(csiescseq.arg[0], 1);
                DEFAULT(csiescseq.arg[1], 1);
        case 'f': /* HVP */
                DEFAULT(csiescseq.arg[0], 1);
                DEFAULT(csiescseq.arg[1], 1);

-               tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
+               tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);

                break;
        case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
                DEFAULT(csiescseq.arg[0], 1);
                break;
        case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
                DEFAULT(csiescseq.arg[0], 1);


@@ -1619,7 +1697,7 @@ csihandle(void) {
                break;
        case 'd': /* VPA -- Move to <row> */
                DEFAULT(csiescseq.arg[0], 1);
                break;
        case 'd': /* VPA -- Move to <row> */
                DEFAULT(csiescseq.arg[0], 1);

-               tmoveto(term.c.x, csiescseq.arg[0]-1);
+               tmoveato(term.c.x, csiescseq.arg[0]-1);

                break;
        case 'h': /* SM -- Set terminal mode */
                tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
                break;
        case 'h': /* SM -- Set terminal mode */
                tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);


@@ -1634,7 +1712,7 @@ csihandle(void) {
                        DEFAULT(csiescseq.arg[0], 1);
                        DEFAULT(csiescseq.arg[1], term.row);
                        tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
                        DEFAULT(csiescseq.arg[0], 1);
                        DEFAULT(csiescseq.arg[1], term.row);
                        tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);

-                       tmoveto(0, 0);
+                       tmoveato(0, 0);

                }
                break;
        case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
                }
                break;
        case 's': /* DECSC -- Save cursor position (ANSI.SYS) */


@@ -1779,42 +1857,111 @@ tputtab(bool forward) {
 }
 
 void
 }
 
 void

-tputc(char *c, int len) {
-       uchar ascii = *c;
-
-       if(iofd != -1)
-               write(iofd, c, len);
+techo(char *buf, int len) {
+       for(; len > 0; buf++, len--) {
+               char c = *buf;

 
 

-       switch(ascii) {
-       case '\t':
-               tputtab(1);
-               return;
-       case '\b':
-               tmoveto(term.c.x-1, term.c.y);
-               return;
-       case '\r':
-               tmoveto(0, term.c.y);
-               return;
-       case '\f':
-       case '\v':
-       case '\n':
-               /* go to first col if the mode is set */
-               tnewline(IS_SET(MODE_CRLF));
-               return;
-       case '\a':
-               if(term.esc & ESC_STR)
+               if(c == '\033') {               /* escape */
+                       tputc("^", 1);
+                       tputc("[", 1);
+               } else if (c < '\x20') {        /* control code */
+                       if(c != '\n' && c != '\r' && c != '\t') {
+                               c |= '\x40';
+                               tputc("^", 1);
+                       }
+                       tputc(&c, 1);
+               } else {

                        break;
                        break;

+               }
+       }
+       if (len)
+               tputc(buf, len);
+}

 
 

-               if(!(xw.state & WIN_FOCUSED))
-                       xseturgency(1);
-               return;
-       case '\033':
-               csireset();
-               term.esc = ESC_START;
+void
+tputc(char *c, int len) {
+       uchar ascii = *c;
+       bool control = ascii < '\x20' || ascii == 0177;
+
+       if(iofd != -1) {
+               if (xwrite(iofd, c, len) < 0) {
+                       fprintf(stderr, "Error writting in %s:%s\n",
+                               opt_io, strerror(errno));
+                       close(iofd);
+                       iofd = -1;
+               }
+       }
+       /*
+        * STR sequences must be checked before anything else
+        * because it can use some control codes as part of the sequence.
+        */
+       if(term.esc & ESC_STR) {
+               switch(ascii) {
+               case '\033':
+                       term.esc = ESC_START | ESC_STR_END;
+                       break;
+               case '\a': /* backwards compatibility to xterm */
+                       term.esc = 0;
+                       strhandle();
+                       break;
+               default:
+                       strescseq.buf[strescseq.len++] = ascii;
+                       if(strescseq.len+1 >= STR_BUF_SIZ) {
+                               term.esc = 0;
+                               strhandle();
+                       }
+               }

                return;
        }
 
                return;
        }
 

-       if(term.esc & ESC_START) {
+       /*
+        * Actions of control codes must be performed as soon they arrive
+        * because they can be embedded inside a control sequence, and
+        * they must not cause conflicts with sequences.
+        */
+       if(control) {
+               switch(ascii) {
+               case '\t':      /* HT */
+                       tputtab(1);
+                       return;
+               case '\b':      /* BS */
+                       tmoveto(term.c.x-1, term.c.y);
+                       return;
+               case '\r':      /* CR */
+                       tmoveto(0, term.c.y);
+                       return;
+               case '\f':      /* LF */
+               case '\v':      /* VT */
+               case '\n':      /* LF */
+                       /* go to first col if the mode is set */
+                       tnewline(IS_SET(MODE_CRLF));
+                       return;
+               case '\a':      /* BEL */
+                       if(!(xw.state & WIN_FOCUSED))
+                               xseturgency(1);
+                       return;
+               case '\033':    /* ESC */
+                       csireset();
+                       term.esc = ESC_START;
+                       return;
+               case '\016':    /* SO */
+                       term.c.attr.mode |= ATTR_GFX;
+                       return;
+               case '\017':    /* SI */
+                       term.c.attr.mode &= ~ATTR_GFX;
+                       return;
+               case '\032':    /* SUB */
+               case '\030':    /* CAN */
+                       csireset();
+                       return;
+               case '\005':    /* ENQ (IGNORED) */
+               case '\000':    /* NUL (IGNORED) */
+               case '\021':    /* XON (IGNORED) */
+               case '\023':    /* XOFF (IGNORED) */
+               case 0177:      /* DEL (IGNORED) */
+                       return;
+               }
+       } else if(term.esc & ESC_START) {

                if(term.esc & ESC_CSI) {
                        csiescseq.buf[csiescseq.len++] = ascii;
                        if(BETWEEN(ascii, 0x40, 0x7E)
                if(term.esc & ESC_CSI) {
                        csiescseq.buf[csiescseq.len++] = ascii;
                        if(BETWEEN(ascii, 0x40, 0x7E)


@@ -1822,22 +1969,6 @@ tputc(char *c, int len) {
                                term.esc = 0;
                                csiparse(), csihandle();
                        }
                                term.esc = 0;
                                csiparse(), csihandle();
                        }

-               } else if(term.esc & ESC_STR) {
-                       switch(ascii) {
-                       case '\033':
-                               term.esc = ESC_START | ESC_STR_END;
-                               break;
-                       case '\a': /* backwards compatibility to xterm */
-                               term.esc = 0;
-                               strhandle();
-                               break;
-                       default:
-                               strescseq.buf[strescseq.len++] = ascii;
-                               if(strescseq.len+1 >= STR_BUF_SIZ) {
-                                       term.esc = 0;
-                                       strhandle();
-                               }
-                       }

                } else if(term.esc & ESC_STR_END) {
                        term.esc = 0;
                        if(ascii == '\\')
                } else if(term.esc & ESC_STR_END) {
                        term.esc = 0;
                        if(ascii == '\\')


@@ -1860,11 +1991,25 @@ tputc(char *c, int len) {
                                fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
                        }
                        term.esc = 0;
                                fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
                        }
                        term.esc = 0;

+               } else if(term.esc & ESC_TEST) {
+                       if(ascii == '8') { /* DEC screen alignment test. */
+                               char E[UTF_SIZ] = "E";
+                               int x, y;
+
+                               for(x = 0; x < term.col; ++x) {
+                                       for(y = 0; y < term.row; ++y)
+                                               tsetchar(E, &term.c.attr, x, y);
+                               }
+                       }
+                       term.esc = 0;

                } else {
                        switch(ascii) {
                        case '[':
                                term.esc |= ESC_CSI;
                                break;
                } else {
                        switch(ascii) {
                        case '[':
                                term.esc |= ESC_CSI;
                                break;

+                       case '#':
+                               term.esc |= ESC_TEST;
+                               break;

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


@@ -1906,10 +2051,13 @@ tputc(char *c, int len) {
                                }
                                term.esc = 0;
                                break;
                                }
                                term.esc = 0;
                                break;

+                       case 'Z': /* DECID -- Identify Terminal */
+                               ttywrite(VT102ID, sizeof(VT102ID) - 1);
+                               term.esc = 0;
+                               break;

                        case 'c': /* RIS -- Reset to inital state */
                                treset();
                                term.esc = 0;
                        case 'c': /* RIS -- Reset to inital state */
                                treset();
                                term.esc = 0;

-                               xclearborders();

                                xresettitle();
                                break;
                        case '=': /* DECPAM -- Application keypad */
                                xresettitle();
                                break;
                        case '=': /* DECPAM -- Application keypad */


@@ -1937,20 +2085,26 @@ tputc(char *c, int len) {
                                term.esc = 0;
                        }
                }
                                term.esc = 0;
                        }
                }

-       } else {
-               if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
-                       sel.bx = -1;
-               if(ascii >= '\020' || term.c.attr.mode & ATTR_GFX) {
-                       if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
-                               tnewline(1); /* always go to first col */
-                       tsetchar(c);
-                       if(term.c.x+1 < term.col) {
-                               tmoveto(term.c.x+1, term.c.y);
-                       } else {
-                               term.c.state |= CURSOR_WRAPNEXT;
-                       }
-               }
+               /*
+                * All characters which forms part of a sequence are not
+                * printed
+                */
+               return;

        }
        }

+       /*
+        * Display control codes only if we are in graphic mode
+        */
+       if(control && !(term.c.attr.mode & ATTR_GFX))
+               return;
+       if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
+               sel.bx = -1;
+       if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
+               tnewline(1); /* always go to first col */
+       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);
+       else
+               term.c.state |= CURSOR_WRAPNEXT;

 }
 
 int
 }
 
 int


@@ -2011,37 +2165,38 @@ tresize(int col, int row) {
                memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
                while(--bp > term.tabs && !*bp)
                        /* nothing */ ;
                memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
                while(--bp > term.tabs && !*bp)
                        /* nothing */ ;

-               for(bp += TAB; bp < term.tabs + col; bp += TAB)
+               for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)

                        *bp = 1;
        }
        /* update terminal size */
                        *bp = 1;
        }
        /* update terminal size */

-       term.col = col, term.row = row;
-       /* make use of the LIMIT in tmoveto */
-       tmoveto(term.c.x, term.c.y);
+       term.col = col;
+       term.row = row;

        /* reset scrolling region */
        tsetscroll(0, row-1);
        /* reset scrolling region */
        tsetscroll(0, row-1);

+       /* make use of the LIMIT in tmoveto */
+       tmoveto(term.c.x, term.c.y);

 
        return (slide > 0);
 }
 
 void
 xresize(int col, int row) {
 
        return (slide > 0);
 }
 
 void
 xresize(int col, int row) {

-       xw.tw = MAX(1, 2*BORDER + col * xw.cw);
-       xw.th = MAX(1, 2*BORDER + row * xw.ch);
+       xw.tw = MAX(1, 2*borderpx + col * xw.cw);
+       xw.th = MAX(1, 2*borderpx + row * xw.ch);

 
 

-       XftDrawChange(xw.xft_draw, xw.buf);
+       XftDrawChange(xw.draw, xw.buf);

 }
 
 void
 xloadcols(void) {
        int i, r, g, b;
 }
 
 void
 xloadcols(void) {
        int i, r, g, b;

-       XRenderColor xft_color = { .alpha = 0 };
+       XRenderColor color = { .alpha = 0 };

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

-               if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_col[i])) {
+               if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {

                        die("Could not allocate color '%s'\n", colorname[i]);
                }
        }
                        die("Could not allocate color '%s'\n", colorname[i]);
                }
        }


@@ -2050,10 +2205,10 @@ xloadcols(void) {
        for(i = 16, r = 0; r < 6; r++) {
                for(g = 0; g < 6; g++) {
                        for(b = 0; b < 6; b++) {
        for(i = 16, r = 0; r < 6; r++) {
                for(g = 0; g < 6; g++) {
                        for(b = 0; b < 6; b++) {

-                               xft_color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
-                               xft_color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
-                               xft_color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
-                               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
+                               color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
+                               color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
+                               color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+                               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {

                                        die("Could not allocate color %d\n", i);
                                }
                                i++;
                                        die("Could not allocate color %d\n", i);
                                }
                                i++;


@@ -2062,9 +2217,9 @@ xloadcols(void) {
        }
 
        for(r = 0; r < 24; r++, i++) {
        }
 
        for(r = 0; r < 24; r++, i++) {

-               xft_color.red = xft_color.green = xft_color.blue = 0x0808 + 0x0a0a * r;
-               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color,
-                                       &dc.xft_col[i])) {
+               color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
+               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
+                                       &dc.col[i])) {

                        die("Could not allocate color %d\n", i);
                }
        }
                        die("Could not allocate color %d\n", i);
                }
        }


@@ -2072,10 +2227,10 @@ xloadcols(void) {
 
 void
 xtermclear(int col1, int row1, int col2, int row2) {
 
 void
 xtermclear(int col1, int row1, int col2, int row2) {

-       XftDrawRect(xw.xft_draw,
-                       &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
-                       BORDER + col1 * xw.cw,
-                       BORDER + row1 * xw.ch,
+       XftDrawRect(xw.draw,
+                       &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+                       borderpx + col1 * xw.cw,
+                       borderpx + row1 * xw.ch,

                        (col2-col1+1) * xw.cw,
                        (row2-row1+1) * xw.ch);
 }
                        (col2-col1+1) * xw.cw,
                        (row2-row1+1) * xw.ch);
 }


@@ -2085,26 +2240,14 @@ xtermclear(int col1, int row1, int col2, int row2) {
  */
 void
 xclear(int x1, int y1, int x2, int y2) {
  */
 void
 xclear(int x1, int y1, int x2, int y2) {

-       XftDrawRect(xw.xft_draw,
-                       &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+       XftDrawRect(xw.draw,
+                       &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],

                        x1, y1, x2-x1, y2-y1);
 }
 
                        x1, y1, x2-x1, y2-y1);
 }
 

-void
-xclearborders(void) {
-       /* top and left border */
-       xclear(0, 0, BORDER, xw.h);
-       xclear(0, 0, xw.w, BORDER);
-
-       /* lower and right border */
-       xclear(BORDER, xw.th - 1, xw.w, xw.h);
-       /* Will just draw what hasn't been drawn by the previous call. */
-       xclear(xw.tw - 1, BORDER, xw.w, xw.h - xw.th - 2);
-}
-

 void
 xhints(void) {
 void
 xhints(void) {

-       XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
+       XClassHint class = {opt_class ? opt_class : termname, termname};

        XWMHints wm = {.flags = InputHint, .input = 1};
        XSizeHints *sizeh = NULL;
 
        XWMHints wm = {.flags = InputHint, .input = 1};
        XSizeHints *sizeh = NULL;
 


@@ -2115,8 +2258,8 @@ xhints(void) {
                sizeh->width = xw.w;
                sizeh->height_inc = xw.ch;
                sizeh->width_inc = xw.cw;
                sizeh->width = xw.w;
                sizeh->height_inc = xw.ch;
                sizeh->width_inc = xw.cw;

-               sizeh->base_height = 2*BORDER;
-               sizeh->base_width = 2*BORDER;
+               sizeh->base_height = 2*borderpx;
+               sizeh->base_width = 2*borderpx;

        } else {
                sizeh->flags = PMaxSize | PMinSize;
                sizeh->min_width = sizeh->max_width = xw.fw;
        } else {
                sizeh->flags = PMaxSize | PMinSize;
                sizeh->min_width = sizeh->max_width = xw.fw;


@@ -2127,52 +2270,93 @@ xhints(void) {
        XFree(sizeh);
 }
 
        XFree(sizeh);
 }
 

-void
-xinitfont(Font *f, char *fontstr) {
-       FcPattern *pattern, *match;
+int
+xloadfont(Font *f, FcPattern *pattern) {
+       FcPattern *match;

        FcResult result;
 
        FcResult result;
 

-       pattern = FcNameParse((FcChar8 *)fontstr);
-       if(!pattern)
-               die("st: can't open font %s\n", fontstr);
-

        match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
        match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);

-       FcPatternDestroy(pattern);

        if(!match)
        if(!match)

-               die("st: can't open font %s\n", fontstr);
-       if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
+               return 1;
+       if(!(f->set = XftFontOpenPattern(xw.dpy, match))) {

                FcPatternDestroy(match);
                FcPatternDestroy(match);

-               die("st: can't open font %s.\n", fontstr);
+               return 1;

        }
 
        }
 

-       f->ascent = f->xft_set->ascent;
-       f->descent = f->xft_set->descent;
+       f->ascent = f->set->ascent;
+       f->descent = f->set->descent;

        f->lbearing = 0;
        f->lbearing = 0;

-       f->rbearing = f->xft_set->max_advance_width;
+       f->rbearing = f->set->max_advance_width;

 
 

-       f->height = f->xft_set->height;
+       f->height = f->set->height;

        f->width = f->lbearing + f->rbearing;
        f->width = f->lbearing + f->rbearing;

+
+       return 0;

 }
 
 void
 }
 
 void

-initfonts(char *fontstr) {
-       char *fstr;
+xloadfonts(char *fontstr, int fontsize) {
+       FcPattern *pattern;
+       FcResult result;
+       double fontval;
+
+       if(fontstr[0] == '-') {
+               pattern = XftXlfdParse(fontstr, False, False);
+       } else {
+               pattern = FcNameParse((FcChar8 *)fontstr);
+       }
+
+       if(!pattern)
+               die("st: can't open font %s\n", fontstr);

 
 

-       xinitfont(&dc.font, fontstr);
+       if(fontsize > 0) {
+               FcPatternDel(pattern, FC_PIXEL_SIZE);
+               FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+               usedfontsize = fontsize;
+       } else {
+               result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+               if(result == FcResultMatch) {
+                       usedfontsize = (int)fontval;
+               } else {
+                       /*
+                        * Default font size is 12, if none given. This is to
+                        * have a known usedfontsize value.
+                        */
+                       FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+                       usedfontsize = 12;
+               }
+       }
+
+       if(xloadfont(&dc.font, pattern))
+               die("st: can't open font %s\n", fontstr);
+
+       /* Setting character width and height. */

        xw.cw = dc.font.width;
        xw.ch = dc.font.height;
 
        xw.cw = dc.font.width;
        xw.ch = dc.font.height;
 

-       fstr = smstrcat(fontstr, ":weight=bold", NULL);
-       xinitfont(&dc.bfont, fstr);
-       free(fstr);
+       FcPatternDel(pattern, FC_WEIGHT);
+       FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+       if(xloadfont(&dc.bfont, pattern))
+               die("st: can't open font %s\n", fontstr);

 
 

-       fstr = smstrcat(fontstr, ":slant=italic,oblique", NULL);
-       xinitfont(&dc.ifont, fstr);
-       free(fstr);
+       FcPatternDel(pattern, FC_SLANT);
+       FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+       if(xloadfont(&dc.ibfont, pattern))
+               die("st: can't open font %s\n", fontstr);
+
+       FcPatternDel(pattern, FC_WEIGHT);
+       if(xloadfont(&dc.ifont, pattern))
+               die("st: can't open font %s\n", fontstr);
+
+       FcPatternDestroy(pattern);
+}

 
 

-       fstr = smstrcat(fontstr, ":weight=bold:slant=italic,oblique", NULL);
-       xinitfont(&dc.ibfont, fstr);
-       free(fstr);
+void
+xzoom(const Arg *arg)
+{
+       xloadfonts(usedfont, usedfontsize + arg->i);
+       cresize(0, 0);
+       draw();

 }
 
 void
 }
 
 void


@@ -2188,7 +2372,8 @@ xinit(void) {
        xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
        /* font */
        xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
        /* font */

-       initfonts((opt_font != NULL)? opt_font : FONT);
+       usedfont = (opt_font == NULL)? font : opt_font;
+       xloadfonts(usedfont, 0);

 
        /* colors */
        xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
 
        /* colors */
        xw.cmap = XDefaultColormap(xw.dpy, xw.scr);


@@ -2207,14 +2392,14 @@ xinit(void) {
                xw.w = xw.fw;
        } else {
                /* window - default size */
                xw.w = xw.fw;
        } else {
                /* window - default size */

-               xw.h = 2*BORDER + term.row * xw.ch;
-               xw.w = 2*BORDER + term.col * xw.cw;
+               xw.h = 2*borderpx + term.row * xw.ch;
+               xw.w = 2*borderpx + term.col * xw.cw;

                xw.fx = 0;
                xw.fy = 0;
        }
 
                xw.fx = 0;
                xw.fy = 0;
        }
 

-       attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
-       attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
+       attrs.background_pixel = dc.col[defaultbg].pixel;
+       attrs.border_pixel = dc.col[defaultbg].pixel;

        attrs.bit_gravity = NorthWestGravity;
        attrs.event_mask = FocusChangeMask | KeyPressMask
                | ExposureMask | VisibilityChangeMask | StructureNotifyMask
        attrs.bit_gravity = NorthWestGravity;
        attrs.event_mask = FocusChangeMask | KeyPressMask
                | ExposureMask | VisibilityChangeMask | StructureNotifyMask


@@ -2235,15 +2420,13 @@ xinit(void) {
        xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
 
        /* Xft rendering context */
        xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
 
        /* Xft rendering context */

-       xw.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+       xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);

 
        /* input methods */
        xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
        xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
                                           | XIMStatusNothing, XNClientWindow, xw.win,
                                           XNFocusWindow, xw.win, NULL);
 
        /* input methods */
        xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
        xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
                                           | XIMStatusNothing, XNClientWindow, xw.win,
                                           XNFocusWindow, xw.win, NULL);

-       /* gc */
-       dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);

 
        /* white cursor, black outline */
        cursor = XCreateFontCursor(xw.dpy, XC_xterm);
 
        /* white cursor, black outline */
        cursor = XCreateFontCursor(xw.dpy, XC_xterm);


@@ -2264,45 +2447,42 @@ xinit(void) {
 
 void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 
 void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {

-       int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch,
-           width = charlen*xw.cw;
+       int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
+           width = charlen * xw.cw;

        Font *font = &dc.font;
        XGlyphInfo extents;
        Font *font = &dc.font;
        XGlyphInfo extents;

-       XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
+       Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],

                 *temp, revfg, revbg;
        XRenderColor colfg, colbg;
 
                 *temp, revfg, revbg;
        XRenderColor colfg, colbg;
 

-       if(base.mode & ATTR_REVERSE)
-               temp = fg, fg = bg, bg = temp;
-

        if(base.mode & ATTR_BOLD) {
                if(BETWEEN(base.fg, 0, 7)) {
                        /* basic system colors */
        if(base.mode & ATTR_BOLD) {
                if(BETWEEN(base.fg, 0, 7)) {
                        /* basic system colors */

-                       fg = &dc.xft_col[base.fg + 8];
+                       fg = &dc.col[base.fg + 8];

                } else if(BETWEEN(base.fg, 16, 195)) {
                        /* 256 colors */
                } else if(BETWEEN(base.fg, 16, 195)) {
                        /* 256 colors */

-                       fg = &dc.xft_col[base.fg + 36];
+                       fg = &dc.col[base.fg + 36];

                } else if(BETWEEN(base.fg, 232, 251)) {
                        /* greyscale */
                } else if(BETWEEN(base.fg, 232, 251)) {
                        /* greyscale */

-                       fg = &dc.xft_col[base.fg + 4];
+                       fg = &dc.col[base.fg + 4];

                }
                /*
                 * Those ranges will not be brightened:
                 *      8 - 15 – bright system colors
                 *      196 - 231 – highest 256 color cube
                }
                /*
                 * Those ranges will not be brightened:
                 *      8 - 15 – bright system colors
                 *      196 - 231 – highest 256 color cube

-                *      252 - 255 – brightest colors in grescale
+                *      252 - 255 – brightest colors in greyscale

                 */
                font = &dc.bfont;
        }
 
        if(base.mode & ATTR_ITALIC)
                font = &dc.ifont;
                 */
                font = &dc.bfont;
        }
 
        if(base.mode & ATTR_ITALIC)
                font = &dc.ifont;

-       if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+       if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))

                font = &dc.ibfont;
 
        if(IS_SET(MODE_REVERSE)) {
                font = &dc.ibfont;
 
        if(IS_SET(MODE_REVERSE)) {

-               if(fg == &dc.xft_col[DefaultFG]) {
-                       fg = &dc.xft_col[DefaultBG];
+               if(fg == &dc.col[defaultfg]) {
+                       fg = &dc.col[defaultbg];

                } else {
                        colfg.red = ~fg->color.red;
                        colfg.green = ~fg->color.green;
                } else {
                        colfg.red = ~fg->color.red;
                        colfg.green = ~fg->color.green;


@@ -2312,8 +2492,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                        fg = &revfg;
                }
 
                        fg = &revfg;
                }
 

-               if(bg == &dc.xft_col[DefaultBG]) {
-                       bg = &dc.xft_col[DefaultFG];
+               if(bg == &dc.col[defaultbg]) {
+                       bg = &dc.col[defaultfg];

                } else {
                        colbg.red = ~bg->color.red;
                        colbg.green = ~bg->color.green;
                } else {
                        colbg.red = ~bg->color.red;
                        colbg.green = ~bg->color.green;


@@ -2324,16 +2504,33 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                }
        }
 
                }
        }
 

-       XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen,
+       if(base.mode & ATTR_REVERSE)
+               temp = fg, fg = bg, bg = temp;
+
+       XftTextExtentsUtf8(xw.dpy, font->set, (FcChar8 *)s, bytelen,

                        &extents);
        width = extents.xOff;
 
                        &extents);
        width = extents.xOff;
 

-       XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch);
-       XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx,
+       /* Intelligent cleaning up of the borders. */
+       if(x == 0) {
+               xclear(0, (y == 0)? 0 : winy, borderpx,
+                       winy + xw.ch + (y == term.row-1)? xw.h : 0);
+       }
+       if(x + charlen >= term.col-1) {
+               xclear(winx + width, (y == 0)? 0 : winy, xw.w,
+                       (y == term.row-1)? xw.h : (winy + xw.ch));
+       }
+       if(y == 0)
+               xclear(winx, 0, winx + width, borderpx);
+       if(y == term.row-1)
+               xclear(winx, winy + xw.ch, winx + width, xw.h);
+
+       XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
+       XftDrawStringUtf8(xw.draw, fg, font->set, winx,

                        winy + font->ascent, (FcChar8 *)s, bytelen);
 
        if(base.mode & ATTR_UNDERLINE) {
                        winy + font->ascent, (FcChar8 *)s, bytelen);
 
        if(base.mode & ATTR_UNDERLINE) {

-               XftDrawRect(xw.xft_draw, fg, winx, winy + font->ascent + 1,
+               XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,

                                width, 1);
        }
 }
                                width, 1);
        }
 }


@@ -2342,7 +2539,7 @@ void
 xdrawcursor(void) {
        static int oldx = 0, oldy = 0;
        int sl;
 xdrawcursor(void) {
        static int oldx = 0, oldy = 0;
        int sl;

-       Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0};
+       Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};

 
        LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);
 
        LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);


@@ -2360,12 +2557,12 @@ xdrawcursor(void) {
        }
 
        /* draw the new one */
        }
 
        /* draw the new one */

-       if(!(term.c.state & CURSOR_HIDE)) {
+       if(!(IS_SET(MODE_HIDE))) {

                if(!(xw.state & WIN_FOCUSED))
                if(!(xw.state & WIN_FOCUSED))

-                       g.bg = DefaultUCS;
+                       g.bg = defaultucs;

 
                if(IS_SET(MODE_REVERSE))
 
                if(IS_SET(MODE_REVERSE))

-                       g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
+                       g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;

 
                sl = utf8size(g.c);
                xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
 
                sl = utf8size(g.c);
                xdraws(g.c, g, term.c.x, term.c.y, 1, sl);


@@ -2382,7 +2579,6 @@ void
 redraw(void) {
        struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
 
 redraw(void) {
        struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
 

-       xclearborders();

        tfulldirt();
        draw();
        XSync(xw.dpy, False); /* necessary for a good tput flash */
        tfulldirt();
        draw();
        XSync(xw.dpy, False); /* necessary for a good tput flash */


@@ -2402,9 +2598,9 @@ drawregion(int x1, int y1, int x2, int y2) {
        int ic, ib, x, y, ox, sl;
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];
        int ic, ib, x, y, ox, sl;
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];

-       bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN);
+       bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN) != 0;

 
 

-       if((sel.alt && !alt) || (!sel.alt && alt))
+       if((sel.alt != 0) ^ alt)

                ena_sel = 0;
        if(!(xw.state & WIN_VISIBLE))
                return;
                ena_sel = 0;
        if(!(xw.state & WIN_VISIBLE))
                return;


@@ -2483,26 +2679,44 @@ xseturgency(int add) {
 void
 focus(XEvent *ev) {
        if(ev->type == FocusIn) {
 void
 focus(XEvent *ev) {
        if(ev->type == FocusIn) {

+               XSetICFocus(xw.xic);

                xw.state |= WIN_FOCUSED;
                xseturgency(0);
        } else {
                xw.state |= WIN_FOCUSED;
                xseturgency(0);
        } else {

+               XUnsetICFocus(xw.xic);

                xw.state &= ~WIN_FOCUSED;
        }
 }
 
 char*
 kmap(KeySym k, uint state) {
                xw.state &= ~WIN_FOCUSED;
        }
 }
 
 char*
 kmap(KeySym k, uint state) {

-       int i;

        uint mask;
        uint mask;

+       Key *kp;

 
        state &= ~Mod2Mask;
 
        state &= ~Mod2Mask;

-       for(i = 0; i < LEN(key); i++) {
-               mask = key[i].mask;
+       for(kp = key; kp < key + LEN(key); kp++) {
+               mask = kp->mask;

 
 

-               if(key[i].k == k && ((state & mask) == mask
-                               || (mask == XK_NO_MOD && !state))) {
-                       return (char*)key[i].s;
+               if(kp->k != k)
+                       continue;
+               if((state & mask) != mask &&
+                               (mask == XK_NO_MOD && state)) {
+                       continue;
+               }
+               if((kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) ||
+                               (kp->appkey > 0 && !IS_SET(MODE_APPKEYPAD))) {
+                       continue;
+               }
+               if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
+                               (kp->appcursor > 0 && !IS_SET(MODE_APPCURSOR))) {
+                       continue;
+               }
+               if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
+                               (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+                       continue;

                }
                }

+
+               return kp->s;

        }
        return NULL;
 }
        }
        return NULL;
 }


@@ -2511,59 +2725,47 @@ void
 kpress(XEvent *ev) {
        XKeyEvent *e = &ev->xkey;
        KeySym ksym;
 kpress(XEvent *ev) {
        XKeyEvent *e = &ev->xkey;
        KeySym ksym;

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

        Status status;
 
        if (IS_SET(MODE_KBDLOCK))
                return;
 
        Status status;
 
        if (IS_SET(MODE_KBDLOCK))
                return;
 

-       meta = e->state & Mod1Mask;
-       shift = e->state & ShiftMask;
-       len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
+       len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
+
+       /* 1. shortcuts */
+       for(i = 0; i < LEN(shortcuts); i++) {
+               if((ksym == shortcuts[i].keysym)
+                               && (CLEANMASK(shortcuts[i].mod) == \
+                                       CLEANMASK(e->state))
+                               && shortcuts[i].func) {
+                       shortcuts[i].func(&(shortcuts[i].arg));
+               }
+       }

 
 

-       /* 1. custom keys from config.h */
+       /* 2. custom keys from config.h */

        if((customkey = kmap(ksym, e->state))) {
        if((customkey = kmap(ksym, e->state))) {

-               ttywrite(customkey, strlen(customkey));
+               len = strlen(customkey);
+               memcpy(buf, customkey, len);

        /* 2. hardcoded (overrides X lookup) */
        } else {
        /* 2. hardcoded (overrides X lookup) */
        } else {

-               switch(ksym) {
-               case XK_Up:
-               case XK_Down:
-               case XK_Left:
-               case XK_Right:
-                       /* XXX: shift up/down doesn't work */
-                       sprintf(buf, "\033%c%c",
-                               IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
-                               (shift ? "dacb":"DACB")[ksym - XK_Left]);
-                       ttywrite(buf, 3);
-                       break;
-               case XK_Insert:
-                       if(shift)
-                               selpaste();
-                       break;
-               case XK_Return:
-                       if(IS_SET(MODE_CRLF)) {
-                               ttywrite("\r\n", 2);
-                       } else {
-                               ttywrite("\r", 1);
-                       }
-                       break;
-                       /* 3. X lookup  */
-               default:
-                       if(len > 0) {
-                               if(meta && len == 1)
-                                       ttywrite("\033", 1);
-                               ttywrite(buf, len);
-                       }
-                       break;
-               }
+               if(len == 0)
+                       return;
+
+               if (len == 1 && e->state & Mod1Mask)
+                       *cp++ = '\033';
+
+               memcpy(cp, xstr, len);
+               len = cp - buf + len;

        }
        }

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

 }
 
 }
 

+

 void
 cmessage(XEvent *e) {
        /* See xembed specs
 void
 cmessage(XEvent *e) {
        /* See xembed specs


@@ -2583,25 +2785,31 @@ cmessage(XEvent *e) {
 }
 
 void
 }
 
 void

-resize(XEvent *e) {
+cresize(int width, int height)
+{

        int col, row;
 
        int col, row;
 

-       if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
-               return;
+       if(width != 0)
+               xw.w = width;
+       if(height != 0)
+               xw.h = height;

 
 

-       xw.w = e->xconfigure.width;
-       xw.h = e->xconfigure.height;
-       col = (xw.w - 2*BORDER) / xw.cw;
-       row = (xw.h - 2*BORDER) / xw.ch;
-       if(col == term.col && row == term.row)
-               return;
+       col = (xw.w - 2*borderpx) / xw.cw;
+       row = (xw.h - 2*borderpx) / xw.ch;

 
        tresize(col, row);
        xresize(col, row);
 
        tresize(col, row);
        xresize(col, row);

-       xclearborders();

        ttyresize();
 }
 
        ttyresize();
 }
 

+void
+resize(XEvent *e) {
+       if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
+               return;
+
+       cresize(e->xconfigure.width, e->xconfigure.height);
+}
+

 void
 run(void) {
        XEvent ev;
 void
 run(void) {
        XEvent ev;


@@ -2640,7 +2848,7 @@ run(void) {
 
                while(XPending(xw.dpy)) {
                        XNextEvent(xw.dpy, &ev);
 
                while(XPending(xw.dpy)) {
                        XNextEvent(xw.dpy, &ev);

-                       if(XFilterEvent(&ev, xw.win))
+                       if(XFilterEvent(&ev, None))

                                continue;
                        if(handler[ev.type])
                                (handler[ev.type])(&ev);
                                continue;
                        if(handler[ev.type])
                                (handler[ev.type])(&ev);


@@ -2666,7 +2874,7 @@ main(int argc, char *argv[]) {
                                opt_class = argv[i];
                        break;
                case 'e':
                                opt_class = argv[i];
                        break;
                case 'e':

-                       /* eat every remaining arguments */
+                       /* eat all remaining arguments */

                        if(++i < argc)
                                opt_cmd = &argv[i];
                        goto run;
                        if(++i < argc)
                                opt_cmd = &argv[i];
                        goto run;


@@ -2715,11 +2923,13 @@ main(int argc, char *argv[]) {
 
 run:
        setlocale(LC_CTYPE, "");
 
 run:
        setlocale(LC_CTYPE, "");

+       XSetLocaleModifiers("");

        tnew(80, 24);
        tnew(80, 24);

-       ttynew();

        xinit();
        xinit();

+       ttynew();

        selinit();
        run();
        selinit();
        run();

+

        return 0;
 }
 
        return 0;
 }