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Removing unneeded comments.
[st.git] / st.c
diff --git a/st.c b/st.c
index a440959..9587886 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1,5 +1,4 @@
 /* See LICENSE for licence details. */
 /* See LICENSE for licence details. */
-#define _XOPEN_SOURCE 600
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -25,10 +24,13 @@
 #include <X11/Xutil.h>
 #include <X11/cursorfont.h>
 #include <X11/keysym.h>
 #include <X11/Xutil.h>
 #include <X11/cursorfont.h>
 #include <X11/keysym.h>
-#include <X11/extensions/Xdbe.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>
 
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>
 
+#include "arg.h"
+
+char *argv0;
+
 #define Glyph Glyph_
 #define Font Font_
 #define Draw XftDraw *
 #define Glyph Glyph_
 #define Font Font_
 #define Draw XftDraw *
@@ -43,24 +45,21 @@
  #include <libutil.h>
 #endif
 
  #include <libutil.h>
 #endif
 
-#define USAGE \
-       "st " VERSION " (c) 2010-2012 st engineers\n" \
-       "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
-       " [-t title] [-w windowid] [-e command ...]\n"
 
 /* XEMBED messages */
 #define XEMBED_FOCUS_IN  4
 #define XEMBED_FOCUS_OUT 5
 
 /* Arbitrary sizes */
 
 /* XEMBED messages */
 #define XEMBED_FOCUS_IN  4
 #define XEMBED_FOCUS_OUT 5
 
 /* Arbitrary sizes */
-#define ESC_BUF_SIZ   256
+#define UTF_SIZ       4
+#define ESC_BUF_SIZ   (128*UTF_SIZ)
 #define ESC_ARG_SIZ   16
 #define ESC_ARG_SIZ   16
-#define STR_BUF_SIZ   256
-#define STR_ARG_SIZ   16
+#define STR_BUF_SIZ   ESC_BUF_SIZ
+#define STR_ARG_SIZ   ESC_ARG_SIZ
 #define DRAW_BUF_SIZ  20*1024
 #define DRAW_BUF_SIZ  20*1024
-#define UTF_SIZ       4
 #define XK_ANY_MOD    UINT_MAX
 #define XK_NO_MOD     0
 #define XK_ANY_MOD    UINT_MAX
 #define XK_NO_MOD     0
+#define XK_SWITCH_MOD (1<<13)
 
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 
 
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 
@@ -117,7 +116,8 @@ enum term_mode {
        MODE_KBDLOCK     = 256,
        MODE_HIDE        = 512,
        MODE_ECHO        = 1024,
        MODE_KBDLOCK     = 256,
        MODE_HIDE        = 512,
        MODE_ECHO        = 1024,
-       MODE_APPCURSOR   = 2048
+       MODE_APPCURSOR   = 2048,
+       MODE_MOUSESGR    = 4096,
 };
 
 enum escape_state {
 };
 
 enum escape_state {
@@ -135,6 +135,11 @@ enum window_state {
        WIN_FOCUSED = 4
 };
 
        WIN_FOCUSED = 4
 };
 
+enum selection_type {
+       SEL_REGULAR = 1,
+       SEL_RECTANGULAR = 2
+};
+
 /* bit macro */
 #undef B0
 enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
 /* bit macro */
 #undef B0
 enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
@@ -152,7 +157,7 @@ typedef struct {
        uchar state; /* state flags    */
 } Glyph;
 
        uchar state; /* state flags    */
 } Glyph;
 
-typedef Glyph* Line;
+typedef Glyph *Line;
 
 typedef struct {
        Glyph attr;      /* current char attributes */
 
 typedef struct {
        Glyph attr;      /* current char attributes */
@@ -168,7 +173,7 @@ typedef struct {
        int len;               /* raw string length */
        char priv;
        int arg[ESC_ARG_SIZ];
        int len;               /* raw string length */
        char priv;
        int arg[ESC_ARG_SIZ];
-       int narg;             /* nb of args */
+       int narg;              /* nb of args */
        char mode;
 } CSIEscape;
 
        char mode;
 } CSIEscape;
 
@@ -203,7 +208,7 @@ typedef struct {
        Display *dpy;
        Colourmap cmap;
        Window win;
        Display *dpy;
        Colourmap cmap;
        Window win;
-       XdbeBackBuffer buf;
+       Drawable buf;
        Atom xembed, wmdeletewin;
        XIM xim;
        XIC xic;
        Atom xembed, wmdeletewin;
        XIM xim;
        XIC xic;
@@ -213,8 +218,7 @@ typedef struct {
        bool isfixed; /* is fixed geometry? */
        int fx, fy, fw, fh; /* fixed geometry */
        int tw, th; /* tty width and height */
        bool isfixed; /* is fixed geometry? */
        int fx, fy, fw, fh; /* fixed geometry */
        int tw, th; /* tty width and height */
-       int w;  /* window width */
-       int h;  /* window height */
+       int w, h; /* window width and height */
        int ch; /* char height */
        int cw; /* char width  */
        char state; /* focus, redraw, visible */
        int ch; /* char height */
        int cw; /* char width  */
        char state; /* focus, redraw, visible */
@@ -233,6 +237,7 @@ typedef struct {
 /* TODO: use better name for vars... */
 typedef struct {
        int mode;
 /* TODO: use better name for vars... */
 typedef struct {
        int mode;
+       int type;
        int bx, by;
        int ex, ey;
        struct {
        int bx, by;
        int ex, ey;
        struct {
@@ -260,9 +265,10 @@ typedef struct {
 } Shortcut;
 
 /* function definitions used in config.h */
 } Shortcut;
 
 /* function definitions used in config.h */
-static void xzoom(const Arg *);
-static void selpaste(const Arg *);
+static void clippaste(const Arg *);
 static void numlock(const Arg *);
 static void numlock(const Arg *);
+static void selpaste(const Arg *);
+static void xzoom(const Arg *);
 
 /* Config.h for applying patches and the configuration. */
 #include "config.h"
 
 /* Config.h for applying patches and the configuration. */
 #include "config.h"
@@ -284,11 +290,12 @@ typedef struct {
 typedef struct {
        Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
        Font font, bfont, ifont, ibfont;
 typedef struct {
        Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
        Font font, bfont, ifont, ibfont;
+       GC gc;
 } DC;
 
 static void die(const char *, ...);
 static void draw(void);
 } DC;
 
 static void die(const char *, ...);
 static void draw(void);
-static void redraw(void);
+static void redraw(int);
 static void drawregion(int, int, int, int);
 static void execsh(void);
 static void sigchld(int);
 static void drawregion(int, int, int, int);
 static void execsh(void);
 static void sigchld(int);
@@ -340,8 +347,10 @@ static void xclear(int, int, int, int);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
+static int xsetcolorname(int, const char *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(char *, int);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(char *, int);
+static void xsettitle(char *);
 static void xresettitle(void);
 static void xseturgency(int);
 static void xsetsel(char*);
 static void xresettitle(void);
 static void xseturgency(int);
 static void xsetsel(char*);
@@ -436,8 +445,8 @@ typedef struct {
  * the current length of used elements.
  */
 
  * the current length of used elements.
  */
 
-static Fontcache frc[256];
-static int frccur = 0, frclen = 0;
+static Fontcache frc[1024];
+static int frccur = -1, frclen = 0;
 
 ssize_t
 xwrite(int fd, char *s, size_t len) {
 
 ssize_t
 xwrite(int fd, char *s, size_t len) {
@@ -640,17 +649,25 @@ selected(int x, int y) {
        if(sel.ey == y && sel.by == y) {
                bx = MIN(sel.bx, sel.ex);
                ex = MAX(sel.bx, sel.ex);
        if(sel.ey == y && sel.by == y) {
                bx = MIN(sel.bx, sel.ex);
                ex = MAX(sel.bx, sel.ex);
+
                return BETWEEN(x, bx, ex);
        }
 
                return BETWEEN(x, bx, ex);
        }
 
+       if(sel.type == SEL_RECTANGULAR) {
+               return ((sel.b.y <= y && y <= sel.e.y)
+                       && (sel.b.x <= x && x <= sel.e.x));
+       }
        return ((sel.b.y < y && 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));
+               || (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
 getbuttoninfo(XEvent *e) {
 }
 
 void
 getbuttoninfo(XEvent *e) {
+       int type;
+       uint state = e->xbutton.state &~Button1Mask;
+
        sel.alt = IS_SET(MODE_ALTSCREEN);
 
        sel.ex = x2col(e->xbutton.x);
        sel.alt = IS_SET(MODE_ALTSCREEN);
 
        sel.ex = x2col(e->xbutton.x);
@@ -660,15 +677,22 @@ getbuttoninfo(XEvent *e) {
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
        sel.e.y = MAX(sel.by, sel.ey);
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
        sel.e.y = MAX(sel.by, sel.ey);
+
+       sel.type = SEL_REGULAR;
+       for(type = 1; type < LEN(selmasks); ++type) {
+               if(match(selmasks[type], state)) {
+                       sel.type = type;
+                       break;
+               }
+       }
 }
 
 void
 mousereport(XEvent *e) {
 }
 
 void
 mousereport(XEvent *e) {
-       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 x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
+           button = e->xbutton.button, state = e->xbutton.state,
+           len;
+       char buf[40];
        static int ob, ox, oy;
 
        /* from urxvt */
        static int ob, ox, oy;
 
        /* from urxvt */
@@ -677,7 +701,9 @@ mousereport(XEvent *e) {
                        return;
                button = ob + 32;
                ox = x, oy = y;
                        return;
                button = ob + 32;
                ox = x, oy = y;
-       } else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
+       } else if(!IS_SET(MODE_MOUSESGR)
+                       && (e->xbutton.type == ButtonRelease
+                               || button == AnyButton)) {
                button = 3;
        } else {
                button -= Button1;
                button = 3;
        } else {
                button -= Button1;
@@ -689,11 +715,23 @@ mousereport(XEvent *e) {
                }
        }
 
                }
        }
 
-       buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
+       button += (state & ShiftMask   ? 4  : 0)
                + (state & Mod4Mask    ? 8  : 0)
                + (state & ControlMask ? 16 : 0);
 
                + (state & Mod4Mask    ? 8  : 0)
                + (state & ControlMask ? 16 : 0);
 
-       ttywrite(buf, sizeof(buf));
+       len = 0;
+       if(IS_SET(MODE_MOUSESGR)) {
+               len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+                               button, x+1, y+1,
+                               e->xbutton.type == ButtonRelease ? 'm' : 'M');
+       } else if(x < 223 && y < 223) {
+               len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+                               32+button, 32+x+1, 32+y+1);
+       } else {
+               return;
+       }
+
+       ttywrite(buf, len);
 }
 
 void
 }
 
 void
@@ -707,6 +745,7 @@ bpress(XEvent *e) {
                        draw();
                }
                sel.mode = 1;
                        draw();
                }
                sel.mode = 1;
+               sel.type = SEL_REGULAR;
                sel.ex = sel.bx = x2col(e->xbutton.x);
                sel.ey = sel.by = y2row(e->xbutton.y);
        } else if(e->xbutton.button == Button4) {
                sel.ex = sel.bx = x2col(e->xbutton.x);
                sel.ey = sel.by = y2row(e->xbutton.y);
        } else if(e->xbutton.button == Button4) {
@@ -719,7 +758,7 @@ bpress(XEvent *e) {
 void
 selcopy(void) {
        char *str, *ptr, *p;
 void
 selcopy(void) {
        char *str, *ptr, *p;
-       int x, y, bufsize, is_selected = 0, size;
+       int x, y, bufsize, isselected = 0, size;
        Glyph *gp, *last;
 
        if(sel.bx == -1) {
        Glyph *gp, *last;
 
        if(sel.bx == -1) {
@@ -729,24 +768,38 @@ selcopy(void) {
                ptr = str = xmalloc(bufsize);
 
                /* append every set & selected glyph to the selection */
                ptr = str = xmalloc(bufsize);
 
                /* append every set & selected glyph to the selection */
-               for(y = 0; y < term.row; y++) {
+               for(y = sel.b.y; y < sel.e.y + 1; y++) {
+                       isselected = 0;
                        gp = &term.line[y][0];
                        last = gp + term.col;
 
                        gp = &term.line[y][0];
                        last = gp + term.col;
 
-                       while(--last >= gp && !(last->state & GLYPH_SET))
+                       while(--last >= gp && !((last->state & GLYPH_SET) && \
+                                               selected(last - gp, y) && strcmp(last->c, " ") != 0))
                                /* nothing */;
 
                        for(x = 0; gp <= last; x++, ++gp) {
                                /* nothing */;
 
                        for(x = 0; gp <= last; x++, ++gp) {
-                               if(!(is_selected = selected(x, y)))
+                               if(!selected(x, y)) {
                                        continue;
                                        continue;
+                               } else {
+                                       isselected = 1;
+                               }
 
                                p = (gp->state & GLYPH_SET) ? gp->c : " ";
                                size = utf8size(p);
                                memcpy(ptr, p, size);
                                ptr += size;
                        }
 
                                p = (gp->state & GLYPH_SET) ? gp->c : " ";
                                size = utf8size(p);
                                memcpy(ptr, p, size);
                                ptr += size;
                        }
-                       /* \n at the end of every selected line except for the last one */
-                       if(is_selected && y < sel.e.y)
+
+                       /*
+                        * Copy and pasting of line endings is inconsistent
+                        * in the inconsistent terminal and GUI world.
+                        * The best solution seems like to produce '\n' when
+                        * something is copied from st and convert '\n' to
+                        * '\r', when something to be pasted is received by
+                        * st.
+                        * FIXME: Fix the computer world.
+                        */
+                       if(isselected && y < sel.e.y)
                                *ptr++ = '\n';
                }
                *ptr = 0;
                                *ptr++ = '\n';
                }
                *ptr = 0;
@@ -758,7 +811,7 @@ void
 selnotify(XEvent *e) {
        ulong nitems, ofs, rem;
        int format;
 selnotify(XEvent *e) {
        ulong nitems, ofs, rem;
        int format;
-       uchar *data;
+       uchar *data, *last, *repl;
        Atom type;
 
        ofs = 0;
        Atom type;
 
        ofs = 0;
@@ -769,7 +822,21 @@ selnotify(XEvent *e) {
                        fprintf(stderr, "Clipboard allocation failed\n");
                        return;
                }
                        fprintf(stderr, "Clipboard allocation failed\n");
                        return;
                }
-               ttywrite((const char *) data, nitems * format / 8);
+
+               /*
+                * As seen in selcopy:
+                * Line endings are inconsistent in the terminal and GUI world
+                * copy and pasting. When receiving some selection data,
+                * replace all '\n' with '\r'.
+                * FIXME: Fix the computer world.
+                */
+               repl = data;
+               last = data + nitems * format / 8;
+               while((repl = memchr(repl, '\n', last - repl))) {
+                       *repl++ = '\r';
+               }
+
+               ttywrite((const char *)data, nitems * format / 8);
                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;
                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;
@@ -782,7 +849,17 @@ selpaste(const Arg *dummy) {
                        xw.win, CurrentTime);
 }
 
                        xw.win, CurrentTime);
 }
 
-void selclear(XEvent *e) {
+void
+clippaste(const Arg *dummy) {
+       Atom clipboard;
+
+       clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+       XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
+                       xw.win, CurrentTime);
+}
+
+void
+selclear(XEvent *e) {
        if(sel.bx == -1)
                return;
        sel.bx = -1;
        if(sel.bx == -1)
                return;
        sel.bx = -1;
@@ -890,7 +967,7 @@ brelease(XEvent *e) {
 
 void
 bmotion(XEvent *e) {
 
 void
 bmotion(XEvent *e) {
-       int starty, endy, oldey, oldex;
+       int oldey, oldex, oldsby, oldsey;
 
        if(IS_SET(MODE_MOUSE)) {
                mousereport(e);
 
        if(IS_SET(MODE_MOUSE)) {
                mousereport(e);
@@ -902,12 +979,12 @@ bmotion(XEvent *e) {
 
        oldey = sel.ey;
        oldex = sel.ex;
 
        oldey = sel.ey;
        oldex = sel.ex;
+       oldsby = sel.b.y;
+       oldsey = sel.e.y;
        getbuttoninfo(e);
 
        if(oldey != sel.ey || oldex != sel.ex) {
        getbuttoninfo(e);
 
        if(oldey != sel.ey || oldex != sel.ex) {
-               starty = MIN(oldey, sel.ey);
-               endy = MAX(oldey, sel.ey);
-               tsetdirt(starty, endy);
+               tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
        }
 }
 
        }
 }
 
@@ -1118,23 +1195,10 @@ treset(void) {
 
 void
 tnew(int col, int row) {
 
 void
 tnew(int col, int row) {
-       /* set screen size */
-       term.row = row;
-       term.col = col;
-       term.line = xmalloc(term.row * sizeof(Line));
-       term.alt  = xmalloc(term.row * sizeof(Line));
-       term.dirty = xmalloc(term.row * sizeof(*term.dirty));
-       term.tabs = xmalloc(term.col * sizeof(*term.tabs));
-
-       for(row = 0; row < term.row; row++) {
-               term.line[row] = xmalloc(term.col * sizeof(Glyph));
-               term.alt [row] = xmalloc(term.col * sizeof(Glyph));
-               term.dirty[row] = 0;
-       }
-
+       memset(&term, 0, sizeof(Term));
+       tresize(col, row);
        term.numlock = 1;
        term.numlock = 1;
-       memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-       /* setup screen */
+
        treset();
 }
 
        treset();
 }
 
@@ -1199,13 +1263,20 @@ selscroll(int orig, int n) {
                        sel.bx = -1;
                        return;
                }
                        sel.bx = -1;
                        return;
                }
-               if(sel.by < term.top) {
-                       sel.by = term.top;
-                       sel.bx = 0;
-               }
-               if(sel.ey > term.bot) {
-                       sel.ey = term.bot;
-                       sel.ex = term.col;
+               if(sel.type == SEL_RECTANGULAR) {
+                       if(sel.by < term.top)
+                               sel.by = term.top;
+                       if(sel.ey > term.bot)
+                               sel.ey = term.bot;
+               } else {
+                       if(sel.by < term.top) {
+                               sel.by = term.top;
+                               sel.bx = 0;
+                       }
+                       if(sel.ey > term.bot) {
+                               sel.ey = term.bot;
+                               sel.ex = term.col;
+                       }
                }
                sel.b.y = sel.by, sel.b.x = sel.bx;
                sel.e.y = sel.ey, sel.e.x = sel.ex;
                }
                sel.b.y = sel.by, sel.b.x = sel.bx;
                sel.e.y = sel.ey, sel.e.x = sel.ex;
@@ -1226,27 +1297,30 @@ tnewline(int first_col) {
 
 void
 csiparse(void) {
 
 void
 csiparse(void) {
-       /* int noarg = 1; */
-       char *p = csiescseq.buf;
+       char *p = csiescseq.buf, *np;
+       long int v;
 
        csiescseq.narg = 0;
 
        csiescseq.narg = 0;
-       if(*p == '?')
-               csiescseq.priv = 1, p++;
+       if(*p == '?') {
+               csiescseq.priv = 1;
+               p++;
+       }
 
 
+       csiescseq.buf[csiescseq.len] = '\0';
        while(p < csiescseq.buf+csiescseq.len) {
        while(p < csiescseq.buf+csiescseq.len) {
-               while(isdigit(*p)) {
-                       csiescseq.arg[csiescseq.narg] *= 10;
-                       csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */;
-               }
-               if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) {
-                       csiescseq.narg++, p++;
-               } else {
-                       csiescseq.mode = *p;
-                       csiescseq.narg++;
-
-                       return;
-               }
+               np = NULL;
+               v = strtol(p, &np, 10);
+               if(np == p)
+                       v = 0;
+               if(v == LONG_MAX || v == LONG_MIN)
+                       v = -1;
+               csiescseq.arg[csiescseq.narg++] = v;
+               p = np;
+               if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
+                       break;
+               p++;
        }
        }
+       csiescseq.mode = *p;
 }
 
 /* for absolute user moves, when decom is set */
 }
 
 /* for absolute user moves, when decom is set */
@@ -1318,8 +1392,11 @@ tclearregion(int x1, int y1, int x2, int y2) {
 
        for(y = y1; y <= y2; y++) {
                term.dirty[y] = 1;
 
        for(y = y1; y <= y2; y++) {
                term.dirty[y] = 1;
-               for(x = x1; x <= x2; x++)
-                       term.line[y][x].state = 0;
+               for(x = x1; x <= x2; x++) {
+                       term.line[y][x] = term.c.attr;
+                       memcpy(term.line[y][x].c, " ", 2);
+                       term.line[y][x].state |= GLYPH_SET;
+               }
        }
 }
 
        }
 }
 
@@ -1382,21 +1459,23 @@ tsetattr(int *attr, int l) {
        for(i = 0; i < l; i++) {
                switch(attr[i]) {
                case 0:
        for(i = 0; i < l; i++) {
                switch(attr[i]) {
                case 0:
-                       term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
-                                       | ATTR_ITALIC | ATTR_BLINK);
+                       term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \
+                                       | ATTR_BOLD | ATTR_ITALIC \
+                                       | ATTR_BLINK);
                        term.c.attr.fg = defaultfg;
                        term.c.attr.bg = defaultbg;
                        break;
                case 1:
                        term.c.attr.mode |= ATTR_BOLD;
                        break;
                        term.c.attr.fg = defaultfg;
                        term.c.attr.bg = defaultbg;
                        break;
                case 1:
                        term.c.attr.mode |= ATTR_BOLD;
                        break;
-               case 3: /* enter standout (highlight) */
+               case 3:
                        term.c.attr.mode |= ATTR_ITALIC;
                        break;
                case 4:
                        term.c.attr.mode |= ATTR_UNDERLINE;
                        break;
                        term.c.attr.mode |= ATTR_ITALIC;
                        break;
                case 4:
                        term.c.attr.mode |= ATTR_UNDERLINE;
                        break;
-               case 5:
+               case 5: /* slow blink */
+               case 6: /* rapid blink */
                        term.c.attr.mode |= ATTR_BLINK;
                        break;
                case 7:
                        term.c.attr.mode |= ATTR_BLINK;
                        break;
                case 7:
@@ -1406,13 +1485,14 @@ tsetattr(int *attr, int l) {
                case 22:
                        term.c.attr.mode &= ~ATTR_BOLD;
                        break;
                case 22:
                        term.c.attr.mode &= ~ATTR_BOLD;
                        break;
-               case 23: /* leave standout (highlight) mode */
+               case 23:
                        term.c.attr.mode &= ~ATTR_ITALIC;
                        break;
                case 24:
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
                case 25:
                        term.c.attr.mode &= ~ATTR_ITALIC;
                        break;
                case 24:
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
                case 25:
+               case 26:
                        term.c.attr.mode &= ~ATTR_BLINK;
                        break;
                case 27:
                        term.c.attr.mode &= ~ATTR_BLINK;
                        break;
                case 27:
@@ -1508,7 +1588,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                mode = term.mode;
                                MODBIT(term.mode, set, MODE_REVERSE);
                                if(mode != term.mode)
                                mode = term.mode;
                                MODBIT(term.mode, set, MODE_REVERSE);
                                if(mode != term.mode)
-                                       redraw();
+                                       redraw(REDRAW_TIMEOUT);
                                break;
                        case 6: /* DECOM -- Origin */
                                MODBIT(term.c.state, set, CURSOR_ORIGIN);
                                break;
                        case 6: /* DECOM -- Origin */
                                MODBIT(term.c.state, set, CURSOR_ORIGIN);
@@ -1532,22 +1612,31 @@ tsetmode(bool priv, bool set, int *args, int narg) {
                                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);
+                               MODBIT(term.mode, 0, MODE_MOUSEMOTION);
                                break;
                        case 1002:
                                MODBIT(term.mode, set, MODE_MOUSEMOTION);
                                break;
                        case 1002:
                                MODBIT(term.mode, set, MODE_MOUSEMOTION);
+                               MODBIT(term.mode, 0, MODE_MOUSEBTN);
+                               break;
+                       case 1006:
+                               MODBIT(term.mode, set, MODE_MOUSESGR);
                                break;
                        case 1049: /* = 1047 and 1048 */
                        case 47:
                                break;
                        case 1049: /* = 1047 and 1048 */
                        case 47:
-                       case 1047: {
+                       case 1047:
+                               if (!allowaltscreen)
+                                       break;
+
                                alt = IS_SET(MODE_ALTSCREEN);
                                alt = IS_SET(MODE_ALTSCREEN);
-                               if(alt)
-                                       tclearregion(0, 0, term.col-1, term.row-1);
+                               if(alt) {
+                                       tclearregion(0, 0, term.col-1,
+                                                       term.row-1);
+                               }
                                if(set ^ alt)           /* set is always 1 or 0 */
                                        tswapscreen();
                                if(*args != 1049)
                                        break;
                                if(set ^ alt)           /* set is always 1 or 0 */
                                        tswapscreen();
                                if(*args != 1049)
                                        break;
-                       }
-                               /* pass through */
+                               /* FALLTRU */
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
                        case 1048:
                                tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
                                break;
@@ -1629,7 +1718,7 @@ csihandle(void) {
                tmoveto(0, term.c.y-csiescseq.arg[0]);
                break;
        case 'g': /* TBC -- Tabulation clear */
                tmoveto(0, term.c.y-csiescseq.arg[0]);
                break;
        case 'g': /* TBC -- Tabulation clear */
-               switch (csiescseq.arg[0]) {
+               switch(csiescseq.arg[0]) {
                case 0: /* clear current tab stop */
                        term.tabs[term.c.x] = 0;
                        break;
                case 0: /* clear current tab stop */
                        term.tabs[term.c.x] = 0;
                        break;
@@ -1661,8 +1750,10 @@ csihandle(void) {
                switch(csiescseq.arg[0]) {
                case 0: /* below */
                        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
                switch(csiescseq.arg[0]) {
                case 0: /* below */
                        tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
-                       if(term.c.y < term.row-1)
-                               tclearregion(0, term.c.y+1, term.col-1, term.row-1);
+                       if(term.c.y < term.row-1) {
+                               tclearregion(0, term.c.y+1, term.col-1,
+                                               term.row-1);
+                       }
                        break;
                case 1: /* above */
                        if(term.c.y > 1)
                        break;
                case 1: /* above */
                        if(term.c.y > 1)
@@ -1679,7 +1770,8 @@ csihandle(void) {
        case 'K': /* EL -- Clear line */
                switch(csiescseq.arg[0]) {
                case 0: /* right */
        case 'K': /* EL -- Clear line */
                switch(csiescseq.arg[0]) {
                case 0: /* right */
-                       tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+                       tclearregion(term.c.x, term.c.y, term.col-1,
+                                       term.c.y);
                        break;
                case 1: /* left */
                        tclearregion(0, term.c.y, term.c.x, term.c.y);
                        break;
                case 1: /* left */
                        tclearregion(0, term.c.y, term.c.x, term.c.y);
@@ -1710,7 +1802,8 @@ csihandle(void) {
                break;
        case 'X': /* ECH -- Erase <n> char */
                DEFAULT(csiescseq.arg[0], 1);
                break;
        case 'X': /* ECH -- Erase <n> char */
                DEFAULT(csiescseq.arg[0], 1);
-               tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y);
+               tclearregion(term.c.x, term.c.y,
+                               term.c.x + csiescseq.arg[0] - 1, term.c.y);
                break;
        case 'P': /* DCH -- Delete <n> char */
                DEFAULT(csiescseq.arg[0], 1);
                break;
        case 'P': /* DCH -- Delete <n> char */
                DEFAULT(csiescseq.arg[0], 1);
@@ -1780,32 +1873,37 @@ csireset(void) {
 
 void
 strhandle(void) {
 
 void
 strhandle(void) {
-       char *p;
+       char *p = NULL;
+       int i, j, narg;
 
 
-       /*
-        * TODO: make this being useful in case of color palette change.
-        */
        strparse();
        strparse();
-
-       p = strescseq.buf;
+       narg = strescseq.narg;
 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
-               switch(p[0]) {
-               case '0':
-               case '1':
-               case '2':
-                       /*
-                        * TODO: Handle special chars in string, like umlauts.
-                        */
-                       if(p[1] == ';') {
-                               XStoreName(xw.dpy, xw.win, strescseq.buf+2);
-                       }
-                       break;
-               case ';':
-                       XStoreName(xw.dpy, xw.win, strescseq.buf+1);
+               switch(i = atoi(strescseq.args[0])) {
+               case 0:
+               case 1:
+               case 2:
+                       if(narg > 1)
+                               xsettitle(strescseq.args[1]);
                        break;
                        break;
-               case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */
+               case 4: /* color set */
+                       if(narg < 3)
+                               break;
+                       p = strescseq.args[2];
+                       /* fall through */
+               case 104: /* color reset, here p = NULL */
+                       j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+                       if (!xsetcolorname(j, p)) {
+                               fprintf(stderr, "erresc: invalid color %s\n", p);
+                       } else {
+                               /*
+                                * TODO if defaultbg color is changed, borders
+                                * are dirty
+                                */
+                               redraw(0);
+                       }
                        break;
                default:
                        fprintf(stderr, "erresc: unknown str ");
                        break;
                default:
                        fprintf(stderr, "erresc: unknown str ");
@@ -1814,7 +1912,7 @@ strhandle(void) {
                }
                break;
        case 'k': /* old title set compatibility */
                }
                break;
        case 'k': /* old title set compatibility */
-               XStoreName(xw.dpy, xw.win, strescseq.buf);
+               xsettitle(strescseq.args[0]);
                break;
        case 'P': /* DSC -- Device Control String */
        case '_': /* APC -- Application Program Command */
                break;
        case 'P': /* DSC -- Device Control String */
        case '_': /* APC -- Application Program Command */
@@ -1829,11 +1927,12 @@ strhandle(void) {
 
 void
 strparse(void) {
 
 void
 strparse(void) {
-       /*
-        * TODO: Implement parsing like for CSI when required.
-        * Format: ESC type cmd ';' arg0 [';' argn] ESC \
-        */
-       return;
+       char *p = strescseq.buf;
+
+       strescseq.narg = 0;
+       strescseq.buf[strescseq.len] = '\0';
+       while(p && strescseq.narg < STR_ARG_SIZ)
+               strescseq.args[strescseq.narg++] = strsep(&p, ";");
 }
 
 void
 }
 
 void
@@ -1844,7 +1943,9 @@ strdump(void) {
        printf("ESC%c", strescseq.type);
        for(i = 0; i < strescseq.len; i++) {
                c = strescseq.buf[i] & 0xff;
        printf("ESC%c", strescseq.type);
        for(i = 0; i < strescseq.len; i++) {
                c = strescseq.buf[i] & 0xff;
-               if(isprint(c)) {
+               if(c == '\0') {
+                       return;
+               } else if(isprint(c)) {
                        putchar(c);
                } else if(c == '\n') {
                        printf("(\\n)");
                        putchar(c);
                } else if(c == '\n') {
                        printf("(\\n)");
@@ -1890,7 +1991,7 @@ techo(char *buf, int len) {
                if(c == '\033') {               /* escape */
                        tputc("^", 1);
                        tputc("[", 1);
                if(c == '\033') {               /* escape */
                        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);
@@ -1900,7 +2001,7 @@ techo(char *buf, int len) {
                        break;
                }
        }
                        break;
                }
        }
-       if (len)
+       if(len)
                tputc(buf, len);
 }
 
                tputc(buf, len);
 }
 
@@ -1910,13 +2011,14 @@ tputc(char *c, int len) {
        bool control = ascii < '\x20' || ascii == 0177;
 
        if(iofd != -1) {
        bool control = ascii < '\x20' || ascii == 0177;
 
        if(iofd != -1) {
-               if (xwrite(iofd, c, len) < 0) {
-                       fprintf(stderr, "Error writting in %s:%s\n",
+               if(xwrite(iofd, c, len) < 0) {
+                       fprintf(stderr, "Error writing in %s:%s\n",
                                opt_io, strerror(errno));
                        close(iofd);
                        iofd = -1;
                }
        }
                                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.
        /*
         * STR sequences must be checked before anything else
         * because it can use some control codes as part of the sequence.
@@ -1931,10 +2033,23 @@ tputc(char *c, int len) {
                        strhandle();
                        break;
                default:
                        strhandle();
                        break;
                default:
-                       strescseq.buf[strescseq.len++] = ascii;
-                       if(strescseq.len+1 >= STR_BUF_SIZ) {
-                               term.esc = 0;
-                               strhandle();
+                       if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
+                               memmove(&strescseq.buf[strescseq.len], c, len);
+                               strescseq.len += len;
+                       } else {
+                       /*
+                        * Here is a bug in terminals. If the user never sends
+                        * some code to stop the str or esc command, then st
+                        * will stop responding. But this is better than
+                        * silently failing with unknown characters. At least
+                        * then users will report back.
+                        *
+                        * In the case users ever get fixed, here is the code:
+                        */
+                       /*
+                        * term.esc = 0;
+                        * strhandle();
+                        */
                        }
                }
                return;
                        }
                }
                return;
@@ -1971,10 +2086,13 @@ tputc(char *c, int len) {
                        term.esc = ESC_START;
                        return;
                case '\016':    /* SO */
                        term.esc = ESC_START;
                        return;
                case '\016':    /* SO */
-                       term.c.attr.mode |= ATTR_GFX;
-                       return;
                case '\017':    /* SI */
                case '\017':    /* SI */
-                       term.c.attr.mode &= ~ATTR_GFX;
+                       /*
+                        * 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.
+                        */
                        return;
                case '\032':    /* SUB */
                case '\030':    /* CAN */
                        return;
                case '\032':    /* SUB */
                case '\030':    /* CAN */
@@ -1991,9 +2109,11 @@ tputc(char *c, int len) {
                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)
-                                       || csiescseq.len >= ESC_BUF_SIZ) {
+                                       || csiescseq.len >= \
+                                       sizeof(csiescseq.buf)-1) {
                                term.esc = 0;
                                term.esc = 0;
-                               csiparse(), csihandle();
+                               csiparse();
+                               csihandle();
                        }
                } else if(term.esc & ESC_STR_END) {
                        term.esc = 0;
                        }
                } else if(term.esc & ESC_STR_END) {
                        term.esc = 0;
@@ -2155,9 +2275,11 @@ tresize(int col, int row) {
        /* free unneeded rows */
        i = 0;
        if(slide > 0) {
        /* free unneeded rows */
        i = 0;
        if(slide > 0) {
-               /* slide screen to keep cursor where we expect it -
+               /*
+                * slide screen to keep cursor where we expect it -
                 * tscrollup would work here, but we can optimize to
                 * tscrollup would work here, but we can optimize to
-                * memmove because we're freeing the earlier lines */
+                * memmove because we're freeing the earlier lines
+                */
                for(/* i = 0 */; i < slide; i++) {
                        free(term.line[i]);
                        free(term.alt[i]);
                for(/* i = 0 */; i < slide; i++) {
                        free(term.line[i]);
                        free(term.alt[i]);
@@ -2218,13 +2340,22 @@ xresize(int col, int row) {
        xw.tw = MAX(1, col * xw.cw);
        xw.th = MAX(1, row * xw.ch);
 
        xw.tw = MAX(1, col * xw.cw);
        xw.th = MAX(1, row * xw.ch);
 
+       XFreePixmap(xw.dpy, xw.buf);
+       xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+                       DefaultDepth(xw.dpy, xw.scr));
        XftDrawChange(xw.draw, xw.buf);
        XftDrawChange(xw.draw, xw.buf);
+       xclear(0, 0, xw.w, xw.h);
+}
+
+static inline ushort
+sixd_to_16bit(int x) {
+       return x == 0 ? 0 : 0x3737 + 0x2828 * x;
 }
 
 void
 xloadcols(void) {
        int i, r, g, b;
 }
 
 void
 xloadcols(void) {
        int i, r, g, b;
-       XRenderColor color = { .alpha = 0 };
+       XRenderColor color = { .alpha = 0xffff };
 
        /* 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++) {
@@ -2239,9 +2370,9 @@ 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++) {
-                               color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
-                               color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
-                               color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+                               color.red = sixd_to_16bit(r);
+                               color.green = sixd_to_16bit(g);
+                               color.blue = sixd_to_16bit(b);
                                if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
                                        die("Could not allocate color %d\n", i);
                                }
                                if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
                                        die("Could not allocate color %d\n", i);
                                }
@@ -2259,6 +2390,38 @@ xloadcols(void) {
        }
 }
 
        }
 }
 
+int
+xsetcolorname(int x, const char *name) {
+       XRenderColor color = { .alpha = 0xffff };
+       Colour colour;
+       if (x < 0 || x > LEN(colorname))
+               return -1;
+       if(!name) {
+               if(16 <= x && x < 16 + 216) {
+                       int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
+                       color.red = sixd_to_16bit(r);
+                       color.green = sixd_to_16bit(g);
+                       color.blue = sixd_to_16bit(b);
+                       if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+                               return 0; /* something went wrong */
+                       dc.col[x] = colour;
+                       return 1;
+               } else if (16 + 216 <= x && x < 256) {
+                       color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
+                       if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+                               return 0; /* something went wrong */
+                       dc.col[x] = colour;
+                       return 1;
+               } else {
+                       name = colorname[x];
+               }
+       }
+       if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
+               return 0;
+       dc.col[x] = colour;
+       return 1;
+}
+
 void
 xtermclear(int col1, int row1, int col2, int row2) {
        XftDrawRect(xw.draw,
 void
 xtermclear(int col1, int row1, int col2, int row2) {
        XftDrawRect(xw.draw,
@@ -2330,7 +2493,7 @@ xloadfont(Font *f, FcPattern *pattern) {
        f->lbearing = 0;
        f->rbearing = f->match->max_advance_width;
 
        f->lbearing = 0;
        f->rbearing = f->match->max_advance_width;
 
-       f->height = f->match->height;
+       f->height = f->ascent + f->descent;
        f->width = f->lbearing + f->rbearing;
 
        return 0;
        f->width = f->lbearing + f->rbearing;
 
        return 0;
@@ -2379,38 +2542,38 @@ xloadfonts(char *fontstr, int fontsize) {
        xw.cw = dc.font.width;
        xw.ch = dc.font.height;
 
        xw.cw = dc.font.width;
        xw.ch = dc.font.height;
 
-       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);
-
        FcPatternDel(pattern, FC_SLANT);
        FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
        FcPatternDel(pattern, FC_SLANT);
        FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-       if(xloadfont(&dc.ibfont, pattern))
+       if(xloadfont(&dc.ifont, pattern))
                die("st: can't open font %s\n", fontstr);
 
        FcPatternDel(pattern, FC_WEIGHT);
                die("st: can't open font %s\n", fontstr);
 
        FcPatternDel(pattern, FC_WEIGHT);
-       if(xloadfont(&dc.ifont, pattern))
+       FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+       if(xloadfont(&dc.ibfont, pattern))
+               die("st: can't open font %s\n", fontstr);
+
+       FcPatternDel(pattern, FC_SLANT);
+       FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+       if(xloadfont(&dc.bfont, pattern))
                die("st: can't open font %s\n", fontstr);
 
        FcPatternDestroy(pattern);
 }
 
 void
                die("st: can't open font %s\n", fontstr);
 
        FcPatternDestroy(pattern);
 }
 
 void
-xunloadfonts(void)
-{
+xunloadfonts(void) {
        int i, ip;
 
        /*
         * Free the loaded fonts in the font cache. This is done backwards
         * from the frccur.
         */
        int i, ip;
 
        /*
         * Free the loaded fonts in the font cache. This is done backwards
         * from the frccur.
         */
-       for (i = 0, ip = frccur; i < frclen; i++, ip--) {
-               if (ip <= 0)
+       for(i = 0, ip = frccur; i < frclen; i++, ip--) {
+               if(ip < 0)
                        ip = LEN(frc) - 1;
                XftFontClose(xw.dpy, frc[ip].font);
        }
                        ip = LEN(frc) - 1;
                XftFontClose(xw.dpy, frc[ip].font);
        }
-       frccur = 0;
+       frccur = -1;
        frclen = 0;
 
        XftFontClose(xw.dpy, dc.font.match);
        frclen = 0;
 
        XftFontClose(xw.dpy, dc.font.match);
@@ -2428,20 +2591,20 @@ xunloadfonts(void)
 }
 
 void
 }
 
 void
-xzoom(const Arg *arg)
-{
+xzoom(const Arg *arg) {
        xunloadfonts();
        xloadfonts(usedfont, usedfontsize + arg->i);
        cresize(0, 0);
        xunloadfonts();
        xloadfonts(usedfont, usedfontsize + arg->i);
        cresize(0, 0);
-       draw();
+       redraw(0);
 }
 
 void
 xinit(void) {
        XSetWindowAttributes attrs;
 }
 
 void
 xinit(void) {
        XSetWindowAttributes attrs;
+       XGCValues gcvalues;
        Cursor cursor;
        Window parent;
        Cursor cursor;
        Window parent;
-       int sw, sh, major, minor;
+       int sw, sh;
 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");
 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");
@@ -2449,7 +2612,7 @@ xinit(void) {
        xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
        /* font */
        xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
        /* font */
-       if (!FcInit())
+       if(!FcInit())
                die("Could not init fontconfig.\n");
 
        usedfont = (opt_font == NULL)? font : opt_font;
                die("Could not init fontconfig.\n");
 
        usedfont = (opt_font == NULL)? font : opt_font;
@@ -2478,6 +2641,7 @@ xinit(void) {
                xw.fy = 0;
        }
 
                xw.fy = 0;
        }
 
+       /* Events */
        attrs.background_pixel = dc.col[defaultbg].pixel;
        attrs.border_pixel = dc.col[defaultbg].pixel;
        attrs.bit_gravity = NorthWestGravity;
        attrs.background_pixel = dc.col[defaultbg].pixel;
        attrs.border_pixel = dc.col[defaultbg].pixel;
        attrs.bit_gravity = NorthWestGravity;
@@ -2486,7 +2650,8 @@ xinit(void) {
                | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
        attrs.colormap = xw.cmap;
 
                | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
        attrs.colormap = xw.cmap;
 
-       parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
+       parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
+                       XRootWindow(xw.dpy, xw.scr);
        xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
                        xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
                        xw.vis,
        xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
                        xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
                        xw.vis,
@@ -2494,18 +2659,30 @@ xinit(void) {
                        | CWColormap,
                        &attrs);
 
                        | CWColormap,
                        &attrs);
 
-       /* double buffering */
-       if(!XdbeQueryExtension(xw.dpy, &major, &minor))
-               die("Xdbe extension is not present\n");
-       xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
+       memset(&gcvalues, 0, sizeof(gcvalues));
+       gcvalues.graphics_exposures = False;
+       dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+                       &gcvalues);
+       xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+                       DefaultDepth(xw.dpy, xw.scr));
+       XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+       XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
 
        /* Xft rendering context */
        xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
 
        /* input methods */
 
        /* Xft rendering context */
        xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
 
        /* input methods */
-       xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
-       if(xw.xim == NULL)
-               die("XOpenIM failed. Could not open input device.\n");
+       if((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+               XSetLocaleModifiers("@im=local");
+               if((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+                       XSetLocaleModifiers("@im=");
+                       if((xw.xim = XOpenIM(xw.dpy,
+                                       NULL, NULL, NULL)) == NULL) {
+                               die("XOpenIM failed. Could not open input"
+                                       " device.\n");
+                       }
+               }
+       }
        xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
                                           | XIMStatusNothing, XNClientWindow, xw.win,
                                           XNFocusWindow, xw.win, NULL);
        xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
                                           | XIMStatusNothing, XNClientWindow, xw.win,
                                           XNFocusWindow, xw.win, NULL);
@@ -2532,22 +2709,38 @@ xinit(void) {
 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,
 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, u8clen, xp, i, frp, frcflags;
+           width = charlen * xw.cw, xp, i;
+       int frp, frcflags;
+       int u8fl, u8fblen, u8cblen, doesexist;
+       char *u8c, *u8fs;
        long u8char;
        long u8char;
-       char *u8c;
        Font *font = &dc.font;
        Font *font = &dc.font;
-       XftFont *sfont;
        FcResult fcres;
        FcPattern *fcpattern, *fontpattern;
        FcFontSet *fcsets[] = { NULL };
        FcCharSet *fccharset;
        FcResult fcres;
        FcPattern *fcpattern, *fontpattern;
        FcFontSet *fcsets[] = { NULL };
        FcCharSet *fccharset;
-       XGlyphInfo extents;
-       Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
-                *temp, revfg, revbg;
+       Colour *fg, *bg, *temp, revfg, revbg;
        XRenderColor colfg, colbg;
 
        frcflags = FRC_NORMAL;
 
        XRenderColor colfg, colbg;
 
        frcflags = FRC_NORMAL;
 
+       if(base.mode & ATTR_ITALIC) {
+               if(base.fg == defaultfg)
+                       base.fg = defaultitalic;
+               font = &dc.ifont;
+               frcflags = FRC_ITALIC;
+       } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
+               if(base.fg == defaultfg)
+                       base.fg = defaultitalic;
+               font = &dc.ibfont;
+               frcflags = FRC_ITALICBOLD;
+       } else if(base.mode & ATTR_UNDERLINE) {
+               if(base.fg == defaultfg)
+                       base.fg = defaultunderline;
+       }
+       fg = &dc.col[base.fg];
+       bg = &dc.col[base.bg];
+
        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 */
@@ -2569,15 +2762,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                frcflags = FRC_BOLD;
        }
 
                frcflags = FRC_BOLD;
        }
 
-       if(base.mode & ATTR_ITALIC) {
-               font = &dc.ifont;
-               frcflags = FRC_ITALIC;
-       }
-       if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
-               font = &dc.ibfont;
-               frcflags = FRC_ITALICBOLD;
-       }
-
        if(IS_SET(MODE_REVERSE)) {
                if(fg == &dc.col[defaultfg]) {
                        fg = &dc.col[defaultbg];
        if(IS_SET(MODE_REVERSE)) {
                if(fg == &dc.col[defaultfg]) {
                        fg = &dc.col[defaultbg];
@@ -2608,11 +2792,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
                bg = temp;
        }
 
                bg = temp;
        }
 
-       /* Width of the whole string that should be printed. */
-       XftTextExtentsUtf8(xw.dpy, font->match, (FcChar8 *)s, bytelen,
-                       &extents);
-       width = extents.xOff;
-
        /* Intelligent cleaning up of the borders. */
        if(x == 0) {
                xclear(0, (y == 0)? 0 : winy, borderpx,
        /* Intelligent cleaning up of the borders. */
        if(x == 0) {
                xclear(0, (y == 0)? 0 : winy, borderpx,
@@ -2630,85 +2809,110 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        /* Clean up the region we want to draw to. */
        XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
 
        /* Clean up the region we want to draw to. */
        XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
 
-       /*
-        * Step through all UTF-8 characters one by one and search in the font
-        * cache ring buffer, whether there was some font found to display the
-        * unicode value of that UTF-8 character.
-        */
        fcsets[0] = font->set;
        fcsets[0] = font->set;
-       for (xp = winx; bytelen > 0; ) {
-               u8c = s;
-               u8clen = utf8decode(s, &u8char);
-               s += u8clen;
-               bytelen -= u8clen;
-
-               sfont = font->match;
+       for(xp = winx; bytelen > 0;) {
                /*
                /*
-                * Only check the font cache or load new fonts, if the
-                * characters is not represented in main font.
+                * Search for the range in the to be printed string of glyphs
+                * that are in the main font. Then print that range. If
+                * some glyph is found that is not in the font, do the
+                * fallback dance.
                 */
                 */
-               if (!XftCharExists(xw.dpy, font->match, u8char)) {
-                       frp = frccur;
-                       /* Search the font cache. */
-                       for (i = 0; i < frclen; i++, frp--) {
-                               if (frp <= 0)
-                                       frp = LEN(frc) - 1;
+               u8fs = s;
+               u8fblen = 0;
+               u8fl = 0;
+               for(;;) {
+                       u8c = s;
+                       u8cblen = utf8decode(s, &u8char);
+                       s += u8cblen;
+                       bytelen -= u8cblen;
+
+                       doesexist = XftCharIndex(xw.dpy, font->match, u8char);
+                       if(!doesexist || bytelen <= 0) {
+                               if(bytelen <= 0) {
+                                       if(doesexist) {
+                                               u8fl++;
+                                               u8fblen += u8cblen;
+                                       }
+                               }
 
 
-                               if (frc[frp].c == u8char
-                                       && frc[frp].flags == frcflags) {
-                                       break;
+                               if(u8fl > 0) {
+                                       XftDrawStringUtf8(xw.draw, fg,
+                                                       font->match, xp,
+                                                       winy + font->ascent,
+                                                       (FcChar8 *)u8fs,
+                                                       u8fblen);
+                                       xp += font->width * u8fl;
                                }
                                }
+                               break;
                        }
                        }
-                       if (i >= frclen) {
-                               /*
-                                * Nothing was found in the cache. Now use
-                                * some dozen of Fontconfig calls to get the
-                                * font for one single character.
-                                */
-                               fcpattern = FcPatternDuplicate(font->pattern);
-                               fccharset = FcCharSetCreate();
-
-                               FcCharSetAddChar(fccharset, u8char);
-                               FcPatternAddCharSet(fcpattern, FC_CHARSET,
-                                               fccharset);
-                               FcPatternAddBool(fcpattern, FC_SCALABLE,
-                                               FcTrue);
-
-                               FcConfigSubstitute(0, fcpattern,
-                                               FcMatchPattern);
-                               FcDefaultSubstitute(fcpattern);
-
-                               fontpattern = FcFontSetMatch(0, fcsets,
-                                               FcTrue, fcpattern, &fcres);
-
-                               frccur++;
-                               frclen++;
-                               if (frccur >= LEN(frc))
-                                       frccur = 0;
-                               if (frclen >= LEN(frc)) {
-                                       frclen = LEN(frc);
-                                       XftFontClose(xw.dpy, frc[frccur].font);
-                               }
 
 
-                               /*
-                                * Overwrite or create the new cache entry
-                                * entry.
-                                */
-                               frc[frccur].font = XftFontOpenPattern(xw.dpy,
-                                               fontpattern);
-                               frc[frccur].c = u8char;
-                               frc[frccur].flags = frcflags;
+                       u8fl++;
+                       u8fblen += u8cblen;
+               }
+               if(doesexist)
+                       break;
 
 
-                               FcPatternDestroy(fcpattern);
-                               FcCharSetDestroy(fccharset);
+               frp = frccur;
+               /* Search the font cache. */
+               for(i = 0; i < frclen; i++, frp--) {
+                       if(frp <= 0)
+                               frp = LEN(frc) - 1;
 
 
-                               frp = frccur;
+                       if(frc[frp].c == u8char
+                                       && frc[frp].flags == frcflags) {
+                               break;
+                       }
+               }
+
+               /* Nothing was found. */
+               if(i >= frclen) {
+                       /*
+                        * Nothing was found in the cache. Now use
+                        * some dozen of Fontconfig calls to get the
+                        * font for one single character.
+                        */
+                       fcpattern = FcPatternDuplicate(font->pattern);
+                       fccharset = FcCharSetCreate();
+
+                       FcCharSetAddChar(fccharset, u8char);
+                       FcPatternAddCharSet(fcpattern, FC_CHARSET,
+                                       fccharset);
+                       FcPatternAddBool(fcpattern, FC_SCALABLE,
+                                       FcTrue);
+
+                       FcConfigSubstitute(0, fcpattern,
+                                       FcMatchPattern);
+                       FcDefaultSubstitute(fcpattern);
+
+                       fontpattern = FcFontSetMatch(0, fcsets,
+                                       FcTrue, fcpattern, &fcres);
+
+                       /*
+                        * Overwrite or create the new cache entry.
+                        */
+                       frccur++;
+                       frclen++;
+                       if(frccur >= LEN(frc))
+                               frccur = 0;
+                       if(frclen > LEN(frc)) {
+                               frclen = LEN(frc);
+                               XftFontClose(xw.dpy, frc[frccur].font);
                        }
                        }
-                       sfont = frc[frp].font;
+
+                       frc[frccur].font = XftFontOpenPattern(xw.dpy,
+                                       fontpattern);
+                       frc[frccur].c = u8char;
+                       frc[frccur].flags = frcflags;
+
+                       FcPatternDestroy(fcpattern);
+                       FcCharSetDestroy(fccharset);
+
+                       frp = frccur;
                }
 
                }
 
-               XftDrawStringUtf8(xw.draw, fg, sfont, xp, winy + sfont->ascent,
-                               (FcChar8 *)u8c, u8clen);
+               XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
+                               xp, winy + frc[frp].font->ascent,
+                               (FcChar8 *)u8c, u8cblen);
 
                xp += font->width;
        }
 
                xp += font->width;
        }
@@ -2747,39 +2951,73 @@ xdrawcursor(void) {
 
        /* draw the new one */
        if(!(IS_SET(MODE_HIDE))) {
 
        /* draw the new one */
        if(!(IS_SET(MODE_HIDE))) {
-               if(!(xw.state & WIN_FOCUSED))
-                       g.bg = defaultucs;
-
-               if(IS_SET(MODE_REVERSE))
-                       g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
+               if(xw.state & WIN_FOCUSED) {
+                       if(IS_SET(MODE_REVERSE)) {
+                               g.mode |= ATTR_REVERSE;
+                               g.fg = defaultcs;
+                               g.bg = defaultfg;
+                       }
 
 
-               sl = utf8size(g.c);
-               xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+                       sl = utf8size(g.c);
+                       xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+               } else {
+                       XftDrawRect(xw.draw, &dc.col[defaultcs],
+                                       borderpx + term.c.x * xw.cw,
+                                       borderpx + term.c.y * xw.ch,
+                                       xw.cw - 1, 1);
+                       XftDrawRect(xw.draw, &dc.col[defaultcs],
+                                       borderpx + term.c.x * xw.cw,
+                                       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 + term.c.y * xw.ch,
+                                       1, xw.ch - 1);
+                       XftDrawRect(xw.draw, &dc.col[defaultcs],
+                                       borderpx + term.c.x * xw.cw,
+                                       borderpx + (term.c.y + 1) * xw.ch - 1,
+                                       xw.cw, 1);
+               }
                oldx = term.c.x, oldy = term.c.y;
        }
 }
 
                oldx = term.c.x, oldy = term.c.y;
        }
 }
 
+
+void
+xsettitle(char *p) {
+       XTextProperty prop;
+
+       Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+                       &prop);
+       XSetWMName(xw.dpy, xw.win, &prop);
+}
+
 void
 xresettitle(void) {
 void
 xresettitle(void) {
-       XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+       xsettitle(opt_title ? opt_title : "st");
 }
 
 void
 }
 
 void
-redraw(void) {
-       struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+redraw(int timeout) {
+       struct timespec tv = {0, timeout * 1000};
 
        tfulldirt();
        draw();
 
        tfulldirt();
        draw();
-       XSync(xw.dpy, False); /* necessary for a good tput flash */
-       nanosleep(&tv, NULL);
+
+       if(timeout > 0) {
+               nanosleep(&tv, NULL);
+               XSync(xw.dpy, False); /* necessary for a good tput flash */
+       }
 }
 
 void
 draw(void) {
 }
 
 void
 draw(void) {
-       XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
-
        drawregion(0, 0, term.col, term.row);
        drawregion(0, 0, term.col, term.row);
-       XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+       XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
+                       xw.h, 0, 0);
+       XSetForeground(xw.dpy, dc.gc,
+                       dc.col[IS_SET(MODE_REVERSE)?
+                               defaultfg : defaultbg].pixel);
 }
 
 void
 }
 
 void
@@ -2818,6 +3056,7 @@ drawregion(int x1, int y1, int x2, int y2) {
                                        ox = x;
                                        base = new;
                                }
                                        ox = x;
                                        base = new;
                                }
+
                                sl = utf8size(new.c);
                                memcpy(buf+ib, new.c, sl);
                                ib += sl;
                                sl = utf8size(new.c);
                                memcpy(buf+ib, new.c, sl);
                                ib += sl;
@@ -2838,6 +3077,7 @@ expose(XEvent *ev) {
                if(!e->count)
                        xw.state &= ~WIN_REDRAW;
        }
                if(!e->count)
                        xw.state &= ~WIN_REDRAW;
        }
+       redraw(0);
 }
 
 void
 }
 
 void
@@ -2868,6 +3108,11 @@ xseturgency(int add) {
 
 void
 focus(XEvent *ev) {
 
 void
 focus(XEvent *ev) {
+       XFocusChangeEvent *e = &ev->xfocus;
+
+       if(e->mode == NotifyGrab)
+               return;
+
        if(ev->type == FocusIn) {
                XSetICFocus(xw.xic);
                xw.state |= WIN_FOCUSED;
        if(ev->type == FocusIn) {
                XSetICFocus(xw.xic);
                xw.state |= WIN_FOCUSED;
@@ -2880,6 +3125,8 @@ focus(XEvent *ev) {
 
 inline bool
 match(uint mask, uint state) {
 
 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)
        if(mask == XK_NO_MOD && state)
                return false;
        if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
@@ -2954,7 +3201,7 @@ kpress(XEvent *ev) {
        Status status;
        Shortcut *bp;
 
        Status status;
        Shortcut *bp;
 
-       if (IS_SET(MODE_KBDLOCK))
+       if(IS_SET(MODE_KBDLOCK))
                return;
 
        len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
                return;
 
        len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
@@ -2976,7 +3223,7 @@ kpress(XEvent *ev) {
                if(len == 0)
                        return;
 
                if(len == 0)
                        return;
 
-               if (len == 1 && e->state & Mod1Mask)
+               if(len == 1 && e->state & Mod1Mask)
                        *cp++ = '\033';
 
                memcpy(cp, xstr, len);
                        *cp++ = '\033';
 
                memcpy(cp, xstr, len);
@@ -2991,8 +3238,10 @@ kpress(XEvent *ev) {
 
 void
 cmessage(XEvent *e) {
 
 void
 cmessage(XEvent *e) {
-       /* See xembed specs
-          http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
+       /*
+        * See xembed specs
+        *  http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+        */
        if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
                if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
                        xw.state |= WIN_FOCUSED;
        if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
                if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
                        xw.state |= WIN_FOCUSED;
@@ -3008,8 +3257,7 @@ cmessage(XEvent *e) {
 }
 
 void
 }
 
 void
-cresize(int width, int height)
-{
+cresize(int width, int height) {
        int col, row;
 
        if(width != 0)
        int col, row;
 
        if(width != 0)
@@ -3037,10 +3285,12 @@ void
 run(void) {
        XEvent ev;
        fd_set rfd;
 run(void) {
        XEvent ev;
        fd_set rfd;
-       int xfd = XConnectionNumber(xw.dpy), i;
-       struct timeval drawtimeout, *tv = NULL;
+       int xfd = XConnectionNumber(xw.dpy), xev;
+       struct timeval drawtimeout, *tv = NULL, now, last;
+
+       gettimeofday(&last, NULL);
 
 
-       for(i = 0;; i++) {
+       for(xev = actionfps;;) {
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
                FD_SET(xfd, &rfd);
@@ -3050,99 +3300,100 @@ run(void) {
                        die("select failed: %s\n", SERRNO);
                }
 
                        die("select failed: %s\n", SERRNO);
                }
 
-               /*
-                * Stop after a certain number of reads so the user does not
-                * feel like the system is stuttering.
-                */
-               if(i < 1000 && FD_ISSET(cmdfd, &rfd)) {
+               gettimeofday(&now, NULL);
+               drawtimeout.tv_sec = 0;
+               drawtimeout.tv_usec = (1000/xfps) * 1000;
+               tv = &drawtimeout;
+
+               if(FD_ISSET(cmdfd, &rfd))
                        ttyread();
 
                        ttyread();
 
-                       /*
-                        * Just wait a bit so it isn't disturbing the
-                        * user and the system is able to write something.
-                        */
-                       drawtimeout.tv_sec = 0;
-                       drawtimeout.tv_usec = 5;
-                       tv = &drawtimeout;
-                       continue;
-               }
-               i = 0;
-               tv = NULL;
+               if(FD_ISSET(xfd, &rfd))
+                       xev = actionfps;
 
 
-               while(XPending(xw.dpy)) {
-                       XNextEvent(xw.dpy, &ev);
-                       if(XFilterEvent(&ev, None))
-                               continue;
-                       if(handler[ev.type])
-                               (handler[ev.type])(&ev);
-               }
+               if(TIMEDIFF(now, last) > \
+                               (xev ? (1000/xfps) : (1000/actionfps))) {
+                       while(XPending(xw.dpy)) {
+                               XNextEvent(xw.dpy, &ev);
+                               if(XFilterEvent(&ev, None))
+                                       continue;
+                               if(handler[ev.type])
+                                       (handler[ev.type])(&ev);
+                       }
 
 
-               draw();
-               XFlush(xw.dpy);
+                       draw();
+                       XFlush(xw.dpy);
+                       last = now;
+
+                       if(xev && !FD_ISSET(xfd, &rfd))
+                               xev--;
+                       if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+                               tv = NULL;
+               }
        }
 }
 
        }
 }
 
+void
+usage(void) {
+       die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+       "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+       " [-t title] [-w windowid] [-e command ...]\n", argv0);
+}
+
 int
 main(int argc, char *argv[]) {
 int
 main(int argc, char *argv[]) {
-       int i, bitm, xr, yr;
+       int bitm, xr, yr;
        uint wr, hr;
 
        xw.fw = xw.fh = xw.fx = xw.fy = 0;
        xw.isfixed = False;
 
        uint wr, hr;
 
        xw.fw = xw.fh = xw.fx = xw.fy = 0;
        xw.isfixed = False;
 
-       for(i = 1; i < argc; i++) {
-               switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
-               case 'c':
-                       if(++i < argc)
-                               opt_class = argv[i];
-                       break;
-               case 'e':
-                       /* eat all remaining arguments */
-                       if(++i < argc)
-                               opt_cmd = &argv[i];
-                       goto run;
-               case 'f':
-                       if(++i < argc)
-                               opt_font = argv[i];
-                       break;
-               case 'g':
-                       if(++i >= argc)
-                               break;
-
-                       bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
-                       if(bitm & XValue)
-                               xw.fx = xr;
-                       if(bitm & YValue)
-                               xw.fy = yr;
-                       if(bitm & WidthValue)
-                               xw.fw = (int)wr;
-                       if(bitm & HeightValue)
-                               xw.fh = (int)hr;
-                       if(bitm & XNegative && xw.fx == 0)
-                               xw.fx = -1;
-                       if(bitm & XNegative && xw.fy == 0)
-                               xw.fy = -1;
-
-                       if(xw.fh != 0 && xw.fw != 0)
-                               xw.isfixed = True;
-                       break;
-               case 'o':
-                       if(++i < argc)
-                               opt_io = argv[i];
-                       break;
-               case 't':
-                       if(++i < argc)
-                               opt_title = argv[i];
-                       break;
-               case 'v':
-               default:
-                       die(USAGE);
-               case 'w':
-                       if(++i < argc)
-                               opt_embed = argv[i];
-                       break;
-               }
-       }
+       ARGBEGIN {
+       case 'a':
+               allowaltscreen = false;
+               break;
+       case 'c':
+               opt_class = EARGF(usage());
+               break;
+       case 'e':
+               /* eat all remaining arguments */
+               if(argc > 1)
+                       opt_cmd = &argv[1];
+               goto run;
+       case 'f':
+               opt_font = EARGF(usage());
+               break;
+       case 'g':
+               bitm = XParseGeometry(EARGF(usage()), &xr, &yr, &wr, &hr);
+               if(bitm & XValue)
+                       xw.fx = xr;
+               if(bitm & YValue)
+                       xw.fy = yr;
+               if(bitm & WidthValue)
+                       xw.fw = (int)wr;
+               if(bitm & HeightValue)
+                       xw.fh = (int)hr;
+               if(bitm & XNegative && xw.fx == 0)
+                       xw.fx = -1;
+               if(bitm & XNegative && xw.fy == 0)
+                       xw.fy = -1;
+
+               if(xw.fh != 0 && xw.fw != 0)
+                       xw.isfixed = True;
+               break;
+       case 'o':
+               opt_io = EARGF(usage());
+               break;
+       case 't':
+               opt_title = EARGF(usage());
+               break;
+       case 'w':
+               opt_embed = EARGF(usage());
+               break;
+       case 'v':
+       default:
+               usage();
+       } ARGEND;
 
 run:
        setlocale(LC_CTYPE, "");
 
 run:
        setlocale(LC_CTYPE, "");
@@ -3151,6 +3402,8 @@ run:
        xinit();
        ttynew();
        selinit();
        xinit();
        ttynew();
        selinit();
+       if(xw.isfixed)
+               cresize(xw.h, xw.w);
        run();
 
        return 0;
        run();
 
        return 0;