st

fork of suckless's simple terminal
Index Commits Files Refs README LICENSE
commit e2ee5ee6114eb74bb08cb9abe5a3020203e92688
parent c63a87cd936c1eeef14c4c21572e5b782d3df4bc
Author: Michael Forney <mforney@mforney.org>
Date:   Fri, 20 Jan 2017 00:06:39 -0800

Split X-specific code into x.c

Diffstat:
MMakefile | 5++++-
Mconfig.def.h | 64++++++++++++++++++++++++++++++++--------------------------------
Mst.c | 2080++++---------------------------------------------------------------------------
Ast.h | 272+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Awin.h | 29+++++++++++++++++++++++++++++
Ax.c | 1766+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 2195 insertions(+), 2021 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = st.c
+SRC = st.c x.c
 OBJ = ${SRC:.c=.o}
 
 all: options st
@@ -21,6 +21,9 @@ config.h:
     @echo CC $<
     @${CC} -c ${CFLAGS} $<
 
+st.o: config.h st.h win.h
+x.o: arg.h st.h win.h
+
 ${OBJ}: config.h config.mk
 
 st: ${OBJ}
diff --git a/config.def.h b/config.def.h
@@ -5,8 +5,8 @@
  *
  * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
  */
-static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
-static int borderpx = 2;
+char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+int borderpx = 2;
 
 /*
  * What program is execed by st depends of these precedence rules:
@@ -24,8 +24,8 @@ static char stty_args[] = "stty raw pass8 nl -echo -iexten -cstopb 38400";
 static char vtiden[] = "\033[?6c";
 
 /* Kerning / character bounding-box multipliers */
-static float cwscale = 1.0;
-static float chscale = 1.0;
+float cwscale = 1.0;
+float chscale = 1.0;
 
 /*
  * word delimiter string
@@ -35,26 +35,26 @@ static float chscale = 1.0;
 static char worddelimiters[] = " ";
 
 /* selection timeouts (in milliseconds) */
-static unsigned int doubleclicktimeout = 300;
-static unsigned int tripleclicktimeout = 600;
+unsigned int doubleclicktimeout = 300;
+unsigned int tripleclicktimeout = 600;
 
 /* alt screens */
-static int allowaltscreen = 1;
+int allowaltscreen = 1;
 
 /* frames per second st should at maximum draw to the screen */
-static unsigned int xfps = 120;
-static unsigned int actionfps = 30;
+unsigned int xfps = 120;
+unsigned int actionfps = 30;
 
 /*
  * blinking timeout (set to 0 to disable blinking) for the terminal blinking
  * attribute.
  */
-static unsigned int blinktimeout = 800;
+unsigned int blinktimeout = 800;
 
 /*
  * thickness of underline and bar cursors
  */
-static unsigned int cursorthickness = 2;
+unsigned int cursorthickness = 2;
 
 /*
  * bell volume. It must be a value between -100 and 100. Use 0 for disabling
@@ -63,7 +63,7 @@ static unsigned int cursorthickness = 2;
 static int bellvolume = 0;
 
 /* default TERM value */
-static char termname[] = "st-256color";
+char termname[] = "st-256color";
 
 /*
  * spaces per tab
@@ -83,7 +83,7 @@ static char termname[] = "st-256color";
 static unsigned int tabspaces = 8;
 
 /* Terminal colors (16 first used in escape sequence) */
-static const char *colorname[] = {
+const char *colorname[] = {
     /* 8 normal colors */
     "black",
     "red3",
@@ -116,10 +116,10 @@ static const char *colorname[] = {
  * Default colors (colorname index)
  * foreground, background, cursor, reverse cursor
  */
-static unsigned int defaultfg = 7;
-static unsigned int defaultbg = 0;
-static unsigned int defaultcs = 256;
-static unsigned int defaultrcs = 257;
+unsigned int defaultfg = 7;
+unsigned int defaultbg = 0;
+unsigned int defaultcs = 256;
+unsigned int defaultrcs = 257;
 
 /*
  * Default shape of cursor
@@ -128,33 +128,33 @@ static unsigned int defaultrcs = 257;
  * 6: Bar ("|")
  * 7: Snowman ("☃")
  */
-static unsigned int cursorshape = 2;
+unsigned int cursorshape = 2;
 
 /*
  * Default columns and rows numbers
  */
 
-static unsigned int cols = 80;
-static unsigned int rows = 24;
+unsigned int cols = 80;
+unsigned int rows = 24;
 
 /*
  * Default colour and shape of the mouse cursor
  */
-static unsigned int mouseshape = XC_xterm;
-static unsigned int mousefg = 7;
-static unsigned int mousebg = 0;
+unsigned int mouseshape = XC_xterm;
+unsigned int mousefg = 7;
+unsigned int mousebg = 0;
 
 /*
  * Color used to display font attributes when fontconfig selected a font which
  * doesn't match the ones requested.
  */
-static unsigned int defaultattr = 11;
+unsigned int defaultattr = 11;
 
 /*
  * Internal mouse shortcuts.
  * Beware that overloading Button1 will disable the selection.
  */
-static MouseShortcut mshortcuts[] = {
+MouseShortcut mshortcuts[] = {
     /* button               mask            string */
     { Button4,              XK_ANY_MOD,     "\031" },
     { Button5,              XK_ANY_MOD,     "\005" },
@@ -163,15 +163,15 @@ static MouseShortcut mshortcuts[] = {
 /* Internal keyboard shortcuts. */
 #define MODKEY Mod1Mask
 
-static Shortcut shortcuts[] = {
+Shortcut shortcuts[] = {
     /* mask                 keysym          function        argument */
     { XK_ANY_MOD,           XK_Break,       sendbreak,      {.i =  0} },
     { ControlMask,          XK_Print,       toggleprinter,  {.i =  0} },
     { ShiftMask,            XK_Print,       printscreen,    {.i =  0} },
     { XK_ANY_MOD,           XK_Print,       printsel,       {.i =  0} },
-    { MODKEY|ShiftMask,     XK_Prior,       xzoom,          {.f = +1} },
-    { MODKEY|ShiftMask,     XK_Next,        xzoom,          {.f = -1} },
-    { MODKEY|ShiftMask,     XK_Home,        xzoomreset,     {.f =  0} },
+    { MODKEY|ShiftMask,     XK_Prior,       zoom,           {.f = +1} },
+    { MODKEY|ShiftMask,     XK_Next,        zoom,           {.f = -1} },
+    { MODKEY|ShiftMask,     XK_Home,        zoomreset,      {.f =  0} },
     { ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
     { MODKEY|ShiftMask,     XK_Insert,      clippaste,      {.i =  0} },
     { MODKEY|ShiftMask,     XK_C,           clipcopy,       {.i =  0} },
@@ -222,7 +222,7 @@ static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
  * Note that if you want to use ShiftMask with selmasks, set this to an other
  * modifier, set to 0 to not use it.
  */
-static uint forceselmod = ShiftMask;
+uint forceselmod = ShiftMask;
 
 /*
  * This is the huge key array which defines all compatibility to the Linux
@@ -451,7 +451,7 @@ static Key key[] = {
  * ButtonRelease and MotionNotify.
  * If no match is found, regular selection is used.
  */
-static uint selmasks[] = {
+uint selmasks[] = {
     [SEL_RECTANGULAR] = Mod1Mask,
 };
 
@@ -459,7 +459,7 @@ static uint selmasks[] = {
  * Printable characters in ASCII, used to estimate the advance width
  * of single wide characters.
  */
-static char ascii_printable[] =
+char ascii_printable[] =
     " !\"#$%&'()*+,-./0123456789:;<=>?"
     "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
     "`abcdefghijklmnopqrstuvwxyz{|}~";
diff --git a/st.c b/st.c
@@ -21,23 +21,21 @@
 #include <time.h>
 #include <unistd.h>
 #include <libgen.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
 #include <fontconfig/fontconfig.h>
 #include <wchar.h>
 
-#include "arg.h"
+/* X11 */
+#include <X11/cursorfont.h>
+#include <X11/Xft/Xft.h>
 
 char *argv0;
 
 #define Glyph Glyph_
 #define Font Font_
 
+#include "win.h"
+#include "st.h"
+
 #if   defined(__linux)
  #include <pty.h>
 #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
@@ -46,67 +44,24 @@ char *argv0;
  #include <libutil.h>
 #endif
 
-
-/* XEMBED messages */
-#define XEMBED_FOCUS_IN  4
-#define XEMBED_FOCUS_OUT 5
-
 /* Arbitrary sizes */
 #define UTF_INVALID   0xFFFD
-#define UTF_SIZ       4
 #define ESC_BUF_SIZ   (128*UTF_SIZ)
 #define ESC_ARG_SIZ   16
 #define STR_BUF_SIZ   ESC_BUF_SIZ
 #define STR_ARG_SIZ   ESC_ARG_SIZ
-#define XK_ANY_MOD    UINT_MAX
-#define XK_NO_MOD     0
-#define XK_SWITCH_MOD (1<<13)
 
 /* macros */
-#define MIN(a, b)        ((a) < (b) ? (a) : (b))
-#define MAX(a, b)        ((a) < (b) ? (b) : (a))
-#define LEN(a)            (sizeof(a) / sizeof(a)[0])
 #define NUMMAXLEN(x)        ((int)(sizeof(x) * 2.56 + 0.5) + 1)
 #define DEFAULT(a, b)        (a) = (a) ? (a) : (b)
-#define BETWEEN(x, a, b)    ((a) <= (x) && (x) <= (b))
-#define DIVCEIL(n, d)        (((n) + ((d) - 1)) / (d))
 #define ISCONTROLC0(c)        (BETWEEN(c, 0, 0x1f) || (c) == '\177')
 #define ISCONTROLC1(c)        (BETWEEN(c, 0x80, 0x9f))
 #define ISCONTROL(c)        (ISCONTROLC0(c) || ISCONTROLC1(c))
 #define ISDELIM(u)        (utf8strchr(worddelimiters, u) != NULL)
-#define LIMIT(x, a, b)        (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b)        ((a).mode != (b).mode || (a).fg != (b).fg || \
-                (a).bg != (b).bg)
-#define IS_SET(flag)        ((term.mode & (flag)) != 0)
-#define TIMEDIFF(t1, t2)    ((t1.tv_sec-t2.tv_sec)*1000 + \
-                (t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit)    ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define TRUECOLOR(r,g,b)    (1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x)        (1 << 24 & (x))
-#define TRUERED(x)        (((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x)        (((x) & 0xff00))
-#define TRUEBLUE(x)        (((x) & 0xff) << 8)
 
 /* constants */
 #define ISO14755CMD        "dmenu -w %lu -p codepoint: </dev/null"
 
-enum glyph_attribute {
-    ATTR_NULL       = 0,
-    ATTR_BOLD       = 1 << 0,
-    ATTR_FAINT      = 1 << 1,
-    ATTR_ITALIC     = 1 << 2,
-    ATTR_UNDERLINE  = 1 << 3,
-    ATTR_BLINK      = 1 << 4,
-    ATTR_REVERSE    = 1 << 5,
-    ATTR_INVISIBLE  = 1 << 6,
-    ATTR_STRUCK     = 1 << 7,
-    ATTR_WRAP       = 1 << 8,
-    ATTR_WIDE       = 1 << 9,
-    ATTR_WDUMMY     = 1 << 10,
-    ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
-};
-
 enum cursor_movement {
     CURSOR_SAVE,
     CURSOR_LOAD
@@ -118,34 +73,6 @@ enum cursor_state {
     CURSOR_ORIGIN   = 2
 };
 
-enum term_mode {
-    MODE_WRAP        = 1 << 0,
-    MODE_INSERT      = 1 << 1,
-    MODE_APPKEYPAD   = 1 << 2,
-    MODE_ALTSCREEN   = 1 << 3,
-    MODE_CRLF        = 1 << 4,
-    MODE_MOUSEBTN    = 1 << 5,
-    MODE_MOUSEMOTION = 1 << 6,
-    MODE_REVERSE     = 1 << 7,
-    MODE_KBDLOCK     = 1 << 8,
-    MODE_HIDE        = 1 << 9,
-    MODE_ECHO        = 1 << 10,
-    MODE_APPCURSOR   = 1 << 11,
-    MODE_MOUSESGR    = 1 << 12,
-    MODE_8BIT        = 1 << 13,
-    MODE_BLINK       = 1 << 14,
-    MODE_FBLINK      = 1 << 15,
-    MODE_FOCUS       = 1 << 16,
-    MODE_MOUSEX10    = 1 << 17,
-    MODE_MOUSEMANY   = 1 << 18,
-    MODE_BRCKTPASTE  = 1 << 19,
-    MODE_PRINT       = 1 << 20,
-    MODE_UTF8        = 1 << 21,
-    MODE_SIXEL       = 1 << 22,
-    MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
-                      |MODE_MOUSEMANY,
-};
-
 enum charset {
     CS_GRAPHIC0,
     CS_GRAPHIC1,
@@ -167,53 +94,6 @@ enum escape_state {
     ESC_DCS        =128,
 };
 
-enum window_state {
-    WIN_VISIBLE = 1,
-    WIN_FOCUSED = 2
-};
-
-enum selection_mode {
-    SEL_IDLE = 0,
-    SEL_EMPTY = 1,
-    SEL_READY = 2
-};
-
-enum selection_type {
-    SEL_REGULAR = 1,
-    SEL_RECTANGULAR = 2
-};
-
-enum selection_snap {
-    SNAP_WORD = 1,
-    SNAP_LINE = 2
-};
-
-typedef unsigned char uchar;
-typedef unsigned int uint;
-typedef unsigned long ulong;
-typedef unsigned short ushort;
-
-typedef uint_least32_t Rune;
-
-typedef XftDraw *Draw;
-typedef XftColor Color;
-
-typedef struct {
-    Rune u;           /* character code */
-    ushort mode;      /* attribute flags */
-    uint32_t fg;      /* foreground  */
-    uint32_t bg;      /* background  */
-} Glyph;
-
-typedef Glyph *Line;
-
-typedef struct {
-    Glyph attr; /* current char attributes */
-    int x;
-    int y;
-    char state;
-} TCursor;
-
 /* CSI Escape sequence structs */
 /* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
 typedef struct {
@@ -235,56 +115,6 @@ typedef struct {
     int narg;              /* nb of args */
 } STREscape;
 
-/* Internal representation of the screen */
-typedef struct {
-    int row;      /* nb row */
-    int col;      /* nb col */
-    Line *line;   /* screen */
-    Line *alt;    /* alternate screen */
-    int *dirty;  /* dirtyness of lines */
-    XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-    TCursor c;    /* cursor */
-    int top;      /* top    scroll limit */
-    int bot;      /* bottom scroll limit */
-    int mode;     /* terminal mode flags */
-    int esc;      /* escape state flags */
-    char trantbl[4]; /* charset table translation */
-    int charset;  /* current charset */
-    int icharset; /* selected charset for sequence */
-    int numlock; /* lock numbers in keyboard */
-    int *tabs;
-} Term;
-
-/* Purely graphic info */
-typedef struct {
-    Display *dpy;
-    Colormap cmap;
-    Window win;
-    Drawable buf;
-    Atom xembed, wmdeletewin, netwmname, netwmpid;
-    XIM xim;
-    XIC xic;
-    Draw draw;
-    Visual *vis;
-    XSetWindowAttributes attrs;
-    int scr;
-    int isfixed; /* is fixed geometry? */
-    int l, t; /* left and top offset */
-    int gm; /* geometry mask */
-    int tw, th; /* tty width and height */
-    int w, h; /* window width and height */
-    int ch; /* char height */
-    int cw; /* char width  */
-    char state; /* focus, redraw, visible */
-    int cursor; /* cursor style */
-} XWindow;
-
-typedef struct {
-    uint b;
-    uint mask;
-    char *s;
-} MouseShortcut;
-
 typedef struct {
     KeySym k;
     uint mask;
@@ -295,89 +125,26 @@ typedef struct {
     signed char crlf;      /* crlf mode          */
 } Key;
 
-typedef struct {
-    int mode;
-    int type;
-    int snap;
-    /*
-     * Selection variables:
-     * nb – normalized coordinates of the beginning of the selection
-     * ne – normalized coordinates of the end of the selection
-     * ob – original coordinates of the beginning of the selection
-     * oe – original coordinates of the end of the selection
-     */
-    struct {
-        int x, y;
-    } nb, ne, ob, oe;
-
-    char *primary, *clipboard;
-    Atom xtarget;
-    int alt;
-    struct timespec tclick1;
-    struct timespec tclick2;
-} Selection;
-
-typedef union {
-    int i;
-    uint ui;
-    float f;
-    const void *v;
-} Arg;
-
-typedef struct {
-    uint mod;
-    KeySym keysym;
-    void (*func)(const Arg *);
-    const Arg arg;
-} Shortcut;
-
 /* function definitions used in config.h */
 static void clipcopy(const Arg *);
 static void clippaste(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
-static void xzoom(const Arg *);
-static void xzoomabs(const Arg *);
-static void xzoomreset(const Arg *);
+static void zoom(const Arg *);
+static void zoomabs(const Arg *);
+static void zoomreset(const Arg *);
 static void printsel(const Arg *);
 static void printscreen(const Arg *) ;
 static void iso14755(const Arg *);
 static void toggleprinter(const Arg *);
 static void sendbreak(const Arg *);
 
-/* Config.h for applying patches and the configuration. */
+/* config.h for applying patches and the configuration. */
 #include "config.h"
 
-/* Font structure */
-typedef struct {
-    int height;
-    int width;
-    int ascent;
-    int descent;
-    int badslant;
-    int badweight;
-    short lbearing;
-    short rbearing;
-    XftFont *match;
-    FcFontSet *set;
-    FcPattern *pattern;
-} Font;
-
-/* Drawing Context */
-typedef struct {
-    Color col[MAX(LEN(colorname), 256)];
-    Font font, bfont, ifont, ibfont;
-    GC gc;
-} DC;
-
-static void die(const char *, ...);
-static void draw(void);
-static void redraw(void);
-static void drawregion(int, int, int, int);
 static void execsh(void);
 static void stty(void);
 static void sigchld(int);
-static void run(void);
 
 static void csidump(void);
 static void csihandle(void);
@@ -389,7 +156,6 @@ static void strhandle(void);
 static void strparse(void);
 static void strreset(void);
 
-static int tattrset(int);
 static void tprinter(char *, size_t);
 static void tdumpsel(void);
 static void tdumpline(int);
@@ -403,7 +169,6 @@ static void tinsertblankline(int);
 static int tlinelen(int);
 static void tmoveto(int, int);
 static void tmoveato(int, int);
-static void tnew(int, int);
 static void tnewline(int);
 static void tputtab(int);
 static void tputc(Rune);
@@ -415,8 +180,6 @@ static void tsetattr(int *, int);
 static void tsetchar(Rune, Glyph *, int, int);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
-static void tsetdirt(int, int);
-static void tsetdirtattr(int);
 static void tsetmode(int, int, int *, int);
 static void tfulldirt(void);
 static void techo(Rune);
@@ -425,151 +188,53 @@ static void tdectest(char );
 static void tdefutf8(char);
 static int32_t tdefcolor(int *, int *, int);
 static void tdeftran(char);
-static inline int match(uint, uint);
-static void ttynew(void);
-static size_t ttyread(void);
-static void ttyresize(void);
-static void ttysend(char *, size_t);
-static void ttywrite(const char *, size_t);
 static void tstrsequence(uchar);
 
-static inline ushort sixd_to_16bit(int);
-static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
-static void xdrawglyph(Glyph, int, int);
-static void xhints(void);
-static void xclear(int, int, int, int);
-static void xdrawcursor(void);
-static void xinit(void);
-static void xloadcols(void);
-static int xsetcolorname(int, const char *);
-static int xgeommasktogravity(int);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, double);
-static void xsettitle(char *);
-static void xresettitle(void);
-static void xsetpointermotion(int);
-static void xseturgency(int);
-static void xsetsel(char *, Time);
-static void xunloadfont(Font *);
-static void xunloadfonts(void);
-static void xresize(int, int);
-
-static void expose(XEvent *);
-static void visibility(XEvent *);
-static void unmap(XEvent *);
-static char *kmap(KeySym, uint);
-static void kpress(XEvent *);
-static void cmessage(XEvent *);
-static void cresize(int, int);
-static void resize(XEvent *);
-static void focus(XEvent *);
-static void brelease(XEvent *);
-static void bpress(XEvent *);
-static void bmotion(XEvent *);
-static void propnotify(XEvent *);
-static void selnotify(XEvent *);
-static void selclear(XEvent *);
-static void selrequest(XEvent *);
-
-static void selinit(void);
-static void selnormalize(void);
-static inline int selected(int, int);
-static char *getsel(void);
-static void selcopy(Time);
 static void selscroll(int, int);
 static void selsnap(int *, int *, int);
-static int x2col(int);
-static int y2row(int);
-static void getbuttoninfo(XEvent *);
-static void mousereport(XEvent *);
 
-static size_t utf8decode(char *, Rune *, size_t);
 static Rune utf8decodebyte(char, size_t *);
-static size_t utf8encode(Rune, char *);
 static char utf8encodebyte(Rune, size_t);
 static char *utf8strchr(char *s, Rune u);
 static size_t utf8validate(Rune *, size_t);
 
 static ssize_t xwrite(int, const char *, size_t);
-static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
-static char *xstrdup(char *);
-
-static void usage(void);
-
-static void (*handler[LASTEvent])(XEvent *) = {
-    [KeyPress] = kpress,
-    [ClientMessage] = cmessage,
-    [ConfigureNotify] = resize,
-    [VisibilityNotify] = visibility,
-    [UnmapNotify] = unmap,
-    [Expose] = expose,
-    [FocusIn] = focus,
-    [FocusOut] = focus,
-    [MotionNotify] = bmotion,
-    [ButtonPress] = bpress,
-    [ButtonRelease] = brelease,
-/*
- * Uncomment if you want the selection to disappear when you select something
- * different in another window.
- */
-/*    [SelectionClear] = selclear, */
-    [SelectionNotify] = selnotify,
-/*
- * PropertyNotify is only turned on when there is some INCR transfer happening
- * for the selection retrieval.
- */
-    [PropertyNotify] = propnotify,
-    [SelectionRequest] = selrequest,
-};
 
 /* Globals */
-static DC dc;
-static XWindow xw;
-static Term term;
+TermWindow win;
+Term term;
+Selection sel;
+int cmdfd;
+pid_t pid;
+char **opt_cmd  = NULL;
+char *opt_class = NULL;
+char *opt_embed = NULL;
+char *opt_font  = NULL;
+char *opt_io    = NULL;
+char *opt_line  = NULL;
+char *opt_name  = NULL;
+char *opt_title = NULL;
+int oldbutton   = 3; /* button event on startup: 3 = release */
+
 static CSIEscape csiescseq;
 static STREscape strescseq;
-static int cmdfd;
-static pid_t pid;
-static Selection sel;
 static int iofd = 1;
-static char **opt_cmd  = NULL;
-static char *opt_class = NULL;
-static char *opt_embed = NULL;
-static char *opt_font  = NULL;
-static char *opt_io    = NULL;
-static char *opt_line  = NULL;
-static char *opt_name  = NULL;
-static char *opt_title = NULL;
-static int oldbutton   = 3; /* button event on startup: 3 = release */
-
-static char *usedfont = NULL;
-static double usedfontsize = 0;
-static double defaultfontsize = 0;
+
+char *usedfont = NULL;
+double usedfontsize = 0;
+double defaultfontsize = 0;
 
 static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
 static Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
 static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
 
-/* Font Ring Cache */
-enum {
-    FRC_NORMAL,
-    FRC_ITALIC,
-    FRC_BOLD,
-    FRC_ITALICBOLD
-};
-
-typedef struct {
-    XftFont *font;
-    int flags;
-    Rune unicodep;
-} Fontcache;
-
-/* Fontcache is an array now. A new font will be appended to the array. */
-static Fontcache frc[16];
-static int frclen = 0;
+/* config.h array lengths */
+size_t colornamelen = LEN(colorname);
+size_t mshortcutslen = LEN(mshortcuts);
+size_t shortcutslen = LEN(shortcuts);
+size_t selmaskslen = LEN(selmasks);
 
 ssize_t
 xwrite(int fd, const char *s, size_t len)
@@ -714,16 +379,13 @@ selinit(void)
     sel.ob.x = -1;
     sel.primary = NULL;
     sel.clipboard = NULL;
-    sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
-    if (sel.xtarget == None)
-        sel.xtarget = XA_STRING;
 }
 
 int
 x2col(int x)
 {
     x -= borderpx;
-    x /= xw.cw;
+    x /= win.cw;
 
     return LIMIT(x, 0, term.col-1);
 }
@@ -732,7 +394,7 @@ int
 y2row(int y)
 {
     y -= borderpx;
-    y /= xw.ch;
+    y /= win.ch;
 
     return LIMIT(y, 0, term.row-1);
 }
@@ -867,141 +529,6 @@ selsnap(int *x, int *y, int direction)
     }
 }
 
-void
-getbuttoninfo(XEvent *e)
-{
-    int type;
-    uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
-
-    sel.alt = IS_SET(MODE_ALTSCREEN);
-
-    sel.oe.x = x2col(e->xbutton.x);
-    sel.oe.y = y2row(e->xbutton.y);
-    selnormalize();
-
-    sel.type = SEL_REGULAR;
-    for (type = 1; type < LEN(selmasks); ++type) {
-        if (match(selmasks[type], state)) {
-            sel.type = type;
-            break;
-        }
-    }
-}
-
-void
-mousereport(XEvent *e)
-{
-    int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
-        button = e->xbutton.button, state = e->xbutton.state,
-        len;
-    char buf[40];
-    static int ox, oy;
-
-    /* from urxvt */
-    if (e->xbutton.type == MotionNotify) {
-        if (x == ox && y == oy)
-            return;
-        if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
-            return;
-        /* MOUSE_MOTION: no reporting if no button is pressed */
-        if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
-            return;
-
-        button = oldbutton + 32;
-        ox = x;
-        oy = y;
-    } else {
-        if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
-            button = 3;
-        } else {
-            button -= Button1;
-            if (button >= 3)
-                button += 64 - 3;
-        }
-        if (e->xbutton.type == ButtonPress) {
-            oldbutton = button;
-            ox = x;
-            oy = y;
-        } else if (e->xbutton.type == ButtonRelease) {
-            oldbutton = 3;
-            /* MODE_MOUSEX10: no button release reporting */
-            if (IS_SET(MODE_MOUSEX10))
-                return;
-            if (button == 64 || button == 65)
-                return;
-        }
-    }
-
-    if (!IS_SET(MODE_MOUSEX10)) {
-        button += ((state & ShiftMask  ) ? 4  : 0)
-            + ((state & Mod4Mask   ) ? 8  : 0)
-            + ((state & ControlMask) ? 16 : 0);
-    }
-
-    if (IS_SET(MODE_MOUSESGR)) {
-        len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
-                button, x+1, y+1,
-                e->xbutton.type == ButtonRelease ? 'm' : 'M');
-    } else if (x < 223 && y < 223) {
-        len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
-                32+button, 32+x+1, 32+y+1);
-    } else {
-        return;
-    }
-
-    ttywrite(buf, len);
-}
-
-void
-bpress(XEvent *e)
-{
-    struct timespec now;
-    MouseShortcut *ms;
-
-    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-        mousereport(e);
-        return;
-    }
-
-    for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
-        if (e->xbutton.button == ms->b
-                && match(ms->mask, e->xbutton.state)) {
-            ttysend(ms->s, strlen(ms->s));
-            return;
-        }
-    }
-
-    if (e->xbutton.button == Button1) {
-        clock_gettime(CLOCK_MONOTONIC, &now);
-
-        /* Clear previous selection, logically and visually. */
-        selclear(NULL);
-        sel.mode = SEL_EMPTY;
-        sel.type = SEL_REGULAR;
-        sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
-        sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
-
-        /*
-         * If the user clicks below predefined timeouts specific
-         * snapping behaviour is exposed.
-         */
-        if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
-            sel.snap = SNAP_LINE;
-        } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
-            sel.snap = SNAP_WORD;
-        } else {
-            sel.snap = 0;
-        }
-        selnormalize();
-
-        if (sel.snap != 0)
-            sel.mode = SEL_READY;
-        tsetdirt(sel.nb.y, sel.ne.y);
-        sel.tclick2 = sel.tclick1;
-        sel.tclick1 = now;
-    }
-}
-
 char *
 getsel(void)
 {
@@ -1057,148 +584,25 @@ getsel(void)
 }
 
 void
-selcopy(Time t)
-{
-    xsetsel(getsel(), t);
-}
-
-void
-propnotify(XEvent *e)
-{
-    XPropertyEvent *xpev;
-    Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-
-    xpev = &e->xproperty;
-    if (xpev->state == PropertyNewValue &&
-            (xpev->atom == XA_PRIMARY ||
-             xpev->atom == clipboard)) {
-        selnotify(e);
-    }
-}
-
-void
-selnotify(XEvent *e)
-{
-    ulong nitems, ofs, rem;
-    int format;
-    uchar *data, *last, *repl;
-    Atom type, incratom, property;
-
-    incratom = XInternAtom(xw.dpy, "INCR", 0);
-
-    ofs = 0;
-    if (e->type == SelectionNotify) {
-        property = e->xselection.property;
-    } else if(e->type == PropertyNotify) {
-        property = e->xproperty.atom;
-    } else {
-        return;
-    }
-    if (property == None)
-        return;
-
-    do {
-        if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
-                    BUFSIZ/4, False, AnyPropertyType,
-                    &type, &format, &nitems, &rem,
-                    &data)) {
-            fprintf(stderr, "Clipboard allocation failed\n");
-            return;
-        }
-
-        if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
-            /*
-             * If there is some PropertyNotify with no data, then
-             * this is the signal of the selection owner that all
-             * data has been transferred. We won't need to receive
-             * PropertyNotify events anymore.
-             */
-            MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
-            XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
-                    &xw.attrs);
-        }
-
-        if (type == incratom) {
-            /*
-             * Activate the PropertyNotify events so we receive
-             * when the selection owner does send us the next
-             * chunk of data.
-             */
-            MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
-            XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
-                    &xw.attrs);
-
-            /*
-             * Deleting the property is the transfer start signal.
-             */
-            XDeleteProperty(xw.dpy, xw.win, (int)property);
-            continue;
-        }
-
-        /*
-         * As seen in getsel:
-         * Line endings are inconsistent in the terminal and GUI world
-         * copy and pasting. When receiving some selection data,
-         * replace all '\n' with '\r'.
-         * FIXME: Fix the computer world.
-         */
-        repl = data;
-        last = data + nitems * format / 8;
-        while ((repl = memchr(repl, '\n', last - repl))) {
-            *repl++ = '\r';
-        }
-
-        if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
-            ttywrite("\033[200~", 6);
-        ttysend((char *)data, nitems * format / 8);
-        if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
-            ttywrite("\033[201~", 6);
-        XFree(data);
-        /* number of 32-bit chunks returned */
-        ofs += nitems * format / 32;
-    } while (rem > 0);
-
-    /*
-     * Deleting the property again tells the selection owner to send the
-     * next data chunk in the property.
-     */
-    XDeleteProperty(xw.dpy, xw.win, (int)property);
-}
-
-void
 selpaste(const Arg *dummy)
 {
-    XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
-            xw.win, CurrentTime);
+    xselpaste();
 }
 
 void
 clipcopy(const Arg *dummy)
 {
-    Atom clipboard;
-
-    if (sel.clipboard != NULL)
-        free(sel.clipboard);
-
-    if (sel.primary != NULL) {
-        sel.clipboard = xstrdup(sel.primary);
-        clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-        XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-    }
+    xclipcopy();
 }
 
 void
 clippaste(const Arg *dummy)
 {
-    Atom clipboard;
-
-    clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-    XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
-            xw.win, CurrentTime);
+    xclippaste();
 }
 
 void
-selclear(XEvent *e)
+selclear(void)
 {
     if (sel.ob.x == -1)
         return;
@@ -1208,120 +612,6 @@ selclear(XEvent *e)
 }
 
 void
-selrequest(XEvent *e)
-{
-    XSelectionRequestEvent *xsre;
-    XSelectionEvent xev;
-    Atom xa_targets, string, clipboard;
-    char *seltext;
-
-    xsre = (XSelectionRequestEvent *) e;
-    xev.type = SelectionNotify;
-    xev.requestor = xsre->requestor;
-    xev.selection = xsre->selection;
-    xev.target = xsre->target;
-    xev.time = xsre->time;
-    if (xsre->property == None)
-        xsre->property = xsre->target;
-
-    /* reject */
-    xev.property = None;
-
-    xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
-    if (xsre->target == xa_targets) {
-        /* respond with the supported type */
-        string = sel.xtarget;
-        XChangeProperty(xsre->display, xsre->requestor, xsre->property,
-                XA_ATOM, 32, PropModeReplace,
-                (uchar *) &string, 1);
-        xev.property = xsre->property;
-    } else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
-        /*
-         * xith XA_STRING non ascii characters may be incorrect in the
-         * requestor. It is not our problem, use utf8.
-         */
-        clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-        if (xsre->selection == XA_PRIMARY) {
-            seltext = sel.primary;
-        } else if (xsre->selection == clipboard) {
-            seltext = sel.clipboard;
-        } else {
-            fprintf(stderr,
-                "Unhandled clipboard selection 0x%lx\n",
-                xsre->selection);
-            return;
-        }
-        if (seltext != NULL) {
-            XChangeProperty(xsre->display, xsre->requestor,
-                    xsre->property, xsre->target,
-                    8, PropModeReplace,
-                    (uchar *)seltext, strlen(seltext));
-            xev.property = xsre->property;
-        }
-    }
-
-    /* all done, send a notification to the listener */
-    if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
-        fprintf(stderr, "Error sending SelectionNotify event\n");
-}
-
-void
-xsetsel(char *str, Time t)
-{
-    free(sel.primary);
-    sel.primary = str;
-
-    XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
-    if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
-        selclear(0);
-}
-
-void
-brelease(XEvent *e)
-{
-    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-        mousereport(e);
-        return;
-    }
-
-    if (e->xbutton.button == Button2) {
-        selpaste(NULL);
-    } else if (e->xbutton.button == Button1) {
-        if (sel.mode == SEL_READY) {
-            getbuttoninfo(e);
-            selcopy(e->xbutton.time);
-        } else
-            selclear(NULL);
-        sel.mode = SEL_IDLE;
-        tsetdirt(sel.nb.y, sel.ne.y);
-    }
-}
-
-void
-bmotion(XEvent *e)
-{
-    int oldey, oldex, oldsby, oldsey;
-
-    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-        mousereport(e);
-        return;
-    }
-
-    if (!sel.mode)
-        return;
-
-    sel.mode = SEL_READY;
-    oldey = sel.oe.y;
-    oldex = sel.oe.x;
-    oldsby = sel.nb.y;
-    oldsey = sel.ne.y;
-    getbuttoninfo(e);
-
-    if (oldey != sel.oe.y || oldex != sel.oe.x)
-        tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
-}
-
-void
 die(const char *errstr, ...)
 {
     va_list ap;
@@ -1337,7 +627,6 @@ execsh(void)
 {
     char **args, *sh, *prog;
     const struct passwd *pw;
-    char buf[sizeof(long) * 8 + 1];
 
     errno = 0;
     if ((pw = getpwuid(getuid())) == NULL) {
@@ -1358,8 +647,6 @@ execsh(void)
         prog = sh;
     args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
 
-    snprintf(buf, sizeof(buf), "%lu", xw.win);
-
     unsetenv("COLUMNS");
     unsetenv("LINES");
     unsetenv("TERMCAP");
@@ -1368,7 +655,7 @@ execsh(void)
     setenv("SHELL", sh, 1);
     setenv("HOME", pw->pw_dir, 1);
     setenv("TERM", termname, 1);
-    setenv("WINDOWID", buf, 1);
+    xsetenv();
 
     signal(SIGCHLD, SIG_DFL);
     signal(SIGHUP, SIG_DFL);
@@ -1606,8 +893,8 @@ ttyresize(void)
 
     w.ws_row = term.row;
     w.ws_col = term.col;
-    w.ws_xpixel = xw.tw;
-    w.ws_ypixel = xw.th;
+    w.ws_xpixel = win.tw;
+    w.ws_ypixel = win.th;
     if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
         fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
 }
@@ -1771,7 +1058,7 @@ selscroll(int orig, int n)
 
     if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
         if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
-            selclear(NULL);
+            selclear();
             return;
         }
         if (sel.type == SEL_RECTANGULAR) {
@@ -1917,7 +1204,7 @@ tclearregion(int x1, int y1, int x2, int y2)
         for (x = x1; x <= x2; x++) {
             gp = &term.line[y][x];
             if (selected(x, y))
-                selclear(NULL);
+                selclear();
             gp->fg = term.c.attr.fg;
             gp->bg = term.c.attr.bg;
             gp->mode = 0;
@@ -2368,7 +1655,7 @@ csihandle(void)
         tputtab(csiescseq.arg[0]);
         break;
     case 'J': /* ED -- Clear screen */
-        selclear(NULL);
+        selclear();
         switch (csiescseq.arg[0]) {
         case 0: /* below */
             tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
@@ -2475,7 +1762,7 @@ csihandle(void)
             if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
                 goto unknown;
             }
-            xw.cursor = csiescseq.arg[0];
+            win.cursor = csiescseq.arg[0];
             break;
         default:
             goto unknown;
@@ -2642,12 +1929,13 @@ tprinter(char *s, size_t len)
 void
 iso14755(const Arg *arg)
 {
-    char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(xw.win)];
+    unsigned long id = xwinid();
+    char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(id)];
     FILE *p;
     char *us, *e, codepoint[9], uc[UTF_SIZ];
     unsigned long utf32;
 
-    snprintf(cmd, sizeof(cmd), ISO14755CMD, xw.win);
+    snprintf(cmd, sizeof(cmd), ISO14755CMD, id);
     if (!(p = popen(cmd, "r")))
         return;
 
@@ -2833,10 +2121,10 @@ tcontrolcode(uchar ascii)
             /* backwards compatibility to xterm */
             strhandle();
         } else {
-            if (!(xw.state & WIN_FOCUSED))
+            if (!(win.state & WIN_FOCUSED))
                 xseturgency(1);
             if (bellvolume)
-                XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
+                xbell(bellvolume);
         }
         break;
     case '\033': /* ESC */
@@ -2968,7 +2256,7 @@ eschandle(uchar ascii)
         break;
     case 'c': /* RIS -- Reset to inital state */
         treset();
-        xresettitle();
+        resettitle();
         xloadcols();
         break;
     case '=': /* DECPAM -- Application keypad */
@@ -3109,7 +2397,7 @@ check_control_code:
         return;
     }
     if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
-        selclear(NULL);
+        selclear();
 
     gp = &term.line[term.c.y][term.c.x];
     if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
@@ -3177,7 +2465,7 @@ tresize(int col, int row)
     }
 
     /* resize to new width */
-    term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
+    term.specbuf = xrealloc(term.specbuf, col * sizeof(GlyphFontSpec));
 
     /* resize to new height */
     term.line = xrealloc(term.line, row * sizeof(Line));
@@ -3228,993 +2516,66 @@ tresize(int col, int row)
 }
 
 void
-xresize(int col, int row)
+zoom(const Arg *arg)
 {
-    xw.tw = MAX(1, col * xw.cw);
-    xw.th = MAX(1, row * xw.ch);
-
-    XFreePixmap(xw.dpy, xw.buf);
-    xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
-            DefaultDepth(xw.dpy, xw.scr));
-    XftDrawChange(xw.draw, xw.buf);
-    xclear(0, 0, xw.w, xw.h);
-}
+    Arg larg;
 
-ushort
-sixd_to_16bit(int x)
-{
-    return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+    larg.f = usedfontsize + arg->f;
+    zoomabs(&larg);
 }
 
-int
-xloadcolor(int i, const char *name, Color *ncolor)
+void
+zoomabs(const Arg *arg)
 {
-    XRenderColor color = { .alpha = 0xffff };
-
-    if (!name) {
-        if (BETWEEN(i, 16, 255)) { /* 256 color */
-            if (i < 6*6*6+16) { /* same colors as xterm */
-                color.red   = sixd_to_16bit( ((i-16)/36)%6 );
-                color.green = sixd_to_16bit( ((i-16)/6) %6 );
-                color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
-            } else { /* greyscale */
-                color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
-                color.green = color.blue = color.red;
-            }
-            return XftColorAllocValue(xw.dpy, xw.vis,
-                                      xw.cmap, &color, ncolor);
-        } else
-            name = colorname[i];
-    }
-
-    return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+    xunloadfonts();
+    xloadfonts(usedfont, arg->f);
+    cresize(0, 0);
+    ttyresize();
+    redraw();
+    xhints();
 }
 
 void
-xloadcols(void)
+zoomreset(const Arg *arg)
 {
-    int i;
-    static int loaded;
-    Color *cp;
+    Arg larg;
 
-    if (loaded) {
-        for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
-            XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+    if (defaultfontsize > 0) {
+        larg.f = defaultfontsize;
+        zoomabs(&larg);
     }
-
-    for (i = 0; i < LEN(dc.col); i++)
-        if (!xloadcolor(i, NULL, &dc.col[i])) {
-            if (colorname[i])
-                die("Could not allocate color '%s'\n", colorname[i]);
-            else
-                die("Could not allocate color %d\n", i);
-        }
-    loaded = 1;
-}
-
-int
-xsetcolorname(int x, const char *name)
-{
-    Color ncolor;
-
-    if (!BETWEEN(x, 0, LEN(dc.col)))
-        return 1;
-
-
-    if (!xloadcolor(x, name, &ncolor))
-        return 1;
-
-    XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-    dc.col[x] = ncolor;
-
-    return 0;
 }
 
-/*
- * Absolute coordinates.
- */
 void
-xclear(int x1, int y1, int x2, int y2)
+resettitle(void)
 {
-    XftDrawRect(xw.draw,
-            &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
-            x1, y1, x2-x1, y2-y1);
+    xsettitle(opt_title ? opt_title : "st");
 }
 
 void
-xhints(void)
+redraw(void)
 {
-    XClassHint class = {opt_name ? opt_name : termname,
-                        opt_class ? opt_class : termname};
-    XWMHints wm = {.flags = InputHint, .input = 1};
-    XSizeHints *sizeh = NULL;
-
-    sizeh = XAllocSizeHints();
-
-    sizeh->flags = PSize | PResizeInc | PBaseSize;
-    sizeh->height = xw.h;
-    sizeh->width = xw.w;
-    sizeh->height_inc = xw.ch;
-    sizeh->width_inc = xw.cw;
-    sizeh->base_height = 2 * borderpx;
-    sizeh->base_width = 2 * borderpx;
-    if (xw.isfixed) {
-        sizeh->flags |= PMaxSize | PMinSize;
-        sizeh->min_width = sizeh->max_width = xw.w;
-        sizeh->min_height = sizeh->max_height = xw.h;
-    }
-    if (xw.gm & (XValue|YValue)) {
-        sizeh->flags |= USPosition | PWinGravity;
-        sizeh->x = xw.l;
-        sizeh->y = xw.t;
-        sizeh->win_gravity = xgeommasktogravity(xw.gm);
-    }
-
-    XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
-            &class);
-    XFree(sizeh);
+    tfulldirt();
+    draw();
 }
 
 int
-xgeommasktogravity(int mask)
+match(uint mask, uint state)
 {
-    switch (mask & (XNegative|YNegative)) {
-    case 0:
-        return NorthWestGravity;
-    case XNegative:
-        return NorthEastGravity;
-    case YNegative:
-        return SouthWestGravity;
-    }
-
-    return SouthEastGravity;
+    return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
 }
 
-int
-xloadfont(Font *f, FcPattern *pattern)
+void
+numlock(const Arg *dummy)
 {
-    FcPattern *configured;
-    FcPattern *match;
-    FcResult result;
-    XGlyphInfo extents;
-    int wantattr, haveattr;
+    term.numlock ^= 1;
+}
 
-    /*
-     * Manually configure instead of calling XftMatchFont
-     * so that we can use the configured pattern for
-     * "missing glyph" lookups.
-     */
-    configured = FcPatternDuplicate(pattern);
-    if (!configured)
-        return 1;
-
-    FcConfigSubstitute(NULL, configured, FcMatchPattern);
-    XftDefaultSubstitute(xw.dpy, xw.scr, configured);
-
-    match = FcFontMatch(NULL, configured, &result);
-    if (!match) {
-        FcPatternDestroy(configured);
-        return 1;
-    }
-
-    if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
-        FcPatternDestroy(configured);
-        FcPatternDestroy(match);
-        return 1;
-    }
-
-    if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
-        XftResultMatch)) {
-        /*
-         * Check if xft was unable to find a font with the appropriate
-         * slant but gave us one anyway. Try to mitigate.
-         */
-        if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
-            &haveattr) != XftResultMatch) || haveattr < wantattr) {
-            f->badslant = 1;
-            fputs("st: font slant does not match\n", stderr);
-        }
-    }
-
-    if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
-        XftResultMatch)) {
-        if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
-            &haveattr) != XftResultMatch) || haveattr != wantattr) {
-            f->badweight = 1;
-            fputs("st: font weight does not match\n", stderr);
-        }
-    }
-
-    XftTextExtentsUtf8(xw.dpy, f->match,
-        (const FcChar8 *) ascii_printable,
-        strlen(ascii_printable), &extents);
-
-    f->set = NULL;
-    f->pattern = configured;
-
-    f->ascent = f->match->ascent;
-    f->descent = f->match->descent;
-    f->lbearing = 0;
-    f->rbearing = f->match->max_advance_width;
-
-    f->height = f->ascent + f->descent;
-    f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
-
-    return 0;
-}
-
-void
-xloadfonts(char *fontstr, double fontsize)
-{
-    FcPattern *pattern;
-    double fontval;
-    float ceilf(float);
-
-    if (fontstr[0] == '-') {
-        pattern = XftXlfdParse(fontstr, False, False);
-    } else {
-        pattern = FcNameParse((FcChar8 *)fontstr);
-    }
-
-    if (!pattern)
-        die("st: can't open font %s\n", fontstr);
-
-    if (fontsize > 1) {
-        FcPatternDel(pattern, FC_PIXEL_SIZE);
-        FcPatternDel(pattern, FC_SIZE);
-        FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
-        usedfontsize = fontsize;
-    } else {
-        if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
-                FcResultMatch) {
-            usedfontsize = fontval;
-        } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
-                FcResultMatch) {
-            usedfontsize = -1;
-        } else {
-            /*
-             * Default font size is 12, if none given. This is to
-             * have a known usedfontsize value.
-             */
-            FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
-            usedfontsize = 12;
-        }
-        defaultfontsize = usedfontsize;
-    }
-
-    if (xloadfont(&dc.font, pattern))
-        die("st: can't open font %s\n", fontstr);
-
-    if (usedfontsize < 0) {
-        FcPatternGetDouble(dc.font.match->pattern,
-                           FC_PIXEL_SIZE, 0, &fontval);
-        usedfontsize = fontval;
-        if (fontsize == 0)
-            defaultfontsize = fontval;
-    }
-
-    /* Setting character width and height. */
-    xw.cw = ceilf(dc.font.width * cwscale);
-    xw.ch = ceilf(dc.font.height * chscale);
-
-    FcPatternDel(pattern, FC_SLANT);
-    FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-    if (xloadfont(&dc.ifont, pattern))
-        die("st: can't open font %s\n", fontstr);
-
-    FcPatternDel(pattern, FC_WEIGHT);
-    FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
-    if (xloadfont(&dc.ibfont, pattern))
-        die("st: can't open font %s\n", fontstr);
-
-    FcPatternDel(pattern, FC_SLANT);
-    FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
-    if (xloadfont(&dc.bfont, pattern))
-        die("st: can't open font %s\n", fontstr);
-
-    FcPatternDestroy(pattern);
-}
-
-void
-xunloadfont(Font *f)
-{
-    XftFontClose(xw.dpy, f->match);
-    FcPatternDestroy(f->pattern);
-    if (f->set)
-        FcFontSetDestroy(f->set);
-}
-
-void
-xunloadfonts(void)
-{
-    /* Free the loaded fonts in the font cache.  */
-    while (frclen > 0)
-        XftFontClose(xw.dpy, frc[--frclen].font);
-
-    xunloadfont(&dc.font);
-    xunloadfont(&dc.bfont);
-    xunloadfont(&dc.ifont);
-    xunloadfont(&dc.ibfont);
-}
-
-void
-xzoom(const Arg *arg)
-{
-    Arg larg;
-
-    larg.f = usedfontsize + arg->f;
-    xzoomabs(&larg);
-}
-
-void
-xzoomabs(const Arg *arg)
-{
-    xunloadfonts();
-    xloadfonts(usedfont, arg->f);
-    cresize(0, 0);
-    ttyresize();
-    redraw();
-    xhints();
-}
-
-void
-xzoomreset(const Arg *arg)
-{
-    Arg larg;
-
-    if (defaultfontsize > 0) {
-        larg.f = defaultfontsize;
-        xzoomabs(&larg);
-    }
-}
-
-void
-xinit(void)
-{
-    XGCValues gcvalues;
-    Cursor cursor;
-    Window parent;
-    pid_t thispid = getpid();
-    XColor xmousefg, xmousebg;
-
-    if (!(xw.dpy = XOpenDisplay(NULL)))
-        die("Can't open display\n");
-    xw.scr = XDefaultScreen(xw.dpy);
-    xw.vis = XDefaultVisual(xw.dpy, xw.scr);
-
-    /* font */
-    if (!FcInit())
-        die("Could not init fontconfig.\n");
-
-    usedfont = (opt_font == NULL)? font : opt_font;
-    xloadfonts(usedfont, 0);
-
-    /* colors */
-    xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
-    xloadcols();
-
-    /* adjust fixed window geometry */
-    xw.w = 2 * borderpx + term.col * xw.cw;
-    xw.h = 2 * borderpx + term.row * xw.ch;
-    if (xw.gm & XNegative)
-        xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
-    if (xw.gm & YNegative)
-        xw.t += DisplayHeight(xw.dpy, xw.scr) - xw.h - 2;
-
-    /* Events */
-    xw.attrs.background_pixel = dc.col[defaultbg].pixel;
-    xw.attrs.border_pixel = dc.col[defaultbg].pixel;
-    xw.attrs.bit_gravity = NorthWestGravity;
-    xw.attrs.event_mask = FocusChangeMask | KeyPressMask
-        | ExposureMask | VisibilityChangeMask | StructureNotifyMask
-        | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
-    xw.attrs.colormap = xw.cmap;
-
-    if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-        parent = XRootWindow(xw.dpy, xw.scr);
-    xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-            xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
-            xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
-            | CWEventMask | CWColormap, &xw.attrs);
-
-    memset(&gcvalues, 0, sizeof(gcvalues));
-    gcvalues.graphics_exposures = False;
-    dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
-            &gcvalues);
-    xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
-            DefaultDepth(xw.dpy, xw.scr));
-    XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
-    XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
-    /* Xft rendering context */
-    xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
-
-    /* input methods */
-    if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
-        XSetLocaleModifiers("@im=local");
-        if ((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
-            XSetLocaleModifiers("@im=");
-            if ((xw.xim = XOpenIM(xw.dpy,
-                    NULL, NULL, NULL)) == NULL) {
-                die("XOpenIM failed. Could not open input"
-                    " device.\n");
-            }
-        }
-    }
-    xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
-                       | XIMStatusNothing, XNClientWindow, xw.win,
-                       XNFocusWindow, xw.win, NULL);
-    if (xw.xic == NULL)
-        die("XCreateIC failed. Could not obtain input method.\n");
-
-    /* white cursor, black outline */
-    cursor = XCreateFontCursor(xw.dpy, mouseshape);
-    XDefineCursor(xw.dpy, xw.win, cursor);
-
-    if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
-        xmousefg.red   = 0xffff;
-        xmousefg.green = 0xffff;
-        xmousefg.blue  = 0xffff;
-    }
-
-    if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
-        xmousebg.red   = 0x0000;
-        xmousebg.green = 0x0000;
-        xmousebg.blue  = 0x0000;
-    }
-
-    XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
-
-    xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
-    xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
-    xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
-    XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
-    xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
-    XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
-            PropModeReplace, (uchar *)&thispid, 1);
-
-    xresettitle();
-    XMapWindow(xw.dpy, xw.win);
-    xhints();
-    XSync(xw.dpy, False);
-}
-
-int
-xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
-{
-    float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
-    ushort mode, prevmode = USHRT_MAX;
-    Font *font = &dc.font;
-    int frcflags = FRC_NORMAL;
-    float runewidth = xw.cw;
-    Rune rune;
-    FT_UInt glyphidx;
-    FcResult fcres;
-    FcPattern *fcpattern, *fontpattern;
-    FcFontSet *fcsets[] = { NULL };
-    FcCharSet *fccharset;
-    int i, f, numspecs = 0;
-
-    for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
-        /* Fetch rune and mode for current glyph. */
-        rune = glyphs[i].u;
-        mode = glyphs[i].mode;
-
-        /* Skip dummy wide-character spacing. */
-        if (mode == ATTR_WDUMMY)
-            continue;
-
-        /* Determine font for glyph if different from previous glyph. */
-        if (prevmode != mode) {
-            prevmode = mode;
-            font = &dc.font;
-            frcflags = FRC_NORMAL;
-            runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
-            if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
-                font = &dc.ibfont;
-                frcflags = FRC_ITALICBOLD;
-            } else if (mode & ATTR_ITALIC) {
-                font = &dc.ifont;
-                frcflags = FRC_ITALIC;
-            } else if (mode & ATTR_BOLD) {
-                font = &dc.bfont;
-                frcflags = FRC_BOLD;
-            }
-            yp = winy + font->ascent;
-        }
-
-        /* Lookup character index with default font. */
-        glyphidx = XftCharIndex(xw.dpy, font->match, rune);
-        if (glyphidx) {
-            specs[numspecs].font = font->match;
-            specs[numspecs].glyph = glyphidx;
-            specs[numspecs].x = (short)xp;
-            specs[numspecs].y = (short)yp;
-            xp += runewidth;
-            numspecs++;
-            continue;
-        }
-
-        /* Fallback on font cache, search the font cache for match. */
-        for (f = 0; f < frclen; f++) {
-            glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
-            /* Everything correct. */
-            if (glyphidx && frc[f].flags == frcflags)
-                break;
-            /* We got a default font for a not found glyph. */
-            if (!glyphidx && frc[f].flags == frcflags
-                    && frc[f].unicodep == rune) {
-                break;
-            }
-        }
-
-        /* Nothing was found. Use fontconfig to find matching font. */
-        if (f >= frclen) {
-            if (!font->set)
-                font->set = FcFontSort(0, font->pattern,
-                                       1, 0, &fcres);
-            fcsets[0] = font->set;
-
-            /*
-             * Nothing was found in the cache. Now use
-             * some dozen of Fontconfig calls to get the
-             * font for one single character.
-             *
-             * Xft and fontconfig are design failures.
-             */
-            fcpattern = FcPatternDuplicate(font->pattern);
-            fccharset = FcCharSetCreate();
-
-            FcCharSetAddChar(fccharset, rune);
-            FcPatternAddCharSet(fcpattern, FC_CHARSET,
-                    fccharset);
-            FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
-            FcConfigSubstitute(0, fcpattern,
-                    FcMatchPattern);
-            FcDefaultSubstitute(fcpattern);
-
-            fontpattern = FcFontSetMatch(0, fcsets, 1,
-                    fcpattern, &fcres);
-
-            /*
-             * Overwrite or create the new cache entry.
-             */
-            if (frclen >= LEN(frc)) {
-                frclen = LEN(frc) - 1;
-                XftFontClose(xw.dpy, frc[frclen].font);
-                frc[frclen].unicodep = 0;
-            }
-
-            frc[frclen].font = XftFontOpenPattern(xw.dpy,
-                    fontpattern);
-            frc[frclen].flags = frcflags;
-            frc[frclen].unicodep = rune;
-
-            glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
-            f = frclen;
-            frclen++;
-
-            FcPatternDestroy(fcpattern);
-            FcCharSetDestroy(fccharset);
-        }
-
-        specs[numspecs].font = frc[f].font;
-        specs[numspecs].glyph = glyphidx;
-        specs[numspecs].x = (short)xp;
-        specs[numspecs].y = (short)yp;
-        xp += runewidth;
-        numspecs++;
-    }
-
-    return numspecs;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
-{
-    int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
-    int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
-        width = charlen * xw.cw;
-    Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
-    XRenderColor colfg, colbg;
-    XRectangle r;
-
-    /* Fallback on color display for attributes not supported by the font */
-    if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
-        if (dc.ibfont.badslant || dc.ibfont.badweight)
-            base.fg = defaultattr;
-    } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
-        (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
-        base.fg = defaultattr;
-    }
-
-    if (IS_TRUECOL(base.fg)) {
-        colfg.alpha = 0xffff;
-        colfg.red = TRUERED(base.fg);
-        colfg.green = TRUEGREEN(base.fg);
-        colfg.blue = TRUEBLUE(base.fg);
-        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
-        fg = &truefg;
-    } else {
-        fg = &dc.col[base.fg];
-    }
-
-    if (IS_TRUECOL(base.bg)) {
-        colbg.alpha = 0xffff;
-        colbg.green = TRUEGREEN(base.bg);
-        colbg.red = TRUERED(base.bg);
-        colbg.blue = TRUEBLUE(base.bg);
-        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
-        bg = &truebg;
-    } else {
-        bg = &dc.col[base.bg];
-    }
-
-    /* Change basic system colors [0-7] to bright system colors [8-15] */
-    if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
-        fg = &dc.col[base.fg + 8];
-
-    if (IS_SET(MODE_REVERSE)) {
-        if (fg == &dc.col[defaultfg]) {
-            fg = &dc.col[defaultbg];
-        } else {
-            colfg.red = ~fg->color.red;
-            colfg.green = ~fg->color.green;
-            colfg.blue = ~fg->color.blue;
-            colfg.alpha = fg->color.alpha;
-            XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
-                    &revfg);
-            fg = &revfg;
-        }
-
-        if (bg == &dc.col[defaultbg]) {
-            bg = &dc.col[defaultfg];
-        } else {
-            colbg.red = ~bg->color.red;
-            colbg.green = ~bg->color.green;
-            colbg.blue = ~bg->color.blue;
-            colbg.alpha = bg->color.alpha;
-            XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
-                    &revbg);
-            bg = &revbg;
-        }
-    }
-
-    if (base.mode & ATTR_REVERSE) {
-        temp = fg;
-        fg = bg;
-        bg = temp;
-    }
-
-    if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
-        colfg.red = fg->color.red / 2;
-        colfg.green = fg->color.green / 2;
-        colfg.blue = fg->color.blue / 2;
-        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
-        fg = &revfg;
-    }
-
-    if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
-        fg = bg;
-
-    if (base.mode & ATTR_INVISIBLE)
-        fg = bg;
-
-    /* Intelligent cleaning up of the borders. */
-    if (x == 0) {
-        xclear(0, (y == 0)? 0 : winy, borderpx,
-            winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
-    }
-    if (x + charlen >= term.col) {
-        xclear(winx + width, (y == 0)? 0 : winy, xw.w,
-            ((y >= term.row-1)? xw.h : (winy + xw.ch)));
-    }
-    if (y == 0)
-        xclear(winx, 0, winx + width, borderpx);
-    if (y == term.row-1)
-        xclear(winx, winy + xw.ch, winx + width, xw.h);
-
-    /* Clean up the region we want to draw to. */
-    XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
-
-    /* Set the clip region because Xft is sometimes dirty. */
-    r.x = 0;
-    r.y = 0;
-    r.height = xw.ch;
-    r.width = width;
-    XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
-
-    /* Render the glyphs. */
-    XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
-    /* Render underline and strikethrough. */
-    if (base.mode & ATTR_UNDERLINE) {
-        XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
-                width, 1);
-    }
-
-    if (base.mode & ATTR_STRUCK) {
-        XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
-                width, 1);
-    }
-
-    /* Reset clip to none. */
-    XftDrawSetClip(xw.draw, 0);
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
-    int numspecs;
-    XftGlyphFontSpec spec;
-
-    numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
-    xdrawglyphfontspecs(&spec, g, numspecs, x, y);
-}
-
-void
-xdrawcursor(void)
-{
-    static int oldx = 0, oldy = 0;
-    int curx;
-    Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
-    int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-    Color drawcol;
-
-    LIMIT(oldx, 0, term.col-1);
-    LIMIT(oldy, 0, term.row-1);
-
-    curx = term.c.x;
-
-    /* adjust position if in dummy */
-    if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
-        oldx--;
-    if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
-        curx--;
-
-    /* remove the old cursor */
-    og = term.line[oldy][oldx];
-    if (ena_sel && selected(oldx, oldy))
-        og.mode ^= ATTR_REVERSE;
-    xdrawglyph(og, oldx, oldy);
-
-    g.u = term.line[term.c.y][term.c.x].u;
-
-    /*
-     * Select the right color for the right mode.
-     */
-    if (IS_SET(MODE_REVERSE)) {
-        g.mode |= ATTR_REVERSE;
-        g.bg = defaultfg;
-        if (ena_sel && selected(term.c.x, term.c.y)) {
-            drawcol = dc.col[defaultcs];
-            g.fg = defaultrcs;
-        } else {
-            drawcol = dc.col[defaultrcs];
-            g.fg = defaultcs;
-        }
-    } else {
-        if (ena_sel && selected(term.c.x, term.c.y)) {
-            drawcol = dc.col[defaultrcs];
-            g.fg = defaultfg;
-            g.bg = defaultrcs;
-        } else {
-            drawcol = dc.col[defaultcs];
-        }
-    }
-
-    if (IS_SET(MODE_HIDE))
-        return;
-
-    /* draw the new one */
-    if (xw.state & WIN_FOCUSED) {
-        switch (xw.cursor) {
-        case 7: /* st extension: snowman */
-            utf8decode("☃", &g.u, UTF_SIZ);
-        case 0: /* Blinking Block */
-        case 1: /* Blinking Block (Default) */
-        case 2: /* Steady Block */
-            g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
-            xdrawglyph(g, term.c.x, term.c.y);
-            break;
-        case 3: /* Blinking Underline */
-        case 4: /* Steady Underline */
-            XftDrawRect(xw.draw, &drawcol,
-                    borderpx + curx * xw.cw,
-                    borderpx + (term.c.y + 1) * xw.ch - \
-                        cursorthickness,
-                    xw.cw, cursorthickness);
-            break;
-        case 5: /* Blinking bar */
-        case 6: /* Steady bar */
-            XftDrawRect(xw.draw, &drawcol,
-                    borderpx + curx * xw.cw,
-                    borderpx + term.c.y * xw.ch,
-                    cursorthickness, xw.ch);
-            break;
-        }
-    } else {
-        XftDrawRect(xw.draw, &drawcol,
-                borderpx + curx * xw.cw,
-                borderpx + term.c.y * xw.ch,
-                xw.cw - 1, 1);
-        XftDrawRect(xw.draw, &drawcol,
-                borderpx + curx * xw.cw,
-                borderpx + term.c.y * xw.ch,
-                1, xw.ch - 1);
-        XftDrawRect(xw.draw, &drawcol,
-                borderpx + (curx + 1) * xw.cw - 1,
-                borderpx + term.c.y * xw.ch,
-                1, xw.ch - 1);
-        XftDrawRect(xw.draw, &drawcol,
-                borderpx + curx * xw.cw,
-                borderpx + (term.c.y + 1) * xw.ch - 1,
-                xw.cw, 1);
-    }
-    oldx = curx, oldy = term.c.y;
-}
-
-
-void
-xsettitle(char *p)
-{
-    XTextProperty prop;
-
-    Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
-            &prop);
-    XSetWMName(xw.dpy, xw.win, &prop);
-    XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
-    XFree(prop.value);
-}
-
-void
-xresettitle(void)
-{
-    xsettitle(opt_title ? opt_title : "st");
-}
-
-void
-redraw(void)
-{
-    tfulldirt();
-    draw();
-}
-
-void
-draw(void)
-{
-    drawregion(0, 0, term.col, term.row);
-    XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
-            xw.h, 0, 0);
-    XSetForeground(xw.dpy, dc.gc,
-            dc.col[IS_SET(MODE_REVERSE)?
-                defaultfg : defaultbg].pixel);
-}
-
-void
-drawregion(int x1, int y1, int x2, int y2)
-{
-    int i, x, y, ox, numspecs;
-    Glyph base, new;
-    XftGlyphFontSpec *specs;
-    int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-
-    if (!(xw.state & WIN_VISIBLE))
-        return;
-
-    for (y = y1; y < y2; y++) {
-        if (!term.dirty[y])
-            continue;
-
-        term.dirty[y] = 0;
-
-        specs = term.specbuf;
-        numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
-
-        i = ox = 0;
-        for (x = x1; x < x2 && i < numspecs; x++) {
-            new = term.line[y][x];
-            if (new.mode == ATTR_WDUMMY)
-                continue;
-            if (ena_sel && selected(x, y))
-                new.mode ^= ATTR_REVERSE;
-            if (i > 0 && ATTRCMP(base, new)) {
-                xdrawglyphfontspecs(specs, base, i, ox, y);
-                specs += i;
-                numspecs -= i;
-                i = 0;
-            }
-            if (i == 0) {
-                ox = x;
-                base = new;
-            }
-            i++;
-        }
-        if (i > 0)
-            xdrawglyphfontspecs(specs, base, i, ox, y);
-    }
-    xdrawcursor();
-}
-
-void
-expose(XEvent *ev)
-{
-    redraw();
-}
-
-void
-visibility(XEvent *ev)
-{
-    XVisibilityEvent *e = &ev->xvisibility;
-
-    MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
-}
-
-void
-unmap(XEvent *ev)
-{
-    xw.state &= ~WIN_VISIBLE;
-}
-
-void
-xsetpointermotion(int set)
-{
-    MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
-    XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void
-xseturgency(int add)
-{
-    XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
-    MODBIT(h->flags, add, XUrgencyHint);
-    XSetWMHints(xw.dpy, xw.win, h);
-    XFree(h);
-}
-
-void
-focus(XEvent *ev)
-{
-    XFocusChangeEvent *e = &ev->xfocus;
-
-    if (e->mode == NotifyGrab)
-        return;
-
-    if (ev->type == FocusIn) {
-        XSetICFocus(xw.xic);
-        xw.state |= WIN_FOCUSED;
-        xseturgency(0);
-        if (IS_SET(MODE_FOCUS))
-            ttywrite("\033[I", 3);
-    } else {
-        XUnsetICFocus(xw.xic);
-        xw.state &= ~WIN_FOCUSED;
-        if (IS_SET(MODE_FOCUS))
-            ttywrite("\033[O", 3);
-    }
-}
-
-int
-match(uint mask, uint state)
-{
-    return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
-void
-numlock(const Arg *dummy)
-{
-    term.numlock ^= 1;
-}
-
-char*
-kmap(KeySym k, uint state)
-{
-    Key *kp;
-    int i;
+char*
+kmap(KeySym k, uint state)
+{
+    Key *kp;
+    int i;
 
     /* Check for mapped keys out of X11 function keys. */
     for (i = 0; i < LEN(mappedkeys); i++) {
@@ -4251,211 +2612,23 @@ kmap(KeySym k, uint state)
 }
 
 void
-kpress(XEvent *ev)
-{
-    XKeyEvent *e = &ev->xkey;
-    KeySym ksym;
-    char buf[32], *customkey;
-    int len;
-    Rune c;
-    Status status;
-    Shortcut *bp;
-
-    if (IS_SET(MODE_KBDLOCK))
-        return;
-
-    len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
-    /* 1. shortcuts */
-    for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
-        if (ksym == bp->keysym && match(bp->mod, e->state)) {
-            bp->func(&(bp->arg));
-            return;
-        }
-    }
-
-    /* 2. custom keys from config.h */
-    if ((customkey = kmap(ksym, e->state))) {
-        ttysend(customkey, strlen(customkey));
-        return;
-    }
-
-    /* 3. composed string from input method */
-    if (len == 0)
-        return;
-    if (len == 1 && e->state & Mod1Mask) {
-        if (IS_SET(MODE_8BIT)) {
-            if (*buf < 0177) {
-                c = *buf | 0x80;
-                len = utf8encode(c, buf);
-            }
-        } else {
-            buf[1] = buf[0];
-            buf[0] = '\033';
-            len = 2;
-        }
-    }
-    ttysend(buf, len);
-}
-
-
-void
-cmessage(XEvent *e)
-{
-    /*
-     * See xembed specs
-     *  http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
-     */
-    if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
-        if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
-            xw.state |= WIN_FOCUSED;
-            xseturgency(0);
-        } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
-            xw.state &= ~WIN_FOCUSED;
-        }
-    } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
-        /* Send SIGHUP to shell */
-        kill(pid, SIGHUP);
-        exit(0);
-    }
-}
-
-void
 cresize(int width, int height)
 {
     int col, row;
 
     if (width != 0)
-        xw.w = width;
+        win.w = width;
     if (height != 0)
-        xw.h = height;
+        win.h = height;
 
-    col = (xw.w - 2 * borderpx) / xw.cw;
-    row = (xw.h - 2 * borderpx) / xw.ch;
+    col = (win.w - 2 * borderpx) / win.cw;
+    row = (win.h - 2 * borderpx) / win.ch;
 
     tresize(col, row);
     xresize(col, row);
 }
 
 void
-resize(XEvent *e)
-{
-    if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
-        return;
-
-    cresize(e->xconfigure.width, e->xconfigure.height);
-    ttyresize();
-}
-
-void
-run(void)
-{
-    XEvent ev;
-    int w = xw.w, h = xw.h;
-    fd_set rfd;
-    int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
-    struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
-    long deltatime;
-
-    /* Waiting for window mapping */
-    do {
-        XNextEvent(xw.dpy, &ev);
-        /*
-         * This XFilterEvent call is required because of XOpenIM. It
-         * does filter out the key event and some client message for
-         * the input method too.
-         */
-        if (XFilterEvent(&ev, None))
-            continue;
-        if (ev.type == ConfigureNotify) {
-            w = ev.xconfigure.width;
-            h = ev.xconfigure.height;
-        }
-    } while (ev.type != MapNotify);
-
-    cresize(w, h);
-    ttynew();
-    ttyresize();
-
-    clock_gettime(CLOCK_MONOTONIC, &last);
-    lastblink = last;
-
-    for (xev = actionfps;;) {
-        FD_ZERO(&rfd);
-        FD_SET(cmdfd, &rfd);
-        FD_SET(xfd, &rfd);
-
-        if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
-            if (errno == EINTR)
-                continue;
-            die("select failed: %s\n", strerror(errno));
-        }
-        if (FD_ISSET(cmdfd, &rfd)) {
-            ttyread();
-            if (blinktimeout) {
-                blinkset = tattrset(ATTR_BLINK);
-                if (!blinkset)
-                    MODBIT(term.mode, 0, MODE_BLINK);
-            }
-        }
-
-        if (FD_ISSET(xfd, &rfd))
-            xev = actionfps;
-
-        clock_gettime(CLOCK_MONOTONIC, &now);
-        drawtimeout.tv_sec = 0;
-        drawtimeout.tv_nsec =  (1000 * 1E6)/ xfps;
-        tv = &drawtimeout;
-
-        dodraw = 0;
-        if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
-            tsetdirtattr(ATTR_BLINK);
-            term.mode ^= MODE_BLINK;
-            lastblink = now;
-            dodraw = 1;
-        }
-        deltatime = TIMEDIFF(now, last);
-        if (deltatime > 1000 / (xev ? xfps : actionfps)) {
-            dodraw = 1;
-            last = now;
-        }
-
-        if (dodraw) {
-            while (XPending(xw.dpy)) {
-                XNextEvent(xw.dpy, &ev);
-                if (XFilterEvent(&ev, None))
-                    continue;
-                if (handler[ev.type])
-                    (handler[ev.type])(&ev);
-            }
-
-            draw();
-            XFlush(xw.dpy);
-
-            if (xev && !FD_ISSET(xfd, &rfd))
-                xev--;
-            if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
-                if (blinkset) {
-                    if (TIMEDIFF(now, lastblink) \
-                            > blinktimeout) {
-                        drawtimeout.tv_nsec = 1000;
-                    } else {
-                        drawtimeout.tv_nsec = (1E6 * \
-                            (blinktimeout - \
-                            TIMEDIFF(now,
-                                lastblink)));
-                    }
-                    drawtimeout.tv_sec = \
-                        drawtimeout.tv_nsec / 1E9;
-                    drawtimeout.tv_nsec %= (long)1E9;
-                } else {
-                    tv = NULL;
-                }
-            }
-        }
-    }
-}
-
-void
 usage(void)
 {
     die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
@@ -4467,72 +2640,3 @@ usage(void)
         "          [-T title] [-t title] [-w windowid] -l line"
         " [stty_args ...]\n", argv0, argv0);
 }
-
-int
-main(int argc, char *argv[])
-{
-    xw.l = xw.t = 0;
-    xw.isfixed = False;
-    xw.cursor = cursorshape;
-
-    ARGBEGIN {
-    case 'a':
-        allowaltscreen = 0;
-        break;
-    case 'c':
-        opt_class = EARGF(usage());
-        break;
-    case 'e':
-        if (argc > 0)
-            --argc, ++argv;
-        goto run;
-    case 'f':
-        opt_font = EARGF(usage());
-        break;
-    case 'g':
-        xw.gm = XParseGeometry(EARGF(usage()),
-                &xw.l, &xw.t, &cols, &rows);
-        break;
-    case 'i':
-        xw.isfixed = 1;
-        break;
-    case 'o':
-        opt_io = EARGF(usage());
-        break;
-    case 'l':
-        opt_line = EARGF(usage());
-        break;
-    case 'n':
-        opt_name = EARGF(usage());
-        break;
-    case 't':
-    case 'T':
-        opt_title = EARGF(usage());
-        break;
-    case 'w':
-        opt_embed = EARGF(usage());
-        break;
-    case 'v':
-        die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
-        break;
-    default:
-        usage();
-    } ARGEND;
-
-run:
-    if (argc > 0) {
-        /* eat all remaining arguments */
-        opt_cmd = argv;
-        if (!opt_title && !opt_line)
-            opt_title = basename(xstrdup(argv[0]));
-    }
-    setlocale(LC_CTYPE, "");
-    XSetLocaleModifiers("");
-    tnew(MAX(cols, 1), MAX(rows, 1));
-    xinit();
-    selinit();
-    run();
-
-    return 0;
-}
-
diff --git a/st.h b/st.h
@@ -0,0 +1,272 @@
+/* See LICENSE for license details. */
+
+/* Arbitrary sizes */
+#define UTF_SIZ       4
+
+/* macros */
+#define MIN(a, b)        ((a) < (b) ? (a) : (b))
+#define MAX(a, b)        ((a) < (b) ? (b) : (a))
+#define LEN(a)            (sizeof(a) / sizeof(a)[0])
+#define BETWEEN(x, a, b)    ((a) <= (x) && (x) <= (b))
+#define DIVCEIL(n, d)        (((n) + ((d) - 1)) / (d))
+#define LIMIT(x, a, b)        (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
+#define ATTRCMP(a, b)        ((a).mode != (b).mode || (a).fg != (b).fg || \
+                (a).bg != (b).bg)
+#define IS_SET(flag)        ((term.mode & (flag)) != 0)
+#define TIMEDIFF(t1, t2)    ((t1.tv_sec-t2.tv_sec)*1000 + \
+                (t1.tv_nsec-t2.tv_nsec)/1E6)
+#define MODBIT(x, set, bit)    ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
+
+#define TRUECOLOR(r,g,b)    (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x)        (1 << 24 & (x))
+
+enum glyph_attribute {
+    ATTR_NULL       = 0,
+    ATTR_BOLD       = 1 << 0,
+    ATTR_FAINT      = 1 << 1,
+    ATTR_ITALIC     = 1 << 2,
+    ATTR_UNDERLINE  = 1 << 3,
+    ATTR_BLINK      = 1 << 4,
+    ATTR_REVERSE    = 1 << 5,
+    ATTR_INVISIBLE  = 1 << 6,
+    ATTR_STRUCK     = 1 << 7,
+    ATTR_WRAP       = 1 << 8,
+    ATTR_WIDE       = 1 << 9,
+    ATTR_WDUMMY     = 1 << 10,
+    ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
+};
+
+enum term_mode {
+    MODE_WRAP        = 1 << 0,
+    MODE_INSERT      = 1 << 1,
+    MODE_APPKEYPAD   = 1 << 2,
+    MODE_ALTSCREEN   = 1 << 3,
+    MODE_CRLF        = 1 << 4,
+    MODE_MOUSEBTN    = 1 << 5,
+    MODE_MOUSEMOTION = 1 << 6,
+    MODE_REVERSE     = 1 << 7,
+    MODE_KBDLOCK     = 1 << 8,
+    MODE_HIDE        = 1 << 9,
+    MODE_ECHO        = 1 << 10,
+    MODE_APPCURSOR   = 1 << 11,
+    MODE_MOUSESGR    = 1 << 12,
+    MODE_8BIT        = 1 << 13,
+    MODE_BLINK       = 1 << 14,
+    MODE_FBLINK      = 1 << 15,
+    MODE_FOCUS       = 1 << 16,
+    MODE_MOUSEX10    = 1 << 17,
+    MODE_MOUSEMANY   = 1 << 18,
+    MODE_BRCKTPASTE  = 1 << 19,
+    MODE_PRINT       = 1 << 20,
+    MODE_UTF8        = 1 << 21,
+    MODE_SIXEL       = 1 << 22,
+    MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
+                      |MODE_MOUSEMANY,
+};
+
+enum selection_mode {
+    SEL_IDLE = 0,
+    SEL_EMPTY = 1,
+    SEL_READY = 2
+};
+
+enum selection_type {
+    SEL_REGULAR = 1,
+    SEL_RECTANGULAR = 2
+};
+
+enum selection_snap {
+    SNAP_WORD = 1,
+    SNAP_LINE = 2
+};
+
+enum window_state {
+    WIN_VISIBLE = 1,
+    WIN_FOCUSED = 2
+};
+
+typedef unsigned char uchar;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+typedef unsigned short ushort;
+
+typedef uint_least32_t Rune;
+
+typedef struct {
+    Rune u;           /* character code */
+    ushort mode;      /* attribute flags */
+    uint32_t fg;      /* foreground  */
+    uint32_t bg;      /* background  */
+} Glyph;
+
+typedef Glyph *Line;
+
+typedef struct {
+    Glyph attr; /* current char attributes */
+    int x;
+    int y;
+    char state;
+} TCursor;
+
+/* Internal representation of the screen */
+typedef struct {
+    int row;      /* nb row */
+    int col;      /* nb col */
+    Line *line;   /* screen */
+    Line *alt;    /* alternate screen */
+    int *dirty;  /* dirtyness of lines */
+    GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
+    TCursor c;    /* cursor */
+    int top;      /* top    scroll limit */
+    int bot;      /* bottom scroll limit */
+    int mode;     /* terminal mode flags */
+    int esc;      /* escape state flags */
+    char trantbl[4]; /* charset table translation */
+    int charset;  /* current charset */
+    int icharset; /* selected charset for sequence */
+    int numlock; /* lock numbers in keyboard */
+    int *tabs;
+} Term;
+
+/* Purely graphic info */
+typedef struct {
+    int tw, th; /* tty width and height */
+    int w, h; /* window width and height */
+    int ch; /* char height */
+    int cw; /* char width  */
+    char state; /* focus, redraw, visible */
+    int cursor; /* cursor style */
+} TermWindow;
+
+typedef struct {
+    uint b;
+    uint mask;
+    char *s;
+} MouseShortcut;
+
+typedef struct {
+    int mode;
+    int type;
+    int snap;
+    /*
+     * Selection variables:
+     * nb – normalized coordinates of the beginning of the selection
+     * ne – normalized coordinates of the end of the selection
+     * ob – original coordinates of the beginning of the selection
+     * oe – original coordinates of the end of the selection
+     */
+    struct {
+        int x, y;
+    } nb, ne, ob, oe;
+
+    char *primary, *clipboard;
+    int alt;
+    struct timespec tclick1;
+    struct timespec tclick2;
+
+    //Atom xtarget;
+} Selection;
+
+typedef union {
+    int i;
+    uint ui;
+    float f;
+    const void *v;
+} Arg;
+
+typedef struct {
+    uint mod;
+    KeySym keysym;
+    void (*func)(const Arg *);
+    const Arg arg;
+} Shortcut;
+
+void die(const char *, ...);
+void redraw(void);
+
+int tattrset(int);
+void tnew(int, int);
+void tsetdirt(int, int);
+void tsetdirtattr(int);
+int match(uint, uint);
+void ttynew(void);
+size_t ttyread(void);
+void ttyresize(void);
+void ttysend(char *, size_t);
+void ttywrite(const char *, size_t);
+
+void resettitle(void);
+
+char *kmap(KeySym, uint);
+void cresize(int, int);
+void selclear(void);
+
+void selinit(void);
+void selnormalize(void);
+int selected(int, int);
+char *getsel(void);
+int x2col(int);
+int y2row(int);
+
+size_t utf8decode(char *, Rune *, size_t);
+size_t utf8encode(Rune, char *);
+
+void *xmalloc(size_t);
+char *xstrdup(char *);
+
+void usage(void);
+
+/* Globals */
+extern TermWindow win;
+extern Term term;
+extern Selection sel;
+extern int cmdfd;
+extern pid_t pid;
+extern char **opt_cmd;
+extern char *opt_class;
+extern char *opt_embed;
+extern char *opt_font;
+extern char *opt_io;
+extern char *opt_line;
+extern char *opt_name;
+extern char *opt_title;
+extern int oldbutton;
+
+extern char *usedfont;
+extern double usedfontsize;
+extern double defaultfontsize;
+
+/* config.h globals */
+extern char font[];
+extern int borderpx;
+extern float cwscale;
+extern float chscale;
+extern unsigned int doubleclicktimeout;
+extern unsigned int tripleclicktimeout;
+extern int allowaltscreen;
+extern unsigned int xfps;
+extern unsigned int actionfps;
+extern unsigned int cursorthickness;
+extern unsigned int blinktimeout;
+extern char termname[];
+extern const char *colorname[];
+extern size_t colornamelen;
+extern unsigned int defaultfg;
+extern unsigned int defaultbg;
+extern unsigned int defaultcs;
+extern unsigned int defaultrcs;
+extern unsigned int cursorshape;
+extern unsigned int cols;
+extern unsigned int rows;
+extern unsigned int mouseshape;
+extern unsigned int mousefg;
+extern unsigned int mousebg;
+extern unsigned int defaultattr;
+extern MouseShortcut mshortcuts[];
+extern size_t mshortcutslen;
+extern Shortcut shortcuts[];
+extern size_t shortcutslen;
+extern uint forceselmod;
+extern uint selmasks[];
+extern size_t selmaskslen;
+extern char ascii_printable[];
diff --git a/win.h b/win.h
@@ -0,0 +1,29 @@
+/* See LICENSE for license details. */
+
+/* X modifiers */
+#define XK_ANY_MOD    UINT_MAX
+#define XK_NO_MOD     0
+#define XK_SWITCH_MOD (1<<13)
+
+typedef XftGlyphFontSpec GlyphFontSpec;
+
+void draw(void);
+void drawregion(int, int, int, int);
+void run(void);
+
+void xbell(int);
+void xclipcopy(void);
+void xclippaste(void);
+void xhints(void);
+void xinit(void);
+void xloadcols(void);
+int xsetcolorname(int, const char *);
+void xloadfonts(char *, double);
+void xsetenv(void);
+void xsettitle(char *);
+void xsetpointermotion(int);
+void xseturgency(int);
+void xunloadfonts(void);
+void xresize(int, int);
+void xselpaste(void);
+unsigned long xwinid(void);
diff --git a/x.c b/x.c
@@ -0,0 +1,1766 @@
+/* See LICENSE for license details. */
+#include <errno.h>
+#include <locale.h>
+#include <signal.h>
+#include <stdint.h>
+#include <sys/select.h>
+#include <time.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+#include <X11/Xft/Xft.h>
+#include <X11/XKBlib.h>
+
+#include "arg.h"
+
+#define Glyph Glyph_
+#define Font Font_
+
+#include "win.h"
+#include "st.h"
+
+/* XEMBED messages */
+#define XEMBED_FOCUS_IN  4
+#define XEMBED_FOCUS_OUT 5
+
+/* macros */
+#define TRUERED(x)        (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x)        (((x) & 0xff00))
+#define TRUEBLUE(x)        (((x) & 0xff) << 8)
+
+typedef XftDraw *Draw;
+typedef XftColor Color;
+
+/* Purely graphic info */
+typedef struct {
+    Display *dpy;
+    Colormap cmap;
+    Window win;
+    Drawable buf;
+    Atom xembed, wmdeletewin, netwmname, netwmpid;
+    XIM xim;
+    XIC xic;
+    Draw draw;
+    Visual *vis;
+    XSetWindowAttributes attrs;
+    int scr;
+    int isfixed; /* is fixed geometry? */
+    int l, t; /* left and top offset */
+    int gm; /* geometry mask */
+} XWindow;
+
+typedef struct {
+    Atom xtarget;
+} XSelection;
+
+/* Font structure */
+typedef struct {
+    int height;
+    int width;
+    int ascent;
+    int descent;
+    int badslant;
+    int badweight;
+    short lbearing;
+    short rbearing;
+    XftFont *match;
+    FcFontSet *set;
+    FcPattern *pattern;
+} Font;
+
+/* Drawing Context */
+typedef struct {
+    Color *col;
+    size_t collen;
+    Font font, bfont, ifont, ibfont;
+    GC gc;
+} DC;
+
+static inline ushort sixd_to_16bit(int);
+static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
+static void xdrawglyph(Glyph, int, int);
+static void xclear(int, int, int, int);
+static void xdrawcursor(void);
+static int xgeommasktogravity(int);
+static int xloadfont(Font *, FcPattern *);
+static void xsetsel(char *, Time);
+static void xunloadfont(Font *);
+
+static void expose(XEvent *);
+static void visibility(XEvent *);
+static void unmap(XEvent *);
+static void kpress(XEvent *);
+static void cmessage(XEvent *);
+static void resize(XEvent *);
+static void focus(XEvent *);
+static void brelease(XEvent *);
+static void bpress(XEvent *);
+static void bmotion(XEvent *);
+static void propnotify(XEvent *);
+static void selnotify(XEvent *);
+static void selclear_(XEvent *);
+static void selrequest(XEvent *);
+
+static void selcopy(Time);
+static void getbuttoninfo(XEvent *);
+static void mousereport(XEvent *);
+
+static void (*handler[LASTEvent])(XEvent *) = {
+    [KeyPress] = kpress,
+    [ClientMessage] = cmessage,
+    [ConfigureNotify] = resize,
+    [VisibilityNotify] = visibility,
+    [UnmapNotify] = unmap,
+    [Expose] = expose,
+    [FocusIn] = focus,
+    [FocusOut] = focus,
+    [MotionNotify] = bmotion,
+    [ButtonPress] = bpress,
+    [ButtonRelease] = brelease,
+/*
+ * Uncomment if you want the selection to disappear when you select something
+ * different in another window.
+ */
+/*    [SelectionClear] = selclear_, */
+    [SelectionNotify] = selnotify,
+/*
+ * PropertyNotify is only turned on when there is some INCR transfer happening
+ * for the selection retrieval.
+ */
+    [PropertyNotify] = propnotify,
+    [SelectionRequest] = selrequest,
+};
+
+/* Globals */
+static DC dc;
+static XWindow xw;
+static XSelection xsel;
+
+/* Font Ring Cache */
+enum {
+    FRC_NORMAL,
+    FRC_ITALIC,
+    FRC_BOLD,
+    FRC_ITALICBOLD
+};
+
+typedef struct {
+    XftFont *font;
+    int flags;
+    Rune unicodep;
+} Fontcache;
+
+/* Fontcache is an array now. A new font will be appended to the array. */
+static Fontcache frc[16];
+static int frclen = 0;
+
+void
+getbuttoninfo(XEvent *e)
+{
+    int type;
+    uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
+
+    sel.alt = IS_SET(MODE_ALTSCREEN);
+
+    sel.oe.x = x2col(e->xbutton.x);
+    sel.oe.y = y2row(e->xbutton.y);
+    selnormalize();
+
+    sel.type = SEL_REGULAR;
+    for (type = 1; type < selmaskslen; ++type) {
+        if (match(selmasks[type], state)) {
+            sel.type = type;
+            break;
+        }
+    }
+}
+
+void
+mousereport(XEvent *e)
+{
+    int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
+        button = e->xbutton.button, state = e->xbutton.state,
+        len;
+    char buf[40];
+    static int ox, oy;
+
+    /* from urxvt */
+    if (e->xbutton.type == MotionNotify) {
+        if (x == ox && y == oy)
+            return;
+        if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+            return;
+        /* MOUSE_MOTION: no reporting if no button is pressed */
+        if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
+            return;
+
+        button = oldbutton + 32;
+        ox = x;
+        oy = y;
+    } else {
+        if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
+            button = 3;
+        } else {
+            button -= Button1;
+            if (button >= 3)
+                button += 64 - 3;
+        }
+        if (e->xbutton.type == ButtonPress) {
+            oldbutton = button;
+            ox = x;
+            oy = y;
+        } else if (e->xbutton.type == ButtonRelease) {
+            oldbutton = 3;
+            /* MODE_MOUSEX10: no button release reporting */
+            if (IS_SET(MODE_MOUSEX10))
+                return;
+            if (button == 64 || button == 65)
+                return;
+        }
+    }
+
+    if (!IS_SET(MODE_MOUSEX10)) {
+        button += ((state & ShiftMask  ) ? 4  : 0)
+            + ((state & Mod4Mask   ) ? 8  : 0)
+            + ((state & ControlMask) ? 16 : 0);
+    }
+
+    if (IS_SET(MODE_MOUSESGR)) {
+        len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+                button, x+1, y+1,
+                e->xbutton.type == ButtonRelease ? 'm' : 'M');
+    } else if (x < 223 && y < 223) {
+        len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+                32+button, 32+x+1, 32+y+1);
+    } else {
+        return;
+    }
+
+    ttywrite(buf, len);
+}
+
+void
+bpress(XEvent *e)
+{
+    struct timespec now;
+    MouseShortcut *ms;
+
+    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+        mousereport(e);
+        return;
+    }
+
+    for (ms = mshortcuts; ms < mshortcuts + mshortcutslen; ms++) {
+        if (e->xbutton.button == ms->b
+                && match(ms->mask, e->xbutton.state)) {
+            ttysend(ms->s, strlen(ms->s));
+            return;
+        }
+    }
+
+    if (e->xbutton.button == Button1) {
+        clock_gettime(CLOCK_MONOTONIC, &now);
+
+        /* Clear previous selection, logically and visually. */
+        selclear_(NULL);
+        sel.mode = SEL_EMPTY;
+        sel.type = SEL_REGULAR;
+        sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
+        sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
+
+        /*
+         * If the user clicks below predefined timeouts specific
+         * snapping behaviour is exposed.
+         */
+        if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
+            sel.snap = SNAP_LINE;
+        } else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
+            sel.snap = SNAP_WORD;
+        } else {
+            sel.snap = 0;
+        }
+        selnormalize();
+
+        if (sel.snap != 0)
+            sel.mode = SEL_READY;
+        tsetdirt(sel.nb.y, sel.ne.y);
+        sel.tclick2 = sel.tclick1;
+        sel.tclick1 = now;
+    }
+}
+
+void
+selcopy(Time t)
+{
+    xsetsel(getsel(), t);
+}
+
+void
+propnotify(XEvent *e)
+{
+    XPropertyEvent *xpev;
+    Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+
+    xpev = &e->xproperty;
+    if (xpev->state == PropertyNewValue &&
+            (xpev->atom == XA_PRIMARY ||
+             xpev->atom == clipboard)) {
+        selnotify(e);
+    }
+}
+
+void
+selnotify(XEvent *e)
+{
+    ulong nitems, ofs, rem;
+    int format;
+    uchar *data, *last, *repl;
+    Atom type, incratom, property;
+
+    incratom = XInternAtom(xw.dpy, "INCR", 0);
+
+    ofs = 0;
+    if (e->type == SelectionNotify) {
+        property = e->xselection.property;
+    } else if(e->type == PropertyNotify) {
+        property = e->xproperty.atom;
+    } else {
+        return;
+    }
+    if (property == None)
+        return;
+
+    do {
+        if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
+                    BUFSIZ/4, False, AnyPropertyType,
+                    &type, &format, &nitems, &rem,
+                    &data)) {
+            fprintf(stderr, "Clipboard allocation failed\n");
+            return;
+        }
+
+        if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
+            /*
+             * If there is some PropertyNotify with no data, then
+             * this is the signal of the selection owner that all
+             * data has been transferred. We won't need to receive
+             * PropertyNotify events anymore.
+             */
+            MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
+            XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+                    &xw.attrs);
+        }
+
+        if (type == incratom) {
+            /*
+             * Activate the PropertyNotify events so we receive
+             * when the selection owner does send us the next
+             * chunk of data.
+             */
+            MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
+            XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+                    &xw.attrs);
+
+            /*
+             * Deleting the property is the transfer start signal.
+             */
+            XDeleteProperty(xw.dpy, xw.win, (int)property);
+            continue;
+        }
+
+        /*
+         * As seen in getsel:
+         * Line endings are inconsistent in the terminal and GUI world
+         * copy and pasting. When receiving some selection data,
+         * replace all '\n' with '\r'.
+         * FIXME: Fix the computer world.
+         */
+        repl = data;
+        last = data + nitems * format / 8;
+        while ((repl = memchr(repl, '\n', last - repl))) {
+            *repl++ = '\r';
+        }
+
+        if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
+            ttywrite("\033[200~", 6);
+        ttysend((char *)data, nitems * format / 8);
+        if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
+            ttywrite("\033[201~", 6);
+        XFree(data);
+        /* number of 32-bit chunks returned */
+        ofs += nitems * format / 32;
+    } while (rem > 0);
+
+    /*
+     * Deleting the property again tells the selection owner to send the
+     * next data chunk in the property.
+     */
+    XDeleteProperty(xw.dpy, xw.win, (int)property);
+}
+
+void
+xselpaste(void)
+{
+    XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
+            xw.win, CurrentTime);
+}
+
+void
+xclipcopy(void)
+{
+    Atom clipboard;
+
+    if (sel.clipboard != NULL)
+        free(sel.clipboard);
+
+    if (sel.primary != NULL) {
+        sel.clipboard = xstrdup(sel.primary);
+        clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+        XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
+    }
+}
+
+void
+xclippaste(void)
+{
+    Atom clipboard;
+
+    clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+    XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
+            xw.win, CurrentTime);
+}
+
+void
+selclear_(XEvent *e)
+{
+    selclear();
+}
+
+void
+selrequest(XEvent *e)
+{
+    XSelectionRequestEvent *xsre;
+    XSelectionEvent xev;
+    Atom xa_targets, string, clipboard;
+    char *seltext;
+
+    xsre = (XSelectionRequestEvent *) e;
+    xev.type = SelectionNotify;
+    xev.requestor = xsre->requestor;
+    xev.selection = xsre->selection;
+    xev.target = xsre->target;
+    xev.time = xsre->time;
+    if (xsre->property == None)
+        xsre->property = xsre->target;
+
+    /* reject */
+    xev.property = None;
+
+    xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
+    if (xsre->target == xa_targets) {
+        /* respond with the supported type */
+        string = xsel.xtarget;
+        XChangeProperty(xsre->display, xsre->requestor, xsre->property,
+                XA_ATOM, 32, PropModeReplace,
+                (uchar *) &string, 1);
+        xev.property = xsre->property;
+    } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
+        /*
+         * xith XA_STRING non ascii characters may be incorrect in the
+         * requestor. It is not our problem, use utf8.
+         */
+        clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+        if (xsre->selection == XA_PRIMARY) {
+            seltext = sel.primary;
+        } else if (xsre->selection == clipboard) {
+            seltext = sel.clipboard;
+        } else {
+            fprintf(stderr,
+                "Unhandled clipboard selection 0x%lx\n",
+                xsre->selection);
+            return;
+        }
+        if (seltext != NULL) {
+            XChangeProperty(xsre->display, xsre->requestor,
+                    xsre->property, xsre->target,
+                    8, PropModeReplace,
+                    (uchar *)seltext, strlen(seltext));
+            xev.property = xsre->property;
+        }
+    }
+
+    /* all done, send a notification to the listener */
+    if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
+        fprintf(stderr, "Error sending SelectionNotify event\n");
+}
+
+void
+xsetsel(char *str, Time t)
+{
+    free(sel.primary);
+    sel.primary = str;
+
+    XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+    if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+        selclear_(NULL);
+}
+
+void
+brelease(XEvent *e)
+{
+    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+        mousereport(e);
+        return;
+    }
+
+    if (e->xbutton.button == Button2) {
+        xselpaste();
+    } else if (e->xbutton.button == Button1) {
+        if (sel.mode == SEL_READY) {
+            getbuttoninfo(e);
+            selcopy(e->xbutton.time);
+        } else
+            selclear_(NULL);
+        sel.mode = SEL_IDLE;
+        tsetdirt(sel.nb.y, sel.ne.y);
+    }
+}
+
+void
+bmotion(XEvent *e)
+{
+    int oldey, oldex, oldsby, oldsey;
+
+    if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
+        mousereport(e);
+        return;
+    }
+
+    if (!sel.mode)
+        return;
+
+    sel.mode = SEL_READY;
+    oldey = sel.oe.y;
+    oldex = sel.oe.x;
+    oldsby = sel.nb.y;
+    oldsey = sel.ne.y;
+    getbuttoninfo(e);
+
+    if (oldey != sel.oe.y || oldex != sel.oe.x)
+        tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
+}
+
+void
+xresize(int col, int row)
+{
+    win.tw = MAX(1, col * win.cw);
+    win.th = MAX(1, row * win.ch);
+
+    XFreePixmap(xw.dpy, xw.buf);
+    xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+            DefaultDepth(xw.dpy, xw.scr));
+    XftDrawChange(xw.draw, xw.buf);
+    xclear(0, 0, win.w, win.h);
+}
+
+ushort
+sixd_to_16bit(int x)
+{
+    return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+}
+
+int
+xloadcolor(int i, const char *name, Color *ncolor)
+{
+    XRenderColor color = { .alpha = 0xffff };
+
+    if (!name) {
+        if (BETWEEN(i, 16, 255)) { /* 256 color */
+            if (i < 6*6*6+16) { /* same colors as xterm */
+                color.red   = sixd_to_16bit( ((i-16)/36)%6 );
+                color.green = sixd_to_16bit( ((i-16)/6) %6 );
+                color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
+            } else { /* greyscale */
+                color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
+                color.green = color.blue = color.red;
+            }
+            return XftColorAllocValue(xw.dpy, xw.vis,
+                                      xw.cmap, &color, ncolor);
+        } else
+            name = colorname[i];
+    }
+
+    return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+}
+
+void
+xloadcols(void)
+{
+    int i;
+    static int loaded;
+    Color *cp;
+
+    dc.collen = MAX(colornamelen, 256);
+    dc.col = xmalloc(dc.collen * sizeof(Color));
+
+    if (loaded) {
+        for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
+            XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+    }
+
+    for (i = 0; i < dc.collen; i++)
+        if (!xloadcolor(i, NULL, &dc.col[i])) {
+            if (colorname[i])
+                die("Could not allocate color '%s'\n", colorname[i]);
+            else
+                die("Could not allocate color %d\n", i);
+        }
+    loaded = 1;
+}
+
+int
+xsetcolorname(int x, const char *name)
+{
+    Color ncolor;
+
+    if (!BETWEEN(x, 0, dc.collen))
+        return 1;
+
+
+    if (!xloadcolor(x, name, &ncolor))
+        return 1;
+
+    XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+    dc.col[x] = ncolor;
+
+    return 0;
+}
+
+/*
+ * Absolute coordinates.
+ */
+void
+xclear(int x1, int y1, int x2, int y2)
+{
+    XftDrawRect(xw.draw,
+            &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
+            x1, y1, x2-x1, y2-y1);
+}
+
+void
+xhints(void)
+{
+    XClassHint class = {opt_name ? opt_name : termname,
+                        opt_class ? opt_class : termname};
+    XWMHints wm = {.flags = InputHint, .input = 1};
+    XSizeHints *sizeh = NULL;
+
+    sizeh = XAllocSizeHints();
+
+    sizeh->flags = PSize | PResizeInc | PBaseSize;
+    sizeh->height = win.h;
+    sizeh->width = win.w;
+    sizeh->height_inc = win.ch;
+    sizeh->width_inc = win.cw;
+    sizeh->base_height = 2 * borderpx;
+    sizeh->base_width = 2 * borderpx;
+    if (xw.isfixed) {
+        sizeh->flags |= PMaxSize | PMinSize;
+        sizeh->min_width = sizeh->max_width = win.w;
+        sizeh->min_height = sizeh->max_height = win.h;
+    }
+    if (xw.gm & (XValue|YValue)) {
+        sizeh->flags |= USPosition | PWinGravity;
+        sizeh->x = xw.l;
+        sizeh->y = xw.t;
+        sizeh->win_gravity = xgeommasktogravity(xw.gm);
+    }
+
+    XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+            &class);
+    XFree(sizeh);
+}
+
+int
+xgeommasktogravity(int mask)
+{
+    switch (mask & (XNegative|YNegative)) {
+    case 0:
+        return NorthWestGravity;
+    case XNegative:
+        return NorthEastGravity;
+    case YNegative:
+        return SouthWestGravity;
+    }
+
+    return SouthEastGravity;
+}
+
+int
+xloadfont(Font *f, FcPattern *pattern)
+{
+    FcPattern *configured;
+    FcPattern *match;
+    FcResult result;
+    XGlyphInfo extents;
+    int wantattr, haveattr;
+
+    /*
+     * Manually configure instead of calling XftMatchFont
+     * so that we can use the configured pattern for
+     * "missing glyph" lookups.
+     */
+    configured = FcPatternDuplicate(pattern);
+    if (!configured)
+        return 1;
+
+    FcConfigSubstitute(NULL, configured, FcMatchPattern);
+    XftDefaultSubstitute(xw.dpy, xw.scr, configured);
+
+    match = FcFontMatch(NULL, configured, &result);
+    if (!match) {
+        FcPatternDestroy(configured);
+        return 1;
+    }
+
+    if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+        FcPatternDestroy(configured);
+        FcPatternDestroy(match);
+        return 1;
+    }
+
+    if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
+        XftResultMatch)) {
+        /*
+         * Check if xft was unable to find a font with the appropriate
+         * slant but gave us one anyway. Try to mitigate.
+         */
+        if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
+            &haveattr) != XftResultMatch) || haveattr < wantattr) {
+            f->badslant = 1;
+            fputs("st: font slant does not match\n", stderr);
+        }
+    }
+
+    if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
+        XftResultMatch)) {
+        if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
+            &haveattr) != XftResultMatch) || haveattr != wantattr) {
+            f->badweight = 1;
+            fputs("st: font weight does not match\n", stderr);
+        }
+    }
+
+    XftTextExtentsUtf8(xw.dpy, f->match,
+        (const FcChar8 *) ascii_printable,
+        strlen(ascii_printable), &extents);
+
+    f->set = NULL;
+    f->pattern = configured;
+
+    f->ascent = f->match->ascent;
+    f->descent = f->match->descent;
+    f->lbearing = 0;
+    f->rbearing = f->match->max_advance_width;
+
+    f->height = f->ascent + f->descent;
+    f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
+
+    return 0;
+}
+
+void
+xloadfonts(char *fontstr, double fontsize)
+{
+    FcPattern *pattern;
+    double fontval;
+    float ceilf(float);
+
+    if (fontstr[0] == '-') {
+        pattern = XftXlfdParse(fontstr, False, False);
+    } else {
+        pattern = FcNameParse((FcChar8 *)fontstr);
+    }
+
+    if (!pattern)
+        die("st: can't open font %s\n", fontstr);
+
+    if (fontsize > 1) {
+        FcPatternDel(pattern, FC_PIXEL_SIZE);
+        FcPatternDel(pattern, FC_SIZE);
+        FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+        usedfontsize = fontsize;
+    } else {
+        if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+                FcResultMatch) {
+            usedfontsize = fontval;
+        } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+                FcResultMatch) {
+            usedfontsize = -1;
+        } else {
+            /*
+             * Default font size is 12, if none given. This is to
+             * have a known usedfontsize value.
+             */
+            FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+            usedfontsize = 12;
+        }
+        defaultfontsize = usedfontsize;
+    }
+
+    if (xloadfont(&dc.font, pattern))
+        die("st: can't open font %s\n", fontstr);
+
+    if (usedfontsize < 0) {
+        FcPatternGetDouble(dc.font.match->pattern,
+                           FC_PIXEL_SIZE, 0, &fontval);
+        usedfontsize = fontval;
+        if (fontsize == 0)
+            defaultfontsize = fontval;
+    }
+
+    /* Setting character width and height. */
+    win.cw = ceilf(dc.font.width * cwscale);
+    win.ch = ceilf(dc.font.height * chscale);
+
+    FcPatternDel(pattern, FC_SLANT);
+    FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+    if (xloadfont(&dc.ifont, pattern))
+        die("st: can't open font %s\n", fontstr);
+
+    FcPatternDel(pattern, FC_WEIGHT);
+    FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+    if (xloadfont(&dc.ibfont, pattern))
+        die("st: can't open font %s\n", fontstr);
+
+    FcPatternDel(pattern, FC_SLANT);
+    FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+    if (xloadfont(&dc.bfont, pattern))
+        die("st: can't open font %s\n", fontstr);
+
+    FcPatternDestroy(pattern);
+}
+
+void
+xunloadfont(Font *f)
+{
+    XftFontClose(xw.dpy, f->match);
+    FcPatternDestroy(f->pattern);
+    if (f->set)
+        FcFontSetDestroy(f->set);
+}
+
+void
+xunloadfonts(void)
+{
+    /* Free the loaded fonts in the font cache.  */
+    while (frclen > 0)
+        XftFontClose(xw.dpy, frc[--frclen].font);
+
+    xunloadfont(&dc.font);
+    xunloadfont(&dc.bfont);
+    xunloadfont(&dc.ifont);
+    xunloadfont(&dc.ibfont);
+}
+
+void
+xinit(void)
+{
+    XGCValues gcvalues;
+    Cursor cursor;
+    Window parent;
+    pid_t thispid = getpid();
+    XColor xmousefg, xmousebg;
+
+    if (!(xw.dpy = XOpenDisplay(NULL)))
+        die("Can't open display\n");
+    xw.scr = XDefaultScreen(xw.dpy);
+    xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+    /* font */
+    if (!FcInit())
+        die("Could not init fontconfig.\n");
+
+    usedfont = (opt_font == NULL)? font : opt_font;
+    xloadfonts(usedfont, 0);
+
+    /* colors */
+    xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+    xloadcols();
+
+    /* adjust fixed window geometry */
+    win.w = 2 * borderpx + term.col * win.cw;
+    win.h = 2 * borderpx + term.row * win.ch;
+    if (xw.gm & XNegative)
+        xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
+    if (xw.gm & YNegative)
+        xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
+
+    /* Events */
+    xw.attrs.background_pixel = dc.col[defaultbg].pixel;
+    xw.attrs.border_pixel = dc.col[defaultbg].pixel;
+    xw.attrs.bit_gravity = NorthWestGravity;
+    xw.attrs.event_mask = FocusChangeMask | KeyPressMask
+        | ExposureMask | VisibilityChangeMask | StructureNotifyMask
+        | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+    xw.attrs.colormap = xw.cmap;
+
+    if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+        parent = XRootWindow(xw.dpy, xw.scr);
+    xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
+            win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+            xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+            | CWEventMask | CWColormap, &xw.attrs);
+
+    memset(&gcvalues, 0, sizeof(gcvalues));
+    gcvalues.graphics_exposures = False;
+    dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+            &gcvalues);
+    xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+            DefaultDepth(xw.dpy, xw.scr));
+    XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+    XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+    /* Xft rendering context */
+    xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+
+    /* input methods */
+    if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+        XSetLocaleModifiers("@im=local");
+        if ((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+            XSetLocaleModifiers("@im=");
+            if ((xw.xim = XOpenIM(xw.dpy,
+                    NULL, NULL, NULL)) == NULL) {
+                die("XOpenIM failed. Could not open input"
+                    " device.\n");
+            }
+        }
+    }
+    xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
+                       | XIMStatusNothing, XNClientWindow, xw.win,
+                       XNFocusWindow, xw.win, NULL);
+    if (xw.xic == NULL)
+        die("XCreateIC failed. Could not obtain input method.\n");
+
+    /* white cursor, black outline */
+    cursor = XCreateFontCursor(xw.dpy, mouseshape);
+    XDefineCursor(xw.dpy, xw.win, cursor);
+
+    if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
+        xmousefg.red   = 0xffff;
+        xmousefg.green = 0xffff;
+        xmousefg.blue  = 0xffff;
+    }
+
+    if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
+        xmousebg.red   = 0x0000;
+        xmousebg.green = 0x0000;
+        xmousebg.blue  = 0x0000;
+    }
+
+    XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
+
+    xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+    xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+    xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+    XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+
+    xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+    XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+            PropModeReplace, (uchar *)&thispid, 1);
+
+    resettitle();
+    XMapWindow(xw.dpy, xw.win);
+    xhints();
+    XSync(xw.dpy, False);
+
+    xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
+    if (xsel.xtarget == None)
+        xsel.xtarget = XA_STRING;
+}
+
+int
+xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
+{
+    float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+    ushort mode, prevmode = USHRT_MAX;
+    Font *font = &dc.font;
+    int frcflags = FRC_NORMAL;
+    float runewidth = win.cw;
+    Rune rune;
+    FT_UInt glyphidx;
+    FcResult fcres;
+    FcPattern *fcpattern, *fontpattern;
+    FcFontSet *fcsets[] = { NULL };
+    FcCharSet *fccharset;
+    int i, f, numspecs = 0;
+
+    for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
+        /* Fetch rune and mode for current glyph. */
+        rune = glyphs[i].u;
+        mode = glyphs[i].mode;
+
+        /* Skip dummy wide-character spacing. */
+        if (mode == ATTR_WDUMMY)
+            continue;
+
+        /* Determine font for glyph if different from previous glyph. */
+        if (prevmode != mode) {
+            prevmode = mode;
+            font = &dc.font;
+            frcflags = FRC_NORMAL;
+            runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
+            if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+                font = &dc.ibfont;
+                frcflags = FRC_ITALICBOLD;
+            } else if (mode & ATTR_ITALIC) {
+                font = &dc.ifont;
+                frcflags = FRC_ITALIC;
+            } else if (mode & ATTR_BOLD) {
+                font = &dc.bfont;
+                frcflags = FRC_BOLD;
+            }
+            yp = winy + font->ascent;
+        }
+
+        /* Lookup character index with default font. */
+        glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+        if (glyphidx) {
+            specs[numspecs].font = font->match;
+            specs[numspecs].glyph = glyphidx;
+            specs[numspecs].x = (short)xp;
+            specs[numspecs].y = (short)yp;
+            xp += runewidth;
+            numspecs++;
+            continue;
+        }
+
+        /* Fallback on font cache, search the font cache for match. */
+        for (f = 0; f < frclen; f++) {
+            glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
+            /* Everything correct. */
+            if (glyphidx && frc[f].flags == frcflags)
+                break;
+            /* We got a default font for a not found glyph. */
+            if (!glyphidx && frc[f].flags == frcflags
+                    && frc[f].unicodep == rune) {
+                break;
+            }
+        }
+
+        /* Nothing was found. Use fontconfig to find matching font. */
+        if (f >= frclen) {
+            if (!font->set)
+                font->set = FcFontSort(0, font->pattern,
+                                       1, 0, &fcres);
+            fcsets[0] = font->set;
+
+            /*
+             * Nothing was found in the cache. Now use
+             * some dozen of Fontconfig calls to get the
+             * font for one single character.
+             *
+             * Xft and fontconfig are design failures.
+             */
+            fcpattern = FcPatternDuplicate(font->pattern);
+            fccharset = FcCharSetCreate();
+
+            FcCharSetAddChar(fccharset, rune);
+            FcPatternAddCharSet(fcpattern, FC_CHARSET,
+                    fccharset);
+            FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
+
+            FcConfigSubstitute(0, fcpattern,
+                    FcMatchPattern);
+            FcDefaultSubstitute(fcpattern);
+
+            fontpattern = FcFontSetMatch(0, fcsets, 1,
+                    fcpattern, &fcres);
+
+            /*
+             * Overwrite or create the new cache entry.
+             */
+            if (frclen >= LEN(frc)) {
+                frclen = LEN(frc) - 1;
+                XftFontClose(xw.dpy, frc[frclen].font);
+                frc[frclen].unicodep = 0;
+            }
+
+            frc[frclen].font = XftFontOpenPattern(xw.dpy,
+                    fontpattern);
+            frc[frclen].flags = frcflags;
+            frc[frclen].unicodep = rune;
+
+            glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+
+            f = frclen;
+            frclen++;
+
+            FcPatternDestroy(fcpattern);
+            FcCharSetDestroy(fccharset);
+        }
+
+        specs[numspecs].font = frc[f].font;
+        specs[numspecs].glyph = glyphidx;
+        specs[numspecs].x = (short)xp;
+        specs[numspecs].y = (short)yp;
+        xp += runewidth;
+        numspecs++;
+    }
+
+    return numspecs;
+}
+
+void
+xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
+{
+    int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
+    int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
+        width = charlen * win.cw;
+    Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
+    XRenderColor colfg, colbg;
+    XRectangle r;
+
+    /* Fallback on color display for attributes not supported by the font */
+    if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
+        if (dc.ibfont.badslant || dc.ibfont.badweight)
+            base.fg = defaultattr;
+    } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
+        (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
+        base.fg = defaultattr;
+    }
+
+    if (IS_TRUECOL(base.fg)) {
+        colfg.alpha = 0xffff;
+        colfg.red = TRUERED(base.fg);
+        colfg.green = TRUEGREEN(base.fg);
+        colfg.blue = TRUEBLUE(base.fg);
+        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+        fg = &truefg;
+    } else {
+        fg = &dc.col[base.fg];
+    }
+
+    if (IS_TRUECOL(base.bg)) {
+        colbg.alpha = 0xffff;
+        colbg.green = TRUEGREEN(base.bg);
+        colbg.red = TRUERED(base.bg);
+        colbg.blue = TRUEBLUE(base.bg);
+        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+        bg = &truebg;
+    } else {
+        bg = &dc.col[base.bg];
+    }
+
+    /* Change basic system colors [0-7] to bright system colors [8-15] */
+    if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
+        fg = &dc.col[base.fg + 8];
+
+    if (IS_SET(MODE_REVERSE)) {
+        if (fg == &dc.col[defaultfg]) {
+            fg = &dc.col[defaultbg];
+        } else {
+            colfg.red = ~fg->color.red;
+            colfg.green = ~fg->color.green;
+            colfg.blue = ~fg->color.blue;
+            colfg.alpha = fg->color.alpha;
+            XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+                    &revfg);
+            fg = &revfg;
+        }
+
+        if (bg == &dc.col[defaultbg]) {
+            bg = &dc.col[defaultfg];
+        } else {
+            colbg.red = ~bg->color.red;
+            colbg.green = ~bg->color.green;
+            colbg.blue = ~bg->color.blue;
+            colbg.alpha = bg->color.alpha;
+            XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+                    &revbg);
+            bg = &revbg;
+        }
+    }
+
+    if (base.mode & ATTR_REVERSE) {
+        temp = fg;
+        fg = bg;
+        bg = temp;
+    }
+
+    if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
+        colfg.red = fg->color.red / 2;
+        colfg.green = fg->color.green / 2;
+        colfg.blue = fg->color.blue / 2;
+        XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+        fg = &revfg;
+    }
+
+    if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+        fg = bg;
+
+    if (base.mode & ATTR_INVISIBLE)
+        fg = bg;
+
+    /* Intelligent cleaning up of the borders. */
+    if (x == 0) {
+        xclear(0, (y == 0)? 0 : winy, borderpx,
+            winy + win.ch + ((y >= term.row-1)? win.h : 0));
+    }
+    if (x + charlen >= term.col) {
+        xclear(winx + width, (y == 0)? 0 : winy, win.w,
+            ((y >= term.row-1)? win.h : (winy + win.ch)));
+    }
+    if (y == 0)
+        xclear(winx, 0, winx + width, borderpx);
+    if (y == term.row-1)
+        xclear(winx, winy + win.ch, winx + width, win.h);
+
+    /* Clean up the region we want to draw to. */
+    XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+
+    /* Set the clip region because Xft is sometimes dirty. */
+    r.x = 0;
+    r.y = 0;
+    r.height = win.ch;
+    r.width = width;
+    XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
+    /* Render the glyphs. */
+    XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+
+    /* Render underline and strikethrough. */
+    if (base.mode & ATTR_UNDERLINE) {
+        XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
+                width, 1);
+    }
+
+    if (base.mode & ATTR_STRUCK) {
+        XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
+                width, 1);
+    }
+
+    /* Reset clip to none. */
+    XftDrawSetClip(xw.draw, 0);
+}
+
+void
+xdrawglyph(Glyph g, int x, int y)
+{
+    int numspecs;
+    XftGlyphFontSpec spec;
+
+    numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
+    xdrawglyphfontspecs(&spec, g, numspecs, x, y);
+}
+
+void
+xdrawcursor(void)
+{
+    static int oldx = 0, oldy = 0;
+    int curx;
+    Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
+    int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
+    Color drawcol;
+
+    LIMIT(oldx, 0, term.col-1);
+    LIMIT(oldy, 0, term.row-1);
+
+    curx = term.c.x;
+
+    /* adjust position if in dummy */
+    if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
+        oldx--;
+    if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
+        curx--;
+
+    /* remove the old cursor */
+    og = term.line[oldy][oldx];
+    if (ena_sel && selected(oldx, oldy))
+        og.mode ^= ATTR_REVERSE;
+    xdrawglyph(og, oldx, oldy);
+
+    g.u = term.line[term.c.y][term.c.x].u;
+
+    /*
+     * Select the right color for the right mode.
+     */
+    if (IS_SET(MODE_REVERSE)) {
+        g.mode |= ATTR_REVERSE;
+        g.bg = defaultfg;
+        if (ena_sel && selected(term.c.x, term.c.y)) {
+            drawcol = dc.col[defaultcs];
+            g.fg = defaultrcs;
+        } else {
+            drawcol = dc.col[defaultrcs];
+            g.fg = defaultcs;
+        }
+    } else {
+        if (ena_sel && selected(term.c.x, term.c.y)) {
+            drawcol = dc.col[defaultrcs];
+            g.fg = defaultfg;
+            g.bg = defaultrcs;
+        } else {
+            drawcol = dc.col[defaultcs];
+        }
+    }
+
+    if (IS_SET(MODE_HIDE))
+        return;
+
+    /* draw the new one */
+    if (win.state & WIN_FOCUSED) {
+        switch (win.cursor) {
+        case 7: /* st extension: snowman */
+            utf8decode("☃", &g.u, UTF_SIZ);
+        case 0: /* Blinking Block */
+        case 1: /* Blinking Block (Default) */
+        case 2: /* Steady Block */
+            g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
+            xdrawglyph(g, term.c.x, term.c.y);
+            break;
+        case 3: /* Blinking Underline */
+        case 4: /* Steady Underline */
+            XftDrawRect(xw.draw, &drawcol,
+                    borderpx + curx * win.cw,
+                    borderpx + (term.c.y + 1) * win.ch - \
+                        cursorthickness,
+                    win.cw, cursorthickness);
+            break;
+        case 5: /* Blinking bar */
+        case 6: /* Steady bar */
+            XftDrawRect(xw.draw, &drawcol,
+                    borderpx + curx * win.cw,
+                    borderpx + term.c.y * win.ch,
+                    cursorthickness, win.ch);
+            break;
+        }
+    } else {
+        XftDrawRect(xw.draw, &drawcol,
+                borderpx + curx * win.cw,
+                borderpx + term.c.y * win.ch,
+                win.cw - 1, 1);
+        XftDrawRect(xw.draw, &drawcol,
+                borderpx + curx * win.cw,
+                borderpx + term.c.y * win.ch,
+                1, win.ch - 1);
+        XftDrawRect(xw.draw, &drawcol,
+                borderpx + (curx + 1) * win.cw - 1,
+                borderpx + term.c.y * win.ch,
+                1, win.ch - 1);
+        XftDrawRect(xw.draw, &drawcol,
+                borderpx + curx * win.cw,
+                borderpx + (term.c.y + 1) * win.ch - 1,
+                win.cw, 1);
+    }
+    oldx = curx, oldy = term.c.y;
+}
+
+void
+xsetenv(void)
+{
+    char buf[sizeof(long) * 8 + 1];
+
+    snprintf(buf, sizeof(buf), "%lu", xw.win);
+    setenv("WINDOWID", buf, 1);
+}
+
+void
+xsettitle(char *p)
+{
+    XTextProperty prop;
+
+    Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+            &prop);
+    XSetWMName(xw.dpy, xw.win, &prop);
+    XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+    XFree(prop.value);
+}
+
+void
+draw(void)
+{
+    drawregion(0, 0, term.col, term.row);
+    XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
+            win.h, 0, 0);
+    XSetForeground(xw.dpy, dc.gc,
+            dc.col[IS_SET(MODE_REVERSE)?
+                defaultfg : defaultbg].pixel);
+}
+
+void
+drawregion(int x1, int y1, int x2, int y2)
+{
+    int i, x, y, ox, numspecs;
+    Glyph base, new;
+    XftGlyphFontSpec *specs;
+    int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
+
+    if (!(win.state & WIN_VISIBLE))
+        return;
+
+    for (y = y1; y < y2; y++) {
+        if (!term.dirty[y])
+            continue;
+
+        term.dirty[y] = 0;
+
+        specs = term.specbuf;
+        numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
+
+        i = ox = 0;
+        for (x = x1; x < x2 && i < numspecs; x++) {
+            new = term.line[y][x];
+            if (new.mode == ATTR_WDUMMY)
+                continue;
+            if (ena_sel && selected(x, y))
+                new.mode ^= ATTR_REVERSE;
+            if (i > 0 && ATTRCMP(base, new)) {
+                xdrawglyphfontspecs(specs, base, i, ox, y);
+                specs += i;
+                numspecs -= i;
+                i = 0;
+            }
+            if (i == 0) {
+                ox = x;
+                base = new;
+            }
+            i++;
+        }
+        if (i > 0)
+            xdrawglyphfontspecs(specs, base, i, ox, y);
+    }
+    xdrawcursor();
+}
+
+void
+expose(XEvent *ev)
+{
+    redraw();
+}
+
+void
+visibility(XEvent *ev)
+{
+    XVisibilityEvent *e = &ev->xvisibility;
+
+    MODBIT(win.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
+}
+
+void
+unmap(XEvent *ev)
+{
+    win.state &= ~WIN_VISIBLE;
+}
+
+void
+xsetpointermotion(int set)
+{
+    MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+    XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
+void
+xseturgency(int add)
+{
+    XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
+    MODBIT(h->flags, add, XUrgencyHint);
+    XSetWMHints(xw.dpy, xw.win, h);
+    XFree(h);
+}
+
+void
+xbell(int vol)
+{
+    XkbBell(xw.dpy, xw.win, vol, (Atom)NULL);
+}
+
+unsigned long
+xwinid(void)
+{
+    return xw.win;
+}
+
+void
+focus(XEvent *ev)
+{
+    XFocusChangeEvent *e = &ev->xfocus;
+
+    if (e->mode == NotifyGrab)
+        return;
+
+    if (ev->type == FocusIn) {
+        XSetICFocus(xw.xic);
+        win.state |= WIN_FOCUSED;
+        xseturgency(0);
+        if (IS_SET(MODE_FOCUS))
+            ttywrite("\033[I", 3);
+    } else {
+        XUnsetICFocus(xw.xic);
+        win.state &= ~WIN_FOCUSED;
+        if (IS_SET(MODE_FOCUS))
+            ttywrite("\033[O", 3);
+    }
+}
+
+void
+kpress(XEvent *ev)
+{
+    XKeyEvent *e = &ev->xkey;
+    KeySym ksym;
+    char buf[32], *customkey;
+    int len;
+    Rune c;
+    Status status;
+    Shortcut *bp;
+
+    if (IS_SET(MODE_KBDLOCK))
+        return;
+
+    len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
+    /* 1. shortcuts */
+    for (bp = shortcuts; bp < shortcuts + shortcutslen; bp++) {
+        if (ksym == bp->keysym && match(bp->mod, e->state)) {
+            bp->func(&(bp->arg));
+            return;
+        }
+    }
+
+    /* 2. custom keys from config.h */
+    if ((customkey = kmap(ksym, e->state))) {
+        ttysend(customkey, strlen(customkey));
+        return;
+    }
+
+    /* 3. composed string from input method */
+    if (len == 0)
+        return;
+    if (len == 1 && e->state & Mod1Mask) {
+        if (IS_SET(MODE_8BIT)) {
+            if (*buf < 0177) {
+                c = *buf | 0x80;
+                len = utf8encode(c, buf);
+            }
+        } else {
+            buf[1] = buf[0];
+            buf[0] = '\033';
+            len = 2;
+        }
+    }
+    ttysend(buf, len);
+}
+
+
+void
+cmessage(XEvent *e)
+{
+    /*
+     * See xembed specs
+     *  http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+     */
+    if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+        if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+            win.state |= WIN_FOCUSED;
+            xseturgency(0);
+        } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+            win.state &= ~WIN_FOCUSED;
+        }
+    } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
+        /* Send SIGHUP to shell */
+        kill(pid, SIGHUP);
+        exit(0);
+    }
+}
+
+void
+resize(XEvent *e)
+{
+    if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
+        return;
+
+    cresize(e->xconfigure.width, e->xconfigure.height);
+    ttyresize();
+}
+
+void
+run(void)
+{
+    XEvent ev;
+    int w = win.w, h = win.h;
+    fd_set rfd;
+    int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+    struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
+    long deltatime;
+
+    /* Waiting for window mapping */
+    do {
+        XNextEvent(xw.dpy, &ev);
+        /*
+         * This XFilterEvent call is required because of XOpenIM. It
+         * does filter out the key event and some client message for
+         * the input method too.
+         */
+        if (XFilterEvent(&ev, None))
+            continue;
+        if (ev.type == ConfigureNotify) {
+            w = ev.xconfigure.width;
+            h = ev.xconfigure.height;
+        }
+    } while (ev.type != MapNotify);
+
+    cresize(w, h);
+    ttynew();
+    ttyresize();
+
+    clock_gettime(CLOCK_MONOTONIC, &last);
+    lastblink = last;
+
+    for (xev = actionfps;;) {
+        FD_ZERO(&rfd);
+        FD_SET(cmdfd, &rfd);
+        FD_SET(xfd, &rfd);
+
+        if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
+            if (errno == EINTR)
+                continue;
+            die("select failed: %s\n", strerror(errno));
+        }
+        if (FD_ISSET(cmdfd, &rfd)) {
+            ttyread();
+            if (blinktimeout) {
+                blinkset = tattrset(ATTR_BLINK);
+                if (!blinkset)
+                    MODBIT(term.mode, 0, MODE_BLINK);
+            }
+        }
+
+        if (FD_ISSET(xfd, &rfd))
+            xev = actionfps;
+
+        clock_gettime(CLOCK_MONOTONIC, &now);
+        drawtimeout.tv_sec = 0;
+        drawtimeout.tv_nsec =  (1000 * 1E6)/ xfps;
+        tv = &drawtimeout;
+
+        dodraw = 0;
+        if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
+            tsetdirtattr(ATTR_BLINK);
+            term.mode ^= MODE_BLINK;
+            lastblink = now;
+            dodraw = 1;
+        }
+        deltatime = TIMEDIFF(now, last);
+        if (deltatime > 1000 / (xev ? xfps : actionfps)) {
+            dodraw = 1;
+            last = now;
+        }
+
+        if (dodraw) {
+            while (XPending(xw.dpy)) {
+                XNextEvent(xw.dpy, &ev);
+                if (XFilterEvent(&ev, None))
+                    continue;
+                if (handler[ev.type])
+                    (handler[ev.type])(&ev);
+            }
+
+            draw();
+            XFlush(xw.dpy);
+
+            if (xev && !FD_ISSET(xfd, &rfd))
+                xev--;
+            if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+                if (blinkset) {
+                    if (TIMEDIFF(now, lastblink) \
+                            > blinktimeout) {
+                        drawtimeout.tv_nsec = 1000;
+                    } else {
+                        drawtimeout.tv_nsec = (1E6 * \
+                            (blinktimeout - \
+                            TIMEDIFF(now,
+                                lastblink)));
+                    }
+                    drawtimeout.tv_sec = \
+                        drawtimeout.tv_nsec / 1E9;
+                    drawtimeout.tv_nsec %= (long)1E9;
+                } else {
+                    tv = NULL;
+                }
+            }
+        }
+    }
+}
+
+int
+main(int argc, char *argv[])
+{
+    xw.l = xw.t = 0;
+    xw.isfixed = False;
+    win.cursor = cursorshape;
+
+    ARGBEGIN {
+    case 'a':
+        allowaltscreen = 0;
+        break;
+    case 'c':
+        opt_class = EARGF(usage());
+        break;
+    case 'e':
+        if (argc > 0)
+            --argc, ++argv;
+        goto run;
+    case 'f':
+        opt_font = EARGF(usage());
+        break;
+    case 'g':
+        xw.gm = XParseGeometry(EARGF(usage()),
+                &xw.l, &xw.t, &cols, &rows);
+        break;
+    case 'i':
+        xw.isfixed = 1;
+        break;
+    case 'o':
+        opt_io = EARGF(usage());
+        break;
+    case 'l':
+        opt_line = EARGF(usage());
+        break;
+    case 'n':
+        opt_name = EARGF(usage());
+        break;
+    case 't':
+    case 'T':
+        opt_title = EARGF(usage());
+        break;
+    case 'w':
+        opt_embed = EARGF(usage());
+        break;
+    case 'v':
+        die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
+        break;
+    default:
+        usage();
+    } ARGEND;
+
+run:
+    if (argc > 0) {
+        /* eat all remaining arguments */
+        opt_cmd = argv;
+        if (!opt_title && !opt_line)
+            opt_title = basename(xstrdup(argv[0]));
+    }
+    setlocale(LC_CTYPE, "");
+    XSetLocaleModifiers("");
+    tnew(MAX(cols, 1), MAX(rows, 1));
+    xinit();
+    selinit();
+    run();
+
+    return 0;
+}