ryudo/cursor.c

/* Copyright (c) 1994-1996 David Hogan, see README for licence details */
#include <stdio.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "dat.h"
#include "fns.h"

typedef struct {
  int width;
  int hot[2];
  unsigned char mask[64];
  unsigned char fore[64];
} Cursordata;

Cursordata bigarrow = {
  16,
  {0, 0},
  {
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0x3F, 0xFF, 0x0F, 0xFF,
    0x0F, 0xFF, 0x1F, 0xFF, 0x3F, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0x7F,
    0xFF, 0x3F, 0xCF, 0x1F, 0x8F, 0x0F, 0x07, 0x07, 0x03, 0x02,
  },
  {
    0x00, 0x00, 0xFE, 0x7F, 0xFE, 0x3F, 0xFE, 0x0F, 0xFE, 0x07, 0xFE,
    0x07, 0xFE, 0x0F, 0xFE, 0x1F, 0xFE, 0x3F, 0xFE, 0x7F, 0xFE, 0x3F,
    0xCE, 0x1F, 0x86, 0x0F, 0x06, 0x07, 0x02, 0x02, 0x00, 0x00,
  }};

Cursordata sweep0data = {
  16,
  {7, 7},
  {0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0,
   0x03, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x03,
   0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03},
  {0x00, 0x00, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80,
   0x01, 0x80, 0x01, 0xFE, 0x7F, 0xFE, 0x7F, 0x80, 0x01, 0x80, 0x01,
   0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x00, 0x00}};

Cursordata boxcursdata = {
  16,
  {7, 7},
  {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F,
   0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8,
   0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  {0x00, 0x00, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0x0E, 0x70, 0x0E,
   0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70,
   0x0E, 0x70, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0x00, 0x00}};

Cursordata sightdata = {
  16,
  {7, 7},
  {
    0xF8, 0x1F, 0xFC, 0x3F, 0xFE, 0x7F, 0xDF, 0xFB, 0xCF, 0xF3, 0xC7,
    0xE3, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC7, 0xE3,
    0xCF, 0xF3, 0xDF, 0x7B, 0xFE, 0x7F, 0xFC, 0x3F, 0xF8, 0x1F,
  },
  {
    0x00, 0x00, 0xF0, 0x0F, 0x8C, 0x31, 0x84, 0x21, 0x82, 0x41, 0x82,
    0x41, 0x82, 0x41, 0xFE, 0x7F, 0xFE, 0x7F, 0x82, 0x41, 0x82, 0x41,
    0x82, 0x41, 0x84, 0x21, 0x8C, 0x31, 0xF0, 0x0F, 0x00, 0x00,
  }};

Cursordata arrowdata = {
  16,
  {1, 1},
  {
    0xFF, 0x07, 0xFF, 0x07, 0xFF, 0x03, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
    0x01, 0xFF, 0x03, 0xFF, 0x07, 0xE7, 0x0F, 0xC7, 0x1F, 0x83, 0x3F,
    0x00, 0x7F, 0x00, 0xFE, 0x00, 0x7C, 0x00, 0x38, 0x00, 0x10,
  },
  {
    0x00, 0x00, 0xFE, 0x03, 0xFE, 0x00, 0x3E, 0x00, 0x7E, 0x00, 0xFE,
    0x00, 0xF6, 0x01, 0xE6, 0x03, 0xC2, 0x07, 0x82, 0x0F, 0x00, 0x1F,
    0x00, 0x3E, 0x00, 0x7C, 0x00, 0x38, 0x00, 0x10, 0x00, 0x00,
  }};

Cursordata whitearrow = {
  16,
  {0, 0},
  {
    0xFF, 0x07, 0xFF, 0x07, 0xFF, 0x03, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
    0x01, 0xFF, 0x03, 0xFF, 0x07, 0xE7, 0x0F, 0xC7, 0x1F, 0x83, 0x3F,
    0x00, 0x7F, 0x00, 0xFE, 0x00, 0x7C, 0x00, 0x38, 0x00, 0x10,
  },
  {
    0xFF, 0x07, 0xFF, 0x07, 0x83, 0x03, 0xC3, 0x00, 0xC3, 0x00, 0x83,
    0x01, 0x1B, 0x03, 0x3F, 0x06, 0x67, 0x0C, 0xC7, 0x18, 0x83, 0x31,
    0x00, 0x63, 0x00, 0xC6, 0x00, 0x6C, 0x00, 0x38, 0x00, 0x10,
  }};

Cursordata blittarget = {
  18,
  {8, 8},
  {0xe0, 0x1f, 0x00, 0xf0, 0x3f, 0x00, 0xf8, 0x7f, 0x00, 0xfc, 0xff,
   0x00, 0xfe, 0xff, 0x01, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff,
   0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03,
   0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xfe, 0xff, 0x01, 0xfc, 0xff,
   0x00, 0xf8, 0x7f, 0x00, 0xf0, 0x3f, 0x00, 0xe0, 0x1f, 0x00},
  {0x00, 0x00, 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x3f, 0x00, 0x38, 0x73,
   0x00, 0x8c, 0xc7, 0x00, 0xec, 0xdf, 0x00, 0x66, 0x9b, 0x01, 0x36,
   0xb3, 0x01, 0xfe, 0xff, 0x01, 0xfe, 0xff, 0x01, 0x36, 0xb3, 0x01,
   0x66, 0x9b, 0x01, 0xec, 0xdf, 0x00, 0x8c, 0xc7, 0x00, 0x38, 0x73,
   0x00, 0xf0, 0x3f, 0x00, 0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00}};

Cursordata blitarrow = {
  18,
  {1, 1},
  {0xff, 0x0f, 0x00, 0xff, 0x07, 0x00, 0xff, 0x03, 0x00, 0xff, 0x00,
   0x00, 0xff, 0x00, 0x00, 0xff, 0x01, 0x00, 0xff, 0x03, 0x00, 0xff,
   0x07, 0x00, 0xe7, 0x0f, 0x00, 0xc7, 0x1f, 0x00, 0x87, 0x3f, 0x00,
   0x03, 0x7f, 0x00, 0x01, 0xfe, 0x00, 0x00, 0xfc, 0x01, 0x00, 0xf8,
   0x03, 0x00, 0xf0, 0x01, 0x00, 0xe0, 0x00, 0x00, 0x40, 0x00},
  {0x00, 0x00, 0x00, 0xfe, 0x03, 0x00, 0xfe, 0x00, 0x00, 0x3e, 0x00,
   0x00, 0x7e, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xf6, 0x01, 0x00, 0xe6,
   0x03, 0x00, 0xc2, 0x07, 0x00, 0x82, 0x0f, 0x00, 0x00, 0x1f, 0x00,
   0x00, 0x3e, 0x00, 0x00, 0x7c, 0x00, 0x00, 0xf8, 0x00, 0x00, 0xf0,
   0x01, 0x00, 0xe0, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00}};

Cursordata blitsweep = {
  18,
  {8, 8},
  {0xc4, 0xff, 0x03, 0xce, 0xff, 0x03, 0xdf, 0xff, 0x03, 0x3e, 0x80,
   0x03, 0x7c, 0x83, 0x03, 0xf8, 0x83, 0x03, 0xf7, 0x83, 0x03, 0xe7,
   0x83, 0x03, 0xf7, 0x83, 0x03, 0xf7, 0x83, 0x03, 0x07, 0x80, 0x03,
   0x07, 0x80, 0x03, 0x07, 0x80, 0x03, 0x07, 0x80, 0x03, 0x07, 0x80,
   0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03},
  {0x00, 0x00, 0x00, 0x84, 0xff, 0x01, 0x0e, 0x00, 0x01, 0x1c, 0x00,
   0x01, 0x38, 0x00, 0x01, 0x70, 0x01, 0x01, 0xe0, 0x01, 0x01, 0xc2,
   0x01, 0x01, 0xe2, 0x01, 0x01, 0x02, 0x00, 0x01, 0x02, 0x00, 0x01,
   0x02, 0x00, 0x01, 0x02, 0x00, 0x01, 0x02, 0x00, 0x01, 0x02, 0x00,
   0x01, 0x02, 0x00, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x00, 0x00}};

/*
 *	Grey tile pattern for root background
 */

#define grey_width 4
#define grey_height 2
static char grey_bits[] = {0x01, 0x04};

static XColor bl, wh;

Cursor getcursor(c, s) Cursordata* c;
ScreenInfo* s;
{
  Pixmap f, m;

  f = XCreatePixmapFromBitmapData(
    dpy,
    s->root,
    (char*)c->fore,
    c->width,
    c->width,
    1,
    0,
    1);
  m = XCreatePixmapFromBitmapData(
    dpy,
    s->root,
    (char*)c->mask,
    c->width,
    c->width,
    1,
    0,
    1);
  return XCreatePixmapCursor(dpy, f, m, &bl, &wh, c->hot[0], c->hot[1]);
}

void initcurs(s) ScreenInfo* s;
{
  XColor dummy;

  XAllocNamedColor(dpy, DefaultColormap(dpy, s->num), "black", &bl, &dummy);
  XAllocNamedColor(dpy, DefaultColormap(dpy, s->num), "white", &wh, &dummy);

  if (nostalgia) {
    s->arrow = getcursor(&blitarrow, s);
    s->target = getcursor(&blittarget, s);
    s->sweep0 = getcursor(&blitsweep, s);
    s->boxcurs = getcursor(&blitsweep, s);
  } else {
    s->arrow = getcursor(&bigarrow, s);
    s->target = getcursor(&sightdata, s);
    s->sweep0 = getcursor(&sweep0data, s);
    s->boxcurs = getcursor(&boxcursdata, s);
  }

  s->root_pixmap = XCreatePixmapFromBitmapData(
    dpy,
    s->root,
    grey_bits,
    grey_width,
    grey_height,
    s->black,
    s->white,
    s->depth);

  s->bordcurs[BorderN] = XCreateFontCursor(dpy, 138);
  s->bordcurs[BorderNNE] = XCreateFontCursor(dpy, 136);
  s->bordcurs[BorderENE] = s->bordcurs[BorderNNE];
  s->bordcurs[BorderE] = XCreateFontCursor(dpy, 96);
  s->bordcurs[BorderESE] = XCreateFontCursor(dpy, 14);
  s->bordcurs[BorderSSE] = s->bordcurs[BorderESE];
  s->bordcurs[BorderS] = XCreateFontCursor(dpy, 16);
  s->bordcurs[BorderSSW] = XCreateFontCursor(dpy, 12);
  s->bordcurs[BorderWSW] = s->bordcurs[BorderSSW];
  s->bordcurs[BorderW] = XCreateFontCursor(dpy, 70);
  s->bordcurs[BorderWNW] = XCreateFontCursor(dpy, 134);
  s->bordcurs[BorderNNW] = s->bordcurs[BorderWNW];
}

/* RIO

Cursor crosscursor = {
  {-7, -7},
  {0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0,
   0x03, 0xC0, 0x03, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF,
   0xFF, 0xFF, 0xFF, 0xFF, 0x03, 0xC0, 0x03, 0xC0,
   0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, },
  {0x00, 0x00, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80,
   0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x7F, 0xFE,
   0x7F, 0xFE, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80,
   0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x00, 0x00, }
};

Cursor boxcursor = {
  {-7, -7},
  {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
   0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
   0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
   0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, },
  {0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
   0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
   0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
   0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00, }
};

Cursor sightcursor = {
  {-7, -7},
  {0x1F, 0xF8, 0x3F, 0xFC, 0x7F, 0xFE, 0xFB, 0xDF,
   0xF3, 0xCF, 0xE3, 0xC7, 0xFF, 0xFF, 0xFF, 0xFF,
   0xFF, 0xFF, 0xFF, 0xFF, 0xE3, 0xC7, 0xF3, 0xCF,
   0x7B, 0xDF, 0x7F, 0xFE, 0x3F, 0xFC, 0x1F, 0xF8, },
  {0x00, 0x00, 0x0F, 0xF0, 0x31, 0x8C, 0x21, 0x84,
   0x41, 0x82, 0x41, 0x82, 0x41, 0x82, 0x7F, 0xFE,
   0x7F, 0xFE, 0x41, 0x82, 0x41, 0x82, 0x41, 0x82,
   0x21, 0x84, 0x31, 0x8C, 0x0F, 0xF0, 0x00, 0x00, }
};

Cursor whitearrow = {
  {0, 0},
  {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
   0xFF, 0xF0, 0xFF, 0xF0, 0xFF, 0xF8, 0xFF, 0xFC,
   0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
   0xF3, 0xF8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, },
  {0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x06, 0xC0, 0x1C,
   0xC0, 0x30, 0xC0, 0x30, 0xC0, 0x38, 0xC0, 0x1C,
   0xC0, 0x0E, 0xC0, 0x07, 0xCE, 0x0E, 0xDF, 0x1C,
   0xD3, 0xB8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, }
};

Cursor query = {
  {-7,-7},
  {0x0f, 0xf0, 0x1f, 0xf8, 0x3f, 0xfc, 0x7f, 0xfe,
   0x7c, 0x7e, 0x78, 0x7e, 0x00, 0xfc, 0x01, 0xf8,
   0x03, 0xf0, 0x07, 0xe0, 0x07, 0xc0, 0x07, 0xc0,
   0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, },
  {0x00, 0x00, 0x0f, 0xf0, 0x1f, 0xf8, 0x3c, 0x3c,
   0x38, 0x1c, 0x00, 0x3c, 0x00, 0x78, 0x00, 0xf0,
   0x01, 0xe0, 0x03, 0xc0, 0x03, 0x80, 0x03, 0x80,
   0x00, 0x00, 0x03, 0x80, 0x03, 0x80, 0x00, 0x00, }
};

Cursor tl = {
  {-4, -4},
  {0xfe, 0x00, 0x82, 0x00, 0x8c, 0x00, 0x87, 0xff,
   0xa0, 0x01, 0xb0, 0x01, 0xd0, 0x01, 0x11, 0xff,
   0x11, 0x00, 0x11, 0x00, 0x11, 0x00, 0x11, 0x00,
   0x11, 0x00, 0x11, 0x00, 0x11, 0x00, 0x1f, 0x00, },
  {0x00, 0x00, 0x7c, 0x00, 0x70, 0x00, 0x78, 0x00,
   0x5f, 0xfe, 0x4f, 0xfe, 0x0f, 0xfe, 0x0e, 0x00,
   0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00,
   0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00, 0x00, 0x00, }
};

Cursor t = {
  {-7, -8},
  {0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x06, 0xc0,
   0x1c, 0x70, 0x10, 0x10, 0x0c, 0x60, 0xfc, 0x7f,
   0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0xff, 0xff,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
   0x03, 0x80, 0x0f, 0xe0, 0x03, 0x80, 0x03, 0x80,
   0x7f, 0xfe, 0x7f, 0xfe, 0x7f, 0xfe, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }
};

Cursor tr = {
  {-11, -4},
  {0x00, 0x7f, 0x00, 0x41, 0x00, 0x31, 0xff, 0xe1,
   0x80, 0x05, 0x80, 0x0d, 0x80, 0x0b, 0xff, 0x88,
   0x00, 0x88, 0x0, 0x88, 0x00, 0x88, 0x00, 0x88,
   0x00, 0x88, 0x00, 0x88, 0x00, 0x88, 0x00, 0xf8, },
  {0x00, 0x00, 0x00, 0x3e, 0x00, 0x0e, 0x00, 0x1e,
   0x7f, 0xfa, 0x7f, 0xf2, 0x7f, 0xf0, 0x00, 0x70,
   0x00, 0x70, 0x00, 0x70, 0x00, 0x70, 0x00, 0x70,
   0x00, 0x70, 0x00, 0x70, 0x00, 0x70, 0x00, 0x00, }
};

Cursor r = {
  {-8, -7},
  {0x07, 0xc0, 0x04, 0x40, 0x04, 0x40, 0x04, 0x58,
   0x04, 0x68, 0x04, 0x6c, 0x04, 0x06, 0x04, 0x02,
   0x04, 0x06, 0x04, 0x6c, 0x04, 0x68, 0x04, 0x58,
   0x04, 0x40, 0x04, 0x40, 0x04, 0x40, 0x07, 0xc0, },
  {0x00, 0x00, 0x03, 0x80, 0x03, 0x80, 0x03, 0x80,
   0x03, 0x90, 0x03, 0x90, 0x03, 0xf8, 0x03, 0xfc,
   0x03, 0xf8, 0x03, 0x90, 0x03, 0x90, 0x03, 0x80,
   0x03, 0x80, 0x03, 0x80, 0x03, 0x80, 0x00, 0x00, }
};

Cursor br = {
  {-11, -11},
  {0x00, 0xf8, 0x00, 0x88, 0x00, 0x88, 0x00, 0x88,
   0x00, 0x88, 0x00, 0x88, 0x00, 0x88, 0x00, 0x88,
   0xff, 0x88, 0x80, 0x0b, 0x80, 0x0d, 0x80, 0x05,
   0xff, 0xe1, 0x00, 0x31, 0x00, 0x41, 0x00, 0x7f, },
  {0x00, 0x00, 0x00, 0x70, 0x00, 0x70, 0x00, 0x70,
   0x0, 0x70, 0x00, 0x70, 0x00, 0x70, 0x00, 0x70,
   0x00, 0x70, 0x7f, 0xf0, 0x7f, 0xf2, 0x7f, 0xfa,
   0x00, 0x1e, 0x00, 0x0e, 0x00, 0x3e, 0x00, 0x00, }
};

Cursor b = {
  {-7, -7},
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0xff, 0xff, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
   0xfc, 0x7f, 0x0c, 0x60, 0x10, 0x10, 0x1c, 0x70,
   0x06, 0xc0, 0x03, 0x80, 0x00, 0x00, 0x00, 0x00, },
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x7f, 0xfe, 0x7f, 0xfe, 0x7f, 0xfe,
   0x03, 0x80, 0x03, 0x80, 0x0f, 0xe0, 0x03, 0x80,
   0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }
};

Cursor bl = {
  {-4, -11},
  {0x1f, 0x00, 0x11, 0x00, 0x11, 0x00, 0x11, 0x00,
   0x11, 0x00, 0x11, 0x00, 0x11, 0x00, 0x11, 0x00,
   0x11, 0xff, 0xd0, 0x01, 0xb0, 0x01, 0xa0, 0x01,
   0x87, 0xff, 0x8c, 0x00, 0x82, 0x00, 0xfe, 0x00, },
  {0x00, 0x00, 0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00,
   0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00, 0x0e, 0x00,
   0x0e, 0x00, 0x0f, 0xfe, 0x4f, 0xfe, 0x5f, 0xfe,
   0x78, 0x00, 0x70, 0x00, 0x7c, 0x00, 0x00, 0x0, }
};

Cursor l = {
  {-7, -7},
  {0x03, 0xe0, 0x02, 0x20, 0x02, 0x20, 0x1a, 0x20,
   0x16, 0x20, 0x36, 0x20, 0x60, 0x20, 0x40, 0x20,
   0x60, 0x20, 0x36, 0x20, 0x16, 0x20, 0x1a, 0x20,
   0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x03, 0xe0, },
  {0x00, 0x00, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0,
   0x09, 0xc0, 0x09, 0xc0, 0x1f, 0xc0, 0x3f, 0xc0,
   0x1f, 0xc0, 0x09, 0xc0, 0x09, 0xc0, 0x01, 0xc0,
   0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x00, 0x00, }
};

Cursor *corners[9] = {
  &tl,	&t,	&tr,
  &l,	nil,	&r,
  &bl,	&b,	&br
};

*/