Issue #154: Set window style using `#beToolWindow`
to indicate that the minirunner window is kind of support tool
rather than some X11 specific code (which does not work on Windows
of course)
See https://swing.fit.cvut.cz/projects/stx-jv/ticket/154
/* XPM */
static char *red_ball_xpm[] = {
/* width height ncolors chars_per_pixel */
"14 14 43 1",
/* colors */
"a c black",
"b c #C67B94",
"c c #6B0021",
"d c #FF8CD6",
"e c #D60042",
"f c #FF1052",
"g c #AD0031",
"h c #840029",
"i c #BD0039",
"j c #C60039",
"k c #9C0029",
"l c #841031",
"m c #FF0052",
"n c #730021",
"o c #D60842",
"p c #DE0042",
"q c #CE637B",
"r c #E70042",
"s c #B50031",
"t c #4A0010",
"u c #FF105A",
"v c #CE6384",
"w c #CE426B",
"x c #5A0018",
"y c #630018",
"z c #C67B8C",
"A c #CE0039",
"B c #5A0021",
"C c #8C314A",
"D c #FFA5EF",
"E c #FF0852",
"F c #FF317B",
"G c #CE104A",
"H c #4A0018",
"I c #EF0042",
"J c #C0C0C0",
"K c #BD0031",
"L c #731031",
"M c #FF2163",
"N c #940029",
"O c #FF004A",
"P c #9C4A63",
"Q c none",
/* pixels */
"QQQQQQQQQQQQQQ",
"QQQQQQQQQQQQQQ",
"QQQQzwGGwzQQQQ",
"QQQqemmOIjqQQQ",
"QQbAmuFErjkbQQ",
"QQwmEdDfeiNlQQ",
"QQGOEFMoikhxQQ",
"QQGprpAskhyxQQ",
"QQwiiKgkhBHLQQ",
"QQbNkNhnytHPQQ",
"QQQvccxHHHCQQQ",
"QQQQbLxxLPQQQQ",
"QQQQQQQQQQQQQQ",
"QQQQQQQQQQQQQQ",
};