void
onExpose(Widget w, XtPointer udata, XtPointer cdata)
{
Widget mgr = (Widget) udata;
/* draw into window */
XmeDrawArrow(XtDisplay(w),
XtWindow(w),
Prim_BottomShadowGC(w), /* bottom gc */
Prim_TopShadowGC(w), /* top gc */
MGR_BackgroundGC(mgr), /* fill gc */
5, 5, 21, 22, 1, XmARROW_DOWN);
}
/* Wrapper around XmeDrawArrow to calculate sizes. */
static void
DrawArrow(XmArrowButtonWidget aw,
GC top_gc,
GC bottom_gc,
GC center_gc)
{
Position x, y;
Dimension width, height;
Dimension margin = (aw->primitive.highlight_thickness +
aw->primitive.shadow_thickness);
/* Don't let large margins cause confusion. */
if (margin <= (Dimension)(aw->core.width / 2))
{
x = margin;
width = aw->core.width - (margin * 2);
}
else
{
x = aw->core.width / 2;
width = 0;
}
if (margin <= (Dimension)(aw->core.height / 2))
{
y = margin;
height = aw->core.height - (margin * 2);
}
else
{
y = aw->core.height / 2;
height = 0;
}
/* The way we currently handle 1 shadowThickness in XmeDrawArrow
is by drawing the center a little bit bigger, so the center_gc has
to be present. Kinda hacky... */
if (!center_gc &&
aw->arrowbutton.detail_shadow_thickness == 1)
center_gc = aw->arrowbutton.arrow_GC ;
if (center_gc)
XSetClipMask(XtDisplay((Widget)aw), center_gc, None);
XmeDrawArrow (XtDisplay ((Widget) aw), XtWindow ((Widget) aw),
top_gc, bottom_gc, center_gc,
x, y, width, height,
aw->arrowbutton.detail_shadow_thickness,
aw->arrowbutton.direction);
}
