func (l *label) commitResize(c *allocation, d *sizing) { if !l.standalone && c.neighbor != nil { c.neighbor.getAuxResizeInfo(d) if d.neighborAlign.baseline != 0 { // no adjustment needed if the given control has no baseline // in order for the baseline value to be correct, the label MUST BE AT THE HEIGHT THAT OS X WANTS IT TO BE! // otherwise, the baseline calculation will be relative to the bottom of the control, and everything will be wrong origsize := C.controlPreferredSize(l._id) c.height = int(origsize.height) newrect := C.struct_xrect{ x: C.intptr_t(c.x), y: C.intptr_t(c.y), width: C.intptr_t(c.width), height: C.intptr_t(c.height), } ourAlign := C.alignmentInfo(l._id, newrect) // we need to find the exact Y positions of the baselines // fortunately, this is easy now that (x,y) is the bottom-left corner thisbasey := ourAlign.rect.y + ourAlign.baseline neighborbasey := d.neighborAlign.rect.y + d.neighborAlign.baseline // now the amount we have to move the label down by is easy to find yoff := neighborbasey - thisbasey // and we just add that c.y += int(yoff) } // in the other case, the most correct thing would be for Label to be aligned to the alignment rect, but I can't get this working, and it looks fine as it is anyway } basecommitResize(l, c, d) }
func (c *controlSingleObject) xpreferredSize(d *sizing) (int, int) { s := C.controlPreferredSize(c.id) return int(s.width), int(s.height) }
func basepreferredSize(c controlPrivate, d *sizing) (int, int) { s := C.controlPreferredSize(c.id()) return int(s.width), int(s.height) }