Exemplo n.º 1
0
func (s *sysData) commitResize(c *allocation, d *sysSizeData) {
	if s.ctype == c_label && !s.alternate && 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.controlPrefSize(s.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(s.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.alignmentRect.y + ourAlign.baseline
			neighborbasey := d.neighborAlign.alignmentRect.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)
		}
		// TODO if there's no baseline, the alignment should be to the top /of the alignment rect/, not the frame
	}
	C.setRect(s.id, C.intptr_t(c.x), C.intptr_t(c.y), C.intptr_t(c.width), C.intptr_t(c.height))
}
Exemplo n.º 2
0
// standard case: control immediately passed in
func controlPrefSize(control C.id) (width int, height int) {
	r := C.controlPrefSize(control)
	return int(r.width), int(r.height)
}