98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
// 30 july 2014
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package ui
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// #include "objc_darwin.h"
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import "C"
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type controlbase struct {
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*controldefs
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id C.id
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}
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type controlParent struct {
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id C.id
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}
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func newControl(id C.id) *controlbase {
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c := new(controlbase)
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c.id = id
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c.controldefs = new(controldefs)
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c.fsetParent = func(p *controlParent) {
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// redrawing the new window handled by C.parent()
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C.parent(c.id, p.id)
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}
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c.fcontainerShow = func() {
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C.controlSetHidden(c.id, C.NO)
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}
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c.fcontainerHide = func() {
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C.controlSetHidden(c.id, C.YES)
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}
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c.fallocate = func(x int, y int, width int, height int, d *sizing) []*allocation {
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// TODO split into its own function
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return []*allocation{&allocation{
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x: x,
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y: y,
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width: width,
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height: height,
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this: c,
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}}
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}
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c.fpreferredSize = func(d *sizing) (int, int) {
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// TODO
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return 64, 32
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}
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c.fcommitResize = func(a *allocation, d *sizing) {
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//TODO
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/*
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if s.ctype == c_label && !s.alternate && c.neighbor != nil {
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c.neighbor.getAuxResizeInfo(d)
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if d.neighborAlign.baseline != 0 { // no adjustment needed if the given control has no baseline
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// in order for the baseline value to be correct, the label MUST BE AT THE HEIGHT THAT OS X WANTS IT TO BE!
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// otherwise, the baseline calculation will be relative to the bottom of the control, and everything will be wrong
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origsize := C.controlPrefSize(s.id)
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c.height = int(origsize.height)
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newrect := C.struct_xrect{
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x: C.intptr_t(c.x),
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y: C.intptr_t(c.y),
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width: C.intptr_t(c.width),
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height: C.intptr_t(c.height),
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}
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ourAlign := C.alignmentInfo(s.id, newrect)
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// we need to find the exact Y positions of the baselines
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// fortunately, this is easy now that (x,y) is the bottom-left corner
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thisbasey := ourAlign.alignmentRect.y + ourAlign.baseline
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neighborbasey := d.neighborAlign.alignmentRect.y + d.neighborAlign.baseline
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// now the amount we have to move the label down by is easy to find
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yoff := neighborbasey - thisbasey
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// and we just add that
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c.y += int(yoff)
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}
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// TODO if there's no baseline, the alignment should be to the top /of the alignment rect/, not the frame
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}
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*/
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C.moveControl(c.id, C.intptr_t(a.x), C.intptr_t(a.y), C.intptr_t(a.width), C.intptr_t(a.height))
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}
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c.fgetAuxResizeInfo = func(d *sizing) {
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// TODO
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// d.neighborAlign = C.alignmentInfo(s.id, C.frame(s.id))
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}
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return c
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}
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type scrolledcontrol struct {
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*controlbase
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scroller *controlbase
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}
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func newScrolledControl(id C.id) *scrolledcontrol {
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scroller := C.newScrollView(id)
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s := &scrolledcontrol{
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controlbase: newControl(id),
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scroller: newControl(scroller),
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}
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s.fsetParent = s.scroller.fsetParent
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s.fcommitResize = s.scroller.fcommitResize
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return s
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}
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