80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
// 4 august 2014
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package ui
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import (
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"unsafe"
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)
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// #include "objc_darwin.h"
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import "C"
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type container struct {
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id C.id
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resize func(x int, y int, width int, height int, d *sizing)
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margined bool
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}
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type sizing struct {
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sizingbase
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// for size calculations
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// nothing on Mac OS X
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// for the actual resizing
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neighborAlign C.struct_xalignment
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}
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// containerResized() gets called early so we have to do this in the constructor
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func newContainer(resize func(x int, y int, width int, height int, d *sizing)) *container {
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c := new(container)
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c.resize = resize
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c.id = C.newContainerView(unsafe.Pointer(c))
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return c
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}
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func (c *container) parent() *controlParent {
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return &controlParent{c.id}
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}
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//export containerResized
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func containerResized(data unsafe.Pointer) {
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c := (*container)(data)
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d := beginResize()
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// TODO make this a parameter
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b := C.containerBounds(c.id)
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if c.margined {
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b.x += C.intptr_t(macXMargin)
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b.y += C.intptr_t(macYMargin)
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b.width -= C.intptr_t(macXMargin) * 2
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b.height -= C.intptr_t(macYMargin) * 2
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}
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c.resize(int(b.x), int(b.y), int(b.width), int(b.height), d)
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}
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// These are based on measurements from Interface Builder.
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// TODO reverify these against /layout rects/, not /frame rects/
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const (
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macXMargin = 20
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macYMargin = 20
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macXPadding = 8
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macYPadding = 8
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)
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func beginResize() (d *sizing) {
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d = new(sizing)
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d.xpadding = macXPadding
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d.ypadding = macYPadding
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return d
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}
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/*TODO
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func (c *container) translateAllocationCoords(allocations []*allocation, winwidth, winheight int) {
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for _, a := range allocations {
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// winheight - y because (0,0) is the bottom-left corner of the window and not the top-left corner
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// (winheight - y) - height because (x, y) is the bottom-left corner of the control and not the top-left
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a.y = (winheight - a.y) - a.height
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}
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}
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*/
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