51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
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// 25 july 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 tab struct {
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*controlbase
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tabs []*sizer
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}
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func newTab() Tab {
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t := new(tab)
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id := C.newTab(unsafe.Pointer(t))
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t.controlbase = newControl(id)
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t.fpreferredSize = t.tabpreferredSize
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return t
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}
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func (t *tab) Append(name string, control Control) {
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s := new(sizer)
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t.tabs = append(t.tabs, s)
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cname := C.CString(name)
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defer C.free(unsafe.Pointer(cname))
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tabview := C.tabAppend(t.id, cname)
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s.child = control
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s.child.setParent(&controlParent{tabview})
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}
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func (t *tab) tabpreferredSize(d *sizing) (width, height int) {
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s := C.tabPrefSize(t.id)
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return int(s.width), int(s.height)
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}
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// no need to override Control.commitResize() as only prepared the tabbed control; its children will be reallocated when that one is resized
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//export tabResized
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func tabResized(data unsafe.Pointer, width C.intptr_t, height C.intptr_t) {
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t := (*tab)(unsafe.Pointer(data))
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for _, s := range t.tabs {
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// the tab area's coordinate system is localized, so the origin is (0, 0)
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s.resize(0, 0, int(width), int(height))
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}
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}
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