86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
// 16 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 textfield struct {
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*controlSingleObject
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changed *event
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invalid C.id
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chainpreferredSize func(d *sizing) (int, int)
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}
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func finishNewTextField(id C.id) *textfield {
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t := &textfield{
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controlSingleObject: newControlSingleObject(id),
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changed: newEvent(),
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}
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C.textfieldSetDelegate(t.id, unsafe.Pointer(t))
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t.chainpreferredSize = t.fpreferredSize
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t.fpreferredSize = t.xpreferredSize
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return t
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}
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func newTextField() *textfield {
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return finishNewTextField(C.newTextField())
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}
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func newPasswordField() *textfield {
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return finishNewTextField(C.newPasswordField())
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}
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func (t *textfield) Text() string {
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return C.GoString(C.textfieldText(t.id))
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}
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func (t *textfield) SetText(text string) {
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ctext := C.CString(text)
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defer C.free(unsafe.Pointer(ctext))
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C.textfieldSetText(t.id, ctext)
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}
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func (t *textfield) OnChanged(f func()) {
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t.changed.set(f)
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}
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func (t *textfield) Invalid(reason string) {
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if t.invalid != nil {
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C.textfieldCloseInvalidPopover(t.invalid)
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t.invalid = nil
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}
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if reason == "" {
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return
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}
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creason := C.CString(reason)
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defer C.free(unsafe.Pointer(creason))
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t.invalid = C.textfieldOpenInvalidPopover(t.id, creason)
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}
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// note that the property here is editable, which is the opposite of read-only
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func (t *textfield) ReadOnly() bool {
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return !fromBOOL(C.textfieldEditable(t.id))
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}
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func (t *textfield) SetReadOnly(readonly bool) {
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C.textfieldSetEditable(t.id, toBOOL(!readonly))
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}
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//export textfieldChanged
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func textfieldChanged(data unsafe.Pointer) {
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t := (*textfield)(data)
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t.changed.fire()
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}
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func (t *textfield) xpreferredSize(d *sizing) (width, height int) {
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_, height = t.chainpreferredSize(d)
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// the returned width is based on the contents; use this instead
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return C.textfieldWidth, height
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}
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