94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
// 12 december 2015
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// TODO typing in entry in OS X crashes libui
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// I've had similar issues with checkboxes on libui
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// something's wrong with NSMapTable
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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 "ui.h"
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// extern void doEntryOnChanged(uiEntry *, void *);
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// // see golang/go#19835
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// typedef void (*entryCallback)(uiEntry *, void *);
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import "C"
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// Entry is a Control that represents a space that the user can
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// type a single line of text into.
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type Entry struct {
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ControlBase
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e *C.uiEntry
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onChanged func(*Entry)
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}
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func finishNewEntry(ee *C.uiEntry) *Entry {
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e := new(Entry)
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e.e = ee
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C.uiEntryOnChanged(e.e, C.entryCallback(C.doEntryOnChanged), nil)
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e.ControlBase = NewControlBase(e, uintptr(unsafe.Pointer(e.e)))
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return e
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}
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// NewEntry creates a new Entry.
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func NewEntry() *Entry {
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return finishNewEntry(C.uiNewEntry())
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}
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// NewPasswordEntry creates a new Entry whose contents are
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// visibly obfuscated, suitable for passwords.
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func NewPasswordEntry() *Entry {
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return finishNewEntry(C.uiNewPasswordEntry())
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}
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// NewSearchEntry creates a new Entry suitable for searching with.
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// Changed events may, depending on the system, be delayed
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// with a search Entry, to produce a smoother user experience.
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func NewSearchEntry() *Entry {
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return finishNewEntry(C.uiNewSearchEntry())
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}
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// Text returns the Entry's text.
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func (e *Entry) Text() string {
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ctext := C.uiEntryText(e.e)
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text := C.GoString(ctext)
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C.uiFreeText(ctext)
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return text
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}
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// SetText sets the Entry's text to text.
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func (e *Entry) SetText(text string) {
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ctext := C.CString(text)
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C.uiEntrySetText(e.e, ctext)
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freestr(ctext)
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}
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// OnChanged registers f to be run when the user makes a change to
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// the Entry. Only one function can be registered at a time.
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func (e *Entry) OnChanged(f func(*Entry)) {
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e.onChanged = f
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}
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//export doEntryOnChanged
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func doEntryOnChanged(ee *C.uiEntry, data unsafe.Pointer) {
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e := ControlFromLibui(uintptr(unsafe.Pointer(ee))).(*Entry)
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if e.onChanged != nil {
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e.onChanged(e)
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}
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}
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// ReadOnly returns whether the Entry can be changed.
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func (e *Entry) ReadOnly() bool {
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return tobool(C.uiEntryReadOnly(e.e))
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}
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// SetReadOnly sets whether the Entry can be changed.
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func (e *Entry) SetReadOnly(ro bool) {
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C.uiEntrySetReadOnly(e.e, frombool(ro))
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}
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