122 lines
2.6 KiB
Go
122 lines
2.6 KiB
Go
// 12 december 2015
|
|
|
|
package ui
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
// #include "ui.h"
|
|
// extern void doEntryOnChanged(uiEntry *, void *);
|
|
// static inline void realuiEntryOnChanged(uiEntry *b)
|
|
// {
|
|
// uiEntryOnChanged(b, doEntryOnChanged, NULL);
|
|
// }
|
|
import "C"
|
|
|
|
// no need to lock this; only the GUI thread can access it
|
|
var entries = make(map[*C.uiEntry]*Entry)
|
|
|
|
// Entry is a Control that represents a space that the user can
|
|
// type a single line of text into.
|
|
type Entry struct {
|
|
c *C.uiControl
|
|
e *C.uiEntry
|
|
|
|
onChanged func(*Entry)
|
|
}
|
|
|
|
// NewEntry creates a new Entry.
|
|
func NewEntry() *Entry {
|
|
e := new(Entry)
|
|
|
|
e.e = C.uiNewEntry()
|
|
e.c = (*C.uiControl)(unsafe.Pointer(e.e))
|
|
|
|
C.realuiEntryOnChanged(e.e)
|
|
entries[e.e] = e
|
|
|
|
return e
|
|
}
|
|
|
|
// Destroy destroys the Entry.
|
|
func (e *Entry) Destroy() {
|
|
delete(entries, e.e)
|
|
C.uiControlDestroy(e.c)
|
|
}
|
|
|
|
// LibuiControl returns the libui uiControl pointer that backs
|
|
// the Window. This is only used by package ui itself and should
|
|
// not be called by programs.
|
|
func (e *Entry) LibuiControl() uintptr {
|
|
return uintptr(unsafe.Pointer(e.c))
|
|
}
|
|
|
|
// Handle returns the OS-level handle associated with this Entry.
|
|
// On Windows this is an HWND of a standard Windows API EDIT
|
|
// class (as provided by Common Controls version 6).
|
|
// On GTK+ this is a pointer to a GtkEntry.
|
|
// On OS X this is a pointer to a NSTextField.
|
|
func (e *Entry) Handle() uintptr {
|
|
return uintptr(C.uiControlHandle(e.c))
|
|
}
|
|
|
|
// Show shows the Entry.
|
|
func (e *Entry) Show() {
|
|
C.uiControlShow(e.c)
|
|
}
|
|
|
|
// Hide hides the Entry.
|
|
func (e *Entry) Hide() {
|
|
C.uiControlHide(e.c)
|
|
}
|
|
|
|
// Enable enables the Entry.
|
|
func (e *Entry) Enable() {
|
|
C.uiControlEnable(e.c)
|
|
}
|
|
|
|
// Disable disables the Entry.
|
|
func (e *Entry) Disable() {
|
|
C.uiControlDisable(e.c)
|
|
}
|
|
|
|
// Text returns the Entry's text.
|
|
func (e *Entry) Text() string {
|
|
ctext := C.uiEntryText(e.e)
|
|
text := C.GoString(ctext)
|
|
C.uiFreeText(ctext)
|
|
return text
|
|
}
|
|
|
|
// SetText sets the Entry's text to text.
|
|
func (e *Entry) SetText(text string) {
|
|
ctext := C.CString(text)
|
|
C.uiEntrySetText(e.e, ctext)
|
|
freestr(ctext)
|
|
}
|
|
|
|
// OnChanged registers f to be run when the user makes a change to
|
|
// the Entry. Only one function can be registered at a time.
|
|
func (e *Entry) OnChanged(f func(*Entry)) {
|
|
e.onChanged = f
|
|
}
|
|
|
|
//export doEntryOnChanged
|
|
func doEntryOnChanged(ee *C.uiEntry, data unsafe.Pointer) {
|
|
e := entries[ee]
|
|
if e.onChanged != nil {
|
|
e.onChanged(e)
|
|
}
|
|
}
|
|
|
|
// ReadOnly returns whether the Entry can be changed.
|
|
func (e *Entry) ReadOnly() bool {
|
|
return tobool(C.uiEntryReadOnly(e.e))
|
|
}
|
|
|
|
// SetReadOnly sets whether the Entry can be changed.
|
|
func (e *Entry) SetReadOnly(ro bool) {
|
|
C.uiEntrySetReadOnly(e.e, frombool(ro))
|
|
}
|