MultilineEntry added

multilineentry.go

@@ -0,0 +1,137 @@
+// multiline entry
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "ui.h"
+// extern void doMultilineEntryOnChanged(uiMultilineEntry*, void *);
+// static inline void realuiMultilineEntryOnChanged(uiMultilineEntry *e)
+// {
+// 	 uiMultilineEntryOnChanged(e, doMultilineEntryOnChanged, NULL);
+// }
+import "C"
+
+// no need to lock this; only the GUI thread can access it
+var mEntries = make(map[*C.uiMultilineEntry]*MultilineEntry)
+
+// MultilineEntry is a Control that represents a space that the user can
+// type multiple lines of text into.
+type MultilineEntry struct {
+	c *C.uiControl
+	e *C.uiMultilineEntry
+
+	onChanged func(*MultilineEntry)
+}
+
+// NewMultilineEntry creates a new MultilineEntry.
+func NewMultilineEntry() *MultilineEntry {
+	e := new(MultilineEntry)
+
+	e.e = C.uiNewMultilineEntry()
+	e.c = (*C.uiControl)(unsafe.Pointer(e.e))
+
+	C.realuiMultilineEntryOnChanged(e.e)
+	mEntries[e.e] = e
+
+	return e
+}
+
+// NewMultilineNonWrappingEntry creates a new MultilineEntry.
+func NewMultilineNonWrappingEntry() *MultilineEntry {
+	e := new(MultilineEntry)
+
+	e.e = C.uiNewNonWrappingMultilineEntry()
+	e.c = (*C.uiControl)(unsafe.Pointer(e.e))
+
+	C.realuiMultilineEntryOnChanged(e.e)
+	mEntries[e.e] = e
+
+	return e
+}
+
+// Destroy destroys the MultilineEntry.
+func (e *MultilineEntry) Destroy() {
+	delete(mEntries, 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 *MultilineEntry) LibuiControl() uintptr {
+	return uintptr(unsafe.Pointer(e.c))
+}
+
+// Handle returns the OS-level handle associated with this MultilineEntry.
+func (e *MultilineEntry) Handle() uintptr {
+	return uintptr(C.uiControlHandle(e.c))
+}
+
+// Show shows the MultilineEntry.
+func (e *MultilineEntry) Show() {
+	C.uiControlShow(e.c)
+}
+
+// Hide hides the MultilineEntry.
+func (e *MultilineEntry) Hide() {
+	C.uiControlHide(e.c)
+}
+
+// Enable enables the MultilineEntry.
+func (e *MultilineEntry) Enable() {
+	C.uiControlEnable(e.c)
+}
+
+// Disable disables the MultilineEntry.
+func (e *MultilineEntry) Disable() {
+	C.uiControlDisable(e.c)
+}
+
+// Text returns the MultilineEntry's text.
+func (e *MultilineEntry) Text() string {
+	ctext := C.uiMultilineEntryText(e.e)
+	text := C.GoString(ctext)
+	C.uiFreeText(ctext)
+	return text
+}
+
+// SetText sets the MultilineEntry's text to text.
+func (e *MultilineEntry) SetText(text string) {
+	ctext := C.CString(text)
+	C.uiMultilineEntrySetText(e.e, ctext)
+	freestr(ctext)
+}
+
+// Append text to the MultilineEntry's text.
+func (e *MultilineEntry) Append(text string) {
+	ctext := C.CString(text)
+	C.uiMultilineEntryAppend(e.e, ctext)
+	freestr(ctext)
+}
+
+// OnChanged registers f to be run when the user makes a change to
+// the MultilineEntry. Only one function can be registered at a time.
+func (e *MultilineEntry) OnChanged(f func(*MultilineEntry)) {
+	e.onChanged = f
+}
+
+//export doMultilineEntryOnChanged
+func doMultilineEntryOnChanged(ee *C.uiMultilineEntry, data unsafe.Pointer) {
+	e := mEntries[ee]
+	if e.onChanged != nil {
+		e.onChanged(e)
+	}
+}
+
+// ReadOnly returns whether the MultilineEntry can be changed.
+func (e *MultilineEntry) ReadOnly() bool {
+	return tobool(C.uiMultilineEntryReadOnly(e.e))
+}
+
+// SetReadOnly sets whether the MultilineEntry can be changed.
+func (e *MultilineEntry) SetReadOnly(ro bool) {
+	C.uiMultilineEntrySetReadOnly(e.e, frombool(ro))
+}