entry: handle onKeyEvent

- no x86 linux binary update. no build environment

entry.go

@@ -19,6 +19,7 @@ type Entry struct {
 	ControlBase
 	e	*C.uiEntry
 	onChanged		func(*Entry)
+	onKeyEvent		func(*Entry, *AreaKeyEvent) (handled bool)
 }
 
 func finishNewEntry(ee *C.uiEntry) *Entry {
@@ -27,6 +28,7 @@ func finishNewEntry(ee *C.uiEntry) *Entry {
 	e.e = ee
 
 	C.pkguiEntryOnChanged(e.e)
+	C.pkguiEntryOnKeyEvent(e.e)
 
 	e.ControlBase = NewControlBase(e, uintptr(unsafe.Pointer(e.e)))
 	return e
@@ -79,6 +81,28 @@ func pkguiDoEntryOnChanged(ee *C.uiEntry, data unsafe.Pointer) {
 	}
 }
 
+// OnKeyEvent 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) OnKeyEvent(f func(*Entry, *AreaKeyEvent) (handled bool) ) {
+	e.onKeyEvent = f
+}
+
+//export pkguiDoEntryOnKeyEvent
+func pkguiDoEntryOnKeyEvent(ee *C.uiEntry, uke *C.uiAreaKeyEvent) C.int {
+	ke := &AreaKeyEvent{
+		Key:		rune(uke.Key),
+		ExtKey:		ExtKey(uke.ExtKey),
+		Modifier:	Modifiers(uke.Modifier),
+		Modifiers:	Modifiers(uke.Modifiers),
+		Up:			tobool(uke.Up),
+	}
+	e := ControlFromLibui(uintptr(unsafe.Pointer(ee))).(*Entry)
+	if e.onKeyEvent != nil {
+		return frombool(e.onKeyEvent(e, ke))
+	}
+	return frombool(false)
+}
+
 // ReadOnly returns whether the Entry can be changed.
 func (e *Entry) ReadOnly() bool {
 	return tobool(C.uiEntryReadOnly(e.e))

pkgui.c

@@ -88,6 +88,11 @@ void pkguiEntryOnChanged(uiEntry *e)
 	uiEntryOnChanged(e, pkguiDoEntryOnChanged, NULL);
 }
 
+void pkguiEntryOnKeyEvent(uiEntry *e)
+{
+	uiEntryOnKeyEvent(e, pkguiDoEntryOnKeyEvent);
+}
+
 void pkguiFontButtonOnChanged(uiFontButton *b)
 {
 	uiFontButtonOnChanged(b, pkguiDoFontButtonOnChanged, NULL);

pkgui.h

@@ -47,6 +47,7 @@ extern void pkguiEditableComboboxOnChanged(uiEditableCombobox *c);
 
 // entry.go
 extern void pkguiEntryOnChanged(uiEntry *e);
+extern void pkguiEntryOnKeyEvent(uiEntry *e);
 
 // fontbutton.go
 extern void pkguiFontButtonOnChanged(uiFontButton *b);

ui.h

@@ -45,6 +45,12 @@ _UI_ENUM(uiForEach) {
 	uiForEachStop,
 };
 
+typedef struct uiArea uiArea;
+typedef struct uiAreaHandler uiAreaHandler;
+typedef struct uiAreaDrawParams uiAreaDrawParams;
+typedef struct uiAreaMouseEvent uiAreaMouseEvent;
+typedef struct uiAreaKeyEvent uiAreaKeyEvent;
+
 typedef struct uiInitOptions uiInitOptions;
 
 struct uiInitOptions {
@@ -162,6 +168,7 @@ typedef struct uiEntry uiEntry;
 _UI_EXTERN char *uiEntryText(uiEntry *e);
 _UI_EXTERN void uiEntrySetText(uiEntry *e, const char *text);
 _UI_EXTERN void uiEntryOnChanged(uiEntry *e, void (*f)(uiEntry *e, void *data), void *data);
+_UI_EXTERN void uiEntryOnKeyEvent(uiEntry *e, int (*f)(uiEntry *e, uiAreaKeyEvent *event));
 _UI_EXTERN int uiEntryReadOnly(uiEntry *e);
 _UI_EXTERN void uiEntrySetReadOnly(uiEntry *e, int readonly);
 _UI_EXTERN uiEntry *uiNewEntry(void);
@@ -297,11 +304,6 @@ _UI_EXTERN char *uiSaveFile(uiWindow *parent);
 _UI_EXTERN void uiMsgBox(uiWindow *parent, const char *title, const char *description);
 _UI_EXTERN void uiMsgBoxError(uiWindow *parent, const char *title, const char *description);
 
-typedef struct uiArea uiArea;
-typedef struct uiAreaHandler uiAreaHandler;
-typedef struct uiAreaDrawParams uiAreaDrawParams;
-typedef struct uiAreaMouseEvent uiAreaMouseEvent;
-typedef struct uiAreaKeyEvent uiAreaKeyEvent;
 
 typedef struct uiDrawContext uiDrawContext;