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-rw-r--r--cocoa/ScintillaView.h2
-rw-r--r--cocoa/ScintillaView.mm22
2 files changed, 23 insertions, 1 deletions
diff --git a/cocoa/ScintillaView.h b/cocoa/ScintillaView.h
index 996501788..356c34adb 100644
--- a/cocoa/ScintillaView.h
+++ b/cocoa/ScintillaView.h
@@ -48,7 +48,7 @@ extern NSString *SCIUpdateUINotification;
* InnerView is the Cocoa interface to the Scintilla backend. It handles text input and
* provides a canvas for painting the output.
*/
-@interface InnerView : NSView <NSTextInputClient>
+@interface InnerView : NSView <NSTextInputClient, NSUserInterfaceValidations>
{
@private
ScintillaView* mOwner;
diff --git a/cocoa/ScintillaView.mm b/cocoa/ScintillaView.mm
index a23a4b8b0..7f6b4991e 100644
--- a/cocoa/ScintillaView.mm
+++ b/cocoa/ScintillaView.mm
@@ -787,6 +787,28 @@ static NSCursor *cursorFromEnum(Window::Cursor cursor)
return mOwner.backend->CanRedo();
}
+- (BOOL) validateUserInterfaceItem: (id <NSValidatedUserInterfaceItem>) anItem
+{
+ SEL action = [anItem action];
+ if (action==@selector(undo:)) {
+ return [self canUndo];
+ }
+ else if (action==@selector(redo:)) {
+ return [self canRedo];
+ }
+ else if (action==@selector(cut:) || action==@selector(copy:) || action==@selector(clear:)) {
+ return mOwner.backend->HasSelection();
+ }
+ else if (action==@selector(paste:)) {
+ return mOwner.backend->CanPaste();
+ }
+ return YES;
+}
+
+- (void) clear: (id) sender
+{
+ [self deleteBackward:sender];
+}
- (BOOL) isEditable
{