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Diffstat (limited to 'src/gui/kernel/qcocoaview_mac.mm')
-rw-r--r--src/gui/kernel/qcocoaview_mac.mm38
1 files changed, 35 insertions, 3 deletions
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 5c90e2e..1935531 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -269,6 +269,28 @@ static int qCocoaViewCount = 0;
dropData = new QCocoaDropData(dropPasteboard);
}
+- (void)changeDraggingCursor:(NSDragOperation)newOperation
+{
+ static SEL action = nil;
+ static bool operationSupported = false;
+ if (action == nil) {
+ action = NSSelectorFromString(@"operationNotAllowedCursor");
+ if ([NSCursor respondsToSelector:action]) {
+ operationSupported = true;
+ }
+ }
+ if (operationSupported) {
+ NSCursor *notAllowedCursor = [NSCursor performSelector:action];
+ bool isNotAllowedCursor = ([NSCursor currentCursor] == notAllowedCursor);
+ if (newOperation == NSDragOperationNone && !isNotAllowedCursor) {
+ [notAllowedCursor push];
+ } else if (newOperation != NSDragOperationNone && isNotAllowedCursor) {
+ [notAllowedCursor pop];
+ }
+
+ }
+}
+
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
{
// NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly
@@ -300,6 +322,7 @@ static int qCocoaViewCount = 0;
if (!qDEEvent.isAccepted()) {
// widget is not interested in this drag, so ignore this drop data.
[self removeDropData];
+ [self changeDraggingCursor:NSDragOperationNone];
return NSDragOperationNone;
} else {
// save the mouse position, used by draggingExited handler.
@@ -321,6 +344,7 @@ static int qCocoaViewCount = 0;
nsActions = QT_PREPEND_NAMESPACE(qt_mac_mapDropAction)(qDMEvent.dropAction());
}
QT_PREPEND_NAMESPACE(qt_mac_copy_answer_rect)(qDMEvent);
+ [self changeDraggingCursor:nsActions];
return nsActions;
}
}
@@ -335,16 +359,21 @@ static int qCocoaViewCount = 0;
if (dragEnterSequence != [sender draggingSequenceNumber])
[self draggingEntered:sender];
// drag enter event was rejected, so ignore the move event.
- if (dropData == 0)
+ if (dropData == 0) {
+ [self changeDraggingCursor:NSDragOperationNone];
return NSDragOperationNone;
+ }
// return last value, if we are still in the answerRect.
NSPoint globalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:windowPoint];
NSPoint localPoint = [self convertPoint:windowPoint fromView:nil];
NSDragOperation nsActions = [sender draggingSourceOperationMask];
QPoint posDrag(localPoint.x, localPoint.y);
if (qt_mac_mouse_inside_answer_rect(posDrag)
- && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) == nsActions)
- return QT_PREPEND_NAMESPACE(qt_mac_mapDropActions)(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastAction));
+ && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) == nsActions) {
+ NSDragOperation operation = QT_PREPEND_NAMESPACE(qt_mac_mapDropActions)(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastAction));
+ [self changeDraggingCursor:operation];
+ return operation;
+ }
// send drag move event to the widget
QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) = nsActions;
Qt::DropActions qtAllowed = QT_PREPEND_NAMESPACE(qt_mac_mapNSDragOperations)(nsActions);
@@ -373,6 +402,7 @@ static int qCocoaViewCount = 0;
qDMEvent.setDropAction(Qt::IgnoreAction);
}
qt_mac_copy_answer_rect(qDMEvent);
+ [self changeDraggingCursor:operation];
return operation;
}
@@ -388,6 +418,8 @@ static int qCocoaViewCount = 0;
QApplication::sendEvent(qwidget, &de);
[self removeDropData];
}
+ [self changeDraggingCursor:NSDragOperationEvery];
+
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender