Exemplo n.º 1
0
FReply STableViewBase::OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
	if ( MouseEvent.GetEffectingButton() == EKeys::RightMouseButton )
	{

		OnRightMouseButtonUp( MouseEvent );

		FReply Reply = FReply::Handled().ReleaseMouseCapture();
		bShowSoftwareCursor = false;

		// If we have mouse capture, snap the mouse back to the closest location that is within the list's bounds
		if ( HasMouseCapture() )
		{
			FSlateRect ListScreenSpaceRect = MyGeometry.GetClippingRect();
			FVector2D CursorPosition = MyGeometry.LocalToAbsolute( SoftwareCursorPosition );

			FIntPoint BestPositionInList(
				FMath::RoundToInt( FMath::Clamp( CursorPosition.X, ListScreenSpaceRect.Left, ListScreenSpaceRect.Right ) ),
				FMath::RoundToInt( FMath::Clamp( CursorPosition.Y, ListScreenSpaceRect.Top, ListScreenSpaceRect.Bottom ) )
				);

			Reply.SetMousePos(BestPositionInList);
		}

		return Reply;
	}
	return FReply::Unhandled();
}
Exemplo n.º 2
0
FReply FScrollyZoomy::OnMouseButtonUp( const TSharedRef<SWidget> MyWidget, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
	if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
	{
		AmountScrolledWhileRightMouseDown = 0;

		FReply Reply = FReply::Handled().ReleaseMouseCapture();
		bShowSoftwareCursor = false;

		// If we have mouse capture, snap the mouse back to the closest location that is within the panel's bounds
		if (MyWidget->HasMouseCapture())
		{
			FSlateRect PanelScreenSpaceRect = MyGeometry.GetClippingRect();
			FVector2D CursorPosition = MyGeometry.LocalToAbsolute( SoftwareCursorPosition );

			FIntPoint BestPositionInPanel(
				FMath::RoundToInt( FMath::Clamp( CursorPosition.X, PanelScreenSpaceRect.Left, PanelScreenSpaceRect.Right ) ),
				FMath::RoundToInt( FMath::Clamp( CursorPosition.Y, PanelScreenSpaceRect.Top, PanelScreenSpaceRect.Bottom ) )
				);

			Reply.SetMousePos( BestPositionInPanel );
		}

		if (!bUseIntertialScrolling)
		{
			HorizontalIntertia.ClearScrollVelocity();
			VerticalIntertia.ClearScrollVelocity();
		}

		return Reply;
	}

	return FReply::Unhandled();
}
Exemplo n.º 3
0
FReply SPaperEditorViewport::OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
	// Did the user move the cursor sufficiently far, or is it in a dead zone?
	// In Dead zone     - implies actions like summoning context menus and general clicking.
	// Out of Dead Zone - implies dragging actions like moving nodes and marquee selection.
	const bool bCursorInDeadZone = TotalMouseDelta <= FSlateApplication::Get().GetDragTriggerDistance();

	if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
	{
		FReply ReplyState = FReply::Handled();

		if (HasMouseCapture())
		{
			FSlateRect ThisPanelScreenSpaceRect = MyGeometry.GetClippingRect();
			const FVector2D ScreenSpaceCursorPos = MyGeometry.LocalToAbsolute( GraphCoordToPanelCoord( SoftwareCursorPosition ) );

			FIntPoint BestPositionInViewport(
				FMath::RoundToInt( FMath::Clamp( ScreenSpaceCursorPos.X, ThisPanelScreenSpaceRect.Left, ThisPanelScreenSpaceRect.Right ) ),
				FMath::RoundToInt( FMath::Clamp( ScreenSpaceCursorPos.Y, ThisPanelScreenSpaceRect.Top, ThisPanelScreenSpaceRect.Bottom ) )
				);

			if (!bCursorInDeadZone)
			{
				ReplyState.SetMousePos(BestPositionInViewport);
			}
		}

		TSharedPtr<SWidget> WidgetToFocus;
		if (bCursorInDeadZone)
		{
			//WidgetToFocus = OnSummonContextMenu(MyGeometry, MouseEvent);
		}

		bShowSoftwareCursor = false;

		bIsPanning = false;
		return (WidgetToFocus.IsValid())
			? ReplyState.ReleaseMouseCapture().SetUserFocus(WidgetToFocus.ToSharedRef(), EFocusCause::SetDirectly)
			: ReplyState.ReleaseMouseCapture();
	}
	else if (MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton)
	{
		if (OnHandleLeftMouseRelease(MyGeometry, MouseEvent))
		{

		}
		else if (bCursorInDeadZone)
		{
			//@TODO: Move to selection manager
// 			if ( NodeUnderMousePtr.IsValid() )
// 			{
// 				// We clicked on a node!
// 				TSharedRef<SNode> NodeWidgetUnderMouse = NodeUnderMousePtr.Pin().ToSharedRef();
// 
// 				SelectionManager.ClickedOnNode(NodeWidgetUnderMouse->GetObjectBeingDisplayed(), MouseEvent);
// 
// 				// We're done interacting with this node.
// 				NodeUnderMousePtr.Reset();
// 			}
// 			else 
			if (HasMouseCapture())
 			{
 				// We clicked on the panel background

				//@TODO: There isn't a marquee operation for clear, need to signal to remove existing sets too!
				//Marquee.End();
 				//OnSelectionChanged.ExecuteIfBound(Marquee, false);
 			}
		}
		else if (Marquee.IsValid())
		{
			//ApplyMarqueeSelection(Marquee, SelectionManager.SelectedNodes, SelectionManager.SelectedNodes);
			//SelectionManager.OnSelectionChanged.ExecuteIfBound(SelectionManager.SelectedNodes);
			OnSelectionChanged.ExecuteIfBound(Marquee, true);
		}

		// The existing marquee operation ended; reset it.
		Marquee = FMarqueeOperation();

		if (bIsPanning)
		{
			// We have released the left mouse button. But we're still panning
			// (i.e. RIGHT MOUSE is down), so we want to hold on to capturing mouse input.
			return FReply::Handled();
		}
		else
		{
			// We aren't panning, so we can release the mouse capture.
			return FReply::Handled().ReleaseMouseCapture();
		}	
	}

	return FReply::Unhandled();	
}