FReply FSequencerEditTool_Movement::OnMouseMove(SWidget& OwnerWidget, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) { if (DelayedDrag.IsSet()) { const FVirtualTrackArea VirtualTrackArea = SequencerWidget.Pin()->GetVirtualTrackArea(); FReply Reply = FReply::Handled(); if (DelayedDrag->IsDragging()) { // If we're already dragging, just update the drag op if it exists if (DragOperation.IsValid()) { DragOperation->OnDrag(MouseEvent, MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition()), VirtualTrackArea); } } // Otherwise we can attempt a new drag else if (DelayedDrag->AttemptDragStart(MouseEvent)) { DragOperation = CreateDrag(); if (DragOperation.IsValid()) { DragOperation->OnBeginDrag(MouseEvent, DelayedDrag->GetInitialPosition(), VirtualTrackArea); // Steal the capture, as we're now the authoritative widget in charge of a mouse-drag operation Reply.CaptureMouse(OwnerWidget.AsShared()); } } return Reply; } return FReply::Unhandled(); }
FReply FSequencerTimeSliderController::OnMouseButtonDown( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) { bool bHandleLeftMouseButton = MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton; bool bHandleRightMouseButton = MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && TimeSliderArgs.AllowZoom; DistanceDragged = 0; FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); MouseDownRange[0] = RangeToScreen.LocalXToInput(MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()).X); MouseDownRange[1] = MouseDownRange[0]; if ( bHandleLeftMouseButton ) { return FReply::Handled().CaptureMouse( WidgetOwner.AsShared() ).PreventThrottling(); } else if ( bHandleRightMouseButton ) { // Always capture mouse if we left or right click on the widget return FReply::Handled().CaptureMouse( WidgetOwner.AsShared() ); } return FReply::Unhandled(); }
FReply FVisualLoggerTimeSliderController::OnMouseButtonDown( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) { bool bHandleLeftMouseButton = MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton; bool bHandleRightMouseButton = MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && TimeSliderArgs.AllowZoom; DistanceDragged = 0; if ( bHandleLeftMouseButton ) { // Always capture mouse if we left or right click on the widget FScrubRangeToScreen RangeToScreen(TimeSliderArgs.ViewRange.Get(), MyGeometry.Size); FVector2D CursorPos = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); float NewValue = RangeToScreen.LocalXToInput(CursorPos.X); CommitScrubPosition(NewValue, /*bIsScrubbing=*/false); return FReply::Handled().CaptureMouse( WidgetOwner.AsShared() ).PreventThrottling(); } else if ( bHandleRightMouseButton ) { return FReply::Handled().CaptureMouse(WidgetOwner.AsShared()); } return FReply::Unhandled(); }
FReply FVisualLoggerTimeSliderController::OnMouseButtonUp( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) { bool bHandleLeftMouseButton = MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton && WidgetOwner.HasMouseCapture(); bool bHandleRightMouseButton = MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && WidgetOwner.HasMouseCapture() && TimeSliderArgs.AllowZoom ; if ( bHandleRightMouseButton ) { if (!bPanning) { // return unhandled in case our parent wants to use our right mouse button to open a context menu return FReply::Unhandled().ReleaseMouseCapture(); } bPanning = false; FReply::Handled().CaptureMouse(WidgetOwner.AsShared()).UseHighPrecisionMouseMovement(WidgetOwner.AsShared()); return FReply::Handled().ReleaseMouseCapture(); } else if ( bHandleLeftMouseButton ) { if( bDraggingScrubber ) { TimeSliderArgs.OnEndScrubberMovement.ExecuteIfBound(); } else { FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); FVector2D CursorPos = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); float NewValue = RangeToScreen.LocalXToInput(CursorPos.X); CommitScrubPosition( NewValue, /*bIsScrubbing=*/false ); } bDraggingScrubber = false; return FReply::Handled().ReleaseMouseCapture(); } return FReply::Unhandled(); }
FReply FSequencerTimeSliderController::OnMouseButtonUp( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) { bool bHandleLeftMouseButton = MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton && WidgetOwner.HasMouseCapture(); bool bHandleRightMouseButton = MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && WidgetOwner.HasMouseCapture() && TimeSliderArgs.AllowZoom ; if ( bHandleRightMouseButton ) { if (!bPanning) { // Open a context menu if allowed if (ContextMenuSupression == 0 && TimeSliderArgs.PlaybackRange.IsSet()) { FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); FVector2D CursorPos = MyGeometry.AbsoluteToLocal( MouseEvent.GetScreenSpacePosition() ); float MouseValue = RangeToScreen.LocalXToInput( CursorPos.X ); if (TimeSliderArgs.Settings->GetIsSnapEnabled()) { MouseValue = TimeSliderArgs.Settings->SnapTimeToInterval(MouseValue); } TSharedRef<SWidget> MenuContent = OpenSetPlaybackRangeMenu(MouseValue); FSlateApplication::Get().PushMenu( WidgetOwner.AsShared(), MouseEvent.GetEventPath() != nullptr ? *MouseEvent.GetEventPath() : FWidgetPath(), MenuContent, MouseEvent.GetScreenSpacePosition(), FPopupTransitionEffect( FPopupTransitionEffect::ContextMenu ) ); return FReply::Handled().SetUserFocus(MenuContent, EFocusCause::SetDirectly).ReleaseMouseCapture(); } // return unhandled in case our parent wants to use our right mouse button to open a context menu return FReply::Unhandled().ReleaseMouseCapture(); } bPanning = false; return FReply::Handled().ReleaseMouseCapture(); } else if ( bHandleLeftMouseButton ) { if (MouseDragType == DRAG_START_RANGE) { TimeSliderArgs.OnEndPlaybackRangeDrag.ExecuteIfBound(); } // Set the end range time? else if (MouseDragType == DRAG_END_RANGE) { TimeSliderArgs.OnEndPlaybackRangeDrag.ExecuteIfBound(); } else if (MouseDragType == DRAG_SETTING_RANGE) { FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); FVector2D CursorPos = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); float NewValue = RangeToScreen.LocalXToInput(CursorPos.X); if ( TimeSliderArgs.Settings->GetIsSnapEnabled() ) { NewValue = TimeSliderArgs.Settings->SnapTimeToInterval(NewValue); } float DownValue = MouseDownRange[0]; if ( TimeSliderArgs.Settings->GetIsSnapEnabled() ) { DownValue = TimeSliderArgs.Settings->SnapTimeToInterval(DownValue); } // Zoom in if (NewValue > DownValue) { // push the current value onto the stack RangeStack.Add(FVector2D(TimeSliderArgs.ViewRange.Get().GetLowerBoundValue(), TimeSliderArgs.ViewRange.Get().GetUpperBoundValue())); } // Zoom out else if (RangeStack.Num()) { // pop the stack FVector2D LastRange = RangeStack.Pop(); DownValue = LastRange[0]; NewValue = LastRange[1]; } TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(DownValue, NewValue), EViewRangeInterpolation::Immediate); if( !TimeSliderArgs.ViewRange.IsBound() ) { // The output is not bound to a delegate so we'll manage the value ourselves TimeSliderArgs.ViewRange.Set( TRange<float>( DownValue, NewValue ) ); } } else { TimeSliderArgs.OnEndScrubberMovement.ExecuteIfBound(); FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); FVector2D CursorPos = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); float NewValue = RangeToScreen.LocalXToInput(CursorPos.X); if ( TimeSliderArgs.Settings->GetIsSnapEnabled() && TimeSliderArgs.Settings->GetSnapPlayTimeToInterval() ) { NewValue = TimeSliderArgs.Settings->SnapTimeToInterval(NewValue); } CommitScrubPosition( NewValue, /*bIsScrubbing=*/false ); } MouseDragType = DRAG_NONE; return FReply::Handled().ReleaseMouseCapture(); } return FReply::Unhandled(); }
FReply FVisualLoggerTimeSliderController::OnMouseMove( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) { if ( WidgetOwner.HasMouseCapture() ) { if (MouseEvent.IsMouseButtonDown(EKeys::RightMouseButton)) { if (!bPanning) { DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X ); if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistance() ) { FReply::Handled().CaptureMouse(WidgetOwner.AsShared()).UseHighPrecisionMouseMovement(WidgetOwner.AsShared()); SoftwareCursorPosition = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); bPanning = true; } } else { SoftwareCursorPosition = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition()); TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get(); float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue(); float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue(); FScrubRangeToScreen ScaleInfo( LocalViewRange, MyGeometry.Size ); FVector2D ScreenDelta = MouseEvent.GetCursorDelta(); FVector2D InputDelta; InputDelta.X = ScreenDelta.X/ScaleInfo.PixelsPerInput; float NewViewOutputMin = LocalViewRangeMin - InputDelta.X; float NewViewOutputMax = LocalViewRangeMax - InputDelta.X; float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue(); float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue(); // Clamp the range if ( NewViewOutputMin < LocalClampMin ) { NewViewOutputMin = LocalClampMin; } if ( NewViewOutputMax > LocalClampMax ) { NewViewOutputMax = LocalClampMax; } TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax), EViewRangeInterpolation::Immediate); if (Scrollbar.IsValid()) { float InOffsetFraction = (NewViewOutputMin - LocalClampMin) / (LocalClampMax - LocalClampMin); float InThumbSizeFraction = (NewViewOutputMax - NewViewOutputMin) / (LocalClampMax - LocalClampMin); Scrollbar->SetState(InOffsetFraction, InThumbSizeFraction); } if( !TimeSliderArgs.ViewRange.IsBound() ) { // The output is not bound to a delegate so we'll manage the value ourselves TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) ); } } } else if (MouseEvent.IsMouseButtonDown( EKeys::LeftMouseButton )) { if ( !bDraggingScrubber ) { DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X ); if ( DistanceDragged > 0/*FSlateApplication::Get().GetDragTriggerDistance()*/ ) { bDraggingScrubber = true; TimeSliderArgs.OnBeginScrubberMovement.ExecuteIfBound(); } } else { FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size ); FVector2D CursorPos = MyGeometry.AbsoluteToLocal( MouseEvent.GetLastScreenSpacePosition() ); float NewValue = RangeToScreen.LocalXToInput( CursorPos.X ); float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue(); float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue(); if (NewValue < LocalClampMin) { NewValue = LocalClampMin; } if (NewValue > LocalClampMax) { NewValue = LocalClampMax; } CommitScrubPosition(NewValue, /*bIsScrubbing=*/true); } } return FReply::Handled(); } return FReply::Unhandled(); }