FReply FTextEditHelper::OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& InMouseEvent, const TSharedRef< ITextEditorWidget >& TextEditor )
{
FReply Reply = FReply::Unhandled();
// The mouse must have been captured by either left or right button down before we'll process mouse ups
if( TextEditor->GetWidget()->HasMouseCapture() )
{
if( InMouseEvent.GetEffectingButton() == EKeys::LeftMouseButton &&
TextEditor->IsDragSelecting() )
{
// No longer drag-selecting
TextEditor->EndDragSelection();
// If we received keyboard focus on this click, then we'll want to select all of the text
// when the user releases the mouse button, unless the user actually dragged the mouse
// while holding the button down, in which case they've already selected some text and
// we'll leave things alone!
if( TextEditor->WasFocusedByLastMouseDown() )
{
if( !TextEditor->HasDragSelectedSinceFocused() )
{
if( TextEditor->SelectAllTextWhenFocused() )
{
// Move the cursor to the end of the string
TextEditor->JumpTo(ETextLocation::EndOfDocument, ECursorAction::MoveCursor);
// User wasn't dragging the mouse, so go ahead and select all of the text now
// that we've become focused
TextEditor->SelectAllText();
// @todo Slate: In this state, the caret should actually stay hidden (until the user interacts again), and we should not move the caret
}
}
TextEditor->SetWasFocusedByLastMouseDown( false );
}
// Release mouse capture
Reply = FReply::Handled();
Reply.ReleaseMouseCapture();
}
else if( InMouseEvent.GetEffectingButton() == EKeys::RightMouseButton )
{
if ( MyGeometry.IsUnderLocation( InMouseEvent.GetScreenSpacePosition() ) )
{
// Right clicked, so summon a context menu if the cursor is within the widget
TextEditor->SummonContextMenu( InMouseEvent.GetScreenSpacePosition() );
}
// Release mouse capture
Reply = FReply::Handled();
Reply.ReleaseMouseCapture();
}
}
return Reply;
}
FReply SButton::OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
FReply Reply = FReply::Unhandled();
const bool bMustBePressed = ClickMethod == EButtonClickMethod::DownAndUp;
const bool bMeetsPressedRequirements = (!bMustBePressed || (bIsPressed && bMustBePressed));
if (bMeetsPressedRequirements && IsEnabled() && ( MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton || MouseEvent.IsTouchEvent() ) )
{
Release();
if( ClickMethod == EButtonClickMethod::MouseDown )
{
// NOTE: If we're configured to click on mouse-down/precise-tap, then we never capture the mouse thus
// may never receive an OnMouseButtonUp() call. We make sure that our bIsPressed
// state is reset by overriding OnMouseLeave().
}
else
{
bool bEventOverButton = IsHovered();
if (!bEventOverButton && MouseEvent.IsTouchEvent())
{
bEventOverButton = MyGeometry.IsUnderLocation(MouseEvent.GetScreenSpacePosition());
}
if (bEventOverButton)
{
// If we asked for a precise tap, all we need is for the user to have not moved their pointer very far.
const bool bTriggerForTouchEvent = IsPreciseTapOrClick(MouseEvent);
// If we were asked to allow the button to be clicked on mouse up, regardless of whether the user
// pressed the button down first, then we'll allow the click to proceed without an active capture
const bool bTriggerForMouseEvent = ( ClickMethod == EButtonClickMethod::MouseUp || HasMouseCapture() );
if( (bTriggerForTouchEvent || bTriggerForMouseEvent) && OnClicked.IsBound() == true )
{
Reply = OnClicked.Execute();
}
}
}
//If the user of the button didn't handle this click, then the button's
//default behavior handles it.
if ( Reply.IsEventHandled() == false )
{
Reply = FReply::Handled();
}
//If the user hasn't requested a new mouse captor and the button still has mouse capture,
//then the default behavior of the button is to release mouse capture.
if (Reply.GetMouseCaptor().IsValid() == false && HasMouseCapture())
{
Reply.ReleaseMouseCapture();
}
}
Invalidate(EInvalidateWidget::Layout);
return Reply;
}
FReply FWebBrowserViewport::OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
// Release mouse capture when left button released
FReply Reply = WebBrowserWindow->OnMouseButtonUp(MyGeometry, MouseEvent);
if (MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton)
{
return Reply.ReleaseMouseCapture();
}
return Reply;
}
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();
}