101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
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// NoesisGUI - http://www.noesisengine.com
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// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef __GUI_DATAOBJECT_H__
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#define __GUI_DATAOBJECT_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/BaseComponent.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/RoutedEvent.h>
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namespace Noesis
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{
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class UIElement;
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NS_WARNING_PUSH
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NS_MSVC_WARNING_DISABLE(4251 4275)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Provides an abstract base class for events associated with the DataObject class.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct NS_GUI_CORE_API DataObjectEventArgs: public RoutedEventArgs
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{
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mutable bool commandCancelled;
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bool isDragDrop;
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DataObjectEventArgs(BaseComponent* source, const RoutedEvent* event, bool isDragDrop);
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Arguments for the DataObject.Copying event.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct NS_GUI_CORE_API DataObjectCopyingEventArgs final: public DataObjectEventArgs
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{
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Ptr<BaseComponent> dataObject;
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DataObjectCopyingEventArgs(BaseComponent* source, BaseComponent* dataObject, bool isDragDrop);
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Contains arguments for the DataObject.Pasting event.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct NS_GUI_CORE_API DataObjectPastingEventArgs final: public DataObjectEventArgs
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{
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Ptr<BaseComponent> sourceDataObject;
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mutable Ptr<BaseComponent> dataObject;
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DataObjectPastingEventArgs(BaseComponent* source, BaseComponent* dataObject, bool isDragDrop);
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};
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NS_WARNING_POP
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////////////////////////////////////////////////////////////////////////////////////////////////////
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typedef Noesis::Delegate<void (BaseComponent* sender, const DataObjectCopyingEventArgs& e)>
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DataObjectCopyingEventHandler;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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typedef Noesis::Delegate<void (BaseComponent* sender, const DataObjectPastingEventArgs& e)>
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DataObjectPastingEventHandler;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Defines a format-independent mechanism for transferring data.
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///
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/// https://docs.microsoft.com/en-us/dotnet/api/system.windows.dataobject
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct NS_GUI_CORE_API DataObject
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{
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/// Adds a DataObject.Copying event handler to a specified element.
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static void AddCopyingHandler(UIElement* element, const DataObjectCopyingEventHandler& handler);
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/// Adds a DataObject.Pasting event handler to a specified element.
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static void AddPastingHandler(UIElement* element, const DataObjectPastingEventHandler& handler);
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/// Removes a DataObject.Copying event handler from a specified element.
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static void RemoveCopyingHandler(UIElement* element,
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const DataObjectCopyingEventHandler& handler);
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/// Removes a DataObject.Pasting event handler from a specified element.
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static void RemovePastingHandler(UIElement* element,
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const DataObjectPastingEventHandler& handler);
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/// Attached routed events
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//@{
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static const RoutedEvent* CopyingEvent;
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static const RoutedEvent* PastingEvent;
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//@}
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NS_DECLARE_REFLECTION(DataObject, NoParent)
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};
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}
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#endif
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