83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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////////////////////////////////////////////////////////////////////////////////////////////////////
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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_ADORNER_H__
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#define __GUI_ADORNER_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsCore/Ptr.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/FrameworkElement.h>
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namespace Noesis
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{
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class Adorner;
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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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/// Abstract class that represents a FrameworkElement that decorates another element.
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///
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/// https://docs.microsoft.com/en-us/dotnet/api/system.windows.documents.adorner
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API Adorner: public FrameworkElement
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{
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public:
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Adorner(UIElement* adornedElement);
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~Adorner();
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/// Gets the element that this adorner is bound to
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UIElement* GetAdornedElement() const;
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/// Gets or sets a value that indicates whether clipping of the adorner is enabled
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//@{
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bool GetIsClipEnabled() const;
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void SetIsClipEnabled(bool value);
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//@}
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/// Returns a transform for the adorner, based on the transform that is currently applied to the
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/// adorned element. This method is called by AdornerLayer to allow the adorner to filter out
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/// the transforms it doesn't want and return a new transform with just the transforms it wants
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/// applied. An adorner can also add an additional translation transform at this time, allowing
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/// it to be positioned somewhere other than the upper left corner of its adorned element
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virtual Matrix4 GetDesiredTransform(const Matrix4& transform) const;
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protected:
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// For internal use only
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//@{
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Adorner();
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void SetAdornedElement(UIElement* adornedElement);
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//@}
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/// From UIElement
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//@{
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Size MeasureOverride(const Size& availableSize) override;
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Ptr<Geometry> GetLayoutClip(const Size& layoutSlotSize) const override;
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//@}
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private:
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friend class AdornerLayer;
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UIElement* mAdornedElement;
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bool mIsClipEnabled;
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Size mElementSize;
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Matrix4 mDesiredTransform;
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NS_DECLARE_REFLECTION(Adorner, FrameworkElement);
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};
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NS_WARNING_POP
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}
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#endif
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