xmake.repo/packages/n/noesis/latest/Include/NsGui/TransformGroup.h
2024-12-22 19:15:02 +08:00

93 lines
2.6 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////////////////
// NoesisGUI - http://www.noesisengine.com
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __GUI_TRANSFORMGROUP_H__
#define __GUI_TRANSFORMGROUP_H__
#include <NsCore/Noesis.h>
#include <NsGui/Transform.h>
namespace Noesis
{
struct NotifyCollectionChangedEventArgs;
template <class T> class FreezableCollection;
typedef Noesis::FreezableCollection<Noesis::Transform> TransformCollection;
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a composite Transform composed of other Transform objects.
///
/// http://msdn.microsoft.com/en-us/library/system.windows.media.transformgroup.aspx
////////////////////////////////////////////////////////////////////////////////////////////////////
class NS_GUI_CORE_API TransformGroup final: public Transform
{
public:
TransformGroup();
~TransformGroup();
NS_DECLARE_POOL_ALLOCATOR
/// Gets the number of transforms that compose this group
uint32_t GetNumChildren() const;
/// Gets the specified transform child
Transform* GetChild(uint32_t index) const;
/// Gets or sets the TransformCollection that defines this TransformGroup
//@{
TransformCollection* GetChildren() const;
void SetChildren(TransformCollection* children);
//@}
// Hides Freezable methods for convenience
//@{
Ptr<TransformGroup> Clone() const;
Ptr<TransformGroup> CloneCurrentValue() const;
//@}
public:
/// Dependency properties
//@{
static const DependencyProperty* ChildrenProperty;
//@}
protected:
/// From DependencyObject
//@{
void OnInit() override;
bool OnPropertyChanged(const DependencyPropertyChangedEventArgs& e) override;
//@}
/// From Freezable
//@{
bool FreezeCore(bool isChecking) override;
Ptr<Freezable> CreateInstanceCore() const override;
//@}
private:
void OnChildrenChanged(BaseComponent* sender, const NotifyCollectionChangedEventArgs& args);
void RegisterChildren(TransformCollection* children);
void RegisterChild(Transform* child);
void UnregisterChildren(TransformCollection* children);
void UnregisterChild(Transform* child);
void OnChildChanged(Freezable* obj, FreezableEventReason reason);
void DisconnectChildren();
void UpdateTransform(TransformCollection* children);
NS_DECLARE_REFLECTION(TransformGroup, Transform)
};
}
#endif