133 lines
3.2 KiB
C++
133 lines
3.2 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_BORDER_H__
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#define __GUI_BORDER_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/Decorator.h>
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namespace Noesis
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{
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class Brush;
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class Pen;
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class StreamGeometryContext;
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struct Thickness;
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struct CornerRadius;
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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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/// Draws a border, background, or both around another element.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.controls.border.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API Border: public Decorator
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{
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public:
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Border(bool logicalChild = true);
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~Border();
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/// Gets or sets border background
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//@{
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Brush* GetBackground() const;
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void SetBackground(Brush* brush);
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//@}
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/// Gets or sets border brush
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//@{
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Brush* GetBorderBrush() const;
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void SetBorderBrush(Brush* brush);
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//@}
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/// Gets or sets border thickness
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//@{
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const Thickness& GetBorderThickness() const;
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void SetBorderThickness(const Thickness& thickness);
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//@}
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/// Gets or sets corner radius
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//@{
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const CornerRadius& GetCornerRadius() const;
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void SetCornerRadius(const CornerRadius& corners);
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//@}
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/// Gets or sets the amount of space between a border and its child element
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//@{
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const Thickness& GetPadding() const;
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void SetPadding(const Thickness& padding);
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//@}
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public:
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/// Dependency properties
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//@{
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static const DependencyProperty* BackgroundProperty;
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static const DependencyProperty* BorderBrushProperty;
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static const DependencyProperty* BorderThicknessProperty;
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static const DependencyProperty* CornerRadiusProperty;
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static const DependencyProperty* PaddingProperty;
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//@}
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protected:
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/// From DependencyObject
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//@{
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bool OnPropertyChanged(const DependencyPropertyChangedEventArgs& args) override;
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//@}
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/// From UIElement
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//@{
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void OnRender(DrawingContext* context) override;
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//@}
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/// From FrameworkElement
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//@{
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Size MeasureOverride(const Size& availableSize) override;
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Size ArrangeOverride(const Size& finalSize) override;
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//@}
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private:
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void CreatePen();
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void UpdateGeometries();
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void GenerateSimpleGeometry(const Thickness& borders,
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const CornerRadius& corners);
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void GenerateComplexGeometry(const Thickness& borders,
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const CornerRadius& corners);
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private:
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Ptr<Pen> mPen;
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Ptr<Geometry> mBorderGeometry;
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Ptr<Geometry> mBackgroundGeometry;
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Size mPreviousRenderSize;
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union
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{
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struct
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{
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bool isComplexGeometry: 1;
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bool isValidGeometry: 1;
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bool hasBorder: 1;
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} mFlags;
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// To quickly set all flags to 0
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uint8_t mAllFlags;
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};
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NS_DECLARE_REFLECTION(Border, Decorator)
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};
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NS_WARNING_POP
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}
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#endif
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