It can be necessary to compare two item attributes for equality, e.g. to check if the attributes have changed, so provide a straightforward implementation of equality and inequality operator for it.
		
			
				
	
	
		
			105 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        wx/itemattr.h
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// Purpose:     wxItemAttr documentation
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// Author:      Vadim Zeitlin
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// Copyright:   (c) 2016 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/**
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    @class wxItemAttr
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    Represents the attributes (colour, font, ...) of an item of a control with
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    multiple items such as e.g. wxListCtrl.
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    @library{wxcore}
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    @category{data}
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    @see @ref overview_listctrl
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    @since 3.1.1 (previous versions had a similar wxListItemAttr class)
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*/
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class wxItemAttr
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{
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public:
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    /**
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        Default Constructor.
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    */
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    wxItemAttr();
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    /**
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        Construct a wxItemAttr with the specified foreground and
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        background colours and font.
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    */
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    wxItemAttr(const wxColour& colText,
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               const wxColour& colBack,
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               const wxFont& font);
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    /**
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        Compare two item attributes for equality.
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    */
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    bool operator==(const wxItemAttr& other) const;
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    /**
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        Compare two item attributes for inequality.
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    */
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    bool operator!=(const wxItemAttr& other) const;
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    /**
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        Returns the currently set background colour.
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    */
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    const wxColour& GetBackgroundColour() const;
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    /**
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        Returns the currently set font.
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    */
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    const wxFont& GetFont() const;
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    /**
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        Returns the currently set text colour.
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    */
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    const wxColour& GetTextColour() const;
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    /**
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        Returns @true if the currently set background colour is valid.
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    */
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    bool HasBackgroundColour() const;
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    /**
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        Returns @true if either text or background colour is set.
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        @see HasBackgroundColour(), HasTextColour()
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    */
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    bool HasColours() const;
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    /**
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        Returns @true if the currently set font is valid.
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    */
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    bool HasFont() const;
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    /**
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        Returns @true if the currently set text colour is valid.
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    */
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    bool HasTextColour() const;
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    /**
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        Returns @true if this object has no custom attributes set.
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     */
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    bool IsDefault() const;
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    /**
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        Sets a new background colour.
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    */
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    void SetBackgroundColour(const wxColour& colour);
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    /**
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        Sets a new font.
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    */
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    void SetFont(const wxFont& font);
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    /**
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        Sets a new text colour.
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    */
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    void SetTextColour(const wxColour& colour);
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};
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