mirror of https://github.com/PCSX2/pcsx2.git
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/withimages.h
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// Purpose: Declaration of a simple wxWithImages class.
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// Author: Vadim Zeitlin
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// Created: 2011-08-17
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WITHIMAGES_H_
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#define _WX_WITHIMAGES_H_
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#include "wx/defs.h"
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#include "wx/icon.h"
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#include "wx/imaglist.h"
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// ----------------------------------------------------------------------------
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// wxWithImages: mix-in class providing access to wxImageList.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxWithImages
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{
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public:
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enum
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{
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NO_IMAGE = -1
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};
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wxWithImages()
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{
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m_imageList = NULL;
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m_ownsImageList = false;
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}
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virtual ~wxWithImages()
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{
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FreeIfNeeded();
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}
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// Sets the image list to use, it is *not* deleted by the control.
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virtual void SetImageList(wxImageList* imageList)
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{
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FreeIfNeeded();
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m_imageList = imageList;
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}
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// As SetImageList() but we will delete the image list ourselves.
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void AssignImageList(wxImageList* imageList)
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{
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SetImageList(imageList);
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m_ownsImageList = true;
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}
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// Get pointer (may be NULL) to the associated image list.
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wxImageList* GetImageList() const { return m_imageList; }
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protected:
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// Return true if we have a valid image list.
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bool HasImageList() const { return m_imageList != NULL; }
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// Return the image with the given index from the image list.
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//
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// If there is no image list or if index == NO_IMAGE, silently returns
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// wxNullIcon.
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wxIcon GetImage(int iconIndex) const
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{
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return m_imageList && iconIndex != NO_IMAGE
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? m_imageList->GetIcon(iconIndex)
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: wxNullIcon;
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}
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private:
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// Free the image list if necessary, i.e. if we own it.
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void FreeIfNeeded()
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{
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if ( m_ownsImageList )
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{
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delete m_imageList;
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m_imageList = NULL;
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// We don't own it any more.
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m_ownsImageList = false;
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}
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}
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// The associated image list or NULL.
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wxImageList* m_imageList;
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// False by default, if true then we delete m_imageList.
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bool m_ownsImageList;
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wxDECLARE_NO_COPY_CLASS(wxWithImages);
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};
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#endif // _WX_WITHIMAGES_H_
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