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///////////////////////////////////////////////////////////////////////////////
// Name: wx/xrc/xh_bookctrlbase.h
// Purpose: Base class for wxBookCtrl-derived classes XRC handlers
// Author: Vadim Zeitlin
// Created: 2022-02-23
// Copyright: (c) 2022 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_XRC_XH_BOOKCTRLBASE_H_
#define _WX_XRC_XH_BOOKCTRLBASE_H_
#include "wx/xrc/xmlres.h"
#if wxUSE_XRC && wxUSE_BOOKCTRL
class WXDLLIMPEXP_FWD_CORE wxBookCtrlBase;
// ----------------------------------------------------------------------------
// wxBookCtrlXmlHandlerBase: base class of handlers for wxBookCtrl subclasses
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_XRC wxBookCtrlXmlHandlerBase : public wxXmlResourceHandler
{
protected:
wxBookCtrlXmlHandlerBase();
virtual ~wxBookCtrlXmlHandlerBase();
// Create all pages under the current node and add them to the book control.
//
// This should be called instead of calling CreateChildren() directly by
// the derived class to deal with the contents of the book control node.
void DoCreatePages(wxBookCtrlBase* book);
// Create a new page using the contents of the current node.
//
// This should be called to handle the book control page node.
wxObject* DoCreatePage(wxBookCtrlBase* book);
// Return true if we're parsing the book control node itself.
bool IsInside() const { return m_isInside; }
// This struct contains the actual page, created by DoCreatePage(), and all
// its attributes read from wxXmlNode.
struct PageWithAttrs
{
PageWithAttrs();
// Returns bmpId if it's valid or imgId (which can still be invalid)
// otherwise.
int GetImageId() const;
wxWindow* wnd;
wxString label;
bool selected;
int imgId; // index in the image list
int bmpId; // index in m_bookImages vector
};
private:
// This function is implemented by just calling AddPage() in the base
// class, but can be overridden if something else is needed, as is e.g. the
// case for wxTreebookXmlHandler.
virtual void
DoAddPage(wxBookCtrlBase* book, size_t n, const PageWithAttrs& page);
// And this vector contains all the pages created so far.
wxVector<PageWithAttrs> m_bookPages;
// All bitmaps defined for the pages, may be empty.
wxVector<wxBitmapBundle> m_bookImages;
// True if we're used for parsing the contents of the book control node.
bool m_isInside;
wxDECLARE_NO_COPY_CLASS(wxBookCtrlXmlHandlerBase);
};
#endif // wxUSE_XRC && wxUSE_BOOKCTRL
#endif // _WX_XRC_XH_BOOKCTRLBASE_H_
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