8ff6fa6f54
This function basically only exists in order to be used in this handler, so extend it to allow doing it by adding wxAnimationCtrlBase argument to it, allowing it to create wxAnimation object compatible with the given control. This reduces code duplication and, incidentally, makes GetAnimation() more useful for any user-defined XRC handlers.
437 lines
15 KiB
C++
437 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/xrc/xmlreshandler.cpp
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// Purpose: XML resource handler
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// Author: Steven Lamerton
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// Created: 2011/01/26
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// Copyright: (c) 2011 Steven Lamerton
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_XRC_XMLRESHANDLER_H_
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#define _WX_XRC_XMLRESHANDLER_H_
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#include "wx/defs.h"
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#if wxUSE_XRC
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#include "wx/string.h"
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#include "wx/artprov.h"
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#include "wx/colour.h"
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#include "wx/filesys.h"
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#include "wx/imaglist.h"
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#include "wx/window.h"
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class WXDLLIMPEXP_FWD_CORE wxAnimation;
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class WXDLLIMPEXP_FWD_CORE wxAnimationCtrlBase;
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class WXDLLIMPEXP_FWD_XML wxXmlNode;
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class WXDLLIMPEXP_FWD_XML wxXmlResource;
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class WXDLLIMPEXP_FWD_CORE wxXmlResourceHandler;
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// Helper macro used by the classes derived from wxXmlResourceHandler but also
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// by wxXmlResourceHandler implementation itself.
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#define XRC_ADD_STYLE(style) AddStyle(wxT(#style), style)
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// Flags for GetNodeText().
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enum
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{
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wxXRC_TEXT_NO_TRANSLATE = 1,
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wxXRC_TEXT_NO_ESCAPE = 2
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};
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// Abstract base class for the implementation object used by
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// wxXmlResourceHandlerImpl. The real implementation is in
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// wxXmlResourceHandlerImpl class in the "xrc" library while this class is in
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// the "core" itself -- but it is so small that it doesn't matter.
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class WXDLLIMPEXP_CORE wxXmlResourceHandlerImplBase : public wxObject
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{
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public:
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// Constructor.
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wxXmlResourceHandlerImplBase(wxXmlResourceHandler *handler)
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: m_handler(handler)
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{}
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// Destructor.
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virtual ~wxXmlResourceHandlerImplBase() {}
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virtual wxObject *CreateResource(wxXmlNode *node, wxObject *parent,
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wxObject *instance) = 0;
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virtual bool IsOfClass(wxXmlNode *node, const wxString& classname) const = 0;
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virtual bool IsObjectNode(const wxXmlNode *node) const = 0;
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virtual wxString GetNodeContent(const wxXmlNode *node) = 0;
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virtual wxXmlNode *GetNodeParent(const wxXmlNode *node) const = 0;
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virtual wxXmlNode *GetNodeNext(const wxXmlNode *node) const = 0;
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virtual wxXmlNode *GetNodeChildren(const wxXmlNode *node) const = 0;
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virtual bool HasParam(const wxString& param) = 0;
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virtual wxXmlNode *GetParamNode(const wxString& param) = 0;
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virtual wxString GetParamValue(const wxString& param) = 0;
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virtual wxString GetParamValue(const wxXmlNode* node) = 0;
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virtual int GetStyle(const wxString& param = wxT("style"), int defaults = 0) = 0;
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virtual wxString GetNodeText(const wxXmlNode *node, int flags = 0) = 0;
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virtual int GetID() = 0;
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virtual wxString GetName() = 0;
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virtual bool GetBool(const wxString& param, bool defaultv = false) = 0;
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virtual long GetLong(const wxString& param, long defaultv = 0) = 0;
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virtual float GetFloat(const wxString& param, float defaultv = 0) = 0;
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virtual wxColour GetColour(const wxString& param,
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const wxColour& defaultv = wxNullColour) = 0;
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virtual wxSize GetSize(const wxString& param = wxT("size"),
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wxWindow *windowToUse = NULL) = 0;
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virtual wxPoint GetPosition(const wxString& param = wxT("pos")) = 0;
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virtual wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
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wxWindow *windowToUse = NULL) = 0;
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virtual wxSize GetPairInts(const wxString& param) = 0;
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virtual wxDirection GetDirection(const wxString& param, wxDirection dir = wxLEFT) = 0;
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virtual wxBitmap GetBitmap(const wxString& param = wxT("bitmap"),
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize) = 0;
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virtual wxBitmap GetBitmap(const wxXmlNode* node,
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize) = 0;
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virtual wxIcon GetIcon(const wxString& param = wxT("icon"),
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize) = 0;
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virtual wxIcon GetIcon(const wxXmlNode* node,
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize) = 0;
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virtual wxIconBundle GetIconBundle(const wxString& param,
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const wxArtClient& defaultArtClient = wxART_OTHER) = 0;
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virtual wxImageList *GetImageList(const wxString& param = wxT("imagelist")) = 0;
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#if wxUSE_ANIMATIONCTRL
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virtual wxAnimation* GetAnimation(const wxString& param = wxT("animation"),
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wxAnimationCtrlBase* ctrl = NULL) = 0;
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#endif
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virtual wxFont GetFont(const wxString& param = wxT("font"), wxWindow* parent = NULL) = 0;
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virtual bool GetBoolAttr(const wxString& attr, bool defaultv) = 0;
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virtual wxString GetFilePath(const wxXmlNode* node) = 0;
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virtual void SetupWindow(wxWindow *wnd) = 0;
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virtual void CreateChildren(wxObject *parent, bool this_hnd_only = false) = 0;
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virtual void CreateChildrenPrivately(wxObject *parent,
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wxXmlNode *rootnode = NULL) = 0;
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virtual wxObject *CreateResFromNode(wxXmlNode *node, wxObject *parent,
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wxObject *instance = NULL) = 0;
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#if wxUSE_FILESYSTEM
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virtual wxFileSystem& GetCurFileSystem() = 0;
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#endif
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virtual void ReportError(wxXmlNode *context, const wxString& message) = 0;
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virtual void ReportError(const wxString& message) = 0;
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virtual void ReportParamError(const wxString& param, const wxString& message) = 0;
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wxXmlResourceHandler* GetHandler() { return m_handler; }
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protected:
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wxXmlResourceHandler *m_handler;
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};
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// Base class for all XRC handlers.
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//
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// Notice that this class is defined in the core library itself and so can be
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// used as the base class by classes in any GUI library. However to actually be
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// usable, it needs to be registered with wxXmlResource which implies linking
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// the application with the xrc library.
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//
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// Also note that all the methods forwarding to GetImpl() are documented only
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// in wxXmlResourceHandlerImpl in wx/xrc/xmlres.h to avoid duplication.
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class WXDLLIMPEXP_CORE wxXmlResourceHandler : public wxObject
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{
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public:
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// Constructor creates an unusable object, before anything can be done with
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// it, SetImpl() needs to be called as done by wxXmlResource::AddHandler().
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wxXmlResourceHandler()
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{
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m_node = NULL;
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m_parent =
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m_instance = NULL;
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m_parentAsWindow = NULL;
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m_resource = NULL;
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m_impl = NULL;
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}
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// This should be called exactly once.
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void SetImpl(wxXmlResourceHandlerImplBase* impl)
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{
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wxASSERT_MSG( !m_impl, wxS("Should be called exactly once") );
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m_impl = impl;
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}
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// Destructor.
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virtual ~wxXmlResourceHandler()
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{
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delete m_impl;
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}
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wxObject *CreateResource(wxXmlNode *node, wxObject *parent,
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wxObject *instance)
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{
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return GetImpl()->CreateResource(node, parent, instance);
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}
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// This one is called from CreateResource after variables
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// were filled.
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virtual wxObject *DoCreateResource() = 0;
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// Returns true if it understands this node and can create
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// a resource from it, false otherwise.
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virtual bool CanHandle(wxXmlNode *node) = 0;
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void SetParentResource(wxXmlResource *res)
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{
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m_resource = res;
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}
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// These methods are not forwarded to wxXmlResourceHandlerImpl because they
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// are called from the derived classes ctors and so before SetImpl() can be
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// called.
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// Add a style flag (e.g. wxMB_DOCKABLE) to the list of flags
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// understood by this handler.
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void AddStyle(const wxString& name, int value);
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// Add styles common to all wxWindow-derived classes.
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void AddWindowStyles();
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protected:
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// Everything else is simply forwarded to wxXmlResourceHandlerImpl.
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void ReportError(wxXmlNode *context, const wxString& message)
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{
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GetImpl()->ReportError(context, message);
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}
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void ReportError(const wxString& message)
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{
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GetImpl()->ReportError(message);
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}
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void ReportParamError(const wxString& param, const wxString& message)
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{
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GetImpl()->ReportParamError(param, message);
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}
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bool IsOfClass(wxXmlNode *node, const wxString& classname) const
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{
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return GetImpl()->IsOfClass(node, classname);
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}
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bool IsObjectNode(const wxXmlNode *node) const
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{
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return GetImpl()->IsObjectNode(node);
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}
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wxString GetNodeContent(const wxXmlNode *node)
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{
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return GetImpl()->GetNodeContent(node);
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}
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wxXmlNode *GetNodeParent(const wxXmlNode *node) const
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{
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return GetImpl()->GetNodeParent(node);
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}
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wxXmlNode *GetNodeNext(const wxXmlNode *node) const
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{
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return GetImpl()->GetNodeNext(node);
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}
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wxXmlNode *GetNodeChildren(const wxXmlNode *node) const
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{
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return GetImpl()->GetNodeChildren(node);
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}
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bool HasParam(const wxString& param)
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{
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return GetImpl()->HasParam(param);
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}
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wxXmlNode *GetParamNode(const wxString& param)
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{
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return GetImpl()->GetParamNode(param);
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}
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wxString GetParamValue(const wxString& param)
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{
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return GetImpl()->GetParamValue(param);
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}
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wxString GetParamValue(const wxXmlNode* node)
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{
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return GetImpl()->GetParamValue(node);
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}
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int GetStyle(const wxString& param = wxT("style"), int defaults = 0)
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{
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return GetImpl()->GetStyle(param, defaults);
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}
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wxString GetNodeText(const wxXmlNode *node, int flags = 0)
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{
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return GetImpl()->GetNodeText(node, flags);
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}
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wxString GetText(const wxString& param, bool translate = true)
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{
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return GetImpl()->GetNodeText(GetImpl()->GetParamNode(param),
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translate ? 0 : wxXRC_TEXT_NO_TRANSLATE);
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}
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int GetID() const
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{
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return GetImpl()->GetID();
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}
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wxString GetName()
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{
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return GetImpl()->GetName();
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}
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bool GetBool(const wxString& param, bool defaultv = false)
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{
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return GetImpl()->GetBool(param, defaultv);
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}
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long GetLong(const wxString& param, long defaultv = 0)
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{
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return GetImpl()->GetLong(param, defaultv);
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}
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float GetFloat(const wxString& param, float defaultv = 0)
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{
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return GetImpl()->GetFloat(param, defaultv);
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}
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wxColour GetColour(const wxString& param,
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const wxColour& defaultv = wxNullColour)
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{
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return GetImpl()->GetColour(param, defaultv);
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}
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wxSize GetSize(const wxString& param = wxT("size"),
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wxWindow *windowToUse = NULL)
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{
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return GetImpl()->GetSize(param, windowToUse);
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}
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wxPoint GetPosition(const wxString& param = wxT("pos"))
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{
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return GetImpl()->GetPosition(param);
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}
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wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
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wxWindow *windowToUse = NULL)
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{
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return GetImpl()->GetDimension(param, defaultv, windowToUse);
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}
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wxSize GetPairInts(const wxString& param)
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{
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return GetImpl()->GetPairInts(param);
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}
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wxDirection GetDirection(const wxString& param, wxDirection dir = wxLEFT)
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{
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return GetImpl()->GetDirection(param, dir);
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}
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wxBitmap GetBitmap(const wxString& param = wxT("bitmap"),
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize)
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{
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return GetImpl()->GetBitmap(param, defaultArtClient, size);
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}
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wxBitmap GetBitmap(const wxXmlNode* node,
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize)
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{
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return GetImpl()->GetBitmap(node, defaultArtClient, size);
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}
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wxIcon GetIcon(const wxString& param = wxT("icon"),
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize)
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{
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return GetImpl()->GetIcon(param, defaultArtClient, size);
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}
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wxIcon GetIcon(const wxXmlNode* node,
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const wxArtClient& defaultArtClient = wxART_OTHER,
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wxSize size = wxDefaultSize)
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{
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return GetImpl()->GetIcon(node, defaultArtClient, size);
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}
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wxIconBundle GetIconBundle(const wxString& param,
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const wxArtClient& defaultArtClient = wxART_OTHER)
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{
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return GetImpl()->GetIconBundle(param, defaultArtClient);
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}
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wxImageList *GetImageList(const wxString& param = wxT("imagelist"))
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{
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return GetImpl()->GetImageList(param);
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}
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#if wxUSE_ANIMATIONCTRL
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wxAnimation* GetAnimation(const wxString& param = wxT("animation"),
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wxAnimationCtrlBase* ctrl = NULL)
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{
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return GetImpl()->GetAnimation(param, ctrl);
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}
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#endif
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wxFont GetFont(const wxString& param = wxT("font"),
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wxWindow* parent = NULL)
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{
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return GetImpl()->GetFont(param, parent);
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}
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bool GetBoolAttr(const wxString& attr, bool defaultv)
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{
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return GetImpl()->GetBoolAttr(attr, defaultv);
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}
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wxString GetFilePath(const wxXmlNode* node)
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{
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return GetImpl()->GetFilePath(node);
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}
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void SetupWindow(wxWindow *wnd)
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{
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GetImpl()->SetupWindow(wnd);
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}
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void CreateChildren(wxObject *parent, bool this_hnd_only = false)
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{
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GetImpl()->CreateChildren(parent, this_hnd_only);
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}
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void CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode = NULL)
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{
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GetImpl()->CreateChildrenPrivately(parent, rootnode);
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}
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wxObject *CreateResFromNode(wxXmlNode *node,
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wxObject *parent, wxObject *instance = NULL)
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{
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return GetImpl()->CreateResFromNode(node, parent, instance);
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}
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#if wxUSE_FILESYSTEM
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wxFileSystem& GetCurFileSystem()
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{
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return GetImpl()->GetCurFileSystem();
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}
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#endif
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// Variables (filled by CreateResource)
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wxXmlNode *m_node;
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wxString m_class;
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wxObject *m_parent, *m_instance;
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wxWindow *m_parentAsWindow;
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wxXmlResource *m_resource;
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// provide method access to those member variables
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wxXmlResource* GetResource() const { return m_resource; }
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wxXmlNode* GetNode() const { return m_node; }
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wxString GetClass() const { return m_class; }
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wxObject* GetParent() const { return m_parent; }
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wxObject* GetInstance() const { return m_instance; }
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wxWindow* GetParentAsWindow() const { return m_parentAsWindow; }
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wxArrayString m_styleNames;
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wxArrayInt m_styleValues;
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friend class wxXmlResourceHandlerImpl;
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private:
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// This is supposed to never return NULL because SetImpl() should have been
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// called.
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wxXmlResourceHandlerImplBase* GetImpl() const;
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wxXmlResourceHandlerImplBase *m_impl;
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wxDECLARE_ABSTRACT_CLASS(wxXmlResourceHandler);
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};
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#endif // wxUSE_XRC
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#endif // _WX_XRC_XMLRESHANDLER_H_
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