src/common/artprov.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/common/artprov.cpp
// Purpose:     wxArtProvider class
// Author:      Vaclav Slavik
// Modified by:
// Created:     18/03/2002
// RCS-ID:      $Id$
// Copyright:   (c) Vaclav Slavik
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if defined(__BORLANDC__)
    #pragma hdrstop
#endif

#include "wx/artprov.h"

#ifndef WX_PRECOMP
    #include "wx/list.h"
    #include "wx/log.h"
    #include "wx/hashmap.h"
    #include "wx/image.h"
    #include "wx/module.h"
#endif

// ===========================================================================
// implementation
// ===========================================================================

#include "wx/listimpl.cpp"
WX_DECLARE_LIST(wxArtProvider, wxArtProvidersList);
WX_DEFINE_LIST(wxArtProvidersList)

// ----------------------------------------------------------------------------
// Cache class - stores already requested bitmaps
// ----------------------------------------------------------------------------

WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxBitmap, wxArtProviderBitmapsHash);
WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxIconBundle, wxArtProviderIconBundlesHash);

class WXDLLEXPORT wxArtProviderCache
{
public:
    bool GetBitmap(const wxString& full_id, wxBitmap* bmp);
    void PutBitmap(const wxString& full_id, const wxBitmap& bmp)
        { m_bitmapsHash[full_id] = bmp; }

    bool GetIconBundle(const wxString& full_id, wxIconBundle* bmp);
    void PutIconBundle(const wxString& full_id, const wxIconBundle& iconbundle)
        { m_iconBundlesHash[full_id] = iconbundle; }

    void Clear();

    static wxString ConstructHashID(const wxArtID& id,
                                    const wxArtClient& client,
                                    const wxSize& size);

    static wxString ConstructHashID(const wxArtID& id,
                                    const wxArtClient& client);

private:
    wxArtProviderBitmapsHash m_bitmapsHash;         // cache of wxBitmaps
    wxArtProviderIconBundlesHash m_iconBundlesHash; // cache of wxIconBundles
};

bool wxArtProviderCache::GetBitmap(const wxString& full_id, wxBitmap* bmp)
{
    wxArtProviderBitmapsHash::iterator entry = m_bitmapsHash.find(full_id);
    if ( entry == m_bitmapsHash.end() )
    {
        return false;
    }
    else
    {
        *bmp = entry->second;
        return true;
    }
}

bool wxArtProviderCache::GetIconBundle(const wxString& full_id, wxIconBundle* bmp)
{
    wxArtProviderIconBundlesHash::iterator entry = m_iconBundlesHash.find(full_id);
    if ( entry == m_iconBundlesHash.end() )
    {
        return false;
    }
    else
    {
        *bmp = entry->second;
        return true;
    }
}

void wxArtProviderCache::Clear()
{
    m_bitmapsHash.clear();
    m_iconBundlesHash.clear();
}

/* static */ wxString
wxArtProviderCache::ConstructHashID(const wxArtID& id,
                                    const wxArtClient& client)
{
    return id + _T('-') + client;
}


/* static */ wxString
wxArtProviderCache::ConstructHashID(const wxArtID& id,
                                    const wxArtClient& client,
                                    const wxSize& size)
{
    return ConstructHashID(id, client) + _T('-') +
            wxString::Format(_T("%d-%d"), size.x, size.y);
}

// ============================================================================
// wxArtProvider class
// ============================================================================

IMPLEMENT_ABSTRACT_CLASS(wxArtProvider, wxObject)

wxArtProvidersList *wxArtProvider::sm_providers = NULL;
wxArtProviderCache *wxArtProvider::sm_cache = NULL;

// ----------------------------------------------------------------------------
// wxArtProvider ctors/dtor
// ----------------------------------------------------------------------------

wxArtProvider::~wxArtProvider()
{
    Remove(this);
}

// ----------------------------------------------------------------------------
// wxArtProvider operations on provider stack
// ----------------------------------------------------------------------------

/*static*/ void wxArtProvider::CommonAddingProvider()
{
    if ( !sm_providers )
    {
        sm_providers = new wxArtProvidersList;
        sm_cache = new wxArtProviderCache;
    }

    sm_cache->Clear();
}

/*static*/ void wxArtProvider::Push(wxArtProvider *provider)
{
    CommonAddingProvider();
    sm_providers->Insert(provider);
}

/*static*/ void wxArtProvider::PushBack(wxArtProvider *provider)
{
    CommonAddingProvider();
    sm_providers->Append(provider);
}

/*static*/ bool wxArtProvider::Pop()
{
    wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );
    wxCHECK_MSG( !sm_providers->empty(), false, _T("wxArtProviders stack is empty") );

    delete sm_providers->GetFirst()->GetData();
    sm_cache->Clear();
    return true;
}

/*static*/ bool wxArtProvider::Remove(wxArtProvider *provider)
{
    wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );

    if ( sm_providers->DeleteObject(provider) )
    {
        sm_cache->Clear();
        return true;
    }

    return false;
}

/*static*/ bool wxArtProvider::Delete(wxArtProvider *provider)
{
    // provider will remove itself from the stack in its dtor
    delete provider;

    return true;
}

/*static*/ void wxArtProvider::CleanUpProviders()
{
    if ( sm_providers )
    {
        while ( !sm_providers->empty() )
            delete *sm_providers->begin();

        delete sm_providers;
        sm_providers = NULL;

        delete sm_cache;
        sm_cache = NULL;
    }
}

// ----------------------------------------------------------------------------
// wxArtProvider: retrieving bitmaps/icons
// ----------------------------------------------------------------------------

/*static*/ wxBitmap wxArtProvider::GetBitmap(const wxArtID& id,
                                             const wxArtClient& client,
                                             const wxSize& size)
{
    // safety-check against writing client,id,size instead of id,client,size:
    wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );

    wxCHECK_MSG( sm_providers, wxNullBitmap, _T("no wxArtProvider exists") );

    wxString hashId = wxArtProviderCache::ConstructHashID(id, client, size);

    wxBitmap bmp;
    if ( !sm_cache->GetBitmap(hashId, &bmp) )
    {
        for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
             node; node = node->GetNext())
        {
            bmp = node->GetData()->CreateBitmap(id, client, size);
            if ( bmp.Ok() )
                break;
        }

        if ( !bmp.Ok() )
        {
            // no bitmap created -- as a fallback, try if we can find desired
            // icon in a bundle
            wxIconBundle iconBundle = DoGetIconBundle(id, client);
            if ( iconBundle.IsOk() )
            {
                wxSize sz(size != wxDefaultSize
                            ? size
                            : GetNativeSizeHint(client));
                wxIcon icon(iconBundle.GetIcon(sz));
                if ( icon.IsOk() )
                    bmp.CopyFromIcon(icon);
            }
        }

        if ( bmp.IsOk() )
        {
            // if we didn't get the correct size, resize the bitmap
#if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
            if ( size != wxDefaultSize &&
                 (bmp.GetWidth() != size.x || bmp.GetHeight() != size.y) )
            {
                wxImage img = bmp.ConvertToImage();
                img.Rescale(size.x, size.y);
                bmp = wxBitmap(img);
            }
#endif
        }

        sm_cache->PutBitmap(hashId, bmp);
    }

    return bmp;
}

/*static*/
wxIconBundle wxArtProvider::GetIconBundle(const wxArtID& id, const wxArtClient& client)
{
    wxIconBundle iconbundle(DoGetIconBundle(id, client));

    if ( iconbundle.IsOk() )
    {
        return iconbundle;
    }
    else
    {
        // fall back to single-icon bundle
        return wxIconBundle(GetIcon(id, client));
    }
}

/*static*/
wxIconBundle wxArtProvider::DoGetIconBundle(const wxArtID& id, const wxArtClient& client)
{
    // safety-check against writing client,id,size instead of id,client,size:
    wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );

    wxCHECK_MSG( sm_providers, wxNullIconBundle, _T("no wxArtProvider exists") );

    wxString hashId = wxArtProviderCache::ConstructHashID(id, client);

    wxIconBundle iconbundle;
    if ( !sm_cache->GetIconBundle(hashId, &iconbundle) )
    {
        for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
             node; node = node->GetNext())
        {
            iconbundle = node->GetData()->CreateIconBundle(id, client);
            if ( iconbundle.IsOk() )
                break;
        }

        sm_cache->PutIconBundle(hashId, iconbundle);
    }

    return iconbundle;
}

/*static*/ wxIcon wxArtProvider::GetIcon(const wxArtID& id,
                                         const wxArtClient& client,
                                         const wxSize& size)
{
    wxBitmap bmp = GetBitmap(id, client, size);

    if ( !bmp.IsOk() )
        return wxNullIcon;

    wxIcon icon;
    icon.CopyFromBitmap(bmp);
    return icon;
}

/* static */
wxIcon wxArtProvider::GetMessageBoxIcon(int flags)
{
    wxIcon icon;
    switch ( flags & wxICON_MASK )
    {
        default:
            wxFAIL_MSG(_T("incorrect message box icon flags"));
            // fall through

        case wxICON_ERROR:
            icon = wxArtProvider::GetIcon(wxART_ERROR, wxART_MESSAGE_BOX);
            break;

        case wxICON_INFORMATION:
            icon = wxArtProvider::GetIcon(wxART_INFORMATION, wxART_MESSAGE_BOX);
            break;

        case wxICON_WARNING:
            icon = wxArtProvider::GetIcon(wxART_WARNING, wxART_MESSAGE_BOX);
            break;

        case wxICON_QUESTION:
            icon = wxArtProvider::GetIcon(wxART_QUESTION, wxART_MESSAGE_BOX);
            break;
    }

    return icon;
}

/*static*/ wxSize wxArtProvider::GetSizeHint(const wxArtClient& client,
                                         bool platform_dependent)
{
    if (!platform_dependent)
    {
        wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
        if (node)
            return node->GetData()->DoGetSizeHint(client);
    }

    return GetNativeSizeHint(client);
}

#ifndef wxHAS_NATIVE_ART_PROVIDER_IMPL
/*static*/
wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& WXUNUSED(client))
{
    // rather than returning some arbitrary value that doesn't make much
    // sense (as 2.8 used to do), tell the caller that we don't have a clue:
    return wxDefaultSize;
}

/*static*/
void wxArtProvider::InitNativeProvider()
{
}
#endif // !wxHAS_NATIVE_ART_PROVIDER_IMPL


/* static */
bool wxArtProvider::HasNativeProvider()
{
#ifdef __WXGTK20__
    return true;
#else
    return false;
#endif
}

// ----------------------------------------------------------------------------
// deprecated wxArtProvider methods
// ----------------------------------------------------------------------------

#if WXWIN_COMPATIBILITY_2_6

/* static */ void wxArtProvider::PushProvider(wxArtProvider *provider)
{
    Push(provider);
}

/* static */ void wxArtProvider::InsertProvider(wxArtProvider *provider)
{
    Insert(provider);
}

/* static */ bool wxArtProvider::PopProvider()
{
    return Pop();
}

/* static */ bool wxArtProvider::RemoveProvider(wxArtProvider *provider)
{
    // RemoveProvider() used to delete the provider being removed so this is
    // not a typo, we must call Delete() and not Remove() here
    return Delete(provider);
}

#endif // WXWIN_COMPATIBILITY_2_6

#if WXWIN_COMPATIBILITY_2_8
/* static */ void wxArtProvider::Insert(wxArtProvider *provider)
{
    PushBack(provider);
}
#endif // WXWIN_COMPATIBILITY_2_8

// ============================================================================
// wxArtProviderModule
// ============================================================================

class wxArtProviderModule: public wxModule
{
public:
    bool OnInit()
    {
        wxArtProvider::InitStdProvider();
        wxArtProvider::InitNativeProvider();
        return true;
    }
    void OnExit()
    {
        wxArtProvider::CleanUpProviders();
    }

    DECLARE_DYNAMIC_CLASS(wxArtProviderModule)
};

IMPLEMENT_DYNAMIC_CLASS(wxArtProviderModule, wxModule)
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/common/artprov.cpp
	3	// Purpose: wxArtProvider class
	4	// Author: Vaclav Slavik
	5	// Modified by:
	6	// Created: 18/03/2002
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Vaclav Slavik
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ---------------------------------------------------------------------------
	13	// headers
	14	// ---------------------------------------------------------------------------
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#if defined(__BORLANDC__)
	20	#pragma hdrstop
	21	#endif
	22
	23	#include "wx/artprov.h"
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/list.h"
	27	#include "wx/log.h"
	28	#include "wx/hashmap.h"
	29	#include "wx/image.h"
	30	#include "wx/module.h"
	31	#endif
	32
	33	// ===========================================================================
	34	// implementation
	35	// ===========================================================================
	36
	37	#include "wx/listimpl.cpp"
	38	WX_DECLARE_LIST(wxArtProvider, wxArtProvidersList);
	39	WX_DEFINE_LIST(wxArtProvidersList)
	40
	41	// ----------------------------------------------------------------------------
	42	// Cache class - stores already requested bitmaps
	43	// ----------------------------------------------------------------------------
	44
	45	WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxBitmap, wxArtProviderBitmapsHash);
	46	WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxIconBundle, wxArtProviderIconBundlesHash);
	47
	48	class WXDLLEXPORT wxArtProviderCache
	49	{
	50	public:
	51	bool GetBitmap(const wxString& full_id, wxBitmap* bmp);
	52	void PutBitmap(const wxString& full_id, const wxBitmap& bmp)
	53	{ m_bitmapsHash[full_id] = bmp; }
	54
	55	bool GetIconBundle(const wxString& full_id, wxIconBundle* bmp);
	56	void PutIconBundle(const wxString& full_id, const wxIconBundle& iconbundle)
	57	{ m_iconBundlesHash[full_id] = iconbundle; }
	58
	59	void Clear();
	60
	61	static wxString ConstructHashID(const wxArtID& id,
	62	const wxArtClient& client,
	63	const wxSize& size);
	64
	65	static wxString ConstructHashID(const wxArtID& id,
	66	const wxArtClient& client);
	67
	68	private:
	69	wxArtProviderBitmapsHash m_bitmapsHash; // cache of wxBitmaps
	70	wxArtProviderIconBundlesHash m_iconBundlesHash; // cache of wxIconBundles
	71	};
	72
	73	bool wxArtProviderCache::GetBitmap(const wxString& full_id, wxBitmap* bmp)
	74	{
	75	wxArtProviderBitmapsHash::iterator entry = m_bitmapsHash.find(full_id);
	76	if ( entry == m_bitmapsHash.end() )
	77	{
	78	return false;
	79	}
	80	else
	81	{
	82	*bmp = entry->second;
	83	return true;
	84	}
	85	}
	86
	87	bool wxArtProviderCache::GetIconBundle(const wxString& full_id, wxIconBundle* bmp)
	88	{
	89	wxArtProviderIconBundlesHash::iterator entry = m_iconBundlesHash.find(full_id);
	90	if ( entry == m_iconBundlesHash.end() )
	91	{
	92	return false;
	93	}
	94	else
	95	{
	96	*bmp = entry->second;
	97	return true;
	98	}
	99	}
	100
	101	void wxArtProviderCache::Clear()
	102	{
	103	m_bitmapsHash.clear();
	104	m_iconBundlesHash.clear();
	105	}
	106
	107	/* static */ wxString
	108	wxArtProviderCache::ConstructHashID(const wxArtID& id,
	109	const wxArtClient& client)
	110	{
	111	return id + _T('-') + client;
	112	}
	113
	114
	115	/* static */ wxString
	116	wxArtProviderCache::ConstructHashID(const wxArtID& id,
	117	const wxArtClient& client,
	118	const wxSize& size)
	119	{
	120	return ConstructHashID(id, client) + _T('-') +
	121	wxString::Format(_T("%d-%d"), size.x, size.y);
	122	}
	123
	124	// ============================================================================
	125	// wxArtProvider class
	126	// ============================================================================
	127
	128	IMPLEMENT_ABSTRACT_CLASS(wxArtProvider, wxObject)
	129
	130	wxArtProvidersList *wxArtProvider::sm_providers = NULL;
	131	wxArtProviderCache *wxArtProvider::sm_cache = NULL;
	132
	133	// ----------------------------------------------------------------------------
	134	// wxArtProvider ctors/dtor
	135	// ----------------------------------------------------------------------------
	136
	137	wxArtProvider::~wxArtProvider()
	138	{
	139	Remove(this);
	140	}
	141
	142	// ----------------------------------------------------------------------------
	143	// wxArtProvider operations on provider stack
	144	// ----------------------------------------------------------------------------
	145
	146	/static/ void wxArtProvider::CommonAddingProvider()
	147	{
	148	if ( !sm_providers )
	149	{
	150	sm_providers = new wxArtProvidersList;
	151	sm_cache = new wxArtProviderCache;
	152	}
	153
	154	sm_cache->Clear();
	155	}
	156
	157	/static/ void wxArtProvider::Push(wxArtProvider *provider)
	158	{
	159	CommonAddingProvider();
	160	sm_providers->Insert(provider);
	161	}
	162
	163	/static/ void wxArtProvider::PushBack(wxArtProvider *provider)
	164	{
	165	CommonAddingProvider();
	166	sm_providers->Append(provider);
	167	}
	168
	169	/static/ bool wxArtProvider::Pop()
	170	{
	171	wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );
	172	wxCHECK_MSG( !sm_providers->empty(), false, _T("wxArtProviders stack is empty") );
	173
	174	delete sm_providers->GetFirst()->GetData();
	175	sm_cache->Clear();
	176	return true;
	177	}
	178
	179	/static/ bool wxArtProvider::Remove(wxArtProvider *provider)
	180	{
	181	wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );
	182
	183	if ( sm_providers->DeleteObject(provider) )
	184	{
	185	sm_cache->Clear();
	186	return true;
	187	}
	188
	189	return false;
	190	}
	191
	192	/static/ bool wxArtProvider::Delete(wxArtProvider *provider)
	193	{
	194	// provider will remove itself from the stack in its dtor
	195	delete provider;
	196
	197	return true;
	198	}
	199
	200	/static/ void wxArtProvider::CleanUpProviders()
	201	{
	202	if ( sm_providers )
	203	{
	204	while ( !sm_providers->empty() )
	205	delete *sm_providers->begin();
	206
	207	delete sm_providers;
	208	sm_providers = NULL;
	209
	210	delete sm_cache;
	211	sm_cache = NULL;
	212	}
	213	}
	214
	215	// ----------------------------------------------------------------------------
	216	// wxArtProvider: retrieving bitmaps/icons
	217	// ----------------------------------------------------------------------------
	218
	219	/static/ wxBitmap wxArtProvider::GetBitmap(const wxArtID& id,
	220	const wxArtClient& client,
	221	const wxSize& size)
	222	{
	223	// safety-check against writing client,id,size instead of id,client,size:
	224	wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );
	225
	226	wxCHECK_MSG( sm_providers, wxNullBitmap, _T("no wxArtProvider exists") );
	227
	228	wxString hashId = wxArtProviderCache::ConstructHashID(id, client, size);
	229
	230	wxBitmap bmp;
	231	if ( !sm_cache->GetBitmap(hashId, &bmp) )
	232	{
	233	for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
	234	node; node = node->GetNext())
	235	{
	236	bmp = node->GetData()->CreateBitmap(id, client, size);
	237	if ( bmp.Ok() )
	238	break;
	239	}
	240
	241	if ( !bmp.Ok() )
	242	{
	243	// no bitmap created -- as a fallback, try if we can find desired
	244	// icon in a bundle
	245	wxIconBundle iconBundle = DoGetIconBundle(id, client);
	246	if ( iconBundle.IsOk() )
	247	{
	248	wxSize sz(size != wxDefaultSize
	249	? size
	250	: GetNativeSizeHint(client));
	251	wxIcon icon(iconBundle.GetIcon(sz));
	252	if ( icon.IsOk() )
	253	bmp.CopyFromIcon(icon);
	254	}
	255	}
	256
	257	if ( bmp.IsOk() )
	258	{
	259	// if we didn't get the correct size, resize the bitmap
	260	#if wxUSE_IMAGE && (!defined(__WXMSW__) \|\| wxUSE_WXDIB)
	261	if ( size != wxDefaultSize &&
	262	(bmp.GetWidth() != size.x \|\| bmp.GetHeight() != size.y) )
	263	{
	264	wxImage img = bmp.ConvertToImage();
	265	img.Rescale(size.x, size.y);
	266	bmp = wxBitmap(img);
	267	}
	268	#endif
	269	}
	270
	271	sm_cache->PutBitmap(hashId, bmp);
	272	}
	273
	274	return bmp;
	275	}
	276
	277	/static/
	278	wxIconBundle wxArtProvider::GetIconBundle(const wxArtID& id, const wxArtClient& client)
	279	{
	280	wxIconBundle iconbundle(DoGetIconBundle(id, client));
	281
	282	if ( iconbundle.IsOk() )
	283	{
	284	return iconbundle;
	285	}
	286	else
	287	{
	288	// fall back to single-icon bundle
	289	return wxIconBundle(GetIcon(id, client));
	290	}
	291	}
	292
	293	/static/
	294	wxIconBundle wxArtProvider::DoGetIconBundle(const wxArtID& id, const wxArtClient& client)
	295	{
	296	// safety-check against writing client,id,size instead of id,client,size:
	297	wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );
	298
	299	wxCHECK_MSG( sm_providers, wxNullIconBundle, _T("no wxArtProvider exists") );
	300
	301	wxString hashId = wxArtProviderCache::ConstructHashID(id, client);
	302
	303	wxIconBundle iconbundle;
	304	if ( !sm_cache->GetIconBundle(hashId, &iconbundle) )
	305	{
	306	for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
	307	node; node = node->GetNext())
	308	{
	309	iconbundle = node->GetData()->CreateIconBundle(id, client);
	310	if ( iconbundle.IsOk() )
	311	break;
	312	}
	313
	314	sm_cache->PutIconBundle(hashId, iconbundle);
	315	}
	316
	317	return iconbundle;
	318	}
	319
	320	/static/ wxIcon wxArtProvider::GetIcon(const wxArtID& id,
	321	const wxArtClient& client,
	322	const wxSize& size)
	323	{
	324	wxBitmap bmp = GetBitmap(id, client, size);
	325
	326	if ( !bmp.IsOk() )
	327	return wxNullIcon;
	328
	329	wxIcon icon;
	330	icon.CopyFromBitmap(bmp);
	331	return icon;
	332	}
	333
	334	/* static */
	335	wxIcon wxArtProvider::GetMessageBoxIcon(int flags)
	336	{
	337	wxIcon icon;
	338	switch ( flags & wxICON_MASK )
	339	{
	340	default:
	341	wxFAIL_MSG(_T("incorrect message box icon flags"));
	342	// fall through
	343
	344	case wxICON_ERROR:
	345	icon = wxArtProvider::GetIcon(wxART_ERROR, wxART_MESSAGE_BOX);
	346	break;
	347
	348	case wxICON_INFORMATION:
	349	icon = wxArtProvider::GetIcon(wxART_INFORMATION, wxART_MESSAGE_BOX);
	350	break;
	351
	352	case wxICON_WARNING:
	353	icon = wxArtProvider::GetIcon(wxART_WARNING, wxART_MESSAGE_BOX);
	354	break;
	355
	356	case wxICON_QUESTION:
	357	icon = wxArtProvider::GetIcon(wxART_QUESTION, wxART_MESSAGE_BOX);
	358	break;
	359	}
	360
	361	return icon;
	362	}
	363
	364	/static/ wxSize wxArtProvider::GetSizeHint(const wxArtClient& client,
	365	bool platform_dependent)
	366	{
	367	if (!platform_dependent)
	368	{
	369	wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
	370	if (node)
	371	return node->GetData()->DoGetSizeHint(client);
	372	}
	373
	374	return GetNativeSizeHint(client);
	375	}
	376
	377	#ifndef wxHAS_NATIVE_ART_PROVIDER_IMPL
	378	/static/
	379	wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& WXUNUSED(client))
	380	{
	381	// rather than returning some arbitrary value that doesn't make much
	382	// sense (as 2.8 used to do), tell the caller that we don't have a clue:
	383	return wxDefaultSize;
	384	}
	385
	386	/static/
	387	void wxArtProvider::InitNativeProvider()
	388	{
	389	}
	390	#endif // !wxHAS_NATIVE_ART_PROVIDER_IMPL
	391
	392
	393	/* static */
	394	bool wxArtProvider::HasNativeProvider()
	395	{
	396	#ifdef __WXGTK20__
	397	return true;
	398	#else
	399	return false;
	400	#endif
	401	}
	402
	403	// ----------------------------------------------------------------------------
	404	// deprecated wxArtProvider methods
	405	// ----------------------------------------------------------------------------
	406
	407	#if WXWIN_COMPATIBILITY_2_6
	408
	409	/* static / void wxArtProvider::PushProvider(wxArtProvider provider)
	410	{
	411	Push(provider);
	412	}
	413
	414	/* static / void wxArtProvider::InsertProvider(wxArtProvider provider)
	415	{
	416	Insert(provider);
	417	}
	418
	419	/* static */ bool wxArtProvider::PopProvider()
	420	{
	421	return Pop();
	422	}
	423
	424	/* static / bool wxArtProvider::RemoveProvider(wxArtProvider provider)
	425	{
	426	// RemoveProvider() used to delete the provider being removed so this is
	427	// not a typo, we must call Delete() and not Remove() here
	428	return Delete(provider);
	429	}
	430
	431	#endif // WXWIN_COMPATIBILITY_2_6
	432
	433	#if WXWIN_COMPATIBILITY_2_8
	434	/* static / void wxArtProvider::Insert(wxArtProvider provider)
	435	{
	436	PushBack(provider);
	437	}
	438	#endif // WXWIN_COMPATIBILITY_2_8
	439
	440	// ============================================================================
	441	// wxArtProviderModule
	442	// ============================================================================
	443
	444	class wxArtProviderModule: public wxModule
	445	{
	446	public:
	447	bool OnInit()
	448	{
	449	wxArtProvider::InitStdProvider();
	450	wxArtProvider::InitNativeProvider();
	451	return true;
	452	}
	453	void OnExit()
	454	{
	455	wxArtProvider::CleanUpProviders();
	456	}
	457
	458	DECLARE_DYNAMIC_CLASS(wxArtProviderModule)
	459	};
	460
	461	IMPLEMENT_DYNAMIC_CLASS(wxArtProviderModule, wxModule)