gdicmn.cpp

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    typedef wxStringToColourHashMap::iterator iterator;

    for ( iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
    {
        if ( *(it->second) == colour )
            return it->first;
    }

    return wxEmptyString;
}

// ----------------------------------------------------------------------------
// deprecated wxColourDatabase methods
// ----------------------------------------------------------------------------

wxColour *wxColourDatabase::FindColour(const wxString& name)
{
    // This function is deprecated, use Find() instead.
    // Formerly this function sometimes would return a deletable pointer and
    // sometimes a non-deletable one (when returning a colour from the database).
    // Trying to delete the latter anyway results in problems, so probably
    // nobody ever freed the pointers. Currently it always returns a new
    // instance, which means there will be memory leaks.
    wxLogDebug(wxT("wxColourDataBase::FindColour():")
        wxT(" Please use wxColourDataBase::Find() instead"));

    // using a static variable here is not the most elegant solution but unless
    // we want to make wxStringToColourHashMap public (i.e. move it to the
    // header) so that we could have a member function returning
    // wxStringToColourHashMap::iterator, there is really no good way to do it
    // otherwise
    //
    // and knowing that this function is going to disappear in the next release
    // anyhow I don't want to waste time on this

    static wxColour s_col;

    s_col = Find(name);
    if ( !s_col.Ok() )
        return NULL;

    return new wxColour(s_col);
}

// ============================================================================
// stock objects
// ============================================================================

void wxInitializeStockLists()
{
    wxTheColourDatabase = new wxColourDatabase;

    wxTheBrushList = new wxBrushList;
    wxThePenList = new wxPenList;
    wxTheFontList = new wxFontList;
    wxTheBitmapList = new wxBitmapList;
}

void wxInitializeStockObjects ()
{
#ifdef __WXMOTIF__
#endif
#ifdef __X__
  // TODO
  //  wxFontPool = new XFontPool;
#endif

  // why under MSW fonts shouldn't have the standard system size?
/*
#ifdef __WXMSW__
  static const int sizeFont = 10;
#else
#endif
*/
#if defined(__WXMAC__)
    // retrieve size of system font for all stock fonts
    int sizeFont = 12;

    Str255 fontName ;
    SInt16 fontSize ;
    Style fontStyle ;

    GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
    sizeFont = fontSize ;
#ifdef __WXMAC_CLASSIC__
    wxNORMAL_FONT = new wxFont (fontSize, wxMODERN, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal(fontName) );
#else
    wxNORMAL_FONT = new wxFont () ;
    wxNORMAL_FONT->MacCreateThemeFont( kThemeSystemFont );
#endif
#elif defined(__WXPM__)
    static const int sizeFont = 12;
#else
    wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
    static const int sizeFont = wxNORMAL_FONT->GetPointSize();
#endif

#if defined(__WXPM__)
    /*
    // Basic OS/2 has a fairly limited number of fonts and these are as good
    // as I can do to get something that looks halfway "wx" normal
    */
    wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
    wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
    wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
    wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
#elif defined(__WXMAC__)
    wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
    wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
#ifdef __WXMAC_CLASSIC__
  GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
    wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal( fontName ) );
#else
    wxSMALL_FONT = new wxFont () ;
    wxSMALL_FONT->MacCreateThemeFont( kThemeSmallSystemFont );
#endif
#else
    wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
    wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
    wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
#endif

    wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
    wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
    wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
    wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
    wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
    wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
    wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
    wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
    wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
    wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);

    wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
    wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
    wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
    wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
    wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
    wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
    wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
    wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
    wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
    wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);

    wxBLACK = new wxColour (wxT("BLACK"));
    wxWHITE = new wxColour (wxT("WHITE"));
    wxRED = new wxColour (wxT("RED"));
    wxBLUE = new wxColour (wxT("BLUE"));
    wxGREEN = new wxColour (wxT("GREEN"));
    wxCYAN = new wxColour (wxT("CYAN"));
    wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));

    wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
    wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
    wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
}

void wxDeleteStockObjects ()
{
    wxDELETE(wxNORMAL_FONT);
    wxDELETE(wxSMALL_FONT);
    wxDELETE(wxITALIC_FONT);
    wxDELETE(wxSWISS_FONT);

    wxDELETE(wxRED_PEN);
    wxDELETE(wxCYAN_PEN);
    wxDELETE(wxGREEN_PEN);
    wxDELETE(wxBLACK_PEN);
    wxDELETE(wxWHITE_PEN);
    wxDELETE(wxTRANSPARENT_PEN);
    wxDELETE(wxBLACK_DASHED_PEN);
    wxDELETE(wxGREY_PEN);
    wxDELETE(wxMEDIUM_GREY_PEN);
    wxDELETE(wxLIGHT_GREY_PEN);

    wxDELETE(wxBLUE_BRUSH);
    wxDELETE(wxGREEN_BRUSH);
    wxDELETE(wxWHITE_BRUSH);
    wxDELETE(wxBLACK_BRUSH);
    wxDELETE(wxTRANSPARENT_BRUSH);
    wxDELETE(wxCYAN_BRUSH);
    wxDELETE(wxRED_BRUSH);
    wxDELETE(wxGREY_BRUSH);
    wxDELETE(wxMEDIUM_GREY_BRUSH);
    wxDELETE(wxLIGHT_GREY_BRUSH);

    wxDELETE(wxBLACK);
    wxDELETE(wxWHITE);
    wxDELETE(wxRED);
    wxDELETE(wxBLUE);
    wxDELETE(wxGREEN);
    wxDELETE(wxCYAN);
    wxDELETE(wxLIGHT_GREY);

    wxDELETE(wxSTANDARD_CURSOR);
    wxDELETE(wxHOURGLASS_CURSOR);
    wxDELETE(wxCROSS_CURSOR);
}

void wxDeleteStockLists()
{
    wxDELETE(wxTheBrushList);
    wxDELETE(wxThePenList);
    wxDELETE(wxTheFontList);
    wxDELETE(wxTheBitmapList);
}

// ============================================================================
// wxTheXXXList stuff (semi-obsolete)
// ============================================================================

wxBitmapList::~wxBitmapList ()
{
    wxList::compatibility_iterator node = GetFirst ();
    while (node)
    {
        wxBitmap *bitmap = (wxBitmap *) node->GetData ();
        wxList::compatibility_iterator next = node->GetNext ();
        if (bitmap->GetVisible())
            delete bitmap;
        node = next;
    }
}

// Pen and Brush lists
wxPenList::~wxPenList ()
{
    wxList::compatibility_iterator node = GetFirst ();
    while (node)
    {
        wxPen *pen = (wxPen *) node->GetData ();
        wxList::compatibility_iterator next = node->GetNext ();
        if (pen->GetVisible())
            delete pen;
        node = next;
    }
}

void wxPenList::AddPen (wxPen * pen)
{
    Append (pen);
}

void wxPenList::RemovePen (wxPen * pen)
{
    DeleteObject (pen);
}

wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
{
    for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
    {
        wxPen *each_pen = (wxPen *) node->GetData ();
        if (each_pen &&
                each_pen->GetVisible() &&
                each_pen->GetWidth () == width &&
                each_pen->GetStyle () == style &&
                each_pen->GetColour ().Red () == colour.Red () &&
                each_pen->GetColour ().Green () == colour.Green () &&
                each_pen->GetColour ().Blue () == colour.Blue ())
            return each_pen;
    }

    wxPen *pen = new wxPen (colour, width, style);
    if ( !pen->Ok() )
    {
        // don't save the invalid pens in the list
        delete pen;

        return NULL;
    }

    AddPen(pen);

    // we'll delete it ourselves later
    pen->SetVisible(true);

    return pen;
}

wxBrushList::~wxBrushList ()
{
    wxList::compatibility_iterator node = GetFirst ();
    while (node)
    {
        wxBrush *brush = (wxBrush *) node->GetData ();
        wxList::compatibility_iterator next = node->GetNext ();
        if (brush && brush->GetVisible())
            delete brush;
        node = next;
    }
}

void wxBrushList::AddBrush (wxBrush * brush)
{
    Append (brush);
}

wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
{
    for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
    {
        wxBrush *each_brush = (wxBrush *) node->GetData ();
        if (each_brush &&
                each_brush->GetVisible() &&
                each_brush->GetStyle () == style &&
                each_brush->GetColour ().Red () == colour.Red () &&
                each_brush->GetColour ().Green () == colour.Green () &&
                each_brush->GetColour ().Blue () == colour.Blue ())
            return each_brush;
    }

    wxBrush *brush = new wxBrush (colour, style);

    if ( !brush->Ok() )
    {
        // don't put the brushes we failed to create into the list
        delete brush;

        return NULL;
    }

    AddBrush(brush);

    // we'll delete it ourselves later
    brush->SetVisible(true);

    return brush;
}

void wxBrushList::RemoveBrush (wxBrush * brush)
{
    DeleteObject (brush);
}

wxFontList::~wxFontList ()
{
    wxList::compatibility_iterator node = GetFirst ();
    while (node)
    {
        // Only delete objects that are 'visible', i.e.
        // that have been created using FindOrCreate...,
        // where the pointers are expected to be shared
        // (and therefore not deleted by any one part of an app).
        wxFont *font = (wxFont *) node->GetData ();
        wxList::compatibility_iterator next = node->GetNext ();
        if (font->GetVisible())
            delete font;
        node = next;
    }
}

void wxFontList::AddFont (wxFont * font)
{
    Append (font);
}

void wxFontList::RemoveFont (wxFont * font)
{
    DeleteObject (font);
}

wxFont *wxFontList::FindOrCreateFont(int pointSize,
                                     int family,
                                     int style,
                                     int weight,
                                     bool underline,
                                     const wxString& facename,
                                     wxFontEncoding encoding)
{
    wxFont *font = (wxFont *)NULL;
    wxList::compatibility_iterator node;
    for ( node = GetFirst(); node; node = node->GetNext() )
    {
        font = (wxFont *)node->GetData();
        if ( font->GetVisible() &&
             font->Ok() &&
             font->GetPointSize () == pointSize &&
             font->GetStyle () == style &&
             font->GetWeight () == weight &&
             font->GetUnderlined () == underline )
        {
            int fontFamily = font->GetFamily();

#if defined(__WXGTK__)
            // under GTK the default family is wxSWISS, so looking for a font
            // with wxDEFAULT family should return a wxSWISS one instead of
            // creating a new one
            bool same = (fontFamily == family) ||
                        (fontFamily == wxSWISS && family == wxDEFAULT);
#else // !GTK
            // VZ: but why elsewhere do we require an exact match? mystery...
            bool same = fontFamily == family;
#endif // GTK/!GTK

            // empty facename matches anything at all: this is bad because
            // depending on which fonts are already created, we might get back
            // a different font if we create it with empty facename, but it is
            // still better than never matching anything in the cache at all
            // in this case
            if ( same && !facename.empty() )
            {
                const wxString& fontFace = font->GetFaceName();

                // empty facename matches everything
                same = !fontFace || fontFace == facename;
            }

            if ( same && (encoding != wxFONTENCODING_DEFAULT) )
            {
                // have to match the encoding too
                same = font->GetEncoding() == encoding;
            }

            if ( same )
            {
                return font;
            }
        }
    }

    if ( !node )
    {
        // font not found, create the new one
        font = new wxFont(pointSize, family, style, weight,
                          underline, facename, encoding);

        AddFont(font);

        // and mark it as being cacheable
        font->SetVisible(true);
    }

    return font;
}

void wxBitmapList::AddBitmap(wxBitmap *bitmap)
{
    Append(bitmap);
}

void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
{
    DeleteObject(bitmap);
}

wxSize wxGetDisplaySize()
{
    int x, y;
    wxDisplaySize(& x, & y);
    return wxSize(x, y);
}

wxRect wxGetClientDisplayRect()
{
    int x, y, width, height;
    wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
    return wxRect(x, y, width, height);
}

wxSize wxGetDisplaySizeMM()
{
    int x, y;
    wxDisplaySizeMM(& x, & y);
    return wxSize(x, y);
}

wxResourceCache::~wxResourceCache ()
{
    wxList::compatibility_iterator node = GetFirst ();
    while (node) {
        wxObject *item = (wxObject *)node->GetData();
        delete item;

        node = node->GetNext ();
    }
}