src/gtk/font.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        font.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

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

#ifdef __GNUG__
    #pragma implementation "font.h"
#endif

#include "wx/font.h"
#include "wx/fontutil.h"
#include "wx/cmndata.h"
#include "wx/utils.h"
#include "wx/log.h"
#include "wx/gdicmn.h"
#include "wx/tokenzr.h"
#include "wx/settings.h"

#include <strings.h>

#include <gdk/gdk.h>
#include <gdk/gdkprivate.h>
#include <gtk/gtk.h>

// ----------------------------------------------------------------------------
// wxFontRefData
// ----------------------------------------------------------------------------

class wxFontRefData : public wxObjectRefData
{
public:
    wxFontRefData(int size = wxDEFAULT,
                  int family = wxDEFAULT,
                  int style = wxDEFAULT,
                  int weight = wxDEFAULT,
                  bool underlined = FALSE,
                  const wxString& faceName = wxEmptyString,
                  wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
    wxFontRefData( const wxFontRefData& data );
    virtual ~wxFontRefData();

protected:
    // common part of all ctors
    void Init(int pointSize,
              int family,
              int style,
              int weight,
              bool underlined,
              const wxString& faceName,
              wxFontEncoding encoding);

private:
    wxList          m_scaled_xfonts;
    int             m_pointSize;
    int             m_family,
                    m_style,
                    m_weight;
    bool            m_underlined;
    wxString        m_faceName;
    wxFontEncoding  m_encoding;

    wxNativeFontInfo m_nativeFontInfo;

    friend class wxFont;
};

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

// ----------------------------------------------------------------------------
// wxFontRefData
// ----------------------------------------------------------------------------

void wxFontRefData::Init(int pointSize,
                         int family,
                         int style,
                         int weight,
                         bool underlined,
                         const wxString& faceName,
                         wxFontEncoding encoding)
{
    if (family == wxDEFAULT)
        m_family = wxSWISS;
    else
        m_family = family;

    m_faceName = faceName;

    if (style == wxDEFAULT)
        m_style = wxNORMAL;
    else
        m_style = style;

    if (weight == wxDEFAULT)
        m_weight = wxNORMAL;
    else
        m_weight = weight;

    if (pointSize == wxDEFAULT)
        m_pointSize = 12;
    else
        m_pointSize = pointSize;

    m_underlined = underlined;
    m_encoding = encoding;
}

wxFontRefData::wxFontRefData( const wxFontRefData& data )
    : m_scaled_xfonts(wxKEY_INTEGER)
{
    Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
         data.m_underlined, data.m_faceName, data.m_encoding);
}

wxFontRefData::wxFontRefData(int size, int family, int style,
                             int weight, bool underlined,
                             const wxString& faceName,
                             wxFontEncoding encoding)
    : m_scaled_xfonts(wxKEY_INTEGER)
{
    Init(size, family, style, weight, underlined, faceName, encoding);
}

wxFontRefData::~wxFontRefData()
{
    wxNode *node = m_scaled_xfonts.First();
    while (node)
    {
        GdkFont *font = (GdkFont*)node->Data();
        wxNode *next = node->Next();
        gdk_font_unref( font );
        node = next;
    }
}

// ----------------------------------------------------------------------------
// wxFont
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)

void wxFont::Init()
{
}

wxFont::wxFont(const wxNativeFontInfo& info)
{
    Init();

    Create(info.xFontName);
}

bool wxFont::Create(const wxNativeFontInfo& info)
{
    return Create(info.xFontName);
}

bool wxFont::Create( int pointSize,
                     int family,
                     int style,
                     int weight,
                     bool underlined,
                     const wxString& face,
                     wxFontEncoding encoding)
{
    m_refData = new wxFontRefData(pointSize, family, style, weight,
                                  underlined, face, encoding);

    return TRUE;
}

bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
{
    if( !fontname )
    {
         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
         return TRUE;
    }

    m_refData = new wxFontRefData();

    M_FONTDATA->m_nativeFontInfo.xFontName = fontname;  // X font name

    wxString tmp;

    wxStringTokenizer tn( fontname, wxT("-") );

    tn.GetNextToken();                           // skip initial empty token
    tn.GetNextToken();                           // foundry


    M_FONTDATA->m_faceName = tn.GetNextToken();  // family

    tmp = tn.GetNextToken().MakeUpper();         // weight
    if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
    if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
    if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
    if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
    if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;

    if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
    if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;

    tmp = tn.GetNextToken().MakeUpper();        // slant
    if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
    if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;

    tn.GetNextToken();                           // set width
    tn.GetNextToken();                           // add. style
    tn.GetNextToken();                           // pixel size

    tmp = tn.GetNextToken();                     // pointsize
    if (tmp != wxT("*"))
    {
        long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
        M_FONTDATA->m_pointSize = (int)(num / 10);
    }

    tn.GetNextToken();                           // x-res
    tn.GetNextToken();                           // y-res

    tmp = tn.GetNextToken().MakeUpper();         // spacing

    if (tmp == wxT("M"))
        M_FONTDATA->m_family = wxMODERN;
    else if (M_FONTDATA->m_faceName == wxT("TIMES"))
        M_FONTDATA->m_family = wxROMAN;
    else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
        M_FONTDATA->m_family = wxSWISS;
    else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
        M_FONTDATA->m_family = wxTELETYPE;
    else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
        M_FONTDATA->m_family = wxDECORATIVE;
    else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
        M_FONTDATA->m_family = wxSCRIPT;

    tn.GetNextToken();                           // avg width

    // deal with font encoding
    M_FONTDATA->m_encoding = enc;
    if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
    {
        wxString registry = tn.GetNextToken().MakeUpper(),
                 encoding = tn.GetNextToken().MakeUpper();

        if ( registry == _T("ISO8859") )
        {
            int cp;
            if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
            {
                M_FONTDATA->m_encoding =
                    (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
            }
        }
        else if ( registry == _T("MICROSOFT") )
        {
            int cp;
            if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
            {
                M_FONTDATA->m_encoding =
                    (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
            }
        }
        else if ( registry == _T("KOI8") )
        {
            M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
        }
        //else: unknown encoding - may be give a warning here?
        else
            return FALSE;
    }
    return TRUE;
}

void wxFont::Unshare()
{
    if (!m_refData)
    {
        m_refData = new wxFontRefData();
    }
    else
    {
        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
        UnRef();
        m_refData = ref;
    }
}

wxFont::~wxFont()
{
}

// ----------------------------------------------------------------------------
// accessors
// ----------------------------------------------------------------------------

bool wxFont::HasNativeFont() const
{
    return !M_FONTDATA->m_nativeFontInfo.xFontName.empty();
}

int wxFont::GetPointSize() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->m_pointSize;
}

wxString wxFont::GetFaceName() const
{
    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );

    return M_FONTDATA->m_faceName;
}

int wxFont::GetFamily() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->m_family;
}

int wxFont::GetStyle() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->m_style;
}

int wxFont::GetWeight() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->m_weight;
}

bool wxFont::GetUnderlined() const
{
    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );

    return M_FONTDATA->m_underlined;
}


wxFontEncoding wxFont::GetEncoding() const
{
    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );

    return M_FONTDATA->m_encoding;
}

wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
    wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );

    if(M_FONTDATA->m_nativeFontInfo.xFontName.IsEmpty())
        GetInternalFont();

    return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
}

bool wxFont::IsFixedWidth() const
{
    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );

    if ( HasNativeFont() )
    {
        // the monospace fonts are supposed to have "M" in the spacing field
        wxString spacing = M_FONTDATA->
                            m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);

        return spacing.Upper() == _T('M');
    }

    return wxFontBase::IsFixedWidth();
}

// ----------------------------------------------------------------------------
// change font attributes
// ----------------------------------------------------------------------------

void wxFont::SetPointSize(int pointSize)
{
    Unshare();

    M_FONTDATA->m_pointSize = pointSize;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetFamily(int family)
{
    Unshare();

    M_FONTDATA->m_family = family;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetStyle(int style)
{
    Unshare();

    M_FONTDATA->m_style = style;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetWeight(int weight)
{
    Unshare();

    M_FONTDATA->m_weight = weight;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetFaceName(const wxString& faceName)
{
    Unshare();

    M_FONTDATA->m_faceName = faceName;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetUnderlined(bool underlined)
{
    Unshare();

    M_FONTDATA->m_underlined = underlined;
}

void wxFont::SetEncoding(wxFontEncoding encoding)
{
    Unshare();

    M_FONTDATA->m_encoding = encoding;
    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
}

void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
{
    Unshare();

    M_FONTDATA->m_nativeFontInfo = info;
}

// ----------------------------------------------------------------------------
// get internal representation of font
// ----------------------------------------------------------------------------

static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL;

GdkFont *GtkGetDefaultGuiFont()
{
    if (!g_systemDefaultGuiFont)
    {
        GtkWidget *widget = gtk_button_new();
        GtkStyle *def = gtk_rc_get_style( widget );
        if (def)
        {
            g_systemDefaultGuiFont = gdk_font_ref( def->font );
        }
        else
        {
            def = gtk_widget_get_default_style();
            if (def)
                g_systemDefaultGuiFont = gdk_font_ref( def->font );
        }
        gtk_widget_destroy( widget );
    }
    else
    {
        // already have it, but ref it once more before returning
        gdk_font_ref(g_systemDefaultGuiFont);
    }

    return g_systemDefaultGuiFont;
}

GdkFont *wxFont::GetInternalFont( float scale ) const
{
    if (!Ok())
    {
        wxFAIL_MSG( wxT("invalid font") );

        return (GdkFont*) NULL;
    }

    long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
    int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
    GdkFont *font = (GdkFont *) NULL;

    wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
    if (node)
    {
        font = (GdkFont*)node->Data();
    }
    else
    {
        if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
        {
            font = GtkGetDefaultGuiFont();
        }
        if (!font)
        {
            font = wxLoadQueryNearestFont( point_scale,
                                           M_FONTDATA->m_family,
                                           M_FONTDATA->m_style,
                                           M_FONTDATA->m_weight,
                                           M_FONTDATA->m_underlined,
                                           M_FONTDATA->m_faceName,
                                           M_FONTDATA->m_encoding,
                                           &M_FONTDATA->m_nativeFontInfo.xFontName );
        }

        M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
    }

    // it's quite useless to make it a wxCHECK because we're going to crash
    // anyhow...
    wxASSERT_MSG( font, wxT("could not load any font?") );

    return font;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: font.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// ============================================================================
	11	// declarations
	12	// ============================================================================
	13
	14	// ----------------------------------------------------------------------------
	15	// headers
	16	// ----------------------------------------------------------------------------
	17
	18	#ifdef __GNUG__
	19	#pragma implementation "font.h"
	20	#endif
	21
	22	#include "wx/font.h"
	23	#include "wx/fontutil.h"
	24	#include "wx/cmndata.h"
	25	#include "wx/utils.h"
	26	#include "wx/log.h"
	27	#include "wx/gdicmn.h"
	28	#include "wx/tokenzr.h"
	29	#include "wx/settings.h"
	30
	31	#include <strings.h>
	32
	33	#include <gdk/gdk.h>
	34	#include <gdk/gdkprivate.h>
	35	#include <gtk/gtk.h>
	36
	37	// ----------------------------------------------------------------------------
	38	// wxFontRefData
	39	// ----------------------------------------------------------------------------
	40
	41	class wxFontRefData : public wxObjectRefData
	42	{
	43	public:
	44	wxFontRefData(int size = wxDEFAULT,
	45	int family = wxDEFAULT,
	46	int style = wxDEFAULT,
	47	int weight = wxDEFAULT,
	48	bool underlined = FALSE,
	49	const wxString& faceName = wxEmptyString,
	50	wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
	51	wxFontRefData( const wxFontRefData& data );
	52	virtual ~wxFontRefData();
	53
	54	protected:
	55	// common part of all ctors
	56	void Init(int pointSize,
	57	int family,
	58	int style,
	59	int weight,
	60	bool underlined,
	61	const wxString& faceName,
	62	wxFontEncoding encoding);
	63
	64	private:
	65	wxList m_scaled_xfonts;
	66	int m_pointSize;
	67	int m_family,
	68	m_style,
	69	m_weight;
	70	bool m_underlined;
	71	wxString m_faceName;
	72	wxFontEncoding m_encoding;
	73
	74	wxNativeFontInfo m_nativeFontInfo;
	75
	76	friend class wxFont;
	77	};
	78
	79	// ============================================================================
	80	// implementation
	81	// ============================================================================
	82
	83	// ----------------------------------------------------------------------------
	84	// wxFontRefData
	85	// ----------------------------------------------------------------------------
	86
	87	void wxFontRefData::Init(int pointSize,
	88	int family,
	89	int style,
	90	int weight,
	91	bool underlined,
	92	const wxString& faceName,
	93	wxFontEncoding encoding)
	94	{
	95	if (family == wxDEFAULT)
	96	m_family = wxSWISS;
	97	else
	98	m_family = family;
	99
	100	m_faceName = faceName;
	101
	102	if (style == wxDEFAULT)
	103	m_style = wxNORMAL;
	104	else
	105	m_style = style;
	106
	107	if (weight == wxDEFAULT)
	108	m_weight = wxNORMAL;
	109	else
	110	m_weight = weight;
	111
	112	if (pointSize == wxDEFAULT)
	113	m_pointSize = 12;
	114	else
	115	m_pointSize = pointSize;
	116
	117	m_underlined = underlined;
	118	m_encoding = encoding;
	119	}
	120
	121	wxFontRefData::wxFontRefData( const wxFontRefData& data )
	122	: m_scaled_xfonts(wxKEY_INTEGER)
	123	{
	124	Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
	125	data.m_underlined, data.m_faceName, data.m_encoding);
	126	}
	127
	128	wxFontRefData::wxFontRefData(int size, int family, int style,
	129	int weight, bool underlined,
	130	const wxString& faceName,
	131	wxFontEncoding encoding)
	132	: m_scaled_xfonts(wxKEY_INTEGER)
	133	{
	134	Init(size, family, style, weight, underlined, faceName, encoding);
	135	}
	136
	137	wxFontRefData::~wxFontRefData()
	138	{
	139	wxNode *node = m_scaled_xfonts.First();
	140	while (node)
	141	{
	142	GdkFont font = (GdkFont)node->Data();
	143	wxNode *next = node->Next();
	144	gdk_font_unref( font );
	145	node = next;
	146	}
	147	}
	148
	149	// ----------------------------------------------------------------------------
	150	// wxFont
	151	// ----------------------------------------------------------------------------
	152
	153	IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
	154
	155	void wxFont::Init()
	156	{
	157	}
	158
	159	wxFont::wxFont(const wxNativeFontInfo& info)
	160	{
	161	Init();
	162
	163	Create(info.xFontName);
	164	}
	165
	166	bool wxFont::Create(const wxNativeFontInfo& info)
	167	{
	168	return Create(info.xFontName);
	169	}
	170
	171	bool wxFont::Create( int pointSize,
	172	int family,
	173	int style,
	174	int weight,
	175	bool underlined,
	176	const wxString& face,
	177	wxFontEncoding encoding)
	178	{
	179	m_refData = new wxFontRefData(pointSize, family, style, weight,
	180	underlined, face, encoding);
	181
	182	return TRUE;
	183	}
	184
	185	bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
	186	{
	187	if( !fontname )
	188	{
	189	*this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
	190	return TRUE;
	191	}
	192
	193	m_refData = new wxFontRefData();
	194
	195	M_FONTDATA->m_nativeFontInfo.xFontName = fontname; // X font name
	196
	197	wxString tmp;
	198
	199	wxStringTokenizer tn( fontname, wxT("-") );
	200
	201	tn.GetNextToken(); // skip initial empty token
	202	tn.GetNextToken(); // foundry
	203
	204
	205	M_FONTDATA->m_faceName = tn.GetNextToken(); // family
	206
	207	tmp = tn.GetNextToken().MakeUpper(); // weight
	208	if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
	209	if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
	210	if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
	211	if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
	212	if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
	213
	214	if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
	215	if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
	216
	217	tmp = tn.GetNextToken().MakeUpper(); // slant
	218	if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
	219	if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
	220
	221	tn.GetNextToken(); // set width
	222	tn.GetNextToken(); // add. style
	223	tn.GetNextToken(); // pixel size
	224
	225	tmp = tn.GetNextToken(); // pointsize
	226	if (tmp != wxT("*"))
	227	{
	228	long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
	229	M_FONTDATA->m_pointSize = (int)(num / 10);
	230	}
	231
	232	tn.GetNextToken(); // x-res
	233	tn.GetNextToken(); // y-res
	234
	235	tmp = tn.GetNextToken().MakeUpper(); // spacing
	236
	237	if (tmp == wxT("M"))
	238	M_FONTDATA->m_family = wxMODERN;
	239	else if (M_FONTDATA->m_faceName == wxT("TIMES"))
	240	M_FONTDATA->m_family = wxROMAN;
	241	else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
	242	M_FONTDATA->m_family = wxSWISS;
	243	else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
	244	M_FONTDATA->m_family = wxTELETYPE;
	245	else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
	246	M_FONTDATA->m_family = wxDECORATIVE;
	247	else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
	248	M_FONTDATA->m_family = wxSCRIPT;
	249
	250	tn.GetNextToken(); // avg width
	251
	252	// deal with font encoding
	253	M_FONTDATA->m_encoding = enc;
	254	if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
	255	{
	256	wxString registry = tn.GetNextToken().MakeUpper(),
	257	encoding = tn.GetNextToken().MakeUpper();
	258
	259	if ( registry == _T("ISO8859") )
	260	{
	261	int cp;
	262	if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
	263	{
	264	M_FONTDATA->m_encoding =
	265	(wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
	266	}
	267	}
	268	else if ( registry == _T("MICROSOFT") )
	269	{
	270	int cp;
	271	if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
	272	{
	273	M_FONTDATA->m_encoding =
	274	(wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
	275	}
	276	}
	277	else if ( registry == _T("KOI8") )
	278	{
	279	M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
	280	}
	281	//else: unknown encoding - may be give a warning here?
	282	else
	283	return FALSE;
	284	}
	285	return TRUE;
	286	}
	287
	288	void wxFont::Unshare()
	289	{
	290	if (!m_refData)
	291	{
	292	m_refData = new wxFontRefData();
	293	}
	294	else
	295	{
	296	wxFontRefData* ref = new wxFontRefData((wxFontRefData)m_refData);
	297	UnRef();
	298	m_refData = ref;
	299	}
	300	}
	301
	302	wxFont::~wxFont()
	303	{
	304	}
	305
	306	// ----------------------------------------------------------------------------
	307	// accessors
	308	// ----------------------------------------------------------------------------
	309
	310	bool wxFont::HasNativeFont() const
	311	{
	312	return !M_FONTDATA->m_nativeFontInfo.xFontName.empty();
	313	}
	314
	315	int wxFont::GetPointSize() const
	316	{
	317	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	318
	319	return M_FONTDATA->m_pointSize;
	320	}
	321
	322	wxString wxFont::GetFaceName() const
	323	{
	324	wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
	325
	326	return M_FONTDATA->m_faceName;
	327	}
	328
	329	int wxFont::GetFamily() const
	330	{
	331	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	332
	333	return M_FONTDATA->m_family;
	334	}
	335
	336	int wxFont::GetStyle() const
	337	{
	338	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	339
	340	return M_FONTDATA->m_style;
	341	}
	342
	343	int wxFont::GetWeight() const
	344	{
	345	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	346
	347	return M_FONTDATA->m_weight;
	348	}
	349
	350	bool wxFont::GetUnderlined() const
	351	{
	352	wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
	353
	354	return M_FONTDATA->m_underlined;
	355	}
	356
	357
	358	wxFontEncoding wxFont::GetEncoding() const
	359	{
	360	wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
	361
	362	return M_FONTDATA->m_encoding;
	363	}
	364
	365	wxNativeFontInfo *wxFont::GetNativeFontInfo() const
	366	{
	367	wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
	368
	369	if(M_FONTDATA->m_nativeFontInfo.xFontName.IsEmpty())
	370	GetInternalFont();
	371
	372	return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
	373	}
	374
	375	bool wxFont::IsFixedWidth() const
	376	{
	377	wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
	378
	379	if ( HasNativeFont() )
	380	{
	381	// the monospace fonts are supposed to have "M" in the spacing field
	382	wxString spacing = M_FONTDATA->
	383	m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
	384
	385	return spacing.Upper() == _T('M');
	386	}
	387
	388	return wxFontBase::IsFixedWidth();
	389	}
	390
	391	// ----------------------------------------------------------------------------
	392	// change font attributes
	393	// ----------------------------------------------------------------------------
	394
	395	void wxFont::SetPointSize(int pointSize)
	396	{
	397	Unshare();
	398
	399	M_FONTDATA->m_pointSize = pointSize;
	400	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	401	}
	402
	403	void wxFont::SetFamily(int family)
	404	{
	405	Unshare();
	406
	407	M_FONTDATA->m_family = family;
	408	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	409	}
	410
	411	void wxFont::SetStyle(int style)
	412	{
	413	Unshare();
	414
	415	M_FONTDATA->m_style = style;
	416	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	417	}
	418
	419	void wxFont::SetWeight(int weight)
	420	{
	421	Unshare();
	422
	423	M_FONTDATA->m_weight = weight;
	424	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	425	}
	426
	427	void wxFont::SetFaceName(const wxString& faceName)
	428	{
	429	Unshare();
	430
	431	M_FONTDATA->m_faceName = faceName;
	432	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	433	}
	434
	435	void wxFont::SetUnderlined(bool underlined)
	436	{
	437	Unshare();
	438
	439	M_FONTDATA->m_underlined = underlined;
	440	}
	441
	442	void wxFont::SetEncoding(wxFontEncoding encoding)
	443	{
	444	Unshare();
	445
	446	M_FONTDATA->m_encoding = encoding;
	447	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	448	}
	449
	450	void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
	451	{
	452	Unshare();
	453
	454	M_FONTDATA->m_nativeFontInfo = info;
	455	}
	456
	457	// ----------------------------------------------------------------------------
	458	// get internal representation of font
	459	// ----------------------------------------------------------------------------
	460
	461	static GdkFont g_systemDefaultGuiFont = (GdkFont) NULL;
	462
	463	GdkFont *GtkGetDefaultGuiFont()
	464	{
	465	if (!g_systemDefaultGuiFont)
	466	{
	467	GtkWidget *widget = gtk_button_new();
	468	GtkStyle *def = gtk_rc_get_style( widget );
	469	if (def)
	470	{
	471	g_systemDefaultGuiFont = gdk_font_ref( def->font );
	472	}
	473	else
	474	{
	475	def = gtk_widget_get_default_style();
	476	if (def)
	477	g_systemDefaultGuiFont = gdk_font_ref( def->font );
	478	}
	479	gtk_widget_destroy( widget );
	480	}
	481	else
	482	{
	483	// already have it, but ref it once more before returning
	484	gdk_font_ref(g_systemDefaultGuiFont);
	485	}
	486
	487	return g_systemDefaultGuiFont;
	488	}
	489
	490	GdkFont *wxFont::GetInternalFont( float scale ) const
	491	{
	492	if (!Ok())
	493	{
	494	wxFAIL_MSG( wxT("invalid font") );
	495
	496	return (GdkFont*) NULL;
	497	}
	498
	499	long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
	500	int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
	501	GdkFont font = (GdkFont ) NULL;
	502
	503	wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
	504	if (node)
	505	{
	506	font = (GdkFont*)node->Data();
	507	}
	508	else
	509	{
	510	if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
	511	{
	512	font = GtkGetDefaultGuiFont();
	513	}
	514	if (!font)
	515	{
	516	font = wxLoadQueryNearestFont( point_scale,
	517	M_FONTDATA->m_family,
	518	M_FONTDATA->m_style,
	519	M_FONTDATA->m_weight,
	520	M_FONTDATA->m_underlined,
	521	M_FONTDATA->m_faceName,
	522	M_FONTDATA->m_encoding,
	523	&M_FONTDATA->m_nativeFontInfo.xFontName );
	524	}
	525
	526	M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
	527	}
	528
	529	// it's quite useless to make it a wxCHECK because we're going to crash
	530	// anyhow...
	531	wxASSERT_MSG( font, wxT("could not load any font?") );
	532
	533	return font;
	534	}
	535