src/gtk1/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;
    }
}

// ----------------------------------------------------------------------------
// wxNativeFontInfo
// ----------------------------------------------------------------------------

bool wxNativeFontInfo::FromString(const wxString& s)
{
    wxStringTokenizer tokenizer(s, _T(";"));

    wxString token = tokenizer.GetNextToken();
    //
    //  Ignore the version for now
    //

    xFontName = tokenizer.GetNextToken();
    if(!xFontName)
        return FALSE;

    return TRUE;
}

wxString wxNativeFontInfo::ToString() const
{
    wxString s;

    s.Printf(_T("%d;%s"),
             0,                         // version
             xFontName.c_str());

    return s;
}

// ----------------------------------------------------------------------------
// 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::GetSystemFont( 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
// ----------------------------------------------------------------------------

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);
}


// ----------------------------------------------------------------------------
// 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::GetSystemFont( 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	// wxNativeFontInfo
	151	// ----------------------------------------------------------------------------
	152
	153	bool wxNativeFontInfo::FromString(const wxString& s)
	154	{
	155	wxStringTokenizer tokenizer(s, _T(";"));
	156
	157	wxString token = tokenizer.GetNextToken();
	158	//
	159	// Ignore the version for now
	160	//
	161
	162	xFontName = tokenizer.GetNextToken();
	163	if(!xFontName)
	164	return FALSE;
	165
	166	return TRUE;
	167	}
	168
	169	wxString wxNativeFontInfo::ToString() const
	170	{
	171	wxString s;
	172
	173	s.Printf(_T("%d;%s"),
	174	0, // version
	175	xFontName.c_str());
	176
	177	return s;
	178	}
	179
	180	// ----------------------------------------------------------------------------
	181	// wxFont
	182	// ----------------------------------------------------------------------------
	183
	184	IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
	185
	186	void wxFont::Init()
	187	{
	188	}
	189
	190	wxFont::wxFont(const wxNativeFontInfo& info)
	191	{
	192	Init();
	193
	194	Create(info.xFontName);
	195	}
	196
	197	bool wxFont::Create(const wxNativeFontInfo& info)
	198	{
	199	return Create(info.xFontName);
	200	}
	201
	202	bool wxFont::Create( int pointSize,
	203	int family,
	204	int style,
	205	int weight,
	206	bool underlined,
	207	const wxString& face,
	208	wxFontEncoding encoding)
	209	{
	210	m_refData = new wxFontRefData(pointSize, family, style, weight,
	211	underlined, face, encoding);
	212
	213	return TRUE;
	214	}
	215
	216	bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
	217	{
	218	if( !fontname )
	219	{
	220	*this = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT);
	221	return TRUE;
	222	}
	223
	224	m_refData = new wxFontRefData();
	225
	226	M_FONTDATA->m_nativeFontInfo.xFontName = fontname; // X font name
	227
	228	wxString tmp;
	229
	230	wxStringTokenizer tn( fontname, wxT("-") );
	231
	232	tn.GetNextToken(); // skip initial empty token
	233	tn.GetNextToken(); // foundry
	234
	235
	236	M_FONTDATA->m_faceName = tn.GetNextToken(); // family
	237
	238	tmp = tn.GetNextToken().MakeUpper(); // weight
	239	if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
	240	if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
	241	if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
	242	if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
	243	if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
	244
	245	if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
	246	if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
	247
	248	tmp = tn.GetNextToken().MakeUpper(); // slant
	249	if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
	250	if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
	251
	252	tn.GetNextToken(); // set width
	253	tn.GetNextToken(); // add. style
	254	tn.GetNextToken(); // pixel size
	255
	256	tmp = tn.GetNextToken(); // pointsize
	257	if (tmp != wxT("*"))
	258	{
	259	long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
	260	M_FONTDATA->m_pointSize = (int)(num / 10);
	261	}
	262
	263	tn.GetNextToken(); // x-res
	264	tn.GetNextToken(); // y-res
	265
	266	tmp = tn.GetNextToken().MakeUpper(); // spacing
	267
	268	if (tmp == wxT("M"))
	269	M_FONTDATA->m_family = wxMODERN;
	270	else if (M_FONTDATA->m_faceName == wxT("TIMES"))
	271	M_FONTDATA->m_family = wxROMAN;
	272	else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
	273	M_FONTDATA->m_family = wxSWISS;
	274	else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
	275	M_FONTDATA->m_family = wxTELETYPE;
	276	else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
	277	M_FONTDATA->m_family = wxDECORATIVE;
	278	else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
	279	M_FONTDATA->m_family = wxSCRIPT;
	280
	281	tn.GetNextToken(); // avg width
	282
	283	// deal with font encoding
	284	M_FONTDATA->m_encoding = enc;
	285	if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
	286	{
	287	wxString registry = tn.GetNextToken().MakeUpper(),
	288	encoding = tn.GetNextToken().MakeUpper();
	289
	290	if ( registry == _T("ISO8859") )
	291	{
	292	int cp;
	293	if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
	294	{
	295	M_FONTDATA->m_encoding =
	296	(wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
	297	}
	298	}
	299	else if ( registry == _T("MICROSOFT") )
	300	{
	301	int cp;
	302	if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
	303	{
	304	M_FONTDATA->m_encoding =
	305	(wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
	306	}
	307	}
	308	else if ( registry == _T("KOI8") )
	309	{
	310	M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
	311	}
	312	//else: unknown encoding - may be give a warning here?
	313	else
	314	return FALSE;
	315	}
	316	return TRUE;
	317	}
	318
	319	void wxFont::Unshare()
	320	{
	321	if (!m_refData)
	322	{
	323	m_refData = new wxFontRefData();
	324	}
	325	else
	326	{
	327	wxFontRefData* ref = new wxFontRefData((wxFontRefData)m_refData);
	328	UnRef();
	329	m_refData = ref;
	330	}
	331	}
	332
	333	wxFont::~wxFont()
	334	{
	335	}
	336
	337	// ----------------------------------------------------------------------------
	338	// accessors
	339	// ----------------------------------------------------------------------------
	340
	341	int wxFont::GetPointSize() const
	342	{
	343	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	344
	345	return M_FONTDATA->m_pointSize;
	346	}
	347
	348	wxString wxFont::GetFaceName() const
	349	{
	350	wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
	351
	352	return M_FONTDATA->m_faceName;
	353	}
	354
	355	int wxFont::GetFamily() const
	356	{
	357	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	358
	359	return M_FONTDATA->m_family;
	360	}
	361
	362	int wxFont::GetStyle() const
	363	{
	364	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	365
	366	return M_FONTDATA->m_style;
	367	}
	368
	369	int wxFont::GetWeight() const
	370	{
	371	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
	372
	373	return M_FONTDATA->m_weight;
	374	}
	375
	376	bool wxFont::GetUnderlined() const
	377	{
	378	wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
	379
	380	return M_FONTDATA->m_underlined;
	381	}
	382
	383
	384	wxFontEncoding wxFont::GetEncoding() const
	385	{
	386	wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
	387
	388	return M_FONTDATA->m_encoding;
	389	}
	390
	391	wxNativeFontInfo *wxFont::GetNativeFontInfo() const
	392	{
	393	wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
	394
	395	if(M_FONTDATA->m_nativeFontInfo.xFontName.IsEmpty())
	396	GetInternalFont();
	397
	398	return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
	399	}
	400
	401
	402	// ----------------------------------------------------------------------------
	403	// change font attributes
	404	// ----------------------------------------------------------------------------
	405
	406	void wxFont::SetPointSize(int pointSize)
	407	{
	408	Unshare();
	409
	410	M_FONTDATA->m_pointSize = pointSize;
	411	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	412	}
	413
	414	void wxFont::SetFamily(int family)
	415	{
	416	Unshare();
	417
	418	M_FONTDATA->m_family = family;
	419	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	420	}
	421
	422	void wxFont::SetStyle(int style)
	423	{
	424	Unshare();
	425
	426	M_FONTDATA->m_style = style;
	427	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	428	}
	429
	430	void wxFont::SetWeight(int weight)
	431	{
	432	Unshare();
	433
	434	M_FONTDATA->m_weight = weight;
	435	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	436	}
	437
	438	void wxFont::SetFaceName(const wxString& faceName)
	439	{
	440	Unshare();
	441
	442	M_FONTDATA->m_faceName = faceName;
	443	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	444	}
	445
	446	void wxFont::SetUnderlined(bool underlined)
	447	{
	448	Unshare();
	449
	450	M_FONTDATA->m_underlined = underlined;
	451	}
	452
	453	void wxFont::SetEncoding(wxFontEncoding encoding)
	454	{
	455	Unshare();
	456
	457	M_FONTDATA->m_encoding = encoding;
	458	M_FONTDATA->m_nativeFontInfo.xFontName.Clear(); // invalid now
	459	}
	460
	461	void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
	462	{
	463	Unshare();
	464
	465	M_FONTDATA->m_nativeFontInfo = info;
	466	}
	467
	468	// ----------------------------------------------------------------------------
	469	// get internal representation of font
	470	// ----------------------------------------------------------------------------
	471
	472	static GdkFont g_systemDefaultGuiFont = (GdkFont) NULL;
	473
	474	GdkFont *GtkGetDefaultGuiFont()
	475	{
	476	if (!g_systemDefaultGuiFont)
	477	{
	478	GtkWidget *widget = gtk_button_new();
	479	GtkStyle *def = gtk_rc_get_style( widget );
	480	if (def)
	481	{
	482	g_systemDefaultGuiFont = gdk_font_ref( def->font );
	483	}
	484	else
	485	{
	486	def = gtk_widget_get_default_style();
	487	if (def)
	488	g_systemDefaultGuiFont = gdk_font_ref( def->font );
	489	}
	490	gtk_widget_destroy( widget );
	491	}
	492	else
	493	{
	494	// already have it, but ref it once more before returning
	495	gdk_font_ref(g_systemDefaultGuiFont);
	496	}
	497
	498	return g_systemDefaultGuiFont;
	499	}
	500
	501	GdkFont *wxFont::GetInternalFont( float scale ) const
	502	{
	503	if (!Ok())
	504	{
	505	wxFAIL_MSG( wxT("invalid font") );
	506
	507	return (GdkFont*) NULL;
	508	}
	509
	510	long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
	511	int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
	512	GdkFont font = (GdkFont ) NULL;
	513
	514	wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
	515	if (node)
	516	{
	517	font = (GdkFont*)node->Data();
	518	}
	519	else
	520	{
	521	if (*this == wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT))
	522	{
	523	font = GtkGetDefaultGuiFont();
	524	}
	525	if (!font)
	526	{
	527	font = wxLoadQueryNearestFont( point_scale,
	528	M_FONTDATA->m_family,
	529	M_FONTDATA->m_style,
	530	M_FONTDATA->m_weight,
	531	M_FONTDATA->m_underlined,
	532	M_FONTDATA->m_faceName,
	533	M_FONTDATA->m_encoding,
	534	&M_FONTDATA->m_nativeFontInfo.xFontName );
	535	}
	536
	537	M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
	538	}
	539
	540	// it's quite useless to make it a wxCHECK because we're going to crash
	541	// anyhow...
	542	wxASSERT_MSG( font, wxT("could not load any font?") );
	543
	544	return font;
	545	}
	546