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)
{
    xFontName = s;
    return TRUE;
}

wxString wxNativeFontInfo::ToString() const
{
    return xFontName;
}

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

IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)

void wxFont::Init()
{
    if (wxTheFontList)
        wxTheFontList->Append( this );
}

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

    Create(info.ToString());
}

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()
{
    if (wxTheFontList)
        wxTheFontList->DeleteObject( this );
}

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