[wxWidgets.git] / src / x11 / font.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/motif/font.cpp
// Purpose:     wxFont class
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

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

#ifdef __VMS
#pragma message disable nosimpint
#include "wx/vms_x_fix.h"
#endif

#ifdef __VMS
#pragma message enable nosimpint
#endif

#include "wx/defs.h"
#include "wx/string.h"
#include "wx/font.h"
#include "wx/gdicmn.h"
#include "wx/utils.h"       // for wxGetDisplay()
#include "wx/fontutil.h"    // for wxNativeFontInfo
#include "wx/tokenzr.h"
#include "wx/settings.h"
#include "wx/x11/private.h"

IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// For every wxFont, there must be a font for each display and scale requested.
// So these objects are stored in wxFontRefData::m_fonts
class wxXFont : public wxObject
{
public:
    wxXFont();
    ~wxXFont();

    WXFontStructPtr     m_fontStruct;   // XFontStruct
    WXDisplay*          m_display;      // XDisplay
    int                 m_scale;        // Scale * 100
};

class wxFontRefData: public wxGDIRefData
{
friend class wxFont;

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)
    {
        Init(size, family, style, weight, underlined, faceName, encoding);
    }

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

    ~wxFontRefData();

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

    // font attributes
    int           m_pointSize;
    int           m_family;
    int           m_style;
    int           m_weight;
    bool          m_underlined;
    wxString      m_faceName;
    wxFontEncoding m_encoding;

    wxNativeFontInfo m_nativeFontInfo;
    
    // A list of wxXFonts
    wxList        m_fonts;
};

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

// ----------------------------------------------------------------------------
// wxXFont
// ----------------------------------------------------------------------------

wxXFont::wxXFont()
{
    m_fontStruct = (WXFontStructPtr) 0;
    m_display = (WXDisplay*) 0;
    m_scale = 100;
}

wxXFont::~wxXFont()
{
    // TODO: why does freeing the font produce a segv???
    // Note that XFreeFont wasn't called in wxWin 1.68 either.
    // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
    //        XFreeFont((Display*) m_display, fontStruct);
}

// ----------------------------------------------------------------------------
// 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()
{
    wxNode* node = m_fonts.First();
    while (node)
    {
        wxXFont* f = (wxXFont*) node->Data();
        delete f;
        node = node->Next();
    }
    m_fonts.Clear();
}

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

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

    (void)Create(info.GetXFontName());
}

void wxFont::Init()
{
}

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

    RealizeResource();

    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.SetXFontName(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;    
}

wxFont::~wxFont()
{
}

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

void wxFont::Unshare()
{
    // Don't change shared data
    if (!m_refData)
    {
        m_refData = new wxFontRefData();
    }
    else
    {
        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
        UnRef();
        m_refData = ref;
    }
}

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

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

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

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

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

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

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

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

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

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

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

    M_FONTDATA->m_underlined = underlined;
    
    RealizeResource();
}

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

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

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

    M_FONTDATA->m_nativeFontInfo = info;
}

// ----------------------------------------------------------------------------
// query font attributes
// ----------------------------------------------------------------------------

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.GetXFontName().IsEmpty())
        GetInternalFont();

    return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
}

// ----------------------------------------------------------------------------
// real implementation
// ----------------------------------------------------------------------------

// Find an existing, or create a new, XFontStruct
// based on this wxFont and the given scale. Append the
// font to list in the private data for future reference.
wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
{
    if ( !Ok() )
        return (wxXFont *)NULL;

    long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
    int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;

    // search existing fonts first
    wxNode* node = M_FONTDATA->m_fonts.First();
    while (node)
    {
        wxXFont* f = (wxXFont*) node->Data();
        if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
            return f;
        node = node->Next();
    }

    // not found, create a new one
    XFontStruct *font = (XFontStruct *)
                        wxLoadQueryNearestFont(pointSize,
                                               M_FONTDATA->m_family,
                                               M_FONTDATA->m_style,
                                               M_FONTDATA->m_weight,
                                               M_FONTDATA->m_underlined,
                                               wxT(""),
                                               M_FONTDATA->m_encoding);

    if ( !font )
    {
        wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );

        return (wxXFont*) NULL;
    }

    wxXFont* f = new wxXFont;
    f->m_fontStruct = (WXFontStructPtr)font;
    f->m_display = ( display ? display : wxGetDisplay() );
    f->m_scale = intScale;
    M_FONTDATA->m_fonts.Append(f);

    return f;
}

WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
{
    wxXFont* f = GetInternalFont(scale, display);

    return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
}
Commit	Line	Data
83df96d6 JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/motif/font.cpp
	3	// Purpose: wxFont class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	#ifdef __GNUG__
	21	#pragma implementation "font.h"
	22	#endif
	23
	24	#ifdef __VMS
	25	#pragma message disable nosimpint
	26	#include "wx/vms_x_fix.h"
	27	#endif
bc797f4c	28
83df96d6 JS	29	#ifdef __VMS
	30	#pragma message enable nosimpint
	31	#endif
	32
	33	#include "wx/defs.h"
	34	#include "wx/string.h"
	35	#include "wx/font.h"
	36	#include "wx/gdicmn.h"
	37	#include "wx/utils.h" // for wxGetDisplay()
	38	#include "wx/fontutil.h" // for wxNativeFontInfo
	39	#include "wx/tokenzr.h"
	40	#include "wx/settings.h"
8354aa92	41	#include "wx/x11/private.h"
83df96d6 JS	42
	43	IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
	44
	45	// ----------------------------------------------------------------------------
	46	// private classes
	47	// ----------------------------------------------------------------------------
	48
	49	// For every wxFont, there must be a font for each display and scale requested.
	50	// So these objects are stored in wxFontRefData::m_fonts
	51	class wxXFont : public wxObject
	52	{
	53	public:
	54	wxXFont();
	55	~wxXFont();
	56
	57	WXFontStructPtr m_fontStruct; // XFontStruct
83df96d6 JS	58	WXDisplay* m_display; // XDisplay
	59	int m_scale; // Scale * 100
	60	};
	61
	62	class wxFontRefData: public wxGDIRefData
	63	{
	64	friend class wxFont;
	65
	66	public:
	67	wxFontRefData(int size = wxDEFAULT,
	68	int family = wxDEFAULT,
	69	int style = wxDEFAULT,
	70	int weight = wxDEFAULT,
	71	bool underlined = FALSE,
	72	const wxString& faceName = wxEmptyString,
	73	wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
	74	{
	75	Init(size, family, style, weight, underlined, faceName, encoding);
	76	}
	77
	78	wxFontRefData(const wxFontRefData& data)
	79	{
	80	Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
	81	data.m_underlined, data.m_faceName, data.m_encoding);
	82	}
	83
	84	~wxFontRefData();
	85
	86	protected:
	87	// common part of all ctors
	88	void Init(int size,
	89	int family,
	90	int style,
	91	int weight,
	92	bool underlined,
	93	const wxString& faceName,
	94	wxFontEncoding encoding);
	95
	96	// font attributes
	97	int m_pointSize;
	98	int m_family;
	99	int m_style;
	100	int m_weight;
	101	bool m_underlined;
	102	wxString m_faceName;
	103	wxFontEncoding m_encoding;
	104
	105	wxNativeFontInfo m_nativeFontInfo;
	106
	107	// A list of wxXFonts
	108	wxList m_fonts;
	109	};
	110
	111	// ============================================================================
	112	// implementation
	113	// ============================================================================
	114
	115	// ----------------------------------------------------------------------------
	116	// wxXFont
	117	// ----------------------------------------------------------------------------
	118
	119	wxXFont::wxXFont()
	120	{
	121	m_fontStruct = (WXFontStructPtr) 0;
83df96d6 JS	122	m_display = (WXDisplay*) 0;
	123	m_scale = 100;
	124	}
	125
	126	wxXFont::~wxXFont()
	127	{
83df96d6 JS	128	// TODO: why does freeing the font produce a segv???
	129	// Note that XFreeFont wasn't called in wxWin 1.68 either.
	130	// XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
	131	// XFreeFont((Display*) m_display, fontStruct);
	132	}
	133
	134	// ----------------------------------------------------------------------------
	135	// wxFontRefData
	136	// ----------------------------------------------------------------------------
	137
	138	void wxFontRefData::Init(int pointSize,
	139	int family,
	140	int style,
	141	int weight,
	142	bool underlined,
	143	const wxString& faceName,
	144	wxFontEncoding encoding)
	145	{
	146	if (family == wxDEFAULT)
	147	m_family = wxSWISS;
	148	else
	149	m_family = family;
	150
	151	m_faceName = faceName;
	152
	153	if (style == wxDEFAULT)
	154	m_style = wxNORMAL;
	155	else
	156	m_style = style;
	157
	158	if (weight == wxDEFAULT)
	159	m_weight = wxNORMAL;
	160	else
	161	m_weight = weight;
	162
	163	if (pointSize == wxDEFAULT)
	164	m_pointSize = 12;
	165	else
	166	m_pointSize = pointSize;
	167
	168	m_underlined = underlined;
	169	m_encoding = encoding;
	170	}
	171
	172	wxFontRefData::~wxFontRefData()
	173	{
	174	wxNode* node = m_fonts.First();
	175	while (node)
	176	{
	177	wxXFont* f = (wxXFont*) node->Data();
	178	delete f;
	179	node = node->Next();
	180	}
	181	m_fonts.Clear();
	182	}
	183
	184	// ----------------------------------------------------------------------------
	185	// wxFont
	186	// ----------------------------------------------------------------------------
	187
	188	wxFont::wxFont(const wxNativeFontInfo& info)
	189	{
	190	Init();
	191
192	(void)Create(info.GetXFontName());
193	}
194
195	void wxFont::Init()
196	{
197	}
198
199	bool wxFont::Create(int pointSize,
200	int family,
201	int style,
202	int weight,
203	bool underlined,
204	const wxString& faceName,
205	wxFontEncoding encoding)
206	{
207	UnRef();
208	m_refData = new wxFontRefData(pointSize, family, style, weight,
209	underlined, faceName, encoding);
210
211	RealizeResource();
212
213	return TRUE;
214	}
215
216	bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
217	{
218	if( !fontname )
219	{
220	*this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
221	return TRUE;
222	}
223
224	m_refData = new wxFontRefData();
225
226	M_FONTDATA->m_nativeFontInfo.SetXFontName(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	wxFont::~wxFont()
320	{
321	}
322
323	// ----------------------------------------------------------------------------
324	// change the font attributes
325	// ----------------------------------------------------------------------------
326
327	void wxFont::Unshare()
328	{
329	// Don't change shared data
330	if (!m_refData)
331	{
332	m_refData = new wxFontRefData();
333	}
334	else
335	{
336	wxFontRefData* ref = new wxFontRefData((wxFontRefData)m_refData);
337	UnRef();
338	m_refData = ref;
339	}
340	}
341
342	void wxFont::SetPointSize(int pointSize)
343	{
344	Unshare();
345
346	M_FONTDATA->m_pointSize = pointSize;
347	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
348
349	RealizeResource();
350	}
351
352	void wxFont::SetFamily(int family)
353	{
354	Unshare();
355
356	M_FONTDATA->m_family = family;
357	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
358
359	RealizeResource();
360	}
361
362	void wxFont::SetStyle(int style)
363	{
364	Unshare();
365
366	M_FONTDATA->m_style = style;
367	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
368
369	RealizeResource();
370	}
371
372	void wxFont::SetWeight(int weight)
373	{
374	Unshare();
375
376	M_FONTDATA->m_weight = weight;
377	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
378
379	RealizeResource();
380	}
381
382	void wxFont::SetFaceName(const wxString& faceName)
383	{
384	Unshare();
385
386	M_FONTDATA->m_faceName = faceName;
387	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
388
389	RealizeResource();
390	}
391
392	void wxFont::SetUnderlined(bool underlined)
393	{
394	Unshare();
395
396	M_FONTDATA->m_underlined = underlined;
397
398	RealizeResource();
399	}
400
401	void wxFont::SetEncoding(wxFontEncoding encoding)
402	{
403	Unshare();
404
405	M_FONTDATA->m_encoding = encoding;
406	M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
407
408	RealizeResource();
409	}
410
411	void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
412	{
413	Unshare();
414
415	M_FONTDATA->m_nativeFontInfo = info;
416	}
417
418	// ----------------------------------------------------------------------------
419	// query font attributes
420	// ----------------------------------------------------------------------------
421
422	int wxFont::GetPointSize() const
423	{
424	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
425
426	return M_FONTDATA->m_pointSize;
427	}
428
429	wxString wxFont::GetFaceName() const
430	{
431	wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
432
433	return M_FONTDATA->m_faceName ;
434	}
435
436	int wxFont::GetFamily() const
437	{
438	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
439
440	return M_FONTDATA->m_family;
441	}
442
443	int wxFont::GetStyle() const
444	{
445	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
446
447	return M_FONTDATA->m_style;
448	}
449
450	int wxFont::GetWeight() const
451	{
452	wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
453
454	return M_FONTDATA->m_weight;
455	}
456
457	bool wxFont::GetUnderlined() const
458	{
459	wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
460
461	return M_FONTDATA->m_underlined;
462	}
463
464	wxFontEncoding wxFont::GetEncoding() const
465	{
466	wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
467
468	return M_FONTDATA->m_encoding;
469	}
470
471	wxNativeFontInfo *wxFont::GetNativeFontInfo() const
472	{
473	wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
474
475	if(M_FONTDATA->m_nativeFontInfo.GetXFontName().IsEmpty())
476	GetInternalFont();
477
478	return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
479	}
480
481	// ----------------------------------------------------------------------------
482	// real implementation
483	// ----------------------------------------------------------------------------
484
485	// Find an existing, or create a new, XFontStruct
486	// based on this wxFont and the given scale. Append the
487	// font to list in the private data for future reference.
488	wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
489	{
490	if ( !Ok() )
491	return (wxXFont *)NULL;
492
493	long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
494	int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
495
496	// search existing fonts first
497	wxNode* node = M_FONTDATA->m_fonts.First();
498	while (node)
499	{
500	wxXFont* f = (wxXFont*) node->Data();
501	if ((!display \|\| (f->m_display == display)) && (f->m_scale == intScale))
502	return f;
503	node = node->Next();
504	}
505
506	// not found, create a new one
507	XFontStruct font = (XFontStruct )
508	wxLoadQueryNearestFont(pointSize,
509	M_FONTDATA->m_family,
510	M_FONTDATA->m_style,
511	M_FONTDATA->m_weight,
512	M_FONTDATA->m_underlined,
513	wxT(""),
514	M_FONTDATA->m_encoding);
515
516	if ( !font )
517	{
518	wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
519
520	return (wxXFont*) NULL;
521	}
522
523	wxXFont* f = new wxXFont;
524	f->m_fontStruct = (WXFontStructPtr)font;
525	f->m_display = ( display ? display : wxGetDisplay() );
526	f->m_scale = intScale;
83df96d6 JS	527	M_FONTDATA->m_fonts.Append(f);
	528
	529	return f;
	530	}
	531
	532	WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
	533	{
	534	wxXFont* f = GetInternalFont(scale, display);
	535
	536	return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
	537	}
	538