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wxMotif::wxFont supports encodings too (and shares 99% of font code with wxGTK)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3779 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-01 14:59:52 +00:00
parent d391a34510
commit 93ccaed869
14 changed files with 569 additions and 729 deletions
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246
src/unix/utilsunx.cpp
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@@ -569,3 +569,249 @@ void wxFatalError( const wxString &msg, const wxString &title )
wxFprintf( stderr, _T(".\n") );
exit(3); // the same exit code as for abort()
}
// ----------------------------------------------------------------------------
// font-related functions
// ----------------------------------------------------------------------------
// define the functions to create and destroy native fonts for this toolkit
#ifdef __X__
static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
{
return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
}
static inline void wxFreeFont(wxNativeFont font)
{
XFreeFont((Display *)wxGetDisplay(), font);
}
#elif defined(__WXGTK__)
static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
{
return gdk_font_load( wxConvCurrent->cWX2MB(fontSpec) );
}
static inline void wxFreeFont(wxNativeFont font)
{
gdk_font_unref(font);
}
#else
#error "Unknown GUI toolkit"
#endif
// returns TRUE if there are any fonts matching this font spec
static bool wxTestFontSpec(const wxString& fontspec)
{
wxNativeFont test = wxLoadFont(fontspec);
if ( test )
{
wxFreeFont(test);
return TRUE;
}
else
{
return FALSE;
}
}
// TODO encoding test logic should be moved to wxLoadQueryNearestFont()
static wxNativeFont wxLoadQueryFont(int pointSize,
int family,
int style,
int weight,
bool WXUNUSED(underlined),
const wxString &facename,
wxFontEncoding encoding )
{
wxString xfamily;
switch (family)
{
case wxDECORATIVE: xfamily = _T("lucida"); break;
case wxROMAN: xfamily = _T("times"); break;
case wxMODERN: xfamily = _T("courier"); break;
case wxSWISS: xfamily = _T("helvetica"); break;
case wxTELETYPE: xfamily = _T("lucidatypewriter"); break;
case wxSCRIPT: xfamily = _T("utopia"); break;
default: xfamily = _T("*");
}
wxString fontSpec;
if (!facename.IsEmpty())
{
fontSpec.Printf(_T("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
facename.c_str());
if ( wxTestFontSpec(fontSpec) )
{
xfamily = facename;
}
//else: no such family, use default one instead
}
wxString xstyle;
switch (style)
{
case wxITALIC: xstyle = _T("i"); break;
case wxSLANT: xstyle = _T("o"); break;
case wxNORMAL: xstyle = _T("r"); break;
default: xstyle = _T("*"); break;
}
wxString xweight;
switch (weight)
{
case wxBOLD: xweight = _T("bold"); break;
case wxLIGHT:
case wxNORMAL: xweight = _T("medium"); break;
default: xweight = _T("*"); break;
}
wxString xregistry, xencoding;
if ( encoding == wxFONTENCODING_DEFAULT )
{
// use the apps default
encoding = wxFont::GetDefaultEncoding();
}
bool test = TRUE; // should we test for availability of encoding?
switch ( encoding )
{
case wxFONTENCODING_ISO8859_1:
case wxFONTENCODING_ISO8859_2:
case wxFONTENCODING_ISO8859_3:
case wxFONTENCODING_ISO8859_4:
case wxFONTENCODING_ISO8859_5:
case wxFONTENCODING_ISO8859_6:
case wxFONTENCODING_ISO8859_7:
case wxFONTENCODING_ISO8859_8:
case wxFONTENCODING_ISO8859_9:
case wxFONTENCODING_ISO8859_10:
case wxFONTENCODING_ISO8859_11:
case wxFONTENCODING_ISO8859_13:
case wxFONTENCODING_ISO8859_14:
case wxFONTENCODING_ISO8859_15:
{
int cp = encoding - wxFONTENCODING_ISO8859_1 + 1;
xregistry = _T("iso8859");
xencoding.Printf(_T("%d"), cp);
}
break;
case wxFONTENCODING_KOI8:
xregistry = _T("koi8");
if ( wxTestFontSpec(_T("-*-*-*-*-*-*-*-*-*-*-*-*-koi8-1")) )
{
xencoding = _T("1");
// test passed, no need to do it once more
test = FALSE;
}
else
{
xencoding = _T("*");
}
break;
case wxFONTENCODING_CP1250:
case wxFONTENCODING_CP1251:
case wxFONTENCODING_CP1252:
{
int cp = encoding - wxFONTENCODING_CP1250 + 1250;
fontSpec.Printf(_T("-*-*-*-*-*-*-*-*-*-*-*-*-microsoft-cp%d"),
cp);
if ( wxTestFontSpec(fontSpec) )
{
xregistry = _T("microsoft");
xencoding.Printf(_T("cp%d"), cp);
// test passed, no need to do it once more
test = FALSE;
}
else
{
// fall back to LatinX
xregistry = _T("iso8859");
xencoding.Printf(_T("%d"), cp - 1249);
}
}
break;
case wxFONTENCODING_SYSTEM:
default:
test = FALSE;
xregistry =
xencoding = _T("*");
}
if ( test )
{
fontSpec.Printf(_T("-*-*-*-*-*-*-*-*-*-*-*-*-%s-%s"),
xregistry.c_str(), xencoding.c_str());
if ( !wxTestFontSpec(fontSpec) )
{
// this encoding isn't available - what to do?
xregistry =
xencoding = _T("*");
}
}
// construct the X font spec from our data
fontSpec.Printf(_T("-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-%s-%s"),
xfamily.c_str(), xweight.c_str(), xstyle.c_str(),
pointSize, xregistry.c_str(), xencoding.c_str());
return wxLoadFont(fontSpec);
}
wxNativeFont wxLoadQueryNearestFont(int pointSize,
int family,
int style,
int weight,
bool underlined,
const wxString &facename,
wxFontEncoding encoding)
{
wxNativeFont font = wxLoadQueryFont( pointSize, family, style, weight,
underlined, facename, encoding );
if (!font)
{
// search up and down by stepsize 10
int max_size = pointSize + 20 * (1 + (pointSize/180));
int min_size = pointSize - 20 * (1 + (pointSize/180));
int i;
// Search for smaller size (approx.)
for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 )
{
font = wxLoadQueryFont(i, family, style, weight, underlined,
facename, encoding );
}
// Search for larger size (approx.)
for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
{
font = wxLoadQueryFont( i, family, style, weight, underlined,
facename, encoding );
}
// Try default family
if ( !font && family != wxDEFAULT )
{
font = wxLoadQueryFont( pointSize, wxDEFAULT, style, weight,
underlined, facename, encoding );
}
// Bogus font
if ( !font )
{
font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
underlined, facename, encoding );
}
}
return font;
}