/////////////////////////////////////////////////////////////////////////////
-// Name: unix/fontutil.cpp
+// Name: src/unix/fontutil.cpp
// Purpose: Font helper functions for X11 (GDK/X)
// Author: Vadim Zeitlin
// Modified by:
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "fontutil.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/fontutil.h"
+
#ifndef WX_PRECOMP
+ #include "wx/app.h"
#include "wx/font.h" // wxFont enums
#include "wx/encinfo.h"
+ #include "wx/hash.h"
+ #include "wx/utils.h" // for wxGetDisplay()
+ #include "wx/module.h"
#endif // PCH
-#include "wx/fontutil.h"
#include "wx/fontmap.h"
#include "wx/tokenzr.h"
-#include "wx/hash.h"
-#include "wx/module.h"
+#include "wx/fontenum.h"
#if wxUSE_PANGO
bool wxNativeFontInfo::GetUnderlined() const
{
- return FALSE;
+ return false;
}
wxString wxNativeFontInfo::GetFaceName() const
wxFontFamily wxNativeFontInfo::GetFamily() const
{
wxFontFamily ret = wxFONTFAMILY_DEFAULT;
- char *family_text = g_ascii_strdown( pango_font_description_get_family( description ), -1 );
+ // note: not passing -1 as the 2nd parameter to g_ascii_strdown to work
+ // around a bug in the 64-bit glib shipped with solaris 10, -1 causes it
+ // to try to allocate 2^32 bytes.
+ const char *family_name = pango_font_description_get_family( description );
+ if ( !family_name )
+ return ret;
+
+ wxGtkString family_text(g_ascii_strdown(family_name, strlen(family_name)));
+
// Check for some common fonts, to salvage what we can from the current win32 centric wxFont API:
if (strncmp( family_text, "monospace", 9 ) == 0)
ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace"
g_free(families);
- wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );
+ // Some gtk+ systems might query for a non-existing font from wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)
+ // on initialization, don't assert until wxSystemSettings::GetFont is checked for this - MR
+ // wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );
//BCI: Cache the wxFontFamily inside the class. Validate cache with
//BCI: g_ascii_strcasecmp(pango_font_description_get_family(description), pango_font_family_get_name(family)) == 0
ret = wxFONTFAMILY_DECORATIVE; // Begins with "Old" - "Old English", "Old Town"
}
- free(family_text);
return ret;
}
wxFAIL_MSG( _T("not implemented") );
}
-void wxNativeFontInfo::SetFaceName(wxString facename)
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
{
- pango_font_description_set_family( description, wxGTK_CONV(facename) );
+ pango_font_description_set_family(description, wxGTK_CONV_SYS(facename));
+ return true;
}
void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
if (description)
pango_font_description_free( description );
- description = pango_font_description_from_string( wxGTK_CONV( s ) );
+ // there is a bug in at least pango <= 1.13 which makes it (or its backends)
+ // segfault for very big point sizes and for negative point sizes.
+ // To workaround that bug for pango <= 1.13
+ // (see http://bugzilla.gnome.org/show_bug.cgi?id=340229)
+ // we do the check on the size here using same (arbitrary) limits used by
+ // pango > 1.13. Note that the segfault could happen also for pointsize
+ // smaller than this limit !!
+ wxString str(s);
+ const size_t pos = str.find_last_of(_T(" "));
+ double size;
+ if ( pos != wxString::npos && wxString(str, pos + 1).ToDouble(&size) )
+ {
+ wxString sizeStr;
+ if ( size < 1 )
+ sizeStr = _T("1");
+ else if ( size >= 1E6 )
+ sizeStr = _T("1E6");
+
+ if ( !sizeStr.empty() )
+ {
+ // replace the old size with the adjusted one
+ str = wxString(s, 0, pos) + sizeStr;
+ }
+ }
+
+ description = pango_font_description_from_string( wxGTK_CONV_SYS( str ) );
- return TRUE;
+ // ensure a valid facename is selected
+ if (!wxFontEnumerator::IsValidFacename(GetFaceName()))
+ SetFaceName(wxNORMAL_FONT->GetFaceName());
+
+ return true;
}
wxString wxNativeFontInfo::ToString() const
{
- char *str = pango_font_description_to_string( description );
- wxString tmp = wxGTK_CONV_BACK( str );
- g_free( str );
+ wxGtkString str(pango_font_description_to_string( description ));
- return tmp;
+ return wxGTK_CONV_BACK(str);
}
bool wxNativeFontInfo::FromUserString(const wxString& s)
// wxNativeEncodingInfo
// ----------------------------------------------------------------------------
-bool wxNativeEncodingInfo::FromString(const wxString& s)
+bool wxNativeEncodingInfo::FromString(const wxString& WXUNUSED(s))
{
- return FALSE;
+ return false;
}
wxString wxNativeEncodingInfo::ToString() const
return wxEmptyString;
}
-bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
+bool wxTestFontEncoding(const wxNativeEncodingInfo& WXUNUSED(info))
{
- return TRUE;
+ return true;
}
bool wxGetNativeFontEncoding(wxFontEncoding encoding,
wxNativeEncodingInfo *info)
{
- // we *must* return true for default encoding as otherwise wxFontMapper
- // considers that we can't load any font and aborts with wxLogFatalError!
- if ( encoding == wxFONTENCODING_SYSTEM )
- {
- info->facename.clear();
- info->encoding = wxFONTENCODING_SYSTEM;
- }
+ // all encodings are available in GTK+ 2 because we translate text in any
+ // encoding to UTF-8 internally anyhow
+ info->facename.clear();
+ info->encoding = encoding;
- // pretend that we support everything, it's better than to always return
- // false as the old code did
return true;
}
#pragma message enable nosimpint
#endif
- #include "wx/utils.h" // for wxGetDisplay()
#elif defined(__WXGTK__)
// we have to declare struct tm to avoid problems with first forward
// declaring it in C code (glib.h included from gdk.h does it) and then
wxString encid = tokenizer.GetNextToken();
long enc;
if ( !encid.ToLong(&enc) )
- return FALSE;
+ return false;
encoding = (wxFontEncoding)enc;
xregistry = tokenizer.GetNextToken();
if ( !xregistry )
- return FALSE;
+ return false;
xencoding = tokenizer.GetNextToken();
if ( !xencoding )
- return FALSE;
+ return false;
// ok even if empty
facename = tokenizer.GetNextToken();
- return TRUE;
+ return true;
}
wxString wxNativeEncodingInfo::ToString() const
{
wxString s;
s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding;
- if ( !!facename )
+ if ( !facename.empty() )
{
s << _T(';') << facename;
}
void wxNativeFontInfo::Init()
{
- m_isDefault = TRUE;
+ m_isDefault = true;
}
bool wxNativeFontInfo::FromString(const wxString& s)
// check the version
wxString token = tokenizer.GetNextToken();
if ( token != _T('0') )
- return FALSE;
+ return false;
xFontName = tokenizer.GetNextToken();
// this should be the end
if ( tokenizer.HasMoreTokens() )
- return FALSE;
+ return false;
return FromXFontName(xFontName);
}
wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
{
- wxCHECK_MSG( field < wxXLFD_MAX, _T(""), _T("invalid XLFD field") );
+ wxCHECK_MSG( field < wxXLFD_MAX, wxEmptyString, _T("invalid XLFD field") );
if ( !HasElements() )
{
// const_cast
if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
- return _T("");
+ return wxEmptyString;
}
return fontElements[field];
// skip the leading, usually empty field (font name registry)
if ( !tokenizer.HasMoreTokens() )
- return FALSE;
+ return false;
(void)tokenizer.GetNextToken();
if ( !tokenizer.HasMoreTokens() )
{
// not enough elements in the XLFD - or maybe an alias
- return FALSE;
+ return false;
}
wxString field = tokenizer.GetNextToken();
if ( !field.empty() && field != _T('*') )
{
// we're really initialized now
- m_isDefault = FALSE;
+ m_isDefault = false;
}
fontElements[n] = field;
// this should be all
if ( tokenizer.HasMoreTokens() )
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
wxString wxNativeFontInfo::GetXFontName() const
xFontName = xFontName_;
- m_isDefault = FALSE;
+ m_isDefault = false;
}
int wxNativeFontInfo::GetPointSize() const
bool wxNativeFontInfo::GetUnderlined() const
{
// X fonts are never underlined
- return FALSE;
+ return false;
}
wxString wxNativeFontInfo::GetFaceName() const
// can't do this under X
}
-void wxNativeFontInfo::SetFaceName(wxString facename)
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
{
SetXFontComponent(wxXLFD_FAMILY, facename);
+ return true;
}
-void wxNativeFontInfo::SetFamily(wxFontFamily family)
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
{
// wxFontFamily -> X foundry, anyone?
wxFAIL_MSG( _T("not implemented") );
bool wxGetNativeFontEncoding(wxFontEncoding encoding,
wxNativeEncodingInfo *info)
{
- wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
+ wxCHECK_MSG( info, false, _T("bad pointer in wxGetNativeFontEncoding") );
if ( encoding == wxFONTENCODING_DEFAULT )
{
default:
// don't know how to translate this encoding into X fontspec
- return FALSE;
+ return false;
}
info->encoding = encoding;
- return TRUE;
+ return true;
}
bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
wxNativeFont font = 0;
// if we already have the X font name, try to use it
- if( xFontName && !xFontName->IsEmpty() )
+ if( xFontName && !xFontName->empty() )
{
//
// Make sure point size is correct for scale factor.
if ( !font )
{
font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,
- FALSE, wxEmptyString,
+ false, wxEmptyString,
info.xregistry, info.xencoding,
xFontName);
font = wxLoadQueryFont(-1,
wxDEFAULT, wxNORMAL, wxNORMAL,
- FALSE, wxEmptyString,
+ false, wxEmptyString,
_T("*"), _T("*"),
xFontName);
}
// private functions
// ----------------------------------------------------------------------------
-// returns TRUE if there are any fonts matching this font spec
+// returns true if there are any fonts matching this font spec
static bool wxTestFontSpec(const wxString& fontspec)
{
// some X servers will fail to load this font because there are too many
// matches so we must test explicitly for this
if ( fontspec == _T("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
{
- return TRUE;
+ return true;
}
wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
if (test)
{
- return TRUE;
+ return true;
}
test = wxLoadFont(fontspec);
{
wxFreeFont(test);
- return TRUE;
+ return true;
}
else
{
- return FALSE;
+ return false;
}
}
#else
wxString fontSpec;
- if (!facename.IsEmpty())
+ if (!facename.empty())
{
fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
facename.c_str());
{
g_fontHash = new wxHashTable( wxKEY_STRING );
- return TRUE;
+ return true;
}
void wxFontModule::OnExit()
}
#endif // GTK 2.0/1.x
-
projects / wxWidgets.git / blobdiff