/////////////////////////////////////////////////////////////////////////////
-// Name: unix/fontutil.cpp
+// Name: src/unix/fontutil.cpp
// Purpose: Font helper functions for X11 (GDK/X)
// Author: Vadim Zeitlin
// Modified by:
// Created: 05.11.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #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
#include "pango/pango.h"
#ifdef __WXGTK20__
-#include "wx/gtk/private.h"
+ #include "wx/gtk/private.h"
+ extern GtkWidget *wxGetRootWindow();
+
+ #define wxPANGO_CONV wxGTK_CONV_SYS
+ #define wxPANGO_CONV_BACK wxGTK_CONV_BACK_SYS
#else
-#include "wx/x11/private.h"
+ #include "wx/x11/private.h"
+ #include "wx/gtk/private/string.h"
+
+ #define wxPANGO_CONV(s) (wxConvUTF8.cWX2MB((s)))
+ #define wxPANGO_CONV_BACK(s) (wxConvUTF8.cMB2WX((s)))
#endif
// ----------------------------------------------------------------------------
description = NULL;
}
+void
+wxNativeFontInfo::Init(const wxNativeFontInfo& info)
+{
+ if (info.description)
+ description = pango_font_description_copy(info.description);
+ else
+ description = NULL;
+}
+
+void wxNativeFontInfo::Free()
+{
+ if (description)
+ pango_font_description_free(description);
+}
+
int wxNativeFontInfo::GetPointSize() const
{
return pango_font_description_get_size( description ) / PANGO_SCALE;
wxFontWeight wxNativeFontInfo::GetWeight() const
{
- wxFontWeight m_weight = wxFONTWEIGHT_NORMAL;
+#if 0
+ // We seem to currently initialize only by string.
+ // In that case PANGO_FONT_MASK_WEIGHT is always set.
+ if (!(pango_font_description_get_set_fields(description) & PANGO_FONT_MASK_WEIGHT))
+ return wxFONTWEIGHT_NORMAL;
+#endif
- switch (pango_font_description_get_weight( description ))
- {
- case PANGO_WEIGHT_ULTRALIGHT:
- m_weight = wxFONTWEIGHT_LIGHT;
- break;
- case PANGO_WEIGHT_LIGHT:
- m_weight = wxFONTWEIGHT_LIGHT;
- break;
- case PANGO_WEIGHT_NORMAL:
- m_weight = wxFONTWEIGHT_NORMAL;
- break;
- case PANGO_WEIGHT_BOLD:
- m_weight = wxFONTWEIGHT_BOLD;
- break;
- case PANGO_WEIGHT_ULTRABOLD:
- m_weight = wxFONTWEIGHT_BOLD;
- break;
- case PANGO_WEIGHT_HEAVY:
- m_weight = wxFONTWEIGHT_BOLD;
- break;
- }
+ PangoWeight pango_weight = pango_font_description_get_weight( description );
+
+ // Until the API can be changed the following ranges of weight values are used:
+ // wxFONTWEIGHT_LIGHT: 100 .. 349 - range of 250
+ // wxFONTWEIGHT_NORMAL: 350 .. 599 - range of 250
+ // wxFONTWEIGHT_BOLD: 600 .. 900 - range of 301 (600 is "semibold" already)
- return m_weight;
+ if (pango_weight >= 600)
+ return wxFONTWEIGHT_BOLD;
+
+ if (pango_weight < 350)
+ return wxFONTWEIGHT_LIGHT;
+
+ return wxFONTWEIGHT_NORMAL;
}
bool wxNativeFontInfo::GetUnderlined() const
{
- return FALSE;
+ return false;
}
wxString wxNativeFontInfo::GetFaceName() const
{
- wxString tmp = wxGTK_CONV_BACK( pango_font_description_get_family( description ) );
-
- return tmp;
+ return wxPANGO_CONV_BACK(pango_font_description_get_family(description));
}
wxFontFamily wxNativeFontInfo::GetFamily() const
{
- return wxFONTFAMILY_SWISS;
+ wxFontFamily ret = wxFONTFAMILY_DEFAULT;
+ // 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"
+ else if (strncmp( family_text, "courier", 7 ) == 0)
+ ret = wxFONTFAMILY_TELETYPE; // begins with "Courier"
+#if defined(__WXGTK20__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE)
+ else
+#ifdef __WXGTK20__
+ if (!gtk_check_version(2,4,0))
+#endif
+ {
+ PangoFontFamily **families;
+ PangoFontFamily *family = NULL;
+ int n_families;
+ pango_context_list_families(
+#ifdef __WXGTK20__
+ gtk_widget_get_pango_context( wxGetRootWindow() ),
+#else
+ wxTheApp->GetPangoContext(),
+#endif
+ &families, &n_families);
+
+ for (int i = 0;i < n_families;++i)
+ {
+ if (g_ascii_strcasecmp(pango_font_family_get_name( families[i] ), pango_font_description_get_family( description )) == 0 )
+ {
+ family = families[i];
+ break;
+ }
+ }
+
+ g_free(families);
+
+ // 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
+
+ if (family != NULL && pango_font_family_is_monospace( family ))
+ ret = wxFONTFAMILY_TELETYPE; // is deemed a monospace font by pango
+ }
+#endif // GTK+ 2 || HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE
+
+ if (ret == wxFONTFAMILY_DEFAULT)
+ {
+ if (strstr( family_text, "sans" ) != NULL) // checked before serif, so that "* Sans Serif" fonts are detected correctly
+ ret = wxFONTFAMILY_SWISS; // contains "Sans"
+ else if (strstr( family_text, "serif" ) != NULL)
+ ret = wxFONTFAMILY_ROMAN; // contains "Serif"
+ else if (strncmp( family_text, "times", 5 ) == 0)
+ ret = wxFONTFAMILY_ROMAN; // begins with "Times"
+ else if (strncmp( family_text, "old", 3 ) == 0)
+ ret = wxFONTFAMILY_DECORATIVE; // Begins with "Old" - "Old English", "Old Town"
+ }
+
+ return ret;
}
wxFontEncoding wxNativeFontInfo::GetEncoding() const
return wxFONTENCODING_SYSTEM;
}
-bool wxNativeFontInfo::FromString(const wxString& s)
+
+void wxNativeFontInfo::SetPointSize(int pointsize)
{
- if (description)
- pango_font_description_free( description );
+ pango_font_description_set_size( description, pointsize * PANGO_SCALE );
+}
- description = pango_font_description_from_string( wxGTK_CONV( s ) );
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+ switch (style)
+ {
+ case wxFONTSTYLE_ITALIC:
+ pango_font_description_set_style( description, PANGO_STYLE_ITALIC );
+ break;
+ case wxFONTSTYLE_SLANT:
+ pango_font_description_set_style( description, PANGO_STYLE_OBLIQUE );
+ break;
+ default:
+ wxFAIL_MSG( _T("unknown font style") );
+ // fall through
+ case wxFONTSTYLE_NORMAL:
+ pango_font_description_set_style( description, PANGO_STYLE_NORMAL );
+ break;
+ }
+}
- return TRUE;
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ switch (weight)
+ {
+ case wxFONTWEIGHT_BOLD:
+ pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
+ break;
+ case wxFONTWEIGHT_LIGHT:
+ pango_font_description_set_weight(description, PANGO_WEIGHT_LIGHT);
+ break;
+ default:
+ wxFAIL_MSG( _T("unknown font weight") );
+ // fall through
+ case wxFONTWEIGHT_NORMAL:
+ pango_font_description_set_weight(description, PANGO_WEIGHT_NORMAL);
+ }
}
-wxString wxNativeFontInfo::ToString() const
+void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
{
- char *str = pango_font_description_to_string( description );
- wxString tmp = wxGTK_CONV_BACK( str );
- g_free( str );
+ wxFAIL_MSG( _T("not implemented") );
+}
- return tmp;
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+ pango_font_description_set_family(description, wxPANGO_CONV(facename));
+ return true;
}
-bool wxNativeFontInfo::FromUserString(const wxString& s)
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
{
- return FromString( s );
+ wxFAIL_MSG( _T("not implemented") );
}
-wxString wxNativeFontInfo::ToUserString() const
+void wxNativeFontInfo::SetEncoding(wxFontEncoding WXUNUSED(encoding))
{
- return ToString();
+ wxFAIL_MSG( _T("not implemented") );
}
-// ----------------------------------------------------------------------------
-// wxNativeEncodingInfo
-// ----------------------------------------------------------------------------
-bool wxNativeEncodingInfo::FromString(const wxString& s)
+
+bool wxNativeFontInfo::FromString(const wxString& s)
{
- return FALSE;
+ if (description)
+ pango_font_description_free( description );
+
+ // 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(wxPANGO_CONV(str));
+
+#if wxUSE_FONTENUM
+ // ensure a valid facename is selected
+ if (!wxFontEnumerator::IsValidFacename(GetFaceName()))
+ SetFaceName(wxNORMAL_FONT->GetFaceName());
+#endif // wxUSE_FONTENUM
+
+ return true;
}
-wxString wxNativeEncodingInfo::ToString() const
+wxString wxNativeFontInfo::ToString() const
{
- return wxEmptyString;
+ wxGtkString str(pango_font_description_to_string( description ));
+
+ return wxPANGO_CONV_BACK(str);
}
-bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
+bool wxNativeFontInfo::FromUserString(const wxString& s)
{
- return TRUE;
+ return FromString( s );
}
-bool wxGetNativeFontEncoding(wxFontEncoding encoding,
- wxNativeEncodingInfo *info)
+wxString wxNativeFontInfo::ToUserString() const
{
- return FALSE;
+ return ToString();
}
#else // GTK+ 1.x
#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
// private data
// ----------------------------------------------------------------------------
-static wxHashTable *g_fontHash = (wxHashTable*) NULL;
+static wxHashTable *g_fontHash = NULL;
// ----------------------------------------------------------------------------
// private functions
#elif defined(__WXGTK__)
wxNativeFont wxLoadFont(const wxString& fontSpec)
{
- return gdk_font_load( wxConvertWX2MB(fontSpec) );
+ // VZ: we should use gdk_fontset_load() instead of gdk_font_load()
+ // here to be able to display Japanese fonts correctly (at least
+ // this is what people report) but unfortunately doing it results
+ // in tons of warnings when using GTK with "normal" European
+ // languages and so we can't always do it and I don't know enough
+ // to determine when should this be done... (FIXME)
+ return gdk_font_load( wxConvertWX2MB(fontSpec) );
}
inline void wxFreeFont(wxNativeFont font)
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;
}
- fontElements[n] = tokenizer.GetNextToken();
+ fontElements[n] = field;
}
// this should be all
if ( tokenizer.HasMoreTokens() )
- return FALSE;
+ return false;
- // we're initialized now
- m_isDefault = FALSE;
-
- return TRUE;
+ return true;
}
wxString wxNativeFontInfo::GetXFontName() const
xFontName = xFontName_;
- m_isDefault = FALSE;
+ m_isDefault = false;
}
int wxNativeFontInfo::GetPointSize() const
return wxFONTSTYLE_NORMAL;
}
- switch ( s[0] )
+ switch ( s[0].GetValue() )
{
default:
// again, unknown but consider normal by default
bool wxNativeFontInfo::GetUnderlined() const
{
// X fonts are never underlined
- return FALSE;
+ return false;
}
wxString wxNativeFontInfo::GetFaceName() const
{
- // wxWindows facename probably more accurately corresponds to X family
+ // wxWidgets facename probably more accurately corresponds to X family
return GetXFontComponent(wxXLFD_FAMILY);
}
wxFontFamily wxNativeFontInfo::GetFamily() const
{
- // and wxWindows family -- to X foundry, but we have to translate it to
+ // and wxWidgets family -- to X foundry, but we have to translate it to
// wxFontFamily somehow...
wxFAIL_MSG(_T("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY);
// 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 )
{
break;
case wxFONTENCODING_GB2312:
- info->xregistry = wxT("GB2312"); // or the otherway round?
+ info->xregistry = wxT("GB2312"); // or the otherway round?
info->xencoding = wxT("*");
break;
case wxFONTENCODING_KOI8:
+ case wxFONTENCODING_KOI8_U:
info->xregistry = wxT("koi8");
// we don't make distinction between koi8-r, koi8-u and koi8-ru (so far)
}
break;
+ case wxFONTENCODING_EUC_JP:
+ case wxFONTENCODING_SHIFT_JIS:
+ info->xregistry = "jis*";
+ info->xencoding = "*";
+ break;
+
case wxFONTENCODING_SYSTEM:
info->xregistry =
info->xencoding = wxT("*");
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.
*xFontName = newFontName;
}
- // try to load exactly the font requested first
- if( !font )
- {
- font = wxLoadQueryFont( pointSize, family, style, weight,
- underlined, facename,
- info.xregistry, info.xencoding,
- xFontName );
- }
-
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;
+ int i, round; // counters
+
+ // first round: search for equal, then for smaller and for larger size with the given weight and style
+ int testweight = weight;
+ int teststyle = style;
- // Search for smaller size (approx.)
- for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 )
+ for ( round = 0; round < 3; round++ )
{
- font = wxLoadQueryFont(i, family, style, weight, underlined,
+ // second round: use normal weight
+ if ( round == 1 )
+ {
+ if ( testweight != wxNORMAL )
+ {
+ testweight = wxNORMAL;
+ }
+ else
+ {
+ ++round; // fall through to third round
+ }
+ }
+
+ // third round: ... and use normal style
+ if ( round == 2 )
+ {
+ if ( teststyle != wxNORMAL )
+ {
+ teststyle = wxNORMAL;
+ }
+ else
+ {
+ break;
+ }
+ }
+ // Search for equal or smaller size (approx.)
+ for ( i = pointSize; !font && i >= 10 && i >= min_size; i -= 10 )
+ {
+ font = wxLoadQueryFont(i, family, teststyle, testweight, underlined,
facename, info.xregistry, info.xencoding,
xFontName);
- }
+ }
- // Search for larger size (approx.)
- for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
- {
- font = wxLoadQueryFont(i, family, style, weight, underlined,
+ // Search for larger size (approx.)
+ for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
+ {
+ font = wxLoadQueryFont(i, family, teststyle, testweight, underlined,
facename, info.xregistry, info.xencoding,
xFontName);
+ }
}
// Try default family
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()
{
delete g_fontHash;
- g_fontHash = (wxHashTable *)NULL;
+ g_fontHash = NULL;
}
#endif // GTK 2.0/1.x
-
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