/////////////////////////////////////////////////////////////////////////////
-// Name: unix/fontutil.cpp
-// Purpose: Font helper functions for X11 (GDK/X)
+// Name: src/unix/fontutil.cpp
+// Purpose: Font helper functions for wxX11, wxGTK, wxMotif
// 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/hash.h"
+ #include "wx/utils.h" // for wxGetDisplay()
+ #include "wx/module.h"
#endif // PCH
-#include "wx/fontutil.h"
+#include "wx/encinfo.h"
#include "wx/fontmap.h"
#include "wx/tokenzr.h"
+#include "wx/fontenum.h"
+
+#if wxUSE_PANGO
+
+#include "pango/pango.h"
+
+#ifdef __WXGTK20__
+ #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/gtk/private/string.h"
+
+ #define wxPANGO_CONV(s) s.utf8_str()
+ #define wxPANGO_CONV_BACK(s) wxString::FromUTF8Unchecked(s)
+#endif
+
+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+void wxNativeFontInfo::Init()
+{
+ description = NULL;
+ m_underlined = false;
+ m_strikethrough = false;
+}
+
+void wxNativeFontInfo::Init(const wxNativeFontInfo& info)
+{
+ if (info.description)
+ {
+ description = pango_font_description_copy(info.description);
+ m_underlined = info.GetUnderlined();
+ m_strikethrough = info.GetStrikethrough();
+ }
+ else
+ {
+ description = NULL;
+ m_underlined = false;
+ m_strikethrough = false;
+ }
+}
+
+void wxNativeFontInfo::Free()
+{
+ if (description)
+ pango_font_description_free(description);
+}
+
+int wxNativeFontInfo::GetPointSize() const
+{
+ return pango_font_description_get_size( description ) / PANGO_SCALE;
+}
+
+wxFontStyle wxNativeFontInfo::GetStyle() const
+{
+ wxFontStyle m_style = wxFONTSTYLE_NORMAL;
+
+ switch (pango_font_description_get_style( description ))
+ {
+ case PANGO_STYLE_NORMAL:
+ m_style = wxFONTSTYLE_NORMAL;
+ break;
+ case PANGO_STYLE_ITALIC:
+ m_style = wxFONTSTYLE_ITALIC;
+ break;
+ case PANGO_STYLE_OBLIQUE:
+ m_style = wxFONTSTYLE_SLANT;
+ break;
+ }
+
+ return m_style;
+}
+
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+ // 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;
+
+ 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)
+
+ if (pango_weight >= 600)
+ return wxFONTWEIGHT_BOLD;
+
+ if (pango_weight < 350)
+ return wxFONTWEIGHT_LIGHT;
+
+ return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
+{
+ return m_underlined;
+}
+
+bool wxNativeFontInfo::GetStrikethrough() const
+{
+ return m_strikethrough;
+}
+
+wxString wxNativeFontInfo::GetFaceName() const
+{
+ // the Pango "family" is the wx "face name"
+ return wxPANGO_CONV_BACK(pango_font_description_get_family(description));
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+ wxFontFamily ret = wxFONTFAMILY_UNKNOWN;
+
+ const char *family_name = pango_font_description_get_family( description );
+
+ // 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.
+ 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 (wxStrnicmp( family_text, "monospace", 9 ) == 0)
+ ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace"
+ else if (wxStrnicmp( family_text, "courier", 7 ) == 0)
+ ret = wxFONTFAMILY_TELETYPE; // begins with "Courier"
+#if defined(__WXGTK20__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE)
+ else
+ {
+ 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, "No appropriate PangoFontFamily found for ::description" );
+
+ 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_UNKNOWN)
+ {
+ if (strstr( family_text, "sans" ) != NULL || 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 || strstr( family_text, "Serif" ) != NULL)
+ ret = wxFONTFAMILY_ROMAN; // contains "Serif"
+ else if (wxStrnicmp( family_text, "times", 5 ) == 0)
+ ret = wxFONTFAMILY_ROMAN; // begins with "Times"
+ else if (wxStrnicmp( family_text, "old", 3 ) == 0)
+ ret = wxFONTFAMILY_DECORATIVE; // begins with "Old" - "Old English", "Old Town"
+ }
+
+ return ret;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+ return wxFONTENCODING_SYSTEM;
+}
+
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+ pango_font_description_set_size( description, pointsize * PANGO_SCALE );
+}
+
+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( "unknown font style" );
+ // fall through
+ case wxFONTSTYLE_NORMAL:
+ pango_font_description_set_style( description, PANGO_STYLE_NORMAL );
+ break;
+ }
+}
+
+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( "unknown font weight" );
+ // fall through
+ case wxFONTWEIGHT_NORMAL:
+ pango_font_description_set_weight(description, PANGO_WEIGHT_NORMAL);
+ }
+}
+
+void wxNativeFontInfo::SetUnderlined(bool underlined)
+{
+ // Pango doesn't have the underlined attribute so we store it separately
+ // (and handle it specially in wxWindowDCImpl::DoDrawText()).
+ m_underlined = underlined;
+}
+
+void wxNativeFontInfo::SetStrikethrough(bool strikethrough)
+{
+ // As with the underlined attribute above, we handle this one separately as
+ // Pango doesn't support it as part of the font description.
+ m_strikethrough = strikethrough;
+}
+
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+ pango_font_description_set_family(description, wxPANGO_CONV(facename));
+
+ // we return true because Pango doesn't tell us if the call failed or not;
+ // instead on wxGTK wxFont::SetFaceName() will call wxFontBase::SetFaceName()
+ // which does the check
+ return true;
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+ wxArrayString facename;
+
+ // the list of fonts associated with a family was partially
+ // taken from http://www.codestyle.org/css/font-family
+
+ switch ( family )
+ {
+ case wxFONTFAMILY_SCRIPT:
+ // corresponds to the cursive font family in the page linked above
+ facename.Add(wxS("URW Chancery L"));
+ facename.Add(wxS("Comic Sans MS"));
+ break;
+
+ case wxFONTFAMILY_DECORATIVE:
+ // corresponds to the fantasy font family in the page linked above
+ facename.Add(wxS("Impact"));
+ break;
+
+ case wxFONTFAMILY_ROMAN:
+ // corresponds to the serif font family in the page linked above
+ facename.Add(wxS("Serif"));
+ facename.Add(wxS("DejaVu Serif"));
+ facename.Add(wxS("DejaVu LGC Serif"));
+ facename.Add(wxS("Bitstream Vera Serif"));
+ facename.Add(wxS("Liberation Serif"));
+ facename.Add(wxS("FreeSerif"));
+ facename.Add(wxS("Luxi Serif"));
+ facename.Add(wxS("Times New Roman"));
+ facename.Add(wxS("Century Schoolbook L"));
+ facename.Add(wxS("URW Bookman L"));
+ facename.Add(wxS("URW Palladio L"));
+ facename.Add(wxS("Times"));
+ break;
+
+ case wxFONTFAMILY_TELETYPE:
+ case wxFONTFAMILY_MODERN:
+ // corresponds to the monospace font family in the page linked above
+ facename.Add(wxS("Monospace"));
+ facename.Add(wxS("DejaVu Sans Mono"));
+ facename.Add(wxS("DejaVu LGC Sans Mono"));
+ facename.Add(wxS("Bitstream Vera Sans Mono"));
+ facename.Add(wxS("Liberation Mono"));
+ facename.Add(wxS("FreeMono"));
+ facename.Add(wxS("Luxi Mono"));
+ facename.Add(wxS("Courier New"));
+ facename.Add(wxS("Lucida Sans Typewriter"));
+ facename.Add(wxS("Nimbus Mono L"));
+ facename.Add(wxS("Andale Mono"));
+ facename.Add(wxS("Courier"));
+ break;
+
+ case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
+ default:
+ // corresponds to the sans-serif font family in the page linked above
+ facename.Add(wxS("Sans"));
+ facename.Add(wxS("DejaVu Sans"));
+ facename.Add(wxS("DejaVu LGC Sans"));
+ facename.Add(wxS("Bitstream Vera Sans"));
+ facename.Add(wxS("Liberation Sans"));
+ facename.Add(wxS("FreeSans"));
+ facename.Add(wxS("Luxi Sans"));
+ facename.Add(wxS("Arial"));
+ facename.Add(wxS("Lucida Sans"));
+ facename.Add(wxS("Nimbus Sans L"));
+ facename.Add(wxS("URW Gothic L"));
+ break;
+ }
+
+ SetFaceName(facename);
+}
+
+void wxNativeFontInfo::SetEncoding(wxFontEncoding WXUNUSED(encoding))
+{
+ wxFAIL_MSG( "not implemented: Pango encoding is always UTF8" );
+}
+
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+ wxString str(s);
+
+ // Pango font description doesn't have 'underlined' or 'strikethrough'
+ // attributes, so we handle them specially by extracting them from the
+ // string before passing it to Pango.
+ m_underlined = str.StartsWith(wxS("underlined "), &str);
+ m_strikethrough = str.StartsWith(wxS("strikethrough "), &str);
+
+ 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 !!
+ const size_t pos = str.find_last_of(wxS(" "));
+ double size;
+ if ( pos != wxString::npos && wxString(str, pos + 1).ToDouble(&size) )
+ {
+ wxString sizeStr;
+ if ( size < 1 )
+ sizeStr = wxS("1");
+ else if ( size >= 1E6 )
+ sizeStr = wxS("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 wxNativeFontInfo::ToString() const
+{
+ wxGtkString str(pango_font_description_to_string( description ));
+ wxString desc = wxPANGO_CONV_BACK(str);
+
+ // Augment the string with the attributes not handled by Pango.
+ //
+ // Notice that we must add them in the same order they are extracted in
+ // FromString() above.
+ if (m_strikethrough)
+ desc.insert(0, wxS("strikethrough "));
+ if (m_underlined)
+ desc.insert(0, wxS("underlined "));
+
+ return desc;
+}
+
+bool wxNativeFontInfo::FromUserString(const wxString& s)
+{
+ return FromString( s );
+}
+
+wxString wxNativeFontInfo::ToUserString() const
+{
+ return ToString();
+}
+
+#else // GTK+ 1.x
+
+#ifdef __X__
+ #ifdef __VMS__
+ #pragma message disable nosimpint
+ #endif
+
+ #include <X11/Xlib.h>
+
+ #ifdef __VMS__
+ #pragma message enable nosimpint
+ #endif
+
+#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
+ // defining it when time.h is included from the headers below - this is
+ // known not to work at least with Sun CC 6.01
+ #include <time.h>
+
+ #include <gdk/gdk.h>
+#endif
+
+
+// ----------------------------------------------------------------------------
+// private data
+// ----------------------------------------------------------------------------
+
+static wxHashTable *g_fontHash = NULL;
// ----------------------------------------------------------------------------
// private functions
// define the functions to create and destroy native fonts for this toolkit
#ifdef __X__
- static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+ wxNativeFont wxLoadFont(const wxString& fontSpec)
{
return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
}
- static inline void wxFreeFont(wxNativeFont font)
+ inline void wxFreeFont(wxNativeFont font)
{
- XFreeFont((Display *)wxGetDisplay(), font);
+ XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font);
}
#elif defined(__WXGTK__)
- #include "gdk/gdk.h"
-
- static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+ wxNativeFont wxLoadFont(const wxString& 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) );
}
- static inline void wxFreeFont(wxNativeFont font)
+ inline void wxFreeFont(wxNativeFont font)
{
gdk_font_unref(font);
}
bool underlined,
const wxString& facename,
const wxString& xregistry,
- const wxString& xencoding);
+ const wxString& xencoding,
+ wxString* xFontName);
// ============================================================================
// implementation
// ----------------------------------------------------------------------------
// convert to/from the string representation: format is
-// registry-encoding[-facename]
+// encodingid;registry;encoding[;facename]
bool wxNativeEncodingInfo::FromString(const wxString& s)
{
- wxStringTokenizer tokenizer(s, _T("-"));
+ // use ";", not "-" because it may be part of encoding name
+ wxStringTokenizer tokenizer(s, wxT(";"));
+
+ wxString encid = tokenizer.GetNextToken();
+ long enc;
+ if ( !encid.ToLong(&enc) )
+ 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 << xregistry << _T('-') << xencoding;
- if ( !!facename )
+ s << (long)encoding << wxT(';') << xregistry << wxT(';') << xencoding;
+ if ( !facename.empty() )
{
- s << _T('-') << facename;
+ s << wxT(';') << facename;
}
return s;
}
+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+void wxNativeFontInfo::Init()
+{
+ m_isDefault = true;
+}
+
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+ wxStringTokenizer tokenizer(s, wxT(";"));
+
+ // check the version
+ wxString token = tokenizer.GetNextToken();
+ if ( token != wxT('0') )
+ return false;
+
+ xFontName = tokenizer.GetNextToken();
+
+ // this should be the end
+ if ( tokenizer.HasMoreTokens() )
+ return false;
+
+ return FromXFontName(xFontName);
+}
+
+wxString wxNativeFontInfo::ToString() const
+{
+ // 0 is the version
+ return wxString::Format(wxT("%d;%s"), 0, GetXFontName().c_str());
+}
+
+bool wxNativeFontInfo::FromUserString(const wxString& s)
+{
+ return FromXFontName(s);
+}
+
+wxString wxNativeFontInfo::ToUserString() const
+{
+ return GetXFontName();
+}
+
+bool wxNativeFontInfo::HasElements() const
+{
+ // we suppose that the foundry is never empty, so if it is it means that we
+ // had never parsed the XLFD
+ return !fontElements[0].empty();
+}
+
+wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
+{
+ wxCHECK_MSG( field < wxXLFD_MAX, wxEmptyString, wxT("invalid XLFD field") );
+
+ if ( !HasElements() )
+ {
+ if ( !const_cast<wxNativeFontInfo *>(this)->FromXFontName(xFontName) )
+ return wxEmptyString;
+ }
+
+ return fontElements[field];
+}
+
+bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
+{
+ // TODO: we should be able to handle the font aliases here, but how?
+ wxStringTokenizer tokenizer(fontname, wxT("-"));
+
+ // skip the leading, usually empty field (font name registry)
+ if ( !tokenizer.HasMoreTokens() )
+ return false;
+
+ (void)tokenizer.GetNextToken();
+
+ for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
+ {
+ if ( !tokenizer.HasMoreTokens() )
+ {
+ // not enough elements in the XLFD - or maybe an alias
+ return false;
+ }
+
+ wxString field = tokenizer.GetNextToken();
+ if ( !field.empty() && field != wxT('*') )
+ {
+ // we're really initialized now
+ m_isDefault = false;
+ }
+
+ fontElements[n] = field;
+ }
+
+ // this should be all
+ if ( tokenizer.HasMoreTokens() )
+ return false;
+
+ return true;
+}
+
+wxString wxNativeFontInfo::GetXFontName() const
+{
+ if ( xFontName.empty() )
+ {
+ for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
+ {
+ // replace the non specified elements with '*' except for the
+ // additional style which is usually just omitted
+ wxString elt = fontElements[n];
+ if ( elt.empty() && n != wxXLFD_ADDSTYLE )
+ {
+ elt = wxT('*');
+ }
+
+ const_cast<wxNativeFontInfo *>(this)->xFontName << wxT('-') << elt;
+ }
+ }
+
+ return xFontName;
+}
+
+void
+wxNativeFontInfo::SetXFontComponent(wxXLFDField field, const wxString& value)
+{
+ wxCHECK_RET( field < wxXLFD_MAX, wxT("invalid XLFD field") );
+
+ // this class should be initialized with a valid font spec first and only
+ // then the fields may be modified!
+ wxASSERT_MSG( !IsDefault(), wxT("can't modify an uninitialized XLFD") );
+
+ if ( !HasElements() )
+ {
+ if ( !const_cast<wxNativeFontInfo *>(this)->FromXFontName(xFontName) )
+ {
+ wxFAIL_MSG( wxT("can't set font element for invalid XLFD") );
+
+ return;
+ }
+ }
+
+ fontElements[field] = value;
+
+ // invalidate the XFLD, it doesn't correspond to the font elements any more
+ xFontName.clear();
+}
+
+void wxNativeFontInfo::SetXFontName(const wxString& xFontName_)
+{
+ // invalidate the font elements, GetXFontComponent() will reparse the XLFD
+ fontElements[0].clear();
+
+ xFontName = xFontName_;
+
+ m_isDefault = false;
+}
+
+int wxNativeFontInfo::GetPointSize() const
+{
+ const wxString s = GetXFontComponent(wxXLFD_POINTSIZE);
+
+ // return -1 to indicate that the size is unknown
+ long l;
+ return s.ToLong(&l) ? l : -1;
+}
+
+wxFontStyle wxNativeFontInfo::GetStyle() const
+{
+ const wxString s = GetXFontComponent(wxXLFD_SLANT);
+
+ if ( s.length() != 1 )
+ {
+ // it is really unknown but we don't have any way to return it from
+ // here
+ return wxFONTSTYLE_NORMAL;
+ }
+
+ switch ( s[0].GetValue() )
+ {
+ default:
+ // again, unknown but consider normal by default
+
+ case wxT('r'):
+ return wxFONTSTYLE_NORMAL;
+
+ case wxT('i'):
+ return wxFONTSTYLE_ITALIC;
+
+ case wxT('o'):
+ return wxFONTSTYLE_SLANT;
+ }
+}
+
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+ const wxString s = GetXFontComponent(wxXLFD_WEIGHT).MakeLower();
+ if ( s.find(wxT("bold")) != wxString::npos || s == wxT("black") )
+ return wxFONTWEIGHT_BOLD;
+ else if ( s == wxT("light") )
+ return wxFONTWEIGHT_LIGHT;
+
+ return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
+{
+ // X fonts are never underlined
+ return false;
+}
+
+wxString wxNativeFontInfo::GetFaceName() const
+{
+ // wxWidgets facename probably more accurately corresponds to X family
+ return GetXFontComponent(wxXLFD_FAMILY);
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+ // and wxWidgets family -- to X foundry, but we have to translate it to
+ // wxFontFamily somehow...
+ wxFAIL_MSG(wxT("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY);
+
+ return wxFONTFAMILY_DEFAULT;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+ // we already have the code for this but need to refactor it first
+ wxFAIL_MSG( wxT("not implemented") );
+
+ return wxFONTENCODING_MAX;
+}
+
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+ SetXFontComponent(wxXLFD_POINTSIZE, wxString::Format(wxT("%d"), pointsize));
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+ wxString s;
+ switch ( style )
+ {
+ case wxFONTSTYLE_ITALIC:
+ s = wxT('i');
+ break;
+
+ case wxFONTSTYLE_SLANT:
+ s = wxT('o');
+ break;
+
+ case wxFONTSTYLE_NORMAL:
+ s = wxT('r');
+
+ default:
+ wxFAIL_MSG( wxT("unknown wxFontStyle in wxNativeFontInfo::SetStyle") );
+ return;
+ }
+
+ SetXFontComponent(wxXLFD_SLANT, s);
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+ wxString s;
+ switch ( weight )
+ {
+ case wxFONTWEIGHT_BOLD:
+ s = wxT("bold");
+ break;
+
+ case wxFONTWEIGHT_LIGHT:
+ s = wxT("light");
+ break;
+
+ case wxFONTWEIGHT_NORMAL:
+ s = wxT("medium");
+ break;
+
+ default:
+ wxFAIL_MSG( wxT("unknown wxFontWeight in wxNativeFontInfo::SetWeight") );
+ return;
+ }
+
+ SetXFontComponent(wxXLFD_WEIGHT, s);
+}
+
+void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
+{
+ // can't do this under X
+}
+
+void wxNativeFontInfo::SetStrikethrough(bool WXUNUSED(strikethrough))
+{
+ // this is not supported by Pango fonts neither
+}
+
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+ SetXFontComponent(wxXLFD_FAMILY, facename);
+ return true;
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
+{
+ // wxFontFamily -> X foundry, anyone?
+ wxFAIL_MSG( wxT("not implemented") );
+
+ // SetXFontComponent(wxXLFD_FOUNDRY, ...);
+}
+
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
+{
+ wxNativeEncodingInfo info;
+ if ( wxGetNativeFontEncoding(encoding, &info) )
+ {
+ SetXFontComponent(wxXLFD_ENCODING, info.xencoding);
+ SetXFontComponent(wxXLFD_REGISTRY, info.xregistry);
+ }
+}
+
// ----------------------------------------------------------------------------
// common functions
// ----------------------------------------------------------------------------
bool wxGetNativeFontEncoding(wxFontEncoding encoding,
wxNativeEncodingInfo *info)
{
- wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
+ wxCHECK_MSG( info, false, wxT("bad pointer in wxGetNativeFontEncoding") );
if ( encoding == wxFONTENCODING_DEFAULT )
{
case wxFONTENCODING_ISO8859_9:
case wxFONTENCODING_ISO8859_10:
case wxFONTENCODING_ISO8859_11:
+ case wxFONTENCODING_ISO8859_12:
case wxFONTENCODING_ISO8859_13:
case wxFONTENCODING_ISO8859_14:
case wxFONTENCODING_ISO8859_15:
}
break;
+ case wxFONTENCODING_UTF8:
+ info->xregistry = wxT("iso10646");
+ info->xencoding = wxT("*");
+ break;
+
+ case wxFONTENCODING_GB2312:
+ 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 and koi8-u (so far)
+ // we don't make distinction between koi8-r, koi8-u and koi8-ru (so far)
info->xencoding = wxT("*");
break;
}
break;
+ case wxFONTENCODING_EUC_JP:
+ case wxFONTENCODING_SHIFT_JIS:
+ info->xregistry = "jis*";
+ info->xencoding = "*";
+ break;
+
case wxFONTENCODING_SYSTEM:
info->xregistry =
- info->xencoding = wxT('*');
+ info->xencoding = wxT("*");
break;
default:
// don't know how to translate this encoding into X fontspec
- return FALSE;
+ return false;
}
- return TRUE;
+ info->encoding = encoding;
+
+ return true;
}
bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
{
wxString fontspec;
- fontspec.Printf(_T("-*-%s-*-*-*-*-*-*-*-*-*-*-%s-%s"),
- !info.facename ? _T("*") : info.facename.c_str(),
- info.xregistry.c_str(),
- info.xencoding.c_str());
+ fontspec.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-%s-%s"),
+ info.facename.empty() ? wxString("*") : info.facename,
+ info.xregistry,
+ info.xencoding);
return wxTestFontSpec(fontspec);
}
int weight,
bool underlined,
const wxString &facename,
- wxFontEncoding encoding)
+ wxFontEncoding encoding,
+ wxString* xFontName)
{
+ if ( encoding == wxFONTENCODING_DEFAULT )
+ {
+ encoding = wxFont::GetDefaultEncoding();
+ }
+
// first determine the encoding - if the font doesn't exist at all in this
// encoding, it's useless to do all other approximations (i.e. size,
// family &c don't matter much)
wxNativeEncodingInfo info;
- if ( !wxGetNativeFontEncoding(encoding, &info) ||
- !wxTestFontEncoding(info) )
+ if ( encoding == wxFONTENCODING_SYSTEM )
{
- if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
+ // This will always work so we don't test to save time
+ wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info);
+ }
+ else
+ {
+ if ( !wxGetNativeFontEncoding(encoding, &info) ||
+ !wxTestFontEncoding(info) )
{
- // unspported encoding - replace it with the default
- //
- // NB: we can't just return 0 from here because wxGTK code doesn't
- // check for it (i.e. it supposes that we'll always succeed),
- // so it would provoke a crash
- wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info);
+#if wxUSE_FONTMAP
+ if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
+#endif // wxUSE_FONTMAP
+ {
+ // unspported encoding - replace it with the default
+ //
+ // NB: we can't just return 0 from here because wxGTK code doesn't
+ // check for it (i.e. it supposes that we'll always succeed),
+ // so it would provoke a crash
+ wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info);
+ }
}
}
- //else: we have the correct xregistry/xencoding in info structure
- wxNativeFont font = wxLoadQueryFont( pointSize, family, style, weight,
- underlined, facename,
- info.xregistry, info.xencoding );
+ // OK, we have the correct xregistry/xencoding in info structure
+ wxNativeFont font = 0;
+
+ // if we already have the X font name, try to use it
+ if( xFontName && !xFontName->empty() )
+ {
+ //
+ // Make sure point size is correct for scale factor.
+ //
+ wxStringTokenizer tokenizer(*xFontName, wxT("-"), wxTOKEN_RET_DELIMS);
+ wxString newFontName;
+
+ for(int i = 0; i < 8; i++)
+ newFontName += tokenizer.NextToken();
+
+ (void) tokenizer.NextToken();
+
+ newFontName += wxString::Format(wxT("%d-"), pointSize);
+
+ while(tokenizer.HasMoreTokens())
+ newFontName += tokenizer.GetNextToken();
+
+ font = wxLoadFont(newFontName);
+
+ if(font)
+ *xFontName = newFontName;
+ }
if ( !font )
{
int max_size = pointSize + 20 * (1 + (pointSize/180));
int min_size = pointSize - 20 * (1 + (pointSize/180));
- int i;
+ int i, round; // counters
- // 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, info.xregistry, info.xencoding);
- }
+ // 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 larger size (approx.)
- for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
+ for ( round = 0; round < 3; round++ )
{
- font = wxLoadQueryFont(i, family, style, weight, underlined,
- facename, info.xregistry, info.xencoding);
+ // 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, teststyle, testweight, underlined,
+ facename, info.xregistry, info.xencoding,
+ xFontName);
+ }
}
// Try default family
{
font = wxLoadQueryFont(pointSize, wxDEFAULT, style, weight,
underlined, facename,
- info.xregistry, info.xencoding );
+ info.xregistry, info.xencoding,
+ xFontName );
}
- // Bogus font I
+ // ignore size, family, style and weight but try to find font with the
+ // given facename and encoding
if ( !font )
{
font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
underlined, facename,
- info.xregistry, info.xencoding);
- }
+ info.xregistry, info.xencoding,
+ xFontName);
- // Bogus font II
- if ( !font )
- {
- font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
- underlined, wxEmptyString,
- info.xregistry, info.xencoding);
+ // ignore family as well
+ if ( !font )
+ {
+ font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
+ underlined, wxEmptyString,
+ info.xregistry, info.xencoding,
+ xFontName);
+
+ // if it still failed, try to get the font of any size but
+ // with the requested encoding: this can happen if the
+ // encoding is only available in one size which happens to be
+ // different from 120
+ if ( !font )
+ {
+ font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,
+ false, wxEmptyString,
+ info.xregistry, info.xencoding,
+ xFontName);
+
+ // this should never happen as we had tested for it in the
+ // very beginning, but if it does, do return something non
+ // NULL or we'd crash in wxFont code
+ if ( !font )
+ {
+ wxFAIL_MSG( wxT("this encoding should be available!") );
+
+ font = wxLoadQueryFont(-1,
+ wxDEFAULT, wxNORMAL, wxNORMAL,
+ false, wxEmptyString,
+ wxT("*"), wxT("*"),
+ 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)
{
- wxNativeFont test = wxLoadFont(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 == wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
+ {
+ return true;
+ }
+
+ wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
+ if (test)
+ {
+ return true;
+ }
+
+ test = wxLoadFont(fontspec);
+ g_fontHash->Put( fontspec, (wxObject*) test );
+
if ( test )
{
wxFreeFont(test);
- return TRUE;
+ return true;
}
else
{
- return FALSE;
+ return false;
}
}
bool WXUNUSED(underlined),
const wxString& facename,
const wxString& xregistry,
- const wxString& xencoding)
+ const wxString& xencoding,
+ wxString* xFontName)
{
wxString xfamily;
switch (family)
case wxSCRIPT: xfamily = wxT("utopia"); break;
default: xfamily = wxT("*");
}
+#if wxUSE_NANOX
+ int xweight;
+ switch (weight)
+ {
+ case wxBOLD:
+ {
+ xweight = MWLF_WEIGHT_BOLD;
+ break;
+ }
+ case wxLIGHT:
+ {
+ xweight = MWLF_WEIGHT_LIGHT;
+ break;
+ }
+ case wxNORMAL:
+ {
+ xweight = MWLF_WEIGHT_NORMAL;
+ break;
+ }
+
+ default:
+ {
+ xweight = MWLF_WEIGHT_DEFAULT;
+ break;
+ }
+ }
+ GR_SCREEN_INFO screenInfo;
+ GrGetScreenInfo(& screenInfo);
+
+ int yPixelsPerCM = screenInfo.ydpcm;
+
+ // A point is 1/72 of an inch.
+ // An inch is 2.541 cm.
+ // So pixelHeight = (pointSize / 72) (inches) * 2.541 (for cm) * yPixelsPerCM (for pixels)
+ // In fact pointSize is 10 * the normal point size so
+ // divide by 10.
+
+ int pixelHeight = (int) ( (((float)pointSize) / 720.0) * 2.541 * (float) yPixelsPerCM) ;
+
+ // An alternative: assume that the screen is 72 dpi.
+ //int pixelHeight = (int) (((float)pointSize / 720.0) * 72.0) ;
+ //int pixelHeight = (int) ((float)pointSize / 10.0) ;
+
+ GR_LOGFONT logFont;
+ logFont.lfHeight = pixelHeight;
+ logFont.lfWidth = 0;
+ logFont.lfEscapement = 0;
+ logFont.lfOrientation = 0;
+ logFont.lfWeight = xweight;
+ logFont.lfItalic = (style == wxNORMAL ? 0 : 1) ;
+ logFont.lfUnderline = 0;
+ logFont.lfStrikeOut = 0;
+ logFont.lfCharSet = MWLF_CHARSET_DEFAULT; // TODO: select appropriate one
+ logFont.lfOutPrecision = MWLF_TYPE_DEFAULT;
+ logFont.lfClipPrecision = 0; // Not used
+ logFont.lfRoman = (family == wxROMAN ? 1 : 0) ;
+ logFont.lfSerif = (family == wxSWISS ? 0 : 1) ;
+ logFont.lfSansSerif = !logFont.lfSerif ;
+ logFont.lfModern = (family == wxMODERN ? 1 : 0) ;
+ logFont.lfProportional = (family == wxTELETYPE ? 0 : 1) ;
+ logFont.lfOblique = 0;
+ logFont.lfSmallCaps = 0;
+ logFont.lfPitch = 0; // 0 = default
+ strcpy(logFont.lfFaceName, facename.c_str());
+
+ XFontStruct* fontInfo = (XFontStruct*) malloc(sizeof(XFontStruct));
+ fontInfo->fid = GrCreateFont((GR_CHAR*) facename.c_str(), pixelHeight, & logFont);
+ GrGetFontInfo(fontInfo->fid, & fontInfo->info);
+ return (wxNativeFont) fontInfo;
+#else
wxString fontSpec;
- if (!facename.IsEmpty())
+ if (!facename.empty())
{
fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
facename.c_str());
wxString xstyle;
switch (style)
{
- case wxITALIC: xstyle = wxT("i"); break;
- case wxSLANT: xstyle = wxT("o"); break;
- case wxNORMAL: xstyle = wxT("r"); break;
- default: xstyle = wxT("*"); break;
+ case wxSLANT:
+ fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
+ xfamily.c_str());
+ if ( wxTestFontSpec(fontSpec) )
+ {
+ xstyle = wxT("o");
+ break;
+ }
+ // fall through - try wxITALIC now
+
+ case wxITALIC:
+ fontSpec.Printf(wxT("-*-%s-*-i-*-*-*-*-*-*-*-*-*-*"),
+ xfamily.c_str());
+ if ( wxTestFontSpec(fontSpec) )
+ {
+ xstyle = wxT("i");
+ }
+ else if ( style == wxITALIC ) // and not wxSLANT
+ {
+ // try wxSLANT
+ fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
+ xfamily.c_str());
+ if ( wxTestFontSpec(fontSpec) )
+ {
+ xstyle = wxT("o");
+ }
+ else
+ {
+ // no italic, no slant - leave default
+ xstyle = wxT("*");
+ }
+ }
+ break;
+
+ default:
+ wxFAIL_MSG(wxT("unknown font style"));
+ // fall back to normal
+
+ case wxNORMAL:
+ xstyle = wxT("r");
+ break;
}
wxString xweight;
default: xweight = wxT("*"); break;
}
+ // if pointSize is -1, don't specify any
+ wxString sizeSpec;
+ if ( pointSize == -1 )
+ {
+ sizeSpec = wxT('*');
+ }
+ else
+ {
+ sizeSpec.Printf(wxT("%d"), pointSize);
+ }
+
// construct the X font spec from our data
- fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-%s-%s"),
+ fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%s-*-*-*-*-%s-%s"),
xfamily.c_str(), xweight.c_str(), xstyle.c_str(),
- pointSize, xregistry.c_str(), xencoding.c_str());
+ sizeSpec.c_str(), xregistry.c_str(), xencoding.c_str());
+
+ if( xFontName )
+ *xFontName = fontSpec;
return wxLoadFont(fontSpec);
+#endif
+ // wxUSE_NANOX
+}
+
+// ----------------------------------------------------------------------------
+// wxFontModule
+// ----------------------------------------------------------------------------
+
+class wxFontModule : public wxModule
+{
+public:
+ bool OnInit();
+ void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxFontModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxFontModule, wxModule)
+
+bool wxFontModule::OnInit()
+{
+ g_fontHash = new wxHashTable( wxKEY_STRING );
+
+ return true;
+}
+
+void wxFontModule::OnExit()
+{
+ wxDELETE(g_fontHash);
}
+#endif // GTK 2.0/1.x
projects / wxWidgets.git / blobdiff