/////////////////////////////////////////////////////////////////////////////
-// Name: gtk/font.cpp
+// Name: src/gtk/font.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright: (c) 1998 Robert Roebling and Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "font.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/font.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/settings.h"
+ #include "wx/cmndata.h"
+ #include "wx/gdicmn.h"
+#endif
+
#include "wx/fontutil.h"
-#include "wx/cmndata.h"
-#include "wx/utils.h"
-#include "wx/log.h"
-#include "wx/gdicmn.h"
#include "wx/tokenzr.h"
-#include "wx/settings.h"
#include <strings.h>
-#include <gdk/gdk.h>
+#include "wx/gtk/private.h"
#include <gdk/gdkprivate.h>
-#include <gtk/gtk.h>
// ----------------------------------------------------------------------------
// constants
static const int wxDEFAULT_FONT_SIZE = 12;
// ----------------------------------------------------------------------------
-// wxScaledFontList
+// wxScaledFontList: maps the font sizes to the GDK fonts for the given font
// ----------------------------------------------------------------------------
-// TODO: replace this with a type safe list or hash!!
-class wxScaledFontList : public wxList
-{
-public:
- wxScaledFontList() : wxList(wxKEY_INTEGER) { }
-};
+WX_DECLARE_HASH_MAP(int, GdkFont *, wxIntegerHash, wxIntegerEqual,
+ wxScaledFontList);
// ----------------------------------------------------------------------------
// wxFontRefData
int family = wxFONTFAMILY_DEFAULT,
int style = wxFONTSTYLE_NORMAL,
int weight = wxFONTWEIGHT_NORMAL,
- bool underlined = FALSE,
+ bool underlined = false,
const wxString& faceName = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
// do we have the native font info?
bool HasNativeFont() const
{
- return !m_nativeFontInfo.IsDefault();
+ // we always have a Pango font description
+ return true;
}
// setters: all of them also take care to modify m_nativeFontInfo if we
void SetStyle(int style);
void SetWeight(int weight);
void SetUnderlined(bool underlined);
- void SetFaceName(const wxString& facename);
+ bool SetFaceName(const wxString& facename);
void SetEncoding(wxFontEncoding encoding);
- // debugger helper: shows what the font really is
- //
- // VZ: I need this as my gdb either shows wildly wrong values or crashes
- // when I ask it to "p fontRefData" :-(
-#ifdef __WXDEBUG__
- void Dump() const
- {
- wxPrintf(_T("%s-%s-%s-%d-%d\n"),
- m_faceName.c_str(),
- m_weight == wxFONTWEIGHT_NORMAL
- ? _T("normal")
- : m_weight == wxFONTWEIGHT_BOLD
- ? _T("bold")
- : _T("light"),
- m_style == wxFONTSTYLE_NORMAL ? _T("regular") : _T("italic"),
- m_pointSize,
- m_encoding);
- }
-#endif // Debug
+ void SetNoAntiAliasing( bool no = true ) { m_noAA = no; }
+ bool GetNoAntiAliasing() const { return m_noAA; }
+
+ // and this one also modifies all the other font data fields
+ void SetNativeFontInfo(const wxNativeFontInfo& info);
protected:
// common part of all ctors
const wxString& faceName,
wxFontEncoding encoding);
+ // set all fields from (already initialized and valid) m_nativeFontInfo
+ void InitFromNative();
+
private:
- // the map of font sizes to "GdkFont *"
- wxScaledFontList m_scaled_xfonts;
+ // clear m_scaled_xfonts if any
+ void ClearGdkFonts();
- // the broken down font parameters
int m_pointSize;
int m_family,
m_style,
bool m_underlined;
wxString m_faceName;
wxFontEncoding m_encoding;
+ bool m_noAA; // No anti-aliasing
- // the native font info, basicly an XFLD
+ // The native font info, basicly an XFLD under GTK 1.2 and
+ // the pango font description under GTK 2.0.
wxNativeFontInfo m_nativeFontInfo;
friend class wxFont;
};
-// ============================================================================
-// wxFontRefData implementation
-// ============================================================================
-
// ----------------------------------------------------------------------------
-// wxFontRefData creation
+// wxFontRefData
// ----------------------------------------------------------------------------
void wxFontRefData::Init(int pointSize,
// and here, do we really want to forbid creation of the font of the size
// 90 (the value of wxDEFAULT)??
- m_pointSize = pointSize == wxDEFAULT ||
- pointSize == -1 ? wxDEFAULT_FONT_SIZE : pointSize;
+ m_pointSize = pointSize == wxDEFAULT || pointSize == -1
+ ? wxDEFAULT_FONT_SIZE
+ : pointSize;
m_underlined = underlined;
m_encoding = encoding;
+
+ m_noAA = false;
+
+ // Create native font info
+ m_nativeFontInfo.description = pango_font_description_new();
+
+ // And set its values
+ if (!m_faceName.empty())
+ {
+ pango_font_description_set_family( m_nativeFontInfo.description,
+ wxGTK_CONV_SYS(m_faceName) );
+ }
+ else
+ {
+ switch (m_family)
+ {
+ case wxFONTFAMILY_MODERN:
+ case wxFONTFAMILY_TELETYPE:
+ pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
+ break;
+ case wxFONTFAMILY_ROMAN:
+ pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
+ break;
+ case wxFONTFAMILY_SWISS:
+ // SWISS = sans serif
+ default:
+ pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
+ break;
+ }
+ }
+
+ SetStyle( m_style );
+ SetPointSize( m_pointSize );
+ SetWeight( m_weight );
+}
+
+void wxFontRefData::InitFromNative()
+{
+ m_noAA = false;
+
+ // Get native info
+ PangoFontDescription *desc = m_nativeFontInfo.description;
+
+ // init fields
+ m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
+
+ // Pango sometimes needs to have a size
+ int pango_size = pango_font_description_get_size( desc );
+ if (pango_size == 0)
+ m_nativeFontInfo.SetPointSize(12);
+
+ m_pointSize = m_nativeFontInfo.GetPointSize();
+ m_style = m_nativeFontInfo.GetStyle();
+ m_weight = m_nativeFontInfo.GetWeight();
+
+ if (m_faceName == wxT("monospace"))
+ {
+ m_family = wxFONTFAMILY_TELETYPE;
+ }
+ else if (m_faceName == wxT("sans"))
+ {
+ m_family = wxFONTFAMILY_SWISS;
+ }
+ else if (m_faceName == wxT("serif"))
+ {
+ m_family = wxFONTFAMILY_ROMAN;
+ }
+ else
+ {
+ m_family = wxFONTFAMILY_UNKNOWN;
+ }
+
+ // Pango description are never underlined (?)
+ m_underlined = false;
+
+ // always with GTK+ 2
+ m_encoding = wxFONTENCODING_UTF8;
}
wxFontRefData::wxFontRefData( const wxFontRefData& data )
+ : wxObjectRefData()
{
m_pointSize = data.m_pointSize;
m_family = data.m_family;
m_faceName = data.m_faceName;
m_encoding = data.m_encoding;
- m_nativeFontInfo = data.m_nativeFontInfo;
+ m_noAA = data.m_noAA;
+
+ // Forces a copy of the internal data. wxNativeFontInfo should probably
+ // have a copy ctor and assignment operator to fix this properly but that
+ // would break binary compatibility...
+ m_nativeFontInfo.FromString(data.m_nativeFontInfo.ToString());
}
wxFontRefData::wxFontRefData(int size, int family, int style,
wxFontRefData::wxFontRefData(const wxString& fontname)
{
- // remember the X font name
- m_nativeFontInfo.SetXFontName(fontname);
-
- // get the font parameters from the XLFD
- // -------------------------------------
-
- m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
+ m_nativeFontInfo.FromString( fontname );
- m_weight = wxFONTWEIGHT_NORMAL;
-
- wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
- if ( !w.empty() && w != _T('*') )
- {
- // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
- // and BLACK
- if ( ((w[0u] == _T('B') && (!strcmp(w.c_str() + 1, _T("OLD")) ||
- !strcmp(w.c_str() + 1, _T("LACK"))))) ||
- strstr(w.c_str() + 1, _T("BOLD")) )
- {
- m_weight = wxFONTWEIGHT_BOLD;
- }
- else if ( w == _T("LIGHT") || w == _T("THIN") )
- {
- m_weight = wxFONTWEIGHT_LIGHT;
- }
- }
-
- switch ( wxToupper(*m_nativeFontInfo.
- GetXFontComponent(wxXLFD_SLANT).c_str()) )
- {
- case _T('I'): // italique
- m_style = wxFONTSTYLE_ITALIC;
- break;
-
- case _T('O'): // oblique
- m_style = wxFONTSTYLE_SLANT;
- break;
-
- default:
- m_style = wxFONTSTYLE_NORMAL;
- }
-
- long ptSize;
- if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
- {
- // size in XLFD is in 10 point units
- m_pointSize = (int)(ptSize / 10);
- }
- else
- {
- m_pointSize = wxDEFAULT_FONT_SIZE;
- }
-
- // examine the spacing: if the font is monospaced, assume wxTELETYPE
- // family for compatibility with the old code which used it instead of
- // IsFixedWidth()
- if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') )
- {
- m_family = wxFONTFAMILY_TELETYPE;
- }
- else // not monospaceed
- {
- // don't even try guessing it, it doesn't work for too many fonts
- // anyhow
- m_family = wxFONTFAMILY_UNKNOWN;
- }
-
- // X fonts are never underlined...
- m_underlined = FALSE;
-
- // deal with font encoding
- wxString
- registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
- encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
+ InitFromNative();
+}
- if ( registry == _T("ISO8859") )
- {
- int cp;
- if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
- {
- m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
- }
- }
- else if ( registry == _T("MICROSOFT") )
- {
- int cp;
- if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
- {
- m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
- }
- }
- else if ( registry == _T("KOI8") )
- {
- m_encoding = wxFONTENCODING_KOI8;
- }
- else // unknown encoding
- {
- // may be give a warning here?
- m_encoding = wxFONTENCODING_SYSTEM;
- }
+void wxFontRefData::ClearGdkFonts()
+{
}
wxFontRefData::~wxFontRefData()
{
- wxNode *node = m_scaled_xfonts.First();
- while (node)
- {
- GdkFont *font = (GdkFont*)node->Data();
- wxNode *next = node->Next();
- gdk_font_unref( font );
- node = next;
- }
+ ClearGdkFonts();
}
// ----------------------------------------------------------------------------
{
m_pointSize = pointSize;
- if ( HasNativeFont() )
- {
- wxString size;
- if ( pointSize == -1 )
- size = _T('*');
- else
- size.Printf(_T("%d"), 10*pointSize);
-
- m_nativeFontInfo.SetXFontComponent(wxXLFD_POINTSIZE, size);
- }
+ m_nativeFontInfo.SetPointSize(pointSize);
}
void wxFontRefData::SetFamily(int family)
{
m_style = style;
- if ( HasNativeFont() )
- {
- wxString slant;
- switch ( style )
- {
- case wxFONTSTYLE_ITALIC:
- slant = _T('i');
- break;
-
- case wxFONTSTYLE_SLANT:
- slant = _T('o');
- break;
-
- default:
- wxFAIL_MSG( _T("unknown font style") );
- // fall through
-
- case wxFONTSTYLE_NORMAL:
- slant = _T('r');
- }
-
- m_nativeFontInfo.SetXFontComponent(wxXLFD_SLANT, slant);
- }
+ m_nativeFontInfo.SetStyle((wxFontStyle)style);
}
void wxFontRefData::SetWeight(int weight)
{
m_weight = weight;
- if ( HasNativeFont() )
- {
- wxString boldness;
- switch ( weight )
- {
- case wxFONTWEIGHT_BOLD:
- boldness = _T("bold");
- break;
-
- case wxFONTWEIGHT_LIGHT:
- boldness = _T("light");
- break;
-
- default:
- wxFAIL_MSG( _T("unknown font weight") );
- // fall through
-
- case wxFONTWEIGHT_NORMAL:
- // unspecified
- boldness = _T("medium");
- }
-
- m_nativeFontInfo.SetXFontComponent(wxXLFD_WEIGHT, boldness);
- }
+ m_nativeFontInfo.SetWeight((wxFontWeight)weight);
}
void wxFontRefData::SetUnderlined(bool underlined)
// the XLFD doesn't have "underlined" field anyhow
}
-void wxFontRefData::SetFaceName(const wxString& facename)
+bool wxFontRefData::SetFaceName(const wxString& facename)
{
m_faceName = facename;
- if ( HasNativeFont() )
- {
- m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename);
- }
+ return m_nativeFontInfo.SetFaceName(facename);
}
void wxFontRefData::SetEncoding(wxFontEncoding encoding)
{
m_encoding = encoding;
-
- if ( HasNativeFont() )
- {
- wxNativeEncodingInfo info;
- if ( wxGetNativeFontEncoding(encoding, &info) )
- {
- m_nativeFontInfo.SetXFontComponent(wxXLFD_REGISTRY, info.xregistry);
- m_nativeFontInfo.SetXFontComponent(wxXLFD_ENCODING, info.xencoding);
- }
- }
}
-// ============================================================================
-// wxFont implementation
-// ============================================================================
+void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
+{
+ // previously cached fonts shouldn't be used
+ ClearGdkFonts();
+
+ m_nativeFontInfo = info;
+
+ // set all the other font parameters from the native font info
+ InitFromNative();
+}
// ----------------------------------------------------------------------------
// wxFont creation
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
-void wxFont::Init()
-{
-}
-
wxFont::wxFont(const wxNativeFontInfo& info)
{
- Init();
-
- Create(info.GetXFontName());
+ Create( info.GetPointSize(),
+ info.GetFamily(),
+ info.GetStyle(),
+ info.GetWeight(),
+ info.GetUnderlined(),
+ info.GetFaceName(),
+ info.GetEncoding() );
}
bool wxFont::Create( int pointSize,
const wxString& face,
wxFontEncoding encoding)
{
+ UnRef();
+
m_refData = new wxFontRefData(pointSize, family, style, weight,
underlined, face, encoding);
- return TRUE;
+ return true;
}
bool wxFont::Create(const wxString& fontname)
{
*this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
- return TRUE;
+ return true;
}
m_refData = new wxFontRefData(fontname);
- return TRUE;
+ return true;
}
void wxFont::Unshare()
// accessors
// ----------------------------------------------------------------------------
-// all accessors are just forwarded to wxFontRefData which has everything we
-// need
-
int wxFont::GetPointSize() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_pointSize;
+ return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize()
+ : M_FONTDATA->m_pointSize;
}
wxString wxFont::GetFaceName() const
{
- wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+ wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
- return M_FONTDATA->m_faceName;
+ return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName()
+ : M_FONTDATA->m_faceName;
}
int wxFont::GetFamily() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_family;
+ int ret = M_FONTDATA->m_family;
+ if (M_FONTDATA->HasNativeFont())
+ // wxNativeFontInfo::GetFamily is expensive, must not call more than once
+ ret = M_FONTDATA->m_nativeFontInfo.GetFamily();
+
+ if (ret == wxFONTFAMILY_DEFAULT)
+ ret = M_FONTDATA->m_family;
+
+ return ret;
}
int wxFont::GetStyle() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_style;
+ return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle()
+ : M_FONTDATA->m_style;
}
int wxFont::GetWeight() const
{
wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
- return M_FONTDATA->m_weight;
+ return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight()
+ : M_FONTDATA->m_weight;
}
bool wxFont::GetUnderlined() const
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+ wxCHECK_MSG( Ok(), false, wxT("invalid font") );
return M_FONTDATA->m_underlined;
}
wxFontEncoding wxFont::GetEncoding() const
{
- wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+ wxCHECK_MSG( Ok(), wxFONTENCODING_SYSTEM, wxT("invalid font") );
return M_FONTDATA->m_encoding;
}
-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+bool wxFont::GetNoAntiAliasing() const
{
- wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
-
- if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
- GetInternalFont();
+ wxCHECK_MSG( Ok(), false, wxT("invalid font") );
- return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
+ return M_FONTDATA->m_noAA;
}
-bool wxFont::IsFixedWidth() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+ wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
- if ( M_FONTDATA->HasNativeFont() )
- {
- // the monospace fonts are supposed to have "M" in the spacing field
- wxString spacing = M_FONTDATA->
- m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
+ return &(M_FONTDATA->m_nativeFontInfo);
+}
- return spacing.Upper() == _T('M');
- }
+bool wxFont::IsFixedWidth() const
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid font") );
return wxFontBase::IsFixedWidth();
}
M_FONTDATA->SetWeight(weight);
}
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
{
Unshare();
- M_FONTDATA->SetFaceName(faceName);
+ return M_FONTDATA->SetFaceName(faceName) &&
+ wxFontBase::SetFaceName(faceName);
}
void wxFont::SetUnderlined(bool underlined)
M_FONTDATA->SetEncoding(encoding);
}
-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
{
Unshare();
- M_FONTDATA->m_nativeFontInfo = info;
+ M_FONTDATA->SetNativeFontInfo( info );
}
-// ----------------------------------------------------------------------------
-// get internal representation of font
-// ----------------------------------------------------------------------------
-
-static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL;
-
-// this is also used from tbargtk.cpp and tooltip.cpp, hence extern
-extern GdkFont *GtkGetDefaultGuiFont()
+void wxFont::SetNoAntiAliasing( bool no )
{
- if (!g_systemDefaultGuiFont)
- {
- GtkWidget *widget = gtk_button_new();
- GtkStyle *def = gtk_rc_get_style( widget );
- if (def)
- {
- g_systemDefaultGuiFont = gdk_font_ref( def->font );
- }
- else
- {
- def = gtk_widget_get_default_style();
- if (def)
- g_systemDefaultGuiFont = gdk_font_ref( def->font );
- }
- gtk_widget_destroy( widget );
- }
- else
- {
- // already have it, but ref it once more before returning
- gdk_font_ref(g_systemDefaultGuiFont);
- }
-
- return g_systemDefaultGuiFont;
-}
-
-GdkFont *wxFont::GetInternalFont( float scale ) const
-{
- GdkFont *font = (GdkFont *) NULL;
-
- wxCHECK_MSG( Ok(), font, wxT("invalid font") )
-
- long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
- int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
-
- wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
- if (node)
- {
- font = (GdkFont*)node->Data();
- }
- else // we don't have this font in this size yet
- {
- if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
- {
- font = GtkGetDefaultGuiFont();
- }
-
- if ( !font )
- {
- // do we have the XLFD?
- if ( M_FONTDATA->HasNativeFont() )
- {
- font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName());
- }
-
- // no XLFD of no exact match - try the approximate one now
- if ( !font )
- {
- wxString xfontname;
- font = wxLoadQueryNearestFont( point_scale,
- M_FONTDATA->m_family,
- M_FONTDATA->m_style,
- M_FONTDATA->m_weight,
- M_FONTDATA->m_underlined,
- M_FONTDATA->m_faceName,
- M_FONTDATA->m_encoding,
- &xfontname);
- if ( font )
- {
- M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname);
- }
- }
- }
-
- if ( font )
- {
- M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
- }
- }
-
- // it's quite useless to make it a wxCHECK because we're going to crash
- // anyhow...
- wxASSERT_MSG( font, wxT("could not load any font?") );
+ Unshare();
- return font;
+ M_FONTDATA->SetNoAntiAliasing( no );
}
-
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