X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a732ef9150af570e41e3c922c1f025c1bfe56ac2..81f6ea4a29eb815dbed0adea369efdc8fece0269:/src/gtk/font.cpp

diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp
index cc862c4931..e174e7c2d0 100644
--- a/src/gtk/font.cpp
+++ b/src/gtk/font.cpp
@@ -3,7 +3,7 @@
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
@@ -15,9 +15,8 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/font.h"
 #include "wx/fontutil.h"
@@ -41,15 +40,11 @@
 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
@@ -79,10 +74,12 @@ public:
     bool HasNativeFont() const
     {
 #ifdef __WXGTK20__
-        return TRUE;  // ?
-#else
+        // we always have a Pango font description
+        return TRUE;
+#else // GTK 1.x
+        // only use m_nativeFontInfo if it had been initialized
         return !m_nativeFontInfo.IsDefault();
-#endif
+#endif // GTK 2.0/1.x
     }
 
     // setters: all of them also take care to modify m_nativeFontInfo if we
@@ -95,6 +92,12 @@ public:
     void SetFaceName(const wxString& facename);
     void SetEncoding(wxFontEncoding encoding);
 
+    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);
+
     // debugger helper: shows what the font really is
     //
     // VZ: I need this as my gdb either shows wildly wrong values or crashes
@@ -125,13 +128,18 @@ protected:
               const wxString& faceName,
               wxFontEncoding encoding);
 
+    // set all fields from (already initialized and valid) m_nativeFontInfo
+    void InitFromNative();
+
 private:
+    // clear m_scaled_xfonts if any
+    void ClearGdkFonts();
+
 #ifndef __WXGTK20__
     // the map of font sizes to "GdkFont *"
     wxScaledFontList  m_scaled_xfonts;
-#endif
+#endif // GTK 2.0/1.x
 
-    // the broken down font parameters
     int             m_pointSize;
     int             m_family,
                     m_style,
@@ -139,6 +147,7 @@ private:
     bool            m_underlined;
     wxString        m_faceName;
     wxFontEncoding  m_encoding;  // Unused under GTK 2.0
+    bool            m_noAA;      // No anti-aliasing
 
     // The native font info, basicly an XFLD under GTK 1.2 and
     // the pango font description under GTK 2.0.
@@ -147,12 +156,8 @@ private:
     friend class wxFont;
 };
 
-// ============================================================================
-// wxFontRefData implementation
-// ============================================================================
-
 // ----------------------------------------------------------------------------
-// wxFontRefData creation
+// wxFontRefData
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
@@ -173,107 +178,69 @@ 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;
-    
-#ifdef __WXGTK20__    
+
+    m_noAA = FALSE;
+
+#ifdef __WXGTK20__
     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 
-    // And set its values    
-    switch (m_family)
+    // And set its values
+    if (!m_faceName.empty())
     {
-        case wxFONTFAMILY_TELETYPE:
-           pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
-           break;
-        case wxFONTFAMILY_SWISS:
-           pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
-           break;
-        default:
-           pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
-           break;
+       pango_font_description_set_family( m_nativeFontInfo.description, wxGTK_CONV(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 );
-#endif
-}
-
-wxFontRefData::wxFontRefData( const wxFontRefData& data )
-    : wxObjectRefData()
-{
-    m_pointSize = data.m_pointSize;
-    m_family = data.m_family;
-    m_style = data.m_style;
-    m_weight = data.m_weight;
-
-    m_underlined = data.m_underlined;
-
-    m_faceName = data.m_faceName;
-    m_encoding = data.m_encoding;
-
-    m_nativeFontInfo = data.m_nativeFontInfo;
+#endif // GTK 2.0
 }
 
-wxFontRefData::wxFontRefData(int size, int family, int style,
-                             int weight, bool underlined,
-                             const wxString& faceName,
-                             wxFontEncoding encoding)
+void wxFontRefData::InitFromNative()
 {
-    Init(size, family, style, weight, underlined, faceName, encoding);
-}
+    m_noAA = FALSE;
 
-wxFontRefData::wxFontRefData(const wxString& fontname)
-{
 #ifdef __WXGTK20__
-    m_nativeFontInfo.FromString( fontname );
-    
     // Get native info
     PangoFontDescription *desc = m_nativeFontInfo.description;
-    
+
     // init fields
     m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
-    
-    m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
-    
-    switch (pango_font_description_get_style( desc ))
-    {
-        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;
-    }
 
-    switch (pango_font_description_get_weight( desc ))
-    {
-        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;
-    }
-    
+    // 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;
@@ -282,6 +249,10 @@ wxFontRefData::wxFontRefData(const wxString& fontname)
     {
         m_family = wxFONTFAMILY_SWISS;
     }
+    else if (m_faceName == wxT("serif"))
+    {
+        m_family = wxFONTFAMILY_ROMAN;
+    }
     else
     {
         m_family = wxFONTFAMILY_UNKNOWN;
@@ -292,10 +263,7 @@ wxFontRefData::wxFontRefData(const wxString& fontname)
 
     // Cannot we choose that
     m_encoding = wxFONTENCODING_SYSTEM;
-#else
-    // remember the X font name
-    m_nativeFontInfo.SetXFontName(fontname);
-
+#else // GTK 1.x
     // get the font parameters from the XLFD
     // -------------------------------------
 
@@ -390,24 +358,71 @@ wxFontRefData::wxFontRefData(const wxString& fontname)
     }
     else // unknown encoding
     {
-        // may be give a warning here?
+        // may be give a warning here? or use wxFontMapper?
         m_encoding = wxFONTENCODING_SYSTEM;
     }
-#endif
+#endif // GTK 2.0/1.x
 }
 
-wxFontRefData::~wxFontRefData()
+wxFontRefData::wxFontRefData( const wxFontRefData& data )
+             : wxObjectRefData()
+{
+    m_pointSize = data.m_pointSize;
+    m_family = data.m_family;
+    m_style = data.m_style;
+    m_weight = data.m_weight;
+
+    m_underlined = data.m_underlined;
+
+    m_faceName = data.m_faceName;
+    m_encoding = data.m_encoding;
+
+    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,
+                             int weight, bool underlined,
+                             const wxString& faceName,
+                             wxFontEncoding encoding)
+{
+    Init(size, family, style, weight, underlined, faceName, encoding);
+}
+
+wxFontRefData::wxFontRefData(const wxString& fontname)
+{
+    // VZ: FromString() should really work in both cases, doesn't it?
+#ifdef __WXGTK20__
+    m_nativeFontInfo.FromString( fontname );
+#else // GTK 1.x
+    m_nativeFontInfo.SetXFontName(fontname);
+#endif // GTK 2.0/1.x
+
+    InitFromNative();
+}
+
+void wxFontRefData::ClearGdkFonts()
 {
 #ifndef __WXGTK20__
-    wxNode *node = m_scaled_xfonts.First();
-    while (node)
+    for ( wxScaledFontList::iterator i = m_scaled_xfonts.begin();
+          i != m_scaled_xfonts.end();
+          ++i )
     {
-        GdkFont *font = (GdkFont*)node->Data();
-        wxNode *next = node->Next();
+        GdkFont *font = i->second;
         gdk_font_unref( font );
-        node = next;
     }
-#endif
+
+    m_scaled_xfonts.clear();
+#endif // GTK 1.x
+}
+
+wxFontRefData::~wxFontRefData()
+{
+    ClearGdkFonts();
 }
 
 // ----------------------------------------------------------------------------
@@ -419,10 +434,7 @@ void wxFontRefData::SetPointSize(int pointSize)
     m_pointSize = pointSize;
 
 #ifdef __WXGTK20__
-    // Get native info
-    PangoFontDescription *desc = m_nativeFontInfo.description;
-    
-    pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
+    m_nativeFontInfo.SetPointSize(pointSize);
 #else
     if ( HasNativeFont() )
     {
@@ -449,24 +461,7 @@ void wxFontRefData::SetStyle(int style)
     m_style = style;
 
 #ifdef __WXGTK20__
-    // Get native info
-    PangoFontDescription *desc = m_nativeFontInfo.description;
-    
-    switch ( style )
-    {
-        case wxFONTSTYLE_ITALIC:
-            pango_font_description_set_style( desc, PANGO_STYLE_ITALIC );
-            break;
-        case wxFONTSTYLE_SLANT:
-            pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE );
-            break;
-        default:
-            wxFAIL_MSG( _T("unknown font style") );
-            // fall through
-        case wxFONTSTYLE_NORMAL:
-            pango_font_description_set_style( desc, PANGO_STYLE_NORMAL );
-            break;
-    }
+    m_nativeFontInfo.SetStyle((wxFontStyle)style);
 #else
     if ( HasNativeFont() )
     {
@@ -498,7 +493,9 @@ void wxFontRefData::SetWeight(int weight)
 {
     m_weight = weight;
 
-#ifndef __WXGTK20__
+#ifdef __WXGTK20__
+    m_nativeFontInfo.SetWeight((wxFontWeight)weight);
+#else //!__WXGTK20__
     if ( HasNativeFont() )
     {
         wxString boldness;
@@ -537,7 +534,9 @@ void wxFontRefData::SetFaceName(const wxString& facename)
 {
     m_faceName = facename;
 
-#ifndef __WXGTK20__
+#ifdef __WXGTK20__
+    m_nativeFontInfo.SetFaceName(facename);
+#else
     if ( HasNativeFont() )
     {
         m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename);
@@ -562,9 +561,16 @@ void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 #endif
 }
 
-// ============================================================================
-// 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
@@ -581,7 +587,7 @@ wxFont::wxFont(const wxNativeFontInfo& info)
     Init();
 
 #ifdef __WXGTK20__
-    Create( info.GetPointSize(), 
+    Create( info.GetPointSize(),
             info.GetFamily(),
             info.GetStyle(),
             info.GetWeight(),
@@ -589,7 +595,7 @@ wxFont::wxFont(const wxNativeFontInfo& info)
             info.GetFaceName(),
             info.GetEncoding() );
 #else
-    Create(info.GetXFontName());
+    (void) Create(info.GetXFontName());
 #endif
 }
 
@@ -601,6 +607,8 @@ bool wxFont::Create( int pointSize,
                      const wxString& face,
                      wxFontEncoding encoding)
 {
+    UnRef();
+
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, face, encoding);
 
@@ -644,42 +652,71 @@ wxFont::~wxFont()
 // accessors
 // ----------------------------------------------------------------------------
 
-// all accessors are just forwarded to wxFontRefData which has everything we
-// need
-
 int wxFont::GetPointSize() const
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
+#if wxUSE_PANGO
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize()
+                                       : M_FONTDATA->m_pointSize;
+#else
     return M_FONTDATA->m_pointSize;
+#endif
 }
 
 wxString wxFont::GetFaceName() const
 {
     wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
 
+#if wxUSE_PANGO
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName()
+                                       : M_FONTDATA->m_faceName;
+#else
     return M_FONTDATA->m_faceName;
+#endif
 }
 
 int wxFont::GetFamily() const
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
+#if wxUSE_PANGO
+    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;
+#else
     return M_FONTDATA->m_family;
+#endif
 }
 
 int wxFont::GetStyle() const
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
+#if wxUSE_PANGO
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle()
+                                       : M_FONTDATA->m_style;
+#else
     return M_FONTDATA->m_style;
+#endif
 }
 
 int wxFont::GetWeight() const
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
+#if wxUSE_PANGO
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight()
+                                       : M_FONTDATA->m_weight;
+#else
     return M_FONTDATA->m_weight;
+#endif
 }
 
 bool wxFont::GetUnderlined() const
@@ -693,19 +730,32 @@ wxFontEncoding wxFont::GetEncoding() const
 {
     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 
+    // m_encoding is unused in wxGTK2, return encoding that the user set.
     return M_FONTDATA->m_encoding;
 }
 
-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+bool wxFont::GetNoAntiAliasing() const
+{
+    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+
+    return M_FONTDATA->m_noAA;
+}
+
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {
     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 
-#ifndef __WXGTK20__  // ???
-    if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
+#ifndef __WXGTK20__
+    if ( !M_FONTDATA->HasNativeFont() )
+    {
+        // NB: this call has important side-effect: it not only finds
+        //     GdkFont representation, it also initializes m_nativeFontInfo
+        //     by calling its SetXFontName method
         GetInternalFont();
+    }
 #endif
 
-    return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
+    return &(M_FONTDATA->m_nativeFontInfo);
 }
 
 bool wxFont::IsFixedWidth() const
@@ -733,7 +783,7 @@ bool wxFont::IsFixedWidth() const
 void wxFont::SetPointSize(int pointSize)
 {
     Unshare();
-        
+
     M_FONTDATA->SetPointSize(pointSize);
 }
 
@@ -779,17 +829,25 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
     M_FONTDATA->SetEncoding(encoding);
 }
 
-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
+{
+    Unshare();
+
+    M_FONTDATA->SetNativeFontInfo( info );
+}
+
+void wxFont::SetNoAntiAliasing( bool no )
 {
     Unshare();
 
-    M_FONTDATA->m_nativeFontInfo = info;
+    M_FONTDATA->SetNoAntiAliasing( no );
 }
 
 // ----------------------------------------------------------------------------
 // get internal representation of font
 // ----------------------------------------------------------------------------
 
+#ifndef __WXGTK20__
 static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL;
 
 // this is also used from tbargtk.cpp and tooltip.cpp, hence extern
@@ -801,13 +859,13 @@ extern GdkFont *GtkGetDefaultGuiFont()
         GtkStyle *def = gtk_rc_get_style( widget );
         if (def)
         {
-            g_systemDefaultGuiFont = gdk_font_ref( GET_STYLE_FONT(def) );
+            g_systemDefaultGuiFont = gdk_font_ref( def->font );
         }
         else
         {
             def = gtk_widget_get_default_style();
             if (def)
-                g_systemDefaultGuiFont = gdk_font_ref( GET_STYLE_FONT(def) );
+                g_systemDefaultGuiFont = gdk_font_ref( def->font );
         }
         gtk_widget_destroy( widget );
     }
@@ -826,25 +884,14 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
 
     wxCHECK_MSG( Ok(), font, wxT("invalid font") )
 
-#ifdef __WXGTK20__
-    if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
-    {
-        font = GtkGetDefaultGuiFont();
-    }
-    else
-    {
-        PangoFontDescription *font_description = GetNativeFontInfo()->description;
-        
-        font = gdk_font_from_description( font_description );
-    }
-#else
     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)
+    wxScaledFontList& list = M_FONTDATA->m_scaled_xfonts;
+    wxScaledFontList::iterator i = list.find(int_scale);
+    if ( i != list.end() )
     {
-        font = (GdkFont*)node->Data();
+        font = i->second;
     }
     else // we don't have this font in this size yet
     {
@@ -856,7 +903,7 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
         if ( !font )
         {
             // do we have the XLFD?
-            if ( M_FONTDATA->HasNativeFont() )
+            if ( int_scale == 100 && M_FONTDATA->HasNativeFont() )
             {
                 font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName());
             }
@@ -873,19 +920,18 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
                                                M_FONTDATA->m_faceName,
                                                M_FONTDATA->m_encoding,
                                                &xfontname);
-                if ( font )
-                {
+                // NB: wxFont::GetNativeFontInfo relies on this
+                //     side-effect of GetInternalFont
+                if ( int_scale == 100 )
                     M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname);
-                }
             }
         }
 
         if ( font )
         {
-            M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
+            list[int_scale] = font;
         }
     }
-#endif  // GTK 2.0
 
     // it's quite useless to make it a wxCHECK because we're going to crash
     // anyhow...
@@ -893,4 +939,5 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
 
     return font;
 }
+#endif  // not GTK 2.0