Blind fix for bug #1209944, wxFileConfig constructor corrupts the stack

[wxWidgets.git] / src / gtk1 / font.cpp

diff --git a/src/gtk1/font.cpp b/src/gtk1/font.cpp
index 8735f843f7a2c0571a87a100dda62d2bac96150f..853e34a68ccffb3516b00b6df548060f2a30ba8c 100644 (file)
--- a/src/gtk1/font.cpp
+++ b/src/gtk1/font.cpp
@@ -3,7 +3,7 @@
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -15,10 +15,13 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "font.h"
 #endif
 
     #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"
 #include "wx/cmndata.h"
 #include "wx/font.h"
 #include "wx/fontutil.h"
 #include "wx/cmndata.h"


@@ -94,7 +97,7 @@ public:
     void SetEncoding(wxFontEncoding encoding);
 
     void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; }
     void SetEncoding(wxFontEncoding encoding);
 
     void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; }

-    bool GetNoAntiAliasing() { return m_noAA; }
+    bool GetNoAntiAliasing() const { return m_noAA; }

 
     // and this one also modifies all the other font data fields
     void SetNativeFontInfo(const wxNativeFontInfo& info);
 
     // and this one also modifies all the other font data fields
     void SetNativeFontInfo(const wxNativeFontInfo& info);


@@ -233,6 +236,11 @@ void wxFontRefData::InitFromNative()
     // init fields
     m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
 
     // 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)
+        pango_font_description_set_size( desc, 12 * PANGO_SCALE);
+

     m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
 
     switch (pango_font_description_get_style( desc ))
     m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
 
     switch (pango_font_description_get_style( desc ))


@@ -248,26 +256,19 @@ void wxFontRefData::InitFromNative()
             break;
     }
 
             break;
     }
 

-    switch (pango_font_description_get_weight( desc ))
+    PangoWeight pango_weight = pango_font_description_get_weight( desc );
+
+    if (pango_weight >= 600)

     {
     {

-        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;
+        m_weight = wxFONTWEIGHT_BOLD;
+    }
+    else if (pango_weight < 350)
+    {
+        m_weight = wxFONTWEIGHT_LIGHT;
+    }
+    else
+    {
+        m_weight = wxFONTWEIGHT_NORMAL;

     }
 
     if (m_faceName == wxT("monospace"))
     }
 
     if (m_faceName == wxT("monospace"))


@@ -766,23 +767,28 @@ wxFontEncoding wxFont::GetEncoding() const
     return M_FONTDATA->m_encoding;
 }
 
     return M_FONTDATA->m_encoding;
 }
 

-bool wxFont::GetNoAntiAliasing()
+bool wxFont::GetNoAntiAliasing() const

 {
     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 
     return M_FONTDATA->m_noAA;
 }
 
 {
     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 
     return M_FONTDATA->m_noAA;
 }
 

-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const

 {
     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 
 #ifndef __WXGTK20__
 {
     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 
 #ifndef __WXGTK20__

-    if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
+    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();
         GetInternalFont();

+    }

 #endif
 
 #endif
 

-    return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
+    return &(M_FONTDATA->m_nativeFontInfo);

 }
 
 bool wxFont::IsFixedWidth() const
 }
 
 bool wxFont::IsFixedWidth() const


@@ -930,7 +936,7 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
         if ( !font )
         {
             // do we have the XLFD?
         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());
             }
             {
                 font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName());
             }


@@ -947,10 +953,10 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
                                                M_FONTDATA->m_faceName,
                                                M_FONTDATA->m_encoding,
                                                &xfontname);
                                                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);
                     M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname);

-                }

             }
         }
 
             }
         }