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[wxWidgets.git] / src / x11 / font.cpp

diff --git a/src/x11/font.cpp b/src/x11/font.cpp
index 3e57b0e44442be978244d6085698e0c0b02f598c..859175c11bfb522768cc126c36ed29701dabd4f8 100644 (file)
--- a/src/x11/font.cpp
+++ b/src/x11/font.cpp
@@ -9,6 +9,9 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 // ============================================================================
 // declarations
 // ============================================================================
 // ============================================================================
 // declarations
 // ============================================================================


@@ -17,10 +20,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
-

 #ifdef __VMS
 #pragma message disable nosimpint
 #include "wx/vms_x_fix.h"
 #ifdef __VMS
 #pragma message disable nosimpint
 #include "wx/vms_x_fix.h"


@@ -30,14 +29,18 @@
 #pragma message enable nosimpint
 #endif
 
 #pragma message enable nosimpint
 #endif
 

-#include "wx/defs.h"
-#include "wx/string.h"

 #include "wx/font.h"
 #include "wx/font.h"

-#include "wx/gdicmn.h"
-#include "wx/utils.h"       // for wxGetDisplay()
+
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/utils.h"       // for wxGetDisplay()
+    #include "wx/settings.h"
+    #include "wx/gdicmn.h"
+#endif
+

 #include "wx/fontutil.h"    // for wxNativeFontInfo
 #include "wx/tokenzr.h"
 #include "wx/fontutil.h"    // for wxNativeFontInfo
 #include "wx/tokenzr.h"

-#include "wx/settings.h"
+#include "wx/fontenum.h"

 
 #include "wx/x11/private.h"
 
 
 #include "wx/x11/private.h"
 


@@ -63,7 +66,7 @@ class wxXFont : public wxObject
 {
 public:
     wxXFont();
 {
 public:
     wxXFont();

-    ~wxXFont();
+    virtual ~wxXFont();

 
     WXFontStructPtr     m_fontStruct;   // XFontStruct
     WXDisplay*          m_display;      // XDisplay
 
     WXFontStructPtr     m_fontStruct;   // XFontStruct
     WXDisplay*          m_display;      // XDisplay


@@ -79,10 +82,10 @@ wxXFont::wxXFont()
 
 wxXFont::~wxXFont()
 {
 
 wxXFont::~wxXFont()
 {

-    // TODO: why does freeing the font produce a segv???
-    // Note that XFreeFont wasn't called in wxWin 1.68 either.
-    // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
-    //        XFreeFont((Display*) m_display, fontStruct);
+    // Freeing the font used to produce a segv, but
+    // appears to be OK now (bug fix in X11?)
+    XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
+    XFreeFont((Display*) m_display, fontStruct);

 }
 #endif
 
 }
 #endif
 


@@ -99,7 +102,7 @@ public:
                   int family = wxDEFAULT,
                   int style = wxDEFAULT,
                   int weight = wxDEFAULT,
                   int family = wxDEFAULT,
                   int style = wxDEFAULT,
                   int weight = wxDEFAULT,

-                  bool underlined = FALSE,
+                  bool underlined = false,

                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 


@@ -119,11 +122,11 @@ public:
     void SetStyle(int style);
     void SetWeight(int weight);
     void SetUnderlined(bool underlined);
     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);
 
     void SetEncoding(wxFontEncoding encoding);
 

-    void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; }
-    bool GetNoAntiAliasing() { return m_noAA; }
+    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);
 
     // and this one also modifies all the other font data fields
     void SetNativeFontInfo(const wxNativeFontInfo& info);


@@ -162,6 +165,8 @@ protected:
 #endif
 };
 
 #endif
 };
 

+#define M_FONTDATA ((wxFontRefData*)m_refData)
+

 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------


@@ -182,42 +187,52 @@ void wxFontRefData::Init(int pointSize,
     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 
     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 

-    // 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_underlined = underlined;
     m_encoding = encoding;
 
 #if wxUSE_UNICODE
     m_underlined = underlined;
     m_encoding = encoding;
 
 #if wxUSE_UNICODE

+    if ( m_nativeFontInfo.description )
+        pango_font_description_free(m_nativeFontInfo.description);
+

     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 
     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 

-    // And set its values
-    switch (m_family)
+    // if a face name is specified, use it if it's available, otherwise use
+    // just the family
+    if ( faceName.empty() || !wxFontEnumerator::IsValidFacename(faceName) )

     {
     {

-        case wxFONTFAMILY_MODERN:
-        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;
+        // TODO: scan system for valid fonts matching the given family instead
+        //       of hardcoding them here
+        switch ( m_family )
+        {
+            case wxFONTFAMILY_TELETYPE:
+                m_faceName = wxT("monospace");
+                break;
+
+            case wxFONTFAMILY_ROMAN:
+                m_faceName = wxT("serif");
+                break;
+
+            default:
+                m_faceName = wxT("sans");
+        }

     }
     }

-    SetStyle( m_style );
-    SetPointSize( m_pointSize );
-    SetWeight( m_weight );
-#endif
+    else // specified face name is available, use it
+    {
+        m_faceName = faceName;
+    }
+
+    m_nativeFontInfo.SetFaceName(m_faceName);
+    m_nativeFontInfo.SetWeight((wxFontWeight)m_weight);
+    m_nativeFontInfo.SetStyle((wxFontStyle)m_style);
+#endif // wxUSE_UNICODE
+
+    SetPointSize(pointSize);

 }
 
 void wxFontRefData::InitFromNative()
 {
 }
 
 void wxFontRefData::InitFromNative()
 {

-    m_noAA = FALSE;
+    m_noAA = false;

 
 #if wxUSE_UNICODE
     // Get native info
 
 #if wxUSE_UNICODE
     // Get native info


@@ -241,23 +256,27 @@ void wxFontRefData::InitFromNative()
             break;
     }
 
             break;
     }
 

+// Not defined in some Pango versions
+#define wxPANGO_WEIGHT_SEMIBOLD 600
+

     switch (pango_font_description_get_weight( desc ))
     {
         case PANGO_WEIGHT_ULTRALIGHT:
     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_LIGHT:
             m_weight = wxFONTWEIGHT_LIGHT;
             break;

+
+        default:
+            wxFAIL_MSG(_T("unknown Pango font weight"));
+            // fall through
+

         case PANGO_WEIGHT_NORMAL:
             m_weight = wxFONTWEIGHT_NORMAL;
             break;
         case PANGO_WEIGHT_NORMAL:
             m_weight = wxFONTWEIGHT_NORMAL;
             break;

+
+        case wxPANGO_WEIGHT_SEMIBOLD:

         case PANGO_WEIGHT_BOLD:
         case PANGO_WEIGHT_BOLD:

-            m_weight = wxFONTWEIGHT_BOLD;
-            break;

         case PANGO_WEIGHT_ULTRABOLD:
         case PANGO_WEIGHT_ULTRABOLD:

-            m_weight = wxFONTWEIGHT_BOLD;
-            break;

         case PANGO_WEIGHT_HEAVY:
             m_weight = wxFONTWEIGHT_BOLD;
             break;
         case PANGO_WEIGHT_HEAVY:
             m_weight = wxFONTWEIGHT_BOLD;
             break;


@@ -277,7 +296,7 @@ void wxFontRefData::InitFromNative()
     }
 
     // Pango description are never underlined (?)
     }
 
     // Pango description are never underlined (?)

-    m_underlined = FALSE;
+    m_underlined = false;

 
     // Cannot we choose that
     m_encoding = wxFONTENCODING_SYSTEM;
 
     // Cannot we choose that
     m_encoding = wxFONTENCODING_SYSTEM;


@@ -347,7 +366,7 @@ void wxFontRefData::InitFromNative()
     }
 
     // X fonts are never underlined...
     }
 
     // X fonts are never underlined...

-    m_underlined = FALSE;
+    m_underlined = false;

 
     // deal with font encoding
     wxString
 
     // deal with font encoding
     wxString


@@ -446,13 +465,12 @@ wxFontRefData::~wxFontRefData()
 
 void wxFontRefData::SetPointSize(int pointSize)
 {
 
 void wxFontRefData::SetPointSize(int pointSize)
 {

-    m_pointSize = pointSize;
+    // NB: Pango doesn't support point sizes less than 1
+    m_pointSize = pointSize == wxDEFAULT || pointSize < 1 ? wxDEFAULT_FONT_SIZE
+                                                          : pointSize;

 
 #if wxUSE_UNICODE
 
 #if wxUSE_UNICODE

-    // Get native info
-    PangoFontDescription *desc = m_nativeFontInfo.description;
-
-    pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
+    m_nativeFontInfo.SetPointSize(m_pointSize);

 #endif
 }
 
 #endif
 }
 


@@ -501,9 +519,10 @@ void wxFontRefData::SetUnderlined(bool underlined)
     // the XLFD doesn't have "underlined" field anyhow
 }
 
     // the XLFD doesn't have "underlined" field anyhow
 }
 

-void wxFontRefData::SetFaceName(const wxString& facename)
+bool wxFontRefData::SetFaceName(const wxString& facename)

 {
     m_faceName = facename;
 {
     m_faceName = facename;

+    return true;

 }
 
 void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 }
 
 void wxFontRefData::SetEncoding(wxFontEncoding encoding)


@@ -526,14 +545,8 @@ void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 // wxFont
 // ----------------------------------------------------------------------------
 
 // wxFont
 // ----------------------------------------------------------------------------
 

-void wxFont::Init()
-{
-}
-

 wxFont::wxFont(const wxNativeFontInfo& info)
 {
 wxFont::wxFont(const wxNativeFontInfo& info)
 {

-    Init();
-

 #if wxUSE_UNICODE
     Create( info.GetPointSize(),
             info.GetFamily(),
 #if wxUSE_UNICODE
     Create( info.GetPointSize(),
             info.GetFamily(),


@@ -560,7 +573,7 @@ bool wxFont::Create(int pointSize,
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, faceName, encoding);
 
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, faceName, encoding);
 

-    return TRUE;
+    return true;

 }
 
 #if !wxUSE_UNICODE
 }
 
 #if !wxUSE_UNICODE


@@ -570,7 +583,7 @@ bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
     if( !fontname )
     {
         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
     if( !fontname )
     {
         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);

-        return TRUE;
+        return true;

     }
 
     m_refData = new wxFontRefData();
     }
 
     m_refData = new wxFontRefData();


@@ -663,9 +676,9 @@ bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
         }
         //else: unknown encoding - may be give a warning here?
         else
         }
         //else: unknown encoding - may be give a warning here?
         else

-            return FALSE;
+            return false;

     }
     }

-    return TRUE;
+    return true;

 }
 #endif // !wxUSE_UNICODE
 
 }
 #endif // !wxUSE_UNICODE
 


@@ -705,7 +718,7 @@ int wxFont::GetPointSize() const
 
 wxString wxFont::GetFaceName() const
 {
 
 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->m_faceName;
 }


@@ -733,7 +746,7 @@ int wxFont::GetWeight() const
 
 bool wxFont::GetUnderlined() const
 {
 
 bool wxFont::GetUnderlined() const
 {

-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );

 
     return M_FONTDATA->m_underlined;
 }
 
     return M_FONTDATA->m_underlined;
 }


@@ -745,14 +758,14 @@ 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") );
 
 {
     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 


@@ -762,17 +775,18 @@ wxNativeFontInfo *wxFont::GetNativeFontInfo() const
         GetInternalFont();
 #endif
 
         GetInternalFont();
 #endif
 

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

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

-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );

 
 #if wxUSE_UNICODE
 
 #if wxUSE_UNICODE

+   return wxFontBase::IsFixedWidth();

 #else
     // Robert, is this right? HasNativeFont doesn't exist.
 #else
     // Robert, is this right? HasNativeFont doesn't exist.

-    if ( TRUE )
+    if ( true )

     //    if ( M_FONTDATA->HasNativeFont() )
     {
         // the monospace fonts are supposed to have "M" in the spacing field
     //    if ( M_FONTDATA->HasNativeFont() )
     {
         // the monospace fonts are supposed to have "M" in the spacing field


@@ -781,9 +795,10 @@ bool wxFont::IsFixedWidth() const
 
         return spacing.Upper() == _T('M');
     }
 
         return spacing.Upper() == _T('M');
     }

+   // Unreaceable code for now
+   // return wxFontBase::IsFixedWidth();

 #endif
 
 #endif
 

-    return wxFontBase::IsFixedWidth();

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -818,11 +833,12 @@ void wxFont::SetWeight(int weight)
     M_FONTDATA->SetWeight(weight);
 }
 
     M_FONTDATA->SetWeight(weight);
 }
 

-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)

 {
     Unshare();
 
 {
     Unshare();
 

-    M_FONTDATA->SetFaceName(faceName);
+    return M_FONTDATA->SetFaceName(faceName) &&
+        wxFontBase::SetFaceName(faceName);

 }
 
 void wxFont::SetUnderlined(bool underlined)
 }
 
 void wxFont::SetUnderlined(bool underlined)


@@ -881,6 +897,11 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
         node = node->GetNext();
     }
 
         node = node->GetNext();
     }
 

+    wxString xFontName = M_FONTDATA->m_nativeFontInfo.GetXFontName();
+    if (xFontName == "-*-*-*-*-*--*-*-*-*-*-*-*-*")
+      // wxFont constructor not called with native font info parameter => take M_FONTDATA values
+      xFontName.Clear();
+

     // not found, create a new one
     XFontStruct *font = (XFontStruct *)
                         wxLoadQueryNearestFont(pointSize,
     // not found, create a new one
     XFontStruct *font = (XFontStruct *)
                         wxLoadQueryNearestFont(pointSize,


@@ -889,7 +910,8 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
                                                M_FONTDATA->m_weight,
                                                M_FONTDATA->m_underlined,
                                                wxT(""),
                                                M_FONTDATA->m_weight,
                                                M_FONTDATA->m_underlined,
                                                wxT(""),

-                                               M_FONTDATA->m_encoding);
+                                               M_FONTDATA->m_encoding,
+                                               & xFontName);

 
     if ( !font )
     {
 
     if ( !font )
     {