Fix line indices translation in wxGrid::DoEndDragResizeLine().

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

diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp
index ea4997a099f284d49ec46270bb2b6760cf15f3a9..d011c26b35f8e7c48ac8912d95b4a1ccc2aa119c 100644 (file)
--- a/src/gtk/font.cpp
+++ b/src/gtk/font.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/gtk/font.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/gtk/font.cpp

-// Purpose:
+// Purpose:     wxFont for wxGTK

 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling and Julian Smart
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling and Julian Smart


@@ -56,21 +56,13 @@ public:
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 

-    // from XFLD
-    wxFontRefData(const wxString& fontname);
+    wxFontRefData(const wxString& nativeFontInfoString);

 
     // copy ctor
     wxFontRefData( const wxFontRefData& data );
 
     virtual ~wxFontRefData();
 
 
     // copy ctor
     wxFontRefData( const wxFontRefData& data );
 
     virtual ~wxFontRefData();
 

-    // do we have the native font info?
-    bool HasNativeFont() const
-    {
-        // we always have a Pango font description
-        return true;
-    }
-

     // setters: all of them also take care to modify m_nativeFontInfo if we
     // have it so as to not lose the information not carried by our fields
     void SetPointSize(int pointSize);
     // setters: all of them also take care to modify m_nativeFontInfo if we
     // have it so as to not lose the information not carried by our fields
     void SetPointSize(int pointSize);


@@ -81,9 +73,6 @@ public:
     bool SetFaceName(const wxString& facename);
     void SetEncoding(wxFontEncoding encoding);
 
     bool 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);
 
     // and this one also modifies all the other font data fields
     void SetNativeFontInfo(const wxNativeFontInfo& info);
 


@@ -101,20 +90,9 @@ protected:
     void InitFromNative();
 
 private:
     void InitFromNative();
 
 private:

-    // clear m_scaled_xfonts if any
-    void ClearGdkFonts();
-
-    int             m_pointSize;
-    wxFontFamily    m_family;
-    wxFontStyle     m_style;
-    wxFontWeight    m_weight;

     bool            m_underlined;
     bool            m_underlined;

-    wxString        m_faceName;
-    wxFontEncoding  m_encoding;
-    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.
+    // The native font info: basically a PangoFontDescription

     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;
     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;


@@ -132,120 +110,53 @@ void wxFontRefData::Init(int pointSize,
                          wxFontWeight weight,
                          bool underlined,
                          const wxString& faceName,
                          wxFontWeight weight,
                          bool underlined,
                          const wxString& faceName,

-                         wxFontEncoding encoding)
+                         wxFontEncoding WXUNUSED(encoding))

 {
 {

-    m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
-
-    m_faceName = faceName;
-
-    // we accept both wxDEFAULT and wxNORMAL here - should we?
-    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;
+    if (family == wxFONTFAMILY_DEFAULT)
+        family = wxFONTFAMILY_SWISS;

 
     m_underlined = underlined;
 
     m_underlined = underlined;

-    m_encoding = encoding;
-    if ( m_encoding == wxFONTENCODING_DEFAULT )
-        m_encoding = wxFont::GetDefaultEncoding();
-
-    m_noAA = false;

 
     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 
     // And set its values
 
     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 
     // And set its values

-    if (!m_faceName.empty())
+    if (!faceName.empty())

     {
     {

-       pango_font_description_set_family( m_nativeFontInfo.description,
-                                          wxGTK_CONV_SYS(m_faceName) );
+        pango_font_description_set_family( m_nativeFontInfo.description,
+                                           wxGTK_CONV_SYS(faceName) );

     }
     else
     {
     }
     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;
-        }
+        SetFamily(family);

     }
 
     }
 

-    SetStyle( m_style );
-    SetPointSize( m_pointSize );
-    SetWeight( m_weight );
+    SetStyle( style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style );
+    SetPointSize( (pointSize == wxDEFAULT || pointSize == -1)
+                    ? wxDEFAULT_FONT_SIZE
+                    : pointSize );
+    SetWeight( weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight );

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

-    m_noAA = false;
-

     // Get native info
     PangoFontDescription *desc = m_nativeFontInfo.description;
 
     // Get native info
     PangoFontDescription *desc = m_nativeFontInfo.description;
 

-    // init fields
-    m_faceName = wxGTK_CONV_BACK_SYS(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 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();
+        m_nativeFontInfo.SetPointSize(wxDEFAULT_FONT_SIZE);

 
 

-    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 (?)
+    // Pango description are never underlined

     m_underlined = false;
     m_underlined = false;

-
-    // always with GTK+ 2
-    m_encoding = wxFONTENCODING_UTF8;

 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
              : wxGDIRefData()
 {
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
              : wxGDIRefData()
 {

-    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_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...
     // 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...


@@ -260,20 +171,15 @@ wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style,
     Init(size, family, style, weight, underlined, faceName, encoding);
 }
 
     Init(size, family, style, weight, underlined, faceName, encoding);
 }
 

-wxFontRefData::wxFontRefData(const wxString& fontname)
+wxFontRefData::wxFontRefData(const wxString& nativeFontInfoString)

 {
 {

-    m_nativeFontInfo.FromString( fontname );
+    m_nativeFontInfo.FromString( nativeFontInfoString );

 
     InitFromNative();
 }
 
 
     InitFromNative();
 }
 

-void wxFontRefData::ClearGdkFonts()
-{
-}
-

 wxFontRefData::~wxFontRefData()
 {
 wxFontRefData::~wxFontRefData()
 {

-    ClearGdkFonts();

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


@@ -282,56 +188,75 @@ wxFontRefData::~wxFontRefData()
 
 void wxFontRefData::SetPointSize(int pointSize)
 {
 
 void wxFontRefData::SetPointSize(int pointSize)
 {

-    m_pointSize = pointSize;
-

     m_nativeFontInfo.SetPointSize(pointSize);
 }
 
     m_nativeFontInfo.SetPointSize(pointSize);
 }
 

-void wxFontRefData::SetFamily(wxFontFamily family)
+/*
+    NOTE: disabled because pango_font_description_set_absolute_size() and
+          wxDC::GetCharHeight() do not mix well: setting with the former a pixel
+          size of "30" makes the latter return 36...
+          Besides, we need to return GetPointSize() a point size value even if
+          SetPixelSize() was used and this would require further changes
+          (and use of pango_font_description_get_size_is_absolute in some places).
+
+bool wxFontRefData::SetPixelSize(const wxSize& pixelSize)

 {
 {

-    m_family = family;
+    wxCHECK_MSG( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, false,
+                 "Negative values for the pixel size or zero pixel height are not allowed" );
+
+    if (wx_pango_version_check(1,8,0) != NULL ||
+        pixelSize.GetWidth() != 0)
+    {
+        // NOTE: pango_font_description_set_absolute_size() only sets the font height;
+        //       if the user set the pixel width of the font explicitly or the pango
+        //       library is too old, we cannot proceed
+        return false;
+    }

 
 

-    // TODO: what are we supposed to do with m_nativeFontInfo here?
+    pango_font_description_set_absolute_size( m_nativeFontInfo.description,
+                                              pixelSize.GetHeight() * PANGO_SCALE );
+
+    return true;

 }
 }

+*/

 
 

-void wxFontRefData::SetStyle(wxFontStyle style)
+void wxFontRefData::SetFamily(wxFontFamily family)

 {
 {

-    m_style = style;
+    m_nativeFontInfo.SetFamily(family);
+}

 
 

-    m_nativeFontInfo.SetStyle((wxFontStyle)style);
+void wxFontRefData::SetStyle(wxFontStyle style)
+{
+    m_nativeFontInfo.SetStyle(style);

 }
 
 void wxFontRefData::SetWeight(wxFontWeight weight)
 {
 }
 
 void wxFontRefData::SetWeight(wxFontWeight weight)
 {

-    m_weight = weight;
-
-    m_nativeFontInfo.SetWeight((wxFontWeight)weight);
+    m_nativeFontInfo.SetWeight(weight);

 }
 
 void wxFontRefData::SetUnderlined(bool underlined)
 {
     m_underlined = underlined;
 
 }
 
 void wxFontRefData::SetUnderlined(bool underlined)
 {
     m_underlined = underlined;
 

-    // the XLFD doesn't have "underlined" field anyhow
+    // the Pango font descriptor does not have an underlined attribute
+    // (and wxNativeFontInfo::SetUnderlined asserts); rather it's
+    // wxWindowDCImpl::DoDrawText that handles underlined fonts, so we
+    // here we just need to save the underlined attribute

 }
 
 bool wxFontRefData::SetFaceName(const wxString& facename)
 {
 }
 
 bool wxFontRefData::SetFaceName(const wxString& facename)
 {

-    m_faceName = facename;
-

     return m_nativeFontInfo.SetFaceName(facename);
 }
 
     return m_nativeFontInfo.SetFaceName(facename);
 }
 

-void wxFontRefData::SetEncoding(wxFontEncoding encoding)
+void wxFontRefData::SetEncoding(wxFontEncoding WXUNUSED(encoding))

 {
 {

-    m_encoding = encoding;
+    // with GTK+ 2 Pango always uses UTF8 internally, we cannot change it

 }
 
 void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 {
 }
 
 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
     m_nativeFontInfo = info;
 
     // set all the other font parameters from the native font info


@@ -356,12 +281,12 @@ wxFont::wxFont(const wxNativeFontInfo& info)
 }
 
 bool wxFont::Create( int pointSize,
 }
 
 bool wxFont::Create( int pointSize,

-                    wxFontFamily family,
-                    wxFontStyle style,
-                    wxFontWeight weight,
+                     wxFontFamily family,
+                     wxFontStyle style,
+                     wxFontWeight weight,

                      bool underlined,
                      const wxString& face,
                      bool underlined,
                      const wxString& face,

-                     wxFontEncoding encoding)
+                     wxFontEncoding encoding )

 {
     UnRef();
 
 {
     UnRef();
 


@@ -396,82 +321,64 @@ wxFont::~wxFont()
 
 int wxFont::GetPointSize() const
 {
 
 int wxFont::GetPointSize() const
 {

-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );

 
 

-    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize()
-                                       : M_FONTDATA->m_pointSize;
+    return M_FONTDATA->m_nativeFontInfo.GetPointSize();

 }
 
 wxString wxFont::GetFaceName() const
 {
 }
 
 wxString wxFont::GetFaceName() const
 {

-    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );

 
 

-    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName()
-                                       : M_FONTDATA->m_faceName;
+    return M_FONTDATA->m_nativeFontInfo.GetFaceName();

 }
 
 wxFontFamily wxFont::GetFamily() const
 {
 }
 
 wxFontFamily wxFont::GetFamily() const
 {

-    wxCHECK_MSG( Ok(), wxFONTFAMILY_MAX, wxT("invalid font") );
-
-    wxFontFamily 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();
+    wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") );

 
 

-    if (ret == wxFONTFAMILY_DEFAULT)
-        ret = M_FONTDATA->m_family;
-
-    return ret;
+    return M_FONTDATA->m_nativeFontInfo.GetFamily();

 }
 
 wxFontStyle wxFont::GetStyle() const
 {
 }
 
 wxFontStyle wxFont::GetStyle() const
 {

-    wxCHECK_MSG( Ok(), wxFONTSTYLE_MAX, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );

 
 

-    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle()
-                                       : M_FONTDATA->m_style;
+    return M_FONTDATA->m_nativeFontInfo.GetStyle();

 }
 
 wxFontWeight wxFont::GetWeight() const
 {
 }
 
 wxFontWeight wxFont::GetWeight() const
 {

-    wxCHECK_MSG( Ok(), wxFONTWEIGHT_MAX, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );

 
 

-    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight()
-                                       : M_FONTDATA->m_weight;
+    return M_FONTDATA->m_nativeFontInfo.GetWeight();

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

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

 
     return M_FONTDATA->m_underlined;
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {
 
     return M_FONTDATA->m_underlined;
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {

-    wxCHECK_MSG( Ok(), wxFONTENCODING_SYSTEM, wxT("invalid font") );
-
-    return M_FONTDATA->m_encoding;
-}
-
-bool wxFont::GetNoAntiAliasing() const
-{
-    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxFONTENCODING_SYSTEM, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_noAA;
+    return wxFONTENCODING_UTF8;
+        // Pango always uses UTF8... see also SetEncoding()

 }
 
 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {
 }
 
 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {

-    wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid font") );

 
     return &(M_FONTDATA->m_nativeFontInfo);
 }
 
 bool wxFont::IsFixedWidth() const
 {
 
     return &(M_FONTDATA->m_nativeFontInfo);
 }
 
 bool wxFont::IsFixedWidth() const
 {

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

 
     return wxFontBase::IsFixedWidth();
 }
 
     return wxFontBase::IsFixedWidth();
 }


@@ -537,13 +444,6 @@ void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
     M_FONTDATA->SetNativeFontInfo( info );
 }
 
     M_FONTDATA->SetNativeFontInfo( info );
 }
 

-void wxFont::SetNoAntiAliasing( bool no )
-{
-    AllocExclusive();
-
-    M_FONTDATA->SetNoAntiAliasing( no );
-}
-

 wxGDIRefData* wxFont::CreateGDIRefData() const
 {
     return new wxFontRefData;
 wxGDIRefData* wxFont::CreateGDIRefData() const
 {
     return new wxFontRefData;