added check for self-assignment to wxPrintData::operator=() (thanks HP aCC for a...

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

diff --git a/src/msw/font.cpp b/src/msw/font.cpp
index 6189f9f5059ea8bc7ae7afc75e8bf50628f46e28..911cfd84b5dadec0cd0effb281ad9e321b7f8ea4 100644 (file)
--- a/src/msw/font.cpp
+++ b/src/msw/font.cpp
@@ -39,6 +39,10 @@
 #include "wx/fontutil.h"
 #include "wx/fontmap.h"
 
 #include "wx/fontutil.h"
 #include "wx/fontmap.h"
 

+#ifndef __WXWINCE__
+    #include "wx/sysopt.h"
+#endif
+

 #include "wx/tokenzr.h"
 
 #if wxUSE_EXTENDED_RTTI
 #include "wx/tokenzr.h"
 
 #if wxUSE_EXTENDED_RTTI


@@ -112,9 +116,9 @@ public:
     wxFontRefData(int size,
                   const wxSize& pixelSize,
                   bool sizeUsingPixels,
     wxFontRefData(int size,
                   const wxSize& pixelSize,
                   bool sizeUsingPixels,

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

                   bool underlined,
                   const wxString& faceName,
                   wxFontEncoding encoding)
                   bool underlined,
                   const wxString& faceName,
                   wxFontEncoding encoding)


@@ -145,7 +149,7 @@ public:
     virtual ~wxFontRefData();
 
     // operations
     virtual ~wxFontRefData();
 
     // operations

-    bool Alloc(wxFont *font);
+    bool Alloc(const wxFont *font);

 
     void Free();
 
 
     void Free();
 


@@ -167,18 +171,18 @@ public:
         return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
     }
 
         return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
     }
 

-    int GetFamily() const
+    wxFontFamily GetFamily() const

     {
         return m_family;
     }
 
     {
         return m_family;
     }
 

-    int GetStyle() const
+    wxFontStyle GetStyle() const

     {
         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
                                   : m_style;
     }
 
     {
         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
                                   : m_style;
     }
 

-    int GetWeight() const
+    wxFontWeight GetWeight() const

     {
         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
                                   : m_weight;
     {
         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
                                   : m_weight;


@@ -207,11 +211,26 @@ public:
                                   : m_encoding;
     }
 
                                   : m_encoding;
     }
 

-    WXHFONT GetHFONT() const { return m_hFont; }
+    WXHFONT GetHFONT(const wxFont *font) const
+    {
+        if ( !m_hFont )
+            const_cast<wxFontRefData *>(this)->Alloc(font);
+
+        return (WXHFONT)m_hFont;
+    }

 
 

-    // ... and setters
+    bool HasHFONT() const
+    {
+        return m_hFont != 0;
+    }
+
+    // ... and setters: notice that all of them invalidate the currently
+    // allocated HFONT, if any, so that the next call to GetHFONT() recreates a
+    // new one

     void SetPointSize(int pointSize)
     {
     void SetPointSize(int pointSize)
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
         {
             m_nativeFontInfo.SetPointSize(pointSize);
         if ( m_nativeFontInfoOk )
         {
             m_nativeFontInfo.SetPointSize(pointSize);


@@ -225,6 +244,8 @@ public:
 
     void SetPixelSize(const wxSize& pixelSize)
     {
 
     void SetPixelSize(const wxSize& pixelSize)
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
         {
             m_nativeFontInfo.SetPixelSize(pixelSize);
         if ( m_nativeFontInfoOk )
         {
             m_nativeFontInfo.SetPixelSize(pixelSize);


@@ -236,21 +257,27 @@ public:
         }
     }
 
         }
     }
 

-    void SetFamily(int family)
+    void SetFamily(wxFontFamily family)

     {
     {

+        Free();
+

         m_family = family;
     }
 
         m_family = family;
     }
 

-    void SetStyle(int style)
+    void SetStyle(wxFontStyle style)

     {
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetStyle((wxFontStyle)style);
         else
             m_style = style;
     }
 
         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetStyle((wxFontStyle)style);
         else
             m_style = style;
     }
 

-    void SetWeight(int weight)
+    void SetWeight(wxFontWeight weight)

     {
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
         else
         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
         else


@@ -259,6 +286,8 @@ public:
 
     bool SetFaceName(const wxString& faceName)
     {
 
     bool SetFaceName(const wxString& faceName)
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
             return m_nativeFontInfo.SetFaceName(faceName);
 
         if ( m_nativeFontInfoOk )
             return m_nativeFontInfo.SetFaceName(faceName);
 


@@ -268,6 +297,8 @@ public:
 
     void SetUnderlined(bool underlined)
     {
 
     void SetUnderlined(bool underlined)
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetUnderlined(underlined);
         else
         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetUnderlined(underlined);
         else


@@ -276,45 +307,55 @@ public:
 
     void SetEncoding(wxFontEncoding encoding)
     {
 
     void SetEncoding(wxFontEncoding encoding)
     {

+        Free();
+

         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetEncoding(encoding);
         else
             m_encoding = encoding;
     }
 
         if ( m_nativeFontInfoOk )
             m_nativeFontInfo.SetEncoding(encoding);
         else
             m_encoding = encoding;
     }
 

-    // native font info tests
+    // native font info

     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 
     const wxNativeFontInfo& GetNativeFontInfo() const
         { return m_nativeFontInfo; }
 
     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 
     const wxNativeFontInfo& GetNativeFontInfo() const
         { return m_nativeFontInfo; }
 

+    void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
+    {
+        Free();
+
+        m_nativeFontInfo = nativeFontInfo;
+        m_nativeFontInfoOk = true;
+    }
+

 protected:
     // common part of all ctors
     void Init(int size,
               const wxSize& pixelSize,
               bool sizeUsingPixels,
 protected:
     // common part of all ctors
     void Init(int size,
               const wxSize& pixelSize,
               bool sizeUsingPixels,

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

               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 
               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 

-    // font characterstics
+    // font characteristics

     int           m_pointSize;
     wxSize        m_pixelSize;
     bool          m_sizeUsingPixels;
     int           m_pointSize;
     wxSize        m_pixelSize;
     bool          m_sizeUsingPixels;

-    int           m_family;
-    int           m_style;
-    int           m_weight;
+    wxFontFamily  m_family;
+    wxFontStyle   m_style;
+    wxFontWeight  m_weight;

     bool          m_underlined;
     wxString      m_faceName;
     wxFontEncoding m_encoding;
 
     bool          m_underlined;
     wxString      m_faceName;
     wxFontEncoding m_encoding;
 

-    // Windows font handle
-    WXHFONT       m_hFont;
+    // Windows font handle, created on demand in GetHFONT()
+    HFONT         m_hFont;

 
     // Native font info
     wxNativeFontInfo m_nativeFontInfo;
 
     // Native font info
     wxNativeFontInfo m_nativeFontInfo;


@@ -334,9 +375,9 @@ protected:
 void wxFontRefData::Init(int pointSize,
                          const wxSize& pixelSize,
                          bool sizeUsingPixels,
 void wxFontRefData::Init(int pointSize,
                          const wxSize& pixelSize,
                          bool sizeUsingPixels,

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

                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)
                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)


@@ -363,13 +404,13 @@ void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
     // use the exact font created in the underlying system
     // (for example where we can't guarantee conversion from HFONT
     // to LOGFONT back to HFONT)
     // use the exact font created in the underlying system
     // (for example where we can't guarantee conversion from HFONT
     // to LOGFONT back to HFONT)

-    m_hFont = hFont;
+    m_hFont = (HFONT)hFont;

 
     m_nativeFontInfoOk = true;
     m_nativeFontInfo = info;
     // This is the best we can do since we don't have the
     // correct information at this point.
 
     m_nativeFontInfoOk = true;
     m_nativeFontInfo = info;
     // This is the best we can do since we don't have the
     // correct information at this point.

-    m_family = wxSWISS;
+    m_family = wxFONTFAMILY_SWISS;

 }
 
 wxFontRefData::~wxFontRefData()
 }
 
 wxFontRefData::~wxFontRefData()


@@ -377,7 +418,7 @@ wxFontRefData::~wxFontRefData()
     Free();
 }
 
     Free();
 }
 

-bool wxFontRefData::Alloc(wxFont *font)
+bool wxFontRefData::Alloc(const wxFont *font)

 {
     if ( !m_nativeFontInfoOk )
     {
 {
     if ( !m_nativeFontInfoOk )
     {


@@ -385,14 +426,13 @@ bool wxFontRefData::Alloc(wxFont *font)
         m_nativeFontInfoOk = true;
     }
 
         m_nativeFontInfoOk = true;
     }
 

-    HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
-    if ( !hfont )
+    m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+    if ( !m_hFont )

     {
         wxLogLastError(wxT("CreateFont"));
         return false;
     }
 
     {
         wxLogLastError(wxT("CreateFont"));
         return false;
     }
 

-    m_hFont = (WXHFONT)hfont;

     return true;
 }
 
     return true;
 }
 


@@ -400,7 +440,7 @@ void wxFontRefData::Free()
 {
     if ( m_hFont )
     {
 {
     if ( m_hFont )
     {

-        if ( !::DeleteObject((HFONT) m_hFont) )
+        if ( !::DeleteObject(m_hFont) )

         {
             wxLogLastError(wxT("DeleteObject(font)"));
         }
         {
             wxLogLastError(wxT("DeleteObject(font)"));
         }


@@ -417,12 +457,16 @@ void wxNativeFontInfo::Init()
 {
     wxZeroMemory(lf);
 
 {
     wxZeroMemory(lf);
 

-    // we get better font quality if we use this instead of DEFAULT_QUALITY
-    // apparently without any drawbacks
+    // we get better font quality if we use PROOF_QUALITY instead of
+    // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available
+    // then so we allow to set a global option to choose between quality and
+    // wider font selection

 #ifdef __WXWINCE__
     lf.lfQuality = CLEARTYPE_QUALITY;
 #else
 #ifdef __WXWINCE__
     lf.lfQuality = CLEARTYPE_QUALITY;
 #else

-    lf.lfQuality = PROOF_QUALITY;
+    lf.lfQuality = wxSystemOptions::GetOptionInt(_T("msw.font.no-proof-quality"))
+                    ? DEFAULT_QUALITY
+                    : PROOF_QUALITY;

 #endif
 }
 
 #endif
 }
 


@@ -432,13 +476,14 @@ int wxNativeFontInfo::GetPointSize() const
     //        for printing!
     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
     //        for printing!
     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 

-    return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
+    // BC++ 2007 doesn't provide abs(long) overload, hence the cast
+    return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);

 }
 
 wxSize wxNativeFontInfo::GetPixelSize() const
 {
     wxSize ret;
 }
 
 wxSize wxNativeFontInfo::GetPixelSize() const
 {
     wxSize ret;

-    ret.SetHeight(lf.lfHeight);
+    ret.SetHeight(abs((int)lf.lfHeight));

     ret.SetWidth(lf.lfWidth);
     return ret;
 }
     ret.SetWidth(lf.lfWidth);
     return ret;
 }


@@ -791,7 +836,7 @@ wxString wxNativeFontInfo::ToString() const
              lf.lfClipPrecision,
              lf.lfQuality,
              lf.lfPitchAndFamily,
              lf.lfClipPrecision,
              lf.lfQuality,
              lf.lfPitchAndFamily,

-             lf.lfFaceName);
+             (const wxChar*)lf.lfFaceName);

 
     return s;
 }
 
     return s;
 }


@@ -819,9 +864,9 @@ wxFont::wxFont(const wxString& fontdesc)
 bool wxFont::DoCreate(int pointSize,
                       const wxSize& pixelSize,
                       bool sizeUsingPixels,
 bool wxFont::DoCreate(int pointSize,
                       const wxSize& pixelSize,
                       bool sizeUsingPixels,

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

                       bool underlined,
                       const wxString& faceName,
                       wxFontEncoding encoding)
                       bool underlined,
                       const wxString& faceName,
                       wxFontEncoding encoding)


@@ -850,14 +895,14 @@ wxFont::~wxFont()
 // real implementation
 // ----------------------------------------------------------------------------
 
 // real implementation
 // ----------------------------------------------------------------------------
 

-wxObjectRefData *wxFont::CreateRefData() const
+wxGDIRefData *wxFont::CreateGDIRefData() const

 {
     return new wxFontRefData();
 }
 
 {
     return new wxFontRefData();
 }
 

-wxObjectRefData *wxFont::CloneRefData(const wxObjectRefData *data) const
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const

 {
 {

-    return new wxFontRefData(*wx_static_cast(const wxFontRefData *, data));
+    return new wxFontRefData(*static_cast<const wxFontRefData *>(data));

 }
 
 bool wxFont::RealizeResource()
 }
 
 bool wxFont::RealizeResource()


@@ -886,23 +931,12 @@ WXHANDLE wxFont::GetResourceHandle() const
 
 WXHFONT wxFont::GetHFONT() const
 {
 
 WXHFONT wxFont::GetHFONT() const
 {

-    return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
+    return M_FONTDATA ? M_FONTDATA->GetHFONT(this) : 0;

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

-    return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
-}
-
-bool wxFont::Recreate()
-{
-    // this function can be used to recreate the font after its wxFontRefData
-    // changes and does it unconditionally, i.e. even if already had a valid
-    // font before
-    wxCHECK_MSG( M_FONTDATA, false, _T("no font to recreate") );
-
-    M_FONTDATA->Free();
-    return M_FONTDATA->Alloc(this);
+    return M_FONTDATA && !M_FONTDATA->HasHFONT();

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


@@ -913,9 +947,8 @@ void wxFont::SetPointSize(int pointSize)
 {
     AllocExclusive();
 
 {
     AllocExclusive();
 

+    M_FONTDATA->Free();

     M_FONTDATA->SetPointSize(pointSize);
     M_FONTDATA->SetPointSize(pointSize);

-
-    Recreate();

 }
 
 void wxFont::SetPixelSize(const wxSize& pixelSize)
 }
 
 void wxFont::SetPixelSize(const wxSize& pixelSize)


@@ -923,44 +956,35 @@ void wxFont::SetPixelSize(const wxSize& pixelSize)
     AllocExclusive();
 
     M_FONTDATA->SetPixelSize(pixelSize);
     AllocExclusive();
 
     M_FONTDATA->SetPixelSize(pixelSize);

-
-    Recreate();

 }
 
 }
 

-void wxFont::SetFamily(int family)
+void wxFont::SetFamily(wxFontFamily family)

 {
     AllocExclusive();
 
     M_FONTDATA->SetFamily(family);
 {
     AllocExclusive();
 
     M_FONTDATA->SetFamily(family);

-
-    Recreate();

 }
 
 }
 

-void wxFont::SetStyle(int style)
+void wxFont::SetStyle(wxFontStyle style)

 {
     AllocExclusive();
 
     M_FONTDATA->SetStyle(style);
 {
     AllocExclusive();
 
     M_FONTDATA->SetStyle(style);

-
-    Recreate();

 }
 
 }
 

-void wxFont::SetWeight(int weight)
+void wxFont::SetWeight(wxFontWeight weight)

 {
     AllocExclusive();
 
     M_FONTDATA->SetWeight(weight);
 {
     AllocExclusive();
 
     M_FONTDATA->SetWeight(weight);

-
-    Recreate();

 }
 
 bool wxFont::SetFaceName(const wxString& faceName)
 {
     AllocExclusive();
 
 }
 
 bool wxFont::SetFaceName(const wxString& faceName)
 {
     AllocExclusive();
 

-    bool refdataok = M_FONTDATA->SetFaceName(faceName);
-
-    Recreate();
+    if ( !M_FONTDATA->SetFaceName(faceName) )
+        return false;

 
     // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
     //     to retrieve a LOGFONT and then compare lf.lfFaceName
 
     // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
     //     to retrieve a LOGFONT and then compare lf.lfFaceName


@@ -969,7 +993,7 @@ bool wxFont::SetFaceName(const wxString& faceName)
     //     without any validity check.
     //     Thus we use wxFontBase::SetFaceName to check if facename
     //     is valid...
     //     without any validity check.
     //     Thus we use wxFontBase::SetFaceName to check if facename
     //     is valid...

-    return refdataok && wxFontBase::SetFaceName(faceName);
+    return wxFontBase::SetFaceName(faceName);

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


@@ -977,8 +1001,6 @@ void wxFont::SetUnderlined(bool underlined)
     AllocExclusive();
 
     M_FONTDATA->SetUnderlined(underlined);
     AllocExclusive();
 
     M_FONTDATA->SetUnderlined(underlined);

-
-    Recreate();

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


@@ -986,17 +1008,13 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
     AllocExclusive();
 
     M_FONTDATA->SetEncoding(encoding);
     AllocExclusive();
 
     M_FONTDATA->SetEncoding(encoding);

-
-    Recreate();

 }
 
 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 {
     AllocExclusive();
 
 }
 
 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 {
     AllocExclusive();
 

-    *M_FONTDATA = wxFontRefData(info);
-
-    Recreate();
+    M_FONTDATA->SetNativeFontInfo(info);

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


@@ -1024,23 +1042,23 @@ bool wxFont::IsUsingSizeInPixels() const
     return M_FONTDATA->IsUsingSizeInPixels();
 }
 
     return M_FONTDATA->IsUsingSizeInPixels();
 }
 

-int wxFont::GetFamily() const
+wxFontFamily wxFont::GetFamily() const

 {
 {

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

 
     return M_FONTDATA->GetFamily();
 }
 
 
     return M_FONTDATA->GetFamily();
 }
 

-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const

 {
 {

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

 
     return M_FONTDATA->GetStyle();
 }
 
 
     return M_FONTDATA->GetStyle();
 }
 

-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const

 {
 {

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

 
     return M_FONTDATA->GetWeight();
 }
 
     return M_FONTDATA->GetWeight();
 }