extending calculation of visible region

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

diff --git a/src/msw/font.cpp b/src/msw/font.cpp
index bf831d467a11e83162eaf28521ce3d53bdf89d71..ae8752a780e12781b71d8d9ad6e25e1544046be9 100644 (file)
--- a/src/msw/font.cpp
+++ b/src/msw/font.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

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

     #pragma implementation "font.h"
 #endif
 
     #pragma implementation "font.h"
 #endif
 


@@ -35,20 +35,69 @@
     #include "wx/app.h"
     #include "wx/font.h"
     #include "wx/log.h"
     #include "wx/app.h"
     #include "wx/font.h"
     #include "wx/log.h"

+    #include "wx/encinfo.h"

 #endif // WX_PRECOMP
 
 #endif // WX_PRECOMP
 

+#include "wx/msw/private.h"
+

 #include "wx/fontutil.h"
 #include "wx/fontutil.h"

-#include "wx/tokenzr.h"
+#include "wx/fontmap.h"

 
 

-#include "wx/msw/private.h"

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

-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#if wxUSE_EXTENDED_RTTI
+
+wxBEGIN_ENUM( wxFontFamily )
+       wxENUM_MEMBER( wxDEFAULT )
+       wxENUM_MEMBER( wxDECORATIVE )
+       wxENUM_MEMBER( wxROMAN )
+       wxENUM_MEMBER( wxSCRIPT )
+       wxENUM_MEMBER( wxSWISS )
+       wxENUM_MEMBER( wxMODERN )
+       wxENUM_MEMBER( wxTELETYPE )
+wxEND_ENUM( wxFontFamily )
+
+wxBEGIN_ENUM( wxFontStyle )
+       wxENUM_MEMBER( wxNORMAL )
+       wxENUM_MEMBER( wxITALIC )
+       wxENUM_MEMBER( wxSLANT )
+wxEND_ENUM( wxFontStyle )
+
+wxBEGIN_ENUM( wxFontWeight )
+       wxENUM_MEMBER( wxNORMAL )
+       wxENUM_MEMBER( wxLIGHT )
+       wxENUM_MEMBER( wxBOLD )
+wxEND_ENUM( wxFontWeight )
+
+IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxFont)
+       wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
+       wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
+       wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
+       wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+wxEND_PROPERTIES_TABLE()
+
+wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )  
+
+wxBEGIN_HANDLERS_TABLE(wxFont)
+wxEND_HANDLERS_TABLE()
+
+#else
+       IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#endif
+

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

+// the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
+static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
+

 // ----------------------------------------------------------------------------
 // wxFontRefData - the internal description of the font
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxFontRefData - the internal description of the font
 // ----------------------------------------------------------------------------


@@ -60,7 +109,7 @@ public:
     wxFontRefData()
     {
         Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
     wxFontRefData()
     {
         Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,

-             FALSE, _T(""), wxFONTENCODING_DEFAULT);
+             FALSE, wxEmptyString, wxFONTENCODING_DEFAULT);

     }
 
     wxFontRefData(int size,
     }
 
     wxFontRefData(int size,


@@ -269,42 +318,6 @@ void wxFontRefData::Init(int pointSize,
 
 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 {
 
 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 {

-    // we don't really need the family, what for?
-#if 0
-    // extract family from pitch-and-family
-    int lfFamily = info.lf.lfPitchAndFamily;
-    if ( lfFamily & FIXED_PITCH )
-        lfFamily -= FIXED_PITCH;
-    if ( lfFamily & VARIABLE_PITCH )
-        lfFamily -= VARIABLE_PITCH;
-
-    switch ( lfFamily )
-    {
-        case FF_ROMAN:
-            m_family = wxROMAN;
-            break;
-
-        case FF_SWISS:
-            m_family = wxSWISS;
-            break;
-
-        case FF_SCRIPT:
-            m_family = wxSCRIPT;
-            break;
-
-        case FF_MODERN:
-            m_family = wxMODERN;
-            break;
-
-        case FF_DECORATIVE:
-            m_family = wxDECORATIVE;
-            break;
-
-        default:
-            m_family = wxSWISS;
-    }
-#endif // 0
-

     // hFont may be zero, or it be passed in case we really want to
     // use the exact font created in the underlying system
     // (for example where we can't guarantee conversion from HFONT
     // hFont may be zero, or it be passed in case we really want to
     // use the exact font created in the underlying system
     // (for example where we can't guarantee conversion from HFONT


@@ -313,6 +326,9 @@ void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 
     m_nativeFontInfoOk = TRUE;
     m_nativeFontInfo = info;
 
     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;

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


@@ -365,6 +381,8 @@ void wxNativeFontInfo::Init()
 
 int wxNativeFontInfo::GetPointSize() const
 {
 
 int wxNativeFontInfo::GetPointSize() const
 {

+    // FIXME: using the screen here results in incorrect font size calculation
+    //        for printing!

     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
     return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
     return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);


@@ -396,6 +414,41 @@ wxString wxNativeFontInfo::GetFaceName() const
     return lf.lfFaceName;
 }
 
     return lf.lfFaceName;
 }
 

+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+    wxFontFamily family;
+
+    // extract family from pitch-and-family
+    switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
+    {
+        case FF_ROMAN:
+            family = wxFONTFAMILY_ROMAN;
+            break;
+
+        default:
+            wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
+            // fall through
+
+        case FF_SWISS:
+            family = wxFONTFAMILY_SWISS;
+            break;
+
+        case FF_SCRIPT:
+            family = wxFONTFAMILY_SCRIPT;
+            break;
+
+        case FF_MODERN:
+            family = wxFONTFAMILY_MODERN;
+            break;
+
+        case FF_DECORATIVE:
+            family = wxFONTFAMILY_DECORATIVE;
+            break;
+    }
+
+    return family;
+}
+

 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 {
     return wxGetFontEncFromCharSet(lf.lfCharSet);
 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 {
     return wxGetFontEncFromCharSet(lf.lfCharSet);


@@ -403,9 +456,16 @@ wxFontEncoding wxNativeFontInfo::GetEncoding() const
 
 void wxNativeFontInfo::SetPointSize(int pointsize)
 {
 
 void wxNativeFontInfo::SetPointSize(int pointsize)
 {

+#if wxFONT_SIZE_COMPATIBILITY
+    // Incorrect, but compatible with old wxWindows behaviour
+    lf.lfHeight = (pointSize*ppInch)/72;
+#else // wxFONT_SIZE_COMPATIBILITY
+    // FIXME: using the screen here results in incorrect font size calculation
+    //        for printing!

     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);

+#endif // wxFONT_SIZE_COMPATIBILITY/!wxFONT_SIZE_COMPATIBILITY

 }
 
 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 }
 
 void wxNativeFontInfo::SetStyle(wxFontStyle style)


@@ -417,6 +477,7 @@ void wxNativeFontInfo::SetStyle(wxFontStyle style)
             // fall through
 
         case wxFONTSTYLE_NORMAL:
             // fall through
 
         case wxFONTSTYLE_NORMAL:

+            lf.lfItalic = FALSE;

             break;
 
         case wxFONTSTYLE_ITALIC:
             break;
 
         case wxFONTSTYLE_ITALIC:


@@ -455,7 +516,54 @@ void wxNativeFontInfo::SetUnderlined(bool underlined)
 
 void wxNativeFontInfo::SetFaceName(wxString facename)
 {
 
 void wxNativeFontInfo::SetFaceName(wxString facename)
 {

-    wxStrncpy(lf.lfFaceName, facename, sizeof(lf.lfFaceName));
+    wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+    int ff_family;
+    wxString facename;
+
+    switch ( family )
+    {
+        case wxSCRIPT:
+            ff_family = FF_SCRIPT;
+            facename = _T("Script");
+            break;
+
+        case wxDECORATIVE:
+            ff_family = FF_DECORATIVE;
+            facename = _T("Old English Text MT");
+            break;
+
+        case wxROMAN:
+            ff_family = FF_ROMAN;
+            facename = _T("Times New Roman");
+            break;
+
+        case wxTELETYPE:
+        case wxMODERN:
+            ff_family = FF_MODERN;
+            facename = _T("Courier New");
+            break;
+
+        case wxSWISS:
+            ff_family = FF_SWISS;
+            facename = _T("Arial");
+            break;
+
+        case wxDEFAULT:
+        default:
+            ff_family = FF_SWISS;
+            facename = _T("MS Sans Serif");
+    }
+
+    lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family;
+
+    if ( !wxStrlen(lf.lfFaceName) )
+    {
+        SetFaceName(facename);
+    }

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


@@ -463,8 +571,23 @@ void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
     wxNativeEncodingInfo info;
     if ( !wxGetNativeFontEncoding(encoding, &info) )
     {
     wxNativeEncodingInfo info;
     if ( !wxGetNativeFontEncoding(encoding, &info) )
     {

-        // unsupported encoding, replace with the default
-        info.charset = ANSI_CHARSET;
+#if wxUSE_FONTMAP
+        if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
+        {
+            if ( !info.facename.empty() )
+            {
+                // if we have this encoding only in some particular facename, use
+                // the facename - it is better to show the correct characters in a
+                // wrong facename than unreadable text in a correct one
+                SetFaceName(info.facename);
+            }
+        }
+        else
+#endif // wxUSE_FONTMAP
+        {
+            // unsupported encoding, replace with the default
+            info.charset = DEFAULT_CHARSET;
+        }

     }
 
     lf.lfCharSet = info.charset;
     }
 
     lf.lfCharSet = info.charset;


@@ -558,7 +681,7 @@ wxString wxNativeFontInfo::ToString() const
 {
     wxString s;
 
 {
     wxString s;
 

-    s.Printf(_T("%d;%d;%d;%d;%d;%d;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
+    s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),

              0, // version, in case we want to change the format later
              lf.lfHeight,
              lf.lfWidth,
              0, // version, in case we want to change the format later
              lf.lfHeight,
              lf.lfWidth,


@@ -664,9 +787,9 @@ bool wxFont::FreeResource(bool WXUNUSED(force))
     return FALSE;
 }
 
     return FALSE;
 }
 

-WXHANDLE wxFont::GetResourceHandle()
+WXHANDLE wxFont::GetResourceHandle() const

 {
 {

-    return GetHFONT();
+    return (WXHANDLE)GetHFONT();

 }
 
 WXHFONT wxFont::GetHFONT() const
 }
 
 WXHFONT wxFont::GetHFONT() const


@@ -761,7 +884,7 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
     RealizeResource();
 }
 
     RealizeResource();
 }
 

-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)

 {
     Unshare();
 
 {
     Unshare();
 


@@ -813,7 +936,7 @@ bool wxFont::GetUnderlined() 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->GetFaceName();
 }
 
     return M_FONTDATA->GetFaceName();
 }


@@ -825,11 +948,24 @@ wxFontEncoding wxFont::GetEncoding() const
     return M_FONTDATA->GetEncoding();
 }
 
     return M_FONTDATA->GetEncoding();
 }
 

-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+{
+    return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
+                                           : NULL;
+}
+
+bool wxFont::IsFixedWidth() const

 {
     if ( M_FONTDATA->HasNativeFontInfo() )
 {
     if ( M_FONTDATA->HasNativeFontInfo() )

-        return new wxNativeFontInfo(M_FONTDATA->GetNativeFontInfo());
+    {
+        // the two low-order bits specify the pitch of the font, the rest is
+        // family
+        BYTE pitch = M_FONTDATA->GetNativeFontInfo().
+                        lf.lfPitchAndFamily & PITCH_MASK;
+
+        return pitch == FIXED_PITCH;
+    }

 
 

-    return 0;
+    return wxFontBase::IsFixedWidth();

 }
 
 }