Add wxDataViewRendererBase::PrepareForItem() helper.

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

diff --git a/src/msw/font.cpp b/src/msw/font.cpp
index ae1df60343416c363ff001e6cd6894d5278d59dc..0acbf1aae6d91a57ed117c4624abf0e3ec0dea0e 100644 (file)
--- a/src/msw/font.cpp
+++ b/src/msw/font.cpp
@@ -32,7 +32,6 @@
     #include "wx/app.h"
     #include "wx/log.h"
     #include "wx/encinfo.h"
-    #include "wx/scopeguard.h"
 #endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
@@ -44,6 +43,7 @@
     #include "wx/sysopt.h"
 #endif
 
+#include "wx/scopeguard.h"
 #include "wx/tokenzr.h"
 
 #if wxUSE_EXTENDED_RTTI
@@ -205,8 +205,7 @@ public:
 
     WXHFONT GetHFONT() const
     {
-        if ( !m_hFont )
-            const_cast<wxFontRefData *>(this)->Alloc();
+        AllocIfNeeded();
 
         return (WXHFONT)m_hFont;
     }
@@ -281,7 +280,18 @@ public:
     }
 
     const wxNativeFontInfo& GetNativeFontInfo() const
-        { return m_nativeFontInfo; }
+    {
+        // we need to create the font now to get the corresponding LOGFONT if
+        // it hadn't been done yet
+        AllocIfNeeded();
+
+        // ensure that we have a valid face name in our font information:
+        // GetFaceName() will try to retrieve it from our HFONT and save it if
+        // it was successful
+        (void)GetFaceName();
+
+        return m_nativeFontInfo;
+    }
 
     void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
     {
@@ -304,6 +314,12 @@ protected:
 
     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 
+    void AllocIfNeeded() const
+    {
+        if ( !m_hFont )
+            const_cast<wxFontRefData *>(this)->Alloc();
+    }
+
     // retrieve the face name really being used by the font: this is used to
     // get the face name selected by the system when we don't specify it (but
     // use just the family for example)
@@ -330,11 +346,14 @@ protected:
             return wxString();
         }
 
-        // in spite of its type, the otmpFaceName field of OUTLINETEXTMETRIC
-        // gives an offset in _bytes_ of the face name from the struct start
-        // while the name itself is an array of TCHARs
+        // in spite of its type, the otmpFamilyName field of OUTLINETEXTMETRIC
+        // gives an offset in _bytes_ of the face (not family!) name from the
+        // struct start while the name itself is an array of TCHARs
+        //
+        // FWIW otmpFaceName contains the same thing as otmpFamilyName followed
+        // by a possible " Italic" or " Bold" or something else suffix
         return reinterpret_cast<wxChar *>(otm) +
-                    wxPtrToUInt(otm->otmpFaceName)/sizeof(wxChar);
+                    wxPtrToUInt(otm->otmpFamilyName)/sizeof(wxChar);
     }
 
     // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
@@ -644,6 +663,10 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family)
         case wxFONTFAMILY_DEFAULT:
             ff_family = FF_SWISS;
             break;
+
+        case wxFONTFAMILY_UNKNOWN:
+            wxFAIL_MSG( "invalid font family" );
+            return;
     }
 
     wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
@@ -762,7 +785,7 @@ bool wxNativeFontInfo::FromString(const wxString& s)
         return false;
 
     // the face name may be empty
-    wxStrcpy(lf.lfFaceName, tokenizer.GetNextToken());
+    SetFaceName(tokenizer.GetNextToken());
 
     return true;
 }
@@ -993,10 +1016,8 @@ bool wxFont::IsUsingSizeInPixels() const
     return M_FONTDATA->IsUsingSizeInPixels();
 }
 
-wxFontFamily wxFont::GetFamily() const
+wxFontFamily wxFont::DoGetFamily() const
 {
-    wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") );
-
     return M_FONTDATA->GetFamily();
 }
 
@@ -1040,32 +1061,23 @@ const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
     return IsOk() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL;
 }
 
-wxString wxFont::GetNativeFontInfoDesc() const
-{
-    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
-
-    // be sure we have an HFONT associated...
-    const_cast<wxFont*>(this)->RealizeResource();
-    return wxFontBase::GetNativeFontInfoDesc();
-}
-
-wxString wxFont::GetNativeFontInfoUserDesc() const
-{
-    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
-
-    // be sure we have an HFONT associated...
-    const_cast<wxFont*>(this)->RealizeResource();
-    return wxFontBase::GetNativeFontInfoUserDesc();
-}
-
 bool wxFont::IsFixedWidth() const
 {
     wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
 
-    // the two low-order bits specify the pitch of the font, the rest is
-    // family
-    BYTE pitch =
-        (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);
+    // LOGFONT doesn't contain the correct pitch information so we need to call
+    // GetTextMetrics() to get it
+    ScreenHDC hdc;
+    SelectInHDC selectFont(hdc, M_FONTDATA->GetHFONT());
+
+    TEXTMETRIC tm;
+    if ( !::GetTextMetrics(hdc, &tm) )
+    {
+        wxLogLastError(wxT("GetTextMetrics"));
+        return false;
+    }
 
-    return pitch == FIXED_PITCH;
+    // Quoting MSDN description of TMPF_FIXED_PITCH: "Note very carefully that
+    // those meanings are the opposite of what the constant name implies."
+    return !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
 }