#include "wx/sysopt.h"
#endif
+#include "wx/scopeguard.h"
#include "wx/tokenzr.h"
#if wxUSE_EXTENDED_RTTI
wxString GetFaceName() const
{
- return m_nativeFontInfo.GetFaceName();
+ wxString facename = m_nativeFontInfo.GetFaceName();
+ if ( facename.empty() )
+ {
+ facename = GetMSWFaceName();
+ if ( !facename.empty() )
+ {
+ // cache the face name, it shouldn't change unless the family
+ // does and wxNativeFontInfo::SetFamily() resets the face name
+ const_cast<wxFontRefData *>(this)->SetFaceName(facename);
+ }
+ }
+
+ return facename;
}
wxFontEncoding GetEncoding() const
WXHFONT GetHFONT() const
{
- if ( !m_hFont )
- const_cast<wxFontRefData *>(this)->Alloc();
+ AllocIfNeeded();
return (WXHFONT)m_hFont;
}
void SetPixelSize(const wxSize& pixelSize)
{
+ wxCHECK_RET( pixelSize.GetWidth() >= 0, "negative font width" );
+ wxCHECK_RET( pixelSize.GetHeight() != 0, "zero font height" );
+
Free();
m_nativeFontInfo.SetPixelSize(pixelSize);
}
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)
{
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)
+ wxString GetMSWFaceName() const
+ {
+ ScreenHDC hdc;
+ SelectInHDC selectFont(hdc, m_hFont);
+
+ UINT otmSize = GetOutlineTextMetrics(hdc, 0, NULL);
+ if ( !otmSize )
+ {
+ wxLogLastError("GetOutlineTextMetrics(NULL)");
+ return wxString();
+ }
+
+ OUTLINETEXTMETRIC * const
+ otm = static_cast<OUTLINETEXTMETRIC *>(malloc(otmSize));
+ wxON_BLOCK_EXIT1( free, otm );
+
+ otm->otmSize = otmSize;
+ if ( !GetOutlineTextMetrics(hdc, otmSize, otm) )
+ {
+ wxLogLastError("GetOutlineTextMetrics()");
+ return wxString();
+ }
+
+ // 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->otmpFamilyName)/sizeof(wxChar);
+ }
+
// are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
bool m_sizeUsingPixels;
void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
{
- // NOTE: although the MSW port allows for negative pixel size heights,
- // other ports don't and since it's a very useful feature assert
- // here if we get a negative height:
- wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0,
- "Negative values for the pixel size or zero pixel height are not allowed" );
-
- lf.lfHeight = pixelSize.GetHeight();
+ // MSW accepts both positive and negative heights here but they mean
+ // different things: positive specifies the cell height while negative
+ // specifies the character height. We used to just pass the value to MSW
+ // unchanged but changed the behaviour for positive values in 2.9.1 to
+ // match other ports and, more importantly, the expected behaviour. So now
+ // passing the negative height doesn't make sense at all any more but we
+ // still accept it for compatibility with the existing code which worked
+ // around the wrong interpretation of the height argument in older wxMSW
+ // versions by passing a negative value explicitly itself.
+ lf.lfHeight = -abs(pixelSize.GetHeight());
lf.lfWidth = pixelSize.GetWidth();
}
void wxNativeFontInfo::SetFamily(wxFontFamily family)
{
- BYTE ff_family;
- wxArrayString facename;
-
- // the list of fonts associated with a family was partially
- // taken from http://www.codestyle.org/css/font-family
+ BYTE ff_family = FF_DONTCARE;
switch ( family )
{
case wxFONTFAMILY_SCRIPT:
ff_family = FF_SCRIPT;
- facename.Add(wxS("Script"));
- facename.Add(wxS("Brush Script MT"));
- facename.Add(wxS("Comic Sans MS"));
- facename.Add(wxS("Lucida Handwriting"));
break;
case wxFONTFAMILY_DECORATIVE:
ff_family = FF_DECORATIVE;
- facename.Add(wxS("Old English Text MT"));
- facename.Add(wxS("Comic Sans MS"));
- facename.Add(wxS("Lucida Handwriting"));
break;
case wxFONTFAMILY_ROMAN:
ff_family = FF_ROMAN;
- facename.Add(wxS("Times New Roman"));
- facename.Add(wxS("Georgia"));
- facename.Add(wxS("Garamond"));
- facename.Add(wxS("Bookman Old Style"));
- facename.Add(wxS("Book Antiqua"));
break;
case wxFONTFAMILY_TELETYPE:
case wxFONTFAMILY_MODERN:
ff_family = FF_MODERN;
- facename.Add(wxS("Courier New"));
- facename.Add(wxS("Lucida Console"));
- facename.Add(wxS("Andale Mono"));
- facename.Add(wxS("OCR A Extended"));
- facename.Add(wxS("Terminal"));
break;
case wxFONTFAMILY_SWISS:
+ case wxFONTFAMILY_DEFAULT:
ff_family = FF_SWISS;
- facename.Add(wxS("Arial"));
- facename.Add(wxS("Century Gothic"));
- facename.Add(wxS("Lucida Sans Unicode"));
- facename.Add(wxS("Tahoma"));
- facename.Add(wxS("Trebuchet MS"));
- facename.Add(wxS("Verdana"));
break;
- case wxFONTFAMILY_DEFAULT:
- default:
- {
- // We want Windows 2000 or later to have new fonts even MS Shell Dlg
- // is returned as default GUI font for compatibility
- int verMaj;
- ff_family = FF_SWISS;
- if(wxGetOsVersion(&verMaj) == wxOS_WINDOWS_NT && verMaj >= 5)
- facename.Add(wxS("MS Shell Dlg 2"));
- else
- facename.Add(wxS("MS Shell Dlg"));
-
- // Quoting the MSDN:
- // "MS Shell Dlg is a mapping mechanism that enables
- // U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to
- // support locales that have characters that are not contained in code
- // page 1252. It is not a font but a face name for a nonexistent font."
- }
+ case wxFONTFAMILY_UNKNOWN:
+ wxFAIL_MSG( "invalid font family" );
+ return;
}
+ wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
+
lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
- if ( !wxStrlen(lf.lfFaceName) )
- {
- SetFaceName(facename);
- }
+ // reset the facename so that CreateFontIndirect() will automatically choose a
+ // face name based only on the font family.
+ lf.lfFaceName[0] = '\0';
}
void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
{
long l;
- wxStringTokenizer tokenizer(s, wxS(";"));
+ wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL);
// first the version
wxString token = tokenizer.GetNextToken();
return false;
lf.lfPitchAndFamily = (BYTE)l;
- token = tokenizer.GetNextToken();
- if(!token)
+ if ( !tokenizer.HasMoreTokens() )
return false;
- wxStrcpy(lf.lfFaceName, token.c_str());
+
+ // the face name may be empty
+ SetFaceName(tokenizer.GetNextToken());
return true;
}
lf.lfClipPrecision,
lf.lfQuality,
lf.lfPitchAndFamily,
- (const wxChar*)lf.lfFaceName);
+ lf.lfFaceName);
return s;
}
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);
}
projects / wxWidgets.git / blobdiff