X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d9b2c16361930cc9b7378102395763db801250f..6fefc28dde1169077f848e63c2ac96fc6769c58e:/src/msw/window.cpp diff --git a/src/msw/window.cpp b/src/msw/window.cpp index 0bfc228932..345427d25a 100644 --- a/src/msw/window.cpp +++ b/src/msw/window.cpp @@ -528,7 +528,12 @@ bool wxWindowMSW::Create(wxWindow *parent, msflags |= WS_VISIBLE; } - return MSWCreate(wxCanvasClassName, NULL, pos, size, msflags, exstyle); + if ( !MSWCreate(wxCanvasClassName, NULL, pos, size, msflags, exstyle) ) + return false; + + InheritAttributes(); + + return true; } // --------------------------------------------------------------------------- @@ -1663,31 +1668,22 @@ void wxWindowMSW::GetTextExtent(const wxString& string, int *descent, int *externalLeading, const wxFont *theFont) const { - const wxFont *fontToUse = theFont; - if ( !fontToUse ) - fontToUse = &m_font; + wxASSERT_MSG( !theFont || theFont->Ok(), + _T("invalid font in GetTextExtent()") ); - HWND hWnd = GetHwnd(); - HDC dc = ::GetDC(hWnd); + wxFont fontToUse; + if (theFont) + fontToUse = *theFont; + else + fontToUse = GetFont(); - HFONT fnt = 0; - HFONT hfontOld = 0; - if ( fontToUse && fontToUse->Ok() ) - { - fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast - if ( fnt ) - hfontOld = (HFONT)SelectObject(dc,fnt); - } + WindowHDC hdc(GetHwnd()); + SelectInHDC selectFont(hdc, GetHfontOf(fontToUse)); SIZE sizeRect; TEXTMETRIC tm; - GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect); - GetTextMetrics(dc, &tm); - - if ( fontToUse && fnt && hfontOld ) - SelectObject(dc, hfontOld); - - ReleaseDC(hWnd, dc); + GetTextExtentPoint(hdc, string, string.length(), &sizeRect); + GetTextMetrics(hdc, &tm); if ( x ) *x = sizeRect.cx;