src/osx/carbon/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/stattext.cpp
   3 // Purpose:     wxStaticText
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_STATTEXT
  15
  16 #include "wx/stattext.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20     #include "wx/utils.h"
  21     #include "wx/dc.h"
  22     #include "wx/dcclient.h"
  23     #include "wx/settings.h"
  24 #endif // WX_PRECOMP
  25
  26 #include "wx/osx/private.h"
  27
  28 #include <stdio.h>
  29
  30 class wxMacStaticText : public wxMacControl
  31 {
  32 public:
  33     wxMacStaticText( wxWindowMac* peer ) : wxMacControl(peer)
  34     {
  35     }
  36     void SetLabel(const wxString& title, wxFontEncoding encoding)
  37     {
  38         wxCFStringRef str( title, encoding );
  39         OSStatus err = SetData<CFStringRef>(kControlEntireControl, kControlStaticTextCFStringTag, str);
  40         verify_noerr( err );
  41     }
  42 };
  43
  44 wxSize wxStaticText::DoGetBestSize() const
  45 {
  46     Point bounds;
  47 #if wxOSX_USE_CARBON
  48     Rect bestsize = { 0 , 0 , 0 , 0 } ;
  49
  50     // try the built-in best size if available
  51     Boolean former = GetPeer()->GetData<Boolean>( kControlStaticTextIsMultilineTag);
  52     GetPeer()->SetData( kControlStaticTextIsMultilineTag, (Boolean)0 );
  53     GetPeer()->GetBestRect( &bestsize ) ;
  54     GetPeer()->SetData( kControlStaticTextIsMultilineTag, former );
  55
  56     if ( !EmptyRect( &bestsize ) )
  57     {
  58         bounds.h = bestsize.right - bestsize.left ;
  59         bounds.v = bestsize.bottom - bestsize.top ;
  60     }
  61     else
  62 #endif
  63     {
  64 #if wxOSX_USE_CARBON
  65         ControlFontStyleRec controlFont;
  66         OSStatus err = GetPeer()->GetData<ControlFontStyleRec>( kControlEntireControl, kControlFontStyleTag, &controlFont );
  67         verify_noerr( err );
  68
  69 #if wxOSX_USE_ATSU_TEXT
  70         SInt16 baseline;
  71         if ( m_font.MacGetThemeFontID() != kThemeCurrentPortFont )
  72         {
  73             // GetThemeTextDimensions will cache strings and the documentation
  74             // says not to use the NoCopy string creation calls.
  75             // This also means that we can't use CFSTR without
  76             // -fno-constant-cfstrings if the library might be unloaded,
  77             // as GetThemeTextDimensions may cache a pointer to our
  78             // unloaded segment.
  79             wxCFStringRef str( !m_label.empty() ? m_label : wxString(" "),
  80                               GetFont().GetEncoding() );
  81
  82             err = GetThemeTextDimensions(
  83                 (CFStringRef)str,
  84                 m_font.MacGetThemeFontID(), kThemeStateActive, false, &bounds, &baseline );
  85             verify_noerr( err );
  86         }
  87         else
  88 #endif
  89 #endif
  90         {
  91             wxClientDC dc(const_cast<wxStaticText*>(this));
  92             wxCoord width, height ;
  93             dc.GetTextExtent( m_label , &width, &height);
  94             bounds.h = width;
  95             bounds.v = height;
  96         }
  97
  98         if ( m_label.empty() )
  99             bounds.h = 0;
 100     }
 101     bounds.h += MacGetLeftBorderSize() + MacGetRightBorderSize();
 102     bounds.v += MacGetTopBorderSize() + MacGetBottomBorderSize();
 103
 104     return wxSize( bounds.h, bounds.v );
 105 }
 106
 107 /*
 108    FIXME: UpdateLabel() should be called on size events when wxST_ELLIPSIZE_START is set
 109           to allow correct dynamic ellipsizing of the label
 110 */
 111
 112 wxWidgetImplType* wxWidgetImpl::CreateStaticText( wxWindowMac* wxpeer,
 113                                     wxWindowMac* parent,
 114                                     wxWindowID WXUNUSED(id),
 115                                     const wxString& WXUNUSED(label),
 116                                     const wxPoint& pos,
 117                                     const wxSize& size,
 118                                     long style,
 119                                     long WXUNUSED(extraStyle))
 120 {
 121     Rect bounds = wxMacGetBoundsForControl( wxpeer, pos, size );
 122
 123     wxMacControl* peer = new wxMacStaticText( wxpeer );
 124     OSStatus err = CreateStaticTextControl(
 125         MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
 126         &bounds, NULL, NULL, peer->GetControlRefAddr() );
 127     verify_noerr( err );
 128
 129     if ( ( style & wxST_ELLIPSIZE_END ) || ( style & wxST_ELLIPSIZE_MIDDLE ) )
 130     {
 131         TruncCode tCode = truncEnd;
 132         if ( style & wxST_ELLIPSIZE_MIDDLE )
 133             tCode = truncMiddle;
 134
 135         err = peer->SetData( kControlStaticTextTruncTag, tCode );
 136         err = peer->SetData( kControlStaticTextIsMultilineTag, (Boolean)0 );
 137     }
 138     return peer;
 139 }
 140
 141 #endif //if wxUSE_STATTEXT