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