src/osx/cocoa/stattext.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/stattext.mm
   3 // Purpose:     wxStaticText
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id: stattext.cpp 54845 2008-07-30 14:52:41Z SC $
   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 #if wxUSE_MARKUP
  29     #include "wx/osx/cocoa/private/markuptoattr.h"
  30 #endif // wxUSE_MARKUP
  31
  32 #include <stdio.h>
  33
  34 @interface wxNSStaticTextView : NSTextField
  35 {
  36 }
  37 @end
  38
  39 @implementation wxNSStaticTextView
  40
  41 + (void)initialize
  42 {
  43     static BOOL initialized = NO;
  44     if (!initialized)
  45     {
  46         initialized = YES;
  47         wxOSXCocoaClassAddWXMethods( self );
  48     }
  49 }
  50
  51 - (void) setEnabled:(BOOL) flag
  52 {
  53     [super setEnabled: flag];
  54
  55     if (![self drawsBackground]) {
  56         // Static text is drawn incorrectly when disabled.
  57         // For an explanation, see
  58         // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028
  59         if (flag)
  60         {
  61             [self setTextColor: [NSColor controlTextColor]];
  62         }
  63         else
  64         {
  65             [self setTextColor: [NSColor secondarySelectedControlColor]];
  66         }
  67     }
  68 }
  69
  70 @end
  71
  72 class wxStaticTextCocoaImpl : public wxWidgetCocoaImpl
  73 {
  74 public:
  75     wxStaticTextCocoaImpl( wxWindowMac* peer , WXWidget w , NSLineBreakMode lineBreak) : wxWidgetCocoaImpl(peer, w)
  76     {
  77         m_lineBreak = lineBreak;
  78     }
  79
  80     virtual void SetLabel(const wxString& title, wxFontEncoding encoding)
  81     {
  82         wxCFStringRef text( title , encoding );
  83
  84         NSMutableAttributedString *
  85             attrstring = [[NSMutableAttributedString alloc] initWithString:text.AsNSString()];
  86         DoSetAttrString(attrstring);
  87         [attrstring release];
  88     }
  89
  90 #if wxUSE_MARKUP
  91     virtual void SetLabelMarkup( const wxString& markup)
  92     {
  93         wxMarkupToAttrString toAttr(GetWXPeer(), markup);
  94
  95         DoSetAttrString(toAttr.GetNSAttributedString());
  96     }
  97 #endif // wxUSE_MARKUP
  98
  99 private:
 100     void DoSetAttrString(NSMutableAttributedString *attrstring)
 101     {
 102         NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
 103         [paragraphStyle setLineBreakMode:m_lineBreak];
 104         int style = GetWXPeer()->GetWindowStyleFlag();
 105         if (style & wxALIGN_CENTER)
 106             [paragraphStyle setAlignment: NSCenterTextAlignment];
 107         else if (style & wxALIGN_RIGHT)
 108             [paragraphStyle setAlignment: NSRightTextAlignment];
 109
 110         [attrstring addAttribute:NSParagraphStyleAttributeName
 111                     value:paragraphStyle
 112                     range:NSMakeRange(0, [attrstring length])];
 113         NSCell* cell = [(wxNSStaticTextView *)GetWXWidget() cell];
 114         [cell setAttributedStringValue:attrstring];
 115         [paragraphStyle release];
 116     }
 117
 118     NSLineBreakMode m_lineBreak;
 119 };
 120
 121 wxSize wxStaticText::DoGetBestSize() const
 122 {
 123     return wxWindowMac::DoGetBestSize() ;
 124 }
 125
 126 wxWidgetImplType* wxWidgetImpl::CreateStaticText( wxWindowMac* wxpeer,
 127                                     wxWindowMac* WXUNUSED(parent),
 128                                     wxWindowID WXUNUSED(id),
 129                                     const wxString& WXUNUSED(label),
 130                                     const wxPoint& pos,
 131                                     const wxSize& size,
 132                                     long style,
 133                                     long WXUNUSED(extraStyle))
 134 {
 135     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 136     wxNSStaticTextView* v = [[wxNSStaticTextView alloc] initWithFrame:r];
 137
 138     [v setEditable:NO];
 139     [v setDrawsBackground:NO];
 140     [v setSelectable: NO];
 141     [v setBezeled:NO];
 142     [v setBordered:NO];
 143
 144     NSLineBreakMode linebreak = NSLineBreakByWordWrapping;
 145     if ( ((wxStaticText*)wxpeer)->IsEllipsized() )
 146     {
 147         if ( style & wxST_ELLIPSIZE_MIDDLE )
 148             linebreak = NSLineBreakByTruncatingMiddle;
 149         else if (style & wxST_ELLIPSIZE_END )
 150             linebreak = NSLineBreakByTruncatingTail;
 151         else if (style & wxST_ELLIPSIZE_START )
 152             linebreak = NSLineBreakByTruncatingHead;
 153     }
 154     else
 155     {
 156         [[v cell] setWraps:YES];
 157     }
 158
 159     wxWidgetCocoaImpl* c = new wxStaticTextCocoaImpl( wxpeer, v, linebreak );
 160     return c;
 161 }
 162
 163 #endif //if wxUSE_STATTEXT