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