src/mac/carbon/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stattext.cpp
   3 // Purpose:     wxStaticText
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "stattext.h"
  14 #endif
  15
  16 #include "wx/app.h"
  17 #include "wx/stattext.h"
  18 #include "wx/notebook.h"
  19 #include "wx/tabctrl.h"
  20 #include "wx/dc.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/utils.h"
  23 #include "wx/settings.h"
  24
  25 #include <stdio.h>
  26
  27 #if !USE_SHARED_LIBRARY
  28 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  29 #endif
  30
  31 #include "wx/mac/uma.h"
  32
  33 BEGIN_EVENT_TABLE(wxStaticText, wxStaticTextBase)
  34     EVT_PAINT(wxStaticText::OnPaint)
  35 END_EVENT_TABLE()
  36
  37 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  38            const wxString& label,
  39            const wxPoint& pos,
  40            const wxSize& size,
  41            long style,
  42            const wxString& name)
  43 {
  44     SetName(name);
  45     m_backgroundColour = parent->GetBackgroundColour() ;
  46     m_foregroundColour = parent->GetForegroundColour() ;
  47
  48     if ( id == -1 )
  49         m_windowId = (int)NewControlId();
  50     else
  51         m_windowId = id;
  52
  53     m_windowStyle = style;
  54     m_label = wxStripMenuCodes(label) ;
  55
  56     bool ret = wxControl::Create( parent, id, pos, size, style , wxDefaultValidator , name );
  57     SetBestSize( size ) ;
  58
  59     return ret;
  60 }
  61
  62 const wxString punct = " ,.-;:!?";
  63
  64 void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph, int &y)
  65 {
  66     long width, height ;
  67
  68     if (paragraph.Length() == 0)
  69     {
  70         // empty line
  71         dc.GetTextExtent( "H", &width, &height );
  72         y += height;
  73
  74         return;
  75     }
  76
  77   int x = 0 ;
  78
  79   int i = 0 ;
  80   bool linedrawn = true;
  81   while( paragraph.Length() > 0 )
  82   {
  83         dc.GetTextExtent( paragraph , &width , &height ) ;
  84
  85         if ( width > m_width )
  86         {
  87             for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
  88             {
  89               if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn)
  90                 {
  91                   int blank = (paragraph[p] == ' ') ? 0 : 1;
  92
  93                     dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ;
  94
  95                     if ( width <= m_width )
  96                     {
  97                         int pos = x ;
  98                         if ( HasFlag( wxALIGN_CENTER ) )
  99                         {
 100                             pos += ( m_width - width ) / 2 ;
 101                       }
 102                         else if ( HasFlag( wxALIGN_RIGHT ) )
 103                         {
 104                             pos += ( m_width - width ) ;
 105                       }
 106
 107                     dc.DrawText( paragraph.Left(p + blank), pos , y) ;
 108                     y += height ;
 109                         paragraph = paragraph.Mid(p+1) ;
 110                         linedrawn = true;
 111                         break ;
 112                     }
 113                 }
 114             }
 115
 116             linedrawn = false;
 117         }
 118         else
 119         {
 120             int pos = x ;
 121             if ( HasFlag( wxALIGN_CENTER ) )
 122             {
 123                 pos += ( m_width - width ) / 2 ;
 124           }
 125             else if ( HasFlag( wxALIGN_RIGHT ) )
 126             {
 127                 pos += ( m_width - width ) ;
 128           }
 129
 130         dc.DrawText( paragraph, pos , y) ;
 131         paragraph="";
 132         y += height ;
 133         }
 134     }
 135 }
 136
 137 void wxStaticText::OnDraw( wxDC &dc )
 138 {
 139     if (m_width <= 0 || m_height <= 0)
 140         return;
 141 /*
 142     dc.Clear() ;
 143     wxRect rect(0,0,m_width,m_height) ;
 144     dc.SetFont(*wxSMALL_FONT) ;
 145
 146     dc.DrawRectangle(rect) ;
 147 */
 148   if ( !IsWindowHilited( (WindowRef) MacGetRootWindow() ) &&
 149     ( GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE )
 150       || GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE) ) )
 151   {
 152     dc.SetTextForeground( wxColour( 0x80 , 0x80 , 0x80 ) ) ;
 153   }
 154   else
 155   {
 156     dc.SetTextForeground( GetForegroundColour() ) ;
 157   }
 158
 159   wxString paragraph;
 160   int i = 0 ;
 161   wxString text = m_label;
 162   int y = 0 ;
 163   while (i < text.Length())
 164   {
 165
 166     if (text[i] == 13 || text[i] == 10)
 167     {
 168         DrawParagraph(dc, paragraph,y);
 169         paragraph = "" ;
 170     }
 171     else
 172     {
 173         paragraph += text[i];
 174     }
 175     ++i;
 176   }
 177   if (paragraph.Length() > 0)
 178       DrawParagraph(dc, paragraph,y);
 179 }
 180
 181 void wxStaticText::OnPaint( wxPaintEvent &event )
 182 {
 183     wxPaintDC dc(this);
 184     OnDraw( dc ) ;
 185 }
 186
 187 wxSize wxStaticText::DoGetBestSize() const
 188 {
 189     int widthTextMax = 0, widthLine,
 190         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 191
 192     wxString curLine;
 193     for ( const wxChar *pc = m_label; ; pc++ )
 194     {
 195         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 196         {
 197             if ( !curLine )
 198             {
 199                 // we can't use GetTextExtent - it will return 0 for both width
 200                 // and height and an empty line should count in height
 201                 // calculation
 202                 if ( !heightLineDefault )
 203                     heightLineDefault = heightLine;
 204                 if ( !heightLineDefault )
 205                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 206
 207                 heightTextTotal += heightLineDefault;
 208
 209                 heightTextTotal++;  // FIXME: why is this necessary?
 210             }
 211             else
 212             {
 213                 GetTextExtent(curLine, &widthLine, &heightLine);
 214                 if ( widthLine > widthTextMax )
 215                     widthTextMax = widthLine;
 216                 heightTextTotal += heightLine;
 217
 218                 heightTextTotal++;  // FIXME: why is this necessary?
 219             }
 220
 221             if ( *pc == wxT('\n') ) {
 222                curLine.Empty();
 223             }
 224             else {
 225                // the end of string
 226                break;
 227             }
 228         }
 229         else {
 230             curLine += *pc;
 231         }
 232     }
 233
 234     return wxSize(widthTextMax, heightTextTotal);
 235 }
 236
 237 void wxStaticText::SetLabel(const wxString& st )
 238 {
 239     SetTitle( st ) ;
 240     m_label = st ;
 241     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 242         SetSize( GetBestSize() ) ;
 243
 244     Refresh() ;
 245     Update() ;
 246 }
 247
 248 bool wxStaticText::SetFont(const wxFont& font)
 249 {
 250     bool ret = wxControl::SetFont(font);
 251
 252     // adjust the size of the window to fit to the label unless autoresizing is
 253     // disabled
 254     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 255         SetSize( GetBestSize() );
 256
 257     return ret;
 258 }