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
  23 #include <stdio.h>
  24
  25 #if !USE_SHARED_LIBRARY
  26 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  27 #endif
  28
  29 #include <wx/mac/uma.h>
  30
  31 BEGIN_EVENT_TABLE(wxStaticText, wxControl)
  32     EVT_PAINT(wxStaticText::OnPaint)
  33 END_EVENT_TABLE()
  34
  35 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  36            const wxString& label,
  37            const wxPoint& pos,
  38            const wxSize& size,
  39            long style,
  40            const wxString& name)
  41 {
  42     SetName(name);
  43     m_backgroundColour = parent->GetBackgroundColour() ;
  44     m_foregroundColour = parent->GetForegroundColour() ;
  45
  46     if ( id == -1 )
  47             m_windowId = (int)NewControlId();
  48     else
  49             m_windowId = id;
  50
  51     m_windowStyle = style;
  52     m_label = label ;
  53
  54         bool ret = wxControl::Create( parent, id, pos, size, style , wxDefaultValidator , name );
  55         SetSizeOrDefault( size ) ;
  56
  57     return ret;
  58 }
  59
  60 void wxStaticText::OnDraw( wxDC &dc )
  61 {
  62     if (m_width <= 0 || m_height <= 0)
  63         return;
  64
  65     PrepareDC(dc);
  66
  67     bool doClear = true ;
  68         WindowRef window = GetMacRootWindow() ;
  69         if ( window )
  70         {
  71                 wxWindow* win = wxFindWinFromMacWindow( window ) ;
  72                 if ( win )
  73                 {
  74                         wxWindow* parent = GetParent() ;
  75                         while ( parent )
  76                         {
  77                                 if( parent->MacGetWindowData() )
  78                                 {
  79                                         break ;
  80                                 }
  81
  82                                 if( parent->IsKindOf( CLASSINFO( wxNotebook ) ) ||  parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
  83                                 {
  84                                         if ( ((wxControl*)parent)->GetMacControl() ) {
  85                                                 Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
  86                                                 if ( DrawThemeTabPane != (void*)kUnresolvedCFragSymbolAddress )
  87                                                 {
  88                                                   DrawThemeTabPane ( &rect, kThemeStateActive);
  89                                                   doClear = false ;
  90                                                 }
  91                                         }
  92                                         break ;
  93                                 }
  94
  95                                 parent = parent->GetParent() ;
  96                         }
  97                 }
  98         }
  99         if ( doClear )
 100                 dc.Clear() ;
 101
 102     int x = 0 ;
 103     int y = 0 ;
 104     wxString text = m_label ;
 105     wxString paragraph ;
 106         int i = 0 ;
 107         int laststop = 0 ;
 108         long width, height ;
 109
 110         while( i < text.Length() )
 111         {
 112                 if( text[i] == 13 || text[i] == 10)
 113                 {
 114                         paragraph = text.Mid( laststop , i - laststop ) ;
 115                         while( paragraph.Length() > 0 )
 116                         {
 117                                 dc.GetTextExtent( paragraph , &width , &height ) ;
 118                                 if ( width > m_width )
 119                                 {
 120                                         for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
 121                                         {
 122                                                 if ( paragraph[p]=='.' )
 123                                                 {
 124                                                         dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
 125                                                         if ( width <= m_width )
 126                                                         {
 127                                                                 int pos = x ;
 128                                                                 if ( HasFlag( wxALIGN_CENTER ) )
 129                                                                 {
 130                                                                         pos += ( m_width - width ) / 2 ;
 131                                                                 }
 132                                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 133                                                                 {
 134                                                                         pos += ( m_width - width ) ;
 135                                                                 }
 136                                                         dc.DrawText( paragraph.Left(p+1), pos , y) ;
 137                                                         y += height ;
 138                                                                 paragraph = paragraph.Mid(p+1) ;
 139                                                                 break ;
 140                                                         }
 141                                                 }
 142                                                 if ( paragraph[p]==' ' )
 143                                                 {
 144                                                         dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
 145                                                         if ( width <= m_width )
 146                                                         {
 147                                                                 int pos = x ;
 148                                                                 if ( HasFlag( wxALIGN_CENTER ) )
 149                                                                 {
 150                                                                         pos += ( m_width - width ) / 2 ;
 151                                                                 }
 152                                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 153                                                                 {
 154                                                                         pos += ( m_width - width ) ;
 155                                                                 }
 156                                                         dc.DrawText( paragraph.Left(p), pos , y) ;
 157                                                         y += height ;
 158                                                                 paragraph = paragraph.Mid(p+1) ;
 159                                                                 break ;
 160                                                         }
 161                                                 }
 162                                         }
 163                                 }
 164                                 else
 165                                 {
 166                                 dc.DrawText( paragraph, x , y) ;
 167                                 paragraph="";
 168                                 y += height ;
 169                                 }
 170                         }
 171                         laststop = i+1 ;
 172                 }
 173                 ++i ;
 174         }
 175         paragraph = text.Mid( laststop , text.Length() - laststop ) ;
 176         while( paragraph.Length() > 0 )
 177         {
 178                 dc.GetTextExtent( paragraph , &width , &height ) ;
 179                 if ( width > m_width )
 180                 {
 181                         for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
 182                         {
 183                                 if ( paragraph[p]=='.' )
 184                                 {
 185                                         dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
 186                                         if ( width <= m_width )
 187                                         {
 188                                                 int pos = x ;
 189                                                 if ( HasFlag( wxALIGN_CENTER ) )
 190                                                 {
 191                                                         pos += ( m_width - width ) / 2 ;
 192                                                 }
 193                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 194                                                 {
 195                                                         pos += ( m_width - width ) ;
 196                                                 }
 197                                                 dc.DrawText( paragraph.Left(p+1), pos , y) ;
 198                                                 y += height ;
 199                                                 paragraph = paragraph.Mid(p+1) ;
 200                                                 break ;
 201                                         }
 202                                 }
 203                                 if ( paragraph[p]==' ' )
 204                                 {
 205                                         dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
 206                                         if ( width <= m_width )
 207                                         {
 208                                                 int pos = x ;
 209                                                 if ( HasFlag( wxALIGN_CENTER ) )
 210                                                 {
 211                                                         pos += ( m_width - width ) / 2 ;
 212                                                 }
 213                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 214                                                 {
 215                                                         pos += ( m_width - width ) ;
 216                                                 }
 217                                                 dc.DrawText( paragraph.Left(p), pos , y) ;
 218                                                 y += height ;
 219                                                 paragraph = paragraph.Mid(p+1) ;
 220                                                 break ;
 221                                         }
 222                                 }
 223                         }
 224                 }
 225                 else
 226                 {
 227                         int pos = x ;
 228                         if ( HasFlag( wxALIGN_CENTER ) )
 229                         {
 230                                 pos += ( m_width - width ) / 2 ;
 231                         }
 232                         else if ( HasFlag( wxALIGN_RIGHT ) )
 233                         {
 234                                 pos += ( m_width - width ) ;
 235                         }
 236                         dc.DrawText( paragraph, pos , y) ;
 237                         paragraph="";
 238                         y += height ;
 239                 }
 240         }
 241 }
 242
 243 void wxStaticText::OnPaint( wxPaintEvent &event )
 244 {
 245     wxPaintDC dc(this);
 246     OnDraw( dc ) ;
 247 }
 248
 249 wxSize wxStaticText::DoGetBestSize() const
 250 {
 251         int x , y  ;
 252    int widthTextMax = 0, widthLine,
 253         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 254
 255     wxString curLine;
 256     for ( const wxChar *pc = m_label; ; pc++ ) {
 257         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 258             if ( !curLine ) {
 259                 // we can't use GetTextExtent - it will return 0 for both width
 260                 // and height and an empty line should count in height
 261                 // calculation
 262                 if ( !heightLineDefault )
 263                     heightLineDefault = heightLine;
 264                 if ( !heightLineDefault )
 265                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 266
 267                 heightTextTotal += heightLineDefault;
 268             }
 269             else {
 270                 GetTextExtent(curLine, &widthLine, &heightLine);
 271                 if ( widthLine > widthTextMax )
 272                     widthTextMax = widthLine;
 273                 heightTextTotal += heightLine;
 274             }
 275
 276             if ( *pc == wxT('\n') ) {
 277                curLine.Empty();
 278             }
 279             else {
 280                // the end of string
 281                break;
 282             }
 283         }
 284         else {
 285             curLine += *pc;
 286         }
 287     }
 288
 289     return wxSize(widthTextMax, heightTextTotal);
 290 }
 291
 292 void wxStaticText::SetLabel(const wxString& st )
 293 {
 294         SetTitle( st ) ;
 295         m_label = st ;
 296         if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 297                 SetSizeOrDefault() ;
 298
 299         Refresh() ;
 300         MacUpdateImmediately() ;
 301 //    wxClientDC dc(this);
 302 //    OnDraw( dc ) ;
 303 }