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                                                   DrawThemeTabPane ( &rect, kThemeStateActive);
  88                                                 doClear = false ;
  89                                         }
  90                                         break ;
  91                                 }
  92
  93                                 parent = parent->GetParent() ;
  94                         }
  95                 }
  96         }
  97         if ( doClear )
  98                 dc.Clear() ;
  99
 100     int x = 0 ;
 101     int y = 0 ;
 102     wxString text = m_label ;
 103     wxString paragraph ;
 104         int i = 0 ;
 105         int laststop = 0 ;
 106         long width, height ;
 107
 108         while( i < text.Length() )
 109         {
 110                 if( text[i] == 13 || text[i] == 10)
 111                 {
 112                         paragraph = text.Mid( laststop , i - laststop ) ;
 113                         while( paragraph.Length() > 0 )
 114                         {
 115                                 dc.GetTextExtent( paragraph , &width , &height ) ;
 116                                 if ( width > m_width )
 117                                 {
 118                                         for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
 119                                         {
 120                                                 if ( paragraph[p]=='.' )
 121                                                 {
 122                                                         dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
 123                                                         if ( width <= m_width )
 124                                                         {
 125                                                                 int pos = x ;
 126                                                                 if ( HasFlag( wxALIGN_CENTER ) )
 127                                                                 {
 128                                                                         pos += ( m_width - width ) / 2 ;
 129                                                                 }
 130                                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 131                                                                 {
 132                                                                         pos += ( m_width - width ) ;
 133                                                                 }
 134                                                         dc.DrawText( paragraph.Left(p+1), pos , y) ;
 135                                                         y += height ;
 136                                                                 paragraph = paragraph.Mid(p+1) ;
 137                                                                 break ;
 138                                                         }
 139                                                 }
 140                                                 if ( paragraph[p]==' ' )
 141                                                 {
 142                                                         dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
 143                                                         if ( width <= m_width )
 144                                                         {
 145                                                                 int pos = x ;
 146                                                                 if ( HasFlag( wxALIGN_CENTER ) )
 147                                                                 {
 148                                                                         pos += ( m_width - width ) / 2 ;
 149                                                                 }
 150                                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 151                                                                 {
 152                                                                         pos += ( m_width - width ) ;
 153                                                                 }
 154                                                         dc.DrawText( paragraph.Left(p), pos , y) ;
 155                                                         y += height ;
 156                                                                 paragraph = paragraph.Mid(p+1) ;
 157                                                                 break ;
 158                                                         }
 159                                                 }
 160                                         }
 161                                 }
 162                                 else
 163                                 {
 164                                 dc.DrawText( paragraph, x , y) ;
 165                                 paragraph="";
 166                                 y += height ;
 167                                 }
 168                         }
 169                         laststop = i+1 ;
 170                 }
 171                 ++i ;
 172         }
 173         paragraph = text.Mid( laststop , text.Length() - laststop ) ;
 174         while( paragraph.Length() > 0 )
 175         {
 176                 dc.GetTextExtent( paragraph , &width , &height ) ;
 177                 if ( width > m_width )
 178                 {
 179                         for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
 180                         {
 181                                 if ( paragraph[p]=='.' )
 182                                 {
 183                                         dc.GetTextExtent( paragraph.Left(p+1) , &width , &height ) ;
 184                                         if ( width <= m_width )
 185                                         {
 186                                                 int pos = x ;
 187                                                 if ( HasFlag( wxALIGN_CENTER ) )
 188                                                 {
 189                                                         pos += ( m_width - width ) / 2 ;
 190                                                 }
 191                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 192                                                 {
 193                                                         pos += ( m_width - width ) ;
 194                                                 }
 195                                                 dc.DrawText( paragraph.Left(p+1), pos , y) ;
 196                                                 y += height ;
 197                                                 paragraph = paragraph.Mid(p+1) ;
 198                                                 break ;
 199                                         }
 200                                 }
 201                                 if ( paragraph[p]==' ' )
 202                                 {
 203                                         dc.GetTextExtent( paragraph.Left(p) , &width , &height ) ;
 204                                         if ( width <= m_width )
 205                                         {
 206                                                 int pos = x ;
 207                                                 if ( HasFlag( wxALIGN_CENTER ) )
 208                                                 {
 209                                                         pos += ( m_width - width ) / 2 ;
 210                                                 }
 211                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
 212                                                 {
 213                                                         pos += ( m_width - width ) ;
 214                                                 }
 215                                                 dc.DrawText( paragraph.Left(p), pos , y) ;
 216                                                 y += height ;
 217                                                 paragraph = paragraph.Mid(p+1) ;
 218                                                 break ;
 219                                         }
 220                                 }
 221                         }
 222                 }
 223                 else
 224                 {
 225                         int pos = x ;
 226                         if ( HasFlag( wxALIGN_CENTER ) )
 227                         {
 228                                 pos += ( m_width - width ) / 2 ;
 229                         }
 230                         else if ( HasFlag( wxALIGN_RIGHT ) )
 231                         {
 232                                 pos += ( m_width - width ) ;
 233                         }
 234                         dc.DrawText( paragraph, pos , y) ;
 235                         paragraph="";
 236                         y += height ;
 237                 }
 238         }
 239 }
 240
 241 void wxStaticText::OnPaint( wxPaintEvent &event )
 242 {
 243     wxPaintDC dc(this);
 244     OnDraw( dc ) ;
 245 }
 246
 247 wxSize wxStaticText::DoGetBestSize() const
 248 {
 249         int x , y  ;
 250    int widthTextMax = 0, widthLine,
 251         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 252
 253     wxString curLine;
 254     for ( const wxChar *pc = m_label; ; pc++ ) {
 255         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 256             if ( !curLine ) {
 257                 // we can't use GetTextExtent - it will return 0 for both width
 258                 // and height and an empty line should count in height
 259                 // calculation
 260                 if ( !heightLineDefault )
 261                     heightLineDefault = heightLine;
 262                 if ( !heightLineDefault )
 263                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 264
 265                 heightTextTotal += heightLineDefault;
 266             }
 267             else {
 268                 GetTextExtent(curLine, &widthLine, &heightLine);
 269                 if ( widthLine > widthTextMax )
 270                     widthTextMax = widthLine;
 271                 heightTextTotal += heightLine;
 272             }
 273
 274             if ( *pc == wxT('\n') ) {
 275                curLine.Empty();
 276             }
 277             else {
 278                // the end of string
 279                break;
 280             }
 281         }
 282         else {
 283             curLine += *pc;
 284         }
 285     }
 286
 287     return wxSize(widthTextMax, heightTextTotal);
 288 }
 289
 290 void wxStaticText::SetLabel(const wxString& st )
 291 {
 292         SetTitle( st ) ;
 293         m_label = st ;
 294         if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 295                 SetSizeOrDefault() ;
 296
 297         Refresh() ;
 298         MacUpdateImmediately() ;
 299 //    wxClientDC dc(this);
 300 //    OnDraw( dc ) ;
 301 }