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, wxStaticTextBase)
  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         SetBestSize( size ) ;
  56
  57     return ret;
  58 }
  59
  60 const wxString punct = " ,.-;:!?";
  61
  62 void wxStaticText::DrawParagraph(wxDC &dc, wxString paragraph)
  63 {
  64   int x = 0 ;
  65   int y = 0 ;
  66   int i = 0 ;
  67   long width, height ;
  68   bool linedrawn = true;
  69   while( paragraph.Length() > 0 )
  70   {
  71                 dc.GetTextExtent( paragraph , &width , &height ) ;
  72
  73                 if ( width > m_width )
  74                 {
  75                         for ( int p = paragraph.Length() -1 ; p > 0 ; --p )
  76                         {
  77                           if ((punct.Find(paragraph[p]) != wxNOT_FOUND) || !linedrawn)
  78                                 {
  79                                   int blank = (paragraph[p] == ' ') ? 0 : 1;
  80
  81                                         dc.GetTextExtent( paragraph.Left(p + blank) , &width , &height ) ;
  82
  83                                         if ( width <= m_width )
  84                                         {
  85                                                 int pos = x ;
  86                                                 if ( HasFlag( wxALIGN_CENTER ) )
  87                                                 {
  88                                                         pos += ( m_width - width ) / 2 ;
  89                                           }
  90                                                 else if ( HasFlag( wxALIGN_RIGHT ) )
  91                                                 {
  92                                                         pos += ( m_width - width ) ;
  93                                           }
  94
  95                                         dc.DrawText( paragraph.Left(p + blank), pos , y) ;
  96                                         y += height ;
  97                                                 paragraph = paragraph.Mid(p+1) ;
  98                                                 linedrawn = true;
  99                                                 break ;
 100                                         }
 101                                 }
 102                         }
 103
 104                         linedrawn = false;
 105                 }
 106                 else
 107                 {
 108                         int pos = x ;
 109                         if ( HasFlag( wxALIGN_CENTER ) )
 110                         {
 111                                 pos += ( m_width - width ) / 2 ;
 112                   }
 113                         else if ( HasFlag( wxALIGN_RIGHT ) )
 114                         {
 115                                 pos += ( m_width - width ) ;
 116                   }
 117
 118                 dc.DrawText( paragraph, pos , y) ;
 119                 paragraph="";
 120                 y += height ;
 121                 }
 122         }
 123 }
 124
 125 void wxStaticText::OnDraw( wxDC &dc )
 126 {
 127     if (m_width <= 0 || m_height <= 0)
 128         return;
 129
 130   wxString paragraph;
 131   int i = 0 ;
 132   wxString text = m_label;
 133
 134     PrepareDC(dc);
 135
 136     bool doClear = true ;
 137         WindowRef window = GetMacRootWindow() ;
 138         if ( window )
 139         {
 140                 wxWindow* win = wxFindWinFromMacWindow( window ) ;
 141                 if ( win )
 142                 {
 143                         wxWindow* parent = GetParent() ;
 144                         while ( parent )
 145                         {
 146                                 if( parent->MacGetWindowData() )
 147                                 {
 148                                         break ;
 149                                 }
 150
 151                                 if( parent->IsKindOf( CLASSINFO( wxNotebook ) ) ||  parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
 152                                 {
 153                                         if ( ((wxControl*)parent)->GetMacControl() ) {
 154                                                 Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
 155                                                 if ( DrawThemeTabPane != (void*)kUnresolvedCFragSymbolAddress )
 156                                                 {
 157                                                   DrawThemeTabPane ( &rect, kThemeStateActive);
 158                                                   doClear = false ;
 159                                                 }
 160                                         }
 161                                         break ;
 162                                 }
 163
 164                                 parent = parent->GetParent() ;
 165                         }
 166                 }
 167         }
 168         if ( doClear )
 169                 dc.Clear() ;
 170
 171         while (i < text.Length())
 172         {
 173           paragraph += text[i];
 174
 175         if (text[i] == 13 || text[i] == 10)
 176             DrawParagraph(dc, paragraph);
 177
 178     ++i;
 179   }
 180   if (paragraph.Length() > 0)
 181           DrawParagraph(dc, paragraph);
 182 }
 183
 184 void wxStaticText::OnPaint( wxPaintEvent &event )
 185 {
 186     wxPaintDC dc(this);
 187     OnDraw( dc ) ;
 188 }
 189
 190 wxSize wxStaticText::DoGetBestSize() const
 191 {
 192         int x,y ;
 193     int widthTextMax = 0, widthLine,
 194         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 195
 196     wxString curLine;
 197     for ( const wxChar *pc = m_label; ; pc++ )
 198     {
 199         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 200         {
 201             if ( !curLine )
 202             {
 203                 // we can't use GetTextExtent - it will return 0 for both width
 204                 // and height and an empty line should count in height
 205                 // calculation
 206                 if ( !heightLineDefault )
 207                     heightLineDefault = heightLine;
 208                 if ( !heightLineDefault )
 209                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 210
 211                 heightTextTotal += heightLineDefault;
 212
 213                 heightTextTotal++;  // FIXME: why is this necessary?
 214             }
 215             else
 216             {
 217                 GetTextExtent(curLine, &widthLine, &heightLine);
 218                 if ( widthLine > widthTextMax )
 219                     widthTextMax = widthLine;
 220                 heightTextTotal += heightLine;
 221
 222                 heightTextTotal++;  // FIXME: why is this necessary?
 223             }
 224
 225             if ( *pc == wxT('\n') ) {
 226                curLine.Empty();
 227             }
 228             else {
 229                // the end of string
 230                break;
 231             }
 232         }
 233         else {
 234             curLine += *pc;
 235         }
 236     }
 237
 238     return wxSize(widthTextMax, heightTextTotal);
 239 }
 240
 241 void wxStaticText::SetLabel(const wxString& st )
 242 {
 243         SetTitle( st ) ;
 244         m_label = st ;
 245         if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 246                 SetSize( GetBestSize() ) ;
 247
 248         Refresh() ;
 249         MacUpdateImmediately() ;
 250 //    wxClientDC dc(this);
 251 //    OnDraw( dc ) ;
 252 }