src/os2/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/stattext.cpp
   3 // Purpose:     wxStaticText
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/stattext.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/event.h"
  19     #include "wx/app.h"
  20     #include "wx/brush.h"
  21     #include "wx/scrolwin.h"
  22 #endif
  23
  24 #include "wx/os2/private.h"
  25 #include <stdio.h>
  26
  27 bool wxStaticText::Create( wxWindow*        pParent,
  28                            wxWindowID       vId,
  29                            const wxString&  rsLabel,
  30                            const wxPoint&   rPos,
  31                            const wxSize&    rSize,
  32                            long             lStyle,
  33                            const wxString&  rsName )
  34 {
  35     SetName(rsName);
  36     if (pParent)
  37         pParent->AddChild(this);
  38
  39     SetBackgroundColour(pParent->GetBackgroundColour()) ;
  40     SetForegroundColour(pParent->GetForegroundColour()) ;
  41
  42     if ( vId == wxID_ANY )
  43         m_windowId = (int)NewControlId();
  44     else
  45         m_windowId = vId;
  46
  47     int nX      = rPos.x;
  48     int nY      = rPos.y;
  49     int nWidth  = rSize.x;
  50     int nHeight = rSize.y;
  51
  52     m_windowStyle = lStyle;
  53
  54     long lSstyle = 0L;
  55
  56     // Used to have DT_VCENTER but that doesn't work correctly with
  57     // multiline strings and DT_WORDBREAK. Accept a reasonable
  58     // compromise for now
  59     lSstyle = WS_VISIBLE | SS_TEXT | DT_WORDBREAK | DT_MNEMONIC;
  60     if (m_windowStyle & wxALIGN_CENTRE)
  61         lSstyle |= DT_CENTER;
  62     else if (m_windowStyle & wxALIGN_RIGHT)
  63         lSstyle |= DT_RIGHT;
  64     else
  65         lSstyle |= DT_LEFT;
  66
  67     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
  68                                        ,WC_STATIC                // Window class
  69                                        ,NULL                     // Initial Text
  70                                        ,(ULONG)lSstyle           // Style flags
  71                                        ,0L, 0L, 0L, 0L           // Origin -- 0 size
  72                                        ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
  73                                        ,HWND_TOP                 // initial z position
  74                                        ,(ULONG)m_windowId        // Window identifier
  75                                        ,NULL                     // no control data
  76                                        ,NULL                     // no Presentation parameters
  77                                       );
  78
  79     wxCHECK_MSG(m_hWnd, false, wxT("Failed to create static ctrl"));
  80
  81     LONG lColor = (LONG)wxBLACK->GetPixel();
  82
  83     ::WinSetPresParam( m_hWnd
  84                       ,PP_FOREGROUNDCOLOR
  85                       ,sizeof(LONG)
  86                       ,(PVOID)&lColor
  87                      );
  88     lColor = (LONG)m_backgroundColour.GetPixel();
  89
  90     ::WinSetPresParam( m_hWnd
  91                       ,PP_BACKGROUNDCOLOR
  92                       ,sizeof(LONG)
  93                       ,(PVOID)&lColor
  94                      );
  95
  96     SubclassWin(m_hWnd);
  97     SetFont(*wxSMALL_FONT);
  98     SetXComp(0);
  99     SetYComp(0);
 100     SetSize( nX, nY, nWidth, nHeight );
 101
 102     SetLabel(rsLabel);
 103
 104     return true;
 105 } // end of wxStaticText::Create
 106
 107 wxSize wxStaticText::DoGetBestSize() const
 108 {
 109     wxString sText(GetLabel());
 110     int      nWidthTextMax = 0;
 111     int      nWidthLine = 0;
 112     int      nHeightTextTotal = 0;
 113     int      nHeightLineDefault = 0;
 114     int      nHeightLine = 0;
 115     wxString sCurLine;
 116     bool     bLastWasTilde = false;
 117
 118     for (const wxChar *pc = sText; ; pc++)
 119     {
 120         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 121         {
 122             if (!sCurLine )
 123             {
 124                 //
 125                 // We can't use GetTextExtent - it will return 0 for both width
 126                 // and height and an empty line should count in height
 127                 // calculation
 128                 //
 129                 if (!nHeightLineDefault)
 130                     nHeightLineDefault = nHeightLine;
 131                 if (!nHeightLineDefault)
 132                     GetTextExtent(wxT("W"), NULL, &nHeightLineDefault);
 133                 nHeightTextTotal += nHeightLineDefault;
 134             }
 135             else
 136             {
 137                 GetTextExtent( sCurLine
 138                               ,&nWidthLine
 139                               ,&nHeightLine
 140                              );
 141                 if (nWidthLine > nWidthTextMax)
 142                     nWidthTextMax = nWidthLine;
 143                 nHeightTextTotal += nHeightLine;
 144             }
 145
 146             if ( *pc == wxT('\n') )
 147             {
 148                 sCurLine.Empty();
 149             }
 150             else
 151             {
 152                break;
 153             }
 154         }
 155         else
 156         {
 157             //
 158             // We shouldn't take into account the '~' which just introduces the
 159             // mnemonic characters and so are not shown on the screen -- except
 160             // when it is preceded by another '~' in which case it stands for a
 161             // literal tilde
 162             //
 163             if (*pc == wxT('~'))
 164             {
 165                 if (!bLastWasTilde)
 166                 {
 167                     bLastWasTilde = true;
 168
 169                     //
 170                     // Skip the statement adding pc to curLine below
 171                     //
 172                     continue;
 173                 }
 174
 175                 //
 176                 // It is a literal tilde
 177                 //
 178                 bLastWasTilde = false;
 179             }
 180             sCurLine += *pc;
 181         }
 182     }
 183     return wxSize( nWidthTextMax
 184                   ,nHeightTextTotal
 185                  );
 186 } // end of wxStaticText::DoGetBestSize
 187
 188 void wxStaticText::DoSetSize(
 189   int                               nX
 190 , int                               nY
 191 , int                               nWidth
 192 , int                               nHeight
 193 , int                               nSizeFlags
 194 )
 195 {
 196     //
 197     // We need to refresh the window after changing its size as the standard
 198     // control doesn't always update itself properly.
 199     //
 200     wxStaticTextBase::DoSetSize( nX
 201                                 ,nY
 202                                 ,nWidth
 203                                 ,nHeight
 204                                 ,nSizeFlags
 205                                );
 206
 207     // eventually update label (if ellipsizing is on):
 208     UpdateLabel();
 209
 210     Refresh();
 211 } // end of wxStaticText::DoSetSize
 212
 213 bool wxStaticText::SetFont(
 214   const wxFont&                     rFont
 215 )
 216 {
 217     bool                            bRet = wxControl::SetFont(rFont);
 218
 219     //
 220     // Adjust the size of the window to fit to the label unless autoresizing is
 221     // disabled
 222     //
 223     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 224     {
 225         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 226     }
 227     return bRet;
 228 } // end of wxStaticText::SetFont
 229
 230 void wxStaticText::SetLabel(
 231   const wxString&                   rsLabel
 232 )
 233 {
 234     m_labelOrig = rsLabel;       // save original label
 235
 236     // OS/2 does not support ellipsized labels in static text:
 237     DoSetLabel(GetEllipsizedLabel());
 238
 239     //
 240     // Adjust the size of the window to fit to the label unless autoresizing is
 241     // disabled
 242     //
 243     if (!(GetWindowStyle() & wxST_NO_AUTORESIZE) &&
 244         !IsEllipsized())
 245     {
 246         wxCoord                     vX;
 247         wxCoord                     vY;
 248         wxCoord                     vWidth;
 249         wxCoord                     vHeight;
 250
 251         GetPosition(&vX, &vY);
 252         GetSize(&vWidth, &vHeight);
 253         if (!(vX == -1 && vY == -1 && vWidth == -1 && vHeight == -1))
 254             DoSetSize(vX, vY, vWidth, vHeight, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 255         else
 256             DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 257     }
 258 } // end of wxStaticText::SetLabel
 259
 260 MRESULT wxStaticText::OS2WindowProc(
 261   WXUINT                            uMsg
 262 , WXWPARAM                          wParam
 263 , WXLPARAM                          lParam
 264 )
 265 {
 266     return wxWindow::OS2WindowProc( uMsg
 267                                    ,wParam
 268                                    ,lParam
 269                                   );
 270 } // end of wxStaticText::OS2WindowProc
 271
 272
 273 // for wxST_ELLIPSIZE_* support:
 274
 275 void wxStaticText::DoSetLabel(const wxString& str)
 276 {
 277     wxString sLabel = ::wxPMTextToLabel(str);
 278     ::WinSetWindowText(GetHwnd(), sLabel.c_str());
 279 }
 280
 281 wxString wxStaticText::DoGetLabel() const
 282 {
 283     return wxGetWindowText(GetHwnd());
 284 }
 285