src/os2/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "stattext.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/event.h"
  21 #include "wx/app.h"
  22 #include "wx/brush.h"
  23 #include "wx/scrolwin.h"
  24 #endif
  25
  26 #include "wx/stattext.h"
  27 #include "wx/os2/private.h"
  28 #include <stdio.h>
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  31
  32 bool wxStaticText::Create(
  33   wxWindow*                         pParent
  34 , wxWindowID                        vId
  35 , const wxString&                   rsLabel
  36 , const wxPoint&                    rPos
  37 , const wxSize&                     rSize
  38 , long                              lStyle
  39 , const wxString&                   rsName
  40 )
  41 {
  42     SetName(rsName);
  43     if (pParent)
  44         pParent->AddChild(this);
  45
  46     SetBackgroundColour(pParent->GetBackgroundColour()) ;
  47     SetForegroundColour(pParent->GetForegroundColour()) ;
  48
  49     if ( vId == -1 )
  50         m_windowId = (int)NewControlId();
  51     else
  52         m_windowId = vId;
  53
  54     int                             nX      = rPos.x;
  55     int                             nY      = rPos.y;
  56     int                             nWidth  = rSize.x;
  57     int                             nHeight = rSize.y;
  58
  59     m_windowStyle = lStyle;
  60
  61     long                            lSstyle = 0L;
  62
  63     lSstyle = WS_VISIBLE | SS_TEXT | DT_VCENTER;
  64     if (m_windowStyle & wxALIGN_CENTRE)
  65         lSstyle |= DT_CENTER;
  66     else if (m_windowStyle & wxALIGN_RIGHT)
  67         lSstyle |= DT_RIGHT;
  68     else
  69         lSstyle |= DT_LEFT;
  70     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
  71                                        ,WC_STATIC                // Window class
  72                                        ,(PSZ)rsLabel.c_str()     // Initial Text
  73                                        ,(ULONG)lSstyle           // Style flags
  74                                        ,0L, 0L, 0L, 0L           // Origin -- 0 size
  75                                        ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
  76                                        ,HWND_TOP                 // initial z position
  77                                        ,(ULONG)m_windowId        // Window identifier
  78                                        ,NULL                     // no control data
  79                                        ,NULL                     // no Presentation parameters
  80                                       );
  81
  82     wxCHECK_MSG(m_hWnd, FALSE, wxT("Failed to create static ctrl"));
  83
  84     wxColour                        vColour;
  85
  86     vColour.Set(wxString("BLACK"));
  87
  88     LONG                            lColor = (LONG)vColour.GetPixel();
  89
  90     ::WinSetPresParam( m_hWnd
  91                       ,PP_FOREGROUNDCOLOR
  92                       ,sizeof(LONG)
  93                       ,(PVOID)&lColor
  94                      );
  95     lColor = (LONG)m_backgroundColour.GetPixel();
  96
  97     ::WinSetPresParam( m_hWnd
  98                       ,PP_BACKGROUNDCOLOR
  99                       ,sizeof(LONG)
 100                       ,(PVOID)&lColor
 101                      );
 102
 103     SubclassWin(m_hWnd);
 104     SetFont(*wxSMALL_FONT);
 105     SetXComp(0);
 106     SetYComp(0);
 107     SetSize( nX
 108             ,nY
 109             ,nWidth
 110             ,nHeight
 111            );
 112     return TRUE;
 113 } // end of wxStaticText::Create
 114
 115 wxSize wxStaticText::DoGetBestSize() const
 116 {
 117     wxString                        sText(wxGetWindowText(GetHWND()));
 118     int                             nWidthTextMax = 0;
 119     int                             nWidthLine = 0;
 120     int                             nHeightTextTotal = 0;
 121     int                             nHeightLineDefault = 0;
 122     int                             nHeightLine = 0;
 123     wxString                        sCurLine;
 124     bool                            bLastWasAmpersand = FALSE;
 125
 126     for (const wxChar *pc = sText; ; pc++)
 127     {
 128         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 129         {
 130             if (!sCurLine )
 131             {
 132                 //
 133                 // We can't use GetTextExtent - it will return 0 for both width
 134                 // and height and an empty line should count in height
 135                 // calculation
 136                 //
 137                 if (!nHeightLineDefault)
 138                     nHeightLineDefault = nHeightLine;
 139                 if (!nHeightLineDefault)
 140                     GetTextExtent(_T("W"), NULL, &nHeightLineDefault);
 141                 nHeightTextTotal += nHeightLineDefault;
 142             }
 143             else
 144             {
 145                 GetTextExtent( sCurLine
 146                               ,&nWidthLine
 147                               ,&nHeightLine
 148                              );
 149                 if (nWidthLine > nWidthTextMax)
 150                     nWidthTextMax = nWidthLine;
 151                 nHeightTextTotal += nHeightLine;
 152             }
 153
 154             if ( *pc == wxT('\n') )
 155             {
 156                 sCurLine.Empty();
 157             }
 158             else
 159             {
 160                break;
 161             }
 162         }
 163         else
 164         {
 165             //
 166             // We shouldn't take into account the '&' which just introduces the
 167             // mnemonic characters and so are not shown on the screen -- except
 168             // when it is preceded by another '&' in which case it stands for a
 169             // literal ampersand
 170             //
 171             if (*pc == _T('&'))
 172             {
 173                 if (!bLastWasAmpersand)
 174                 {
 175                     bLastWasAmpersand = TRUE;
 176
 177                     //
 178                     // Skip the statement adding pc to curLine below
 179                     //
 180                     continue;
 181                 }
 182
 183                 //
 184                 // It is a literal ampersand
 185                 //
 186                 bLastWasAmpersand = FALSE;
 187             }
 188             sCurLine += *pc;
 189         }
 190     }
 191     return wxSize( nWidthTextMax
 192                   ,nHeightTextTotal
 193                  );
 194 } // end of wxStaticText::DoGetBestSize
 195
 196 void wxStaticText::DoSetSize(
 197   int                               nX
 198 , int                               nY
 199 , int                               nWidth
 200 , int                               nHeight
 201 , int                               nSizeFlags
 202 )
 203 {
 204     //
 205     // We need to refresh the window after changing its size as the standard
 206     // control doesn't always update itself properly.
 207     //
 208     wxStaticTextBase::DoSetSize( nX
 209                                 ,nY
 210                                 ,nWidth
 211                                 ,nHeight
 212                                 ,nSizeFlags
 213                                );
 214     Refresh();
 215 } // end of wxStaticText::DoSetSize
 216
 217 bool wxStaticText::SetFont(
 218   const wxFont&                     rFont
 219 )
 220 {
 221     bool                            bRet = wxControl::SetFont(rFont);
 222
 223     //
 224     // Adjust the size of the window to fit to the label unless autoresizing is
 225     // disabled
 226     //
 227     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 228     {
 229         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 230     }
 231     return bRet;
 232 } // end of wxStaticText::SetFont
 233
 234 void wxStaticText::SetLabel(
 235   const wxString&                   rsLabel
 236 )
 237 {
 238     ::WinSetWindowText(GetHwnd(), rsLabel.c_str());
 239
 240     //
 241     // Adjust the size of the window to fit to the label unless autoresizing is
 242     // disabled
 243     //
 244     if (!(GetWindowStyle() & wxST_NO_AUTORESIZE))
 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