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 #endif
  24
  25 #include "wx/stattext.h"
  26 #include "wx/os2/private.h"
  27 #include <stdio.h>
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  30
  31 bool wxStaticText::Create(
  32   wxWindow*                         pParent
  33 , wxWindowID                        vId
  34 , const wxString&                   rsLabel
  35 , const wxPoint&                    rPos
  36 , const wxSize&                     rSize
  37 , long                              lStyle
  38 , const wxString&                   rsName
  39 )
  40 {
  41     SetName(rsName);
  42     if (pParent)
  43         pParent->AddChild(this);
  44
  45     SetBackgroundColour(pParent->GetBackgroundColour()) ;
  46     SetForegroundColour(pParent->GetForegroundColour()) ;
  47
  48     if ( vId == -1 )
  49         m_windowId = (int)NewControlId();
  50     else
  51         m_windowId = vId;
  52
  53     int                             nX      = rPos.x;
  54     int                             nY      = rPos.y;
  55     int                             nWidth  = rSize.x;
  56     int                             nHeight = rSize.y;
  57
  58     m_windowStyle = lStyle;
  59
  60     long                            lSstyle = 0L;
  61
  62     lSstyle = WS_VISIBLE | SS_TEXT | DT_VCENTER;
  63     if (m_windowStyle & wxALIGN_CENTRE)
  64         lSstyle |= DT_CENTER;
  65     else if (m_windowStyle & wxALIGN_RIGHT)
  66         lSstyle |= DT_RIGHT;
  67     else
  68         lSstyle |= DT_LEFT;
  69     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
  70                                        ,WC_STATIC                // Window class
  71                                        ,(PSZ)rsLabel.c_str()     // Initial Text
  72                                        ,(ULONG)lSstyle           // Style flags
  73                                        ,0L, 0L, 0L, 0L           // Origin -- 0 size
  74                                        ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
  75                                        ,HWND_TOP                 // initial z position
  76                                        ,(ULONG)m_windowId        // Window identifier
  77                                        ,NULL                     // no control data
  78                                        ,NULL                     // no Presentation parameters
  79                                       );
  80
  81     wxCHECK_MSG(m_hWnd, FALSE, wxT("Failed to create static ctrl"));
  82
  83     SubclassWin(m_hWnd);
  84     wxControl::SetFont(pParent->GetFont());
  85     SetSize(nX, nY, nWidth, nHeight);
  86     return FALSE;
  87 } // end of wxStaticText::Create
  88
  89 wxSize wxStaticText::DoGetBestSize() const
  90 {
  91     wxString                        sText(wxGetWindowText(GetHWND()));
  92     int                             nWidthTextMax = 0;
  93     int                             nWidthLine = 0;
  94     int                             nHeightTextTotal = 0;
  95     int                             nHeightLineDefault = 0;
  96     int                             nHeightLine = 0;
  97     wxString                        sCurLine;
  98
  99     for ( const wxChar *pc = sText; ; pc++ )
 100     {
 101         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 102         {
 103             if (!sCurLine )
 104             {
 105                 //
 106                 // We can't use GetTextExtent - it will return 0 for both width
 107                 // and height and an empty line should count in height
 108                 // calculation
 109                 //
 110                 if (!nHeightLineDefault)
 111                     nHeightLineDefault = nHeightLine;
 112                 if (!nHeightLineDefault)
 113                     GetTextExtent(_T("W"), NULL, &nHeightLineDefault);
 114                 nHeightTextTotal += nHeightLineDefault;
 115             }
 116             else
 117             {
 118                 GetTextExtent( sCurLine
 119                               ,&nWidthLine
 120                               ,&nHeightLine
 121                              );
 122                 if (nWidthLine > nWidthTextMax)
 123                     nWidthTextMax = nWidthLine;
 124                 nHeightTextTotal += nHeightLine;
 125             }
 126
 127             if ( *pc == wxT('\n') )
 128             {
 129                 sCurLine.Empty();
 130             }
 131             else
 132             {
 133                break;
 134             }
 135         }
 136         else
 137         {
 138             sCurLine += *pc;
 139         }
 140     }
 141     return wxSize( nWidthTextMax
 142                   ,nHeightTextTotal
 143                  );
 144 } // end of wxStaticText::DoGetBestSize
 145
 146 void wxStaticText::SetLabel(
 147   const wxString&                   rsLabel
 148 )
 149 {
 150     ::WinSetWindowText(GetHwnd(), rsLabel.c_str());
 151
 152     //
 153     // Adjust the size of the window to fit to the label unless autoresizing is
 154     // disabled
 155     //
 156     if (!(GetWindowStyle() & wxST_NO_AUTORESIZE))
 157     {
 158         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 159     }
 160     DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 161 } // end of wxStaticText::SetLabel
 162
 163 bool wxStaticText::SetFont(
 164   const wxFont&                     rFont
 165 )
 166 {
 167     bool                            bRet = wxControl::SetFont(rFont);
 168
 169     //
 170     // Adjust the size of the window to fit to the label unless autoresizing is
 171     // disabled
 172     //
 173     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 174     {
 175         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 176     }
 177     return bRet;
 178 } // end of wxStaticText::SetFont
 179
 180 MRESULT wxStaticText::OS2WindowProc(
 181   WXUINT                            uMsg
 182 , WXWPARAM                          wParam
 183 , WXLPARAM                          lParam
 184 )
 185 {
 186     return wxWindow::OS2WindowProc( uMsg
 187                                    ,wParam
 188                                    ,lParam
 189                                   );
 190 } // end of wxStaticText::OS2WindowProc
 191
 192