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     //
  71     // If the parent is a scrolled window the controls must
  72     // have this style or they will overlap the scrollbars
  73     //
  74     if (pParent)
  75         if (pParent->IsKindOf(CLASSINFO(wxScrolledWindow)) ||
  76             pParent->IsKindOf(CLASSINFO(wxGenericScrolledWindow)))
  77             lSstyle |= WS_CLIPSIBLINGS;
  78
  79     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
  80                                        ,WC_STATIC                // Window class
  81                                        ,(PSZ)rsLabel.c_str()     // Initial Text
  82                                        ,(ULONG)lSstyle           // Style flags
  83                                        ,0L, 0L, 0L, 0L           // Origin -- 0 size
  84                                        ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
  85                                        ,HWND_TOP                 // initial z position
  86                                        ,(ULONG)m_windowId        // Window identifier
  87                                        ,NULL                     // no control data
  88                                        ,NULL                     // no Presentation parameters
  89                                       );
  90
  91     wxCHECK_MSG(m_hWnd, FALSE, wxT("Failed to create static ctrl"));
  92
  93     wxColour                        vColour;
  94
  95     vColour.Set(wxString("BLACK"));
  96
  97     LONG                            lColor = (LONG)vColour.GetPixel();
  98
  99     ::WinSetPresParam( m_hWnd
 100                       ,PP_FOREGROUNDCOLOR
 101                       ,sizeof(LONG)
 102                       ,(PVOID)&lColor
 103                      );
 104     lColor = (LONG)m_backgroundColour.GetPixel();
 105
 106     ::WinSetPresParam( m_hWnd
 107                       ,PP_BACKGROUNDCOLOR
 108                       ,sizeof(LONG)
 109                       ,(PVOID)&lColor
 110                      );
 111
 112     SubclassWin(m_hWnd);
 113     wxControl::SetFont(*wxSMALL_FONT);
 114     SetSize( nX
 115             ,nY
 116             ,nWidth
 117             ,nHeight
 118            );
 119     return TRUE;
 120 } // end of wxStaticText::Create
 121
 122 wxSize wxStaticText::DoGetBestSize() const
 123 {
 124     wxString                        sText(wxGetWindowText(GetHWND()));
 125     int                             nWidthTextMax = 0;
 126     int                             nWidthLine = 0;
 127     int                             nHeightTextTotal = 0;
 128     int                             nHeightLineDefault = 0;
 129     int                             nHeightLine = 0;
 130     wxString                        sCurLine;
 131
 132     for (const wxChar *pc = sText; ; pc++)
 133     {
 134         if ( *pc == wxT('\n') || *pc == wxT('\0') )
 135         {
 136             if (!sCurLine )
 137             {
 138                 //
 139                 // We can't use GetTextExtent - it will return 0 for both width
 140                 // and height and an empty line should count in height
 141                 // calculation
 142                 //
 143                 if (!nHeightLineDefault)
 144                     nHeightLineDefault = nHeightLine;
 145                 if (!nHeightLineDefault)
 146                     GetTextExtent(_T("W"), NULL, &nHeightLineDefault);
 147                 nHeightTextTotal += nHeightLineDefault;
 148             }
 149             else
 150             {
 151                 GetTextExtent( sCurLine
 152                               ,&nWidthLine
 153                               ,&nHeightLine
 154                              );
 155                 if (nWidthLine > nWidthTextMax)
 156                     nWidthTextMax = nWidthLine;
 157                 nHeightTextTotal += nHeightLine;
 158             }
 159
 160             if ( *pc == wxT('\n') )
 161             {
 162                 sCurLine.Empty();
 163             }
 164             else
 165             {
 166                break;
 167             }
 168         }
 169         else
 170         {
 171             sCurLine += *pc;
 172         }
 173     }
 174     return wxSize( nWidthTextMax
 175                   ,nHeightTextTotal
 176                  );
 177 } // end of wxStaticText::DoGetBestSize
 178
 179 void wxStaticText::DoSetSize(
 180   int                               nX
 181 , int                               nY
 182 , int                               nWidth
 183 , int                               nHeight
 184 , int                               nSizeFlags
 185 )
 186 {
 187     //
 188     // We need to refresh the window after changing its size as the standard
 189     // control doesn't always update itself properly.
 190     //
 191     wxStaticTextBase::DoSetSize( nX
 192                                 ,nY
 193                                 ,nWidth
 194                                 ,nHeight
 195                                 ,nSizeFlags
 196                                );
 197     Refresh();
 198 } // end of wxStaticText::DoSetSize
 199
 200 bool wxStaticText::SetFont(
 201   const wxFont&                     rFont
 202 )
 203 {
 204     bool                            bRet = wxControl::SetFont(rFont);
 205
 206     //
 207     // Adjust the size of the window to fit to the label unless autoresizing is
 208     // disabled
 209     //
 210     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 211     {
 212         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 213     }
 214     return bRet;
 215 } // end of wxStaticText::SetFont
 216
 217 void wxStaticText::SetLabel(
 218   const wxString&                   rsLabel
 219 )
 220 {
 221     ::WinSetWindowText(GetHwnd(), rsLabel.c_str());
 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     DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 232 } // end of wxStaticText::SetLabel
 233
 234 MRESULT wxStaticText::OS2WindowProc(
 235   WXUINT                            uMsg
 236 , WXWPARAM                          wParam
 237 , WXLPARAM                          lParam
 238 )
 239 {
 240     return wxWindow::OS2WindowProc( uMsg
 241                                    ,wParam
 242                                    ,lParam
 243                                   );
 244 } // end of wxStaticText::OS2WindowProc