src/os2/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/15/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "spinbutt.h"
  14     #pragma implementation "spinbutbase.h"
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/wx.h"
  23 #endif
  24 #if wxUSE_SPINBTN
  25
  26 // Can't resolve reference to CreateUpDownControl in
  27 // TWIN32, but could probably use normal CreateWindow instead.
  28
  29
  30 #include "wx/spinbutt.h"
  31
  32 extern void  wxAssociateWinWithHandle( HWND         hWnd
  33                                       ,wxWindowOS2* pWin
  34                                      );
  35
  36 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent)
  37
  38 #include "wx/os2/private.h"
  39
  40 // ============================================================================
  41 // implementation
  42 // ============================================================================
  43
  44 // ----------------------------------------------------------------------------
  45 // wxWin macros
  46 // ----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  49
  50 bool wxSpinButton::Create(
  51   wxWindow*                         pParent
  52 , wxWindowID                        vId
  53 , const wxPoint&                    rPos
  54 , const wxSize&                     rSize
  55 , long                              lStyle
  56 , const wxString&                   rsName
  57 )
  58 {
  59     int                             nX      = rPos.x;
  60     int                             nY      = rPos.y;
  61     int                             nWidth  = rSize.x;
  62     int                             nHeight = rSize.y;
  63     SWP                             vSwp;
  64
  65     m_min = 0;
  66     m_max = 100;
  67     if (vId == -1)
  68         m_windowId = NewControlId();
  69     else
  70         m_windowId = vId;
  71     m_backgroundColour = pParent->GetBackgroundColour();
  72     m_foregroundColour = pParent->GetForegroundColour();
  73     SetName(rsName);
  74     SetParent(pParent);
  75     m_windowStyle      = lStyle;
  76
  77     //
  78     // Get the right size for the control
  79     //
  80     if (nWidth <= 0 || nHeight <= 0 )
  81     {
  82         wxSize                      vSize = DoGetBestSize();
  83
  84         if (nWidth <= 0 )
  85             nWidth = vSize.x;
  86         if (nHeight <= 0 )
  87             nHeight = vSize.y;
  88     }
  89     if (nX < 0 )
  90         nX = 0;
  91     if (nY < 0 )
  92         nY = 0;
  93
  94     long                            lSstyle = 0L;
  95
  96     lSstyle = WS_VISIBLE      |
  97               WS_TABSTOP      |
  98               SPBS_MASTER     | // We use only single field spin buttons
  99               SPBS_NUMERICONLY; // We default to numeric data
 100
 101     if (m_windowStyle & wxCLIP_SIBLINGS )
 102         lSstyle |= WS_CLIPSIBLINGS;
 103
 104     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 105                                        ,WC_SPINBUTTON
 106                                        ,(PSZ)NULL
 107                                        ,lSstyle
 108                                        ,0L, 0L, 0L, 0L
 109                                        ,GetWinHwnd(pParent)
 110                                        ,HWND_TOP
 111                                        ,(HMENU)vId
 112                                        ,NULL
 113                                        ,NULL
 114                                       );
 115     if (m_hWnd == 0)
 116     {
 117         return FALSE;
 118     }
 119     SetRange(m_min, m_max);
 120     if(pParent)
 121         pParent->AddChild((wxSpinButton *)this);
 122
 123     ::WinQueryWindowPos(m_hWnd, &vSwp);
 124     SetXComp(vSwp.x);
 125     SetYComp(vSwp.y);
 126     wxFont*                          pTextFont = new wxFont( 10
 127                                                             ,wxMODERN
 128                                                             ,wxNORMAL
 129                                                             ,wxNORMAL
 130                                                            );
 131     SetFont(*pTextFont);
 132     //
 133     // For OS/2 we want to hide the text portion so we can substitute an
 134     // independent text ctrl in its place.  10 device units does this
 135     //
 136     SetSize( nX
 137             ,nY
 138             ,10L
 139             ,nHeight
 140            );
 141     wxAssociateWinWithHandle( m_hWnd
 142                              ,(wxWindowOS2*)this
 143                             );
 144 #if 0
 145     // FIXME:
 146     // Apparently, this does not work, as it crashes in setvalue/setrange calls
 147     // What's it supposed to do anyway?
 148     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 149     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 150 #endif
 151     delete pTextFont;
 152     return TRUE;
 153 } // end of wxSpinButton::Create
 154
 155 wxSpinButton::~wxSpinButton()
 156 {
 157 } // end of wxSpinButton::~wxSpinButton
 158
 159 // ----------------------------------------------------------------------------
 160 // size calculation
 161 // ----------------------------------------------------------------------------
 162
 163 wxSize wxSpinButton::DoGetBestSize() const
 164 {
 165     //
 166     // OS/2 PM does not really have system metrics so we'll just set  it to
 167     // 24x20 which is the size of the buttons and the borders.
 168     // Also we have no horizontal spin buttons.
 169     //
 170     wxSize best(24,20);
 171     return best;
 172 } // end of wxSpinButton::DoGetBestSize
 173
 174 // ----------------------------------------------------------------------------
 175 // Attributes
 176 // ----------------------------------------------------------------------------
 177
 178 int wxSpinButton::GetValue() const
 179 {
 180     long                            lVal = 0L;
 181     char                            zVal[10];
 182
 183     ::WinSendMsg( GetHwnd()
 184                  ,SPBM_QUERYVALUE
 185                  ,MPFROMP(zVal)
 186                  ,MPFROM2SHORT( (USHORT)10
 187                                ,SPBQ_UPDATEIFVALID
 188                               )
 189                 );
 190     lVal = atol(zVal);
 191     return ((int)lVal);
 192 } // end of wxSpinButton::GetValue
 193
 194 bool wxSpinButton::OS2OnScroll( int    WXUNUSED(nOrientation),
 195                                 WXWORD WXUNUSED(wParam),
 196                                 WXWORD wPos,
 197                                 WXHWND hControl )
 198 {
 199     wxCHECK_MSG(hControl, false, wxT("scrolling what?") )
 200
 201     wxSpinEvent vEvent( wxEVT_SCROLL_THUMBTRACK, m_windowId );
 202     int nVal = (int)wPos;    // cast is important for negative values!
 203
 204     vEvent.SetPosition(nVal);
 205     vEvent.SetEventObject(this);
 206     return(GetEventHandler()->ProcessEvent(vEvent));
 207 } // end of wxSpinButton::OS2OnScroll
 208
 209 bool wxSpinButton::OS2Command( WXUINT WXUNUSED(uCmd),
 210                                WXWORD WXUNUSED(wId) )
 211 {
 212     return false;
 213 } // end of wxSpinButton::OS2Command
 214
 215 void wxSpinButton::SetRange(
 216   int                               nMinVal
 217 , int                               nMaxVal
 218 )
 219 {
 220     m_min = nMinVal;
 221     m_max = nMaxVal;
 222
 223     ::WinSendMsg( GetHwnd()
 224                  ,SPBM_SETLIMITS
 225                  ,MPFROMLONG(nMaxVal)
 226                  ,MPFROMLONG(nMinVal)
 227                 );
 228 } // end of wxSpinButton::SetRange
 229
 230 void wxSpinButton::SetValue(
 231   int                               nValue
 232 )
 233 {
 234     ::WinSendMsg(GetHwnd(), SPBM_SETCURRENTVALUE, MPFROMLONG(nValue), MPARAM(0));
 235 } // end of wxSpinButton::SetValue
 236
 237 #endif //wxUSE_SPINBTN