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 static WXFARPROC fnWndProcSpinCtrl = (WXFARPROC)NULL;
  36
  37 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent)
  38
  39 #include "wx/os2/private.h"
  40
  41 // ============================================================================
  42 // implementation
  43 // ============================================================================
  44
  45 // ----------------------------------------------------------------------------
  46 // wxWin macros
  47 // ----------------------------------------------------------------------------
  48
  49 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  50
  51 bool wxSpinButton::Create(
  52   wxWindow*                         pParent
  53 , wxWindowID                        vId
  54 , const wxPoint&                    rPos
  55 , const wxSize&                     rSize
  56 , long                              lStyle
  57 , const wxString&                   rsName
  58 )
  59 {
  60     int                             nX      = rPos.x;
  61     int                             nY      = rPos.y;
  62     int                             nWidth  = rSize.x;
  63     int                             nHeight = rSize.y;
  64     SWP                             vSwp;
  65
  66     m_min = 0;
  67     m_max = 100;
  68     if (vId == -1)
  69         m_windowId = NewControlId();
  70     else
  71         m_windowId = vId;
  72     m_backgroundColour = pParent->GetBackgroundColour();
  73     m_foregroundColour = pParent->GetForegroundColour();
  74     SetName(rsName);
  75     SetParent(pParent);
  76     m_windowStyle      = lStyle;
  77
  78     //
  79     // Get the right size for the control
  80     //
  81     if (nWidth <= 0 || nHeight <= 0 )
  82     {
  83         wxSize                      vSize = DoGetBestSize();
  84
  85         if (nWidth <= 0 )
  86             nWidth = vSize.x;
  87         if (nHeight <= 0 )
  88             nHeight = vSize.y;
  89     }
  90     if (nX < 0 )
  91         nX = 0;
  92     if (nY < 0 )
  93         nY = 0;
  94
  95     long                            lSstyle = 0L;
  96
  97     lSstyle = WS_VISIBLE      |
  98               WS_TABSTOP      |
  99               SPBS_MASTER     | // We use only single field spin buttons
 100               SPBS_NUMERICONLY; // We default to numeric data
 101
 102     if (m_windowStyle & wxCLIP_SIBLINGS )
 103         lSstyle |= WS_CLIPSIBLINGS;
 104
 105     SPBCDATA                        vCtrlData;
 106
 107     vCtrlData.cbSize = sizeof(SPBCDATA);
 108     vCtrlData.ulTextLimit = 10L;
 109     vCtrlData.lLowerLimit = 0L;
 110     vCtrlData.lUpperLimit = 100L;
 111     vCtrlData.idMasterSpb = vId;
 112     vCtrlData.pHWXCtlData = NULL;
 113
 114     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 115                                        ,WC_SPINBUTTON
 116                                        ,(PSZ)NULL
 117                                        ,lSstyle
 118                                        ,0L, 0L, 0L, 0L
 119                                        ,GetWinHwnd(pParent)
 120                                        ,HWND_TOP
 121                                        ,(HMENU)vId
 122                                        ,(PVOID)&vCtrlData
 123                                        ,NULL
 124                                       );
 125     if (m_hWnd == 0)
 126     {
 127         return FALSE;
 128     }
 129     if(pParent)
 130         pParent->AddChild((wxSpinButton *)this);
 131
 132     ::WinQueryWindowPos(m_hWnd, &vSwp);
 133     SetXComp(vSwp.x);
 134     SetYComp(vSwp.y);
 135     SetFont(pParent->GetFont());
 136     //
 137     // For OS/2 we want to hide the text portion so we can substitute an
 138     // independent text ctrl in its place.  10 device units does this
 139     //
 140     SetSize( nX
 141             ,nY
 142             ,10L
 143             ,nHeight
 144            );
 145     wxAssociateWinWithHandle( m_hWnd
 146                              ,(wxWindowOS2*)this
 147                             );
 148     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 149     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 150     return TRUE;
 151 } // end of wxSpinButton::Create
 152
 153 wxSpinButton::~wxSpinButton()
 154 {
 155 } // end of wxSpinButton::~wxSpinButton
 156
 157 // ----------------------------------------------------------------------------
 158 // size calculation
 159 // ----------------------------------------------------------------------------
 160
 161 wxSize wxSpinButton::DoGetBestSize() const
 162 {
 163     //
 164     // OS/2 PM does not really have system metrics so we'll just set our best guess
 165     // Also we have no horizontal spin buttons.
 166     //
 167     return (wxSize(10,20));
 168 } // end of wxSpinButton::DoGetBestSize
 169
 170 // ----------------------------------------------------------------------------
 171 // Attributes
 172 // ----------------------------------------------------------------------------
 173
 174 int wxSpinButton::GetValue() const
 175 {
 176     int                             nVal = 0;
 177     long                            lVal = 0L;
 178     char                            zVal[10];
 179
 180     ::WinSendMsg( GetHwnd()
 181                  ,SPBM_QUERYVALUE
 182                  ,MPFROMP(zVal)
 183                  ,MPFROM2SHORT( (USHORT)10
 184                                ,SPBQ_UPDATEIFVALID
 185                               )
 186                 );
 187     lVal = atol(zVal);
 188     return ((int)lVal);
 189 } // end of wxSpinButton::GetValue
 190
 191 bool wxSpinButton::OS2OnScroll(
 192   int                               nOrientation
 193 , WXWORD                            wParam
 194 , WXWORD                            wPos
 195 , WXHWND                            hControl
 196 )
 197 {
 198     wxCHECK_MSG(hControl, FALSE, wxT("scrolling what?") )
 199
 200     wxSpinEvent                     vEvent( wxEVT_SCROLL_THUMBTRACK
 201                                            ,m_windowId
 202                                           );
 203     int                             nVal = (int)wPos;    // cast is important for negative values!
 204
 205     vEvent.SetPosition(nVal);
 206     vEvent.SetEventObject(this);
 207     return(GetEventHandler()->ProcessEvent(vEvent));
 208 } // end of wxSpinButton::OS2OnScroll
 209
 210 bool wxSpinButton::OS2Command(
 211   WXUINT                            uCmd
 212 , WXWORD                            wId
 213 )
 214 {
 215     return FALSE;
 216 } // end of wxSpinButton::OS2Command
 217
 218 void wxSpinButton::SetRange(
 219   int                               nMinVal
 220 , int                               nMaxVal
 221 )
 222 {
 223     m_min = nMinVal;
 224     m_max = nMaxVal;
 225
 226     ::WinSendMsg( GetHwnd()
 227                  ,SPBM_SETLIMITS
 228                  ,MPFROMLONG(nMaxVal)
 229                  ,MPFROMLONG(nMinVal)
 230                 );
 231 } // end of wxSpinButton::SetRange
 232
 233 void wxSpinButton::SetValue(
 234   int                               nValue
 235 )
 236 {
 237     ::WinSendMsg(GetHwnd(), SPBM_SETCURRENTVALUE, MPFROMLONG(nValue), MPARAM(0));
 238 } // end of wxSpinButton::SetValue
 239
 240 #endif //wxUSE_SPINBTN