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
  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     SPBCDATA                        vCtrlData;
 105
 106     vCtrlData.cbSize = sizeof(SPBCDATA);
 107     vCtrlData.ulTextLimit = 10L;
 108     vCtrlData.lLowerLimit = 0L;
 109     vCtrlData.lUpperLimit = 100L;
 110     vCtrlData.idMasterSpb = vId;
 111     vCtrlData.pHWXCtlData = NULL;
 112
 113     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 114                                        ,WC_SPINBUTTON
 115                                        ,(PSZ)NULL
 116                                        ,lSstyle
 117                                        ,0L, 0L, 0L, 0L
 118                                        ,GetWinHwnd(pParent)
 119                                        ,HWND_TOP
 120                                        ,(HMENU)vId
 121                                        ,(PVOID)&vCtrlData
 122                                        ,NULL
 123                                       );
 124     if (m_hWnd == 0)
 125     {
 126         return FALSE;
 127     }
 128     if(pParent)
 129         pParent->AddChild((wxSpinButton *)this);
 130
 131     SetFont(pParent->GetFont());
 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     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 145     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 146     return TRUE;
 147 } // end of wxSpinButton::Create
 148
 149 wxSpinButton::~wxSpinButton()
 150 {
 151 } // end of wxSpinButton::~wxSpinButton
 152
 153 // ----------------------------------------------------------------------------
 154 // size calculation
 155 // ----------------------------------------------------------------------------
 156
 157 wxSize wxSpinButton::DoGetBestSize() const
 158 {
 159     //
 160     // OS/2 PM does not really have system metrics so we'll just set our best guess
 161     // Also we have no horizontal spin buttons.
 162     //
 163     return (wxSize(10,20));
 164 } // end of wxSpinButton::DoGetBestSize
 165
 166 // ----------------------------------------------------------------------------
 167 // Attributes
 168 // ----------------------------------------------------------------------------
 169
 170 int wxSpinButton::GetValue() const
 171 {
 172     int                             nVal = 0;
 173     long                            lVal = 0L;
 174     char                            zVal[10];
 175
 176     ::WinSendMsg( GetHwnd()
 177                  ,SPBM_QUERYVALUE
 178                  ,MPFROMP(zVal)
 179                  ,MPFROM2SHORT( (USHORT)10
 180                                ,SPBQ_UPDATEIFVALID
 181                               )
 182                 );
 183     lVal = atol(zVal);
 184     return ((int)lVal);
 185 } // end of wxSpinButton::GetValue
 186
 187 bool wxSpinButton::OS2OnScroll(
 188   int                               nOrientation
 189 , WXWORD                            wParam
 190 , WXWORD                            wPos
 191 , WXHWND                            hControl
 192 )
 193 {
 194     wxCHECK_MSG(hControl, FALSE, wxT("scrolling what?") )
 195
 196     wxSpinEvent                     vEvent( wxEVT_SCROLL_THUMBTRACK
 197                                            ,m_windowId
 198                                           );
 199     int                             nVal = (int)wPos;    // cast is important for negative values!
 200
 201     vEvent.SetPosition(nVal);
 202     vEvent.SetEventObject(this);
 203     return(GetEventHandler()->ProcessEvent(vEvent));
 204 } // end of wxSpinButton::OS2OnScroll
 205
 206 bool wxSpinButton::OS2Command(
 207   WXUINT                            uCmd
 208 , WXWORD                            wId
 209 )
 210 {
 211     return FALSE;
 212 } // end of wxSpinButton::OS2Command
 213
 214 void wxSpinButton::SetRange(
 215   int                               nMinVal
 216 , int                               nMaxVal
 217 )
 218 {
 219     m_min = nMinVal;
 220     m_max = nMaxVal;
 221
 222     ::WinSendMsg( GetHwnd()
 223                  ,SPBM_SETLIMITS
 224                  ,MPFROMLONG(nMaxVal)
 225                  ,MPFROMLONG(nMinVal)
 226                 );
 227 } // end of wxSpinButton::SetRange
 228
 229 void wxSpinButton::SetValue(
 230   int                               nValue
 231 )
 232 {
 233     ::WinSendMsg(GetHwnd(), SPBM_SETCURRENTVALUE, MPFROMLONG(nValue), MPARAM(0));
 234 } // end of wxSpinButton::SetValue
 235
 236 #endif //wxUSE_SPINBTN