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     wxFont*                          pTextFont = new wxFont( 10
 136                                                             ,wxMODERN
 137                                                             ,wxNORMAL
 138                                                             ,wxNORMAL
 139                                                            );
 140     SetFont(*pTextFont);
 141     //
 142     // For OS/2 we want to hide the text portion so we can substitute an
 143     // independent text ctrl in its place.  10 device units does this
 144     //
 145     SetSize( nX
 146             ,nY
 147             ,10L
 148             ,nHeight
 149            );
 150     wxAssociateWinWithHandle( m_hWnd
 151                              ,(wxWindowOS2*)this
 152                             );
 153     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 154     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 155     delete pTextFont;
 156     return TRUE;
 157 } // end of wxSpinButton::Create
 158
 159 wxSpinButton::~wxSpinButton()
 160 {
 161 } // end of wxSpinButton::~wxSpinButton
 162
 163 // ----------------------------------------------------------------------------
 164 // size calculation
 165 // ----------------------------------------------------------------------------
 166
 167 wxSize wxSpinButton::DoGetBestSize() const
 168 {
 169     //
 170     // OS/2 PM does not really have system metrics so we'll just set our best guess
 171     // Also we have no horizontal spin buttons.
 172     //
 173     return (wxSize(10,20));
 174 } // end of wxSpinButton::DoGetBestSize
 175
 176 // ----------------------------------------------------------------------------
 177 // Attributes
 178 // ----------------------------------------------------------------------------
 179
 180 int wxSpinButton::GetValue() const
 181 {
 182     int                             nVal = 0;
 183     long                            lVal = 0L;
 184     char                            zVal[10];
 185
 186     ::WinSendMsg( GetHwnd()
 187                  ,SPBM_QUERYVALUE
 188                  ,MPFROMP(zVal)
 189                  ,MPFROM2SHORT( (USHORT)10
 190                                ,SPBQ_UPDATEIFVALID
 191                               )
 192                 );
 193     lVal = atol(zVal);
 194     return ((int)lVal);
 195 } // end of wxSpinButton::GetValue
 196
 197 bool wxSpinButton::OS2OnScroll(
 198   int                               nOrientation
 199 , WXWORD                            wParam
 200 , WXWORD                            wPos
 201 , WXHWND                            hControl
 202 )
 203 {
 204     wxCHECK_MSG(hControl, FALSE, wxT("scrolling what?") )
 205
 206     wxSpinEvent                     vEvent( wxEVT_SCROLL_THUMBTRACK
 207                                            ,m_windowId
 208                                           );
 209     int                             nVal = (int)wPos;    // cast is important for negative values!
 210
 211     vEvent.SetPosition(nVal);
 212     vEvent.SetEventObject(this);
 213     return(GetEventHandler()->ProcessEvent(vEvent));
 214 } // end of wxSpinButton::OS2OnScroll
 215
 216 bool wxSpinButton::OS2Command(
 217   WXUINT                            uCmd
 218 , WXWORD                            wId
 219 )
 220 {
 221     return FALSE;
 222 } // end of wxSpinButton::OS2Command
 223
 224 void wxSpinButton::SetRange(
 225   int                               nMinVal
 226 , int                               nMaxVal
 227 )
 228 {
 229     m_min = nMinVal;
 230     m_max = nMaxVal;
 231
 232     ::WinSendMsg( GetHwnd()
 233                  ,SPBM_SETLIMITS
 234                  ,MPFROMLONG(nMaxVal)
 235                  ,MPFROMLONG(nMinVal)
 236                 );
 237 } // end of wxSpinButton::SetRange
 238
 239 void wxSpinButton::SetValue(
 240   int                               nValue
 241 )
 242 {
 243     ::WinSendMsg(GetHwnd(), SPBM_SETCURRENTVALUE, MPFROMLONG(nValue), MPARAM(0));
 244 } // end of wxSpinButton::SetValue
 245
 246 #endif //wxUSE_SPINBTN