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     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 106                                        ,WC_SPINBUTTON
 107                                        ,(PSZ)NULL
 108                                        ,lSstyle
 109                                        ,0L, 0L, 0L, 0L
 110                                        ,GetWinHwnd(pParent)
 111                                        ,HWND_TOP
 112                                        ,(HMENU)vId
 113                                        ,NULL
 114                                        ,NULL
 115                                       );
 116     if (m_hWnd == 0)
 117     {
 118         return FALSE;
 119     }
 120     SetRange(m_min, m_max);
 121     if(pParent)
 122         pParent->AddChild((wxSpinButton *)this);
 123
 124     ::WinQueryWindowPos(m_hWnd, &vSwp);
 125     SetXComp(vSwp.x);
 126     SetYComp(vSwp.y);
 127     wxFont*                          pTextFont = new wxFont( 10
 128                                                             ,wxMODERN
 129                                                             ,wxNORMAL
 130                                                             ,wxNORMAL
 131                                                            );
 132     SetFont(*pTextFont);
 133     //
 134     // For OS/2 we want to hide the text portion so we can substitute an
 135     // independent text ctrl in its place.  10 device units does this
 136     //
 137     SetSize( nX
 138             ,nY
 139             ,10L
 140             ,nHeight
 141            );
 142     wxAssociateWinWithHandle( m_hWnd
 143                              ,(wxWindowOS2*)this
 144                             );
 145 #if 0
 146     // FIXME:
 147     // Apparently, this does not work, as it crashes in setvalue/setrange calls
 148     // What's it supposed to do anyway?
 149     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 150     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 151 #endif
 152     delete pTextFont;
 153     return TRUE;
 154 } // end of wxSpinButton::Create
 155
 156 wxSpinButton::~wxSpinButton()
 157 {
 158 } // end of wxSpinButton::~wxSpinButton
 159
 160 // ----------------------------------------------------------------------------
 161 // size calculation
 162 // ----------------------------------------------------------------------------
 163
 164 wxSize wxSpinButton::DoGetBestSize() const
 165 {
 166     //
 167     // OS/2 PM does not really have system metrics so we'll just set  it to
 168     // 24x20 which is the size of the buttons and the borders.
 169     // Also we have no horizontal spin buttons.
 170     //
 171     return (wxSize(24,20));
 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(
 195   int                               nOrientation
 196 , WXWORD                            wParam
 197 , WXWORD                            wPos
 198 , WXHWND                            hControl
 199 )
 200 {
 201     wxCHECK_MSG(hControl, FALSE, wxT("scrolling what?") )
 202
 203     wxSpinEvent                     vEvent( wxEVT_SCROLL_THUMBTRACK
 204                                            ,m_windowId
 205                                           );
 206     int                             nVal = (int)wPos;    // cast is important for negative values!
 207
 208     vEvent.SetPosition(nVal);
 209     vEvent.SetEventObject(this);
 210     return(GetEventHandler()->ProcessEvent(vEvent));
 211 } // end of wxSpinButton::OS2OnScroll
 212
 213 bool wxSpinButton::OS2Command(
 214   WXUINT                            uCmd
 215 , WXWORD                            wId
 216 )
 217 {
 218     return FALSE;
 219 } // end of wxSpinButton::OS2Command
 220
 221 void wxSpinButton::SetRange(
 222   int                               nMinVal
 223 , int                               nMaxVal
 224 )
 225 {
 226     m_min = nMinVal;
 227     m_max = nMaxVal;
 228
 229     ::WinSendMsg( GetHwnd()
 230                  ,SPBM_SETLIMITS
 231                  ,MPFROMLONG(nMaxVal)
 232                  ,MPFROMLONG(nMinVal)
 233                 );
 234 } // end of wxSpinButton::SetRange
 235
 236 void wxSpinButton::SetValue(
 237   int                               nValue
 238 )
 239 {
 240     ::WinSendMsg(GetHwnd(), SPBM_SETCURRENTVALUE, MPFROMLONG(nValue), MPARAM(0));
 241 } // end of wxSpinButton::SetValue
 242
 243 #endif //wxUSE_SPINBTN