src/os2/spinctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/spinctrl.cpp
   3 // Purpose:     wxSpinCtrl class implementation for OS/2
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/wx.h"
  26 #endif
  27
  28 #if wxUSE_SPINCTRL
  29
  30 #include "wx/spinctrl.h"
  31 #include "wx/os2/private.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // macros
  35 // ----------------------------------------------------------------------------
  36
  37 extern void  wxAssociateWinWithHandle( HWND         hWnd
  38                                       ,wxWindowOS2* pWin
  39                                      );
  40 static WXFARPROC fnWndProcSpinCtrl = (WXFARPROC)NULL;
  41 wxArraySpins                        wxSpinCtrl::m_svAllSpins;
  42
  43 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
  44
  45 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
  46     EVT_CHAR(wxSpinCtrl::OnChar)
  47     EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
  48     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
  49 END_EVENT_TABLE()
  50 // ----------------------------------------------------------------------------
  51 // constants
  52 // ----------------------------------------------------------------------------
  53
  54 // the margin between the up-down control and its buddy
  55 static const int MARGIN_BETWEEN = 5;
  56
  57 // ============================================================================
  58 // implementation
  59 // ============================================================================
  60 MRESULT EXPENTRY wxSpinCtrlWndProc(
  61   HWND                              hWnd
  62 , UINT                              uMessage
  63 , MPARAM                            wParam
  64 , MPARAM                            lParam
  65 )
  66 {
  67     wxSpinCtrl*                    pSpin = (wxSpinCtrl *)::WinQueryWindowULong( hWnd
  68                                                                                ,QWL_USER
  69                                                                               );
  70
  71     //
  72     // Forward some messages (the key ones only so far) to the spin ctrl
  73     //
  74     switch (uMessage )
  75     {
  76         case WM_CHAR:
  77             pSpin->OS2WindowProc( uMessage
  78                                  ,wParam
  79                                  ,lParam
  80                                 );
  81
  82             //
  83             // The control may have been deleted at this point, so check.
  84             //
  85             if (!(::WinIsWindow(vHabmain, hWnd) && ((wxSpinCtrl *)::WinQueryWindowULong( hWnd
  86                                                                                         ,QWL_USER
  87                                                                                        )
  88                                                    ) == pSpin))
  89                 return 0;
  90             break;
  91
  92     }
  93     return (fnWndProcSpinCtrl( hWnd
  94                               ,(ULONG)uMessage
  95                               ,(MPARAM)wParam
  96                               ,(MPARAM)lParam
  97                              )
  98            );
  99 } // end of wxSpinCtrlWndProc
 100
 101 wxSpinCtrl::~wxSpinCtrl()
 102 {
 103     m_svAllSpins.Remove(this);
 104
 105     // This removes spurious memory leak reporting
 106     if (m_svAllSpins.GetCount() == 0)
 107         m_svAllSpins.Clear();
 108 } // end of wxSpinCtrl::~wxSpinCtrl
 109
 110 // ----------------------------------------------------------------------------
 111 // construction
 112 // ----------------------------------------------------------------------------
 113
 114 bool wxSpinCtrl::Create( wxWindow*       pParent,
 115                          wxWindowID      vId,
 116                          const wxString& WXUNUSED(rsValue),
 117                          const wxPoint&  rPos,
 118                          const wxSize&   rSize,
 119                          long            lStyle,
 120                          int             nMin,
 121                          int             nMax,
 122                          int             nInitial,
 123                          const wxString& rsName )
 124 {
 125     if (vId == wxID_ANY)
 126         m_windowId = NewControlId();
 127     else
 128         m_windowId = vId;
 129     m_backgroundColour = pParent->GetBackgroundColour();
 130     m_foregroundColour = pParent->GetForegroundColour();
 131     SetName(rsName);
 132     SetParent(pParent);
 133     m_windowStyle      = lStyle;
 134
 135     int lSstyle = 0L;
 136
 137     lSstyle = WS_VISIBLE      |
 138               WS_TABSTOP      |
 139               SPBS_MASTER     | // We use only single field spin buttons
 140               SPBS_NUMERICONLY; // We default to numeric data
 141
 142     if (m_windowStyle & wxCLIP_SIBLINGS )
 143         lSstyle |= WS_CLIPSIBLINGS;
 144
 145     SPBCDATA                        vCtrlData;
 146
 147     vCtrlData.cbSize = sizeof(SPBCDATA);
 148     vCtrlData.ulTextLimit = 10L;
 149     vCtrlData.lLowerLimit = 0L;
 150     vCtrlData.lUpperLimit = 100L;
 151     vCtrlData.idMasterSpb = vId;
 152     vCtrlData.pHWXCtlData = NULL;
 153
 154     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 155                                        ,WC_SPINBUTTON
 156                                        ,(PSZ)NULL
 157                                        ,lSstyle
 158                                        ,0L, 0L, 0L, 0L
 159                                        ,GetWinHwnd(pParent)
 160                                        ,HWND_TOP
 161                                        ,(HMENU)vId
 162                                        ,(PVOID)&vCtrlData
 163                                        ,NULL
 164                                       );
 165     if (m_hWnd == 0)
 166     {
 167         return false;
 168     }
 169     m_hWndBuddy = m_hWnd; // One in the same for OS/2
 170     if(pParent)
 171         pParent->AddChild((wxSpinButton *)this);
 172
 173     SetFont(*wxSMALL_FONT);
 174     SetXComp(0);
 175     SetYComp(0);
 176     SetSize( rPos.x, rPos.y, rSize.x, rSize.y );
 177
 178     SetRange(nMin, nMax);
 179     SetValue(nInitial);
 180
 181     //
 182     // For OS/2 we'll just set our handle into our long data
 183     //
 184     wxAssociateWinWithHandle( m_hWnd
 185                              ,(wxWindowOS2*)this
 186                             );
 187     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 188     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 189     m_svAllSpins.Add(this);
 190     return true;
 191 } // end of wxSpinCtrl::Create
 192
 193 wxSize wxSpinCtrl::DoGetBestSize() const
 194 {
 195     wxSize                          vSizeBtn = wxSpinButton::DoGetBestSize();
 196     int                             nHeight;
 197     wxFont                          vFont = (wxFont)GetFont();
 198
 199     vSizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 200
 201     wxGetCharSize( GetHWND()
 202                   ,NULL
 203                   ,&nHeight
 204                   ,&vFont
 205                  );
 206     nHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nHeight)+4;
 207
 208     if (vSizeBtn.y < nHeight)
 209     {
 210         //
 211         // Make the text tall enough
 212         //
 213         vSizeBtn.y = nHeight;
 214     }
 215     return vSizeBtn;
 216 } // end of wxSpinCtrl::DoGetBestSize
 217
 218 void wxSpinCtrl::DoGetPosition(
 219   int*                              pnX
 220 , int*                              pnY
 221 ) const
 222 {
 223     wxSpinButton::DoGetPosition( pnX,pnY );
 224 } // end of wxpinCtrl::DoGetPosition
 225
 226 void wxSpinCtrl::DoGetSize(
 227   int*                              pnWidth
 228 , int*                              pnHeight
 229 ) const
 230 {
 231     RECTL                           vSpinrect;
 232
 233     ::WinQueryWindowRect(GetHwnd(), &vSpinrect);
 234
 235     if (pnWidth)
 236         *pnWidth = vSpinrect.xRight - vSpinrect.xLeft;
 237     if (pnHeight)
 238         *pnHeight = vSpinrect.yTop - vSpinrect.yBottom;
 239 } // end of wxSpinCtrl::DoGetSize
 240
 241 void wxSpinCtrl::DoMoveWindow(
 242   int                               nX
 243 , int                               nY
 244 , int                               nWidth
 245 , int                               nHeight
 246 )
 247 {
 248     wxWindowOS2*                    pParent = (wxWindowOS2*)GetParent();
 249
 250     if (pParent)
 251     {
 252         int                         nOS2Height = GetOS2ParentHeight(pParent);
 253
 254         nY = nOS2Height - (nY + nHeight);
 255     }
 256     else
 257     {
 258         RECTL                       vRect;
 259
 260         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
 261         nY = vRect.yTop - (nY + nHeight);
 262     }
 263     ::WinSetWindowPos( GetHwnd()
 264                       ,HWND_TOP
 265                       ,nX
 266                       ,nY
 267                       ,nWidth
 268                       ,nHeight
 269                       ,SWP_SIZE | SWP_MOVE | SWP_ZORDER | SWP_SHOW
 270                      );
 271 } // end of wxSpinCtrl::DoMoveWindow
 272
 273 bool wxSpinCtrl::Enable(
 274   bool                              bEnable
 275 )
 276 {
 277     if (!wxControl::Enable(bEnable))
 278     {
 279         return false;
 280     }
 281     ::WinEnableWindow(GetHwnd(), bEnable);
 282     return true;
 283 } // end of wxSpinCtrl::Enable
 284
 285 wxSpinCtrl* wxSpinCtrl::GetSpinForTextCtrl(
 286   WXHWND                            hWndBuddy
 287 )
 288 {
 289     wxSpinCtrl*                     pSpin = (wxSpinCtrl *)::WinQueryWindowULong( (HWND)hWndBuddy
 290                                                                                 ,QWL_USER
 291                                                                                );
 292     int                             i = m_svAllSpins.Index(pSpin);
 293
 294     if (i == wxNOT_FOUND)
 295         return NULL;
 296
 297     // sanity check
 298     wxASSERT_MSG( pSpin->m_hWndBuddy == hWndBuddy,
 299                   _T("wxSpinCtrl has incorrect buddy HWND!") );
 300
 301     return pSpin;
 302 } // end of wxSpinCtrl::GetSpinForTextCtrl
 303
 304 int wxSpinCtrl::GetValue() const
 305 {
 306     long                            lVal = 0L;
 307     char                            zVal[10];
 308
 309     ::WinSendMsg( GetHwnd()
 310                  ,SPBM_QUERYVALUE
 311                  ,MPFROMP(zVal)
 312                  ,MPFROM2SHORT( (USHORT)10
 313                                ,SPBQ_UPDATEIFVALID
 314                               )
 315                 );
 316     lVal = atol(zVal);
 317     return (int)lVal;
 318 } // end of wxSpinCtrl::GetValue
 319
 320 void wxSpinCtrl::OnChar (
 321   wxKeyEvent&                       rEvent
 322 )
 323 {
 324     switch (rEvent.GetKeyCode())
 325     {
 326         case WXK_RETURN:
 327             {
 328                 wxCommandEvent              vEvent( wxEVT_COMMAND_TEXT_ENTER
 329                                                    ,m_windowId
 330                                                   );
 331                 wxString                    sVal = wxGetWindowText(m_hWndBuddy);
 332
 333                 InitCommandEvent(vEvent);
 334                 vEvent.SetString(sVal);
 335                 vEvent.SetInt(GetValue());
 336                 if (HandleWindowEvent(vEvent))
 337                     return;
 338                 break;
 339             }
 340
 341         case WXK_TAB:
 342             //
 343             // Always produce navigation event - even if we process TAB
 344             // ourselves the fact that we got here means that the user code
 345             // decided to skip processing of this TAB - probably to let it
 346             // do its default job.
 347             //
 348             {
 349                 wxNavigationKeyEvent        vEventNav;
 350
 351                 vEventNav.SetDirection(!rEvent.ShiftDown());
 352                 vEventNav.SetWindowChange(rEvent.ControlDown());
 353                 vEventNav.SetEventObject(this);
 354                 if (GetParent()->HandleWindowEvent(vEventNav))
 355                     return;
 356             }
 357             break;
 358     }
 359
 360     //
 361     // No, we didn't process it
 362     //
 363     rEvent.Skip();
 364 } // end of wxSpinCtrl::OnChar
 365
 366 void wxSpinCtrl::OnSpinChange(
 367   wxSpinEvent&                      rEventSpin
 368 )
 369 {
 370     wxCommandEvent                  vEvent( wxEVT_COMMAND_SPINCTRL_UPDATED
 371                                            ,GetId()
 372                                           );
 373
 374     vEvent.SetEventObject(this);
 375     vEvent.SetInt(rEventSpin.GetPosition());
 376     (void)HandleWindowEvent(vEvent);
 377     if (rEventSpin.GetSkipped())
 378     {
 379         vEvent.Skip();
 380     }
 381 } // end of wxSpinCtrl::OnSpinChange
 382
 383 void wxSpinCtrl::OnSetFocus (
 384   wxFocusEvent&                     rEvent
 385 )
 386 {
 387     //
 388     // When we get focus, give it to our buddy window as it needs it more than
 389     // we do
 390     //
 391     ::WinSetFocus(HWND_DESKTOP, (HWND)m_hWndBuddy);
 392     rEvent.Skip();
 393 } // end of wxSpinCtrl::OnSetFocus
 394
 395 bool wxSpinCtrl::ProcessTextCommand( WXWORD wCmd,
 396                                      WXWORD WXUNUSED(wId) )
 397 {
 398     switch (wCmd)
 399     {
 400         case SPBN_CHANGE:
 401         {
 402             wxCommandEvent vEvent( wxEVT_COMMAND_TEXT_UPDATED, GetId() );
 403             vEvent.SetEventObject(this);
 404
 405             wxString sVal = wxGetWindowText(m_hWndBuddy);
 406
 407             vEvent.SetString(sVal);
 408             vEvent.SetInt(GetValue());
 409             return (HandleWindowEvent(vEvent));
 410         }
 411
 412         case SPBN_SETFOCUS:
 413         case SPBN_KILLFOCUS:
 414         {
 415             wxFocusEvent vEvent( wCmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS : wxEVT_SET_FOCUS
 416                                 ,m_windowId
 417                                );
 418
 419             vEvent.SetEventObject(this);
 420             return(HandleWindowEvent(vEvent));
 421         }
 422         default:
 423             break;
 424     }
 425
 426     //
 427     // Not processed
 428     //
 429     return false;
 430 } // end of wxSpinCtrl::ProcessTextCommand
 431
 432 void wxSpinCtrl::SetFocus()
 433 {
 434     ::WinSetFocus(HWND_DESKTOP, GetHwnd());
 435 } // end of wxSpinCtrl::SetFocus
 436
 437 bool wxSpinCtrl::SetFont(
 438   const wxFont&                     rFont
 439 )
 440 {
 441     if (!wxWindowBase::SetFont(rFont))
 442     {
 443         // nothing to do
 444         return false;
 445     }
 446
 447     wxOS2SetFont( m_hWnd
 448                  ,rFont
 449                 );
 450     return true;
 451 } // end of wxSpinCtrl::SetFont
 452
 453 void wxSpinCtrl::SetValue(
 454   const wxString&                   rsText
 455 )
 456 {
 457     long                            lVal;
 458
 459     lVal = atol(rsText.c_str());
 460     wxSpinButton::SetValue(lVal);
 461 } // end of wxSpinCtrl::SetValue
 462
 463 bool wxSpinCtrl::Show(
 464   bool                              bShow
 465 )
 466 {
 467     if (!wxControl::Show(bShow))
 468     {
 469         return false;
 470     }
 471     return true;
 472 } // end of wxSpinCtrl::Show
 473
 474 void wxSpinCtrl::SetSelection (
 475   long                              lFrom
 476 , long                              lTo
 477 )
 478 {
 479     //
 480     // If from and to are both -1, it means (in wxWidgets) that all text should
 481     // be selected - translate into Windows convention
 482     //
 483     if ((lFrom == -1) && (lTo == -1))
 484     {
 485         lFrom = 0;
 486     }
 487     ::WinSendMsg(m_hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), (MPARAM)0);
 488 } // end of wxSpinCtrl::SetSelection
 489
 490 #endif //wxUSE_SPINCTRL