src/os2/spinctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/spinctrl.cpp
   3 // Purpose:     wxSpinCtrl class implementation for Win32
   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 #ifdef __GNUG__
  18     #pragma implementation "spinctrlbase.h"
  19     #pragma implementation "spinctrl.h"
  20 #endif
  21
  22 // ----------------------------------------------------------------------------
  23 // headers
  24 // ----------------------------------------------------------------------------
  25
  26 // for compilers that support precompilation, includes "wx.h".
  27 #include "wx/wxprec.h"
  28
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/wx.h"
  32 #endif
  33
  34 #if wxUSE_SPINCTRL
  35
  36 #include "wx/spinctrl.h"
  37 #include "wx/os2/private.h"
  38
  39 // ----------------------------------------------------------------------------
  40 // macros
  41 // ----------------------------------------------------------------------------
  42
  43 extern void  wxAssociateWinWithHandle( HWND         hWnd
  44                                       ,wxWindowOS2* pWin
  45                                      );
  46 static WXFARPROC fnWndProcSpinCtrl = (WXFARPROC)NULL;
  47 wxArraySpins                        wxSpinCtrl::m_svAllSpins;
  48
  49 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
  50
  51 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
  52     EVT_CHAR(wxSpinCtrl::OnChar)
  53     EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
  54     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
  55 END_EVENT_TABLE()
  56 // ----------------------------------------------------------------------------
  57 // constants
  58 // ----------------------------------------------------------------------------
  59
  60 // the margin between the up-down control and its buddy
  61 static const int MARGIN_BETWEEN = 5;
  62
  63 // ============================================================================
  64 // implementation
  65 // ============================================================================
  66 MRESULT EXPENTRY wxSpinCtrlWndProc(
  67   HWND                              hWnd
  68 , UINT                              uMessage
  69 , MPARAM                            wParam
  70 , MPARAM                            lParam
  71 )
  72 {
  73     wxSpinCtrl*                    pSpin = (wxSpinCtrl *)::WinQueryWindowULong( hWnd
  74                                                                                ,QWL_USER
  75                                                                               );
  76
  77     //
  78     // Forward some messages (the key ones only so far) to the spin ctrl
  79     //
  80     switch (uMessage )
  81     {
  82         case WM_CHAR:
  83             pSpin->OS2WindowProc( uMessage
  84                                  ,wParam
  85                                  ,lParam
  86                                 );
  87
  88             //
  89             // The control may have been deleted at this point, so check.
  90             //
  91             if (!(::WinIsWindow(vHabmain, hWnd) && ((wxSpinCtrl *)::WinQueryWindowULong( hWnd
  92                                                                                         ,QWL_USER
  93                                                                                        )
  94                                                    ) == pSpin))
  95                 return 0;
  96             break;
  97
  98     }
  99     return (fnWndProcSpinCtrl( hWnd
 100                               ,(ULONG)uMessage
 101                               ,(MPARAM)wParam
 102                               ,(MPARAM)lParam
 103                              )
 104            );
 105 } // end of wxSpinCtrlWndProc
 106
 107 wxSpinCtrl::~wxSpinCtrl()
 108 {
 109     m_svAllSpins.Remove(this);
 110
 111     // This removes spurious memory leak reporting
 112     if (m_svAllSpins.GetCount() == 0)
 113         m_svAllSpins.Clear();
 114 } // end of wxSpinCtrl::~wxSpinCtrl
 115
 116 // ----------------------------------------------------------------------------
 117 // construction
 118 // ----------------------------------------------------------------------------
 119
 120 bool wxSpinCtrl::Create(
 121   wxWindow*                         pParent
 122 , wxWindowID                        vId
 123 , const wxString&                   rsValue
 124 , const wxPoint&                    rPos
 125 , const wxSize&                     rSize
 126 , long                              lStyle
 127 , int                               nMin
 128 , int                               nMax
 129 , int                               nInitial
 130 , const wxString&                   rsName
 131 )
 132 {
 133     SWP                             vSwp;
 134
 135     if (vId == wxID_ANY)
 136         m_windowId = NewControlId();
 137     else
 138         m_windowId = vId;
 139     m_backgroundColour = pParent->GetBackgroundColour();
 140     m_foregroundColour = pParent->GetForegroundColour();
 141     SetName(rsName);
 142     SetParent(pParent);
 143     m_windowStyle      = lStyle;
 144
 145     int                             lSstyle = 0L;
 146
 147     lSstyle = WS_VISIBLE      |
 148               WS_TABSTOP      |
 149               SPBS_MASTER     | // We use only single field spin buttons
 150               SPBS_NUMERICONLY; // We default to numeric data
 151
 152     if (m_windowStyle & wxCLIP_SIBLINGS )
 153         lSstyle |= WS_CLIPSIBLINGS;
 154
 155     SPBCDATA                        vCtrlData;
 156
 157     vCtrlData.cbSize = sizeof(SPBCDATA);
 158     vCtrlData.ulTextLimit = 10L;
 159     vCtrlData.lLowerLimit = 0L;
 160     vCtrlData.lUpperLimit = 100L;
 161     vCtrlData.idMasterSpb = vId;
 162     vCtrlData.pHWXCtlData = NULL;
 163
 164     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 165                                        ,WC_SPINBUTTON
 166                                        ,(PSZ)NULL
 167                                        ,lSstyle
 168                                        ,0L, 0L, 0L, 0L
 169                                        ,GetWinHwnd(pParent)
 170                                        ,HWND_TOP
 171                                        ,(HMENU)vId
 172                                        ,(PVOID)&vCtrlData
 173                                        ,NULL
 174                                       );
 175     if (m_hWnd == 0)
 176     {
 177         return false;
 178     }
 179     m_hWndBuddy = m_hWnd; // One in the same for OS/2
 180     if(pParent)
 181         pParent->AddChild((wxSpinButton *)this);
 182     wxFont*                          pTextFont = new wxFont( 10
 183                                                             ,wxMODERN
 184                                                             ,wxNORMAL
 185                                                             ,wxNORMAL
 186                                                            );
 187     SetFont(*pTextFont);
 188     ::WinQueryWindowPos(m_hWnd, &vSwp);
 189     SetXComp(vSwp.x);
 190     SetYComp(vSwp.y);
 191     SetSize( rPos.x
 192             ,rPos.y
 193             ,rSize.x
 194             ,rSize.y
 195            );
 196
 197     SetRange(nMin, nMax);
 198     SetValue(nInitial);
 199
 200     //
 201     // For OS/2 we'll just set our handle into our long data
 202     //
 203     wxAssociateWinWithHandle( m_hWnd
 204                              ,(wxWindowOS2*)this
 205                             );
 206     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 207     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 208     m_svAllSpins.Add(this);
 209     delete pTextFont;
 210     return true;
 211 } // end of wxSpinCtrl::Create
 212
 213 wxSize wxSpinCtrl::DoGetBestSize() const
 214 {
 215     wxSize                          vSizeBtn = wxSpinButton::DoGetBestSize();
 216     int                             nHeight;
 217     wxFont                          vFont = (wxFont)GetFont();
 218
 219     vSizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 220
 221     wxGetCharSize( GetHWND()
 222                   ,NULL
 223                   ,&nHeight
 224                   ,&vFont
 225                  );
 226     nHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nHeight);
 227
 228     if (vSizeBtn.y < nHeight)
 229     {
 230         //
 231         // Make the text tall enough
 232         //
 233         vSizeBtn.y = nHeight;
 234     }
 235     return vSizeBtn;
 236 } // end of wxSpinCtrl::DoGetBestSize
 237
 238 void wxSpinCtrl::DoGetPosition(
 239   int*                              pnX
 240 , int*                              pnY
 241 ) const
 242 {
 243     WXHWND                          hWnd = GetHWND();
 244
 245     wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hWndBuddy;
 246     wxSpinButton::DoGetPosition( pnX
 247                                 ,pnY
 248                                );
 249     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 250 } // end of wxpinCtrl::DoGetPosition
 251
 252 void wxSpinCtrl::DoGetSize(
 253   int*                              pnWidth
 254 , int*                              pnHeight
 255 ) const
 256 {
 257     RECTL                           vSpinrect;
 258
 259     ::WinQueryWindowRect(GetHwnd(), &vSpinrect);
 260
 261     if (pnWidth)
 262         *pnWidth = vSpinrect.xRight - vSpinrect.xLeft;
 263     if (pnHeight)
 264         *pnHeight = vSpinrect.yTop - vSpinrect.yBottom;
 265 } // end of wxSpinCtrl::DoGetSize
 266
 267 void wxSpinCtrl::DoMoveWindow(
 268   int                               nX
 269 , int                               nY
 270 , int                               nWidth
 271 , int                               nHeight
 272 )
 273 {
 274     wxWindowOS2*                    pParent = (wxWindowOS2*)GetParent();
 275
 276     if (pParent)
 277     {
 278         int                         nOS2Height = GetOS2ParentHeight(pParent);
 279
 280         nY = nOS2Height - (nY + nHeight);
 281     }
 282     else
 283     {
 284         RECTL                       vRect;
 285
 286         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
 287         nY = vRect.yTop - (nY + nHeight);
 288     }
 289     ::WinSetWindowPos( GetHwnd()
 290                       ,HWND_TOP
 291                       ,nX
 292                       ,nY
 293                       ,nWidth
 294                       ,nHeight
 295                       ,SWP_SIZE | SWP_MOVE | SWP_ZORDER | SWP_SHOW
 296                      );
 297 } // end of wxSpinCtrl::DoMoveWindow
 298
 299 bool wxSpinCtrl::Enable(
 300   bool                              bEnable
 301 )
 302 {
 303     if (!wxControl::Enable(bEnable))
 304     {
 305         return false;
 306     }
 307     ::WinEnableWindow(GetHwnd(), bEnable);
 308     return true;
 309 } // end of wxSpinCtrl::Enable
 310
 311 wxSpinCtrl* wxSpinCtrl::GetSpinForTextCtrl(
 312   WXHWND                            hWndBuddy
 313 )
 314 {
 315     wxSpinCtrl*                     pSpin = (wxSpinCtrl *)::WinQueryWindowULong( (HWND)hWndBuddy
 316                                                                                 ,QWL_USER
 317                                                                                );
 318     int                             i = m_svAllSpins.Index(pSpin);
 319
 320     if (i == wxNOT_FOUND)
 321         return NULL;
 322
 323     // sanity check
 324     wxASSERT_MSG( pSpin->m_hWndBuddy == hWndBuddy,
 325                   _T("wxSpinCtrl has incorrect buddy HWND!") );
 326
 327     return pSpin;
 328 } // end of wxSpinCtrl::GetSpinForTextCtrl
 329
 330 int wxSpinCtrl::GetValue() const
 331 {
 332     long                            lVal = 0L;
 333     char                            zVal[10];
 334
 335     ::WinSendMsg( GetHwnd()
 336                  ,SPBM_QUERYVALUE
 337                  ,MPFROMP(zVal)
 338                  ,MPFROM2SHORT( (USHORT)10
 339                                ,SPBQ_UPDATEIFVALID
 340                               )
 341                 );
 342     lVal = atol(zVal);
 343     return (int)lVal;
 344 } // end of wxSpinCtrl::GetValue
 345
 346 void wxSpinCtrl::OnChar (
 347   wxKeyEvent&                       rEvent
 348 )
 349 {
 350     switch (rEvent.GetKeyCode())
 351     {
 352         case WXK_RETURN:
 353             {
 354                 wxCommandEvent              vEvent( wxEVT_COMMAND_TEXT_ENTER
 355                                                    ,m_windowId
 356                                                   );
 357                 wxString                    sVal = wxGetWindowText(m_hWndBuddy);
 358
 359                 InitCommandEvent(vEvent);
 360                 vEvent.SetString(sVal);
 361                 vEvent.SetInt(GetValue());
 362                 if (GetEventHandler()->ProcessEvent(vEvent))
 363                     return;
 364                 break;
 365             }
 366
 367         case WXK_TAB:
 368             //
 369             // Always produce navigation event - even if we process TAB
 370             // ourselves the fact that we got here means that the user code
 371             // decided to skip processing of this TAB - probably to let it
 372             // do its default job.
 373             //
 374             {
 375                 wxNavigationKeyEvent        vEventNav;
 376
 377                 vEventNav.SetDirection(!rEvent.ShiftDown());
 378                 vEventNav.SetWindowChange(rEvent.ControlDown());
 379                 vEventNav.SetEventObject(this);
 380                 if (GetParent()->GetEventHandler()->ProcessEvent(vEventNav))
 381                     return;
 382             }
 383             break;
 384     }
 385
 386     //
 387     // No, we didn't process it
 388     //
 389     rEvent.Skip();
 390 } // end of wxSpinCtrl::OnChar
 391
 392 void wxSpinCtrl::OnSpinChange(
 393   wxSpinEvent&                      rEventSpin
 394 )
 395 {
 396     wxCommandEvent                  vEvent( wxEVT_COMMAND_SPINCTRL_UPDATED
 397                                            ,GetId()
 398                                           );
 399
 400     vEvent.SetEventObject(this);
 401     vEvent.SetInt(rEventSpin.GetPosition());
 402     (void)GetEventHandler()->ProcessEvent(vEvent);
 403     if (rEventSpin.GetSkipped())
 404     {
 405         vEvent.Skip();
 406     }
 407 } // end of wxSpinCtrl::OnSpinChange
 408
 409 void wxSpinCtrl::OnSetFocus (
 410   wxFocusEvent&                     rEvent
 411 )
 412 {
 413     //
 414     // When we get focus, give it to our buddy window as it needs it more than
 415     // we do
 416     //
 417     ::WinSetFocus(HWND_DESKTOP, (HWND)m_hWndBuddy);
 418     rEvent.Skip();
 419 } // end of wxSpinCtrl::OnSetFocus
 420
 421 bool wxSpinCtrl::ProcessTextCommand(
 422   WXWORD                            wCmd
 423 , WXWORD                            wId
 424 )
 425 {
 426     switch (wCmd)
 427     {
 428         case SPBN_CHANGE:
 429         {
 430             wxCommandEvent          vEvent( wxEVT_COMMAND_TEXT_UPDATED
 431                                            ,GetId()
 432                                           );
 433             vEvent.SetEventObject(this);
 434
 435             wxString                sVal = wxGetWindowText(m_hWndBuddy);
 436
 437             vEvent.SetString(sVal);
 438             vEvent.SetInt(GetValue());
 439             return (GetEventHandler()->ProcessEvent(vEvent));
 440         }
 441
 442         case SPBN_SETFOCUS:
 443         case SPBN_KILLFOCUS:
 444         {
 445             wxFocusEvent                vEvent( wCmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS : wxEVT_SET_FOCUS
 446                                                ,m_windowId
 447                                               );
 448
 449             vEvent.SetEventObject(this);
 450             return(GetEventHandler()->ProcessEvent(vEvent));
 451         }
 452         default:
 453             break;
 454     }
 455
 456     //
 457     // Not processed
 458     //
 459     return false;
 460 } // end of wxSpinCtrl::ProcessTextCommand
 461
 462 void wxSpinCtrl::SetFocus()
 463 {
 464     ::WinSetFocus(HWND_DESKTOP, GetHwnd());
 465 } // end of wxSpinCtrl::SetFocus
 466
 467 bool wxSpinCtrl::SetFont(
 468   const wxFont&                     rFont
 469 )
 470 {
 471     if (!wxWindowBase::SetFont(rFont))
 472     {
 473         // nothing to do
 474         return false;
 475     }
 476
 477     wxOS2SetFont( m_hWnd
 478                  ,rFont
 479                 );
 480     return true;
 481 } // end of wxSpinCtrl::SetFont
 482
 483 void wxSpinCtrl::SetValue(
 484   const wxString&                   rsText
 485 )
 486 {
 487     long                            lVal;
 488
 489     lVal = atol((char*)rsText.c_str());
 490     wxSpinButton::SetValue(lVal);
 491 } // end of wxSpinCtrl::SetValue
 492
 493 bool wxSpinCtrl::Show(
 494   bool                              bShow
 495 )
 496 {
 497     if (!wxControl::Show(bShow))
 498     {
 499         return false;
 500     }
 501     return true;
 502 } // end of wxSpinCtrl::Show
 503
 504 void wxSpinCtrl::SetSelection (
 505   long                              lFrom
 506 , long                              lTo
 507 )
 508 {
 509     //
 510     // If from and to are both -1, it means (in wxWidgets) that all text should
 511     // be selected - translate into Windows convention
 512     //
 513     if ((lFrom == -1) && (lTo == -1))
 514     {
 515         lFrom = 0;
 516     }
 517     ::WinSendMsg(m_hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), (MPARAM)0);
 518 } // end of wxSpinCtrl::SetSelection
 519
 520 #endif //wxUSE_SPINCTRL