src/os2/spinctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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     SWP                             vSwp;
 126
 127     if (vId == wxID_ANY)
 128         m_windowId = NewControlId();
 129     else
 130         m_windowId = vId;
 131     m_backgroundColour = pParent->GetBackgroundColour();
 132     m_foregroundColour = pParent->GetForegroundColour();
 133     SetName(rsName);
 134     SetParent(pParent);
 135     m_windowStyle      = lStyle;
 136
 137     int                             lSstyle = 0L;
 138
 139     lSstyle = WS_VISIBLE      |
 140               WS_TABSTOP      |
 141               SPBS_MASTER     | // We use only single field spin buttons
 142               SPBS_NUMERICONLY; // We default to numeric data
 143
 144     if (m_windowStyle & wxCLIP_SIBLINGS )
 145         lSstyle |= WS_CLIPSIBLINGS;
 146
 147     SPBCDATA                        vCtrlData;
 148
 149     vCtrlData.cbSize = sizeof(SPBCDATA);
 150     vCtrlData.ulTextLimit = 10L;
 151     vCtrlData.lLowerLimit = 0L;
 152     vCtrlData.lUpperLimit = 100L;
 153     vCtrlData.idMasterSpb = vId;
 154     vCtrlData.pHWXCtlData = NULL;
 155
 156     m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)
 157                                        ,WC_SPINBUTTON
 158                                        ,(PSZ)NULL
 159                                        ,lSstyle
 160                                        ,0L, 0L, 0L, 0L
 161                                        ,GetWinHwnd(pParent)
 162                                        ,HWND_TOP
 163                                        ,(HMENU)vId
 164                                        ,(PVOID)&vCtrlData
 165                                        ,NULL
 166                                       );
 167     if (m_hWnd == 0)
 168     {
 169         return false;
 170     }
 171     m_hWndBuddy = m_hWnd; // One in the same for OS/2
 172     if(pParent)
 173         pParent->AddChild((wxSpinButton *)this);
 174
 175     SetFont(*wxSMALL_FONT);
 176     SetXComp(0);
 177     SetYComp(0);
 178     SetSize( rPos.x
 179             ,rPos.y
 180             ,rSize.x
 181             ,rSize.y
 182            );
 183
 184     SetRange(nMin, nMax);
 185     SetValue(nInitial);
 186
 187     //
 188     // For OS/2 we'll just set our handle into our long data
 189     //
 190     wxAssociateWinWithHandle( m_hWnd
 191                              ,(wxWindowOS2*)this
 192                             );
 193     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 194     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 195     m_svAllSpins.Add(this);
 196     return true;
 197 } // end of wxSpinCtrl::Create
 198
 199 wxSize wxSpinCtrl::DoGetBestSize() const
 200 {
 201     wxSize                          vSizeBtn = wxSpinButton::DoGetBestSize();
 202     int                             nHeight;
 203     wxFont                          vFont = (wxFont)GetFont();
 204
 205     vSizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 206
 207     wxGetCharSize( GetHWND()
 208                   ,NULL
 209                   ,&nHeight
 210                   ,&vFont
 211                  );
 212     nHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nHeight)+4;
 213
 214     if (vSizeBtn.y < nHeight)
 215     {
 216         //
 217         // Make the text tall enough
 218         //
 219         vSizeBtn.y = nHeight;
 220     }
 221     return vSizeBtn;
 222 } // end of wxSpinCtrl::DoGetBestSize
 223
 224 void wxSpinCtrl::DoGetPosition(
 225   int*                              pnX
 226 , int*                              pnY
 227 ) const
 228 {
 229     wxSpinButton::DoGetPosition( pnX,pnY );
 230 } // end of wxpinCtrl::DoGetPosition
 231
 232 void wxSpinCtrl::DoGetSize(
 233   int*                              pnWidth
 234 , int*                              pnHeight
 235 ) const
 236 {
 237     RECTL                           vSpinrect;
 238
 239     ::WinQueryWindowRect(GetHwnd(), &vSpinrect);
 240
 241     if (pnWidth)
 242         *pnWidth = vSpinrect.xRight - vSpinrect.xLeft;
 243     if (pnHeight)
 244         *pnHeight = vSpinrect.yTop - vSpinrect.yBottom;
 245 } // end of wxSpinCtrl::DoGetSize
 246
 247 void wxSpinCtrl::DoMoveWindow(
 248   int                               nX
 249 , int                               nY
 250 , int                               nWidth
 251 , int                               nHeight
 252 )
 253 {
 254     wxWindowOS2*                    pParent = (wxWindowOS2*)GetParent();
 255
 256     if (pParent)
 257     {
 258         int                         nOS2Height = GetOS2ParentHeight(pParent);
 259
 260         nY = nOS2Height - (nY + nHeight);
 261     }
 262     else
 263     {
 264         RECTL                       vRect;
 265
 266         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
 267         nY = vRect.yTop - (nY + nHeight);
 268     }
 269     ::WinSetWindowPos( GetHwnd()
 270                       ,HWND_TOP
 271                       ,nX
 272                       ,nY
 273                       ,nWidth
 274                       ,nHeight
 275                       ,SWP_SIZE | SWP_MOVE | SWP_ZORDER | SWP_SHOW
 276                      );
 277 } // end of wxSpinCtrl::DoMoveWindow
 278
 279 bool wxSpinCtrl::Enable(
 280   bool                              bEnable
 281 )
 282 {
 283     if (!wxControl::Enable(bEnable))
 284     {
 285         return false;
 286     }
 287     ::WinEnableWindow(GetHwnd(), bEnable);
 288     return true;
 289 } // end of wxSpinCtrl::Enable
 290
 291 wxSpinCtrl* wxSpinCtrl::GetSpinForTextCtrl(
 292   WXHWND                            hWndBuddy
 293 )
 294 {
 295     wxSpinCtrl*                     pSpin = (wxSpinCtrl *)::WinQueryWindowULong( (HWND)hWndBuddy
 296                                                                                 ,QWL_USER
 297                                                                                );
 298     int                             i = m_svAllSpins.Index(pSpin);
 299
 300     if (i == wxNOT_FOUND)
 301         return NULL;
 302
 303     // sanity check
 304     wxASSERT_MSG( pSpin->m_hWndBuddy == hWndBuddy,
 305                   _T("wxSpinCtrl has incorrect buddy HWND!") );
 306
 307     return pSpin;
 308 } // end of wxSpinCtrl::GetSpinForTextCtrl
 309
 310 int wxSpinCtrl::GetValue() const
 311 {
 312     long                            lVal = 0L;
 313     char                            zVal[10];
 314
 315     ::WinSendMsg( GetHwnd()
 316                  ,SPBM_QUERYVALUE
 317                  ,MPFROMP(zVal)
 318                  ,MPFROM2SHORT( (USHORT)10
 319                                ,SPBQ_UPDATEIFVALID
 320                               )
 321                 );
 322     lVal = atol(zVal);
 323     return (int)lVal;
 324 } // end of wxSpinCtrl::GetValue
 325
 326 void wxSpinCtrl::OnChar (
 327   wxKeyEvent&                       rEvent
 328 )
 329 {
 330     switch (rEvent.GetKeyCode())
 331     {
 332         case WXK_RETURN:
 333             {
 334                 wxCommandEvent              vEvent( wxEVT_COMMAND_TEXT_ENTER
 335                                                    ,m_windowId
 336                                                   );
 337                 wxString                    sVal = wxGetWindowText(m_hWndBuddy);
 338
 339                 InitCommandEvent(vEvent);
 340                 vEvent.SetString(sVal);
 341                 vEvent.SetInt(GetValue());
 342                 if (GetEventHandler()->ProcessEvent(vEvent))
 343                     return;
 344                 break;
 345             }
 346
 347         case WXK_TAB:
 348             //
 349             // Always produce navigation event - even if we process TAB
 350             // ourselves the fact that we got here means that the user code
 351             // decided to skip processing of this TAB - probably to let it
 352             // do its default job.
 353             //
 354             {
 355                 wxNavigationKeyEvent        vEventNav;
 356
 357                 vEventNav.SetDirection(!rEvent.ShiftDown());
 358                 vEventNav.SetWindowChange(rEvent.ControlDown());
 359                 vEventNav.SetEventObject(this);
 360                 if (GetParent()->GetEventHandler()->ProcessEvent(vEventNav))
 361                     return;
 362             }
 363             break;
 364     }
 365
 366     //
 367     // No, we didn't process it
 368     //
 369     rEvent.Skip();
 370 } // end of wxSpinCtrl::OnChar
 371
 372 void wxSpinCtrl::OnSpinChange(
 373   wxSpinEvent&                      rEventSpin
 374 )
 375 {
 376     wxCommandEvent                  vEvent( wxEVT_COMMAND_SPINCTRL_UPDATED
 377                                            ,GetId()
 378                                           );
 379
 380     vEvent.SetEventObject(this);
 381     vEvent.SetInt(rEventSpin.GetPosition());
 382     (void)GetEventHandler()->ProcessEvent(vEvent);
 383     if (rEventSpin.GetSkipped())
 384     {
 385         vEvent.Skip();
 386     }
 387 } // end of wxSpinCtrl::OnSpinChange
 388
 389 void wxSpinCtrl::OnSetFocus (
 390   wxFocusEvent&                     rEvent
 391 )
 392 {
 393     //
 394     // When we get focus, give it to our buddy window as it needs it more than
 395     // we do
 396     //
 397     ::WinSetFocus(HWND_DESKTOP, (HWND)m_hWndBuddy);
 398     rEvent.Skip();
 399 } // end of wxSpinCtrl::OnSetFocus
 400
 401 bool wxSpinCtrl::ProcessTextCommand( WXWORD wCmd,
 402                                      WXWORD WXUNUSED(wId) )
 403 {
 404     switch (wCmd)
 405     {
 406         case SPBN_CHANGE:
 407         {
 408             wxCommandEvent vEvent( wxEVT_COMMAND_TEXT_UPDATED, GetId() );
 409             vEvent.SetEventObject(this);
 410
 411             wxString sVal = wxGetWindowText(m_hWndBuddy);
 412
 413             vEvent.SetString(sVal);
 414             vEvent.SetInt(GetValue());
 415             return (GetEventHandler()->ProcessEvent(vEvent));
 416         }
 417
 418         case SPBN_SETFOCUS:
 419         case SPBN_KILLFOCUS:
 420         {
 421             wxFocusEvent vEvent( wCmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS : wxEVT_SET_FOCUS
 422                                 ,m_windowId
 423                                );
 424
 425             vEvent.SetEventObject(this);
 426             return(GetEventHandler()->ProcessEvent(vEvent));
 427         }
 428         default:
 429             break;
 430     }
 431
 432     //
 433     // Not processed
 434     //
 435     return false;
 436 } // end of wxSpinCtrl::ProcessTextCommand
 437
 438 void wxSpinCtrl::SetFocus()
 439 {
 440     ::WinSetFocus(HWND_DESKTOP, GetHwnd());
 441 } // end of wxSpinCtrl::SetFocus
 442
 443 bool wxSpinCtrl::SetFont(
 444   const wxFont&                     rFont
 445 )
 446 {
 447     if (!wxWindowBase::SetFont(rFont))
 448     {
 449         // nothing to do
 450         return false;
 451     }
 452
 453     wxOS2SetFont( m_hWnd
 454                  ,rFont
 455                 );
 456     return true;
 457 } // end of wxSpinCtrl::SetFont
 458
 459 void wxSpinCtrl::SetValue(
 460   const wxString&                   rsText
 461 )
 462 {
 463     long                            lVal;
 464
 465     lVal = atol((char*)rsText.c_str());
 466     wxSpinButton::SetValue(lVal);
 467 } // end of wxSpinCtrl::SetValue
 468
 469 bool wxSpinCtrl::Show(
 470   bool                              bShow
 471 )
 472 {
 473     if (!wxControl::Show(bShow))
 474     {
 475         return false;
 476     }
 477     return true;
 478 } // end of wxSpinCtrl::Show
 479
 480 void wxSpinCtrl::SetSelection (
 481   long                              lFrom
 482 , long                              lTo
 483 )
 484 {
 485     //
 486     // If from and to are both -1, it means (in wxWidgets) that all text should
 487     // be selected - translate into Windows convention
 488     //
 489     if ((lFrom == -1) && (lTo == -1))
 490     {
 491         lFrom = 0;
 492     }
 493     ::WinSendMsg(m_hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), (MPARAM)0);
 494 } // end of wxSpinCtrl::SetSelection
 495
 496 #endif //wxUSE_SPINCTRL