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