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     wxFont*                          pTextFont = new wxFont( 10
 182                                                             ,wxMODERN
 183                                                             ,wxNORMAL
 184                                                             ,wxNORMAL
 185                                                            );
 186     SetFont(*pTextFont);
 187     ::WinQueryWindowPos(m_hWnd, &vSwp);
 188     SetXComp(vSwp.x);
 189     SetYComp(vSwp.y);
 190     SetSize( rPos.x
 191             ,rPos.y
 192             ,rSize.x
 193             ,rSize.y
 194            );
 195
 196     SetRange(nMin, nMax);
 197     SetValue(nInitial);
 198
 199     //
 200     // For OS/2 we'll just set our handle into our long data
 201     //
 202     wxAssociateWinWithHandle( m_hWnd
 203                              ,(wxWindowOS2*)this
 204                             );
 205     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 206     fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
 207     m_svAllSpins.Add(this);
 208     delete pTextFont;
 209     return TRUE;
 210 } // end of wxSpinCtrl::Create
 211
 212 wxSize wxSpinCtrl::DoGetBestSize() const
 213 {
 214     wxSize                          vSizeBtn = wxSpinButton::DoGetBestSize();
 215     int                             nHeight;
 216
 217     vSizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 218
 219     wxGetCharSize( GetHWND()
 220                   ,NULL
 221                   ,&nHeight
 222                   ,(wxFont*)&GetFont()
 223                  );
 224     nHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nHeight);
 225
 226     if (vSizeBtn.y < nHeight)
 227     {
 228         //
 229         // Make the text tall enough
 230         //
 231         vSizeBtn.y = nHeight;
 232     }
 233     return vSizeBtn;
 234 } // end of wxSpinCtrl::DoGetBestSize
 235
 236 void wxSpinCtrl::DoGetPosition(
 237   int*                              pnX
 238 , int*                              pnY
 239 ) const
 240 {
 241     WXHWND                          hWnd = GetHWND();
 242
 243     wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hWndBuddy;
 244     wxSpinButton::DoGetPosition( pnX
 245                                 ,pnY
 246                                );
 247     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 248 } // end of wxpinCtrl::DoGetPosition
 249
 250 void wxSpinCtrl::DoGetSize(
 251   int*                              pnWidth
 252 , int*                              pnHeight
 253 ) const
 254 {
 255     RECTL                           vSpinrect;
 256
 257     ::WinQueryWindowRect(GetHwnd(), &vSpinrect);
 258
 259     if (pnWidth)
 260         *pnWidth = vSpinrect.xRight - vSpinrect.xLeft;
 261     if (pnHeight)
 262         *pnHeight = vSpinrect.yTop - vSpinrect.yBottom;
 263 } // end of wxSpinCtrl::DoGetSize
 264
 265 void wxSpinCtrl::DoMoveWindow(
 266   int                               nX
 267 , int                               nY
 268 , int                               nWidth
 269 , int                               nHeight
 270 )
 271 {
 272     wxWindowOS2*                    pParent = (wxWindowOS2*)GetParent();
 273
 274     if (pParent)
 275     {
 276         int                         nOS2Height = GetOS2ParentHeight(pParent);
 277
 278         nY = nOS2Height - (nY + nHeight);
 279     }
 280     else
 281     {
 282         RECTL                       vRect;
 283
 284         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
 285         nY = vRect.yTop - (nY + nHeight);
 286     }
 287     ::WinSetWindowPos( GetHwnd()
 288                       ,HWND_TOP
 289                       ,nX
 290                       ,nY
 291                       ,nWidth
 292                       ,nHeight
 293                       ,SWP_SIZE | SWP_MOVE | SWP_ZORDER | SWP_SHOW
 294                      );
 295 } // end of wxSpinCtrl::DoMoveWindow
 296
 297 bool wxSpinCtrl::Enable(
 298   bool                              bEnable
 299 )
 300 {
 301     if (!wxControl::Enable(bEnable))
 302     {
 303         return FALSE;
 304     }
 305     ::WinEnableWindow(GetHwnd(), bEnable);
 306     return TRUE;
 307 } // end of wxSpinCtrl::Enable
 308
 309 wxSpinCtrl* wxSpinCtrl::GetSpinForTextCtrl(
 310   WXHWND                            hWndBuddy
 311 )
 312 {
 313     wxSpinCtrl*                     pSpin = (wxSpinCtrl *)::WinQueryWindowULong( (HWND)hWndBuddy
 314                                                                                 ,QWL_USER
 315                                                                                );
 316     int                             i = m_svAllSpins.Index(pSpin);
 317
 318     if (i == wxNOT_FOUND)
 319         return NULL;
 320
 321     // sanity check
 322     wxASSERT_MSG( pSpin->m_hWndBuddy == hWndBuddy,
 323                   _T("wxSpinCtrl has incorrect buddy HWND!") );
 324
 325     return pSpin;
 326 } // end of wxSpinCtrl::GetSpinForTextCtrl
 327
 328 int wxSpinCtrl::GetValue() const
 329 {
 330     long                            lVal = 0L;
 331     char                            zVal[10];
 332
 333     ::WinSendMsg( GetHwnd()
 334                  ,SPBM_QUERYVALUE
 335                  ,MPFROMP(zVal)
 336                  ,MPFROM2SHORT( (USHORT)10
 337                                ,SPBQ_UPDATEIFVALID
 338                               )
 339                 );
 340     lVal = atol(zVal);
 341     return (int)lVal;
 342 } // end of wxSpinCtrl::GetValue
 343
 344 void wxSpinCtrl::OnChar (
 345   wxKeyEvent&                       rEvent
 346 )
 347 {
 348     switch (rEvent.KeyCode())
 349     {
 350         case WXK_RETURN:
 351             {
 352                 wxCommandEvent              vEvent( wxEVT_COMMAND_TEXT_ENTER
 353                                                    ,m_windowId
 354                                                   );
 355                 wxString                    sVal = wxGetWindowText(m_hWndBuddy);
 356
 357                 InitCommandEvent(vEvent);
 358                 vEvent.SetString((char*)sVal.c_str());
 359                 vEvent.SetInt(GetValue());
 360                 if (GetEventHandler()->ProcessEvent(vEvent))
 361                     return;
 362                 break;
 363             }
 364
 365         case WXK_TAB:
 366             //
 367             // Always produce navigation event - even if we process TAB
 368             // ourselves the fact that we got here means that the user code
 369             // decided to skip processing of this TAB - probably to let it
 370             // do its default job.
 371             //
 372             {
 373                 wxNavigationKeyEvent        vEventNav;
 374
 375                 vEventNav.SetDirection(!rEvent.ShiftDown());
 376                 vEventNav.SetWindowChange(rEvent.ControlDown());
 377                 vEventNav.SetEventObject(this);
 378                 if (GetParent()->GetEventHandler()->ProcessEvent(vEventNav))
 379                     return;
 380             }
 381             break;
 382     }
 383
 384     //
 385     // No, we didn't process it
 386     //
 387     rEvent.Skip();
 388 } // end of wxSpinCtrl::OnChar
 389
 390 void wxSpinCtrl::OnSpinChange(
 391   wxSpinEvent&                      rEventSpin
 392 )
 393 {
 394     wxCommandEvent                  vEvent( wxEVT_COMMAND_SPINCTRL_UPDATED
 395                                            ,GetId()
 396                                           );
 397
 398     vEvent.SetEventObject(this);
 399     vEvent.SetInt(rEventSpin.GetPosition());
 400     (void)GetEventHandler()->ProcessEvent(vEvent);
 401     if (rEventSpin.GetSkipped())
 402     {
 403         vEvent.Skip();
 404     }
 405 } // end of wxSpinCtrl::OnSpinChange
 406
 407 bool wxSpinCtrl::ProcessTextCommand(
 408   WXWORD                            wCmd
 409 , WXWORD                            wId
 410 )
 411 {
 412     switch (wCmd)
 413     {
 414         case SPBN_CHANGE:
 415         {
 416             wxCommandEvent          vEvent( wxEVT_COMMAND_TEXT_UPDATED
 417                                            ,GetId()
 418                                           );
 419             vEvent.SetEventObject(this);
 420
 421             wxString                sVal = wxGetWindowText(m_hWndBuddy);
 422
 423             vEvent.SetString((char*)sVal.c_str());
 424             vEvent.SetInt(GetValue());
 425             return (GetEventHandler()->ProcessEvent(vEvent));
 426         }
 427
 428         case SPBN_SETFOCUS:
 429         case SPBN_KILLFOCUS:
 430         {
 431             wxFocusEvent                vEvent( wCmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS : wxEVT_SET_FOCUS
 432                                                ,m_windowId
 433                                               );
 434
 435             vEvent.SetEventObject(this);
 436             return(GetEventHandler()->ProcessEvent(vEvent));
 437         }
 438         default:
 439             break;
 440     }
 441
 442     //
 443     // Not processed
 444     //
 445     return FALSE;
 446 } // end of wxSpinCtrl::ProcessTextCommand
 447
 448 void wxSpinCtrl::SetFocus()
 449 {
 450     ::WinSetFocus(HWND_DESKTOP, GetHwnd());
 451 } // end of wxSpinCtrl::SetFocus
 452
 453 bool wxSpinCtrl::SetFont(
 454   const wxFont&                     rFont
 455 )
 456 {
 457     if (!wxWindowBase::SetFont(rFont))
 458     {
 459         // nothing to do
 460         return FALSE;
 461     }
 462
 463     WXHANDLE                        hFont = GetFont().GetResourceHandle();
 464     wxOS2SetFont( m_hWnd
 465                  ,rFont
 466                 );
 467     return TRUE;
 468 } // end of wxSpinCtrl::SetFont
 469
 470 void wxSpinCtrl::SetValue(
 471   const wxString&                   rsText
 472 )
 473 {
 474     long                            lVal;
 475
 476     lVal = atol(rsText.c_str());
 477     wxSpinButton::SetValue(lVal);
 478 } // end of wxSpinCtrl::SetValue
 479
 480 bool wxSpinCtrl::Show(
 481   bool                              bShow
 482 )
 483 {
 484     if (!wxControl::Show(bShow))
 485     {
 486         return FALSE;
 487     }
 488     return TRUE;
 489 } // end of wxSpinCtrl::Show
 490
 491 void wxSpinCtrl::SetSelection (
 492   long                              lFrom
 493 , long                              lTo
 494 )
 495 {
 496     //
 497     // If from and to are both -1, it means (in wxWindows) that all text should
 498     // be selected - translate into Windows convention
 499     //
 500     if ((lFrom == -1) && (lTo == -1))
 501     {
 502         lFrom = 0;
 503     }
 504     ::WinSendMsg(m_hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), (MPARAM)0);
 505 } // end of wxSpinCtrl::SetSelection
 506
 507 #endif //wxUSE_SPINBTN