src/msw/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34     #include "wx/window.h"
  35     #include "wx/accel.h"
  36     #include "wx/setup.h"
  37     #include "wx/menu.h"
  38     #include "wx/dc.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/utils.h"
  41     #include "wx/app.h"
  42     #include "wx/layout.h"
  43     #include "wx/dialog.h"
  44     #include "wx/frame.h"
  45     #include "wx/listbox.h"
  46     #include "wx/button.h"
  47     #include "wx/msgdlg.h"
  48     #include "wx/settings.h"
  49     #include "wx/statbox.h"
  50 #endif
  51
  52 #if wxUSE_OWNER_DRAWN
  53     #include "wx/ownerdrw.h"
  54 #endif
  55
  56 #if wxUSE_DRAG_AND_DROP
  57     #include "wx/dnd.h"
  58 #endif
  59
  60 #include "wx/menuitem.h"
  61 #include "wx/log.h"
  62
  63 #include "wx/msw/private.h"
  64
  65 #if wxUSE_TOOLTIPS
  66     #include "wx/tooltip.h"
  67 #endif
  68
  69 #if wxUSE_CARET
  70     #include "wx/caret.h"
  71 #endif // wxUSE_CARET
  72
  73 #if wxUSE_SPINCTRL
  74     #include "wx/spinctrl.h"
  75 #endif // wxUSE_SPINCTRL
  76
  77 #include "wx/intl.h"
  78 #include "wx/log.h"
  79
  80 #include "wx/textctrl.h"
  81 #include "wx/notebook.h"
  82
  83 #include <string.h>
  84
  85 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  86     #include <shellapi.h>
  87     #include <mmsystem.h>
  88 #endif
  89
  90 #ifdef __WIN32__
  91     #include <windowsx.h>
  92 #endif
  93
  94 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  95     #ifdef __WIN95__
  96         #include <commctrl.h>
  97     #endif
  98 #elif !defined(__WXMICROWIN__) // broken compiler
  99     #ifndef __TWIN32__
 100         #include "wx/msw/gnuwin32/extra.h"
 101     #endif
 102 #endif
 103
 104 // This didn't appear in mingw until 2.95.2
 105 #ifndef SIF_TRACKPOS
 106 #define SIF_TRACKPOS 16
 107 #endif
 108
 109 #if wxUSE_MOUSEWHEEL
 110     #ifndef WM_MOUSEWHEEL
 111         #define WM_MOUSEWHEEL           0x020A
 112     #endif
 113     #ifndef WHEEL_DELTA
 114         #define WHEEL_DELTA             120
 115     #endif
 116     #ifndef SPI_GETWHEELSCROLLLINES
 117         #define SPI_GETWHEELSCROLLLINES 104
 118     #endif
 119 #endif
 120
 121
 122 // ---------------------------------------------------------------------------
 123 // global variables
 124 // ---------------------------------------------------------------------------
 125
 126 // the last Windows message we got (MT-UNSAFE)
 127 extern MSG s_currentMsg;
 128
 129 #if wxUSE_MENUS_NATIVE
 130 wxMenu *wxCurrentPopupMenu = NULL;
 131 #endif // wxUSE_MENUS_NATIVE
 132
 133 extern const wxChar *wxCanvasClassName;
 134
 135 // ---------------------------------------------------------------------------
 136 // private functions
 137 // ---------------------------------------------------------------------------
 138
 139 // the window proc for all our windows
 140 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 141                                    WPARAM wParam, LPARAM lParam);
 142
 143 #ifdef  __WXDEBUG__
 144     const char *wxGetMessageName(int message);
 145 #endif  //__WXDEBUG__
 146
 147 void wxRemoveHandleAssociation(wxWindowMSW *win);
 148 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 149 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 150
 151 // this magical function is used to translate VK_APPS key presses to right
 152 // mouse clicks
 153 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 154                                      int *x, int *y, WPARAM *flags);
 155
 156 // get the text metrics for the current font
 157 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 158
 159 // wrapper around BringWindowToTop() API
 160 static inline void wxBringWindowToTop(HWND hwnd)
 161 {
 162 #ifdef __WXMICROWIN__
 163     // It seems that MicroWindows brings the _parent_ of the window to the top,
 164     // which can be the wrong one.
 165
 166     // activate (set focus to) specified window
 167     ::SetFocus(hwnd);
 168
 169     // raise top level parent to top of z order
 170     ::SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
 171 #else // !__WXMICROWIN__
 172     if ( !::BringWindowToTop(hwnd) )
 173     {
 174         wxLogLastError(_T("BringWindowToTop"));
 175     }
 176 #endif // __WXMICROWIN__/!__WXMICROWIN__
 177 }
 178
 179 // ---------------------------------------------------------------------------
 180 // event tables
 181 // ---------------------------------------------------------------------------
 182
 183 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 184 // method
 185 #ifdef __WXUNIVERSAL__
 186     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 187 #else // __WXMSW__
 188     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 189 #endif // __WXUNIVERSAL__/__WXMSW__
 190
 191 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 192     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 193     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 194     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 195     EVT_IDLE(wxWindowMSW::OnIdle)
 196 END_EVENT_TABLE()
 197
 198 // ===========================================================================
 199 // implementation
 200 // ===========================================================================
 201
 202 // ---------------------------------------------------------------------------
 203 // wxWindow utility functions
 204 // ---------------------------------------------------------------------------
 205
 206 // Find an item given the MS Windows id
 207 wxWindow *wxWindowMSW::FindItem(long id) const
 208 {
 209 #if wxUSE_CONTROLS
 210     wxControl *item = wxDynamicCastThis(wxControl);
 211     if ( item )
 212     {
 213         // is it we or one of our "internal" children?
 214         if ( item->GetId() == id
 215 #ifndef __WXUNIVERSAL__
 216                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 217 #endif // __WXUNIVERSAL__
 218            )
 219         {
 220             return item;
 221         }
 222     }
 223 #endif // wxUSE_CONTROLS
 224
 225     wxWindowList::Node *current = GetChildren().GetFirst();
 226     while (current)
 227     {
 228         wxWindow *childWin = current->GetData();
 229
 230         wxWindow *wnd = childWin->FindItem(id);
 231         if ( wnd )
 232             return wnd;
 233
 234         current = current->GetNext();
 235     }
 236
 237     return NULL;
 238 }
 239
 240 // Find an item given the MS Windows handle
 241 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 242 {
 243     wxWindowList::Node *current = GetChildren().GetFirst();
 244     while (current)
 245     {
 246         wxWindow *parent = current->GetData();
 247
 248         // Do a recursive search.
 249         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 250         if ( wnd )
 251             return wnd;
 252
 253         if ( !controlOnly
 254 #if wxUSE_CONTROLS
 255                 || parent->IsKindOf(CLASSINFO(wxControl))
 256 #endif // wxUSE_CONTROLS
 257            )
 258         {
 259             wxWindow *item = current->GetData();
 260             if ( item->GetHWND() == hWnd )
 261                 return item;
 262             else
 263             {
 264                 if ( item->ContainsHWND(hWnd) )
 265                     return item;
 266             }
 267         }
 268
 269         current = current->GetNext();
 270     }
 271     return NULL;
 272 }
 273
 274 // Default command handler
 275 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 276 {
 277     return FALSE;
 278 }
 279
 280 // ----------------------------------------------------------------------------
 281 // constructors and such
 282 // ----------------------------------------------------------------------------
 283
 284 void wxWindowMSW::Init()
 285 {
 286     // generic
 287     InitBase();
 288
 289     // MSW specific
 290     m_doubleClickAllowed = 0;
 291
 292     m_isBeingDeleted = FALSE;
 293     m_oldWndProc = 0;
 294     m_useCtl3D = FALSE;
 295     m_mouseInWindow = FALSE;
 296
 297     // wxWnd
 298     m_hMenu = 0;
 299
 300     m_hWnd = 0;
 301
 302     // pass WM_GETDLGCODE to DefWindowProc()
 303     m_lDlgCode = 0;
 304
 305     m_xThumbSize = 0;
 306     m_yThumbSize = 0;
 307     m_backgroundTransparent = FALSE;
 308
 309     // as all windows are created with WS_VISIBLE style...
 310     m_isShown = TRUE;
 311
 312 #if wxUSE_MOUSEEVENT_HACK
 313     m_lastMouseX =
 314     m_lastMouseY = -1;
 315     m_lastMouseEvent = -1;
 316 #endif // wxUSE_MOUSEEVENT_HACK
 317 }
 318
 319 // Destructor
 320 wxWindowMSW::~wxWindowMSW()
 321 {
 322     m_isBeingDeleted = TRUE;
 323
 324     MSWDetachWindowMenu();
 325
 326     // VS: make sure there's no wxFrame with last focus set to us:
 327     for (wxWindow *win = GetParent(); win; win = win->GetParent())
 328     {
 329         wxFrame *frame = wxDynamicCast(win, wxFrame);
 330         if ( frame )
 331         {
 332             if ( frame->GetLastFocus() == this )
 333                 frame->SetLastFocus((wxWindow*)NULL);
 334             break;
 335         }
 336     }
 337
 338     // VS: destroy children first and _then_ detach *this from its parent.
 339     //     If we'd do it the other way around, children wouldn't be able
 340     //     find their parent frame (see above).
 341     DestroyChildren();
 342
 343     if ( m_parent )
 344         m_parent->RemoveChild(this);
 345
 346     if ( m_hWnd )
 347     {
 348         // VZ: test temp removed to understand what really happens here
 349         //if (::IsWindow(GetHwnd()))
 350         {
 351             if ( !::DestroyWindow(GetHwnd()) )
 352                 wxLogLastError(wxT("DestroyWindow"));
 353         }
 354
 355         // remove hWnd <-> wxWindow association
 356         wxRemoveHandleAssociation(this);
 357     }
 358 }
 359
 360 // real construction (Init() must have been called before!)
 361 bool wxWindowMSW::Create(wxWindow *parent,
 362                          wxWindowID id,
 363                          const wxPoint& pos,
 364                          const wxSize& size,
 365                          long style,
 366                          const wxString& name)
 367 {
 368     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 369
 370 #if wxUSE_STATBOX
 371     // wxGTK doesn't allow to create controls with static box as the parent so
 372     // this will result in a crash when the program is ported to wxGTK - warn
 373     // about it
 374     //
 375     // the correct solution is to create the controls as siblings of the
 376     // static box
 377     wxASSERT_MSG( !wxDynamicCastThis(wxStaticBox),
 378                   _T("wxStaticBox can't be used as a window parent!") );
 379 #endif // wxUSE_STATBOX
 380
 381     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 382         return FALSE;
 383
 384     parent->AddChild(this);
 385
 386     // all windows are created visible
 387     DWORD msflags = WS_CHILD | WS_VISIBLE;
 388
 389 #ifdef __WXUNIVERSAL__
 390     // no 3d effects, we draw them ourselves
 391     WXDWORD exStyle = 0;
 392 #else // !wxUniversal
 393     if ( style & wxCLIP_CHILDREN )
 394         msflags |= WS_CLIPCHILDREN;
 395     if ( style & wxCLIP_SIBLINGS )
 396         msflags |= WS_CLIPSIBLINGS;
 397
 398     bool want3D;
 399     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 400
 401     // Even with extended styles, need to combine with WS_BORDER
 402     // for them to look right.
 403     if ( want3D ||
 404         (m_windowStyle & (wxBORDER |
 405                           wxSIMPLE_BORDER |
 406                           wxRAISED_BORDER |
 407                           wxSUNKEN_BORDER |
 408                           wxDOUBLE_BORDER)) )
 409     {
 410         msflags |= WS_BORDER;
 411     }
 412
 413     // calculate the value to return from WM_GETDLGCODE handler
 414     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 415     {
 416         // want everything: i.e. all keys and WM_CHAR message
 417         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 418                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 419     }
 420 #endif // wxUniversal/!wxUniversal
 421
 422     if ( style & wxPOPUP_WINDOW )
 423     {
 424         // a popup window floats on top of everything
 425         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 426
 427         // it is also created hidden as other top level windows
 428         msflags &= ~WS_VISIBLE;
 429         m_isShown = FALSE;
 430     }
 431
 432     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 433                      (wxWindow *)this, NULL,
 434                      pos.x, pos.y,
 435                      WidthDefault(size.x), HeightDefault(size.y),
 436                      msflags, NULL, exStyle);
 437 }
 438
 439 // ---------------------------------------------------------------------------
 440 // basic operations
 441 // ---------------------------------------------------------------------------
 442
 443 void wxWindowMSW::SetFocus()
 444 {
 445     HWND hWnd = GetHwnd();
 446     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 447
 448 #ifndef __WXMICROWIN__
 449     ::SetLastError(0);
 450 #endif
 451
 452     if ( !::SetFocus(hWnd) )
 453     {
 454         // was there really an error?
 455 #ifndef __WXMICROWIN__
 456         DWORD dwRes = ::GetLastError();
 457 #else
 458
 459         DWORD dwRes = 0;
 460 #endif
 461         if ( dwRes )
 462         {
 463             wxLogApiError(_T("SetFocus"), dwRes);
 464         }
 465
 466         // VZ: just why does this happen sometimes?? any idea?
 467 #if 0
 468         HWND hwndFocus = ::GetFocus();
 469         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 470 #endif // 0
 471     }
 472 }
 473
 474 // Get the window with the focus
 475 wxWindow *wxWindowBase::FindFocus()
 476 {
 477     HWND hWnd = ::GetFocus();
 478     if ( hWnd )
 479     {
 480         return wxGetWindowFromHWND((WXHWND)hWnd);
 481     }
 482
 483     return NULL;
 484 }
 485
 486 bool wxWindowMSW::Enable(bool enable)
 487 {
 488     if ( !wxWindowBase::Enable(enable) )
 489         return FALSE;
 490
 491     HWND hWnd = GetHwnd();
 492     if ( hWnd )
 493         ::EnableWindow(hWnd, (BOOL)enable);
 494
 495     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 496     //     disabled controls and disable it - you really wouldn't like the
 497     //     disabled controls be reenabled too when you reenable the dialog!
 498 #if 0
 499     wxWindowList::Node *node = GetChildren().GetFirst();
 500     while ( node )
 501     {
 502         wxWindow *child = node->GetData();
 503         child->Enable(enable);
 504
 505         node = node->GetNext();
 506     }
 507 #endif // 0
 508
 509     return TRUE;
 510 }
 511
 512 bool wxWindowMSW::Show(bool show)
 513 {
 514     if ( !wxWindowBase::Show(show) )
 515         return FALSE;
 516
 517     HWND hWnd = GetHwnd();
 518     int cshow = show ? SW_SHOW : SW_HIDE;
 519     ::ShowWindow(hWnd, cshow);
 520
 521     if ( show )
 522     {
 523         wxBringWindowToTop(hWnd);
 524     }
 525
 526     return TRUE;
 527 }
 528
 529 // Raise the window to the top of the Z order
 530 void wxWindowMSW::Raise()
 531 {
 532     wxBringWindowToTop(GetHwnd());
 533 }
 534
 535 // Lower the window to the bottom of the Z order
 536 void wxWindowMSW::Lower()
 537 {
 538     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 539                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 540 }
 541
 542 void wxWindowMSW::SetTitle( const wxString& title)
 543 {
 544     SetWindowText(GetHwnd(), title.c_str());
 545 }
 546
 547 wxString wxWindowMSW::GetTitle() const
 548 {
 549     return wxGetWindowText(GetHWND());
 550 }
 551
 552 void wxWindowMSW::CaptureMouse()
 553 {
 554     HWND hWnd = GetHwnd();
 555     if ( hWnd )
 556     {
 557         ::SetCapture(hWnd);
 558     }
 559 }
 560
 561 void wxWindowMSW::ReleaseMouse()
 562 {
 563     if ( !::ReleaseCapture() )
 564     {
 565         wxLogLastError(_T("ReleaseCapture"));
 566     }
 567 }
 568
 569 /* static */ wxWindow *wxWindowBase::GetCapture()
 570 {
 571     HWND hwnd = ::GetCapture();
 572     return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
 573 }
 574
 575 bool wxWindowMSW::SetFont(const wxFont& font)
 576 {
 577     if ( !wxWindowBase::SetFont(font) )
 578     {
 579         // nothing to do
 580         return FALSE;
 581     }
 582
 583     HWND hWnd = GetHwnd();
 584     if ( hWnd != 0 )
 585     {
 586         WXHANDLE hFont = m_font.GetResourceHandle();
 587
 588         wxASSERT_MSG( hFont, wxT("should have valid font") );
 589
 590         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 591     }
 592
 593     return TRUE;
 594 }
 595 bool wxWindowMSW::SetCursor(const wxCursor& cursor)
 596 {
 597     if ( !wxWindowBase::SetCursor(cursor) )
 598     {
 599         // no change
 600         return FALSE;
 601     }
 602
 603     if ( m_cursor.Ok() )
 604     {
 605         HWND hWnd = GetHwnd();
 606
 607         // Change the cursor NOW if we're within the correct window
 608         POINT point;
 609         ::GetCursorPos(&point);
 610
 611         RECT rect;
 612         ::GetWindowRect(hWnd, &rect);
 613
 614         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 615             ::SetCursor(GetHcursorOf(m_cursor));
 616     }
 617
 618     return TRUE;
 619 }
 620
 621 void wxWindowMSW::WarpPointer (int x, int y)
 622 {
 623     ClientToScreen(&x, &y);
 624
 625     if ( !::SetCursorPos(x, y) )
 626     {
 627         wxLogLastError(_T("SetCursorPos"));
 628     }
 629 }
 630
 631 #if WXWIN_COMPATIBILITY
 632 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 633 {
 634 }
 635 #endif // WXWIN_COMPATIBILITY
 636
 637 // ---------------------------------------------------------------------------
 638 // scrolling stuff
 639 // ---------------------------------------------------------------------------
 640
 641 #if WXWIN_COMPATIBILITY
 642 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 643 {
 644 #if defined(__WIN95__)
 645
 646     int range1 = range;
 647
 648     // Try to adjust the range to cope with page size > 1
 649     // - a Windows API quirk
 650     int pageSize = GetScrollPage(orient);
 651     if ( pageSize > 1 && range > 0)
 652     {
 653         range1 += (pageSize - 1);
 654     }
 655
 656     SCROLLINFO info;
 657     int dir;
 658
 659     if ( orient == wxHORIZONTAL ) {
 660         dir = SB_HORZ;
 661     } else {
 662         dir = SB_VERT;
 663     }
 664
 665     info.cbSize = sizeof(SCROLLINFO);
 666     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 667     info.nMin = 0;
 668     info.nMax = range1;
 669     info.nPos = 0;
 670     info.fMask = SIF_RANGE | SIF_PAGE;
 671
 672     HWND hWnd = GetHwnd();
 673     if ( hWnd )
 674         ::SetScrollInfo(hWnd, dir, &info, refresh);
 675 #else
 676     int wOrient;
 677     if ( orient == wxHORIZONTAL )
 678         wOrient = SB_HORZ;
 679     else
 680         wOrient = SB_VERT;
 681
 682     HWND hWnd = GetHwnd();
 683     if ( hWnd )
 684         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 685 #endif
 686 }
 687
 688 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 689 {
 690 #if defined(__WIN95__)
 691     SCROLLINFO info;
 692     int dir;
 693
 694     if ( orient == wxHORIZONTAL ) {
 695         dir = SB_HORZ;
 696         m_xThumbSize = page;
 697     } else {
 698         dir = SB_VERT;
 699         m_yThumbSize = page;
 700     }
 701
 702     info.cbSize = sizeof(SCROLLINFO);
 703     info.nPage = page;
 704     info.nMin = 0;
 705     info.fMask = SIF_PAGE;
 706
 707     HWND hWnd = GetHwnd();
 708     if ( hWnd )
 709         ::SetScrollInfo(hWnd, dir, &info, refresh);
 710 #else
 711     if ( orient == wxHORIZONTAL )
 712         m_xThumbSize = page;
 713     else
 714         m_yThumbSize = page;
 715 #endif
 716 }
 717
 718 int wxWindowMSW::OldGetScrollRange(int orient) const
 719 {
 720     int wOrient;
 721     if ( orient == wxHORIZONTAL )
 722         wOrient = SB_HORZ;
 723     else
 724         wOrient = SB_VERT;
 725
 726 #if __WATCOMC__ && defined(__WINDOWS_386__)
 727     short minPos, maxPos;
 728 #else
 729     int minPos, maxPos;
 730 #endif
 731     HWND hWnd = GetHwnd();
 732     if ( hWnd )
 733     {
 734         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 735 #if defined(__WIN95__)
 736         // Try to adjust the range to cope with page size > 1
 737         // - a Windows API quirk
 738         int pageSize = GetScrollPage(orient);
 739         if ( pageSize > 1 )
 740         {
 741             maxPos -= (pageSize - 1);
 742         }
 743 #endif
 744         return maxPos;
 745     }
 746     else
 747         return 0;
 748 }
 749
 750 int wxWindowMSW::GetScrollPage(int orient) const
 751 {
 752     if ( orient == wxHORIZONTAL )
 753         return m_xThumbSize;
 754     else
 755         return m_yThumbSize;
 756 }
 757
 758 #endif // WXWIN_COMPATIBILITY
 759
 760 inline int GetScrollPosition(HWND hWnd, int wOrient)
 761 {
 762 #ifdef __WXMICROWIN__
 763     return ::GetScrollPosWX(hWnd, wOrient);
 764 #else
 765     return ::GetScrollPos(hWnd, wOrient);
 766 #endif
 767 }
 768
 769 int wxWindowMSW::GetScrollPos(int orient) const
 770 {
 771     int wOrient;
 772     if ( orient == wxHORIZONTAL )
 773         wOrient = SB_HORZ;
 774     else
 775         wOrient = SB_VERT;
 776
 777     HWND hWnd = GetHwnd();
 778     wxCHECK_MSG( hWnd, 0, _T("no HWND in GetScrollPos") );
 779
 780     return GetScrollPosition(hWnd, wOrient);
 781 }
 782
 783 // This now returns the whole range, not just the number
 784 // of positions that we can scroll.
 785 int wxWindowMSW::GetScrollRange(int orient) const
 786 {
 787     int wOrient;
 788     if ( orient == wxHORIZONTAL )
 789         wOrient = SB_HORZ;
 790     else
 791         wOrient = SB_VERT;
 792
 793 #if __WATCOMC__ && defined(__WINDOWS_386__)
 794     short minPos, maxPos;
 795 #else
 796     int minPos, maxPos;
 797 #endif
 798     HWND hWnd = GetHwnd();
 799     if ( hWnd )
 800     {
 801         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 802 #if defined(__WIN95__)
 803         // Try to adjust the range to cope with page size > 1
 804         // - a Windows API quirk
 805         int pageSize = GetScrollThumb(orient);
 806         if ( pageSize > 1 )
 807         {
 808             maxPos -= (pageSize - 1);
 809         }
 810         // October 10th: new range concept.
 811         maxPos += pageSize;
 812 #endif
 813
 814         return maxPos;
 815     }
 816     else
 817         return 0;
 818 }
 819
 820 int wxWindowMSW::GetScrollThumb(int orient) const
 821 {
 822     if ( orient == wxHORIZONTAL )
 823         return m_xThumbSize;
 824     else
 825         return m_yThumbSize;
 826 }
 827
 828 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 829 {
 830 #if defined(__WIN95__)
 831     SCROLLINFO info;
 832     int dir;
 833
 834     if ( orient == wxHORIZONTAL ) {
 835         dir = SB_HORZ;
 836     } else {
 837         dir = SB_VERT;
 838     }
 839
 840     info.cbSize = sizeof(SCROLLINFO);
 841     info.nPage = 0;
 842     info.nMin = 0;
 843     info.nPos = pos;
 844     info.fMask = SIF_POS;
 845
 846     HWND hWnd = GetHwnd();
 847     if ( hWnd )
 848         ::SetScrollInfo(hWnd, dir, &info, refresh);
 849 #else
 850     int wOrient;
 851     if ( orient == wxHORIZONTAL )
 852         wOrient = SB_HORZ;
 853     else
 854         wOrient = SB_VERT;
 855
 856     HWND hWnd = GetHwnd();
 857     if ( hWnd )
 858         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 859 #endif
 860 }
 861
 862 // New function that will replace some of the above.
 863 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 864                             int range, bool refresh)
 865 {
 866 #if defined(__WIN95__)
 867     int oldRange = range - thumbVisible;
 868
 869     int range1 = oldRange;
 870
 871     // Try to adjust the range to cope with page size > 1
 872     // - a Windows API quirk
 873     int pageSize = thumbVisible;
 874     if ( pageSize > 1 && range > 0)
 875     {
 876         range1 += (pageSize - 1);
 877     }
 878
 879     SCROLLINFO info;
 880     int dir;
 881
 882     if ( orient == wxHORIZONTAL ) {
 883         dir = SB_HORZ;
 884     } else {
 885         dir = SB_VERT;
 886     }
 887
 888     info.cbSize = sizeof(SCROLLINFO);
 889     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 890     info.nMin = 0;
 891     info.nMax = range1;
 892     info.nPos = pos;
 893     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 894
 895     HWND hWnd = GetHwnd();
 896     if ( hWnd )
 897         ::SetScrollInfo(hWnd, dir, &info, refresh);
 898 #else
 899     int wOrient;
 900     if ( orient == wxHORIZONTAL )
 901         wOrient = SB_HORZ;
 902     else
 903         wOrient = SB_VERT;
 904
 905     HWND hWnd = GetHwnd();
 906     if ( hWnd )
 907     {
 908         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 909         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 910     }
 911 #endif
 912     if ( orient == wxHORIZONTAL ) {
 913         m_xThumbSize = thumbVisible;
 914     } else {
 915         m_yThumbSize = thumbVisible;
 916     }
 917 }
 918
 919 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 920 {
 921     RECT rect;
 922     if ( prect )
 923     {
 924         rect.left = prect->x;
 925         rect.top = prect->y;
 926         rect.right = prect->x + prect->width;
 927         rect.bottom = prect->y + prect->height;
 928     }
 929
 930     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 931 }
 932
 933 static bool ScrollVertically(HWND hwnd, int kind, int count)
 934 {
 935     int posStart = GetScrollPosition(hwnd, SB_VERT);
 936
 937     int pos = posStart;
 938     for ( int n = 0; n < count; n++ )
 939     {
 940         ::SendMessage(hwnd, WM_VSCROLL, kind, 0);
 941
 942         int posNew = GetScrollPosition(hwnd, SB_VERT);
 943         if ( posNew == pos )
 944         {
 945             // don't bother to continue, we're already at top/bottom
 946             break;
 947         }
 948
 949         pos = posNew;
 950     }
 951
 952     return pos != posStart;
 953 }
 954
 955 bool wxWindowMSW::ScrollLines(int lines)
 956 {
 957     bool down = lines > 0;
 958
 959     return ScrollVertically(GetHwnd(),
 960                             down ? SB_LINEDOWN : SB_LINEUP,
 961                             down ? lines : -lines);
 962 }
 963
 964 bool wxWindowMSW::ScrollPages(int pages)
 965 {
 966     bool down = pages > 0;
 967
 968     return ScrollVertically(GetHwnd(),
 969                             down ? SB_PAGEDOWN : SB_PAGEUP,
 970                             down ? pages : -pages);
 971 }
 972
 973 // ---------------------------------------------------------------------------
 974 // subclassing
 975 // ---------------------------------------------------------------------------
 976
 977 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 978 {
 979     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 980
 981     HWND hwnd = (HWND)hWnd;
 982     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 983
 984     wxAssociateWinWithHandle(hwnd, this);
 985
 986     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 987
 988     wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc );
 989
 990     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 991 }
 992
 993 void wxWindowMSW::UnsubclassWin()
 994 {
 995     wxRemoveHandleAssociation(this);
 996
 997     // Restore old Window proc
 998     HWND hwnd = GetHwnd();
 999     if ( hwnd )
1000     {
1001         m_hWnd = 0;
1002
1003         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
1004
1005         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
1006         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
1007         {
1008             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
1009             m_oldWndProc = 0;
1010         }
1011     }
1012 }
1013
1014 // Make a Windows extended style from the given wxWindows window style
1015 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
1016 {
1017     WXDWORD exStyle = 0;
1018     if ( style & wxTRANSPARENT_WINDOW )
1019         exStyle |= WS_EX_TRANSPARENT;
1020
1021     if ( !eliminateBorders )
1022     {
1023         if ( style & wxSUNKEN_BORDER )
1024             exStyle |= WS_EX_CLIENTEDGE;
1025         if ( style & wxDOUBLE_BORDER )
1026             exStyle |= WS_EX_DLGMODALFRAME;
1027 #if defined(__WIN95__)
1028         if ( style & wxRAISED_BORDER )
1029             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
1030             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
1031         if ( style & wxSTATIC_BORDER )
1032             exStyle |= WS_EX_STATICEDGE;
1033 #endif
1034     }
1035     return exStyle;
1036 }
1037
1038 // Determines whether native 3D effects or CTL3D should be used,
1039 // applying a default border style if required, and returning an extended
1040 // style to pass to CreateWindowEx.
1041 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
1042                                      bool *want3D) const
1043 {
1044     // If matches certain criteria, then assume no 3D effects
1045     // unless specifically requested (dealt with in MakeExtendedStyle)
1046     if ( !GetParent()
1047 #if wxUSE_CONTROLS
1048             || !IsKindOf(CLASSINFO(wxControl))
1049 #endif // wxUSE_CONTROLS
1050             || (m_windowStyle & wxNO_BORDER) )
1051     {
1052         *want3D = FALSE;
1053         return MakeExtendedStyle(m_windowStyle, FALSE);
1054     }
1055
1056     // Determine whether we should be using 3D effects or not.
1057     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
1058
1059     // 1) App can specify global 3D effects
1060     *want3D = wxTheApp->GetAuto3D();
1061
1062     // 2) If the parent is being drawn with user colours, or simple border specified,
1063     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
1064     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
1065         *want3D = FALSE;
1066
1067     // 3) Control can override this global setting by defining
1068     // a border style, e.g. wxSUNKEN_BORDER
1069     if ( m_windowStyle & wxSUNKEN_BORDER  )
1070         *want3D = TRUE;
1071
1072     // 4) If it's a special border, CTL3D can't cope so we want a native border
1073     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1074         (m_windowStyle & wxSTATIC_BORDER) )
1075     {
1076         *want3D = TRUE;
1077         nativeBorder = TRUE;
1078     }
1079
1080     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1081     // effects from extended style
1082 #if wxUSE_CTL3D
1083     if ( *want3D )
1084         nativeBorder = FALSE;
1085 #endif
1086
1087     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1088
1089     // If we want 3D, but haven't specified a border here,
1090     // apply the default border style specified.
1091     // TODO what about non-Win95 WIN32? Does it have borders?
1092 #if defined(__WIN95__) && !wxUSE_CTL3D
1093     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1094         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1095         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1096 #endif
1097
1098     return exStyle;
1099 }
1100
1101 #if WXWIN_COMPATIBILITY
1102 // If nothing defined for this, try the parent.
1103 // E.g. we may be a button loaded from a resource, with no callback function
1104 // defined.
1105 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1106 {
1107     if ( GetEventHandler()->ProcessEvent(event)  )
1108         return;
1109     if ( m_parent )
1110         m_parent->GetEventHandler()->OnCommand(win, event);
1111 }
1112 #endif // WXWIN_COMPATIBILITY_2
1113
1114 #if WXWIN_COMPATIBILITY
1115 wxObject* wxWindowMSW::GetChild(int number) const
1116 {
1117     // Return a pointer to the Nth object in the Panel
1118     wxNode *node = GetChildren().First();
1119     int n = number;
1120     while (node && n--)
1121         node = node->Next();
1122     if ( node )
1123     {
1124         wxObject *obj = (wxObject *)node->Data();
1125         return(obj);
1126     }
1127     else
1128         return NULL;
1129 }
1130 #endif // WXWIN_COMPATIBILITY
1131
1132 // Setup background and foreground colours correctly
1133 void wxWindowMSW::SetupColours()
1134 {
1135     if ( GetParent() )
1136         SetBackgroundColour(GetParent()->GetBackgroundColour());
1137 }
1138
1139 bool wxWindowMSW::IsMouseInWindow() const
1140 {
1141     // get the mouse position
1142     POINT pt;
1143     ::GetCursorPos(&pt);
1144
1145     // find the window which currently has the cursor and go up the window
1146     // chain until we find this window - or exhaust it
1147     HWND hwnd = ::WindowFromPoint(pt);
1148     while ( hwnd && (hwnd != GetHwnd()) )
1149         hwnd = ::GetParent(hwnd);
1150
1151     return hwnd != NULL;
1152 }
1153
1154 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1155 {
1156     // Check if we need to send a LEAVE event
1157     if ( m_mouseInWindow )
1158     {
1159         if ( !IsMouseInWindow() )
1160         {
1161             // Generate a LEAVE event
1162             m_mouseInWindow = FALSE;
1163
1164             // Unfortunately the mouse button and keyboard state may have
1165             // changed by the time the OnIdle function is called, so 'state'
1166             // may be meaningless.
1167             int state = 0;
1168             if ( wxIsShiftDown() )
1169                 state |= MK_SHIFT;
1170             if ( wxIsCtrlDown() )
1171                 state |= MK_CONTROL;
1172             if ( GetKeyState( VK_LBUTTON ) )
1173                 state |= MK_LBUTTON;
1174             if ( GetKeyState( VK_MBUTTON ) )
1175                 state |= MK_MBUTTON;
1176             if ( GetKeyState( VK_RBUTTON ) )
1177                 state |= MK_RBUTTON;
1178
1179             POINT pt;
1180             if ( !::GetCursorPos(&pt) )
1181             {
1182                 wxLogLastError(_T("GetCursorPos"));
1183             }
1184
1185             // we need to have client coordinates here for symmetry with
1186             // wxEVT_ENTER_WINDOW
1187             RECT rect;
1188             if ( !::GetWindowRect(GetHwnd(), &rect) )
1189             {
1190                 wxLogLastError(_T("GetWindowRect"));
1191             }
1192             pt.x -= rect.left;
1193             pt.y -= rect.top;
1194
1195             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1196             InitMouseEvent(event2, pt.x, pt.y, state);
1197
1198             (void)GetEventHandler()->ProcessEvent(event2);
1199         }
1200     }
1201
1202     UpdateWindowUI();
1203 }
1204
1205 // Set this window to be the child of 'parent'.
1206 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1207 {
1208     if ( !wxWindowBase::Reparent(parent) )
1209         return FALSE;
1210
1211     HWND hWndChild = GetHwnd();
1212     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1213
1214     ::SetParent(hWndChild, hWndParent);
1215
1216     return TRUE;
1217 }
1218
1219 void wxWindowMSW::Clear()
1220 {
1221     wxClientDC dc((wxWindow *)this);
1222     wxBrush brush(GetBackgroundColour(), wxSOLID);
1223     dc.SetBackground(brush);
1224     dc.Clear();
1225 }
1226
1227 static inline void SendSetRedraw(HWND hwnd, bool on)
1228 {
1229     ::SendMessage(hwnd, WM_SETREDRAW, (WPARAM)on, 0);
1230 }
1231
1232 void wxWindowMSW::Freeze()
1233 {
1234     SendSetRedraw(GetHwnd(), FALSE);
1235 }
1236
1237 void wxWindowMSW::Thaw()
1238 {
1239     SendSetRedraw(GetHwnd(), TRUE);
1240
1241     // we need to refresh everything or otherwise he invalidated area is not
1242     // repainted
1243     Refresh();
1244 }
1245
1246 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1247 {
1248     HWND hWnd = GetHwnd();
1249     if ( hWnd )
1250     {
1251         if ( rect )
1252         {
1253             RECT mswRect;
1254             mswRect.left = rect->x;
1255             mswRect.top = rect->y;
1256             mswRect.right = rect->x + rect->width;
1257             mswRect.bottom = rect->y + rect->height;
1258
1259             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1260         }
1261         else
1262             ::InvalidateRect(hWnd, NULL, eraseBack);
1263     }
1264 }
1265
1266 void wxWindowMSW::Update()
1267 {
1268     if ( !::UpdateWindow(GetHwnd()) )
1269     {
1270         wxLogLastError(_T("UpdateWindow"));
1271     }
1272
1273 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1274     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1275     // handler needs to be really drawn right now
1276     (void)::GdiFlush();
1277 #endif // __WIN32__
1278 }
1279
1280 // ---------------------------------------------------------------------------
1281 // drag and drop
1282 // ---------------------------------------------------------------------------
1283
1284 #if wxUSE_DRAG_AND_DROP
1285
1286 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1287 {
1288     if ( m_dropTarget != 0 ) {
1289         m_dropTarget->Revoke(m_hWnd);
1290         delete m_dropTarget;
1291     }
1292
1293     m_dropTarget = pDropTarget;
1294     if ( m_dropTarget != 0 )
1295         m_dropTarget->Register(m_hWnd);
1296 }
1297
1298 #endif // wxUSE_DRAG_AND_DROP
1299
1300 // old style file-manager drag&drop support: we retain the old-style
1301 // DragAcceptFiles in parallel with SetDropTarget.
1302 void wxWindowMSW::DragAcceptFiles(bool accept)
1303 {
1304     HWND hWnd = GetHwnd();
1305     if ( hWnd )
1306         ::DragAcceptFiles(hWnd, (BOOL)accept);
1307 }
1308
1309 // ----------------------------------------------------------------------------
1310 // tooltips
1311 // ----------------------------------------------------------------------------
1312
1313 #if wxUSE_TOOLTIPS
1314
1315 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1316 {
1317     wxWindowBase::DoSetToolTip(tooltip);
1318
1319     if ( m_tooltip )
1320         m_tooltip->SetWindow(this);
1321 }
1322
1323 #endif // wxUSE_TOOLTIPS
1324
1325 // ---------------------------------------------------------------------------
1326 // moving and resizing
1327 // ---------------------------------------------------------------------------
1328
1329 // Get total size
1330 void wxWindowMSW::DoGetSize(int *x, int *y) const
1331 {
1332     HWND hWnd = GetHwnd();
1333     RECT rect;
1334 #ifdef __WIN16__
1335     ::GetWindowRect(hWnd, &rect);
1336 #else
1337     if ( !::GetWindowRect(hWnd, &rect) )
1338     {
1339         wxLogLastError(_T("GetWindowRect"));
1340     }
1341 #endif
1342     if ( x )
1343         *x = rect.right - rect.left;
1344     if ( y )
1345         *y = rect.bottom - rect.top;
1346 }
1347
1348 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1349 {
1350     HWND hWnd = GetHwnd();
1351
1352     RECT rect;
1353     GetWindowRect(hWnd, &rect);
1354
1355     POINT point;
1356     point.x = rect.left;
1357     point.y = rect.top;
1358
1359     // we do the adjustments with respect to the parent only for the "real"
1360     // children, not for the dialogs/frames
1361     if ( !IsTopLevel() )
1362     {
1363         HWND hParentWnd = 0;
1364         wxWindow *parent = GetParent();
1365         if ( parent )
1366             hParentWnd = GetWinHwnd(parent);
1367
1368         // Since we now have the absolute screen coords, if there's a parent we
1369         // must subtract its top left corner
1370         if ( hParentWnd )
1371         {
1372             ::ScreenToClient(hParentWnd, &point);
1373         }
1374
1375         if ( parent )
1376         {
1377             // We may be faking the client origin. So a window that's really at (0,
1378             // 30) may appear (to wxWin apps) to be at (0, 0).
1379             wxPoint pt(parent->GetClientAreaOrigin());
1380             point.x -= pt.x;
1381             point.y -= pt.y;
1382         }
1383     }
1384
1385     if ( x )
1386         *x = point.x;
1387     if ( y )
1388         *y = point.y;
1389 }
1390
1391 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1392 {
1393     POINT pt;
1394     if ( x )
1395         pt.x = *x;
1396     if ( y )
1397         pt.y = *y;
1398
1399     HWND hWnd = GetHwnd();
1400     ::ScreenToClient(hWnd, &pt);
1401
1402     if ( x )
1403         *x = pt.x;
1404     if ( y )
1405         *y = pt.y;
1406 }
1407
1408 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1409 {
1410     POINT pt;
1411     if ( x )
1412         pt.x = *x;
1413     if ( y )
1414         pt.y = *y;
1415
1416     HWND hWnd = GetHwnd();
1417     ::ClientToScreen(hWnd, &pt);
1418
1419     if ( x )
1420         *x = pt.x;
1421     if ( y )
1422         *y = pt.y;
1423 }
1424
1425 // Get size *available for subwindows* i.e. excluding menu bar etc.
1426 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1427 {
1428     HWND hWnd = GetHwnd();
1429     RECT rect;
1430     ::GetClientRect(hWnd, &rect);
1431     if ( x )
1432         *x = rect.right;
1433     if ( y )
1434         *y = rect.bottom;
1435 }
1436
1437 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1438 {
1439     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1440     {
1441         wxLogLastError(wxT("MoveWindow"));
1442     }
1443 }
1444
1445 // set the size of the window: if the dimensions are positive, just use them,
1446 // but if any of them is equal to -1, it means that we must find the value for
1447 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1448 // which case -1 is a valid value for x and y)
1449 //
1450 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1451 // the width/height to best suit our contents, otherwise we reuse the current
1452 // width/height
1453 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1454 {
1455     // get the current size and position...
1456     int currentX, currentY;
1457     GetPosition(&currentX, &currentY);
1458     int currentW,currentH;
1459     GetSize(&currentW, &currentH);
1460
1461     // ... and don't do anything (avoiding flicker) if it's already ok
1462     if ( x == currentX && y == currentY &&
1463          width == currentW && height == currentH )
1464     {
1465         return;
1466     }
1467
1468     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1469         x = currentX;
1470     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1471         y = currentY;
1472
1473     AdjustForParentClientOrigin(x, y, sizeFlags);
1474
1475     wxSize size(-1, -1);
1476     if ( width == -1 )
1477     {
1478         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1479         {
1480             size = DoGetBestSize();
1481             width = size.x;
1482         }
1483         else
1484         {
1485             // just take the current one
1486             width = currentW;
1487         }
1488     }
1489
1490     if ( height == -1 )
1491     {
1492         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1493         {
1494             if ( size.x == -1 )
1495             {
1496                 size = DoGetBestSize();
1497             }
1498             //else: already called DoGetBestSize() above
1499
1500             height = size.y;
1501         }
1502         else
1503         {
1504             // just take the current one
1505             height = currentH;
1506         }
1507     }
1508
1509     DoMoveWindow(x, y, width, height);
1510 }
1511
1512 void wxWindowMSW::DoSetClientSize(int width, int height)
1513 {
1514     wxWindow *parent = GetParent();
1515     HWND hWnd = GetHwnd();
1516     HWND hParentWnd = (HWND) 0;
1517     if ( parent )
1518         hParentWnd = (HWND) parent->GetHWND();
1519
1520     RECT rect;
1521     ::GetClientRect(hWnd, &rect);
1522
1523     RECT rect2;
1524     GetWindowRect(hWnd, &rect2);
1525
1526     // Find the difference between the entire window (title bar and all)
1527     // and the client area; add this to the new client size to move the
1528     // window
1529     int actual_width = rect2.right - rect2.left - rect.right + width;
1530     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1531
1532     // If there's a parent, must subtract the parent's top left corner
1533     // since MoveWindow moves relative to the parent
1534
1535     POINT point;
1536     point.x = rect2.left;
1537     point.y = rect2.top;
1538     if ( parent )
1539     {
1540         ::ScreenToClient(hParentWnd, &point);
1541     }
1542
1543     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1544
1545     wxSizeEvent event(wxSize(width, height), m_windowId);
1546     event.SetEventObject(this);
1547     GetEventHandler()->ProcessEvent(event);
1548 }
1549
1550 // For implementation purposes - sometimes decorations make the client area
1551 // smaller
1552 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1553 {
1554     return wxPoint(0, 0);
1555 }
1556
1557 // ---------------------------------------------------------------------------
1558 // text metrics
1559 // ---------------------------------------------------------------------------
1560
1561 int wxWindowMSW::GetCharHeight() const
1562 {
1563     return wxGetTextMetrics(this).tmHeight;
1564 }
1565
1566 int wxWindowMSW::GetCharWidth() const
1567 {
1568     // +1 is needed because Windows apparently adds it when calculating the
1569     // dialog units size in pixels
1570 #if wxDIALOG_UNIT_COMPATIBILITY
1571     return wxGetTextMetrics(this).tmAveCharWidth;
1572 #else
1573     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1574 #endif
1575 }
1576
1577 void wxWindowMSW::GetTextExtent(const wxString& string,
1578                              int *x, int *y,
1579                              int *descent, int *externalLeading,
1580                              const wxFont *theFont) const
1581 {
1582     const wxFont *fontToUse = theFont;
1583     if ( !fontToUse )
1584         fontToUse = &m_font;
1585
1586     HWND hWnd = GetHwnd();
1587     HDC dc = ::GetDC(hWnd);
1588
1589     HFONT fnt = 0;
1590     HFONT hfontOld = 0;
1591     if ( fontToUse && fontToUse->Ok() )
1592     {
1593         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1594         if ( fnt )
1595             hfontOld = (HFONT)SelectObject(dc,fnt);
1596     }
1597
1598     SIZE sizeRect;
1599     TEXTMETRIC tm;
1600     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1601     GetTextMetrics(dc, &tm);
1602
1603     if ( fontToUse && fnt && hfontOld )
1604         SelectObject(dc, hfontOld);
1605
1606     ReleaseDC(hWnd, dc);
1607
1608     if ( x )
1609         *x = sizeRect.cx;
1610     if ( y )
1611         *y = sizeRect.cy;
1612     if ( descent )
1613         *descent = tm.tmDescent;
1614     if ( externalLeading )
1615         *externalLeading = tm.tmExternalLeading;
1616 }
1617
1618 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1619 // ---------------------------------------------------------------------------
1620 // Caret manipulation
1621 // ---------------------------------------------------------------------------
1622
1623 void wxWindowMSW::CreateCaret(int w, int h)
1624 {
1625     SetCaret(new wxCaret(this, w, h));
1626 }
1627
1628 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1629 {
1630     wxFAIL_MSG("not implemented");
1631 }
1632
1633 void wxWindowMSW::ShowCaret(bool show)
1634 {
1635     wxCHECK_RET( m_caret, "no caret to show" );
1636
1637     m_caret->Show(show);
1638 }
1639
1640 void wxWindowMSW::DestroyCaret()
1641 {
1642     SetCaret(NULL);
1643 }
1644
1645 void wxWindowMSW::SetCaretPos(int x, int y)
1646 {
1647     wxCHECK_RET( m_caret, "no caret to move" );
1648
1649     m_caret->Move(x, y);
1650 }
1651
1652 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1653 {
1654     wxCHECK_RET( m_caret, "no caret to get position of" );
1655
1656     m_caret->GetPosition(x, y);
1657 }
1658 #endif // wxUSE_CARET
1659
1660 // ---------------------------------------------------------------------------
1661 // popup menu
1662 // ---------------------------------------------------------------------------
1663
1664 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1665 // immediately, without waiting for the next event loop iteration
1666 //
1667 // NB: this function should probably be made public later as it can almost
1668 //     surely replace wxYield() elsewhere as well
1669 static void wxYieldForCommandsOnly()
1670 {
1671     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1672     // want to process it here)
1673     MSG msg;
1674     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1675                 && msg.message != WM_QUIT )
1676     {
1677         wxTheApp->DoMessage((WXMSG *)&msg);
1678     }
1679 }
1680
1681 #if wxUSE_MENUS_NATIVE
1682
1683 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1684 {
1685     menu->SetInvokingWindow(this);
1686     menu->UpdateUI();
1687
1688     HWND hWnd = GetHwnd();
1689     HMENU hMenu = GetHmenuOf(menu);
1690     POINT point;
1691     point.x = x;
1692     point.y = y;
1693     ::ClientToScreen(hWnd, &point);
1694     wxCurrentPopupMenu = menu;
1695     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1696
1697     // we need to do it righ now as otherwise the events are never going to be
1698     // sent to wxCurrentPopupMenu from HandleCommand()
1699     //
1700     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1701     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1702     // destroyed as soon as we return (it can be a local variable in the caller
1703     // for example) and so we do need to process the event immediately
1704     wxYieldForCommandsOnly();
1705
1706     wxCurrentPopupMenu = NULL;
1707
1708     menu->SetInvokingWindow(NULL);
1709
1710     return TRUE;
1711 }
1712
1713 #endif // wxUSE_MENUS_NATIVE
1714
1715 // ===========================================================================
1716 // pre/post message processing
1717 // ===========================================================================
1718
1719 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1720 {
1721     if ( m_oldWndProc )
1722         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1723     else
1724         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1725 }
1726
1727 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1728 {
1729     // wxUniversal implements tab traversal itself
1730 #ifndef __WXUNIVERSAL__
1731     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1732     {
1733         // intercept dialog navigation keys
1734         MSG *msg = (MSG *)pMsg;
1735
1736         // here we try to do all the job which ::IsDialogMessage() usually does
1737         // internally
1738 #if 1
1739         bool bProcess = TRUE;
1740         if ( msg->message != WM_KEYDOWN )
1741             bProcess = FALSE;
1742
1743         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1744             bProcess = FALSE;
1745
1746         if ( bProcess )
1747         {
1748             bool bCtrlDown = wxIsCtrlDown();
1749             bool bShiftDown = wxIsShiftDown();
1750
1751             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1752             // don't process it if it's the case (except for Ctrl-Tab/Enter
1753             // combinations which are always processed)
1754             LONG lDlgCode = 0;
1755             if ( !bCtrlDown )
1756             {
1757                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1758             }
1759
1760             bool bForward = TRUE,
1761                  bWindowChange = FALSE;
1762
1763             switch ( msg->wParam )
1764             {
1765                 case VK_TAB:
1766                     // assume that nobody wants Shift-TAB for himself - if we
1767                     // don't do it there is no easy way for a control to grab
1768                     // TABs but still let Shift-TAB work as navugation key
1769                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1770                         bProcess = FALSE;
1771                     }
1772                     else {
1773                         // Ctrl-Tab cycles thru notebook pages
1774                         bWindowChange = bCtrlDown;
1775                         bForward = !bShiftDown;
1776                     }
1777                     break;
1778
1779                 case VK_UP:
1780                 case VK_LEFT:
1781                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1782                         bProcess = FALSE;
1783                     else
1784                         bForward = FALSE;
1785                     break;
1786
1787                 case VK_DOWN:
1788                 case VK_RIGHT:
1789                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1790                         bProcess = FALSE;
1791                     break;
1792
1793                 case VK_RETURN:
1794                     {
1795                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1796                         {
1797                             // control wants to process Enter itself, don't
1798                             // call IsDialogMessage() which would interpret
1799                             // it
1800                             return FALSE;
1801                         }
1802                         else if ( lDlgCode & DLGC_BUTTON )
1803                         {
1804                             // let IsDialogMessage() handle this for all
1805                             // buttons except the owner-drawn ones which it
1806                             // just seems to ignore
1807                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1808                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1809                             {
1810                                 // emulate the button click
1811                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1812                                 if ( btn )
1813                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1814                             }
1815
1816                             bProcess = FALSE;
1817                         }
1818                         // FIXME: this should be handled by
1819                         //        wxNavigationKeyEvent handler and not here!!
1820                         else
1821                         {
1822 #if wxUSE_BUTTON
1823                             wxButton *btn = wxDynamicCast(GetDefaultItem(),
1824                                                           wxButton);
1825                             if ( btn && btn->IsEnabled() )
1826                             {
1827                                 // if we do have a default button, do press it
1828                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1829
1830                                 return TRUE;
1831                             }
1832                             else // no default button
1833 #endif // wxUSE_BUTTON
1834                             {
1835                                 // no special function for enter and don't even
1836                                 // let IsDialogMessage() have it: it seems to
1837                                 // do something really strange with it
1838                                 return FALSE;
1839                             }
1840                         }
1841                     }
1842                     break;
1843
1844                 default:
1845                     bProcess = FALSE;
1846             }
1847
1848             if ( bProcess )
1849             {
1850                 wxNavigationKeyEvent event;
1851                 event.SetDirection(bForward);
1852                 event.SetWindowChange(bWindowChange);
1853                 event.SetEventObject(this);
1854
1855                 if ( GetEventHandler()->ProcessEvent(event) )
1856                 {
1857                     return TRUE;
1858                 }
1859             }
1860         }
1861 #else // 0
1862         // let ::IsDialogMessage() do almost everything and handle just the
1863         // things it doesn't here: Ctrl-TAB for switching notebook pages
1864         if ( msg->message == WM_KEYDOWN )
1865         {
1866             // don't process system keys here
1867             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1868             {
1869                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1870                 {
1871                     // find the first notebook parent and change its page
1872                     wxWindow *win = this;
1873                     wxNotebook *nbook = NULL;
1874                     while ( win && !nbook )
1875                     {
1876                         nbook = wxDynamicCast(win, wxNotebook);
1877                         win = win->GetParent();
1878                     }
1879
1880                     if ( nbook )
1881                     {
1882                         bool forward = !wxIsShiftDown();
1883
1884                         nbook->AdvanceSelection(forward);
1885                     }
1886                 }
1887             }
1888         }
1889 #endif // 1/0
1890
1891         if ( ::IsDialogMessage(GetHwnd(), msg) )
1892         {
1893             // IsDialogMessage() did something...
1894             return TRUE;
1895         }
1896     }
1897 #endif // __WXUNIVERSAL__
1898
1899 #if wxUSE_TOOLTIPS
1900     if ( m_tooltip )
1901     {
1902         // relay mouse move events to the tooltip control
1903         MSG *msg = (MSG *)pMsg;
1904         if ( msg->message == WM_MOUSEMOVE )
1905             m_tooltip->RelayEvent(pMsg);
1906     }
1907 #endif // wxUSE_TOOLTIPS
1908
1909     return FALSE;
1910 }
1911
1912 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1913 {
1914 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1915     return m_acceleratorTable.Translate(this, pMsg);
1916 #else
1917     return FALSE;
1918 #endif // wxUSE_ACCEL
1919 }
1920
1921 bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* pMsg)
1922 {
1923     // preprocess all messages by default
1924     return TRUE;
1925 }
1926
1927 // ---------------------------------------------------------------------------
1928 // message params unpackers (different for Win16 and Win32)
1929 // ---------------------------------------------------------------------------
1930
1931 #ifdef __WIN32__
1932
1933 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1934                              WORD *id, WXHWND *hwnd, WORD *cmd)
1935 {
1936     *id = LOWORD(wParam);
1937     *hwnd = (WXHWND)lParam;
1938     *cmd = HIWORD(wParam);
1939 }
1940
1941 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1942                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1943 {
1944     *state = LOWORD(wParam);
1945     *minimized = HIWORD(wParam);
1946     *hwnd = (WXHWND)lParam;
1947 }
1948
1949 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1950                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1951 {
1952     *code = LOWORD(wParam);
1953     *pos = HIWORD(wParam);
1954     *hwnd = (WXHWND)lParam;
1955 }
1956
1957 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1958                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1959 {
1960 #ifndef __WXMICROWIN__
1961     *nCtlColor = CTLCOLOR_BTN;
1962     *hwnd = (WXHWND)lParam;
1963     *hdc = (WXHDC)wParam;
1964 #endif
1965 }
1966
1967 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1968                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1969 {
1970     *item = (WXWORD)wParam;
1971     *flags = HIWORD(wParam);
1972     *hmenu = (WXHMENU)lParam;
1973 }
1974
1975 #else // Win16
1976
1977 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1978                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1979 {
1980     *id = (WXWORD)wParam;
1981     *hwnd = (WXHWND)LOWORD(lParam);
1982     *cmd = HIWORD(lParam);
1983 }
1984
1985 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1986                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1987 {
1988     *state = (WXWORD)wParam;
1989     *minimized = LOWORD(lParam);
1990     *hwnd = (WXHWND)HIWORD(lParam);
1991 }
1992
1993 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1994                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1995 {
1996     *code = (WXWORD)wParam;
1997     *pos = LOWORD(lParam);
1998     *hwnd = (WXHWND)HIWORD(lParam);
1999 }
2000
2001 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
2002                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
2003 {
2004     *hwnd = (WXHWND)LOWORD(lParam);
2005     *nCtlColor = (int)HIWORD(lParam);
2006     *hdc = (WXHDC)wParam;
2007 }
2008
2009 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
2010                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
2011 {
2012     *item = (WXWORD)wParam;
2013     *flags = LOWORD(lParam);
2014     *hmenu = (WXHMENU)HIWORD(lParam);
2015 }
2016
2017 #endif // Win32/16
2018
2019 // ---------------------------------------------------------------------------
2020 // Main wxWindows window proc and the window proc for wxWindow
2021 // ---------------------------------------------------------------------------
2022
2023 // Hook for new window just as it's being created, when the window isn't yet
2024 // associated with the handle
2025 wxWindowMSW *wxWndHook = NULL;
2026
2027 // Main window proc
2028 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
2029 {
2030     // trace all messages - useful for the debugging
2031 #ifdef __WXDEBUG__
2032     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
2033                wxGetMessageName(message), wParam, lParam);
2034 #endif // __WXDEBUG__
2035
2036     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
2037
2038     // when we get the first message for the HWND we just created, we associate
2039     // it with wxWindow stored in wxWndHook
2040     if ( !wnd && wxWndHook )
2041     {
2042 #if 0 // def __WXDEBUG__
2043         char buf[512];
2044         ::GetClassNameA((HWND) hWnd, buf, 512);
2045         wxString className(buf);
2046 #endif
2047
2048         wxAssociateWinWithHandle(hWnd, wxWndHook);
2049         wnd = wxWndHook;
2050         wxWndHook = NULL;
2051         wnd->SetHWND((WXHWND)hWnd);
2052     }
2053
2054     LRESULT rc;
2055
2056     // Stop right here if we don't have a valid handle in our wxWindow object.
2057     if ( wnd && !wnd->GetHWND() )
2058     {
2059         // FIXME: why do we do this?
2060         wnd->SetHWND((WXHWND) hWnd);
2061         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
2062         wnd->SetHWND(0);
2063     }
2064     else
2065     {
2066         if ( wnd )
2067             rc = wnd->MSWWindowProc(message, wParam, lParam);
2068         else
2069             rc = DefWindowProc( hWnd, message, wParam, lParam );
2070     }
2071
2072     return rc;
2073 }
2074
2075 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2076 {
2077     // did we process the message?
2078     bool processed = FALSE;
2079
2080     // the return value
2081     union
2082     {
2083         bool        allow;
2084         long        result;
2085         WXHICON     hIcon;
2086         WXHBRUSH    hBrush;
2087     } rc;
2088
2089     // for most messages we should return 0 when we do process the message
2090     rc.result = 0;
2091
2092     switch ( message )
2093     {
2094         case WM_CREATE:
2095             {
2096                 bool mayCreate;
2097                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2098                 if ( processed )
2099                 {
2100                     // return 0 to allow window creation
2101                     rc.result = mayCreate ? 0 : -1;
2102                 }
2103             }
2104             break;
2105
2106         case WM_DESTROY:
2107             // never set processed to TRUE and *always* pass WM_DESTROY to
2108             // DefWindowProc() as Windows may do some internal cleanup when
2109             // processing it and failing to pass the message along may cause
2110             // memory and resource leaks!
2111             (void)HandleDestroy();
2112             break;
2113
2114         case WM_MOVE:
2115             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2116             break;
2117
2118         case WM_SIZE:
2119             switch ( wParam )
2120             {
2121                 case SIZE_MAXHIDE:
2122                 case SIZE_MAXSHOW:
2123                     // we're not interested in these messages at all
2124                     break;
2125
2126                 case SIZE_MINIMIZED:
2127                     // we shouldn't send sizev events for these messages as the
2128                     // client size may be negative which breaks existing code
2129                     //
2130                     // OTOH we might send another (wxMinimizedEvent?) one or
2131                     // add an additional parameter to wxSizeEvent if this is
2132                     // useful to anybody
2133                     break;
2134
2135                 default:
2136                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2137                     // fall through nevertheless
2138
2139                 case SIZE_MAXIMIZED:
2140                 case SIZE_RESTORED:
2141                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2142                                            wParam);
2143             }
2144             break;
2145
2146 #ifndef __WXMICROWIN__
2147         case WM_ACTIVATEAPP:
2148             wxTheApp->SetActive(wParam != 0, FindFocus());
2149             break;
2150 #endif
2151
2152         case WM_ACTIVATE:
2153             {
2154                 WXWORD state, minimized;
2155                 WXHWND hwnd;
2156                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2157
2158                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2159             }
2160             break;
2161
2162         case WM_SETFOCUS:
2163             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2164             break;
2165
2166         case WM_KILLFOCUS:
2167             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2168             break;
2169
2170         case WM_PAINT:
2171             processed = HandlePaint();
2172             break;
2173
2174         case WM_CLOSE:
2175             // don't let the DefWindowProc() destroy our window - we'll do it
2176             // ourselves in ~wxWindow
2177             processed = TRUE;
2178             rc.result = TRUE;
2179             break;
2180
2181         case WM_SHOWWINDOW:
2182             processed = HandleShow(wParam != 0, (int)lParam);
2183             break;
2184
2185         case WM_MOUSEMOVE:
2186             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2187                                         GET_Y_LPARAM(lParam),
2188                                         wParam);
2189             break;
2190
2191 #if wxUSE_MOUSEWHEEL
2192         case WM_MOUSEWHEEL:
2193             processed = HandleMouseWheel(wParam, lParam);
2194             break;
2195 #endif
2196
2197         case WM_LBUTTONDOWN:
2198         case WM_LBUTTONUP:
2199         case WM_LBUTTONDBLCLK:
2200         case WM_RBUTTONDOWN:
2201         case WM_RBUTTONUP:
2202         case WM_RBUTTONDBLCLK:
2203         case WM_MBUTTONDOWN:
2204         case WM_MBUTTONUP:
2205         case WM_MBUTTONDBLCLK:
2206          {
2207                 processed = FALSE;
2208 #ifdef __WXMICROWIN__
2209                 // MicroWindows seems to ignore the fact that a window is
2210                 // disabled. So catch mouse events and throw them away if
2211                 // necessary.
2212                 wxWindowMSW* win = this;
2213                 while (win)
2214                 {
2215                     if (!win->IsEnabled())
2216                     {
2217                         processed = TRUE;
2218                         break;
2219                     }
2220                     win = win->GetParent();
2221                     if (win && win->IsTopLevel())
2222                         break;
2223                 }
2224 #endif // __WXMICROWIN__
2225                 if (!processed)
2226                 {
2227                     if (message == WM_LBUTTONDOWN && AcceptsFocus())
2228                         SetFocus();
2229                      processed = HandleMouseEvent(message,
2230                                          GET_X_LPARAM(lParam),
2231                                          GET_Y_LPARAM(lParam),
2232                                                   wParam);
2233                 }
2234                 break;
2235          }
2236
2237 #ifdef __WXMICROWIN__
2238         case WM_NCLBUTTONDOWN:
2239         case WM_NCLBUTTONUP:
2240         case WM_NCLBUTTONDBLCLK:
2241         case WM_NCRBUTTONDOWN:
2242         case WM_NCRBUTTONUP:
2243         case WM_NCRBUTTONDBLCLK:
2244 #if 0
2245         case WM_NCMBUTTONDOWN:
2246         case WM_NCMBUTTONUP:
2247         case WM_NCMBUTTONDBLCLK:
2248 #endif
2249             {
2250                 // MicroWindows seems to ignore the fact that a window
2251                 // is disabled. So catch mouse events and throw them away if necessary.
2252                 processed = FALSE;
2253                 wxWindowMSW* win = this;
2254                 while (win)
2255                 {
2256                     if (!win->IsEnabled())
2257                     {
2258                         processed = TRUE;
2259                         break;
2260                     }
2261                     win = win->GetParent();
2262                     if (win && win->IsTopLevel())
2263                         break;
2264                 }
2265                 break;
2266             }
2267 #endif // __WXMICROWIN__
2268
2269 #ifdef MM_JOY1MOVE
2270         case MM_JOY1MOVE:
2271         case MM_JOY2MOVE:
2272         case MM_JOY1ZMOVE:
2273         case MM_JOY2ZMOVE:
2274         case MM_JOY1BUTTONDOWN:
2275         case MM_JOY2BUTTONDOWN:
2276         case MM_JOY1BUTTONUP:
2277         case MM_JOY2BUTTONUP:
2278             processed = HandleJoystickEvent(message,
2279                                             GET_X_LPARAM(lParam),
2280                                             GET_Y_LPARAM(lParam),
2281                                             wParam);
2282             break;
2283 #endif // __WXMICROWIN__
2284
2285         case WM_SYSCOMMAND:
2286             processed = HandleSysCommand(wParam, lParam);
2287             break;
2288
2289         case WM_COMMAND:
2290             {
2291                 WORD id, cmd;
2292                 WXHWND hwnd;
2293                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2294
2295                 processed = HandleCommand(id, cmd, hwnd);
2296             }
2297             break;
2298
2299 #ifdef __WIN95__
2300         case WM_NOTIFY:
2301             processed = HandleNotify((int)wParam, lParam, &rc.result);
2302             break;
2303 #endif  // Win95
2304
2305             // for these messages we must return TRUE if process the message
2306 #ifdef WM_DRAWITEM
2307         case WM_DRAWITEM:
2308         case WM_MEASUREITEM:
2309             {
2310                 int idCtrl = (UINT)wParam;
2311                 if ( message == WM_DRAWITEM )
2312                 {
2313                     processed = MSWOnDrawItem(idCtrl,
2314                                               (WXDRAWITEMSTRUCT *)lParam);
2315                 }
2316                 else
2317                 {
2318                     processed = MSWOnMeasureItem(idCtrl,
2319                                                  (WXMEASUREITEMSTRUCT *)lParam);
2320                 }
2321
2322                 if ( processed )
2323                     rc.result = TRUE;
2324             }
2325             break;
2326 #endif // defined(WM_DRAWITEM)
2327
2328         case WM_GETDLGCODE:
2329             if ( m_lDlgCode )
2330             {
2331                 rc.result = m_lDlgCode;
2332                 processed = TRUE;
2333             }
2334             //else: get the dlg code from the DefWindowProc()
2335             break;
2336
2337         case WM_SYSKEYDOWN:
2338         case WM_KEYDOWN:
2339             // If this has been processed by an event handler,
2340             // return 0 now (we've handled it).
2341             if ( HandleKeyDown((WORD) wParam, lParam) )
2342             {
2343                 processed = TRUE;
2344
2345                 break;
2346             }
2347
2348             // we consider these message "not interesting" to OnChar
2349             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2350             {
2351                 processed = TRUE;
2352
2353                 break;
2354             }
2355
2356             switch ( wParam )
2357             {
2358                 // avoid duplicate messages to OnChar for these ASCII keys: they
2359                 // will be translated by TranslateMessage() and received in WM_CHAR
2360                 case VK_ESCAPE:
2361                 case VK_SPACE:
2362                 case VK_RETURN:
2363                 case VK_BACK:
2364                 case VK_TAB:
2365                 case VK_ADD:
2366                 case VK_SUBTRACT:
2367                     // but set processed to FALSE, not TRUE to still pass them to
2368                     // the control's default window proc - otherwise built-in
2369                     // keyboard handling won't work
2370                     processed = FALSE;
2371
2372                     break;
2373
2374 #ifdef VK_APPS
2375                 // special case of VK_APPS: treat it the same as right mouse
2376                 // click because both usually pop up a context menu
2377                 case VK_APPS:
2378                     {
2379                         WPARAM flags;
2380                         int x, y;
2381
2382                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2383                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2384                     }
2385                     break;
2386 #endif // VK_APPS
2387
2388                 case VK_LEFT:
2389                 case VK_RIGHT:
2390                 case VK_DOWN:
2391                 case VK_UP:
2392                 default:
2393                     processed = HandleChar((WORD)wParam, lParam);
2394             }
2395             break;
2396
2397         case WM_SYSKEYUP:
2398         case WM_KEYUP:
2399 #ifdef VK_APPS
2400             // special case of VK_APPS: treat it the same as right mouse button
2401             if ( wParam == VK_APPS )
2402             {
2403                 WPARAM flags;
2404                 int x, y;
2405
2406                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2407                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2408             }
2409             else
2410 #endif // VK_APPS
2411             {
2412                 processed = HandleKeyUp((WORD) wParam, lParam);
2413             }
2414             break;
2415
2416         case WM_SYSCHAR:
2417         case WM_CHAR: // Always an ASCII character
2418             processed = HandleChar((WORD)wParam, lParam, TRUE);
2419             break;
2420
2421         case WM_HSCROLL:
2422         case WM_VSCROLL:
2423             {
2424                 WXWORD code, pos;
2425                 WXHWND hwnd;
2426                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2427
2428                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2429                                                               : wxVERTICAL,
2430                                         code, pos, hwnd);
2431             }
2432             break;
2433
2434         // CTLCOLOR messages are sent by children to query the parent for their
2435         // colors#ifndef __WXMICROWIN__
2436 #ifndef __WXMICROWIN__
2437 #ifdef __WIN32__
2438         case WM_CTLCOLORMSGBOX:
2439         case WM_CTLCOLOREDIT:
2440         case WM_CTLCOLORLISTBOX:
2441         case WM_CTLCOLORBTN:
2442         case WM_CTLCOLORDLG:
2443         case WM_CTLCOLORSCROLLBAR:
2444         case WM_CTLCOLORSTATIC:
2445 #else // Win16
2446         case WM_CTLCOLOR:
2447 #endif // Win32/16
2448             {
2449                 WXWORD nCtlColor;
2450                 WXHDC hdc;
2451                 WXHWND hwnd;
2452                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2453
2454                 processed = HandleCtlColor(&rc.hBrush,
2455                                            (WXHDC)hdc,
2456                                            (WXHWND)hwnd,
2457                                            nCtlColor,
2458                                            message,
2459                                            wParam,
2460                                            lParam);
2461             }
2462             break;
2463 #endif // !__WXMICROWIN__
2464
2465             // the return value for this message is ignored
2466         case WM_SYSCOLORCHANGE:
2467             processed = HandleSysColorChange();
2468             break;
2469
2470         case WM_PALETTECHANGED:
2471             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2472             break;
2473
2474         case WM_QUERYNEWPALETTE:
2475             processed = HandleQueryNewPalette();
2476             break;
2477
2478         case WM_ERASEBKGND:
2479             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2480             if ( processed )
2481             {
2482                 // we processed the message, i.e. erased the background
2483                 rc.result = TRUE;
2484             }
2485             break;
2486
2487         case WM_DROPFILES:
2488             processed = HandleDropFiles(wParam);
2489             break;
2490
2491         case WM_INITDIALOG:
2492             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2493
2494             if ( processed )
2495             {
2496                 // we never set focus from here
2497                 rc.result = FALSE;
2498             }
2499             break;
2500
2501         case WM_QUERYENDSESSION:
2502             processed = HandleQueryEndSession(lParam, &rc.allow);
2503             break;
2504
2505         case WM_ENDSESSION:
2506             processed = HandleEndSession(wParam != 0, lParam);
2507             break;
2508
2509         case WM_GETMINMAXINFO:
2510             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2511             break;
2512
2513         case WM_SETCURSOR:
2514             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2515                                         LOWORD(lParam),     // hit test
2516                                         HIWORD(lParam));    // mouse msg
2517
2518             if ( processed )
2519             {
2520                 // returning TRUE stops the DefWindowProc() from further
2521                 // processing this message - exactly what we need because we've
2522                 // just set the cursor.
2523                 rc.result = TRUE;
2524             }
2525             break;
2526
2527 #if defined(__WIN32__) && defined(WM_HELP)
2528         case WM_HELP:
2529             {
2530                 HELPINFO* info = (HELPINFO*) lParam;
2531                 // Don't yet process menu help events, just windows
2532                 if (info->iContextType == HELPINFO_WINDOW)
2533                 {
2534                     wxWindowMSW* subjectOfHelp = this;
2535                     bool eventProcessed = FALSE;
2536                     while (subjectOfHelp && !eventProcessed)
2537                     {
2538                         wxHelpEvent helpEvent(wxEVT_HELP,
2539                                               subjectOfHelp->GetId(),
2540                                               wxPoint(info->MousePos.x,
2541                                               info->MousePos.y) );
2542                         helpEvent.SetEventObject(this);
2543                         eventProcessed =
2544                             GetEventHandler()->ProcessEvent(helpEvent);
2545
2546                         // Go up the window hierarchy until the event is
2547                         // handled (or not)
2548                         subjectOfHelp = subjectOfHelp->GetParent();
2549                     }
2550
2551                     processed = eventProcessed;
2552                 }
2553                 else if (info->iContextType == HELPINFO_MENUITEM)
2554                 {
2555                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2556                     helpEvent.SetEventObject(this);
2557                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2558
2559                 }
2560                 //else: processed is already FALSE
2561             }
2562             break;
2563
2564         case WM_CONTEXTMENU:
2565             {
2566                 // we don't convert from screen to client coordinates as
2567                 // the event may be handled by a parent window
2568                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2569
2570                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2571                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2572             }
2573             break;
2574 #endif // __WIN32__
2575
2576 #ifdef __WXUNIVERSAL__
2577         case WM_NCHITTEST:
2578             // we shouldn't allow the windows which don't want to get focus to
2579             // get it
2580             if ( !AcceptsFocus() )
2581             {
2582                 rc.result = HTTRANSPARENT;
2583                 processed = TRUE;
2584             }
2585             break;
2586 #endif // __WXUNIVERSAL__
2587     }
2588
2589     if ( !processed )
2590     {
2591 #ifdef __WXDEBUG__
2592         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2593                    wxGetMessageName(message));
2594 #endif // __WXDEBUG__
2595         rc.result = MSWDefWindowProc(message, wParam, lParam);
2596     }
2597
2598     return rc.result;
2599 }
2600
2601 // Dialog window proc
2602 LONG APIENTRY _EXPORT
2603 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2604 {
2605     if ( message == WM_INITDIALOG )
2606     {
2607         // for this message, returning TRUE tells system to set focus to the
2608         // first control in the dialog box
2609         return TRUE;
2610     }
2611     else
2612     {
2613         // for all the other ones, FALSE means that we didn't process the
2614         // message
2615         return 0;
2616     }
2617 }
2618
2619 wxList *wxWinHandleList = NULL;
2620 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2621 {
2622     wxNode *node = wxWinHandleList->Find((long)hWnd);
2623     if ( !node )
2624         return NULL;
2625     return (wxWindow *)node->Data();
2626 }
2627
2628 #if 0 // def __WXDEBUG__
2629 static int gs_AssociationCount = 0;
2630 #endif
2631
2632 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2633 {
2634     // adding NULL hWnd is (first) surely a result of an error and
2635     // (secondly) breaks menu command processing
2636     wxCHECK_RET( hWnd != (HWND)NULL,
2637                  wxT("attempt to add a NULL hWnd to window list ignored") );
2638
2639
2640     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2641     if ( oldWin && (oldWin != win) )
2642     {
2643         wxString str(win->GetClassInfo()->GetClassName());
2644         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2645     }
2646     else if (!oldWin)
2647     {
2648 #if 0 // def __WXDEBUG__
2649         gs_AssociationCount ++;
2650         wxLogDebug("+ Association %d", gs_AssociationCount);
2651 #endif
2652
2653         wxWinHandleList->Append((long)hWnd, win);
2654     }
2655 }
2656
2657 void wxRemoveHandleAssociation(wxWindowMSW *win)
2658 {
2659 #if 0 // def __WXDEBUG__
2660     if (wxWinHandleList->Member(win))
2661     {
2662         wxLogDebug("- Association %d", gs_AssociationCount);
2663         gs_AssociationCount --;
2664     }
2665 #endif
2666     wxWinHandleList->DeleteObject(win);
2667 }
2668
2669 // Default destroyer - override if you destroy it in some other way
2670 // (e.g. with MDI child windows)
2671 void wxWindowMSW::MSWDestroyWindow()
2672 {
2673 }
2674
2675 void wxWindowMSW::MSWDetachWindowMenu()
2676 {
2677 #ifndef __WXUNIVERSAL__
2678     if ( m_hMenu )
2679     {
2680         wxChar buf[1024];
2681         HMENU hMenu = (HMENU)m_hMenu;
2682
2683         int N = ::GetMenuItemCount(hMenu);
2684         for ( int i = 0; i < N; i++ )
2685         {
2686             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2687             {
2688                 wxLogLastError(wxT("GetMenuString"));
2689
2690                 continue;
2691             }
2692
2693             if ( wxStrcmp(buf, _("&Window")) == 0 )
2694             {
2695                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2696                 {
2697                     wxLogLastError(wxT("RemoveMenu"));
2698                 }
2699
2700                 break;
2701             }
2702         }
2703     }
2704 #endif
2705 }
2706
2707 bool wxWindowMSW::MSWCreate(int id,
2708                             wxWindow *parent,
2709                             const wxChar *wclass,
2710                             wxWindow * WXUNUSED(wx_win),
2711                             const wxChar *title,
2712                             int x,
2713                             int y,
2714                             int width,
2715                             int height,
2716                             WXDWORD style,
2717                             const wxChar *dialog_template,
2718                             WXDWORD extendedStyle)
2719 {
2720     int x1 = CW_USEDEFAULT;
2721     int y1 = 0;
2722     int width1 = CW_USEDEFAULT;
2723     int height1 = 100;
2724
2725     // Find parent's size, if it exists, to set up a possible default
2726     // panel size the size of the parent window
2727     RECT rectParent;
2728     if ( parent )
2729     {
2730         ::GetClientRect(GetHwndOf(parent), &rectParent);
2731
2732         width1 = rectParent.right - rectParent.left;
2733         height1 = rectParent.bottom - rectParent.top;
2734     }
2735
2736     if ( x != -1 )
2737         x1 = x;
2738     if ( y != -1 )
2739         y1 = y;
2740     if ( width != -1 )
2741         width1 = width;
2742     if ( height != -1 )
2743         height1 = height;
2744
2745     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2746     // hierarchy with several embedded panels (and not all of them) causes the
2747     // program to hang during the next call to IsDialogMessage() due to the bug
2748     // in this function (at least in Windows NT 4.0, it seems to work ok in
2749     // Win2K)
2750 #if 0
2751     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2752     // IsDialogMessage() won't work for us
2753     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2754     {
2755         extendedStyle |= WS_EX_CONTROLPARENT;
2756     }
2757 #endif // 0
2758
2759     HWND hParent;
2760     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2761     {
2762         // popup windows should have desktop as parent because they shouldn't
2763         // be limited to the parents client area as child windows usually are
2764         hParent = ::GetDesktopWindow();
2765     }
2766     else if ( parent )
2767     {
2768         hParent = GetHwndOf(parent);
2769     }
2770     else
2771     {
2772         // top level window
2773         hParent = NULL;
2774     }
2775
2776     wxWndHook = this;
2777
2778 #ifndef __WXMICROWIN__
2779     if ( dialog_template )
2780     {
2781         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2782         // app window as parent - this avoids creating modal dialogs without
2783         // parent
2784         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2785         {
2786             wxWindow *winTop = wxTheApp->GetTopWindow();
2787             if ( winTop )
2788                 hParent = GetHwndOf(winTop);
2789         }
2790
2791         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2792                                         dialog_template,
2793                                         hParent,
2794                                         (DLGPROC)wxDlgProc);
2795
2796         if ( m_hWnd == 0 )
2797         {
2798             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2799                        dialog_template);
2800
2801             return FALSE;
2802         }
2803
2804         if ( extendedStyle != 0 )
2805         {
2806             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2807             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2808                            SWP_NOSIZE |
2809                            SWP_NOMOVE |
2810                            SWP_NOZORDER |
2811                            SWP_NOACTIVATE);
2812         }
2813
2814 #if defined(__WIN95__)
2815         // For some reason, the system menu is activated when we use the
2816         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2817         if (extendedStyle & WS_EX_CONTEXTHELP)
2818         {
2819             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2820             if ( winTop )
2821             {
2822                 wxIcon icon = winTop->GetIcon();
2823                 if ( icon.Ok() )
2824                 {
2825                     ::SendMessage(GetHwnd(), WM_SETICON,
2826                                   (WPARAM)TRUE,
2827                                   (LPARAM)GetHiconOf(icon));
2828                 }
2829             }
2830         }
2831 #endif // __WIN95__
2832
2833
2834         // JACS: is the following still necessary? The above seems to work.
2835
2836         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2837         // to take care of (at least some) extended style flags ourselves
2838         if ( extendedStyle & WS_EX_TOPMOST )
2839         {
2840             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2841                                  SWP_NOSIZE | SWP_NOMOVE) )
2842             {
2843                 wxLogLastError(wxT("SetWindowPos"));
2844             }
2845         }
2846
2847         // move the dialog to its initial position without forcing repainting
2848         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2849         {
2850             wxLogLastError(wxT("MoveWindow"));
2851         }
2852
2853     }
2854     else // creating a normal window, not a dialog
2855 #endif // !__WXMICROWIN__
2856     {
2857         int controlId = 0;
2858         if ( style & WS_CHILD )
2859         {
2860             controlId = id;
2861
2862             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2863             {
2864                 style |= WS_CLIPSIBLINGS;
2865             }
2866         }
2867
2868         wxString className(wclass);
2869         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2870         {
2871             className += wxT("NR");
2872         }
2873
2874         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2875                                         className,
2876                                         title ? title : wxT(""),
2877                                         style,
2878                                         x1, y1,
2879                                         width1, height1,
2880                                         hParent, (HMENU)controlId,
2881                                         wxGetInstance(),
2882                                         NULL);
2883
2884         if ( !m_hWnd )
2885         {
2886             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2887                        wclass);
2888
2889             return FALSE;
2890         }
2891     }
2892
2893     wxWndHook = NULL;
2894
2895 #ifdef __WXDEBUG__
2896     wxNode* node = wxWinHandleList->Member(this);
2897     if (node)
2898     {
2899         HWND hWnd = (HWND) node->GetKeyInteger();
2900         if (hWnd != (HWND) m_hWnd)
2901         {
2902             wxLogError(wxT("A second HWND association is being added for the same window!"));
2903         }
2904     }
2905 #endif // Debug
2906
2907     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2908
2909     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2910
2911     return TRUE;
2912 }
2913
2914 // ===========================================================================
2915 // MSW message handlers
2916 // ===========================================================================
2917
2918 // ---------------------------------------------------------------------------
2919 // WM_NOTIFY
2920 // ---------------------------------------------------------------------------
2921
2922 #ifdef __WIN95__
2923 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2924 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2925 {
2926 #ifndef __WXMICROWIN__
2927     LPNMHDR hdr = (LPNMHDR)lParam;
2928     HWND hWnd = hdr->hwndFrom;
2929     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2930
2931     // is this one of our windows?
2932     if ( win )
2933     {
2934         return win->MSWOnNotify(idCtrl, lParam, result);
2935     }
2936
2937     // try all our children
2938     wxWindowList::Node *node = GetChildren().GetFirst();
2939     while ( node )
2940     {
2941         wxWindow *child = node->GetData();
2942         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2943         {
2944             return TRUE;
2945         }
2946
2947         node = node->GetNext();
2948     }
2949
2950     // finally try this window too (catches toolbar case)
2951     return MSWOnNotify(idCtrl, lParam, result);
2952 #else // __WXMICROWIN__
2953     return FALSE;
2954 #endif
2955 }
2956
2957 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2958                            WXLPARAM lParam,
2959                            WXLPARAM* WXUNUSED(result))
2960 {
2961 #if wxUSE_TOOLTIPS
2962     NMHDR* hdr = (NMHDR *)lParam;
2963     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2964     {
2965         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2966         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2967
2968         // processed
2969         return TRUE;
2970     }
2971 #endif // wxUSE_TOOLTIPS
2972
2973     return FALSE;
2974 }
2975 #endif // __WIN95__
2976
2977 // ---------------------------------------------------------------------------
2978 // end session messages
2979 // ---------------------------------------------------------------------------
2980
2981 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2982 {
2983     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2984     event.SetEventObject(wxTheApp);
2985     event.SetCanVeto(TRUE);
2986     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
2987
2988     bool rc = wxTheApp->ProcessEvent(event);
2989
2990     if ( rc )
2991     {
2992         // we may end only if the app didn't veto session closing (double
2993         // negation...)
2994         *mayEnd = !event.GetVeto();
2995     }
2996
2997     return rc;
2998 }
2999
3000 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
3001 {
3002     // do nothing if the session isn't ending
3003     if ( !endSession )
3004         return FALSE;
3005
3006     // only send once
3007     if ( (this != wxTheApp->GetTopWindow()) )
3008         return FALSE;
3009
3010     wxCloseEvent event(wxEVT_END_SESSION, -1);
3011     event.SetEventObject(wxTheApp);
3012     event.SetCanVeto(FALSE);
3013     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
3014
3015     return wxTheApp->ProcessEvent(event);
3016 }
3017
3018 // ---------------------------------------------------------------------------
3019 // window creation/destruction
3020 // ---------------------------------------------------------------------------
3021
3022 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
3023 {
3024     // TODO: should generate this event from WM_NCCREATE
3025     wxWindowCreateEvent event((wxWindow *)this);
3026     (void)GetEventHandler()->ProcessEvent(event);
3027
3028     *mayCreate = TRUE;
3029
3030     return TRUE;
3031 }
3032
3033 bool wxWindowMSW::HandleDestroy()
3034 {
3035     wxWindowDestroyEvent event((wxWindow *)this);
3036     (void)GetEventHandler()->ProcessEvent(event);
3037
3038     // delete our drop target if we've got one
3039 #if wxUSE_DRAG_AND_DROP
3040     if ( m_dropTarget != NULL )
3041     {
3042         m_dropTarget->Revoke(m_hWnd);
3043
3044         delete m_dropTarget;
3045         m_dropTarget = NULL;
3046     }
3047 #endif // wxUSE_DRAG_AND_DROP
3048
3049     // WM_DESTROY handled
3050     return TRUE;
3051 }
3052
3053 // ---------------------------------------------------------------------------
3054 // activation/focus
3055 // ---------------------------------------------------------------------------
3056
3057 bool wxWindowMSW::HandleActivate(int state,
3058                               bool WXUNUSED(minimized),
3059                               WXHWND WXUNUSED(activate))
3060 {
3061     wxActivateEvent event(wxEVT_ACTIVATE,
3062                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
3063                           m_windowId);
3064     event.SetEventObject(this);
3065
3066     return GetEventHandler()->ProcessEvent(event);
3067 }
3068
3069 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
3070 {
3071     // notify the parent keeping track of focus for the kbd navigation
3072     // purposes that we got it
3073     wxChildFocusEvent eventFocus((wxWindow *)this);
3074     (void)GetEventHandler()->ProcessEvent(eventFocus);
3075
3076 #if wxUSE_CARET
3077     // Deal with caret
3078     if ( m_caret )
3079     {
3080         m_caret->OnSetFocus();
3081     }
3082 #endif // wxUSE_CARET
3083
3084 #if wxUSE_TEXTCTRL
3085     // If it's a wxTextCtrl don't send the event as it will be done
3086     // after the control gets to process it from EN_FOCUS handler
3087     if ( wxDynamicCastThis(wxTextCtrl) )
3088     {
3089         return FALSE;
3090     }
3091 #endif // wxUSE_TEXTCTRL
3092
3093     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
3094     event.SetEventObject(this);
3095
3096     // wxFindWinFromHandle() may return NULL, it is ok
3097     event.SetWindow(wxFindWinFromHandle(hwnd));
3098
3099     return GetEventHandler()->ProcessEvent(event);
3100 }
3101
3102 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
3103 {
3104 #if wxUSE_CARET
3105     // Deal with caret
3106     if ( m_caret )
3107     {
3108         m_caret->OnKillFocus();
3109     }
3110 #endif // wxUSE_CARET
3111
3112 #if wxUSE_TEXTCTRL
3113     // If it's a wxTextCtrl don't send the event as it will be done
3114     // after the control gets to process it.
3115     wxTextCtrl *ctrl = wxDynamicCastThis(wxTextCtrl);
3116     if ( ctrl )
3117     {
3118         return FALSE;
3119     }
3120 #endif
3121
3122     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
3123     event.SetEventObject(this);
3124
3125     // wxFindWinFromHandle() may return NULL, it is ok
3126     event.SetWindow(wxFindWinFromHandle(hwnd));
3127
3128     return GetEventHandler()->ProcessEvent(event);
3129 }
3130
3131 // ---------------------------------------------------------------------------
3132 // miscellaneous
3133 // ---------------------------------------------------------------------------
3134
3135 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3136 {
3137     wxShowEvent event(GetId(), show);
3138     event.m_eventObject = this;
3139
3140     return GetEventHandler()->ProcessEvent(event);
3141 }
3142
3143 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3144 {
3145     wxInitDialogEvent event(GetId());
3146     event.m_eventObject = this;
3147
3148     return GetEventHandler()->ProcessEvent(event);
3149 }
3150
3151 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3152 {
3153 #ifndef __WXMICROWIN__
3154     HDROP hFilesInfo = (HDROP) wParam;
3155     POINT dropPoint;
3156     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3157
3158     // Get the total number of files dropped
3159     WORD gwFilesDropped = (WORD)::DragQueryFile
3160                             (
3161                                 (HDROP)hFilesInfo,
3162                                 (UINT)-1,
3163                                 (LPTSTR)0,
3164                                 (UINT)0
3165                             );
3166
3167     wxString *files = new wxString[gwFilesDropped];
3168     int wIndex;
3169     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3170     {
3171         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3172         files[wIndex] = wxBuffer;
3173     }
3174     DragFinish (hFilesInfo);
3175
3176     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3177     event.m_eventObject = this;
3178     event.m_pos.x = dropPoint.x;
3179     event.m_pos.y = dropPoint.y;
3180
3181     bool rc = GetEventHandler()->ProcessEvent(event);
3182
3183     delete[] files;
3184
3185     return rc;
3186 #else // __WXMICROWIN__
3187     return FALSE;
3188 #endif
3189 }
3190
3191 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3192                                   short nHitTest,
3193                                   int WXUNUSED(mouseMsg))
3194 {
3195 #ifndef __WXMICROWIN__
3196     // the logic is as follows:
3197     // -1. don't set cursor for non client area, including but not limited to
3198     //     the title bar, scrollbars, &c
3199     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3200     //  1. if we have the cursor set it unless wxIsBusy()
3201     //  2. if we're a top level window, set some cursor anyhow
3202     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3203
3204     if ( nHitTest != HTCLIENT )
3205     {
3206         return FALSE;
3207     }
3208
3209     HCURSOR hcursor = 0;
3210
3211     // first ask the user code - it may wish to set the cursor in some very
3212     // specific way (for example, depending on the current position)
3213     POINT pt;
3214 #ifdef __WIN32__
3215     if ( !::GetCursorPos(&pt) )
3216     {
3217         wxLogLastError(wxT("GetCursorPos"));
3218     }
3219 #else
3220     // In WIN16 it doesn't return a value.
3221     ::GetCursorPos(&pt);
3222 #endif
3223
3224     int x = pt.x,
3225         y = pt.y;
3226     ScreenToClient(&x, &y);
3227     wxSetCursorEvent event(x, y);
3228
3229     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3230     if ( processedEvtSetCursor && event.HasCursor() )
3231     {
3232         hcursor = GetHcursorOf(event.GetCursor());
3233     }
3234
3235     if ( !hcursor )
3236     {
3237         bool isBusy = wxIsBusy();
3238
3239         // the test for processedEvtSetCursor is here to prevent using m_cursor
3240         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3241         // it - this is a way to say that our cursor shouldn't be used for this
3242         // point
3243         if ( !processedEvtSetCursor && m_cursor.Ok() )
3244         {
3245             hcursor = GetHcursorOf(m_cursor);
3246         }
3247
3248         if ( !GetParent() )
3249         {
3250             if ( isBusy )
3251             {
3252                 hcursor = wxGetCurrentBusyCursor();
3253             }
3254             else if ( !hcursor )
3255             {
3256                 const wxCursor *cursor = wxGetGlobalCursor();
3257                 if ( cursor && cursor->Ok() )
3258                 {
3259                     hcursor = GetHcursorOf(*cursor);
3260                 }
3261             }
3262         }
3263     }
3264
3265     if ( hcursor )
3266     {
3267         ::SetCursor(hcursor);
3268
3269         // cursor set, stop here
3270         return TRUE;
3271     }
3272 #endif // __WXMICROWIN__
3273
3274     // pass up the window chain
3275     return FALSE;
3276 }
3277
3278 // ---------------------------------------------------------------------------
3279 // owner drawn stuff
3280 // ---------------------------------------------------------------------------
3281
3282 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3283 {
3284 #if wxUSE_OWNER_DRAWN
3285
3286 #if wxUSE_MENUS_NATIVE
3287     // is it a menu item?
3288     DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3289     if ( id == 0 && pDrawStruct->CtlType == ODT_MENU )
3290     {
3291         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3292
3293         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3294
3295         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3296         // the DC from being released
3297         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3298         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3299                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3300                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3301
3302         return pMenuItem->OnDrawItem
3303                (
3304                 dc,
3305                 rect,
3306                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3307                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3308                );
3309     }
3310 #endif // wxUSE_MENUS_NATIVE
3311
3312 #if wxUSE_CONTROLS
3313     wxWindow *item = FindItem(id);
3314     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3315     {
3316         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3317     }
3318 #endif // wxUSE_CONTROLS
3319
3320 #endif // USE_OWNER_DRAWN
3321
3322     return FALSE;
3323 }
3324
3325 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3326 {
3327 #if wxUSE_OWNER_DRAWN
3328     // is it a menu item?
3329     MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3330     if ( id == 0 && pMeasureStruct->CtlType == ODT_MENU )
3331     {
3332         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3333
3334         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3335
3336         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3337                                         &pMeasureStruct->itemHeight);
3338     }
3339
3340     wxWindow *item = FindItem(id);
3341     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3342     {
3343         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3344     }
3345 #endif  // owner-drawn menus
3346     return FALSE;
3347 }
3348
3349 // ---------------------------------------------------------------------------
3350 // colours and palettes
3351 // ---------------------------------------------------------------------------
3352
3353 bool wxWindowMSW::HandleSysColorChange()
3354 {
3355     wxSysColourChangedEvent event;
3356     event.SetEventObject(this);
3357
3358     return GetEventHandler()->ProcessEvent(event);
3359 }
3360
3361 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3362                               WXHDC pDC,
3363                               WXHWND pWnd,
3364                               WXUINT nCtlColor,
3365                               WXUINT message,
3366                               WXWPARAM wParam,
3367                               WXLPARAM lParam)
3368 {
3369 #ifndef __WXMICROWIN__
3370     WXHBRUSH hBrush = 0;
3371
3372     if ( nCtlColor == CTLCOLOR_DLG )
3373     {
3374         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3375     }
3376 #if wxUSE_CONTROLS
3377     else
3378     {
3379         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3380         if ( item )
3381             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3382     }
3383 #endif // wxUSE_CONTROLS
3384
3385     if ( hBrush )
3386         *brush = hBrush;
3387
3388     return hBrush != 0;
3389 #else // __WXMICROWIN__
3390     return FALSE;
3391 #endif
3392 }
3393
3394 // Define for each class of dialog and control
3395 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3396                                  WXHWND WXUNUSED(hWnd),
3397                                  WXUINT WXUNUSED(nCtlColor),
3398                                  WXUINT WXUNUSED(message),
3399                                  WXWPARAM WXUNUSED(wParam),
3400                                  WXLPARAM WXUNUSED(lParam))
3401 {
3402     return (WXHBRUSH)0;
3403 }
3404
3405 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3406 {
3407     wxPaletteChangedEvent event(GetId());
3408     event.SetEventObject(this);
3409     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3410
3411     return GetEventHandler()->ProcessEvent(event);
3412 }
3413
3414 bool wxWindowMSW::HandleQueryNewPalette()
3415 {
3416     wxQueryNewPaletteEvent event(GetId());
3417     event.SetEventObject(this);
3418
3419     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3420 }
3421
3422 // Responds to colour changes: passes event on to children.
3423 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3424 {
3425     wxNode *node = GetChildren().First();
3426     while ( node )
3427     {
3428         // Only propagate to non-top-level windows
3429         wxWindow *win = (wxWindow *)node->Data();
3430         if ( win->GetParent() )
3431         {
3432             wxSysColourChangedEvent event2;
3433             event.m_eventObject = win;
3434             win->GetEventHandler()->ProcessEvent(event2);
3435         }
3436
3437         node = node->Next();
3438     }
3439 }
3440
3441 // ---------------------------------------------------------------------------
3442 // painting
3443 // ---------------------------------------------------------------------------
3444
3445 bool wxWindowMSW::HandlePaint()
3446 {
3447 #ifdef __WIN32__
3448     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3449     if ( !hRegion )
3450         wxLogLastError(wxT("CreateRectRgn"));
3451     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3452         wxLogLastError(wxT("GetUpdateRgn"));
3453
3454     m_updateRegion = wxRegion((WXHRGN) hRegion);
3455 #else // Win16
3456     RECT updateRect;
3457     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3458
3459     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3460                               updateRect.right - updateRect.left,
3461                               updateRect.bottom - updateRect.top);
3462 #endif // Win32/16
3463
3464     wxPaintEvent event(m_windowId);
3465     event.SetEventObject(this);
3466
3467     bool processed = GetEventHandler()->ProcessEvent(event);
3468
3469     // note that we must generate NC event after the normal one as otherwise
3470     // BeginPaint() will happily overwrite our decorations with the background
3471     // colour
3472     wxNcPaintEvent eventNc(m_windowId);
3473     eventNc.SetEventObject(this);
3474     GetEventHandler()->ProcessEvent(eventNc);
3475
3476     return processed;
3477 }
3478
3479 // Can be called from an application's OnPaint handler
3480 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3481 {
3482 #ifdef __WXUNIVERSAL__
3483     event.Skip();
3484 #else
3485     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3486     if (hDC != 0)
3487     {
3488         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3489     }
3490 #endif
3491 }
3492
3493 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3494 {
3495     // Prevents flicker when dragging
3496     if ( ::IsIconic(GetHwnd()) )
3497         return TRUE;
3498
3499     wxDCTemp dc(hdc);
3500
3501     dc.SetHDC(hdc);
3502     dc.SetWindow((wxWindow *)this);
3503     dc.BeginDrawing();
3504
3505     wxEraseEvent event(m_windowId, &dc);
3506     event.SetEventObject(this);
3507     bool rc = GetEventHandler()->ProcessEvent(event);
3508
3509     dc.EndDrawing();
3510
3511     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3512     dc.SelectOldObjects(hdc);
3513
3514     return rc;
3515 }
3516
3517 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3518 {
3519     RECT rect;
3520     ::GetClientRect(GetHwnd(), &rect);
3521
3522     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3523                               m_backgroundColour.Green(),
3524                               m_backgroundColour.Blue());
3525     HBRUSH hBrush = ::CreateSolidBrush(ref);
3526     if ( !hBrush )
3527         wxLogLastError(wxT("CreateSolidBrush"));
3528
3529     HDC hdc = (HDC)event.GetDC()->GetHDC();
3530
3531     int mode = ::SetMapMode(hdc, MM_TEXT);
3532
3533     ::FillRect(hdc, &rect, hBrush);
3534     ::DeleteObject(hBrush);
3535     ::SetMapMode(hdc, mode);
3536 }
3537
3538 // ---------------------------------------------------------------------------
3539 // moving and resizing
3540 // ---------------------------------------------------------------------------
3541
3542 bool wxWindowMSW::HandleMinimize()
3543 {
3544     wxIconizeEvent event(m_windowId);
3545     event.SetEventObject(this);
3546
3547     return GetEventHandler()->ProcessEvent(event);
3548 }
3549
3550 bool wxWindowMSW::HandleMaximize()
3551 {
3552     wxMaximizeEvent event(m_windowId);
3553     event.SetEventObject(this);
3554
3555     return GetEventHandler()->ProcessEvent(event);
3556 }
3557
3558 bool wxWindowMSW::HandleMove(int x, int y)
3559 {
3560     wxMoveEvent event(wxPoint(x, y), m_windowId);
3561     event.SetEventObject(this);
3562
3563     return GetEventHandler()->ProcessEvent(event);
3564 }
3565
3566 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3567 {
3568     wxSizeEvent event(wxSize(w, h), m_windowId);
3569     event.SetEventObject(this);
3570
3571     return GetEventHandler()->ProcessEvent(event);
3572 }
3573
3574 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3575 {
3576     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3577
3578     bool rc = FALSE;
3579
3580     if ( m_minWidth != -1 )
3581     {
3582         info->ptMinTrackSize.x = m_minWidth;
3583         rc = TRUE;
3584     }
3585
3586     if ( m_minHeight != -1 )
3587     {
3588         info->ptMinTrackSize.y = m_minHeight;
3589         rc = TRUE;
3590     }
3591
3592     if ( m_maxWidth != -1 )
3593     {
3594         info->ptMaxTrackSize.x = m_maxWidth;
3595         rc = TRUE;
3596     }
3597
3598     if ( m_maxHeight != -1 )
3599     {
3600         info->ptMaxTrackSize.y = m_maxHeight;
3601         rc = TRUE;
3602     }
3603
3604     return rc;
3605 }
3606
3607 // ---------------------------------------------------------------------------
3608 // command messages
3609 // ---------------------------------------------------------------------------
3610
3611 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3612 {
3613 #if wxUSE_MENUS_NATIVE
3614     if ( wxCurrentPopupMenu )
3615     {
3616         wxMenu *popupMenu = wxCurrentPopupMenu;
3617         wxCurrentPopupMenu = NULL;
3618
3619         return popupMenu->MSWCommand(cmd, id);
3620     }
3621 #endif // wxUSE_MENUS_NATIVE
3622
3623     wxWindow *win = (wxWindow*) NULL;
3624     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3625     {
3626         // must cast to a signed type before comparing with other ids!
3627         win = FindItem((signed short)id);
3628     }
3629
3630     if (!win && control)
3631     {
3632         // find it from HWND - this works even with the broken programs using
3633         // the same ids for different controls
3634         win = wxFindWinFromHandle(control);
3635     }
3636
3637     if ( win )
3638     {
3639         return win->MSWCommand(cmd, id);
3640     }
3641
3642     // the messages sent from the in-place edit control used by the treectrl
3643     // for label editing have id == 0, but they should _not_ be treated as menu
3644     // messages (they are EN_XXX ones, in fact) so don't translate anything
3645     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3646     if ( !control )
3647     {
3648         // If no child window, it may be an accelerator, e.g. for a popup menu
3649         // command
3650
3651         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3652         event.SetEventObject(this);
3653         event.SetId(id);
3654         event.SetInt(id);
3655
3656         return GetEventHandler()->ProcessEvent(event);
3657     }
3658 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3659     else
3660     {
3661         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3662         // notifications to its parent which we want to reflect back to
3663         // wxSpinCtrl
3664         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3665         if ( spin && spin->ProcessTextCommand(cmd, id) )
3666             return TRUE;
3667     }
3668 #endif // wxUSE_SPINCTRL
3669
3670     return FALSE;
3671 }
3672
3673 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3674 {
3675     // 4 bits are reserved
3676     switch ( wParam & 0xFFFFFFF0 )
3677     {
3678         case SC_MAXIMIZE:
3679             return HandleMaximize();
3680
3681         case SC_MINIMIZE:
3682             return HandleMinimize();
3683     }
3684
3685     return FALSE;
3686 }
3687
3688 // ---------------------------------------------------------------------------
3689 // mouse events
3690 // ---------------------------------------------------------------------------
3691
3692 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3693                                  int x, int y,
3694                                  WXUINT flags)
3695 {
3696     // our client coords are not quite the same as Windows ones
3697     wxPoint pt = GetClientAreaOrigin();
3698     event.m_x = x - pt.x;
3699     event.m_y = y - pt.y;
3700
3701     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3702     event.m_controlDown = (flags & MK_CONTROL) != 0;
3703     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3704     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3705     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3706     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3707
3708     event.SetTimestamp(s_currentMsg.time);
3709     event.m_eventObject = this;
3710
3711 #if wxUSE_MOUSEEVENT_HACK
3712     m_lastMouseX = x;
3713     m_lastMouseY = y;
3714     m_lastMouseEvent = event.GetEventType();
3715 #endif // wxUSE_MOUSEEVENT_HACK
3716 }
3717
3718 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3719 {
3720     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3721     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3722     // from the message id and take the value in the table to get wxWin event
3723     // id
3724     static const wxEventType eventsMouse[] =
3725     {
3726         wxEVT_MOTION,
3727         wxEVT_LEFT_DOWN,
3728         wxEVT_LEFT_UP,
3729         wxEVT_LEFT_DCLICK,
3730         wxEVT_RIGHT_DOWN,
3731         wxEVT_RIGHT_UP,
3732         wxEVT_RIGHT_DCLICK,
3733         wxEVT_MIDDLE_DOWN,
3734         wxEVT_MIDDLE_UP,
3735         wxEVT_MIDDLE_DCLICK
3736     };
3737
3738     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3739     InitMouseEvent(event, x, y, flags);
3740
3741     return GetEventHandler()->ProcessEvent(event);
3742 }
3743
3744 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3745 {
3746     if ( !m_mouseInWindow )
3747     {
3748         // it would be wrong to assume that just because we get a mouse move
3749         // event that the mouse is inside the window: although this is usually
3750         // true, it is not if we had captured the mouse, so we need to check
3751         // the mouse coordinates here
3752         if ( !HasCapture() || IsMouseInWindow() )
3753         {
3754             // Generate an ENTER event
3755             m_mouseInWindow = TRUE;
3756
3757             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3758             InitMouseEvent(event, x, y, flags);
3759
3760             (void)GetEventHandler()->ProcessEvent(event);
3761         }
3762     }
3763
3764 #if wxUSE_MOUSEEVENT_HACK
3765     // Window gets a click down message followed by a mouse move message even
3766     // if position isn't changed!  We want to discard the trailing move event
3767     // if x and y are the same.
3768     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3769           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3770           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3771          (m_lastMouseX == x && m_lastMouseY == y) )
3772     {
3773         m_lastMouseEvent = wxEVT_MOTION;
3774
3775         return FALSE;
3776     }
3777 #endif // wxUSE_MOUSEEVENT_HACK
3778
3779     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3780 }
3781
3782
3783 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3784 {
3785 #if wxUSE_MOUSEWHEEL
3786     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3787     InitMouseEvent(event,
3788                    GET_X_LPARAM(lParam),
3789                    GET_Y_LPARAM(lParam),
3790                    LOWORD(wParam));
3791     event.m_wheelRotation = (short)HIWORD(wParam);
3792     event.m_wheelDelta = WHEEL_DELTA;
3793
3794 #ifdef __WIN32__
3795     static int s_linesPerRotation = -1;
3796     if ( s_linesPerRotation == -1 )
3797     {
3798         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3799                                      &s_linesPerRotation, 0))
3800         {
3801             // this is not supposed to happen
3802             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3803
3804             // the default is 3, so use it if SystemParametersInfo() failed
3805             s_linesPerRotation = 3;
3806         }
3807     }
3808 #else // Win16
3809     // no SystemParametersInfo() under Win16
3810     static const int s_linesPerRotation = 3;
3811 #endif
3812
3813     event.m_linesPerAction = s_linesPerRotation;
3814     return GetEventHandler()->ProcessEvent(event);
3815
3816 #else
3817     (void) wParam;
3818     (void) lParam;
3819
3820     return FALSE;
3821 #endif
3822 }
3823
3824
3825 // ---------------------------------------------------------------------------
3826 // keyboard handling
3827 // ---------------------------------------------------------------------------
3828
3829 // create the key event of the given type for the given key - used by
3830 // HandleChar and HandleKeyDown/Up
3831 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3832                                     int id,
3833                                     WXLPARAM lParam) const
3834 {
3835     wxKeyEvent event(evType);
3836     event.SetId(GetId());
3837     event.m_shiftDown = wxIsShiftDown();
3838     event.m_controlDown = wxIsCtrlDown();
3839     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3840
3841     event.m_eventObject = (wxWindow *)this; // const_cast
3842     event.m_keyCode = id;
3843     event.SetTimestamp(s_currentMsg.time);
3844
3845     // translate the position to client coords
3846     POINT pt;
3847     GetCursorPos(&pt);
3848     RECT rect;
3849     GetWindowRect(GetHwnd(),&rect);
3850     pt.x -= rect.left;
3851     pt.y -= rect.top;
3852
3853     event.m_x = pt.x;
3854     event.m_y = pt.y;
3855
3856     return event;
3857 }
3858
3859 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3860 // WM_KEYDOWN one
3861 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3862 {
3863     bool ctrlDown = FALSE;
3864
3865     int id;
3866     if ( isASCII )
3867     {
3868         // If 1 -> 26, translate to CTRL plus a letter.
3869         id = wParam;
3870         if ( (id > 0) && (id < 27) )
3871         {
3872             switch (id)
3873             {
3874                 case 13:
3875                     id = WXK_RETURN;
3876                     break;
3877
3878                 case 8:
3879                     id = WXK_BACK;
3880                     break;
3881
3882                 case 9:
3883                     id = WXK_TAB;
3884                     break;
3885
3886                 default:
3887                     ctrlDown = TRUE;
3888                     id = id + 96;
3889             }
3890         }
3891     }
3892     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3893     {
3894         // it's ASCII and will be processed here only when called from
3895         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3896         id = -1;
3897     }
3898
3899     if ( id != -1 )
3900     {
3901         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3902         if ( ctrlDown )
3903         {
3904             event.m_controlDown = TRUE;
3905         }
3906
3907         if ( GetEventHandler()->ProcessEvent(event) )
3908             return TRUE;
3909     }
3910
3911     return FALSE;
3912 }
3913
3914 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3915 {
3916     int id = wxCharCodeMSWToWX(wParam);
3917
3918     if ( !id )
3919     {
3920         // normal ASCII char
3921         id = wParam;
3922     }
3923
3924     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3925     {
3926         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3927         if ( GetEventHandler()->ProcessEvent(event) )
3928         {
3929             return TRUE;
3930         }
3931     }
3932
3933     return FALSE;
3934 }
3935
3936 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3937 {
3938     int id = wxCharCodeMSWToWX(wParam);
3939
3940     if ( !id )
3941     {
3942         // normal ASCII char
3943         id = wParam;
3944     }
3945
3946     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3947     {
3948         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3949         if ( GetEventHandler()->ProcessEvent(event) )
3950             return TRUE;
3951     }
3952
3953     return FALSE;
3954 }
3955
3956 // ---------------------------------------------------------------------------
3957 // joystick
3958 // ---------------------------------------------------------------------------
3959
3960 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3961 {
3962 #ifdef JOY_BUTTON1
3963     int change = 0;
3964     if ( flags & JOY_BUTTON1CHG )
3965         change = wxJOY_BUTTON1;
3966     if ( flags & JOY_BUTTON2CHG )
3967         change = wxJOY_BUTTON2;
3968     if ( flags & JOY_BUTTON3CHG )
3969         change = wxJOY_BUTTON3;
3970     if ( flags & JOY_BUTTON4CHG )
3971         change = wxJOY_BUTTON4;
3972
3973     int buttons = 0;
3974     if ( flags & JOY_BUTTON1 )
3975         buttons |= wxJOY_BUTTON1;
3976     if ( flags & JOY_BUTTON2 )
3977         buttons |= wxJOY_BUTTON2;
3978     if ( flags & JOY_BUTTON3 )
3979         buttons |= wxJOY_BUTTON3;
3980     if ( flags & JOY_BUTTON4 )
3981         buttons |= wxJOY_BUTTON4;
3982
3983     // the event ids aren't consecutive so we can't use table based lookup
3984     int joystick;
3985     wxEventType eventType;
3986     switch ( msg )
3987     {
3988         case MM_JOY1MOVE:
3989             joystick = 1;
3990             eventType = wxEVT_JOY_MOVE;
3991             break;
3992
3993         case MM_JOY2MOVE:
3994             joystick = 2;
3995             eventType = wxEVT_JOY_MOVE;
3996             break;
3997
3998         case MM_JOY1ZMOVE:
3999             joystick = 1;
4000             eventType = wxEVT_JOY_ZMOVE;
4001             break;
4002
4003         case MM_JOY2ZMOVE:
4004             joystick = 2;
4005             eventType = wxEVT_JOY_ZMOVE;
4006             break;
4007
4008         case MM_JOY1BUTTONDOWN:
4009             joystick = 1;
4010             eventType = wxEVT_JOY_BUTTON_DOWN;
4011             break;
4012
4013         case MM_JOY2BUTTONDOWN:
4014             joystick = 2;
4015             eventType = wxEVT_JOY_BUTTON_DOWN;
4016             break;
4017
4018         case MM_JOY1BUTTONUP:
4019             joystick = 1;
4020             eventType = wxEVT_JOY_BUTTON_UP;
4021             break;
4022
4023         case MM_JOY2BUTTONUP:
4024             joystick = 2;
4025             eventType = wxEVT_JOY_BUTTON_UP;
4026             break;
4027
4028         default:
4029             wxFAIL_MSG(wxT("no such joystick event"));
4030
4031             return FALSE;
4032     }
4033
4034     wxJoystickEvent event(eventType, buttons, joystick, change);
4035     event.SetPosition(wxPoint(x, y));
4036     event.SetEventObject(this);
4037
4038     return GetEventHandler()->ProcessEvent(event);
4039 #else
4040     return FALSE;
4041 #endif
4042 }
4043
4044 // ---------------------------------------------------------------------------
4045 // scrolling
4046 // ---------------------------------------------------------------------------
4047
4048 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
4049                            WXWORD pos, WXHWND control)
4050 {
4051     if ( control )
4052     {
4053         wxWindow *child = wxFindWinFromHandle(control);
4054         if ( child )
4055             return child->MSWOnScroll(orientation, wParam, pos, control);
4056     }
4057
4058     wxScrollWinEvent event;
4059     event.SetPosition(pos);
4060     event.SetOrientation(orientation);
4061     event.m_eventObject = this;
4062
4063     switch ( wParam )
4064     {
4065     case SB_TOP:
4066         event.m_eventType = wxEVT_SCROLLWIN_TOP;
4067         break;
4068
4069     case SB_BOTTOM:
4070         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
4071         break;
4072
4073     case SB_LINEUP:
4074         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
4075         break;
4076
4077     case SB_LINEDOWN:
4078         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
4079         break;
4080
4081     case SB_PAGEUP:
4082         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
4083         break;
4084
4085     case SB_PAGEDOWN:
4086         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
4087         break;
4088
4089     case SB_THUMBPOSITION:
4090     case SB_THUMBTRACK:
4091 #ifdef __WIN32__
4092         // under Win32, the scrollbar range and position are 32 bit integers,
4093         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
4094         // explicitly query the scrollbar for the correct position (this must
4095         // be done only for these two SB_ events as they are the only one
4096         // carrying the scrollbar position)
4097         {
4098             SCROLLINFO scrollInfo;
4099             wxZeroMemory(scrollInfo);
4100             scrollInfo.cbSize = sizeof(SCROLLINFO);
4101             scrollInfo.fMask = SIF_TRACKPOS;
4102
4103             if ( !::GetScrollInfo(GetHwnd(),
4104                                   orientation == wxHORIZONTAL ? SB_HORZ
4105                                                               : SB_VERT,
4106                                   &scrollInfo) )
4107             {
4108                 wxLogLastError(_T("GetScrollInfo"));
4109             }
4110
4111             event.SetPosition(scrollInfo.nTrackPos);
4112         }
4113 #endif // Win32
4114
4115         event.m_eventType = wParam == SB_THUMBPOSITION
4116                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
4117                                 : wxEVT_SCROLLWIN_THUMBTRACK;
4118         break;
4119
4120     default:
4121         return FALSE;
4122     }
4123
4124     return GetEventHandler()->ProcessEvent(event);
4125 }
4126
4127 // ===========================================================================
4128 // global functions
4129 // ===========================================================================
4130
4131 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
4132 {
4133     TEXTMETRIC tm;
4134     HDC dc = ::GetDC((HWND) wnd);
4135     HFONT fnt =0;
4136     HFONT was = 0;
4137     if ( the_font )
4138     {
4139         //    the_font->UseResource();
4140         //    the_font->RealizeResource();
4141         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4142         if ( fnt )
4143             was = (HFONT) SelectObject(dc,fnt);
4144     }
4145     GetTextMetrics(dc, &tm);
4146     if ( the_font && fnt && was )
4147     {
4148         SelectObject(dc,was);
4149     }
4150     ReleaseDC((HWND)wnd, dc);
4151
4152     if ( x )
4153         *x = tm.tmAveCharWidth;
4154     if ( y )
4155         *y = tm.tmHeight + tm.tmExternalLeading;
4156
4157     //  if ( the_font )
4158     //    the_font->ReleaseResource();
4159 }
4160
4161 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4162 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4163 int wxCharCodeMSWToWX(int keySym)
4164 {
4165     int id;
4166     switch (keySym)
4167     {
4168         case VK_CANCEL:     id = WXK_CANCEL; break;
4169         case VK_BACK:       id = WXK_BACK; break;
4170         case VK_TAB:        id = WXK_TAB; break;
4171         case VK_CLEAR:      id = WXK_CLEAR; break;
4172         case VK_RETURN:     id = WXK_RETURN; break;
4173         case VK_SHIFT:      id = WXK_SHIFT; break;
4174         case VK_CONTROL:    id = WXK_CONTROL; break;
4175         case VK_MENU :      id = WXK_MENU; break;
4176         case VK_PAUSE:      id = WXK_PAUSE; break;
4177         case VK_SPACE:      id = WXK_SPACE; break;
4178         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4179         case VK_PRIOR:      id = WXK_PRIOR; break;
4180         case VK_NEXT :      id = WXK_NEXT; break;
4181         case VK_END:        id = WXK_END; break;
4182         case VK_HOME :      id = WXK_HOME; break;
4183         case VK_LEFT :      id = WXK_LEFT; break;
4184         case VK_UP:         id = WXK_UP; break;
4185         case VK_RIGHT:      id = WXK_RIGHT; break;
4186         case VK_DOWN :      id = WXK_DOWN; break;
4187         case VK_SELECT:     id = WXK_SELECT; break;
4188         case VK_PRINT:      id = WXK_PRINT; break;
4189         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4190         case VK_INSERT:     id = WXK_INSERT; break;
4191         case VK_DELETE:     id = WXK_DELETE; break;
4192         case VK_HELP :      id = WXK_HELP; break;
4193         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4194         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4195         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4196         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4197         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4198         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4199         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4200         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4201         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4202         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4203         case VK_MULTIPLY:   id = WXK_NUMPAD_MULTIPLY; break;
4204         case VK_ADD:        id = WXK_NUMPAD_ADD; break;
4205         case VK_SUBTRACT:   id = WXK_NUMPAD_SUBTRACT; break;
4206         case VK_DECIMAL:    id = WXK_NUMPAD_DECIMAL; break;
4207         case VK_DIVIDE:     id = WXK_NUMPAD_DIVIDE; break;
4208         case VK_F1:         id = WXK_F1; break;
4209         case VK_F2:         id = WXK_F2; break;
4210         case VK_F3:         id = WXK_F3; break;
4211         case VK_F4:         id = WXK_F4; break;
4212         case VK_F5:         id = WXK_F5; break;
4213         case VK_F6:         id = WXK_F6; break;
4214         case VK_F7:         id = WXK_F7; break;
4215         case VK_F8:         id = WXK_F8; break;
4216         case VK_F9:         id = WXK_F9; break;
4217         case VK_F10:        id = WXK_F10; break;
4218         case VK_F11:        id = WXK_F11; break;
4219         case VK_F12:        id = WXK_F12; break;
4220         case VK_F13:        id = WXK_F13; break;
4221         case VK_F14:        id = WXK_F14; break;
4222         case VK_F15:        id = WXK_F15; break;
4223         case VK_F16:        id = WXK_F16; break;
4224         case VK_F17:        id = WXK_F17; break;
4225         case VK_F18:        id = WXK_F18; break;
4226         case VK_F19:        id = WXK_F19; break;
4227         case VK_F20:        id = WXK_F20; break;
4228         case VK_F21:        id = WXK_F21; break;
4229         case VK_F22:        id = WXK_F22; break;
4230         case VK_F23:        id = WXK_F23; break;
4231         case VK_F24:        id = WXK_F24; break;
4232         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4233         case VK_SCROLL:     id = WXK_SCROLL; break;
4234         default:
4235             id = 0;
4236     }
4237
4238     return id;
4239 }
4240
4241 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4242 {
4243     *isVirtual = TRUE;
4244     int keySym = 0;
4245     switch (id)
4246     {
4247     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4248     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4249     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4250     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4251     case WXK_MENU :     keySym = VK_MENU; break;
4252     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4253     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4254     case WXK_NEXT :     keySym = VK_NEXT; break;
4255     case WXK_END:       keySym = VK_END; break;
4256     case WXK_HOME :     keySym = VK_HOME; break;
4257     case WXK_LEFT :     keySym = VK_LEFT; break;
4258     case WXK_UP:        keySym = VK_UP; break;
4259     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4260     case WXK_DOWN :     keySym = VK_DOWN; break;
4261     case WXK_SELECT:    keySym = VK_SELECT; break;
4262     case WXK_PRINT:     keySym = VK_PRINT; break;
4263     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4264     case WXK_INSERT:    keySym = VK_INSERT; break;
4265     case WXK_DELETE:    keySym = VK_DELETE; break;
4266     case WXK_HELP :     keySym = VK_HELP; break;
4267     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4268     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4269     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4270     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4271     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4272     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4273     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4274     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4275     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4276     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4277     case WXK_NUMPAD_MULTIPLY:  keySym = VK_MULTIPLY; break;
4278     case WXK_NUMPAD_ADD:       keySym = VK_ADD; break;
4279     case WXK_NUMPAD_SUBTRACT:  keySym = VK_SUBTRACT; break;
4280     case WXK_NUMPAD_DECIMAL:   keySym = VK_DECIMAL; break;
4281     case WXK_NUMPAD_DIVIDE:    keySym = VK_DIVIDE; break;
4282     case WXK_F1:        keySym = VK_F1; break;
4283     case WXK_F2:        keySym = VK_F2; break;
4284     case WXK_F3:        keySym = VK_F3; break;
4285     case WXK_F4:        keySym = VK_F4; break;
4286     case WXK_F5:        keySym = VK_F5; break;
4287     case WXK_F6:        keySym = VK_F6; break;
4288     case WXK_F7:        keySym = VK_F7; break;
4289     case WXK_F8:        keySym = VK_F8; break;
4290     case WXK_F9:        keySym = VK_F9; break;
4291     case WXK_F10:       keySym = VK_F10; break;
4292     case WXK_F11:       keySym = VK_F11; break;
4293     case WXK_F12:       keySym = VK_F12; break;
4294     case WXK_F13:       keySym = VK_F13; break;
4295     case WXK_F14:       keySym = VK_F14; break;
4296     case WXK_F15:       keySym = VK_F15; break;
4297     case WXK_F16:       keySym = VK_F16; break;
4298     case WXK_F17:       keySym = VK_F17; break;
4299     case WXK_F18:       keySym = VK_F18; break;
4300     case WXK_F19:       keySym = VK_F19; break;
4301     case WXK_F20:       keySym = VK_F20; break;
4302     case WXK_F21:       keySym = VK_F21; break;
4303     case WXK_F22:       keySym = VK_F22; break;
4304     case WXK_F23:       keySym = VK_F23; break;
4305     case WXK_F24:       keySym = VK_F24; break;
4306     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4307     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4308     default:
4309         {
4310             *isVirtual = FALSE;
4311             keySym = id;
4312             break;
4313         }
4314     }
4315     return keySym;
4316 }
4317
4318 wxWindow *wxGetActiveWindow()
4319 {
4320     HWND hWnd = GetActiveWindow();
4321     if ( hWnd != 0 )
4322     {
4323         return wxFindWinFromHandle((WXHWND) hWnd);
4324     }
4325     return NULL;
4326 }
4327
4328 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4329 {
4330     HWND hwnd = (HWND)hWnd;
4331
4332     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4333     // by code in msw/radiobox.cpp), for all the others we just search up the
4334     // window hierarchy
4335     wxWindow *win = (wxWindow *)NULL;
4336     if ( hwnd )
4337     {
4338         win = wxFindWinFromHandle((WXHWND)hwnd);
4339         if ( !win )
4340         {
4341             // all these hacks only work under Win32 anyhow
4342 #ifdef __WIN32__
4343
4344 #if wxUSE_RADIOBOX
4345             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4346             // wxWindow class which overrides WM_GETDLGCODE processing to
4347             // do it as well, win would be already non NULL
4348             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4349             {
4350                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4351             }
4352             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4353 #endif // wxUSE_RADIOBOX
4354
4355             // spin control text buddy window should be mapped to spin ctrl
4356             // itself so try it too
4357 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4358             if ( !win )
4359             {
4360                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4361             }
4362 #endif // wxUSE_SPINCTRL
4363
4364 #endif // Win32
4365         }
4366     }
4367
4368     while ( hwnd && !win )
4369     {
4370         // this is a really ugly hack needed to avoid mistakenly returning the
4371         // parent frame wxWindow for the find/replace modeless dialog HWND -
4372         // this, in turn, is needed to call IsDialogMessage() from
4373         // wxApp::ProcessMessage() as for this we must return NULL from here
4374         //
4375         // FIXME: this is clearly not the best way to do it but I think we'll
4376         //        need to change HWND <-> wxWindow code more heavily than I can
4377         //        do it now to fix it
4378         if ( ::GetWindow(hwnd, GW_OWNER) )
4379         {
4380             // it's a dialog box, don't go upwards
4381             break;
4382         }
4383
4384         hwnd = ::GetParent(hwnd);
4385         win = wxFindWinFromHandle((WXHWND)hwnd);
4386     }
4387
4388     return win;
4389 }
4390
4391 #ifndef __WXMICROWIN__
4392
4393 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4394 // in active frames and dialogs, regardless of where the focus is.
4395 static HHOOK wxTheKeyboardHook = 0;
4396 static FARPROC wxTheKeyboardHookProc = 0;
4397 int APIENTRY _EXPORT
4398 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4399
4400 void wxSetKeyboardHook(bool doIt)
4401 {
4402     if ( doIt )
4403     {
4404         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4405         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4406
4407 #if defined(__WIN32__) && !defined(__TWIN32__)
4408             GetCurrentThreadId()
4409         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4410 #else
4411             GetCurrentTask()
4412 #endif
4413             );
4414     }
4415     else
4416     {
4417         UnhookWindowsHookEx(wxTheKeyboardHook);
4418
4419         // avoids warning about statement with no effect (FreeProcInstance
4420         // doesn't do anything under Win32)
4421 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4422         FreeProcInstance(wxTheKeyboardHookProc);
4423 #endif
4424     }
4425 }
4426
4427 int APIENTRY _EXPORT
4428 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4429 {
4430     DWORD hiWord = HIWORD(lParam);
4431     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4432     {
4433         int id = wxCharCodeMSWToWX(wParam);
4434         if ( id != 0 )
4435         {
4436             wxKeyEvent event(wxEVT_CHAR_HOOK);
4437             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4438                 event.m_altDown = TRUE;
4439
4440             event.m_eventObject = NULL;
4441             event.m_keyCode = id;
4442             event.m_shiftDown = wxIsShiftDown();
4443             event.m_controlDown = wxIsCtrlDown();
4444             event.SetTimestamp(s_currentMsg.time);
4445
4446             wxWindow *win = wxGetActiveWindow();
4447             wxEvtHandler *handler;
4448             if ( win )
4449             {
4450                 handler = win->GetEventHandler();
4451                 event.SetId(win->GetId());
4452             }
4453             else
4454             {
4455                 handler = wxTheApp;
4456                 event.SetId(-1);
4457             }
4458
4459             if ( handler && handler->ProcessEvent(event) )
4460             {
4461                 // processed
4462                 return 1;
4463             }
4464         }
4465     }
4466
4467     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4468 }
4469
4470 #endif // !__WXMICROWIN__
4471
4472 #ifdef __WXDEBUG__
4473 const char *wxGetMessageName(int message)
4474 {
4475     switch ( message )
4476     {
4477         case 0x0000: return "WM_NULL";
4478         case 0x0001: return "WM_CREATE";
4479         case 0x0002: return "WM_DESTROY";
4480         case 0x0003: return "WM_MOVE";
4481         case 0x0005: return "WM_SIZE";
4482         case 0x0006: return "WM_ACTIVATE";
4483         case 0x0007: return "WM_SETFOCUS";
4484         case 0x0008: return "WM_KILLFOCUS";
4485         case 0x000A: return "WM_ENABLE";
4486         case 0x000B: return "WM_SETREDRAW";
4487         case 0x000C: return "WM_SETTEXT";
4488         case 0x000D: return "WM_GETTEXT";
4489         case 0x000E: return "WM_GETTEXTLENGTH";
4490         case 0x000F: return "WM_PAINT";
4491         case 0x0010: return "WM_CLOSE";
4492         case 0x0011: return "WM_QUERYENDSESSION";
4493         case 0x0012: return "WM_QUIT";
4494         case 0x0013: return "WM_QUERYOPEN";
4495         case 0x0014: return "WM_ERASEBKGND";
4496         case 0x0015: return "WM_SYSCOLORCHANGE";
4497         case 0x0016: return "WM_ENDSESSION";
4498         case 0x0017: return "WM_SYSTEMERROR";
4499         case 0x0018: return "WM_SHOWWINDOW";
4500         case 0x0019: return "WM_CTLCOLOR";
4501         case 0x001A: return "WM_WININICHANGE";
4502         case 0x001B: return "WM_DEVMODECHANGE";
4503         case 0x001C: return "WM_ACTIVATEAPP";
4504         case 0x001D: return "WM_FONTCHANGE";
4505         case 0x001E: return "WM_TIMECHANGE";
4506         case 0x001F: return "WM_CANCELMODE";
4507         case 0x0020: return "WM_SETCURSOR";
4508         case 0x0021: return "WM_MOUSEACTIVATE";
4509         case 0x0022: return "WM_CHILDACTIVATE";
4510         case 0x0023: return "WM_QUEUESYNC";
4511         case 0x0024: return "WM_GETMINMAXINFO";
4512         case 0x0026: return "WM_PAINTICON";
4513         case 0x0027: return "WM_ICONERASEBKGND";
4514         case 0x0028: return "WM_NEXTDLGCTL";
4515         case 0x002A: return "WM_SPOOLERSTATUS";
4516         case 0x002B: return "WM_DRAWITEM";
4517         case 0x002C: return "WM_MEASUREITEM";
4518         case 0x002D: return "WM_DELETEITEM";
4519         case 0x002E: return "WM_VKEYTOITEM";
4520         case 0x002F: return "WM_CHARTOITEM";
4521         case 0x0030: return "WM_SETFONT";
4522         case 0x0031: return "WM_GETFONT";
4523         case 0x0037: return "WM_QUERYDRAGICON";
4524         case 0x0039: return "WM_COMPAREITEM";
4525         case 0x0041: return "WM_COMPACTING";
4526         case 0x0044: return "WM_COMMNOTIFY";
4527         case 0x0046: return "WM_WINDOWPOSCHANGING";
4528         case 0x0047: return "WM_WINDOWPOSCHANGED";
4529         case 0x0048: return "WM_POWER";
4530
4531 #ifdef  __WIN32__
4532         case 0x004A: return "WM_COPYDATA";
4533         case 0x004B: return "WM_CANCELJOURNAL";
4534         case 0x004E: return "WM_NOTIFY";
4535         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4536         case 0x0051: return "WM_INPUTLANGCHANGE";
4537         case 0x0052: return "WM_TCARD";
4538         case 0x0053: return "WM_HELP";
4539         case 0x0054: return "WM_USERCHANGED";
4540         case 0x0055: return "WM_NOTIFYFORMAT";
4541         case 0x007B: return "WM_CONTEXTMENU";
4542         case 0x007C: return "WM_STYLECHANGING";
4543         case 0x007D: return "WM_STYLECHANGED";
4544         case 0x007E: return "WM_DISPLAYCHANGE";
4545         case 0x007F: return "WM_GETICON";
4546         case 0x0080: return "WM_SETICON";
4547 #endif  //WIN32
4548
4549         case 0x0081: return "WM_NCCREATE";
4550         case 0x0082: return "WM_NCDESTROY";
4551         case 0x0083: return "WM_NCCALCSIZE";
4552         case 0x0084: return "WM_NCHITTEST";
4553         case 0x0085: return "WM_NCPAINT";
4554         case 0x0086: return "WM_NCACTIVATE";
4555         case 0x0087: return "WM_GETDLGCODE";
4556         case 0x00A0: return "WM_NCMOUSEMOVE";
4557         case 0x00A1: return "WM_NCLBUTTONDOWN";
4558         case 0x00A2: return "WM_NCLBUTTONUP";
4559         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4560         case 0x00A4: return "WM_NCRBUTTONDOWN";
4561         case 0x00A5: return "WM_NCRBUTTONUP";
4562         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4563         case 0x00A7: return "WM_NCMBUTTONDOWN";
4564         case 0x00A8: return "WM_NCMBUTTONUP";
4565         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4566         case 0x0100: return "WM_KEYDOWN";
4567         case 0x0101: return "WM_KEYUP";
4568         case 0x0102: return "WM_CHAR";
4569         case 0x0103: return "WM_DEADCHAR";
4570         case 0x0104: return "WM_SYSKEYDOWN";
4571         case 0x0105: return "WM_SYSKEYUP";
4572         case 0x0106: return "WM_SYSCHAR";
4573         case 0x0107: return "WM_SYSDEADCHAR";
4574         case 0x0108: return "WM_KEYLAST";
4575
4576 #ifdef  __WIN32__
4577         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4578         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4579         case 0x010F: return "WM_IME_COMPOSITION";
4580 #endif  //WIN32
4581
4582         case 0x0110: return "WM_INITDIALOG";
4583         case 0x0111: return "WM_COMMAND";
4584         case 0x0112: return "WM_SYSCOMMAND";
4585         case 0x0113: return "WM_TIMER";
4586         case 0x0114: return "WM_HSCROLL";
4587         case 0x0115: return "WM_VSCROLL";
4588         case 0x0116: return "WM_INITMENU";
4589         case 0x0117: return "WM_INITMENUPOPUP";
4590         case 0x011F: return "WM_MENUSELECT";
4591         case 0x0120: return "WM_MENUCHAR";
4592         case 0x0121: return "WM_ENTERIDLE";
4593         case 0x0200: return "WM_MOUSEMOVE";
4594         case 0x0201: return "WM_LBUTTONDOWN";
4595         case 0x0202: return "WM_LBUTTONUP";
4596         case 0x0203: return "WM_LBUTTONDBLCLK";
4597         case 0x0204: return "WM_RBUTTONDOWN";
4598         case 0x0205: return "WM_RBUTTONUP";
4599         case 0x0206: return "WM_RBUTTONDBLCLK";
4600         case 0x0207: return "WM_MBUTTONDOWN";
4601         case 0x0208: return "WM_MBUTTONUP";
4602         case 0x0209: return "WM_MBUTTONDBLCLK";
4603         case 0x020A: return "WM_MOUSEWHEEL";
4604         case 0x0210: return "WM_PARENTNOTIFY";
4605         case 0x0211: return "WM_ENTERMENULOOP";
4606         case 0x0212: return "WM_EXITMENULOOP";
4607
4608 #ifdef  __WIN32__
4609         case 0x0213: return "WM_NEXTMENU";
4610         case 0x0214: return "WM_SIZING";
4611         case 0x0215: return "WM_CAPTURECHANGED";
4612         case 0x0216: return "WM_MOVING";
4613         case 0x0218: return "WM_POWERBROADCAST";
4614         case 0x0219: return "WM_DEVICECHANGE";
4615 #endif  //WIN32
4616
4617         case 0x0220: return "WM_MDICREATE";
4618         case 0x0221: return "WM_MDIDESTROY";
4619         case 0x0222: return "WM_MDIACTIVATE";
4620         case 0x0223: return "WM_MDIRESTORE";
4621         case 0x0224: return "WM_MDINEXT";
4622         case 0x0225: return "WM_MDIMAXIMIZE";
4623         case 0x0226: return "WM_MDITILE";
4624         case 0x0227: return "WM_MDICASCADE";
4625         case 0x0228: return "WM_MDIICONARRANGE";
4626         case 0x0229: return "WM_MDIGETACTIVE";
4627         case 0x0230: return "WM_MDISETMENU";
4628         case 0x0233: return "WM_DROPFILES";
4629
4630 #ifdef  __WIN32__
4631         case 0x0281: return "WM_IME_SETCONTEXT";
4632         case 0x0282: return "WM_IME_NOTIFY";
4633         case 0x0283: return "WM_IME_CONTROL";
4634         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4635         case 0x0285: return "WM_IME_SELECT";
4636         case 0x0286: return "WM_IME_CHAR";
4637         case 0x0290: return "WM_IME_KEYDOWN";
4638         case 0x0291: return "WM_IME_KEYUP";
4639 #endif  //WIN32
4640
4641         case 0x0300: return "WM_CUT";
4642         case 0x0301: return "WM_COPY";
4643         case 0x0302: return "WM_PASTE";
4644         case 0x0303: return "WM_CLEAR";
4645         case 0x0304: return "WM_UNDO";
4646         case 0x0305: return "WM_RENDERFORMAT";
4647         case 0x0306: return "WM_RENDERALLFORMATS";
4648         case 0x0307: return "WM_DESTROYCLIPBOARD";
4649         case 0x0308: return "WM_DRAWCLIPBOARD";
4650         case 0x0309: return "WM_PAINTCLIPBOARD";
4651         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4652         case 0x030B: return "WM_SIZECLIPBOARD";
4653         case 0x030C: return "WM_ASKCBFORMATNAME";
4654         case 0x030D: return "WM_CHANGECBCHAIN";
4655         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4656         case 0x030F: return "WM_QUERYNEWPALETTE";
4657         case 0x0310: return "WM_PALETTEISCHANGING";
4658         case 0x0311: return "WM_PALETTECHANGED";
4659
4660 #ifdef __WIN32__
4661         // common controls messages - although they're not strictly speaking
4662         // standard, it's nice to decode them nevertheless
4663
4664         // listview
4665         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4666         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4667         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4668         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4669         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4670         case 0x1000 + 5: return "LVM_GETITEMA";
4671         case 0x1000 + 75: return "LVM_GETITEMW";
4672         case 0x1000 + 6: return "LVM_SETITEMA";
4673         case 0x1000 + 76: return "LVM_SETITEMW";
4674         case 0x1000 + 7: return "LVM_INSERTITEMA";
4675         case 0x1000 + 77: return "LVM_INSERTITEMW";
4676         case 0x1000 + 8: return "LVM_DELETEITEM";
4677         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4678         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4679         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4680         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4681         case 0x1000 + 13: return "LVM_FINDITEMA";
4682         case 0x1000 + 83: return "LVM_FINDITEMW";
4683         case 0x1000 + 14: return "LVM_GETITEMRECT";
4684         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4685         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4686         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4687         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4688         case 0x1000 + 18: return "LVM_HITTEST";
4689         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4690         case 0x1000 + 20: return "LVM_SCROLL";
4691         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4692         case 0x1000 + 22: return "LVM_ARRANGE";
4693         case 0x1000 + 23: return "LVM_EDITLABELA";
4694         case 0x1000 + 118: return "LVM_EDITLABELW";
4695         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4696         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4697         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4698         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4699         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4700         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4701         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4702         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4703         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4704         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4705         case 0x1000 + 31: return "LVM_GETHEADER";
4706         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4707         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4708         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4709         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4710         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4711         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4712         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4713         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4714         case 0x1000 + 41: return "LVM_GETORIGIN";
4715         case 0x1000 + 42: return "LVM_UPDATE";
4716         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4717         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4718         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4719         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4720         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4721         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4722         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4723         case 0x1000 + 48: return "LVM_SORTITEMS";
4724         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4725         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4726         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4727         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4728         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4729         case 0x1000 + 53: return "LVM_SETICONSPACING";
4730         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4731         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4732         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4733         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4734         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4735         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4736         case 0x1000 + 60: return "LVM_SETHOTITEM";
4737         case 0x1000 + 61: return "LVM_GETHOTITEM";
4738         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4739         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4740         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4741         case 0x1000 + 65: return "LVM_SETWORKAREA";
4742
4743         // tree view
4744         case 0x1100 + 0: return "TVM_INSERTITEMA";
4745         case 0x1100 + 50: return "TVM_INSERTITEMW";
4746         case 0x1100 + 1: return "TVM_DELETEITEM";
4747         case 0x1100 + 2: return "TVM_EXPAND";
4748         case 0x1100 + 4: return "TVM_GETITEMRECT";
4749         case 0x1100 + 5: return "TVM_GETCOUNT";
4750         case 0x1100 + 6: return "TVM_GETINDENT";
4751         case 0x1100 + 7: return "TVM_SETINDENT";
4752         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4753         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4754         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4755         case 0x1100 + 11: return "TVM_SELECTITEM";
4756         case 0x1100 + 12: return "TVM_GETITEMA";
4757         case 0x1100 + 62: return "TVM_GETITEMW";
4758         case 0x1100 + 13: return "TVM_SETITEMA";
4759         case 0x1100 + 63: return "TVM_SETITEMW";
4760         case 0x1100 + 14: return "TVM_EDITLABELA";
4761         case 0x1100 + 65: return "TVM_EDITLABELW";
4762         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4763         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4764         case 0x1100 + 17: return "TVM_HITTEST";
4765         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4766         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4767         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4768         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4769         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4770         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4771         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4772         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4773         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4774
4775         // header
4776         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4777         case 0x1200 + 1: return "HDM_INSERTITEMA";
4778         case 0x1200 + 10: return "HDM_INSERTITEMW";
4779         case 0x1200 + 2: return "HDM_DELETEITEM";
4780         case 0x1200 + 3: return "HDM_GETITEMA";
4781         case 0x1200 + 11: return "HDM_GETITEMW";
4782         case 0x1200 + 4: return "HDM_SETITEMA";
4783         case 0x1200 + 12: return "HDM_SETITEMW";
4784         case 0x1200 + 5: return "HDM_LAYOUT";
4785         case 0x1200 + 6: return "HDM_HITTEST";
4786         case 0x1200 + 7: return "HDM_GETITEMRECT";
4787         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4788         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4789         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4790         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4791         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4792         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4793         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4794
4795         // tab control
4796         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4797         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4798         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4799         case 0x1300 + 5: return "TCM_GETITEMA";
4800         case 0x1300 + 60: return "TCM_GETITEMW";
4801         case 0x1300 + 6: return "TCM_SETITEMA";
4802         case 0x1300 + 61: return "TCM_SETITEMW";
4803         case 0x1300 + 7: return "TCM_INSERTITEMA";
4804         case 0x1300 + 62: return "TCM_INSERTITEMW";
4805         case 0x1300 + 8: return "TCM_DELETEITEM";
4806         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4807         case 0x1300 + 10: return "TCM_GETITEMRECT";
4808         case 0x1300 + 11: return "TCM_GETCURSEL";
4809         case 0x1300 + 12: return "TCM_SETCURSEL";
4810         case 0x1300 + 13: return "TCM_HITTEST";
4811         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4812         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4813         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4814         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4815         case 0x1300 + 43: return "TCM_SETPADDING";
4816         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4817         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4818         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4819         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4820         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4821         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4822         case 0x1300 + 50: return "TCM_DESELECTALL";
4823
4824         // toolbar
4825         case WM_USER+1: return "TB_ENABLEBUTTON";
4826         case WM_USER+2: return "TB_CHECKBUTTON";
4827         case WM_USER+3: return "TB_PRESSBUTTON";
4828         case WM_USER+4: return "TB_HIDEBUTTON";
4829         case WM_USER+5: return "TB_INDETERMINATE";
4830         case WM_USER+9: return "TB_ISBUTTONENABLED";
4831         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4832         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4833         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4834         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4835         case WM_USER+17: return "TB_SETSTATE";
4836         case WM_USER+18: return "TB_GETSTATE";
4837         case WM_USER+19: return "TB_ADDBITMAP";
4838         case WM_USER+20: return "TB_ADDBUTTONS";
4839         case WM_USER+21: return "TB_INSERTBUTTON";
4840         case WM_USER+22: return "TB_DELETEBUTTON";
4841         case WM_USER+23: return "TB_GETBUTTON";
4842         case WM_USER+24: return "TB_BUTTONCOUNT";
4843         case WM_USER+25: return "TB_COMMANDTOINDEX";
4844         case WM_USER+26: return "TB_SAVERESTOREA";
4845         case WM_USER+76: return "TB_SAVERESTOREW";
4846         case WM_USER+27: return "TB_CUSTOMIZE";
4847         case WM_USER+28: return "TB_ADDSTRINGA";
4848         case WM_USER+77: return "TB_ADDSTRINGW";
4849         case WM_USER+29: return "TB_GETITEMRECT";
4850         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4851         case WM_USER+31: return "TB_SETBUTTONSIZE";
4852         case WM_USER+32: return "TB_SETBITMAPSIZE";
4853         case WM_USER+33: return "TB_AUTOSIZE";
4854         case WM_USER+35: return "TB_GETTOOLTIPS";
4855         case WM_USER+36: return "TB_SETTOOLTIPS";
4856         case WM_USER+37: return "TB_SETPARENT";
4857         case WM_USER+39: return "TB_SETROWS";
4858         case WM_USER+40: return "TB_GETROWS";
4859         case WM_USER+42: return "TB_SETCMDID";
4860         case WM_USER+43: return "TB_CHANGEBITMAP";
4861         case WM_USER+44: return "TB_GETBITMAP";
4862         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4863         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4864         case WM_USER+46: return "TB_REPLACEBITMAP";
4865         case WM_USER+47: return "TB_SETINDENT";
4866         case WM_USER+48: return "TB_SETIMAGELIST";
4867         case WM_USER+49: return "TB_GETIMAGELIST";
4868         case WM_USER+50: return "TB_LOADIMAGES";
4869         case WM_USER+51: return "TB_GETRECT";
4870         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4871         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4872         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4873         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4874         case WM_USER+56: return "TB_SETSTYLE";
4875         case WM_USER+57: return "TB_GETSTYLE";
4876         case WM_USER+58: return "TB_GETBUTTONSIZE";
4877         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4878         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4879         case WM_USER+61: return "TB_GETTEXTROWS";
4880         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4881
4882 #endif //WIN32
4883
4884         default:
4885             static char s_szBuf[128];
4886             sprintf(s_szBuf, "<unknown message = %d>", message);
4887             return s_szBuf;
4888     }
4889 }
4890 #endif //__WXDEBUG__
4891
4892 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4893                                      int *x, int *y, WPARAM *flags)
4894 {
4895     // construct the key mask
4896     WPARAM& fwKeys = *flags;
4897
4898     fwKeys = MK_RBUTTON;
4899     if ( wxIsCtrlDown() )
4900         fwKeys |= MK_CONTROL;
4901     if ( wxIsShiftDown() )
4902         fwKeys |= MK_SHIFT;
4903
4904     // simulate right mouse button click
4905     DWORD dwPos = ::GetMessagePos();
4906     *x = GET_X_LPARAM(dwPos);
4907     *y = GET_Y_LPARAM(dwPos);
4908
4909     win->ScreenToClient(x, y);
4910 }
4911
4912 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4913 {
4914     // prepare the DC
4915     TEXTMETRIC tm;
4916     HWND hwnd = GetHwndOf(win);
4917     HDC hdc = ::GetDC(hwnd);
4918
4919 #if !wxDIALOG_UNIT_COMPATIBILITY
4920     // and select the current font into it
4921     HFONT hfont = GetHfontOf(win->GetFont());
4922     if ( hfont )
4923     {
4924         hfont = (HFONT)::SelectObject(hdc, hfont);
4925     }
4926 #endif
4927
4928     // finally retrieve the text metrics from it
4929     GetTextMetrics(hdc, &tm);
4930
4931 #if !wxDIALOG_UNIT_COMPATIBILITY
4932     // and clean up
4933     if ( hfont )
4934     {
4935         (void)::SelectObject(hdc, hfont);
4936     }
4937 #endif
4938
4939     ::ReleaseDC(hwnd, hdc);
4940
4941     return tm;
4942 }
4943
4944 // Find the wxWindow at the current mouse position, returning the mouse
4945 // position.
4946 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4947 {
4948     return wxFindWindowAtPoint(wxGetMousePosition());
4949 }
4950
4951 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4952 {
4953     POINT pt2;
4954     pt2.x = pt.x;
4955     pt2.y = pt.y;
4956     HWND hWndHit = ::WindowFromPoint(pt2);
4957
4958     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4959     HWND hWnd = hWndHit;
4960
4961     // Try to find a window with a wxWindow associated with it
4962     while (!win && (hWnd != 0))
4963     {
4964         hWnd = ::GetParent(hWnd);
4965         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4966     }
4967     return win;
4968 }
4969
4970 // Get the current mouse position.
4971 wxPoint wxGetMousePosition()
4972 {
4973     POINT pt;
4974     GetCursorPos( & pt );
4975     return wxPoint(pt.x, pt.y);
4976 }
4977