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/panel.h"
  43     #include "wx/layout.h"
  44     #include "wx/dialog.h"
  45     #include "wx/frame.h"
  46     #include "wx/listbox.h"
  47     #include "wx/button.h"
  48     #include "wx/msgdlg.h"
  49     #include "wx/settings.h"
  50     #include "wx/statbox.h"
  51 #endif
  52
  53 #if wxUSE_OWNER_DRAWN
  54     #include "wx/ownerdrw.h"
  55 #endif
  56
  57 #if wxUSE_DRAG_AND_DROP
  58     #include "wx/dnd.h"
  59 #endif
  60
  61 #include "wx/menuitem.h"
  62 #include "wx/log.h"
  63
  64 #include "wx/msw/private.h"
  65
  66 #if wxUSE_TOOLTIPS
  67     #include "wx/tooltip.h"
  68 #endif
  69
  70 #if wxUSE_CARET
  71     #include "wx/caret.h"
  72 #endif // wxUSE_CARET
  73
  74 #if wxUSE_SPINCTRL
  75     #include "wx/spinctrl.h"
  76 #endif // wxUSE_SPINCTRL
  77
  78 #include "wx/intl.h"
  79 #include "wx/log.h"
  80
  81 #include "wx/textctrl.h"
  82 #include "wx/notebook.h"
  83
  84 #include <string.h>
  85
  86 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  87     #include <shellapi.h>
  88     #include <mmsystem.h>
  89 #endif
  90
  91 #ifdef __WIN32__
  92     #include <windowsx.h>
  93 #endif
  94
  95 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  96     #ifdef __WIN95__
  97         #include <commctrl.h>
  98     #endif
  99 #elif !defined(__WXMICROWIN__) // broken compiler
 100     #ifndef __TWIN32__
 101         #include "wx/msw/gnuwin32/extra.h"
 102     #endif
 103 #endif
 104
 105 // This didn't appear in mingw until 2.95.2
 106 #ifndef SIF_TRACKPOS
 107 #define SIF_TRACKPOS 16
 108 #endif
 109
 110 #if wxUSE_MOUSEWHEEL
 111     #ifndef WM_MOUSEWHEEL
 112         #define WM_MOUSEWHEEL           0x020A
 113     #endif
 114     #ifndef WHEEL_DELTA
 115         #define WHEEL_DELTA             120
 116     #endif
 117     #ifndef SPI_GETWHEELSCROLLLINES
 118         #define SPI_GETWHEELSCROLLLINES 104
 119     #endif
 120 #endif
 121
 122
 123 // ---------------------------------------------------------------------------
 124 // global variables
 125 // ---------------------------------------------------------------------------
 126
 127 // the last Windows message we got (MT-UNSAFE)
 128 extern MSG s_currentMsg;
 129
 130 #if wxUSE_MENUS_NATIVE
 131 wxMenu *wxCurrentPopupMenu = NULL;
 132 #endif // wxUSE_MENUS_NATIVE
 133
 134 extern wxList WXDLLEXPORT wxPendingDelete;
 135 extern const wxChar *wxCanvasClassName;
 136
 137 // ---------------------------------------------------------------------------
 138 // private functions
 139 // ---------------------------------------------------------------------------
 140
 141 // the window proc for all our windows
 142 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 143                                    WPARAM wParam, LPARAM lParam);
 144
 145 #ifdef  __WXDEBUG__
 146     const char *wxGetMessageName(int message);
 147 #endif  //__WXDEBUG__
 148
 149 void wxRemoveHandleAssociation(wxWindowMSW *win);
 150 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 151 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 152
 153 // this magical function is used to translate VK_APPS key presses to right
 154 // mouse clicks
 155 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 156                                      int *x, int *y, WPARAM *flags);
 157
 158 // get the text metrics for the current font
 159 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 160
 161 // check if the mouse is in the window or its child
 162 //static bool IsMouseInWindow(HWND hwnd);
 163
 164 // ---------------------------------------------------------------------------
 165 // event tables
 166 // ---------------------------------------------------------------------------
 167
 168 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 169 // method
 170 #ifdef __WXUNIVERSAL__
 171     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 172 #else // __WXMSW__
 173     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 174 #endif // __WXUNIVERSAL__/__WXMSW__
 175
 176 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 177     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 178     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 179     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 180     EVT_IDLE(wxWindowMSW::OnIdle)
 181     EVT_SET_FOCUS(wxWindowMSW::OnSetFocus)
 182 END_EVENT_TABLE()
 183
 184 // ===========================================================================
 185 // implementation
 186 // ===========================================================================
 187
 188 // ---------------------------------------------------------------------------
 189 // wxWindow utility functions
 190 // ---------------------------------------------------------------------------
 191
 192 // Find an item given the MS Windows id
 193 wxWindow *wxWindowMSW::FindItem(long id) const
 194 {
 195 #if wxUSE_CONTROLS
 196     wxControl *item = wxDynamicCastThis(wxControl);
 197     if ( item )
 198     {
 199         // is it we or one of our "internal" children?
 200         if ( item->GetId() == id
 201 #ifndef __WXUNIVERSAL__
 202                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 203 #endif // __WXUNIVERSAL__
 204            )
 205         {
 206             return item;
 207         }
 208     }
 209 #endif // wxUSE_CONTROLS
 210
 211     wxWindowList::Node *current = GetChildren().GetFirst();
 212     while (current)
 213     {
 214         wxWindow *childWin = current->GetData();
 215
 216         wxWindow *wnd = childWin->FindItem(id);
 217         if ( wnd )
 218             return wnd;
 219
 220         current = current->GetNext();
 221     }
 222
 223     return NULL;
 224 }
 225
 226 // Find an item given the MS Windows handle
 227 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 228 {
 229     wxWindowList::Node *current = GetChildren().GetFirst();
 230     while (current)
 231     {
 232         wxWindow *parent = current->GetData();
 233
 234         // Do a recursive search.
 235         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 236         if ( wnd )
 237             return wnd;
 238
 239         if ( !controlOnly
 240 #if wxUSE_CONTROLS
 241                 || parent->IsKindOf(CLASSINFO(wxControl))
 242 #endif // wxUSE_CONTROLS
 243            )
 244         {
 245             wxWindow *item = current->GetData();
 246             if ( item->GetHWND() == hWnd )
 247                 return item;
 248             else
 249             {
 250                 if ( item->ContainsHWND(hWnd) )
 251                     return item;
 252             }
 253         }
 254
 255         current = current->GetNext();
 256     }
 257     return NULL;
 258 }
 259
 260 // Default command handler
 261 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 262 {
 263     return FALSE;
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // constructors and such
 268 // ----------------------------------------------------------------------------
 269
 270 void wxWindowMSW::Init()
 271 {
 272     // generic
 273     InitBase();
 274
 275     // MSW specific
 276     m_doubleClickAllowed = 0;
 277
 278     m_isBeingDeleted = FALSE;
 279     m_oldWndProc = 0;
 280     m_useCtl3D = FALSE;
 281     m_mouseInWindow = FALSE;
 282
 283     // wxWnd
 284     m_hMenu = 0;
 285
 286     m_hWnd = 0;
 287
 288     // pass WM_GETDLGCODE to DefWindowProc()
 289     m_lDlgCode = 0;
 290
 291     m_xThumbSize = 0;
 292     m_yThumbSize = 0;
 293     m_backgroundTransparent = FALSE;
 294
 295     // as all windows are created with WS_VISIBLE style...
 296     m_isShown = TRUE;
 297
 298 #if wxUSE_MOUSEEVENT_HACK
 299     m_lastMouseX =
 300     m_lastMouseY = -1;
 301     m_lastMouseEvent = -1;
 302 #endif // wxUSE_MOUSEEVENT_HACK
 303 }
 304
 305 // Destructor
 306 wxWindowMSW::~wxWindowMSW()
 307 {
 308     m_isBeingDeleted = TRUE;
 309
 310     MSWDetachWindowMenu();
 311
 312     // VS: make sure there's no wxFrame with last focus set to us:
 313     for (wxWindow *win = GetParent(); win; win = win->GetParent())
 314     {
 315         wxFrame *frame = wxDynamicCast(win, wxFrame);
 316         if ( frame )
 317         {
 318             if ( frame->GetLastFocus() == this )
 319                 frame->SetLastFocus((wxWindow*)NULL);
 320             break;
 321         }
 322     }
 323
 324     // VS: destroy children first and _then_ detach *this from its parent.
 325     //     If we'd do it the other way around, children wouldn't be able
 326     //     find their parent frame (see above).
 327     DestroyChildren();
 328
 329     if ( m_parent )
 330         m_parent->RemoveChild(this);
 331
 332     if ( m_hWnd )
 333     {
 334         // VZ: test temp removed to understand what really happens here
 335         //if (::IsWindow(GetHwnd()))
 336         {
 337             if ( !::DestroyWindow(GetHwnd()) )
 338                 wxLogLastError(wxT("DestroyWindow"));
 339         }
 340
 341         // remove hWnd <-> wxWindow association
 342         wxRemoveHandleAssociation(this);
 343     }
 344 }
 345
 346 // real construction (Init() must have been called before!)
 347 bool wxWindowMSW::Create(wxWindow *parent,
 348                          wxWindowID id,
 349                          const wxPoint& pos,
 350                          const wxSize& size,
 351                          long style,
 352                          const wxString& name)
 353 {
 354     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 355
 356 #if wxUSE_STATBOX
 357     // wxGTK doesn't allow to create controls with static box as the parent so
 358     // this will result in a crash when the program is ported to wxGTK - warn
 359     // about it
 360     //
 361     // the correct solution is to create the controls as siblings of the
 362     // static box
 363     wxASSERT_MSG( !wxDynamicCastThis(wxStaticBox),
 364                   _T("wxStaticBox can't be used as a window parent!") );
 365 #endif // wxUSE_STATBOX
 366
 367     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 368         return FALSE;
 369
 370     parent->AddChild(this);
 371
 372     // all windows are created visible
 373     DWORD msflags = WS_CHILD | WS_VISIBLE;
 374
 375 #ifdef __WXUNIVERSAL__
 376     // no 3d effects, we draw them ourselves
 377     WXDWORD exStyle = 0;
 378 #else // !wxUniversal
 379     if ( style & wxCLIP_CHILDREN )
 380         msflags |= WS_CLIPCHILDREN;
 381     if ( style & wxCLIP_SIBLINGS )
 382         msflags |= WS_CLIPSIBLINGS;
 383
 384     bool want3D;
 385     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 386
 387     // Even with extended styles, need to combine with WS_BORDER
 388     // for them to look right.
 389     if ( want3D ||
 390         (m_windowStyle & (wxBORDER |
 391                           wxSIMPLE_BORDER |
 392                           wxRAISED_BORDER |
 393                           wxSUNKEN_BORDER |
 394                           wxDOUBLE_BORDER)) )
 395     {
 396         msflags |= WS_BORDER;
 397     }
 398
 399     // calculate the value to return from WM_GETDLGCODE handler
 400     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 401     {
 402         // want everything: i.e. all keys and WM_CHAR message
 403         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 404                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 405     }
 406 #endif // wxUniversal/!wxUniversal
 407
 408     if ( style & wxPOPUP_WINDOW )
 409     {
 410         // a popup window floats on top of everything
 411         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 412
 413         // it is also created hidden as other top level windows
 414         msflags &= ~WS_VISIBLE;
 415         m_isShown = FALSE;
 416     }
 417
 418     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 419                      (wxWindow *)this, NULL,
 420                      pos.x, pos.y,
 421                      WidthDefault(size.x), HeightDefault(size.y),
 422                      msflags, NULL, exStyle);
 423 }
 424
 425 // ---------------------------------------------------------------------------
 426 // basic operations
 427 // ---------------------------------------------------------------------------
 428
 429 void wxWindowMSW::SetFocus()
 430 {
 431     HWND hWnd = GetHwnd();
 432     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 433
 434 #ifndef __WXMICROWIN__
 435     ::SetLastError(0);
 436 #endif
 437
 438     if ( !::SetFocus(hWnd) )
 439     {
 440         // was there really an error?
 441 #ifndef __WXMICROWIN__
 442         DWORD dwRes = ::GetLastError();
 443 #else
 444
 445         DWORD dwRes = 0;
 446 #endif
 447         if ( dwRes )
 448         {
 449             wxLogApiError(_T("SetFocus"), dwRes);
 450         }
 451
 452         // VZ: just why does this happen sometimes?? any idea?
 453 #if 0
 454         HWND hwndFocus = ::GetFocus();
 455         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 456 #endif // 0
 457     }
 458 }
 459
 460 // Get the window with the focus
 461 wxWindow *wxWindowBase::FindFocus()
 462 {
 463     HWND hWnd = ::GetFocus();
 464     if ( hWnd )
 465     {
 466         return wxGetWindowFromHWND((WXHWND)hWnd);
 467     }
 468
 469     return NULL;
 470 }
 471
 472 bool wxWindowMSW::Enable(bool enable)
 473 {
 474     if ( !wxWindowBase::Enable(enable) )
 475         return FALSE;
 476
 477     HWND hWnd = GetHwnd();
 478     if ( hWnd )
 479         ::EnableWindow(hWnd, (BOOL)enable);
 480
 481     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 482     //     disabled controls and disable it - you really wouldn't like the
 483     //     disabled controls be reenabled too when you reenable the dialog!
 484 #if 0
 485     wxWindowList::Node *node = GetChildren().GetFirst();
 486     while ( node )
 487     {
 488         wxWindow *child = node->GetData();
 489         child->Enable(enable);
 490
 491         node = node->GetNext();
 492     }
 493 #endif // 0
 494
 495     return TRUE;
 496 }
 497
 498 bool wxWindowMSW::Show(bool show)
 499 {
 500     if ( !wxWindowBase::Show(show) )
 501         return FALSE;
 502
 503     HWND hWnd = GetHwnd();
 504     int cshow = show ? SW_SHOW : SW_HIDE;
 505     ::ShowWindow(hWnd, cshow);
 506
 507     if ( show )
 508     {
 509 #ifdef __WXMICROWIN__
 510         // It seems that MicroWindows brings the _parent_ of the
 511         // window to the top, which can be the wrong one.
 512
 513         // activate (set focus to) specified window
 514         ::SetFocus(hWnd);
 515
 516         // raise top level parent to top of z order
 517         ::SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0,
 518                 SWP_NOMOVE|SWP_NOSIZE);
 519 #else
 520         BringWindowToTop(hWnd);
 521 #endif
 522     }
 523
 524     return TRUE;
 525 }
 526
 527 // Raise the window to the top of the Z order
 528 void wxWindowMSW::Raise()
 529 {
 530 #ifdef __WIN16__
 531     ::BringWindowToTop(GetHwnd());
 532 #else // Win32
 533 #ifdef __WXMICROWIN__
 534     // It seems that MicroWindows brings the _parent_ of the
 535     // window to the top, which can be the wrong one.
 536
 537     // activate (set focus to) specified window
 538     ::SetFocus(GetHwnd());
 539
 540     // raise top level parent to top of z order
 541     ::SetWindowPos(GetHwnd(), HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
 542 #else
 543     ::SetForegroundWindow(GetHwnd());
 544 #endif
 545 #endif
 546 }
 547
 548 // Lower the window to the bottom of the Z order
 549 void wxWindowMSW::Lower()
 550 {
 551     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 552                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 553 }
 554
 555 void wxWindowMSW::SetTitle( const wxString& title)
 556 {
 557     SetWindowText(GetHwnd(), title.c_str());
 558 }
 559
 560 wxString wxWindowMSW::GetTitle() const
 561 {
 562     return wxGetWindowText(GetHWND());
 563 }
 564
 565 void wxWindowMSW::CaptureMouse()
 566 {
 567     HWND hWnd = GetHwnd();
 568     if ( hWnd )
 569     {
 570         ::SetCapture(hWnd);
 571     }
 572 }
 573
 574 void wxWindowMSW::ReleaseMouse()
 575 {
 576     if ( !::ReleaseCapture() )
 577     {
 578         wxLogLastError(_T("ReleaseCapture"));
 579     }
 580 }
 581
 582 /* static */ wxWindow *wxWindowBase::GetCapture()
 583 {
 584     HWND hwnd = ::GetCapture();
 585     return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
 586 }
 587
 588 bool wxWindowMSW::SetFont(const wxFont& font)
 589 {
 590     if ( !wxWindowBase::SetFont(font) )
 591     {
 592         // nothing to do
 593         return FALSE;
 594     }
 595
 596     HWND hWnd = GetHwnd();
 597     if ( hWnd != 0 )
 598     {
 599         WXHANDLE hFont = m_font.GetResourceHandle();
 600
 601         wxASSERT_MSG( hFont, wxT("should have valid font") );
 602
 603         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 604     }
 605
 606     return TRUE;
 607 }
 608 bool wxWindowMSW::SetCursor(const wxCursor& cursor)
 609 {
 610     if ( !wxWindowBase::SetCursor(cursor) )
 611     {
 612         // no change
 613         return FALSE;
 614     }
 615
 616     if ( m_cursor.Ok() )
 617     {
 618         HWND hWnd = GetHwnd();
 619
 620         // Change the cursor NOW if we're within the correct window
 621         POINT point;
 622         ::GetCursorPos(&point);
 623
 624         RECT rect;
 625         ::GetWindowRect(hWnd, &rect);
 626
 627         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 628             ::SetCursor(GetHcursorOf(m_cursor));
 629     }
 630
 631     return TRUE;
 632 }
 633
 634 void wxWindowMSW::WarpPointer (int x, int y)
 635 {
 636     ClientToScreen(&x, &y);
 637
 638     if ( !::SetCursorPos(x, y) )
 639     {
 640         wxLogLastError(_T("SetCursorPos"));
 641     }
 642 }
 643
 644 #if WXWIN_COMPATIBILITY
 645 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 646 {
 647 }
 648 #endif // WXWIN_COMPATIBILITY
 649
 650 // ---------------------------------------------------------------------------
 651 // scrolling stuff
 652 // ---------------------------------------------------------------------------
 653
 654 #if WXWIN_COMPATIBILITY
 655 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 656 {
 657 #if defined(__WIN95__)
 658
 659     int range1 = range;
 660
 661     // Try to adjust the range to cope with page size > 1
 662     // - a Windows API quirk
 663     int pageSize = GetScrollPage(orient);
 664     if ( pageSize > 1 && range > 0)
 665     {
 666         range1 += (pageSize - 1);
 667     }
 668
 669     SCROLLINFO info;
 670     int dir;
 671
 672     if ( orient == wxHORIZONTAL ) {
 673         dir = SB_HORZ;
 674     } else {
 675         dir = SB_VERT;
 676     }
 677
 678     info.cbSize = sizeof(SCROLLINFO);
 679     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 680     info.nMin = 0;
 681     info.nMax = range1;
 682     info.nPos = 0;
 683     info.fMask = SIF_RANGE | SIF_PAGE;
 684
 685     HWND hWnd = GetHwnd();
 686     if ( hWnd )
 687         ::SetScrollInfo(hWnd, dir, &info, refresh);
 688 #else
 689     int wOrient;
 690     if ( orient == wxHORIZONTAL )
 691         wOrient = SB_HORZ;
 692     else
 693         wOrient = SB_VERT;
 694
 695     HWND hWnd = GetHwnd();
 696     if ( hWnd )
 697         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 698 #endif
 699 }
 700
 701 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 702 {
 703 #if defined(__WIN95__)
 704     SCROLLINFO info;
 705     int dir;
 706
 707     if ( orient == wxHORIZONTAL ) {
 708         dir = SB_HORZ;
 709         m_xThumbSize = page;
 710     } else {
 711         dir = SB_VERT;
 712         m_yThumbSize = page;
 713     }
 714
 715     info.cbSize = sizeof(SCROLLINFO);
 716     info.nPage = page;
 717     info.nMin = 0;
 718     info.fMask = SIF_PAGE;
 719
 720     HWND hWnd = GetHwnd();
 721     if ( hWnd )
 722         ::SetScrollInfo(hWnd, dir, &info, refresh);
 723 #else
 724     if ( orient == wxHORIZONTAL )
 725         m_xThumbSize = page;
 726     else
 727         m_yThumbSize = page;
 728 #endif
 729 }
 730
 731 int wxWindowMSW::OldGetScrollRange(int orient) const
 732 {
 733     int wOrient;
 734     if ( orient == wxHORIZONTAL )
 735         wOrient = SB_HORZ;
 736     else
 737         wOrient = SB_VERT;
 738
 739 #if __WATCOMC__ && defined(__WINDOWS_386__)
 740     short minPos, maxPos;
 741 #else
 742     int minPos, maxPos;
 743 #endif
 744     HWND hWnd = GetHwnd();
 745     if ( hWnd )
 746     {
 747         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 748 #if defined(__WIN95__)
 749         // Try to adjust the range to cope with page size > 1
 750         // - a Windows API quirk
 751         int pageSize = GetScrollPage(orient);
 752         if ( pageSize > 1 )
 753         {
 754             maxPos -= (pageSize - 1);
 755         }
 756 #endif
 757         return maxPos;
 758     }
 759     else
 760         return 0;
 761 }
 762
 763 int wxWindowMSW::GetScrollPage(int orient) const
 764 {
 765     if ( orient == wxHORIZONTAL )
 766         return m_xThumbSize;
 767     else
 768         return m_yThumbSize;
 769 }
 770
 771 #endif // WXWIN_COMPATIBILITY
 772
 773 int wxWindowMSW::GetScrollPos(int orient) const
 774 {
 775     int wOrient;
 776     if ( orient == wxHORIZONTAL )
 777         wOrient = SB_HORZ;
 778     else
 779         wOrient = SB_VERT;
 780     HWND hWnd = GetHwnd();
 781     if ( hWnd )
 782     {
 783 #ifdef __WXMICROWIN__
 784         return ::GetScrollPosWX(hWnd, wOrient);
 785 #else
 786         return ::GetScrollPos(hWnd, wOrient);
 787 #endif
 788     }
 789     else
 790         return 0;
 791 }
 792
 793 // This now returns the whole range, not just the number
 794 // of positions that we can scroll.
 795 int wxWindowMSW::GetScrollRange(int orient) const
 796 {
 797     int wOrient;
 798     if ( orient == wxHORIZONTAL )
 799         wOrient = SB_HORZ;
 800     else
 801         wOrient = SB_VERT;
 802
 803 #if __WATCOMC__ && defined(__WINDOWS_386__)
 804     short minPos, maxPos;
 805 #else
 806     int minPos, maxPos;
 807 #endif
 808     HWND hWnd = GetHwnd();
 809     if ( hWnd )
 810     {
 811         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 812 #if defined(__WIN95__)
 813         // Try to adjust the range to cope with page size > 1
 814         // - a Windows API quirk
 815         int pageSize = GetScrollThumb(orient);
 816         if ( pageSize > 1 )
 817         {
 818             maxPos -= (pageSize - 1);
 819         }
 820         // October 10th: new range concept.
 821         maxPos += pageSize;
 822 #endif
 823
 824         return maxPos;
 825     }
 826     else
 827         return 0;
 828 }
 829
 830 int wxWindowMSW::GetScrollThumb(int orient) const
 831 {
 832     if ( orient == wxHORIZONTAL )
 833         return m_xThumbSize;
 834     else
 835         return m_yThumbSize;
 836 }
 837
 838 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 839 {
 840 #if defined(__WIN95__)
 841     SCROLLINFO info;
 842     int dir;
 843
 844     if ( orient == wxHORIZONTAL ) {
 845         dir = SB_HORZ;
 846     } else {
 847         dir = SB_VERT;
 848     }
 849
 850     info.cbSize = sizeof(SCROLLINFO);
 851     info.nPage = 0;
 852     info.nMin = 0;
 853     info.nPos = pos;
 854     info.fMask = SIF_POS;
 855
 856     HWND hWnd = GetHwnd();
 857     if ( hWnd )
 858         ::SetScrollInfo(hWnd, dir, &info, refresh);
 859 #else
 860     int wOrient;
 861     if ( orient == wxHORIZONTAL )
 862         wOrient = SB_HORZ;
 863     else
 864         wOrient = SB_VERT;
 865
 866     HWND hWnd = GetHwnd();
 867     if ( hWnd )
 868         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 869 #endif
 870 }
 871
 872 // New function that will replace some of the above.
 873 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 874                             int range, bool refresh)
 875 {
 876 #if defined(__WIN95__)
 877     int oldRange = range - thumbVisible;
 878
 879     int range1 = oldRange;
 880
 881     // Try to adjust the range to cope with page size > 1
 882     // - a Windows API quirk
 883     int pageSize = thumbVisible;
 884     if ( pageSize > 1 && range > 0)
 885     {
 886         range1 += (pageSize - 1);
 887     }
 888
 889     SCROLLINFO info;
 890     int dir;
 891
 892     if ( orient == wxHORIZONTAL ) {
 893         dir = SB_HORZ;
 894     } else {
 895         dir = SB_VERT;
 896     }
 897
 898     info.cbSize = sizeof(SCROLLINFO);
 899     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 900     info.nMin = 0;
 901     info.nMax = range1;
 902     info.nPos = pos;
 903     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 904
 905     HWND hWnd = GetHwnd();
 906     if ( hWnd )
 907         ::SetScrollInfo(hWnd, dir, &info, refresh);
 908 #else
 909     int wOrient;
 910     if ( orient == wxHORIZONTAL )
 911         wOrient = SB_HORZ;
 912     else
 913         wOrient = SB_VERT;
 914
 915     HWND hWnd = GetHwnd();
 916     if ( hWnd )
 917     {
 918         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 919         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 920     }
 921 #endif
 922     if ( orient == wxHORIZONTAL ) {
 923         m_xThumbSize = thumbVisible;
 924     } else {
 925         m_yThumbSize = thumbVisible;
 926     }
 927 }
 928
 929 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 930 {
 931     RECT rect;
 932     if ( prect )
 933     {
 934         rect.left = prect->x;
 935         rect.top = prect->y;
 936         rect.right = prect->x + prect->width;
 937         rect.bottom = prect->y + prect->height;
 938     }
 939
 940     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 941 }
 942
 943 static void ScrollVertically(HWND hwnd, int kind, int count)
 944 {
 945     for ( int n = 0; n < count; n++ )
 946     {
 947         ::SendMessage(hwnd, WM_VSCROLL, kind, 0);
 948     }
 949 }
 950
 951 void wxWindowMSW::ScrollLines(int lines)
 952 {
 953     bool down = lines > 0;
 954
 955     ScrollVertically(GetHwnd(),
 956                      down ? SB_LINEDOWN : SB_LINEUP,
 957                      down ? lines : -lines);
 958 }
 959
 960 void wxWindowMSW::ScrollPages(int pages)
 961 {
 962     bool down = pages > 0;
 963
 964     ScrollVertically(GetHwnd(),
 965                      down ? SB_PAGEDOWN : SB_PAGEUP,
 966                      down ? pages : -pages);
 967 }
 968
 969 // ---------------------------------------------------------------------------
 970 // subclassing
 971 // ---------------------------------------------------------------------------
 972
 973 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 974 {
 975     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 976
 977     HWND hwnd = (HWND)hWnd;
 978     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 979
 980     wxAssociateWinWithHandle(hwnd, this);
 981
 982     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 983
 984     wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc );
 985
 986     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 987 }
 988
 989 void wxWindowMSW::UnsubclassWin()
 990 {
 991     wxRemoveHandleAssociation(this);
 992
 993     // Restore old Window proc
 994     HWND hwnd = GetHwnd();
 995     if ( hwnd )
 996     {
 997         m_hWnd = 0;
 998
 999         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
1000
1001         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
1002         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
1003         {
1004             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
1005             m_oldWndProc = 0;
1006         }
1007     }
1008 }
1009
1010 // Make a Windows extended style from the given wxWindows window style
1011 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
1012 {
1013     WXDWORD exStyle = 0;
1014     if ( style & wxTRANSPARENT_WINDOW )
1015         exStyle |= WS_EX_TRANSPARENT;
1016
1017     if ( !eliminateBorders )
1018     {
1019         if ( style & wxSUNKEN_BORDER )
1020             exStyle |= WS_EX_CLIENTEDGE;
1021         if ( style & wxDOUBLE_BORDER )
1022             exStyle |= WS_EX_DLGMODALFRAME;
1023 #if defined(__WIN95__)
1024         if ( style & wxRAISED_BORDER )
1025             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
1026             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
1027         if ( style & wxSTATIC_BORDER )
1028             exStyle |= WS_EX_STATICEDGE;
1029 #endif
1030     }
1031     return exStyle;
1032 }
1033
1034 // Determines whether native 3D effects or CTL3D should be used,
1035 // applying a default border style if required, and returning an extended
1036 // style to pass to CreateWindowEx.
1037 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
1038                                      bool *want3D) const
1039 {
1040     // If matches certain criteria, then assume no 3D effects
1041     // unless specifically requested (dealt with in MakeExtendedStyle)
1042     if ( !GetParent()
1043 #if wxUSE_CONTROLS
1044             || !IsKindOf(CLASSINFO(wxControl))
1045 #endif // wxUSE_CONTROLS
1046             || (m_windowStyle & wxNO_BORDER) )
1047     {
1048         *want3D = FALSE;
1049         return MakeExtendedStyle(m_windowStyle, FALSE);
1050     }
1051
1052     // Determine whether we should be using 3D effects or not.
1053     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
1054
1055     // 1) App can specify global 3D effects
1056     *want3D = wxTheApp->GetAuto3D();
1057
1058     // 2) If the parent is being drawn with user colours, or simple border specified,
1059     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
1060     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
1061         *want3D = FALSE;
1062
1063     // 3) Control can override this global setting by defining
1064     // a border style, e.g. wxSUNKEN_BORDER
1065     if ( m_windowStyle & wxSUNKEN_BORDER  )
1066         *want3D = TRUE;
1067
1068     // 4) If it's a special border, CTL3D can't cope so we want a native border
1069     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1070         (m_windowStyle & wxSTATIC_BORDER) )
1071     {
1072         *want3D = TRUE;
1073         nativeBorder = TRUE;
1074     }
1075
1076     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1077     // effects from extended style
1078 #if wxUSE_CTL3D
1079     if ( *want3D )
1080         nativeBorder = FALSE;
1081 #endif
1082
1083     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1084
1085     // If we want 3D, but haven't specified a border here,
1086     // apply the default border style specified.
1087     // TODO what about non-Win95 WIN32? Does it have borders?
1088 #if defined(__WIN95__) && !wxUSE_CTL3D
1089     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1090         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1091         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1092 #endif
1093
1094     return exStyle;
1095 }
1096
1097 #if WXWIN_COMPATIBILITY
1098 // If nothing defined for this, try the parent.
1099 // E.g. we may be a button loaded from a resource, with no callback function
1100 // defined.
1101 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1102 {
1103     if ( GetEventHandler()->ProcessEvent(event)  )
1104         return;
1105     if ( m_parent )
1106         m_parent->GetEventHandler()->OnCommand(win, event);
1107 }
1108 #endif // WXWIN_COMPATIBILITY_2
1109
1110 #if WXWIN_COMPATIBILITY
1111 wxObject* wxWindowMSW::GetChild(int number) const
1112 {
1113     // Return a pointer to the Nth object in the Panel
1114     wxNode *node = GetChildren().First();
1115     int n = number;
1116     while (node && n--)
1117         node = node->Next();
1118     if ( node )
1119     {
1120         wxObject *obj = (wxObject *)node->Data();
1121         return(obj);
1122     }
1123     else
1124         return NULL;
1125 }
1126 #endif // WXWIN_COMPATIBILITY
1127
1128 // Setup background and foreground colours correctly
1129 void wxWindowMSW::SetupColours()
1130 {
1131     if ( GetParent() )
1132         SetBackgroundColour(GetParent()->GetBackgroundColour());
1133 }
1134
1135 bool wxWindowMSW::IsMouseInWindow() const
1136 {
1137     // get the mouse position
1138     POINT pt;
1139     ::GetCursorPos(&pt);
1140
1141     // find the window which currently has the cursor and go up the window
1142     // chain until we find this window - or exhaust it
1143     HWND hwnd = ::WindowFromPoint(pt);
1144     while ( hwnd && (hwnd != GetHwnd()) )
1145         hwnd = ::GetParent(hwnd);
1146
1147     return hwnd != NULL;
1148 }
1149
1150 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1151 {
1152     // Check if we need to send a LEAVE event
1153     if ( m_mouseInWindow )
1154     {
1155         if ( !IsMouseInWindow() )
1156         {
1157             // Generate a LEAVE event
1158             m_mouseInWindow = FALSE;
1159
1160             // Unfortunately the mouse button and keyboard state may have
1161             // changed by the time the OnIdle function is called, so 'state'
1162             // may be meaningless.
1163             int state = 0;
1164             if ( wxIsShiftDown() )
1165                 state |= MK_SHIFT;
1166             if ( wxIsCtrlDown() )
1167                 state |= MK_CONTROL;
1168             if ( GetKeyState( VK_LBUTTON ) )
1169                 state |= MK_LBUTTON;
1170             if ( GetKeyState( VK_MBUTTON ) )
1171                 state |= MK_MBUTTON;
1172             if ( GetKeyState( VK_RBUTTON ) )
1173                 state |= MK_RBUTTON;
1174
1175             POINT pt;
1176             if ( !::GetCursorPos(&pt) )
1177             {
1178                 wxLogLastError(_T("GetCursorPos"));
1179             }
1180
1181             // we need to have client coordinates here for symmetry with
1182             // wxEVT_ENTER_WINDOW
1183             RECT rect;
1184             if ( !::GetWindowRect(GetHwnd(), &rect) )
1185             {
1186                 wxLogLastError(_T("GetWindowRect"));
1187             }
1188             pt.x -= rect.left;
1189             pt.y -= rect.top;
1190
1191             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1192             InitMouseEvent(event2, pt.x, pt.y, state);
1193
1194             (void)GetEventHandler()->ProcessEvent(event2);
1195         }
1196     }
1197
1198     UpdateWindowUI();
1199 }
1200
1201 // Set this window to be the child of 'parent'.
1202 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1203 {
1204     if ( !wxWindowBase::Reparent(parent) )
1205         return FALSE;
1206
1207     HWND hWndChild = GetHwnd();
1208     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1209
1210     ::SetParent(hWndChild, hWndParent);
1211
1212     return TRUE;
1213 }
1214
1215 void wxWindowMSW::Clear()
1216 {
1217     wxClientDC dc((wxWindow *)this);
1218     wxBrush brush(GetBackgroundColour(), wxSOLID);
1219     dc.SetBackground(brush);
1220     dc.Clear();
1221 }
1222
1223 static inline void SendSetRedraw(HWND hwnd, bool on)
1224 {
1225     ::SendMessage(hwnd, WM_SETREDRAW, (WPARAM)on, 0);
1226 }
1227
1228 void wxWindowMSW::Freeze()
1229 {
1230     SendSetRedraw(GetHwnd(), FALSE);
1231 }
1232
1233 void wxWindowMSW::Thaw()
1234 {
1235     SendSetRedraw(GetHwnd(), TRUE);
1236
1237     // we need to refresh everything or otherwise he invalidated area is not
1238     // repainted
1239     Refresh();
1240 }
1241
1242 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1243 {
1244     HWND hWnd = GetHwnd();
1245     if ( hWnd )
1246     {
1247         if ( rect )
1248         {
1249             RECT mswRect;
1250             mswRect.left = rect->x;
1251             mswRect.top = rect->y;
1252             mswRect.right = rect->x + rect->width;
1253             mswRect.bottom = rect->y + rect->height;
1254
1255             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1256         }
1257         else
1258             ::InvalidateRect(hWnd, NULL, eraseBack);
1259     }
1260 }
1261
1262 void wxWindowMSW::Update()
1263 {
1264     if ( !::UpdateWindow(GetHwnd()) )
1265     {
1266         wxLogLastError(_T("UpdateWindow"));
1267     }
1268
1269 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1270     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1271     // handler needs to be really drawn right now
1272     (void)::GdiFlush();
1273 #endif // __WIN32__
1274 }
1275
1276 // ---------------------------------------------------------------------------
1277 // drag and drop
1278 // ---------------------------------------------------------------------------
1279
1280 #if wxUSE_DRAG_AND_DROP
1281
1282 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1283 {
1284     if ( m_dropTarget != 0 ) {
1285         m_dropTarget->Revoke(m_hWnd);
1286         delete m_dropTarget;
1287     }
1288
1289     m_dropTarget = pDropTarget;
1290     if ( m_dropTarget != 0 )
1291         m_dropTarget->Register(m_hWnd);
1292 }
1293
1294 #endif // wxUSE_DRAG_AND_DROP
1295
1296 // old style file-manager drag&drop support: we retain the old-style
1297 // DragAcceptFiles in parallel with SetDropTarget.
1298 void wxWindowMSW::DragAcceptFiles(bool accept)
1299 {
1300     HWND hWnd = GetHwnd();
1301     if ( hWnd )
1302         ::DragAcceptFiles(hWnd, (BOOL)accept);
1303 }
1304
1305 // ----------------------------------------------------------------------------
1306 // tooltips
1307 // ----------------------------------------------------------------------------
1308
1309 #if wxUSE_TOOLTIPS
1310
1311 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1312 {
1313     wxWindowBase::DoSetToolTip(tooltip);
1314
1315     if ( m_tooltip )
1316         m_tooltip->SetWindow(this);
1317 }
1318
1319 #endif // wxUSE_TOOLTIPS
1320
1321 // ---------------------------------------------------------------------------
1322 // moving and resizing
1323 // ---------------------------------------------------------------------------
1324
1325 // Get total size
1326 void wxWindowMSW::DoGetSize(int *x, int *y) const
1327 {
1328     HWND hWnd = GetHwnd();
1329     RECT rect;
1330 #ifdef __WIN16__
1331     ::GetWindowRect(hWnd, &rect);
1332 #else
1333     if ( !::GetWindowRect(hWnd, &rect) )
1334     {
1335         wxLogLastError(_T("GetWindowRect"));
1336     }
1337 #endif
1338     if ( x )
1339         *x = rect.right - rect.left;
1340     if ( y )
1341         *y = rect.bottom - rect.top;
1342 }
1343
1344 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1345 {
1346     HWND hWnd = GetHwnd();
1347
1348     RECT rect;
1349     GetWindowRect(hWnd, &rect);
1350
1351     POINT point;
1352     point.x = rect.left;
1353     point.y = rect.top;
1354
1355     // we do the adjustments with respect to the parent only for the "real"
1356     // children, not for the dialogs/frames
1357     if ( !IsTopLevel() )
1358     {
1359         HWND hParentWnd = 0;
1360         wxWindow *parent = GetParent();
1361         if ( parent )
1362             hParentWnd = GetWinHwnd(parent);
1363
1364         // Since we now have the absolute screen coords, if there's a parent we
1365         // must subtract its top left corner
1366         if ( hParentWnd )
1367         {
1368             ::ScreenToClient(hParentWnd, &point);
1369         }
1370
1371         if ( parent )
1372         {
1373             // We may be faking the client origin. So a window that's really at (0,
1374             // 30) may appear (to wxWin apps) to be at (0, 0).
1375             wxPoint pt(parent->GetClientAreaOrigin());
1376             point.x -= pt.x;
1377             point.y -= pt.y;
1378         }
1379     }
1380
1381     if ( x )
1382         *x = point.x;
1383     if ( y )
1384         *y = point.y;
1385 }
1386
1387 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1388 {
1389     POINT pt;
1390     if ( x )
1391         pt.x = *x;
1392     if ( y )
1393         pt.y = *y;
1394
1395     HWND hWnd = GetHwnd();
1396     ::ScreenToClient(hWnd, &pt);
1397
1398     if ( x )
1399         *x = pt.x;
1400     if ( y )
1401         *y = pt.y;
1402 }
1403
1404 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1405 {
1406     POINT pt;
1407     if ( x )
1408         pt.x = *x;
1409     if ( y )
1410         pt.y = *y;
1411
1412     HWND hWnd = GetHwnd();
1413     ::ClientToScreen(hWnd, &pt);
1414
1415     if ( x )
1416         *x = pt.x;
1417     if ( y )
1418         *y = pt.y;
1419 }
1420
1421 // Get size *available for subwindows* i.e. excluding menu bar etc.
1422 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1423 {
1424     HWND hWnd = GetHwnd();
1425     RECT rect;
1426     ::GetClientRect(hWnd, &rect);
1427     if ( x )
1428         *x = rect.right;
1429     if ( y )
1430         *y = rect.bottom;
1431 }
1432
1433 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1434 {
1435     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1436     {
1437         wxLogLastError(wxT("MoveWindow"));
1438     }
1439 }
1440
1441 // set the size of the window: if the dimensions are positive, just use them,
1442 // but if any of them is equal to -1, it means that we must find the value for
1443 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1444 // which case -1 is a valid value for x and y)
1445 //
1446 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1447 // the width/height to best suit our contents, otherwise we reuse the current
1448 // width/height
1449 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1450 {
1451     // get the current size and position...
1452     int currentX, currentY;
1453     GetPosition(&currentX, &currentY);
1454     int currentW,currentH;
1455     GetSize(&currentW, &currentH);
1456
1457     // ... and don't do anything (avoiding flicker) if it's already ok
1458     if ( x == currentX && y == currentY &&
1459          width == currentW && height == currentH )
1460     {
1461         return;
1462     }
1463
1464     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1465         x = currentX;
1466     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1467         y = currentY;
1468
1469     AdjustForParentClientOrigin(x, y, sizeFlags);
1470
1471     wxSize size(-1, -1);
1472     if ( width == -1 )
1473     {
1474         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1475         {
1476             size = DoGetBestSize();
1477             width = size.x;
1478         }
1479         else
1480         {
1481             // just take the current one
1482             width = currentW;
1483         }
1484     }
1485
1486     if ( height == -1 )
1487     {
1488         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1489         {
1490             if ( size.x == -1 )
1491             {
1492                 size = DoGetBestSize();
1493             }
1494             //else: already called DoGetBestSize() above
1495
1496             height = size.y;
1497         }
1498         else
1499         {
1500             // just take the current one
1501             height = currentH;
1502         }
1503     }
1504
1505     DoMoveWindow(x, y, width, height);
1506 }
1507
1508 void wxWindowMSW::DoSetClientSize(int width, int height)
1509 {
1510     wxWindow *parent = GetParent();
1511     HWND hWnd = GetHwnd();
1512     HWND hParentWnd = (HWND) 0;
1513     if ( parent )
1514         hParentWnd = (HWND) parent->GetHWND();
1515
1516     RECT rect;
1517     ::GetClientRect(hWnd, &rect);
1518
1519     RECT rect2;
1520     GetWindowRect(hWnd, &rect2);
1521
1522     // Find the difference between the entire window (title bar and all)
1523     // and the client area; add this to the new client size to move the
1524     // window
1525     int actual_width = rect2.right - rect2.left - rect.right + width;
1526     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1527
1528     // If there's a parent, must subtract the parent's top left corner
1529     // since MoveWindow moves relative to the parent
1530
1531     POINT point;
1532     point.x = rect2.left;
1533     point.y = rect2.top;
1534     if ( parent )
1535     {
1536         ::ScreenToClient(hParentWnd, &point);
1537     }
1538
1539     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1540
1541     wxSizeEvent event(wxSize(width, height), m_windowId);
1542     event.SetEventObject(this);
1543     GetEventHandler()->ProcessEvent(event);
1544 }
1545
1546 // For implementation purposes - sometimes decorations make the client area
1547 // smaller
1548 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1549 {
1550     return wxPoint(0, 0);
1551 }
1552
1553 // Makes an adjustment to the window position (for example, a frame that has
1554 // a toolbar that it manages itself).
1555 void wxWindowMSW::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1556 {
1557     // don't do it for the dialogs/frames - they float independently of their
1558     // parent
1559     if ( !IsTopLevel() )
1560     {
1561         wxWindow *parent = GetParent();
1562         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1563         {
1564             wxPoint pt(parent->GetClientAreaOrigin());
1565             x += pt.x;
1566             y += pt.y;
1567         }
1568     }
1569 }
1570
1571 // ---------------------------------------------------------------------------
1572 // text metrics
1573 // ---------------------------------------------------------------------------
1574
1575 int wxWindowMSW::GetCharHeight() const
1576 {
1577     return wxGetTextMetrics(this).tmHeight;
1578 }
1579
1580 int wxWindowMSW::GetCharWidth() const
1581 {
1582     // +1 is needed because Windows apparently adds it when calculating the
1583     // dialog units size in pixels
1584 #if wxDIALOG_UNIT_COMPATIBILITY
1585     return wxGetTextMetrics(this).tmAveCharWidth;
1586 #else
1587     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1588 #endif
1589 }
1590
1591 void wxWindowMSW::GetTextExtent(const wxString& string,
1592                              int *x, int *y,
1593                              int *descent, int *externalLeading,
1594                              const wxFont *theFont) const
1595 {
1596     const wxFont *fontToUse = theFont;
1597     if ( !fontToUse )
1598         fontToUse = &m_font;
1599
1600     HWND hWnd = GetHwnd();
1601     HDC dc = ::GetDC(hWnd);
1602
1603     HFONT fnt = 0;
1604     HFONT hfontOld = 0;
1605     if ( fontToUse && fontToUse->Ok() )
1606     {
1607         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1608         if ( fnt )
1609             hfontOld = (HFONT)SelectObject(dc,fnt);
1610     }
1611
1612     SIZE sizeRect;
1613     TEXTMETRIC tm;
1614     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1615     GetTextMetrics(dc, &tm);
1616
1617     if ( fontToUse && fnt && hfontOld )
1618         SelectObject(dc, hfontOld);
1619
1620     ReleaseDC(hWnd, dc);
1621
1622     if ( x )
1623         *x = sizeRect.cx;
1624     if ( y )
1625         *y = sizeRect.cy;
1626     if ( descent )
1627         *descent = tm.tmDescent;
1628     if ( externalLeading )
1629         *externalLeading = tm.tmExternalLeading;
1630 }
1631
1632 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1633 // ---------------------------------------------------------------------------
1634 // Caret manipulation
1635 // ---------------------------------------------------------------------------
1636
1637 void wxWindowMSW::CreateCaret(int w, int h)
1638 {
1639     SetCaret(new wxCaret(this, w, h));
1640 }
1641
1642 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1643 {
1644     wxFAIL_MSG("not implemented");
1645 }
1646
1647 void wxWindowMSW::ShowCaret(bool show)
1648 {
1649     wxCHECK_RET( m_caret, "no caret to show" );
1650
1651     m_caret->Show(show);
1652 }
1653
1654 void wxWindowMSW::DestroyCaret()
1655 {
1656     SetCaret(NULL);
1657 }
1658
1659 void wxWindowMSW::SetCaretPos(int x, int y)
1660 {
1661     wxCHECK_RET( m_caret, "no caret to move" );
1662
1663     m_caret->Move(x, y);
1664 }
1665
1666 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1667 {
1668     wxCHECK_RET( m_caret, "no caret to get position of" );
1669
1670     m_caret->GetPosition(x, y);
1671 }
1672 #endif // wxUSE_CARET
1673
1674 // ---------------------------------------------------------------------------
1675 // popup menu
1676 // ---------------------------------------------------------------------------
1677
1678 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1679 // immediately, without waiting for the next event loop iteration
1680 //
1681 // NB: this function should probably be made public later as it can almost
1682 //     surely replace wxYield() elsewhere as well
1683 static void wxYieldForCommandsOnly()
1684 {
1685     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1686     // want to process it here)
1687     MSG msg;
1688     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1689                 && msg.message != WM_QUIT )
1690     {
1691         wxTheApp->DoMessage((WXMSG *)&msg);
1692     }
1693 }
1694
1695 #if wxUSE_MENUS_NATIVE
1696
1697 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1698 {
1699     menu->SetInvokingWindow(this);
1700     menu->UpdateUI();
1701
1702     HWND hWnd = GetHwnd();
1703     HMENU hMenu = GetHmenuOf(menu);
1704     POINT point;
1705     point.x = x;
1706     point.y = y;
1707     ::ClientToScreen(hWnd, &point);
1708     wxCurrentPopupMenu = menu;
1709     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1710
1711     // we need to do it righ now as otherwise the events are never going to be
1712     // sent to wxCurrentPopupMenu from HandleCommand()
1713     //
1714     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1715     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1716     // destroyed as soon as we return (it can be a local variable in the caller
1717     // for example) and so we do need to process the event immediately
1718     wxYieldForCommandsOnly();
1719
1720     wxCurrentPopupMenu = NULL;
1721
1722     menu->SetInvokingWindow(NULL);
1723
1724     return TRUE;
1725 }
1726
1727 #endif // wxUSE_MENUS_NATIVE
1728
1729 // ===========================================================================
1730 // pre/post message processing
1731 // ===========================================================================
1732
1733 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1734 {
1735     if ( m_oldWndProc )
1736         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1737     else
1738         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1739 }
1740
1741 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1742 {
1743     // wxUniversal implements tab traversal itself
1744 #ifndef __WXUNIVERSAL__
1745     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1746     {
1747         // intercept dialog navigation keys
1748         MSG *msg = (MSG *)pMsg;
1749
1750         // here we try to do all the job which ::IsDialogMessage() usually does
1751         // internally
1752 #if 1
1753         bool bProcess = TRUE;
1754         if ( msg->message != WM_KEYDOWN )
1755             bProcess = FALSE;
1756
1757         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1758             bProcess = FALSE;
1759
1760         if ( bProcess )
1761         {
1762             bool bCtrlDown = wxIsCtrlDown();
1763             bool bShiftDown = wxIsShiftDown();
1764
1765             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1766             // don't process it if it's the case (except for Ctrl-Tab/Enter
1767             // combinations which are always processed)
1768             LONG lDlgCode = 0;
1769             if ( !bCtrlDown )
1770             {
1771                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1772             }
1773
1774             bool bForward = TRUE,
1775                  bWindowChange = FALSE;
1776
1777             switch ( msg->wParam )
1778             {
1779                 case VK_TAB:
1780                     // assume that nobody wants Shift-TAB for himself - if we
1781                     // don't do it there is no easy way for a control to grab
1782                     // TABs but still let Shift-TAB work as navugation key
1783                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1784                         bProcess = FALSE;
1785                     }
1786                     else {
1787                         // Ctrl-Tab cycles thru notebook pages
1788                         bWindowChange = bCtrlDown;
1789                         bForward = !bShiftDown;
1790                     }
1791                     break;
1792
1793                 case VK_UP:
1794                 case VK_LEFT:
1795                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1796                         bProcess = FALSE;
1797                     else
1798                         bForward = FALSE;
1799                     break;
1800
1801                 case VK_DOWN:
1802                 case VK_RIGHT:
1803                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1804                         bProcess = FALSE;
1805                     break;
1806
1807                 case VK_RETURN:
1808                     {
1809                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1810                         {
1811                             // control wants to process Enter itself, don't
1812                             // call IsDialogMessage() which would interpret
1813                             // it
1814                             return FALSE;
1815                         }
1816                         else if ( lDlgCode & DLGC_BUTTON )
1817                         {
1818                             // let IsDialogMessage() handle this for all
1819                             // buttons except the owner-drawn ones which it
1820                             // just seems to ignore
1821                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1822                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1823                             {
1824                                 // emulate the button click
1825                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1826                                 if ( btn )
1827                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1828                             }
1829
1830                             bProcess = FALSE;
1831                         }
1832 #if wxUSE_BUTTON
1833                         else
1834                         {
1835                             wxPanel *panel = wxDynamicCastThis(wxPanel);
1836                             wxButton *btn = NULL;
1837                             if ( panel )
1838                             {
1839                                 // panel may have a default button which should
1840                                 // be activated by Enter
1841                                 btn = panel->GetDefaultItem();
1842                             }
1843
1844                             if ( btn && btn->IsEnabled() )
1845                             {
1846                                 // if we do have a default button, do press it
1847                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1848
1849                                 return TRUE;
1850                             }
1851                             // else: but if it does not it makes sense to make
1852                             //       it work like a TAB - and that's what we do.
1853                             //       Note that Ctrl-Enter always works this way.
1854                         }
1855 #endif // wxUSE_BUTTON
1856                     }
1857                     break;
1858
1859                 default:
1860                     bProcess = FALSE;
1861             }
1862
1863             if ( bProcess )
1864             {
1865                 wxNavigationKeyEvent event;
1866                 event.SetDirection(bForward);
1867                 event.SetWindowChange(bWindowChange);
1868                 event.SetEventObject(this);
1869
1870                 if ( GetEventHandler()->ProcessEvent(event) )
1871                 {
1872 #if wxUSE_BUTTON
1873                     wxButton *btn = wxDynamicCast(FindFocus(), wxButton);
1874                     if ( btn )
1875                     {
1876                         // the button which has focus should be default
1877                         btn->SetDefault();
1878                     }
1879 #endif // wxUSE_BUTTON
1880
1881                     return TRUE;
1882                 }
1883             }
1884         }
1885 #else
1886         // let ::IsDialogMessage() do almost everything and handle just the
1887         // things it doesn't here: Ctrl-TAB for switching notebook pages
1888         if ( msg->message == WM_KEYDOWN )
1889         {
1890             // don't process system keys here
1891             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1892             {
1893                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1894                 {
1895                     // find the first notebook parent and change its page
1896                     wxWindow *win = this;
1897                     wxNotebook *nbook = NULL;
1898                     while ( win && !nbook )
1899                     {
1900                         nbook = wxDynamicCast(win, wxNotebook);
1901                         win = win->GetParent();
1902                     }
1903
1904                     if ( nbook )
1905                     {
1906                         bool forward = !wxIsShiftDown();
1907
1908                         nbook->AdvanceSelection(forward);
1909                     }
1910                 }
1911             }
1912         }
1913 #endif // 0
1914
1915         if ( ::IsDialogMessage(GetHwnd(), msg) )
1916         {
1917             // IsDialogMessage() did something...
1918             return TRUE;
1919         }
1920     }
1921 #endif // __WXUNIVERSAL__
1922
1923 #if wxUSE_TOOLTIPS
1924     if ( m_tooltip )
1925     {
1926         // relay mouse move events to the tooltip control
1927         MSG *msg = (MSG *)pMsg;
1928         if ( msg->message == WM_MOUSEMOVE )
1929             m_tooltip->RelayEvent(pMsg);
1930     }
1931 #endif // wxUSE_TOOLTIPS
1932
1933     return FALSE;
1934 }
1935
1936 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1937 {
1938 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1939     return m_acceleratorTable.Translate(this, pMsg);
1940 #else
1941     return FALSE;
1942 #endif // wxUSE_ACCEL
1943 }
1944
1945 // ---------------------------------------------------------------------------
1946 // message params unpackers (different for Win16 and Win32)
1947 // ---------------------------------------------------------------------------
1948
1949 #ifdef __WIN32__
1950
1951 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1952                              WORD *id, WXHWND *hwnd, WORD *cmd)
1953 {
1954     *id = LOWORD(wParam);
1955     *hwnd = (WXHWND)lParam;
1956     *cmd = HIWORD(wParam);
1957 }
1958
1959 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1960                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1961 {
1962     *state = LOWORD(wParam);
1963     *minimized = HIWORD(wParam);
1964     *hwnd = (WXHWND)lParam;
1965 }
1966
1967 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1968                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1969 {
1970     *code = LOWORD(wParam);
1971     *pos = HIWORD(wParam);
1972     *hwnd = (WXHWND)lParam;
1973 }
1974
1975 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1976                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1977 {
1978 #ifndef __WXMICROWIN__
1979     *nCtlColor = CTLCOLOR_BTN;
1980     *hwnd = (WXHWND)lParam;
1981     *hdc = (WXHDC)wParam;
1982 #endif
1983 }
1984
1985 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1986                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1987 {
1988     *item = (WXWORD)wParam;
1989     *flags = HIWORD(wParam);
1990     *hmenu = (WXHMENU)lParam;
1991 }
1992
1993 #else // Win16
1994
1995 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1996                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1997 {
1998     *id = (WXWORD)wParam;
1999     *hwnd = (WXHWND)LOWORD(lParam);
2000     *cmd = HIWORD(lParam);
2001 }
2002
2003 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
2004                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
2005 {
2006     *state = (WXWORD)wParam;
2007     *minimized = LOWORD(lParam);
2008     *hwnd = (WXHWND)HIWORD(lParam);
2009 }
2010
2011 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
2012                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
2013 {
2014     *code = (WXWORD)wParam;
2015     *pos = LOWORD(lParam);
2016     *hwnd = (WXHWND)HIWORD(lParam);
2017 }
2018
2019 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
2020                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
2021 {
2022     *hwnd = (WXHWND)LOWORD(lParam);
2023     *nCtlColor = (int)HIWORD(lParam);
2024     *hdc = (WXHDC)wParam;
2025 }
2026
2027 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
2028                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
2029 {
2030     *item = (WXWORD)wParam;
2031     *flags = LOWORD(lParam);
2032     *hmenu = (WXHMENU)HIWORD(lParam);
2033 }
2034
2035 #endif // Win32/16
2036
2037 // ---------------------------------------------------------------------------
2038 // Main wxWindows window proc and the window proc for wxWindow
2039 // ---------------------------------------------------------------------------
2040
2041 // Hook for new window just as it's being created, when the window isn't yet
2042 // associated with the handle
2043 wxWindowMSW *wxWndHook = NULL;
2044
2045 // Main window proc
2046 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
2047 {
2048     // trace all messages - useful for the debugging
2049 #ifdef __WXDEBUG__
2050     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
2051                wxGetMessageName(message), wParam, lParam);
2052 #endif // __WXDEBUG__
2053
2054     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
2055
2056     // when we get the first message for the HWND we just created, we associate
2057     // it with wxWindow stored in wxWndHook
2058     if ( !wnd && wxWndHook )
2059     {
2060 #if 0 // def __WXDEBUG__
2061         char buf[512];
2062         ::GetClassNameA((HWND) hWnd, buf, 512);
2063         wxString className(buf);
2064 #endif
2065
2066         wxAssociateWinWithHandle(hWnd, wxWndHook);
2067         wnd = wxWndHook;
2068         wxWndHook = NULL;
2069         wnd->SetHWND((WXHWND)hWnd);
2070     }
2071
2072     LRESULT rc;
2073
2074     // Stop right here if we don't have a valid handle in our wxWindow object.
2075     if ( wnd && !wnd->GetHWND() )
2076     {
2077         // FIXME: why do we do this?
2078         wnd->SetHWND((WXHWND) hWnd);
2079         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
2080         wnd->SetHWND(0);
2081     }
2082     else
2083     {
2084         if ( wnd )
2085             rc = wnd->MSWWindowProc(message, wParam, lParam);
2086         else
2087             rc = DefWindowProc( hWnd, message, wParam, lParam );
2088     }
2089
2090     return rc;
2091 }
2092
2093 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2094 {
2095     // did we process the message?
2096     bool processed = FALSE;
2097
2098     // the return value
2099     union
2100     {
2101         bool        allow;
2102         long        result;
2103         WXHICON     hIcon;
2104         WXHBRUSH    hBrush;
2105     } rc;
2106
2107     // for most messages we should return 0 when we do process the message
2108     rc.result = 0;
2109
2110     switch ( message )
2111     {
2112         case WM_CREATE:
2113             {
2114                 bool mayCreate;
2115                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2116                 if ( processed )
2117                 {
2118                     // return 0 to allow window creation
2119                     rc.result = mayCreate ? 0 : -1;
2120                 }
2121             }
2122             break;
2123
2124         case WM_DESTROY:
2125             processed = HandleDestroy();
2126             break;
2127
2128         case WM_MOVE:
2129             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2130             break;
2131
2132         case WM_SIZE:
2133             switch ( wParam )
2134             {
2135                 case SIZE_MAXHIDE:
2136                 case SIZE_MAXSHOW:
2137                     // we're not interested in these messages at all
2138                     break;
2139
2140                 case SIZE_MINIMIZED:
2141                     // we shouldn't send sizev events for these messages as the
2142                     // client size may be negative which breaks existing code
2143                     //
2144                     // OTOH we might send another (wxMinimizedEvent?) one or
2145                     // add an additional parameter to wxSizeEvent if this is
2146                     // useful to anybody
2147                     break;
2148
2149                 default:
2150                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2151                     // fall through nevertheless
2152
2153                 case SIZE_MAXIMIZED:
2154                 case SIZE_RESTORED:
2155                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2156                                            wParam);
2157             }
2158             break;
2159
2160 #ifndef __WXMICROWIN__
2161         case WM_ACTIVATEAPP:
2162             wxTheApp->SetActive(wParam != 0, FindFocus());
2163             break;
2164 #endif
2165
2166         case WM_ACTIVATE:
2167             {
2168                 WXWORD state, minimized;
2169                 WXHWND hwnd;
2170                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2171
2172                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2173             }
2174             break;
2175
2176         case WM_SETFOCUS:
2177             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2178             break;
2179
2180         case WM_KILLFOCUS:
2181             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2182             break;
2183
2184         case WM_PAINT:
2185             processed = HandlePaint();
2186             break;
2187
2188         case WM_CLOSE:
2189             // don't let the DefWindowProc() destroy our window - we'll do it
2190             // ourselves in ~wxWindow
2191             processed = TRUE;
2192             rc.result = TRUE;
2193             break;
2194
2195         case WM_SHOWWINDOW:
2196             processed = HandleShow(wParam != 0, (int)lParam);
2197             break;
2198
2199         case WM_MOUSEMOVE:
2200             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2201                                         GET_Y_LPARAM(lParam),
2202                                         wParam);
2203             break;
2204
2205 #if wxUSE_MOUSEWHEEL
2206         case WM_MOUSEWHEEL:
2207             processed = HandleMouseWheel(wParam, lParam);
2208             break;
2209 #endif
2210
2211         case WM_LBUTTONDOWN:
2212         case WM_LBUTTONUP:
2213         case WM_LBUTTONDBLCLK:
2214         case WM_RBUTTONDOWN:
2215         case WM_RBUTTONUP:
2216         case WM_RBUTTONDBLCLK:
2217         case WM_MBUTTONDOWN:
2218         case WM_MBUTTONUP:
2219         case WM_MBUTTONDBLCLK:
2220          {
2221                 processed = FALSE;
2222 #ifdef __WXMICROWIN__
2223                 // MicroWindows seems to ignore the fact that a window is
2224                 // disabled. So catch mouse events and throw them away if
2225                 // necessary.
2226                 wxWindowMSW* win = this;
2227                 while (win)
2228                 {
2229                     if (!win->IsEnabled())
2230                     {
2231                         processed = TRUE;
2232                         break;
2233                     }
2234                     win = win->GetParent();
2235                     if (win && win->IsTopLevel())
2236                         break;
2237                 }
2238 #endif // __WXMICROWIN__
2239                 if (!processed)
2240                 {
2241                     if (message == WM_LBUTTONDOWN && AcceptsFocus())
2242                         SetFocus();
2243                      processed = HandleMouseEvent(message,
2244                                          GET_X_LPARAM(lParam),
2245                                          GET_Y_LPARAM(lParam),
2246                                                   wParam);
2247                 }
2248                 break;
2249          }
2250
2251 #ifdef __WXMICROWIN__
2252         case WM_NCLBUTTONDOWN:
2253         case WM_NCLBUTTONUP:
2254         case WM_NCLBUTTONDBLCLK:
2255         case WM_NCRBUTTONDOWN:
2256         case WM_NCRBUTTONUP:
2257         case WM_NCRBUTTONDBLCLK:
2258 #if 0
2259         case WM_NCMBUTTONDOWN:
2260         case WM_NCMBUTTONUP:
2261         case WM_NCMBUTTONDBLCLK:
2262 #endif
2263             {
2264                 // MicroWindows seems to ignore the fact that a window
2265                 // is disabled. So catch mouse events and throw them away if necessary.
2266                 processed = FALSE;
2267                 wxWindowMSW* win = this;
2268                 while (win)
2269                 {
2270                     if (!win->IsEnabled())
2271                     {
2272                         processed = TRUE;
2273                         break;
2274                     }
2275                     win = win->GetParent();
2276                     if (win && win->IsTopLevel())
2277                         break;
2278                 }
2279                 break;
2280             }
2281 #endif // __WXMICROWIN__
2282
2283 #ifdef MM_JOY1MOVE
2284         case MM_JOY1MOVE:
2285         case MM_JOY2MOVE:
2286         case MM_JOY1ZMOVE:
2287         case MM_JOY2ZMOVE:
2288         case MM_JOY1BUTTONDOWN:
2289         case MM_JOY2BUTTONDOWN:
2290         case MM_JOY1BUTTONUP:
2291         case MM_JOY2BUTTONUP:
2292             processed = HandleJoystickEvent(message,
2293                                             GET_X_LPARAM(lParam),
2294                                             GET_Y_LPARAM(lParam),
2295                                             wParam);
2296             break;
2297 #endif // __WXMICROWIN__
2298
2299         case WM_SYSCOMMAND:
2300             processed = HandleSysCommand(wParam, lParam);
2301             break;
2302
2303         case WM_COMMAND:
2304             {
2305                 WORD id, cmd;
2306                 WXHWND hwnd;
2307                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2308
2309                 processed = HandleCommand(id, cmd, hwnd);
2310             }
2311             break;
2312
2313 #ifdef __WIN95__
2314         case WM_NOTIFY:
2315             processed = HandleNotify((int)wParam, lParam, &rc.result);
2316             break;
2317 #endif  // Win95
2318
2319             // for these messages we must return TRUE if process the message
2320 #ifdef WM_DRAWITEM
2321         case WM_DRAWITEM:
2322         case WM_MEASUREITEM:
2323             {
2324                 int idCtrl = (UINT)wParam;
2325                 if ( message == WM_DRAWITEM )
2326                 {
2327                     processed = MSWOnDrawItem(idCtrl,
2328                                               (WXDRAWITEMSTRUCT *)lParam);
2329                 }
2330                 else
2331                 {
2332                     processed = MSWOnMeasureItem(idCtrl,
2333                                                  (WXMEASUREITEMSTRUCT *)lParam);
2334                 }
2335
2336                 if ( processed )
2337                     rc.result = TRUE;
2338             }
2339             break;
2340 #endif // defined(WM_DRAWITEM)
2341
2342         case WM_GETDLGCODE:
2343             if ( m_lDlgCode )
2344             {
2345                 rc.result = m_lDlgCode;
2346                 processed = TRUE;
2347             }
2348             //else: get the dlg code from the DefWindowProc()
2349             break;
2350
2351         case WM_SYSKEYDOWN:
2352         case WM_KEYDOWN:
2353             // If this has been processed by an event handler,
2354             // return 0 now (we've handled it).
2355             if ( HandleKeyDown((WORD) wParam, lParam) )
2356             {
2357                 processed = TRUE;
2358
2359                 break;
2360             }
2361
2362             // we consider these message "not interesting" to OnChar
2363             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2364             {
2365                 processed = TRUE;
2366
2367                 break;
2368             }
2369
2370             switch ( wParam )
2371             {
2372                 // avoid duplicate messages to OnChar for these ASCII keys: they
2373                 // will be translated by TranslateMessage() and received in WM_CHAR
2374                 case VK_ESCAPE:
2375                 case VK_SPACE:
2376                 case VK_RETURN:
2377                 case VK_BACK:
2378                 case VK_TAB:
2379                 case VK_ADD:
2380                 case VK_SUBTRACT:
2381                     // but set processed to FALSE, not TRUE to still pass them to
2382                     // the control's default window proc - otherwise built-in
2383                     // keyboard handling won't work
2384                     processed = FALSE;
2385
2386                     break;
2387
2388 #ifdef VK_APPS
2389                 // special case of VK_APPS: treat it the same as right mouse
2390                 // click because both usually pop up a context menu
2391                 case VK_APPS:
2392                     {
2393                         WPARAM flags;
2394                         int x, y;
2395
2396                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2397                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2398                     }
2399                     break;
2400 #endif // VK_APPS
2401
2402                 case VK_LEFT:
2403                 case VK_RIGHT:
2404                 case VK_DOWN:
2405                 case VK_UP:
2406                 default:
2407                     processed = HandleChar((WORD)wParam, lParam);
2408             }
2409             break;
2410
2411         case WM_SYSKEYUP:
2412         case WM_KEYUP:
2413 #ifdef VK_APPS
2414             // special case of VK_APPS: treat it the same as right mouse button
2415             if ( wParam == VK_APPS )
2416             {
2417                 WPARAM flags;
2418                 int x, y;
2419
2420                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2421                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2422             }
2423             else
2424 #endif // VK_APPS
2425             {
2426                 processed = HandleKeyUp((WORD) wParam, lParam);
2427             }
2428             break;
2429
2430         case WM_SYSCHAR:
2431         case WM_CHAR: // Always an ASCII character
2432             processed = HandleChar((WORD)wParam, lParam, TRUE);
2433             break;
2434
2435         case WM_HSCROLL:
2436         case WM_VSCROLL:
2437             {
2438                 WXWORD code, pos;
2439                 WXHWND hwnd;
2440                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2441
2442                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2443                                                               : wxVERTICAL,
2444                                         code, pos, hwnd);
2445             }
2446             break;
2447
2448         // CTLCOLOR messages are sent by children to query the parent for their
2449         // colors#ifndef __WXMICROWIN__
2450 #ifndef __WXMICROWIN__
2451 #ifdef __WIN32__
2452         case WM_CTLCOLORMSGBOX:
2453         case WM_CTLCOLOREDIT:
2454         case WM_CTLCOLORLISTBOX:
2455         case WM_CTLCOLORBTN:
2456         case WM_CTLCOLORDLG:
2457         case WM_CTLCOLORSCROLLBAR:
2458         case WM_CTLCOLORSTATIC:
2459 #else // Win16
2460         case WM_CTLCOLOR:
2461 #endif // Win32/16
2462             {
2463                 WXWORD nCtlColor;
2464                 WXHDC hdc;
2465                 WXHWND hwnd;
2466                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2467
2468                 processed = HandleCtlColor(&rc.hBrush,
2469                                            (WXHDC)hdc,
2470                                            (WXHWND)hwnd,
2471                                            nCtlColor,
2472                                            message,
2473                                            wParam,
2474                                            lParam);
2475             }
2476             break;
2477 #endif // !__WXMICROWIN__
2478
2479             // the return value for this message is ignored
2480         case WM_SYSCOLORCHANGE:
2481             processed = HandleSysColorChange();
2482             break;
2483
2484         case WM_PALETTECHANGED:
2485             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2486             break;
2487
2488         case WM_QUERYNEWPALETTE:
2489             processed = HandleQueryNewPalette();
2490             break;
2491
2492         case WM_ERASEBKGND:
2493             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2494             if ( processed )
2495             {
2496                 // we processed the message, i.e. erased the background
2497                 rc.result = TRUE;
2498             }
2499             break;
2500
2501         case WM_DROPFILES:
2502             processed = HandleDropFiles(wParam);
2503             break;
2504
2505         case WM_INITDIALOG:
2506             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2507
2508             if ( processed )
2509             {
2510                 // we never set focus from here
2511                 rc.result = FALSE;
2512             }
2513             break;
2514
2515         case WM_QUERYENDSESSION:
2516             processed = HandleQueryEndSession(lParam, &rc.allow);
2517             break;
2518
2519         case WM_ENDSESSION:
2520             processed = HandleEndSession(wParam != 0, lParam);
2521             break;
2522
2523         case WM_GETMINMAXINFO:
2524             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2525             break;
2526
2527         case WM_SETCURSOR:
2528             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2529                                         LOWORD(lParam),     // hit test
2530                                         HIWORD(lParam));    // mouse msg
2531
2532             if ( processed )
2533             {
2534                 // returning TRUE stops the DefWindowProc() from further
2535                 // processing this message - exactly what we need because we've
2536                 // just set the cursor.
2537                 rc.result = TRUE;
2538             }
2539             break;
2540
2541 #if defined(__WIN32__) && defined(WM_HELP)
2542         case WM_HELP:
2543             {
2544                 HELPINFO* info = (HELPINFO*) lParam;
2545                 // Don't yet process menu help events, just windows
2546                 if (info->iContextType == HELPINFO_WINDOW)
2547                 {
2548                     wxWindowMSW* subjectOfHelp = this;
2549                     bool eventProcessed = FALSE;
2550                     while (subjectOfHelp && !eventProcessed)
2551                     {
2552                         wxHelpEvent helpEvent(wxEVT_HELP,
2553                                               subjectOfHelp->GetId(),
2554                                               wxPoint(info->MousePos.x,
2555                                               info->MousePos.y) );
2556                         helpEvent.SetEventObject(this);
2557                         eventProcessed =
2558                             GetEventHandler()->ProcessEvent(helpEvent);
2559
2560                         // Go up the window hierarchy until the event is
2561                         // handled (or not)
2562                         subjectOfHelp = subjectOfHelp->GetParent();
2563                     }
2564
2565                     processed = eventProcessed;
2566                 }
2567                 else if (info->iContextType == HELPINFO_MENUITEM)
2568                 {
2569                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2570                     helpEvent.SetEventObject(this);
2571                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2572
2573                 }
2574                 //else: processed is already FALSE
2575             }
2576             break;
2577
2578         case WM_CONTEXTMENU:
2579             {
2580                 // we don't convert from screen to client coordinates as
2581                 // the event may be handled by a parent window
2582                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2583
2584                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2585                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2586             }
2587             break;
2588 #endif // __WIN32__
2589
2590 #ifdef __WXUNIVERSAL__
2591         case WM_NCHITTEST:
2592             // we shouldn't allow the windows which don't want to get focus to
2593             // get it
2594             if ( !AcceptsFocus() )
2595             {
2596                 rc.result = HTTRANSPARENT;
2597                 processed = TRUE;
2598             }
2599             break;
2600 #endif // __WXUNIVERSAL__
2601     }
2602
2603     if ( !processed )
2604     {
2605 #ifdef __WXDEBUG__
2606         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2607                    wxGetMessageName(message));
2608 #endif // __WXDEBUG__
2609         rc.result = MSWDefWindowProc(message, wParam, lParam);
2610     }
2611
2612     return rc.result;
2613 }
2614
2615 // Dialog window proc
2616 LONG APIENTRY _EXPORT
2617 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2618 {
2619     if ( message == WM_INITDIALOG )
2620     {
2621         // for this message, returning TRUE tells system to set focus to the
2622         // first control in the dialog box
2623         return TRUE;
2624     }
2625     else
2626     {
2627         // for all the other ones, FALSE means that we didn't process the
2628         // message
2629         return 0;
2630     }
2631 }
2632
2633 wxList *wxWinHandleList = NULL;
2634 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2635 {
2636     wxNode *node = wxWinHandleList->Find((long)hWnd);
2637     if ( !node )
2638         return NULL;
2639     return (wxWindow *)node->Data();
2640 }
2641
2642 #if 0 // def __WXDEBUG__
2643 static int gs_AssociationCount = 0;
2644 #endif
2645
2646 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2647 {
2648     // adding NULL hWnd is (first) surely a result of an error and
2649     // (secondly) breaks menu command processing
2650     wxCHECK_RET( hWnd != (HWND)NULL,
2651                  wxT("attempt to add a NULL hWnd to window list ignored") );
2652
2653
2654     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2655     if ( oldWin && (oldWin != win) )
2656     {
2657         wxString str(win->GetClassInfo()->GetClassName());
2658         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2659     }
2660     else if (!oldWin)
2661     {
2662 #if 0 // def __WXDEBUG__
2663         gs_AssociationCount ++;
2664         wxLogDebug("+ Association %d", gs_AssociationCount);
2665 #endif
2666
2667         wxWinHandleList->Append((long)hWnd, win);
2668     }
2669 }
2670
2671 void wxRemoveHandleAssociation(wxWindowMSW *win)
2672 {
2673 #if 0 // def __WXDEBUG__
2674     if (wxWinHandleList->Member(win))
2675     {
2676         wxLogDebug("- Association %d", gs_AssociationCount);
2677         gs_AssociationCount --;
2678     }
2679 #endif
2680     wxWinHandleList->DeleteObject(win);
2681 }
2682
2683 // Default destroyer - override if you destroy it in some other way
2684 // (e.g. with MDI child windows)
2685 void wxWindowMSW::MSWDestroyWindow()
2686 {
2687 }
2688
2689 void wxWindowMSW::MSWDetachWindowMenu()
2690 {
2691 #ifndef __WXUNIVERSAL__
2692     if ( m_hMenu )
2693     {
2694         wxChar buf[1024];
2695         HMENU hMenu = (HMENU)m_hMenu;
2696
2697         int N = ::GetMenuItemCount(hMenu);
2698         for ( int i = 0; i < N; i++ )
2699         {
2700             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2701             {
2702                 wxLogLastError(wxT("GetMenuString"));
2703
2704                 continue;
2705             }
2706
2707             if ( wxStrcmp(buf, _("&Window")) == 0 )
2708             {
2709                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2710                 {
2711                     wxLogLastError(wxT("RemoveMenu"));
2712                 }
2713
2714                 break;
2715             }
2716         }
2717     }
2718 #endif
2719 }
2720
2721 bool wxWindowMSW::MSWCreate(int id,
2722                             wxWindow *parent,
2723                             const wxChar *wclass,
2724                             wxWindow * WXUNUSED(wx_win),
2725                             const wxChar *title,
2726                             int x,
2727                             int y,
2728                             int width,
2729                             int height,
2730                             WXDWORD style,
2731                             const wxChar *dialog_template,
2732                             WXDWORD extendedStyle)
2733 {
2734     int x1 = CW_USEDEFAULT;
2735     int y1 = 0;
2736     int width1 = CW_USEDEFAULT;
2737     int height1 = 100;
2738
2739     // Find parent's size, if it exists, to set up a possible default
2740     // panel size the size of the parent window
2741     RECT rectParent;
2742     if ( parent )
2743     {
2744         ::GetClientRect(GetHwndOf(parent), &rectParent);
2745
2746         width1 = rectParent.right - rectParent.left;
2747         height1 = rectParent.bottom - rectParent.top;
2748     }
2749
2750     if ( x != -1 )
2751         x1 = x;
2752     if ( y != -1 )
2753         y1 = y;
2754     if ( width != -1 )
2755         width1 = width;
2756     if ( height != -1 )
2757         height1 = height;
2758
2759     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2760     // hierarchy with several embedded panels (and not all of them) causes the
2761     // program to hang during the next call to IsDialogMessage() due to the bug
2762     // in this function (at least in Windows NT 4.0, it seems to work ok in
2763     // Win2K)
2764 #if 0
2765     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2766     // IsDialogMessage() won't work for us
2767     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2768     {
2769         extendedStyle |= WS_EX_CONTROLPARENT;
2770     }
2771 #endif // 0
2772
2773     HWND hParent;
2774     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2775     {
2776         // popup windows should have desktop as parent because they shouldn't
2777         // be limited to the parents client area as child windows usually are
2778         hParent = ::GetDesktopWindow();
2779     }
2780     else if ( parent )
2781     {
2782         hParent = GetHwndOf(parent);
2783     }
2784     else
2785     {
2786         // top level window
2787         hParent = NULL;
2788     }
2789
2790     wxWndHook = this;
2791
2792 #ifndef __WXMICROWIN__
2793     if ( dialog_template )
2794     {
2795         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2796         // app window as parent - this avoids creating modal dialogs without
2797         // parent
2798         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2799         {
2800             wxWindow *winTop = wxTheApp->GetTopWindow();
2801             if ( winTop )
2802                 hParent = GetHwndOf(winTop);
2803         }
2804
2805         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2806                                         dialog_template,
2807                                         hParent,
2808                                         (DLGPROC)wxDlgProc);
2809
2810         if ( m_hWnd == 0 )
2811         {
2812             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2813                        dialog_template);
2814
2815             return FALSE;
2816         }
2817
2818         if ( extendedStyle != 0 )
2819         {
2820             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2821             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2822                            SWP_NOSIZE |
2823                            SWP_NOMOVE |
2824                            SWP_NOZORDER |
2825                            SWP_NOACTIVATE);
2826         }
2827
2828 #if defined(__WIN95__)
2829         // For some reason, the system menu is activated when we use the
2830         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2831         if (extendedStyle & WS_EX_CONTEXTHELP)
2832         {
2833             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2834             if ( winTop )
2835             {
2836                 wxIcon icon = winTop->GetIcon();
2837                 if ( icon.Ok() )
2838                 {
2839                     ::SendMessage(GetHwnd(), WM_SETICON,
2840                                   (WPARAM)TRUE,
2841                                   (LPARAM)GetHiconOf(icon));
2842                 }
2843             }
2844         }
2845 #endif // __WIN95__
2846
2847
2848         // JACS: is the following still necessary? The above seems to work.
2849
2850         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2851         // to take care of (at least some) extended style flags ourselves
2852         if ( extendedStyle & WS_EX_TOPMOST )
2853         {
2854             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2855                                  SWP_NOSIZE | SWP_NOMOVE) )
2856             {
2857                 wxLogLastError(wxT("SetWindowPos"));
2858             }
2859         }
2860
2861         // move the dialog to its initial position without forcing repainting
2862         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2863         {
2864             wxLogLastError(wxT("MoveWindow"));
2865         }
2866
2867     }
2868     else // creating a normal window, not a dialog
2869 #endif // !__WXMICROWIN__
2870     {
2871         int controlId = 0;
2872         if ( style & WS_CHILD )
2873         {
2874             controlId = id;
2875
2876             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2877             {
2878                 style |= WS_CLIPSIBLINGS;
2879             }
2880         }
2881
2882         wxString className(wclass);
2883         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2884         {
2885             className += wxT("NR");
2886         }
2887
2888         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2889                                         className,
2890                                         title ? title : wxT(""),
2891                                         style,
2892                                         x1, y1,
2893                                         width1, height1,
2894                                         hParent, (HMENU)controlId,
2895                                         wxGetInstance(),
2896                                         NULL);
2897
2898         if ( !m_hWnd )
2899         {
2900             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2901                        wclass);
2902
2903             return FALSE;
2904         }
2905     }
2906
2907     wxWndHook = NULL;
2908
2909 #ifdef __WXDEBUG__
2910     wxNode* node = wxWinHandleList->Member(this);
2911     if (node)
2912     {
2913         HWND hWnd = (HWND) node->GetKeyInteger();
2914         if (hWnd != (HWND) m_hWnd)
2915         {
2916             wxLogError(wxT("A second HWND association is being added for the same window!"));
2917         }
2918     }
2919 #endif // Debug
2920
2921     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2922
2923     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2924
2925     return TRUE;
2926 }
2927
2928 // ===========================================================================
2929 // MSW message handlers
2930 // ===========================================================================
2931
2932 // ---------------------------------------------------------------------------
2933 // WM_NOTIFY
2934 // ---------------------------------------------------------------------------
2935
2936 #ifdef __WIN95__
2937 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2938 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2939 {
2940 #ifndef __WXMICROWIN__
2941     LPNMHDR hdr = (LPNMHDR)lParam;
2942     HWND hWnd = hdr->hwndFrom;
2943     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2944
2945     // is this one of our windows?
2946     if ( win )
2947     {
2948         return win->MSWOnNotify(idCtrl, lParam, result);
2949     }
2950
2951     // try all our children
2952     wxWindowList::Node *node = GetChildren().GetFirst();
2953     while ( node )
2954     {
2955         wxWindow *child = node->GetData();
2956         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2957         {
2958             return TRUE;
2959         }
2960
2961         node = node->GetNext();
2962     }
2963
2964     // finally try this window too (catches toolbar case)
2965     return MSWOnNotify(idCtrl, lParam, result);
2966 #else // __WXMICROWIN__
2967     return FALSE;
2968 #endif
2969 }
2970
2971 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2972                            WXLPARAM lParam,
2973                            WXLPARAM* WXUNUSED(result))
2974 {
2975 #if wxUSE_TOOLTIPS
2976     NMHDR* hdr = (NMHDR *)lParam;
2977     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2978     {
2979         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2980         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2981
2982         // processed
2983         return TRUE;
2984     }
2985 #endif // wxUSE_TOOLTIPS
2986
2987     return FALSE;
2988 }
2989 #endif // __WIN95__
2990
2991 // ---------------------------------------------------------------------------
2992 // end session messages
2993 // ---------------------------------------------------------------------------
2994
2995 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2996 {
2997     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2998     event.SetEventObject(wxTheApp);
2999     event.SetCanVeto(TRUE);
3000     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
3001
3002     bool rc = wxTheApp->ProcessEvent(event);
3003
3004     if ( rc )
3005     {
3006         // we may end only if the app didn't veto session closing (double
3007         // negation...)
3008         *mayEnd = !event.GetVeto();
3009     }
3010
3011     return rc;
3012 }
3013
3014 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
3015 {
3016     // do nothing if the session isn't ending
3017     if ( !endSession )
3018         return FALSE;
3019
3020     wxCloseEvent event(wxEVT_END_SESSION, -1);
3021     event.SetEventObject(wxTheApp);
3022     event.SetCanVeto(FALSE);
3023     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
3024     if ( (this == wxTheApp->GetTopWindow()) && // Only send once
3025         wxTheApp->ProcessEvent(event))
3026     {
3027     }
3028     return TRUE;
3029 }
3030
3031 // ---------------------------------------------------------------------------
3032 // window creation/destruction
3033 // ---------------------------------------------------------------------------
3034
3035 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
3036 {
3037     // TODO: should generate this event from WM_NCCREATE
3038     wxWindowCreateEvent event((wxWindow *)this);
3039     (void)GetEventHandler()->ProcessEvent(event);
3040
3041     *mayCreate = TRUE;
3042
3043     return TRUE;
3044 }
3045
3046 bool wxWindowMSW::HandleDestroy()
3047 {
3048     wxWindowDestroyEvent event((wxWindow *)this);
3049     (void)GetEventHandler()->ProcessEvent(event);
3050
3051     // delete our drop target if we've got one
3052 #if wxUSE_DRAG_AND_DROP
3053     if ( m_dropTarget != NULL )
3054     {
3055         m_dropTarget->Revoke(m_hWnd);
3056
3057         delete m_dropTarget;
3058         m_dropTarget = NULL;
3059     }
3060 #endif // wxUSE_DRAG_AND_DROP
3061
3062     // WM_DESTROY handled
3063     return TRUE;
3064 }
3065
3066 // ---------------------------------------------------------------------------
3067 // activation/focus
3068 // ---------------------------------------------------------------------------
3069
3070 void wxWindowMSW::OnSetFocus(wxFocusEvent& event)
3071 {
3072     // panel wants to track the window which was the last to have focus in it,
3073     // so we want to set ourselves as the window which last had focus
3074     //
3075     // notice that it's also important to do it upwards the tree becaus
3076     // otherwise when the top level panel gets focus, it won't set it back to
3077     // us, but to some other sibling
3078     wxWindow *win = (wxWindow *)this;
3079     while ( win )
3080     {
3081         wxWindow *parent = win->GetParent();
3082         wxPanel *panel = wxDynamicCast(parent, wxPanel);
3083         if ( panel )
3084         {
3085             panel->SetLastFocus(win);
3086         }
3087
3088         win = parent;
3089     }
3090
3091     wxLogTrace(_T("focus"), _T("%s (0x%08x) gets focus"),
3092                GetClassInfo()->GetClassName(), GetHandle());
3093
3094     event.Skip();
3095 }
3096
3097 bool wxWindowMSW::HandleActivate(int state,
3098                               bool WXUNUSED(minimized),
3099                               WXHWND WXUNUSED(activate))
3100 {
3101     wxActivateEvent event(wxEVT_ACTIVATE,
3102                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
3103                           m_windowId);
3104     event.SetEventObject(this);
3105
3106     return GetEventHandler()->ProcessEvent(event);
3107 }
3108
3109 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
3110 {
3111 #if wxUSE_CARET
3112     // Deal with caret
3113     if ( m_caret )
3114     {
3115         m_caret->OnSetFocus();
3116     }
3117 #endif // wxUSE_CARET
3118
3119     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
3120     event.SetEventObject(this);
3121
3122     // wxFindWinFromHandle() may return NULL, it is ok
3123     event.SetWindow(wxFindWinFromHandle(hwnd));
3124
3125     return GetEventHandler()->ProcessEvent(event);
3126 }
3127
3128 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
3129 {
3130 #if wxUSE_CARET
3131     // Deal with caret
3132     if ( m_caret )
3133     {
3134         m_caret->OnKillFocus();
3135     }
3136 #endif // wxUSE_CARET
3137
3138     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
3139     event.SetEventObject(this);
3140
3141     // wxFindWinFromHandle() may return NULL, it is ok
3142     event.SetWindow(wxFindWinFromHandle(hwnd));
3143
3144     return GetEventHandler()->ProcessEvent(event);
3145 }
3146
3147 // ---------------------------------------------------------------------------
3148 // miscellaneous
3149 // ---------------------------------------------------------------------------
3150
3151 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3152 {
3153     wxShowEvent event(GetId(), show);
3154     event.m_eventObject = this;
3155
3156     return GetEventHandler()->ProcessEvent(event);
3157 }
3158
3159 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3160 {
3161     wxInitDialogEvent event(GetId());
3162     event.m_eventObject = this;
3163
3164     return GetEventHandler()->ProcessEvent(event);
3165 }
3166
3167 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3168 {
3169 #ifndef __WXMICROWIN__
3170     HDROP hFilesInfo = (HDROP) wParam;
3171     POINT dropPoint;
3172     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3173
3174     // Get the total number of files dropped
3175     WORD gwFilesDropped = (WORD)::DragQueryFile
3176                             (
3177                                 (HDROP)hFilesInfo,
3178                                 (UINT)-1,
3179                                 (LPTSTR)0,
3180                                 (UINT)0
3181                             );
3182
3183     wxString *files = new wxString[gwFilesDropped];
3184     int wIndex;
3185     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3186     {
3187         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3188         files[wIndex] = wxBuffer;
3189     }
3190     DragFinish (hFilesInfo);
3191
3192     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3193     event.m_eventObject = this;
3194     event.m_pos.x = dropPoint.x; event.m_pos.x = dropPoint.y;
3195
3196     bool rc = GetEventHandler()->ProcessEvent(event);
3197
3198     delete[] files;
3199
3200     return rc;
3201 #else // __WXMICROWIN__
3202     return FALSE;
3203 #endif
3204 }
3205
3206 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3207                                   short nHitTest,
3208                                   int WXUNUSED(mouseMsg))
3209 {
3210 #ifndef __WXMICROWIN__
3211     // the logic is as follows:
3212     // -1. don't set cursor for non client area, including but not limited to
3213     //     the title bar, scrollbars, &c
3214     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3215     //  1. if we have the cursor set it unless wxIsBusy()
3216     //  2. if we're a top level window, set some cursor anyhow
3217     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3218
3219     if ( nHitTest != HTCLIENT )
3220     {
3221         return FALSE;
3222     }
3223
3224     HCURSOR hcursor = 0;
3225
3226     // first ask the user code - it may wish to set the cursor in some very
3227     // specific way (for example, depending on the current position)
3228     POINT pt;
3229 #ifdef __WIN32__
3230     if ( !::GetCursorPos(&pt) )
3231     {
3232         wxLogLastError(wxT("GetCursorPos"));
3233     }
3234 #else
3235     // In WIN16 it doesn't return a value.
3236     ::GetCursorPos(&pt);
3237 #endif
3238
3239     int x = pt.x,
3240         y = pt.y;
3241     ScreenToClient(&x, &y);
3242     wxSetCursorEvent event(x, y);
3243
3244     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3245     if ( processedEvtSetCursor && event.HasCursor() )
3246     {
3247         hcursor = GetHcursorOf(event.GetCursor());
3248     }
3249
3250     if ( !hcursor )
3251     {
3252         bool isBusy = wxIsBusy();
3253
3254         // the test for processedEvtSetCursor is here to prevent using m_cursor
3255         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3256         // it - this is a way to say that our cursor shouldn't be used for this
3257         // point
3258         if ( !processedEvtSetCursor && m_cursor.Ok() )
3259         {
3260             hcursor = GetHcursorOf(m_cursor);
3261         }
3262
3263         if ( !GetParent() )
3264         {
3265             if ( isBusy )
3266             {
3267                 hcursor = wxGetCurrentBusyCursor();
3268             }
3269             else if ( !hcursor )
3270             {
3271                 const wxCursor *cursor = wxGetGlobalCursor();
3272                 if ( cursor && cursor->Ok() )
3273                 {
3274                     hcursor = GetHcursorOf(*cursor);
3275                 }
3276             }
3277         }
3278     }
3279
3280     if ( hcursor )
3281     {
3282         ::SetCursor(hcursor);
3283
3284         // cursor set, stop here
3285         return TRUE;
3286     }
3287 #endif // __WXMICROWIN__
3288
3289     // pass up the window chain
3290     return FALSE;
3291 }
3292
3293 // ---------------------------------------------------------------------------
3294 // owner drawn stuff
3295 // ---------------------------------------------------------------------------
3296
3297 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3298 {
3299 #if wxUSE_OWNER_DRAWN
3300
3301 #if wxUSE_MENUS_NATIVE
3302     // is it a menu item?
3303     if ( id == 0 )
3304     {
3305         DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3306         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3307
3308         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3309
3310         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3311         // the DC from being released
3312         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3313         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3314                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3315                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3316
3317         return pMenuItem->OnDrawItem
3318                (
3319                 dc,
3320                 rect,
3321                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3322                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3323                );
3324     }
3325 #endif // wxUSE_MENUS_NATIVE
3326
3327 #if wxUSE_CONTROLS
3328     wxWindow *item = FindItem(id);
3329     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3330     {
3331         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3332     }
3333 #endif // wxUSE_CONTROLS
3334
3335 #endif // USE_OWNER_DRAWN
3336
3337     return FALSE;
3338 }
3339
3340 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3341 {
3342 #if wxUSE_OWNER_DRAWN
3343     // is it a menu item?
3344     if ( id == 0 )
3345     {
3346         MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3347         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3348
3349         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3350
3351         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3352                                         &pMeasureStruct->itemHeight);
3353     }
3354
3355     wxWindow *item = FindItem(id);
3356     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3357     {
3358         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3359     }
3360 #endif  // owner-drawn menus
3361     return FALSE;
3362 }
3363
3364 // ---------------------------------------------------------------------------
3365 // colours and palettes
3366 // ---------------------------------------------------------------------------
3367
3368 bool wxWindowMSW::HandleSysColorChange()
3369 {
3370     wxSysColourChangedEvent event;
3371     event.SetEventObject(this);
3372
3373     return GetEventHandler()->ProcessEvent(event);
3374 }
3375
3376 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3377                               WXHDC pDC,
3378                               WXHWND pWnd,
3379                               WXUINT nCtlColor,
3380                               WXUINT message,
3381                               WXWPARAM wParam,
3382                               WXLPARAM lParam)
3383 {
3384 #ifndef __WXMICROWIN__
3385     WXHBRUSH hBrush = 0;
3386
3387     if ( nCtlColor == CTLCOLOR_DLG )
3388     {
3389         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3390     }
3391 #if wxUSE_CONTROLS
3392     else
3393     {
3394         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3395         if ( item )
3396             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3397     }
3398 #endif // wxUSE_CONTROLS
3399
3400     if ( hBrush )
3401         *brush = hBrush;
3402
3403     return hBrush != 0;
3404 #else // __WXMICROWIN__
3405     return FALSE;
3406 #endif
3407 }
3408
3409 // Define for each class of dialog and control
3410 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3411                                  WXHWND WXUNUSED(hWnd),
3412                                  WXUINT WXUNUSED(nCtlColor),
3413                                  WXUINT WXUNUSED(message),
3414                                  WXWPARAM WXUNUSED(wParam),
3415                                  WXLPARAM WXUNUSED(lParam))
3416 {
3417     return (WXHBRUSH)0;
3418 }
3419
3420 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3421 {
3422     wxPaletteChangedEvent event(GetId());
3423     event.SetEventObject(this);
3424     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3425
3426     return GetEventHandler()->ProcessEvent(event);
3427 }
3428
3429 bool wxWindowMSW::HandleQueryNewPalette()
3430 {
3431     wxQueryNewPaletteEvent event(GetId());
3432     event.SetEventObject(this);
3433
3434     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3435 }
3436
3437 // Responds to colour changes: passes event on to children.
3438 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3439 {
3440     wxNode *node = GetChildren().First();
3441     while ( node )
3442     {
3443         // Only propagate to non-top-level windows
3444         wxWindow *win = (wxWindow *)node->Data();
3445         if ( win->GetParent() )
3446         {
3447             wxSysColourChangedEvent event2;
3448             event.m_eventObject = win;
3449             win->GetEventHandler()->ProcessEvent(event2);
3450         }
3451
3452         node = node->Next();
3453     }
3454 }
3455
3456 // ---------------------------------------------------------------------------
3457 // painting
3458 // ---------------------------------------------------------------------------
3459
3460 bool wxWindowMSW::HandlePaint()
3461 {
3462 #ifdef __WIN32__
3463     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3464     if ( !hRegion )
3465         wxLogLastError(wxT("CreateRectRgn"));
3466     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3467         wxLogLastError(wxT("GetUpdateRgn"));
3468
3469     m_updateRegion = wxRegion((WXHRGN) hRegion);
3470 #else // Win16
3471     RECT updateRect;
3472     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3473
3474     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3475                               updateRect.right - updateRect.left,
3476                               updateRect.bottom - updateRect.top);
3477 #endif // Win32/16
3478
3479     wxPaintEvent event(m_windowId);
3480     event.SetEventObject(this);
3481
3482     bool processed = GetEventHandler()->ProcessEvent(event);
3483
3484     // note that we must generate NC event after the normal one as otherwise
3485     // BeginPaint() will happily overwrite our decorations with the background
3486     // colour
3487     wxNcPaintEvent eventNc(m_windowId);
3488     eventNc.SetEventObject(this);
3489     GetEventHandler()->ProcessEvent(eventNc);
3490
3491     return processed;
3492 }
3493
3494 // Can be called from an application's OnPaint handler
3495 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3496 {
3497 #ifdef __WXUNIVERSAL__
3498     event.Skip();
3499 #else
3500     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3501     if (hDC != 0)
3502     {
3503         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3504     }
3505 #endif
3506 }
3507
3508 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3509 {
3510     // Prevents flicker when dragging
3511     if ( ::IsIconic(GetHwnd()) )
3512         return TRUE;
3513
3514     wxDCTemp dc(hdc);
3515
3516     dc.SetHDC(hdc);
3517     dc.SetWindow((wxWindow *)this);
3518     dc.BeginDrawing();
3519
3520     wxEraseEvent event(m_windowId, &dc);
3521     event.SetEventObject(this);
3522     bool rc = GetEventHandler()->ProcessEvent(event);
3523
3524     dc.EndDrawing();
3525
3526     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3527     dc.SelectOldObjects(hdc);
3528
3529     return rc;
3530 }
3531
3532 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3533 {
3534     RECT rect;
3535     ::GetClientRect(GetHwnd(), &rect);
3536
3537     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3538                               m_backgroundColour.Green(),
3539                               m_backgroundColour.Blue());
3540     HBRUSH hBrush = ::CreateSolidBrush(ref);
3541     if ( !hBrush )
3542         wxLogLastError(wxT("CreateSolidBrush"));
3543
3544     HDC hdc = (HDC)event.GetDC()->GetHDC();
3545
3546     int mode = ::SetMapMode(hdc, MM_TEXT);
3547
3548     ::FillRect(hdc, &rect, hBrush);
3549     ::DeleteObject(hBrush);
3550     ::SetMapMode(hdc, mode);
3551 }
3552
3553 // ---------------------------------------------------------------------------
3554 // moving and resizing
3555 // ---------------------------------------------------------------------------
3556
3557 bool wxWindowMSW::HandleMinimize()
3558 {
3559     wxIconizeEvent event(m_windowId);
3560     event.SetEventObject(this);
3561
3562     return GetEventHandler()->ProcessEvent(event);
3563 }
3564
3565 bool wxWindowMSW::HandleMaximize()
3566 {
3567     wxMaximizeEvent event(m_windowId);
3568     event.SetEventObject(this);
3569
3570     return GetEventHandler()->ProcessEvent(event);
3571 }
3572
3573 bool wxWindowMSW::HandleMove(int x, int y)
3574 {
3575     wxMoveEvent event(wxPoint(x, y), m_windowId);
3576     event.SetEventObject(this);
3577
3578     return GetEventHandler()->ProcessEvent(event);
3579 }
3580
3581 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3582 {
3583     wxSizeEvent event(wxSize(w, h), m_windowId);
3584     event.SetEventObject(this);
3585
3586     return GetEventHandler()->ProcessEvent(event);
3587 }
3588
3589 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3590 {
3591     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3592
3593     bool rc = FALSE;
3594
3595     if ( m_minWidth != -1 )
3596     {
3597         info->ptMinTrackSize.x = m_minWidth;
3598         rc = TRUE;
3599     }
3600
3601     if ( m_minHeight != -1 )
3602     {
3603         info->ptMinTrackSize.y = m_minHeight;
3604         rc = TRUE;
3605     }
3606
3607     if ( m_maxWidth != -1 )
3608     {
3609         info->ptMaxTrackSize.x = m_maxWidth;
3610         rc = TRUE;
3611     }
3612
3613     if ( m_maxHeight != -1 )
3614     {
3615         info->ptMaxTrackSize.y = m_maxHeight;
3616         rc = TRUE;
3617     }
3618
3619     return rc;
3620 }
3621
3622 // ---------------------------------------------------------------------------
3623 // command messages
3624 // ---------------------------------------------------------------------------
3625
3626 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3627 {
3628 #if wxUSE_MENUS_NATIVE
3629     if ( wxCurrentPopupMenu )
3630     {
3631         wxMenu *popupMenu = wxCurrentPopupMenu;
3632         wxCurrentPopupMenu = NULL;
3633
3634         return popupMenu->MSWCommand(cmd, id);
3635     }
3636 #endif // wxUSE_MENUS_NATIVE
3637
3638     wxWindow *win = (wxWindow*) NULL;
3639     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3640     {
3641         // must cast to a signed type before comparing with other ids!
3642         win = FindItem((signed short)id);
3643     }
3644
3645     if (!win && control)
3646     {
3647         // find it from HWND - this works even with the broken programs using
3648         // the same ids for different controls
3649         win = wxFindWinFromHandle(control);
3650     }
3651
3652     if ( win )
3653     {
3654         return win->MSWCommand(cmd, id);
3655     }
3656
3657     // the messages sent from the in-place edit control used by the treectrl
3658     // for label editing have id == 0, but they should _not_ be treated as menu
3659     // messages (they are EN_XXX ones, in fact) so don't translate anything
3660     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3661     if ( !control )
3662     {
3663         // If no child window, it may be an accelerator, e.g. for a popup menu
3664         // command
3665
3666         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3667         event.SetEventObject(this);
3668         event.SetId(id);
3669         event.SetInt(id);
3670
3671         return GetEventHandler()->ProcessEvent(event);
3672     }
3673 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3674     else
3675     {
3676         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3677         // notifications to its parent which we want to reflect back to
3678         // wxSpinCtrl
3679         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3680         if ( spin && spin->ProcessTextCommand(cmd, id) )
3681             return TRUE;
3682     }
3683 #endif // wxUSE_SPINCTRL
3684
3685     return FALSE;
3686 }
3687
3688 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3689 {
3690     // 4 bits are reserved
3691     switch ( wParam & 0xFFFFFFF0 )
3692     {
3693         case SC_MAXIMIZE:
3694             return HandleMaximize();
3695
3696         case SC_MINIMIZE:
3697             return HandleMinimize();
3698     }
3699
3700     return FALSE;
3701 }
3702
3703 // ---------------------------------------------------------------------------
3704 // mouse events
3705 // ---------------------------------------------------------------------------
3706
3707 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3708                                  int x, int y,
3709                                  WXUINT flags)
3710 {
3711     // our client coords are not quite the same as Windows ones
3712     wxPoint pt = GetClientAreaOrigin();
3713     event.m_x = x - pt.x;
3714     event.m_y = y - pt.y;
3715
3716     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3717     event.m_controlDown = (flags & MK_CONTROL) != 0;
3718     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3719     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3720     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3721     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3722
3723     event.SetTimestamp(s_currentMsg.time);
3724     event.m_eventObject = this;
3725
3726 #if wxUSE_MOUSEEVENT_HACK
3727     m_lastMouseX = x;
3728     m_lastMouseY = y;
3729     m_lastMouseEvent = event.GetEventType();
3730 #endif // wxUSE_MOUSEEVENT_HACK
3731 }
3732
3733 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3734 {
3735     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3736     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3737     // from the message id and take the value in the table to get wxWin event
3738     // id
3739     static const wxEventType eventsMouse[] =
3740     {
3741         wxEVT_MOTION,
3742         wxEVT_LEFT_DOWN,
3743         wxEVT_LEFT_UP,
3744         wxEVT_LEFT_DCLICK,
3745         wxEVT_RIGHT_DOWN,
3746         wxEVT_RIGHT_UP,
3747         wxEVT_RIGHT_DCLICK,
3748         wxEVT_MIDDLE_DOWN,
3749         wxEVT_MIDDLE_UP,
3750         wxEVT_MIDDLE_DCLICK
3751     };
3752
3753     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3754     InitMouseEvent(event, x, y, flags);
3755
3756     return GetEventHandler()->ProcessEvent(event);
3757 }
3758
3759 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3760 {
3761     if ( !m_mouseInWindow )
3762     {
3763         // it would be wrong to assume that just because we get a mouse move
3764         // event that the mouse is inside the window: although this is usually
3765         // true, it is not if we had captured the mouse, so we need to check
3766         // the mouse coordinates here
3767         if ( !HasCapture() || IsMouseInWindow() )
3768         {
3769             // Generate an ENTER event
3770             m_mouseInWindow = TRUE;
3771
3772             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3773             InitMouseEvent(event, x, y, flags);
3774
3775             (void)GetEventHandler()->ProcessEvent(event);
3776         }
3777     }
3778
3779 #if wxUSE_MOUSEEVENT_HACK
3780     // Window gets a click down message followed by a mouse move message even
3781     // if position isn't changed!  We want to discard the trailing move event
3782     // if x and y are the same.
3783     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3784           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3785           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3786          (m_lastMouseX == x && m_lastMouseY == y) )
3787     {
3788         m_lastMouseEvent = wxEVT_MOTION;
3789
3790         return FALSE;
3791     }
3792 #endif // wxUSE_MOUSEEVENT_HACK
3793
3794     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3795 }
3796
3797
3798 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3799 {
3800 #if wxUSE_MOUSEWHEEL
3801     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3802     InitMouseEvent(event,
3803                    GET_X_LPARAM(lParam),
3804                    GET_Y_LPARAM(lParam),
3805                    LOWORD(wParam));
3806     event.m_wheelRotation = (short)HIWORD(wParam);
3807     event.m_wheelDelta = WHEEL_DELTA;
3808
3809 #ifdef __WIN32__
3810     static int s_linesPerRotation = -1;
3811     if ( s_linesPerRotation == -1 )
3812     {
3813         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3814                                      &s_linesPerRotation, 0))
3815         {
3816             // this is not supposed to happen
3817             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3818
3819             // the default is 3, so use it if SystemParametersInfo() failed
3820             s_linesPerRotation = 3;
3821         }
3822     }
3823 #else // Win16
3824     // no SystemParametersInfo() under Win16
3825     static const int s_linesPerRotation = 3;
3826 #endif
3827
3828     event.m_linesPerAction = s_linesPerRotation;
3829     return GetEventHandler()->ProcessEvent(event);
3830
3831 #else
3832     (void) wParam;
3833     (void) lParam;
3834
3835     return FALSE;
3836 #endif
3837 }
3838
3839
3840 // ---------------------------------------------------------------------------
3841 // keyboard handling
3842 // ---------------------------------------------------------------------------
3843
3844 // create the key event of the given type for the given key - used by
3845 // HandleChar and HandleKeyDown/Up
3846 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3847                                     int id,
3848                                     WXLPARAM lParam) const
3849 {
3850     wxKeyEvent event(evType);
3851     event.SetId(GetId());
3852     event.m_shiftDown = wxIsShiftDown();
3853     event.m_controlDown = wxIsCtrlDown();
3854     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3855
3856     event.m_eventObject = (wxWindow *)this; // const_cast
3857     event.m_keyCode = id;
3858     event.SetTimestamp(s_currentMsg.time);
3859
3860     // translate the position to client coords
3861     POINT pt;
3862     GetCursorPos(&pt);
3863     RECT rect;
3864     GetWindowRect(GetHwnd(),&rect);
3865     pt.x -= rect.left;
3866     pt.y -= rect.top;
3867
3868     event.m_x = pt.x;
3869     event.m_y = pt.y;
3870
3871     return event;
3872 }
3873
3874 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3875 // WM_KEYDOWN one
3876 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3877 {
3878     bool ctrlDown = FALSE;
3879
3880     int id;
3881     if ( isASCII )
3882     {
3883         // If 1 -> 26, translate to CTRL plus a letter.
3884         id = wParam;
3885         if ( (id > 0) && (id < 27) )
3886         {
3887             switch (id)
3888             {
3889                 case 13:
3890                     id = WXK_RETURN;
3891                     break;
3892
3893                 case 8:
3894                     id = WXK_BACK;
3895                     break;
3896
3897                 case 9:
3898                     id = WXK_TAB;
3899                     break;
3900
3901                 default:
3902                     ctrlDown = TRUE;
3903                     id = id + 96;
3904             }
3905         }
3906     }
3907     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3908     {
3909         // it's ASCII and will be processed here only when called from
3910         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3911         id = -1;
3912     }
3913
3914     if ( id != -1 )
3915     {
3916         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3917         if ( ctrlDown )
3918         {
3919             event.m_controlDown = TRUE;
3920         }
3921
3922         if ( GetEventHandler()->ProcessEvent(event) )
3923             return TRUE;
3924     }
3925
3926     return FALSE;
3927 }
3928
3929 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3930 {
3931     int id = wxCharCodeMSWToWX(wParam);
3932
3933     if ( !id )
3934     {
3935         // normal ASCII char
3936         id = wParam;
3937     }
3938
3939     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3940     {
3941         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3942         if ( GetEventHandler()->ProcessEvent(event) )
3943         {
3944             return TRUE;
3945         }
3946     }
3947
3948     return FALSE;
3949 }
3950
3951 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3952 {
3953     int id = wxCharCodeMSWToWX(wParam);
3954
3955     if ( !id )
3956     {
3957         // normal ASCII char
3958         id = wParam;
3959     }
3960
3961     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3962     {
3963         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3964         if ( GetEventHandler()->ProcessEvent(event) )
3965             return TRUE;
3966     }
3967
3968     return FALSE;
3969 }
3970
3971 // ---------------------------------------------------------------------------
3972 // joystick
3973 // ---------------------------------------------------------------------------
3974
3975 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3976 {
3977 #ifdef JOY_BUTTON1
3978     int change = 0;
3979     if ( flags & JOY_BUTTON1CHG )
3980         change = wxJOY_BUTTON1;
3981     if ( flags & JOY_BUTTON2CHG )
3982         change = wxJOY_BUTTON2;
3983     if ( flags & JOY_BUTTON3CHG )
3984         change = wxJOY_BUTTON3;
3985     if ( flags & JOY_BUTTON4CHG )
3986         change = wxJOY_BUTTON4;
3987
3988     int buttons = 0;
3989     if ( flags & JOY_BUTTON1 )
3990         buttons |= wxJOY_BUTTON1;
3991     if ( flags & JOY_BUTTON2 )
3992         buttons |= wxJOY_BUTTON2;
3993     if ( flags & JOY_BUTTON3 )
3994         buttons |= wxJOY_BUTTON3;
3995     if ( flags & JOY_BUTTON4 )
3996         buttons |= wxJOY_BUTTON4;
3997
3998     // the event ids aren't consecutive so we can't use table based lookup
3999     int joystick;
4000     wxEventType eventType;
4001     switch ( msg )
4002     {
4003         case MM_JOY1MOVE:
4004             joystick = 1;
4005             eventType = wxEVT_JOY_MOVE;
4006             break;
4007
4008         case MM_JOY2MOVE:
4009             joystick = 2;
4010             eventType = wxEVT_JOY_MOVE;
4011             break;
4012
4013         case MM_JOY1ZMOVE:
4014             joystick = 1;
4015             eventType = wxEVT_JOY_ZMOVE;
4016             break;
4017
4018         case MM_JOY2ZMOVE:
4019             joystick = 2;
4020             eventType = wxEVT_JOY_ZMOVE;
4021             break;
4022
4023         case MM_JOY1BUTTONDOWN:
4024             joystick = 1;
4025             eventType = wxEVT_JOY_BUTTON_DOWN;
4026             break;
4027
4028         case MM_JOY2BUTTONDOWN:
4029             joystick = 2;
4030             eventType = wxEVT_JOY_BUTTON_DOWN;
4031             break;
4032
4033         case MM_JOY1BUTTONUP:
4034             joystick = 1;
4035             eventType = wxEVT_JOY_BUTTON_UP;
4036             break;
4037
4038         case MM_JOY2BUTTONUP:
4039             joystick = 2;
4040             eventType = wxEVT_JOY_BUTTON_UP;
4041             break;
4042
4043         default:
4044             wxFAIL_MSG(wxT("no such joystick event"));
4045
4046             return FALSE;
4047     }
4048
4049     wxJoystickEvent event(eventType, buttons, joystick, change);
4050     event.SetPosition(wxPoint(x, y));
4051     event.SetEventObject(this);
4052
4053     return GetEventHandler()->ProcessEvent(event);
4054 #else
4055     return FALSE;
4056 #endif
4057 }
4058
4059 // ---------------------------------------------------------------------------
4060 // scrolling
4061 // ---------------------------------------------------------------------------
4062
4063 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
4064                            WXWORD pos, WXHWND control)
4065 {
4066     if ( control )
4067     {
4068         wxWindow *child = wxFindWinFromHandle(control);
4069         if ( child )
4070             return child->MSWOnScroll(orientation, wParam, pos, control);
4071     }
4072
4073     wxScrollWinEvent event;
4074     event.SetPosition(pos);
4075     event.SetOrientation(orientation);
4076     event.m_eventObject = this;
4077
4078     switch ( wParam )
4079     {
4080     case SB_TOP:
4081         event.m_eventType = wxEVT_SCROLLWIN_TOP;
4082         break;
4083
4084     case SB_BOTTOM:
4085         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
4086         break;
4087
4088     case SB_LINEUP:
4089         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
4090         break;
4091
4092     case SB_LINEDOWN:
4093         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
4094         break;
4095
4096     case SB_PAGEUP:
4097         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
4098         break;
4099
4100     case SB_PAGEDOWN:
4101         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
4102         break;
4103
4104     case SB_THUMBPOSITION:
4105     case SB_THUMBTRACK:
4106 #ifdef __WIN32__
4107         // under Win32, the scrollbar range and position are 32 bit integers,
4108         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
4109         // explicitly query the scrollbar for the correct position (this must
4110         // be done only for these two SB_ events as they are the only one
4111         // carrying the scrollbar position)
4112         {
4113             SCROLLINFO scrollInfo;
4114             wxZeroMemory(scrollInfo);
4115             scrollInfo.cbSize = sizeof(SCROLLINFO);
4116             scrollInfo.fMask = SIF_TRACKPOS;
4117
4118             if ( !::GetScrollInfo(GetHwnd(),
4119                                   orientation == wxHORIZONTAL ? SB_HORZ
4120                                                               : SB_VERT,
4121                                   &scrollInfo) )
4122             {
4123                 wxLogLastError(_T("GetScrollInfo"));
4124             }
4125
4126             event.SetPosition(scrollInfo.nTrackPos);
4127         }
4128 #endif // Win32
4129
4130         event.m_eventType = wParam == SB_THUMBPOSITION
4131                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
4132                                 : wxEVT_SCROLLWIN_THUMBTRACK;
4133         break;
4134
4135     default:
4136         return FALSE;
4137     }
4138
4139     return GetEventHandler()->ProcessEvent(event);
4140 }
4141
4142 // ===========================================================================
4143 // global functions
4144 // ===========================================================================
4145
4146 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
4147 {
4148     TEXTMETRIC tm;
4149     HDC dc = ::GetDC((HWND) wnd);
4150     HFONT fnt =0;
4151     HFONT was = 0;
4152     if ( the_font )
4153     {
4154         //    the_font->UseResource();
4155         //    the_font->RealizeResource();
4156         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4157         if ( fnt )
4158             was = (HFONT) SelectObject(dc,fnt);
4159     }
4160     GetTextMetrics(dc, &tm);
4161     if ( the_font && fnt && was )
4162     {
4163         SelectObject(dc,was);
4164     }
4165     ReleaseDC((HWND)wnd, dc);
4166
4167     if ( x )
4168         *x = tm.tmAveCharWidth;
4169     if ( y )
4170         *y = tm.tmHeight + tm.tmExternalLeading;
4171
4172     //  if ( the_font )
4173     //    the_font->ReleaseResource();
4174 }
4175
4176 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4177 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4178 int wxCharCodeMSWToWX(int keySym)
4179 {
4180     int id;
4181     switch (keySym)
4182     {
4183         case VK_CANCEL:     id = WXK_CANCEL; break;
4184         case VK_BACK:       id = WXK_BACK; break;
4185         case VK_TAB:        id = WXK_TAB; break;
4186         case VK_CLEAR:      id = WXK_CLEAR; break;
4187         case VK_RETURN:     id = WXK_RETURN; break;
4188         case VK_SHIFT:      id = WXK_SHIFT; break;
4189         case VK_CONTROL:    id = WXK_CONTROL; break;
4190         case VK_MENU :      id = WXK_MENU; break;
4191         case VK_PAUSE:      id = WXK_PAUSE; break;
4192         case VK_SPACE:      id = WXK_SPACE; break;
4193         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4194         case VK_PRIOR:      id = WXK_PRIOR; break;
4195         case VK_NEXT :      id = WXK_NEXT; break;
4196         case VK_END:        id = WXK_END; break;
4197         case VK_HOME :      id = WXK_HOME; break;
4198         case VK_LEFT :      id = WXK_LEFT; break;
4199         case VK_UP:         id = WXK_UP; break;
4200         case VK_RIGHT:      id = WXK_RIGHT; break;
4201         case VK_DOWN :      id = WXK_DOWN; break;
4202         case VK_SELECT:     id = WXK_SELECT; break;
4203         case VK_PRINT:      id = WXK_PRINT; break;
4204         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4205         case VK_INSERT:     id = WXK_INSERT; break;
4206         case VK_DELETE:     id = WXK_DELETE; break;
4207         case VK_HELP :      id = WXK_HELP; break;
4208         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4209         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4210         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4211         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4212         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4213         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4214         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4215         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4216         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4217         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4218         case VK_MULTIPLY:   id = WXK_NUMPAD_MULTIPLY; break;
4219         case VK_ADD:        id = WXK_NUMPAD_ADD; break;
4220         case VK_SUBTRACT:   id = WXK_NUMPAD_SUBTRACT; break;
4221         case VK_DECIMAL:    id = WXK_NUMPAD_DECIMAL; break;
4222         case VK_DIVIDE:     id = WXK_NUMPAD_DIVIDE; break;
4223         case VK_F1:         id = WXK_F1; break;
4224         case VK_F2:         id = WXK_F2; break;
4225         case VK_F3:         id = WXK_F3; break;
4226         case VK_F4:         id = WXK_F4; break;
4227         case VK_F5:         id = WXK_F5; break;
4228         case VK_F6:         id = WXK_F6; break;
4229         case VK_F7:         id = WXK_F7; break;
4230         case VK_F8:         id = WXK_F8; break;
4231         case VK_F9:         id = WXK_F9; break;
4232         case VK_F10:        id = WXK_F10; break;
4233         case VK_F11:        id = WXK_F11; break;
4234         case VK_F12:        id = WXK_F12; break;
4235         case VK_F13:        id = WXK_F13; break;
4236         case VK_F14:        id = WXK_F14; break;
4237         case VK_F15:        id = WXK_F15; break;
4238         case VK_F16:        id = WXK_F16; break;
4239         case VK_F17:        id = WXK_F17; break;
4240         case VK_F18:        id = WXK_F18; break;
4241         case VK_F19:        id = WXK_F19; break;
4242         case VK_F20:        id = WXK_F20; break;
4243         case VK_F21:        id = WXK_F21; break;
4244         case VK_F22:        id = WXK_F22; break;
4245         case VK_F23:        id = WXK_F23; break;
4246         case VK_F24:        id = WXK_F24; break;
4247         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4248         case VK_SCROLL:     id = WXK_SCROLL; break;
4249         default:
4250             id = 0;
4251     }
4252
4253     return id;
4254 }
4255
4256 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4257 {
4258     *isVirtual = TRUE;
4259     int keySym = 0;
4260     switch (id)
4261     {
4262     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4263     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4264     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4265     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4266     case WXK_MENU :     keySym = VK_MENU; break;
4267     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4268     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4269     case WXK_NEXT :     keySym = VK_NEXT; break;
4270     case WXK_END:       keySym = VK_END; break;
4271     case WXK_HOME :     keySym = VK_HOME; break;
4272     case WXK_LEFT :     keySym = VK_LEFT; break;
4273     case WXK_UP:        keySym = VK_UP; break;
4274     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4275     case WXK_DOWN :     keySym = VK_DOWN; break;
4276     case WXK_SELECT:    keySym = VK_SELECT; break;
4277     case WXK_PRINT:     keySym = VK_PRINT; break;
4278     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4279     case WXK_INSERT:    keySym = VK_INSERT; break;
4280     case WXK_DELETE:    keySym = VK_DELETE; break;
4281     case WXK_HELP :     keySym = VK_HELP; break;
4282     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4283     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4284     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4285     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4286     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4287     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4288     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4289     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4290     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4291     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4292     case WXK_NUMPAD_MULTIPLY:  keySym = VK_MULTIPLY; break;
4293     case WXK_NUMPAD_ADD:       keySym = VK_ADD; break;
4294     case WXK_NUMPAD_SUBTRACT:  keySym = VK_SUBTRACT; break;
4295     case WXK_NUMPAD_DECIMAL:   keySym = VK_DECIMAL; break;
4296     case WXK_NUMPAD_DIVIDE:    keySym = VK_DIVIDE; break;
4297     case WXK_F1:        keySym = VK_F1; break;
4298     case WXK_F2:        keySym = VK_F2; break;
4299     case WXK_F3:        keySym = VK_F3; break;
4300     case WXK_F4:        keySym = VK_F4; break;
4301     case WXK_F5:        keySym = VK_F5; break;
4302     case WXK_F6:        keySym = VK_F6; break;
4303     case WXK_F7:        keySym = VK_F7; break;
4304     case WXK_F8:        keySym = VK_F8; break;
4305     case WXK_F9:        keySym = VK_F9; break;
4306     case WXK_F10:       keySym = VK_F10; break;
4307     case WXK_F11:       keySym = VK_F11; break;
4308     case WXK_F12:       keySym = VK_F12; break;
4309     case WXK_F13:       keySym = VK_F13; break;
4310     case WXK_F14:       keySym = VK_F14; break;
4311     case WXK_F15:       keySym = VK_F15; break;
4312     case WXK_F16:       keySym = VK_F16; break;
4313     case WXK_F17:       keySym = VK_F17; break;
4314     case WXK_F18:       keySym = VK_F18; break;
4315     case WXK_F19:       keySym = VK_F19; break;
4316     case WXK_F20:       keySym = VK_F20; break;
4317     case WXK_F21:       keySym = VK_F21; break;
4318     case WXK_F22:       keySym = VK_F22; break;
4319     case WXK_F23:       keySym = VK_F23; break;
4320     case WXK_F24:       keySym = VK_F24; break;
4321     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4322     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4323     default:
4324         {
4325             *isVirtual = FALSE;
4326             keySym = id;
4327             break;
4328         }
4329     }
4330     return keySym;
4331 }
4332
4333 wxWindow *wxGetActiveWindow()
4334 {
4335     HWND hWnd = GetActiveWindow();
4336     if ( hWnd != 0 )
4337     {
4338         return wxFindWinFromHandle((WXHWND) hWnd);
4339     }
4340     return NULL;
4341 }
4342
4343 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4344 {
4345     HWND hwnd = (HWND)hWnd;
4346
4347     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4348     // by code in msw/radiobox.cpp), for all the others we just search up the
4349     // window hierarchy
4350     wxWindow *win = (wxWindow *)NULL;
4351     if ( hwnd )
4352     {
4353         win = wxFindWinFromHandle((WXHWND)hwnd);
4354         if ( !win )
4355         {
4356             // all these hacks only work under Win32 anyhow
4357 #ifdef __WIN32__
4358
4359 #if wxUSE_RADIOBOX
4360             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4361             // wxWindow class which overrides WM_GETDLGCODE processing to
4362             // do it as well, win would be already non NULL
4363             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4364             {
4365                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4366             }
4367             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4368 #endif // wxUSE_RADIOBOX
4369
4370             // spin control text buddy window should be mapped to spin ctrl
4371             // itself so try it too
4372 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4373             if ( !win )
4374             {
4375                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4376             }
4377 #endif // wxUSE_SPINCTRL
4378
4379 #endif // Win32
4380
4381             if ( !win )
4382             {
4383                 // hwnd is not a wxWindow, try its parent next below
4384                 hwnd = ::GetParent(hwnd);
4385             }
4386         }
4387     }
4388
4389     while ( hwnd && !win )
4390     {
4391         win = wxFindWinFromHandle((WXHWND)hwnd);
4392         hwnd = ::GetParent(hwnd);
4393     }
4394
4395     return win;
4396 }
4397
4398 #ifndef __WXMICROWIN__
4399
4400 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4401 // in active frames and dialogs, regardless of where the focus is.
4402 static HHOOK wxTheKeyboardHook = 0;
4403 static FARPROC wxTheKeyboardHookProc = 0;
4404 int APIENTRY _EXPORT
4405 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4406
4407 void wxSetKeyboardHook(bool doIt)
4408 {
4409     if ( doIt )
4410     {
4411         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4412         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4413
4414 #if defined(__WIN32__) && !defined(__TWIN32__)
4415             GetCurrentThreadId()
4416         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4417 #else
4418             GetCurrentTask()
4419 #endif
4420             );
4421     }
4422     else
4423     {
4424         UnhookWindowsHookEx(wxTheKeyboardHook);
4425
4426         // avoids warning about statement with no effect (FreeProcInstance
4427         // doesn't do anything under Win32)
4428 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4429         FreeProcInstance(wxTheKeyboardHookProc);
4430 #endif
4431     }
4432 }
4433
4434 int APIENTRY _EXPORT
4435 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4436 {
4437     DWORD hiWord = HIWORD(lParam);
4438     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4439     {
4440         int id = wxCharCodeMSWToWX(wParam);
4441         if ( id != 0 )
4442         {
4443             wxKeyEvent event(wxEVT_CHAR_HOOK);
4444             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4445                 event.m_altDown = TRUE;
4446
4447             event.m_eventObject = NULL;
4448             event.m_keyCode = id;
4449             event.m_shiftDown = wxIsShiftDown();
4450             event.m_controlDown = wxIsCtrlDown();
4451             event.SetTimestamp(s_currentMsg.time);
4452
4453             wxWindow *win = wxGetActiveWindow();
4454             wxEvtHandler *handler;
4455             if ( win )
4456             {
4457                 handler = win->GetEventHandler();
4458                 event.SetId(win->GetId());
4459             }
4460             else
4461             {
4462                 handler = wxTheApp;
4463                 event.SetId(-1);
4464             }
4465
4466             if ( handler && handler->ProcessEvent(event) )
4467             {
4468                 // processed
4469                 return 1;
4470             }
4471         }
4472     }
4473
4474     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4475 }
4476
4477 #endif // !__WXMICROWIN__
4478
4479 #ifdef __WXDEBUG__
4480 const char *wxGetMessageName(int message)
4481 {
4482     switch ( message )
4483     {
4484         case 0x0000: return "WM_NULL";
4485         case 0x0001: return "WM_CREATE";
4486         case 0x0002: return "WM_DESTROY";
4487         case 0x0003: return "WM_MOVE";
4488         case 0x0005: return "WM_SIZE";
4489         case 0x0006: return "WM_ACTIVATE";
4490         case 0x0007: return "WM_SETFOCUS";
4491         case 0x0008: return "WM_KILLFOCUS";
4492         case 0x000A: return "WM_ENABLE";
4493         case 0x000B: return "WM_SETREDRAW";
4494         case 0x000C: return "WM_SETTEXT";
4495         case 0x000D: return "WM_GETTEXT";
4496         case 0x000E: return "WM_GETTEXTLENGTH";
4497         case 0x000F: return "WM_PAINT";
4498         case 0x0010: return "WM_CLOSE";
4499         case 0x0011: return "WM_QUERYENDSESSION";
4500         case 0x0012: return "WM_QUIT";
4501         case 0x0013: return "WM_QUERYOPEN";
4502         case 0x0014: return "WM_ERASEBKGND";
4503         case 0x0015: return "WM_SYSCOLORCHANGE";
4504         case 0x0016: return "WM_ENDSESSION";
4505         case 0x0017: return "WM_SYSTEMERROR";
4506         case 0x0018: return "WM_SHOWWINDOW";
4507         case 0x0019: return "WM_CTLCOLOR";
4508         case 0x001A: return "WM_WININICHANGE";
4509         case 0x001B: return "WM_DEVMODECHANGE";
4510         case 0x001C: return "WM_ACTIVATEAPP";
4511         case 0x001D: return "WM_FONTCHANGE";
4512         case 0x001E: return "WM_TIMECHANGE";
4513         case 0x001F: return "WM_CANCELMODE";
4514         case 0x0020: return "WM_SETCURSOR";
4515         case 0x0021: return "WM_MOUSEACTIVATE";
4516         case 0x0022: return "WM_CHILDACTIVATE";
4517         case 0x0023: return "WM_QUEUESYNC";
4518         case 0x0024: return "WM_GETMINMAXINFO";
4519         case 0x0026: return "WM_PAINTICON";
4520         case 0x0027: return "WM_ICONERASEBKGND";
4521         case 0x0028: return "WM_NEXTDLGCTL";
4522         case 0x002A: return "WM_SPOOLERSTATUS";
4523         case 0x002B: return "WM_DRAWITEM";
4524         case 0x002C: return "WM_MEASUREITEM";
4525         case 0x002D: return "WM_DELETEITEM";
4526         case 0x002E: return "WM_VKEYTOITEM";
4527         case 0x002F: return "WM_CHARTOITEM";
4528         case 0x0030: return "WM_SETFONT";
4529         case 0x0031: return "WM_GETFONT";
4530         case 0x0037: return "WM_QUERYDRAGICON";
4531         case 0x0039: return "WM_COMPAREITEM";
4532         case 0x0041: return "WM_COMPACTING";
4533         case 0x0044: return "WM_COMMNOTIFY";
4534         case 0x0046: return "WM_WINDOWPOSCHANGING";
4535         case 0x0047: return "WM_WINDOWPOSCHANGED";
4536         case 0x0048: return "WM_POWER";
4537
4538 #ifdef  __WIN32__
4539         case 0x004A: return "WM_COPYDATA";
4540         case 0x004B: return "WM_CANCELJOURNAL";
4541         case 0x004E: return "WM_NOTIFY";
4542         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4543         case 0x0051: return "WM_INPUTLANGCHANGE";
4544         case 0x0052: return "WM_TCARD";
4545         case 0x0053: return "WM_HELP";
4546         case 0x0054: return "WM_USERCHANGED";
4547         case 0x0055: return "WM_NOTIFYFORMAT";
4548         case 0x007B: return "WM_CONTEXTMENU";
4549         case 0x007C: return "WM_STYLECHANGING";
4550         case 0x007D: return "WM_STYLECHANGED";
4551         case 0x007E: return "WM_DISPLAYCHANGE";
4552         case 0x007F: return "WM_GETICON";
4553         case 0x0080: return "WM_SETICON";
4554 #endif  //WIN32
4555
4556         case 0x0081: return "WM_NCCREATE";
4557         case 0x0082: return "WM_NCDESTROY";
4558         case 0x0083: return "WM_NCCALCSIZE";
4559         case 0x0084: return "WM_NCHITTEST";
4560         case 0x0085: return "WM_NCPAINT";
4561         case 0x0086: return "WM_NCACTIVATE";
4562         case 0x0087: return "WM_GETDLGCODE";
4563         case 0x00A0: return "WM_NCMOUSEMOVE";
4564         case 0x00A1: return "WM_NCLBUTTONDOWN";
4565         case 0x00A2: return "WM_NCLBUTTONUP";
4566         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4567         case 0x00A4: return "WM_NCRBUTTONDOWN";
4568         case 0x00A5: return "WM_NCRBUTTONUP";
4569         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4570         case 0x00A7: return "WM_NCMBUTTONDOWN";
4571         case 0x00A8: return "WM_NCMBUTTONUP";
4572         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4573         case 0x0100: return "WM_KEYDOWN";
4574         case 0x0101: return "WM_KEYUP";
4575         case 0x0102: return "WM_CHAR";
4576         case 0x0103: return "WM_DEADCHAR";
4577         case 0x0104: return "WM_SYSKEYDOWN";
4578         case 0x0105: return "WM_SYSKEYUP";
4579         case 0x0106: return "WM_SYSCHAR";
4580         case 0x0107: return "WM_SYSDEADCHAR";
4581         case 0x0108: return "WM_KEYLAST";
4582
4583 #ifdef  __WIN32__
4584         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4585         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4586         case 0x010F: return "WM_IME_COMPOSITION";
4587 #endif  //WIN32
4588
4589         case 0x0110: return "WM_INITDIALOG";
4590         case 0x0111: return "WM_COMMAND";
4591         case 0x0112: return "WM_SYSCOMMAND";
4592         case 0x0113: return "WM_TIMER";
4593         case 0x0114: return "WM_HSCROLL";
4594         case 0x0115: return "WM_VSCROLL";
4595         case 0x0116: return "WM_INITMENU";
4596         case 0x0117: return "WM_INITMENUPOPUP";
4597         case 0x011F: return "WM_MENUSELECT";
4598         case 0x0120: return "WM_MENUCHAR";
4599         case 0x0121: return "WM_ENTERIDLE";
4600         case 0x0200: return "WM_MOUSEMOVE";
4601         case 0x0201: return "WM_LBUTTONDOWN";
4602         case 0x0202: return "WM_LBUTTONUP";
4603         case 0x0203: return "WM_LBUTTONDBLCLK";
4604         case 0x0204: return "WM_RBUTTONDOWN";
4605         case 0x0205: return "WM_RBUTTONUP";
4606         case 0x0206: return "WM_RBUTTONDBLCLK";
4607         case 0x0207: return "WM_MBUTTONDOWN";
4608         case 0x0208: return "WM_MBUTTONUP";
4609         case 0x0209: return "WM_MBUTTONDBLCLK";
4610         case 0x020A: return "WM_MOUSEWHEEL";
4611         case 0x0210: return "WM_PARENTNOTIFY";
4612         case 0x0211: return "WM_ENTERMENULOOP";
4613         case 0x0212: return "WM_EXITMENULOOP";
4614
4615 #ifdef  __WIN32__
4616         case 0x0213: return "WM_NEXTMENU";
4617         case 0x0214: return "WM_SIZING";
4618         case 0x0215: return "WM_CAPTURECHANGED";
4619         case 0x0216: return "WM_MOVING";
4620         case 0x0218: return "WM_POWERBROADCAST";
4621         case 0x0219: return "WM_DEVICECHANGE";
4622 #endif  //WIN32
4623
4624         case 0x0220: return "WM_MDICREATE";
4625         case 0x0221: return "WM_MDIDESTROY";
4626         case 0x0222: return "WM_MDIACTIVATE";
4627         case 0x0223: return "WM_MDIRESTORE";
4628         case 0x0224: return "WM_MDINEXT";
4629         case 0x0225: return "WM_MDIMAXIMIZE";
4630         case 0x0226: return "WM_MDITILE";
4631         case 0x0227: return "WM_MDICASCADE";
4632         case 0x0228: return "WM_MDIICONARRANGE";
4633         case 0x0229: return "WM_MDIGETACTIVE";
4634         case 0x0230: return "WM_MDISETMENU";
4635         case 0x0233: return "WM_DROPFILES";
4636
4637 #ifdef  __WIN32__
4638         case 0x0281: return "WM_IME_SETCONTEXT";
4639         case 0x0282: return "WM_IME_NOTIFY";
4640         case 0x0283: return "WM_IME_CONTROL";
4641         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4642         case 0x0285: return "WM_IME_SELECT";
4643         case 0x0286: return "WM_IME_CHAR";
4644         case 0x0290: return "WM_IME_KEYDOWN";
4645         case 0x0291: return "WM_IME_KEYUP";
4646 #endif  //WIN32
4647
4648         case 0x0300: return "WM_CUT";
4649         case 0x0301: return "WM_COPY";
4650         case 0x0302: return "WM_PASTE";
4651         case 0x0303: return "WM_CLEAR";
4652         case 0x0304: return "WM_UNDO";
4653         case 0x0305: return "WM_RENDERFORMAT";
4654         case 0x0306: return "WM_RENDERALLFORMATS";
4655         case 0x0307: return "WM_DESTROYCLIPBOARD";
4656         case 0x0308: return "WM_DRAWCLIPBOARD";
4657         case 0x0309: return "WM_PAINTCLIPBOARD";
4658         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4659         case 0x030B: return "WM_SIZECLIPBOARD";
4660         case 0x030C: return "WM_ASKCBFORMATNAME";
4661         case 0x030D: return "WM_CHANGECBCHAIN";
4662         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4663         case 0x030F: return "WM_QUERYNEWPALETTE";
4664         case 0x0310: return "WM_PALETTEISCHANGING";
4665         case 0x0311: return "WM_PALETTECHANGED";
4666
4667 #ifdef __WIN32__
4668         // common controls messages - although they're not strictly speaking
4669         // standard, it's nice to decode them nevertheless
4670
4671         // listview
4672         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4673         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4674         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4675         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4676         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4677         case 0x1000 + 5: return "LVM_GETITEMA";
4678         case 0x1000 + 75: return "LVM_GETITEMW";
4679         case 0x1000 + 6: return "LVM_SETITEMA";
4680         case 0x1000 + 76: return "LVM_SETITEMW";
4681         case 0x1000 + 7: return "LVM_INSERTITEMA";
4682         case 0x1000 + 77: return "LVM_INSERTITEMW";
4683         case 0x1000 + 8: return "LVM_DELETEITEM";
4684         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4685         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4686         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4687         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4688         case 0x1000 + 13: return "LVM_FINDITEMA";
4689         case 0x1000 + 83: return "LVM_FINDITEMW";
4690         case 0x1000 + 14: return "LVM_GETITEMRECT";
4691         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4692         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4693         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4694         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4695         case 0x1000 + 18: return "LVM_HITTEST";
4696         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4697         case 0x1000 + 20: return "LVM_SCROLL";
4698         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4699         case 0x1000 + 22: return "LVM_ARRANGE";
4700         case 0x1000 + 23: return "LVM_EDITLABELA";
4701         case 0x1000 + 118: return "LVM_EDITLABELW";
4702         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4703         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4704         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4705         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4706         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4707         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4708         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4709         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4710         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4711         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4712         case 0x1000 + 31: return "LVM_GETHEADER";
4713         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4714         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4715         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4716         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4717         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4718         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4719         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4720         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4721         case 0x1000 + 41: return "LVM_GETORIGIN";
4722         case 0x1000 + 42: return "LVM_UPDATE";
4723         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4724         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4725         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4726         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4727         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4728         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4729         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4730         case 0x1000 + 48: return "LVM_SORTITEMS";
4731         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4732         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4733         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4734         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4735         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4736         case 0x1000 + 53: return "LVM_SETICONSPACING";
4737         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4738         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4739         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4740         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4741         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4742         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4743         case 0x1000 + 60: return "LVM_SETHOTITEM";
4744         case 0x1000 + 61: return "LVM_GETHOTITEM";
4745         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4746         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4747         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4748         case 0x1000 + 65: return "LVM_SETWORKAREA";
4749
4750         // tree view
4751         case 0x1100 + 0: return "TVM_INSERTITEMA";
4752         case 0x1100 + 50: return "TVM_INSERTITEMW";
4753         case 0x1100 + 1: return "TVM_DELETEITEM";
4754         case 0x1100 + 2: return "TVM_EXPAND";
4755         case 0x1100 + 4: return "TVM_GETITEMRECT";
4756         case 0x1100 + 5: return "TVM_GETCOUNT";
4757         case 0x1100 + 6: return "TVM_GETINDENT";
4758         case 0x1100 + 7: return "TVM_SETINDENT";
4759         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4760         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4761         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4762         case 0x1100 + 11: return "TVM_SELECTITEM";
4763         case 0x1100 + 12: return "TVM_GETITEMA";
4764         case 0x1100 + 62: return "TVM_GETITEMW";
4765         case 0x1100 + 13: return "TVM_SETITEMA";
4766         case 0x1100 + 63: return "TVM_SETITEMW";
4767         case 0x1100 + 14: return "TVM_EDITLABELA";
4768         case 0x1100 + 65: return "TVM_EDITLABELW";
4769         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4770         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4771         case 0x1100 + 17: return "TVM_HITTEST";
4772         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4773         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4774         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4775         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4776         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4777         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4778         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4779         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4780         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4781
4782         // header
4783         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4784         case 0x1200 + 1: return "HDM_INSERTITEMA";
4785         case 0x1200 + 10: return "HDM_INSERTITEMW";
4786         case 0x1200 + 2: return "HDM_DELETEITEM";
4787         case 0x1200 + 3: return "HDM_GETITEMA";
4788         case 0x1200 + 11: return "HDM_GETITEMW";
4789         case 0x1200 + 4: return "HDM_SETITEMA";
4790         case 0x1200 + 12: return "HDM_SETITEMW";
4791         case 0x1200 + 5: return "HDM_LAYOUT";
4792         case 0x1200 + 6: return "HDM_HITTEST";
4793         case 0x1200 + 7: return "HDM_GETITEMRECT";
4794         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4795         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4796         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4797         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4798         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4799         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4800         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4801
4802         // tab control
4803         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4804         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4805         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4806         case 0x1300 + 5: return "TCM_GETITEMA";
4807         case 0x1300 + 60: return "TCM_GETITEMW";
4808         case 0x1300 + 6: return "TCM_SETITEMA";
4809         case 0x1300 + 61: return "TCM_SETITEMW";
4810         case 0x1300 + 7: return "TCM_INSERTITEMA";
4811         case 0x1300 + 62: return "TCM_INSERTITEMW";
4812         case 0x1300 + 8: return "TCM_DELETEITEM";
4813         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4814         case 0x1300 + 10: return "TCM_GETITEMRECT";
4815         case 0x1300 + 11: return "TCM_GETCURSEL";
4816         case 0x1300 + 12: return "TCM_SETCURSEL";
4817         case 0x1300 + 13: return "TCM_HITTEST";
4818         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4819         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4820         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4821         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4822         case 0x1300 + 43: return "TCM_SETPADDING";
4823         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4824         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4825         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4826         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4827         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4828         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4829         case 0x1300 + 50: return "TCM_DESELECTALL";
4830
4831         // toolbar
4832         case WM_USER+1: return "TB_ENABLEBUTTON";
4833         case WM_USER+2: return "TB_CHECKBUTTON";
4834         case WM_USER+3: return "TB_PRESSBUTTON";
4835         case WM_USER+4: return "TB_HIDEBUTTON";
4836         case WM_USER+5: return "TB_INDETERMINATE";
4837         case WM_USER+9: return "TB_ISBUTTONENABLED";
4838         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4839         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4840         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4841         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4842         case WM_USER+17: return "TB_SETSTATE";
4843         case WM_USER+18: return "TB_GETSTATE";
4844         case WM_USER+19: return "TB_ADDBITMAP";
4845         case WM_USER+20: return "TB_ADDBUTTONS";
4846         case WM_USER+21: return "TB_INSERTBUTTON";
4847         case WM_USER+22: return "TB_DELETEBUTTON";
4848         case WM_USER+23: return "TB_GETBUTTON";
4849         case WM_USER+24: return "TB_BUTTONCOUNT";
4850         case WM_USER+25: return "TB_COMMANDTOINDEX";
4851         case WM_USER+26: return "TB_SAVERESTOREA";
4852         case WM_USER+76: return "TB_SAVERESTOREW";
4853         case WM_USER+27: return "TB_CUSTOMIZE";
4854         case WM_USER+28: return "TB_ADDSTRINGA";
4855         case WM_USER+77: return "TB_ADDSTRINGW";
4856         case WM_USER+29: return "TB_GETITEMRECT";
4857         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4858         case WM_USER+31: return "TB_SETBUTTONSIZE";
4859         case WM_USER+32: return "TB_SETBITMAPSIZE";
4860         case WM_USER+33: return "TB_AUTOSIZE";
4861         case WM_USER+35: return "TB_GETTOOLTIPS";
4862         case WM_USER+36: return "TB_SETTOOLTIPS";
4863         case WM_USER+37: return "TB_SETPARENT";
4864         case WM_USER+39: return "TB_SETROWS";
4865         case WM_USER+40: return "TB_GETROWS";
4866         case WM_USER+42: return "TB_SETCMDID";
4867         case WM_USER+43: return "TB_CHANGEBITMAP";
4868         case WM_USER+44: return "TB_GETBITMAP";
4869         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4870         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4871         case WM_USER+46: return "TB_REPLACEBITMAP";
4872         case WM_USER+47: return "TB_SETINDENT";
4873         case WM_USER+48: return "TB_SETIMAGELIST";
4874         case WM_USER+49: return "TB_GETIMAGELIST";
4875         case WM_USER+50: return "TB_LOADIMAGES";
4876         case WM_USER+51: return "TB_GETRECT";
4877         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4878         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4879         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4880         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4881         case WM_USER+56: return "TB_SETSTYLE";
4882         case WM_USER+57: return "TB_GETSTYLE";
4883         case WM_USER+58: return "TB_GETBUTTONSIZE";
4884         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4885         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4886         case WM_USER+61: return "TB_GETTEXTROWS";
4887         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4888
4889 #endif //WIN32
4890
4891         default:
4892             static char s_szBuf[128];
4893             sprintf(s_szBuf, "<unknown message = %d>", message);
4894             return s_szBuf;
4895     }
4896 }
4897 #endif //__WXDEBUG__
4898
4899 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4900                                      int *x, int *y, WPARAM *flags)
4901 {
4902     // construct the key mask
4903     WPARAM& fwKeys = *flags;
4904
4905     fwKeys = MK_RBUTTON;
4906     if ( wxIsCtrlDown() )
4907         fwKeys |= MK_CONTROL;
4908     if ( wxIsShiftDown() )
4909         fwKeys |= MK_SHIFT;
4910
4911     // simulate right mouse button click
4912     DWORD dwPos = ::GetMessagePos();
4913     *x = GET_X_LPARAM(dwPos);
4914     *y = GET_Y_LPARAM(dwPos);
4915
4916     win->ScreenToClient(x, y);
4917 }
4918
4919 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4920 {
4921     // prepare the DC
4922     TEXTMETRIC tm;
4923     HWND hwnd = GetHwndOf(win);
4924     HDC hdc = ::GetDC(hwnd);
4925
4926 #if !wxDIALOG_UNIT_COMPATIBILITY
4927     // and select the current font into it
4928     HFONT hfont = GetHfontOf(win->GetFont());
4929     if ( hfont )
4930     {
4931         hfont = (HFONT)::SelectObject(hdc, hfont);
4932     }
4933 #endif
4934
4935     // finally retrieve the text metrics from it
4936     GetTextMetrics(hdc, &tm);
4937
4938 #if !wxDIALOG_UNIT_COMPATIBILITY
4939     // and clean up
4940     if ( hfont )
4941     {
4942         (void)::SelectObject(hdc, hfont);
4943     }
4944 #endif
4945
4946     ::ReleaseDC(hwnd, hdc);
4947
4948     return tm;
4949 }
4950
4951 // Find the wxWindow at the current mouse position, returning the mouse
4952 // position.
4953 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4954 {
4955     return wxFindWindowAtPoint(wxGetMousePosition());
4956 }
4957
4958 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4959 {
4960     POINT pt2;
4961     pt2.x = pt.x;
4962     pt2.y = pt.y;
4963     HWND hWndHit = ::WindowFromPoint(pt2);
4964
4965     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4966     HWND hWnd = hWndHit;
4967
4968     // Try to find a window with a wxWindow associated with it
4969     while (!win && (hWnd != 0))
4970     {
4971         hWnd = ::GetParent(hWnd);
4972         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4973     }
4974     return win;
4975 }
4976
4977 // Get the current mouse position.
4978 wxPoint wxGetMousePosition()
4979 {
4980     POINT pt;
4981     GetCursorPos( & pt );
4982     return wxPoint(pt.x, pt.y);
4983 }
4984