src/msw/window.cpp

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