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