src/msw/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34     #include "wx/window.h"
  35     #include "wx/accel.h"
  36     #include "wx/setup.h"
  37     #include "wx/menu.h"
  38     #include "wx/dc.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/utils.h"
  41     #include "wx/app.h"
  42     #include "wx/panel.h"
  43     #include "wx/layout.h"
  44     #include "wx/dialog.h"
  45     #include "wx/frame.h"
  46     #include "wx/listbox.h"
  47     #include "wx/button.h"
  48     #include "wx/msgdlg.h"
  49
  50     #include <stdio.h>
  51 #endif
  52
  53 #if wxUSE_OWNER_DRAWN
  54     #include "wx/ownerdrw.h"
  55 #endif
  56
  57 #if wxUSE_DRAG_AND_DROP
  58     #include "wx/dnd.h"
  59 #endif
  60
  61 #include "wx/menuitem.h"
  62 #include "wx/log.h"
  63
  64 #include "wx/msw/private.h"
  65
  66 #if wxUSE_TOOLTIPS
  67     #include "wx/tooltip.h"
  68 #endif
  69
  70 #if wxUSE_CARET
  71     #include "wx/caret.h"
  72 #endif // wxUSE_CARET
  73
  74 #include "wx/intl.h"
  75 #include "wx/log.h"
  76
  77 #include "wx/textctrl.h"
  78 #include "wx/notebook.h"
  79
  80 #include <string.h>
  81
  82 #ifndef __GNUWIN32_OLD__
  83     #include <shellapi.h>
  84     #include <mmsystem.h>
  85 #endif
  86
  87 #ifdef __WIN32__
  88     #include <windowsx.h>
  89 #endif
  90
  91 #if !defined(__GNUWIN32_OLD__) && !defined(__TWIN32__)
  92     #ifdef __WIN95__
  93         #include <commctrl.h>
  94     #endif
  95 #else // broken compiler
  96     #ifndef __TWIN32__
  97         #include "wx/msw/gnuwin32/extra.h"
  98     #endif
  99 #endif
 100
 101 // This didn't appear in mingw until 2.95.2
 102 #ifndef SIF_TRACKPOS
 103 #define SIF_TRACKPOS 16
 104 #endif
 105
 106 // ---------------------------------------------------------------------------
 107 // global variables
 108 // ---------------------------------------------------------------------------
 109
 110 // the last Windows message we got (MT-UNSAFE)
 111 extern MSG s_currentMsg;
 112
 113 wxMenu *wxCurrentPopupMenu = NULL;
 114 extern wxList WXDLLEXPORT wxPendingDelete;
 115 extern const wxChar *wxCanvasClassName;
 116
 117 // ---------------------------------------------------------------------------
 118 // private functions
 119 // ---------------------------------------------------------------------------
 120
 121 // the window proc for all our windows
 122 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 123                                    WPARAM wParam, LPARAM lParam);
 124
 125 #ifdef  __WXDEBUG__
 126     const char *wxGetMessageName(int message);
 127 #endif  //__WXDEBUG__
 128
 129 void wxRemoveHandleAssociation(wxWindow *win);
 130 void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win);
 131 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 132
 133 // this magical function is used to translate VK_APPS key presses to right
 134 // mouse clicks
 135 static void TranslateKbdEventToMouse(wxWindow *win, int *x, int *y, WPARAM *flags);
 136
 137 // get the text metrics for the current font
 138 static TEXTMETRIC wxGetTextMetrics(const wxWindow *win);
 139
 140 // ---------------------------------------------------------------------------
 141 // event tables
 142 // ---------------------------------------------------------------------------
 143
 144 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 145
 146 BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
 147     EVT_ERASE_BACKGROUND(wxWindow::OnEraseBackground)
 148     EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
 149     EVT_INIT_DIALOG(wxWindow::OnInitDialog)
 150     EVT_IDLE(wxWindow::OnIdle)
 151     EVT_SET_FOCUS(wxWindow::OnSetFocus)
 152 END_EVENT_TABLE()
 153
 154 // ===========================================================================
 155 // implementation
 156 // ===========================================================================
 157
 158 // ---------------------------------------------------------------------------
 159 // wxWindow utility functions
 160 // ---------------------------------------------------------------------------
 161
 162 // Find an item given the MS Windows id
 163 wxWindow *wxWindow::FindItem(long id) const
 164 {
 165     wxControl *item = wxDynamicCast(this, wxControl);
 166     if ( item )
 167     {
 168         // i it we or one of our "internal" children?
 169         if ( item->GetId() == id ||
 170              (item->GetSubcontrols().Index(id) != wxNOT_FOUND) )
 171         {
 172             return item;
 173         }
 174     }
 175
 176     wxWindowList::Node *current = GetChildren().GetFirst();
 177     while (current)
 178     {
 179         wxWindow *childWin = current->GetData();
 180
 181         wxWindow *wnd = childWin->FindItem(id);
 182         if ( wnd )
 183             return wnd;
 184
 185         current = current->GetNext();
 186     }
 187
 188     return NULL;
 189 }
 190
 191 // Find an item given the MS Windows handle
 192 wxWindow *wxWindow::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 193 {
 194     wxWindowList::Node *current = GetChildren().GetFirst();
 195     while (current)
 196     {
 197         wxWindow *parent = current->GetData();
 198
 199         // Do a recursive search.
 200         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 201         if ( wnd )
 202             return wnd;
 203
 204         if ( !controlOnly || parent->IsKindOf(CLASSINFO(wxControl)) )
 205         {
 206             wxWindow *item = current->GetData();
 207             if ( item->GetHWND() == hWnd )
 208                 return item;
 209             else
 210             {
 211                 if ( item->ContainsHWND(hWnd) )
 212                     return item;
 213             }
 214         }
 215
 216         current = current->GetNext();
 217     }
 218     return NULL;
 219 }
 220
 221 // Default command handler
 222 bool wxWindow::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 223 {
 224     return FALSE;
 225 }
 226
 227 // ----------------------------------------------------------------------------
 228 // constructors and such
 229 // ----------------------------------------------------------------------------
 230
 231 void wxWindow::Init()
 232 {
 233     // generic
 234     InitBase();
 235
 236     // MSW specific
 237     m_doubleClickAllowed = 0;
 238     m_winCaptured = FALSE;
 239
 240     m_isBeingDeleted = FALSE;
 241     m_oldWndProc = 0;
 242     m_useCtl3D = FALSE;
 243     m_mouseInWindow = FALSE;
 244
 245     // wxWnd
 246     m_hMenu = 0;
 247
 248     m_hWnd = 0;
 249
 250     // pass WM_GETDLGCODE to DefWindowProc()
 251     m_lDlgCode = 0;
 252
 253     m_xThumbSize = 0;
 254     m_yThumbSize = 0;
 255     m_backgroundTransparent = FALSE;
 256
 257     // as all windows are created with WS_VISIBLE style...
 258     m_isShown = TRUE;
 259
 260 #if wxUSE_MOUSEEVENT_HACK
 261     m_lastMouseX =
 262     m_lastMouseY = -1;
 263     m_lastMouseEvent = -1;
 264 #endif // wxUSE_MOUSEEVENT_HACK
 265 }
 266
 267 // Destructor
 268 wxWindow::~wxWindow()
 269 {
 270     m_isBeingDeleted = TRUE;
 271
 272     MSWDetachWindowMenu();
 273
 274     if ( m_parent )
 275         m_parent->RemoveChild(this);
 276
 277     DestroyChildren();
 278
 279     if ( m_hWnd )
 280     {
 281         // VZ: test temp removed to understand what really happens here
 282         //if (::IsWindow(GetHwnd()))
 283         {
 284             if ( !::DestroyWindow(GetHwnd()) )
 285                 wxLogLastError(wxT("DestroyWindow"));
 286         }
 287
 288         // remove hWnd <-> wxWindow association
 289         wxRemoveHandleAssociation(this);
 290     }
 291 }
 292
 293 // real construction (Init() must have been called before!)
 294 bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 295                       const wxPoint& pos,
 296                       const wxSize& size,
 297                       long style,
 298                       const wxString& name)
 299 {
 300     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 301
 302     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 303         return FALSE;
 304
 305     parent->AddChild(this);
 306
 307     DWORD msflags = 0;
 308     if ( style & wxBORDER )
 309         msflags |= WS_BORDER;
 310 /* Not appropriate for non-frame/dialog windows, and
 311    may clash with other window styles.
 312     if ( style & wxTHICK_FRAME )
 313         msflags |= WS_THICKFRAME;
 314 */
 315     //msflags |= WS_CHILD /* | WS_CLIPSIBLINGS */  | WS_VISIBLE;
 316     msflags |= WS_CHILD | WS_VISIBLE;
 317     if ( style & wxCLIP_CHILDREN )
 318         msflags |= WS_CLIPCHILDREN;
 319     if ( style & wxCLIP_SIBLINGS )
 320         msflags |= WS_CLIPSIBLINGS;
 321
 322     bool want3D;
 323     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 324
 325     // Even with extended styles, need to combine with WS_BORDER
 326     // for them to look right.
 327     if ( want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
 328         (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
 329     {
 330         msflags |= WS_BORDER;
 331     }
 332
 333     // calculate the value to return from WM_GETDLGCODE handler
 334     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 335     {
 336         // want everything: i.e. all keys and WM_CHAR message
 337         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 338                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 339     }
 340
 341     MSWCreate(m_windowId, parent, wxCanvasClassName, this, NULL,
 342               pos.x, pos.y,
 343               WidthDefault(size.x), HeightDefault(size.y),
 344               msflags, NULL, exStyle);
 345
 346     return TRUE;
 347 }
 348
 349 // ---------------------------------------------------------------------------
 350 // basic operations
 351 // ---------------------------------------------------------------------------
 352
 353 void wxWindow::SetFocus()
 354 {
 355     HWND hWnd = GetHwnd();
 356     if ( hWnd )
 357         ::SetFocus(hWnd);
 358 }
 359
 360 // Get the window with the focus
 361 wxWindow *wxWindowBase::FindFocus()
 362 {
 363     HWND hWnd = ::GetFocus();
 364     if ( hWnd )
 365     {
 366         return wxFindWinFromHandle((WXHWND) hWnd);
 367     }
 368
 369     return NULL;
 370 }
 371
 372 bool wxWindow::Enable(bool enable)
 373 {
 374     if ( !wxWindowBase::Enable(enable) )
 375         return FALSE;
 376
 377     HWND hWnd = GetHwnd();
 378     if ( hWnd )
 379         ::EnableWindow(hWnd, (BOOL)enable);
 380
 381     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 382     //     disabled controls and disable it - you really wouldn't like the
 383     //     disabled controls eb reenabled too when you reenable the dialog!
 384 #if 0
 385     wxWindowList::Node *node = GetChildren().GetFirst();
 386     while ( node )
 387     {
 388         wxWindow *child = node->GetData();
 389         child->Enable(enable);
 390
 391         node = node->GetNext();
 392     }
 393 #endif // 0
 394
 395     return TRUE;
 396 }
 397
 398 bool wxWindow::Show(bool show)
 399 {
 400     if ( !wxWindowBase::Show(show) )
 401         return FALSE;
 402
 403     HWND hWnd = GetHwnd();
 404     int cshow = show ? SW_SHOW : SW_HIDE;
 405     ::ShowWindow(hWnd, cshow);
 406
 407     if ( show )
 408     {
 409         BringWindowToTop(hWnd);
 410     }
 411
 412     return TRUE;
 413 }
 414
 415 // Raise the window to the top of the Z order
 416 void wxWindow::Raise()
 417 {
 418     ::BringWindowToTop(GetHwnd());
 419 }
 420
 421 // Lower the window to the bottom of the Z order
 422 void wxWindow::Lower()
 423 {
 424     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 425                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 426 }
 427
 428 void wxWindow::SetTitle( const wxString& title)
 429 {
 430     SetWindowText(GetHwnd(), title.c_str());
 431 }
 432
 433 wxString wxWindow::GetTitle() const
 434 {
 435     return wxGetWindowText(GetHWND());
 436 }
 437
 438 void wxWindow::CaptureMouse()
 439 {
 440     HWND hWnd = GetHwnd();
 441     if ( hWnd && !m_winCaptured )
 442     {
 443         SetCapture(hWnd);
 444         m_winCaptured = TRUE;
 445     }
 446 }
 447
 448 void wxWindow::ReleaseMouse()
 449 {
 450     if ( m_winCaptured )
 451     {
 452         ReleaseCapture();
 453         m_winCaptured = FALSE;
 454     }
 455 }
 456
 457 bool wxWindow::SetFont(const wxFont& font)
 458 {
 459     if ( !wxWindowBase::SetFont(font) )
 460     {
 461         // nothing to do
 462         return FALSE;
 463     }
 464
 465     HWND hWnd = GetHwnd();
 466     if ( hWnd != 0 )
 467     {
 468         WXHANDLE hFont = m_font.GetResourceHandle();
 469
 470         wxASSERT_MSG( hFont, wxT("should have valid font") );
 471
 472         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 473     }
 474
 475     return TRUE;
 476 }
 477 bool wxWindow::SetCursor(const wxCursor& cursor)
 478 {
 479     if ( !wxWindowBase::SetCursor(cursor) )
 480     {
 481         // no change
 482         return FALSE;
 483     }
 484
 485     if ( m_cursor.Ok() )
 486     {
 487         HWND hWnd = GetHwnd();
 488
 489         // Change the cursor NOW if we're within the correct window
 490         POINT point;
 491         ::GetCursorPos(&point);
 492
 493         RECT rect;
 494         ::GetWindowRect(hWnd, &rect);
 495
 496         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 497             ::SetCursor(GetHcursorOf(m_cursor));
 498     }
 499
 500     return TRUE;
 501 }
 502
 503 void wxWindow::WarpPointer (int x_pos, int y_pos)
 504 {
 505     // Move the pointer to (x_pos,y_pos) coordinates. They are expressed in
 506     // pixel coordinates, relatives to the canvas -- So, we first need to
 507     // substract origin of the window, then convert to screen position
 508
 509     int x = x_pos; int y = y_pos;
 510     RECT rect;
 511     GetWindowRect (GetHwnd(), &rect);
 512
 513     x += rect.left;
 514     y += rect.top;
 515
 516     SetCursorPos (x, y);
 517 }
 518
 519 #if WXWIN_COMPATIBILITY
 520 void wxWindow::MSWDeviceToLogical (float *x, float *y) const
 521 {
 522 }
 523 #endif // WXWIN_COMPATIBILITY
 524
 525 // ---------------------------------------------------------------------------
 526 // scrolling stuff
 527 // ---------------------------------------------------------------------------
 528
 529 #if WXWIN_COMPATIBILITY
 530 void wxWindow::SetScrollRange(int orient, int range, bool refresh)
 531 {
 532 #if defined(__WIN95__)
 533
 534     int range1 = range;
 535
 536     // Try to adjust the range to cope with page size > 1
 537     // - a Windows API quirk
 538     int pageSize = GetScrollPage(orient);
 539     if ( pageSize > 1 && range > 0)
 540     {
 541         range1 += (pageSize - 1);
 542     }
 543
 544     SCROLLINFO info;
 545     int dir;
 546
 547     if ( orient == wxHORIZONTAL ) {
 548         dir = SB_HORZ;
 549     } else {
 550         dir = SB_VERT;
 551     }
 552
 553     info.cbSize = sizeof(SCROLLINFO);
 554     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 555     info.nMin = 0;
 556     info.nMax = range1;
 557     info.nPos = 0;
 558     info.fMask = SIF_RANGE | SIF_PAGE;
 559
 560     HWND hWnd = GetHwnd();
 561     if ( hWnd )
 562         ::SetScrollInfo(hWnd, dir, &info, refresh);
 563 #else
 564     int wOrient;
 565     if ( orient == wxHORIZONTAL )
 566         wOrient = SB_HORZ;
 567     else
 568         wOrient = SB_VERT;
 569
 570     HWND hWnd = GetHwnd();
 571     if ( hWnd )
 572         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 573 #endif
 574 }
 575
 576 void wxWindow::SetScrollPage(int orient, int page, bool refresh)
 577 {
 578 #if defined(__WIN95__)
 579     SCROLLINFO info;
 580     int dir;
 581
 582     if ( orient == wxHORIZONTAL ) {
 583         dir = SB_HORZ;
 584         m_xThumbSize = page;
 585     } else {
 586         dir = SB_VERT;
 587         m_yThumbSize = page;
 588     }
 589
 590     info.cbSize = sizeof(SCROLLINFO);
 591     info.nPage = page;
 592     info.nMin = 0;
 593     info.fMask = SIF_PAGE;
 594
 595     HWND hWnd = GetHwnd();
 596     if ( hWnd )
 597         ::SetScrollInfo(hWnd, dir, &info, refresh);
 598 #else
 599     if ( orient == wxHORIZONTAL )
 600         m_xThumbSize = page;
 601     else
 602         m_yThumbSize = page;
 603 #endif
 604 }
 605
 606 int wxWindow::OldGetScrollRange(int orient) const
 607 {
 608     int wOrient;
 609     if ( orient == wxHORIZONTAL )
 610         wOrient = SB_HORZ;
 611     else
 612         wOrient = SB_VERT;
 613
 614 #if __WATCOMC__ && defined(__WINDOWS_386__)
 615     short minPos, maxPos;
 616 #else
 617     int minPos, maxPos;
 618 #endif
 619     HWND hWnd = GetHwnd();
 620     if ( hWnd )
 621     {
 622         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 623 #if defined(__WIN95__)
 624         // Try to adjust the range to cope with page size > 1
 625         // - a Windows API quirk
 626         int pageSize = GetScrollPage(orient);
 627         if ( pageSize > 1 )
 628         {
 629             maxPos -= (pageSize - 1);
 630         }
 631 #endif
 632         return maxPos;
 633     }
 634     else
 635         return 0;
 636 }
 637
 638 int wxWindow::GetScrollPage(int orient) const
 639 {
 640     if ( orient == wxHORIZONTAL )
 641         return m_xThumbSize;
 642     else
 643         return m_yThumbSize;
 644 }
 645
 646 #endif // WXWIN_COMPATIBILITY
 647
 648 int wxWindow::GetScrollPos(int orient) const
 649 {
 650     int wOrient;
 651     if ( orient == wxHORIZONTAL )
 652         wOrient = SB_HORZ;
 653     else
 654         wOrient = SB_VERT;
 655     HWND hWnd = GetHwnd();
 656     if ( hWnd )
 657     {
 658         return ::GetScrollPos(hWnd, wOrient);
 659     }
 660     else
 661         return 0;
 662 }
 663
 664 // This now returns the whole range, not just the number
 665 // of positions that we can scroll.
 666 int wxWindow::GetScrollRange(int orient) const
 667 {
 668     int wOrient;
 669     if ( orient == wxHORIZONTAL )
 670         wOrient = SB_HORZ;
 671     else
 672         wOrient = SB_VERT;
 673
 674 #if __WATCOMC__ && defined(__WINDOWS_386__)
 675     short minPos, maxPos;
 676 #else
 677     int minPos, maxPos;
 678 #endif
 679     HWND hWnd = GetHwnd();
 680     if ( hWnd )
 681     {
 682         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 683 #if defined(__WIN95__)
 684         // Try to adjust the range to cope with page size > 1
 685         // - a Windows API quirk
 686         int pageSize = GetScrollThumb(orient);
 687         if ( pageSize > 1 )
 688         {
 689             maxPos -= (pageSize - 1);
 690         }
 691         // October 10th: new range concept.
 692         maxPos += pageSize;
 693 #endif
 694
 695         return maxPos;
 696     }
 697     else
 698         return 0;
 699 }
 700
 701 int wxWindow::GetScrollThumb(int orient) const
 702 {
 703     if ( orient == wxHORIZONTAL )
 704         return m_xThumbSize;
 705     else
 706         return m_yThumbSize;
 707 }
 708
 709 void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
 710 {
 711 #if defined(__WIN95__)
 712     SCROLLINFO info;
 713     int dir;
 714
 715     if ( orient == wxHORIZONTAL ) {
 716         dir = SB_HORZ;
 717     } else {
 718         dir = SB_VERT;
 719     }
 720
 721     info.cbSize = sizeof(SCROLLINFO);
 722     info.nPage = 0;
 723     info.nMin = 0;
 724     info.nPos = pos;
 725     info.fMask = SIF_POS;
 726
 727     HWND hWnd = GetHwnd();
 728     if ( hWnd )
 729         ::SetScrollInfo(hWnd, dir, &info, refresh);
 730 #else
 731     int wOrient;
 732     if ( orient == wxHORIZONTAL )
 733         wOrient = SB_HORZ;
 734     else
 735         wOrient = SB_VERT;
 736
 737     HWND hWnd = GetHwnd();
 738     if ( hWnd )
 739         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 740 #endif
 741 }
 742
 743 // New function that will replace some of the above.
 744 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 745                             int range, bool refresh)
 746 {
 747 #if defined(__WIN95__)
 748     int oldRange = range - thumbVisible;
 749
 750     int range1 = oldRange;
 751
 752     // Try to adjust the range to cope with page size > 1
 753     // - a Windows API quirk
 754     int pageSize = thumbVisible;
 755     if ( pageSize > 1 && range > 0)
 756     {
 757         range1 += (pageSize - 1);
 758     }
 759
 760     SCROLLINFO info;
 761     int dir;
 762
 763     if ( orient == wxHORIZONTAL ) {
 764         dir = SB_HORZ;
 765     } else {
 766         dir = SB_VERT;
 767     }
 768
 769     info.cbSize = sizeof(SCROLLINFO);
 770     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 771     info.nMin = 0;
 772     info.nMax = range1;
 773     info.nPos = pos;
 774     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 775
 776     HWND hWnd = GetHwnd();
 777     if ( hWnd )
 778         ::SetScrollInfo(hWnd, dir, &info, refresh);
 779 #else
 780     int wOrient;
 781     if ( orient == wxHORIZONTAL )
 782         wOrient = SB_HORZ;
 783     else
 784         wOrient = SB_VERT;
 785
 786     HWND hWnd = GetHwnd();
 787     if ( hWnd )
 788     {
 789         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 790         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 791     }
 792 #endif
 793     if ( orient == wxHORIZONTAL ) {
 794         m_xThumbSize = thumbVisible;
 795     } else {
 796         m_yThumbSize = thumbVisible;
 797     }
 798 }
 799
 800 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 801 {
 802     RECT rect2;
 803     if ( rect )
 804     {
 805         rect2.left = rect->x;
 806         rect2.top = rect->y;
 807         rect2.right = rect->x + rect->width;
 808         rect2.bottom = rect->y + rect->height;
 809     }
 810
 811     if ( rect )
 812         ::ScrollWindow(GetHwnd(), dx, dy, &rect2, NULL);
 813     else
 814         ::ScrollWindow(GetHwnd(), dx, dy, NULL, NULL);
 815 }
 816
 817 // ---------------------------------------------------------------------------
 818 // subclassing
 819 // ---------------------------------------------------------------------------
 820
 821 void wxWindow::SubclassWin(WXHWND hWnd)
 822 {
 823     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 824
 825     HWND hwnd = (HWND)hWnd;
 826     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 827
 828     wxAssociateWinWithHandle(hwnd, this);
 829
 830     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 831     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 832 }
 833
 834 void wxWindow::UnsubclassWin()
 835 {
 836     wxRemoveHandleAssociation(this);
 837
 838     // Restore old Window proc
 839     HWND hwnd = GetHwnd();
 840     if ( hwnd )
 841     {
 842         m_hWnd = 0;
 843
 844         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
 845
 846         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 847         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
 848         {
 849             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
 850             m_oldWndProc = 0;
 851         }
 852     }
 853 }
 854
 855 // Make a Windows extended style from the given wxWindows window style
 856 WXDWORD wxWindow::MakeExtendedStyle(long style, bool eliminateBorders)
 857 {
 858     WXDWORD exStyle = 0;
 859     if ( style & wxTRANSPARENT_WINDOW )
 860         exStyle |= WS_EX_TRANSPARENT;
 861
 862     if ( !eliminateBorders )
 863     {
 864         if ( style & wxSUNKEN_BORDER )
 865             exStyle |= WS_EX_CLIENTEDGE;
 866         if ( style & wxDOUBLE_BORDER )
 867             exStyle |= WS_EX_DLGMODALFRAME;
 868 #if defined(__WIN95__)
 869         if ( style & wxRAISED_BORDER )
 870             exStyle |= WS_EX_WINDOWEDGE;
 871         if ( style & wxSTATIC_BORDER )
 872             exStyle |= WS_EX_STATICEDGE;
 873 #endif
 874     }
 875     return exStyle;
 876 }
 877
 878 // Determines whether native 3D effects or CTL3D should be used,
 879 // applying a default border style if required, and returning an extended
 880 // style to pass to CreateWindowEx.
 881 WXDWORD wxWindow::Determine3DEffects(WXDWORD defaultBorderStyle,
 882                                      bool *want3D) const
 883 {
 884     // If matches certain criteria, then assume no 3D effects
 885     // unless specifically requested (dealt with in MakeExtendedStyle)
 886     if ( !GetParent() || !IsKindOf(CLASSINFO(wxControl)) || (m_windowStyle & wxNO_BORDER) )
 887     {
 888         *want3D = FALSE;
 889         return MakeExtendedStyle(m_windowStyle, FALSE);
 890     }
 891
 892     // Determine whether we should be using 3D effects or not.
 893     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
 894
 895     // 1) App can specify global 3D effects
 896     *want3D = wxTheApp->GetAuto3D();
 897
 898     // 2) If the parent is being drawn with user colours, or simple border specified,
 899     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
 900     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
 901         *want3D = FALSE;
 902
 903     // 3) Control can override this global setting by defining
 904     // a border style, e.g. wxSUNKEN_BORDER
 905     if ( m_windowStyle & wxSUNKEN_BORDER  )
 906         *want3D = TRUE;
 907
 908     // 4) If it's a special border, CTL3D can't cope so we want a native border
 909     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
 910         (m_windowStyle & wxSTATIC_BORDER) )
 911     {
 912         *want3D = TRUE;
 913         nativeBorder = TRUE;
 914     }
 915
 916     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
 917     // effects from extended style
 918 #if wxUSE_CTL3D
 919     if ( *want3D )
 920         nativeBorder = FALSE;
 921 #endif
 922
 923     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
 924
 925     // If we want 3D, but haven't specified a border here,
 926     // apply the default border style specified.
 927     // TODO what about non-Win95 WIN32? Does it have borders?
 928 #if defined(__WIN95__) && !wxUSE_CTL3D
 929     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
 930         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
 931         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
 932 #endif
 933
 934     return exStyle;
 935 }
 936
 937 #if WXWIN_COMPATIBILITY
 938 // If nothing defined for this, try the parent.
 939 // E.g. we may be a button loaded from a resource, with no callback function
 940 // defined.
 941 void wxWindow::OnCommand(wxWindow& win, wxCommandEvent& event)
 942 {
 943     if ( GetEventHandler()->ProcessEvent(event)  )
 944         return;
 945     if ( m_parent )
 946         m_parent->GetEventHandler()->OnCommand(win, event);
 947 }
 948 #endif // WXWIN_COMPATIBILITY_2
 949
 950 #if WXWIN_COMPATIBILITY
 951 wxObject* wxWindow::GetChild(int number) const
 952 {
 953     // Return a pointer to the Nth object in the Panel
 954     wxNode *node = GetChildren().First();
 955     int n = number;
 956     while (node && n--)
 957         node = node->Next();
 958     if ( node )
 959     {
 960         wxObject *obj = (wxObject *)node->Data();
 961         return(obj);
 962     }
 963     else
 964         return NULL;
 965 }
 966 #endif // WXWIN_COMPATIBILITY
 967
 968 // Setup background and foreground colours correctly
 969 void wxWindow::SetupColours()
 970 {
 971     if ( GetParent() )
 972         SetBackgroundColour(GetParent()->GetBackgroundColour());
 973 }
 974
 975 void wxWindow::OnIdle(wxIdleEvent& event)
 976 {
 977     // Check if we need to send a LEAVE event
 978     if ( m_mouseInWindow )
 979     {
 980         POINT pt;
 981         ::GetCursorPos(&pt);
 982         if ( ::WindowFromPoint(pt) != GetHwnd() )
 983         {
 984             // Generate a LEAVE event
 985             m_mouseInWindow = FALSE;
 986
 987             // Unfortunately the mouse button and keyboard state may have changed
 988             // by the time the OnIdle function is called, so 'state' may be
 989             // meaningless.
 990             int state = 0;
 991             if ( wxIsShiftDown() )
 992                 state |= MK_SHIFT;
 993             if ( wxIsCtrlDown() )
 994                 state |= MK_CONTROL;
 995             if ( GetKeyState( VK_LBUTTON ) )
 996                 state |= MK_LBUTTON;
 997             if ( GetKeyState( VK_MBUTTON ) )
 998                 state |= MK_MBUTTON;
 999             if ( GetKeyState( VK_RBUTTON ) )
1000                 state |= MK_RBUTTON;
1001
1002             wxMouseEvent event(wxEVT_LEAVE_WINDOW);
1003             InitMouseEvent(event, pt.x, pt.y, state);
1004
1005             (void)GetEventHandler()->ProcessEvent(event);
1006         }
1007     }
1008
1009     UpdateWindowUI();
1010 }
1011
1012 // Set this window to be the child of 'parent'.
1013 bool wxWindow::Reparent(wxWindow *parent)
1014 {
1015     if ( !wxWindowBase::Reparent(parent) )
1016         return FALSE;
1017
1018     HWND hWndChild = GetHwnd();
1019     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1020
1021     ::SetParent(hWndChild, hWndParent);
1022
1023     return TRUE;
1024 }
1025
1026 void wxWindow::Clear()
1027 {
1028     wxClientDC dc(this);
1029     wxBrush brush(GetBackgroundColour(), wxSOLID);
1030     dc.SetBackground(brush);
1031     dc.Clear();
1032 }
1033
1034 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
1035 {
1036     HWND hWnd = GetHwnd();
1037     if ( hWnd )
1038     {
1039         if ( rect )
1040         {
1041             RECT mswRect;
1042             mswRect.left = rect->x;
1043             mswRect.top = rect->y;
1044             mswRect.right = rect->x + rect->width;
1045             mswRect.bottom = rect->y + rect->height;
1046
1047             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1048         }
1049         else
1050             ::InvalidateRect(hWnd, NULL, eraseBack);
1051     }
1052 }
1053
1054 // ---------------------------------------------------------------------------
1055 // drag and drop
1056 // ---------------------------------------------------------------------------
1057
1058 #if wxUSE_DRAG_AND_DROP
1059
1060 void wxWindow::SetDropTarget(wxDropTarget *pDropTarget)
1061 {
1062     if ( m_dropTarget != 0 ) {
1063         m_dropTarget->Revoke(m_hWnd);
1064         delete m_dropTarget;
1065     }
1066
1067     m_dropTarget = pDropTarget;
1068     if ( m_dropTarget != 0 )
1069         m_dropTarget->Register(m_hWnd);
1070 }
1071
1072 #endif // wxUSE_DRAG_AND_DROP
1073
1074 // old style file-manager drag&drop support: we retain the old-style
1075 // DragAcceptFiles in parallel with SetDropTarget.
1076 void wxWindow::DragAcceptFiles(bool accept)
1077 {
1078     HWND hWnd = GetHwnd();
1079     if ( hWnd )
1080         ::DragAcceptFiles(hWnd, (BOOL)accept);
1081 }
1082
1083 // ----------------------------------------------------------------------------
1084 // tooltips
1085 // ----------------------------------------------------------------------------
1086
1087 #if wxUSE_TOOLTIPS
1088
1089 void wxWindow::DoSetToolTip(wxToolTip *tooltip)
1090 {
1091     wxWindowBase::DoSetToolTip(tooltip);
1092
1093     if ( m_tooltip )
1094         m_tooltip->SetWindow(this);
1095 }
1096
1097 #endif // wxUSE_TOOLTIPS
1098
1099 // ---------------------------------------------------------------------------
1100 // moving and resizing
1101 // ---------------------------------------------------------------------------
1102
1103 // Get total size
1104 void wxWindow::DoGetSize(int *x, int *y) const
1105 {
1106     HWND hWnd = GetHwnd();
1107     RECT rect;
1108 #ifdef __WIN16__
1109     ::GetWindowRect(hWnd, &rect);
1110 #else
1111     if ( !::GetWindowRect(hWnd, &rect) )
1112     {
1113         wxLogLastError(_T("GetWindowRect"));
1114     }
1115 #endif
1116     if ( x )
1117         *x = rect.right - rect.left;
1118     if ( y )
1119         *y = rect.bottom - rect.top;
1120 }
1121
1122 void wxWindow::DoGetPosition(int *x, int *y) const
1123 {
1124     HWND hWnd = GetHwnd();
1125
1126     RECT rect;
1127     GetWindowRect(hWnd, &rect);
1128
1129     POINT point;
1130     point.x = rect.left;
1131     point.y = rect.top;
1132
1133     // we do the adjustments with respect to the parent only for the "real"
1134     // children, not for the dialogs/frames
1135     if ( !IsTopLevel() )
1136     {
1137         HWND hParentWnd = 0;
1138         wxWindow *parent = GetParent();
1139         if ( parent )
1140             hParentWnd = GetWinHwnd(parent);
1141
1142         // Since we now have the absolute screen coords, if there's a parent we
1143         // must subtract its top left corner
1144         if ( hParentWnd )
1145         {
1146             ::ScreenToClient(hParentWnd, &point);
1147         }
1148
1149         // We may be faking the client origin. So a window that's really at (0,
1150         // 30) may appear (to wxWin apps) to be at (0, 0).
1151         wxPoint pt(parent->GetClientAreaOrigin());
1152         point.x -= pt.x;
1153         point.y -= pt.y;
1154     }
1155
1156     if ( x )
1157         *x = point.x;
1158     if ( y )
1159         *y = point.y;
1160 }
1161
1162 void wxWindow::DoScreenToClient(int *x, int *y) const
1163 {
1164     POINT pt;
1165     if ( x )
1166         pt.x = *x;
1167     if ( y )
1168         pt.y = *y;
1169
1170     HWND hWnd = GetHwnd();
1171     ::ScreenToClient(hWnd, &pt);
1172
1173     if ( x )
1174         *x = pt.x;
1175     if ( y )
1176         *y = pt.y;
1177 }
1178
1179 void wxWindow::DoClientToScreen(int *x, int *y) const
1180 {
1181     POINT pt;
1182     if ( x )
1183         pt.x = *x;
1184     if ( y )
1185         pt.y = *y;
1186
1187     HWND hWnd = GetHwnd();
1188     ::ClientToScreen(hWnd, &pt);
1189
1190     if ( x )
1191         *x = pt.x;
1192     if ( y )
1193         *y = pt.y;
1194 }
1195
1196 // Get size *available for subwindows* i.e. excluding menu bar etc.
1197 void wxWindow::DoGetClientSize(int *x, int *y) const
1198 {
1199     HWND hWnd = GetHwnd();
1200     RECT rect;
1201     ::GetClientRect(hWnd, &rect);
1202     if ( x )
1203         *x = rect.right;
1204     if ( y )
1205         *y = rect.bottom;
1206 }
1207
1208 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
1209 {
1210     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1211     {
1212         wxLogLastError(wxT("MoveWindow"));
1213     }
1214 }
1215
1216 // set the size of the window: if the dimensions are positive, just use them,
1217 // but if any of them is equal to -1, it means that we must find the value for
1218 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1219 // which case -1 is a valid value for x and y)
1220 //
1221 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1222 // the width/height to best suit our contents, otherwise we reuse the current
1223 // width/height
1224 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1225 {
1226     // get the current size and position...
1227     int currentX, currentY;
1228     GetPosition(&currentX, &currentY);
1229     int currentW,currentH;
1230     GetSize(&currentW, &currentH);
1231
1232     // ... and don't do anything (avoiding flicker) if it's already ok
1233     if ( x == currentX && y == currentY &&
1234          width == currentW && height == currentH )
1235     {
1236         return;
1237     }
1238
1239     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1240         x = currentX;
1241     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1242         y = currentY;
1243
1244     AdjustForParentClientOrigin(x, y, sizeFlags);
1245
1246     wxSize size(-1, -1);
1247     if ( width == -1 )
1248     {
1249         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1250         {
1251             size = DoGetBestSize();
1252             width = size.x;
1253         }
1254         else
1255         {
1256             // just take the current one
1257             width = currentW;
1258         }
1259     }
1260
1261     if ( height == -1 )
1262     {
1263         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1264         {
1265             if ( size.x == -1 )
1266             {
1267                 size = DoGetBestSize();
1268             }
1269             //else: already called DoGetBestSize() above
1270
1271             height = size.y;
1272         }
1273         else
1274         {
1275             // just take the current one
1276             height = currentH;
1277         }
1278     }
1279
1280     DoMoveWindow(x, y, width, height);
1281 }
1282
1283 void wxWindow::DoSetClientSize(int width, int height)
1284 {
1285     wxWindow *parent = GetParent();
1286     HWND hWnd = GetHwnd();
1287     HWND hParentWnd = (HWND) 0;
1288     if ( parent )
1289         hParentWnd = (HWND) parent->GetHWND();
1290
1291     RECT rect;
1292     ::GetClientRect(hWnd, &rect);
1293
1294     RECT rect2;
1295     GetWindowRect(hWnd, &rect2);
1296
1297     // Find the difference between the entire window (title bar and all)
1298     // and the client area; add this to the new client size to move the
1299     // window
1300     int actual_width = rect2.right - rect2.left - rect.right + width;
1301     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1302
1303     // If there's a parent, must subtract the parent's top left corner
1304     // since MoveWindow moves relative to the parent
1305
1306     POINT point;
1307     point.x = rect2.left;
1308     point.y = rect2.top;
1309     if ( parent )
1310     {
1311         ::ScreenToClient(hParentWnd, &point);
1312     }
1313
1314     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1315
1316     wxSizeEvent event(wxSize(width, height), m_windowId);
1317     event.SetEventObject(this);
1318     GetEventHandler()->ProcessEvent(event);
1319 }
1320
1321 // For implementation purposes - sometimes decorations make the client area
1322 // smaller
1323 wxPoint wxWindow::GetClientAreaOrigin() const
1324 {
1325     return wxPoint(0, 0);
1326 }
1327
1328 // Makes an adjustment to the window position (for example, a frame that has
1329 // a toolbar that it manages itself).
1330 void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1331 {
1332     // don't do it for the dialogs/frames - they float independently of their
1333     // parent
1334     if ( !IsTopLevel() )
1335     {
1336         wxWindow *parent = GetParent();
1337         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1338         {
1339             wxPoint pt(parent->GetClientAreaOrigin());
1340             x += pt.x; y += pt.y;
1341         }
1342     }
1343 }
1344
1345 // ---------------------------------------------------------------------------
1346 // text metrics
1347 // ---------------------------------------------------------------------------
1348
1349 int wxWindow::GetCharHeight() const
1350 {
1351     return wxGetTextMetrics(this).tmHeight;
1352 }
1353
1354 int wxWindow::GetCharWidth() const
1355 {
1356     // +1 is needed because Windows apparently adds it when calculating the
1357     // dialog units size in pixels
1358 #if wxDIALOG_UNIT_COMPATIBILITY
1359     return wxGetTextMetrics(this).tmAveCharWidth ;
1360 #else
1361     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1362 #endif
1363 }
1364
1365 void wxWindow::GetTextExtent(const wxString& string,
1366                              int *x, int *y,
1367                              int *descent, int *externalLeading,
1368                              const wxFont *theFont) const
1369 {
1370     const wxFont *fontToUse = theFont;
1371     if ( !fontToUse )
1372         fontToUse = &m_font;
1373
1374     HWND hWnd = GetHwnd();
1375     HDC dc = ::GetDC(hWnd);
1376
1377     HFONT fnt = 0;
1378     HFONT hfontOld = 0;
1379     if ( fontToUse && fontToUse->Ok() )
1380     {
1381         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1382         if ( fnt )
1383             hfontOld = (HFONT)SelectObject(dc,fnt);
1384     }
1385
1386     SIZE sizeRect;
1387     TEXTMETRIC tm;
1388     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1389     GetTextMetrics(dc, &tm);
1390
1391     if ( fontToUse && fnt && hfontOld )
1392         SelectObject(dc, hfontOld);
1393
1394     ReleaseDC(hWnd, dc);
1395
1396     if ( x )
1397         *x = sizeRect.cx;
1398     if ( y )
1399         *y = sizeRect.cy;
1400     if ( descent )
1401         *descent = tm.tmDescent;
1402     if ( externalLeading )
1403         *externalLeading = tm.tmExternalLeading;
1404 }
1405
1406 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1407 // ---------------------------------------------------------------------------
1408 // Caret manipulation
1409 // ---------------------------------------------------------------------------
1410
1411 void wxWindow::CreateCaret(int w, int h)
1412 {
1413     SetCaret(new wxCaret(this, w, h));
1414 }
1415
1416 void wxWindow::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1417 {
1418     wxFAIL_MSG("not implemented");
1419 }
1420
1421 void wxWindow::ShowCaret(bool show)
1422 {
1423     wxCHECK_RET( m_caret, "no caret to show" );
1424
1425     m_caret->Show(show);
1426 }
1427
1428 void wxWindow::DestroyCaret()
1429 {
1430     SetCaret(NULL);
1431 }
1432
1433 void wxWindow::SetCaretPos(int x, int y)
1434 {
1435     wxCHECK_RET( m_caret, "no caret to move" );
1436
1437     m_caret->Move(x, y);
1438 }
1439
1440 void wxWindow::GetCaretPos(int *x, int *y) const
1441 {
1442     wxCHECK_RET( m_caret, "no caret to get position of" );
1443
1444     m_caret->GetPosition(x, y);
1445 }
1446 #endif // wxUSE_CARET
1447
1448 // ---------------------------------------------------------------------------
1449 // popup menu
1450 // ---------------------------------------------------------------------------
1451
1452 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
1453 {
1454     menu->SetInvokingWindow(this);
1455     menu->UpdateUI();
1456
1457     HWND hWnd = GetHwnd();
1458     HMENU hMenu = GetHmenuOf(menu);
1459     POINT point;
1460     point.x = x;
1461     point.y = y;
1462     ::ClientToScreen(hWnd, &point);
1463     wxCurrentPopupMenu = menu;
1464     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1465     wxYield();
1466     wxCurrentPopupMenu = NULL;
1467
1468     menu->SetInvokingWindow(NULL);
1469
1470     return TRUE;
1471 }
1472
1473 // ===========================================================================
1474 // pre/post message processing
1475 // ===========================================================================
1476
1477 long wxWindow::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1478 {
1479     if ( m_oldWndProc )
1480         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1481     else
1482         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1483 }
1484
1485 bool wxWindow::MSWProcessMessage(WXMSG* pMsg)
1486 {
1487     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1488     {
1489         // intercept dialog navigation keys
1490         MSG *msg = (MSG *)pMsg;
1491
1492         // here we try to do all the job which ::IsDialogMessage() usually does
1493         // internally
1494 #if 1
1495         bool bProcess = TRUE;
1496         if ( msg->message != WM_KEYDOWN )
1497             bProcess = FALSE;
1498
1499         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1500             bProcess = FALSE;
1501
1502         if ( bProcess )
1503         {
1504             bool bCtrlDown = wxIsCtrlDown();
1505             bool bShiftDown = wxIsShiftDown();
1506
1507             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1508             // don't process it if it's the case (except for Ctrl-Tab/Enter
1509             // combinations which are always processed)
1510             LONG lDlgCode = 0;
1511             if ( !bCtrlDown )
1512             {
1513                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1514             }
1515
1516             bool bForward = TRUE,
1517                  bWindowChange = FALSE;
1518
1519             switch ( msg->wParam )
1520             {
1521                 case VK_TAB:
1522                     // assume that nobody wants Shift-TAB for himself - if we
1523                     // don't do it there is no easy way for a control to grab
1524                     // TABs but still let Shift-TAB work as navugation key
1525                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1526                         bProcess = FALSE;
1527                     }
1528                     else {
1529                         // Ctrl-Tab cycles thru notebook pages
1530                         bWindowChange = bCtrlDown;
1531                         bForward = !bShiftDown;
1532                     }
1533                     break;
1534
1535                 case VK_UP:
1536                 case VK_LEFT:
1537                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1538                         bProcess = FALSE;
1539                     else
1540                         bForward = FALSE;
1541                     break;
1542
1543                 case VK_DOWN:
1544                 case VK_RIGHT:
1545                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1546                         bProcess = FALSE;
1547                     break;
1548
1549                 case VK_RETURN:
1550                     {
1551                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1552                         {
1553                             // control wants to process Enter itself, don't
1554                             // call IsDialogMessage() which would interpret
1555                             // it
1556                             return FALSE;
1557                         }
1558                         else if ( lDlgCode & DLGC_BUTTON )
1559                         {
1560                             // buttons want process Enter themselevs
1561                             bProcess = FALSE;
1562                         }
1563                         else
1564                         {
1565                             wxPanel *panel = wxDynamicCast(this, wxPanel);
1566                             wxButton *btn = NULL;
1567                             if ( panel )
1568                             {
1569                                 // panel may have a default button which should
1570                                 // be activated by Enter
1571                                 btn = panel->GetDefaultItem();
1572                             }
1573
1574                             if ( btn && btn->IsEnabled() )
1575                             {
1576                                 // if we do have a default button, do press it
1577                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1578
1579                                 return TRUE;
1580                             }
1581                             // else: but if it does not it makes sense to make
1582                             //       it work like a TAB - and that's what we do.
1583                             //       Note that Ctrl-Enter always works this way.
1584                         }
1585                     }
1586                     break;
1587
1588                 default:
1589                     bProcess = FALSE;
1590             }
1591
1592             if ( bProcess )
1593             {
1594                 wxNavigationKeyEvent event;
1595                 event.SetDirection(bForward);
1596                 event.SetWindowChange(bWindowChange);
1597                 event.SetEventObject(this);
1598
1599                 if ( GetEventHandler()->ProcessEvent(event) )
1600                 {
1601                     wxButton *btn = wxDynamicCast(FindFocus(), wxButton);
1602                     if ( btn )
1603                     {
1604                         // the button which has focus should be default
1605                         btn->SetDefault();
1606                     }
1607
1608                     return TRUE;
1609                 }
1610             }
1611         }
1612 #else
1613         // let ::IsDialogMessage() do almost everything and handle just the
1614         // things it doesn't here: Ctrl-TAB for switching notebook pages
1615         if ( msg->message == WM_KEYDOWN )
1616         {
1617             // don't process system keys here
1618             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1619             {
1620                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1621                 {
1622                     // find the first notebook parent and change its page
1623                     wxWindow *win = this;
1624                     wxNotebook *nbook = NULL;
1625                     while ( win && !nbook )
1626                     {
1627                         nbook = wxDynamicCast(win, wxNotebook);
1628                         win = win->GetParent();
1629                     }
1630
1631                     if ( nbook )
1632                     {
1633                         bool forward = !wxIsShiftDown();
1634
1635                         nbook->AdvanceSelection(forward);
1636                     }
1637                 }
1638             }
1639         }
1640 #endif // 0
1641
1642         if ( ::IsDialogMessage(GetHwnd(), msg) )
1643         {
1644             // IsDialogMessage() did something...
1645             return TRUE;
1646         }
1647     }
1648
1649 #if wxUSE_TOOLTIPS
1650     if ( m_tooltip )
1651     {
1652         // relay mouse move events to the tooltip control
1653         MSG *msg = (MSG *)pMsg;
1654         if ( msg->message == WM_MOUSEMOVE )
1655             m_tooltip->RelayEvent(pMsg);
1656     }
1657 #endif // wxUSE_TOOLTIPS
1658
1659     return FALSE;
1660 }
1661
1662 bool wxWindow::MSWTranslateMessage(WXMSG* pMsg)
1663 {
1664     return m_acceleratorTable.Translate(this, pMsg);
1665 }
1666
1667 // ---------------------------------------------------------------------------
1668 // message params unpackers (different for Win16 and Win32)
1669 // ---------------------------------------------------------------------------
1670
1671 #ifdef __WIN32__
1672
1673 void wxWindow::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1674                              WORD *id, WXHWND *hwnd, WORD *cmd)
1675 {
1676     *id = LOWORD(wParam);
1677     *hwnd = (WXHWND)lParam;
1678     *cmd = HIWORD(wParam);
1679 }
1680
1681 void wxWindow::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1682                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1683 {
1684     *state = LOWORD(wParam);
1685     *minimized = HIWORD(wParam);
1686     *hwnd = (WXHWND)lParam;
1687 }
1688
1689 void wxWindow::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1690                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1691 {
1692     *code = LOWORD(wParam);
1693     *pos = HIWORD(wParam);
1694     *hwnd = (WXHWND)lParam;
1695 }
1696
1697 void wxWindow::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1698                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1699 {
1700     *nCtlColor = CTLCOLOR_BTN;
1701     *hwnd = (WXHWND)lParam;
1702     *hdc = (WXHDC)wParam;
1703 }
1704
1705 void wxWindow::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1706                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1707 {
1708     *item = (WXWORD)wParam;
1709     *flags = HIWORD(wParam);
1710     *hmenu = (WXHMENU)lParam;
1711 }
1712
1713 #else // Win16
1714
1715 void wxWindow::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1716                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1717 {
1718     *id = (WXWORD)wParam;
1719     *hwnd = (WXHWND)LOWORD(lParam);
1720     *cmd = HIWORD(lParam);
1721 }
1722
1723 void wxWindow::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1724                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1725 {
1726     *state = (WXWORD)wParam;
1727     *minimized = LOWORD(lParam);
1728     *hwnd = (WXHWND)HIWORD(lParam);
1729 }
1730
1731 void wxWindow::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1732                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1733 {
1734     *code = (WXWORD)wParam;
1735     *pos = LOWORD(lParam);
1736     *hwnd = (WXHWND)HIWORD(lParam);
1737 }
1738
1739 void wxWindow::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1740                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1741 {
1742     *hwnd = (WXHWND)LOWORD(lParam);
1743     *nCtlColor = (int)HIWORD(lParam);
1744     *hdc = (WXHDC)wParam;
1745 }
1746
1747 void wxWindow::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1748                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1749 {
1750     *item = (WXWORD)wParam;
1751     *flags = LOWORD(lParam);
1752     *hmenu = (WXHMENU)HIWORD(lParam);
1753 }
1754
1755 #endif // Win32/16
1756
1757 // ---------------------------------------------------------------------------
1758 // Main wxWindows window proc and the window proc for wxWindow
1759 // ---------------------------------------------------------------------------
1760
1761 // Hook for new window just as it's being created, when the window isn't yet
1762 // associated with the handle
1763 wxWindow *wxWndHook = NULL;
1764
1765 // Main window proc
1766 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1767 {
1768     // trace all messages - useful for the debugging
1769 #ifdef __WXDEBUG__
1770     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
1771                wxGetMessageName(message), wParam, lParam);
1772 #endif // __WXDEBUG__
1773
1774     wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
1775
1776     // when we get the first message for the HWND we just created, we associate
1777     // it with wxWindow stored in wxWndHook
1778     if ( !wnd && wxWndHook )
1779     {
1780 #if 0 // def __WXDEBUG__
1781         char buf[512];
1782         ::GetClassNameA((HWND) hWnd, buf, 512);
1783         wxString className(buf);
1784 #endif
1785
1786         wxAssociateWinWithHandle(hWnd, wxWndHook);
1787         wnd = wxWndHook;
1788         wxWndHook = NULL;
1789         wnd->SetHWND((WXHWND)hWnd);
1790     }
1791
1792     LRESULT rc;
1793
1794     // Stop right here if we don't have a valid handle in our wxWindow object.
1795     if ( wnd && !wnd->GetHWND() )
1796     {
1797         // FIXME: why do we do this?
1798         wnd->SetHWND((WXHWND) hWnd);
1799         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
1800         wnd->SetHWND(0);
1801     }
1802     else
1803     {
1804         if ( wnd )
1805             rc = wnd->MSWWindowProc(message, wParam, lParam);
1806         else
1807             rc = DefWindowProc( hWnd, message, wParam, lParam );
1808     }
1809
1810     return rc;
1811 }
1812
1813 long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1814 {
1815     // did we process the message?
1816     bool processed = FALSE;
1817
1818     // the return value
1819     union
1820     {
1821         bool        allow;
1822         long        result;
1823         WXHICON     hIcon;
1824         WXHBRUSH    hBrush;
1825     } rc;
1826
1827     // for most messages we should return 0 when we do process the message
1828     rc.result = 0;
1829
1830     switch ( message )
1831     {
1832         case WM_CREATE:
1833             {
1834                 bool mayCreate;
1835                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
1836                 if ( processed )
1837                 {
1838                     // return 0 to allow window creation
1839                     rc.result = mayCreate ? 0 : -1;
1840                 }
1841             }
1842             break;
1843
1844         case WM_DESTROY:
1845             processed = HandleDestroy();
1846             break;
1847
1848         case WM_MOVE:
1849             processed = HandleMove(LOWORD(lParam), HIWORD(lParam));
1850             break;
1851
1852         case WM_SIZE:
1853             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1854             break;
1855
1856         case WM_ACTIVATE:
1857             {
1858                 WXWORD state, minimized;
1859                 WXHWND hwnd;
1860                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
1861
1862                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
1863             }
1864             break;
1865
1866         case WM_SETFOCUS:
1867             processed = HandleSetFocus((WXHWND)(HWND)wParam);
1868             break;
1869
1870         case WM_KILLFOCUS:
1871             processed = HandleKillFocus((WXHWND)(HWND)wParam);
1872             break;
1873
1874         case WM_PAINT:
1875             processed = HandlePaint();
1876             break;
1877
1878         case WM_CLOSE:
1879             // don't let the DefWindowProc() destroy our window - we'll do it
1880             // ourselves in ~wxWindow
1881             processed = TRUE;
1882             rc.result = TRUE;
1883             break;
1884
1885         case WM_SHOWWINDOW:
1886             processed = HandleShow(wParam != 0, (int)lParam);
1887             break;
1888
1889         case WM_MOUSEMOVE:
1890            {
1891                 short x = LOWORD(lParam);
1892                 short y = HIWORD(lParam);
1893
1894                 processed = HandleMouseMove(x, y, wParam);
1895            }
1896            break;
1897
1898         case WM_LBUTTONDOWN:
1899            // set focus to this window
1900            SetFocus();
1901
1902            // fall through
1903
1904         case WM_LBUTTONUP:
1905         case WM_LBUTTONDBLCLK:
1906         case WM_RBUTTONDOWN:
1907         case WM_RBUTTONUP:
1908         case WM_RBUTTONDBLCLK:
1909         case WM_MBUTTONDOWN:
1910         case WM_MBUTTONUP:
1911         case WM_MBUTTONDBLCLK:
1912             {
1913                 short x = LOWORD(lParam);
1914                 short y = HIWORD(lParam);
1915
1916                 processed = HandleMouseEvent(message, x, y, wParam);
1917             }
1918             break;
1919
1920         case MM_JOY1MOVE:
1921         case MM_JOY2MOVE:
1922         case MM_JOY1ZMOVE:
1923         case MM_JOY2ZMOVE:
1924         case MM_JOY1BUTTONDOWN:
1925         case MM_JOY2BUTTONDOWN:
1926         case MM_JOY1BUTTONUP:
1927         case MM_JOY2BUTTONUP:
1928             {
1929                 int x = LOWORD(lParam);
1930                 int y = HIWORD(lParam);
1931
1932                 processed = HandleJoystickEvent(message, x, y, wParam);
1933             }
1934             break;
1935
1936         case WM_SYSCOMMAND:
1937             processed = HandleSysCommand(wParam, lParam);
1938             break;
1939
1940         case WM_COMMAND:
1941             {
1942                 WORD id, cmd;
1943                 WXHWND hwnd;
1944                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
1945
1946                 processed = HandleCommand(id, cmd, hwnd);
1947             }
1948             break;
1949
1950 #ifdef __WIN95__
1951         case WM_NOTIFY:
1952             processed = HandleNotify((int)wParam, lParam, &rc.result);
1953             break;
1954 #endif  // Win95
1955
1956             // for these messages we must return TRUE if process the message
1957         case WM_DRAWITEM:
1958         case WM_MEASUREITEM:
1959             {
1960                 int idCtrl = (UINT)wParam;
1961                 if ( message == WM_DRAWITEM )
1962                 {
1963                     processed = MSWOnDrawItem(idCtrl,
1964                                               (WXDRAWITEMSTRUCT *)lParam);
1965                 }
1966                 else
1967                 {
1968                     processed = MSWOnMeasureItem(idCtrl,
1969                                                  (WXMEASUREITEMSTRUCT *)lParam);
1970                 }
1971
1972                 if ( processed )
1973                     rc.result = TRUE;
1974             }
1975             break;
1976
1977         case WM_GETDLGCODE:
1978             if ( m_lDlgCode )
1979             {
1980                 rc.result = m_lDlgCode;
1981                 processed = TRUE;
1982             }
1983             //else: get the dlg code from the DefWindowProc()
1984             break;
1985
1986         case WM_SYSKEYDOWN:
1987         case WM_KEYDOWN:
1988             // If this has been processed by an event handler,
1989             // return 0 now (we've handled it).
1990             if ( HandleKeyDown((WORD) wParam, lParam) )
1991             {
1992                 processed = TRUE;
1993
1994                 break;
1995             }
1996
1997             // we consider these message "not interesting" to OnChar
1998             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
1999             {
2000                 processed = TRUE;
2001
2002                 break;
2003             }
2004
2005             switch ( wParam )
2006             {
2007                 // avoid duplicate messages to OnChar for these ASCII keys: they
2008                 // will be translated by TranslateMessage() and received in WM_CHAR
2009                 case VK_ESCAPE:
2010                 case VK_SPACE:
2011                 case VK_RETURN:
2012                 case VK_BACK:
2013                 case VK_TAB:
2014                 case VK_ADD:
2015                 case VK_SUBTRACT:
2016                     // but set processed to FALSE, not TRUE to still pass them to
2017                     // the control's default window proc - otherwise built-in
2018                     // keyboard handling won't work
2019                     processed = FALSE;
2020
2021                     break;
2022
2023 #ifdef VK_APPS
2024                 // special case of VK_APPS: treat it the same as right mouse
2025                 // click because both usually pop up a context menu
2026                 case VK_APPS:
2027                     {
2028                         WPARAM flags;
2029                         int x, y;
2030
2031                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2032                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2033                     }
2034                     break;
2035 #endif // VK_APPS
2036
2037                 case VK_LEFT:
2038                 case VK_RIGHT:
2039                 case VK_DOWN:
2040                 case VK_UP:
2041                 default:
2042                     processed = HandleChar((WORD)wParam, lParam);
2043             }
2044             break;
2045
2046         case WM_SYSKEYUP:
2047         case WM_KEYUP:
2048 #ifdef VK_APPS
2049             // special case of VK_APPS: treat it the same as right mouse button
2050             if ( wParam == VK_APPS )
2051             {
2052                 WPARAM flags;
2053                 int x, y;
2054
2055                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2056                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2057             }
2058             else
2059 #endif // VK_APPS
2060             {
2061                 processed = HandleKeyUp((WORD) wParam, lParam);
2062             }
2063             break;
2064
2065         case WM_SYSCHAR:
2066         case WM_CHAR: // Always an ASCII character
2067             processed = HandleChar((WORD)wParam, lParam, TRUE);
2068             break;
2069
2070         case WM_HSCROLL:
2071         case WM_VSCROLL:
2072             {
2073                 WXWORD code, pos;
2074                 WXHWND hwnd;
2075                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2076
2077                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2078                                                               : wxVERTICAL,
2079                                         code, pos, hwnd);
2080             }
2081             break;
2082
2083         // CTLCOLOR messages are sent by children to query the parent for their
2084         // colors
2085 #ifdef __WIN32__
2086         case WM_CTLCOLORMSGBOX:
2087         case WM_CTLCOLOREDIT:
2088         case WM_CTLCOLORLISTBOX:
2089         case WM_CTLCOLORBTN:
2090         case WM_CTLCOLORDLG:
2091         case WM_CTLCOLORSCROLLBAR:
2092         case WM_CTLCOLORSTATIC:
2093 #else // Win16
2094         case WM_CTLCOLOR:
2095 #endif // Win32/16
2096             {
2097                 WXWORD nCtlColor;
2098                 WXHDC hdc;
2099                 WXHWND hwnd;
2100                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2101
2102                 processed = HandleCtlColor(&rc.hBrush,
2103                                            (WXHDC)hdc,
2104                                            (WXHWND)hwnd,
2105                                            nCtlColor,
2106                                            message,
2107                                            wParam,
2108                                            lParam);
2109             }
2110             break;
2111
2112             // the return value for this message is ignored
2113         case WM_SYSCOLORCHANGE:
2114             processed = HandleSysColorChange();
2115             break;
2116
2117         case WM_PALETTECHANGED:
2118             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2119             break;
2120
2121         case WM_QUERYNEWPALETTE:
2122             processed = HandleQueryNewPalette();
2123             break;
2124
2125         case WM_ERASEBKGND:
2126             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2127             if ( processed )
2128             {
2129                 // we processed the message, i.e. erased the background
2130                 rc.result = TRUE;
2131             }
2132             break;
2133
2134         case WM_DROPFILES:
2135             processed = HandleDropFiles(wParam);
2136             break;
2137
2138         case WM_INITDIALOG:
2139             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2140
2141             if ( processed )
2142             {
2143                 // we never set focus from here
2144                 rc.result = FALSE;
2145             }
2146             break;
2147
2148         case WM_QUERYENDSESSION:
2149             processed = HandleQueryEndSession(lParam, &rc.allow);
2150             break;
2151
2152         case WM_ENDSESSION:
2153             processed = HandleEndSession(wParam != 0, lParam);
2154             break;
2155
2156         case WM_GETMINMAXINFO:
2157             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2158             break;
2159
2160         case WM_SETCURSOR:
2161             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2162                                         LOWORD(lParam),     // hit test
2163                                         HIWORD(lParam));    // mouse msg
2164
2165             if ( processed )
2166             {
2167                 // returning TRUE stops the DefWindowProc() from further
2168                 // processing this message - exactly what we need because we've
2169                 // just set the cursor.
2170                 rc.result = TRUE;
2171             }
2172             break;
2173 #ifdef __WIN32__
2174         case WM_HELP:
2175         {
2176             HELPINFO* info = (HELPINFO*) lParam;
2177             // Don't yet process menu help events, just windows
2178             if (info->iContextType == HELPINFO_WINDOW)
2179             {
2180                 wxWindow* subjectOfHelp = this;
2181                 bool eventProcessed = FALSE;
2182                 while (subjectOfHelp && !eventProcessed)
2183                 {
2184                     wxHelpEvent helpEvent(wxEVT_HELP, subjectOfHelp->GetId(), wxPoint(info->MousePos.x, info->MousePos.y) ) ; // info->iCtrlId);
2185                     helpEvent.SetEventObject(this);
2186                     eventProcessed = GetEventHandler()->ProcessEvent(helpEvent);
2187
2188                     // Go up the window hierarchy until the event is handled (or not)
2189                     subjectOfHelp = subjectOfHelp->GetParent();
2190                 }
2191                 processed = eventProcessed;
2192             }
2193             else if (info->iContextType == HELPINFO_MENUITEM)
2194             {
2195                 wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId) ;
2196                 helpEvent.SetEventObject(this);
2197                 processed = GetEventHandler()->ProcessEvent(helpEvent);
2198             }
2199             else processed = FALSE;
2200             break;
2201         }
2202 #endif
2203     }
2204
2205     if ( !processed )
2206     {
2207 #ifdef __WXDEBUG__
2208         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2209                    wxGetMessageName(message));
2210 #endif // __WXDEBUG__
2211         rc.result = MSWDefWindowProc(message, wParam, lParam);
2212     }
2213
2214     return rc.result;
2215 }
2216
2217 // Dialog window proc
2218 LONG APIENTRY _EXPORT
2219 wxDlgProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
2220 {
2221     if ( message == WM_INITDIALOG )
2222     {
2223         // for this message, returning TRUE tells system to set focus to the
2224         // first control in the dialog box
2225         return TRUE;
2226     }
2227     else
2228     {
2229         // for all the other ones, FALSE means that we didn't process the
2230         // message
2231         return 0;
2232     }
2233 }
2234
2235 wxList *wxWinHandleList = NULL;
2236 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2237 {
2238     wxNode *node = wxWinHandleList->Find((long)hWnd);
2239     if ( !node )
2240         return NULL;
2241     return (wxWindow *)node->Data();
2242 }
2243
2244 #if 0 // def __WXDEBUG__
2245 static int gs_AssociationCount = 0;
2246 #endif
2247
2248 void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win)
2249 {
2250     // adding NULL hWnd is (first) surely a result of an error and
2251     // (secondly) breaks menu command processing
2252     wxCHECK_RET( hWnd != (HWND)NULL,
2253                  wxT("attempt to add a NULL hWnd to window list ignored") );
2254
2255
2256     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2257     if ( oldWin && (oldWin != win) )
2258     {
2259         wxString str(win->GetClassInfo()->GetClassName());
2260         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2261     }
2262     else if (!oldWin)
2263     {
2264 #if 0 // def __WXDEBUG__
2265         gs_AssociationCount ++;
2266         wxLogDebug("+ Association %d", gs_AssociationCount);
2267 #endif
2268
2269         wxWinHandleList->Append((long)hWnd, win);
2270     }
2271 }
2272
2273 void wxRemoveHandleAssociation(wxWindow *win)
2274 {
2275 #if 0 // def __WXDEBUG__
2276     if (wxWinHandleList->Member(win))
2277     {
2278         wxLogDebug("- Association %d", gs_AssociationCount);
2279         gs_AssociationCount --;
2280     }
2281 #endif
2282     wxWinHandleList->DeleteObject(win);
2283 }
2284
2285 // Default destroyer - override if you destroy it in some other way
2286 // (e.g. with MDI child windows)
2287 void wxWindow::MSWDestroyWindow()
2288 {
2289 }
2290
2291 void wxWindow::MSWDetachWindowMenu()
2292 {
2293     if ( m_hMenu )
2294     {
2295         HMENU hMenu = (HMENU)m_hMenu;
2296
2297         int N = ::GetMenuItemCount(hMenu);
2298         int i;
2299         for (i = 0; i < N; i++)
2300         {
2301             wxChar buf[100];
2302             int chars = GetMenuString(hMenu, i, buf, 100, MF_BYPOSITION);
2303             if ( !chars )
2304             {
2305                 wxLogLastError(wxT("GetMenuString"));
2306
2307                 continue;
2308             }
2309
2310             if ( wxStrcmp(buf, wxT("&Window")) == 0 )
2311             {
2312                 RemoveMenu(hMenu, i, MF_BYPOSITION);
2313
2314                 break;
2315             }
2316         }
2317     }
2318 }
2319
2320 bool wxWindow::MSWCreate(int id,
2321                          wxWindow *parent,
2322                          const wxChar *wclass,
2323                          wxWindow *wx_win,
2324                          const wxChar *title,
2325                          int x,
2326                          int y,
2327                          int width,
2328                          int height,
2329                          WXDWORD style,
2330                          const wxChar *dialog_template,
2331                          WXDWORD extendedStyle)
2332 {
2333     int x1 = CW_USEDEFAULT;
2334     int y1 = 0;
2335     int width1 = CW_USEDEFAULT;
2336     int height1 = 100;
2337
2338     // Find parent's size, if it exists, to set up a possible default
2339     // panel size the size of the parent window
2340     RECT parent_rect;
2341     if ( parent )
2342     {
2343         ::GetClientRect((HWND) parent->GetHWND(), &parent_rect);
2344
2345         width1 = parent_rect.right - parent_rect.left;
2346         height1 = parent_rect.bottom - parent_rect.top;
2347     }
2348
2349     if ( x > -1 ) x1 = x;
2350     if ( y > -1 ) y1 = y;
2351     if ( width > -1 ) width1 = width;
2352     if ( height > -1 ) height1 = height;
2353
2354     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2355     // hierarchy with several embedded panels (and not all of them) causes the
2356     // program to hang during the next call to IsDialogMessage() due to the bug
2357     // in this function (at least in Windows NT 4.0, it seems to work ok in
2358     // Win2K)
2359 #if 0
2360     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2361     // IsDialogMessage() won't work for us
2362     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2363     {
2364         extendedStyle |= WS_EX_CONTROLPARENT;
2365     }
2366 #endif // 0
2367
2368     HWND hParent = (HWND)NULL;
2369     if ( parent )
2370         hParent = (HWND) parent->GetHWND();
2371
2372     wxWndHook = this;
2373
2374     if ( dialog_template )
2375     {
2376         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2377                                         dialog_template,
2378                                         hParent,
2379                                         (DLGPROC)wxDlgProc);
2380
2381         if ( m_hWnd == 0 )
2382         {
2383             wxLogError(_("Can't find dummy dialog template!\nCheck resource include path for finding wx.rc."));
2384
2385             return FALSE;
2386         }
2387         if (extendedStyle != 0)
2388         {
2389             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2390             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2391                 SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
2392         }
2393 #if defined(__WIN95__)
2394         // For some reason, the system menu is activated when we use the
2395         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2396         if (extendedStyle & WS_EX_CONTEXTHELP)
2397         {
2398             if (wxTheApp->GetTopWindow() && (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame))))
2399             {
2400                 wxIcon icon = ((wxFrame*)wxTheApp->GetTopWindow())->GetIcon();
2401                 if (icon.Ok())
2402                     SendMessage(GetHwnd(), WM_SETICON,
2403                         (WPARAM)TRUE, (LPARAM)(HICON) icon.GetHICON());
2404             }
2405         }
2406 #endif // __WIN95__
2407
2408
2409         // JACS: is the following still necessary? The above seems to work.
2410
2411         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2412         // to take care of (at least some) extended style flags ourselves
2413         if ( extendedStyle & WS_EX_TOPMOST )
2414         {
2415             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2416                                  SWP_NOSIZE | SWP_NOMOVE) )
2417             {
2418                 wxLogLastError(wxT("SetWindowPos"));
2419             }
2420         }
2421
2422         // move the dialog to its initial position without forcing repainting
2423         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2424         {
2425             wxLogLastError(wxT("MoveWindow"));
2426         }
2427     }
2428     else
2429     {
2430         int controlId = 0;
2431         if ( style & WS_CHILD )
2432           {
2433             controlId = id;
2434             // all child windows should clip their siblings
2435             // style |= /* WS_CLIPSIBLINGS */ ;
2436           }
2437
2438         wxString className(wclass);
2439         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2440         {
2441             className += wxT("NR");
2442         }
2443
2444         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2445                                         className,
2446                                         title ? title : wxT(""),
2447                                         style,
2448                                         x1, y1,
2449                                         width1, height1,
2450                                         hParent, (HMENU)controlId,
2451                                         wxGetInstance(),
2452                                         NULL);
2453
2454         if ( !m_hWnd )
2455         {
2456             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2457                        wclass);
2458
2459             return FALSE;
2460         }
2461     }
2462
2463     wxWndHook = NULL;
2464 #ifdef __WXDEBUG__
2465     wxNode* node = wxWinHandleList->Member(this);
2466     if (node)
2467     {
2468         HWND hWnd = (HWND) node->GetKeyInteger();
2469         if (hWnd != (HWND) m_hWnd)
2470         {
2471             wxLogError(wxT("A second HWND association is being added for the same window!"));
2472         }
2473     }
2474 #endif
2475     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2476
2477     return TRUE;
2478 }
2479
2480 // ===========================================================================
2481 // MSW message handlers
2482 // ===========================================================================
2483
2484 // ---------------------------------------------------------------------------
2485 // WM_NOTIFY
2486 // ---------------------------------------------------------------------------
2487
2488 #ifdef __WIN95__
2489 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2490 bool wxWindow::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2491 {
2492     LPNMHDR hdr = (LPNMHDR)lParam;
2493     HWND hWnd = hdr->hwndFrom;
2494     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2495
2496     // is this one of our windows?
2497     if ( win )
2498     {
2499         return win->MSWOnNotify(idCtrl, lParam, result);
2500     }
2501
2502     // try all our children
2503     wxWindowList::Node *node = GetChildren().GetFirst();
2504     while ( node )
2505     {
2506         wxWindow *child = node->GetData();
2507         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2508         {
2509             return TRUE;
2510         }
2511
2512         node = node->GetNext();
2513     }
2514
2515     // finally try this window too (catches toolbar case)
2516     return MSWOnNotify(idCtrl, lParam, result);
2517 }
2518
2519 bool wxWindow::MSWOnNotify(int WXUNUSED(idCtrl),
2520                            WXLPARAM lParam,
2521                            WXLPARAM* WXUNUSED(result))
2522 {
2523 #if wxUSE_TOOLTIPS
2524     NMHDR* hdr = (NMHDR *)lParam;
2525     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2526     {
2527         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2528         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2529
2530         // processed
2531         return TRUE;
2532     }
2533 #endif // wxUSE_TOOLTIPS
2534
2535     return FALSE;
2536 }
2537 #endif // __WIN95__
2538
2539 // ---------------------------------------------------------------------------
2540 // end session messages
2541 // ---------------------------------------------------------------------------
2542
2543 bool wxWindow::HandleQueryEndSession(long logOff, bool *mayEnd)
2544 {
2545     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2546     event.SetEventObject(wxTheApp);
2547     event.SetCanVeto(TRUE);
2548     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
2549
2550     bool rc = wxTheApp->ProcessEvent(event);
2551
2552     if ( rc )
2553     {
2554         // we may end only if the app didn't veto session closing (double
2555         // negation...)
2556         *mayEnd = !event.GetVeto();
2557     }
2558
2559     return rc;
2560 }
2561
2562 bool wxWindow::HandleEndSession(bool endSession, long logOff)
2563 {
2564     // do nothing if the session isn't ending
2565     if ( !endSession )
2566         return FALSE;
2567
2568     wxCloseEvent event(wxEVT_END_SESSION, -1);
2569     event.SetEventObject(wxTheApp);
2570     event.SetCanVeto(FALSE);
2571     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
2572     if ( (this == wxTheApp->GetTopWindow()) && // Only send once
2573         wxTheApp->ProcessEvent(event))
2574     {
2575     }
2576     return TRUE;
2577 }
2578
2579 // ---------------------------------------------------------------------------
2580 // window creation/destruction
2581 // ---------------------------------------------------------------------------
2582
2583 bool wxWindow::HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate)
2584 {
2585     // TODO: should generate this event from WM_NCCREATE
2586     wxWindowCreateEvent event(this);
2587     (void)GetEventHandler()->ProcessEvent(event);
2588
2589     *mayCreate = TRUE;
2590
2591     return TRUE;
2592 }
2593
2594 bool wxWindow::HandleDestroy()
2595 {
2596     wxWindowDestroyEvent event(this);
2597     (void)GetEventHandler()->ProcessEvent(event);
2598
2599     // delete our drop target if we've got one
2600 #if wxUSE_DRAG_AND_DROP
2601     if ( m_dropTarget != NULL )
2602     {
2603         m_dropTarget->Revoke(m_hWnd);
2604
2605         delete m_dropTarget;
2606         m_dropTarget = NULL;
2607     }
2608 #endif // wxUSE_DRAG_AND_DROP
2609
2610     // WM_DESTROY handled
2611     return TRUE;
2612 }
2613
2614 // ---------------------------------------------------------------------------
2615 // activation/focus
2616 // ---------------------------------------------------------------------------
2617
2618 void wxWindow::OnSetFocus(wxFocusEvent& event)
2619 {
2620     // panel wants to track the window which was the last to have focus in it,
2621     // so we want to set ourselves as the window which last had focus
2622     //
2623     // notice that it's also important to do it upwards the tree becaus
2624     // otherwise when the top level panel gets focus, it won't set it back to
2625     // us, but to some other sibling
2626     wxWindow *win = this;
2627     while ( win )
2628     {
2629         wxWindow *parent = win->GetParent();
2630         wxPanel *panel = wxDynamicCast(parent, wxPanel);
2631         if ( panel )
2632         {
2633             panel->SetLastFocus(win);
2634         }
2635
2636         win = parent;
2637     }
2638
2639     wxLogTrace(_T("focus"), _T("%s (0x%08x) gets focus"),
2640                GetClassInfo()->GetClassName(), GetHandle());
2641
2642     event.Skip();
2643 }
2644
2645 bool wxWindow::HandleActivate(int state,
2646                               bool WXUNUSED(minimized),
2647                               WXHWND WXUNUSED(activate))
2648 {
2649     wxActivateEvent event(wxEVT_ACTIVATE,
2650                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
2651                           m_windowId);
2652     event.SetEventObject(this);
2653
2654     return GetEventHandler()->ProcessEvent(event);
2655 }
2656
2657 bool wxWindow::HandleSetFocus(WXHWND WXUNUSED(hwnd))
2658 {
2659 #if wxUSE_CARET
2660     // Deal with caret
2661     if ( m_caret )
2662     {
2663         m_caret->OnSetFocus();
2664     }
2665 #endif // wxUSE_CARET
2666
2667     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
2668     event.SetEventObject(this);
2669
2670     return GetEventHandler()->ProcessEvent(event);
2671 }
2672
2673 bool wxWindow::HandleKillFocus(WXHWND WXUNUSED(hwnd))
2674 {
2675 #if wxUSE_CARET
2676     // Deal with caret
2677     if ( m_caret )
2678     {
2679         m_caret->OnKillFocus();
2680     }
2681 #endif // wxUSE_CARET
2682
2683     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
2684     event.SetEventObject(this);
2685
2686     return GetEventHandler()->ProcessEvent(event);
2687 }
2688
2689 // ---------------------------------------------------------------------------
2690 // miscellaneous
2691 // ---------------------------------------------------------------------------
2692
2693 bool wxWindow::HandleShow(bool show, int status)
2694 {
2695     wxShowEvent event(GetId(), show);
2696     event.m_eventObject = this;
2697
2698     return GetEventHandler()->ProcessEvent(event);
2699 }
2700
2701 bool wxWindow::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
2702 {
2703     wxInitDialogEvent event(GetId());
2704     event.m_eventObject = this;
2705
2706     return GetEventHandler()->ProcessEvent(event);
2707 }
2708
2709 bool wxWindow::HandleDropFiles(WXWPARAM wParam)
2710 {
2711     HDROP hFilesInfo = (HDROP) wParam;
2712     POINT dropPoint;
2713     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
2714
2715     // Get the total number of files dropped
2716     WORD gwFilesDropped = (WORD)::DragQueryFile
2717                             (
2718                                 (HDROP)hFilesInfo,
2719                                 (UINT)-1,
2720                                 (LPTSTR)0,
2721                                 (UINT)0
2722                             );
2723
2724     wxString *files = new wxString[gwFilesDropped];
2725     int wIndex;
2726     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
2727     {
2728         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
2729         files[wIndex] = wxBuffer;
2730     }
2731     DragFinish (hFilesInfo);
2732
2733     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
2734     event.m_eventObject = this;
2735     event.m_pos.x = dropPoint.x; event.m_pos.x = dropPoint.y;
2736
2737     bool rc = GetEventHandler()->ProcessEvent(event);
2738
2739     delete[] files;
2740
2741     return rc;
2742 }
2743
2744 bool wxWindow::HandleSetCursor(WXHWND hWnd,
2745                                short nHitTest,
2746                                int WXUNUSED(mouseMsg))
2747 {
2748     // the logic is as follows:
2749     // -1. don't set cursor for non client area, including but not limited to
2750     //     the title bar, scrollbars, &c
2751     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
2752     //  1. if we have the cursor set it unless wxIsBusy()
2753     //  2. if we're a top level window, set some cursor anyhow
2754     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
2755
2756     if ( nHitTest != HTCLIENT )
2757     {
2758         return FALSE;
2759     }
2760
2761     HCURSOR hcursor = 0;
2762
2763     // first ask the user code - it may wish to set the cursor in some very
2764     // specific way (for example, depending on the current position)
2765     POINT pt;
2766 #ifdef __WIN32__
2767     if ( !::GetCursorPos(&pt) )
2768     {
2769         wxLogLastError(wxT("GetCursorPos"));
2770     }
2771 #else
2772     // In WIN16 it doesn't return a value.
2773     ::GetCursorPos(&pt);
2774 #endif
2775
2776     int x = pt.x,
2777         y = pt.y;
2778     ScreenToClient(&x, &y);
2779     wxSetCursorEvent event(x, y);
2780
2781     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
2782     if ( processedEvtSetCursor && event.HasCursor() )
2783     {
2784         hcursor = GetHcursorOf(event.GetCursor());
2785     }
2786
2787     if ( !hcursor )
2788     {
2789         bool isBusy = wxIsBusy();
2790
2791         // the test for processedEvtSetCursor is here to prevent using m_cursor
2792         // if the user code caught EVT_SET_CURSOR() and returned nothing from
2793         // it - this is a way to say that our cursor shouldn't be used for this
2794         // point
2795         if ( !processedEvtSetCursor && m_cursor.Ok() )
2796         {
2797             hcursor = GetHcursorOf(m_cursor);
2798         }
2799
2800         if ( !GetParent() )
2801         {
2802             if ( isBusy )
2803             {
2804                 hcursor = wxGetCurrentBusyCursor();
2805             }
2806             else if ( !hcursor )
2807             {
2808                 const wxCursor *cursor = wxGetGlobalCursor();
2809                 if ( cursor && cursor->Ok() )
2810                 {
2811                     hcursor = GetHcursorOf(*cursor);
2812                 }
2813             }
2814         }
2815     }
2816
2817     if ( hcursor )
2818     {
2819         ::SetCursor(hcursor);
2820
2821         // cursor set, stop here
2822         return TRUE;
2823     }
2824
2825     // pass up the window chain
2826     return FALSE;
2827 }
2828
2829 // ---------------------------------------------------------------------------
2830 // owner drawn stuff
2831 // ---------------------------------------------------------------------------
2832
2833 bool wxWindow::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
2834 {
2835 #if wxUSE_OWNER_DRAWN
2836     // is it a menu item?
2837     if ( id == 0 )
2838     {
2839         DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
2840         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
2841
2842         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
2843
2844         // prepare to call OnDrawItem()
2845         wxDC dc;
2846         dc.SetHDC((WXHDC)pDrawStruct->hDC, FALSE);
2847         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
2848                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
2849                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
2850
2851         return pMenuItem->OnDrawItem
2852                           (
2853                             dc, rect,
2854                             (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
2855                             (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
2856                           );
2857     }
2858
2859     wxWindow *item = FindItem(id);
2860     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
2861     {
2862         return ((wxControl *)item)->MSWOnDraw(itemStruct);
2863     }
2864 #endif // USE_OWNER_DRAWN
2865
2866     return FALSE;
2867 }
2868
2869 bool wxWindow::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
2870 {
2871 #if wxUSE_OWNER_DRAWN
2872     // is it a menu item?
2873     if ( id == 0 )
2874     {
2875         MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
2876         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
2877
2878         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
2879
2880         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
2881                                         &pMeasureStruct->itemHeight);
2882     }
2883
2884     wxWindow *item = FindItem(id);
2885     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
2886     {
2887         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
2888     }
2889 #endif  // owner-drawn menus
2890     return FALSE;
2891 }
2892
2893 // ---------------------------------------------------------------------------
2894 // colours and palettes
2895 // ---------------------------------------------------------------------------
2896
2897 bool wxWindow::HandleSysColorChange()
2898 {
2899     wxSysColourChangedEvent event;
2900     event.SetEventObject(this);
2901
2902     return GetEventHandler()->ProcessEvent(event);
2903 }
2904
2905 bool wxWindow::HandleCtlColor(WXHBRUSH *brush,
2906                               WXHDC pDC,
2907                               WXHWND pWnd,
2908                               WXUINT nCtlColor,
2909                               WXUINT message,
2910                               WXWPARAM wParam,
2911                               WXLPARAM lParam)
2912 {
2913     WXHBRUSH hBrush = 0;
2914
2915     if ( nCtlColor == CTLCOLOR_DLG )
2916     {
2917         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
2918     }
2919     else
2920     {
2921         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
2922         if ( item )
2923             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
2924     }
2925
2926     if ( hBrush )
2927         *brush = hBrush;
2928
2929     return hBrush != 0;
2930 }
2931
2932 // Define for each class of dialog and control
2933 WXHBRUSH wxWindow::OnCtlColor(WXHDC hDC,
2934                               WXHWND hWnd,
2935                               WXUINT nCtlColor,
2936                               WXUINT message,
2937                               WXWPARAM wParam,
2938                               WXLPARAM lParam)
2939 {
2940     return (WXHBRUSH)0;
2941 }
2942
2943 bool wxWindow::HandlePaletteChanged(WXHWND hWndPalChange)
2944 {
2945     wxPaletteChangedEvent event(GetId());
2946     event.SetEventObject(this);
2947     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
2948
2949     return GetEventHandler()->ProcessEvent(event);
2950 }
2951
2952 bool wxWindow::HandleQueryNewPalette()
2953 {
2954     wxQueryNewPaletteEvent event(GetId());
2955     event.SetEventObject(this);
2956
2957     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
2958 }
2959
2960 // Responds to colour changes: passes event on to children.
2961 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
2962 {
2963     wxNode *node = GetChildren().First();
2964     while ( node )
2965     {
2966         // Only propagate to non-top-level windows
2967         wxWindow *win = (wxWindow *)node->Data();
2968         if ( win->GetParent() )
2969         {
2970             wxSysColourChangedEvent event2;
2971             event.m_eventObject = win;
2972             win->GetEventHandler()->ProcessEvent(event2);
2973         }
2974
2975         node = node->Next();
2976     }
2977 }
2978
2979 // ---------------------------------------------------------------------------
2980 // painting
2981 // ---------------------------------------------------------------------------
2982
2983 bool wxWindow::HandlePaint()
2984 {
2985 #ifdef __WIN32__
2986     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
2987     if ( !hRegion )
2988         wxLogLastError(wxT("CreateRectRgn"));
2989     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
2990         wxLogLastError(wxT("GetUpdateRgn"));
2991
2992     m_updateRegion = wxRegion((WXHRGN) hRegion);
2993 #else
2994     RECT updateRect;
2995     ::GetUpdateRect(GetHwnd(), & updateRect, FALSE);
2996
2997     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
2998                               updateRect.right - updateRect.left,
2999                               updateRect.bottom - updateRect.top);
3000 #endif
3001
3002     wxPaintEvent event(m_windowId);
3003     event.SetEventObject(this);
3004
3005     return GetEventHandler()->ProcessEvent(event);
3006 }
3007
3008 // Can be called from an application's OnPaint handler
3009 void wxWindow::OnPaint(wxPaintEvent& event)
3010 {
3011     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3012     if (hDC != 0)
3013     {
3014         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3015     }
3016 }
3017
3018 bool wxWindow::HandleEraseBkgnd(WXHDC hdc)
3019 {
3020     // Prevents flicker when dragging
3021     if ( ::IsIconic(GetHwnd()) )
3022         return TRUE;
3023
3024     wxDC dc;
3025
3026     dc.SetHDC(hdc);
3027     dc.SetWindow(this);
3028     dc.BeginDrawing();
3029
3030     wxEraseEvent event(m_windowId, &dc);
3031     event.SetEventObject(this);
3032     bool rc = GetEventHandler()->ProcessEvent(event);
3033
3034     dc.EndDrawing();
3035     dc.SelectOldObjects(hdc);
3036     dc.SetHDC((WXHDC) NULL);
3037
3038     return rc;
3039 }
3040
3041 void wxWindow::OnEraseBackground(wxEraseEvent& event)
3042 {
3043     RECT rect;
3044     ::GetClientRect(GetHwnd(), &rect);
3045
3046     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3047                               m_backgroundColour.Green(),
3048                               m_backgroundColour.Blue());
3049     HBRUSH hBrush = ::CreateSolidBrush(ref);
3050     if ( !hBrush )
3051         wxLogLastError(wxT("CreateSolidBrush"));
3052
3053     HDC hdc = (HDC)event.GetDC()->GetHDC();
3054
3055     int mode = ::SetMapMode(hdc, MM_TEXT);
3056
3057     ::FillRect(hdc, &rect, hBrush);
3058     ::DeleteObject(hBrush);
3059     ::SetMapMode(hdc, mode);
3060 }
3061
3062 // ---------------------------------------------------------------------------
3063 // moving and resizing
3064 // ---------------------------------------------------------------------------
3065
3066 bool wxWindow::HandleMinimize()
3067 {
3068     wxIconizeEvent event(m_windowId);
3069     event.SetEventObject(this);
3070
3071     return GetEventHandler()->ProcessEvent(event);
3072 }
3073
3074 bool wxWindow::HandleMaximize()
3075 {
3076     wxMaximizeEvent event(m_windowId);
3077     event.SetEventObject(this);
3078
3079     return GetEventHandler()->ProcessEvent(event);
3080 }
3081
3082 bool wxWindow::HandleMove(int x, int y)
3083 {
3084     wxMoveEvent event(wxPoint(x, y), m_windowId);
3085     event.SetEventObject(this);
3086
3087     return GetEventHandler()->ProcessEvent(event);
3088 }
3089
3090 bool wxWindow::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3091 {
3092     wxSizeEvent event(wxSize(w, h), m_windowId);
3093     event.SetEventObject(this);
3094
3095     return GetEventHandler()->ProcessEvent(event);
3096 }
3097
3098 bool wxWindow::HandleGetMinMaxInfo(void *mmInfo)
3099 {
3100     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3101
3102     bool rc = FALSE;
3103
3104     if ( m_minWidth != -1 )
3105     {
3106         info->ptMinTrackSize.x = m_minWidth;
3107         rc = TRUE;
3108     }
3109
3110     if ( m_minHeight != -1 )
3111     {
3112         info->ptMinTrackSize.y = m_minHeight;
3113         rc = TRUE;
3114     }
3115
3116     if ( m_maxWidth != -1 )
3117     {
3118         info->ptMaxTrackSize.x = m_maxWidth;
3119         rc = TRUE;
3120     }
3121
3122     if ( m_maxHeight != -1 )
3123     {
3124         info->ptMaxTrackSize.y = m_maxHeight;
3125         rc = TRUE;
3126     }
3127
3128     return rc;
3129 }
3130
3131 // generate an artificial resize event
3132 void wxWindow::SendSizeEvent()
3133 {
3134     RECT r;
3135 #ifdef __WIN16__
3136     ::GetWindowRect(GetHwnd(), &r);
3137 #else
3138     if ( !::GetWindowRect(GetHwnd(), &r) )
3139     {
3140         wxLogLastError(_T("GetWindowRect"));
3141     }
3142 #endif
3143
3144     (void)::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
3145                         MAKELPARAM(r.right - r.left, r.bottom - r.top));
3146 }
3147
3148 // ---------------------------------------------------------------------------
3149 // command messages
3150 // ---------------------------------------------------------------------------
3151
3152 bool wxWindow::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3153 {
3154     if ( wxCurrentPopupMenu )
3155     {
3156         wxMenu *popupMenu = wxCurrentPopupMenu;
3157         wxCurrentPopupMenu = NULL;
3158
3159         return popupMenu->MSWCommand(cmd, id);
3160     }
3161
3162     wxWindow *win = (wxWindow*) NULL;
3163     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3164     {
3165         // must cast to a signed type before comparing with other ids!
3166         win = FindItem((signed short)id);
3167     }
3168
3169     if (!win && control)
3170     {
3171         // find it from HWND - this works even with the broken programs using
3172         // the same ids for different controls
3173         win = wxFindWinFromHandle(control);
3174     }
3175
3176     if ( win )
3177     {
3178         return win->MSWCommand(cmd, id);
3179     }
3180
3181     // the messages sent from the in-place edit control used by the treectrl
3182     // for label editing have id == 0, but they should _not_ be treated as menu
3183     // messages (they are EN_XXX ones, in fact) so don't translate anything
3184     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3185     if ( !control )
3186     {
3187         // If no child window, it may be an accelerator, e.g. for a popup menu
3188         // command
3189
3190         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3191         event.SetEventObject(this);
3192         event.SetId(id);
3193         event.SetInt(id);
3194
3195         return GetEventHandler()->ProcessEvent(event);
3196     }
3197
3198     return FALSE;
3199 }
3200
3201 bool wxWindow::HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam)
3202 {
3203     // 4 bits are reserved
3204     switch ( wParam & 0xFFFFFFF0 )
3205     {
3206         case SC_MAXIMIZE:
3207             return HandleMaximize();
3208
3209         case SC_MINIMIZE:
3210             return HandleMinimize();
3211     }
3212
3213     return FALSE;
3214 }
3215
3216 // ---------------------------------------------------------------------------
3217 // mouse events
3218 // ---------------------------------------------------------------------------
3219
3220 void wxWindow::InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags)
3221 {
3222     event.m_x = x;
3223     event.m_y = y;
3224     event.m_shiftDown = ((flags & MK_SHIFT) != 0);
3225     event.m_controlDown = ((flags & MK_CONTROL) != 0);
3226     event.m_leftDown = ((flags & MK_LBUTTON) != 0);
3227     event.m_middleDown = ((flags & MK_MBUTTON) != 0);
3228     event.m_rightDown = ((flags & MK_RBUTTON) != 0);
3229     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3230     event.SetTimestamp(s_currentMsg.time);
3231     event.m_eventObject = this;
3232
3233 #if wxUSE_MOUSEEVENT_HACK
3234     m_lastMouseX = x;
3235     m_lastMouseY = y;
3236     m_lastMouseEvent = event.GetEventType();
3237 #endif // wxUSE_MOUSEEVENT_HACK
3238
3239 }
3240
3241 bool wxWindow::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3242 {
3243     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3244     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3245     // from the message id and take the value in the table to get wxWin event
3246     // id
3247     static const wxEventType eventsMouse[] =
3248     {
3249         wxEVT_MOTION,
3250         wxEVT_LEFT_DOWN,
3251         wxEVT_LEFT_UP,
3252         wxEVT_LEFT_DCLICK,
3253         wxEVT_RIGHT_DOWN,
3254         wxEVT_RIGHT_UP,
3255         wxEVT_RIGHT_DCLICK,
3256         wxEVT_MIDDLE_DOWN,
3257         wxEVT_MIDDLE_UP,
3258         wxEVT_MIDDLE_DCLICK
3259     };
3260
3261     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3262     InitMouseEvent(event, x, y, flags);
3263
3264     return GetEventHandler()->ProcessEvent(event);
3265 }
3266
3267 bool wxWindow::HandleMouseMove(int x, int y, WXUINT flags)
3268 {
3269     if ( !m_mouseInWindow )
3270     {
3271         // Generate an ENTER event
3272         m_mouseInWindow = TRUE;
3273
3274         wxMouseEvent event(wxEVT_ENTER_WINDOW);
3275         InitMouseEvent(event, x, y, flags);
3276
3277         (void)GetEventHandler()->ProcessEvent(event);
3278     }
3279
3280 #if wxUSE_MOUSEEVENT_HACK
3281     // Window gets a click down message followed by a mouse move message even
3282     // if position isn't changed!  We want to discard the trailing move event
3283     // if x and y are the same.
3284     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3285           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3286           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3287          (m_lastMouseX == event.m_x && m_lastMouseY == event.m_y) )
3288     {
3289         m_lastMouseEvent = wxEVT_MOTION;
3290
3291         return FALSE;
3292     }
3293 #endif // wxUSE_MOUSEEVENT_HACK
3294
3295     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3296 }
3297
3298 // ---------------------------------------------------------------------------
3299 // keyboard handling
3300 // ---------------------------------------------------------------------------
3301
3302 // create the key event of the given type for the given key - used by
3303 // HandleChar and HandleKeyDown/Up
3304 wxKeyEvent wxWindow::CreateKeyEvent(wxEventType evType,
3305                                     int id,
3306                                     WXLPARAM lParam) const
3307 {
3308     wxKeyEvent event(evType);
3309     event.SetId(GetId());
3310     event.m_shiftDown = wxIsShiftDown();
3311     event.m_controlDown = wxIsCtrlDown();
3312     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3313
3314     event.m_eventObject = (wxWindow *)this; // const_cast
3315     event.m_keyCode = id;
3316     event.SetTimestamp(s_currentMsg.time);
3317
3318     // translate the position to client coords
3319     POINT pt;
3320     GetCursorPos(&pt);
3321     RECT rect;
3322     GetWindowRect(GetHwnd(),&rect);
3323     pt.x -= rect.left;
3324     pt.y -= rect.top;
3325
3326     event.m_x = pt.x;
3327     event.m_y = pt.y;
3328
3329     return event;
3330 }
3331
3332 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3333 // WM_KEYDOWN one
3334 bool wxWindow::HandleChar(WXWORD wParam, WXLPARAM lParam, bool isASCII)
3335 {
3336     bool ctrlDown = FALSE;
3337
3338     int id;
3339     if ( isASCII )
3340     {
3341         // If 1 -> 26, translate to CTRL plus a letter.
3342         id = wParam;
3343         if ( (id > 0) && (id < 27) )
3344         {
3345             switch (id)
3346             {
3347                 case 13:
3348                     id = WXK_RETURN;
3349                     break;
3350
3351                 case 8:
3352                     id = WXK_BACK;
3353                     break;
3354
3355                 case 9:
3356                     id = WXK_TAB;
3357                     break;
3358
3359                 default:
3360                     ctrlDown = TRUE;
3361                     id = id + 96;
3362             }
3363         }
3364     }
3365     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3366     {
3367         // it's ASCII and will be processed here only when called from
3368         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3369         id = -1;
3370     }
3371
3372     if ( id != -1 )
3373     {
3374         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3375         if ( ctrlDown )
3376         {
3377             event.m_controlDown = TRUE;
3378         }
3379
3380         if ( GetEventHandler()->ProcessEvent(event) )
3381             return TRUE;
3382     }
3383
3384     return FALSE;
3385 }
3386
3387 bool wxWindow::HandleKeyDown(WXWORD wParam, WXLPARAM lParam)
3388 {
3389     int id = wxCharCodeMSWToWX(wParam);
3390
3391     if ( !id )
3392     {
3393         // normal ASCII char
3394         id = wParam;
3395     }
3396
3397     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3398     {
3399         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3400         if ( GetEventHandler()->ProcessEvent(event) )
3401         {
3402             return TRUE;
3403         }
3404     }
3405
3406     return FALSE;
3407 }
3408
3409 bool wxWindow::HandleKeyUp(WXWORD wParam, WXLPARAM lParam)
3410 {
3411     int id = wxCharCodeMSWToWX(wParam);
3412
3413     if ( !id )
3414     {
3415         // normal ASCII char
3416         id = wParam;
3417     }
3418
3419     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3420     {
3421         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3422         if ( GetEventHandler()->ProcessEvent(event) )
3423             return TRUE;
3424     }
3425
3426     return FALSE;
3427 }
3428
3429 // ---------------------------------------------------------------------------
3430 // joystick
3431 // ---------------------------------------------------------------------------
3432
3433 bool wxWindow::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3434 {
3435     int change = 0;
3436     if ( flags & JOY_BUTTON1CHG )
3437         change = wxJOY_BUTTON1;
3438     if ( flags & JOY_BUTTON2CHG )
3439         change = wxJOY_BUTTON2;
3440     if ( flags & JOY_BUTTON3CHG )
3441         change = wxJOY_BUTTON3;
3442     if ( flags & JOY_BUTTON4CHG )
3443         change = wxJOY_BUTTON4;
3444
3445     int buttons = 0;
3446     if ( flags & JOY_BUTTON1 )
3447         buttons |= wxJOY_BUTTON1;
3448     if ( flags & JOY_BUTTON2 )
3449         buttons |= wxJOY_BUTTON2;
3450     if ( flags & JOY_BUTTON3 )
3451         buttons |= wxJOY_BUTTON3;
3452     if ( flags & JOY_BUTTON4 )
3453         buttons |= wxJOY_BUTTON4;
3454
3455     // the event ids aren't consecutive so we can't use table based lookup
3456     int joystick;
3457     wxEventType eventType;
3458     switch ( msg )
3459     {
3460         case MM_JOY1MOVE:
3461             joystick = 1;
3462             eventType = wxEVT_JOY_MOVE;
3463             break;
3464
3465         case MM_JOY2MOVE:
3466             joystick = 2;
3467             eventType = wxEVT_JOY_MOVE;
3468             break;
3469
3470         case MM_JOY1ZMOVE:
3471             joystick = 1;
3472             eventType = wxEVT_JOY_ZMOVE;
3473             break;
3474
3475         case MM_JOY2ZMOVE:
3476             joystick = 2;
3477             eventType = wxEVT_JOY_ZMOVE;
3478             break;
3479
3480         case MM_JOY1BUTTONDOWN:
3481             joystick = 1;
3482             eventType = wxEVT_JOY_BUTTON_DOWN;
3483             break;
3484
3485         case MM_JOY2BUTTONDOWN:
3486             joystick = 2;
3487             eventType = wxEVT_JOY_BUTTON_DOWN;
3488             break;
3489
3490         case MM_JOY1BUTTONUP:
3491             joystick = 1;
3492             eventType = wxEVT_JOY_BUTTON_UP;
3493             break;
3494
3495         case MM_JOY2BUTTONUP:
3496             joystick = 2;
3497             eventType = wxEVT_JOY_BUTTON_UP;
3498             break;
3499
3500         default:
3501             wxFAIL_MSG(wxT("no such joystick event"));
3502
3503             return FALSE;
3504     }
3505
3506     wxJoystickEvent event(eventType, buttons, joystick, change);
3507     event.SetPosition(wxPoint(x, y));
3508     event.SetEventObject(this);
3509
3510     return GetEventHandler()->ProcessEvent(event);
3511 }
3512
3513 // ---------------------------------------------------------------------------
3514 // scrolling
3515 // ---------------------------------------------------------------------------
3516
3517 bool wxWindow::MSWOnScroll(int orientation, WXWORD wParam,
3518                            WXWORD pos, WXHWND control)
3519 {
3520     if ( control )
3521     {
3522         wxWindow *child = wxFindWinFromHandle(control);
3523         if ( child )
3524             return child->MSWOnScroll(orientation, wParam, pos, control);
3525     }
3526
3527     wxScrollWinEvent event;
3528     event.SetPosition(pos);
3529     event.SetOrientation(orientation);
3530     event.m_eventObject = this;
3531
3532     switch ( wParam )
3533     {
3534     case SB_TOP:
3535         event.m_eventType = wxEVT_SCROLLWIN_TOP;
3536         break;
3537
3538     case SB_BOTTOM:
3539         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
3540         break;
3541
3542     case SB_LINEUP:
3543         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
3544         break;
3545
3546     case SB_LINEDOWN:
3547         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
3548         break;
3549
3550     case SB_PAGEUP:
3551         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
3552         break;
3553
3554     case SB_PAGEDOWN:
3555         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
3556         break;
3557
3558     case SB_THUMBPOSITION:
3559     case SB_THUMBTRACK:
3560 #ifdef __WIN32__
3561         // under Win32, the scrollbar range and position are 32 bit integers,
3562         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
3563         // explicitly query the scrollbar for the correct position (this must
3564         // be done only for these two SB_ events as they are the only one
3565         // carrying the scrollbar position)
3566         {
3567             SCROLLINFO scrollInfo;
3568             wxZeroMemory(scrollInfo);
3569             scrollInfo.cbSize = sizeof(SCROLLINFO);
3570             scrollInfo.fMask = SIF_TRACKPOS;
3571
3572             if ( !::GetScrollInfo(GetHwnd(),
3573                                   orientation == wxHORIZONTAL ? SB_HORZ
3574                                                               : SB_VERT,
3575                                   &scrollInfo) )
3576             {
3577                 wxLogLastError(_T("GetScrollInfo"));
3578             }
3579
3580             event.SetPosition(scrollInfo.nTrackPos);
3581         }
3582 #endif // Win32
3583
3584         event.m_eventType = wParam == SB_THUMBPOSITION
3585                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
3586                                 : wxEVT_SCROLLWIN_THUMBTRACK;
3587         break;
3588
3589     default:
3590         return FALSE;
3591     }
3592
3593     return GetEventHandler()->ProcessEvent(event);
3594 }
3595
3596 // ===========================================================================
3597 // global functions
3598 // ===========================================================================
3599
3600 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
3601 {
3602     TEXTMETRIC tm;
3603     HDC dc = ::GetDC((HWND) wnd);
3604     HFONT fnt =0;
3605     HFONT was = 0;
3606     if ( the_font )
3607     {
3608         //    the_font->UseResource();
3609         //    the_font->RealizeResource();
3610         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
3611         if ( fnt )
3612             was = (HFONT) SelectObject(dc,fnt);
3613     }
3614     GetTextMetrics(dc, &tm);
3615     if ( the_font && fnt && was )
3616     {
3617         SelectObject(dc,was);
3618     }
3619     ReleaseDC((HWND)wnd, dc);
3620
3621     if ( x )
3622         *x = tm.tmAveCharWidth;
3623     if ( y )
3624         *y = tm.tmHeight + tm.tmExternalLeading;
3625
3626     //  if ( the_font )
3627     //    the_font->ReleaseResource();
3628 }
3629
3630 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
3631 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
3632 int wxCharCodeMSWToWX(int keySym)
3633 {
3634     int id;
3635     switch (keySym)
3636     {
3637         case VK_CANCEL:     id = WXK_CANCEL; break;
3638         case VK_BACK:       id = WXK_BACK; break;
3639         case VK_TAB:        id = WXK_TAB; break;
3640         case VK_CLEAR:      id = WXK_CLEAR; break;
3641         case VK_RETURN:     id = WXK_RETURN; break;
3642         case VK_SHIFT:      id = WXK_SHIFT; break;
3643         case VK_CONTROL:    id = WXK_CONTROL; break;
3644         case VK_MENU :      id = WXK_MENU; break;
3645         case VK_PAUSE:      id = WXK_PAUSE; break;
3646         case VK_SPACE:      id = WXK_SPACE; break;
3647         case VK_ESCAPE:     id = WXK_ESCAPE; break;
3648         case VK_PRIOR:      id = WXK_PRIOR; break;
3649         case VK_NEXT :      id = WXK_NEXT; break;
3650         case VK_END:        id = WXK_END; break;
3651         case VK_HOME :      id = WXK_HOME; break;
3652         case VK_LEFT :      id = WXK_LEFT; break;
3653         case VK_UP:         id = WXK_UP; break;
3654         case VK_RIGHT:      id = WXK_RIGHT; break;
3655         case VK_DOWN :      id = WXK_DOWN; break;
3656         case VK_SELECT:     id = WXK_SELECT; break;
3657         case VK_PRINT:      id = WXK_PRINT; break;
3658         case VK_EXECUTE:    id = WXK_EXECUTE; break;
3659         case VK_INSERT:     id = WXK_INSERT; break;
3660         case VK_DELETE:     id = WXK_DELETE; break;
3661         case VK_HELP :      id = WXK_HELP; break;
3662         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
3663         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
3664         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
3665         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
3666         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
3667         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
3668         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
3669         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
3670         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
3671         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
3672         case VK_MULTIPLY:   id = WXK_MULTIPLY; break;
3673         case 0xBB: // VK_OEM_PLUS
3674         case VK_ADD:        id = WXK_ADD; break;
3675         case 0xBD: // VK_OEM_MINUS
3676         case VK_SUBTRACT:   id = WXK_SUBTRACT; break;
3677         case 0xBE: // VK_OEM_PERIOD
3678         case VK_DECIMAL:    id = WXK_DECIMAL; break;
3679         case VK_DIVIDE:     id = WXK_DIVIDE; break;
3680         case VK_F1:         id = WXK_F1; break;
3681         case VK_F2:         id = WXK_F2; break;
3682         case VK_F3:         id = WXK_F3; break;
3683         case VK_F4:         id = WXK_F4; break;
3684         case VK_F5:         id = WXK_F5; break;
3685         case VK_F6:         id = WXK_F6; break;
3686         case VK_F7:         id = WXK_F7; break;
3687         case VK_F8:         id = WXK_F8; break;
3688         case VK_F9:         id = WXK_F9; break;
3689         case VK_F10:        id = WXK_F10; break;
3690         case VK_F11:        id = WXK_F11; break;
3691         case VK_F12:        id = WXK_F12; break;
3692         case VK_F13:        id = WXK_F13; break;
3693         case VK_F14:        id = WXK_F14; break;
3694         case VK_F15:        id = WXK_F15; break;
3695         case VK_F16:        id = WXK_F16; break;
3696         case VK_F17:        id = WXK_F17; break;
3697         case VK_F18:        id = WXK_F18; break;
3698         case VK_F19:        id = WXK_F19; break;
3699         case VK_F20:        id = WXK_F20; break;
3700         case VK_F21:        id = WXK_F21; break;
3701         case VK_F22:        id = WXK_F22; break;
3702         case VK_F23:        id = WXK_F23; break;
3703         case VK_F24:        id = WXK_F24; break;
3704         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
3705         case VK_SCROLL:     id = WXK_SCROLL; break;
3706         default:
3707             id = 0;
3708     }
3709
3710     return id;
3711 }
3712
3713 int wxCharCodeWXToMSW(int id, bool *isVirtual)
3714 {
3715     *isVirtual = TRUE;
3716     int keySym = 0;
3717     switch (id)
3718     {
3719     case WXK_CANCEL:    keySym = VK_CANCEL; break;
3720     case WXK_CLEAR:     keySym = VK_CLEAR; break;
3721     case WXK_SHIFT:     keySym = VK_SHIFT; break;
3722     case WXK_CONTROL:   keySym = VK_CONTROL; break;
3723     case WXK_MENU :     keySym = VK_MENU; break;
3724     case WXK_PAUSE:     keySym = VK_PAUSE; break;
3725     case WXK_PRIOR:     keySym = VK_PRIOR; break;
3726     case WXK_NEXT :     keySym = VK_NEXT; break;
3727     case WXK_END:       keySym = VK_END; break;
3728     case WXK_HOME :     keySym = VK_HOME; break;
3729     case WXK_LEFT :     keySym = VK_LEFT; break;
3730     case WXK_UP:        keySym = VK_UP; break;
3731     case WXK_RIGHT:     keySym = VK_RIGHT; break;
3732     case WXK_DOWN :     keySym = VK_DOWN; break;
3733     case WXK_SELECT:    keySym = VK_SELECT; break;
3734     case WXK_PRINT:     keySym = VK_PRINT; break;
3735     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
3736     case WXK_INSERT:    keySym = VK_INSERT; break;
3737     case WXK_DELETE:    keySym = VK_DELETE; break;
3738     case WXK_HELP :     keySym = VK_HELP; break;
3739     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
3740     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
3741     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
3742     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
3743     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
3744     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
3745     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
3746     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
3747     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
3748     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
3749     case WXK_MULTIPLY:  keySym = VK_MULTIPLY; break;
3750     case WXK_ADD:       keySym = VK_ADD; break;
3751     case WXK_SUBTRACT:  keySym = VK_SUBTRACT; break;
3752     case WXK_DECIMAL:   keySym = VK_DECIMAL; break;
3753     case WXK_DIVIDE:    keySym = VK_DIVIDE; break;
3754     case WXK_F1:        keySym = VK_F1; break;
3755     case WXK_F2:        keySym = VK_F2; break;
3756     case WXK_F3:        keySym = VK_F3; break;
3757     case WXK_F4:        keySym = VK_F4; break;
3758     case WXK_F5:        keySym = VK_F5; break;
3759     case WXK_F6:        keySym = VK_F6; break;
3760     case WXK_F7:        keySym = VK_F7; break;
3761     case WXK_F8:        keySym = VK_F8; break;
3762     case WXK_F9:        keySym = VK_F9; break;
3763     case WXK_F10:       keySym = VK_F10; break;
3764     case WXK_F11:       keySym = VK_F11; break;
3765     case WXK_F12:       keySym = VK_F12; break;
3766     case WXK_F13:       keySym = VK_F13; break;
3767     case WXK_F14:       keySym = VK_F14; break;
3768     case WXK_F15:       keySym = VK_F15; break;
3769     case WXK_F16:       keySym = VK_F16; break;
3770     case WXK_F17:       keySym = VK_F17; break;
3771     case WXK_F18:       keySym = VK_F18; break;
3772     case WXK_F19:       keySym = VK_F19; break;
3773     case WXK_F20:       keySym = VK_F20; break;
3774     case WXK_F21:       keySym = VK_F21; break;
3775     case WXK_F22:       keySym = VK_F22; break;
3776     case WXK_F23:       keySym = VK_F23; break;
3777     case WXK_F24:       keySym = VK_F24; break;
3778     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
3779     case WXK_SCROLL:    keySym = VK_SCROLL; break;
3780     default:
3781         {
3782             *isVirtual = FALSE;
3783             keySym = id;
3784             break;
3785         }
3786     }
3787     return keySym;
3788 }
3789
3790 wxWindow *wxGetActiveWindow()
3791 {
3792     HWND hWnd = GetActiveWindow();
3793     if ( hWnd != 0 )
3794     {
3795         return wxFindWinFromHandle((WXHWND) hWnd);
3796     }
3797     return NULL;
3798 }
3799
3800 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
3801 {
3802     HWND hwnd = (HWND)hWnd;
3803
3804     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
3805     // by code in msw/radiobox.cpp), for all the others we just search up the
3806     // window hierarchy
3807     wxWindow *win = (wxWindow *)NULL;
3808     if ( hwnd )
3809     {
3810         win = wxFindWinFromHandle((WXHWND)hwnd);
3811         if ( !win )
3812         {
3813             // the radiobox pointer is stored in GWL_USERDATA only under Win32
3814 #ifdef __WIN32__
3815             // native radiobuttons return DLGC_RADIOBUTTON here and for any
3816             // wxWindow class which overrides WM_GETDLGCODE processing to
3817             // do it as well, win would be already non NULL
3818             if ( ::SendMessage((HWND)hwnd, WM_GETDLGCODE,
3819                                0, 0) & DLGC_RADIOBUTTON )
3820             {
3821                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
3822             }
3823             else
3824 #endif // Win32
3825             {
3826                 // hwnd is not a wxWindow, try its parent next below
3827                 hwnd = ::GetParent(hwnd);
3828             }
3829         }
3830         //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
3831     }
3832
3833     while ( hwnd && !win )
3834     {
3835         win = wxFindWinFromHandle((WXHWND)hwnd);
3836         hwnd = ::GetParent(hwnd);
3837     }
3838
3839     return win;
3840 }
3841
3842 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
3843 // in active frames and dialogs, regardless of where the focus is.
3844 static HHOOK wxTheKeyboardHook = 0;
3845 static FARPROC wxTheKeyboardHookProc = 0;
3846 int APIENTRY _EXPORT
3847 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
3848
3849 void wxSetKeyboardHook(bool doIt)
3850 {
3851     if ( doIt )
3852     {
3853         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
3854         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
3855
3856 #if defined(__WIN32__) && !defined(__TWIN32__)
3857             GetCurrentThreadId()
3858         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
3859 #else
3860             GetCurrentTask()
3861 #endif
3862             );
3863     }
3864     else
3865     {
3866         UnhookWindowsHookEx(wxTheKeyboardHook);
3867         // avoids mingw warning about statement with no effect (FreeProcInstance
3868         // doesn't do anything under Win32)
3869 #ifndef __GNUC__
3870         FreeProcInstance(wxTheKeyboardHookProc);
3871 #endif
3872     }
3873 }
3874
3875 int APIENTRY _EXPORT
3876 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
3877 {
3878     DWORD hiWord = HIWORD(lParam);
3879     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
3880     {
3881         int id = wxCharCodeMSWToWX(wParam);
3882         if ( id != 0 )
3883         {
3884             wxKeyEvent event(wxEVT_CHAR_HOOK);
3885             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
3886                 event.m_altDown = TRUE;
3887
3888             event.m_eventObject = NULL;
3889             event.m_keyCode = id;
3890             event.m_shiftDown = wxIsShiftDown();
3891             event.m_controlDown = wxIsCtrlDown();
3892             event.SetTimestamp(s_currentMsg.time);
3893
3894             wxWindow *win = wxGetActiveWindow();
3895             wxEvtHandler *handler;
3896             if ( win )
3897             {
3898                 handler = win->GetEventHandler();
3899                 event.SetId(win->GetId());
3900             }
3901             else
3902             {
3903                 handler = wxTheApp;
3904                 event.SetId(-1);
3905             }
3906
3907             if ( handler && handler->ProcessEvent(event) )
3908             {
3909                 // processed
3910                 return 1;
3911             }
3912         }
3913     }
3914
3915     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
3916 }
3917
3918 #ifdef __WXDEBUG__
3919 const char *wxGetMessageName(int message)
3920 {
3921     switch ( message )
3922     {
3923         case 0x0000: return "WM_NULL";
3924         case 0x0001: return "WM_CREATE";
3925         case 0x0002: return "WM_DESTROY";
3926         case 0x0003: return "WM_MOVE";
3927         case 0x0005: return "WM_SIZE";
3928         case 0x0006: return "WM_ACTIVATE";
3929         case 0x0007: return "WM_SETFOCUS";
3930         case 0x0008: return "WM_KILLFOCUS";
3931         case 0x000A: return "WM_ENABLE";
3932         case 0x000B: return "WM_SETREDRAW";
3933         case 0x000C: return "WM_SETTEXT";
3934         case 0x000D: return "WM_GETTEXT";
3935         case 0x000E: return "WM_GETTEXTLENGTH";
3936         case 0x000F: return "WM_PAINT";
3937         case 0x0010: return "WM_CLOSE";
3938         case 0x0011: return "WM_QUERYENDSESSION";
3939         case 0x0012: return "WM_QUIT";
3940         case 0x0013: return "WM_QUERYOPEN";
3941         case 0x0014: return "WM_ERASEBKGND";
3942         case 0x0015: return "WM_SYSCOLORCHANGE";
3943         case 0x0016: return "WM_ENDSESSION";
3944         case 0x0017: return "WM_SYSTEMERROR";
3945         case 0x0018: return "WM_SHOWWINDOW";
3946         case 0x0019: return "WM_CTLCOLOR";
3947         case 0x001A: return "WM_WININICHANGE";
3948         case 0x001B: return "WM_DEVMODECHANGE";
3949         case 0x001C: return "WM_ACTIVATEAPP";
3950         case 0x001D: return "WM_FONTCHANGE";
3951         case 0x001E: return "WM_TIMECHANGE";
3952         case 0x001F: return "WM_CANCELMODE";
3953         case 0x0020: return "WM_SETCURSOR";
3954         case 0x0021: return "WM_MOUSEACTIVATE";
3955         case 0x0022: return "WM_CHILDACTIVATE";
3956         case 0x0023: return "WM_QUEUESYNC";
3957         case 0x0024: return "WM_GETMINMAXINFO";
3958         case 0x0026: return "WM_PAINTICON";
3959         case 0x0027: return "WM_ICONERASEBKGND";
3960         case 0x0028: return "WM_NEXTDLGCTL";
3961         case 0x002A: return "WM_SPOOLERSTATUS";
3962         case 0x002B: return "WM_DRAWITEM";
3963         case 0x002C: return "WM_MEASUREITEM";
3964         case 0x002D: return "WM_DELETEITEM";
3965         case 0x002E: return "WM_VKEYTOITEM";
3966         case 0x002F: return "WM_CHARTOITEM";
3967         case 0x0030: return "WM_SETFONT";
3968         case 0x0031: return "WM_GETFONT";
3969         case 0x0037: return "WM_QUERYDRAGICON";
3970         case 0x0039: return "WM_COMPAREITEM";
3971         case 0x0041: return "WM_COMPACTING";
3972         case 0x0044: return "WM_COMMNOTIFY";
3973         case 0x0046: return "WM_WINDOWPOSCHANGING";
3974         case 0x0047: return "WM_WINDOWPOSCHANGED";
3975         case 0x0048: return "WM_POWER";
3976
3977 #ifdef  __WIN32__
3978         case 0x004A: return "WM_COPYDATA";
3979         case 0x004B: return "WM_CANCELJOURNAL";
3980         case 0x004E: return "WM_NOTIFY";
3981         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
3982         case 0x0051: return "WM_INPUTLANGCHANGE";
3983         case 0x0052: return "WM_TCARD";
3984         case 0x0053: return "WM_HELP";
3985         case 0x0054: return "WM_USERCHANGED";
3986         case 0x0055: return "WM_NOTIFYFORMAT";
3987         case 0x007B: return "WM_CONTEXTMENU";
3988         case 0x007C: return "WM_STYLECHANGING";
3989         case 0x007D: return "WM_STYLECHANGED";
3990         case 0x007E: return "WM_DISPLAYCHANGE";
3991         case 0x007F: return "WM_GETICON";
3992         case 0x0080: return "WM_SETICON";
3993 #endif  //WIN32
3994
3995         case 0x0081: return "WM_NCCREATE";
3996         case 0x0082: return "WM_NCDESTROY";
3997         case 0x0083: return "WM_NCCALCSIZE";
3998         case 0x0084: return "WM_NCHITTEST";
3999         case 0x0085: return "WM_NCPAINT";
4000         case 0x0086: return "WM_NCACTIVATE";
4001         case 0x0087: return "WM_GETDLGCODE";
4002         case 0x00A0: return "WM_NCMOUSEMOVE";
4003         case 0x00A1: return "WM_NCLBUTTONDOWN";
4004         case 0x00A2: return "WM_NCLBUTTONUP";
4005         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4006         case 0x00A4: return "WM_NCRBUTTONDOWN";
4007         case 0x00A5: return "WM_NCRBUTTONUP";
4008         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4009         case 0x00A7: return "WM_NCMBUTTONDOWN";
4010         case 0x00A8: return "WM_NCMBUTTONUP";
4011         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4012         case 0x0100: return "WM_KEYDOWN";
4013         case 0x0101: return "WM_KEYUP";
4014         case 0x0102: return "WM_CHAR";
4015         case 0x0103: return "WM_DEADCHAR";
4016         case 0x0104: return "WM_SYSKEYDOWN";
4017         case 0x0105: return "WM_SYSKEYUP";
4018         case 0x0106: return "WM_SYSCHAR";
4019         case 0x0107: return "WM_SYSDEADCHAR";
4020         case 0x0108: return "WM_KEYLAST";
4021
4022 #ifdef  __WIN32__
4023         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4024         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4025         case 0x010F: return "WM_IME_COMPOSITION";
4026 #endif  //WIN32
4027
4028         case 0x0110: return "WM_INITDIALOG";
4029         case 0x0111: return "WM_COMMAND";
4030         case 0x0112: return "WM_SYSCOMMAND";
4031         case 0x0113: return "WM_TIMER";
4032         case 0x0114: return "WM_HSCROLL";
4033         case 0x0115: return "WM_VSCROLL";
4034         case 0x0116: return "WM_INITMENU";
4035         case 0x0117: return "WM_INITMENUPOPUP";
4036         case 0x011F: return "WM_MENUSELECT";
4037         case 0x0120: return "WM_MENUCHAR";
4038         case 0x0121: return "WM_ENTERIDLE";
4039         case 0x0200: return "WM_MOUSEMOVE";
4040         case 0x0201: return "WM_LBUTTONDOWN";
4041         case 0x0202: return "WM_LBUTTONUP";
4042         case 0x0203: return "WM_LBUTTONDBLCLK";
4043         case 0x0204: return "WM_RBUTTONDOWN";
4044         case 0x0205: return "WM_RBUTTONUP";
4045         case 0x0206: return "WM_RBUTTONDBLCLK";
4046         case 0x0207: return "WM_MBUTTONDOWN";
4047         case 0x0208: return "WM_MBUTTONUP";
4048         case 0x0209: return "WM_MBUTTONDBLCLK";
4049         case 0x0210: return "WM_PARENTNOTIFY";
4050         case 0x0211: return "WM_ENTERMENULOOP";
4051         case 0x0212: return "WM_EXITMENULOOP";
4052
4053 #ifdef  __WIN32__
4054         case 0x0213: return "WM_NEXTMENU";
4055         case 0x0214: return "WM_SIZING";
4056         case 0x0215: return "WM_CAPTURECHANGED";
4057         case 0x0216: return "WM_MOVING";
4058         case 0x0218: return "WM_POWERBROADCAST";
4059         case 0x0219: return "WM_DEVICECHANGE";
4060 #endif  //WIN32
4061
4062         case 0x0220: return "WM_MDICREATE";
4063         case 0x0221: return "WM_MDIDESTROY";
4064         case 0x0222: return "WM_MDIACTIVATE";
4065         case 0x0223: return "WM_MDIRESTORE";
4066         case 0x0224: return "WM_MDINEXT";
4067         case 0x0225: return "WM_MDIMAXIMIZE";
4068         case 0x0226: return "WM_MDITILE";
4069         case 0x0227: return "WM_MDICASCADE";
4070         case 0x0228: return "WM_MDIICONARRANGE";
4071         case 0x0229: return "WM_MDIGETACTIVE";
4072         case 0x0230: return "WM_MDISETMENU";
4073         case 0x0233: return "WM_DROPFILES";
4074
4075 #ifdef  __WIN32__
4076         case 0x0281: return "WM_IME_SETCONTEXT";
4077         case 0x0282: return "WM_IME_NOTIFY";
4078         case 0x0283: return "WM_IME_CONTROL";
4079         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4080         case 0x0285: return "WM_IME_SELECT";
4081         case 0x0286: return "WM_IME_CHAR";
4082         case 0x0290: return "WM_IME_KEYDOWN";
4083         case 0x0291: return "WM_IME_KEYUP";
4084 #endif  //WIN32
4085
4086         case 0x0300: return "WM_CUT";
4087         case 0x0301: return "WM_COPY";
4088         case 0x0302: return "WM_PASTE";
4089         case 0x0303: return "WM_CLEAR";
4090         case 0x0304: return "WM_UNDO";
4091         case 0x0305: return "WM_RENDERFORMAT";
4092         case 0x0306: return "WM_RENDERALLFORMATS";
4093         case 0x0307: return "WM_DESTROYCLIPBOARD";
4094         case 0x0308: return "WM_DRAWCLIPBOARD";
4095         case 0x0309: return "WM_PAINTCLIPBOARD";
4096         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4097         case 0x030B: return "WM_SIZECLIPBOARD";
4098         case 0x030C: return "WM_ASKCBFORMATNAME";
4099         case 0x030D: return "WM_CHANGECBCHAIN";
4100         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4101         case 0x030F: return "WM_QUERYNEWPALETTE";
4102         case 0x0310: return "WM_PALETTEISCHANGING";
4103         case 0x0311: return "WM_PALETTECHANGED";
4104
4105 #ifdef __WIN32__
4106         // common controls messages - although they're not strictly speaking
4107         // standard, it's nice to decode them nevertheless
4108
4109         // listview
4110         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4111         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4112         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4113         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4114         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4115         case 0x1000 + 5: return "LVM_GETITEMA";
4116         case 0x1000 + 75: return "LVM_GETITEMW";
4117         case 0x1000 + 6: return "LVM_SETITEMA";
4118         case 0x1000 + 76: return "LVM_SETITEMW";
4119         case 0x1000 + 7: return "LVM_INSERTITEMA";
4120         case 0x1000 + 77: return "LVM_INSERTITEMW";
4121         case 0x1000 + 8: return "LVM_DELETEITEM";
4122         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4123         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4124         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4125         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4126         case 0x1000 + 13: return "LVM_FINDITEMA";
4127         case 0x1000 + 83: return "LVM_FINDITEMW";
4128         case 0x1000 + 14: return "LVM_GETITEMRECT";
4129         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4130         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4131         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4132         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4133         case 0x1000 + 18: return "LVM_HITTEST";
4134         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4135         case 0x1000 + 20: return "LVM_SCROLL";
4136         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4137         case 0x1000 + 22: return "LVM_ARRANGE";
4138         case 0x1000 + 23: return "LVM_EDITLABELA";
4139         case 0x1000 + 118: return "LVM_EDITLABELW";
4140         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4141         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4142         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4143         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4144         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4145         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4146         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4147         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4148         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4149         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4150         case 0x1000 + 31: return "LVM_GETHEADER";
4151         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4152         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4153         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4154         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4155         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4156         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4157         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4158         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4159         case 0x1000 + 41: return "LVM_GETORIGIN";
4160         case 0x1000 + 42: return "LVM_UPDATE";
4161         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4162         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4163         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4164         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4165         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4166         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4167         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4168         case 0x1000 + 48: return "LVM_SORTITEMS";
4169         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4170         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4171         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4172         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4173         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4174         case 0x1000 + 53: return "LVM_SETICONSPACING";
4175         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4176         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4177         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4178         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4179         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4180         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4181         case 0x1000 + 60: return "LVM_SETHOTITEM";
4182         case 0x1000 + 61: return "LVM_GETHOTITEM";
4183         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4184         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4185         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4186         case 0x1000 + 65: return "LVM_SETWORKAREA";
4187
4188         // tree view
4189         case 0x1100 + 0: return "TVM_INSERTITEMA";
4190         case 0x1100 + 50: return "TVM_INSERTITEMW";
4191         case 0x1100 + 1: return "TVM_DELETEITEM";
4192         case 0x1100 + 2: return "TVM_EXPAND";
4193         case 0x1100 + 4: return "TVM_GETITEMRECT";
4194         case 0x1100 + 5: return "TVM_GETCOUNT";
4195         case 0x1100 + 6: return "TVM_GETINDENT";
4196         case 0x1100 + 7: return "TVM_SETINDENT";
4197         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4198         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4199         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4200         case 0x1100 + 11: return "TVM_SELECTITEM";
4201         case 0x1100 + 12: return "TVM_GETITEMA";
4202         case 0x1100 + 62: return "TVM_GETITEMW";
4203         case 0x1100 + 13: return "TVM_SETITEMA";
4204         case 0x1100 + 63: return "TVM_SETITEMW";
4205         case 0x1100 + 14: return "TVM_EDITLABELA";
4206         case 0x1100 + 65: return "TVM_EDITLABELW";
4207         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4208         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4209         case 0x1100 + 17: return "TVM_HITTEST";
4210         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4211         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4212         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4213         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4214         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4215         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4216         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4217         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4218         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4219
4220         // header
4221         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4222         case 0x1200 + 1: return "HDM_INSERTITEMA";
4223         case 0x1200 + 10: return "HDM_INSERTITEMW";
4224         case 0x1200 + 2: return "HDM_DELETEITEM";
4225         case 0x1200 + 3: return "HDM_GETITEMA";
4226         case 0x1200 + 11: return "HDM_GETITEMW";
4227         case 0x1200 + 4: return "HDM_SETITEMA";
4228         case 0x1200 + 12: return "HDM_SETITEMW";
4229         case 0x1200 + 5: return "HDM_LAYOUT";
4230         case 0x1200 + 6: return "HDM_HITTEST";
4231         case 0x1200 + 7: return "HDM_GETITEMRECT";
4232         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4233         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4234         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4235         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4236         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4237         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4238         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4239
4240         // tab control
4241         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4242         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4243         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4244         case 0x1300 + 5: return "TCM_GETITEMA";
4245         case 0x1300 + 60: return "TCM_GETITEMW";
4246         case 0x1300 + 6: return "TCM_SETITEMA";
4247         case 0x1300 + 61: return "TCM_SETITEMW";
4248         case 0x1300 + 7: return "TCM_INSERTITEMA";
4249         case 0x1300 + 62: return "TCM_INSERTITEMW";
4250         case 0x1300 + 8: return "TCM_DELETEITEM";
4251         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4252         case 0x1300 + 10: return "TCM_GETITEMRECT";
4253         case 0x1300 + 11: return "TCM_GETCURSEL";
4254         case 0x1300 + 12: return "TCM_SETCURSEL";
4255         case 0x1300 + 13: return "TCM_HITTEST";
4256         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4257         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4258         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4259         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4260         case 0x1300 + 43: return "TCM_SETPADDING";
4261         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4262         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4263         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4264         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4265         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4266         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4267         case 0x1300 + 50: return "TCM_DESELECTALL";
4268
4269         // toolbar
4270         case WM_USER+1: return "TB_ENABLEBUTTON";
4271         case WM_USER+2: return "TB_CHECKBUTTON";
4272         case WM_USER+3: return "TB_PRESSBUTTON";
4273         case WM_USER+4: return "TB_HIDEBUTTON";
4274         case WM_USER+5: return "TB_INDETERMINATE";
4275         case WM_USER+9: return "TB_ISBUTTONENABLED";
4276         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4277         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4278         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4279         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4280         case WM_USER+17: return "TB_SETSTATE";
4281         case WM_USER+18: return "TB_GETSTATE";
4282         case WM_USER+19: return "TB_ADDBITMAP";
4283         case WM_USER+20: return "TB_ADDBUTTONS";
4284         case WM_USER+21: return "TB_INSERTBUTTON";
4285         case WM_USER+22: return "TB_DELETEBUTTON";
4286         case WM_USER+23: return "TB_GETBUTTON";
4287         case WM_USER+24: return "TB_BUTTONCOUNT";
4288         case WM_USER+25: return "TB_COMMANDTOINDEX";
4289         case WM_USER+26: return "TB_SAVERESTOREA";
4290         case WM_USER+76: return "TB_SAVERESTOREW";
4291         case WM_USER+27: return "TB_CUSTOMIZE";
4292         case WM_USER+28: return "TB_ADDSTRINGA";
4293         case WM_USER+77: return "TB_ADDSTRINGW";
4294         case WM_USER+29: return "TB_GETITEMRECT";
4295         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4296         case WM_USER+31: return "TB_SETBUTTONSIZE";
4297         case WM_USER+32: return "TB_SETBITMAPSIZE";
4298         case WM_USER+33: return "TB_AUTOSIZE";
4299         case WM_USER+35: return "TB_GETTOOLTIPS";
4300         case WM_USER+36: return "TB_SETTOOLTIPS";
4301         case WM_USER+37: return "TB_SETPARENT";
4302         case WM_USER+39: return "TB_SETROWS";
4303         case WM_USER+40: return "TB_GETROWS";
4304         case WM_USER+42: return "TB_SETCMDID";
4305         case WM_USER+43: return "TB_CHANGEBITMAP";
4306         case WM_USER+44: return "TB_GETBITMAP";
4307         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4308         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4309         case WM_USER+46: return "TB_REPLACEBITMAP";
4310         case WM_USER+47: return "TB_SETINDENT";
4311         case WM_USER+48: return "TB_SETIMAGELIST";
4312         case WM_USER+49: return "TB_GETIMAGELIST";
4313         case WM_USER+50: return "TB_LOADIMAGES";
4314         case WM_USER+51: return "TB_GETRECT";
4315         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4316         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4317         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4318         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4319         case WM_USER+56: return "TB_SETSTYLE";
4320         case WM_USER+57: return "TB_GETSTYLE";
4321         case WM_USER+58: return "TB_GETBUTTONSIZE";
4322         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4323         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4324         case WM_USER+61: return "TB_GETTEXTROWS";
4325         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4326
4327 #endif //WIN32
4328
4329         default:
4330             static char s_szBuf[128];
4331             sprintf(s_szBuf, "<unknown message = %d>", message);
4332             return s_szBuf;
4333     }
4334 }
4335 #endif //__WXDEBUG__
4336
4337 static void TranslateKbdEventToMouse(wxWindow *win, int *x, int *y, WPARAM *flags)
4338 {
4339     // construct the key mask
4340     WPARAM& fwKeys = *flags;
4341
4342     fwKeys = MK_RBUTTON;
4343     if ( wxIsCtrlDown() )
4344         fwKeys |= MK_CONTROL;
4345     if ( wxIsShiftDown() )
4346         fwKeys |= MK_SHIFT;
4347
4348     // simulate right mouse button click
4349     DWORD dwPos = ::GetMessagePos();
4350     *x = GET_X_LPARAM(dwPos);
4351     *y = GET_Y_LPARAM(dwPos);
4352
4353     win->ScreenToClient(x, y);
4354 }
4355
4356 static TEXTMETRIC wxGetTextMetrics(const wxWindow *win)
4357 {
4358     // prepare the DC
4359     TEXTMETRIC tm;
4360     HWND hwnd = GetHwndOf(win);
4361     HDC hdc = ::GetDC(hwnd);
4362
4363 #if !wxDIALOG_UNIT_COMPATIBILITY
4364     // and select the current font into it
4365     HFONT hfont = GetHfontOf(win->GetFont());
4366     if ( hfont )
4367     {
4368         hfont = (HFONT)::SelectObject(hdc, hfont);
4369     }
4370 #endif
4371
4372     // finally retrieve the text metrics from it
4373     GetTextMetrics(hdc, &tm);
4374
4375 #if !wxDIALOG_UNIT_COMPATIBILITY
4376     // and clean up
4377     if ( hfont )
4378     {
4379         (void)::SelectObject(hdc, hfont);
4380     }
4381 #endif
4382
4383     ::ReleaseDC(hwnd, hdc);
4384
4385     return tm;
4386 }
4387
4388 // Find the wxWindow at the current mouse position, returning the mouse
4389 // position.
4390 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
4391 {
4392     return wxFindWindowAtPoint(wxGetMousePosition());
4393 }
4394
4395 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4396 {
4397     POINT pt2;
4398     pt2.x = pt.x;
4399     pt2.y = pt.y;
4400     HWND hWndHit = ::WindowFromPoint(pt2);
4401
4402     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4403     HWND hWnd = hWndHit;
4404
4405     // Try to find a window with a wxWindow associated with it
4406     while (!win && (hWnd != 0))
4407     {
4408         hWnd = ::GetParent(hWnd);
4409         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4410     }
4411     return win;
4412 }
4413
4414 // Get the current mouse position.
4415 wxPoint wxGetMousePosition()
4416 {
4417     POINT pt;
4418     GetCursorPos( & pt );
4419     return wxPoint(pt.x, pt.y);
4420 }
4421