src/msw/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34     #include "wx/window.h"
  35     #include "wx/accel.h"
  36     #include "wx/setup.h"
  37     #include "wx/menu.h"
  38     #include "wx/dc.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/utils.h"
  41     #include "wx/app.h"
  42     #include "wx/panel.h"
  43     #include "wx/layout.h"
  44     #include "wx/dialog.h"
  45     #include "wx/frame.h"
  46     #include "wx/listbox.h"
  47     #include "wx/button.h"
  48     #include "wx/msgdlg.h"
  49     #include "wx/settings.h"
  50
  51     #include <stdio.h>
  52 #endif
  53
  54 #if wxUSE_OWNER_DRAWN
  55     #include "wx/ownerdrw.h"
  56 #endif
  57
  58 #if wxUSE_DRAG_AND_DROP
  59     #include "wx/dnd.h"
  60 #endif
  61
  62 #include "wx/menuitem.h"
  63 #include "wx/log.h"
  64
  65 #include "wx/msw/private.h"
  66
  67 #if wxUSE_TOOLTIPS
  68     #include "wx/tooltip.h"
  69 #endif
  70
  71 #if wxUSE_CARET
  72     #include "wx/caret.h"
  73 #endif // wxUSE_CARET
  74
  75 #if wxUSE_SPINCTRL
  76     #include "wx/spinctrl.h"
  77 #endif // wxUSE_SPINCTRL
  78
  79 #include "wx/intl.h"
  80 #include "wx/log.h"
  81
  82 #include "wx/textctrl.h"
  83 #include "wx/notebook.h"
  84
  85 #include <string.h>
  86
  87 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  88     #include <shellapi.h>
  89     #include <mmsystem.h>
  90 #endif
  91
  92 #ifdef __WIN32__
  93     #include <windowsx.h>
  94 #endif
  95
  96 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  97     #ifdef __WIN95__
  98         #include <commctrl.h>
  99     #endif
 100 #elif !defined(__WXMICROWIN__) // broken compiler
 101     #ifndef __TWIN32__
 102         #include "wx/msw/gnuwin32/extra.h"
 103     #endif
 104 #endif
 105
 106 // This didn't appear in mingw until 2.95.2
 107 #ifndef SIF_TRACKPOS
 108 #define SIF_TRACKPOS 16
 109 #endif
 110
 111 #if wxUSE_MOUSEWHEEL
 112     #ifndef WM_MOUSEWHEEL
 113         #define WM_MOUSEWHEEL           0x020A
 114     #endif
 115     #ifndef WHEEL_DELTA
 116         #define WHEEL_DELTA             120
 117     #endif
 118     #ifndef SPI_GETWHEELSCROLLLINES
 119         #define SPI_GETWHEELSCROLLLINES 104
 120     #endif
 121 #endif
 122
 123
 124 // ---------------------------------------------------------------------------
 125 // global variables
 126 // ---------------------------------------------------------------------------
 127
 128 // the last Windows message we got (MT-UNSAFE)
 129 extern MSG s_currentMsg;
 130
 131 #if wxUSE_MENUS_NATIVE
 132 wxMenu *wxCurrentPopupMenu = NULL;
 133 #endif // wxUSE_MENUS_NATIVE
 134
 135 extern wxList WXDLLEXPORT wxPendingDelete;
 136 extern const wxChar *wxCanvasClassName;
 137
 138 // ---------------------------------------------------------------------------
 139 // private functions
 140 // ---------------------------------------------------------------------------
 141
 142 // the window proc for all our windows
 143 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 144                                    WPARAM wParam, LPARAM lParam);
 145
 146 #ifdef  __WXDEBUG__
 147     const char *wxGetMessageName(int message);
 148 #endif  //__WXDEBUG__
 149
 150 void wxRemoveHandleAssociation(wxWindowMSW *win);
 151 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 152 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 153
 154 // this magical function is used to translate VK_APPS key presses to right
 155 // mouse clicks
 156 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 157                                      int *x, int *y, WPARAM *flags);
 158
 159 // get the text metrics for the current font
 160 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 161
 162 // check if the mouse is in the window or its child
 163 static bool IsMouseInWindow(HWND hwnd);
 164
 165 // ---------------------------------------------------------------------------
 166 // event tables
 167 // ---------------------------------------------------------------------------
 168
 169 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 170 // method
 171 #ifdef __WXUNIVERSAL__
 172     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 173 #else // __WXMSW__
 174     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 175 #endif // __WXUNIVERSAL__/__WXMSW__
 176
 177 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 178     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 179     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 180     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 181     EVT_IDLE(wxWindowMSW::OnIdle)
 182     EVT_SET_FOCUS(wxWindowMSW::OnSetFocus)
 183 END_EVENT_TABLE()
 184
 185 // ===========================================================================
 186 // implementation
 187 // ===========================================================================
 188
 189 // ---------------------------------------------------------------------------
 190 // wxWindow utility functions
 191 // ---------------------------------------------------------------------------
 192
 193 // Find an item given the MS Windows id
 194 wxWindow *wxWindowMSW::FindItem(long id) const
 195 {
 196 #if wxUSE_CONTROLS
 197     wxControl *item = wxDynamicThisCast(this, wxControl);
 198     if ( item )
 199     {
 200         // is it we or one of our "internal" children?
 201         if ( item->GetId() == id
 202 #ifndef __WXUNIVERSAL__
 203                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 204 #endif // __WXUNIVERSAL__
 205            )
 206         {
 207             return item;
 208         }
 209     }
 210 #endif // wxUSE_CONTROLS
 211
 212     wxWindowList::Node *current = GetChildren().GetFirst();
 213     while (current)
 214     {
 215         wxWindow *childWin = current->GetData();
 216
 217         wxWindow *wnd = childWin->FindItem(id);
 218         if ( wnd )
 219             return wnd;
 220
 221         current = current->GetNext();
 222     }
 223
 224     return NULL;
 225 }
 226
 227 // Find an item given the MS Windows handle
 228 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 229 {
 230     wxWindowList::Node *current = GetChildren().GetFirst();
 231     while (current)
 232     {
 233         wxWindow *parent = current->GetData();
 234
 235         // Do a recursive search.
 236         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 237         if ( wnd )
 238             return wnd;
 239
 240         if ( !controlOnly
 241 #if wxUSE_CONTROLS
 242                 || parent->IsKindOf(CLASSINFO(wxControl))
 243 #endif // wxUSE_CONTROLS
 244            )
 245         {
 246             wxWindow *item = current->GetData();
 247             if ( item->GetHWND() == hWnd )
 248                 return item;
 249             else
 250             {
 251                 if ( item->ContainsHWND(hWnd) )
 252                     return item;
 253             }
 254         }
 255
 256         current = current->GetNext();
 257     }
 258     return NULL;
 259 }
 260
 261 // Default command handler
 262 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 263 {
 264     return FALSE;
 265 }
 266
 267 // ----------------------------------------------------------------------------
 268 // constructors and such
 269 // ----------------------------------------------------------------------------
 270
 271 void wxWindowMSW::Init()
 272 {
 273     // generic
 274     InitBase();
 275
 276     // MSW specific
 277     m_doubleClickAllowed = 0;
 278
 279     m_isBeingDeleted = FALSE;
 280     m_oldWndProc = 0;
 281     m_useCtl3D = FALSE;
 282     m_mouseInWindow = FALSE;
 283
 284     // wxWnd
 285     m_hMenu = 0;
 286
 287     m_hWnd = 0;
 288
 289     // pass WM_GETDLGCODE to DefWindowProc()
 290     m_lDlgCode = 0;
 291
 292     m_xThumbSize = 0;
 293     m_yThumbSize = 0;
 294     m_backgroundTransparent = FALSE;
 295
 296     // as all windows are created with WS_VISIBLE style...
 297     m_isShown = TRUE;
 298
 299 #if wxUSE_MOUSEEVENT_HACK
 300     m_lastMouseX =
 301     m_lastMouseY = -1;
 302     m_lastMouseEvent = -1;
 303 #endif // wxUSE_MOUSEEVENT_HACK
 304 }
 305
 306 // Destructor
 307 wxWindowMSW::~wxWindowMSW()
 308 {
 309     m_isBeingDeleted = TRUE;
 310
 311     MSWDetachWindowMenu();
 312
 313     // VS: make sure there's no wxFrame with last focus set to us:
 314     for (wxWindow *win = GetParent(); win; win = win->GetParent())
 315     {
 316         wxFrame *frame = wxDynamicCast(win, wxFrame);
 317         if ( frame )
 318         {
 319             if ( frame->GetLastFocus() == this )
 320                 frame->SetLastFocus((wxWindow*)NULL);
 321             break;
 322         }
 323     }
 324
 325     // VS: destroy children first and _then_ detach *this from its parent.
 326     //     If we'd do it the other way around, children wouldn't be able
 327     //     find their parent frame (see above).
 328     DestroyChildren();
 329
 330     if ( m_parent )
 331         m_parent->RemoveChild(this);
 332
 333     if ( m_hWnd )
 334     {
 335         // VZ: test temp removed to understand what really happens here
 336         //if (::IsWindow(GetHwnd()))
 337         {
 338             if ( !::DestroyWindow(GetHwnd()) )
 339                 wxLogLastError(wxT("DestroyWindow"));
 340         }
 341
 342         // remove hWnd <-> wxWindow association
 343         wxRemoveHandleAssociation(this);
 344     }
 345 }
 346
 347 // real construction (Init() must have been called before!)
 348 bool wxWindowMSW::Create(wxWindow *parent,
 349                          wxWindowID id,
 350                          const wxPoint& pos,
 351                          const wxSize& size,
 352                          long style,
 353                          const wxString& name)
 354 {
 355     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 356
 357     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 358         return FALSE;
 359
 360     parent->AddChild(this);
 361
 362     // all windows are created visible
 363     DWORD msflags = WS_CHILD | WS_VISIBLE;
 364
 365 #ifdef __WXUNIVERSAL__
 366     // no 3d effects, we draw them ourselves
 367     WXDWORD exStyle = 0;
 368 #else // !wxUniversal
 369     if ( style & wxCLIP_CHILDREN )
 370         msflags |= WS_CLIPCHILDREN;
 371     if ( style & wxCLIP_SIBLINGS )
 372         msflags |= WS_CLIPSIBLINGS;
 373
 374     bool want3D;
 375     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 376
 377     // Even with extended styles, need to combine with WS_BORDER
 378     // for them to look right.
 379     if ( want3D ||
 380         (m_windowStyle & (wxBORDER |
 381                           wxSIMPLE_BORDER |
 382                           wxRAISED_BORDER |
 383                           wxSUNKEN_BORDER |
 384                           wxDOUBLE_BORDER)) )
 385     {
 386         msflags |= WS_BORDER;
 387     }
 388
 389     // calculate the value to return from WM_GETDLGCODE handler
 390     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 391     {
 392         // want everything: i.e. all keys and WM_CHAR message
 393         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 394                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 395     }
 396 #endif // wxUniversal/!wxUniversal
 397
 398     if ( style & wxPOPUP_WINDOW )
 399     {
 400         // a popup window floats on top of everything
 401         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 402
 403         // it is also created hidden as other top level windows
 404         msflags &= ~WS_VISIBLE;
 405         m_isShown = FALSE;
 406     }
 407
 408     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 409                      (wxWindow *)this, NULL,
 410                      pos.x, pos.y,
 411                      WidthDefault(size.x), HeightDefault(size.y),
 412                      msflags, NULL, exStyle);
 413 }
 414
 415 // ---------------------------------------------------------------------------
 416 // basic operations
 417 // ---------------------------------------------------------------------------
 418
 419 void wxWindowMSW::SetFocus()
 420 {
 421     HWND hWnd = GetHwnd();
 422     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 423
 424     ::SetLastError(0);
 425
 426     if ( !::SetFocus(hWnd) )
 427     {
 428         // was there really an error?
 429         DWORD dwRes = ::GetLastError();
 430         if ( dwRes )
 431         {
 432             wxLogApiError(_T("SetFocus"), dwRes);
 433         }
 434
 435         // VZ: just why does this happen sometimes?? any idea?
 436 #if 0
 437         HWND hwndFocus = ::GetFocus();
 438         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 439 #endif // 0
 440     }
 441 }
 442
 443 // Get the window with the focus
 444 wxWindow *wxWindowBase::FindFocus()
 445 {
 446     HWND hWnd = ::GetFocus();
 447     if ( hWnd )
 448     {
 449         return wxGetWindowFromHWND((WXHWND)hWnd);
 450     }
 451
 452     return NULL;
 453 }
 454
 455 bool wxWindowMSW::Enable(bool enable)
 456 {
 457     if ( !wxWindowBase::Enable(enable) )
 458         return FALSE;
 459
 460     HWND hWnd = GetHwnd();
 461     if ( hWnd )
 462         ::EnableWindow(hWnd, (BOOL)enable);
 463
 464     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 465     //     disabled controls and disable it - you really wouldn't like the
 466     //     disabled controls be reenabled too when you reenable the dialog!
 467 #if 0
 468     wxWindowList::Node *node = GetChildren().GetFirst();
 469     while ( node )
 470     {
 471         wxWindow *child = node->GetData();
 472         child->Enable(enable);
 473
 474         node = node->GetNext();
 475     }
 476 #endif // 0
 477
 478     return TRUE;
 479 }
 480
 481 bool wxWindowMSW::Show(bool show)
 482 {
 483     if ( !wxWindowBase::Show(show) )
 484         return FALSE;
 485
 486     HWND hWnd = GetHwnd();
 487     int cshow = show ? SW_SHOW : SW_HIDE;
 488     ::ShowWindow(hWnd, cshow);
 489
 490     if ( show )
 491     {
 492         BringWindowToTop(hWnd);
 493     }
 494
 495     return TRUE;
 496 }
 497
 498 // Raise the window to the top of the Z order
 499 void wxWindowMSW::Raise()
 500 {
 501 #ifdef __WIN16__
 502     ::BringWindowToTop(GetHwnd());
 503 #else // Win32
 504     ::SetForegroundWindow(GetHwnd());
 505 #endif
 506 }
 507
 508 // Lower the window to the bottom of the Z order
 509 void wxWindowMSW::Lower()
 510 {
 511     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 512                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 513 }
 514
 515 void wxWindowMSW::SetTitle( const wxString& title)
 516 {
 517     SetWindowText(GetHwnd(), title.c_str());
 518 }
 519
 520 wxString wxWindowMSW::GetTitle() const
 521 {
 522     return wxGetWindowText(GetHWND());
 523 }
 524
 525 void wxWindowMSW::CaptureMouse()
 526 {
 527     HWND hWnd = GetHwnd();
 528     if ( hWnd )
 529     {
 530         ::SetCapture(hWnd);
 531     }
 532 }
 533
 534 void wxWindowMSW::ReleaseMouse()
 535 {
 536     if ( !::ReleaseCapture() )
 537     {
 538         wxLogLastError(_T("ReleaseCapture"));
 539     }
 540 }
 541
 542 /* static */ wxWindow *wxWindowBase::GetCapture()
 543 {
 544     HWND hwnd = ::GetCapture();
 545     return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
 546 }
 547
 548 bool wxWindowMSW::SetFont(const wxFont& font)
 549 {
 550     if ( !wxWindowBase::SetFont(font) )
 551     {
 552         // nothing to do
 553         return FALSE;
 554     }
 555
 556     HWND hWnd = GetHwnd();
 557     if ( hWnd != 0 )
 558     {
 559         WXHANDLE hFont = m_font.GetResourceHandle();
 560
 561         wxASSERT_MSG( hFont, wxT("should have valid font") );
 562
 563         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 564     }
 565
 566     return TRUE;
 567 }
 568 bool wxWindowMSW::SetCursor(const wxCursor& cursor)
 569 {
 570     if ( !wxWindowBase::SetCursor(cursor) )
 571     {
 572         // no change
 573         return FALSE;
 574     }
 575
 576     if ( m_cursor.Ok() )
 577     {
 578         HWND hWnd = GetHwnd();
 579
 580         // Change the cursor NOW if we're within the correct window
 581         POINT point;
 582         ::GetCursorPos(&point);
 583
 584         RECT rect;
 585         ::GetWindowRect(hWnd, &rect);
 586
 587         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 588             ::SetCursor(GetHcursorOf(m_cursor));
 589     }
 590
 591     return TRUE;
 592 }
 593
 594 void wxWindowMSW::WarpPointer (int x, int y)
 595 {
 596     ClientToScreen(&x, &y);
 597
 598     if ( !::SetCursorPos(x, y) )
 599     {
 600         wxLogLastError(_T("SetCursorPos"));
 601     }
 602 }
 603
 604 #if WXWIN_COMPATIBILITY
 605 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 606 {
 607 }
 608 #endif // WXWIN_COMPATIBILITY
 609
 610 // ---------------------------------------------------------------------------
 611 // scrolling stuff
 612 // ---------------------------------------------------------------------------
 613
 614 #if WXWIN_COMPATIBILITY
 615 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 616 {
 617 #if defined(__WIN95__)
 618
 619     int range1 = range;
 620
 621     // Try to adjust the range to cope with page size > 1
 622     // - a Windows API quirk
 623     int pageSize = GetScrollPage(orient);
 624     if ( pageSize > 1 && range > 0)
 625     {
 626         range1 += (pageSize - 1);
 627     }
 628
 629     SCROLLINFO info;
 630     int dir;
 631
 632     if ( orient == wxHORIZONTAL ) {
 633         dir = SB_HORZ;
 634     } else {
 635         dir = SB_VERT;
 636     }
 637
 638     info.cbSize = sizeof(SCROLLINFO);
 639     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 640     info.nMin = 0;
 641     info.nMax = range1;
 642     info.nPos = 0;
 643     info.fMask = SIF_RANGE | SIF_PAGE;
 644
 645     HWND hWnd = GetHwnd();
 646     if ( hWnd )
 647         ::SetScrollInfo(hWnd, dir, &info, refresh);
 648 #else
 649     int wOrient;
 650     if ( orient == wxHORIZONTAL )
 651         wOrient = SB_HORZ;
 652     else
 653         wOrient = SB_VERT;
 654
 655     HWND hWnd = GetHwnd();
 656     if ( hWnd )
 657         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 658 #endif
 659 }
 660
 661 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 662 {
 663 #if defined(__WIN95__)
 664     SCROLLINFO info;
 665     int dir;
 666
 667     if ( orient == wxHORIZONTAL ) {
 668         dir = SB_HORZ;
 669         m_xThumbSize = page;
 670     } else {
 671         dir = SB_VERT;
 672         m_yThumbSize = page;
 673     }
 674
 675     info.cbSize = sizeof(SCROLLINFO);
 676     info.nPage = page;
 677     info.nMin = 0;
 678     info.fMask = SIF_PAGE;
 679
 680     HWND hWnd = GetHwnd();
 681     if ( hWnd )
 682         ::SetScrollInfo(hWnd, dir, &info, refresh);
 683 #else
 684     if ( orient == wxHORIZONTAL )
 685         m_xThumbSize = page;
 686     else
 687         m_yThumbSize = page;
 688 #endif
 689 }
 690
 691 int wxWindowMSW::OldGetScrollRange(int orient) const
 692 {
 693     int wOrient;
 694     if ( orient == wxHORIZONTAL )
 695         wOrient = SB_HORZ;
 696     else
 697         wOrient = SB_VERT;
 698
 699 #if __WATCOMC__ && defined(__WINDOWS_386__)
 700     short minPos, maxPos;
 701 #else
 702     int minPos, maxPos;
 703 #endif
 704     HWND hWnd = GetHwnd();
 705     if ( hWnd )
 706     {
 707         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 708 #if defined(__WIN95__)
 709         // Try to adjust the range to cope with page size > 1
 710         // - a Windows API quirk
 711         int pageSize = GetScrollPage(orient);
 712         if ( pageSize > 1 )
 713         {
 714             maxPos -= (pageSize - 1);
 715         }
 716 #endif
 717         return maxPos;
 718     }
 719     else
 720         return 0;
 721 }
 722
 723 int wxWindowMSW::GetScrollPage(int orient) const
 724 {
 725     if ( orient == wxHORIZONTAL )
 726         return m_xThumbSize;
 727     else
 728         return m_yThumbSize;
 729 }
 730
 731 #endif // WXWIN_COMPATIBILITY
 732
 733 int wxWindowMSW::GetScrollPos(int orient) const
 734 {
 735     int wOrient;
 736     if ( orient == wxHORIZONTAL )
 737         wOrient = SB_HORZ;
 738     else
 739         wOrient = SB_VERT;
 740     HWND hWnd = GetHwnd();
 741     if ( hWnd )
 742     {
 743 #ifdef __WXMICROWIN__
 744         return ::GetScrollPosWX(hWnd, wOrient);
 745 #else
 746         return ::GetScrollPos(hWnd, wOrient);
 747 #endif
 748     }
 749     else
 750         return 0;
 751 }
 752
 753 // This now returns the whole range, not just the number
 754 // of positions that we can scroll.
 755 int wxWindowMSW::GetScrollRange(int orient) const
 756 {
 757     int wOrient;
 758     if ( orient == wxHORIZONTAL )
 759         wOrient = SB_HORZ;
 760     else
 761         wOrient = SB_VERT;
 762
 763 #if __WATCOMC__ && defined(__WINDOWS_386__)
 764     short minPos, maxPos;
 765 #else
 766     int minPos, maxPos;
 767 #endif
 768     HWND hWnd = GetHwnd();
 769     if ( hWnd )
 770     {
 771         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 772 #if defined(__WIN95__)
 773         // Try to adjust the range to cope with page size > 1
 774         // - a Windows API quirk
 775         int pageSize = GetScrollThumb(orient);
 776         if ( pageSize > 1 )
 777         {
 778             maxPos -= (pageSize - 1);
 779         }
 780         // October 10th: new range concept.
 781         maxPos += pageSize;
 782 #endif
 783
 784         return maxPos;
 785     }
 786     else
 787         return 0;
 788 }
 789
 790 int wxWindowMSW::GetScrollThumb(int orient) const
 791 {
 792     if ( orient == wxHORIZONTAL )
 793         return m_xThumbSize;
 794     else
 795         return m_yThumbSize;
 796 }
 797
 798 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 799 {
 800 #if defined(__WIN95__)
 801     SCROLLINFO info;
 802     int dir;
 803
 804     if ( orient == wxHORIZONTAL ) {
 805         dir = SB_HORZ;
 806     } else {
 807         dir = SB_VERT;
 808     }
 809
 810     info.cbSize = sizeof(SCROLLINFO);
 811     info.nPage = 0;
 812     info.nMin = 0;
 813     info.nPos = pos;
 814     info.fMask = SIF_POS;
 815
 816     HWND hWnd = GetHwnd();
 817     if ( hWnd )
 818         ::SetScrollInfo(hWnd, dir, &info, refresh);
 819 #else
 820     int wOrient;
 821     if ( orient == wxHORIZONTAL )
 822         wOrient = SB_HORZ;
 823     else
 824         wOrient = SB_VERT;
 825
 826     HWND hWnd = GetHwnd();
 827     if ( hWnd )
 828         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 829 #endif
 830 }
 831
 832 // New function that will replace some of the above.
 833 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 834                             int range, bool refresh)
 835 {
 836 #if defined(__WIN95__)
 837     int oldRange = range - thumbVisible;
 838
 839     int range1 = oldRange;
 840
 841     // Try to adjust the range to cope with page size > 1
 842     // - a Windows API quirk
 843     int pageSize = thumbVisible;
 844     if ( pageSize > 1 && range > 0)
 845     {
 846         range1 += (pageSize - 1);
 847     }
 848
 849     SCROLLINFO info;
 850     int dir;
 851
 852     if ( orient == wxHORIZONTAL ) {
 853         dir = SB_HORZ;
 854     } else {
 855         dir = SB_VERT;
 856     }
 857
 858     info.cbSize = sizeof(SCROLLINFO);
 859     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 860     info.nMin = 0;
 861     info.nMax = range1;
 862     info.nPos = pos;
 863     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 864
 865     HWND hWnd = GetHwnd();
 866     if ( hWnd )
 867         ::SetScrollInfo(hWnd, dir, &info, refresh);
 868 #else
 869     int wOrient;
 870     if ( orient == wxHORIZONTAL )
 871         wOrient = SB_HORZ;
 872     else
 873         wOrient = SB_VERT;
 874
 875     HWND hWnd = GetHwnd();
 876     if ( hWnd )
 877     {
 878         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 879         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 880     }
 881 #endif
 882     if ( orient == wxHORIZONTAL ) {
 883         m_xThumbSize = thumbVisible;
 884     } else {
 885         m_yThumbSize = thumbVisible;
 886     }
 887 }
 888
 889 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 890 {
 891     RECT rect;
 892     if ( prect )
 893     {
 894         rect.left = prect->x;
 895         rect.top = prect->y;
 896         rect.right = prect->x + prect->width;
 897         rect.bottom = prect->y + prect->height;
 898     }
 899
 900     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 901 }
 902
 903 // ---------------------------------------------------------------------------
 904 // subclassing
 905 // ---------------------------------------------------------------------------
 906
 907 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 908 {
 909     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 910
 911     HWND hwnd = (HWND)hWnd;
 912     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 913
 914     wxAssociateWinWithHandle(hwnd, this);
 915
 916     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 917     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 918 }
 919
 920 void wxWindowMSW::UnsubclassWin()
 921 {
 922     wxRemoveHandleAssociation(this);
 923
 924     // Restore old Window proc
 925     HWND hwnd = GetHwnd();
 926     if ( hwnd )
 927     {
 928         m_hWnd = 0;
 929
 930         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
 931
 932         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 933         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
 934         {
 935             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
 936             m_oldWndProc = 0;
 937         }
 938     }
 939 }
 940
 941 // Make a Windows extended style from the given wxWindows window style
 942 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
 943 {
 944     WXDWORD exStyle = 0;
 945     if ( style & wxTRANSPARENT_WINDOW )
 946         exStyle |= WS_EX_TRANSPARENT;
 947
 948     if ( !eliminateBorders )
 949     {
 950         if ( style & wxSUNKEN_BORDER )
 951             exStyle |= WS_EX_CLIENTEDGE;
 952         if ( style & wxDOUBLE_BORDER )
 953             exStyle |= WS_EX_DLGMODALFRAME;
 954 #if defined(__WIN95__)
 955         if ( style & wxRAISED_BORDER )
 956             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
 957             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
 958         if ( style & wxSTATIC_BORDER )
 959             exStyle |= WS_EX_STATICEDGE;
 960 #endif
 961     }
 962     return exStyle;
 963 }
 964
 965 // Determines whether native 3D effects or CTL3D should be used,
 966 // applying a default border style if required, and returning an extended
 967 // style to pass to CreateWindowEx.
 968 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
 969                                      bool *want3D) const
 970 {
 971     // If matches certain criteria, then assume no 3D effects
 972     // unless specifically requested (dealt with in MakeExtendedStyle)
 973     if ( !GetParent()
 974 #if wxUSE_CONTROLS
 975             || !IsKindOf(CLASSINFO(wxControl))
 976 #endif // wxUSE_CONTROLS
 977             || (m_windowStyle & wxNO_BORDER) )
 978     {
 979         *want3D = FALSE;
 980         return MakeExtendedStyle(m_windowStyle, FALSE);
 981     }
 982
 983     // Determine whether we should be using 3D effects or not.
 984     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
 985
 986     // 1) App can specify global 3D effects
 987     *want3D = wxTheApp->GetAuto3D();
 988
 989     // 2) If the parent is being drawn with user colours, or simple border specified,
 990     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
 991     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
 992         *want3D = FALSE;
 993
 994     // 3) Control can override this global setting by defining
 995     // a border style, e.g. wxSUNKEN_BORDER
 996     if ( m_windowStyle & wxSUNKEN_BORDER  )
 997         *want3D = TRUE;
 998
 999     // 4) If it's a special border, CTL3D can't cope so we want a native border
1000     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1001         (m_windowStyle & wxSTATIC_BORDER) )
1002     {
1003         *want3D = TRUE;
1004         nativeBorder = TRUE;
1005     }
1006
1007     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1008     // effects from extended style
1009 #if wxUSE_CTL3D
1010     if ( *want3D )
1011         nativeBorder = FALSE;
1012 #endif
1013
1014     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1015
1016     // If we want 3D, but haven't specified a border here,
1017     // apply the default border style specified.
1018     // TODO what about non-Win95 WIN32? Does it have borders?
1019 #if defined(__WIN95__) && !wxUSE_CTL3D
1020     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1021         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1022         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1023 #endif
1024
1025     return exStyle;
1026 }
1027
1028 #if WXWIN_COMPATIBILITY
1029 // If nothing defined for this, try the parent.
1030 // E.g. we may be a button loaded from a resource, with no callback function
1031 // defined.
1032 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1033 {
1034     if ( GetEventHandler()->ProcessEvent(event)  )
1035         return;
1036     if ( m_parent )
1037         m_parent->GetEventHandler()->OnCommand(win, event);
1038 }
1039 #endif // WXWIN_COMPATIBILITY_2
1040
1041 #if WXWIN_COMPATIBILITY
1042 wxObject* wxWindowMSW::GetChild(int number) const
1043 {
1044     // Return a pointer to the Nth object in the Panel
1045     wxNode *node = GetChildren().First();
1046     int n = number;
1047     while (node && n--)
1048         node = node->Next();
1049     if ( node )
1050     {
1051         wxObject *obj = (wxObject *)node->Data();
1052         return(obj);
1053     }
1054     else
1055         return NULL;
1056 }
1057 #endif // WXWIN_COMPATIBILITY
1058
1059 // Setup background and foreground colours correctly
1060 void wxWindowMSW::SetupColours()
1061 {
1062     if ( GetParent() )
1063         SetBackgroundColour(GetParent()->GetBackgroundColour());
1064 }
1065
1066 bool wxWindowMSW::IsMouseInWindow() const
1067 {
1068     // get the mouse position
1069     POINT pt;
1070     ::GetCursorPos(&pt);
1071
1072     // find the window which currently has the cursor and go up the window
1073     // chain until we find this window - or exhaust it
1074     HWND hwnd = ::WindowFromPoint(pt);
1075     while ( hwnd && (hwnd != GetHwnd()) )
1076         hwnd = ::GetParent(hwnd);
1077
1078     return hwnd != NULL;
1079 }
1080
1081 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1082 {
1083     // Check if we need to send a LEAVE event
1084     if ( m_mouseInWindow )
1085     {
1086         if ( !IsMouseInWindow() )
1087         {
1088             // Generate a LEAVE event
1089             m_mouseInWindow = FALSE;
1090
1091             // Unfortunately the mouse button and keyboard state may have
1092             // changed by the time the OnIdle function is called, so 'state'
1093             // may be meaningless.
1094             int state = 0;
1095             if ( wxIsShiftDown() )
1096                 state |= MK_SHIFT;
1097             if ( wxIsCtrlDown() )
1098                 state |= MK_CONTROL;
1099             if ( GetKeyState( VK_LBUTTON ) )
1100                 state |= MK_LBUTTON;
1101             if ( GetKeyState( VK_MBUTTON ) )
1102                 state |= MK_MBUTTON;
1103             if ( GetKeyState( VK_RBUTTON ) )
1104                 state |= MK_RBUTTON;
1105
1106             POINT pt;
1107             if ( !::GetCursorPos(&pt) )
1108             {
1109                 wxLogLastError(_T("GetCursorPos"));
1110             }
1111
1112             // we need to have client coordinates here for symmetry with
1113             // wxEVT_ENTER_WINDOW
1114             RECT rect;
1115             if ( !::GetWindowRect(GetHwnd(), &rect) )
1116             {
1117                 wxLogLastError(_T("GetWindowRect"));
1118             }
1119             pt.x -= rect.left;
1120             pt.y -= rect.top;
1121
1122             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1123             InitMouseEvent(event2, pt.x, pt.y, state);
1124
1125             (void)GetEventHandler()->ProcessEvent(event2);
1126         }
1127     }
1128
1129     UpdateWindowUI();
1130 }
1131
1132 // Set this window to be the child of 'parent'.
1133 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1134 {
1135     if ( !wxWindowBase::Reparent(parent) )
1136         return FALSE;
1137
1138     HWND hWndChild = GetHwnd();
1139     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1140
1141     ::SetParent(hWndChild, hWndParent);
1142
1143     return TRUE;
1144 }
1145
1146 void wxWindowMSW::Clear()
1147 {
1148     wxClientDC dc((wxWindow *)this);
1149     wxBrush brush(GetBackgroundColour(), wxSOLID);
1150     dc.SetBackground(brush);
1151     dc.Clear();
1152 }
1153
1154 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1155 {
1156     HWND hWnd = GetHwnd();
1157     if ( hWnd )
1158     {
1159         if ( rect )
1160         {
1161             RECT mswRect;
1162             mswRect.left = rect->x;
1163             mswRect.top = rect->y;
1164             mswRect.right = rect->x + rect->width;
1165             mswRect.bottom = rect->y + rect->height;
1166
1167             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1168         }
1169         else
1170             ::InvalidateRect(hWnd, NULL, eraseBack);
1171     }
1172 }
1173
1174 void wxWindowMSW::Update()
1175 {
1176     if ( !::UpdateWindow(GetHwnd()) )
1177     {
1178         wxLogLastError(_T("UpdateWindow"));
1179     }
1180
1181 #ifdef __WIN32__
1182     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1183     // handler needs to be really drawn right now
1184     (void)::GdiFlush();
1185 #endif // __WIN32__
1186 }
1187
1188 // ---------------------------------------------------------------------------
1189 // drag and drop
1190 // ---------------------------------------------------------------------------
1191
1192 #if wxUSE_DRAG_AND_DROP
1193
1194 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1195 {
1196     if ( m_dropTarget != 0 ) {
1197         m_dropTarget->Revoke(m_hWnd);
1198         delete m_dropTarget;
1199     }
1200
1201     m_dropTarget = pDropTarget;
1202     if ( m_dropTarget != 0 )
1203         m_dropTarget->Register(m_hWnd);
1204 }
1205
1206 #endif // wxUSE_DRAG_AND_DROP
1207
1208 // old style file-manager drag&drop support: we retain the old-style
1209 // DragAcceptFiles in parallel with SetDropTarget.
1210 void wxWindowMSW::DragAcceptFiles(bool accept)
1211 {
1212     HWND hWnd = GetHwnd();
1213     if ( hWnd )
1214         ::DragAcceptFiles(hWnd, (BOOL)accept);
1215 }
1216
1217 // ----------------------------------------------------------------------------
1218 // tooltips
1219 // ----------------------------------------------------------------------------
1220
1221 #if wxUSE_TOOLTIPS
1222
1223 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1224 {
1225     wxWindowBase::DoSetToolTip(tooltip);
1226
1227     if ( m_tooltip )
1228         m_tooltip->SetWindow(this);
1229 }
1230
1231 #endif // wxUSE_TOOLTIPS
1232
1233 // ---------------------------------------------------------------------------
1234 // moving and resizing
1235 // ---------------------------------------------------------------------------
1236
1237 // Get total size
1238 void wxWindowMSW::DoGetSize(int *x, int *y) const
1239 {
1240     HWND hWnd = GetHwnd();
1241     RECT rect;
1242 #ifdef __WIN16__
1243     ::GetWindowRect(hWnd, &rect);
1244 #else
1245     if ( !::GetWindowRect(hWnd, &rect) )
1246     {
1247         wxLogLastError(_T("GetWindowRect"));
1248     }
1249 #endif
1250     if ( x )
1251         *x = rect.right - rect.left;
1252     if ( y )
1253         *y = rect.bottom - rect.top;
1254 }
1255
1256 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1257 {
1258     HWND hWnd = GetHwnd();
1259
1260     RECT rect;
1261     GetWindowRect(hWnd, &rect);
1262
1263     POINT point;
1264     point.x = rect.left;
1265     point.y = rect.top;
1266
1267     // we do the adjustments with respect to the parent only for the "real"
1268     // children, not for the dialogs/frames
1269     if ( !IsTopLevel() )
1270     {
1271         HWND hParentWnd = 0;
1272         wxWindow *parent = GetParent();
1273         if ( parent )
1274             hParentWnd = GetWinHwnd(parent);
1275
1276         // Since we now have the absolute screen coords, if there's a parent we
1277         // must subtract its top left corner
1278         if ( hParentWnd )
1279         {
1280             ::ScreenToClient(hParentWnd, &point);
1281         }
1282
1283         if ( parent )
1284         {
1285             // We may be faking the client origin. So a window that's really at (0,
1286             // 30) may appear (to wxWin apps) to be at (0, 0).
1287             wxPoint pt(parent->GetClientAreaOrigin());
1288             point.x -= pt.x;
1289             point.y -= pt.y;
1290         }
1291     }
1292
1293     if ( x )
1294         *x = point.x;
1295     if ( y )
1296         *y = point.y;
1297 }
1298
1299 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1300 {
1301     POINT pt;
1302     if ( x )
1303         pt.x = *x;
1304     if ( y )
1305         pt.y = *y;
1306
1307     HWND hWnd = GetHwnd();
1308     ::ScreenToClient(hWnd, &pt);
1309
1310     if ( x )
1311         *x = pt.x;
1312     if ( y )
1313         *y = pt.y;
1314 }
1315
1316 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1317 {
1318     POINT pt;
1319     if ( x )
1320         pt.x = *x;
1321     if ( y )
1322         pt.y = *y;
1323
1324     HWND hWnd = GetHwnd();
1325     ::ClientToScreen(hWnd, &pt);
1326
1327     if ( x )
1328         *x = pt.x;
1329     if ( y )
1330         *y = pt.y;
1331 }
1332
1333 // Get size *available for subwindows* i.e. excluding menu bar etc.
1334 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1335 {
1336     HWND hWnd = GetHwnd();
1337     RECT rect;
1338     ::GetClientRect(hWnd, &rect);
1339     if ( x )
1340         *x = rect.right;
1341     if ( y )
1342         *y = rect.bottom;
1343 }
1344
1345 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1346 {
1347     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1348     {
1349         wxLogLastError(wxT("MoveWindow"));
1350     }
1351 }
1352
1353 // set the size of the window: if the dimensions are positive, just use them,
1354 // but if any of them is equal to -1, it means that we must find the value for
1355 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1356 // which case -1 is a valid value for x and y)
1357 //
1358 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1359 // the width/height to best suit our contents, otherwise we reuse the current
1360 // width/height
1361 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1362 {
1363     // get the current size and position...
1364     int currentX, currentY;
1365     GetPosition(&currentX, &currentY);
1366     int currentW,currentH;
1367     GetSize(&currentW, &currentH);
1368
1369     // ... and don't do anything (avoiding flicker) if it's already ok
1370     if ( x == currentX && y == currentY &&
1371          width == currentW && height == currentH )
1372     {
1373         return;
1374     }
1375
1376     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1377         x = currentX;
1378     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1379         y = currentY;
1380
1381     AdjustForParentClientOrigin(x, y, sizeFlags);
1382
1383     wxSize size(-1, -1);
1384     if ( width == -1 )
1385     {
1386         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1387         {
1388             size = DoGetBestSize();
1389             width = size.x;
1390         }
1391         else
1392         {
1393             // just take the current one
1394             width = currentW;
1395         }
1396     }
1397
1398     if ( height == -1 )
1399     {
1400         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1401         {
1402             if ( size.x == -1 )
1403             {
1404                 size = DoGetBestSize();
1405             }
1406             //else: already called DoGetBestSize() above
1407
1408             height = size.y;
1409         }
1410         else
1411         {
1412             // just take the current one
1413             height = currentH;
1414         }
1415     }
1416
1417     DoMoveWindow(x, y, width, height);
1418 }
1419
1420 void wxWindowMSW::DoSetClientSize(int width, int height)
1421 {
1422     wxWindow *parent = GetParent();
1423     HWND hWnd = GetHwnd();
1424     HWND hParentWnd = (HWND) 0;
1425     if ( parent )
1426         hParentWnd = (HWND) parent->GetHWND();
1427
1428     RECT rect;
1429     ::GetClientRect(hWnd, &rect);
1430
1431     RECT rect2;
1432     GetWindowRect(hWnd, &rect2);
1433
1434     // Find the difference between the entire window (title bar and all)
1435     // and the client area; add this to the new client size to move the
1436     // window
1437     int actual_width = rect2.right - rect2.left - rect.right + width;
1438     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1439
1440     // If there's a parent, must subtract the parent's top left corner
1441     // since MoveWindow moves relative to the parent
1442
1443     POINT point;
1444     point.x = rect2.left;
1445     point.y = rect2.top;
1446     if ( parent )
1447     {
1448         ::ScreenToClient(hParentWnd, &point);
1449     }
1450
1451     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1452
1453     wxSizeEvent event(wxSize(width, height), m_windowId);
1454     event.SetEventObject(this);
1455     GetEventHandler()->ProcessEvent(event);
1456 }
1457
1458 // For implementation purposes - sometimes decorations make the client area
1459 // smaller
1460 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1461 {
1462     return wxPoint(0, 0);
1463 }
1464
1465 // Makes an adjustment to the window position (for example, a frame that has
1466 // a toolbar that it manages itself).
1467 void wxWindowMSW::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1468 {
1469     // don't do it for the dialogs/frames - they float independently of their
1470     // parent
1471     if ( !IsTopLevel() )
1472     {
1473         wxWindow *parent = GetParent();
1474         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1475         {
1476             wxPoint pt(parent->GetClientAreaOrigin());
1477             x += pt.x;
1478             y += pt.y;
1479         }
1480     }
1481 }
1482
1483 // ---------------------------------------------------------------------------
1484 // text metrics
1485 // ---------------------------------------------------------------------------
1486
1487 int wxWindowMSW::GetCharHeight() const
1488 {
1489     return wxGetTextMetrics(this).tmHeight;
1490 }
1491
1492 int wxWindowMSW::GetCharWidth() const
1493 {
1494     // +1 is needed because Windows apparently adds it when calculating the
1495     // dialog units size in pixels
1496 #if wxDIALOG_UNIT_COMPATIBILITY
1497     return wxGetTextMetrics(this).tmAveCharWidth;
1498 #else
1499     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1500 #endif
1501 }
1502
1503 void wxWindowMSW::GetTextExtent(const wxString& string,
1504                              int *x, int *y,
1505                              int *descent, int *externalLeading,
1506                              const wxFont *theFont) const
1507 {
1508     const wxFont *fontToUse = theFont;
1509     if ( !fontToUse )
1510         fontToUse = &m_font;
1511
1512     HWND hWnd = GetHwnd();
1513     HDC dc = ::GetDC(hWnd);
1514
1515     HFONT fnt = 0;
1516     HFONT hfontOld = 0;
1517     if ( fontToUse && fontToUse->Ok() )
1518     {
1519         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1520         if ( fnt )
1521             hfontOld = (HFONT)SelectObject(dc,fnt);
1522     }
1523
1524     SIZE sizeRect;
1525     TEXTMETRIC tm;
1526     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1527     GetTextMetrics(dc, &tm);
1528
1529     if ( fontToUse && fnt && hfontOld )
1530         SelectObject(dc, hfontOld);
1531
1532     ReleaseDC(hWnd, dc);
1533
1534     if ( x )
1535         *x = sizeRect.cx;
1536     if ( y )
1537         *y = sizeRect.cy;
1538     if ( descent )
1539         *descent = tm.tmDescent;
1540     if ( externalLeading )
1541         *externalLeading = tm.tmExternalLeading;
1542 }
1543
1544 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1545 // ---------------------------------------------------------------------------
1546 // Caret manipulation
1547 // ---------------------------------------------------------------------------
1548
1549 void wxWindowMSW::CreateCaret(int w, int h)
1550 {
1551     SetCaret(new wxCaret(this, w, h));
1552 }
1553
1554 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1555 {
1556     wxFAIL_MSG("not implemented");
1557 }
1558
1559 void wxWindowMSW::ShowCaret(bool show)
1560 {
1561     wxCHECK_RET( m_caret, "no caret to show" );
1562
1563     m_caret->Show(show);
1564 }
1565
1566 void wxWindowMSW::DestroyCaret()
1567 {
1568     SetCaret(NULL);
1569 }
1570
1571 void wxWindowMSW::SetCaretPos(int x, int y)
1572 {
1573     wxCHECK_RET( m_caret, "no caret to move" );
1574
1575     m_caret->Move(x, y);
1576 }
1577
1578 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1579 {
1580     wxCHECK_RET( m_caret, "no caret to get position of" );
1581
1582     m_caret->GetPosition(x, y);
1583 }
1584 #endif // wxUSE_CARET
1585
1586 // ---------------------------------------------------------------------------
1587 // popup menu
1588 // ---------------------------------------------------------------------------
1589
1590 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1591 // immediately, without waiting for the next event loop iteration
1592 //
1593 // NB: this function should probably be made public later as it can almost
1594 //     surely replace wxYield() elsewhere as well
1595 static void wxYieldForCommandsOnly()
1596 {
1597     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1598     // want to process it here)
1599     MSG msg;
1600     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1601                 && msg.message != WM_QUIT )
1602     {
1603         wxTheApp->DoMessage((WXMSG *)&msg);
1604     }
1605 }
1606
1607 #if wxUSE_MENUS_NATIVE
1608
1609 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1610 {
1611     menu->SetInvokingWindow(this);
1612     menu->UpdateUI();
1613
1614     HWND hWnd = GetHwnd();
1615     HMENU hMenu = GetHmenuOf(menu);
1616     POINT point;
1617     point.x = x;
1618     point.y = y;
1619     ::ClientToScreen(hWnd, &point);
1620     wxCurrentPopupMenu = menu;
1621     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1622
1623     // we need to do it righ now as otherwise the events are never going to be
1624     // sent to wxCurrentPopupMenu from HandleCommand()
1625     //
1626     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1627     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1628     // destroyed as soon as we return (it can be a local variable in the caller
1629     // for example) and so we do need to process the event immediately
1630     wxYieldForCommandsOnly();
1631
1632     wxCurrentPopupMenu = NULL;
1633
1634     menu->SetInvokingWindow(NULL);
1635
1636     return TRUE;
1637 }
1638
1639 #endif // wxUSE_MENUS_NATIVE
1640
1641 // ===========================================================================
1642 // pre/post message processing
1643 // ===========================================================================
1644
1645 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1646 {
1647     if ( m_oldWndProc )
1648         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1649     else
1650         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1651 }
1652
1653 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1654 {
1655     // wxUniversal implements tab traversal itself
1656 #ifndef __WXUNIVERSAL__
1657     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1658     {
1659         // intercept dialog navigation keys
1660         MSG *msg = (MSG *)pMsg;
1661
1662         // here we try to do all the job which ::IsDialogMessage() usually does
1663         // internally
1664 #if 1
1665         bool bProcess = TRUE;
1666         if ( msg->message != WM_KEYDOWN )
1667             bProcess = FALSE;
1668
1669         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1670             bProcess = FALSE;
1671
1672         if ( bProcess )
1673         {
1674             bool bCtrlDown = wxIsCtrlDown();
1675             bool bShiftDown = wxIsShiftDown();
1676
1677             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1678             // don't process it if it's the case (except for Ctrl-Tab/Enter
1679             // combinations which are always processed)
1680             LONG lDlgCode = 0;
1681             if ( !bCtrlDown )
1682             {
1683                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1684             }
1685
1686             bool bForward = TRUE,
1687                  bWindowChange = FALSE;
1688
1689             switch ( msg->wParam )
1690             {
1691                 case VK_TAB:
1692                     // assume that nobody wants Shift-TAB for himself - if we
1693                     // don't do it there is no easy way for a control to grab
1694                     // TABs but still let Shift-TAB work as navugation key
1695                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1696                         bProcess = FALSE;
1697                     }
1698                     else {
1699                         // Ctrl-Tab cycles thru notebook pages
1700                         bWindowChange = bCtrlDown;
1701                         bForward = !bShiftDown;
1702                     }
1703                     break;
1704
1705                 case VK_UP:
1706                 case VK_LEFT:
1707                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1708                         bProcess = FALSE;
1709                     else
1710                         bForward = FALSE;
1711                     break;
1712
1713                 case VK_DOWN:
1714                 case VK_RIGHT:
1715                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1716                         bProcess = FALSE;
1717                     break;
1718
1719                 case VK_RETURN:
1720                     {
1721                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1722                         {
1723                             // control wants to process Enter itself, don't
1724                             // call IsDialogMessage() which would interpret
1725                             // it
1726                             return FALSE;
1727                         }
1728                         else if ( lDlgCode & DLGC_BUTTON )
1729                         {
1730                             // let IsDialogMessage() handle this for all
1731                             // buttons except the owner-drawn ones which it
1732                             // just seems to ignore
1733                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1734                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1735                             {
1736                                 // emulate the button click
1737                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1738                                 if ( btn )
1739                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1740                             }
1741
1742                             bProcess = FALSE;
1743                         }
1744 #if wxUSE_BUTTON
1745                         else
1746                         {
1747                             wxPanel *panel = wxDynamicThisCast(this, wxPanel);
1748                             wxButton *btn = NULL;
1749                             if ( panel )
1750                             {
1751                                 // panel may have a default button which should
1752                                 // be activated by Enter
1753                                 btn = panel->GetDefaultItem();
1754                             }
1755
1756                             if ( btn && btn->IsEnabled() )
1757                             {
1758                                 // if we do have a default button, do press it
1759                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1760
1761                                 return TRUE;
1762                             }
1763                             // else: but if it does not it makes sense to make
1764                             //       it work like a TAB - and that's what we do.
1765                             //       Note that Ctrl-Enter always works this way.
1766                         }
1767 #endif // wxUSE_BUTTON
1768                     }
1769                     break;
1770
1771                 default:
1772                     bProcess = FALSE;
1773             }
1774
1775             if ( bProcess )
1776             {
1777                 wxNavigationKeyEvent event;
1778                 event.SetDirection(bForward);
1779                 event.SetWindowChange(bWindowChange);
1780                 event.SetEventObject(this);
1781
1782                 if ( GetEventHandler()->ProcessEvent(event) )
1783                 {
1784 #if wxUSE_BUTTON
1785                     wxButton *btn = wxDynamicCast(FindFocus(), wxButton);
1786                     if ( btn )
1787                     {
1788                         // the button which has focus should be default
1789                         btn->SetDefault();
1790                     }
1791 #endif // wxUSE_BUTTON
1792
1793                     return TRUE;
1794                 }
1795             }
1796         }
1797 #else
1798         // let ::IsDialogMessage() do almost everything and handle just the
1799         // things it doesn't here: Ctrl-TAB for switching notebook pages
1800         if ( msg->message == WM_KEYDOWN )
1801         {
1802             // don't process system keys here
1803             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1804             {
1805                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1806                 {
1807                     // find the first notebook parent and change its page
1808                     wxWindow *win = this;
1809                     wxNotebook *nbook = NULL;
1810                     while ( win && !nbook )
1811                     {
1812                         nbook = wxDynamicCast(win, wxNotebook);
1813                         win = win->GetParent();
1814                     }
1815
1816                     if ( nbook )
1817                     {
1818                         bool forward = !wxIsShiftDown();
1819
1820                         nbook->AdvanceSelection(forward);
1821                     }
1822                 }
1823             }
1824         }
1825 #endif // 0
1826
1827         if ( ::IsDialogMessage(GetHwnd(), msg) )
1828         {
1829             // IsDialogMessage() did something...
1830             return TRUE;
1831         }
1832     }
1833 #endif // __WXUNIVERSAL__
1834
1835 #if wxUSE_TOOLTIPS
1836     if ( m_tooltip )
1837     {
1838         // relay mouse move events to the tooltip control
1839         MSG *msg = (MSG *)pMsg;
1840         if ( msg->message == WM_MOUSEMOVE )
1841             m_tooltip->RelayEvent(pMsg);
1842     }
1843 #endif // wxUSE_TOOLTIPS
1844
1845     return FALSE;
1846 }
1847
1848 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1849 {
1850 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1851     return m_acceleratorTable.Translate(this, pMsg);
1852 #else
1853     return FALSE;
1854 #endif // wxUSE_ACCEL
1855 }
1856
1857 // ---------------------------------------------------------------------------
1858 // message params unpackers (different for Win16 and Win32)
1859 // ---------------------------------------------------------------------------
1860
1861 #ifdef __WIN32__
1862
1863 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1864                              WORD *id, WXHWND *hwnd, WORD *cmd)
1865 {
1866     *id = LOWORD(wParam);
1867     *hwnd = (WXHWND)lParam;
1868     *cmd = HIWORD(wParam);
1869 }
1870
1871 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1872                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1873 {
1874     *state = LOWORD(wParam);
1875     *minimized = HIWORD(wParam);
1876     *hwnd = (WXHWND)lParam;
1877 }
1878
1879 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1880                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1881 {
1882     *code = LOWORD(wParam);
1883     *pos = HIWORD(wParam);
1884     *hwnd = (WXHWND)lParam;
1885 }
1886
1887 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1888                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1889 {
1890 #ifndef __WXMICROWIN__
1891     *nCtlColor = CTLCOLOR_BTN;
1892     *hwnd = (WXHWND)lParam;
1893     *hdc = (WXHDC)wParam;
1894 #endif
1895 }
1896
1897 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1898                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1899 {
1900     *item = (WXWORD)wParam;
1901     *flags = HIWORD(wParam);
1902     *hmenu = (WXHMENU)lParam;
1903 }
1904
1905 #else // Win16
1906
1907 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1908                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1909 {
1910     *id = (WXWORD)wParam;
1911     *hwnd = (WXHWND)LOWORD(lParam);
1912     *cmd = HIWORD(lParam);
1913 }
1914
1915 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1916                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1917 {
1918     *state = (WXWORD)wParam;
1919     *minimized = LOWORD(lParam);
1920     *hwnd = (WXHWND)HIWORD(lParam);
1921 }
1922
1923 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1924                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1925 {
1926     *code = (WXWORD)wParam;
1927     *pos = LOWORD(lParam);
1928     *hwnd = (WXHWND)HIWORD(lParam);
1929 }
1930
1931 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1932                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1933 {
1934     *hwnd = (WXHWND)LOWORD(lParam);
1935     *nCtlColor = (int)HIWORD(lParam);
1936     *hdc = (WXHDC)wParam;
1937 }
1938
1939 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1940                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1941 {
1942     *item = (WXWORD)wParam;
1943     *flags = LOWORD(lParam);
1944     *hmenu = (WXHMENU)HIWORD(lParam);
1945 }
1946
1947 #endif // Win32/16
1948
1949 // ---------------------------------------------------------------------------
1950 // Main wxWindows window proc and the window proc for wxWindow
1951 // ---------------------------------------------------------------------------
1952
1953 // Hook for new window just as it's being created, when the window isn't yet
1954 // associated with the handle
1955 wxWindowMSW *wxWndHook = NULL;
1956
1957 // Main window proc
1958 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1959 {
1960     // trace all messages - useful for the debugging
1961 #ifdef __WXDEBUG__
1962     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
1963                wxGetMessageName(message), wParam, lParam);
1964 #endif // __WXDEBUG__
1965
1966     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
1967
1968     // when we get the first message for the HWND we just created, we associate
1969     // it with wxWindow stored in wxWndHook
1970     if ( !wnd && wxWndHook )
1971     {
1972 #if 0 // def __WXDEBUG__
1973         char buf[512];
1974         ::GetClassNameA((HWND) hWnd, buf, 512);
1975         wxString className(buf);
1976 #endif
1977
1978         wxAssociateWinWithHandle(hWnd, wxWndHook);
1979         wnd = wxWndHook;
1980         wxWndHook = NULL;
1981         wnd->SetHWND((WXHWND)hWnd);
1982     }
1983
1984     LRESULT rc;
1985
1986     // Stop right here if we don't have a valid handle in our wxWindow object.
1987     if ( wnd && !wnd->GetHWND() )
1988     {
1989         // FIXME: why do we do this?
1990         wnd->SetHWND((WXHWND) hWnd);
1991         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
1992         wnd->SetHWND(0);
1993     }
1994     else
1995     {
1996         if ( wnd )
1997             rc = wnd->MSWWindowProc(message, wParam, lParam);
1998         else
1999             rc = DefWindowProc( hWnd, message, wParam, lParam );
2000     }
2001
2002     return rc;
2003 }
2004
2005 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2006 {
2007     // did we process the message?
2008     bool processed = FALSE;
2009
2010     // the return value
2011     union
2012     {
2013         bool        allow;
2014         long        result;
2015         WXHICON     hIcon;
2016         WXHBRUSH    hBrush;
2017     } rc;
2018
2019     // for most messages we should return 0 when we do process the message
2020     rc.result = 0;
2021
2022     switch ( message )
2023     {
2024         case WM_CREATE:
2025             {
2026                 bool mayCreate;
2027                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2028                 if ( processed )
2029                 {
2030                     // return 0 to allow window creation
2031                     rc.result = mayCreate ? 0 : -1;
2032                 }
2033             }
2034             break;
2035
2036         case WM_DESTROY:
2037             processed = HandleDestroy();
2038             break;
2039
2040         case WM_MOVE:
2041             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2042             break;
2043
2044         case WM_SIZE:
2045             switch ( wParam )
2046             {
2047                 case SIZE_MAXHIDE:
2048                 case SIZE_MAXSHOW:
2049                     // we're not interested in these messages at all
2050                     break;
2051
2052                 case SIZE_MINIMIZED:
2053                     // we shouldn't send sizev events for these messages as the
2054                     // client size may be negative which breaks existing code
2055                     //
2056                     // OTOH we might send another (wxMinimizedEvent?) one or
2057                     // add an additional parameter to wxSizeEvent if this is
2058                     // useful to anybody
2059                     break;
2060
2061                 default:
2062                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2063                     // fall through nevertheless
2064
2065                 case SIZE_MAXIMIZED:
2066                 case SIZE_RESTORED:
2067                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2068                                            wParam);
2069             }
2070             break;
2071
2072 #ifdef __WXUNIVERSAL__
2073         case WM_ACTIVATEAPP:
2074             wxTheApp->SetActive(wParam != 0, FindFocus());
2075             break;
2076
2077         case WM_NCHITTEST:
2078             // we shouldn't allow the windows which don't want to get focus to
2079             // get it
2080             if ( !AcceptsFocus() )
2081             {
2082                 rc.result = HTTRANSPARENT;
2083                 processed = TRUE;
2084             }
2085             break;
2086 #endif // __WXUNIVERSAL__
2087
2088         case WM_ACTIVATE:
2089             {
2090                 WXWORD state, minimized;
2091                 WXHWND hwnd;
2092                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2093
2094                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2095             }
2096             break;
2097
2098         case WM_SETFOCUS:
2099             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2100             break;
2101
2102         case WM_KILLFOCUS:
2103             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2104             break;
2105
2106         case WM_PAINT:
2107             processed = HandlePaint();
2108             break;
2109
2110         case WM_CLOSE:
2111             // don't let the DefWindowProc() destroy our window - we'll do it
2112             // ourselves in ~wxWindow
2113             processed = TRUE;
2114             rc.result = TRUE;
2115             break;
2116
2117         case WM_SHOWWINDOW:
2118             processed = HandleShow(wParam != 0, (int)lParam);
2119             break;
2120
2121         case WM_MOUSEMOVE:
2122             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2123                                         GET_Y_LPARAM(lParam),
2124                                         wParam);
2125             break;
2126
2127 #if wxUSE_MOUSEWHEEL
2128         case WM_MOUSEWHEEL:
2129             processed = HandleMouseWheel(wParam, lParam);
2130             break;
2131 #endif
2132
2133         case WM_LBUTTONDOWN:
2134            // set focus to this window
2135            if (AcceptsFocus())
2136                 SetFocus();
2137
2138            // fall through
2139
2140         case WM_LBUTTONUP:
2141         case WM_LBUTTONDBLCLK:
2142         case WM_RBUTTONDOWN:
2143         case WM_RBUTTONUP:
2144         case WM_RBUTTONDBLCLK:
2145         case WM_MBUTTONDOWN:
2146         case WM_MBUTTONUP:
2147         case WM_MBUTTONDBLCLK:
2148             processed = HandleMouseEvent(message,
2149                                          GET_X_LPARAM(lParam),
2150                                          GET_Y_LPARAM(lParam),
2151                                          wParam);
2152             break;
2153
2154 #ifdef MM_JOY1MOVE // __WXMICROWIN__
2155         case MM_JOY1MOVE:
2156         case MM_JOY2MOVE:
2157         case MM_JOY1ZMOVE:
2158         case MM_JOY2ZMOVE:
2159         case MM_JOY1BUTTONDOWN:
2160         case MM_JOY2BUTTONDOWN:
2161         case MM_JOY1BUTTONUP:
2162         case MM_JOY2BUTTONUP:
2163             processed = HandleJoystickEvent(message,
2164                                             GET_X_LPARAM(lParam),
2165                                             GET_Y_LPARAM(lParam),
2166                                             wParam);
2167             break;
2168 #endif
2169
2170         case WM_SYSCOMMAND:
2171             processed = HandleSysCommand(wParam, lParam);
2172             break;
2173
2174         case WM_COMMAND:
2175             {
2176                 WORD id, cmd;
2177                 WXHWND hwnd;
2178                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2179
2180                 processed = HandleCommand(id, cmd, hwnd);
2181             }
2182             break;
2183
2184 #ifdef __WIN95__
2185         case WM_NOTIFY:
2186             processed = HandleNotify((int)wParam, lParam, &rc.result);
2187             break;
2188 #endif  // Win95
2189
2190             // for these messages we must return TRUE if process the message
2191 #ifdef WM_DRAWITEM // __WXMICROWIN__
2192         case WM_DRAWITEM:
2193         case WM_MEASUREITEM:
2194             {
2195                 int idCtrl = (UINT)wParam;
2196                 if ( message == WM_DRAWITEM )
2197                 {
2198                     processed = MSWOnDrawItem(idCtrl,
2199                                               (WXDRAWITEMSTRUCT *)lParam);
2200                 }
2201                 else
2202                 {
2203                     processed = MSWOnMeasureItem(idCtrl,
2204                                                  (WXMEASUREITEMSTRUCT *)lParam);
2205                 }
2206
2207                 if ( processed )
2208                     rc.result = TRUE;
2209             }
2210             break;
2211 #endif
2212         case WM_GETDLGCODE:
2213             if ( m_lDlgCode )
2214             {
2215                 rc.result = m_lDlgCode;
2216                 processed = TRUE;
2217             }
2218             //else: get the dlg code from the DefWindowProc()
2219             break;
2220
2221         case WM_SYSKEYDOWN:
2222         case WM_KEYDOWN:
2223             // If this has been processed by an event handler,
2224             // return 0 now (we've handled it).
2225             if ( HandleKeyDown((WORD) wParam, lParam) )
2226             {
2227                 processed = TRUE;
2228
2229                 break;
2230             }
2231
2232             // we consider these message "not interesting" to OnChar
2233             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2234             {
2235                 processed = TRUE;
2236
2237                 break;
2238             }
2239
2240             switch ( wParam )
2241             {
2242                 // avoid duplicate messages to OnChar for these ASCII keys: they
2243                 // will be translated by TranslateMessage() and received in WM_CHAR
2244                 case VK_ESCAPE:
2245                 case VK_SPACE:
2246                 case VK_RETURN:
2247                 case VK_BACK:
2248                 case VK_TAB:
2249                 case VK_ADD:
2250                 case VK_SUBTRACT:
2251                     // but set processed to FALSE, not TRUE to still pass them to
2252                     // the control's default window proc - otherwise built-in
2253                     // keyboard handling won't work
2254                     processed = FALSE;
2255
2256                     break;
2257
2258 #ifdef VK_APPS
2259                 // special case of VK_APPS: treat it the same as right mouse
2260                 // click because both usually pop up a context menu
2261                 case VK_APPS:
2262                     {
2263                         WPARAM flags;
2264                         int x, y;
2265
2266                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2267                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2268                     }
2269                     break;
2270 #endif // VK_APPS
2271
2272                 case VK_LEFT:
2273                 case VK_RIGHT:
2274                 case VK_DOWN:
2275                 case VK_UP:
2276                 default:
2277                     processed = HandleChar((WORD)wParam, lParam);
2278             }
2279             break;
2280
2281         case WM_SYSKEYUP:
2282         case WM_KEYUP:
2283 #ifdef VK_APPS
2284             // special case of VK_APPS: treat it the same as right mouse button
2285             if ( wParam == VK_APPS )
2286             {
2287                 WPARAM flags;
2288                 int x, y;
2289
2290                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2291                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2292             }
2293             else
2294 #endif // VK_APPS
2295             {
2296                 processed = HandleKeyUp((WORD) wParam, lParam);
2297             }
2298             break;
2299
2300         case WM_SYSCHAR:
2301         case WM_CHAR: // Always an ASCII character
2302             processed = HandleChar((WORD)wParam, lParam, TRUE);
2303             break;
2304
2305         case WM_HSCROLL:
2306         case WM_VSCROLL:
2307             {
2308                 WXWORD code, pos;
2309                 WXHWND hwnd;
2310                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2311
2312                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2313                                                               : wxVERTICAL,
2314                                         code, pos, hwnd);
2315             }
2316             break;
2317
2318         // CTLCOLOR messages are sent by children to query the parent for their
2319         // colors#ifndef __WXMICROWIN__
2320 #ifndef __WXMICROWIN__
2321 #ifdef __WIN32__
2322         case WM_CTLCOLORMSGBOX:
2323         case WM_CTLCOLOREDIT:
2324         case WM_CTLCOLORLISTBOX:
2325         case WM_CTLCOLORBTN:
2326         case WM_CTLCOLORDLG:
2327         case WM_CTLCOLORSCROLLBAR:
2328         case WM_CTLCOLORSTATIC:
2329 #else // Win16
2330         case WM_CTLCOLOR:
2331 #endif // Win32/16
2332             {
2333                 WXWORD nCtlColor;
2334                 WXHDC hdc;
2335                 WXHWND hwnd;
2336                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2337
2338                 processed = HandleCtlColor(&rc.hBrush,
2339                                            (WXHDC)hdc,
2340                                            (WXHWND)hwnd,
2341                                            nCtlColor,
2342                                            message,
2343                                            wParam,
2344                                            lParam);
2345             }
2346             break;
2347 #endif
2348
2349             // the return value for this message is ignored
2350         case WM_SYSCOLORCHANGE:
2351             processed = HandleSysColorChange();
2352             break;
2353
2354         case WM_PALETTECHANGED:
2355             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2356             break;
2357
2358         case WM_QUERYNEWPALETTE:
2359             processed = HandleQueryNewPalette();
2360             break;
2361
2362         case WM_ERASEBKGND:
2363             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2364             if ( processed )
2365             {
2366                 // we processed the message, i.e. erased the background
2367                 rc.result = TRUE;
2368             }
2369             break;
2370
2371         case WM_DROPFILES:
2372             processed = HandleDropFiles(wParam);
2373             break;
2374
2375         case WM_INITDIALOG:
2376             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2377
2378             if ( processed )
2379             {
2380                 // we never set focus from here
2381                 rc.result = FALSE;
2382             }
2383             break;
2384
2385         case WM_QUERYENDSESSION:
2386             processed = HandleQueryEndSession(lParam, &rc.allow);
2387             break;
2388
2389         case WM_ENDSESSION:
2390             processed = HandleEndSession(wParam != 0, lParam);
2391             break;
2392
2393         case WM_GETMINMAXINFO:
2394             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2395             break;
2396
2397         case WM_SETCURSOR:
2398             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2399                                         LOWORD(lParam),     // hit test
2400                                         HIWORD(lParam));    // mouse msg
2401
2402             if ( processed )
2403             {
2404                 // returning TRUE stops the DefWindowProc() from further
2405                 // processing this message - exactly what we need because we've
2406                 // just set the cursor.
2407                 rc.result = TRUE;
2408             }
2409             break;
2410
2411 #if defined(__WIN32__) && defined(WM_HELP)
2412         case WM_HELP:
2413             {
2414                 HELPINFO* info = (HELPINFO*) lParam;
2415                 // Don't yet process menu help events, just windows
2416                 if (info->iContextType == HELPINFO_WINDOW)
2417                 {
2418                     wxWindowMSW* subjectOfHelp = this;
2419                     bool eventProcessed = FALSE;
2420                     while (subjectOfHelp && !eventProcessed)
2421                     {
2422                         wxHelpEvent helpEvent(wxEVT_HELP,
2423                                               subjectOfHelp->GetId(),
2424                                               wxPoint(info->MousePos.x,
2425                                               info->MousePos.y) );
2426                         helpEvent.SetEventObject(this);
2427                         eventProcessed =
2428                             GetEventHandler()->ProcessEvent(helpEvent);
2429
2430                         // Go up the window hierarchy until the event is
2431                         // handled (or not)
2432                         subjectOfHelp = subjectOfHelp->GetParent();
2433                     }
2434
2435                     processed = eventProcessed;
2436                 }
2437                 else if (info->iContextType == HELPINFO_MENUITEM)
2438                 {
2439                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2440                     helpEvent.SetEventObject(this);
2441                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2442
2443                 }
2444                 //else: processed is already FALSE
2445             }
2446             break;
2447
2448         case WM_CONTEXTMENU:
2449             {
2450                 // we don't convert from screen to client coordinates as
2451                 // the event may be handled by a parent window
2452                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2453
2454                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2455                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2456             }
2457             break;
2458 #endif // __WIN32__
2459     }
2460
2461     if ( !processed )
2462     {
2463 #ifdef __WXDEBUG__
2464         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2465                    wxGetMessageName(message));
2466 #endif // __WXDEBUG__
2467         rc.result = MSWDefWindowProc(message, wParam, lParam);
2468     }
2469
2470     return rc.result;
2471 }
2472
2473 // Dialog window proc
2474 LONG APIENTRY _EXPORT
2475 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2476 {
2477     if ( message == WM_INITDIALOG )
2478     {
2479         // for this message, returning TRUE tells system to set focus to the
2480         // first control in the dialog box
2481         return TRUE;
2482     }
2483     else
2484     {
2485         // for all the other ones, FALSE means that we didn't process the
2486         // message
2487         return 0;
2488     }
2489 }
2490
2491 wxList *wxWinHandleList = NULL;
2492 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2493 {
2494     wxNode *node = wxWinHandleList->Find((long)hWnd);
2495     if ( !node )
2496         return NULL;
2497     return (wxWindow *)node->Data();
2498 }
2499
2500 #if 0 // def __WXDEBUG__
2501 static int gs_AssociationCount = 0;
2502 #endif
2503
2504 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2505 {
2506     // adding NULL hWnd is (first) surely a result of an error and
2507     // (secondly) breaks menu command processing
2508     wxCHECK_RET( hWnd != (HWND)NULL,
2509                  wxT("attempt to add a NULL hWnd to window list ignored") );
2510
2511
2512     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2513     if ( oldWin && (oldWin != win) )
2514     {
2515         wxString str(win->GetClassInfo()->GetClassName());
2516         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2517     }
2518     else if (!oldWin)
2519     {
2520 #if 0 // def __WXDEBUG__
2521         gs_AssociationCount ++;
2522         wxLogDebug("+ Association %d", gs_AssociationCount);
2523 #endif
2524
2525         wxWinHandleList->Append((long)hWnd, win);
2526     }
2527 }
2528
2529 void wxRemoveHandleAssociation(wxWindowMSW *win)
2530 {
2531 #if 0 // def __WXDEBUG__
2532     if (wxWinHandleList->Member(win))
2533     {
2534         wxLogDebug("- Association %d", gs_AssociationCount);
2535         gs_AssociationCount --;
2536     }
2537 #endif
2538     wxWinHandleList->DeleteObject(win);
2539 }
2540
2541 // Default destroyer - override if you destroy it in some other way
2542 // (e.g. with MDI child windows)
2543 void wxWindowMSW::MSWDestroyWindow()
2544 {
2545 }
2546
2547 void wxWindowMSW::MSWDetachWindowMenu()
2548 {
2549     if ( m_hMenu )
2550     {
2551         wxChar buf[1024];
2552         HMENU hMenu = (HMENU)m_hMenu;
2553
2554         int N = ::GetMenuItemCount(hMenu);
2555         for ( int i = 0; i < N; i++ )
2556         {
2557             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2558             {
2559                 wxLogLastError(wxT("GetMenuString"));
2560
2561                 continue;
2562             }
2563
2564             if ( wxStrcmp(buf, _("&Window")) == 0 )
2565             {
2566                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2567                 {
2568                     wxLogLastError(wxT("RemoveMenu"));
2569                 }
2570
2571                 break;
2572             }
2573         }
2574     }
2575 }
2576
2577 bool wxWindowMSW::MSWCreate(int id,
2578                             wxWindow *parent,
2579                             const wxChar *wclass,
2580                             wxWindow * WXUNUSED(wx_win),
2581                             const wxChar *title,
2582                             int x,
2583                             int y,
2584                             int width,
2585                             int height,
2586                             WXDWORD style,
2587                             const wxChar *dialog_template,
2588                             WXDWORD extendedStyle)
2589 {
2590     int x1 = CW_USEDEFAULT;
2591     int y1 = 0;
2592     int width1 = CW_USEDEFAULT;
2593     int height1 = 100;
2594
2595     // Find parent's size, if it exists, to set up a possible default
2596     // panel size the size of the parent window
2597     RECT rectParent;
2598     if ( parent )
2599     {
2600         ::GetClientRect(GetHwndOf(parent), &rectParent);
2601
2602         width1 = rectParent.right - rectParent.left;
2603         height1 = rectParent.bottom - rectParent.top;
2604     }
2605
2606     if ( x != -1 )
2607         x1 = x;
2608     if ( y != -1 )
2609         y1 = y;
2610     if ( width != -1 )
2611         width1 = width;
2612     if ( height != -1 )
2613         height1 = height;
2614
2615     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2616     // hierarchy with several embedded panels (and not all of them) causes the
2617     // program to hang during the next call to IsDialogMessage() due to the bug
2618     // in this function (at least in Windows NT 4.0, it seems to work ok in
2619     // Win2K)
2620 #if 0
2621     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2622     // IsDialogMessage() won't work for us
2623     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2624     {
2625         extendedStyle |= WS_EX_CONTROLPARENT;
2626     }
2627 #endif // 0
2628
2629     HWND hParent;
2630     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2631     {
2632         // popup windows should have desktop as parent because they shouldn't
2633         // be limited to the parents client area as child windows usually are
2634         hParent = ::GetDesktopWindow();
2635     }
2636     else if ( parent )
2637     {
2638         hParent = GetHwndOf(parent);
2639     }
2640     else
2641     {
2642         // top level window
2643         hParent = NULL;
2644     }
2645
2646     wxWndHook = this;
2647
2648     if ( dialog_template )
2649     {
2650 #ifndef __WXMICROWIN__
2651         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2652         // app window as parent - this avoids creating modal dialogs without
2653         // parent
2654         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2655         {
2656             wxWindow *winTop = wxTheApp->GetTopWindow();
2657             if ( winTop )
2658                 hParent = GetHwndOf(winTop);
2659         }
2660
2661         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2662                                         dialog_template,
2663                                         hParent,
2664                                         (DLGPROC)wxDlgProc);
2665
2666         if ( m_hWnd == 0 )
2667         {
2668             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2669                        dialog_template);
2670
2671             return FALSE;
2672         }
2673
2674         if ( extendedStyle != 0 )
2675         {
2676             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2677             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2678                            SWP_NOSIZE |
2679                            SWP_NOMOVE |
2680                            SWP_NOZORDER |
2681                            SWP_NOACTIVATE);
2682         }
2683
2684 #if defined(__WIN95__)
2685         // For some reason, the system menu is activated when we use the
2686         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2687         if (extendedStyle & WS_EX_CONTEXTHELP)
2688         {
2689             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2690             if ( winTop )
2691             {
2692                 wxIcon icon = winTop->GetIcon();
2693                 if ( icon.Ok() )
2694                 {
2695                     ::SendMessage(GetHwnd(), WM_SETICON,
2696                                   (WPARAM)TRUE,
2697                                   (LPARAM)GetHiconOf(icon));
2698                 }
2699             }
2700         }
2701 #endif // __WIN95__
2702
2703
2704         // JACS: is the following still necessary? The above seems to work.
2705
2706         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2707         // to take care of (at least some) extended style flags ourselves
2708         if ( extendedStyle & WS_EX_TOPMOST )
2709         {
2710             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2711                                  SWP_NOSIZE | SWP_NOMOVE) )
2712             {
2713                 wxLogLastError(wxT("SetWindowPos"));
2714             }
2715         }
2716
2717         // move the dialog to its initial position without forcing repainting
2718         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2719         {
2720             wxLogLastError(wxT("MoveWindow"));
2721         }
2722 #endif
2723         // __WXMICROWIN__
2724
2725     }
2726     else // creating a normal window, not a dialog
2727     {
2728         int controlId = 0;
2729         if ( style & WS_CHILD )
2730         {
2731             controlId = id;
2732
2733             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2734             {
2735                 style |= WS_CLIPSIBLINGS;
2736             }
2737         }
2738
2739         wxString className(wclass);
2740         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2741         {
2742             className += wxT("NR");
2743         }
2744
2745         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2746                                         className,
2747                                         title ? title : wxT(""),
2748                                         style,
2749                                         x1, y1,
2750                                         width1, height1,
2751                                         hParent, (HMENU)controlId,
2752                                         wxGetInstance(),
2753                                         NULL);
2754
2755         if ( !m_hWnd )
2756         {
2757             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2758                        wclass);
2759
2760             return FALSE;
2761         }
2762     }
2763
2764     wxWndHook = NULL;
2765
2766 #ifdef __WXDEBUG__
2767     wxNode* node = wxWinHandleList->Member(this);
2768     if (node)
2769     {
2770         HWND hWnd = (HWND) node->GetKeyInteger();
2771         if (hWnd != (HWND) m_hWnd)
2772         {
2773             wxLogError(wxT("A second HWND association is being added for the same window!"));
2774         }
2775     }
2776 #endif // Debug
2777
2778     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2779
2780     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2781
2782     return TRUE;
2783 }
2784
2785 // ===========================================================================
2786 // MSW message handlers
2787 // ===========================================================================
2788
2789 // ---------------------------------------------------------------------------
2790 // WM_NOTIFY
2791 // ---------------------------------------------------------------------------
2792
2793 #ifdef __WIN95__
2794 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2795 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2796 {
2797 #ifndef __WXMICROWIN__
2798     LPNMHDR hdr = (LPNMHDR)lParam;
2799     HWND hWnd = hdr->hwndFrom;
2800     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2801
2802     // is this one of our windows?
2803     if ( win )
2804     {
2805         return win->MSWOnNotify(idCtrl, lParam, result);
2806     }
2807
2808     // try all our children
2809     wxWindowList::Node *node = GetChildren().GetFirst();
2810     while ( node )
2811     {
2812         wxWindow *child = node->GetData();
2813         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2814         {
2815             return TRUE;
2816         }
2817
2818         node = node->GetNext();
2819     }
2820
2821     // finally try this window too (catches toolbar case)
2822     return MSWOnNotify(idCtrl, lParam, result);
2823 #else
2824     return FALSE;
2825 #endif
2826 }
2827
2828 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2829                            WXLPARAM lParam,
2830                            WXLPARAM* WXUNUSED(result))
2831 {
2832 #if wxUSE_TOOLTIPS
2833     NMHDR* hdr = (NMHDR *)lParam;
2834     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2835     {
2836         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2837         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2838
2839         // processed
2840         return TRUE;
2841     }
2842 #endif // wxUSE_TOOLTIPS
2843
2844     return FALSE;
2845 }
2846 #endif // __WIN95__
2847
2848 // ---------------------------------------------------------------------------
2849 // end session messages
2850 // ---------------------------------------------------------------------------
2851
2852 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2853 {
2854     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2855     event.SetEventObject(wxTheApp);
2856     event.SetCanVeto(TRUE);
2857     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
2858
2859     bool rc = wxTheApp->ProcessEvent(event);
2860
2861     if ( rc )
2862     {
2863         // we may end only if the app didn't veto session closing (double
2864         // negation...)
2865         *mayEnd = !event.GetVeto();
2866     }
2867
2868     return rc;
2869 }
2870
2871 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
2872 {
2873     // do nothing if the session isn't ending
2874     if ( !endSession )
2875         return FALSE;
2876
2877     wxCloseEvent event(wxEVT_END_SESSION, -1);
2878     event.SetEventObject(wxTheApp);
2879     event.SetCanVeto(FALSE);
2880     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
2881     if ( (this == wxTheApp->GetTopWindow()) && // Only send once
2882         wxTheApp->ProcessEvent(event))
2883     {
2884     }
2885     return TRUE;
2886 }
2887
2888 // ---------------------------------------------------------------------------
2889 // window creation/destruction
2890 // ---------------------------------------------------------------------------
2891
2892 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
2893 {
2894     // TODO: should generate this event from WM_NCCREATE
2895     wxWindowCreateEvent event((wxWindow *)this);
2896     (void)GetEventHandler()->ProcessEvent(event);
2897
2898     *mayCreate = TRUE;
2899
2900     return TRUE;
2901 }
2902
2903 bool wxWindowMSW::HandleDestroy()
2904 {
2905     wxWindowDestroyEvent event((wxWindow *)this);
2906     (void)GetEventHandler()->ProcessEvent(event);
2907
2908     // delete our drop target if we've got one
2909 #if wxUSE_DRAG_AND_DROP
2910     if ( m_dropTarget != NULL )
2911     {
2912         m_dropTarget->Revoke(m_hWnd);
2913
2914         delete m_dropTarget;
2915         m_dropTarget = NULL;
2916     }
2917 #endif // wxUSE_DRAG_AND_DROP
2918
2919     // WM_DESTROY handled
2920     return TRUE;
2921 }
2922
2923 // ---------------------------------------------------------------------------
2924 // activation/focus
2925 // ---------------------------------------------------------------------------
2926
2927 void wxWindowMSW::OnSetFocus(wxFocusEvent& event)
2928 {
2929     // panel wants to track the window which was the last to have focus in it,
2930     // so we want to set ourselves as the window which last had focus
2931     //
2932     // notice that it's also important to do it upwards the tree becaus
2933     // otherwise when the top level panel gets focus, it won't set it back to
2934     // us, but to some other sibling
2935     wxWindow *win = (wxWindow *)this;
2936     while ( win )
2937     {
2938         wxWindow *parent = win->GetParent();
2939         wxPanel *panel = wxDynamicCast(parent, wxPanel);
2940         if ( panel )
2941         {
2942             panel->SetLastFocus(win);
2943         }
2944
2945         win = parent;
2946     }
2947
2948     wxLogTrace(_T("focus"), _T("%s (0x%08x) gets focus"),
2949                GetClassInfo()->GetClassName(), GetHandle());
2950
2951     event.Skip();
2952 }
2953
2954 bool wxWindowMSW::HandleActivate(int state,
2955                               bool WXUNUSED(minimized),
2956                               WXHWND WXUNUSED(activate))
2957 {
2958     wxActivateEvent event(wxEVT_ACTIVATE,
2959                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
2960                           m_windowId);
2961     event.SetEventObject(this);
2962
2963     return GetEventHandler()->ProcessEvent(event);
2964 }
2965
2966 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
2967 {
2968 #if wxUSE_CARET
2969     // Deal with caret
2970     if ( m_caret )
2971     {
2972         m_caret->OnSetFocus();
2973     }
2974 #endif // wxUSE_CARET
2975
2976     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
2977     event.SetEventObject(this);
2978
2979     // wxFindWinFromHandle() may return NULL, it is ok
2980     event.SetWindow(wxFindWinFromHandle(hwnd));
2981
2982     return GetEventHandler()->ProcessEvent(event);
2983 }
2984
2985 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
2986 {
2987 #if wxUSE_CARET
2988     // Deal with caret
2989     if ( m_caret )
2990     {
2991         m_caret->OnKillFocus();
2992     }
2993 #endif // wxUSE_CARET
2994
2995     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
2996     event.SetEventObject(this);
2997
2998     // wxFindWinFromHandle() may return NULL, it is ok
2999     event.SetWindow(wxFindWinFromHandle(hwnd));
3000
3001     return GetEventHandler()->ProcessEvent(event);
3002 }
3003
3004 // ---------------------------------------------------------------------------
3005 // miscellaneous
3006 // ---------------------------------------------------------------------------
3007
3008 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3009 {
3010     wxShowEvent event(GetId(), show);
3011     event.m_eventObject = this;
3012
3013     return GetEventHandler()->ProcessEvent(event);
3014 }
3015
3016 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3017 {
3018     wxInitDialogEvent event(GetId());
3019     event.m_eventObject = this;
3020
3021     return GetEventHandler()->ProcessEvent(event);
3022 }
3023
3024 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3025 {
3026 #ifndef __WXMICROWIN__
3027     HDROP hFilesInfo = (HDROP) wParam;
3028     POINT dropPoint;
3029     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3030
3031     // Get the total number of files dropped
3032     WORD gwFilesDropped = (WORD)::DragQueryFile
3033                             (
3034                                 (HDROP)hFilesInfo,
3035                                 (UINT)-1,
3036                                 (LPTSTR)0,
3037                                 (UINT)0
3038                             );
3039
3040     wxString *files = new wxString[gwFilesDropped];
3041     int wIndex;
3042     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3043     {
3044         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3045         files[wIndex] = wxBuffer;
3046     }
3047     DragFinish (hFilesInfo);
3048
3049     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3050     event.m_eventObject = this;
3051     event.m_pos.x = dropPoint.x; event.m_pos.x = dropPoint.y;
3052
3053     bool rc = GetEventHandler()->ProcessEvent(event);
3054
3055     delete[] files;
3056
3057     return rc;
3058 #else
3059     return FALSE;
3060 #endif
3061 }
3062
3063 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3064                                   short nHitTest,
3065                                   int WXUNUSED(mouseMsg))
3066 {
3067 #ifndef __WXMICROWIN__
3068     // the logic is as follows:
3069     // -1. don't set cursor for non client area, including but not limited to
3070     //     the title bar, scrollbars, &c
3071     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3072     //  1. if we have the cursor set it unless wxIsBusy()
3073     //  2. if we're a top level window, set some cursor anyhow
3074     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3075
3076     if ( nHitTest != HTCLIENT )
3077     {
3078         return FALSE;
3079     }
3080
3081     HCURSOR hcursor = 0;
3082
3083     // first ask the user code - it may wish to set the cursor in some very
3084     // specific way (for example, depending on the current position)
3085     POINT pt;
3086 #ifdef __WIN32__
3087     if ( !::GetCursorPos(&pt) )
3088     {
3089         wxLogLastError(wxT("GetCursorPos"));
3090     }
3091 #else
3092     // In WIN16 it doesn't return a value.
3093     ::GetCursorPos(&pt);
3094 #endif
3095
3096     int x = pt.x,
3097         y = pt.y;
3098     ScreenToClient(&x, &y);
3099     wxSetCursorEvent event(x, y);
3100
3101     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3102     if ( processedEvtSetCursor && event.HasCursor() )
3103     {
3104         hcursor = GetHcursorOf(event.GetCursor());
3105     }
3106
3107     if ( !hcursor )
3108     {
3109         bool isBusy = wxIsBusy();
3110
3111         // the test for processedEvtSetCursor is here to prevent using m_cursor
3112         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3113         // it - this is a way to say that our cursor shouldn't be used for this
3114         // point
3115         if ( !processedEvtSetCursor && m_cursor.Ok() )
3116         {
3117             hcursor = GetHcursorOf(m_cursor);
3118         }
3119
3120         if ( !GetParent() )
3121         {
3122             if ( isBusy )
3123             {
3124                 hcursor = wxGetCurrentBusyCursor();
3125             }
3126             else if ( !hcursor )
3127             {
3128                 const wxCursor *cursor = wxGetGlobalCursor();
3129                 if ( cursor && cursor->Ok() )
3130                 {
3131                     hcursor = GetHcursorOf(*cursor);
3132                 }
3133             }
3134         }
3135     }
3136
3137     if ( hcursor )
3138     {
3139         ::SetCursor(hcursor);
3140
3141         // cursor set, stop here
3142         return TRUE;
3143     }
3144 #endif
3145     // pass up the window chain
3146     return FALSE;
3147 }
3148
3149 // ---------------------------------------------------------------------------
3150 // owner drawn stuff
3151 // ---------------------------------------------------------------------------
3152
3153 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3154 {
3155 #if wxUSE_OWNER_DRAWN
3156
3157 #if wxUSE_MENUS_NATIVE
3158     // is it a menu item?
3159     if ( id == 0 )
3160     {
3161         DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3162         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3163
3164         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3165
3166         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3167         // the DC from being released
3168         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3169         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3170                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3171                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3172
3173         return pMenuItem->OnDrawItem
3174                (
3175                 dc,
3176                 rect,
3177                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3178                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3179                );
3180     }
3181 #endif // wxUSE_MENUS_NATIVE
3182
3183 #if wxUSE_CONTROLS
3184     wxWindow *item = FindItem(id);
3185     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3186     {
3187         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3188     }
3189 #endif // wxUSE_CONTROLS
3190
3191 #endif // USE_OWNER_DRAWN
3192
3193     return FALSE;
3194 }
3195
3196 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3197 {
3198 #if wxUSE_OWNER_DRAWN
3199     // is it a menu item?
3200     if ( id == 0 )
3201     {
3202         MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3203         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3204
3205         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3206
3207         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3208                                         &pMeasureStruct->itemHeight);
3209     }
3210
3211     wxWindow *item = FindItem(id);
3212     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3213     {
3214         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3215     }
3216 #endif  // owner-drawn menus
3217     return FALSE;
3218 }
3219
3220 // ---------------------------------------------------------------------------
3221 // colours and palettes
3222 // ---------------------------------------------------------------------------
3223
3224 bool wxWindowMSW::HandleSysColorChange()
3225 {
3226     wxSysColourChangedEvent event;
3227     event.SetEventObject(this);
3228
3229     return GetEventHandler()->ProcessEvent(event);
3230 }
3231
3232 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3233                               WXHDC pDC,
3234                               WXHWND pWnd,
3235                               WXUINT nCtlColor,
3236                               WXUINT message,
3237                               WXWPARAM wParam,
3238                               WXLPARAM lParam)
3239 {
3240 #ifndef __WXMICROWIN__
3241     WXHBRUSH hBrush = 0;
3242
3243     if ( nCtlColor == CTLCOLOR_DLG )
3244     {
3245         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3246     }
3247 #if wxUSE_CONTROLS
3248     else
3249     {
3250         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3251         if ( item )
3252             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3253     }
3254 #endif // wxUSE_CONTROLS
3255
3256     if ( hBrush )
3257         *brush = hBrush;
3258
3259     return hBrush != 0;
3260 #else
3261     return FALSE;
3262 #endif
3263 }
3264
3265 // Define for each class of dialog and control
3266 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3267                                  WXHWND WXUNUSED(hWnd),
3268                                  WXUINT WXUNUSED(nCtlColor),
3269                                  WXUINT WXUNUSED(message),
3270                                  WXWPARAM WXUNUSED(wParam),
3271                                  WXLPARAM WXUNUSED(lParam))
3272 {
3273     return (WXHBRUSH)0;
3274 }
3275
3276 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3277 {
3278     wxPaletteChangedEvent event(GetId());
3279     event.SetEventObject(this);
3280     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3281
3282     return GetEventHandler()->ProcessEvent(event);
3283 }
3284
3285 bool wxWindowMSW::HandleQueryNewPalette()
3286 {
3287     wxQueryNewPaletteEvent event(GetId());
3288     event.SetEventObject(this);
3289
3290     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3291 }
3292
3293 // Responds to colour changes: passes event on to children.
3294 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3295 {
3296     wxNode *node = GetChildren().First();
3297     while ( node )
3298     {
3299         // Only propagate to non-top-level windows
3300         wxWindow *win = (wxWindow *)node->Data();
3301         if ( win->GetParent() )
3302         {
3303             wxSysColourChangedEvent event2;
3304             event.m_eventObject = win;
3305             win->GetEventHandler()->ProcessEvent(event2);
3306         }
3307
3308         node = node->Next();
3309     }
3310 }
3311
3312 // ---------------------------------------------------------------------------
3313 // painting
3314 // ---------------------------------------------------------------------------
3315
3316 bool wxWindowMSW::HandlePaint()
3317 {
3318 #ifdef __WIN32__
3319     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3320     if ( !hRegion )
3321         wxLogLastError(wxT("CreateRectRgn"));
3322     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3323         wxLogLastError(wxT("GetUpdateRgn"));
3324
3325     m_updateRegion = wxRegion((WXHRGN) hRegion);
3326 #else // Win16
3327     RECT updateRect;
3328     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3329
3330     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3331                               updateRect.right - updateRect.left,
3332                               updateRect.bottom - updateRect.top);
3333 #endif // Win32/16
3334
3335     wxPaintEvent event(m_windowId);
3336     event.SetEventObject(this);
3337
3338     bool processed = GetEventHandler()->ProcessEvent(event);
3339
3340     // note that we must generate NC event after the normal one as otherwise
3341     // BeginPaint() will happily overwrite our decorations with the background
3342     // colour
3343     wxNcPaintEvent eventNc(m_windowId);
3344     eventNc.SetEventObject(this);
3345     GetEventHandler()->ProcessEvent(eventNc);
3346
3347     return processed;
3348 }
3349
3350 // Can be called from an application's OnPaint handler
3351 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3352 {
3353 #ifdef __WXUNIVERSAL__
3354     event.Skip();
3355 #else
3356     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3357     if (hDC != 0)
3358     {
3359         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3360     }
3361 #endif
3362 }
3363
3364 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3365 {
3366     // Prevents flicker when dragging
3367     if ( ::IsIconic(GetHwnd()) )
3368         return TRUE;
3369
3370     wxDCTemp dc(hdc);
3371
3372     dc.SetHDC(hdc);
3373     dc.SetWindow((wxWindow *)this);
3374     dc.BeginDrawing();
3375
3376     wxEraseEvent event(m_windowId, &dc);
3377     event.SetEventObject(this);
3378     bool rc = GetEventHandler()->ProcessEvent(event);
3379
3380     dc.EndDrawing();
3381
3382     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3383     dc.SelectOldObjects(hdc);
3384
3385     return rc;
3386 }
3387
3388 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3389 {
3390     RECT rect;
3391     ::GetClientRect(GetHwnd(), &rect);
3392
3393     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3394                               m_backgroundColour.Green(),
3395                               m_backgroundColour.Blue());
3396     HBRUSH hBrush = ::CreateSolidBrush(ref);
3397     if ( !hBrush )
3398         wxLogLastError(wxT("CreateSolidBrush"));
3399
3400     HDC hdc = (HDC)event.GetDC()->GetHDC();
3401
3402     int mode = ::SetMapMode(hdc, MM_TEXT);
3403
3404     ::FillRect(hdc, &rect, hBrush);
3405     ::DeleteObject(hBrush);
3406     ::SetMapMode(hdc, mode);
3407 }
3408
3409 // ---------------------------------------------------------------------------
3410 // moving and resizing
3411 // ---------------------------------------------------------------------------
3412
3413 bool wxWindowMSW::HandleMinimize()
3414 {
3415     wxIconizeEvent event(m_windowId);
3416     event.SetEventObject(this);
3417
3418     return GetEventHandler()->ProcessEvent(event);
3419 }
3420
3421 bool wxWindowMSW::HandleMaximize()
3422 {
3423     wxMaximizeEvent event(m_windowId);
3424     event.SetEventObject(this);
3425
3426     return GetEventHandler()->ProcessEvent(event);
3427 }
3428
3429 bool wxWindowMSW::HandleMove(int x, int y)
3430 {
3431     wxMoveEvent event(wxPoint(x, y), m_windowId);
3432     event.SetEventObject(this);
3433
3434     return GetEventHandler()->ProcessEvent(event);
3435 }
3436
3437 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3438 {
3439     wxSizeEvent event(wxSize(w, h), m_windowId);
3440     event.SetEventObject(this);
3441
3442     return GetEventHandler()->ProcessEvent(event);
3443 }
3444
3445 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3446 {
3447     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3448
3449     bool rc = FALSE;
3450
3451     if ( m_minWidth != -1 )
3452     {
3453         info->ptMinTrackSize.x = m_minWidth;
3454         rc = TRUE;
3455     }
3456
3457     if ( m_minHeight != -1 )
3458     {
3459         info->ptMinTrackSize.y = m_minHeight;
3460         rc = TRUE;
3461     }
3462
3463     if ( m_maxWidth != -1 )
3464     {
3465         info->ptMaxTrackSize.x = m_maxWidth;
3466         rc = TRUE;
3467     }
3468
3469     if ( m_maxHeight != -1 )
3470     {
3471         info->ptMaxTrackSize.y = m_maxHeight;
3472         rc = TRUE;
3473     }
3474
3475     return rc;
3476 }
3477
3478 // ---------------------------------------------------------------------------
3479 // command messages
3480 // ---------------------------------------------------------------------------
3481
3482 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3483 {
3484 #if wxUSE_MENUS_NATIVE
3485     if ( wxCurrentPopupMenu )
3486     {
3487         wxMenu *popupMenu = wxCurrentPopupMenu;
3488         wxCurrentPopupMenu = NULL;
3489
3490         return popupMenu->MSWCommand(cmd, id);
3491     }
3492 #endif // wxUSE_MENUS_NATIVE
3493
3494     wxWindow *win = (wxWindow*) NULL;
3495     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3496     {
3497         // must cast to a signed type before comparing with other ids!
3498         win = FindItem((signed short)id);
3499     }
3500
3501     if (!win && control)
3502     {
3503         // find it from HWND - this works even with the broken programs using
3504         // the same ids for different controls
3505         win = wxFindWinFromHandle(control);
3506     }
3507
3508     if ( win )
3509     {
3510         return win->MSWCommand(cmd, id);
3511     }
3512
3513     // the messages sent from the in-place edit control used by the treectrl
3514     // for label editing have id == 0, but they should _not_ be treated as menu
3515     // messages (they are EN_XXX ones, in fact) so don't translate anything
3516     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3517     if ( !control )
3518     {
3519         // If no child window, it may be an accelerator, e.g. for a popup menu
3520         // command
3521
3522         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3523         event.SetEventObject(this);
3524         event.SetId(id);
3525         event.SetInt(id);
3526
3527         return GetEventHandler()->ProcessEvent(event);
3528     }
3529 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3530     else
3531     {
3532         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3533         // notifications to its parent which we want to reflect back to
3534         // wxSpinCtrl
3535         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3536         if ( spin && spin->ProcessTextCommand(cmd, id) )
3537             return TRUE;
3538     }
3539 #endif // wxUSE_SPINCTRL
3540
3541     return FALSE;
3542 }
3543
3544 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3545 {
3546     // 4 bits are reserved
3547     switch ( wParam & 0xFFFFFFF0 )
3548     {
3549         case SC_MAXIMIZE:
3550             return HandleMaximize();
3551
3552         case SC_MINIMIZE:
3553             return HandleMinimize();
3554     }
3555
3556     return FALSE;
3557 }
3558
3559 // ---------------------------------------------------------------------------
3560 // mouse events
3561 // ---------------------------------------------------------------------------
3562
3563 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3564                                  int x, int y,
3565                                  WXUINT flags)
3566 {
3567     // our client coords are not quite the same as Windows ones
3568     wxPoint pt = GetClientAreaOrigin();
3569     event.m_x = x - pt.x;
3570     event.m_y = y - pt.y;
3571
3572     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3573     event.m_controlDown = (flags & MK_CONTROL) != 0;
3574     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3575     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3576     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3577     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3578
3579     event.SetTimestamp(s_currentMsg.time);
3580     event.m_eventObject = this;
3581
3582 #if wxUSE_MOUSEEVENT_HACK
3583     m_lastMouseX = x;
3584     m_lastMouseY = y;
3585     m_lastMouseEvent = event.GetEventType();
3586 #endif // wxUSE_MOUSEEVENT_HACK
3587 }
3588
3589 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3590 {
3591     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3592     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3593     // from the message id and take the value in the table to get wxWin event
3594     // id
3595     static const wxEventType eventsMouse[] =
3596     {
3597         wxEVT_MOTION,
3598         wxEVT_LEFT_DOWN,
3599         wxEVT_LEFT_UP,
3600         wxEVT_LEFT_DCLICK,
3601         wxEVT_RIGHT_DOWN,
3602         wxEVT_RIGHT_UP,
3603         wxEVT_RIGHT_DCLICK,
3604         wxEVT_MIDDLE_DOWN,
3605         wxEVT_MIDDLE_UP,
3606         wxEVT_MIDDLE_DCLICK
3607     };
3608
3609     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3610     InitMouseEvent(event, x, y, flags);
3611
3612     return GetEventHandler()->ProcessEvent(event);
3613 }
3614
3615 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3616 {
3617     if ( !m_mouseInWindow )
3618     {
3619         // it would be wrong to assume that just because we get a mouse move
3620         // event that the mouse is inside the window: although this is usually
3621         // true, it is not if we had captured the mouse, so we need to check
3622         // the mouse coordinates here
3623         if ( !HasCapture() || IsMouseInWindow() )
3624         {
3625             // Generate an ENTER event
3626             m_mouseInWindow = TRUE;
3627
3628             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3629             InitMouseEvent(event, x, y, flags);
3630
3631             (void)GetEventHandler()->ProcessEvent(event);
3632         }
3633     }
3634
3635 #if wxUSE_MOUSEEVENT_HACK
3636     // Window gets a click down message followed by a mouse move message even
3637     // if position isn't changed!  We want to discard the trailing move event
3638     // if x and y are the same.
3639     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3640           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3641           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3642          (m_lastMouseX == x && m_lastMouseY == y) )
3643     {
3644         m_lastMouseEvent = wxEVT_MOTION;
3645
3646         return FALSE;
3647     }
3648 #endif // wxUSE_MOUSEEVENT_HACK
3649
3650     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3651 }
3652
3653
3654 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3655 {
3656 #if wxUSE_MOUSEWHEEL
3657     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3658     InitMouseEvent(event,
3659                    GET_X_LPARAM(lParam),
3660                    GET_Y_LPARAM(lParam),
3661                    LOWORD(wParam));
3662     event.m_wheelRotation = (short)HIWORD(wParam);
3663     event.m_wheelDelta = WHEEL_DELTA;
3664
3665 #ifdef __WIN32__
3666     static int s_linesPerRotation = -1;
3667     if ( s_linesPerRotation == -1 )
3668     {
3669         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3670                                      &s_linesPerRotation, 0))
3671         {
3672             // this is not supposed to happen
3673             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3674
3675             // the default is 3, so use it if SystemParametersInfo() failed
3676             s_linesPerRotation = 3;
3677         }
3678     }
3679 #else // Win16
3680     // no SystemParametersInfo() under Win16
3681     static const int s_linesPerRotation = 3;
3682 #endif
3683
3684     event.m_linesPerAction = s_linesPerRotation;
3685     return GetEventHandler()->ProcessEvent(event);
3686
3687 #else
3688     (void) wParam;
3689     (void) lParam;
3690
3691     return FALSE;
3692 #endif
3693 }
3694
3695
3696 // ---------------------------------------------------------------------------
3697 // keyboard handling
3698 // ---------------------------------------------------------------------------
3699
3700 // create the key event of the given type for the given key - used by
3701 // HandleChar and HandleKeyDown/Up
3702 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3703                                     int id,
3704                                     WXLPARAM lParam) const
3705 {
3706     wxKeyEvent event(evType);
3707     event.SetId(GetId());
3708     event.m_shiftDown = wxIsShiftDown();
3709     event.m_controlDown = wxIsCtrlDown();
3710     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3711
3712     event.m_eventObject = (wxWindow *)this; // const_cast
3713     event.m_keyCode = id;
3714     event.SetTimestamp(s_currentMsg.time);
3715
3716     // translate the position to client coords
3717     POINT pt;
3718     GetCursorPos(&pt);
3719     RECT rect;
3720     GetWindowRect(GetHwnd(),&rect);
3721     pt.x -= rect.left;
3722     pt.y -= rect.top;
3723
3724     event.m_x = pt.x;
3725     event.m_y = pt.y;
3726
3727     return event;
3728 }
3729
3730 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3731 // WM_KEYDOWN one
3732 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3733 {
3734     bool ctrlDown = FALSE;
3735
3736     int id;
3737     if ( isASCII )
3738     {
3739         // If 1 -> 26, translate to CTRL plus a letter.
3740         id = wParam;
3741         if ( (id > 0) && (id < 27) )
3742         {
3743             switch (id)
3744             {
3745                 case 13:
3746                     id = WXK_RETURN;
3747                     break;
3748
3749                 case 8:
3750                     id = WXK_BACK;
3751                     break;
3752
3753                 case 9:
3754                     id = WXK_TAB;
3755                     break;
3756
3757                 default:
3758                     ctrlDown = TRUE;
3759                     id = id + 96;
3760             }
3761         }
3762     }
3763     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3764     {
3765         // it's ASCII and will be processed here only when called from
3766         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3767         id = -1;
3768     }
3769
3770     if ( id != -1 )
3771     {
3772         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3773         if ( ctrlDown )
3774         {
3775             event.m_controlDown = TRUE;
3776         }
3777
3778         if ( GetEventHandler()->ProcessEvent(event) )
3779             return TRUE;
3780     }
3781
3782     return FALSE;
3783 }
3784
3785 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3786 {
3787     int id = wxCharCodeMSWToWX(wParam);
3788
3789     if ( !id )
3790     {
3791         // normal ASCII char
3792         id = wParam;
3793     }
3794
3795     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3796     {
3797         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3798         if ( GetEventHandler()->ProcessEvent(event) )
3799         {
3800             return TRUE;
3801         }
3802     }
3803
3804     return FALSE;
3805 }
3806
3807 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3808 {
3809     int id = wxCharCodeMSWToWX(wParam);
3810
3811     if ( !id )
3812     {
3813         // normal ASCII char
3814         id = wParam;
3815     }
3816
3817     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3818     {
3819         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3820         if ( GetEventHandler()->ProcessEvent(event) )
3821             return TRUE;
3822     }
3823
3824     return FALSE;
3825 }
3826
3827 // ---------------------------------------------------------------------------
3828 // joystick
3829 // ---------------------------------------------------------------------------
3830
3831 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3832 {
3833     int change = 0;
3834     if ( flags & JOY_BUTTON1CHG )
3835         change = wxJOY_BUTTON1;
3836     if ( flags & JOY_BUTTON2CHG )
3837         change = wxJOY_BUTTON2;
3838     if ( flags & JOY_BUTTON3CHG )
3839         change = wxJOY_BUTTON3;
3840     if ( flags & JOY_BUTTON4CHG )
3841         change = wxJOY_BUTTON4;
3842
3843     int buttons = 0;
3844     if ( flags & JOY_BUTTON1 )
3845         buttons |= wxJOY_BUTTON1;
3846     if ( flags & JOY_BUTTON2 )
3847         buttons |= wxJOY_BUTTON2;
3848     if ( flags & JOY_BUTTON3 )
3849         buttons |= wxJOY_BUTTON3;
3850     if ( flags & JOY_BUTTON4 )
3851         buttons |= wxJOY_BUTTON4;
3852
3853     // the event ids aren't consecutive so we can't use table based lookup
3854     int joystick;
3855     wxEventType eventType;
3856     switch ( msg )
3857     {
3858         case MM_JOY1MOVE:
3859             joystick = 1;
3860             eventType = wxEVT_JOY_MOVE;
3861             break;
3862
3863         case MM_JOY2MOVE:
3864             joystick = 2;
3865             eventType = wxEVT_JOY_MOVE;
3866             break;
3867
3868         case MM_JOY1ZMOVE:
3869             joystick = 1;
3870             eventType = wxEVT_JOY_ZMOVE;
3871             break;
3872
3873         case MM_JOY2ZMOVE:
3874             joystick = 2;
3875             eventType = wxEVT_JOY_ZMOVE;
3876             break;
3877
3878         case MM_JOY1BUTTONDOWN:
3879             joystick = 1;
3880             eventType = wxEVT_JOY_BUTTON_DOWN;
3881             break;
3882
3883         case MM_JOY2BUTTONDOWN:
3884             joystick = 2;
3885             eventType = wxEVT_JOY_BUTTON_DOWN;
3886             break;
3887
3888         case MM_JOY1BUTTONUP:
3889             joystick = 1;
3890             eventType = wxEVT_JOY_BUTTON_UP;
3891             break;
3892
3893         case MM_JOY2BUTTONUP:
3894             joystick = 2;
3895             eventType = wxEVT_JOY_BUTTON_UP;
3896             break;
3897
3898         default:
3899             wxFAIL_MSG(wxT("no such joystick event"));
3900
3901             return FALSE;
3902     }
3903
3904     wxJoystickEvent event(eventType, buttons, joystick, change);
3905     event.SetPosition(wxPoint(x, y));
3906     event.SetEventObject(this);
3907
3908     return GetEventHandler()->ProcessEvent(event);
3909 }
3910
3911 // ---------------------------------------------------------------------------
3912 // scrolling
3913 // ---------------------------------------------------------------------------
3914
3915 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
3916                            WXWORD pos, WXHWND control)
3917 {
3918     if ( control )
3919     {
3920         wxWindow *child = wxFindWinFromHandle(control);
3921         if ( child )
3922             return child->MSWOnScroll(orientation, wParam, pos, control);
3923     }
3924
3925     wxScrollWinEvent event;
3926     event.SetPosition(pos);
3927     event.SetOrientation(orientation);
3928     event.m_eventObject = this;
3929
3930     switch ( wParam )
3931     {
3932     case SB_TOP:
3933         event.m_eventType = wxEVT_SCROLLWIN_TOP;
3934         break;
3935
3936     case SB_BOTTOM:
3937         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
3938         break;
3939
3940     case SB_LINEUP:
3941         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
3942         break;
3943
3944     case SB_LINEDOWN:
3945         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
3946         break;
3947
3948     case SB_PAGEUP:
3949         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
3950         break;
3951
3952     case SB_PAGEDOWN:
3953         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
3954         break;
3955
3956     case SB_THUMBPOSITION:
3957     case SB_THUMBTRACK:
3958 #ifdef __WIN32__
3959         // under Win32, the scrollbar range and position are 32 bit integers,
3960         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
3961         // explicitly query the scrollbar for the correct position (this must
3962         // be done only for these two SB_ events as they are the only one
3963         // carrying the scrollbar position)
3964         {
3965             SCROLLINFO scrollInfo;
3966             wxZeroMemory(scrollInfo);
3967             scrollInfo.cbSize = sizeof(SCROLLINFO);
3968             scrollInfo.fMask = SIF_TRACKPOS;
3969
3970             if ( !::GetScrollInfo(GetHwnd(),
3971                                   orientation == wxHORIZONTAL ? SB_HORZ
3972                                                               : SB_VERT,
3973                                   &scrollInfo) )
3974             {
3975                 wxLogLastError(_T("GetScrollInfo"));
3976             }
3977
3978             event.SetPosition(scrollInfo.nTrackPos);
3979         }
3980 #endif // Win32
3981
3982         event.m_eventType = wParam == SB_THUMBPOSITION
3983                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
3984                                 : wxEVT_SCROLLWIN_THUMBTRACK;
3985         break;
3986
3987     default:
3988         return FALSE;
3989     }
3990
3991     return GetEventHandler()->ProcessEvent(event);
3992 }
3993
3994 // ===========================================================================
3995 // global functions
3996 // ===========================================================================
3997
3998 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
3999 {
4000     TEXTMETRIC tm;
4001     HDC dc = ::GetDC((HWND) wnd);
4002     HFONT fnt =0;
4003     HFONT was = 0;
4004     if ( the_font )
4005     {
4006         //    the_font->UseResource();
4007         //    the_font->RealizeResource();
4008         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4009         if ( fnt )
4010             was = (HFONT) SelectObject(dc,fnt);
4011     }
4012     GetTextMetrics(dc, &tm);
4013     if ( the_font && fnt && was )
4014     {
4015         SelectObject(dc,was);
4016     }
4017     ReleaseDC((HWND)wnd, dc);
4018
4019     if ( x )
4020         *x = tm.tmAveCharWidth;
4021     if ( y )
4022         *y = tm.tmHeight + tm.tmExternalLeading;
4023
4024     //  if ( the_font )
4025     //    the_font->ReleaseResource();
4026 }
4027
4028 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4029 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4030 int wxCharCodeMSWToWX(int keySym)
4031 {
4032     int id;
4033     switch (keySym)
4034     {
4035         case VK_CANCEL:     id = WXK_CANCEL; break;
4036         case VK_BACK:       id = WXK_BACK; break;
4037         case VK_TAB:        id = WXK_TAB; break;
4038         case VK_CLEAR:      id = WXK_CLEAR; break;
4039         case VK_RETURN:     id = WXK_RETURN; break;
4040         case VK_SHIFT:      id = WXK_SHIFT; break;
4041         case VK_CONTROL:    id = WXK_CONTROL; break;
4042         case VK_MENU :      id = WXK_MENU; break;
4043         case VK_PAUSE:      id = WXK_PAUSE; break;
4044         case VK_SPACE:      id = WXK_SPACE; break;
4045         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4046         case VK_PRIOR:      id = WXK_PRIOR; break;
4047         case VK_NEXT :      id = WXK_NEXT; break;
4048         case VK_END:        id = WXK_END; break;
4049         case VK_HOME :      id = WXK_HOME; break;
4050         case VK_LEFT :      id = WXK_LEFT; break;
4051         case VK_UP:         id = WXK_UP; break;
4052         case VK_RIGHT:      id = WXK_RIGHT; break;
4053         case VK_DOWN :      id = WXK_DOWN; break;
4054         case VK_SELECT:     id = WXK_SELECT; break;
4055         case VK_PRINT:      id = WXK_PRINT; break;
4056         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4057         case VK_INSERT:     id = WXK_INSERT; break;
4058         case VK_DELETE:     id = WXK_DELETE; break;
4059         case VK_HELP :      id = WXK_HELP; break;
4060         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4061         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4062         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4063         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4064         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4065         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4066         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4067         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4068         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4069         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4070         case VK_MULTIPLY:   id = WXK_MULTIPLY; break;
4071         case 0xBB: // VK_OEM_PLUS
4072         case VK_ADD:        id = WXK_ADD; break;
4073         case 0xBD: // VK_OEM_MINUS
4074         case VK_SUBTRACT:   id = WXK_SUBTRACT; break;
4075         case 0xBE: // VK_OEM_PERIOD
4076         case VK_DECIMAL:    id = WXK_DECIMAL; break;
4077         case VK_DIVIDE:     id = WXK_DIVIDE; break;
4078         case VK_F1:         id = WXK_F1; break;
4079         case VK_F2:         id = WXK_F2; break;
4080         case VK_F3:         id = WXK_F3; break;
4081         case VK_F4:         id = WXK_F4; break;
4082         case VK_F5:         id = WXK_F5; break;
4083         case VK_F6:         id = WXK_F6; break;
4084         case VK_F7:         id = WXK_F7; break;
4085         case VK_F8:         id = WXK_F8; break;
4086         case VK_F9:         id = WXK_F9; break;
4087         case VK_F10:        id = WXK_F10; break;
4088         case VK_F11:        id = WXK_F11; break;
4089         case VK_F12:        id = WXK_F12; break;
4090         case VK_F13:        id = WXK_F13; break;
4091         case VK_F14:        id = WXK_F14; break;
4092         case VK_F15:        id = WXK_F15; break;
4093         case VK_F16:        id = WXK_F16; break;
4094         case VK_F17:        id = WXK_F17; break;
4095         case VK_F18:        id = WXK_F18; break;
4096         case VK_F19:        id = WXK_F19; break;
4097         case VK_F20:        id = WXK_F20; break;
4098         case VK_F21:        id = WXK_F21; break;
4099         case VK_F22:        id = WXK_F22; break;
4100         case VK_F23:        id = WXK_F23; break;
4101         case VK_F24:        id = WXK_F24; break;
4102         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4103         case VK_SCROLL:     id = WXK_SCROLL; break;
4104         default:
4105             id = 0;
4106     }
4107
4108     return id;
4109 }
4110
4111 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4112 {
4113     *isVirtual = TRUE;
4114     int keySym = 0;
4115     switch (id)
4116     {
4117     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4118     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4119     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4120     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4121     case WXK_MENU :     keySym = VK_MENU; break;
4122     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4123     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4124     case WXK_NEXT :     keySym = VK_NEXT; break;
4125     case WXK_END:       keySym = VK_END; break;
4126     case WXK_HOME :     keySym = VK_HOME; break;
4127     case WXK_LEFT :     keySym = VK_LEFT; break;
4128     case WXK_UP:        keySym = VK_UP; break;
4129     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4130     case WXK_DOWN :     keySym = VK_DOWN; break;
4131     case WXK_SELECT:    keySym = VK_SELECT; break;
4132     case WXK_PRINT:     keySym = VK_PRINT; break;
4133     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4134     case WXK_INSERT:    keySym = VK_INSERT; break;
4135     case WXK_DELETE:    keySym = VK_DELETE; break;
4136     case WXK_HELP :     keySym = VK_HELP; break;
4137     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4138     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4139     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4140     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4141     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4142     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4143     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4144     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4145     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4146     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4147     case WXK_MULTIPLY:  keySym = VK_MULTIPLY; break;
4148     case WXK_ADD:       keySym = VK_ADD; break;
4149     case WXK_SUBTRACT:  keySym = VK_SUBTRACT; break;
4150     case WXK_DECIMAL:   keySym = VK_DECIMAL; break;
4151     case WXK_DIVIDE:    keySym = VK_DIVIDE; break;
4152     case WXK_F1:        keySym = VK_F1; break;
4153     case WXK_F2:        keySym = VK_F2; break;
4154     case WXK_F3:        keySym = VK_F3; break;
4155     case WXK_F4:        keySym = VK_F4; break;
4156     case WXK_F5:        keySym = VK_F5; break;
4157     case WXK_F6:        keySym = VK_F6; break;
4158     case WXK_F7:        keySym = VK_F7; break;
4159     case WXK_F8:        keySym = VK_F8; break;
4160     case WXK_F9:        keySym = VK_F9; break;
4161     case WXK_F10:       keySym = VK_F10; break;
4162     case WXK_F11:       keySym = VK_F11; break;
4163     case WXK_F12:       keySym = VK_F12; break;
4164     case WXK_F13:       keySym = VK_F13; break;
4165     case WXK_F14:       keySym = VK_F14; break;
4166     case WXK_F15:       keySym = VK_F15; break;
4167     case WXK_F16:       keySym = VK_F16; break;
4168     case WXK_F17:       keySym = VK_F17; break;
4169     case WXK_F18:       keySym = VK_F18; break;
4170     case WXK_F19:       keySym = VK_F19; break;
4171     case WXK_F20:       keySym = VK_F20; break;
4172     case WXK_F21:       keySym = VK_F21; break;
4173     case WXK_F22:       keySym = VK_F22; break;
4174     case WXK_F23:       keySym = VK_F23; break;
4175     case WXK_F24:       keySym = VK_F24; break;
4176     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4177     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4178     default:
4179         {
4180             *isVirtual = FALSE;
4181             keySym = id;
4182             break;
4183         }
4184     }
4185     return keySym;
4186 }
4187
4188 wxWindow *wxGetActiveWindow()
4189 {
4190     HWND hWnd = GetActiveWindow();
4191     if ( hWnd != 0 )
4192     {
4193         return wxFindWinFromHandle((WXHWND) hWnd);
4194     }
4195     return NULL;
4196 }
4197
4198 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4199 {
4200     HWND hwnd = (HWND)hWnd;
4201
4202     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4203     // by code in msw/radiobox.cpp), for all the others we just search up the
4204     // window hierarchy
4205     wxWindow *win = (wxWindow *)NULL;
4206     if ( hwnd )
4207     {
4208         win = wxFindWinFromHandle((WXHWND)hwnd);
4209         if ( !win )
4210         {
4211             // all these hacks only work under Win32 anyhow
4212 #ifdef __WIN32__
4213
4214 #if wxUSE_RADIOBOX
4215             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4216             // wxWindow class which overrides WM_GETDLGCODE processing to
4217             // do it as well, win would be already non NULL
4218             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4219             {
4220                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4221             }
4222             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4223 #endif // wxUSE_RADIOBOX
4224
4225             // spin control text buddy window should be mapped to spin ctrl
4226             // itself so try it too
4227 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4228             if ( !win )
4229             {
4230                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4231             }
4232 #endif // wxUSE_SPINCTRL
4233
4234 #endif // Win32
4235
4236             if ( !win )
4237             {
4238                 // hwnd is not a wxWindow, try its parent next below
4239                 hwnd = ::GetParent(hwnd);
4240             }
4241         }
4242     }
4243
4244     while ( hwnd && !win )
4245     {
4246         win = wxFindWinFromHandle((WXHWND)hwnd);
4247         hwnd = ::GetParent(hwnd);
4248     }
4249
4250     return win;
4251 }
4252
4253 #ifndef __WXMICROWIN__
4254
4255 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4256 // in active frames and dialogs, regardless of where the focus is.
4257 static HHOOK wxTheKeyboardHook = 0;
4258 static FARPROC wxTheKeyboardHookProc = 0;
4259 int APIENTRY _EXPORT
4260 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4261
4262 void wxSetKeyboardHook(bool doIt)
4263 {
4264     if ( doIt )
4265     {
4266         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4267         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4268
4269 #if defined(__WIN32__) && !defined(__TWIN32__)
4270             GetCurrentThreadId()
4271         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4272 #else
4273             GetCurrentTask()
4274 #endif
4275             );
4276     }
4277     else
4278     {
4279         UnhookWindowsHookEx(wxTheKeyboardHook);
4280
4281         // avoids warning about statement with no effect (FreeProcInstance
4282         // doesn't do anything under Win32)
4283 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4284         FreeProcInstance(wxTheKeyboardHookProc);
4285 #endif
4286     }
4287 }
4288
4289 int APIENTRY _EXPORT
4290 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4291 {
4292     DWORD hiWord = HIWORD(lParam);
4293     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4294     {
4295         int id = wxCharCodeMSWToWX(wParam);
4296         if ( id != 0 )
4297         {
4298             wxKeyEvent event(wxEVT_CHAR_HOOK);
4299             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4300                 event.m_altDown = TRUE;
4301
4302             event.m_eventObject = NULL;
4303             event.m_keyCode = id;
4304             event.m_shiftDown = wxIsShiftDown();
4305             event.m_controlDown = wxIsCtrlDown();
4306             event.SetTimestamp(s_currentMsg.time);
4307
4308             wxWindow *win = wxGetActiveWindow();
4309             wxEvtHandler *handler;
4310             if ( win )
4311             {
4312                 handler = win->GetEventHandler();
4313                 event.SetId(win->GetId());
4314             }
4315             else
4316             {
4317                 handler = wxTheApp;
4318                 event.SetId(-1);
4319             }
4320
4321             if ( handler && handler->ProcessEvent(event) )
4322             {
4323                 // processed
4324                 return 1;
4325             }
4326         }
4327     }
4328
4329     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4330 }
4331 #endif
4332
4333 #ifdef __WXDEBUG__
4334 const char *wxGetMessageName(int message)
4335 {
4336     switch ( message )
4337     {
4338         case 0x0000: return "WM_NULL";
4339         case 0x0001: return "WM_CREATE";
4340         case 0x0002: return "WM_DESTROY";
4341         case 0x0003: return "WM_MOVE";
4342         case 0x0005: return "WM_SIZE";
4343         case 0x0006: return "WM_ACTIVATE";
4344         case 0x0007: return "WM_SETFOCUS";
4345         case 0x0008: return "WM_KILLFOCUS";
4346         case 0x000A: return "WM_ENABLE";
4347         case 0x000B: return "WM_SETREDRAW";
4348         case 0x000C: return "WM_SETTEXT";
4349         case 0x000D: return "WM_GETTEXT";
4350         case 0x000E: return "WM_GETTEXTLENGTH";
4351         case 0x000F: return "WM_PAINT";
4352         case 0x0010: return "WM_CLOSE";
4353         case 0x0011: return "WM_QUERYENDSESSION";
4354         case 0x0012: return "WM_QUIT";
4355         case 0x0013: return "WM_QUERYOPEN";
4356         case 0x0014: return "WM_ERASEBKGND";
4357         case 0x0015: return "WM_SYSCOLORCHANGE";
4358         case 0x0016: return "WM_ENDSESSION";
4359         case 0x0017: return "WM_SYSTEMERROR";
4360         case 0x0018: return "WM_SHOWWINDOW";
4361         case 0x0019: return "WM_CTLCOLOR";
4362         case 0x001A: return "WM_WININICHANGE";
4363         case 0x001B: return "WM_DEVMODECHANGE";
4364         case 0x001C: return "WM_ACTIVATEAPP";
4365         case 0x001D: return "WM_FONTCHANGE";
4366         case 0x001E: return "WM_TIMECHANGE";
4367         case 0x001F: return "WM_CANCELMODE";
4368         case 0x0020: return "WM_SETCURSOR";
4369         case 0x0021: return "WM_MOUSEACTIVATE";
4370         case 0x0022: return "WM_CHILDACTIVATE";
4371         case 0x0023: return "WM_QUEUESYNC";
4372         case 0x0024: return "WM_GETMINMAXINFO";
4373         case 0x0026: return "WM_PAINTICON";
4374         case 0x0027: return "WM_ICONERASEBKGND";
4375         case 0x0028: return "WM_NEXTDLGCTL";
4376         case 0x002A: return "WM_SPOOLERSTATUS";
4377         case 0x002B: return "WM_DRAWITEM";
4378         case 0x002C: return "WM_MEASUREITEM";
4379         case 0x002D: return "WM_DELETEITEM";
4380         case 0x002E: return "WM_VKEYTOITEM";
4381         case 0x002F: return "WM_CHARTOITEM";
4382         case 0x0030: return "WM_SETFONT";
4383         case 0x0031: return "WM_GETFONT";
4384         case 0x0037: return "WM_QUERYDRAGICON";
4385         case 0x0039: return "WM_COMPAREITEM";
4386         case 0x0041: return "WM_COMPACTING";
4387         case 0x0044: return "WM_COMMNOTIFY";
4388         case 0x0046: return "WM_WINDOWPOSCHANGING";
4389         case 0x0047: return "WM_WINDOWPOSCHANGED";
4390         case 0x0048: return "WM_POWER";
4391
4392 #ifdef  __WIN32__
4393         case 0x004A: return "WM_COPYDATA";
4394         case 0x004B: return "WM_CANCELJOURNAL";
4395         case 0x004E: return "WM_NOTIFY";
4396         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4397         case 0x0051: return "WM_INPUTLANGCHANGE";
4398         case 0x0052: return "WM_TCARD";
4399         case 0x0053: return "WM_HELP";
4400         case 0x0054: return "WM_USERCHANGED";
4401         case 0x0055: return "WM_NOTIFYFORMAT";
4402         case 0x007B: return "WM_CONTEXTMENU";
4403         case 0x007C: return "WM_STYLECHANGING";
4404         case 0x007D: return "WM_STYLECHANGED";
4405         case 0x007E: return "WM_DISPLAYCHANGE";
4406         case 0x007F: return "WM_GETICON";
4407         case 0x0080: return "WM_SETICON";
4408 #endif  //WIN32
4409
4410         case 0x0081: return "WM_NCCREATE";
4411         case 0x0082: return "WM_NCDESTROY";
4412         case 0x0083: return "WM_NCCALCSIZE";
4413         case 0x0084: return "WM_NCHITTEST";
4414         case 0x0085: return "WM_NCPAINT";
4415         case 0x0086: return "WM_NCACTIVATE";
4416         case 0x0087: return "WM_GETDLGCODE";
4417         case 0x00A0: return "WM_NCMOUSEMOVE";
4418         case 0x00A1: return "WM_NCLBUTTONDOWN";
4419         case 0x00A2: return "WM_NCLBUTTONUP";
4420         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4421         case 0x00A4: return "WM_NCRBUTTONDOWN";
4422         case 0x00A5: return "WM_NCRBUTTONUP";
4423         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4424         case 0x00A7: return "WM_NCMBUTTONDOWN";
4425         case 0x00A8: return "WM_NCMBUTTONUP";
4426         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4427         case 0x0100: return "WM_KEYDOWN";
4428         case 0x0101: return "WM_KEYUP";
4429         case 0x0102: return "WM_CHAR";
4430         case 0x0103: return "WM_DEADCHAR";
4431         case 0x0104: return "WM_SYSKEYDOWN";
4432         case 0x0105: return "WM_SYSKEYUP";
4433         case 0x0106: return "WM_SYSCHAR";
4434         case 0x0107: return "WM_SYSDEADCHAR";
4435         case 0x0108: return "WM_KEYLAST";
4436
4437 #ifdef  __WIN32__
4438         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4439         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4440         case 0x010F: return "WM_IME_COMPOSITION";
4441 #endif  //WIN32
4442
4443         case 0x0110: return "WM_INITDIALOG";
4444         case 0x0111: return "WM_COMMAND";
4445         case 0x0112: return "WM_SYSCOMMAND";
4446         case 0x0113: return "WM_TIMER";
4447         case 0x0114: return "WM_HSCROLL";
4448         case 0x0115: return "WM_VSCROLL";
4449         case 0x0116: return "WM_INITMENU";
4450         case 0x0117: return "WM_INITMENUPOPUP";
4451         case 0x011F: return "WM_MENUSELECT";
4452         case 0x0120: return "WM_MENUCHAR";
4453         case 0x0121: return "WM_ENTERIDLE";
4454         case 0x0200: return "WM_MOUSEMOVE";
4455         case 0x0201: return "WM_LBUTTONDOWN";
4456         case 0x0202: return "WM_LBUTTONUP";
4457         case 0x0203: return "WM_LBUTTONDBLCLK";
4458         case 0x0204: return "WM_RBUTTONDOWN";
4459         case 0x0205: return "WM_RBUTTONUP";
4460         case 0x0206: return "WM_RBUTTONDBLCLK";
4461         case 0x0207: return "WM_MBUTTONDOWN";
4462         case 0x0208: return "WM_MBUTTONUP";
4463         case 0x0209: return "WM_MBUTTONDBLCLK";
4464         case 0x020A: return "WM_MOUSEWHEEL";
4465         case 0x0210: return "WM_PARENTNOTIFY";
4466         case 0x0211: return "WM_ENTERMENULOOP";
4467         case 0x0212: return "WM_EXITMENULOOP";
4468
4469 #ifdef  __WIN32__
4470         case 0x0213: return "WM_NEXTMENU";
4471         case 0x0214: return "WM_SIZING";
4472         case 0x0215: return "WM_CAPTURECHANGED";
4473         case 0x0216: return "WM_MOVING";
4474         case 0x0218: return "WM_POWERBROADCAST";
4475         case 0x0219: return "WM_DEVICECHANGE";
4476 #endif  //WIN32
4477
4478         case 0x0220: return "WM_MDICREATE";
4479         case 0x0221: return "WM_MDIDESTROY";
4480         case 0x0222: return "WM_MDIACTIVATE";
4481         case 0x0223: return "WM_MDIRESTORE";
4482         case 0x0224: return "WM_MDINEXT";
4483         case 0x0225: return "WM_MDIMAXIMIZE";
4484         case 0x0226: return "WM_MDITILE";
4485         case 0x0227: return "WM_MDICASCADE";
4486         case 0x0228: return "WM_MDIICONARRANGE";
4487         case 0x0229: return "WM_MDIGETACTIVE";
4488         case 0x0230: return "WM_MDISETMENU";
4489         case 0x0233: return "WM_DROPFILES";
4490
4491 #ifdef  __WIN32__
4492         case 0x0281: return "WM_IME_SETCONTEXT";
4493         case 0x0282: return "WM_IME_NOTIFY";
4494         case 0x0283: return "WM_IME_CONTROL";
4495         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4496         case 0x0285: return "WM_IME_SELECT";
4497         case 0x0286: return "WM_IME_CHAR";
4498         case 0x0290: return "WM_IME_KEYDOWN";
4499         case 0x0291: return "WM_IME_KEYUP";
4500 #endif  //WIN32
4501
4502         case 0x0300: return "WM_CUT";
4503         case 0x0301: return "WM_COPY";
4504         case 0x0302: return "WM_PASTE";
4505         case 0x0303: return "WM_CLEAR";
4506         case 0x0304: return "WM_UNDO";
4507         case 0x0305: return "WM_RENDERFORMAT";
4508         case 0x0306: return "WM_RENDERALLFORMATS";
4509         case 0x0307: return "WM_DESTROYCLIPBOARD";
4510         case 0x0308: return "WM_DRAWCLIPBOARD";
4511         case 0x0309: return "WM_PAINTCLIPBOARD";
4512         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4513         case 0x030B: return "WM_SIZECLIPBOARD";
4514         case 0x030C: return "WM_ASKCBFORMATNAME";
4515         case 0x030D: return "WM_CHANGECBCHAIN";
4516         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4517         case 0x030F: return "WM_QUERYNEWPALETTE";
4518         case 0x0310: return "WM_PALETTEISCHANGING";
4519         case 0x0311: return "WM_PALETTECHANGED";
4520
4521 #ifdef __WIN32__
4522         // common controls messages - although they're not strictly speaking
4523         // standard, it's nice to decode them nevertheless
4524
4525         // listview
4526         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4527         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4528         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4529         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4530         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4531         case 0x1000 + 5: return "LVM_GETITEMA";
4532         case 0x1000 + 75: return "LVM_GETITEMW";
4533         case 0x1000 + 6: return "LVM_SETITEMA";
4534         case 0x1000 + 76: return "LVM_SETITEMW";
4535         case 0x1000 + 7: return "LVM_INSERTITEMA";
4536         case 0x1000 + 77: return "LVM_INSERTITEMW";
4537         case 0x1000 + 8: return "LVM_DELETEITEM";
4538         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4539         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4540         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4541         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4542         case 0x1000 + 13: return "LVM_FINDITEMA";
4543         case 0x1000 + 83: return "LVM_FINDITEMW";
4544         case 0x1000 + 14: return "LVM_GETITEMRECT";
4545         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4546         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4547         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4548         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4549         case 0x1000 + 18: return "LVM_HITTEST";
4550         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4551         case 0x1000 + 20: return "LVM_SCROLL";
4552         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4553         case 0x1000 + 22: return "LVM_ARRANGE";
4554         case 0x1000 + 23: return "LVM_EDITLABELA";
4555         case 0x1000 + 118: return "LVM_EDITLABELW";
4556         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4557         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4558         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4559         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4560         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4561         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4562         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4563         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4564         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4565         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4566         case 0x1000 + 31: return "LVM_GETHEADER";
4567         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4568         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4569         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4570         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4571         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4572         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4573         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4574         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4575         case 0x1000 + 41: return "LVM_GETORIGIN";
4576         case 0x1000 + 42: return "LVM_UPDATE";
4577         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4578         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4579         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4580         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4581         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4582         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4583         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4584         case 0x1000 + 48: return "LVM_SORTITEMS";
4585         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4586         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4587         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4588         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4589         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4590         case 0x1000 + 53: return "LVM_SETICONSPACING";
4591         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4592         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4593         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4594         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4595         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4596         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4597         case 0x1000 + 60: return "LVM_SETHOTITEM";
4598         case 0x1000 + 61: return "LVM_GETHOTITEM";
4599         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4600         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4601         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4602         case 0x1000 + 65: return "LVM_SETWORKAREA";
4603
4604         // tree view
4605         case 0x1100 + 0: return "TVM_INSERTITEMA";
4606         case 0x1100 + 50: return "TVM_INSERTITEMW";
4607         case 0x1100 + 1: return "TVM_DELETEITEM";
4608         case 0x1100 + 2: return "TVM_EXPAND";
4609         case 0x1100 + 4: return "TVM_GETITEMRECT";
4610         case 0x1100 + 5: return "TVM_GETCOUNT";
4611         case 0x1100 + 6: return "TVM_GETINDENT";
4612         case 0x1100 + 7: return "TVM_SETINDENT";
4613         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4614         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4615         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4616         case 0x1100 + 11: return "TVM_SELECTITEM";
4617         case 0x1100 + 12: return "TVM_GETITEMA";
4618         case 0x1100 + 62: return "TVM_GETITEMW";
4619         case 0x1100 + 13: return "TVM_SETITEMA";
4620         case 0x1100 + 63: return "TVM_SETITEMW";
4621         case 0x1100 + 14: return "TVM_EDITLABELA";
4622         case 0x1100 + 65: return "TVM_EDITLABELW";
4623         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4624         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4625         case 0x1100 + 17: return "TVM_HITTEST";
4626         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4627         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4628         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4629         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4630         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4631         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4632         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4633         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4634         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4635
4636         // header
4637         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4638         case 0x1200 + 1: return "HDM_INSERTITEMA";
4639         case 0x1200 + 10: return "HDM_INSERTITEMW";
4640         case 0x1200 + 2: return "HDM_DELETEITEM";
4641         case 0x1200 + 3: return "HDM_GETITEMA";
4642         case 0x1200 + 11: return "HDM_GETITEMW";
4643         case 0x1200 + 4: return "HDM_SETITEMA";
4644         case 0x1200 + 12: return "HDM_SETITEMW";
4645         case 0x1200 + 5: return "HDM_LAYOUT";
4646         case 0x1200 + 6: return "HDM_HITTEST";
4647         case 0x1200 + 7: return "HDM_GETITEMRECT";
4648         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4649         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4650         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4651         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4652         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4653         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4654         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4655
4656         // tab control
4657         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4658         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4659         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4660         case 0x1300 + 5: return "TCM_GETITEMA";
4661         case 0x1300 + 60: return "TCM_GETITEMW";
4662         case 0x1300 + 6: return "TCM_SETITEMA";
4663         case 0x1300 + 61: return "TCM_SETITEMW";
4664         case 0x1300 + 7: return "TCM_INSERTITEMA";
4665         case 0x1300 + 62: return "TCM_INSERTITEMW";
4666         case 0x1300 + 8: return "TCM_DELETEITEM";
4667         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4668         case 0x1300 + 10: return "TCM_GETITEMRECT";
4669         case 0x1300 + 11: return "TCM_GETCURSEL";
4670         case 0x1300 + 12: return "TCM_SETCURSEL";
4671         case 0x1300 + 13: return "TCM_HITTEST";
4672         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4673         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4674         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4675         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4676         case 0x1300 + 43: return "TCM_SETPADDING";
4677         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4678         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4679         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4680         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4681         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4682         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4683         case 0x1300 + 50: return "TCM_DESELECTALL";
4684
4685         // toolbar
4686         case WM_USER+1: return "TB_ENABLEBUTTON";
4687         case WM_USER+2: return "TB_CHECKBUTTON";
4688         case WM_USER+3: return "TB_PRESSBUTTON";
4689         case WM_USER+4: return "TB_HIDEBUTTON";
4690         case WM_USER+5: return "TB_INDETERMINATE";
4691         case WM_USER+9: return "TB_ISBUTTONENABLED";
4692         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4693         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4694         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4695         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4696         case WM_USER+17: return "TB_SETSTATE";
4697         case WM_USER+18: return "TB_GETSTATE";
4698         case WM_USER+19: return "TB_ADDBITMAP";
4699         case WM_USER+20: return "TB_ADDBUTTONS";
4700         case WM_USER+21: return "TB_INSERTBUTTON";
4701         case WM_USER+22: return "TB_DELETEBUTTON";
4702         case WM_USER+23: return "TB_GETBUTTON";
4703         case WM_USER+24: return "TB_BUTTONCOUNT";
4704         case WM_USER+25: return "TB_COMMANDTOINDEX";
4705         case WM_USER+26: return "TB_SAVERESTOREA";
4706         case WM_USER+76: return "TB_SAVERESTOREW";
4707         case WM_USER+27: return "TB_CUSTOMIZE";
4708         case WM_USER+28: return "TB_ADDSTRINGA";
4709         case WM_USER+77: return "TB_ADDSTRINGW";
4710         case WM_USER+29: return "TB_GETITEMRECT";
4711         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4712         case WM_USER+31: return "TB_SETBUTTONSIZE";
4713         case WM_USER+32: return "TB_SETBITMAPSIZE";
4714         case WM_USER+33: return "TB_AUTOSIZE";
4715         case WM_USER+35: return "TB_GETTOOLTIPS";
4716         case WM_USER+36: return "TB_SETTOOLTIPS";
4717         case WM_USER+37: return "TB_SETPARENT";
4718         case WM_USER+39: return "TB_SETROWS";
4719         case WM_USER+40: return "TB_GETROWS";
4720         case WM_USER+42: return "TB_SETCMDID";
4721         case WM_USER+43: return "TB_CHANGEBITMAP";
4722         case WM_USER+44: return "TB_GETBITMAP";
4723         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4724         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4725         case WM_USER+46: return "TB_REPLACEBITMAP";
4726         case WM_USER+47: return "TB_SETINDENT";
4727         case WM_USER+48: return "TB_SETIMAGELIST";
4728         case WM_USER+49: return "TB_GETIMAGELIST";
4729         case WM_USER+50: return "TB_LOADIMAGES";
4730         case WM_USER+51: return "TB_GETRECT";
4731         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4732         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4733         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4734         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4735         case WM_USER+56: return "TB_SETSTYLE";
4736         case WM_USER+57: return "TB_GETSTYLE";
4737         case WM_USER+58: return "TB_GETBUTTONSIZE";
4738         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4739         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4740         case WM_USER+61: return "TB_GETTEXTROWS";
4741         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4742
4743 #endif //WIN32
4744
4745         default:
4746             static char s_szBuf[128];
4747             sprintf(s_szBuf, "<unknown message = %d>", message);
4748             return s_szBuf;
4749     }
4750 }
4751 #endif //__WXDEBUG__
4752
4753 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4754                                      int *x, int *y, WPARAM *flags)
4755 {
4756     // construct the key mask
4757     WPARAM& fwKeys = *flags;
4758
4759     fwKeys = MK_RBUTTON;
4760     if ( wxIsCtrlDown() )
4761         fwKeys |= MK_CONTROL;
4762     if ( wxIsShiftDown() )
4763         fwKeys |= MK_SHIFT;
4764
4765     // simulate right mouse button click
4766     DWORD dwPos = ::GetMessagePos();
4767     *x = GET_X_LPARAM(dwPos);
4768     *y = GET_Y_LPARAM(dwPos);
4769
4770     win->ScreenToClient(x, y);
4771 }
4772
4773 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4774 {
4775     // prepare the DC
4776     TEXTMETRIC tm;
4777     HWND hwnd = GetHwndOf(win);
4778     HDC hdc = ::GetDC(hwnd);
4779
4780 #if !wxDIALOG_UNIT_COMPATIBILITY
4781     // and select the current font into it
4782     HFONT hfont = GetHfontOf(win->GetFont());
4783     if ( hfont )
4784     {
4785         hfont = (HFONT)::SelectObject(hdc, hfont);
4786     }
4787 #endif
4788
4789     // finally retrieve the text metrics from it
4790     GetTextMetrics(hdc, &tm);
4791
4792 #if !wxDIALOG_UNIT_COMPATIBILITY
4793     // and clean up
4794     if ( hfont )
4795     {
4796         (void)::SelectObject(hdc, hfont);
4797     }
4798 #endif
4799
4800     ::ReleaseDC(hwnd, hdc);
4801
4802     return tm;
4803 }
4804
4805 // Find the wxWindow at the current mouse position, returning the mouse
4806 // position.
4807 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4808 {
4809     return wxFindWindowAtPoint(wxGetMousePosition());
4810 }
4811
4812 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4813 {
4814     POINT pt2;
4815     pt2.x = pt.x;
4816     pt2.y = pt.y;
4817     HWND hWndHit = ::WindowFromPoint(pt2);
4818
4819     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4820     HWND hWnd = hWndHit;
4821
4822     // Try to find a window with a wxWindow associated with it
4823     while (!win && (hWnd != 0))
4824     {
4825         hWnd = ::GetParent(hWnd);
4826         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4827     }
4828     return win;
4829 }
4830
4831 // Get the current mouse position.
4832 wxPoint wxGetMousePosition()
4833 {
4834     POINT pt;
4835     GetCursorPos( & pt );
4836     return wxPoint(pt.x, pt.y);
4837 }
4838