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/layout.h"
  43     #include "wx/dialog.h"
  44     #include "wx/frame.h"
  45     #include "wx/listbox.h"
  46     #include "wx/button.h"
  47     #include "wx/msgdlg.h"
  48     #include "wx/settings.h"
  49     #include "wx/statbox.h"
  50 #endif
  51
  52 #if wxUSE_OWNER_DRAWN
  53     #include "wx/ownerdrw.h"
  54 #endif
  55
  56 #if wxUSE_DRAG_AND_DROP
  57     #include "wx/dnd.h"
  58 #endif
  59
  60 #include "wx/menuitem.h"
  61 #include "wx/log.h"
  62
  63 #include "wx/msw/private.h"
  64
  65 #if wxUSE_TOOLTIPS
  66     #include "wx/tooltip.h"
  67 #endif
  68
  69 #if wxUSE_CARET
  70     #include "wx/caret.h"
  71 #endif // wxUSE_CARET
  72
  73 #if wxUSE_SPINCTRL
  74     #include "wx/spinctrl.h"
  75 #endif // wxUSE_SPINCTRL
  76
  77 #include "wx/intl.h"
  78 #include "wx/log.h"
  79
  80 #include "wx/textctrl.h"
  81 #include "wx/notebook.h"
  82
  83 #include <string.h>
  84
  85 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  86     #include <shellapi.h>
  87     #include <mmsystem.h>
  88 #endif
  89
  90 #ifdef __WIN32__
  91     #include <windowsx.h>
  92 #endif
  93
  94 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  95     #ifdef __WIN95__
  96         #include <commctrl.h>
  97     #endif
  98 #elif !defined(__WXMICROWIN__) // broken compiler
  99     #ifndef __TWIN32__
 100         #include "wx/msw/gnuwin32/extra.h"
 101     #endif
 102 #endif
 103
 104 // This didn't appear in mingw until 2.95.2
 105 #ifndef SIF_TRACKPOS
 106 #define SIF_TRACKPOS 16
 107 #endif
 108
 109 #if wxUSE_MOUSEWHEEL
 110     #ifndef WM_MOUSEWHEEL
 111         #define WM_MOUSEWHEEL           0x020A
 112     #endif
 113     #ifndef WHEEL_DELTA
 114         #define WHEEL_DELTA             120
 115     #endif
 116     #ifndef SPI_GETWHEELSCROLLLINES
 117         #define SPI_GETWHEELSCROLLLINES 104
 118     #endif
 119 #endif
 120
 121
 122 // ---------------------------------------------------------------------------
 123 // global variables
 124 // ---------------------------------------------------------------------------
 125
 126 // the last Windows message we got (MT-UNSAFE)
 127 extern MSG s_currentMsg;
 128
 129 #if wxUSE_MENUS_NATIVE
 130 wxMenu *wxCurrentPopupMenu = NULL;
 131 #endif // wxUSE_MENUS_NATIVE
 132
 133 extern const wxChar *wxCanvasClassName;
 134
 135 // ---------------------------------------------------------------------------
 136 // private functions
 137 // ---------------------------------------------------------------------------
 138
 139 // the window proc for all our windows
 140 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 141                                    WPARAM wParam, LPARAM lParam);
 142
 143 #ifdef  __WXDEBUG__
 144     const char *wxGetMessageName(int message);
 145 #endif  //__WXDEBUG__
 146
 147 void wxRemoveHandleAssociation(wxWindowMSW *win);
 148 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 149 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 150
 151 // this magical function is used to translate VK_APPS key presses to right
 152 // mouse clicks
 153 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 154                                      int *x, int *y, WPARAM *flags);
 155
 156 // get the text metrics for the current font
 157 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 158
 159 // check if the mouse is in the window or its child
 160 static bool IsMouseInWindow(HWND hwnd);
 161
 162 // wrapper around BringWindowToTop() API
 163 static inline wxBringWindowToTop(HWND hwnd)
 164 {
 165 #ifdef __WXMICROWIN__
 166     // It seems that MicroWindows brings the _parent_ of the window to the top,
 167     // which can be the wrong one.
 168
 169     // activate (set focus to) specified window
 170     ::SetFocus(hwnd);
 171
 172     // raise top level parent to top of z order
 173     ::SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
 174 #else // !__WXMICROWIN__
 175     if ( !::BringWindowToTop(hwnd) )
 176     {
 177         wxLogLastError(_T("BringWindowToTop"));
 178     }
 179 #endif // __WXMICROWIN__/!__WXMICROWIN__
 180 }
 181
 182 // ---------------------------------------------------------------------------
 183 // event tables
 184 // ---------------------------------------------------------------------------
 185
 186 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 187 // method
 188 #ifdef __WXUNIVERSAL__
 189     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 190 #else // __WXMSW__
 191     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 192 #endif // __WXUNIVERSAL__/__WXMSW__
 193
 194 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 195     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 196     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 197     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 198     EVT_IDLE(wxWindowMSW::OnIdle)
 199 END_EVENT_TABLE()
 200
 201 // ===========================================================================
 202 // implementation
 203 // ===========================================================================
 204
 205 // ---------------------------------------------------------------------------
 206 // wxWindow utility functions
 207 // ---------------------------------------------------------------------------
 208
 209 // Find an item given the MS Windows id
 210 wxWindow *wxWindowMSW::FindItem(long id) const
 211 {
 212 #if wxUSE_CONTROLS
 213     wxControl *item = wxDynamicCastThis(wxControl);
 214     if ( item )
 215     {
 216         // is it we or one of our "internal" children?
 217         if ( item->GetId() == id
 218 #ifndef __WXUNIVERSAL__
 219                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 220 #endif // __WXUNIVERSAL__
 221            )
 222         {
 223             return item;
 224         }
 225     }
 226 #endif // wxUSE_CONTROLS
 227
 228     wxWindowList::Node *current = GetChildren().GetFirst();
 229     while (current)
 230     {
 231         wxWindow *childWin = current->GetData();
 232
 233         wxWindow *wnd = childWin->FindItem(id);
 234         if ( wnd )
 235             return wnd;
 236
 237         current = current->GetNext();
 238     }
 239
 240     return NULL;
 241 }
 242
 243 // Find an item given the MS Windows handle
 244 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 245 {
 246     wxWindowList::Node *current = GetChildren().GetFirst();
 247     while (current)
 248     {
 249         wxWindow *parent = current->GetData();
 250
 251         // Do a recursive search.
 252         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 253         if ( wnd )
 254             return wnd;
 255
 256         if ( !controlOnly
 257 #if wxUSE_CONTROLS
 258                 || parent->IsKindOf(CLASSINFO(wxControl))
 259 #endif // wxUSE_CONTROLS
 260            )
 261         {
 262             wxWindow *item = current->GetData();
 263             if ( item->GetHWND() == hWnd )
 264                 return item;
 265             else
 266             {
 267                 if ( item->ContainsHWND(hWnd) )
 268                     return item;
 269             }
 270         }
 271
 272         current = current->GetNext();
 273     }
 274     return NULL;
 275 }
 276
 277 // Default command handler
 278 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 279 {
 280     return FALSE;
 281 }
 282
 283 // ----------------------------------------------------------------------------
 284 // constructors and such
 285 // ----------------------------------------------------------------------------
 286
 287 void wxWindowMSW::Init()
 288 {
 289     // generic
 290     InitBase();
 291
 292     // MSW specific
 293     m_doubleClickAllowed = 0;
 294
 295     m_isBeingDeleted = FALSE;
 296     m_oldWndProc = 0;
 297     m_useCtl3D = FALSE;
 298     m_mouseInWindow = FALSE;
 299
 300     // wxWnd
 301     m_hMenu = 0;
 302
 303     m_hWnd = 0;
 304
 305     // pass WM_GETDLGCODE to DefWindowProc()
 306     m_lDlgCode = 0;
 307
 308     m_xThumbSize = 0;
 309     m_yThumbSize = 0;
 310     m_backgroundTransparent = FALSE;
 311
 312     // as all windows are created with WS_VISIBLE style...
 313     m_isShown = TRUE;
 314
 315 #if wxUSE_MOUSEEVENT_HACK
 316     m_lastMouseX =
 317     m_lastMouseY = -1;
 318     m_lastMouseEvent = -1;
 319 #endif // wxUSE_MOUSEEVENT_HACK
 320 }
 321
 322 // Destructor
 323 wxWindowMSW::~wxWindowMSW()
 324 {
 325     m_isBeingDeleted = TRUE;
 326
 327     MSWDetachWindowMenu();
 328
 329     // VS: make sure there's no wxFrame with last focus set to us:
 330     for (wxWindow *win = GetParent(); win; win = win->GetParent())
 331     {
 332         wxFrame *frame = wxDynamicCast(win, wxFrame);
 333         if ( frame )
 334         {
 335             if ( frame->GetLastFocus() == this )
 336                 frame->SetLastFocus((wxWindow*)NULL);
 337             break;
 338         }
 339     }
 340
 341     // VS: destroy children first and _then_ detach *this from its parent.
 342     //     If we'd do it the other way around, children wouldn't be able
 343     //     find their parent frame (see above).
 344     DestroyChildren();
 345
 346     if ( m_parent )
 347         m_parent->RemoveChild(this);
 348
 349     if ( m_hWnd )
 350     {
 351         // VZ: test temp removed to understand what really happens here
 352         //if (::IsWindow(GetHwnd()))
 353         {
 354             if ( !::DestroyWindow(GetHwnd()) )
 355                 wxLogLastError(wxT("DestroyWindow"));
 356         }
 357
 358         // remove hWnd <-> wxWindow association
 359         wxRemoveHandleAssociation(this);
 360     }
 361 }
 362
 363 // real construction (Init() must have been called before!)
 364 bool wxWindowMSW::Create(wxWindow *parent,
 365                          wxWindowID id,
 366                          const wxPoint& pos,
 367                          const wxSize& size,
 368                          long style,
 369                          const wxString& name)
 370 {
 371     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 372
 373 #if wxUSE_STATBOX
 374     // wxGTK doesn't allow to create controls with static box as the parent so
 375     // this will result in a crash when the program is ported to wxGTK - warn
 376     // about it
 377     //
 378     // the correct solution is to create the controls as siblings of the
 379     // static box
 380     wxASSERT_MSG( !wxDynamicCastThis(wxStaticBox),
 381                   _T("wxStaticBox can't be used as a window parent!") );
 382 #endif // wxUSE_STATBOX
 383
 384     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 385         return FALSE;
 386
 387     parent->AddChild(this);
 388
 389     // all windows are created visible
 390     DWORD msflags = WS_CHILD | WS_VISIBLE;
 391
 392 #ifdef __WXUNIVERSAL__
 393     // no 3d effects, we draw them ourselves
 394     WXDWORD exStyle = 0;
 395 #else // !wxUniversal
 396     if ( style & wxCLIP_CHILDREN )
 397         msflags |= WS_CLIPCHILDREN;
 398     if ( style & wxCLIP_SIBLINGS )
 399         msflags |= WS_CLIPSIBLINGS;
 400
 401     bool want3D;
 402     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 403
 404     // Even with extended styles, need to combine with WS_BORDER
 405     // for them to look right.
 406     if ( want3D ||
 407         (m_windowStyle & (wxBORDER |
 408                           wxSIMPLE_BORDER |
 409                           wxRAISED_BORDER |
 410                           wxSUNKEN_BORDER |
 411                           wxDOUBLE_BORDER)) )
 412     {
 413         msflags |= WS_BORDER;
 414     }
 415
 416     // calculate the value to return from WM_GETDLGCODE handler
 417     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 418     {
 419         // want everything: i.e. all keys and WM_CHAR message
 420         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 421                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 422     }
 423 #endif // wxUniversal/!wxUniversal
 424
 425     if ( style & wxPOPUP_WINDOW )
 426     {
 427         // a popup window floats on top of everything
 428         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 429
 430         // it is also created hidden as other top level windows
 431         msflags &= ~WS_VISIBLE;
 432         m_isShown = FALSE;
 433     }
 434
 435     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 436                      (wxWindow *)this, NULL,
 437                      pos.x, pos.y,
 438                      WidthDefault(size.x), HeightDefault(size.y),
 439                      msflags, NULL, exStyle);
 440 }
 441
 442 // ---------------------------------------------------------------------------
 443 // basic operations
 444 // ---------------------------------------------------------------------------
 445
 446 void wxWindowMSW::SetFocus()
 447 {
 448     HWND hWnd = GetHwnd();
 449     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 450
 451 #ifndef __WXMICROWIN__
 452     ::SetLastError(0);
 453 #endif
 454
 455     if ( !::SetFocus(hWnd) )
 456     {
 457         // was there really an error?
 458 #ifndef __WXMICROWIN__
 459         DWORD dwRes = ::GetLastError();
 460 #else
 461
 462         DWORD dwRes = 0;
 463 #endif
 464         if ( dwRes )
 465         {
 466             wxLogApiError(_T("SetFocus"), dwRes);
 467         }
 468
 469         // VZ: just why does this happen sometimes?? any idea?
 470 #if 0
 471         HWND hwndFocus = ::GetFocus();
 472         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 473 #endif // 0
 474     }
 475 }
 476
 477 // Get the window with the focus
 478 wxWindow *wxWindowBase::FindFocus()
 479 {
 480     HWND hWnd = ::GetFocus();
 481     if ( hWnd )
 482     {
 483         return wxGetWindowFromHWND((WXHWND)hWnd);
 484     }
 485
 486     return NULL;
 487 }
 488
 489 bool wxWindowMSW::Enable(bool enable)
 490 {
 491     if ( !wxWindowBase::Enable(enable) )
 492         return FALSE;
 493
 494     HWND hWnd = GetHwnd();
 495     if ( hWnd )
 496         ::EnableWindow(hWnd, (BOOL)enable);
 497
 498     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 499     //     disabled controls and disable it - you really wouldn't like the
 500     //     disabled controls be reenabled too when you reenable the dialog!
 501 #if 0
 502     wxWindowList::Node *node = GetChildren().GetFirst();
 503     while ( node )
 504     {
 505         wxWindow *child = node->GetData();
 506         child->Enable(enable);
 507
 508         node = node->GetNext();
 509     }
 510 #endif // 0
 511
 512     return TRUE;
 513 }
 514
 515 bool wxWindowMSW::Show(bool show)
 516 {
 517     if ( !wxWindowBase::Show(show) )
 518         return FALSE;
 519
 520     HWND hWnd = GetHwnd();
 521     int cshow = show ? SW_SHOW : SW_HIDE;
 522     ::ShowWindow(hWnd, cshow);
 523
 524     if ( show )
 525     {
 526         wxBringWindowToTop(hWnd);
 527     }
 528
 529     return TRUE;
 530 }
 531
 532 // Raise the window to the top of the Z order
 533 void wxWindowMSW::Raise()
 534 {
 535     wxBringWindowToTop(GetHwnd());
 536 }
 537
 538 // Lower the window to the bottom of the Z order
 539 void wxWindowMSW::Lower()
 540 {
 541     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 542                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 543 }
 544
 545 void wxWindowMSW::SetTitle( const wxString& title)
 546 {
 547     SetWindowText(GetHwnd(), title.c_str());
 548 }
 549
 550 wxString wxWindowMSW::GetTitle() const
 551 {
 552     return wxGetWindowText(GetHWND());
 553 }
 554
 555 void wxWindowMSW::CaptureMouse()
 556 {
 557     HWND hWnd = GetHwnd();
 558     if ( hWnd )
 559     {
 560         ::SetCapture(hWnd);
 561     }
 562 }
 563
 564 void wxWindowMSW::ReleaseMouse()
 565 {
 566     if ( !::ReleaseCapture() )
 567     {
 568         wxLogLastError(_T("ReleaseCapture"));
 569     }
 570 }
 571
 572 /* static */ wxWindow *wxWindowBase::GetCapture()
 573 {
 574     HWND hwnd = ::GetCapture();
 575     return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
 576 }
 577
 578 bool wxWindowMSW::SetFont(const wxFont& font)
 579 {
 580     if ( !wxWindowBase::SetFont(font) )
 581     {
 582         // nothing to do
 583         return FALSE;
 584     }
 585
 586     HWND hWnd = GetHwnd();
 587     if ( hWnd != 0 )
 588     {
 589         WXHANDLE hFont = m_font.GetResourceHandle();
 590
 591         wxASSERT_MSG( hFont, wxT("should have valid font") );
 592
 593         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 594     }
 595
 596     return TRUE;
 597 }
 598 bool wxWindowMSW::SetCursor(const wxCursor& cursor)
 599 {
 600     if ( !wxWindowBase::SetCursor(cursor) )
 601     {
 602         // no change
 603         return FALSE;
 604     }
 605
 606     if ( m_cursor.Ok() )
 607     {
 608         HWND hWnd = GetHwnd();
 609
 610         // Change the cursor NOW if we're within the correct window
 611         POINT point;
 612         ::GetCursorPos(&point);
 613
 614         RECT rect;
 615         ::GetWindowRect(hWnd, &rect);
 616
 617         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 618             ::SetCursor(GetHcursorOf(m_cursor));
 619     }
 620
 621     return TRUE;
 622 }
 623
 624 void wxWindowMSW::WarpPointer (int x, int y)
 625 {
 626     ClientToScreen(&x, &y);
 627
 628     if ( !::SetCursorPos(x, y) )
 629     {
 630         wxLogLastError(_T("SetCursorPos"));
 631     }
 632 }
 633
 634 #if WXWIN_COMPATIBILITY
 635 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 636 {
 637 }
 638 #endif // WXWIN_COMPATIBILITY
 639
 640 // ---------------------------------------------------------------------------
 641 // scrolling stuff
 642 // ---------------------------------------------------------------------------
 643
 644 #if WXWIN_COMPATIBILITY
 645 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 646 {
 647 #if defined(__WIN95__)
 648
 649     int range1 = range;
 650
 651     // Try to adjust the range to cope with page size > 1
 652     // - a Windows API quirk
 653     int pageSize = GetScrollPage(orient);
 654     if ( pageSize > 1 && range > 0)
 655     {
 656         range1 += (pageSize - 1);
 657     }
 658
 659     SCROLLINFO info;
 660     int dir;
 661
 662     if ( orient == wxHORIZONTAL ) {
 663         dir = SB_HORZ;
 664     } else {
 665         dir = SB_VERT;
 666     }
 667
 668     info.cbSize = sizeof(SCROLLINFO);
 669     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 670     info.nMin = 0;
 671     info.nMax = range1;
 672     info.nPos = 0;
 673     info.fMask = SIF_RANGE | SIF_PAGE;
 674
 675     HWND hWnd = GetHwnd();
 676     if ( hWnd )
 677         ::SetScrollInfo(hWnd, dir, &info, refresh);
 678 #else
 679     int wOrient;
 680     if ( orient == wxHORIZONTAL )
 681         wOrient = SB_HORZ;
 682     else
 683         wOrient = SB_VERT;
 684
 685     HWND hWnd = GetHwnd();
 686     if ( hWnd )
 687         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 688 #endif
 689 }
 690
 691 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 692 {
 693 #if defined(__WIN95__)
 694     SCROLLINFO info;
 695     int dir;
 696
 697     if ( orient == wxHORIZONTAL ) {
 698         dir = SB_HORZ;
 699         m_xThumbSize = page;
 700     } else {
 701         dir = SB_VERT;
 702         m_yThumbSize = page;
 703     }
 704
 705     info.cbSize = sizeof(SCROLLINFO);
 706     info.nPage = page;
 707     info.nMin = 0;
 708     info.fMask = SIF_PAGE;
 709
 710     HWND hWnd = GetHwnd();
 711     if ( hWnd )
 712         ::SetScrollInfo(hWnd, dir, &info, refresh);
 713 #else
 714     if ( orient == wxHORIZONTAL )
 715         m_xThumbSize = page;
 716     else
 717         m_yThumbSize = page;
 718 #endif
 719 }
 720
 721 int wxWindowMSW::OldGetScrollRange(int orient) const
 722 {
 723     int wOrient;
 724     if ( orient == wxHORIZONTAL )
 725         wOrient = SB_HORZ;
 726     else
 727         wOrient = SB_VERT;
 728
 729 #if __WATCOMC__ && defined(__WINDOWS_386__)
 730     short minPos, maxPos;
 731 #else
 732     int minPos, maxPos;
 733 #endif
 734     HWND hWnd = GetHwnd();
 735     if ( hWnd )
 736     {
 737         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 738 #if defined(__WIN95__)
 739         // Try to adjust the range to cope with page size > 1
 740         // - a Windows API quirk
 741         int pageSize = GetScrollPage(orient);
 742         if ( pageSize > 1 )
 743         {
 744             maxPos -= (pageSize - 1);
 745         }
 746 #endif
 747         return maxPos;
 748     }
 749     else
 750         return 0;
 751 }
 752
 753 int wxWindowMSW::GetScrollPage(int orient) const
 754 {
 755     if ( orient == wxHORIZONTAL )
 756         return m_xThumbSize;
 757     else
 758         return m_yThumbSize;
 759 }
 760
 761 #endif // WXWIN_COMPATIBILITY
 762
 763 inline int GetScrollPosition(HWND hWnd, int wOrient)
 764 {
 765 #ifdef __WXMICROWIN__
 766     return ::GetScrollPosWX(hWnd, wOrient);
 767 #else
 768     return ::GetScrollPos(hWnd, wOrient);
 769 #endif
 770 }
 771
 772 int wxWindowMSW::GetScrollPos(int orient) const
 773 {
 774     int wOrient;
 775     if ( orient == wxHORIZONTAL )
 776         wOrient = SB_HORZ;
 777     else
 778         wOrient = SB_VERT;
 779
 780     HWND hWnd = GetHwnd();
 781     wxCHECK_MSG( hWnd, 0, _T("no HWND in GetScrollPos") );
 782
 783     return GetScrollPosition(hWnd, wOrient);
 784 }
 785
 786 // This now returns the whole range, not just the number
 787 // of positions that we can scroll.
 788 int wxWindowMSW::GetScrollRange(int orient) const
 789 {
 790     int wOrient;
 791     if ( orient == wxHORIZONTAL )
 792         wOrient = SB_HORZ;
 793     else
 794         wOrient = SB_VERT;
 795
 796 #if __WATCOMC__ && defined(__WINDOWS_386__)
 797     short minPos, maxPos;
 798 #else
 799     int minPos, maxPos;
 800 #endif
 801     HWND hWnd = GetHwnd();
 802     if ( hWnd )
 803     {
 804         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 805 #if defined(__WIN95__)
 806         // Try to adjust the range to cope with page size > 1
 807         // - a Windows API quirk
 808         int pageSize = GetScrollThumb(orient);
 809         if ( pageSize > 1 )
 810         {
 811             maxPos -= (pageSize - 1);
 812         }
 813         // October 10th: new range concept.
 814         maxPos += pageSize;
 815 #endif
 816
 817         return maxPos;
 818     }
 819     else
 820         return 0;
 821 }
 822
 823 int wxWindowMSW::GetScrollThumb(int orient) const
 824 {
 825     if ( orient == wxHORIZONTAL )
 826         return m_xThumbSize;
 827     else
 828         return m_yThumbSize;
 829 }
 830
 831 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 832 {
 833 #if defined(__WIN95__)
 834     SCROLLINFO info;
 835     int dir;
 836
 837     if ( orient == wxHORIZONTAL ) {
 838         dir = SB_HORZ;
 839     } else {
 840         dir = SB_VERT;
 841     }
 842
 843     info.cbSize = sizeof(SCROLLINFO);
 844     info.nPage = 0;
 845     info.nMin = 0;
 846     info.nPos = pos;
 847     info.fMask = SIF_POS;
 848
 849     HWND hWnd = GetHwnd();
 850     if ( hWnd )
 851         ::SetScrollInfo(hWnd, dir, &info, refresh);
 852 #else
 853     int wOrient;
 854     if ( orient == wxHORIZONTAL )
 855         wOrient = SB_HORZ;
 856     else
 857         wOrient = SB_VERT;
 858
 859     HWND hWnd = GetHwnd();
 860     if ( hWnd )
 861         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 862 #endif
 863 }
 864
 865 // New function that will replace some of the above.
 866 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 867                             int range, bool refresh)
 868 {
 869 #if defined(__WIN95__)
 870     int oldRange = range - thumbVisible;
 871
 872     int range1 = oldRange;
 873
 874     // Try to adjust the range to cope with page size > 1
 875     // - a Windows API quirk
 876     int pageSize = thumbVisible;
 877     if ( pageSize > 1 && range > 0)
 878     {
 879         range1 += (pageSize - 1);
 880     }
 881
 882     SCROLLINFO info;
 883     int dir;
 884
 885     if ( orient == wxHORIZONTAL ) {
 886         dir = SB_HORZ;
 887     } else {
 888         dir = SB_VERT;
 889     }
 890
 891     info.cbSize = sizeof(SCROLLINFO);
 892     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 893     info.nMin = 0;
 894     info.nMax = range1;
 895     info.nPos = pos;
 896     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 897
 898     HWND hWnd = GetHwnd();
 899     if ( hWnd )
 900         ::SetScrollInfo(hWnd, dir, &info, refresh);
 901 #else
 902     int wOrient;
 903     if ( orient == wxHORIZONTAL )
 904         wOrient = SB_HORZ;
 905     else
 906         wOrient = SB_VERT;
 907
 908     HWND hWnd = GetHwnd();
 909     if ( hWnd )
 910     {
 911         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 912         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 913     }
 914 #endif
 915     if ( orient == wxHORIZONTAL ) {
 916         m_xThumbSize = thumbVisible;
 917     } else {
 918         m_yThumbSize = thumbVisible;
 919     }
 920 }
 921
 922 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 923 {
 924     RECT rect;
 925     if ( prect )
 926     {
 927         rect.left = prect->x;
 928         rect.top = prect->y;
 929         rect.right = prect->x + prect->width;
 930         rect.bottom = prect->y + prect->height;
 931     }
 932
 933     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 934 }
 935
 936 static bool ScrollVertically(HWND hwnd, int kind, int count)
 937 {
 938     int posStart = GetScrollPosition(hwnd, SB_VERT);
 939
 940     int pos = posStart;
 941     for ( int n = 0; n < count; n++ )
 942     {
 943         ::SendMessage(hwnd, WM_VSCROLL, kind, 0);
 944
 945         int posNew = GetScrollPosition(hwnd, SB_VERT);
 946         if ( posNew == pos )
 947         {
 948             // don't bother to continue, we're already at top/bottom
 949             break;
 950         }
 951
 952         pos = posNew;
 953     }
 954
 955     return pos != posStart;
 956 }
 957
 958 bool wxWindowMSW::ScrollLines(int lines)
 959 {
 960     bool down = lines > 0;
 961
 962     return ScrollVertically(GetHwnd(),
 963                             down ? SB_LINEDOWN : SB_LINEUP,
 964                             down ? lines : -lines);
 965 }
 966
 967 bool wxWindowMSW::ScrollPages(int pages)
 968 {
 969     bool down = pages > 0;
 970
 971     return ScrollVertically(GetHwnd(),
 972                             down ? SB_PAGEDOWN : SB_PAGEUP,
 973                             down ? pages : -pages);
 974 }
 975
 976 // ---------------------------------------------------------------------------
 977 // subclassing
 978 // ---------------------------------------------------------------------------
 979
 980 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 981 {
 982     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 983
 984     HWND hwnd = (HWND)hWnd;
 985     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 986
 987     wxAssociateWinWithHandle(hwnd, this);
 988
 989     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 990
 991     wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc );
 992
 993     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 994 }
 995
 996 void wxWindowMSW::UnsubclassWin()
 997 {
 998     wxRemoveHandleAssociation(this);
 999
1000     // Restore old Window proc
1001     HWND hwnd = GetHwnd();
1002     if ( hwnd )
1003     {
1004         m_hWnd = 0;
1005
1006         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
1007
1008         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
1009         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
1010         {
1011             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
1012             m_oldWndProc = 0;
1013         }
1014     }
1015 }
1016
1017 // Make a Windows extended style from the given wxWindows window style
1018 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
1019 {
1020     WXDWORD exStyle = 0;
1021     if ( style & wxTRANSPARENT_WINDOW )
1022         exStyle |= WS_EX_TRANSPARENT;
1023
1024     if ( !eliminateBorders )
1025     {
1026         if ( style & wxSUNKEN_BORDER )
1027             exStyle |= WS_EX_CLIENTEDGE;
1028         if ( style & wxDOUBLE_BORDER )
1029             exStyle |= WS_EX_DLGMODALFRAME;
1030 #if defined(__WIN95__)
1031         if ( style & wxRAISED_BORDER )
1032             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
1033             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
1034         if ( style & wxSTATIC_BORDER )
1035             exStyle |= WS_EX_STATICEDGE;
1036 #endif
1037     }
1038     return exStyle;
1039 }
1040
1041 // Determines whether native 3D effects or CTL3D should be used,
1042 // applying a default border style if required, and returning an extended
1043 // style to pass to CreateWindowEx.
1044 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
1045                                      bool *want3D) const
1046 {
1047     // If matches certain criteria, then assume no 3D effects
1048     // unless specifically requested (dealt with in MakeExtendedStyle)
1049     if ( !GetParent()
1050 #if wxUSE_CONTROLS
1051             || !IsKindOf(CLASSINFO(wxControl))
1052 #endif // wxUSE_CONTROLS
1053             || (m_windowStyle & wxNO_BORDER) )
1054     {
1055         *want3D = FALSE;
1056         return MakeExtendedStyle(m_windowStyle, FALSE);
1057     }
1058
1059     // Determine whether we should be using 3D effects or not.
1060     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
1061
1062     // 1) App can specify global 3D effects
1063     *want3D = wxTheApp->GetAuto3D();
1064
1065     // 2) If the parent is being drawn with user colours, or simple border specified,
1066     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
1067     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
1068         *want3D = FALSE;
1069
1070     // 3) Control can override this global setting by defining
1071     // a border style, e.g. wxSUNKEN_BORDER
1072     if ( m_windowStyle & wxSUNKEN_BORDER  )
1073         *want3D = TRUE;
1074
1075     // 4) If it's a special border, CTL3D can't cope so we want a native border
1076     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1077         (m_windowStyle & wxSTATIC_BORDER) )
1078     {
1079         *want3D = TRUE;
1080         nativeBorder = TRUE;
1081     }
1082
1083     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1084     // effects from extended style
1085 #if wxUSE_CTL3D
1086     if ( *want3D )
1087         nativeBorder = FALSE;
1088 #endif
1089
1090     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1091
1092     // If we want 3D, but haven't specified a border here,
1093     // apply the default border style specified.
1094     // TODO what about non-Win95 WIN32? Does it have borders?
1095 #if defined(__WIN95__) && !wxUSE_CTL3D
1096     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1097         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1098         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1099 #endif
1100
1101     return exStyle;
1102 }
1103
1104 #if WXWIN_COMPATIBILITY
1105 // If nothing defined for this, try the parent.
1106 // E.g. we may be a button loaded from a resource, with no callback function
1107 // defined.
1108 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1109 {
1110     if ( GetEventHandler()->ProcessEvent(event)  )
1111         return;
1112     if ( m_parent )
1113         m_parent->GetEventHandler()->OnCommand(win, event);
1114 }
1115 #endif // WXWIN_COMPATIBILITY_2
1116
1117 #if WXWIN_COMPATIBILITY
1118 wxObject* wxWindowMSW::GetChild(int number) const
1119 {
1120     // Return a pointer to the Nth object in the Panel
1121     wxNode *node = GetChildren().First();
1122     int n = number;
1123     while (node && n--)
1124         node = node->Next();
1125     if ( node )
1126     {
1127         wxObject *obj = (wxObject *)node->Data();
1128         return(obj);
1129     }
1130     else
1131         return NULL;
1132 }
1133 #endif // WXWIN_COMPATIBILITY
1134
1135 // Setup background and foreground colours correctly
1136 void wxWindowMSW::SetupColours()
1137 {
1138     if ( GetParent() )
1139         SetBackgroundColour(GetParent()->GetBackgroundColour());
1140 }
1141
1142 bool wxWindowMSW::IsMouseInWindow() const
1143 {
1144     // get the mouse position
1145     POINT pt;
1146     ::GetCursorPos(&pt);
1147
1148     // find the window which currently has the cursor and go up the window
1149     // chain until we find this window - or exhaust it
1150     HWND hwnd = ::WindowFromPoint(pt);
1151     while ( hwnd && (hwnd != GetHwnd()) )
1152         hwnd = ::GetParent(hwnd);
1153
1154     return hwnd != NULL;
1155 }
1156
1157 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1158 {
1159     // Check if we need to send a LEAVE event
1160     if ( m_mouseInWindow )
1161     {
1162         if ( !IsMouseInWindow() )
1163         {
1164             // Generate a LEAVE event
1165             m_mouseInWindow = FALSE;
1166
1167             // Unfortunately the mouse button and keyboard state may have
1168             // changed by the time the OnIdle function is called, so 'state'
1169             // may be meaningless.
1170             int state = 0;
1171             if ( wxIsShiftDown() )
1172                 state |= MK_SHIFT;
1173             if ( wxIsCtrlDown() )
1174                 state |= MK_CONTROL;
1175             if ( GetKeyState( VK_LBUTTON ) )
1176                 state |= MK_LBUTTON;
1177             if ( GetKeyState( VK_MBUTTON ) )
1178                 state |= MK_MBUTTON;
1179             if ( GetKeyState( VK_RBUTTON ) )
1180                 state |= MK_RBUTTON;
1181
1182             POINT pt;
1183             if ( !::GetCursorPos(&pt) )
1184             {
1185                 wxLogLastError(_T("GetCursorPos"));
1186             }
1187
1188             // we need to have client coordinates here for symmetry with
1189             // wxEVT_ENTER_WINDOW
1190             RECT rect;
1191             if ( !::GetWindowRect(GetHwnd(), &rect) )
1192             {
1193                 wxLogLastError(_T("GetWindowRect"));
1194             }
1195             pt.x -= rect.left;
1196             pt.y -= rect.top;
1197
1198             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1199             InitMouseEvent(event2, pt.x, pt.y, state);
1200
1201             (void)GetEventHandler()->ProcessEvent(event2);
1202         }
1203     }
1204
1205     UpdateWindowUI();
1206 }
1207
1208 // Set this window to be the child of 'parent'.
1209 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1210 {
1211     if ( !wxWindowBase::Reparent(parent) )
1212         return FALSE;
1213
1214     HWND hWndChild = GetHwnd();
1215     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1216
1217     ::SetParent(hWndChild, hWndParent);
1218
1219     return TRUE;
1220 }
1221
1222 void wxWindowMSW::Clear()
1223 {
1224     wxClientDC dc((wxWindow *)this);
1225     wxBrush brush(GetBackgroundColour(), wxSOLID);
1226     dc.SetBackground(brush);
1227     dc.Clear();
1228 }
1229
1230 static inline void SendSetRedraw(HWND hwnd, bool on)
1231 {
1232     ::SendMessage(hwnd, WM_SETREDRAW, (WPARAM)on, 0);
1233 }
1234
1235 void wxWindowMSW::Freeze()
1236 {
1237     SendSetRedraw(GetHwnd(), FALSE);
1238 }
1239
1240 void wxWindowMSW::Thaw()
1241 {
1242     SendSetRedraw(GetHwnd(), TRUE);
1243
1244     // we need to refresh everything or otherwise he invalidated area is not
1245     // repainted
1246     Refresh();
1247 }
1248
1249 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1250 {
1251     HWND hWnd = GetHwnd();
1252     if ( hWnd )
1253     {
1254         if ( rect )
1255         {
1256             RECT mswRect;
1257             mswRect.left = rect->x;
1258             mswRect.top = rect->y;
1259             mswRect.right = rect->x + rect->width;
1260             mswRect.bottom = rect->y + rect->height;
1261
1262             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1263         }
1264         else
1265             ::InvalidateRect(hWnd, NULL, eraseBack);
1266     }
1267 }
1268
1269 void wxWindowMSW::Update()
1270 {
1271     if ( !::UpdateWindow(GetHwnd()) )
1272     {
1273         wxLogLastError(_T("UpdateWindow"));
1274     }
1275
1276 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1277     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1278     // handler needs to be really drawn right now
1279     (void)::GdiFlush();
1280 #endif // __WIN32__
1281 }
1282
1283 // ---------------------------------------------------------------------------
1284 // drag and drop
1285 // ---------------------------------------------------------------------------
1286
1287 #if wxUSE_DRAG_AND_DROP
1288
1289 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1290 {
1291     if ( m_dropTarget != 0 ) {
1292         m_dropTarget->Revoke(m_hWnd);
1293         delete m_dropTarget;
1294     }
1295
1296     m_dropTarget = pDropTarget;
1297     if ( m_dropTarget != 0 )
1298         m_dropTarget->Register(m_hWnd);
1299 }
1300
1301 #endif // wxUSE_DRAG_AND_DROP
1302
1303 // old style file-manager drag&drop support: we retain the old-style
1304 // DragAcceptFiles in parallel with SetDropTarget.
1305 void wxWindowMSW::DragAcceptFiles(bool accept)
1306 {
1307     HWND hWnd = GetHwnd();
1308     if ( hWnd )
1309         ::DragAcceptFiles(hWnd, (BOOL)accept);
1310 }
1311
1312 // ----------------------------------------------------------------------------
1313 // tooltips
1314 // ----------------------------------------------------------------------------
1315
1316 #if wxUSE_TOOLTIPS
1317
1318 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1319 {
1320     wxWindowBase::DoSetToolTip(tooltip);
1321
1322     if ( m_tooltip )
1323         m_tooltip->SetWindow(this);
1324 }
1325
1326 #endif // wxUSE_TOOLTIPS
1327
1328 // ---------------------------------------------------------------------------
1329 // moving and resizing
1330 // ---------------------------------------------------------------------------
1331
1332 // Get total size
1333 void wxWindowMSW::DoGetSize(int *x, int *y) const
1334 {
1335     HWND hWnd = GetHwnd();
1336     RECT rect;
1337 #ifdef __WIN16__
1338     ::GetWindowRect(hWnd, &rect);
1339 #else
1340     if ( !::GetWindowRect(hWnd, &rect) )
1341     {
1342         wxLogLastError(_T("GetWindowRect"));
1343     }
1344 #endif
1345     if ( x )
1346         *x = rect.right - rect.left;
1347     if ( y )
1348         *y = rect.bottom - rect.top;
1349 }
1350
1351 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1352 {
1353     HWND hWnd = GetHwnd();
1354
1355     RECT rect;
1356     GetWindowRect(hWnd, &rect);
1357
1358     POINT point;
1359     point.x = rect.left;
1360     point.y = rect.top;
1361
1362     // we do the adjustments with respect to the parent only for the "real"
1363     // children, not for the dialogs/frames
1364     if ( !IsTopLevel() )
1365     {
1366         HWND hParentWnd = 0;
1367         wxWindow *parent = GetParent();
1368         if ( parent )
1369             hParentWnd = GetWinHwnd(parent);
1370
1371         // Since we now have the absolute screen coords, if there's a parent we
1372         // must subtract its top left corner
1373         if ( hParentWnd )
1374         {
1375             ::ScreenToClient(hParentWnd, &point);
1376         }
1377
1378         if ( parent )
1379         {
1380             // We may be faking the client origin. So a window that's really at (0,
1381             // 30) may appear (to wxWin apps) to be at (0, 0).
1382             wxPoint pt(parent->GetClientAreaOrigin());
1383             point.x -= pt.x;
1384             point.y -= pt.y;
1385         }
1386     }
1387
1388     if ( x )
1389         *x = point.x;
1390     if ( y )
1391         *y = point.y;
1392 }
1393
1394 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1395 {
1396     POINT pt;
1397     if ( x )
1398         pt.x = *x;
1399     if ( y )
1400         pt.y = *y;
1401
1402     HWND hWnd = GetHwnd();
1403     ::ScreenToClient(hWnd, &pt);
1404
1405     if ( x )
1406         *x = pt.x;
1407     if ( y )
1408         *y = pt.y;
1409 }
1410
1411 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1412 {
1413     POINT pt;
1414     if ( x )
1415         pt.x = *x;
1416     if ( y )
1417         pt.y = *y;
1418
1419     HWND hWnd = GetHwnd();
1420     ::ClientToScreen(hWnd, &pt);
1421
1422     if ( x )
1423         *x = pt.x;
1424     if ( y )
1425         *y = pt.y;
1426 }
1427
1428 // Get size *available for subwindows* i.e. excluding menu bar etc.
1429 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1430 {
1431     HWND hWnd = GetHwnd();
1432     RECT rect;
1433     ::GetClientRect(hWnd, &rect);
1434     if ( x )
1435         *x = rect.right;
1436     if ( y )
1437         *y = rect.bottom;
1438 }
1439
1440 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1441 {
1442     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1443     {
1444         wxLogLastError(wxT("MoveWindow"));
1445     }
1446 }
1447
1448 // set the size of the window: if the dimensions are positive, just use them,
1449 // but if any of them is equal to -1, it means that we must find the value for
1450 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1451 // which case -1 is a valid value for x and y)
1452 //
1453 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1454 // the width/height to best suit our contents, otherwise we reuse the current
1455 // width/height
1456 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1457 {
1458     // get the current size and position...
1459     int currentX, currentY;
1460     GetPosition(&currentX, &currentY);
1461     int currentW,currentH;
1462     GetSize(&currentW, &currentH);
1463
1464     // ... and don't do anything (avoiding flicker) if it's already ok
1465     if ( x == currentX && y == currentY &&
1466          width == currentW && height == currentH )
1467     {
1468         return;
1469     }
1470
1471     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1472         x = currentX;
1473     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1474         y = currentY;
1475
1476     AdjustForParentClientOrigin(x, y, sizeFlags);
1477
1478     wxSize size(-1, -1);
1479     if ( width == -1 )
1480     {
1481         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1482         {
1483             size = DoGetBestSize();
1484             width = size.x;
1485         }
1486         else
1487         {
1488             // just take the current one
1489             width = currentW;
1490         }
1491     }
1492
1493     if ( height == -1 )
1494     {
1495         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1496         {
1497             if ( size.x == -1 )
1498             {
1499                 size = DoGetBestSize();
1500             }
1501             //else: already called DoGetBestSize() above
1502
1503             height = size.y;
1504         }
1505         else
1506         {
1507             // just take the current one
1508             height = currentH;
1509         }
1510     }
1511
1512     DoMoveWindow(x, y, width, height);
1513 }
1514
1515 void wxWindowMSW::DoSetClientSize(int width, int height)
1516 {
1517     wxWindow *parent = GetParent();
1518     HWND hWnd = GetHwnd();
1519     HWND hParentWnd = (HWND) 0;
1520     if ( parent )
1521         hParentWnd = (HWND) parent->GetHWND();
1522
1523     RECT rect;
1524     ::GetClientRect(hWnd, &rect);
1525
1526     RECT rect2;
1527     GetWindowRect(hWnd, &rect2);
1528
1529     // Find the difference between the entire window (title bar and all)
1530     // and the client area; add this to the new client size to move the
1531     // window
1532     int actual_width = rect2.right - rect2.left - rect.right + width;
1533     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1534
1535     // If there's a parent, must subtract the parent's top left corner
1536     // since MoveWindow moves relative to the parent
1537
1538     POINT point;
1539     point.x = rect2.left;
1540     point.y = rect2.top;
1541     if ( parent )
1542     {
1543         ::ScreenToClient(hParentWnd, &point);
1544     }
1545
1546     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1547
1548     wxSizeEvent event(wxSize(width, height), m_windowId);
1549     event.SetEventObject(this);
1550     GetEventHandler()->ProcessEvent(event);
1551 }
1552
1553 // For implementation purposes - sometimes decorations make the client area
1554 // smaller
1555 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1556 {
1557     return wxPoint(0, 0);
1558 }
1559
1560 // Makes an adjustment to the window position (for example, a frame that has
1561 // a toolbar that it manages itself).
1562 void wxWindowMSW::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1563 {
1564     // don't do it for the dialogs/frames - they float independently of their
1565     // parent
1566     if ( !IsTopLevel() )
1567     {
1568         wxWindow *parent = GetParent();
1569         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1570         {
1571             wxPoint pt(parent->GetClientAreaOrigin());
1572             x += pt.x;
1573             y += pt.y;
1574         }
1575     }
1576 }
1577
1578 // ---------------------------------------------------------------------------
1579 // text metrics
1580 // ---------------------------------------------------------------------------
1581
1582 int wxWindowMSW::GetCharHeight() const
1583 {
1584     return wxGetTextMetrics(this).tmHeight;
1585 }
1586
1587 int wxWindowMSW::GetCharWidth() const
1588 {
1589     // +1 is needed because Windows apparently adds it when calculating the
1590     // dialog units size in pixels
1591 #if wxDIALOG_UNIT_COMPATIBILITY
1592     return wxGetTextMetrics(this).tmAveCharWidth;
1593 #else
1594     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1595 #endif
1596 }
1597
1598 void wxWindowMSW::GetTextExtent(const wxString& string,
1599                              int *x, int *y,
1600                              int *descent, int *externalLeading,
1601                              const wxFont *theFont) const
1602 {
1603     const wxFont *fontToUse = theFont;
1604     if ( !fontToUse )
1605         fontToUse = &m_font;
1606
1607     HWND hWnd = GetHwnd();
1608     HDC dc = ::GetDC(hWnd);
1609
1610     HFONT fnt = 0;
1611     HFONT hfontOld = 0;
1612     if ( fontToUse && fontToUse->Ok() )
1613     {
1614         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1615         if ( fnt )
1616             hfontOld = (HFONT)SelectObject(dc,fnt);
1617     }
1618
1619     SIZE sizeRect;
1620     TEXTMETRIC tm;
1621     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1622     GetTextMetrics(dc, &tm);
1623
1624     if ( fontToUse && fnt && hfontOld )
1625         SelectObject(dc, hfontOld);
1626
1627     ReleaseDC(hWnd, dc);
1628
1629     if ( x )
1630         *x = sizeRect.cx;
1631     if ( y )
1632         *y = sizeRect.cy;
1633     if ( descent )
1634         *descent = tm.tmDescent;
1635     if ( externalLeading )
1636         *externalLeading = tm.tmExternalLeading;
1637 }
1638
1639 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1640 // ---------------------------------------------------------------------------
1641 // Caret manipulation
1642 // ---------------------------------------------------------------------------
1643
1644 void wxWindowMSW::CreateCaret(int w, int h)
1645 {
1646     SetCaret(new wxCaret(this, w, h));
1647 }
1648
1649 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1650 {
1651     wxFAIL_MSG("not implemented");
1652 }
1653
1654 void wxWindowMSW::ShowCaret(bool show)
1655 {
1656     wxCHECK_RET( m_caret, "no caret to show" );
1657
1658     m_caret->Show(show);
1659 }
1660
1661 void wxWindowMSW::DestroyCaret()
1662 {
1663     SetCaret(NULL);
1664 }
1665
1666 void wxWindowMSW::SetCaretPos(int x, int y)
1667 {
1668     wxCHECK_RET( m_caret, "no caret to move" );
1669
1670     m_caret->Move(x, y);
1671 }
1672
1673 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1674 {
1675     wxCHECK_RET( m_caret, "no caret to get position of" );
1676
1677     m_caret->GetPosition(x, y);
1678 }
1679 #endif // wxUSE_CARET
1680
1681 // ---------------------------------------------------------------------------
1682 // popup menu
1683 // ---------------------------------------------------------------------------
1684
1685 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1686 // immediately, without waiting for the next event loop iteration
1687 //
1688 // NB: this function should probably be made public later as it can almost
1689 //     surely replace wxYield() elsewhere as well
1690 static void wxYieldForCommandsOnly()
1691 {
1692     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1693     // want to process it here)
1694     MSG msg;
1695     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1696                 && msg.message != WM_QUIT )
1697     {
1698         wxTheApp->DoMessage((WXMSG *)&msg);
1699     }
1700 }
1701
1702 #if wxUSE_MENUS_NATIVE
1703
1704 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1705 {
1706     menu->SetInvokingWindow(this);
1707     menu->UpdateUI();
1708
1709     HWND hWnd = GetHwnd();
1710     HMENU hMenu = GetHmenuOf(menu);
1711     POINT point;
1712     point.x = x;
1713     point.y = y;
1714     ::ClientToScreen(hWnd, &point);
1715     wxCurrentPopupMenu = menu;
1716     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1717
1718     // we need to do it righ now as otherwise the events are never going to be
1719     // sent to wxCurrentPopupMenu from HandleCommand()
1720     //
1721     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1722     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1723     // destroyed as soon as we return (it can be a local variable in the caller
1724     // for example) and so we do need to process the event immediately
1725     wxYieldForCommandsOnly();
1726
1727     wxCurrentPopupMenu = NULL;
1728
1729     menu->SetInvokingWindow(NULL);
1730
1731     return TRUE;
1732 }
1733
1734 #endif // wxUSE_MENUS_NATIVE
1735
1736 // ===========================================================================
1737 // pre/post message processing
1738 // ===========================================================================
1739
1740 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1741 {
1742     if ( m_oldWndProc )
1743         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1744     else
1745         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1746 }
1747
1748 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1749 {
1750     // wxUniversal implements tab traversal itself
1751 #ifndef __WXUNIVERSAL__
1752     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1753     {
1754         // intercept dialog navigation keys
1755         MSG *msg = (MSG *)pMsg;
1756
1757         // here we try to do all the job which ::IsDialogMessage() usually does
1758         // internally
1759 #if 1
1760         bool bProcess = TRUE;
1761         if ( msg->message != WM_KEYDOWN )
1762             bProcess = FALSE;
1763
1764         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1765             bProcess = FALSE;
1766
1767         if ( bProcess )
1768         {
1769             bool bCtrlDown = wxIsCtrlDown();
1770             bool bShiftDown = wxIsShiftDown();
1771
1772             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1773             // don't process it if it's the case (except for Ctrl-Tab/Enter
1774             // combinations which are always processed)
1775             LONG lDlgCode = 0;
1776             if ( !bCtrlDown )
1777             {
1778                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1779             }
1780
1781             bool bForward = TRUE,
1782                  bWindowChange = FALSE;
1783
1784             switch ( msg->wParam )
1785             {
1786                 case VK_TAB:
1787                     // assume that nobody wants Shift-TAB for himself - if we
1788                     // don't do it there is no easy way for a control to grab
1789                     // TABs but still let Shift-TAB work as navugation key
1790                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1791                         bProcess = FALSE;
1792                     }
1793                     else {
1794                         // Ctrl-Tab cycles thru notebook pages
1795                         bWindowChange = bCtrlDown;
1796                         bForward = !bShiftDown;
1797                     }
1798                     break;
1799
1800                 case VK_UP:
1801                 case VK_LEFT:
1802                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1803                         bProcess = FALSE;
1804                     else
1805                         bForward = FALSE;
1806                     break;
1807
1808                 case VK_DOWN:
1809                 case VK_RIGHT:
1810                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1811                         bProcess = FALSE;
1812                     break;
1813
1814                 case VK_RETURN:
1815                     {
1816                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1817                         {
1818                             // control wants to process Enter itself, don't
1819                             // call IsDialogMessage() which would interpret
1820                             // it
1821                             return FALSE;
1822                         }
1823                         else if ( lDlgCode & DLGC_BUTTON )
1824                         {
1825                             // let IsDialogMessage() handle this for all
1826                             // buttons except the owner-drawn ones which it
1827                             // just seems to ignore
1828                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1829                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1830                             {
1831                                 // emulate the button click
1832                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1833                                 if ( btn )
1834                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1835                             }
1836
1837                             bProcess = FALSE;
1838                         }
1839                         // FIXME: this should be handled by
1840                         //        wxNavigationKeyEvent handler and not here!!
1841                         else
1842                         {
1843 #if wxUSE_BUTTON
1844                             wxButton *btn = wxDynamicCast(GetDefaultItem(),
1845                                                           wxButton);
1846                             if ( btn && btn->IsEnabled() )
1847                             {
1848                                 // if we do have a default button, do press it
1849                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1850
1851                                 return TRUE;
1852                             }
1853                             else // no default button
1854 #endif // wxUSE_BUTTON
1855                             {
1856                                 // no special function for enter and don't even
1857                                 // let IsDialogMessage() have it: it seems to
1858                                 // do something really strange with it
1859                                 return FALSE;
1860                             }
1861                         }
1862                     }
1863                     break;
1864
1865                 default:
1866                     bProcess = FALSE;
1867             }
1868
1869             if ( bProcess )
1870             {
1871                 wxNavigationKeyEvent event;
1872                 event.SetDirection(bForward);
1873                 event.SetWindowChange(bWindowChange);
1874                 event.SetEventObject(this);
1875
1876                 if ( GetEventHandler()->ProcessEvent(event) )
1877                 {
1878                     return TRUE;
1879                 }
1880             }
1881         }
1882 #else // 0
1883         // let ::IsDialogMessage() do almost everything and handle just the
1884         // things it doesn't here: Ctrl-TAB for switching notebook pages
1885         if ( msg->message == WM_KEYDOWN )
1886         {
1887             // don't process system keys here
1888             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1889             {
1890                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1891                 {
1892                     // find the first notebook parent and change its page
1893                     wxWindow *win = this;
1894                     wxNotebook *nbook = NULL;
1895                     while ( win && !nbook )
1896                     {
1897                         nbook = wxDynamicCast(win, wxNotebook);
1898                         win = win->GetParent();
1899                     }
1900
1901                     if ( nbook )
1902                     {
1903                         bool forward = !wxIsShiftDown();
1904
1905                         nbook->AdvanceSelection(forward);
1906                     }
1907                 }
1908             }
1909         }
1910 #endif // 1/0
1911
1912         if ( ::IsDialogMessage(GetHwnd(), msg) )
1913         {
1914             // IsDialogMessage() did something...
1915             return TRUE;
1916         }
1917     }
1918 #endif // __WXUNIVERSAL__
1919
1920 #if wxUSE_TOOLTIPS
1921     if ( m_tooltip )
1922     {
1923         // relay mouse move events to the tooltip control
1924         MSG *msg = (MSG *)pMsg;
1925         if ( msg->message == WM_MOUSEMOVE )
1926             m_tooltip->RelayEvent(pMsg);
1927     }
1928 #endif // wxUSE_TOOLTIPS
1929
1930     return FALSE;
1931 }
1932
1933 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1934 {
1935 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1936     return m_acceleratorTable.Translate(this, pMsg);
1937 #else
1938     return FALSE;
1939 #endif // wxUSE_ACCEL
1940 }
1941
1942 bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* pMsg)
1943 {
1944     // preprocess all messages by default
1945     return TRUE;
1946 }
1947
1948 // ---------------------------------------------------------------------------
1949 // message params unpackers (different for Win16 and Win32)
1950 // ---------------------------------------------------------------------------
1951
1952 #ifdef __WIN32__
1953
1954 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1955                              WORD *id, WXHWND *hwnd, WORD *cmd)
1956 {
1957     *id = LOWORD(wParam);
1958     *hwnd = (WXHWND)lParam;
1959     *cmd = HIWORD(wParam);
1960 }
1961
1962 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1963                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1964 {
1965     *state = LOWORD(wParam);
1966     *minimized = HIWORD(wParam);
1967     *hwnd = (WXHWND)lParam;
1968 }
1969
1970 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1971                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1972 {
1973     *code = LOWORD(wParam);
1974     *pos = HIWORD(wParam);
1975     *hwnd = (WXHWND)lParam;
1976 }
1977
1978 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1979                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1980 {
1981 #ifndef __WXMICROWIN__
1982     *nCtlColor = CTLCOLOR_BTN;
1983     *hwnd = (WXHWND)lParam;
1984     *hdc = (WXHDC)wParam;
1985 #endif
1986 }
1987
1988 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1989                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1990 {
1991     *item = (WXWORD)wParam;
1992     *flags = HIWORD(wParam);
1993     *hmenu = (WXHMENU)lParam;
1994 }
1995
1996 #else // Win16
1997
1998 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1999                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
2000 {
2001     *id = (WXWORD)wParam;
2002     *hwnd = (WXHWND)LOWORD(lParam);
2003     *cmd = HIWORD(lParam);
2004 }
2005
2006 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
2007                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
2008 {
2009     *state = (WXWORD)wParam;
2010     *minimized = LOWORD(lParam);
2011     *hwnd = (WXHWND)HIWORD(lParam);
2012 }
2013
2014 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
2015                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
2016 {
2017     *code = (WXWORD)wParam;
2018     *pos = LOWORD(lParam);
2019     *hwnd = (WXHWND)HIWORD(lParam);
2020 }
2021
2022 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
2023                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
2024 {
2025     *hwnd = (WXHWND)LOWORD(lParam);
2026     *nCtlColor = (int)HIWORD(lParam);
2027     *hdc = (WXHDC)wParam;
2028 }
2029
2030 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
2031                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
2032 {
2033     *item = (WXWORD)wParam;
2034     *flags = LOWORD(lParam);
2035     *hmenu = (WXHMENU)HIWORD(lParam);
2036 }
2037
2038 #endif // Win32/16
2039
2040 // ---------------------------------------------------------------------------
2041 // Main wxWindows window proc and the window proc for wxWindow
2042 // ---------------------------------------------------------------------------
2043
2044 // Hook for new window just as it's being created, when the window isn't yet
2045 // associated with the handle
2046 wxWindowMSW *wxWndHook = NULL;
2047
2048 // Main window proc
2049 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
2050 {
2051     // trace all messages - useful for the debugging
2052 #ifdef __WXDEBUG__
2053     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
2054                wxGetMessageName(message), wParam, lParam);
2055 #endif // __WXDEBUG__
2056
2057     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
2058
2059     // when we get the first message for the HWND we just created, we associate
2060     // it with wxWindow stored in wxWndHook
2061     if ( !wnd && wxWndHook )
2062     {
2063 #if 0 // def __WXDEBUG__
2064         char buf[512];
2065         ::GetClassNameA((HWND) hWnd, buf, 512);
2066         wxString className(buf);
2067 #endif
2068
2069         wxAssociateWinWithHandle(hWnd, wxWndHook);
2070         wnd = wxWndHook;
2071         wxWndHook = NULL;
2072         wnd->SetHWND((WXHWND)hWnd);
2073     }
2074
2075     LRESULT rc;
2076
2077     // Stop right here if we don't have a valid handle in our wxWindow object.
2078     if ( wnd && !wnd->GetHWND() )
2079     {
2080         // FIXME: why do we do this?
2081         wnd->SetHWND((WXHWND) hWnd);
2082         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
2083         wnd->SetHWND(0);
2084     }
2085     else
2086     {
2087         if ( wnd )
2088             rc = wnd->MSWWindowProc(message, wParam, lParam);
2089         else
2090             rc = DefWindowProc( hWnd, message, wParam, lParam );
2091     }
2092
2093     return rc;
2094 }
2095
2096 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2097 {
2098     // did we process the message?
2099     bool processed = FALSE;
2100
2101     // the return value
2102     union
2103     {
2104         bool        allow;
2105         long        result;
2106         WXHICON     hIcon;
2107         WXHBRUSH    hBrush;
2108     } rc;
2109
2110     // for most messages we should return 0 when we do process the message
2111     rc.result = 0;
2112
2113     switch ( message )
2114     {
2115         case WM_CREATE:
2116             {
2117                 bool mayCreate;
2118                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2119                 if ( processed )
2120                 {
2121                     // return 0 to allow window creation
2122                     rc.result = mayCreate ? 0 : -1;
2123                 }
2124             }
2125             break;
2126
2127         case WM_DESTROY:
2128             processed = HandleDestroy();
2129             break;
2130
2131         case WM_MOVE:
2132             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2133             break;
2134
2135         case WM_SIZE:
2136             switch ( wParam )
2137             {
2138                 case SIZE_MAXHIDE:
2139                 case SIZE_MAXSHOW:
2140                     // we're not interested in these messages at all
2141                     break;
2142
2143                 case SIZE_MINIMIZED:
2144                     // we shouldn't send sizev events for these messages as the
2145                     // client size may be negative which breaks existing code
2146                     //
2147                     // OTOH we might send another (wxMinimizedEvent?) one or
2148                     // add an additional parameter to wxSizeEvent if this is
2149                     // useful to anybody
2150                     break;
2151
2152                 default:
2153                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2154                     // fall through nevertheless
2155
2156                 case SIZE_MAXIMIZED:
2157                 case SIZE_RESTORED:
2158                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2159                                            wParam);
2160             }
2161             break;
2162
2163 #ifndef __WXMICROWIN__
2164         case WM_ACTIVATEAPP:
2165             wxTheApp->SetActive(wParam != 0, FindFocus());
2166             break;
2167 #endif
2168
2169         case WM_ACTIVATE:
2170             {
2171                 WXWORD state, minimized;
2172                 WXHWND hwnd;
2173                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2174
2175                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2176             }
2177             break;
2178
2179         case WM_SETFOCUS:
2180             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2181             break;
2182
2183         case WM_KILLFOCUS:
2184             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2185             break;
2186
2187         case WM_PAINT:
2188             processed = HandlePaint();
2189             break;
2190
2191         case WM_CLOSE:
2192             // don't let the DefWindowProc() destroy our window - we'll do it
2193             // ourselves in ~wxWindow
2194             processed = TRUE;
2195             rc.result = TRUE;
2196             break;
2197
2198         case WM_SHOWWINDOW:
2199             processed = HandleShow(wParam != 0, (int)lParam);
2200             break;
2201
2202         case WM_MOUSEMOVE:
2203             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2204                                         GET_Y_LPARAM(lParam),
2205                                         wParam);
2206             break;
2207
2208 #if wxUSE_MOUSEWHEEL
2209         case WM_MOUSEWHEEL:
2210             processed = HandleMouseWheel(wParam, lParam);
2211             break;
2212 #endif
2213
2214         case WM_LBUTTONDOWN:
2215         case WM_LBUTTONUP:
2216         case WM_LBUTTONDBLCLK:
2217         case WM_RBUTTONDOWN:
2218         case WM_RBUTTONUP:
2219         case WM_RBUTTONDBLCLK:
2220         case WM_MBUTTONDOWN:
2221         case WM_MBUTTONUP:
2222         case WM_MBUTTONDBLCLK:
2223          {
2224                 processed = FALSE;
2225 #ifdef __WXMICROWIN__
2226                 // MicroWindows seems to ignore the fact that a window is
2227                 // disabled. So catch mouse events and throw them away if
2228                 // necessary.
2229                 wxWindowMSW* win = this;
2230                 while (win)
2231                 {
2232                     if (!win->IsEnabled())
2233                     {
2234                         processed = TRUE;
2235                         break;
2236                     }
2237                     win = win->GetParent();
2238                     if (win && win->IsTopLevel())
2239                         break;
2240                 }
2241 #endif // __WXMICROWIN__
2242                 if (!processed)
2243                 {
2244                     if (message == WM_LBUTTONDOWN && AcceptsFocus())
2245                         SetFocus();
2246                      processed = HandleMouseEvent(message,
2247                                          GET_X_LPARAM(lParam),
2248                                          GET_Y_LPARAM(lParam),
2249                                                   wParam);
2250                 }
2251                 break;
2252          }
2253
2254 #ifdef __WXMICROWIN__
2255         case WM_NCLBUTTONDOWN:
2256         case WM_NCLBUTTONUP:
2257         case WM_NCLBUTTONDBLCLK:
2258         case WM_NCRBUTTONDOWN:
2259         case WM_NCRBUTTONUP:
2260         case WM_NCRBUTTONDBLCLK:
2261 #if 0
2262         case WM_NCMBUTTONDOWN:
2263         case WM_NCMBUTTONUP:
2264         case WM_NCMBUTTONDBLCLK:
2265 #endif
2266             {
2267                 // MicroWindows seems to ignore the fact that a window
2268                 // is disabled. So catch mouse events and throw them away if necessary.
2269                 processed = FALSE;
2270                 wxWindowMSW* win = this;
2271                 while (win)
2272                 {
2273                     if (!win->IsEnabled())
2274                     {
2275                         processed = TRUE;
2276                         break;
2277                     }
2278                     win = win->GetParent();
2279                     if (win && win->IsTopLevel())
2280                         break;
2281                 }
2282                 break;
2283             }
2284 #endif // __WXMICROWIN__
2285
2286 #ifdef MM_JOY1MOVE
2287         case MM_JOY1MOVE:
2288         case MM_JOY2MOVE:
2289         case MM_JOY1ZMOVE:
2290         case MM_JOY2ZMOVE:
2291         case MM_JOY1BUTTONDOWN:
2292         case MM_JOY2BUTTONDOWN:
2293         case MM_JOY1BUTTONUP:
2294         case MM_JOY2BUTTONUP:
2295             processed = HandleJoystickEvent(message,
2296                                             GET_X_LPARAM(lParam),
2297                                             GET_Y_LPARAM(lParam),
2298                                             wParam);
2299             break;
2300 #endif // __WXMICROWIN__
2301
2302         case WM_SYSCOMMAND:
2303             processed = HandleSysCommand(wParam, lParam);
2304             break;
2305
2306         case WM_COMMAND:
2307             {
2308                 WORD id, cmd;
2309                 WXHWND hwnd;
2310                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2311
2312                 processed = HandleCommand(id, cmd, hwnd);
2313             }
2314             break;
2315
2316 #ifdef __WIN95__
2317         case WM_NOTIFY:
2318             processed = HandleNotify((int)wParam, lParam, &rc.result);
2319             break;
2320 #endif  // Win95
2321
2322             // for these messages we must return TRUE if process the message
2323 #ifdef WM_DRAWITEM
2324         case WM_DRAWITEM:
2325         case WM_MEASUREITEM:
2326             {
2327                 int idCtrl = (UINT)wParam;
2328                 if ( message == WM_DRAWITEM )
2329                 {
2330                     processed = MSWOnDrawItem(idCtrl,
2331                                               (WXDRAWITEMSTRUCT *)lParam);
2332                 }
2333                 else
2334                 {
2335                     processed = MSWOnMeasureItem(idCtrl,
2336                                                  (WXMEASUREITEMSTRUCT *)lParam);
2337                 }
2338
2339                 if ( processed )
2340                     rc.result = TRUE;
2341             }
2342             break;
2343 #endif // defined(WM_DRAWITEM)
2344
2345         case WM_GETDLGCODE:
2346             if ( m_lDlgCode )
2347             {
2348                 rc.result = m_lDlgCode;
2349                 processed = TRUE;
2350             }
2351             //else: get the dlg code from the DefWindowProc()
2352             break;
2353
2354         case WM_SYSKEYDOWN:
2355         case WM_KEYDOWN:
2356             // If this has been processed by an event handler,
2357             // return 0 now (we've handled it).
2358             if ( HandleKeyDown((WORD) wParam, lParam) )
2359             {
2360                 processed = TRUE;
2361
2362                 break;
2363             }
2364
2365             // we consider these message "not interesting" to OnChar
2366             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2367             {
2368                 processed = TRUE;
2369
2370                 break;
2371             }
2372
2373             switch ( wParam )
2374             {
2375                 // avoid duplicate messages to OnChar for these ASCII keys: they
2376                 // will be translated by TranslateMessage() and received in WM_CHAR
2377                 case VK_ESCAPE:
2378                 case VK_SPACE:
2379                 case VK_RETURN:
2380                 case VK_BACK:
2381                 case VK_TAB:
2382                 case VK_ADD:
2383                 case VK_SUBTRACT:
2384                     // but set processed to FALSE, not TRUE to still pass them to
2385                     // the control's default window proc - otherwise built-in
2386                     // keyboard handling won't work
2387                     processed = FALSE;
2388
2389                     break;
2390
2391 #ifdef VK_APPS
2392                 // special case of VK_APPS: treat it the same as right mouse
2393                 // click because both usually pop up a context menu
2394                 case VK_APPS:
2395                     {
2396                         WPARAM flags;
2397                         int x, y;
2398
2399                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2400                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2401                     }
2402                     break;
2403 #endif // VK_APPS
2404
2405                 case VK_LEFT:
2406                 case VK_RIGHT:
2407                 case VK_DOWN:
2408                 case VK_UP:
2409                 default:
2410                     processed = HandleChar((WORD)wParam, lParam);
2411             }
2412             break;
2413
2414         case WM_SYSKEYUP:
2415         case WM_KEYUP:
2416 #ifdef VK_APPS
2417             // special case of VK_APPS: treat it the same as right mouse button
2418             if ( wParam == VK_APPS )
2419             {
2420                 WPARAM flags;
2421                 int x, y;
2422
2423                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2424                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2425             }
2426             else
2427 #endif // VK_APPS
2428             {
2429                 processed = HandleKeyUp((WORD) wParam, lParam);
2430             }
2431             break;
2432
2433         case WM_SYSCHAR:
2434         case WM_CHAR: // Always an ASCII character
2435             processed = HandleChar((WORD)wParam, lParam, TRUE);
2436             break;
2437
2438         case WM_HSCROLL:
2439         case WM_VSCROLL:
2440             {
2441                 WXWORD code, pos;
2442                 WXHWND hwnd;
2443                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2444
2445                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2446                                                               : wxVERTICAL,
2447                                         code, pos, hwnd);
2448             }
2449             break;
2450
2451         // CTLCOLOR messages are sent by children to query the parent for their
2452         // colors#ifndef __WXMICROWIN__
2453 #ifndef __WXMICROWIN__
2454 #ifdef __WIN32__
2455         case WM_CTLCOLORMSGBOX:
2456         case WM_CTLCOLOREDIT:
2457         case WM_CTLCOLORLISTBOX:
2458         case WM_CTLCOLORBTN:
2459         case WM_CTLCOLORDLG:
2460         case WM_CTLCOLORSCROLLBAR:
2461         case WM_CTLCOLORSTATIC:
2462 #else // Win16
2463         case WM_CTLCOLOR:
2464 #endif // Win32/16
2465             {
2466                 WXWORD nCtlColor;
2467                 WXHDC hdc;
2468                 WXHWND hwnd;
2469                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2470
2471                 processed = HandleCtlColor(&rc.hBrush,
2472                                            (WXHDC)hdc,
2473                                            (WXHWND)hwnd,
2474                                            nCtlColor,
2475                                            message,
2476                                            wParam,
2477                                            lParam);
2478             }
2479             break;
2480 #endif // !__WXMICROWIN__
2481
2482             // the return value for this message is ignored
2483         case WM_SYSCOLORCHANGE:
2484             processed = HandleSysColorChange();
2485             break;
2486
2487         case WM_PALETTECHANGED:
2488             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2489             break;
2490
2491         case WM_QUERYNEWPALETTE:
2492             processed = HandleQueryNewPalette();
2493             break;
2494
2495         case WM_ERASEBKGND:
2496             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2497             if ( processed )
2498             {
2499                 // we processed the message, i.e. erased the background
2500                 rc.result = TRUE;
2501             }
2502             break;
2503
2504         case WM_DROPFILES:
2505             processed = HandleDropFiles(wParam);
2506             break;
2507
2508         case WM_INITDIALOG:
2509             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2510
2511             if ( processed )
2512             {
2513                 // we never set focus from here
2514                 rc.result = FALSE;
2515             }
2516             break;
2517
2518         case WM_QUERYENDSESSION:
2519             processed = HandleQueryEndSession(lParam, &rc.allow);
2520             break;
2521
2522         case WM_ENDSESSION:
2523             processed = HandleEndSession(wParam != 0, lParam);
2524             break;
2525
2526         case WM_GETMINMAXINFO:
2527             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2528             break;
2529
2530         case WM_SETCURSOR:
2531             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2532                                         LOWORD(lParam),     // hit test
2533                                         HIWORD(lParam));    // mouse msg
2534
2535             if ( processed )
2536             {
2537                 // returning TRUE stops the DefWindowProc() from further
2538                 // processing this message - exactly what we need because we've
2539                 // just set the cursor.
2540                 rc.result = TRUE;
2541             }
2542             break;
2543
2544 #if defined(__WIN32__) && defined(WM_HELP)
2545         case WM_HELP:
2546             {
2547                 HELPINFO* info = (HELPINFO*) lParam;
2548                 // Don't yet process menu help events, just windows
2549                 if (info->iContextType == HELPINFO_WINDOW)
2550                 {
2551                     wxWindowMSW* subjectOfHelp = this;
2552                     bool eventProcessed = FALSE;
2553                     while (subjectOfHelp && !eventProcessed)
2554                     {
2555                         wxHelpEvent helpEvent(wxEVT_HELP,
2556                                               subjectOfHelp->GetId(),
2557                                               wxPoint(info->MousePos.x,
2558                                               info->MousePos.y) );
2559                         helpEvent.SetEventObject(this);
2560                         eventProcessed =
2561                             GetEventHandler()->ProcessEvent(helpEvent);
2562
2563                         // Go up the window hierarchy until the event is
2564                         // handled (or not)
2565                         subjectOfHelp = subjectOfHelp->GetParent();
2566                     }
2567
2568                     processed = eventProcessed;
2569                 }
2570                 else if (info->iContextType == HELPINFO_MENUITEM)
2571                 {
2572                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2573                     helpEvent.SetEventObject(this);
2574                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2575
2576                 }
2577                 //else: processed is already FALSE
2578             }
2579             break;
2580
2581         case WM_CONTEXTMENU:
2582             {
2583                 // we don't convert from screen to client coordinates as
2584                 // the event may be handled by a parent window
2585                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2586
2587                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2588                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2589             }
2590             break;
2591 #endif // __WIN32__
2592
2593 #ifdef __WXUNIVERSAL__
2594         case WM_NCHITTEST:
2595             // we shouldn't allow the windows which don't want to get focus to
2596             // get it
2597             if ( !AcceptsFocus() )
2598             {
2599                 rc.result = HTTRANSPARENT;
2600                 processed = TRUE;
2601             }
2602             break;
2603 #endif // __WXUNIVERSAL__
2604     }
2605
2606     if ( !processed )
2607     {
2608 #ifdef __WXDEBUG__
2609         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2610                    wxGetMessageName(message));
2611 #endif // __WXDEBUG__
2612         rc.result = MSWDefWindowProc(message, wParam, lParam);
2613     }
2614
2615     return rc.result;
2616 }
2617
2618 // Dialog window proc
2619 LONG APIENTRY _EXPORT
2620 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2621 {
2622     if ( message == WM_INITDIALOG )
2623     {
2624         // for this message, returning TRUE tells system to set focus to the
2625         // first control in the dialog box
2626         return TRUE;
2627     }
2628     else
2629     {
2630         // for all the other ones, FALSE means that we didn't process the
2631         // message
2632         return 0;
2633     }
2634 }
2635
2636 wxList *wxWinHandleList = NULL;
2637 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2638 {
2639     wxNode *node = wxWinHandleList->Find((long)hWnd);
2640     if ( !node )
2641         return NULL;
2642     return (wxWindow *)node->Data();
2643 }
2644
2645 #if 0 // def __WXDEBUG__
2646 static int gs_AssociationCount = 0;
2647 #endif
2648
2649 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2650 {
2651     // adding NULL hWnd is (first) surely a result of an error and
2652     // (secondly) breaks menu command processing
2653     wxCHECK_RET( hWnd != (HWND)NULL,
2654                  wxT("attempt to add a NULL hWnd to window list ignored") );
2655
2656
2657     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2658     if ( oldWin && (oldWin != win) )
2659     {
2660         wxString str(win->GetClassInfo()->GetClassName());
2661         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2662     }
2663     else if (!oldWin)
2664     {
2665 #if 0 // def __WXDEBUG__
2666         gs_AssociationCount ++;
2667         wxLogDebug("+ Association %d", gs_AssociationCount);
2668 #endif
2669
2670         wxWinHandleList->Append((long)hWnd, win);
2671     }
2672 }
2673
2674 void wxRemoveHandleAssociation(wxWindowMSW *win)
2675 {
2676 #if 0 // def __WXDEBUG__
2677     if (wxWinHandleList->Member(win))
2678     {
2679         wxLogDebug("- Association %d", gs_AssociationCount);
2680         gs_AssociationCount --;
2681     }
2682 #endif
2683     wxWinHandleList->DeleteObject(win);
2684 }
2685
2686 // Default destroyer - override if you destroy it in some other way
2687 // (e.g. with MDI child windows)
2688 void wxWindowMSW::MSWDestroyWindow()
2689 {
2690 }
2691
2692 void wxWindowMSW::MSWDetachWindowMenu()
2693 {
2694 #ifndef __WXUNIVERSAL__
2695     if ( m_hMenu )
2696     {
2697         wxChar buf[1024];
2698         HMENU hMenu = (HMENU)m_hMenu;
2699
2700         int N = ::GetMenuItemCount(hMenu);
2701         for ( int i = 0; i < N; i++ )
2702         {
2703             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2704             {
2705                 wxLogLastError(wxT("GetMenuString"));
2706
2707                 continue;
2708             }
2709
2710             if ( wxStrcmp(buf, _("&Window")) == 0 )
2711             {
2712                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2713                 {
2714                     wxLogLastError(wxT("RemoveMenu"));
2715                 }
2716
2717                 break;
2718             }
2719         }
2720     }
2721 #endif
2722 }
2723
2724 bool wxWindowMSW::MSWCreate(int id,
2725                             wxWindow *parent,
2726                             const wxChar *wclass,
2727                             wxWindow * WXUNUSED(wx_win),
2728                             const wxChar *title,
2729                             int x,
2730                             int y,
2731                             int width,
2732                             int height,
2733                             WXDWORD style,
2734                             const wxChar *dialog_template,
2735                             WXDWORD extendedStyle)
2736 {
2737     int x1 = CW_USEDEFAULT;
2738     int y1 = 0;
2739     int width1 = CW_USEDEFAULT;
2740     int height1 = 100;
2741
2742     // Find parent's size, if it exists, to set up a possible default
2743     // panel size the size of the parent window
2744     RECT rectParent;
2745     if ( parent )
2746     {
2747         ::GetClientRect(GetHwndOf(parent), &rectParent);
2748
2749         width1 = rectParent.right - rectParent.left;
2750         height1 = rectParent.bottom - rectParent.top;
2751     }
2752
2753     if ( x != -1 )
2754         x1 = x;
2755     if ( y != -1 )
2756         y1 = y;
2757     if ( width != -1 )
2758         width1 = width;
2759     if ( height != -1 )
2760         height1 = height;
2761
2762     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2763     // hierarchy with several embedded panels (and not all of them) causes the
2764     // program to hang during the next call to IsDialogMessage() due to the bug
2765     // in this function (at least in Windows NT 4.0, it seems to work ok in
2766     // Win2K)
2767 #if 0
2768     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2769     // IsDialogMessage() won't work for us
2770     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2771     {
2772         extendedStyle |= WS_EX_CONTROLPARENT;
2773     }
2774 #endif // 0
2775
2776     HWND hParent;
2777     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2778     {
2779         // popup windows should have desktop as parent because they shouldn't
2780         // be limited to the parents client area as child windows usually are
2781         hParent = ::GetDesktopWindow();
2782     }
2783     else if ( parent )
2784     {
2785         hParent = GetHwndOf(parent);
2786     }
2787     else
2788     {
2789         // top level window
2790         hParent = NULL;
2791     }
2792
2793     wxWndHook = this;
2794
2795 #ifndef __WXMICROWIN__
2796     if ( dialog_template )
2797     {
2798         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2799         // app window as parent - this avoids creating modal dialogs without
2800         // parent
2801         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2802         {
2803             wxWindow *winTop = wxTheApp->GetTopWindow();
2804             if ( winTop )
2805                 hParent = GetHwndOf(winTop);
2806         }
2807
2808         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2809                                         dialog_template,
2810                                         hParent,
2811                                         (DLGPROC)wxDlgProc);
2812
2813         if ( m_hWnd == 0 )
2814         {
2815             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2816                        dialog_template);
2817
2818             return FALSE;
2819         }
2820
2821         if ( extendedStyle != 0 )
2822         {
2823             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2824             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2825                            SWP_NOSIZE |
2826                            SWP_NOMOVE |
2827                            SWP_NOZORDER |
2828                            SWP_NOACTIVATE);
2829         }
2830
2831 #if defined(__WIN95__)
2832         // For some reason, the system menu is activated when we use the
2833         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2834         if (extendedStyle & WS_EX_CONTEXTHELP)
2835         {
2836             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2837             if ( winTop )
2838             {
2839                 wxIcon icon = winTop->GetIcon();
2840                 if ( icon.Ok() )
2841                 {
2842                     ::SendMessage(GetHwnd(), WM_SETICON,
2843                                   (WPARAM)TRUE,
2844                                   (LPARAM)GetHiconOf(icon));
2845                 }
2846             }
2847         }
2848 #endif // __WIN95__
2849
2850
2851         // JACS: is the following still necessary? The above seems to work.
2852
2853         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2854         // to take care of (at least some) extended style flags ourselves
2855         if ( extendedStyle & WS_EX_TOPMOST )
2856         {
2857             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2858                                  SWP_NOSIZE | SWP_NOMOVE) )
2859             {
2860                 wxLogLastError(wxT("SetWindowPos"));
2861             }
2862         }
2863
2864         // move the dialog to its initial position without forcing repainting
2865         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2866         {
2867             wxLogLastError(wxT("MoveWindow"));
2868         }
2869
2870     }
2871     else // creating a normal window, not a dialog
2872 #endif // !__WXMICROWIN__
2873     {
2874         int controlId = 0;
2875         if ( style & WS_CHILD )
2876         {
2877             controlId = id;
2878
2879             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2880             {
2881                 style |= WS_CLIPSIBLINGS;
2882             }
2883         }
2884
2885         wxString className(wclass);
2886         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2887         {
2888             className += wxT("NR");
2889         }
2890
2891         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2892                                         className,
2893                                         title ? title : wxT(""),
2894                                         style,
2895                                         x1, y1,
2896                                         width1, height1,
2897                                         hParent, (HMENU)controlId,
2898                                         wxGetInstance(),
2899                                         NULL);
2900
2901         if ( !m_hWnd )
2902         {
2903             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2904                        wclass);
2905
2906             return FALSE;
2907         }
2908     }
2909
2910     wxWndHook = NULL;
2911
2912 #ifdef __WXDEBUG__
2913     wxNode* node = wxWinHandleList->Member(this);
2914     if (node)
2915     {
2916         HWND hWnd = (HWND) node->GetKeyInteger();
2917         if (hWnd != (HWND) m_hWnd)
2918         {
2919             wxLogError(wxT("A second HWND association is being added for the same window!"));
2920         }
2921     }
2922 #endif // Debug
2923
2924     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2925
2926     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2927
2928     return TRUE;
2929 }
2930
2931 // ===========================================================================
2932 // MSW message handlers
2933 // ===========================================================================
2934
2935 // ---------------------------------------------------------------------------
2936 // WM_NOTIFY
2937 // ---------------------------------------------------------------------------
2938
2939 #ifdef __WIN95__
2940 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2941 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2942 {
2943 #ifndef __WXMICROWIN__
2944     LPNMHDR hdr = (LPNMHDR)lParam;
2945     HWND hWnd = hdr->hwndFrom;
2946     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2947
2948     // is this one of our windows?
2949     if ( win )
2950     {
2951         return win->MSWOnNotify(idCtrl, lParam, result);
2952     }
2953
2954     // try all our children
2955     wxWindowList::Node *node = GetChildren().GetFirst();
2956     while ( node )
2957     {
2958         wxWindow *child = node->GetData();
2959         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2960         {
2961             return TRUE;
2962         }
2963
2964         node = node->GetNext();
2965     }
2966
2967     // finally try this window too (catches toolbar case)
2968     return MSWOnNotify(idCtrl, lParam, result);
2969 #else // __WXMICROWIN__
2970     return FALSE;
2971 #endif
2972 }
2973
2974 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2975                            WXLPARAM lParam,
2976                            WXLPARAM* WXUNUSED(result))
2977 {
2978 #if wxUSE_TOOLTIPS
2979     NMHDR* hdr = (NMHDR *)lParam;
2980     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2981     {
2982         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2983         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2984
2985         // processed
2986         return TRUE;
2987     }
2988 #endif // wxUSE_TOOLTIPS
2989
2990     return FALSE;
2991 }
2992 #endif // __WIN95__
2993
2994 // ---------------------------------------------------------------------------
2995 // end session messages
2996 // ---------------------------------------------------------------------------
2997
2998 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2999 {
3000     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
3001     event.SetEventObject(wxTheApp);
3002     event.SetCanVeto(TRUE);
3003     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
3004
3005     bool rc = wxTheApp->ProcessEvent(event);
3006
3007     if ( rc )
3008     {
3009         // we may end only if the app didn't veto session closing (double
3010         // negation...)
3011         *mayEnd = !event.GetVeto();
3012     }
3013
3014     return rc;
3015 }
3016
3017 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
3018 {
3019     // do nothing if the session isn't ending
3020     if ( !endSession )
3021         return FALSE;
3022
3023     wxCloseEvent event(wxEVT_END_SESSION, -1);
3024     event.SetEventObject(wxTheApp);
3025     event.SetCanVeto(FALSE);
3026     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
3027     if ( (this == wxTheApp->GetTopWindow()) && // Only send once
3028         wxTheApp->ProcessEvent(event))
3029     {
3030     }
3031     return TRUE;
3032 }
3033
3034 // ---------------------------------------------------------------------------
3035 // window creation/destruction
3036 // ---------------------------------------------------------------------------
3037
3038 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
3039 {
3040     // TODO: should generate this event from WM_NCCREATE
3041     wxWindowCreateEvent event((wxWindow *)this);
3042     (void)GetEventHandler()->ProcessEvent(event);
3043
3044     *mayCreate = TRUE;
3045
3046     return TRUE;
3047 }
3048
3049 bool wxWindowMSW::HandleDestroy()
3050 {
3051     wxWindowDestroyEvent event((wxWindow *)this);
3052     (void)GetEventHandler()->ProcessEvent(event);
3053
3054     // delete our drop target if we've got one
3055 #if wxUSE_DRAG_AND_DROP
3056     if ( m_dropTarget != NULL )
3057     {
3058         m_dropTarget->Revoke(m_hWnd);
3059
3060         delete m_dropTarget;
3061         m_dropTarget = NULL;
3062     }
3063 #endif // wxUSE_DRAG_AND_DROP
3064
3065     // WM_DESTROY handled
3066     return TRUE;
3067 }
3068
3069 // ---------------------------------------------------------------------------
3070 // activation/focus
3071 // ---------------------------------------------------------------------------
3072
3073 bool wxWindowMSW::HandleActivate(int state,
3074                               bool WXUNUSED(minimized),
3075                               WXHWND WXUNUSED(activate))
3076 {
3077     wxActivateEvent event(wxEVT_ACTIVATE,
3078                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
3079                           m_windowId);
3080     event.SetEventObject(this);
3081
3082     return GetEventHandler()->ProcessEvent(event);
3083 }
3084
3085 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
3086 {
3087     // notify the parent keeping track of focus for the kbd navigation
3088     // purposes that we got it
3089     wxChildFocusEvent eventFocus(this);
3090     (void)GetEventHandler()->ProcessEvent(eventFocus);
3091
3092 #if wxUSE_CARET
3093     // Deal with caret
3094     if ( m_caret )
3095     {
3096         m_caret->OnSetFocus();
3097     }
3098 #endif // wxUSE_CARET
3099
3100 #if wxUSE_TEXTCTRL
3101     // If it's a wxTextCtrl don't send the event as it will be done
3102     // after the control gets to process it from EN_FOCUS handler
3103     if ( wxDynamicCastThis(wxTextCtrl) )
3104     {
3105         return FALSE;
3106     }
3107 #endif // wxUSE_TEXTCTRL
3108
3109     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
3110     event.SetEventObject(this);
3111
3112     // wxFindWinFromHandle() may return NULL, it is ok
3113     event.SetWindow(wxFindWinFromHandle(hwnd));
3114
3115     return GetEventHandler()->ProcessEvent(event);
3116 }
3117
3118 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
3119 {
3120 #if wxUSE_CARET
3121     // Deal with caret
3122     if ( m_caret )
3123     {
3124         m_caret->OnKillFocus();
3125     }
3126 #endif // wxUSE_CARET
3127
3128 #if wxUSE_TEXTCTRL
3129     // If it's a wxTextCtrl don't send the event as it will be done
3130     // after the control gets to process it.
3131     wxTextCtrl *ctrl = wxDynamicCastThis(wxTextCtrl);
3132     if ( ctrl )
3133     {
3134         return FALSE;
3135     }
3136 #endif
3137
3138     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
3139     event.SetEventObject(this);
3140
3141     // wxFindWinFromHandle() may return NULL, it is ok
3142     event.SetWindow(wxFindWinFromHandle(hwnd));
3143
3144     return GetEventHandler()->ProcessEvent(event);
3145 }
3146
3147 // ---------------------------------------------------------------------------
3148 // miscellaneous
3149 // ---------------------------------------------------------------------------
3150
3151 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3152 {
3153     wxShowEvent event(GetId(), show);
3154     event.m_eventObject = this;
3155
3156     return GetEventHandler()->ProcessEvent(event);
3157 }
3158
3159 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3160 {
3161     wxInitDialogEvent event(GetId());
3162     event.m_eventObject = this;
3163
3164     return GetEventHandler()->ProcessEvent(event);
3165 }
3166
3167 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3168 {
3169 #ifndef __WXMICROWIN__
3170     HDROP hFilesInfo = (HDROP) wParam;
3171     POINT dropPoint;
3172     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3173
3174     // Get the total number of files dropped
3175     WORD gwFilesDropped = (WORD)::DragQueryFile
3176                             (
3177                                 (HDROP)hFilesInfo,
3178                                 (UINT)-1,
3179                                 (LPTSTR)0,
3180                                 (UINT)0
3181                             );
3182
3183     wxString *files = new wxString[gwFilesDropped];
3184     int wIndex;
3185     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3186     {
3187         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3188         files[wIndex] = wxBuffer;
3189     }
3190     DragFinish (hFilesInfo);
3191
3192     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3193     event.m_eventObject = this;
3194     event.m_pos.x = dropPoint.x; event.m_pos.x = dropPoint.y;
3195
3196     bool rc = GetEventHandler()->ProcessEvent(event);
3197
3198     delete[] files;
3199
3200     return rc;
3201 #else // __WXMICROWIN__
3202     return FALSE;
3203 #endif
3204 }
3205
3206 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3207                                   short nHitTest,
3208                                   int WXUNUSED(mouseMsg))
3209 {
3210 #ifndef __WXMICROWIN__
3211     // the logic is as follows:
3212     // -1. don't set cursor for non client area, including but not limited to
3213     //     the title bar, scrollbars, &c
3214     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3215     //  1. if we have the cursor set it unless wxIsBusy()
3216     //  2. if we're a top level window, set some cursor anyhow
3217     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3218
3219     if ( nHitTest != HTCLIENT )
3220     {
3221         return FALSE;
3222     }
3223
3224     HCURSOR hcursor = 0;
3225
3226     // first ask the user code - it may wish to set the cursor in some very
3227     // specific way (for example, depending on the current position)
3228     POINT pt;
3229 #ifdef __WIN32__
3230     if ( !::GetCursorPos(&pt) )
3231     {
3232         wxLogLastError(wxT("GetCursorPos"));
3233     }
3234 #else
3235     // In WIN16 it doesn't return a value.
3236     ::GetCursorPos(&pt);
3237 #endif
3238
3239     int x = pt.x,
3240         y = pt.y;
3241     ScreenToClient(&x, &y);
3242     wxSetCursorEvent event(x, y);
3243
3244     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3245     if ( processedEvtSetCursor && event.HasCursor() )
3246     {
3247         hcursor = GetHcursorOf(event.GetCursor());
3248     }
3249
3250     if ( !hcursor )
3251     {
3252         bool isBusy = wxIsBusy();
3253
3254         // the test for processedEvtSetCursor is here to prevent using m_cursor
3255         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3256         // it - this is a way to say that our cursor shouldn't be used for this
3257         // point
3258         if ( !processedEvtSetCursor && m_cursor.Ok() )
3259         {
3260             hcursor = GetHcursorOf(m_cursor);
3261         }
3262
3263         if ( !GetParent() )
3264         {
3265             if ( isBusy )
3266             {
3267                 hcursor = wxGetCurrentBusyCursor();
3268             }
3269             else if ( !hcursor )
3270             {
3271                 const wxCursor *cursor = wxGetGlobalCursor();
3272                 if ( cursor && cursor->Ok() )
3273                 {
3274                     hcursor = GetHcursorOf(*cursor);
3275                 }
3276             }
3277         }
3278     }
3279
3280     if ( hcursor )
3281     {
3282         ::SetCursor(hcursor);
3283
3284         // cursor set, stop here
3285         return TRUE;
3286     }
3287 #endif // __WXMICROWIN__
3288
3289     // pass up the window chain
3290     return FALSE;
3291 }
3292
3293 // ---------------------------------------------------------------------------
3294 // owner drawn stuff
3295 // ---------------------------------------------------------------------------
3296
3297 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3298 {
3299 #if wxUSE_OWNER_DRAWN
3300
3301 #if wxUSE_MENUS_NATIVE
3302     // is it a menu item?
3303     if ( id == 0 )
3304     {
3305         DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3306         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3307
3308         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3309
3310         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3311         // the DC from being released
3312         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3313         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3314                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3315                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3316
3317         return pMenuItem->OnDrawItem
3318                (
3319                 dc,
3320                 rect,
3321                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3322                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3323                );
3324     }
3325 #endif // wxUSE_MENUS_NATIVE
3326
3327 #if wxUSE_CONTROLS
3328     wxWindow *item = FindItem(id);
3329     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3330     {
3331         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3332     }
3333 #endif // wxUSE_CONTROLS
3334
3335 #endif // USE_OWNER_DRAWN
3336
3337     return FALSE;
3338 }
3339
3340 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3341 {
3342 #if wxUSE_OWNER_DRAWN
3343     // is it a menu item?
3344     if ( id == 0 )
3345     {
3346         MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3347         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3348
3349         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3350
3351         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3352                                         &pMeasureStruct->itemHeight);
3353     }
3354
3355     wxWindow *item = FindItem(id);
3356     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3357     {
3358         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3359     }
3360 #endif  // owner-drawn menus
3361     return FALSE;
3362 }
3363
3364 // ---------------------------------------------------------------------------
3365 // colours and palettes
3366 // ---------------------------------------------------------------------------
3367
3368 bool wxWindowMSW::HandleSysColorChange()
3369 {
3370     wxSysColourChangedEvent event;
3371     event.SetEventObject(this);
3372
3373     return GetEventHandler()->ProcessEvent(event);
3374 }
3375
3376 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3377                               WXHDC pDC,
3378                               WXHWND pWnd,
3379                               WXUINT nCtlColor,
3380                               WXUINT message,
3381                               WXWPARAM wParam,
3382                               WXLPARAM lParam)
3383 {
3384 #ifndef __WXMICROWIN__
3385     WXHBRUSH hBrush = 0;
3386
3387     if ( nCtlColor == CTLCOLOR_DLG )
3388     {
3389         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3390     }
3391 #if wxUSE_CONTROLS
3392     else
3393     {
3394         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3395         if ( item )
3396             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3397     }
3398 #endif // wxUSE_CONTROLS
3399
3400     if ( hBrush )
3401         *brush = hBrush;
3402
3403     return hBrush != 0;
3404 #else // __WXMICROWIN__
3405     return FALSE;
3406 #endif
3407 }
3408
3409 // Define for each class of dialog and control
3410 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3411                                  WXHWND WXUNUSED(hWnd),
3412                                  WXUINT WXUNUSED(nCtlColor),
3413                                  WXUINT WXUNUSED(message),
3414                                  WXWPARAM WXUNUSED(wParam),
3415                                  WXLPARAM WXUNUSED(lParam))
3416 {
3417     return (WXHBRUSH)0;
3418 }
3419
3420 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3421 {
3422     wxPaletteChangedEvent event(GetId());
3423     event.SetEventObject(this);
3424     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3425
3426     return GetEventHandler()->ProcessEvent(event);
3427 }
3428
3429 bool wxWindowMSW::HandleQueryNewPalette()
3430 {
3431     wxQueryNewPaletteEvent event(GetId());
3432     event.SetEventObject(this);
3433
3434     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3435 }
3436
3437 // Responds to colour changes: passes event on to children.
3438 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3439 {
3440     wxNode *node = GetChildren().First();
3441     while ( node )
3442     {
3443         // Only propagate to non-top-level windows
3444         wxWindow *win = (wxWindow *)node->Data();
3445         if ( win->GetParent() )
3446         {
3447             wxSysColourChangedEvent event2;
3448             event.m_eventObject = win;
3449             win->GetEventHandler()->ProcessEvent(event2);
3450         }
3451
3452         node = node->Next();
3453     }
3454 }
3455
3456 // ---------------------------------------------------------------------------
3457 // painting
3458 // ---------------------------------------------------------------------------
3459
3460 bool wxWindowMSW::HandlePaint()
3461 {
3462 #ifdef __WIN32__
3463     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3464     if ( !hRegion )
3465         wxLogLastError(wxT("CreateRectRgn"));
3466     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3467         wxLogLastError(wxT("GetUpdateRgn"));
3468
3469     m_updateRegion = wxRegion((WXHRGN) hRegion);
3470 #else // Win16
3471     RECT updateRect;
3472     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3473
3474     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3475                               updateRect.right - updateRect.left,
3476                               updateRect.bottom - updateRect.top);
3477 #endif // Win32/16
3478
3479     wxPaintEvent event(m_windowId);
3480     event.SetEventObject(this);
3481
3482     bool processed = GetEventHandler()->ProcessEvent(event);
3483
3484     // note that we must generate NC event after the normal one as otherwise
3485     // BeginPaint() will happily overwrite our decorations with the background
3486     // colour
3487     wxNcPaintEvent eventNc(m_windowId);
3488     eventNc.SetEventObject(this);
3489     GetEventHandler()->ProcessEvent(eventNc);
3490
3491     return processed;
3492 }
3493
3494 // Can be called from an application's OnPaint handler
3495 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3496 {
3497 #ifdef __WXUNIVERSAL__
3498     event.Skip();
3499 #else
3500     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3501     if (hDC != 0)
3502     {
3503         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3504     }
3505 #endif
3506 }
3507
3508 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3509 {
3510     // Prevents flicker when dragging
3511     if ( ::IsIconic(GetHwnd()) )
3512         return TRUE;
3513
3514     wxDCTemp dc(hdc);
3515
3516     dc.SetHDC(hdc);
3517     dc.SetWindow((wxWindow *)this);
3518     dc.BeginDrawing();
3519
3520     wxEraseEvent event(m_windowId, &dc);
3521     event.SetEventObject(this);
3522     bool rc = GetEventHandler()->ProcessEvent(event);
3523
3524     dc.EndDrawing();
3525
3526     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3527     dc.SelectOldObjects(hdc);
3528
3529     return rc;
3530 }
3531
3532 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3533 {
3534     RECT rect;
3535     ::GetClientRect(GetHwnd(), &rect);
3536
3537     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3538                               m_backgroundColour.Green(),
3539                               m_backgroundColour.Blue());
3540     HBRUSH hBrush = ::CreateSolidBrush(ref);
3541     if ( !hBrush )
3542         wxLogLastError(wxT("CreateSolidBrush"));
3543
3544     HDC hdc = (HDC)event.GetDC()->GetHDC();
3545
3546     int mode = ::SetMapMode(hdc, MM_TEXT);
3547
3548     ::FillRect(hdc, &rect, hBrush);
3549     ::DeleteObject(hBrush);
3550     ::SetMapMode(hdc, mode);
3551 }
3552
3553 // ---------------------------------------------------------------------------
3554 // moving and resizing
3555 // ---------------------------------------------------------------------------
3556
3557 bool wxWindowMSW::HandleMinimize()
3558 {
3559     wxIconizeEvent event(m_windowId);
3560     event.SetEventObject(this);
3561
3562     return GetEventHandler()->ProcessEvent(event);
3563 }
3564
3565 bool wxWindowMSW::HandleMaximize()
3566 {
3567     wxMaximizeEvent event(m_windowId);
3568     event.SetEventObject(this);
3569
3570     return GetEventHandler()->ProcessEvent(event);
3571 }
3572
3573 bool wxWindowMSW::HandleMove(int x, int y)
3574 {
3575     wxMoveEvent event(wxPoint(x, y), m_windowId);
3576     event.SetEventObject(this);
3577
3578     return GetEventHandler()->ProcessEvent(event);
3579 }
3580
3581 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3582 {
3583     wxSizeEvent event(wxSize(w, h), m_windowId);
3584     event.SetEventObject(this);
3585
3586     return GetEventHandler()->ProcessEvent(event);
3587 }
3588
3589 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3590 {
3591     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3592
3593     bool rc = FALSE;
3594
3595     if ( m_minWidth != -1 )
3596     {
3597         info->ptMinTrackSize.x = m_minWidth;
3598         rc = TRUE;
3599     }
3600
3601     if ( m_minHeight != -1 )
3602     {
3603         info->ptMinTrackSize.y = m_minHeight;
3604         rc = TRUE;
3605     }
3606
3607     if ( m_maxWidth != -1 )
3608     {
3609         info->ptMaxTrackSize.x = m_maxWidth;
3610         rc = TRUE;
3611     }
3612
3613     if ( m_maxHeight != -1 )
3614     {
3615         info->ptMaxTrackSize.y = m_maxHeight;
3616         rc = TRUE;
3617     }
3618
3619     return rc;
3620 }
3621
3622 // ---------------------------------------------------------------------------
3623 // command messages
3624 // ---------------------------------------------------------------------------
3625
3626 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3627 {
3628 #if wxUSE_MENUS_NATIVE
3629     if ( wxCurrentPopupMenu )
3630     {
3631         wxMenu *popupMenu = wxCurrentPopupMenu;
3632         wxCurrentPopupMenu = NULL;
3633
3634         return popupMenu->MSWCommand(cmd, id);
3635     }
3636 #endif // wxUSE_MENUS_NATIVE
3637
3638     wxWindow *win = (wxWindow*) NULL;
3639     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3640     {
3641         // must cast to a signed type before comparing with other ids!
3642         win = FindItem((signed short)id);
3643     }
3644
3645     if (!win && control)
3646     {
3647         // find it from HWND - this works even with the broken programs using
3648         // the same ids for different controls
3649         win = wxFindWinFromHandle(control);
3650     }
3651
3652     if ( win )
3653     {
3654         return win->MSWCommand(cmd, id);
3655     }
3656
3657     // the messages sent from the in-place edit control used by the treectrl
3658     // for label editing have id == 0, but they should _not_ be treated as menu
3659     // messages (they are EN_XXX ones, in fact) so don't translate anything
3660     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3661     if ( !control )
3662     {
3663         // If no child window, it may be an accelerator, e.g. for a popup menu
3664         // command
3665
3666         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3667         event.SetEventObject(this);
3668         event.SetId(id);
3669         event.SetInt(id);
3670
3671         return GetEventHandler()->ProcessEvent(event);
3672     }
3673 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3674     else
3675     {
3676         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3677         // notifications to its parent which we want to reflect back to
3678         // wxSpinCtrl
3679         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3680         if ( spin && spin->ProcessTextCommand(cmd, id) )
3681             return TRUE;
3682     }
3683 #endif // wxUSE_SPINCTRL
3684
3685     return FALSE;
3686 }
3687
3688 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3689 {
3690     // 4 bits are reserved
3691     switch ( wParam & 0xFFFFFFF0 )
3692     {
3693         case SC_MAXIMIZE:
3694             return HandleMaximize();
3695
3696         case SC_MINIMIZE:
3697             return HandleMinimize();
3698     }
3699
3700     return FALSE;
3701 }
3702
3703 // ---------------------------------------------------------------------------
3704 // mouse events
3705 // ---------------------------------------------------------------------------
3706
3707 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3708                                  int x, int y,
3709                                  WXUINT flags)
3710 {
3711     // our client coords are not quite the same as Windows ones
3712     wxPoint pt = GetClientAreaOrigin();
3713     event.m_x = x - pt.x;
3714     event.m_y = y - pt.y;
3715
3716     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3717     event.m_controlDown = (flags & MK_CONTROL) != 0;
3718     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3719     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3720     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3721     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3722
3723     event.SetTimestamp(s_currentMsg.time);
3724     event.m_eventObject = this;
3725
3726 #if wxUSE_MOUSEEVENT_HACK
3727     m_lastMouseX = x;
3728     m_lastMouseY = y;
3729     m_lastMouseEvent = event.GetEventType();
3730 #endif // wxUSE_MOUSEEVENT_HACK
3731 }
3732
3733 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3734 {
3735     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3736     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3737     // from the message id and take the value in the table to get wxWin event
3738     // id
3739     static const wxEventType eventsMouse[] =
3740     {
3741         wxEVT_MOTION,
3742         wxEVT_LEFT_DOWN,
3743         wxEVT_LEFT_UP,
3744         wxEVT_LEFT_DCLICK,
3745         wxEVT_RIGHT_DOWN,
3746         wxEVT_RIGHT_UP,
3747         wxEVT_RIGHT_DCLICK,
3748         wxEVT_MIDDLE_DOWN,
3749         wxEVT_MIDDLE_UP,
3750         wxEVT_MIDDLE_DCLICK
3751     };
3752
3753     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3754     InitMouseEvent(event, x, y, flags);
3755
3756     return GetEventHandler()->ProcessEvent(event);
3757 }
3758
3759 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3760 {
3761     if ( !m_mouseInWindow )
3762     {
3763         // it would be wrong to assume that just because we get a mouse move
3764         // event that the mouse is inside the window: although this is usually
3765         // true, it is not if we had captured the mouse, so we need to check
3766         // the mouse coordinates here
3767         if ( !HasCapture() || IsMouseInWindow() )
3768         {
3769             // Generate an ENTER event
3770             m_mouseInWindow = TRUE;
3771
3772             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3773             InitMouseEvent(event, x, y, flags);
3774
3775             (void)GetEventHandler()->ProcessEvent(event);
3776         }
3777     }
3778
3779 #if wxUSE_MOUSEEVENT_HACK
3780     // Window gets a click down message followed by a mouse move message even
3781     // if position isn't changed!  We want to discard the trailing move event
3782     // if x and y are the same.
3783     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3784           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3785           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3786          (m_lastMouseX == x && m_lastMouseY == y) )
3787     {
3788         m_lastMouseEvent = wxEVT_MOTION;
3789
3790         return FALSE;
3791     }
3792 #endif // wxUSE_MOUSEEVENT_HACK
3793
3794     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3795 }
3796
3797
3798 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3799 {
3800 #if wxUSE_MOUSEWHEEL
3801     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3802     InitMouseEvent(event,
3803                    GET_X_LPARAM(lParam),
3804                    GET_Y_LPARAM(lParam),
3805                    LOWORD(wParam));
3806     event.m_wheelRotation = (short)HIWORD(wParam);
3807     event.m_wheelDelta = WHEEL_DELTA;
3808
3809 #ifdef __WIN32__
3810     static int s_linesPerRotation = -1;
3811     if ( s_linesPerRotation == -1 )
3812     {
3813         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3814                                      &s_linesPerRotation, 0))
3815         {
3816             // this is not supposed to happen
3817             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3818
3819             // the default is 3, so use it if SystemParametersInfo() failed
3820             s_linesPerRotation = 3;
3821         }
3822     }
3823 #else // Win16
3824     // no SystemParametersInfo() under Win16
3825     static const int s_linesPerRotation = 3;
3826 #endif
3827
3828     event.m_linesPerAction = s_linesPerRotation;
3829     return GetEventHandler()->ProcessEvent(event);
3830
3831 #else
3832     (void) wParam;
3833     (void) lParam;
3834
3835     return FALSE;
3836 #endif
3837 }
3838
3839
3840 // ---------------------------------------------------------------------------
3841 // keyboard handling
3842 // ---------------------------------------------------------------------------
3843
3844 // create the key event of the given type for the given key - used by
3845 // HandleChar and HandleKeyDown/Up
3846 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3847                                     int id,
3848                                     WXLPARAM lParam) const
3849 {
3850     wxKeyEvent event(evType);
3851     event.SetId(GetId());
3852     event.m_shiftDown = wxIsShiftDown();
3853     event.m_controlDown = wxIsCtrlDown();
3854     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3855
3856     event.m_eventObject = (wxWindow *)this; // const_cast
3857     event.m_keyCode = id;
3858     event.SetTimestamp(s_currentMsg.time);
3859
3860     // translate the position to client coords
3861     POINT pt;
3862     GetCursorPos(&pt);
3863     RECT rect;
3864     GetWindowRect(GetHwnd(),&rect);
3865     pt.x -= rect.left;
3866     pt.y -= rect.top;
3867
3868     event.m_x = pt.x;
3869     event.m_y = pt.y;
3870
3871     return event;
3872 }
3873
3874 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3875 // WM_KEYDOWN one
3876 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3877 {
3878     bool ctrlDown = FALSE;
3879
3880     int id;
3881     if ( isASCII )
3882     {
3883         // If 1 -> 26, translate to CTRL plus a letter.
3884         id = wParam;
3885         if ( (id > 0) && (id < 27) )
3886         {
3887             switch (id)
3888             {
3889                 case 13:
3890                     id = WXK_RETURN;
3891                     break;
3892
3893                 case 8:
3894                     id = WXK_BACK;
3895                     break;
3896
3897                 case 9:
3898                     id = WXK_TAB;
3899                     break;
3900
3901                 default:
3902                     ctrlDown = TRUE;
3903                     id = id + 96;
3904             }
3905         }
3906     }
3907     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3908     {
3909         // it's ASCII and will be processed here only when called from
3910         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3911         id = -1;
3912     }
3913
3914     if ( id != -1 )
3915     {
3916         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3917         if ( ctrlDown )
3918         {
3919             event.m_controlDown = TRUE;
3920         }
3921
3922         if ( GetEventHandler()->ProcessEvent(event) )
3923             return TRUE;
3924     }
3925
3926     return FALSE;
3927 }
3928
3929 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3930 {
3931     int id = wxCharCodeMSWToWX(wParam);
3932
3933     if ( !id )
3934     {
3935         // normal ASCII char
3936         id = wParam;
3937     }
3938
3939     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3940     {
3941         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3942         if ( GetEventHandler()->ProcessEvent(event) )
3943         {
3944             return TRUE;
3945         }
3946     }
3947
3948     return FALSE;
3949 }
3950
3951 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3952 {
3953     int id = wxCharCodeMSWToWX(wParam);
3954
3955     if ( !id )
3956     {
3957         // normal ASCII char
3958         id = wParam;
3959     }
3960
3961     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3962     {
3963         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3964         if ( GetEventHandler()->ProcessEvent(event) )
3965             return TRUE;
3966     }
3967
3968     return FALSE;
3969 }
3970
3971 // ---------------------------------------------------------------------------
3972 // joystick
3973 // ---------------------------------------------------------------------------
3974
3975 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3976 {
3977 #ifdef JOY_BUTTON1
3978     int change = 0;
3979     if ( flags & JOY_BUTTON1CHG )
3980         change = wxJOY_BUTTON1;
3981     if ( flags & JOY_BUTTON2CHG )
3982         change = wxJOY_BUTTON2;
3983     if ( flags & JOY_BUTTON3CHG )
3984         change = wxJOY_BUTTON3;
3985     if ( flags & JOY_BUTTON4CHG )
3986         change = wxJOY_BUTTON4;
3987
3988     int buttons = 0;
3989     if ( flags & JOY_BUTTON1 )
3990         buttons |= wxJOY_BUTTON1;
3991     if ( flags & JOY_BUTTON2 )
3992         buttons |= wxJOY_BUTTON2;
3993     if ( flags & JOY_BUTTON3 )
3994         buttons |= wxJOY_BUTTON3;
3995     if ( flags & JOY_BUTTON4 )
3996         buttons |= wxJOY_BUTTON4;
3997
3998     // the event ids aren't consecutive so we can't use table based lookup
3999     int joystick;
4000     wxEventType eventType;
4001     switch ( msg )
4002     {
4003         case MM_JOY1MOVE:
4004             joystick = 1;
4005             eventType = wxEVT_JOY_MOVE;
4006             break;
4007
4008         case MM_JOY2MOVE:
4009             joystick = 2;
4010             eventType = wxEVT_JOY_MOVE;
4011             break;
4012
4013         case MM_JOY1ZMOVE:
4014             joystick = 1;
4015             eventType = wxEVT_JOY_ZMOVE;
4016             break;
4017
4018         case MM_JOY2ZMOVE:
4019             joystick = 2;
4020             eventType = wxEVT_JOY_ZMOVE;
4021             break;
4022
4023         case MM_JOY1BUTTONDOWN:
4024             joystick = 1;
4025             eventType = wxEVT_JOY_BUTTON_DOWN;
4026             break;
4027
4028         case MM_JOY2BUTTONDOWN:
4029             joystick = 2;
4030             eventType = wxEVT_JOY_BUTTON_DOWN;
4031             break;
4032
4033         case MM_JOY1BUTTONUP:
4034             joystick = 1;
4035             eventType = wxEVT_JOY_BUTTON_UP;
4036             break;
4037
4038         case MM_JOY2BUTTONUP:
4039             joystick = 2;
4040             eventType = wxEVT_JOY_BUTTON_UP;
4041             break;
4042
4043         default:
4044             wxFAIL_MSG(wxT("no such joystick event"));
4045
4046             return FALSE;
4047     }
4048
4049     wxJoystickEvent event(eventType, buttons, joystick, change);
4050     event.SetPosition(wxPoint(x, y));
4051     event.SetEventObject(this);
4052
4053     return GetEventHandler()->ProcessEvent(event);
4054 #else
4055     return FALSE;
4056 #endif
4057 }
4058
4059 // ---------------------------------------------------------------------------
4060 // scrolling
4061 // ---------------------------------------------------------------------------
4062
4063 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
4064                            WXWORD pos, WXHWND control)
4065 {
4066     if ( control )
4067     {
4068         wxWindow *child = wxFindWinFromHandle(control);
4069         if ( child )
4070             return child->MSWOnScroll(orientation, wParam, pos, control);
4071     }
4072
4073     wxScrollWinEvent event;
4074     event.SetPosition(pos);
4075     event.SetOrientation(orientation);
4076     event.m_eventObject = this;
4077
4078     switch ( wParam )
4079     {
4080     case SB_TOP:
4081         event.m_eventType = wxEVT_SCROLLWIN_TOP;
4082         break;
4083
4084     case SB_BOTTOM:
4085         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
4086         break;
4087
4088     case SB_LINEUP:
4089         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
4090         break;
4091
4092     case SB_LINEDOWN:
4093         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
4094         break;
4095
4096     case SB_PAGEUP:
4097         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
4098         break;
4099
4100     case SB_PAGEDOWN:
4101         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
4102         break;
4103
4104     case SB_THUMBPOSITION:
4105     case SB_THUMBTRACK:
4106 #ifdef __WIN32__
4107         // under Win32, the scrollbar range and position are 32 bit integers,
4108         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
4109         // explicitly query the scrollbar for the correct position (this must
4110         // be done only for these two SB_ events as they are the only one
4111         // carrying the scrollbar position)
4112         {
4113             SCROLLINFO scrollInfo;
4114             wxZeroMemory(scrollInfo);
4115             scrollInfo.cbSize = sizeof(SCROLLINFO);
4116             scrollInfo.fMask = SIF_TRACKPOS;
4117
4118             if ( !::GetScrollInfo(GetHwnd(),
4119                                   orientation == wxHORIZONTAL ? SB_HORZ
4120                                                               : SB_VERT,
4121                                   &scrollInfo) )
4122             {
4123                 wxLogLastError(_T("GetScrollInfo"));
4124             }
4125
4126             event.SetPosition(scrollInfo.nTrackPos);
4127         }
4128 #endif // Win32
4129
4130         event.m_eventType = wParam == SB_THUMBPOSITION
4131                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
4132                                 : wxEVT_SCROLLWIN_THUMBTRACK;
4133         break;
4134
4135     default:
4136         return FALSE;
4137     }
4138
4139     return GetEventHandler()->ProcessEvent(event);
4140 }
4141
4142 // ===========================================================================
4143 // global functions
4144 // ===========================================================================
4145
4146 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
4147 {
4148     TEXTMETRIC tm;
4149     HDC dc = ::GetDC((HWND) wnd);
4150     HFONT fnt =0;
4151     HFONT was = 0;
4152     if ( the_font )
4153     {
4154         //    the_font->UseResource();
4155         //    the_font->RealizeResource();
4156         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4157         if ( fnt )
4158             was = (HFONT) SelectObject(dc,fnt);
4159     }
4160     GetTextMetrics(dc, &tm);
4161     if ( the_font && fnt && was )
4162     {
4163         SelectObject(dc,was);
4164     }
4165     ReleaseDC((HWND)wnd, dc);
4166
4167     if ( x )
4168         *x = tm.tmAveCharWidth;
4169     if ( y )
4170         *y = tm.tmHeight + tm.tmExternalLeading;
4171
4172     //  if ( the_font )
4173     //    the_font->ReleaseResource();
4174 }
4175
4176 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4177 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4178 int wxCharCodeMSWToWX(int keySym)
4179 {
4180     int id;
4181     switch (keySym)
4182     {
4183         case VK_CANCEL:     id = WXK_CANCEL; break;
4184         case VK_BACK:       id = WXK_BACK; break;
4185         case VK_TAB:        id = WXK_TAB; break;
4186         case VK_CLEAR:      id = WXK_CLEAR; break;
4187         case VK_RETURN:     id = WXK_RETURN; break;
4188         case VK_SHIFT:      id = WXK_SHIFT; break;
4189         case VK_CONTROL:    id = WXK_CONTROL; break;
4190         case VK_MENU :      id = WXK_MENU; break;
4191         case VK_PAUSE:      id = WXK_PAUSE; break;
4192         case VK_SPACE:      id = WXK_SPACE; break;
4193         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4194         case VK_PRIOR:      id = WXK_PRIOR; break;
4195         case VK_NEXT :      id = WXK_NEXT; break;
4196         case VK_END:        id = WXK_END; break;
4197         case VK_HOME :      id = WXK_HOME; break;
4198         case VK_LEFT :      id = WXK_LEFT; break;
4199         case VK_UP:         id = WXK_UP; break;
4200         case VK_RIGHT:      id = WXK_RIGHT; break;
4201         case VK_DOWN :      id = WXK_DOWN; break;
4202         case VK_SELECT:     id = WXK_SELECT; break;
4203         case VK_PRINT:      id = WXK_PRINT; break;
4204         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4205         case VK_INSERT:     id = WXK_INSERT; break;
4206         case VK_DELETE:     id = WXK_DELETE; break;
4207         case VK_HELP :      id = WXK_HELP; break;
4208         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4209         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4210         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4211         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4212         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4213         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4214         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4215         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4216         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4217         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4218         case VK_MULTIPLY:   id = WXK_NUMPAD_MULTIPLY; break;
4219         case VK_ADD:        id = WXK_NUMPAD_ADD; break;
4220         case VK_SUBTRACT:   id = WXK_NUMPAD_SUBTRACT; break;
4221         case VK_DECIMAL:    id = WXK_NUMPAD_DECIMAL; break;
4222         case VK_DIVIDE:     id = WXK_NUMPAD_DIVIDE; break;
4223         case VK_F1:         id = WXK_F1; break;
4224         case VK_F2:         id = WXK_F2; break;
4225         case VK_F3:         id = WXK_F3; break;
4226         case VK_F4:         id = WXK_F4; break;
4227         case VK_F5:         id = WXK_F5; break;
4228         case VK_F6:         id = WXK_F6; break;
4229         case VK_F7:         id = WXK_F7; break;
4230         case VK_F8:         id = WXK_F8; break;
4231         case VK_F9:         id = WXK_F9; break;
4232         case VK_F10:        id = WXK_F10; break;
4233         case VK_F11:        id = WXK_F11; break;
4234         case VK_F12:        id = WXK_F12; break;
4235         case VK_F13:        id = WXK_F13; break;
4236         case VK_F14:        id = WXK_F14; break;
4237         case VK_F15:        id = WXK_F15; break;
4238         case VK_F16:        id = WXK_F16; break;
4239         case VK_F17:        id = WXK_F17; break;
4240         case VK_F18:        id = WXK_F18; break;
4241         case VK_F19:        id = WXK_F19; break;
4242         case VK_F20:        id = WXK_F20; break;
4243         case VK_F21:        id = WXK_F21; break;
4244         case VK_F22:        id = WXK_F22; break;
4245         case VK_F23:        id = WXK_F23; break;
4246         case VK_F24:        id = WXK_F24; break;
4247         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4248         case VK_SCROLL:     id = WXK_SCROLL; break;
4249         default:
4250             id = 0;
4251     }
4252
4253     return id;
4254 }
4255
4256 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4257 {
4258     *isVirtual = TRUE;
4259     int keySym = 0;
4260     switch (id)
4261     {
4262     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4263     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4264     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4265     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4266     case WXK_MENU :     keySym = VK_MENU; break;
4267     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4268     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4269     case WXK_NEXT :     keySym = VK_NEXT; break;
4270     case WXK_END:       keySym = VK_END; break;
4271     case WXK_HOME :     keySym = VK_HOME; break;
4272     case WXK_LEFT :     keySym = VK_LEFT; break;
4273     case WXK_UP:        keySym = VK_UP; break;
4274     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4275     case WXK_DOWN :     keySym = VK_DOWN; break;
4276     case WXK_SELECT:    keySym = VK_SELECT; break;
4277     case WXK_PRINT:     keySym = VK_PRINT; break;
4278     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4279     case WXK_INSERT:    keySym = VK_INSERT; break;
4280     case WXK_DELETE:    keySym = VK_DELETE; break;
4281     case WXK_HELP :     keySym = VK_HELP; break;
4282     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4283     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4284     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4285     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4286     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4287     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4288     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4289     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4290     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4291     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4292     case WXK_NUMPAD_MULTIPLY:  keySym = VK_MULTIPLY; break;
4293     case WXK_NUMPAD_ADD:       keySym = VK_ADD; break;
4294     case WXK_NUMPAD_SUBTRACT:  keySym = VK_SUBTRACT; break;
4295     case WXK_NUMPAD_DECIMAL:   keySym = VK_DECIMAL; break;
4296     case WXK_NUMPAD_DIVIDE:    keySym = VK_DIVIDE; break;
4297     case WXK_F1:        keySym = VK_F1; break;
4298     case WXK_F2:        keySym = VK_F2; break;
4299     case WXK_F3:        keySym = VK_F3; break;
4300     case WXK_F4:        keySym = VK_F4; break;
4301     case WXK_F5:        keySym = VK_F5; break;
4302     case WXK_F6:        keySym = VK_F6; break;
4303     case WXK_F7:        keySym = VK_F7; break;
4304     case WXK_F8:        keySym = VK_F8; break;
4305     case WXK_F9:        keySym = VK_F9; break;
4306     case WXK_F10:       keySym = VK_F10; break;
4307     case WXK_F11:       keySym = VK_F11; break;
4308     case WXK_F12:       keySym = VK_F12; break;
4309     case WXK_F13:       keySym = VK_F13; break;
4310     case WXK_F14:       keySym = VK_F14; break;
4311     case WXK_F15:       keySym = VK_F15; break;
4312     case WXK_F16:       keySym = VK_F16; break;
4313     case WXK_F17:       keySym = VK_F17; break;
4314     case WXK_F18:       keySym = VK_F18; break;
4315     case WXK_F19:       keySym = VK_F19; break;
4316     case WXK_F20:       keySym = VK_F20; break;
4317     case WXK_F21:       keySym = VK_F21; break;
4318     case WXK_F22:       keySym = VK_F22; break;
4319     case WXK_F23:       keySym = VK_F23; break;
4320     case WXK_F24:       keySym = VK_F24; break;
4321     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4322     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4323     default:
4324         {
4325             *isVirtual = FALSE;
4326             keySym = id;
4327             break;
4328         }
4329     }
4330     return keySym;
4331 }
4332
4333 wxWindow *wxGetActiveWindow()
4334 {
4335     HWND hWnd = GetActiveWindow();
4336     if ( hWnd != 0 )
4337     {
4338         return wxFindWinFromHandle((WXHWND) hWnd);
4339     }
4340     return NULL;
4341 }
4342
4343 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4344 {
4345     HWND hwnd = (HWND)hWnd;
4346
4347     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4348     // by code in msw/radiobox.cpp), for all the others we just search up the
4349     // window hierarchy
4350     wxWindow *win = (wxWindow *)NULL;
4351     if ( hwnd )
4352     {
4353         win = wxFindWinFromHandle((WXHWND)hwnd);
4354         if ( !win )
4355         {
4356             // all these hacks only work under Win32 anyhow
4357 #ifdef __WIN32__
4358
4359 #if wxUSE_RADIOBOX
4360             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4361             // wxWindow class which overrides WM_GETDLGCODE processing to
4362             // do it as well, win would be already non NULL
4363             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4364             {
4365                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4366             }
4367             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4368 #endif // wxUSE_RADIOBOX
4369
4370             // spin control text buddy window should be mapped to spin ctrl
4371             // itself so try it too
4372 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4373             if ( !win )
4374             {
4375                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4376             }
4377 #endif // wxUSE_SPINCTRL
4378
4379 #endif // Win32
4380         }
4381     }
4382
4383     while ( hwnd && !win )
4384     {
4385         // this is a really ugly hack needed to avoid mistakenly returning the
4386         // parent frame wxWindow for the find/replace modeless dialog HWND -
4387         // this, in turn, is needed to call IsDialogMessage() from
4388         // wxApp::ProcessMessage() as for this we must return NULL from here
4389         //
4390         // FIXME: this is clearly not the best way to do it but I think we'll
4391         //        need to change HWND <-> wxWindow code more heavily than I can
4392         //        do it now to fix it
4393         if ( ::GetWindow(hwnd, GW_OWNER) )
4394         {
4395             // it's a dialog box, don't go upwards
4396             break;
4397         }
4398
4399         hwnd = ::GetParent(hwnd);
4400         win = wxFindWinFromHandle((WXHWND)hwnd);
4401     }
4402
4403     return win;
4404 }
4405
4406 #ifndef __WXMICROWIN__
4407
4408 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4409 // in active frames and dialogs, regardless of where the focus is.
4410 static HHOOK wxTheKeyboardHook = 0;
4411 static FARPROC wxTheKeyboardHookProc = 0;
4412 int APIENTRY _EXPORT
4413 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4414
4415 void wxSetKeyboardHook(bool doIt)
4416 {
4417     if ( doIt )
4418     {
4419         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4420         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4421
4422 #if defined(__WIN32__) && !defined(__TWIN32__)
4423             GetCurrentThreadId()
4424         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4425 #else
4426             GetCurrentTask()
4427 #endif
4428             );
4429     }
4430     else
4431     {
4432         UnhookWindowsHookEx(wxTheKeyboardHook);
4433
4434         // avoids warning about statement with no effect (FreeProcInstance
4435         // doesn't do anything under Win32)
4436 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4437         FreeProcInstance(wxTheKeyboardHookProc);
4438 #endif
4439     }
4440 }
4441
4442 int APIENTRY _EXPORT
4443 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4444 {
4445     DWORD hiWord = HIWORD(lParam);
4446     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4447     {
4448         int id = wxCharCodeMSWToWX(wParam);
4449         if ( id != 0 )
4450         {
4451             wxKeyEvent event(wxEVT_CHAR_HOOK);
4452             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4453                 event.m_altDown = TRUE;
4454
4455             event.m_eventObject = NULL;
4456             event.m_keyCode = id;
4457             event.m_shiftDown = wxIsShiftDown();
4458             event.m_controlDown = wxIsCtrlDown();
4459             event.SetTimestamp(s_currentMsg.time);
4460
4461             wxWindow *win = wxGetActiveWindow();
4462             wxEvtHandler *handler;
4463             if ( win )
4464             {
4465                 handler = win->GetEventHandler();
4466                 event.SetId(win->GetId());
4467             }
4468             else
4469             {
4470                 handler = wxTheApp;
4471                 event.SetId(-1);
4472             }
4473
4474             if ( handler && handler->ProcessEvent(event) )
4475             {
4476                 // processed
4477                 return 1;
4478             }
4479         }
4480     }
4481
4482     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4483 }
4484
4485 #endif // !__WXMICROWIN__
4486
4487 #ifdef __WXDEBUG__
4488 const char *wxGetMessageName(int message)
4489 {
4490     switch ( message )
4491     {
4492         case 0x0000: return "WM_NULL";
4493         case 0x0001: return "WM_CREATE";
4494         case 0x0002: return "WM_DESTROY";
4495         case 0x0003: return "WM_MOVE";
4496         case 0x0005: return "WM_SIZE";
4497         case 0x0006: return "WM_ACTIVATE";
4498         case 0x0007: return "WM_SETFOCUS";
4499         case 0x0008: return "WM_KILLFOCUS";
4500         case 0x000A: return "WM_ENABLE";
4501         case 0x000B: return "WM_SETREDRAW";
4502         case 0x000C: return "WM_SETTEXT";
4503         case 0x000D: return "WM_GETTEXT";
4504         case 0x000E: return "WM_GETTEXTLENGTH";
4505         case 0x000F: return "WM_PAINT";
4506         case 0x0010: return "WM_CLOSE";
4507         case 0x0011: return "WM_QUERYENDSESSION";
4508         case 0x0012: return "WM_QUIT";
4509         case 0x0013: return "WM_QUERYOPEN";
4510         case 0x0014: return "WM_ERASEBKGND";
4511         case 0x0015: return "WM_SYSCOLORCHANGE";
4512         case 0x0016: return "WM_ENDSESSION";
4513         case 0x0017: return "WM_SYSTEMERROR";
4514         case 0x0018: return "WM_SHOWWINDOW";
4515         case 0x0019: return "WM_CTLCOLOR";
4516         case 0x001A: return "WM_WININICHANGE";
4517         case 0x001B: return "WM_DEVMODECHANGE";
4518         case 0x001C: return "WM_ACTIVATEAPP";
4519         case 0x001D: return "WM_FONTCHANGE";
4520         case 0x001E: return "WM_TIMECHANGE";
4521         case 0x001F: return "WM_CANCELMODE";
4522         case 0x0020: return "WM_SETCURSOR";
4523         case 0x0021: return "WM_MOUSEACTIVATE";
4524         case 0x0022: return "WM_CHILDACTIVATE";
4525         case 0x0023: return "WM_QUEUESYNC";
4526         case 0x0024: return "WM_GETMINMAXINFO";
4527         case 0x0026: return "WM_PAINTICON";
4528         case 0x0027: return "WM_ICONERASEBKGND";
4529         case 0x0028: return "WM_NEXTDLGCTL";
4530         case 0x002A: return "WM_SPOOLERSTATUS";
4531         case 0x002B: return "WM_DRAWITEM";
4532         case 0x002C: return "WM_MEASUREITEM";
4533         case 0x002D: return "WM_DELETEITEM";
4534         case 0x002E: return "WM_VKEYTOITEM";
4535         case 0x002F: return "WM_CHARTOITEM";
4536         case 0x0030: return "WM_SETFONT";
4537         case 0x0031: return "WM_GETFONT";
4538         case 0x0037: return "WM_QUERYDRAGICON";
4539         case 0x0039: return "WM_COMPAREITEM";
4540         case 0x0041: return "WM_COMPACTING";
4541         case 0x0044: return "WM_COMMNOTIFY";
4542         case 0x0046: return "WM_WINDOWPOSCHANGING";
4543         case 0x0047: return "WM_WINDOWPOSCHANGED";
4544         case 0x0048: return "WM_POWER";
4545
4546 #ifdef  __WIN32__
4547         case 0x004A: return "WM_COPYDATA";
4548         case 0x004B: return "WM_CANCELJOURNAL";
4549         case 0x004E: return "WM_NOTIFY";
4550         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4551         case 0x0051: return "WM_INPUTLANGCHANGE";
4552         case 0x0052: return "WM_TCARD";
4553         case 0x0053: return "WM_HELP";
4554         case 0x0054: return "WM_USERCHANGED";
4555         case 0x0055: return "WM_NOTIFYFORMAT";
4556         case 0x007B: return "WM_CONTEXTMENU";
4557         case 0x007C: return "WM_STYLECHANGING";
4558         case 0x007D: return "WM_STYLECHANGED";
4559         case 0x007E: return "WM_DISPLAYCHANGE";
4560         case 0x007F: return "WM_GETICON";
4561         case 0x0080: return "WM_SETICON";
4562 #endif  //WIN32
4563
4564         case 0x0081: return "WM_NCCREATE";
4565         case 0x0082: return "WM_NCDESTROY";
4566         case 0x0083: return "WM_NCCALCSIZE";
4567         case 0x0084: return "WM_NCHITTEST";
4568         case 0x0085: return "WM_NCPAINT";
4569         case 0x0086: return "WM_NCACTIVATE";
4570         case 0x0087: return "WM_GETDLGCODE";
4571         case 0x00A0: return "WM_NCMOUSEMOVE";
4572         case 0x00A1: return "WM_NCLBUTTONDOWN";
4573         case 0x00A2: return "WM_NCLBUTTONUP";
4574         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4575         case 0x00A4: return "WM_NCRBUTTONDOWN";
4576         case 0x00A5: return "WM_NCRBUTTONUP";
4577         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4578         case 0x00A7: return "WM_NCMBUTTONDOWN";
4579         case 0x00A8: return "WM_NCMBUTTONUP";
4580         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4581         case 0x0100: return "WM_KEYDOWN";
4582         case 0x0101: return "WM_KEYUP";
4583         case 0x0102: return "WM_CHAR";
4584         case 0x0103: return "WM_DEADCHAR";
4585         case 0x0104: return "WM_SYSKEYDOWN";
4586         case 0x0105: return "WM_SYSKEYUP";
4587         case 0x0106: return "WM_SYSCHAR";
4588         case 0x0107: return "WM_SYSDEADCHAR";
4589         case 0x0108: return "WM_KEYLAST";
4590
4591 #ifdef  __WIN32__
4592         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4593         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4594         case 0x010F: return "WM_IME_COMPOSITION";
4595 #endif  //WIN32
4596
4597         case 0x0110: return "WM_INITDIALOG";
4598         case 0x0111: return "WM_COMMAND";
4599         case 0x0112: return "WM_SYSCOMMAND";
4600         case 0x0113: return "WM_TIMER";
4601         case 0x0114: return "WM_HSCROLL";
4602         case 0x0115: return "WM_VSCROLL";
4603         case 0x0116: return "WM_INITMENU";
4604         case 0x0117: return "WM_INITMENUPOPUP";
4605         case 0x011F: return "WM_MENUSELECT";
4606         case 0x0120: return "WM_MENUCHAR";
4607         case 0x0121: return "WM_ENTERIDLE";
4608         case 0x0200: return "WM_MOUSEMOVE";
4609         case 0x0201: return "WM_LBUTTONDOWN";
4610         case 0x0202: return "WM_LBUTTONUP";
4611         case 0x0203: return "WM_LBUTTONDBLCLK";
4612         case 0x0204: return "WM_RBUTTONDOWN";
4613         case 0x0205: return "WM_RBUTTONUP";
4614         case 0x0206: return "WM_RBUTTONDBLCLK";
4615         case 0x0207: return "WM_MBUTTONDOWN";
4616         case 0x0208: return "WM_MBUTTONUP";
4617         case 0x0209: return "WM_MBUTTONDBLCLK";
4618         case 0x020A: return "WM_MOUSEWHEEL";
4619         case 0x0210: return "WM_PARENTNOTIFY";
4620         case 0x0211: return "WM_ENTERMENULOOP";
4621         case 0x0212: return "WM_EXITMENULOOP";
4622
4623 #ifdef  __WIN32__
4624         case 0x0213: return "WM_NEXTMENU";
4625         case 0x0214: return "WM_SIZING";
4626         case 0x0215: return "WM_CAPTURECHANGED";
4627         case 0x0216: return "WM_MOVING";
4628         case 0x0218: return "WM_POWERBROADCAST";
4629         case 0x0219: return "WM_DEVICECHANGE";
4630 #endif  //WIN32
4631
4632         case 0x0220: return "WM_MDICREATE";
4633         case 0x0221: return "WM_MDIDESTROY";
4634         case 0x0222: return "WM_MDIACTIVATE";
4635         case 0x0223: return "WM_MDIRESTORE";
4636         case 0x0224: return "WM_MDINEXT";
4637         case 0x0225: return "WM_MDIMAXIMIZE";
4638         case 0x0226: return "WM_MDITILE";
4639         case 0x0227: return "WM_MDICASCADE";
4640         case 0x0228: return "WM_MDIICONARRANGE";
4641         case 0x0229: return "WM_MDIGETACTIVE";
4642         case 0x0230: return "WM_MDISETMENU";
4643         case 0x0233: return "WM_DROPFILES";
4644
4645 #ifdef  __WIN32__
4646         case 0x0281: return "WM_IME_SETCONTEXT";
4647         case 0x0282: return "WM_IME_NOTIFY";
4648         case 0x0283: return "WM_IME_CONTROL";
4649         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4650         case 0x0285: return "WM_IME_SELECT";
4651         case 0x0286: return "WM_IME_CHAR";
4652         case 0x0290: return "WM_IME_KEYDOWN";
4653         case 0x0291: return "WM_IME_KEYUP";
4654 #endif  //WIN32
4655
4656         case 0x0300: return "WM_CUT";
4657         case 0x0301: return "WM_COPY";
4658         case 0x0302: return "WM_PASTE";
4659         case 0x0303: return "WM_CLEAR";
4660         case 0x0304: return "WM_UNDO";
4661         case 0x0305: return "WM_RENDERFORMAT";
4662         case 0x0306: return "WM_RENDERALLFORMATS";
4663         case 0x0307: return "WM_DESTROYCLIPBOARD";
4664         case 0x0308: return "WM_DRAWCLIPBOARD";
4665         case 0x0309: return "WM_PAINTCLIPBOARD";
4666         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4667         case 0x030B: return "WM_SIZECLIPBOARD";
4668         case 0x030C: return "WM_ASKCBFORMATNAME";
4669         case 0x030D: return "WM_CHANGECBCHAIN";
4670         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4671         case 0x030F: return "WM_QUERYNEWPALETTE";
4672         case 0x0310: return "WM_PALETTEISCHANGING";
4673         case 0x0311: return "WM_PALETTECHANGED";
4674
4675 #ifdef __WIN32__
4676         // common controls messages - although they're not strictly speaking
4677         // standard, it's nice to decode them nevertheless
4678
4679         // listview
4680         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4681         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4682         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4683         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4684         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4685         case 0x1000 + 5: return "LVM_GETITEMA";
4686         case 0x1000 + 75: return "LVM_GETITEMW";
4687         case 0x1000 + 6: return "LVM_SETITEMA";
4688         case 0x1000 + 76: return "LVM_SETITEMW";
4689         case 0x1000 + 7: return "LVM_INSERTITEMA";
4690         case 0x1000 + 77: return "LVM_INSERTITEMW";
4691         case 0x1000 + 8: return "LVM_DELETEITEM";
4692         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4693         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4694         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4695         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4696         case 0x1000 + 13: return "LVM_FINDITEMA";
4697         case 0x1000 + 83: return "LVM_FINDITEMW";
4698         case 0x1000 + 14: return "LVM_GETITEMRECT";
4699         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4700         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4701         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4702         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4703         case 0x1000 + 18: return "LVM_HITTEST";
4704         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4705         case 0x1000 + 20: return "LVM_SCROLL";
4706         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4707         case 0x1000 + 22: return "LVM_ARRANGE";
4708         case 0x1000 + 23: return "LVM_EDITLABELA";
4709         case 0x1000 + 118: return "LVM_EDITLABELW";
4710         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4711         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4712         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4713         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4714         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4715         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4716         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4717         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4718         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4719         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4720         case 0x1000 + 31: return "LVM_GETHEADER";
4721         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4722         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4723         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4724         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4725         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4726         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4727         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4728         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4729         case 0x1000 + 41: return "LVM_GETORIGIN";
4730         case 0x1000 + 42: return "LVM_UPDATE";
4731         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4732         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4733         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4734         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4735         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4736         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4737         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4738         case 0x1000 + 48: return "LVM_SORTITEMS";
4739         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4740         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4741         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4742         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4743         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4744         case 0x1000 + 53: return "LVM_SETICONSPACING";
4745         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4746         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4747         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4748         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4749         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4750         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4751         case 0x1000 + 60: return "LVM_SETHOTITEM";
4752         case 0x1000 + 61: return "LVM_GETHOTITEM";
4753         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4754         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4755         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4756         case 0x1000 + 65: return "LVM_SETWORKAREA";
4757
4758         // tree view
4759         case 0x1100 + 0: return "TVM_INSERTITEMA";
4760         case 0x1100 + 50: return "TVM_INSERTITEMW";
4761         case 0x1100 + 1: return "TVM_DELETEITEM";
4762         case 0x1100 + 2: return "TVM_EXPAND";
4763         case 0x1100 + 4: return "TVM_GETITEMRECT";
4764         case 0x1100 + 5: return "TVM_GETCOUNT";
4765         case 0x1100 + 6: return "TVM_GETINDENT";
4766         case 0x1100 + 7: return "TVM_SETINDENT";
4767         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4768         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4769         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4770         case 0x1100 + 11: return "TVM_SELECTITEM";
4771         case 0x1100 + 12: return "TVM_GETITEMA";
4772         case 0x1100 + 62: return "TVM_GETITEMW";
4773         case 0x1100 + 13: return "TVM_SETITEMA";
4774         case 0x1100 + 63: return "TVM_SETITEMW";
4775         case 0x1100 + 14: return "TVM_EDITLABELA";
4776         case 0x1100 + 65: return "TVM_EDITLABELW";
4777         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4778         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4779         case 0x1100 + 17: return "TVM_HITTEST";
4780         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4781         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4782         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4783         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4784         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4785         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4786         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4787         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4788         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4789
4790         // header
4791         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4792         case 0x1200 + 1: return "HDM_INSERTITEMA";
4793         case 0x1200 + 10: return "HDM_INSERTITEMW";
4794         case 0x1200 + 2: return "HDM_DELETEITEM";
4795         case 0x1200 + 3: return "HDM_GETITEMA";
4796         case 0x1200 + 11: return "HDM_GETITEMW";
4797         case 0x1200 + 4: return "HDM_SETITEMA";
4798         case 0x1200 + 12: return "HDM_SETITEMW";
4799         case 0x1200 + 5: return "HDM_LAYOUT";
4800         case 0x1200 + 6: return "HDM_HITTEST";
4801         case 0x1200 + 7: return "HDM_GETITEMRECT";
4802         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4803         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4804         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4805         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4806         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4807         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4808         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4809
4810         // tab control
4811         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4812         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4813         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4814         case 0x1300 + 5: return "TCM_GETITEMA";
4815         case 0x1300 + 60: return "TCM_GETITEMW";
4816         case 0x1300 + 6: return "TCM_SETITEMA";
4817         case 0x1300 + 61: return "TCM_SETITEMW";
4818         case 0x1300 + 7: return "TCM_INSERTITEMA";
4819         case 0x1300 + 62: return "TCM_INSERTITEMW";
4820         case 0x1300 + 8: return "TCM_DELETEITEM";
4821         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4822         case 0x1300 + 10: return "TCM_GETITEMRECT";
4823         case 0x1300 + 11: return "TCM_GETCURSEL";
4824         case 0x1300 + 12: return "TCM_SETCURSEL";
4825         case 0x1300 + 13: return "TCM_HITTEST";
4826         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4827         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4828         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4829         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4830         case 0x1300 + 43: return "TCM_SETPADDING";
4831         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4832         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4833         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4834         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4835         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4836         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4837         case 0x1300 + 50: return "TCM_DESELECTALL";
4838
4839         // toolbar
4840         case WM_USER+1: return "TB_ENABLEBUTTON";
4841         case WM_USER+2: return "TB_CHECKBUTTON";
4842         case WM_USER+3: return "TB_PRESSBUTTON";
4843         case WM_USER+4: return "TB_HIDEBUTTON";
4844         case WM_USER+5: return "TB_INDETERMINATE";
4845         case WM_USER+9: return "TB_ISBUTTONENABLED";
4846         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4847         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4848         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4849         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4850         case WM_USER+17: return "TB_SETSTATE";
4851         case WM_USER+18: return "TB_GETSTATE";
4852         case WM_USER+19: return "TB_ADDBITMAP";
4853         case WM_USER+20: return "TB_ADDBUTTONS";
4854         case WM_USER+21: return "TB_INSERTBUTTON";
4855         case WM_USER+22: return "TB_DELETEBUTTON";
4856         case WM_USER+23: return "TB_GETBUTTON";
4857         case WM_USER+24: return "TB_BUTTONCOUNT";
4858         case WM_USER+25: return "TB_COMMANDTOINDEX";
4859         case WM_USER+26: return "TB_SAVERESTOREA";
4860         case WM_USER+76: return "TB_SAVERESTOREW";
4861         case WM_USER+27: return "TB_CUSTOMIZE";
4862         case WM_USER+28: return "TB_ADDSTRINGA";
4863         case WM_USER+77: return "TB_ADDSTRINGW";
4864         case WM_USER+29: return "TB_GETITEMRECT";
4865         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4866         case WM_USER+31: return "TB_SETBUTTONSIZE";
4867         case WM_USER+32: return "TB_SETBITMAPSIZE";
4868         case WM_USER+33: return "TB_AUTOSIZE";
4869         case WM_USER+35: return "TB_GETTOOLTIPS";
4870         case WM_USER+36: return "TB_SETTOOLTIPS";
4871         case WM_USER+37: return "TB_SETPARENT";
4872         case WM_USER+39: return "TB_SETROWS";
4873         case WM_USER+40: return "TB_GETROWS";
4874         case WM_USER+42: return "TB_SETCMDID";
4875         case WM_USER+43: return "TB_CHANGEBITMAP";
4876         case WM_USER+44: return "TB_GETBITMAP";
4877         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4878         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4879         case WM_USER+46: return "TB_REPLACEBITMAP";
4880         case WM_USER+47: return "TB_SETINDENT";
4881         case WM_USER+48: return "TB_SETIMAGELIST";
4882         case WM_USER+49: return "TB_GETIMAGELIST";
4883         case WM_USER+50: return "TB_LOADIMAGES";
4884         case WM_USER+51: return "TB_GETRECT";
4885         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4886         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4887         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4888         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4889         case WM_USER+56: return "TB_SETSTYLE";
4890         case WM_USER+57: return "TB_GETSTYLE";
4891         case WM_USER+58: return "TB_GETBUTTONSIZE";
4892         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4893         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4894         case WM_USER+61: return "TB_GETTEXTROWS";
4895         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4896
4897 #endif //WIN32
4898
4899         default:
4900             static char s_szBuf[128];
4901             sprintf(s_szBuf, "<unknown message = %d>", message);
4902             return s_szBuf;
4903     }
4904 }
4905 #endif //__WXDEBUG__
4906
4907 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4908                                      int *x, int *y, WPARAM *flags)
4909 {
4910     // construct the key mask
4911     WPARAM& fwKeys = *flags;
4912
4913     fwKeys = MK_RBUTTON;
4914     if ( wxIsCtrlDown() )
4915         fwKeys |= MK_CONTROL;
4916     if ( wxIsShiftDown() )
4917         fwKeys |= MK_SHIFT;
4918
4919     // simulate right mouse button click
4920     DWORD dwPos = ::GetMessagePos();
4921     *x = GET_X_LPARAM(dwPos);
4922     *y = GET_Y_LPARAM(dwPos);
4923
4924     win->ScreenToClient(x, y);
4925 }
4926
4927 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4928 {
4929     // prepare the DC
4930     TEXTMETRIC tm;
4931     HWND hwnd = GetHwndOf(win);
4932     HDC hdc = ::GetDC(hwnd);
4933
4934 #if !wxDIALOG_UNIT_COMPATIBILITY
4935     // and select the current font into it
4936     HFONT hfont = GetHfontOf(win->GetFont());
4937     if ( hfont )
4938     {
4939         hfont = (HFONT)::SelectObject(hdc, hfont);
4940     }
4941 #endif
4942
4943     // finally retrieve the text metrics from it
4944     GetTextMetrics(hdc, &tm);
4945
4946 #if !wxDIALOG_UNIT_COMPATIBILITY
4947     // and clean up
4948     if ( hfont )
4949     {
4950         (void)::SelectObject(hdc, hfont);
4951     }
4952 #endif
4953
4954     ::ReleaseDC(hwnd, hdc);
4955
4956     return tm;
4957 }
4958
4959 // Find the wxWindow at the current mouse position, returning the mouse
4960 // position.
4961 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4962 {
4963     return wxFindWindowAtPoint(wxGetMousePosition());
4964 }
4965
4966 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4967 {
4968     POINT pt2;
4969     pt2.x = pt.x;
4970     pt2.y = pt.y;
4971     HWND hWndHit = ::WindowFromPoint(pt2);
4972
4973     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4974     HWND hWnd = hWndHit;
4975
4976     // Try to find a window with a wxWindow associated with it
4977     while (!win && (hWnd != 0))
4978     {
4979         hWnd = ::GetParent(hWnd);
4980         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4981     }
4982     return win;
4983 }
4984
4985 // Get the current mouse position.
4986 wxPoint wxGetMousePosition()
4987 {
4988     POINT pt;
4989     GetCursorPos( & pt );
4990     return wxPoint(pt.x, pt.y);
4991 }
4992