src/msw/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34     #include "wx/window.h"
  35     #include "wx/accel.h"
  36     #include "wx/setup.h"
  37     #include "wx/menu.h"
  38     #include "wx/dc.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/utils.h"
  41     #include "wx/app.h"
  42     #include "wx/panel.h"
  43     #include "wx/layout.h"
  44     #include "wx/dialog.h"
  45     #include "wx/frame.h"
  46     #include "wx/listbox.h"
  47     #include "wx/button.h"
  48     #include "wx/msgdlg.h"
  49     #include "wx/settings.h"
  50
  51     #include <stdio.h>
  52 #endif
  53
  54 #if wxUSE_OWNER_DRAWN
  55     #include "wx/ownerdrw.h"
  56 #endif
  57
  58 #if wxUSE_DRAG_AND_DROP
  59     #include "wx/dnd.h"
  60 #endif
  61
  62 #include "wx/menuitem.h"
  63 #include "wx/log.h"
  64
  65 #include "wx/msw/private.h"
  66
  67 #if wxUSE_TOOLTIPS
  68     #include "wx/tooltip.h"
  69 #endif
  70
  71 #if wxUSE_CARET
  72     #include "wx/caret.h"
  73 #endif // wxUSE_CARET
  74
  75 #if wxUSE_SPINCTRL
  76     #include "wx/spinctrl.h"
  77 #endif // wxUSE_SPINCTRL
  78
  79 #include "wx/intl.h"
  80 #include "wx/log.h"
  81
  82 #include "wx/textctrl.h"
  83 #include "wx/notebook.h"
  84
  85 #include <string.h>
  86
  87 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  88     #include <shellapi.h>
  89     #include <mmsystem.h>
  90 #endif
  91
  92 #ifdef __WIN32__
  93     #include <windowsx.h>
  94 #endif
  95
  96 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  97     #ifdef __WIN95__
  98         #include <commctrl.h>
  99     #endif
 100 #elif !defined(__WXMICROWIN__) // broken compiler
 101     #ifndef __TWIN32__
 102         #include "wx/msw/gnuwin32/extra.h"
 103     #endif
 104 #endif
 105
 106 // This didn't appear in mingw until 2.95.2
 107 #ifndef SIF_TRACKPOS
 108 #define SIF_TRACKPOS 16
 109 #endif
 110
 111 #if wxUSE_MOUSEWHEEL
 112     #ifndef WM_MOUSEWHEEL
 113         #define WM_MOUSEWHEEL           0x020A
 114     #endif
 115     #ifndef WHEEL_DELTA
 116         #define WHEEL_DELTA             120
 117     #endif
 118     #ifndef SPI_GETWHEELSCROLLLINES
 119         #define SPI_GETWHEELSCROLLLINES 104
 120     #endif
 121 #endif
 122
 123
 124 // ---------------------------------------------------------------------------
 125 // global variables
 126 // ---------------------------------------------------------------------------
 127
 128 // the last Windows message we got (MT-UNSAFE)
 129 extern MSG s_currentMsg;
 130
 131 #if wxUSE_MENUS_NATIVE
 132 wxMenu *wxCurrentPopupMenu = NULL;
 133 #endif // wxUSE_MENUS_NATIVE
 134
 135 extern wxList WXDLLEXPORT wxPendingDelete;
 136 extern const wxChar *wxCanvasClassName;
 137
 138 // ---------------------------------------------------------------------------
 139 // private functions
 140 // ---------------------------------------------------------------------------
 141
 142 // the window proc for all our windows
 143 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 144                                    WPARAM wParam, LPARAM lParam);
 145
 146 #ifdef  __WXDEBUG__
 147     const char *wxGetMessageName(int message);
 148 #endif  //__WXDEBUG__
 149
 150 void wxRemoveHandleAssociation(wxWindowMSW *win);
 151 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 152 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 153
 154 // this magical function is used to translate VK_APPS key presses to right
 155 // mouse clicks
 156 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 157                                      int *x, int *y, WPARAM *flags);
 158
 159 // get the text metrics for the current font
 160 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 161
 162 // check if the mouse is in the window or its child
 163 //static bool IsMouseInWindow(HWND hwnd);
 164
 165 // ---------------------------------------------------------------------------
 166 // event tables
 167 // ---------------------------------------------------------------------------
 168
 169 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 170 // method
 171 #ifdef __WXUNIVERSAL__
 172     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 173 #else // __WXMSW__
 174     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 175 #endif // __WXUNIVERSAL__/__WXMSW__
 176
 177 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 178     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 179     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 180     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 181     EVT_IDLE(wxWindowMSW::OnIdle)
 182     EVT_SET_FOCUS(wxWindowMSW::OnSetFocus)
 183 END_EVENT_TABLE()
 184
 185 // ===========================================================================
 186 // implementation
 187 // ===========================================================================
 188
 189 // ---------------------------------------------------------------------------
 190 // wxWindow utility functions
 191 // ---------------------------------------------------------------------------
 192
 193 // Find an item given the MS Windows id
 194 wxWindow *wxWindowMSW::FindItem(long id) const
 195 {
 196 #if wxUSE_CONTROLS
 197     wxControl *item = wxDynamicThisCast(this, wxControl);
 198     if ( item )
 199     {
 200         // is it we or one of our "internal" children?
 201         if ( item->GetId() == id
 202 #ifndef __WXUNIVERSAL__
 203                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 204 #endif // __WXUNIVERSAL__
 205            )
 206         {
 207             return item;
 208         }
 209     }
 210 #endif // wxUSE_CONTROLS
 211
 212     wxWindowList::Node *current = GetChildren().GetFirst();
 213     while (current)
 214     {
 215         wxWindow *childWin = current->GetData();
 216
 217         wxWindow *wnd = childWin->FindItem(id);
 218         if ( wnd )
 219             return wnd;
 220
 221         current = current->GetNext();
 222     }
 223
 224     return NULL;
 225 }
 226
 227 // Find an item given the MS Windows handle
 228 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 229 {
 230     wxWindowList::Node *current = GetChildren().GetFirst();
 231     while (current)
 232     {
 233         wxWindow *parent = current->GetData();
 234
 235         // Do a recursive search.
 236         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 237         if ( wnd )
 238             return wnd;
 239
 240         if ( !controlOnly
 241 #if wxUSE_CONTROLS
 242                 || parent->IsKindOf(CLASSINFO(wxControl))
 243 #endif // wxUSE_CONTROLS
 244            )
 245         {
 246             wxWindow *item = current->GetData();
 247             if ( item->GetHWND() == hWnd )
 248                 return item;
 249             else
 250             {
 251                 if ( item->ContainsHWND(hWnd) )
 252                     return item;
 253             }
 254         }
 255
 256         current = current->GetNext();
 257     }
 258     return NULL;
 259 }
 260
 261 // Default command handler
 262 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 263 {
 264     return FALSE;
 265 }
 266
 267 // ----------------------------------------------------------------------------
 268 // constructors and such
 269 // ----------------------------------------------------------------------------
 270
 271 void wxWindowMSW::Init()
 272 {
 273     // generic
 274     InitBase();
 275
 276     // MSW specific
 277     m_doubleClickAllowed = 0;
 278
 279     m_isBeingDeleted = FALSE;
 280     m_oldWndProc = 0;
 281     m_useCtl3D = FALSE;
 282     m_mouseInWindow = FALSE;
 283
 284     // wxWnd
 285     m_hMenu = 0;
 286
 287     m_hWnd = 0;
 288
 289     // pass WM_GETDLGCODE to DefWindowProc()
 290     m_lDlgCode = 0;
 291
 292     m_xThumbSize = 0;
 293     m_yThumbSize = 0;
 294     m_backgroundTransparent = FALSE;
 295
 296     // as all windows are created with WS_VISIBLE style...
 297     m_isShown = TRUE;
 298
 299 #if wxUSE_MOUSEEVENT_HACK
 300     m_lastMouseX =
 301     m_lastMouseY = -1;
 302     m_lastMouseEvent = -1;
 303 #endif // wxUSE_MOUSEEVENT_HACK
 304 }
 305
 306 // Destructor
 307 wxWindowMSW::~wxWindowMSW()
 308 {
 309     m_isBeingDeleted = TRUE;
 310
 311     MSWDetachWindowMenu();
 312
 313     // VS: make sure there's no wxFrame with last focus set to us:
 314     for (wxWindow *win = GetParent(); win; win = win->GetParent())
 315     {
 316         wxFrame *frame = wxDynamicCast(win, wxFrame);
 317         if ( frame )
 318         {
 319             if ( frame->GetLastFocus() == this )
 320                 frame->SetLastFocus((wxWindow*)NULL);
 321             break;
 322         }
 323     }
 324
 325     // VS: destroy children first and _then_ detach *this from its parent.
 326     //     If we'd do it the other way around, children wouldn't be able
 327     //     find their parent frame (see above).
 328     DestroyChildren();
 329
 330     if ( m_parent )
 331         m_parent->RemoveChild(this);
 332
 333     if ( m_hWnd )
 334     {
 335         // VZ: test temp removed to understand what really happens here
 336         //if (::IsWindow(GetHwnd()))
 337         {
 338             if ( !::DestroyWindow(GetHwnd()) )
 339                 wxLogLastError(wxT("DestroyWindow"));
 340         }
 341
 342         // remove hWnd <-> wxWindow association
 343         wxRemoveHandleAssociation(this);
 344     }
 345 }
 346
 347 // real construction (Init() must have been called before!)
 348 bool wxWindowMSW::Create(wxWindow *parent,
 349                          wxWindowID id,
 350                          const wxPoint& pos,
 351                          const wxSize& size,
 352                          long style,
 353                          const wxString& name)
 354 {
 355     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 356
 357     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 358         return FALSE;
 359
 360     parent->AddChild(this);
 361
 362     // all windows are created visible
 363     DWORD msflags = WS_CHILD | WS_VISIBLE;
 364
 365 #ifdef __WXUNIVERSAL__
 366     // no 3d effects, we draw them ourselves
 367     WXDWORD exStyle = 0;
 368 #else // !wxUniversal
 369     if ( style & wxCLIP_CHILDREN )
 370         msflags |= WS_CLIPCHILDREN;
 371     if ( style & wxCLIP_SIBLINGS )
 372         msflags |= WS_CLIPSIBLINGS;
 373
 374     bool want3D;
 375     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 376
 377     // Even with extended styles, need to combine with WS_BORDER
 378     // for them to look right.
 379     if ( want3D ||
 380         (m_windowStyle & (wxBORDER |
 381                           wxSIMPLE_BORDER |
 382                           wxRAISED_BORDER |
 383                           wxSUNKEN_BORDER |
 384                           wxDOUBLE_BORDER)) )
 385     {
 386         msflags |= WS_BORDER;
 387     }
 388
 389     // calculate the value to return from WM_GETDLGCODE handler
 390     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 391     {
 392         // want everything: i.e. all keys and WM_CHAR message
 393         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 394                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 395     }
 396 #endif // wxUniversal/!wxUniversal
 397
 398     if ( style & wxPOPUP_WINDOW )
 399     {
 400         // a popup window floats on top of everything
 401         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 402
 403         // it is also created hidden as other top level windows
 404         msflags &= ~WS_VISIBLE;
 405         m_isShown = FALSE;
 406     }
 407
 408     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 409                      (wxWindow *)this, NULL,
 410                      pos.x, pos.y,
 411                      WidthDefault(size.x), HeightDefault(size.y),
 412                      msflags, NULL, exStyle);
 413 }
 414
 415 // ---------------------------------------------------------------------------
 416 // basic operations
 417 // ---------------------------------------------------------------------------
 418
 419 void wxWindowMSW::SetFocus()
 420 {
 421     HWND hWnd = GetHwnd();
 422     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 423
 424 #ifndef __WXMICROWIN__
 425     ::SetLastError(0);
 426 #endif
 427
 428     if ( !::SetFocus(hWnd) )
 429     {
 430         // was there really an error?
 431 #ifndef __WXMICROWIN__
 432         DWORD dwRes = ::GetLastError();
 433 #else
 434
 435         DWORD dwRes = 0;
 436 #endif
 437         if ( dwRes )
 438         {
 439             wxLogApiError(_T("SetFocus"), dwRes);
 440         }
 441
 442         // VZ: just why does this happen sometimes?? any idea?
 443 #if 0
 444         HWND hwndFocus = ::GetFocus();
 445         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 446 #endif // 0
 447     }
 448 }
 449
 450 // Get the window with the focus
 451 wxWindow *wxWindowBase::FindFocus()
 452 {
 453     HWND hWnd = ::GetFocus();
 454     if ( hWnd )
 455     {
 456         return wxGetWindowFromHWND((WXHWND)hWnd);
 457     }
 458
 459     return NULL;
 460 }
 461
 462 bool wxWindowMSW::Enable(bool enable)
 463 {
 464     if ( !wxWindowBase::Enable(enable) )
 465         return FALSE;
 466
 467     HWND hWnd = GetHwnd();
 468     if ( hWnd )
 469         ::EnableWindow(hWnd, (BOOL)enable);
 470
 471     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 472     //     disabled controls and disable it - you really wouldn't like the
 473     //     disabled controls be reenabled too when you reenable the dialog!
 474 #if 0
 475     wxWindowList::Node *node = GetChildren().GetFirst();
 476     while ( node )
 477     {
 478         wxWindow *child = node->GetData();
 479         child->Enable(enable);
 480
 481         node = node->GetNext();
 482     }
 483 #endif // 0
 484
 485     return TRUE;
 486 }
 487
 488 bool wxWindowMSW::Show(bool show)
 489 {
 490     if ( !wxWindowBase::Show(show) )
 491         return FALSE;
 492
 493     HWND hWnd = GetHwnd();
 494     int cshow = show ? SW_SHOW : SW_HIDE;
 495     ::ShowWindow(hWnd, cshow);
 496
 497     if ( show )
 498     {
 499 #ifdef __WXMICROWIN__
 500         // It seems that MicroWindows brings the _parent_ of the
 501         // window to the top, which can be the wrong one.
 502
 503         /* activate (set focus to) specified window*/
 504         ::SetFocus(hWnd);
 505
 506         /* raise top level parent to top of z order*/
 507         ::SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0,
 508                 SWP_NOMOVE|SWP_NOSIZE);
 509 #else
 510         BringWindowToTop(hWnd);
 511 #endif
 512     }
 513
 514     return TRUE;
 515 }
 516
 517 // Raise the window to the top of the Z order
 518 void wxWindowMSW::Raise()
 519 {
 520 #ifdef __WIN16__
 521     ::BringWindowToTop(GetHwnd());
 522 #else // Win32
 523 #ifdef __WXMICROWIN__
 524         // It seems that MicroWindows brings the _parent_ of the
 525         // window to the top, which can be the wrong one.
 526
 527         /* activate (set focus to) specified window*/
 528         ::SetFocus(GetHwnd());
 529
 530         /* raise top level parent to top of z order*/
 531         ::SetWindowPos(GetHwnd(), HWND_TOP, 0, 0, 0, 0,
 532                 SWP_NOMOVE|SWP_NOSIZE);
 533 #else
 534     ::SetForegroundWindow(GetHwnd());
 535 #endif
 536 #endif
 537 }
 538
 539 // Lower the window to the bottom of the Z order
 540 void wxWindowMSW::Lower()
 541 {
 542     ::SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0,
 543                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 544 }
 545
 546 void wxWindowMSW::SetTitle( const wxString& title)
 547 {
 548     SetWindowText(GetHwnd(), title.c_str());
 549 }
 550
 551 wxString wxWindowMSW::GetTitle() const
 552 {
 553     return wxGetWindowText(GetHWND());
 554 }
 555
 556 void wxWindowMSW::CaptureMouse()
 557 {
 558     HWND hWnd = GetHwnd();
 559     if ( hWnd )
 560     {
 561         ::SetCapture(hWnd);
 562     }
 563 }
 564
 565 void wxWindowMSW::ReleaseMouse()
 566 {
 567     if ( !::ReleaseCapture() )
 568     {
 569         wxLogLastError(_T("ReleaseCapture"));
 570     }
 571 }
 572
 573 /* static */ wxWindow *wxWindowBase::GetCapture()
 574 {
 575     HWND hwnd = ::GetCapture();
 576     return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
 577 }
 578
 579 bool wxWindowMSW::SetFont(const wxFont& font)
 580 {
 581     if ( !wxWindowBase::SetFont(font) )
 582     {
 583         // nothing to do
 584         return FALSE;
 585     }
 586
 587     HWND hWnd = GetHwnd();
 588     if ( hWnd != 0 )
 589     {
 590         WXHANDLE hFont = m_font.GetResourceHandle();
 591
 592         wxASSERT_MSG( hFont, wxT("should have valid font") );
 593
 594         ::SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(TRUE, 0));
 595     }
 596
 597     return TRUE;
 598 }
 599 bool wxWindowMSW::SetCursor(const wxCursor& cursor)
 600 {
 601     if ( !wxWindowBase::SetCursor(cursor) )
 602     {
 603         // no change
 604         return FALSE;
 605     }
 606
 607     if ( m_cursor.Ok() )
 608     {
 609         HWND hWnd = GetHwnd();
 610
 611         // Change the cursor NOW if we're within the correct window
 612         POINT point;
 613         ::GetCursorPos(&point);
 614
 615         RECT rect;
 616         ::GetWindowRect(hWnd, &rect);
 617
 618         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 619             ::SetCursor(GetHcursorOf(m_cursor));
 620     }
 621
 622     return TRUE;
 623 }
 624
 625 void wxWindowMSW::WarpPointer (int x, int y)
 626 {
 627     ClientToScreen(&x, &y);
 628
 629     if ( !::SetCursorPos(x, y) )
 630     {
 631         wxLogLastError(_T("SetCursorPos"));
 632     }
 633 }
 634
 635 #if WXWIN_COMPATIBILITY
 636 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 637 {
 638 }
 639 #endif // WXWIN_COMPATIBILITY
 640
 641 // ---------------------------------------------------------------------------
 642 // scrolling stuff
 643 // ---------------------------------------------------------------------------
 644
 645 #if WXWIN_COMPATIBILITY
 646 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 647 {
 648 #if defined(__WIN95__)
 649
 650     int range1 = range;
 651
 652     // Try to adjust the range to cope with page size > 1
 653     // - a Windows API quirk
 654     int pageSize = GetScrollPage(orient);
 655     if ( pageSize > 1 && range > 0)
 656     {
 657         range1 += (pageSize - 1);
 658     }
 659
 660     SCROLLINFO info;
 661     int dir;
 662
 663     if ( orient == wxHORIZONTAL ) {
 664         dir = SB_HORZ;
 665     } else {
 666         dir = SB_VERT;
 667     }
 668
 669     info.cbSize = sizeof(SCROLLINFO);
 670     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 671     info.nMin = 0;
 672     info.nMax = range1;
 673     info.nPos = 0;
 674     info.fMask = SIF_RANGE | SIF_PAGE;
 675
 676     HWND hWnd = GetHwnd();
 677     if ( hWnd )
 678         ::SetScrollInfo(hWnd, dir, &info, refresh);
 679 #else
 680     int wOrient;
 681     if ( orient == wxHORIZONTAL )
 682         wOrient = SB_HORZ;
 683     else
 684         wOrient = SB_VERT;
 685
 686     HWND hWnd = GetHwnd();
 687     if ( hWnd )
 688         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 689 #endif
 690 }
 691
 692 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 693 {
 694 #if defined(__WIN95__)
 695     SCROLLINFO info;
 696     int dir;
 697
 698     if ( orient == wxHORIZONTAL ) {
 699         dir = SB_HORZ;
 700         m_xThumbSize = page;
 701     } else {
 702         dir = SB_VERT;
 703         m_yThumbSize = page;
 704     }
 705
 706     info.cbSize = sizeof(SCROLLINFO);
 707     info.nPage = page;
 708     info.nMin = 0;
 709     info.fMask = SIF_PAGE;
 710
 711     HWND hWnd = GetHwnd();
 712     if ( hWnd )
 713         ::SetScrollInfo(hWnd, dir, &info, refresh);
 714 #else
 715     if ( orient == wxHORIZONTAL )
 716         m_xThumbSize = page;
 717     else
 718         m_yThumbSize = page;
 719 #endif
 720 }
 721
 722 int wxWindowMSW::OldGetScrollRange(int orient) const
 723 {
 724     int wOrient;
 725     if ( orient == wxHORIZONTAL )
 726         wOrient = SB_HORZ;
 727     else
 728         wOrient = SB_VERT;
 729
 730 #if __WATCOMC__ && defined(__WINDOWS_386__)
 731     short minPos, maxPos;
 732 #else
 733     int minPos, maxPos;
 734 #endif
 735     HWND hWnd = GetHwnd();
 736     if ( hWnd )
 737     {
 738         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 739 #if defined(__WIN95__)
 740         // Try to adjust the range to cope with page size > 1
 741         // - a Windows API quirk
 742         int pageSize = GetScrollPage(orient);
 743         if ( pageSize > 1 )
 744         {
 745             maxPos -= (pageSize - 1);
 746         }
 747 #endif
 748         return maxPos;
 749     }
 750     else
 751         return 0;
 752 }
 753
 754 int wxWindowMSW::GetScrollPage(int orient) const
 755 {
 756     if ( orient == wxHORIZONTAL )
 757         return m_xThumbSize;
 758     else
 759         return m_yThumbSize;
 760 }
 761
 762 #endif // WXWIN_COMPATIBILITY
 763
 764 int wxWindowMSW::GetScrollPos(int orient) const
 765 {
 766     int wOrient;
 767     if ( orient == wxHORIZONTAL )
 768         wOrient = SB_HORZ;
 769     else
 770         wOrient = SB_VERT;
 771     HWND hWnd = GetHwnd();
 772     if ( hWnd )
 773     {
 774 #ifdef __WXMICROWIN__
 775         return ::GetScrollPosWX(hWnd, wOrient);
 776 #else
 777         return ::GetScrollPos(hWnd, wOrient);
 778 #endif
 779     }
 780     else
 781         return 0;
 782 }
 783
 784 // This now returns the whole range, not just the number
 785 // of positions that we can scroll.
 786 int wxWindowMSW::GetScrollRange(int orient) const
 787 {
 788     int wOrient;
 789     if ( orient == wxHORIZONTAL )
 790         wOrient = SB_HORZ;
 791     else
 792         wOrient = SB_VERT;
 793
 794 #if __WATCOMC__ && defined(__WINDOWS_386__)
 795     short minPos, maxPos;
 796 #else
 797     int minPos, maxPos;
 798 #endif
 799     HWND hWnd = GetHwnd();
 800     if ( hWnd )
 801     {
 802         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 803 #if defined(__WIN95__)
 804         // Try to adjust the range to cope with page size > 1
 805         // - a Windows API quirk
 806         int pageSize = GetScrollThumb(orient);
 807         if ( pageSize > 1 )
 808         {
 809             maxPos -= (pageSize - 1);
 810         }
 811         // October 10th: new range concept.
 812         maxPos += pageSize;
 813 #endif
 814
 815         return maxPos;
 816     }
 817     else
 818         return 0;
 819 }
 820
 821 int wxWindowMSW::GetScrollThumb(int orient) const
 822 {
 823     if ( orient == wxHORIZONTAL )
 824         return m_xThumbSize;
 825     else
 826         return m_yThumbSize;
 827 }
 828
 829 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 830 {
 831 #if defined(__WIN95__)
 832     SCROLLINFO info;
 833     int dir;
 834
 835     if ( orient == wxHORIZONTAL ) {
 836         dir = SB_HORZ;
 837     } else {
 838         dir = SB_VERT;
 839     }
 840
 841     info.cbSize = sizeof(SCROLLINFO);
 842     info.nPage = 0;
 843     info.nMin = 0;
 844     info.nPos = pos;
 845     info.fMask = SIF_POS;
 846
 847     HWND hWnd = GetHwnd();
 848     if ( hWnd )
 849         ::SetScrollInfo(hWnd, dir, &info, refresh);
 850 #else
 851     int wOrient;
 852     if ( orient == wxHORIZONTAL )
 853         wOrient = SB_HORZ;
 854     else
 855         wOrient = SB_VERT;
 856
 857     HWND hWnd = GetHwnd();
 858     if ( hWnd )
 859         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 860 #endif
 861 }
 862
 863 // New function that will replace some of the above.
 864 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 865                             int range, bool refresh)
 866 {
 867 #if defined(__WIN95__)
 868     int oldRange = range - thumbVisible;
 869
 870     int range1 = oldRange;
 871
 872     // Try to adjust the range to cope with page size > 1
 873     // - a Windows API quirk
 874     int pageSize = thumbVisible;
 875     if ( pageSize > 1 && range > 0)
 876     {
 877         range1 += (pageSize - 1);
 878     }
 879
 880     SCROLLINFO info;
 881     int dir;
 882
 883     if ( orient == wxHORIZONTAL ) {
 884         dir = SB_HORZ;
 885     } else {
 886         dir = SB_VERT;
 887     }
 888
 889     info.cbSize = sizeof(SCROLLINFO);
 890     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 891     info.nMin = 0;
 892     info.nMax = range1;
 893     info.nPos = pos;
 894     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 895
 896     HWND hWnd = GetHwnd();
 897     if ( hWnd )
 898         ::SetScrollInfo(hWnd, dir, &info, refresh);
 899 #else
 900     int wOrient;
 901     if ( orient == wxHORIZONTAL )
 902         wOrient = SB_HORZ;
 903     else
 904         wOrient = SB_VERT;
 905
 906     HWND hWnd = GetHwnd();
 907     if ( hWnd )
 908     {
 909         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 910         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 911     }
 912 #endif
 913     if ( orient == wxHORIZONTAL ) {
 914         m_xThumbSize = thumbVisible;
 915     } else {
 916         m_yThumbSize = thumbVisible;
 917     }
 918 }
 919
 920 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 921 {
 922     RECT rect;
 923     if ( prect )
 924     {
 925         rect.left = prect->x;
 926         rect.top = prect->y;
 927         rect.right = prect->x + prect->width;
 928         rect.bottom = prect->y + prect->height;
 929     }
 930
 931     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 932 }
 933
 934 // ---------------------------------------------------------------------------
 935 // subclassing
 936 // ---------------------------------------------------------------------------
 937
 938 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 939 {
 940     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 941
 942     HWND hwnd = (HWND)hWnd;
 943     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 944
 945     wxAssociateWinWithHandle(hwnd, this);
 946
 947     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 948
 949     wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc );
 950
 951     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 952 }
 953
 954 void wxWindowMSW::UnsubclassWin()
 955 {
 956     wxRemoveHandleAssociation(this);
 957
 958     // Restore old Window proc
 959     HWND hwnd = GetHwnd();
 960     if ( hwnd )
 961     {
 962         m_hWnd = 0;
 963
 964         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
 965
 966         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 967         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
 968         {
 969             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
 970             m_oldWndProc = 0;
 971         }
 972     }
 973 }
 974
 975 // Make a Windows extended style from the given wxWindows window style
 976 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
 977 {
 978     WXDWORD exStyle = 0;
 979     if ( style & wxTRANSPARENT_WINDOW )
 980         exStyle |= WS_EX_TRANSPARENT;
 981
 982     if ( !eliminateBorders )
 983     {
 984         if ( style & wxSUNKEN_BORDER )
 985             exStyle |= WS_EX_CLIENTEDGE;
 986         if ( style & wxDOUBLE_BORDER )
 987             exStyle |= WS_EX_DLGMODALFRAME;
 988 #if defined(__WIN95__)
 989         if ( style & wxRAISED_BORDER )
 990             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
 991             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
 992         if ( style & wxSTATIC_BORDER )
 993             exStyle |= WS_EX_STATICEDGE;
 994 #endif
 995     }
 996     return exStyle;
 997 }
 998
 999 // Determines whether native 3D effects or CTL3D should be used,
1000 // applying a default border style if required, and returning an extended
1001 // style to pass to CreateWindowEx.
1002 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
1003                                      bool *want3D) const
1004 {
1005     // If matches certain criteria, then assume no 3D effects
1006     // unless specifically requested (dealt with in MakeExtendedStyle)
1007     if ( !GetParent()
1008 #if wxUSE_CONTROLS
1009             || !IsKindOf(CLASSINFO(wxControl))
1010 #endif // wxUSE_CONTROLS
1011             || (m_windowStyle & wxNO_BORDER) )
1012     {
1013         *want3D = FALSE;
1014         return MakeExtendedStyle(m_windowStyle, FALSE);
1015     }
1016
1017     // Determine whether we should be using 3D effects or not.
1018     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
1019
1020     // 1) App can specify global 3D effects
1021     *want3D = wxTheApp->GetAuto3D();
1022
1023     // 2) If the parent is being drawn with user colours, or simple border specified,
1024     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
1025     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
1026         *want3D = FALSE;
1027
1028     // 3) Control can override this global setting by defining
1029     // a border style, e.g. wxSUNKEN_BORDER
1030     if ( m_windowStyle & wxSUNKEN_BORDER  )
1031         *want3D = TRUE;
1032
1033     // 4) If it's a special border, CTL3D can't cope so we want a native border
1034     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1035         (m_windowStyle & wxSTATIC_BORDER) )
1036     {
1037         *want3D = TRUE;
1038         nativeBorder = TRUE;
1039     }
1040
1041     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1042     // effects from extended style
1043 #if wxUSE_CTL3D
1044     if ( *want3D )
1045         nativeBorder = FALSE;
1046 #endif
1047
1048     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1049
1050     // If we want 3D, but haven't specified a border here,
1051     // apply the default border style specified.
1052     // TODO what about non-Win95 WIN32? Does it have borders?
1053 #if defined(__WIN95__) && !wxUSE_CTL3D
1054     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1055         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1056         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1057 #endif
1058
1059     return exStyle;
1060 }
1061
1062 #if WXWIN_COMPATIBILITY
1063 // If nothing defined for this, try the parent.
1064 // E.g. we may be a button loaded from a resource, with no callback function
1065 // defined.
1066 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1067 {
1068     if ( GetEventHandler()->ProcessEvent(event)  )
1069         return;
1070     if ( m_parent )
1071         m_parent->GetEventHandler()->OnCommand(win, event);
1072 }
1073 #endif // WXWIN_COMPATIBILITY_2
1074
1075 #if WXWIN_COMPATIBILITY
1076 wxObject* wxWindowMSW::GetChild(int number) const
1077 {
1078     // Return a pointer to the Nth object in the Panel
1079     wxNode *node = GetChildren().First();
1080     int n = number;
1081     while (node && n--)
1082         node = node->Next();
1083     if ( node )
1084     {
1085         wxObject *obj = (wxObject *)node->Data();
1086         return(obj);
1087     }
1088     else
1089         return NULL;
1090 }
1091 #endif // WXWIN_COMPATIBILITY
1092
1093 // Setup background and foreground colours correctly
1094 void wxWindowMSW::SetupColours()
1095 {
1096     if ( GetParent() )
1097         SetBackgroundColour(GetParent()->GetBackgroundColour());
1098 }
1099
1100 bool wxWindowMSW::IsMouseInWindow() const
1101 {
1102     // get the mouse position
1103     POINT pt;
1104     ::GetCursorPos(&pt);
1105
1106     // find the window which currently has the cursor and go up the window
1107     // chain until we find this window - or exhaust it
1108     HWND hwnd = ::WindowFromPoint(pt);
1109     while ( hwnd && (hwnd != GetHwnd()) )
1110         hwnd = ::GetParent(hwnd);
1111
1112     return hwnd != NULL;
1113 }
1114
1115 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1116 {
1117     // Check if we need to send a LEAVE event
1118     if ( m_mouseInWindow )
1119     {
1120         if ( !IsMouseInWindow() )
1121         {
1122             // Generate a LEAVE event
1123             m_mouseInWindow = FALSE;
1124
1125             // Unfortunately the mouse button and keyboard state may have
1126             // changed by the time the OnIdle function is called, so 'state'
1127             // may be meaningless.
1128             int state = 0;
1129             if ( wxIsShiftDown() )
1130                 state |= MK_SHIFT;
1131             if ( wxIsCtrlDown() )
1132                 state |= MK_CONTROL;
1133             if ( GetKeyState( VK_LBUTTON ) )
1134                 state |= MK_LBUTTON;
1135             if ( GetKeyState( VK_MBUTTON ) )
1136                 state |= MK_MBUTTON;
1137             if ( GetKeyState( VK_RBUTTON ) )
1138                 state |= MK_RBUTTON;
1139
1140             POINT pt;
1141             if ( !::GetCursorPos(&pt) )
1142             {
1143                 wxLogLastError(_T("GetCursorPos"));
1144             }
1145
1146             // we need to have client coordinates here for symmetry with
1147             // wxEVT_ENTER_WINDOW
1148             RECT rect;
1149             if ( !::GetWindowRect(GetHwnd(), &rect) )
1150             {
1151                 wxLogLastError(_T("GetWindowRect"));
1152             }
1153             pt.x -= rect.left;
1154             pt.y -= rect.top;
1155
1156             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1157             InitMouseEvent(event2, pt.x, pt.y, state);
1158
1159             (void)GetEventHandler()->ProcessEvent(event2);
1160         }
1161     }
1162
1163     UpdateWindowUI();
1164 }
1165
1166 // Set this window to be the child of 'parent'.
1167 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1168 {
1169     if ( !wxWindowBase::Reparent(parent) )
1170         return FALSE;
1171
1172     HWND hWndChild = GetHwnd();
1173     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1174
1175     ::SetParent(hWndChild, hWndParent);
1176
1177     return TRUE;
1178 }
1179
1180 void wxWindowMSW::Clear()
1181 {
1182     wxClientDC dc((wxWindow *)this);
1183     wxBrush brush(GetBackgroundColour(), wxSOLID);
1184     dc.SetBackground(brush);
1185     dc.Clear();
1186 }
1187
1188 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1189 {
1190     HWND hWnd = GetHwnd();
1191     if ( hWnd )
1192     {
1193         if ( rect )
1194         {
1195             RECT mswRect;
1196             mswRect.left = rect->x;
1197             mswRect.top = rect->y;
1198             mswRect.right = rect->x + rect->width;
1199             mswRect.bottom = rect->y + rect->height;
1200
1201             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1202         }
1203         else
1204             ::InvalidateRect(hWnd, NULL, eraseBack);
1205     }
1206 }
1207
1208 void wxWindowMSW::Update()
1209 {
1210     if ( !::UpdateWindow(GetHwnd()) )
1211     {
1212         wxLogLastError(_T("UpdateWindow"));
1213     }
1214
1215 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1216     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1217     // handler needs to be really drawn right now
1218     (void)::GdiFlush();
1219 #endif // __WIN32__
1220 }
1221
1222 // ---------------------------------------------------------------------------
1223 // drag and drop
1224 // ---------------------------------------------------------------------------
1225
1226 #if wxUSE_DRAG_AND_DROP
1227
1228 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1229 {
1230     if ( m_dropTarget != 0 ) {
1231         m_dropTarget->Revoke(m_hWnd);
1232         delete m_dropTarget;
1233     }
1234
1235     m_dropTarget = pDropTarget;
1236     if ( m_dropTarget != 0 )
1237         m_dropTarget->Register(m_hWnd);
1238 }
1239
1240 #endif // wxUSE_DRAG_AND_DROP
1241
1242 // old style file-manager drag&drop support: we retain the old-style
1243 // DragAcceptFiles in parallel with SetDropTarget.
1244 void wxWindowMSW::DragAcceptFiles(bool accept)
1245 {
1246     HWND hWnd = GetHwnd();
1247     if ( hWnd )
1248         ::DragAcceptFiles(hWnd, (BOOL)accept);
1249 }
1250
1251 // ----------------------------------------------------------------------------
1252 // tooltips
1253 // ----------------------------------------------------------------------------
1254
1255 #if wxUSE_TOOLTIPS
1256
1257 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1258 {
1259     wxWindowBase::DoSetToolTip(tooltip);
1260
1261     if ( m_tooltip )
1262         m_tooltip->SetWindow(this);
1263 }
1264
1265 #endif // wxUSE_TOOLTIPS
1266
1267 // ---------------------------------------------------------------------------
1268 // moving and resizing
1269 // ---------------------------------------------------------------------------
1270
1271 // Get total size
1272 void wxWindowMSW::DoGetSize(int *x, int *y) const
1273 {
1274     HWND hWnd = GetHwnd();
1275     RECT rect;
1276 #ifdef __WIN16__
1277     ::GetWindowRect(hWnd, &rect);
1278 #else
1279     if ( !::GetWindowRect(hWnd, &rect) )
1280     {
1281         wxLogLastError(_T("GetWindowRect"));
1282     }
1283 #endif
1284     if ( x )
1285         *x = rect.right - rect.left;
1286     if ( y )
1287         *y = rect.bottom - rect.top;
1288 }
1289
1290 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1291 {
1292     HWND hWnd = GetHwnd();
1293
1294     RECT rect;
1295     GetWindowRect(hWnd, &rect);
1296
1297     POINT point;
1298     point.x = rect.left;
1299     point.y = rect.top;
1300
1301     // we do the adjustments with respect to the parent only for the "real"
1302     // children, not for the dialogs/frames
1303     if ( !IsTopLevel() )
1304     {
1305         HWND hParentWnd = 0;
1306         wxWindow *parent = GetParent();
1307         if ( parent )
1308             hParentWnd = GetWinHwnd(parent);
1309
1310         // Since we now have the absolute screen coords, if there's a parent we
1311         // must subtract its top left corner
1312         if ( hParentWnd )
1313         {
1314             ::ScreenToClient(hParentWnd, &point);
1315         }
1316
1317         if ( parent )
1318         {
1319             // We may be faking the client origin. So a window that's really at (0,
1320             // 30) may appear (to wxWin apps) to be at (0, 0).
1321             wxPoint pt(parent->GetClientAreaOrigin());
1322             point.x -= pt.x;
1323             point.y -= pt.y;
1324         }
1325     }
1326
1327     if ( x )
1328         *x = point.x;
1329     if ( y )
1330         *y = point.y;
1331 }
1332
1333 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1334 {
1335     POINT pt;
1336     if ( x )
1337         pt.x = *x;
1338     if ( y )
1339         pt.y = *y;
1340
1341     HWND hWnd = GetHwnd();
1342     ::ScreenToClient(hWnd, &pt);
1343
1344     if ( x )
1345         *x = pt.x;
1346     if ( y )
1347         *y = pt.y;
1348 }
1349
1350 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1351 {
1352     POINT pt;
1353     if ( x )
1354         pt.x = *x;
1355     if ( y )
1356         pt.y = *y;
1357
1358     HWND hWnd = GetHwnd();
1359     ::ClientToScreen(hWnd, &pt);
1360
1361     if ( x )
1362         *x = pt.x;
1363     if ( y )
1364         *y = pt.y;
1365 }
1366
1367 // Get size *available for subwindows* i.e. excluding menu bar etc.
1368 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1369 {
1370     HWND hWnd = GetHwnd();
1371     RECT rect;
1372     ::GetClientRect(hWnd, &rect);
1373     if ( x )
1374         *x = rect.right;
1375     if ( y )
1376         *y = rect.bottom;
1377 }
1378
1379 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1380 {
1381     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1382     {
1383         wxLogLastError(wxT("MoveWindow"));
1384     }
1385 }
1386
1387 // set the size of the window: if the dimensions are positive, just use them,
1388 // but if any of them is equal to -1, it means that we must find the value for
1389 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1390 // which case -1 is a valid value for x and y)
1391 //
1392 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1393 // the width/height to best suit our contents, otherwise we reuse the current
1394 // width/height
1395 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1396 {
1397     // get the current size and position...
1398     int currentX, currentY;
1399     GetPosition(&currentX, &currentY);
1400     int currentW,currentH;
1401     GetSize(&currentW, &currentH);
1402
1403     // ... and don't do anything (avoiding flicker) if it's already ok
1404     if ( x == currentX && y == currentY &&
1405          width == currentW && height == currentH )
1406     {
1407         return;
1408     }
1409
1410     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1411         x = currentX;
1412     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1413         y = currentY;
1414
1415     AdjustForParentClientOrigin(x, y, sizeFlags);
1416
1417     wxSize size(-1, -1);
1418     if ( width == -1 )
1419     {
1420         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1421         {
1422             size = DoGetBestSize();
1423             width = size.x;
1424         }
1425         else
1426         {
1427             // just take the current one
1428             width = currentW;
1429         }
1430     }
1431
1432     if ( height == -1 )
1433     {
1434         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1435         {
1436             if ( size.x == -1 )
1437             {
1438                 size = DoGetBestSize();
1439             }
1440             //else: already called DoGetBestSize() above
1441
1442             height = size.y;
1443         }
1444         else
1445         {
1446             // just take the current one
1447             height = currentH;
1448         }
1449     }
1450
1451     DoMoveWindow(x, y, width, height);
1452 }
1453
1454 void wxWindowMSW::DoSetClientSize(int width, int height)
1455 {
1456     wxWindow *parent = GetParent();
1457     HWND hWnd = GetHwnd();
1458     HWND hParentWnd = (HWND) 0;
1459     if ( parent )
1460         hParentWnd = (HWND) parent->GetHWND();
1461
1462     RECT rect;
1463     ::GetClientRect(hWnd, &rect);
1464
1465     RECT rect2;
1466     GetWindowRect(hWnd, &rect2);
1467
1468     // Find the difference between the entire window (title bar and all)
1469     // and the client area; add this to the new client size to move the
1470     // window
1471     int actual_width = rect2.right - rect2.left - rect.right + width;
1472     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1473
1474     // If there's a parent, must subtract the parent's top left corner
1475     // since MoveWindow moves relative to the parent
1476
1477     POINT point;
1478     point.x = rect2.left;
1479     point.y = rect2.top;
1480     if ( parent )
1481     {
1482         ::ScreenToClient(hParentWnd, &point);
1483     }
1484
1485     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1486
1487     wxSizeEvent event(wxSize(width, height), m_windowId);
1488     event.SetEventObject(this);
1489     GetEventHandler()->ProcessEvent(event);
1490 }
1491
1492 // For implementation purposes - sometimes decorations make the client area
1493 // smaller
1494 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1495 {
1496     return wxPoint(0, 0);
1497 }
1498
1499 // Makes an adjustment to the window position (for example, a frame that has
1500 // a toolbar that it manages itself).
1501 void wxWindowMSW::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
1502 {
1503     // don't do it for the dialogs/frames - they float independently of their
1504     // parent
1505     if ( !IsTopLevel() )
1506     {
1507         wxWindow *parent = GetParent();
1508         if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
1509         {
1510             wxPoint pt(parent->GetClientAreaOrigin());
1511             x += pt.x;
1512             y += pt.y;
1513         }
1514     }
1515 }
1516
1517 // ---------------------------------------------------------------------------
1518 // text metrics
1519 // ---------------------------------------------------------------------------
1520
1521 int wxWindowMSW::GetCharHeight() const
1522 {
1523     return wxGetTextMetrics(this).tmHeight;
1524 }
1525
1526 int wxWindowMSW::GetCharWidth() const
1527 {
1528     // +1 is needed because Windows apparently adds it when calculating the
1529     // dialog units size in pixels
1530 #if wxDIALOG_UNIT_COMPATIBILITY
1531     return wxGetTextMetrics(this).tmAveCharWidth;
1532 #else
1533     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1534 #endif
1535 }
1536
1537 void wxWindowMSW::GetTextExtent(const wxString& string,
1538                              int *x, int *y,
1539                              int *descent, int *externalLeading,
1540                              const wxFont *theFont) const
1541 {
1542     const wxFont *fontToUse = theFont;
1543     if ( !fontToUse )
1544         fontToUse = &m_font;
1545
1546     HWND hWnd = GetHwnd();
1547     HDC dc = ::GetDC(hWnd);
1548
1549     HFONT fnt = 0;
1550     HFONT hfontOld = 0;
1551     if ( fontToUse && fontToUse->Ok() )
1552     {
1553         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1554         if ( fnt )
1555             hfontOld = (HFONT)SelectObject(dc,fnt);
1556     }
1557
1558     SIZE sizeRect;
1559     TEXTMETRIC tm;
1560     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1561     GetTextMetrics(dc, &tm);
1562
1563     if ( fontToUse && fnt && hfontOld )
1564         SelectObject(dc, hfontOld);
1565
1566     ReleaseDC(hWnd, dc);
1567
1568     if ( x )
1569         *x = sizeRect.cx;
1570     if ( y )
1571         *y = sizeRect.cy;
1572     if ( descent )
1573         *descent = tm.tmDescent;
1574     if ( externalLeading )
1575         *externalLeading = tm.tmExternalLeading;
1576 }
1577
1578 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1579 // ---------------------------------------------------------------------------
1580 // Caret manipulation
1581 // ---------------------------------------------------------------------------
1582
1583 void wxWindowMSW::CreateCaret(int w, int h)
1584 {
1585     SetCaret(new wxCaret(this, w, h));
1586 }
1587
1588 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1589 {
1590     wxFAIL_MSG("not implemented");
1591 }
1592
1593 void wxWindowMSW::ShowCaret(bool show)
1594 {
1595     wxCHECK_RET( m_caret, "no caret to show" );
1596
1597     m_caret->Show(show);
1598 }
1599
1600 void wxWindowMSW::DestroyCaret()
1601 {
1602     SetCaret(NULL);
1603 }
1604
1605 void wxWindowMSW::SetCaretPos(int x, int y)
1606 {
1607     wxCHECK_RET( m_caret, "no caret to move" );
1608
1609     m_caret->Move(x, y);
1610 }
1611
1612 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1613 {
1614     wxCHECK_RET( m_caret, "no caret to get position of" );
1615
1616     m_caret->GetPosition(x, y);
1617 }
1618 #endif // wxUSE_CARET
1619
1620 // ---------------------------------------------------------------------------
1621 // popup menu
1622 // ---------------------------------------------------------------------------
1623
1624 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1625 // immediately, without waiting for the next event loop iteration
1626 //
1627 // NB: this function should probably be made public later as it can almost
1628 //     surely replace wxYield() elsewhere as well
1629 static void wxYieldForCommandsOnly()
1630 {
1631     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1632     // want to process it here)
1633     MSG msg;
1634     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1635                 && msg.message != WM_QUIT )
1636     {
1637         wxTheApp->DoMessage((WXMSG *)&msg);
1638     }
1639 }
1640
1641 #if wxUSE_MENUS_NATIVE
1642
1643 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1644 {
1645     menu->SetInvokingWindow(this);
1646     menu->UpdateUI();
1647
1648     HWND hWnd = GetHwnd();
1649     HMENU hMenu = GetHmenuOf(menu);
1650     POINT point;
1651     point.x = x;
1652     point.y = y;
1653     ::ClientToScreen(hWnd, &point);
1654     wxCurrentPopupMenu = menu;
1655     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1656
1657     // we need to do it righ now as otherwise the events are never going to be
1658     // sent to wxCurrentPopupMenu from HandleCommand()
1659     //
1660     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1661     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1662     // destroyed as soon as we return (it can be a local variable in the caller
1663     // for example) and so we do need to process the event immediately
1664     wxYieldForCommandsOnly();
1665
1666     wxCurrentPopupMenu = NULL;
1667
1668     menu->SetInvokingWindow(NULL);
1669
1670     return TRUE;
1671 }
1672
1673 #endif // wxUSE_MENUS_NATIVE
1674
1675 // ===========================================================================
1676 // pre/post message processing
1677 // ===========================================================================
1678
1679 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1680 {
1681     if ( m_oldWndProc )
1682         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1683     else
1684         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1685 }
1686
1687 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1688 {
1689     // wxUniversal implements tab traversal itself
1690 #ifndef __WXUNIVERSAL__
1691     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1692     {
1693         // intercept dialog navigation keys
1694         MSG *msg = (MSG *)pMsg;
1695
1696         // here we try to do all the job which ::IsDialogMessage() usually does
1697         // internally
1698 #if 1
1699         bool bProcess = TRUE;
1700         if ( msg->message != WM_KEYDOWN )
1701             bProcess = FALSE;
1702
1703         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1704             bProcess = FALSE;
1705
1706         if ( bProcess )
1707         {
1708             bool bCtrlDown = wxIsCtrlDown();
1709             bool bShiftDown = wxIsShiftDown();
1710
1711             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1712             // don't process it if it's the case (except for Ctrl-Tab/Enter
1713             // combinations which are always processed)
1714             LONG lDlgCode = 0;
1715             if ( !bCtrlDown )
1716             {
1717                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1718             }
1719
1720             bool bForward = TRUE,
1721                  bWindowChange = FALSE;
1722
1723             switch ( msg->wParam )
1724             {
1725                 case VK_TAB:
1726                     // assume that nobody wants Shift-TAB for himself - if we
1727                     // don't do it there is no easy way for a control to grab
1728                     // TABs but still let Shift-TAB work as navugation key
1729                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1730                         bProcess = FALSE;
1731                     }
1732                     else {
1733                         // Ctrl-Tab cycles thru notebook pages
1734                         bWindowChange = bCtrlDown;
1735                         bForward = !bShiftDown;
1736                     }
1737                     break;
1738
1739                 case VK_UP:
1740                 case VK_LEFT:
1741                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1742                         bProcess = FALSE;
1743                     else
1744                         bForward = FALSE;
1745                     break;
1746
1747                 case VK_DOWN:
1748                 case VK_RIGHT:
1749                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1750                         bProcess = FALSE;
1751                     break;
1752
1753                 case VK_RETURN:
1754                     {
1755                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1756                         {
1757                             // control wants to process Enter itself, don't
1758                             // call IsDialogMessage() which would interpret
1759                             // it
1760                             return FALSE;
1761                         }
1762                         else if ( lDlgCode & DLGC_BUTTON )
1763                         {
1764                             // let IsDialogMessage() handle this for all
1765                             // buttons except the owner-drawn ones which it
1766                             // just seems to ignore
1767                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1768                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1769                             {
1770                                 // emulate the button click
1771                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1772                                 if ( btn )
1773                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1774                             }
1775
1776                             bProcess = FALSE;
1777                         }
1778 #if wxUSE_BUTTON
1779                         else
1780                         {
1781                             wxPanel *panel = wxDynamicThisCast(this, wxPanel);
1782                             wxButton *btn = NULL;
1783                             if ( panel )
1784                             {
1785                                 // panel may have a default button which should
1786                                 // be activated by Enter
1787                                 btn = panel->GetDefaultItem();
1788                             }
1789
1790                             if ( btn && btn->IsEnabled() )
1791                             {
1792                                 // if we do have a default button, do press it
1793                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1794
1795                                 return TRUE;
1796                             }
1797                             // else: but if it does not it makes sense to make
1798                             //       it work like a TAB - and that's what we do.
1799                             //       Note that Ctrl-Enter always works this way.
1800                         }
1801 #endif // wxUSE_BUTTON
1802                     }
1803                     break;
1804
1805                 default:
1806                     bProcess = FALSE;
1807             }
1808
1809             if ( bProcess )
1810             {
1811                 wxNavigationKeyEvent event;
1812                 event.SetDirection(bForward);
1813                 event.SetWindowChange(bWindowChange);
1814                 event.SetEventObject(this);
1815
1816                 if ( GetEventHandler()->ProcessEvent(event) )
1817                 {
1818 #if wxUSE_BUTTON
1819                     wxButton *btn = wxDynamicCast(FindFocus(), wxButton);
1820                     if ( btn )
1821                     {
1822                         // the button which has focus should be default
1823                         btn->SetDefault();
1824                     }
1825 #endif // wxUSE_BUTTON
1826
1827                     return TRUE;
1828                 }
1829             }
1830         }
1831 #else
1832         // let ::IsDialogMessage() do almost everything and handle just the
1833         // things it doesn't here: Ctrl-TAB for switching notebook pages
1834         if ( msg->message == WM_KEYDOWN )
1835         {
1836             // don't process system keys here
1837             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1838             {
1839                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1840                 {
1841                     // find the first notebook parent and change its page
1842                     wxWindow *win = this;
1843                     wxNotebook *nbook = NULL;
1844                     while ( win && !nbook )
1845                     {
1846                         nbook = wxDynamicCast(win, wxNotebook);
1847                         win = win->GetParent();
1848                     }
1849
1850                     if ( nbook )
1851                     {
1852                         bool forward = !wxIsShiftDown();
1853
1854                         nbook->AdvanceSelection(forward);
1855                     }
1856                 }
1857             }
1858         }
1859 #endif // 0
1860
1861         if ( ::IsDialogMessage(GetHwnd(), msg) )
1862         {
1863             // IsDialogMessage() did something...
1864             return TRUE;
1865         }
1866     }
1867 #endif // __WXUNIVERSAL__
1868
1869 #if wxUSE_TOOLTIPS
1870     if ( m_tooltip )
1871     {
1872         // relay mouse move events to the tooltip control
1873         MSG *msg = (MSG *)pMsg;
1874         if ( msg->message == WM_MOUSEMOVE )
1875             m_tooltip->RelayEvent(pMsg);
1876     }
1877 #endif // wxUSE_TOOLTIPS
1878
1879     return FALSE;
1880 }
1881
1882 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1883 {
1884 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1885     return m_acceleratorTable.Translate(this, pMsg);
1886 #else
1887     return FALSE;
1888 #endif // wxUSE_ACCEL
1889 }
1890
1891 // ---------------------------------------------------------------------------
1892 // message params unpackers (different for Win16 and Win32)
1893 // ---------------------------------------------------------------------------
1894
1895 #ifdef __WIN32__
1896
1897 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1898                              WORD *id, WXHWND *hwnd, WORD *cmd)
1899 {
1900     *id = LOWORD(wParam);
1901     *hwnd = (WXHWND)lParam;
1902     *cmd = HIWORD(wParam);
1903 }
1904
1905 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1906                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1907 {
1908     *state = LOWORD(wParam);
1909     *minimized = HIWORD(wParam);
1910     *hwnd = (WXHWND)lParam;
1911 }
1912
1913 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1914                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1915 {
1916     *code = LOWORD(wParam);
1917     *pos = HIWORD(wParam);
1918     *hwnd = (WXHWND)lParam;
1919 }
1920
1921 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1922                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1923 {
1924 #ifndef __WXMICROWIN__
1925     *nCtlColor = CTLCOLOR_BTN;
1926     *hwnd = (WXHWND)lParam;
1927     *hdc = (WXHDC)wParam;
1928 #endif
1929 }
1930
1931 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1932                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1933 {
1934     *item = (WXWORD)wParam;
1935     *flags = HIWORD(wParam);
1936     *hmenu = (WXHMENU)lParam;
1937 }
1938
1939 #else // Win16
1940
1941 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1942                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1943 {
1944     *id = (WXWORD)wParam;
1945     *hwnd = (WXHWND)LOWORD(lParam);
1946     *cmd = HIWORD(lParam);
1947 }
1948
1949 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1950                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1951 {
1952     *state = (WXWORD)wParam;
1953     *minimized = LOWORD(lParam);
1954     *hwnd = (WXHWND)HIWORD(lParam);
1955 }
1956
1957 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1958                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1959 {
1960     *code = (WXWORD)wParam;
1961     *pos = LOWORD(lParam);
1962     *hwnd = (WXHWND)HIWORD(lParam);
1963 }
1964
1965 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1966                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1967 {
1968     *hwnd = (WXHWND)LOWORD(lParam);
1969     *nCtlColor = (int)HIWORD(lParam);
1970     *hdc = (WXHDC)wParam;
1971 }
1972
1973 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1974                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1975 {
1976     *item = (WXWORD)wParam;
1977     *flags = LOWORD(lParam);
1978     *hmenu = (WXHMENU)HIWORD(lParam);
1979 }
1980
1981 #endif // Win32/16
1982
1983 // ---------------------------------------------------------------------------
1984 // Main wxWindows window proc and the window proc for wxWindow
1985 // ---------------------------------------------------------------------------
1986
1987 // Hook for new window just as it's being created, when the window isn't yet
1988 // associated with the handle
1989 wxWindowMSW *wxWndHook = NULL;
1990
1991 // Main window proc
1992 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1993 {
1994     // trace all messages - useful for the debugging
1995 #ifdef __WXDEBUG__
1996     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
1997                wxGetMessageName(message), wParam, lParam);
1998 #endif // __WXDEBUG__
1999
2000     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
2001
2002     // when we get the first message for the HWND we just created, we associate
2003     // it with wxWindow stored in wxWndHook
2004     if ( !wnd && wxWndHook )
2005     {
2006 #if 0 // def __WXDEBUG__
2007         char buf[512];
2008         ::GetClassNameA((HWND) hWnd, buf, 512);
2009         wxString className(buf);
2010 #endif
2011
2012         wxAssociateWinWithHandle(hWnd, wxWndHook);
2013         wnd = wxWndHook;
2014         wxWndHook = NULL;
2015         wnd->SetHWND((WXHWND)hWnd);
2016     }
2017
2018     LRESULT rc;
2019
2020     // Stop right here if we don't have a valid handle in our wxWindow object.
2021     if ( wnd && !wnd->GetHWND() )
2022     {
2023         // FIXME: why do we do this?
2024         wnd->SetHWND((WXHWND) hWnd);
2025         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
2026         wnd->SetHWND(0);
2027     }
2028     else
2029     {
2030         if ( wnd )
2031             rc = wnd->MSWWindowProc(message, wParam, lParam);
2032         else
2033             rc = DefWindowProc( hWnd, message, wParam, lParam );
2034     }
2035
2036     return rc;
2037 }
2038
2039 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2040 {
2041     // did we process the message?
2042     bool processed = FALSE;
2043
2044     // the return value
2045     union
2046     {
2047         bool        allow;
2048         long        result;
2049         WXHICON     hIcon;
2050         WXHBRUSH    hBrush;
2051     } rc;
2052
2053     // for most messages we should return 0 when we do process the message
2054     rc.result = 0;
2055
2056     switch ( message )
2057     {
2058         case WM_CREATE:
2059             {
2060                 bool mayCreate;
2061                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2062                 if ( processed )
2063                 {
2064                     // return 0 to allow window creation
2065                     rc.result = mayCreate ? 0 : -1;
2066                 }
2067             }
2068             break;
2069
2070         case WM_DESTROY:
2071             processed = HandleDestroy();
2072             break;
2073
2074         case WM_MOVE:
2075             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2076             break;
2077
2078         case WM_SIZE:
2079             switch ( wParam )
2080             {
2081                 case SIZE_MAXHIDE:
2082                 case SIZE_MAXSHOW:
2083                     // we're not interested in these messages at all
2084                     break;
2085
2086                 case SIZE_MINIMIZED:
2087                     // we shouldn't send sizev events for these messages as the
2088                     // client size may be negative which breaks existing code
2089                     //
2090                     // OTOH we might send another (wxMinimizedEvent?) one or
2091                     // add an additional parameter to wxSizeEvent if this is
2092                     // useful to anybody
2093                     break;
2094
2095                 default:
2096                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2097                     // fall through nevertheless
2098
2099                 case SIZE_MAXIMIZED:
2100                 case SIZE_RESTORED:
2101                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2102                                            wParam);
2103             }
2104             break;
2105
2106 #ifndef __WXMICROWIN__
2107         case WM_ACTIVATEAPP:
2108             wxTheApp->SetActive(wParam != 0, FindFocus());
2109             break;
2110 #endif
2111
2112         case WM_ACTIVATE:
2113             {
2114                 WXWORD state, minimized;
2115                 WXHWND hwnd;
2116                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2117
2118                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2119             }
2120             break;
2121
2122         case WM_SETFOCUS:
2123             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2124             break;
2125
2126         case WM_KILLFOCUS:
2127             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2128             break;
2129
2130         case WM_PAINT:
2131             processed = HandlePaint();
2132             break;
2133
2134         case WM_CLOSE:
2135             // don't let the DefWindowProc() destroy our window - we'll do it
2136             // ourselves in ~wxWindow
2137             processed = TRUE;
2138             rc.result = TRUE;
2139             break;
2140
2141         case WM_SHOWWINDOW:
2142             processed = HandleShow(wParam != 0, (int)lParam);
2143             break;
2144
2145         case WM_MOUSEMOVE:
2146             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2147                                         GET_Y_LPARAM(lParam),
2148                                         wParam);
2149             break;
2150
2151 #if wxUSE_MOUSEWHEEL
2152         case WM_MOUSEWHEEL:
2153             processed = HandleMouseWheel(wParam, lParam);
2154             break;
2155 #endif
2156
2157         case WM_LBUTTONDOWN:
2158         case WM_LBUTTONUP:
2159         case WM_LBUTTONDBLCLK:
2160         case WM_RBUTTONDOWN:
2161         case WM_RBUTTONUP:
2162         case WM_RBUTTONDBLCLK:
2163         case WM_MBUTTONDOWN:
2164         case WM_MBUTTONUP:
2165         case WM_MBUTTONDBLCLK:
2166          {
2167                 processed = FALSE;
2168 #ifdef __WXMICROWIN__
2169                 // MicroWindows seems to ignore the fact that a window
2170                 // is disabled. So catch mouse events and throw them away if necessary.
2171                 wxWindowMSW* win = this;
2172                 while (win)
2173                 {
2174                     if (!win->IsEnabled())
2175                     {
2176                         processed = TRUE;
2177                         break;
2178                     }
2179                     win = win->GetParent();
2180                     if (win && win->IsTopLevel())
2181                         break;
2182                 }
2183 #endif
2184                 if (!processed)
2185                 {
2186                     if (message == WM_LBUTTONDOWN && AcceptsFocus())
2187                         SetFocus();
2188                      processed = HandleMouseEvent(message,
2189                                          GET_X_LPARAM(lParam),
2190                                          GET_Y_LPARAM(lParam),
2191                                                   wParam);
2192                 }
2193                 break;
2194          }
2195
2196 #ifdef __WXMICROWIN__
2197         case WM_NCLBUTTONDOWN:
2198         case WM_NCLBUTTONUP:
2199         case WM_NCLBUTTONDBLCLK:
2200         case WM_NCRBUTTONDOWN:
2201         case WM_NCRBUTTONUP:
2202         case WM_NCRBUTTONDBLCLK:
2203 #if 0
2204         case WM_NCMBUTTONDOWN:
2205         case WM_NCMBUTTONUP:
2206         case WM_NCMBUTTONDBLCLK:
2207 #endif
2208             {
2209                 // MicroWindows seems to ignore the fact that a window
2210                 // is disabled. So catch mouse events and throw them away if necessary.
2211                 processed = FALSE;
2212                 wxWindowMSW* win = this;
2213                 while (win)
2214                 {
2215                     if (!win->IsEnabled())
2216                     {
2217                         processed = TRUE;
2218                         break;
2219                     }
2220                     win = win->GetParent();
2221                     if (win && win->IsTopLevel())
2222                         break;
2223                 }
2224                 break;
2225             }
2226 #endif
2227
2228 #ifdef MM_JOY1MOVE // __WXMICROWIN__
2229         case MM_JOY1MOVE:
2230         case MM_JOY2MOVE:
2231         case MM_JOY1ZMOVE:
2232         case MM_JOY2ZMOVE:
2233         case MM_JOY1BUTTONDOWN:
2234         case MM_JOY2BUTTONDOWN:
2235         case MM_JOY1BUTTONUP:
2236         case MM_JOY2BUTTONUP:
2237             processed = HandleJoystickEvent(message,
2238                                             GET_X_LPARAM(lParam),
2239                                             GET_Y_LPARAM(lParam),
2240                                             wParam);
2241             break;
2242 #endif
2243
2244         case WM_SYSCOMMAND:
2245             processed = HandleSysCommand(wParam, lParam);
2246             break;
2247
2248         case WM_COMMAND:
2249             {
2250                 WORD id, cmd;
2251                 WXHWND hwnd;
2252                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2253
2254                 processed = HandleCommand(id, cmd, hwnd);
2255             }
2256             break;
2257
2258 #ifdef __WIN95__
2259         case WM_NOTIFY:
2260             processed = HandleNotify((int)wParam, lParam, &rc.result);
2261             break;
2262 #endif  // Win95
2263
2264             // for these messages we must return TRUE if process the message
2265 #ifdef WM_DRAWITEM // __WXMICROWIN__
2266         case WM_DRAWITEM:
2267         case WM_MEASUREITEM:
2268             {
2269                 int idCtrl = (UINT)wParam;
2270                 if ( message == WM_DRAWITEM )
2271                 {
2272                     processed = MSWOnDrawItem(idCtrl,
2273                                               (WXDRAWITEMSTRUCT *)lParam);
2274                 }
2275                 else
2276                 {
2277                     processed = MSWOnMeasureItem(idCtrl,
2278                                                  (WXMEASUREITEMSTRUCT *)lParam);
2279                 }
2280
2281                 if ( processed )
2282                     rc.result = TRUE;
2283             }
2284             break;
2285 #endif
2286         case WM_GETDLGCODE:
2287             if ( m_lDlgCode )
2288             {
2289                 rc.result = m_lDlgCode;
2290                 processed = TRUE;
2291             }
2292             //else: get the dlg code from the DefWindowProc()
2293             break;
2294
2295         case WM_SYSKEYDOWN:
2296         case WM_KEYDOWN:
2297             // If this has been processed by an event handler,
2298             // return 0 now (we've handled it).
2299             if ( HandleKeyDown((WORD) wParam, lParam) )
2300             {
2301                 processed = TRUE;
2302
2303                 break;
2304             }
2305
2306             // we consider these message "not interesting" to OnChar
2307             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2308             {
2309                 processed = TRUE;
2310
2311                 break;
2312             }
2313
2314             switch ( wParam )
2315             {
2316                 // avoid duplicate messages to OnChar for these ASCII keys: they
2317                 // will be translated by TranslateMessage() and received in WM_CHAR
2318                 case VK_ESCAPE:
2319                 case VK_SPACE:
2320                 case VK_RETURN:
2321                 case VK_BACK:
2322                 case VK_TAB:
2323                 case VK_ADD:
2324                 case VK_SUBTRACT:
2325                     // but set processed to FALSE, not TRUE to still pass them to
2326                     // the control's default window proc - otherwise built-in
2327                     // keyboard handling won't work
2328                     processed = FALSE;
2329
2330                     break;
2331
2332 #ifdef VK_APPS
2333                 // special case of VK_APPS: treat it the same as right mouse
2334                 // click because both usually pop up a context menu
2335                 case VK_APPS:
2336                     {
2337                         WPARAM flags;
2338                         int x, y;
2339
2340                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2341                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2342                     }
2343                     break;
2344 #endif // VK_APPS
2345
2346                 case VK_LEFT:
2347                 case VK_RIGHT:
2348                 case VK_DOWN:
2349                 case VK_UP:
2350                 default:
2351                     processed = HandleChar((WORD)wParam, lParam);
2352             }
2353             break;
2354
2355         case WM_SYSKEYUP:
2356         case WM_KEYUP:
2357 #ifdef VK_APPS
2358             // special case of VK_APPS: treat it the same as right mouse button
2359             if ( wParam == VK_APPS )
2360             {
2361                 WPARAM flags;
2362                 int x, y;
2363
2364                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2365                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2366             }
2367             else
2368 #endif // VK_APPS
2369             {
2370                 processed = HandleKeyUp((WORD) wParam, lParam);
2371             }
2372             break;
2373
2374         case WM_SYSCHAR:
2375         case WM_CHAR: // Always an ASCII character
2376             processed = HandleChar((WORD)wParam, lParam, TRUE);
2377             break;
2378
2379         case WM_HSCROLL:
2380         case WM_VSCROLL:
2381             {
2382                 WXWORD code, pos;
2383                 WXHWND hwnd;
2384                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2385
2386                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2387                                                               : wxVERTICAL,
2388                                         code, pos, hwnd);
2389             }
2390             break;
2391
2392         // CTLCOLOR messages are sent by children to query the parent for their
2393         // colors#ifndef __WXMICROWIN__
2394 #ifndef __WXMICROWIN__
2395 #ifdef __WIN32__
2396         case WM_CTLCOLORMSGBOX:
2397         case WM_CTLCOLOREDIT:
2398         case WM_CTLCOLORLISTBOX:
2399         case WM_CTLCOLORBTN:
2400         case WM_CTLCOLORDLG:
2401         case WM_CTLCOLORSCROLLBAR:
2402         case WM_CTLCOLORSTATIC:
2403 #else // Win16
2404         case WM_CTLCOLOR:
2405 #endif // Win32/16
2406             {
2407                 WXWORD nCtlColor;
2408                 WXHDC hdc;
2409                 WXHWND hwnd;
2410                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2411
2412                 processed = HandleCtlColor(&rc.hBrush,
2413                                            (WXHDC)hdc,
2414                                            (WXHWND)hwnd,
2415                                            nCtlColor,
2416                                            message,
2417                                            wParam,
2418                                            lParam);
2419             }
2420             break;
2421 #endif
2422
2423             // the return value for this message is ignored
2424         case WM_SYSCOLORCHANGE:
2425             processed = HandleSysColorChange();
2426             break;
2427
2428         case WM_PALETTECHANGED:
2429             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2430             break;
2431
2432         case WM_QUERYNEWPALETTE:
2433             processed = HandleQueryNewPalette();
2434             break;
2435
2436         case WM_ERASEBKGND:
2437             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2438             if ( processed )
2439             {
2440                 // we processed the message, i.e. erased the background
2441                 rc.result = TRUE;
2442             }
2443             break;
2444
2445         case WM_DROPFILES:
2446             processed = HandleDropFiles(wParam);
2447             break;
2448
2449         case WM_INITDIALOG:
2450             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2451
2452             if ( processed )
2453             {
2454                 // we never set focus from here
2455                 rc.result = FALSE;
2456             }
2457             break;
2458
2459         case WM_QUERYENDSESSION:
2460             processed = HandleQueryEndSession(lParam, &rc.allow);
2461             break;
2462
2463         case WM_ENDSESSION:
2464             processed = HandleEndSession(wParam != 0, lParam);
2465             break;
2466
2467         case WM_GETMINMAXINFO:
2468             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2469             break;
2470
2471         case WM_SETCURSOR:
2472             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2473                                         LOWORD(lParam),     // hit test
2474                                         HIWORD(lParam));    // mouse msg
2475
2476             if ( processed )
2477             {
2478                 // returning TRUE stops the DefWindowProc() from further
2479                 // processing this message - exactly what we need because we've
2480                 // just set the cursor.
2481                 rc.result = TRUE;
2482             }
2483             break;
2484
2485 #if defined(__WIN32__) && defined(WM_HELP)
2486         case WM_HELP:
2487             {
2488                 HELPINFO* info = (HELPINFO*) lParam;
2489                 // Don't yet process menu help events, just windows
2490                 if (info->iContextType == HELPINFO_WINDOW)
2491                 {
2492                     wxWindowMSW* subjectOfHelp = this;
2493                     bool eventProcessed = FALSE;
2494                     while (subjectOfHelp && !eventProcessed)
2495                     {
2496                         wxHelpEvent helpEvent(wxEVT_HELP,
2497                                               subjectOfHelp->GetId(),
2498                                               wxPoint(info->MousePos.x,
2499                                               info->MousePos.y) );
2500                         helpEvent.SetEventObject(this);
2501                         eventProcessed =
2502                             GetEventHandler()->ProcessEvent(helpEvent);
2503
2504                         // Go up the window hierarchy until the event is
2505                         // handled (or not)
2506                         subjectOfHelp = subjectOfHelp->GetParent();
2507                     }
2508
2509                     processed = eventProcessed;
2510                 }
2511                 else if (info->iContextType == HELPINFO_MENUITEM)
2512                 {
2513                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2514                     helpEvent.SetEventObject(this);
2515                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2516
2517                 }
2518                 //else: processed is already FALSE
2519             }
2520             break;
2521
2522         case WM_CONTEXTMENU:
2523             {
2524                 // we don't convert from screen to client coordinates as
2525                 // the event may be handled by a parent window
2526                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2527
2528                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2529                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2530             }
2531             break;
2532 #endif // __WIN32__
2533
2534 #ifdef __WXUNIVERSAL__
2535         case WM_NCHITTEST:
2536             // we shouldn't allow the windows which don't want to get focus to
2537             // get it
2538             if ( !AcceptsFocus() )
2539             {
2540                 rc.result = HTTRANSPARENT;
2541                 processed = TRUE;
2542             }
2543             break;
2544 #endif // __WXUNIVERSAL__
2545     }
2546
2547     if ( !processed )
2548     {
2549 #ifdef __WXDEBUG__
2550         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2551                    wxGetMessageName(message));
2552 #endif // __WXDEBUG__
2553         rc.result = MSWDefWindowProc(message, wParam, lParam);
2554     }
2555
2556     return rc.result;
2557 }
2558
2559 // Dialog window proc
2560 LONG APIENTRY _EXPORT
2561 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2562 {
2563     if ( message == WM_INITDIALOG )
2564     {
2565         // for this message, returning TRUE tells system to set focus to the
2566         // first control in the dialog box
2567         return TRUE;
2568     }
2569     else
2570     {
2571         // for all the other ones, FALSE means that we didn't process the
2572         // message
2573         return 0;
2574     }
2575 }
2576
2577 wxList *wxWinHandleList = NULL;
2578 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2579 {
2580     wxNode *node = wxWinHandleList->Find((long)hWnd);
2581     if ( !node )
2582         return NULL;
2583     return (wxWindow *)node->Data();
2584 }
2585
2586 #if 0 // def __WXDEBUG__
2587 static int gs_AssociationCount = 0;
2588 #endif
2589
2590 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2591 {
2592     // adding NULL hWnd is (first) surely a result of an error and
2593     // (secondly) breaks menu command processing
2594     wxCHECK_RET( hWnd != (HWND)NULL,
2595                  wxT("attempt to add a NULL hWnd to window list ignored") );
2596
2597
2598     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2599     if ( oldWin && (oldWin != win) )
2600     {
2601         wxString str(win->GetClassInfo()->GetClassName());
2602         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2603     }
2604     else if (!oldWin)
2605     {
2606 #if 0 // def __WXDEBUG__
2607         gs_AssociationCount ++;
2608         wxLogDebug("+ Association %d", gs_AssociationCount);
2609 #endif
2610
2611         wxWinHandleList->Append((long)hWnd, win);
2612     }
2613 }
2614
2615 void wxRemoveHandleAssociation(wxWindowMSW *win)
2616 {
2617 #if 0 // def __WXDEBUG__
2618     if (wxWinHandleList->Member(win))
2619     {
2620         wxLogDebug("- Association %d", gs_AssociationCount);
2621         gs_AssociationCount --;
2622     }
2623 #endif
2624     wxWinHandleList->DeleteObject(win);
2625 }
2626
2627 // Default destroyer - override if you destroy it in some other way
2628 // (e.g. with MDI child windows)
2629 void wxWindowMSW::MSWDestroyWindow()
2630 {
2631 }
2632
2633 void wxWindowMSW::MSWDetachWindowMenu()
2634 {
2635 #ifndef __WXUNIVERSAL__
2636     if ( m_hMenu )
2637     {
2638         wxChar buf[1024];
2639         HMENU hMenu = (HMENU)m_hMenu;
2640
2641         int N = ::GetMenuItemCount(hMenu);
2642         for ( int i = 0; i < N; i++ )
2643         {
2644             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2645             {
2646                 wxLogLastError(wxT("GetMenuString"));
2647
2648                 continue;
2649             }
2650
2651             if ( wxStrcmp(buf, _("&Window")) == 0 )
2652             {
2653                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2654                 {
2655                     wxLogLastError(wxT("RemoveMenu"));
2656                 }
2657
2658                 break;
2659             }
2660         }
2661     }
2662 #endif
2663 }
2664
2665 bool wxWindowMSW::MSWCreate(int id,
2666                             wxWindow *parent,
2667                             const wxChar *wclass,
2668                             wxWindow * WXUNUSED(wx_win),
2669                             const wxChar *title,
2670                             int x,
2671                             int y,
2672                             int width,
2673                             int height,
2674                             WXDWORD style,
2675                             const wxChar *dialog_template,
2676                             WXDWORD extendedStyle)
2677 {
2678     int x1 = CW_USEDEFAULT;
2679     int y1 = 0;
2680     int width1 = CW_USEDEFAULT;
2681     int height1 = 100;
2682
2683     // Find parent's size, if it exists, to set up a possible default
2684     // panel size the size of the parent window
2685     RECT rectParent;
2686     if ( parent )
2687     {
2688         ::GetClientRect(GetHwndOf(parent), &rectParent);
2689
2690         width1 = rectParent.right - rectParent.left;
2691         height1 = rectParent.bottom - rectParent.top;
2692     }
2693
2694     if ( x != -1 )
2695         x1 = x;
2696     if ( y != -1 )
2697         y1 = y;
2698     if ( width != -1 )
2699         width1 = width;
2700     if ( height != -1 )
2701         height1 = height;
2702
2703     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2704     // hierarchy with several embedded panels (and not all of them) causes the
2705     // program to hang during the next call to IsDialogMessage() due to the bug
2706     // in this function (at least in Windows NT 4.0, it seems to work ok in
2707     // Win2K)
2708 #if 0
2709     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2710     // IsDialogMessage() won't work for us
2711     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2712     {
2713         extendedStyle |= WS_EX_CONTROLPARENT;
2714     }
2715 #endif // 0
2716
2717     HWND hParent;
2718     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2719     {
2720         // popup windows should have desktop as parent because they shouldn't
2721         // be limited to the parents client area as child windows usually are
2722         hParent = ::GetDesktopWindow();
2723     }
2724     else if ( parent )
2725     {
2726         hParent = GetHwndOf(parent);
2727     }
2728     else
2729     {
2730         // top level window
2731         hParent = NULL;
2732     }
2733
2734     wxWndHook = this;
2735
2736 #ifndef __WXMICROWIN__
2737     if ( dialog_template )
2738     {
2739         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2740         // app window as parent - this avoids creating modal dialogs without
2741         // parent
2742         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2743         {
2744             wxWindow *winTop = wxTheApp->GetTopWindow();
2745             if ( winTop )
2746                 hParent = GetHwndOf(winTop);
2747         }
2748
2749         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2750                                         dialog_template,
2751                                         hParent,
2752                                         (DLGPROC)wxDlgProc);
2753
2754         if ( m_hWnd == 0 )
2755         {
2756             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2757                        dialog_template);
2758
2759             return FALSE;
2760         }
2761
2762         if ( extendedStyle != 0 )
2763         {
2764             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2765             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2766                            SWP_NOSIZE |
2767                            SWP_NOMOVE |
2768                            SWP_NOZORDER |
2769                            SWP_NOACTIVATE);
2770         }
2771
2772 #if defined(__WIN95__)
2773         // For some reason, the system menu is activated when we use the
2774         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2775         if (extendedStyle & WS_EX_CONTEXTHELP)
2776         {
2777             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2778             if ( winTop )
2779             {
2780                 wxIcon icon = winTop->GetIcon();
2781                 if ( icon.Ok() )
2782                 {
2783                     ::SendMessage(GetHwnd(), WM_SETICON,
2784                                   (WPARAM)TRUE,
2785                                   (LPARAM)GetHiconOf(icon));
2786                 }
2787             }
2788         }
2789 #endif // __WIN95__
2790
2791
2792         // JACS: is the following still necessary? The above seems to work.
2793
2794         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2795         // to take care of (at least some) extended style flags ourselves
2796         if ( extendedStyle & WS_EX_TOPMOST )
2797         {
2798             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2799                                  SWP_NOSIZE | SWP_NOMOVE) )
2800             {
2801                 wxLogLastError(wxT("SetWindowPos"));
2802             }
2803         }
2804
2805         // move the dialog to its initial position without forcing repainting
2806         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2807         {
2808             wxLogLastError(wxT("MoveWindow"));
2809         }
2810
2811     }
2812     else // creating a normal window, not a dialog
2813 #endif
2814         // __WXMICROWIN__
2815     {
2816         int controlId = 0;
2817         if ( style & WS_CHILD )
2818         {
2819             controlId = id;
2820
2821             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2822             {
2823                 style |= WS_CLIPSIBLINGS;
2824             }
2825         }
2826
2827         wxString className(wclass);
2828         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2829         {
2830             className += wxT("NR");
2831         }
2832
2833         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2834                                         className,
2835                                         title ? title : wxT(""),
2836                                         style,
2837                                         x1, y1,
2838                                         width1, height1,
2839                                         hParent, (HMENU)controlId,
2840                                         wxGetInstance(),
2841                                         NULL);
2842
2843         if ( !m_hWnd )
2844         {
2845             wxLogError(_("Can't create window of class %s!\nPossible Windows 3.x compatibility problem?"),
2846                        wclass);
2847
2848             return FALSE;
2849         }
2850     }
2851
2852     wxWndHook = NULL;
2853
2854 #ifdef __WXDEBUG__
2855     wxNode* node = wxWinHandleList->Member(this);
2856     if (node)
2857     {
2858         HWND hWnd = (HWND) node->GetKeyInteger();
2859         if (hWnd != (HWND) m_hWnd)
2860         {
2861             wxLogError(wxT("A second HWND association is being added for the same window!"));
2862         }
2863     }
2864 #endif // Debug
2865
2866     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2867
2868     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2869
2870     return TRUE;
2871 }
2872
2873 // ===========================================================================
2874 // MSW message handlers
2875 // ===========================================================================
2876
2877 // ---------------------------------------------------------------------------
2878 // WM_NOTIFY
2879 // ---------------------------------------------------------------------------
2880
2881 #ifdef __WIN95__
2882 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2883 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2884 {
2885 #ifndef __WXMICROWIN__
2886     LPNMHDR hdr = (LPNMHDR)lParam;
2887     HWND hWnd = hdr->hwndFrom;
2888     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2889
2890     // is this one of our windows?
2891     if ( win )
2892     {
2893         return win->MSWOnNotify(idCtrl, lParam, result);
2894     }
2895
2896     // try all our children
2897     wxWindowList::Node *node = GetChildren().GetFirst();
2898     while ( node )
2899     {
2900         wxWindow *child = node->GetData();
2901         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2902         {
2903             return TRUE;
2904         }
2905
2906         node = node->GetNext();
2907     }
2908
2909     // finally try this window too (catches toolbar case)
2910     return MSWOnNotify(idCtrl, lParam, result);
2911 #else
2912     return FALSE;
2913 #endif
2914 }
2915
2916 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2917                            WXLPARAM lParam,
2918                            WXLPARAM* WXUNUSED(result))
2919 {
2920 #if wxUSE_TOOLTIPS
2921     NMHDR* hdr = (NMHDR *)lParam;
2922     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2923     {
2924         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2925         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2926
2927         // processed
2928         return TRUE;
2929     }
2930 #endif // wxUSE_TOOLTIPS
2931
2932     return FALSE;
2933 }
2934 #endif // __WIN95__
2935
2936 // ---------------------------------------------------------------------------
2937 // end session messages
2938 // ---------------------------------------------------------------------------
2939
2940 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2941 {
2942     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2943     event.SetEventObject(wxTheApp);
2944     event.SetCanVeto(TRUE);
2945     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
2946
2947     bool rc = wxTheApp->ProcessEvent(event);
2948
2949     if ( rc )
2950     {
2951         // we may end only if the app didn't veto session closing (double
2952         // negation...)
2953         *mayEnd = !event.GetVeto();
2954     }
2955
2956     return rc;
2957 }
2958
2959 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
2960 {
2961     // do nothing if the session isn't ending
2962     if ( !endSession )
2963         return FALSE;
2964
2965     wxCloseEvent event(wxEVT_END_SESSION, -1);
2966     event.SetEventObject(wxTheApp);
2967     event.SetCanVeto(FALSE);
2968     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
2969     if ( (this == wxTheApp->GetTopWindow()) && // Only send once
2970         wxTheApp->ProcessEvent(event))
2971     {
2972     }
2973     return TRUE;
2974 }
2975
2976 // ---------------------------------------------------------------------------
2977 // window creation/destruction
2978 // ---------------------------------------------------------------------------
2979
2980 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
2981 {
2982     // TODO: should generate this event from WM_NCCREATE
2983     wxWindowCreateEvent event((wxWindow *)this);
2984     (void)GetEventHandler()->ProcessEvent(event);
2985
2986     *mayCreate = TRUE;
2987
2988     return TRUE;
2989 }
2990
2991 bool wxWindowMSW::HandleDestroy()
2992 {
2993     wxWindowDestroyEvent event((wxWindow *)this);
2994     (void)GetEventHandler()->ProcessEvent(event);
2995
2996     // delete our drop target if we've got one
2997 #if wxUSE_DRAG_AND_DROP
2998     if ( m_dropTarget != NULL )
2999     {
3000         m_dropTarget->Revoke(m_hWnd);
3001
3002         delete m_dropTarget;
3003         m_dropTarget = NULL;
3004     }
3005 #endif // wxUSE_DRAG_AND_DROP
3006
3007     // WM_DESTROY handled
3008     return TRUE;
3009 }
3010
3011 // ---------------------------------------------------------------------------
3012 // activation/focus
3013 // ---------------------------------------------------------------------------
3014
3015 void wxWindowMSW::OnSetFocus(wxFocusEvent& event)
3016 {
3017     // panel wants to track the window which was the last to have focus in it,
3018     // so we want to set ourselves as the window which last had focus
3019     //
3020     // notice that it's also important to do it upwards the tree becaus
3021     // otherwise when the top level panel gets focus, it won't set it back to
3022     // us, but to some other sibling
3023     wxWindow *win = (wxWindow *)this;
3024     while ( win )
3025     {
3026         wxWindow *parent = win->GetParent();
3027         wxPanel *panel = wxDynamicCast(parent, wxPanel);
3028         if ( panel )
3029         {
3030             panel->SetLastFocus(win);
3031         }
3032
3033         win = parent;
3034     }
3035
3036     wxLogTrace(_T("focus"), _T("%s (0x%08x) gets focus"),
3037                GetClassInfo()->GetClassName(), GetHandle());
3038
3039     event.Skip();
3040 }
3041
3042 bool wxWindowMSW::HandleActivate(int state,
3043                               bool WXUNUSED(minimized),
3044                               WXHWND WXUNUSED(activate))
3045 {
3046     wxActivateEvent event(wxEVT_ACTIVATE,
3047                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
3048                           m_windowId);
3049     event.SetEventObject(this);
3050
3051     return GetEventHandler()->ProcessEvent(event);
3052 }
3053
3054 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
3055 {
3056 #if wxUSE_CARET
3057     // Deal with caret
3058     if ( m_caret )
3059     {
3060         m_caret->OnSetFocus();
3061     }
3062 #endif // wxUSE_CARET
3063
3064     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
3065     event.SetEventObject(this);
3066
3067     // wxFindWinFromHandle() may return NULL, it is ok
3068     event.SetWindow(wxFindWinFromHandle(hwnd));
3069
3070     return GetEventHandler()->ProcessEvent(event);
3071 }
3072
3073 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
3074 {
3075 #if wxUSE_CARET
3076     // Deal with caret
3077     if ( m_caret )
3078     {
3079         m_caret->OnKillFocus();
3080     }
3081 #endif // wxUSE_CARET
3082
3083     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
3084     event.SetEventObject(this);
3085
3086     // wxFindWinFromHandle() may return NULL, it is ok
3087     event.SetWindow(wxFindWinFromHandle(hwnd));
3088
3089     return GetEventHandler()->ProcessEvent(event);
3090 }
3091
3092 // ---------------------------------------------------------------------------
3093 // miscellaneous
3094 // ---------------------------------------------------------------------------
3095
3096 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3097 {
3098     wxShowEvent event(GetId(), show);
3099     event.m_eventObject = this;
3100
3101     return GetEventHandler()->ProcessEvent(event);
3102 }
3103
3104 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3105 {
3106     wxInitDialogEvent event(GetId());
3107     event.m_eventObject = this;
3108
3109     return GetEventHandler()->ProcessEvent(event);
3110 }
3111
3112 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3113 {
3114 #ifndef __WXMICROWIN__
3115     HDROP hFilesInfo = (HDROP) wParam;
3116     POINT dropPoint;
3117     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3118
3119     // Get the total number of files dropped
3120     WORD gwFilesDropped = (WORD)::DragQueryFile
3121                             (
3122                                 (HDROP)hFilesInfo,
3123                                 (UINT)-1,
3124                                 (LPTSTR)0,
3125                                 (UINT)0
3126                             );
3127
3128     wxString *files = new wxString[gwFilesDropped];
3129     int wIndex;
3130     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3131     {
3132         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3133         files[wIndex] = wxBuffer;
3134     }
3135     DragFinish (hFilesInfo);
3136
3137     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3138     event.m_eventObject = this;
3139     event.m_pos.x = dropPoint.x; event.m_pos.x = dropPoint.y;
3140
3141     bool rc = GetEventHandler()->ProcessEvent(event);
3142
3143     delete[] files;
3144
3145     return rc;
3146 #else
3147     return FALSE;
3148 #endif
3149 }
3150
3151 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3152                                   short nHitTest,
3153                                   int WXUNUSED(mouseMsg))
3154 {
3155 #ifndef __WXMICROWIN__
3156     // the logic is as follows:
3157     // -1. don't set cursor for non client area, including but not limited to
3158     //     the title bar, scrollbars, &c
3159     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3160     //  1. if we have the cursor set it unless wxIsBusy()
3161     //  2. if we're a top level window, set some cursor anyhow
3162     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3163
3164     if ( nHitTest != HTCLIENT )
3165     {
3166         return FALSE;
3167     }
3168
3169     HCURSOR hcursor = 0;
3170
3171     // first ask the user code - it may wish to set the cursor in some very
3172     // specific way (for example, depending on the current position)
3173     POINT pt;
3174 #ifdef __WIN32__
3175     if ( !::GetCursorPos(&pt) )
3176     {
3177         wxLogLastError(wxT("GetCursorPos"));
3178     }
3179 #else
3180     // In WIN16 it doesn't return a value.
3181     ::GetCursorPos(&pt);
3182 #endif
3183
3184     int x = pt.x,
3185         y = pt.y;
3186     ScreenToClient(&x, &y);
3187     wxSetCursorEvent event(x, y);
3188
3189     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3190     if ( processedEvtSetCursor && event.HasCursor() )
3191     {
3192         hcursor = GetHcursorOf(event.GetCursor());
3193     }
3194
3195     if ( !hcursor )
3196     {
3197         bool isBusy = wxIsBusy();
3198
3199         // the test for processedEvtSetCursor is here to prevent using m_cursor
3200         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3201         // it - this is a way to say that our cursor shouldn't be used for this
3202         // point
3203         if ( !processedEvtSetCursor && m_cursor.Ok() )
3204         {
3205             hcursor = GetHcursorOf(m_cursor);
3206         }
3207
3208         if ( !GetParent() )
3209         {
3210             if ( isBusy )
3211             {
3212                 hcursor = wxGetCurrentBusyCursor();
3213             }
3214             else if ( !hcursor )
3215             {
3216                 const wxCursor *cursor = wxGetGlobalCursor();
3217                 if ( cursor && cursor->Ok() )
3218                 {
3219                     hcursor = GetHcursorOf(*cursor);
3220                 }
3221             }
3222         }
3223     }
3224
3225     if ( hcursor )
3226     {
3227         ::SetCursor(hcursor);
3228
3229         // cursor set, stop here
3230         return TRUE;
3231     }
3232 #endif
3233     // pass up the window chain
3234     return FALSE;
3235 }
3236
3237 // ---------------------------------------------------------------------------
3238 // owner drawn stuff
3239 // ---------------------------------------------------------------------------
3240
3241 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3242 {
3243 #if wxUSE_OWNER_DRAWN
3244
3245 #if wxUSE_MENUS_NATIVE
3246     // is it a menu item?
3247     if ( id == 0 )
3248     {
3249         DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3250         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3251
3252         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3253
3254         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3255         // the DC from being released
3256         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3257         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3258                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3259                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3260
3261         return pMenuItem->OnDrawItem
3262                (
3263                 dc,
3264                 rect,
3265                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3266                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3267                );
3268     }
3269 #endif // wxUSE_MENUS_NATIVE
3270
3271 #if wxUSE_CONTROLS
3272     wxWindow *item = FindItem(id);
3273     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3274     {
3275         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3276     }
3277 #endif // wxUSE_CONTROLS
3278
3279 #endif // USE_OWNER_DRAWN
3280
3281     return FALSE;
3282 }
3283
3284 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3285 {
3286 #if wxUSE_OWNER_DRAWN
3287     // is it a menu item?
3288     if ( id == 0 )
3289     {
3290         MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3291         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3292
3293         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3294
3295         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3296                                         &pMeasureStruct->itemHeight);
3297     }
3298
3299     wxWindow *item = FindItem(id);
3300     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3301     {
3302         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3303     }
3304 #endif  // owner-drawn menus
3305     return FALSE;
3306 }
3307
3308 // ---------------------------------------------------------------------------
3309 // colours and palettes
3310 // ---------------------------------------------------------------------------
3311
3312 bool wxWindowMSW::HandleSysColorChange()
3313 {
3314     wxSysColourChangedEvent event;
3315     event.SetEventObject(this);
3316
3317     return GetEventHandler()->ProcessEvent(event);
3318 }
3319
3320 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3321                               WXHDC pDC,
3322                               WXHWND pWnd,
3323                               WXUINT nCtlColor,
3324                               WXUINT message,
3325                               WXWPARAM wParam,
3326                               WXLPARAM lParam)
3327 {
3328 #ifndef __WXMICROWIN__
3329     WXHBRUSH hBrush = 0;
3330
3331     if ( nCtlColor == CTLCOLOR_DLG )
3332     {
3333         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3334     }
3335 #if wxUSE_CONTROLS
3336     else
3337     {
3338         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3339         if ( item )
3340             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3341     }
3342 #endif // wxUSE_CONTROLS
3343
3344     if ( hBrush )
3345         *brush = hBrush;
3346
3347     return hBrush != 0;
3348 #else
3349     return FALSE;
3350 #endif
3351 }
3352
3353 // Define for each class of dialog and control
3354 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3355                                  WXHWND WXUNUSED(hWnd),
3356                                  WXUINT WXUNUSED(nCtlColor),
3357                                  WXUINT WXUNUSED(message),
3358                                  WXWPARAM WXUNUSED(wParam),
3359                                  WXLPARAM WXUNUSED(lParam))
3360 {
3361     return (WXHBRUSH)0;
3362 }
3363
3364 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3365 {
3366     wxPaletteChangedEvent event(GetId());
3367     event.SetEventObject(this);
3368     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3369
3370     return GetEventHandler()->ProcessEvent(event);
3371 }
3372
3373 bool wxWindowMSW::HandleQueryNewPalette()
3374 {
3375     wxQueryNewPaletteEvent event(GetId());
3376     event.SetEventObject(this);
3377
3378     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3379 }
3380
3381 // Responds to colour changes: passes event on to children.
3382 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3383 {
3384     wxNode *node = GetChildren().First();
3385     while ( node )
3386     {
3387         // Only propagate to non-top-level windows
3388         wxWindow *win = (wxWindow *)node->Data();
3389         if ( win->GetParent() )
3390         {
3391             wxSysColourChangedEvent event2;
3392             event.m_eventObject = win;
3393             win->GetEventHandler()->ProcessEvent(event2);
3394         }
3395
3396         node = node->Next();
3397     }
3398 }
3399
3400 // ---------------------------------------------------------------------------
3401 // painting
3402 // ---------------------------------------------------------------------------
3403
3404 bool wxWindowMSW::HandlePaint()
3405 {
3406 #ifdef __WIN32__
3407     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3408     if ( !hRegion )
3409         wxLogLastError(wxT("CreateRectRgn"));
3410     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3411         wxLogLastError(wxT("GetUpdateRgn"));
3412
3413     m_updateRegion = wxRegion((WXHRGN) hRegion);
3414 #else // Win16
3415     RECT updateRect;
3416     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3417
3418     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3419                               updateRect.right - updateRect.left,
3420                               updateRect.bottom - updateRect.top);
3421 #endif // Win32/16
3422
3423     wxPaintEvent event(m_windowId);
3424     event.SetEventObject(this);
3425
3426     bool processed = GetEventHandler()->ProcessEvent(event);
3427
3428     // note that we must generate NC event after the normal one as otherwise
3429     // BeginPaint() will happily overwrite our decorations with the background
3430     // colour
3431     wxNcPaintEvent eventNc(m_windowId);
3432     eventNc.SetEventObject(this);
3433     GetEventHandler()->ProcessEvent(eventNc);
3434
3435     return processed;
3436 }
3437
3438 // Can be called from an application's OnPaint handler
3439 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3440 {
3441 #ifdef __WXUNIVERSAL__
3442     event.Skip();
3443 #else
3444     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3445     if (hDC != 0)
3446     {
3447         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3448     }
3449 #endif
3450 }
3451
3452 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3453 {
3454     // Prevents flicker when dragging
3455     if ( ::IsIconic(GetHwnd()) )
3456         return TRUE;
3457
3458     wxDCTemp dc(hdc);
3459
3460     dc.SetHDC(hdc);
3461     dc.SetWindow((wxWindow *)this);
3462     dc.BeginDrawing();
3463
3464     wxEraseEvent event(m_windowId, &dc);
3465     event.SetEventObject(this);
3466     bool rc = GetEventHandler()->ProcessEvent(event);
3467
3468     dc.EndDrawing();
3469
3470     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3471     dc.SelectOldObjects(hdc);
3472
3473     return rc;
3474 }
3475
3476 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3477 {
3478     RECT rect;
3479     ::GetClientRect(GetHwnd(), &rect);
3480
3481     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3482                               m_backgroundColour.Green(),
3483                               m_backgroundColour.Blue());
3484     HBRUSH hBrush = ::CreateSolidBrush(ref);
3485     if ( !hBrush )
3486         wxLogLastError(wxT("CreateSolidBrush"));
3487
3488     HDC hdc = (HDC)event.GetDC()->GetHDC();
3489
3490     int mode = ::SetMapMode(hdc, MM_TEXT);
3491
3492     ::FillRect(hdc, &rect, hBrush);
3493     ::DeleteObject(hBrush);
3494     ::SetMapMode(hdc, mode);
3495 }
3496
3497 // ---------------------------------------------------------------------------
3498 // moving and resizing
3499 // ---------------------------------------------------------------------------
3500
3501 bool wxWindowMSW::HandleMinimize()
3502 {
3503     wxIconizeEvent event(m_windowId);
3504     event.SetEventObject(this);
3505
3506     return GetEventHandler()->ProcessEvent(event);
3507 }
3508
3509 bool wxWindowMSW::HandleMaximize()
3510 {
3511     wxMaximizeEvent event(m_windowId);
3512     event.SetEventObject(this);
3513
3514     return GetEventHandler()->ProcessEvent(event);
3515 }
3516
3517 bool wxWindowMSW::HandleMove(int x, int y)
3518 {
3519     wxMoveEvent event(wxPoint(x, y), m_windowId);
3520     event.SetEventObject(this);
3521
3522     return GetEventHandler()->ProcessEvent(event);
3523 }
3524
3525 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3526 {
3527     wxSizeEvent event(wxSize(w, h), m_windowId);
3528     event.SetEventObject(this);
3529
3530     return GetEventHandler()->ProcessEvent(event);
3531 }
3532
3533 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3534 {
3535     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3536
3537     bool rc = FALSE;
3538
3539     if ( m_minWidth != -1 )
3540     {
3541         info->ptMinTrackSize.x = m_minWidth;
3542         rc = TRUE;
3543     }
3544
3545     if ( m_minHeight != -1 )
3546     {
3547         info->ptMinTrackSize.y = m_minHeight;
3548         rc = TRUE;
3549     }
3550
3551     if ( m_maxWidth != -1 )
3552     {
3553         info->ptMaxTrackSize.x = m_maxWidth;
3554         rc = TRUE;
3555     }
3556
3557     if ( m_maxHeight != -1 )
3558     {
3559         info->ptMaxTrackSize.y = m_maxHeight;
3560         rc = TRUE;
3561     }
3562
3563     return rc;
3564 }
3565
3566 // ---------------------------------------------------------------------------
3567 // command messages
3568 // ---------------------------------------------------------------------------
3569
3570 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3571 {
3572 #if wxUSE_MENUS_NATIVE
3573     if ( wxCurrentPopupMenu )
3574     {
3575         wxMenu *popupMenu = wxCurrentPopupMenu;
3576         wxCurrentPopupMenu = NULL;
3577
3578         return popupMenu->MSWCommand(cmd, id);
3579     }
3580 #endif // wxUSE_MENUS_NATIVE
3581
3582     wxWindow *win = (wxWindow*) NULL;
3583     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3584     {
3585         // must cast to a signed type before comparing with other ids!
3586         win = FindItem((signed short)id);
3587     }
3588
3589     if (!win && control)
3590     {
3591         // find it from HWND - this works even with the broken programs using
3592         // the same ids for different controls
3593         win = wxFindWinFromHandle(control);
3594     }
3595
3596     if ( win )
3597     {
3598         return win->MSWCommand(cmd, id);
3599     }
3600
3601     // the messages sent from the in-place edit control used by the treectrl
3602     // for label editing have id == 0, but they should _not_ be treated as menu
3603     // messages (they are EN_XXX ones, in fact) so don't translate anything
3604     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3605     if ( !control )
3606     {
3607         // If no child window, it may be an accelerator, e.g. for a popup menu
3608         // command
3609
3610         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3611         event.SetEventObject(this);
3612         event.SetId(id);
3613         event.SetInt(id);
3614
3615         return GetEventHandler()->ProcessEvent(event);
3616     }
3617 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3618     else
3619     {
3620         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3621         // notifications to its parent which we want to reflect back to
3622         // wxSpinCtrl
3623         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3624         if ( spin && spin->ProcessTextCommand(cmd, id) )
3625             return TRUE;
3626     }
3627 #endif // wxUSE_SPINCTRL
3628
3629     return FALSE;
3630 }
3631
3632 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3633 {
3634     // 4 bits are reserved
3635     switch ( wParam & 0xFFFFFFF0 )
3636     {
3637         case SC_MAXIMIZE:
3638             return HandleMaximize();
3639
3640         case SC_MINIMIZE:
3641             return HandleMinimize();
3642     }
3643
3644     return FALSE;
3645 }
3646
3647 // ---------------------------------------------------------------------------
3648 // mouse events
3649 // ---------------------------------------------------------------------------
3650
3651 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3652                                  int x, int y,
3653                                  WXUINT flags)
3654 {
3655     // our client coords are not quite the same as Windows ones
3656     wxPoint pt = GetClientAreaOrigin();
3657     event.m_x = x - pt.x;
3658     event.m_y = y - pt.y;
3659
3660     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3661     event.m_controlDown = (flags & MK_CONTROL) != 0;
3662     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3663     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3664     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3665     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3666
3667     event.SetTimestamp(s_currentMsg.time);
3668     event.m_eventObject = this;
3669
3670 #if wxUSE_MOUSEEVENT_HACK
3671     m_lastMouseX = x;
3672     m_lastMouseY = y;
3673     m_lastMouseEvent = event.GetEventType();
3674 #endif // wxUSE_MOUSEEVENT_HACK
3675 }
3676
3677 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3678 {
3679     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3680     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3681     // from the message id and take the value in the table to get wxWin event
3682     // id
3683     static const wxEventType eventsMouse[] =
3684     {
3685         wxEVT_MOTION,
3686         wxEVT_LEFT_DOWN,
3687         wxEVT_LEFT_UP,
3688         wxEVT_LEFT_DCLICK,
3689         wxEVT_RIGHT_DOWN,
3690         wxEVT_RIGHT_UP,
3691         wxEVT_RIGHT_DCLICK,
3692         wxEVT_MIDDLE_DOWN,
3693         wxEVT_MIDDLE_UP,
3694         wxEVT_MIDDLE_DCLICK
3695     };
3696
3697     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3698     InitMouseEvent(event, x, y, flags);
3699
3700     return GetEventHandler()->ProcessEvent(event);
3701 }
3702
3703 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3704 {
3705     if ( !m_mouseInWindow )
3706     {
3707         // it would be wrong to assume that just because we get a mouse move
3708         // event that the mouse is inside the window: although this is usually
3709         // true, it is not if we had captured the mouse, so we need to check
3710         // the mouse coordinates here
3711         if ( !HasCapture() || IsMouseInWindow() )
3712         {
3713             // Generate an ENTER event
3714             m_mouseInWindow = TRUE;
3715
3716             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3717             InitMouseEvent(event, x, y, flags);
3718
3719             (void)GetEventHandler()->ProcessEvent(event);
3720         }
3721     }
3722
3723 #if wxUSE_MOUSEEVENT_HACK
3724     // Window gets a click down message followed by a mouse move message even
3725     // if position isn't changed!  We want to discard the trailing move event
3726     // if x and y are the same.
3727     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3728           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3729           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3730          (m_lastMouseX == x && m_lastMouseY == y) )
3731     {
3732         m_lastMouseEvent = wxEVT_MOTION;
3733
3734         return FALSE;
3735     }
3736 #endif // wxUSE_MOUSEEVENT_HACK
3737
3738     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3739 }
3740
3741
3742 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3743 {
3744 #if wxUSE_MOUSEWHEEL
3745     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3746     InitMouseEvent(event,
3747                    GET_X_LPARAM(lParam),
3748                    GET_Y_LPARAM(lParam),
3749                    LOWORD(wParam));
3750     event.m_wheelRotation = (short)HIWORD(wParam);
3751     event.m_wheelDelta = WHEEL_DELTA;
3752
3753 #ifdef __WIN32__
3754     static int s_linesPerRotation = -1;
3755     if ( s_linesPerRotation == -1 )
3756     {
3757         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3758                                      &s_linesPerRotation, 0))
3759         {
3760             // this is not supposed to happen
3761             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3762
3763             // the default is 3, so use it if SystemParametersInfo() failed
3764             s_linesPerRotation = 3;
3765         }
3766     }
3767 #else // Win16
3768     // no SystemParametersInfo() under Win16
3769     static const int s_linesPerRotation = 3;
3770 #endif
3771
3772     event.m_linesPerAction = s_linesPerRotation;
3773     return GetEventHandler()->ProcessEvent(event);
3774
3775 #else
3776     (void) wParam;
3777     (void) lParam;
3778
3779     return FALSE;
3780 #endif
3781 }
3782
3783
3784 // ---------------------------------------------------------------------------
3785 // keyboard handling
3786 // ---------------------------------------------------------------------------
3787
3788 // create the key event of the given type for the given key - used by
3789 // HandleChar and HandleKeyDown/Up
3790 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3791                                     int id,
3792                                     WXLPARAM lParam) const
3793 {
3794     wxKeyEvent event(evType);
3795     event.SetId(GetId());
3796     event.m_shiftDown = wxIsShiftDown();
3797     event.m_controlDown = wxIsCtrlDown();
3798     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3799
3800     event.m_eventObject = (wxWindow *)this; // const_cast
3801     event.m_keyCode = id;
3802     event.SetTimestamp(s_currentMsg.time);
3803
3804     // translate the position to client coords
3805     POINT pt;
3806     GetCursorPos(&pt);
3807     RECT rect;
3808     GetWindowRect(GetHwnd(),&rect);
3809     pt.x -= rect.left;
3810     pt.y -= rect.top;
3811
3812     event.m_x = pt.x;
3813     event.m_y = pt.y;
3814
3815     return event;
3816 }
3817
3818 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3819 // WM_KEYDOWN one
3820 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3821 {
3822     bool ctrlDown = FALSE;
3823
3824     int id;
3825     if ( isASCII )
3826     {
3827         // If 1 -> 26, translate to CTRL plus a letter.
3828         id = wParam;
3829         if ( (id > 0) && (id < 27) )
3830         {
3831             switch (id)
3832             {
3833                 case 13:
3834                     id = WXK_RETURN;
3835                     break;
3836
3837                 case 8:
3838                     id = WXK_BACK;
3839                     break;
3840
3841                 case 9:
3842                     id = WXK_TAB;
3843                     break;
3844
3845                 default:
3846                     ctrlDown = TRUE;
3847                     id = id + 96;
3848             }
3849         }
3850     }
3851     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3852     {
3853         // it's ASCII and will be processed here only when called from
3854         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3855         id = -1;
3856     }
3857
3858     if ( id != -1 )
3859     {
3860         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3861         if ( ctrlDown )
3862         {
3863             event.m_controlDown = TRUE;
3864         }
3865
3866         if ( GetEventHandler()->ProcessEvent(event) )
3867             return TRUE;
3868     }
3869
3870     return FALSE;
3871 }
3872
3873 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3874 {
3875     int id = wxCharCodeMSWToWX(wParam);
3876
3877     if ( !id )
3878     {
3879         // normal ASCII char
3880         id = wParam;
3881     }
3882
3883     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3884     {
3885         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3886         if ( GetEventHandler()->ProcessEvent(event) )
3887         {
3888             return TRUE;
3889         }
3890     }
3891
3892     return FALSE;
3893 }
3894
3895 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3896 {
3897     int id = wxCharCodeMSWToWX(wParam);
3898
3899     if ( !id )
3900     {
3901         // normal ASCII char
3902         id = wParam;
3903     }
3904
3905     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3906     {
3907         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3908         if ( GetEventHandler()->ProcessEvent(event) )
3909             return TRUE;
3910     }
3911
3912     return FALSE;
3913 }
3914
3915 // ---------------------------------------------------------------------------
3916 // joystick
3917 // ---------------------------------------------------------------------------
3918
3919 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3920 {
3921 #ifdef JOY_BUTTON1
3922     int change = 0;
3923     if ( flags & JOY_BUTTON1CHG )
3924         change = wxJOY_BUTTON1;
3925     if ( flags & JOY_BUTTON2CHG )
3926         change = wxJOY_BUTTON2;
3927     if ( flags & JOY_BUTTON3CHG )
3928         change = wxJOY_BUTTON3;
3929     if ( flags & JOY_BUTTON4CHG )
3930         change = wxJOY_BUTTON4;
3931
3932     int buttons = 0;
3933     if ( flags & JOY_BUTTON1 )
3934         buttons |= wxJOY_BUTTON1;
3935     if ( flags & JOY_BUTTON2 )
3936         buttons |= wxJOY_BUTTON2;
3937     if ( flags & JOY_BUTTON3 )
3938         buttons |= wxJOY_BUTTON3;
3939     if ( flags & JOY_BUTTON4 )
3940         buttons |= wxJOY_BUTTON4;
3941
3942     // the event ids aren't consecutive so we can't use table based lookup
3943     int joystick;
3944     wxEventType eventType;
3945     switch ( msg )
3946     {
3947         case MM_JOY1MOVE:
3948             joystick = 1;
3949             eventType = wxEVT_JOY_MOVE;
3950             break;
3951
3952         case MM_JOY2MOVE:
3953             joystick = 2;
3954             eventType = wxEVT_JOY_MOVE;
3955             break;
3956
3957         case MM_JOY1ZMOVE:
3958             joystick = 1;
3959             eventType = wxEVT_JOY_ZMOVE;
3960             break;
3961
3962         case MM_JOY2ZMOVE:
3963             joystick = 2;
3964             eventType = wxEVT_JOY_ZMOVE;
3965             break;
3966
3967         case MM_JOY1BUTTONDOWN:
3968             joystick = 1;
3969             eventType = wxEVT_JOY_BUTTON_DOWN;
3970             break;
3971
3972         case MM_JOY2BUTTONDOWN:
3973             joystick = 2;
3974             eventType = wxEVT_JOY_BUTTON_DOWN;
3975             break;
3976
3977         case MM_JOY1BUTTONUP:
3978             joystick = 1;
3979             eventType = wxEVT_JOY_BUTTON_UP;
3980             break;
3981
3982         case MM_JOY2BUTTONUP:
3983             joystick = 2;
3984             eventType = wxEVT_JOY_BUTTON_UP;
3985             break;
3986
3987         default:
3988             wxFAIL_MSG(wxT("no such joystick event"));
3989
3990             return FALSE;
3991     }
3992
3993     wxJoystickEvent event(eventType, buttons, joystick, change);
3994     event.SetPosition(wxPoint(x, y));
3995     event.SetEventObject(this);
3996
3997     return GetEventHandler()->ProcessEvent(event);
3998 #else
3999     return FALSE;
4000 #endif
4001 }
4002
4003 // ---------------------------------------------------------------------------
4004 // scrolling
4005 // ---------------------------------------------------------------------------
4006
4007 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
4008                            WXWORD pos, WXHWND control)
4009 {
4010     if ( control )
4011     {
4012         wxWindow *child = wxFindWinFromHandle(control);
4013         if ( child )
4014             return child->MSWOnScroll(orientation, wParam, pos, control);
4015     }
4016
4017     wxScrollWinEvent event;
4018     event.SetPosition(pos);
4019     event.SetOrientation(orientation);
4020     event.m_eventObject = this;
4021
4022     switch ( wParam )
4023     {
4024     case SB_TOP:
4025         event.m_eventType = wxEVT_SCROLLWIN_TOP;
4026         break;
4027
4028     case SB_BOTTOM:
4029         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
4030         break;
4031
4032     case SB_LINEUP:
4033         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
4034         break;
4035
4036     case SB_LINEDOWN:
4037         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
4038         break;
4039
4040     case SB_PAGEUP:
4041         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
4042         break;
4043
4044     case SB_PAGEDOWN:
4045         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
4046         break;
4047
4048     case SB_THUMBPOSITION:
4049     case SB_THUMBTRACK:
4050 #ifdef __WIN32__
4051         // under Win32, the scrollbar range and position are 32 bit integers,
4052         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
4053         // explicitly query the scrollbar for the correct position (this must
4054         // be done only for these two SB_ events as they are the only one
4055         // carrying the scrollbar position)
4056         {
4057             SCROLLINFO scrollInfo;
4058             wxZeroMemory(scrollInfo);
4059             scrollInfo.cbSize = sizeof(SCROLLINFO);
4060             scrollInfo.fMask = SIF_TRACKPOS;
4061
4062             if ( !::GetScrollInfo(GetHwnd(),
4063                                   orientation == wxHORIZONTAL ? SB_HORZ
4064                                                               : SB_VERT,
4065                                   &scrollInfo) )
4066             {
4067                 wxLogLastError(_T("GetScrollInfo"));
4068             }
4069
4070             event.SetPosition(scrollInfo.nTrackPos);
4071         }
4072 #endif // Win32
4073
4074         event.m_eventType = wParam == SB_THUMBPOSITION
4075                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
4076                                 : wxEVT_SCROLLWIN_THUMBTRACK;
4077         break;
4078
4079     default:
4080         return FALSE;
4081     }
4082
4083     return GetEventHandler()->ProcessEvent(event);
4084 }
4085
4086 // ===========================================================================
4087 // global functions
4088 // ===========================================================================
4089
4090 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
4091 {
4092     TEXTMETRIC tm;
4093     HDC dc = ::GetDC((HWND) wnd);
4094     HFONT fnt =0;
4095     HFONT was = 0;
4096     if ( the_font )
4097     {
4098         //    the_font->UseResource();
4099         //    the_font->RealizeResource();
4100         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4101         if ( fnt )
4102             was = (HFONT) SelectObject(dc,fnt);
4103     }
4104     GetTextMetrics(dc, &tm);
4105     if ( the_font && fnt && was )
4106     {
4107         SelectObject(dc,was);
4108     }
4109     ReleaseDC((HWND)wnd, dc);
4110
4111     if ( x )
4112         *x = tm.tmAveCharWidth;
4113     if ( y )
4114         *y = tm.tmHeight + tm.tmExternalLeading;
4115
4116     //  if ( the_font )
4117     //    the_font->ReleaseResource();
4118 }
4119
4120 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4121 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4122 int wxCharCodeMSWToWX(int keySym)
4123 {
4124     int id;
4125     switch (keySym)
4126     {
4127         case VK_CANCEL:     id = WXK_CANCEL; break;
4128         case VK_BACK:       id = WXK_BACK; break;
4129         case VK_TAB:        id = WXK_TAB; break;
4130         case VK_CLEAR:      id = WXK_CLEAR; break;
4131         case VK_RETURN:     id = WXK_RETURN; break;
4132         case VK_SHIFT:      id = WXK_SHIFT; break;
4133         case VK_CONTROL:    id = WXK_CONTROL; break;
4134         case VK_MENU :      id = WXK_MENU; break;
4135         case VK_PAUSE:      id = WXK_PAUSE; break;
4136         case VK_SPACE:      id = WXK_SPACE; break;
4137         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4138         case VK_PRIOR:      id = WXK_PRIOR; break;
4139         case VK_NEXT :      id = WXK_NEXT; break;
4140         case VK_END:        id = WXK_END; break;
4141         case VK_HOME :      id = WXK_HOME; break;
4142         case VK_LEFT :      id = WXK_LEFT; break;
4143         case VK_UP:         id = WXK_UP; break;
4144         case VK_RIGHT:      id = WXK_RIGHT; break;
4145         case VK_DOWN :      id = WXK_DOWN; break;
4146         case VK_SELECT:     id = WXK_SELECT; break;
4147         case VK_PRINT:      id = WXK_PRINT; break;
4148         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4149         case VK_INSERT:     id = WXK_INSERT; break;
4150         case VK_DELETE:     id = WXK_DELETE; break;
4151         case VK_HELP :      id = WXK_HELP; break;
4152         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4153         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4154         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4155         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4156         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4157         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4158         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4159         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4160         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4161         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4162         case VK_MULTIPLY:   id = WXK_MULTIPLY; break;
4163         case 0xBB: // VK_OEM_PLUS
4164         case VK_ADD:        id = WXK_ADD; break;
4165         case 0xBD: // VK_OEM_MINUS
4166         case VK_SUBTRACT:   id = WXK_SUBTRACT; break;
4167         case 0xBE: // VK_OEM_PERIOD
4168         case VK_DECIMAL:    id = WXK_DECIMAL; break;
4169         case VK_DIVIDE:     id = WXK_DIVIDE; break;
4170         case VK_F1:         id = WXK_F1; break;
4171         case VK_F2:         id = WXK_F2; break;
4172         case VK_F3:         id = WXK_F3; break;
4173         case VK_F4:         id = WXK_F4; break;
4174         case VK_F5:         id = WXK_F5; break;
4175         case VK_F6:         id = WXK_F6; break;
4176         case VK_F7:         id = WXK_F7; break;
4177         case VK_F8:         id = WXK_F8; break;
4178         case VK_F9:         id = WXK_F9; break;
4179         case VK_F10:        id = WXK_F10; break;
4180         case VK_F11:        id = WXK_F11; break;
4181         case VK_F12:        id = WXK_F12; break;
4182         case VK_F13:        id = WXK_F13; break;
4183         case VK_F14:        id = WXK_F14; break;
4184         case VK_F15:        id = WXK_F15; break;
4185         case VK_F16:        id = WXK_F16; break;
4186         case VK_F17:        id = WXK_F17; break;
4187         case VK_F18:        id = WXK_F18; break;
4188         case VK_F19:        id = WXK_F19; break;
4189         case VK_F20:        id = WXK_F20; break;
4190         case VK_F21:        id = WXK_F21; break;
4191         case VK_F22:        id = WXK_F22; break;
4192         case VK_F23:        id = WXK_F23; break;
4193         case VK_F24:        id = WXK_F24; break;
4194         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4195         case VK_SCROLL:     id = WXK_SCROLL; break;
4196         default:
4197             id = 0;
4198     }
4199
4200     return id;
4201 }
4202
4203 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4204 {
4205     *isVirtual = TRUE;
4206     int keySym = 0;
4207     switch (id)
4208     {
4209     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4210     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4211     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4212     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4213     case WXK_MENU :     keySym = VK_MENU; break;
4214     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4215     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4216     case WXK_NEXT :     keySym = VK_NEXT; break;
4217     case WXK_END:       keySym = VK_END; break;
4218     case WXK_HOME :     keySym = VK_HOME; break;
4219     case WXK_LEFT :     keySym = VK_LEFT; break;
4220     case WXK_UP:        keySym = VK_UP; break;
4221     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4222     case WXK_DOWN :     keySym = VK_DOWN; break;
4223     case WXK_SELECT:    keySym = VK_SELECT; break;
4224     case WXK_PRINT:     keySym = VK_PRINT; break;
4225     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4226     case WXK_INSERT:    keySym = VK_INSERT; break;
4227     case WXK_DELETE:    keySym = VK_DELETE; break;
4228     case WXK_HELP :     keySym = VK_HELP; break;
4229     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4230     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4231     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4232     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4233     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4234     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4235     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4236     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4237     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4238     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4239     case WXK_MULTIPLY:  keySym = VK_MULTIPLY; break;
4240     case WXK_ADD:       keySym = VK_ADD; break;
4241     case WXK_SUBTRACT:  keySym = VK_SUBTRACT; break;
4242     case WXK_DECIMAL:   keySym = VK_DECIMAL; break;
4243     case WXK_DIVIDE:    keySym = VK_DIVIDE; break;
4244     case WXK_F1:        keySym = VK_F1; break;
4245     case WXK_F2:        keySym = VK_F2; break;
4246     case WXK_F3:        keySym = VK_F3; break;
4247     case WXK_F4:        keySym = VK_F4; break;
4248     case WXK_F5:        keySym = VK_F5; break;
4249     case WXK_F6:        keySym = VK_F6; break;
4250     case WXK_F7:        keySym = VK_F7; break;
4251     case WXK_F8:        keySym = VK_F8; break;
4252     case WXK_F9:        keySym = VK_F9; break;
4253     case WXK_F10:       keySym = VK_F10; break;
4254     case WXK_F11:       keySym = VK_F11; break;
4255     case WXK_F12:       keySym = VK_F12; break;
4256     case WXK_F13:       keySym = VK_F13; break;
4257     case WXK_F14:       keySym = VK_F14; break;
4258     case WXK_F15:       keySym = VK_F15; break;
4259     case WXK_F16:       keySym = VK_F16; break;
4260     case WXK_F17:       keySym = VK_F17; break;
4261     case WXK_F18:       keySym = VK_F18; break;
4262     case WXK_F19:       keySym = VK_F19; break;
4263     case WXK_F20:       keySym = VK_F20; break;
4264     case WXK_F21:       keySym = VK_F21; break;
4265     case WXK_F22:       keySym = VK_F22; break;
4266     case WXK_F23:       keySym = VK_F23; break;
4267     case WXK_F24:       keySym = VK_F24; break;
4268     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4269     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4270     default:
4271         {
4272             *isVirtual = FALSE;
4273             keySym = id;
4274             break;
4275         }
4276     }
4277     return keySym;
4278 }
4279
4280 wxWindow *wxGetActiveWindow()
4281 {
4282     HWND hWnd = GetActiveWindow();
4283     if ( hWnd != 0 )
4284     {
4285         return wxFindWinFromHandle((WXHWND) hWnd);
4286     }
4287     return NULL;
4288 }
4289
4290 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4291 {
4292     HWND hwnd = (HWND)hWnd;
4293
4294     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4295     // by code in msw/radiobox.cpp), for all the others we just search up the
4296     // window hierarchy
4297     wxWindow *win = (wxWindow *)NULL;
4298     if ( hwnd )
4299     {
4300         win = wxFindWinFromHandle((WXHWND)hwnd);
4301         if ( !win )
4302         {
4303             // all these hacks only work under Win32 anyhow
4304 #ifdef __WIN32__
4305
4306 #if wxUSE_RADIOBOX
4307             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4308             // wxWindow class which overrides WM_GETDLGCODE processing to
4309             // do it as well, win would be already non NULL
4310             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4311             {
4312                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4313             }
4314             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4315 #endif // wxUSE_RADIOBOX
4316
4317             // spin control text buddy window should be mapped to spin ctrl
4318             // itself so try it too
4319 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4320             if ( !win )
4321             {
4322                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4323             }
4324 #endif // wxUSE_SPINCTRL
4325
4326 #endif // Win32
4327
4328             if ( !win )
4329             {
4330                 // hwnd is not a wxWindow, try its parent next below
4331                 hwnd = ::GetParent(hwnd);
4332             }
4333         }
4334     }
4335
4336     while ( hwnd && !win )
4337     {
4338         win = wxFindWinFromHandle((WXHWND)hwnd);
4339         hwnd = ::GetParent(hwnd);
4340     }
4341
4342     return win;
4343 }
4344
4345 #ifndef __WXMICROWIN__
4346
4347 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4348 // in active frames and dialogs, regardless of where the focus is.
4349 static HHOOK wxTheKeyboardHook = 0;
4350 static FARPROC wxTheKeyboardHookProc = 0;
4351 int APIENTRY _EXPORT
4352 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4353
4354 void wxSetKeyboardHook(bool doIt)
4355 {
4356     if ( doIt )
4357     {
4358         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4359         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4360
4361 #if defined(__WIN32__) && !defined(__TWIN32__)
4362             GetCurrentThreadId()
4363         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4364 #else
4365             GetCurrentTask()
4366 #endif
4367             );
4368     }
4369     else
4370     {
4371         UnhookWindowsHookEx(wxTheKeyboardHook);
4372
4373         // avoids warning about statement with no effect (FreeProcInstance
4374         // doesn't do anything under Win32)
4375 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4376         FreeProcInstance(wxTheKeyboardHookProc);
4377 #endif
4378     }
4379 }
4380
4381 int APIENTRY _EXPORT
4382 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4383 {
4384     DWORD hiWord = HIWORD(lParam);
4385     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4386     {
4387         int id = wxCharCodeMSWToWX(wParam);
4388         if ( id != 0 )
4389         {
4390             wxKeyEvent event(wxEVT_CHAR_HOOK);
4391             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4392                 event.m_altDown = TRUE;
4393
4394             event.m_eventObject = NULL;
4395             event.m_keyCode = id;
4396             event.m_shiftDown = wxIsShiftDown();
4397             event.m_controlDown = wxIsCtrlDown();
4398             event.SetTimestamp(s_currentMsg.time);
4399
4400             wxWindow *win = wxGetActiveWindow();
4401             wxEvtHandler *handler;
4402             if ( win )
4403             {
4404                 handler = win->GetEventHandler();
4405                 event.SetId(win->GetId());
4406             }
4407             else
4408             {
4409                 handler = wxTheApp;
4410                 event.SetId(-1);
4411             }
4412
4413             if ( handler && handler->ProcessEvent(event) )
4414             {
4415                 // processed
4416                 return 1;
4417             }
4418         }
4419     }
4420
4421     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4422 }
4423 #endif
4424
4425 #ifdef __WXDEBUG__
4426 const char *wxGetMessageName(int message)
4427 {
4428     switch ( message )
4429     {
4430         case 0x0000: return "WM_NULL";
4431         case 0x0001: return "WM_CREATE";
4432         case 0x0002: return "WM_DESTROY";
4433         case 0x0003: return "WM_MOVE";
4434         case 0x0005: return "WM_SIZE";
4435         case 0x0006: return "WM_ACTIVATE";
4436         case 0x0007: return "WM_SETFOCUS";
4437         case 0x0008: return "WM_KILLFOCUS";
4438         case 0x000A: return "WM_ENABLE";
4439         case 0x000B: return "WM_SETREDRAW";
4440         case 0x000C: return "WM_SETTEXT";
4441         case 0x000D: return "WM_GETTEXT";
4442         case 0x000E: return "WM_GETTEXTLENGTH";
4443         case 0x000F: return "WM_PAINT";
4444         case 0x0010: return "WM_CLOSE";
4445         case 0x0011: return "WM_QUERYENDSESSION";
4446         case 0x0012: return "WM_QUIT";
4447         case 0x0013: return "WM_QUERYOPEN";
4448         case 0x0014: return "WM_ERASEBKGND";
4449         case 0x0015: return "WM_SYSCOLORCHANGE";
4450         case 0x0016: return "WM_ENDSESSION";
4451         case 0x0017: return "WM_SYSTEMERROR";
4452         case 0x0018: return "WM_SHOWWINDOW";
4453         case 0x0019: return "WM_CTLCOLOR";
4454         case 0x001A: return "WM_WININICHANGE";
4455         case 0x001B: return "WM_DEVMODECHANGE";
4456         case 0x001C: return "WM_ACTIVATEAPP";
4457         case 0x001D: return "WM_FONTCHANGE";
4458         case 0x001E: return "WM_TIMECHANGE";
4459         case 0x001F: return "WM_CANCELMODE";
4460         case 0x0020: return "WM_SETCURSOR";
4461         case 0x0021: return "WM_MOUSEACTIVATE";
4462         case 0x0022: return "WM_CHILDACTIVATE";
4463         case 0x0023: return "WM_QUEUESYNC";
4464         case 0x0024: return "WM_GETMINMAXINFO";
4465         case 0x0026: return "WM_PAINTICON";
4466         case 0x0027: return "WM_ICONERASEBKGND";
4467         case 0x0028: return "WM_NEXTDLGCTL";
4468         case 0x002A: return "WM_SPOOLERSTATUS";
4469         case 0x002B: return "WM_DRAWITEM";
4470         case 0x002C: return "WM_MEASUREITEM";
4471         case 0x002D: return "WM_DELETEITEM";
4472         case 0x002E: return "WM_VKEYTOITEM";
4473         case 0x002F: return "WM_CHARTOITEM";
4474         case 0x0030: return "WM_SETFONT";
4475         case 0x0031: return "WM_GETFONT";
4476         case 0x0037: return "WM_QUERYDRAGICON";
4477         case 0x0039: return "WM_COMPAREITEM";
4478         case 0x0041: return "WM_COMPACTING";
4479         case 0x0044: return "WM_COMMNOTIFY";
4480         case 0x0046: return "WM_WINDOWPOSCHANGING";
4481         case 0x0047: return "WM_WINDOWPOSCHANGED";
4482         case 0x0048: return "WM_POWER";
4483
4484 #ifdef  __WIN32__
4485         case 0x004A: return "WM_COPYDATA";
4486         case 0x004B: return "WM_CANCELJOURNAL";
4487         case 0x004E: return "WM_NOTIFY";
4488         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4489         case 0x0051: return "WM_INPUTLANGCHANGE";
4490         case 0x0052: return "WM_TCARD";
4491         case 0x0053: return "WM_HELP";
4492         case 0x0054: return "WM_USERCHANGED";
4493         case 0x0055: return "WM_NOTIFYFORMAT";
4494         case 0x007B: return "WM_CONTEXTMENU";
4495         case 0x007C: return "WM_STYLECHANGING";
4496         case 0x007D: return "WM_STYLECHANGED";
4497         case 0x007E: return "WM_DISPLAYCHANGE";
4498         case 0x007F: return "WM_GETICON";
4499         case 0x0080: return "WM_SETICON";
4500 #endif  //WIN32
4501
4502         case 0x0081: return "WM_NCCREATE";
4503         case 0x0082: return "WM_NCDESTROY";
4504         case 0x0083: return "WM_NCCALCSIZE";
4505         case 0x0084: return "WM_NCHITTEST";
4506         case 0x0085: return "WM_NCPAINT";
4507         case 0x0086: return "WM_NCACTIVATE";
4508         case 0x0087: return "WM_GETDLGCODE";
4509         case 0x00A0: return "WM_NCMOUSEMOVE";
4510         case 0x00A1: return "WM_NCLBUTTONDOWN";
4511         case 0x00A2: return "WM_NCLBUTTONUP";
4512         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4513         case 0x00A4: return "WM_NCRBUTTONDOWN";
4514         case 0x00A5: return "WM_NCRBUTTONUP";
4515         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4516         case 0x00A7: return "WM_NCMBUTTONDOWN";
4517         case 0x00A8: return "WM_NCMBUTTONUP";
4518         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4519         case 0x0100: return "WM_KEYDOWN";
4520         case 0x0101: return "WM_KEYUP";
4521         case 0x0102: return "WM_CHAR";
4522         case 0x0103: return "WM_DEADCHAR";
4523         case 0x0104: return "WM_SYSKEYDOWN";
4524         case 0x0105: return "WM_SYSKEYUP";
4525         case 0x0106: return "WM_SYSCHAR";
4526         case 0x0107: return "WM_SYSDEADCHAR";
4527         case 0x0108: return "WM_KEYLAST";
4528
4529 #ifdef  __WIN32__
4530         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4531         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4532         case 0x010F: return "WM_IME_COMPOSITION";
4533 #endif  //WIN32
4534
4535         case 0x0110: return "WM_INITDIALOG";
4536         case 0x0111: return "WM_COMMAND";
4537         case 0x0112: return "WM_SYSCOMMAND";
4538         case 0x0113: return "WM_TIMER";
4539         case 0x0114: return "WM_HSCROLL";
4540         case 0x0115: return "WM_VSCROLL";
4541         case 0x0116: return "WM_INITMENU";
4542         case 0x0117: return "WM_INITMENUPOPUP";
4543         case 0x011F: return "WM_MENUSELECT";
4544         case 0x0120: return "WM_MENUCHAR";
4545         case 0x0121: return "WM_ENTERIDLE";
4546         case 0x0200: return "WM_MOUSEMOVE";
4547         case 0x0201: return "WM_LBUTTONDOWN";
4548         case 0x0202: return "WM_LBUTTONUP";
4549         case 0x0203: return "WM_LBUTTONDBLCLK";
4550         case 0x0204: return "WM_RBUTTONDOWN";
4551         case 0x0205: return "WM_RBUTTONUP";
4552         case 0x0206: return "WM_RBUTTONDBLCLK";
4553         case 0x0207: return "WM_MBUTTONDOWN";
4554         case 0x0208: return "WM_MBUTTONUP";
4555         case 0x0209: return "WM_MBUTTONDBLCLK";
4556         case 0x020A: return "WM_MOUSEWHEEL";
4557         case 0x0210: return "WM_PARENTNOTIFY";
4558         case 0x0211: return "WM_ENTERMENULOOP";
4559         case 0x0212: return "WM_EXITMENULOOP";
4560
4561 #ifdef  __WIN32__
4562         case 0x0213: return "WM_NEXTMENU";
4563         case 0x0214: return "WM_SIZING";
4564         case 0x0215: return "WM_CAPTURECHANGED";
4565         case 0x0216: return "WM_MOVING";
4566         case 0x0218: return "WM_POWERBROADCAST";
4567         case 0x0219: return "WM_DEVICECHANGE";
4568 #endif  //WIN32
4569
4570         case 0x0220: return "WM_MDICREATE";
4571         case 0x0221: return "WM_MDIDESTROY";
4572         case 0x0222: return "WM_MDIACTIVATE";
4573         case 0x0223: return "WM_MDIRESTORE";
4574         case 0x0224: return "WM_MDINEXT";
4575         case 0x0225: return "WM_MDIMAXIMIZE";
4576         case 0x0226: return "WM_MDITILE";
4577         case 0x0227: return "WM_MDICASCADE";
4578         case 0x0228: return "WM_MDIICONARRANGE";
4579         case 0x0229: return "WM_MDIGETACTIVE";
4580         case 0x0230: return "WM_MDISETMENU";
4581         case 0x0233: return "WM_DROPFILES";
4582
4583 #ifdef  __WIN32__
4584         case 0x0281: return "WM_IME_SETCONTEXT";
4585         case 0x0282: return "WM_IME_NOTIFY";
4586         case 0x0283: return "WM_IME_CONTROL";
4587         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4588         case 0x0285: return "WM_IME_SELECT";
4589         case 0x0286: return "WM_IME_CHAR";
4590         case 0x0290: return "WM_IME_KEYDOWN";
4591         case 0x0291: return "WM_IME_KEYUP";
4592 #endif  //WIN32
4593
4594         case 0x0300: return "WM_CUT";
4595         case 0x0301: return "WM_COPY";
4596         case 0x0302: return "WM_PASTE";
4597         case 0x0303: return "WM_CLEAR";
4598         case 0x0304: return "WM_UNDO";
4599         case 0x0305: return "WM_RENDERFORMAT";
4600         case 0x0306: return "WM_RENDERALLFORMATS";
4601         case 0x0307: return "WM_DESTROYCLIPBOARD";
4602         case 0x0308: return "WM_DRAWCLIPBOARD";
4603         case 0x0309: return "WM_PAINTCLIPBOARD";
4604         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4605         case 0x030B: return "WM_SIZECLIPBOARD";
4606         case 0x030C: return "WM_ASKCBFORMATNAME";
4607         case 0x030D: return "WM_CHANGECBCHAIN";
4608         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4609         case 0x030F: return "WM_QUERYNEWPALETTE";
4610         case 0x0310: return "WM_PALETTEISCHANGING";
4611         case 0x0311: return "WM_PALETTECHANGED";
4612
4613 #ifdef __WIN32__
4614         // common controls messages - although they're not strictly speaking
4615         // standard, it's nice to decode them nevertheless
4616
4617         // listview
4618         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4619         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4620         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4621         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4622         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4623         case 0x1000 + 5: return "LVM_GETITEMA";
4624         case 0x1000 + 75: return "LVM_GETITEMW";
4625         case 0x1000 + 6: return "LVM_SETITEMA";
4626         case 0x1000 + 76: return "LVM_SETITEMW";
4627         case 0x1000 + 7: return "LVM_INSERTITEMA";
4628         case 0x1000 + 77: return "LVM_INSERTITEMW";
4629         case 0x1000 + 8: return "LVM_DELETEITEM";
4630         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4631         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4632         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4633         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4634         case 0x1000 + 13: return "LVM_FINDITEMA";
4635         case 0x1000 + 83: return "LVM_FINDITEMW";
4636         case 0x1000 + 14: return "LVM_GETITEMRECT";
4637         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4638         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4639         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4640         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4641         case 0x1000 + 18: return "LVM_HITTEST";
4642         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4643         case 0x1000 + 20: return "LVM_SCROLL";
4644         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4645         case 0x1000 + 22: return "LVM_ARRANGE";
4646         case 0x1000 + 23: return "LVM_EDITLABELA";
4647         case 0x1000 + 118: return "LVM_EDITLABELW";
4648         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4649         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4650         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4651         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4652         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4653         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4654         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4655         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4656         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4657         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4658         case 0x1000 + 31: return "LVM_GETHEADER";
4659         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4660         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4661         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4662         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4663         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4664         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4665         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4666         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4667         case 0x1000 + 41: return "LVM_GETORIGIN";
4668         case 0x1000 + 42: return "LVM_UPDATE";
4669         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4670         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4671         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4672         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4673         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4674         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4675         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4676         case 0x1000 + 48: return "LVM_SORTITEMS";
4677         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4678         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4679         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4680         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4681         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4682         case 0x1000 + 53: return "LVM_SETICONSPACING";
4683         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4684         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4685         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4686         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4687         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4688         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4689         case 0x1000 + 60: return "LVM_SETHOTITEM";
4690         case 0x1000 + 61: return "LVM_GETHOTITEM";
4691         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4692         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4693         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4694         case 0x1000 + 65: return "LVM_SETWORKAREA";
4695
4696         // tree view
4697         case 0x1100 + 0: return "TVM_INSERTITEMA";
4698         case 0x1100 + 50: return "TVM_INSERTITEMW";
4699         case 0x1100 + 1: return "TVM_DELETEITEM";
4700         case 0x1100 + 2: return "TVM_EXPAND";
4701         case 0x1100 + 4: return "TVM_GETITEMRECT";
4702         case 0x1100 + 5: return "TVM_GETCOUNT";
4703         case 0x1100 + 6: return "TVM_GETINDENT";
4704         case 0x1100 + 7: return "TVM_SETINDENT";
4705         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4706         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4707         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4708         case 0x1100 + 11: return "TVM_SELECTITEM";
4709         case 0x1100 + 12: return "TVM_GETITEMA";
4710         case 0x1100 + 62: return "TVM_GETITEMW";
4711         case 0x1100 + 13: return "TVM_SETITEMA";
4712         case 0x1100 + 63: return "TVM_SETITEMW";
4713         case 0x1100 + 14: return "TVM_EDITLABELA";
4714         case 0x1100 + 65: return "TVM_EDITLABELW";
4715         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4716         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4717         case 0x1100 + 17: return "TVM_HITTEST";
4718         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4719         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4720         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4721         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4722         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4723         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4724         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4725         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4726         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4727
4728         // header
4729         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4730         case 0x1200 + 1: return "HDM_INSERTITEMA";
4731         case 0x1200 + 10: return "HDM_INSERTITEMW";
4732         case 0x1200 + 2: return "HDM_DELETEITEM";
4733         case 0x1200 + 3: return "HDM_GETITEMA";
4734         case 0x1200 + 11: return "HDM_GETITEMW";
4735         case 0x1200 + 4: return "HDM_SETITEMA";
4736         case 0x1200 + 12: return "HDM_SETITEMW";
4737         case 0x1200 + 5: return "HDM_LAYOUT";
4738         case 0x1200 + 6: return "HDM_HITTEST";
4739         case 0x1200 + 7: return "HDM_GETITEMRECT";
4740         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4741         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4742         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4743         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4744         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4745         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4746         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4747
4748         // tab control
4749         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4750         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4751         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4752         case 0x1300 + 5: return "TCM_GETITEMA";
4753         case 0x1300 + 60: return "TCM_GETITEMW";
4754         case 0x1300 + 6: return "TCM_SETITEMA";
4755         case 0x1300 + 61: return "TCM_SETITEMW";
4756         case 0x1300 + 7: return "TCM_INSERTITEMA";
4757         case 0x1300 + 62: return "TCM_INSERTITEMW";
4758         case 0x1300 + 8: return "TCM_DELETEITEM";
4759         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4760         case 0x1300 + 10: return "TCM_GETITEMRECT";
4761         case 0x1300 + 11: return "TCM_GETCURSEL";
4762         case 0x1300 + 12: return "TCM_SETCURSEL";
4763         case 0x1300 + 13: return "TCM_HITTEST";
4764         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4765         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4766         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4767         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4768         case 0x1300 + 43: return "TCM_SETPADDING";
4769         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4770         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4771         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4772         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4773         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4774         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4775         case 0x1300 + 50: return "TCM_DESELECTALL";
4776
4777         // toolbar
4778         case WM_USER+1: return "TB_ENABLEBUTTON";
4779         case WM_USER+2: return "TB_CHECKBUTTON";
4780         case WM_USER+3: return "TB_PRESSBUTTON";
4781         case WM_USER+4: return "TB_HIDEBUTTON";
4782         case WM_USER+5: return "TB_INDETERMINATE";
4783         case WM_USER+9: return "TB_ISBUTTONENABLED";
4784         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4785         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4786         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4787         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4788         case WM_USER+17: return "TB_SETSTATE";
4789         case WM_USER+18: return "TB_GETSTATE";
4790         case WM_USER+19: return "TB_ADDBITMAP";
4791         case WM_USER+20: return "TB_ADDBUTTONS";
4792         case WM_USER+21: return "TB_INSERTBUTTON";
4793         case WM_USER+22: return "TB_DELETEBUTTON";
4794         case WM_USER+23: return "TB_GETBUTTON";
4795         case WM_USER+24: return "TB_BUTTONCOUNT";
4796         case WM_USER+25: return "TB_COMMANDTOINDEX";
4797         case WM_USER+26: return "TB_SAVERESTOREA";
4798         case WM_USER+76: return "TB_SAVERESTOREW";
4799         case WM_USER+27: return "TB_CUSTOMIZE";
4800         case WM_USER+28: return "TB_ADDSTRINGA";
4801         case WM_USER+77: return "TB_ADDSTRINGW";
4802         case WM_USER+29: return "TB_GETITEMRECT";
4803         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4804         case WM_USER+31: return "TB_SETBUTTONSIZE";
4805         case WM_USER+32: return "TB_SETBITMAPSIZE";
4806         case WM_USER+33: return "TB_AUTOSIZE";
4807         case WM_USER+35: return "TB_GETTOOLTIPS";
4808         case WM_USER+36: return "TB_SETTOOLTIPS";
4809         case WM_USER+37: return "TB_SETPARENT";
4810         case WM_USER+39: return "TB_SETROWS";
4811         case WM_USER+40: return "TB_GETROWS";
4812         case WM_USER+42: return "TB_SETCMDID";
4813         case WM_USER+43: return "TB_CHANGEBITMAP";
4814         case WM_USER+44: return "TB_GETBITMAP";
4815         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4816         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4817         case WM_USER+46: return "TB_REPLACEBITMAP";
4818         case WM_USER+47: return "TB_SETINDENT";
4819         case WM_USER+48: return "TB_SETIMAGELIST";
4820         case WM_USER+49: return "TB_GETIMAGELIST";
4821         case WM_USER+50: return "TB_LOADIMAGES";
4822         case WM_USER+51: return "TB_GETRECT";
4823         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4824         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4825         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4826         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4827         case WM_USER+56: return "TB_SETSTYLE";
4828         case WM_USER+57: return "TB_GETSTYLE";
4829         case WM_USER+58: return "TB_GETBUTTONSIZE";
4830         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4831         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4832         case WM_USER+61: return "TB_GETTEXTROWS";
4833         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4834
4835 #endif //WIN32
4836
4837         default:
4838             static char s_szBuf[128];
4839             sprintf(s_szBuf, "<unknown message = %d>", message);
4840             return s_szBuf;
4841     }
4842 }
4843 #endif //__WXDEBUG__
4844
4845 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4846                                      int *x, int *y, WPARAM *flags)
4847 {
4848     // construct the key mask
4849     WPARAM& fwKeys = *flags;
4850
4851     fwKeys = MK_RBUTTON;
4852     if ( wxIsCtrlDown() )
4853         fwKeys |= MK_CONTROL;
4854     if ( wxIsShiftDown() )
4855         fwKeys |= MK_SHIFT;
4856
4857     // simulate right mouse button click
4858     DWORD dwPos = ::GetMessagePos();
4859     *x = GET_X_LPARAM(dwPos);
4860     *y = GET_Y_LPARAM(dwPos);
4861
4862     win->ScreenToClient(x, y);
4863 }
4864
4865 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4866 {
4867     // prepare the DC
4868     TEXTMETRIC tm;
4869     HWND hwnd = GetHwndOf(win);
4870     HDC hdc = ::GetDC(hwnd);
4871
4872 #if !wxDIALOG_UNIT_COMPATIBILITY
4873     // and select the current font into it
4874     HFONT hfont = GetHfontOf(win->GetFont());
4875     if ( hfont )
4876     {
4877         hfont = (HFONT)::SelectObject(hdc, hfont);
4878     }
4879 #endif
4880
4881     // finally retrieve the text metrics from it
4882     GetTextMetrics(hdc, &tm);
4883
4884 #if !wxDIALOG_UNIT_COMPATIBILITY
4885     // and clean up
4886     if ( hfont )
4887     {
4888         (void)::SelectObject(hdc, hfont);
4889     }
4890 #endif
4891
4892     ::ReleaseDC(hwnd, hdc);
4893
4894     return tm;
4895 }
4896
4897 // Find the wxWindow at the current mouse position, returning the mouse
4898 // position.
4899 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4900 {
4901     return wxFindWindowAtPoint(wxGetMousePosition());
4902 }
4903
4904 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4905 {
4906     POINT pt2;
4907     pt2.x = pt.x;
4908     pt2.y = pt.y;
4909     HWND hWndHit = ::WindowFromPoint(pt2);
4910
4911     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4912     HWND hWnd = hWndHit;
4913
4914     // Try to find a window with a wxWindow associated with it
4915     while (!win && (hWnd != 0))
4916     {
4917         hWnd = ::GetParent(hWnd);
4918         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4919     }
4920     return win;
4921 }
4922
4923 // Get the current mouse position.
4924 wxPoint wxGetMousePosition()
4925 {
4926     POINT pt;
4927     GetCursorPos( & pt );
4928     return wxPoint(pt.x, pt.y);
4929 }
4930