src/msw/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34     #include "wx/window.h"
  35     #include "wx/accel.h"
  36     #include "wx/setup.h"
  37     #include "wx/menu.h"
  38     #include "wx/dc.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/utils.h"
  41     #include "wx/app.h"
  42     #include "wx/layout.h"
  43     #include "wx/dialog.h"
  44     #include "wx/frame.h"
  45     #include "wx/listbox.h"
  46     #include "wx/button.h"
  47     #include "wx/msgdlg.h"
  48     #include "wx/settings.h"
  49     #include "wx/statbox.h"
  50 #endif
  51
  52 #if wxUSE_OWNER_DRAWN
  53     #include "wx/ownerdrw.h"
  54 #endif
  55
  56 #if wxUSE_DRAG_AND_DROP
  57     #include "wx/dnd.h"
  58 #endif
  59
  60 #include "wx/menuitem.h"
  61 #include "wx/log.h"
  62
  63 #include "wx/msw/private.h"
  64
  65 #if wxUSE_TOOLTIPS
  66     #include "wx/tooltip.h"
  67 #endif
  68
  69 #if wxUSE_CARET
  70     #include "wx/caret.h"
  71 #endif // wxUSE_CARET
  72
  73 #if wxUSE_SPINCTRL
  74     #include "wx/spinctrl.h"
  75 #endif // wxUSE_SPINCTRL
  76
  77 #include "wx/intl.h"
  78 #include "wx/log.h"
  79
  80 #include "wx/textctrl.h"
  81 #include "wx/notebook.h"
  82
  83 #include <string.h>
  84
  85 #if (!defined(__GNUWIN32_OLD__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  86     #include <shellapi.h>
  87     #include <mmsystem.h>
  88 #endif
  89
  90 #ifdef __WIN32__
  91     #include <windowsx.h>
  92 #endif
  93
  94 #if (!defined(__GNUWIN32_OLD__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__)) || defined(__CYGWIN10__)
  95     #ifdef __WIN95__
  96         #include <commctrl.h>
  97     #endif
  98 #elif !defined(__WXMICROWIN__) // broken compiler
  99     #ifndef __TWIN32__
 100         #include "wx/msw/gnuwin32/extra.h"
 101     #endif
 102 #endif
 103
 104 // This didn't appear in mingw until 2.95.2
 105 #ifndef SIF_TRACKPOS
 106 #define SIF_TRACKPOS 16
 107 #endif
 108
 109 #if wxUSE_MOUSEWHEEL
 110     #ifndef WM_MOUSEWHEEL
 111         #define WM_MOUSEWHEEL           0x020A
 112     #endif
 113     #ifndef WHEEL_DELTA
 114         #define WHEEL_DELTA             120
 115     #endif
 116     #ifndef SPI_GETWHEELSCROLLLINES
 117         #define SPI_GETWHEELSCROLLLINES 104
 118     #endif
 119 #endif
 120
 121
 122 // ---------------------------------------------------------------------------
 123 // global variables
 124 // ---------------------------------------------------------------------------
 125
 126 // the last Windows message we got (MT-UNSAFE)
 127 extern MSG s_currentMsg;
 128
 129 #if wxUSE_MENUS_NATIVE
 130 wxMenu *wxCurrentPopupMenu = NULL;
 131 #endif // wxUSE_MENUS_NATIVE
 132
 133 extern const wxChar *wxCanvasClassName;
 134
 135 // ---------------------------------------------------------------------------
 136 // private functions
 137 // ---------------------------------------------------------------------------
 138
 139 // the window proc for all our windows
 140 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
 141                                    WPARAM wParam, LPARAM lParam);
 142
 143 #ifdef  __WXDEBUG__
 144     const char *wxGetMessageName(int message);
 145 #endif  //__WXDEBUG__
 146
 147 void wxRemoveHandleAssociation(wxWindowMSW *win);
 148 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
 149 wxWindow *wxFindWinFromHandle(WXHWND hWnd);
 150
 151 // this magical function is used to translate VK_APPS key presses to right
 152 // mouse clicks
 153 static void TranslateKbdEventToMouse(wxWindowMSW *win,
 154                                      int *x, int *y, WPARAM *flags);
 155
 156 // get the text metrics for the current font
 157 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win);
 158
 159 // wrapper around BringWindowToTop() API
 160 static inline void wxBringWindowToTop(HWND hwnd)
 161 {
 162 #ifdef __WXMICROWIN__
 163     // It seems that MicroWindows brings the _parent_ of the window to the top,
 164     // which can be the wrong one.
 165
 166     // activate (set focus to) specified window
 167     ::SetFocus(hwnd);
 168
 169     // raise top level parent to top of z order
 170     ::SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
 171 #else // !__WXMICROWIN__
 172     if ( !::BringWindowToTop(hwnd) )
 173     {
 174         wxLogLastError(_T("BringWindowToTop"));
 175     }
 176 #endif // __WXMICROWIN__/!__WXMICROWIN__
 177 }
 178
 179 // ---------------------------------------------------------------------------
 180 // event tables
 181 // ---------------------------------------------------------------------------
 182
 183 // in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu()
 184 // method
 185 #ifdef __WXUNIVERSAL__
 186     IMPLEMENT_ABSTRACT_CLASS(wxWindowMSW, wxWindowBase)
 187 #else // __WXMSW__
 188     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 189 #endif // __WXUNIVERSAL__/__WXMSW__
 190
 191 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
 192     EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 193     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 194     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 195     EVT_IDLE(wxWindowMSW::OnIdle)
 196 END_EVENT_TABLE()
 197
 198 // ===========================================================================
 199 // implementation
 200 // ===========================================================================
 201
 202 // ---------------------------------------------------------------------------
 203 // wxWindow utility functions
 204 // ---------------------------------------------------------------------------
 205
 206 // Find an item given the MS Windows id
 207 wxWindow *wxWindowMSW::FindItem(long id) const
 208 {
 209 #if wxUSE_CONTROLS
 210     wxControl *item = wxDynamicCastThis(wxControl);
 211     if ( item )
 212     {
 213         // is it we or one of our "internal" children?
 214         if ( item->GetId() == id
 215 #ifndef __WXUNIVERSAL__
 216                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
 217 #endif // __WXUNIVERSAL__
 218            )
 219         {
 220             return item;
 221         }
 222     }
 223 #endif // wxUSE_CONTROLS
 224
 225     wxWindowList::Node *current = GetChildren().GetFirst();
 226     while (current)
 227     {
 228         wxWindow *childWin = current->GetData();
 229
 230         wxWindow *wnd = childWin->FindItem(id);
 231         if ( wnd )
 232             return wnd;
 233
 234         current = current->GetNext();
 235     }
 236
 237     return NULL;
 238 }
 239
 240 // Find an item given the MS Windows handle
 241 wxWindow *wxWindowMSW::FindItemByHWND(WXHWND hWnd, bool controlOnly) const
 242 {
 243     wxWindowList::Node *current = GetChildren().GetFirst();
 244     while (current)
 245     {
 246         wxWindow *parent = current->GetData();
 247
 248         // Do a recursive search.
 249         wxWindow *wnd = parent->FindItemByHWND(hWnd);
 250         if ( wnd )
 251             return wnd;
 252
 253         if ( !controlOnly
 254 #if wxUSE_CONTROLS
 255                 || parent->IsKindOf(CLASSINFO(wxControl))
 256 #endif // wxUSE_CONTROLS
 257            )
 258         {
 259             wxWindow *item = current->GetData();
 260             if ( item->GetHWND() == hWnd )
 261                 return item;
 262             else
 263             {
 264                 if ( item->ContainsHWND(hWnd) )
 265                     return item;
 266             }
 267         }
 268
 269         current = current->GetNext();
 270     }
 271     return NULL;
 272 }
 273
 274 // Default command handler
 275 bool wxWindowMSW::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 276 {
 277     return FALSE;
 278 }
 279
 280 // ----------------------------------------------------------------------------
 281 // constructors and such
 282 // ----------------------------------------------------------------------------
 283
 284 void wxWindowMSW::Init()
 285 {
 286     // generic
 287     InitBase();
 288
 289     // MSW specific
 290     m_doubleClickAllowed = 0;
 291
 292     m_isBeingDeleted = FALSE;
 293     m_oldWndProc = 0;
 294     m_useCtl3D = FALSE;
 295     m_mouseInWindow = FALSE;
 296
 297     // wxWnd
 298     m_hMenu = 0;
 299
 300     m_hWnd = 0;
 301
 302     // pass WM_GETDLGCODE to DefWindowProc()
 303     m_lDlgCode = 0;
 304
 305     m_xThumbSize = 0;
 306     m_yThumbSize = 0;
 307     m_backgroundTransparent = FALSE;
 308
 309     // as all windows are created with WS_VISIBLE style...
 310     m_isShown = TRUE;
 311
 312 #if wxUSE_MOUSEEVENT_HACK
 313     m_lastMouseX =
 314     m_lastMouseY = -1;
 315     m_lastMouseEvent = -1;
 316 #endif // wxUSE_MOUSEEVENT_HACK
 317 }
 318
 319 // Destructor
 320 wxWindowMSW::~wxWindowMSW()
 321 {
 322     m_isBeingDeleted = TRUE;
 323
 324     MSWDetachWindowMenu();
 325
 326 #ifndef __WXUNIVERSAL__
 327     // VS: make sure there's no wxFrame with last focus set to us:
 328     for ( wxWindow *win = GetParent(); win; win = win->GetParent() )
 329     {
 330         wxFrame *frame = wxDynamicCast(win, wxFrame);
 331         if ( frame )
 332         {
 333             if ( frame->GetLastFocus() == this )
 334             {
 335                 frame->SetLastFocus((wxWindow*)NULL);
 336             }
 337             break;
 338         }
 339     }
 340 #endif // __WXUNIVERSAL__
 341
 342     // VS: destroy children first and _then_ detach *this from its parent.
 343     //     If we'd do it the other way around, children wouldn't be able
 344     //     find their parent frame (see above).
 345     DestroyChildren();
 346
 347     if ( m_parent )
 348         m_parent->RemoveChild(this);
 349
 350     if ( m_hWnd )
 351     {
 352         // VZ: test temp removed to understand what really happens here
 353         //if (::IsWindow(GetHwnd()))
 354         {
 355             if ( !::DestroyWindow(GetHwnd()) )
 356                 wxLogLastError(wxT("DestroyWindow"));
 357         }
 358
 359         // remove hWnd <-> wxWindow association
 360         wxRemoveHandleAssociation(this);
 361     }
 362 }
 363
 364 // real construction (Init() must have been called before!)
 365 bool wxWindowMSW::Create(wxWindow *parent,
 366                          wxWindowID id,
 367                          const wxPoint& pos,
 368                          const wxSize& size,
 369                          long style,
 370                          const wxString& name)
 371 {
 372     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 373
 374 #if wxUSE_STATBOX
 375     // wxGTK doesn't allow to create controls with static box as the parent so
 376     // this will result in a crash when the program is ported to wxGTK - warn
 377     // about it
 378     //
 379     // the correct solution is to create the controls as siblings of the
 380     // static box
 381     wxASSERT_MSG( !wxDynamicCastThis(wxStaticBox),
 382                   _T("wxStaticBox can't be used as a window parent!") );
 383 #endif // wxUSE_STATBOX
 384
 385     if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
 386         return FALSE;
 387
 388     parent->AddChild(this);
 389
 390     // all windows are created visible
 391     DWORD msflags = WS_CHILD | WS_VISIBLE;
 392
 393 #ifdef __WXUNIVERSAL__
 394     // no 3d effects, we draw them ourselves
 395     WXDWORD exStyle = 0;
 396 #else // !wxUniversal
 397     if ( style & wxCLIP_CHILDREN )
 398         msflags |= WS_CLIPCHILDREN;
 399     if ( style & wxCLIP_SIBLINGS )
 400         msflags |= WS_CLIPSIBLINGS;
 401
 402     bool want3D;
 403     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 404
 405     // Even with extended styles, need to combine with WS_BORDER
 406     // for them to look right.
 407     if ( want3D ||
 408         (m_windowStyle & (wxBORDER |
 409                           wxSIMPLE_BORDER |
 410                           wxRAISED_BORDER |
 411                           wxSUNKEN_BORDER |
 412                           wxDOUBLE_BORDER)) )
 413     {
 414         msflags |= WS_BORDER;
 415     }
 416
 417     // calculate the value to return from WM_GETDLGCODE handler
 418     if ( GetWindowStyleFlag() & wxWANTS_CHARS )
 419     {
 420         // want everything: i.e. all keys and WM_CHAR message
 421         m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS |
 422                      DLGC_WANTTAB | DLGC_WANTMESSAGE;
 423     }
 424 #endif // wxUniversal/!wxUniversal
 425
 426     if ( style & wxPOPUP_WINDOW )
 427     {
 428         // a popup window floats on top of everything
 429         exStyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
 430
 431         // it is also created hidden as other top level windows
 432         msflags &= ~WS_VISIBLE;
 433         m_isShown = FALSE;
 434     }
 435
 436     return MSWCreate(m_windowId, parent, wxCanvasClassName,
 437                      (wxWindow *)this, NULL,
 438                      pos.x, pos.y,
 439                      WidthDefault(size.x), HeightDefault(size.y),
 440                      msflags, NULL, exStyle);
 441 }
 442
 443 // ---------------------------------------------------------------------------
 444 // basic operations
 445 // ---------------------------------------------------------------------------
 446
 447 void wxWindowMSW::SetFocus()
 448 {
 449     HWND hWnd = GetHwnd();
 450     wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
 451
 452 #ifndef __WXMICROWIN__
 453     ::SetLastError(0);
 454 #endif
 455
 456     if ( !::SetFocus(hWnd) )
 457     {
 458         // was there really an error?
 459 #ifndef __WXMICROWIN__
 460         DWORD dwRes = ::GetLastError();
 461 #else
 462
 463         DWORD dwRes = 0;
 464 #endif
 465         if ( dwRes )
 466         {
 467             wxLogApiError(_T("SetFocus"), dwRes);
 468         }
 469
 470         // VZ: just why does this happen sometimes?? any idea?
 471 #if 0
 472         HWND hwndFocus = ::GetFocus();
 473         wxASSERT_MSG( hwndFocus == hWnd, _T("SetFocus() didn't work?") );
 474 #endif // 0
 475     }
 476 }
 477
 478 // Get the window with the focus
 479 wxWindow *wxWindowBase::FindFocus()
 480 {
 481     HWND hWnd = ::GetFocus();
 482     if ( hWnd )
 483     {
 484         return wxGetWindowFromHWND((WXHWND)hWnd);
 485     }
 486
 487     return NULL;
 488 }
 489
 490 bool wxWindowMSW::Enable(bool enable)
 491 {
 492     if ( !wxWindowBase::Enable(enable) )
 493         return FALSE;
 494
 495     HWND hWnd = GetHwnd();
 496     if ( hWnd )
 497         ::EnableWindow(hWnd, (BOOL)enable);
 498
 499     // VZ: no, this is a bad idea: imagine that you have a dialog with some
 500     //     disabled controls and disable it - you really wouldn't like the
 501     //     disabled controls be reenabled too when you reenable the dialog!
 502 #if 0
 503     wxWindowList::Node *node = GetChildren().GetFirst();
 504     while ( node )
 505     {
 506         wxWindow *child = node->GetData();
 507         child->Enable(enable);
 508
 509         node = node->GetNext();
 510     }
 511 #endif // 0
 512
 513     return TRUE;
 514 }
 515
 516 bool wxWindowMSW::Show(bool show)
 517 {
 518     if ( !wxWindowBase::Show(show) )
 519         return FALSE;
 520
 521     HWND hWnd = GetHwnd();
 522     int cshow = show ? SW_SHOW : SW_HIDE;
 523     ::ShowWindow(hWnd, cshow);
 524
 525     if ( show )
 526     {
 527         wxBringWindowToTop(hWnd);
 528     }
 529
 530     return TRUE;
 531 }
 532
 533 // Raise the window to the top of the Z order
 534 void wxWindowMSW::Raise()
 535 {
 536     wxBringWindowToTop(GetHwnd());
 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 = wxGetWindowRect(hWnd);
 616
 617         if ( ::PtInRect(&rect, point) && !wxIsBusy() )
 618             ::SetCursor(GetHcursorOf(m_cursor));
 619     }
 620
 621     return TRUE;
 622 }
 623
 624 void wxWindowMSW::WarpPointer (int x, int y)
 625 {
 626     ClientToScreen(&x, &y);
 627
 628     if ( !::SetCursorPos(x, y) )
 629     {
 630         wxLogLastError(_T("SetCursorPos"));
 631     }
 632 }
 633
 634 #if WXWIN_COMPATIBILITY
 635 void wxWindowMSW::MSWDeviceToLogical (float *x, float *y) const
 636 {
 637 }
 638 #endif // WXWIN_COMPATIBILITY
 639
 640 // ---------------------------------------------------------------------------
 641 // scrolling stuff
 642 // ---------------------------------------------------------------------------
 643
 644 #if WXWIN_COMPATIBILITY
 645 void wxWindowMSW::SetScrollRange(int orient, int range, bool refresh)
 646 {
 647 #if defined(__WIN95__)
 648
 649     int range1 = range;
 650
 651     // Try to adjust the range to cope with page size > 1
 652     // - a Windows API quirk
 653     int pageSize = GetScrollPage(orient);
 654     if ( pageSize > 1 && range > 0)
 655     {
 656         range1 += (pageSize - 1);
 657     }
 658
 659     SCROLLINFO info;
 660     int dir;
 661
 662     if ( orient == wxHORIZONTAL ) {
 663         dir = SB_HORZ;
 664     } else {
 665         dir = SB_VERT;
 666     }
 667
 668     info.cbSize = sizeof(SCROLLINFO);
 669     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 670     info.nMin = 0;
 671     info.nMax = range1;
 672     info.nPos = 0;
 673     info.fMask = SIF_RANGE | SIF_PAGE;
 674
 675     HWND hWnd = GetHwnd();
 676     if ( hWnd )
 677         ::SetScrollInfo(hWnd, dir, &info, refresh);
 678 #else
 679     int wOrient;
 680     if ( orient == wxHORIZONTAL )
 681         wOrient = SB_HORZ;
 682     else
 683         wOrient = SB_VERT;
 684
 685     HWND hWnd = GetHwnd();
 686     if ( hWnd )
 687         ::SetScrollRange(hWnd, wOrient, 0, range, refresh);
 688 #endif
 689 }
 690
 691 void wxWindowMSW::SetScrollPage(int orient, int page, bool refresh)
 692 {
 693 #if defined(__WIN95__)
 694     SCROLLINFO info;
 695     int dir;
 696
 697     if ( orient == wxHORIZONTAL ) {
 698         dir = SB_HORZ;
 699         m_xThumbSize = page;
 700     } else {
 701         dir = SB_VERT;
 702         m_yThumbSize = page;
 703     }
 704
 705     info.cbSize = sizeof(SCROLLINFO);
 706     info.nPage = page;
 707     info.nMin = 0;
 708     info.fMask = SIF_PAGE;
 709
 710     HWND hWnd = GetHwnd();
 711     if ( hWnd )
 712         ::SetScrollInfo(hWnd, dir, &info, refresh);
 713 #else
 714     if ( orient == wxHORIZONTAL )
 715         m_xThumbSize = page;
 716     else
 717         m_yThumbSize = page;
 718 #endif
 719 }
 720
 721 int wxWindowMSW::OldGetScrollRange(int orient) const
 722 {
 723     int wOrient;
 724     if ( orient == wxHORIZONTAL )
 725         wOrient = SB_HORZ;
 726     else
 727         wOrient = SB_VERT;
 728
 729 #if __WATCOMC__ && defined(__WINDOWS_386__)
 730     short minPos, maxPos;
 731 #else
 732     int minPos, maxPos;
 733 #endif
 734     HWND hWnd = GetHwnd();
 735     if ( hWnd )
 736     {
 737         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 738 #if defined(__WIN95__)
 739         // Try to adjust the range to cope with page size > 1
 740         // - a Windows API quirk
 741         int pageSize = GetScrollPage(orient);
 742         if ( pageSize > 1 )
 743         {
 744             maxPos -= (pageSize - 1);
 745         }
 746 #endif
 747         return maxPos;
 748     }
 749     else
 750         return 0;
 751 }
 752
 753 int wxWindowMSW::GetScrollPage(int orient) const
 754 {
 755     if ( orient == wxHORIZONTAL )
 756         return m_xThumbSize;
 757     else
 758         return m_yThumbSize;
 759 }
 760
 761 #endif // WXWIN_COMPATIBILITY
 762
 763 inline int GetScrollPosition(HWND hWnd, int wOrient)
 764 {
 765 #ifdef __WXMICROWIN__
 766     return ::GetScrollPosWX(hWnd, wOrient);
 767 #else
 768     return ::GetScrollPos(hWnd, wOrient);
 769 #endif
 770 }
 771
 772 int wxWindowMSW::GetScrollPos(int orient) const
 773 {
 774     int wOrient;
 775     if ( orient == wxHORIZONTAL )
 776         wOrient = SB_HORZ;
 777     else
 778         wOrient = SB_VERT;
 779
 780     HWND hWnd = GetHwnd();
 781     wxCHECK_MSG( hWnd, 0, _T("no HWND in GetScrollPos") );
 782
 783     return GetScrollPosition(hWnd, wOrient);
 784 }
 785
 786 // This now returns the whole range, not just the number
 787 // of positions that we can scroll.
 788 int wxWindowMSW::GetScrollRange(int orient) const
 789 {
 790     int wOrient;
 791     if ( orient == wxHORIZONTAL )
 792         wOrient = SB_HORZ;
 793     else
 794         wOrient = SB_VERT;
 795
 796 #if __WATCOMC__ && defined(__WINDOWS_386__)
 797     short minPos, maxPos;
 798 #else
 799     int minPos, maxPos;
 800 #endif
 801     HWND hWnd = GetHwnd();
 802     if ( hWnd )
 803     {
 804         ::GetScrollRange(hWnd, wOrient, &minPos, &maxPos);
 805 #if defined(__WIN95__)
 806         // Try to adjust the range to cope with page size > 1
 807         // - a Windows API quirk
 808         int pageSize = GetScrollThumb(orient);
 809         if ( pageSize > 1 )
 810         {
 811             maxPos -= (pageSize - 1);
 812         }
 813         // October 10th: new range concept.
 814         maxPos += pageSize;
 815 #endif
 816
 817         return maxPos;
 818     }
 819     else
 820         return 0;
 821 }
 822
 823 int wxWindowMSW::GetScrollThumb(int orient) const
 824 {
 825     if ( orient == wxHORIZONTAL )
 826         return m_xThumbSize;
 827     else
 828         return m_yThumbSize;
 829 }
 830
 831 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 832 {
 833 #if defined(__WIN95__)
 834     SCROLLINFO info;
 835     int dir;
 836
 837     if ( orient == wxHORIZONTAL ) {
 838         dir = SB_HORZ;
 839     } else {
 840         dir = SB_VERT;
 841     }
 842
 843     info.cbSize = sizeof(SCROLLINFO);
 844     info.nPage = 0;
 845     info.nMin = 0;
 846     info.nPos = pos;
 847     info.fMask = SIF_POS;
 848
 849     HWND hWnd = GetHwnd();
 850     if ( hWnd )
 851         ::SetScrollInfo(hWnd, dir, &info, refresh);
 852 #else
 853     int wOrient;
 854     if ( orient == wxHORIZONTAL )
 855         wOrient = SB_HORZ;
 856     else
 857         wOrient = SB_VERT;
 858
 859     HWND hWnd = GetHwnd();
 860     if ( hWnd )
 861         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 862 #endif
 863 }
 864
 865 // New function that will replace some of the above.
 866 void wxWindowMSW::SetScrollbar(int orient, int pos, int thumbVisible,
 867                             int range, bool refresh)
 868 {
 869 #if defined(__WIN95__)
 870     int oldRange = range - thumbVisible;
 871
 872     int range1 = oldRange;
 873
 874     // Try to adjust the range to cope with page size > 1
 875     // - a Windows API quirk
 876     int pageSize = thumbVisible;
 877     if ( pageSize > 1 && range > 0)
 878     {
 879         range1 += (pageSize - 1);
 880     }
 881
 882     SCROLLINFO info;
 883     int dir;
 884
 885     if ( orient == wxHORIZONTAL ) {
 886         dir = SB_HORZ;
 887     } else {
 888         dir = SB_VERT;
 889     }
 890
 891     info.cbSize = sizeof(SCROLLINFO);
 892     info.nPage = pageSize; // Have to set this, or scrollbar goes awry
 893     info.nMin = 0;
 894     info.nMax = range1;
 895     info.nPos = pos;
 896     info.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
 897
 898     HWND hWnd = GetHwnd();
 899     if ( hWnd )
 900         ::SetScrollInfo(hWnd, dir, &info, refresh);
 901 #else
 902     int wOrient;
 903     if ( orient == wxHORIZONTAL )
 904         wOrient = SB_HORZ;
 905     else
 906         wOrient = SB_VERT;
 907
 908     HWND hWnd = GetHwnd();
 909     if ( hWnd )
 910     {
 911         ::SetScrollRange(hWnd, wOrient, 0, range, FALSE);
 912         ::SetScrollPos(hWnd, wOrient, pos, refresh);
 913     }
 914 #endif
 915     if ( orient == wxHORIZONTAL ) {
 916         m_xThumbSize = thumbVisible;
 917     } else {
 918         m_yThumbSize = thumbVisible;
 919     }
 920 }
 921
 922 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 923 {
 924     RECT rect;
 925     if ( prect )
 926     {
 927         rect.left = prect->x;
 928         rect.top = prect->y;
 929         rect.right = prect->x + prect->width;
 930         rect.bottom = prect->y + prect->height;
 931     }
 932
 933     ::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
 934 }
 935
 936 static bool ScrollVertically(HWND hwnd, int kind, int count)
 937 {
 938     int posStart = GetScrollPosition(hwnd, SB_VERT);
 939
 940     int pos = posStart;
 941     for ( int n = 0; n < count; n++ )
 942     {
 943         ::SendMessage(hwnd, WM_VSCROLL, kind, 0);
 944
 945         int posNew = GetScrollPosition(hwnd, SB_VERT);
 946         if ( posNew == pos )
 947         {
 948             // don't bother to continue, we're already at top/bottom
 949             break;
 950         }
 951
 952         pos = posNew;
 953     }
 954
 955     return pos != posStart;
 956 }
 957
 958 bool wxWindowMSW::ScrollLines(int lines)
 959 {
 960     bool down = lines > 0;
 961
 962     return ScrollVertically(GetHwnd(),
 963                             down ? SB_LINEDOWN : SB_LINEUP,
 964                             down ? lines : -lines);
 965 }
 966
 967 bool wxWindowMSW::ScrollPages(int pages)
 968 {
 969     bool down = pages > 0;
 970
 971     return ScrollVertically(GetHwnd(),
 972                             down ? SB_PAGEDOWN : SB_PAGEUP,
 973                             down ? pages : -pages);
 974 }
 975
 976 // ---------------------------------------------------------------------------
 977 // subclassing
 978 // ---------------------------------------------------------------------------
 979
 980 void wxWindowMSW::SubclassWin(WXHWND hWnd)
 981 {
 982     wxASSERT_MSG( !m_oldWndProc, wxT("subclassing window twice?") );
 983
 984     HWND hwnd = (HWND)hWnd;
 985     wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in SubclassWin") );
 986
 987     wxAssociateWinWithHandle(hwnd, this);
 988
 989     m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
 990
 991     wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc );
 992
 993     SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc);
 994 }
 995
 996 void wxWindowMSW::UnsubclassWin()
 997 {
 998     wxRemoveHandleAssociation(this);
 999
1000     // Restore old Window proc
1001     HWND hwnd = GetHwnd();
1002     if ( hwnd )
1003     {
1004         m_hWnd = 0;
1005
1006         wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") );
1007
1008         FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC);
1009         if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) )
1010         {
1011             SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc);
1012             m_oldWndProc = 0;
1013         }
1014     }
1015 }
1016
1017 // Make a Windows extended style from the given wxWindows window style
1018 WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders)
1019 {
1020     WXDWORD exStyle = 0;
1021     if ( style & wxTRANSPARENT_WINDOW )
1022         exStyle |= WS_EX_TRANSPARENT;
1023
1024     if ( !eliminateBorders )
1025     {
1026         if ( style & wxSUNKEN_BORDER )
1027             exStyle |= WS_EX_CLIENTEDGE;
1028         if ( style & wxDOUBLE_BORDER )
1029             exStyle |= WS_EX_DLGMODALFRAME;
1030 #if defined(__WIN95__)
1031         if ( style & wxRAISED_BORDER )
1032             // It seems that WS_EX_WINDOWEDGE doesn't work, but WS_EX_DLGMODALFRAME does
1033             exStyle |= WS_EX_DLGMODALFRAME; /* WS_EX_WINDOWEDGE */;
1034         if ( style & wxSTATIC_BORDER )
1035             exStyle |= WS_EX_STATICEDGE;
1036 #endif
1037     }
1038     return exStyle;
1039 }
1040
1041 // Determines whether native 3D effects or CTL3D should be used,
1042 // applying a default border style if required, and returning an extended
1043 // style to pass to CreateWindowEx.
1044 WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle,
1045                                      bool *want3D) const
1046 {
1047     // If matches certain criteria, then assume no 3D effects
1048     // unless specifically requested (dealt with in MakeExtendedStyle)
1049     if ( !GetParent()
1050 #if wxUSE_CONTROLS
1051             || !IsKindOf(CLASSINFO(wxControl))
1052 #endif // wxUSE_CONTROLS
1053             || (m_windowStyle & wxNO_BORDER) )
1054     {
1055         *want3D = FALSE;
1056         return MakeExtendedStyle(m_windowStyle, FALSE);
1057     }
1058
1059     // Determine whether we should be using 3D effects or not.
1060     bool nativeBorder = FALSE; // by default, we don't want a Win95 effect
1061
1062     // 1) App can specify global 3D effects
1063     *want3D = wxTheApp->GetAuto3D();
1064
1065     // 2) If the parent is being drawn with user colours, or simple border specified,
1066     // switch effects off. TODO: replace wxUSER_COLOURS with wxNO_3D
1067     if ( GetParent() && (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) || (m_windowStyle & wxSIMPLE_BORDER) )
1068         *want3D = FALSE;
1069
1070     // 3) Control can override this global setting by defining
1071     // a border style, e.g. wxSUNKEN_BORDER
1072     if ( m_windowStyle & wxSUNKEN_BORDER  )
1073         *want3D = TRUE;
1074
1075     // 4) If it's a special border, CTL3D can't cope so we want a native border
1076     if ( (m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
1077         (m_windowStyle & wxSTATIC_BORDER) )
1078     {
1079         *want3D = TRUE;
1080         nativeBorder = TRUE;
1081     }
1082
1083     // 5) If this isn't a Win95 app, and we are using CTL3D, remove border
1084     // effects from extended style
1085 #if wxUSE_CTL3D
1086     if ( *want3D )
1087         nativeBorder = FALSE;
1088 #endif
1089
1090     DWORD exStyle = MakeExtendedStyle(m_windowStyle, !nativeBorder);
1091
1092     // If we want 3D, but haven't specified a border here,
1093     // apply the default border style specified.
1094     // TODO what about non-Win95 WIN32? Does it have borders?
1095 #if defined(__WIN95__) && !wxUSE_CTL3D
1096     if ( defaultBorderStyle && (*want3D) && ! ((m_windowStyle & wxDOUBLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) ||
1097         (m_windowStyle & wxSTATIC_BORDER) || (m_windowStyle & wxSIMPLE_BORDER) ))
1098         exStyle |= defaultBorderStyle; // WS_EX_CLIENTEDGE;
1099 #endif
1100
1101     return exStyle;
1102 }
1103
1104 #if WXWIN_COMPATIBILITY
1105 // If nothing defined for this, try the parent.
1106 // E.g. we may be a button loaded from a resource, with no callback function
1107 // defined.
1108 void wxWindowMSW::OnCommand(wxWindow& win, wxCommandEvent& event)
1109 {
1110     if ( GetEventHandler()->ProcessEvent(event)  )
1111         return;
1112     if ( m_parent )
1113         m_parent->GetEventHandler()->OnCommand(win, event);
1114 }
1115 #endif // WXWIN_COMPATIBILITY_2
1116
1117 #if WXWIN_COMPATIBILITY
1118 wxObject* wxWindowMSW::GetChild(int number) const
1119 {
1120     // Return a pointer to the Nth object in the Panel
1121     wxNode *node = GetChildren().First();
1122     int n = number;
1123     while (node && n--)
1124         node = node->Next();
1125     if ( node )
1126     {
1127         wxObject *obj = (wxObject *)node->Data();
1128         return(obj);
1129     }
1130     else
1131         return NULL;
1132 }
1133 #endif // WXWIN_COMPATIBILITY
1134
1135 // Setup background and foreground colours correctly
1136 void wxWindowMSW::SetupColours()
1137 {
1138     if ( GetParent() )
1139         SetBackgroundColour(GetParent()->GetBackgroundColour());
1140 }
1141
1142 bool wxWindowMSW::IsMouseInWindow() const
1143 {
1144     // get the mouse position
1145     POINT pt;
1146     ::GetCursorPos(&pt);
1147
1148     // find the window which currently has the cursor and go up the window
1149     // chain until we find this window - or exhaust it
1150     HWND hwnd = ::WindowFromPoint(pt);
1151     while ( hwnd && (hwnd != GetHwnd()) )
1152         hwnd = ::GetParent(hwnd);
1153
1154     return hwnd != NULL;
1155 }
1156
1157 void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
1158 {
1159     // Check if we need to send a LEAVE event
1160     if ( m_mouseInWindow )
1161     {
1162         if ( !IsMouseInWindow() )
1163         {
1164             // Generate a LEAVE event
1165             m_mouseInWindow = FALSE;
1166
1167             // Unfortunately the mouse button and keyboard state may have
1168             // changed by the time the OnIdle function is called, so 'state'
1169             // may be meaningless.
1170             int state = 0;
1171             if ( wxIsShiftDown() )
1172                 state |= MK_SHIFT;
1173             if ( wxIsCtrlDown() )
1174                 state |= MK_CONTROL;
1175             if ( GetKeyState( VK_LBUTTON ) )
1176                 state |= MK_LBUTTON;
1177             if ( GetKeyState( VK_MBUTTON ) )
1178                 state |= MK_MBUTTON;
1179             if ( GetKeyState( VK_RBUTTON ) )
1180                 state |= MK_RBUTTON;
1181
1182             POINT pt;
1183             if ( !::GetCursorPos(&pt) )
1184             {
1185                 wxLogLastError(_T("GetCursorPos"));
1186             }
1187
1188             // we need to have client coordinates here for symmetry with
1189             // wxEVT_ENTER_WINDOW
1190             RECT rect = wxGetWindowRect(GetHwnd());
1191             pt.x -= rect.left;
1192             pt.y -= rect.top;
1193
1194             wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
1195             InitMouseEvent(event2, pt.x, pt.y, state);
1196
1197             (void)GetEventHandler()->ProcessEvent(event2);
1198         }
1199     }
1200
1201     UpdateWindowUI();
1202 }
1203
1204 // Set this window to be the child of 'parent'.
1205 bool wxWindowMSW::Reparent(wxWindowBase *parent)
1206 {
1207     if ( !wxWindowBase::Reparent(parent) )
1208         return FALSE;
1209
1210     HWND hWndChild = GetHwnd();
1211     HWND hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
1212
1213     ::SetParent(hWndChild, hWndParent);
1214
1215     return TRUE;
1216 }
1217
1218 void wxWindowMSW::Clear()
1219 {
1220     wxClientDC dc((wxWindow *)this);
1221     wxBrush brush(GetBackgroundColour(), wxSOLID);
1222     dc.SetBackground(brush);
1223     dc.Clear();
1224 }
1225
1226 static inline void SendSetRedraw(HWND hwnd, bool on)
1227 {
1228     ::SendMessage(hwnd, WM_SETREDRAW, (WPARAM)on, 0);
1229 }
1230
1231 void wxWindowMSW::Freeze()
1232 {
1233     SendSetRedraw(GetHwnd(), FALSE);
1234 }
1235
1236 void wxWindowMSW::Thaw()
1237 {
1238     SendSetRedraw(GetHwnd(), TRUE);
1239
1240     // we need to refresh everything or otherwise he invalidated area is not
1241     // repainted
1242     Refresh();
1243 }
1244
1245 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
1246 {
1247     HWND hWnd = GetHwnd();
1248     if ( hWnd )
1249     {
1250         if ( rect )
1251         {
1252             RECT mswRect;
1253             mswRect.left = rect->x;
1254             mswRect.top = rect->y;
1255             mswRect.right = rect->x + rect->width;
1256             mswRect.bottom = rect->y + rect->height;
1257
1258             ::InvalidateRect(hWnd, &mswRect, eraseBack);
1259         }
1260         else
1261             ::InvalidateRect(hWnd, NULL, eraseBack);
1262     }
1263 }
1264
1265 void wxWindowMSW::Update()
1266 {
1267     if ( !::UpdateWindow(GetHwnd()) )
1268     {
1269         wxLogLastError(_T("UpdateWindow"));
1270     }
1271
1272 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1273     // just calling UpdateWindow() is not enough, what we did in our WM_PAINT
1274     // handler needs to be really drawn right now
1275     (void)::GdiFlush();
1276 #endif // __WIN32__
1277 }
1278
1279 // ---------------------------------------------------------------------------
1280 // drag and drop
1281 // ---------------------------------------------------------------------------
1282
1283 #if wxUSE_DRAG_AND_DROP
1284
1285 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
1286 {
1287     if ( m_dropTarget != 0 ) {
1288         m_dropTarget->Revoke(m_hWnd);
1289         delete m_dropTarget;
1290     }
1291
1292     m_dropTarget = pDropTarget;
1293     if ( m_dropTarget != 0 )
1294         m_dropTarget->Register(m_hWnd);
1295 }
1296
1297 #endif // wxUSE_DRAG_AND_DROP
1298
1299 // old style file-manager drag&drop support: we retain the old-style
1300 // DragAcceptFiles in parallel with SetDropTarget.
1301 void wxWindowMSW::DragAcceptFiles(bool accept)
1302 {
1303     HWND hWnd = GetHwnd();
1304     if ( hWnd )
1305         ::DragAcceptFiles(hWnd, (BOOL)accept);
1306 }
1307
1308 // ----------------------------------------------------------------------------
1309 // tooltips
1310 // ----------------------------------------------------------------------------
1311
1312 #if wxUSE_TOOLTIPS
1313
1314 void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
1315 {
1316     wxWindowBase::DoSetToolTip(tooltip);
1317
1318     if ( m_tooltip )
1319         m_tooltip->SetWindow(this);
1320 }
1321
1322 #endif // wxUSE_TOOLTIPS
1323
1324 // ---------------------------------------------------------------------------
1325 // moving and resizing
1326 // ---------------------------------------------------------------------------
1327
1328 // Get total size
1329 void wxWindowMSW::DoGetSize(int *x, int *y) const
1330 {
1331     RECT rect = wxGetWindowRect(GetHwnd());
1332
1333     if ( x )
1334         *x = rect.right - rect.left;
1335     if ( y )
1336         *y = rect.bottom - rect.top;
1337 }
1338
1339 // Get size *available for subwindows* i.e. excluding menu bar etc.
1340 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
1341 {
1342     RECT rect = wxGetClientRect(GetHwnd());
1343
1344     if ( x )
1345         *x = rect.right;
1346     if ( y )
1347         *y = rect.bottom;
1348 }
1349
1350 void wxWindowMSW::DoGetPosition(int *x, int *y) const
1351 {
1352     RECT rect = wxGetWindowRect(GetHwnd());
1353
1354     POINT point;
1355     point.x = rect.left;
1356     point.y = rect.top;
1357
1358     // we do the adjustments with respect to the parent only for the "real"
1359     // children, not for the dialogs/frames
1360     if ( !IsTopLevel() )
1361     {
1362         HWND hParentWnd = 0;
1363         wxWindow *parent = GetParent();
1364         if ( parent )
1365             hParentWnd = GetWinHwnd(parent);
1366
1367         // Since we now have the absolute screen coords, if there's a parent we
1368         // must subtract its top left corner
1369         if ( hParentWnd )
1370         {
1371             ::ScreenToClient(hParentWnd, &point);
1372         }
1373
1374         if ( parent )
1375         {
1376             // We may be faking the client origin. So a window that's really at (0,
1377             // 30) may appear (to wxWin apps) to be at (0, 0).
1378             wxPoint pt(parent->GetClientAreaOrigin());
1379             point.x -= pt.x;
1380             point.y -= pt.y;
1381         }
1382     }
1383
1384     if ( x )
1385         *x = point.x;
1386     if ( y )
1387         *y = point.y;
1388 }
1389
1390 void wxWindowMSW::DoScreenToClient(int *x, int *y) const
1391 {
1392     POINT pt;
1393     if ( x )
1394         pt.x = *x;
1395     if ( y )
1396         pt.y = *y;
1397
1398     ::ScreenToClient(GetHwnd(), &pt);
1399
1400     if ( x )
1401         *x = pt.x;
1402     if ( y )
1403         *y = pt.y;
1404 }
1405
1406 void wxWindowMSW::DoClientToScreen(int *x, int *y) const
1407 {
1408     POINT pt;
1409     if ( x )
1410         pt.x = *x;
1411     if ( y )
1412         pt.y = *y;
1413
1414     ::ClientToScreen(GetHwnd(), &pt);
1415
1416     if ( x )
1417         *x = pt.x;
1418     if ( y )
1419         *y = pt.y;
1420 }
1421
1422 void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
1423 {
1424     if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
1425     {
1426         wxLogLastError(wxT("MoveWindow"));
1427     }
1428 }
1429
1430 // set the size of the window: if the dimensions are positive, just use them,
1431 // but if any of them is equal to -1, it means that we must find the value for
1432 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
1433 // which case -1 is a valid value for x and y)
1434 //
1435 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
1436 // the width/height to best suit our contents, otherwise we reuse the current
1437 // width/height
1438 void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
1439 {
1440     // get the current size and position...
1441     int currentX, currentY;
1442     GetPosition(&currentX, &currentY);
1443     int currentW,currentH;
1444     GetSize(&currentW, &currentH);
1445
1446     // ... and don't do anything (avoiding flicker) if it's already ok
1447     if ( x == currentX && y == currentY &&
1448          width == currentW && height == currentH )
1449     {
1450         return;
1451     }
1452
1453     if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1454         x = currentX;
1455     if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1456         y = currentY;
1457
1458     AdjustForParentClientOrigin(x, y, sizeFlags);
1459
1460     wxSize size(-1, -1);
1461     if ( width == -1 )
1462     {
1463         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1464         {
1465             size = DoGetBestSize();
1466             width = size.x;
1467         }
1468         else
1469         {
1470             // just take the current one
1471             width = currentW;
1472         }
1473     }
1474
1475     if ( height == -1 )
1476     {
1477         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1478         {
1479             if ( size.x == -1 )
1480             {
1481                 size = DoGetBestSize();
1482             }
1483             //else: already called DoGetBestSize() above
1484
1485             height = size.y;
1486         }
1487         else
1488         {
1489             // just take the current one
1490             height = currentH;
1491         }
1492     }
1493
1494     DoMoveWindow(x, y, width, height);
1495 }
1496
1497 void wxWindowMSW::DoSetClientSize(int width, int height)
1498 {
1499     wxWindow *parent = GetParent();
1500     HWND hWnd = GetHwnd();
1501     HWND hParentWnd = (HWND) 0;
1502     if ( parent )
1503         hParentWnd = (HWND) parent->GetHWND();
1504
1505     RECT rect;
1506     ::GetClientRect(hWnd, &rect);
1507
1508     RECT rect2;
1509     GetWindowRect(hWnd, &rect2);
1510
1511     // Find the difference between the entire window (title bar and all)
1512     // and the client area; add this to the new client size to move the
1513     // window
1514     int actual_width = rect2.right - rect2.left - rect.right + width;
1515     int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
1516
1517     // If there's a parent, must subtract the parent's top left corner
1518     // since MoveWindow moves relative to the parent
1519
1520     POINT point;
1521     point.x = rect2.left;
1522     point.y = rect2.top;
1523     if ( parent )
1524     {
1525         ::ScreenToClient(hParentWnd, &point);
1526     }
1527
1528     DoMoveWindow(point.x, point.y, actual_width, actual_height);
1529
1530     wxSizeEvent event(wxSize(width, height), m_windowId);
1531     event.SetEventObject(this);
1532     GetEventHandler()->ProcessEvent(event);
1533 }
1534
1535 // For implementation purposes - sometimes decorations make the client area
1536 // smaller
1537 wxPoint wxWindowMSW::GetClientAreaOrigin() const
1538 {
1539     return wxPoint(0, 0);
1540 }
1541
1542 // ---------------------------------------------------------------------------
1543 // text metrics
1544 // ---------------------------------------------------------------------------
1545
1546 int wxWindowMSW::GetCharHeight() const
1547 {
1548     return wxGetTextMetrics(this).tmHeight;
1549 }
1550
1551 int wxWindowMSW::GetCharWidth() const
1552 {
1553     // +1 is needed because Windows apparently adds it when calculating the
1554     // dialog units size in pixels
1555 #if wxDIALOG_UNIT_COMPATIBILITY
1556     return wxGetTextMetrics(this).tmAveCharWidth;
1557 #else
1558     return wxGetTextMetrics(this).tmAveCharWidth + 1;
1559 #endif
1560 }
1561
1562 void wxWindowMSW::GetTextExtent(const wxString& string,
1563                              int *x, int *y,
1564                              int *descent, int *externalLeading,
1565                              const wxFont *theFont) const
1566 {
1567     const wxFont *fontToUse = theFont;
1568     if ( !fontToUse )
1569         fontToUse = &m_font;
1570
1571     HWND hWnd = GetHwnd();
1572     HDC dc = ::GetDC(hWnd);
1573
1574     HFONT fnt = 0;
1575     HFONT hfontOld = 0;
1576     if ( fontToUse && fontToUse->Ok() )
1577     {
1578         fnt = (HFONT)((wxFont *)fontToUse)->GetResourceHandle(); // const_cast
1579         if ( fnt )
1580             hfontOld = (HFONT)SelectObject(dc,fnt);
1581     }
1582
1583     SIZE sizeRect;
1584     TEXTMETRIC tm;
1585     GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
1586     GetTextMetrics(dc, &tm);
1587
1588     if ( fontToUse && fnt && hfontOld )
1589         SelectObject(dc, hfontOld);
1590
1591     ReleaseDC(hWnd, dc);
1592
1593     if ( x )
1594         *x = sizeRect.cx;
1595     if ( y )
1596         *y = sizeRect.cy;
1597     if ( descent )
1598         *descent = tm.tmDescent;
1599     if ( externalLeading )
1600         *externalLeading = tm.tmExternalLeading;
1601 }
1602
1603 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1604 // ---------------------------------------------------------------------------
1605 // Caret manipulation
1606 // ---------------------------------------------------------------------------
1607
1608 void wxWindowMSW::CreateCaret(int w, int h)
1609 {
1610     SetCaret(new wxCaret(this, w, h));
1611 }
1612
1613 void wxWindowMSW::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1614 {
1615     wxFAIL_MSG("not implemented");
1616 }
1617
1618 void wxWindowMSW::ShowCaret(bool show)
1619 {
1620     wxCHECK_RET( m_caret, "no caret to show" );
1621
1622     m_caret->Show(show);
1623 }
1624
1625 void wxWindowMSW::DestroyCaret()
1626 {
1627     SetCaret(NULL);
1628 }
1629
1630 void wxWindowMSW::SetCaretPos(int x, int y)
1631 {
1632     wxCHECK_RET( m_caret, "no caret to move" );
1633
1634     m_caret->Move(x, y);
1635 }
1636
1637 void wxWindowMSW::GetCaretPos(int *x, int *y) const
1638 {
1639     wxCHECK_RET( m_caret, "no caret to get position of" );
1640
1641     m_caret->GetPosition(x, y);
1642 }
1643 #endif // wxUSE_CARET
1644
1645 // ---------------------------------------------------------------------------
1646 // popup menu
1647 // ---------------------------------------------------------------------------
1648
1649 #if wxUSE_MENUS_NATIVE
1650
1651 // yield for WM_COMMAND events only, i.e. process all WM_COMMANDs in the queue
1652 // immediately, without waiting for the next event loop iteration
1653 //
1654 // NB: this function should probably be made public later as it can almost
1655 //     surely replace wxYield() elsewhere as well
1656 static void wxYieldForCommandsOnly()
1657 {
1658     // peek all WM_COMMANDs (it will always return WM_QUIT too but we don't
1659     // want to process it here)
1660     MSG msg;
1661     while ( ::PeekMessage(&msg, (HWND)0, WM_COMMAND, WM_COMMAND, PM_REMOVE)
1662                 && msg.message != WM_QUIT )
1663     {
1664         wxTheApp->DoMessage((WXMSG *)&msg);
1665     }
1666 }
1667
1668 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
1669 {
1670     menu->SetInvokingWindow(this);
1671     menu->UpdateUI();
1672
1673     HWND hWnd = GetHwnd();
1674     HMENU hMenu = GetHmenuOf(menu);
1675     POINT point;
1676     point.x = x;
1677     point.y = y;
1678     ::ClientToScreen(hWnd, &point);
1679     wxCurrentPopupMenu = menu;
1680     ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
1681
1682     // we need to do it righ now as otherwise the events are never going to be
1683     // sent to wxCurrentPopupMenu from HandleCommand()
1684     //
1685     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
1686     // help and we'd still need wxYieldForCommandsOnly() as the menu may be
1687     // destroyed as soon as we return (it can be a local variable in the caller
1688     // for example) and so we do need to process the event immediately
1689     wxYieldForCommandsOnly();
1690
1691     wxCurrentPopupMenu = NULL;
1692
1693     menu->SetInvokingWindow(NULL);
1694
1695     return TRUE;
1696 }
1697
1698 #endif // wxUSE_MENUS_NATIVE
1699
1700 // ===========================================================================
1701 // pre/post message processing
1702 // ===========================================================================
1703
1704 long wxWindowMSW::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1705 {
1706     if ( m_oldWndProc )
1707         return ::CallWindowProc(CASTWNDPROC m_oldWndProc, GetHwnd(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
1708     else
1709         return ::DefWindowProc(GetHwnd(), nMsg, wParam, lParam);
1710 }
1711
1712 bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
1713 {
1714     // wxUniversal implements tab traversal itself
1715 #ifndef __WXUNIVERSAL__
1716     if ( m_hWnd != 0 && (GetWindowStyleFlag() & wxTAB_TRAVERSAL) )
1717     {
1718         // intercept dialog navigation keys
1719         MSG *msg = (MSG *)pMsg;
1720
1721         // here we try to do all the job which ::IsDialogMessage() usually does
1722         // internally
1723 #if 1
1724         bool bProcess = TRUE;
1725         if ( msg->message != WM_KEYDOWN )
1726             bProcess = FALSE;
1727
1728         if ( bProcess && (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1729             bProcess = FALSE;
1730
1731         if ( bProcess )
1732         {
1733             bool bCtrlDown = wxIsCtrlDown();
1734             bool bShiftDown = wxIsShiftDown();
1735
1736             // WM_GETDLGCODE: ask the control if it wants the key for itself,
1737             // don't process it if it's the case (except for Ctrl-Tab/Enter
1738             // combinations which are always processed)
1739             LONG lDlgCode = 0;
1740             if ( !bCtrlDown )
1741             {
1742                 lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
1743             }
1744
1745             bool bForward = TRUE,
1746                  bWindowChange = FALSE;
1747
1748             switch ( msg->wParam )
1749             {
1750                 case VK_TAB:
1751                     // assume that nobody wants Shift-TAB for himself - if we
1752                     // don't do it there is no easy way for a control to grab
1753                     // TABs but still let Shift-TAB work as navugation key
1754                     if ( (lDlgCode & DLGC_WANTTAB) && !bShiftDown ) {
1755                         bProcess = FALSE;
1756                     }
1757                     else {
1758                         // Ctrl-Tab cycles thru notebook pages
1759                         bWindowChange = bCtrlDown;
1760                         bForward = !bShiftDown;
1761                     }
1762                     break;
1763
1764                 case VK_UP:
1765                 case VK_LEFT:
1766                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1767                         bProcess = FALSE;
1768                     else
1769                         bForward = FALSE;
1770                     break;
1771
1772                 case VK_DOWN:
1773                 case VK_RIGHT:
1774                     if ( (lDlgCode & DLGC_WANTARROWS) || bCtrlDown )
1775                         bProcess = FALSE;
1776                     break;
1777
1778                 case VK_RETURN:
1779                     {
1780                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
1781                         {
1782                             // control wants to process Enter itself, don't
1783                             // call IsDialogMessage() which would interpret
1784                             // it
1785                             return FALSE;
1786                         }
1787                         else if ( lDlgCode & DLGC_BUTTON )
1788                         {
1789                             // let IsDialogMessage() handle this for all
1790                             // buttons except the owner-drawn ones which it
1791                             // just seems to ignore
1792                             long style = ::GetWindowLong(msg->hwnd, GWL_STYLE);
1793                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
1794                             {
1795                                 // emulate the button click
1796                                 wxWindow *btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
1797                                 if ( btn )
1798                                     btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1799                             }
1800
1801                             bProcess = FALSE;
1802                         }
1803                         // FIXME: this should be handled by
1804                         //        wxNavigationKeyEvent handler and not here!!
1805                         else
1806                         {
1807 #if wxUSE_BUTTON
1808                             wxButton *btn = wxDynamicCast(GetDefaultItem(),
1809                                                           wxButton);
1810                             if ( btn && btn->IsEnabled() )
1811                             {
1812                                 // if we do have a default button, do press it
1813                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
1814
1815                                 return TRUE;
1816                             }
1817                             else // no default button
1818 #endif // wxUSE_BUTTON
1819                             {
1820                                 // no special function for enter and don't even
1821                                 // let IsDialogMessage() have it: it seems to
1822                                 // do something really strange with it
1823                                 return FALSE;
1824                             }
1825                         }
1826                     }
1827                     break;
1828
1829                 default:
1830                     bProcess = FALSE;
1831             }
1832
1833             if ( bProcess )
1834             {
1835                 wxNavigationKeyEvent event;
1836                 event.SetDirection(bForward);
1837                 event.SetWindowChange(bWindowChange);
1838                 event.SetEventObject(this);
1839
1840                 if ( GetEventHandler()->ProcessEvent(event) )
1841                 {
1842                     return TRUE;
1843                 }
1844             }
1845         }
1846 #else // 0
1847         // let ::IsDialogMessage() do almost everything and handle just the
1848         // things it doesn't here: Ctrl-TAB for switching notebook pages
1849         if ( msg->message == WM_KEYDOWN )
1850         {
1851             // don't process system keys here
1852             if ( !(HIWORD(msg->lParam) & KF_ALTDOWN) )
1853             {
1854                 if ( (msg->wParam == VK_TAB) && wxIsCtrlDown() )
1855                 {
1856                     // find the first notebook parent and change its page
1857                     wxWindow *win = this;
1858                     wxNotebook *nbook = NULL;
1859                     while ( win && !nbook )
1860                     {
1861                         nbook = wxDynamicCast(win, wxNotebook);
1862                         win = win->GetParent();
1863                     }
1864
1865                     if ( nbook )
1866                     {
1867                         bool forward = !wxIsShiftDown();
1868
1869                         nbook->AdvanceSelection(forward);
1870                     }
1871                 }
1872             }
1873         }
1874 #endif // 1/0
1875
1876         if ( ::IsDialogMessage(GetHwnd(), msg) )
1877         {
1878             // IsDialogMessage() did something...
1879             return TRUE;
1880         }
1881     }
1882 #endif // __WXUNIVERSAL__
1883
1884 #if wxUSE_TOOLTIPS
1885     if ( m_tooltip )
1886     {
1887         // relay mouse move events to the tooltip control
1888         MSG *msg = (MSG *)pMsg;
1889         if ( msg->message == WM_MOUSEMOVE )
1890             m_tooltip->RelayEvent(pMsg);
1891     }
1892 #endif // wxUSE_TOOLTIPS
1893
1894     return FALSE;
1895 }
1896
1897 bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
1898 {
1899 #if wxUSE_ACCEL && !defined(__WXUNIVERSAL__)
1900     return m_acceleratorTable.Translate(this, pMsg);
1901 #else
1902     return FALSE;
1903 #endif // wxUSE_ACCEL
1904 }
1905
1906 bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* pMsg)
1907 {
1908     // preprocess all messages by default
1909     return TRUE;
1910 }
1911
1912 // ---------------------------------------------------------------------------
1913 // message params unpackers (different for Win16 and Win32)
1914 // ---------------------------------------------------------------------------
1915
1916 #ifdef __WIN32__
1917
1918 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1919                              WORD *id, WXHWND *hwnd, WORD *cmd)
1920 {
1921     *id = LOWORD(wParam);
1922     *hwnd = (WXHWND)lParam;
1923     *cmd = HIWORD(wParam);
1924 }
1925
1926 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1927                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1928 {
1929     *state = LOWORD(wParam);
1930     *minimized = HIWORD(wParam);
1931     *hwnd = (WXHWND)lParam;
1932 }
1933
1934 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1935                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1936 {
1937     *code = LOWORD(wParam);
1938     *pos = HIWORD(wParam);
1939     *hwnd = (WXHWND)lParam;
1940 }
1941
1942 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1943                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1944 {
1945 #ifndef __WXMICROWIN__
1946     *nCtlColor = CTLCOLOR_BTN;
1947     *hwnd = (WXHWND)lParam;
1948     *hdc = (WXHDC)wParam;
1949 #endif
1950 }
1951
1952 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1953                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1954 {
1955     *item = (WXWORD)wParam;
1956     *flags = HIWORD(wParam);
1957     *hmenu = (WXHMENU)lParam;
1958 }
1959
1960 #else // Win16
1961
1962 void wxWindowMSW::UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
1963                              WXWORD *id, WXHWND *hwnd, WXWORD *cmd)
1964 {
1965     *id = (WXWORD)wParam;
1966     *hwnd = (WXHWND)LOWORD(lParam);
1967     *cmd = HIWORD(lParam);
1968 }
1969
1970 void wxWindowMSW::UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
1971                               WXWORD *state, WXWORD *minimized, WXHWND *hwnd)
1972 {
1973     *state = (WXWORD)wParam;
1974     *minimized = LOWORD(lParam);
1975     *hwnd = (WXHWND)HIWORD(lParam);
1976 }
1977
1978 void wxWindowMSW::UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
1979                             WXWORD *code, WXWORD *pos, WXHWND *hwnd)
1980 {
1981     *code = (WXWORD)wParam;
1982     *pos = LOWORD(lParam);
1983     *hwnd = (WXHWND)HIWORD(lParam);
1984 }
1985
1986 void wxWindowMSW::UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
1987                               WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd)
1988 {
1989     *hwnd = (WXHWND)LOWORD(lParam);
1990     *nCtlColor = (int)HIWORD(lParam);
1991     *hdc = (WXHDC)wParam;
1992 }
1993
1994 void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
1995                                 WXWORD *item, WXWORD *flags, WXHMENU *hmenu)
1996 {
1997     *item = (WXWORD)wParam;
1998     *flags = LOWORD(lParam);
1999     *hmenu = (WXHMENU)HIWORD(lParam);
2000 }
2001
2002 #endif // Win32/16
2003
2004 // ---------------------------------------------------------------------------
2005 // Main wxWindows window proc and the window proc for wxWindow
2006 // ---------------------------------------------------------------------------
2007
2008 // Hook for new window just as it's being created, when the window isn't yet
2009 // associated with the handle
2010 wxWindowMSW *wxWndHook = NULL;
2011
2012 // Main window proc
2013 LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
2014 {
2015     // trace all messages - useful for the debugging
2016 #ifdef __WXDEBUG__
2017     wxLogTrace(wxTraceMessages, wxT("Processing %s(wParam=%8lx, lParam=%8lx)"),
2018                wxGetMessageName(message), wParam, lParam);
2019 #endif // __WXDEBUG__
2020
2021     wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd);
2022
2023     // when we get the first message for the HWND we just created, we associate
2024     // it with wxWindow stored in wxWndHook
2025     if ( !wnd && wxWndHook )
2026     {
2027 #if 0 // def __WXDEBUG__
2028         char buf[512];
2029         ::GetClassNameA((HWND) hWnd, buf, 512);
2030         wxString className(buf);
2031 #endif
2032
2033         wxAssociateWinWithHandle(hWnd, wxWndHook);
2034         wnd = wxWndHook;
2035         wxWndHook = NULL;
2036         wnd->SetHWND((WXHWND)hWnd);
2037     }
2038
2039     LRESULT rc;
2040
2041     // Stop right here if we don't have a valid handle in our wxWindow object.
2042     if ( wnd && !wnd->GetHWND() )
2043     {
2044         // FIXME: why do we do this?
2045         wnd->SetHWND((WXHWND) hWnd);
2046         rc = wnd->MSWDefWindowProc(message, wParam, lParam );
2047         wnd->SetHWND(0);
2048     }
2049     else
2050     {
2051         if ( wnd )
2052             rc = wnd->MSWWindowProc(message, wParam, lParam);
2053         else
2054             rc = DefWindowProc( hWnd, message, wParam, lParam );
2055     }
2056
2057     return rc;
2058 }
2059
2060 long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
2061 {
2062     // did we process the message?
2063     bool processed = FALSE;
2064
2065     // the return value
2066     union
2067     {
2068         bool        allow;
2069         long        result;
2070         WXHICON     hIcon;
2071         WXHBRUSH    hBrush;
2072     } rc;
2073
2074     // for most messages we should return 0 when we do process the message
2075     rc.result = 0;
2076
2077     switch ( message )
2078     {
2079         case WM_CREATE:
2080             {
2081                 bool mayCreate;
2082                 processed = HandleCreate((WXLPCREATESTRUCT)lParam, &mayCreate);
2083                 if ( processed )
2084                 {
2085                     // return 0 to allow window creation
2086                     rc.result = mayCreate ? 0 : -1;
2087                 }
2088             }
2089             break;
2090
2091         case WM_DESTROY:
2092             // never set processed to TRUE and *always* pass WM_DESTROY to
2093             // DefWindowProc() as Windows may do some internal cleanup when
2094             // processing it and failing to pass the message along may cause
2095             // memory and resource leaks!
2096             (void)HandleDestroy();
2097             break;
2098
2099         case WM_MOVE:
2100             processed = HandleMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2101             break;
2102
2103         case WM_SIZE:
2104             switch ( wParam )
2105             {
2106                 case SIZE_MAXHIDE:
2107                 case SIZE_MAXSHOW:
2108                     // we're not interested in these messages at all
2109                     break;
2110
2111                 case SIZE_MINIMIZED:
2112                     // we shouldn't send sizev events for these messages as the
2113                     // client size may be negative which breaks existing code
2114                     //
2115                     // OTOH we might send another (wxMinimizedEvent?) one or
2116                     // add an additional parameter to wxSizeEvent if this is
2117                     // useful to anybody
2118                     break;
2119
2120                 default:
2121                     wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
2122                     // fall through nevertheless
2123
2124                 case SIZE_MAXIMIZED:
2125                 case SIZE_RESTORED:
2126                     processed = HandleSize(LOWORD(lParam), HIWORD(lParam),
2127                                            wParam);
2128             }
2129             break;
2130
2131 #ifndef __WXMICROWIN__
2132         case WM_ACTIVATEAPP:
2133             wxTheApp->SetActive(wParam != 0, FindFocus());
2134             break;
2135 #endif
2136
2137         case WM_ACTIVATE:
2138             {
2139                 WXWORD state, minimized;
2140                 WXHWND hwnd;
2141                 UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
2142
2143                 processed = HandleActivate(state, minimized != 0, (WXHWND)hwnd);
2144             }
2145             break;
2146
2147         case WM_SETFOCUS:
2148             processed = HandleSetFocus((WXHWND)(HWND)wParam);
2149             break;
2150
2151         case WM_KILLFOCUS:
2152             processed = HandleKillFocus((WXHWND)(HWND)wParam);
2153             break;
2154
2155         case WM_PAINT:
2156             processed = HandlePaint();
2157             break;
2158
2159         case WM_CLOSE:
2160             // don't let the DefWindowProc() destroy our window - we'll do it
2161             // ourselves in ~wxWindow
2162             processed = TRUE;
2163             rc.result = TRUE;
2164             break;
2165
2166         case WM_SHOWWINDOW:
2167             processed = HandleShow(wParam != 0, (int)lParam);
2168             break;
2169
2170         case WM_MOUSEMOVE:
2171             processed = HandleMouseMove(GET_X_LPARAM(lParam),
2172                                         GET_Y_LPARAM(lParam),
2173                                         wParam);
2174             break;
2175
2176 #if wxUSE_MOUSEWHEEL
2177         case WM_MOUSEWHEEL:
2178             processed = HandleMouseWheel(wParam, lParam);
2179             break;
2180 #endif
2181
2182         case WM_LBUTTONDOWN:
2183         case WM_LBUTTONUP:
2184         case WM_LBUTTONDBLCLK:
2185         case WM_RBUTTONDOWN:
2186         case WM_RBUTTONUP:
2187         case WM_RBUTTONDBLCLK:
2188         case WM_MBUTTONDOWN:
2189         case WM_MBUTTONUP:
2190         case WM_MBUTTONDBLCLK:
2191          {
2192                 processed = FALSE;
2193 #ifdef __WXMICROWIN__
2194                 // MicroWindows seems to ignore the fact that a window is
2195                 // disabled. So catch mouse events and throw them away if
2196                 // necessary.
2197                 wxWindowMSW* win = this;
2198                 while (win)
2199                 {
2200                     if (!win->IsEnabled())
2201                     {
2202                         processed = TRUE;
2203                         break;
2204                     }
2205                     win = win->GetParent();
2206                     if (win && win->IsTopLevel())
2207                         break;
2208                 }
2209 #endif // __WXMICROWIN__
2210                 if (!processed)
2211                 {
2212                     if (message == WM_LBUTTONDOWN && AcceptsFocus())
2213                         SetFocus();
2214                      processed = HandleMouseEvent(message,
2215                                          GET_X_LPARAM(lParam),
2216                                          GET_Y_LPARAM(lParam),
2217                                                   wParam);
2218                 }
2219                 break;
2220          }
2221
2222 #ifdef __WXMICROWIN__
2223         case WM_NCLBUTTONDOWN:
2224         case WM_NCLBUTTONUP:
2225         case WM_NCLBUTTONDBLCLK:
2226         case WM_NCRBUTTONDOWN:
2227         case WM_NCRBUTTONUP:
2228         case WM_NCRBUTTONDBLCLK:
2229 #if 0
2230         case WM_NCMBUTTONDOWN:
2231         case WM_NCMBUTTONUP:
2232         case WM_NCMBUTTONDBLCLK:
2233 #endif
2234             {
2235                 // MicroWindows seems to ignore the fact that a window
2236                 // is disabled. So catch mouse events and throw them away if necessary.
2237                 processed = FALSE;
2238                 wxWindowMSW* win = this;
2239                 while (win)
2240                 {
2241                     if (!win->IsEnabled())
2242                     {
2243                         processed = TRUE;
2244                         break;
2245                     }
2246                     win = win->GetParent();
2247                     if (win && win->IsTopLevel())
2248                         break;
2249                 }
2250                 break;
2251             }
2252 #endif // __WXMICROWIN__
2253
2254 #ifdef MM_JOY1MOVE
2255         case MM_JOY1MOVE:
2256         case MM_JOY2MOVE:
2257         case MM_JOY1ZMOVE:
2258         case MM_JOY2ZMOVE:
2259         case MM_JOY1BUTTONDOWN:
2260         case MM_JOY2BUTTONDOWN:
2261         case MM_JOY1BUTTONUP:
2262         case MM_JOY2BUTTONUP:
2263             processed = HandleJoystickEvent(message,
2264                                             GET_X_LPARAM(lParam),
2265                                             GET_Y_LPARAM(lParam),
2266                                             wParam);
2267             break;
2268 #endif // __WXMICROWIN__
2269
2270         case WM_SYSCOMMAND:
2271             processed = HandleSysCommand(wParam, lParam);
2272             break;
2273
2274         case WM_COMMAND:
2275             {
2276                 WORD id, cmd;
2277                 WXHWND hwnd;
2278                 UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
2279
2280                 processed = HandleCommand(id, cmd, hwnd);
2281             }
2282             break;
2283
2284 #ifdef __WIN95__
2285         case WM_NOTIFY:
2286             processed = HandleNotify((int)wParam, lParam, &rc.result);
2287             break;
2288 #endif  // Win95
2289
2290             // for these messages we must return TRUE if process the message
2291 #ifdef WM_DRAWITEM
2292         case WM_DRAWITEM:
2293         case WM_MEASUREITEM:
2294             {
2295                 int idCtrl = (UINT)wParam;
2296                 if ( message == WM_DRAWITEM )
2297                 {
2298                     processed = MSWOnDrawItem(idCtrl,
2299                                               (WXDRAWITEMSTRUCT *)lParam);
2300                 }
2301                 else
2302                 {
2303                     processed = MSWOnMeasureItem(idCtrl,
2304                                                  (WXMEASUREITEMSTRUCT *)lParam);
2305                 }
2306
2307                 if ( processed )
2308                     rc.result = TRUE;
2309             }
2310             break;
2311 #endif // defined(WM_DRAWITEM)
2312
2313         case WM_GETDLGCODE:
2314             if ( m_lDlgCode )
2315             {
2316                 rc.result = m_lDlgCode;
2317                 processed = TRUE;
2318             }
2319             //else: get the dlg code from the DefWindowProc()
2320             break;
2321
2322         case WM_SYSKEYDOWN:
2323         case WM_KEYDOWN:
2324             // If this has been processed by an event handler,
2325             // return 0 now (we've handled it).
2326             if ( HandleKeyDown((WORD) wParam, lParam) )
2327             {
2328                 processed = TRUE;
2329
2330                 break;
2331             }
2332
2333             // we consider these message "not interesting" to OnChar
2334             if ( wParam == VK_SHIFT || wParam == VK_CONTROL )
2335             {
2336                 processed = TRUE;
2337
2338                 break;
2339             }
2340
2341             switch ( wParam )
2342             {
2343                 // avoid duplicate messages to OnChar for these ASCII keys: they
2344                 // will be translated by TranslateMessage() and received in WM_CHAR
2345                 case VK_ESCAPE:
2346                 case VK_SPACE:
2347                 case VK_RETURN:
2348                 case VK_BACK:
2349                 case VK_TAB:
2350                 case VK_ADD:
2351                 case VK_SUBTRACT:
2352                     // but set processed to FALSE, not TRUE to still pass them to
2353                     // the control's default window proc - otherwise built-in
2354                     // keyboard handling won't work
2355                     processed = FALSE;
2356
2357                     break;
2358
2359 #ifdef VK_APPS
2360                 // special case of VK_APPS: treat it the same as right mouse
2361                 // click because both usually pop up a context menu
2362                 case VK_APPS:
2363                     {
2364                         WPARAM flags;
2365                         int x, y;
2366
2367                         TranslateKbdEventToMouse(this, &x, &y, &flags);
2368                         processed = HandleMouseEvent(WM_RBUTTONDOWN, x, y, flags);
2369                     }
2370                     break;
2371 #endif // VK_APPS
2372
2373                 case VK_LEFT:
2374                 case VK_RIGHT:
2375                 case VK_DOWN:
2376                 case VK_UP:
2377                 default:
2378                     processed = HandleChar((WORD)wParam, lParam);
2379             }
2380             break;
2381
2382         case WM_SYSKEYUP:
2383         case WM_KEYUP:
2384 #ifdef VK_APPS
2385             // special case of VK_APPS: treat it the same as right mouse button
2386             if ( wParam == VK_APPS )
2387             {
2388                 WPARAM flags;
2389                 int x, y;
2390
2391                 TranslateKbdEventToMouse(this, &x, &y, &flags);
2392                 processed = HandleMouseEvent(WM_RBUTTONUP, x, y, flags);
2393             }
2394             else
2395 #endif // VK_APPS
2396             {
2397                 processed = HandleKeyUp((WORD) wParam, lParam);
2398             }
2399             break;
2400
2401         case WM_SYSCHAR:
2402         case WM_CHAR: // Always an ASCII character
2403             processed = HandleChar((WORD)wParam, lParam, TRUE);
2404             break;
2405
2406         case WM_HSCROLL:
2407         case WM_VSCROLL:
2408             {
2409                 WXWORD code, pos;
2410                 WXHWND hwnd;
2411                 UnpackScroll(wParam, lParam, &code, &pos, &hwnd);
2412
2413                 processed = MSWOnScroll(message == WM_HSCROLL ? wxHORIZONTAL
2414                                                               : wxVERTICAL,
2415                                         code, pos, hwnd);
2416             }
2417             break;
2418
2419         // CTLCOLOR messages are sent by children to query the parent for their
2420         // colors#ifndef __WXMICROWIN__
2421 #ifndef __WXMICROWIN__
2422 #ifdef __WIN32__
2423         case WM_CTLCOLORMSGBOX:
2424         case WM_CTLCOLOREDIT:
2425         case WM_CTLCOLORLISTBOX:
2426         case WM_CTLCOLORBTN:
2427         case WM_CTLCOLORDLG:
2428         case WM_CTLCOLORSCROLLBAR:
2429         case WM_CTLCOLORSTATIC:
2430 #else // Win16
2431         case WM_CTLCOLOR:
2432 #endif // Win32/16
2433             {
2434                 WXWORD nCtlColor;
2435                 WXHDC hdc;
2436                 WXHWND hwnd;
2437                 UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
2438
2439                 processed = HandleCtlColor(&rc.hBrush,
2440                                            (WXHDC)hdc,
2441                                            (WXHWND)hwnd,
2442                                            nCtlColor,
2443                                            message,
2444                                            wParam,
2445                                            lParam);
2446             }
2447             break;
2448 #endif // !__WXMICROWIN__
2449
2450             // the return value for this message is ignored
2451         case WM_SYSCOLORCHANGE:
2452             processed = HandleSysColorChange();
2453             break;
2454
2455         case WM_PALETTECHANGED:
2456             processed = HandlePaletteChanged((WXHWND) (HWND) wParam);
2457             break;
2458
2459         case WM_QUERYNEWPALETTE:
2460             processed = HandleQueryNewPalette();
2461             break;
2462
2463         case WM_ERASEBKGND:
2464             processed = HandleEraseBkgnd((WXHDC)(HDC)wParam);
2465             if ( processed )
2466             {
2467                 // we processed the message, i.e. erased the background
2468                 rc.result = TRUE;
2469             }
2470             break;
2471
2472         case WM_DROPFILES:
2473             processed = HandleDropFiles(wParam);
2474             break;
2475
2476         case WM_INITDIALOG:
2477             processed = HandleInitDialog((WXHWND)(HWND)wParam);
2478
2479             if ( processed )
2480             {
2481                 // we never set focus from here
2482                 rc.result = FALSE;
2483             }
2484             break;
2485
2486         case WM_QUERYENDSESSION:
2487             processed = HandleQueryEndSession(lParam, &rc.allow);
2488             break;
2489
2490         case WM_ENDSESSION:
2491             processed = HandleEndSession(wParam != 0, lParam);
2492             break;
2493
2494         case WM_GETMINMAXINFO:
2495             processed = HandleGetMinMaxInfo((MINMAXINFO*)lParam);
2496             break;
2497
2498         case WM_SETCURSOR:
2499             processed = HandleSetCursor((WXHWND)(HWND)wParam,
2500                                         LOWORD(lParam),     // hit test
2501                                         HIWORD(lParam));    // mouse msg
2502
2503             if ( processed )
2504             {
2505                 // returning TRUE stops the DefWindowProc() from further
2506                 // processing this message - exactly what we need because we've
2507                 // just set the cursor.
2508                 rc.result = TRUE;
2509             }
2510             break;
2511
2512 #if defined(__WIN32__) && defined(WM_HELP)
2513         case WM_HELP:
2514             {
2515                 HELPINFO* info = (HELPINFO*) lParam;
2516                 // Don't yet process menu help events, just windows
2517                 if (info->iContextType == HELPINFO_WINDOW)
2518                 {
2519                     wxWindowMSW* subjectOfHelp = this;
2520                     bool eventProcessed = FALSE;
2521                     while (subjectOfHelp && !eventProcessed)
2522                     {
2523                         wxHelpEvent helpEvent(wxEVT_HELP,
2524                                               subjectOfHelp->GetId(),
2525                                               wxPoint(info->MousePos.x,
2526                                               info->MousePos.y) );
2527                         helpEvent.SetEventObject(this);
2528                         eventProcessed =
2529                             GetEventHandler()->ProcessEvent(helpEvent);
2530
2531                         // Go up the window hierarchy until the event is
2532                         // handled (or not)
2533                         subjectOfHelp = subjectOfHelp->GetParent();
2534                     }
2535
2536                     processed = eventProcessed;
2537                 }
2538                 else if (info->iContextType == HELPINFO_MENUITEM)
2539                 {
2540                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
2541                     helpEvent.SetEventObject(this);
2542                     processed = GetEventHandler()->ProcessEvent(helpEvent);
2543
2544                 }
2545                 //else: processed is already FALSE
2546             }
2547             break;
2548
2549         case WM_CONTEXTMENU:
2550             {
2551                 // we don't convert from screen to client coordinates as
2552                 // the event may be handled by a parent window
2553                 wxPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
2554
2555                 wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU, GetId(), pt);
2556                 processed = GetEventHandler()->ProcessEvent(evtCtx);
2557             }
2558             break;
2559 #endif // __WIN32__
2560
2561 #ifdef __WXUNIVERSAL__
2562         case WM_NCHITTEST:
2563             // we shouldn't allow the windows which don't want to get focus to
2564             // get it
2565             if ( !AcceptsFocus() )
2566             {
2567                 rc.result = HTTRANSPARENT;
2568                 processed = TRUE;
2569             }
2570             break;
2571 #endif // __WXUNIVERSAL__
2572     }
2573
2574     if ( !processed )
2575     {
2576 #ifdef __WXDEBUG__
2577         wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
2578                    wxGetMessageName(message));
2579 #endif // __WXDEBUG__
2580         rc.result = MSWDefWindowProc(message, wParam, lParam);
2581     }
2582
2583     return rc.result;
2584 }
2585
2586 // Dialog window proc
2587 LONG APIENTRY _EXPORT
2588 wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam))
2589 {
2590     if ( message == WM_INITDIALOG )
2591     {
2592         // for this message, returning TRUE tells system to set focus to the
2593         // first control in the dialog box
2594         return TRUE;
2595     }
2596     else
2597     {
2598         // for all the other ones, FALSE means that we didn't process the
2599         // message
2600         return 0;
2601     }
2602 }
2603
2604 wxList *wxWinHandleList = NULL;
2605 wxWindow *wxFindWinFromHandle(WXHWND hWnd)
2606 {
2607     wxNode *node = wxWinHandleList->Find((long)hWnd);
2608     if ( !node )
2609         return NULL;
2610     return (wxWindow *)node->Data();
2611 }
2612
2613 #if 0 // def __WXDEBUG__
2614 static int gs_AssociationCount = 0;
2615 #endif
2616
2617 void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win)
2618 {
2619     // adding NULL hWnd is (first) surely a result of an error and
2620     // (secondly) breaks menu command processing
2621     wxCHECK_RET( hWnd != (HWND)NULL,
2622                  wxT("attempt to add a NULL hWnd to window list ignored") );
2623
2624
2625     wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd);
2626     if ( oldWin && (oldWin != win) )
2627     {
2628         wxString str(win->GetClassInfo()->GetClassName());
2629         wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str);
2630     }
2631     else if (!oldWin)
2632     {
2633 #if 0 // def __WXDEBUG__
2634         gs_AssociationCount ++;
2635         wxLogDebug("+ Association %d", gs_AssociationCount);
2636 #endif
2637
2638         wxWinHandleList->Append((long)hWnd, win);
2639     }
2640 }
2641
2642 void wxRemoveHandleAssociation(wxWindowMSW *win)
2643 {
2644 #if 0 // def __WXDEBUG__
2645     if (wxWinHandleList->Member(win))
2646     {
2647         wxLogDebug("- Association %d", gs_AssociationCount);
2648         gs_AssociationCount --;
2649     }
2650 #endif
2651     wxWinHandleList->DeleteObject(win);
2652 }
2653
2654 // Default destroyer - override if you destroy it in some other way
2655 // (e.g. with MDI child windows)
2656 void wxWindowMSW::MSWDestroyWindow()
2657 {
2658 }
2659
2660 void wxWindowMSW::MSWDetachWindowMenu()
2661 {
2662 #ifndef __WXUNIVERSAL__
2663     if ( m_hMenu )
2664     {
2665         wxChar buf[1024];
2666         HMENU hMenu = (HMENU)m_hMenu;
2667
2668         int N = ::GetMenuItemCount(hMenu);
2669         for ( int i = 0; i < N; i++ )
2670         {
2671             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
2672             {
2673                 wxLogLastError(wxT("GetMenuString"));
2674
2675                 continue;
2676             }
2677
2678             if ( wxStrcmp(buf, _("&Window")) == 0 )
2679             {
2680                 if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
2681                 {
2682                     wxLogLastError(wxT("RemoveMenu"));
2683                 }
2684
2685                 break;
2686             }
2687         }
2688     }
2689 #endif
2690 }
2691
2692 bool wxWindowMSW::MSWCreate(int id,
2693                             wxWindow *parent,
2694                             const wxChar *wclass,
2695                             wxWindow * WXUNUSED(wx_win),
2696                             const wxChar *title,
2697                             int x,
2698                             int y,
2699                             int width,
2700                             int height,
2701                             WXDWORD style,
2702                             const wxChar *dialog_template,
2703                             WXDWORD extendedStyle)
2704 {
2705     int x1 = CW_USEDEFAULT;
2706     int y1 = 0;
2707     int width1 = CW_USEDEFAULT;
2708     int height1 = 100;
2709
2710     // Find parent's size, if it exists, to set up a possible default
2711     // panel size the size of the parent window
2712     RECT rectParent;
2713     if ( parent )
2714     {
2715         ::GetClientRect(GetHwndOf(parent), &rectParent);
2716
2717         width1 = rectParent.right - rectParent.left;
2718         height1 = rectParent.bottom - rectParent.top;
2719     }
2720
2721     if ( x != -1 )
2722         x1 = x;
2723     if ( y != -1 )
2724         y1 = y;
2725     if ( width != -1 )
2726         width1 = width;
2727     if ( height != -1 )
2728         height1 = height;
2729
2730     // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the
2731     // hierarchy with several embedded panels (and not all of them) causes the
2732     // program to hang during the next call to IsDialogMessage() due to the bug
2733     // in this function (at least in Windows NT 4.0, it seems to work ok in
2734     // Win2K)
2735 #if 0
2736     // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or
2737     // IsDialogMessage() won't work for us
2738     if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL )
2739     {
2740         extendedStyle |= WS_EX_CONTROLPARENT;
2741     }
2742 #endif // 0
2743
2744     HWND hParent;
2745     if ( GetWindowStyleFlag() & wxPOPUP_WINDOW )
2746     {
2747         // popup windows should have desktop as parent because they shouldn't
2748         // be limited to the parents client area as child windows usually are
2749         hParent = ::GetDesktopWindow();
2750     }
2751     else if ( parent )
2752     {
2753         hParent = GetHwndOf(parent);
2754     }
2755     else
2756     {
2757         // top level window
2758         hParent = NULL;
2759     }
2760
2761     wxWndHook = this;
2762
2763 #ifndef __WXMICROWIN__
2764     if ( dialog_template )
2765     {
2766         // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
2767         // app window as parent - this avoids creating modal dialogs without
2768         // parent
2769         if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
2770         {
2771             wxWindow *winTop = wxTheApp->GetTopWindow();
2772             if ( winTop )
2773                 hParent = GetHwndOf(winTop);
2774         }
2775
2776         m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(),
2777                                         dialog_template,
2778                                         hParent,
2779                                         (DLGPROC)wxDlgProc);
2780
2781         if ( m_hWnd == 0 )
2782         {
2783             wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."),
2784                        dialog_template);
2785
2786             return FALSE;
2787         }
2788
2789         if ( extendedStyle != 0 )
2790         {
2791             ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle);
2792             ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
2793                            SWP_NOSIZE |
2794                            SWP_NOMOVE |
2795                            SWP_NOZORDER |
2796                            SWP_NOACTIVATE);
2797         }
2798
2799 #if defined(__WIN95__)
2800         // For some reason, the system menu is activated when we use the
2801         // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
2802         if (extendedStyle & WS_EX_CONTEXTHELP)
2803         {
2804             wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
2805             if ( winTop )
2806             {
2807                 wxIcon icon = winTop->GetIcon();
2808                 if ( icon.Ok() )
2809                 {
2810                     ::SendMessage(GetHwnd(), WM_SETICON,
2811                                   (WPARAM)TRUE,
2812                                   (LPARAM)GetHiconOf(icon));
2813                 }
2814             }
2815         }
2816 #endif // __WIN95__
2817
2818
2819         // JACS: is the following still necessary? The above seems to work.
2820
2821         // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try
2822         // to take care of (at least some) extended style flags ourselves
2823         if ( extendedStyle & WS_EX_TOPMOST )
2824         {
2825             if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0,
2826                                  SWP_NOSIZE | SWP_NOMOVE) )
2827             {
2828                 wxLogLastError(wxT("SetWindowPos"));
2829             }
2830         }
2831
2832         // move the dialog to its initial position without forcing repainting
2833         if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) )
2834         {
2835             wxLogLastError(wxT("MoveWindow"));
2836         }
2837
2838     }
2839     else // creating a normal window, not a dialog
2840 #endif // !__WXMICROWIN__
2841     {
2842         int controlId = 0;
2843         if ( style & WS_CHILD )
2844         {
2845             controlId = id;
2846
2847             if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS )
2848             {
2849                 style |= WS_CLIPSIBLINGS;
2850             }
2851         }
2852
2853         wxString className(wclass);
2854         if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
2855         {
2856             className += wxT("NR");
2857         }
2858
2859         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
2860                                         className,
2861                                         title ? title : wxT(""),
2862                                         style,
2863                                         x1, y1,
2864                                         width1, height1,
2865                                         hParent, (HMENU)controlId,
2866                                         wxGetInstance(),
2867                                         NULL);
2868
2869         if ( !m_hWnd )
2870         {
2871             wxLogSysError(_("Can't create window of class %s"), wclass);
2872
2873             return FALSE;
2874         }
2875     }
2876
2877     wxWndHook = NULL;
2878
2879 #ifdef __WXDEBUG__
2880     wxNode* node = wxWinHandleList->Member(this);
2881     if (node)
2882     {
2883         HWND hWnd = (HWND) node->GetKeyInteger();
2884         if (hWnd != (HWND) m_hWnd)
2885         {
2886             wxLogError(wxT("A second HWND association is being added for the same window!"));
2887         }
2888     }
2889 #endif // Debug
2890
2891     wxAssociateWinWithHandle((HWND) m_hWnd, this);
2892
2893     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2894
2895     return TRUE;
2896 }
2897
2898 // ===========================================================================
2899 // MSW message handlers
2900 // ===========================================================================
2901
2902 // ---------------------------------------------------------------------------
2903 // WM_NOTIFY
2904 // ---------------------------------------------------------------------------
2905
2906 #ifdef __WIN95__
2907 // FIXME: VZ: I'm not sure at all that the order of processing is correct
2908 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2909 {
2910 #ifndef __WXMICROWIN__
2911     LPNMHDR hdr = (LPNMHDR)lParam;
2912     HWND hWnd = hdr->hwndFrom;
2913     wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
2914
2915     // is this one of our windows?
2916     if ( win )
2917     {
2918         return win->MSWOnNotify(idCtrl, lParam, result);
2919     }
2920
2921     // try all our children
2922     wxWindowList::Node *node = GetChildren().GetFirst();
2923     while ( node )
2924     {
2925         wxWindow *child = node->GetData();
2926         if ( child->MSWOnNotify(idCtrl, lParam, result) )
2927         {
2928             return TRUE;
2929         }
2930
2931         node = node->GetNext();
2932     }
2933
2934     // finally try this window too (catches toolbar case)
2935     return MSWOnNotify(idCtrl, lParam, result);
2936 #else // __WXMICROWIN__
2937     return FALSE;
2938 #endif
2939 }
2940
2941 bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
2942                            WXLPARAM lParam,
2943                            WXLPARAM* WXUNUSED(result))
2944 {
2945 #if wxUSE_TOOLTIPS
2946     NMHDR* hdr = (NMHDR *)lParam;
2947     if ( (int)hdr->code == TTN_NEEDTEXT && m_tooltip )
2948     {
2949         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
2950         ttt->lpszText = (wxChar *)m_tooltip->GetTip().c_str();
2951
2952         // processed
2953         return TRUE;
2954     }
2955 #endif // wxUSE_TOOLTIPS
2956
2957     return FALSE;
2958 }
2959 #endif // __WIN95__
2960
2961 // ---------------------------------------------------------------------------
2962 // end session messages
2963 // ---------------------------------------------------------------------------
2964
2965 bool wxWindowMSW::HandleQueryEndSession(long logOff, bool *mayEnd)
2966 {
2967     wxCloseEvent event(wxEVT_QUERY_END_SESSION, -1);
2968     event.SetEventObject(wxTheApp);
2969     event.SetCanVeto(TRUE);
2970     event.SetLoggingOff(logOff == (long)ENDSESSION_LOGOFF);
2971
2972     bool rc = wxTheApp->ProcessEvent(event);
2973
2974     if ( rc )
2975     {
2976         // we may end only if the app didn't veto session closing (double
2977         // negation...)
2978         *mayEnd = !event.GetVeto();
2979     }
2980
2981     return rc;
2982 }
2983
2984 bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
2985 {
2986     // do nothing if the session isn't ending
2987     if ( !endSession )
2988         return FALSE;
2989
2990     // only send once
2991     if ( (this != wxTheApp->GetTopWindow()) )
2992         return FALSE;
2993
2994     wxCloseEvent event(wxEVT_END_SESSION, -1);
2995     event.SetEventObject(wxTheApp);
2996     event.SetCanVeto(FALSE);
2997     event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
2998
2999     return wxTheApp->ProcessEvent(event);
3000 }
3001
3002 // ---------------------------------------------------------------------------
3003 // window creation/destruction
3004 // ---------------------------------------------------------------------------
3005
3006 bool wxWindowMSW::HandleCreate(WXLPCREATESTRUCT WXUNUSED(cs), bool *mayCreate)
3007 {
3008     // TODO: should generate this event from WM_NCCREATE
3009     wxWindowCreateEvent event((wxWindow *)this);
3010     (void)GetEventHandler()->ProcessEvent(event);
3011
3012     *mayCreate = TRUE;
3013
3014     return TRUE;
3015 }
3016
3017 bool wxWindowMSW::HandleDestroy()
3018 {
3019     wxWindowDestroyEvent event((wxWindow *)this);
3020     (void)GetEventHandler()->ProcessEvent(event);
3021
3022     // delete our drop target if we've got one
3023 #if wxUSE_DRAG_AND_DROP
3024     if ( m_dropTarget != NULL )
3025     {
3026         m_dropTarget->Revoke(m_hWnd);
3027
3028         delete m_dropTarget;
3029         m_dropTarget = NULL;
3030     }
3031 #endif // wxUSE_DRAG_AND_DROP
3032
3033     // WM_DESTROY handled
3034     return TRUE;
3035 }
3036
3037 // ---------------------------------------------------------------------------
3038 // activation/focus
3039 // ---------------------------------------------------------------------------
3040
3041 bool wxWindowMSW::HandleActivate(int state,
3042                               bool WXUNUSED(minimized),
3043                               WXHWND WXUNUSED(activate))
3044 {
3045     wxActivateEvent event(wxEVT_ACTIVATE,
3046                           (state == WA_ACTIVE) || (state == WA_CLICKACTIVE),
3047                           m_windowId);
3048     event.SetEventObject(this);
3049
3050     return GetEventHandler()->ProcessEvent(event);
3051 }
3052
3053 bool wxWindowMSW::HandleSetFocus(WXHWND hwnd)
3054 {
3055     // notify the parent keeping track of focus for the kbd navigation
3056     // purposes that we got it
3057     wxChildFocusEvent eventFocus((wxWindow *)this);
3058     (void)GetEventHandler()->ProcessEvent(eventFocus);
3059
3060 #if wxUSE_CARET
3061     // Deal with caret
3062     if ( m_caret )
3063     {
3064         m_caret->OnSetFocus();
3065     }
3066 #endif // wxUSE_CARET
3067
3068 #if wxUSE_TEXTCTRL
3069     // If it's a wxTextCtrl don't send the event as it will be done
3070     // after the control gets to process it from EN_FOCUS handler
3071     if ( wxDynamicCastThis(wxTextCtrl) )
3072     {
3073         return FALSE;
3074     }
3075 #endif // wxUSE_TEXTCTRL
3076
3077     wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
3078     event.SetEventObject(this);
3079
3080     // wxFindWinFromHandle() may return NULL, it is ok
3081     event.SetWindow(wxFindWinFromHandle(hwnd));
3082
3083     return GetEventHandler()->ProcessEvent(event);
3084 }
3085
3086 bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
3087 {
3088 #if wxUSE_CARET
3089     // Deal with caret
3090     if ( m_caret )
3091     {
3092         m_caret->OnKillFocus();
3093     }
3094 #endif // wxUSE_CARET
3095
3096 #if wxUSE_TEXTCTRL
3097     // If it's a wxTextCtrl don't send the event as it will be done
3098     // after the control gets to process it.
3099     wxTextCtrl *ctrl = wxDynamicCastThis(wxTextCtrl);
3100     if ( ctrl )
3101     {
3102         return FALSE;
3103     }
3104 #endif
3105
3106     wxFocusEvent event(wxEVT_KILL_FOCUS, m_windowId);
3107     event.SetEventObject(this);
3108
3109     // wxFindWinFromHandle() may return NULL, it is ok
3110     event.SetWindow(wxFindWinFromHandle(hwnd));
3111
3112     return GetEventHandler()->ProcessEvent(event);
3113 }
3114
3115 // ---------------------------------------------------------------------------
3116 // miscellaneous
3117 // ---------------------------------------------------------------------------
3118
3119 bool wxWindowMSW::HandleShow(bool show, int WXUNUSED(status))
3120 {
3121     wxShowEvent event(GetId(), show);
3122     event.m_eventObject = this;
3123
3124     return GetEventHandler()->ProcessEvent(event);
3125 }
3126
3127 bool wxWindowMSW::HandleInitDialog(WXHWND WXUNUSED(hWndFocus))
3128 {
3129     wxInitDialogEvent event(GetId());
3130     event.m_eventObject = this;
3131
3132     return GetEventHandler()->ProcessEvent(event);
3133 }
3134
3135 bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam)
3136 {
3137 #ifndef __WXMICROWIN__
3138     HDROP hFilesInfo = (HDROP) wParam;
3139     POINT dropPoint;
3140     DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint);
3141
3142     // Get the total number of files dropped
3143     WORD gwFilesDropped = (WORD)::DragQueryFile
3144                             (
3145                                 (HDROP)hFilesInfo,
3146                                 (UINT)-1,
3147                                 (LPTSTR)0,
3148                                 (UINT)0
3149                             );
3150
3151     wxString *files = new wxString[gwFilesDropped];
3152     int wIndex;
3153     for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++)
3154     {
3155         DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000);
3156         files[wIndex] = wxBuffer;
3157     }
3158     DragFinish (hFilesInfo);
3159
3160     wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files);
3161     event.m_eventObject = this;
3162     event.m_pos.x = dropPoint.x;
3163     event.m_pos.y = dropPoint.y;
3164
3165     bool rc = GetEventHandler()->ProcessEvent(event);
3166
3167     delete[] files;
3168
3169     return rc;
3170 #else // __WXMICROWIN__
3171     return FALSE;
3172 #endif
3173 }
3174
3175 bool wxWindowMSW::HandleSetCursor(WXHWND WXUNUSED(hWnd),
3176                                   short nHitTest,
3177                                   int WXUNUSED(mouseMsg))
3178 {
3179 #ifndef __WXMICROWIN__
3180     // the logic is as follows:
3181     // -1. don't set cursor for non client area, including but not limited to
3182     //     the title bar, scrollbars, &c
3183     //  0. allow the user to override default behaviour by using EVT_SET_CURSOR
3184     //  1. if we have the cursor set it unless wxIsBusy()
3185     //  2. if we're a top level window, set some cursor anyhow
3186     //  3. if wxIsBusy(), set the busy cursor, otherwise the global one
3187
3188     if ( nHitTest != HTCLIENT )
3189     {
3190         return FALSE;
3191     }
3192
3193     HCURSOR hcursor = 0;
3194
3195     // first ask the user code - it may wish to set the cursor in some very
3196     // specific way (for example, depending on the current position)
3197     POINT pt;
3198 #ifdef __WIN32__
3199     if ( !::GetCursorPos(&pt) )
3200     {
3201         wxLogLastError(wxT("GetCursorPos"));
3202     }
3203 #else
3204     // In WIN16 it doesn't return a value.
3205     ::GetCursorPos(&pt);
3206 #endif
3207
3208     int x = pt.x,
3209         y = pt.y;
3210     ScreenToClient(&x, &y);
3211     wxSetCursorEvent event(x, y);
3212
3213     bool processedEvtSetCursor = GetEventHandler()->ProcessEvent(event);
3214     if ( processedEvtSetCursor && event.HasCursor() )
3215     {
3216         hcursor = GetHcursorOf(event.GetCursor());
3217     }
3218
3219     if ( !hcursor )
3220     {
3221         bool isBusy = wxIsBusy();
3222
3223         // the test for processedEvtSetCursor is here to prevent using m_cursor
3224         // if the user code caught EVT_SET_CURSOR() and returned nothing from
3225         // it - this is a way to say that our cursor shouldn't be used for this
3226         // point
3227         if ( !processedEvtSetCursor && m_cursor.Ok() )
3228         {
3229             hcursor = GetHcursorOf(m_cursor);
3230         }
3231
3232         if ( !GetParent() )
3233         {
3234             if ( isBusy )
3235             {
3236                 hcursor = wxGetCurrentBusyCursor();
3237             }
3238             else if ( !hcursor )
3239             {
3240                 const wxCursor *cursor = wxGetGlobalCursor();
3241                 if ( cursor && cursor->Ok() )
3242                 {
3243                     hcursor = GetHcursorOf(*cursor);
3244                 }
3245             }
3246         }
3247     }
3248
3249     if ( hcursor )
3250     {
3251         ::SetCursor(hcursor);
3252
3253         // cursor set, stop here
3254         return TRUE;
3255     }
3256 #endif // __WXMICROWIN__
3257
3258     // pass up the window chain
3259     return FALSE;
3260 }
3261
3262 // ---------------------------------------------------------------------------
3263 // owner drawn stuff
3264 // ---------------------------------------------------------------------------
3265
3266 bool wxWindowMSW::MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *itemStruct)
3267 {
3268 #if wxUSE_OWNER_DRAWN
3269
3270 #if wxUSE_MENUS_NATIVE
3271     // is it a menu item?
3272     DRAWITEMSTRUCT *pDrawStruct = (DRAWITEMSTRUCT *)itemStruct;
3273     if ( id == 0 && pDrawStruct->CtlType == ODT_MENU )
3274     {
3275         wxMenuItem *pMenuItem = (wxMenuItem *)(pDrawStruct->itemData);
3276
3277         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3278
3279         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
3280         // the DC from being released
3281         wxDCTemp dc((WXHDC)pDrawStruct->hDC);
3282         wxRect rect(pDrawStruct->rcItem.left, pDrawStruct->rcItem.top,
3283                     pDrawStruct->rcItem.right - pDrawStruct->rcItem.left,
3284                     pDrawStruct->rcItem.bottom - pDrawStruct->rcItem.top);
3285
3286         return pMenuItem->OnDrawItem
3287                (
3288                 dc,
3289                 rect,
3290                 (wxOwnerDrawn::wxODAction)pDrawStruct->itemAction,
3291                 (wxOwnerDrawn::wxODStatus)pDrawStruct->itemState
3292                );
3293     }
3294 #endif // wxUSE_MENUS_NATIVE
3295
3296 #if wxUSE_CONTROLS
3297     wxWindow *item = FindItem(id);
3298     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3299     {
3300         return ((wxControl *)item)->MSWOnDraw(itemStruct);
3301     }
3302 #endif // wxUSE_CONTROLS
3303
3304 #endif // USE_OWNER_DRAWN
3305
3306     return FALSE;
3307 }
3308
3309 bool wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
3310 {
3311 #if wxUSE_OWNER_DRAWN
3312     // is it a menu item?
3313     MEASUREITEMSTRUCT *pMeasureStruct = (MEASUREITEMSTRUCT *)itemStruct;
3314     if ( id == 0 && pMeasureStruct->CtlType == ODT_MENU )
3315     {
3316         wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
3317
3318         wxCHECK( pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)), FALSE );
3319
3320         return pMenuItem->OnMeasureItem(&pMeasureStruct->itemWidth,
3321                                         &pMeasureStruct->itemHeight);
3322     }
3323
3324     wxWindow *item = FindItem(id);
3325     if ( item && item->IsKindOf(CLASSINFO(wxControl)) )
3326     {
3327         return ((wxControl *)item)->MSWOnMeasure(itemStruct);
3328     }
3329 #endif  // owner-drawn menus
3330     return FALSE;
3331 }
3332
3333 // ---------------------------------------------------------------------------
3334 // colours and palettes
3335 // ---------------------------------------------------------------------------
3336
3337 bool wxWindowMSW::HandleSysColorChange()
3338 {
3339     wxSysColourChangedEvent event;
3340     event.SetEventObject(this);
3341
3342     return GetEventHandler()->ProcessEvent(event);
3343 }
3344
3345 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
3346                               WXHDC pDC,
3347                               WXHWND pWnd,
3348                               WXUINT nCtlColor,
3349                               WXUINT message,
3350                               WXWPARAM wParam,
3351                               WXLPARAM lParam)
3352 {
3353 #ifndef __WXMICROWIN__
3354     WXHBRUSH hBrush = 0;
3355
3356     if ( nCtlColor == CTLCOLOR_DLG )
3357     {
3358         hBrush = OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3359     }
3360 #if wxUSE_CONTROLS
3361     else
3362     {
3363         wxControl *item = (wxControl *)FindItemByHWND(pWnd, TRUE);
3364         if ( item )
3365             hBrush = item->OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
3366     }
3367 #endif // wxUSE_CONTROLS
3368
3369     if ( hBrush )
3370         *brush = hBrush;
3371
3372     return hBrush != 0;
3373 #else // __WXMICROWIN__
3374     return FALSE;
3375 #endif
3376 }
3377
3378 // Define for each class of dialog and control
3379 WXHBRUSH wxWindowMSW::OnCtlColor(WXHDC WXUNUSED(hDC),
3380                                  WXHWND WXUNUSED(hWnd),
3381                                  WXUINT WXUNUSED(nCtlColor),
3382                                  WXUINT WXUNUSED(message),
3383                                  WXWPARAM WXUNUSED(wParam),
3384                                  WXLPARAM WXUNUSED(lParam))
3385 {
3386     return (WXHBRUSH)0;
3387 }
3388
3389 bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
3390 {
3391     wxPaletteChangedEvent event(GetId());
3392     event.SetEventObject(this);
3393     event.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
3394
3395     return GetEventHandler()->ProcessEvent(event);
3396 }
3397
3398 bool wxWindowMSW::HandleQueryNewPalette()
3399 {
3400     wxQueryNewPaletteEvent event(GetId());
3401     event.SetEventObject(this);
3402
3403     return GetEventHandler()->ProcessEvent(event) && event.GetPaletteRealized();
3404 }
3405
3406 // Responds to colour changes: passes event on to children.
3407 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
3408 {
3409     wxNode *node = GetChildren().First();
3410     while ( node )
3411     {
3412         // Only propagate to non-top-level windows
3413         wxWindow *win = (wxWindow *)node->Data();
3414         if ( win->GetParent() )
3415         {
3416             wxSysColourChangedEvent event2;
3417             event.m_eventObject = win;
3418             win->GetEventHandler()->ProcessEvent(event2);
3419         }
3420
3421         node = node->Next();
3422     }
3423 }
3424
3425 // ---------------------------------------------------------------------------
3426 // painting
3427 // ---------------------------------------------------------------------------
3428
3429 bool wxWindowMSW::HandlePaint()
3430 {
3431 #ifdef __WIN32__
3432     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
3433     if ( !hRegion )
3434         wxLogLastError(wxT("CreateRectRgn"));
3435     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
3436         wxLogLastError(wxT("GetUpdateRgn"));
3437
3438     m_updateRegion = wxRegion((WXHRGN) hRegion);
3439 #else // Win16
3440     RECT updateRect;
3441     ::GetUpdateRect(GetHwnd(), &updateRect, FALSE);
3442
3443     m_updateRegion = wxRegion(updateRect.left, updateRect.top,
3444                               updateRect.right - updateRect.left,
3445                               updateRect.bottom - updateRect.top);
3446 #endif // Win32/16
3447
3448     wxPaintEvent event(m_windowId);
3449     event.SetEventObject(this);
3450
3451     bool processed = GetEventHandler()->ProcessEvent(event);
3452
3453     // note that we must generate NC event after the normal one as otherwise
3454     // BeginPaint() will happily overwrite our decorations with the background
3455     // colour
3456     wxNcPaintEvent eventNc(m_windowId);
3457     eventNc.SetEventObject(this);
3458     GetEventHandler()->ProcessEvent(eventNc);
3459
3460     return processed;
3461 }
3462
3463 // Can be called from an application's OnPaint handler
3464 void wxWindowMSW::OnPaint(wxPaintEvent& event)
3465 {
3466 #ifdef __WXUNIVERSAL__
3467     event.Skip();
3468 #else
3469     HDC hDC = (HDC) wxPaintDC::FindDCInCache((wxWindow*) event.GetEventObject());
3470     if (hDC != 0)
3471     {
3472         MSWDefWindowProc(WM_PAINT, (WPARAM) hDC, 0);
3473     }
3474 #endif
3475 }
3476
3477 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
3478 {
3479     // Prevents flicker when dragging
3480     if ( ::IsIconic(GetHwnd()) )
3481         return TRUE;
3482
3483     wxDCTemp dc(hdc);
3484
3485     dc.SetHDC(hdc);
3486     dc.SetWindow((wxWindow *)this);
3487     dc.BeginDrawing();
3488
3489     wxEraseEvent event(m_windowId, &dc);
3490     event.SetEventObject(this);
3491     bool rc = GetEventHandler()->ProcessEvent(event);
3492
3493     dc.EndDrawing();
3494
3495     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
3496     dc.SelectOldObjects(hdc);
3497
3498     return rc;
3499 }
3500
3501 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
3502 {
3503     RECT rect;
3504     ::GetClientRect(GetHwnd(), &rect);
3505
3506     COLORREF ref = PALETTERGB(m_backgroundColour.Red(),
3507                               m_backgroundColour.Green(),
3508                               m_backgroundColour.Blue());
3509     HBRUSH hBrush = ::CreateSolidBrush(ref);
3510     if ( !hBrush )
3511         wxLogLastError(wxT("CreateSolidBrush"));
3512
3513     HDC hdc = (HDC)event.GetDC()->GetHDC();
3514
3515     int mode = ::SetMapMode(hdc, MM_TEXT);
3516
3517     ::FillRect(hdc, &rect, hBrush);
3518     ::DeleteObject(hBrush);
3519     ::SetMapMode(hdc, mode);
3520 }
3521
3522 // ---------------------------------------------------------------------------
3523 // moving and resizing
3524 // ---------------------------------------------------------------------------
3525
3526 bool wxWindowMSW::HandleMinimize()
3527 {
3528     wxIconizeEvent event(m_windowId);
3529     event.SetEventObject(this);
3530
3531     return GetEventHandler()->ProcessEvent(event);
3532 }
3533
3534 bool wxWindowMSW::HandleMaximize()
3535 {
3536     wxMaximizeEvent event(m_windowId);
3537     event.SetEventObject(this);
3538
3539     return GetEventHandler()->ProcessEvent(event);
3540 }
3541
3542 bool wxWindowMSW::HandleMove(int x, int y)
3543 {
3544     wxMoveEvent event(wxPoint(x, y), m_windowId);
3545     event.SetEventObject(this);
3546
3547     return GetEventHandler()->ProcessEvent(event);
3548 }
3549
3550 bool wxWindowMSW::HandleSize(int w, int h, WXUINT WXUNUSED(flag))
3551 {
3552     wxSizeEvent event(wxSize(w, h), m_windowId);
3553     event.SetEventObject(this);
3554
3555     return GetEventHandler()->ProcessEvent(event);
3556 }
3557
3558 bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo)
3559 {
3560     MINMAXINFO *info = (MINMAXINFO *)mmInfo;
3561
3562     bool rc = FALSE;
3563
3564     if ( m_minWidth != -1 )
3565     {
3566         info->ptMinTrackSize.x = m_minWidth;
3567         rc = TRUE;
3568     }
3569
3570     if ( m_minHeight != -1 )
3571     {
3572         info->ptMinTrackSize.y = m_minHeight;
3573         rc = TRUE;
3574     }
3575
3576     if ( m_maxWidth != -1 )
3577     {
3578         info->ptMaxTrackSize.x = m_maxWidth;
3579         rc = TRUE;
3580     }
3581
3582     if ( m_maxHeight != -1 )
3583     {
3584         info->ptMaxTrackSize.y = m_maxHeight;
3585         rc = TRUE;
3586     }
3587
3588     return rc;
3589 }
3590
3591 // ---------------------------------------------------------------------------
3592 // command messages
3593 // ---------------------------------------------------------------------------
3594
3595 bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
3596 {
3597 #if wxUSE_MENUS_NATIVE
3598     if ( wxCurrentPopupMenu )
3599     {
3600         wxMenu *popupMenu = wxCurrentPopupMenu;
3601         wxCurrentPopupMenu = NULL;
3602
3603         return popupMenu->MSWCommand(cmd, id);
3604     }
3605 #endif // wxUSE_MENUS_NATIVE
3606
3607     wxWindow *win = (wxWindow*) NULL;
3608     if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
3609     {
3610         // must cast to a signed type before comparing with other ids!
3611         win = FindItem((signed short)id);
3612     }
3613
3614     if (!win && control)
3615     {
3616         // find it from HWND - this works even with the broken programs using
3617         // the same ids for different controls
3618         win = wxFindWinFromHandle(control);
3619     }
3620
3621     if ( win )
3622     {
3623         return win->MSWCommand(cmd, id);
3624     }
3625
3626     // the messages sent from the in-place edit control used by the treectrl
3627     // for label editing have id == 0, but they should _not_ be treated as menu
3628     // messages (they are EN_XXX ones, in fact) so don't translate anything
3629     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
3630     if ( !control )
3631     {
3632         // If no child window, it may be an accelerator, e.g. for a popup menu
3633         // command
3634
3635         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
3636         event.SetEventObject(this);
3637         event.SetId(id);
3638         event.SetInt(id);
3639
3640         return GetEventHandler()->ProcessEvent(event);
3641     }
3642 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
3643     else
3644     {
3645         // the text ctrl which is logically part of wxSpinCtrl sends WM_COMMAND
3646         // notifications to its parent which we want to reflect back to
3647         // wxSpinCtrl
3648         wxSpinCtrl *spin = wxSpinCtrl::GetSpinForTextCtrl(control);
3649         if ( spin && spin->ProcessTextCommand(cmd, id) )
3650             return TRUE;
3651     }
3652 #endif // wxUSE_SPINCTRL
3653
3654     return FALSE;
3655 }
3656
3657 bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
3658 {
3659     // 4 bits are reserved
3660     switch ( wParam & 0xFFFFFFF0 )
3661     {
3662         case SC_MAXIMIZE:
3663             return HandleMaximize();
3664
3665         case SC_MINIMIZE:
3666             return HandleMinimize();
3667     }
3668
3669     return FALSE;
3670 }
3671
3672 // ---------------------------------------------------------------------------
3673 // mouse events
3674 // ---------------------------------------------------------------------------
3675
3676 void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
3677                                  int x, int y,
3678                                  WXUINT flags)
3679 {
3680     // our client coords are not quite the same as Windows ones
3681     wxPoint pt = GetClientAreaOrigin();
3682     event.m_x = x - pt.x;
3683     event.m_y = y - pt.y;
3684
3685     event.m_shiftDown = (flags & MK_SHIFT) != 0;
3686     event.m_controlDown = (flags & MK_CONTROL) != 0;
3687     event.m_leftDown = (flags & MK_LBUTTON) != 0;
3688     event.m_middleDown = (flags & MK_MBUTTON) != 0;
3689     event.m_rightDown = (flags & MK_RBUTTON) != 0;
3690     event.m_altDown = (::GetKeyState(VK_MENU) & 0x80000000) != 0;
3691
3692     event.SetTimestamp(s_currentMsg.time);
3693     event.m_eventObject = this;
3694
3695 #if wxUSE_MOUSEEVENT_HACK
3696     m_lastMouseX = x;
3697     m_lastMouseY = y;
3698     m_lastMouseEvent = event.GetEventType();
3699 #endif // wxUSE_MOUSEEVENT_HACK
3700 }
3701
3702 bool wxWindowMSW::HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags)
3703 {
3704     // the mouse events take consecutive IDs from WM_MOUSEFIRST to
3705     // WM_MOUSELAST, so it's enough to substract WM_MOUSEMOVE == WM_MOUSEFIRST
3706     // from the message id and take the value in the table to get wxWin event
3707     // id
3708     static const wxEventType eventsMouse[] =
3709     {
3710         wxEVT_MOTION,
3711         wxEVT_LEFT_DOWN,
3712         wxEVT_LEFT_UP,
3713         wxEVT_LEFT_DCLICK,
3714         wxEVT_RIGHT_DOWN,
3715         wxEVT_RIGHT_UP,
3716         wxEVT_RIGHT_DCLICK,
3717         wxEVT_MIDDLE_DOWN,
3718         wxEVT_MIDDLE_UP,
3719         wxEVT_MIDDLE_DCLICK
3720     };
3721
3722     wxMouseEvent event(eventsMouse[msg - WM_MOUSEMOVE]);
3723     InitMouseEvent(event, x, y, flags);
3724
3725     return GetEventHandler()->ProcessEvent(event);
3726 }
3727
3728 bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
3729 {
3730     if ( !m_mouseInWindow )
3731     {
3732         // it would be wrong to assume that just because we get a mouse move
3733         // event that the mouse is inside the window: although this is usually
3734         // true, it is not if we had captured the mouse, so we need to check
3735         // the mouse coordinates here
3736         if ( !HasCapture() || IsMouseInWindow() )
3737         {
3738             // Generate an ENTER event
3739             m_mouseInWindow = TRUE;
3740
3741             wxMouseEvent event(wxEVT_ENTER_WINDOW);
3742             InitMouseEvent(event, x, y, flags);
3743
3744             (void)GetEventHandler()->ProcessEvent(event);
3745         }
3746     }
3747
3748 #if wxUSE_MOUSEEVENT_HACK
3749     // Window gets a click down message followed by a mouse move message even
3750     // if position isn't changed!  We want to discard the trailing move event
3751     // if x and y are the same.
3752     if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
3753           m_lastMouseEvent == wxEVT_LEFT_DOWN ||
3754           m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
3755          (m_lastMouseX == x && m_lastMouseY == y) )
3756     {
3757         m_lastMouseEvent = wxEVT_MOTION;
3758
3759         return FALSE;
3760     }
3761 #endif // wxUSE_MOUSEEVENT_HACK
3762
3763     return HandleMouseEvent(WM_MOUSEMOVE, x, y, flags);
3764 }
3765
3766
3767 bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
3768 {
3769 #if wxUSE_MOUSEWHEEL
3770     wxMouseEvent event(wxEVT_MOUSEWHEEL);
3771     InitMouseEvent(event,
3772                    GET_X_LPARAM(lParam),
3773                    GET_Y_LPARAM(lParam),
3774                    LOWORD(wParam));
3775     event.m_wheelRotation = (short)HIWORD(wParam);
3776     event.m_wheelDelta = WHEEL_DELTA;
3777
3778 #ifdef __WIN32__
3779     static int s_linesPerRotation = -1;
3780     if ( s_linesPerRotation == -1 )
3781     {
3782         if ( !::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0,
3783                                      &s_linesPerRotation, 0))
3784         {
3785             // this is not supposed to happen
3786             wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
3787
3788             // the default is 3, so use it if SystemParametersInfo() failed
3789             s_linesPerRotation = 3;
3790         }
3791     }
3792 #else // Win16
3793     // no SystemParametersInfo() under Win16
3794     static const int s_linesPerRotation = 3;
3795 #endif
3796
3797     event.m_linesPerAction = s_linesPerRotation;
3798     return GetEventHandler()->ProcessEvent(event);
3799
3800 #else
3801     (void) wParam;
3802     (void) lParam;
3803
3804     return FALSE;
3805 #endif
3806 }
3807
3808
3809 // ---------------------------------------------------------------------------
3810 // keyboard handling
3811 // ---------------------------------------------------------------------------
3812
3813 // create the key event of the given type for the given key - used by
3814 // HandleChar and HandleKeyDown/Up
3815 wxKeyEvent wxWindowMSW::CreateKeyEvent(wxEventType evType,
3816                                        int id,
3817                                        WXLPARAM lParam) const
3818 {
3819     wxKeyEvent event(evType);
3820     event.SetId(GetId());
3821     event.m_shiftDown = wxIsShiftDown();
3822     event.m_controlDown = wxIsCtrlDown();
3823     event.m_altDown = (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN;
3824
3825     event.m_eventObject = (wxWindow *)this; // const_cast
3826     event.m_keyCode = id;
3827     event.SetTimestamp(s_currentMsg.time);
3828
3829     // translate the position to client coords
3830     POINT pt;
3831     GetCursorPos(&pt);
3832     RECT rect;
3833     GetWindowRect(GetHwnd(),&rect);
3834     pt.x -= rect.left;
3835     pt.y -= rect.top;
3836
3837     event.m_x = pt.x;
3838     event.m_y = pt.y;
3839
3840     return event;
3841 }
3842
3843 // isASCII is TRUE only when we're called from WM_CHAR handler and not from
3844 // WM_KEYDOWN one
3845 bool wxWindowMSW::HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII)
3846 {
3847     bool ctrlDown = FALSE;
3848
3849     int id;
3850     if ( isASCII )
3851     {
3852         // If 1 -> 26, translate to CTRL plus a letter.
3853         id = wParam;
3854         if ( (id > 0) && (id < 27) )
3855         {
3856             switch (id)
3857             {
3858                 case 13:
3859                     id = WXK_RETURN;
3860                     break;
3861
3862                 case 8:
3863                     id = WXK_BACK;
3864                     break;
3865
3866                 case 9:
3867                     id = WXK_TAB;
3868                     break;
3869
3870                 default:
3871                     ctrlDown = TRUE;
3872                     id = id + 96;
3873             }
3874         }
3875     }
3876     else if ( (id = wxCharCodeMSWToWX(wParam)) == 0 )
3877     {
3878         // it's ASCII and will be processed here only when called from
3879         // WM_CHAR (i.e. when isASCII = TRUE), don't process it now
3880         id = -1;
3881     }
3882
3883     if ( id != -1 )
3884     {
3885         wxKeyEvent event(CreateKeyEvent(wxEVT_CHAR, id, lParam));
3886         if ( ctrlDown )
3887         {
3888             event.m_controlDown = TRUE;
3889         }
3890
3891         if ( GetEventHandler()->ProcessEvent(event) )
3892             return TRUE;
3893     }
3894
3895     return FALSE;
3896 }
3897
3898 bool wxWindowMSW::HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam)
3899 {
3900     int id = wxCharCodeMSWToWX(wParam);
3901
3902     if ( !id )
3903     {
3904         // normal ASCII char
3905         id = wParam;
3906     }
3907
3908     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3909     {
3910         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_DOWN, id, lParam));
3911         if ( GetEventHandler()->ProcessEvent(event) )
3912         {
3913             return TRUE;
3914         }
3915     }
3916
3917     return FALSE;
3918 }
3919
3920 bool wxWindowMSW::HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam)
3921 {
3922     int id = wxCharCodeMSWToWX(wParam);
3923
3924     if ( !id )
3925     {
3926         // normal ASCII char
3927         id = wParam;
3928     }
3929
3930     if ( id != -1 ) // VZ: does this ever happen (FIXME)?
3931     {
3932         wxKeyEvent event(CreateKeyEvent(wxEVT_KEY_UP, id, lParam));
3933         if ( GetEventHandler()->ProcessEvent(event) )
3934             return TRUE;
3935     }
3936
3937     return FALSE;
3938 }
3939
3940 // ---------------------------------------------------------------------------
3941 // joystick
3942 // ---------------------------------------------------------------------------
3943
3944 bool wxWindowMSW::HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags)
3945 {
3946 #ifdef JOY_BUTTON1
3947     int change = 0;
3948     if ( flags & JOY_BUTTON1CHG )
3949         change = wxJOY_BUTTON1;
3950     if ( flags & JOY_BUTTON2CHG )
3951         change = wxJOY_BUTTON2;
3952     if ( flags & JOY_BUTTON3CHG )
3953         change = wxJOY_BUTTON3;
3954     if ( flags & JOY_BUTTON4CHG )
3955         change = wxJOY_BUTTON4;
3956
3957     int buttons = 0;
3958     if ( flags & JOY_BUTTON1 )
3959         buttons |= wxJOY_BUTTON1;
3960     if ( flags & JOY_BUTTON2 )
3961         buttons |= wxJOY_BUTTON2;
3962     if ( flags & JOY_BUTTON3 )
3963         buttons |= wxJOY_BUTTON3;
3964     if ( flags & JOY_BUTTON4 )
3965         buttons |= wxJOY_BUTTON4;
3966
3967     // the event ids aren't consecutive so we can't use table based lookup
3968     int joystick;
3969     wxEventType eventType;
3970     switch ( msg )
3971     {
3972         case MM_JOY1MOVE:
3973             joystick = 1;
3974             eventType = wxEVT_JOY_MOVE;
3975             break;
3976
3977         case MM_JOY2MOVE:
3978             joystick = 2;
3979             eventType = wxEVT_JOY_MOVE;
3980             break;
3981
3982         case MM_JOY1ZMOVE:
3983             joystick = 1;
3984             eventType = wxEVT_JOY_ZMOVE;
3985             break;
3986
3987         case MM_JOY2ZMOVE:
3988             joystick = 2;
3989             eventType = wxEVT_JOY_ZMOVE;
3990             break;
3991
3992         case MM_JOY1BUTTONDOWN:
3993             joystick = 1;
3994             eventType = wxEVT_JOY_BUTTON_DOWN;
3995             break;
3996
3997         case MM_JOY2BUTTONDOWN:
3998             joystick = 2;
3999             eventType = wxEVT_JOY_BUTTON_DOWN;
4000             break;
4001
4002         case MM_JOY1BUTTONUP:
4003             joystick = 1;
4004             eventType = wxEVT_JOY_BUTTON_UP;
4005             break;
4006
4007         case MM_JOY2BUTTONUP:
4008             joystick = 2;
4009             eventType = wxEVT_JOY_BUTTON_UP;
4010             break;
4011
4012         default:
4013             wxFAIL_MSG(wxT("no such joystick event"));
4014
4015             return FALSE;
4016     }
4017
4018     wxJoystickEvent event(eventType, buttons, joystick, change);
4019     event.SetPosition(wxPoint(x, y));
4020     event.SetEventObject(this);
4021
4022     return GetEventHandler()->ProcessEvent(event);
4023 #else
4024     return FALSE;
4025 #endif
4026 }
4027
4028 // ---------------------------------------------------------------------------
4029 // scrolling
4030 // ---------------------------------------------------------------------------
4031
4032 bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
4033                            WXWORD pos, WXHWND control)
4034 {
4035     if ( control )
4036     {
4037         wxWindow *child = wxFindWinFromHandle(control);
4038         if ( child )
4039             return child->MSWOnScroll(orientation, wParam, pos, control);
4040     }
4041
4042     wxScrollWinEvent event;
4043     event.SetPosition(pos);
4044     event.SetOrientation(orientation);
4045     event.m_eventObject = this;
4046
4047     switch ( wParam )
4048     {
4049     case SB_TOP:
4050         event.m_eventType = wxEVT_SCROLLWIN_TOP;
4051         break;
4052
4053     case SB_BOTTOM:
4054         event.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
4055         break;
4056
4057     case SB_LINEUP:
4058         event.m_eventType = wxEVT_SCROLLWIN_LINEUP;
4059         break;
4060
4061     case SB_LINEDOWN:
4062         event.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
4063         break;
4064
4065     case SB_PAGEUP:
4066         event.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
4067         break;
4068
4069     case SB_PAGEDOWN:
4070         event.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
4071         break;
4072
4073     case SB_THUMBPOSITION:
4074     case SB_THUMBTRACK:
4075 #ifdef __WIN32__
4076         // under Win32, the scrollbar range and position are 32 bit integers,
4077         // but WM_[HV]SCROLL only carry the low 16 bits of them, so we must
4078         // explicitly query the scrollbar for the correct position (this must
4079         // be done only for these two SB_ events as they are the only one
4080         // carrying the scrollbar position)
4081         {
4082             SCROLLINFO scrollInfo;
4083             wxZeroMemory(scrollInfo);
4084             scrollInfo.cbSize = sizeof(SCROLLINFO);
4085             scrollInfo.fMask = SIF_TRACKPOS;
4086
4087             if ( !::GetScrollInfo(GetHwnd(),
4088                                   orientation == wxHORIZONTAL ? SB_HORZ
4089                                                               : SB_VERT,
4090                                   &scrollInfo) )
4091             {
4092                 wxLogLastError(_T("GetScrollInfo"));
4093             }
4094
4095             event.SetPosition(scrollInfo.nTrackPos);
4096         }
4097 #endif // Win32
4098
4099         event.m_eventType = wParam == SB_THUMBPOSITION
4100                                 ? wxEVT_SCROLLWIN_THUMBRELEASE
4101                                 : wxEVT_SCROLLWIN_THUMBTRACK;
4102         break;
4103
4104     default:
4105         return FALSE;
4106     }
4107
4108     return GetEventHandler()->ProcessEvent(event);
4109 }
4110
4111 // ===========================================================================
4112 // global functions
4113 // ===========================================================================
4114
4115 void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font)
4116 {
4117     TEXTMETRIC tm;
4118     HDC dc = ::GetDC((HWND) wnd);
4119     HFONT fnt =0;
4120     HFONT was = 0;
4121     if ( the_font )
4122     {
4123         //    the_font->UseResource();
4124         //    the_font->RealizeResource();
4125         fnt = (HFONT)((wxFont *)the_font)->GetResourceHandle(); // const_cast
4126         if ( fnt )
4127             was = (HFONT) SelectObject(dc,fnt);
4128     }
4129     GetTextMetrics(dc, &tm);
4130     if ( the_font && fnt && was )
4131     {
4132         SelectObject(dc,was);
4133     }
4134     ReleaseDC((HWND)wnd, dc);
4135
4136     if ( x )
4137         *x = tm.tmAveCharWidth;
4138     if ( y )
4139         *y = tm.tmHeight + tm.tmExternalLeading;
4140
4141     //  if ( the_font )
4142     //    the_font->ReleaseResource();
4143 }
4144
4145 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
4146 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
4147 int wxCharCodeMSWToWX(int keySym)
4148 {
4149     int id;
4150     switch (keySym)
4151     {
4152         case VK_CANCEL:     id = WXK_CANCEL; break;
4153         case VK_BACK:       id = WXK_BACK; break;
4154         case VK_TAB:        id = WXK_TAB; break;
4155         case VK_CLEAR:      id = WXK_CLEAR; break;
4156         case VK_RETURN:     id = WXK_RETURN; break;
4157         case VK_SHIFT:      id = WXK_SHIFT; break;
4158         case VK_CONTROL:    id = WXK_CONTROL; break;
4159         case VK_MENU :      id = WXK_MENU; break;
4160         case VK_PAUSE:      id = WXK_PAUSE; break;
4161         case VK_SPACE:      id = WXK_SPACE; break;
4162         case VK_ESCAPE:     id = WXK_ESCAPE; break;
4163         case VK_PRIOR:      id = WXK_PRIOR; break;
4164         case VK_NEXT :      id = WXK_NEXT; break;
4165         case VK_END:        id = WXK_END; break;
4166         case VK_HOME :      id = WXK_HOME; break;
4167         case VK_LEFT :      id = WXK_LEFT; break;
4168         case VK_UP:         id = WXK_UP; break;
4169         case VK_RIGHT:      id = WXK_RIGHT; break;
4170         case VK_DOWN :      id = WXK_DOWN; break;
4171         case VK_SELECT:     id = WXK_SELECT; break;
4172         case VK_PRINT:      id = WXK_PRINT; break;
4173         case VK_EXECUTE:    id = WXK_EXECUTE; break;
4174         case VK_INSERT:     id = WXK_INSERT; break;
4175         case VK_DELETE:     id = WXK_DELETE; break;
4176         case VK_HELP :      id = WXK_HELP; break;
4177         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
4178         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
4179         case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
4180         case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
4181         case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
4182         case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
4183         case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
4184         case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
4185         case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
4186         case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
4187         case VK_MULTIPLY:   id = WXK_NUMPAD_MULTIPLY; break;
4188         case VK_ADD:        id = WXK_NUMPAD_ADD; break;
4189         case VK_SUBTRACT:   id = WXK_NUMPAD_SUBTRACT; break;
4190         case VK_DECIMAL:    id = WXK_NUMPAD_DECIMAL; break;
4191         case VK_DIVIDE:     id = WXK_NUMPAD_DIVIDE; break;
4192         case VK_F1:         id = WXK_F1; break;
4193         case VK_F2:         id = WXK_F2; break;
4194         case VK_F3:         id = WXK_F3; break;
4195         case VK_F4:         id = WXK_F4; break;
4196         case VK_F5:         id = WXK_F5; break;
4197         case VK_F6:         id = WXK_F6; break;
4198         case VK_F7:         id = WXK_F7; break;
4199         case VK_F8:         id = WXK_F8; break;
4200         case VK_F9:         id = WXK_F9; break;
4201         case VK_F10:        id = WXK_F10; break;
4202         case VK_F11:        id = WXK_F11; break;
4203         case VK_F12:        id = WXK_F12; break;
4204         case VK_F13:        id = WXK_F13; break;
4205         case VK_F14:        id = WXK_F14; break;
4206         case VK_F15:        id = WXK_F15; break;
4207         case VK_F16:        id = WXK_F16; break;
4208         case VK_F17:        id = WXK_F17; break;
4209         case VK_F18:        id = WXK_F18; break;
4210         case VK_F19:        id = WXK_F19; break;
4211         case VK_F20:        id = WXK_F20; break;
4212         case VK_F21:        id = WXK_F21; break;
4213         case VK_F22:        id = WXK_F22; break;
4214         case VK_F23:        id = WXK_F23; break;
4215         case VK_F24:        id = WXK_F24; break;
4216         case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
4217         case VK_SCROLL:     id = WXK_SCROLL; break;
4218         default:
4219             id = 0;
4220     }
4221
4222     return id;
4223 }
4224
4225 int wxCharCodeWXToMSW(int id, bool *isVirtual)
4226 {
4227     *isVirtual = TRUE;
4228     int keySym = 0;
4229     switch (id)
4230     {
4231     case WXK_CANCEL:    keySym = VK_CANCEL; break;
4232     case WXK_CLEAR:     keySym = VK_CLEAR; break;
4233     case WXK_SHIFT:     keySym = VK_SHIFT; break;
4234     case WXK_CONTROL:   keySym = VK_CONTROL; break;
4235     case WXK_MENU :     keySym = VK_MENU; break;
4236     case WXK_PAUSE:     keySym = VK_PAUSE; break;
4237     case WXK_PRIOR:     keySym = VK_PRIOR; break;
4238     case WXK_NEXT :     keySym = VK_NEXT; break;
4239     case WXK_END:       keySym = VK_END; break;
4240     case WXK_HOME :     keySym = VK_HOME; break;
4241     case WXK_LEFT :     keySym = VK_LEFT; break;
4242     case WXK_UP:        keySym = VK_UP; break;
4243     case WXK_RIGHT:     keySym = VK_RIGHT; break;
4244     case WXK_DOWN :     keySym = VK_DOWN; break;
4245     case WXK_SELECT:    keySym = VK_SELECT; break;
4246     case WXK_PRINT:     keySym = VK_PRINT; break;
4247     case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
4248     case WXK_INSERT:    keySym = VK_INSERT; break;
4249     case WXK_DELETE:    keySym = VK_DELETE; break;
4250     case WXK_HELP :     keySym = VK_HELP; break;
4251     case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
4252     case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
4253     case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
4254     case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
4255     case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
4256     case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
4257     case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
4258     case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
4259     case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
4260     case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
4261     case WXK_NUMPAD_MULTIPLY:  keySym = VK_MULTIPLY; break;
4262     case WXK_NUMPAD_ADD:       keySym = VK_ADD; break;
4263     case WXK_NUMPAD_SUBTRACT:  keySym = VK_SUBTRACT; break;
4264     case WXK_NUMPAD_DECIMAL:   keySym = VK_DECIMAL; break;
4265     case WXK_NUMPAD_DIVIDE:    keySym = VK_DIVIDE; break;
4266     case WXK_F1:        keySym = VK_F1; break;
4267     case WXK_F2:        keySym = VK_F2; break;
4268     case WXK_F3:        keySym = VK_F3; break;
4269     case WXK_F4:        keySym = VK_F4; break;
4270     case WXK_F5:        keySym = VK_F5; break;
4271     case WXK_F6:        keySym = VK_F6; break;
4272     case WXK_F7:        keySym = VK_F7; break;
4273     case WXK_F8:        keySym = VK_F8; break;
4274     case WXK_F9:        keySym = VK_F9; break;
4275     case WXK_F10:       keySym = VK_F10; break;
4276     case WXK_F11:       keySym = VK_F11; break;
4277     case WXK_F12:       keySym = VK_F12; break;
4278     case WXK_F13:       keySym = VK_F13; break;
4279     case WXK_F14:       keySym = VK_F14; break;
4280     case WXK_F15:       keySym = VK_F15; break;
4281     case WXK_F16:       keySym = VK_F16; break;
4282     case WXK_F17:       keySym = VK_F17; break;
4283     case WXK_F18:       keySym = VK_F18; break;
4284     case WXK_F19:       keySym = VK_F19; break;
4285     case WXK_F20:       keySym = VK_F20; break;
4286     case WXK_F21:       keySym = VK_F21; break;
4287     case WXK_F22:       keySym = VK_F22; break;
4288     case WXK_F23:       keySym = VK_F23; break;
4289     case WXK_F24:       keySym = VK_F24; break;
4290     case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
4291     case WXK_SCROLL:    keySym = VK_SCROLL; break;
4292     default:
4293         {
4294             *isVirtual = FALSE;
4295             keySym = id;
4296             break;
4297         }
4298     }
4299     return keySym;
4300 }
4301
4302 wxWindow *wxGetActiveWindow()
4303 {
4304     HWND hWnd = GetActiveWindow();
4305     if ( hWnd != 0 )
4306     {
4307         return wxFindWinFromHandle((WXHWND) hWnd);
4308     }
4309     return NULL;
4310 }
4311
4312 extern wxWindow *wxGetWindowFromHWND(WXHWND hWnd)
4313 {
4314     HWND hwnd = (HWND)hWnd;
4315
4316     // For a radiobutton, we get the radiobox from GWL_USERDATA (which is set
4317     // by code in msw/radiobox.cpp), for all the others we just search up the
4318     // window hierarchy
4319     wxWindow *win = (wxWindow *)NULL;
4320     if ( hwnd )
4321     {
4322         win = wxFindWinFromHandle((WXHWND)hwnd);
4323         if ( !win )
4324         {
4325             // all these hacks only work under Win32 anyhow
4326 #ifdef __WIN32__
4327
4328 #if wxUSE_RADIOBOX
4329             // native radiobuttons return DLGC_RADIOBUTTON here and for any
4330             // wxWindow class which overrides WM_GETDLGCODE processing to
4331             // do it as well, win would be already non NULL
4332             if ( ::SendMessage(hwnd, WM_GETDLGCODE, 0, 0) & DLGC_RADIOBUTTON )
4333             {
4334                 win = (wxWindow *)::GetWindowLong(hwnd, GWL_USERDATA);
4335             }
4336             //else: it's a wxRadioButton, not a radiobutton from wxRadioBox
4337 #endif // wxUSE_RADIOBOX
4338
4339             // spin control text buddy window should be mapped to spin ctrl
4340             // itself so try it too
4341 #if wxUSE_SPINCTRL && !defined(__WXUNIVERSAL__)
4342             if ( !win )
4343             {
4344                 win = wxSpinCtrl::GetSpinForTextCtrl((WXHWND)hwnd);
4345             }
4346 #endif // wxUSE_SPINCTRL
4347
4348 #endif // Win32
4349         }
4350     }
4351
4352     while ( hwnd && !win )
4353     {
4354         // this is a really ugly hack needed to avoid mistakenly returning the
4355         // parent frame wxWindow for the find/replace modeless dialog HWND -
4356         // this, in turn, is needed to call IsDialogMessage() from
4357         // wxApp::ProcessMessage() as for this we must return NULL from here
4358         //
4359         // FIXME: this is clearly not the best way to do it but I think we'll
4360         //        need to change HWND <-> wxWindow code more heavily than I can
4361         //        do it now to fix it
4362         if ( ::GetWindow(hwnd, GW_OWNER) )
4363         {
4364             // it's a dialog box, don't go upwards
4365             break;
4366         }
4367
4368         hwnd = ::GetParent(hwnd);
4369         win = wxFindWinFromHandle((WXHWND)hwnd);
4370     }
4371
4372     return win;
4373 }
4374
4375 #ifndef __WXMICROWIN__
4376
4377 // Windows keyboard hook. Allows interception of e.g. F1, ESCAPE
4378 // in active frames and dialogs, regardless of where the focus is.
4379 static HHOOK wxTheKeyboardHook = 0;
4380 static FARPROC wxTheKeyboardHookProc = 0;
4381 int APIENTRY _EXPORT
4382 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam);
4383
4384 void wxSetKeyboardHook(bool doIt)
4385 {
4386     if ( doIt )
4387     {
4388         wxTheKeyboardHookProc = MakeProcInstance((FARPROC) wxKeyboardHook, wxGetInstance());
4389         wxTheKeyboardHook = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC) wxTheKeyboardHookProc, wxGetInstance(),
4390
4391 #if defined(__WIN32__) && !defined(__TWIN32__)
4392             GetCurrentThreadId()
4393         //      (DWORD)GetCurrentProcess()); // This is another possibility. Which is right?
4394 #else
4395             GetCurrentTask()
4396 #endif
4397             );
4398     }
4399     else
4400     {
4401         UnhookWindowsHookEx(wxTheKeyboardHook);
4402
4403         // avoids warning about statement with no effect (FreeProcInstance
4404         // doesn't do anything under Win32)
4405 #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__)
4406         FreeProcInstance(wxTheKeyboardHookProc);
4407 #endif
4408     }
4409 }
4410
4411 int APIENTRY _EXPORT
4412 wxKeyboardHook(int nCode, WORD wParam, DWORD lParam)
4413 {
4414     DWORD hiWord = HIWORD(lParam);
4415     if ( nCode != HC_NOREMOVE && ((hiWord & KF_UP) == 0) )
4416     {
4417         int id = wxCharCodeMSWToWX(wParam);
4418         if ( id != 0 )
4419         {
4420             wxKeyEvent event(wxEVT_CHAR_HOOK);
4421             if ( (HIWORD(lParam) & KF_ALTDOWN) == KF_ALTDOWN )
4422                 event.m_altDown = TRUE;
4423
4424             event.m_eventObject = NULL;
4425             event.m_keyCode = id;
4426             event.m_shiftDown = wxIsShiftDown();
4427             event.m_controlDown = wxIsCtrlDown();
4428             event.SetTimestamp(s_currentMsg.time);
4429
4430             wxWindow *win = wxGetActiveWindow();
4431             wxEvtHandler *handler;
4432             if ( win )
4433             {
4434                 handler = win->GetEventHandler();
4435                 event.SetId(win->GetId());
4436             }
4437             else
4438             {
4439                 handler = wxTheApp;
4440                 event.SetId(-1);
4441             }
4442
4443             if ( handler && handler->ProcessEvent(event) )
4444             {
4445                 // processed
4446                 return 1;
4447             }
4448         }
4449     }
4450
4451     return (int)CallNextHookEx(wxTheKeyboardHook, nCode, wParam, lParam);
4452 }
4453
4454 #endif // !__WXMICROWIN__
4455
4456 #ifdef __WXDEBUG__
4457 const char *wxGetMessageName(int message)
4458 {
4459     switch ( message )
4460     {
4461         case 0x0000: return "WM_NULL";
4462         case 0x0001: return "WM_CREATE";
4463         case 0x0002: return "WM_DESTROY";
4464         case 0x0003: return "WM_MOVE";
4465         case 0x0005: return "WM_SIZE";
4466         case 0x0006: return "WM_ACTIVATE";
4467         case 0x0007: return "WM_SETFOCUS";
4468         case 0x0008: return "WM_KILLFOCUS";
4469         case 0x000A: return "WM_ENABLE";
4470         case 0x000B: return "WM_SETREDRAW";
4471         case 0x000C: return "WM_SETTEXT";
4472         case 0x000D: return "WM_GETTEXT";
4473         case 0x000E: return "WM_GETTEXTLENGTH";
4474         case 0x000F: return "WM_PAINT";
4475         case 0x0010: return "WM_CLOSE";
4476         case 0x0011: return "WM_QUERYENDSESSION";
4477         case 0x0012: return "WM_QUIT";
4478         case 0x0013: return "WM_QUERYOPEN";
4479         case 0x0014: return "WM_ERASEBKGND";
4480         case 0x0015: return "WM_SYSCOLORCHANGE";
4481         case 0x0016: return "WM_ENDSESSION";
4482         case 0x0017: return "WM_SYSTEMERROR";
4483         case 0x0018: return "WM_SHOWWINDOW";
4484         case 0x0019: return "WM_CTLCOLOR";
4485         case 0x001A: return "WM_WININICHANGE";
4486         case 0x001B: return "WM_DEVMODECHANGE";
4487         case 0x001C: return "WM_ACTIVATEAPP";
4488         case 0x001D: return "WM_FONTCHANGE";
4489         case 0x001E: return "WM_TIMECHANGE";
4490         case 0x001F: return "WM_CANCELMODE";
4491         case 0x0020: return "WM_SETCURSOR";
4492         case 0x0021: return "WM_MOUSEACTIVATE";
4493         case 0x0022: return "WM_CHILDACTIVATE";
4494         case 0x0023: return "WM_QUEUESYNC";
4495         case 0x0024: return "WM_GETMINMAXINFO";
4496         case 0x0026: return "WM_PAINTICON";
4497         case 0x0027: return "WM_ICONERASEBKGND";
4498         case 0x0028: return "WM_NEXTDLGCTL";
4499         case 0x002A: return "WM_SPOOLERSTATUS";
4500         case 0x002B: return "WM_DRAWITEM";
4501         case 0x002C: return "WM_MEASUREITEM";
4502         case 0x002D: return "WM_DELETEITEM";
4503         case 0x002E: return "WM_VKEYTOITEM";
4504         case 0x002F: return "WM_CHARTOITEM";
4505         case 0x0030: return "WM_SETFONT";
4506         case 0x0031: return "WM_GETFONT";
4507         case 0x0037: return "WM_QUERYDRAGICON";
4508         case 0x0039: return "WM_COMPAREITEM";
4509         case 0x0041: return "WM_COMPACTING";
4510         case 0x0044: return "WM_COMMNOTIFY";
4511         case 0x0046: return "WM_WINDOWPOSCHANGING";
4512         case 0x0047: return "WM_WINDOWPOSCHANGED";
4513         case 0x0048: return "WM_POWER";
4514
4515 #ifdef  __WIN32__
4516         case 0x004A: return "WM_COPYDATA";
4517         case 0x004B: return "WM_CANCELJOURNAL";
4518         case 0x004E: return "WM_NOTIFY";
4519         case 0x0050: return "WM_INPUTLANGCHANGEREQUEST";
4520         case 0x0051: return "WM_INPUTLANGCHANGE";
4521         case 0x0052: return "WM_TCARD";
4522         case 0x0053: return "WM_HELP";
4523         case 0x0054: return "WM_USERCHANGED";
4524         case 0x0055: return "WM_NOTIFYFORMAT";
4525         case 0x007B: return "WM_CONTEXTMENU";
4526         case 0x007C: return "WM_STYLECHANGING";
4527         case 0x007D: return "WM_STYLECHANGED";
4528         case 0x007E: return "WM_DISPLAYCHANGE";
4529         case 0x007F: return "WM_GETICON";
4530         case 0x0080: return "WM_SETICON";
4531 #endif  //WIN32
4532
4533         case 0x0081: return "WM_NCCREATE";
4534         case 0x0082: return "WM_NCDESTROY";
4535         case 0x0083: return "WM_NCCALCSIZE";
4536         case 0x0084: return "WM_NCHITTEST";
4537         case 0x0085: return "WM_NCPAINT";
4538         case 0x0086: return "WM_NCACTIVATE";
4539         case 0x0087: return "WM_GETDLGCODE";
4540         case 0x00A0: return "WM_NCMOUSEMOVE";
4541         case 0x00A1: return "WM_NCLBUTTONDOWN";
4542         case 0x00A2: return "WM_NCLBUTTONUP";
4543         case 0x00A3: return "WM_NCLBUTTONDBLCLK";
4544         case 0x00A4: return "WM_NCRBUTTONDOWN";
4545         case 0x00A5: return "WM_NCRBUTTONUP";
4546         case 0x00A6: return "WM_NCRBUTTONDBLCLK";
4547         case 0x00A7: return "WM_NCMBUTTONDOWN";
4548         case 0x00A8: return "WM_NCMBUTTONUP";
4549         case 0x00A9: return "WM_NCMBUTTONDBLCLK";
4550         case 0x0100: return "WM_KEYDOWN";
4551         case 0x0101: return "WM_KEYUP";
4552         case 0x0102: return "WM_CHAR";
4553         case 0x0103: return "WM_DEADCHAR";
4554         case 0x0104: return "WM_SYSKEYDOWN";
4555         case 0x0105: return "WM_SYSKEYUP";
4556         case 0x0106: return "WM_SYSCHAR";
4557         case 0x0107: return "WM_SYSDEADCHAR";
4558         case 0x0108: return "WM_KEYLAST";
4559
4560 #ifdef  __WIN32__
4561         case 0x010D: return "WM_IME_STARTCOMPOSITION";
4562         case 0x010E: return "WM_IME_ENDCOMPOSITION";
4563         case 0x010F: return "WM_IME_COMPOSITION";
4564 #endif  //WIN32
4565
4566         case 0x0110: return "WM_INITDIALOG";
4567         case 0x0111: return "WM_COMMAND";
4568         case 0x0112: return "WM_SYSCOMMAND";
4569         case 0x0113: return "WM_TIMER";
4570         case 0x0114: return "WM_HSCROLL";
4571         case 0x0115: return "WM_VSCROLL";
4572         case 0x0116: return "WM_INITMENU";
4573         case 0x0117: return "WM_INITMENUPOPUP";
4574         case 0x011F: return "WM_MENUSELECT";
4575         case 0x0120: return "WM_MENUCHAR";
4576         case 0x0121: return "WM_ENTERIDLE";
4577         case 0x0200: return "WM_MOUSEMOVE";
4578         case 0x0201: return "WM_LBUTTONDOWN";
4579         case 0x0202: return "WM_LBUTTONUP";
4580         case 0x0203: return "WM_LBUTTONDBLCLK";
4581         case 0x0204: return "WM_RBUTTONDOWN";
4582         case 0x0205: return "WM_RBUTTONUP";
4583         case 0x0206: return "WM_RBUTTONDBLCLK";
4584         case 0x0207: return "WM_MBUTTONDOWN";
4585         case 0x0208: return "WM_MBUTTONUP";
4586         case 0x0209: return "WM_MBUTTONDBLCLK";
4587         case 0x020A: return "WM_MOUSEWHEEL";
4588         case 0x0210: return "WM_PARENTNOTIFY";
4589         case 0x0211: return "WM_ENTERMENULOOP";
4590         case 0x0212: return "WM_EXITMENULOOP";
4591
4592 #ifdef  __WIN32__
4593         case 0x0213: return "WM_NEXTMENU";
4594         case 0x0214: return "WM_SIZING";
4595         case 0x0215: return "WM_CAPTURECHANGED";
4596         case 0x0216: return "WM_MOVING";
4597         case 0x0218: return "WM_POWERBROADCAST";
4598         case 0x0219: return "WM_DEVICECHANGE";
4599 #endif  //WIN32
4600
4601         case 0x0220: return "WM_MDICREATE";
4602         case 0x0221: return "WM_MDIDESTROY";
4603         case 0x0222: return "WM_MDIACTIVATE";
4604         case 0x0223: return "WM_MDIRESTORE";
4605         case 0x0224: return "WM_MDINEXT";
4606         case 0x0225: return "WM_MDIMAXIMIZE";
4607         case 0x0226: return "WM_MDITILE";
4608         case 0x0227: return "WM_MDICASCADE";
4609         case 0x0228: return "WM_MDIICONARRANGE";
4610         case 0x0229: return "WM_MDIGETACTIVE";
4611         case 0x0230: return "WM_MDISETMENU";
4612         case 0x0233: return "WM_DROPFILES";
4613
4614 #ifdef  __WIN32__
4615         case 0x0281: return "WM_IME_SETCONTEXT";
4616         case 0x0282: return "WM_IME_NOTIFY";
4617         case 0x0283: return "WM_IME_CONTROL";
4618         case 0x0284: return "WM_IME_COMPOSITIONFULL";
4619         case 0x0285: return "WM_IME_SELECT";
4620         case 0x0286: return "WM_IME_CHAR";
4621         case 0x0290: return "WM_IME_KEYDOWN";
4622         case 0x0291: return "WM_IME_KEYUP";
4623 #endif  //WIN32
4624
4625         case 0x0300: return "WM_CUT";
4626         case 0x0301: return "WM_COPY";
4627         case 0x0302: return "WM_PASTE";
4628         case 0x0303: return "WM_CLEAR";
4629         case 0x0304: return "WM_UNDO";
4630         case 0x0305: return "WM_RENDERFORMAT";
4631         case 0x0306: return "WM_RENDERALLFORMATS";
4632         case 0x0307: return "WM_DESTROYCLIPBOARD";
4633         case 0x0308: return "WM_DRAWCLIPBOARD";
4634         case 0x0309: return "WM_PAINTCLIPBOARD";
4635         case 0x030A: return "WM_VSCROLLCLIPBOARD";
4636         case 0x030B: return "WM_SIZECLIPBOARD";
4637         case 0x030C: return "WM_ASKCBFORMATNAME";
4638         case 0x030D: return "WM_CHANGECBCHAIN";
4639         case 0x030E: return "WM_HSCROLLCLIPBOARD";
4640         case 0x030F: return "WM_QUERYNEWPALETTE";
4641         case 0x0310: return "WM_PALETTEISCHANGING";
4642         case 0x0311: return "WM_PALETTECHANGED";
4643
4644 #ifdef __WIN32__
4645         // common controls messages - although they're not strictly speaking
4646         // standard, it's nice to decode them nevertheless
4647
4648         // listview
4649         case 0x1000 + 0: return "LVM_GETBKCOLOR";
4650         case 0x1000 + 1: return "LVM_SETBKCOLOR";
4651         case 0x1000 + 2: return "LVM_GETIMAGELIST";
4652         case 0x1000 + 3: return "LVM_SETIMAGELIST";
4653         case 0x1000 + 4: return "LVM_GETITEMCOUNT";
4654         case 0x1000 + 5: return "LVM_GETITEMA";
4655         case 0x1000 + 75: return "LVM_GETITEMW";
4656         case 0x1000 + 6: return "LVM_SETITEMA";
4657         case 0x1000 + 76: return "LVM_SETITEMW";
4658         case 0x1000 + 7: return "LVM_INSERTITEMA";
4659         case 0x1000 + 77: return "LVM_INSERTITEMW";
4660         case 0x1000 + 8: return "LVM_DELETEITEM";
4661         case 0x1000 + 9: return "LVM_DELETEALLITEMS";
4662         case 0x1000 + 10: return "LVM_GETCALLBACKMASK";
4663         case 0x1000 + 11: return "LVM_SETCALLBACKMASK";
4664         case 0x1000 + 12: return "LVM_GETNEXTITEM";
4665         case 0x1000 + 13: return "LVM_FINDITEMA";
4666         case 0x1000 + 83: return "LVM_FINDITEMW";
4667         case 0x1000 + 14: return "LVM_GETITEMRECT";
4668         case 0x1000 + 15: return "LVM_SETITEMPOSITION";
4669         case 0x1000 + 16: return "LVM_GETITEMPOSITION";
4670         case 0x1000 + 17: return "LVM_GETSTRINGWIDTHA";
4671         case 0x1000 + 87: return "LVM_GETSTRINGWIDTHW";
4672         case 0x1000 + 18: return "LVM_HITTEST";
4673         case 0x1000 + 19: return "LVM_ENSUREVISIBLE";
4674         case 0x1000 + 20: return "LVM_SCROLL";
4675         case 0x1000 + 21: return "LVM_REDRAWITEMS";
4676         case 0x1000 + 22: return "LVM_ARRANGE";
4677         case 0x1000 + 23: return "LVM_EDITLABELA";
4678         case 0x1000 + 118: return "LVM_EDITLABELW";
4679         case 0x1000 + 24: return "LVM_GETEDITCONTROL";
4680         case 0x1000 + 25: return "LVM_GETCOLUMNA";
4681         case 0x1000 + 95: return "LVM_GETCOLUMNW";
4682         case 0x1000 + 26: return "LVM_SETCOLUMNA";
4683         case 0x1000 + 96: return "LVM_SETCOLUMNW";
4684         case 0x1000 + 27: return "LVM_INSERTCOLUMNA";
4685         case 0x1000 + 97: return "LVM_INSERTCOLUMNW";
4686         case 0x1000 + 28: return "LVM_DELETECOLUMN";
4687         case 0x1000 + 29: return "LVM_GETCOLUMNWIDTH";
4688         case 0x1000 + 30: return "LVM_SETCOLUMNWIDTH";
4689         case 0x1000 + 31: return "LVM_GETHEADER";
4690         case 0x1000 + 33: return "LVM_CREATEDRAGIMAGE";
4691         case 0x1000 + 34: return "LVM_GETVIEWRECT";
4692         case 0x1000 + 35: return "LVM_GETTEXTCOLOR";
4693         case 0x1000 + 36: return "LVM_SETTEXTCOLOR";
4694         case 0x1000 + 37: return "LVM_GETTEXTBKCOLOR";
4695         case 0x1000 + 38: return "LVM_SETTEXTBKCOLOR";
4696         case 0x1000 + 39: return "LVM_GETTOPINDEX";
4697         case 0x1000 + 40: return "LVM_GETCOUNTPERPAGE";
4698         case 0x1000 + 41: return "LVM_GETORIGIN";
4699         case 0x1000 + 42: return "LVM_UPDATE";
4700         case 0x1000 + 43: return "LVM_SETITEMSTATE";
4701         case 0x1000 + 44: return "LVM_GETITEMSTATE";
4702         case 0x1000 + 45: return "LVM_GETITEMTEXTA";
4703         case 0x1000 + 115: return "LVM_GETITEMTEXTW";
4704         case 0x1000 + 46: return "LVM_SETITEMTEXTA";
4705         case 0x1000 + 116: return "LVM_SETITEMTEXTW";
4706         case 0x1000 + 47: return "LVM_SETITEMCOUNT";
4707         case 0x1000 + 48: return "LVM_SORTITEMS";
4708         case 0x1000 + 49: return "LVM_SETITEMPOSITION32";
4709         case 0x1000 + 50: return "LVM_GETSELECTEDCOUNT";
4710         case 0x1000 + 51: return "LVM_GETITEMSPACING";
4711         case 0x1000 + 52: return "LVM_GETISEARCHSTRINGA";
4712         case 0x1000 + 117: return "LVM_GETISEARCHSTRINGW";
4713         case 0x1000 + 53: return "LVM_SETICONSPACING";
4714         case 0x1000 + 54: return "LVM_SETEXTENDEDLISTVIEWSTYLE";
4715         case 0x1000 + 55: return "LVM_GETEXTENDEDLISTVIEWSTYLE";
4716         case 0x1000 + 56: return "LVM_GETSUBITEMRECT";
4717         case 0x1000 + 57: return "LVM_SUBITEMHITTEST";
4718         case 0x1000 + 58: return "LVM_SETCOLUMNORDERARRAY";
4719         case 0x1000 + 59: return "LVM_GETCOLUMNORDERARRAY";
4720         case 0x1000 + 60: return "LVM_SETHOTITEM";
4721         case 0x1000 + 61: return "LVM_GETHOTITEM";
4722         case 0x1000 + 62: return "LVM_SETHOTCURSOR";
4723         case 0x1000 + 63: return "LVM_GETHOTCURSOR";
4724         case 0x1000 + 64: return "LVM_APPROXIMATEVIEWRECT";
4725         case 0x1000 + 65: return "LVM_SETWORKAREA";
4726
4727         // tree view
4728         case 0x1100 + 0: return "TVM_INSERTITEMA";
4729         case 0x1100 + 50: return "TVM_INSERTITEMW";
4730         case 0x1100 + 1: return "TVM_DELETEITEM";
4731         case 0x1100 + 2: return "TVM_EXPAND";
4732         case 0x1100 + 4: return "TVM_GETITEMRECT";
4733         case 0x1100 + 5: return "TVM_GETCOUNT";
4734         case 0x1100 + 6: return "TVM_GETINDENT";
4735         case 0x1100 + 7: return "TVM_SETINDENT";
4736         case 0x1100 + 8: return "TVM_GETIMAGELIST";
4737         case 0x1100 + 9: return "TVM_SETIMAGELIST";
4738         case 0x1100 + 10: return "TVM_GETNEXTITEM";
4739         case 0x1100 + 11: return "TVM_SELECTITEM";
4740         case 0x1100 + 12: return "TVM_GETITEMA";
4741         case 0x1100 + 62: return "TVM_GETITEMW";
4742         case 0x1100 + 13: return "TVM_SETITEMA";
4743         case 0x1100 + 63: return "TVM_SETITEMW";
4744         case 0x1100 + 14: return "TVM_EDITLABELA";
4745         case 0x1100 + 65: return "TVM_EDITLABELW";
4746         case 0x1100 + 15: return "TVM_GETEDITCONTROL";
4747         case 0x1100 + 16: return "TVM_GETVISIBLECOUNT";
4748         case 0x1100 + 17: return "TVM_HITTEST";
4749         case 0x1100 + 18: return "TVM_CREATEDRAGIMAGE";
4750         case 0x1100 + 19: return "TVM_SORTCHILDREN";
4751         case 0x1100 + 20: return "TVM_ENSUREVISIBLE";
4752         case 0x1100 + 21: return "TVM_SORTCHILDRENCB";
4753         case 0x1100 + 22: return "TVM_ENDEDITLABELNOW";
4754         case 0x1100 + 23: return "TVM_GETISEARCHSTRINGA";
4755         case 0x1100 + 64: return "TVM_GETISEARCHSTRINGW";
4756         case 0x1100 + 24: return "TVM_SETTOOLTIPS";
4757         case 0x1100 + 25: return "TVM_GETTOOLTIPS";
4758
4759         // header
4760         case 0x1200 + 0: return "HDM_GETITEMCOUNT";
4761         case 0x1200 + 1: return "HDM_INSERTITEMA";
4762         case 0x1200 + 10: return "HDM_INSERTITEMW";
4763         case 0x1200 + 2: return "HDM_DELETEITEM";
4764         case 0x1200 + 3: return "HDM_GETITEMA";
4765         case 0x1200 + 11: return "HDM_GETITEMW";
4766         case 0x1200 + 4: return "HDM_SETITEMA";
4767         case 0x1200 + 12: return "HDM_SETITEMW";
4768         case 0x1200 + 5: return "HDM_LAYOUT";
4769         case 0x1200 + 6: return "HDM_HITTEST";
4770         case 0x1200 + 7: return "HDM_GETITEMRECT";
4771         case 0x1200 + 8: return "HDM_SETIMAGELIST";
4772         case 0x1200 + 9: return "HDM_GETIMAGELIST";
4773         case 0x1200 + 15: return "HDM_ORDERTOINDEX";
4774         case 0x1200 + 16: return "HDM_CREATEDRAGIMAGE";
4775         case 0x1200 + 17: return "HDM_GETORDERARRAY";
4776         case 0x1200 + 18: return "HDM_SETORDERARRAY";
4777         case 0x1200 + 19: return "HDM_SETHOTDIVIDER";
4778
4779         // tab control
4780         case 0x1300 + 2: return "TCM_GETIMAGELIST";
4781         case 0x1300 + 3: return "TCM_SETIMAGELIST";
4782         case 0x1300 + 4: return "TCM_GETITEMCOUNT";
4783         case 0x1300 + 5: return "TCM_GETITEMA";
4784         case 0x1300 + 60: return "TCM_GETITEMW";
4785         case 0x1300 + 6: return "TCM_SETITEMA";
4786         case 0x1300 + 61: return "TCM_SETITEMW";
4787         case 0x1300 + 7: return "TCM_INSERTITEMA";
4788         case 0x1300 + 62: return "TCM_INSERTITEMW";
4789         case 0x1300 + 8: return "TCM_DELETEITEM";
4790         case 0x1300 + 9: return "TCM_DELETEALLITEMS";
4791         case 0x1300 + 10: return "TCM_GETITEMRECT";
4792         case 0x1300 + 11: return "TCM_GETCURSEL";
4793         case 0x1300 + 12: return "TCM_SETCURSEL";
4794         case 0x1300 + 13: return "TCM_HITTEST";
4795         case 0x1300 + 14: return "TCM_SETITEMEXTRA";
4796         case 0x1300 + 40: return "TCM_ADJUSTRECT";
4797         case 0x1300 + 41: return "TCM_SETITEMSIZE";
4798         case 0x1300 + 42: return "TCM_REMOVEIMAGE";
4799         case 0x1300 + 43: return "TCM_SETPADDING";
4800         case 0x1300 + 44: return "TCM_GETROWCOUNT";
4801         case 0x1300 + 45: return "TCM_GETTOOLTIPS";
4802         case 0x1300 + 46: return "TCM_SETTOOLTIPS";
4803         case 0x1300 + 47: return "TCM_GETCURFOCUS";
4804         case 0x1300 + 48: return "TCM_SETCURFOCUS";
4805         case 0x1300 + 49: return "TCM_SETMINTABWIDTH";
4806         case 0x1300 + 50: return "TCM_DESELECTALL";
4807
4808         // toolbar
4809         case WM_USER+1: return "TB_ENABLEBUTTON";
4810         case WM_USER+2: return "TB_CHECKBUTTON";
4811         case WM_USER+3: return "TB_PRESSBUTTON";
4812         case WM_USER+4: return "TB_HIDEBUTTON";
4813         case WM_USER+5: return "TB_INDETERMINATE";
4814         case WM_USER+9: return "TB_ISBUTTONENABLED";
4815         case WM_USER+10: return "TB_ISBUTTONCHECKED";
4816         case WM_USER+11: return "TB_ISBUTTONPRESSED";
4817         case WM_USER+12: return "TB_ISBUTTONHIDDEN";
4818         case WM_USER+13: return "TB_ISBUTTONINDETERMINATE";
4819         case WM_USER+17: return "TB_SETSTATE";
4820         case WM_USER+18: return "TB_GETSTATE";
4821         case WM_USER+19: return "TB_ADDBITMAP";
4822         case WM_USER+20: return "TB_ADDBUTTONS";
4823         case WM_USER+21: return "TB_INSERTBUTTON";
4824         case WM_USER+22: return "TB_DELETEBUTTON";
4825         case WM_USER+23: return "TB_GETBUTTON";
4826         case WM_USER+24: return "TB_BUTTONCOUNT";
4827         case WM_USER+25: return "TB_COMMANDTOINDEX";
4828         case WM_USER+26: return "TB_SAVERESTOREA";
4829         case WM_USER+76: return "TB_SAVERESTOREW";
4830         case WM_USER+27: return "TB_CUSTOMIZE";
4831         case WM_USER+28: return "TB_ADDSTRINGA";
4832         case WM_USER+77: return "TB_ADDSTRINGW";
4833         case WM_USER+29: return "TB_GETITEMRECT";
4834         case WM_USER+30: return "TB_BUTTONSTRUCTSIZE";
4835         case WM_USER+31: return "TB_SETBUTTONSIZE";
4836         case WM_USER+32: return "TB_SETBITMAPSIZE";
4837         case WM_USER+33: return "TB_AUTOSIZE";
4838         case WM_USER+35: return "TB_GETTOOLTIPS";
4839         case WM_USER+36: return "TB_SETTOOLTIPS";
4840         case WM_USER+37: return "TB_SETPARENT";
4841         case WM_USER+39: return "TB_SETROWS";
4842         case WM_USER+40: return "TB_GETROWS";
4843         case WM_USER+42: return "TB_SETCMDID";
4844         case WM_USER+43: return "TB_CHANGEBITMAP";
4845         case WM_USER+44: return "TB_GETBITMAP";
4846         case WM_USER+45: return "TB_GETBUTTONTEXTA";
4847         case WM_USER+75: return "TB_GETBUTTONTEXTW";
4848         case WM_USER+46: return "TB_REPLACEBITMAP";
4849         case WM_USER+47: return "TB_SETINDENT";
4850         case WM_USER+48: return "TB_SETIMAGELIST";
4851         case WM_USER+49: return "TB_GETIMAGELIST";
4852         case WM_USER+50: return "TB_LOADIMAGES";
4853         case WM_USER+51: return "TB_GETRECT";
4854         case WM_USER+52: return "TB_SETHOTIMAGELIST";
4855         case WM_USER+53: return "TB_GETHOTIMAGELIST";
4856         case WM_USER+54: return "TB_SETDISABLEDIMAGELIST";
4857         case WM_USER+55: return "TB_GETDISABLEDIMAGELIST";
4858         case WM_USER+56: return "TB_SETSTYLE";
4859         case WM_USER+57: return "TB_GETSTYLE";
4860         case WM_USER+58: return "TB_GETBUTTONSIZE";
4861         case WM_USER+59: return "TB_SETBUTTONWIDTH";
4862         case WM_USER+60: return "TB_SETMAXTEXTROWS";
4863         case WM_USER+61: return "TB_GETTEXTROWS";
4864         case WM_USER+41: return "TB_GETBITMAPFLAGS";
4865
4866 #endif //WIN32
4867
4868         default:
4869             static char s_szBuf[128];
4870             sprintf(s_szBuf, "<unknown message = %d>", message);
4871             return s_szBuf;
4872     }
4873 }
4874 #endif //__WXDEBUG__
4875
4876 static void TranslateKbdEventToMouse(wxWindowMSW *win,
4877                                      int *x, int *y, WPARAM *flags)
4878 {
4879     // construct the key mask
4880     WPARAM& fwKeys = *flags;
4881
4882     fwKeys = MK_RBUTTON;
4883     if ( wxIsCtrlDown() )
4884         fwKeys |= MK_CONTROL;
4885     if ( wxIsShiftDown() )
4886         fwKeys |= MK_SHIFT;
4887
4888     // simulate right mouse button click
4889     DWORD dwPos = ::GetMessagePos();
4890     *x = GET_X_LPARAM(dwPos);
4891     *y = GET_Y_LPARAM(dwPos);
4892
4893     win->ScreenToClient(x, y);
4894 }
4895
4896 static TEXTMETRIC wxGetTextMetrics(const wxWindowMSW *win)
4897 {
4898     // prepare the DC
4899     TEXTMETRIC tm;
4900     HWND hwnd = GetHwndOf(win);
4901     HDC hdc = ::GetDC(hwnd);
4902
4903 #if !wxDIALOG_UNIT_COMPATIBILITY
4904     // and select the current font into it
4905     HFONT hfont = GetHfontOf(win->GetFont());
4906     if ( hfont )
4907     {
4908         hfont = (HFONT)::SelectObject(hdc, hfont);
4909     }
4910 #endif
4911
4912     // finally retrieve the text metrics from it
4913     GetTextMetrics(hdc, &tm);
4914
4915 #if !wxDIALOG_UNIT_COMPATIBILITY
4916     // and clean up
4917     if ( hfont )
4918     {
4919         (void)::SelectObject(hdc, hfont);
4920     }
4921 #endif
4922
4923     ::ReleaseDC(hwnd, hdc);
4924
4925     return tm;
4926 }
4927
4928 // Find the wxWindow at the current mouse position, returning the mouse
4929 // position.
4930 wxWindow* wxFindWindowAtPointer(wxPoint& WXUNUSED(pt))
4931 {
4932     return wxFindWindowAtPoint(wxGetMousePosition());
4933 }
4934
4935 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
4936 {
4937     POINT pt2;
4938     pt2.x = pt.x;
4939     pt2.y = pt.y;
4940     HWND hWndHit = ::WindowFromPoint(pt2);
4941
4942     wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
4943     HWND hWnd = hWndHit;
4944
4945     // Try to find a window with a wxWindow associated with it
4946     while (!win && (hWnd != 0))
4947     {
4948         hWnd = ::GetParent(hWnd);
4949         win = wxFindWinFromHandle((WXHWND) hWnd) ;
4950     }
4951     return win;
4952 }
4953
4954 // Get the current mouse position.
4955 wxPoint wxGetMousePosition()
4956 {
4957     POINT pt;
4958     GetCursorPos( & pt );
4959     return wxPoint(pt.x, pt.y);
4960 }
4961