src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/toplevel.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/dialog.h"
  32     #include "wx/string.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/frame.h"
  36     #include "wx/containr.h"        // wxSetFocusToChild()
  37     #include "wx/module.h"
  38 #endif //WX_PRECOMP
  39
  40 #include "wx/dynlib.h"
  41
  42 #include "wx/msw/private.h"
  43 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  44     #include <ole2.h>
  45     #include <shellapi.h>
  46     // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  47     #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  48         #include <aygshell.h>
  49     #endif
  50 #endif
  51
  52 #include "wx/msw/winundef.h"
  53 #include "wx/msw/missing.h"
  54
  55 #include "wx/display.h"
  56
  57 #ifndef ICON_BIG
  58     #define ICON_BIG 1
  59 #endif
  60
  61 #ifndef ICON_SMALL
  62     #define ICON_SMALL 0
  63 #endif
  64
  65 // ----------------------------------------------------------------------------
  66 // stubs for missing functions under MicroWindows
  67 // ----------------------------------------------------------------------------
  68
  69 #ifdef __WXMICROWIN__
  70
  71 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  72 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  73
  74 #endif // __WXMICROWIN__
  75
  76 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  77 //     is not included by wxUniv build which does need wxDlgProc
  78 LONG APIENTRY _EXPORT
  79 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  80
  81 // ----------------------------------------------------------------------------
  82 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  83 // module to ensure that the window is always deleted)
  84 // ----------------------------------------------------------------------------
  85
  86 class wxTLWHiddenParentModule : public wxModule
  87 {
  88 public:
  89     // module init/finalize
  90     virtual bool OnInit();
  91     virtual void OnExit();
  92
  93     // get the hidden window (creates on demand)
  94     static HWND GetHWND();
  95
  96 private:
  97     // the HWND of the hidden parent
  98     static HWND ms_hwnd;
  99
 100     // the class used to create it
 101     static const wxChar *ms_className;
 102
 103     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 104 };
 105
 106 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 107
 108 // ============================================================================
 109 // wxTopLevelWindowMSW implementation
 110 // ============================================================================
 111
 112 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 113     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 114 END_EVENT_TABLE()
 115
 116 // ----------------------------------------------------------------------------
 117 // wxTopLevelWindowMSW creation
 118 // ----------------------------------------------------------------------------
 119
 120 void wxTopLevelWindowMSW::Init()
 121 {
 122     m_iconized =
 123     m_maximizeOnShow = false;
 124
 125     // Data to save/restore when calling ShowFullScreen
 126     m_fsStyle = 0;
 127     m_fsOldWindowStyle = 0;
 128     m_fsIsMaximized = false;
 129     m_fsIsShowing = false;
 130
 131     m_winLastFocused = NULL;
 132
 133 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 134     m_MenuBarHWND = 0;
 135 #endif
 136
 137 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 138     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 139     wxZeroMemory(*info);
 140     info->cbSize = sizeof(SHACTIVATEINFO);
 141
 142     m_activateInfo = (void*) info;
 143 #endif
 144 }
 145
 146 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 147 {
 148     // let the base class deal with the common styles but fix the ones which
 149     // don't make sense for us (we also deal with the borders ourselves)
 150     WXDWORD msflags = wxWindow::MSWGetStyle
 151                       (
 152                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 153                       ) & ~WS_CHILD & ~WS_VISIBLE;
 154
 155     // For some reason, WS_VISIBLE needs to be defined on creation for
 156     // SmartPhone 2003. The title can fail to be displayed otherwise.
 157 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 158     msflags |= WS_VISIBLE;
 159     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 160 #endif
 161
 162     // first select the kind of window being created
 163     //
 164     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 165     // creates a window with both caption and border, hence we need to use
 166     // WS_POPUP in a few cases just to avoid having caption/border which we
 167     // don't want
 168
 169     // border and caption styles
 170     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 171         msflags |= WS_THICKFRAME;
 172     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 173         *exflags |= WS_EX_DLGMODALFRAME;
 174     else if ( !(style & wxBORDER_NONE) )
 175         msflags |= WS_BORDER;
 176 #ifndef __POCKETPC__
 177     else
 178         msflags |= WS_POPUP;
 179 #endif
 180
 181     // normally we consider that all windows without a caption must be popups,
 182     // but CE is an exception: there windows normally do not have the caption
 183     // but shouldn't be made popups as popups can't have menus and don't look
 184     // like normal windows anyhow
 185
 186     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 187     // we need it.
 188 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 189     if ( style & wxCAPTION )
 190         msflags |= WS_CAPTION;
 191 #ifndef __WXWINCE__
 192     else
 193         msflags |= WS_POPUP;
 194 #endif // !__WXWINCE__
 195 #endif
 196
 197     // next translate the individual flags
 198
 199     // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
 200     // and is ignored if we specify both of them, but chances are that if we
 201     // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
 202     // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
 203     // takes precedence
 204     if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
 205     {
 206         if ( style & wxMINIMIZE_BOX )
 207             msflags |= WS_MINIMIZEBOX;
 208         if ( style & wxMAXIMIZE_BOX )
 209             msflags |= WS_MAXIMIZEBOX;
 210     }
 211
 212 #ifndef __WXWINCE__
 213     // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as
 214     // otherwise the close box doesn't appear
 215     if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) )
 216         msflags |= WS_SYSMENU;
 217 #endif // !__WXWINCE__
 218
 219     // NB: under CE these 2 styles are not supported currently, we should
 220     //     call Minimize()/Maximize() "manually" if we want to support them
 221     if ( style & wxMINIMIZE )
 222         msflags |= WS_MINIMIZE;
 223
 224     if ( style & wxMAXIMIZE )
 225         msflags |= WS_MAXIMIZE;
 226
 227     // Keep this here because it saves recoding this function in wxTinyFrame
 228     if ( style & wxTINY_CAPTION )
 229         msflags |= WS_CAPTION;
 230
 231     if ( exflags )
 232     {
 233         // there is no taskbar under CE, so omit all this
 234 #if !defined(__WXWINCE__)
 235         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 236         {
 237             if ( style & wxFRAME_TOOL_WINDOW )
 238             {
 239                 // create the palette-like window
 240                 *exflags |= WS_EX_TOOLWINDOW;
 241
 242                 // tool windows shouldn't appear on the taskbar (as documented)
 243                 style |= wxFRAME_NO_TASKBAR;
 244             }
 245
 246             // We have to solve 2 different problems here:
 247             //
 248             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 249             //    taskbar even if they don't have a parent
 250             //
 251             // 2. frames without this style should appear in the taskbar even
 252             //    if they're owned (Windows only puts non owned windows into
 253             //    the taskbar normally)
 254             //
 255             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 256             // first one is dealt with in our MSWGetParent() method
 257             // implementation
 258             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 259             {
 260                 // need to force the frame to appear in the taskbar
 261                 *exflags |= WS_EX_APPWINDOW;
 262             }
 263             //else: nothing to do [here]
 264         }
 265
 266         if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
 267             *exflags |= WS_EX_CONTEXTHELP;
 268 #endif // !__WXWINCE__
 269
 270         if ( style & wxSTAY_ON_TOP )
 271             *exflags |= WS_EX_TOPMOST;
 272     }
 273
 274     return msflags;
 275 }
 276
 277 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 278 {
 279     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 280     // parent HWND or it would be always on top of its parent which is not what
 281     // we usually want (in fact, we only want it for frames with the
 282     // wxFRAME_FLOAT_ON_PARENT flag)
 283     HWND hwndParent = NULL;
 284     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 285     {
 286         const wxWindow *parent = GetParent();
 287
 288         if ( !parent )
 289         {
 290             // this flag doesn't make sense then and will be ignored
 291             wxFAIL_MSG( wxT("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 292         }
 293         else
 294         {
 295             hwndParent = GetHwndOf(parent);
 296         }
 297     }
 298     //else: don't float on parent, must not be owned
 299
 300     // now deal with the 2nd taskbar-related problem (see comments above in
 301     // MSWGetStyle())
 302     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 303     {
 304         // use hidden parent
 305         hwndParent = wxTLWHiddenParentModule::GetHWND();
 306     }
 307
 308     return (WXHWND)hwndParent;
 309 }
 310
 311 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 312 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 313 {
 314     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 315     if ( info )
 316     {
 317         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 318     }
 319
 320     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 321 }
 322 #endif
 323
 324 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 325 {
 326     WXLRESULT rc = 0;
 327     bool processed = false;
 328
 329 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 330     switch ( message )
 331     {
 332         case WM_ACTIVATE:
 333         {
 334             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 335             if (info)
 336             {
 337                 DWORD flags = 0;
 338                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 339                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 340             }
 341
 342             // This implicitly sends a wxEVT_ACTIVATE_APP event
 343             if (wxTheApp)
 344                 wxTheApp->SetActive(wParam != 0, FindFocus());
 345
 346             break;
 347         }
 348         case WM_HIBERNATE:
 349         {
 350             if (wxTheApp)
 351             {
 352                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 353                 event.SetEventObject(wxTheApp);
 354                 processed = wxTheApp->ProcessEvent(event);
 355             }
 356             break;
 357         }
 358     }
 359 #endif
 360
 361     if ( !processed )
 362         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 363
 364     return rc;
 365 }
 366
 367 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 368                                        const wxString& title,
 369                                        const wxPoint& pos,
 370                                        const wxSize& size)
 371 {
 372 #ifdef __WXMICROWIN__
 373     // no dialogs support under MicroWin yet
 374     return CreateFrame(title, pos, size);
 375 #else // !__WXMICROWIN__
 376     // static cast is valid as we're only ever called for dialogs
 377     wxWindow * const
 378         parent = static_cast<wxDialog *>(this)->GetParentForModalDialog();
 379
 380     m_hWnd = (WXHWND)::CreateDialogIndirect
 381                        (
 382                         wxGetInstance(),
 383                         (DLGTEMPLATE*)dlgTemplate,
 384                         parent ? GetHwndOf(parent) : NULL,
 385                         (DLGPROC)wxDlgProc
 386                        );
 387
 388     if ( !m_hWnd )
 389     {
 390         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 391
 392         wxLogSysError(wxT("Can't create dialog using memory template"));
 393
 394         return false;
 395     }
 396
 397 #if !defined(__WXWINCE__)
 398     // For some reason, the system menu is activated when we use the
 399     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 400     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 401     {
 402         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 403         if ( winTop )
 404         {
 405             wxIcon icon = winTop->GetIcon();
 406             if ( icon.Ok() )
 407             {
 408                 ::SendMessage(GetHwnd(), WM_SETICON,
 409                               (WPARAM)TRUE,
 410                               (LPARAM)GetHiconOf(icon));
 411             }
 412         }
 413     }
 414 #endif // !__WXWINCE__
 415
 416     // move the dialog to its initial position without forcing repainting
 417     int x, y, w, h;
 418     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 419
 420     if ( x == (int)CW_USEDEFAULT )
 421     {
 422         // centre it on the screen - what else can we do?
 423         wxSize sizeDpy = wxGetDisplaySize();
 424
 425         x = (sizeDpy.x - w) / 2;
 426         y = (sizeDpy.y - h) / 2;
 427     }
 428
 429 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 430     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 431     {
 432         wxLogLastError(wxT("MoveWindow"));
 433     }
 434 #endif
 435
 436     if ( !title.empty() )
 437     {
 438         ::SetWindowText(GetHwnd(), title.wx_str());
 439     }
 440
 441     SubclassWin(m_hWnd);
 442
 443 #ifdef __SMARTPHONE__
 444     // Work around title non-display glitch
 445     Show(false);
 446 #endif
 447
 448     return true;
 449 #endif // __WXMICROWIN__/!__WXMICROWIN__
 450 }
 451
 452 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 453                                       const wxPoint& pos,
 454                                       const wxSize& size)
 455 {
 456     WXDWORD exflags;
 457     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 458
 459     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 460
 461 #ifndef __WXWINCE__
 462     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 463         exflags |= WS_EX_LAYOUTRTL;
 464 #endif
 465
 466     return MSWCreate(MSWGetRegisteredClassName(),
 467                      title.wx_str(), pos, sz, flags, exflags);
 468 }
 469
 470 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 471                                  wxWindowID id,
 472                                  const wxString& title,
 473                                  const wxPoint& pos,
 474                                  const wxSize& size,
 475                                  long style,
 476                                  const wxString& name)
 477 {
 478     wxSize sizeReal = size;
 479     if ( !sizeReal.IsFullySpecified() )
 480     {
 481         sizeReal.SetDefaults(GetDefaultSize());
 482     }
 483
 484     // notice that we should append this window to wxTopLevelWindows list
 485     // before calling CreateBase() as it behaves differently for TLW and
 486     // non-TLW windows
 487     wxTopLevelWindows.Append(this);
 488
 489     bool ret = CreateBase(parent, id, pos, sizeReal, style, name);
 490     if ( !ret )
 491         return false;
 492
 493     if ( parent )
 494         parent->AddChild(this);
 495
 496     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 497     {
 498         // we have different dialog templates to allows creation of dialogs
 499         // with & without captions under MSWindows, resizeable or not (but a
 500         // resizeable dialog always has caption - otherwise it would look too
 501         // strange)
 502
 503         // we need 3 additional WORDs for dialog menu, class and title (as we
 504         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 505         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 506         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 507         memset(dlgTemplate, 0, dlgsize);
 508
 509         // these values are arbitrary, they won't be used normally anyhow
 510         dlgTemplate->x  = 34;
 511         dlgTemplate->y  = 22;
 512         dlgTemplate->cx = 144;
 513         dlgTemplate->cy = 75;
 514
 515         // reuse the code in MSWGetStyle() but correct the results slightly for
 516         // the dialog
 517         //
 518         // NB: we need a temporary variable as we can't pass pointer to
 519         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 520         //     architectures
 521         WXDWORD dwExtendedStyle;
 522         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 523         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 524
 525         // all dialogs are popups
 526         dlgTemplate->style |= WS_POPUP;
 527
 528 #ifndef __WXWINCE__
 529         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 530         {
 531             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 532         }
 533
 534         // force 3D-look if necessary, it looks impossibly ugly otherwise
 535         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 536             dlgTemplate->style |= DS_MODALFRAME;
 537 #endif
 538
 539         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 540         free(dlgTemplate);
 541     }
 542     else // !dialog
 543     {
 544         ret = CreateFrame(title, pos, sizeReal);
 545     }
 546
 547 #ifndef __WXWINCE__
 548     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 549     {
 550         EnableCloseButton(false);
 551     }
 552 #endif
 553
 554     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 555     // itself but for custom windows we have to do it ourselves in order to
 556     // make the keyboard indicators (such as underlines for accelerators and
 557     // focus rectangles) work under Win2k+
 558     if ( ret )
 559     {
 560         MSWUpdateUIState(UIS_INITIALIZE);
 561     }
 562
 563     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 564     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 565 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 566     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 567     {
 568         this->Maximize();
 569     }
 570 #endif
 571
 572 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 573     SetRightMenu(); // to nothing for initialization
 574 #endif
 575
 576     return ret;
 577 }
 578
 579 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 580 {
 581     SendDestroyEvent();
 582
 583 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 584     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 585     delete info;
 586     m_activateInfo = NULL;
 587 #endif
 588
 589     // after destroying an owned window, Windows activates the next top level
 590     // window in Z order but it may be different from our owner (to reproduce
 591     // this simply Alt-TAB to another application and back before closing the
 592     // owned frame) whereas we always want to yield activation to our parent
 593     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 594     {
 595         wxWindow *parent = GetParent();
 596         if ( parent )
 597         {
 598             ::BringWindowToTop(GetHwndOf(parent));
 599         }
 600     }
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // wxTopLevelWindowMSW showing
 605 // ----------------------------------------------------------------------------
 606
 607 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 608 {
 609     ::ShowWindow(GetHwnd(), nShowCmd);
 610
 611     m_iconized = nShowCmd == SW_MINIMIZE;
 612 }
 613
 614 void wxTopLevelWindowMSW::ShowWithoutActivating()
 615 {
 616     if ( !wxWindowBase::Show(true) )
 617         return;
 618
 619     DoShowWindow(SW_SHOWNA);
 620 }
 621
 622 bool wxTopLevelWindowMSW::Show(bool show)
 623 {
 624     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 625     if ( !wxWindowBase::Show(show) )
 626         return false;
 627
 628     int nShowCmd;
 629     if ( show )
 630     {
 631         if ( m_maximizeOnShow )
 632         {
 633             // show and maximize
 634             nShowCmd = SW_MAXIMIZE;
 635
 636             // This is necessary, or no window appears
 637 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 638             DoShowWindow(SW_SHOW);
 639 #endif
 640
 641             m_maximizeOnShow = false;
 642         }
 643         else if ( m_iconized )
 644         {
 645             // iconize and show
 646             nShowCmd = SW_MINIMIZE;
 647         }
 648         else // just show
 649         {
 650             // we shouldn't use SW_SHOW which also activates the window for
 651             // tool frames (as they shouldn't steal focus from the main window)
 652             // nor for the currently disabled windows as they would be enabled
 653             // as a side effect
 654             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 655                 nShowCmd = SW_SHOWNA;
 656             else
 657                 nShowCmd = SW_SHOW;
 658         }
 659     }
 660     else // hide
 661     {
 662         nShowCmd = SW_HIDE;
 663     }
 664
 665 #if wxUSE_DEFERRED_SIZING
 666     // we only set pending size if we're maximized before being shown, now that
 667     // we're shown we don't need it any more (it is reset in size event handler
 668     // for child windows but we have to do it ourselves for this parent window)
 669     //
 670     // make sure to reset it before actually showing the window as this will
 671     // generate WM_SIZE events and we want to use the correct client size from
 672     // them, not the size returned by WM_NCCALCSIZE in DoGetClientSize() which
 673     // turns out to be wrong for maximized windows (see #11762)
 674     m_pendingSize = wxDefaultSize;
 675 #endif // wxUSE_DEFERRED_SIZING
 676
 677     DoShowWindow(nShowCmd);
 678
 679 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 680     // Addornments have to be added when the frame is the correct size
 681     wxFrame* frame = wxDynamicCast(this, wxFrame);
 682     if (frame && frame->GetMenuBar())
 683         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 684 #endif
 685
 686     return true;
 687 }
 688
 689 // ----------------------------------------------------------------------------
 690 // wxTopLevelWindowMSW maximize/minimize
 691 // ----------------------------------------------------------------------------
 692
 693 void wxTopLevelWindowMSW::Maximize(bool maximize)
 694 {
 695     if ( IsShown() )
 696     {
 697         // just maximize it directly
 698         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 699     }
 700     else // hidden
 701     {
 702         // we can't maximize the hidden frame because it shows it as well,
 703         // so just remember that we should do it later in this case
 704         m_maximizeOnShow = maximize;
 705
 706 #if wxUSE_DEFERRED_SIZING
 707         // after calling Maximize() the client code expects to get the frame
 708         // "real" size and doesn't want to know that, because of implementation
 709         // details, the frame isn't really maximized yet but will be only once
 710         // it's shown, so return our size as it will be then in this case
 711         if ( maximize )
 712         {
 713             // we must only change pending size here, and not call SetSize()
 714             // because otherwise Windows would think that this (full screen)
 715             // size is the natural size for the frame and so would use it when
 716             // the user clicks on "restore" title bar button instead of the
 717             // correct initial frame size
 718             //
 719             // NB: unfortunately we don't know which display we're on yet so we
 720             //     have to use the default one
 721             m_pendingSize = wxGetClientDisplayRect().GetSize();
 722         }
 723         //else: can't do anything in this case, we don't have the old size
 724 #endif // wxUSE_DEFERRED_SIZING
 725     }
 726 }
 727
 728 bool wxTopLevelWindowMSW::IsMaximized() const
 729 {
 730     return IsAlwaysMaximized() ||
 731 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 732
 733            (::IsZoomed(GetHwnd()) != 0) ||
 734 #endif
 735            m_maximizeOnShow;
 736 }
 737
 738 void wxTopLevelWindowMSW::Iconize(bool iconize)
 739 {
 740     if ( IsShown() )
 741     {
 742         // change the window state immediately
 743         DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 744     }
 745     else // hidden
 746     {
 747         // iconizing the window shouldn't show it so just remember that we need
 748         // to become iconized when shown later
 749         m_iconized = true;
 750     }
 751 }
 752
 753 bool wxTopLevelWindowMSW::IsIconized() const
 754 {
 755 #ifdef __WXWINCE__
 756     return false;
 757 #else
 758     if ( !IsShown() )
 759         return m_iconized;
 760
 761     // don't use m_iconized, it may be briefly out of sync with the real state
 762     // as it's only modified when we receive a WM_SIZE and we could be called
 763     // from an event handler from one of the messages we receive before it,
 764     // such as WM_MOVE
 765     return ::IsIconic(GetHwnd()) != 0;
 766 #endif
 767 }
 768
 769 void wxTopLevelWindowMSW::Restore()
 770 {
 771     DoShowWindow(SW_RESTORE);
 772 }
 773
 774 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 775 {
 776     if ( dir == wxLayout_Default )
 777         dir = wxTheApp->GetLayoutDirection();
 778
 779     if ( dir != wxLayout_Default )
 780         wxTopLevelWindowBase::SetLayoutDirection(dir);
 781 }
 782
 783 // ----------------------------------------------------------------------------
 784 // wxTopLevelWindowMSW geometry
 785 // ----------------------------------------------------------------------------
 786
 787 #ifndef __WXWINCE__
 788
 789 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 790 {
 791     if ( IsIconized() )
 792     {
 793         WINDOWPLACEMENT wp;
 794         wp.length = sizeof(WINDOWPLACEMENT);
 795         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 796         {
 797             RECT& rc = wp.rcNormalPosition;
 798
 799             // the position returned by GetWindowPlacement() is in workspace
 800             // coordinates except for windows with WS_EX_TOOLWINDOW style
 801             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 802             {
 803                 // we must use the correct display for the translation as the
 804                 // task bar might be shown on one display but not the other one
 805                 int n = wxDisplay::GetFromWindow(this);
 806                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 807                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 808                                       dpy.GetGeometry().GetPosition();
 809
 810                 rc.left += ptOfs.x;
 811                 rc.top += ptOfs.y;
 812             }
 813
 814             if ( x )
 815                 *x = rc.left;
 816             if ( y )
 817                 *y = rc.top;
 818
 819             return;
 820         }
 821
 822         wxLogLastError(wxT("GetWindowPlacement"));
 823     }
 824     //else: normal case
 825
 826     wxTopLevelWindowBase::DoGetPosition(x, y);
 827 }
 828
 829 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 830 {
 831     if ( IsIconized() )
 832     {
 833         WINDOWPLACEMENT wp;
 834         wp.length = sizeof(WINDOWPLACEMENT);
 835         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 836         {
 837             const RECT& rc = wp.rcNormalPosition;
 838
 839             if ( width )
 840                 *width = rc.right - rc.left;
 841             if ( height )
 842                 *height = rc.bottom - rc.top;
 843
 844             return;
 845         }
 846
 847         wxLogLastError(wxT("GetWindowPlacement"));
 848     }
 849     //else: normal case
 850
 851     wxTopLevelWindowBase::DoGetSize(width, height);
 852 }
 853
 854 #endif // __WXWINCE__
 855
 856 void
 857 wxTopLevelWindowMSW::MSWGetCreateWindowCoords(const wxPoint& pos,
 858                                               const wxSize& size,
 859                                               int& x, int& y,
 860                                               int& w, int& h) const
 861 {
 862     // let the system position the window if no explicit position was specified
 863     if ( pos.x == wxDefaultCoord )
 864     {
 865         // if x is set to CW_USEDEFAULT, y parameter is ignored anyhow so we
 866         // can just as well set it to CW_USEDEFAULT as well
 867         x =
 868         y = CW_USEDEFAULT;
 869     }
 870     else
 871     {
 872         // OTOH, if x is not set to CW_USEDEFAULT, y shouldn't be set to it
 873         // neither because it is not handled as a special value by Windows then
 874         // and so we have to choose some default value for it, even if a
 875         // completely arbitrary one
 876         static const int DEFAULT_Y = 200;
 877
 878         x = pos.x;
 879         y = pos.y == wxDefaultCoord ? DEFAULT_Y : pos.y;
 880     }
 881
 882     if ( size.x == wxDefaultCoord || size.y == wxDefaultCoord )
 883     {
 884         // We don't use CW_USEDEFAULT here for several reasons:
 885         //
 886         //  1. It results in huge frames on modern screens (1000*800 is not
 887         //     uncommon on my 1280*1024 screen) which is way too big for a half
 888         //     empty frame of most of wxWidgets samples for example)
 889         //
 890         //  2. It is buggy for frames with wxFRAME_TOOL_WINDOW style for which
 891         //     the default is for whatever reason 8*8 which breaks client <->
 892         //     window size calculations (it would be nice if it didn't, but it
 893         //     does and the simplest way to fix it seemed to change the broken
 894         //     default size anyhow)
 895         //
 896         //  3. There is just no advantage in doing it: with x and y it is
 897         //     possible that [future versions of] Windows position the new top
 898         //     level window in some smart way which we can't do, but we can
 899         //     guess a reasonably good size for a new window just as well
 900         //     ourselves
 901         //
 902         // The only exception is for the Windows CE platform where the system
 903         // does know better than we how should the windows be sized
 904 #ifdef _WIN32_WCE
 905         w =
 906         h = CW_USEDEFAULT;
 907 #else // !_WIN32_WCE
 908         wxSize sizeReal = size;
 909         sizeReal.SetDefaults(GetDefaultSize());
 910
 911         w = sizeReal.x;
 912         h = sizeReal.y;
 913 #endif // _WIN32_WCE/!_WIN32_WCE
 914     }
 915     else
 916     {
 917         w = size.x;
 918         h = size.y;
 919     }
 920 }
 921
 922 // ----------------------------------------------------------------------------
 923 // wxTopLevelWindowMSW fullscreen
 924 // ----------------------------------------------------------------------------
 925
 926 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 927 {
 928     if ( show == IsFullScreen() )
 929     {
 930         // nothing to do
 931         return true;
 932     }
 933
 934     m_fsIsShowing = show;
 935
 936     if ( show )
 937     {
 938         m_fsStyle = style;
 939
 940         // zap the frame borders
 941
 942         // save the 'normal' window style
 943         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 944
 945         // save the old position, width & height, maximize state
 946         m_fsOldSize = GetRect();
 947         m_fsIsMaximized = IsMaximized();
 948
 949         // decide which window style flags to turn off
 950         LONG newStyle = m_fsOldWindowStyle;
 951         LONG offFlags = 0;
 952
 953         if (style & wxFULLSCREEN_NOBORDER)
 954         {
 955             offFlags |= WS_BORDER;
 956 #ifndef __WXWINCE__
 957             offFlags |= WS_THICKFRAME;
 958 #endif
 959         }
 960         if (style & wxFULLSCREEN_NOCAPTION)
 961             offFlags |= WS_CAPTION | WS_SYSMENU;
 962
 963         newStyle &= ~offFlags;
 964
 965         // change our window style to be compatible with full-screen mode
 966         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 967
 968         wxRect rect;
 969 #if wxUSE_DISPLAY
 970         // resize to the size of the display containing us
 971         int dpy = wxDisplay::GetFromWindow(this);
 972         if ( dpy != wxNOT_FOUND )
 973         {
 974             rect = wxDisplay(dpy).GetGeometry();
 975         }
 976         else // fall back to the main desktop
 977 #endif // wxUSE_DISPLAY
 978         {
 979             // resize to the size of the desktop
 980             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 981 #ifdef __WXWINCE__
 982             // FIXME: size of the bottom menu (toolbar)
 983             // should be taken in account
 984             rect.height += rect.y;
 985             rect.y       = 0;
 986 #endif
 987         }
 988
 989         SetSize(rect);
 990
 991         // now flush the window style cache and actually go full-screen
 992         long flags = SWP_FRAMECHANGED;
 993
 994         // showing the frame full screen should also show it if it's still
 995         // hidden
 996         if ( !IsShown() )
 997         {
 998             // don't call wxWindow version to avoid flicker from calling
 999             // ::ShowWindow() -- we're going to show the window at the correct
1000             // location directly below -- but do call the wxWindowBase version
1001             // to sync the internal m_isShown flag
1002             wxWindowBase::Show();
1003
1004             flags |= SWP_SHOWWINDOW;
1005         }
1006
1007         SetWindowPos(GetHwnd(), HWND_TOP,
1008                      rect.x, rect.y, rect.width, rect.height,
1009                      flags);
1010
1011 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1012         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
1013 #endif
1014
1015         // finally send an event allowing the window to relayout itself &c
1016         wxSizeEvent event(rect.GetSize(), GetId());
1017         HandleWindowEvent(event);
1018     }
1019     else // stop showing full screen
1020     {
1021 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1022         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
1023 #endif
1024         Maximize(m_fsIsMaximized);
1025         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
1026         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
1027             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
1028     }
1029
1030     return true;
1031 }
1032
1033 // ----------------------------------------------------------------------------
1034 // wxTopLevelWindowMSW misc
1035 // ----------------------------------------------------------------------------
1036
1037 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
1038 {
1039     SetLabel(title);
1040 }
1041
1042 wxString wxTopLevelWindowMSW::GetTitle() const
1043 {
1044     return GetLabel();
1045 }
1046
1047 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
1048                                              int smX,
1049                                              int smY,
1050                                              int i)
1051 {
1052     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
1053
1054     const wxIcon icon = icons.GetIconOfExactSize(size);
1055     if ( icon.Ok() )
1056     {
1057         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
1058         return true;
1059     }
1060
1061     return false;
1062 }
1063
1064 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
1065 {
1066     wxTopLevelWindowBase::SetIcons(icons);
1067
1068     if ( icons.IsEmpty() )
1069     {
1070         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
1071         //        but we currently don't do that
1072         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
1073         return;
1074     }
1075
1076     bool anySet =
1077         DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
1078     if ( DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
1079         anySet = true;
1080
1081     if ( !anySet )
1082     {
1083         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1084     }
1085 }
1086
1087 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1088 {
1089 #if !defined(__WXMICROWIN__)
1090     // get system (a.k.a. window) menu
1091     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1092     if ( !hmenu )
1093     {
1094         // no system menu at all -- ok if we want to remove the close button
1095         // anyhow, but bad if we want to show it
1096         return !enable;
1097     }
1098
1099     // enabling/disabling the close item from it also automatically
1100     // disables/enables the close title bar button
1101     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1102                           MF_BYCOMMAND |
1103                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1104     {
1105         wxLogLastError(wxT("EnableMenuItem(SC_CLOSE)"));
1106
1107         return false;
1108     }
1109 #ifndef __WXWINCE__
1110     // update appearance immediately
1111     if ( !::DrawMenuBar(GetHwnd()) )
1112     {
1113         wxLogLastError(wxT("DrawMenuBar"));
1114     }
1115 #endif
1116 #endif // !__WXMICROWIN__
1117
1118     return true;
1119 }
1120
1121 #ifndef __WXWINCE__
1122
1123 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1124 {
1125     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1126                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1127
1128     // The empty region signifies that the shape should be removed from the
1129     // window.
1130     if ( region.IsEmpty() )
1131     {
1132         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1133         {
1134             wxLogLastError(wxT("SetWindowRgn"));
1135             return false;
1136         }
1137         return true;
1138     }
1139
1140     // Windows takes ownership of the region, so
1141     // we'll have to make a copy of the region to give to it.
1142     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1143     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1144     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1145     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1146     delete[] (char*) rgnData;
1147
1148     // SetWindowRgn expects the region to be in coordinants
1149     // relative to the window, not the client area.  Figure
1150     // out the offset, if any.
1151     RECT rect;
1152     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1153     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1154     ::GetClientRect(GetHwnd(), &rect);
1155     ::AdjustWindowRectEx(&rect, dwStyle, ::GetMenu(GetHwnd()) != NULL, dwExStyle);
1156     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1157
1158     // Now call the shape API with the new region.
1159     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1160     {
1161         wxLogLastError(wxT("SetWindowRgn"));
1162         return false;
1163     }
1164     return true;
1165 }
1166
1167 #endif // !__WXWINCE__
1168
1169 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1170 {
1171     // check if we can use FlashWindowEx(): unfortunately a simple test for
1172     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1173     // provide FlashWindowEx() declaration, so try to detect whether we have
1174     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1175     // declated in MSVC6 header
1176 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1177     // available in the headers, check if it is supported by the system
1178     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1179     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1180     if ( !s_pfnFlashWindowEx )
1181     {
1182         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1183         s_pfnFlashWindowEx = (FlashWindowEx_t)
1184                                 dllUser32.GetSymbol(wxT("FlashWindowEx"));
1185
1186         // we can safely unload user32.dll here, it's going to remain loaded as
1187         // long as the program is running anyhow
1188     }
1189
1190     if ( s_pfnFlashWindowEx )
1191     {
1192         WinStruct<FLASHWINFO> fwi;
1193         fwi.hwnd = GetHwnd();
1194         fwi.dwFlags = FLASHW_ALL;
1195         if ( flags & wxUSER_ATTENTION_INFO )
1196         {
1197             // just flash a few times
1198             fwi.uCount = 3;
1199         }
1200         else // wxUSER_ATTENTION_ERROR
1201         {
1202             // flash until the user notices it
1203             fwi.dwFlags |= FLASHW_TIMERNOFG;
1204         }
1205
1206         s_pfnFlashWindowEx(&fwi);
1207     }
1208     else // FlashWindowEx() not available
1209 #endif // FlashWindowEx() defined
1210     {
1211         wxUnusedVar(flags);
1212 #ifndef __WXWINCE__
1213         ::FlashWindow(GetHwnd(), TRUE);
1214 #endif // __WXWINCE__
1215     }
1216 }
1217
1218 // ---------------------------------------------------------------------------
1219
1220 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1221 {
1222 #if wxUSE_DYNLIB_CLASS
1223     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1224     static PSETLAYEREDWINDOWATTR
1225         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1226
1227     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1228     {
1229         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1230
1231         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1232         // Windows 95: there is nothing the user can do about this anyhow
1233         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1234             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1235
1236         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1237         // anyhow so it won't be unloaded
1238     }
1239
1240     if ( !pSetLayeredWindowAttributes )
1241         return false;
1242 #endif // wxUSE_DYNLIB_CLASS
1243
1244     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1245
1246     // if setting alpha to fully opaque then turn off the layered style
1247     if (alpha == 255)
1248     {
1249         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1250         Refresh();
1251         return true;
1252     }
1253
1254 #if wxUSE_DYNLIB_CLASS
1255     // Otherwise, set the layered style if needed and set the alpha value
1256     if ((exstyle & WS_EX_LAYERED) == 0 )
1257         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1258
1259     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1260         return true;
1261 #endif // wxUSE_DYNLIB_CLASS
1262
1263     return false;
1264 }
1265
1266 bool wxTopLevelWindowMSW::CanSetTransparent()
1267 {
1268     // The API is available on win2k and above
1269
1270     static int os_type = -1;
1271     static int ver_major = -1;
1272
1273     if (os_type == -1)
1274         os_type = ::wxGetOsVersion(&ver_major);
1275
1276     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1277 }
1278
1279
1280 void wxTopLevelWindowMSW::DoFreeze()
1281 {
1282     // do nothing: freezing toplevel window causes paint and mouse events
1283     // to go through it any TLWs under it, so the best we can do is to freeze
1284     // all children -- and wxWindowBase::Freeze() does that
1285 }
1286
1287 void wxTopLevelWindowMSW::DoThaw()
1288 {
1289     // intentionally empty -- see DoFreeze()
1290 }
1291
1292
1293 // ----------------------------------------------------------------------------
1294 // wxTopLevelWindow event handling
1295 // ----------------------------------------------------------------------------
1296
1297 // Default activation behaviour - set the focus for the first child
1298 // subwindow found.
1299 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1300 {
1301     if ( event.GetActive() )
1302     {
1303         // restore focus to the child which was last focused unless we already
1304         // have it
1305         wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
1306
1307         wxWindow *winFocus = FindFocus();
1308         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1309         {
1310             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1311                                                 : NULL;
1312             if ( !parent )
1313             {
1314                 parent = this;
1315             }
1316
1317             wxSetFocusToChild(parent, &m_winLastFocused);
1318         }
1319     }
1320     else // deactivating
1321     {
1322         // remember the last focused child if it is our child
1323         m_winLastFocused = FindFocus();
1324
1325         if ( m_winLastFocused )
1326         {
1327             // let it know that it doesn't have focus any more
1328             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1329             // focus events if we call it explicitly.
1330             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1331
1332             // and don't remember it if it's a child from some other frame
1333             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1334             {
1335                 m_winLastFocused = NULL;
1336             }
1337         }
1338
1339         wxLogTrace(wxT("focus"),
1340                    wxT("wxTLW %p deactivated, last focused: %p."),
1341                    m_hWnd,
1342                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1343
1344         event.Skip();
1345     }
1346 }
1347
1348 // the DialogProc for all wxWidgets dialogs
1349 LONG APIENTRY _EXPORT
1350 wxDlgProc(HWND hDlg,
1351           UINT message,
1352           WPARAM WXUNUSED(wParam),
1353           LPARAM WXUNUSED(lParam))
1354 {
1355     switch ( message )
1356     {
1357         case WM_INITDIALOG:
1358         {
1359             // under CE, add a "Ok" button in the dialog title bar and make it full
1360             // screen
1361             //
1362             // TODO: find the window for this HWND, and take into account
1363             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1364             //
1365             // Standard SDK doesn't have aygshell.dll: see
1366             // include/wx/msw/wince/libraries.h
1367 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1368             SHINITDLGINFO shidi;
1369             shidi.dwMask = SHIDIM_FLAGS;
1370             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1371 #ifndef __SMARTPHONE__
1372                             | SHIDIF_DONEBUTTON
1373 #endif
1374                         ;
1375             shidi.hDlg = hDlg;
1376             SHInitDialog( &shidi );
1377 #else // no SHInitDialog()
1378             wxUnusedVar(hDlg);
1379 #endif
1380             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1381             // the first control in the dialog box, but as we set the focus
1382             // ourselves, we return FALSE for it as well
1383             return FALSE;
1384         }
1385     }
1386
1387     // for almost all messages, returning FALSE means that we didn't process
1388     // the message
1389     return FALSE;
1390 }
1391
1392 // ============================================================================
1393 // wxTLWHiddenParentModule implementation
1394 // ============================================================================
1395
1396 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1397
1398 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1399
1400 bool wxTLWHiddenParentModule::OnInit()
1401 {
1402     ms_hwnd = NULL;
1403     ms_className = NULL;
1404
1405     return true;
1406 }
1407
1408 void wxTLWHiddenParentModule::OnExit()
1409 {
1410     if ( ms_hwnd )
1411     {
1412         if ( !::DestroyWindow(ms_hwnd) )
1413         {
1414             wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
1415         }
1416
1417         ms_hwnd = NULL;
1418     }
1419
1420     if ( ms_className )
1421     {
1422         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1423         {
1424             wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
1425         }
1426
1427         ms_className = NULL;
1428     }
1429 }
1430
1431 /* static */
1432 HWND wxTLWHiddenParentModule::GetHWND()
1433 {
1434     if ( !ms_hwnd )
1435     {
1436         if ( !ms_className )
1437         {
1438             static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
1439
1440             WNDCLASS wndclass;
1441             wxZeroMemory(wndclass);
1442
1443             wndclass.lpfnWndProc   = DefWindowProc;
1444             wndclass.hInstance     = wxGetInstance();
1445             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1446
1447             if ( !::RegisterClass(&wndclass) )
1448             {
1449                 wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
1450             }
1451             else
1452             {
1453                 ms_className = HIDDEN_PARENT_CLASS;
1454             }
1455         }
1456
1457         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1458                                  (HMENU)NULL, wxGetInstance(), NULL);
1459         if ( !ms_hwnd )
1460         {
1461             wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
1462         }
1463     }
1464
1465     return ms_hwnd;
1466 }