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 // License:     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_VERT | wxTINY_CAPTION_HORIZ) )
 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( _T("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     wxWindow *parent = GetParent();
 377
 378     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 379     // app window as parent - this avoids creating modal dialogs without
 380     // parent
 381     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 382     {
 383         parent = wxTheApp->GetTopWindow();
 384
 385         if ( parent )
 386         {
 387             // don't use transient windows as parents, this is dangerous as it
 388             // can lead to a crash if the parent is destroyed before the child
 389             //
 390             // also don't use the window which is currently hidden as then the
 391             // dialog would be hidden as well
 392             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 393                     !parent->IsShown() )
 394             {
 395                 parent = NULL;
 396             }
 397         }
 398     }
 399
 400     m_hWnd = (WXHWND)::CreateDialogIndirect
 401                        (
 402                         wxGetInstance(),
 403                         (DLGTEMPLATE*)dlgTemplate,
 404                         parent ? GetHwndOf(parent) : NULL,
 405                         (DLGPROC)wxDlgProc
 406                        );
 407
 408     if ( !m_hWnd )
 409     {
 410         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 411
 412         wxLogSysError(wxT("Can't create dialog using memory template"));
 413
 414         return false;
 415     }
 416
 417 #if !defined(__WXWINCE__)
 418     // For some reason, the system menu is activated when we use the
 419     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 420     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 421     {
 422         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 423         if ( winTop )
 424         {
 425             wxIcon icon = winTop->GetIcon();
 426             if ( icon.Ok() )
 427             {
 428                 ::SendMessage(GetHwnd(), WM_SETICON,
 429                               (WPARAM)TRUE,
 430                               (LPARAM)GetHiconOf(icon));
 431             }
 432         }
 433     }
 434 #endif // !__WXWINCE__
 435
 436     // move the dialog to its initial position without forcing repainting
 437     int x, y, w, h;
 438     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 439
 440     if ( x == (int)CW_USEDEFAULT )
 441     {
 442         // centre it on the screen - what else can we do?
 443         wxSize sizeDpy = wxGetDisplaySize();
 444
 445         x = (sizeDpy.x - w) / 2;
 446         y = (sizeDpy.y - h) / 2;
 447     }
 448
 449 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 450     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 451     {
 452         wxLogLastError(wxT("MoveWindow"));
 453     }
 454 #endif
 455
 456     if ( !title.empty() )
 457     {
 458         ::SetWindowText(GetHwnd(), title.wx_str());
 459     }
 460
 461     SubclassWin(m_hWnd);
 462
 463 #ifdef __SMARTPHONE__
 464     // Work around title non-display glitch
 465     Show(false);
 466 #endif
 467
 468     return true;
 469 #endif // __WXMICROWIN__/!__WXMICROWIN__
 470 }
 471
 472 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 473                                       const wxPoint& pos,
 474                                       const wxSize& size)
 475 {
 476     WXDWORD exflags;
 477     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 478
 479     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 480
 481 #ifndef __WXWINCE__
 482     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 483         exflags |= WS_EX_LAYOUTRTL;
 484 #endif
 485
 486     return MSWCreate(MSWGetRegisteredClassName(),
 487                      title.wx_str(), pos, sz, flags, exflags);
 488 }
 489
 490 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 491                                  wxWindowID id,
 492                                  const wxString& title,
 493                                  const wxPoint& pos,
 494                                  const wxSize& size,
 495                                  long style,
 496                                  const wxString& name)
 497 {
 498     bool ret wxDUMMY_INITIALIZE(false);
 499
 500     wxSize sizeReal = size;
 501     if ( !sizeReal.IsFullySpecified() )
 502     {
 503         sizeReal.SetDefaults(GetDefaultSize());
 504     }
 505
 506     m_windowStyle = style;
 507
 508     SetName(name);
 509
 510     m_windowId = id == wxID_ANY ? NewControlId() : id;
 511
 512     wxTopLevelWindows.Append(this);
 513
 514     if ( parent )
 515         parent->AddChild(this);
 516
 517     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 518     {
 519         // we have different dialog templates to allows creation of dialogs
 520         // with & without captions under MSWindows, resizeable or not (but a
 521         // resizeable dialog always has caption - otherwise it would look too
 522         // strange)
 523
 524         // we need 3 additional WORDs for dialog menu, class and title (as we
 525         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 526         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 527         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 528         memset(dlgTemplate, 0, dlgsize);
 529
 530         // these values are arbitrary, they won't be used normally anyhow
 531         dlgTemplate->x  = 34;
 532         dlgTemplate->y  = 22;
 533         dlgTemplate->cx = 144;
 534         dlgTemplate->cy = 75;
 535
 536         // reuse the code in MSWGetStyle() but correct the results slightly for
 537         // the dialog
 538         //
 539         // NB: we need a temporary variable as we can't pass pointer to
 540         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 541         //     architectures
 542         WXDWORD dwExtendedStyle;
 543         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 544         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 545
 546         // all dialogs are popups
 547         dlgTemplate->style |= WS_POPUP;
 548
 549 #ifndef __WXWINCE__
 550         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 551         {
 552             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 553         }
 554
 555         // force 3D-look if necessary, it looks impossibly ugly otherwise
 556         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 557             dlgTemplate->style |= DS_MODALFRAME;
 558 #endif
 559
 560         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 561         free(dlgTemplate);
 562     }
 563     else // !dialog
 564     {
 565         ret = CreateFrame(title, pos, sizeReal);
 566     }
 567
 568 #ifndef __WXWINCE__
 569     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 570     {
 571         EnableCloseButton(false);
 572     }
 573 #endif
 574
 575     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 576     // itself but for custom windows we have to do it ourselves in order to
 577     // make the keyboard indicators (such as underlines for accelerators and
 578     // focus rectangles) work under Win2k+
 579     if ( ret )
 580     {
 581         MSWUpdateUIState(UIS_INITIALIZE);
 582     }
 583
 584     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 585     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 586 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 587     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 588     {
 589         this->Maximize();
 590     }
 591 #endif
 592
 593 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 594     SetRightMenu(); // to nothing for initialization
 595 #endif
 596
 597     return ret;
 598 }
 599
 600 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 601 {
 602     SendDestroyEvent();
 603
 604 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 605     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 606     delete info;
 607     m_activateInfo = NULL;
 608 #endif
 609
 610     // after destroying an owned window, Windows activates the next top level
 611     // window in Z order but it may be different from our owner (to reproduce
 612     // this simply Alt-TAB to another application and back before closing the
 613     // owned frame) whereas we always want to yield activation to our parent
 614     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 615     {
 616         wxWindow *parent = GetParent();
 617         if ( parent )
 618         {
 619             ::BringWindowToTop(GetHwndOf(parent));
 620         }
 621     }
 622 }
 623
 624 // ----------------------------------------------------------------------------
 625 // wxTopLevelWindowMSW showing
 626 // ----------------------------------------------------------------------------
 627
 628 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 629 {
 630     ::ShowWindow(GetHwnd(), nShowCmd);
 631
 632     m_iconized = nShowCmd == SW_MINIMIZE;
 633 }
 634
 635 bool wxTopLevelWindowMSW::Show(bool show)
 636 {
 637     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 638     if ( !wxWindowBase::Show(show) )
 639         return false;
 640
 641     int nShowCmd;
 642     if ( show )
 643     {
 644         if ( m_maximizeOnShow )
 645         {
 646             // show and maximize
 647             nShowCmd = SW_MAXIMIZE;
 648
 649             // This is necessary, or no window appears
 650 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 651             DoShowWindow(SW_SHOW);
 652 #endif
 653
 654             m_maximizeOnShow = false;
 655         }
 656         else if ( m_iconized )
 657         {
 658             // iconize and show
 659             nShowCmd = SW_MINIMIZE;
 660         }
 661         else // just show
 662         {
 663             // we shouldn't use SW_SHOW which also activates the window for
 664             // tool frames (as they shouldn't steal focus from the main window)
 665             // nor for the currently disabled windows as they would be enabled
 666             // as a side effect
 667             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 668                 nShowCmd = SW_SHOWNA;
 669             else
 670                 nShowCmd = SW_SHOW;
 671         }
 672     }
 673     else // hide
 674     {
 675         nShowCmd = SW_HIDE;
 676     }
 677
 678     DoShowWindow(nShowCmd);
 679
 680 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 681     // Addornments have to be added when the frame is the correct size
 682     wxFrame* frame = wxDynamicCast(this, wxFrame);
 683     if (frame && frame->GetMenuBar())
 684         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 685 #endif
 686
 687     // we only set pending size if we're maximized before being shown, now that
 688     // we're shown we don't need it any more (it is reset in size event handler
 689     // for child windows but we have to do it ourselves for this parent window)
 690     m_pendingSize = wxDefaultSize;
 691
 692     return true;
 693 }
 694
 695 // ----------------------------------------------------------------------------
 696 // wxTopLevelWindowMSW maximize/minimize
 697 // ----------------------------------------------------------------------------
 698
 699 void wxTopLevelWindowMSW::Maximize(bool maximize)
 700 {
 701     if ( IsShown() )
 702     {
 703         // just maximize it directly
 704         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 705     }
 706     else // hidden
 707     {
 708         // we can't maximize the hidden frame because it shows it as well,
 709         // so just remember that we should do it later in this case
 710         m_maximizeOnShow = maximize;
 711
 712         // after calling Maximize() the client code expects to get the frame
 713         // "real" size and doesn't want to know that, because of implementation
 714         // details, the frame isn't really maximized yet but will be only once
 715         // it's shown, so return our size as it will be then in this case
 716         if ( maximize )
 717         {
 718             // we must only change pending size here, and not call SetSize()
 719             // because otherwise Windows would think that this (full screen)
 720             // size is the natural size for the frame and so would use it when
 721             // the user clicks on "restore" title bar button instead of the
 722             // correct initial frame size
 723             //
 724             // NB: unfortunately we don't know which display we're on yet so we
 725             //     have to use the default one
 726             m_pendingSize = wxGetClientDisplayRect().GetSize();
 727         }
 728         //else: can't do anything in this case, we don't have the old size
 729     }
 730 }
 731
 732 bool wxTopLevelWindowMSW::IsMaximized() const
 733 {
 734     return IsAlwaysMaximized() ||
 735 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 736
 737            (::IsZoomed(GetHwnd()) != 0) ||
 738 #endif
 739            m_maximizeOnShow;
 740 }
 741
 742 void wxTopLevelWindowMSW::Iconize(bool iconize)
 743 {
 744     if ( IsShown() )
 745     {
 746         // change the window state immediately
 747         DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 748     }
 749     else // hidden
 750     {
 751         // iconizing the window shouldn't show it so just remember that we need
 752         // to become iconized when shown later
 753         m_iconized = true;
 754     }
 755 }
 756
 757 bool wxTopLevelWindowMSW::IsIconized() const
 758 {
 759 #ifdef __WXWINCE__
 760     return false;
 761 #else
 762     if ( !IsShown() )
 763         return m_iconized;
 764
 765     // don't use m_iconized, it may be briefly out of sync with the real state
 766     // as it's only modified when we receive a WM_SIZE and we could be called
 767     // from an event handler from one of the messages we receive before it,
 768     // such as WM_MOVE
 769     return ::IsIconic(GetHwnd()) != 0;
 770 #endif
 771 }
 772
 773 void wxTopLevelWindowMSW::Restore()
 774 {
 775     DoShowWindow(SW_RESTORE);
 776 }
 777
 778 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 779 {
 780     if ( dir == wxLayout_Default )
 781         dir = wxTheApp->GetLayoutDirection();
 782
 783     if ( dir != wxLayout_Default )
 784         wxTopLevelWindowBase::SetLayoutDirection(dir);
 785 }
 786
 787 // ----------------------------------------------------------------------------
 788 // wxTopLevelWindowMSW geometry
 789 // ----------------------------------------------------------------------------
 790
 791 #ifndef __WXWINCE__
 792
 793 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 794 {
 795     if ( IsIconized() )
 796     {
 797         WINDOWPLACEMENT wp;
 798         wp.length = sizeof(WINDOWPLACEMENT);
 799         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 800         {
 801             RECT& rc = wp.rcNormalPosition;
 802
 803             // the position returned by GetWindowPlacement() is in workspace
 804             // coordinates except for windows with WS_EX_TOOLWINDOW style
 805             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 806             {
 807                 // we must use the correct display for the translation as the
 808                 // task bar might be shown on one display but not the other one
 809                 int n = wxDisplay::GetFromWindow(this);
 810                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 811                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 812                                       dpy.GetGeometry().GetPosition();
 813
 814                 rc.left += ptOfs.x;
 815                 rc.top += ptOfs.y;
 816             }
 817
 818             if ( x )
 819                 *x = rc.left;
 820             if ( y )
 821                 *y = rc.top;
 822
 823             return;
 824         }
 825
 826         wxLogLastError(_T("GetWindowPlacement"));
 827     }
 828     //else: normal case
 829
 830     wxTopLevelWindowBase::DoGetPosition(x, y);
 831 }
 832
 833 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 834 {
 835     if ( IsIconized() )
 836     {
 837         WINDOWPLACEMENT wp;
 838         wp.length = sizeof(WINDOWPLACEMENT);
 839         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 840         {
 841             const RECT& rc = wp.rcNormalPosition;
 842
 843             if ( width )
 844                 *width = rc.right - rc.left;
 845             if ( height )
 846                 *height = rc.bottom - rc.top;
 847
 848             return;
 849         }
 850
 851         wxLogLastError(_T("GetWindowPlacement"));
 852     }
 853     //else: normal case
 854
 855     wxTopLevelWindowBase::DoGetSize(width, height);
 856 }
 857
 858 #endif // __WXWINCE__
 859
 860 // ----------------------------------------------------------------------------
 861 // wxTopLevelWindowMSW fullscreen
 862 // ----------------------------------------------------------------------------
 863
 864 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 865 {
 866     if ( show == IsFullScreen() )
 867     {
 868         // nothing to do
 869         return true;
 870     }
 871
 872     m_fsIsShowing = show;
 873
 874     if ( show )
 875     {
 876         m_fsStyle = style;
 877
 878         // zap the frame borders
 879
 880         // save the 'normal' window style
 881         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 882
 883         // save the old position, width & height, maximize state
 884         m_fsOldSize = GetRect();
 885         m_fsIsMaximized = IsMaximized();
 886
 887         // decide which window style flags to turn off
 888         LONG newStyle = m_fsOldWindowStyle;
 889         LONG offFlags = 0;
 890
 891         if (style & wxFULLSCREEN_NOBORDER)
 892         {
 893             offFlags |= WS_BORDER;
 894 #ifndef __WXWINCE__
 895             offFlags |= WS_THICKFRAME;
 896 #endif
 897         }
 898         if (style & wxFULLSCREEN_NOCAPTION)
 899             offFlags |= WS_CAPTION | WS_SYSMENU;
 900
 901         newStyle &= ~offFlags;
 902
 903         // change our window style to be compatible with full-screen mode
 904         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 905
 906         wxRect rect;
 907 #if wxUSE_DISPLAY
 908         // resize to the size of the display containing us
 909         int dpy = wxDisplay::GetFromWindow(this);
 910         if ( dpy != wxNOT_FOUND )
 911         {
 912             rect = wxDisplay(dpy).GetGeometry();
 913         }
 914         else // fall back to the main desktop
 915 #endif // wxUSE_DISPLAY
 916         {
 917             // resize to the size of the desktop
 918             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 919 #ifdef __WXWINCE__
 920             // FIXME: size of the bottom menu (toolbar)
 921             // should be taken in account
 922             rect.height += rect.y;
 923             rect.y       = 0;
 924 #endif
 925         }
 926
 927         SetSize(rect);
 928
 929         // now flush the window style cache and actually go full-screen
 930         long flags = SWP_FRAMECHANGED;
 931
 932         // showing the frame full screen should also show it if it's still
 933         // hidden
 934         if ( !IsShown() )
 935         {
 936             // don't call wxWindow version to avoid flicker from calling
 937             // ::ShowWindow() -- we're going to show the window at the correct
 938             // location directly below -- but do call the wxWindowBase version
 939             // to sync the internal m_isShown flag
 940             wxWindowBase::Show();
 941
 942             flags |= SWP_SHOWWINDOW;
 943         }
 944
 945         SetWindowPos(GetHwnd(), HWND_TOP,
 946                      rect.x, rect.y, rect.width, rect.height,
 947                      flags);
 948
 949 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 950         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 951 #endif
 952
 953         // finally send an event allowing the window to relayout itself &c
 954         wxSizeEvent event(rect.GetSize(), GetId());
 955         HandleWindowEvent(event);
 956     }
 957     else // stop showing full screen
 958     {
 959 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 960         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 961 #endif
 962         Maximize(m_fsIsMaximized);
 963         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 964         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 965             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 966     }
 967
 968     return true;
 969 }
 970
 971 // ----------------------------------------------------------------------------
 972 // wxTopLevelWindowMSW misc
 973 // ----------------------------------------------------------------------------
 974
 975 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 976 {
 977     SetLabel(title);
 978 }
 979
 980 wxString wxTopLevelWindowMSW::GetTitle() const
 981 {
 982     return GetLabel();
 983 }
 984
 985 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
 986                                              int smX,
 987                                              int smY,
 988                                              int i)
 989 {
 990     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
 991
 992     const wxIcon icon = icons.GetIconOfExactSize(size);
 993     if ( icon.Ok() )
 994     {
 995         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
 996         return true;
 997     }
 998
 999     return false;
1000 }
1001
1002 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
1003 {
1004     wxTopLevelWindowBase::SetIcons(icons);
1005
1006     if ( icons.IsEmpty() )
1007     {
1008         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
1009         //        but we currently don't do that
1010         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
1011         return;
1012     }
1013
1014     if ( !DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL) &&
1015             !DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
1016     {
1017         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1018     }
1019 }
1020
1021 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1022 {
1023 #if !defined(__WXMICROWIN__)
1024     // get system (a.k.a. window) menu
1025     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1026     if ( !hmenu )
1027     {
1028         // no system menu at all -- ok if we want to remove the close button
1029         // anyhow, but bad if we want to show it
1030         return !enable;
1031     }
1032
1033     // enabling/disabling the close item from it also automatically
1034     // disables/enables the close title bar button
1035     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1036                           MF_BYCOMMAND |
1037                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1038     {
1039         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
1040
1041         return false;
1042     }
1043 #ifndef __WXWINCE__
1044     // update appearance immediately
1045     if ( !::DrawMenuBar(GetHwnd()) )
1046     {
1047         wxLogLastError(_T("DrawMenuBar"));
1048     }
1049 #endif
1050 #endif // !__WXMICROWIN__
1051
1052     return true;
1053 }
1054
1055 #ifndef __WXWINCE__
1056
1057 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1058 {
1059     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1060                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1061
1062     // The empty region signifies that the shape should be removed from the
1063     // window.
1064     if ( region.IsEmpty() )
1065     {
1066         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1067         {
1068             wxLogLastError(_T("SetWindowRgn"));
1069             return false;
1070         }
1071         return true;
1072     }
1073
1074     // Windows takes ownership of the region, so
1075     // we'll have to make a copy of the region to give to it.
1076     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1077     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1078     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1079     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1080     delete[] (char*) rgnData;
1081
1082     // SetWindowRgn expects the region to be in coordinants
1083     // relative to the window, not the client area.  Figure
1084     // out the offset, if any.
1085     RECT rect;
1086     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1087     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1088     ::GetClientRect(GetHwnd(), &rect);
1089     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
1090     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1091
1092     // Now call the shape API with the new region.
1093     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1094     {
1095         wxLogLastError(_T("SetWindowRgn"));
1096         return false;
1097     }
1098     return true;
1099 }
1100
1101 #endif // !__WXWINCE__
1102
1103 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1104 {
1105     // check if we can use FlashWindowEx(): unfortunately a simple test for
1106     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1107     // provide FlashWindowEx() declaration, so try to detect whether we have
1108     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1109     // declated in MSVC6 header
1110 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1111     // available in the headers, check if it is supported by the system
1112     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1113     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1114     if ( !s_pfnFlashWindowEx )
1115     {
1116         wxDynamicLibrary dllUser32(_T("user32.dll"));
1117         s_pfnFlashWindowEx = (FlashWindowEx_t)
1118                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1119
1120         // we can safely unload user32.dll here, it's going to remain loaded as
1121         // long as the program is running anyhow
1122     }
1123
1124     if ( s_pfnFlashWindowEx )
1125     {
1126         WinStruct<FLASHWINFO> fwi;
1127         fwi.hwnd = GetHwnd();
1128         fwi.dwFlags = FLASHW_ALL;
1129         if ( flags & wxUSER_ATTENTION_INFO )
1130         {
1131             // just flash a few times
1132             fwi.uCount = 3;
1133         }
1134         else // wxUSER_ATTENTION_ERROR
1135         {
1136             // flash until the user notices it
1137             fwi.dwFlags |= FLASHW_TIMERNOFG;
1138         }
1139
1140         s_pfnFlashWindowEx(&fwi);
1141     }
1142     else // FlashWindowEx() not available
1143 #endif // FlashWindowEx() defined
1144     {
1145         wxUnusedVar(flags);
1146 #ifndef __WXWINCE__
1147         ::FlashWindow(GetHwnd(), TRUE);
1148 #endif // __WXWINCE__
1149     }
1150 }
1151
1152 // ---------------------------------------------------------------------------
1153
1154 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1155 {
1156 #if wxUSE_DYNLIB_CLASS
1157     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1158     static PSETLAYEREDWINDOWATTR
1159         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1160
1161     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1162     {
1163         wxDynamicLibrary dllUser32(_T("user32.dll"));
1164
1165         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1166         // Windows 95: there is nothing the user can do about this anyhow
1167         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1168             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1169
1170         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1171         // anyhow so it won't be unloaded
1172     }
1173
1174     if ( !pSetLayeredWindowAttributes )
1175         return false;
1176 #endif // wxUSE_DYNLIB_CLASS
1177
1178     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1179
1180     // if setting alpha to fully opaque then turn off the layered style
1181     if (alpha == 255)
1182     {
1183         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1184         Refresh();
1185         return true;
1186     }
1187
1188 #if wxUSE_DYNLIB_CLASS
1189     // Otherwise, set the layered style if needed and set the alpha value
1190     if ((exstyle & WS_EX_LAYERED) == 0 )
1191         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1192
1193     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1194         return true;
1195 #endif // wxUSE_DYNLIB_CLASS
1196
1197     return false;
1198 }
1199
1200 bool wxTopLevelWindowMSW::CanSetTransparent()
1201 {
1202     // The API is available on win2k and above
1203
1204     static int os_type = -1;
1205     static int ver_major = -1;
1206
1207     if (os_type == -1)
1208         os_type = ::wxGetOsVersion(&ver_major);
1209
1210     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1211 }
1212
1213
1214 void wxTopLevelWindowMSW::DoFreeze()
1215 {
1216     // do nothing: freezing toplevel window causes paint and mouse events
1217     // to go through it any TLWs under it, so the best we can do is to freeze
1218     // all children -- and wxWindowBase::Freeze() does that
1219 }
1220
1221 void wxTopLevelWindowMSW::DoThaw()
1222 {
1223     // intentionally empty -- see DoFreeze()
1224 }
1225
1226
1227 // ----------------------------------------------------------------------------
1228 // wxTopLevelWindow event handling
1229 // ----------------------------------------------------------------------------
1230
1231 // Default activation behaviour - set the focus for the first child
1232 // subwindow found.
1233 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1234 {
1235     if ( event.GetActive() )
1236     {
1237         // restore focus to the child which was last focused unless we already
1238         // have it
1239         wxLogTrace(_T("focus"), _T("wxTLW %p activated."), m_hWnd);
1240
1241         wxWindow *winFocus = FindFocus();
1242         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1243         {
1244             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1245                                                 : NULL;
1246             if ( !parent )
1247             {
1248                 parent = this;
1249             }
1250
1251             wxSetFocusToChild(parent, &m_winLastFocused);
1252         }
1253     }
1254     else // deactivating
1255     {
1256         // remember the last focused child if it is our child
1257         m_winLastFocused = FindFocus();
1258
1259         if ( m_winLastFocused )
1260         {
1261             // let it know that it doesn't have focus any more
1262             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1263             // focus events if we call it explicitly.
1264             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1265
1266             // and don't remember it if it's a child from some other frame
1267             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1268             {
1269                 m_winLastFocused = NULL;
1270             }
1271         }
1272
1273         wxLogTrace(_T("focus"),
1274                    _T("wxTLW %p deactivated, last focused: %p."),
1275                    m_hWnd,
1276                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1277
1278         event.Skip();
1279     }
1280 }
1281
1282 // the DialogProc for all wxWidgets dialogs
1283 LONG APIENTRY _EXPORT
1284 wxDlgProc(HWND hDlg,
1285           UINT message,
1286           WPARAM WXUNUSED(wParam),
1287           LPARAM WXUNUSED(lParam))
1288 {
1289     switch ( message )
1290     {
1291         case WM_INITDIALOG:
1292         {
1293             // under CE, add a "Ok" button in the dialog title bar and make it full
1294             // screen
1295             //
1296             // TODO: find the window for this HWND, and take into account
1297             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1298             //
1299             // Standard SDK doesn't have aygshell.dll: see
1300             // include/wx/msw/wince/libraries.h
1301 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1302             SHINITDLGINFO shidi;
1303             shidi.dwMask = SHIDIM_FLAGS;
1304             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1305 #ifndef __SMARTPHONE__
1306                             | SHIDIF_DONEBUTTON
1307 #endif
1308                         ;
1309             shidi.hDlg = hDlg;
1310             SHInitDialog( &shidi );
1311 #else // no SHInitDialog()
1312             wxUnusedVar(hDlg);
1313 #endif
1314             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1315             // the first control in the dialog box, but as we set the focus
1316             // ourselves, we return FALSE for it as well
1317             return FALSE;
1318         }
1319     }
1320
1321     // for almost all messages, returning FALSE means that we didn't process
1322     // the message
1323     return FALSE;
1324 }
1325
1326 // ============================================================================
1327 // wxTLWHiddenParentModule implementation
1328 // ============================================================================
1329
1330 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1331
1332 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1333
1334 bool wxTLWHiddenParentModule::OnInit()
1335 {
1336     ms_hwnd = NULL;
1337     ms_className = NULL;
1338
1339     return true;
1340 }
1341
1342 void wxTLWHiddenParentModule::OnExit()
1343 {
1344     if ( ms_hwnd )
1345     {
1346         if ( !::DestroyWindow(ms_hwnd) )
1347         {
1348             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1349         }
1350
1351         ms_hwnd = NULL;
1352     }
1353
1354     if ( ms_className )
1355     {
1356         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1357         {
1358             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1359         }
1360
1361         ms_className = NULL;
1362     }
1363 }
1364
1365 /* static */
1366 HWND wxTLWHiddenParentModule::GetHWND()
1367 {
1368     if ( !ms_hwnd )
1369     {
1370         if ( !ms_className )
1371         {
1372             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1373
1374             WNDCLASS wndclass;
1375             wxZeroMemory(wndclass);
1376
1377             wndclass.lpfnWndProc   = DefWindowProc;
1378             wndclass.hInstance     = wxGetInstance();
1379             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1380
1381             if ( !::RegisterClass(&wndclass) )
1382             {
1383                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1384             }
1385             else
1386             {
1387                 ms_className = HIDDEN_PARENT_CLASS;
1388             }
1389         }
1390
1391         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1392                                  (HMENU)NULL, wxGetInstance(), NULL);
1393         if ( !ms_hwnd )
1394         {
1395             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1396         }
1397     }
1398
1399     return ms_hwnd;
1400 }