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