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 = (wxWindow *)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 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 603     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 604     delete info;
 605     m_activateInfo = NULL;
 606 #endif
 607
 608     // after destroying an owned window, Windows activates the next top level
 609     // window in Z order but it may be different from our owner (to reproduce
 610     // this simply Alt-TAB to another application and back before closing the
 611     // owned frame) whereas we always want to yield activation to our parent
 612     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 613     {
 614         wxWindow *parent = GetParent();
 615         if ( parent )
 616         {
 617             ::BringWindowToTop(GetHwndOf(parent));
 618         }
 619     }
 620 }
 621
 622 // ----------------------------------------------------------------------------
 623 // wxTopLevelWindowMSW showing
 624 // ----------------------------------------------------------------------------
 625
 626 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 627 {
 628     ::ShowWindow(GetHwnd(), nShowCmd);
 629
 630     m_iconized = nShowCmd == SW_MINIMIZE;
 631 }
 632
 633 bool wxTopLevelWindowMSW::Show(bool show)
 634 {
 635     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 636     if ( !wxWindowBase::Show(show) )
 637         return false;
 638
 639     int nShowCmd;
 640     if ( show )
 641     {
 642         if ( m_maximizeOnShow )
 643         {
 644             // show and maximize
 645             nShowCmd = SW_MAXIMIZE;
 646
 647             // This is necessary, or no window appears
 648 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 649             DoShowWindow(SW_SHOW);
 650 #endif
 651
 652             m_maximizeOnShow = false;
 653         }
 654         else // just show
 655         {
 656             // we shouldn't use SW_SHOW which also activates the window for
 657             // tool frames (as they shouldn't steal focus from the main window)
 658             // nor for the currently disabled windows as they would be enabled
 659             // as a side effect
 660             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 661                 nShowCmd = SW_SHOWNA;
 662             else
 663                 nShowCmd = SW_SHOW;
 664         }
 665     }
 666     else // hide
 667     {
 668         nShowCmd = SW_HIDE;
 669     }
 670
 671     DoShowWindow(nShowCmd);
 672
 673 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 674     // Addornments have to be added when the frame is the correct size
 675     wxFrame* frame = wxDynamicCast(this, wxFrame);
 676     if (frame && frame->GetMenuBar())
 677         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 678 #endif
 679
 680     // we only set pending size if we're maximized before being shown, now that
 681     // we're shown we don't need it any more (it is reset in size event handler
 682     // for child windows but we have to do it ourselves for this parent window)
 683     m_pendingSize = wxDefaultSize;
 684
 685     return true;
 686 }
 687
 688 // ----------------------------------------------------------------------------
 689 // wxTopLevelWindowMSW maximize/minimize
 690 // ----------------------------------------------------------------------------
 691
 692 void wxTopLevelWindowMSW::Maximize(bool maximize)
 693 {
 694     if ( IsShown() )
 695     {
 696         // just maximize it directly
 697         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 698     }
 699     else // hidden
 700     {
 701         // we can't maximize the hidden frame because it shows it as well,
 702         // so just remember that we should do it later in this case
 703         m_maximizeOnShow = maximize;
 704
 705         // after calling Maximize() the client code expects to get the frame
 706         // "real" size and doesn't want to know that, because of implementation
 707         // details, the frame isn't really maximized yet but will be only once
 708         // it's shown, so return our size as it will be then in this case
 709         if ( maximize )
 710         {
 711             // we must only change pending size here, and not call SetSize()
 712             // because otherwise Windows would think that this (full screen)
 713             // size is the natural size for the frame and so would use it when
 714             // the user clicks on "restore" title bar button instead of the
 715             // correct initial frame size
 716             //
 717             // NB: unfortunately we don't know which display we're on yet so we
 718             //     have to use the default one
 719             m_pendingSize = wxGetClientDisplayRect().GetSize();
 720         }
 721         //else: can't do anything in this case, we don't have the old size
 722     }
 723 }
 724
 725 bool wxTopLevelWindowMSW::IsMaximized() const
 726 {
 727     return IsAlwaysMaximized() ||
 728 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 729
 730            (::IsZoomed(GetHwnd()) != 0) ||
 731 #endif
 732            m_maximizeOnShow;
 733 }
 734
 735 void wxTopLevelWindowMSW::Iconize(bool iconize)
 736 {
 737     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 738 }
 739
 740 bool wxTopLevelWindowMSW::IsIconized() const
 741 {
 742 #ifdef __WXWINCE__
 743     return false;
 744 #else
 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     if ( !DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL) &&
 995             !DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
 996     {
 997         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
 998     }
 999 }
1000
1001 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1002 {
1003 #if !defined(__WXMICROWIN__)
1004     // get system (a.k.a. window) menu
1005     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1006     if ( !hmenu )
1007     {
1008         // no system menu at all -- ok if we want to remove the close button
1009         // anyhow, but bad if we want to show it
1010         return !enable;
1011     }
1012
1013     // enabling/disabling the close item from it also automatically
1014     // disables/enables the close title bar button
1015     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1016                           MF_BYCOMMAND |
1017                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1018     {
1019         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
1020
1021         return false;
1022     }
1023 #ifndef __WXWINCE__
1024     // update appearance immediately
1025     if ( !::DrawMenuBar(GetHwnd()) )
1026     {
1027         wxLogLastError(_T("DrawMenuBar"));
1028     }
1029 #endif
1030 #endif // !__WXMICROWIN__
1031
1032     return true;
1033 }
1034
1035 #ifndef __WXWINCE__
1036
1037 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1038 {
1039     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1040                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1041
1042     // The empty region signifies that the shape should be removed from the
1043     // window.
1044     if ( region.IsEmpty() )
1045     {
1046         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1047         {
1048             wxLogLastError(_T("SetWindowRgn"));
1049             return false;
1050         }
1051         return true;
1052     }
1053
1054     // Windows takes ownership of the region, so
1055     // we'll have to make a copy of the region to give to it.
1056     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1057     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1058     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1059     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1060     delete[] (char*) rgnData;
1061
1062     // SetWindowRgn expects the region to be in coordinants
1063     // relative to the window, not the client area.  Figure
1064     // out the offset, if any.
1065     RECT rect;
1066     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1067     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1068     ::GetClientRect(GetHwnd(), &rect);
1069     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
1070     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1071
1072     // Now call the shape API with the new region.
1073     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1074     {
1075         wxLogLastError(_T("SetWindowRgn"));
1076         return false;
1077     }
1078     return true;
1079 }
1080
1081 #endif // !__WXWINCE__
1082
1083 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1084 {
1085     // check if we can use FlashWindowEx(): unfortunately a simple test for
1086     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1087     // provide FlashWindowEx() declaration, so try to detect whether we have
1088     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1089     // declated in MSVC6 header
1090 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1091     // available in the headers, check if it is supported by the system
1092     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1093     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1094     if ( !s_pfnFlashWindowEx )
1095     {
1096         wxDynamicLibrary dllUser32(_T("user32.dll"));
1097         s_pfnFlashWindowEx = (FlashWindowEx_t)
1098                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1099
1100         // we can safely unload user32.dll here, it's going to remain loaded as
1101         // long as the program is running anyhow
1102     }
1103
1104     if ( s_pfnFlashWindowEx )
1105     {
1106         WinStruct<FLASHWINFO> fwi;
1107         fwi.hwnd = GetHwnd();
1108         fwi.dwFlags = FLASHW_ALL;
1109         if ( flags & wxUSER_ATTENTION_INFO )
1110         {
1111             // just flash a few times
1112             fwi.uCount = 3;
1113         }
1114         else // wxUSER_ATTENTION_ERROR
1115         {
1116             // flash until the user notices it
1117             fwi.dwFlags |= FLASHW_TIMERNOFG;
1118         }
1119
1120         s_pfnFlashWindowEx(&fwi);
1121     }
1122     else // FlashWindowEx() not available
1123 #endif // FlashWindowEx() defined
1124     {
1125         wxUnusedVar(flags);
1126 #ifndef __WXWINCE__
1127         ::FlashWindow(GetHwnd(), TRUE);
1128 #endif // __WXWINCE__
1129     }
1130 }
1131
1132 // ---------------------------------------------------------------------------
1133
1134 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1135 {
1136 #if wxUSE_DYNLIB_CLASS
1137     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1138     static PSETLAYEREDWINDOWATTR
1139         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1140
1141     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1142     {
1143         wxDynamicLibrary dllUser32(_T("user32.dll"));
1144
1145         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1146         // Windows 95: there is nothing the user can do about this anyhow
1147         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1148             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1149
1150         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1151         // anyhow so it won't be unloaded
1152     }
1153
1154     if ( !pSetLayeredWindowAttributes )
1155         return false;
1156 #endif // wxUSE_DYNLIB_CLASS
1157
1158     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1159
1160     // if setting alpha to fully opaque then turn off the layered style
1161     if (alpha == 255)
1162     {
1163         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1164         Refresh();
1165         return true;
1166     }
1167
1168 #if wxUSE_DYNLIB_CLASS
1169     // Otherwise, set the layered style if needed and set the alpha value
1170     if ((exstyle & WS_EX_LAYERED) == 0 )
1171         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1172
1173     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1174         return true;
1175 #endif // wxUSE_DYNLIB_CLASS
1176
1177     return false;
1178 }
1179
1180 bool wxTopLevelWindowMSW::CanSetTransparent()
1181 {
1182     // The API is available on win2k and above
1183
1184     static int os_type = -1;
1185     static int ver_major = -1;
1186
1187     if (os_type == -1)
1188         os_type = ::wxGetOsVersion(&ver_major);
1189
1190     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1191 }
1192
1193
1194 void wxTopLevelWindowMSW::DoFreeze()
1195 {
1196     // do nothing: freezing toplevel window causes paint and mouse events
1197     // to go through it any TLWs under it, so the best we can do is to freeze
1198     // all children -- and wxWindowBase::Freeze() does that
1199 }
1200
1201 void wxTopLevelWindowMSW::DoThaw()
1202 {
1203     // intentionally empty -- see DoFreeze()
1204 }
1205
1206
1207 // ----------------------------------------------------------------------------
1208 // wxTopLevelWindow event handling
1209 // ----------------------------------------------------------------------------
1210
1211 // Default activation behaviour - set the focus for the first child
1212 // subwindow found.
1213 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1214 {
1215     if ( event.GetActive() )
1216     {
1217         // restore focus to the child which was last focused unless we already
1218         // have it
1219         wxLogTrace(_T("focus"), _T("wxTLW %p activated."), m_hWnd);
1220
1221         wxWindow *winFocus = FindFocus();
1222         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1223         {
1224             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1225                                                 : NULL;
1226             if ( !parent )
1227             {
1228                 parent = this;
1229             }
1230
1231             wxSetFocusToChild(parent, &m_winLastFocused);
1232         }
1233     }
1234     else // deactivating
1235     {
1236         // remember the last focused child if it is our child
1237         m_winLastFocused = FindFocus();
1238
1239         if ( m_winLastFocused )
1240         {
1241             // let it know that it doesn't have focus any more
1242             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1243             // focus events if we call it explicitly.
1244             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1245
1246             // and don't remember it if it's a child from some other frame
1247             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1248             {
1249                 m_winLastFocused = NULL;
1250             }
1251         }
1252
1253         wxLogTrace(_T("focus"),
1254                    _T("wxTLW %p deactivated, last focused: %p."),
1255                    m_hWnd,
1256                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1257
1258         event.Skip();
1259     }
1260 }
1261
1262 // the DialogProc for all wxWidgets dialogs
1263 LONG APIENTRY _EXPORT
1264 wxDlgProc(HWND hDlg,
1265           UINT message,
1266           WPARAM WXUNUSED(wParam),
1267           LPARAM WXUNUSED(lParam))
1268 {
1269     switch ( message )
1270     {
1271         case WM_INITDIALOG:
1272         {
1273             // under CE, add a "Ok" button in the dialog title bar and make it full
1274             // screen
1275             //
1276             // TODO: find the window for this HWND, and take into account
1277             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1278             //
1279             // Standard SDK doesn't have aygshell.dll: see
1280             // include/wx/msw/wince/libraries.h
1281 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1282             SHINITDLGINFO shidi;
1283             shidi.dwMask = SHIDIM_FLAGS;
1284             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1285 #ifndef __SMARTPHONE__
1286                             | SHIDIF_DONEBUTTON
1287 #endif
1288                         ;
1289             shidi.hDlg = hDlg;
1290             SHInitDialog( &shidi );
1291 #else // no SHInitDialog()
1292             wxUnusedVar(hDlg);
1293 #endif
1294             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1295             // the first control in the dialog box, but as we set the focus
1296             // ourselves, we return FALSE for it as well
1297             return FALSE;
1298         }
1299     }
1300
1301     // for almost all messages, returning FALSE means that we didn't process
1302     // the message
1303     return FALSE;
1304 }
1305
1306 // ============================================================================
1307 // wxTLWHiddenParentModule implementation
1308 // ============================================================================
1309
1310 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1311
1312 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1313
1314 bool wxTLWHiddenParentModule::OnInit()
1315 {
1316     ms_hwnd = NULL;
1317     ms_className = NULL;
1318
1319     return true;
1320 }
1321
1322 void wxTLWHiddenParentModule::OnExit()
1323 {
1324     if ( ms_hwnd )
1325     {
1326         if ( !::DestroyWindow(ms_hwnd) )
1327         {
1328             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1329         }
1330
1331         ms_hwnd = NULL;
1332     }
1333
1334     if ( ms_className )
1335     {
1336         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1337         {
1338             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1339         }
1340
1341         ms_className = NULL;
1342     }
1343 }
1344
1345 /* static */
1346 HWND wxTLWHiddenParentModule::GetHWND()
1347 {
1348     if ( !ms_hwnd )
1349     {
1350         if ( !ms_className )
1351         {
1352             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1353
1354             WNDCLASS wndclass;
1355             wxZeroMemory(wndclass);
1356
1357             wndclass.lpfnWndProc   = DefWindowProc;
1358             wndclass.hInstance     = wxGetInstance();
1359             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1360
1361             if ( !::RegisterClass(&wndclass) )
1362             {
1363                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1364             }
1365             else
1366             {
1367                 ms_className = HIDDEN_PARENT_CLASS;
1368             }
1369         }
1370
1371         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1372                                  (HMENU)NULL, wxGetInstance(), NULL);
1373         if ( !ms_hwnd )
1374         {
1375             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1376         }
1377     }
1378
1379     return ms_hwnd;
1380 }