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( wxT("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 292         }
 293         else
 294         {
 295             hwndParent = GetHwndOf(parent);
 296         }
 297     }
 298     //else: don't float on parent, must not be owned
 299
 300     // now deal with the 2nd taskbar-related problem (see comments above in
 301     // MSWGetStyle())
 302     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 303     {
 304         // use hidden parent
 305         hwndParent = wxTLWHiddenParentModule::GetHWND();
 306     }
 307
 308     return (WXHWND)hwndParent;
 309 }
 310
 311 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 312 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 313 {
 314     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 315     if ( info )
 316     {
 317         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 318     }
 319
 320     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 321 }
 322 #endif
 323
 324 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 325 {
 326     WXLRESULT rc = 0;
 327     bool processed = false;
 328
 329 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 330     switch ( message )
 331     {
 332         case WM_ACTIVATE:
 333         {
 334             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 335             if (info)
 336             {
 337                 DWORD flags = 0;
 338                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 339                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 340             }
 341
 342             // This implicitly sends a wxEVT_ACTIVATE_APP event
 343             if (wxTheApp)
 344                 wxTheApp->SetActive(wParam != 0, FindFocus());
 345
 346             break;
 347         }
 348         case WM_HIBERNATE:
 349         {
 350             if (wxTheApp)
 351             {
 352                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 353                 event.SetEventObject(wxTheApp);
 354                 processed = wxTheApp->ProcessEvent(event);
 355             }
 356             break;
 357         }
 358     }
 359 #endif
 360
 361     if ( !processed )
 362         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 363
 364     return rc;
 365 }
 366
 367 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 368                                        const wxString& title,
 369                                        const wxPoint& pos,
 370                                        const wxSize& size)
 371 {
 372 #ifdef __WXMICROWIN__
 373     // no dialogs support under MicroWin yet
 374     return CreateFrame(title, pos, size);
 375 #else // !__WXMICROWIN__
 376     // static cast is valid as we're only ever called for dialogs
 377     wxWindow * const
 378         parent = static_cast<wxDialog *>(this)->
 379                     GetParentForModalDialog(GetParent());
 380
 381     m_hWnd = (WXHWND)::CreateDialogIndirect
 382                        (
 383                         wxGetInstance(),
 384                         (DLGTEMPLATE*)dlgTemplate,
 385                         parent ? GetHwndOf(parent) : NULL,
 386                         (DLGPROC)wxDlgProc
 387                        );
 388
 389     if ( !m_hWnd )
 390     {
 391         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 392
 393         wxLogSysError(wxT("Can't create dialog using memory template"));
 394
 395         return false;
 396     }
 397
 398 #if !defined(__WXWINCE__)
 399     // For some reason, the system menu is activated when we use the
 400     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 401     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 402     {
 403         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 404         if ( winTop )
 405         {
 406             wxIcon icon = winTop->GetIcon();
 407             if ( icon.Ok() )
 408             {
 409                 ::SendMessage(GetHwnd(), WM_SETICON,
 410                               (WPARAM)TRUE,
 411                               (LPARAM)GetHiconOf(icon));
 412             }
 413         }
 414     }
 415 #endif // !__WXWINCE__
 416
 417     // move the dialog to its initial position without forcing repainting
 418     int x, y, w, h;
 419     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 420
 421     if ( x == (int)CW_USEDEFAULT )
 422     {
 423         // centre it on the screen - what else can we do?
 424         wxSize sizeDpy = wxGetDisplaySize();
 425
 426         x = (sizeDpy.x - w) / 2;
 427         y = (sizeDpy.y - h) / 2;
 428     }
 429
 430 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 431     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 432     {
 433         wxLogLastError(wxT("MoveWindow"));
 434     }
 435 #endif
 436
 437     if ( !title.empty() )
 438     {
 439         ::SetWindowText(GetHwnd(), title.wx_str());
 440     }
 441
 442     SubclassWin(m_hWnd);
 443
 444 #ifdef __SMARTPHONE__
 445     // Work around title non-display glitch
 446     Show(false);
 447 #endif
 448
 449     return true;
 450 #endif // __WXMICROWIN__/!__WXMICROWIN__
 451 }
 452
 453 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 454                                       const wxPoint& pos,
 455                                       const wxSize& size)
 456 {
 457     WXDWORD exflags;
 458     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 459
 460     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 461
 462 #ifndef __WXWINCE__
 463     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 464         exflags |= WS_EX_LAYOUTRTL;
 465 #endif
 466
 467     return MSWCreate(MSWGetRegisteredClassName(),
 468                      title.wx_str(), pos, sz, flags, exflags);
 469 }
 470
 471 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 472                                  wxWindowID id,
 473                                  const wxString& title,
 474                                  const wxPoint& pos,
 475                                  const wxSize& size,
 476                                  long style,
 477                                  const wxString& name)
 478 {
 479     bool ret wxDUMMY_INITIALIZE(false);
 480
 481     wxSize sizeReal = size;
 482     if ( !sizeReal.IsFullySpecified() )
 483     {
 484         sizeReal.SetDefaults(GetDefaultSize());
 485     }
 486
 487     m_windowStyle = style;
 488
 489     SetName(name);
 490
 491     m_windowId = id == wxID_ANY ? NewControlId() : id;
 492
 493     wxTopLevelWindows.Append(this);
 494
 495     if ( parent )
 496         parent->AddChild(this);
 497
 498     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 499     {
 500         // we have different dialog templates to allows creation of dialogs
 501         // with & without captions under MSWindows, resizeable or not (but a
 502         // resizeable dialog always has caption - otherwise it would look too
 503         // strange)
 504
 505         // we need 3 additional WORDs for dialog menu, class and title (as we
 506         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 507         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 508         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 509         memset(dlgTemplate, 0, dlgsize);
 510
 511         // these values are arbitrary, they won't be used normally anyhow
 512         dlgTemplate->x  = 34;
 513         dlgTemplate->y  = 22;
 514         dlgTemplate->cx = 144;
 515         dlgTemplate->cy = 75;
 516
 517         // reuse the code in MSWGetStyle() but correct the results slightly for
 518         // the dialog
 519         //
 520         // NB: we need a temporary variable as we can't pass pointer to
 521         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 522         //     architectures
 523         WXDWORD dwExtendedStyle;
 524         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 525         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 526
 527         // all dialogs are popups
 528         dlgTemplate->style |= WS_POPUP;
 529
 530 #ifndef __WXWINCE__
 531         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 532         {
 533             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 534         }
 535
 536         // force 3D-look if necessary, it looks impossibly ugly otherwise
 537         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 538             dlgTemplate->style |= DS_MODALFRAME;
 539 #endif
 540
 541         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 542         free(dlgTemplate);
 543     }
 544     else // !dialog
 545     {
 546         ret = CreateFrame(title, pos, sizeReal);
 547     }
 548
 549 #ifndef __WXWINCE__
 550     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 551     {
 552         EnableCloseButton(false);
 553     }
 554 #endif
 555
 556     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 557     // itself but for custom windows we have to do it ourselves in order to
 558     // make the keyboard indicators (such as underlines for accelerators and
 559     // focus rectangles) work under Win2k+
 560     if ( ret )
 561     {
 562         MSWUpdateUIState(UIS_INITIALIZE);
 563     }
 564
 565     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 566     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 567 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 568     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 569     {
 570         this->Maximize();
 571     }
 572 #endif
 573
 574 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 575     SetRightMenu(); // to nothing for initialization
 576 #endif
 577
 578     return ret;
 579 }
 580
 581 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 582 {
 583     SendDestroyEvent();
 584
 585 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 586     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 587     delete info;
 588     m_activateInfo = NULL;
 589 #endif
 590
 591     // after destroying an owned window, Windows activates the next top level
 592     // window in Z order but it may be different from our owner (to reproduce
 593     // this simply Alt-TAB to another application and back before closing the
 594     // owned frame) whereas we always want to yield activation to our parent
 595     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 596     {
 597         wxWindow *parent = GetParent();
 598         if ( parent )
 599         {
 600             ::BringWindowToTop(GetHwndOf(parent));
 601         }
 602     }
 603 }
 604
 605 // ----------------------------------------------------------------------------
 606 // wxTopLevelWindowMSW showing
 607 // ----------------------------------------------------------------------------
 608
 609 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 610 {
 611     ::ShowWindow(GetHwnd(), nShowCmd);
 612
 613     m_iconized = nShowCmd == SW_MINIMIZE;
 614 }
 615
 616 bool wxTopLevelWindowMSW::Show(bool show)
 617 {
 618     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 619     if ( !wxWindowBase::Show(show) )
 620         return false;
 621
 622     int nShowCmd;
 623     if ( show )
 624     {
 625         if ( m_maximizeOnShow )
 626         {
 627             // show and maximize
 628             nShowCmd = SW_MAXIMIZE;
 629
 630             // This is necessary, or no window appears
 631 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 632             DoShowWindow(SW_SHOW);
 633 #endif
 634
 635             m_maximizeOnShow = false;
 636         }
 637         else if ( m_iconized )
 638         {
 639             // iconize and show
 640             nShowCmd = SW_MINIMIZE;
 641         }
 642         else // just show
 643         {
 644             // we shouldn't use SW_SHOW which also activates the window for
 645             // tool frames (as they shouldn't steal focus from the main window)
 646             // nor for the currently disabled windows as they would be enabled
 647             // as a side effect
 648             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 649                 nShowCmd = SW_SHOWNA;
 650             else
 651                 nShowCmd = SW_SHOW;
 652         }
 653     }
 654     else // hide
 655     {
 656         nShowCmd = SW_HIDE;
 657     }
 658
 659     DoShowWindow(nShowCmd);
 660
 661 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 662     // Addornments have to be added when the frame is the correct size
 663     wxFrame* frame = wxDynamicCast(this, wxFrame);
 664     if (frame && frame->GetMenuBar())
 665         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 666 #endif
 667
 668     // we only set pending size if we're maximized before being shown, now that
 669     // we're shown we don't need it any more (it is reset in size event handler
 670     // for child windows but we have to do it ourselves for this parent window)
 671     m_pendingSize = wxDefaultSize;
 672
 673     return true;
 674 }
 675
 676 // ----------------------------------------------------------------------------
 677 // wxTopLevelWindowMSW maximize/minimize
 678 // ----------------------------------------------------------------------------
 679
 680 void wxTopLevelWindowMSW::Maximize(bool maximize)
 681 {
 682     if ( IsShown() )
 683     {
 684         // just maximize it directly
 685         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 686     }
 687     else // hidden
 688     {
 689         // we can't maximize the hidden frame because it shows it as well,
 690         // so just remember that we should do it later in this case
 691         m_maximizeOnShow = maximize;
 692
 693         // after calling Maximize() the client code expects to get the frame
 694         // "real" size and doesn't want to know that, because of implementation
 695         // details, the frame isn't really maximized yet but will be only once
 696         // it's shown, so return our size as it will be then in this case
 697         if ( maximize )
 698         {
 699             // we must only change pending size here, and not call SetSize()
 700             // because otherwise Windows would think that this (full screen)
 701             // size is the natural size for the frame and so would use it when
 702             // the user clicks on "restore" title bar button instead of the
 703             // correct initial frame size
 704             //
 705             // NB: unfortunately we don't know which display we're on yet so we
 706             //     have to use the default one
 707             m_pendingSize = wxGetClientDisplayRect().GetSize();
 708         }
 709         //else: can't do anything in this case, we don't have the old size
 710     }
 711 }
 712
 713 bool wxTopLevelWindowMSW::IsMaximized() const
 714 {
 715     return IsAlwaysMaximized() ||
 716 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 717
 718            (::IsZoomed(GetHwnd()) != 0) ||
 719 #endif
 720            m_maximizeOnShow;
 721 }
 722
 723 void wxTopLevelWindowMSW::Iconize(bool iconize)
 724 {
 725     if ( IsShown() )
 726     {
 727         // change the window state immediately
 728         DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 729     }
 730     else // hidden
 731     {
 732         // iconizing the window shouldn't show it so just remember that we need
 733         // to become iconized when shown later
 734         m_iconized = true;
 735     }
 736 }
 737
 738 bool wxTopLevelWindowMSW::IsIconized() const
 739 {
 740 #ifdef __WXWINCE__
 741     return false;
 742 #else
 743     if ( !IsShown() )
 744         return m_iconized;
 745
 746     // don't use m_iconized, it may be briefly out of sync with the real state
 747     // as it's only modified when we receive a WM_SIZE and we could be called
 748     // from an event handler from one of the messages we receive before it,
 749     // such as WM_MOVE
 750     return ::IsIconic(GetHwnd()) != 0;
 751 #endif
 752 }
 753
 754 void wxTopLevelWindowMSW::Restore()
 755 {
 756     DoShowWindow(SW_RESTORE);
 757 }
 758
 759 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 760 {
 761     if ( dir == wxLayout_Default )
 762         dir = wxTheApp->GetLayoutDirection();
 763
 764     if ( dir != wxLayout_Default )
 765         wxTopLevelWindowBase::SetLayoutDirection(dir);
 766 }
 767
 768 // ----------------------------------------------------------------------------
 769 // wxTopLevelWindowMSW geometry
 770 // ----------------------------------------------------------------------------
 771
 772 #ifndef __WXWINCE__
 773
 774 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 775 {
 776     if ( IsIconized() )
 777     {
 778         WINDOWPLACEMENT wp;
 779         wp.length = sizeof(WINDOWPLACEMENT);
 780         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 781         {
 782             RECT& rc = wp.rcNormalPosition;
 783
 784             // the position returned by GetWindowPlacement() is in workspace
 785             // coordinates except for windows with WS_EX_TOOLWINDOW style
 786             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 787             {
 788                 // we must use the correct display for the translation as the
 789                 // task bar might be shown on one display but not the other one
 790                 int n = wxDisplay::GetFromWindow(this);
 791                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 792                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 793                                       dpy.GetGeometry().GetPosition();
 794
 795                 rc.left += ptOfs.x;
 796                 rc.top += ptOfs.y;
 797             }
 798
 799             if ( x )
 800                 *x = rc.left;
 801             if ( y )
 802                 *y = rc.top;
 803
 804             return;
 805         }
 806
 807         wxLogLastError(wxT("GetWindowPlacement"));
 808     }
 809     //else: normal case
 810
 811     wxTopLevelWindowBase::DoGetPosition(x, y);
 812 }
 813
 814 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 815 {
 816     if ( IsIconized() )
 817     {
 818         WINDOWPLACEMENT wp;
 819         wp.length = sizeof(WINDOWPLACEMENT);
 820         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 821         {
 822             const RECT& rc = wp.rcNormalPosition;
 823
 824             if ( width )
 825                 *width = rc.right - rc.left;
 826             if ( height )
 827                 *height = rc.bottom - rc.top;
 828
 829             return;
 830         }
 831
 832         wxLogLastError(wxT("GetWindowPlacement"));
 833     }
 834     //else: normal case
 835
 836     wxTopLevelWindowBase::DoGetSize(width, height);
 837 }
 838
 839 #endif // __WXWINCE__
 840
 841 // ----------------------------------------------------------------------------
 842 // wxTopLevelWindowMSW fullscreen
 843 // ----------------------------------------------------------------------------
 844
 845 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 846 {
 847     if ( show == IsFullScreen() )
 848     {
 849         // nothing to do
 850         return true;
 851     }
 852
 853     m_fsIsShowing = show;
 854
 855     if ( show )
 856     {
 857         m_fsStyle = style;
 858
 859         // zap the frame borders
 860
 861         // save the 'normal' window style
 862         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 863
 864         // save the old position, width & height, maximize state
 865         m_fsOldSize = GetRect();
 866         m_fsIsMaximized = IsMaximized();
 867
 868         // decide which window style flags to turn off
 869         LONG newStyle = m_fsOldWindowStyle;
 870         LONG offFlags = 0;
 871
 872         if (style & wxFULLSCREEN_NOBORDER)
 873         {
 874             offFlags |= WS_BORDER;
 875 #ifndef __WXWINCE__
 876             offFlags |= WS_THICKFRAME;
 877 #endif
 878         }
 879         if (style & wxFULLSCREEN_NOCAPTION)
 880             offFlags |= WS_CAPTION | WS_SYSMENU;
 881
 882         newStyle &= ~offFlags;
 883
 884         // change our window style to be compatible with full-screen mode
 885         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 886
 887         wxRect rect;
 888 #if wxUSE_DISPLAY
 889         // resize to the size of the display containing us
 890         int dpy = wxDisplay::GetFromWindow(this);
 891         if ( dpy != wxNOT_FOUND )
 892         {
 893             rect = wxDisplay(dpy).GetGeometry();
 894         }
 895         else // fall back to the main desktop
 896 #endif // wxUSE_DISPLAY
 897         {
 898             // resize to the size of the desktop
 899             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 900 #ifdef __WXWINCE__
 901             // FIXME: size of the bottom menu (toolbar)
 902             // should be taken in account
 903             rect.height += rect.y;
 904             rect.y       = 0;
 905 #endif
 906         }
 907
 908         SetSize(rect);
 909
 910         // now flush the window style cache and actually go full-screen
 911         long flags = SWP_FRAMECHANGED;
 912
 913         // showing the frame full screen should also show it if it's still
 914         // hidden
 915         if ( !IsShown() )
 916         {
 917             // don't call wxWindow version to avoid flicker from calling
 918             // ::ShowWindow() -- we're going to show the window at the correct
 919             // location directly below -- but do call the wxWindowBase version
 920             // to sync the internal m_isShown flag
 921             wxWindowBase::Show();
 922
 923             flags |= SWP_SHOWWINDOW;
 924         }
 925
 926         SetWindowPos(GetHwnd(), HWND_TOP,
 927                      rect.x, rect.y, rect.width, rect.height,
 928                      flags);
 929
 930 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 931         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 932 #endif
 933
 934         // finally send an event allowing the window to relayout itself &c
 935         wxSizeEvent event(rect.GetSize(), GetId());
 936         HandleWindowEvent(event);
 937     }
 938     else // stop showing full screen
 939     {
 940 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 941         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 942 #endif
 943         Maximize(m_fsIsMaximized);
 944         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 945         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 946             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 947     }
 948
 949     return true;
 950 }
 951
 952 // ----------------------------------------------------------------------------
 953 // wxTopLevelWindowMSW misc
 954 // ----------------------------------------------------------------------------
 955
 956 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 957 {
 958     SetLabel(title);
 959 }
 960
 961 wxString wxTopLevelWindowMSW::GetTitle() const
 962 {
 963     return GetLabel();
 964 }
 965
 966 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
 967                                              int smX,
 968                                              int smY,
 969                                              int i)
 970 {
 971     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
 972
 973     const wxIcon icon = icons.GetIconOfExactSize(size);
 974     if ( icon.Ok() )
 975     {
 976         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
 977         return true;
 978     }
 979
 980     return false;
 981 }
 982
 983 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 984 {
 985     wxTopLevelWindowBase::SetIcons(icons);
 986
 987     if ( icons.IsEmpty() )
 988     {
 989         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
 990         //        but we currently don't do that
 991         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
 992         return;
 993     }
 994
 995     bool anySet =
 996         DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
 997     if ( DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
 998         anySet = true;
 999
1000     if ( !anySet )
1001     {
1002         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1003     }
1004 }
1005
1006 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1007 {
1008 #if !defined(__WXMICROWIN__)
1009     // get system (a.k.a. window) menu
1010     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1011     if ( !hmenu )
1012     {
1013         // no system menu at all -- ok if we want to remove the close button
1014         // anyhow, but bad if we want to show it
1015         return !enable;
1016     }
1017
1018     // enabling/disabling the close item from it also automatically
1019     // disables/enables the close title bar button
1020     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1021                           MF_BYCOMMAND |
1022                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1023     {
1024         wxLogLastError(wxT("EnableMenuItem(SC_CLOSE)"));
1025
1026         return false;
1027     }
1028 #ifndef __WXWINCE__
1029     // update appearance immediately
1030     if ( !::DrawMenuBar(GetHwnd()) )
1031     {
1032         wxLogLastError(wxT("DrawMenuBar"));
1033     }
1034 #endif
1035 #endif // !__WXMICROWIN__
1036
1037     return true;
1038 }
1039
1040 #ifndef __WXWINCE__
1041
1042 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1043 {
1044     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1045                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1046
1047     // The empty region signifies that the shape should be removed from the
1048     // window.
1049     if ( region.IsEmpty() )
1050     {
1051         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1052         {
1053             wxLogLastError(wxT("SetWindowRgn"));
1054             return false;
1055         }
1056         return true;
1057     }
1058
1059     // Windows takes ownership of the region, so
1060     // we'll have to make a copy of the region to give to it.
1061     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1062     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1063     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1064     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1065     delete[] (char*) rgnData;
1066
1067     // SetWindowRgn expects the region to be in coordinants
1068     // relative to the window, not the client area.  Figure
1069     // out the offset, if any.
1070     RECT rect;
1071     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1072     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1073     ::GetClientRect(GetHwnd(), &rect);
1074     ::AdjustWindowRectEx(&rect, dwStyle, ::GetMenu(GetHwnd()) != NULL, dwExStyle);
1075     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1076
1077     // Now call the shape API with the new region.
1078     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1079     {
1080         wxLogLastError(wxT("SetWindowRgn"));
1081         return false;
1082     }
1083     return true;
1084 }
1085
1086 #endif // !__WXWINCE__
1087
1088 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1089 {
1090     // check if we can use FlashWindowEx(): unfortunately a simple test for
1091     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1092     // provide FlashWindowEx() declaration, so try to detect whether we have
1093     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1094     // declated in MSVC6 header
1095 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1096     // available in the headers, check if it is supported by the system
1097     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1098     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1099     if ( !s_pfnFlashWindowEx )
1100     {
1101         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1102         s_pfnFlashWindowEx = (FlashWindowEx_t)
1103                                 dllUser32.GetSymbol(wxT("FlashWindowEx"));
1104
1105         // we can safely unload user32.dll here, it's going to remain loaded as
1106         // long as the program is running anyhow
1107     }
1108
1109     if ( s_pfnFlashWindowEx )
1110     {
1111         WinStruct<FLASHWINFO> fwi;
1112         fwi.hwnd = GetHwnd();
1113         fwi.dwFlags = FLASHW_ALL;
1114         if ( flags & wxUSER_ATTENTION_INFO )
1115         {
1116             // just flash a few times
1117             fwi.uCount = 3;
1118         }
1119         else // wxUSER_ATTENTION_ERROR
1120         {
1121             // flash until the user notices it
1122             fwi.dwFlags |= FLASHW_TIMERNOFG;
1123         }
1124
1125         s_pfnFlashWindowEx(&fwi);
1126     }
1127     else // FlashWindowEx() not available
1128 #endif // FlashWindowEx() defined
1129     {
1130         wxUnusedVar(flags);
1131 #ifndef __WXWINCE__
1132         ::FlashWindow(GetHwnd(), TRUE);
1133 #endif // __WXWINCE__
1134     }
1135 }
1136
1137 // ---------------------------------------------------------------------------
1138
1139 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1140 {
1141 #if wxUSE_DYNLIB_CLASS
1142     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1143     static PSETLAYEREDWINDOWATTR
1144         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1145
1146     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1147     {
1148         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1149
1150         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1151         // Windows 95: there is nothing the user can do about this anyhow
1152         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1153             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1154
1155         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1156         // anyhow so it won't be unloaded
1157     }
1158
1159     if ( !pSetLayeredWindowAttributes )
1160         return false;
1161 #endif // wxUSE_DYNLIB_CLASS
1162
1163     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1164
1165     // if setting alpha to fully opaque then turn off the layered style
1166     if (alpha == 255)
1167     {
1168         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1169         Refresh();
1170         return true;
1171     }
1172
1173 #if wxUSE_DYNLIB_CLASS
1174     // Otherwise, set the layered style if needed and set the alpha value
1175     if ((exstyle & WS_EX_LAYERED) == 0 )
1176         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1177
1178     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1179         return true;
1180 #endif // wxUSE_DYNLIB_CLASS
1181
1182     return false;
1183 }
1184
1185 bool wxTopLevelWindowMSW::CanSetTransparent()
1186 {
1187     // The API is available on win2k and above
1188
1189     static int os_type = -1;
1190     static int ver_major = -1;
1191
1192     if (os_type == -1)
1193         os_type = ::wxGetOsVersion(&ver_major);
1194
1195     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1196 }
1197
1198
1199 void wxTopLevelWindowMSW::DoFreeze()
1200 {
1201     // do nothing: freezing toplevel window causes paint and mouse events
1202     // to go through it any TLWs under it, so the best we can do is to freeze
1203     // all children -- and wxWindowBase::Freeze() does that
1204 }
1205
1206 void wxTopLevelWindowMSW::DoThaw()
1207 {
1208     // intentionally empty -- see DoFreeze()
1209 }
1210
1211
1212 // ----------------------------------------------------------------------------
1213 // wxTopLevelWindow event handling
1214 // ----------------------------------------------------------------------------
1215
1216 // Default activation behaviour - set the focus for the first child
1217 // subwindow found.
1218 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1219 {
1220     if ( event.GetActive() )
1221     {
1222         // restore focus to the child which was last focused unless we already
1223         // have it
1224         wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
1225
1226         wxWindow *winFocus = FindFocus();
1227         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1228         {
1229             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1230                                                 : NULL;
1231             if ( !parent )
1232             {
1233                 parent = this;
1234             }
1235
1236             wxSetFocusToChild(parent, &m_winLastFocused);
1237         }
1238     }
1239     else // deactivating
1240     {
1241         // remember the last focused child if it is our child
1242         m_winLastFocused = FindFocus();
1243
1244         if ( m_winLastFocused )
1245         {
1246             // let it know that it doesn't have focus any more
1247             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1248             // focus events if we call it explicitly.
1249             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1250
1251             // and don't remember it if it's a child from some other frame
1252             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1253             {
1254                 m_winLastFocused = NULL;
1255             }
1256         }
1257
1258         wxLogTrace(wxT("focus"),
1259                    wxT("wxTLW %p deactivated, last focused: %p."),
1260                    m_hWnd,
1261                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1262
1263         event.Skip();
1264     }
1265 }
1266
1267 // the DialogProc for all wxWidgets dialogs
1268 LONG APIENTRY _EXPORT
1269 wxDlgProc(HWND hDlg,
1270           UINT message,
1271           WPARAM WXUNUSED(wParam),
1272           LPARAM WXUNUSED(lParam))
1273 {
1274     switch ( message )
1275     {
1276         case WM_INITDIALOG:
1277         {
1278             // under CE, add a "Ok" button in the dialog title bar and make it full
1279             // screen
1280             //
1281             // TODO: find the window for this HWND, and take into account
1282             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1283             //
1284             // Standard SDK doesn't have aygshell.dll: see
1285             // include/wx/msw/wince/libraries.h
1286 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1287             SHINITDLGINFO shidi;
1288             shidi.dwMask = SHIDIM_FLAGS;
1289             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1290 #ifndef __SMARTPHONE__
1291                             | SHIDIF_DONEBUTTON
1292 #endif
1293                         ;
1294             shidi.hDlg = hDlg;
1295             SHInitDialog( &shidi );
1296 #else // no SHInitDialog()
1297             wxUnusedVar(hDlg);
1298 #endif
1299             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1300             // the first control in the dialog box, but as we set the focus
1301             // ourselves, we return FALSE for it as well
1302             return FALSE;
1303         }
1304     }
1305
1306     // for almost all messages, returning FALSE means that we didn't process
1307     // the message
1308     return FALSE;
1309 }
1310
1311 // ============================================================================
1312 // wxTLWHiddenParentModule implementation
1313 // ============================================================================
1314
1315 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1316
1317 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1318
1319 bool wxTLWHiddenParentModule::OnInit()
1320 {
1321     ms_hwnd = NULL;
1322     ms_className = NULL;
1323
1324     return true;
1325 }
1326
1327 void wxTLWHiddenParentModule::OnExit()
1328 {
1329     if ( ms_hwnd )
1330     {
1331         if ( !::DestroyWindow(ms_hwnd) )
1332         {
1333             wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
1334         }
1335
1336         ms_hwnd = NULL;
1337     }
1338
1339     if ( ms_className )
1340     {
1341         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1342         {
1343             wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
1344         }
1345
1346         ms_className = NULL;
1347     }
1348 }
1349
1350 /* static */
1351 HWND wxTLWHiddenParentModule::GetHWND()
1352 {
1353     if ( !ms_hwnd )
1354     {
1355         if ( !ms_className )
1356         {
1357             static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
1358
1359             WNDCLASS wndclass;
1360             wxZeroMemory(wndclass);
1361
1362             wndclass.lpfnWndProc   = DefWindowProc;
1363             wndclass.hInstance     = wxGetInstance();
1364             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1365
1366             if ( !::RegisterClass(&wndclass) )
1367             {
1368                 wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
1369             }
1370             else
1371             {
1372                 ms_className = HIDDEN_PARENT_CLASS;
1373             }
1374         }
1375
1376         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1377                                  (HMENU)NULL, wxGetInstance(), NULL);
1378         if ( !ms_hwnd )
1379         {
1380             wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
1381         }
1382     }
1383
1384     return ms_hwnd;
1385 }