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