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 // globals
  83 // ----------------------------------------------------------------------------
  84
  85 // the name of the default wxWidgets class
  86 #ifdef __WXWINCE__
  87 extern       wxChar *wxCanvasClassName;
  88 #else
  89 extern const wxChar *wxCanvasClassName;
  90 #endif
  91
  92 // ----------------------------------------------------------------------------
  93 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  94 // module to ensure that the window is always deleted)
  95 // ----------------------------------------------------------------------------
  96
  97 class wxTLWHiddenParentModule : public wxModule
  98 {
  99 public:
 100     // module init/finalize
 101     virtual bool OnInit();
 102     virtual void OnExit();
 103
 104     // get the hidden window (creates on demand)
 105     static HWND GetHWND();
 106
 107 private:
 108     // the HWND of the hidden parent
 109     static HWND ms_hwnd;
 110
 111     // the class used to create it
 112     static const wxChar *ms_className;
 113
 114     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 115 };
 116
 117 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 118
 119 // ============================================================================
 120 // wxTopLevelWindowMSW implementation
 121 // ============================================================================
 122
 123 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 124     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 125 END_EVENT_TABLE()
 126
 127 // ----------------------------------------------------------------------------
 128 // wxTopLevelWindowMSW creation
 129 // ----------------------------------------------------------------------------
 130
 131 void wxTopLevelWindowMSW::Init()
 132 {
 133     m_iconized =
 134     m_maximizeOnShow = false;
 135
 136     // Data to save/restore when calling ShowFullScreen
 137     m_fsStyle = 0;
 138     m_fsOldWindowStyle = 0;
 139     m_fsIsMaximized = false;
 140     m_fsIsShowing = false;
 141
 142     m_winLastFocused = (wxWindow *)NULL;
 143
 144 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 145     m_MenuBarHWND = 0;
 146 #endif
 147
 148 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 149     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 150     wxZeroMemory(*info);
 151     info->cbSize = sizeof(SHACTIVATEINFO);
 152
 153     m_activateInfo = (void*) info;
 154 #endif
 155 }
 156
 157 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 158 {
 159     // let the base class deal with the common styles but fix the ones which
 160     // don't make sense for us (we also deal with the borders ourselves)
 161     WXDWORD msflags = wxWindow::MSWGetStyle
 162                       (
 163                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 164                       ) & ~WS_CHILD & ~WS_VISIBLE;
 165
 166     // For some reason, WS_VISIBLE needs to be defined on creation for
 167     // SmartPhone 2003. The title can fail to be displayed otherwise.
 168 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 169     msflags |= WS_VISIBLE;
 170     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 171 #endif
 172
 173     // first select the kind of window being created
 174     //
 175     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 176     // creates a window with both caption and border, hence we need to use
 177     // WS_POPUP in a few cases just to avoid having caption/border which we
 178     // don't want
 179
 180     // border and caption styles
 181     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 182         msflags |= WS_THICKFRAME;
 183     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 184         *exflags |= WS_EX_DLGMODALFRAME;
 185     else if ( !(style & wxBORDER_NONE) )
 186         msflags |= WS_BORDER;
 187 #ifndef __POCKETPC__
 188     else
 189         msflags |= WS_POPUP;
 190 #endif
 191
 192     // normally we consider that all windows without a caption must be popups,
 193     // but CE is an exception: there windows normally do not have the caption
 194     // but shouldn't be made popups as popups can't have menus and don't look
 195     // like normal windows anyhow
 196
 197     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 198     // we need it.
 199 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 200     if ( style & wxCAPTION )
 201         msflags |= WS_CAPTION;
 202 #ifndef __WXWINCE__
 203     else
 204         msflags |= WS_POPUP;
 205 #endif // !__WXWINCE__
 206 #endif
 207
 208     // next translate the individual flags
 209
 210     // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
 211     // and is ignored if we specify both of them, but chances are that if we
 212     // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
 213     // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
 214     // takes precedence
 215     if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
 216     {
 217         if ( style & wxMINIMIZE_BOX )
 218             msflags |= WS_MINIMIZEBOX;
 219         if ( style & wxMAXIMIZE_BOX )
 220             msflags |= WS_MAXIMIZEBOX;
 221     }
 222
 223 #ifndef __WXWINCE__
 224     // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as
 225     // otherwise the close box doesn't appear
 226     if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) )
 227         msflags |= WS_SYSMENU;
 228 #endif // !__WXWINCE__
 229
 230     // NB: under CE these 2 styles are not supported currently, we should
 231     //     call Minimize()/Maximize() "manually" if we want to support them
 232     if ( style & wxMINIMIZE )
 233         msflags |= WS_MINIMIZE;
 234
 235     if ( style & wxMAXIMIZE )
 236         msflags |= WS_MAXIMIZE;
 237
 238     // Keep this here because it saves recoding this function in wxTinyFrame
 239     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 240         msflags |= WS_CAPTION;
 241
 242     if ( exflags )
 243     {
 244         // there is no taskbar under CE, so omit all this
 245 #if !defined(__WXWINCE__)
 246         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 247         {
 248             if ( style & wxFRAME_TOOL_WINDOW )
 249             {
 250                 // create the palette-like window
 251                 *exflags |= WS_EX_TOOLWINDOW;
 252
 253                 // tool windows shouldn't appear on the taskbar (as documented)
 254                 style |= wxFRAME_NO_TASKBAR;
 255             }
 256
 257             // We have to solve 2 different problems here:
 258             //
 259             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 260             //    taskbar even if they don't have a parent
 261             //
 262             // 2. frames without this style should appear in the taskbar even
 263             //    if they're owned (Windows only puts non owned windows into
 264             //    the taskbar normally)
 265             //
 266             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 267             // first one is dealt with in our MSWGetParent() method
 268             // implementation
 269             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 270             {
 271                 // need to force the frame to appear in the taskbar
 272                 *exflags |= WS_EX_APPWINDOW;
 273             }
 274             //else: nothing to do [here]
 275         }
 276
 277         if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
 278             *exflags |= WS_EX_CONTEXTHELP;
 279 #endif // !__WXWINCE__
 280
 281         if ( style & wxSTAY_ON_TOP )
 282             *exflags |= WS_EX_TOPMOST;
 283     }
 284
 285     return msflags;
 286 }
 287
 288 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 289 {
 290     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 291     // parent HWND or it would be always on top of its parent which is not what
 292     // we usually want (in fact, we only want it for frames with the
 293     // wxFRAME_FLOAT_ON_PARENT flag)
 294     HWND hwndParent = NULL;
 295     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 296     {
 297         const wxWindow *parent = GetParent();
 298
 299         if ( !parent )
 300         {
 301             // this flag doesn't make sense then and will be ignored
 302             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 303         }
 304         else
 305         {
 306             hwndParent = GetHwndOf(parent);
 307         }
 308     }
 309     //else: don't float on parent, must not be owned
 310
 311     // now deal with the 2nd taskbar-related problem (see comments above in
 312     // MSWGetStyle())
 313     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 314     {
 315         // use hidden parent
 316         hwndParent = wxTLWHiddenParentModule::GetHWND();
 317     }
 318
 319     return (WXHWND)hwndParent;
 320 }
 321
 322 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 323 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 324 {
 325     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 326     if ( info )
 327     {
 328         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 329     }
 330
 331     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 332 }
 333 #endif
 334
 335 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 336 {
 337     WXLRESULT rc = 0;
 338     bool processed = false;
 339
 340 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 341     switch ( message )
 342     {
 343         case WM_ACTIVATE:
 344         {
 345             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 346             if (info)
 347             {
 348                 DWORD flags = 0;
 349                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 350                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 351             }
 352
 353             // This implicitly sends a wxEVT_ACTIVATE_APP event
 354             if (wxTheApp)
 355                 wxTheApp->SetActive(wParam != 0, FindFocus());
 356
 357             break;
 358         }
 359         case WM_HIBERNATE:
 360         {
 361             if (wxTheApp)
 362             {
 363                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 364                 event.SetEventObject(wxTheApp);
 365                 processed = wxTheApp->ProcessEvent(event);
 366             }
 367             break;
 368         }
 369     }
 370 #endif
 371
 372     if ( !processed )
 373         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 374
 375     return rc;
 376 }
 377
 378 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 379                                        const wxString& title,
 380                                        const wxPoint& pos,
 381                                        const wxSize& size)
 382 {
 383 #ifdef __WXMICROWIN__
 384     // no dialogs support under MicroWin yet
 385     return CreateFrame(title, pos, size);
 386 #else // !__WXMICROWIN__
 387     wxWindow *parent = GetParent();
 388
 389     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 390     // app window as parent - this avoids creating modal dialogs without
 391     // parent
 392     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 393     {
 394         parent = wxTheApp->GetTopWindow();
 395
 396         if ( parent )
 397         {
 398             // don't use transient windows as parents, this is dangerous as it
 399             // can lead to a crash if the parent is destroyed before the child
 400             //
 401             // also don't use the window which is currently hidden as then the
 402             // dialog would be hidden as well
 403             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 404                     !parent->IsShown() )
 405             {
 406                 parent = NULL;
 407             }
 408         }
 409     }
 410
 411     m_hWnd = (WXHWND)::CreateDialogIndirect
 412                        (
 413                         wxGetInstance(),
 414                         (DLGTEMPLATE*)dlgTemplate,
 415                         parent ? GetHwndOf(parent) : NULL,
 416                         (DLGPROC)wxDlgProc
 417                        );
 418
 419     if ( !m_hWnd )
 420     {
 421         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 422
 423         wxLogSysError(wxT("Can't create dialog using memory template"));
 424
 425         return false;
 426     }
 427
 428 #if !defined(__WXWINCE__)
 429     // For some reason, the system menu is activated when we use the
 430     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 431     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 432     {
 433         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 434         if ( winTop )
 435         {
 436             wxIcon icon = winTop->GetIcon();
 437             if ( icon.Ok() )
 438             {
 439                 ::SendMessage(GetHwnd(), WM_SETICON,
 440                               (WPARAM)TRUE,
 441                               (LPARAM)GetHiconOf(icon));
 442             }
 443         }
 444     }
 445 #endif // !__WXWINCE__
 446
 447     // move the dialog to its initial position without forcing repainting
 448     int x, y, w, h;
 449     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 450
 451     if ( x == (int)CW_USEDEFAULT )
 452     {
 453         // centre it on the screen - what else can we do?
 454         wxSize sizeDpy = wxGetDisplaySize();
 455
 456         x = (sizeDpy.x - w) / 2;
 457         y = (sizeDpy.y - h) / 2;
 458     }
 459
 460 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 461     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 462     {
 463         wxLogLastError(wxT("MoveWindow"));
 464     }
 465 #endif
 466
 467     if ( !title.empty() )
 468     {
 469         ::SetWindowText(GetHwnd(), title.wx_str());
 470     }
 471
 472     SubclassWin(m_hWnd);
 473
 474 #ifdef __SMARTPHONE__
 475     // Work around title non-display glitch
 476     Show(false);
 477 #endif
 478
 479     return true;
 480 #endif // __WXMICROWIN__/!__WXMICROWIN__
 481 }
 482
 483 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 484                                       const wxPoint& pos,
 485                                       const wxSize& size)
 486 {
 487     WXDWORD exflags;
 488     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 489
 490     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 491
 492 #ifndef __WXWINCE__
 493     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 494         exflags |= WS_EX_LAYOUTRTL;
 495 #endif
 496
 497     return MSWCreate(wxCanvasClassName, title.wx_str(), pos, sz, flags, exflags);
 498 }
 499
 500 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 501                                  wxWindowID id,
 502                                  const wxString& title,
 503                                  const wxPoint& pos,
 504                                  const wxSize& size,
 505                                  long style,
 506                                  const wxString& name)
 507 {
 508     bool ret wxDUMMY_INITIALIZE(false);
 509
 510     // init our fields
 511     Init();
 512
 513     wxSize sizeReal = size;
 514     if ( !sizeReal.IsFullySpecified() )
 515     {
 516         sizeReal.SetDefaults(GetDefaultSize());
 517     }
 518
 519     m_windowStyle = style;
 520
 521     SetName(name);
 522
 523     m_windowId = id == wxID_ANY ? NewControlId() : id;
 524
 525     wxTopLevelWindows.Append(this);
 526
 527     if ( parent )
 528         parent->AddChild(this);
 529
 530     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 531     {
 532         // we have different dialog templates to allows creation of dialogs
 533         // with & without captions under MSWindows, resizeable or not (but a
 534         // resizeable dialog always has caption - otherwise it would look too
 535         // strange)
 536
 537         // we need 3 additional WORDs for dialog menu, class and title (as we
 538         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 539         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 540         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 541         memset(dlgTemplate, 0, dlgsize);
 542
 543         // these values are arbitrary, they won't be used normally anyhow
 544         dlgTemplate->x  = 34;
 545         dlgTemplate->y  = 22;
 546         dlgTemplate->cx = 144;
 547         dlgTemplate->cy = 75;
 548
 549         // reuse the code in MSWGetStyle() but correct the results slightly for
 550         // the dialog
 551         dlgTemplate->style = MSWGetStyle(style, &dlgTemplate->dwExtendedStyle);
 552
 553         // all dialogs are popups
 554         dlgTemplate->style |= WS_POPUP;
 555
 556 #ifndef __WXWINCE__
 557         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 558         {
 559             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 560         }
 561
 562         // force 3D-look if necessary, it looks impossibly ugly otherwise
 563         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 564             dlgTemplate->style |= DS_MODALFRAME;
 565 #endif
 566
 567         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 568         free(dlgTemplate);
 569     }
 570     else // !dialog
 571     {
 572         ret = CreateFrame(title, pos, sizeReal);
 573     }
 574
 575 #ifndef __WXWINCE__
 576     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 577     {
 578         EnableCloseButton(false);
 579     }
 580 #endif
 581
 582     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 583     // itself but for custom windows we have to do it ourselves in order to
 584     // make the keyboard indicators (such as underlines for accelerators and
 585     // focus rectangles) work under Win2k+
 586     if ( ret )
 587     {
 588         MSWUpdateUIState(UIS_INITIALIZE);
 589     }
 590
 591     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 592     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 593 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 594     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 595     {
 596         this->Maximize();
 597     }
 598 #endif
 599
 600 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 601     SetRightMenu(); // to nothing for initialization
 602 #endif
 603
 604     return ret;
 605 }
 606
 607 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 608 {
 609 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 610     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 611     delete info;
 612     m_activateInfo = NULL;
 613 #endif
 614
 615     // after destroying an owned window, Windows activates the next top level
 616     // window in Z order but it may be different from our owner (to reproduce
 617     // this simply Alt-TAB to another application and back before closing the
 618     // owned frame) whereas we always want to yield activation to our parent
 619     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 620     {
 621         wxWindow *parent = GetParent();
 622         if ( parent )
 623         {
 624             ::BringWindowToTop(GetHwndOf(parent));
 625         }
 626     }
 627 }
 628
 629 // ----------------------------------------------------------------------------
 630 // wxTopLevelWindowMSW showing
 631 // ----------------------------------------------------------------------------
 632
 633 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 634 {
 635     ::ShowWindow(GetHwnd(), nShowCmd);
 636
 637     m_iconized = nShowCmd == SW_MINIMIZE;
 638 }
 639
 640 bool wxTopLevelWindowMSW::Show(bool show)
 641 {
 642     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 643     if ( !wxWindowBase::Show(show) )
 644         return false;
 645
 646     int nShowCmd;
 647     if ( show )
 648     {
 649         if ( m_maximizeOnShow )
 650         {
 651             // show and maximize
 652             nShowCmd = SW_MAXIMIZE;
 653
 654             // This is necessary, or no window appears
 655 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 656             DoShowWindow(SW_SHOW);
 657 #endif
 658
 659             m_maximizeOnShow = false;
 660         }
 661         else // just show
 662         {
 663             // we shouldn't use SW_SHOW which also activates the window for
 664             // tool frames (as they shouldn't steal focus from the main window)
 665             // nor for the currently disabled windows as they would be enabled
 666             // as a side effect
 667             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 668                 nShowCmd = SW_SHOWNA;
 669             else
 670                 nShowCmd = SW_SHOW;
 671         }
 672     }
 673     else // hide
 674     {
 675         nShowCmd = SW_HIDE;
 676     }
 677
 678     DoShowWindow(nShowCmd);
 679
 680 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 681     // Addornments have to be added when the frame is the correct size
 682     wxFrame* frame = wxDynamicCast(this, wxFrame);
 683     if (frame && frame->GetMenuBar())
 684         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 685 #endif
 686
 687     // we only set pending size if we're maximized before being shown, now that
 688     // we're shown we don't need it any more (it is reset in size event handler
 689     // for child windows but we have to do it ourselves for this parent window)
 690     m_pendingSize = wxDefaultSize;
 691
 692     return true;
 693 }
 694
 695 // ----------------------------------------------------------------------------
 696 // wxTopLevelWindowMSW maximize/minimize
 697 // ----------------------------------------------------------------------------
 698
 699 void wxTopLevelWindowMSW::Maximize(bool maximize)
 700 {
 701     if ( IsShown() )
 702     {
 703         // just maximize it directly
 704         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 705     }
 706     else // hidden
 707     {
 708         // we can't maximize the hidden frame because it shows it as well,
 709         // so just remember that we should do it later in this case
 710         m_maximizeOnShow = maximize;
 711
 712         // after calling Maximize() the client code expects to get the frame
 713         // "real" size and doesn't want to know that, because of implementation
 714         // details, the frame isn't really maximized yet but will be only once
 715         // it's shown, so return our size as it will be then in this case
 716         if ( maximize )
 717         {
 718             // we must only change pending size here, and not call SetSize()
 719             // because otherwise Windows would think that this (full screen)
 720             // size is the natural size for the frame and so would use it when
 721             // the user clicks on "restore" title bar button instead of the
 722             // correct initial frame size
 723             //
 724             // NB: unfortunately we don't know which display we're on yet so we
 725             //     have to use the default one
 726             m_pendingSize = wxGetClientDisplayRect().GetSize();
 727         }
 728         //else: can't do anything in this case, we don't have the old size
 729     }
 730 }
 731
 732 bool wxTopLevelWindowMSW::IsMaximized() const
 733 {
 734     return IsAlwaysMaximized() ||
 735 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 736
 737            (::IsZoomed(GetHwnd()) != 0) ||
 738 #endif
 739            m_maximizeOnShow;
 740 }
 741
 742 void wxTopLevelWindowMSW::Iconize(bool iconize)
 743 {
 744     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 745 }
 746
 747 bool wxTopLevelWindowMSW::IsIconized() const
 748 {
 749 #ifdef __WXWINCE__
 750     return false;
 751 #else
 752     // don't use m_iconized, it may be briefly out of sync with the real state
 753     // as it's only modified when we receive a WM_SIZE and we could be called
 754     // from an event handler from one of the messages we receive before it,
 755     // such as WM_MOVE
 756     return ::IsIconic(GetHwnd()) != 0;
 757 #endif
 758 }
 759
 760 void wxTopLevelWindowMSW::Restore()
 761 {
 762     DoShowWindow(SW_RESTORE);
 763 }
 764
 765 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 766 {
 767     if ( dir == wxLayout_Default )
 768         dir = wxTheApp->GetLayoutDirection();
 769
 770     if ( dir != wxLayout_Default )
 771         wxTopLevelWindowBase::SetLayoutDirection(dir);
 772 }
 773
 774 // ----------------------------------------------------------------------------
 775 // wxTopLevelWindowMSW geometry
 776 // ----------------------------------------------------------------------------
 777
 778 #ifndef __WXWINCE__
 779
 780 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 781 {
 782     if ( IsIconized() )
 783     {
 784         WINDOWPLACEMENT wp;
 785         wp.length = sizeof(WINDOWPLACEMENT);
 786         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 787         {
 788             RECT& rc = wp.rcNormalPosition;
 789
 790             // the position returned by GetWindowPlacement() is in workspace
 791             // coordinates except for windows with WS_EX_TOOLWINDOW style
 792             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 793             {
 794                 // we must use the correct display for the translation as the
 795                 // task bar might be shown on one display but not the other one
 796                 int n = wxDisplay::GetFromWindow(this);
 797                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 798                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 799                                       dpy.GetGeometry().GetPosition();
 800
 801                 rc.left += ptOfs.x;
 802                 rc.top += ptOfs.y;
 803             }
 804
 805             if ( x )
 806                 *x = rc.left;
 807             if ( y )
 808                 *y = rc.top;
 809
 810             return;
 811         }
 812
 813         wxLogLastError(_T("GetWindowPlacement"));
 814     }
 815     //else: normal case
 816
 817     wxTopLevelWindowBase::DoGetPosition(x, y);
 818 }
 819
 820 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 821 {
 822     if ( IsIconized() )
 823     {
 824         WINDOWPLACEMENT wp;
 825         wp.length = sizeof(WINDOWPLACEMENT);
 826         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 827         {
 828             const RECT& rc = wp.rcNormalPosition;
 829
 830             if ( width )
 831                 *width = rc.right - rc.left;
 832             if ( height )
 833                 *height = rc.bottom - rc.top;
 834
 835             return;
 836         }
 837
 838         wxLogLastError(_T("GetWindowPlacement"));
 839     }
 840     //else: normal case
 841
 842     wxTopLevelWindowBase::DoGetSize(width, height);
 843 }
 844
 845 #endif // __WXWINCE__
 846
 847 // ----------------------------------------------------------------------------
 848 // wxTopLevelWindowMSW fullscreen
 849 // ----------------------------------------------------------------------------
 850
 851 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 852 {
 853     if ( show == IsFullScreen() )
 854     {
 855         // nothing to do
 856         return true;
 857     }
 858
 859     m_fsIsShowing = show;
 860
 861     if ( show )
 862     {
 863         m_fsStyle = style;
 864
 865         // zap the frame borders
 866
 867         // save the 'normal' window style
 868         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 869
 870         // save the old position, width & height, maximize state
 871         m_fsOldSize = GetRect();
 872         m_fsIsMaximized = IsMaximized();
 873
 874         // decide which window style flags to turn off
 875         LONG newStyle = m_fsOldWindowStyle;
 876         LONG offFlags = 0;
 877
 878         if (style & wxFULLSCREEN_NOBORDER)
 879         {
 880             offFlags |= WS_BORDER;
 881 #ifndef __WXWINCE__
 882             offFlags |= WS_THICKFRAME;
 883 #endif
 884         }
 885         if (style & wxFULLSCREEN_NOCAPTION)
 886             offFlags |= WS_CAPTION | WS_SYSMENU;
 887
 888         newStyle &= ~offFlags;
 889
 890         // change our window style to be compatible with full-screen mode
 891         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 892
 893         wxRect rect;
 894 #if wxUSE_DISPLAY
 895         // resize to the size of the display containing us
 896         int dpy = wxDisplay::GetFromWindow(this);
 897         if ( dpy != wxNOT_FOUND )
 898         {
 899             rect = wxDisplay(dpy).GetGeometry();
 900         }
 901         else // fall back to the main desktop
 902 #endif // wxUSE_DISPLAY
 903         {
 904             // resize to the size of the desktop
 905             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 906 #ifdef __WXWINCE__
 907             // FIXME: size of the bottom menu (toolbar)
 908             // should be taken in account
 909             rect.height += rect.y;
 910             rect.y       = 0;
 911 #endif
 912         }
 913
 914         SetSize(rect);
 915
 916         // now flush the window style cache and actually go full-screen
 917         long flags = SWP_FRAMECHANGED;
 918
 919         // showing the frame full screen should also show it if it's still
 920         // hidden
 921         if ( !IsShown() )
 922         {
 923             // don't call wxWindow version to avoid flicker from calling
 924             // ::ShowWindow() -- we're going to show the window at the correct
 925             // location directly below -- but do call the wxWindowBase version
 926             // to sync the internal m_isShown flag
 927             wxWindowBase::Show();
 928
 929             flags |= SWP_SHOWWINDOW;
 930         }
 931
 932         SetWindowPos(GetHwnd(), HWND_TOP,
 933                      rect.x, rect.y, rect.width, rect.height,
 934                      flags);
 935
 936 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 937         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 938 #endif
 939
 940         // finally send an event allowing the window to relayout itself &c
 941         wxSizeEvent event(rect.GetSize(), GetId());
 942         HandleWindowEvent(event);
 943     }
 944     else // stop showing full screen
 945     {
 946 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 947         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 948 #endif
 949         Maximize(m_fsIsMaximized);
 950         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 951         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 952             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 953     }
 954
 955     return true;
 956 }
 957
 958 // ----------------------------------------------------------------------------
 959 // wxTopLevelWindowMSW misc
 960 // ----------------------------------------------------------------------------
 961
 962 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 963 {
 964     SetLabel(title);
 965 }
 966
 967 wxString wxTopLevelWindowMSW::GetTitle() const
 968 {
 969     return GetLabel();
 970 }
 971
 972 void wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
 973                                              int smX,
 974                                              int smY,
 975                                              int i)
 976 {
 977     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
 978
 979     const wxIcon icon = icons.GetIconOfExactSize(size);
 980     if ( icon.Ok() )
 981     {
 982         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
 983     }
 984 }
 985
 986 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 987 {
 988     wxTopLevelWindowBase::SetIcons(icons);
 989
 990     DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
 991     DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG);
 992 }
 993
 994 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 995 {
 996 #if !defined(__WXMICROWIN__)
 997     // get system (a.k.a. window) menu
 998     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 999     if ( !hmenu )
1000     {
1001         // no system menu at all -- ok if we want to remove the close button
1002         // anyhow, but bad if we want to show it
1003         return !enable;
1004     }
1005
1006     // enabling/disabling the close item from it also automatically
1007     // disables/enables the close title bar button
1008     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1009                           MF_BYCOMMAND |
1010                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1011     {
1012         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
1013
1014         return false;
1015     }
1016 #ifndef __WXWINCE__
1017     // update appearance immediately
1018     if ( !::DrawMenuBar(GetHwnd()) )
1019     {
1020         wxLogLastError(_T("DrawMenuBar"));
1021     }
1022 #endif
1023 #endif // !__WXMICROWIN__
1024
1025     return true;
1026 }
1027
1028 #ifndef __WXWINCE__
1029
1030 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1031 {
1032     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1033                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1034
1035     // The empty region signifies that the shape should be removed from the
1036     // window.
1037     if ( region.IsEmpty() )
1038     {
1039         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1040         {
1041             wxLogLastError(_T("SetWindowRgn"));
1042             return false;
1043         }
1044         return true;
1045     }
1046
1047     // Windows takes ownership of the region, so
1048     // we'll have to make a copy of the region to give to it.
1049     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1050     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1051     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1052     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1053     delete[] (char*) rgnData;
1054
1055     // SetWindowRgn expects the region to be in coordinants
1056     // relative to the window, not the client area.  Figure
1057     // out the offset, if any.
1058     RECT rect;
1059     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1060     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1061     ::GetClientRect(GetHwnd(), &rect);
1062     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
1063     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1064
1065     // Now call the shape API with the new region.
1066     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1067     {
1068         wxLogLastError(_T("SetWindowRgn"));
1069         return false;
1070     }
1071     return true;
1072 }
1073
1074 #endif // !__WXWINCE__
1075
1076 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1077 {
1078     // check if we can use FlashWindowEx(): unfortunately a simple test for
1079     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1080     // provide FlashWindowEx() declaration, so try to detect whether we have
1081     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1082     // declated in MSVC6 header
1083 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1084     // available in the headers, check if it is supported by the system
1085     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1086     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1087     if ( !s_pfnFlashWindowEx )
1088     {
1089         wxDynamicLibrary dllUser32(_T("user32.dll"));
1090         s_pfnFlashWindowEx = (FlashWindowEx_t)
1091                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1092
1093         // we can safely unload user32.dll here, it's going to remain loaded as
1094         // long as the program is running anyhow
1095     }
1096
1097     if ( s_pfnFlashWindowEx )
1098     {
1099         WinStruct<FLASHWINFO> fwi;
1100         fwi.hwnd = GetHwnd();
1101         fwi.dwFlags = FLASHW_ALL;
1102         if ( flags & wxUSER_ATTENTION_INFO )
1103         {
1104             // just flash a few times
1105             fwi.uCount = 3;
1106         }
1107         else // wxUSER_ATTENTION_ERROR
1108         {
1109             // flash until the user notices it
1110             fwi.dwFlags |= FLASHW_TIMERNOFG;
1111         }
1112
1113         s_pfnFlashWindowEx(&fwi);
1114     }
1115     else // FlashWindowEx() not available
1116 #endif // FlashWindowEx() defined
1117     {
1118         wxUnusedVar(flags);
1119 #ifndef __WXWINCE__
1120         ::FlashWindow(GetHwnd(), TRUE);
1121 #endif // __WXWINCE__
1122     }
1123 }
1124
1125 // ---------------------------------------------------------------------------
1126
1127 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1128 {
1129 #if wxUSE_DYNLIB_CLASS
1130     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1131     static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL;
1132
1133     if ( pSetLayeredWindowAttributes == NULL )
1134     {
1135         wxDynamicLibrary dllUser32(_T("user32.dll"));
1136         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1137             dllUser32.GetSymbol(wxT("SetLayeredWindowAttributes"));
1138     }
1139     if ( pSetLayeredWindowAttributes == NULL )
1140         return false;
1141 #endif // wxUSE_DYNLIB_CLASS
1142
1143     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1144
1145     // if setting alpha to fully opaque then turn off the layered style
1146     if (alpha == 255)
1147     {
1148         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1149         Refresh();
1150         return true;
1151     }
1152
1153 #if wxUSE_DYNLIB_CLASS
1154     // Otherwise, set the layered style if needed and set the alpha value
1155     if ((exstyle & WS_EX_LAYERED) == 0 )
1156         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1157
1158     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1159         return true;
1160 #endif // wxUSE_DYNLIB_CLASS
1161
1162     return false;
1163 }
1164
1165 bool wxTopLevelWindowMSW::CanSetTransparent()
1166 {
1167     // The API is available on win2k and above
1168
1169     static int os_type = -1;
1170     static int ver_major = -1;
1171
1172     if (os_type == -1)
1173         os_type = ::wxGetOsVersion(&ver_major);
1174
1175     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1176 }
1177
1178
1179 void wxTopLevelWindowMSW::DoFreeze()
1180 {
1181     if ( IsShown() )
1182     {
1183         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1184               node;
1185               node = node->GetNext() )
1186         {
1187             wxWindow *child = node->GetData();
1188             if ( child->IsTopLevel() )
1189                 continue;
1190
1191             child->Freeze();
1192         }
1193     }
1194 }
1195
1196 void wxTopLevelWindowMSW::DoThaw()
1197 {
1198     if ( IsShown() )
1199     {
1200         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1201               node;
1202               node = node->GetNext() )
1203         {
1204             wxWindow *child = node->GetData();
1205             if ( child->IsTopLevel() )
1206                 continue;
1207
1208             child->Thaw();
1209         }
1210     }
1211 }
1212
1213
1214 void wxTopLevelWindowMSW::AddChild(wxWindowBase *child)
1215 {
1216     // adding a child while frozen will assert when thawn, so freeze it as if
1217     // it had been already present when we were frozen
1218     if ( child && !child->IsTopLevel() && IsFrozen() )
1219     {
1220         child->Freeze();
1221     }
1222
1223     wxTopLevelWindowBase::AddChild(child);
1224 }
1225
1226
1227 // ----------------------------------------------------------------------------
1228 // wxTopLevelWindow event handling
1229 // ----------------------------------------------------------------------------
1230
1231 // Default activation behaviour - set the focus for the first child
1232 // subwindow found.
1233 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1234 {
1235     if ( event.GetActive() )
1236     {
1237         // restore focus to the child which was last focused unless we already
1238         // have it
1239         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1240
1241         wxWindow *winFocus = FindFocus();
1242         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1243         {
1244             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1245                                                 : NULL;
1246             if ( !parent )
1247             {
1248                 parent = this;
1249             }
1250
1251             wxSetFocusToChild(parent, &m_winLastFocused);
1252         }
1253     }
1254     else // deactivating
1255     {
1256         // remember the last focused child if it is our child
1257         m_winLastFocused = FindFocus();
1258
1259         if ( m_winLastFocused )
1260         {
1261             // let it know that it doesn't have focus any more
1262             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1263
1264             // and don't remember it if it's a child from some other frame
1265             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1266             {
1267                 m_winLastFocused = NULL;
1268             }
1269         }
1270
1271         wxLogTrace(_T("focus"),
1272                    _T("wxTLW %08x deactivated, last focused: %08x."),
1273                    (int) m_hWnd,
1274                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1275                                            : NULL));
1276
1277         event.Skip();
1278     }
1279 }
1280
1281 // the DialogProc for all wxWidgets dialogs
1282 LONG APIENTRY _EXPORT
1283 wxDlgProc(HWND hDlg,
1284           UINT message,
1285           WPARAM WXUNUSED(wParam),
1286           LPARAM WXUNUSED(lParam))
1287 {
1288     switch ( message )
1289     {
1290         case WM_INITDIALOG:
1291         {
1292             // under CE, add a "Ok" button in the dialog title bar and make it full
1293             // screen
1294             //
1295             // TODO: find the window for this HWND, and take into account
1296             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1297             //
1298             // Standard SDK doesn't have aygshell.dll: see
1299             // include/wx/msw/wince/libraries.h
1300 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1301             SHINITDLGINFO shidi;
1302             shidi.dwMask = SHIDIM_FLAGS;
1303             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1304 #ifndef __SMARTPHONE__
1305                             | SHIDIF_DONEBUTTON
1306 #endif
1307                         ;
1308             shidi.hDlg = hDlg;
1309             SHInitDialog( &shidi );
1310 #else // no SHInitDialog()
1311             wxUnusedVar(hDlg);
1312 #endif
1313             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1314             // the first control in the dialog box, but as we set the focus
1315             // ourselves, we return FALSE for it as well
1316             return FALSE;
1317         }
1318     }
1319
1320     // for almost all messages, returning FALSE means that we didn't process
1321     // the message
1322     return FALSE;
1323 }
1324
1325 // ============================================================================
1326 // wxTLWHiddenParentModule implementation
1327 // ============================================================================
1328
1329 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1330
1331 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1332
1333 bool wxTLWHiddenParentModule::OnInit()
1334 {
1335     ms_hwnd = NULL;
1336     ms_className = NULL;
1337
1338     return true;
1339 }
1340
1341 void wxTLWHiddenParentModule::OnExit()
1342 {
1343     if ( ms_hwnd )
1344     {
1345         if ( !::DestroyWindow(ms_hwnd) )
1346         {
1347             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1348         }
1349
1350         ms_hwnd = NULL;
1351     }
1352
1353     if ( ms_className )
1354     {
1355         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1356         {
1357             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1358         }
1359
1360         ms_className = NULL;
1361     }
1362 }
1363
1364 /* static */
1365 HWND wxTLWHiddenParentModule::GetHWND()
1366 {
1367     if ( !ms_hwnd )
1368     {
1369         if ( !ms_className )
1370         {
1371             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1372
1373             WNDCLASS wndclass;
1374             wxZeroMemory(wndclass);
1375
1376             wndclass.lpfnWndProc   = DefWindowProc;
1377             wndclass.hInstance     = wxGetInstance();
1378             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1379
1380             if ( !::RegisterClass(&wndclass) )
1381             {
1382                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1383             }
1384             else
1385             {
1386                 ms_className = HIDDEN_PARENT_CLASS;
1387             }
1388         }
1389
1390         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1391                                  (HMENU)NULL, wxGetInstance(), NULL);
1392         if ( !ms_hwnd )
1393         {
1394             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1395         }
1396     }
1397
1398     return ms_hwnd;
1399 }