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)->GetParentForModalDialog();
 379
 380     m_hWnd = (WXHWND)::CreateDialogIndirect
 381                        (
 382                         wxGetInstance(),
 383                         (DLGTEMPLATE*)dlgTemplate,
 384                         parent ? GetHwndOf(parent) : NULL,
 385                         (DLGPROC)wxDlgProc
 386                        );
 387
 388     if ( !m_hWnd )
 389     {
 390         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 391
 392         wxLogSysError(wxT("Can't create dialog using memory template"));
 393
 394         return false;
 395     }
 396
 397 #if !defined(__WXWINCE__)
 398     // For some reason, the system menu is activated when we use the
 399     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 400     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 401     {
 402         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 403         if ( winTop )
 404         {
 405             wxIcon icon = winTop->GetIcon();
 406             if ( icon.Ok() )
 407             {
 408                 ::SendMessage(GetHwnd(), WM_SETICON,
 409                               (WPARAM)TRUE,
 410                               (LPARAM)GetHiconOf(icon));
 411             }
 412         }
 413     }
 414 #endif // !__WXWINCE__
 415
 416     // move the dialog to its initial position without forcing repainting
 417     int x, y, w, h;
 418     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 419
 420     if ( x == (int)CW_USEDEFAULT )
 421     {
 422         // centre it on the screen - what else can we do?
 423         wxSize sizeDpy = wxGetDisplaySize();
 424
 425         x = (sizeDpy.x - w) / 2;
 426         y = (sizeDpy.y - h) / 2;
 427     }
 428
 429 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 430     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 431     {
 432         wxLogLastError(wxT("MoveWindow"));
 433     }
 434 #endif
 435
 436     if ( !title.empty() )
 437     {
 438         ::SetWindowText(GetHwnd(), title.wx_str());
 439     }
 440
 441     SubclassWin(m_hWnd);
 442
 443 #ifdef __SMARTPHONE__
 444     // Work around title non-display glitch
 445     Show(false);
 446 #endif
 447
 448     return true;
 449 #endif // __WXMICROWIN__/!__WXMICROWIN__
 450 }
 451
 452 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 453                                       const wxPoint& pos,
 454                                       const wxSize& size)
 455 {
 456     WXDWORD exflags;
 457     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 458
 459     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 460
 461 #ifndef __WXWINCE__
 462     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 463         exflags |= WS_EX_LAYOUTRTL;
 464 #endif
 465
 466     return MSWCreate(MSWGetRegisteredClassName(),
 467                      title.wx_str(), pos, sz, flags, exflags);
 468 }
 469
 470 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 471                                  wxWindowID id,
 472                                  const wxString& title,
 473                                  const wxPoint& pos,
 474                                  const wxSize& size,
 475                                  long style,
 476                                  const wxString& name)
 477 {
 478     wxSize sizeReal = size;
 479     if ( !sizeReal.IsFullySpecified() )
 480     {
 481         sizeReal.SetDefaults(GetDefaultSize());
 482     }
 483
 484     // notice that we should append this window to wxTopLevelWindows list
 485     // before calling CreateBase() as it behaves differently for TLW and
 486     // non-TLW windows
 487     wxTopLevelWindows.Append(this);
 488
 489     bool ret = CreateBase(parent, id, pos, sizeReal, style, name);
 490     if ( !ret )
 491         return false;
 492
 493     if ( parent )
 494         parent->AddChild(this);
 495
 496     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 497     {
 498         // we have different dialog templates to allows creation of dialogs
 499         // with & without captions under MSWindows, resizeable or not (but a
 500         // resizeable dialog always has caption - otherwise it would look too
 501         // strange)
 502
 503         // we need 3 additional WORDs for dialog menu, class and title (as we
 504         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 505         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 506         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 507         memset(dlgTemplate, 0, dlgsize);
 508
 509         // these values are arbitrary, they won't be used normally anyhow
 510         dlgTemplate->x  = 34;
 511         dlgTemplate->y  = 22;
 512         dlgTemplate->cx = 144;
 513         dlgTemplate->cy = 75;
 514
 515         // reuse the code in MSWGetStyle() but correct the results slightly for
 516         // the dialog
 517         //
 518         // NB: we need a temporary variable as we can't pass pointer to
 519         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 520         //     architectures
 521         WXDWORD dwExtendedStyle;
 522         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 523         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 524
 525         // all dialogs are popups
 526         dlgTemplate->style |= WS_POPUP;
 527
 528 #ifndef __WXWINCE__
 529         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 530         {
 531             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 532         }
 533
 534         // force 3D-look if necessary, it looks impossibly ugly otherwise
 535         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 536             dlgTemplate->style |= DS_MODALFRAME;
 537 #endif
 538
 539         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 540         free(dlgTemplate);
 541     }
 542     else // !dialog
 543     {
 544         ret = CreateFrame(title, pos, sizeReal);
 545     }
 546
 547 #ifndef __WXWINCE__
 548     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 549     {
 550         EnableCloseButton(false);
 551     }
 552 #endif
 553
 554     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 555     // itself but for custom windows we have to do it ourselves in order to
 556     // make the keyboard indicators (such as underlines for accelerators and
 557     // focus rectangles) work under Win2k+
 558     if ( ret )
 559     {
 560         MSWUpdateUIState(UIS_INITIALIZE);
 561     }
 562
 563     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 564     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 565 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 566     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 567     {
 568         this->Maximize();
 569     }
 570 #endif
 571
 572 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 573     SetRightMenu(); // to nothing for initialization
 574 #endif
 575
 576     return ret;
 577 }
 578
 579 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 580 {
 581     SendDestroyEvent();
 582
 583 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 584     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 585     delete info;
 586     m_activateInfo = NULL;
 587 #endif
 588
 589     // after destroying an owned window, Windows activates the next top level
 590     // window in Z order but it may be different from our owner (to reproduce
 591     // this simply Alt-TAB to another application and back before closing the
 592     // owned frame) whereas we always want to yield activation to our parent
 593     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 594     {
 595         wxWindow *parent = GetParent();
 596         if ( parent )
 597         {
 598             ::BringWindowToTop(GetHwndOf(parent));
 599         }
 600     }
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // wxTopLevelWindowMSW showing
 605 // ----------------------------------------------------------------------------
 606
 607 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 608 {
 609     ::ShowWindow(GetHwnd(), nShowCmd);
 610
 611     m_iconized = nShowCmd == SW_MINIMIZE;
 612 }
 613
 614 void wxTopLevelWindowMSW::ShowWithoutActivating()
 615 {
 616     if ( !wxWindowBase::Show(true) )
 617         return;
 618
 619     DoShowWindow(SW_SHOWNA);
 620 }
 621
 622 bool wxTopLevelWindowMSW::Show(bool show)
 623 {
 624     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 625     if ( !wxWindowBase::Show(show) )
 626         return false;
 627
 628     int nShowCmd;
 629     if ( show )
 630     {
 631         if ( m_maximizeOnShow )
 632         {
 633             // show and maximize
 634             nShowCmd = SW_MAXIMIZE;
 635
 636             // This is necessary, or no window appears
 637 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 638             DoShowWindow(SW_SHOW);
 639 #endif
 640
 641             m_maximizeOnShow = false;
 642         }
 643         else if ( m_iconized )
 644         {
 645             // iconize and show
 646             nShowCmd = SW_MINIMIZE;
 647         }
 648         else // just show
 649         {
 650             // we shouldn't use SW_SHOW which also activates the window for
 651             // tool frames (as they shouldn't steal focus from the main window)
 652             // nor for the currently disabled windows as they would be enabled
 653             // as a side effect
 654             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 655                 nShowCmd = SW_SHOWNA;
 656             else
 657                 nShowCmd = SW_SHOW;
 658         }
 659     }
 660     else // hide
 661     {
 662         nShowCmd = SW_HIDE;
 663     }
 664
 665     DoShowWindow(nShowCmd);
 666
 667 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 668     // Addornments have to be added when the frame is the correct size
 669     wxFrame* frame = wxDynamicCast(this, wxFrame);
 670     if (frame && frame->GetMenuBar())
 671         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 672 #endif
 673
 674     // we only set pending size if we're maximized before being shown, now that
 675     // we're shown we don't need it any more (it is reset in size event handler
 676     // for child windows but we have to do it ourselves for this parent window)
 677     m_pendingSize = wxDefaultSize;
 678
 679     return true;
 680 }
 681
 682 // ----------------------------------------------------------------------------
 683 // wxTopLevelWindowMSW maximize/minimize
 684 // ----------------------------------------------------------------------------
 685
 686 void wxTopLevelWindowMSW::Maximize(bool maximize)
 687 {
 688     if ( IsShown() )
 689     {
 690         // just maximize it directly
 691         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 692     }
 693     else // hidden
 694     {
 695         // we can't maximize the hidden frame because it shows it as well,
 696         // so just remember that we should do it later in this case
 697         m_maximizeOnShow = maximize;
 698
 699         // after calling Maximize() the client code expects to get the frame
 700         // "real" size and doesn't want to know that, because of implementation
 701         // details, the frame isn't really maximized yet but will be only once
 702         // it's shown, so return our size as it will be then in this case
 703         if ( maximize )
 704         {
 705             // we must only change pending size here, and not call SetSize()
 706             // because otherwise Windows would think that this (full screen)
 707             // size is the natural size for the frame and so would use it when
 708             // the user clicks on "restore" title bar button instead of the
 709             // correct initial frame size
 710             //
 711             // NB: unfortunately we don't know which display we're on yet so we
 712             //     have to use the default one
 713             m_pendingSize = wxGetClientDisplayRect().GetSize();
 714         }
 715         //else: can't do anything in this case, we don't have the old size
 716     }
 717 }
 718
 719 bool wxTopLevelWindowMSW::IsMaximized() const
 720 {
 721     return IsAlwaysMaximized() ||
 722 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 723
 724            (::IsZoomed(GetHwnd()) != 0) ||
 725 #endif
 726            m_maximizeOnShow;
 727 }
 728
 729 void wxTopLevelWindowMSW::Iconize(bool iconize)
 730 {
 731     if ( IsShown() )
 732     {
 733         // change the window state immediately
 734         DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 735     }
 736     else // hidden
 737     {
 738         // iconizing the window shouldn't show it so just remember that we need
 739         // to become iconized when shown later
 740         m_iconized = true;
 741     }
 742 }
 743
 744 bool wxTopLevelWindowMSW::IsIconized() const
 745 {
 746 #ifdef __WXWINCE__
 747     return false;
 748 #else
 749     if ( !IsShown() )
 750         return m_iconized;
 751
 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(wxT("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(wxT("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 bool 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         return true;
 984     }
 985
 986     return false;
 987 }
 988
 989 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 990 {
 991     wxTopLevelWindowBase::SetIcons(icons);
 992
 993     if ( icons.IsEmpty() )
 994     {
 995         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
 996         //        but we currently don't do that
 997         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
 998         return;
 999     }
1000
1001     bool anySet =
1002         DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
1003     if ( DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
1004         anySet = true;
1005
1006     if ( !anySet )
1007     {
1008         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1009     }
1010 }
1011
1012 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1013 {
1014 #if !defined(__WXMICROWIN__)
1015     // get system (a.k.a. window) menu
1016     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1017     if ( !hmenu )
1018     {
1019         // no system menu at all -- ok if we want to remove the close button
1020         // anyhow, but bad if we want to show it
1021         return !enable;
1022     }
1023
1024     // enabling/disabling the close item from it also automatically
1025     // disables/enables the close title bar button
1026     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1027                           MF_BYCOMMAND |
1028                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1029     {
1030         wxLogLastError(wxT("EnableMenuItem(SC_CLOSE)"));
1031
1032         return false;
1033     }
1034 #ifndef __WXWINCE__
1035     // update appearance immediately
1036     if ( !::DrawMenuBar(GetHwnd()) )
1037     {
1038         wxLogLastError(wxT("DrawMenuBar"));
1039     }
1040 #endif
1041 #endif // !__WXMICROWIN__
1042
1043     return true;
1044 }
1045
1046 #ifndef __WXWINCE__
1047
1048 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1049 {
1050     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1051                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1052
1053     // The empty region signifies that the shape should be removed from the
1054     // window.
1055     if ( region.IsEmpty() )
1056     {
1057         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1058         {
1059             wxLogLastError(wxT("SetWindowRgn"));
1060             return false;
1061         }
1062         return true;
1063     }
1064
1065     // Windows takes ownership of the region, so
1066     // we'll have to make a copy of the region to give to it.
1067     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1068     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1069     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1070     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1071     delete[] (char*) rgnData;
1072
1073     // SetWindowRgn expects the region to be in coordinants
1074     // relative to the window, not the client area.  Figure
1075     // out the offset, if any.
1076     RECT rect;
1077     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1078     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1079     ::GetClientRect(GetHwnd(), &rect);
1080     ::AdjustWindowRectEx(&rect, dwStyle, ::GetMenu(GetHwnd()) != NULL, dwExStyle);
1081     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1082
1083     // Now call the shape API with the new region.
1084     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1085     {
1086         wxLogLastError(wxT("SetWindowRgn"));
1087         return false;
1088     }
1089     return true;
1090 }
1091
1092 #endif // !__WXWINCE__
1093
1094 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1095 {
1096     // check if we can use FlashWindowEx(): unfortunately a simple test for
1097     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1098     // provide FlashWindowEx() declaration, so try to detect whether we have
1099     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1100     // declated in MSVC6 header
1101 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1102     // available in the headers, check if it is supported by the system
1103     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1104     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1105     if ( !s_pfnFlashWindowEx )
1106     {
1107         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1108         s_pfnFlashWindowEx = (FlashWindowEx_t)
1109                                 dllUser32.GetSymbol(wxT("FlashWindowEx"));
1110
1111         // we can safely unload user32.dll here, it's going to remain loaded as
1112         // long as the program is running anyhow
1113     }
1114
1115     if ( s_pfnFlashWindowEx )
1116     {
1117         WinStruct<FLASHWINFO> fwi;
1118         fwi.hwnd = GetHwnd();
1119         fwi.dwFlags = FLASHW_ALL;
1120         if ( flags & wxUSER_ATTENTION_INFO )
1121         {
1122             // just flash a few times
1123             fwi.uCount = 3;
1124         }
1125         else // wxUSER_ATTENTION_ERROR
1126         {
1127             // flash until the user notices it
1128             fwi.dwFlags |= FLASHW_TIMERNOFG;
1129         }
1130
1131         s_pfnFlashWindowEx(&fwi);
1132     }
1133     else // FlashWindowEx() not available
1134 #endif // FlashWindowEx() defined
1135     {
1136         wxUnusedVar(flags);
1137 #ifndef __WXWINCE__
1138         ::FlashWindow(GetHwnd(), TRUE);
1139 #endif // __WXWINCE__
1140     }
1141 }
1142
1143 // ---------------------------------------------------------------------------
1144
1145 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1146 {
1147 #if wxUSE_DYNLIB_CLASS
1148     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1149     static PSETLAYEREDWINDOWATTR
1150         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1151
1152     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1153     {
1154         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1155
1156         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1157         // Windows 95: there is nothing the user can do about this anyhow
1158         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1159             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1160
1161         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1162         // anyhow so it won't be unloaded
1163     }
1164
1165     if ( !pSetLayeredWindowAttributes )
1166         return false;
1167 #endif // wxUSE_DYNLIB_CLASS
1168
1169     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1170
1171     // if setting alpha to fully opaque then turn off the layered style
1172     if (alpha == 255)
1173     {
1174         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1175         Refresh();
1176         return true;
1177     }
1178
1179 #if wxUSE_DYNLIB_CLASS
1180     // Otherwise, set the layered style if needed and set the alpha value
1181     if ((exstyle & WS_EX_LAYERED) == 0 )
1182         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1183
1184     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1185         return true;
1186 #endif // wxUSE_DYNLIB_CLASS
1187
1188     return false;
1189 }
1190
1191 bool wxTopLevelWindowMSW::CanSetTransparent()
1192 {
1193     // The API is available on win2k and above
1194
1195     static int os_type = -1;
1196     static int ver_major = -1;
1197
1198     if (os_type == -1)
1199         os_type = ::wxGetOsVersion(&ver_major);
1200
1201     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1202 }
1203
1204
1205 void wxTopLevelWindowMSW::DoFreeze()
1206 {
1207     // do nothing: freezing toplevel window causes paint and mouse events
1208     // to go through it any TLWs under it, so the best we can do is to freeze
1209     // all children -- and wxWindowBase::Freeze() does that
1210 }
1211
1212 void wxTopLevelWindowMSW::DoThaw()
1213 {
1214     // intentionally empty -- see DoFreeze()
1215 }
1216
1217
1218 // ----------------------------------------------------------------------------
1219 // wxTopLevelWindow event handling
1220 // ----------------------------------------------------------------------------
1221
1222 // Default activation behaviour - set the focus for the first child
1223 // subwindow found.
1224 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1225 {
1226     if ( event.GetActive() )
1227     {
1228         // restore focus to the child which was last focused unless we already
1229         // have it
1230         wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
1231
1232         wxWindow *winFocus = FindFocus();
1233         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1234         {
1235             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1236                                                 : NULL;
1237             if ( !parent )
1238             {
1239                 parent = this;
1240             }
1241
1242             wxSetFocusToChild(parent, &m_winLastFocused);
1243         }
1244     }
1245     else // deactivating
1246     {
1247         // remember the last focused child if it is our child
1248         m_winLastFocused = FindFocus();
1249
1250         if ( m_winLastFocused )
1251         {
1252             // let it know that it doesn't have focus any more
1253             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1254             // focus events if we call it explicitly.
1255             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1256
1257             // and don't remember it if it's a child from some other frame
1258             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1259             {
1260                 m_winLastFocused = NULL;
1261             }
1262         }
1263
1264         wxLogTrace(wxT("focus"),
1265                    wxT("wxTLW %p deactivated, last focused: %p."),
1266                    m_hWnd,
1267                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1268
1269         event.Skip();
1270     }
1271 }
1272
1273 // the DialogProc for all wxWidgets dialogs
1274 LONG APIENTRY _EXPORT
1275 wxDlgProc(HWND hDlg,
1276           UINT message,
1277           WPARAM WXUNUSED(wParam),
1278           LPARAM WXUNUSED(lParam))
1279 {
1280     switch ( message )
1281     {
1282         case WM_INITDIALOG:
1283         {
1284             // under CE, add a "Ok" button in the dialog title bar and make it full
1285             // screen
1286             //
1287             // TODO: find the window for this HWND, and take into account
1288             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1289             //
1290             // Standard SDK doesn't have aygshell.dll: see
1291             // include/wx/msw/wince/libraries.h
1292 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1293             SHINITDLGINFO shidi;
1294             shidi.dwMask = SHIDIM_FLAGS;
1295             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1296 #ifndef __SMARTPHONE__
1297                             | SHIDIF_DONEBUTTON
1298 #endif
1299                         ;
1300             shidi.hDlg = hDlg;
1301             SHInitDialog( &shidi );
1302 #else // no SHInitDialog()
1303             wxUnusedVar(hDlg);
1304 #endif
1305             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1306             // the first control in the dialog box, but as we set the focus
1307             // ourselves, we return FALSE for it as well
1308             return FALSE;
1309         }
1310     }
1311
1312     // for almost all messages, returning FALSE means that we didn't process
1313     // the message
1314     return FALSE;
1315 }
1316
1317 // ============================================================================
1318 // wxTLWHiddenParentModule implementation
1319 // ============================================================================
1320
1321 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1322
1323 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1324
1325 bool wxTLWHiddenParentModule::OnInit()
1326 {
1327     ms_hwnd = NULL;
1328     ms_className = NULL;
1329
1330     return true;
1331 }
1332
1333 void wxTLWHiddenParentModule::OnExit()
1334 {
1335     if ( ms_hwnd )
1336     {
1337         if ( !::DestroyWindow(ms_hwnd) )
1338         {
1339             wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
1340         }
1341
1342         ms_hwnd = NULL;
1343     }
1344
1345     if ( ms_className )
1346     {
1347         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1348         {
1349             wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
1350         }
1351
1352         ms_className = NULL;
1353     }
1354 }
1355
1356 /* static */
1357 HWND wxTLWHiddenParentModule::GetHWND()
1358 {
1359     if ( !ms_hwnd )
1360     {
1361         if ( !ms_className )
1362         {
1363             static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
1364
1365             WNDCLASS wndclass;
1366             wxZeroMemory(wndclass);
1367
1368             wndclass.lpfnWndProc   = DefWindowProc;
1369             wndclass.hInstance     = wxGetInstance();
1370             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1371
1372             if ( !::RegisterClass(&wndclass) )
1373             {
1374                 wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
1375             }
1376             else
1377             {
1378                 ms_className = HIDDEN_PARENT_CLASS;
1379             }
1380         }
1381
1382         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1383                                  (HMENU)NULL, wxGetInstance(), NULL);
1384         if ( !ms_hwnd )
1385         {
1386             wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
1387         }
1388     }
1389
1390     return ms_hwnd;
1391 }