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 extern const wxChar *wxCanvasClassName;
  87
  88 // ----------------------------------------------------------------------------
  89 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  90 // module to ensure that the window is always deleted)
  91 // ----------------------------------------------------------------------------
  92
  93 class wxTLWHiddenParentModule : public wxModule
  94 {
  95 public:
  96     // module init/finalize
  97     virtual bool OnInit();
  98     virtual void OnExit();
  99
 100     // get the hidden window (creates on demand)
 101     static HWND GetHWND();
 102
 103 private:
 104     // the HWND of the hidden parent
 105     static HWND ms_hwnd;
 106
 107     // the class used to create it
 108     static const wxChar *ms_className;
 109
 110     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 111 };
 112
 113 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 114
 115 // ============================================================================
 116 // wxTopLevelWindowMSW implementation
 117 // ============================================================================
 118
 119 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 120     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 121 END_EVENT_TABLE()
 122
 123 // ----------------------------------------------------------------------------
 124 // wxTopLevelWindowMSW creation
 125 // ----------------------------------------------------------------------------
 126
 127 void wxTopLevelWindowMSW::Init()
 128 {
 129     m_iconized =
 130     m_maximizeOnShow = false;
 131
 132     // Data to save/restore when calling ShowFullScreen
 133     m_fsStyle = 0;
 134     m_fsOldWindowStyle = 0;
 135     m_fsIsMaximized = false;
 136     m_fsIsShowing = false;
 137
 138     m_winLastFocused = (wxWindow *)NULL;
 139
 140 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 141     m_MenuBarHWND = 0;
 142 #endif
 143
 144 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 145     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 146     wxZeroMemory(*info);
 147     info->cbSize = sizeof(SHACTIVATEINFO);
 148
 149     m_activateInfo = (void*) info;
 150 #endif
 151 }
 152
 153 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 154 {
 155     // let the base class deal with the common styles but fix the ones which
 156     // don't make sense for us (we also deal with the borders ourselves)
 157     WXDWORD msflags = wxWindow::MSWGetStyle
 158                       (
 159                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 160                       ) & ~WS_CHILD & ~WS_VISIBLE;
 161
 162     // For some reason, WS_VISIBLE needs to be defined on creation for
 163     // SmartPhone 2003. The title can fail to be displayed otherwise.
 164 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 165     msflags |= WS_VISIBLE;
 166     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 167 #endif
 168
 169     // first select the kind of window being created
 170     //
 171     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 172     // creates a window with both caption and border, hence we need to use
 173     // WS_POPUP in a few cases just to avoid having caption/border which we
 174     // don't want
 175
 176     // border and caption styles
 177     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 178         msflags |= WS_THICKFRAME;
 179     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 180         *exflags |= WS_EX_DLGMODALFRAME;
 181     else if ( !(style & wxBORDER_NONE) )
 182         msflags |= WS_BORDER;
 183 #ifndef __POCKETPC__
 184     else
 185         msflags |= WS_POPUP;
 186 #endif
 187
 188     // normally we consider that all windows without a caption must be popups,
 189     // but CE is an exception: there windows normally do not have the caption
 190     // but shouldn't be made popups as popups can't have menus and don't look
 191     // like normal windows anyhow
 192
 193     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 194     // we need it.
 195 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 196     if ( style & wxCAPTION )
 197         msflags |= WS_CAPTION;
 198 #ifndef __WXWINCE__
 199     else
 200         msflags |= WS_POPUP;
 201 #endif // !__WXWINCE__
 202 #endif
 203
 204     // next translate the individual flags
 205
 206     // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
 207     // and is ignored if we specify both of them, but chances are that if we
 208     // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
 209     // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
 210     // takes precedence
 211     if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
 212     {
 213         if ( style & wxMINIMIZE_BOX )
 214             msflags |= WS_MINIMIZEBOX;
 215         if ( style & wxMAXIMIZE_BOX )
 216             msflags |= WS_MAXIMIZEBOX;
 217     }
 218
 219 #ifndef __WXWINCE__
 220     // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as
 221     // otherwise the close box doesn't appear
 222     if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) )
 223         msflags |= WS_SYSMENU;
 224 #endif // !__WXWINCE__
 225
 226     // NB: under CE these 2 styles are not supported currently, we should
 227     //     call Minimize()/Maximize() "manually" if we want to support them
 228     if ( style & wxMINIMIZE )
 229         msflags |= WS_MINIMIZE;
 230
 231     if ( style & wxMAXIMIZE )
 232         msflags |= WS_MAXIMIZE;
 233
 234     // Keep this here because it saves recoding this function in wxTinyFrame
 235     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 236         msflags |= WS_CAPTION;
 237
 238     if ( exflags )
 239     {
 240         // there is no taskbar under CE, so omit all this
 241 #if !defined(__WXWINCE__)
 242         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 243         {
 244             if ( style & wxFRAME_TOOL_WINDOW )
 245             {
 246                 // create the palette-like window
 247                 *exflags |= WS_EX_TOOLWINDOW;
 248
 249                 // tool windows shouldn't appear on the taskbar (as documented)
 250                 style |= wxFRAME_NO_TASKBAR;
 251             }
 252
 253             // We have to solve 2 different problems here:
 254             //
 255             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 256             //    taskbar even if they don't have a parent
 257             //
 258             // 2. frames without this style should appear in the taskbar even
 259             //    if they're owned (Windows only puts non owned windows into
 260             //    the taskbar normally)
 261             //
 262             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 263             // first one is dealt with in our MSWGetParent() method
 264             // implementation
 265             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 266             {
 267                 // need to force the frame to appear in the taskbar
 268                 *exflags |= WS_EX_APPWINDOW;
 269             }
 270             //else: nothing to do [here]
 271         }
 272
 273         if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
 274             *exflags |= WS_EX_CONTEXTHELP;
 275 #endif // !__WXWINCE__
 276
 277         if ( style & wxSTAY_ON_TOP )
 278             *exflags |= WS_EX_TOPMOST;
 279     }
 280
 281     return msflags;
 282 }
 283
 284 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 285 {
 286     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 287     // parent HWND or it would be always on top of its parent which is not what
 288     // we usually want (in fact, we only want it for frames with the
 289     // wxFRAME_FLOAT_ON_PARENT flag)
 290     HWND hwndParent = NULL;
 291     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 292     {
 293         const wxWindow *parent = GetParent();
 294
 295         if ( !parent )
 296         {
 297             // this flag doesn't make sense then and will be ignored
 298             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 299         }
 300         else
 301         {
 302             hwndParent = GetHwndOf(parent);
 303         }
 304     }
 305     //else: don't float on parent, must not be owned
 306
 307     // now deal with the 2nd taskbar-related problem (see comments above in
 308     // MSWGetStyle())
 309     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 310     {
 311         // use hidden parent
 312         hwndParent = wxTLWHiddenParentModule::GetHWND();
 313     }
 314
 315     return (WXHWND)hwndParent;
 316 }
 317
 318 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 319 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 320 {
 321     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 322     if ( info )
 323     {
 324         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 325     }
 326
 327     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 328 }
 329 #endif
 330
 331 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 332 {
 333     WXLRESULT rc = 0;
 334     bool processed = false;
 335
 336 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 337     switch ( message )
 338     {
 339         case WM_ACTIVATE:
 340         {
 341             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 342             if (info)
 343             {
 344                 DWORD flags = 0;
 345                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 346                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 347             }
 348
 349             // This implicitly sends a wxEVT_ACTIVATE_APP event
 350             if (wxTheApp)
 351                 wxTheApp->SetActive(wParam != 0, FindFocus());
 352
 353             break;
 354         }
 355         case WM_HIBERNATE:
 356         {
 357             if (wxTheApp)
 358             {
 359                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 360                 event.SetEventObject(wxTheApp);
 361                 processed = wxTheApp->ProcessEvent(event);
 362             }
 363             break;
 364         }
 365     }
 366 #endif
 367
 368     if ( !processed )
 369         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 370
 371     return rc;
 372 }
 373
 374 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 375                                        const wxString& title,
 376                                        const wxPoint& pos,
 377                                        const wxSize& size)
 378 {
 379 #ifdef __WXMICROWIN__
 380     // no dialogs support under MicroWin yet
 381     return CreateFrame(title, pos, size);
 382 #else // !__WXMICROWIN__
 383     wxWindow *parent = GetParent();
 384
 385     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 386     // app window as parent - this avoids creating modal dialogs without
 387     // parent
 388     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 389     {
 390         parent = wxTheApp->GetTopWindow();
 391
 392         if ( parent )
 393         {
 394             // don't use transient windows as parents, this is dangerous as it
 395             // can lead to a crash if the parent is destroyed before the child
 396             //
 397             // also don't use the window which is currently hidden as then the
 398             // dialog would be hidden as well
 399             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 400                     !parent->IsShown() )
 401             {
 402                 parent = NULL;
 403             }
 404         }
 405     }
 406
 407     m_hWnd = (WXHWND)::CreateDialogIndirect
 408                        (
 409                         wxGetInstance(),
 410                         (DLGTEMPLATE*)dlgTemplate,
 411                         parent ? GetHwndOf(parent) : NULL,
 412                         (DLGPROC)wxDlgProc
 413                        );
 414
 415     if ( !m_hWnd )
 416     {
 417         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 418
 419         wxLogSysError(wxT("Can't create dialog using memory template"));
 420
 421         return false;
 422     }
 423
 424 #if !defined(__WXWINCE__)
 425     // For some reason, the system menu is activated when we use the
 426     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 427     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 428     {
 429         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 430         if ( winTop )
 431         {
 432             wxIcon icon = winTop->GetIcon();
 433             if ( icon.Ok() )
 434             {
 435                 ::SendMessage(GetHwnd(), WM_SETICON,
 436                               (WPARAM)TRUE,
 437                               (LPARAM)GetHiconOf(icon));
 438             }
 439         }
 440     }
 441 #endif // !__WXWINCE__
 442
 443     // move the dialog to its initial position without forcing repainting
 444     int x, y, w, h;
 445     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 446
 447     if ( x == (int)CW_USEDEFAULT )
 448     {
 449         // centre it on the screen - what else can we do?
 450         wxSize sizeDpy = wxGetDisplaySize();
 451
 452         x = (sizeDpy.x - w) / 2;
 453         y = (sizeDpy.y - h) / 2;
 454     }
 455
 456 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 457     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 458     {
 459         wxLogLastError(wxT("MoveWindow"));
 460     }
 461 #endif
 462
 463     if ( !title.empty() )
 464     {
 465         ::SetWindowText(GetHwnd(), title.wx_str());
 466     }
 467
 468     SubclassWin(m_hWnd);
 469
 470 #ifdef __SMARTPHONE__
 471     // Work around title non-display glitch
 472     Show(false);
 473 #endif
 474
 475     return true;
 476 #endif // __WXMICROWIN__/!__WXMICROWIN__
 477 }
 478
 479 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 480                                       const wxPoint& pos,
 481                                       const wxSize& size)
 482 {
 483     WXDWORD exflags;
 484     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 485
 486     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 487
 488 #ifndef __WXWINCE__
 489     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 490         exflags |= WS_EX_LAYOUTRTL;
 491 #endif
 492
 493     return MSWCreate(wxCanvasClassName, title.wx_str(), pos, sz, flags, exflags);
 494 }
 495
 496 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 497                                  wxWindowID id,
 498                                  const wxString& title,
 499                                  const wxPoint& pos,
 500                                  const wxSize& size,
 501                                  long style,
 502                                  const wxString& name)
 503 {
 504     bool ret wxDUMMY_INITIALIZE(false);
 505
 506     wxSize sizeReal = size;
 507     if ( !sizeReal.IsFullySpecified() )
 508     {
 509         sizeReal.SetDefaults(GetDefaultSize());
 510     }
 511
 512     m_windowStyle = style;
 513
 514     SetName(name);
 515
 516     m_windowId = id == wxID_ANY ? NewControlId() : id;
 517
 518     wxTopLevelWindows.Append(this);
 519
 520     if ( parent )
 521         parent->AddChild(this);
 522
 523     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 524     {
 525         // we have different dialog templates to allows creation of dialogs
 526         // with & without captions under MSWindows, resizeable or not (but a
 527         // resizeable dialog always has caption - otherwise it would look too
 528         // strange)
 529
 530         // we need 3 additional WORDs for dialog menu, class and title (as we
 531         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 532         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 533         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 534         memset(dlgTemplate, 0, dlgsize);
 535
 536         // these values are arbitrary, they won't be used normally anyhow
 537         dlgTemplate->x  = 34;
 538         dlgTemplate->y  = 22;
 539         dlgTemplate->cx = 144;
 540         dlgTemplate->cy = 75;
 541
 542         // reuse the code in MSWGetStyle() but correct the results slightly for
 543         // the dialog
 544         //
 545         // NB: we need a temporary variable as we can't pass pointer to
 546         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 547         //     architectures
 548         WXDWORD dwExtendedStyle;
 549         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 550         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 551
 552         // all dialogs are popups
 553         dlgTemplate->style |= WS_POPUP;
 554
 555 #ifndef __WXWINCE__
 556         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 557         {
 558             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 559         }
 560
 561         // force 3D-look if necessary, it looks impossibly ugly otherwise
 562         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 563             dlgTemplate->style |= DS_MODALFRAME;
 564 #endif
 565
 566         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 567         free(dlgTemplate);
 568     }
 569     else // !dialog
 570     {
 571         ret = CreateFrame(title, pos, sizeReal);
 572     }
 573
 574 #ifndef __WXWINCE__
 575     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 576     {
 577         EnableCloseButton(false);
 578     }
 579 #endif
 580
 581     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 582     // itself but for custom windows we have to do it ourselves in order to
 583     // make the keyboard indicators (such as underlines for accelerators and
 584     // focus rectangles) work under Win2k+
 585     if ( ret )
 586     {
 587         MSWUpdateUIState(UIS_INITIALIZE);
 588     }
 589
 590     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 591     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 592 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 593     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 594     {
 595         this->Maximize();
 596     }
 597 #endif
 598
 599 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 600     SetRightMenu(); // to nothing for initialization
 601 #endif
 602
 603     return ret;
 604 }
 605
 606 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 607 {
 608 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 609     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 610     delete info;
 611     m_activateInfo = NULL;
 612 #endif
 613
 614     // after destroying an owned window, Windows activates the next top level
 615     // window in Z order but it may be different from our owner (to reproduce
 616     // this simply Alt-TAB to another application and back before closing the
 617     // owned frame) whereas we always want to yield activation to our parent
 618     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 619     {
 620         wxWindow *parent = GetParent();
 621         if ( parent )
 622         {
 623             ::BringWindowToTop(GetHwndOf(parent));
 624         }
 625     }
 626 }
 627
 628 // ----------------------------------------------------------------------------
 629 // wxTopLevelWindowMSW showing
 630 // ----------------------------------------------------------------------------
 631
 632 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 633 {
 634     ::ShowWindow(GetHwnd(), nShowCmd);
 635
 636     m_iconized = nShowCmd == SW_MINIMIZE;
 637 }
 638
 639 bool wxTopLevelWindowMSW::Show(bool show)
 640 {
 641     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 642     if ( !wxWindowBase::Show(show) )
 643         return false;
 644
 645     int nShowCmd;
 646     if ( show )
 647     {
 648         if ( m_maximizeOnShow )
 649         {
 650             // show and maximize
 651             nShowCmd = SW_MAXIMIZE;
 652
 653             // This is necessary, or no window appears
 654 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 655             DoShowWindow(SW_SHOW);
 656 #endif
 657
 658             m_maximizeOnShow = false;
 659         }
 660         else // just show
 661         {
 662             // we shouldn't use SW_SHOW which also activates the window for
 663             // tool frames (as they shouldn't steal focus from the main window)
 664             // nor for the currently disabled windows as they would be enabled
 665             // as a side effect
 666             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 667                 nShowCmd = SW_SHOWNA;
 668             else
 669                 nShowCmd = SW_SHOW;
 670         }
 671     }
 672     else // hide
 673     {
 674         nShowCmd = SW_HIDE;
 675     }
 676
 677     DoShowWindow(nShowCmd);
 678
 679 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 680     // Addornments have to be added when the frame is the correct size
 681     wxFrame* frame = wxDynamicCast(this, wxFrame);
 682     if (frame && frame->GetMenuBar())
 683         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 684 #endif
 685
 686     // we only set pending size if we're maximized before being shown, now that
 687     // we're shown we don't need it any more (it is reset in size event handler
 688     // for child windows but we have to do it ourselves for this parent window)
 689     m_pendingSize = wxDefaultSize;
 690
 691     return true;
 692 }
 693
 694 // ----------------------------------------------------------------------------
 695 // wxTopLevelWindowMSW maximize/minimize
 696 // ----------------------------------------------------------------------------
 697
 698 void wxTopLevelWindowMSW::Maximize(bool maximize)
 699 {
 700     if ( IsShown() )
 701     {
 702         // just maximize it directly
 703         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 704     }
 705     else // hidden
 706     {
 707         // we can't maximize the hidden frame because it shows it as well,
 708         // so just remember that we should do it later in this case
 709         m_maximizeOnShow = maximize;
 710
 711         // after calling Maximize() the client code expects to get the frame
 712         // "real" size and doesn't want to know that, because of implementation
 713         // details, the frame isn't really maximized yet but will be only once
 714         // it's shown, so return our size as it will be then in this case
 715         if ( maximize )
 716         {
 717             // we must only change pending size here, and not call SetSize()
 718             // because otherwise Windows would think that this (full screen)
 719             // size is the natural size for the frame and so would use it when
 720             // the user clicks on "restore" title bar button instead of the
 721             // correct initial frame size
 722             //
 723             // NB: unfortunately we don't know which display we're on yet so we
 724             //     have to use the default one
 725             m_pendingSize = wxGetClientDisplayRect().GetSize();
 726         }
 727         //else: can't do anything in this case, we don't have the old size
 728     }
 729 }
 730
 731 bool wxTopLevelWindowMSW::IsMaximized() const
 732 {
 733     return IsAlwaysMaximized() ||
 734 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 735
 736            (::IsZoomed(GetHwnd()) != 0) ||
 737 #endif
 738            m_maximizeOnShow;
 739 }
 740
 741 void wxTopLevelWindowMSW::Iconize(bool iconize)
 742 {
 743     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 744 }
 745
 746 bool wxTopLevelWindowMSW::IsIconized() const
 747 {
 748 #ifdef __WXWINCE__
 749     return false;
 750 #else
 751     // don't use m_iconized, it may be briefly out of sync with the real state
 752     // as it's only modified when we receive a WM_SIZE and we could be called
 753     // from an event handler from one of the messages we receive before it,
 754     // such as WM_MOVE
 755     return ::IsIconic(GetHwnd()) != 0;
 756 #endif
 757 }
 758
 759 void wxTopLevelWindowMSW::Restore()
 760 {
 761     DoShowWindow(SW_RESTORE);
 762 }
 763
 764 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 765 {
 766     if ( dir == wxLayout_Default )
 767         dir = wxTheApp->GetLayoutDirection();
 768
 769     if ( dir != wxLayout_Default )
 770         wxTopLevelWindowBase::SetLayoutDirection(dir);
 771 }
 772
 773 // ----------------------------------------------------------------------------
 774 // wxTopLevelWindowMSW geometry
 775 // ----------------------------------------------------------------------------
 776
 777 #ifndef __WXWINCE__
 778
 779 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 780 {
 781     if ( IsIconized() )
 782     {
 783         WINDOWPLACEMENT wp;
 784         wp.length = sizeof(WINDOWPLACEMENT);
 785         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 786         {
 787             RECT& rc = wp.rcNormalPosition;
 788
 789             // the position returned by GetWindowPlacement() is in workspace
 790             // coordinates except for windows with WS_EX_TOOLWINDOW style
 791             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 792             {
 793                 // we must use the correct display for the translation as the
 794                 // task bar might be shown on one display but not the other one
 795                 int n = wxDisplay::GetFromWindow(this);
 796                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 797                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 798                                       dpy.GetGeometry().GetPosition();
 799
 800                 rc.left += ptOfs.x;
 801                 rc.top += ptOfs.y;
 802             }
 803
 804             if ( x )
 805                 *x = rc.left;
 806             if ( y )
 807                 *y = rc.top;
 808
 809             return;
 810         }
 811
 812         wxLogLastError(_T("GetWindowPlacement"));
 813     }
 814     //else: normal case
 815
 816     wxTopLevelWindowBase::DoGetPosition(x, y);
 817 }
 818
 819 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 820 {
 821     if ( IsIconized() )
 822     {
 823         WINDOWPLACEMENT wp;
 824         wp.length = sizeof(WINDOWPLACEMENT);
 825         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 826         {
 827             const RECT& rc = wp.rcNormalPosition;
 828
 829             if ( width )
 830                 *width = rc.right - rc.left;
 831             if ( height )
 832                 *height = rc.bottom - rc.top;
 833
 834             return;
 835         }
 836
 837         wxLogLastError(_T("GetWindowPlacement"));
 838     }
 839     //else: normal case
 840
 841     wxTopLevelWindowBase::DoGetSize(width, height);
 842 }
 843
 844 #endif // __WXWINCE__
 845
 846 // ----------------------------------------------------------------------------
 847 // wxTopLevelWindowMSW fullscreen
 848 // ----------------------------------------------------------------------------
 849
 850 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 851 {
 852     if ( show == IsFullScreen() )
 853     {
 854         // nothing to do
 855         return true;
 856     }
 857
 858     m_fsIsShowing = show;
 859
 860     if ( show )
 861     {
 862         m_fsStyle = style;
 863
 864         // zap the frame borders
 865
 866         // save the 'normal' window style
 867         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 868
 869         // save the old position, width & height, maximize state
 870         m_fsOldSize = GetRect();
 871         m_fsIsMaximized = IsMaximized();
 872
 873         // decide which window style flags to turn off
 874         LONG newStyle = m_fsOldWindowStyle;
 875         LONG offFlags = 0;
 876
 877         if (style & wxFULLSCREEN_NOBORDER)
 878         {
 879             offFlags |= WS_BORDER;
 880 #ifndef __WXWINCE__
 881             offFlags |= WS_THICKFRAME;
 882 #endif
 883         }
 884         if (style & wxFULLSCREEN_NOCAPTION)
 885             offFlags |= WS_CAPTION | WS_SYSMENU;
 886
 887         newStyle &= ~offFlags;
 888
 889         // change our window style to be compatible with full-screen mode
 890         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 891
 892         wxRect rect;
 893 #if wxUSE_DISPLAY
 894         // resize to the size of the display containing us
 895         int dpy = wxDisplay::GetFromWindow(this);
 896         if ( dpy != wxNOT_FOUND )
 897         {
 898             rect = wxDisplay(dpy).GetGeometry();
 899         }
 900         else // fall back to the main desktop
 901 #endif // wxUSE_DISPLAY
 902         {
 903             // resize to the size of the desktop
 904             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 905 #ifdef __WXWINCE__
 906             // FIXME: size of the bottom menu (toolbar)
 907             // should be taken in account
 908             rect.height += rect.y;
 909             rect.y       = 0;
 910 #endif
 911         }
 912
 913         SetSize(rect);
 914
 915         // now flush the window style cache and actually go full-screen
 916         long flags = SWP_FRAMECHANGED;
 917
 918         // showing the frame full screen should also show it if it's still
 919         // hidden
 920         if ( !IsShown() )
 921         {
 922             // don't call wxWindow version to avoid flicker from calling
 923             // ::ShowWindow() -- we're going to show the window at the correct
 924             // location directly below -- but do call the wxWindowBase version
 925             // to sync the internal m_isShown flag
 926             wxWindowBase::Show();
 927
 928             flags |= SWP_SHOWWINDOW;
 929         }
 930
 931         SetWindowPos(GetHwnd(), HWND_TOP,
 932                      rect.x, rect.y, rect.width, rect.height,
 933                      flags);
 934
 935 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 936         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 937 #endif
 938
 939         // finally send an event allowing the window to relayout itself &c
 940         wxSizeEvent event(rect.GetSize(), GetId());
 941         HandleWindowEvent(event);
 942     }
 943     else // stop showing full screen
 944     {
 945 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 946         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 947 #endif
 948         Maximize(m_fsIsMaximized);
 949         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 950         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 951             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 952     }
 953
 954     return true;
 955 }
 956
 957 // ----------------------------------------------------------------------------
 958 // wxTopLevelWindowMSW misc
 959 // ----------------------------------------------------------------------------
 960
 961 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 962 {
 963     SetLabel(title);
 964 }
 965
 966 wxString wxTopLevelWindowMSW::GetTitle() const
 967 {
 968     return GetLabel();
 969 }
 970
 971 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
 972                                              int smX,
 973                                              int smY,
 974                                              int i)
 975 {
 976     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
 977
 978     const wxIcon icon = icons.GetIconOfExactSize(size);
 979     if ( icon.Ok() )
 980     {
 981         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
 982         return true;
 983     }
 984
 985     return false;
 986 }
 987
 988 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 989 {
 990     wxTopLevelWindowBase::SetIcons(icons);
 991
 992     if ( icons.IsEmpty() )
 993     {
 994         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
 995         //        but we currently don't do that
 996         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
 997         return;
 998     }
 999
1000     if ( !DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL) &&
1001             !DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
1002     {
1003         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1004     }
1005 }
1006
1007 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1008 {
1009 #if !defined(__WXMICROWIN__)
1010     // get system (a.k.a. window) menu
1011     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1012     if ( !hmenu )
1013     {
1014         // no system menu at all -- ok if we want to remove the close button
1015         // anyhow, but bad if we want to show it
1016         return !enable;
1017     }
1018
1019     // enabling/disabling the close item from it also automatically
1020     // disables/enables the close title bar button
1021     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1022                           MF_BYCOMMAND |
1023                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1024     {
1025         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
1026
1027         return false;
1028     }
1029 #ifndef __WXWINCE__
1030     // update appearance immediately
1031     if ( !::DrawMenuBar(GetHwnd()) )
1032     {
1033         wxLogLastError(_T("DrawMenuBar"));
1034     }
1035 #endif
1036 #endif // !__WXMICROWIN__
1037
1038     return true;
1039 }
1040
1041 #ifndef __WXWINCE__
1042
1043 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1044 {
1045     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1046                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1047
1048     // The empty region signifies that the shape should be removed from the
1049     // window.
1050     if ( region.IsEmpty() )
1051     {
1052         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1053         {
1054             wxLogLastError(_T("SetWindowRgn"));
1055             return false;
1056         }
1057         return true;
1058     }
1059
1060     // Windows takes ownership of the region, so
1061     // we'll have to make a copy of the region to give to it.
1062     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1063     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1064     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1065     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1066     delete[] (char*) rgnData;
1067
1068     // SetWindowRgn expects the region to be in coordinants
1069     // relative to the window, not the client area.  Figure
1070     // out the offset, if any.
1071     RECT rect;
1072     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1073     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1074     ::GetClientRect(GetHwnd(), &rect);
1075     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
1076     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1077
1078     // Now call the shape API with the new region.
1079     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1080     {
1081         wxLogLastError(_T("SetWindowRgn"));
1082         return false;
1083     }
1084     return true;
1085 }
1086
1087 #endif // !__WXWINCE__
1088
1089 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1090 {
1091     // check if we can use FlashWindowEx(): unfortunately a simple test for
1092     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1093     // provide FlashWindowEx() declaration, so try to detect whether we have
1094     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1095     // declated in MSVC6 header
1096 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1097     // available in the headers, check if it is supported by the system
1098     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1099     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1100     if ( !s_pfnFlashWindowEx )
1101     {
1102         wxDynamicLibrary dllUser32(_T("user32.dll"));
1103         s_pfnFlashWindowEx = (FlashWindowEx_t)
1104                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1105
1106         // we can safely unload user32.dll here, it's going to remain loaded as
1107         // long as the program is running anyhow
1108     }
1109
1110     if ( s_pfnFlashWindowEx )
1111     {
1112         WinStruct<FLASHWINFO> fwi;
1113         fwi.hwnd = GetHwnd();
1114         fwi.dwFlags = FLASHW_ALL;
1115         if ( flags & wxUSER_ATTENTION_INFO )
1116         {
1117             // just flash a few times
1118             fwi.uCount = 3;
1119         }
1120         else // wxUSER_ATTENTION_ERROR
1121         {
1122             // flash until the user notices it
1123             fwi.dwFlags |= FLASHW_TIMERNOFG;
1124         }
1125
1126         s_pfnFlashWindowEx(&fwi);
1127     }
1128     else // FlashWindowEx() not available
1129 #endif // FlashWindowEx() defined
1130     {
1131         wxUnusedVar(flags);
1132 #ifndef __WXWINCE__
1133         ::FlashWindow(GetHwnd(), TRUE);
1134 #endif // __WXWINCE__
1135     }
1136 }
1137
1138 // ---------------------------------------------------------------------------
1139
1140 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1141 {
1142 #if wxUSE_DYNLIB_CLASS
1143     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1144     static PSETLAYEREDWINDOWATTR
1145         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1146
1147     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1148     {
1149         wxDynamicLibrary dllUser32(_T("user32.dll"));
1150
1151         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1152         // Windows 95: there is nothing the user can do about this anyhow
1153         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1154             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1155
1156         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1157         // anyhow so it won't be unloaded
1158     }
1159
1160     if ( !pSetLayeredWindowAttributes )
1161         return false;
1162 #endif // wxUSE_DYNLIB_CLASS
1163
1164     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1165
1166     // if setting alpha to fully opaque then turn off the layered style
1167     if (alpha == 255)
1168     {
1169         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1170         Refresh();
1171         return true;
1172     }
1173
1174 #if wxUSE_DYNLIB_CLASS
1175     // Otherwise, set the layered style if needed and set the alpha value
1176     if ((exstyle & WS_EX_LAYERED) == 0 )
1177         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1178
1179     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1180         return true;
1181 #endif // wxUSE_DYNLIB_CLASS
1182
1183     return false;
1184 }
1185
1186 bool wxTopLevelWindowMSW::CanSetTransparent()
1187 {
1188     // The API is available on win2k and above
1189
1190     static int os_type = -1;
1191     static int ver_major = -1;
1192
1193     if (os_type == -1)
1194         os_type = ::wxGetOsVersion(&ver_major);
1195
1196     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1197 }
1198
1199
1200 void wxTopLevelWindowMSW::DoFreeze()
1201 {
1202     // do nothing: freezing toplevel window causes paint and mouse events
1203     // to go through it any TLWs under it, so the best we can do is to freeze
1204     // all children -- and wxWindowBase::Freeze() does that
1205 }
1206
1207 void wxTopLevelWindowMSW::DoThaw()
1208 {
1209     // intentionally empty -- see DoFreeze()
1210 }
1211
1212
1213 // ----------------------------------------------------------------------------
1214 // wxTopLevelWindow event handling
1215 // ----------------------------------------------------------------------------
1216
1217 // Default activation behaviour - set the focus for the first child
1218 // subwindow found.
1219 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1220 {
1221     if ( event.GetActive() )
1222     {
1223         // restore focus to the child which was last focused unless we already
1224         // have it
1225         wxLogTrace(_T("focus"), _T("wxTLW %p activated."), m_hWnd);
1226
1227         wxWindow *winFocus = FindFocus();
1228         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1229         {
1230             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1231                                                 : NULL;
1232             if ( !parent )
1233             {
1234                 parent = this;
1235             }
1236
1237             wxSetFocusToChild(parent, &m_winLastFocused);
1238         }
1239     }
1240     else // deactivating
1241     {
1242         // remember the last focused child if it is our child
1243         m_winLastFocused = FindFocus();
1244
1245         if ( m_winLastFocused )
1246         {
1247             // let it know that it doesn't have focus any more
1248             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1249             // focus events if we call it explicitly.
1250             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1251
1252             // and don't remember it if it's a child from some other frame
1253             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1254             {
1255                 m_winLastFocused = NULL;
1256             }
1257         }
1258
1259         wxLogTrace(_T("focus"),
1260                    _T("wxTLW %p deactivated, last focused: %p."),
1261                    m_hWnd,
1262                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1263
1264         event.Skip();
1265     }
1266 }
1267
1268 // the DialogProc for all wxWidgets dialogs
1269 LONG APIENTRY _EXPORT
1270 wxDlgProc(HWND hDlg,
1271           UINT message,
1272           WPARAM WXUNUSED(wParam),
1273           LPARAM WXUNUSED(lParam))
1274 {
1275     switch ( message )
1276     {
1277         case WM_INITDIALOG:
1278         {
1279             // under CE, add a "Ok" button in the dialog title bar and make it full
1280             // screen
1281             //
1282             // TODO: find the window for this HWND, and take into account
1283             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1284             //
1285             // Standard SDK doesn't have aygshell.dll: see
1286             // include/wx/msw/wince/libraries.h
1287 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1288             SHINITDLGINFO shidi;
1289             shidi.dwMask = SHIDIM_FLAGS;
1290             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1291 #ifndef __SMARTPHONE__
1292                             | SHIDIF_DONEBUTTON
1293 #endif
1294                         ;
1295             shidi.hDlg = hDlg;
1296             SHInitDialog( &shidi );
1297 #else // no SHInitDialog()
1298             wxUnusedVar(hDlg);
1299 #endif
1300             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1301             // the first control in the dialog box, but as we set the focus
1302             // ourselves, we return FALSE for it as well
1303             return FALSE;
1304         }
1305     }
1306
1307     // for almost all messages, returning FALSE means that we didn't process
1308     // the message
1309     return FALSE;
1310 }
1311
1312 // ============================================================================
1313 // wxTLWHiddenParentModule implementation
1314 // ============================================================================
1315
1316 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1317
1318 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1319
1320 bool wxTLWHiddenParentModule::OnInit()
1321 {
1322     ms_hwnd = NULL;
1323     ms_className = NULL;
1324
1325     return true;
1326 }
1327
1328 void wxTLWHiddenParentModule::OnExit()
1329 {
1330     if ( ms_hwnd )
1331     {
1332         if ( !::DestroyWindow(ms_hwnd) )
1333         {
1334             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1335         }
1336
1337         ms_hwnd = NULL;
1338     }
1339
1340     if ( ms_className )
1341     {
1342         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1343         {
1344             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1345         }
1346
1347         ms_className = NULL;
1348     }
1349 }
1350
1351 /* static */
1352 HWND wxTLWHiddenParentModule::GetHWND()
1353 {
1354     if ( !ms_hwnd )
1355     {
1356         if ( !ms_className )
1357         {
1358             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1359
1360             WNDCLASS wndclass;
1361             wxZeroMemory(wndclass);
1362
1363             wndclass.lpfnWndProc   = DefWindowProc;
1364             wndclass.hInstance     = wxGetInstance();
1365             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1366
1367             if ( !::RegisterClass(&wndclass) )
1368             {
1369                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1370             }
1371             else
1372             {
1373                 ms_className = HIDDEN_PARENT_CLASS;
1374             }
1375         }
1376
1377         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1378                                  (HMENU)NULL, wxGetInstance(), NULL);
1379         if ( !ms_hwnd )
1380         {
1381             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1382         }
1383     }
1384
1385     return ms_hwnd;
1386 }