src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37     #include "wx/frame.h"
  38     #include "wx/containr.h"        // wxSetFocusToChild()
  39 #endif //WX_PRECOMP
  40
  41 #include "wx/module.h"
  42
  43 #include "wx/msw/private.h"
  44 #if defined(__WXWINCE__)
  45   #include <ole2.h>
  46   #include <shellapi.h>
  47   #if _WIN32_WCE < 400
  48     #include <aygshell.h>
  49   #endif
  50 #include "wx/msw/wince/missing.h"
  51 #endif
  52
  53 #include "wx/msw/missing.h"
  54 #include "wx/msw/winundef.h"
  55
  56 #include "wx/display.h"
  57
  58 #ifndef ICON_BIG
  59     #define ICON_BIG 1
  60 #endif
  61
  62 #ifndef ICON_SMALL
  63     #define ICON_SMALL 0
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // stubs for missing functions under MicroWindows
  68 // ----------------------------------------------------------------------------
  69
  70 #ifdef __WXMICROWIN__
  71
  72 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  73 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  74
  75 #endif // __WXMICROWIN__
  76
  77 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  78 //     is not included by wxUniv build which does need wxDlgProc
  79 LONG APIENTRY _EXPORT
  80 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  81
  82 // ----------------------------------------------------------------------------
  83 // globals
  84 // ----------------------------------------------------------------------------
  85
  86 // list of all frames and modeless dialogs
  87 wxWindowList wxModelessWindows;
  88
  89 // the name of the default wxWindows class
  90 extern const wxChar *wxCanvasClassName;
  91
  92 // ----------------------------------------------------------------------------
  93 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  94 // module to ensure that the window is always deleted)
  95 // ----------------------------------------------------------------------------
  96
  97 class wxTLWHiddenParentModule : public wxModule
  98 {
  99 public:
 100     // module init/finalize
 101     virtual bool OnInit();
 102     virtual void OnExit();
 103
 104     // get the hidden window (creates on demand)
 105     static HWND GetHWND();
 106
 107 private:
 108     // the HWND of the hidden parent
 109     static HWND ms_hwnd;
 110
 111     // the class used to create it
 112     static const wxChar *ms_className;
 113
 114     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 115 };
 116
 117 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 118
 119 // ============================================================================
 120 // wxTopLevelWindowMSW implementation
 121 // ============================================================================
 122
 123 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 124     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 125 END_EVENT_TABLE()
 126
 127 // ----------------------------------------------------------------------------
 128 // wxTopLevelWindowMSW creation
 129 // ----------------------------------------------------------------------------
 130
 131 void wxTopLevelWindowMSW::Init()
 132 {
 133     m_iconized =
 134     m_maximizeOnShow = FALSE;
 135
 136     // Data to save/restore when calling ShowFullScreen
 137     m_fsStyle = 0;
 138     m_fsOldWindowStyle = 0;
 139     m_fsIsMaximized = FALSE;
 140     m_fsIsShowing = FALSE;
 141
 142     m_winLastFocused = (wxWindow *)NULL;
 143 }
 144
 145 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 146 {
 147     // let the base class deal with the common styles but fix the ones which
 148     // don't make sense for us (we also deal with the borders ourselves)
 149     WXDWORD msflags = wxWindow::MSWGetStyle
 150                       (
 151                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 152                       ) & ~WS_CHILD & ~WS_VISIBLE;
 153
 154     // first select the kind of window being created
 155     //
 156     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 157     // creates a window with both caption and border, hence we also test it
 158     // below in some other cases
 159     if ( style & wxFRAME_TOOL_WINDOW )
 160         msflags |= WS_POPUP;
 161     else
 162     {
 163         if (msflags & WS_BORDER)
 164             msflags |= WS_OVERLAPPED;
 165     }
 166
 167     // border and caption styles
 168     if ( style & wxRESIZE_BORDER )
 169         msflags |= WS_THICKFRAME;
 170     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 171         *exflags |= WS_EX_DLGMODALFRAME;
 172     else if ( !(style & wxBORDER_NONE) )
 173         msflags |= WS_BORDER;
 174     else
 175         msflags |= WS_POPUP;
 176
 177     if ( style & wxCAPTION )
 178         msflags |= WS_CAPTION;
 179     else
 180         msflags |= WS_POPUP;
 181
 182     // next translate the individual flags
 183     if ( style & wxMINIMIZE_BOX )
 184         msflags |= WS_MINIMIZEBOX;
 185     if ( style & wxMAXIMIZE_BOX )
 186         msflags |= WS_MAXIMIZEBOX;
 187     if ( style & wxSYSTEM_MENU )
 188         msflags |= WS_SYSMENU;
 189
 190     // under CE these 2 styles are not defined currently
 191 #ifdef WS_MINIMIZE
 192     if ( style & wxMINIMIZE )
 193         msflags |= WS_MINIMIZE;
 194 #endif // WS_MINIMIZE
 195 #ifdef WS_MAXIMIZE
 196     if ( style & wxMAXIMIZE )
 197         msflags |= WS_MAXIMIZE;
 198 #endif // WS_MAXIMIZE
 199
 200     // Keep this here because it saves recoding this function in wxTinyFrame
 201     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 202         msflags |= WS_CAPTION;
 203
 204     if ( exflags )
 205     {
 206         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 207         {
 208             if ( style & wxFRAME_TOOL_WINDOW )
 209             {
 210                 // create the palette-like window
 211                 *exflags |= WS_EX_TOOLWINDOW;
 212
 213                 // tool windows shouldn't appear on the taskbar (as documented)
 214                 style |= wxFRAME_NO_TASKBAR;
 215             }
 216
 217             // again, support for this is missing under CE
 218 #ifdef WS_EX_APPWINDOW
 219             // We have to solve 2 different problems here:
 220             //
 221             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 222             //    taskbar even if they don't have a parent
 223             //
 224             // 2. frames without this style should appear in the taskbar even
 225             //    if they're owned (Windows only puts non owned windows into
 226             //    the taskbar normally)
 227             //
 228             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 229             // first one is dealt with in our MSWGetParent() method
 230             // implementation
 231             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 232             {
 233                 // need to force the frame to appear in the taskbar
 234                 *exflags |= WS_EX_APPWINDOW;
 235             }
 236             //else: nothing to do [here]
 237 #endif // WS_EX_APPWINDOW
 238         }
 239
 240         if ( style & wxSTAY_ON_TOP )
 241             *exflags |= WS_EX_TOPMOST;
 242
 243         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 244             *exflags |= WS_EX_CONTEXTHELP;
 245     }
 246
 247     return msflags;
 248 }
 249
 250 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 251 {
 252     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 253     // parent HWND or it would be always on top of its parent which is not what
 254     // we usually want (in fact, we only want it for frames with the
 255     // wxFRAME_FLOAT_ON_PARENT flag)
 256     HWND hwndParent = NULL;
 257     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 258     {
 259         const wxWindow *parent = GetParent();
 260
 261         if ( !parent )
 262         {
 263             // this flag doesn't make sense then and will be ignored
 264             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 265         }
 266         else
 267         {
 268             hwndParent = GetHwndOf(parent);
 269         }
 270     }
 271     //else: don't float on parent, must not be owned
 272
 273     // now deal with the 2nd taskbar-related problem (see comments above in
 274     // MSWGetStyle())
 275     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 276     {
 277         // use hidden parent
 278         hwndParent = wxTLWHiddenParentModule::GetHWND();
 279     }
 280
 281     return (WXHWND)hwndParent;
 282 }
 283
 284 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 285                                        const wxString& title,
 286                                        const wxPoint& pos,
 287                                        const wxSize& size)
 288 {
 289 #ifdef __WXMICROWIN__
 290     // no dialogs support under MicroWin yet
 291     return CreateFrame(title, pos, size);
 292 #else // !__WXMICROWIN__
 293     wxWindow *parent = GetParent();
 294
 295     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 296     // app window as parent - this avoids creating modal dialogs without
 297     // parent
 298     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 299     {
 300         parent = wxTheApp->GetTopWindow();
 301
 302         if ( parent )
 303         {
 304             // don't use transient windows as parents, this is dangerous as it
 305             // can lead to a crash if the parent is destroyed before the child
 306             //
 307             // also don't use the window which is currently hidden as then the
 308             // dialog would be hidden as well
 309             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 310                     !parent->IsShown() )
 311             {
 312                 parent = NULL;
 313             }
 314         }
 315     }
 316
 317     m_hWnd = (WXHWND)::CreateDialogIndirect
 318                        (
 319                         wxGetInstance(),
 320                         (DLGTEMPLATE*)dlgTemplate,
 321                         parent ? GetHwndOf(parent) : NULL,
 322                         (DLGPROC)wxDlgProc
 323                        );
 324
 325     if ( !m_hWnd )
 326     {
 327         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 328
 329         wxLogSysError(wxT("Can't create dialog using memory template"));
 330
 331         return FALSE;
 332     }
 333
 334     WXDWORD exflags;
 335     (void)MSWGetCreateWindowFlags(&exflags);
 336
 337     if ( exflags )
 338     {
 339         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 340         ::SetWindowPos(GetHwnd(),
 341                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 342                        0, 0, 0, 0,
 343                        SWP_NOSIZE |
 344                        SWP_NOMOVE |
 345                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 346                        SWP_NOACTIVATE);
 347     }
 348
 349 #if defined(__WIN95__)
 350     // For some reason, the system menu is activated when we use the
 351     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 352     if ( exflags & WS_EX_CONTEXTHELP )
 353     {
 354         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 355         if ( winTop )
 356         {
 357             wxIcon icon = winTop->GetIcon();
 358             if ( icon.Ok() )
 359             {
 360                 ::SendMessage(GetHwnd(), WM_SETICON,
 361                               (WPARAM)TRUE,
 362                               (LPARAM)GetHiconOf(icon));
 363             }
 364         }
 365     }
 366 #endif // __WIN95__
 367
 368     // move the dialog to its initial position without forcing repainting
 369     int x, y, w, h;
 370     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 371
 372     if ( x == (int)CW_USEDEFAULT )
 373     {
 374         // centre it on the screen - what else can we do?
 375         wxSize sizeDpy = wxGetDisplaySize();
 376
 377         x = (sizeDpy.x - w) / 2;
 378         y = (sizeDpy.y - h) / 2;
 379     }
 380
 381     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 382     {
 383         wxLogLastError(wxT("MoveWindow"));
 384     }
 385
 386     if ( !title.empty() )
 387     {
 388         ::SetWindowText(GetHwnd(), title);
 389     }
 390
 391     SubclassWin(m_hWnd);
 392
 393     return TRUE;
 394 #endif // __WXMICROWIN__/!__WXMICROWIN__
 395 }
 396
 397 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 398                                       const wxPoint& pos,
 399                                       const wxSize& size)
 400 {
 401     WXDWORD exflags;
 402     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 403
 404     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 405 }
 406
 407 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 408                                  wxWindowID id,
 409                                  const wxString& title,
 410                                  const wxPoint& pos,
 411                                  const wxSize& size,
 412                                  long style,
 413                                  const wxString& name)
 414 {
 415     bool ret wxDUMMY_INITIALIZE(false);
 416
 417     // init our fields
 418     Init();
 419
 420     wxSize sizeReal = size;
 421     if ( !sizeReal.IsFullySpecified() )
 422     {
 423         sizeReal.SetDefaults(GetDefaultSize());
 424     }
 425
 426     m_windowStyle = style;
 427
 428     SetName(name);
 429
 430     m_windowId = id == -1 ? NewControlId() : id;
 431
 432     wxTopLevelWindows.Append(this);
 433
 434     if ( parent )
 435         parent->AddChild(this);
 436
 437     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 438     {
 439         // we have different dialog templates to allows creation of dialogs
 440         // with & without captions under MSWindows, resizeable or not (but a
 441         // resizeable dialog always has caption - otherwise it would look too
 442         // strange)
 443
 444         // we need 3 additional WORDs for dialog menu, class and title (as we
 445         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 446         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 447         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 448         memset(dlgTemplate, 0, dlgsize);
 449
 450         // these values are arbitrary, they won't be used normally anyhow
 451         dlgTemplate->x  = 34;
 452         dlgTemplate->y  = 22;
 453         dlgTemplate->cx = 144;
 454         dlgTemplate->cy = 75;
 455
 456         // reuse the code in MSWGetStyle() but correct the results slightly for
 457         // the dialog
 458         dlgTemplate->style = MSWGetStyle(style, NULL);
 459
 460         // all dialogs are popups
 461         dlgTemplate->style |= WS_POPUP;
 462
 463         // force 3D-look if necessary, it looks impossibly ugly otherwise
 464         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 465             dlgTemplate->style |= DS_MODALFRAME;
 466
 467         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 468         free(dlgTemplate);
 469     }
 470     else // !dialog
 471     {
 472         ret = CreateFrame(title, pos, sizeReal);
 473     }
 474
 475     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 476     {
 477         EnableCloseButton(false);
 478     }
 479
 480     // for some reason we need to manually send ourselves this message as
 481     // otherwise the mnemonics are always shown -- even if they're configured
 482     // to be hidden until "Alt" is pressed in the control panel
 483     //
 484     // this could indicate a bug somewhere else but for now this is the only
 485     // fix we have
 486     if ( ret )
 487     {
 488         SendMessage
 489         (
 490             GetHwnd(),
 491             WM_UPDATEUISTATE,
 492             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 493             0
 494         );
 495     }
 496
 497     return ret;
 498 }
 499
 500 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 501 {
 502     if ( wxModelessWindows.Find(this) )
 503         wxModelessWindows.DeleteObject(this);
 504
 505     // after destroying an owned window, Windows activates the next top level
 506     // window in Z order but it may be different from our owner (to reproduce
 507     // this simply Alt-TAB to another application and back before closing the
 508     // owned frame) whereas we always want to yield activation to our parent
 509     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 510     {
 511         wxWindow *parent = GetParent();
 512         if ( parent )
 513         {
 514             ::BringWindowToTop(GetHwndOf(parent));
 515         }
 516     }
 517 }
 518
 519 // ----------------------------------------------------------------------------
 520 // wxTopLevelWindowMSW showing
 521 // ----------------------------------------------------------------------------
 522
 523 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 524 {
 525     ::ShowWindow(GetHwnd(), nShowCmd);
 526
 527     m_iconized = nShowCmd == SW_MINIMIZE;
 528 }
 529
 530 bool wxTopLevelWindowMSW::Show(bool show)
 531 {
 532     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 533     if ( !wxWindowBase::Show(show) )
 534         return FALSE;
 535
 536     int nShowCmd;
 537     if ( show )
 538     {
 539         if ( m_maximizeOnShow )
 540         {
 541             // show and maximize
 542             nShowCmd = SW_MAXIMIZE;
 543
 544             m_maximizeOnShow = FALSE;
 545         }
 546         else // just show
 547         {
 548            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 549                nShowCmd = SW_SHOWNA;
 550            else
 551                nShowCmd = SW_SHOW;
 552         }
 553     }
 554     else // hide
 555     {
 556         nShowCmd = SW_HIDE;
 557     }
 558
 559     DoShowWindow(nShowCmd);
 560
 561     if ( show )
 562     {
 563         ::BringWindowToTop(GetHwnd());
 564
 565         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 566         event.SetEventObject( this );
 567         GetEventHandler()->ProcessEvent(event);
 568     }
 569     else // hide
 570     {
 571         // Try to highlight the correct window (the parent)
 572         if ( GetParent() )
 573         {
 574             HWND hWndParent = GetHwndOf(GetParent());
 575             if (hWndParent)
 576                 ::BringWindowToTop(hWndParent);
 577         }
 578     }
 579
 580     return TRUE;
 581 }
 582
 583 // ----------------------------------------------------------------------------
 584 // wxTopLevelWindowMSW maximize/minimize
 585 // ----------------------------------------------------------------------------
 586
 587 void wxTopLevelWindowMSW::Maximize(bool maximize)
 588 {
 589     if ( IsShown() )
 590     {
 591         // just maximize it directly
 592         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 593     }
 594     else // hidden
 595     {
 596         // we can't maximize the hidden frame because it shows it as well, so
 597         // just remember that we should do it later in this case
 598         m_maximizeOnShow = maximize;
 599     }
 600 }
 601
 602 bool wxTopLevelWindowMSW::IsMaximized() const
 603 {
 604 #ifdef __WXWINCE__
 605     return FALSE;
 606 #else
 607     return ::IsZoomed(GetHwnd()) != 0;
 608 #endif
 609 }
 610
 611 void wxTopLevelWindowMSW::Iconize(bool iconize)
 612 {
 613     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 614 }
 615
 616 bool wxTopLevelWindowMSW::IsIconized() const
 617 {
 618 #ifdef __WXWINCE__
 619     return FALSE;
 620 #else
 621     // also update the current state
 622     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 623
 624     return m_iconized;
 625 #endif
 626 }
 627
 628 void wxTopLevelWindowMSW::Restore()
 629 {
 630     DoShowWindow(SW_RESTORE);
 631 }
 632
 633 // ----------------------------------------------------------------------------
 634 // wxTopLevelWindowMSW fullscreen
 635 // ----------------------------------------------------------------------------
 636
 637 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 638 {
 639     if ( show == IsFullScreen() )
 640     {
 641         // nothing to do
 642         return TRUE;
 643     }
 644
 645     m_fsIsShowing = show;
 646
 647     if ( show )
 648     {
 649         m_fsStyle = style;
 650
 651         // zap the frame borders
 652
 653         // save the 'normal' window style
 654         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 655
 656         // save the old position, width & height, maximize state
 657         m_fsOldSize = GetRect();
 658         m_fsIsMaximized = IsMaximized();
 659
 660         // decide which window style flags to turn off
 661         LONG newStyle = m_fsOldWindowStyle;
 662         LONG offFlags = 0;
 663
 664         if (style & wxFULLSCREEN_NOBORDER)
 665         {
 666             offFlags |= WS_BORDER;
 667 #ifndef __WXWINCE__
 668             offFlags |= WS_THICKFRAME;
 669 #endif
 670         }
 671         if (style & wxFULLSCREEN_NOCAPTION)
 672             offFlags |= WS_CAPTION | WS_SYSMENU;
 673
 674         newStyle &= ~offFlags;
 675
 676         // change our window style to be compatible with full-screen mode
 677         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 678
 679         wxRect rect;
 680 #if wxUSE_DISPLAY
 681         // resize to the size of the display containing us
 682         int dpy = wxDisplay::GetFromWindow(this);
 683         if ( dpy != wxNOT_FOUND )
 684         {
 685             rect = wxDisplay(dpy).GetGeometry();
 686         }
 687         else // fall back to the main desktop
 688 #else // wxUSE_DISPLAY
 689         {
 690             // resize to the size of the desktop
 691             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 692 #ifdef __WXWINCE__
 693             // FIXME: size of the bottom menu (toolbar)
 694             // should be taken in account
 695             rect.height += rect.y;
 696             rect.y       = 0;
 697 #endif
 698         }
 699 #endif // wxUSE_DISPLAY
 700
 701         SetSize(rect);
 702
 703         // now flush the window style cache and actually go full-screen
 704         long flags = SWP_FRAMECHANGED;
 705
 706         // showing the frame full screen should also show it if it's still
 707         // hidden
 708         if ( !IsShown() )
 709         {
 710             // don't call wxWindow version to avoid flicker from calling
 711             // ::ShowWindow() -- we're going to show the window at the correct
 712             // location directly below -- but do call the wxWindowBase version
 713             // to sync the internal m_isShown flag
 714             wxWindowBase::Show();
 715
 716             flags |= SWP_SHOWWINDOW;
 717         }
 718
 719         SetWindowPos(GetHwnd(), HWND_TOP,
 720                      rect.x, rect.y, rect.width, rect.height,
 721                      flags);
 722
 723 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 724         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 725 #endif
 726
 727         // finally send an event allowing the window to relayout itself &c
 728         wxSizeEvent event(rect.GetSize(), GetId());
 729         GetEventHandler()->ProcessEvent(event);
 730     }
 731     else // stop showing full screen
 732     {
 733 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 734         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 735 #endif
 736         Maximize(m_fsIsMaximized);
 737         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 738         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 739             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 740     }
 741
 742     return TRUE;
 743 }
 744
 745 // ----------------------------------------------------------------------------
 746 // wxTopLevelWindowMSW misc
 747 // ----------------------------------------------------------------------------
 748
 749 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 750 {
 751     SetIcons( wxIconBundle( icon ) );
 752 }
 753
 754 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 755 {
 756     wxTopLevelWindowBase::SetIcons(icons);
 757
 758 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 759     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 760     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 761     {
 762         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 763                        (LPARAM)GetHiconOf(sml) );
 764     }
 765
 766     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 767     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 768     {
 769         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 770                        (LPARAM)GetHiconOf(big) );
 771     }
 772 #endif // __WIN95__
 773 }
 774
 775 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 776 {
 777 #if !defined(__WXMICROWIN__)
 778     // get system (a.k.a. window) menu
 779     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 780     if ( !hmenu )
 781     {
 782         // no system menu at all -- ok if we want to remove the close button
 783         // anyhow, but bad if we want to show it
 784         return !enable;
 785     }
 786
 787     // enabling/disabling the close item from it also automatically
 788     // disables/enables the close title bar button
 789     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 790                           MF_BYCOMMAND |
 791                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 792     {
 793         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 794
 795         return FALSE;
 796     }
 797
 798     // update appearance immediately
 799     if ( !::DrawMenuBar(GetHwnd()) )
 800     {
 801         wxLogLastError(_T("DrawMenuBar"));
 802     }
 803 #endif // !__WXMICROWIN__
 804
 805     return TRUE;
 806 }
 807
 808 #ifndef __WXWINCE__
 809
 810 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 811 {
 812     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 813                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 814
 815     // The empty region signifies that the shape should be removed from the
 816     // window.
 817     if ( region.IsEmpty() )
 818     {
 819         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 820         {
 821             wxLogLastError(_T("SetWindowRgn"));
 822             return FALSE;
 823         }
 824         return TRUE;
 825     }
 826
 827     // Windows takes ownership of the region, so
 828     // we'll have to make a copy of the region to give to it.
 829     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 830     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 831     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 832     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 833     delete[] (char*) rgnData;
 834
 835     // SetWindowRgn expects the region to be in coordinants
 836     // relative to the window, not the client area.  Figure
 837     // out the offset, if any.
 838     RECT rect;
 839     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 840     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 841     ::GetClientRect(GetHwnd(), &rect);
 842     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 843     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 844
 845     // Now call the shape API with the new region.
 846     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 847     {
 848         wxLogLastError(_T("SetWindowRgn"));
 849         return FALSE;
 850     }
 851     return TRUE;
 852 }
 853
 854 #endif // !__WXWINCE__
 855
 856 // ----------------------------------------------------------------------------
 857 // wxTopLevelWindow event handling
 858 // ----------------------------------------------------------------------------
 859
 860 // Default activation behaviour - set the focus for the first child
 861 // subwindow found.
 862 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 863 {
 864     if ( event.GetActive() )
 865     {
 866         // restore focus to the child which was last focused unless we already
 867         // have it
 868         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 869
 870         wxWindow *winFocus = FindFocus();
 871         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 872         {
 873             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 874                                                 : NULL;
 875             if ( !parent )
 876             {
 877                 parent = this;
 878             }
 879
 880             wxSetFocusToChild(parent, &m_winLastFocused);
 881         }
 882     }
 883     else // deactivating
 884     {
 885         // remember the last focused child if it is our child
 886         m_winLastFocused = FindFocus();
 887
 888         if ( m_winLastFocused )
 889         {
 890             // let it know that it doesn't have focus any more
 891             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 892
 893             // and don't remember it if it's a child from some other frame
 894             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 895             {
 896                 m_winLastFocused = NULL;
 897             }
 898         }
 899
 900         wxLogTrace(_T("focus"),
 901                    _T("wxTLW %08x deactivated, last focused: %08x."),
 902                    (int) m_hWnd,
 903                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 904                                            : NULL));
 905
 906         event.Skip();
 907     }
 908 }
 909
 910 // the DialogProc for all wxWindows dialogs
 911 LONG APIENTRY _EXPORT
 912 wxDlgProc(HWND WXUNUSED(hDlg),
 913           UINT message,
 914           WPARAM WXUNUSED(wParam),
 915           LPARAM WXUNUSED(lParam))
 916 {
 917     switch ( message )
 918     {
 919         case WM_INITDIALOG:
 920             // for this message, returning TRUE tells system to set focus to
 921             // the first control in the dialog box, but as we set the focus
 922             // ourselves, we return FALSE from here as well, so fall through
 923
 924         default:
 925             // for all the other ones, FALSE means that we didn't process the
 926             // message
 927             return FALSE;
 928     }
 929 }
 930
 931 // ============================================================================
 932 // wxTLWHiddenParentModule implementation
 933 // ============================================================================
 934
 935 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 936
 937 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 938
 939 bool wxTLWHiddenParentModule::OnInit()
 940 {
 941     ms_hwnd = NULL;
 942     ms_className = NULL;
 943
 944     return TRUE;
 945 }
 946
 947 void wxTLWHiddenParentModule::OnExit()
 948 {
 949     if ( ms_hwnd )
 950     {
 951         if ( !::DestroyWindow(ms_hwnd) )
 952         {
 953             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 954         }
 955
 956         ms_hwnd = NULL;
 957     }
 958
 959     if ( ms_className )
 960     {
 961         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 962         {
 963             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 964         }
 965
 966         ms_className = NULL;
 967     }
 968 }
 969
 970 /* static */
 971 HWND wxTLWHiddenParentModule::GetHWND()
 972 {
 973     if ( !ms_hwnd )
 974     {
 975         if ( !ms_className )
 976         {
 977             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 978
 979             WNDCLASS wndclass;
 980             wxZeroMemory(wndclass);
 981
 982             wndclass.lpfnWndProc   = DefWindowProc;
 983             wndclass.hInstance     = wxGetInstance();
 984             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 985
 986             if ( !::RegisterClass(&wndclass) )
 987             {
 988                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 989             }
 990             else
 991             {
 992                 ms_className = HIDDEN_PARENT_CLASS;
 993             }
 994         }
 995
 996         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
 997                                  (HMENU)NULL, wxGetInstance(), NULL);
 998         if ( !ms_hwnd )
 999         {
1000             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1001         }
1002     }
1003
1004     return ms_hwnd;
1005 }
1006
1007