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 #ifdef __WXWINCE__
 170         msflags = msflags;
 171 #else
 172         msflags |= WS_THICKFRAME;
 173 #endif
 174     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 175         *exflags |= WS_EX_DLGMODALFRAME;
 176     else if ( !(style & wxBORDER_NONE) )
 177         msflags |= WS_BORDER;
 178     else
 179         msflags |= WS_POPUP;
 180
 181     if ( style & wxCAPTION )
 182         msflags |= WS_CAPTION;
 183     else
 184         msflags |= WS_POPUP;
 185
 186     // next translate the individual flags
 187     if ( style & wxMINIMIZE_BOX )
 188         msflags |= WS_MINIMIZEBOX;
 189     if ( style & wxMAXIMIZE_BOX )
 190         msflags |= WS_MAXIMIZEBOX;
 191     if ( style & wxSYSTEM_MENU )
 192         msflags |= WS_SYSMENU;
 193
 194     // under CE these 2 styles are not defined currently
 195 #ifdef WS_MINIMIZE
 196     if ( style & wxMINIMIZE )
 197         msflags |= WS_MINIMIZE;
 198 #endif // WS_MINIMIZE
 199 #ifdef WS_MAXIMIZE
 200     if ( style & wxMAXIMIZE )
 201         msflags |= WS_MAXIMIZE;
 202 #endif // WS_MAXIMIZE
 203
 204     // Keep this here because it saves recoding this function in wxTinyFrame
 205     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 206         msflags |= WS_CAPTION;
 207
 208     if ( exflags )
 209     {
 210         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 211         {
 212             if ( style & wxFRAME_TOOL_WINDOW )
 213             {
 214                 // create the palette-like window
 215                 *exflags |= WS_EX_TOOLWINDOW;
 216
 217                 // tool windows shouldn't appear on the taskbar (as documented)
 218                 style |= wxFRAME_NO_TASKBAR;
 219             }
 220
 221             // again, support for this is missing under CE
 222 #ifdef WS_EX_APPWINDOW
 223             // We have to solve 2 different problems here:
 224             //
 225             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 226             //    taskbar even if they don't have a parent
 227             //
 228             // 2. frames without this style should appear in the taskbar even
 229             //    if they're owned (Windows only puts non owned windows into
 230             //    the taskbar normally)
 231             //
 232             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 233             // first one is dealt with in our MSWGetParent() method
 234             // implementation
 235             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 236             {
 237                 // need to force the frame to appear in the taskbar
 238                 *exflags |= WS_EX_APPWINDOW;
 239             }
 240             //else: nothing to do [here]
 241 #endif // WS_EX_APPWINDOW
 242         }
 243
 244         if ( style & wxSTAY_ON_TOP )
 245             *exflags |= WS_EX_TOPMOST;
 246
 247         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 248             *exflags |= WS_EX_CONTEXTHELP;
 249     }
 250
 251     return msflags;
 252 }
 253
 254 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 255 {
 256     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 257     // parent HWND or it would be always on top of its parent which is not what
 258     // we usually want (in fact, we only want it for frames with the
 259     // wxFRAME_FLOAT_ON_PARENT flag)
 260     HWND hwndParent = NULL;
 261     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 262     {
 263         const wxWindow *parent = GetParent();
 264
 265         if ( !parent )
 266         {
 267             // this flag doesn't make sense then and will be ignored
 268             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 269         }
 270         else
 271         {
 272             hwndParent = GetHwndOf(parent);
 273         }
 274     }
 275     //else: don't float on parent, must not be owned
 276
 277     // now deal with the 2nd taskbar-related problem (see comments above in
 278     // MSWGetStyle())
 279     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 280     {
 281         // use hidden parent
 282         hwndParent = wxTLWHiddenParentModule::GetHWND();
 283     }
 284
 285     return (WXHWND)hwndParent;
 286 }
 287
 288 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 289                                        const wxString& title,
 290                                        const wxPoint& pos,
 291                                        const wxSize& size)
 292 {
 293 #ifdef __WXMICROWIN__
 294     // no dialogs support under MicroWin yet
 295     return CreateFrame(title, pos, size);
 296 #else // !__WXMICROWIN__
 297     wxWindow *parent = GetParent();
 298
 299     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 300     // app window as parent - this avoids creating modal dialogs without
 301     // parent
 302     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 303     {
 304         parent = wxTheApp->GetTopWindow();
 305
 306         if ( parent )
 307         {
 308             // don't use transient windows as parents, this is dangerous as it
 309             // can lead to a crash if the parent is destroyed before the child
 310             //
 311             // also don't use the window which is currently hidden as then the
 312             // dialog would be hidden as well
 313             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 314                     !parent->IsShown() )
 315             {
 316                 parent = NULL;
 317             }
 318         }
 319     }
 320
 321     m_hWnd = (WXHWND)::CreateDialogIndirect
 322                        (
 323                         wxGetInstance(),
 324                         (DLGTEMPLATE*)dlgTemplate,
 325                         parent ? GetHwndOf(parent) : NULL,
 326                         (DLGPROC)wxDlgProc
 327                        );
 328
 329     if ( !m_hWnd )
 330     {
 331         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 332
 333         wxLogSysError(wxT("Can't create dialog using memory template"));
 334
 335         return FALSE;
 336     }
 337
 338     WXDWORD exflags;
 339     (void)MSWGetCreateWindowFlags(&exflags);
 340
 341     if ( exflags )
 342     {
 343         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 344         ::SetWindowPos(GetHwnd(),
 345                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 346                        0, 0, 0, 0,
 347                        SWP_NOSIZE |
 348                        SWP_NOMOVE |
 349                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 350                        SWP_NOACTIVATE);
 351     }
 352
 353 #if defined(__WIN95__)
 354     // For some reason, the system menu is activated when we use the
 355     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 356     if ( exflags & WS_EX_CONTEXTHELP )
 357     {
 358         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 359         if ( winTop )
 360         {
 361             wxIcon icon = winTop->GetIcon();
 362             if ( icon.Ok() )
 363             {
 364                 ::SendMessage(GetHwnd(), WM_SETICON,
 365                               (WPARAM)TRUE,
 366                               (LPARAM)GetHiconOf(icon));
 367             }
 368         }
 369     }
 370 #endif // __WIN95__
 371
 372     // move the dialog to its initial position without forcing repainting
 373     int x, y, w, h;
 374     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 375
 376     if ( x == (int)CW_USEDEFAULT )
 377     {
 378         // centre it on the screen - what else can we do?
 379         wxSize sizeDpy = wxGetDisplaySize();
 380
 381         x = (sizeDpy.x - w) / 2;
 382         y = (sizeDpy.y - h) / 2;
 383     }
 384
 385     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 386     {
 387         wxLogLastError(wxT("MoveWindow"));
 388     }
 389
 390     if ( !title.empty() )
 391     {
 392         ::SetWindowText(GetHwnd(), title);
 393     }
 394
 395     SubclassWin(m_hWnd);
 396
 397     return TRUE;
 398 #endif // __WXMICROWIN__/!__WXMICROWIN__
 399 }
 400
 401 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 402                                       const wxPoint& pos,
 403                                       const wxSize& size)
 404 {
 405     WXDWORD exflags;
 406     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 407
 408     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 409 }
 410
 411 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 412                                  wxWindowID id,
 413                                  const wxString& title,
 414                                  const wxPoint& pos,
 415                                  const wxSize& size,
 416                                  long style,
 417                                  const wxString& name)
 418 {
 419     bool ret wxDUMMY_INITIALIZE(false);
 420
 421     // init our fields
 422     Init();
 423
 424     wxSize sizeReal = size;
 425     if ( !sizeReal.IsFullySpecified() )
 426     {
 427         sizeReal.SetDefaults(GetDefaultSize());
 428     }
 429
 430     m_windowStyle = style;
 431
 432     SetName(name);
 433
 434     m_windowId = id == -1 ? NewControlId() : id;
 435
 436     wxTopLevelWindows.Append(this);
 437
 438     if ( parent )
 439         parent->AddChild(this);
 440
 441     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 442     {
 443         // we have different dialog templates to allows creation of dialogs
 444         // with & without captions under MSWindows, resizeable or not (but a
 445         // resizeable dialog always has caption - otherwise it would look too
 446         // strange)
 447
 448         // we need 3 additional WORDs for dialog menu, class and title (as we
 449         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 450         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 451         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 452         memset(dlgTemplate, 0, dlgsize);
 453
 454         // these values are arbitrary, they won't be used normally anyhow
 455         dlgTemplate->x  = 34;
 456         dlgTemplate->y  = 22;
 457         dlgTemplate->cx = 144;
 458         dlgTemplate->cy = 75;
 459
 460         // reuse the code in MSWGetStyle() but correct the results slightly for
 461         // the dialog
 462         dlgTemplate->style = MSWGetStyle(style, NULL);
 463
 464         // all dialogs are popups
 465         dlgTemplate->style |= WS_POPUP;
 466
 467         // force 3D-look if necessary, it looks impossibly ugly otherwise
 468         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 469             dlgTemplate->style |= DS_MODALFRAME;
 470
 471         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 472         free(dlgTemplate);
 473     }
 474     else // !dialog
 475     {
 476         ret = CreateFrame(title, pos, sizeReal);
 477     }
 478
 479     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 480     {
 481         EnableCloseButton(false);
 482     }
 483
 484     // for some reason we need to manually send ourselves this message as
 485     // otherwise the mnemonics are always shown -- even if they're configured
 486     // to be hidden until "Alt" is pressed in the control panel
 487     //
 488     // this could indicate a bug somewhere else but for now this is the only
 489     // fix we have
 490     if ( ret )
 491     {
 492         SendMessage
 493         (
 494             GetHwnd(),
 495             WM_UPDATEUISTATE,
 496             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 497             0
 498         );
 499     }
 500
 501     return ret;
 502 }
 503
 504 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 505 {
 506     if ( wxModelessWindows.Find(this) )
 507         wxModelessWindows.DeleteObject(this);
 508
 509     // after destroying an owned window, Windows activates the next top level
 510     // window in Z order but it may be different from our owner (to reproduce
 511     // this simply Alt-TAB to another application and back before closing the
 512     // owned frame) whereas we always want to yield activation to our parent
 513     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 514     {
 515         wxWindow *parent = GetParent();
 516         if ( parent )
 517         {
 518             ::BringWindowToTop(GetHwndOf(parent));
 519         }
 520     }
 521 }
 522
 523 // ----------------------------------------------------------------------------
 524 // wxTopLevelWindowMSW showing
 525 // ----------------------------------------------------------------------------
 526
 527 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 528 {
 529     ::ShowWindow(GetHwnd(), nShowCmd);
 530
 531     m_iconized = nShowCmd == SW_MINIMIZE;
 532 }
 533
 534 bool wxTopLevelWindowMSW::Show(bool show)
 535 {
 536     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 537     if ( !wxWindowBase::Show(show) )
 538         return FALSE;
 539
 540     int nShowCmd;
 541     if ( show )
 542     {
 543         if ( m_maximizeOnShow )
 544         {
 545             // show and maximize
 546             nShowCmd = SW_MAXIMIZE;
 547
 548             m_maximizeOnShow = FALSE;
 549         }
 550         else // just show
 551         {
 552            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 553                nShowCmd = SW_SHOWNA;
 554            else
 555                nShowCmd = SW_SHOW;
 556         }
 557     }
 558     else // hide
 559     {
 560         nShowCmd = SW_HIDE;
 561     }
 562
 563     DoShowWindow(nShowCmd);
 564
 565     if ( show )
 566     {
 567         ::BringWindowToTop(GetHwnd());
 568
 569         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 570         event.SetEventObject( this );
 571         GetEventHandler()->ProcessEvent(event);
 572     }
 573     else // hide
 574     {
 575         // Try to highlight the correct window (the parent)
 576         if ( GetParent() )
 577         {
 578             HWND hWndParent = GetHwndOf(GetParent());
 579             if (hWndParent)
 580                 ::BringWindowToTop(hWndParent);
 581         }
 582     }
 583
 584     return TRUE;
 585 }
 586
 587 // ----------------------------------------------------------------------------
 588 // wxTopLevelWindowMSW maximize/minimize
 589 // ----------------------------------------------------------------------------
 590
 591 void wxTopLevelWindowMSW::Maximize(bool maximize)
 592 {
 593     if ( IsShown() )
 594     {
 595         // just maximize it directly
 596         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 597     }
 598     else // hidden
 599     {
 600         // we can't maximize the hidden frame because it shows it as well, so
 601         // just remember that we should do it later in this case
 602         m_maximizeOnShow = maximize;
 603     }
 604 }
 605
 606 bool wxTopLevelWindowMSW::IsMaximized() const
 607 {
 608 #ifdef __WXWINCE__
 609     return FALSE;
 610 #else
 611     return ::IsZoomed(GetHwnd()) != 0;
 612 #endif
 613 }
 614
 615 void wxTopLevelWindowMSW::Iconize(bool iconize)
 616 {
 617     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 618 }
 619
 620 bool wxTopLevelWindowMSW::IsIconized() const
 621 {
 622 #ifdef __WXWINCE__
 623     return FALSE;
 624 #else
 625     // also update the current state
 626     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 627
 628     return m_iconized;
 629 #endif
 630 }
 631
 632 void wxTopLevelWindowMSW::Restore()
 633 {
 634     DoShowWindow(SW_RESTORE);
 635 }
 636
 637 // ----------------------------------------------------------------------------
 638 // wxTopLevelWindowMSW fullscreen
 639 // ----------------------------------------------------------------------------
 640
 641 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 642 {
 643     if ( show == IsFullScreen() )
 644     {
 645         // nothing to do
 646         return TRUE;
 647     }
 648
 649     m_fsIsShowing = show;
 650
 651     if ( show )
 652     {
 653         m_fsStyle = style;
 654
 655         // zap the frame borders
 656
 657         // save the 'normal' window style
 658         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 659
 660         // save the old position, width & height, maximize state
 661         m_fsOldSize = GetRect();
 662         m_fsIsMaximized = IsMaximized();
 663
 664         // decide which window style flags to turn off
 665         LONG newStyle = m_fsOldWindowStyle;
 666         LONG offFlags = 0;
 667
 668         if (style & wxFULLSCREEN_NOBORDER)
 669         {
 670             offFlags |= WS_BORDER;
 671 #ifndef __WXWINCE__
 672             offFlags |= WS_THICKFRAME;
 673 #endif
 674         }
 675         if (style & wxFULLSCREEN_NOCAPTION)
 676             offFlags |= WS_CAPTION | WS_SYSMENU;
 677
 678         newStyle &= ~offFlags;
 679
 680         // change our window style to be compatible with full-screen mode
 681         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 682
 683         wxRect rect;
 684 #if wxUSE_DISPLAY
 685         // resize to the size of the display containing us
 686         int dpy = wxDisplay::GetFromWindow(this);
 687         if ( dpy != wxNOT_FOUND )
 688         {
 689             rect = wxDisplay(dpy).GetGeometry();
 690         }
 691         else // fall back to the main desktop
 692 #else // wxUSE_DISPLAY
 693         {
 694             // resize to the size of the desktop
 695             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 696 #ifdef __WXWINCE__
 697             // FIXME: size of the bottom menu (toolbar)
 698             // should be taken in account
 699             rect.height += rect.y;
 700             rect.y       = 0;
 701 #endif
 702         }
 703 #endif // wxUSE_DISPLAY
 704
 705         SetSize(rect);
 706
 707         // now flush the window style cache and actually go full-screen
 708         long flags = SWP_FRAMECHANGED;
 709
 710         // showing the frame full screen should also show it if it's still
 711         // hidden
 712         if ( !IsShown() )
 713         {
 714             // don't call wxWindow version to avoid flicker from calling
 715             // ::ShowWindow() -- we're going to show the window at the correct
 716             // location directly below -- but do call the wxWindowBase version
 717             // to sync the internal m_isShown flag
 718             wxWindowBase::Show();
 719
 720             flags |= SWP_SHOWWINDOW;
 721         }
 722
 723         SetWindowPos(GetHwnd(), HWND_TOP,
 724                      rect.x, rect.y, rect.width, rect.height,
 725                      flags);
 726
 727 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 728         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 729 #endif
 730
 731         // finally send an event allowing the window to relayout itself &c
 732         wxSizeEvent event(rect.GetSize(), GetId());
 733         GetEventHandler()->ProcessEvent(event);
 734     }
 735     else // stop showing full screen
 736     {
 737 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 738         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 739 #endif
 740         Maximize(m_fsIsMaximized);
 741         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 742         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 743             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 744     }
 745
 746     return TRUE;
 747 }
 748
 749 // ----------------------------------------------------------------------------
 750 // wxTopLevelWindowMSW misc
 751 // ----------------------------------------------------------------------------
 752
 753 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 754 {
 755     SetIcons( wxIconBundle( icon ) );
 756 }
 757
 758 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 759 {
 760     wxTopLevelWindowBase::SetIcons(icons);
 761
 762 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 763     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 764     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 765     {
 766         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 767                        (LPARAM)GetHiconOf(sml) );
 768     }
 769
 770     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 771     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 772     {
 773         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 774                        (LPARAM)GetHiconOf(big) );
 775     }
 776 #endif // __WIN95__
 777 }
 778
 779 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 780 {
 781 #if !defined(__WXMICROWIN__)
 782     // get system (a.k.a. window) menu
 783     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 784     if ( !hmenu )
 785     {
 786         // no system menu at all -- ok if we want to remove the close button
 787         // anyhow, but bad if we want to show it
 788         return !enable;
 789     }
 790
 791     // enabling/disabling the close item from it also automatically
 792     // disables/enables the close title bar button
 793     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 794                           MF_BYCOMMAND |
 795                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 796     {
 797         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 798
 799         return FALSE;
 800     }
 801
 802     // update appearance immediately
 803     if ( !::DrawMenuBar(GetHwnd()) )
 804     {
 805         wxLogLastError(_T("DrawMenuBar"));
 806     }
 807 #endif // !__WXMICROWIN__
 808
 809     return TRUE;
 810 }
 811
 812 #ifndef __WXWINCE__
 813
 814 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 815 {
 816     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 817                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 818
 819     // The empty region signifies that the shape should be removed from the
 820     // window.
 821     if ( region.IsEmpty() )
 822     {
 823         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 824         {
 825             wxLogLastError(_T("SetWindowRgn"));
 826             return FALSE;
 827         }
 828         return TRUE;
 829     }
 830
 831     // Windows takes ownership of the region, so
 832     // we'll have to make a copy of the region to give to it.
 833     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 834     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 835     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 836     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 837     delete[] (char*) rgnData;
 838
 839     // SetWindowRgn expects the region to be in coordinants
 840     // relative to the window, not the client area.  Figure
 841     // out the offset, if any.
 842     RECT rect;
 843     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 844     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 845     ::GetClientRect(GetHwnd(), &rect);
 846     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 847     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 848
 849     // Now call the shape API with the new region.
 850     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 851     {
 852         wxLogLastError(_T("SetWindowRgn"));
 853         return FALSE;
 854     }
 855     return TRUE;
 856 }
 857
 858 #endif // !__WXWINCE__
 859
 860 // ----------------------------------------------------------------------------
 861 // wxTopLevelWindow event handling
 862 // ----------------------------------------------------------------------------
 863
 864 // Default activation behaviour - set the focus for the first child
 865 // subwindow found.
 866 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 867 {
 868     if ( event.GetActive() )
 869     {
 870         // restore focus to the child which was last focused unless we already
 871         // have it
 872         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 873
 874         wxWindow *winFocus = FindFocus();
 875         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 876         {
 877             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 878                                                 : NULL;
 879             if ( !parent )
 880             {
 881                 parent = this;
 882             }
 883
 884             wxSetFocusToChild(parent, &m_winLastFocused);
 885         }
 886     }
 887     else // deactivating
 888     {
 889         // remember the last focused child if it is our child
 890         m_winLastFocused = FindFocus();
 891
 892         if ( m_winLastFocused )
 893         {
 894             // let it know that it doesn't have focus any more
 895             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 896
 897             // and don't remember it if it's a child from some other frame
 898             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 899             {
 900                 m_winLastFocused = NULL;
 901             }
 902         }
 903
 904         wxLogTrace(_T("focus"),
 905                    _T("wxTLW %08x deactivated, last focused: %08x."),
 906                    (int) m_hWnd,
 907                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 908                                            : NULL));
 909
 910         event.Skip();
 911     }
 912 }
 913
 914 // the DialogProc for all wxWindows dialogs
 915 LONG APIENTRY _EXPORT
 916 wxDlgProc(HWND WXUNUSED(hDlg),
 917           UINT message,
 918           WPARAM WXUNUSED(wParam),
 919           LPARAM WXUNUSED(lParam))
 920 {
 921     switch ( message )
 922     {
 923         case WM_INITDIALOG:
 924             // for this message, returning TRUE tells system to set focus to
 925             // the first control in the dialog box, but as we set the focus
 926             // ourselves, we return FALSE from here as well, so fall through
 927
 928         default:
 929             // for all the other ones, FALSE means that we didn't process the
 930             // message
 931             return FALSE;
 932     }
 933 }
 934
 935 // ============================================================================
 936 // wxTLWHiddenParentModule implementation
 937 // ============================================================================
 938
 939 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 940
 941 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 942
 943 bool wxTLWHiddenParentModule::OnInit()
 944 {
 945     ms_hwnd = NULL;
 946     ms_className = NULL;
 947
 948     return TRUE;
 949 }
 950
 951 void wxTLWHiddenParentModule::OnExit()
 952 {
 953     if ( ms_hwnd )
 954     {
 955         if ( !::DestroyWindow(ms_hwnd) )
 956         {
 957             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 958         }
 959
 960         ms_hwnd = NULL;
 961     }
 962
 963     if ( ms_className )
 964     {
 965         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 966         {
 967             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 968         }
 969
 970         ms_className = NULL;
 971     }
 972 }
 973
 974 /* static */
 975 HWND wxTLWHiddenParentModule::GetHWND()
 976 {
 977     if ( !ms_hwnd )
 978     {
 979         if ( !ms_className )
 980         {
 981             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 982
 983             WNDCLASS wndclass;
 984             wxZeroMemory(wndclass);
 985
 986             wndclass.lpfnWndProc   = DefWindowProc;
 987             wndclass.hInstance     = wxGetInstance();
 988             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 989
 990             if ( !::RegisterClass(&wndclass) )
 991             {
 992                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 993             }
 994             else
 995             {
 996                 ms_className = HIDDEN_PARENT_CLASS;
 997             }
 998         }
 999
1000         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1001                                  (HMENU)NULL, wxGetInstance(), NULL);
1002         if ( !ms_hwnd )
1003         {
1004             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1005         }
1006     }
1007
1008     return ms_hwnd;
1009 }
1010
1011