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/dialog.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/frame.h"
  39     #include "wx/containr.h"        // wxSetFocusToChild()
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/module.h"
  43
  44 #include "wx/msw/private.h"
  45 #if defined(__WXWINCE__)
  46   #include <ole2.h>
  47   #include <shellapi.h>
  48   #if _WIN32_WCE < 400
  49     #include <aygshell.h>
  50   #endif
  51 #include "wx/msw/wince/missing.h"
  52 #endif
  53
  54 #include "wx/msw/missing.h"
  55 #include "wx/msw/winundef.h"
  56
  57 #include "wx/display.h"
  58
  59 #ifndef ICON_BIG
  60     #define ICON_BIG 1
  61 #endif
  62
  63 #ifndef ICON_SMALL
  64     #define ICON_SMALL 0
  65 #endif
  66
  67 // ----------------------------------------------------------------------------
  68 // stubs for missing functions under MicroWindows
  69 // ----------------------------------------------------------------------------
  70
  71 #ifdef __WXMICROWIN__
  72
  73 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  74 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  75
  76 #endif // __WXMICROWIN__
  77
  78 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  79 //     is not included by wxUniv build which does need wxDlgProc
  80 LONG APIENTRY _EXPORT
  81 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  82
  83 // ----------------------------------------------------------------------------
  84 // globals
  85 // ----------------------------------------------------------------------------
  86
  87 // list of all frames and modeless dialogs
  88 wxWindowList wxModelessWindows;
  89
  90 // the name of the default wxWindows class
  91 #ifdef __WXWINCE__
  92 extern       wxChar *wxCanvasClassName;
  93 #else
  94 extern const wxChar *wxCanvasClassName;
  95 #endif
  96
  97 // ----------------------------------------------------------------------------
  98 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  99 // module to ensure that the window is always deleted)
 100 // ----------------------------------------------------------------------------
 101
 102 class wxTLWHiddenParentModule : public wxModule
 103 {
 104 public:
 105     // module init/finalize
 106     virtual bool OnInit();
 107     virtual void OnExit();
 108
 109     // get the hidden window (creates on demand)
 110     static HWND GetHWND();
 111
 112 private:
 113     // the HWND of the hidden parent
 114     static HWND ms_hwnd;
 115
 116     // the class used to create it
 117     static const wxChar *ms_className;
 118
 119     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 120 };
 121
 122 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 123
 124 // ============================================================================
 125 // wxTopLevelWindowMSW implementation
 126 // ============================================================================
 127
 128 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 129     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 130 END_EVENT_TABLE()
 131
 132 // ----------------------------------------------------------------------------
 133 // wxTopLevelWindowMSW creation
 134 // ----------------------------------------------------------------------------
 135
 136 void wxTopLevelWindowMSW::Init()
 137 {
 138     m_iconized =
 139     m_maximizeOnShow = FALSE;
 140
 141     // Data to save/restore when calling ShowFullScreen
 142     m_fsStyle = 0;
 143     m_fsOldWindowStyle = 0;
 144     m_fsIsMaximized = FALSE;
 145     m_fsIsShowing = FALSE;
 146
 147     m_winLastFocused = (wxWindow *)NULL;
 148 }
 149
 150 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 151 {
 152     // let the base class deal with the common styles but fix the ones which
 153     // don't make sense for us (we also deal with the borders ourselves)
 154     WXDWORD msflags = wxWindow::MSWGetStyle
 155                       (
 156                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 157                       ) & ~WS_CHILD & ~WS_VISIBLE;
 158
 159 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 160     msflags |= WS_VISIBLE;
 161 #endif
 162
 163     // first select the kind of window being created
 164     //
 165     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 166     // creates a window with both caption and border, hence we also test it
 167     // below in some other cases
 168     if ( style & wxFRAME_TOOL_WINDOW )
 169     {
 170         msflags |= WS_POPUP;
 171     }
 172     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 173
 174     // border and caption styles
 175     if ( style & wxRESIZE_BORDER )
 176         msflags |= WS_THICKFRAME;
 177     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 178         *exflags |= WS_EX_DLGMODALFRAME;
 179     else if ( !(style & wxBORDER_NONE) )
 180         msflags |= WS_BORDER;
 181     else
 182         msflags |= WS_POPUP;
 183
 184     // normally we consider that all windows without caption must be popups,
 185     // but CE is an exception: there windows normally do not have the caption
 186     // but shouldn't be made popups as popups can't have menus and don't look
 187     // like normal windows anyhow
 188     if ( style & wxCAPTION )
 189         msflags |= WS_CAPTION;
 190 #ifndef __WXWINCE__
 191     else
 192         msflags |= WS_POPUP;
 193 #endif // !__WXWINCE__
 194
 195     // next translate the individual flags
 196     if ( style & wxMINIMIZE_BOX )
 197         msflags |= WS_MINIMIZEBOX;
 198     if ( style & wxMAXIMIZE_BOX )
 199         msflags |= WS_MAXIMIZEBOX;
 200     if ( style & wxSYSTEM_MENU )
 201         msflags |= WS_SYSMENU;
 202
 203     // NB: under CE these 2 styles are not supported currently, we should
 204     //     call Minimize()/Maximize() "manually" if we want to support them
 205     if ( style & wxMINIMIZE )
 206         msflags |= WS_MINIMIZE;
 207     if ( style & wxMAXIMIZE )
 208         msflags |= WS_MAXIMIZE;
 209
 210     // Keep this here because it saves recoding this function in wxTinyFrame
 211     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 212         msflags |= WS_CAPTION;
 213
 214     if ( exflags )
 215     {
 216         // there is no taskbar under CE, so omit all this
 217 #ifndef __WXWINCE__
 218         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 219         {
 220             if ( style & wxFRAME_TOOL_WINDOW )
 221             {
 222                 // create the palette-like window
 223                 *exflags |= WS_EX_TOOLWINDOW;
 224
 225                 // tool windows shouldn't appear on the taskbar (as documented)
 226                 style |= wxFRAME_NO_TASKBAR;
 227             }
 228
 229             // We have to solve 2 different problems here:
 230             //
 231             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 232             //    taskbar even if they don't have a parent
 233             //
 234             // 2. frames without this style should appear in the taskbar even
 235             //    if they're owned (Windows only puts non owned windows into
 236             //    the taskbar normally)
 237             //
 238             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 239             // first one is dealt with in our MSWGetParent() method
 240             // implementation
 241             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 242             {
 243                 // need to force the frame to appear in the taskbar
 244                 *exflags |= WS_EX_APPWINDOW;
 245             }
 246             //else: nothing to do [here]
 247         }
 248 #endif // !__WXWINCE__
 249
 250         if ( style & wxSTAY_ON_TOP )
 251             *exflags |= WS_EX_TOPMOST;
 252
 253         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 254             *exflags |= WS_EX_CONTEXTHELP;
 255     }
 256
 257     return msflags;
 258 }
 259
 260 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 261 {
 262     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 263     // parent HWND or it would be always on top of its parent which is not what
 264     // we usually want (in fact, we only want it for frames with the
 265     // wxFRAME_FLOAT_ON_PARENT flag)
 266     HWND hwndParent = NULL;
 267     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 268     {
 269         const wxWindow *parent = GetParent();
 270
 271         if ( !parent )
 272         {
 273             // this flag doesn't make sense then and will be ignored
 274             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 275         }
 276         else
 277         {
 278             hwndParent = GetHwndOf(parent);
 279         }
 280     }
 281     //else: don't float on parent, must not be owned
 282
 283     // now deal with the 2nd taskbar-related problem (see comments above in
 284     // MSWGetStyle())
 285     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 286     {
 287         // use hidden parent
 288         hwndParent = wxTLWHiddenParentModule::GetHWND();
 289     }
 290
 291     return (WXHWND)hwndParent;
 292 }
 293
 294 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 295                                        const wxString& title,
 296                                        const wxPoint& pos,
 297                                        const wxSize& size)
 298 {
 299 #ifdef __WXMICROWIN__
 300     // no dialogs support under MicroWin yet
 301     return CreateFrame(title, pos, size);
 302 #else // !__WXMICROWIN__
 303     wxWindow *parent = GetParent();
 304
 305     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 306     // app window as parent - this avoids creating modal dialogs without
 307     // parent
 308     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 309     {
 310         parent = wxTheApp->GetTopWindow();
 311
 312         if ( parent )
 313         {
 314             // don't use transient windows as parents, this is dangerous as it
 315             // can lead to a crash if the parent is destroyed before the child
 316             //
 317             // also don't use the window which is currently hidden as then the
 318             // dialog would be hidden as well
 319             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 320                     !parent->IsShown() )
 321             {
 322                 parent = NULL;
 323             }
 324         }
 325     }
 326
 327     m_hWnd = (WXHWND)::CreateDialogIndirect
 328                        (
 329                         wxGetInstance(),
 330                         (DLGTEMPLATE*)dlgTemplate,
 331                         parent ? GetHwndOf(parent) : NULL,
 332                         (DLGPROC)wxDlgProc
 333                        );
 334
 335     if ( !m_hWnd )
 336     {
 337         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 338
 339         wxLogSysError(wxT("Can't create dialog using memory template"));
 340
 341         return FALSE;
 342     }
 343
 344     WXDWORD exflags;
 345     (void)MSWGetCreateWindowFlags(&exflags);
 346
 347     if ( exflags )
 348     {
 349         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 350         ::SetWindowPos(GetHwnd(),
 351                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 352                        0, 0, 0, 0,
 353                        SWP_NOSIZE |
 354                        SWP_NOMOVE |
 355                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 356                        SWP_NOACTIVATE);
 357     }
 358
 359 #if defined(__WIN95__)
 360     // For some reason, the system menu is activated when we use the
 361     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 362     if ( exflags & WS_EX_CONTEXTHELP )
 363     {
 364         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 365         if ( winTop )
 366         {
 367             wxIcon icon = winTop->GetIcon();
 368             if ( icon.Ok() )
 369             {
 370                 ::SendMessage(GetHwnd(), WM_SETICON,
 371                               (WPARAM)TRUE,
 372                               (LPARAM)GetHiconOf(icon));
 373             }
 374         }
 375     }
 376 #endif // __WIN95__
 377
 378     // move the dialog to its initial position without forcing repainting
 379     int x, y, w, h;
 380     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 381
 382     if ( x == (int)CW_USEDEFAULT )
 383     {
 384         // centre it on the screen - what else can we do?
 385         wxSize sizeDpy = wxGetDisplaySize();
 386
 387         x = (sizeDpy.x - w) / 2;
 388         y = (sizeDpy.y - h) / 2;
 389     }
 390
 391 #ifndef __WXWINCE__
 392     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 393     {
 394         wxLogLastError(wxT("MoveWindow"));
 395     }
 396 #endif
 397
 398     if ( !title.empty() )
 399     {
 400         ::SetWindowText(GetHwnd(), title);
 401     }
 402
 403     SubclassWin(m_hWnd);
 404
 405     return TRUE;
 406 #endif // __WXMICROWIN__/!__WXMICROWIN__
 407 }
 408
 409 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 410                                       const wxPoint& pos,
 411                                       const wxSize& size)
 412 {
 413     WXDWORD exflags;
 414     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 415
 416     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 417 }
 418
 419 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 420                                  wxWindowID id,
 421                                  const wxString& title,
 422                                  const wxPoint& pos,
 423                                  const wxSize& size,
 424                                  long style,
 425                                  const wxString& name)
 426 {
 427     bool ret wxDUMMY_INITIALIZE(false);
 428
 429     // init our fields
 430     Init();
 431
 432     wxSize sizeReal = size;
 433     if ( !sizeReal.IsFullySpecified() )
 434     {
 435         sizeReal.SetDefaults(GetDefaultSize());
 436     }
 437
 438     m_windowStyle = style;
 439
 440     SetName(name);
 441
 442     m_windowId = id == -1 ? NewControlId() : id;
 443
 444     wxTopLevelWindows.Append(this);
 445
 446     if ( parent )
 447         parent->AddChild(this);
 448
 449     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 450     {
 451         // we have different dialog templates to allows creation of dialogs
 452         // with & without captions under MSWindows, resizeable or not (but a
 453         // resizeable dialog always has caption - otherwise it would look too
 454         // strange)
 455
 456         // we need 3 additional WORDs for dialog menu, class and title (as we
 457         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 458         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 459         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 460         memset(dlgTemplate, 0, dlgsize);
 461
 462         // these values are arbitrary, they won't be used normally anyhow
 463         dlgTemplate->x  = 34;
 464         dlgTemplate->y  = 22;
 465         dlgTemplate->cx = 144;
 466         dlgTemplate->cy = 75;
 467
 468         // reuse the code in MSWGetStyle() but correct the results slightly for
 469         // the dialog
 470         dlgTemplate->style = MSWGetStyle(style, NULL);
 471
 472         // all dialogs are popups
 473         dlgTemplate->style |= WS_POPUP;
 474
 475         // force 3D-look if necessary, it looks impossibly ugly otherwise
 476         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 477             dlgTemplate->style |= DS_MODALFRAME;
 478
 479         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 480         free(dlgTemplate);
 481     }
 482     else // !dialog
 483     {
 484         ret = CreateFrame(title, pos, sizeReal);
 485     }
 486
 487     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 488     {
 489         EnableCloseButton(false);
 490     }
 491
 492     // for some reason we need to manually send ourselves this message as
 493     // otherwise the mnemonics are always shown -- even if they're configured
 494     // to be hidden until "Alt" is pressed in the control panel
 495     //
 496     // this could indicate a bug somewhere else but for now this is the only
 497     // fix we have
 498     if ( ret )
 499     {
 500         SendMessage
 501         (
 502             GetHwnd(),
 503             WM_UPDATEUISTATE,
 504             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 505             0
 506         );
 507     }
 508
 509     return ret;
 510 }
 511
 512 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 513 {
 514     if ( wxModelessWindows.Find(this) )
 515         wxModelessWindows.DeleteObject(this);
 516
 517     // after destroying an owned window, Windows activates the next top level
 518     // window in Z order but it may be different from our owner (to reproduce
 519     // this simply Alt-TAB to another application and back before closing the
 520     // owned frame) whereas we always want to yield activation to our parent
 521     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 522     {
 523         wxWindow *parent = GetParent();
 524         if ( parent )
 525         {
 526             ::BringWindowToTop(GetHwndOf(parent));
 527         }
 528     }
 529 }
 530
 531 // ----------------------------------------------------------------------------
 532 // wxTopLevelWindowMSW showing
 533 // ----------------------------------------------------------------------------
 534
 535 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 536 {
 537     ::ShowWindow(GetHwnd(), nShowCmd);
 538
 539     m_iconized = nShowCmd == SW_MINIMIZE;
 540 }
 541
 542 bool wxTopLevelWindowMSW::Show(bool show)
 543 {
 544     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 545     if ( !wxWindowBase::Show(show) )
 546         return FALSE;
 547
 548     int nShowCmd;
 549     if ( show )
 550     {
 551         if ( m_maximizeOnShow )
 552         {
 553             // show and maximize
 554             nShowCmd = SW_MAXIMIZE;
 555
 556             m_maximizeOnShow = FALSE;
 557         }
 558         else // just show
 559         {
 560            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 561                nShowCmd = SW_SHOWNA;
 562            else
 563                nShowCmd = SW_SHOW;
 564         }
 565     }
 566     else // hide
 567     {
 568         nShowCmd = SW_HIDE;
 569     }
 570
 571     DoShowWindow(nShowCmd);
 572
 573     if ( show )
 574     {
 575         ::BringWindowToTop(GetHwnd());
 576
 577         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 578         event.SetEventObject( this );
 579         GetEventHandler()->ProcessEvent(event);
 580     }
 581     else // hide
 582     {
 583         // Try to highlight the correct window (the parent)
 584         if ( GetParent() )
 585         {
 586             HWND hWndParent = GetHwndOf(GetParent());
 587             if (hWndParent)
 588                 ::BringWindowToTop(hWndParent);
 589         }
 590     }
 591
 592     return TRUE;
 593 }
 594
 595 // ----------------------------------------------------------------------------
 596 // wxTopLevelWindowMSW maximize/minimize
 597 // ----------------------------------------------------------------------------
 598
 599 void wxTopLevelWindowMSW::Maximize(bool maximize)
 600 {
 601     if ( IsShown() )
 602     {
 603         // just maximize it directly
 604         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 605     }
 606     else // hidden
 607     {
 608         // we can't maximize the hidden frame because it shows it as well, so
 609         // just remember that we should do it later in this case
 610         m_maximizeOnShow = maximize;
 611     }
 612 }
 613
 614 bool wxTopLevelWindowMSW::IsMaximized() const
 615 {
 616 #ifdef __WXWINCE__
 617     return FALSE;
 618 #else
 619     return ::IsZoomed(GetHwnd()) != 0;
 620 #endif
 621 }
 622
 623 void wxTopLevelWindowMSW::Iconize(bool iconize)
 624 {
 625     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 626 }
 627
 628 bool wxTopLevelWindowMSW::IsIconized() const
 629 {
 630 #ifdef __WXWINCE__
 631     return FALSE;
 632 #else
 633     // also update the current state
 634     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 635
 636     return m_iconized;
 637 #endif
 638 }
 639
 640 void wxTopLevelWindowMSW::Restore()
 641 {
 642     DoShowWindow(SW_RESTORE);
 643 }
 644
 645 // ----------------------------------------------------------------------------
 646 // wxTopLevelWindowMSW fullscreen
 647 // ----------------------------------------------------------------------------
 648
 649 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 650 {
 651     if ( show == IsFullScreen() )
 652     {
 653         // nothing to do
 654         return TRUE;
 655     }
 656
 657     m_fsIsShowing = show;
 658
 659     if ( show )
 660     {
 661         m_fsStyle = style;
 662
 663         // zap the frame borders
 664
 665         // save the 'normal' window style
 666         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 667
 668         // save the old position, width & height, maximize state
 669         m_fsOldSize = GetRect();
 670         m_fsIsMaximized = IsMaximized();
 671
 672         // decide which window style flags to turn off
 673         LONG newStyle = m_fsOldWindowStyle;
 674         LONG offFlags = 0;
 675
 676         if (style & wxFULLSCREEN_NOBORDER)
 677         {
 678             offFlags |= WS_BORDER;
 679 #ifndef __WXWINCE__
 680             offFlags |= WS_THICKFRAME;
 681 #endif
 682         }
 683         if (style & wxFULLSCREEN_NOCAPTION)
 684             offFlags |= WS_CAPTION | WS_SYSMENU;
 685
 686         newStyle &= ~offFlags;
 687
 688         // change our window style to be compatible with full-screen mode
 689         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 690
 691         wxRect rect;
 692 #if wxUSE_DISPLAY
 693         // resize to the size of the display containing us
 694         int dpy = wxDisplay::GetFromWindow(this);
 695         if ( dpy != wxNOT_FOUND )
 696         {
 697             rect = wxDisplay(dpy).GetGeometry();
 698         }
 699         else // fall back to the main desktop
 700 #else // wxUSE_DISPLAY
 701         {
 702             // resize to the size of the desktop
 703             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 704 #ifdef __WXWINCE__
 705             // FIXME: size of the bottom menu (toolbar)
 706             // should be taken in account
 707             rect.height += rect.y;
 708             rect.y       = 0;
 709 #endif
 710         }
 711 #endif // wxUSE_DISPLAY
 712
 713         SetSize(rect);
 714
 715         // now flush the window style cache and actually go full-screen
 716         long flags = SWP_FRAMECHANGED;
 717
 718         // showing the frame full screen should also show it if it's still
 719         // hidden
 720         if ( !IsShown() )
 721         {
 722             // don't call wxWindow version to avoid flicker from calling
 723             // ::ShowWindow() -- we're going to show the window at the correct
 724             // location directly below -- but do call the wxWindowBase version
 725             // to sync the internal m_isShown flag
 726             wxWindowBase::Show();
 727
 728             flags |= SWP_SHOWWINDOW;
 729         }
 730
 731         SetWindowPos(GetHwnd(), HWND_TOP,
 732                      rect.x, rect.y, rect.width, rect.height,
 733                      flags);
 734
 735 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 736         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 737 #endif
 738
 739         // finally send an event allowing the window to relayout itself &c
 740         wxSizeEvent event(rect.GetSize(), GetId());
 741         GetEventHandler()->ProcessEvent(event);
 742     }
 743     else // stop showing full screen
 744     {
 745 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 746         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 747 #endif
 748         Maximize(m_fsIsMaximized);
 749         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 750         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 751             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 752     }
 753
 754     return TRUE;
 755 }
 756
 757 // ----------------------------------------------------------------------------
 758 // wxTopLevelWindowMSW misc
 759 // ----------------------------------------------------------------------------
 760
 761 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 762 {
 763     SetIcons( wxIconBundle( icon ) );
 764 }
 765
 766 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 767 {
 768     wxTopLevelWindowBase::SetIcons(icons);
 769
 770 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 771     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 772     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 773     {
 774         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 775                        (LPARAM)GetHiconOf(sml) );
 776     }
 777
 778     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 779     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 780     {
 781         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 782                        (LPARAM)GetHiconOf(big) );
 783     }
 784 #endif // __WIN95__
 785 }
 786
 787 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 788 {
 789 #if !defined(__WXMICROWIN__)
 790     // get system (a.k.a. window) menu
 791     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 792     if ( !hmenu )
 793     {
 794         // no system menu at all -- ok if we want to remove the close button
 795         // anyhow, but bad if we want to show it
 796         return !enable;
 797     }
 798
 799     // enabling/disabling the close item from it also automatically
 800     // disables/enables the close title bar button
 801     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 802                           MF_BYCOMMAND |
 803                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 804     {
 805         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 806
 807         return FALSE;
 808     }
 809
 810     // update appearance immediately
 811     if ( !::DrawMenuBar(GetHwnd()) )
 812     {
 813         wxLogLastError(_T("DrawMenuBar"));
 814     }
 815 #endif // !__WXMICROWIN__
 816
 817     return TRUE;
 818 }
 819
 820 #ifndef __WXWINCE__
 821
 822 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 823 {
 824     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 825                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 826
 827     // The empty region signifies that the shape should be removed from the
 828     // window.
 829     if ( region.IsEmpty() )
 830     {
 831         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 832         {
 833             wxLogLastError(_T("SetWindowRgn"));
 834             return FALSE;
 835         }
 836         return TRUE;
 837     }
 838
 839     // Windows takes ownership of the region, so
 840     // we'll have to make a copy of the region to give to it.
 841     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 842     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 843     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 844     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 845     delete[] (char*) rgnData;
 846
 847     // SetWindowRgn expects the region to be in coordinants
 848     // relative to the window, not the client area.  Figure
 849     // out the offset, if any.
 850     RECT rect;
 851     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 852     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 853     ::GetClientRect(GetHwnd(), &rect);
 854     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 855     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 856
 857     // Now call the shape API with the new region.
 858     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 859     {
 860         wxLogLastError(_T("SetWindowRgn"));
 861         return FALSE;
 862     }
 863     return TRUE;
 864 }
 865
 866 #endif // !__WXWINCE__
 867
 868 // ----------------------------------------------------------------------------
 869 // wxTopLevelWindow event handling
 870 // ----------------------------------------------------------------------------
 871
 872 // Default activation behaviour - set the focus for the first child
 873 // subwindow found.
 874 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 875 {
 876     if ( event.GetActive() )
 877     {
 878         // restore focus to the child which was last focused unless we already
 879         // have it
 880         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 881
 882         wxWindow *winFocus = FindFocus();
 883         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 884         {
 885             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 886                                                 : NULL;
 887             if ( !parent )
 888             {
 889                 parent = this;
 890             }
 891
 892             wxSetFocusToChild(parent, &m_winLastFocused);
 893         }
 894     }
 895     else // deactivating
 896     {
 897         // remember the last focused child if it is our child
 898         m_winLastFocused = FindFocus();
 899
 900         if ( m_winLastFocused )
 901         {
 902             // let it know that it doesn't have focus any more
 903             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 904
 905             // and don't remember it if it's a child from some other frame
 906             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 907             {
 908                 m_winLastFocused = NULL;
 909             }
 910         }
 911
 912         wxLogTrace(_T("focus"),
 913                    _T("wxTLW %08x deactivated, last focused: %08x."),
 914                    (int) m_hWnd,
 915                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 916                                            : NULL));
 917
 918         event.Skip();
 919     }
 920 }
 921
 922 // the DialogProc for all wxWindows dialogs
 923 LONG APIENTRY _EXPORT
 924 wxDlgProc(HWND hDlg,
 925           UINT message,
 926           WPARAM WXUNUSED(wParam),
 927           LPARAM WXUNUSED(lParam))
 928 {
 929     switch ( message )
 930     {
 931         case WM_INITDIALOG:
 932             // for this message, returning TRUE tells system to set focus to
 933             // the first control in the dialog box, but as we set the focus
 934             // ourselves, we return FALSE from here as well, so fall through
 935 #ifdef __WXWINCE__
 936         {
 937             SHINITDLGINFO shidi;
 938             shidi.dwMask = SHIDIM_FLAGS;
 939             shidi.dwFlags = SHIDIF_DONEBUTTON |
 940                             SHIDIF_SIZEDLGFULLSCREEN;
 941             shidi.hDlg = hDlg;
 942             SHInitDialog( &shidi );
 943         }
 944 #endif
 945
 946         default:
 947             // for all the other ones, FALSE means that we didn't process the
 948             // message
 949             return FALSE;
 950     }
 951 }
 952
 953 // ============================================================================
 954 // wxTLWHiddenParentModule implementation
 955 // ============================================================================
 956
 957 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 958
 959 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 960
 961 bool wxTLWHiddenParentModule::OnInit()
 962 {
 963     ms_hwnd = NULL;
 964     ms_className = NULL;
 965
 966     return TRUE;
 967 }
 968
 969 void wxTLWHiddenParentModule::OnExit()
 970 {
 971     if ( ms_hwnd )
 972     {
 973         if ( !::DestroyWindow(ms_hwnd) )
 974         {
 975             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 976         }
 977
 978         ms_hwnd = NULL;
 979     }
 980
 981     if ( ms_className )
 982     {
 983         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 984         {
 985             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 986         }
 987
 988         ms_className = NULL;
 989     }
 990 }
 991
 992 /* static */
 993 HWND wxTLWHiddenParentModule::GetHWND()
 994 {
 995     if ( !ms_hwnd )
 996     {
 997         if ( !ms_className )
 998         {
 999             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1000
1001             WNDCLASS wndclass;
1002             wxZeroMemory(wndclass);
1003
1004             wndclass.lpfnWndProc   = DefWindowProc;
1005             wndclass.hInstance     = wxGetInstance();
1006             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1007
1008             if ( !::RegisterClass(&wndclass) )
1009             {
1010                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1011             }
1012             else
1013             {
1014                 ms_className = HIDDEN_PARENT_CLASS;
1015             }
1016         }
1017
1018         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1019                                  (HMENU)NULL, wxGetInstance(), NULL);
1020         if ( !ms_hwnd )
1021         {
1022             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1023         }
1024     }
1025
1026     return ms_hwnd;
1027 }
1028
1029