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   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  49   #if _WIN32_WCE < 400 || !defined(WCE_PLATFORM_STANDARDSDK)
  50     #include <aygshell.h>
  51   #endif
  52 #include "wx/msw/wince/missing.h"
  53 #endif
  54
  55 #include "wx/msw/missing.h"
  56 #include "wx/msw/winundef.h"
  57
  58 #include "wx/display.h"
  59
  60 #ifndef ICON_BIG
  61     #define ICON_BIG 1
  62 #endif
  63
  64 #ifndef ICON_SMALL
  65     #define ICON_SMALL 0
  66 #endif
  67
  68 // ----------------------------------------------------------------------------
  69 // stubs for missing functions under MicroWindows
  70 // ----------------------------------------------------------------------------
  71
  72 #ifdef __WXMICROWIN__
  73
  74 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  75 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  76
  77 #endif // __WXMICROWIN__
  78
  79 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  80 //     is not included by wxUniv build which does need wxDlgProc
  81 LONG APIENTRY _EXPORT
  82 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  83
  84 // ----------------------------------------------------------------------------
  85 // globals
  86 // ----------------------------------------------------------------------------
  87
  88 // list of all frames and modeless dialogs
  89 wxWindowList wxModelessWindows;
  90
  91 // the name of the default wxWindows class
  92 #ifdef __WXWINCE__
  93 extern       wxChar *wxCanvasClassName;
  94 #else
  95 extern const wxChar *wxCanvasClassName;
  96 #endif
  97
  98 // ----------------------------------------------------------------------------
  99 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
 100 // module to ensure that the window is always deleted)
 101 // ----------------------------------------------------------------------------
 102
 103 class wxTLWHiddenParentModule : public wxModule
 104 {
 105 public:
 106     // module init/finalize
 107     virtual bool OnInit();
 108     virtual void OnExit();
 109
 110     // get the hidden window (creates on demand)
 111     static HWND GetHWND();
 112
 113 private:
 114     // the HWND of the hidden parent
 115     static HWND ms_hwnd;
 116
 117     // the class used to create it
 118     static const wxChar *ms_className;
 119
 120     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 121 };
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 124
 125 // ============================================================================
 126 // wxTopLevelWindowMSW implementation
 127 // ============================================================================
 128
 129 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 130     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 131 END_EVENT_TABLE()
 132
 133 // ----------------------------------------------------------------------------
 134 // wxTopLevelWindowMSW creation
 135 // ----------------------------------------------------------------------------
 136
 137 void wxTopLevelWindowMSW::Init()
 138 {
 139     m_iconized =
 140     m_maximizeOnShow = FALSE;
 141
 142     // Data to save/restore when calling ShowFullScreen
 143     m_fsStyle = 0;
 144     m_fsOldWindowStyle = 0;
 145     m_fsIsMaximized = FALSE;
 146     m_fsIsShowing = FALSE;
 147
 148     m_winLastFocused = (wxWindow *)NULL;
 149 }
 150
 151 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 152 {
 153     // let the base class deal with the common styles but fix the ones which
 154     // don't make sense for us (we also deal with the borders ourselves)
 155     WXDWORD msflags = wxWindow::MSWGetStyle
 156                       (
 157                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 158                       ) & ~WS_CHILD & ~WS_VISIBLE;
 159
 160 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 161     msflags |= WS_VISIBLE;
 162 #endif
 163
 164     // first select the kind of window being created
 165     //
 166     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 167     // creates a window with both caption and border, hence we also test it
 168     // below in some other cases
 169     if ( style & wxFRAME_TOOL_WINDOW )
 170     {
 171         msflags |= WS_POPUP;
 172     }
 173     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 174
 175     // border and caption styles
 176     if ( style & wxRESIZE_BORDER )
 177         msflags |= WS_THICKFRAME;
 178     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 179         *exflags |= WS_EX_DLGMODALFRAME;
 180     else if ( !(style & wxBORDER_NONE) )
 181         msflags |= WS_BORDER;
 182     else
 183         msflags |= WS_POPUP;
 184
 185     // normally we consider that all windows without caption must be popups,
 186     // but CE is an exception: there windows normally do not have the caption
 187     // but shouldn't be made popups as popups can't have menus and don't look
 188     // like normal windows anyhow
 189     if ( style & wxCAPTION )
 190         msflags |= WS_CAPTION;
 191 #ifndef __WXWINCE__
 192     else
 193         msflags |= WS_POPUP;
 194 #endif // !__WXWINCE__
 195
 196     // next translate the individual flags
 197     if ( style & wxMINIMIZE_BOX )
 198         msflags |= WS_MINIMIZEBOX;
 199     if ( style & wxMAXIMIZE_BOX )
 200         msflags |= WS_MAXIMIZEBOX;
 201     if ( style & wxSYSTEM_MENU )
 202         msflags |= WS_SYSMENU;
 203
 204     // NB: under CE these 2 styles are not supported currently, we should
 205     //     call Minimize()/Maximize() "manually" if we want to support them
 206     if ( style & wxMINIMIZE )
 207         msflags |= WS_MINIMIZE;
 208     if ( style & wxMAXIMIZE )
 209         msflags |= WS_MAXIMIZE;
 210
 211     // Keep this here because it saves recoding this function in wxTinyFrame
 212     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 213         msflags |= WS_CAPTION;
 214
 215     if ( exflags )
 216     {
 217         // there is no taskbar under CE, so omit all this
 218 #ifndef __WXWINCE__
 219         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 220         {
 221             if ( style & wxFRAME_TOOL_WINDOW )
 222             {
 223                 // create the palette-like window
 224                 *exflags |= WS_EX_TOOLWINDOW;
 225
 226                 // tool windows shouldn't appear on the taskbar (as documented)
 227                 style |= wxFRAME_NO_TASKBAR;
 228             }
 229
 230             // We have to solve 2 different problems here:
 231             //
 232             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 233             //    taskbar even if they don't have a parent
 234             //
 235             // 2. frames without this style should appear in the taskbar even
 236             //    if they're owned (Windows only puts non owned windows into
 237             //    the taskbar normally)
 238             //
 239             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 240             // first one is dealt with in our MSWGetParent() method
 241             // implementation
 242             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 243             {
 244                 // need to force the frame to appear in the taskbar
 245                 *exflags |= WS_EX_APPWINDOW;
 246             }
 247             //else: nothing to do [here]
 248         }
 249 #endif // !__WXWINCE__
 250
 251         if ( style & wxSTAY_ON_TOP )
 252             *exflags |= WS_EX_TOPMOST;
 253
 254         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 255             *exflags |= WS_EX_CONTEXTHELP;
 256     }
 257
 258     return msflags;
 259 }
 260
 261 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 262 {
 263     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 264     // parent HWND or it would be always on top of its parent which is not what
 265     // we usually want (in fact, we only want it for frames with the
 266     // wxFRAME_FLOAT_ON_PARENT flag)
 267     HWND hwndParent = NULL;
 268     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 269     {
 270         const wxWindow *parent = GetParent();
 271
 272         if ( !parent )
 273         {
 274             // this flag doesn't make sense then and will be ignored
 275             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 276         }
 277         else
 278         {
 279             hwndParent = GetHwndOf(parent);
 280         }
 281     }
 282     //else: don't float on parent, must not be owned
 283
 284     // now deal with the 2nd taskbar-related problem (see comments above in
 285     // MSWGetStyle())
 286     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 287     {
 288         // use hidden parent
 289         hwndParent = wxTLWHiddenParentModule::GetHWND();
 290     }
 291
 292     return (WXHWND)hwndParent;
 293 }
 294
 295 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 296                                        const wxString& title,
 297                                        const wxPoint& pos,
 298                                        const wxSize& size)
 299 {
 300 #ifdef __WXMICROWIN__
 301     // no dialogs support under MicroWin yet
 302     return CreateFrame(title, pos, size);
 303 #else // !__WXMICROWIN__
 304     wxWindow *parent = GetParent();
 305
 306     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 307     // app window as parent - this avoids creating modal dialogs without
 308     // parent
 309     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 310     {
 311         parent = wxTheApp->GetTopWindow();
 312
 313         if ( parent )
 314         {
 315             // don't use transient windows as parents, this is dangerous as it
 316             // can lead to a crash if the parent is destroyed before the child
 317             //
 318             // also don't use the window which is currently hidden as then the
 319             // dialog would be hidden as well
 320             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 321                     !parent->IsShown() )
 322             {
 323                 parent = NULL;
 324             }
 325         }
 326     }
 327
 328     m_hWnd = (WXHWND)::CreateDialogIndirect
 329                        (
 330                         wxGetInstance(),
 331                         (DLGTEMPLATE*)dlgTemplate,
 332                         parent ? GetHwndOf(parent) : NULL,
 333                         (DLGPROC)wxDlgProc
 334                        );
 335
 336     if ( !m_hWnd )
 337     {
 338         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 339
 340         wxLogSysError(wxT("Can't create dialog using memory template"));
 341
 342         return FALSE;
 343     }
 344
 345     WXDWORD exflags;
 346     (void)MSWGetCreateWindowFlags(&exflags);
 347
 348     if ( exflags )
 349     {
 350         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 351         ::SetWindowPos(GetHwnd(),
 352                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 353                        0, 0, 0, 0,
 354                        SWP_NOSIZE |
 355                        SWP_NOMOVE |
 356                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 357                        SWP_NOACTIVATE);
 358     }
 359
 360 #if defined(__WIN95__)
 361     // For some reason, the system menu is activated when we use the
 362     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 363     if ( exflags & WS_EX_CONTEXTHELP )
 364     {
 365         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 366         if ( winTop )
 367         {
 368             wxIcon icon = winTop->GetIcon();
 369             if ( icon.Ok() )
 370             {
 371                 ::SendMessage(GetHwnd(), WM_SETICON,
 372                               (WPARAM)TRUE,
 373                               (LPARAM)GetHiconOf(icon));
 374             }
 375         }
 376     }
 377 #endif // __WIN95__
 378
 379     // move the dialog to its initial position without forcing repainting
 380     int x, y, w, h;
 381     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 382
 383     if ( x == (int)CW_USEDEFAULT )
 384     {
 385         // centre it on the screen - what else can we do?
 386         wxSize sizeDpy = wxGetDisplaySize();
 387
 388         x = (sizeDpy.x - w) / 2;
 389         y = (sizeDpy.y - h) / 2;
 390     }
 391
 392 #ifndef __WXWINCE__
 393     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 394     {
 395         wxLogLastError(wxT("MoveWindow"));
 396     }
 397 #endif
 398
 399     if ( !title.empty() )
 400     {
 401         ::SetWindowText(GetHwnd(), title);
 402     }
 403
 404     SubclassWin(m_hWnd);
 405
 406     return TRUE;
 407 #endif // __WXMICROWIN__/!__WXMICROWIN__
 408 }
 409
 410 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 411                                       const wxPoint& pos,
 412                                       const wxSize& size)
 413 {
 414     WXDWORD exflags;
 415     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 416
 417     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 418 }
 419
 420 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 421                                  wxWindowID id,
 422                                  const wxString& title,
 423                                  const wxPoint& pos,
 424                                  const wxSize& size,
 425                                  long style,
 426                                  const wxString& name)
 427 {
 428     bool ret wxDUMMY_INITIALIZE(false);
 429
 430     // init our fields
 431     Init();
 432
 433     wxSize sizeReal = size;
 434     if ( !sizeReal.IsFullySpecified() )
 435     {
 436         sizeReal.SetDefaults(GetDefaultSize());
 437     }
 438
 439     m_windowStyle = style;
 440
 441     SetName(name);
 442
 443     m_windowId = id == -1 ? NewControlId() : id;
 444
 445     wxTopLevelWindows.Append(this);
 446
 447     if ( parent )
 448         parent->AddChild(this);
 449
 450     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 451     {
 452         // we have different dialog templates to allows creation of dialogs
 453         // with & without captions under MSWindows, resizeable or not (but a
 454         // resizeable dialog always has caption - otherwise it would look too
 455         // strange)
 456
 457         // we need 3 additional WORDs for dialog menu, class and title (as we
 458         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 459         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 460         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 461         memset(dlgTemplate, 0, dlgsize);
 462
 463         // these values are arbitrary, they won't be used normally anyhow
 464         dlgTemplate->x  = 34;
 465         dlgTemplate->y  = 22;
 466         dlgTemplate->cx = 144;
 467         dlgTemplate->cy = 75;
 468
 469         // reuse the code in MSWGetStyle() but correct the results slightly for
 470         // the dialog
 471         dlgTemplate->style = MSWGetStyle(style, NULL);
 472
 473         // all dialogs are popups
 474         dlgTemplate->style |= WS_POPUP;
 475
 476         // force 3D-look if necessary, it looks impossibly ugly otherwise
 477         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 478             dlgTemplate->style |= DS_MODALFRAME;
 479
 480         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 481         free(dlgTemplate);
 482     }
 483     else // !dialog
 484     {
 485         ret = CreateFrame(title, pos, sizeReal);
 486     }
 487
 488     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 489     {
 490         EnableCloseButton(false);
 491     }
 492
 493     // for some reason we need to manually send ourselves this message as
 494     // otherwise the mnemonics are always shown -- even if they're configured
 495     // to be hidden until "Alt" is pressed in the control panel
 496     //
 497     // this could indicate a bug somewhere else but for now this is the only
 498     // fix we have
 499     if ( ret )
 500     {
 501         SendMessage
 502         (
 503             GetHwnd(),
 504             WM_UPDATEUISTATE,
 505             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 506             0
 507         );
 508     }
 509
 510     return ret;
 511 }
 512
 513 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 514 {
 515     if ( wxModelessWindows.Find(this) )
 516         wxModelessWindows.DeleteObject(this);
 517
 518     // after destroying an owned window, Windows activates the next top level
 519     // window in Z order but it may be different from our owner (to reproduce
 520     // this simply Alt-TAB to another application and back before closing the
 521     // owned frame) whereas we always want to yield activation to our parent
 522     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 523     {
 524         wxWindow *parent = GetParent();
 525         if ( parent )
 526         {
 527             ::BringWindowToTop(GetHwndOf(parent));
 528         }
 529     }
 530 }
 531
 532 // ----------------------------------------------------------------------------
 533 // wxTopLevelWindowMSW showing
 534 // ----------------------------------------------------------------------------
 535
 536 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 537 {
 538     ::ShowWindow(GetHwnd(), nShowCmd);
 539
 540     m_iconized = nShowCmd == SW_MINIMIZE;
 541 }
 542
 543 bool wxTopLevelWindowMSW::Show(bool show)
 544 {
 545     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 546     if ( !wxWindowBase::Show(show) )
 547         return FALSE;
 548
 549     int nShowCmd;
 550     if ( show )
 551     {
 552         if ( m_maximizeOnShow )
 553         {
 554             // show and maximize
 555             nShowCmd = SW_MAXIMIZE;
 556
 557             m_maximizeOnShow = FALSE;
 558         }
 559         else // just show
 560         {
 561            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 562                nShowCmd = SW_SHOWNA;
 563            else
 564                nShowCmd = SW_SHOW;
 565         }
 566     }
 567     else // hide
 568     {
 569         nShowCmd = SW_HIDE;
 570     }
 571
 572     DoShowWindow(nShowCmd);
 573
 574     if ( show )
 575     {
 576         ::BringWindowToTop(GetHwnd());
 577
 578         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 579         event.SetEventObject( this );
 580         GetEventHandler()->ProcessEvent(event);
 581     }
 582     else // hide
 583     {
 584         // Try to highlight the correct window (the parent)
 585         if ( GetParent() )
 586         {
 587             HWND hWndParent = GetHwndOf(GetParent());
 588             if (hWndParent)
 589                 ::BringWindowToTop(hWndParent);
 590         }
 591     }
 592
 593     return TRUE;
 594 }
 595
 596 // ----------------------------------------------------------------------------
 597 // wxTopLevelWindowMSW maximize/minimize
 598 // ----------------------------------------------------------------------------
 599
 600 void wxTopLevelWindowMSW::Maximize(bool maximize)
 601 {
 602     if ( IsShown() )
 603     {
 604         // just maximize it directly
 605         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 606     }
 607     else // hidden
 608     {
 609         // we can't maximize the hidden frame because it shows it as well, so
 610         // just remember that we should do it later in this case
 611         m_maximizeOnShow = maximize;
 612     }
 613 }
 614
 615 bool wxTopLevelWindowMSW::IsMaximized() const
 616 {
 617 #ifdef __WXWINCE__
 618     return FALSE;
 619 #else
 620     return ::IsZoomed(GetHwnd()) != 0;
 621 #endif
 622 }
 623
 624 void wxTopLevelWindowMSW::Iconize(bool iconize)
 625 {
 626     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 627 }
 628
 629 bool wxTopLevelWindowMSW::IsIconized() const
 630 {
 631 #ifdef __WXWINCE__
 632     return FALSE;
 633 #else
 634     // also update the current state
 635     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 636
 637     return m_iconized;
 638 #endif
 639 }
 640
 641 void wxTopLevelWindowMSW::Restore()
 642 {
 643     DoShowWindow(SW_RESTORE);
 644 }
 645
 646 // ----------------------------------------------------------------------------
 647 // wxTopLevelWindowMSW fullscreen
 648 // ----------------------------------------------------------------------------
 649
 650 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 651 {
 652     if ( show == IsFullScreen() )
 653     {
 654         // nothing to do
 655         return TRUE;
 656     }
 657
 658     m_fsIsShowing = show;
 659
 660     if ( show )
 661     {
 662         m_fsStyle = style;
 663
 664         // zap the frame borders
 665
 666         // save the 'normal' window style
 667         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 668
 669         // save the old position, width & height, maximize state
 670         m_fsOldSize = GetRect();
 671         m_fsIsMaximized = IsMaximized();
 672
 673         // decide which window style flags to turn off
 674         LONG newStyle = m_fsOldWindowStyle;
 675         LONG offFlags = 0;
 676
 677         if (style & wxFULLSCREEN_NOBORDER)
 678         {
 679             offFlags |= WS_BORDER;
 680 #ifndef __WXWINCE__
 681             offFlags |= WS_THICKFRAME;
 682 #endif
 683         }
 684         if (style & wxFULLSCREEN_NOCAPTION)
 685             offFlags |= WS_CAPTION | WS_SYSMENU;
 686
 687         newStyle &= ~offFlags;
 688
 689         // change our window style to be compatible with full-screen mode
 690         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 691
 692         wxRect rect;
 693 #if wxUSE_DISPLAY
 694         // resize to the size of the display containing us
 695         int dpy = wxDisplay::GetFromWindow(this);
 696         if ( dpy != wxNOT_FOUND )
 697         {
 698             rect = wxDisplay(dpy).GetGeometry();
 699         }
 700         else // fall back to the main desktop
 701 #else // wxUSE_DISPLAY
 702         {
 703             // resize to the size of the desktop
 704             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 705 #ifdef __WXWINCE__
 706             // FIXME: size of the bottom menu (toolbar)
 707             // should be taken in account
 708             rect.height += rect.y;
 709             rect.y       = 0;
 710 #endif
 711         }
 712 #endif // wxUSE_DISPLAY
 713
 714         SetSize(rect);
 715
 716         // now flush the window style cache and actually go full-screen
 717         long flags = SWP_FRAMECHANGED;
 718
 719         // showing the frame full screen should also show it if it's still
 720         // hidden
 721         if ( !IsShown() )
 722         {
 723             // don't call wxWindow version to avoid flicker from calling
 724             // ::ShowWindow() -- we're going to show the window at the correct
 725             // location directly below -- but do call the wxWindowBase version
 726             // to sync the internal m_isShown flag
 727             wxWindowBase::Show();
 728
 729             flags |= SWP_SHOWWINDOW;
 730         }
 731
 732         SetWindowPos(GetHwnd(), HWND_TOP,
 733                      rect.x, rect.y, rect.width, rect.height,
 734                      flags);
 735
 736 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 737         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 738 #endif
 739
 740         // finally send an event allowing the window to relayout itself &c
 741         wxSizeEvent event(rect.GetSize(), GetId());
 742         GetEventHandler()->ProcessEvent(event);
 743     }
 744     else // stop showing full screen
 745     {
 746 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 747         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 748 #endif
 749         Maximize(m_fsIsMaximized);
 750         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 751         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 752             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 753     }
 754
 755     return TRUE;
 756 }
 757
 758 // ----------------------------------------------------------------------------
 759 // wxTopLevelWindowMSW misc
 760 // ----------------------------------------------------------------------------
 761
 762 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 763 {
 764     SetIcons( wxIconBundle( icon ) );
 765 }
 766
 767 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 768 {
 769     wxTopLevelWindowBase::SetIcons(icons);
 770
 771 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 772     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 773     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 774     {
 775         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 776                        (LPARAM)GetHiconOf(sml) );
 777     }
 778
 779     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 780     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 781     {
 782         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 783                        (LPARAM)GetHiconOf(big) );
 784     }
 785 #endif // __WIN95__
 786 }
 787
 788 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 789 {
 790 #if !defined(__WXMICROWIN__)
 791     // get system (a.k.a. window) menu
 792     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 793     if ( !hmenu )
 794     {
 795         // no system menu at all -- ok if we want to remove the close button
 796         // anyhow, but bad if we want to show it
 797         return !enable;
 798     }
 799
 800     // enabling/disabling the close item from it also automatically
 801     // disables/enables the close title bar button
 802     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 803                           MF_BYCOMMAND |
 804                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 805     {
 806         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 807
 808         return FALSE;
 809     }
 810
 811     // update appearance immediately
 812     if ( !::DrawMenuBar(GetHwnd()) )
 813     {
 814         wxLogLastError(_T("DrawMenuBar"));
 815     }
 816 #endif // !__WXMICROWIN__
 817
 818     return TRUE;
 819 }
 820
 821 #ifndef __WXWINCE__
 822
 823 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 824 {
 825     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 826                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 827
 828     // The empty region signifies that the shape should be removed from the
 829     // window.
 830     if ( region.IsEmpty() )
 831     {
 832         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 833         {
 834             wxLogLastError(_T("SetWindowRgn"));
 835             return FALSE;
 836         }
 837         return TRUE;
 838     }
 839
 840     // Windows takes ownership of the region, so
 841     // we'll have to make a copy of the region to give to it.
 842     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 843     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 844     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 845     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 846     delete[] (char*) rgnData;
 847
 848     // SetWindowRgn expects the region to be in coordinants
 849     // relative to the window, not the client area.  Figure
 850     // out the offset, if any.
 851     RECT rect;
 852     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 853     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 854     ::GetClientRect(GetHwnd(), &rect);
 855     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 856     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 857
 858     // Now call the shape API with the new region.
 859     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 860     {
 861         wxLogLastError(_T("SetWindowRgn"));
 862         return FALSE;
 863     }
 864     return TRUE;
 865 }
 866
 867 #endif // !__WXWINCE__
 868
 869 // ----------------------------------------------------------------------------
 870 // wxTopLevelWindow event handling
 871 // ----------------------------------------------------------------------------
 872
 873 // Default activation behaviour - set the focus for the first child
 874 // subwindow found.
 875 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 876 {
 877     if ( event.GetActive() )
 878     {
 879         // restore focus to the child which was last focused unless we already
 880         // have it
 881         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 882
 883         wxWindow *winFocus = FindFocus();
 884         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 885         {
 886             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 887                                                 : NULL;
 888             if ( !parent )
 889             {
 890                 parent = this;
 891             }
 892
 893             wxSetFocusToChild(parent, &m_winLastFocused);
 894         }
 895     }
 896     else // deactivating
 897     {
 898         // remember the last focused child if it is our child
 899         m_winLastFocused = FindFocus();
 900
 901         if ( m_winLastFocused )
 902         {
 903             // let it know that it doesn't have focus any more
 904             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 905
 906             // and don't remember it if it's a child from some other frame
 907             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 908             {
 909                 m_winLastFocused = NULL;
 910             }
 911         }
 912
 913         wxLogTrace(_T("focus"),
 914                    _T("wxTLW %08x deactivated, last focused: %08x."),
 915                    (int) m_hWnd,
 916                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 917                                            : NULL));
 918
 919         event.Skip();
 920     }
 921 }
 922
 923 // the DialogProc for all wxWindows dialogs
 924 LONG APIENTRY _EXPORT
 925 wxDlgProc(HWND hDlg,
 926           UINT message,
 927           WPARAM WXUNUSED(wParam),
 928           LPARAM WXUNUSED(lParam))
 929 {
 930     switch ( message )
 931     {
 932         case WM_INITDIALOG:
 933             // for this message, returning TRUE tells system to set focus to
 934             // the first control in the dialog box, but as we set the focus
 935             // ourselves, we return FALSE from here as well, so fall through
 936                         // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
 937 #if defined(__WXWINCE__) && !defined(WCE_PLATFORM_STANDARDSDK)
 938         {
 939             SHINITDLGINFO shidi;
 940             shidi.dwMask = SHIDIM_FLAGS;
 941             shidi.dwFlags = SHIDIF_DONEBUTTON |
 942                             SHIDIF_SIZEDLGFULLSCREEN;
 943             shidi.hDlg = hDlg;
 944             SHInitDialog( &shidi );
 945         }
 946 #endif
 947
 948         default:
 949             // for all the other ones, FALSE means that we didn't process the
 950             // message
 951             return FALSE;
 952     }
 953 }
 954
 955 // ============================================================================
 956 // wxTLWHiddenParentModule implementation
 957 // ============================================================================
 958
 959 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 960
 961 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 962
 963 bool wxTLWHiddenParentModule::OnInit()
 964 {
 965     ms_hwnd = NULL;
 966     ms_className = NULL;
 967
 968     return TRUE;
 969 }
 970
 971 void wxTLWHiddenParentModule::OnExit()
 972 {
 973     if ( ms_hwnd )
 974     {
 975         if ( !::DestroyWindow(ms_hwnd) )
 976         {
 977             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 978         }
 979
 980         ms_hwnd = NULL;
 981     }
 982
 983     if ( ms_className )
 984     {
 985         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 986         {
 987             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 988         }
 989
 990         ms_className = NULL;
 991     }
 992 }
 993
 994 /* static */
 995 HWND wxTLWHiddenParentModule::GetHWND()
 996 {
 997     if ( !ms_hwnd )
 998     {
 999         if ( !ms_className )
1000         {
1001             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1002
1003             WNDCLASS wndclass;
1004             wxZeroMemory(wndclass);
1005
1006             wndclass.lpfnWndProc   = DefWindowProc;
1007             wndclass.hInstance     = wxGetInstance();
1008             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1009
1010             if ( !::RegisterClass(&wndclass) )
1011             {
1012                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1013             }
1014             else
1015             {
1016                 ms_className = HIDDEN_PARENT_CLASS;
1017             }
1018         }
1019
1020         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1021                                  (HMENU)NULL, wxGetInstance(), NULL);
1022         if ( !ms_hwnd )
1023         {
1024             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1025         }
1026     }
1027
1028     return ms_hwnd;
1029 }
1030
1031