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 #if _WIN32_WCE < 400 || defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP)
 418         // Always expand to fit the screen in PocketPC or SmartPhone
 419         wxSize sz(wxDefaultSize);
 420 #else // other (including normal desktop) Windows
 421         wxSize sz(size);
 422 #endif
 423
 424     return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 425 }
 426
 427 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 428                                  wxWindowID id,
 429                                  const wxString& title,
 430                                  const wxPoint& pos,
 431                                  const wxSize& size,
 432                                  long style,
 433                                  const wxString& name)
 434 {
 435     bool ret wxDUMMY_INITIALIZE(false);
 436
 437     // init our fields
 438     Init();
 439
 440     wxSize sizeReal = size;
 441     if ( !sizeReal.IsFullySpecified() )
 442     {
 443         sizeReal.SetDefaults(GetDefaultSize());
 444     }
 445
 446     m_windowStyle = style;
 447
 448     SetName(name);
 449
 450     m_windowId = id == -1 ? NewControlId() : id;
 451
 452     wxTopLevelWindows.Append(this);
 453
 454     if ( parent )
 455         parent->AddChild(this);
 456
 457     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 458     {
 459         // we have different dialog templates to allows creation of dialogs
 460         // with & without captions under MSWindows, resizeable or not (but a
 461         // resizeable dialog always has caption - otherwise it would look too
 462         // strange)
 463
 464         // we need 3 additional WORDs for dialog menu, class and title (as we
 465         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 466         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 467         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 468         memset(dlgTemplate, 0, dlgsize);
 469
 470         // these values are arbitrary, they won't be used normally anyhow
 471         dlgTemplate->x  = 34;
 472         dlgTemplate->y  = 22;
 473         dlgTemplate->cx = 144;
 474         dlgTemplate->cy = 75;
 475
 476         // reuse the code in MSWGetStyle() but correct the results slightly for
 477         // the dialog
 478         dlgTemplate->style = MSWGetStyle(style, NULL);
 479
 480         // all dialogs are popups
 481         dlgTemplate->style |= WS_POPUP;
 482
 483         // force 3D-look if necessary, it looks impossibly ugly otherwise
 484         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 485             dlgTemplate->style |= DS_MODALFRAME;
 486
 487         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 488         free(dlgTemplate);
 489     }
 490     else // !dialog
 491     {
 492         ret = CreateFrame(title, pos, sizeReal);
 493     }
 494
 495     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 496     {
 497         EnableCloseButton(false);
 498     }
 499
 500     // for some reason we need to manually send ourselves this message as
 501     // otherwise the mnemonics are always shown -- even if they're configured
 502     // to be hidden until "Alt" is pressed in the control panel
 503     //
 504     // this could indicate a bug somewhere else but for now this is the only
 505     // fix we have
 506     if ( ret )
 507     {
 508         SendMessage
 509         (
 510             GetHwnd(),
 511             WM_UPDATEUISTATE,
 512             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 513             0
 514         );
 515     }
 516
 517     return ret;
 518 }
 519
 520 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 521 {
 522     if ( wxModelessWindows.Find(this) )
 523         wxModelessWindows.DeleteObject(this);
 524
 525     // after destroying an owned window, Windows activates the next top level
 526     // window in Z order but it may be different from our owner (to reproduce
 527     // this simply Alt-TAB to another application and back before closing the
 528     // owned frame) whereas we always want to yield activation to our parent
 529     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 530     {
 531         wxWindow *parent = GetParent();
 532         if ( parent )
 533         {
 534             ::BringWindowToTop(GetHwndOf(parent));
 535         }
 536     }
 537 }
 538
 539 // ----------------------------------------------------------------------------
 540 // wxTopLevelWindowMSW showing
 541 // ----------------------------------------------------------------------------
 542
 543 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 544 {
 545     ::ShowWindow(GetHwnd(), nShowCmd);
 546
 547     m_iconized = nShowCmd == SW_MINIMIZE;
 548 }
 549
 550 bool wxTopLevelWindowMSW::Show(bool show)
 551 {
 552     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 553     if ( !wxWindowBase::Show(show) )
 554         return FALSE;
 555
 556     int nShowCmd;
 557     if ( show )
 558     {
 559         if ( m_maximizeOnShow )
 560         {
 561             // show and maximize
 562             nShowCmd = SW_MAXIMIZE;
 563
 564             m_maximizeOnShow = FALSE;
 565         }
 566         else // just show
 567         {
 568            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 569                nShowCmd = SW_SHOWNA;
 570            else
 571                nShowCmd = SW_SHOW;
 572         }
 573     }
 574     else // hide
 575     {
 576         nShowCmd = SW_HIDE;
 577     }
 578
 579     DoShowWindow(nShowCmd);
 580
 581     if ( show )
 582     {
 583         ::BringWindowToTop(GetHwnd());
 584
 585         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 586         event.SetEventObject( this );
 587         GetEventHandler()->ProcessEvent(event);
 588     }
 589     else // hide
 590     {
 591         // Try to highlight the correct window (the parent)
 592         if ( GetParent() )
 593         {
 594             HWND hWndParent = GetHwndOf(GetParent());
 595             if (hWndParent)
 596                 ::BringWindowToTop(hWndParent);
 597         }
 598     }
 599
 600     return TRUE;
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // wxTopLevelWindowMSW maximize/minimize
 605 // ----------------------------------------------------------------------------
 606
 607 void wxTopLevelWindowMSW::Maximize(bool maximize)
 608 {
 609     if ( IsShown() )
 610     {
 611         // just maximize it directly
 612         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 613     }
 614     else // hidden
 615     {
 616         // we can't maximize the hidden frame because it shows it as well, so
 617         // just remember that we should do it later in this case
 618         m_maximizeOnShow = maximize;
 619     }
 620 }
 621
 622 bool wxTopLevelWindowMSW::IsMaximized() const
 623 {
 624 #ifdef __WXWINCE__
 625     return FALSE;
 626 #else
 627     return ::IsZoomed(GetHwnd()) != 0;
 628 #endif
 629 }
 630
 631 void wxTopLevelWindowMSW::Iconize(bool iconize)
 632 {
 633     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 634 }
 635
 636 bool wxTopLevelWindowMSW::IsIconized() const
 637 {
 638 #ifdef __WXWINCE__
 639     return FALSE;
 640 #else
 641     // also update the current state
 642     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 643
 644     return m_iconized;
 645 #endif
 646 }
 647
 648 void wxTopLevelWindowMSW::Restore()
 649 {
 650     DoShowWindow(SW_RESTORE);
 651 }
 652
 653 // ----------------------------------------------------------------------------
 654 // wxTopLevelWindowMSW fullscreen
 655 // ----------------------------------------------------------------------------
 656
 657 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 658 {
 659     if ( show == IsFullScreen() )
 660     {
 661         // nothing to do
 662         return TRUE;
 663     }
 664
 665     m_fsIsShowing = show;
 666
 667     if ( show )
 668     {
 669         m_fsStyle = style;
 670
 671         // zap the frame borders
 672
 673         // save the 'normal' window style
 674         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 675
 676         // save the old position, width & height, maximize state
 677         m_fsOldSize = GetRect();
 678         m_fsIsMaximized = IsMaximized();
 679
 680         // decide which window style flags to turn off
 681         LONG newStyle = m_fsOldWindowStyle;
 682         LONG offFlags = 0;
 683
 684         if (style & wxFULLSCREEN_NOBORDER)
 685         {
 686             offFlags |= WS_BORDER;
 687 #ifndef __WXWINCE__
 688             offFlags |= WS_THICKFRAME;
 689 #endif
 690         }
 691         if (style & wxFULLSCREEN_NOCAPTION)
 692             offFlags |= WS_CAPTION | WS_SYSMENU;
 693
 694         newStyle &= ~offFlags;
 695
 696         // change our window style to be compatible with full-screen mode
 697         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 698
 699         wxRect rect;
 700 #if wxUSE_DISPLAY
 701         // resize to the size of the display containing us
 702         int dpy = wxDisplay::GetFromWindow(this);
 703         if ( dpy != wxNOT_FOUND )
 704         {
 705             rect = wxDisplay(dpy).GetGeometry();
 706         }
 707         else // fall back to the main desktop
 708 #else // wxUSE_DISPLAY
 709         {
 710             // resize to the size of the desktop
 711             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 712 #ifdef __WXWINCE__
 713             // FIXME: size of the bottom menu (toolbar)
 714             // should be taken in account
 715             rect.height += rect.y;
 716             rect.y       = 0;
 717 #endif
 718         }
 719 #endif // wxUSE_DISPLAY
 720
 721         SetSize(rect);
 722
 723         // now flush the window style cache and actually go full-screen
 724         long flags = SWP_FRAMECHANGED;
 725
 726         // showing the frame full screen should also show it if it's still
 727         // hidden
 728         if ( !IsShown() )
 729         {
 730             // don't call wxWindow version to avoid flicker from calling
 731             // ::ShowWindow() -- we're going to show the window at the correct
 732             // location directly below -- but do call the wxWindowBase version
 733             // to sync the internal m_isShown flag
 734             wxWindowBase::Show();
 735
 736             flags |= SWP_SHOWWINDOW;
 737         }
 738
 739         SetWindowPos(GetHwnd(), HWND_TOP,
 740                      rect.x, rect.y, rect.width, rect.height,
 741                      flags);
 742
 743 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 744         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 745 #endif
 746
 747         // finally send an event allowing the window to relayout itself &c
 748         wxSizeEvent event(rect.GetSize(), GetId());
 749         GetEventHandler()->ProcessEvent(event);
 750     }
 751     else // stop showing full screen
 752     {
 753 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 754         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 755 #endif
 756         Maximize(m_fsIsMaximized);
 757         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 758         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 759             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 760     }
 761
 762     return TRUE;
 763 }
 764
 765 // ----------------------------------------------------------------------------
 766 // wxTopLevelWindowMSW misc
 767 // ----------------------------------------------------------------------------
 768
 769 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 770 {
 771     SetIcons( wxIconBundle( icon ) );
 772 }
 773
 774 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 775 {
 776     wxTopLevelWindowBase::SetIcons(icons);
 777
 778 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 779     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 780     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 781     {
 782         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 783                        (LPARAM)GetHiconOf(sml) );
 784     }
 785
 786     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 787     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 788     {
 789         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 790                        (LPARAM)GetHiconOf(big) );
 791     }
 792 #endif // __WIN95__
 793 }
 794
 795 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 796 {
 797 #if !defined(__WXMICROWIN__)
 798     // get system (a.k.a. window) menu
 799     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 800     if ( !hmenu )
 801     {
 802         // no system menu at all -- ok if we want to remove the close button
 803         // anyhow, but bad if we want to show it
 804         return !enable;
 805     }
 806
 807     // enabling/disabling the close item from it also automatically
 808     // disables/enables the close title bar button
 809     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 810                           MF_BYCOMMAND |
 811                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 812     {
 813         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 814
 815         return FALSE;
 816     }
 817 #ifndef __WXWINCE__
 818     // update appearance immediately
 819     if ( !::DrawMenuBar(GetHwnd()) )
 820     {
 821         wxLogLastError(_T("DrawMenuBar"));
 822     }
 823 #endif
 824 #endif // !__WXMICROWIN__
 825
 826     return TRUE;
 827 }
 828
 829 #ifndef __WXWINCE__
 830
 831 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 832 {
 833     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 834                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 835
 836     // The empty region signifies that the shape should be removed from the
 837     // window.
 838     if ( region.IsEmpty() )
 839     {
 840         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 841         {
 842             wxLogLastError(_T("SetWindowRgn"));
 843             return FALSE;
 844         }
 845         return TRUE;
 846     }
 847
 848     // Windows takes ownership of the region, so
 849     // we'll have to make a copy of the region to give to it.
 850     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 851     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 852     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 853     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 854     delete[] (char*) rgnData;
 855
 856     // SetWindowRgn expects the region to be in coordinants
 857     // relative to the window, not the client area.  Figure
 858     // out the offset, if any.
 859     RECT rect;
 860     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 861     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 862     ::GetClientRect(GetHwnd(), &rect);
 863     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 864     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 865
 866     // Now call the shape API with the new region.
 867     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 868     {
 869         wxLogLastError(_T("SetWindowRgn"));
 870         return FALSE;
 871     }
 872     return TRUE;
 873 }
 874
 875 #endif // !__WXWINCE__
 876
 877 // ----------------------------------------------------------------------------
 878 // wxTopLevelWindow event handling
 879 // ----------------------------------------------------------------------------
 880
 881 // Default activation behaviour - set the focus for the first child
 882 // subwindow found.
 883 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 884 {
 885     if ( event.GetActive() )
 886     {
 887         // restore focus to the child which was last focused unless we already
 888         // have it
 889         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 890
 891         wxWindow *winFocus = FindFocus();
 892         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 893         {
 894             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 895                                                 : NULL;
 896             if ( !parent )
 897             {
 898                 parent = this;
 899             }
 900
 901             wxSetFocusToChild(parent, &m_winLastFocused);
 902         }
 903     }
 904     else // deactivating
 905     {
 906         // remember the last focused child if it is our child
 907         m_winLastFocused = FindFocus();
 908
 909         if ( m_winLastFocused )
 910         {
 911             // let it know that it doesn't have focus any more
 912             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 913
 914             // and don't remember it if it's a child from some other frame
 915             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 916             {
 917                 m_winLastFocused = NULL;
 918             }
 919         }
 920
 921         wxLogTrace(_T("focus"),
 922                    _T("wxTLW %08x deactivated, last focused: %08x."),
 923                    (int) m_hWnd,
 924                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 925                                            : NULL));
 926
 927         event.Skip();
 928     }
 929 }
 930
 931 // the DialogProc for all wxWindows dialogs
 932 LONG APIENTRY _EXPORT
 933 wxDlgProc(HWND hDlg,
 934           UINT message,
 935           WPARAM WXUNUSED(wParam),
 936           LPARAM WXUNUSED(lParam))
 937 {
 938     if ( message == WM_INITDIALOG )
 939     {
 940         // under CE, add a "Ok" button in the dialog title bar and make it full
 941         // screen
 942         //
 943         // VZ: we should probably allow for overriding this, e.g. by including
 944         //     MAXIMIZED flag in the dialog style by default and doing this
 945         //     only if it is present...
 946
 947         // Standard SDK doesn't have aygshell.dll: see
 948         // include/wx/msw/wince/libraries.h
 949 #if defined(__WXWINCE__) && !defined(WCE_PLATFORM_STANDARDSDK)
 950         SHINITDLGINFO shidi;
 951         shidi.dwMask = SHIDIM_FLAGS;
 952         shidi.dwFlags = SHIDIF_DONEBUTTON |
 953                         SHIDIF_SIZEDLGFULLSCREEN;
 954         shidi.hDlg = hDlg;
 955         SHInitDialog( &shidi );
 956 #else // no SHInitDialog()
 957         wxUnusedVar(hDlg);
 958 #endif
 959     }
 960
 961     // for almost all messages, returning FALSE means that we didn't process
 962     // the message
 963     //
 964     // for WM_INITDIALOG, returning TRUE tells system to set focus to
 965     // the first control in the dialog box, but as we set the focus
 966     // ourselves, we return FALSE for it as well
 967     return FALSE;
 968 }
 969
 970 // ============================================================================
 971 // wxTLWHiddenParentModule implementation
 972 // ============================================================================
 973
 974 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 975
 976 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 977
 978 bool wxTLWHiddenParentModule::OnInit()
 979 {
 980     ms_hwnd = NULL;
 981     ms_className = NULL;
 982
 983     return TRUE;
 984 }
 985
 986 void wxTLWHiddenParentModule::OnExit()
 987 {
 988     if ( ms_hwnd )
 989     {
 990         if ( !::DestroyWindow(ms_hwnd) )
 991         {
 992             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 993         }
 994
 995         ms_hwnd = NULL;
 996     }
 997
 998     if ( ms_className )
 999     {
1000         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1001         {
1002             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1003         }
1004
1005         ms_className = NULL;
1006     }
1007 }
1008
1009 /* static */
1010 HWND wxTLWHiddenParentModule::GetHWND()
1011 {
1012     if ( !ms_hwnd )
1013     {
1014         if ( !ms_className )
1015         {
1016             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1017
1018             WNDCLASS wndclass;
1019             wxZeroMemory(wndclass);
1020
1021             wndclass.lpfnWndProc   = DefWindowProc;
1022             wndclass.hInstance     = wxGetInstance();
1023             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1024
1025             if ( !::RegisterClass(&wndclass) )
1026             {
1027                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1028             }
1029             else
1030             {
1031                 ms_className = HIDDEN_PARENT_CLASS;
1032             }
1033         }
1034
1035         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1036                                  (HMENU)NULL, wxGetInstance(), NULL);
1037         if ( !ms_hwnd )
1038         {
1039             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1040         }
1041     }
1042
1043     return ms_hwnd;
1044 }
1045
1046