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 #include "wx/dynlib.h"
  44
  45 #include "wx/msw/private.h"
  46 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  47   #include <ole2.h>
  48   #include <shellapi.h>
  49   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  50   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  51     #include <aygshell.h>
  52   #endif
  53 #include "wx/msw/wince/missing.h"
  54 #endif
  55
  56 #include "wx/msw/missing.h"
  57 #include "wx/msw/winundef.h"
  58
  59 #include "wx/display.h"
  60
  61 #ifndef ICON_BIG
  62     #define ICON_BIG 1
  63 #endif
  64
  65 #ifndef ICON_SMALL
  66     #define ICON_SMALL 0
  67 #endif
  68
  69 // ----------------------------------------------------------------------------
  70 // stubs for missing functions under MicroWindows
  71 // ----------------------------------------------------------------------------
  72
  73 #ifdef __WXMICROWIN__
  74
  75 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  76 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  77
  78 #endif // __WXMICROWIN__
  79
  80 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  81 //     is not included by wxUniv build which does need wxDlgProc
  82 LONG APIENTRY _EXPORT
  83 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  84
  85 // ----------------------------------------------------------------------------
  86 // globals
  87 // ----------------------------------------------------------------------------
  88
  89 // the name of the default wxWidgets class
  90 #ifdef __WXWINCE__
  91 extern       wxChar *wxCanvasClassName;
  92 #else
  93 extern const wxChar *wxCanvasClassName;
  94 #endif
  95
  96 // ----------------------------------------------------------------------------
  97 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  98 // module to ensure that the window is always deleted)
  99 // ----------------------------------------------------------------------------
 100
 101 class wxTLWHiddenParentModule : public wxModule
 102 {
 103 public:
 104     // module init/finalize
 105     virtual bool OnInit();
 106     virtual void OnExit();
 107
 108     // get the hidden window (creates on demand)
 109     static HWND GetHWND();
 110
 111 private:
 112     // the HWND of the hidden parent
 113     static HWND ms_hwnd;
 114
 115     // the class used to create it
 116     static const wxChar *ms_className;
 117
 118     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 119 };
 120
 121 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 122
 123 // ============================================================================
 124 // wxTopLevelWindowMSW implementation
 125 // ============================================================================
 126
 127 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 128     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 129 END_EVENT_TABLE()
 130
 131 // ----------------------------------------------------------------------------
 132 // wxTopLevelWindowMSW creation
 133 // ----------------------------------------------------------------------------
 134
 135 void wxTopLevelWindowMSW::Init()
 136 {
 137     m_iconized =
 138     m_maximizeOnShow = false;
 139
 140     // Data to save/restore when calling ShowFullScreen
 141     m_fsStyle = 0;
 142     m_fsOldWindowStyle = 0;
 143     m_fsIsMaximized = false;
 144     m_fsIsShowing = false;
 145
 146     m_winLastFocused = (wxWindow *)NULL;
 147
 148 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 149     m_MenuBarHWND = 0;
 150 #endif
 151 }
 152
 153 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 154 {
 155     // let the base class deal with the common styles but fix the ones which
 156     // don't make sense for us (we also deal with the borders ourselves)
 157     WXDWORD msflags = wxWindow::MSWGetStyle
 158                       (
 159                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 160                       ) & ~WS_CHILD & ~WS_VISIBLE;
 161
 162 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 163     msflags |= WS_VISIBLE;
 164 #endif
 165
 166     // first select the kind of window being created
 167     //
 168     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 169     // creates a window with both caption and border, hence we need to use
 170     // WS_POPUP in a few cases just to avoid having caption/border which we
 171     // don't want
 172
 173 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 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 #endif
 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 #if !defined(__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 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 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 !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 418     defined(__POCKETPC__) || \
 419     defined(__SMARTPHONE__))
 420     // Always expand to fit the screen in PocketPC or SmartPhone
 421     wxSize sz(wxDefaultSize);
 422     wxUnusedVar(size);
 423 #else // other (including normal desktop) Windows
 424     wxSize sz(size);
 425 #endif
 426
 427     return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 428 }
 429
 430 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 431                                  wxWindowID id,
 432                                  const wxString& title,
 433                                  const wxPoint& pos,
 434                                  const wxSize& size,
 435                                  long style,
 436                                  const wxString& name)
 437 {
 438     bool ret wxDUMMY_INITIALIZE(false);
 439
 440     // init our fields
 441     Init();
 442
 443     wxSize sizeReal = size;
 444     if ( !sizeReal.IsFullySpecified() )
 445     {
 446         sizeReal.SetDefaults(GetDefaultSize());
 447     }
 448
 449     m_windowStyle = style;
 450
 451     SetName(name);
 452
 453     m_windowId = id == wxID_ANY ? NewControlId() : id;
 454
 455     wxTopLevelWindows.Append(this);
 456
 457     if ( parent )
 458         parent->AddChild(this);
 459
 460     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 461     {
 462         // we have different dialog templates to allows creation of dialogs
 463         // with & without captions under MSWindows, resizeable or not (but a
 464         // resizeable dialog always has caption - otherwise it would look too
 465         // strange)
 466
 467         // we need 3 additional WORDs for dialog menu, class and title (as we
 468         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 469         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 470         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 471         memset(dlgTemplate, 0, dlgsize);
 472
 473         // these values are arbitrary, they won't be used normally anyhow
 474         dlgTemplate->x  = 34;
 475         dlgTemplate->y  = 22;
 476         dlgTemplate->cx = 144;
 477         dlgTemplate->cy = 75;
 478
 479         // reuse the code in MSWGetStyle() but correct the results slightly for
 480         // the dialog
 481         dlgTemplate->style = MSWGetStyle(style, NULL);
 482
 483         // all dialogs are popups
 484         dlgTemplate->style |= WS_POPUP;
 485
 486         // force 3D-look if necessary, it looks impossibly ugly otherwise
 487         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 488             dlgTemplate->style |= DS_MODALFRAME;
 489
 490         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 491         free(dlgTemplate);
 492     }
 493     else // !dialog
 494     {
 495         ret = CreateFrame(title, pos, sizeReal);
 496     }
 497
 498     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 499     {
 500         EnableCloseButton(false);
 501     }
 502
 503     // for some reason we need to manually send ourselves this message as
 504     // otherwise the mnemonics are always shown -- even if they're configured
 505     // to be hidden until "Alt" is pressed in the control panel
 506     //
 507     // this could indicate a bug somewhere else but for now this is the only
 508     // fix we have
 509     if ( ret )
 510     {
 511         ::SendMessage
 512         (
 513             GetHwnd(),
 514             WM_UPDATEUISTATE,
 515             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 516             0
 517         );
 518     }
 519
 520     // Native look is full screen window on Smartphones and Standard SDK
 521 #if defined(__WXWINCE__)
 522     if ( style & wxMAXIMIZE )
 523     {
 524         this->Maximize();
 525     }
 526 #endif
 527
 528 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 529     SetRightMenu(); // to nothing for initialization
 530 #endif
 531
 532     return ret;
 533 }
 534
 535 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 536 {
 537     // after destroying an owned window, Windows activates the next top level
 538     // window in Z order but it may be different from our owner (to reproduce
 539     // this simply Alt-TAB to another application and back before closing the
 540     // owned frame) whereas we always want to yield activation to our parent
 541     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 542     {
 543         wxWindow *parent = GetParent();
 544         if ( parent )
 545         {
 546             ::BringWindowToTop(GetHwndOf(parent));
 547         }
 548     }
 549 }
 550
 551 // ----------------------------------------------------------------------------
 552 // wxTopLevelWindowMSW showing
 553 // ----------------------------------------------------------------------------
 554
 555 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 556 {
 557     ::ShowWindow(GetHwnd(), nShowCmd);
 558
 559     m_iconized = nShowCmd == SW_MINIMIZE;
 560 }
 561
 562 bool wxTopLevelWindowMSW::Show(bool show)
 563 {
 564     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 565     if ( !wxWindowBase::Show(show) )
 566         return false;
 567
 568     int nShowCmd;
 569     if ( show )
 570     {
 571         if ( m_maximizeOnShow )
 572         {
 573             // show and maximize
 574             nShowCmd = SW_MAXIMIZE;
 575
 576             // This is necessary, or no window appears
 577 #ifdef __WINCE_STANDARDSDK__
 578             DoShowWindow(SW_SHOW);
 579 #endif
 580
 581             m_maximizeOnShow = false;
 582         }
 583         else // just show
 584         {
 585            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 586                nShowCmd = SW_SHOWNA;
 587            else
 588                nShowCmd = SW_SHOW;
 589         }
 590     }
 591     else // hide
 592     {
 593         nShowCmd = SW_HIDE;
 594     }
 595
 596     DoShowWindow(nShowCmd);
 597
 598 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 599     // Addornments have to be added when the frame is the correct size
 600     wxFrame* frame = wxDynamicCast(this, wxFrame);
 601     if (frame && frame->GetMenuBar())
 602         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 603 #endif
 604
 605     if ( show )
 606     {
 607         ::BringWindowToTop(GetHwnd());
 608
 609         wxActivateEvent event(wxEVT_ACTIVATE, true, m_windowId);
 610         event.SetEventObject( this );
 611         GetEventHandler()->ProcessEvent(event);
 612     }
 613     else // hide
 614     {
 615         // Try to highlight the correct window (the parent)
 616         if ( GetParent() )
 617         {
 618             HWND hWndParent = GetHwndOf(GetParent());
 619             if (hWndParent)
 620                 ::BringWindowToTop(hWndParent);
 621         }
 622     }
 623
 624     return true;
 625 }
 626
 627 // ----------------------------------------------------------------------------
 628 // wxTopLevelWindowMSW maximize/minimize
 629 // ----------------------------------------------------------------------------
 630
 631 void wxTopLevelWindowMSW::Maximize(bool maximize)
 632 {
 633     if ( IsShown() )
 634     {
 635         // just maximize it directly
 636         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 637     }
 638     else // hidden
 639     {
 640         // we can't maximize the hidden frame because it shows it as well, so
 641         // just remember that we should do it later in this case
 642         m_maximizeOnShow = maximize;
 643     }
 644 }
 645
 646 bool wxTopLevelWindowMSW::IsMaximized() const
 647 {
 648 #ifdef __WXWINCE__
 649     return false;
 650 #else
 651     return ::IsZoomed(GetHwnd()) != 0;
 652 #endif
 653 }
 654
 655 void wxTopLevelWindowMSW::Iconize(bool iconize)
 656 {
 657     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 658 }
 659
 660 bool wxTopLevelWindowMSW::IsIconized() const
 661 {
 662 #ifdef __WXWINCE__
 663     return false;
 664 #else
 665     // also update the current state
 666     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 667
 668     return m_iconized;
 669 #endif
 670 }
 671
 672 void wxTopLevelWindowMSW::Restore()
 673 {
 674     DoShowWindow(SW_RESTORE);
 675 }
 676
 677 // ----------------------------------------------------------------------------
 678 // wxTopLevelWindowMSW fullscreen
 679 // ----------------------------------------------------------------------------
 680
 681 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 682 {
 683     if ( show == IsFullScreen() )
 684     {
 685         // nothing to do
 686         return true;
 687     }
 688
 689     m_fsIsShowing = show;
 690
 691     if ( show )
 692     {
 693         m_fsStyle = style;
 694
 695         // zap the frame borders
 696
 697         // save the 'normal' window style
 698         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 699
 700         // save the old position, width & height, maximize state
 701         m_fsOldSize = GetRect();
 702         m_fsIsMaximized = IsMaximized();
 703
 704         // decide which window style flags to turn off
 705         LONG newStyle = m_fsOldWindowStyle;
 706         LONG offFlags = 0;
 707
 708         if (style & wxFULLSCREEN_NOBORDER)
 709         {
 710             offFlags |= WS_BORDER;
 711 #ifndef __WXWINCE__
 712             offFlags |= WS_THICKFRAME;
 713 #endif
 714         }
 715         if (style & wxFULLSCREEN_NOCAPTION)
 716             offFlags |= WS_CAPTION | WS_SYSMENU;
 717
 718         newStyle &= ~offFlags;
 719
 720         // change our window style to be compatible with full-screen mode
 721         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 722
 723         wxRect rect;
 724 #if wxUSE_DISPLAY
 725         // resize to the size of the display containing us
 726         int dpy = wxDisplay::GetFromWindow(this);
 727         if ( dpy != wxNOT_FOUND )
 728         {
 729             rect = wxDisplay(dpy).GetGeometry();
 730         }
 731         else // fall back to the main desktop
 732 #else // wxUSE_DISPLAY
 733         {
 734             // resize to the size of the desktop
 735             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 736 #ifdef __WXWINCE__
 737             // FIXME: size of the bottom menu (toolbar)
 738             // should be taken in account
 739             rect.height += rect.y;
 740             rect.y       = 0;
 741 #endif
 742         }
 743 #endif // wxUSE_DISPLAY
 744
 745         SetSize(rect);
 746
 747         // now flush the window style cache and actually go full-screen
 748         long flags = SWP_FRAMECHANGED;
 749
 750         // showing the frame full screen should also show it if it's still
 751         // hidden
 752         if ( !IsShown() )
 753         {
 754             // don't call wxWindow version to avoid flicker from calling
 755             // ::ShowWindow() -- we're going to show the window at the correct
 756             // location directly below -- but do call the wxWindowBase version
 757             // to sync the internal m_isShown flag
 758             wxWindowBase::Show();
 759
 760             flags |= SWP_SHOWWINDOW;
 761         }
 762
 763         SetWindowPos(GetHwnd(), HWND_TOP,
 764                      rect.x, rect.y, rect.width, rect.height,
 765                      flags);
 766
 767 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 768         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 769 #endif
 770
 771         // finally send an event allowing the window to relayout itself &c
 772         wxSizeEvent event(rect.GetSize(), GetId());
 773         GetEventHandler()->ProcessEvent(event);
 774     }
 775     else // stop showing full screen
 776     {
 777 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 778         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 779 #endif
 780         Maximize(m_fsIsMaximized);
 781         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 782         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 783             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 784     }
 785
 786     return true;
 787 }
 788
 789 // ----------------------------------------------------------------------------
 790 // wxTopLevelWindowMSW misc
 791 // ----------------------------------------------------------------------------
 792
 793 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 794 {
 795     SetIcons( wxIconBundle( icon ) );
 796 }
 797
 798 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 799 {
 800     wxTopLevelWindowBase::SetIcons(icons);
 801
 802 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 803     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 804     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 805     {
 806         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 807                        (LPARAM)GetHiconOf(sml) );
 808     }
 809
 810     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 811     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 812     {
 813         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 814                        (LPARAM)GetHiconOf(big) );
 815     }
 816 #endif // __WIN95__
 817 }
 818
 819 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 820 {
 821 #if !defined(__WXMICROWIN__)
 822     // get system (a.k.a. window) menu
 823     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 824     if ( !hmenu )
 825     {
 826         // no system menu at all -- ok if we want to remove the close button
 827         // anyhow, but bad if we want to show it
 828         return !enable;
 829     }
 830
 831     // enabling/disabling the close item from it also automatically
 832     // disables/enables the close title bar button
 833     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 834                           MF_BYCOMMAND |
 835                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 836     {
 837         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 838
 839         return false;
 840     }
 841 #ifndef __WXWINCE__
 842     // update appearance immediately
 843     if ( !::DrawMenuBar(GetHwnd()) )
 844     {
 845         wxLogLastError(_T("DrawMenuBar"));
 846     }
 847 #endif
 848 #endif // !__WXMICROWIN__
 849
 850     return true;
 851 }
 852
 853 #ifndef __WXWINCE__
 854
 855 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 856 {
 857     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 858                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 859
 860     // The empty region signifies that the shape should be removed from the
 861     // window.
 862     if ( region.IsEmpty() )
 863     {
 864         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 865         {
 866             wxLogLastError(_T("SetWindowRgn"));
 867             return false;
 868         }
 869         return true;
 870     }
 871
 872     // Windows takes ownership of the region, so
 873     // we'll have to make a copy of the region to give to it.
 874     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 875     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 876     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 877     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 878     delete[] (char*) rgnData;
 879
 880     // SetWindowRgn expects the region to be in coordinants
 881     // relative to the window, not the client area.  Figure
 882     // out the offset, if any.
 883     RECT rect;
 884     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 885     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 886     ::GetClientRect(GetHwnd(), &rect);
 887     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 888     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 889
 890     // Now call the shape API with the new region.
 891     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 892     {
 893         wxLogLastError(_T("SetWindowRgn"));
 894         return false;
 895     }
 896     return true;
 897 }
 898
 899 #endif // !__WXWINCE__
 900
 901 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 902 {
 903     // check if we can use FlashWindowEx(): unfortunately an explicit test for
 904     // FLASHW_STOP, for example, doesn't work because MSVC6 headers do #define
 905     // it but don't provide FlashWindowEx() declaration
 906 #if (WINVER >= 0x0500 && (defined FLASHW_STOP))
 907     // available in the headers, check if it is supported by the system
 908     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 909     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 910     if ( !s_pfnFlashWindowEx )
 911     {
 912         wxDynamicLibrary dllUser32(_T("user32.dll"));
 913         s_pfnFlashWindowEx = (FlashWindowEx_t)
 914                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 915
 916         // we can safely unload user32.dll here, it's goign to remain loaded as
 917         // long as the program is running anyhow
 918     }
 919
 920     if ( s_pfnFlashWindowEx )
 921     {
 922         WinStruct<FLASHWINFO> fwi;
 923         fwi.hwnd = GetHwnd();
 924         fwi.dwFlags = FLASHW_ALL;
 925         if ( flags & wxUSER_ATTENTION_INFO )
 926         {
 927             // just flash a few times
 928             fwi.uCount = 3;
 929         }
 930         else // wxUSER_ATTENTION_ERROR
 931         {
 932             // flash until the user notices it
 933             fwi.dwFlags |= FLASHW_TIMERNOFG;
 934         }
 935
 936         s_pfnFlashWindowEx(&fwi);
 937     }
 938     else // FlashWindowEx() not available
 939 #endif // FlashWindowEx() defined
 940     {
 941         wxUnusedVar(flags);
 942 #ifndef __WXWINCE__
 943         ::FlashWindow(GetHwnd(), TRUE);
 944 #endif // __WXWINCE__
 945     }
 946 }
 947
 948 // ----------------------------------------------------------------------------
 949 // wxTopLevelWindow event handling
 950 // ----------------------------------------------------------------------------
 951
 952 // Default activation behaviour - set the focus for the first child
 953 // subwindow found.
 954 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 955 {
 956     if ( event.GetActive() )
 957     {
 958         // restore focus to the child which was last focused unless we already
 959         // have it
 960         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 961
 962         wxWindow *winFocus = FindFocus();
 963         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 964         {
 965             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 966                                                 : NULL;
 967             if ( !parent )
 968             {
 969                 parent = this;
 970             }
 971
 972             wxSetFocusToChild(parent, &m_winLastFocused);
 973         }
 974     }
 975     else // deactivating
 976     {
 977         // remember the last focused child if it is our child
 978         m_winLastFocused = FindFocus();
 979
 980         if ( m_winLastFocused )
 981         {
 982             // let it know that it doesn't have focus any more
 983             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 984
 985             // and don't remember it if it's a child from some other frame
 986             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 987             {
 988                 m_winLastFocused = NULL;
 989             }
 990         }
 991
 992         wxLogTrace(_T("focus"),
 993                    _T("wxTLW %08x deactivated, last focused: %08x."),
 994                    (int) m_hWnd,
 995                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 996                                            : NULL));
 997
 998         event.Skip();
 999     }
1000 }
1001
1002 // the DialogProc for all wxWidgets dialogs
1003 LONG APIENTRY _EXPORT
1004 wxDlgProc(HWND hDlg,
1005           UINT message,
1006           WPARAM WXUNUSED(wParam),
1007           LPARAM WXUNUSED(lParam))
1008 {
1009     if ( message == WM_INITDIALOG )
1010     {
1011         // under CE, add a "Ok" button in the dialog title bar and make it full
1012         // screen
1013         //
1014         // VZ: we should probably allow for overriding this, e.g. by including
1015         //     MAXIMIZED flag in the dialog style by default and doing this
1016         //     only if it is present...
1017
1018         // Standard SDK doesn't have aygshell.dll: see
1019         // include/wx/msw/wince/libraries.h
1020 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1021         SHINITDLGINFO shidi;
1022         shidi.dwMask = SHIDIM_FLAGS;
1023         shidi.dwFlags = SHIDIF_SIZEDLGFULLSCREEN
1024 #ifndef __SMARTPHONE__
1025                         | SHIDIF_DONEBUTTON
1026 #endif
1027                         ;
1028         shidi.hDlg = hDlg;
1029         SHInitDialog( &shidi );
1030 #else // no SHInitDialog()
1031         wxUnusedVar(hDlg);
1032 #endif
1033     }
1034
1035     // for almost all messages, returning FALSE means that we didn't process
1036     // the message
1037     //
1038     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1039     // the first control in the dialog box, but as we set the focus
1040     // ourselves, we return FALSE for it as well
1041     return FALSE;
1042 }
1043
1044 // ============================================================================
1045 // wxTLWHiddenParentModule implementation
1046 // ============================================================================
1047
1048 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1049
1050 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1051
1052 bool wxTLWHiddenParentModule::OnInit()
1053 {
1054     ms_hwnd = NULL;
1055     ms_className = NULL;
1056
1057     return true;
1058 }
1059
1060 void wxTLWHiddenParentModule::OnExit()
1061 {
1062     if ( ms_hwnd )
1063     {
1064         if ( !::DestroyWindow(ms_hwnd) )
1065         {
1066             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1067         }
1068
1069         ms_hwnd = NULL;
1070     }
1071
1072     if ( ms_className )
1073     {
1074         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1075         {
1076             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1077         }
1078
1079         ms_className = NULL;
1080     }
1081 }
1082
1083 /* static */
1084 HWND wxTLWHiddenParentModule::GetHWND()
1085 {
1086     if ( !ms_hwnd )
1087     {
1088         if ( !ms_className )
1089         {
1090             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1091
1092             WNDCLASS wndclass;
1093             wxZeroMemory(wndclass);
1094
1095             wndclass.lpfnWndProc   = DefWindowProc;
1096             wndclass.hInstance     = wxGetInstance();
1097             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1098
1099             if ( !::RegisterClass(&wndclass) )
1100             {
1101                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1102             }
1103             else
1104             {
1105                 ms_className = HIDDEN_PARENT_CLASS;
1106             }
1107         }
1108
1109         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1110                                  (HMENU)NULL, wxGetInstance(), NULL);
1111         if ( !ms_hwnd )
1112         {
1113             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1114         }
1115     }
1116
1117     return ms_hwnd;
1118 }
1119
1120