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