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/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37     #include "wx/frame.h"
  38     #include "wx/containr.h"        // wxSetFocusToChild()
  39 #endif //WX_PRECOMP
  40
  41 #include "wx/module.h"
  42
  43 #include "wx/msw/private.h"
  44 #include "wx/msw/winundef.h"
  45
  46 #include "wx/display.h"
  47
  48 #ifndef ICON_BIG
  49     #define ICON_BIG 1
  50 #endif
  51
  52 #ifndef ICON_SMALL
  53     #define ICON_SMALL 0
  54 #endif
  55
  56 // ----------------------------------------------------------------------------
  57 // stubs for missing functions under MicroWindows
  58 // ----------------------------------------------------------------------------
  59
  60 #ifdef __WXMICROWIN__
  61
  62 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  63 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  64
  65 #endif // __WXMICROWIN__
  66
  67 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  68 //     is not included by wxUniv build which does need wxDlgProc
  69 LONG APIENTRY _EXPORT
  70 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  71
  72 // ----------------------------------------------------------------------------
  73 // globals
  74 // ----------------------------------------------------------------------------
  75
  76 // list of all frames and modeless dialogs
  77 wxWindowList wxModelessWindows;
  78
  79 // the name of the default wxWindows class
  80 extern const wxChar *wxCanvasClassName;
  81
  82 // ----------------------------------------------------------------------------
  83 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  84 // module to ensure that the window is always deleted)
  85 // ----------------------------------------------------------------------------
  86
  87 class wxTLWHiddenParentModule : public wxModule
  88 {
  89 public:
  90     // module init/finalize
  91     virtual bool OnInit();
  92     virtual void OnExit();
  93
  94     // get the hidden window (creates on demand)
  95     static HWND GetHWND();
  96
  97 private:
  98     // the HWND of the hidden parent
  99     static HWND ms_hwnd;
 100
 101     // the class used to create it
 102     static const wxChar *ms_className;
 103
 104     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 105 };
 106
 107 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 108
 109 // ============================================================================
 110 // wxTopLevelWindowMSW implementation
 111 // ============================================================================
 112
 113 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 114     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 115 END_EVENT_TABLE()
 116
 117 // ----------------------------------------------------------------------------
 118 // wxTopLevelWindowMSW creation
 119 // ----------------------------------------------------------------------------
 120
 121 void wxTopLevelWindowMSW::Init()
 122 {
 123     m_iconized =
 124     m_maximizeOnShow = FALSE;
 125
 126     // unlike (almost?) all other windows, frames are created hidden
 127     m_isShown = FALSE;
 128
 129     // Data to save/restore when calling ShowFullScreen
 130     m_fsStyle = 0;
 131     m_fsOldWindowStyle = 0;
 132     m_fsIsMaximized = FALSE;
 133     m_fsIsShowing = FALSE;
 134
 135     m_winLastFocused = (wxWindow *)NULL;
 136 }
 137
 138 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 139 {
 140     // let the base class deal with the common styles but fix the ones which
 141     // don't make sense for us (we also deal with the borders ourselves)
 142     WXDWORD msflags = wxWindow::MSWGetStyle
 143                       (
 144                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 145                       ) & ~WS_CHILD & ~WS_VISIBLE;
 146
 147     // first select the kind of window being created
 148     //
 149     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 150     // creates a window with both caption and border, hence we also test it
 151     // below in some other cases
 152     if ( style & wxFRAME_TOOL_WINDOW )
 153         msflags |= WS_POPUP;
 154     else
 155     {
 156 #ifdef __WXWINCE__
 157         if (msflags & WS_BORDER)
 158 #endif
 159             msflags |= WS_OVERLAPPED;
 160     }
 161
 162     // border and caption styles
 163     if ( style & wxRESIZE_BORDER )
 164     {
 165 #ifndef __WXWINCE__
 166         msflags |= WS_THICKFRAME;
 167 #endif
 168     }
 169     else if ( !(style & wxBORDER_NONE) )
 170         msflags |= WS_BORDER;
 171 #ifndef __WXWINCE__
 172     else
 173         msflags |= WS_POPUP;
 174 #endif
 175
 176     if ( style & wxCAPTION )
 177         msflags |= WS_CAPTION;
 178 #ifndef __WXWINCE__
 179     else
 180         msflags |= WS_POPUP;
 181 #endif
 182
 183     // next translate the individual flags
 184     if ( style & wxMINIMIZE_BOX )
 185         msflags |= WS_MINIMIZEBOX;
 186     if ( style & wxMAXIMIZE_BOX )
 187         msflags |= WS_MAXIMIZEBOX;
 188     if ( style & wxSYSTEM_MENU )
 189         msflags |= WS_SYSMENU;
 190 #ifndef __WXWINCE__
 191     if ( style & wxMINIMIZE )
 192         msflags |= WS_MINIMIZE;
 193     if ( style & wxMAXIMIZE )
 194         msflags |= WS_MAXIMIZE;
 195 #endif
 196
 197     // Keep this here because it saves recoding this function in wxTinyFrame
 198 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 199     if ( style & wxTINY_CAPTION_VERT )
 200         msflags |= IBS_VERTCAPTION;
 201     if ( style & wxTINY_CAPTION_HORIZ )
 202         msflags |= IBS_HORZCAPTION;
 203 #else
 204     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 205         msflags |= WS_CAPTION;
 206 #endif
 207
 208     if ( exflags )
 209     {
 210 #if !defined(__WIN16__)
 211         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 212         {
 213             if ( style & wxFRAME_TOOL_WINDOW )
 214             {
 215                 // create the palette-like window
 216                 *exflags |= WS_EX_TOOLWINDOW;
 217             }
 218
 219             // We have to solve 2 different problems here:
 220             //
 221             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 222             //    taskbar even if they don't have a parent
 223             //
 224             // 2. frames without this style should appear in the taskbar even
 225             //    if they're owned (Windows only puts non owned windows into
 226             //    the taskbar normally)
 227             //
 228             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 229             // first one is dealt with in our MSWGetParent() method
 230             // implementation
 231 #ifndef __WXWINCE__
 232             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 233             {
 234                 // need to force the frame to appear in the taskbar
 235                 *exflags |= WS_EX_APPWINDOW;
 236             }
 237 #endif
 238             //else: nothing to do [here]
 239         }
 240 #endif // !Win16
 241
 242         if ( style & wxSTAY_ON_TOP )
 243             *exflags |= WS_EX_TOPMOST;
 244
 245 #ifdef __WIN32__
 246         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 247             *exflags |= WS_EX_CONTEXTHELP;
 248 #endif // __WIN32__
 249     }
 250
 251     return msflags;
 252 }
 253
 254 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 255 {
 256     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 257     // parent HWND or it would be always on top of its parent which is not what
 258     // we usually want (in fact, we only want it for frames with the
 259     // wxFRAME_FLOAT_ON_PARENT flag)
 260     HWND hwndParent = NULL;
 261     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 262     {
 263         const wxWindow *parent = GetParent();
 264
 265         if ( !parent )
 266         {
 267             // this flag doesn't make sense then and will be ignored
 268             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 269         }
 270         else
 271         {
 272             hwndParent = GetHwndOf(parent);
 273         }
 274     }
 275     //else: don't float on parent, must not be owned
 276
 277     // now deal with the 2nd taskbar-related problem (see comments above in
 278     // MSWGetStyle())
 279     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 280     {
 281         // use hidden parent
 282         hwndParent = wxTLWHiddenParentModule::GetHWND();
 283     }
 284
 285     return (WXHWND)hwndParent;
 286 }
 287
 288 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 289                                        const wxString& title,
 290                                        const wxPoint& pos,
 291                                        const wxSize& size)
 292 {
 293 #ifdef __WXMICROWIN__
 294     // no dialogs support under MicroWin yet
 295     return CreateFrame(title, pos, size);
 296 #else // !__WXMICROWIN__
 297     wxWindow *parent = GetParent();
 298
 299     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 300     // app window as parent - this avoids creating modal dialogs without
 301     // parent
 302     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 303     {
 304         parent = wxTheApp->GetTopWindow();
 305
 306         if ( parent )
 307         {
 308             // don't use transient windows as parents, this is dangerous as it
 309             // can lead to a crash if the parent is destroyed before the child
 310             //
 311             // also don't use the window which is currently hidden as then the
 312             // dialog would be hidden as well
 313             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 314                     !parent->IsShown() )
 315             {
 316                 parent = NULL;
 317             }
 318         }
 319     }
 320
 321     m_hWnd = (WXHWND)::CreateDialogIndirect
 322                        (
 323                         wxGetInstance(),
 324                         (DLGTEMPLATE*)dlgTemplate,
 325                         parent ? GetHwndOf(parent) : NULL,
 326                         (DLGPROC)wxDlgProc
 327                        );
 328
 329     if ( !m_hWnd )
 330     {
 331         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 332
 333         wxLogSysError(wxT("Can't create dialog using memory template"));
 334
 335         return FALSE;
 336     }
 337
 338     WXDWORD exflags;
 339     (void)MSWGetCreateWindowFlags(&exflags);
 340
 341     if ( exflags )
 342     {
 343         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 344         ::SetWindowPos(GetHwnd(),
 345                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 346                        0, 0, 0, 0,
 347                        SWP_NOSIZE |
 348                        SWP_NOMOVE |
 349                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 350                        SWP_NOACTIVATE);
 351     }
 352
 353 #if defined(__WIN95__)
 354     // For some reason, the system menu is activated when we use the
 355     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 356     if ( exflags & WS_EX_CONTEXTHELP )
 357     {
 358         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 359         if ( winTop )
 360         {
 361             wxIcon icon = winTop->GetIcon();
 362             if ( icon.Ok() )
 363             {
 364                 ::SendMessage(GetHwnd(), WM_SETICON,
 365                               (WPARAM)TRUE,
 366                               (LPARAM)GetHiconOf(icon));
 367             }
 368         }
 369     }
 370 #endif // __WIN95__
 371
 372     // move the dialog to its initial position without forcing repainting
 373     int x, y, w, h;
 374     if ( !MSWGetCreateWindowCoords(pos, size, x, y, w, h) )
 375     {
 376         x =
 377         w = (int)CW_USEDEFAULT;
 378     }
 379
 380     // we can't use CW_USEDEFAULT here as we're not calling CreateWindow()
 381     // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
 382     // window to (0, 0) size which breaks quite a lot of things, e.g. the
 383     // sizer calculation in wxSizer::Fit()
 384     if ( w == (int)CW_USEDEFAULT )
 385     {
 386         // the exact number doesn't matter, the dialog will be resized
 387         // again soon anyhow but it should be big enough to allow
 388         // calculation relying on "totalSize - clientSize > 0" work, i.e.
 389         // at least greater than the title bar height
 390         w =
 391         h = 100;
 392     }
 393
 394     if ( x == (int)CW_USEDEFAULT )
 395     {
 396         // centre it on the screen - what else can we do?
 397         wxSize sizeDpy = wxGetDisplaySize();
 398
 399         x = (sizeDpy.x - w) / 2;
 400         y = (sizeDpy.y - h) / 2;
 401     }
 402
 403     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 404     {
 405         wxLogLastError(wxT("MoveWindow"));
 406     }
 407
 408     if ( !title.empty() )
 409     {
 410         ::SetWindowText(GetHwnd(), title);
 411     }
 412
 413     SubclassWin(m_hWnd);
 414
 415     return TRUE;
 416 #endif // __WXMICROWIN__/!__WXMICROWIN__
 417 }
 418
 419 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 420                                       const wxPoint& pos,
 421                                       const wxSize& size)
 422 {
 423     WXDWORD exflags;
 424     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 425
 426     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 427 }
 428
 429 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 430                                  wxWindowID id,
 431                                  const wxString& title,
 432                                  const wxPoint& pos,
 433                                  const wxSize& size,
 434                                  long style,
 435                                  const wxString& name)
 436 {
 437     bool ret = false;
 438
 439     // init our fields
 440     Init();
 441
 442     m_windowStyle = style;
 443
 444     SetName(name);
 445
 446     m_windowId = id == -1 ? NewControlId() : id;
 447
 448     wxTopLevelWindows.Append(this);
 449
 450     if ( parent )
 451         parent->AddChild(this);
 452
 453     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 454     {
 455         // we have different dialog templates to allows creation of dialogs
 456         // with & without captions under MSWindows, resizeable or not (but a
 457         // resizeable dialog always has caption - otherwise it would look too
 458         // strange)
 459
 460         // we need 3 additional WORDs for dialog menu, class and title (as we
 461         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 462         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 463         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 464         memset(dlgTemplate, 0, dlgsize);
 465
 466         // these values are arbitrary, they won't be used normally anyhow
 467         dlgTemplate->x  = 34;
 468         dlgTemplate->y  = 22;
 469         dlgTemplate->cx = 144;
 470         dlgTemplate->cy = 75;
 471
 472         // reuse the code in MSWGetStyle() but correct the results slightly for
 473         // the dialog
 474         dlgTemplate->style = MSWGetStyle(style, NULL);
 475
 476         // all dialogs are popups
 477         dlgTemplate->style |= WS_POPUP;
 478
 479         // force 3D-look if necessary, it looks impossibly ugly otherwise
 480         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 481             dlgTemplate->style |= DS_MODALFRAME;
 482
 483         ret = CreateDialog(dlgTemplate, title, pos, size);
 484         free(dlgTemplate);
 485     }
 486     else // !dialog
 487     {
 488         ret = CreateFrame(title, pos, size);
 489     }
 490
 491     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 492     {
 493         EnableCloseButton(false);
 494     }
 495
 496     return ret;
 497 }
 498
 499 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 500 {
 501     if ( wxModelessWindows.Find(this) )
 502         wxModelessWindows.DeleteObject(this);
 503
 504     // after destroying an owned window, Windows activates the next top level
 505     // window in Z order but it may be different from our owner (to reproduce
 506     // this simply Alt-TAB to another application and back before closing the
 507     // owned frame) whereas we always want to yield activation to our parent
 508     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 509     {
 510         wxWindow *parent = GetParent();
 511         if ( parent )
 512         {
 513             ::BringWindowToTop(GetHwndOf(parent));
 514         }
 515     }
 516 }
 517
 518 // ----------------------------------------------------------------------------
 519 // wxTopLevelWindowMSW showing
 520 // ----------------------------------------------------------------------------
 521
 522 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 523 {
 524     ::ShowWindow(GetHwnd(), nShowCmd);
 525
 526     m_iconized = nShowCmd == SW_MINIMIZE;
 527 }
 528
 529 bool wxTopLevelWindowMSW::Show(bool show)
 530 {
 531     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 532     if ( !wxWindowBase::Show(show) )
 533         return FALSE;
 534
 535     int nShowCmd;
 536     if ( show )
 537     {
 538         if ( m_maximizeOnShow )
 539         {
 540             // show and maximize
 541             nShowCmd = SW_MAXIMIZE;
 542
 543             m_maximizeOnShow = FALSE;
 544         }
 545         else // just show
 546         {
 547            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 548                nShowCmd = SW_SHOWNA;
 549            else
 550                nShowCmd = SW_SHOW;
 551         }
 552     }
 553     else // hide
 554     {
 555         nShowCmd = SW_HIDE;
 556     }
 557
 558     DoShowWindow(nShowCmd);
 559
 560     if ( show )
 561     {
 562         ::BringWindowToTop(GetHwnd());
 563
 564         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 565         event.SetEventObject( this );
 566         GetEventHandler()->ProcessEvent(event);
 567     }
 568     else // hide
 569     {
 570         // Try to highlight the correct window (the parent)
 571         if ( GetParent() )
 572         {
 573             HWND hWndParent = GetHwndOf(GetParent());
 574             if (hWndParent)
 575                 ::BringWindowToTop(hWndParent);
 576         }
 577     }
 578
 579     return TRUE;
 580 }
 581
 582 // ----------------------------------------------------------------------------
 583 // wxTopLevelWindowMSW maximize/minimize
 584 // ----------------------------------------------------------------------------
 585
 586 void wxTopLevelWindowMSW::Maximize(bool maximize)
 587 {
 588     if ( IsShown() )
 589     {
 590         // just maximize it directly
 591         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 592     }
 593     else // hidden
 594     {
 595         // we can't maximize the hidden frame because it shows it as well, so
 596         // just remember that we should do it later in this case
 597         m_maximizeOnShow = maximize;
 598     }
 599 }
 600
 601 bool wxTopLevelWindowMSW::IsMaximized() const
 602 {
 603 #ifdef __WXWINCE__
 604     return FALSE;
 605 #else
 606     return ::IsZoomed(GetHwnd()) != 0;
 607 #endif
 608 }
 609
 610 void wxTopLevelWindowMSW::Iconize(bool iconize)
 611 {
 612     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 613 }
 614
 615 bool wxTopLevelWindowMSW::IsIconized() const
 616 {
 617 #ifdef __WXWINCE__
 618     return FALSE;
 619 #else
 620     // also update the current state
 621     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 622
 623     return m_iconized;
 624 #endif
 625 }
 626
 627 void wxTopLevelWindowMSW::Restore()
 628 {
 629     DoShowWindow(SW_RESTORE);
 630 }
 631
 632 // ----------------------------------------------------------------------------
 633 // wxTopLevelWindowMSW fullscreen
 634 // ----------------------------------------------------------------------------
 635
 636 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 637 {
 638     if ( show == IsFullScreen() )
 639     {
 640         // nothing to do
 641         return TRUE;
 642     }
 643
 644     m_fsIsShowing = show;
 645
 646     if ( show )
 647     {
 648         m_fsStyle = style;
 649
 650         // zap the frame borders
 651
 652         // save the 'normal' window style
 653         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 654
 655         // save the old position, width & height, maximize state
 656         m_fsOldSize = GetRect();
 657         m_fsIsMaximized = IsMaximized();
 658
 659         // decide which window style flags to turn off
 660         LONG newStyle = m_fsOldWindowStyle;
 661         LONG offFlags = 0;
 662
 663         if (style & wxFULLSCREEN_NOBORDER)
 664         {
 665             offFlags |= WS_BORDER;
 666 #ifndef __WXWINCE__
 667             offFlags |= WS_THICKFRAME;
 668 #endif
 669         }
 670         if (style & wxFULLSCREEN_NOCAPTION)
 671             offFlags |= WS_CAPTION | WS_SYSMENU;
 672
 673         newStyle &= ~offFlags;
 674
 675         // change our window style to be compatible with full-screen mode
 676         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 677
 678         wxRect rect;
 679 #if wxUSE_DISPLAY
 680         // resize to the size of the display containing us
 681         int dpy = wxDisplay::GetFromWindow(this);
 682         if ( dpy != wxNOT_FOUND )
 683         {
 684             rect = wxDisplay(dpy).GetGeometry();
 685         }
 686         else // fall back to the main desktop
 687 #else // wxUSE_DISPLAY
 688         {
 689             // FIXME: implement for WinCE
 690 #ifndef __WXWINCE__
 691             // resize to the size of the desktop
 692             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 693 #endif
 694         }
 695 #endif // wxUSE_DISPLAY
 696
 697         SetSize(rect);
 698
 699         // now flush the window style cache and actually go full-screen
 700         long flags = SWP_FRAMECHANGED;
 701
 702         // showing the frame full screen should also show it if it's still
 703         // hidden
 704         if ( !IsShown() )
 705         {
 706             // don't call wxWindow version to avoid flicker from calling
 707             // ::ShowWindow() -- we're going to show the window at the correct
 708             // location directly below -- but do call the wxWindowBase version
 709             // to sync the internal m_isShown flag
 710             wxWindowBase::Show();
 711
 712             flags |= SWP_SHOWWINDOW;
 713         }
 714
 715         SetWindowPos(GetHwnd(), HWND_TOP,
 716                      rect.x, rect.y, rect.width, rect.height,
 717                      flags);
 718
 719         // finally send an event allowing the window to relayout itself &c
 720         wxSizeEvent event(rect.GetSize(), GetId());
 721         GetEventHandler()->ProcessEvent(event);
 722     }
 723     else // stop showing full screen
 724     {
 725         Maximize(m_fsIsMaximized);
 726         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 727         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 728             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 729     }
 730
 731     return TRUE;
 732 }
 733
 734 // ----------------------------------------------------------------------------
 735 // wxTopLevelWindowMSW misc
 736 // ----------------------------------------------------------------------------
 737
 738 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 739 {
 740     SetIcons( wxIconBundle( icon ) );
 741 }
 742
 743 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 744 {
 745     wxTopLevelWindowBase::SetIcons(icons);
 746
 747 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 748     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 749     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 750     {
 751         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 752                        (LPARAM)GetHiconOf(sml) );
 753     }
 754
 755     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 756     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 757     {
 758         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 759                        (LPARAM)GetHiconOf(big) );
 760     }
 761 #endif // __WIN95__
 762 }
 763
 764 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 765 {
 766 #if !defined(__WXMICROWIN__)
 767     // get system (a.k.a. window) menu
 768     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 769     if ( !hmenu )
 770     {
 771         // no system menu at all -- ok if we want to remove the close button
 772         // anyhow, but bad if we want to show it
 773         return !enable;
 774     }
 775
 776     // enabling/disabling the close item from it also automatically
 777     // disables/enables the close title bar button
 778     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 779                           MF_BYCOMMAND |
 780                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 781     {
 782         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 783
 784         return FALSE;
 785     }
 786
 787     // update appearance immediately
 788     if ( !::DrawMenuBar(GetHwnd()) )
 789     {
 790         wxLogLastError(_T("DrawMenuBar"));
 791     }
 792 #endif // !__WXMICROWIN__
 793
 794     return TRUE;
 795 }
 796
 797 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 798 {
 799 #ifdef __WXWINCE__
 800     return FALSE;
 801 #else
 802     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 803                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 804
 805     // The empty region signifies that the shape should be removed from the
 806     // window.
 807     if ( region.IsEmpty() )
 808     {
 809         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 810         {
 811             wxLogLastError(_T("SetWindowRgn"));
 812             return FALSE;
 813         }
 814         return TRUE;
 815     }
 816
 817     // Windows takes ownership of the region, so
 818     // we'll have to make a copy of the region to give to it.
 819     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 820     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 821     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 822     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 823     delete[] (char*) rgnData;
 824
 825     // SetWindowRgn expects the region to be in coordinants
 826     // relative to the window, not the client area.  Figure
 827     // out the offset, if any.
 828     RECT rect;
 829     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 830     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 831     ::GetClientRect(GetHwnd(), &rect);
 832     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 833     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 834
 835     // Now call the shape API with the new region.
 836     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 837     {
 838         wxLogLastError(_T("SetWindowRgn"));
 839         return FALSE;
 840     }
 841     return TRUE;
 842 #endif
 843 }
 844
 845 // ----------------------------------------------------------------------------
 846 // wxTopLevelWindow event handling
 847 // ----------------------------------------------------------------------------
 848
 849 // Default activation behaviour - set the focus for the first child
 850 // subwindow found.
 851 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 852 {
 853     if ( event.GetActive() )
 854     {
 855         // restore focus to the child which was last focused
 856         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 857
 858         wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 859                                             : NULL;
 860         if ( !parent )
 861         {
 862             parent = this;
 863         }
 864
 865         wxSetFocusToChild(parent, &m_winLastFocused);
 866     }
 867     else // deactivating
 868     {
 869         // remember the last focused child if it is our child
 870         m_winLastFocused = FindFocus();
 871
 872         if ( m_winLastFocused )
 873         {
 874             // let it know that it doesn't have focus any more
 875             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 876         }
 877
 878         // so we NULL it out if it's a child from some other frame
 879         wxWindow *win = m_winLastFocused;
 880         while ( win )
 881         {
 882             if ( win->IsTopLevel() )
 883             {
 884                 if ( win != this )
 885                 {
 886                     m_winLastFocused = NULL;
 887                 }
 888
 889                 break;
 890             }
 891
 892             win = win->GetParent();
 893         }
 894
 895         wxLogTrace(_T("focus"),
 896                    _T("wxTLW %08x deactivated, last focused: %08x."),
 897                    (int) m_hWnd,
 898                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 899                                            : NULL));
 900
 901         event.Skip();
 902     }
 903 }
 904
 905 // the DialogProc for all wxWindows dialogs
 906 LONG APIENTRY _EXPORT
 907 wxDlgProc(HWND WXUNUSED(hDlg),
 908           UINT message,
 909           WPARAM WXUNUSED(wParam),
 910           LPARAM WXUNUSED(lParam))
 911 {
 912     switch ( message )
 913     {
 914         case WM_INITDIALOG:
 915             // for this message, returning TRUE tells system to set focus to
 916             // the first control in the dialog box, but as we set the focus
 917             // ourselves, we return FALSE from here as well, so fall through
 918
 919         default:
 920             // for all the other ones, FALSE means that we didn't process the
 921             // message
 922             return FALSE;
 923     }
 924 }
 925
 926 // ============================================================================
 927 // wxTLWHiddenParentModule implementation
 928 // ============================================================================
 929
 930 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 931
 932 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 933
 934 bool wxTLWHiddenParentModule::OnInit()
 935 {
 936     ms_hwnd = NULL;
 937     ms_className = NULL;
 938
 939     return TRUE;
 940 }
 941
 942 void wxTLWHiddenParentModule::OnExit()
 943 {
 944     if ( ms_hwnd )
 945     {
 946         if ( !::DestroyWindow(ms_hwnd) )
 947         {
 948             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 949         }
 950
 951         ms_hwnd = NULL;
 952     }
 953
 954     if ( ms_className )
 955     {
 956         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 957         {
 958             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 959         }
 960
 961         ms_className = NULL;
 962     }
 963 }
 964
 965 /* static */
 966 HWND wxTLWHiddenParentModule::GetHWND()
 967 {
 968     if ( !ms_hwnd )
 969     {
 970         if ( !ms_className )
 971         {
 972             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 973
 974             WNDCLASS wndclass;
 975             wxZeroMemory(wndclass);
 976
 977             wndclass.lpfnWndProc   = DefWindowProc;
 978             wndclass.hInstance     = wxGetInstance();
 979             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 980
 981             if ( !::RegisterClass(&wndclass) )
 982             {
 983                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 984             }
 985             else
 986             {
 987                 ms_className = HIDDEN_PARENT_CLASS;
 988             }
 989         }
 990
 991         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
 992                                  (HMENU)NULL, wxGetInstance(), NULL);
 993         if ( !ms_hwnd )
 994         {
 995             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
 996         }
 997     }
 998
 999     return ms_hwnd;
1000 }
1001
1002