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 #ifdef __GNUG__
  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 #ifdef CreateDialog
  47 #undef CreateDialog
  48 #endif
  49
  50 #include "wx/display.h"
  51
  52 #ifndef ICON_BIG
  53     #define ICON_BIG 1
  54 #endif
  55
  56 #ifndef ICON_SMALL
  57     #define ICON_SMALL 0
  58 #endif
  59
  60 // ----------------------------------------------------------------------------
  61 // stubs for missing functions under MicroWindows
  62 // ----------------------------------------------------------------------------
  63
  64 #ifdef __WXMICROWIN__
  65
  66 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  67 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  68
  69 #endif // __WXMICROWIN__
  70
  71 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  72 //     is not included by wxUniv build which does need wxDlgProc
  73 LONG APIENTRY _EXPORT
  74 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  75
  76 // ----------------------------------------------------------------------------
  77 // globals
  78 // ----------------------------------------------------------------------------
  79
  80 // list of all frames and modeless dialogs
  81 wxWindowList wxModelessWindows;
  82
  83 // the name of the default wxWindows class
  84 extern const wxChar *wxCanvasClassName;
  85
  86 // ----------------------------------------------------------------------------
  87 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  88 // module to ensure that the window is always deleted)
  89 // ----------------------------------------------------------------------------
  90
  91 class wxTLWHiddenParentModule : public wxModule
  92 {
  93 public:
  94     // module init/finalize
  95     virtual bool OnInit();
  96     virtual void OnExit();
  97
  98     // get the hidden window (creates on demand)
  99     static HWND GetHWND();
 100
 101 private:
 102     // the HWND of the hidden parent
 103     static HWND ms_hwnd;
 104
 105     // the class used to create it
 106     static const wxChar *ms_className;
 107
 108     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 109 };
 110
 111 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 112
 113 // ============================================================================
 114 // wxTopLevelWindowMSW implementation
 115 // ============================================================================
 116
 117 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 118     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 119 END_EVENT_TABLE()
 120
 121 // ----------------------------------------------------------------------------
 122 // wxTopLevelWindowMSW creation
 123 // ----------------------------------------------------------------------------
 124
 125 void wxTopLevelWindowMSW::Init()
 126 {
 127     m_iconized =
 128     m_maximizeOnShow = FALSE;
 129
 130     // unlike (almost?) all other windows, frames are created hidden
 131     m_isShown = FALSE;
 132
 133     // Data to save/restore when calling ShowFullScreen
 134     m_fsStyle = 0;
 135     m_fsOldWindowStyle = 0;
 136     m_fsIsMaximized = FALSE;
 137     m_fsIsShowing = FALSE;
 138
 139     m_winLastFocused = (wxWindow *)NULL;
 140 }
 141
 142 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 143 {
 144     // let the base class deal with the common styles but fix the ones which
 145     // don't make sense for us (we also deal with the borders ourselves)
 146     WXDWORD msflags = wxWindow::MSWGetStyle
 147                       (
 148                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 149                       ) & ~WS_CHILD & ~WS_VISIBLE;
 150
 151     // first select the kind of window being created
 152     //
 153     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 154     // creates a window with both caption and border, hence we also test it
 155     // below in some other cases
 156     if ( style & wxFRAME_TOOL_WINDOW )
 157         msflags |= WS_POPUP;
 158     else
 159     {
 160 #ifdef __WXWINCE__
 161         if (msflags & WS_BORDER)
 162 #endif
 163             msflags |= WS_OVERLAPPED;
 164     }
 165
 166     // border and caption styles
 167     if ( style & wxRESIZE_BORDER )
 168     {
 169 #ifndef __WXWINCE__
 170         msflags |= WS_THICKFRAME;
 171 #endif
 172     }
 173     else if ( !(style & wxBORDER_NONE) )
 174         msflags |= WS_BORDER;
 175 #ifndef __WXWINCE__
 176     else
 177         msflags |= WS_POPUP;
 178 #endif
 179
 180     if ( style & wxCAPTION )
 181         msflags |= WS_CAPTION;
 182 #ifndef __WXWINCE__
 183     else
 184         msflags |= WS_POPUP;
 185 #endif
 186
 187     // next translate the individual flags
 188     if ( style & wxMINIMIZE_BOX )
 189         msflags |= WS_MINIMIZEBOX;
 190     if ( style & wxMAXIMIZE_BOX )
 191         msflags |= WS_MAXIMIZEBOX;
 192     if ( style & wxSYSTEM_MENU )
 193         msflags |= WS_SYSMENU;
 194 #ifndef __WXWINCE__
 195     if ( style & wxMINIMIZE )
 196         msflags |= WS_MINIMIZE;
 197     if ( style & wxMAXIMIZE )
 198         msflags |= WS_MAXIMIZE;
 199 #endif
 200
 201     // Keep this here because it saves recoding this function in wxTinyFrame
 202 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 203     if ( style & wxTINY_CAPTION_VERT )
 204         msflags |= IBS_VERTCAPTION;
 205     if ( style & wxTINY_CAPTION_HORIZ )
 206         msflags |= IBS_HORZCAPTION;
 207 #else
 208     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 209         msflags |= WS_CAPTION;
 210 #endif
 211
 212     if ( exflags )
 213     {
 214 #if !defined(__WIN16__)
 215         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 216         {
 217             if ( style & wxFRAME_TOOL_WINDOW )
 218             {
 219                 // create the palette-like window
 220                 *exflags |= WS_EX_TOOLWINDOW;
 221             }
 222
 223             // We have to solve 2 different problems here:
 224             //
 225             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 226             //    taskbar even if they don't have a parent
 227             //
 228             // 2. frames without this style should appear in the taskbar even
 229             //    if they're owned (Windows only puts non owned windows into
 230             //    the taskbar normally)
 231             //
 232             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 233             // first one is dealt with in our MSWGetParent() method
 234             // implementation
 235 #ifndef __WXWINCE__
 236             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 237             {
 238                 // need to force the frame to appear in the taskbar
 239                 *exflags |= WS_EX_APPWINDOW;
 240             }
 241 #endif
 242             //else: nothing to do [here]
 243         }
 244 #endif // !Win16
 245
 246         if ( style & wxSTAY_ON_TOP )
 247             *exflags |= WS_EX_TOPMOST;
 248
 249 #ifdef __WIN32__
 250         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 251             *exflags |= WS_EX_CONTEXTHELP;
 252 #endif // __WIN32__
 253     }
 254
 255     return msflags;
 256 }
 257
 258 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 259 {
 260     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 261     // parent HWND or it would be always on top of its parent which is not what
 262     // we usually want (in fact, we only want it for frames with the
 263     // wxFRAME_FLOAT_ON_PARENT flag)
 264     HWND hwndParent = NULL;
 265     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 266     {
 267         const wxWindow *parent = GetParent();
 268
 269         if ( !parent )
 270         {
 271             // this flag doesn't make sense then and will be ignored
 272             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 273         }
 274         else
 275         {
 276             hwndParent = GetHwndOf(parent);
 277         }
 278     }
 279     //else: don't float on parent, must not be owned
 280
 281     // now deal with the 2nd taskbar-related problem (see comments above in
 282     // MSWGetStyle())
 283     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 284     {
 285         // use hidden parent
 286         hwndParent = wxTLWHiddenParentModule::GetHWND();
 287     }
 288
 289     return (WXHWND)hwndParent;
 290 }
 291
 292 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 293                                        const wxString& title,
 294                                        const wxPoint& pos,
 295                                        const wxSize& size)
 296 {
 297 #ifdef __WXMICROWIN__
 298     // no dialogs support under MicroWin yet
 299     return CreateFrame(title, pos, size);
 300 #else // !__WXMICROWIN__
 301     wxWindow *parent = GetParent();
 302
 303     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 304     // app window as parent - this avoids creating modal dialogs without
 305     // parent
 306     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 307     {
 308         parent = wxTheApp->GetTopWindow();
 309
 310         if ( parent )
 311         {
 312             // don't use transient windows as parents, this is dangerous as it
 313             // can lead to a crash if the parent is destroyed before the child
 314             //
 315             // also don't use the window which is currently hidden as then the
 316             // dialog would be hidden as well
 317             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 318                     !parent->IsShown() )
 319             {
 320                 parent = NULL;
 321             }
 322         }
 323     }
 324
 325     m_hWnd = (WXHWND)::CreateDialogIndirect
 326                        (
 327                         wxGetInstance(),
 328                         (DLGTEMPLATE*)dlgTemplate,
 329                         parent ? GetHwndOf(parent) : NULL,
 330                         (DLGPROC)wxDlgProc
 331                        );
 332
 333     if ( !m_hWnd )
 334     {
 335         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 336
 337         wxLogSysError(wxT("Can't create dialog using memory template"));
 338
 339         return FALSE;
 340     }
 341
 342     WXDWORD exflags;
 343     (void)MSWGetCreateWindowFlags(&exflags);
 344
 345     if ( exflags )
 346     {
 347         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 348         ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
 349                        SWP_NOSIZE |
 350                        SWP_NOMOVE |
 351                        SWP_NOZORDER |
 352                        SWP_NOACTIVATE);
 353     }
 354
 355 #if defined(__WIN95__)
 356     // For some reason, the system menu is activated when we use the
 357     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 358     if ( exflags & WS_EX_CONTEXTHELP )
 359     {
 360         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 361         if ( winTop )
 362         {
 363             wxIcon icon = winTop->GetIcon();
 364             if ( icon.Ok() )
 365             {
 366                 ::SendMessage(GetHwnd(), WM_SETICON,
 367                               (WPARAM)TRUE,
 368                               (LPARAM)GetHiconOf(icon));
 369             }
 370         }
 371     }
 372 #endif // __WIN95__
 373
 374     // move the dialog to its initial position without forcing repainting
 375     int x, y, w, h;
 376     if ( !MSWGetCreateWindowCoords(pos, size, x, y, w, h) )
 377     {
 378         x =
 379         w = (int)CW_USEDEFAULT;
 380     }
 381
 382     // we can't use CW_USEDEFAULT here as we're not calling CreateWindow()
 383     // and passing CW_USEDEFAULT to MoveWindow() results in resizing the
 384     // window to (0, 0) size which breaks quite a lot of things, e.g. the
 385     // sizer calculation in wxSizer::Fit()
 386     if ( w == (int)CW_USEDEFAULT )
 387     {
 388         // the exact number doesn't matter, the dialog will be resized
 389         // again soon anyhow but it should be big enough to allow
 390         // calculation relying on "totalSize - clientSize > 0" work, i.e.
 391         // at least greater than the title bar height
 392         w =
 393         h = 100;
 394     }
 395
 396     if ( x == (int)CW_USEDEFAULT )
 397     {
 398         // centre it on the screen - what else can we do?
 399         wxSize sizeDpy = wxGetDisplaySize();
 400
 401         x = (sizeDpy.x - w) / 2;
 402         y = (sizeDpy.y - h) / 2;
 403     }
 404
 405     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 406     {
 407         wxLogLastError(wxT("MoveWindow"));
 408     }
 409
 410     if ( !title.empty() )
 411     {
 412         ::SetWindowText(GetHwnd(), title);
 413     }
 414
 415     SubclassWin(m_hWnd);
 416
 417     return TRUE;
 418 #endif // __WXMICROWIN__/!__WXMICROWIN__
 419 }
 420
 421 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 422                                       const wxPoint& pos,
 423                                       const wxSize& size)
 424 {
 425     WXDWORD exflags;
 426     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 427
 428     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 429 }
 430
 431 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 432                                  wxWindowID id,
 433                                  const wxString& title,
 434                                  const wxPoint& pos,
 435                                  const wxSize& size,
 436                                  long style,
 437                                  const wxString& name)
 438 {
 439     bool ret = false;
 440
 441     // init our fields
 442     Init();
 443
 444     m_windowStyle = style;
 445
 446     SetName(name);
 447
 448     m_windowId = id == -1 ? NewControlId() : id;
 449
 450     wxTopLevelWindows.Append(this);
 451
 452     if ( parent )
 453         parent->AddChild(this);
 454
 455     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 456     {
 457         // we have different dialog templates to allows creation of dialogs
 458         // with & without captions under MSWindows, resizeable or not (but a
 459         // resizeable dialog always has caption - otherwise it would look too
 460         // strange)
 461
 462         // we need 3 additional WORDs for dialog menu, class and title (as we
 463         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 464         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 465         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 466         memset(dlgTemplate, 0, dlgsize);
 467
 468         // these values are arbitrary, they won't be used normally anyhow
 469         dlgTemplate->x  = 34;
 470         dlgTemplate->y  = 22;
 471         dlgTemplate->cx = 144;
 472         dlgTemplate->cy = 75;
 473
 474         // reuse the code in MSWGetStyle() but correct the results slightly for
 475         // the dialog
 476         dlgTemplate->style = MSWGetStyle(style, NULL);
 477
 478         // all dialogs are popups
 479         dlgTemplate->style |= WS_POPUP;
 480
 481         // force 3D-look if necessary, it looks impossibly ugly otherwise
 482         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 483             dlgTemplate->style |= DS_MODALFRAME;
 484
 485         ret = CreateDialog(dlgTemplate, title, pos, size);
 486         free(dlgTemplate);
 487     }
 488     else // !dialog
 489     {
 490         ret = CreateFrame(title, pos, size);
 491     }
 492
 493     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 494     {
 495         EnableCloseButton(false);
 496     }
 497
 498     return ret;
 499 }
 500
 501 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 502 {
 503     if ( wxModelessWindows.Find(this) )
 504         wxModelessWindows.DeleteObject(this);
 505
 506     // after destroying an owned window, Windows activates the next top level
 507     // window in Z order but it may be different from our owner (to reproduce
 508     // this simply Alt-TAB to another application and back before closing the
 509     // owned frame) whereas we always want to yield activation to our parent
 510     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 511     {
 512         wxWindow *parent = GetParent();
 513         if ( parent )
 514         {
 515             ::BringWindowToTop(GetHwndOf(parent));
 516         }
 517     }
 518 }
 519
 520 // ----------------------------------------------------------------------------
 521 // wxTopLevelWindowMSW showing
 522 // ----------------------------------------------------------------------------
 523
 524 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 525 {
 526     ::ShowWindow(GetHwnd(), nShowCmd);
 527
 528     m_iconized = nShowCmd == SW_MINIMIZE;
 529 }
 530
 531 bool wxTopLevelWindowMSW::Show(bool show)
 532 {
 533     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 534     if ( !wxWindowBase::Show(show) )
 535         return FALSE;
 536
 537     int nShowCmd;
 538     if ( show )
 539     {
 540         if ( m_maximizeOnShow )
 541         {
 542             // show and maximize
 543             nShowCmd = SW_MAXIMIZE;
 544
 545             m_maximizeOnShow = FALSE;
 546         }
 547         else // just show
 548         {
 549            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 550                nShowCmd = SW_SHOWNA;
 551            else
 552                nShowCmd = SW_SHOW;
 553         }
 554     }
 555     else // hide
 556     {
 557         nShowCmd = SW_HIDE;
 558     }
 559
 560     DoShowWindow(nShowCmd);
 561
 562     if ( show )
 563     {
 564         ::BringWindowToTop(GetHwnd());
 565
 566         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 567         event.SetEventObject( this );
 568         GetEventHandler()->ProcessEvent(event);
 569     }
 570     else // hide
 571     {
 572         // Try to highlight the correct window (the parent)
 573         if ( GetParent() )
 574         {
 575             HWND hWndParent = GetHwndOf(GetParent());
 576             if (hWndParent)
 577                 ::BringWindowToTop(hWndParent);
 578         }
 579     }
 580
 581     return TRUE;
 582 }
 583
 584 // ----------------------------------------------------------------------------
 585 // wxTopLevelWindowMSW maximize/minimize
 586 // ----------------------------------------------------------------------------
 587
 588 void wxTopLevelWindowMSW::Maximize(bool maximize)
 589 {
 590     if ( IsShown() )
 591     {
 592         // just maximize it directly
 593         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 594     }
 595     else // hidden
 596     {
 597         // we can't maximize the hidden frame because it shows it as well, so
 598         // just remember that we should do it later in this case
 599         m_maximizeOnShow = maximize;
 600     }
 601 }
 602
 603 bool wxTopLevelWindowMSW::IsMaximized() const
 604 {
 605 #ifdef __WXWINCE__
 606     return FALSE;
 607 #else
 608     return ::IsZoomed(GetHwnd()) != 0;
 609 #endif
 610 }
 611
 612 void wxTopLevelWindowMSW::Iconize(bool iconize)
 613 {
 614     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 615 }
 616
 617 bool wxTopLevelWindowMSW::IsIconized() const
 618 {
 619 #ifdef __WXWINCE__
 620     return FALSE;
 621 #else
 622     // also update the current state
 623     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 624
 625     return m_iconized;
 626 #endif
 627 }
 628
 629 void wxTopLevelWindowMSW::Restore()
 630 {
 631     DoShowWindow(SW_RESTORE);
 632 }
 633
 634 // ----------------------------------------------------------------------------
 635 // wxTopLevelWindowMSW fullscreen
 636 // ----------------------------------------------------------------------------
 637
 638 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 639 {
 640     if ( show == IsFullScreen() )
 641     {
 642         // nothing to do
 643         return TRUE;
 644     }
 645
 646     m_fsIsShowing = show;
 647
 648     if ( show )
 649     {
 650         m_fsStyle = style;
 651
 652         // zap the frame borders
 653
 654         // save the 'normal' window style
 655         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 656
 657         // save the old position, width & height, maximize state
 658         m_fsOldSize = GetRect();
 659         m_fsIsMaximized = IsMaximized();
 660
 661         // decide which window style flags to turn off
 662         LONG newStyle = m_fsOldWindowStyle;
 663         LONG offFlags = 0;
 664
 665         if (style & wxFULLSCREEN_NOBORDER)
 666         {
 667             offFlags |= WS_BORDER;
 668 #ifndef __WXWINCE__
 669             offFlags |= WS_THICKFRAME;
 670 #endif
 671         }
 672         if (style & wxFULLSCREEN_NOCAPTION)
 673             offFlags |= WS_CAPTION | WS_SYSMENU;
 674
 675         newStyle &= ~offFlags;
 676
 677         // change our window style to be compatible with full-screen mode
 678         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 679
 680         wxRect rect;
 681 #if wxUSE_DISPLAY
 682         // resize to the size of the display containing us
 683         int dpy = wxDisplay::GetFromWindow(this);
 684         if ( dpy != wxNOT_FOUND )
 685         {
 686             rect = wxDisplay(dpy).GetGeometry();
 687         }
 688         else // fall back to the main desktop
 689 #else // wxUSE_DISPLAY
 690         {
 691             // FIXME: implement for WinCE
 692 #ifndef __WXWINCE__
 693             // resize to the size of the desktop
 694             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 695 #endif
 696         }
 697 #endif // wxUSE_DISPLAY
 698
 699         SetSize(rect);
 700
 701         // now flush the window style cache and actually go full-screen
 702         long flags = SWP_FRAMECHANGED;
 703
 704         // showing the frame full screen should also show it if it's still
 705         // hidden
 706         if ( !IsShown() )
 707         {
 708             // don't call wxWindow version to avoid flicker from calling
 709             // ::ShowWindow() -- we're going to show the window at the correct
 710             // location directly below -- but do call the wxWindowBase version
 711             // to sync the internal m_isShown flag
 712             wxWindowBase::Show();
 713
 714             flags |= SWP_SHOWWINDOW;
 715         }
 716
 717         SetWindowPos(GetHwnd(), HWND_TOP,
 718                      rect.x, rect.y, rect.width, rect.height,
 719                      flags);
 720
 721         // finally send an event allowing the window to relayout itself &c
 722         wxSizeEvent event(rect.GetSize(), GetId());
 723         GetEventHandler()->ProcessEvent(event);
 724     }
 725     else // stop showing full screen
 726     {
 727         Maximize(m_fsIsMaximized);
 728         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 729         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 730             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 731     }
 732
 733     return TRUE;
 734 }
 735
 736 // ----------------------------------------------------------------------------
 737 // wxTopLevelWindowMSW misc
 738 // ----------------------------------------------------------------------------
 739
 740 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 741 {
 742     SetIcons( wxIconBundle( icon ) );
 743 }
 744
 745 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 746 {
 747     wxTopLevelWindowBase::SetIcons(icons);
 748
 749 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 750     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 751     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 752     {
 753         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 754                        (LPARAM)GetHiconOf(sml) );
 755     }
 756
 757     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 758     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 759     {
 760         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 761                        (LPARAM)GetHiconOf(big) );
 762     }
 763 #endif // __WIN95__
 764 }
 765
 766 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 767 {
 768 #if !defined(__WXMICROWIN__)
 769     // get system (a.k.a. window) menu
 770     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 771     if ( !hmenu )
 772     {
 773         // no system menu at all -- ok if we want to remove the close button
 774         // anyhow, but bad if we want to show it
 775         return !enable;
 776     }
 777
 778     // enabling/disabling the close item from it also automatically
 779     // disables/enables the close title bar button
 780     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 781                           MF_BYCOMMAND |
 782                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 783     {
 784         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 785
 786         return FALSE;
 787     }
 788
 789     // update appearance immediately
 790     if ( !::DrawMenuBar(GetHwnd()) )
 791     {
 792         wxLogLastError(_T("DrawMenuBar"));
 793     }
 794 #endif // !__WXMICROWIN__
 795
 796     return TRUE;
 797 }
 798
 799 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 800 {
 801 #ifdef __WXWINCE__
 802     return FALSE;
 803 #else
 804     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 805                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 806
 807     // The empty region signifies that the shape should be removed from the
 808     // window.
 809     if ( region.IsEmpty() )
 810     {
 811         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 812         {
 813             wxLogLastError(_T("SetWindowRgn"));
 814             return FALSE;
 815         }
 816         return TRUE;
 817     }
 818
 819     // Windows takes ownership of the region, so
 820     // we'll have to make a copy of the region to give to it.
 821     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 822     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 823     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 824     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 825     delete[] (char*) rgnData;
 826
 827     // SetWindowRgn expects the region to be in coordinants
 828     // relative to the window, not the client area.  Figure
 829     // out the offset, if any.
 830     RECT rect;
 831     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 832     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 833     ::GetClientRect(GetHwnd(), &rect);
 834     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 835     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 836
 837     // Now call the shape API with the new region.
 838     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 839     {
 840         wxLogLastError(_T("SetWindowRgn"));
 841         return FALSE;
 842     }
 843     return TRUE;
 844 #endif
 845 }
 846
 847 // ----------------------------------------------------------------------------
 848 // wxTopLevelWindow event handling
 849 // ----------------------------------------------------------------------------
 850
 851 // Default activation behaviour - set the focus for the first child
 852 // subwindow found.
 853 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 854 {
 855     if ( event.GetActive() )
 856     {
 857         // restore focus to the child which was last focused
 858         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 859
 860         wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 861                                             : NULL;
 862         if ( !parent )
 863         {
 864             parent = this;
 865         }
 866
 867         wxSetFocusToChild(parent, &m_winLastFocused);
 868     }
 869     else // deactivating
 870     {
 871         // remember the last focused child if it is our child
 872         m_winLastFocused = FindFocus();
 873
 874         if ( m_winLastFocused )
 875         {
 876             // let it know that it doesn't have focus any more
 877             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 878         }
 879
 880         // so we NULL it out if it's a child from some other frame
 881         wxWindow *win = m_winLastFocused;
 882         while ( win )
 883         {
 884             if ( win->IsTopLevel() )
 885             {
 886                 if ( win != this )
 887                 {
 888                     m_winLastFocused = NULL;
 889                 }
 890
 891                 break;
 892             }
 893
 894             win = win->GetParent();
 895         }
 896
 897         wxLogTrace(_T("focus"),
 898                    _T("wxTLW %08x deactivated, last focused: %08x."),
 899                    (int) m_hWnd,
 900                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 901                                            : NULL));
 902
 903         event.Skip();
 904     }
 905 }
 906
 907 // the DialogProc for all wxWindows dialogs
 908 LONG APIENTRY _EXPORT
 909 wxDlgProc(HWND WXUNUSED(hDlg),
 910           UINT message,
 911           WPARAM WXUNUSED(wParam),
 912           LPARAM WXUNUSED(lParam))
 913 {
 914     switch ( message )
 915     {
 916         case WM_INITDIALOG:
 917             // for this message, returning TRUE tells system to set focus to
 918             // the first control in the dialog box, but as we set the focus
 919             // ourselves, we return FALSE from here as well, so fall through
 920
 921         default:
 922             // for all the other ones, FALSE means that we didn't process the
 923             // message
 924             return FALSE;
 925     }
 926 }
 927
 928 // ============================================================================
 929 // wxTLWHiddenParentModule implementation
 930 // ============================================================================
 931
 932 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 933
 934 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 935
 936 bool wxTLWHiddenParentModule::OnInit()
 937 {
 938     ms_hwnd = NULL;
 939     ms_className = NULL;
 940
 941     return TRUE;
 942 }
 943
 944 void wxTLWHiddenParentModule::OnExit()
 945 {
 946     if ( ms_hwnd )
 947     {
 948         if ( !::DestroyWindow(ms_hwnd) )
 949         {
 950             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 951         }
 952
 953         ms_hwnd = NULL;
 954     }
 955
 956     if ( ms_className )
 957     {
 958         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 959         {
 960             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 961         }
 962
 963         ms_className = NULL;
 964     }
 965 }
 966
 967 /* static */
 968 HWND wxTLWHiddenParentModule::GetHWND()
 969 {
 970     if ( !ms_hwnd )
 971     {
 972         if ( !ms_className )
 973         {
 974             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 975
 976             WNDCLASS wndclass;
 977             wxZeroMemory(wndclass);
 978
 979             wndclass.lpfnWndProc   = DefWindowProc;
 980             wndclass.hInstance     = wxGetInstance();
 981             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 982
 983             if ( !::RegisterClass(&wndclass) )
 984             {
 985                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 986             }
 987             else
 988             {
 989                 ms_className = HIDDEN_PARENT_CLASS;
 990             }
 991         }
 992
 993         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
 994                                  (HMENU)NULL, wxGetInstance(), NULL);
 995         if ( !ms_hwnd )
 996         {
 997             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
 998         }
 999     }
1000
1001     return ms_hwnd;
1002 }
1003
1004