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 #if defined(__WXWINCE__)
  45   #include <ole2.h>
  46   #include <shellapi.h>
  47   #if _WIN32_WCE < 400
  48     #include <aygshell.h>
  49   #endif
  50 #include "wx/msw/wince/missing.h"
  51 #endif
  52
  53 #include "wx/msw/missing.h"
  54 #include "wx/msw/winundef.h"
  55
  56 #include "wx/display.h"
  57
  58 #ifndef ICON_BIG
  59     #define ICON_BIG 1
  60 #endif
  61
  62 #ifndef ICON_SMALL
  63     #define ICON_SMALL 0
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // stubs for missing functions under MicroWindows
  68 // ----------------------------------------------------------------------------
  69
  70 #ifdef __WXMICROWIN__
  71
  72 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  73 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  74
  75 #endif // __WXMICROWIN__
  76
  77 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  78 //     is not included by wxUniv build which does need wxDlgProc
  79 LONG APIENTRY _EXPORT
  80 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  81
  82 // ----------------------------------------------------------------------------
  83 // globals
  84 // ----------------------------------------------------------------------------
  85
  86 // list of all frames and modeless dialogs
  87 wxWindowList wxModelessWindows;
  88
  89 // the name of the default wxWindows class
  90 extern const wxChar *wxCanvasClassName;
  91
  92 // ----------------------------------------------------------------------------
  93 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  94 // module to ensure that the window is always deleted)
  95 // ----------------------------------------------------------------------------
  96
  97 class wxTLWHiddenParentModule : public wxModule
  98 {
  99 public:
 100     // module init/finalize
 101     virtual bool OnInit();
 102     virtual void OnExit();
 103
 104     // get the hidden window (creates on demand)
 105     static HWND GetHWND();
 106
 107 private:
 108     // the HWND of the hidden parent
 109     static HWND ms_hwnd;
 110
 111     // the class used to create it
 112     static const wxChar *ms_className;
 113
 114     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 115 };
 116
 117 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 118
 119 // ============================================================================
 120 // wxTopLevelWindowMSW implementation
 121 // ============================================================================
 122
 123 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 124     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 125 END_EVENT_TABLE()
 126
 127 // ----------------------------------------------------------------------------
 128 // wxTopLevelWindowMSW creation
 129 // ----------------------------------------------------------------------------
 130
 131 void wxTopLevelWindowMSW::Init()
 132 {
 133     m_iconized =
 134     m_maximizeOnShow = FALSE;
 135
 136     // Data to save/restore when calling ShowFullScreen
 137     m_fsStyle = 0;
 138     m_fsOldWindowStyle = 0;
 139     m_fsIsMaximized = FALSE;
 140     m_fsIsShowing = FALSE;
 141
 142     m_winLastFocused = (wxWindow *)NULL;
 143 }
 144
 145 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 146 {
 147     // let the base class deal with the common styles but fix the ones which
 148     // don't make sense for us (we also deal with the borders ourselves)
 149     WXDWORD msflags = wxWindow::MSWGetStyle
 150                       (
 151                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 152                       ) & ~WS_CHILD & ~WS_VISIBLE;
 153
 154     // first select the kind of window being created
 155     //
 156     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 157     // creates a window with both caption and border, hence we also test it
 158     // below in some other cases
 159     if ( style & wxFRAME_TOOL_WINDOW )
 160     {
 161         msflags |= WS_POPUP;
 162     }
 163     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 164
 165     // border and caption styles
 166     if ( style & wxRESIZE_BORDER )
 167         msflags |= WS_THICKFRAME;
 168     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 169         *exflags |= WS_EX_DLGMODALFRAME;
 170     else if ( !(style & wxBORDER_NONE) )
 171         msflags |= WS_BORDER;
 172     else
 173         msflags |= WS_POPUP;
 174
 175     // normally we consider that all windows without caption must be popups,
 176     // but CE is an exception: there windows normally do not have the caption
 177     // but shouldn't be made popups as popups can't have menus and don't look
 178     // like normal windows anyhow
 179     if ( style & wxCAPTION )
 180         msflags |= WS_CAPTION;
 181 #ifndef __WXWINCE__
 182     else
 183         msflags |= WS_POPUP;
 184 #endif // !__WXWINCE__
 185
 186     // next translate the individual flags
 187     if ( style & wxMINIMIZE_BOX )
 188         msflags |= WS_MINIMIZEBOX;
 189     if ( style & wxMAXIMIZE_BOX )
 190         msflags |= WS_MAXIMIZEBOX;
 191     if ( style & wxSYSTEM_MENU )
 192         msflags |= WS_SYSMENU;
 193
 194     // NB: under CE these 2 styles are not supported currently, we should
 195     //     call Minimize()/Maximize() "manually" if we want to support them
 196     if ( style & wxMINIMIZE )
 197         msflags |= WS_MINIMIZE;
 198     if ( style & wxMAXIMIZE )
 199         msflags |= WS_MAXIMIZE;
 200
 201     // Keep this here because it saves recoding this function in wxTinyFrame
 202     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 203         msflags |= WS_CAPTION;
 204
 205     if ( exflags )
 206     {
 207         // there is no taskbar under CE, so omit all this
 208 #ifndef __WXWINCE__
 209         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 210         {
 211             if ( style & wxFRAME_TOOL_WINDOW )
 212             {
 213                 // create the palette-like window
 214                 *exflags |= WS_EX_TOOLWINDOW;
 215
 216                 // tool windows shouldn't appear on the taskbar (as documented)
 217                 style |= wxFRAME_NO_TASKBAR;
 218             }
 219
 220             // We have to solve 2 different problems here:
 221             //
 222             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 223             //    taskbar even if they don't have a parent
 224             //
 225             // 2. frames without this style should appear in the taskbar even
 226             //    if they're owned (Windows only puts non owned windows into
 227             //    the taskbar normally)
 228             //
 229             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 230             // first one is dealt with in our MSWGetParent() method
 231             // implementation
 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             //else: nothing to do [here]
 238         }
 239 #endif // !__WXWINCE__
 240
 241         if ( style & wxSTAY_ON_TOP )
 242             *exflags |= WS_EX_TOPMOST;
 243
 244         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 245             *exflags |= WS_EX_CONTEXTHELP;
 246     }
 247
 248     return msflags;
 249 }
 250
 251 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 252 {
 253     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 254     // parent HWND or it would be always on top of its parent which is not what
 255     // we usually want (in fact, we only want it for frames with the
 256     // wxFRAME_FLOAT_ON_PARENT flag)
 257     HWND hwndParent = NULL;
 258     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 259     {
 260         const wxWindow *parent = GetParent();
 261
 262         if ( !parent )
 263         {
 264             // this flag doesn't make sense then and will be ignored
 265             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 266         }
 267         else
 268         {
 269             hwndParent = GetHwndOf(parent);
 270         }
 271     }
 272     //else: don't float on parent, must not be owned
 273
 274     // now deal with the 2nd taskbar-related problem (see comments above in
 275     // MSWGetStyle())
 276     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 277     {
 278         // use hidden parent
 279         hwndParent = wxTLWHiddenParentModule::GetHWND();
 280     }
 281
 282     return (WXHWND)hwndParent;
 283 }
 284
 285 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 286                                        const wxString& title,
 287                                        const wxPoint& pos,
 288                                        const wxSize& size)
 289 {
 290 #ifdef __WXMICROWIN__
 291     // no dialogs support under MicroWin yet
 292     return CreateFrame(title, pos, size);
 293 #else // !__WXMICROWIN__
 294     wxWindow *parent = GetParent();
 295
 296     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 297     // app window as parent - this avoids creating modal dialogs without
 298     // parent
 299     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 300     {
 301         parent = wxTheApp->GetTopWindow();
 302
 303         if ( parent )
 304         {
 305             // don't use transient windows as parents, this is dangerous as it
 306             // can lead to a crash if the parent is destroyed before the child
 307             //
 308             // also don't use the window which is currently hidden as then the
 309             // dialog would be hidden as well
 310             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 311                     !parent->IsShown() )
 312             {
 313                 parent = NULL;
 314             }
 315         }
 316     }
 317
 318     m_hWnd = (WXHWND)::CreateDialogIndirect
 319                        (
 320                         wxGetInstance(),
 321                         (DLGTEMPLATE*)dlgTemplate,
 322                         parent ? GetHwndOf(parent) : NULL,
 323                         (DLGPROC)wxDlgProc
 324                        );
 325
 326     if ( !m_hWnd )
 327     {
 328         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 329
 330         wxLogSysError(wxT("Can't create dialog using memory template"));
 331
 332         return FALSE;
 333     }
 334
 335     WXDWORD exflags;
 336     (void)MSWGetCreateWindowFlags(&exflags);
 337
 338     if ( exflags )
 339     {
 340         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 341         ::SetWindowPos(GetHwnd(),
 342                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 343                        0, 0, 0, 0,
 344                        SWP_NOSIZE |
 345                        SWP_NOMOVE |
 346                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 347                        SWP_NOACTIVATE);
 348     }
 349
 350 #if defined(__WIN95__)
 351     // For some reason, the system menu is activated when we use the
 352     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 353     if ( exflags & WS_EX_CONTEXTHELP )
 354     {
 355         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 356         if ( winTop )
 357         {
 358             wxIcon icon = winTop->GetIcon();
 359             if ( icon.Ok() )
 360             {
 361                 ::SendMessage(GetHwnd(), WM_SETICON,
 362                               (WPARAM)TRUE,
 363                               (LPARAM)GetHiconOf(icon));
 364             }
 365         }
 366     }
 367 #endif // __WIN95__
 368
 369     // move the dialog to its initial position without forcing repainting
 370     int x, y, w, h;
 371     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 372
 373     if ( x == (int)CW_USEDEFAULT )
 374     {
 375         // centre it on the screen - what else can we do?
 376         wxSize sizeDpy = wxGetDisplaySize();
 377
 378         x = (sizeDpy.x - w) / 2;
 379         y = (sizeDpy.y - h) / 2;
 380     }
 381
 382     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 383     {
 384         wxLogLastError(wxT("MoveWindow"));
 385     }
 386
 387     if ( !title.empty() )
 388     {
 389         ::SetWindowText(GetHwnd(), title);
 390     }
 391
 392     SubclassWin(m_hWnd);
 393
 394     return TRUE;
 395 #endif // __WXMICROWIN__/!__WXMICROWIN__
 396 }
 397
 398 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 399                                       const wxPoint& pos,
 400                                       const wxSize& size)
 401 {
 402     WXDWORD exflags;
 403     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 404
 405     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 406 }
 407
 408 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 409                                  wxWindowID id,
 410                                  const wxString& title,
 411                                  const wxPoint& pos,
 412                                  const wxSize& size,
 413                                  long style,
 414                                  const wxString& name)
 415 {
 416     bool ret wxDUMMY_INITIALIZE(false);
 417
 418     // init our fields
 419     Init();
 420
 421     wxSize sizeReal = size;
 422     if ( !sizeReal.IsFullySpecified() )
 423     {
 424         sizeReal.SetDefaults(GetDefaultSize());
 425     }
 426
 427     m_windowStyle = style;
 428
 429     SetName(name);
 430
 431     m_windowId = id == -1 ? NewControlId() : id;
 432
 433     wxTopLevelWindows.Append(this);
 434
 435     if ( parent )
 436         parent->AddChild(this);
 437
 438     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 439     {
 440         // we have different dialog templates to allows creation of dialogs
 441         // with & without captions under MSWindows, resizeable or not (but a
 442         // resizeable dialog always has caption - otherwise it would look too
 443         // strange)
 444
 445         // we need 3 additional WORDs for dialog menu, class and title (as we
 446         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 447         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 448         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 449         memset(dlgTemplate, 0, dlgsize);
 450
 451         // these values are arbitrary, they won't be used normally anyhow
 452         dlgTemplate->x  = 34;
 453         dlgTemplate->y  = 22;
 454         dlgTemplate->cx = 144;
 455         dlgTemplate->cy = 75;
 456
 457         // reuse the code in MSWGetStyle() but correct the results slightly for
 458         // the dialog
 459         dlgTemplate->style = MSWGetStyle(style, NULL);
 460
 461         // all dialogs are popups
 462         dlgTemplate->style |= WS_POPUP;
 463
 464         // force 3D-look if necessary, it looks impossibly ugly otherwise
 465         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 466             dlgTemplate->style |= DS_MODALFRAME;
 467
 468         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 469         free(dlgTemplate);
 470     }
 471     else // !dialog
 472     {
 473         ret = CreateFrame(title, pos, sizeReal);
 474     }
 475
 476     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 477     {
 478         EnableCloseButton(false);
 479     }
 480
 481     // for some reason we need to manually send ourselves this message as
 482     // otherwise the mnemonics are always shown -- even if they're configured
 483     // to be hidden until "Alt" is pressed in the control panel
 484     //
 485     // this could indicate a bug somewhere else but for now this is the only
 486     // fix we have
 487     if ( ret )
 488     {
 489         SendMessage
 490         (
 491             GetHwnd(),
 492             WM_UPDATEUISTATE,
 493             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 494             0
 495         );
 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             // resize to the size of the desktop
 692             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 693 #ifdef __WXWINCE__
 694             // FIXME: size of the bottom menu (toolbar)
 695             // should be taken in account
 696             rect.height += rect.y;
 697             rect.y       = 0;
 698 #endif
 699         }
 700 #endif // wxUSE_DISPLAY
 701
 702         SetSize(rect);
 703
 704         // now flush the window style cache and actually go full-screen
 705         long flags = SWP_FRAMECHANGED;
 706
 707         // showing the frame full screen should also show it if it's still
 708         // hidden
 709         if ( !IsShown() )
 710         {
 711             // don't call wxWindow version to avoid flicker from calling
 712             // ::ShowWindow() -- we're going to show the window at the correct
 713             // location directly below -- but do call the wxWindowBase version
 714             // to sync the internal m_isShown flag
 715             wxWindowBase::Show();
 716
 717             flags |= SWP_SHOWWINDOW;
 718         }
 719
 720         SetWindowPos(GetHwnd(), HWND_TOP,
 721                      rect.x, rect.y, rect.width, rect.height,
 722                      flags);
 723
 724 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 725         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 726 #endif
 727
 728         // finally send an event allowing the window to relayout itself &c
 729         wxSizeEvent event(rect.GetSize(), GetId());
 730         GetEventHandler()->ProcessEvent(event);
 731     }
 732     else // stop showing full screen
 733     {
 734 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 735         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 736 #endif
 737         Maximize(m_fsIsMaximized);
 738         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 739         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 740             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 741     }
 742
 743     return TRUE;
 744 }
 745
 746 // ----------------------------------------------------------------------------
 747 // wxTopLevelWindowMSW misc
 748 // ----------------------------------------------------------------------------
 749
 750 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 751 {
 752     SetIcons( wxIconBundle( icon ) );
 753 }
 754
 755 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 756 {
 757     wxTopLevelWindowBase::SetIcons(icons);
 758
 759 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 760     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 761     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 762     {
 763         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 764                        (LPARAM)GetHiconOf(sml) );
 765     }
 766
 767     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 768     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 769     {
 770         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 771                        (LPARAM)GetHiconOf(big) );
 772     }
 773 #endif // __WIN95__
 774 }
 775
 776 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 777 {
 778 #if !defined(__WXMICROWIN__)
 779     // get system (a.k.a. window) menu
 780     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 781     if ( !hmenu )
 782     {
 783         // no system menu at all -- ok if we want to remove the close button
 784         // anyhow, but bad if we want to show it
 785         return !enable;
 786     }
 787
 788     // enabling/disabling the close item from it also automatically
 789     // disables/enables the close title bar button
 790     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 791                           MF_BYCOMMAND |
 792                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 793     {
 794         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 795
 796         return FALSE;
 797     }
 798
 799     // update appearance immediately
 800     if ( !::DrawMenuBar(GetHwnd()) )
 801     {
 802         wxLogLastError(_T("DrawMenuBar"));
 803     }
 804 #endif // !__WXMICROWIN__
 805
 806     return TRUE;
 807 }
 808
 809 #ifndef __WXWINCE__
 810
 811 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 812 {
 813     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 814                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 815
 816     // The empty region signifies that the shape should be removed from the
 817     // window.
 818     if ( region.IsEmpty() )
 819     {
 820         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 821         {
 822             wxLogLastError(_T("SetWindowRgn"));
 823             return FALSE;
 824         }
 825         return TRUE;
 826     }
 827
 828     // Windows takes ownership of the region, so
 829     // we'll have to make a copy of the region to give to it.
 830     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 831     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 832     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 833     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 834     delete[] (char*) rgnData;
 835
 836     // SetWindowRgn expects the region to be in coordinants
 837     // relative to the window, not the client area.  Figure
 838     // out the offset, if any.
 839     RECT rect;
 840     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 841     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 842     ::GetClientRect(GetHwnd(), &rect);
 843     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 844     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 845
 846     // Now call the shape API with the new region.
 847     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 848     {
 849         wxLogLastError(_T("SetWindowRgn"));
 850         return FALSE;
 851     }
 852     return TRUE;
 853 }
 854
 855 #endif // !__WXWINCE__
 856
 857 // ----------------------------------------------------------------------------
 858 // wxTopLevelWindow event handling
 859 // ----------------------------------------------------------------------------
 860
 861 // Default activation behaviour - set the focus for the first child
 862 // subwindow found.
 863 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 864 {
 865     if ( event.GetActive() )
 866     {
 867         // restore focus to the child which was last focused unless we already
 868         // have it
 869         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 870
 871         wxWindow *winFocus = FindFocus();
 872         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 873         {
 874             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 875                                                 : NULL;
 876             if ( !parent )
 877             {
 878                 parent = this;
 879             }
 880
 881             wxSetFocusToChild(parent, &m_winLastFocused);
 882         }
 883     }
 884     else // deactivating
 885     {
 886         // remember the last focused child if it is our child
 887         m_winLastFocused = FindFocus();
 888
 889         if ( m_winLastFocused )
 890         {
 891             // let it know that it doesn't have focus any more
 892             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 893
 894             // and don't remember it if it's a child from some other frame
 895             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 896             {
 897                 m_winLastFocused = NULL;
 898             }
 899         }
 900
 901         wxLogTrace(_T("focus"),
 902                    _T("wxTLW %08x deactivated, last focused: %08x."),
 903                    (int) m_hWnd,
 904                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 905                                            : NULL));
 906
 907         event.Skip();
 908     }
 909 }
 910
 911 // the DialogProc for all wxWindows dialogs
 912 LONG APIENTRY _EXPORT
 913 wxDlgProc(HWND WXUNUSED(hDlg),
 914           UINT message,
 915           WPARAM WXUNUSED(wParam),
 916           LPARAM WXUNUSED(lParam))
 917 {
 918     switch ( message )
 919     {
 920         case WM_INITDIALOG:
 921             // for this message, returning TRUE tells system to set focus to
 922             // the first control in the dialog box, but as we set the focus
 923             // ourselves, we return FALSE from here as well, so fall through
 924
 925         default:
 926             // for all the other ones, FALSE means that we didn't process the
 927             // message
 928             return FALSE;
 929     }
 930 }
 931
 932 // ============================================================================
 933 // wxTLWHiddenParentModule implementation
 934 // ============================================================================
 935
 936 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 937
 938 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 939
 940 bool wxTLWHiddenParentModule::OnInit()
 941 {
 942     ms_hwnd = NULL;
 943     ms_className = NULL;
 944
 945     return TRUE;
 946 }
 947
 948 void wxTLWHiddenParentModule::OnExit()
 949 {
 950     if ( ms_hwnd )
 951     {
 952         if ( !::DestroyWindow(ms_hwnd) )
 953         {
 954             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 955         }
 956
 957         ms_hwnd = NULL;
 958     }
 959
 960     if ( ms_className )
 961     {
 962         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 963         {
 964             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 965         }
 966
 967         ms_className = NULL;
 968     }
 969 }
 970
 971 /* static */
 972 HWND wxTLWHiddenParentModule::GetHWND()
 973 {
 974     if ( !ms_hwnd )
 975     {
 976         if ( !ms_className )
 977         {
 978             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 979
 980             WNDCLASS wndclass;
 981             wxZeroMemory(wndclass);
 982
 983             wndclass.lpfnWndProc   = DefWindowProc;
 984             wndclass.hInstance     = wxGetInstance();
 985             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 986
 987             if ( !::RegisterClass(&wndclass) )
 988             {
 989                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 990             }
 991             else
 992             {
 993                 ms_className = HIDDEN_PARENT_CLASS;
 994             }
 995         }
 996
 997         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
 998                                  (HMENU)NULL, wxGetInstance(), NULL);
 999         if ( !ms_hwnd )
1000         {
1001             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1002         }
1003     }
1004
1005     return ms_hwnd;
1006 }
1007
1008