src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/dialog.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/frame.h"
  39     #include "wx/containr.h"        // wxSetFocusToChild()
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/module.h"
  43
  44 #include "wx/msw/private.h"
  45 #if defined(__WXWINCE__)
  46   #include <ole2.h>
  47   #include <shellapi.h>
  48   #if _WIN32_WCE < 400
  49     #include <aygshell.h>
  50   #endif
  51 #include "wx/msw/wince/missing.h"
  52 #endif
  53
  54 #include "wx/msw/missing.h"
  55 #include "wx/msw/winundef.h"
  56
  57 #include "wx/display.h"
  58
  59 #ifndef ICON_BIG
  60     #define ICON_BIG 1
  61 #endif
  62
  63 #ifndef ICON_SMALL
  64     #define ICON_SMALL 0
  65 #endif
  66
  67 // ----------------------------------------------------------------------------
  68 // stubs for missing functions under MicroWindows
  69 // ----------------------------------------------------------------------------
  70
  71 #ifdef __WXMICROWIN__
  72
  73 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  74 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  75
  76 #endif // __WXMICROWIN__
  77
  78 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  79 //     is not included by wxUniv build which does need wxDlgProc
  80 LONG APIENTRY _EXPORT
  81 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  82
  83 // ----------------------------------------------------------------------------
  84 // globals
  85 // ----------------------------------------------------------------------------
  86
  87 // list of all frames and modeless dialogs
  88 wxWindowList wxModelessWindows;
  89
  90 // the name of the default wxWindows class
  91 extern const wxChar *wxCanvasClassName;
  92
  93 // ----------------------------------------------------------------------------
  94 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  95 // module to ensure that the window is always deleted)
  96 // ----------------------------------------------------------------------------
  97
  98 class wxTLWHiddenParentModule : public wxModule
  99 {
 100 public:
 101     // module init/finalize
 102     virtual bool OnInit();
 103     virtual void OnExit();
 104
 105     // get the hidden window (creates on demand)
 106     static HWND GetHWND();
 107
 108 private:
 109     // the HWND of the hidden parent
 110     static HWND ms_hwnd;
 111
 112     // the class used to create it
 113     static const wxChar *ms_className;
 114
 115     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 116 };
 117
 118 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 119
 120 // ============================================================================
 121 // wxTopLevelWindowMSW implementation
 122 // ============================================================================
 123
 124 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 125     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 126 END_EVENT_TABLE()
 127
 128 // ----------------------------------------------------------------------------
 129 // wxTopLevelWindowMSW creation
 130 // ----------------------------------------------------------------------------
 131
 132 void wxTopLevelWindowMSW::Init()
 133 {
 134     m_iconized =
 135     m_maximizeOnShow = FALSE;
 136
 137     // Data to save/restore when calling ShowFullScreen
 138     m_fsStyle = 0;
 139     m_fsOldWindowStyle = 0;
 140     m_fsIsMaximized = FALSE;
 141     m_fsIsShowing = FALSE;
 142
 143     m_winLastFocused = (wxWindow *)NULL;
 144 }
 145
 146 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 147 {
 148     // let the base class deal with the common styles but fix the ones which
 149     // don't make sense for us (we also deal with the borders ourselves)
 150     WXDWORD msflags = wxWindow::MSWGetStyle
 151                       (
 152                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 153                       ) & ~WS_CHILD & ~WS_VISIBLE;
 154
 155     // first select the kind of window being created
 156     //
 157     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 158     // creates a window with both caption and border, hence we also test it
 159     // below in some other cases
 160     if ( style & wxFRAME_TOOL_WINDOW )
 161     {
 162         msflags |= WS_POPUP;
 163     }
 164     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 165
 166     // border and caption styles
 167     if ( style & wxRESIZE_BORDER )
 168         msflags |= WS_THICKFRAME;
 169     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 170         *exflags |= WS_EX_DLGMODALFRAME;
 171     else if ( !(style & wxBORDER_NONE) )
 172         msflags |= WS_BORDER;
 173     else
 174         msflags |= WS_POPUP;
 175
 176     // normally we consider that all windows without caption must be popups,
 177     // but CE is an exception: there windows normally do not have the caption
 178     // but shouldn't be made popups as popups can't have menus and don't look
 179     // like normal windows anyhow
 180     if ( style & wxCAPTION )
 181         msflags |= WS_CAPTION;
 182 #ifndef __WXWINCE__
 183     else
 184         msflags |= WS_POPUP;
 185 #endif // !__WXWINCE__
 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
 195     // NB: under CE these 2 styles are not supported currently, we should
 196     //     call Minimize()/Maximize() "manually" if we want to support them
 197     if ( style & wxMINIMIZE )
 198         msflags |= WS_MINIMIZE;
 199     if ( style & wxMAXIMIZE )
 200         msflags |= WS_MAXIMIZE;
 201
 202     // Keep this here because it saves recoding this function in wxTinyFrame
 203     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 204         msflags |= WS_CAPTION;
 205
 206     if ( exflags )
 207     {
 208         // there is no taskbar under CE, so omit all this
 209 #ifndef __WXWINCE__
 210         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 211         {
 212             if ( style & wxFRAME_TOOL_WINDOW )
 213             {
 214                 // create the palette-like window
 215                 *exflags |= WS_EX_TOOLWINDOW;
 216
 217                 // tool windows shouldn't appear on the taskbar (as documented)
 218                 style |= wxFRAME_NO_TASKBAR;
 219             }
 220
 221             // We have to solve 2 different problems here:
 222             //
 223             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 224             //    taskbar even if they don't have a parent
 225             //
 226             // 2. frames without this style should appear in the taskbar even
 227             //    if they're owned (Windows only puts non owned windows into
 228             //    the taskbar normally)
 229             //
 230             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 231             // first one is dealt with in our MSWGetParent() method
 232             // implementation
 233             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 234             {
 235                 // need to force the frame to appear in the taskbar
 236                 *exflags |= WS_EX_APPWINDOW;
 237             }
 238             //else: nothing to do [here]
 239         }
 240 #endif // !__WXWINCE__
 241
 242         if ( style & wxSTAY_ON_TOP )
 243             *exflags |= WS_EX_TOPMOST;
 244
 245         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 246             *exflags |= WS_EX_CONTEXTHELP;
 247     }
 248
 249     return msflags;
 250 }
 251
 252 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 253 {
 254     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 255     // parent HWND or it would be always on top of its parent which is not what
 256     // we usually want (in fact, we only want it for frames with the
 257     // wxFRAME_FLOAT_ON_PARENT flag)
 258     HWND hwndParent = NULL;
 259     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 260     {
 261         const wxWindow *parent = GetParent();
 262
 263         if ( !parent )
 264         {
 265             // this flag doesn't make sense then and will be ignored
 266             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 267         }
 268         else
 269         {
 270             hwndParent = GetHwndOf(parent);
 271         }
 272     }
 273     //else: don't float on parent, must not be owned
 274
 275     // now deal with the 2nd taskbar-related problem (see comments above in
 276     // MSWGetStyle())
 277     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 278     {
 279         // use hidden parent
 280         hwndParent = wxTLWHiddenParentModule::GetHWND();
 281     }
 282
 283     return (WXHWND)hwndParent;
 284 }
 285
 286 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 287                                        const wxString& title,
 288                                        const wxPoint& pos,
 289                                        const wxSize& size)
 290 {
 291 #ifdef __WXMICROWIN__
 292     // no dialogs support under MicroWin yet
 293     return CreateFrame(title, pos, size);
 294 #else // !__WXMICROWIN__
 295     wxWindow *parent = GetParent();
 296
 297     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 298     // app window as parent - this avoids creating modal dialogs without
 299     // parent
 300     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 301     {
 302         parent = wxTheApp->GetTopWindow();
 303
 304         if ( parent )
 305         {
 306             // don't use transient windows as parents, this is dangerous as it
 307             // can lead to a crash if the parent is destroyed before the child
 308             //
 309             // also don't use the window which is currently hidden as then the
 310             // dialog would be hidden as well
 311             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 312                     !parent->IsShown() )
 313             {
 314                 parent = NULL;
 315             }
 316         }
 317     }
 318
 319     m_hWnd = (WXHWND)::CreateDialogIndirect
 320                        (
 321                         wxGetInstance(),
 322                         (DLGTEMPLATE*)dlgTemplate,
 323                         parent ? GetHwndOf(parent) : NULL,
 324                         (DLGPROC)wxDlgProc
 325                        );
 326
 327     if ( !m_hWnd )
 328     {
 329         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 330
 331         wxLogSysError(wxT("Can't create dialog using memory template"));
 332
 333         return FALSE;
 334     }
 335
 336     WXDWORD exflags;
 337     (void)MSWGetCreateWindowFlags(&exflags);
 338
 339     if ( exflags )
 340     {
 341         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 342         ::SetWindowPos(GetHwnd(),
 343                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 344                        0, 0, 0, 0,
 345                        SWP_NOSIZE |
 346                        SWP_NOMOVE |
 347                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 348                        SWP_NOACTIVATE);
 349     }
 350
 351 #if defined(__WIN95__)
 352     // For some reason, the system menu is activated when we use the
 353     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 354     if ( exflags & WS_EX_CONTEXTHELP )
 355     {
 356         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 357         if ( winTop )
 358         {
 359             wxIcon icon = winTop->GetIcon();
 360             if ( icon.Ok() )
 361             {
 362                 ::SendMessage(GetHwnd(), WM_SETICON,
 363                               (WPARAM)TRUE,
 364                               (LPARAM)GetHiconOf(icon));
 365             }
 366         }
 367     }
 368 #endif // __WIN95__
 369
 370     // move the dialog to its initial position without forcing repainting
 371     int x, y, w, h;
 372     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 373
 374     if ( x == (int)CW_USEDEFAULT )
 375     {
 376         // centre it on the screen - what else can we do?
 377         wxSize sizeDpy = wxGetDisplaySize();
 378
 379         x = (sizeDpy.x - w) / 2;
 380         y = (sizeDpy.y - h) / 2;
 381     }
 382
 383     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 384     {
 385         wxLogLastError(wxT("MoveWindow"));
 386     }
 387
 388     if ( !title.empty() )
 389     {
 390         ::SetWindowText(GetHwnd(), title);
 391     }
 392
 393     SubclassWin(m_hWnd);
 394
 395     return TRUE;
 396 #endif // __WXMICROWIN__/!__WXMICROWIN__
 397 }
 398
 399 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 400                                       const wxPoint& pos,
 401                                       const wxSize& size)
 402 {
 403     WXDWORD exflags;
 404     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 405
 406     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 407 }
 408
 409 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 410                                  wxWindowID id,
 411                                  const wxString& title,
 412                                  const wxPoint& pos,
 413                                  const wxSize& size,
 414                                  long style,
 415                                  const wxString& name)
 416 {
 417     bool ret wxDUMMY_INITIALIZE(false);
 418
 419     // init our fields
 420     Init();
 421
 422     wxSize sizeReal = size;
 423     if ( !sizeReal.IsFullySpecified() )
 424     {
 425         sizeReal.SetDefaults(GetDefaultSize());
 426     }
 427
 428     m_windowStyle = style;
 429
 430     SetName(name);
 431
 432     m_windowId = id == -1 ? NewControlId() : id;
 433
 434     wxTopLevelWindows.Append(this);
 435
 436     if ( parent )
 437         parent->AddChild(this);
 438
 439     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 440     {
 441         // we have different dialog templates to allows creation of dialogs
 442         // with & without captions under MSWindows, resizeable or not (but a
 443         // resizeable dialog always has caption - otherwise it would look too
 444         // strange)
 445
 446         // we need 3 additional WORDs for dialog menu, class and title (as we
 447         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 448         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 449         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 450         memset(dlgTemplate, 0, dlgsize);
 451
 452         // these values are arbitrary, they won't be used normally anyhow
 453         dlgTemplate->x  = 34;
 454         dlgTemplate->y  = 22;
 455         dlgTemplate->cx = 144;
 456         dlgTemplate->cy = 75;
 457
 458         // reuse the code in MSWGetStyle() but correct the results slightly for
 459         // the dialog
 460         dlgTemplate->style = MSWGetStyle(style, NULL);
 461
 462         // all dialogs are popups
 463         dlgTemplate->style |= WS_POPUP;
 464
 465         // force 3D-look if necessary, it looks impossibly ugly otherwise
 466         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 467             dlgTemplate->style |= DS_MODALFRAME;
 468
 469         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 470         free(dlgTemplate);
 471     }
 472     else // !dialog
 473     {
 474         ret = CreateFrame(title, pos, sizeReal);
 475     }
 476
 477     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 478     {
 479         EnableCloseButton(false);
 480     }
 481
 482     // for some reason we need to manually send ourselves this message as
 483     // otherwise the mnemonics are always shown -- even if they're configured
 484     // to be hidden until "Alt" is pressed in the control panel
 485     //
 486     // this could indicate a bug somewhere else but for now this is the only
 487     // fix we have
 488     if ( ret )
 489     {
 490         SendMessage
 491         (
 492             GetHwnd(),
 493             WM_UPDATEUISTATE,
 494             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 495             0
 496         );
 497     }
 498
 499     return ret;
 500 }
 501
 502 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 503 {
 504     if ( wxModelessWindows.Find(this) )
 505         wxModelessWindows.DeleteObject(this);
 506
 507     // after destroying an owned window, Windows activates the next top level
 508     // window in Z order but it may be different from our owner (to reproduce
 509     // this simply Alt-TAB to another application and back before closing the
 510     // owned frame) whereas we always want to yield activation to our parent
 511     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 512     {
 513         wxWindow *parent = GetParent();
 514         if ( parent )
 515         {
 516             ::BringWindowToTop(GetHwndOf(parent));
 517         }
 518     }
 519 }
 520
 521 // ----------------------------------------------------------------------------
 522 // wxTopLevelWindowMSW showing
 523 // ----------------------------------------------------------------------------
 524
 525 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 526 {
 527     ::ShowWindow(GetHwnd(), nShowCmd);
 528
 529     m_iconized = nShowCmd == SW_MINIMIZE;
 530 }
 531
 532 bool wxTopLevelWindowMSW::Show(bool show)
 533 {
 534     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 535     if ( !wxWindowBase::Show(show) )
 536         return FALSE;
 537
 538     int nShowCmd;
 539     if ( show )
 540     {
 541         if ( m_maximizeOnShow )
 542         {
 543             // show and maximize
 544             nShowCmd = SW_MAXIMIZE;
 545
 546             m_maximizeOnShow = FALSE;
 547         }
 548         else // just show
 549         {
 550            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 551                nShowCmd = SW_SHOWNA;
 552            else
 553                nShowCmd = SW_SHOW;
 554         }
 555     }
 556     else // hide
 557     {
 558         nShowCmd = SW_HIDE;
 559     }
 560
 561     DoShowWindow(nShowCmd);
 562
 563     if ( show )
 564     {
 565         ::BringWindowToTop(GetHwnd());
 566
 567         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 568         event.SetEventObject( this );
 569         GetEventHandler()->ProcessEvent(event);
 570     }
 571     else // hide
 572     {
 573         // Try to highlight the correct window (the parent)
 574         if ( GetParent() )
 575         {
 576             HWND hWndParent = GetHwndOf(GetParent());
 577             if (hWndParent)
 578                 ::BringWindowToTop(hWndParent);
 579         }
 580     }
 581
 582     return TRUE;
 583 }
 584
 585 // ----------------------------------------------------------------------------
 586 // wxTopLevelWindowMSW maximize/minimize
 587 // ----------------------------------------------------------------------------
 588
 589 void wxTopLevelWindowMSW::Maximize(bool maximize)
 590 {
 591     if ( IsShown() )
 592     {
 593         // just maximize it directly
 594         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 595     }
 596     else // hidden
 597     {
 598         // we can't maximize the hidden frame because it shows it as well, so
 599         // just remember that we should do it later in this case
 600         m_maximizeOnShow = maximize;
 601     }
 602 }
 603
 604 bool wxTopLevelWindowMSW::IsMaximized() const
 605 {
 606 #ifdef __WXWINCE__
 607     return FALSE;
 608 #else
 609     return ::IsZoomed(GetHwnd()) != 0;
 610 #endif
 611 }
 612
 613 void wxTopLevelWindowMSW::Iconize(bool iconize)
 614 {
 615     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 616 }
 617
 618 bool wxTopLevelWindowMSW::IsIconized() const
 619 {
 620 #ifdef __WXWINCE__
 621     return FALSE;
 622 #else
 623     // also update the current state
 624     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 625
 626     return m_iconized;
 627 #endif
 628 }
 629
 630 void wxTopLevelWindowMSW::Restore()
 631 {
 632     DoShowWindow(SW_RESTORE);
 633 }
 634
 635 // ----------------------------------------------------------------------------
 636 // wxTopLevelWindowMSW fullscreen
 637 // ----------------------------------------------------------------------------
 638
 639 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 640 {
 641     if ( show == IsFullScreen() )
 642     {
 643         // nothing to do
 644         return TRUE;
 645     }
 646
 647     m_fsIsShowing = show;
 648
 649     if ( show )
 650     {
 651         m_fsStyle = style;
 652
 653         // zap the frame borders
 654
 655         // save the 'normal' window style
 656         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 657
 658         // save the old position, width & height, maximize state
 659         m_fsOldSize = GetRect();
 660         m_fsIsMaximized = IsMaximized();
 661
 662         // decide which window style flags to turn off
 663         LONG newStyle = m_fsOldWindowStyle;
 664         LONG offFlags = 0;
 665
 666         if (style & wxFULLSCREEN_NOBORDER)
 667         {
 668             offFlags |= WS_BORDER;
 669 #ifndef __WXWINCE__
 670             offFlags |= WS_THICKFRAME;
 671 #endif
 672         }
 673         if (style & wxFULLSCREEN_NOCAPTION)
 674             offFlags |= WS_CAPTION | WS_SYSMENU;
 675
 676         newStyle &= ~offFlags;
 677
 678         // change our window style to be compatible with full-screen mode
 679         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 680
 681         wxRect rect;
 682 #if wxUSE_DISPLAY
 683         // resize to the size of the display containing us
 684         int dpy = wxDisplay::GetFromWindow(this);
 685         if ( dpy != wxNOT_FOUND )
 686         {
 687             rect = wxDisplay(dpy).GetGeometry();
 688         }
 689         else // fall back to the main desktop
 690 #else // wxUSE_DISPLAY
 691         {
 692             // resize to the size of the desktop
 693             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 694 #ifdef __WXWINCE__
 695             // FIXME: size of the bottom menu (toolbar)
 696             // should be taken in account
 697             rect.height += rect.y;
 698             rect.y       = 0;
 699 #endif
 700         }
 701 #endif // wxUSE_DISPLAY
 702
 703         SetSize(rect);
 704
 705         // now flush the window style cache and actually go full-screen
 706         long flags = SWP_FRAMECHANGED;
 707
 708         // showing the frame full screen should also show it if it's still
 709         // hidden
 710         if ( !IsShown() )
 711         {
 712             // don't call wxWindow version to avoid flicker from calling
 713             // ::ShowWindow() -- we're going to show the window at the correct
 714             // location directly below -- but do call the wxWindowBase version
 715             // to sync the internal m_isShown flag
 716             wxWindowBase::Show();
 717
 718             flags |= SWP_SHOWWINDOW;
 719         }
 720
 721         SetWindowPos(GetHwnd(), HWND_TOP,
 722                      rect.x, rect.y, rect.width, rect.height,
 723                      flags);
 724
 725 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 726         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 727 #endif
 728
 729         // finally send an event allowing the window to relayout itself &c
 730         wxSizeEvent event(rect.GetSize(), GetId());
 731         GetEventHandler()->ProcessEvent(event);
 732     }
 733     else // stop showing full screen
 734     {
 735 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 736         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 737 #endif
 738         Maximize(m_fsIsMaximized);
 739         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 740         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 741             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 742     }
 743
 744     return TRUE;
 745 }
 746
 747 // ----------------------------------------------------------------------------
 748 // wxTopLevelWindowMSW misc
 749 // ----------------------------------------------------------------------------
 750
 751 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 752 {
 753     SetIcons( wxIconBundle( icon ) );
 754 }
 755
 756 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 757 {
 758     wxTopLevelWindowBase::SetIcons(icons);
 759
 760 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 761     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 762     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 763     {
 764         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 765                        (LPARAM)GetHiconOf(sml) );
 766     }
 767
 768     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 769     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 770     {
 771         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 772                        (LPARAM)GetHiconOf(big) );
 773     }
 774 #endif // __WIN95__
 775 }
 776
 777 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 778 {
 779 #if !defined(__WXMICROWIN__)
 780     // get system (a.k.a. window) menu
 781     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 782     if ( !hmenu )
 783     {
 784         // no system menu at all -- ok if we want to remove the close button
 785         // anyhow, but bad if we want to show it
 786         return !enable;
 787     }
 788
 789     // enabling/disabling the close item from it also automatically
 790     // disables/enables the close title bar button
 791     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 792                           MF_BYCOMMAND |
 793                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 794     {
 795         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 796
 797         return FALSE;
 798     }
 799
 800     // update appearance immediately
 801     if ( !::DrawMenuBar(GetHwnd()) )
 802     {
 803         wxLogLastError(_T("DrawMenuBar"));
 804     }
 805 #endif // !__WXMICROWIN__
 806
 807     return TRUE;
 808 }
 809
 810 #ifndef __WXWINCE__
 811
 812 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 813 {
 814     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 815                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 816
 817     // The empty region signifies that the shape should be removed from the
 818     // window.
 819     if ( region.IsEmpty() )
 820     {
 821         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 822         {
 823             wxLogLastError(_T("SetWindowRgn"));
 824             return FALSE;
 825         }
 826         return TRUE;
 827     }
 828
 829     // Windows takes ownership of the region, so
 830     // we'll have to make a copy of the region to give to it.
 831     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 832     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 833     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 834     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 835     delete[] (char*) rgnData;
 836
 837     // SetWindowRgn expects the region to be in coordinants
 838     // relative to the window, not the client area.  Figure
 839     // out the offset, if any.
 840     RECT rect;
 841     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 842     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 843     ::GetClientRect(GetHwnd(), &rect);
 844     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 845     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 846
 847     // Now call the shape API with the new region.
 848     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 849     {
 850         wxLogLastError(_T("SetWindowRgn"));
 851         return FALSE;
 852     }
 853     return TRUE;
 854 }
 855
 856 #endif // !__WXWINCE__
 857
 858 // ----------------------------------------------------------------------------
 859 // wxTopLevelWindow event handling
 860 // ----------------------------------------------------------------------------
 861
 862 // Default activation behaviour - set the focus for the first child
 863 // subwindow found.
 864 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 865 {
 866     if ( event.GetActive() )
 867     {
 868         // restore focus to the child which was last focused unless we already
 869         // have it
 870         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 871
 872         wxWindow *winFocus = FindFocus();
 873         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 874         {
 875             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 876                                                 : NULL;
 877             if ( !parent )
 878             {
 879                 parent = this;
 880             }
 881
 882             wxSetFocusToChild(parent, &m_winLastFocused);
 883         }
 884     }
 885     else // deactivating
 886     {
 887         // remember the last focused child if it is our child
 888         m_winLastFocused = FindFocus();
 889
 890         if ( m_winLastFocused )
 891         {
 892             // let it know that it doesn't have focus any more
 893             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 894
 895             // and don't remember it if it's a child from some other frame
 896             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 897             {
 898                 m_winLastFocused = NULL;
 899             }
 900         }
 901
 902         wxLogTrace(_T("focus"),
 903                    _T("wxTLW %08x deactivated, last focused: %08x."),
 904                    (int) m_hWnd,
 905                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 906                                            : NULL));
 907
 908         event.Skip();
 909     }
 910 }
 911
 912 // the DialogProc for all wxWindows dialogs
 913 LONG APIENTRY _EXPORT
 914 wxDlgProc(HWND WXUNUSED(hDlg),
 915           UINT message,
 916           WPARAM WXUNUSED(wParam),
 917           LPARAM WXUNUSED(lParam))
 918 {
 919     switch ( message )
 920     {
 921         case WM_INITDIALOG:
 922             // for this message, returning TRUE tells system to set focus to
 923             // the first control in the dialog box, but as we set the focus
 924             // ourselves, we return FALSE from here as well, so fall through
 925
 926         default:
 927             // for all the other ones, FALSE means that we didn't process the
 928             // message
 929             return FALSE;
 930     }
 931 }
 932
 933 // ============================================================================
 934 // wxTLWHiddenParentModule implementation
 935 // ============================================================================
 936
 937 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 938
 939 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 940
 941 bool wxTLWHiddenParentModule::OnInit()
 942 {
 943     ms_hwnd = NULL;
 944     ms_className = NULL;
 945
 946     return TRUE;
 947 }
 948
 949 void wxTLWHiddenParentModule::OnExit()
 950 {
 951     if ( ms_hwnd )
 952     {
 953         if ( !::DestroyWindow(ms_hwnd) )
 954         {
 955             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 956         }
 957
 958         ms_hwnd = NULL;
 959     }
 960
 961     if ( ms_className )
 962     {
 963         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 964         {
 965             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 966         }
 967
 968         ms_className = NULL;
 969     }
 970 }
 971
 972 /* static */
 973 HWND wxTLWHiddenParentModule::GetHWND()
 974 {
 975     if ( !ms_hwnd )
 976     {
 977         if ( !ms_className )
 978         {
 979             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 980
 981             WNDCLASS wndclass;
 982             wxZeroMemory(wndclass);
 983
 984             wndclass.lpfnWndProc   = DefWindowProc;
 985             wndclass.hInstance     = wxGetInstance();
 986             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
 987
 988             if ( !::RegisterClass(&wndclass) )
 989             {
 990                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
 991             }
 992             else
 993             {
 994                 ms_className = HIDDEN_PARENT_CLASS;
 995             }
 996         }
 997
 998         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
 999                                  (HMENU)NULL, wxGetInstance(), NULL);
1000         if ( !ms_hwnd )
1001         {
1002             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1003         }
1004     }
1005
1006     return ms_hwnd;
1007 }
1008
1009