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 // This can't be undefed in winundef.h or
  57 // there are further errors
  58 #if defined(__WXWINCE__) && defined(CreateDialog)
  59 #undef CreateDialog
  60 #endif
  61
  62 #include "wx/display.h"
  63
  64 #ifndef ICON_BIG
  65     #define ICON_BIG 1
  66 #endif
  67
  68 #ifndef ICON_SMALL
  69     #define ICON_SMALL 0
  70 #endif
  71
  72 // ----------------------------------------------------------------------------
  73 // stubs for missing functions under MicroWindows
  74 // ----------------------------------------------------------------------------
  75
  76 #ifdef __WXMICROWIN__
  77
  78 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  79 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  80
  81 #endif // __WXMICROWIN__
  82
  83 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  84 //     is not included by wxUniv build which does need wxDlgProc
  85 LONG APIENTRY _EXPORT
  86 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  87
  88 // ----------------------------------------------------------------------------
  89 // globals
  90 // ----------------------------------------------------------------------------
  91
  92 // list of all frames and modeless dialogs
  93 wxWindowList wxModelessWindows;
  94
  95 // the name of the default wxWindows class
  96 extern const wxChar *wxCanvasClassName;
  97
  98 // ----------------------------------------------------------------------------
  99 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
 100 // module to ensure that the window is always deleted)
 101 // ----------------------------------------------------------------------------
 102
 103 class wxTLWHiddenParentModule : public wxModule
 104 {
 105 public:
 106     // module init/finalize
 107     virtual bool OnInit();
 108     virtual void OnExit();
 109
 110     // get the hidden window (creates on demand)
 111     static HWND GetHWND();
 112
 113 private:
 114     // the HWND of the hidden parent
 115     static HWND ms_hwnd;
 116
 117     // the class used to create it
 118     static const wxChar *ms_className;
 119
 120     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 121 };
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 124
 125 // ============================================================================
 126 // wxTopLevelWindowMSW implementation
 127 // ============================================================================
 128
 129 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 130     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 131 END_EVENT_TABLE()
 132
 133 // ----------------------------------------------------------------------------
 134 // wxTopLevelWindowMSW creation
 135 // ----------------------------------------------------------------------------
 136
 137 void wxTopLevelWindowMSW::Init()
 138 {
 139     m_iconized =
 140     m_maximizeOnShow = FALSE;
 141
 142     // Data to save/restore when calling ShowFullScreen
 143     m_fsStyle = 0;
 144     m_fsOldWindowStyle = 0;
 145     m_fsIsMaximized = FALSE;
 146     m_fsIsShowing = FALSE;
 147
 148     m_winLastFocused = (wxWindow *)NULL;
 149 }
 150
 151 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 152 {
 153     // let the base class deal with the common styles but fix the ones which
 154     // don't make sense for us (we also deal with the borders ourselves)
 155     WXDWORD msflags = wxWindow::MSWGetStyle
 156                       (
 157                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 158                       ) & ~WS_CHILD & ~WS_VISIBLE;
 159
 160     // first select the kind of window being created
 161     //
 162     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 163     // creates a window with both caption and border, hence we also test it
 164     // below in some other cases
 165     if ( style & wxFRAME_TOOL_WINDOW )
 166         msflags |= WS_POPUP;
 167     else
 168     {
 169 #ifdef __WXWINCE__
 170         if (msflags & WS_BORDER)
 171 #endif
 172             msflags |= WS_OVERLAPPED;
 173     }
 174
 175     // border and caption styles
 176     if ( style & wxRESIZE_BORDER )
 177     {
 178 #ifndef __WXWINCE__
 179         msflags |= WS_THICKFRAME;
 180 #endif
 181     }
 182     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 183         *exflags |= WS_EX_DLGMODALFRAME;
 184     else if ( !(style & wxBORDER_NONE) )
 185         msflags |= WS_BORDER;
 186 #ifndef __WXWINCE__
 187     else
 188         msflags |= WS_POPUP;
 189 #endif
 190
 191     if ( style & wxCAPTION )
 192         msflags |= WS_CAPTION;
 193 #ifndef __WXWINCE__
 194     else
 195         msflags |= WS_POPUP;
 196 #endif
 197
 198     // next translate the individual flags
 199     if ( style & wxMINIMIZE_BOX )
 200         msflags |= WS_MINIMIZEBOX;
 201     if ( style & wxMAXIMIZE_BOX )
 202         msflags |= WS_MAXIMIZEBOX;
 203     if ( style & wxSYSTEM_MENU )
 204         msflags |= WS_SYSMENU;
 205 #ifndef __WXWINCE__
 206     if ( style & wxMINIMIZE )
 207         msflags |= WS_MINIMIZE;
 208     if ( style & wxMAXIMIZE )
 209         msflags |= WS_MAXIMIZE;
 210 #endif
 211
 212     // Keep this here because it saves recoding this function in wxTinyFrame
 213 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 214     if ( style & wxTINY_CAPTION_VERT )
 215         msflags |= IBS_VERTCAPTION;
 216     if ( style & wxTINY_CAPTION_HORIZ )
 217         msflags |= IBS_HORZCAPTION;
 218 #else
 219     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 220         msflags |= WS_CAPTION;
 221 #endif
 222
 223     if ( exflags )
 224     {
 225 #if !defined(__WIN16__)
 226         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 227         {
 228             if ( style & wxFRAME_TOOL_WINDOW )
 229             {
 230                 // create the palette-like window
 231                 *exflags |= WS_EX_TOOLWINDOW;
 232
 233                 // tool windows shouldn't appear on the taskbar (as documented)
 234                 style |= wxFRAME_NO_TASKBAR;
 235             }
 236
 237             // We have to solve 2 different problems here:
 238             //
 239             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 240             //    taskbar even if they don't have a parent
 241             //
 242             // 2. frames without this style should appear in the taskbar even
 243             //    if they're owned (Windows only puts non owned windows into
 244             //    the taskbar normally)
 245             //
 246             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 247             // first one is dealt with in our MSWGetParent() method
 248             // implementation
 249 #ifndef __WXWINCE__
 250             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 251             {
 252                 // need to force the frame to appear in the taskbar
 253                 *exflags |= WS_EX_APPWINDOW;
 254             }
 255 #endif
 256             //else: nothing to do [here]
 257         }
 258 #endif // !Win16
 259
 260         if ( style & wxSTAY_ON_TOP )
 261             *exflags |= WS_EX_TOPMOST;
 262
 263 #ifdef __WIN32__
 264         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 265             *exflags |= WS_EX_CONTEXTHELP;
 266 #endif // __WIN32__
 267     }
 268
 269     return msflags;
 270 }
 271
 272 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 273 {
 274     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 275     // parent HWND or it would be always on top of its parent which is not what
 276     // we usually want (in fact, we only want it for frames with the
 277     // wxFRAME_FLOAT_ON_PARENT flag)
 278     HWND hwndParent = NULL;
 279     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 280     {
 281         const wxWindow *parent = GetParent();
 282
 283         if ( !parent )
 284         {
 285             // this flag doesn't make sense then and will be ignored
 286             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 287         }
 288         else
 289         {
 290             hwndParent = GetHwndOf(parent);
 291         }
 292     }
 293     //else: don't float on parent, must not be owned
 294
 295     // now deal with the 2nd taskbar-related problem (see comments above in
 296     // MSWGetStyle())
 297     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 298     {
 299         // use hidden parent
 300         hwndParent = wxTLWHiddenParentModule::GetHWND();
 301     }
 302
 303     return (WXHWND)hwndParent;
 304 }
 305
 306 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 307                                        const wxString& title,
 308                                        const wxPoint& pos,
 309                                        const wxSize& size)
 310 {
 311 #ifdef __WXMICROWIN__
 312     // no dialogs support under MicroWin yet
 313     return CreateFrame(title, pos, size);
 314 #else // !__WXMICROWIN__
 315     wxWindow *parent = GetParent();
 316
 317     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 318     // app window as parent - this avoids creating modal dialogs without
 319     // parent
 320     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 321     {
 322         parent = wxTheApp->GetTopWindow();
 323
 324         if ( parent )
 325         {
 326             // don't use transient windows as parents, this is dangerous as it
 327             // can lead to a crash if the parent is destroyed before the child
 328             //
 329             // also don't use the window which is currently hidden as then the
 330             // dialog would be hidden as well
 331             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 332                     !parent->IsShown() )
 333             {
 334                 parent = NULL;
 335             }
 336         }
 337     }
 338
 339     m_hWnd = (WXHWND)::CreateDialogIndirect
 340                        (
 341                         wxGetInstance(),
 342                         (DLGTEMPLATE*)dlgTemplate,
 343                         parent ? GetHwndOf(parent) : NULL,
 344                         (DLGPROC)wxDlgProc
 345                        );
 346
 347     if ( !m_hWnd )
 348     {
 349         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 350
 351         wxLogSysError(wxT("Can't create dialog using memory template"));
 352
 353         return FALSE;
 354     }
 355
 356     WXDWORD exflags;
 357     (void)MSWGetCreateWindowFlags(&exflags);
 358
 359     if ( exflags )
 360     {
 361         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 362         ::SetWindowPos(GetHwnd(),
 363                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 364                        0, 0, 0, 0,
 365                        SWP_NOSIZE |
 366                        SWP_NOMOVE |
 367                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 368                        SWP_NOACTIVATE);
 369     }
 370
 371 #if defined(__WIN95__)
 372     // For some reason, the system menu is activated when we use the
 373     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 374     if ( exflags & WS_EX_CONTEXTHELP )
 375     {
 376         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 377         if ( winTop )
 378         {
 379             wxIcon icon = winTop->GetIcon();
 380             if ( icon.Ok() )
 381             {
 382                 ::SendMessage(GetHwnd(), WM_SETICON,
 383                               (WPARAM)TRUE,
 384                               (LPARAM)GetHiconOf(icon));
 385             }
 386         }
 387     }
 388 #endif // __WIN95__
 389
 390     // move the dialog to its initial position without forcing repainting
 391     int x, y, w, h;
 392     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 393
 394     if ( x == (int)CW_USEDEFAULT )
 395     {
 396         // centre it on the screen - what else can we do?
 397         wxSize sizeDpy = wxGetDisplaySize();
 398
 399         x = (sizeDpy.x - w) / 2;
 400         y = (sizeDpy.y - h) / 2;
 401     }
 402
 403     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 404     {
 405         wxLogLastError(wxT("MoveWindow"));
 406     }
 407
 408     if ( !title.empty() )
 409     {
 410         ::SetWindowText(GetHwnd(), title);
 411     }
 412
 413     SubclassWin(m_hWnd);
 414
 415     return TRUE;
 416 #endif // __WXMICROWIN__/!__WXMICROWIN__
 417 }
 418
 419 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 420                                       const wxPoint& pos,
 421                                       const wxSize& size)
 422 {
 423     WXDWORD exflags;
 424     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 425
 426     return MSWCreate(wxCanvasClassName, title, pos, size, flags, exflags);
 427 }
 428
 429 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 430                                  wxWindowID id,
 431                                  const wxString& title,
 432                                  const wxPoint& pos,
 433                                  const wxSize& size,
 434                                  long style,
 435                                  const wxString& name)
 436 {
 437     bool ret wxDUMMY_INITIALIZE(false);
 438     int w, h;
 439
 440     // init our fields
 441     Init();
 442     w = WidthDefault(size.x);
 443     h = HeightDefault(size.y);
 444
 445     m_windowStyle = style;
 446
 447     SetName(name);
 448
 449     m_windowId = id == -1 ? NewControlId() : id;
 450
 451     wxTopLevelWindows.Append(this);
 452
 453     if ( parent )
 454         parent->AddChild(this);
 455
 456     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 457     {
 458         // we have different dialog templates to allows creation of dialogs
 459         // with & without captions under MSWindows, resizeable or not (but a
 460         // resizeable dialog always has caption - otherwise it would look too
 461         // strange)
 462
 463         // we need 3 additional WORDs for dialog menu, class and title (as we
 464         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 465         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 466         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 467         memset(dlgTemplate, 0, dlgsize);
 468
 469         // these values are arbitrary, they won't be used normally anyhow
 470         dlgTemplate->x  = 34;
 471         dlgTemplate->y  = 22;
 472         dlgTemplate->cx = 144;
 473         dlgTemplate->cy = 75;
 474
 475         // reuse the code in MSWGetStyle() but correct the results slightly for
 476         // the dialog
 477         dlgTemplate->style = MSWGetStyle(style, NULL);
 478
 479         // all dialogs are popups
 480         dlgTemplate->style |= WS_POPUP;
 481
 482         // force 3D-look if necessary, it looks impossibly ugly otherwise
 483         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 484             dlgTemplate->style |= DS_MODALFRAME;
 485
 486         ret = CreateDialog(dlgTemplate, title, pos, wxSize(w,h));
 487         free(dlgTemplate);
 488     }
 489     else // !dialog
 490     {
 491         ret = CreateFrame(title, pos, wxSize(w,h));
 492     }
 493
 494     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 495     {
 496         EnableCloseButton(false);
 497     }
 498
 499     // for some reason we need to manually send ourselves this message as
 500     // otherwise the mnemonics are always shown -- even if they're configured
 501     // to be hidden until "Alt" is pressed in the control panel
 502     //
 503     // this could indicate a bug somewhere else but for now this is the only
 504     // fix we have
 505     if ( ret )
 506     {
 507         SendMessage
 508         (
 509             GetHwnd(),
 510             WM_UPDATEUISTATE,
 511             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 512             0
 513         );
 514     }
 515
 516     return ret;
 517 }
 518
 519 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 520 {
 521     if ( wxModelessWindows.Find(this) )
 522         wxModelessWindows.DeleteObject(this);
 523
 524     // after destroying an owned window, Windows activates the next top level
 525     // window in Z order but it may be different from our owner (to reproduce
 526     // this simply Alt-TAB to another application and back before closing the
 527     // owned frame) whereas we always want to yield activation to our parent
 528     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 529     {
 530         wxWindow *parent = GetParent();
 531         if ( parent )
 532         {
 533             ::BringWindowToTop(GetHwndOf(parent));
 534         }
 535     }
 536 }
 537
 538 // ----------------------------------------------------------------------------
 539 // wxTopLevelWindowMSW showing
 540 // ----------------------------------------------------------------------------
 541
 542 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 543 {
 544     ::ShowWindow(GetHwnd(), nShowCmd);
 545
 546     m_iconized = nShowCmd == SW_MINIMIZE;
 547 }
 548
 549 bool wxTopLevelWindowMSW::Show(bool show)
 550 {
 551     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 552     if ( !wxWindowBase::Show(show) )
 553         return FALSE;
 554
 555     int nShowCmd;
 556     if ( show )
 557     {
 558         if ( m_maximizeOnShow )
 559         {
 560             // show and maximize
 561             nShowCmd = SW_MAXIMIZE;
 562
 563             m_maximizeOnShow = FALSE;
 564         }
 565         else // just show
 566         {
 567            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 568                nShowCmd = SW_SHOWNA;
 569            else
 570                nShowCmd = SW_SHOW;
 571         }
 572     }
 573     else // hide
 574     {
 575         nShowCmd = SW_HIDE;
 576     }
 577
 578     DoShowWindow(nShowCmd);
 579
 580     if ( show )
 581     {
 582         ::BringWindowToTop(GetHwnd());
 583
 584         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 585         event.SetEventObject( this );
 586         GetEventHandler()->ProcessEvent(event);
 587     }
 588     else // hide
 589     {
 590         // Try to highlight the correct window (the parent)
 591         if ( GetParent() )
 592         {
 593             HWND hWndParent = GetHwndOf(GetParent());
 594             if (hWndParent)
 595                 ::BringWindowToTop(hWndParent);
 596         }
 597     }
 598
 599     return TRUE;
 600 }
 601
 602 // ----------------------------------------------------------------------------
 603 // wxTopLevelWindowMSW maximize/minimize
 604 // ----------------------------------------------------------------------------
 605
 606 void wxTopLevelWindowMSW::Maximize(bool maximize)
 607 {
 608     if ( IsShown() )
 609     {
 610         // just maximize it directly
 611         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 612     }
 613     else // hidden
 614     {
 615         // we can't maximize the hidden frame because it shows it as well, so
 616         // just remember that we should do it later in this case
 617         m_maximizeOnShow = maximize;
 618     }
 619 }
 620
 621 bool wxTopLevelWindowMSW::IsMaximized() const
 622 {
 623 #ifdef __WXWINCE__
 624     return FALSE;
 625 #else
 626     return ::IsZoomed(GetHwnd()) != 0;
 627 #endif
 628 }
 629
 630 void wxTopLevelWindowMSW::Iconize(bool iconize)
 631 {
 632     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 633 }
 634
 635 bool wxTopLevelWindowMSW::IsIconized() const
 636 {
 637 #ifdef __WXWINCE__
 638     return FALSE;
 639 #else
 640     // also update the current state
 641     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 642
 643     return m_iconized;
 644 #endif
 645 }
 646
 647 void wxTopLevelWindowMSW::Restore()
 648 {
 649     DoShowWindow(SW_RESTORE);
 650 }
 651
 652 // ----------------------------------------------------------------------------
 653 // wxTopLevelWindowMSW fullscreen
 654 // ----------------------------------------------------------------------------
 655
 656 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 657 {
 658     if ( show == IsFullScreen() )
 659     {
 660         // nothing to do
 661         return TRUE;
 662     }
 663
 664     m_fsIsShowing = show;
 665
 666     if ( show )
 667     {
 668         m_fsStyle = style;
 669
 670         // zap the frame borders
 671
 672         // save the 'normal' window style
 673         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 674
 675         // save the old position, width & height, maximize state
 676         m_fsOldSize = GetRect();
 677         m_fsIsMaximized = IsMaximized();
 678
 679         // decide which window style flags to turn off
 680         LONG newStyle = m_fsOldWindowStyle;
 681         LONG offFlags = 0;
 682
 683         if (style & wxFULLSCREEN_NOBORDER)
 684         {
 685             offFlags |= WS_BORDER;
 686 #ifndef __WXWINCE__
 687             offFlags |= WS_THICKFRAME;
 688 #endif
 689         }
 690         if (style & wxFULLSCREEN_NOCAPTION)
 691             offFlags |= WS_CAPTION | WS_SYSMENU;
 692
 693         newStyle &= ~offFlags;
 694
 695         // change our window style to be compatible with full-screen mode
 696         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 697
 698         wxRect rect;
 699 #if wxUSE_DISPLAY
 700         // resize to the size of the display containing us
 701         int dpy = wxDisplay::GetFromWindow(this);
 702         if ( dpy != wxNOT_FOUND )
 703         {
 704             rect = wxDisplay(dpy).GetGeometry();
 705         }
 706         else // fall back to the main desktop
 707 #else // wxUSE_DISPLAY
 708         {
 709             // resize to the size of the desktop
 710             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 711 #ifdef __WXWINCE__
 712             // FIXME: size of the bottom menu (toolbar)
 713             // should be taken in account
 714             rect.height += rect.y;
 715             rect.y       = 0;
 716 #endif
 717         }
 718 #endif // wxUSE_DISPLAY
 719
 720         SetSize(rect);
 721
 722         // now flush the window style cache and actually go full-screen
 723         long flags = SWP_FRAMECHANGED;
 724
 725         // showing the frame full screen should also show it if it's still
 726         // hidden
 727         if ( !IsShown() )
 728         {
 729             // don't call wxWindow version to avoid flicker from calling
 730             // ::ShowWindow() -- we're going to show the window at the correct
 731             // location directly below -- but do call the wxWindowBase version
 732             // to sync the internal m_isShown flag
 733             wxWindowBase::Show();
 734
 735             flags |= SWP_SHOWWINDOW;
 736         }
 737
 738         SetWindowPos(GetHwnd(), HWND_TOP,
 739                      rect.x, rect.y, rect.width, rect.height,
 740                      flags);
 741
 742 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 743         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 744 #endif
 745
 746         // finally send an event allowing the window to relayout itself &c
 747         wxSizeEvent event(rect.GetSize(), GetId());
 748         GetEventHandler()->ProcessEvent(event);
 749     }
 750     else // stop showing full screen
 751     {
 752 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 753         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 754 #endif
 755         Maximize(m_fsIsMaximized);
 756         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 757         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 758             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 759     }
 760
 761     return TRUE;
 762 }
 763
 764 // ----------------------------------------------------------------------------
 765 // wxTopLevelWindowMSW misc
 766 // ----------------------------------------------------------------------------
 767
 768 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 769 {
 770     SetIcons( wxIconBundle( icon ) );
 771 }
 772
 773 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 774 {
 775     wxTopLevelWindowBase::SetIcons(icons);
 776
 777 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 778     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 779     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 780     {
 781         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 782                        (LPARAM)GetHiconOf(sml) );
 783     }
 784
 785     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 786     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 787     {
 788         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 789                        (LPARAM)GetHiconOf(big) );
 790     }
 791 #endif // __WIN95__
 792 }
 793
 794 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 795 {
 796 #if !defined(__WXMICROWIN__)
 797     // get system (a.k.a. window) menu
 798     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 799     if ( !hmenu )
 800     {
 801         // no system menu at all -- ok if we want to remove the close button
 802         // anyhow, but bad if we want to show it
 803         return !enable;
 804     }
 805
 806     // enabling/disabling the close item from it also automatically
 807     // disables/enables the close title bar button
 808     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 809                           MF_BYCOMMAND |
 810                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 811     {
 812         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 813
 814         return FALSE;
 815     }
 816
 817     // update appearance immediately
 818     if ( !::DrawMenuBar(GetHwnd()) )
 819     {
 820         wxLogLastError(_T("DrawMenuBar"));
 821     }
 822 #endif // !__WXMICROWIN__
 823
 824     return TRUE;
 825 }
 826
 827 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 828 {
 829 #ifdef __WXWINCE__
 830     return FALSE;
 831 #else
 832     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
 833                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 834
 835     // The empty region signifies that the shape should be removed from the
 836     // window.
 837     if ( region.IsEmpty() )
 838     {
 839         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 840         {
 841             wxLogLastError(_T("SetWindowRgn"));
 842             return FALSE;
 843         }
 844         return TRUE;
 845     }
 846
 847     // Windows takes ownership of the region, so
 848     // we'll have to make a copy of the region to give to it.
 849     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 850     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 851     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 852     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 853     delete[] (char*) rgnData;
 854
 855     // SetWindowRgn expects the region to be in coordinants
 856     // relative to the window, not the client area.  Figure
 857     // out the offset, if any.
 858     RECT rect;
 859     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 860     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 861     ::GetClientRect(GetHwnd(), &rect);
 862     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 863     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 864
 865     // Now call the shape API with the new region.
 866     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 867     {
 868         wxLogLastError(_T("SetWindowRgn"));
 869         return FALSE;
 870     }
 871     return TRUE;
 872 #endif
 873 }
 874
 875 // ----------------------------------------------------------------------------
 876 // wxTopLevelWindow event handling
 877 // ----------------------------------------------------------------------------
 878
 879 // Default activation behaviour - set the focus for the first child
 880 // subwindow found.
 881 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 882 {
 883     if ( event.GetActive() )
 884     {
 885         // restore focus to the child which was last focused unless we already
 886         // have it
 887         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 888
 889         wxWindow *winFocus = FindFocus();
 890         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 891         {
 892             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 893                                                 : NULL;
 894             if ( !parent )
 895             {
 896                 parent = this;
 897             }
 898
 899             wxSetFocusToChild(parent, &m_winLastFocused);
 900         }
 901     }
 902     else // deactivating
 903     {
 904         // remember the last focused child if it is our child
 905         m_winLastFocused = FindFocus();
 906
 907         if ( m_winLastFocused )
 908         {
 909             // let it know that it doesn't have focus any more
 910             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 911
 912             // and don't remember it if it's a child from some other frame
 913             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 914             {
 915                 m_winLastFocused = NULL;
 916             }
 917         }
 918
 919         wxLogTrace(_T("focus"),
 920                    _T("wxTLW %08x deactivated, last focused: %08x."),
 921                    (int) m_hWnd,
 922                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 923                                            : NULL));
 924
 925         event.Skip();
 926     }
 927 }
 928
 929 // the DialogProc for all wxWindows dialogs
 930 LONG APIENTRY _EXPORT
 931 wxDlgProc(HWND WXUNUSED(hDlg),
 932           UINT message,
 933           WPARAM WXUNUSED(wParam),
 934           LPARAM WXUNUSED(lParam))
 935 {
 936     switch ( message )
 937     {
 938         case WM_INITDIALOG:
 939             // for this message, returning TRUE tells system to set focus to
 940             // the first control in the dialog box, but as we set the focus
 941             // ourselves, we return FALSE from here as well, so fall through
 942
 943         default:
 944             // for all the other ones, FALSE means that we didn't process the
 945             // message
 946             return FALSE;
 947     }
 948 }
 949
 950 // ============================================================================
 951 // wxTLWHiddenParentModule implementation
 952 // ============================================================================
 953
 954 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
 955
 956 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
 957
 958 bool wxTLWHiddenParentModule::OnInit()
 959 {
 960     ms_hwnd = NULL;
 961     ms_className = NULL;
 962
 963     return TRUE;
 964 }
 965
 966 void wxTLWHiddenParentModule::OnExit()
 967 {
 968     if ( ms_hwnd )
 969     {
 970         if ( !::DestroyWindow(ms_hwnd) )
 971         {
 972             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
 973         }
 974
 975         ms_hwnd = NULL;
 976     }
 977
 978     if ( ms_className )
 979     {
 980         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
 981         {
 982             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
 983         }
 984
 985         ms_className = NULL;
 986     }
 987 }
 988
 989 /* static */
 990 HWND wxTLWHiddenParentModule::GetHWND()
 991 {
 992     if ( !ms_hwnd )
 993     {
 994         if ( !ms_className )
 995         {
 996             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
 997
 998             WNDCLASS wndclass;
 999             wxZeroMemory(wndclass);
1000
1001             wndclass.lpfnWndProc   = DefWindowProc;
1002             wndclass.hInstance     = wxGetInstance();
1003             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1004
1005             if ( !::RegisterClass(&wndclass) )
1006             {
1007                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1008             }
1009             else
1010             {
1011                 ms_className = HIDDEN_PARENT_CLASS;
1012             }
1013         }
1014
1015         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1016                                  (HMENU)NULL, wxGetInstance(), NULL);
1017         if ( !ms_hwnd )
1018         {
1019             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1020         }
1021     }
1022
1023     return ms_hwnd;
1024 }
1025
1026