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