src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/toplevel.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/dialog.h"
  32     #include "wx/string.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/frame.h"
  36     #include "wx/containr.h"        // wxSetFocusToChild()
  37     #include "wx/module.h"
  38 #endif //WX_PRECOMP
  39
  40 #include "wx/dynlib.h"
  41
  42 #include "wx/msw/private.h"
  43 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  44     #include <ole2.h>
  45     #include <shellapi.h>
  46     // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  47     #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  48         #include <aygshell.h>
  49     #endif
  50 #endif
  51
  52 #include "wx/msw/winundef.h"
  53 #include "wx/msw/missing.h"
  54
  55 #include "wx/display.h"
  56
  57 #ifndef ICON_BIG
  58     #define ICON_BIG 1
  59 #endif
  60
  61 #ifndef ICON_SMALL
  62     #define ICON_SMALL 0
  63 #endif
  64
  65 // ----------------------------------------------------------------------------
  66 // stubs for missing functions under MicroWindows
  67 // ----------------------------------------------------------------------------
  68
  69 #ifdef __WXMICROWIN__
  70
  71 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  72 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  73
  74 #endif // __WXMICROWIN__
  75
  76 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  77 //     is not included by wxUniv build which does need wxDlgProc
  78 LONG APIENTRY _EXPORT
  79 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  80
  81 // ----------------------------------------------------------------------------
  82 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  83 // module to ensure that the window is always deleted)
  84 // ----------------------------------------------------------------------------
  85
  86 class wxTLWHiddenParentModule : public wxModule
  87 {
  88 public:
  89     // module init/finalize
  90     virtual bool OnInit();
  91     virtual void OnExit();
  92
  93     // get the hidden window (creates on demand)
  94     static HWND GetHWND();
  95
  96 private:
  97     // the HWND of the hidden parent
  98     static HWND ms_hwnd;
  99
 100     // the class used to create it
 101     static const wxChar *ms_className;
 102
 103     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 104 };
 105
 106 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 107
 108 // ============================================================================
 109 // wxTopLevelWindowMSW implementation
 110 // ============================================================================
 111
 112 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 113     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 114 END_EVENT_TABLE()
 115
 116 // ----------------------------------------------------------------------------
 117 // wxTopLevelWindowMSW creation
 118 // ----------------------------------------------------------------------------
 119
 120 void wxTopLevelWindowMSW::Init()
 121 {
 122     m_iconized =
 123     m_maximizeOnShow = false;
 124
 125     // Data to save/restore when calling ShowFullScreen
 126     m_fsStyle = 0;
 127     m_fsOldWindowStyle = 0;
 128     m_fsIsMaximized = false;
 129     m_fsIsShowing = false;
 130
 131     m_winLastFocused = NULL;
 132
 133 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 134     m_MenuBarHWND = 0;
 135 #endif
 136
 137 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 138     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 139     wxZeroMemory(*info);
 140     info->cbSize = sizeof(SHACTIVATEINFO);
 141
 142     m_activateInfo = (void*) info;
 143 #endif
 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     // For some reason, WS_VISIBLE needs to be defined on creation for
 156     // SmartPhone 2003. The title can fail to be displayed otherwise.
 157 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 158     msflags |= WS_VISIBLE;
 159     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 160 #endif
 161
 162     // first select the kind of window being created
 163     //
 164     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 165     // creates a window with both caption and border, hence we need to use
 166     // WS_POPUP in a few cases just to avoid having caption/border which we
 167     // don't want
 168
 169     // border and caption styles
 170     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 171         msflags |= WS_THICKFRAME;
 172     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 173         *exflags |= WS_EX_DLGMODALFRAME;
 174     else if ( !(style & wxBORDER_NONE) )
 175         msflags |= WS_BORDER;
 176 #ifndef __POCKETPC__
 177     else
 178         msflags |= WS_POPUP;
 179 #endif
 180
 181     // normally we consider that all windows without a caption must be popups,
 182     // but CE is an exception: there windows normally do not have the caption
 183     // but shouldn't be made popups as popups can't have menus and don't look
 184     // like normal windows anyhow
 185
 186     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 187     // we need it.
 188 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 189     if ( style & wxCAPTION )
 190         msflags |= WS_CAPTION;
 191 #ifndef __WXWINCE__
 192     else
 193         msflags |= WS_POPUP;
 194 #endif // !__WXWINCE__
 195 #endif
 196
 197     // next translate the individual flags
 198
 199     // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
 200     // and is ignored if we specify both of them, but chances are that if we
 201     // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
 202     // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
 203     // takes precedence
 204     if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
 205     {
 206         if ( style & wxMINIMIZE_BOX )
 207             msflags |= WS_MINIMIZEBOX;
 208         if ( style & wxMAXIMIZE_BOX )
 209             msflags |= WS_MAXIMIZEBOX;
 210     }
 211
 212 #ifndef __WXWINCE__
 213     // notice that if wxCLOSE_BOX is specified we need to use WS_SYSMENU too as
 214     // otherwise the close box doesn't appear
 215     if ( style & (wxSYSTEM_MENU | wxCLOSE_BOX) )
 216         msflags |= WS_SYSMENU;
 217 #endif // !__WXWINCE__
 218
 219     // NB: under CE these 2 styles are not supported currently, we should
 220     //     call Minimize()/Maximize() "manually" if we want to support them
 221     if ( style & wxMINIMIZE )
 222         msflags |= WS_MINIMIZE;
 223
 224     if ( style & wxMAXIMIZE )
 225         msflags |= WS_MAXIMIZE;
 226
 227     // Keep this here because it saves recoding this function in wxTinyFrame
 228     if ( style & wxTINY_CAPTION )
 229         msflags |= WS_CAPTION;
 230
 231     if ( exflags )
 232     {
 233         // there is no taskbar under CE, so omit all this
 234 #if !defined(__WXWINCE__)
 235         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 236         {
 237             if ( style & wxFRAME_TOOL_WINDOW )
 238             {
 239                 // create the palette-like window
 240                 *exflags |= WS_EX_TOOLWINDOW;
 241
 242                 // tool windows shouldn't appear on the taskbar (as documented)
 243                 style |= wxFRAME_NO_TASKBAR;
 244             }
 245
 246             // We have to solve 2 different problems here:
 247             //
 248             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 249             //    taskbar even if they don't have a parent
 250             //
 251             // 2. frames without this style should appear in the taskbar even
 252             //    if they're owned (Windows only puts non owned windows into
 253             //    the taskbar normally)
 254             //
 255             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 256             // first one is dealt with in our MSWGetParent() method
 257             // implementation
 258             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 259             {
 260                 // need to force the frame to appear in the taskbar
 261                 *exflags |= WS_EX_APPWINDOW;
 262             }
 263             //else: nothing to do [here]
 264         }
 265
 266         if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
 267             *exflags |= WS_EX_CONTEXTHELP;
 268 #endif // !__WXWINCE__
 269
 270         if ( style & wxSTAY_ON_TOP )
 271             *exflags |= WS_EX_TOPMOST;
 272     }
 273
 274     return msflags;
 275 }
 276
 277 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 278 {
 279     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 280     // parent HWND or it would be always on top of its parent which is not what
 281     // we usually want (in fact, we only want it for frames with the
 282     // wxFRAME_FLOAT_ON_PARENT flag)
 283     HWND hwndParent = NULL;
 284     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 285     {
 286         const wxWindow *parent = GetParent();
 287
 288         if ( !parent )
 289         {
 290             // this flag doesn't make sense then and will be ignored
 291             wxFAIL_MSG( wxT("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 292         }
 293         else
 294         {
 295             hwndParent = GetHwndOf(parent);
 296         }
 297     }
 298     //else: don't float on parent, must not be owned
 299
 300     // now deal with the 2nd taskbar-related problem (see comments above in
 301     // MSWGetStyle())
 302     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 303     {
 304         // use hidden parent
 305         hwndParent = wxTLWHiddenParentModule::GetHWND();
 306     }
 307
 308     return (WXHWND)hwndParent;
 309 }
 310
 311 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 312 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 313 {
 314     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 315     if ( info )
 316     {
 317         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 318     }
 319
 320     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 321 }
 322 #endif
 323
 324 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 325 {
 326     WXLRESULT rc = 0;
 327     bool processed = false;
 328
 329 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 330     switch ( message )
 331     {
 332         case WM_ACTIVATE:
 333         {
 334             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 335             if (info)
 336             {
 337                 DWORD flags = 0;
 338                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 339                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 340             }
 341
 342             // This implicitly sends a wxEVT_ACTIVATE_APP event
 343             if (wxTheApp)
 344                 wxTheApp->SetActive(wParam != 0, FindFocus());
 345
 346             break;
 347         }
 348         case WM_HIBERNATE:
 349         {
 350             if (wxTheApp)
 351             {
 352                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 353                 event.SetEventObject(wxTheApp);
 354                 processed = wxTheApp->ProcessEvent(event);
 355             }
 356             break;
 357         }
 358     }
 359 #endif
 360
 361     if ( !processed )
 362         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 363
 364     return rc;
 365 }
 366
 367 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 368                                        const wxString& title,
 369                                        const wxPoint& pos,
 370                                        const wxSize& size)
 371 {
 372 #ifdef __WXMICROWIN__
 373     // no dialogs support under MicroWin yet
 374     return CreateFrame(title, pos, size);
 375 #else // !__WXMICROWIN__
 376     // static cast is valid as we're only ever called for dialogs
 377     wxWindow * const
 378         parent = static_cast<wxDialog *>(this)->GetParentForModalDialog();
 379
 380     m_hWnd = (WXHWND)::CreateDialogIndirect
 381                        (
 382                         wxGetInstance(),
 383                         (DLGTEMPLATE*)dlgTemplate,
 384                         parent ? GetHwndOf(parent) : NULL,
 385                         (DLGPROC)wxDlgProc
 386                        );
 387
 388     if ( !m_hWnd )
 389     {
 390         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 391
 392         wxLogSysError(wxT("Can't create dialog using memory template"));
 393
 394         return false;
 395     }
 396
 397 #if !defined(__WXWINCE__)
 398     // For some reason, the system menu is activated when we use the
 399     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 400     if ( HasExtraStyle(wxWS_EX_CONTEXTHELP) )
 401     {
 402         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 403         if ( winTop )
 404         {
 405             wxIcon icon = winTop->GetIcon();
 406             if ( icon.Ok() )
 407             {
 408                 ::SendMessage(GetHwnd(), WM_SETICON,
 409                               (WPARAM)TRUE,
 410                               (LPARAM)GetHiconOf(icon));
 411             }
 412         }
 413     }
 414 #endif // !__WXWINCE__
 415
 416     // move the dialog to its initial position without forcing repainting
 417     int x, y, w, h;
 418     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 419
 420     if ( x == (int)CW_USEDEFAULT )
 421     {
 422         // centre it on the screen - what else can we do?
 423         wxSize sizeDpy = wxGetDisplaySize();
 424
 425         x = (sizeDpy.x - w) / 2;
 426         y = (sizeDpy.y - h) / 2;
 427     }
 428
 429 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 430     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 431     {
 432         wxLogLastError(wxT("MoveWindow"));
 433     }
 434 #endif
 435
 436     if ( !title.empty() )
 437     {
 438         ::SetWindowText(GetHwnd(), title.wx_str());
 439     }
 440
 441     SubclassWin(m_hWnd);
 442
 443 #ifdef __SMARTPHONE__
 444     // Work around title non-display glitch
 445     Show(false);
 446 #endif
 447
 448     return true;
 449 #endif // __WXMICROWIN__/!__WXMICROWIN__
 450 }
 451
 452 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 453                                       const wxPoint& pos,
 454                                       const wxSize& size)
 455 {
 456     WXDWORD exflags;
 457     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 458
 459     const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 460
 461 #ifndef __WXWINCE__
 462     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 463         exflags |= WS_EX_LAYOUTRTL;
 464 #endif
 465
 466     return MSWCreate(MSWGetRegisteredClassName(),
 467                      title.wx_str(), pos, sz, flags, exflags);
 468 }
 469
 470 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 471                                  wxWindowID id,
 472                                  const wxString& title,
 473                                  const wxPoint& pos,
 474                                  const wxSize& size,
 475                                  long style,
 476                                  const wxString& name)
 477 {
 478     wxSize sizeReal = size;
 479     if ( !sizeReal.IsFullySpecified() )
 480     {
 481         sizeReal.SetDefaults(GetDefaultSize());
 482     }
 483
 484     // notice that we should append this window to wxTopLevelWindows list
 485     // before calling CreateBase() as it behaves differently for TLW and
 486     // non-TLW windows
 487     wxTopLevelWindows.Append(this);
 488
 489     bool ret = CreateBase(parent, id, pos, sizeReal, style, name);
 490     if ( !ret )
 491         return false;
 492
 493     if ( parent )
 494         parent->AddChild(this);
 495
 496     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 497     {
 498         // we have different dialog templates to allows creation of dialogs
 499         // with & without captions under MSWindows, resizeable or not (but a
 500         // resizeable dialog always has caption - otherwise it would look too
 501         // strange)
 502
 503         // we need 3 additional WORDs for dialog menu, class and title (as we
 504         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 505         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 506         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 507         memset(dlgTemplate, 0, dlgsize);
 508
 509         // these values are arbitrary, they won't be used normally anyhow
 510         dlgTemplate->x  = 34;
 511         dlgTemplate->y  = 22;
 512         dlgTemplate->cx = 144;
 513         dlgTemplate->cy = 75;
 514
 515         // reuse the code in MSWGetStyle() but correct the results slightly for
 516         // the dialog
 517         //
 518         // NB: we need a temporary variable as we can't pass pointer to
 519         //     dwExtendedStyle directly, it's not aligned correctly for 64 bit
 520         //     architectures
 521         WXDWORD dwExtendedStyle;
 522         dlgTemplate->style = MSWGetStyle(style, &dwExtendedStyle);
 523         dlgTemplate->dwExtendedStyle = dwExtendedStyle;
 524
 525         // all dialogs are popups
 526         dlgTemplate->style |= WS_POPUP;
 527
 528 #ifndef __WXWINCE__
 529         if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
 530         {
 531             dlgTemplate->dwExtendedStyle |= WS_EX_LAYOUTRTL;
 532         }
 533
 534         // force 3D-look if necessary, it looks impossibly ugly otherwise
 535         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 536             dlgTemplate->style |= DS_MODALFRAME;
 537 #endif
 538
 539         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 540         free(dlgTemplate);
 541     }
 542     else // !dialog
 543     {
 544         ret = CreateFrame(title, pos, sizeReal);
 545     }
 546
 547 #ifndef __WXWINCE__
 548     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 549     {
 550         EnableCloseButton(false);
 551     }
 552 #endif
 553
 554     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 555     // itself but for custom windows we have to do it ourselves in order to
 556     // make the keyboard indicators (such as underlines for accelerators and
 557     // focus rectangles) work under Win2k+
 558     if ( ret )
 559     {
 560         MSWUpdateUIState(UIS_INITIALIZE);
 561     }
 562
 563     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 564     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 565 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 566     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 567     {
 568         this->Maximize();
 569     }
 570 #endif
 571
 572 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 573     SetRightMenu(); // to nothing for initialization
 574 #endif
 575
 576     return ret;
 577 }
 578
 579 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 580 {
 581     SendDestroyEvent();
 582
 583 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 584     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 585     delete info;
 586     m_activateInfo = NULL;
 587 #endif
 588
 589     // after destroying an owned window, Windows activates the next top level
 590     // window in Z order but it may be different from our owner (to reproduce
 591     // this simply Alt-TAB to another application and back before closing the
 592     // owned frame) whereas we always want to yield activation to our parent
 593     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 594     {
 595         wxWindow *parent = GetParent();
 596         if ( parent )
 597         {
 598             ::BringWindowToTop(GetHwndOf(parent));
 599         }
 600     }
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // wxTopLevelWindowMSW showing
 605 // ----------------------------------------------------------------------------
 606
 607 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 608 {
 609     ::ShowWindow(GetHwnd(), nShowCmd);
 610
 611     m_iconized = nShowCmd == SW_MINIMIZE;
 612 }
 613
 614 void wxTopLevelWindowMSW::ShowWithoutActivating()
 615 {
 616     if ( !wxWindowBase::Show(true) )
 617         return;
 618
 619     DoShowWindow(SW_SHOWNA);
 620 }
 621
 622 bool wxTopLevelWindowMSW::Show(bool show)
 623 {
 624     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 625     if ( !wxWindowBase::Show(show) )
 626         return false;
 627
 628     int nShowCmd;
 629     if ( show )
 630     {
 631         if ( m_maximizeOnShow )
 632         {
 633             // show and maximize
 634             nShowCmd = SW_MAXIMIZE;
 635
 636             // This is necessary, or no window appears
 637 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 638             DoShowWindow(SW_SHOW);
 639 #endif
 640
 641             m_maximizeOnShow = false;
 642         }
 643         else if ( m_iconized )
 644         {
 645             // iconize and show
 646             nShowCmd = SW_MINIMIZE;
 647         }
 648         else // just show
 649         {
 650             // we shouldn't use SW_SHOW which also activates the window for
 651             // tool frames (as they shouldn't steal focus from the main window)
 652             // nor for the currently disabled windows as they would be enabled
 653             // as a side effect
 654             if ( HasFlag(wxFRAME_TOOL_WINDOW) || !IsEnabled() )
 655                 nShowCmd = SW_SHOWNA;
 656             else
 657                 nShowCmd = SW_SHOW;
 658         }
 659     }
 660     else // hide
 661     {
 662         nShowCmd = SW_HIDE;
 663     }
 664
 665     // we only set pending size if we're maximized before being shown, now that
 666     // we're shown we don't need it any more (it is reset in size event handler
 667     // for child windows but we have to do it ourselves for this parent window)
 668     //
 669     // make sure to reset it before actually showing the window as this will
 670     // generate WM_SIZE events and we want to use the correct client size from
 671     // them, not the size returned by WM_NCCALCSIZE in DoGetClientSize() which
 672     // turns out to be wrong for maximized windows (see #11762)
 673     m_pendingSize = wxDefaultSize;
 674
 675     DoShowWindow(nShowCmd);
 676
 677 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 678     // Addornments have to be added when the frame is the correct size
 679     wxFrame* frame = wxDynamicCast(this, wxFrame);
 680     if (frame && frame->GetMenuBar())
 681         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 682 #endif
 683
 684     return true;
 685 }
 686
 687 // ----------------------------------------------------------------------------
 688 // wxTopLevelWindowMSW maximize/minimize
 689 // ----------------------------------------------------------------------------
 690
 691 void wxTopLevelWindowMSW::Maximize(bool maximize)
 692 {
 693     if ( IsShown() )
 694     {
 695         // just maximize it directly
 696         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 697     }
 698     else // hidden
 699     {
 700         // we can't maximize the hidden frame because it shows it as well,
 701         // so just remember that we should do it later in this case
 702         m_maximizeOnShow = maximize;
 703
 704         // after calling Maximize() the client code expects to get the frame
 705         // "real" size and doesn't want to know that, because of implementation
 706         // details, the frame isn't really maximized yet but will be only once
 707         // it's shown, so return our size as it will be then in this case
 708         if ( maximize )
 709         {
 710             // we must only change pending size here, and not call SetSize()
 711             // because otherwise Windows would think that this (full screen)
 712             // size is the natural size for the frame and so would use it when
 713             // the user clicks on "restore" title bar button instead of the
 714             // correct initial frame size
 715             //
 716             // NB: unfortunately we don't know which display we're on yet so we
 717             //     have to use the default one
 718             m_pendingSize = wxGetClientDisplayRect().GetSize();
 719         }
 720         //else: can't do anything in this case, we don't have the old size
 721     }
 722 }
 723
 724 bool wxTopLevelWindowMSW::IsMaximized() const
 725 {
 726     return IsAlwaysMaximized() ||
 727 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__) && !defined(__WINCE_STANDARDSDK__)
 728
 729            (::IsZoomed(GetHwnd()) != 0) ||
 730 #endif
 731            m_maximizeOnShow;
 732 }
 733
 734 void wxTopLevelWindowMSW::Iconize(bool iconize)
 735 {
 736     if ( IsShown() )
 737     {
 738         // change the window state immediately
 739         DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 740     }
 741     else // hidden
 742     {
 743         // iconizing the window shouldn't show it so just remember that we need
 744         // to become iconized when shown later
 745         m_iconized = true;
 746     }
 747 }
 748
 749 bool wxTopLevelWindowMSW::IsIconized() const
 750 {
 751 #ifdef __WXWINCE__
 752     return false;
 753 #else
 754     if ( !IsShown() )
 755         return m_iconized;
 756
 757     // don't use m_iconized, it may be briefly out of sync with the real state
 758     // as it's only modified when we receive a WM_SIZE and we could be called
 759     // from an event handler from one of the messages we receive before it,
 760     // such as WM_MOVE
 761     return ::IsIconic(GetHwnd()) != 0;
 762 #endif
 763 }
 764
 765 void wxTopLevelWindowMSW::Restore()
 766 {
 767     DoShowWindow(SW_RESTORE);
 768 }
 769
 770 void wxTopLevelWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 771 {
 772     if ( dir == wxLayout_Default )
 773         dir = wxTheApp->GetLayoutDirection();
 774
 775     if ( dir != wxLayout_Default )
 776         wxTopLevelWindowBase::SetLayoutDirection(dir);
 777 }
 778
 779 // ----------------------------------------------------------------------------
 780 // wxTopLevelWindowMSW geometry
 781 // ----------------------------------------------------------------------------
 782
 783 #ifndef __WXWINCE__
 784
 785 void wxTopLevelWindowMSW::DoGetPosition(int *x, int *y) const
 786 {
 787     if ( IsIconized() )
 788     {
 789         WINDOWPLACEMENT wp;
 790         wp.length = sizeof(WINDOWPLACEMENT);
 791         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 792         {
 793             RECT& rc = wp.rcNormalPosition;
 794
 795             // the position returned by GetWindowPlacement() is in workspace
 796             // coordinates except for windows with WS_EX_TOOLWINDOW style
 797             if ( !HasFlag(wxFRAME_TOOL_WINDOW) )
 798             {
 799                 // we must use the correct display for the translation as the
 800                 // task bar might be shown on one display but not the other one
 801                 int n = wxDisplay::GetFromWindow(this);
 802                 wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 803                 const wxPoint ptOfs = dpy.GetClientArea().GetPosition() -
 804                                       dpy.GetGeometry().GetPosition();
 805
 806                 rc.left += ptOfs.x;
 807                 rc.top += ptOfs.y;
 808             }
 809
 810             if ( x )
 811                 *x = rc.left;
 812             if ( y )
 813                 *y = rc.top;
 814
 815             return;
 816         }
 817
 818         wxLogLastError(wxT("GetWindowPlacement"));
 819     }
 820     //else: normal case
 821
 822     wxTopLevelWindowBase::DoGetPosition(x, y);
 823 }
 824
 825 void wxTopLevelWindowMSW::DoGetSize(int *width, int *height) const
 826 {
 827     if ( IsIconized() )
 828     {
 829         WINDOWPLACEMENT wp;
 830         wp.length = sizeof(WINDOWPLACEMENT);
 831         if ( ::GetWindowPlacement(GetHwnd(), &wp) )
 832         {
 833             const RECT& rc = wp.rcNormalPosition;
 834
 835             if ( width )
 836                 *width = rc.right - rc.left;
 837             if ( height )
 838                 *height = rc.bottom - rc.top;
 839
 840             return;
 841         }
 842
 843         wxLogLastError(wxT("GetWindowPlacement"));
 844     }
 845     //else: normal case
 846
 847     wxTopLevelWindowBase::DoGetSize(width, height);
 848 }
 849
 850 #endif // __WXWINCE__
 851
 852 void
 853 wxTopLevelWindowMSW::MSWGetCreateWindowCoords(const wxPoint& pos,
 854                                               const wxSize& size,
 855                                               int& x, int& y,
 856                                               int& w, int& h) const
 857 {
 858     // let the system position the window if no explicit position was specified
 859     if ( pos.x == wxDefaultCoord )
 860     {
 861         // if x is set to CW_USEDEFAULT, y parameter is ignored anyhow so we
 862         // can just as well set it to CW_USEDEFAULT as well
 863         x =
 864         y = CW_USEDEFAULT;
 865     }
 866     else
 867     {
 868         // OTOH, if x is not set to CW_USEDEFAULT, y shouldn't be set to it
 869         // neither because it is not handled as a special value by Windows then
 870         // and so we have to choose some default value for it, even if a
 871         // completely arbitrary one
 872         static const int DEFAULT_Y = 200;
 873
 874         x = pos.x;
 875         y = pos.y == wxDefaultCoord ? DEFAULT_Y : pos.y;
 876     }
 877
 878     if ( size.x == wxDefaultCoord || size.y == wxDefaultCoord )
 879     {
 880         // We don't use CW_USEDEFAULT here for several reasons:
 881         //
 882         //  1. It results in huge frames on modern screens (1000*800 is not
 883         //     uncommon on my 1280*1024 screen) which is way too big for a half
 884         //     empty frame of most of wxWidgets samples for example)
 885         //
 886         //  2. It is buggy for frames with wxFRAME_TOOL_WINDOW style for which
 887         //     the default is for whatever reason 8*8 which breaks client <->
 888         //     window size calculations (it would be nice if it didn't, but it
 889         //     does and the simplest way to fix it seemed to change the broken
 890         //     default size anyhow)
 891         //
 892         //  3. There is just no advantage in doing it: with x and y it is
 893         //     possible that [future versions of] Windows position the new top
 894         //     level window in some smart way which we can't do, but we can
 895         //     guess a reasonably good size for a new window just as well
 896         //     ourselves
 897         //
 898         // The only exception is for the Windows CE platform where the system
 899         // does know better than we how should the windows be sized
 900 #ifdef _WIN32_WCE
 901         w =
 902         h = CW_USEDEFAULT;
 903 #else // !_WIN32_WCE
 904         wxSize sizeReal = size;
 905         sizeReal.SetDefaults(GetDefaultSize());
 906
 907         w = sizeReal.x;
 908         h = sizeReal.y;
 909 #endif // _WIN32_WCE/!_WIN32_WCE
 910     }
 911     else
 912     {
 913         w = size.x;
 914         h = size.y;
 915     }
 916 }
 917
 918 // ----------------------------------------------------------------------------
 919 // wxTopLevelWindowMSW fullscreen
 920 // ----------------------------------------------------------------------------
 921
 922 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 923 {
 924     if ( show == IsFullScreen() )
 925     {
 926         // nothing to do
 927         return true;
 928     }
 929
 930     m_fsIsShowing = show;
 931
 932     if ( show )
 933     {
 934         m_fsStyle = style;
 935
 936         // zap the frame borders
 937
 938         // save the 'normal' window style
 939         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 940
 941         // save the old position, width & height, maximize state
 942         m_fsOldSize = GetRect();
 943         m_fsIsMaximized = IsMaximized();
 944
 945         // decide which window style flags to turn off
 946         LONG newStyle = m_fsOldWindowStyle;
 947         LONG offFlags = 0;
 948
 949         if (style & wxFULLSCREEN_NOBORDER)
 950         {
 951             offFlags |= WS_BORDER;
 952 #ifndef __WXWINCE__
 953             offFlags |= WS_THICKFRAME;
 954 #endif
 955         }
 956         if (style & wxFULLSCREEN_NOCAPTION)
 957             offFlags |= WS_CAPTION | WS_SYSMENU;
 958
 959         newStyle &= ~offFlags;
 960
 961         // change our window style to be compatible with full-screen mode
 962         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 963
 964         wxRect rect;
 965 #if wxUSE_DISPLAY
 966         // resize to the size of the display containing us
 967         int dpy = wxDisplay::GetFromWindow(this);
 968         if ( dpy != wxNOT_FOUND )
 969         {
 970             rect = wxDisplay(dpy).GetGeometry();
 971         }
 972         else // fall back to the main desktop
 973 #endif // wxUSE_DISPLAY
 974         {
 975             // resize to the size of the desktop
 976             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 977 #ifdef __WXWINCE__
 978             // FIXME: size of the bottom menu (toolbar)
 979             // should be taken in account
 980             rect.height += rect.y;
 981             rect.y       = 0;
 982 #endif
 983         }
 984
 985         SetSize(rect);
 986
 987         // now flush the window style cache and actually go full-screen
 988         long flags = SWP_FRAMECHANGED;
 989
 990         // showing the frame full screen should also show it if it's still
 991         // hidden
 992         if ( !IsShown() )
 993         {
 994             // don't call wxWindow version to avoid flicker from calling
 995             // ::ShowWindow() -- we're going to show the window at the correct
 996             // location directly below -- but do call the wxWindowBase version
 997             // to sync the internal m_isShown flag
 998             wxWindowBase::Show();
 999
1000             flags |= SWP_SHOWWINDOW;
1001         }
1002
1003         SetWindowPos(GetHwnd(), HWND_TOP,
1004                      rect.x, rect.y, rect.width, rect.height,
1005                      flags);
1006
1007 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1008         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
1009 #endif
1010
1011         // finally send an event allowing the window to relayout itself &c
1012         wxSizeEvent event(rect.GetSize(), GetId());
1013         HandleWindowEvent(event);
1014     }
1015     else // stop showing full screen
1016     {
1017 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
1018         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
1019 #endif
1020         Maximize(m_fsIsMaximized);
1021         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
1022         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
1023             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
1024     }
1025
1026     return true;
1027 }
1028
1029 // ----------------------------------------------------------------------------
1030 // wxTopLevelWindowMSW misc
1031 // ----------------------------------------------------------------------------
1032
1033 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
1034 {
1035     SetLabel(title);
1036 }
1037
1038 wxString wxTopLevelWindowMSW::GetTitle() const
1039 {
1040     return GetLabel();
1041 }
1042
1043 bool wxTopLevelWindowMSW::DoSelectAndSetIcon(const wxIconBundle& icons,
1044                                              int smX,
1045                                              int smY,
1046                                              int i)
1047 {
1048     const wxSize size(::GetSystemMetrics(smX), ::GetSystemMetrics(smY));
1049
1050     const wxIcon icon = icons.GetIconOfExactSize(size);
1051     if ( icon.Ok() )
1052     {
1053         ::SendMessage(GetHwnd(), WM_SETICON, i, (LPARAM)GetHiconOf(icon));
1054         return true;
1055     }
1056
1057     return false;
1058 }
1059
1060 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
1061 {
1062     wxTopLevelWindowBase::SetIcons(icons);
1063
1064     if ( icons.IsEmpty() )
1065     {
1066         // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
1067         //        but we currently don't do that
1068         wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
1069         return;
1070     }
1071
1072     bool anySet =
1073         DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL);
1074     if ( DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
1075         anySet = true;
1076
1077     if ( !anySet )
1078     {
1079         wxFAIL_MSG( "icon bundle doesn't contain any suitable icon" );
1080     }
1081 }
1082
1083 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
1084 {
1085 #if !defined(__WXMICROWIN__)
1086     // get system (a.k.a. window) menu
1087     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
1088     if ( !hmenu )
1089     {
1090         // no system menu at all -- ok if we want to remove the close button
1091         // anyhow, but bad if we want to show it
1092         return !enable;
1093     }
1094
1095     // enabling/disabling the close item from it also automatically
1096     // disables/enables the close title bar button
1097     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
1098                           MF_BYCOMMAND |
1099                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
1100     {
1101         wxLogLastError(wxT("EnableMenuItem(SC_CLOSE)"));
1102
1103         return false;
1104     }
1105 #ifndef __WXWINCE__
1106     // update appearance immediately
1107     if ( !::DrawMenuBar(GetHwnd()) )
1108     {
1109         wxLogLastError(wxT("DrawMenuBar"));
1110     }
1111 #endif
1112 #endif // !__WXMICROWIN__
1113
1114     return true;
1115 }
1116
1117 #ifndef __WXWINCE__
1118
1119 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
1120 {
1121     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1122                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1123
1124     // The empty region signifies that the shape should be removed from the
1125     // window.
1126     if ( region.IsEmpty() )
1127     {
1128         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
1129         {
1130             wxLogLastError(wxT("SetWindowRgn"));
1131             return false;
1132         }
1133         return true;
1134     }
1135
1136     // Windows takes ownership of the region, so
1137     // we'll have to make a copy of the region to give to it.
1138     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
1139     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
1140     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
1141     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
1142     delete[] (char*) rgnData;
1143
1144     // SetWindowRgn expects the region to be in coordinants
1145     // relative to the window, not the client area.  Figure
1146     // out the offset, if any.
1147     RECT rect;
1148     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
1149     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1150     ::GetClientRect(GetHwnd(), &rect);
1151     ::AdjustWindowRectEx(&rect, dwStyle, ::GetMenu(GetHwnd()) != NULL, dwExStyle);
1152     ::OffsetRgn(hrgn, -rect.left, -rect.top);
1153
1154     // Now call the shape API with the new region.
1155     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
1156     {
1157         wxLogLastError(wxT("SetWindowRgn"));
1158         return false;
1159     }
1160     return true;
1161 }
1162
1163 #endif // !__WXWINCE__
1164
1165 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
1166 {
1167     // check if we can use FlashWindowEx(): unfortunately a simple test for
1168     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
1169     // provide FlashWindowEx() declaration, so try to detect whether we have
1170     // real headers for WINVER 0x0500 by checking for existence of a symbol not
1171     // declated in MSVC6 header
1172 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1) && wxUSE_DYNLIB_CLASS
1173     // available in the headers, check if it is supported by the system
1174     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1175     static FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1176     if ( !s_pfnFlashWindowEx )
1177     {
1178         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1179         s_pfnFlashWindowEx = (FlashWindowEx_t)
1180                                 dllUser32.GetSymbol(wxT("FlashWindowEx"));
1181
1182         // we can safely unload user32.dll here, it's going to remain loaded as
1183         // long as the program is running anyhow
1184     }
1185
1186     if ( s_pfnFlashWindowEx )
1187     {
1188         WinStruct<FLASHWINFO> fwi;
1189         fwi.hwnd = GetHwnd();
1190         fwi.dwFlags = FLASHW_ALL;
1191         if ( flags & wxUSER_ATTENTION_INFO )
1192         {
1193             // just flash a few times
1194             fwi.uCount = 3;
1195         }
1196         else // wxUSER_ATTENTION_ERROR
1197         {
1198             // flash until the user notices it
1199             fwi.dwFlags |= FLASHW_TIMERNOFG;
1200         }
1201
1202         s_pfnFlashWindowEx(&fwi);
1203     }
1204     else // FlashWindowEx() not available
1205 #endif // FlashWindowEx() defined
1206     {
1207         wxUnusedVar(flags);
1208 #ifndef __WXWINCE__
1209         ::FlashWindow(GetHwnd(), TRUE);
1210 #endif // __WXWINCE__
1211     }
1212 }
1213
1214 // ---------------------------------------------------------------------------
1215
1216 bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
1217 {
1218 #if wxUSE_DYNLIB_CLASS
1219     typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
1220     static PSETLAYEREDWINDOWATTR
1221         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)-1;
1222
1223     if ( pSetLayeredWindowAttributes == (PSETLAYEREDWINDOWATTR)-1 )
1224     {
1225         wxDynamicLibrary dllUser32(wxT("user32.dll"));
1226
1227         // use RawGetSymbol() and not GetSymbol() to avoid error messages under
1228         // Windows 95: there is nothing the user can do about this anyhow
1229         pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
1230             dllUser32.RawGetSymbol(wxT("SetLayeredWindowAttributes"));
1231
1232         // it's ok to destroy dllUser32 here, we link statically to user32.dll
1233         // anyhow so it won't be unloaded
1234     }
1235
1236     if ( !pSetLayeredWindowAttributes )
1237         return false;
1238 #endif // wxUSE_DYNLIB_CLASS
1239
1240     LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
1241
1242     // if setting alpha to fully opaque then turn off the layered style
1243     if (alpha == 255)
1244     {
1245         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
1246         Refresh();
1247         return true;
1248     }
1249
1250 #if wxUSE_DYNLIB_CLASS
1251     // Otherwise, set the layered style if needed and set the alpha value
1252     if ((exstyle & WS_EX_LAYERED) == 0 )
1253         SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
1254
1255     if ( pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) )
1256         return true;
1257 #endif // wxUSE_DYNLIB_CLASS
1258
1259     return false;
1260 }
1261
1262 bool wxTopLevelWindowMSW::CanSetTransparent()
1263 {
1264     // The API is available on win2k and above
1265
1266     static int os_type = -1;
1267     static int ver_major = -1;
1268
1269     if (os_type == -1)
1270         os_type = ::wxGetOsVersion(&ver_major);
1271
1272     return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
1273 }
1274
1275
1276 void wxTopLevelWindowMSW::DoFreeze()
1277 {
1278     // do nothing: freezing toplevel window causes paint and mouse events
1279     // to go through it any TLWs under it, so the best we can do is to freeze
1280     // all children -- and wxWindowBase::Freeze() does that
1281 }
1282
1283 void wxTopLevelWindowMSW::DoThaw()
1284 {
1285     // intentionally empty -- see DoFreeze()
1286 }
1287
1288
1289 // ----------------------------------------------------------------------------
1290 // wxTopLevelWindow event handling
1291 // ----------------------------------------------------------------------------
1292
1293 // Default activation behaviour - set the focus for the first child
1294 // subwindow found.
1295 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1296 {
1297     if ( event.GetActive() )
1298     {
1299         // restore focus to the child which was last focused unless we already
1300         // have it
1301         wxLogTrace(wxT("focus"), wxT("wxTLW %p activated."), m_hWnd);
1302
1303         wxWindow *winFocus = FindFocus();
1304         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1305         {
1306             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1307                                                 : NULL;
1308             if ( !parent )
1309             {
1310                 parent = this;
1311             }
1312
1313             wxSetFocusToChild(parent, &m_winLastFocused);
1314         }
1315     }
1316     else // deactivating
1317     {
1318         // remember the last focused child if it is our child
1319         m_winLastFocused = FindFocus();
1320
1321         if ( m_winLastFocused )
1322         {
1323             // let it know that it doesn't have focus any more
1324             // But this will already be done via WM_KILLFOCUS, so we'll get two kill
1325             // focus events if we call it explicitly.
1326             // m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1327
1328             // and don't remember it if it's a child from some other frame
1329             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1330             {
1331                 m_winLastFocused = NULL;
1332             }
1333         }
1334
1335         wxLogTrace(wxT("focus"),
1336                    wxT("wxTLW %p deactivated, last focused: %p."),
1337                    m_hWnd,
1338                    m_winLastFocused ? GetHwndOf(m_winLastFocused) : NULL);
1339
1340         event.Skip();
1341     }
1342 }
1343
1344 // the DialogProc for all wxWidgets dialogs
1345 LONG APIENTRY _EXPORT
1346 wxDlgProc(HWND hDlg,
1347           UINT message,
1348           WPARAM WXUNUSED(wParam),
1349           LPARAM WXUNUSED(lParam))
1350 {
1351     switch ( message )
1352     {
1353         case WM_INITDIALOG:
1354         {
1355             // under CE, add a "Ok" button in the dialog title bar and make it full
1356             // screen
1357             //
1358             // TODO: find the window for this HWND, and take into account
1359             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1360             //
1361             // Standard SDK doesn't have aygshell.dll: see
1362             // include/wx/msw/wince/libraries.h
1363 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1364             SHINITDLGINFO shidi;
1365             shidi.dwMask = SHIDIM_FLAGS;
1366             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1367 #ifndef __SMARTPHONE__
1368                             | SHIDIF_DONEBUTTON
1369 #endif
1370                         ;
1371             shidi.hDlg = hDlg;
1372             SHInitDialog( &shidi );
1373 #else // no SHInitDialog()
1374             wxUnusedVar(hDlg);
1375 #endif
1376             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1377             // the first control in the dialog box, but as we set the focus
1378             // ourselves, we return FALSE for it as well
1379             return FALSE;
1380         }
1381     }
1382
1383     // for almost all messages, returning FALSE means that we didn't process
1384     // the message
1385     return FALSE;
1386 }
1387
1388 // ============================================================================
1389 // wxTLWHiddenParentModule implementation
1390 // ============================================================================
1391
1392 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1393
1394 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1395
1396 bool wxTLWHiddenParentModule::OnInit()
1397 {
1398     ms_hwnd = NULL;
1399     ms_className = NULL;
1400
1401     return true;
1402 }
1403
1404 void wxTLWHiddenParentModule::OnExit()
1405 {
1406     if ( ms_hwnd )
1407     {
1408         if ( !::DestroyWindow(ms_hwnd) )
1409         {
1410             wxLogLastError(wxT("DestroyWindow(hidden TLW parent)"));
1411         }
1412
1413         ms_hwnd = NULL;
1414     }
1415
1416     if ( ms_className )
1417     {
1418         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1419         {
1420             wxLogLastError(wxT("UnregisterClass(\"wxTLWHiddenParent\")"));
1421         }
1422
1423         ms_className = NULL;
1424     }
1425 }
1426
1427 /* static */
1428 HWND wxTLWHiddenParentModule::GetHWND()
1429 {
1430     if ( !ms_hwnd )
1431     {
1432         if ( !ms_className )
1433         {
1434             static const wxChar *HIDDEN_PARENT_CLASS = wxT("wxTLWHiddenParent");
1435
1436             WNDCLASS wndclass;
1437             wxZeroMemory(wndclass);
1438
1439             wndclass.lpfnWndProc   = DefWindowProc;
1440             wndclass.hInstance     = wxGetInstance();
1441             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1442
1443             if ( !::RegisterClass(&wndclass) )
1444             {
1445                 wxLogLastError(wxT("RegisterClass(\"wxTLWHiddenParent\")"));
1446             }
1447             else
1448             {
1449                 ms_className = HIDDEN_PARENT_CLASS;
1450             }
1451         }
1452
1453         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1454                                  (HMENU)NULL, wxGetInstance(), NULL);
1455         if ( !ms_hwnd )
1456         {
1457             wxLogLastError(wxT("CreateWindow(hidden TLW parent)"));
1458         }
1459     }
1460
1461     return ms_hwnd;
1462 }