src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/dialog.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/frame.h"
  39     #include "wx/containr.h"        // wxSetFocusToChild()
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/module.h"
  43 #include "wx/dynlib.h"
  44
  45 #include "wx/msw/private.h"
  46 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  47   #include <ole2.h>
  48   #include <shellapi.h>
  49   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  50   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  51     #include <aygshell.h>
  52   #endif
  53 #include "wx/msw/wince/missing.h"
  54 #endif
  55
  56 #include "wx/msw/missing.h"
  57 #include "wx/msw/winundef.h"
  58
  59 #include "wx/display.h"
  60
  61 #ifndef ICON_BIG
  62     #define ICON_BIG 1
  63 #endif
  64
  65 #ifndef ICON_SMALL
  66     #define ICON_SMALL 0
  67 #endif
  68
  69 // ----------------------------------------------------------------------------
  70 // stubs for missing functions under MicroWindows
  71 // ----------------------------------------------------------------------------
  72
  73 #ifdef __WXMICROWIN__
  74
  75 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  76 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  77
  78 #endif // __WXMICROWIN__
  79
  80 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  81 //     is not included by wxUniv build which does need wxDlgProc
  82 LONG APIENTRY _EXPORT
  83 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  84
  85 // ----------------------------------------------------------------------------
  86 // globals
  87 // ----------------------------------------------------------------------------
  88
  89 // the name of the default wxWidgets class
  90 #ifdef __WXWINCE__
  91 extern       wxChar *wxCanvasClassName;
  92 #else
  93 extern const wxChar *wxCanvasClassName;
  94 #endif
  95
  96 // ----------------------------------------------------------------------------
  97 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  98 // module to ensure that the window is always deleted)
  99 // ----------------------------------------------------------------------------
 100
 101 class wxTLWHiddenParentModule : public wxModule
 102 {
 103 public:
 104     // module init/finalize
 105     virtual bool OnInit();
 106     virtual void OnExit();
 107
 108     // get the hidden window (creates on demand)
 109     static HWND GetHWND();
 110
 111 private:
 112     // the HWND of the hidden parent
 113     static HWND ms_hwnd;
 114
 115     // the class used to create it
 116     static const wxChar *ms_className;
 117
 118     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 119 };
 120
 121 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 122
 123 // ============================================================================
 124 // wxTopLevelWindowMSW implementation
 125 // ============================================================================
 126
 127 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 128     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 129 END_EVENT_TABLE()
 130
 131 // ----------------------------------------------------------------------------
 132 // wxTopLevelWindowMSW creation
 133 // ----------------------------------------------------------------------------
 134
 135 void wxTopLevelWindowMSW::Init()
 136 {
 137     m_iconized =
 138     m_maximizeOnShow = false;
 139
 140     // Data to save/restore when calling ShowFullScreen
 141     m_fsStyle = 0;
 142     m_fsOldWindowStyle = 0;
 143     m_fsIsMaximized = false;
 144     m_fsIsShowing = false;
 145
 146     m_winLastFocused = (wxWindow *)NULL;
 147
 148 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 149     m_MenuBarHWND = 0;
 150 #endif
 151 #ifdef __POCKETPC__
 152     // A dummy menubar for dialogs
 153     m_menuBarHWND = 0;
 154 #endif
 155 }
 156
 157 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 158 {
 159     // let the base class deal with the common styles but fix the ones which
 160     // don't make sense for us (we also deal with the borders ourselves)
 161     WXDWORD msflags = wxWindow::MSWGetStyle
 162                       (
 163                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 164                       ) & ~WS_CHILD & ~WS_VISIBLE;
 165
 166     // For some reason, WS_VISIBLE needs to be defined on creation for
 167     // SmartPhone 2003. The title can fail to be displayed otherwise.
 168 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 169     msflags |= WS_VISIBLE;
 170     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 171 #endif
 172
 173     // first select the kind of window being created
 174     //
 175     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 176     // creates a window with both caption and border, hence we need to use
 177     // WS_POPUP in a few cases just to avoid having caption/border which we
 178     // don't want
 179
 180 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 181     // border and caption styles
 182     if ( style & wxRESIZE_BORDER )
 183         msflags |= WS_THICKFRAME;
 184     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 185         *exflags |= WS_EX_DLGMODALFRAME;
 186     else if ( !(style & wxBORDER_NONE) )
 187         msflags |= WS_BORDER;
 188     else
 189         msflags |= WS_POPUP;
 190 #endif
 191
 192     // normally we consider that all windows without a caption must be popups,
 193     // but CE is an exception: there windows normally do not have the caption
 194     // but shouldn't be made popups as popups can't have menus and don't look
 195     // like normal windows anyhow
 196
 197     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 198     // we need it.
 199 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 200     if ( style & wxCAPTION )
 201         msflags |= WS_CAPTION;
 202 #ifndef __WXWINCE__
 203     else
 204         msflags |= WS_POPUP;
 205 #endif // !__WXWINCE__
 206 #endif
 207
 208     // next translate the individual flags
 209     if ( style & wxMINIMIZE_BOX )
 210         msflags |= WS_MINIMIZEBOX;
 211     if ( style & wxMAXIMIZE_BOX )
 212         msflags |= WS_MAXIMIZEBOX;
 213
 214 #ifndef __WXWINCE__
 215     if ( style & wxSYSTEM_MENU )
 216         msflags |= WS_SYSMENU;
 217 #endif
 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 !defined(__POCKETPC__)
 225     if ( style & wxMAXIMIZE )
 226         msflags |= WS_MAXIMIZE;
 227 #endif
 228
 229     // Keep this here because it saves recoding this function in wxTinyFrame
 230     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 231         msflags |= WS_CAPTION;
 232
 233     if ( exflags )
 234     {
 235         // there is no taskbar under CE, so omit all this
 236 #if !defined(__WXWINCE__)
 237         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 238         {
 239             if ( style & wxFRAME_TOOL_WINDOW )
 240             {
 241                 // create the palette-like window
 242                 *exflags |= WS_EX_TOOLWINDOW;
 243
 244                 // tool windows shouldn't appear on the taskbar (as documented)
 245                 style |= wxFRAME_NO_TASKBAR;
 246             }
 247
 248             // We have to solve 2 different problems here:
 249             //
 250             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 251             //    taskbar even if they don't have a parent
 252             //
 253             // 2. frames without this style should appear in the taskbar even
 254             //    if they're owned (Windows only puts non owned windows into
 255             //    the taskbar normally)
 256             //
 257             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 258             // first one is dealt with in our MSWGetParent() method
 259             // implementation
 260             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 261             {
 262                 // need to force the frame to appear in the taskbar
 263                 *exflags |= WS_EX_APPWINDOW;
 264             }
 265             //else: nothing to do [here]
 266         }
 267
 268         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 269             *exflags |= WS_EX_CONTEXTHELP;
 270 #endif // !__WXWINCE__
 271
 272         if ( style & wxSTAY_ON_TOP )
 273             *exflags |= WS_EX_TOPMOST;
 274     }
 275
 276     return msflags;
 277 }
 278
 279 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 280 {
 281     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 282     // parent HWND or it would be always on top of its parent which is not what
 283     // we usually want (in fact, we only want it for frames with the
 284     // wxFRAME_FLOAT_ON_PARENT flag)
 285     HWND hwndParent = NULL;
 286     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 287     {
 288         const wxWindow *parent = GetParent();
 289
 290         if ( !parent )
 291         {
 292             // this flag doesn't make sense then and will be ignored
 293             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 294         }
 295         else
 296         {
 297             hwndParent = GetHwndOf(parent);
 298         }
 299     }
 300     //else: don't float on parent, must not be owned
 301
 302     // now deal with the 2nd taskbar-related problem (see comments above in
 303     // MSWGetStyle())
 304     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 305     {
 306         // use hidden parent
 307         hwndParent = wxTLWHiddenParentModule::GetHWND();
 308     }
 309
 310     return (WXHWND)hwndParent;
 311 }
 312
 313 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 314                                        const wxString& title,
 315                                        const wxPoint& pos,
 316                                        const wxSize& size)
 317 {
 318 #ifdef __WXMICROWIN__
 319     // no dialogs support under MicroWin yet
 320     return CreateFrame(title, pos, size);
 321 #else // !__WXMICROWIN__
 322     wxWindow *parent = GetParent();
 323
 324     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 325     // app window as parent - this avoids creating modal dialogs without
 326     // parent
 327     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 328     {
 329         parent = wxTheApp->GetTopWindow();
 330
 331         if ( parent )
 332         {
 333             // don't use transient windows as parents, this is dangerous as it
 334             // can lead to a crash if the parent is destroyed before the child
 335             //
 336             // also don't use the window which is currently hidden as then the
 337             // dialog would be hidden as well
 338             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 339                     !parent->IsShown() )
 340             {
 341                 parent = NULL;
 342             }
 343         }
 344     }
 345
 346     m_hWnd = (WXHWND)::CreateDialogIndirect
 347                        (
 348                         wxGetInstance(),
 349                         (DLGTEMPLATE*)dlgTemplate,
 350                         parent ? GetHwndOf(parent) : NULL,
 351                         (DLGPROC)wxDlgProc
 352                        );
 353
 354     if ( !m_hWnd )
 355     {
 356         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 357
 358         wxLogSysError(wxT("Can't create dialog using memory template"));
 359
 360         return false;
 361     }
 362
 363     WXDWORD exflags;
 364     (void)MSWGetCreateWindowFlags(&exflags);
 365
 366     if ( exflags )
 367     {
 368         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 369         ::SetWindowPos(GetHwnd(),
 370                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 371                        0, 0, 0, 0,
 372                        SWP_NOSIZE |
 373                        SWP_NOMOVE |
 374                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 375                        SWP_NOACTIVATE);
 376     }
 377
 378 #if !defined(__WXWINCE__)
 379     // For some reason, the system menu is activated when we use the
 380     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 381     if ( exflags & WS_EX_CONTEXTHELP )
 382     {
 383         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 384         if ( winTop )
 385         {
 386             wxIcon icon = winTop->GetIcon();
 387             if ( icon.Ok() )
 388             {
 389                 ::SendMessage(GetHwnd(), WM_SETICON,
 390                               (WPARAM)TRUE,
 391                               (LPARAM)GetHiconOf(icon));
 392             }
 393         }
 394     }
 395 #endif
 396
 397     // move the dialog to its initial position without forcing repainting
 398     int x, y, w, h;
 399     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 400
 401     if ( x == (int)CW_USEDEFAULT )
 402     {
 403         // centre it on the screen - what else can we do?
 404         wxSize sizeDpy = wxGetDisplaySize();
 405
 406         x = (sizeDpy.x - w) / 2;
 407         y = (sizeDpy.y - h) / 2;
 408     }
 409
 410 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 411     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 412     {
 413         wxLogLastError(wxT("MoveWindow"));
 414     }
 415 #endif
 416
 417     if ( !title.empty() )
 418     {
 419         ::SetWindowText(GetHwnd(), title);
 420     }
 421
 422 #ifdef __POCKETPC__
 423     // Create an empty menubar so that we don't see the menubar underneath
 424     SHMENUBARINFO mbi;
 425
 426     memset (&mbi, 0, sizeof (SHMENUBARINFO));
 427     mbi.cbSize     = sizeof (SHMENUBARINFO);
 428     mbi.hwndParent = (HWND) GetParent()->GetHWND();
 429     mbi.nToolBarId = 5000;
 430     mbi.nBmpId     = 0;
 431     mbi.cBmpImages = 0;
 432     mbi.dwFlags = 0 ; // SHCMBF_EMPTYBAR;
 433     mbi.hInstRes = wxGetInstance();
 434
 435     if (!SHCreateMenuBar(&mbi))
 436     {
 437         wxFAIL_MSG( _T("SHCreateMenuBar failed") );
 438     }
 439
 440     m_menuBarHWND = (WXHWND) mbi.hwndMB;
 441 #endif
 442
 443     SubclassWin(m_hWnd);
 444
 445 #ifdef __SMARTPHONE__
 446     // Work around title non-display glitch
 447     Show(false);
 448 #endif
 449
 450     return true;
 451 #endif // __WXMICROWIN__/!__WXMICROWIN__
 452 }
 453
 454 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 455                                       const wxPoint& pos,
 456                                       const wxSize& size)
 457 {
 458     WXDWORD exflags;
 459     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 460
 461 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 462     defined(__POCKETPC__) || \
 463     defined(__SMARTPHONE__))
 464     // Always expand to fit the screen in PocketPC or SmartPhone
 465     wxSize sz(wxDefaultSize);
 466     wxUnusedVar(size);
 467 #else // other (including normal desktop) Windows
 468     wxSize sz(size);
 469 #endif
 470
 471     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 472
 473 #ifdef __SMARTPHONE__
 474     // Work around title non-display glitch
 475     Show(false);
 476 #endif
 477     return result;
 478 }
 479
 480 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 481                                  wxWindowID id,
 482                                  const wxString& title,
 483                                  const wxPoint& pos,
 484                                  const wxSize& size,
 485                                  long style,
 486                                  const wxString& name)
 487 {
 488     bool ret wxDUMMY_INITIALIZE(false);
 489
 490     // init our fields
 491     Init();
 492
 493     wxSize sizeReal = size;
 494     if ( !sizeReal.IsFullySpecified() )
 495     {
 496         sizeReal.SetDefaults(GetDefaultSize());
 497     }
 498
 499     m_windowStyle = style;
 500
 501     SetName(name);
 502
 503     m_windowId = id == wxID_ANY ? NewControlId() : id;
 504
 505     wxTopLevelWindows.Append(this);
 506
 507     if ( parent )
 508         parent->AddChild(this);
 509
 510     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 511     {
 512         // we have different dialog templates to allows creation of dialogs
 513         // with & without captions under MSWindows, resizeable or not (but a
 514         // resizeable dialog always has caption - otherwise it would look too
 515         // strange)
 516
 517         // we need 3 additional WORDs for dialog menu, class and title (as we
 518         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 519         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 520         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 521         memset(dlgTemplate, 0, dlgsize);
 522
 523         // these values are arbitrary, they won't be used normally anyhow
 524         dlgTemplate->x  = 34;
 525         dlgTemplate->y  = 22;
 526         dlgTemplate->cx = 144;
 527         dlgTemplate->cy = 75;
 528
 529         // reuse the code in MSWGetStyle() but correct the results slightly for
 530         // the dialog
 531         dlgTemplate->style = MSWGetStyle(style, NULL);
 532
 533         // all dialogs are popups
 534         dlgTemplate->style |= WS_POPUP;
 535
 536         // force 3D-look if necessary, it looks impossibly ugly otherwise
 537         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 538             dlgTemplate->style |= DS_MODALFRAME;
 539
 540         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 541         free(dlgTemplate);
 542     }
 543     else // !dialog
 544     {
 545         ret = CreateFrame(title, pos, sizeReal);
 546     }
 547
 548 #ifndef __WXWINCE__
 549     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 550     {
 551         EnableCloseButton(false);
 552     }
 553 #endif
 554
 555     // for some reason we need to manually send ourselves this message as
 556     // otherwise the mnemonics are always shown -- even if they're configured
 557     // to be hidden until "Alt" is pressed in the control panel
 558     //
 559     // this could indicate a bug somewhere else but for now this is the only
 560     // fix we have
 561     if ( ret )
 562     {
 563         ::SendMessage
 564         (
 565             GetHwnd(),
 566             WM_UPDATEUISTATE,
 567             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 568             0
 569         );
 570     }
 571
 572     // Native look is full screen window on Smartphones and Standard SDK.
 573     // TODO: check that we need this (if we're passing default values to ctor).
 574     // Also check that there really is a difference between PocketPC and Smartphone in this regard.
 575 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 576     if ( style & wxMAXIMIZE )
 577     {
 578         this->Maximize();
 579     }
 580 #endif
 581
 582 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 583     SetRightMenu(); // to nothing for initialization
 584 #endif
 585
 586     return ret;
 587 }
 588
 589 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 590 {
 591 #ifdef __POCKETPC__
 592     // Destroy the dummy menubar for dialogs
 593     if (m_menuBarHWND)
 594     {
 595         ::DestroyWindow((HWND) m_menuBarHWND);
 596         m_menuBarHWND = 0;
 597     }
 598 #endif
 599
 600     // after destroying an owned window, Windows activates the next top level
 601     // window in Z order but it may be different from our owner (to reproduce
 602     // this simply Alt-TAB to another application and back before closing the
 603     // owned frame) whereas we always want to yield activation to our parent
 604     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 605     {
 606         wxWindow *parent = GetParent();
 607         if ( parent )
 608         {
 609             ::BringWindowToTop(GetHwndOf(parent));
 610         }
 611     }
 612 }
 613
 614 // ----------------------------------------------------------------------------
 615 // wxTopLevelWindowMSW showing
 616 // ----------------------------------------------------------------------------
 617
 618 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 619 {
 620     ::ShowWindow(GetHwnd(), nShowCmd);
 621
 622     m_iconized = nShowCmd == SW_MINIMIZE;
 623 }
 624
 625 bool wxTopLevelWindowMSW::Show(bool show)
 626 {
 627     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 628     if ( !wxWindowBase::Show(show) )
 629         return false;
 630
 631     int nShowCmd;
 632     if ( show )
 633     {
 634         if ( m_maximizeOnShow )
 635         {
 636             // show and maximize
 637             nShowCmd = SW_MAXIMIZE;
 638
 639             // This is necessary, or no window appears
 640 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 641             DoShowWindow(SW_SHOW);
 642 #endif
 643
 644             m_maximizeOnShow = false;
 645         }
 646         else // just show
 647         {
 648            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 649                nShowCmd = SW_SHOWNA;
 650            else
 651                nShowCmd = SW_SHOW;
 652         }
 653     }
 654     else // hide
 655     {
 656         nShowCmd = SW_HIDE;
 657     }
 658
 659     DoShowWindow(nShowCmd);
 660
 661 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 662     // Addornments have to be added when the frame is the correct size
 663     wxFrame* frame = wxDynamicCast(this, wxFrame);
 664     if (frame && frame->GetMenuBar())
 665         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 666 #endif
 667
 668     if ( show )
 669     {
 670         ::BringWindowToTop(GetHwnd());
 671
 672         wxActivateEvent event(wxEVT_ACTIVATE, true, m_windowId);
 673         event.SetEventObject( this );
 674         GetEventHandler()->ProcessEvent(event);
 675     }
 676     else // hide
 677     {
 678         // Try to highlight the correct window (the parent)
 679         if ( GetParent() )
 680         {
 681             HWND hWndParent = GetHwndOf(GetParent());
 682             if (hWndParent)
 683                 ::BringWindowToTop(hWndParent);
 684         }
 685     }
 686
 687     return true;
 688 }
 689
 690 // ----------------------------------------------------------------------------
 691 // wxTopLevelWindowMSW maximize/minimize
 692 // ----------------------------------------------------------------------------
 693
 694 void wxTopLevelWindowMSW::Maximize(bool maximize)
 695 {
 696     if ( IsShown() )
 697     {
 698         // just maximize it directly
 699         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 700     }
 701     else // hidden
 702     {
 703         // we can't maximize the hidden frame because it shows it as well, so
 704         // just remember that we should do it later in this case
 705         m_maximizeOnShow = maximize;
 706     }
 707 }
 708
 709 bool wxTopLevelWindowMSW::IsMaximized() const
 710 {
 711 #ifdef __WXWINCE__
 712     return false;
 713 #else
 714     return ::IsZoomed(GetHwnd()) != 0;
 715 #endif
 716 }
 717
 718 void wxTopLevelWindowMSW::Iconize(bool iconize)
 719 {
 720     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 721 }
 722
 723 bool wxTopLevelWindowMSW::IsIconized() const
 724 {
 725 #ifdef __WXWINCE__
 726     return false;
 727 #else
 728     // also update the current state
 729     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 730
 731     return m_iconized;
 732 #endif
 733 }
 734
 735 void wxTopLevelWindowMSW::Restore()
 736 {
 737     DoShowWindow(SW_RESTORE);
 738 }
 739
 740 // ----------------------------------------------------------------------------
 741 // wxTopLevelWindowMSW fullscreen
 742 // ----------------------------------------------------------------------------
 743
 744 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 745 {
 746     if ( show == IsFullScreen() )
 747     {
 748         // nothing to do
 749         return true;
 750     }
 751
 752     m_fsIsShowing = show;
 753
 754     if ( show )
 755     {
 756         m_fsStyle = style;
 757
 758         // zap the frame borders
 759
 760         // save the 'normal' window style
 761         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 762
 763         // save the old position, width & height, maximize state
 764         m_fsOldSize = GetRect();
 765         m_fsIsMaximized = IsMaximized();
 766
 767         // decide which window style flags to turn off
 768         LONG newStyle = m_fsOldWindowStyle;
 769         LONG offFlags = 0;
 770
 771         if (style & wxFULLSCREEN_NOBORDER)
 772         {
 773             offFlags |= WS_BORDER;
 774 #ifndef __WXWINCE__
 775             offFlags |= WS_THICKFRAME;
 776 #endif
 777         }
 778         if (style & wxFULLSCREEN_NOCAPTION)
 779             offFlags |= WS_CAPTION | WS_SYSMENU;
 780
 781         newStyle &= ~offFlags;
 782
 783         // change our window style to be compatible with full-screen mode
 784         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 785
 786         wxRect rect;
 787 #if wxUSE_DISPLAY
 788         // resize to the size of the display containing us
 789         int dpy = wxDisplay::GetFromWindow(this);
 790         if ( dpy != wxNOT_FOUND )
 791         {
 792             rect = wxDisplay(dpy).GetGeometry();
 793         }
 794         else // fall back to the main desktop
 795 #else // wxUSE_DISPLAY
 796         {
 797             // resize to the size of the desktop
 798             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 799 #ifdef __WXWINCE__
 800             // FIXME: size of the bottom menu (toolbar)
 801             // should be taken in account
 802             rect.height += rect.y;
 803             rect.y       = 0;
 804 #endif
 805         }
 806 #endif // wxUSE_DISPLAY
 807
 808         SetSize(rect);
 809
 810         // now flush the window style cache and actually go full-screen
 811         long flags = SWP_FRAMECHANGED;
 812
 813         // showing the frame full screen should also show it if it's still
 814         // hidden
 815         if ( !IsShown() )
 816         {
 817             // don't call wxWindow version to avoid flicker from calling
 818             // ::ShowWindow() -- we're going to show the window at the correct
 819             // location directly below -- but do call the wxWindowBase version
 820             // to sync the internal m_isShown flag
 821             wxWindowBase::Show();
 822
 823             flags |= SWP_SHOWWINDOW;
 824         }
 825
 826         SetWindowPos(GetHwnd(), HWND_TOP,
 827                      rect.x, rect.y, rect.width, rect.height,
 828                      flags);
 829
 830 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 831         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 832 #endif
 833
 834         // finally send an event allowing the window to relayout itself &c
 835         wxSizeEvent event(rect.GetSize(), GetId());
 836         GetEventHandler()->ProcessEvent(event);
 837     }
 838     else // stop showing full screen
 839     {
 840 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 841         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 842 #endif
 843         Maximize(m_fsIsMaximized);
 844         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 845         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 846             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 847     }
 848
 849     return true;
 850 }
 851
 852 // ----------------------------------------------------------------------------
 853 // wxTopLevelWindowMSW misc
 854 // ----------------------------------------------------------------------------
 855
 856 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 857 {
 858     SetIcons( wxIconBundle( icon ) );
 859 }
 860
 861 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 862 {
 863     wxTopLevelWindowBase::SetIcons(icons);
 864
 865 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 866     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 867     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 868     {
 869         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 870                        (LPARAM)GetHiconOf(sml) );
 871     }
 872
 873     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 874     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 875     {
 876         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 877                        (LPARAM)GetHiconOf(big) );
 878     }
 879 #endif // __WIN95__
 880 }
 881
 882 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 883 {
 884 #if !defined(__WXMICROWIN__)
 885     // get system (a.k.a. window) menu
 886     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 887     if ( !hmenu )
 888     {
 889         // no system menu at all -- ok if we want to remove the close button
 890         // anyhow, but bad if we want to show it
 891         return !enable;
 892     }
 893
 894     // enabling/disabling the close item from it also automatically
 895     // disables/enables the close title bar button
 896     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 897                           MF_BYCOMMAND |
 898                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 899     {
 900         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 901
 902         return false;
 903     }
 904 #ifndef __WXWINCE__
 905     // update appearance immediately
 906     if ( !::DrawMenuBar(GetHwnd()) )
 907     {
 908         wxLogLastError(_T("DrawMenuBar"));
 909     }
 910 #endif
 911 #endif // !__WXMICROWIN__
 912
 913     return true;
 914 }
 915
 916 #ifndef __WXWINCE__
 917
 918 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 919 {
 920     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 921                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 922
 923     // The empty region signifies that the shape should be removed from the
 924     // window.
 925     if ( region.IsEmpty() )
 926     {
 927         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 928         {
 929             wxLogLastError(_T("SetWindowRgn"));
 930             return false;
 931         }
 932         return true;
 933     }
 934
 935     // Windows takes ownership of the region, so
 936     // we'll have to make a copy of the region to give to it.
 937     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 938     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 939     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 940     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 941     delete[] (char*) rgnData;
 942
 943     // SetWindowRgn expects the region to be in coordinants
 944     // relative to the window, not the client area.  Figure
 945     // out the offset, if any.
 946     RECT rect;
 947     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 948     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 949     ::GetClientRect(GetHwnd(), &rect);
 950     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 951     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 952
 953     // Now call the shape API with the new region.
 954     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 955     {
 956         wxLogLastError(_T("SetWindowRgn"));
 957         return false;
 958     }
 959     return true;
 960 }
 961
 962 #endif // !__WXWINCE__
 963
 964 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 965 {
 966     // check if we can use FlashWindowEx(): unfortunately an explicit test for
 967     // FLASHW_STOP, for example, doesn't work because MSVC6 headers do #define
 968     // it but don't provide FlashWindowEx() declaration
 969 #if (WINVER >= 0x0500 && (defined FLASHW_STOP))
 970     // available in the headers, check if it is supported by the system
 971     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 972     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 973     if ( !s_pfnFlashWindowEx )
 974     {
 975         wxDynamicLibrary dllUser32(_T("user32.dll"));
 976         s_pfnFlashWindowEx = (FlashWindowEx_t)
 977                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 978
 979         // we can safely unload user32.dll here, it's goign to remain loaded as
 980         // long as the program is running anyhow
 981     }
 982
 983     if ( s_pfnFlashWindowEx )
 984     {
 985         WinStruct<FLASHWINFO> fwi;
 986         fwi.hwnd = GetHwnd();
 987         fwi.dwFlags = FLASHW_ALL;
 988         if ( flags & wxUSER_ATTENTION_INFO )
 989         {
 990             // just flash a few times
 991             fwi.uCount = 3;
 992         }
 993         else // wxUSER_ATTENTION_ERROR
 994         {
 995             // flash until the user notices it
 996             fwi.dwFlags |= FLASHW_TIMERNOFG;
 997         }
 998
 999         s_pfnFlashWindowEx(&fwi);
1000     }
1001     else // FlashWindowEx() not available
1002 #endif // FlashWindowEx() defined
1003     {
1004         wxUnusedVar(flags);
1005 #ifndef __WXWINCE__
1006         ::FlashWindow(GetHwnd(), TRUE);
1007 #endif // __WXWINCE__
1008     }
1009 }
1010
1011 // ----------------------------------------------------------------------------
1012 // wxTopLevelWindow event handling
1013 // ----------------------------------------------------------------------------
1014
1015 // Default activation behaviour - set the focus for the first child
1016 // subwindow found.
1017 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1018 {
1019     if ( event.GetActive() )
1020     {
1021         // restore focus to the child which was last focused unless we already
1022         // have it
1023         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1024
1025         wxWindow *winFocus = FindFocus();
1026         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1027         {
1028             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1029                                                 : NULL;
1030             if ( !parent )
1031             {
1032                 parent = this;
1033             }
1034
1035             wxSetFocusToChild(parent, &m_winLastFocused);
1036         }
1037     }
1038     else // deactivating
1039     {
1040         // remember the last focused child if it is our child
1041         m_winLastFocused = FindFocus();
1042
1043         if ( m_winLastFocused )
1044         {
1045             // let it know that it doesn't have focus any more
1046             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1047
1048             // and don't remember it if it's a child from some other frame
1049             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1050             {
1051                 m_winLastFocused = NULL;
1052             }
1053         }
1054
1055         wxLogTrace(_T("focus"),
1056                    _T("wxTLW %08x deactivated, last focused: %08x."),
1057                    (int) m_hWnd,
1058                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1059                                            : NULL));
1060
1061         event.Skip();
1062     }
1063 }
1064
1065 // the DialogProc for all wxWidgets dialogs
1066 LONG APIENTRY _EXPORT
1067 wxDlgProc(HWND hDlg,
1068           UINT message,
1069           WPARAM WXUNUSED(wParam),
1070           LPARAM WXUNUSED(lParam))
1071 {
1072     if ( message == WM_INITDIALOG )
1073     {
1074         // under CE, add a "Ok" button in the dialog title bar and make it full
1075         // screen
1076         //
1077         // TODO: find the window for this HWND, and take into account
1078         // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1079         //
1080         // Standard SDK doesn't have aygshell.dll: see
1081         // include/wx/msw/wince/libraries.h
1082 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1083         SHINITDLGINFO shidi;
1084         shidi.dwMask = SHIDIM_FLAGS;
1085         shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1086 #ifndef __SMARTPHONE__
1087                         | SHIDIF_DONEBUTTON
1088 #endif
1089                         ;
1090         shidi.hDlg = hDlg;
1091         SHInitDialog( &shidi );
1092 #else // no SHInitDialog()
1093         wxUnusedVar(hDlg);
1094 #endif
1095     }
1096
1097     // for almost all messages, returning FALSE means that we didn't process
1098     // the message
1099     //
1100     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1101     // the first control in the dialog box, but as we set the focus
1102     // ourselves, we return FALSE for it as well
1103     return FALSE;
1104 }
1105
1106 // ============================================================================
1107 // wxTLWHiddenParentModule implementation
1108 // ============================================================================
1109
1110 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1111
1112 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1113
1114 bool wxTLWHiddenParentModule::OnInit()
1115 {
1116     ms_hwnd = NULL;
1117     ms_className = NULL;
1118
1119     return true;
1120 }
1121
1122 void wxTLWHiddenParentModule::OnExit()
1123 {
1124     if ( ms_hwnd )
1125     {
1126         if ( !::DestroyWindow(ms_hwnd) )
1127         {
1128             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1129         }
1130
1131         ms_hwnd = NULL;
1132     }
1133
1134     if ( ms_className )
1135     {
1136         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1137         {
1138             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1139         }
1140
1141         ms_className = NULL;
1142     }
1143 }
1144
1145 /* static */
1146 HWND wxTLWHiddenParentModule::GetHWND()
1147 {
1148     if ( !ms_hwnd )
1149     {
1150         if ( !ms_className )
1151         {
1152             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1153
1154             WNDCLASS wndclass;
1155             wxZeroMemory(wndclass);
1156
1157             wndclass.lpfnWndProc   = DefWindowProc;
1158             wndclass.hInstance     = wxGetInstance();
1159             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1160
1161             if ( !::RegisterClass(&wndclass) )
1162             {
1163                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1164             }
1165             else
1166             {
1167                 ms_className = HIDDEN_PARENT_CLASS;
1168             }
1169         }
1170
1171         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1172                                  (HMENU)NULL, wxGetInstance(), NULL);
1173         if ( !ms_hwnd )
1174         {
1175             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1176         }
1177     }
1178
1179     return ms_hwnd;
1180 }
1181
1182