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 #ifndef WX_PRECOMP
  28     #include "wx/app.h"
  29     #include "wx/toplevel.h"
  30     #include "wx/dialog.h"
  31     #include "wx/string.h"
  32     #include "wx/log.h"
  33     #include "wx/intl.h"
  34     #include "wx/frame.h"
  35     #include "wx/containr.h"        // wxSetFocusToChild()
  36 #endif //WX_PRECOMP
  37
  38 #include "wx/module.h"
  39 #include "wx/dynlib.h"
  40
  41 #include "wx/msw/private.h"
  42 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  43   #include <ole2.h>
  44   #include <shellapi.h>
  45   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  46   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  47     #include <aygshell.h>
  48   #endif
  49 #include "wx/msw/wince/missing.h"
  50 #endif
  51
  52 #include "wx/msw/missing.h"
  53 #include "wx/msw/winundef.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 // globals
  83 // ----------------------------------------------------------------------------
  84
  85 // the name of the default wxWidgets class
  86 #ifdef __WXWINCE__
  87 extern       wxChar *wxCanvasClassName;
  88 #else
  89 extern const wxChar *wxCanvasClassName;
  90 #endif
  91
  92 // ----------------------------------------------------------------------------
  93 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  94 // module to ensure that the window is always deleted)
  95 // ----------------------------------------------------------------------------
  96
  97 class wxTLWHiddenParentModule : public wxModule
  98 {
  99 public:
 100     // module init/finalize
 101     virtual bool OnInit();
 102     virtual void OnExit();
 103
 104     // get the hidden window (creates on demand)
 105     static HWND GetHWND();
 106
 107 private:
 108     // the HWND of the hidden parent
 109     static HWND ms_hwnd;
 110
 111     // the class used to create it
 112     static const wxChar *ms_className;
 113
 114     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 115 };
 116
 117 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 118
 119 // ============================================================================
 120 // wxTopLevelWindowMSW implementation
 121 // ============================================================================
 122
 123 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 124     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 125 END_EVENT_TABLE()
 126
 127 // ----------------------------------------------------------------------------
 128 // wxTopLevelWindowMSW creation
 129 // ----------------------------------------------------------------------------
 130
 131 void wxTopLevelWindowMSW::Init()
 132 {
 133     m_iconized =
 134     m_maximizeOnShow = false;
 135
 136     // Data to save/restore when calling ShowFullScreen
 137     m_fsStyle = 0;
 138     m_fsOldWindowStyle = 0;
 139     m_fsIsMaximized = false;
 140     m_fsIsShowing = false;
 141
 142     m_winLastFocused = (wxWindow *)NULL;
 143
 144 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 145     m_MenuBarHWND = 0;
 146 #endif
 147
 148 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 149     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 150     wxZeroMemory(*info);
 151     info->cbSize = sizeof(SHACTIVATEINFO);
 152
 153     m_activateInfo = (void*) info;
 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 #ifndef __POCKETPC__
 189     else
 190         msflags |= WS_POPUP;
 191 #endif
 192 #endif
 193
 194     // normally we consider that all windows without a caption must be popups,
 195     // but CE is an exception: there windows normally do not have the caption
 196     // but shouldn't be made popups as popups can't have menus and don't look
 197     // like normal windows anyhow
 198
 199     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 200     // we need it.
 201 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 202     if ( style & wxCAPTION )
 203         msflags |= WS_CAPTION;
 204 #ifndef __WXWINCE__
 205     else
 206         msflags |= WS_POPUP;
 207 #endif // !__WXWINCE__
 208 #endif
 209
 210     // next translate the individual flags
 211     if ( style & wxMINIMIZE_BOX )
 212         msflags |= WS_MINIMIZEBOX;
 213     if ( style & wxMAXIMIZE_BOX )
 214         msflags |= WS_MAXIMIZEBOX;
 215
 216 #ifndef __WXWINCE__
 217     if ( style & wxSYSTEM_MENU )
 218         msflags |= WS_SYSMENU;
 219 #endif
 220
 221     // NB: under CE these 2 styles are not supported currently, we should
 222     //     call Minimize()/Maximize() "manually" if we want to support them
 223     if ( style & wxMINIMIZE )
 224         msflags |= WS_MINIMIZE;
 225
 226 #if !defined(__POCKETPC__)
 227     if ( style & wxMAXIMIZE )
 228         msflags |= WS_MAXIMIZE;
 229 #endif
 230
 231     // Keep this here because it saves recoding this function in wxTinyFrame
 232     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 233         msflags |= WS_CAPTION;
 234
 235     if ( exflags )
 236     {
 237         // there is no taskbar under CE, so omit all this
 238 #if !defined(__WXWINCE__)
 239         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 240         {
 241             if ( style & wxFRAME_TOOL_WINDOW )
 242             {
 243                 // create the palette-like window
 244                 *exflags |= WS_EX_TOOLWINDOW;
 245
 246                 // tool windows shouldn't appear on the taskbar (as documented)
 247                 style |= wxFRAME_NO_TASKBAR;
 248             }
 249
 250             // We have to solve 2 different problems here:
 251             //
 252             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 253             //    taskbar even if they don't have a parent
 254             //
 255             // 2. frames without this style should appear in the taskbar even
 256             //    if they're owned (Windows only puts non owned windows into
 257             //    the taskbar normally)
 258             //
 259             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 260             // first one is dealt with in our MSWGetParent() method
 261             // implementation
 262             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 263             {
 264                 // need to force the frame to appear in the taskbar
 265                 *exflags |= WS_EX_APPWINDOW;
 266             }
 267             //else: nothing to do [here]
 268         }
 269
 270         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 271             *exflags |= WS_EX_CONTEXTHELP;
 272 #endif // !__WXWINCE__
 273
 274         if ( style & wxSTAY_ON_TOP )
 275             *exflags |= WS_EX_TOPMOST;
 276     }
 277
 278     return msflags;
 279 }
 280
 281 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 282 {
 283     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 284     // parent HWND or it would be always on top of its parent which is not what
 285     // we usually want (in fact, we only want it for frames with the
 286     // wxFRAME_FLOAT_ON_PARENT flag)
 287     HWND hwndParent = NULL;
 288     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 289     {
 290         const wxWindow *parent = GetParent();
 291
 292         if ( !parent )
 293         {
 294             // this flag doesn't make sense then and will be ignored
 295             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 296         }
 297         else
 298         {
 299             hwndParent = GetHwndOf(parent);
 300         }
 301     }
 302     //else: don't float on parent, must not be owned
 303
 304     // now deal with the 2nd taskbar-related problem (see comments above in
 305     // MSWGetStyle())
 306     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 307     {
 308         // use hidden parent
 309         hwndParent = wxTLWHiddenParentModule::GetHWND();
 310     }
 311
 312     return (WXHWND)hwndParent;
 313 }
 314
 315 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 316 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 317 {
 318     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 319     if ( info )
 320     {
 321         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 322     }
 323
 324     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 325 }
 326 #endif
 327
 328 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 329 {
 330     WXLRESULT rc = 0;
 331     bool processed = false;
 332
 333 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 334     switch ( message )
 335     {
 336         case WM_ACTIVATE:
 337         {
 338             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 339             if (info)
 340             {
 341                 DWORD flags = 0;
 342                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 343                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 344             }
 345
 346             // This implicitly sends a wxEVT_ACTIVATE_APP event
 347             if (wxTheApp)
 348                 wxTheApp->SetActive(wParam != 0, FindFocus());
 349
 350             break;
 351         }
 352         case WM_HIBERNATE:
 353         {
 354             if (wxTheApp)
 355             {
 356                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 357                 event.SetEventObject(wxTheApp);
 358                 processed = wxTheApp->ProcessEvent(event);
 359             }
 360             break;
 361         }
 362     }
 363 #endif
 364
 365     if ( !processed )
 366         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 367
 368     return rc;
 369 }
 370
 371 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 372                                        const wxString& title,
 373                                        const wxPoint& pos,
 374                                        const wxSize& size)
 375 {
 376 #ifdef __WXMICROWIN__
 377     // no dialogs support under MicroWin yet
 378     return CreateFrame(title, pos, size);
 379 #else // !__WXMICROWIN__
 380     wxWindow *parent = GetParent();
 381
 382     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 383     // app window as parent - this avoids creating modal dialogs without
 384     // parent
 385     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 386     {
 387         parent = wxTheApp->GetTopWindow();
 388
 389         if ( parent )
 390         {
 391             // don't use transient windows as parents, this is dangerous as it
 392             // can lead to a crash if the parent is destroyed before the child
 393             //
 394             // also don't use the window which is currently hidden as then the
 395             // dialog would be hidden as well
 396             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 397                     !parent->IsShown() )
 398             {
 399                 parent = NULL;
 400             }
 401         }
 402     }
 403
 404     m_hWnd = (WXHWND)::CreateDialogIndirect
 405                        (
 406                         wxGetInstance(),
 407                         (DLGTEMPLATE*)dlgTemplate,
 408                         parent ? GetHwndOf(parent) : NULL,
 409                         (DLGPROC)wxDlgProc
 410                        );
 411
 412     if ( !m_hWnd )
 413     {
 414         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 415
 416         wxLogSysError(wxT("Can't create dialog using memory template"));
 417
 418         return false;
 419     }
 420
 421     WXDWORD exflags;
 422     (void)MSWGetCreateWindowFlags(&exflags);
 423
 424     if ( exflags )
 425     {
 426         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 427         ::SetWindowPos(GetHwnd(),
 428                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 429                        0, 0, 0, 0,
 430                        SWP_NOSIZE |
 431                        SWP_NOMOVE |
 432                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 433                        SWP_NOACTIVATE);
 434     }
 435
 436 #if !defined(__WXWINCE__)
 437     // For some reason, the system menu is activated when we use the
 438     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 439     if ( exflags & WS_EX_CONTEXTHELP )
 440     {
 441         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 442         if ( winTop )
 443         {
 444             wxIcon icon = winTop->GetIcon();
 445             if ( icon.Ok() )
 446             {
 447                 ::SendMessage(GetHwnd(), WM_SETICON,
 448                               (WPARAM)TRUE,
 449                               (LPARAM)GetHiconOf(icon));
 450             }
 451         }
 452     }
 453 #endif
 454
 455     // move the dialog to its initial position without forcing repainting
 456     int x, y, w, h;
 457     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 458
 459     if ( x == (int)CW_USEDEFAULT )
 460     {
 461         // centre it on the screen - what else can we do?
 462         wxSize sizeDpy = wxGetDisplaySize();
 463
 464         x = (sizeDpy.x - w) / 2;
 465         y = (sizeDpy.y - h) / 2;
 466     }
 467
 468 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 469     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 470     {
 471         wxLogLastError(wxT("MoveWindow"));
 472     }
 473 #endif
 474
 475     if ( !title.empty() )
 476     {
 477         ::SetWindowText(GetHwnd(), title);
 478     }
 479
 480     SubclassWin(m_hWnd);
 481
 482 #ifdef __SMARTPHONE__
 483     // Work around title non-display glitch
 484     Show(false);
 485 #endif
 486
 487     return true;
 488 #endif // __WXMICROWIN__/!__WXMICROWIN__
 489 }
 490
 491 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 492                                       const wxPoint& pos,
 493                                       const wxSize& size)
 494 {
 495     WXDWORD exflags;
 496     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 497
 498 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 499     defined(__POCKETPC__) || \
 500     defined(__SMARTPHONE__))
 501     // Always expand to fit the screen in PocketPC or SmartPhone
 502     wxSize sz(wxDefaultSize);
 503     wxUnusedVar(size);
 504 #else // other (including normal desktop) Windows
 505     wxSize sz(size);
 506 #endif
 507
 508     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 509
 510     return result;
 511 }
 512
 513 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 514                                  wxWindowID id,
 515                                  const wxString& title,
 516                                  const wxPoint& pos,
 517                                  const wxSize& size,
 518                                  long style,
 519                                  const wxString& name)
 520 {
 521     bool ret wxDUMMY_INITIALIZE(false);
 522
 523     // init our fields
 524     Init();
 525
 526     wxSize sizeReal = size;
 527     if ( !sizeReal.IsFullySpecified() )
 528     {
 529         sizeReal.SetDefaults(GetDefaultSize());
 530     }
 531
 532     m_windowStyle = style;
 533
 534     SetName(name);
 535
 536     m_windowId = id == wxID_ANY ? NewControlId() : id;
 537
 538     wxTopLevelWindows.Append(this);
 539
 540     if ( parent )
 541         parent->AddChild(this);
 542
 543     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 544     {
 545         // we have different dialog templates to allows creation of dialogs
 546         // with & without captions under MSWindows, resizeable or not (but a
 547         // resizeable dialog always has caption - otherwise it would look too
 548         // strange)
 549
 550         // we need 3 additional WORDs for dialog menu, class and title (as we
 551         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 552         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 553         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 554         memset(dlgTemplate, 0, dlgsize);
 555
 556         // these values are arbitrary, they won't be used normally anyhow
 557         dlgTemplate->x  = 34;
 558         dlgTemplate->y  = 22;
 559         dlgTemplate->cx = 144;
 560         dlgTemplate->cy = 75;
 561
 562         // reuse the code in MSWGetStyle() but correct the results slightly for
 563         // the dialog
 564         dlgTemplate->style = MSWGetStyle(style, NULL);
 565
 566         // all dialogs are popups
 567         dlgTemplate->style |= WS_POPUP;
 568
 569 #ifndef __WXWINCE__
 570         // force 3D-look if necessary, it looks impossibly ugly otherwise
 571         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 572             dlgTemplate->style |= DS_MODALFRAME;
 573 #endif
 574
 575         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 576         free(dlgTemplate);
 577     }
 578     else // !dialog
 579     {
 580         ret = CreateFrame(title, pos, sizeReal);
 581     }
 582
 583 #ifndef __WXWINCE__
 584     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 585     {
 586         EnableCloseButton(false);
 587     }
 588 #endif
 589
 590     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 591     // itself but for custom windows we have to do it ourselves in order to
 592     // make the keyboard indicators (such as underlines for accelerators and
 593     // focus rectangles) work under Win2k+
 594     if ( ret )
 595     {
 596         MSWUpdateUIState(UIS_INITIALIZE);
 597     }
 598
 599     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 600     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 601 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 602     if ( style & wxMAXIMIZE )
 603     {
 604         this->Maximize();
 605     }
 606 #endif
 607
 608 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 609     SetRightMenu(); // to nothing for initialization
 610 #endif
 611
 612     return ret;
 613 }
 614
 615 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 616 {
 617 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 618     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 619     delete info;
 620     m_activateInfo = NULL;
 621 #endif
 622
 623     // after destroying an owned window, Windows activates the next top level
 624     // window in Z order but it may be different from our owner (to reproduce
 625     // this simply Alt-TAB to another application and back before closing the
 626     // owned frame) whereas we always want to yield activation to our parent
 627     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 628     {
 629         wxWindow *parent = GetParent();
 630         if ( parent )
 631         {
 632             ::BringWindowToTop(GetHwndOf(parent));
 633         }
 634     }
 635 }
 636
 637 // ----------------------------------------------------------------------------
 638 // wxTopLevelWindowMSW showing
 639 // ----------------------------------------------------------------------------
 640
 641 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 642 {
 643     ::ShowWindow(GetHwnd(), nShowCmd);
 644
 645     m_iconized = nShowCmd == SW_MINIMIZE;
 646 }
 647
 648 bool wxTopLevelWindowMSW::Show(bool show)
 649 {
 650     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 651     if ( !wxWindowBase::Show(show) )
 652         return false;
 653
 654     int nShowCmd;
 655     if ( show )
 656     {
 657         if ( m_maximizeOnShow )
 658         {
 659             // show and maximize
 660             nShowCmd = SW_MAXIMIZE;
 661
 662             // This is necessary, or no window appears
 663 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 664             DoShowWindow(SW_SHOW);
 665 #endif
 666
 667             m_maximizeOnShow = false;
 668         }
 669         else // just show
 670         {
 671            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 672                nShowCmd = SW_SHOWNA;
 673            else
 674                nShowCmd = SW_SHOW;
 675         }
 676     }
 677     else // hide
 678     {
 679         nShowCmd = SW_HIDE;
 680     }
 681
 682     DoShowWindow(nShowCmd);
 683
 684 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 685     // Addornments have to be added when the frame is the correct size
 686     wxFrame* frame = wxDynamicCast(this, wxFrame);
 687     if (frame && frame->GetMenuBar())
 688         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 689 #endif
 690
 691     return true;
 692 }
 693
 694 // ----------------------------------------------------------------------------
 695 // wxTopLevelWindowMSW maximize/minimize
 696 // ----------------------------------------------------------------------------
 697
 698 void wxTopLevelWindowMSW::Maximize(bool maximize)
 699 {
 700     if ( IsShown() )
 701     {
 702         // just maximize it directly
 703         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 704     }
 705     else // hidden
 706     {
 707         // we can't maximize the hidden frame because it shows it as well,
 708         // so just remember that we should do it later in this case
 709         m_maximizeOnShow = maximize;
 710
 711         // after calling Maximize() the client code expects to get the frame
 712         // "real" size and doesn't want to know that, because of implementation
 713         // details, the frame isn't really maximized yet but will be only once
 714         // it's shown, so return our size as it will be then in this case
 715         if ( maximize )
 716         {
 717             // unfortunately we don't know which display we're on yet so we
 718             // have to use the default one
 719             SetSize(wxGetClientDisplayRect().GetSize());
 720         }
 721         //else: can't do anything in this case, we don't have the old size
 722     }
 723 }
 724
 725 bool wxTopLevelWindowMSW::IsMaximized() const
 726 {
 727 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 728     return true;
 729 #else
 730     return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
 731 #endif
 732 }
 733
 734 void wxTopLevelWindowMSW::Iconize(bool iconize)
 735 {
 736     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 737 }
 738
 739 bool wxTopLevelWindowMSW::IsIconized() const
 740 {
 741 #ifdef __WXWINCE__
 742     return false;
 743 #else
 744     // don't use m_iconized, it may be briefly out of sync with the real state
 745     // as it's only modified when we receive a WM_SIZE and we could be called
 746     // from an event handler from one of the messages we receive before it,
 747     // such as WM_MOVE
 748     return ::IsIconic(GetHwnd()) != 0;
 749 #endif
 750 }
 751
 752 void wxTopLevelWindowMSW::Restore()
 753 {
 754     DoShowWindow(SW_RESTORE);
 755 }
 756
 757 // ----------------------------------------------------------------------------
 758 // wxTopLevelWindowMSW fullscreen
 759 // ----------------------------------------------------------------------------
 760
 761 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 762 {
 763     if ( show == IsFullScreen() )
 764     {
 765         // nothing to do
 766         return true;
 767     }
 768
 769     m_fsIsShowing = show;
 770
 771     if ( show )
 772     {
 773         m_fsStyle = style;
 774
 775         // zap the frame borders
 776
 777         // save the 'normal' window style
 778         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 779
 780         // save the old position, width & height, maximize state
 781         m_fsOldSize = GetRect();
 782         m_fsIsMaximized = IsMaximized();
 783
 784         // decide which window style flags to turn off
 785         LONG newStyle = m_fsOldWindowStyle;
 786         LONG offFlags = 0;
 787
 788         if (style & wxFULLSCREEN_NOBORDER)
 789         {
 790             offFlags |= WS_BORDER;
 791 #ifndef __WXWINCE__
 792             offFlags |= WS_THICKFRAME;
 793 #endif
 794         }
 795         if (style & wxFULLSCREEN_NOCAPTION)
 796             offFlags |= WS_CAPTION | WS_SYSMENU;
 797
 798         newStyle &= ~offFlags;
 799
 800         // change our window style to be compatible with full-screen mode
 801         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 802
 803         wxRect rect;
 804 #if wxUSE_DISPLAY
 805         // resize to the size of the display containing us
 806         int dpy = wxDisplay::GetFromWindow(this);
 807         if ( dpy != wxNOT_FOUND )
 808         {
 809             rect = wxDisplay(dpy).GetGeometry();
 810         }
 811         else // fall back to the main desktop
 812 #endif // wxUSE_DISPLAY
 813         {
 814             // resize to the size of the desktop
 815             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 816 #ifdef __WXWINCE__
 817             // FIXME: size of the bottom menu (toolbar)
 818             // should be taken in account
 819             rect.height += rect.y;
 820             rect.y       = 0;
 821 #endif
 822         }
 823
 824         SetSize(rect);
 825
 826         // now flush the window style cache and actually go full-screen
 827         long flags = SWP_FRAMECHANGED;
 828
 829         // showing the frame full screen should also show it if it's still
 830         // hidden
 831         if ( !IsShown() )
 832         {
 833             // don't call wxWindow version to avoid flicker from calling
 834             // ::ShowWindow() -- we're going to show the window at the correct
 835             // location directly below -- but do call the wxWindowBase version
 836             // to sync the internal m_isShown flag
 837             wxWindowBase::Show();
 838
 839             flags |= SWP_SHOWWINDOW;
 840         }
 841
 842         SetWindowPos(GetHwnd(), HWND_TOP,
 843                      rect.x, rect.y, rect.width, rect.height,
 844                      flags);
 845
 846 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 847         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 848 #endif
 849
 850         // finally send an event allowing the window to relayout itself &c
 851         wxSizeEvent event(rect.GetSize(), GetId());
 852         GetEventHandler()->ProcessEvent(event);
 853     }
 854     else // stop showing full screen
 855     {
 856 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 857         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 858 #endif
 859         Maximize(m_fsIsMaximized);
 860         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 861         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 862             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 863     }
 864
 865     return true;
 866 }
 867
 868 // ----------------------------------------------------------------------------
 869 // wxTopLevelWindowMSW misc
 870 // ----------------------------------------------------------------------------
 871
 872 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 873 {
 874     SetLabel(title);
 875 }
 876
 877 wxString wxTopLevelWindowMSW::GetTitle() const
 878 {
 879     return GetLabel();
 880 }
 881
 882 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 883 {
 884     SetIcons( wxIconBundle( icon ) );
 885 }
 886
 887 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 888 {
 889     wxTopLevelWindowBase::SetIcons(icons);
 890
 891 #if !defined(__WXMICROWIN__)
 892     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 893     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 894     {
 895         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 896                        (LPARAM)GetHiconOf(sml) );
 897     }
 898
 899     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 900     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 901     {
 902         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 903                        (LPARAM)GetHiconOf(big) );
 904     }
 905 #endif // !__WXMICROWIN__
 906 }
 907
 908 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 909 {
 910 #if !defined(__WXMICROWIN__)
 911     // get system (a.k.a. window) menu
 912     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 913     if ( !hmenu )
 914     {
 915         // no system menu at all -- ok if we want to remove the close button
 916         // anyhow, but bad if we want to show it
 917         return !enable;
 918     }
 919
 920     // enabling/disabling the close item from it also automatically
 921     // disables/enables the close title bar button
 922     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 923                           MF_BYCOMMAND |
 924                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 925     {
 926         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 927
 928         return false;
 929     }
 930 #ifndef __WXWINCE__
 931     // update appearance immediately
 932     if ( !::DrawMenuBar(GetHwnd()) )
 933     {
 934         wxLogLastError(_T("DrawMenuBar"));
 935     }
 936 #endif
 937 #endif // !__WXMICROWIN__
 938
 939     return true;
 940 }
 941
 942 #ifndef __WXWINCE__
 943
 944 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 945 {
 946     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 947                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 948
 949     // The empty region signifies that the shape should be removed from the
 950     // window.
 951     if ( region.IsEmpty() )
 952     {
 953         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 954         {
 955             wxLogLastError(_T("SetWindowRgn"));
 956             return false;
 957         }
 958         return true;
 959     }
 960
 961     // Windows takes ownership of the region, so
 962     // we'll have to make a copy of the region to give to it.
 963     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 964     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 965     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 966     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 967     delete[] (char*) rgnData;
 968
 969     // SetWindowRgn expects the region to be in coordinants
 970     // relative to the window, not the client area.  Figure
 971     // out the offset, if any.
 972     RECT rect;
 973     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 974     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 975     ::GetClientRect(GetHwnd(), &rect);
 976     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 977     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 978
 979     // Now call the shape API with the new region.
 980     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 981     {
 982         wxLogLastError(_T("SetWindowRgn"));
 983         return false;
 984     }
 985     return true;
 986 }
 987
 988 #endif // !__WXWINCE__
 989
 990 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 991 {
 992     // check if we can use FlashWindowEx(): unfortunately a simple test for
 993     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 994     // provide FlashWindowEx() declaration, so try to detect whether we have
 995     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 996     // declated in MSVC6 header
 997 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 998     // available in the headers, check if it is supported by the system
 999     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1000     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1001     if ( !s_pfnFlashWindowEx )
1002     {
1003         wxDynamicLibrary dllUser32(_T("user32.dll"));
1004         s_pfnFlashWindowEx = (FlashWindowEx_t)
1005                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1006
1007         // we can safely unload user32.dll here, it's going to remain loaded as
1008         // long as the program is running anyhow
1009     }
1010
1011     if ( s_pfnFlashWindowEx )
1012     {
1013         WinStruct<FLASHWINFO> fwi;
1014         fwi.hwnd = GetHwnd();
1015         fwi.dwFlags = FLASHW_ALL;
1016         if ( flags & wxUSER_ATTENTION_INFO )
1017         {
1018             // just flash a few times
1019             fwi.uCount = 3;
1020         }
1021         else // wxUSER_ATTENTION_ERROR
1022         {
1023             // flash until the user notices it
1024             fwi.dwFlags |= FLASHW_TIMERNOFG;
1025         }
1026
1027         s_pfnFlashWindowEx(&fwi);
1028     }
1029     else // FlashWindowEx() not available
1030 #endif // FlashWindowEx() defined
1031     {
1032         wxUnusedVar(flags);
1033 #ifndef __WXWINCE__
1034         ::FlashWindow(GetHwnd(), TRUE);
1035 #endif // __WXWINCE__
1036     }
1037 }
1038
1039 // ----------------------------------------------------------------------------
1040 // wxTopLevelWindow event handling
1041 // ----------------------------------------------------------------------------
1042
1043 // Default activation behaviour - set the focus for the first child
1044 // subwindow found.
1045 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1046 {
1047     if ( event.GetActive() )
1048     {
1049         // restore focus to the child which was last focused unless we already
1050         // have it
1051         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1052
1053         wxWindow *winFocus = FindFocus();
1054         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1055         {
1056             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1057                                                 : NULL;
1058             if ( !parent )
1059             {
1060                 parent = this;
1061             }
1062
1063             wxSetFocusToChild(parent, &m_winLastFocused);
1064         }
1065     }
1066     else // deactivating
1067     {
1068         // remember the last focused child if it is our child
1069         m_winLastFocused = FindFocus();
1070
1071         if ( m_winLastFocused )
1072         {
1073             // let it know that it doesn't have focus any more
1074             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1075
1076             // and don't remember it if it's a child from some other frame
1077             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1078             {
1079                 m_winLastFocused = NULL;
1080             }
1081         }
1082
1083         wxLogTrace(_T("focus"),
1084                    _T("wxTLW %08x deactivated, last focused: %08x."),
1085                    (int) m_hWnd,
1086                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1087                                            : NULL));
1088
1089         event.Skip();
1090     }
1091 }
1092
1093 // the DialogProc for all wxWidgets dialogs
1094 LONG APIENTRY _EXPORT
1095 wxDlgProc(HWND hDlg,
1096           UINT message,
1097           WPARAM WXUNUSED(wParam),
1098           LPARAM WXUNUSED(lParam))
1099 {
1100     switch ( message )
1101     {
1102         case WM_INITDIALOG:
1103         {
1104             // under CE, add a "Ok" button in the dialog title bar and make it full
1105             // screen
1106             //
1107             // TODO: find the window for this HWND, and take into account
1108             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1109             //
1110             // Standard SDK doesn't have aygshell.dll: see
1111             // include/wx/msw/wince/libraries.h
1112 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1113             SHINITDLGINFO shidi;
1114             shidi.dwMask = SHIDIM_FLAGS;
1115             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1116 #ifndef __SMARTPHONE__
1117                             | SHIDIF_DONEBUTTON
1118 #endif
1119                         ;
1120             shidi.hDlg = hDlg;
1121             SHInitDialog( &shidi );
1122 #else // no SHInitDialog()
1123             wxUnusedVar(hDlg);
1124 #endif
1125             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1126             // the first control in the dialog box, but as we set the focus
1127             // ourselves, we return FALSE for it as well
1128             return FALSE;
1129         }
1130     }
1131
1132     // for almost all messages, returning FALSE means that we didn't process
1133     // the message
1134     return FALSE;
1135 }
1136
1137 // ============================================================================
1138 // wxTLWHiddenParentModule implementation
1139 // ============================================================================
1140
1141 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1142
1143 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1144
1145 bool wxTLWHiddenParentModule::OnInit()
1146 {
1147     ms_hwnd = NULL;
1148     ms_className = NULL;
1149
1150     return true;
1151 }
1152
1153 void wxTLWHiddenParentModule::OnExit()
1154 {
1155     if ( ms_hwnd )
1156     {
1157         if ( !::DestroyWindow(ms_hwnd) )
1158         {
1159             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1160         }
1161
1162         ms_hwnd = NULL;
1163     }
1164
1165     if ( ms_className )
1166     {
1167         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1168         {
1169             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1170         }
1171
1172         ms_className = NULL;
1173     }
1174 }
1175
1176 /* static */
1177 HWND wxTLWHiddenParentModule::GetHWND()
1178 {
1179     if ( !ms_hwnd )
1180     {
1181         if ( !ms_className )
1182         {
1183             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1184
1185             WNDCLASS wndclass;
1186             wxZeroMemory(wndclass);
1187
1188             wndclass.lpfnWndProc   = DefWindowProc;
1189             wndclass.hInstance     = wxGetInstance();
1190             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1191
1192             if ( !::RegisterClass(&wndclass) )
1193             {
1194                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1195             }
1196             else
1197             {
1198                 ms_className = HIDDEN_PARENT_CLASS;
1199             }
1200         }
1201
1202         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1203                                  (HMENU)NULL, wxGetInstance(), NULL);
1204         if ( !ms_hwnd )
1205         {
1206             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1207         }
1208     }
1209
1210     return ms_hwnd;
1211 }