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 #endif //WX_PRECOMP
  38
  39 #include "wx/module.h"
  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 #include "wx/msw/wince/missing.h"
  51 #endif
  52
  53 #include "wx/msw/missing.h"
  54 #include "wx/msw/winundef.h"
  55
  56 #include "wx/display.h"
  57
  58 #ifndef ICON_BIG
  59     #define ICON_BIG 1
  60 #endif
  61
  62 #ifndef ICON_SMALL
  63     #define ICON_SMALL 0
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // stubs for missing functions under MicroWindows
  68 // ----------------------------------------------------------------------------
  69
  70 #ifdef __WXMICROWIN__
  71
  72 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  73 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  74
  75 #endif // __WXMICROWIN__
  76
  77 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  78 //     is not included by wxUniv build which does need wxDlgProc
  79 LONG APIENTRY _EXPORT
  80 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  81
  82 // ----------------------------------------------------------------------------
  83 // globals
  84 // ----------------------------------------------------------------------------
  85
  86 // the name of the default wxWidgets class
  87 #ifdef __WXWINCE__
  88 extern       wxChar *wxCanvasClassName;
  89 #else
  90 extern const wxChar *wxCanvasClassName;
  91 #endif
  92
  93 // ----------------------------------------------------------------------------
  94 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  95 // module to ensure that the window is always deleted)
  96 // ----------------------------------------------------------------------------
  97
  98 class wxTLWHiddenParentModule : public wxModule
  99 {
 100 public:
 101     // module init/finalize
 102     virtual bool OnInit();
 103     virtual void OnExit();
 104
 105     // get the hidden window (creates on demand)
 106     static HWND GetHWND();
 107
 108 private:
 109     // the HWND of the hidden parent
 110     static HWND ms_hwnd;
 111
 112     // the class used to create it
 113     static const wxChar *ms_className;
 114
 115     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 116 };
 117
 118 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 119
 120 // ============================================================================
 121 // wxTopLevelWindowMSW implementation
 122 // ============================================================================
 123
 124 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 125     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 126 END_EVENT_TABLE()
 127
 128 // ----------------------------------------------------------------------------
 129 // wxTopLevelWindowMSW creation
 130 // ----------------------------------------------------------------------------
 131
 132 void wxTopLevelWindowMSW::Init()
 133 {
 134     m_iconized =
 135     m_maximizeOnShow = false;
 136
 137     // Data to save/restore when calling ShowFullScreen
 138     m_fsStyle = 0;
 139     m_fsOldWindowStyle = 0;
 140     m_fsIsMaximized = false;
 141     m_fsIsShowing = false;
 142
 143     m_winLastFocused = (wxWindow *)NULL;
 144
 145 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 146     m_MenuBarHWND = 0;
 147 #endif
 148
 149 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 150     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 151     wxZeroMemory(*info);
 152     info->cbSize = sizeof(SHACTIVATEINFO);
 153
 154     m_activateInfo = (void*) info;
 155 #endif
 156 }
 157
 158 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 159 {
 160     // let the base class deal with the common styles but fix the ones which
 161     // don't make sense for us (we also deal with the borders ourselves)
 162     WXDWORD msflags = wxWindow::MSWGetStyle
 163                       (
 164                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 165                       ) & ~WS_CHILD & ~WS_VISIBLE;
 166
 167     // For some reason, WS_VISIBLE needs to be defined on creation for
 168     // SmartPhone 2003. The title can fail to be displayed otherwise.
 169 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 170     msflags |= WS_VISIBLE;
 171     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 172 #endif
 173
 174     // first select the kind of window being created
 175     //
 176     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 177     // creates a window with both caption and border, hence we need to use
 178     // WS_POPUP in a few cases just to avoid having caption/border which we
 179     // don't want
 180
 181     // border and caption styles
 182     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 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
 193     // normally we consider that all windows without a caption must be popups,
 194     // but CE is an exception: there windows normally do not have the caption
 195     // but shouldn't be made popups as popups can't have menus and don't look
 196     // like normal windows anyhow
 197
 198     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 199     // we need it.
 200 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 201     if ( style & wxCAPTION )
 202         msflags |= WS_CAPTION;
 203 #ifndef __WXWINCE__
 204     else
 205         msflags |= WS_POPUP;
 206 #endif // !__WXWINCE__
 207 #endif
 208
 209     // next translate the individual flags
 210     if ( style & wxMINIMIZE_BOX )
 211         msflags |= WS_MINIMIZEBOX;
 212     if ( style & wxMAXIMIZE_BOX )
 213         msflags |= WS_MAXIMIZEBOX;
 214
 215 #ifndef __WXWINCE__
 216     if ( style & wxSYSTEM_MENU )
 217         msflags |= WS_SYSMENU;
 218 #endif
 219
 220     // NB: under CE these 2 styles are not supported currently, we should
 221     //     call Minimize()/Maximize() "manually" if we want to support them
 222     if ( style & wxMINIMIZE )
 223         msflags |= WS_MINIMIZE;
 224
 225     if ( style & wxMAXIMIZE )
 226         msflags |= WS_MAXIMIZE;
 227
 228     // Keep this here because it saves recoding this function in wxTinyFrame
 229     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 230         msflags |= WS_CAPTION;
 231
 232     if ( exflags )
 233     {
 234         // there is no taskbar under CE, so omit all this
 235 #if !defined(__WXWINCE__)
 236         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 237         {
 238             if ( style & wxFRAME_TOOL_WINDOW )
 239             {
 240                 // create the palette-like window
 241                 *exflags |= WS_EX_TOOLWINDOW;
 242
 243                 // tool windows shouldn't appear on the taskbar (as documented)
 244                 style |= wxFRAME_NO_TASKBAR;
 245             }
 246
 247             // We have to solve 2 different problems here:
 248             //
 249             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 250             //    taskbar even if they don't have a parent
 251             //
 252             // 2. frames without this style should appear in the taskbar even
 253             //    if they're owned (Windows only puts non owned windows into
 254             //    the taskbar normally)
 255             //
 256             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 257             // first one is dealt with in our MSWGetParent() method
 258             // implementation
 259             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 260             {
 261                 // need to force the frame to appear in the taskbar
 262                 *exflags |= WS_EX_APPWINDOW;
 263             }
 264             //else: nothing to do [here]
 265         }
 266
 267         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 268             *exflags |= WS_EX_CONTEXTHELP;
 269 #endif // !__WXWINCE__
 270
 271         if ( style & wxSTAY_ON_TOP )
 272             *exflags |= WS_EX_TOPMOST;
 273     }
 274
 275     return msflags;
 276 }
 277
 278 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 279 {
 280     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 281     // parent HWND or it would be always on top of its parent which is not what
 282     // we usually want (in fact, we only want it for frames with the
 283     // wxFRAME_FLOAT_ON_PARENT flag)
 284     HWND hwndParent = NULL;
 285     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 286     {
 287         const wxWindow *parent = GetParent();
 288
 289         if ( !parent )
 290         {
 291             // this flag doesn't make sense then and will be ignored
 292             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 293         }
 294         else
 295         {
 296             hwndParent = GetHwndOf(parent);
 297         }
 298     }
 299     //else: don't float on parent, must not be owned
 300
 301     // now deal with the 2nd taskbar-related problem (see comments above in
 302     // MSWGetStyle())
 303     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 304     {
 305         // use hidden parent
 306         hwndParent = wxTLWHiddenParentModule::GetHWND();
 307     }
 308
 309     return (WXHWND)hwndParent;
 310 }
 311
 312 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 313 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 314 {
 315     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 316     if ( info )
 317     {
 318         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 319     }
 320
 321     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 322 }
 323 #endif
 324
 325 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 326 {
 327     WXLRESULT rc = 0;
 328     bool processed = false;
 329
 330 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 331     switch ( message )
 332     {
 333         case WM_ACTIVATE:
 334         {
 335             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 336             if (info)
 337             {
 338                 DWORD flags = 0;
 339                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 340                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 341             }
 342
 343             // This implicitly sends a wxEVT_ACTIVATE_APP event
 344             if (wxTheApp)
 345                 wxTheApp->SetActive(wParam != 0, FindFocus());
 346
 347             break;
 348         }
 349         case WM_HIBERNATE:
 350         {
 351             if (wxTheApp)
 352             {
 353                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 354                 event.SetEventObject(wxTheApp);
 355                 processed = wxTheApp->ProcessEvent(event);
 356             }
 357             break;
 358         }
 359     }
 360 #endif
 361
 362     if ( !processed )
 363         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 364
 365     return rc;
 366 }
 367
 368 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 369                                        const wxString& title,
 370                                        const wxPoint& pos,
 371                                        const wxSize& size)
 372 {
 373 #ifdef __WXMICROWIN__
 374     // no dialogs support under MicroWin yet
 375     return CreateFrame(title, pos, size);
 376 #else // !__WXMICROWIN__
 377     wxWindow *parent = GetParent();
 378
 379     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 380     // app window as parent - this avoids creating modal dialogs without
 381     // parent
 382     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 383     {
 384         parent = wxTheApp->GetTopWindow();
 385
 386         if ( parent )
 387         {
 388             // don't use transient windows as parents, this is dangerous as it
 389             // can lead to a crash if the parent is destroyed before the child
 390             //
 391             // also don't use the window which is currently hidden as then the
 392             // dialog would be hidden as well
 393             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 394                     !parent->IsShown() )
 395             {
 396                 parent = NULL;
 397             }
 398         }
 399     }
 400
 401     m_hWnd = (WXHWND)::CreateDialogIndirect
 402                        (
 403                         wxGetInstance(),
 404                         (DLGTEMPLATE*)dlgTemplate,
 405                         parent ? GetHwndOf(parent) : NULL,
 406                         (DLGPROC)wxDlgProc
 407                        );
 408
 409     if ( !m_hWnd )
 410     {
 411         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 412
 413         wxLogSysError(wxT("Can't create dialog using memory template"));
 414
 415         return false;
 416     }
 417
 418     WXDWORD exflags;
 419     (void)MSWGetCreateWindowFlags(&exflags);
 420
 421     if ( exflags )
 422     {
 423         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 424         ::SetWindowPos(GetHwnd(),
 425                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 426                        0, 0, 0, 0,
 427                        SWP_NOSIZE |
 428                        SWP_NOMOVE |
 429                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 430                        SWP_NOACTIVATE);
 431     }
 432
 433 #if !defined(__WXWINCE__)
 434     // For some reason, the system menu is activated when we use the
 435     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 436     if ( exflags & WS_EX_CONTEXTHELP )
 437     {
 438         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 439         if ( winTop )
 440         {
 441             wxIcon icon = winTop->GetIcon();
 442             if ( icon.Ok() )
 443             {
 444                 ::SendMessage(GetHwnd(), WM_SETICON,
 445                               (WPARAM)TRUE,
 446                               (LPARAM)GetHiconOf(icon));
 447             }
 448         }
 449     }
 450 #endif
 451
 452     // move the dialog to its initial position without forcing repainting
 453     int x, y, w, h;
 454     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 455
 456     if ( x == (int)CW_USEDEFAULT )
 457     {
 458         // centre it on the screen - what else can we do?
 459         wxSize sizeDpy = wxGetDisplaySize();
 460
 461         x = (sizeDpy.x - w) / 2;
 462         y = (sizeDpy.y - h) / 2;
 463     }
 464
 465 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 466     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 467     {
 468         wxLogLastError(wxT("MoveWindow"));
 469     }
 470 #endif
 471
 472     if ( !title.empty() )
 473     {
 474         ::SetWindowText(GetHwnd(), title);
 475     }
 476
 477     SubclassWin(m_hWnd);
 478
 479 #ifdef __SMARTPHONE__
 480     // Work around title non-display glitch
 481     Show(false);
 482 #endif
 483
 484     return true;
 485 #endif // __WXMICROWIN__/!__WXMICROWIN__
 486 }
 487
 488 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 489                                       const wxPoint& pos,
 490                                       const wxSize& size)
 491 {
 492     WXDWORD exflags;
 493     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 494
 495     wxSize sz;
 496
 497     if (IsAlwaysMaximized())
 498     {
 499         sz = wxDefaultSize;
 500     }
 501     else
 502     {
 503         sz = size;
 504     }
 505
 506     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 507
 508     return result;
 509 }
 510
 511 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 512                                  wxWindowID id,
 513                                  const wxString& title,
 514                                  const wxPoint& pos,
 515                                  const wxSize& size,
 516                                  long style,
 517                                  const wxString& name)
 518 {
 519     bool ret wxDUMMY_INITIALIZE(false);
 520
 521     // init our fields
 522     Init();
 523
 524     wxSize sizeReal = size;
 525     if ( !sizeReal.IsFullySpecified() )
 526     {
 527         sizeReal.SetDefaults(GetDefaultSize());
 528     }
 529
 530     m_windowStyle = style;
 531
 532     SetName(name);
 533
 534     m_windowId = id == wxID_ANY ? NewControlId() : id;
 535
 536     wxTopLevelWindows.Append(this);
 537
 538     if ( parent )
 539         parent->AddChild(this);
 540
 541     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 542     {
 543         // we have different dialog templates to allows creation of dialogs
 544         // with & without captions under MSWindows, resizeable or not (but a
 545         // resizeable dialog always has caption - otherwise it would look too
 546         // strange)
 547
 548         // we need 3 additional WORDs for dialog menu, class and title (as we
 549         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 550         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 551         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 552         memset(dlgTemplate, 0, dlgsize);
 553
 554         // these values are arbitrary, they won't be used normally anyhow
 555         dlgTemplate->x  = 34;
 556         dlgTemplate->y  = 22;
 557         dlgTemplate->cx = 144;
 558         dlgTemplate->cy = 75;
 559
 560         // reuse the code in MSWGetStyle() but correct the results slightly for
 561         // the dialog
 562         dlgTemplate->style = MSWGetStyle(style, NULL);
 563
 564         // all dialogs are popups
 565         dlgTemplate->style |= WS_POPUP;
 566
 567 #ifndef __WXWINCE__
 568         // force 3D-look if necessary, it looks impossibly ugly otherwise
 569         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 570             dlgTemplate->style |= DS_MODALFRAME;
 571 #endif
 572
 573         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 574         free(dlgTemplate);
 575     }
 576     else // !dialog
 577     {
 578         ret = CreateFrame(title, pos, sizeReal);
 579     }
 580
 581 #ifndef __WXWINCE__
 582     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 583     {
 584         EnableCloseButton(false);
 585     }
 586 #endif
 587
 588     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 589     // itself but for custom windows we have to do it ourselves in order to
 590     // make the keyboard indicators (such as underlines for accelerators and
 591     // focus rectangles) work under Win2k+
 592     if ( ret )
 593     {
 594         MSWUpdateUIState(UIS_INITIALIZE);
 595     }
 596
 597     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 598     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 599 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 600     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 601     {
 602         this->Maximize();
 603     }
 604 #endif
 605
 606 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 607     SetRightMenu(); // to nothing for initialization
 608 #endif
 609
 610     return ret;
 611 }
 612
 613 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 614 {
 615 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 616     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 617     delete info;
 618     m_activateInfo = NULL;
 619 #endif
 620
 621     // after destroying an owned window, Windows activates the next top level
 622     // window in Z order but it may be different from our owner (to reproduce
 623     // this simply Alt-TAB to another application and back before closing the
 624     // owned frame) whereas we always want to yield activation to our parent
 625     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 626     {
 627         wxWindow *parent = GetParent();
 628         if ( parent )
 629         {
 630             ::BringWindowToTop(GetHwndOf(parent));
 631         }
 632     }
 633 }
 634
 635 // ----------------------------------------------------------------------------
 636 // wxTopLevelWindowMSW showing
 637 // ----------------------------------------------------------------------------
 638
 639 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 640 {
 641     ::ShowWindow(GetHwnd(), nShowCmd);
 642
 643     m_iconized = nShowCmd == SW_MINIMIZE;
 644 }
 645
 646 bool wxTopLevelWindowMSW::Show(bool show)
 647 {
 648     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 649     if ( !wxWindowBase::Show(show) )
 650         return false;
 651
 652     int nShowCmd;
 653     if ( show )
 654     {
 655         if ( m_maximizeOnShow )
 656         {
 657             // show and maximize
 658             nShowCmd = SW_MAXIMIZE;
 659
 660             // This is necessary, or no window appears
 661 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 662             DoShowWindow(SW_SHOW);
 663 #endif
 664
 665             m_maximizeOnShow = false;
 666         }
 667         else // just show
 668         {
 669            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 670                nShowCmd = SW_SHOWNA;
 671            else
 672                nShowCmd = SW_SHOW;
 673         }
 674     }
 675     else // hide
 676     {
 677         nShowCmd = SW_HIDE;
 678     }
 679
 680     DoShowWindow(nShowCmd);
 681
 682 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 683     // Addornments have to be added when the frame is the correct size
 684     wxFrame* frame = wxDynamicCast(this, wxFrame);
 685     if (frame && frame->GetMenuBar())
 686         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 687 #endif
 688
 689     return true;
 690 }
 691
 692 // ----------------------------------------------------------------------------
 693 // wxTopLevelWindowMSW maximize/minimize
 694 // ----------------------------------------------------------------------------
 695
 696 void wxTopLevelWindowMSW::Maximize(bool maximize)
 697 {
 698     if ( IsShown() )
 699     {
 700         // just maximize it directly
 701         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 702     }
 703     else // hidden
 704     {
 705         // we can't maximize the hidden frame because it shows it as well,
 706         // so just remember that we should do it later in this case
 707         m_maximizeOnShow = maximize;
 708
 709         // after calling Maximize() the client code expects to get the frame
 710         // "real" size and doesn't want to know that, because of implementation
 711         // details, the frame isn't really maximized yet but will be only once
 712         // it's shown, so return our size as it will be then in this case
 713         if ( maximize )
 714         {
 715             // unfortunately we don't know which display we're on yet so we
 716             // have to use the default one
 717             SetSize(wxGetClientDisplayRect().GetSize());
 718         }
 719         //else: can't do anything in this case, we don't have the old size
 720     }
 721 }
 722
 723 bool wxTopLevelWindowMSW::IsMaximized() const
 724 {
 725     return IsAlwaysMaximized() ||
 726 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
 727            (::IsZoomed(GetHwnd()) != 0) ||
 728 #endif
 729            m_maximizeOnShow;
 730 }
 731
 732 void wxTopLevelWindowMSW::Iconize(bool iconize)
 733 {
 734     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 735 }
 736
 737 bool wxTopLevelWindowMSW::IsIconized() const
 738 {
 739 #ifdef __WXWINCE__
 740     return false;
 741 #else
 742     // don't use m_iconized, it may be briefly out of sync with the real state
 743     // as it's only modified when we receive a WM_SIZE and we could be called
 744     // from an event handler from one of the messages we receive before it,
 745     // such as WM_MOVE
 746     return ::IsIconic(GetHwnd()) != 0;
 747 #endif
 748 }
 749
 750 void wxTopLevelWindowMSW::Restore()
 751 {
 752     DoShowWindow(SW_RESTORE);
 753 }
 754
 755 // ----------------------------------------------------------------------------
 756 // wxTopLevelWindowMSW fullscreen
 757 // ----------------------------------------------------------------------------
 758
 759 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 760 {
 761     if ( show == IsFullScreen() )
 762     {
 763         // nothing to do
 764         return true;
 765     }
 766
 767     m_fsIsShowing = show;
 768
 769     if ( show )
 770     {
 771         m_fsStyle = style;
 772
 773         // zap the frame borders
 774
 775         // save the 'normal' window style
 776         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 777
 778         // save the old position, width & height, maximize state
 779         m_fsOldSize = GetRect();
 780         m_fsIsMaximized = IsMaximized();
 781
 782         // decide which window style flags to turn off
 783         LONG newStyle = m_fsOldWindowStyle;
 784         LONG offFlags = 0;
 785
 786         if (style & wxFULLSCREEN_NOBORDER)
 787         {
 788             offFlags |= WS_BORDER;
 789 #ifndef __WXWINCE__
 790             offFlags |= WS_THICKFRAME;
 791 #endif
 792         }
 793         if (style & wxFULLSCREEN_NOCAPTION)
 794             offFlags |= WS_CAPTION | WS_SYSMENU;
 795
 796         newStyle &= ~offFlags;
 797
 798         // change our window style to be compatible with full-screen mode
 799         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 800
 801         wxRect rect;
 802 #if wxUSE_DISPLAY
 803         // resize to the size of the display containing us
 804         int dpy = wxDisplay::GetFromWindow(this);
 805         if ( dpy != wxNOT_FOUND )
 806         {
 807             rect = wxDisplay(dpy).GetGeometry();
 808         }
 809         else // fall back to the main desktop
 810 #endif // wxUSE_DISPLAY
 811         {
 812             // resize to the size of the desktop
 813             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 814 #ifdef __WXWINCE__
 815             // FIXME: size of the bottom menu (toolbar)
 816             // should be taken in account
 817             rect.height += rect.y;
 818             rect.y       = 0;
 819 #endif
 820         }
 821
 822         SetSize(rect);
 823
 824         // now flush the window style cache and actually go full-screen
 825         long flags = SWP_FRAMECHANGED;
 826
 827         // showing the frame full screen should also show it if it's still
 828         // hidden
 829         if ( !IsShown() )
 830         {
 831             // don't call wxWindow version to avoid flicker from calling
 832             // ::ShowWindow() -- we're going to show the window at the correct
 833             // location directly below -- but do call the wxWindowBase version
 834             // to sync the internal m_isShown flag
 835             wxWindowBase::Show();
 836
 837             flags |= SWP_SHOWWINDOW;
 838         }
 839
 840         SetWindowPos(GetHwnd(), HWND_TOP,
 841                      rect.x, rect.y, rect.width, rect.height,
 842                      flags);
 843
 844 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 845         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 846 #endif
 847
 848         // finally send an event allowing the window to relayout itself &c
 849         wxSizeEvent event(rect.GetSize(), GetId());
 850         GetEventHandler()->ProcessEvent(event);
 851     }
 852     else // stop showing full screen
 853     {
 854 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 855         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 856 #endif
 857         Maximize(m_fsIsMaximized);
 858         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 859         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 860             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 861     }
 862
 863     return true;
 864 }
 865
 866 // ----------------------------------------------------------------------------
 867 // wxTopLevelWindowMSW misc
 868 // ----------------------------------------------------------------------------
 869
 870 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 871 {
 872     SetLabel(title);
 873 }
 874
 875 wxString wxTopLevelWindowMSW::GetTitle() const
 876 {
 877     return GetLabel();
 878 }
 879
 880 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 881 {
 882     SetIcons( wxIconBundle( icon ) );
 883 }
 884
 885 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 886 {
 887     wxTopLevelWindowBase::SetIcons(icons);
 888
 889 #if !defined(__WXMICROWIN__)
 890     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 891     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 892     {
 893         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 894                        (LPARAM)GetHiconOf(sml) );
 895     }
 896
 897     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 898     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 899     {
 900         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 901                        (LPARAM)GetHiconOf(big) );
 902     }
 903 #endif // !__WXMICROWIN__
 904 }
 905
 906 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 907 {
 908 #if !defined(__WXMICROWIN__)
 909     // get system (a.k.a. window) menu
 910     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 911     if ( !hmenu )
 912     {
 913         // no system menu at all -- ok if we want to remove the close button
 914         // anyhow, but bad if we want to show it
 915         return !enable;
 916     }
 917
 918     // enabling/disabling the close item from it also automatically
 919     // disables/enables the close title bar button
 920     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 921                           MF_BYCOMMAND |
 922                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 923     {
 924         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 925
 926         return false;
 927     }
 928 #ifndef __WXWINCE__
 929     // update appearance immediately
 930     if ( !::DrawMenuBar(GetHwnd()) )
 931     {
 932         wxLogLastError(_T("DrawMenuBar"));
 933     }
 934 #endif
 935 #endif // !__WXMICROWIN__
 936
 937     return true;
 938 }
 939
 940 #ifndef __WXWINCE__
 941
 942 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 943 {
 944     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 945                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 946
 947     // The empty region signifies that the shape should be removed from the
 948     // window.
 949     if ( region.IsEmpty() )
 950     {
 951         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 952         {
 953             wxLogLastError(_T("SetWindowRgn"));
 954             return false;
 955         }
 956         return true;
 957     }
 958
 959     // Windows takes ownership of the region, so
 960     // we'll have to make a copy of the region to give to it.
 961     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 962     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 963     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 964     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 965     delete[] (char*) rgnData;
 966
 967     // SetWindowRgn expects the region to be in coordinants
 968     // relative to the window, not the client area.  Figure
 969     // out the offset, if any.
 970     RECT rect;
 971     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 972     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 973     ::GetClientRect(GetHwnd(), &rect);
 974     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 975     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 976
 977     // Now call the shape API with the new region.
 978     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 979     {
 980         wxLogLastError(_T("SetWindowRgn"));
 981         return false;
 982     }
 983     return true;
 984 }
 985
 986 #endif // !__WXWINCE__
 987
 988 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 989 {
 990     // check if we can use FlashWindowEx(): unfortunately a simple test for
 991     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 992     // provide FlashWindowEx() declaration, so try to detect whether we have
 993     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 994     // declated in MSVC6 header
 995 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 996     // available in the headers, check if it is supported by the system
 997     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 998     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 999     if ( !s_pfnFlashWindowEx )
1000     {
1001         wxDynamicLibrary dllUser32(_T("user32.dll"));
1002         s_pfnFlashWindowEx = (FlashWindowEx_t)
1003                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1004
1005         // we can safely unload user32.dll here, it's going to remain loaded as
1006         // long as the program is running anyhow
1007     }
1008
1009     if ( s_pfnFlashWindowEx )
1010     {
1011         WinStruct<FLASHWINFO> fwi;
1012         fwi.hwnd = GetHwnd();
1013         fwi.dwFlags = FLASHW_ALL;
1014         if ( flags & wxUSER_ATTENTION_INFO )
1015         {
1016             // just flash a few times
1017             fwi.uCount = 3;
1018         }
1019         else // wxUSER_ATTENTION_ERROR
1020         {
1021             // flash until the user notices it
1022             fwi.dwFlags |= FLASHW_TIMERNOFG;
1023         }
1024
1025         s_pfnFlashWindowEx(&fwi);
1026     }
1027     else // FlashWindowEx() not available
1028 #endif // FlashWindowEx() defined
1029     {
1030         wxUnusedVar(flags);
1031 #ifndef __WXWINCE__
1032         ::FlashWindow(GetHwnd(), TRUE);
1033 #endif // __WXWINCE__
1034     }
1035 }
1036
1037 // ----------------------------------------------------------------------------
1038 // wxTopLevelWindow event handling
1039 // ----------------------------------------------------------------------------
1040
1041 // Default activation behaviour - set the focus for the first child
1042 // subwindow found.
1043 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1044 {
1045     if ( event.GetActive() )
1046     {
1047         // restore focus to the child which was last focused unless we already
1048         // have it
1049         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1050
1051         wxWindow *winFocus = FindFocus();
1052         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1053         {
1054             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1055                                                 : NULL;
1056             if ( !parent )
1057             {
1058                 parent = this;
1059             }
1060
1061             wxSetFocusToChild(parent, &m_winLastFocused);
1062         }
1063     }
1064     else // deactivating
1065     {
1066         // remember the last focused child if it is our child
1067         m_winLastFocused = FindFocus();
1068
1069         if ( m_winLastFocused )
1070         {
1071             // let it know that it doesn't have focus any more
1072             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1073
1074             // and don't remember it if it's a child from some other frame
1075             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1076             {
1077                 m_winLastFocused = NULL;
1078             }
1079         }
1080
1081         wxLogTrace(_T("focus"),
1082                    _T("wxTLW %08x deactivated, last focused: %08x."),
1083                    (int) m_hWnd,
1084                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1085                                            : NULL));
1086
1087         event.Skip();
1088     }
1089 }
1090
1091 // the DialogProc for all wxWidgets dialogs
1092 LONG APIENTRY _EXPORT
1093 wxDlgProc(HWND hDlg,
1094           UINT message,
1095           WPARAM WXUNUSED(wParam),
1096           LPARAM WXUNUSED(lParam))
1097 {
1098     switch ( message )
1099     {
1100         case WM_INITDIALOG:
1101         {
1102             // under CE, add a "Ok" button in the dialog title bar and make it full
1103             // screen
1104             //
1105             // TODO: find the window for this HWND, and take into account
1106             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1107             //
1108             // Standard SDK doesn't have aygshell.dll: see
1109             // include/wx/msw/wince/libraries.h
1110 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1111             SHINITDLGINFO shidi;
1112             shidi.dwMask = SHIDIM_FLAGS;
1113             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1114 #ifndef __SMARTPHONE__
1115                             | SHIDIF_DONEBUTTON
1116 #endif
1117                         ;
1118             shidi.hDlg = hDlg;
1119             SHInitDialog( &shidi );
1120 #else // no SHInitDialog()
1121             wxUnusedVar(hDlg);
1122 #endif
1123             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1124             // the first control in the dialog box, but as we set the focus
1125             // ourselves, we return FALSE for it as well
1126             return FALSE;
1127         }
1128     }
1129
1130     // for almost all messages, returning FALSE means that we didn't process
1131     // the message
1132     return FALSE;
1133 }
1134
1135 // ============================================================================
1136 // wxTLWHiddenParentModule implementation
1137 // ============================================================================
1138
1139 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1140
1141 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1142
1143 bool wxTLWHiddenParentModule::OnInit()
1144 {
1145     ms_hwnd = NULL;
1146     ms_className = NULL;
1147
1148     return true;
1149 }
1150
1151 void wxTLWHiddenParentModule::OnExit()
1152 {
1153     if ( ms_hwnd )
1154     {
1155         if ( !::DestroyWindow(ms_hwnd) )
1156         {
1157             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1158         }
1159
1160         ms_hwnd = NULL;
1161     }
1162
1163     if ( ms_className )
1164     {
1165         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1166         {
1167             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1168         }
1169
1170         ms_className = NULL;
1171     }
1172 }
1173
1174 /* static */
1175 HWND wxTLWHiddenParentModule::GetHWND()
1176 {
1177     if ( !ms_hwnd )
1178     {
1179         if ( !ms_className )
1180         {
1181             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1182
1183             WNDCLASS wndclass;
1184             wxZeroMemory(wndclass);
1185
1186             wndclass.lpfnWndProc   = DefWindowProc;
1187             wndclass.hInstance     = wxGetInstance();
1188             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1189
1190             if ( !::RegisterClass(&wndclass) )
1191             {
1192                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1193             }
1194             else
1195             {
1196                 ms_className = HIDDEN_PARENT_CLASS;
1197             }
1198         }
1199
1200         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1201                                  (HMENU)NULL, wxGetInstance(), NULL);
1202         if ( !ms_hwnd )
1203         {
1204             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1205         }
1206     }
1207
1208     return ms_hwnd;
1209 }