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 #ifdef __SMARTPHONE__
 149     m_MenuBarHWND = 0;
 150 #endif
 151 }
 152
 153 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 154 {
 155     // let the base class deal with the common styles but fix the ones which
 156     // don't make sense for us (we also deal with the borders ourselves)
 157     WXDWORD msflags = wxWindow::MSWGetStyle
 158                       (
 159                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 160                       ) & ~WS_CHILD & ~WS_VISIBLE;
 161
 162 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 163     msflags |= WS_VISIBLE;
 164 #endif
 165
 166     // first select the kind of window being created
 167     //
 168     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 169     // creates a window with both caption and border, hence we also test it
 170     // below in some other cases
 171     if ( style & wxFRAME_TOOL_WINDOW )
 172     {
 173         msflags |= WS_POPUP;
 174     }
 175     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 176
 177 #ifndef __SMARTPHONE__
 178     // border and caption styles
 179     if ( style & wxRESIZE_BORDER )
 180         msflags |= WS_THICKFRAME;
 181     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 182         *exflags |= WS_EX_DLGMODALFRAME;
 183     else if ( !(style & wxBORDER_NONE) )
 184         msflags |= WS_BORDER;
 185     else
 186         msflags |= WS_POPUP;
 187 #endif
 188
 189     // normally we consider that all windows without caption must be popups,
 190     // but CE is an exception: there windows normally do not have the caption
 191     // but shouldn't be made popups as popups can't have menus and don't look
 192     // like normal windows anyhow
 193     if ( style & wxCAPTION )
 194         msflags |= WS_CAPTION;
 195 #ifndef __WXWINCE__
 196     else
 197         msflags |= WS_POPUP;
 198 #endif // !__WXWINCE__
 199
 200     // next translate the individual flags
 201     if ( style & wxMINIMIZE_BOX )
 202         msflags |= WS_MINIMIZEBOX;
 203     if ( style & wxMAXIMIZE_BOX )
 204         msflags |= WS_MAXIMIZEBOX;
 205     if ( style & wxSYSTEM_MENU )
 206         msflags |= WS_SYSMENU;
 207
 208     // NB: under CE these 2 styles are not supported currently, we should
 209     //     call Minimize()/Maximize() "manually" if we want to support them
 210     if ( style & wxMINIMIZE )
 211         msflags |= WS_MINIMIZE;
 212     if ( style & wxMAXIMIZE )
 213         msflags |= WS_MAXIMIZE;
 214
 215     // Keep this here because it saves recoding this function in wxTinyFrame
 216     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 217         msflags |= WS_CAPTION;
 218
 219     if ( exflags )
 220     {
 221         // there is no taskbar under CE, so omit all this
 222 #if !defined(__WXWINCE__)
 223         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 224         {
 225             if ( style & wxFRAME_TOOL_WINDOW )
 226             {
 227                 // create the palette-like window
 228                 *exflags |= WS_EX_TOOLWINDOW;
 229
 230                 // tool windows shouldn't appear on the taskbar (as documented)
 231                 style |= wxFRAME_NO_TASKBAR;
 232             }
 233
 234             // We have to solve 2 different problems here:
 235             //
 236             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 237             //    taskbar even if they don't have a parent
 238             //
 239             // 2. frames without this style should appear in the taskbar even
 240             //    if they're owned (Windows only puts non owned windows into
 241             //    the taskbar normally)
 242             //
 243             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 244             // first one is dealt with in our MSWGetParent() method
 245             // implementation
 246             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 247             {
 248                 // need to force the frame to appear in the taskbar
 249                 *exflags |= WS_EX_APPWINDOW;
 250             }
 251             //else: nothing to do [here]
 252         }
 253 #endif // !__WXWINCE__
 254
 255         if ( style & wxSTAY_ON_TOP )
 256             *exflags |= WS_EX_TOPMOST;
 257
 258         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 259             *exflags |= WS_EX_CONTEXTHELP;
 260     }
 261
 262     return msflags;
 263 }
 264
 265 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 266 {
 267     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 268     // parent HWND or it would be always on top of its parent which is not what
 269     // we usually want (in fact, we only want it for frames with the
 270     // wxFRAME_FLOAT_ON_PARENT flag)
 271     HWND hwndParent = NULL;
 272     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 273     {
 274         const wxWindow *parent = GetParent();
 275
 276         if ( !parent )
 277         {
 278             // this flag doesn't make sense then and will be ignored
 279             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 280         }
 281         else
 282         {
 283             hwndParent = GetHwndOf(parent);
 284         }
 285     }
 286     //else: don't float on parent, must not be owned
 287
 288     // now deal with the 2nd taskbar-related problem (see comments above in
 289     // MSWGetStyle())
 290     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 291     {
 292         // use hidden parent
 293         hwndParent = wxTLWHiddenParentModule::GetHWND();
 294     }
 295
 296     return (WXHWND)hwndParent;
 297 }
 298
 299 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 300                                        const wxString& title,
 301                                        const wxPoint& pos,
 302                                        const wxSize& size)
 303 {
 304 #ifdef __WXMICROWIN__
 305     // no dialogs support under MicroWin yet
 306     return CreateFrame(title, pos, size);
 307 #else // !__WXMICROWIN__
 308     wxWindow *parent = GetParent();
 309
 310     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 311     // app window as parent - this avoids creating modal dialogs without
 312     // parent
 313     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 314     {
 315         parent = wxTheApp->GetTopWindow();
 316
 317         if ( parent )
 318         {
 319             // don't use transient windows as parents, this is dangerous as it
 320             // can lead to a crash if the parent is destroyed before the child
 321             //
 322             // also don't use the window which is currently hidden as then the
 323             // dialog would be hidden as well
 324             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 325                     !parent->IsShown() )
 326             {
 327                 parent = NULL;
 328             }
 329         }
 330     }
 331
 332     m_hWnd = (WXHWND)::CreateDialogIndirect
 333                        (
 334                         wxGetInstance(),
 335                         (DLGTEMPLATE*)dlgTemplate,
 336                         parent ? GetHwndOf(parent) : NULL,
 337                         (DLGPROC)wxDlgProc
 338                        );
 339
 340     if ( !m_hWnd )
 341     {
 342         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 343
 344         wxLogSysError(wxT("Can't create dialog using memory template"));
 345
 346         return false;
 347     }
 348
 349     WXDWORD exflags;
 350     (void)MSWGetCreateWindowFlags(&exflags);
 351
 352     if ( exflags )
 353     {
 354         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 355         ::SetWindowPos(GetHwnd(),
 356                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 357                        0, 0, 0, 0,
 358                        SWP_NOSIZE |
 359                        SWP_NOMOVE |
 360                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 361                        SWP_NOACTIVATE);
 362     }
 363
 364 #if defined(__WIN95__)
 365     // For some reason, the system menu is activated when we use the
 366     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 367     if ( exflags & WS_EX_CONTEXTHELP )
 368     {
 369         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 370         if ( winTop )
 371         {
 372             wxIcon icon = winTop->GetIcon();
 373             if ( icon.Ok() )
 374             {
 375                 ::SendMessage(GetHwnd(), WM_SETICON,
 376                               (WPARAM)TRUE,
 377                               (LPARAM)GetHiconOf(icon));
 378             }
 379         }
 380     }
 381 #endif // __WIN95__
 382
 383     // move the dialog to its initial position without forcing repainting
 384     int x, y, w, h;
 385     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 386
 387     if ( x == (int)CW_USEDEFAULT )
 388     {
 389         // centre it on the screen - what else can we do?
 390         wxSize sizeDpy = wxGetDisplaySize();
 391
 392         x = (sizeDpy.x - w) / 2;
 393         y = (sizeDpy.y - h) / 2;
 394     }
 395
 396 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 397     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 398     {
 399         wxLogLastError(wxT("MoveWindow"));
 400     }
 401 #endif
 402
 403     if ( !title.empty() )
 404     {
 405         ::SetWindowText(GetHwnd(), title);
 406     }
 407
 408     SubclassWin(m_hWnd);
 409
 410     return true;
 411 #endif // __WXMICROWIN__/!__WXMICROWIN__
 412 }
 413
 414 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 415                                       const wxPoint& pos,
 416                                       const wxSize& size)
 417 {
 418     WXDWORD exflags;
 419     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 420
 421 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 422     defined(__POCKETPC__) || \
 423     defined(__SMARTPHONE__))
 424     // Always expand to fit the screen in PocketPC or SmartPhone
 425     wxSize sz(wxDefaultSize);
 426     wxUnusedVar(size);
 427 #else // other (including normal desktop) Windows
 428     wxSize sz(size);
 429 #endif
 430
 431     return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 432 }
 433
 434 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 435                                  wxWindowID id,
 436                                  const wxString& title,
 437                                  const wxPoint& pos,
 438                                  const wxSize& size,
 439                                  long style,
 440                                  const wxString& name)
 441 {
 442     bool ret wxDUMMY_INITIALIZE(false);
 443
 444     // init our fields
 445     Init();
 446
 447     wxSize sizeReal = size;
 448     if ( !sizeReal.IsFullySpecified() )
 449     {
 450         sizeReal.SetDefaults(GetDefaultSize());
 451     }
 452
 453     m_windowStyle = style;
 454
 455     SetName(name);
 456
 457     m_windowId = id == wxID_ANY ? NewControlId() : id;
 458
 459     wxTopLevelWindows.Append(this);
 460
 461     if ( parent )
 462         parent->AddChild(this);
 463
 464     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 465     {
 466         // we have different dialog templates to allows creation of dialogs
 467         // with & without captions under MSWindows, resizeable or not (but a
 468         // resizeable dialog always has caption - otherwise it would look too
 469         // strange)
 470
 471         // we need 3 additional WORDs for dialog menu, class and title (as we
 472         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 473         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 474         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 475         memset(dlgTemplate, 0, dlgsize);
 476
 477         // these values are arbitrary, they won't be used normally anyhow
 478         dlgTemplate->x  = 34;
 479         dlgTemplate->y  = 22;
 480         dlgTemplate->cx = 144;
 481         dlgTemplate->cy = 75;
 482
 483         // reuse the code in MSWGetStyle() but correct the results slightly for
 484         // the dialog
 485         dlgTemplate->style = MSWGetStyle(style, NULL);
 486
 487         // all dialogs are popups
 488         dlgTemplate->style |= WS_POPUP;
 489
 490         // force 3D-look if necessary, it looks impossibly ugly otherwise
 491         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 492             dlgTemplate->style |= DS_MODALFRAME;
 493
 494         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 495         free(dlgTemplate);
 496     }
 497     else // !dialog
 498     {
 499         ret = CreateFrame(title, pos, sizeReal);
 500     }
 501
 502     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 503     {
 504         EnableCloseButton(false);
 505     }
 506
 507     // for some reason we need to manually send ourselves this message as
 508     // otherwise the mnemonics are always shown -- even if they're configured
 509     // to be hidden until "Alt" is pressed in the control panel
 510     //
 511     // this could indicate a bug somewhere else but for now this is the only
 512     // fix we have
 513     if ( ret )
 514     {
 515         ::SendMessage
 516         (
 517             GetHwnd(),
 518             WM_UPDATEUISTATE,
 519             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 520             0
 521         );
 522     }
 523
 524     // Native look is full screen window on Smartphones and Standard SDK
 525 #if defined(__WXWINCE__)
 526     if ( style & wxMAXIMIZE )
 527     {
 528         this->Maximize();
 529     }
 530 #endif
 531
 532 #ifdef __SMARTPHONE__
 533     SetRightMenu(); // to nothing for initialization
 534 #endif
 535
 536     return ret;
 537 }
 538
 539 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 540 {
 541     // after destroying an owned window, Windows activates the next top level
 542     // window in Z order but it may be different from our owner (to reproduce
 543     // this simply Alt-TAB to another application and back before closing the
 544     // owned frame) whereas we always want to yield activation to our parent
 545     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 546     {
 547         wxWindow *parent = GetParent();
 548         if ( parent )
 549         {
 550             ::BringWindowToTop(GetHwndOf(parent));
 551         }
 552     }
 553 }
 554
 555 // ----------------------------------------------------------------------------
 556 // wxTopLevelWindowMSW showing
 557 // ----------------------------------------------------------------------------
 558
 559 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 560 {
 561     ::ShowWindow(GetHwnd(), nShowCmd);
 562
 563     m_iconized = nShowCmd == SW_MINIMIZE;
 564 }
 565
 566 bool wxTopLevelWindowMSW::Show(bool show)
 567 {
 568     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 569     if ( !wxWindowBase::Show(show) )
 570         return false;
 571
 572     int nShowCmd;
 573     if ( show )
 574     {
 575         if ( m_maximizeOnShow )
 576         {
 577             // show and maximize
 578             nShowCmd = SW_MAXIMIZE;
 579
 580             // This is necessary, or no window appears
 581 #ifdef __WINCE_STANDARDSDK__
 582             DoShowWindow(SW_SHOW);
 583 #endif
 584
 585             m_maximizeOnShow = false;
 586         }
 587         else // just show
 588         {
 589            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 590                nShowCmd = SW_SHOWNA;
 591            else
 592                nShowCmd = SW_SHOW;
 593         }
 594     }
 595     else // hide
 596     {
 597         nShowCmd = SW_HIDE;
 598     }
 599
 600     DoShowWindow(nShowCmd);
 601
 602 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 603     // Addornments have to be added when the frame is the correct size
 604     wxFrame* frame = wxDynamicCast(this, wxFrame);
 605     if (frame && frame->GetMenuBar())
 606         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 607 #endif
 608
 609     if ( show )
 610     {
 611         ::BringWindowToTop(GetHwnd());
 612
 613         wxActivateEvent event(wxEVT_ACTIVATE, true, m_windowId);
 614         event.SetEventObject( this );
 615         GetEventHandler()->ProcessEvent(event);
 616     }
 617     else // hide
 618     {
 619         // Try to highlight the correct window (the parent)
 620         if ( GetParent() )
 621         {
 622             HWND hWndParent = GetHwndOf(GetParent());
 623             if (hWndParent)
 624                 ::BringWindowToTop(hWndParent);
 625         }
 626     }
 627
 628     return true;
 629 }
 630
 631 // ----------------------------------------------------------------------------
 632 // wxTopLevelWindowMSW maximize/minimize
 633 // ----------------------------------------------------------------------------
 634
 635 void wxTopLevelWindowMSW::Maximize(bool maximize)
 636 {
 637     if ( IsShown() )
 638     {
 639         // just maximize it directly
 640         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 641     }
 642     else // hidden
 643     {
 644         // we can't maximize the hidden frame because it shows it as well, so
 645         // just remember that we should do it later in this case
 646         m_maximizeOnShow = maximize;
 647     }
 648 }
 649
 650 bool wxTopLevelWindowMSW::IsMaximized() const
 651 {
 652 #ifdef __WXWINCE__
 653     return false;
 654 #else
 655     return ::IsZoomed(GetHwnd()) != 0;
 656 #endif
 657 }
 658
 659 void wxTopLevelWindowMSW::Iconize(bool iconize)
 660 {
 661     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 662 }
 663
 664 bool wxTopLevelWindowMSW::IsIconized() const
 665 {
 666 #ifdef __WXWINCE__
 667     return false;
 668 #else
 669     // also update the current state
 670     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 671
 672     return m_iconized;
 673 #endif
 674 }
 675
 676 void wxTopLevelWindowMSW::Restore()
 677 {
 678     DoShowWindow(SW_RESTORE);
 679 }
 680
 681 // ----------------------------------------------------------------------------
 682 // wxTopLevelWindowMSW fullscreen
 683 // ----------------------------------------------------------------------------
 684
 685 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 686 {
 687     if ( show == IsFullScreen() )
 688     {
 689         // nothing to do
 690         return true;
 691     }
 692
 693     m_fsIsShowing = show;
 694
 695     if ( show )
 696     {
 697         m_fsStyle = style;
 698
 699         // zap the frame borders
 700
 701         // save the 'normal' window style
 702         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 703
 704         // save the old position, width & height, maximize state
 705         m_fsOldSize = GetRect();
 706         m_fsIsMaximized = IsMaximized();
 707
 708         // decide which window style flags to turn off
 709         LONG newStyle = m_fsOldWindowStyle;
 710         LONG offFlags = 0;
 711
 712         if (style & wxFULLSCREEN_NOBORDER)
 713         {
 714             offFlags |= WS_BORDER;
 715 #ifndef __WXWINCE__
 716             offFlags |= WS_THICKFRAME;
 717 #endif
 718         }
 719         if (style & wxFULLSCREEN_NOCAPTION)
 720             offFlags |= WS_CAPTION | WS_SYSMENU;
 721
 722         newStyle &= ~offFlags;
 723
 724         // change our window style to be compatible with full-screen mode
 725         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 726
 727         wxRect rect;
 728 #if wxUSE_DISPLAY
 729         // resize to the size of the display containing us
 730         int dpy = wxDisplay::GetFromWindow(this);
 731         if ( dpy != wxNOT_FOUND )
 732         {
 733             rect = wxDisplay(dpy).GetGeometry();
 734         }
 735         else // fall back to the main desktop
 736 #else // wxUSE_DISPLAY
 737         {
 738             // resize to the size of the desktop
 739             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 740 #ifdef __WXWINCE__
 741             // FIXME: size of the bottom menu (toolbar)
 742             // should be taken in account
 743             rect.height += rect.y;
 744             rect.y       = 0;
 745 #endif
 746         }
 747 #endif // wxUSE_DISPLAY
 748
 749         SetSize(rect);
 750
 751         // now flush the window style cache and actually go full-screen
 752         long flags = SWP_FRAMECHANGED;
 753
 754         // showing the frame full screen should also show it if it's still
 755         // hidden
 756         if ( !IsShown() )
 757         {
 758             // don't call wxWindow version to avoid flicker from calling
 759             // ::ShowWindow() -- we're going to show the window at the correct
 760             // location directly below -- but do call the wxWindowBase version
 761             // to sync the internal m_isShown flag
 762             wxWindowBase::Show();
 763
 764             flags |= SWP_SHOWWINDOW;
 765         }
 766
 767         SetWindowPos(GetHwnd(), HWND_TOP,
 768                      rect.x, rect.y, rect.width, rect.height,
 769                      flags);
 770
 771 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 772         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 773 #endif
 774
 775         // finally send an event allowing the window to relayout itself &c
 776         wxSizeEvent event(rect.GetSize(), GetId());
 777         GetEventHandler()->ProcessEvent(event);
 778     }
 779     else // stop showing full screen
 780     {
 781 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 782         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 783 #endif
 784         Maximize(m_fsIsMaximized);
 785         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 786         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 787             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 788     }
 789
 790     return true;
 791 }
 792
 793 // ----------------------------------------------------------------------------
 794 // wxTopLevelWindowMSW misc
 795 // ----------------------------------------------------------------------------
 796
 797 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 798 {
 799     SetIcons( wxIconBundle( icon ) );
 800 }
 801
 802 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 803 {
 804     wxTopLevelWindowBase::SetIcons(icons);
 805
 806 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 807     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 808     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 809     {
 810         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 811                        (LPARAM)GetHiconOf(sml) );
 812     }
 813
 814     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 815     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 816     {
 817         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 818                        (LPARAM)GetHiconOf(big) );
 819     }
 820 #endif // __WIN95__
 821 }
 822
 823 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 824 {
 825 #if !defined(__WXMICROWIN__)
 826     // get system (a.k.a. window) menu
 827     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 828     if ( !hmenu )
 829     {
 830         // no system menu at all -- ok if we want to remove the close button
 831         // anyhow, but bad if we want to show it
 832         return !enable;
 833     }
 834
 835     // enabling/disabling the close item from it also automatically
 836     // disables/enables the close title bar button
 837     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 838                           MF_BYCOMMAND |
 839                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 840     {
 841         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 842
 843         return false;
 844     }
 845 #ifndef __WXWINCE__
 846     // update appearance immediately
 847     if ( !::DrawMenuBar(GetHwnd()) )
 848     {
 849         wxLogLastError(_T("DrawMenuBar"));
 850     }
 851 #endif
 852 #endif // !__WXMICROWIN__
 853
 854     return true;
 855 }
 856
 857 #ifndef __WXWINCE__
 858
 859 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 860 {
 861     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 862                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 863
 864     // The empty region signifies that the shape should be removed from the
 865     // window.
 866     if ( region.IsEmpty() )
 867     {
 868         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 869         {
 870             wxLogLastError(_T("SetWindowRgn"));
 871             return false;
 872         }
 873         return true;
 874     }
 875
 876     // Windows takes ownership of the region, so
 877     // we'll have to make a copy of the region to give to it.
 878     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 879     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 880     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 881     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 882     delete[] (char*) rgnData;
 883
 884     // SetWindowRgn expects the region to be in coordinants
 885     // relative to the window, not the client area.  Figure
 886     // out the offset, if any.
 887     RECT rect;
 888     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 889     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 890     ::GetClientRect(GetHwnd(), &rect);
 891     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 892     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 893
 894     // Now call the shape API with the new region.
 895     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 896     {
 897         wxLogLastError(_T("SetWindowRgn"));
 898         return false;
 899     }
 900     return true;
 901 }
 902
 903 #endif // !__WXWINCE__
 904
 905 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 906 {
 907     // check if we can use FlashWindowEx(): unfortunately an explicit test for
 908     // FLASHW_STOP, for example, doesn't work because MSVC6 headers do #define
 909     // it but don't provide FlashWindowEx() declaration
 910 #if (WINVER >= 0x0500 && (defined FLASHW_STOP))
 911     // available in the headers, check if it is supported by the system
 912     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 913     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 914     if ( !s_pfnFlashWindowEx )
 915     {
 916         wxDynamicLibrary dllUser32(_T("user32.dll"));
 917         s_pfnFlashWindowEx = (FlashWindowEx_t)
 918                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 919
 920         // we can safely unload user32.dll here, it's goign to remain loaded as
 921         // long as the program is running anyhow
 922     }
 923
 924     if ( s_pfnFlashWindowEx )
 925     {
 926         WinStruct<FLASHWINFO> fwi;
 927         fwi.hwnd = GetHwnd();
 928         fwi.dwFlags = FLASHW_ALL;
 929         if ( flags & wxUSER_ATTENTION_INFO )
 930         {
 931             // just flash a few times
 932             fwi.uCount = 3;
 933         }
 934         else // wxUSER_ATTENTION_ERROR
 935         {
 936             // flash until the user notices it
 937             fwi.dwFlags |= FLASHW_TIMERNOFG;
 938         }
 939
 940         s_pfnFlashWindowEx(&fwi);
 941     }
 942     else // FlashWindowEx() not available
 943 #endif // FlashWindowEx() defined
 944     {
 945         wxUnusedVar(flags);
 946 #ifndef __WXWINCE__
 947         ::FlashWindow(GetHwnd(), TRUE);
 948 #endif // __WXWINCE__
 949     }
 950 }
 951
 952 // ----------------------------------------------------------------------------
 953 // wxTopLevelWindow event handling
 954 // ----------------------------------------------------------------------------
 955
 956 // Default activation behaviour - set the focus for the first child
 957 // subwindow found.
 958 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 959 {
 960     if ( event.GetActive() )
 961     {
 962         // restore focus to the child which was last focused unless we already
 963         // have it
 964         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 965
 966         wxWindow *winFocus = FindFocus();
 967         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 968         {
 969             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 970                                                 : NULL;
 971             if ( !parent )
 972             {
 973                 parent = this;
 974             }
 975
 976             wxSetFocusToChild(parent, &m_winLastFocused);
 977         }
 978     }
 979     else // deactivating
 980     {
 981         // remember the last focused child if it is our child
 982         m_winLastFocused = FindFocus();
 983
 984         if ( m_winLastFocused )
 985         {
 986             // let it know that it doesn't have focus any more
 987             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 988
 989             // and don't remember it if it's a child from some other frame
 990             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 991             {
 992                 m_winLastFocused = NULL;
 993             }
 994         }
 995
 996         wxLogTrace(_T("focus"),
 997                    _T("wxTLW %08x deactivated, last focused: %08x."),
 998                    (int) m_hWnd,
 999                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1000                                            : NULL));
1001
1002         event.Skip();
1003     }
1004 }
1005
1006 // the DialogProc for all wxWidgets dialogs
1007 LONG APIENTRY _EXPORT
1008 wxDlgProc(HWND hDlg,
1009           UINT message,
1010           WPARAM WXUNUSED(wParam),
1011           LPARAM WXUNUSED(lParam))
1012 {
1013     if ( message == WM_INITDIALOG )
1014     {
1015         // under CE, add a "Ok" button in the dialog title bar and make it full
1016         // screen
1017         //
1018         // VZ: we should probably allow for overriding this, e.g. by including
1019         //     MAXIMIZED flag in the dialog style by default and doing this
1020         //     only if it is present...
1021
1022         // Standard SDK doesn't have aygshell.dll: see
1023         // include/wx/msw/wince/libraries.h
1024 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1025         SHINITDLGINFO shidi;
1026         shidi.dwMask = SHIDIM_FLAGS;
1027         shidi.dwFlags = SHIDIF_SIZEDLGFULLSCREEN
1028 #ifndef __SMARTPHONE__
1029                         | SHIDIF_DONEBUTTON
1030 #endif
1031                         ;
1032         shidi.hDlg = hDlg;
1033         SHInitDialog( &shidi );
1034 #else // no SHInitDialog()
1035         wxUnusedVar(hDlg);
1036 #endif
1037     }
1038
1039     // for almost all messages, returning FALSE means that we didn't process
1040     // the message
1041     //
1042     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1043     // the first control in the dialog box, but as we set the focus
1044     // ourselves, we return FALSE for it as well
1045     return FALSE;
1046 }
1047
1048 // ============================================================================
1049 // wxTLWHiddenParentModule implementation
1050 // ============================================================================
1051
1052 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1053
1054 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1055
1056 bool wxTLWHiddenParentModule::OnInit()
1057 {
1058     ms_hwnd = NULL;
1059     ms_className = NULL;
1060
1061     return true;
1062 }
1063
1064 void wxTLWHiddenParentModule::OnExit()
1065 {
1066     if ( ms_hwnd )
1067     {
1068         if ( !::DestroyWindow(ms_hwnd) )
1069         {
1070             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1071         }
1072
1073         ms_hwnd = NULL;
1074     }
1075
1076     if ( ms_className )
1077     {
1078         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1079         {
1080             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1081         }
1082
1083         ms_className = NULL;
1084     }
1085 }
1086
1087 /* static */
1088 HWND wxTLWHiddenParentModule::GetHWND()
1089 {
1090     if ( !ms_hwnd )
1091     {
1092         if ( !ms_className )
1093         {
1094             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1095
1096             WNDCLASS wndclass;
1097             wxZeroMemory(wndclass);
1098
1099             wndclass.lpfnWndProc   = DefWindowProc;
1100             wndclass.hInstance     = wxGetInstance();
1101             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1102
1103             if ( !::RegisterClass(&wndclass) )
1104             {
1105                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1106             }
1107             else
1108             {
1109                 ms_className = HIDDEN_PARENT_CLASS;
1110             }
1111         }
1112
1113         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1114                                  (HMENU)NULL, wxGetInstance(), NULL);
1115         if ( !ms_hwnd )
1116         {
1117             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1118         }
1119     }
1120
1121     return ms_hwnd;
1122 }
1123
1124