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
 149 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 150 {
 151     // let the base class deal with the common styles but fix the ones which
 152     // don't make sense for us (we also deal with the borders ourselves)
 153     WXDWORD msflags = wxWindow::MSWGetStyle
 154                       (
 155                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 156                       ) & ~WS_CHILD & ~WS_VISIBLE;
 157
 158     // For some reason, WS_VISIBLE needs to be defined on creation for
 159     // SmartPhone 2003. The title can fail to be displayed otherwise.
 160 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 161     msflags |= WS_VISIBLE;
 162     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 163 #endif
 164
 165     // first select the kind of window being created
 166     //
 167     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 168     // creates a window with both caption and border, hence we need to use
 169     // WS_POPUP in a few cases just to avoid having caption/border which we
 170     // don't want
 171
 172 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 173     // border and caption styles
 174     if ( style & wxRESIZE_BORDER )
 175         msflags |= WS_THICKFRAME;
 176     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 177         *exflags |= WS_EX_DLGMODALFRAME;
 178     else if ( !(style & wxBORDER_NONE) )
 179         msflags |= WS_BORDER;
 180 #ifndef __POCKETPC__
 181     else
 182         msflags |= WS_POPUP;
 183 #endif
 184 #endif
 185
 186     // normally we consider that all windows without a caption must be popups,
 187     // but CE is an exception: there windows normally do not have the caption
 188     // but shouldn't be made popups as popups can't have menus and don't look
 189     // like normal windows anyhow
 190
 191     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 192     // we need it.
 193 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 194     if ( style & wxCAPTION )
 195         msflags |= WS_CAPTION;
 196 #ifndef __WXWINCE__
 197     else
 198         msflags |= WS_POPUP;
 199 #endif // !__WXWINCE__
 200 #endif
 201
 202     // next translate the individual flags
 203     if ( style & wxMINIMIZE_BOX )
 204         msflags |= WS_MINIMIZEBOX;
 205     if ( style & wxMAXIMIZE_BOX )
 206         msflags |= WS_MAXIMIZEBOX;
 207
 208 #ifndef __WXWINCE__
 209     if ( style & wxSYSTEM_MENU )
 210         msflags |= WS_SYSMENU;
 211 #endif
 212
 213     // NB: under CE these 2 styles are not supported currently, we should
 214     //     call Minimize()/Maximize() "manually" if we want to support them
 215     if ( style & wxMINIMIZE )
 216         msflags |= WS_MINIMIZE;
 217
 218 #if !defined(__POCKETPC__)
 219     if ( style & wxMAXIMIZE )
 220         msflags |= WS_MAXIMIZE;
 221 #endif
 222
 223     // Keep this here because it saves recoding this function in wxTinyFrame
 224     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 225         msflags |= WS_CAPTION;
 226
 227     if ( exflags )
 228     {
 229         // there is no taskbar under CE, so omit all this
 230 #if !defined(__WXWINCE__)
 231         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 232         {
 233             if ( style & wxFRAME_TOOL_WINDOW )
 234             {
 235                 // create the palette-like window
 236                 *exflags |= WS_EX_TOOLWINDOW;
 237
 238                 // tool windows shouldn't appear on the taskbar (as documented)
 239                 style |= wxFRAME_NO_TASKBAR;
 240             }
 241
 242             // We have to solve 2 different problems here:
 243             //
 244             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 245             //    taskbar even if they don't have a parent
 246             //
 247             // 2. frames without this style should appear in the taskbar even
 248             //    if they're owned (Windows only puts non owned windows into
 249             //    the taskbar normally)
 250             //
 251             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 252             // first one is dealt with in our MSWGetParent() method
 253             // implementation
 254             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 255             {
 256                 // need to force the frame to appear in the taskbar
 257                 *exflags |= WS_EX_APPWINDOW;
 258             }
 259             //else: nothing to do [here]
 260         }
 261
 262         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 263             *exflags |= WS_EX_CONTEXTHELP;
 264 #endif // !__WXWINCE__
 265
 266         if ( style & wxSTAY_ON_TOP )
 267             *exflags |= WS_EX_TOPMOST;
 268     }
 269
 270     return msflags;
 271 }
 272
 273 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 274 {
 275     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 276     // parent HWND or it would be always on top of its parent which is not what
 277     // we usually want (in fact, we only want it for frames with the
 278     // wxFRAME_FLOAT_ON_PARENT flag)
 279     HWND hwndParent = NULL;
 280     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 281     {
 282         const wxWindow *parent = GetParent();
 283
 284         if ( !parent )
 285         {
 286             // this flag doesn't make sense then and will be ignored
 287             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 288         }
 289         else
 290         {
 291             hwndParent = GetHwndOf(parent);
 292         }
 293     }
 294     //else: don't float on parent, must not be owned
 295
 296     // now deal with the 2nd taskbar-related problem (see comments above in
 297     // MSWGetStyle())
 298     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 299     {
 300         // use hidden parent
 301         hwndParent = wxTLWHiddenParentModule::GetHWND();
 302     }
 303
 304     return (WXHWND)hwndParent;
 305 }
 306
 307 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 308                                        const wxString& title,
 309                                        const wxPoint& pos,
 310                                        const wxSize& size)
 311 {
 312 #ifdef __WXMICROWIN__
 313     // no dialogs support under MicroWin yet
 314     return CreateFrame(title, pos, size);
 315 #else // !__WXMICROWIN__
 316     wxWindow *parent = GetParent();
 317
 318     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 319     // app window as parent - this avoids creating modal dialogs without
 320     // parent
 321     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 322     {
 323         parent = wxTheApp->GetTopWindow();
 324
 325         if ( parent )
 326         {
 327             // don't use transient windows as parents, this is dangerous as it
 328             // can lead to a crash if the parent is destroyed before the child
 329             //
 330             // also don't use the window which is currently hidden as then the
 331             // dialog would be hidden as well
 332             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 333                     !parent->IsShown() )
 334             {
 335                 parent = NULL;
 336             }
 337         }
 338     }
 339
 340     m_hWnd = (WXHWND)::CreateDialogIndirect
 341                        (
 342                         wxGetInstance(),
 343                         (DLGTEMPLATE*)dlgTemplate,
 344                         parent ? GetHwndOf(parent) : NULL,
 345                         (DLGPROC)wxDlgProc
 346                        );
 347
 348     if ( !m_hWnd )
 349     {
 350         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 351
 352         wxLogSysError(wxT("Can't create dialog using memory template"));
 353
 354         return false;
 355     }
 356
 357     WXDWORD exflags;
 358     (void)MSWGetCreateWindowFlags(&exflags);
 359
 360     if ( exflags )
 361     {
 362         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 363         ::SetWindowPos(GetHwnd(),
 364                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 365                        0, 0, 0, 0,
 366                        SWP_NOSIZE |
 367                        SWP_NOMOVE |
 368                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 369                        SWP_NOACTIVATE);
 370     }
 371
 372 #if !defined(__WXWINCE__)
 373     // For some reason, the system menu is activated when we use the
 374     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 375     if ( exflags & WS_EX_CONTEXTHELP )
 376     {
 377         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 378         if ( winTop )
 379         {
 380             wxIcon icon = winTop->GetIcon();
 381             if ( icon.Ok() )
 382             {
 383                 ::SendMessage(GetHwnd(), WM_SETICON,
 384                               (WPARAM)TRUE,
 385                               (LPARAM)GetHiconOf(icon));
 386             }
 387         }
 388     }
 389 #endif
 390
 391     // move the dialog to its initial position without forcing repainting
 392     int x, y, w, h;
 393     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 394
 395     if ( x == (int)CW_USEDEFAULT )
 396     {
 397         // centre it on the screen - what else can we do?
 398         wxSize sizeDpy = wxGetDisplaySize();
 399
 400         x = (sizeDpy.x - w) / 2;
 401         y = (sizeDpy.y - h) / 2;
 402     }
 403
 404 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 405     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 406     {
 407         wxLogLastError(wxT("MoveWindow"));
 408     }
 409 #endif
 410
 411     if ( !title.empty() )
 412     {
 413         ::SetWindowText(GetHwnd(), title);
 414     }
 415
 416     SubclassWin(m_hWnd);
 417
 418 #ifdef __SMARTPHONE__
 419     // Work around title non-display glitch
 420     Show(false);
 421 #endif
 422
 423     return true;
 424 #endif // __WXMICROWIN__/!__WXMICROWIN__
 425 }
 426
 427 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 428                                       const wxPoint& pos,
 429                                       const wxSize& size)
 430 {
 431     WXDWORD exflags;
 432     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 433
 434 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 435     defined(__POCKETPC__) || \
 436     defined(__SMARTPHONE__))
 437     // Always expand to fit the screen in PocketPC or SmartPhone
 438     wxSize sz(wxDefaultSize);
 439     wxUnusedVar(size);
 440 #else // other (including normal desktop) Windows
 441     wxSize sz(size);
 442 #endif
 443
 444     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 445
 446     return result;
 447 }
 448
 449 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 450                                  wxWindowID id,
 451                                  const wxString& title,
 452                                  const wxPoint& pos,
 453                                  const wxSize& size,
 454                                  long style,
 455                                  const wxString& name)
 456 {
 457     bool ret wxDUMMY_INITIALIZE(false);
 458
 459     // init our fields
 460     Init();
 461
 462     wxSize sizeReal = size;
 463     if ( !sizeReal.IsFullySpecified() )
 464     {
 465         sizeReal.SetDefaults(GetDefaultSize());
 466     }
 467
 468     m_windowStyle = style;
 469
 470     SetName(name);
 471
 472     m_windowId = id == wxID_ANY ? NewControlId() : id;
 473
 474     wxTopLevelWindows.Append(this);
 475
 476     if ( parent )
 477         parent->AddChild(this);
 478
 479     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 480     {
 481         // we have different dialog templates to allows creation of dialogs
 482         // with & without captions under MSWindows, resizeable or not (but a
 483         // resizeable dialog always has caption - otherwise it would look too
 484         // strange)
 485
 486         // we need 3 additional WORDs for dialog menu, class and title (as we
 487         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 488         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 489         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 490         memset(dlgTemplate, 0, dlgsize);
 491
 492         // these values are arbitrary, they won't be used normally anyhow
 493         dlgTemplate->x  = 34;
 494         dlgTemplate->y  = 22;
 495         dlgTemplate->cx = 144;
 496         dlgTemplate->cy = 75;
 497
 498         // reuse the code in MSWGetStyle() but correct the results slightly for
 499         // the dialog
 500         dlgTemplate->style = MSWGetStyle(style, NULL);
 501
 502         // all dialogs are popups
 503         dlgTemplate->style |= WS_POPUP;
 504
 505 #ifndef __WXWINCE__
 506         // force 3D-look if necessary, it looks impossibly ugly otherwise
 507         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 508             dlgTemplate->style |= DS_MODALFRAME;
 509 #endif
 510
 511         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 512         free(dlgTemplate);
 513     }
 514     else // !dialog
 515     {
 516         ret = CreateFrame(title, pos, sizeReal);
 517     }
 518
 519 #ifndef __WXWINCE__
 520     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 521     {
 522         EnableCloseButton(false);
 523     }
 524 #endif
 525
 526     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 527     // itself but for custom windows we have to do it ourselves in order to
 528     // make the keyboard indicators (such as underlines for accelerators and
 529     // focus rectangles) work under Win2k+
 530     if ( ret )
 531     {
 532         MSWUpdateUIState(UIS_INITIALIZE);
 533     }
 534
 535     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 536     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 537 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 538     if ( style & wxMAXIMIZE )
 539     {
 540         this->Maximize();
 541     }
 542 #endif
 543
 544 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 545     SetRightMenu(); // to nothing for initialization
 546 #endif
 547
 548     return ret;
 549 }
 550
 551 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 552 {
 553     // after destroying an owned window, Windows activates the next top level
 554     // window in Z order but it may be different from our owner (to reproduce
 555     // this simply Alt-TAB to another application and back before closing the
 556     // owned frame) whereas we always want to yield activation to our parent
 557     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 558     {
 559         wxWindow *parent = GetParent();
 560         if ( parent )
 561         {
 562             ::BringWindowToTop(GetHwndOf(parent));
 563         }
 564     }
 565 }
 566
 567 // ----------------------------------------------------------------------------
 568 // wxTopLevelWindowMSW showing
 569 // ----------------------------------------------------------------------------
 570
 571 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 572 {
 573     ::ShowWindow(GetHwnd(), nShowCmd);
 574
 575     m_iconized = nShowCmd == SW_MINIMIZE;
 576 }
 577
 578 bool wxTopLevelWindowMSW::Show(bool show)
 579 {
 580     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 581     if ( !wxWindowBase::Show(show) )
 582         return false;
 583
 584     int nShowCmd;
 585     if ( show )
 586     {
 587         if ( m_maximizeOnShow )
 588         {
 589             // show and maximize
 590             nShowCmd = SW_MAXIMIZE;
 591
 592             // This is necessary, or no window appears
 593 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 594             DoShowWindow(SW_SHOW);
 595 #endif
 596
 597             m_maximizeOnShow = false;
 598         }
 599         else // just show
 600         {
 601            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 602                nShowCmd = SW_SHOWNA;
 603            else
 604                nShowCmd = SW_SHOW;
 605         }
 606     }
 607     else // hide
 608     {
 609         nShowCmd = SW_HIDE;
 610     }
 611
 612     DoShowWindow(nShowCmd);
 613
 614 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 615     // Addornments have to be added when the frame is the correct size
 616     wxFrame* frame = wxDynamicCast(this, wxFrame);
 617     if (frame && frame->GetMenuBar())
 618         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 619 #endif
 620 }
 621
 622 // ----------------------------------------------------------------------------
 623 // wxTopLevelWindowMSW maximize/minimize
 624 // ----------------------------------------------------------------------------
 625
 626 void wxTopLevelWindowMSW::Maximize(bool maximize)
 627 {
 628     if ( IsShown() )
 629     {
 630         // just maximize it directly
 631         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 632     }
 633     else // hidden
 634     {
 635         // we can't maximize the hidden frame because it shows it as well, so
 636         // just remember that we should do it later in this case
 637         m_maximizeOnShow = maximize;
 638
 639         // after calling Maximize() the client code expects to get the frame
 640         // "real" size and doesn't want to know that, because of implementation
 641         // details, the frame isn't really maximized yet but will be only once
 642         // it's shown, so return our size as it will be then in this case
 643
 644         // we don't know which display we're on yet so use the default one
 645         SetSize(wxGetClientDisplayRect().GetSize());
 646     }
 647 }
 648
 649 bool wxTopLevelWindowMSW::IsMaximized() const
 650 {
 651 #ifdef __WXWINCE__
 652     return false;
 653 #else
 654     return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
 655 #endif
 656 }
 657
 658 void wxTopLevelWindowMSW::Iconize(bool iconize)
 659 {
 660     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 661 }
 662
 663 bool wxTopLevelWindowMSW::IsIconized() const
 664 {
 665 #ifdef __WXWINCE__
 666     return false;
 667 #else
 668     // also update the current state
 669     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 670
 671     return m_iconized;
 672 #endif
 673 }
 674
 675 void wxTopLevelWindowMSW::Restore()
 676 {
 677     DoShowWindow(SW_RESTORE);
 678 }
 679
 680 // ----------------------------------------------------------------------------
 681 // wxTopLevelWindowMSW fullscreen
 682 // ----------------------------------------------------------------------------
 683
 684 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 685 {
 686     if ( show == IsFullScreen() )
 687     {
 688         // nothing to do
 689         return true;
 690     }
 691
 692     m_fsIsShowing = show;
 693
 694     if ( show )
 695     {
 696         m_fsStyle = style;
 697
 698         // zap the frame borders
 699
 700         // save the 'normal' window style
 701         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 702
 703         // save the old position, width & height, maximize state
 704         m_fsOldSize = GetRect();
 705         m_fsIsMaximized = IsMaximized();
 706
 707         // decide which window style flags to turn off
 708         LONG newStyle = m_fsOldWindowStyle;
 709         LONG offFlags = 0;
 710
 711         if (style & wxFULLSCREEN_NOBORDER)
 712         {
 713             offFlags |= WS_BORDER;
 714 #ifndef __WXWINCE__
 715             offFlags |= WS_THICKFRAME;
 716 #endif
 717         }
 718         if (style & wxFULLSCREEN_NOCAPTION)
 719             offFlags |= WS_CAPTION | WS_SYSMENU;
 720
 721         newStyle &= ~offFlags;
 722
 723         // change our window style to be compatible with full-screen mode
 724         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 725
 726         wxRect rect;
 727 #if wxUSE_DISPLAY
 728         // resize to the size of the display containing us
 729         int dpy = wxDisplay::GetFromWindow(this);
 730         if ( dpy != wxNOT_FOUND )
 731         {
 732             rect = wxDisplay(dpy).GetGeometry();
 733         }
 734         else // fall back to the main desktop
 735 #endif // wxUSE_DISPLAY
 736         {
 737             // resize to the size of the desktop
 738             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 739 #ifdef __WXWINCE__
 740             // FIXME: size of the bottom menu (toolbar)
 741             // should be taken in account
 742             rect.height += rect.y;
 743             rect.y       = 0;
 744 #endif
 745         }
 746
 747         SetSize(rect);
 748
 749         // now flush the window style cache and actually go full-screen
 750         long flags = SWP_FRAMECHANGED;
 751
 752         // showing the frame full screen should also show it if it's still
 753         // hidden
 754         if ( !IsShown() )
 755         {
 756             // don't call wxWindow version to avoid flicker from calling
 757             // ::ShowWindow() -- we're going to show the window at the correct
 758             // location directly below -- but do call the wxWindowBase version
 759             // to sync the internal m_isShown flag
 760             wxWindowBase::Show();
 761
 762             flags |= SWP_SHOWWINDOW;
 763         }
 764
 765         SetWindowPos(GetHwnd(), HWND_TOP,
 766                      rect.x, rect.y, rect.width, rect.height,
 767                      flags);
 768
 769 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 770         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 771 #endif
 772
 773         // finally send an event allowing the window to relayout itself &c
 774         wxSizeEvent event(rect.GetSize(), GetId());
 775         GetEventHandler()->ProcessEvent(event);
 776     }
 777     else // stop showing full screen
 778     {
 779 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 780         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 781 #endif
 782         Maximize(m_fsIsMaximized);
 783         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 784         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 785             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 786     }
 787
 788     return true;
 789 }
 790
 791 // ----------------------------------------------------------------------------
 792 // wxTopLevelWindowMSW misc
 793 // ----------------------------------------------------------------------------
 794
 795 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 796 {
 797     SetLabel(title);
 798 }
 799
 800 wxString wxTopLevelWindowMSW::GetTitle() const
 801 {
 802     return GetLabel();
 803 }
 804
 805 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 806 {
 807     SetIcons( wxIconBundle( icon ) );
 808 }
 809
 810 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 811 {
 812     wxTopLevelWindowBase::SetIcons(icons);
 813
 814 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 815     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 816     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 817     {
 818         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 819                        (LPARAM)GetHiconOf(sml) );
 820     }
 821
 822     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 823     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 824     {
 825         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 826                        (LPARAM)GetHiconOf(big) );
 827     }
 828 #endif // __WIN95__
 829 }
 830
 831 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 832 {
 833 #if !defined(__WXMICROWIN__)
 834     // get system (a.k.a. window) menu
 835     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 836     if ( !hmenu )
 837     {
 838         // no system menu at all -- ok if we want to remove the close button
 839         // anyhow, but bad if we want to show it
 840         return !enable;
 841     }
 842
 843     // enabling/disabling the close item from it also automatically
 844     // disables/enables the close title bar button
 845     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 846                           MF_BYCOMMAND |
 847                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 848     {
 849         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 850
 851         return false;
 852     }
 853 #ifndef __WXWINCE__
 854     // update appearance immediately
 855     if ( !::DrawMenuBar(GetHwnd()) )
 856     {
 857         wxLogLastError(_T("DrawMenuBar"));
 858     }
 859 #endif
 860 #endif // !__WXMICROWIN__
 861
 862     return true;
 863 }
 864
 865 #ifndef __WXWINCE__
 866
 867 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 868 {
 869     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 870                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 871
 872     // The empty region signifies that the shape should be removed from the
 873     // window.
 874     if ( region.IsEmpty() )
 875     {
 876         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 877         {
 878             wxLogLastError(_T("SetWindowRgn"));
 879             return false;
 880         }
 881         return true;
 882     }
 883
 884     // Windows takes ownership of the region, so
 885     // we'll have to make a copy of the region to give to it.
 886     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 887     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 888     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 889     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 890     delete[] (char*) rgnData;
 891
 892     // SetWindowRgn expects the region to be in coordinants
 893     // relative to the window, not the client area.  Figure
 894     // out the offset, if any.
 895     RECT rect;
 896     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 897     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 898     ::GetClientRect(GetHwnd(), &rect);
 899     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 900     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 901
 902     // Now call the shape API with the new region.
 903     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 904     {
 905         wxLogLastError(_T("SetWindowRgn"));
 906         return false;
 907     }
 908     return true;
 909 }
 910
 911 #endif // !__WXWINCE__
 912
 913 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 914 {
 915     // check if we can use FlashWindowEx(): unfortunately a simple test for
 916     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 917     // provide FlashWindowEx() declaration, so try to detect whether we have
 918     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 919     // declated in MSVC6 header
 920 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 921     // available in the headers, check if it is supported by the system
 922     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 923     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 924     if ( !s_pfnFlashWindowEx )
 925     {
 926         wxDynamicLibrary dllUser32(_T("user32.dll"));
 927         s_pfnFlashWindowEx = (FlashWindowEx_t)
 928                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 929
 930         // we can safely unload user32.dll here, it's going to remain loaded as
 931         // long as the program is running anyhow
 932     }
 933
 934     if ( s_pfnFlashWindowEx )
 935     {
 936         WinStruct<FLASHWINFO> fwi;
 937         fwi.hwnd = GetHwnd();
 938         fwi.dwFlags = FLASHW_ALL;
 939         if ( flags & wxUSER_ATTENTION_INFO )
 940         {
 941             // just flash a few times
 942             fwi.uCount = 3;
 943         }
 944         else // wxUSER_ATTENTION_ERROR
 945         {
 946             // flash until the user notices it
 947             fwi.dwFlags |= FLASHW_TIMERNOFG;
 948         }
 949
 950         s_pfnFlashWindowEx(&fwi);
 951     }
 952     else // FlashWindowEx() not available
 953 #endif // FlashWindowEx() defined
 954     {
 955         wxUnusedVar(flags);
 956 #ifndef __WXWINCE__
 957         ::FlashWindow(GetHwnd(), TRUE);
 958 #endif // __WXWINCE__
 959     }
 960 }
 961
 962 // ----------------------------------------------------------------------------
 963 // wxTopLevelWindow event handling
 964 // ----------------------------------------------------------------------------
 965
 966 // Default activation behaviour - set the focus for the first child
 967 // subwindow found.
 968 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 969 {
 970     if ( event.GetActive() )
 971     {
 972         // restore focus to the child which was last focused unless we already
 973         // have it
 974         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 975
 976         wxWindow *winFocus = FindFocus();
 977         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 978         {
 979             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 980                                                 : NULL;
 981             if ( !parent )
 982             {
 983                 parent = this;
 984             }
 985
 986             wxSetFocusToChild(parent, &m_winLastFocused);
 987         }
 988     }
 989     else // deactivating
 990     {
 991         // remember the last focused child if it is our child
 992         m_winLastFocused = FindFocus();
 993
 994         if ( m_winLastFocused )
 995         {
 996             // let it know that it doesn't have focus any more
 997             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 998
 999             // and don't remember it if it's a child from some other frame
1000             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1001             {
1002                 m_winLastFocused = NULL;
1003             }
1004         }
1005
1006         wxLogTrace(_T("focus"),
1007                    _T("wxTLW %08x deactivated, last focused: %08x."),
1008                    (int) m_hWnd,
1009                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1010                                            : NULL));
1011
1012         event.Skip();
1013     }
1014 }
1015
1016 // the DialogProc for all wxWidgets dialogs
1017 LONG APIENTRY _EXPORT
1018 wxDlgProc(HWND hDlg,
1019           UINT message,
1020           WPARAM WXUNUSED(wParam),
1021           LPARAM WXUNUSED(lParam))
1022 {
1023     if ( message == WM_INITDIALOG )
1024     {
1025         // under CE, add a "Ok" button in the dialog title bar and make it full
1026         // screen
1027         //
1028         // TODO: find the window for this HWND, and take into account
1029         // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1030         //
1031         // Standard SDK doesn't have aygshell.dll: see
1032         // include/wx/msw/wince/libraries.h
1033 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1034         SHINITDLGINFO shidi;
1035         shidi.dwMask = SHIDIM_FLAGS;
1036         shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1037 #ifndef __SMARTPHONE__
1038                         | SHIDIF_DONEBUTTON
1039 #endif
1040                         ;
1041         shidi.hDlg = hDlg;
1042         SHInitDialog( &shidi );
1043 #else // no SHInitDialog()
1044         wxUnusedVar(hDlg);
1045 #endif
1046     }
1047
1048     // for almost all messages, returning FALSE means that we didn't process
1049     // the message
1050     //
1051     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1052     // the first control in the dialog box, but as we set the focus
1053     // ourselves, we return FALSE for it as well
1054     return FALSE;
1055 }
1056
1057 // ============================================================================
1058 // wxTLWHiddenParentModule implementation
1059 // ============================================================================
1060
1061 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1062
1063 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1064
1065 bool wxTLWHiddenParentModule::OnInit()
1066 {
1067     ms_hwnd = NULL;
1068     ms_className = NULL;
1069
1070     return true;
1071 }
1072
1073 void wxTLWHiddenParentModule::OnExit()
1074 {
1075     if ( ms_hwnd )
1076     {
1077         if ( !::DestroyWindow(ms_hwnd) )
1078         {
1079             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1080         }
1081
1082         ms_hwnd = NULL;
1083     }
1084
1085     if ( ms_className )
1086     {
1087         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1088         {
1089             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1090         }
1091
1092         ms_className = NULL;
1093     }
1094 }
1095
1096 /* static */
1097 HWND wxTLWHiddenParentModule::GetHWND()
1098 {
1099     if ( !ms_hwnd )
1100     {
1101         if ( !ms_className )
1102         {
1103             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1104
1105             WNDCLASS wndclass;
1106             wxZeroMemory(wndclass);
1107
1108             wndclass.lpfnWndProc   = DefWindowProc;
1109             wndclass.hInstance     = wxGetInstance();
1110             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1111
1112             if ( !::RegisterClass(&wndclass) )
1113             {
1114                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1115             }
1116             else
1117             {
1118                 ms_className = HIDDEN_PARENT_CLASS;
1119             }
1120         }
1121
1122         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1123                                  (HMENU)NULL, wxGetInstance(), NULL);
1124         if ( !ms_hwnd )
1125         {
1126             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1127         }
1128     }
1129
1130     return ms_hwnd;
1131 }