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     if ( show )
 622     {
 623         ::BringWindowToTop(GetHwnd());
 624
 625         wxActivateEvent event(wxEVT_ACTIVATE, true, m_windowId);
 626         event.SetEventObject( this );
 627         GetEventHandler()->ProcessEvent(event);
 628     }
 629     else // hide
 630     {
 631         // Try to highlight the correct window (the parent)
 632         if ( GetParent() )
 633         {
 634             HWND hWndParent = GetHwndOf(GetParent());
 635             if (hWndParent)
 636                 ::BringWindowToTop(hWndParent);
 637         }
 638     }
 639
 640     return true;
 641 }
 642
 643 // ----------------------------------------------------------------------------
 644 // wxTopLevelWindowMSW maximize/minimize
 645 // ----------------------------------------------------------------------------
 646
 647 void wxTopLevelWindowMSW::Maximize(bool maximize)
 648 {
 649     if ( IsShown() )
 650     {
 651         // just maximize it directly
 652         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 653     }
 654     else // hidden
 655     {
 656         // we can't maximize the hidden frame because it shows it as well, so
 657         // just remember that we should do it later in this case
 658         m_maximizeOnShow = maximize;
 659
 660         // after calling Maximize() the client code expects to get the frame
 661         // "real" size and doesn't want to know that, because of implementation
 662         // details, the frame isn't really maximized yet but will be only once
 663         // it's shown, so return our size as it will be then in this case
 664
 665         // we don't know which display we're on yet so use the default one
 666         SetSize(wxGetClientDisplayRect().GetSize());
 667     }
 668 }
 669
 670 bool wxTopLevelWindowMSW::IsMaximized() const
 671 {
 672 #ifdef __WXWINCE__
 673     return false;
 674 #else
 675     return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
 676 #endif
 677 }
 678
 679 void wxTopLevelWindowMSW::Iconize(bool iconize)
 680 {
 681     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 682 }
 683
 684 bool wxTopLevelWindowMSW::IsIconized() const
 685 {
 686 #ifdef __WXWINCE__
 687     return false;
 688 #else
 689     // also update the current state
 690     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 691
 692     return m_iconized;
 693 #endif
 694 }
 695
 696 void wxTopLevelWindowMSW::Restore()
 697 {
 698     DoShowWindow(SW_RESTORE);
 699 }
 700
 701 // ----------------------------------------------------------------------------
 702 // wxTopLevelWindowMSW fullscreen
 703 // ----------------------------------------------------------------------------
 704
 705 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 706 {
 707     if ( show == IsFullScreen() )
 708     {
 709         // nothing to do
 710         return true;
 711     }
 712
 713     m_fsIsShowing = show;
 714
 715     if ( show )
 716     {
 717         m_fsStyle = style;
 718
 719         // zap the frame borders
 720
 721         // save the 'normal' window style
 722         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 723
 724         // save the old position, width & height, maximize state
 725         m_fsOldSize = GetRect();
 726         m_fsIsMaximized = IsMaximized();
 727
 728         // decide which window style flags to turn off
 729         LONG newStyle = m_fsOldWindowStyle;
 730         LONG offFlags = 0;
 731
 732         if (style & wxFULLSCREEN_NOBORDER)
 733         {
 734             offFlags |= WS_BORDER;
 735 #ifndef __WXWINCE__
 736             offFlags |= WS_THICKFRAME;
 737 #endif
 738         }
 739         if (style & wxFULLSCREEN_NOCAPTION)
 740             offFlags |= WS_CAPTION | WS_SYSMENU;
 741
 742         newStyle &= ~offFlags;
 743
 744         // change our window style to be compatible with full-screen mode
 745         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 746
 747         wxRect rect;
 748 #if wxUSE_DISPLAY
 749         // resize to the size of the display containing us
 750         int dpy = wxDisplay::GetFromWindow(this);
 751         if ( dpy != wxNOT_FOUND )
 752         {
 753             rect = wxDisplay(dpy).GetGeometry();
 754         }
 755         else // fall back to the main desktop
 756 #endif // wxUSE_DISPLAY
 757         {
 758             // resize to the size of the desktop
 759             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 760 #ifdef __WXWINCE__
 761             // FIXME: size of the bottom menu (toolbar)
 762             // should be taken in account
 763             rect.height += rect.y;
 764             rect.y       = 0;
 765 #endif
 766         }
 767
 768         SetSize(rect);
 769
 770         // now flush the window style cache and actually go full-screen
 771         long flags = SWP_FRAMECHANGED;
 772
 773         // showing the frame full screen should also show it if it's still
 774         // hidden
 775         if ( !IsShown() )
 776         {
 777             // don't call wxWindow version to avoid flicker from calling
 778             // ::ShowWindow() -- we're going to show the window at the correct
 779             // location directly below -- but do call the wxWindowBase version
 780             // to sync the internal m_isShown flag
 781             wxWindowBase::Show();
 782
 783             flags |= SWP_SHOWWINDOW;
 784         }
 785
 786         SetWindowPos(GetHwnd(), HWND_TOP,
 787                      rect.x, rect.y, rect.width, rect.height,
 788                      flags);
 789
 790 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 791         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 792 #endif
 793
 794         // finally send an event allowing the window to relayout itself &c
 795         wxSizeEvent event(rect.GetSize(), GetId());
 796         GetEventHandler()->ProcessEvent(event);
 797     }
 798     else // stop showing full screen
 799     {
 800 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 801         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 802 #endif
 803         Maximize(m_fsIsMaximized);
 804         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 805         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 806             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 807     }
 808
 809     return true;
 810 }
 811
 812 // ----------------------------------------------------------------------------
 813 // wxTopLevelWindowMSW misc
 814 // ----------------------------------------------------------------------------
 815
 816 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 817 {
 818     SetLabel(title);
 819 }
 820
 821 wxString wxTopLevelWindowMSW::GetTitle() const
 822 {
 823     return GetLabel();
 824 }
 825
 826 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 827 {
 828     SetIcons( wxIconBundle( icon ) );
 829 }
 830
 831 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 832 {
 833     wxTopLevelWindowBase::SetIcons(icons);
 834
 835 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 836     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 837     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 838     {
 839         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 840                        (LPARAM)GetHiconOf(sml) );
 841     }
 842
 843     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 844     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 845     {
 846         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 847                        (LPARAM)GetHiconOf(big) );
 848     }
 849 #endif // __WIN95__
 850 }
 851
 852 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 853 {
 854 #if !defined(__WXMICROWIN__)
 855     // get system (a.k.a. window) menu
 856     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 857     if ( !hmenu )
 858     {
 859         // no system menu at all -- ok if we want to remove the close button
 860         // anyhow, but bad if we want to show it
 861         return !enable;
 862     }
 863
 864     // enabling/disabling the close item from it also automatically
 865     // disables/enables the close title bar button
 866     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 867                           MF_BYCOMMAND |
 868                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 869     {
 870         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 871
 872         return false;
 873     }
 874 #ifndef __WXWINCE__
 875     // update appearance immediately
 876     if ( !::DrawMenuBar(GetHwnd()) )
 877     {
 878         wxLogLastError(_T("DrawMenuBar"));
 879     }
 880 #endif
 881 #endif // !__WXMICROWIN__
 882
 883     return true;
 884 }
 885
 886 #ifndef __WXWINCE__
 887
 888 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 889 {
 890     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 891                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 892
 893     // The empty region signifies that the shape should be removed from the
 894     // window.
 895     if ( region.IsEmpty() )
 896     {
 897         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 898         {
 899             wxLogLastError(_T("SetWindowRgn"));
 900             return false;
 901         }
 902         return true;
 903     }
 904
 905     // Windows takes ownership of the region, so
 906     // we'll have to make a copy of the region to give to it.
 907     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 908     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 909     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 910     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 911     delete[] (char*) rgnData;
 912
 913     // SetWindowRgn expects the region to be in coordinants
 914     // relative to the window, not the client area.  Figure
 915     // out the offset, if any.
 916     RECT rect;
 917     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 918     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 919     ::GetClientRect(GetHwnd(), &rect);
 920     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 921     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 922
 923     // Now call the shape API with the new region.
 924     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 925     {
 926         wxLogLastError(_T("SetWindowRgn"));
 927         return false;
 928     }
 929     return true;
 930 }
 931
 932 #endif // !__WXWINCE__
 933
 934 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 935 {
 936     // check if we can use FlashWindowEx(): unfortunately a simple test for
 937     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 938     // provide FlashWindowEx() declaration, so try to detect whether we have
 939     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 940     // declated in MSVC6 header
 941 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 942     // available in the headers, check if it is supported by the system
 943     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 944     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 945     if ( !s_pfnFlashWindowEx )
 946     {
 947         wxDynamicLibrary dllUser32(_T("user32.dll"));
 948         s_pfnFlashWindowEx = (FlashWindowEx_t)
 949                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 950
 951         // we can safely unload user32.dll here, it's going to remain loaded as
 952         // long as the program is running anyhow
 953     }
 954
 955     if ( s_pfnFlashWindowEx )
 956     {
 957         WinStruct<FLASHWINFO> fwi;
 958         fwi.hwnd = GetHwnd();
 959         fwi.dwFlags = FLASHW_ALL;
 960         if ( flags & wxUSER_ATTENTION_INFO )
 961         {
 962             // just flash a few times
 963             fwi.uCount = 3;
 964         }
 965         else // wxUSER_ATTENTION_ERROR
 966         {
 967             // flash until the user notices it
 968             fwi.dwFlags |= FLASHW_TIMERNOFG;
 969         }
 970
 971         s_pfnFlashWindowEx(&fwi);
 972     }
 973     else // FlashWindowEx() not available
 974 #endif // FlashWindowEx() defined
 975     {
 976         wxUnusedVar(flags);
 977 #ifndef __WXWINCE__
 978         ::FlashWindow(GetHwnd(), TRUE);
 979 #endif // __WXWINCE__
 980     }
 981 }
 982
 983 // ----------------------------------------------------------------------------
 984 // wxTopLevelWindow event handling
 985 // ----------------------------------------------------------------------------
 986
 987 // Default activation behaviour - set the focus for the first child
 988 // subwindow found.
 989 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 990 {
 991     if ( event.GetActive() )
 992     {
 993         // restore focus to the child which was last focused unless we already
 994         // have it
 995         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 996
 997         wxWindow *winFocus = FindFocus();
 998         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 999         {
1000             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1001                                                 : NULL;
1002             if ( !parent )
1003             {
1004                 parent = this;
1005             }
1006
1007             wxSetFocusToChild(parent, &m_winLastFocused);
1008         }
1009     }
1010     else // deactivating
1011     {
1012         // remember the last focused child if it is our child
1013         m_winLastFocused = FindFocus();
1014
1015         if ( m_winLastFocused )
1016         {
1017             // let it know that it doesn't have focus any more
1018             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1019
1020             // and don't remember it if it's a child from some other frame
1021             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1022             {
1023                 m_winLastFocused = NULL;
1024             }
1025         }
1026
1027         wxLogTrace(_T("focus"),
1028                    _T("wxTLW %08x deactivated, last focused: %08x."),
1029                    (int) m_hWnd,
1030                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1031                                            : NULL));
1032
1033         event.Skip();
1034     }
1035 }
1036
1037 // the DialogProc for all wxWidgets dialogs
1038 LONG APIENTRY _EXPORT
1039 wxDlgProc(HWND hDlg,
1040           UINT message,
1041           WPARAM WXUNUSED(wParam),
1042           LPARAM WXUNUSED(lParam))
1043 {
1044     if ( message == WM_INITDIALOG )
1045     {
1046         // under CE, add a "Ok" button in the dialog title bar and make it full
1047         // screen
1048         //
1049         // TODO: find the window for this HWND, and take into account
1050         // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1051         //
1052         // Standard SDK doesn't have aygshell.dll: see
1053         // include/wx/msw/wince/libraries.h
1054 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1055         SHINITDLGINFO shidi;
1056         shidi.dwMask = SHIDIM_FLAGS;
1057         shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1058 #ifndef __SMARTPHONE__
1059                         | SHIDIF_DONEBUTTON
1060 #endif
1061                         ;
1062         shidi.hDlg = hDlg;
1063         SHInitDialog( &shidi );
1064 #else // no SHInitDialog()
1065         wxUnusedVar(hDlg);
1066 #endif
1067     }
1068
1069     // for almost all messages, returning FALSE means that we didn't process
1070     // the message
1071     //
1072     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1073     // the first control in the dialog box, but as we set the focus
1074     // ourselves, we return FALSE for it as well
1075     return FALSE;
1076 }
1077
1078 // ============================================================================
1079 // wxTLWHiddenParentModule implementation
1080 // ============================================================================
1081
1082 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1083
1084 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1085
1086 bool wxTLWHiddenParentModule::OnInit()
1087 {
1088     ms_hwnd = NULL;
1089     ms_className = NULL;
1090
1091     return true;
1092 }
1093
1094 void wxTLWHiddenParentModule::OnExit()
1095 {
1096     if ( ms_hwnd )
1097     {
1098         if ( !::DestroyWindow(ms_hwnd) )
1099         {
1100             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1101         }
1102
1103         ms_hwnd = NULL;
1104     }
1105
1106     if ( ms_className )
1107     {
1108         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1109         {
1110             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1111         }
1112
1113         ms_className = NULL;
1114     }
1115 }
1116
1117 /* static */
1118 HWND wxTLWHiddenParentModule::GetHWND()
1119 {
1120     if ( !ms_hwnd )
1121     {
1122         if ( !ms_className )
1123         {
1124             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1125
1126             WNDCLASS wndclass;
1127             wxZeroMemory(wndclass);
1128
1129             wndclass.lpfnWndProc   = DefWindowProc;
1130             wndclass.hInstance     = wxGetInstance();
1131             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1132
1133             if ( !::RegisterClass(&wndclass) )
1134             {
1135                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1136             }
1137             else
1138             {
1139                 ms_className = HIDDEN_PARENT_CLASS;
1140             }
1141         }
1142
1143         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1144                                  (HMENU)NULL, wxGetInstance(), NULL);
1145         if ( !ms_hwnd )
1146         {
1147             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1148         }
1149     }
1150
1151     return ms_hwnd;
1152 }