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
  44 #include "wx/msw/private.h"
  45 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  46   #include <ole2.h>
  47   #include <shellapi.h>
  48   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  49   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  50     #include <aygshell.h>
  51   #endif
  52 #include "wx/msw/wince/missing.h"
  53 #endif
  54
  55 #include "wx/msw/missing.h"
  56 #include "wx/msw/winundef.h"
  57
  58 #include "wx/display.h"
  59
  60 #ifndef ICON_BIG
  61     #define ICON_BIG 1
  62 #endif
  63
  64 #ifndef ICON_SMALL
  65     #define ICON_SMALL 0
  66 #endif
  67
  68 // ----------------------------------------------------------------------------
  69 // stubs for missing functions under MicroWindows
  70 // ----------------------------------------------------------------------------
  71
  72 #ifdef __WXMICROWIN__
  73
  74 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  75 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  76
  77 #endif // __WXMICROWIN__
  78
  79 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  80 //     is not included by wxUniv build which does need wxDlgProc
  81 LONG APIENTRY _EXPORT
  82 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  83
  84 // ----------------------------------------------------------------------------
  85 // globals
  86 // ----------------------------------------------------------------------------
  87
  88 // the name of the default wxWidgets class
  89 #ifdef __WXWINCE__
  90 extern       wxChar *wxCanvasClassName;
  91 #else
  92 extern const wxChar *wxCanvasClassName;
  93 #endif
  94
  95 // ----------------------------------------------------------------------------
  96 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  97 // module to ensure that the window is always deleted)
  98 // ----------------------------------------------------------------------------
  99
 100 class wxTLWHiddenParentModule : public wxModule
 101 {
 102 public:
 103     // module init/finalize
 104     virtual bool OnInit();
 105     virtual void OnExit();
 106
 107     // get the hidden window (creates on demand)
 108     static HWND GetHWND();
 109
 110 private:
 111     // the HWND of the hidden parent
 112     static HWND ms_hwnd;
 113
 114     // the class used to create it
 115     static const wxChar *ms_className;
 116
 117     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 118 };
 119
 120 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 121
 122 // ============================================================================
 123 // wxTopLevelWindowMSW implementation
 124 // ============================================================================
 125
 126 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 127     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 128 END_EVENT_TABLE()
 129
 130 // ----------------------------------------------------------------------------
 131 // wxTopLevelWindowMSW creation
 132 // ----------------------------------------------------------------------------
 133
 134 void wxTopLevelWindowMSW::Init()
 135 {
 136     m_iconized =
 137     m_maximizeOnShow = FALSE;
 138
 139     // Data to save/restore when calling ShowFullScreen
 140     m_fsStyle = 0;
 141     m_fsOldWindowStyle = 0;
 142     m_fsIsMaximized = FALSE;
 143     m_fsIsShowing = FALSE;
 144
 145     m_winLastFocused = (wxWindow *)NULL;
 146
 147 #ifdef __SMARTPHONE__
 148     m_MenuBarHWND = 0;
 149 #endif
 150 }
 151
 152 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 153 {
 154     // let the base class deal with the common styles but fix the ones which
 155     // don't make sense for us (we also deal with the borders ourselves)
 156     WXDWORD msflags = wxWindow::MSWGetStyle
 157                       (
 158                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 159                       ) & ~WS_CHILD & ~WS_VISIBLE;
 160
 161 #if defined(__WXWINCE__) && _WIN32_WCE < 400
 162     msflags |= WS_VISIBLE;
 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 also test it
 169     // below in some other cases
 170     if ( style & wxFRAME_TOOL_WINDOW )
 171     {
 172         msflags |= WS_POPUP;
 173     }
 174     //else: WS_OVERLAPPED is 0 anyhow, so it is on by default
 175
 176 #ifndef __SMARTPHONE__
 177     // border and caption styles
 178     if ( style & wxRESIZE_BORDER )
 179         msflags |= WS_THICKFRAME;
 180     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 181         *exflags |= WS_EX_DLGMODALFRAME;
 182     else if ( !(style & wxBORDER_NONE) )
 183         msflags |= WS_BORDER;
 184     else
 185         msflags |= WS_POPUP;
 186 #endif
 187
 188     // normally we consider that all windows without caption must be popups,
 189     // but CE is an exception: there windows normally do not have the caption
 190     // but shouldn't be made popups as popups can't have menus and don't look
 191     // like normal windows anyhow
 192     if ( style & wxCAPTION )
 193         msflags |= WS_CAPTION;
 194 #ifndef __WXWINCE__
 195     else
 196         msflags |= WS_POPUP;
 197 #endif // !__WXWINCE__
 198
 199     // next translate the individual flags
 200     if ( style & wxMINIMIZE_BOX )
 201         msflags |= WS_MINIMIZEBOX;
 202     if ( style & wxMAXIMIZE_BOX )
 203         msflags |= WS_MAXIMIZEBOX;
 204     if ( style & wxSYSTEM_MENU )
 205         msflags |= WS_SYSMENU;
 206
 207     // NB: under CE these 2 styles are not supported currently, we should
 208     //     call Minimize()/Maximize() "manually" if we want to support them
 209     if ( style & wxMINIMIZE )
 210         msflags |= WS_MINIMIZE;
 211     if ( style & wxMAXIMIZE )
 212         msflags |= WS_MAXIMIZE;
 213
 214     // Keep this here because it saves recoding this function in wxTinyFrame
 215     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 216         msflags |= WS_CAPTION;
 217
 218     if ( exflags )
 219     {
 220         // there is no taskbar under CE, so omit all this
 221 #if !defined(__WXWINCE__)
 222         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 223         {
 224             if ( style & wxFRAME_TOOL_WINDOW )
 225             {
 226                 // create the palette-like window
 227                 *exflags |= WS_EX_TOOLWINDOW;
 228
 229                 // tool windows shouldn't appear on the taskbar (as documented)
 230                 style |= wxFRAME_NO_TASKBAR;
 231             }
 232
 233             // We have to solve 2 different problems here:
 234             //
 235             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 236             //    taskbar even if they don't have a parent
 237             //
 238             // 2. frames without this style should appear in the taskbar even
 239             //    if they're owned (Windows only puts non owned windows into
 240             //    the taskbar normally)
 241             //
 242             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 243             // first one is dealt with in our MSWGetParent() method
 244             // implementation
 245             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 246             {
 247                 // need to force the frame to appear in the taskbar
 248                 *exflags |= WS_EX_APPWINDOW;
 249             }
 250             //else: nothing to do [here]
 251         }
 252 #endif // !__WXWINCE__
 253
 254         if ( style & wxSTAY_ON_TOP )
 255             *exflags |= WS_EX_TOPMOST;
 256
 257         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 258             *exflags |= WS_EX_CONTEXTHELP;
 259     }
 260
 261     return msflags;
 262 }
 263
 264 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 265 {
 266     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 267     // parent HWND or it would be always on top of its parent which is not what
 268     // we usually want (in fact, we only want it for frames with the
 269     // wxFRAME_FLOAT_ON_PARENT flag)
 270     HWND hwndParent = NULL;
 271     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 272     {
 273         const wxWindow *parent = GetParent();
 274
 275         if ( !parent )
 276         {
 277             // this flag doesn't make sense then and will be ignored
 278             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 279         }
 280         else
 281         {
 282             hwndParent = GetHwndOf(parent);
 283         }
 284     }
 285     //else: don't float on parent, must not be owned
 286
 287     // now deal with the 2nd taskbar-related problem (see comments above in
 288     // MSWGetStyle())
 289     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 290     {
 291         // use hidden parent
 292         hwndParent = wxTLWHiddenParentModule::GetHWND();
 293     }
 294
 295     return (WXHWND)hwndParent;
 296 }
 297
 298 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 299                                        const wxString& title,
 300                                        const wxPoint& pos,
 301                                        const wxSize& size)
 302 {
 303 #ifdef __WXMICROWIN__
 304     // no dialogs support under MicroWin yet
 305     return CreateFrame(title, pos, size);
 306 #else // !__WXMICROWIN__
 307     wxWindow *parent = GetParent();
 308
 309     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 310     // app window as parent - this avoids creating modal dialogs without
 311     // parent
 312     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 313     {
 314         parent = wxTheApp->GetTopWindow();
 315
 316         if ( parent )
 317         {
 318             // don't use transient windows as parents, this is dangerous as it
 319             // can lead to a crash if the parent is destroyed before the child
 320             //
 321             // also don't use the window which is currently hidden as then the
 322             // dialog would be hidden as well
 323             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 324                     !parent->IsShown() )
 325             {
 326                 parent = NULL;
 327             }
 328         }
 329     }
 330
 331     m_hWnd = (WXHWND)::CreateDialogIndirect
 332                        (
 333                         wxGetInstance(),
 334                         (DLGTEMPLATE*)dlgTemplate,
 335                         parent ? GetHwndOf(parent) : NULL,
 336                         (DLGPROC)wxDlgProc
 337                        );
 338
 339     if ( !m_hWnd )
 340     {
 341         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 342
 343         wxLogSysError(wxT("Can't create dialog using memory template"));
 344
 345         return FALSE;
 346     }
 347
 348     WXDWORD exflags;
 349     (void)MSWGetCreateWindowFlags(&exflags);
 350
 351     if ( exflags )
 352     {
 353         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 354         ::SetWindowPos(GetHwnd(),
 355                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 356                        0, 0, 0, 0,
 357                        SWP_NOSIZE |
 358                        SWP_NOMOVE |
 359                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 360                        SWP_NOACTIVATE);
 361     }
 362
 363 #if defined(__WIN95__)
 364     // For some reason, the system menu is activated when we use the
 365     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 366     if ( exflags & WS_EX_CONTEXTHELP )
 367     {
 368         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 369         if ( winTop )
 370         {
 371             wxIcon icon = winTop->GetIcon();
 372             if ( icon.Ok() )
 373             {
 374                 ::SendMessage(GetHwnd(), WM_SETICON,
 375                               (WPARAM)TRUE,
 376                               (LPARAM)GetHiconOf(icon));
 377             }
 378         }
 379     }
 380 #endif // __WIN95__
 381
 382     // move the dialog to its initial position without forcing repainting
 383     int x, y, w, h;
 384     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 385
 386     if ( x == (int)CW_USEDEFAULT )
 387     {
 388         // centre it on the screen - what else can we do?
 389         wxSize sizeDpy = wxGetDisplaySize();
 390
 391         x = (sizeDpy.x - w) / 2;
 392         y = (sizeDpy.y - h) / 2;
 393     }
 394
 395 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 396     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 397     {
 398         wxLogLastError(wxT("MoveWindow"));
 399     }
 400 #endif
 401
 402     if ( !title.empty() )
 403     {
 404         ::SetWindowText(GetHwnd(), title);
 405     }
 406
 407     SubclassWin(m_hWnd);
 408
 409     return TRUE;
 410 #endif // __WXMICROWIN__/!__WXMICROWIN__
 411 }
 412
 413 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 414                                       const wxPoint& pos,
 415                                       const wxSize& size)
 416 {
 417     WXDWORD exflags;
 418     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 419
 420 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 421     defined(__POCKETPC__) || \
 422     defined(__SMARTPHONE__))
 423     // Always expand to fit the screen in PocketPC or SmartPhone
 424     wxSize sz(wxDefaultSize);
 425     wxUnusedVar(size);
 426 #else // other (including normal desktop) Windows
 427     wxSize sz(size);
 428 #endif
 429
 430     return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 431 }
 432
 433 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 434                                  wxWindowID id,
 435                                  const wxString& title,
 436                                  const wxPoint& pos,
 437                                  const wxSize& size,
 438                                  long style,
 439                                  const wxString& name)
 440 {
 441     bool ret wxDUMMY_INITIALIZE(false);
 442
 443     // init our fields
 444     Init();
 445
 446     wxSize sizeReal = size;
 447     if ( !sizeReal.IsFullySpecified() )
 448     {
 449         sizeReal.SetDefaults(GetDefaultSize());
 450     }
 451
 452     m_windowStyle = style;
 453
 454     SetName(name);
 455
 456     m_windowId = id == -1 ? NewControlId() : id;
 457
 458     wxTopLevelWindows.Append(this);
 459
 460     if ( parent )
 461         parent->AddChild(this);
 462
 463     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 464     {
 465         // we have different dialog templates to allows creation of dialogs
 466         // with & without captions under MSWindows, resizeable or not (but a
 467         // resizeable dialog always has caption - otherwise it would look too
 468         // strange)
 469
 470         // we need 3 additional WORDs for dialog menu, class and title (as we
 471         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 472         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 473         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 474         memset(dlgTemplate, 0, dlgsize);
 475
 476         // these values are arbitrary, they won't be used normally anyhow
 477         dlgTemplate->x  = 34;
 478         dlgTemplate->y  = 22;
 479         dlgTemplate->cx = 144;
 480         dlgTemplate->cy = 75;
 481
 482         // reuse the code in MSWGetStyle() but correct the results slightly for
 483         // the dialog
 484         dlgTemplate->style = MSWGetStyle(style, NULL);
 485
 486         // all dialogs are popups
 487         dlgTemplate->style |= WS_POPUP;
 488
 489         // force 3D-look if necessary, it looks impossibly ugly otherwise
 490         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 491             dlgTemplate->style |= DS_MODALFRAME;
 492
 493         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 494         free(dlgTemplate);
 495     }
 496     else // !dialog
 497     {
 498         ret = CreateFrame(title, pos, sizeReal);
 499     }
 500
 501     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 502     {
 503         EnableCloseButton(false);
 504     }
 505
 506     // for some reason we need to manually send ourselves this message as
 507     // otherwise the mnemonics are always shown -- even if they're configured
 508     // to be hidden until "Alt" is pressed in the control panel
 509     //
 510     // this could indicate a bug somewhere else but for now this is the only
 511     // fix we have
 512     if ( ret )
 513     {
 514         SendMessage
 515         (
 516             GetHwnd(),
 517             WM_UPDATEUISTATE,
 518             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 519             0
 520         );
 521     }
 522
 523     // Native look is full screen window on Smartphones and Standard SDK
 524 #if defined(__WXWINCE__)
 525     if ( style & wxMAXIMIZE )
 526     {
 527         this->Maximize();
 528     }
 529 #endif
 530
 531 #ifdef __SMARTPHONE__
 532     SetLeftMenu(wxID_EXIT, _("Done"));
 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 // ----------------------------------------------------------------------------
 906 // wxTopLevelWindow event handling
 907 // ----------------------------------------------------------------------------
 908
 909 // Default activation behaviour - set the focus for the first child
 910 // subwindow found.
 911 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 912 {
 913     if ( event.GetActive() )
 914     {
 915         // restore focus to the child which was last focused unless we already
 916         // have it
 917         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 918
 919         wxWindow *winFocus = FindFocus();
 920         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 921         {
 922             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 923                                                 : NULL;
 924             if ( !parent )
 925             {
 926                 parent = this;
 927             }
 928
 929             wxSetFocusToChild(parent, &m_winLastFocused);
 930         }
 931     }
 932     else // deactivating
 933     {
 934         // remember the last focused child if it is our child
 935         m_winLastFocused = FindFocus();
 936
 937         if ( m_winLastFocused )
 938         {
 939             // let it know that it doesn't have focus any more
 940             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 941
 942             // and don't remember it if it's a child from some other frame
 943             if ( wxGetTopLevelParent(m_winLastFocused) != this )
 944             {
 945                 m_winLastFocused = NULL;
 946             }
 947         }
 948
 949         wxLogTrace(_T("focus"),
 950                    _T("wxTLW %08x deactivated, last focused: %08x."),
 951                    (int) m_hWnd,
 952                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
 953                                            : NULL));
 954
 955         event.Skip();
 956     }
 957 }
 958
 959 // the DialogProc for all wxWidgets dialogs
 960 LONG APIENTRY _EXPORT
 961 wxDlgProc(HWND hDlg,
 962           UINT message,
 963           WPARAM WXUNUSED(wParam),
 964           LPARAM WXUNUSED(lParam))
 965 {
 966     if ( message == WM_INITDIALOG )
 967     {
 968         // under CE, add a "Ok" button in the dialog title bar and make it full
 969         // screen
 970         //
 971         // VZ: we should probably allow for overriding this, e.g. by including
 972         //     MAXIMIZED flag in the dialog style by default and doing this
 973         //     only if it is present...
 974
 975         // Standard SDK doesn't have aygshell.dll: see
 976         // include/wx/msw/wince/libraries.h
 977 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
 978         SHINITDLGINFO shidi;
 979         shidi.dwMask = SHIDIM_FLAGS;
 980         shidi.dwFlags = SHIDIF_DONEBUTTON |
 981                         SHIDIF_SIZEDLGFULLSCREEN;
 982         shidi.hDlg = hDlg;
 983         SHInitDialog( &shidi );
 984 #else // no SHInitDialog()
 985         wxUnusedVar(hDlg);
 986 #endif
 987     }
 988
 989     // for almost all messages, returning FALSE means that we didn't process
 990     // the message
 991     //
 992     // for WM_INITDIALOG, returning TRUE tells system to set focus to
 993     // the first control in the dialog box, but as we set the focus
 994     // ourselves, we return FALSE for it as well
 995     return FALSE;
 996 }
 997
 998 // ============================================================================
 999 // wxTLWHiddenParentModule implementation
1000 // ============================================================================
1001
1002 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1003
1004 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1005
1006 bool wxTLWHiddenParentModule::OnInit()
1007 {
1008     ms_hwnd = NULL;
1009     ms_className = NULL;
1010
1011     return TRUE;
1012 }
1013
1014 void wxTLWHiddenParentModule::OnExit()
1015 {
1016     if ( ms_hwnd )
1017     {
1018         if ( !::DestroyWindow(ms_hwnd) )
1019         {
1020             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1021         }
1022
1023         ms_hwnd = NULL;
1024     }
1025
1026     if ( ms_className )
1027     {
1028         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1029         {
1030             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1031         }
1032
1033         ms_className = NULL;
1034     }
1035 }
1036
1037 /* static */
1038 HWND wxTLWHiddenParentModule::GetHWND()
1039 {
1040     if ( !ms_hwnd )
1041     {
1042         if ( !ms_className )
1043         {
1044             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1045
1046             WNDCLASS wndclass;
1047             wxZeroMemory(wndclass);
1048
1049             wndclass.lpfnWndProc   = DefWindowProc;
1050             wndclass.hInstance     = wxGetInstance();
1051             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1052
1053             if ( !::RegisterClass(&wndclass) )
1054             {
1055                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1056             }
1057             else
1058             {
1059                 ms_className = HIDDEN_PARENT_CLASS;
1060             }
1061         }
1062
1063         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1064                                  (HMENU)NULL, wxGetInstance(), NULL);
1065         if ( !ms_hwnd )
1066         {
1067             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1068         }
1069     }
1070
1071     return ms_hwnd;
1072 }
1073
1074