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 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 149     SHACTIVATEINFO* info = new SHACTIVATEINFO;
 150     wxZeroMemory(*info);
 151     info->cbSize = sizeof(SHACTIVATEINFO);
 152
 153     m_activateInfo = (void*) info;
 154 #endif
 155 }
 156
 157 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 158 {
 159     // let the base class deal with the common styles but fix the ones which
 160     // don't make sense for us (we also deal with the borders ourselves)
 161     WXDWORD msflags = wxWindow::MSWGetStyle
 162                       (
 163                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 164                       ) & ~WS_CHILD & ~WS_VISIBLE;
 165
 166     // For some reason, WS_VISIBLE needs to be defined on creation for
 167     // SmartPhone 2003. The title can fail to be displayed otherwise.
 168 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 169     msflags |= WS_VISIBLE;
 170     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 171 #endif
 172
 173     // first select the kind of window being created
 174     //
 175     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 176     // creates a window with both caption and border, hence we need to use
 177     // WS_POPUP in a few cases just to avoid having caption/border which we
 178     // don't want
 179
 180     // border and caption styles
 181     if ( ( style & wxRESIZE_BORDER ) && !IsAlwaysMaximized())
 182         msflags |= WS_THICKFRAME;
 183     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 184         *exflags |= WS_EX_DLGMODALFRAME;
 185     else if ( !(style & wxBORDER_NONE) )
 186         msflags |= WS_BORDER;
 187 #ifndef __POCKETPC__
 188     else
 189         msflags |= WS_POPUP;
 190 #endif
 191
 192     // normally we consider that all windows without a caption must be popups,
 193     // but CE is an exception: there windows normally do not have the caption
 194     // but shouldn't be made popups as popups can't have menus and don't look
 195     // like normal windows anyhow
 196
 197     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 198     // we need it.
 199 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 200     if ( style & wxCAPTION )
 201         msflags |= WS_CAPTION;
 202 #ifndef __WXWINCE__
 203     else
 204         msflags |= WS_POPUP;
 205 #endif // !__WXWINCE__
 206 #endif
 207
 208     // next translate the individual flags
 209     if ( style & wxMINIMIZE_BOX )
 210         msflags |= WS_MINIMIZEBOX;
 211     if ( style & wxMAXIMIZE_BOX )
 212         msflags |= WS_MAXIMIZEBOX;
 213
 214 #ifndef __WXWINCE__
 215     if ( style & wxSYSTEM_MENU )
 216         msflags |= WS_SYSMENU;
 217 #endif
 218
 219     // NB: under CE these 2 styles are not supported currently, we should
 220     //     call Minimize()/Maximize() "manually" if we want to support them
 221     if ( style & wxMINIMIZE )
 222         msflags |= WS_MINIMIZE;
 223
 224     if ( style & wxMAXIMIZE )
 225         msflags |= WS_MAXIMIZE;
 226
 227     // Keep this here because it saves recoding this function in wxTinyFrame
 228     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 229         msflags |= WS_CAPTION;
 230
 231     if ( exflags )
 232     {
 233         // there is no taskbar under CE, so omit all this
 234 #if !defined(__WXWINCE__)
 235         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 236         {
 237             if ( style & wxFRAME_TOOL_WINDOW )
 238             {
 239                 // create the palette-like window
 240                 *exflags |= WS_EX_TOOLWINDOW;
 241
 242                 // tool windows shouldn't appear on the taskbar (as documented)
 243                 style |= wxFRAME_NO_TASKBAR;
 244             }
 245
 246             // We have to solve 2 different problems here:
 247             //
 248             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 249             //    taskbar even if they don't have a parent
 250             //
 251             // 2. frames without this style should appear in the taskbar even
 252             //    if they're owned (Windows only puts non owned windows into
 253             //    the taskbar normally)
 254             //
 255             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 256             // first one is dealt with in our MSWGetParent() method
 257             // implementation
 258             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 259             {
 260                 // need to force the frame to appear in the taskbar
 261                 *exflags |= WS_EX_APPWINDOW;
 262             }
 263             //else: nothing to do [here]
 264         }
 265
 266         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 267             *exflags |= WS_EX_CONTEXTHELP;
 268 #endif // !__WXWINCE__
 269
 270         if ( style & wxSTAY_ON_TOP )
 271             *exflags |= WS_EX_TOPMOST;
 272     }
 273
 274     return msflags;
 275 }
 276
 277 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 278 {
 279     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 280     // parent HWND or it would be always on top of its parent which is not what
 281     // we usually want (in fact, we only want it for frames with the
 282     // wxFRAME_FLOAT_ON_PARENT flag)
 283     HWND hwndParent = NULL;
 284     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 285     {
 286         const wxWindow *parent = GetParent();
 287
 288         if ( !parent )
 289         {
 290             // this flag doesn't make sense then and will be ignored
 291             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 292         }
 293         else
 294         {
 295             hwndParent = GetHwndOf(parent);
 296         }
 297     }
 298     //else: don't float on parent, must not be owned
 299
 300     // now deal with the 2nd taskbar-related problem (see comments above in
 301     // MSWGetStyle())
 302     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 303     {
 304         // use hidden parent
 305         hwndParent = wxTLWHiddenParentModule::GetHWND();
 306     }
 307
 308     return (WXHWND)hwndParent;
 309 }
 310
 311 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 312 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 313 {
 314     SHACTIVATEINFO *info = (SHACTIVATEINFO*) m_activateInfo;
 315     if ( info )
 316     {
 317         SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
 318     }
 319
 320     return wxWindowMSW::HandleSettingChange(wParam, lParam);
 321 }
 322 #endif
 323
 324 WXLRESULT wxTopLevelWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 325 {
 326     WXLRESULT rc = 0;
 327     bool processed = false;
 328
 329 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 330     switch ( message )
 331     {
 332         case WM_ACTIVATE:
 333         {
 334             SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 335             if (info)
 336             {
 337                 DWORD flags = 0;
 338                 if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) flags = SHA_INPUTDIALOG;
 339                 SHHandleWMActivate(GetHwnd(), wParam, lParam, info, flags);
 340             }
 341
 342             // This implicitly sends a wxEVT_ACTIVATE_APP event
 343             if (wxTheApp)
 344                 wxTheApp->SetActive(wParam != 0, FindFocus());
 345
 346             break;
 347         }
 348         case WM_HIBERNATE:
 349         {
 350             if (wxTheApp)
 351             {
 352                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 353                 event.SetEventObject(wxTheApp);
 354                 processed = wxTheApp->ProcessEvent(event);
 355             }
 356             break;
 357         }
 358     }
 359 #endif
 360
 361     if ( !processed )
 362         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 363
 364     return rc;
 365 }
 366
 367 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 368                                        const wxString& title,
 369                                        const wxPoint& pos,
 370                                        const wxSize& size)
 371 {
 372 #ifdef __WXMICROWIN__
 373     // no dialogs support under MicroWin yet
 374     return CreateFrame(title, pos, size);
 375 #else // !__WXMICROWIN__
 376     wxWindow *parent = GetParent();
 377
 378     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 379     // app window as parent - this avoids creating modal dialogs without
 380     // parent
 381     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 382     {
 383         parent = wxTheApp->GetTopWindow();
 384
 385         if ( parent )
 386         {
 387             // don't use transient windows as parents, this is dangerous as it
 388             // can lead to a crash if the parent is destroyed before the child
 389             //
 390             // also don't use the window which is currently hidden as then the
 391             // dialog would be hidden as well
 392             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 393                     !parent->IsShown() )
 394             {
 395                 parent = NULL;
 396             }
 397         }
 398     }
 399
 400     m_hWnd = (WXHWND)::CreateDialogIndirect
 401                        (
 402                         wxGetInstance(),
 403                         (DLGTEMPLATE*)dlgTemplate,
 404                         parent ? GetHwndOf(parent) : NULL,
 405                         (DLGPROC)wxDlgProc
 406                        );
 407
 408     if ( !m_hWnd )
 409     {
 410         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 411
 412         wxLogSysError(wxT("Can't create dialog using memory template"));
 413
 414         return false;
 415     }
 416
 417     WXDWORD exflags;
 418     (void)MSWGetCreateWindowFlags(&exflags);
 419
 420     if ( exflags )
 421     {
 422         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 423         ::SetWindowPos(GetHwnd(),
 424                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 425                        0, 0, 0, 0,
 426                        SWP_NOSIZE |
 427                        SWP_NOMOVE |
 428                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 429                        SWP_NOACTIVATE);
 430     }
 431
 432 #if !defined(__WXWINCE__)
 433     // For some reason, the system menu is activated when we use the
 434     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 435     if ( exflags & WS_EX_CONTEXTHELP )
 436     {
 437         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 438         if ( winTop )
 439         {
 440             wxIcon icon = winTop->GetIcon();
 441             if ( icon.Ok() )
 442             {
 443                 ::SendMessage(GetHwnd(), WM_SETICON,
 444                               (WPARAM)TRUE,
 445                               (LPARAM)GetHiconOf(icon));
 446             }
 447         }
 448     }
 449 #endif
 450
 451     // move the dialog to its initial position without forcing repainting
 452     int x, y, w, h;
 453     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 454
 455     if ( x == (int)CW_USEDEFAULT )
 456     {
 457         // centre it on the screen - what else can we do?
 458         wxSize sizeDpy = wxGetDisplaySize();
 459
 460         x = (sizeDpy.x - w) / 2;
 461         y = (sizeDpy.y - h) / 2;
 462     }
 463
 464 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 465     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 466     {
 467         wxLogLastError(wxT("MoveWindow"));
 468     }
 469 #endif
 470
 471     if ( !title.empty() )
 472     {
 473         ::SetWindowText(GetHwnd(), title);
 474     }
 475
 476     SubclassWin(m_hWnd);
 477
 478 #ifdef __SMARTPHONE__
 479     // Work around title non-display glitch
 480     Show(false);
 481 #endif
 482
 483     return true;
 484 #endif // __WXMICROWIN__/!__WXMICROWIN__
 485 }
 486
 487 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 488                                       const wxPoint& pos,
 489                                       const wxSize& size)
 490 {
 491     WXDWORD exflags;
 492     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 493
 494     wxSize sz;
 495
 496     if (IsAlwaysMaximized())
 497     {
 498         sz = wxDefaultSize;
 499     }
 500     else
 501     {
 502         sz = size;
 503     }
 504
 505     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 506
 507     return result;
 508 }
 509
 510 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 511                                  wxWindowID id,
 512                                  const wxString& title,
 513                                  const wxPoint& pos,
 514                                  const wxSize& size,
 515                                  long style,
 516                                  const wxString& name)
 517 {
 518     bool ret wxDUMMY_INITIALIZE(false);
 519
 520     // init our fields
 521     Init();
 522
 523     wxSize sizeReal = size;
 524     if ( !sizeReal.IsFullySpecified() )
 525     {
 526         sizeReal.SetDefaults(GetDefaultSize());
 527     }
 528
 529     m_windowStyle = style;
 530
 531     SetName(name);
 532
 533     m_windowId = id == wxID_ANY ? NewControlId() : id;
 534
 535     wxTopLevelWindows.Append(this);
 536
 537     if ( parent )
 538         parent->AddChild(this);
 539
 540     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 541     {
 542         // we have different dialog templates to allows creation of dialogs
 543         // with & without captions under MSWindows, resizeable or not (but a
 544         // resizeable dialog always has caption - otherwise it would look too
 545         // strange)
 546
 547         // we need 3 additional WORDs for dialog menu, class and title (as we
 548         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 549         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 550         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 551         memset(dlgTemplate, 0, dlgsize);
 552
 553         // these values are arbitrary, they won't be used normally anyhow
 554         dlgTemplate->x  = 34;
 555         dlgTemplate->y  = 22;
 556         dlgTemplate->cx = 144;
 557         dlgTemplate->cy = 75;
 558
 559         // reuse the code in MSWGetStyle() but correct the results slightly for
 560         // the dialog
 561         dlgTemplate->style = MSWGetStyle(style, NULL);
 562
 563         // all dialogs are popups
 564         dlgTemplate->style |= WS_POPUP;
 565
 566 #ifndef __WXWINCE__
 567         // force 3D-look if necessary, it looks impossibly ugly otherwise
 568         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 569             dlgTemplate->style |= DS_MODALFRAME;
 570 #endif
 571
 572         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 573         free(dlgTemplate);
 574     }
 575     else // !dialog
 576     {
 577         ret = CreateFrame(title, pos, sizeReal);
 578     }
 579
 580 #ifndef __WXWINCE__
 581     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 582     {
 583         EnableCloseButton(false);
 584     }
 585 #endif
 586
 587     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 588     // itself but for custom windows we have to do it ourselves in order to
 589     // make the keyboard indicators (such as underlines for accelerators and
 590     // focus rectangles) work under Win2k+
 591     if ( ret )
 592     {
 593         MSWUpdateUIState(UIS_INITIALIZE);
 594     }
 595
 596     if ( ( style & wxMAXIMIZE ) || IsAlwaysMaximized() )
 597     {
 598         this->Maximize();
 599     }
 600
 601 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 602     SetRightMenu(); // to nothing for initialization
 603 #endif
 604
 605     return ret;
 606 }
 607
 608 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 609 {
 610 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 611     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 612     delete info;
 613     m_activateInfo = NULL;
 614 #endif
 615
 616     // after destroying an owned window, Windows activates the next top level
 617     // window in Z order but it may be different from our owner (to reproduce
 618     // this simply Alt-TAB to another application and back before closing the
 619     // owned frame) whereas we always want to yield activation to our parent
 620     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 621     {
 622         wxWindow *parent = GetParent();
 623         if ( parent )
 624         {
 625             ::BringWindowToTop(GetHwndOf(parent));
 626         }
 627     }
 628 }
 629
 630 // ----------------------------------------------------------------------------
 631 // wxTopLevelWindowMSW showing
 632 // ----------------------------------------------------------------------------
 633
 634 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 635 {
 636     ::ShowWindow(GetHwnd(), nShowCmd);
 637
 638     m_iconized = nShowCmd == SW_MINIMIZE;
 639 }
 640
 641 bool wxTopLevelWindowMSW::Show(bool show)
 642 {
 643     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 644     if ( !wxWindowBase::Show(show) )
 645         return false;
 646
 647     int nShowCmd;
 648     if ( show )
 649     {
 650         if ( m_maximizeOnShow )
 651         {
 652             // show and maximize
 653             nShowCmd = SW_MAXIMIZE;
 654
 655             // This is necessary, or no window appears
 656 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 657             DoShowWindow(SW_SHOW);
 658 #endif
 659
 660             m_maximizeOnShow = false;
 661         }
 662         else // just show
 663         {
 664            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 665                nShowCmd = SW_SHOWNA;
 666            else
 667                nShowCmd = SW_SHOW;
 668         }
 669     }
 670     else // hide
 671     {
 672         nShowCmd = SW_HIDE;
 673     }
 674
 675     DoShowWindow(nShowCmd);
 676
 677 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 678     // Addornments have to be added when the frame is the correct size
 679     wxFrame* frame = wxDynamicCast(this, wxFrame);
 680     if (frame && frame->GetMenuBar())
 681         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 682 #endif
 683
 684     return true;
 685 }
 686
 687 // ----------------------------------------------------------------------------
 688 // wxTopLevelWindowMSW maximize/minimize
 689 // ----------------------------------------------------------------------------
 690
 691 void wxTopLevelWindowMSW::Maximize(bool maximize)
 692 {
 693     if ( IsShown() )
 694     {
 695         // just maximize it directly
 696         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 697     }
 698     else // hidden
 699     {
 700         // we can't maximize the hidden frame because it shows it as well,
 701         // so just remember that we should do it later in this case
 702         m_maximizeOnShow = maximize;
 703
 704         // after calling Maximize() the client code expects to get the frame
 705         // "real" size and doesn't want to know that, because of implementation
 706         // details, the frame isn't really maximized yet but will be only once
 707         // it's shown, so return our size as it will be then in this case
 708         if ( maximize )
 709         {
 710             // unfortunately we don't know which display we're on yet so we
 711             // have to use the default one
 712             SetSize(wxGetClientDisplayRect().GetSize());
 713         }
 714         //else: can't do anything in this case, we don't have the old size
 715     }
 716 }
 717
 718 bool wxTopLevelWindowMSW::IsMaximized() const
 719 {
 720     return IsAlwaysMaximized() ||
 721 #if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
 722            (::IsZoomed(GetHwnd()) != 0) ||
 723 #endif
 724            m_maximizeOnShow;
 725 }
 726
 727 void wxTopLevelWindowMSW::Iconize(bool iconize)
 728 {
 729     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 730 }
 731
 732 bool wxTopLevelWindowMSW::IsIconized() const
 733 {
 734 #ifdef __WXWINCE__
 735     return false;
 736 #else
 737     // don't use m_iconized, it may be briefly out of sync with the real state
 738     // as it's only modified when we receive a WM_SIZE and we could be called
 739     // from an event handler from one of the messages we receive before it,
 740     // such as WM_MOVE
 741     return ::IsIconic(GetHwnd()) != 0;
 742 #endif
 743 }
 744
 745 void wxTopLevelWindowMSW::Restore()
 746 {
 747     DoShowWindow(SW_RESTORE);
 748 }
 749
 750 // ----------------------------------------------------------------------------
 751 // wxTopLevelWindowMSW fullscreen
 752 // ----------------------------------------------------------------------------
 753
 754 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 755 {
 756     if ( show == IsFullScreen() )
 757     {
 758         // nothing to do
 759         return true;
 760     }
 761
 762     m_fsIsShowing = show;
 763
 764     if ( show )
 765     {
 766         m_fsStyle = style;
 767
 768         // zap the frame borders
 769
 770         // save the 'normal' window style
 771         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 772
 773         // save the old position, width & height, maximize state
 774         m_fsOldSize = GetRect();
 775         m_fsIsMaximized = IsMaximized();
 776
 777         // decide which window style flags to turn off
 778         LONG newStyle = m_fsOldWindowStyle;
 779         LONG offFlags = 0;
 780
 781         if (style & wxFULLSCREEN_NOBORDER)
 782         {
 783             offFlags |= WS_BORDER;
 784 #ifndef __WXWINCE__
 785             offFlags |= WS_THICKFRAME;
 786 #endif
 787         }
 788         if (style & wxFULLSCREEN_NOCAPTION)
 789             offFlags |= WS_CAPTION | WS_SYSMENU;
 790
 791         newStyle &= ~offFlags;
 792
 793         // change our window style to be compatible with full-screen mode
 794         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 795
 796         wxRect rect;
 797 #if wxUSE_DISPLAY
 798         // resize to the size of the display containing us
 799         int dpy = wxDisplay::GetFromWindow(this);
 800         if ( dpy != wxNOT_FOUND )
 801         {
 802             rect = wxDisplay(dpy).GetGeometry();
 803         }
 804         else // fall back to the main desktop
 805 #endif // wxUSE_DISPLAY
 806         {
 807             // resize to the size of the desktop
 808             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 809 #ifdef __WXWINCE__
 810             // FIXME: size of the bottom menu (toolbar)
 811             // should be taken in account
 812             rect.height += rect.y;
 813             rect.y       = 0;
 814 #endif
 815         }
 816
 817         SetSize(rect);
 818
 819         // now flush the window style cache and actually go full-screen
 820         long flags = SWP_FRAMECHANGED;
 821
 822         // showing the frame full screen should also show it if it's still
 823         // hidden
 824         if ( !IsShown() )
 825         {
 826             // don't call wxWindow version to avoid flicker from calling
 827             // ::ShowWindow() -- we're going to show the window at the correct
 828             // location directly below -- but do call the wxWindowBase version
 829             // to sync the internal m_isShown flag
 830             wxWindowBase::Show();
 831
 832             flags |= SWP_SHOWWINDOW;
 833         }
 834
 835         SetWindowPos(GetHwnd(), HWND_TOP,
 836                      rect.x, rect.y, rect.width, rect.height,
 837                      flags);
 838
 839 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 840         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 841 #endif
 842
 843         // finally send an event allowing the window to relayout itself &c
 844         wxSizeEvent event(rect.GetSize(), GetId());
 845         GetEventHandler()->ProcessEvent(event);
 846     }
 847     else // stop showing full screen
 848     {
 849 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 850         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 851 #endif
 852         Maximize(m_fsIsMaximized);
 853         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 854         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 855             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 856     }
 857
 858     return true;
 859 }
 860
 861 // ----------------------------------------------------------------------------
 862 // wxTopLevelWindowMSW misc
 863 // ----------------------------------------------------------------------------
 864
 865 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 866 {
 867     SetLabel(title);
 868 }
 869
 870 wxString wxTopLevelWindowMSW::GetTitle() const
 871 {
 872     return GetLabel();
 873 }
 874
 875 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 876 {
 877     SetIcons( wxIconBundle( icon ) );
 878 }
 879
 880 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 881 {
 882     wxTopLevelWindowBase::SetIcons(icons);
 883
 884 #if !defined(__WXMICROWIN__)
 885     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 886     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 887     {
 888         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 889                        (LPARAM)GetHiconOf(sml) );
 890     }
 891
 892     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 893     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 894     {
 895         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 896                        (LPARAM)GetHiconOf(big) );
 897     }
 898 #endif // !__WXMICROWIN__
 899 }
 900
 901 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 902 {
 903 #if !defined(__WXMICROWIN__)
 904     // get system (a.k.a. window) menu
 905     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 906     if ( !hmenu )
 907     {
 908         // no system menu at all -- ok if we want to remove the close button
 909         // anyhow, but bad if we want to show it
 910         return !enable;
 911     }
 912
 913     // enabling/disabling the close item from it also automatically
 914     // disables/enables the close title bar button
 915     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 916                           MF_BYCOMMAND |
 917                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 918     {
 919         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 920
 921         return false;
 922     }
 923 #ifndef __WXWINCE__
 924     // update appearance immediately
 925     if ( !::DrawMenuBar(GetHwnd()) )
 926     {
 927         wxLogLastError(_T("DrawMenuBar"));
 928     }
 929 #endif
 930 #endif // !__WXMICROWIN__
 931
 932     return true;
 933 }
 934
 935 #ifndef __WXWINCE__
 936
 937 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 938 {
 939     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 940                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 941
 942     // The empty region signifies that the shape should be removed from the
 943     // window.
 944     if ( region.IsEmpty() )
 945     {
 946         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 947         {
 948             wxLogLastError(_T("SetWindowRgn"));
 949             return false;
 950         }
 951         return true;
 952     }
 953
 954     // Windows takes ownership of the region, so
 955     // we'll have to make a copy of the region to give to it.
 956     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 957     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 958     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 959     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 960     delete[] (char*) rgnData;
 961
 962     // SetWindowRgn expects the region to be in coordinants
 963     // relative to the window, not the client area.  Figure
 964     // out the offset, if any.
 965     RECT rect;
 966     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 967     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 968     ::GetClientRect(GetHwnd(), &rect);
 969     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 970     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 971
 972     // Now call the shape API with the new region.
 973     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 974     {
 975         wxLogLastError(_T("SetWindowRgn"));
 976         return false;
 977     }
 978     return true;
 979 }
 980
 981 #endif // !__WXWINCE__
 982
 983 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 984 {
 985     // check if we can use FlashWindowEx(): unfortunately a simple test for
 986     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 987     // provide FlashWindowEx() declaration, so try to detect whether we have
 988     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 989     // declated in MSVC6 header
 990 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 991     // available in the headers, check if it is supported by the system
 992     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 993     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 994     if ( !s_pfnFlashWindowEx )
 995     {
 996         wxDynamicLibrary dllUser32(_T("user32.dll"));
 997         s_pfnFlashWindowEx = (FlashWindowEx_t)
 998                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 999
1000         // we can safely unload user32.dll here, it's going to remain loaded as
1001         // long as the program is running anyhow
1002     }
1003
1004     if ( s_pfnFlashWindowEx )
1005     {
1006         WinStruct<FLASHWINFO> fwi;
1007         fwi.hwnd = GetHwnd();
1008         fwi.dwFlags = FLASHW_ALL;
1009         if ( flags & wxUSER_ATTENTION_INFO )
1010         {
1011             // just flash a few times
1012             fwi.uCount = 3;
1013         }
1014         else // wxUSER_ATTENTION_ERROR
1015         {
1016             // flash until the user notices it
1017             fwi.dwFlags |= FLASHW_TIMERNOFG;
1018         }
1019
1020         s_pfnFlashWindowEx(&fwi);
1021     }
1022     else // FlashWindowEx() not available
1023 #endif // FlashWindowEx() defined
1024     {
1025         wxUnusedVar(flags);
1026 #ifndef __WXWINCE__
1027         ::FlashWindow(GetHwnd(), TRUE);
1028 #endif // __WXWINCE__
1029     }
1030 }
1031
1032 // ----------------------------------------------------------------------------
1033 // wxTopLevelWindow event handling
1034 // ----------------------------------------------------------------------------
1035
1036 // Default activation behaviour - set the focus for the first child
1037 // subwindow found.
1038 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1039 {
1040     if ( event.GetActive() )
1041     {
1042         // restore focus to the child which was last focused unless we already
1043         // have it
1044         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1045
1046         wxWindow *winFocus = FindFocus();
1047         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1048         {
1049             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1050                                                 : NULL;
1051             if ( !parent )
1052             {
1053                 parent = this;
1054             }
1055
1056             wxSetFocusToChild(parent, &m_winLastFocused);
1057         }
1058     }
1059     else // deactivating
1060     {
1061         // remember the last focused child if it is our child
1062         m_winLastFocused = FindFocus();
1063
1064         if ( m_winLastFocused )
1065         {
1066             // let it know that it doesn't have focus any more
1067             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1068
1069             // and don't remember it if it's a child from some other frame
1070             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1071             {
1072                 m_winLastFocused = NULL;
1073             }
1074         }
1075
1076         wxLogTrace(_T("focus"),
1077                    _T("wxTLW %08x deactivated, last focused: %08x."),
1078                    (int) m_hWnd,
1079                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1080                                            : NULL));
1081
1082         event.Skip();
1083     }
1084 }
1085
1086 // the DialogProc for all wxWidgets dialogs
1087 LONG APIENTRY _EXPORT
1088 wxDlgProc(HWND hDlg,
1089           UINT message,
1090           WPARAM WXUNUSED(wParam),
1091           LPARAM WXUNUSED(lParam))
1092 {
1093     switch ( message )
1094     {
1095         case WM_INITDIALOG:
1096         {
1097             // under CE, add a "Ok" button in the dialog title bar and make it full
1098             // screen
1099             //
1100             // TODO: find the window for this HWND, and take into account
1101             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1102             //
1103             // Standard SDK doesn't have aygshell.dll: see
1104             // include/wx/msw/wince/libraries.h
1105 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1106             SHINITDLGINFO shidi;
1107             shidi.dwMask = SHIDIM_FLAGS;
1108             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1109 #ifndef __SMARTPHONE__
1110                             | SHIDIF_DONEBUTTON
1111 #endif
1112                         ;
1113             shidi.hDlg = hDlg;
1114             SHInitDialog( &shidi );
1115 #else // no SHInitDialog()
1116             wxUnusedVar(hDlg);
1117 #endif
1118             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1119             // the first control in the dialog box, but as we set the focus
1120             // ourselves, we return FALSE for it as well
1121             return FALSE;
1122         }
1123     }
1124
1125     // for almost all messages, returning FALSE means that we didn't process
1126     // the message
1127     return FALSE;
1128 }
1129
1130 // ============================================================================
1131 // wxTLWHiddenParentModule implementation
1132 // ============================================================================
1133
1134 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1135
1136 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1137
1138 bool wxTLWHiddenParentModule::OnInit()
1139 {
1140     ms_hwnd = NULL;
1141     ms_className = NULL;
1142
1143     return true;
1144 }
1145
1146 void wxTLWHiddenParentModule::OnExit()
1147 {
1148     if ( ms_hwnd )
1149     {
1150         if ( !::DestroyWindow(ms_hwnd) )
1151         {
1152             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1153         }
1154
1155         ms_hwnd = NULL;
1156     }
1157
1158     if ( ms_className )
1159     {
1160         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1161         {
1162             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1163         }
1164
1165         ms_className = NULL;
1166     }
1167 }
1168
1169 /* static */
1170 HWND wxTLWHiddenParentModule::GetHWND()
1171 {
1172     if ( !ms_hwnd )
1173     {
1174         if ( !ms_className )
1175         {
1176             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1177
1178             WNDCLASS wndclass;
1179             wxZeroMemory(wndclass);
1180
1181             wndclass.lpfnWndProc   = DefWindowProc;
1182             wndclass.hInstance     = wxGetInstance();
1183             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1184
1185             if ( !::RegisterClass(&wndclass) )
1186             {
1187                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1188             }
1189             else
1190             {
1191                 ms_className = HIDDEN_PARENT_CLASS;
1192             }
1193         }
1194
1195         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1196                                  (HMENU)NULL, wxGetInstance(), NULL);
1197         if ( !ms_hwnd )
1198         {
1199             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1200         }
1201     }
1202
1203     return ms_hwnd;
1204 }