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 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 181     // border and caption styles
 182     if ( style & wxRESIZE_BORDER )
 183         msflags |= WS_THICKFRAME;
 184     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 185         *exflags |= WS_EX_DLGMODALFRAME;
 186     else if ( !(style & wxBORDER_NONE) )
 187         msflags |= WS_BORDER;
 188 #ifndef __POCKETPC__
 189     else
 190         msflags |= WS_POPUP;
 191 #endif
 192 #endif
 193
 194     // normally we consider that all windows without a caption must be popups,
 195     // but CE is an exception: there windows normally do not have the caption
 196     // but shouldn't be made popups as popups can't have menus and don't look
 197     // like normal windows anyhow
 198
 199     // TODO: Smartphone appears to like wxCAPTION, but we should check that
 200     // we need it.
 201 #if defined(__SMARTPHONE__) || !defined(__WXWINCE__)
 202     if ( style & wxCAPTION )
 203         msflags |= WS_CAPTION;
 204 #ifndef __WXWINCE__
 205     else
 206         msflags |= WS_POPUP;
 207 #endif // !__WXWINCE__
 208 #endif
 209
 210     // next translate the individual flags
 211     if ( style & wxMINIMIZE_BOX )
 212         msflags |= WS_MINIMIZEBOX;
 213     if ( style & wxMAXIMIZE_BOX )
 214         msflags |= WS_MAXIMIZEBOX;
 215
 216 #ifndef __WXWINCE__
 217     if ( style & wxSYSTEM_MENU )
 218         msflags |= WS_SYSMENU;
 219 #endif
 220
 221     // NB: under CE these 2 styles are not supported currently, we should
 222     //     call Minimize()/Maximize() "manually" if we want to support them
 223     if ( style & wxMINIMIZE )
 224         msflags |= WS_MINIMIZE;
 225
 226 #if !defined(__POCKETPC__)
 227     if ( style & wxMAXIMIZE )
 228         msflags |= WS_MAXIMIZE;
 229 #endif
 230
 231     // Keep this here because it saves recoding this function in wxTinyFrame
 232     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 233         msflags |= WS_CAPTION;
 234
 235     if ( exflags )
 236     {
 237         // there is no taskbar under CE, so omit all this
 238 #if !defined(__WXWINCE__)
 239         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 240         {
 241             if ( style & wxFRAME_TOOL_WINDOW )
 242             {
 243                 // create the palette-like window
 244                 *exflags |= WS_EX_TOOLWINDOW;
 245
 246                 // tool windows shouldn't appear on the taskbar (as documented)
 247                 style |= wxFRAME_NO_TASKBAR;
 248             }
 249
 250             // We have to solve 2 different problems here:
 251             //
 252             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 253             //    taskbar even if they don't have a parent
 254             //
 255             // 2. frames without this style should appear in the taskbar even
 256             //    if they're owned (Windows only puts non owned windows into
 257             //    the taskbar normally)
 258             //
 259             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 260             // first one is dealt with in our MSWGetParent() method
 261             // implementation
 262             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 263             {
 264                 // need to force the frame to appear in the taskbar
 265                 *exflags |= WS_EX_APPWINDOW;
 266             }
 267             //else: nothing to do [here]
 268         }
 269
 270         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 271             *exflags |= WS_EX_CONTEXTHELP;
 272 #endif // !__WXWINCE__
 273
 274         if ( style & wxSTAY_ON_TOP )
 275             *exflags |= WS_EX_TOPMOST;
 276     }
 277
 278     return msflags;
 279 }
 280
 281 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 282 {
 283     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 284     // parent HWND or it would be always on top of its parent which is not what
 285     // we usually want (in fact, we only want it for frames with the
 286     // wxFRAME_FLOAT_ON_PARENT flag)
 287     HWND hwndParent = NULL;
 288     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 289     {
 290         const wxWindow *parent = GetParent();
 291
 292         if ( !parent )
 293         {
 294             // this flag doesn't make sense then and will be ignored
 295             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 296         }
 297         else
 298         {
 299             hwndParent = GetHwndOf(parent);
 300         }
 301     }
 302     //else: don't float on parent, must not be owned
 303
 304     // now deal with the 2nd taskbar-related problem (see comments above in
 305     // MSWGetStyle())
 306     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 307     {
 308         // use hidden parent
 309         hwndParent = wxTLWHiddenParentModule::GetHWND();
 310     }
 311
 312     return (WXHWND)hwndParent;
 313 }
 314
 315 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 316 bool wxTopLevelWindowMSW::HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam)
 317 {
 318     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 319     if (!info) return false;
 320     return SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info) == TRUE;
 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_SETTINGCHANGE:
 349         {
 350             processed = HandleSettingChange(wParam,lParam);
 351             break;
 352         }
 353         case WM_HIBERNATE:
 354         {
 355             if (wxTheApp)
 356             {
 357                 wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
 358                 event.SetEventObject(wxTheApp);
 359                 processed = wxTheApp->ProcessEvent(event);
 360             }
 361             break;
 362         }
 363     }
 364 #endif
 365
 366     if ( !processed )
 367         rc = wxTopLevelWindowBase::MSWWindowProc(message, wParam, lParam);
 368
 369     return rc;
 370 }
 371
 372 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 373                                        const wxString& title,
 374                                        const wxPoint& pos,
 375                                        const wxSize& size)
 376 {
 377 #ifdef __WXMICROWIN__
 378     // no dialogs support under MicroWin yet
 379     return CreateFrame(title, pos, size);
 380 #else // !__WXMICROWIN__
 381     wxWindow *parent = GetParent();
 382
 383     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 384     // app window as parent - this avoids creating modal dialogs without
 385     // parent
 386     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 387     {
 388         parent = wxTheApp->GetTopWindow();
 389
 390         if ( parent )
 391         {
 392             // don't use transient windows as parents, this is dangerous as it
 393             // can lead to a crash if the parent is destroyed before the child
 394             //
 395             // also don't use the window which is currently hidden as then the
 396             // dialog would be hidden as well
 397             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 398                     !parent->IsShown() )
 399             {
 400                 parent = NULL;
 401             }
 402         }
 403     }
 404
 405     m_hWnd = (WXHWND)::CreateDialogIndirect
 406                        (
 407                         wxGetInstance(),
 408                         (DLGTEMPLATE*)dlgTemplate,
 409                         parent ? GetHwndOf(parent) : NULL,
 410                         (DLGPROC)wxDlgProc
 411                        );
 412
 413     if ( !m_hWnd )
 414     {
 415         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 416
 417         wxLogSysError(wxT("Can't create dialog using memory template"));
 418
 419         return false;
 420     }
 421
 422     WXDWORD exflags;
 423     (void)MSWGetCreateWindowFlags(&exflags);
 424
 425     if ( exflags )
 426     {
 427         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 428         ::SetWindowPos(GetHwnd(),
 429                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 430                        0, 0, 0, 0,
 431                        SWP_NOSIZE |
 432                        SWP_NOMOVE |
 433                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 434                        SWP_NOACTIVATE);
 435     }
 436
 437 #if !defined(__WXWINCE__)
 438     // For some reason, the system menu is activated when we use the
 439     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 440     if ( exflags & WS_EX_CONTEXTHELP )
 441     {
 442         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 443         if ( winTop )
 444         {
 445             wxIcon icon = winTop->GetIcon();
 446             if ( icon.Ok() )
 447             {
 448                 ::SendMessage(GetHwnd(), WM_SETICON,
 449                               (WPARAM)TRUE,
 450                               (LPARAM)GetHiconOf(icon));
 451             }
 452         }
 453     }
 454 #endif
 455
 456     // move the dialog to its initial position without forcing repainting
 457     int x, y, w, h;
 458     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 459
 460     if ( x == (int)CW_USEDEFAULT )
 461     {
 462         // centre it on the screen - what else can we do?
 463         wxSize sizeDpy = wxGetDisplaySize();
 464
 465         x = (sizeDpy.x - w) / 2;
 466         y = (sizeDpy.y - h) / 2;
 467     }
 468
 469 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 470     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 471     {
 472         wxLogLastError(wxT("MoveWindow"));
 473     }
 474 #endif
 475
 476     if ( !title.empty() )
 477     {
 478         ::SetWindowText(GetHwnd(), title);
 479     }
 480
 481     SubclassWin(m_hWnd);
 482
 483 #ifdef __SMARTPHONE__
 484     // Work around title non-display glitch
 485     Show(false);
 486 #endif
 487
 488     return true;
 489 #endif // __WXMICROWIN__/!__WXMICROWIN__
 490 }
 491
 492 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 493                                       const wxPoint& pos,
 494                                       const wxSize& size)
 495 {
 496     WXDWORD exflags;
 497     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 498
 499 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 500     defined(__POCKETPC__) || \
 501     defined(__SMARTPHONE__))
 502     // Always expand to fit the screen in PocketPC or SmartPhone
 503     wxSize sz(wxDefaultSize);
 504     wxUnusedVar(size);
 505 #else // other (including normal desktop) Windows
 506     wxSize sz(size);
 507 #endif
 508
 509     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 510
 511     return result;
 512 }
 513
 514 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 515                                  wxWindowID id,
 516                                  const wxString& title,
 517                                  const wxPoint& pos,
 518                                  const wxSize& size,
 519                                  long style,
 520                                  const wxString& name)
 521 {
 522     bool ret wxDUMMY_INITIALIZE(false);
 523
 524     // init our fields
 525     Init();
 526
 527     wxSize sizeReal = size;
 528     if ( !sizeReal.IsFullySpecified() )
 529     {
 530         sizeReal.SetDefaults(GetDefaultSize());
 531     }
 532
 533     m_windowStyle = style;
 534
 535     SetName(name);
 536
 537     m_windowId = id == wxID_ANY ? NewControlId() : id;
 538
 539     wxTopLevelWindows.Append(this);
 540
 541     if ( parent )
 542         parent->AddChild(this);
 543
 544     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 545     {
 546         // we have different dialog templates to allows creation of dialogs
 547         // with & without captions under MSWindows, resizeable or not (but a
 548         // resizeable dialog always has caption - otherwise it would look too
 549         // strange)
 550
 551         // we need 3 additional WORDs for dialog menu, class and title (as we
 552         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 553         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 554         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 555         memset(dlgTemplate, 0, dlgsize);
 556
 557         // these values are arbitrary, they won't be used normally anyhow
 558         dlgTemplate->x  = 34;
 559         dlgTemplate->y  = 22;
 560         dlgTemplate->cx = 144;
 561         dlgTemplate->cy = 75;
 562
 563         // reuse the code in MSWGetStyle() but correct the results slightly for
 564         // the dialog
 565         dlgTemplate->style = MSWGetStyle(style, NULL);
 566
 567         // all dialogs are popups
 568         dlgTemplate->style |= WS_POPUP;
 569
 570 #ifndef __WXWINCE__
 571         // force 3D-look if necessary, it looks impossibly ugly otherwise
 572         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 573             dlgTemplate->style |= DS_MODALFRAME;
 574 #endif
 575
 576         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 577         free(dlgTemplate);
 578     }
 579     else // !dialog
 580     {
 581         ret = CreateFrame(title, pos, sizeReal);
 582     }
 583
 584 #ifndef __WXWINCE__
 585     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 586     {
 587         EnableCloseButton(false);
 588     }
 589 #endif
 590
 591     // for standard dialogs the dialog manager generates WM_CHANGEUISTATE
 592     // itself but for custom windows we have to do it ourselves in order to
 593     // make the keyboard indicators (such as underlines for accelerators and
 594     // focus rectangles) work under Win2k+
 595     if ( ret )
 596     {
 597         MSWUpdateUIState(UIS_INITIALIZE);
 598     }
 599
 600     // Note: if we include PocketPC in this test, dialogs can fail to show up,
 601     // for example the text entry dialog in the dialogs sample. Problem with Maximise()?
 602 #if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__WINCE_STANDARDSDK__))
 603     if ( style & wxMAXIMIZE )
 604     {
 605         this->Maximize();
 606     }
 607 #endif
 608
 609 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 610     SetRightMenu(); // to nothing for initialization
 611 #endif
 612
 613     return ret;
 614 }
 615
 616 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 617 {
 618 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 619     SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
 620     delete info;
 621     m_activateInfo = NULL;
 622 #endif
 623
 624     // after destroying an owned window, Windows activates the next top level
 625     // window in Z order but it may be different from our owner (to reproduce
 626     // this simply Alt-TAB to another application and back before closing the
 627     // owned frame) whereas we always want to yield activation to our parent
 628     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 629     {
 630         wxWindow *parent = GetParent();
 631         if ( parent )
 632         {
 633             ::BringWindowToTop(GetHwndOf(parent));
 634         }
 635     }
 636 }
 637
 638 // ----------------------------------------------------------------------------
 639 // wxTopLevelWindowMSW showing
 640 // ----------------------------------------------------------------------------
 641
 642 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 643 {
 644     ::ShowWindow(GetHwnd(), nShowCmd);
 645
 646     m_iconized = nShowCmd == SW_MINIMIZE;
 647 }
 648
 649 bool wxTopLevelWindowMSW::Show(bool show)
 650 {
 651     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 652     if ( !wxWindowBase::Show(show) )
 653         return false;
 654
 655     int nShowCmd;
 656     if ( show )
 657     {
 658         if ( m_maximizeOnShow )
 659         {
 660             // show and maximize
 661             nShowCmd = SW_MAXIMIZE;
 662
 663             // This is necessary, or no window appears
 664 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 665             DoShowWindow(SW_SHOW);
 666 #endif
 667
 668             m_maximizeOnShow = false;
 669         }
 670         else // just show
 671         {
 672            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 673                nShowCmd = SW_SHOWNA;
 674            else
 675                nShowCmd = SW_SHOW;
 676         }
 677     }
 678     else // hide
 679     {
 680         nShowCmd = SW_HIDE;
 681     }
 682
 683     DoShowWindow(nShowCmd);
 684
 685 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 686     // Addornments have to be added when the frame is the correct size
 687     wxFrame* frame = wxDynamicCast(this, wxFrame);
 688     if (frame && frame->GetMenuBar())
 689         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 690 #endif
 691
 692     return true;
 693 }
 694
 695 // ----------------------------------------------------------------------------
 696 // wxTopLevelWindowMSW maximize/minimize
 697 // ----------------------------------------------------------------------------
 698
 699 void wxTopLevelWindowMSW::Maximize(bool maximize)
 700 {
 701     if ( IsShown() )
 702     {
 703         // just maximize it directly
 704         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 705     }
 706     else // hidden
 707     {
 708         // we can't maximize the hidden frame because it shows it as well,
 709         // so just remember that we should do it later in this case
 710         m_maximizeOnShow = maximize;
 711
 712         // after calling Maximize() the client code expects to get the frame
 713         // "real" size and doesn't want to know that, because of implementation
 714         // details, the frame isn't really maximized yet but will be only once
 715         // it's shown, so return our size as it will be then in this case
 716         if ( maximize )
 717         {
 718             // unfortunately we don't know which display we're on yet so we
 719             // have to use the default one
 720             SetSize(wxGetClientDisplayRect().GetSize());
 721         }
 722         //else: can't do anything in this case, we don't have the old size
 723     }
 724 }
 725
 726 bool wxTopLevelWindowMSW::IsMaximized() const
 727 {
 728 #ifdef __WXWINCE__
 729     return false;
 730 #else
 731     return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
 732 #endif
 733 }
 734
 735 void wxTopLevelWindowMSW::Iconize(bool iconize)
 736 {
 737     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 738 }
 739
 740 bool wxTopLevelWindowMSW::IsIconized() const
 741 {
 742 #ifdef __WXWINCE__
 743     return false;
 744 #else
 745     // also update the current state
 746     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 747
 748     return m_iconized;
 749 #endif
 750 }
 751
 752 void wxTopLevelWindowMSW::Restore()
 753 {
 754     DoShowWindow(SW_RESTORE);
 755 }
 756
 757 // ----------------------------------------------------------------------------
 758 // wxTopLevelWindowMSW fullscreen
 759 // ----------------------------------------------------------------------------
 760
 761 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 762 {
 763     if ( show == IsFullScreen() )
 764     {
 765         // nothing to do
 766         return true;
 767     }
 768
 769     m_fsIsShowing = show;
 770
 771     if ( show )
 772     {
 773         m_fsStyle = style;
 774
 775         // zap the frame borders
 776
 777         // save the 'normal' window style
 778         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 779
 780         // save the old position, width & height, maximize state
 781         m_fsOldSize = GetRect();
 782         m_fsIsMaximized = IsMaximized();
 783
 784         // decide which window style flags to turn off
 785         LONG newStyle = m_fsOldWindowStyle;
 786         LONG offFlags = 0;
 787
 788         if (style & wxFULLSCREEN_NOBORDER)
 789         {
 790             offFlags |= WS_BORDER;
 791 #ifndef __WXWINCE__
 792             offFlags |= WS_THICKFRAME;
 793 #endif
 794         }
 795         if (style & wxFULLSCREEN_NOCAPTION)
 796             offFlags |= WS_CAPTION | WS_SYSMENU;
 797
 798         newStyle &= ~offFlags;
 799
 800         // change our window style to be compatible with full-screen mode
 801         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 802
 803         wxRect rect;
 804 #if wxUSE_DISPLAY
 805         // resize to the size of the display containing us
 806         int dpy = wxDisplay::GetFromWindow(this);
 807         if ( dpy != wxNOT_FOUND )
 808         {
 809             rect = wxDisplay(dpy).GetGeometry();
 810         }
 811         else // fall back to the main desktop
 812 #endif // wxUSE_DISPLAY
 813         {
 814             // resize to the size of the desktop
 815             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 816 #ifdef __WXWINCE__
 817             // FIXME: size of the bottom menu (toolbar)
 818             // should be taken in account
 819             rect.height += rect.y;
 820             rect.y       = 0;
 821 #endif
 822         }
 823
 824         SetSize(rect);
 825
 826         // now flush the window style cache and actually go full-screen
 827         long flags = SWP_FRAMECHANGED;
 828
 829         // showing the frame full screen should also show it if it's still
 830         // hidden
 831         if ( !IsShown() )
 832         {
 833             // don't call wxWindow version to avoid flicker from calling
 834             // ::ShowWindow() -- we're going to show the window at the correct
 835             // location directly below -- but do call the wxWindowBase version
 836             // to sync the internal m_isShown flag
 837             wxWindowBase::Show();
 838
 839             flags |= SWP_SHOWWINDOW;
 840         }
 841
 842         SetWindowPos(GetHwnd(), HWND_TOP,
 843                      rect.x, rect.y, rect.width, rect.height,
 844                      flags);
 845
 846 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 847         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 848 #endif
 849
 850         // finally send an event allowing the window to relayout itself &c
 851         wxSizeEvent event(rect.GetSize(), GetId());
 852         GetEventHandler()->ProcessEvent(event);
 853     }
 854     else // stop showing full screen
 855     {
 856 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 857         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 858 #endif
 859         Maximize(m_fsIsMaximized);
 860         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 861         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 862             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 863     }
 864
 865     return true;
 866 }
 867
 868 // ----------------------------------------------------------------------------
 869 // wxTopLevelWindowMSW misc
 870 // ----------------------------------------------------------------------------
 871
 872 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 873 {
 874     SetLabel(title);
 875 }
 876
 877 wxString wxTopLevelWindowMSW::GetTitle() const
 878 {
 879     return GetLabel();
 880 }
 881
 882 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 883 {
 884     SetIcons( wxIconBundle( icon ) );
 885 }
 886
 887 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 888 {
 889     wxTopLevelWindowBase::SetIcons(icons);
 890
 891 #if !defined(__WXMICROWIN__)
 892     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 893     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 894     {
 895         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 896                        (LPARAM)GetHiconOf(sml) );
 897     }
 898
 899     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 900     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 901     {
 902         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 903                        (LPARAM)GetHiconOf(big) );
 904     }
 905 #endif // !__WXMICROWIN__
 906 }
 907
 908 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 909 {
 910 #if !defined(__WXMICROWIN__)
 911     // get system (a.k.a. window) menu
 912     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 913     if ( !hmenu )
 914     {
 915         // no system menu at all -- ok if we want to remove the close button
 916         // anyhow, but bad if we want to show it
 917         return !enable;
 918     }
 919
 920     // enabling/disabling the close item from it also automatically
 921     // disables/enables the close title bar button
 922     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 923                           MF_BYCOMMAND |
 924                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 925     {
 926         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 927
 928         return false;
 929     }
 930 #ifndef __WXWINCE__
 931     // update appearance immediately
 932     if ( !::DrawMenuBar(GetHwnd()) )
 933     {
 934         wxLogLastError(_T("DrawMenuBar"));
 935     }
 936 #endif
 937 #endif // !__WXMICROWIN__
 938
 939     return true;
 940 }
 941
 942 #ifndef __WXWINCE__
 943
 944 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 945 {
 946     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 947                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 948
 949     // The empty region signifies that the shape should be removed from the
 950     // window.
 951     if ( region.IsEmpty() )
 952     {
 953         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 954         {
 955             wxLogLastError(_T("SetWindowRgn"));
 956             return false;
 957         }
 958         return true;
 959     }
 960
 961     // Windows takes ownership of the region, so
 962     // we'll have to make a copy of the region to give to it.
 963     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 964     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 965     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 966     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 967     delete[] (char*) rgnData;
 968
 969     // SetWindowRgn expects the region to be in coordinants
 970     // relative to the window, not the client area.  Figure
 971     // out the offset, if any.
 972     RECT rect;
 973     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 974     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 975     ::GetClientRect(GetHwnd(), &rect);
 976     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 977     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 978
 979     // Now call the shape API with the new region.
 980     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 981     {
 982         wxLogLastError(_T("SetWindowRgn"));
 983         return false;
 984     }
 985     return true;
 986 }
 987
 988 #endif // !__WXWINCE__
 989
 990 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 991 {
 992     // check if we can use FlashWindowEx(): unfortunately a simple test for
 993     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 994     // provide FlashWindowEx() declaration, so try to detect whether we have
 995     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 996     // declated in MSVC6 header
 997 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 998     // available in the headers, check if it is supported by the system
 999     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
1000     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
1001     if ( !s_pfnFlashWindowEx )
1002     {
1003         wxDynamicLibrary dllUser32(_T("user32.dll"));
1004         s_pfnFlashWindowEx = (FlashWindowEx_t)
1005                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1006
1007         // we can safely unload user32.dll here, it's going to remain loaded as
1008         // long as the program is running anyhow
1009     }
1010
1011     if ( s_pfnFlashWindowEx )
1012     {
1013         WinStruct<FLASHWINFO> fwi;
1014         fwi.hwnd = GetHwnd();
1015         fwi.dwFlags = FLASHW_ALL;
1016         if ( flags & wxUSER_ATTENTION_INFO )
1017         {
1018             // just flash a few times
1019             fwi.uCount = 3;
1020         }
1021         else // wxUSER_ATTENTION_ERROR
1022         {
1023             // flash until the user notices it
1024             fwi.dwFlags |= FLASHW_TIMERNOFG;
1025         }
1026
1027         s_pfnFlashWindowEx(&fwi);
1028     }
1029     else // FlashWindowEx() not available
1030 #endif // FlashWindowEx() defined
1031     {
1032         wxUnusedVar(flags);
1033 #ifndef __WXWINCE__
1034         ::FlashWindow(GetHwnd(), TRUE);
1035 #endif // __WXWINCE__
1036     }
1037 }
1038
1039 // ----------------------------------------------------------------------------
1040 // wxTopLevelWindow event handling
1041 // ----------------------------------------------------------------------------
1042
1043 // Default activation behaviour - set the focus for the first child
1044 // subwindow found.
1045 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1046 {
1047     if ( event.GetActive() )
1048     {
1049         // restore focus to the child which was last focused unless we already
1050         // have it
1051         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1052
1053         wxWindow *winFocus = FindFocus();
1054         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1055         {
1056             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1057                                                 : NULL;
1058             if ( !parent )
1059             {
1060                 parent = this;
1061             }
1062
1063             wxSetFocusToChild(parent, &m_winLastFocused);
1064         }
1065     }
1066     else // deactivating
1067     {
1068         // remember the last focused child if it is our child
1069         m_winLastFocused = FindFocus();
1070
1071         if ( m_winLastFocused )
1072         {
1073             // let it know that it doesn't have focus any more
1074             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1075
1076             // and don't remember it if it's a child from some other frame
1077             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1078             {
1079                 m_winLastFocused = NULL;
1080             }
1081         }
1082
1083         wxLogTrace(_T("focus"),
1084                    _T("wxTLW %08x deactivated, last focused: %08x."),
1085                    (int) m_hWnd,
1086                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1087                                            : NULL));
1088
1089         event.Skip();
1090     }
1091 }
1092
1093 // the DialogProc for all wxWidgets dialogs
1094 LONG APIENTRY _EXPORT
1095 wxDlgProc(HWND hDlg,
1096           UINT message,
1097           WPARAM wParam,
1098           LPARAM lParam)
1099 {
1100     switch ( message )
1101     {
1102         case WM_INITDIALOG:
1103         {
1104             // under CE, add a "Ok" button in the dialog title bar and make it full
1105             // screen
1106             //
1107             // TODO: find the window for this HWND, and take into account
1108             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1109             //
1110             // Standard SDK doesn't have aygshell.dll: see
1111             // include/wx/msw/wince/libraries.h
1112 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1113             SHINITDLGINFO shidi;
1114             shidi.dwMask = SHIDIM_FLAGS;
1115             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1116 #ifndef __SMARTPHONE__
1117                             | SHIDIF_DONEBUTTON
1118 #endif
1119                         ;
1120             shidi.hDlg = hDlg;
1121             SHInitDialog( &shidi );
1122 #else // no SHInitDialog()
1123             wxUnusedVar(hDlg);
1124 #endif
1125             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1126             // the first control in the dialog box, but as we set the focus
1127             // ourselves, we return FALSE for it as well
1128             return FALSE;
1129         }
1130
1131         case WM_SETTINGCHANGE:
1132         {
1133 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
1134             wxTopLevelWindow *tlw = wxDynamicCast(wxGetWindowFromHWND(hDlg), wxTopLevelWindow);
1135             if(tlw) return tlw->HandleSettingChange(wParam,lParam) ? TRUE : FALSE;
1136 #else
1137             wxUnusedVar(wParam);
1138             wxUnusedVar(lParam);
1139 #endif
1140             break;
1141         }
1142     }
1143
1144     // for almost all messages, returning FALSE means that we didn't process
1145     // the message
1146     return FALSE;
1147 }
1148
1149 // ============================================================================
1150 // wxTLWHiddenParentModule implementation
1151 // ============================================================================
1152
1153 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1154
1155 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1156
1157 bool wxTLWHiddenParentModule::OnInit()
1158 {
1159     ms_hwnd = NULL;
1160     ms_className = NULL;
1161
1162     return true;
1163 }
1164
1165 void wxTLWHiddenParentModule::OnExit()
1166 {
1167     if ( ms_hwnd )
1168     {
1169         if ( !::DestroyWindow(ms_hwnd) )
1170         {
1171             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1172         }
1173
1174         ms_hwnd = NULL;
1175     }
1176
1177     if ( ms_className )
1178     {
1179         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1180         {
1181             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1182         }
1183
1184         ms_className = NULL;
1185     }
1186 }
1187
1188 /* static */
1189 HWND wxTLWHiddenParentModule::GetHWND()
1190 {
1191     if ( !ms_hwnd )
1192     {
1193         if ( !ms_className )
1194         {
1195             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1196
1197             WNDCLASS wndclass;
1198             wxZeroMemory(wndclass);
1199
1200             wndclass.lpfnWndProc   = DefWindowProc;
1201             wndclass.hInstance     = wxGetInstance();
1202             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1203
1204             if ( !::RegisterClass(&wndclass) )
1205             {
1206                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1207             }
1208             else
1209             {
1210                 ms_className = HIDDEN_PARENT_CLASS;
1211             }
1212         }
1213
1214         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1215                                  (HMENU)NULL, wxGetInstance(), NULL);
1216         if ( !ms_hwnd )
1217         {
1218             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1219         }
1220     }
1221
1222     return ms_hwnd;
1223 }