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, so
 709         // 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
 717         // we don't know which display we're on yet so use the default one
 718         SetSize(wxGetClientDisplayRect().GetSize());
 719     }
 720 }
 721
 722 bool wxTopLevelWindowMSW::IsMaximized() const
 723 {
 724 #ifdef __WXWINCE__
 725     return false;
 726 #else
 727     return m_maximizeOnShow || ::IsZoomed(GetHwnd()) != 0;
 728 #endif
 729 }
 730
 731 void wxTopLevelWindowMSW::Iconize(bool iconize)
 732 {
 733     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 734 }
 735
 736 bool wxTopLevelWindowMSW::IsIconized() const
 737 {
 738 #ifdef __WXWINCE__
 739     return false;
 740 #else
 741     // also update the current state
 742     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 743
 744     return m_iconized;
 745 #endif
 746 }
 747
 748 void wxTopLevelWindowMSW::Restore()
 749 {
 750     DoShowWindow(SW_RESTORE);
 751 }
 752
 753 // ----------------------------------------------------------------------------
 754 // wxTopLevelWindowMSW fullscreen
 755 // ----------------------------------------------------------------------------
 756
 757 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 758 {
 759     if ( show == IsFullScreen() )
 760     {
 761         // nothing to do
 762         return true;
 763     }
 764
 765     m_fsIsShowing = show;
 766
 767     if ( show )
 768     {
 769         m_fsStyle = style;
 770
 771         // zap the frame borders
 772
 773         // save the 'normal' window style
 774         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 775
 776         // save the old position, width & height, maximize state
 777         m_fsOldSize = GetRect();
 778         m_fsIsMaximized = IsMaximized();
 779
 780         // decide which window style flags to turn off
 781         LONG newStyle = m_fsOldWindowStyle;
 782         LONG offFlags = 0;
 783
 784         if (style & wxFULLSCREEN_NOBORDER)
 785         {
 786             offFlags |= WS_BORDER;
 787 #ifndef __WXWINCE__
 788             offFlags |= WS_THICKFRAME;
 789 #endif
 790         }
 791         if (style & wxFULLSCREEN_NOCAPTION)
 792             offFlags |= WS_CAPTION | WS_SYSMENU;
 793
 794         newStyle &= ~offFlags;
 795
 796         // change our window style to be compatible with full-screen mode
 797         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 798
 799         wxRect rect;
 800 #if wxUSE_DISPLAY
 801         // resize to the size of the display containing us
 802         int dpy = wxDisplay::GetFromWindow(this);
 803         if ( dpy != wxNOT_FOUND )
 804         {
 805             rect = wxDisplay(dpy).GetGeometry();
 806         }
 807         else // fall back to the main desktop
 808 #endif // wxUSE_DISPLAY
 809         {
 810             // resize to the size of the desktop
 811             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 812 #ifdef __WXWINCE__
 813             // FIXME: size of the bottom menu (toolbar)
 814             // should be taken in account
 815             rect.height += rect.y;
 816             rect.y       = 0;
 817 #endif
 818         }
 819
 820         SetSize(rect);
 821
 822         // now flush the window style cache and actually go full-screen
 823         long flags = SWP_FRAMECHANGED;
 824
 825         // showing the frame full screen should also show it if it's still
 826         // hidden
 827         if ( !IsShown() )
 828         {
 829             // don't call wxWindow version to avoid flicker from calling
 830             // ::ShowWindow() -- we're going to show the window at the correct
 831             // location directly below -- but do call the wxWindowBase version
 832             // to sync the internal m_isShown flag
 833             wxWindowBase::Show();
 834
 835             flags |= SWP_SHOWWINDOW;
 836         }
 837
 838         SetWindowPos(GetHwnd(), HWND_TOP,
 839                      rect.x, rect.y, rect.width, rect.height,
 840                      flags);
 841
 842 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 843         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 844 #endif
 845
 846         // finally send an event allowing the window to relayout itself &c
 847         wxSizeEvent event(rect.GetSize(), GetId());
 848         GetEventHandler()->ProcessEvent(event);
 849     }
 850     else // stop showing full screen
 851     {
 852 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 853         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 854 #endif
 855         Maximize(m_fsIsMaximized);
 856         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 857         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 858             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 859     }
 860
 861     return true;
 862 }
 863
 864 // ----------------------------------------------------------------------------
 865 // wxTopLevelWindowMSW misc
 866 // ----------------------------------------------------------------------------
 867
 868 void wxTopLevelWindowMSW::SetTitle( const wxString& title)
 869 {
 870     SetLabel(title);
 871 }
 872
 873 wxString wxTopLevelWindowMSW::GetTitle() const
 874 {
 875     return GetLabel();
 876 }
 877
 878 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 879 {
 880     SetIcons( wxIconBundle( icon ) );
 881 }
 882
 883 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 884 {
 885     wxTopLevelWindowBase::SetIcons(icons);
 886
 887 #if !defined(__WXMICROWIN__)
 888     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 889     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 890     {
 891         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 892                        (LPARAM)GetHiconOf(sml) );
 893     }
 894
 895     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 896     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 897     {
 898         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 899                        (LPARAM)GetHiconOf(big) );
 900     }
 901 #endif // !__WXMICROWIN__
 902 }
 903
 904 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 905 {
 906 #if !defined(__WXMICROWIN__)
 907     // get system (a.k.a. window) menu
 908     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 909     if ( !hmenu )
 910     {
 911         // no system menu at all -- ok if we want to remove the close button
 912         // anyhow, but bad if we want to show it
 913         return !enable;
 914     }
 915
 916     // enabling/disabling the close item from it also automatically
 917     // disables/enables the close title bar button
 918     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 919                           MF_BYCOMMAND |
 920                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 921     {
 922         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 923
 924         return false;
 925     }
 926 #ifndef __WXWINCE__
 927     // update appearance immediately
 928     if ( !::DrawMenuBar(GetHwnd()) )
 929     {
 930         wxLogLastError(_T("DrawMenuBar"));
 931     }
 932 #endif
 933 #endif // !__WXMICROWIN__
 934
 935     return true;
 936 }
 937
 938 #ifndef __WXWINCE__
 939
 940 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 941 {
 942     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 943                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 944
 945     // The empty region signifies that the shape should be removed from the
 946     // window.
 947     if ( region.IsEmpty() )
 948     {
 949         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 950         {
 951             wxLogLastError(_T("SetWindowRgn"));
 952             return false;
 953         }
 954         return true;
 955     }
 956
 957     // Windows takes ownership of the region, so
 958     // we'll have to make a copy of the region to give to it.
 959     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 960     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 961     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 962     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 963     delete[] (char*) rgnData;
 964
 965     // SetWindowRgn expects the region to be in coordinants
 966     // relative to the window, not the client area.  Figure
 967     // out the offset, if any.
 968     RECT rect;
 969     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 970     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 971     ::GetClientRect(GetHwnd(), &rect);
 972     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 973     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 974
 975     // Now call the shape API with the new region.
 976     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 977     {
 978         wxLogLastError(_T("SetWindowRgn"));
 979         return false;
 980     }
 981     return true;
 982 }
 983
 984 #endif // !__WXWINCE__
 985
 986 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 987 {
 988     // check if we can use FlashWindowEx(): unfortunately a simple test for
 989     // FLASHW_STOP doesn't work because MSVC6 headers do #define it but don't
 990     // provide FlashWindowEx() declaration, so try to detect whether we have
 991     // real headers for WINVER 0x0500 by checking for existence of a symbol not
 992     // declated in MSVC6 header
 993 #if defined(FLASHW_STOP) && defined(VK_XBUTTON1)
 994     // available in the headers, check if it is supported by the system
 995     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 996     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 997     if ( !s_pfnFlashWindowEx )
 998     {
 999         wxDynamicLibrary dllUser32(_T("user32.dll"));
1000         s_pfnFlashWindowEx = (FlashWindowEx_t)
1001                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
1002
1003         // we can safely unload user32.dll here, it's going to remain loaded as
1004         // long as the program is running anyhow
1005     }
1006
1007     if ( s_pfnFlashWindowEx )
1008     {
1009         WinStruct<FLASHWINFO> fwi;
1010         fwi.hwnd = GetHwnd();
1011         fwi.dwFlags = FLASHW_ALL;
1012         if ( flags & wxUSER_ATTENTION_INFO )
1013         {
1014             // just flash a few times
1015             fwi.uCount = 3;
1016         }
1017         else // wxUSER_ATTENTION_ERROR
1018         {
1019             // flash until the user notices it
1020             fwi.dwFlags |= FLASHW_TIMERNOFG;
1021         }
1022
1023         s_pfnFlashWindowEx(&fwi);
1024     }
1025     else // FlashWindowEx() not available
1026 #endif // FlashWindowEx() defined
1027     {
1028         wxUnusedVar(flags);
1029 #ifndef __WXWINCE__
1030         ::FlashWindow(GetHwnd(), TRUE);
1031 #endif // __WXWINCE__
1032     }
1033 }
1034
1035 // ----------------------------------------------------------------------------
1036 // wxTopLevelWindow event handling
1037 // ----------------------------------------------------------------------------
1038
1039 // Default activation behaviour - set the focus for the first child
1040 // subwindow found.
1041 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
1042 {
1043     if ( event.GetActive() )
1044     {
1045         // restore focus to the child which was last focused unless we already
1046         // have it
1047         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
1048
1049         wxWindow *winFocus = FindFocus();
1050         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
1051         {
1052             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
1053                                                 : NULL;
1054             if ( !parent )
1055             {
1056                 parent = this;
1057             }
1058
1059             wxSetFocusToChild(parent, &m_winLastFocused);
1060         }
1061     }
1062     else // deactivating
1063     {
1064         // remember the last focused child if it is our child
1065         m_winLastFocused = FindFocus();
1066
1067         if ( m_winLastFocused )
1068         {
1069             // let it know that it doesn't have focus any more
1070             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
1071
1072             // and don't remember it if it's a child from some other frame
1073             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1074             {
1075                 m_winLastFocused = NULL;
1076             }
1077         }
1078
1079         wxLogTrace(_T("focus"),
1080                    _T("wxTLW %08x deactivated, last focused: %08x."),
1081                    (int) m_hWnd,
1082                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1083                                            : NULL));
1084
1085         event.Skip();
1086     }
1087 }
1088
1089 // the DialogProc for all wxWidgets dialogs
1090 LONG APIENTRY _EXPORT
1091 wxDlgProc(HWND hDlg,
1092           UINT message,
1093           WPARAM wParam,
1094           LPARAM lParam)
1095 {
1096     switch ( message )
1097     {
1098         case WM_INITDIALOG:
1099         {
1100             // under CE, add a "Ok" button in the dialog title bar and make it full
1101             // screen
1102             //
1103             // TODO: find the window for this HWND, and take into account
1104             // wxMAXIMIZE and wxCLOSE_BOX. For now, assume both are present.
1105             //
1106             // Standard SDK doesn't have aygshell.dll: see
1107             // include/wx/msw/wince/libraries.h
1108 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1109             SHINITDLGINFO shidi;
1110             shidi.dwMask = SHIDIM_FLAGS;
1111             shidi.dwFlags = SHIDIF_SIZEDLG // take account of the SIP or menubar
1112 #ifndef __SMARTPHONE__
1113                             | SHIDIF_DONEBUTTON
1114 #endif
1115                         ;
1116             shidi.hDlg = hDlg;
1117             SHInitDialog( &shidi );
1118 #else // no SHInitDialog()
1119             wxUnusedVar(hDlg);
1120 #endif
1121             // for WM_INITDIALOG, returning TRUE tells system to set focus to
1122             // the first control in the dialog box, but as we set the focus
1123             // ourselves, we return FALSE for it as well
1124             return FALSE;
1125         }
1126
1127         case WM_SETTINGCHANGE:
1128         {
1129 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
1130             wxTopLevelWindow *tlw = wxDynamicCast(wxGetWindowFromHWND(hDlg), wxTopLevelWindow);
1131             if(tlw) return tlw->HandleSettingChange(wParam,lParam) ? TRUE : FALSE;
1132 #else
1133             wxUnusedVar(wParam);
1134             wxUnusedVar(lParam);
1135 #endif
1136             break;
1137         }
1138     }
1139
1140     // for almost all messages, returning FALSE means that we didn't process
1141     // the message
1142     return FALSE;
1143 }
1144
1145 // ============================================================================
1146 // wxTLWHiddenParentModule implementation
1147 // ============================================================================
1148
1149 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1150
1151 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1152
1153 bool wxTLWHiddenParentModule::OnInit()
1154 {
1155     ms_hwnd = NULL;
1156     ms_className = NULL;
1157
1158     return true;
1159 }
1160
1161 void wxTLWHiddenParentModule::OnExit()
1162 {
1163     if ( ms_hwnd )
1164     {
1165         if ( !::DestroyWindow(ms_hwnd) )
1166         {
1167             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1168         }
1169
1170         ms_hwnd = NULL;
1171     }
1172
1173     if ( ms_className )
1174     {
1175         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1176         {
1177             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1178         }
1179
1180         ms_className = NULL;
1181     }
1182 }
1183
1184 /* static */
1185 HWND wxTLWHiddenParentModule::GetHWND()
1186 {
1187     if ( !ms_hwnd )
1188     {
1189         if ( !ms_className )
1190         {
1191             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1192
1193             WNDCLASS wndclass;
1194             wxZeroMemory(wndclass);
1195
1196             wndclass.lpfnWndProc   = DefWindowProc;
1197             wndclass.hInstance     = wxGetInstance();
1198             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1199
1200             if ( !::RegisterClass(&wndclass) )
1201             {
1202                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1203             }
1204             else
1205             {
1206                 ms_className = HIDDEN_PARENT_CLASS;
1207             }
1208         }
1209
1210         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1211                                  (HMENU)NULL, wxGetInstance(), NULL);
1212         if ( !ms_hwnd )
1213         {
1214             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1215         }
1216     }
1217
1218     return ms_hwnd;
1219 }