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