src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/dialog.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/frame.h"
  39     #include "wx/containr.h"        // wxSetFocusToChild()
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/module.h"
  43 #include "wx/dynlib.h"
  44
  45 #include "wx/msw/private.h"
  46 #if defined(__WXWINCE__) && !defined(__HANDHELDPC__)
  47   #include <ole2.h>
  48   #include <shellapi.h>
  49   // Standard SDK doesn't have aygshell.dll: see include/wx/msw/wince/libraries.h
  50   #if _WIN32_WCE < 400 || !defined(__WINCE_STANDARDSDK__)
  51     #include <aygshell.h>
  52   #endif
  53 #include "wx/msw/wince/missing.h"
  54 #endif
  55
  56 #include "wx/msw/missing.h"
  57 #include "wx/msw/winundef.h"
  58
  59 #include "wx/display.h"
  60
  61 #ifndef ICON_BIG
  62     #define ICON_BIG 1
  63 #endif
  64
  65 #ifndef ICON_SMALL
  66     #define ICON_SMALL 0
  67 #endif
  68
  69 // ----------------------------------------------------------------------------
  70 // stubs for missing functions under MicroWindows
  71 // ----------------------------------------------------------------------------
  72
  73 #ifdef __WXMICROWIN__
  74
  75 // static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return false; }
  76 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
  77
  78 #endif // __WXMICROWIN__
  79
  80 // NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
  81 //     is not included by wxUniv build which does need wxDlgProc
  82 LONG APIENTRY _EXPORT
  83 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
  84
  85 // ----------------------------------------------------------------------------
  86 // globals
  87 // ----------------------------------------------------------------------------
  88
  89 // the name of the default wxWidgets class
  90 #ifdef __WXWINCE__
  91 extern       wxChar *wxCanvasClassName;
  92 #else
  93 extern const wxChar *wxCanvasClassName;
  94 #endif
  95
  96 // ----------------------------------------------------------------------------
  97 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
  98 // module to ensure that the window is always deleted)
  99 // ----------------------------------------------------------------------------
 100
 101 class wxTLWHiddenParentModule : public wxModule
 102 {
 103 public:
 104     // module init/finalize
 105     virtual bool OnInit();
 106     virtual void OnExit();
 107
 108     // get the hidden window (creates on demand)
 109     static HWND GetHWND();
 110
 111 private:
 112     // the HWND of the hidden parent
 113     static HWND ms_hwnd;
 114
 115     // the class used to create it
 116     static const wxChar *ms_className;
 117
 118     DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
 119 };
 120
 121 IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
 122
 123 // ============================================================================
 124 // wxTopLevelWindowMSW implementation
 125 // ============================================================================
 126
 127 BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
 128     EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
 129 END_EVENT_TABLE()
 130
 131 // ----------------------------------------------------------------------------
 132 // wxTopLevelWindowMSW creation
 133 // ----------------------------------------------------------------------------
 134
 135 void wxTopLevelWindowMSW::Init()
 136 {
 137     m_iconized =
 138     m_maximizeOnShow = false;
 139
 140     // Data to save/restore when calling ShowFullScreen
 141     m_fsStyle = 0;
 142     m_fsOldWindowStyle = 0;
 143     m_fsIsMaximized = false;
 144     m_fsIsShowing = false;
 145
 146     m_winLastFocused = (wxWindow *)NULL;
 147
 148 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 149     m_MenuBarHWND = 0;
 150 #endif
 151 }
 152
 153 WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 154 {
 155     // let the base class deal with the common styles but fix the ones which
 156     // don't make sense for us (we also deal with the borders ourselves)
 157     WXDWORD msflags = wxWindow::MSWGetStyle
 158                       (
 159                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
 160                       ) & ~WS_CHILD & ~WS_VISIBLE;
 161
 162     // For some reason, WS_VISIBLE needs to be defined on creation for
 163     // SmartPhone 2003. The title can fail to be displayed otherwise.
 164 #if defined(__SMARTPHONE__) || (defined(__WXWINCE__) && _WIN32_WCE < 400)
 165     msflags |= WS_VISIBLE;
 166     ((wxTopLevelWindowMSW*)this)->wxWindowBase::Show(true);
 167 #endif
 168
 169     // first select the kind of window being created
 170     //
 171     // note that if we don't set WS_POPUP, Windows assumes WS_OVERLAPPED and
 172     // creates a window with both caption and border, hence we need to use
 173     // WS_POPUP in a few cases just to avoid having caption/border which we
 174     // don't want
 175
 176 #if !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 177     // border and caption styles
 178     if ( style & wxRESIZE_BORDER )
 179         msflags |= WS_THICKFRAME;
 180     else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
 181         *exflags |= WS_EX_DLGMODALFRAME;
 182     else if ( !(style & wxBORDER_NONE) )
 183         msflags |= WS_BORDER;
 184     else
 185         msflags |= WS_POPUP;
 186 #endif
 187
 188     // normally we consider that all windows without caption must be popups,
 189     // but CE is an exception: there windows normally do not have the caption
 190     // but shouldn't be made popups as popups can't have menus and don't look
 191     // like normal windows anyhow
 192     if ( style & wxCAPTION )
 193         msflags |= WS_CAPTION;
 194 #ifndef __WXWINCE__
 195     else
 196         msflags |= WS_POPUP;
 197 #endif // !__WXWINCE__
 198
 199     // next translate the individual flags
 200     if ( style & wxMINIMIZE_BOX )
 201         msflags |= WS_MINIMIZEBOX;
 202     if ( style & wxMAXIMIZE_BOX )
 203         msflags |= WS_MAXIMIZEBOX;
 204     if ( style & wxSYSTEM_MENU )
 205         msflags |= WS_SYSMENU;
 206
 207     // NB: under CE these 2 styles are not supported currently, we should
 208     //     call Minimize()/Maximize() "manually" if we want to support them
 209     if ( style & wxMINIMIZE )
 210         msflags |= WS_MINIMIZE;
 211     if ( style & wxMAXIMIZE )
 212         msflags |= WS_MAXIMIZE;
 213
 214     // Keep this here because it saves recoding this function in wxTinyFrame
 215     if ( style & (wxTINY_CAPTION_VERT | wxTINY_CAPTION_HORIZ) )
 216         msflags |= WS_CAPTION;
 217
 218     if ( exflags )
 219     {
 220         // there is no taskbar under CE, so omit all this
 221 #if !defined(__WXWINCE__)
 222         if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
 223         {
 224             if ( style & wxFRAME_TOOL_WINDOW )
 225             {
 226                 // create the palette-like window
 227                 *exflags |= WS_EX_TOOLWINDOW;
 228
 229                 // tool windows shouldn't appear on the taskbar (as documented)
 230                 style |= wxFRAME_NO_TASKBAR;
 231             }
 232
 233             // We have to solve 2 different problems here:
 234             //
 235             // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
 236             //    taskbar even if they don't have a parent
 237             //
 238             // 2. frames without this style should appear in the taskbar even
 239             //    if they're owned (Windows only puts non owned windows into
 240             //    the taskbar normally)
 241             //
 242             // The second one is solved here by using WS_EX_APPWINDOW flag, the
 243             // first one is dealt with in our MSWGetParent() method
 244             // implementation
 245             if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
 246             {
 247                 // need to force the frame to appear in the taskbar
 248                 *exflags |= WS_EX_APPWINDOW;
 249             }
 250             //else: nothing to do [here]
 251         }
 252 #endif // !__WXWINCE__
 253
 254         if ( style & wxSTAY_ON_TOP )
 255             *exflags |= WS_EX_TOPMOST;
 256
 257         if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
 258             *exflags |= WS_EX_CONTEXTHELP;
 259     }
 260
 261     return msflags;
 262 }
 263
 264 WXHWND wxTopLevelWindowMSW::MSWGetParent() const
 265 {
 266     // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
 267     // parent HWND or it would be always on top of its parent which is not what
 268     // we usually want (in fact, we only want it for frames with the
 269     // wxFRAME_FLOAT_ON_PARENT flag)
 270     HWND hwndParent = NULL;
 271     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 272     {
 273         const wxWindow *parent = GetParent();
 274
 275         if ( !parent )
 276         {
 277             // this flag doesn't make sense then and will be ignored
 278             wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
 279         }
 280         else
 281         {
 282             hwndParent = GetHwndOf(parent);
 283         }
 284     }
 285     //else: don't float on parent, must not be owned
 286
 287     // now deal with the 2nd taskbar-related problem (see comments above in
 288     // MSWGetStyle())
 289     if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
 290     {
 291         // use hidden parent
 292         hwndParent = wxTLWHiddenParentModule::GetHWND();
 293     }
 294
 295     return (WXHWND)hwndParent;
 296 }
 297
 298 bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
 299                                        const wxString& title,
 300                                        const wxPoint& pos,
 301                                        const wxSize& size)
 302 {
 303 #ifdef __WXMICROWIN__
 304     // no dialogs support under MicroWin yet
 305     return CreateFrame(title, pos, size);
 306 #else // !__WXMICROWIN__
 307     wxWindow *parent = GetParent();
 308
 309     // for the dialogs without wxDIALOG_NO_PARENT style, use the top level
 310     // app window as parent - this avoids creating modal dialogs without
 311     // parent
 312     if ( !parent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
 313     {
 314         parent = wxTheApp->GetTopWindow();
 315
 316         if ( parent )
 317         {
 318             // don't use transient windows as parents, this is dangerous as it
 319             // can lead to a crash if the parent is destroyed before the child
 320             //
 321             // also don't use the window which is currently hidden as then the
 322             // dialog would be hidden as well
 323             if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
 324                     !parent->IsShown() )
 325             {
 326                 parent = NULL;
 327             }
 328         }
 329     }
 330
 331     m_hWnd = (WXHWND)::CreateDialogIndirect
 332                        (
 333                         wxGetInstance(),
 334                         (DLGTEMPLATE*)dlgTemplate,
 335                         parent ? GetHwndOf(parent) : NULL,
 336                         (DLGPROC)wxDlgProc
 337                        );
 338
 339     if ( !m_hWnd )
 340     {
 341         wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
 342
 343         wxLogSysError(wxT("Can't create dialog using memory template"));
 344
 345         return false;
 346     }
 347
 348     WXDWORD exflags;
 349     (void)MSWGetCreateWindowFlags(&exflags);
 350
 351     if ( exflags )
 352     {
 353         ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
 354         ::SetWindowPos(GetHwnd(),
 355                        exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
 356                        0, 0, 0, 0,
 357                        SWP_NOSIZE |
 358                        SWP_NOMOVE |
 359                        (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
 360                        SWP_NOACTIVATE);
 361     }
 362
 363 #if defined(__WIN95__)
 364     // For some reason, the system menu is activated when we use the
 365     // WS_EX_CONTEXTHELP style, so let's set a reasonable icon
 366     if ( exflags & WS_EX_CONTEXTHELP )
 367     {
 368         wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 369         if ( winTop )
 370         {
 371             wxIcon icon = winTop->GetIcon();
 372             if ( icon.Ok() )
 373             {
 374                 ::SendMessage(GetHwnd(), WM_SETICON,
 375                               (WPARAM)TRUE,
 376                               (LPARAM)GetHiconOf(icon));
 377             }
 378         }
 379     }
 380 #endif // __WIN95__
 381
 382     // move the dialog to its initial position without forcing repainting
 383     int x, y, w, h;
 384     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
 385
 386     if ( x == (int)CW_USEDEFAULT )
 387     {
 388         // centre it on the screen - what else can we do?
 389         wxSize sizeDpy = wxGetDisplaySize();
 390
 391         x = (sizeDpy.x - w) / 2;
 392         y = (sizeDpy.y - h) / 2;
 393     }
 394
 395 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
 396     if ( !::MoveWindow(GetHwnd(), x, y, w, h, FALSE) )
 397     {
 398         wxLogLastError(wxT("MoveWindow"));
 399     }
 400 #endif
 401
 402     if ( !title.empty() )
 403     {
 404         ::SetWindowText(GetHwnd(), title);
 405     }
 406
 407     SubclassWin(m_hWnd);
 408
 409 #ifdef __SMARTPHONE__
 410     // Work around title non-display glitch
 411     Show(false);
 412 #endif
 413
 414     return true;
 415 #endif // __WXMICROWIN__/!__WXMICROWIN__
 416 }
 417
 418 bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
 419                                       const wxPoint& pos,
 420                                       const wxSize& size)
 421 {
 422     WXDWORD exflags;
 423     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 424
 425 #if !defined(__HANDHELDPC__) && ((defined(_WIN32_WCE) && _WIN32_WCE < 400) || \
 426     defined(__POCKETPC__) || \
 427     defined(__SMARTPHONE__))
 428     // Always expand to fit the screen in PocketPC or SmartPhone
 429     wxSize sz(wxDefaultSize);
 430     wxUnusedVar(size);
 431 #else // other (including normal desktop) Windows
 432     wxSize sz(size);
 433 #endif
 434
 435     bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 436
 437 #ifdef __SMARTPHONE__
 438     // Work around title non-display glitch
 439     Show(false);
 440 #endif
 441     return result;
 442 }
 443
 444 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
 445                                  wxWindowID id,
 446                                  const wxString& title,
 447                                  const wxPoint& pos,
 448                                  const wxSize& size,
 449                                  long style,
 450                                  const wxString& name)
 451 {
 452     bool ret wxDUMMY_INITIALIZE(false);
 453
 454     // init our fields
 455     Init();
 456
 457     wxSize sizeReal = size;
 458     if ( !sizeReal.IsFullySpecified() )
 459     {
 460         sizeReal.SetDefaults(GetDefaultSize());
 461     }
 462
 463     m_windowStyle = style;
 464
 465     SetName(name);
 466
 467     m_windowId = id == wxID_ANY ? NewControlId() : id;
 468
 469     wxTopLevelWindows.Append(this);
 470
 471     if ( parent )
 472         parent->AddChild(this);
 473
 474     if ( GetExtraStyle() & wxTOPLEVEL_EX_DIALOG )
 475     {
 476         // we have different dialog templates to allows creation of dialogs
 477         // with & without captions under MSWindows, resizeable or not (but a
 478         // resizeable dialog always has caption - otherwise it would look too
 479         // strange)
 480
 481         // we need 3 additional WORDs for dialog menu, class and title (as we
 482         // don't use DS_SETFONT we don't need the fourth WORD for the font)
 483         static const int dlgsize = sizeof(DLGTEMPLATE) + (sizeof(WORD) * 3);
 484         DLGTEMPLATE *dlgTemplate = (DLGTEMPLATE *)malloc(dlgsize);
 485         memset(dlgTemplate, 0, dlgsize);
 486
 487         // these values are arbitrary, they won't be used normally anyhow
 488         dlgTemplate->x  = 34;
 489         dlgTemplate->y  = 22;
 490         dlgTemplate->cx = 144;
 491         dlgTemplate->cy = 75;
 492
 493         // reuse the code in MSWGetStyle() but correct the results slightly for
 494         // the dialog
 495         dlgTemplate->style = MSWGetStyle(style, NULL);
 496
 497         // all dialogs are popups
 498         dlgTemplate->style |= WS_POPUP;
 499
 500         // force 3D-look if necessary, it looks impossibly ugly otherwise
 501         if ( style & (wxRESIZE_BORDER | wxCAPTION) )
 502             dlgTemplate->style |= DS_MODALFRAME;
 503
 504         ret = CreateDialog(dlgTemplate, title, pos, sizeReal);
 505         free(dlgTemplate);
 506     }
 507     else // !dialog
 508     {
 509         ret = CreateFrame(title, pos, sizeReal);
 510     }
 511
 512     if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
 513     {
 514         EnableCloseButton(false);
 515     }
 516
 517     // for some reason we need to manually send ourselves this message as
 518     // otherwise the mnemonics are always shown -- even if they're configured
 519     // to be hidden until "Alt" is pressed in the control panel
 520     //
 521     // this could indicate a bug somewhere else but for now this is the only
 522     // fix we have
 523     if ( ret )
 524     {
 525         ::SendMessage
 526         (
 527             GetHwnd(),
 528             WM_UPDATEUISTATE,
 529             MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL),
 530             0
 531         );
 532     }
 533
 534     // Native look is full screen window on Smartphones and Standard SDK
 535 #if defined(__WXWINCE__)
 536     if ( style & wxMAXIMIZE )
 537     {
 538         this->Maximize();
 539     }
 540 #endif
 541
 542 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 543     SetRightMenu(); // to nothing for initialization
 544 #endif
 545
 546     return ret;
 547 }
 548
 549 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 550 {
 551     // after destroying an owned window, Windows activates the next top level
 552     // window in Z order but it may be different from our owner (to reproduce
 553     // this simply Alt-TAB to another application and back before closing the
 554     // owned frame) whereas we always want to yield activation to our parent
 555     if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
 556     {
 557         wxWindow *parent = GetParent();
 558         if ( parent )
 559         {
 560             ::BringWindowToTop(GetHwndOf(parent));
 561         }
 562     }
 563 }
 564
 565 // ----------------------------------------------------------------------------
 566 // wxTopLevelWindowMSW showing
 567 // ----------------------------------------------------------------------------
 568
 569 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 570 {
 571     ::ShowWindow(GetHwnd(), nShowCmd);
 572
 573     m_iconized = nShowCmd == SW_MINIMIZE;
 574 }
 575
 576 bool wxTopLevelWindowMSW::Show(bool show)
 577 {
 578     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 579     if ( !wxWindowBase::Show(show) )
 580         return false;
 581
 582     int nShowCmd;
 583     if ( show )
 584     {
 585         if ( m_maximizeOnShow )
 586         {
 587             // show and maximize
 588             nShowCmd = SW_MAXIMIZE;
 589
 590             // This is necessary, or no window appears
 591 #if defined( __WINCE_STANDARDSDK__) || defined(__SMARTPHONE__)
 592             DoShowWindow(SW_SHOW);
 593 #endif
 594
 595             m_maximizeOnShow = false;
 596         }
 597         else // just show
 598         {
 599            if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 600                nShowCmd = SW_SHOWNA;
 601            else
 602                nShowCmd = SW_SHOW;
 603         }
 604     }
 605     else // hide
 606     {
 607         nShowCmd = SW_HIDE;
 608     }
 609
 610     DoShowWindow(nShowCmd);
 611
 612 #if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
 613     // Addornments have to be added when the frame is the correct size
 614     wxFrame* frame = wxDynamicCast(this, wxFrame);
 615     if (frame && frame->GetMenuBar())
 616         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 617 #endif
 618
 619     if ( show )
 620     {
 621         ::BringWindowToTop(GetHwnd());
 622
 623         wxActivateEvent event(wxEVT_ACTIVATE, true, m_windowId);
 624         event.SetEventObject( this );
 625         GetEventHandler()->ProcessEvent(event);
 626     }
 627     else // hide
 628     {
 629         // Try to highlight the correct window (the parent)
 630         if ( GetParent() )
 631         {
 632             HWND hWndParent = GetHwndOf(GetParent());
 633             if (hWndParent)
 634                 ::BringWindowToTop(hWndParent);
 635         }
 636     }
 637
 638     return true;
 639 }
 640
 641 // ----------------------------------------------------------------------------
 642 // wxTopLevelWindowMSW maximize/minimize
 643 // ----------------------------------------------------------------------------
 644
 645 void wxTopLevelWindowMSW::Maximize(bool maximize)
 646 {
 647     if ( IsShown() )
 648     {
 649         // just maximize it directly
 650         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 651     }
 652     else // hidden
 653     {
 654         // we can't maximize the hidden frame because it shows it as well, so
 655         // just remember that we should do it later in this case
 656         m_maximizeOnShow = maximize;
 657     }
 658 }
 659
 660 bool wxTopLevelWindowMSW::IsMaximized() const
 661 {
 662 #ifdef __WXWINCE__
 663     return false;
 664 #else
 665     return ::IsZoomed(GetHwnd()) != 0;
 666 #endif
 667 }
 668
 669 void wxTopLevelWindowMSW::Iconize(bool iconize)
 670 {
 671     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 672 }
 673
 674 bool wxTopLevelWindowMSW::IsIconized() const
 675 {
 676 #ifdef __WXWINCE__
 677     return false;
 678 #else
 679     // also update the current state
 680     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 681
 682     return m_iconized;
 683 #endif
 684 }
 685
 686 void wxTopLevelWindowMSW::Restore()
 687 {
 688     DoShowWindow(SW_RESTORE);
 689 }
 690
 691 // ----------------------------------------------------------------------------
 692 // wxTopLevelWindowMSW fullscreen
 693 // ----------------------------------------------------------------------------
 694
 695 bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 696 {
 697     if ( show == IsFullScreen() )
 698     {
 699         // nothing to do
 700         return true;
 701     }
 702
 703     m_fsIsShowing = show;
 704
 705     if ( show )
 706     {
 707         m_fsStyle = style;
 708
 709         // zap the frame borders
 710
 711         // save the 'normal' window style
 712         m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
 713
 714         // save the old position, width & height, maximize state
 715         m_fsOldSize = GetRect();
 716         m_fsIsMaximized = IsMaximized();
 717
 718         // decide which window style flags to turn off
 719         LONG newStyle = m_fsOldWindowStyle;
 720         LONG offFlags = 0;
 721
 722         if (style & wxFULLSCREEN_NOBORDER)
 723         {
 724             offFlags |= WS_BORDER;
 725 #ifndef __WXWINCE__
 726             offFlags |= WS_THICKFRAME;
 727 #endif
 728         }
 729         if (style & wxFULLSCREEN_NOCAPTION)
 730             offFlags |= WS_CAPTION | WS_SYSMENU;
 731
 732         newStyle &= ~offFlags;
 733
 734         // change our window style to be compatible with full-screen mode
 735         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
 736
 737         wxRect rect;
 738 #if wxUSE_DISPLAY
 739         // resize to the size of the display containing us
 740         int dpy = wxDisplay::GetFromWindow(this);
 741         if ( dpy != wxNOT_FOUND )
 742         {
 743             rect = wxDisplay(dpy).GetGeometry();
 744         }
 745         else // fall back to the main desktop
 746 #else // wxUSE_DISPLAY
 747         {
 748             // resize to the size of the desktop
 749             wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
 750 #ifdef __WXWINCE__
 751             // FIXME: size of the bottom menu (toolbar)
 752             // should be taken in account
 753             rect.height += rect.y;
 754             rect.y       = 0;
 755 #endif
 756         }
 757 #endif // wxUSE_DISPLAY
 758
 759         SetSize(rect);
 760
 761         // now flush the window style cache and actually go full-screen
 762         long flags = SWP_FRAMECHANGED;
 763
 764         // showing the frame full screen should also show it if it's still
 765         // hidden
 766         if ( !IsShown() )
 767         {
 768             // don't call wxWindow version to avoid flicker from calling
 769             // ::ShowWindow() -- we're going to show the window at the correct
 770             // location directly below -- but do call the wxWindowBase version
 771             // to sync the internal m_isShown flag
 772             wxWindowBase::Show();
 773
 774             flags |= SWP_SHOWWINDOW;
 775         }
 776
 777         SetWindowPos(GetHwnd(), HWND_TOP,
 778                      rect.x, rect.y, rect.width, rect.height,
 779                      flags);
 780
 781 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 782         ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
 783 #endif
 784
 785         // finally send an event allowing the window to relayout itself &c
 786         wxSizeEvent event(rect.GetSize(), GetId());
 787         GetEventHandler()->ProcessEvent(event);
 788     }
 789     else // stop showing full screen
 790     {
 791 #if !defined(__HANDHELDPC__) && (defined(__WXWINCE__) && (_WIN32_WCE < 400))
 792         ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
 793 #endif
 794         Maximize(m_fsIsMaximized);
 795         SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
 796         SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 797             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 798     }
 799
 800     return true;
 801 }
 802
 803 // ----------------------------------------------------------------------------
 804 // wxTopLevelWindowMSW misc
 805 // ----------------------------------------------------------------------------
 806
 807 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 808 {
 809     SetIcons( wxIconBundle( icon ) );
 810 }
 811
 812 void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 813 {
 814     wxTopLevelWindowBase::SetIcons(icons);
 815
 816 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 817     const wxIcon& sml = icons.GetIcon( wxSize( 16, 16 ) );
 818     if( sml.Ok() && sml.GetWidth() == 16 && sml.GetHeight() == 16 )
 819     {
 820         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_SMALL,
 821                        (LPARAM)GetHiconOf(sml) );
 822     }
 823
 824     const wxIcon& big = icons.GetIcon( wxSize( 32, 32 ) );
 825     if( big.Ok() && big.GetWidth() == 32 && big.GetHeight() == 32 )
 826     {
 827         ::SendMessage( GetHwndOf( this ), WM_SETICON, ICON_BIG,
 828                        (LPARAM)GetHiconOf(big) );
 829     }
 830 #endif // __WIN95__
 831 }
 832
 833 bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
 834 {
 835 #if !defined(__WXMICROWIN__)
 836     // get system (a.k.a. window) menu
 837     HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
 838     if ( !hmenu )
 839     {
 840         // no system menu at all -- ok if we want to remove the close button
 841         // anyhow, but bad if we want to show it
 842         return !enable;
 843     }
 844
 845     // enabling/disabling the close item from it also automatically
 846     // disables/enables the close title bar button
 847     if ( ::EnableMenuItem(hmenu, SC_CLOSE,
 848                           MF_BYCOMMAND |
 849                           (enable ? MF_ENABLED : MF_GRAYED)) == -1 )
 850     {
 851         wxLogLastError(_T("EnableMenuItem(SC_CLOSE)"));
 852
 853         return false;
 854     }
 855 #ifndef __WXWINCE__
 856     // update appearance immediately
 857     if ( !::DrawMenuBar(GetHwnd()) )
 858     {
 859         wxLogLastError(_T("DrawMenuBar"));
 860     }
 861 #endif
 862 #endif // !__WXMICROWIN__
 863
 864     return true;
 865 }
 866
 867 #ifndef __WXWINCE__
 868
 869 bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
 870 {
 871     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
 872                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 873
 874     // The empty region signifies that the shape should be removed from the
 875     // window.
 876     if ( region.IsEmpty() )
 877     {
 878         if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
 879         {
 880             wxLogLastError(_T("SetWindowRgn"));
 881             return false;
 882         }
 883         return true;
 884     }
 885
 886     // Windows takes ownership of the region, so
 887     // we'll have to make a copy of the region to give to it.
 888     DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
 889     RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
 890     ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
 891     HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
 892     delete[] (char*) rgnData;
 893
 894     // SetWindowRgn expects the region to be in coordinants
 895     // relative to the window, not the client area.  Figure
 896     // out the offset, if any.
 897     RECT rect;
 898     DWORD dwStyle =   ::GetWindowLong(GetHwnd(), GWL_STYLE);
 899     DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
 900     ::GetClientRect(GetHwnd(), &rect);
 901     ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
 902     ::OffsetRgn(hrgn, -rect.left, -rect.top);
 903
 904     // Now call the shape API with the new region.
 905     if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
 906     {
 907         wxLogLastError(_T("SetWindowRgn"));
 908         return false;
 909     }
 910     return true;
 911 }
 912
 913 #endif // !__WXWINCE__
 914
 915 void wxTopLevelWindowMSW::RequestUserAttention(int flags)
 916 {
 917     // check if we can use FlashWindowEx(): unfortunately an explicit test for
 918     // FLASHW_STOP, for example, doesn't work because MSVC6 headers do #define
 919     // it but don't provide FlashWindowEx() declaration
 920 #if (WINVER >= 0x0500 && (defined FLASHW_STOP))
 921     // available in the headers, check if it is supported by the system
 922     typedef BOOL (WINAPI *FlashWindowEx_t)(FLASHWINFO *pfwi);
 923     FlashWindowEx_t s_pfnFlashWindowEx = NULL;
 924     if ( !s_pfnFlashWindowEx )
 925     {
 926         wxDynamicLibrary dllUser32(_T("user32.dll"));
 927         s_pfnFlashWindowEx = (FlashWindowEx_t)
 928                                 dllUser32.GetSymbol(_T("FlashWindowEx"));
 929
 930         // we can safely unload user32.dll here, it's goign to remain loaded as
 931         // long as the program is running anyhow
 932     }
 933
 934     if ( s_pfnFlashWindowEx )
 935     {
 936         WinStruct<FLASHWINFO> fwi;
 937         fwi.hwnd = GetHwnd();
 938         fwi.dwFlags = FLASHW_ALL;
 939         if ( flags & wxUSER_ATTENTION_INFO )
 940         {
 941             // just flash a few times
 942             fwi.uCount = 3;
 943         }
 944         else // wxUSER_ATTENTION_ERROR
 945         {
 946             // flash until the user notices it
 947             fwi.dwFlags |= FLASHW_TIMERNOFG;
 948         }
 949
 950         s_pfnFlashWindowEx(&fwi);
 951     }
 952     else // FlashWindowEx() not available
 953 #endif // FlashWindowEx() defined
 954     {
 955         wxUnusedVar(flags);
 956 #ifndef __WXWINCE__
 957         ::FlashWindow(GetHwnd(), TRUE);
 958 #endif // __WXWINCE__
 959     }
 960 }
 961
 962 // ----------------------------------------------------------------------------
 963 // wxTopLevelWindow event handling
 964 // ----------------------------------------------------------------------------
 965
 966 // Default activation behaviour - set the focus for the first child
 967 // subwindow found.
 968 void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
 969 {
 970     if ( event.GetActive() )
 971     {
 972         // restore focus to the child which was last focused unless we already
 973         // have it
 974         wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
 975
 976         wxWindow *winFocus = FindFocus();
 977         if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
 978         {
 979             wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 980                                                 : NULL;
 981             if ( !parent )
 982             {
 983                 parent = this;
 984             }
 985
 986             wxSetFocusToChild(parent, &m_winLastFocused);
 987         }
 988     }
 989     else // deactivating
 990     {
 991         // remember the last focused child if it is our child
 992         m_winLastFocused = FindFocus();
 993
 994         if ( m_winLastFocused )
 995         {
 996             // let it know that it doesn't have focus any more
 997             m_winLastFocused->HandleKillFocus((WXHWND)NULL);
 998
 999             // and don't remember it if it's a child from some other frame
1000             if ( wxGetTopLevelParent(m_winLastFocused) != this )
1001             {
1002                 m_winLastFocused = NULL;
1003             }
1004         }
1005
1006         wxLogTrace(_T("focus"),
1007                    _T("wxTLW %08x deactivated, last focused: %08x."),
1008                    (int) m_hWnd,
1009                    (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
1010                                            : NULL));
1011
1012         event.Skip();
1013     }
1014 }
1015
1016 // the DialogProc for all wxWidgets dialogs
1017 LONG APIENTRY _EXPORT
1018 wxDlgProc(HWND hDlg,
1019           UINT message,
1020           WPARAM WXUNUSED(wParam),
1021           LPARAM WXUNUSED(lParam))
1022 {
1023     if ( message == WM_INITDIALOG )
1024     {
1025         // under CE, add a "Ok" button in the dialog title bar and make it full
1026         // screen
1027         //
1028         // VZ: we should probably allow for overriding this, e.g. by including
1029         //     MAXIMIZED flag in the dialog style by default and doing this
1030         //     only if it is present...
1031
1032         // Standard SDK doesn't have aygshell.dll: see
1033         // include/wx/msw/wince/libraries.h
1034 #if defined(__WXWINCE__) && !defined(__WINCE_STANDARDSDK__) && !defined(__HANDHELDPC__)
1035         SHINITDLGINFO shidi;
1036         shidi.dwMask = SHIDIM_FLAGS;
1037         shidi.dwFlags = SHIDIF_SIZEDLGFULLSCREEN
1038 #ifndef __SMARTPHONE__
1039                         | SHIDIF_DONEBUTTON
1040 #endif
1041                         ;
1042         shidi.hDlg = hDlg;
1043         SHInitDialog( &shidi );
1044 #else // no SHInitDialog()
1045         wxUnusedVar(hDlg);
1046 #endif
1047     }
1048
1049     // for almost all messages, returning FALSE means that we didn't process
1050     // the message
1051     //
1052     // for WM_INITDIALOG, returning TRUE tells system to set focus to
1053     // the first control in the dialog box, but as we set the focus
1054     // ourselves, we return FALSE for it as well
1055     return FALSE;
1056 }
1057
1058 // ============================================================================
1059 // wxTLWHiddenParentModule implementation
1060 // ============================================================================
1061
1062 HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
1063
1064 const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
1065
1066 bool wxTLWHiddenParentModule::OnInit()
1067 {
1068     ms_hwnd = NULL;
1069     ms_className = NULL;
1070
1071     return true;
1072 }
1073
1074 void wxTLWHiddenParentModule::OnExit()
1075 {
1076     if ( ms_hwnd )
1077     {
1078         if ( !::DestroyWindow(ms_hwnd) )
1079         {
1080             wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
1081         }
1082
1083         ms_hwnd = NULL;
1084     }
1085
1086     if ( ms_className )
1087     {
1088         if ( !::UnregisterClass(ms_className, wxGetInstance()) )
1089         {
1090             wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
1091         }
1092
1093         ms_className = NULL;
1094     }
1095 }
1096
1097 /* static */
1098 HWND wxTLWHiddenParentModule::GetHWND()
1099 {
1100     if ( !ms_hwnd )
1101     {
1102         if ( !ms_className )
1103         {
1104             static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
1105
1106             WNDCLASS wndclass;
1107             wxZeroMemory(wndclass);
1108
1109             wndclass.lpfnWndProc   = DefWindowProc;
1110             wndclass.hInstance     = wxGetInstance();
1111             wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
1112
1113             if ( !::RegisterClass(&wndclass) )
1114             {
1115                 wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
1116             }
1117             else
1118             {
1119                 ms_className = HIDDEN_PARENT_CLASS;
1120             }
1121         }
1122
1123         ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
1124                                  (HMENU)NULL, wxGetInstance(), NULL);
1125         if ( !ms_hwnd )
1126         {
1127             wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
1128         }
1129     }
1130
1131     return ms_hwnd;
1132 }
1133
1134