src/msw/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "frame.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/setup.h"
  33     #include "wx/frame.h"
  34     #include "wx/menu.h"
  35     #include "wx/app.h"
  36     #include "wx/utils.h"
  37     #include "wx/dialog.h"
  38     #include "wx/settings.h"
  39     #include "wx/dcclient.h"
  40     #include "wx/mdi.h"
  41     #include "wx/panel.h"
  42 #endif // WX_PRECOMP
  43
  44 #include "wx/msw/private.h"
  45
  46 #if wxUSE_STATUSBAR
  47     #include "wx/statusbr.h"
  48     #include "wx/generic/statusbr.h"
  49 #endif // wxUSE_STATUSBAR
  50
  51 #if wxUSE_TOOLBAR
  52     #include "wx/toolbar.h"
  53 #endif // wxUSE_TOOLBAR
  54
  55 #include "wx/menuitem.h"
  56 #include "wx/log.h"
  57
  58 // ----------------------------------------------------------------------------
  59 // globals
  60 // ----------------------------------------------------------------------------
  61
  62 extern wxWindowList wxModelessWindows;
  63 extern wxList WXDLLEXPORT wxPendingDelete;
  64 extern const wxChar *wxFrameClassName;
  65 extern wxMenu *wxCurrentPopupMenu;
  66
  67 // ----------------------------------------------------------------------------
  68 // event tables
  69 // ----------------------------------------------------------------------------
  70
  71 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  72     EVT_ACTIVATE(wxFrame::OnActivate)
  73     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  74 END_EVENT_TABLE()
  75
  76 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  77
  78 // ============================================================================
  79 // implementation
  80 // ============================================================================
  81
  82 // ----------------------------------------------------------------------------
  83 // static class members
  84 // ----------------------------------------------------------------------------
  85
  86 #if wxUSE_NATIVE_STATUSBAR
  87     bool wxFrame::m_useNativeStatusBar = TRUE;
  88 #else
  89     bool wxFrame::m_useNativeStatusBar = FALSE;
  90 #endif
  91
  92 // ----------------------------------------------------------------------------
  93 // creation/destruction
  94 // ----------------------------------------------------------------------------
  95
  96 void wxFrame::Init()
  97 {
  98     m_iconized =
  99     m_maximizeOnShow = FALSE;
 100
 101 #if wxUSE_TOOLTIPS
 102     m_hwndToolTip = 0;
 103 #endif
 104
 105     // Data to save/restore when calling ShowFullScreen
 106     m_fsStyle = 0;
 107     m_fsOldWindowStyle = 0;
 108     m_fsStatusBarFields = 0;
 109     m_fsStatusBarHeight = 0;
 110     m_fsToolBarHeight = 0;
 111 //  m_fsMenu = 0;
 112     m_fsIsMaximized = FALSE;
 113     m_fsIsShowing = FALSE;
 114
 115     m_winLastFocused = (wxWindow *)NULL;
 116
 117     // unlike (almost?) all other windows, frames are created hidden
 118     m_isShown = FALSE;
 119 }
 120
 121 bool wxFrame::Create(wxWindow *parent,
 122                      wxWindowID id,
 123                      const wxString& title,
 124                      const wxPoint& pos,
 125                      const wxSize& size,
 126                      long style,
 127                      const wxString& name)
 128 {
 129   SetName(name);
 130   m_windowStyle = style;
 131   m_frameMenuBar = NULL;
 132   m_frameToolBar = NULL;
 133   m_frameStatusBar = NULL;
 134
 135   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 136
 137   if ( id > -1 )
 138     m_windowId = id;
 139   else
 140     m_windowId = (int)NewControlId();
 141
 142   if (parent) parent->AddChild(this);
 143
 144   int x = pos.x;
 145   int y = pos.y;
 146   int width = size.x;
 147   int height = size.y;
 148
 149   m_iconized = FALSE;
 150
 151   wxTopLevelWindows.Append(this);
 152
 153   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 154             x, y, width, height, style);
 155
 156   wxModelessWindows.Append(this);
 157
 158   return TRUE;
 159 }
 160
 161 wxFrame::~wxFrame()
 162 {
 163   m_isBeingDeleted = TRUE;
 164   wxTopLevelWindows.DeleteObject(this);
 165
 166   // the ~wxToolBar() code relies on the previous line to be executed before
 167   // this one, i.e. the frame should remove itself from wxTopLevelWindows
 168   // before destorying its toolbar
 169   DeleteAllBars();
 170
 171   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 172   {
 173     wxTheApp->SetTopWindow(NULL);
 174
 175     if (wxTheApp->GetExitOnFrameDelete())
 176     {
 177        PostQuitMessage(0);
 178     }
 179   }
 180
 181   wxModelessWindows.DeleteObject(this);
 182
 183   // For some reason, wxWindows can activate another task altogether
 184   // when a frame is destroyed after a modal dialog has been invoked.
 185   // Try to bring the parent to the top.
 186   // MT:Only do this if this frame is currently the active window, else weird
 187   // things start to happen
 188   if ( wxGetActiveWindow() == this )
 189   if (GetParent() && GetParent()->GetHWND())
 190     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 191 }
 192
 193 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 194 void wxFrame::DoGetClientSize(int *x, int *y) const
 195 {
 196   RECT rect;
 197   ::GetClientRect(GetHwnd(), &rect);
 198
 199 #if wxUSE_STATUSBAR
 200   if ( GetStatusBar() && GetStatusBar()->IsShown() )
 201   {
 202     int statusX, statusY;
 203     GetStatusBar()->GetClientSize(&statusX, &statusY);
 204     rect.bottom -= statusY;
 205   }
 206 #endif // wxUSE_STATUSBAR
 207
 208   wxPoint pt(GetClientAreaOrigin());
 209   rect.bottom -= pt.y;
 210   rect.right -= pt.x;
 211
 212   if ( x )
 213     *x = rect.right;
 214   if ( y )
 215     *y = rect.bottom;
 216 }
 217
 218 // Set the client size (i.e. leave the calculation of borders etc.
 219 // to wxWindows)
 220 void wxFrame::DoSetClientSize(int width, int height)
 221 {
 222     HWND hWnd = GetHwnd();
 223
 224     RECT rectClient;
 225     ::GetClientRect(hWnd, &rectClient);
 226
 227     RECT rectTotal;
 228     ::GetWindowRect(hWnd, &rectTotal);
 229
 230     // Find the difference between the entire window (title bar and all)
 231     // and the client area; add this to the new client size to move the
 232     // window
 233     width += rectTotal.right - rectTotal.left - rectClient.right;
 234     height += rectTotal.bottom - rectTotal.top - rectClient.bottom;
 235
 236 #if wxUSE_STATUSBAR
 237     wxStatusBar *statbar = GetStatusBar();
 238     if ( statbar && statbar->IsShown() )
 239     {
 240         // leave enough space for the status bar
 241         height += statbar->GetSize().y;
 242     }
 243 #endif // wxUSE_STATUSBAR
 244
 245     // note that this takes the toolbar into account
 246     wxPoint pt = GetClientAreaOrigin();
 247     width += pt.x;
 248     height += pt.y;
 249
 250     if ( !::MoveWindow(hWnd, rectTotal.left, rectTotal.top,
 251                        width, height, TRUE /* redraw */) )
 252     {
 253         wxLogLastError(_T("MoveWindow"));
 254     }
 255
 256     wxSizeEvent event(wxSize(width, height), m_windowId);
 257     event.SetEventObject(this);
 258     GetEventHandler()->ProcessEvent(event);
 259 }
 260
 261 void wxFrame::DoGetSize(int *width, int *height) const
 262 {
 263   RECT rect;
 264   GetWindowRect(GetHwnd(), &rect);
 265   *width = rect.right - rect.left;
 266   *height = rect.bottom - rect.top;
 267 }
 268
 269 void wxFrame::DoGetPosition(int *x, int *y) const
 270 {
 271   RECT rect;
 272   GetWindowRect(GetHwnd(), &rect);
 273   POINT point;
 274   point.x = rect.left;
 275   point.y = rect.top;
 276
 277   *x = point.x;
 278   *y = point.y;
 279 }
 280
 281 // ----------------------------------------------------------------------------
 282 // variations around ::ShowWindow()
 283 // ----------------------------------------------------------------------------
 284
 285 void wxFrame::DoShowWindow(int nShowCmd)
 286 {
 287     ::ShowWindow(GetHwnd(), nShowCmd);
 288
 289     m_iconized = nShowCmd == SW_MINIMIZE;
 290 }
 291
 292 bool wxFrame::Show(bool show)
 293 {
 294     // don't use wxWindow version as we want to call DoShowWindow()
 295     if ( !wxWindowBase::Show(show) )
 296         return FALSE;
 297
 298     int nShowCmd;
 299     if ( show )
 300     {
 301         if ( m_maximizeOnShow )
 302         {
 303             // show and maximize
 304             nShowCmd = SW_MAXIMIZE;
 305
 306             m_maximizeOnShow = FALSE;
 307         }
 308         else // just show
 309         {
 310             nShowCmd = SW_SHOW;
 311         }
 312     }
 313     else // hide
 314     {
 315         nShowCmd = SW_HIDE;
 316     }
 317
 318     DoShowWindow(nShowCmd);
 319
 320     if ( show )
 321     {
 322         ::BringWindowToTop(GetHwnd());
 323
 324         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 325         event.SetEventObject( this );
 326         GetEventHandler()->ProcessEvent(event);
 327     }
 328     else // hide
 329     {
 330         // Try to highlight the correct window (the parent)
 331         if ( GetParent() )
 332         {
 333             HWND hWndParent = GetHwndOf(GetParent());
 334             if (hWndParent)
 335                 ::BringWindowToTop(hWndParent);
 336         }
 337     }
 338
 339     return TRUE;
 340 }
 341
 342 void wxFrame::Iconize(bool iconize)
 343 {
 344     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 345 }
 346
 347 void wxFrame::Maximize(bool maximize)
 348 {
 349     if ( IsShown() )
 350     {
 351         // just maximize it directly
 352         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 353     }
 354     else // hidden
 355     {
 356         // we can't maximize the hidden frame because it shows it as well, so
 357         // just remember that we should do it later in this case
 358         m_maximizeOnShow = TRUE;
 359     }
 360 }
 361
 362 void wxFrame::Restore()
 363 {
 364     DoShowWindow(SW_RESTORE);
 365 }
 366
 367 bool wxFrame::IsIconized() const
 368 {
 369   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 370   return m_iconized;
 371 }
 372
 373 // Is it maximized?
 374 bool wxFrame::IsMaximized() const
 375 {
 376     return (::IsZoomed(GetHwnd()) != 0);
 377 }
 378
 379 void wxFrame::SetIcon(const wxIcon& icon)
 380 {
 381     wxFrameBase::SetIcon(icon);
 382
 383 #if defined(__WIN95__)
 384     if ( m_icon.Ok() )
 385     {
 386         SendMessage(GetHwnd(), WM_SETICON,
 387                     (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 388     }
 389 #endif // __WIN95__
 390 }
 391
 392 // generate an artificial resize event
 393 void wxFrame::SendSizeEvent()
 394 {
 395     RECT r;
 396 #ifdef __WIN16__
 397     ::GetWindowRect(GetHwnd(), &r);
 398 #else
 399     if ( !::GetWindowRect(GetHwnd(), &r) )
 400     {
 401         wxLogLastError(_T("GetWindowRect"));
 402     }
 403 #endif
 404
 405     if ( !m_iconized )
 406     {
 407         (void)::PostMessage(GetHwnd(), WM_SIZE,
 408                             IsMaximized() ? SIZE_MAXIMIZED : SIZE_RESTORED,
 409                             MAKELPARAM(r.right - r.left, r.bottom - r.top));
 410     }
 411 }
 412
 413 #if wxUSE_STATUSBAR
 414 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 415                                         long style,
 416                                         wxWindowID id,
 417                                         const wxString& name)
 418 {
 419     wxStatusBar *statusBar = NULL;
 420
 421 #if wxUSE_NATIVE_STATUSBAR
 422     if ( !UsesNativeStatusBar() )
 423     {
 424         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 425     }
 426     else
 427 #endif
 428     {
 429         statusBar = new wxStatusBar(this, id, style, name);
 430     }
 431
 432     // Set the height according to the font and the border size
 433     wxClientDC dc(statusBar);
 434     dc.SetFont(statusBar->GetFont());
 435
 436     wxCoord y;
 437     dc.GetTextExtent(_T("X"), NULL, &y );
 438
 439     int height = (int)( (11*y)/10 + 2*statusBar->GetBorderY());
 440
 441     statusBar->SetSize(-1, -1, -1, height);
 442
 443     statusBar->SetFieldsCount(number);
 444
 445     return statusBar;
 446 }
 447
 448 void wxFrame::PositionStatusBar()
 449 {
 450     if ( !m_frameStatusBar )
 451         return;
 452
 453     int w, h;
 454     GetClientSize(&w, &h);
 455     int sw, sh;
 456     m_frameStatusBar->GetSize(&sw, &sh);
 457
 458     // Since we wish the status bar to be directly under the client area,
 459     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 460     m_frameStatusBar->SetSize(0, h, w, sh);
 461 }
 462 #endif // wxUSE_STATUSBAR
 463
 464 void wxFrame::DetachMenuBar()
 465 {
 466     if ( m_frameMenuBar )
 467     {
 468         m_frameMenuBar->Detach();
 469         m_frameMenuBar = NULL;
 470     }
 471 }
 472
 473 void wxFrame::SetMenuBar(wxMenuBar *menubar)
 474 {
 475     if ( !menubar )
 476     {
 477         DetachMenuBar();
 478
 479         // actually remove the menu from the frame
 480         m_hMenu = (WXHMENU)0;
 481         InternalSetMenuBar();
 482     }
 483     else // set new non NULL menu bar
 484     {
 485         m_frameMenuBar = NULL;
 486
 487         // Can set a menubar several times.
 488         // TODO: how to prevent a memory leak if you have a currently-unattached
 489         // menubar? wxWindows assumes that the frame will delete the menu (otherwise
 490         // there are problems for MDI).
 491         if ( menubar->GetHMenu() )
 492         {
 493             m_hMenu = menubar->GetHMenu();
 494         }
 495         else
 496         {
 497             menubar->Detach();
 498
 499             m_hMenu = menubar->Create();
 500
 501             if ( !m_hMenu )
 502                 return;
 503         }
 504
 505         InternalSetMenuBar();
 506
 507         m_frameMenuBar = menubar;
 508         menubar->Attach(this);
 509     }
 510 }
 511
 512 void wxFrame::InternalSetMenuBar()
 513 {
 514     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 515     {
 516         wxLogLastError(wxT("SetMenu"));
 517     }
 518 }
 519
 520 // Responds to colour changes, and passes event on to children.
 521 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 522 {
 523     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 524     Refresh();
 525
 526     if ( m_frameStatusBar )
 527     {
 528         wxSysColourChangedEvent event2;
 529         event2.SetEventObject( m_frameStatusBar );
 530         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 531     }
 532
 533     // Propagate the event to the non-top-level children
 534     wxWindow::OnSysColourChanged(event);
 535 }
 536
 537 // Pass TRUE to show full screen, FALSE to restore.
 538 bool wxFrame::ShowFullScreen(bool show, long style)
 539 {
 540     if (show)
 541     {
 542         if (IsFullScreen())
 543             return FALSE;
 544
 545         m_fsIsShowing = TRUE;
 546         m_fsStyle = style;
 547
 548         wxToolBar *theToolBar = GetToolBar();
 549         wxStatusBar *theStatusBar = GetStatusBar();
 550
 551         int dummyWidth;
 552
 553         if (theToolBar)
 554             theToolBar->GetSize(&dummyWidth, &m_fsToolBarHeight);
 555         if (theStatusBar)
 556             theStatusBar->GetSize(&dummyWidth, &m_fsStatusBarHeight);
 557
 558         // zap the toolbar, menubar, and statusbar
 559
 560         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 561         {
 562             theToolBar->SetSize(-1,0);
 563             theToolBar->Show(FALSE);
 564         }
 565
 566         if (style & wxFULLSCREEN_NOMENUBAR)
 567             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 568
 569         // Save the number of fields in the statusbar
 570         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 571         {
 572             //m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 573             //SetStatusBar((wxStatusBar*) NULL);
 574             //delete theStatusBar;
 575             theStatusBar->Show(FALSE);
 576         }
 577         else
 578             m_fsStatusBarFields = 0;
 579
 580         // zap the frame borders
 581
 582         // save the 'normal' window style
 583         m_fsOldWindowStyle = GetWindowLong((HWND)GetHWND(), GWL_STYLE);
 584
 585         // save the old position, width & height, maximize state
 586         m_fsOldSize = GetRect();
 587         m_fsIsMaximized = IsMaximized();
 588
 589         // decide which window style flags to turn off
 590         LONG newStyle = m_fsOldWindowStyle;
 591         LONG offFlags = 0;
 592
 593         if (style & wxFULLSCREEN_NOBORDER)
 594             offFlags |= WS_BORDER;
 595         if (style & wxFULLSCREEN_NOCAPTION)
 596             offFlags |= (WS_CAPTION | WS_SYSMENU);
 597
 598         newStyle &= (~offFlags);
 599
 600         // change our window style to be compatible with full-screen mode
 601         SetWindowLong((HWND)GetHWND(), GWL_STYLE, newStyle);
 602
 603         // resize to the size of the desktop
 604         int width, height;
 605
 606         RECT rect;
 607         ::GetWindowRect(GetDesktopWindow(), &rect);
 608         width = rect.right - rect.left;
 609         height = rect.bottom - rect.top;
 610
 611         SetSize(width, height);
 612
 613         // now flush the window style cache and actually go full-screen
 614         SetWindowPos((HWND)GetHWND(), HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
 615
 616         wxSizeEvent event(wxSize(width, height), GetId());
 617         GetEventHandler()->ProcessEvent(event);
 618
 619         return TRUE;
 620     }
 621     else
 622     {
 623         if (!IsFullScreen())
 624             return FALSE;
 625
 626         m_fsIsShowing = FALSE;
 627
 628         wxToolBar *theToolBar = GetToolBar();
 629
 630         // restore the toolbar, menubar, and statusbar
 631         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 632         {
 633             theToolBar->SetSize(-1, m_fsToolBarHeight);
 634             theToolBar->Show(TRUE);
 635         }
 636
 637         if ((m_fsStyle & wxFULLSCREEN_NOSTATUSBAR)) // && (m_fsStatusBarFields > 0))
 638         {
 639             //CreateStatusBar(m_fsStatusBarFields);
 640             if (GetStatusBar())
 641             {
 642                 GetStatusBar()->Show(TRUE);
 643                 PositionStatusBar();
 644             }
 645         }
 646
 647         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 648             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 649
 650         Maximize(m_fsIsMaximized);
 651         SetWindowLong((HWND)GetHWND(),GWL_STYLE, m_fsOldWindowStyle);
 652         SetWindowPos((HWND)GetHWND(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 653             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 654
 655         return TRUE;
 656     }
 657 }
 658
 659 /*
 660  * Frame window
 661  *
 662  */
 663
 664 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 665                    int x, int y, int width, int height, long style)
 666
 667 {
 668   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 669
 670   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 671   // could be the culprit. But without it, you can get a lot of flicker.
 672
 673   DWORD msflags = 0;
 674   if ( style & wxCAPTION )
 675   {
 676     if ( style & wxFRAME_TOOL_WINDOW )
 677         msflags |= WS_POPUPWINDOW;
 678     else
 679         msflags |= WS_OVERLAPPED;
 680   }
 681   else
 682   {
 683     msflags |= WS_POPUP;
 684   }
 685
 686   if (style & wxMINIMIZE_BOX)
 687     msflags |= WS_MINIMIZEBOX;
 688   if (style & wxMAXIMIZE_BOX)
 689     msflags |= WS_MAXIMIZEBOX;
 690   if (style & wxTHICK_FRAME)
 691     msflags |= WS_THICKFRAME;
 692   if (style & wxSYSTEM_MENU)
 693     msflags |= WS_SYSMENU;
 694   if ( style & wxMINIMIZE )
 695     msflags |= WS_MINIMIZE;
 696   if (style & wxMAXIMIZE)
 697     msflags |= WS_MAXIMIZE;
 698   if (style & wxCAPTION)
 699     msflags |= WS_CAPTION;
 700   if (style & wxCLIP_CHILDREN)
 701     msflags |= WS_CLIPCHILDREN;
 702
 703   // Keep this in wxFrame because it saves recoding this function
 704   // in wxTinyFrame
 705 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 706   if (style & wxTINY_CAPTION_VERT)
 707     msflags |= IBS_VERTCAPTION;
 708   if (style & wxTINY_CAPTION_HORIZ)
 709     msflags |= IBS_HORZCAPTION;
 710 #else
 711   if (style & wxTINY_CAPTION_VERT)
 712     msflags |= WS_CAPTION;
 713   if (style & wxTINY_CAPTION_HORIZ)
 714     msflags |= WS_CAPTION;
 715 #endif
 716   if ((style & wxTHICK_FRAME) == 0)
 717     msflags |= WS_BORDER;
 718
 719   WXDWORD extendedStyle = MakeExtendedStyle(style);
 720
 721   // make all frames appear in the win9x shell taskbar unless
 722   // wxFRAME_TOOL_WINDOW or wxFRAME_NO_TASKBAR is given - without giving them
 723   // WS_EX_APPWINDOW style, the child (i.e. owned) frames wouldn't appear in it
 724 #if !defined(__WIN16__) && !defined(__SC__)
 725   if ( (style & wxFRAME_TOOL_WINDOW) ||
 726        (style & wxFRAME_NO_TASKBAR) )
 727       extendedStyle |= WS_EX_TOOLWINDOW;
 728   else if ( !(style & wxFRAME_NO_TASKBAR) )
 729       extendedStyle |= WS_EX_APPWINDOW;
 730 #endif
 731
 732   if (style & wxSTAY_ON_TOP)
 733     extendedStyle |= WS_EX_TOPMOST;
 734
 735 #ifndef __WIN16__
 736   if (m_exStyle & wxFRAME_EX_CONTEXTHELP)
 737     extendedStyle |= WS_EX_CONTEXTHELP;
 738 #endif
 739
 740   m_iconized = FALSE;
 741   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 742          msflags, NULL, extendedStyle) )
 743          return FALSE;
 744
 745   // Seems to be necessary if we use WS_POPUP
 746   // style instead of WS_OVERLAPPED
 747   if (width > -1 && height > -1)
 748     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 749
 750   return TRUE;
 751 }
 752
 753 // Default activation behaviour - set the focus for the first child
 754 // subwindow found.
 755 void wxFrame::OnActivate(wxActivateEvent& event)
 756 {
 757     if ( event.GetActive() )
 758     {
 759         // restore focus to the child which was last focused
 760         wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 761
 762         wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
 763                                             : NULL;
 764         if ( !parent )
 765         {
 766             parent = this;
 767         }
 768
 769         wxSetFocusToChild(parent, &m_winLastFocused);
 770     }
 771     else // deactivating
 772     {
 773         // remember the last focused child if it is our child
 774         m_winLastFocused = FindFocus();
 775
 776         // so we NULL it out if it's a child from some other frame
 777         wxWindow *win = m_winLastFocused;
 778         while ( win )
 779         {
 780             if ( win->IsTopLevel() )
 781             {
 782                 if ( win != this )
 783                 {
 784                     m_winLastFocused = NULL;
 785                 }
 786
 787                 break;
 788             }
 789
 790             win = win->GetParent();
 791         }
 792
 793         wxLogTrace(_T("focus"),
 794                    _T("wxFrame %08x deactivated, last focused: %08x."),
 795                    m_hWnd,
 796                    m_winLastFocused ? GetHwndOf(m_winLastFocused)
 797                                     : NULL);
 798
 799         event.Skip();
 800     }
 801 }
 802
 803 // ----------------------------------------------------------------------------
 804 // tool/status bar stuff
 805 // ----------------------------------------------------------------------------
 806
 807 #if wxUSE_TOOLBAR
 808
 809 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 810 {
 811     if ( wxFrameBase::CreateToolBar(style, id, name) )
 812     {
 813         PositionToolBar();
 814     }
 815
 816     return m_frameToolBar;
 817 }
 818
 819 void wxFrame::PositionToolBar()
 820 {
 821     RECT rect;
 822     ::GetClientRect(GetHwnd(), &rect);
 823
 824 #if wxUSE_STATUSBAR
 825     if ( GetStatusBar() )
 826     {
 827         int statusX, statusY;
 828         GetStatusBar()->GetClientSize(&statusX, &statusY);
 829         rect.bottom -= statusY;
 830     }
 831 #endif // wxUSE_STATUSBAR
 832
 833     if ( GetToolBar() && GetToolBar()->IsShown() )
 834     {
 835         int tw, th;
 836         GetToolBar()->GetSize(&tw, &th);
 837
 838         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 839         {
 840             th = rect.bottom;
 841         }
 842         else
 843         {
 844             tw = rect.right;
 845         }
 846
 847         // Use the 'real' MSW position here
 848         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 849     }
 850 }
 851 #endif // wxUSE_TOOLBAR
 852
 853 // ----------------------------------------------------------------------------
 854 // frame state (iconized/maximized/...)
 855 // ----------------------------------------------------------------------------
 856
 857 // propagate our state change to all child frames: this allows us to emulate X
 858 // Windows behaviour where child frames float independently of the parent one
 859 // on the desktop, but are iconized/restored with it
 860 void wxFrame::IconizeChildFrames(bool bIconize)
 861 {
 862     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 863           node;
 864           node = node->GetNext() )
 865     {
 866         wxWindow *win = node->GetData();
 867
 868         // iconizing the frames with this style under Win95 shell puts them at
 869         // the bottom of the screen (as the MDI children) instead of making
 870         // them appear in the taskbar because they are, by virtue of this
 871         // style, not managed by the taskbar - instead leave Windows take care
 872         // of them
 873 #ifdef __WIN95__
 874         if ( win->GetWindowStyle() & wxFRAME_TOOL_WINDOW )
 875             continue;
 876 #endif // Win95
 877
 878         // the child MDI frames are a special case and should not be touched by
 879         // the parent frame - instead, they are managed by the user
 880         wxFrame *frame = wxDynamicCast(win, wxFrame);
 881         if ( frame && !frame->IsMDIChild() )
 882         {
 883             frame->Iconize(bIconize);
 884         }
 885     }
 886 }
 887
 888 // ===========================================================================
 889 // message processing
 890 // ===========================================================================
 891
 892 // ---------------------------------------------------------------------------
 893 // preprocessing
 894 // ---------------------------------------------------------------------------
 895
 896 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 897 {
 898     if ( wxWindow::MSWTranslateMessage(pMsg) )
 899         return TRUE;
 900
 901     // try the menu bar accels
 902     wxMenuBar *menuBar = GetMenuBar();
 903     if ( !menuBar )
 904         return FALSE;
 905
 906     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 907     return acceleratorTable.Translate(this, pMsg);
 908 }
 909
 910 // ---------------------------------------------------------------------------
 911 // our private (non virtual) message handlers
 912 // ---------------------------------------------------------------------------
 913
 914 bool wxFrame::HandlePaint()
 915 {
 916     RECT rect;
 917     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 918     {
 919         if ( m_iconized )
 920         {
 921             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 922                                       : (HICON)m_defaultIcon;
 923
 924             // Hold a pointer to the dc so long as the OnPaint() message
 925             // is being processed
 926             PAINTSTRUCT ps;
 927             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 928
 929             // Erase background before painting or we get white background
 930             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 931
 932             if ( hIcon )
 933             {
 934                 RECT rect;
 935                 ::GetClientRect(GetHwnd(), &rect);
 936
 937                 // FIXME: why hardcoded?
 938                 static const int icon_width = 32;
 939                 static const int icon_height = 32;
 940
 941                 int icon_x = (int)((rect.right - icon_width)/2);
 942                 int icon_y = (int)((rect.bottom - icon_height)/2);
 943
 944                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 945             }
 946
 947             ::EndPaint(GetHwnd(), &ps);
 948
 949             return TRUE;
 950         }
 951         else
 952         {
 953             return wxWindow::HandlePaint();
 954         }
 955     }
 956     else
 957     {
 958         // nothing to paint - processed
 959         return TRUE;
 960     }
 961 }
 962
 963 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 964 {
 965     bool processed = FALSE;
 966
 967     switch ( id )
 968     {
 969         case SIZENORMAL:
 970             // only do it it if we were iconized before, otherwise resizing the
 971             // parent frame has a curious side effect of bringing it under it's
 972             // children
 973             if ( !m_iconized )
 974                 break;
 975
 976             // restore all child frames too
 977             IconizeChildFrames(FALSE);
 978
 979             // fall through
 980
 981         case SIZEFULLSCREEN:
 982             m_iconized = FALSE;
 983             break;
 984
 985         case SIZEICONIC:
 986             // iconize all child frames too
 987             IconizeChildFrames(TRUE);
 988
 989             m_iconized = TRUE;
 990             break;
 991     }
 992
 993     if ( !m_iconized )
 994     {
 995         PositionStatusBar();
 996         PositionToolBar();
 997
 998         wxSizeEvent event(wxSize(x, y), m_windowId);
 999         event.SetEventObject( this );
1000         processed = GetEventHandler()->ProcessEvent(event);
1001     }
1002
1003     return processed;
1004 }
1005
1006 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
1007 {
1008     if ( control )
1009     {
1010         // In case it's e.g. a toolbar.
1011         wxWindow *win = wxFindWinFromHandle(control);
1012         if ( win )
1013             return win->MSWCommand(cmd, id);
1014     }
1015
1016     // handle here commands from menus and accelerators
1017     if ( cmd == 0 || cmd == 1 )
1018     {
1019         if ( wxCurrentPopupMenu )
1020         {
1021             wxMenu *popupMenu = wxCurrentPopupMenu;
1022             wxCurrentPopupMenu = NULL;
1023
1024             return popupMenu->MSWCommand(cmd, id);
1025         }
1026
1027         if ( ProcessCommand(id) )
1028         {
1029             return TRUE;
1030         }
1031     }
1032
1033     return FALSE;
1034 }
1035
1036 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
1037 {
1038     int item;
1039     if ( flags == 0xFFFF && hMenu == 0 )
1040     {
1041         // menu was removed from screen
1042         item = -1;
1043     }
1044     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
1045     {
1046         item = nItem;
1047     }
1048     else
1049     {
1050         // don't give hints for separators (doesn't make sense) nor for the
1051         // items opening popup menus (they don't have them anyhow) but do clear
1052         // the status line - otherwise, we would be left with the help message
1053         // for the previous item which doesn't apply any more
1054         wxStatusBar *statbar = GetStatusBar();
1055         if ( statbar )
1056         {
1057             statbar->SetStatusText(wxEmptyString);
1058         }
1059
1060         return FALSE;
1061     }
1062
1063     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
1064     event.SetEventObject( this );
1065
1066     return GetEventHandler()->ProcessEvent(event);
1067 }
1068
1069 // ---------------------------------------------------------------------------
1070 // the window proc for wxFrame
1071 // ---------------------------------------------------------------------------
1072
1073 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
1074 {
1075     long rc = 0;
1076     bool processed = FALSE;
1077
1078     switch ( message )
1079     {
1080         case WM_CLOSE:
1081             // if we can't close, tell the system that we processed the
1082             // message - otherwise it would close us
1083             processed = !Close();
1084             break;
1085
1086         case WM_COMMAND:
1087             {
1088                 WORD id, cmd;
1089                 WXHWND hwnd;
1090                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
1091                               &id, &hwnd, &cmd);
1092
1093                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
1094             }
1095             break;
1096
1097         case WM_MENUSELECT:
1098             {
1099                 WXWORD item, flags;
1100                 WXHMENU hmenu;
1101                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
1102
1103                 processed = HandleMenuSelect(item, flags, hmenu);
1104             }
1105             break;
1106
1107         case WM_PAINT:
1108             processed = HandlePaint();
1109             break;
1110
1111         case WM_QUERYDRAGICON:
1112             {
1113                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
1114                                           : (HICON)(m_defaultIcon);
1115                 rc = (long)hIcon;
1116                 processed = rc != 0;
1117             }
1118             break;
1119
1120         case WM_SIZE:
1121             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1122             break;
1123     }
1124
1125     if ( !processed )
1126         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
1127
1128     return rc;
1129 }
1130