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 #endif // WX_PRECOMP
  42
  43 #include "wx/msw/private.h"
  44
  45 #if wxUSE_STATUSBAR
  46     #include "wx/statusbr.h"
  47     #include "wx/generic/statusbr.h"
  48 #endif // wxUSE_STATUSBAR
  49
  50 #if wxUSE_TOOLBAR
  51     #include "wx/toolbar.h"
  52 #endif // wxUSE_TOOLBAR
  53
  54 #include "wx/menuitem.h"
  55 #include "wx/log.h"
  56
  57 // ----------------------------------------------------------------------------
  58 // globals
  59 // ----------------------------------------------------------------------------
  60
  61 extern wxWindowList wxModelessWindows;
  62 extern wxList WXDLLEXPORT wxPendingDelete;
  63 extern const wxChar *wxFrameClassName;
  64 extern wxMenu *wxCurrentPopupMenu;
  65
  66 // ----------------------------------------------------------------------------
  67 // event tables
  68 // ----------------------------------------------------------------------------
  69
  70 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  71     EVT_ACTIVATE(wxFrame::OnActivate)
  72     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  73 END_EVENT_TABLE()
  74
  75 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // static class members
  83 // ----------------------------------------------------------------------------
  84
  85 #if wxUSE_NATIVE_STATUSBAR
  86     bool wxFrame::m_useNativeStatusBar = TRUE;
  87 #else
  88     bool wxFrame::m_useNativeStatusBar = FALSE;
  89 #endif
  90
  91 // ----------------------------------------------------------------------------
  92 // creation/destruction
  93 // ----------------------------------------------------------------------------
  94
  95 void wxFrame::Init()
  96 {
  97     m_iconized = FALSE;
  98
  99 #if wxUSE_TOOLTIPS
 100     m_hwndToolTip = 0;
 101 #endif
 102
 103     // Data to save/restore when calling ShowFullScreen
 104     m_fsStyle = 0;
 105     m_fsOldWindowStyle = 0;
 106     m_fsStatusBarFields = 0;
 107     m_fsStatusBarHeight = 0;
 108     m_fsToolBarHeight = 0;
 109 //    m_fsMenu = 0;
 110     m_fsIsMaximized = FALSE;
 111     m_fsIsShowing = FALSE;
 112 }
 113
 114 bool wxFrame::Create(wxWindow *parent,
 115                      wxWindowID id,
 116                      const wxString& title,
 117                      const wxPoint& pos,
 118                      const wxSize& size,
 119                      long style,
 120                      const wxString& name)
 121 {
 122   SetName(name);
 123   m_windowStyle = style;
 124   m_frameMenuBar = NULL;
 125   m_frameToolBar = NULL;
 126   m_frameStatusBar = NULL;
 127
 128   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 129
 130   if ( id > -1 )
 131     m_windowId = id;
 132   else
 133     m_windowId = (int)NewControlId();
 134
 135   if (parent) parent->AddChild(this);
 136
 137   int x = pos.x;
 138   int y = pos.y;
 139   int width = size.x;
 140   int height = size.y;
 141
 142   m_iconized = FALSE;
 143
 144   // we pass NULL as parent to MSWCreate because frames with parents behave
 145   // very strangely under Win95 shell
 146   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 147   // with this style.
 148   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 149     parent = NULL;
 150
 151   if (!parent)
 152     wxTopLevelWindows.Append(this);
 153
 154   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 155             x, y, width, height, style);
 156
 157   wxModelessWindows.Append(this);
 158   return TRUE;
 159 }
 160
 161 wxFrame::~wxFrame()
 162 {
 163   m_isBeingDeleted = TRUE;
 164   wxTopLevelWindows.DeleteObject(this);
 165
 166   DeleteAllBars();
 167
 168   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 169   {
 170     wxTheApp->SetTopWindow(NULL);
 171
 172     if (wxTheApp->GetExitOnFrameDelete())
 173     {
 174        PostQuitMessage(0);
 175     }
 176   }
 177
 178   wxModelessWindows.DeleteObject(this);
 179
 180   // For some reason, wxWindows can activate another task altogether
 181   // when a frame is destroyed after a modal dialog has been invoked.
 182   // Try to bring the parent to the top.
 183   // MT:Only do this if this frame is currently the active window, else weird
 184   // things start to happen
 185   if ( wxGetActiveWindow() == this )
 186   if (GetParent() && GetParent()->GetHWND())
 187     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 188 }
 189
 190 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 191 void wxFrame::DoGetClientSize(int *x, int *y) const
 192 {
 193   RECT rect;
 194   ::GetClientRect(GetHwnd(), &rect);
 195
 196 #if wxUSE_STATUSBAR
 197   if ( GetStatusBar() && GetStatusBar()->IsShown() )
 198   {
 199     int statusX, statusY;
 200     GetStatusBar()->GetClientSize(&statusX, &statusY);
 201     rect.bottom -= statusY;
 202   }
 203 #endif // wxUSE_STATUSBAR
 204
 205   wxPoint pt(GetClientAreaOrigin());
 206   rect.bottom -= pt.y;
 207   rect.right -= pt.x;
 208
 209   if ( x )
 210     *x = rect.right;
 211   if ( y )
 212     *y = rect.bottom;
 213 }
 214
 215 // Set the client size (i.e. leave the calculation of borders etc.
 216 // to wxWindows)
 217 void wxFrame::DoSetClientSize(int width, int height)
 218 {
 219   HWND hWnd = GetHwnd();
 220
 221   RECT rect;
 222   ::GetClientRect(hWnd, &rect);
 223
 224   RECT rect2;
 225   GetWindowRect(hWnd, &rect2);
 226
 227   // Find the difference between the entire window (title bar and all)
 228   // and the client area; add this to the new client size to move the
 229   // window
 230   int actual_width = rect2.right - rect2.left - rect.right + width;
 231   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 232
 233 #if wxUSE_STATUSBAR
 234   if ( GetStatusBar() && GetStatusBar()->IsShown())
 235   {
 236     int statusX, statusY;
 237     GetStatusBar()->GetClientSize(&statusX, &statusY);
 238     actual_height += statusY;
 239   }
 240 #endif // wxUSE_STATUSBAR
 241
 242   wxPoint pt(GetClientAreaOrigin());
 243   actual_width += pt.y;
 244   actual_height += pt.x;
 245
 246   POINT point;
 247   point.x = rect2.left;
 248   point.y = rect2.top;
 249
 250   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 251
 252   wxSizeEvent event(wxSize(width, height), m_windowId);
 253   event.SetEventObject( this );
 254   GetEventHandler()->ProcessEvent(event);
 255 }
 256
 257 void wxFrame::DoGetSize(int *width, int *height) const
 258 {
 259   RECT rect;
 260   GetWindowRect(GetHwnd(), &rect);
 261   *width = rect.right - rect.left;
 262   *height = rect.bottom - rect.top;
 263 }
 264
 265 void wxFrame::DoGetPosition(int *x, int *y) const
 266 {
 267   RECT rect;
 268   GetWindowRect(GetHwnd(), &rect);
 269   POINT point;
 270   point.x = rect.left;
 271   point.y = rect.top;
 272
 273   *x = point.x;
 274   *y = point.y;
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // variations around ::ShowWindow()
 279 // ----------------------------------------------------------------------------
 280
 281 void wxFrame::DoShowWindow(int nShowCmd)
 282 {
 283     ::ShowWindow(GetHwnd(), nShowCmd);
 284
 285     m_iconized = nShowCmd == SW_MINIMIZE;
 286 }
 287
 288 bool wxFrame::Show(bool show)
 289 {
 290     DoShowWindow(show ? SW_SHOW : SW_HIDE);
 291
 292     if ( show )
 293     {
 294         ::BringWindowToTop(GetHwnd());
 295
 296         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 297         event.SetEventObject( this );
 298         GetEventHandler()->ProcessEvent(event);
 299     }
 300     else
 301     {
 302         // Try to highlight the correct window (the parent)
 303         if ( GetParent() )
 304         {
 305             HWND hWndParent = GetHwndOf(GetParent());
 306             if (hWndParent)
 307                 ::BringWindowToTop(hWndParent);
 308         }
 309     }
 310
 311     return TRUE;
 312 }
 313
 314 void wxFrame::Iconize(bool iconize)
 315 {
 316     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 317 }
 318
 319 void wxFrame::Maximize(bool maximize)
 320 {
 321     DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 322 }
 323
 324 void wxFrame::Restore()
 325 {
 326     DoShowWindow(SW_RESTORE);
 327 }
 328
 329 bool wxFrame::IsIconized() const
 330 {
 331   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 332   return m_iconized;
 333 }
 334
 335 // Is it maximized?
 336 bool wxFrame::IsMaximized() const
 337 {
 338     return (::IsZoomed(GetHwnd()) != 0);
 339 }
 340
 341 void wxFrame::SetIcon(const wxIcon& icon)
 342 {
 343     wxFrameBase::SetIcon(icon);
 344
 345 #if defined(__WIN95__)
 346     if ( m_icon.Ok() )
 347     {
 348         SendMessage(GetHwnd(), WM_SETICON,
 349                     (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 350     }
 351 #endif // __WIN95__
 352 }
 353
 354 #if wxUSE_STATUSBAR
 355 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 356                                         long style,
 357                                         wxWindowID id,
 358                                         const wxString& name)
 359 {
 360     wxStatusBar *statusBar = NULL;
 361
 362 #if wxUSE_NATIVE_STATUSBAR
 363     if ( !UsesNativeStatusBar() )
 364     {
 365         statusBar = (wxStatusBar *)new wxStatusBarGeneric(this, id, style);
 366     }
 367     else
 368 #endif
 369     {
 370         statusBar = new wxStatusBar(this, id, style, name);
 371     }
 372
 373     // Set the height according to the font and the border size
 374     wxClientDC dc(statusBar);
 375     dc.SetFont(statusBar->GetFont());
 376
 377     wxCoord y;
 378     dc.GetTextExtent(_T("X"), NULL, &y );
 379
 380     int height = (int)( (11*y)/10 + 2*statusBar->GetBorderY());
 381
 382     statusBar->SetSize(-1, -1, -1, height);
 383
 384     statusBar->SetFieldsCount(number);
 385
 386     return statusBar;
 387 }
 388
 389 void wxFrame::PositionStatusBar()
 390 {
 391     if ( !m_frameStatusBar )
 392         return;
 393
 394     int w, h;
 395     GetClientSize(&w, &h);
 396     int sw, sh;
 397     m_frameStatusBar->GetSize(&sw, &sh);
 398
 399     // Since we wish the status bar to be directly under the client area,
 400     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 401     m_frameStatusBar->SetSize(0, h, w, sh);
 402 }
 403 #endif // wxUSE_STATUSBAR
 404
 405 void wxFrame::DetachMenuBar()
 406 {
 407     if (m_frameMenuBar)
 408     {
 409         m_frameMenuBar->Detach();
 410         m_frameMenuBar = NULL;
 411     }
 412 }
 413
 414 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 415 {
 416     if (!menu_bar)
 417     {
 418         DetachMenuBar();
 419         return;
 420     }
 421
 422     m_frameMenuBar = NULL;
 423
 424     // Can set a menubar several times.
 425     // TODO: how to prevent a memory leak if you have a currently-unattached
 426     // menubar? wxWindows assumes that the frame will delete the menu (otherwise
 427     // there are problems for MDI).
 428     if (menu_bar->GetHMenu())
 429     {
 430         m_hMenu = menu_bar->GetHMenu();
 431     }
 432     else
 433     {
 434         menu_bar->Detach();
 435
 436         m_hMenu = menu_bar->Create();
 437
 438         if ( !m_hMenu )
 439             return;
 440     }
 441
 442     InternalSetMenuBar();
 443
 444     m_frameMenuBar = menu_bar;
 445     menu_bar->Attach(this);
 446
 447 #if 0 // Old code that assumes only one call of SetMenuBar per frame.
 448     if (!menu_bar)
 449     {
 450         DetachMenuBar();
 451         return;
 452     }
 453
 454     wxCHECK_RET( !menu_bar->GetFrame(), wxT("this menubar is already attached") );
 455
 456     if (m_frameMenuBar)
 457         delete m_frameMenuBar;
 458
 459     m_hMenu = menu_bar->Create();
 460
 461     if ( !m_hMenu )
 462         return;
 463
 464     InternalSetMenuBar();
 465
 466     m_frameMenuBar = menu_bar;
 467     menu_bar->Attach(this);
 468 #endif
 469 }
 470
 471 void wxFrame::InternalSetMenuBar()
 472 {
 473     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 474     {
 475         wxLogLastError("SetMenu");
 476     }
 477 }
 478
 479 // Responds to colour changes, and passes event on to children.
 480 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 481 {
 482     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 483     Refresh();
 484
 485     if ( m_frameStatusBar )
 486     {
 487         wxSysColourChangedEvent event2;
 488         event2.SetEventObject( m_frameStatusBar );
 489         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 490     }
 491
 492     // Propagate the event to the non-top-level children
 493     wxWindow::OnSysColourChanged(event);
 494 }
 495
 496 // Pass TRUE to show full screen, FALSE to restore.
 497 bool wxFrame::ShowFullScreen(bool show, long style)
 498 {
 499     if (show)
 500     {
 501         if (IsFullScreen())
 502             return FALSE;
 503
 504         m_fsIsShowing = TRUE;
 505         m_fsStyle = style;
 506
 507              wxToolBar *theToolBar = GetToolBar();
 508              wxStatusBar *theStatusBar = GetStatusBar();
 509
 510         int dummyWidth;
 511
 512         if (theToolBar)
 513             theToolBar->GetSize(&dummyWidth, &m_fsToolBarHeight);
 514         if (theStatusBar)
 515             theStatusBar->GetSize(&dummyWidth, &m_fsStatusBarHeight);
 516
 517         // zap the toolbar, menubar, and statusbar
 518
 519         if ((style & wxFULLSCREEN_NOTOOLBAR) && theToolBar)
 520         {
 521             theToolBar->SetSize(-1,0);
 522             theToolBar->Show(FALSE);
 523         }
 524
 525         if (style & wxFULLSCREEN_NOMENUBAR)
 526             SetMenu((HWND)GetHWND(), (HMENU) NULL);
 527
 528         // Save the number of fields in the statusbar
 529         if ((style & wxFULLSCREEN_NOSTATUSBAR) && theStatusBar)
 530         {
 531             m_fsStatusBarFields = theStatusBar->GetFieldsCount();
 532             SetStatusBar((wxStatusBar*) NULL);
 533                  delete theStatusBar;
 534         }
 535         else
 536             m_fsStatusBarFields = 0;
 537
 538         // zap the frame borders
 539
 540         // save the 'normal' window style
 541         m_fsOldWindowStyle = GetWindowLong((HWND)GetHWND(), GWL_STYLE);
 542
 543             // save the old position, width & height, maximize state
 544         m_fsOldSize = GetRect();
 545              m_fsIsMaximized = IsMaximized();
 546
 547             // decide which window style flags to turn off
 548         LONG newStyle = m_fsOldWindowStyle;
 549         LONG offFlags = 0;
 550
 551         if (style & wxFULLSCREEN_NOBORDER)
 552             offFlags |= WS_BORDER;
 553         if (style & wxFULLSCREEN_NOCAPTION)
 554             offFlags |= (WS_CAPTION | WS_SYSMENU);
 555
 556         newStyle &= (~offFlags);
 557
 558         // change our window style to be compatible with full-screen mode
 559         SetWindowLong((HWND)GetHWND(), GWL_STYLE, newStyle);
 560
 561         // resize to the size of the desktop
 562         int width, height;
 563
 564         RECT rect;
 565         ::GetWindowRect(GetDesktopWindow(), &rect);
 566         width = rect.right - rect.left;
 567         height = rect.bottom - rect.top;
 568
 569         SetSize(width, height);
 570
 571         // now flush the window style cache and actually go full-screen
 572         SetWindowPos((HWND)GetHWND(), HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
 573
 574         wxSizeEvent event(wxSize(width, height), GetId());
 575         GetEventHandler()->ProcessEvent(event);
 576
 577         return TRUE;
 578     }
 579     else
 580     {
 581         if (!IsFullScreen())
 582             return FALSE;
 583
 584         m_fsIsShowing = FALSE;
 585
 586         wxToolBar *theToolBar = GetToolBar();
 587
 588         // restore the toolbar, menubar, and statusbar
 589         if (theToolBar && (m_fsStyle & wxFULLSCREEN_NOTOOLBAR))
 590         {
 591             theToolBar->SetSize(-1, m_fsToolBarHeight);
 592             theToolBar->Show(TRUE);
 593         }
 594
 595         if ((m_fsStyle & wxFULLSCREEN_NOSTATUSBAR) && (m_fsStatusBarFields > 0))
 596         {
 597             CreateStatusBar(m_fsStatusBarFields);
 598             PositionStatusBar();
 599         }
 600
 601         if ((m_fsStyle & wxFULLSCREEN_NOMENUBAR) && (m_hMenu != 0))
 602             SetMenu((HWND)GetHWND(), (HMENU)m_hMenu);
 603
 604         Maximize(m_fsIsMaximized);
 605         SetWindowLong((HWND)GetHWND(),GWL_STYLE, m_fsOldWindowStyle);
 606         SetWindowPos((HWND)GetHWND(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
 607             m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
 608
 609         return TRUE;
 610     }
 611 }
 612
 613 /*
 614  * Frame window
 615  *
 616  */
 617
 618 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 619                    int x, int y, int width, int height, long style)
 620
 621 {
 622   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 623
 624   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 625   // could be the culprit. But without it, you can get a lot of flicker.
 626
 627   DWORD msflags = 0;
 628   if ((style & wxCAPTION) == wxCAPTION)
 629     msflags = WS_OVERLAPPED;
 630   else
 631     msflags = WS_POPUP;
 632
 633   if (style & wxMINIMIZE_BOX)
 634     msflags |= WS_MINIMIZEBOX;
 635   if (style & wxMAXIMIZE_BOX)
 636     msflags |= WS_MAXIMIZEBOX;
 637   if (style & wxTHICK_FRAME)
 638     msflags |= WS_THICKFRAME;
 639   if (style & wxSYSTEM_MENU)
 640     msflags |= WS_SYSMENU;
 641   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 642     msflags |= WS_MINIMIZE;
 643   if (style & wxMAXIMIZE)
 644     msflags |= WS_MAXIMIZE;
 645   if (style & wxCAPTION)
 646     msflags |= WS_CAPTION;
 647   if (style & wxCLIP_CHILDREN)
 648     msflags |= WS_CLIPCHILDREN;
 649
 650   // Keep this in wxFrame because it saves recoding this function
 651   // in wxTinyFrame
 652 #if wxUSE_ITSY_BITSY && !defined(__WIN32__)
 653   if (style & wxTINY_CAPTION_VERT)
 654     msflags |= IBS_VERTCAPTION;
 655   if (style & wxTINY_CAPTION_HORIZ)
 656     msflags |= IBS_HORZCAPTION;
 657 #else
 658   if (style & wxTINY_CAPTION_VERT)
 659     msflags |= WS_CAPTION;
 660   if (style & wxTINY_CAPTION_HORIZ)
 661     msflags |= WS_CAPTION;
 662 #endif
 663   if ((style & wxTHICK_FRAME) == 0)
 664     msflags |= WS_BORDER;
 665
 666   WXDWORD extendedStyle = MakeExtendedStyle(style);
 667
 668 #if !defined(__WIN16__) && !defined(__SC__)
 669   if (style & wxFRAME_TOOL_WINDOW)
 670     extendedStyle |= WS_EX_TOOLWINDOW;
 671 #endif
 672
 673   if (style & wxSTAY_ON_TOP)
 674     extendedStyle |= WS_EX_TOPMOST;
 675
 676   m_iconized = FALSE;
 677   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 678          msflags, NULL, extendedStyle) )
 679          return FALSE;
 680
 681   // Seems to be necessary if we use WS_POPUP
 682   // style instead of WS_OVERLAPPED
 683   if (width > -1 && height > -1)
 684     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 685
 686   return TRUE;
 687 }
 688
 689 // Default activation behaviour - set the focus for the first child
 690 // subwindow found.
 691 void wxFrame::OnActivate(wxActivateEvent& event)
 692 {
 693     if ( !event.GetActive() )
 694     {
 695         event.Skip();
 696
 697         return;
 698     }
 699
 700     wxLogTrace(_T("focus"), _T("wxFrame %08x activated."), m_hWnd);
 701
 702     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 703           node;
 704           node = node->GetNext() )
 705     {
 706         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 707         //       but how to do it without duplicating the code?
 708
 709         // restore focus
 710         wxWindow *child = node->GetData();
 711
 712         if ( !child->IsTopLevel()
 713 #if wxUSE_TOOLBAR
 714              && !wxDynamicCast(child, wxToolBar)
 715 #endif // wxUSE_TOOLBAR
 716 #if wxUSE_STATUSBAR
 717              && !wxDynamicCast(child, wxStatusBar)
 718 #endif // wxUSE_STATUSBAR
 719            )
 720         {
 721             child->SetFocus();
 722             break;
 723         }
 724     }
 725 }
 726
 727 // ----------------------------------------------------------------------------
 728 // tool/status bar stuff
 729 // ----------------------------------------------------------------------------
 730
 731 #if wxUSE_TOOLBAR
 732
 733 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 734 {
 735     if ( wxFrameBase::CreateToolBar(style, id, name) )
 736     {
 737         PositionToolBar();
 738     }
 739
 740     return m_frameToolBar;
 741 }
 742
 743 void wxFrame::PositionToolBar()
 744 {
 745     RECT rect;
 746     ::GetClientRect(GetHwnd(), &rect);
 747
 748 #if wxUSE_STATUSBAR
 749     if ( GetStatusBar() )
 750     {
 751         int statusX, statusY;
 752         GetStatusBar()->GetClientSize(&statusX, &statusY);
 753         rect.bottom -= statusY;
 754     }
 755 #endif // wxUSE_STATUSBAR
 756
 757     if ( GetToolBar() && GetToolBar()->IsShown() )
 758     {
 759         int tw, th;
 760         GetToolBar()->GetSize(&tw, &th);
 761
 762         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 763         {
 764             th = rect.bottom;
 765         }
 766         else
 767         {
 768             tw = rect.right;
 769         }
 770
 771         // Use the 'real' MSW position here
 772         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 773     }
 774 }
 775 #endif // wxUSE_TOOLBAR
 776
 777 // ----------------------------------------------------------------------------
 778 // frame state (iconized/maximized/...)
 779 // ----------------------------------------------------------------------------
 780
 781 // propagate our state change to all child frames: this allows us to emulate X
 782 // Windows behaviour where child frames float independently of the parent one
 783 // on the desktop, but are iconized/restored with it
 784 void wxFrame::IconizeChildFrames(bool bIconize)
 785 {
 786     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 787           node;
 788           node = node->GetNext() )
 789     {
 790         wxWindow *win = node->GetData();
 791
 792         // the child MDI frames are a special case and should not be touched by
 793         // the parent frame - instead, they are managed by the user
 794         wxFrame *frame = wxDynamicCast(win, wxFrame);
 795         if ( frame && !wxDynamicCast(frame, wxMDIChildFrame) )
 796         {
 797             frame->Iconize(bIconize);
 798         }
 799     }
 800 }
 801
 802 // ===========================================================================
 803 // message processing
 804 // ===========================================================================
 805
 806 // ---------------------------------------------------------------------------
 807 // preprocessing
 808 // ---------------------------------------------------------------------------
 809
 810 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 811 {
 812     if ( wxWindow::MSWTranslateMessage(pMsg) )
 813         return TRUE;
 814
 815     // try the menu bar accels
 816     wxMenuBar *menuBar = GetMenuBar();
 817     if ( !menuBar )
 818         return FALSE;
 819
 820     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 821     return acceleratorTable.Translate(this, pMsg);
 822 }
 823
 824 // ---------------------------------------------------------------------------
 825 // our private (non virtual) message handlers
 826 // ---------------------------------------------------------------------------
 827
 828 bool wxFrame::HandlePaint()
 829 {
 830     RECT rect;
 831     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 832     {
 833         if ( m_iconized )
 834         {
 835             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 836                                       : (HICON)m_defaultIcon;
 837
 838             // Hold a pointer to the dc so long as the OnPaint() message
 839             // is being processed
 840             PAINTSTRUCT ps;
 841             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 842
 843             // Erase background before painting or we get white background
 844             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 845
 846             if ( hIcon )
 847             {
 848                 RECT rect;
 849                 ::GetClientRect(GetHwnd(), &rect);
 850
 851                 // FIXME: why hardcoded?
 852                 static const int icon_width = 32;
 853                 static const int icon_height = 32;
 854
 855                 int icon_x = (int)((rect.right - icon_width)/2);
 856                 int icon_y = (int)((rect.bottom - icon_height)/2);
 857
 858                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 859             }
 860
 861             ::EndPaint(GetHwnd(), &ps);
 862
 863             return TRUE;
 864         }
 865         else
 866         {
 867             return wxWindow::HandlePaint();
 868         }
 869     }
 870     else
 871     {
 872         // nothing to paint - processed
 873         return TRUE;
 874     }
 875 }
 876
 877 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 878 {
 879     bool processed = FALSE;
 880
 881     switch ( id )
 882     {
 883         case SIZENORMAL:
 884             // only do it it if we were iconized before, otherwise resizing the
 885             // parent frame has a curious side effect of bringing it under it's
 886             // children
 887             if ( !m_iconized )
 888                 break;
 889
 890             // restore all child frames too
 891             IconizeChildFrames(FALSE);
 892
 893             // fall through
 894
 895         case SIZEFULLSCREEN:
 896             m_iconized = FALSE;
 897             break;
 898
 899         case SIZEICONIC:
 900             // iconize all child frames too
 901             IconizeChildFrames(TRUE);
 902
 903             m_iconized = TRUE;
 904             break;
 905     }
 906
 907     if ( !m_iconized )
 908     {
 909         PositionStatusBar();
 910         PositionToolBar();
 911
 912         wxSizeEvent event(wxSize(x, y), m_windowId);
 913         event.SetEventObject( this );
 914         processed = GetEventHandler()->ProcessEvent(event);
 915     }
 916
 917     return processed;
 918 }
 919
 920 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 921 {
 922     if ( control )
 923     {
 924         // In case it's e.g. a toolbar.
 925         wxWindow *win = wxFindWinFromHandle(control);
 926         if ( win )
 927             return win->MSWCommand(cmd, id);
 928     }
 929
 930     // handle here commands from menus and accelerators
 931     if ( cmd == 0 || cmd == 1 )
 932     {
 933         if ( wxCurrentPopupMenu )
 934         {
 935             wxMenu *popupMenu = wxCurrentPopupMenu;
 936             wxCurrentPopupMenu = NULL;
 937
 938             return popupMenu->MSWCommand(cmd, id);
 939         }
 940
 941         if ( ProcessCommand(id) )
 942         {
 943             return TRUE;
 944         }
 945     }
 946
 947     return FALSE;
 948 }
 949
 950 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 951 {
 952     int item;
 953     if ( flags == 0xFFFF && hMenu == 0 )
 954     {
 955         // menu was removed from screen
 956         item = -1;
 957     }
 958     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 959     {
 960         item = nItem;
 961     }
 962     else
 963     {
 964         // don't give hints for separators (doesn't make sense) nor for the
 965         // items opening popup menus (they don't have them anyhow)
 966         return FALSE;
 967     }
 968
 969     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 970     event.SetEventObject( this );
 971
 972     return GetEventHandler()->ProcessEvent(event);
 973 }
 974
 975 // ---------------------------------------------------------------------------
 976 // the window proc for wxFrame
 977 // ---------------------------------------------------------------------------
 978
 979 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 980 {
 981     long rc = 0;
 982     bool processed = FALSE;
 983
 984     switch ( message )
 985     {
 986         case WM_CLOSE:
 987             // if we can't close, tell the system that we processed the
 988             // message - otherwise it would close us
 989             processed = !Close();
 990             break;
 991
 992         case WM_COMMAND:
 993             {
 994                 WORD id, cmd;
 995                 WXHWND hwnd;
 996                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 997                               &id, &hwnd, &cmd);
 998
 999                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
1000             }
1001             break;
1002
1003         case WM_MENUSELECT:
1004             {
1005                 WXWORD item, flags;
1006                 WXHMENU hmenu;
1007                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
1008
1009                 processed = HandleMenuSelect(item, flags, hmenu);
1010             }
1011             break;
1012
1013         case WM_PAINT:
1014             processed = HandlePaint();
1015             break;
1016
1017         case WM_QUERYDRAGICON:
1018             {
1019                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
1020                                           : (HICON)(m_defaultIcon);
1021                 rc = (long)hIcon;
1022                 processed = rc != 0;
1023             }
1024             break;
1025
1026         case WM_SIZE:
1027             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
1028             break;
1029     }
1030
1031     if ( !processed )
1032         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
1033
1034     return rc;
1035 }
1036