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 #endif // WX_PRECOMP
  41
  42 #include "wx/msw/private.h"
  43
  44 #if wxUSE_STATUSBAR
  45     #include "wx/statusbr.h"
  46
  47     #if wxUSE_NATIVE_STATUSBAR
  48         #include "wx/msw/statbr95.h"
  49     #endif
  50 #endif // wxUSE_STATUSBAR
  51
  52 #if wxUSE_TOOLBAR
  53     #include "wx/toolbar.h"
  54 #endif // wxUSE_TOOLBAR
  55
  56 #include "wx/menuitem.h"
  57 #include "wx/log.h"
  58
  59 // ----------------------------------------------------------------------------
  60 // globals
  61 // ----------------------------------------------------------------------------
  62
  63 extern wxWindowList wxModelessWindows;
  64 extern wxList WXDLLEXPORT wxPendingDelete;
  65 extern wxChar wxFrameClassName[];
  66 extern wxMenu *wxCurrentPopupMenu;
  67
  68 // ----------------------------------------------------------------------------
  69 // event tables
  70 // ----------------------------------------------------------------------------
  71
  72 #if !USE_SHARED_LIBRARY
  73 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  74     EVT_ACTIVATE(wxFrame::OnActivate)
  75     EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  76 END_EVENT_TABLE()
  77
  78 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  79 #endif
  80
  81 // ============================================================================
  82 // implementation
  83 // ============================================================================
  84
  85 // ----------------------------------------------------------------------------
  86 // static class members
  87 // ----------------------------------------------------------------------------
  88
  89 #if wxUSE_NATIVE_STATUSBAR
  90     bool wxFrame::m_useNativeStatusBar = TRUE;
  91 #else
  92     bool wxFrame::m_useNativeStatusBar = FALSE;
  93 #endif
  94
  95 // ----------------------------------------------------------------------------
  96 // creation/destruction
  97 // ----------------------------------------------------------------------------
  98
  99 void wxFrame::Init()
 100 {
 101     m_iconized = FALSE;
 102
 103 #if wxUSE_TOOLTIPS
 104     m_hwndToolTip = 0;
 105 #endif
 106 }
 107
 108 bool wxFrame::Create(wxWindow *parent,
 109                      wxWindowID id,
 110                      const wxString& title,
 111                      const wxPoint& pos,
 112                      const wxSize& size,
 113                      long style,
 114                      const wxString& name)
 115 {
 116   SetName(name);
 117   m_windowStyle = style;
 118   m_frameMenuBar = NULL;
 119   m_frameToolBar = NULL;
 120   m_frameStatusBar = NULL;
 121
 122   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 123
 124   if ( id > -1 )
 125     m_windowId = id;
 126   else
 127     m_windowId = (int)NewControlId();
 128
 129   if (parent) parent->AddChild(this);
 130
 131   int x = pos.x;
 132   int y = pos.y;
 133   int width = size.x;
 134   int height = size.y;
 135
 136   m_iconized = FALSE;
 137
 138   // we pass NULL as parent to MSWCreate because frames with parents behave
 139   // very strangely under Win95 shell
 140   // Alteration by JACS: keep normal Windows behaviour (float on top of parent)
 141   // with this style.
 142   if ((m_windowStyle & wxFRAME_FLOAT_ON_PARENT) == 0)
 143     parent = NULL;
 144
 145   if (!parent)
 146     wxTopLevelWindows.Append(this);
 147
 148   MSWCreate(m_windowId, parent, wxFrameClassName, this, title,
 149             x, y, width, height, style);
 150
 151   wxModelessWindows.Append(this);
 152   return TRUE;
 153 }
 154
 155 wxFrame::~wxFrame()
 156 {
 157   m_isBeingDeleted = TRUE;
 158   wxTopLevelWindows.DeleteObject(this);
 159
 160   DeleteAllBars();
 161
 162   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 163   {
 164     wxTheApp->SetTopWindow(NULL);
 165
 166     if (wxTheApp->GetExitOnFrameDelete())
 167     {
 168        PostQuitMessage(0);
 169     }
 170   }
 171
 172   wxModelessWindows.DeleteObject(this);
 173
 174   // For some reason, wxWindows can activate another task altogether
 175   // when a frame is destroyed after a modal dialog has been invoked.
 176   // Try to bring the parent to the top.
 177   // MT:Only do this if this frame is currently the active window, else weird
 178   // things start to happen
 179   if ( wxGetActiveWindow() == this )
 180   if (GetParent() && GetParent()->GetHWND())
 181     ::BringWindowToTop((HWND) GetParent()->GetHWND());
 182 }
 183
 184 // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc.
 185 void wxFrame::DoGetClientSize(int *x, int *y) const
 186 {
 187   RECT rect;
 188   ::GetClientRect(GetHwnd(), &rect);
 189
 190 #if wxUSE_STATUSBAR
 191   if ( GetStatusBar() )
 192   {
 193     int statusX, statusY;
 194     GetStatusBar()->GetClientSize(&statusX, &statusY);
 195     rect.bottom -= statusY;
 196   }
 197 #endif // wxUSE_STATUSBAR
 198
 199   wxPoint pt(GetClientAreaOrigin());
 200   rect.bottom -= pt.y;
 201   rect.right -= pt.x;
 202
 203   if ( x )
 204     *x = rect.right;
 205   if ( y )
 206     *y = rect.bottom;
 207 }
 208
 209 // Set the client size (i.e. leave the calculation of borders etc.
 210 // to wxWindows)
 211 void wxFrame::DoSetClientSize(int width, int height)
 212 {
 213   HWND hWnd = GetHwnd();
 214
 215   RECT rect;
 216   ::GetClientRect(hWnd, &rect);
 217
 218   RECT rect2;
 219   GetWindowRect(hWnd, &rect2);
 220
 221   // Find the difference between the entire window (title bar and all)
 222   // and the client area; add this to the new client size to move the
 223   // window
 224   int actual_width = rect2.right - rect2.left - rect.right + width;
 225   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 226
 227 #if wxUSE_STATUSBAR
 228   if ( GetStatusBar() )
 229   {
 230     int statusX, statusY;
 231     GetStatusBar()->GetClientSize(&statusX, &statusY);
 232     actual_height += statusY;
 233   }
 234 #endif // wxUSE_STATUSBAR
 235
 236   wxPoint pt(GetClientAreaOrigin());
 237   actual_width += pt.y;
 238   actual_height += pt.x;
 239
 240   POINT point;
 241   point.x = rect2.left;
 242   point.y = rect2.top;
 243
 244   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
 245
 246   wxSizeEvent event(wxSize(width, height), m_windowId);
 247   event.SetEventObject( this );
 248   GetEventHandler()->ProcessEvent(event);
 249 }
 250
 251 void wxFrame::DoGetSize(int *width, int *height) const
 252 {
 253   RECT rect;
 254   GetWindowRect(GetHwnd(), &rect);
 255   *width = rect.right - rect.left;
 256   *height = rect.bottom - rect.top;
 257 }
 258
 259 void wxFrame::DoGetPosition(int *x, int *y) const
 260 {
 261   RECT rect;
 262   GetWindowRect(GetHwnd(), &rect);
 263   POINT point;
 264   point.x = rect.left;
 265   point.y = rect.top;
 266
 267   *x = point.x;
 268   *y = point.y;
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // variations around ::ShowWindow()
 273 // ----------------------------------------------------------------------------
 274
 275 void wxFrame::DoShowWindow(int nShowCmd)
 276 {
 277     ::ShowWindow(GetHwnd(), nShowCmd);
 278
 279     m_iconized = nShowCmd == SW_MINIMIZE;
 280 }
 281
 282 bool wxFrame::Show(bool show)
 283 {
 284     DoShowWindow(show ? SW_SHOW : SW_HIDE);
 285
 286     if ( show )
 287     {
 288         ::BringWindowToTop(GetHwnd());
 289
 290         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 291         event.SetEventObject( this );
 292         GetEventHandler()->ProcessEvent(event);
 293     }
 294     else
 295     {
 296         // Try to highlight the correct window (the parent)
 297         if ( GetParent() )
 298         {
 299             HWND hWndParent = GetHwndOf(GetParent());
 300             if (hWndParent)
 301                 ::BringWindowToTop(hWndParent);
 302         }
 303     }
 304
 305     return TRUE;
 306 }
 307
 308 void wxFrame::Iconize(bool iconize)
 309 {
 310     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 311 }
 312
 313 void wxFrame::Maximize(bool maximize)
 314 {
 315     DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 316 }
 317
 318 void wxFrame::Restore()
 319 {
 320     DoShowWindow(SW_RESTORE);
 321 }
 322
 323 bool wxFrame::IsIconized() const
 324 {
 325   ((wxFrame *)this)->m_iconized = (::IsIconic(GetHwnd()) != 0);
 326   return m_iconized;
 327 }
 328
 329 // Is it maximized?
 330 bool wxFrame::IsMaximized() const
 331 {
 332     return (::IsZoomed(GetHwnd()) != 0);
 333 }
 334
 335 void wxFrame::SetIcon(const wxIcon& icon)
 336 {
 337     wxFrameBase::SetIcon(icon);
 338
 339 #if defined(__WIN95__)
 340     if ( m_icon.Ok() )
 341     {
 342         SendMessage(GetHwnd(), WM_SETICON,
 343                     (WPARAM)TRUE, (LPARAM)(HICON) m_icon.GetHICON());
 344     }
 345 #endif // __WIN95__
 346 }
 347
 348 #if wxUSE_STATUSBAR
 349 wxStatusBar *wxFrame::OnCreateStatusBar(int number,
 350                                         long style,
 351                                         wxWindowID id,
 352                                         const wxString& name)
 353 {
 354     wxStatusBar *statusBar = NULL;
 355
 356 #if wxUSE_NATIVE_STATUSBAR
 357     if ( UsesNativeStatusBar() )
 358     {
 359         statusBar = new wxStatusBar95(this, id, style);
 360     }
 361     else
 362 #endif
 363     {
 364         statusBar = wxFrameBase::OnCreateStatusBar(number, style, id, name);
 365     }
 366
 367     return statusBar;
 368 }
 369
 370 void wxFrame::PositionStatusBar()
 371 {
 372     // native status bar positions itself
 373     if ( m_frameStatusBar
 374 #if wxUSE_NATIVE_STATUSBAR
 375          && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 376 #endif
 377        )
 378     {
 379         int w, h;
 380         GetClientSize(&w, &h);
 381         int sw, sh;
 382         m_frameStatusBar->GetSize(&sw, &sh);
 383
 384         // Since we wish the status bar to be directly under the client area,
 385         // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 386         m_frameStatusBar->SetSize(0, h, w, sh);
 387     }
 388 }
 389 #endif // wxUSE_STATUSBAR
 390
 391 void wxFrame::DetachMenuBar()
 392 {
 393     if (m_frameMenuBar)
 394     {
 395         m_frameMenuBar->Detach();
 396         m_frameMenuBar = NULL;
 397     }
 398 }
 399
 400 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 401 {
 402     if (!menu_bar)
 403     {
 404         DetachMenuBar();
 405         return;
 406     }
 407
 408     wxCHECK_RET( !menu_bar->GetFrame(), wxT("this menubar is already attached") );
 409
 410     if (m_frameMenuBar)
 411         delete m_frameMenuBar;
 412
 413     m_hMenu = menu_bar->Create();
 414
 415     if ( !m_hMenu )
 416         return;
 417
 418     InternalSetMenuBar();
 419
 420     m_frameMenuBar = menu_bar;
 421     menu_bar->Attach(this);
 422 }
 423
 424 void wxFrame::InternalSetMenuBar()
 425 {
 426     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 427     {
 428         wxLogLastError("SetMenu");
 429     }
 430 }
 431
 432 // Responds to colour changes, and passes event on to children.
 433 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 434 {
 435     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 436     Refresh();
 437
 438     if ( m_frameStatusBar )
 439     {
 440         wxSysColourChangedEvent event2;
 441         event2.SetEventObject( m_frameStatusBar );
 442         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 443     }
 444
 445     // Propagate the event to the non-top-level children
 446     wxWindow::OnSysColourChanged(event);
 447 }
 448
 449 /*
 450  * Frame window
 451  *
 452  */
 453
 454 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 455                    int x, int y, int width, int height, long style)
 456
 457 {
 458   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 459
 460   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 461   // could be the culprit. But without it, you can get a lot of flicker.
 462
 463   DWORD msflags = 0;
 464   if ((style & wxCAPTION) == wxCAPTION)
 465     msflags = WS_OVERLAPPED;
 466   else
 467     msflags = WS_POPUP;
 468
 469   if (style & wxMINIMIZE_BOX)
 470     msflags |= WS_MINIMIZEBOX;
 471   if (style & wxMAXIMIZE_BOX)
 472     msflags |= WS_MAXIMIZEBOX;
 473   if (style & wxTHICK_FRAME)
 474     msflags |= WS_THICKFRAME;
 475   if (style & wxSYSTEM_MENU)
 476     msflags |= WS_SYSMENU;
 477   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 478     msflags |= WS_MINIMIZE;
 479   if (style & wxMAXIMIZE)
 480     msflags |= WS_MAXIMIZE;
 481   if (style & wxCAPTION)
 482     msflags |= WS_CAPTION;
 483   if (style & wxCLIP_CHILDREN)
 484     msflags |= WS_CLIPCHILDREN;
 485
 486   // Keep this in wxFrame because it saves recoding this function
 487   // in wxTinyFrame
 488 #if wxUSE_ITSY_BITSY
 489   if (style & wxTINY_CAPTION_VERT)
 490     msflags |= IBS_VERTCAPTION;
 491   if (style & wxTINY_CAPTION_HORIZ)
 492     msflags |= IBS_HORZCAPTION;
 493 #else
 494   if (style & wxTINY_CAPTION_VERT)
 495     msflags |= WS_CAPTION;
 496   if (style & wxTINY_CAPTION_HORIZ)
 497     msflags |= WS_CAPTION;
 498 #endif
 499   if ((style & wxTHICK_FRAME) == 0)
 500     msflags |= WS_BORDER;
 501
 502   WXDWORD extendedStyle = MakeExtendedStyle(style);
 503
 504 #if !defined(__WIN16__) && !defined(__SC__)
 505   if (style & wxFRAME_TOOL_WINDOW)
 506     extendedStyle |= WS_EX_TOOLWINDOW;
 507 #endif
 508
 509   if (style & wxSTAY_ON_TOP)
 510     extendedStyle |= WS_EX_TOPMOST;
 511
 512   m_iconized = FALSE;
 513   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 514          msflags, NULL, extendedStyle) )
 515          return FALSE;
 516
 517   // Seems to be necessary if we use WS_POPUP
 518   // style instead of WS_OVERLAPPED
 519   if (width > -1 && height > -1)
 520     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 521
 522   return TRUE;
 523 }
 524
 525 // Default activation behaviour - set the focus for the first child
 526 // subwindow found.
 527 void wxFrame::OnActivate(wxActivateEvent& event)
 528 {
 529     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 530           node;
 531           node = node->GetNext() )
 532     {
 533         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 534         //       but how to do it without duplicating the code?
 535
 536         // restore focus
 537         wxWindow *child = node->GetData();
 538
 539         if ( !child->IsTopLevel()
 540 #if wxUSE_TOOLBAR
 541              && !wxDynamicCast(child, wxToolBar)
 542 #endif // wxUSE_TOOLBAR
 543 #if wxUSE_STATUSBAR
 544              && !wxDynamicCast(child, wxStatusBar)
 545 #endif // wxUSE_STATUSBAR
 546            )
 547         {
 548             child->SetFocus();
 549             return;
 550         }
 551     }
 552 }
 553
 554 // ----------------------------------------------------------------------------
 555 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
 556 // from the client area, so the client area is what's really available for the
 557 // frame contents
 558 // ----------------------------------------------------------------------------
 559
 560 // Checks if there is a toolbar, and returns the first free client position
 561 wxPoint wxFrame::GetClientAreaOrigin() const
 562 {
 563     wxPoint pt(0, 0);
 564     if (GetToolBar())
 565     {
 566         int w, h;
 567         GetToolBar()->GetSize(& w, & h);
 568
 569         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 570         {
 571             pt.x += w;
 572         }
 573         else
 574         {
 575             pt.y += h;
 576         }
 577     }
 578     return pt;
 579 }
 580
 581 void wxFrame::DoScreenToClient(int *x, int *y) const
 582 {
 583     wxWindow::DoScreenToClient(x, y);
 584
 585     // We may be faking the client origin.
 586     // So a window that's really at (0, 30) may appear
 587     // (to wxWin apps) to be at (0, 0).
 588     wxPoint pt(GetClientAreaOrigin());
 589     *x -= pt.x;
 590     *y -= pt.y;
 591 }
 592
 593 void wxFrame::DoClientToScreen(int *x, int *y) const
 594 {
 595     // We may be faking the client origin.
 596     // So a window that's really at (0, 30) may appear
 597     // (to wxWin apps) to be at (0, 0).
 598     wxPoint pt1(GetClientAreaOrigin());
 599     *x += pt1.x;
 600     *y += pt1.y;
 601
 602     wxWindow::DoClientToScreen(x, y);
 603 }
 604
 605 // ----------------------------------------------------------------------------
 606 // tool/status bar stuff
 607 // ----------------------------------------------------------------------------
 608
 609 #if wxUSE_TOOLBAR
 610
 611 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 612 {
 613     if ( wxFrameBase::CreateToolBar(style, id, name) )
 614     {
 615         PositionToolBar();
 616     }
 617
 618     return m_frameToolBar;
 619 }
 620
 621 void wxFrame::PositionToolBar()
 622 {
 623     RECT rect;
 624     ::GetClientRect(GetHwnd(), &rect);
 625
 626 #if wxUSE_STATUSBAR
 627     if ( GetStatusBar() )
 628     {
 629         int statusX, statusY;
 630         GetStatusBar()->GetClientSize(&statusX, &statusY);
 631         rect.bottom -= statusY;
 632     }
 633 #endif // wxUSE_STATUSBAR
 634
 635     if ( GetToolBar() )
 636     {
 637         int tw, th;
 638         GetToolBar()->GetSize(&tw, &th);
 639
 640         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 641         {
 642             th = rect.bottom;
 643         }
 644         else
 645         {
 646             tw = rect.right;
 647         }
 648
 649         // Use the 'real' MSW position here
 650         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 651     }
 652 }
 653 #endif // wxUSE_TOOLBAR
 654
 655 // ----------------------------------------------------------------------------
 656 // frame state (iconized/maximized/...)
 657 // ----------------------------------------------------------------------------
 658
 659 // propagate our state change to all child frames: this allows us to emulate X
 660 // Windows behaviour where child frames float independently of the parent one
 661 // on the desktop, but are iconized/restored with it
 662 void wxFrame::IconizeChildFrames(bool bIconize)
 663 {
 664     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 665           node;
 666           node = node->GetNext() )
 667     {
 668         wxWindow *win = node->GetData();
 669
 670         if ( win->IsKindOf(CLASSINFO(wxFrame)) )
 671         {
 672             ((wxFrame *)win)->Iconize(bIconize);
 673         }
 674     }
 675 }
 676
 677 // ===========================================================================
 678 // message processing
 679 // ===========================================================================
 680
 681 // ---------------------------------------------------------------------------
 682 // preprocessing
 683 // ---------------------------------------------------------------------------
 684
 685 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 686 {
 687     if ( wxWindow::MSWTranslateMessage(pMsg) )
 688         return TRUE;
 689
 690     // try the menu bar accels
 691     wxMenuBar *menuBar = GetMenuBar();
 692     if ( !menuBar )
 693         return FALSE;
 694
 695     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 696     return acceleratorTable.Translate(this, pMsg);
 697 }
 698
 699 // ---------------------------------------------------------------------------
 700 // our private (non virtual) message handlers
 701 // ---------------------------------------------------------------------------
 702
 703 bool wxFrame::HandlePaint()
 704 {
 705     RECT rect;
 706     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 707     {
 708         if ( m_iconized )
 709         {
 710             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 711                                       : (HICON)m_defaultIcon;
 712
 713             // Hold a pointer to the dc so long as the OnPaint() message
 714             // is being processed
 715             PAINTSTRUCT ps;
 716             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 717
 718             // Erase background before painting or we get white background
 719             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 720
 721             if ( hIcon )
 722             {
 723                 RECT rect;
 724                 ::GetClientRect(GetHwnd(), &rect);
 725
 726                 // FIXME: why hardcoded?
 727                 static const int icon_width = 32;
 728                 static const int icon_height = 32;
 729
 730                 int icon_x = (int)((rect.right - icon_width)/2);
 731                 int icon_y = (int)((rect.bottom - icon_height)/2);
 732
 733                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 734             }
 735
 736             ::EndPaint(GetHwnd(), &ps);
 737
 738             return TRUE;
 739         }
 740         else
 741         {
 742             return wxWindow::HandlePaint();
 743         }
 744     }
 745     else
 746     {
 747         // nothing to paint - processed
 748         return TRUE;
 749     }
 750 }
 751
 752 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 753 {
 754     bool processed = FALSE;
 755
 756     switch ( id )
 757     {
 758         case SIZENORMAL:
 759             // only do it it if we were iconized before, otherwise resizing the
 760             // parent frame has a curious side effect of bringing it under it's
 761             // children
 762             if ( !m_iconized )
 763                 break;
 764
 765             // restore all child frames too
 766             IconizeChildFrames(FALSE);
 767
 768             // fall through
 769
 770         case SIZEFULLSCREEN:
 771             m_iconized = FALSE;
 772             break;
 773
 774         case SIZEICONIC:
 775             // iconize all child frames too
 776             IconizeChildFrames(TRUE);
 777
 778             m_iconized = TRUE;
 779             break;
 780     }
 781
 782     if ( !m_iconized )
 783     {
 784         // forward WM_SIZE to status bar control
 785 #if wxUSE_NATIVE_STATUSBAR
 786         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 787         {
 788             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 789             event.SetEventObject( m_frameStatusBar );
 790
 791             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 792         }
 793 #endif // wxUSE_NATIVE_STATUSBAR
 794
 795         PositionStatusBar();
 796         PositionToolBar();
 797
 798         wxSizeEvent event(wxSize(x, y), m_windowId);
 799         event.SetEventObject( this );
 800         processed = GetEventHandler()->ProcessEvent(event);
 801     }
 802
 803     return processed;
 804 }
 805
 806 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 807 {
 808     if ( control )
 809     {
 810         // In case it's e.g. a toolbar.
 811         wxWindow *win = wxFindWinFromHandle(control);
 812         if ( win )
 813             return win->MSWCommand(cmd, id);
 814     }
 815
 816     // handle here commands from menus and accelerators
 817     if ( cmd == 0 || cmd == 1 )
 818     {
 819         if ( wxCurrentPopupMenu )
 820         {
 821             wxMenu *popupMenu = wxCurrentPopupMenu;
 822             wxCurrentPopupMenu = NULL;
 823
 824             return popupMenu->MSWCommand(cmd, id);
 825         }
 826
 827         if ( ProcessCommand(id) )
 828         {
 829             return TRUE;
 830         }
 831     }
 832
 833     return FALSE;
 834 }
 835
 836 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 837 {
 838     int item;
 839     if ( flags == 0xFFFF && hMenu == 0 )
 840     {
 841         // menu was removed from screen
 842         item = -1;
 843     }
 844     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 845     {
 846         item = nItem;
 847     }
 848     else
 849     {
 850         // don't give hints for separators (doesn't make sense) nor for the
 851         // items opening popup menus (they don't have them anyhow)
 852         return FALSE;
 853     }
 854
 855     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 856     event.SetEventObject( this );
 857
 858     return GetEventHandler()->ProcessEvent(event);
 859 }
 860
 861 // ---------------------------------------------------------------------------
 862 // the window proc for wxFrame
 863 // ---------------------------------------------------------------------------
 864
 865 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 866 {
 867     long rc = 0;
 868     bool processed = FALSE;
 869
 870     switch ( message )
 871     {
 872         case WM_CLOSE:
 873             // if we can't close, tell the system that we processed the
 874             // message - otherwise it would close us
 875             processed = !Close();
 876             break;
 877
 878         case WM_COMMAND:
 879             {
 880                 WORD id, cmd;
 881                 WXHWND hwnd;
 882                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 883                               &id, &hwnd, &cmd);
 884
 885                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 886             }
 887             break;
 888
 889         case WM_MENUSELECT:
 890             {
 891                 WXWORD item, flags;
 892                 WXHMENU hmenu;
 893                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 894
 895                 processed = HandleMenuSelect(item, flags, hmenu);
 896             }
 897             break;
 898
 899         case WM_PAINT:
 900             processed = HandlePaint();
 901             break;
 902
 903         case WM_QUERYDRAGICON:
 904             {
 905                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 906                                           : (HICON)(m_defaultIcon);
 907                 rc = (long)hIcon;
 908                 processed = rc != 0;
 909             }
 910             break;
 911
 912         case WM_SIZE:
 913             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 914             break;
 915     }
 916
 917     if ( !processed )
 918         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
 919
 920     return rc;
 921 }
 922