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         statusBar->SetFieldsCount(number);
 362     }
 363     else
 364 #endif
 365     {
 366         statusBar = wxFrameBase::OnCreateStatusBar(number, style, id, name);
 367     }
 368
 369     return statusBar;
 370 }
 371
 372 void wxFrame::PositionStatusBar()
 373 {
 374     // native status bar positions itself
 375     if ( m_frameStatusBar
 376 #if wxUSE_NATIVE_STATUSBAR
 377          && !m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))
 378 #endif
 379        )
 380     {
 381         int w, h;
 382         GetClientSize(&w, &h);
 383         int sw, sh;
 384         m_frameStatusBar->GetSize(&sw, &sh);
 385
 386         // Since we wish the status bar to be directly under the client area,
 387         // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 388         m_frameStatusBar->SetSize(0, h, w, sh);
 389     }
 390 }
 391 #endif // wxUSE_STATUSBAR
 392
 393 void wxFrame::DetachMenuBar()
 394 {
 395     if (m_frameMenuBar)
 396     {
 397         m_frameMenuBar->Detach();
 398         m_frameMenuBar = NULL;
 399     }
 400 }
 401
 402 void wxFrame::SetMenuBar(wxMenuBar *menu_bar)
 403 {
 404     if (!menu_bar)
 405     {
 406         DetachMenuBar();
 407         return;
 408     }
 409
 410     m_frameMenuBar = NULL;
 411
 412     // Can set a menubar several times.
 413     // TODO: how to prevent a memory leak if you have a currently-unattached
 414     // menubar? wxWindows assumes that the frame will delete the menu (otherwise
 415     // there are problems for MDI).
 416     if (menu_bar->GetHMenu())
 417     {
 418         m_hMenu = menu_bar->GetHMenu();
 419     }
 420     else
 421     {
 422         menu_bar->Detach();
 423
 424         m_hMenu = menu_bar->Create();
 425
 426         if ( !m_hMenu )
 427             return;
 428     }
 429
 430     InternalSetMenuBar();
 431
 432     m_frameMenuBar = menu_bar;
 433     menu_bar->Attach(this);
 434
 435 #if 0 // Old code that assumes only one call of SetMenuBar per frame.
 436     if (!menu_bar)
 437     {
 438         DetachMenuBar();
 439         return;
 440     }
 441
 442     wxCHECK_RET( !menu_bar->GetFrame(), wxT("this menubar is already attached") );
 443
 444     if (m_frameMenuBar)
 445         delete m_frameMenuBar;
 446
 447     m_hMenu = menu_bar->Create();
 448
 449     if ( !m_hMenu )
 450         return;
 451
 452     InternalSetMenuBar();
 453
 454     m_frameMenuBar = menu_bar;
 455     menu_bar->Attach(this);
 456 #endif
 457 }
 458
 459 void wxFrame::InternalSetMenuBar()
 460 {
 461     if ( !::SetMenu(GetHwnd(), (HMENU)m_hMenu) )
 462     {
 463         wxLogLastError("SetMenu");
 464     }
 465 }
 466
 467 // Responds to colour changes, and passes event on to children.
 468 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 469 {
 470     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 471     Refresh();
 472
 473     if ( m_frameStatusBar )
 474     {
 475         wxSysColourChangedEvent event2;
 476         event2.SetEventObject( m_frameStatusBar );
 477         m_frameStatusBar->GetEventHandler()->ProcessEvent(event2);
 478     }
 479
 480     // Propagate the event to the non-top-level children
 481     wxWindow::OnSysColourChanged(event);
 482 }
 483
 484 /*
 485  * Frame window
 486  *
 487  */
 488
 489 bool wxFrame::MSWCreate(int id, wxWindow *parent, const wxChar *wclass, wxWindow *wx_win, const wxChar *title,
 490                    int x, int y, int width, int height, long style)
 491
 492 {
 493   m_defaultIcon = (WXHICON) (wxSTD_FRAME_ICON ? wxSTD_FRAME_ICON : wxDEFAULT_FRAME_ICON);
 494
 495   // If child windows aren't properly drawn initially, WS_CLIPCHILDREN
 496   // could be the culprit. But without it, you can get a lot of flicker.
 497
 498   DWORD msflags = 0;
 499   if ((style & wxCAPTION) == wxCAPTION)
 500     msflags = WS_OVERLAPPED;
 501   else
 502     msflags = WS_POPUP;
 503
 504   if (style & wxMINIMIZE_BOX)
 505     msflags |= WS_MINIMIZEBOX;
 506   if (style & wxMAXIMIZE_BOX)
 507     msflags |= WS_MAXIMIZEBOX;
 508   if (style & wxTHICK_FRAME)
 509     msflags |= WS_THICKFRAME;
 510   if (style & wxSYSTEM_MENU)
 511     msflags |= WS_SYSMENU;
 512   if ((style & wxMINIMIZE) || (style & wxICONIZE))
 513     msflags |= WS_MINIMIZE;
 514   if (style & wxMAXIMIZE)
 515     msflags |= WS_MAXIMIZE;
 516   if (style & wxCAPTION)
 517     msflags |= WS_CAPTION;
 518   if (style & wxCLIP_CHILDREN)
 519     msflags |= WS_CLIPCHILDREN;
 520
 521   // Keep this in wxFrame because it saves recoding this function
 522   // in wxTinyFrame
 523 #if wxUSE_ITSY_BITSY
 524   if (style & wxTINY_CAPTION_VERT)
 525     msflags |= IBS_VERTCAPTION;
 526   if (style & wxTINY_CAPTION_HORIZ)
 527     msflags |= IBS_HORZCAPTION;
 528 #else
 529   if (style & wxTINY_CAPTION_VERT)
 530     msflags |= WS_CAPTION;
 531   if (style & wxTINY_CAPTION_HORIZ)
 532     msflags |= WS_CAPTION;
 533 #endif
 534   if ((style & wxTHICK_FRAME) == 0)
 535     msflags |= WS_BORDER;
 536
 537   WXDWORD extendedStyle = MakeExtendedStyle(style);
 538
 539 #if !defined(__WIN16__) && !defined(__SC__)
 540   if (style & wxFRAME_TOOL_WINDOW)
 541     extendedStyle |= WS_EX_TOOLWINDOW;
 542 #endif
 543
 544   if (style & wxSTAY_ON_TOP)
 545     extendedStyle |= WS_EX_TOPMOST;
 546
 547   m_iconized = FALSE;
 548   if ( !wxWindow::MSWCreate(id, parent, wclass, wx_win, title, x, y, width, height,
 549          msflags, NULL, extendedStyle) )
 550          return FALSE;
 551
 552   // Seems to be necessary if we use WS_POPUP
 553   // style instead of WS_OVERLAPPED
 554   if (width > -1 && height > -1)
 555     ::PostMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED, MAKELPARAM(width, height));
 556
 557   return TRUE;
 558 }
 559
 560 // Default activation behaviour - set the focus for the first child
 561 // subwindow found.
 562 void wxFrame::OnActivate(wxActivateEvent& event)
 563 {
 564     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 565           node;
 566           node = node->GetNext() )
 567     {
 568         // FIXME all this is totally bogus - we need to do the same as wxPanel,
 569         //       but how to do it without duplicating the code?
 570
 571         // restore focus
 572         wxWindow *child = node->GetData();
 573
 574         if ( !child->IsTopLevel()
 575 #if wxUSE_TOOLBAR
 576              && !wxDynamicCast(child, wxToolBar)
 577 #endif // wxUSE_TOOLBAR
 578 #if wxUSE_STATUSBAR
 579              && !wxDynamicCast(child, wxStatusBar)
 580 #endif // wxUSE_STATUSBAR
 581            )
 582         {
 583             child->SetFocus();
 584             return;
 585         }
 586     }
 587 }
 588
 589 // ----------------------------------------------------------------------------
 590 // wxFrame size management: we exclude the areas taken by menu/status/toolbars
 591 // from the client area, so the client area is what's really available for the
 592 // frame contents
 593 // ----------------------------------------------------------------------------
 594
 595 // Checks if there is a toolbar, and returns the first free client position
 596 wxPoint wxFrame::GetClientAreaOrigin() const
 597 {
 598     wxPoint pt(0, 0);
 599     if (GetToolBar())
 600     {
 601         int w, h;
 602         GetToolBar()->GetSize(& w, & h);
 603
 604         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 605         {
 606             pt.x += w;
 607         }
 608         else
 609         {
 610             pt.y += h;
 611         }
 612     }
 613     return pt;
 614 }
 615
 616 void wxFrame::DoScreenToClient(int *x, int *y) const
 617 {
 618     wxWindow::DoScreenToClient(x, y);
 619
 620     // We may be faking the client origin.
 621     // So a window that's really at (0, 30) may appear
 622     // (to wxWin apps) to be at (0, 0).
 623     wxPoint pt(GetClientAreaOrigin());
 624     *x -= pt.x;
 625     *y -= pt.y;
 626 }
 627
 628 void wxFrame::DoClientToScreen(int *x, int *y) const
 629 {
 630     // We may be faking the client origin.
 631     // So a window that's really at (0, 30) may appear
 632     // (to wxWin apps) to be at (0, 0).
 633     wxPoint pt1(GetClientAreaOrigin());
 634     *x += pt1.x;
 635     *y += pt1.y;
 636
 637     wxWindow::DoClientToScreen(x, y);
 638 }
 639
 640 // ----------------------------------------------------------------------------
 641 // tool/status bar stuff
 642 // ----------------------------------------------------------------------------
 643
 644 #if wxUSE_TOOLBAR
 645
 646 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 647 {
 648     if ( wxFrameBase::CreateToolBar(style, id, name) )
 649     {
 650         PositionToolBar();
 651     }
 652
 653     return m_frameToolBar;
 654 }
 655
 656 void wxFrame::PositionToolBar()
 657 {
 658     RECT rect;
 659     ::GetClientRect(GetHwnd(), &rect);
 660
 661 #if wxUSE_STATUSBAR
 662     if ( GetStatusBar() )
 663     {
 664         int statusX, statusY;
 665         GetStatusBar()->GetClientSize(&statusX, &statusY);
 666         rect.bottom -= statusY;
 667     }
 668 #endif // wxUSE_STATUSBAR
 669
 670     if ( GetToolBar() )
 671     {
 672         int tw, th;
 673         GetToolBar()->GetSize(&tw, &th);
 674
 675         if ( GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL )
 676         {
 677             th = rect.bottom;
 678         }
 679         else
 680         {
 681             tw = rect.right;
 682         }
 683
 684         // Use the 'real' MSW position here
 685         GetToolBar()->SetSize(0, 0, tw, th, wxSIZE_NO_ADJUSTMENTS);
 686     }
 687 }
 688 #endif // wxUSE_TOOLBAR
 689
 690 // ----------------------------------------------------------------------------
 691 // frame state (iconized/maximized/...)
 692 // ----------------------------------------------------------------------------
 693
 694 // propagate our state change to all child frames: this allows us to emulate X
 695 // Windows behaviour where child frames float independently of the parent one
 696 // on the desktop, but are iconized/restored with it
 697 void wxFrame::IconizeChildFrames(bool bIconize)
 698 {
 699     for ( wxWindowList::Node *node = GetChildren().GetFirst();
 700           node;
 701           node = node->GetNext() )
 702     {
 703         wxWindow *win = node->GetData();
 704
 705         if ( win->IsKindOf(CLASSINFO(wxFrame)) )
 706         {
 707             ((wxFrame *)win)->Iconize(bIconize);
 708         }
 709     }
 710 }
 711
 712 // ===========================================================================
 713 // message processing
 714 // ===========================================================================
 715
 716 // ---------------------------------------------------------------------------
 717 // preprocessing
 718 // ---------------------------------------------------------------------------
 719
 720 bool wxFrame::MSWTranslateMessage(WXMSG* pMsg)
 721 {
 722     if ( wxWindow::MSWTranslateMessage(pMsg) )
 723         return TRUE;
 724
 725     // try the menu bar accels
 726     wxMenuBar *menuBar = GetMenuBar();
 727     if ( !menuBar )
 728         return FALSE;
 729
 730     const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
 731     return acceleratorTable.Translate(this, pMsg);
 732 }
 733
 734 // ---------------------------------------------------------------------------
 735 // our private (non virtual) message handlers
 736 // ---------------------------------------------------------------------------
 737
 738 bool wxFrame::HandlePaint()
 739 {
 740     RECT rect;
 741     if ( GetUpdateRect(GetHwnd(), &rect, FALSE) )
 742     {
 743         if ( m_iconized )
 744         {
 745             HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 746                                       : (HICON)m_defaultIcon;
 747
 748             // Hold a pointer to the dc so long as the OnPaint() message
 749             // is being processed
 750             PAINTSTRUCT ps;
 751             HDC hdc = ::BeginPaint(GetHwnd(), &ps);
 752
 753             // Erase background before painting or we get white background
 754             MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);
 755
 756             if ( hIcon )
 757             {
 758                 RECT rect;
 759                 ::GetClientRect(GetHwnd(), &rect);
 760
 761                 // FIXME: why hardcoded?
 762                 static const int icon_width = 32;
 763                 static const int icon_height = 32;
 764
 765                 int icon_x = (int)((rect.right - icon_width)/2);
 766                 int icon_y = (int)((rect.bottom - icon_height)/2);
 767
 768                 ::DrawIcon(hdc, icon_x, icon_y, hIcon);
 769             }
 770
 771             ::EndPaint(GetHwnd(), &ps);
 772
 773             return TRUE;
 774         }
 775         else
 776         {
 777             return wxWindow::HandlePaint();
 778         }
 779     }
 780     else
 781     {
 782         // nothing to paint - processed
 783         return TRUE;
 784     }
 785 }
 786
 787 bool wxFrame::HandleSize(int x, int y, WXUINT id)
 788 {
 789     bool processed = FALSE;
 790
 791     switch ( id )
 792     {
 793         case SIZENORMAL:
 794             // only do it it if we were iconized before, otherwise resizing the
 795             // parent frame has a curious side effect of bringing it under it's
 796             // children
 797             if ( !m_iconized )
 798                 break;
 799
 800             // restore all child frames too
 801             IconizeChildFrames(FALSE);
 802
 803             // fall through
 804
 805         case SIZEFULLSCREEN:
 806             m_iconized = FALSE;
 807             break;
 808
 809         case SIZEICONIC:
 810             // iconize all child frames too
 811             IconizeChildFrames(TRUE);
 812
 813             m_iconized = TRUE;
 814             break;
 815     }
 816
 817     if ( !m_iconized )
 818     {
 819         // forward WM_SIZE to status bar control
 820 #if wxUSE_NATIVE_STATUSBAR
 821         if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95)))
 822         {
 823             wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId());
 824             event.SetEventObject( m_frameStatusBar );
 825
 826             ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event);
 827         }
 828 #endif // wxUSE_NATIVE_STATUSBAR
 829
 830         PositionStatusBar();
 831         PositionToolBar();
 832
 833         wxSizeEvent event(wxSize(x, y), m_windowId);
 834         event.SetEventObject( this );
 835         processed = GetEventHandler()->ProcessEvent(event);
 836     }
 837
 838     return processed;
 839 }
 840
 841 bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 842 {
 843     if ( control )
 844     {
 845         // In case it's e.g. a toolbar.
 846         wxWindow *win = wxFindWinFromHandle(control);
 847         if ( win )
 848             return win->MSWCommand(cmd, id);
 849     }
 850
 851     // handle here commands from menus and accelerators
 852     if ( cmd == 0 || cmd == 1 )
 853     {
 854         if ( wxCurrentPopupMenu )
 855         {
 856             wxMenu *popupMenu = wxCurrentPopupMenu;
 857             wxCurrentPopupMenu = NULL;
 858
 859             return popupMenu->MSWCommand(cmd, id);
 860         }
 861
 862         if ( ProcessCommand(id) )
 863         {
 864             return TRUE;
 865         }
 866     }
 867
 868     return FALSE;
 869 }
 870
 871 bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
 872 {
 873     int item;
 874     if ( flags == 0xFFFF && hMenu == 0 )
 875     {
 876         // menu was removed from screen
 877         item = -1;
 878     }
 879     else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
 880     {
 881         item = nItem;
 882     }
 883     else
 884     {
 885         // don't give hints for separators (doesn't make sense) nor for the
 886         // items opening popup menus (they don't have them anyhow)
 887         return FALSE;
 888     }
 889
 890     wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
 891     event.SetEventObject( this );
 892
 893     return GetEventHandler()->ProcessEvent(event);
 894 }
 895
 896 // ---------------------------------------------------------------------------
 897 // the window proc for wxFrame
 898 // ---------------------------------------------------------------------------
 899
 900 long wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 901 {
 902     long rc = 0;
 903     bool processed = FALSE;
 904
 905     switch ( message )
 906     {
 907         case WM_CLOSE:
 908             // if we can't close, tell the system that we processed the
 909             // message - otherwise it would close us
 910             processed = !Close();
 911             break;
 912
 913         case WM_COMMAND:
 914             {
 915                 WORD id, cmd;
 916                 WXHWND hwnd;
 917                 UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
 918                               &id, &hwnd, &cmd);
 919
 920                 processed = HandleCommand(id, cmd, (WXHWND)hwnd);
 921             }
 922             break;
 923
 924         case WM_MENUSELECT:
 925             {
 926                 WXWORD item, flags;
 927                 WXHMENU hmenu;
 928                 UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
 929
 930                 processed = HandleMenuSelect(item, flags, hmenu);
 931             }
 932             break;
 933
 934         case WM_PAINT:
 935             processed = HandlePaint();
 936             break;
 937
 938         case WM_QUERYDRAGICON:
 939             {
 940                 HICON hIcon = m_icon.Ok() ? GetHiconOf(m_icon)
 941                                           : (HICON)(m_defaultIcon);
 942                 rc = (long)hIcon;
 943                 processed = rc != 0;
 944             }
 945             break;
 946
 947         case WM_SIZE:
 948             processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
 949             break;
 950     }
 951
 952     if ( !processed )
 953         rc = wxWindow::MSWWindowProc(message, wParam, lParam);
 954
 955     return rc;
 956 }
 957