src/gtk/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 #include "wx/frame.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/app.h"
  25     #include "wx/dcclient.h"
  26     #include "wx/menu.h"
  27     #include "wx/dialog.h"
  28     #include "wx/control.h"
  29     #include "wx/toolbar.h"
  30     #include "wx/statusbr.h"
  31 #endif // WX_PRECOMP
  32
  33 #include <glib.h>
  34 #include "wx/gtk/private.h"
  35
  36 #include <gdk/gdkkeysyms.h>
  37 #include <gdk/gdkx.h>
  38
  39 #include "wx/gtk/win_gtk.h"
  40
  41 // ----------------------------------------------------------------------------
  42 // constants
  43 // ----------------------------------------------------------------------------
  44
  45 const int wxSTATUS_HEIGHT  = 25;
  46 const int wxPLACE_HOLDER   = 0;
  47
  48 // ----------------------------------------------------------------------------
  49 // event tables
  50 // ----------------------------------------------------------------------------
  51
  52 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
  53
  54 // ============================================================================
  55 // implementation
  56 // ============================================================================
  57
  58 // ----------------------------------------------------------------------------
  59 // GTK callbacks
  60 // ----------------------------------------------------------------------------
  61
  62 #if wxUSE_MENUS_NATIVE
  63
  64 //-----------------------------------------------------------------------------
  65 // "child_attached" of menu bar
  66 //-----------------------------------------------------------------------------
  67
  68 extern "C" {
  69 static void gtk_menu_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
  70 {
  71     if (!win->m_hasVMT) return;
  72
  73     win->m_menuBarDetached = false;
  74     win->GtkUpdateSize();
  75 }
  76 }
  77
  78 //-----------------------------------------------------------------------------
  79 // "child_detached" of menu bar
  80 //-----------------------------------------------------------------------------
  81
  82 extern "C" {
  83 static void gtk_menu_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
  84 {
  85     if (g_isIdle)
  86         wxapp_install_idle_handler();
  87
  88     if (!win->m_hasVMT) return;
  89
  90     // Raise the client area area
  91     gdk_window_raise( win->m_wxwindow->window );
  92
  93     win->m_menuBarDetached = true;
  94     win->GtkUpdateSize();
  95 }
  96 }
  97
  98 #endif // wxUSE_MENUS_NATIVE
  99
 100 #if wxUSE_TOOLBAR
 101 //-----------------------------------------------------------------------------
 102 // "child_attached" of tool bar
 103 //-----------------------------------------------------------------------------
 104
 105 extern "C" {
 106 static void gtk_toolbar_attached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 107 {
 108     if (!win->m_hasVMT) return;
 109
 110     win->m_toolBarDetached = false;
 111     win->GtkUpdateSize();
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "child_detached" of tool bar
 117 //-----------------------------------------------------------------------------
 118
 119 extern "C" {
 120 static void gtk_toolbar_detached_callback( GtkWidget *WXUNUSED(widget), GtkWidget *WXUNUSED(child), wxFrame *win )
 121 {
 122     if (g_isIdle)
 123         wxapp_install_idle_handler();
 124
 125     if (!win->m_hasVMT) return;
 126
 127     // Raise the client area area
 128     gdk_window_raise( win->m_wxwindow->window );
 129
 130     win->m_toolBarDetached = true;
 131     win->GtkUpdateSize();
 132 }
 133 }
 134 #endif // wxUSE_TOOLBAR
 135
 136
 137 // ----------------------------------------------------------------------------
 138 // wxFrame itself
 139 // ----------------------------------------------------------------------------
 140
 141 //-----------------------------------------------------------------------------
 142 // InsertChild for wxFrame
 143 //-----------------------------------------------------------------------------
 144
 145 /* Callback for wxFrame. This very strange beast has to be used because
 146  * C++ has no virtual methods in a constructor. We have to emulate a
 147  * virtual function here as wxWidgets requires different ways to insert
 148  * a child in container classes. */
 149
 150 static void wxInsertChildInFrame( wxFrame* parent, wxWindow* child )
 151 {
 152     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 153
 154     if (!parent->m_insertInClientArea)
 155     {
 156         // These are outside the client area
 157         wxFrame* frame = (wxFrame*) parent;
 158         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 159                          GTK_WIDGET(child->m_widget),
 160                          child->m_x,
 161                          child->m_y,
 162                          child->m_width,
 163                          child->m_height );
 164
 165 #if wxUSE_TOOLBAR_NATIVE
 166         // We connect to these events for recalculating the client area
 167         // space when the toolbar is floating
 168         if (wxIS_KIND_OF(child,wxToolBar))
 169         {
 170             wxToolBar *toolBar = (wxToolBar*) child;
 171             if (toolBar->GetWindowStyle() & wxTB_DOCKABLE)
 172             {
 173                 g_signal_connect (toolBar->m_widget, "child_attached",
 174                                   G_CALLBACK (gtk_toolbar_attached_callback),
 175                                   parent);
 176                 g_signal_connect (toolBar->m_widget, "child_detached",
 177                                   G_CALLBACK (gtk_toolbar_detached_callback),
 178                                   parent);
 179             }
 180         }
 181 #endif // wxUSE_TOOLBAR
 182     }
 183     else
 184     {
 185         // These are inside the client area
 186         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 187                          GTK_WIDGET(child->m_widget),
 188                          child->m_x,
 189                          child->m_y,
 190                          child->m_width,
 191                          child->m_height );
 192     }
 193 }
 194
 195 // ----------------------------------------------------------------------------
 196 // wxFrame creation
 197 // ----------------------------------------------------------------------------
 198
 199 void wxFrame::Init()
 200 {
 201     m_menuBarDetached = false;
 202     m_toolBarDetached = false;
 203     m_menuBarHeight = 2;
 204 }
 205
 206 bool wxFrame::Create( wxWindow *parent,
 207                       wxWindowID id,
 208                       const wxString& title,
 209                       const wxPoint& pos,
 210                       const wxSize& sizeOrig,
 211                       long style,
 212                       const wxString &name )
 213 {
 214     bool rt = wxTopLevelWindow::Create(parent, id, title, pos, sizeOrig,
 215                                        style, name);
 216     m_insertCallback = (wxInsertChildFunction) wxInsertChildInFrame;
 217
 218     return rt;
 219 }
 220
 221 wxFrame::~wxFrame()
 222 {
 223     m_isBeingDeleted = true;
 224     DeleteAllBars();
 225 }
 226
 227 // ----------------------------------------------------------------------------
 228 // overridden wxWindow methods
 229 // ----------------------------------------------------------------------------
 230
 231 void wxFrame::DoGetClientSize( int *width, int *height ) const
 232 {
 233     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 234
 235     wxTopLevelWindow::DoGetClientSize( width, height );
 236
 237     if (height)
 238     {
 239 #if wxUSE_MENUS_NATIVE
 240         // menu bar
 241         if (m_frameMenuBar)
 242         {
 243             if (!m_menuBarDetached)
 244                 (*height) -= m_menuBarHeight;
 245             else
 246                 (*height) -= wxPLACE_HOLDER;
 247         }
 248 #endif // wxUSE_MENUS_NATIVE
 249
 250 #if wxUSE_STATUSBAR
 251         // status bar
 252         if (m_frameStatusBar && m_frameStatusBar->IsShown())
 253             (*height) -= wxSTATUS_HEIGHT;
 254 #endif // wxUSE_STATUSBAR
 255
 256 #if wxUSE_TOOLBAR
 257         // tool bar
 258         if (m_frameToolBar && m_frameToolBar->IsShown())
 259         {
 260             if (m_toolBarDetached)
 261             {
 262                 *height -= wxPLACE_HOLDER;
 263             }
 264             else
 265             {
 266                 int x, y;
 267                 m_frameToolBar->GetSize( &x, &y );
 268                 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 269                 {
 270                     *width -= x;
 271                 }
 272                 else
 273                 {
 274                     *height -= y;
 275                 }
 276             }
 277         }
 278 #endif // wxUSE_TOOLBAR
 279     }
 280 }
 281
 282 void wxFrame::DoSetClientSize( int width, int height )
 283 {
 284     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 285
 286 #if wxUSE_MENUS_NATIVE
 287         // menu bar
 288         if (m_frameMenuBar)
 289         {
 290             if (!m_menuBarDetached)
 291                 height += m_menuBarHeight;
 292             else
 293                 height += wxPLACE_HOLDER;
 294         }
 295 #endif // wxUSE_MENUS_NATIVE
 296
 297 #if wxUSE_STATUSBAR
 298         // status bar
 299         if (m_frameStatusBar && m_frameStatusBar->IsShown()) height += wxSTATUS_HEIGHT;
 300 #endif
 301
 302 #if wxUSE_TOOLBAR
 303         // tool bar
 304         if (m_frameToolBar && m_frameToolBar->IsShown())
 305         {
 306             if (m_toolBarDetached)
 307             {
 308                 height += wxPLACE_HOLDER;
 309             }
 310             else
 311             {
 312                 int x, y;
 313                 m_frameToolBar->GetSize( &x, &y );
 314                 if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 315                 {
 316                     width += x;
 317                 }
 318                 else
 319                 {
 320                     height += y;
 321                 }
 322             }
 323         }
 324 #endif
 325
 326     wxTopLevelWindow::DoSetClientSize( width, height );
 327 }
 328
 329 void wxFrame::GtkOnSize()
 330 {
 331     // avoid recursions
 332     if (m_resizing) return;
 333     m_resizing = true;
 334
 335     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
 336     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 337
 338     // space occupied by m_frameToolBar and m_frameMenuBar
 339     int client_area_x_offset = 0,
 340         client_area_y_offset = 0;
 341
 342     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 343        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 344        set in wxFrame::Create so it is used to check what kind of frame we
 345        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 346        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 347        importantly) m_mainWidget */
 348
 349     int minWidth = GetMinWidth(),
 350         minHeight = GetMinHeight(),
 351         maxWidth = GetMaxWidth(),
 352         maxHeight = GetMaxHeight();
 353
 354     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 355     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 356     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 357     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 358
 359     if (m_mainWidget)
 360     {
 361         // set size hints
 362         gint flag = 0; // GDK_HINT_POS;
 363         if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 364         if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 365         GdkGeometry geom;
 366         geom.min_width = minWidth;
 367         geom.min_height = minHeight;
 368         geom.max_width = maxWidth;
 369         geom.max_height = maxHeight;
 370         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 371                                        (GtkWidget*) NULL,
 372                                        &geom,
 373                                        (GdkWindowHints) flag );
 374
 375         // I revert back to wxGTK's original behaviour. m_mainWidget holds
 376         // the menubar, the toolbar and the client area, which is represented
 377         // by m_wxwindow.
 378         // This hurts in the eye, but I don't want to call SetSize()
 379         // because I don't want to call any non-native functions here.
 380
 381 #if wxUSE_MENUS_NATIVE
 382         if (m_frameMenuBar)
 383         {
 384             int xx = m_miniEdge;
 385             int yy = m_miniEdge + m_miniTitle;
 386             int ww = m_width  - 2*m_miniEdge;
 387             if (ww < 0)
 388                 ww = 0;
 389             int hh = m_menuBarHeight;
 390             if (m_menuBarDetached) hh = wxPLACE_HOLDER;
 391             m_frameMenuBar->m_x = xx;
 392             m_frameMenuBar->m_y = yy;
 393             m_frameMenuBar->m_width = ww;
 394             m_frameMenuBar->m_height = hh;
 395             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 396                                   m_frameMenuBar->m_widget,
 397                                   xx, yy, ww, hh );
 398             client_area_y_offset += hh;
 399         }
 400 #endif // wxUSE_MENUS_NATIVE
 401
 402 #if wxUSE_TOOLBAR
 403         if ((m_frameToolBar) && m_frameToolBar->IsShown() &&
 404             (m_frameToolBar->m_widget->parent == m_mainWidget))
 405         {
 406             int xx = m_miniEdge;
 407             int yy = m_miniEdge + m_miniTitle;
 408 #if wxUSE_MENUS_NATIVE
 409             if (m_frameMenuBar)
 410             {
 411                 if (!m_menuBarDetached)
 412                     yy += m_menuBarHeight;
 413                 else
 414                     yy += wxPLACE_HOLDER;
 415             }
 416 #endif // wxUSE_MENUS_NATIVE
 417
 418             m_frameToolBar->m_x = xx;
 419             m_frameToolBar->m_y = yy;
 420
 421             // don't change the toolbar's reported height/width
 422             int ww, hh;
 423             if ( m_frameToolBar->GetWindowStyle() & wxTB_VERTICAL )
 424             {
 425                 ww = m_toolBarDetached ? wxPLACE_HOLDER
 426                                        : m_frameToolBar->m_width;
 427                 hh = m_height - 2*m_miniEdge;
 428                 if (hh < 0)
 429                     hh = 0;
 430
 431                 client_area_x_offset += ww;
 432             }
 433             else
 434             {
 435                 ww = m_width - 2*m_miniEdge;
 436                 hh = m_toolBarDetached ? wxPLACE_HOLDER
 437                                        : m_frameToolBar->m_height;
 438
 439                 client_area_y_offset += hh;
 440             }
 441
 442             gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 443                                   m_frameToolBar->m_widget,
 444                                   xx, yy, ww, hh );
 445         }
 446 #endif // wxUSE_TOOLBAR
 447
 448         int client_x = client_area_x_offset + m_miniEdge;
 449         int client_y = client_area_y_offset + m_miniEdge + m_miniTitle;
 450         int client_w = m_width - client_area_x_offset - 2*m_miniEdge;
 451         int client_h = m_height - client_area_y_offset- 2*m_miniEdge - m_miniTitle;
 452         if (client_w < 0)
 453             client_w = 0;
 454         if (client_h < 0)
 455             client_h = 0;
 456         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 457                               m_wxwindow,
 458                               client_x, client_y, client_w, client_h );
 459     }
 460     else
 461     {
 462         // If there is no m_mainWidget between m_widget and m_wxwindow there
 463         // is no need to set the size or position of m_wxwindow.
 464     }
 465
 466 #if wxUSE_STATUSBAR
 467     if (m_frameStatusBar && m_frameStatusBar->IsShown())
 468     {
 469         int xx = 0 + m_miniEdge;
 470         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge - client_area_y_offset;
 471         int ww = m_width - 2*m_miniEdge;
 472         if (ww < 0)
 473             ww = 0;
 474         int hh = wxSTATUS_HEIGHT;
 475         m_frameStatusBar->m_x = xx;
 476         m_frameStatusBar->m_y = yy;
 477         m_frameStatusBar->m_width = ww;
 478         m_frameStatusBar->m_height = hh;
 479         gtk_pizza_set_size( GTK_PIZZA(m_wxwindow),
 480                             m_frameStatusBar->m_widget,
 481                             xx, yy, ww, hh );
 482     }
 483 #endif // wxUSE_STATUSBAR
 484
 485     m_sizeSet = true;
 486
 487     // send size event to frame
 488     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 489     event.SetEventObject( this );
 490     GetEventHandler()->ProcessEvent( event );
 491
 492 #if wxUSE_STATUSBAR
 493     // send size event to status bar
 494     if (m_frameStatusBar)
 495     {
 496         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 497         event2.SetEventObject( m_frameStatusBar );
 498         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 499     }
 500 #endif // wxUSE_STATUSBAR
 501
 502     m_resizing = false;
 503 }
 504
 505 void wxFrame::OnInternalIdle()
 506 {
 507     wxFrameBase::OnInternalIdle();
 508
 509 #if wxUSE_MENUS_NATIVE
 510     if (m_frameMenuBar) m_frameMenuBar->OnInternalIdle();
 511 #endif // wxUSE_MENUS_NATIVE
 512 #if wxUSE_TOOLBAR
 513     if (m_frameToolBar) m_frameToolBar->OnInternalIdle();
 514 #endif
 515 #if wxUSE_STATUSBAR
 516     if (m_frameStatusBar)
 517     {
 518         m_frameStatusBar->OnInternalIdle();
 519
 520         // There may be controls in the status bar that
 521         // need to be updated
 522         for ( wxWindowList::compatibility_iterator node = m_frameStatusBar->GetChildren().GetFirst();
 523           node;
 524           node = node->GetNext() )
 525         {
 526             wxWindow *child = node->GetData();
 527             child->OnInternalIdle();
 528         }
 529     }
 530 #endif
 531 }
 532
 533 // ----------------------------------------------------------------------------
 534 // menu/tool/status bar stuff
 535 // ----------------------------------------------------------------------------
 536
 537 #if wxUSE_MENUS_NATIVE
 538
 539 void wxFrame::DetachMenuBar()
 540 {
 541     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 542     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 543
 544     if ( m_frameMenuBar )
 545     {
 546         m_frameMenuBar->UnsetInvokingWindow( this );
 547
 548         if (m_frameMenuBar->GetWindowStyle() & wxMB_DOCKABLE)
 549         {
 550             g_signal_handlers_disconnect_by_func (m_frameMenuBar->m_widget,
 551                     (gpointer) gtk_menu_attached_callback,
 552                     this);
 553
 554             g_signal_handlers_disconnect_by_func (m_frameMenuBar->m_widget,
 555                     (gpointer) gtk_menu_detached_callback,
 556                     this);
 557         }
 558
 559         gtk_widget_ref( m_frameMenuBar->m_widget );
 560
 561         gtk_container_remove( GTK_CONTAINER(m_mainWidget), m_frameMenuBar->m_widget );
 562     }
 563
 564     wxFrameBase::DetachMenuBar();
 565 }
 566
 567 void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
 568 {
 569     wxFrameBase::AttachMenuBar(menuBar);
 570
 571     if (m_frameMenuBar)
 572     {
 573         m_frameMenuBar->SetInvokingWindow( this );
 574
 575         m_frameMenuBar->SetParent(this);
 576         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 577                 m_frameMenuBar->m_widget,
 578                 m_frameMenuBar->m_x,
 579                 m_frameMenuBar->m_y,
 580                 m_frameMenuBar->m_width,
 581                 m_frameMenuBar->m_height );
 582
 583         if (menuBar->GetWindowStyle() & wxMB_DOCKABLE)
 584         {
 585             g_signal_connect (menuBar->m_widget, "child_attached",
 586                               G_CALLBACK (gtk_menu_attached_callback),
 587                               this);
 588             g_signal_connect (menuBar->m_widget, "child_detached",
 589                               G_CALLBACK (gtk_menu_detached_callback),
 590                               this);
 591         }
 592
 593         gtk_widget_show( m_frameMenuBar->m_widget );
 594
 595         UpdateMenuBarSize();
 596     }
 597     else
 598     {
 599         m_menuBarHeight = 2;
 600         GtkUpdateSize();        // resize window in OnInternalIdle
 601     }
 602 }
 603
 604 void wxFrame::UpdateMenuBarSize()
 605 {
 606     GtkRequisition  req;
 607
 608     req.width = 2;
 609     req.height = 2;
 610
 611     // this is called after Remove with a NULL m_frameMenuBar
 612     if ( m_frameMenuBar )
 613         (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_frameMenuBar->m_widget) )->size_request )
 614             (m_frameMenuBar->m_widget, &req );
 615
 616     m_menuBarHeight = req.height;
 617
 618     // resize window in OnInternalIdle
 619
 620     GtkUpdateSize();
 621 }
 622
 623 #endif // wxUSE_MENUS_NATIVE
 624
 625 #if wxUSE_TOOLBAR
 626
 627 wxToolBar* wxFrame::CreateToolBar( long style, wxWindowID id, const wxString& name )
 628 {
 629     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 630
 631     m_insertInClientArea = false;
 632
 633     m_frameToolBar = wxFrameBase::CreateToolBar( style, id, name );
 634
 635     m_insertInClientArea = true;
 636
 637     GtkUpdateSize();
 638
 639     return m_frameToolBar;
 640 }
 641
 642 void wxFrame::SetToolBar(wxToolBar *toolbar)
 643 {
 644     bool hadTbar = m_frameToolBar != NULL;
 645
 646     wxFrameBase::SetToolBar(toolbar);
 647
 648     if ( m_frameToolBar )
 649     {
 650         // insert into toolbar area if not already there
 651         if ((m_frameToolBar->m_widget->parent) &&
 652             (m_frameToolBar->m_widget->parent != m_mainWidget))
 653         {
 654             GetChildren().DeleteObject( m_frameToolBar );
 655
 656             gtk_widget_reparent( m_frameToolBar->m_widget, m_mainWidget );
 657             GtkUpdateSize();
 658         }
 659     }
 660     else // toolbar unset
 661     {
 662         // still need to update size if it had been there before
 663         if ( hadTbar )
 664         {
 665             GtkUpdateSize();
 666         }
 667     }
 668 }
 669
 670 #endif // wxUSE_TOOLBAR
 671
 672 #if wxUSE_STATUSBAR
 673
 674 wxStatusBar* wxFrame::CreateStatusBar(int number,
 675                                       long style,
 676                                       wxWindowID id,
 677                                       const wxString& name)
 678 {
 679     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 680
 681     // because it will change when toolbar is added
 682     GtkUpdateSize();
 683
 684     return wxFrameBase::CreateStatusBar( number, style, id, name );
 685 }
 686
 687 void wxFrame::SetStatusBar(wxStatusBar *statbar)
 688 {
 689     bool hadStatBar = m_frameStatusBar != NULL;
 690
 691     wxFrameBase::SetStatusBar(statbar);
 692
 693     if (hadStatBar && !m_frameStatusBar)
 694         GtkUpdateSize();
 695 }
 696
 697 void wxFrame::PositionStatusBar()
 698 {
 699     if ( !m_frameStatusBar )
 700         return;
 701
 702     GtkUpdateSize();
 703 }
 704 #endif // wxUSE_STATUSBAR