src/gtk1/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "frame.h"
  12 #endif
  13
  14 #include "wx/frame.h"
  15 #include "wx/dialog.h"
  16 #include "wx/control.h"
  17 #include "wx/app.h"
  18 #include "wx/menu.h"
  19 #include "wx/toolbar.h"
  20 #include "wx/statusbr.h"
  21 #include "wx/dcclient.h"
  22
  23 #include "glib.h"
  24 #include "gdk/gdk.h"
  25 #include "gtk/gtk.h"
  26 #include "wx/gtk/win_gtk.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // constants
  30 //-----------------------------------------------------------------------------
  31
  32 const int wxMENU_HEIGHT    = 27;
  33 const int wxSTATUS_HEIGHT  = 25;
  34
  35 //-----------------------------------------------------------------------------
  36 // data
  37 //-----------------------------------------------------------------------------
  38
  39 extern wxList wxTopLevelWindows;
  40 extern wxList wxPendingDelete;
  41
  42 //-----------------------------------------------------------------------------
  43 // "size_allocate"
  44 //-----------------------------------------------------------------------------
  45
  46 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  47 {
  48     if (!win->HasVMT()) return;
  49
  50 /*
  51     printf( "OnFrameResize from " );
  52     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  53         printf( win->GetClassInfo()->GetClassName() );
  54     printf( ".\n" );
  55 */
  56
  57    if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  58    {
  59        win->m_sizeSet = FALSE;
  60        win->m_width = alloc->width;
  61        win->m_height = alloc->height;
  62    }
  63 }
  64
  65 //-----------------------------------------------------------------------------
  66 // "delete_event"
  67 //-----------------------------------------------------------------------------
  68
  69 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  70 {
  71 /*
  72     printf( "OnDelete from " );
  73     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  74         printf( win->GetClassInfo()->GetClassName() );
  75     printf( ".\n" );
  76 */
  77
  78     win->Close();
  79
  80     return TRUE;
  81 }
  82
  83 //-----------------------------------------------------------------------------
  84 // "configure_event"
  85 //-----------------------------------------------------------------------------
  86
  87 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
  88 {
  89     if (!win->HasVMT()) return FALSE;
  90
  91     win->m_x = event->x;
  92     win->m_y = event->y;
  93
  94     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
  95     mevent.SetEventObject( win );
  96     win->GetEventHandler()->ProcessEvent( mevent );
  97
  98     return FALSE;
  99 }
 100
 101 //-----------------------------------------------------------------------------
 102 // wxFrame
 103 //-----------------------------------------------------------------------------
 104
 105 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
 106     EVT_SIZE(wxFrame::OnSize)
 107     EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
 108 END_EVENT_TABLE()
 109
 110 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
 111
 112 wxFrame::wxFrame()
 113 {
 114     m_frameMenuBar = (wxMenuBar *) NULL;
 115     m_frameStatusBar = (wxStatusBar *) NULL;
 116     m_frameToolBar = (wxToolBar *) NULL;
 117     m_sizeSet = FALSE;
 118     m_miniEdge = 0;
 119     m_miniTitle = 0;
 120 }
 121
 122 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 123       const wxPoint &pos, const wxSize &size,
 124       long style, const wxString &name )
 125 {
 126     m_frameMenuBar = (wxMenuBar *) NULL;
 127     m_frameStatusBar = (wxStatusBar *) NULL;
 128     m_frameToolBar = (wxToolBar *) NULL;
 129     m_sizeSet = FALSE;
 130     m_miniEdge = 0;
 131     m_miniTitle = 0;
 132     Create( parent, id, title, pos, size, style, name );
 133 }
 134
 135 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 136       const wxPoint &pos, const wxSize &size,
 137       long style, const wxString &name )
 138 {
 139     wxTopLevelWindows.Append( this );
 140
 141     m_needParent = FALSE;
 142
 143     PreCreation( parent, id, pos, size, style, name );
 144
 145     m_title = title;
 146
 147     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 148     if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
 149
 150     m_widget = gtk_window_new( win_type );
 151
 152 #ifdef __WXDEBUG__
 153         debug_focus_in( m_widget, "wxFrame::m_widget", name );
 154 #endif
 155
 156     if ((size.x != -1) && (size.y != -1))
 157         gtk_widget_set_usize( m_widget, m_width, m_height );
 158     if ((pos.x != -1) && (pos.y != -1))
 159         gtk_widget_set_uposition( m_widget, m_x, m_y );
 160
 161     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 162     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 163
 164     gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL );
 165
 166     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 167         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 168
 169     m_wxwindow = gtk_myfixed_new();
 170     gtk_widget_show( m_wxwindow );
 171     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 172
 173 #ifdef __WXDEBUG__
 174         debug_focus_in( m_wxwindow, "wxFrame::m_wxwindow", name );
 175 #endif
 176
 177     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 178
 179     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 180         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 181
 182     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 183         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 184
 185     if (m_parent) m_parent->AddChild( this );
 186
 187     PostCreation();
 188
 189     return TRUE;
 190 }
 191
 192 wxFrame::~wxFrame()
 193 {
 194     if (m_frameMenuBar) delete m_frameMenuBar;
 195     if (m_frameStatusBar) delete m_frameStatusBar;
 196     if (m_frameToolBar) delete m_frameToolBar;
 197
 198     wxTopLevelWindows.DeleteObject( this );
 199
 200     if (wxTheApp->GetTopWindow() == this)
 201     {
 202         wxTheApp->SetTopWindow( (wxWindow*) NULL );
 203     }
 204
 205     if (wxTopLevelWindows.Number() == 0)
 206     {
 207         wxTheApp->ExitMainLoop();
 208     }
 209 }
 210
 211 bool wxFrame::Show( bool show )
 212 {
 213     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 214
 215     if (show && !m_sizeSet)
 216     {
 217   // by calling GtkOnSize here, we don't have to call
 218   // either after showing the frame, which would entail
 219   // much ugly flicker nor from within the size_allocate
 220   // handler, because GTK 1.1.X forbids that.
 221
 222         GtkOnSize( m_x, m_y, m_width, m_height );
 223     }
 224
 225     return wxWindow::Show( show );
 226 }
 227
 228 bool wxFrame::Destroy()
 229 {
 230     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 231
 232     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 233
 234     return TRUE;
 235 }
 236
 237 wxPoint wxFrame::GetClientAreaOrigin() const
 238 {
 239     wxPoint pt( m_miniEdge, m_miniEdge + m_miniTitle );
 240     if (m_frameMenuBar)
 241     {
 242         int h = 0;
 243         m_frameMenuBar->GetSize( (int*)NULL, &h );
 244         pt.y += h;
 245     }
 246     if (m_frameToolBar)
 247     {
 248         int h = 0;
 249         m_frameToolBar->GetSize( (int*)NULL, &h );
 250         pt.y += h;
 251     }
 252     return pt;
 253 }
 254
 255 void wxFrame::SetSize( int x, int y, int width, int height, int sizeFlags )
 256 {
 257     wxASSERT_MSG( (m_widget != NULL), "invalid window" );
 258
 259     // Don't do anything for children of wxMDIChildFrame
 260     if (!m_wxwindow) return;
 261
 262     if (m_resizing) return; // I don't like recursions
 263     m_resizing = TRUE;
 264
 265     int old_x = m_x;
 266     int old_y = m_y;
 267     int old_width = m_width;
 268     int old_height = m_height;
 269
 270     if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
 271     {
 272         if (x != -1) m_x = x;
 273         if (y != -1) m_y = y;
 274         if (width != -1) m_width = width;
 275         if (height != -1) m_height = height;
 276     }
 277     else
 278     {
 279         m_x = x;
 280         m_y = y;
 281         m_width = width;
 282         m_height = height;
 283     }
 284
 285     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 286     {
 287         if (width == -1) m_width = 80;
 288     }
 289
 290     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 291     {
 292        if (height == -1) m_height = 26;
 293     }
 294
 295     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 296     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 297     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 298     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 299
 300     if ((m_x != -1) || (m_y != -1))
 301     {
 302         if ((m_x != old_x) || (m_y != old_y))
 303             gtk_widget_set_uposition( m_widget, m_x, m_y );
 304     }
 305
 306     if ((m_width != old_width) || (m_height != old_height))
 307     {
 308        gtk_widget_set_usize( m_widget, m_width, m_height );
 309     }
 310
 311     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 312     event.SetEventObject( this );
 313     GetEventHandler()->ProcessEvent( event );
 314
 315     m_resizing = FALSE;
 316 }
 317
 318 void wxFrame::SetSize( int width, int height )
 319 {
 320     SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING );
 321 }
 322
 323 void wxFrame::Centre( int direction )
 324 {
 325     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 326
 327     int x = 0;
 328     int y = 0;
 329
 330     if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
 331     if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
 332
 333     Move( x, y );
 334 }
 335
 336 void wxFrame::GetClientSize( int *width, int *height ) const
 337 {
 338     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 339
 340     wxWindow::GetClientSize( width, height );
 341     if (height)
 342     {
 343         if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 344         if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 345         if (m_frameToolBar)
 346         {
 347             int y = 0;
 348             m_frameToolBar->GetSize( (int *) NULL, &y );
 349             (*height) -= y;
 350         }
 351         (*height) -= m_miniEdge*2 + m_miniTitle;
 352     }
 353     if (width)
 354     {
 355         (*width) -= m_miniEdge*2;
 356     }
 357 }
 358
 359 void wxFrame::SetClientSize( int const width, int const height )
 360 {
 361     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 362
 363     int h = height;
 364     if (m_frameMenuBar) h += wxMENU_HEIGHT;
 365     if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 366     if (m_frameToolBar)
 367     {
 368         int y = 0;
 369         m_frameToolBar->GetSize( (int *) NULL, &y );
 370         h += y;
 371     }
 372     wxWindow::SetClientSize( width + m_miniEdge*2, h  + m_miniEdge*2 + m_miniTitle );
 373 }
 374
 375 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 376 {
 377     // due to a bug in gtk, x,y are always 0
 378     // m_x = x;
 379     // m_y = y;
 380
 381     if (m_resizing) return;
 382     m_resizing = TRUE;
 383
 384     if (!m_wxwindow) return;
 385
 386     m_width = width;
 387     m_height = height;
 388
 389     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 390     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 391     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth;
 392     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight;
 393
 394     gtk_widget_set_usize( m_widget, m_width, m_height );
 395
 396     // this emulates the new wxMSW behaviour of placing all
 397     // frame-subwindows (menu, toolbar..) on one native window
 398         // OK, this hurts in the eye, but I don't want to call SetSize()
 399         // because I don't want to call any non-native functions here.
 400
 401     if (m_frameMenuBar)
 402     {
 403         int xx = m_miniEdge;
 404         int yy = m_miniEdge + m_miniTitle;
 405         int ww = m_width  - 2*m_miniEdge;
 406         int hh = wxMENU_HEIGHT;
 407         m_frameMenuBar->m_x = xx;
 408         m_frameMenuBar->m_y = yy;
 409         m_frameMenuBar->m_width = ww;
 410         m_frameMenuBar->m_height = hh;
 411
 412         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameMenuBar->m_widget, xx, yy );
 413         gtk_widget_set_usize( m_frameMenuBar->m_widget, ww, hh );
 414     }
 415
 416     if (m_frameToolBar)
 417     {
 418         int xx = m_miniEdge;
 419         int yy = m_miniEdge + m_miniTitle;
 420         if (m_frameMenuBar) yy += wxMENU_HEIGHT;
 421         int ww = m_width - 2*m_miniEdge;
 422         int hh = m_frameToolBar->m_height;
 423
 424         m_frameToolBar->m_x = xx;
 425         m_frameToolBar->m_y = yy;
 426         m_frameToolBar->m_height = hh;
 427         m_frameToolBar->m_width = ww;
 428
 429         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameToolBar->m_widget, xx, yy );
 430         gtk_widget_set_usize( m_frameToolBar->m_widget, ww, hh );
 431     }
 432
 433     if (m_frameStatusBar)
 434     {
 435         int xx = 0 + m_miniEdge;
 436         int yy = m_height - wxSTATUS_HEIGHT - m_miniEdge;
 437         int ww = m_width - 2*m_miniEdge;
 438         int hh = wxSTATUS_HEIGHT;
 439
 440         m_frameStatusBar->m_x = xx;
 441         m_frameStatusBar->m_y = yy;
 442         m_frameStatusBar->m_width = ww;
 443         m_frameStatusBar->m_height = hh;
 444
 445         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, xx, yy );
 446         gtk_widget_set_usize( m_frameStatusBar->m_widget, ww, hh );
 447     }
 448
 449     m_sizeSet = TRUE;
 450
 451     /* send size event to frame */
 452
 453     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 454     event.SetEventObject( this );
 455     GetEventHandler()->ProcessEvent( event );
 456
 457     /* send size event to status bar */
 458
 459     if (m_frameStatusBar)
 460     {
 461         wxSizeEvent event2( wxSize(m_frameStatusBar->m_width,m_frameStatusBar->m_height), m_frameStatusBar->GetId() );
 462         event2.SetEventObject( m_frameStatusBar );
 463         m_frameStatusBar->GetEventHandler()->ProcessEvent( event2 );
 464     }
 465
 466     m_resizing = FALSE;
 467 }
 468
 469 void wxFrame::OnInternalIdle()
 470 {
 471     if (!m_sizeSet)
 472         GtkOnSize( m_x, m_y, m_width, m_height );
 473
 474     DoMenuUpdates();
 475 }
 476
 477 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 478 {
 479     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 480
 481     if (GetAutoLayout())
 482     {
 483         Layout();
 484     }
 485     else
 486     {
 487         // no child: go out !
 488         if (!GetChildren().First()) return;
 489
 490         // do we have exactly one child?
 491         wxWindow *child = (wxWindow *) NULL;
 492         for(wxNode *node = GetChildren().First(); node; node = node->Next())
 493         {
 494             wxWindow *win = (wxWindow *)node->Data();
 495             if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog)
 496 #if 0  // not in m_children anyway ?
 497               && (win != m_frameMenuBar) &&
 498               (win != m_frameToolBar) &&
 499               (win != m_frameStatusBar)
 500 #endif
 501             )
 502             {
 503           // it's the second one: do nothing
 504                 if (child) return;
 505                 child = win;
 506             }
 507         }
 508
 509         // yes: set it's size to fill all the frame
 510         int client_x, client_y;
 511         GetClientSize( &client_x, &client_y );
 512         child->SetSize( 1, 1, client_x-2, client_y-2 );
 513     }
 514 }
 515
 516 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 517 {
 518     menu->SetInvokingWindow( win );
 519     wxNode *node = menu->m_items.First();
 520     while (node)
 521     {
 522         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 523         if (menuitem->IsSubMenu())
 524             SetInvokingWindow( menuitem->GetSubMenu(), win );
 525         node = node->Next();
 526     }
 527 }
 528
 529 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 530 {
 531     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 532     wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
 533
 534     m_frameMenuBar = menuBar;
 535
 536     if (m_frameMenuBar)
 537     {
 538         wxNode *node = m_frameMenuBar->m_menus.First();
 539         while (node)
 540         {
 541             wxMenu *menu = (wxMenu*)node->Data();
 542             SetInvokingWindow( menu, this );
 543             node = node->Next();
 544         }
 545
 546         if (m_frameMenuBar->m_parent != this)
 547         {
 548             m_frameMenuBar->m_parent = this;
 549             gtk_myfixed_put( GTK_MYFIXED(m_wxwindow),
 550                 m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 551         }
 552     }
 553
 554     m_sizeSet = FALSE;
 555 }
 556
 557 wxMenuBar *wxFrame::GetMenuBar() const
 558 {
 559     return m_frameMenuBar;
 560 }
 561
 562 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 563 {
 564     if (GetStatusBar())
 565     {
 566         if (event.GetMenuId() == -1)
 567         {
 568             SetStatusText("");
 569         }
 570         else
 571         {
 572             wxMenuBar *menuBar = GetMenuBar();
 573             if (menuBar)
 574             {
 575                 int menuId = event.GetMenuId();
 576                 wxString helpString;
 577                 helpString = menuBar->GetHelpString(menuId);
 578                 if (helpString != "")
 579                     SetStatusText(helpString);
 580             }
 581         }
 582     }
 583 }
 584
 585 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 586 {
 587     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 588
 589     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 590
 591     m_frameToolBar = OnCreateToolBar( style, id, name );
 592
 593     GetChildren().DeleteObject( m_frameToolBar );
 594
 595     m_sizeSet = FALSE;
 596
 597     return m_frameToolBar;
 598 }
 599
 600 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 601 {
 602     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 603 }
 604
 605 wxToolBar *wxFrame::GetToolBar() const
 606 {
 607     return m_frameToolBar;
 608 }
 609
 610 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 611 {
 612     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 613
 614     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 615
 616     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 617
 618     m_sizeSet = FALSE;
 619
 620     return m_frameStatusBar;
 621 }
 622
 623 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 624 {
 625     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 626
 627     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 628
 629     // Set the height according to the font and the border size
 630     wxClientDC dc(statusBar);
 631     dc.SetFont( statusBar->GetFont() );
 632
 633     long x, y;
 634     dc.GetTextExtent( "X", &x, &y );
 635
 636     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 637
 638     statusBar->SetSize( -1, -1, 100, height );
 639
 640     statusBar->SetFieldsCount( number );
 641     return statusBar;
 642 }
 643
 644 void wxFrame::SetStatusText(const wxString& text, int number)
 645 {
 646     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 647
 648     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 649
 650     m_frameStatusBar->SetStatusText(text, number);
 651 }
 652
 653 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 654 {
 655     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 656
 657     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 658
 659     m_frameStatusBar->SetStatusWidths(n, widths_field);
 660 }
 661
 662 wxStatusBar *wxFrame::GetStatusBar() const
 663 {
 664     return m_frameStatusBar;
 665 }
 666
 667 void wxFrame::SetTitle( const wxString &title )
 668 {
 669     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 670
 671     m_title = title;
 672     if (m_title.IsNull()) m_title = "";
 673     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 674 }
 675
 676 void wxFrame::SetIcon( const wxIcon &icon )
 677 {
 678     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 679
 680     m_icon = icon;
 681     if (!icon.Ok()) return;
 682
 683     wxMask *mask = icon.GetMask();
 684     GdkBitmap *bm = (GdkBitmap *) NULL;
 685     if (mask) bm = mask->GetBitmap();
 686
 687     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 688 }
 689