src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/toplevel.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 // For compilers that support precompilation, includes "wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __VMS
  22 #define XIconifyWindow XICONIFYWINDOW
  23 #endif
  24
  25 #include "wx/defs.h"
  26
  27 #include "wx/toplevel.h"
  28 #include "wx/log.h"
  29 #include "wx/dialog.h"
  30 #include "wx/control.h"
  31 #include "wx/app.h"
  32 #include "wx/dcclient.h"
  33 #include "wx/gtk/private.h"
  34 #include "wx/timer.h"
  35 #include "wx/settings.h"
  36 #include "wx/evtloop.h"
  37
  38 #include <glib.h>
  39 #include <gdk/gdk.h>
  40 #include <gtk/gtk.h>
  41 #include <gdk/gdkkeysyms.h>
  42 #include <gdk/gdkx.h>
  43
  44 #include "wx/gtk/win_gtk.h"
  45
  46 #include "wx/unix/utilsx11.h"
  47
  48 // XA_CARDINAL
  49 #include <X11/Xatom.h>
  50
  51 // ----------------------------------------------------------------------------
  52 // idle system
  53 // ----------------------------------------------------------------------------
  54
  55 extern void wxapp_install_idle_handler();
  56 extern bool g_isIdle;
  57
  58 // ----------------------------------------------------------------------------
  59 // data
  60 // ----------------------------------------------------------------------------
  61
  62 extern wxList           wxPendingDelete;
  63
  64 extern int              g_openDialogs;
  65 extern wxWindowGTK     *g_delayedFocus;
  66
  67 // the frame that is currently active (i.e. its child has focus). It is
  68 // used to generate wxActivateEvents
  69 static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
  70 static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
  71
  72 // if we detect that the app has got/lost the focus, we set this variable to
  73 // either TRUE or FALSE and an activate event will be sent during the next
  74 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  75 // send any activate events at all
  76 static int g_sendActivateEvent = -1;
  77
  78 //-----------------------------------------------------------------------------
  79 // RequestUserAttention related functions
  80 //-----------------------------------------------------------------------------
  81
  82 extern "C" {
  83 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  84                                            gboolean setting)
  85 {
  86     wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
  87     GdkWindow *window = GTK_WIDGET(win)->window;
  88     XWMHints *wm_hints;
  89
  90     wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
  91
  92     if (!wm_hints)
  93         wm_hints = XAllocWMHints();
  94
  95     if (setting)
  96         wm_hints->flags |= XUrgencyHint;
  97     else
  98         wm_hints->flags &= ~XUrgencyHint;
  99
 100     XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
 101     XFree(wm_hints);
 102 }
 103
 104 static gint gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 105 {
 106 #if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,7,0)
 107     if(!gtk_check_version(2,7,0))
 108         gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 109     else
 110 #endif
 111         wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 112
 113     win->m_urgency_hint = -2;
 114     return FALSE;
 115 }
 116 }
 117
 118 //-----------------------------------------------------------------------------
 119 // "focus_in_event"
 120 //-----------------------------------------------------------------------------
 121
 122 extern "C" {
 123 static gint gtk_frame_focus_in_callback( GtkWidget *widget,
 124                                          GdkEvent *WXUNUSED(event),
 125                                          wxTopLevelWindowGTK *win )
 126 {
 127     if (g_isIdle)
 128         wxapp_install_idle_handler();
 129
 130     switch ( g_sendActivateEvent )
 131     {
 132         case -1:
 133             // we've got focus from outside, synthetize wxActivateEvent
 134             g_sendActivateEvent = 1;
 135             break;
 136
 137         case 0:
 138             // another our window just lost focus, it was already ours before
 139             // - don't send any wxActivateEvent
 140             g_sendActivateEvent = -1;
 141             break;
 142     }
 143
 144     g_activeFrame = win;
 145     g_lastActiveFrame = g_activeFrame;
 146
 147     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 148
 149     // MR: wxRequestUserAttention related block
 150     switch( win->m_urgency_hint )
 151     {
 152         default:
 153             gtk_timeout_remove( win->m_urgency_hint );
 154             // no break, fallthrough to remove hint too
 155         case -1:
 156 #if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,7,0)
 157             if(!gtk_check_version(2,7,0))
 158                 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 159             else
 160 #endif
 161             {
 162                 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 163             }
 164
 165             win->m_urgency_hint = -2;
 166             break;
 167
 168         case -2: break;
 169     }
 170
 171     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 172     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 173     event.SetEventObject(g_activeFrame);
 174     g_activeFrame->GetEventHandler()->ProcessEvent(event);
 175
 176     return FALSE;
 177 }
 178 }
 179
 180 //-----------------------------------------------------------------------------
 181 // "focus_out_event"
 182 //-----------------------------------------------------------------------------
 183
 184 extern "C" {
 185 static gint gtk_frame_focus_out_callback( GtkWidget *widget,
 186                                           GdkEventFocus *WXUNUSED(gdk_event),
 187                                           wxTopLevelWindowGTK *win )
 188 {
 189     if (g_isIdle)
 190         wxapp_install_idle_handler();
 191
 192     // if the focus goes out of our app alltogether, OnIdle() will send
 193     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 194     // g_sendActivateEvent to -1
 195     g_sendActivateEvent = 0;
 196
 197     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 198
 199     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 200
 201     if (g_activeFrame)
 202     {
 203         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 204         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 205         event.SetEventObject(g_activeFrame);
 206         g_activeFrame->GetEventHandler()->ProcessEvent(event);
 207
 208         g_activeFrame = NULL;
 209     }
 210
 211     return FALSE;
 212 }
 213 }
 214
 215 //-----------------------------------------------------------------------------
 216 // "focus" from m_window
 217 //-----------------------------------------------------------------------------
 218
 219 extern "C" {
 220 static gint gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
 221 {
 222     if (g_isIdle)
 223         wxapp_install_idle_handler();
 224
 225     // This disables GTK's tab traversal
 226     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
 227     return TRUE;
 228 }
 229 }
 230
 231 //-----------------------------------------------------------------------------
 232 // "size_allocate"
 233 //-----------------------------------------------------------------------------
 234
 235 extern "C" {
 236 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxTopLevelWindowGTK *win )
 237 {
 238     if (g_isIdle)
 239         wxapp_install_idle_handler();
 240
 241     if (!win->m_hasVMT)
 242         return;
 243
 244     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
 245     {
 246 /*
 247         wxPrintf( "OnSize from " );
 248         if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
 249            wxPrintf( win->GetClassInfo()->GetClassName() );
 250         wxPrintf( " %d %d %d %d\n", (int)alloc->x,
 251                                 (int)alloc->y,
 252                                 (int)alloc->width,
 253                                 (int)alloc->height );
 254 */
 255
 256         win->m_width = alloc->width;
 257         win->m_height = alloc->height;
 258         win->GtkUpdateSize();
 259     }
 260 }
 261 }
 262
 263 //-----------------------------------------------------------------------------
 264 // "delete_event"
 265 //-----------------------------------------------------------------------------
 266
 267 extern "C" {
 268 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxTopLevelWindowGTK *win )
 269 {
 270     if (g_isIdle)
 271         wxapp_install_idle_handler();
 272
 273     if (win->IsEnabled() &&
 274         (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 275          win->IsGrabbed()))
 276         win->Close();
 277
 278     return TRUE;
 279 }
 280 }
 281
 282
 283 //-----------------------------------------------------------------------------
 284 // "configure_event"
 285 //-----------------------------------------------------------------------------
 286
 287 extern "C" {
 288 static gint
 289 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxTopLevelWindowGTK *win )
 290 {
 291     if (g_isIdle)
 292         wxapp_install_idle_handler();
 293
 294     if (!win->m_hasVMT || !win->IsShown())
 295         return FALSE;
 296
 297
 298     int x = 0;
 299     int y = 0;
 300     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 301     win->m_x = x;
 302     win->m_y = y;
 303
 304     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 305     mevent.SetEventObject( win );
 306     win->GetEventHandler()->ProcessEvent( mevent );
 307
 308     return FALSE;
 309 }
 310 }
 311
 312 //-----------------------------------------------------------------------------
 313 // "realize" from m_widget
 314 //-----------------------------------------------------------------------------
 315
 316 // we cannot MWM hints and icons before the widget has been realized,
 317 // so we do this directly after realization
 318
 319 extern "C" {
 320 static void
 321 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 322                              wxTopLevelWindowGTK *win )
 323 {
 324     if (g_isIdle)
 325         wxapp_install_idle_handler();
 326
 327     // All this is for Motif Window Manager "hints" and is supposed to be
 328     // recognized by other WM as well. Not tested.
 329     gdk_window_set_decorations(win->m_widget->window,
 330                                (GdkWMDecoration)win->m_gdkDecor);
 331     gdk_window_set_functions(win->m_widget->window,
 332                                (GdkWMFunction)win->m_gdkFunc);
 333
 334     // GTK's shrinking/growing policy
 335     if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
 336         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 337     else
 338         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 339
 340     // reset the icon
 341     wxIconBundle iconsOld = win->GetIcons();
 342     if ( iconsOld.GetIcon(-1).Ok() )
 343     {
 344         win->SetIcon( wxNullIcon );
 345         win->SetIcons( iconsOld );
 346     }
 347 }
 348 }
 349
 350 //-----------------------------------------------------------------------------
 351 // "map_event" from m_widget
 352 //-----------------------------------------------------------------------------
 353
 354 extern "C" {
 355 static void
 356 gtk_frame_map_callback( GtkWidget * WXUNUSED(widget),
 357                         GdkEvent * WXUNUSED(event),
 358                         wxTopLevelWindow *win )
 359 {
 360     win->SetIconizeState(false);
 361 }
 362 }
 363
 364 //-----------------------------------------------------------------------------
 365 // "unmap_event" from m_widget
 366 //-----------------------------------------------------------------------------
 367
 368 extern "C" {
 369 static void
 370 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 371                           GdkEvent * WXUNUSED(event),
 372                           wxTopLevelWindow *win )
 373 {
 374     win->SetIconizeState(true);
 375 }
 376 }
 377
 378 //-----------------------------------------------------------------------------
 379 // "expose_event" of m_client
 380 //-----------------------------------------------------------------------------
 381
 382 extern "C" {
 383 static int gtk_window_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 384 {
 385     GtkPizza *pizza = GTK_PIZZA(widget);
 386
 387     gtk_paint_flat_box (win->m_widget->style,
 388                         pizza->bin_window, GTK_STATE_NORMAL,
 389                         GTK_SHADOW_NONE,
 390                         &gdk_event->area,
 391                         win->m_widget,
 392                         (char *)"base",
 393                         0, 0, -1, -1);
 394
 395     return FALSE;
 396 }
 397 }
 398
 399 // ----------------------------------------------------------------------------
 400 // wxTopLevelWindowGTK itself
 401 // ----------------------------------------------------------------------------
 402
 403 //-----------------------------------------------------------------------------
 404 // InsertChild for wxTopLevelWindowGTK
 405 //-----------------------------------------------------------------------------
 406
 407 /* Callback for wxTopLevelWindowGTK. This very strange beast has to be used because
 408  * C++ has no virtual methods in a constructor. We have to emulate a
 409  * virtual function here as wxWidgets requires different ways to insert
 410  * a child in container classes. */
 411
 412 static void wxInsertChildInTopLevelWindow( wxTopLevelWindowGTK* parent, wxWindow* child )
 413 {
 414     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 415
 416     if (!parent->m_insertInClientArea)
 417     {
 418         // these are outside the client area
 419         wxTopLevelWindowGTK* frame = (wxTopLevelWindowGTK*) parent;
 420         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 421                          GTK_WIDGET(child->m_widget),
 422                          child->m_x,
 423                          child->m_y,
 424                          child->m_width,
 425                          child->m_height );
 426     }
 427     else
 428     {
 429         // these are inside the client area
 430         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 431                          GTK_WIDGET(child->m_widget),
 432                          child->m_x,
 433                          child->m_y,
 434                          child->m_width,
 435                          child->m_height );
 436     }
 437
 438     // resize on OnInternalIdle
 439     parent->GtkUpdateSize();
 440 }
 441
 442 // ----------------------------------------------------------------------------
 443 // wxTopLevelWindowGTK creation
 444 // ----------------------------------------------------------------------------
 445
 446 void wxTopLevelWindowGTK::Init()
 447 {
 448     m_sizeSet = false;
 449     m_miniEdge = 0;
 450     m_miniTitle = 0;
 451     m_mainWidget = (GtkWidget*) NULL;
 452     m_insertInClientArea = true;
 453     m_isIconized = false;
 454     m_fsIsShowing = false;
 455     m_themeEnabled = true;
 456     m_gdkDecor = m_gdkFunc = 0;
 457     m_grabbed = false;
 458
 459     m_urgency_hint = -2;
 460 }
 461
 462 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 463                                   wxWindowID id,
 464                                   const wxString& title,
 465                                   const wxPoint& pos,
 466                                   const wxSize& sizeOrig,
 467                                   long style,
 468                                   const wxString &name )
 469 {
 470     // always create a frame of some reasonable, even if arbitrary, size (at
 471     // least for MSW compatibility)
 472     wxSize size = sizeOrig;
 473     size.x = WidthDefault(size.x);
 474     size.y = HeightDefault(size.y);
 475
 476     wxTopLevelWindows.Append( this );
 477
 478     m_needParent = false;
 479
 480     if (!PreCreation( parent, pos, size ) ||
 481         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 482     {
 483         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 484         return false;
 485     }
 486
 487     m_title = title;
 488
 489     m_insertCallback = (wxInsertChildFunction) wxInsertChildInTopLevelWindow;
 490
 491     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 492     //     e.g. in wxTaskBarIconAreaGTK
 493     if (m_widget == NULL)
 494     {
 495         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 496         {
 497             m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 498             // Tell WM that this is a dialog window and make it center
 499             // on parent by default (this is what GtkDialog ctor does):
 500             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 501                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 502             gtk_window_set_position(GTK_WINDOW(m_widget),
 503                                     GTK_WIN_POS_CENTER_ON_PARENT);
 504         }
 505         else
 506         {
 507             m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 508 #if GTK_CHECK_VERSION(2,1,0)
 509             if (!gtk_check_version(2,1,0))
 510             {
 511                 if (style & wxFRAME_TOOL_WINDOW)
 512                 {
 513                     gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 514                                              GDK_WINDOW_TYPE_HINT_UTILITY);
 515
 516                     // On some WMs, like KDE, a TOOL_WINDOW will still show
 517                     // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 518                     // For consistency between WMs and with Windows, we
 519                     // should set the NO_TASKBAR flag which will apply
 520                     // the set_skip_taskbar_hint if it is available,
 521                     // ensuring no taskbar entry will appear.
 522                     style |= wxFRAME_NO_TASKBAR;
 523                 }
 524             }
 525 #endif
 526         }
 527     }
 528
 529     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 530     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 531                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 532                        (style & wxFRAME_FLOAT_ON_PARENT)))
 533     {
 534         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 535                                       GTK_WINDOW(topParent->m_widget) );
 536     }
 537
 538 #if GTK_CHECK_VERSION(2,2,0)
 539     if (!gtk_check_version(2,2,0))
 540     {
 541         if (style & wxFRAME_NO_TASKBAR)
 542         {
 543             gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 544         }
 545     }
 546 #endif
 547
 548 #ifdef __WXGTK24__
 549     if (!gtk_check_version(2,4,0))
 550     {
 551         if (style & wxSTAY_ON_TOP)
 552         {
 553             gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 554         }
 555     }
 556 #endif
 557
 558     if (!name.empty())
 559         gtk_window_set_wmclass( GTK_WINDOW(m_widget), wxGTK_CONV( name ), wxGTK_CONV( name ) );
 560
 561     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 562     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 563
 564     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 565         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 566
 567     // m_mainWidget holds the toolbar, the menubar and the client area
 568     m_mainWidget = gtk_pizza_new();
 569     gtk_widget_show( m_mainWidget );
 570     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 571     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 572
 573     if (m_miniEdge == 0) // wxMiniFrame has its own version.
 574     {
 575        // For m_mainWidget themes
 576        gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 577                 GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
 578     }
 579
 580     // m_wxwindow only represents the client area without toolbar and menubar
 581     m_wxwindow = gtk_pizza_new();
 582     gtk_widget_show( m_wxwindow );
 583     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 584
 585     // we donm't allow the frame to get the focus as otherwise
 586     // the frame will grab it at arbitrary focus changes
 587     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 588
 589     if (m_parent) m_parent->AddChild( this );
 590
 591     // the user resized the frame by dragging etc.
 592     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 593         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 594
 595     PostCreation();
 596
 597     if ((m_x != -1) || (m_y != -1))
 598         gtk_widget_set_uposition( m_widget, m_x, m_y );
 599
 600     gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 601
 602     //  we cannot set MWM hints and icons before the widget has
 603     //  been realized, so we do this directly after realization
 604     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 605                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 606
 607     // map and unmap for iconized state
 608     gtk_signal_connect( GTK_OBJECT(m_widget), "map_event",
 609         GTK_SIGNAL_FUNC(gtk_frame_map_callback), (gpointer)this );
 610     gtk_signal_connect( GTK_OBJECT(m_widget), "unmap_event",
 611         GTK_SIGNAL_FUNC(gtk_frame_unmap_callback), (gpointer)this );
 612
 613     // the only way to get the window size is to connect to this event
 614     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 615         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 616
 617     // disable native tab traversal
 618     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 619         GTK_SIGNAL_FUNC(gtk_frame_focus_callback), (gpointer)this );
 620
 621     // activation
 622     gtk_signal_connect( GTK_OBJECT(m_widget), "focus_in_event",
 623         GTK_SIGNAL_FUNC(gtk_frame_focus_in_callback), (gpointer)this );
 624     gtk_signal_connect( GTK_OBJECT(m_widget), "focus_out_event",
 625         GTK_SIGNAL_FUNC(gtk_frame_focus_out_callback), (gpointer)this );
 626
 627     // decorations
 628     if ((m_miniEdge > 0) || (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 629     {
 630         m_gdkDecor = 0;
 631         m_gdkFunc = 0;
 632     }
 633     else
 634     {
 635         m_gdkDecor = (long) GDK_DECOR_BORDER;
 636         m_gdkFunc = (long) GDK_FUNC_MOVE;
 637
 638         // All this is for Motif Window Manager "hints" and is supposed to be
 639         // recognized by other WMs as well.
 640         if ((style & wxCAPTION) != 0)
 641         {
 642             m_gdkDecor |= GDK_DECOR_TITLE;
 643         }
 644         if ((style & wxCLOSE_BOX) != 0)
 645         {
 646             m_gdkFunc |= GDK_FUNC_CLOSE;
 647         }
 648         if ((style & wxSYSTEM_MENU) != 0)
 649         {
 650             m_gdkDecor |= GDK_DECOR_MENU;
 651         }
 652         if ((style & wxMINIMIZE_BOX) != 0)
 653         {
 654             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 655             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 656         }
 657         if ((style & wxMAXIMIZE_BOX) != 0)
 658         {
 659             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 660             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 661         }
 662         if ((style & wxRESIZE_BORDER) != 0)
 663         {
 664            m_gdkFunc |= GDK_FUNC_RESIZE;
 665            m_gdkDecor |= GDK_DECOR_RESIZEH;
 666         }
 667     }
 668
 669     return true;
 670 }
 671
 672 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 673 {
 674     if (m_grabbed)
 675     {
 676         wxASSERT_MSG( false, _T("Window still grabbed"));
 677         RemoveGrab();
 678     }
 679
 680     m_isBeingDeleted = true;
 681
 682     // it may also be GtkScrolledWindow in the case of an MDI child
 683     if (GTK_IS_WINDOW(m_widget))
 684     {
 685         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 686     }
 687
 688     if (g_activeFrame == this)
 689         g_activeFrame = NULL;
 690     if (g_lastActiveFrame == this)
 691         g_lastActiveFrame = NULL;
 692 }
 693
 694
 695
 696 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long style )
 697 {
 698     if (show == m_fsIsShowing)
 699         return false; // return what?
 700
 701     m_fsIsShowing = show;
 702
 703     wxX11FullScreenMethod method =
 704         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 705                                  (WXWindow)GDK_ROOT_WINDOW());
 706
 707 #if GTK_CHECK_VERSION(2,2,0)
 708     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 709     //     to switch to fullscreen, which is not always available. We must
 710     //     check if WM supports the spec and use legacy methods if it
 711     //     doesn't.
 712     if ( (method == wxX11_FS_WMSPEC) && !gtk_check_version(2,2,0) )
 713     {
 714         if (show)
 715             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 716         else
 717             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 718     }
 719     else
 720 #endif // GTK+ >= 2.2.0
 721     {
 722         GdkWindow *window = m_widget->window;
 723
 724         if (show)
 725         {
 726             m_fsSaveFlag = style;
 727             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 728             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 729
 730             int screen_width,screen_height;
 731             wxDisplaySize( &screen_width, &screen_height );
 732
 733             gint client_x, client_y, root_x, root_y;
 734             gint width, height;
 735
 736             if (method != wxX11_FS_WMSPEC)
 737             {
 738                 // don't do it always, Metacity hates it
 739                 m_fsSaveGdkFunc = m_gdkFunc;
 740                 m_fsSaveGdkDecor = m_gdkDecor;
 741                 m_gdkFunc = m_gdkDecor = 0;
 742                 gdk_window_set_decorations(window, (GdkWMDecoration)0);
 743                 gdk_window_set_functions(window, (GdkWMFunction)0);
 744             }
 745
 746             gdk_window_get_origin (m_widget->window, &root_x, &root_y);
 747             gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
 748                          &width, &height, NULL);
 749
 750             gdk_window_move_resize (m_widget->window, -client_x, -client_y,
 751                         screen_width + 1, screen_height + 1);
 752
 753             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 754                                     (WXWindow)GDK_ROOT_WINDOW(),
 755                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 756                                     show, &m_fsSaveFrame, method);
 757         }
 758         else // hide
 759         {
 760             if (method != wxX11_FS_WMSPEC)
 761             {
 762                 // don't do it always, Metacity hates it
 763                 m_gdkFunc = m_fsSaveGdkFunc;
 764                 m_gdkDecor = m_fsSaveGdkDecor;
 765                 gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 766                 gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 767             }
 768
 769             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 770                                     (WXWindow)GDK_ROOT_WINDOW(),
 771                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 772                                     show, &m_fsSaveFrame, method);
 773
 774             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 775                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 776         }
 777     }
 778
 779     // documented behaviour is to show the window if it's still hidden when
 780     // showing it full screen
 781     if ( show && !IsShown() )
 782         Show();
 783
 784     return true;
 785 }
 786
 787 // ----------------------------------------------------------------------------
 788 // overridden wxWindow methods
 789 // ----------------------------------------------------------------------------
 790
 791 bool wxTopLevelWindowGTK::Show( bool show )
 792 {
 793     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 794
 795     if (show && !m_sizeSet)
 796     {
 797         /* by calling GtkOnSize here, we don't have to call
 798            either after showing the frame, which would entail
 799            much ugly flicker or from within the size_allocate
 800            handler, because GTK 1.1.X forbids that. */
 801
 802         GtkOnSize( m_x, m_y, m_width, m_height );
 803     }
 804
 805     if (show)
 806         gtk_widget_set_uposition( m_widget, m_x, m_y );
 807
 808     return wxWindow::Show( show );
 809 }
 810
 811 void wxTopLevelWindowGTK::Raise()
 812 {
 813     gtk_window_present( GTK_WINDOW( m_widget ) );
 814 }
 815
 816 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 817 {
 818     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 819 }
 820
 821 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 822 {
 823     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 824
 825     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
 826     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 827
 828     // avoid recursions
 829     if (m_resizing)
 830         return;
 831     m_resizing = true;
 832
 833     int old_x = m_x;
 834     int old_y = m_y;
 835
 836     int old_width = m_width;
 837     int old_height = m_height;
 838
 839     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 840     {
 841         if (x != -1) m_x = x;
 842         if (y != -1) m_y = y;
 843     }
 844     else
 845     {
 846         m_x = x;
 847         m_y = y;
 848     }
 849     if (width != -1) m_width = width;
 850     if (height != -1) m_height = height;
 851
 852 /*
 853     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 854     {
 855         if (width == -1) m_width = 80;
 856     }
 857
 858     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 859     {
 860        if (height == -1) m_height = 26;
 861     }
 862 */
 863
 864     int minWidth = GetMinWidth(),
 865         minHeight = GetMinHeight(),
 866         maxWidth = GetMaxWidth(),
 867         maxHeight = GetMaxHeight();
 868
 869 #ifdef __WXGPE__
 870     // GPE's window manager doesn't like size hints
 871     // at all, esp. when the user has to use the
 872     // virtual keyboard.
 873     minWidth = -1;
 874     minHeight = -1;
 875     maxWidth = -1;
 876     maxHeight = -1;
 877 #endif
 878
 879     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 880     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 881     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 882     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 883
 884     if ((m_x != -1) || (m_y != -1))
 885     {
 886         if ((m_x != old_x) || (m_y != old_y))
 887         {
 888             gtk_widget_set_uposition( m_widget, m_x, m_y );
 889         }
 890     }
 891
 892     if ((m_width != old_width) || (m_height != old_height))
 893     {
 894         if (m_widget->window)
 895             gdk_window_resize( m_widget->window, m_width, m_height );
 896         else
 897             gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 898
 899         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 900            done either directly before the frame is shown or in idle time
 901            so that different calls to SetSize() don't lead to flicker. */
 902         m_sizeSet = false;
 903     }
 904
 905     m_resizing = false;
 906 }
 907
 908 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 909 {
 910     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 911
 912     wxWindow::DoGetClientSize( width, height );
 913     if (height)
 914     {
 915         // mini edge
 916         *height -= m_miniEdge*2 + m_miniTitle;
 917     }
 918     if (width)
 919     {
 920         *width -= m_miniEdge*2;
 921     }
 922 }
 923
 924 void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
 925 {
 926     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 927
 928     DoSetSize(-1, -1,
 929               width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0);
 930 }
 931
 932 void wxTopLevelWindowGTK::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 933                                      int width, int height )
 934 {
 935     // due to a bug in gtk, x,y are always 0
 936     // m_x = x;
 937     // m_y = y;
 938
 939     // avoid recursions
 940     if (m_resizing) return;
 941     m_resizing = true;
 942
 943     if ( m_wxwindow == NULL ) return;
 944
 945     m_width = width;
 946     m_height = height;
 947
 948     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 949        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 950        set in wxFrame::Create so it is used to check what kind of frame we
 951        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 952        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 953        importantly) m_mainWidget */
 954
 955     int minWidth = GetMinWidth(),
 956         minHeight = GetMinHeight(),
 957         maxWidth = GetMaxWidth(),
 958         maxHeight = GetMaxHeight();
 959
 960 #ifdef __WXGPE__
 961     // GPE's window manager doesn't like size hints
 962     // at all, esp. when the user has to use the
 963     // virtual keyboard.
 964     minWidth = -1;
 965     minHeight = -1;
 966     maxWidth = -1;
 967     maxHeight = -1;
 968 #endif
 969
 970     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 971     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 972     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 973     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 974
 975     if (m_mainWidget)
 976     {
 977         // set size hints
 978         gint            flag = 0; // GDK_HINT_POS;
 979         GdkGeometry     geom;
 980
 981         if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 982         if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 983
 984         geom.min_width = minWidth;
 985         geom.min_height = minHeight;
 986
 987             // Because of the way we set GDK_HINT_MAX_SIZE above, if either of
 988             // maxHeight or maxWidth is set, we must set them both, else the
 989             // remaining -1 will be taken literally.
 990
 991             // I'm certain this also happens elsewhere, and is the probable
 992             // cause of other such things as:
 993             // Gtk-WARNING **: gtk_widget_size_allocate():
 994             //       attempt to allocate widget with width 65535 and height 600
 995             // but I don't have time to track them all now..
 996             //
 997             // Really we need to encapulate all this height/width business and
 998             // stop any old method from ripping at the members directly and
 999             // scattering -1's without regard for who might resolve them later.
1000
1001         geom.max_width = ( maxHeight == -1 ) ? maxWidth
1002                          : ( maxWidth == -1 ) ? wxGetDisplaySize().GetWidth()
1003                            : maxWidth ;
1004
1005         geom.max_height = ( maxWidth == -1 ) ? maxHeight    // ( == -1 here )
1006                           : ( maxHeight == -1 ) ? wxGetDisplaySize().GetHeight()
1007                             : maxHeight ;
1008
1009         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
1010                                        (GtkWidget*) NULL,
1011                                        &geom,
1012                                        (GdkWindowHints) flag );
1013
1014         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
1015          * menubar, the toolbar and the client area, which is represented by
1016          * m_wxwindow.
1017          * this hurts in the eye, but I don't want to call SetSize()
1018          * because I don't want to call any non-native functions here. */
1019
1020         int client_x = m_miniEdge;
1021         int client_y = m_miniEdge + m_miniTitle;
1022         int client_w = m_width - 2*m_miniEdge;
1023         int client_h = m_height - 2*m_miniEdge - m_miniTitle;
1024
1025         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
1026                               m_wxwindow,
1027                               client_x, client_y, client_w, client_h );
1028     }
1029     else
1030     {
1031         // If there is no m_mainWidget between m_widget and m_wxwindow there
1032         // is no need to set the size or position of m_wxwindow.
1033     }
1034
1035     m_sizeSet = true;
1036
1037     // send size event to frame
1038     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
1039     event.SetEventObject( this );
1040     GetEventHandler()->ProcessEvent( event );
1041
1042     m_resizing = false;
1043 }
1044
1045 void wxTopLevelWindowGTK::OnInternalIdle()
1046 {
1047     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
1048     {
1049         GtkOnSize( m_x, m_y, m_width, m_height );
1050
1051         // we'll come back later
1052         if (g_isIdle)
1053             wxapp_install_idle_handler();
1054         return;
1055     }
1056
1057     // set the focus if not done yet and if we can already do it
1058     if ( GTK_WIDGET_REALIZED(m_wxwindow) )
1059     {
1060         if ( g_delayedFocus &&
1061              wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
1062         {
1063             wxLogTrace(_T("focus"),
1064                        _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
1065                        g_delayedFocus->GetClassInfo()->GetClassName(),
1066                        g_delayedFocus->GetLabel().c_str());
1067
1068             g_delayedFocus->SetFocus();
1069             g_delayedFocus = NULL;
1070         }
1071     }
1072
1073     wxWindow::OnInternalIdle();
1074
1075     // Synthetize activate events.
1076     if ( g_sendActivateEvent != -1 )
1077     {
1078         bool activate = g_sendActivateEvent != 0;
1079
1080         // if (!activate) wxPrintf( wxT("de") );
1081         // wxPrintf( wxT("activate\n") );
1082
1083         // do it only once
1084         g_sendActivateEvent = -1;
1085
1086         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1087     }
1088 }
1089
1090 // ----------------------------------------------------------------------------
1091 // frame title/icon
1092 // ----------------------------------------------------------------------------
1093
1094 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1095 {
1096     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1097
1098     if ( title == m_title )
1099         return;
1100
1101     m_title = title;
1102
1103     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1104 }
1105
1106 void wxTopLevelWindowGTK::SetIcon( const wxIcon &icon )
1107 {
1108     SetIcons( wxIconBundle( icon ) );
1109 }
1110
1111 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1112 {
1113     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1114
1115     wxTopLevelWindowBase::SetIcons( icons );
1116
1117     GList *list = NULL;
1118     size_t max = icons.m_icons.GetCount();
1119
1120     for (size_t i = 0; i < max; i++)
1121     {
1122         if (icons.m_icons[i].Ok())
1123         {
1124             list = g_list_prepend(list, icons.m_icons[i].GetPixbuf());
1125         }
1126     }
1127     gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1128     g_list_free(list);
1129 }
1130
1131 // ----------------------------------------------------------------------------
1132 // frame state: maximized/iconized/normal
1133 // ----------------------------------------------------------------------------
1134
1135 void wxTopLevelWindowGTK::Maximize(bool maximize)
1136 {
1137     if (maximize)
1138         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1139     else
1140         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1141 }
1142
1143 bool wxTopLevelWindowGTK::IsMaximized() const
1144 {
1145     if(!m_widget->window)
1146         return false;
1147
1148     return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1149 }
1150
1151 void wxTopLevelWindowGTK::Restore()
1152 {
1153     // "Present" seems similar enough to "restore"
1154     gtk_window_present( GTK_WINDOW( m_widget ) );
1155 }
1156
1157 void wxTopLevelWindowGTK::Iconize( bool iconize )
1158 {
1159     if (iconize)
1160         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1161     else
1162         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1163 }
1164
1165 bool wxTopLevelWindowGTK::IsIconized() const
1166 {
1167     return m_isIconized;
1168 }
1169
1170 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1171 {
1172     if ( iconize != m_isIconized )
1173     {
1174         m_isIconized = iconize;
1175         (void)SendIconizeEvent(iconize);
1176     }
1177 }
1178
1179 void wxTopLevelWindowGTK::AddGrab()
1180 {
1181     if (!m_grabbed)
1182     {
1183         m_grabbed = true;
1184         gtk_grab_add( m_widget );
1185         wxEventLoop().Run();
1186         gtk_grab_remove( m_widget );
1187     }
1188 }
1189
1190 void wxTopLevelWindowGTK::RemoveGrab()
1191 {
1192     if (m_grabbed)
1193     {
1194         gtk_main_quit();
1195         m_grabbed = false;
1196     }
1197 }
1198
1199
1200 // helper
1201 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1202 {
1203     if (window)
1204     {
1205         if (region.IsEmpty())
1206         {
1207             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1208         }
1209         else
1210         {
1211             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1212             return true;
1213         }
1214     }
1215     return false;
1216 }
1217
1218
1219 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1220 {
1221     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1222                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1223
1224     GdkWindow *window = NULL;
1225     if (m_wxwindow)
1226     {
1227         window = GTK_PIZZA(m_wxwindow)->bin_window;
1228         do_shape_combine_region(window, region);
1229     }
1230     window = m_widget->window;
1231     return do_shape_combine_region(window, region);
1232 }
1233
1234 bool wxTopLevelWindowGTK::IsActive()
1235 {
1236     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1237 }
1238
1239 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1240 {
1241     bool new_hint_value = false;
1242
1243     // FIXME: This is a workaround to focus handling problem
1244     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
1245     // yet been processed, and the internal focus system is not up to date yet.
1246     // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
1247     ::wxYieldIfNeeded();
1248
1249     if(m_urgency_hint >= 0)
1250         gtk_timeout_remove(m_urgency_hint);
1251
1252     m_urgency_hint = -2;
1253
1254     if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1255     {
1256         new_hint_value = true;
1257
1258         if (flags & wxUSER_ATTENTION_INFO)
1259         {
1260             m_urgency_hint = gtk_timeout_add(5000, (GtkFunction)gtk_frame_urgency_timer_callback, this);
1261         } else {
1262             m_urgency_hint = -1;
1263         }
1264     }
1265
1266 #if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,7,0)
1267     if(!gtk_check_version(2,7,0))
1268         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1269     else
1270 #endif
1271         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1272 }
1273
1274 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1275 {
1276     // Store which styles were changed
1277     long styleChanges = style ^ m_windowStyle;
1278
1279     // Process wxWindow styles. This also updates the internal variable
1280     // Therefore m_windowStyle bits carry now the _new_ style values
1281     wxWindow::SetWindowStyleFlag(style);
1282
1283     // just return for now if widget does not exist yet
1284     if (!m_widget)
1285         return;
1286
1287 #ifdef __WXGTK24__
1288     if ( (styleChanges & wxSTAY_ON_TOP) && !gtk_check_version(2,4,0) )
1289         gtk_window_set_keep_above(GTK_WINDOW(m_widget), m_windowStyle & wxSTAY_ON_TOP);
1290 #endif // GTK+ 2.4
1291 #if GTK_CHECK_VERSION(2,2,0)
1292     if ( (styleChanges & wxFRAME_NO_TASKBAR) && !gtk_check_version(2,2,0) )
1293     {
1294         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), m_windowStyle & wxFRAME_NO_TASKBAR);
1295     }
1296 #endif // GTK+ 2.2
1297 }