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 // 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 #ifdef __VMS
  22 #define XIconifyWindow XICONIFYWINDOW
  23 #endif
  24
  25 #include "wx/toplevel.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/frame.h"
  29     #include "wx/icon.h"
  30     #include "wx/log.h"
  31     #include "wx/app.h"
  32 #endif
  33
  34 #include "wx/gtk/private.h"
  35 #include "wx/evtloop.h"
  36 #include "wx/sysopt.h"
  37
  38 #include <gtk/gtk.h>
  39 #include <gdk/gdkx.h>
  40
  41 #include "wx/gtk/private/win_gtk.h"
  42
  43 #include "wx/unix/utilsx11.h"
  44
  45 // XA_CARDINAL
  46 #include <X11/Xatom.h>
  47
  48 #if wxUSE_LIBHILDON
  49     #include <hildon-widgets/hildon-program.h>
  50     #include <hildon-widgets/hildon-window.h>
  51 #endif // wxUSE_LIBHILDON
  52
  53 #if wxUSE_LIBHILDON2
  54     #include <hildon/hildon.h>
  55 #endif // wxUSE_LIBHILDON2
  56
  57 // ----------------------------------------------------------------------------
  58 // data
  59 // ----------------------------------------------------------------------------
  60
  61 // this is incremented while a modal dialog is shown
  62 int wxOpenModalDialogsCount = 0;
  63
  64 // the frame that is currently active (i.e. its child has focus). It is
  65 // used to generate wxActivateEvents
  66 static wxTopLevelWindowGTK *g_activeFrame = NULL;
  67 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
  68
  69 // if we detect that the app has got/lost the focus, we set this variable to
  70 // either TRUE or FALSE and an activate event will be sent during the next
  71 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  72 // send any activate events at all
  73 static int g_sendActivateEvent = -1;
  74
  75 //-----------------------------------------------------------------------------
  76 // RequestUserAttention related functions
  77 //-----------------------------------------------------------------------------
  78
  79 extern "C" {
  80 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  81                                            gboolean setting)
  82 {
  83     GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
  84     wxASSERT_MSG(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
  85     XWMHints *wm_hints;
  86
  87     wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
  88
  89     if (!wm_hints)
  90         wm_hints = XAllocWMHints();
  91
  92     if (setting)
  93         wm_hints->flags |= XUrgencyHint;
  94     else
  95         wm_hints->flags &= ~XUrgencyHint;
  96
  97     XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
  98     XFree(wm_hints);
  99 }
 100
 101 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 102 {
 103 #if GTK_CHECK_VERSION(2,7,0)
 104     if(!gtk_check_version(2,7,0))
 105         gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 106     else
 107 #endif
 108         wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 109
 110     win->m_urgency_hint = -2;
 111     return FALSE;
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "focus_in_event"
 117 //-----------------------------------------------------------------------------
 118
 119 extern "C" {
 120 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 121                                          GdkEvent *WXUNUSED(event),
 122                                          wxTopLevelWindowGTK *win )
 123 {
 124     switch ( g_sendActivateEvent )
 125     {
 126         case -1:
 127             // we've got focus from outside, synthetize wxActivateEvent
 128             g_sendActivateEvent = 1;
 129             break;
 130
 131         case 0:
 132             // another our window just lost focus, it was already ours before
 133             // - don't send any wxActivateEvent
 134             g_sendActivateEvent = -1;
 135             break;
 136     }
 137
 138     g_activeFrame = win;
 139     g_lastActiveFrame = g_activeFrame;
 140
 141     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 142
 143     // MR: wxRequestUserAttention related block
 144     switch( win->m_urgency_hint )
 145     {
 146         default:
 147             g_source_remove( win->m_urgency_hint );
 148             // no break, fallthrough to remove hint too
 149         case -1:
 150 #if GTK_CHECK_VERSION(2,7,0)
 151             if(!gtk_check_version(2,7,0))
 152                 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 153             else
 154 #endif
 155             {
 156                 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 157             }
 158
 159             win->m_urgency_hint = -2;
 160             break;
 161
 162         case -2: break;
 163     }
 164
 165     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 166     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 167     event.SetEventObject(g_activeFrame);
 168     g_activeFrame->HandleWindowEvent(event);
 169
 170     return FALSE;
 171 }
 172 }
 173
 174 //-----------------------------------------------------------------------------
 175 // "focus_out_event"
 176 //-----------------------------------------------------------------------------
 177
 178 extern "C" {
 179 static
 180 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 181                                       GdkEventFocus *WXUNUSED(gdk_event),
 182                                       wxTopLevelWindowGTK * WXUNUSED(win))
 183 {
 184     // if the focus goes out of our app alltogether, OnIdle() will send
 185     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 186     // g_sendActivateEvent to -1
 187     g_sendActivateEvent = 0;
 188
 189     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 190
 191     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 192
 193     if (g_activeFrame)
 194     {
 195         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 196         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 197         event.SetEventObject(g_activeFrame);
 198         g_activeFrame->HandleWindowEvent(event);
 199
 200         g_activeFrame = NULL;
 201     }
 202
 203     return FALSE;
 204 }
 205 }
 206
 207 //-----------------------------------------------------------------------------
 208 // "size_allocate" from m_wxwindow
 209 //-----------------------------------------------------------------------------
 210
 211 extern "C" {
 212 static void
 213 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 214 {
 215     if (win->m_oldClientWidth  != alloc->width ||
 216         win->m_oldClientHeight != alloc->height)
 217     {
 218         win->m_oldClientWidth  = alloc->width;
 219         win->m_oldClientHeight = alloc->height;
 220
 221         GtkAllocation a;
 222         gtk_widget_get_allocation(win->m_widget, &a);
 223         wxSize size(a.width, a.height);
 224         size += win->m_decorSize;
 225         win->m_width  = size.x;
 226         win->m_height = size.y;
 227
 228         if (!win->IsIconized())
 229         {
 230             wxSizeEvent event(size, win->GetId());
 231             event.SetEventObject(win);
 232             win->HandleWindowEvent(event);
 233         }
 234         // else the window is currently unmapped, don't generate size events
 235     }
 236 }
 237 }
 238
 239 // ----------------------------------------------------------------------------
 240 // "size_request"
 241 // ----------------------------------------------------------------------------
 242
 243 extern "C" {
 244 static
 245 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 246                                      GtkRequisition *requisition,
 247                                      wxTopLevelWindowGTK *win)
 248 {
 249     // we must return the size of the window without WM decorations, otherwise
 250     // GTK+ gets confused, so don't call just GetSize() here
 251     win->GTKDoGetSize(&requisition->width, &requisition->height);
 252 }
 253 }
 254
 255 //-----------------------------------------------------------------------------
 256 // "delete_event"
 257 //-----------------------------------------------------------------------------
 258
 259 extern "C" {
 260 static gboolean
 261 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 262                            GdkEvent *WXUNUSED(event),
 263                            wxTopLevelWindowGTK *win )
 264 {
 265     if (win->IsEnabled() &&
 266         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 267          win->IsGrabbed()))
 268         win->Close();
 269
 270     return TRUE;
 271 }
 272 }
 273
 274 //-----------------------------------------------------------------------------
 275 // "configure_event"
 276 //-----------------------------------------------------------------------------
 277
 278 extern "C" {
 279 static gboolean
 280 gtk_frame_configure_callback( GtkWidget* widget,
 281                               GdkEventConfigure *WXUNUSED(event),
 282                               wxTopLevelWindowGTK *win )
 283 {
 284     if (!win->m_hasVMT || !win->IsShown())
 285         return FALSE;
 286
 287     wxPoint point;
 288     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 289
 290     win->m_x = point.x;
 291     win->m_y = point.y;
 292     wxMoveEvent mevent(point, win->GetId());
 293     mevent.SetEventObject( win );
 294     win->HandleWindowEvent( mevent );
 295
 296     return FALSE;
 297 }
 298 }
 299
 300 //-----------------------------------------------------------------------------
 301 // "realize" from m_widget
 302 //-----------------------------------------------------------------------------
 303
 304 // we cannot the WM hints and icons before the widget has been realized,
 305 // so we do this directly after realization
 306
 307 extern "C" {
 308 static void
 309 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 310                              wxTopLevelWindowGTK *win )
 311 {
 312     gdk_window_set_decorations(gtk_widget_get_window(win->m_widget),
 313                                (GdkWMDecoration)win->m_gdkDecor);
 314     gdk_window_set_functions(gtk_widget_get_window(win->m_widget),
 315                                (GdkWMFunction)win->m_gdkFunc);
 316
 317     // GTK's shrinking/growing policy
 318     if ( !(win->m_gdkFunc & GDK_FUNC_RESIZE) )
 319         gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
 320 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 321     else
 322         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 323 #endif
 324
 325     const wxIconBundle& icons = win->GetIcons();
 326     if (icons.GetIconCount())
 327         win->SetIcons(icons);
 328
 329     if (win->HasFlag(wxFRAME_SHAPED))
 330         win->SetShape(win->m_shape); // it will really set the window shape now
 331 }
 332 }
 333
 334 //-----------------------------------------------------------------------------
 335 // "map_event" from m_widget
 336 //-----------------------------------------------------------------------------
 337
 338 extern "C" {
 339 static gboolean
 340 gtk_frame_map_callback( GtkWidget*,
 341                         GdkEvent * WXUNUSED(event),
 342                         wxTopLevelWindow *win )
 343 {
 344     const bool wasIconized = win->IsIconized();
 345     if (wasIconized)
 346     {
 347         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 348         // a size event must be generated, just in case GetClientSize() was
 349         // called while iconized. This specifically happens when restoring a
 350         // tlw that was "rolled up" with some WMs.
 351         // Queue a resize rather than sending size event directly to allow
 352         // children to be made visible first.
 353         win->m_oldClientWidth = 0;
 354         gtk_widget_queue_resize(win->m_wxwindow);
 355     }
 356     // it is possible for m_isShown to be false here, see bug #9909
 357     if (win->wxWindowBase::Show(true))
 358     {
 359         wxShowEvent eventShow(win->GetId(), true);
 360         eventShow.SetEventObject(win);
 361         win->GetEventHandler()->ProcessEvent(eventShow);
 362     }
 363
 364 #if GTK_CHECK_VERSION(2,6,0)
 365     if (!gtk_check_version(2,6,0))
 366     {
 367         // restore focus-on-map setting in case ShowWithoutActivating() was called
 368         gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 369     }
 370 #endif // GTK+ 2.6+
 371
 372     return false;
 373 }
 374 }
 375
 376 //-----------------------------------------------------------------------------
 377 // "window-state-event" from m_widget
 378 //-----------------------------------------------------------------------------
 379
 380 extern "C" {
 381 static gboolean
 382 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 383                           GdkEventWindowState *event,
 384                           wxTopLevelWindow *win )
 385 {
 386     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 387         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 388
 389     // if maximized bit changed and it is now set
 390     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 391     {
 392         wxMaximizeEvent event(win->GetId());
 393         event.SetEventObject(win);
 394         win->HandleWindowEvent(event);
 395     }
 396
 397     return false;
 398 }
 399 }
 400
 401 //-----------------------------------------------------------------------------
 402
 403 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 404 {
 405     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 406     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 407                         gdk_drawable_get_display(window), property);
 408     Atom type;
 409     int format;
 410     gulong nitems, bytes_after;
 411     guchar* data;
 412     Status status = XGetWindowProperty(
 413         gdk_x11_drawable_get_xdisplay(window),
 414         gdk_x11_drawable_get_xid(window),
 415         xproperty,
 416         0, 4, false, XA_CARDINAL,
 417         &type, &format, &nitems, &bytes_after, &data);
 418     const bool success = status == Success && data && nitems == 4;
 419     if (success)
 420     {
 421         long* p = (long*)data;
 422         if (left)   *left   = int(p[0]);
 423         if (right)  *right  = int(p[1]);
 424         if (top)    *top    = int(p[2]);
 425         if (bottom) *bottom = int(p[3]);
 426     }
 427     if (data)
 428         XFree(data);
 429     return success;
 430 }
 431
 432 //-----------------------------------------------------------------------------
 433 // "property_notify_event" from m_widget
 434 //-----------------------------------------------------------------------------
 435
 436 extern "C" {
 437 static gboolean property_notify_event(
 438     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 439 {
 440     // Watch for changes to _NET_FRAME_EXTENTS property
 441     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 442     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 443     {
 444         wxSize decorSize = win->m_decorSize;
 445         int left, right, top, bottom;
 446         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 447             decorSize.Set(left + right, top + bottom);
 448
 449         win->GTKUpdateDecorSize(decorSize);
 450     }
 451     return false;
 452 }
 453 }
 454
 455 // ----------------------------------------------------------------------------
 456 // wxTopLevelWindowGTK creation
 457 // ----------------------------------------------------------------------------
 458
 459 void wxTopLevelWindowGTK::Init()
 460 {
 461     m_mainWidget = NULL;
 462     m_isIconized = false;
 463     m_fsIsShowing = false;
 464     m_themeEnabled = true;
 465     m_gdkDecor =
 466     m_gdkFunc = 0;
 467     m_grabbed = false;
 468     m_deferShow = true;
 469     m_deferShowAllowed = true;
 470     m_updateDecorSize = true;
 471
 472     m_urgency_hint = -2;
 473 }
 474
 475 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 476                                   wxWindowID id,
 477                                   const wxString& title,
 478                                   const wxPoint& pos,
 479                                   const wxSize& sizeOrig,
 480                                   long style,
 481                                   const wxString &name )
 482 {
 483     // always create a frame of some reasonable, even if arbitrary, size (at
 484     // least for MSW compatibility)
 485     wxSize size = sizeOrig;
 486     size.x = WidthDefault(size.x);
 487     size.y = HeightDefault(size.y);
 488
 489     wxTopLevelWindows.Append( this );
 490
 491     if (!PreCreation( parent, pos, size ) ||
 492         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 493     {
 494         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 495         return false;
 496     }
 497
 498     m_title = title;
 499
 500     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 501     //     e.g. in wxTaskBarIconAreaGTK
 502     if (m_widget == NULL)
 503     {
 504 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 505         // we must create HildonWindow and not a normal GtkWindow as the latter
 506         // doesn't look correctly in Maemo environment and it must also be
 507         // registered with the main program object
 508         m_widget = hildon_window_new();
 509         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 510                                   HILDON_WINDOW(m_widget));
 511 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 512         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 513         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 514         {
 515             // Tell WM that this is a dialog window and make it center
 516             // on parent by default (this is what GtkDialog ctor does):
 517             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 518                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 519             gtk_window_set_position(GTK_WINDOW(m_widget),
 520                                     GTK_WIN_POS_CENTER_ON_PARENT);
 521         }
 522         else
 523         {
 524             if (style & wxFRAME_TOOL_WINDOW)
 525             {
 526                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 527                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 528
 529                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 530                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 531                 // For consistency between WMs and with Windows, we
 532                 // should set the NO_TASKBAR flag which will apply
 533                 // the set_skip_taskbar_hint if it is available,
 534                 // ensuring no taskbar entry will appear.
 535                 style |= wxFRAME_NO_TASKBAR;
 536             }
 537         }
 538 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 539
 540         g_object_ref(m_widget);
 541     }
 542
 543     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 544     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 545                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 546                        (style & wxFRAME_FLOAT_ON_PARENT)))
 547     {
 548         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 549                                       GTK_WINDOW(topParent->m_widget) );
 550     }
 551
 552     if (style & wxFRAME_NO_TASKBAR)
 553     {
 554         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 555     }
 556
 557     if (style & wxSTAY_ON_TOP)
 558     {
 559         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 560     }
 561     if (style & wxMAXIMIZE)
 562         gtk_window_maximize(GTK_WINDOW(m_widget));
 563
 564 #if 0
 565     if (!name.empty())
 566         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 567 #endif
 568
 569     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 570     gtk_widget_set_can_focus(m_widget, false);
 571
 572     g_signal_connect (m_widget, "delete_event",
 573                       G_CALLBACK (gtk_frame_delete_callback), this);
 574
 575     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 576     m_mainWidget = gtk_vbox_new(false, 0);
 577     gtk_widget_show( m_mainWidget );
 578     gtk_widget_set_can_focus(m_mainWidget, false);
 579     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 580
 581     // m_wxwindow is the client area
 582     m_wxwindow = wxPizza::New();
 583     gtk_widget_show( m_wxwindow );
 584     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 585
 586     // we donm't allow the frame to get the focus as otherwise
 587     // the frame will grab it at arbitrary focus changes
 588     gtk_widget_set_can_focus(m_wxwindow, false);
 589
 590     if (m_parent) m_parent->AddChild( this );
 591
 592     g_signal_connect(m_wxwindow, "size_allocate",
 593         G_CALLBACK(size_allocate), this);
 594
 595     g_signal_connect (m_widget, "size_request",
 596                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 597     PostCreation();
 598
 599 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 600     if ((m_x != -1) || (m_y != -1))
 601         gtk_widget_set_uposition( m_widget, m_x, m_y );
 602 #endif
 603
 604     //  we cannot set MWM hints and icons before the widget has
 605     //  been realized, so we do this directly after realization
 606     g_signal_connect (m_widget, "realize",
 607                       G_CALLBACK (gtk_frame_realized_callback), this);
 608
 609     // for some reported size corrections
 610     g_signal_connect (m_widget, "map_event",
 611                       G_CALLBACK (gtk_frame_map_callback), this);
 612
 613     // for iconized state
 614     g_signal_connect (m_widget, "window_state_event",
 615                       G_CALLBACK (gtk_frame_window_state_callback), this);
 616
 617
 618     // for wxMoveEvent
 619     g_signal_connect (m_widget, "configure_event",
 620                       G_CALLBACK (gtk_frame_configure_callback), this);
 621
 622     // activation
 623     g_signal_connect_after (m_widget, "focus_in_event",
 624                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 625     g_signal_connect_after (m_widget, "focus_out_event",
 626                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 627
 628     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 629     g_signal_connect(m_widget, "property_notify_event",
 630         G_CALLBACK(property_notify_event), this);
 631
 632     // translate wx decorations styles into Motif WM hints (they are recognized
 633     // by other WMs as well)
 634
 635     // always enable moving the window as we have no separate flag for enabling
 636     // it
 637     m_gdkFunc = GDK_FUNC_MOVE;
 638
 639     if ( style & wxCLOSE_BOX )
 640         m_gdkFunc |= GDK_FUNC_CLOSE;
 641
 642     if ( style & wxMINIMIZE_BOX )
 643         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 644
 645     if ( style & wxMAXIMIZE_BOX )
 646         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 647
 648     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 649     {
 650         m_gdkDecor = 0;
 651     }
 652     else // have border
 653     {
 654         m_gdkDecor = GDK_DECOR_BORDER;
 655
 656         if ( style & wxCAPTION )
 657             m_gdkDecor |= GDK_DECOR_TITLE;
 658
 659         if ( style & wxSYSTEM_MENU )
 660             m_gdkDecor |= GDK_DECOR_MENU;
 661
 662         if ( style & wxMINIMIZE_BOX )
 663             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 664
 665         if ( style & wxMAXIMIZE_BOX )
 666             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 667
 668         if ( style & wxRESIZE_BORDER )
 669         {
 670            m_gdkFunc |= GDK_FUNC_RESIZE;
 671            m_gdkDecor |= GDK_DECOR_RESIZEH;
 672         }
 673     }
 674
 675     m_decorSize = GetCachedDecorSize();
 676     int w, h;
 677     GTKDoGetSize(&w, &h);
 678     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 679
 680     return true;
 681 }
 682
 683 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 684 {
 685 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 686     // it can also be a (standard) dialog
 687     if ( HILDON_IS_WINDOW(m_widget) )
 688     {
 689         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 690                                      HILDON_WINDOW(m_widget));
 691     }
 692 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 693
 694     if (m_grabbed)
 695     {
 696         wxFAIL_MSG(wxT("Window still grabbed"));
 697         RemoveGrab();
 698     }
 699
 700     SendDestroyEvent();
 701
 702     // it may also be GtkScrolledWindow in the case of an MDI child
 703     if (GTK_IS_WINDOW(m_widget))
 704     {
 705         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 706     }
 707
 708     if (g_activeFrame == this)
 709         g_activeFrame = NULL;
 710     if (g_lastActiveFrame == this)
 711         g_lastActiveFrame = NULL;
 712 }
 713
 714 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 715 {
 716     if (enable)
 717         m_gdkFunc |= GDK_FUNC_CLOSE;
 718     else
 719         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 720
 721     GdkWindow* window = gtk_widget_get_window(m_widget);
 722     if (window)
 723         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 724
 725     return true;
 726 }
 727
 728 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 729 {
 730     if (show == m_fsIsShowing)
 731         return false; // return what?
 732
 733     m_fsIsShowing = show;
 734
 735     wxX11FullScreenMethod method =
 736         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 737                                  (WXWindow)GDK_ROOT_WINDOW());
 738
 739     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 740     //     to switch to fullscreen, which is not always available. We must
 741     //     check if WM supports the spec and use legacy methods if it
 742     //     doesn't.
 743     if ( method == wxX11_FS_WMSPEC )
 744     {
 745         if (show)
 746             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 747         else
 748             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 749     }
 750     else
 751     {
 752         GdkWindow* window = gtk_widget_get_window(m_widget);
 753
 754         if (show)
 755         {
 756             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 757             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 758
 759             int screen_width,screen_height;
 760             wxDisplaySize( &screen_width, &screen_height );
 761
 762             gint client_x, client_y, root_x, root_y;
 763             gint width, height;
 764
 765             m_fsSaveGdkFunc = m_gdkFunc;
 766             m_fsSaveGdkDecor = m_gdkDecor;
 767             m_gdkFunc = m_gdkDecor = 0;
 768             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 769             gdk_window_set_functions(window, (GdkWMFunction)0);
 770
 771             gdk_window_get_origin(window, &root_x, &root_y);
 772             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height, NULL);
 773
 774             gdk_window_move_resize(
 775                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 776
 777             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 778                                     (WXWindow)GDK_ROOT_WINDOW(),
 779                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 780                                     show, &m_fsSaveFrame, method);
 781         }
 782         else // hide
 783         {
 784             m_gdkFunc = m_fsSaveGdkFunc;
 785             m_gdkDecor = m_fsSaveGdkDecor;
 786             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 787             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 788
 789             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 790                                     (WXWindow)GDK_ROOT_WINDOW(),
 791                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 792                                     show, &m_fsSaveFrame, method);
 793
 794             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 795                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 796         }
 797     }
 798
 799     // documented behaviour is to show the window if it's still hidden when
 800     // showing it full screen
 801     if (show)
 802         Show();
 803
 804     return true;
 805 }
 806
 807 // ----------------------------------------------------------------------------
 808 // overridden wxWindow methods
 809 // ----------------------------------------------------------------------------
 810
 811 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 812 {
 813     wxCHECK_RET( m_widget, wxT("invalid frame") );
 814
 815     gtk_widget_queue_draw( m_widget );
 816
 817     GdkWindow* window = NULL;
 818     if (m_wxwindow)
 819         window = gtk_widget_get_window(m_wxwindow);
 820     if (window)
 821         gdk_window_invalidate_rect(window, NULL, true);
 822 }
 823
 824 bool wxTopLevelWindowGTK::Show( bool show )
 825 {
 826     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 827
 828     bool deferShow = show && !m_isShown && m_deferShow;
 829     if (deferShow)
 830     {
 831         deferShow = m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
 832         if (deferShow)
 833         {
 834             deferShow = g_signal_handler_find(m_widget,
 835                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 836                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 837                 0, NULL, NULL, this) != 0;
 838         }
 839         GdkScreen* screen = NULL;
 840         if (deferShow)
 841         {
 842             screen = gtk_widget_get_screen(m_widget);
 843             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 844             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 845             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 846             // to m_decorSize, it breaks saving/restoring window size with
 847             // GetSize()/SetSize() because it makes window bigger between each
 848             // restore and save.
 849             m_updateDecorSize = deferShow;
 850         }
 851         if (deferShow)
 852         {
 853             // Fluxbox support for _NET_REQUEST_FRAME_EXTENTS is broken
 854             const char* name = gdk_x11_screen_get_window_manager_name(screen);
 855             deferShow = strcmp(name, "Fluxbox") != 0;
 856             m_updateDecorSize = deferShow;
 857         }
 858
 859         m_deferShow = deferShow;
 860     }
 861     if (deferShow)
 862     {
 863         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 864         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 865         // notification is received, so correct frame extents are known.
 866         // This allows resizing m_widget to keep the overall size in sync with
 867         // what wxWidgets expects it to be without an obvious change in the
 868         // window size immediately after it becomes visible.
 869
 870         // Realize m_widget, so m_widget->window can be used. Realizing normally
 871         // causes the widget tree to be size_allocated, which generates size
 872         // events in the wrong order. However, the size_allocates will not be
 873         // done if the allocation is not the default (1,1).
 874         GtkAllocation alloc;
 875         gtk_widget_get_allocation(m_widget, &alloc);
 876         const int alloc_width = alloc.width;
 877         if (alloc_width == 1)
 878         {
 879             alloc.width = 2;
 880             gtk_widget_set_allocation(m_widget, &alloc);
 881         }
 882         gtk_widget_realize(m_widget);
 883         if (alloc_width == 1)
 884         {
 885             alloc.width = 1;
 886             gtk_widget_set_allocation(m_widget, &alloc);
 887         }
 888
 889         // send _NET_REQUEST_FRAME_EXTENTS
 890         XClientMessageEvent xevent;
 891         memset(&xevent, 0, sizeof(xevent));
 892         xevent.type = ClientMessage;
 893         GdkWindow* window = gtk_widget_get_window(m_widget);
 894         xevent.window = gdk_x11_drawable_get_xid(window);
 895         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 896             gdk_drawable_get_display(window),
 897             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 898         xevent.format = 32;
 899         Display* display = gdk_x11_drawable_get_xdisplay(window);
 900         XSendEvent(display, DefaultRootWindow(display), false,
 901             SubstructureNotifyMask | SubstructureRedirectMask,
 902             (XEvent*)&xevent);
 903
 904         // defer calling gtk_widget_show()
 905         m_isShown = true;
 906         return true;
 907     }
 908
 909     if (show && !gtk_widget_get_realized(m_widget))
 910     {
 911         // size_allocate signals occur in reverse order (bottom to top).
 912         // Things work better if the initial wxSizeEvents are sent (from the
 913         // top down), before the initial size_allocate signals occur.
 914         wxSizeEvent event(GetSize(), GetId());
 915         event.SetEventObject(this);
 916         HandleWindowEvent(event);
 917     }
 918
 919     bool change = base_type::Show(show);
 920
 921     if (change && !show)
 922     {
 923         // make sure window has a non-default position, so when it is shown
 924         // again, it won't be repositioned by WM as if it were a new window
 925         // Note that this must be done _after_ the window is hidden.
 926         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 927     }
 928
 929     return change;
 930 }
 931
 932 void wxTopLevelWindowGTK::ShowWithoutActivating()
 933 {
 934     if (!m_isShown)
 935     {
 936 #if GTK_CHECK_VERSION(2,6,0)
 937         if (!gtk_check_version(2,6,0))
 938             gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 939 #endif // GTK+ 2.6+
 940
 941         Show(true);
 942     }
 943 }
 944
 945 void wxTopLevelWindowGTK::Raise()
 946 {
 947     gtk_window_present( GTK_WINDOW( m_widget ) );
 948 }
 949
 950 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 951 {
 952     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 953 }
 954
 955 // ----------------------------------------------------------------------------
 956 // window geometry
 957 // ----------------------------------------------------------------------------
 958
 959 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 960 {
 961     wxSize size(m_width, m_height);
 962     size -= m_decorSize;
 963     if (size.x < 0) size.x = 0;
 964     if (size.y < 0) size.y = 0;
 965 #if wxUSE_LIBHILDON2
 966     if (width) {
 967        if (size.x == 720)
 968                *width = 696;
 969        else
 970                *width = size.x;
 971     }
 972     if (height) {
 973        if (size.y == 420)
 974                *height = 396;
 975        else if (size.y == 270)
 976                *height = 246;
 977             else
 978                *height = size.y;
 979     }
 980 #else // wxUSE_LIBHILDON2
 981     if (width)  *width  = size.x;
 982     if (height) *height = size.y;
 983 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
 984 }
 985
 986 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 987 {
 988     wxCHECK_RET( m_widget, wxT("invalid frame") );
 989
 990     m_deferShowAllowed = true;
 991
 992     // deal with the position first
 993     int old_x = m_x;
 994     int old_y = m_y;
 995
 996     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
 997     {
 998         // -1 means "use existing" unless the flag above is specified
 999         if ( x != -1 )
1000             m_x = x;
1001         if ( y != -1 )
1002             m_y = y;
1003     }
1004     else // wxSIZE_ALLOW_MINUS_ONE
1005     {
1006         m_x = x;
1007         m_y = y;
1008     }
1009
1010     if ( m_x != old_x || m_y != old_y )
1011     {
1012         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1013     }
1014
1015     const wxSize oldSize(m_width, m_height);
1016     if (width >= 0)
1017         m_width = width;
1018     if (height >= 0)
1019         m_height = height;
1020     ConstrainSize();
1021     if (m_width != oldSize.x || m_height != oldSize.y)
1022     {
1023         int w, h;
1024         GTKDoGetSize(&w, &h);
1025         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1026
1027         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1028         wxSizeEvent event(GetSize(), GetId());
1029         event.SetEventObject(this);
1030         HandleWindowEvent(event);
1031     }
1032 }
1033
1034 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1035 {
1036     base_type::DoSetClientSize(width, height);
1037
1038     // Since client size is being explicitly set, don't change it later
1039     // Has to be done after calling base because it calls SetSize,
1040     // which sets this true
1041     m_deferShowAllowed = false;
1042 }
1043
1044 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1045 {
1046     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1047
1048     if ( IsIconized() )
1049     {
1050         // for consistency with wxMSW, client area is supposed to be empty for
1051         // the iconized windows
1052         if ( width )
1053             *width = 0;
1054         if ( height )
1055             *height = 0;
1056     }
1057     else
1058     {
1059         GTKDoGetSize(width, height);
1060     }
1061 }
1062
1063 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1064                                           int maxW, int maxH,
1065                                           int incW, int incH )
1066 {
1067     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1068
1069     const wxSize minSize = GetMinSize();
1070     const wxSize maxSize = GetMaxSize();
1071     GdkGeometry hints;
1072     int hints_mask = 0;
1073     if (minSize.x > 0 || minSize.y > 0)
1074     {
1075         hints_mask |= GDK_HINT_MIN_SIZE;
1076         hints.min_width = minSize.x - m_decorSize.x;
1077         if (hints.min_width < 0)
1078             hints.min_width = 0;
1079         hints.min_height = minSize.y - m_decorSize.y;
1080         if (hints.min_height < 0)
1081             hints.min_height = 0;
1082     }
1083     if (maxSize.x > 0 || maxSize.y > 0)
1084     {
1085         hints_mask |= GDK_HINT_MAX_SIZE;
1086         hints.max_width = maxSize.x - m_decorSize.x;
1087         if (hints.max_width < 0)
1088             hints.max_width = INT_MAX;
1089         hints.max_height = maxSize.y - m_decorSize.y;
1090         if (hints.max_height < 0)
1091             hints.max_height = INT_MAX;
1092     }
1093     if (incW > 0 || incH > 0)
1094     {
1095         hints_mask |= GDK_HINT_RESIZE_INC;
1096         hints.width_inc  = incW > 0 ? incW : 1;
1097         hints.height_inc = incH > 0 ? incH : 1;
1098     }
1099     gtk_window_set_geometry_hints(
1100         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1101 }
1102
1103 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1104 {
1105     if (!IsMaximized() && !IsFullScreen())
1106         GetCachedDecorSize() = decorSize;
1107     if (m_updateDecorSize && m_decorSize != decorSize)
1108     {
1109         const wxSize diff = decorSize - m_decorSize;
1110         m_decorSize = decorSize;
1111         bool resized = false;
1112         if (m_deferShow)
1113         {
1114             // keep overall size unchanged by shrinking m_widget
1115             int w, h;
1116             GTKDoGetSize(&w, &h);
1117             // but not if size would be less than minimum, it won't take effect
1118             const wxSize minSize = GetMinSize();
1119             if (w >= minSize.x && h >= minSize.y)
1120             {
1121                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1122                 resized = true;
1123             }
1124         }
1125         if (!resized)
1126         {
1127             // adjust overall size to match change in frame extents
1128             m_width  += diff.x;
1129             m_height += diff.y;
1130             if (m_width  < 0) m_width  = 0;
1131             if (m_height < 0) m_height = 0;
1132             m_oldClientWidth = 0;
1133             gtk_widget_queue_resize(m_wxwindow);
1134         }
1135     }
1136     if (m_deferShow)
1137     {
1138         // gtk_widget_show() was deferred, do it now
1139         m_deferShow = false;
1140         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1141         wxSizeEvent sizeEvent(GetSize(), GetId());
1142         sizeEvent.SetEventObject(this);
1143         HandleWindowEvent(sizeEvent);
1144
1145         gtk_widget_show(m_widget);
1146
1147         wxShowEvent showEvent(GetId(), true);
1148         showEvent.SetEventObject(this);
1149         HandleWindowEvent(showEvent);
1150     }
1151 }
1152
1153 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1154 {
1155     static wxSize size[8];
1156
1157     int index = 0;
1158     // title bar
1159     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1160         index = 1;
1161     // border
1162     if (m_gdkDecor & GDK_DECOR_BORDER)
1163         index |= 2;
1164     // utility window decor can be different
1165     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1166         index |= 4;
1167     return size[index];
1168 }
1169
1170 void wxTopLevelWindowGTK::OnInternalIdle()
1171 {
1172     wxTopLevelWindowBase::OnInternalIdle();
1173
1174     // Synthetize activate events.
1175     if ( g_sendActivateEvent != -1 )
1176     {
1177         bool activate = g_sendActivateEvent != 0;
1178
1179         // if (!activate) wxPrintf( wxT("de") );
1180         // wxPrintf( wxT("activate\n") );
1181
1182         // do it only once
1183         g_sendActivateEvent = -1;
1184
1185         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1186     }
1187 }
1188
1189 // ----------------------------------------------------------------------------
1190 // frame title/icon
1191 // ----------------------------------------------------------------------------
1192
1193 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1194 {
1195     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1196
1197     if ( title == m_title )
1198         return;
1199
1200     m_title = title;
1201
1202     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1203 }
1204
1205 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1206 {
1207     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1208
1209     base_type::SetIcons(icons);
1210
1211     // Setting icons before window is realized can cause a GTK assertion if
1212     // another TLW is realized before this one, and it has this one as it's
1213     // transient parent. The life demo exibits this problem.
1214     if (gtk_widget_get_realized(m_widget))
1215     {
1216         GList* list = NULL;
1217         for (size_t i = icons.GetIconCount(); i--;)
1218             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1219         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1220         g_list_free(list);
1221     }
1222 }
1223
1224 // ----------------------------------------------------------------------------
1225 // frame state: maximized/iconized/normal
1226 // ----------------------------------------------------------------------------
1227
1228 void wxTopLevelWindowGTK::Maximize(bool maximize)
1229 {
1230     if (maximize)
1231         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1232     else
1233         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1234 }
1235
1236 bool wxTopLevelWindowGTK::IsMaximized() const
1237 {
1238     GdkWindow* window = gtk_widget_get_window(m_widget);
1239     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1240 }
1241
1242 void wxTopLevelWindowGTK::Restore()
1243 {
1244     // "Present" seems similar enough to "restore"
1245     gtk_window_present( GTK_WINDOW( m_widget ) );
1246 }
1247
1248 void wxTopLevelWindowGTK::Iconize( bool iconize )
1249 {
1250     if (iconize)
1251         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1252     else
1253         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1254 }
1255
1256 bool wxTopLevelWindowGTK::IsIconized() const
1257 {
1258     return m_isIconized;
1259 }
1260
1261 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1262 {
1263     if ( iconize != m_isIconized )
1264     {
1265         m_isIconized = iconize;
1266         (void)SendIconizeEvent(iconize);
1267     }
1268 }
1269
1270 void wxTopLevelWindowGTK::AddGrab()
1271 {
1272     if (!m_grabbed)
1273     {
1274         m_grabbed = true;
1275         gtk_grab_add( m_widget );
1276         wxGUIEventLoop().Run();
1277         gtk_grab_remove( m_widget );
1278     }
1279 }
1280
1281 void wxTopLevelWindowGTK::RemoveGrab()
1282 {
1283     if (m_grabbed)
1284     {
1285         gtk_main_quit();
1286         m_grabbed = false;
1287     }
1288 }
1289
1290
1291 // helper
1292 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1293 {
1294     if (window)
1295     {
1296         if (region.IsEmpty())
1297         {
1298             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1299         }
1300         else
1301         {
1302             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1303             return true;
1304         }
1305     }
1306     return false;
1307 }
1308
1309
1310 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1311 {
1312     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1313                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1314
1315     if ( gtk_widget_get_realized(m_widget) )
1316     {
1317         if ( m_wxwindow )
1318             do_shape_combine_region(gtk_widget_get_window(m_wxwindow), region);
1319
1320         return do_shape_combine_region(gtk_widget_get_window(m_widget), region);
1321     }
1322     else // not realized yet
1323     {
1324         // store the shape to set, it will be really set once we're realized
1325         m_shape = region;
1326
1327         // we don't know if we're going to succeed or fail, be optimistic by
1328         // default
1329         return true;
1330     }
1331 }
1332
1333 bool wxTopLevelWindowGTK::IsActive()
1334 {
1335     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1336 }
1337
1338 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1339 {
1340     bool new_hint_value = false;
1341
1342     // FIXME: This is a workaround to focus handling problem
1343     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1344     // hasn't yet been processed, and the internal focus system is not up to date yet.
1345     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1346     // won't have side effects) - MR
1347     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1348
1349     if(m_urgency_hint >= 0)
1350         g_source_remove(m_urgency_hint);
1351
1352     m_urgency_hint = -2;
1353
1354     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1355     {
1356         new_hint_value = true;
1357
1358         if (flags & wxUSER_ATTENTION_INFO)
1359         {
1360             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1361         } else {
1362             m_urgency_hint = -1;
1363         }
1364     }
1365
1366 #if GTK_CHECK_VERSION(2,7,0)
1367     if(!gtk_check_version(2,7,0))
1368         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1369     else
1370 #endif
1371         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1372 }
1373
1374 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1375 {
1376     // Store which styles were changed
1377     long styleChanges = style ^ m_windowStyle;
1378
1379     // Process wxWindow styles. This also updates the internal variable
1380     // Therefore m_windowStyle bits carry now the _new_ style values
1381     wxWindow::SetWindowStyleFlag(style);
1382
1383     // just return for now if widget does not exist yet
1384     if (!m_widget)
1385         return;
1386
1387     if ( styleChanges & wxSTAY_ON_TOP )
1388     {
1389         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1390                                   m_windowStyle & wxSTAY_ON_TOP);
1391     }
1392
1393     if ( styleChanges & wxFRAME_NO_TASKBAR )
1394     {
1395         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1396                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1397     }
1398 }
1399
1400 /* Get the X Window between child and the root window.
1401    This should usually be the WM managed XID */
1402 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1403 {
1404     Window root, parent;
1405     Window* children;
1406     unsigned int nchildren;
1407
1408     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1409     XFree(children);
1410
1411     while (parent != root) {
1412         child = parent;
1413         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1414         XFree(children);
1415     }
1416
1417     return child;
1418 }
1419
1420 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1421 {
1422     GdkWindow* window = NULL;
1423     if (m_widget)
1424         window = gtk_widget_get_window(m_widget);
1425     if (window == NULL)
1426         return false;
1427
1428     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1429     // We need to get the X Window that has the root window as the immediate parent
1430     // and m_widget->window as a child. This should be the X Window that the WM manages and
1431     // from which the opacity property is checked from.
1432     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID(window));
1433
1434
1435     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1436     if (alpha == 0xff)
1437         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1438     else
1439     {
1440         long opacity = alpha * 0x1010101L;
1441         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1442                         XA_CARDINAL, 32, PropModeReplace,
1443                         (unsigned char *) &opacity, 1L);
1444     }
1445     XSync(dpy, False);
1446     return true;
1447 }
1448
1449 bool wxTopLevelWindowGTK::CanSetTransparent()
1450 {
1451     // allow to override automatic detection as it's far from perfect
1452     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1453     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1454     {
1455         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1456     }
1457
1458 #if GTK_CHECK_VERSION(2,10,0)
1459     if (!gtk_check_version(2,10,0))
1460     {
1461         return (gtk_widget_is_composited (m_widget));
1462     }
1463     else
1464 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1465     {
1466         return false;
1467     }
1468
1469 #if 0 // Don't be optimistic here for the sake of wxAUI
1470     int opcode, event, error;
1471     // Check for the existence of a RGBA visual instead?
1472     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1473                            "Composite", &opcode, &event, &error);
1474 #endif
1475 }