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 #ifdef GDK_WINDOWING_X11
  40 #include <gdk/gdkx.h>
  41 #endif
  42
  43 #include "wx/gtk/private/win_gtk.h"
  44
  45 #ifdef GDK_WINDOWING_X11
  46
  47 #include "wx/unix/utilsx11.h"
  48
  49 // XA_CARDINAL
  50 #include <X11/Xatom.h>
  51
  52 #endif // GDK_WINDOWING_X11
  53
  54 #if wxUSE_LIBHILDON
  55     #include <hildon-widgets/hildon-program.h>
  56     #include <hildon-widgets/hildon-window.h>
  57 #endif // wxUSE_LIBHILDON
  58
  59 #if wxUSE_LIBHILDON2
  60     #include <hildon/hildon.h>
  61 #endif // wxUSE_LIBHILDON2
  62
  63 // ----------------------------------------------------------------------------
  64 // data
  65 // ----------------------------------------------------------------------------
  66
  67 // this is incremented while a modal dialog is shown
  68 int wxOpenModalDialogsCount = 0;
  69
  70 // the frame that is currently active (i.e. its child has focus). It is
  71 // used to generate wxActivateEvents
  72 static wxTopLevelWindowGTK *g_activeFrame = NULL;
  73 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
  74
  75 // if we detect that the app has got/lost the focus, we set this variable to
  76 // either TRUE or FALSE and an activate event will be sent during the next
  77 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  78 // send any activate events at all
  79 static int g_sendActivateEvent = -1;
  80
  81 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
  82 //   0 == not tested yet, 1 == working, 2 == broken
  83 static int gs_requestFrameExtentsStatus;
  84
  85 //-----------------------------------------------------------------------------
  86 // RequestUserAttention related functions
  87 //-----------------------------------------------------------------------------
  88
  89 #ifndef __WXGTK30__
  90 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  91                                            gboolean setting)
  92 {
  93 #if GTK_CHECK_VERSION(2,7,0)
  94     if (gtk_check_version(2,7,0) == NULL)
  95         gtk_window_set_urgency_hint(win, setting);
  96     else
  97 #endif
  98     {
  99 #ifdef GDK_WINDOWING_X11
 100         GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
 101         wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
 102
 103         Display* dpy = GDK_WINDOW_XDISPLAY(window);
 104         Window xid = GDK_WINDOW_XID(window);
 105         XWMHints* wm_hints = XGetWMHints(dpy, xid);
 106
 107         if (!wm_hints)
 108             wm_hints = XAllocWMHints();
 109
 110         if (setting)
 111             wm_hints->flags |= XUrgencyHint;
 112         else
 113             wm_hints->flags &= ~XUrgencyHint;
 114
 115         XSetWMHints(dpy, xid, wm_hints);
 116         XFree(wm_hints);
 117 #endif // GDK_WINDOWING_X11
 118     }
 119 }
 120 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
 121 #endif
 122
 123 extern "C" {
 124 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 125 {
 126     gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 127
 128     win->m_urgency_hint = -2;
 129     return FALSE;
 130 }
 131 }
 132
 133 //-----------------------------------------------------------------------------
 134 // "focus_in_event"
 135 //-----------------------------------------------------------------------------
 136
 137 extern "C" {
 138 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 139                                          GdkEvent *WXUNUSED(event),
 140                                          wxTopLevelWindowGTK *win )
 141 {
 142     switch ( g_sendActivateEvent )
 143     {
 144         case -1:
 145             // we've got focus from outside, synthetize wxActivateEvent
 146             g_sendActivateEvent = 1;
 147             break;
 148
 149         case 0:
 150             // another our window just lost focus, it was already ours before
 151             // - don't send any wxActivateEvent
 152             g_sendActivateEvent = -1;
 153             break;
 154     }
 155
 156     g_activeFrame = win;
 157     g_lastActiveFrame = g_activeFrame;
 158
 159     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 160
 161     // MR: wxRequestUserAttention related block
 162     switch( win->m_urgency_hint )
 163     {
 164         default:
 165             g_source_remove( win->m_urgency_hint );
 166             // no break, fallthrough to remove hint too
 167         case -1:
 168             gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
 169             win->m_urgency_hint = -2;
 170             break;
 171
 172         case -2: break;
 173     }
 174
 175     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 176     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 177     event.SetEventObject(g_activeFrame);
 178     g_activeFrame->HandleWindowEvent(event);
 179
 180     return FALSE;
 181 }
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // "focus_out_event"
 186 //-----------------------------------------------------------------------------
 187
 188 extern "C" {
 189 static
 190 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 191                                       GdkEventFocus *WXUNUSED(gdk_event),
 192                                       wxTopLevelWindowGTK * WXUNUSED(win))
 193 {
 194     // if the focus goes out of our app alltogether, OnIdle() will send
 195     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 196     // g_sendActivateEvent to -1
 197     g_sendActivateEvent = 0;
 198
 199     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 200
 201     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 202
 203     if (g_activeFrame)
 204     {
 205         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 206         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 207         event.SetEventObject(g_activeFrame);
 208         g_activeFrame->HandleWindowEvent(event);
 209
 210         g_activeFrame = NULL;
 211     }
 212
 213     return FALSE;
 214 }
 215 }
 216
 217 //-----------------------------------------------------------------------------
 218 // "size_allocate" from m_wxwindow
 219 //-----------------------------------------------------------------------------
 220
 221 extern "C" {
 222 static void
 223 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 224 {
 225     if (win->m_oldClientWidth  != alloc->width ||
 226         win->m_oldClientHeight != alloc->height)
 227     {
 228         win->m_oldClientWidth  = alloc->width;
 229         win->m_oldClientHeight = alloc->height;
 230
 231         GtkAllocation a;
 232         gtk_widget_get_allocation(win->m_widget, &a);
 233         wxSize size(a.width, a.height);
 234         size += win->m_decorSize;
 235         win->m_width  = size.x;
 236         win->m_height = size.y;
 237
 238         if (!win->IsIconized())
 239         {
 240             wxSizeEvent event(size, win->GetId());
 241             event.SetEventObject(win);
 242             win->HandleWindowEvent(event);
 243         }
 244         // else the window is currently unmapped, don't generate size events
 245     }
 246 }
 247 }
 248
 249 // ----------------------------------------------------------------------------
 250 // "size_request"
 251 // ----------------------------------------------------------------------------
 252
 253 extern "C" {
 254 static
 255 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 256                                      GtkRequisition *requisition,
 257                                      wxTopLevelWindowGTK *win)
 258 {
 259     // we must return the size of the window without WM decorations, otherwise
 260     // GTK+ gets confused, so don't call just GetSize() here
 261     win->GTKDoGetSize(&requisition->width, &requisition->height);
 262 }
 263 }
 264
 265 //-----------------------------------------------------------------------------
 266 // "delete_event"
 267 //-----------------------------------------------------------------------------
 268
 269 extern "C" {
 270 static gboolean
 271 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 272                            GdkEvent *WXUNUSED(event),
 273                            wxTopLevelWindowGTK *win )
 274 {
 275     if (win->IsEnabled() &&
 276         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 277          win->IsGrabbed()))
 278         win->Close();
 279
 280     return TRUE;
 281 }
 282 }
 283
 284 //-----------------------------------------------------------------------------
 285 // "configure_event"
 286 //-----------------------------------------------------------------------------
 287
 288 extern "C" {
 289 static gboolean
 290 gtk_frame_configure_callback( GtkWidget* widget,
 291                               GdkEventConfigure *WXUNUSED(event),
 292                               wxTopLevelWindowGTK *win )
 293 {
 294     if (!win->m_hasVMT || !win->IsShown())
 295         return FALSE;
 296
 297     wxPoint point;
 298     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 299
 300     win->m_x = point.x;
 301     win->m_y = point.y;
 302     wxMoveEvent mevent(point, win->GetId());
 303     mevent.SetEventObject( win );
 304     win->HandleWindowEvent( mevent );
 305
 306     return FALSE;
 307 }
 308 }
 309
 310 //-----------------------------------------------------------------------------
 311 // "realize" from m_widget
 312 //-----------------------------------------------------------------------------
 313
 314 // we cannot the WM hints and icons before the widget has been realized,
 315 // so we do this directly after realization
 316
 317 void wxTopLevelWindowGTK::GTKHandleRealized()
 318 {
 319     wxNonOwnedWindow::GTKHandleRealized();
 320
 321     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 322                                (GdkWMDecoration)m_gdkDecor);
 323     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 324                                (GdkWMFunction)m_gdkFunc);
 325
 326     // GTK's shrinking/growing policy
 327     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 328         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 329 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 330     else
 331         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 332 #endif
 333
 334     const wxIconBundle& icons = GetIcons();
 335     if (icons.GetIconCount())
 336         SetIcons(icons);
 337 }
 338
 339 //-----------------------------------------------------------------------------
 340 // "map_event" from m_widget
 341 //-----------------------------------------------------------------------------
 342
 343 extern "C" {
 344 static gboolean
 345 gtk_frame_map_callback( GtkWidget*,
 346                         GdkEvent * WXUNUSED(event),
 347                         wxTopLevelWindow *win )
 348 {
 349     const bool wasIconized = win->IsIconized();
 350     if (wasIconized)
 351     {
 352         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 353         // a size event must be generated, just in case GetClientSize() was
 354         // called while iconized. This specifically happens when restoring a
 355         // tlw that was "rolled up" with some WMs.
 356         // Queue a resize rather than sending size event directly to allow
 357         // children to be made visible first.
 358         win->m_oldClientWidth = 0;
 359         gtk_widget_queue_resize(win->m_wxwindow);
 360     }
 361     // it is possible for m_isShown to be false here, see bug #9909
 362     if (win->wxWindowBase::Show(true))
 363     {
 364         wxShowEvent eventShow(win->GetId(), true);
 365         eventShow.SetEventObject(win);
 366         win->GetEventHandler()->ProcessEvent(eventShow);
 367     }
 368
 369 #if GTK_CHECK_VERSION(2,6,0)
 370     if (!gtk_check_version(2,6,0))
 371     {
 372         // restore focus-on-map setting in case ShowWithoutActivating() was called
 373         gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 374     }
 375 #endif // GTK+ 2.6+
 376
 377     return false;
 378 }
 379 }
 380
 381 //-----------------------------------------------------------------------------
 382 // "window-state-event" from m_widget
 383 //-----------------------------------------------------------------------------
 384
 385 extern "C" {
 386 static gboolean
 387 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 388                           GdkEventWindowState *event,
 389                           wxTopLevelWindow *win )
 390 {
 391     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 392         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 393
 394     // if maximized bit changed and it is now set
 395     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 396     {
 397         wxMaximizeEvent event(win->GetId());
 398         event.SetEventObject(win);
 399         win->HandleWindowEvent(event);
 400     }
 401
 402     return false;
 403 }
 404 }
 405
 406 //-----------------------------------------------------------------------------
 407
 408 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 409 {
 410 #ifdef GDK_WINDOWING_X11
 411     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 412     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 413                         gdk_drawable_get_display(window), property);
 414     Atom type;
 415     int format;
 416     gulong nitems, bytes_after;
 417     guchar* data;
 418     Status status = XGetWindowProperty(
 419         gdk_x11_drawable_get_xdisplay(window),
 420         gdk_x11_drawable_get_xid(window),
 421         xproperty,
 422         0, 4, false, XA_CARDINAL,
 423         &type, &format, &nitems, &bytes_after, &data);
 424     const bool success = status == Success && data && nitems == 4;
 425     if (success)
 426     {
 427         long* p = (long*)data;
 428         if (left)   *left   = int(p[0]);
 429         if (right)  *right  = int(p[1]);
 430         if (top)    *top    = int(p[2]);
 431         if (bottom) *bottom = int(p[3]);
 432     }
 433     if (data)
 434         XFree(data);
 435     return success;
 436 #else
 437     return false;
 438 #endif
 439 }
 440
 441 //-----------------------------------------------------------------------------
 442 // "property_notify_event" from m_widget
 443 //-----------------------------------------------------------------------------
 444
 445 extern "C" {
 446 static gboolean property_notify_event(
 447     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 448 {
 449     // Watch for changes to _NET_FRAME_EXTENTS property
 450     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 451     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 452     {
 453         if (win->m_netFrameExtentsTimerId)
 454         {
 455             // WM support for _NET_REQUEST_FRAME_EXTENTS is working
 456             gs_requestFrameExtentsStatus = 1;
 457             g_source_remove(win->m_netFrameExtentsTimerId);
 458             win->m_netFrameExtentsTimerId = 0;
 459         }
 460
 461         wxSize decorSize = win->m_decorSize;
 462         int left, right, top, bottom;
 463         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 464             decorSize.Set(left + right, top + bottom);
 465
 466         win->GTKUpdateDecorSize(decorSize);
 467     }
 468     return false;
 469 }
 470 }
 471
 472 extern "C" {
 473 static gboolean request_frame_extents_timeout(void* data)
 474 {
 475     // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
 476     gs_requestFrameExtentsStatus = 2;
 477     gdk_threads_enter();
 478     wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
 479     win->m_netFrameExtentsTimerId = 0;
 480     wxSize decorSize = win->m_decorSize;
 481     int left, right, top, bottom;
 482     if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
 483         decorSize.Set(left + right, top + bottom);
 484     win->GTKUpdateDecorSize(decorSize);
 485     gdk_threads_leave();
 486     return false;
 487 }
 488 }
 489
 490 // ----------------------------------------------------------------------------
 491 // wxTopLevelWindowGTK creation
 492 // ----------------------------------------------------------------------------
 493
 494 void wxTopLevelWindowGTK::Init()
 495 {
 496     m_mainWidget = NULL;
 497     m_isIconized = false;
 498     m_fsIsShowing = false;
 499     m_themeEnabled = true;
 500     m_gdkDecor =
 501     m_gdkFunc = 0;
 502     m_grabbed = false;
 503     m_deferShow = true;
 504     m_deferShowAllowed = true;
 505     m_updateDecorSize = true;
 506     m_netFrameExtentsTimerId = 0;
 507
 508     m_urgency_hint = -2;
 509 }
 510
 511 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 512                                   wxWindowID id,
 513                                   const wxString& title,
 514                                   const wxPoint& pos,
 515                                   const wxSize& sizeOrig,
 516                                   long style,
 517                                   const wxString &name )
 518 {
 519     // always create a frame of some reasonable, even if arbitrary, size (at
 520     // least for MSW compatibility)
 521     wxSize size = sizeOrig;
 522     size.x = WidthDefault(size.x);
 523     size.y = HeightDefault(size.y);
 524
 525     wxTopLevelWindows.Append( this );
 526
 527     if (!PreCreation( parent, pos, size ) ||
 528         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 529     {
 530         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 531         return false;
 532     }
 533
 534     m_title = title;
 535
 536     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 537     //     e.g. in wxTaskBarIconAreaGTK
 538     if (m_widget == NULL)
 539     {
 540 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 541         // we must create HildonWindow and not a normal GtkWindow as the latter
 542         // doesn't look correctly in Maemo environment and it must also be
 543         // registered with the main program object
 544         m_widget = hildon_window_new();
 545         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 546                                   HILDON_WINDOW(m_widget));
 547 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 548         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 549         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 550         {
 551             // Tell WM that this is a dialog window and make it center
 552             // on parent by default (this is what GtkDialog ctor does):
 553             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 554                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 555             gtk_window_set_position(GTK_WINDOW(m_widget),
 556                                     GTK_WIN_POS_CENTER_ON_PARENT);
 557         }
 558         else
 559         {
 560             if (style & wxFRAME_TOOL_WINDOW)
 561             {
 562                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 563                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 564
 565                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 566                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 567                 // For consistency between WMs and with Windows, we
 568                 // should set the NO_TASKBAR flag which will apply
 569                 // the set_skip_taskbar_hint if it is available,
 570                 // ensuring no taskbar entry will appear.
 571                 style |= wxFRAME_NO_TASKBAR;
 572             }
 573         }
 574 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 575
 576         g_object_ref(m_widget);
 577     }
 578
 579     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 580     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 581                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 582                        (style & wxFRAME_FLOAT_ON_PARENT)))
 583     {
 584         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 585                                       GTK_WINDOW(topParent->m_widget) );
 586     }
 587
 588     if (style & wxFRAME_NO_TASKBAR)
 589     {
 590         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 591     }
 592
 593     if (style & wxSTAY_ON_TOP)
 594     {
 595         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 596     }
 597     if (style & wxMAXIMIZE)
 598         gtk_window_maximize(GTK_WINDOW(m_widget));
 599
 600 #if 0
 601     if (!name.empty())
 602         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 603 #endif
 604
 605     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 606     gtk_widget_set_can_focus(m_widget, false);
 607
 608     g_signal_connect (m_widget, "delete_event",
 609                       G_CALLBACK (gtk_frame_delete_callback), this);
 610
 611     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 612     m_mainWidget = gtk_vbox_new(false, 0);
 613     gtk_widget_show( m_mainWidget );
 614     gtk_widget_set_can_focus(m_mainWidget, false);
 615     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 616
 617     // m_wxwindow is the client area
 618     m_wxwindow = wxPizza::New();
 619     gtk_widget_show( m_wxwindow );
 620     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 621
 622     // we donm't allow the frame to get the focus as otherwise
 623     // the frame will grab it at arbitrary focus changes
 624     gtk_widget_set_can_focus(m_wxwindow, false);
 625
 626     if (m_parent) m_parent->AddChild( this );
 627
 628     g_signal_connect(m_wxwindow, "size_allocate",
 629         G_CALLBACK(size_allocate), this);
 630
 631     g_signal_connect (m_widget, "size_request",
 632                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 633     PostCreation();
 634
 635 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 636     if ((m_x != -1) || (m_y != -1))
 637         gtk_widget_set_uposition( m_widget, m_x, m_y );
 638 #endif
 639
 640     // for some reported size corrections
 641     g_signal_connect (m_widget, "map_event",
 642                       G_CALLBACK (gtk_frame_map_callback), this);
 643
 644     // for iconized state
 645     g_signal_connect (m_widget, "window_state_event",
 646                       G_CALLBACK (gtk_frame_window_state_callback), this);
 647
 648
 649     // for wxMoveEvent
 650     g_signal_connect (m_widget, "configure_event",
 651                       G_CALLBACK (gtk_frame_configure_callback), this);
 652
 653     // activation
 654     g_signal_connect_after (m_widget, "focus_in_event",
 655                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 656     g_signal_connect_after (m_widget, "focus_out_event",
 657                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 658
 659     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 660     g_signal_connect(m_widget, "property_notify_event",
 661         G_CALLBACK(property_notify_event), this);
 662
 663     // translate wx decorations styles into Motif WM hints (they are recognized
 664     // by other WMs as well)
 665
 666     // always enable moving the window as we have no separate flag for enabling
 667     // it
 668     m_gdkFunc = GDK_FUNC_MOVE;
 669
 670     if ( style & wxCLOSE_BOX )
 671         m_gdkFunc |= GDK_FUNC_CLOSE;
 672
 673     if ( style & wxMINIMIZE_BOX )
 674         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 675
 676     if ( style & wxMAXIMIZE_BOX )
 677         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 678
 679     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 680     {
 681         m_gdkDecor = 0;
 682     }
 683     else // have border
 684     {
 685         m_gdkDecor = GDK_DECOR_BORDER;
 686
 687         if ( style & wxCAPTION )
 688             m_gdkDecor |= GDK_DECOR_TITLE;
 689
 690         if ( style & wxSYSTEM_MENU )
 691             m_gdkDecor |= GDK_DECOR_MENU;
 692
 693         if ( style & wxMINIMIZE_BOX )
 694             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 695
 696         if ( style & wxMAXIMIZE_BOX )
 697             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 698
 699         if ( style & wxRESIZE_BORDER )
 700         {
 701            m_gdkFunc |= GDK_FUNC_RESIZE;
 702            m_gdkDecor |= GDK_DECOR_RESIZEH;
 703         }
 704     }
 705
 706     m_decorSize = GetCachedDecorSize();
 707     int w, h;
 708     GTKDoGetSize(&w, &h);
 709     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 710
 711     return true;
 712 }
 713
 714 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 715 {
 716     if ( m_netFrameExtentsTimerId )
 717     {
 718         // Don't let the timer callback fire as the window pointer passed to it
 719         // will become invalid very soon.
 720         g_source_remove(m_netFrameExtentsTimerId);
 721     }
 722
 723 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 724     // it can also be a (standard) dialog
 725     if ( HILDON_IS_WINDOW(m_widget) )
 726     {
 727         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 728                                      HILDON_WINDOW(m_widget));
 729     }
 730 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 731
 732     if (m_grabbed)
 733     {
 734         wxFAIL_MSG(wxT("Window still grabbed"));
 735         RemoveGrab();
 736     }
 737
 738     SendDestroyEvent();
 739
 740     // it may also be GtkScrolledWindow in the case of an MDI child
 741     if (GTK_IS_WINDOW(m_widget))
 742     {
 743         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 744     }
 745
 746     if (g_activeFrame == this)
 747         g_activeFrame = NULL;
 748     if (g_lastActiveFrame == this)
 749         g_lastActiveFrame = NULL;
 750 }
 751
 752 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 753 {
 754     if (enable)
 755         m_gdkFunc |= GDK_FUNC_CLOSE;
 756     else
 757         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 758
 759     GdkWindow* window = gtk_widget_get_window(m_widget);
 760     if (window)
 761         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 762
 763     return true;
 764 }
 765
 766 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 767 {
 768     if (show == m_fsIsShowing)
 769         return false; // return what?
 770
 771     m_fsIsShowing = show;
 772
 773 #ifdef GDK_WINDOWING_X11
 774     wxX11FullScreenMethod method =
 775         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 776                                  (WXWindow)GDK_ROOT_WINDOW());
 777
 778     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 779     //     to switch to fullscreen, which is not always available. We must
 780     //     check if WM supports the spec and use legacy methods if it
 781     //     doesn't.
 782     if ( method == wxX11_FS_WMSPEC )
 783 #endif // GDK_WINDOWING_X11
 784     {
 785         if (show)
 786             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 787         else
 788             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 789     }
 790 #ifdef GDK_WINDOWING_X11
 791     else
 792     {
 793         GdkWindow* window = gtk_widget_get_window(m_widget);
 794
 795         if (show)
 796         {
 797             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 798             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 799
 800             int screen_width,screen_height;
 801             wxDisplaySize( &screen_width, &screen_height );
 802
 803             gint client_x, client_y, root_x, root_y;
 804             gint width, height;
 805
 806             m_fsSaveGdkFunc = m_gdkFunc;
 807             m_fsSaveGdkDecor = m_gdkDecor;
 808             m_gdkFunc = m_gdkDecor = 0;
 809             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 810             gdk_window_set_functions(window, (GdkWMFunction)0);
 811
 812             gdk_window_get_origin(window, &root_x, &root_y);
 813             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height, NULL);
 814
 815             gdk_window_move_resize(
 816                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 817
 818             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 819                                     (WXWindow)GDK_ROOT_WINDOW(),
 820                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 821                                     show, &m_fsSaveFrame, method);
 822         }
 823         else // hide
 824         {
 825             m_gdkFunc = m_fsSaveGdkFunc;
 826             m_gdkDecor = m_fsSaveGdkDecor;
 827             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 828             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 829
 830             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 831                                     (WXWindow)GDK_ROOT_WINDOW(),
 832                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 833                                     show, &m_fsSaveFrame, method);
 834
 835             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 836                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 837         }
 838     }
 839 #endif // GDK_WINDOWING_X11
 840
 841     // documented behaviour is to show the window if it's still hidden when
 842     // showing it full screen
 843     if (show)
 844         Show();
 845
 846     return true;
 847 }
 848
 849 // ----------------------------------------------------------------------------
 850 // overridden wxWindow methods
 851 // ----------------------------------------------------------------------------
 852
 853 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 854 {
 855     wxCHECK_RET( m_widget, wxT("invalid frame") );
 856
 857     gtk_widget_queue_draw( m_widget );
 858
 859     GdkWindow* window = NULL;
 860     if (m_wxwindow)
 861         window = gtk_widget_get_window(m_wxwindow);
 862     if (window)
 863         gdk_window_invalidate_rect(window, NULL, true);
 864 }
 865
 866 bool wxTopLevelWindowGTK::Show( bool show )
 867 {
 868     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 869
 870     bool deferShow = show && !m_isShown && m_deferShow;
 871     if (deferShow)
 872     {
 873         deferShow = gs_requestFrameExtentsStatus != 2 &&
 874             m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
 875         if (deferShow)
 876         {
 877             deferShow = g_signal_handler_find(m_widget,
 878                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 879                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 880                 0, NULL, NULL, this) != 0;
 881         }
 882         GdkScreen* screen = NULL;
 883         if (deferShow)
 884         {
 885 #ifdef GDK_WINDOWING_X11
 886             screen = gtk_widget_get_screen(m_widget);
 887             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 888             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 889 #else
 890             deferShow = false;
 891 #endif
 892             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 893             // to m_decorSize, it breaks saving/restoring window size with
 894             // GetSize()/SetSize() because it makes window bigger between each
 895             // restore and save.
 896             m_updateDecorSize = deferShow;
 897         }
 898
 899         m_deferShow = deferShow;
 900     }
 901     if (deferShow)
 902     {
 903         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 904         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 905         // notification is received, so correct frame extents are known.
 906         // This allows resizing m_widget to keep the overall size in sync with
 907         // what wxWidgets expects it to be without an obvious change in the
 908         // window size immediately after it becomes visible.
 909
 910         // Realize m_widget, so m_widget->window can be used. Realizing normally
 911         // causes the widget tree to be size_allocated, which generates size
 912         // events in the wrong order. However, the size_allocates will not be
 913         // done if the allocation is not the default (1,1).
 914         GtkAllocation alloc;
 915         gtk_widget_get_allocation(m_widget, &alloc);
 916         const int alloc_width = alloc.width;
 917         if (alloc_width == 1)
 918         {
 919             alloc.width = 2;
 920             gtk_widget_set_allocation(m_widget, &alloc);
 921         }
 922         gtk_widget_realize(m_widget);
 923         if (alloc_width == 1)
 924         {
 925             alloc.width = 1;
 926             gtk_widget_set_allocation(m_widget, &alloc);
 927         }
 928
 929 #ifdef GDK_WINDOWING_X11
 930         // send _NET_REQUEST_FRAME_EXTENTS
 931         XClientMessageEvent xevent;
 932         memset(&xevent, 0, sizeof(xevent));
 933         xevent.type = ClientMessage;
 934         GdkWindow* window = gtk_widget_get_window(m_widget);
 935         xevent.window = gdk_x11_drawable_get_xid(window);
 936         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 937             gdk_drawable_get_display(window),
 938             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 939         xevent.format = 32;
 940         Display* display = gdk_x11_drawable_get_xdisplay(window);
 941         XSendEvent(display, DefaultRootWindow(display), false,
 942             SubstructureNotifyMask | SubstructureRedirectMask,
 943             (XEvent*)&xevent);
 944 #endif // GDK_WINDOWING_X11
 945
 946         if (gs_requestFrameExtentsStatus == 0)
 947         {
 948             // if WM does not respond to request within 1 second,
 949             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 950             m_netFrameExtentsTimerId =
 951                 g_timeout_add(1000, request_frame_extents_timeout, this);
 952         }
 953
 954         // defer calling gtk_widget_show()
 955         m_isShown = true;
 956         return true;
 957     }
 958
 959     if (show && !gtk_widget_get_realized(m_widget))
 960     {
 961         // size_allocate signals occur in reverse order (bottom to top).
 962         // Things work better if the initial wxSizeEvents are sent (from the
 963         // top down), before the initial size_allocate signals occur.
 964         wxSizeEvent event(GetSize(), GetId());
 965         event.SetEventObject(this);
 966         HandleWindowEvent(event);
 967     }
 968
 969     bool change = base_type::Show(show);
 970
 971     if (change && !show)
 972     {
 973         // make sure window has a non-default position, so when it is shown
 974         // again, it won't be repositioned by WM as if it were a new window
 975         // Note that this must be done _after_ the window is hidden.
 976         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 977     }
 978
 979     return change;
 980 }
 981
 982 void wxTopLevelWindowGTK::ShowWithoutActivating()
 983 {
 984     if (!m_isShown)
 985     {
 986 #if GTK_CHECK_VERSION(2,6,0)
 987         if (!gtk_check_version(2,6,0))
 988             gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 989 #endif // GTK+ 2.6+
 990
 991         Show(true);
 992     }
 993 }
 994
 995 void wxTopLevelWindowGTK::Raise()
 996 {
 997     gtk_window_present( GTK_WINDOW( m_widget ) );
 998 }
 999
1000 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1001 {
1002     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1003 }
1004
1005 // ----------------------------------------------------------------------------
1006 // window geometry
1007 // ----------------------------------------------------------------------------
1008
1009 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1010 {
1011     wxSize size(m_width, m_height);
1012     size -= m_decorSize;
1013     if (size.x < 0) size.x = 0;
1014     if (size.y < 0) size.y = 0;
1015 #if wxUSE_LIBHILDON2
1016     if (width) {
1017        if (size.x == 720)
1018                *width = 696;
1019        else
1020                *width = size.x;
1021     }
1022     if (height) {
1023        if (size.y == 420)
1024                *height = 396;
1025        else if (size.y == 270)
1026                *height = 246;
1027             else
1028                *height = size.y;
1029     }
1030 #else // wxUSE_LIBHILDON2
1031     if (width)  *width  = size.x;
1032     if (height) *height = size.y;
1033 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1034 }
1035
1036 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1037 {
1038     wxCHECK_RET( m_widget, wxT("invalid frame") );
1039
1040     m_deferShowAllowed = true;
1041
1042     // deal with the position first
1043     int old_x = m_x;
1044     int old_y = m_y;
1045
1046     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1047     {
1048         // -1 means "use existing" unless the flag above is specified
1049         if ( x != -1 )
1050             m_x = x;
1051         if ( y != -1 )
1052             m_y = y;
1053     }
1054     else // wxSIZE_ALLOW_MINUS_ONE
1055     {
1056         m_x = x;
1057         m_y = y;
1058     }
1059
1060     if ( m_x != old_x || m_y != old_y )
1061     {
1062         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1063     }
1064
1065     const wxSize oldSize(m_width, m_height);
1066     if (width >= 0)
1067         m_width = width;
1068     if (height >= 0)
1069         m_height = height;
1070     ConstrainSize();
1071     if (m_width != oldSize.x || m_height != oldSize.y)
1072     {
1073         int w, h;
1074         GTKDoGetSize(&w, &h);
1075         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1076
1077         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1078         wxSizeEvent event(GetSize(), GetId());
1079         event.SetEventObject(this);
1080         HandleWindowEvent(event);
1081     }
1082 }
1083
1084 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1085 {
1086     base_type::DoSetClientSize(width, height);
1087
1088     // Since client size is being explicitly set, don't change it later
1089     // Has to be done after calling base because it calls SetSize,
1090     // which sets this true
1091     m_deferShowAllowed = false;
1092 }
1093
1094 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1095 {
1096     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1097
1098     if ( IsIconized() )
1099     {
1100         // for consistency with wxMSW, client area is supposed to be empty for
1101         // the iconized windows
1102         if ( width )
1103             *width = 0;
1104         if ( height )
1105             *height = 0;
1106     }
1107     else
1108     {
1109         GTKDoGetSize(width, height);
1110     }
1111 }
1112
1113 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1114                                           int maxW, int maxH,
1115                                           int incW, int incH )
1116 {
1117     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1118
1119     const wxSize minSize = GetMinSize();
1120     const wxSize maxSize = GetMaxSize();
1121     GdkGeometry hints;
1122     int hints_mask = 0;
1123     if (minSize.x > 0 || minSize.y > 0)
1124     {
1125         hints_mask |= GDK_HINT_MIN_SIZE;
1126         hints.min_width = minSize.x - m_decorSize.x;
1127         if (hints.min_width < 0)
1128             hints.min_width = 0;
1129         hints.min_height = minSize.y - m_decorSize.y;
1130         if (hints.min_height < 0)
1131             hints.min_height = 0;
1132     }
1133     if (maxSize.x > 0 || maxSize.y > 0)
1134     {
1135         hints_mask |= GDK_HINT_MAX_SIZE;
1136         hints.max_width = maxSize.x - m_decorSize.x;
1137         if (hints.max_width < 0)
1138             hints.max_width = INT_MAX;
1139         hints.max_height = maxSize.y - m_decorSize.y;
1140         if (hints.max_height < 0)
1141             hints.max_height = INT_MAX;
1142     }
1143     if (incW > 0 || incH > 0)
1144     {
1145         hints_mask |= GDK_HINT_RESIZE_INC;
1146         hints.width_inc  = incW > 0 ? incW : 1;
1147         hints.height_inc = incH > 0 ? incH : 1;
1148     }
1149     gtk_window_set_geometry_hints(
1150         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1151 }
1152
1153 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1154 {
1155     if (!IsMaximized() && !IsFullScreen())
1156         GetCachedDecorSize() = decorSize;
1157     if (m_updateDecorSize && m_decorSize != decorSize)
1158     {
1159         const wxSize diff = decorSize - m_decorSize;
1160         m_decorSize = decorSize;
1161         bool resized = false;
1162         if (m_deferShow)
1163         {
1164             // keep overall size unchanged by shrinking m_widget
1165             int w, h;
1166             GTKDoGetSize(&w, &h);
1167             // but not if size would be less than minimum, it won't take effect
1168             const wxSize minSize = GetMinSize();
1169             if (w >= minSize.x && h >= minSize.y)
1170             {
1171                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1172                 resized = true;
1173             }
1174         }
1175         if (!resized)
1176         {
1177             // adjust overall size to match change in frame extents
1178             m_width  += diff.x;
1179             m_height += diff.y;
1180             if (m_width  < 0) m_width  = 0;
1181             if (m_height < 0) m_height = 0;
1182             m_oldClientWidth = 0;
1183             gtk_widget_queue_resize(m_wxwindow);
1184         }
1185     }
1186     if (m_deferShow)
1187     {
1188         // gtk_widget_show() was deferred, do it now
1189         m_deferShow = false;
1190         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1191         wxSizeEvent sizeEvent(GetSize(), GetId());
1192         sizeEvent.SetEventObject(this);
1193         HandleWindowEvent(sizeEvent);
1194
1195         gtk_widget_show(m_widget);
1196
1197         wxShowEvent showEvent(GetId(), true);
1198         showEvent.SetEventObject(this);
1199         HandleWindowEvent(showEvent);
1200     }
1201 }
1202
1203 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1204 {
1205     static wxSize size[8];
1206
1207     int index = 0;
1208     // title bar
1209     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1210         index = 1;
1211     // border
1212     if (m_gdkDecor & GDK_DECOR_BORDER)
1213         index |= 2;
1214     // utility window decor can be different
1215     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1216         index |= 4;
1217     return size[index];
1218 }
1219
1220 void wxTopLevelWindowGTK::OnInternalIdle()
1221 {
1222     wxTopLevelWindowBase::OnInternalIdle();
1223
1224     // Synthetize activate events.
1225     if ( g_sendActivateEvent != -1 )
1226     {
1227         bool activate = g_sendActivateEvent != 0;
1228
1229         // if (!activate) wxPrintf( wxT("de") );
1230         // wxPrintf( wxT("activate\n") );
1231
1232         // do it only once
1233         g_sendActivateEvent = -1;
1234
1235         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1236     }
1237 }
1238
1239 // ----------------------------------------------------------------------------
1240 // frame title/icon
1241 // ----------------------------------------------------------------------------
1242
1243 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1244 {
1245     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1246
1247     if ( title == m_title )
1248         return;
1249
1250     m_title = title;
1251
1252     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1253 }
1254
1255 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1256 {
1257     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1258
1259     base_type::SetIcons(icons);
1260
1261     // Setting icons before window is realized can cause a GTK assertion if
1262     // another TLW is realized before this one, and it has this one as it's
1263     // transient parent. The life demo exibits this problem.
1264     if (gtk_widget_get_realized(m_widget))
1265     {
1266         GList* list = NULL;
1267         for (size_t i = icons.GetIconCount(); i--;)
1268             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1269         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1270         g_list_free(list);
1271     }
1272 }
1273
1274 // ----------------------------------------------------------------------------
1275 // frame state: maximized/iconized/normal
1276 // ----------------------------------------------------------------------------
1277
1278 void wxTopLevelWindowGTK::Maximize(bool maximize)
1279 {
1280     if (maximize)
1281         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1282     else
1283         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1284 }
1285
1286 bool wxTopLevelWindowGTK::IsMaximized() const
1287 {
1288     GdkWindow* window = NULL;
1289     if (m_widget)
1290         window = gtk_widget_get_window(m_widget);
1291     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1292 }
1293
1294 void wxTopLevelWindowGTK::Restore()
1295 {
1296     // "Present" seems similar enough to "restore"
1297     gtk_window_present( GTK_WINDOW( m_widget ) );
1298 }
1299
1300 void wxTopLevelWindowGTK::Iconize( bool iconize )
1301 {
1302     if (iconize)
1303         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1304     else
1305         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1306 }
1307
1308 bool wxTopLevelWindowGTK::IsIconized() const
1309 {
1310     return m_isIconized;
1311 }
1312
1313 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1314 {
1315     if ( iconize != m_isIconized )
1316     {
1317         m_isIconized = iconize;
1318         (void)SendIconizeEvent(iconize);
1319     }
1320 }
1321
1322 void wxTopLevelWindowGTK::AddGrab()
1323 {
1324     if (!m_grabbed)
1325     {
1326         m_grabbed = true;
1327         gtk_grab_add( m_widget );
1328         wxGUIEventLoop().Run();
1329         gtk_grab_remove( m_widget );
1330     }
1331 }
1332
1333 void wxTopLevelWindowGTK::RemoveGrab()
1334 {
1335     if (m_grabbed)
1336     {
1337         gtk_main_quit();
1338         m_grabbed = false;
1339     }
1340 }
1341
1342 bool wxTopLevelWindowGTK::IsActive()
1343 {
1344     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1345 }
1346
1347 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1348 {
1349     bool new_hint_value = false;
1350
1351     // FIXME: This is a workaround to focus handling problem
1352     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1353     // hasn't yet been processed, and the internal focus system is not up to date yet.
1354     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1355     // won't have side effects) - MR
1356     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1357
1358     if(m_urgency_hint >= 0)
1359         g_source_remove(m_urgency_hint);
1360
1361     m_urgency_hint = -2;
1362
1363     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1364     {
1365         new_hint_value = true;
1366
1367         if (flags & wxUSER_ATTENTION_INFO)
1368         {
1369             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1370         } else {
1371             m_urgency_hint = -1;
1372         }
1373     }
1374
1375     gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1376 }
1377
1378 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1379 {
1380     // Store which styles were changed
1381     long styleChanges = style ^ m_windowStyle;
1382
1383     // Process wxWindow styles. This also updates the internal variable
1384     // Therefore m_windowStyle bits carry now the _new_ style values
1385     wxWindow::SetWindowStyleFlag(style);
1386
1387     // just return for now if widget does not exist yet
1388     if (!m_widget)
1389         return;
1390
1391     if ( styleChanges & wxSTAY_ON_TOP )
1392     {
1393         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1394                                   m_windowStyle & wxSTAY_ON_TOP);
1395     }
1396
1397     if ( styleChanges & wxFRAME_NO_TASKBAR )
1398     {
1399         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1400                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1401     }
1402 }
1403
1404 #ifdef GDK_WINDOWING_X11
1405 /* Get the X Window between child and the root window.
1406    This should usually be the WM managed XID */
1407 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1408 {
1409     Window root, parent;
1410     Window* children;
1411     unsigned int nchildren;
1412
1413     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1414     XFree(children);
1415
1416     while (parent != root) {
1417         child = parent;
1418         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1419         XFree(children);
1420     }
1421
1422     return child;
1423 }
1424 #endif // GDK_WINDOWING_X11
1425
1426 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1427 {
1428     GdkWindow* window = NULL;
1429     if (m_widget)
1430         window = gtk_widget_get_window(m_widget);
1431     if (window == NULL)
1432         return false;
1433
1434 #ifdef GDK_WINDOWING_X11
1435     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1436     // We need to get the X Window that has the root window as the immediate parent
1437     // and m_widget->window as a child. This should be the X Window that the WM manages and
1438     // from which the opacity property is checked from.
1439     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID(window));
1440
1441
1442     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1443     if (alpha == 0xff)
1444         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1445     else
1446     {
1447         long opacity = alpha * 0x1010101L;
1448         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1449                         XA_CARDINAL, 32, PropModeReplace,
1450                         (unsigned char *) &opacity, 1L);
1451     }
1452     XSync(dpy, False);
1453     return true;
1454 #else // !GDK_WINDOWING_X11
1455     return false;
1456 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1457 }
1458
1459 bool wxTopLevelWindowGTK::CanSetTransparent()
1460 {
1461     // allow to override automatic detection as it's far from perfect
1462     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1463     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1464     {
1465         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1466     }
1467
1468 #if GTK_CHECK_VERSION(2,10,0)
1469     if (!gtk_check_version(2,10,0))
1470     {
1471         return (gtk_widget_is_composited (m_widget));
1472     }
1473     else
1474 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1475     {
1476         return false;
1477     }
1478
1479 #if 0 // Don't be optimistic here for the sake of wxAUI
1480     int opcode, event, error;
1481     // Check for the existence of a RGBA visual instead?
1482     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1483                            "Composite", &opcode, &event, &error);
1484 #endif
1485 }