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/evtloop.h"
  35 #include "wx/sysopt.h"
  36
  37 #include <gtk/gtk.h>
  38 #ifdef GDK_WINDOWING_X11
  39     #include <gdk/gdkx.h>
  40     #include <X11/Xatom.h>  // XA_CARDINAL
  41     #include "wx/unix/utilsx11.h"
  42 #endif
  43
  44 #include "wx/gtk/private.h"
  45 #include "wx/gtk/private/gtk2-compat.h"
  46 #include "wx/gtk/private/win_gtk.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 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
  76 //   0 == not tested yet, 1 == working, 2 == broken
  77 static int gs_requestFrameExtentsStatus;
  78
  79 //-----------------------------------------------------------------------------
  80 // RequestUserAttention related functions
  81 //-----------------------------------------------------------------------------
  82
  83 #ifndef __WXGTK3__
  84 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  85                                            gboolean setting)
  86 {
  87 #if GTK_CHECK_VERSION(2,7,0)
  88     if (gtk_check_version(2,7,0) == NULL)
  89         gtk_window_set_urgency_hint(win, setting);
  90     else
  91 #endif
  92     {
  93 #ifdef GDK_WINDOWING_X11
  94         GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
  95         wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
  96
  97         Display* dpy = GDK_WINDOW_XDISPLAY(window);
  98         Window xid = GDK_WINDOW_XID(window);
  99         XWMHints* wm_hints = XGetWMHints(dpy, xid);
 100
 101         if (!wm_hints)
 102             wm_hints = XAllocWMHints();
 103
 104         if (setting)
 105             wm_hints->flags |= XUrgencyHint;
 106         else
 107             wm_hints->flags &= ~XUrgencyHint;
 108
 109         XSetWMHints(dpy, xid, wm_hints);
 110         XFree(wm_hints);
 111 #endif // GDK_WINDOWING_X11
 112     }
 113 }
 114 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
 115 #endif
 116
 117 extern "C" {
 118 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 119 {
 120     gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 121
 122     win->m_urgency_hint = -2;
 123     return FALSE;
 124 }
 125 }
 126
 127 //-----------------------------------------------------------------------------
 128 // "focus_in_event"
 129 //-----------------------------------------------------------------------------
 130
 131 extern "C" {
 132 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 133                                          GdkEvent *WXUNUSED(event),
 134                                          wxTopLevelWindowGTK *win )
 135 {
 136     switch ( g_sendActivateEvent )
 137     {
 138         case -1:
 139             // we've got focus from outside, synthetize wxActivateEvent
 140             g_sendActivateEvent = 1;
 141             break;
 142
 143         case 0:
 144             // another our window just lost focus, it was already ours before
 145             // - don't send any wxActivateEvent
 146             g_sendActivateEvent = -1;
 147             break;
 148     }
 149
 150     g_activeFrame = win;
 151     g_lastActiveFrame = g_activeFrame;
 152
 153     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 154
 155     // MR: wxRequestUserAttention related block
 156     switch( win->m_urgency_hint )
 157     {
 158         default:
 159             g_source_remove( win->m_urgency_hint );
 160             // no break, fallthrough to remove hint too
 161         case -1:
 162             gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
 163             win->m_urgency_hint = -2;
 164             break;
 165
 166         case -2: break;
 167     }
 168
 169     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 170     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 171     event.SetEventObject(g_activeFrame);
 172     g_activeFrame->HandleWindowEvent(event);
 173
 174     return FALSE;
 175 }
 176 }
 177
 178 //-----------------------------------------------------------------------------
 179 // "focus_out_event"
 180 //-----------------------------------------------------------------------------
 181
 182 extern "C" {
 183 static
 184 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 185                                       GdkEventFocus *WXUNUSED(gdk_event),
 186                                       wxTopLevelWindowGTK * WXUNUSED(win))
 187 {
 188     // if the focus goes out of our app altogether, OnIdle() will send
 189     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 190     // g_sendActivateEvent to -1
 191     g_sendActivateEvent = 0;
 192
 193     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 194
 195     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 196
 197     if (g_activeFrame)
 198     {
 199         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 200         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 201         event.SetEventObject(g_activeFrame);
 202         g_activeFrame->HandleWindowEvent(event);
 203
 204         g_activeFrame = NULL;
 205     }
 206
 207     return FALSE;
 208 }
 209 }
 210
 211 //-----------------------------------------------------------------------------
 212 // "size_allocate" from m_wxwindow
 213 //-----------------------------------------------------------------------------
 214
 215 extern "C" {
 216 static void
 217 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 218 {
 219     if (win->m_oldClientWidth  != alloc->width ||
 220         win->m_oldClientHeight != alloc->height)
 221     {
 222         win->m_oldClientWidth  = alloc->width;
 223         win->m_oldClientHeight = alloc->height;
 224
 225         GtkAllocation a;
 226         gtk_widget_get_allocation(win->m_widget, &a);
 227         wxSize size(a.width, a.height);
 228         size += win->m_decorSize;
 229         win->m_width  = size.x;
 230         win->m_height = size.y;
 231
 232         if (!win->IsIconized())
 233         {
 234             wxSizeEvent event(size, win->GetId());
 235             event.SetEventObject(win);
 236             win->HandleWindowEvent(event);
 237         }
 238         // else the window is currently unmapped, don't generate size events
 239     }
 240 }
 241 }
 242
 243 //-----------------------------------------------------------------------------
 244 // "delete_event"
 245 //-----------------------------------------------------------------------------
 246
 247 extern "C" {
 248 static gboolean
 249 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 250                            GdkEvent *WXUNUSED(event),
 251                            wxTopLevelWindowGTK *win )
 252 {
 253     if (win->IsEnabled() &&
 254         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 255          win->IsGrabbed()))
 256         win->Close();
 257
 258     return TRUE;
 259 }
 260 }
 261
 262 //-----------------------------------------------------------------------------
 263 // "configure_event"
 264 //-----------------------------------------------------------------------------
 265
 266 extern "C" {
 267 static gboolean
 268 gtk_frame_configure_callback( GtkWidget* widget,
 269                               GdkEventConfigure *WXUNUSED(event),
 270                               wxTopLevelWindowGTK *win )
 271 {
 272     if (!win->m_hasVMT || !win->IsShown())
 273         return FALSE;
 274
 275     wxPoint point;
 276     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 277
 278     win->m_x = point.x;
 279     win->m_y = point.y;
 280     wxMoveEvent mevent(point, win->GetId());
 281     mevent.SetEventObject( win );
 282     win->HandleWindowEvent( mevent );
 283
 284     return FALSE;
 285 }
 286 }
 287
 288 //-----------------------------------------------------------------------------
 289 // "realize" from m_widget
 290 //-----------------------------------------------------------------------------
 291
 292 // we cannot the WM hints and icons before the widget has been realized,
 293 // so we do this directly after realization
 294
 295 void wxTopLevelWindowGTK::GTKHandleRealized()
 296 {
 297     wxNonOwnedWindow::GTKHandleRealized();
 298
 299     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 300                                (GdkWMDecoration)m_gdkDecor);
 301     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 302                                (GdkWMFunction)m_gdkFunc);
 303
 304     // GTK's shrinking/growing policy
 305     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 306         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 307 #ifndef __WXGTK3__
 308     else
 309         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 310 #endif
 311
 312     const wxIconBundle& icons = GetIcons();
 313     if (icons.GetIconCount())
 314         SetIcons(icons);
 315
 316 #ifdef __WXGTK3__
 317     if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
 318     {
 319         // Grip window can end up obscured, probably due to deferred show.
 320         // Reset grip to ensure it is visible.
 321         gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
 322         gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
 323     }
 324 #endif
 325 }
 326
 327 //-----------------------------------------------------------------------------
 328 // "map_event" from m_widget
 329 //-----------------------------------------------------------------------------
 330
 331 extern "C" {
 332 static gboolean
 333 gtk_frame_map_callback( GtkWidget*,
 334                         GdkEvent * WXUNUSED(event),
 335                         wxTopLevelWindow *win )
 336 {
 337     const bool wasIconized = win->IsIconized();
 338     if (wasIconized)
 339     {
 340         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 341         // a size event must be generated, just in case GetClientSize() was
 342         // called while iconized. This specifically happens when restoring a
 343         // tlw that was "rolled up" with some WMs.
 344         // Queue a resize rather than sending size event directly to allow
 345         // children to be made visible first.
 346         win->m_oldClientWidth = 0;
 347         gtk_widget_queue_resize(win->m_wxwindow);
 348     }
 349     // it is possible for m_isShown to be false here, see bug #9909
 350     if (win->wxWindowBase::Show(true))
 351     {
 352         wxShowEvent eventShow(win->GetId(), true);
 353         eventShow.SetEventObject(win);
 354         win->GetEventHandler()->ProcessEvent(eventShow);
 355     }
 356
 357     // restore focus-on-map setting in case ShowWithoutActivating() was called
 358     gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 359
 360     return false;
 361 }
 362 }
 363
 364 //-----------------------------------------------------------------------------
 365 // "window-state-event" from m_widget
 366 //-----------------------------------------------------------------------------
 367
 368 extern "C" {
 369 static gboolean
 370 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 371                           GdkEventWindowState *event,
 372                           wxTopLevelWindow *win )
 373 {
 374     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 375         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 376
 377     // if maximized bit changed and it is now set
 378     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 379     {
 380         wxMaximizeEvent event(win->GetId());
 381         event.SetEventObject(win);
 382         win->HandleWindowEvent(event);
 383     }
 384
 385     return false;
 386 }
 387 }
 388
 389 //-----------------------------------------------------------------------------
 390
 391 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 392 {
 393 #ifdef GDK_WINDOWING_X11
 394     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 395     GdkDisplay* display = gdk_window_get_display(window);
 396     Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
 397     Atom type;
 398     int format;
 399     gulong nitems, bytes_after;
 400     guchar* data;
 401     Status status = XGetWindowProperty(
 402         GDK_DISPLAY_XDISPLAY(display),
 403         GDK_WINDOW_XID(window),
 404         xproperty,
 405         0, 4, false, XA_CARDINAL,
 406         &type, &format, &nitems, &bytes_after, &data);
 407     const bool success = status == Success && data && nitems == 4;
 408     if (success)
 409     {
 410         long* p = (long*)data;
 411         if (left)   *left   = int(p[0]);
 412         if (right)  *right  = int(p[1]);
 413         if (top)    *top    = int(p[2]);
 414         if (bottom) *bottom = int(p[3]);
 415     }
 416     if (data)
 417         XFree(data);
 418     return success;
 419 #else
 420     return false;
 421 #endif
 422 }
 423
 424 #ifdef GDK_WINDOWING_X11
 425 //-----------------------------------------------------------------------------
 426 // "property_notify_event" from m_widget
 427 //-----------------------------------------------------------------------------
 428
 429 extern "C" {
 430 static gboolean property_notify_event(
 431     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 432 {
 433     // Watch for changes to _NET_FRAME_EXTENTS property
 434     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 435     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 436     {
 437         if (win->m_netFrameExtentsTimerId)
 438         {
 439             // WM support for _NET_REQUEST_FRAME_EXTENTS is working
 440             gs_requestFrameExtentsStatus = 1;
 441             g_source_remove(win->m_netFrameExtentsTimerId);
 442             win->m_netFrameExtentsTimerId = 0;
 443         }
 444
 445         wxSize decorSize = win->m_decorSize;
 446         int left, right, top, bottom;
 447         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 448             decorSize.Set(left + right, top + bottom);
 449
 450         win->GTKUpdateDecorSize(decorSize);
 451     }
 452     return false;
 453 }
 454 }
 455
 456 extern "C" {
 457 static gboolean request_frame_extents_timeout(void* data)
 458 {
 459     // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
 460     gs_requestFrameExtentsStatus = 2;
 461     gdk_threads_enter();
 462     wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
 463     win->m_netFrameExtentsTimerId = 0;
 464     wxSize decorSize = win->m_decorSize;
 465     int left, right, top, bottom;
 466     if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
 467         decorSize.Set(left + right, top + bottom);
 468     win->GTKUpdateDecorSize(decorSize);
 469     gdk_threads_leave();
 470     return false;
 471 }
 472 }
 473 #endif // GDK_WINDOWING_X11
 474
 475 // ----------------------------------------------------------------------------
 476 // wxTopLevelWindowGTK creation
 477 // ----------------------------------------------------------------------------
 478
 479 void wxTopLevelWindowGTK::Init()
 480 {
 481     m_mainWidget = NULL;
 482     m_isIconized = false;
 483     m_fsIsShowing = false;
 484     m_themeEnabled = true;
 485     m_gdkDecor =
 486     m_gdkFunc = 0;
 487     m_grabbed = false;
 488     m_deferShow = true;
 489     m_deferShowAllowed = true;
 490     m_updateDecorSize = true;
 491     m_netFrameExtentsTimerId = 0;
 492     m_incWidth = m_incHeight = 0;
 493
 494     m_urgency_hint = -2;
 495 }
 496
 497 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 498                                   wxWindowID id,
 499                                   const wxString& title,
 500                                   const wxPoint& pos,
 501                                   const wxSize& sizeOrig,
 502                                   long style,
 503                                   const wxString &name )
 504 {
 505     // always create a frame of some reasonable, even if arbitrary, size (at
 506     // least for MSW compatibility)
 507     wxSize size = sizeOrig;
 508     size.x = WidthDefault(size.x);
 509     size.y = HeightDefault(size.y);
 510
 511     wxTopLevelWindows.Append( this );
 512
 513     if (!PreCreation( parent, pos, size ) ||
 514         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 515     {
 516         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 517         return false;
 518     }
 519
 520     m_title = title;
 521
 522     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 523     //     e.g. in wxTaskBarIconAreaGTK
 524     if (m_widget == NULL)
 525     {
 526 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 527         // we must create HildonWindow and not a normal GtkWindow as the latter
 528         // doesn't look correctly in Maemo environment and it must also be
 529         // registered with the main program object
 530         m_widget = hildon_window_new();
 531         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 532                                   HILDON_WINDOW(m_widget));
 533 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 534         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 535         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 536         {
 537             // Tell WM that this is a dialog window and make it center
 538             // on parent by default (this is what GtkDialog ctor does):
 539             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 540                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 541             gtk_window_set_position(GTK_WINDOW(m_widget),
 542                                     GTK_WIN_POS_CENTER_ON_PARENT);
 543         }
 544         else
 545         {
 546             if (style & wxFRAME_TOOL_WINDOW)
 547             {
 548                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 549                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 550
 551                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 552                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 553                 // For consistency between WMs and with Windows, we
 554                 // should set the NO_TASKBAR flag which will apply
 555                 // the set_skip_taskbar_hint if it is available,
 556                 // ensuring no taskbar entry will appear.
 557                 style |= wxFRAME_NO_TASKBAR;
 558             }
 559         }
 560 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 561
 562         g_object_ref(m_widget);
 563     }
 564
 565     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 566     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 567                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 568                        (style & wxFRAME_FLOAT_ON_PARENT)))
 569     {
 570         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 571                                       GTK_WINDOW(topParent->m_widget) );
 572     }
 573
 574     if (style & wxFRAME_NO_TASKBAR)
 575     {
 576         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 577     }
 578
 579     if (style & wxSTAY_ON_TOP)
 580     {
 581         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 582     }
 583     if (style & wxMAXIMIZE)
 584         gtk_window_maximize(GTK_WINDOW(m_widget));
 585
 586 #if 0
 587     if (!name.empty())
 588         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 589 #endif
 590
 591     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 592     gtk_widget_set_can_focus(m_widget, false);
 593
 594     g_signal_connect (m_widget, "delete_event",
 595                       G_CALLBACK (gtk_frame_delete_callback), this);
 596
 597     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 598     m_mainWidget = gtk_vbox_new(false, 0);
 599     gtk_widget_show( m_mainWidget );
 600     gtk_widget_set_can_focus(m_mainWidget, false);
 601     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 602
 603     // m_wxwindow is the client area
 604     m_wxwindow = wxPizza::New();
 605     gtk_widget_show( m_wxwindow );
 606     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 607
 608     // we donm't allow the frame to get the focus as otherwise
 609     // the frame will grab it at arbitrary focus changes
 610     gtk_widget_set_can_focus(m_wxwindow, false);
 611
 612     if (m_parent) m_parent->AddChild( this );
 613
 614     g_signal_connect(m_wxwindow, "size_allocate",
 615         G_CALLBACK(size_allocate), this);
 616
 617     PostCreation();
 618
 619 #ifndef __WXGTK3__
 620     if ((m_x != -1) || (m_y != -1))
 621         gtk_widget_set_uposition( m_widget, m_x, m_y );
 622 #endif
 623
 624     // for some reported size corrections
 625     g_signal_connect (m_widget, "map_event",
 626                       G_CALLBACK (gtk_frame_map_callback), this);
 627
 628     // for iconized state
 629     g_signal_connect (m_widget, "window_state_event",
 630                       G_CALLBACK (gtk_frame_window_state_callback), this);
 631
 632
 633     // for wxMoveEvent
 634     g_signal_connect (m_widget, "configure_event",
 635                       G_CALLBACK (gtk_frame_configure_callback), this);
 636
 637     // activation
 638     g_signal_connect_after (m_widget, "focus_in_event",
 639                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 640     g_signal_connect_after (m_widget, "focus_out_event",
 641                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 642
 643 #ifdef GDK_WINDOWING_X11
 644 #ifdef __WXGTK3__
 645     if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
 646 #endif
 647     {
 648         gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 649         g_signal_connect(m_widget, "property_notify_event",
 650             G_CALLBACK(property_notify_event), this);
 651     }
 652 #endif // GDK_WINDOWING_X11
 653
 654     // translate wx decorations styles into Motif WM hints (they are recognized
 655     // by other WMs as well)
 656
 657     // always enable moving the window as we have no separate flag for enabling
 658     // it
 659     m_gdkFunc = GDK_FUNC_MOVE;
 660
 661     if ( style & wxCLOSE_BOX )
 662         m_gdkFunc |= GDK_FUNC_CLOSE;
 663
 664     if ( style & wxMINIMIZE_BOX )
 665         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 666
 667     if ( style & wxMAXIMIZE_BOX )
 668         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 669
 670     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 671     {
 672         m_gdkDecor = 0;
 673     }
 674     else // have border
 675     {
 676         m_gdkDecor = GDK_DECOR_BORDER;
 677
 678         if ( style & wxCAPTION )
 679             m_gdkDecor |= GDK_DECOR_TITLE;
 680
 681         if ( style & wxSYSTEM_MENU )
 682             m_gdkDecor |= GDK_DECOR_MENU;
 683
 684         if ( style & wxMINIMIZE_BOX )
 685             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 686
 687         if ( style & wxMAXIMIZE_BOX )
 688             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 689
 690         if ( style & wxRESIZE_BORDER )
 691         {
 692            m_gdkFunc |= GDK_FUNC_RESIZE;
 693            m_gdkDecor |= GDK_DECOR_RESIZEH;
 694         }
 695     }
 696
 697     // GTK sometimes chooses very small size if max size hint is not explicitly set
 698     DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
 699
 700     m_decorSize = GetCachedDecorSize();
 701     int w, h;
 702     GTKDoGetSize(&w, &h);
 703     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 704
 705     return true;
 706 }
 707
 708 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 709 {
 710     if ( m_netFrameExtentsTimerId )
 711     {
 712         // Don't let the timer callback fire as the window pointer passed to it
 713         // will become invalid very soon.
 714         g_source_remove(m_netFrameExtentsTimerId);
 715     }
 716
 717 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 718     // it can also be a (standard) dialog
 719     if ( HILDON_IS_WINDOW(m_widget) )
 720     {
 721         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 722                                      HILDON_WINDOW(m_widget));
 723     }
 724 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 725
 726     if (m_grabbed)
 727     {
 728         wxFAIL_MSG(wxT("Window still grabbed"));
 729         RemoveGrab();
 730     }
 731
 732     SendDestroyEvent();
 733
 734     // it may also be GtkScrolledWindow in the case of an MDI child
 735     if (GTK_IS_WINDOW(m_widget))
 736     {
 737         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 738     }
 739
 740     if (g_activeFrame == this)
 741         g_activeFrame = NULL;
 742     if (g_lastActiveFrame == this)
 743         g_lastActiveFrame = NULL;
 744 }
 745
 746 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 747 {
 748     if (enable)
 749         m_gdkFunc |= GDK_FUNC_CLOSE;
 750     else
 751         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 752
 753     GdkWindow* window = gtk_widget_get_window(m_widget);
 754     if (window)
 755         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 756
 757     return true;
 758 }
 759
 760 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 761 {
 762     if (show == m_fsIsShowing)
 763         return false; // return what?
 764
 765     m_fsIsShowing = show;
 766
 767 #ifdef GDK_WINDOWING_X11
 768     Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
 769     Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
 770     wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
 771
 772     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 773     //     to switch to fullscreen, which is not always available. We must
 774     //     check if WM supports the spec and use legacy methods if it
 775     //     doesn't.
 776     if ( method == wxX11_FS_WMSPEC )
 777 #endif // GDK_WINDOWING_X11
 778     {
 779         if (show)
 780             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 781         else
 782             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 783     }
 784 #ifdef GDK_WINDOWING_X11
 785     else
 786     {
 787         GdkWindow* window = gtk_widget_get_window(m_widget);
 788         Window xid = GDK_WINDOW_XID(window);
 789
 790         if (show)
 791         {
 792             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 793             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 794
 795             GdkScreen* screen = gtk_widget_get_screen(m_widget);
 796             const int screen_width = gdk_screen_get_width(screen);
 797             const int screen_height = gdk_screen_get_height(screen);
 798
 799             gint client_x, client_y, root_x, root_y;
 800             gint width, height;
 801
 802             m_fsSaveGdkFunc = m_gdkFunc;
 803             m_fsSaveGdkDecor = m_gdkDecor;
 804             m_gdkFunc = m_gdkDecor = 0;
 805             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 806             gdk_window_set_functions(window, (GdkWMFunction)0);
 807
 808             gdk_window_get_origin(window, &root_x, &root_y);
 809             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
 810
 811             gdk_window_move_resize(
 812                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 813
 814             wxSetFullScreenStateX11(xdpy,
 815                                     (WXWindow)xroot,
 816                                     (WXWindow)xid,
 817                                     show, &m_fsSaveFrame, method);
 818         }
 819         else // hide
 820         {
 821             m_gdkFunc = m_fsSaveGdkFunc;
 822             m_gdkDecor = m_fsSaveGdkDecor;
 823             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 824             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 825
 826             wxSetFullScreenStateX11(xdpy,
 827                                     (WXWindow)xroot,
 828                                     (WXWindow)xid,
 829                                     show, &m_fsSaveFrame, method);
 830
 831             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 832                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 833         }
 834     }
 835 #endif // GDK_WINDOWING_X11
 836
 837     // documented behaviour is to show the window if it's still hidden when
 838     // showing it full screen
 839     if (show)
 840         Show();
 841
 842     return true;
 843 }
 844
 845 // ----------------------------------------------------------------------------
 846 // overridden wxWindow methods
 847 // ----------------------------------------------------------------------------
 848
 849 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 850 {
 851     wxCHECK_RET( m_widget, wxT("invalid frame") );
 852
 853     gtk_widget_queue_draw( m_widget );
 854
 855     GdkWindow* window = NULL;
 856     if (m_wxwindow)
 857         window = gtk_widget_get_window(m_wxwindow);
 858     if (window)
 859         gdk_window_invalidate_rect(window, NULL, true);
 860 }
 861
 862 bool wxTopLevelWindowGTK::Show( bool show )
 863 {
 864     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 865
 866 #ifdef GDK_WINDOWING_X11
 867     bool deferShow = show && !m_isShown && m_deferShow;
 868     if (deferShow)
 869     {
 870         deferShow = m_deferShowAllowed && gs_requestFrameExtentsStatus != 2 &&
 871             !gtk_widget_get_realized(m_widget) &&
 872             g_signal_handler_find(m_widget,
 873                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 874                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 875                 0, NULL, NULL, this);
 876         if (deferShow)
 877         {
 878             GdkScreen* screen = gtk_widget_get_screen(m_widget);
 879             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 880             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 881
 882             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 883             // to m_decorSize, it breaks saving/restoring window size with
 884             // GetSize()/SetSize() because it makes window bigger between each
 885             // restore and save.
 886             m_updateDecorSize = deferShow;
 887         }
 888
 889         m_deferShow = deferShow;
 890     }
 891     if (deferShow)
 892     {
 893         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 894         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 895         // notification is received, so correct frame extents are known.
 896         // This allows resizing m_widget to keep the overall size in sync with
 897         // what wxWidgets expects it to be without an obvious change in the
 898         // window size immediately after it becomes visible.
 899
 900         // Realize m_widget, so m_widget->window can be used. Realizing normally
 901         // causes the widget tree to be size_allocated, which generates size
 902         // events in the wrong order. However, the size_allocates will not be
 903         // done if the allocation is not the default (1,1).
 904         GtkAllocation alloc;
 905         gtk_widget_get_allocation(m_widget, &alloc);
 906         const int alloc_width = alloc.width;
 907         if (alloc_width == 1)
 908         {
 909             alloc.width = 2;
 910             gtk_widget_set_allocation(m_widget, &alloc);
 911         }
 912         gtk_widget_realize(m_widget);
 913         if (alloc_width == 1)
 914         {
 915             alloc.width = 1;
 916             gtk_widget_set_allocation(m_widget, &alloc);
 917         }
 918
 919         // send _NET_REQUEST_FRAME_EXTENTS
 920         XClientMessageEvent xevent;
 921         memset(&xevent, 0, sizeof(xevent));
 922         xevent.type = ClientMessage;
 923         GdkWindow* window = gtk_widget_get_window(m_widget);
 924         xevent.window = GDK_WINDOW_XID(window);
 925         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 926             gdk_window_get_display(window),
 927             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 928         xevent.format = 32;
 929         Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
 930         XSendEvent(display, DefaultRootWindow(display), false,
 931             SubstructureNotifyMask | SubstructureRedirectMask,
 932             (XEvent*)&xevent);
 933
 934         if (gs_requestFrameExtentsStatus == 0)
 935         {
 936             // if WM does not respond to request within 1 second,
 937             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 938             m_netFrameExtentsTimerId =
 939                 g_timeout_add(1000, request_frame_extents_timeout, this);
 940         }
 941
 942         // defer calling gtk_widget_show()
 943         m_isShown = true;
 944         return true;
 945     }
 946 #endif // GDK_WINDOWING_X11
 947
 948     if (show && !gtk_widget_get_realized(m_widget))
 949     {
 950         // size_allocate signals occur in reverse order (bottom to top).
 951         // Things work better if the initial wxSizeEvents are sent (from the
 952         // top down), before the initial size_allocate signals occur.
 953         wxSizeEvent event(GetSize(), GetId());
 954         event.SetEventObject(this);
 955         HandleWindowEvent(event);
 956     }
 957
 958     bool change = base_type::Show(show);
 959
 960     if (change && !show)
 961     {
 962         // make sure window has a non-default position, so when it is shown
 963         // again, it won't be repositioned by WM as if it were a new window
 964         // Note that this must be done _after_ the window is hidden.
 965         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 966     }
 967
 968     return change;
 969 }
 970
 971 void wxTopLevelWindowGTK::ShowWithoutActivating()
 972 {
 973     if (!m_isShown)
 974     {
 975         gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 976         Show(true);
 977     }
 978 }
 979
 980 void wxTopLevelWindowGTK::Raise()
 981 {
 982     gtk_window_present( GTK_WINDOW( m_widget ) );
 983 }
 984
 985 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 986 {
 987     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 988 }
 989
 990 // ----------------------------------------------------------------------------
 991 // window geometry
 992 // ----------------------------------------------------------------------------
 993
 994 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 995 {
 996     wxSize size(m_width, m_height);
 997     size -= m_decorSize;
 998     if (size.x < 0) size.x = 0;
 999     if (size.y < 0) size.y = 0;
1000 #if wxUSE_LIBHILDON2
1001     if (width) {
1002        if (size.x == 720)
1003                *width = 696;
1004        else
1005                *width = size.x;
1006     }
1007     if (height) {
1008        if (size.y == 420)
1009                *height = 396;
1010        else if (size.y == 270)
1011                *height = 246;
1012             else
1013                *height = size.y;
1014     }
1015 #else // wxUSE_LIBHILDON2
1016     if (width)  *width  = size.x;
1017     if (height) *height = size.y;
1018 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1019 }
1020
1021 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1022 {
1023     wxCHECK_RET( m_widget, wxT("invalid frame") );
1024
1025     // deal with the position first
1026     int old_x = m_x;
1027     int old_y = m_y;
1028
1029     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1030     {
1031         // -1 means "use existing" unless the flag above is specified
1032         if ( x != -1 )
1033             m_x = x;
1034         if ( y != -1 )
1035             m_y = y;
1036     }
1037     else // wxSIZE_ALLOW_MINUS_ONE
1038     {
1039         m_x = x;
1040         m_y = y;
1041     }
1042
1043     if ( m_x != old_x || m_y != old_y )
1044     {
1045         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1046     }
1047
1048     const wxSize oldSize(m_width, m_height);
1049     if (width >= 0)
1050         m_width = width;
1051     if (height >= 0)
1052         m_height = height;
1053     ConstrainSize();
1054     if (m_width < 1) m_width = 1;
1055     if (m_height < 1) m_height = 1;
1056     if (m_width != oldSize.x || m_height != oldSize.y)
1057     {
1058         m_deferShowAllowed = true;
1059
1060         int w, h;
1061         GTKDoGetSize(&w, &h);
1062         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1063
1064         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1065         wxSizeEvent event(GetSize(), GetId());
1066         event.SetEventObject(this);
1067         HandleWindowEvent(event);
1068     }
1069 }
1070
1071 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1072 {
1073     base_type::DoSetClientSize(width, height);
1074
1075     // Since client size is being explicitly set, don't change it later
1076     // Has to be done after calling base because it calls SetSize,
1077     // which sets this true
1078     m_deferShowAllowed = false;
1079 }
1080
1081 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1082 {
1083     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1084
1085     if ( IsIconized() )
1086     {
1087         // for consistency with wxMSW, client area is supposed to be empty for
1088         // the iconized windows
1089         if ( width )
1090             *width = 0;
1091         if ( height )
1092             *height = 0;
1093     }
1094     else
1095     {
1096         GTKDoGetSize(width, height);
1097     }
1098 }
1099
1100 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1101                                           int maxW, int maxH,
1102                                           int incW, int incH )
1103 {
1104     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1105     m_incWidth = incW;
1106     m_incHeight = incH;
1107
1108     const wxSize minSize = GetMinSize();
1109     const wxSize maxSize = GetMaxSize();
1110     GdkGeometry hints;
1111     // always set both min and max hints, otherwise GTK will
1112     // make assumptions we don't want about the unset values
1113     int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1114     hints.min_width = 1;
1115     hints.min_height = 1;
1116     hints.max_width = INT_MAX;
1117     hints.max_height = INT_MAX;
1118     if (minSize.x > m_decorSize.x)
1119         hints.min_width = minSize.x - m_decorSize.x;
1120     if (minSize.y > m_decorSize.y)
1121         hints.min_height = minSize.y - m_decorSize.y;
1122     if (maxSize.x > 0)
1123     {
1124         hints.max_width = maxSize.x - m_decorSize.x;
1125         if (hints.max_width < hints.min_width)
1126             hints.max_width = hints.min_width;
1127     }
1128     if (maxSize.y > 0)
1129     {
1130         hints.max_height = maxSize.y - m_decorSize.y;
1131         if (hints.max_height < hints.min_height)
1132             hints.max_height = hints.min_height;
1133     }
1134     if (incW > 0 || incH > 0)
1135     {
1136         hints_mask |= GDK_HINT_RESIZE_INC;
1137         hints.width_inc  = incW > 0 ? incW : 1;
1138         hints.height_inc = incH > 0 ? incH : 1;
1139     }
1140     gtk_window_set_geometry_hints(
1141         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1142 }
1143
1144 #ifdef GDK_WINDOWING_X11
1145 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1146 {
1147     if (!IsMaximized() && !IsFullScreen())
1148         GetCachedDecorSize() = decorSize;
1149     if (m_updateDecorSize && m_decorSize != decorSize)
1150     {
1151         const wxSize diff = decorSize - m_decorSize;
1152         m_decorSize = decorSize;
1153         bool resized = false;
1154         if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1155         {
1156             // update size hints, they depend on m_decorSize
1157             DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1158         }
1159         if (m_deferShow)
1160         {
1161             // keep overall size unchanged by shrinking m_widget
1162             int w, h;
1163             GTKDoGetSize(&w, &h);
1164             // but not if size would be less than minimum, it won't take effect
1165             if (w >= m_minWidth - decorSize.x && h >= m_minHeight - decorSize.y )
1166             {
1167                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1168                 resized = true;
1169             }
1170         }
1171         if (!resized)
1172         {
1173             // adjust overall size to match change in frame extents
1174             m_width  += diff.x;
1175             m_height += diff.y;
1176             if (m_width  < 1) m_width  = 1;
1177             if (m_height < 1) m_height = 1;
1178             m_oldClientWidth = 0;
1179             gtk_widget_queue_resize(m_wxwindow);
1180         }
1181     }
1182     if (m_deferShow)
1183     {
1184         // gtk_widget_show() was deferred, do it now
1185         m_deferShow = false;
1186         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1187         wxSizeEvent sizeEvent(GetSize(), GetId());
1188         sizeEvent.SetEventObject(this);
1189         HandleWindowEvent(sizeEvent);
1190
1191         gtk_widget_show(m_widget);
1192
1193         wxShowEvent showEvent(GetId(), true);
1194         showEvent.SetEventObject(this);
1195         HandleWindowEvent(showEvent);
1196     }
1197 }
1198 #endif // GDK_WINDOWING_X11
1199
1200 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1201 {
1202     static wxSize size[8];
1203
1204     int index = 0;
1205     // title bar
1206     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1207         index = 1;
1208     // border
1209     if (m_gdkDecor & GDK_DECOR_BORDER)
1210         index |= 2;
1211     // utility window decor can be different
1212     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1213         index |= 4;
1214     return size[index];
1215 }
1216
1217 void wxTopLevelWindowGTK::OnInternalIdle()
1218 {
1219     wxTopLevelWindowBase::OnInternalIdle();
1220
1221     // Synthetize activate events.
1222     if ( g_sendActivateEvent != -1 )
1223     {
1224         bool activate = g_sendActivateEvent != 0;
1225
1226         // if (!activate) wxPrintf( wxT("de") );
1227         // wxPrintf( wxT("activate\n") );
1228
1229         // do it only once
1230         g_sendActivateEvent = -1;
1231
1232         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1233     }
1234 }
1235
1236 // ----------------------------------------------------------------------------
1237 // frame title/icon
1238 // ----------------------------------------------------------------------------
1239
1240 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1241 {
1242     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1243
1244     if ( title == m_title )
1245         return;
1246
1247     m_title = title;
1248
1249     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1250 }
1251
1252 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1253 {
1254     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1255
1256     base_type::SetIcons(icons);
1257
1258     // Setting icons before window is realized can cause a GTK assertion if
1259     // another TLW is realized before this one, and it has this one as it's
1260     // transient parent. The life demo exibits this problem.
1261     if (gtk_widget_get_realized(m_widget))
1262     {
1263         GList* list = NULL;
1264         for (size_t i = icons.GetIconCount(); i--;)
1265             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1266         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1267         g_list_free(list);
1268     }
1269 }
1270
1271 // ----------------------------------------------------------------------------
1272 // frame state: maximized/iconized/normal
1273 // ----------------------------------------------------------------------------
1274
1275 void wxTopLevelWindowGTK::Maximize(bool maximize)
1276 {
1277     if (maximize)
1278         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1279     else
1280         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1281 }
1282
1283 bool wxTopLevelWindowGTK::IsMaximized() const
1284 {
1285     GdkWindow* window = NULL;
1286     if (m_widget)
1287         window = gtk_widget_get_window(m_widget);
1288     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1289 }
1290
1291 void wxTopLevelWindowGTK::Restore()
1292 {
1293     // "Present" seems similar enough to "restore"
1294     gtk_window_present( GTK_WINDOW( m_widget ) );
1295 }
1296
1297 void wxTopLevelWindowGTK::Iconize( bool iconize )
1298 {
1299     if (iconize)
1300         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1301     else
1302         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1303 }
1304
1305 bool wxTopLevelWindowGTK::IsIconized() const
1306 {
1307     return m_isIconized;
1308 }
1309
1310 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1311 {
1312     if ( iconize != m_isIconized )
1313     {
1314         m_isIconized = iconize;
1315         (void)SendIconizeEvent(iconize);
1316     }
1317 }
1318
1319 void wxTopLevelWindowGTK::AddGrab()
1320 {
1321     if (!m_grabbed)
1322     {
1323         m_grabbed = true;
1324         gtk_grab_add( m_widget );
1325         wxGUIEventLoop().Run();
1326         gtk_grab_remove( m_widget );
1327     }
1328 }
1329
1330 void wxTopLevelWindowGTK::RemoveGrab()
1331 {
1332     if (m_grabbed)
1333     {
1334         gtk_main_quit();
1335         m_grabbed = false;
1336     }
1337 }
1338
1339 bool wxTopLevelWindowGTK::IsActive()
1340 {
1341     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1342 }
1343
1344 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1345 {
1346     bool new_hint_value = false;
1347
1348     // FIXME: This is a workaround to focus handling problem
1349     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1350     // hasn't yet been processed, and the internal focus system is not up to date yet.
1351     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1352     // won't have side effects) - MR
1353     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1354
1355     if(m_urgency_hint >= 0)
1356         g_source_remove(m_urgency_hint);
1357
1358     m_urgency_hint = -2;
1359
1360     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1361     {
1362         new_hint_value = true;
1363
1364         if (flags & wxUSER_ATTENTION_INFO)
1365         {
1366             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1367         } else {
1368             m_urgency_hint = -1;
1369         }
1370     }
1371
1372     gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1373 }
1374
1375 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1376 {
1377     // Store which styles were changed
1378     long styleChanges = style ^ m_windowStyle;
1379
1380     // Process wxWindow styles. This also updates the internal variable
1381     // Therefore m_windowStyle bits carry now the _new_ style values
1382     wxWindow::SetWindowStyleFlag(style);
1383
1384     // just return for now if widget does not exist yet
1385     if (!m_widget)
1386         return;
1387
1388     if ( styleChanges & wxSTAY_ON_TOP )
1389     {
1390         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1391                                   m_windowStyle & wxSTAY_ON_TOP);
1392     }
1393
1394     if ( styleChanges & wxFRAME_NO_TASKBAR )
1395     {
1396         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1397                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1398     }
1399 }
1400
1401 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1402 {
1403     GdkWindow* window = NULL;
1404     if (m_widget)
1405         window = gtk_widget_get_window(m_widget);
1406     if (window == NULL)
1407         return false;
1408
1409 #ifdef GDK_WINDOWING_X11
1410     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1411     Window win = GDK_WINDOW_XID(window);
1412
1413     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1414     if (alpha == 0xff)
1415         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1416     else
1417     {
1418         long opacity = alpha * 0x1010101L;
1419         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1420                         XA_CARDINAL, 32, PropModeReplace,
1421                         (unsigned char *) &opacity, 1L);
1422     }
1423     XSync(dpy, False);
1424     return true;
1425 #else // !GDK_WINDOWING_X11
1426     return false;
1427 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1428 }
1429
1430 bool wxTopLevelWindowGTK::CanSetTransparent()
1431 {
1432     // allow to override automatic detection as it's far from perfect
1433     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1434     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1435     {
1436         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1437     }
1438
1439 #ifdef __WXGTK3__
1440     return gtk_widget_is_composited(m_widget) != 0;
1441 #else
1442 #if GTK_CHECK_VERSION(2,10,0)
1443     if (!gtk_check_version(2,10,0))
1444     {
1445         return gtk_widget_is_composited(m_widget) != 0;
1446     }
1447     else
1448 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1449     {
1450         return false;
1451     }
1452 #endif // !__WXGTK3__
1453
1454 #if 0 // Don't be optimistic here for the sake of wxAUI
1455     int opcode, event, error;
1456     // Check for the existence of a RGBA visual instead?
1457     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1458                            "Composite", &opcode, &event, &error);
1459 #endif
1460 }