src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/toplevel.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 #ifdef __VMS
  22 #define XIconifyWindow XICONIFYWINDOW
  23 #endif
  24
  25 #include "wx/toplevel.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/frame.h"
  29     #include "wx/icon.h"
  30     #include "wx/log.h"
  31     #include "wx/app.h"
  32 #endif
  33
  34 #include "wx/gtk/private.h"
  35 #include "wx/evtloop.h"
  36 #include "wx/sysopt.h"
  37
  38 #include <gtk/gtk.h>
  39 #include <gdk/gdkx.h>
  40
  41 #include "wx/gtk/private/win_gtk.h"
  42
  43 #include "wx/unix/utilsx11.h"
  44
  45 // XA_CARDINAL
  46 #include <X11/Xatom.h>
  47
  48 #if wxUSE_LIBHILDON
  49     #include <hildon-widgets/hildon-program.h>
  50     #include <hildon-widgets/hildon-window.h>
  51 #endif // wxUSE_LIBHILDON
  52
  53 #if wxUSE_LIBHILDON2
  54     #include <hildon/hildon.h>
  55 #endif // wxUSE_LIBHILDON2
  56
  57 // ----------------------------------------------------------------------------
  58 // data
  59 // ----------------------------------------------------------------------------
  60
  61 // this is incremented while a modal dialog is shown
  62 int wxOpenModalDialogsCount = 0;
  63
  64 // the frame that is currently active (i.e. its child has focus). It is
  65 // used to generate wxActivateEvents
  66 static wxTopLevelWindowGTK *g_activeFrame = NULL;
  67 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
  68
  69 // if we detect that the app has got/lost the focus, we set this variable to
  70 // either TRUE or FALSE and an activate event will be sent during the next
  71 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  72 // send any activate events at all
  73 static int g_sendActivateEvent = -1;
  74
  75 // 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 __WXGTK30__
  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         GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
  94         wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
  95
  96         Display* dpy = GDK_WINDOW_XDISPLAY(window);
  97         Window xid = GDK_WINDOW_XID(window);
  98         XWMHints* wm_hints = XGetWMHints(dpy, xid);
  99
 100         if (!wm_hints)
 101             wm_hints = XAllocWMHints();
 102
 103         if (setting)
 104             wm_hints->flags |= XUrgencyHint;
 105         else
 106             wm_hints->flags &= ~XUrgencyHint;
 107
 108         XSetWMHints(dpy, xid, wm_hints);
 109         XFree(wm_hints);
 110     }
 111 }
 112 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
 113 #endif
 114
 115 extern "C" {
 116 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 117 {
 118     gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 119
 120     win->m_urgency_hint = -2;
 121     return FALSE;
 122 }
 123 }
 124
 125 //-----------------------------------------------------------------------------
 126 // "focus_in_event"
 127 //-----------------------------------------------------------------------------
 128
 129 extern "C" {
 130 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 131                                          GdkEvent *WXUNUSED(event),
 132                                          wxTopLevelWindowGTK *win )
 133 {
 134     switch ( g_sendActivateEvent )
 135     {
 136         case -1:
 137             // we've got focus from outside, synthetize wxActivateEvent
 138             g_sendActivateEvent = 1;
 139             break;
 140
 141         case 0:
 142             // another our window just lost focus, it was already ours before
 143             // - don't send any wxActivateEvent
 144             g_sendActivateEvent = -1;
 145             break;
 146     }
 147
 148     g_activeFrame = win;
 149     g_lastActiveFrame = g_activeFrame;
 150
 151     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 152
 153     // MR: wxRequestUserAttention related block
 154     switch( win->m_urgency_hint )
 155     {
 156         default:
 157             g_source_remove( win->m_urgency_hint );
 158             // no break, fallthrough to remove hint too
 159         case -1:
 160             gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
 161             win->m_urgency_hint = -2;
 162             break;
 163
 164         case -2: break;
 165     }
 166
 167     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 168     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 169     event.SetEventObject(g_activeFrame);
 170     g_activeFrame->HandleWindowEvent(event);
 171
 172     return FALSE;
 173 }
 174 }
 175
 176 //-----------------------------------------------------------------------------
 177 // "focus_out_event"
 178 //-----------------------------------------------------------------------------
 179
 180 extern "C" {
 181 static
 182 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 183                                       GdkEventFocus *WXUNUSED(gdk_event),
 184                                       wxTopLevelWindowGTK * WXUNUSED(win))
 185 {
 186     // if the focus goes out of our app alltogether, OnIdle() will send
 187     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 188     // g_sendActivateEvent to -1
 189     g_sendActivateEvent = 0;
 190
 191     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 192
 193     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 194
 195     if (g_activeFrame)
 196     {
 197         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 198         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 199         event.SetEventObject(g_activeFrame);
 200         g_activeFrame->HandleWindowEvent(event);
 201
 202         g_activeFrame = NULL;
 203     }
 204
 205     return FALSE;
 206 }
 207 }
 208
 209 //-----------------------------------------------------------------------------
 210 // "size_allocate" from m_wxwindow
 211 //-----------------------------------------------------------------------------
 212
 213 extern "C" {
 214 static void
 215 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 216 {
 217     if (win->m_oldClientWidth  != alloc->width ||
 218         win->m_oldClientHeight != alloc->height)
 219     {
 220         win->m_oldClientWidth  = alloc->width;
 221         win->m_oldClientHeight = alloc->height;
 222
 223         GtkAllocation a;
 224         gtk_widget_get_allocation(win->m_widget, &a);
 225         wxSize size(a.width, a.height);
 226         size += win->m_decorSize;
 227         win->m_width  = size.x;
 228         win->m_height = size.y;
 229
 230         if (!win->IsIconized())
 231         {
 232             wxSizeEvent event(size, win->GetId());
 233             event.SetEventObject(win);
 234             win->HandleWindowEvent(event);
 235         }
 236         // else the window is currently unmapped, don't generate size events
 237     }
 238 }
 239 }
 240
 241 // ----------------------------------------------------------------------------
 242 // "size_request"
 243 // ----------------------------------------------------------------------------
 244
 245 extern "C" {
 246 static
 247 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 248                                      GtkRequisition *requisition,
 249                                      wxTopLevelWindowGTK *win)
 250 {
 251     // we must return the size of the window without WM decorations, otherwise
 252     // GTK+ gets confused, so don't call just GetSize() here
 253     win->GTKDoGetSize(&requisition->width, &requisition->height);
 254 }
 255 }
 256
 257 //-----------------------------------------------------------------------------
 258 // "delete_event"
 259 //-----------------------------------------------------------------------------
 260
 261 extern "C" {
 262 static gboolean
 263 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 264                            GdkEvent *WXUNUSED(event),
 265                            wxTopLevelWindowGTK *win )
 266 {
 267     if (win->IsEnabled() &&
 268         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 269          win->IsGrabbed()))
 270         win->Close();
 271
 272     return TRUE;
 273 }
 274 }
 275
 276 //-----------------------------------------------------------------------------
 277 // "configure_event"
 278 //-----------------------------------------------------------------------------
 279
 280 extern "C" {
 281 static gboolean
 282 gtk_frame_configure_callback( GtkWidget* widget,
 283                               GdkEventConfigure *WXUNUSED(event),
 284                               wxTopLevelWindowGTK *win )
 285 {
 286     if (!win->m_hasVMT || !win->IsShown())
 287         return FALSE;
 288
 289     wxPoint point;
 290     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 291
 292     win->m_x = point.x;
 293     win->m_y = point.y;
 294     wxMoveEvent mevent(point, win->GetId());
 295     mevent.SetEventObject( win );
 296     win->HandleWindowEvent( mevent );
 297
 298     return FALSE;
 299 }
 300 }
 301
 302 //-----------------------------------------------------------------------------
 303 // "realize" from m_widget
 304 //-----------------------------------------------------------------------------
 305
 306 // we cannot the WM hints and icons before the widget has been realized,
 307 // so we do this directly after realization
 308
 309 void wxTopLevelWindowGTK::GTKHandleRealized()
 310 {
 311     wxNonOwnedWindow::GTKHandleRealized();
 312
 313     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 314                                (GdkWMDecoration)m_gdkDecor);
 315     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 316                                (GdkWMFunction)m_gdkFunc);
 317
 318     // GTK's shrinking/growing policy
 319     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 320         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 321 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 322     else
 323         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 324 #endif
 325
 326     const wxIconBundle& icons = GetIcons();
 327     if (icons.GetIconCount())
 328         SetIcons(icons);
 329 }
 330
 331 //-----------------------------------------------------------------------------
 332 // "map_event" from m_widget
 333 //-----------------------------------------------------------------------------
 334
 335 extern "C" {
 336 static gboolean
 337 gtk_frame_map_callback( GtkWidget*,
 338                         GdkEvent * WXUNUSED(event),
 339                         wxTopLevelWindow *win )
 340 {
 341     const bool wasIconized = win->IsIconized();
 342     if (wasIconized)
 343     {
 344         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 345         // a size event must be generated, just in case GetClientSize() was
 346         // called while iconized. This specifically happens when restoring a
 347         // tlw that was "rolled up" with some WMs.
 348         // Queue a resize rather than sending size event directly to allow
 349         // children to be made visible first.
 350         win->m_oldClientWidth = 0;
 351         gtk_widget_queue_resize(win->m_wxwindow);
 352     }
 353     // it is possible for m_isShown to be false here, see bug #9909
 354     if (win->wxWindowBase::Show(true))
 355     {
 356         wxShowEvent eventShow(win->GetId(), true);
 357         eventShow.SetEventObject(win);
 358         win->GetEventHandler()->ProcessEvent(eventShow);
 359     }
 360
 361 #if GTK_CHECK_VERSION(2,6,0)
 362     if (!gtk_check_version(2,6,0))
 363     {
 364         // restore focus-on-map setting in case ShowWithoutActivating() was called
 365         gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 366     }
 367 #endif // GTK+ 2.6+
 368
 369     return false;
 370 }
 371 }
 372
 373 //-----------------------------------------------------------------------------
 374 // "window-state-event" from m_widget
 375 //-----------------------------------------------------------------------------
 376
 377 extern "C" {
 378 static gboolean
 379 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 380                           GdkEventWindowState *event,
 381                           wxTopLevelWindow *win )
 382 {
 383     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 384         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 385
 386     // if maximized bit changed and it is now set
 387     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 388     {
 389         wxMaximizeEvent event(win->GetId());
 390         event.SetEventObject(win);
 391         win->HandleWindowEvent(event);
 392     }
 393
 394     return false;
 395 }
 396 }
 397
 398 //-----------------------------------------------------------------------------
 399
 400 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 401 {
 402     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 403     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 404                         gdk_drawable_get_display(window), property);
 405     Atom type;
 406     int format;
 407     gulong nitems, bytes_after;
 408     guchar* data;
 409     Status status = XGetWindowProperty(
 410         gdk_x11_drawable_get_xdisplay(window),
 411         gdk_x11_drawable_get_xid(window),
 412         xproperty,
 413         0, 4, false, XA_CARDINAL,
 414         &type, &format, &nitems, &bytes_after, &data);
 415     const bool success = status == Success && data && nitems == 4;
 416     if (success)
 417     {
 418         long* p = (long*)data;
 419         if (left)   *left   = int(p[0]);
 420         if (right)  *right  = int(p[1]);
 421         if (top)    *top    = int(p[2]);
 422         if (bottom) *bottom = int(p[3]);
 423     }
 424     if (data)
 425         XFree(data);
 426     return success;
 427 }
 428
 429 //-----------------------------------------------------------------------------
 430 // "property_notify_event" from m_widget
 431 //-----------------------------------------------------------------------------
 432
 433 extern "C" {
 434 static gboolean property_notify_event(
 435     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 436 {
 437     // Watch for changes to _NET_FRAME_EXTENTS property
 438     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 439     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 440     {
 441         if (win->m_netFrameExtentsTimerId)
 442         {
 443             // WM support for _NET_REQUEST_FRAME_EXTENTS is working
 444             gs_requestFrameExtentsStatus = 1;
 445             g_source_remove(win->m_netFrameExtentsTimerId);
 446             win->m_netFrameExtentsTimerId = 0;
 447         }
 448
 449         wxSize decorSize = win->m_decorSize;
 450         int left, right, top, bottom;
 451         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 452             decorSize.Set(left + right, top + bottom);
 453
 454         win->GTKUpdateDecorSize(decorSize);
 455     }
 456     return false;
 457 }
 458 }
 459
 460 extern "C" {
 461 static gboolean request_frame_extents_timeout(void* data)
 462 {
 463     // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
 464     gs_requestFrameExtentsStatus = 2;
 465     gdk_threads_enter();
 466     wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
 467     win->m_netFrameExtentsTimerId = 0;
 468     wxSize decorSize = win->m_decorSize;
 469     int left, right, top, bottom;
 470     if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
 471         decorSize.Set(left + right, top + bottom);
 472     win->GTKUpdateDecorSize(decorSize);
 473     gdk_threads_leave();
 474     return false;
 475 }
 476 }
 477
 478 // ----------------------------------------------------------------------------
 479 // wxTopLevelWindowGTK creation
 480 // ----------------------------------------------------------------------------
 481
 482 void wxTopLevelWindowGTK::Init()
 483 {
 484     m_mainWidget = NULL;
 485     m_isIconized = false;
 486     m_fsIsShowing = false;
 487     m_themeEnabled = true;
 488     m_gdkDecor =
 489     m_gdkFunc = 0;
 490     m_grabbed = false;
 491     m_deferShow = true;
 492     m_deferShowAllowed = true;
 493     m_updateDecorSize = true;
 494     m_netFrameExtentsTimerId = 0;
 495
 496     m_urgency_hint = -2;
 497 }
 498
 499 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 500                                   wxWindowID id,
 501                                   const wxString& title,
 502                                   const wxPoint& pos,
 503                                   const wxSize& sizeOrig,
 504                                   long style,
 505                                   const wxString &name )
 506 {
 507     // always create a frame of some reasonable, even if arbitrary, size (at
 508     // least for MSW compatibility)
 509     wxSize size = sizeOrig;
 510     size.x = WidthDefault(size.x);
 511     size.y = HeightDefault(size.y);
 512
 513     wxTopLevelWindows.Append( this );
 514
 515     if (!PreCreation( parent, pos, size ) ||
 516         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 517     {
 518         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 519         return false;
 520     }
 521
 522     m_title = title;
 523
 524     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 525     //     e.g. in wxTaskBarIconAreaGTK
 526     if (m_widget == NULL)
 527     {
 528 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 529         // we must create HildonWindow and not a normal GtkWindow as the latter
 530         // doesn't look correctly in Maemo environment and it must also be
 531         // registered with the main program object
 532         m_widget = hildon_window_new();
 533         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 534                                   HILDON_WINDOW(m_widget));
 535 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 536         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 537         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 538         {
 539             // Tell WM that this is a dialog window and make it center
 540             // on parent by default (this is what GtkDialog ctor does):
 541             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 542                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 543             gtk_window_set_position(GTK_WINDOW(m_widget),
 544                                     GTK_WIN_POS_CENTER_ON_PARENT);
 545         }
 546         else
 547         {
 548             if (style & wxFRAME_TOOL_WINDOW)
 549             {
 550                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 551                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 552
 553                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 554                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 555                 // For consistency between WMs and with Windows, we
 556                 // should set the NO_TASKBAR flag which will apply
 557                 // the set_skip_taskbar_hint if it is available,
 558                 // ensuring no taskbar entry will appear.
 559                 style |= wxFRAME_NO_TASKBAR;
 560             }
 561         }
 562 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 563
 564         g_object_ref(m_widget);
 565     }
 566
 567     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 568     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 569                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 570                        (style & wxFRAME_FLOAT_ON_PARENT)))
 571     {
 572         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 573                                       GTK_WINDOW(topParent->m_widget) );
 574     }
 575
 576     if (style & wxFRAME_NO_TASKBAR)
 577     {
 578         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 579     }
 580
 581     if (style & wxSTAY_ON_TOP)
 582     {
 583         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 584     }
 585     if (style & wxMAXIMIZE)
 586         gtk_window_maximize(GTK_WINDOW(m_widget));
 587
 588 #if 0
 589     if (!name.empty())
 590         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 591 #endif
 592
 593     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 594     gtk_widget_set_can_focus(m_widget, false);
 595
 596     g_signal_connect (m_widget, "delete_event",
 597                       G_CALLBACK (gtk_frame_delete_callback), this);
 598
 599     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 600     m_mainWidget = gtk_vbox_new(false, 0);
 601     gtk_widget_show( m_mainWidget );
 602     gtk_widget_set_can_focus(m_mainWidget, false);
 603     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 604
 605     // m_wxwindow is the client area
 606     m_wxwindow = wxPizza::New();
 607     gtk_widget_show( m_wxwindow );
 608     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 609
 610     // we donm't allow the frame to get the focus as otherwise
 611     // the frame will grab it at arbitrary focus changes
 612     gtk_widget_set_can_focus(m_wxwindow, false);
 613
 614     if (m_parent) m_parent->AddChild( this );
 615
 616     g_signal_connect(m_wxwindow, "size_allocate",
 617         G_CALLBACK(size_allocate), this);
 618
 619     g_signal_connect (m_widget, "size_request",
 620                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 621     PostCreation();
 622
 623 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 624     if ((m_x != -1) || (m_y != -1))
 625         gtk_widget_set_uposition( m_widget, m_x, m_y );
 626 #endif
 627
 628     // for some reported size corrections
 629     g_signal_connect (m_widget, "map_event",
 630                       G_CALLBACK (gtk_frame_map_callback), this);
 631
 632     // for iconized state
 633     g_signal_connect (m_widget, "window_state_event",
 634                       G_CALLBACK (gtk_frame_window_state_callback), this);
 635
 636
 637     // for wxMoveEvent
 638     g_signal_connect (m_widget, "configure_event",
 639                       G_CALLBACK (gtk_frame_configure_callback), this);
 640
 641     // activation
 642     g_signal_connect_after (m_widget, "focus_in_event",
 643                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 644     g_signal_connect_after (m_widget, "focus_out_event",
 645                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 646
 647     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 648     g_signal_connect(m_widget, "property_notify_event",
 649         G_CALLBACK(property_notify_event), this);
 650
 651     // translate wx decorations styles into Motif WM hints (they are recognized
 652     // by other WMs as well)
 653
 654     // always enable moving the window as we have no separate flag for enabling
 655     // it
 656     m_gdkFunc = GDK_FUNC_MOVE;
 657
 658     if ( style & wxCLOSE_BOX )
 659         m_gdkFunc |= GDK_FUNC_CLOSE;
 660
 661     if ( style & wxMINIMIZE_BOX )
 662         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 663
 664     if ( style & wxMAXIMIZE_BOX )
 665         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 666
 667     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 668     {
 669         m_gdkDecor = 0;
 670     }
 671     else // have border
 672     {
 673         m_gdkDecor = GDK_DECOR_BORDER;
 674
 675         if ( style & wxCAPTION )
 676             m_gdkDecor |= GDK_DECOR_TITLE;
 677
 678         if ( style & wxSYSTEM_MENU )
 679             m_gdkDecor |= GDK_DECOR_MENU;
 680
 681         if ( style & wxMINIMIZE_BOX )
 682             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 683
 684         if ( style & wxMAXIMIZE_BOX )
 685             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 686
 687         if ( style & wxRESIZE_BORDER )
 688         {
 689            m_gdkFunc |= GDK_FUNC_RESIZE;
 690            m_gdkDecor |= GDK_DECOR_RESIZEH;
 691         }
 692     }
 693
 694     m_decorSize = GetCachedDecorSize();
 695     int w, h;
 696     GTKDoGetSize(&w, &h);
 697     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 698
 699     return true;
 700 }
 701
 702 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 703 {
 704     if ( m_netFrameExtentsTimerId )
 705     {
 706         // Don't let the timer callback fire as the window pointer passed to it
 707         // will become invalid very soon.
 708         g_source_remove(m_netFrameExtentsTimerId);
 709     }
 710
 711 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 712     // it can also be a (standard) dialog
 713     if ( HILDON_IS_WINDOW(m_widget) )
 714     {
 715         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 716                                      HILDON_WINDOW(m_widget));
 717     }
 718 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 719
 720     if (m_grabbed)
 721     {
 722         wxFAIL_MSG(wxT("Window still grabbed"));
 723         RemoveGrab();
 724     }
 725
 726     SendDestroyEvent();
 727
 728     // it may also be GtkScrolledWindow in the case of an MDI child
 729     if (GTK_IS_WINDOW(m_widget))
 730     {
 731         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 732     }
 733
 734     if (g_activeFrame == this)
 735         g_activeFrame = NULL;
 736     if (g_lastActiveFrame == this)
 737         g_lastActiveFrame = NULL;
 738 }
 739
 740 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 741 {
 742     if (enable)
 743         m_gdkFunc |= GDK_FUNC_CLOSE;
 744     else
 745         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 746
 747     GdkWindow* window = gtk_widget_get_window(m_widget);
 748     if (window)
 749         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 750
 751     return true;
 752 }
 753
 754 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 755 {
 756     if (show == m_fsIsShowing)
 757         return false; // return what?
 758
 759     m_fsIsShowing = show;
 760
 761     wxX11FullScreenMethod method =
 762         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 763                                  (WXWindow)GDK_ROOT_WINDOW());
 764
 765     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 766     //     to switch to fullscreen, which is not always available. We must
 767     //     check if WM supports the spec and use legacy methods if it
 768     //     doesn't.
 769     if ( method == wxX11_FS_WMSPEC )
 770     {
 771         if (show)
 772             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 773         else
 774             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 775     }
 776     else
 777     {
 778         GdkWindow* window = gtk_widget_get_window(m_widget);
 779
 780         if (show)
 781         {
 782             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 783             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 784
 785             int screen_width,screen_height;
 786             wxDisplaySize( &screen_width, &screen_height );
 787
 788             gint client_x, client_y, root_x, root_y;
 789             gint width, height;
 790
 791             m_fsSaveGdkFunc = m_gdkFunc;
 792             m_fsSaveGdkDecor = m_gdkDecor;
 793             m_gdkFunc = m_gdkDecor = 0;
 794             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 795             gdk_window_set_functions(window, (GdkWMFunction)0);
 796
 797             gdk_window_get_origin(window, &root_x, &root_y);
 798             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height, NULL);
 799
 800             gdk_window_move_resize(
 801                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 802
 803             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 804                                     (WXWindow)GDK_ROOT_WINDOW(),
 805                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 806                                     show, &m_fsSaveFrame, method);
 807         }
 808         else // hide
 809         {
 810             m_gdkFunc = m_fsSaveGdkFunc;
 811             m_gdkDecor = m_fsSaveGdkDecor;
 812             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 813             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 814
 815             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 816                                     (WXWindow)GDK_ROOT_WINDOW(),
 817                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 818                                     show, &m_fsSaveFrame, method);
 819
 820             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 821                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 822         }
 823     }
 824
 825     // documented behaviour is to show the window if it's still hidden when
 826     // showing it full screen
 827     if (show)
 828         Show();
 829
 830     return true;
 831 }
 832
 833 // ----------------------------------------------------------------------------
 834 // overridden wxWindow methods
 835 // ----------------------------------------------------------------------------
 836
 837 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 838 {
 839     wxCHECK_RET( m_widget, wxT("invalid frame") );
 840
 841     gtk_widget_queue_draw( m_widget );
 842
 843     GdkWindow* window = NULL;
 844     if (m_wxwindow)
 845         window = gtk_widget_get_window(m_wxwindow);
 846     if (window)
 847         gdk_window_invalidate_rect(window, NULL, true);
 848 }
 849
 850 bool wxTopLevelWindowGTK::Show( bool show )
 851 {
 852     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 853
 854     bool deferShow = show && !m_isShown && m_deferShow;
 855     if (deferShow)
 856     {
 857         deferShow = gs_requestFrameExtentsStatus != 2 &&
 858             m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
 859         if (deferShow)
 860         {
 861             deferShow = g_signal_handler_find(m_widget,
 862                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 863                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 864                 0, NULL, NULL, this) != 0;
 865         }
 866         GdkScreen* screen = NULL;
 867         if (deferShow)
 868         {
 869             screen = gtk_widget_get_screen(m_widget);
 870             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 871             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 872             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 873             // to m_decorSize, it breaks saving/restoring window size with
 874             // GetSize()/SetSize() because it makes window bigger between each
 875             // restore and save.
 876             m_updateDecorSize = deferShow;
 877         }
 878
 879         m_deferShow = deferShow;
 880     }
 881     if (deferShow)
 882     {
 883         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 884         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 885         // notification is received, so correct frame extents are known.
 886         // This allows resizing m_widget to keep the overall size in sync with
 887         // what wxWidgets expects it to be without an obvious change in the
 888         // window size immediately after it becomes visible.
 889
 890         // Realize m_widget, so m_widget->window can be used. Realizing normally
 891         // causes the widget tree to be size_allocated, which generates size
 892         // events in the wrong order. However, the size_allocates will not be
 893         // done if the allocation is not the default (1,1).
 894         GtkAllocation alloc;
 895         gtk_widget_get_allocation(m_widget, &alloc);
 896         const int alloc_width = alloc.width;
 897         if (alloc_width == 1)
 898         {
 899             alloc.width = 2;
 900             gtk_widget_set_allocation(m_widget, &alloc);
 901         }
 902         gtk_widget_realize(m_widget);
 903         if (alloc_width == 1)
 904         {
 905             alloc.width = 1;
 906             gtk_widget_set_allocation(m_widget, &alloc);
 907         }
 908
 909         // send _NET_REQUEST_FRAME_EXTENTS
 910         XClientMessageEvent xevent;
 911         memset(&xevent, 0, sizeof(xevent));
 912         xevent.type = ClientMessage;
 913         GdkWindow* window = gtk_widget_get_window(m_widget);
 914         xevent.window = gdk_x11_drawable_get_xid(window);
 915         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 916             gdk_drawable_get_display(window),
 917             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 918         xevent.format = 32;
 919         Display* display = gdk_x11_drawable_get_xdisplay(window);
 920         XSendEvent(display, DefaultRootWindow(display), false,
 921             SubstructureNotifyMask | SubstructureRedirectMask,
 922             (XEvent*)&xevent);
 923
 924         if (gs_requestFrameExtentsStatus == 0)
 925         {
 926             // if WM does not respond to request within 1 second,
 927             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 928             m_netFrameExtentsTimerId =
 929                 g_timeout_add(1000, request_frame_extents_timeout, this);
 930         }
 931
 932         // defer calling gtk_widget_show()
 933         m_isShown = true;
 934         return true;
 935     }
 936
 937     if (show && !gtk_widget_get_realized(m_widget))
 938     {
 939         // size_allocate signals occur in reverse order (bottom to top).
 940         // Things work better if the initial wxSizeEvents are sent (from the
 941         // top down), before the initial size_allocate signals occur.
 942         wxSizeEvent event(GetSize(), GetId());
 943         event.SetEventObject(this);
 944         HandleWindowEvent(event);
 945     }
 946
 947     bool change = base_type::Show(show);
 948
 949     if (change && !show)
 950     {
 951         // make sure window has a non-default position, so when it is shown
 952         // again, it won't be repositioned by WM as if it were a new window
 953         // Note that this must be done _after_ the window is hidden.
 954         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 955     }
 956
 957     return change;
 958 }
 959
 960 void wxTopLevelWindowGTK::ShowWithoutActivating()
 961 {
 962     if (!m_isShown)
 963     {
 964 #if GTK_CHECK_VERSION(2,6,0)
 965         if (!gtk_check_version(2,6,0))
 966             gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 967 #endif // GTK+ 2.6+
 968
 969         Show(true);
 970     }
 971 }
 972
 973 void wxTopLevelWindowGTK::Raise()
 974 {
 975     gtk_window_present( GTK_WINDOW( m_widget ) );
 976 }
 977
 978 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 979 {
 980     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 981 }
 982
 983 // ----------------------------------------------------------------------------
 984 // window geometry
 985 // ----------------------------------------------------------------------------
 986
 987 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 988 {
 989     wxSize size(m_width, m_height);
 990     size -= m_decorSize;
 991     if (size.x < 0) size.x = 0;
 992     if (size.y < 0) size.y = 0;
 993 #if wxUSE_LIBHILDON2
 994     if (width) {
 995        if (size.x == 720)
 996                *width = 696;
 997        else
 998                *width = size.x;
 999     }
1000     if (height) {
1001        if (size.y == 420)
1002                *height = 396;
1003        else if (size.y == 270)
1004                *height = 246;
1005             else
1006                *height = size.y;
1007     }
1008 #else // wxUSE_LIBHILDON2
1009     if (width)  *width  = size.x;
1010     if (height) *height = size.y;
1011 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1012 }
1013
1014 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1015 {
1016     wxCHECK_RET( m_widget, wxT("invalid frame") );
1017
1018     m_deferShowAllowed = true;
1019
1020     // deal with the position first
1021     int old_x = m_x;
1022     int old_y = m_y;
1023
1024     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1025     {
1026         // -1 means "use existing" unless the flag above is specified
1027         if ( x != -1 )
1028             m_x = x;
1029         if ( y != -1 )
1030             m_y = y;
1031     }
1032     else // wxSIZE_ALLOW_MINUS_ONE
1033     {
1034         m_x = x;
1035         m_y = y;
1036     }
1037
1038     if ( m_x != old_x || m_y != old_y )
1039     {
1040         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1041     }
1042
1043     const wxSize oldSize(m_width, m_height);
1044     if (width >= 0)
1045         m_width = width;
1046     if (height >= 0)
1047         m_height = height;
1048     ConstrainSize();
1049     if (m_width != oldSize.x || m_height != oldSize.y)
1050     {
1051         int w, h;
1052         GTKDoGetSize(&w, &h);
1053         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1054
1055         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1056         wxSizeEvent event(GetSize(), GetId());
1057         event.SetEventObject(this);
1058         HandleWindowEvent(event);
1059     }
1060 }
1061
1062 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1063 {
1064     base_type::DoSetClientSize(width, height);
1065
1066     // Since client size is being explicitly set, don't change it later
1067     // Has to be done after calling base because it calls SetSize,
1068     // which sets this true
1069     m_deferShowAllowed = false;
1070 }
1071
1072 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1073 {
1074     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1075
1076     if ( IsIconized() )
1077     {
1078         // for consistency with wxMSW, client area is supposed to be empty for
1079         // the iconized windows
1080         if ( width )
1081             *width = 0;
1082         if ( height )
1083             *height = 0;
1084     }
1085     else
1086     {
1087         GTKDoGetSize(width, height);
1088     }
1089 }
1090
1091 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1092                                           int maxW, int maxH,
1093                                           int incW, int incH )
1094 {
1095     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1096
1097     const wxSize minSize = GetMinSize();
1098     const wxSize maxSize = GetMaxSize();
1099     GdkGeometry hints;
1100     int hints_mask = 0;
1101     if (minSize.x > 0 || minSize.y > 0)
1102     {
1103         hints_mask |= GDK_HINT_MIN_SIZE;
1104         hints.min_width = minSize.x - m_decorSize.x;
1105         if (hints.min_width < 0)
1106             hints.min_width = 0;
1107         hints.min_height = minSize.y - m_decorSize.y;
1108         if (hints.min_height < 0)
1109             hints.min_height = 0;
1110     }
1111     if (maxSize.x > 0 || maxSize.y > 0)
1112     {
1113         hints_mask |= GDK_HINT_MAX_SIZE;
1114         hints.max_width = maxSize.x - m_decorSize.x;
1115         if (hints.max_width < 0)
1116             hints.max_width = INT_MAX;
1117         hints.max_height = maxSize.y - m_decorSize.y;
1118         if (hints.max_height < 0)
1119             hints.max_height = INT_MAX;
1120     }
1121     if (incW > 0 || incH > 0)
1122     {
1123         hints_mask |= GDK_HINT_RESIZE_INC;
1124         hints.width_inc  = incW > 0 ? incW : 1;
1125         hints.height_inc = incH > 0 ? incH : 1;
1126     }
1127     gtk_window_set_geometry_hints(
1128         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1129 }
1130
1131 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1132 {
1133     if (!IsMaximized() && !IsFullScreen())
1134         GetCachedDecorSize() = decorSize;
1135     if (m_updateDecorSize && m_decorSize != decorSize)
1136     {
1137         const wxSize diff = decorSize - m_decorSize;
1138         m_decorSize = decorSize;
1139         bool resized = false;
1140         if (m_deferShow)
1141         {
1142             // keep overall size unchanged by shrinking m_widget
1143             int w, h;
1144             GTKDoGetSize(&w, &h);
1145             // but not if size would be less than minimum, it won't take effect
1146             const wxSize minSize = GetMinSize();
1147             if (w >= minSize.x && h >= minSize.y)
1148             {
1149                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1150                 resized = true;
1151             }
1152         }
1153         if (!resized)
1154         {
1155             // adjust overall size to match change in frame extents
1156             m_width  += diff.x;
1157             m_height += diff.y;
1158             if (m_width  < 0) m_width  = 0;
1159             if (m_height < 0) m_height = 0;
1160             m_oldClientWidth = 0;
1161             gtk_widget_queue_resize(m_wxwindow);
1162         }
1163     }
1164     if (m_deferShow)
1165     {
1166         // gtk_widget_show() was deferred, do it now
1167         m_deferShow = false;
1168         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1169         wxSizeEvent sizeEvent(GetSize(), GetId());
1170         sizeEvent.SetEventObject(this);
1171         HandleWindowEvent(sizeEvent);
1172
1173         gtk_widget_show(m_widget);
1174
1175         wxShowEvent showEvent(GetId(), true);
1176         showEvent.SetEventObject(this);
1177         HandleWindowEvent(showEvent);
1178     }
1179 }
1180
1181 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1182 {
1183     static wxSize size[8];
1184
1185     int index = 0;
1186     // title bar
1187     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1188         index = 1;
1189     // border
1190     if (m_gdkDecor & GDK_DECOR_BORDER)
1191         index |= 2;
1192     // utility window decor can be different
1193     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1194         index |= 4;
1195     return size[index];
1196 }
1197
1198 void wxTopLevelWindowGTK::OnInternalIdle()
1199 {
1200     wxTopLevelWindowBase::OnInternalIdle();
1201
1202     // Synthetize activate events.
1203     if ( g_sendActivateEvent != -1 )
1204     {
1205         bool activate = g_sendActivateEvent != 0;
1206
1207         // if (!activate) wxPrintf( wxT("de") );
1208         // wxPrintf( wxT("activate\n") );
1209
1210         // do it only once
1211         g_sendActivateEvent = -1;
1212
1213         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1214     }
1215 }
1216
1217 // ----------------------------------------------------------------------------
1218 // frame title/icon
1219 // ----------------------------------------------------------------------------
1220
1221 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1222 {
1223     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1224
1225     if ( title == m_title )
1226         return;
1227
1228     m_title = title;
1229
1230     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1231 }
1232
1233 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1234 {
1235     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1236
1237     base_type::SetIcons(icons);
1238
1239     // Setting icons before window is realized can cause a GTK assertion if
1240     // another TLW is realized before this one, and it has this one as it's
1241     // transient parent. The life demo exibits this problem.
1242     if (gtk_widget_get_realized(m_widget))
1243     {
1244         GList* list = NULL;
1245         for (size_t i = icons.GetIconCount(); i--;)
1246             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1247         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1248         g_list_free(list);
1249     }
1250 }
1251
1252 // ----------------------------------------------------------------------------
1253 // frame state: maximized/iconized/normal
1254 // ----------------------------------------------------------------------------
1255
1256 void wxTopLevelWindowGTK::Maximize(bool maximize)
1257 {
1258     if (maximize)
1259         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1260     else
1261         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1262 }
1263
1264 bool wxTopLevelWindowGTK::IsMaximized() const
1265 {
1266     GdkWindow* window = gtk_widget_get_window(m_widget);
1267     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1268 }
1269
1270 void wxTopLevelWindowGTK::Restore()
1271 {
1272     // "Present" seems similar enough to "restore"
1273     gtk_window_present( GTK_WINDOW( m_widget ) );
1274 }
1275
1276 void wxTopLevelWindowGTK::Iconize( bool iconize )
1277 {
1278     if (iconize)
1279         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1280     else
1281         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1282 }
1283
1284 bool wxTopLevelWindowGTK::IsIconized() const
1285 {
1286     return m_isIconized;
1287 }
1288
1289 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1290 {
1291     if ( iconize != m_isIconized )
1292     {
1293         m_isIconized = iconize;
1294         (void)SendIconizeEvent(iconize);
1295     }
1296 }
1297
1298 void wxTopLevelWindowGTK::AddGrab()
1299 {
1300     if (!m_grabbed)
1301     {
1302         m_grabbed = true;
1303         gtk_grab_add( m_widget );
1304         wxGUIEventLoop().Run();
1305         gtk_grab_remove( m_widget );
1306     }
1307 }
1308
1309 void wxTopLevelWindowGTK::RemoveGrab()
1310 {
1311     if (m_grabbed)
1312     {
1313         gtk_main_quit();
1314         m_grabbed = false;
1315     }
1316 }
1317
1318 bool wxTopLevelWindowGTK::IsActive()
1319 {
1320     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1321 }
1322
1323 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1324 {
1325     bool new_hint_value = false;
1326
1327     // FIXME: This is a workaround to focus handling problem
1328     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1329     // hasn't yet been processed, and the internal focus system is not up to date yet.
1330     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1331     // won't have side effects) - MR
1332     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1333
1334     if(m_urgency_hint >= 0)
1335         g_source_remove(m_urgency_hint);
1336
1337     m_urgency_hint = -2;
1338
1339     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1340     {
1341         new_hint_value = true;
1342
1343         if (flags & wxUSER_ATTENTION_INFO)
1344         {
1345             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1346         } else {
1347             m_urgency_hint = -1;
1348         }
1349     }
1350
1351     gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1352 }
1353
1354 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1355 {
1356     // Store which styles were changed
1357     long styleChanges = style ^ m_windowStyle;
1358
1359     // Process wxWindow styles. This also updates the internal variable
1360     // Therefore m_windowStyle bits carry now the _new_ style values
1361     wxWindow::SetWindowStyleFlag(style);
1362
1363     // just return for now if widget does not exist yet
1364     if (!m_widget)
1365         return;
1366
1367     if ( styleChanges & wxSTAY_ON_TOP )
1368     {
1369         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1370                                   m_windowStyle & wxSTAY_ON_TOP);
1371     }
1372
1373     if ( styleChanges & wxFRAME_NO_TASKBAR )
1374     {
1375         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1376                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1377     }
1378 }
1379
1380 /* Get the X Window between child and the root window.
1381    This should usually be the WM managed XID */
1382 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1383 {
1384     Window root, parent;
1385     Window* children;
1386     unsigned int nchildren;
1387
1388     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1389     XFree(children);
1390
1391     while (parent != root) {
1392         child = parent;
1393         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1394         XFree(children);
1395     }
1396
1397     return child;
1398 }
1399
1400 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1401 {
1402     GdkWindow* window = NULL;
1403     if (m_widget)
1404         window = gtk_widget_get_window(m_widget);
1405     if (window == NULL)
1406         return false;
1407
1408     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1409     // We need to get the X Window that has the root window as the immediate parent
1410     // and m_widget->window as a child. This should be the X Window that the WM manages and
1411     // from which the opacity property is checked from.
1412     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID(window));
1413
1414
1415     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1416     if (alpha == 0xff)
1417         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1418     else
1419     {
1420         long opacity = alpha * 0x1010101L;
1421         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1422                         XA_CARDINAL, 32, PropModeReplace,
1423                         (unsigned char *) &opacity, 1L);
1424     }
1425     XSync(dpy, False);
1426     return true;
1427 }
1428
1429 bool wxTopLevelWindowGTK::CanSetTransparent()
1430 {
1431     // allow to override automatic detection as it's far from perfect
1432     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1433     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1434     {
1435         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1436     }
1437
1438 #if GTK_CHECK_VERSION(2,10,0)
1439     if (!gtk_check_version(2,10,0))
1440     {
1441         return (gtk_widget_is_composited (m_widget));
1442     }
1443     else
1444 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1445     {
1446         return false;
1447     }
1448
1449 #if 0 // Don't be optimistic here for the sake of wxAUI
1450     int opcode, event, error;
1451     // Check for the existence of a RGBA visual instead?
1452     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1453                            "Composite", &opcode, &event, &error);
1454 #endif
1455 }