src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/toplevel.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 #ifdef __VMS
  22 #define XIconifyWindow XICONIFYWINDOW
  23 #endif
  24
  25 #include "wx/toplevel.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/frame.h"
  29     #include "wx/icon.h"
  30     #include "wx/log.h"
  31     #include "wx/app.h"
  32 #endif
  33
  34 #include "wx/gtk/private.h"
  35 #include "wx/evtloop.h"
  36 #include "wx/sysopt.h"
  37
  38 #include <gtk/gtk.h>
  39 #ifdef GDK_WINDOWING_X11
  40 #include <gdk/gdkx.h>
  41 #endif
  42
  43 #include "wx/gtk/private/win_gtk.h"
  44
  45 #ifdef GDK_WINDOWING_X11
  46
  47 #include "wx/unix/utilsx11.h"
  48
  49 // XA_CARDINAL
  50 #include <X11/Xatom.h>
  51
  52 #endif // GDK_WINDOWING_X11
  53
  54 #if wxUSE_LIBHILDON
  55     #include <hildon-widgets/hildon-program.h>
  56     #include <hildon-widgets/hildon-window.h>
  57 #endif // wxUSE_LIBHILDON
  58
  59 #if wxUSE_LIBHILDON2
  60     #include <hildon/hildon.h>
  61 #endif // wxUSE_LIBHILDON2
  62
  63 // ----------------------------------------------------------------------------
  64 // data
  65 // ----------------------------------------------------------------------------
  66
  67 // this is incremented while a modal dialog is shown
  68 int wxOpenModalDialogsCount = 0;
  69
  70 // the frame that is currently active (i.e. its child has focus). It is
  71 // used to generate wxActivateEvents
  72 static wxTopLevelWindowGTK *g_activeFrame = NULL;
  73 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
  74
  75 // if we detect that the app has got/lost the focus, we set this variable to
  76 // either TRUE or FALSE and an activate event will be sent during the next
  77 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  78 // send any activate events at all
  79 static int g_sendActivateEvent = -1;
  80
  81 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
  82 //   0 == not tested yet, 1 == working, 2 == broken
  83 static int gs_requestFrameExtentsStatus;
  84
  85 //-----------------------------------------------------------------------------
  86 // RequestUserAttention related functions
  87 //-----------------------------------------------------------------------------
  88
  89 #ifndef __WXGTK30__
  90 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  91                                            gboolean setting)
  92 {
  93 #if GTK_CHECK_VERSION(2,7,0)
  94     if (gtk_check_version(2,7,0) == NULL)
  95         gtk_window_set_urgency_hint(win, setting);
  96     else
  97 #endif
  98     {
  99 #ifdef GDK_WINDOWING_X11
 100         GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
 101         wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
 102
 103         Display* dpy = GDK_WINDOW_XDISPLAY(window);
 104         Window xid = GDK_WINDOW_XID(window);
 105         XWMHints* wm_hints = XGetWMHints(dpy, xid);
 106
 107         if (!wm_hints)
 108             wm_hints = XAllocWMHints();
 109
 110         if (setting)
 111             wm_hints->flags |= XUrgencyHint;
 112         else
 113             wm_hints->flags &= ~XUrgencyHint;
 114
 115         XSetWMHints(dpy, xid, wm_hints);
 116         XFree(wm_hints);
 117 #endif // GDK_WINDOWING_X11
 118     }
 119 }
 120 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
 121 #endif
 122
 123 extern "C" {
 124 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 125 {
 126     gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 127
 128     win->m_urgency_hint = -2;
 129     return FALSE;
 130 }
 131 }
 132
 133 //-----------------------------------------------------------------------------
 134 // "focus_in_event"
 135 //-----------------------------------------------------------------------------
 136
 137 extern "C" {
 138 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 139                                          GdkEvent *WXUNUSED(event),
 140                                          wxTopLevelWindowGTK *win )
 141 {
 142     switch ( g_sendActivateEvent )
 143     {
 144         case -1:
 145             // we've got focus from outside, synthetize wxActivateEvent
 146             g_sendActivateEvent = 1;
 147             break;
 148
 149         case 0:
 150             // another our window just lost focus, it was already ours before
 151             // - don't send any wxActivateEvent
 152             g_sendActivateEvent = -1;
 153             break;
 154     }
 155
 156     g_activeFrame = win;
 157     g_lastActiveFrame = g_activeFrame;
 158
 159     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 160
 161     // MR: wxRequestUserAttention related block
 162     switch( win->m_urgency_hint )
 163     {
 164         default:
 165             g_source_remove( win->m_urgency_hint );
 166             // no break, fallthrough to remove hint too
 167         case -1:
 168             gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
 169             win->m_urgency_hint = -2;
 170             break;
 171
 172         case -2: break;
 173     }
 174
 175     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 176     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 177     event.SetEventObject(g_activeFrame);
 178     g_activeFrame->HandleWindowEvent(event);
 179
 180     return FALSE;
 181 }
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // "focus_out_event"
 186 //-----------------------------------------------------------------------------
 187
 188 extern "C" {
 189 static
 190 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 191                                       GdkEventFocus *WXUNUSED(gdk_event),
 192                                       wxTopLevelWindowGTK * WXUNUSED(win))
 193 {
 194     // if the focus goes out of our app altogether, OnIdle() will send
 195     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 196     // g_sendActivateEvent to -1
 197     g_sendActivateEvent = 0;
 198
 199     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 200
 201     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 202
 203     if (g_activeFrame)
 204     {
 205         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 206         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 207         event.SetEventObject(g_activeFrame);
 208         g_activeFrame->HandleWindowEvent(event);
 209
 210         g_activeFrame = NULL;
 211     }
 212
 213     return FALSE;
 214 }
 215 }
 216
 217 //-----------------------------------------------------------------------------
 218 // "size_allocate" from m_wxwindow
 219 //-----------------------------------------------------------------------------
 220
 221 extern "C" {
 222 static void
 223 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 224 {
 225     if (win->m_oldClientWidth  != alloc->width ||
 226         win->m_oldClientHeight != alloc->height)
 227     {
 228         win->m_oldClientWidth  = alloc->width;
 229         win->m_oldClientHeight = alloc->height;
 230
 231         GtkAllocation a;
 232         gtk_widget_get_allocation(win->m_widget, &a);
 233         wxSize size(a.width, a.height);
 234         size += win->m_decorSize;
 235         win->m_width  = size.x;
 236         win->m_height = size.y;
 237
 238         if (!win->IsIconized())
 239         {
 240             wxSizeEvent event(size, win->GetId());
 241             event.SetEventObject(win);
 242             win->HandleWindowEvent(event);
 243         }
 244         // else the window is currently unmapped, don't generate size events
 245     }
 246 }
 247 }
 248
 249 //-----------------------------------------------------------------------------
 250 // "delete_event"
 251 //-----------------------------------------------------------------------------
 252
 253 extern "C" {
 254 static gboolean
 255 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 256                            GdkEvent *WXUNUSED(event),
 257                            wxTopLevelWindowGTK *win )
 258 {
 259     if (win->IsEnabled() &&
 260         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 261          win->IsGrabbed()))
 262         win->Close();
 263
 264     return TRUE;
 265 }
 266 }
 267
 268 //-----------------------------------------------------------------------------
 269 // "configure_event"
 270 //-----------------------------------------------------------------------------
 271
 272 extern "C" {
 273 static gboolean
 274 gtk_frame_configure_callback( GtkWidget* widget,
 275                               GdkEventConfigure *WXUNUSED(event),
 276                               wxTopLevelWindowGTK *win )
 277 {
 278     if (!win->m_hasVMT || !win->IsShown())
 279         return FALSE;
 280
 281     wxPoint point;
 282     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 283
 284     win->m_x = point.x;
 285     win->m_y = point.y;
 286     wxMoveEvent mevent(point, win->GetId());
 287     mevent.SetEventObject( win );
 288     win->HandleWindowEvent( mevent );
 289
 290     return FALSE;
 291 }
 292 }
 293
 294 //-----------------------------------------------------------------------------
 295 // "realize" from m_widget
 296 //-----------------------------------------------------------------------------
 297
 298 // we cannot the WM hints and icons before the widget has been realized,
 299 // so we do this directly after realization
 300
 301 void wxTopLevelWindowGTK::GTKHandleRealized()
 302 {
 303     wxNonOwnedWindow::GTKHandleRealized();
 304
 305     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 306                                (GdkWMDecoration)m_gdkDecor);
 307     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 308                                (GdkWMFunction)m_gdkFunc);
 309
 310     // GTK's shrinking/growing policy
 311     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 312         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 313 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 314     else
 315         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 316 #endif
 317
 318     const wxIconBundle& icons = GetIcons();
 319     if (icons.GetIconCount())
 320         SetIcons(icons);
 321 }
 322
 323 //-----------------------------------------------------------------------------
 324 // "map_event" from m_widget
 325 //-----------------------------------------------------------------------------
 326
 327 extern "C" {
 328 static gboolean
 329 gtk_frame_map_callback( GtkWidget*,
 330                         GdkEvent * WXUNUSED(event),
 331                         wxTopLevelWindow *win )
 332 {
 333     const bool wasIconized = win->IsIconized();
 334     if (wasIconized)
 335     {
 336         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 337         // a size event must be generated, just in case GetClientSize() was
 338         // called while iconized. This specifically happens when restoring a
 339         // tlw that was "rolled up" with some WMs.
 340         // Queue a resize rather than sending size event directly to allow
 341         // children to be made visible first.
 342         win->m_oldClientWidth = 0;
 343         gtk_widget_queue_resize(win->m_wxwindow);
 344     }
 345     // it is possible for m_isShown to be false here, see bug #9909
 346     if (win->wxWindowBase::Show(true))
 347     {
 348         wxShowEvent eventShow(win->GetId(), true);
 349         eventShow.SetEventObject(win);
 350         win->GetEventHandler()->ProcessEvent(eventShow);
 351     }
 352
 353 #if GTK_CHECK_VERSION(2,6,0)
 354     if (!gtk_check_version(2,6,0))
 355     {
 356         // restore focus-on-map setting in case ShowWithoutActivating() was called
 357         gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 358     }
 359 #endif // GTK+ 2.6+
 360
 361     return false;
 362 }
 363 }
 364
 365 //-----------------------------------------------------------------------------
 366 // "window-state-event" from m_widget
 367 //-----------------------------------------------------------------------------
 368
 369 extern "C" {
 370 static gboolean
 371 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 372                           GdkEventWindowState *event,
 373                           wxTopLevelWindow *win )
 374 {
 375     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 376         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 377
 378     // if maximized bit changed and it is now set
 379     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 380     {
 381         wxMaximizeEvent event(win->GetId());
 382         event.SetEventObject(win);
 383         win->HandleWindowEvent(event);
 384     }
 385
 386     return false;
 387 }
 388 }
 389
 390 //-----------------------------------------------------------------------------
 391
 392 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 393 {
 394 #ifdef GDK_WINDOWING_X11
 395     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 396     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 397                         gdk_drawable_get_display(window), property);
 398     Atom type;
 399     int format;
 400     gulong nitems, bytes_after;
 401     guchar* data;
 402     Status status = XGetWindowProperty(
 403         gdk_x11_drawable_get_xdisplay(window),
 404         gdk_x11_drawable_get_xid(window),
 405         xproperty,
 406         0, 4, false, XA_CARDINAL,
 407         &type, &format, &nitems, &bytes_after, &data);
 408     const bool success = status == Success && data && nitems == 4;
 409     if (success)
 410     {
 411         long* p = (long*)data;
 412         if (left)   *left   = int(p[0]);
 413         if (right)  *right  = int(p[1]);
 414         if (top)    *top    = int(p[2]);
 415         if (bottom) *bottom = int(p[3]);
 416     }
 417     if (data)
 418         XFree(data);
 419     return success;
 420 #else
 421     return false;
 422 #endif
 423 }
 424
 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
 474 // ----------------------------------------------------------------------------
 475 // wxTopLevelWindowGTK creation
 476 // ----------------------------------------------------------------------------
 477
 478 void wxTopLevelWindowGTK::Init()
 479 {
 480     m_mainWidget = NULL;
 481     m_isIconized = false;
 482     m_fsIsShowing = false;
 483     m_themeEnabled = true;
 484     m_gdkDecor =
 485     m_gdkFunc = 0;
 486     m_grabbed = false;
 487     m_deferShow = true;
 488     m_deferShowAllowed = true;
 489     m_updateDecorSize = true;
 490     m_netFrameExtentsTimerId = 0;
 491
 492     m_urgency_hint = -2;
 493 }
 494
 495 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 496                                   wxWindowID id,
 497                                   const wxString& title,
 498                                   const wxPoint& pos,
 499                                   const wxSize& sizeOrig,
 500                                   long style,
 501                                   const wxString &name )
 502 {
 503     // always create a frame of some reasonable, even if arbitrary, size (at
 504     // least for MSW compatibility)
 505     wxSize size = sizeOrig;
 506     size.x = WidthDefault(size.x);
 507     size.y = HeightDefault(size.y);
 508
 509     wxTopLevelWindows.Append( this );
 510
 511     if (!PreCreation( parent, pos, size ) ||
 512         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 513     {
 514         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 515         return false;
 516     }
 517
 518     m_title = title;
 519
 520     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 521     //     e.g. in wxTaskBarIconAreaGTK
 522     if (m_widget == NULL)
 523     {
 524 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 525         // we must create HildonWindow and not a normal GtkWindow as the latter
 526         // doesn't look correctly in Maemo environment and it must also be
 527         // registered with the main program object
 528         m_widget = hildon_window_new();
 529         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 530                                   HILDON_WINDOW(m_widget));
 531 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 532         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 533         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 534         {
 535             // Tell WM that this is a dialog window and make it center
 536             // on parent by default (this is what GtkDialog ctor does):
 537             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 538                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 539             gtk_window_set_position(GTK_WINDOW(m_widget),
 540                                     GTK_WIN_POS_CENTER_ON_PARENT);
 541         }
 542         else
 543         {
 544             if (style & wxFRAME_TOOL_WINDOW)
 545             {
 546                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 547                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 548
 549                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 550                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 551                 // For consistency between WMs and with Windows, we
 552                 // should set the NO_TASKBAR flag which will apply
 553                 // the set_skip_taskbar_hint if it is available,
 554                 // ensuring no taskbar entry will appear.
 555                 style |= wxFRAME_NO_TASKBAR;
 556             }
 557         }
 558 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 559
 560         g_object_ref(m_widget);
 561     }
 562
 563     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 564     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 565                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 566                        (style & wxFRAME_FLOAT_ON_PARENT)))
 567     {
 568         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 569                                       GTK_WINDOW(topParent->m_widget) );
 570     }
 571
 572     if (style & wxFRAME_NO_TASKBAR)
 573     {
 574         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 575     }
 576
 577     if (style & wxSTAY_ON_TOP)
 578     {
 579         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 580     }
 581     if (style & wxMAXIMIZE)
 582         gtk_window_maximize(GTK_WINDOW(m_widget));
 583
 584 #if 0
 585     if (!name.empty())
 586         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 587 #endif
 588
 589     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 590     gtk_widget_set_can_focus(m_widget, false);
 591
 592     g_signal_connect (m_widget, "delete_event",
 593                       G_CALLBACK (gtk_frame_delete_callback), this);
 594
 595     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 596     m_mainWidget = gtk_vbox_new(false, 0);
 597     gtk_widget_show( m_mainWidget );
 598     gtk_widget_set_can_focus(m_mainWidget, false);
 599     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 600
 601     // m_wxwindow is the client area
 602     m_wxwindow = wxPizza::New();
 603     gtk_widget_show( m_wxwindow );
 604     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 605
 606     // we donm't allow the frame to get the focus as otherwise
 607     // the frame will grab it at arbitrary focus changes
 608     gtk_widget_set_can_focus(m_wxwindow, false);
 609
 610     if (m_parent) m_parent->AddChild( this );
 611
 612     g_signal_connect(m_wxwindow, "size_allocate",
 613         G_CALLBACK(size_allocate), this);
 614
 615     PostCreation();
 616
 617 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 618     if ((m_x != -1) || (m_y != -1))
 619         gtk_widget_set_uposition( m_widget, m_x, m_y );
 620 #endif
 621
 622     // for some reported size corrections
 623     g_signal_connect (m_widget, "map_event",
 624                       G_CALLBACK (gtk_frame_map_callback), this);
 625
 626     // for iconized state
 627     g_signal_connect (m_widget, "window_state_event",
 628                       G_CALLBACK (gtk_frame_window_state_callback), this);
 629
 630
 631     // for wxMoveEvent
 632     g_signal_connect (m_widget, "configure_event",
 633                       G_CALLBACK (gtk_frame_configure_callback), this);
 634
 635     // activation
 636     g_signal_connect_after (m_widget, "focus_in_event",
 637                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 638     g_signal_connect_after (m_widget, "focus_out_event",
 639                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 640
 641     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 642     g_signal_connect(m_widget, "property_notify_event",
 643         G_CALLBACK(property_notify_event), this);
 644
 645     // translate wx decorations styles into Motif WM hints (they are recognized
 646     // by other WMs as well)
 647
 648     // always enable moving the window as we have no separate flag for enabling
 649     // it
 650     m_gdkFunc = GDK_FUNC_MOVE;
 651
 652     if ( style & wxCLOSE_BOX )
 653         m_gdkFunc |= GDK_FUNC_CLOSE;
 654
 655     if ( style & wxMINIMIZE_BOX )
 656         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 657
 658     if ( style & wxMAXIMIZE_BOX )
 659         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 660
 661     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 662     {
 663         m_gdkDecor = 0;
 664     }
 665     else // have border
 666     {
 667         m_gdkDecor = GDK_DECOR_BORDER;
 668
 669         if ( style & wxCAPTION )
 670             m_gdkDecor |= GDK_DECOR_TITLE;
 671
 672         if ( style & wxSYSTEM_MENU )
 673             m_gdkDecor |= GDK_DECOR_MENU;
 674
 675         if ( style & wxMINIMIZE_BOX )
 676             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 677
 678         if ( style & wxMAXIMIZE_BOX )
 679             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 680
 681         if ( style & wxRESIZE_BORDER )
 682         {
 683            m_gdkFunc |= GDK_FUNC_RESIZE;
 684            m_gdkDecor |= GDK_DECOR_RESIZEH;
 685         }
 686     }
 687
 688     // GTK sometimes chooses very small size if max size hint is not explicitly set
 689     DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, -1, -1);
 690
 691     m_decorSize = GetCachedDecorSize();
 692     int w, h;
 693     GTKDoGetSize(&w, &h);
 694     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 695
 696     return true;
 697 }
 698
 699 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 700 {
 701     if ( m_netFrameExtentsTimerId )
 702     {
 703         // Don't let the timer callback fire as the window pointer passed to it
 704         // will become invalid very soon.
 705         g_source_remove(m_netFrameExtentsTimerId);
 706     }
 707
 708 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 709     // it can also be a (standard) dialog
 710     if ( HILDON_IS_WINDOW(m_widget) )
 711     {
 712         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 713                                      HILDON_WINDOW(m_widget));
 714     }
 715 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 716
 717     if (m_grabbed)
 718     {
 719         wxFAIL_MSG(wxT("Window still grabbed"));
 720         RemoveGrab();
 721     }
 722
 723     SendDestroyEvent();
 724
 725     // it may also be GtkScrolledWindow in the case of an MDI child
 726     if (GTK_IS_WINDOW(m_widget))
 727     {
 728         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 729     }
 730
 731     if (g_activeFrame == this)
 732         g_activeFrame = NULL;
 733     if (g_lastActiveFrame == this)
 734         g_lastActiveFrame = NULL;
 735 }
 736
 737 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 738 {
 739     if (enable)
 740         m_gdkFunc |= GDK_FUNC_CLOSE;
 741     else
 742         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 743
 744     GdkWindow* window = gtk_widget_get_window(m_widget);
 745     if (window)
 746         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 747
 748     return true;
 749 }
 750
 751 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 752 {
 753     if (show == m_fsIsShowing)
 754         return false; // return what?
 755
 756     m_fsIsShowing = show;
 757
 758 #ifdef GDK_WINDOWING_X11
 759     wxX11FullScreenMethod method =
 760         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 761                                  (WXWindow)GDK_ROOT_WINDOW());
 762
 763     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 764     //     to switch to fullscreen, which is not always available. We must
 765     //     check if WM supports the spec and use legacy methods if it
 766     //     doesn't.
 767     if ( method == wxX11_FS_WMSPEC )
 768 #endif // GDK_WINDOWING_X11
 769     {
 770         if (show)
 771             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 772         else
 773             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 774     }
 775 #ifdef GDK_WINDOWING_X11
 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 #endif // GDK_WINDOWING_X11
 825
 826     // documented behaviour is to show the window if it's still hidden when
 827     // showing it full screen
 828     if (show)
 829         Show();
 830
 831     return true;
 832 }
 833
 834 // ----------------------------------------------------------------------------
 835 // overridden wxWindow methods
 836 // ----------------------------------------------------------------------------
 837
 838 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 839 {
 840     wxCHECK_RET( m_widget, wxT("invalid frame") );
 841
 842     gtk_widget_queue_draw( m_widget );
 843
 844     GdkWindow* window = NULL;
 845     if (m_wxwindow)
 846         window = gtk_widget_get_window(m_wxwindow);
 847     if (window)
 848         gdk_window_invalidate_rect(window, NULL, true);
 849 }
 850
 851 bool wxTopLevelWindowGTK::Show( bool show )
 852 {
 853     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 854
 855     bool deferShow = show && !m_isShown && m_deferShow;
 856     if (deferShow)
 857     {
 858         deferShow = gs_requestFrameExtentsStatus != 2 &&
 859             m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
 860         if (deferShow)
 861         {
 862             deferShow = g_signal_handler_find(m_widget,
 863                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 864                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 865                 0, NULL, NULL, this) != 0;
 866         }
 867         GdkScreen* screen = NULL;
 868         if (deferShow)
 869         {
 870 #ifdef GDK_WINDOWING_X11
 871             screen = gtk_widget_get_screen(m_widget);
 872             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 873             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 874 #else
 875             deferShow = false;
 876 #endif
 877             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 878             // to m_decorSize, it breaks saving/restoring window size with
 879             // GetSize()/SetSize() because it makes window bigger between each
 880             // restore and save.
 881             m_updateDecorSize = deferShow;
 882         }
 883
 884         m_deferShow = deferShow;
 885     }
 886     if (deferShow)
 887     {
 888         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 889         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 890         // notification is received, so correct frame extents are known.
 891         // This allows resizing m_widget to keep the overall size in sync with
 892         // what wxWidgets expects it to be without an obvious change in the
 893         // window size immediately after it becomes visible.
 894
 895         // Realize m_widget, so m_widget->window can be used. Realizing normally
 896         // causes the widget tree to be size_allocated, which generates size
 897         // events in the wrong order. However, the size_allocates will not be
 898         // done if the allocation is not the default (1,1).
 899         GtkAllocation alloc;
 900         gtk_widget_get_allocation(m_widget, &alloc);
 901         const int alloc_width = alloc.width;
 902         if (alloc_width == 1)
 903         {
 904             alloc.width = 2;
 905             gtk_widget_set_allocation(m_widget, &alloc);
 906         }
 907         gtk_widget_realize(m_widget);
 908         if (alloc_width == 1)
 909         {
 910             alloc.width = 1;
 911             gtk_widget_set_allocation(m_widget, &alloc);
 912         }
 913
 914 #ifdef GDK_WINDOWING_X11
 915         // send _NET_REQUEST_FRAME_EXTENTS
 916         XClientMessageEvent xevent;
 917         memset(&xevent, 0, sizeof(xevent));
 918         xevent.type = ClientMessage;
 919         GdkWindow* window = gtk_widget_get_window(m_widget);
 920         xevent.window = gdk_x11_drawable_get_xid(window);
 921         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 922             gdk_drawable_get_display(window),
 923             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 924         xevent.format = 32;
 925         Display* display = gdk_x11_drawable_get_xdisplay(window);
 926         XSendEvent(display, DefaultRootWindow(display), false,
 927             SubstructureNotifyMask | SubstructureRedirectMask,
 928             (XEvent*)&xevent);
 929 #endif // GDK_WINDOWING_X11
 930
 931         if (gs_requestFrameExtentsStatus == 0)
 932         {
 933             // if WM does not respond to request within 1 second,
 934             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 935             m_netFrameExtentsTimerId =
 936                 g_timeout_add(1000, request_frame_extents_timeout, this);
 937         }
 938
 939         // defer calling gtk_widget_show()
 940         m_isShown = true;
 941         return true;
 942     }
 943
 944     if (show && !gtk_widget_get_realized(m_widget))
 945     {
 946         // size_allocate signals occur in reverse order (bottom to top).
 947         // Things work better if the initial wxSizeEvents are sent (from the
 948         // top down), before the initial size_allocate signals occur.
 949         wxSizeEvent event(GetSize(), GetId());
 950         event.SetEventObject(this);
 951         HandleWindowEvent(event);
 952     }
 953
 954     bool change = base_type::Show(show);
 955
 956     if (change && !show)
 957     {
 958         // make sure window has a non-default position, so when it is shown
 959         // again, it won't be repositioned by WM as if it were a new window
 960         // Note that this must be done _after_ the window is hidden.
 961         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 962     }
 963
 964     return change;
 965 }
 966
 967 void wxTopLevelWindowGTK::ShowWithoutActivating()
 968 {
 969     if (!m_isShown)
 970     {
 971 #if GTK_CHECK_VERSION(2,6,0)
 972         if (!gtk_check_version(2,6,0))
 973             gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 974 #endif // GTK+ 2.6+
 975
 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     m_deferShowAllowed = true;
1026
1027     // deal with the position first
1028     int old_x = m_x;
1029     int old_y = m_y;
1030
1031     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1032     {
1033         // -1 means "use existing" unless the flag above is specified
1034         if ( x != -1 )
1035             m_x = x;
1036         if ( y != -1 )
1037             m_y = y;
1038     }
1039     else // wxSIZE_ALLOW_MINUS_ONE
1040     {
1041         m_x = x;
1042         m_y = y;
1043     }
1044
1045     if ( m_x != old_x || m_y != old_y )
1046     {
1047         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1048     }
1049
1050     const wxSize oldSize(m_width, m_height);
1051     if (width >= 0)
1052         m_width = width;
1053     if (height >= 0)
1054         m_height = height;
1055     ConstrainSize();
1056     if (m_width != oldSize.x || m_height != oldSize.y)
1057     {
1058         int w, h;
1059         GTKDoGetSize(&w, &h);
1060         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1061
1062         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1063         wxSizeEvent event(GetSize(), GetId());
1064         event.SetEventObject(this);
1065         HandleWindowEvent(event);
1066     }
1067 }
1068
1069 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1070 {
1071     base_type::DoSetClientSize(width, height);
1072
1073     // Since client size is being explicitly set, don't change it later
1074     // Has to be done after calling base because it calls SetSize,
1075     // which sets this true
1076     m_deferShowAllowed = false;
1077 }
1078
1079 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1080 {
1081     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1082
1083     if ( IsIconized() )
1084     {
1085         // for consistency with wxMSW, client area is supposed to be empty for
1086         // the iconized windows
1087         if ( width )
1088             *width = 0;
1089         if ( height )
1090             *height = 0;
1091     }
1092     else
1093     {
1094         GTKDoGetSize(width, height);
1095     }
1096 }
1097
1098 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1099                                           int maxW, int maxH,
1100                                           int incW, int incH )
1101 {
1102     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1103
1104     const wxSize minSize = GetMinSize();
1105     const wxSize maxSize = GetMaxSize();
1106     GdkGeometry hints;
1107     // always set both min and max hints, otherwise GTK will
1108     // make assumptions we don't want about the unset values
1109     int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1110     hints.min_width = 1;
1111     hints.min_height = 1;
1112     hints.max_width = INT_MAX;
1113     hints.max_height = INT_MAX;
1114     if (minSize.x > m_decorSize.x)
1115         hints.min_width = minSize.x - m_decorSize.x;
1116     if (minSize.y > m_decorSize.y)
1117         hints.min_height = minSize.y - m_decorSize.y;
1118     if (maxSize.x > 0)
1119     {
1120         hints.max_width = maxSize.x - m_decorSize.x;
1121         if (hints.max_width < hints.min_width)
1122             hints.max_width = hints.min_width;
1123     }
1124     if (maxSize.y > 0)
1125     {
1126         hints.max_height = maxSize.y - m_decorSize.y;
1127         if (hints.max_height < hints.min_height)
1128             hints.max_height = hints.min_height;
1129     }
1130     if (incW > 0 || incH > 0)
1131     {
1132         hints_mask |= GDK_HINT_RESIZE_INC;
1133         hints.width_inc  = incW > 0 ? incW : 1;
1134         hints.height_inc = incH > 0 ? incH : 1;
1135     }
1136     gtk_window_set_geometry_hints(
1137         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1138 }
1139
1140 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1141 {
1142     if (!IsMaximized() && !IsFullScreen())
1143         GetCachedDecorSize() = decorSize;
1144     if (m_updateDecorSize && m_decorSize != decorSize)
1145     {
1146         const wxSize diff = decorSize - m_decorSize;
1147         m_decorSize = decorSize;
1148         bool resized = false;
1149         if (m_deferShow)
1150         {
1151             // keep overall size unchanged by shrinking m_widget
1152             int w, h;
1153             GTKDoGetSize(&w, &h);
1154             // but not if size would be less than minimum, it won't take effect
1155             const wxSize minSize = GetMinSize();
1156             if (w >= minSize.x && h >= minSize.y)
1157             {
1158                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1159                 resized = true;
1160             }
1161         }
1162         if (!resized)
1163         {
1164             // adjust overall size to match change in frame extents
1165             m_width  += diff.x;
1166             m_height += diff.y;
1167             if (m_width  < 0) m_width  = 0;
1168             if (m_height < 0) m_height = 0;
1169             m_oldClientWidth = 0;
1170             gtk_widget_queue_resize(m_wxwindow);
1171         }
1172     }
1173     if (m_deferShow)
1174     {
1175         // gtk_widget_show() was deferred, do it now
1176         m_deferShow = false;
1177         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1178         wxSizeEvent sizeEvent(GetSize(), GetId());
1179         sizeEvent.SetEventObject(this);
1180         HandleWindowEvent(sizeEvent);
1181
1182         gtk_widget_show(m_widget);
1183
1184         wxShowEvent showEvent(GetId(), true);
1185         showEvent.SetEventObject(this);
1186         HandleWindowEvent(showEvent);
1187     }
1188 }
1189
1190 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1191 {
1192     static wxSize size[8];
1193
1194     int index = 0;
1195     // title bar
1196     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1197         index = 1;
1198     // border
1199     if (m_gdkDecor & GDK_DECOR_BORDER)
1200         index |= 2;
1201     // utility window decor can be different
1202     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1203         index |= 4;
1204     return size[index];
1205 }
1206
1207 void wxTopLevelWindowGTK::OnInternalIdle()
1208 {
1209     wxTopLevelWindowBase::OnInternalIdle();
1210
1211     // Synthetize activate events.
1212     if ( g_sendActivateEvent != -1 )
1213     {
1214         bool activate = g_sendActivateEvent != 0;
1215
1216         // if (!activate) wxPrintf( wxT("de") );
1217         // wxPrintf( wxT("activate\n") );
1218
1219         // do it only once
1220         g_sendActivateEvent = -1;
1221
1222         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1223     }
1224 }
1225
1226 // ----------------------------------------------------------------------------
1227 // frame title/icon
1228 // ----------------------------------------------------------------------------
1229
1230 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1231 {
1232     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1233
1234     if ( title == m_title )
1235         return;
1236
1237     m_title = title;
1238
1239     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1240 }
1241
1242 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1243 {
1244     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1245
1246     base_type::SetIcons(icons);
1247
1248     // Setting icons before window is realized can cause a GTK assertion if
1249     // another TLW is realized before this one, and it has this one as it's
1250     // transient parent. The life demo exibits this problem.
1251     if (gtk_widget_get_realized(m_widget))
1252     {
1253         GList* list = NULL;
1254         for (size_t i = icons.GetIconCount(); i--;)
1255             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1256         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1257         g_list_free(list);
1258     }
1259 }
1260
1261 // ----------------------------------------------------------------------------
1262 // frame state: maximized/iconized/normal
1263 // ----------------------------------------------------------------------------
1264
1265 void wxTopLevelWindowGTK::Maximize(bool maximize)
1266 {
1267     if (maximize)
1268         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1269     else
1270         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1271 }
1272
1273 bool wxTopLevelWindowGTK::IsMaximized() const
1274 {
1275     GdkWindow* window = NULL;
1276     if (m_widget)
1277         window = gtk_widget_get_window(m_widget);
1278     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1279 }
1280
1281 void wxTopLevelWindowGTK::Restore()
1282 {
1283     // "Present" seems similar enough to "restore"
1284     gtk_window_present( GTK_WINDOW( m_widget ) );
1285 }
1286
1287 void wxTopLevelWindowGTK::Iconize( bool iconize )
1288 {
1289     if (iconize)
1290         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1291     else
1292         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1293 }
1294
1295 bool wxTopLevelWindowGTK::IsIconized() const
1296 {
1297     return m_isIconized;
1298 }
1299
1300 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1301 {
1302     if ( iconize != m_isIconized )
1303     {
1304         m_isIconized = iconize;
1305         (void)SendIconizeEvent(iconize);
1306     }
1307 }
1308
1309 void wxTopLevelWindowGTK::AddGrab()
1310 {
1311     if (!m_grabbed)
1312     {
1313         m_grabbed = true;
1314         gtk_grab_add( m_widget );
1315         wxGUIEventLoop().Run();
1316         gtk_grab_remove( m_widget );
1317     }
1318 }
1319
1320 void wxTopLevelWindowGTK::RemoveGrab()
1321 {
1322     if (m_grabbed)
1323     {
1324         gtk_main_quit();
1325         m_grabbed = false;
1326     }
1327 }
1328
1329 bool wxTopLevelWindowGTK::IsActive()
1330 {
1331     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1332 }
1333
1334 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1335 {
1336     bool new_hint_value = false;
1337
1338     // FIXME: This is a workaround to focus handling problem
1339     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1340     // hasn't yet been processed, and the internal focus system is not up to date yet.
1341     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1342     // won't have side effects) - MR
1343     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1344
1345     if(m_urgency_hint >= 0)
1346         g_source_remove(m_urgency_hint);
1347
1348     m_urgency_hint = -2;
1349
1350     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1351     {
1352         new_hint_value = true;
1353
1354         if (flags & wxUSER_ATTENTION_INFO)
1355         {
1356             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1357         } else {
1358             m_urgency_hint = -1;
1359         }
1360     }
1361
1362     gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1363 }
1364
1365 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1366 {
1367     // Store which styles were changed
1368     long styleChanges = style ^ m_windowStyle;
1369
1370     // Process wxWindow styles. This also updates the internal variable
1371     // Therefore m_windowStyle bits carry now the _new_ style values
1372     wxWindow::SetWindowStyleFlag(style);
1373
1374     // just return for now if widget does not exist yet
1375     if (!m_widget)
1376         return;
1377
1378     if ( styleChanges & wxSTAY_ON_TOP )
1379     {
1380         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1381                                   m_windowStyle & wxSTAY_ON_TOP);
1382     }
1383
1384     if ( styleChanges & wxFRAME_NO_TASKBAR )
1385     {
1386         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1387                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1388     }
1389 }
1390
1391 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1392 {
1393     GdkWindow* window = NULL;
1394     if (m_widget)
1395         window = gtk_widget_get_window(m_widget);
1396     if (window == NULL)
1397         return false;
1398
1399 #ifdef GDK_WINDOWING_X11
1400     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1401     Window win = GDK_WINDOW_XID(window);
1402
1403     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1404     if (alpha == 0xff)
1405         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1406     else
1407     {
1408         long opacity = alpha * 0x1010101L;
1409         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1410                         XA_CARDINAL, 32, PropModeReplace,
1411                         (unsigned char *) &opacity, 1L);
1412     }
1413     XSync(dpy, False);
1414     return true;
1415 #else // !GDK_WINDOWING_X11
1416     return false;
1417 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1418 }
1419
1420 bool wxTopLevelWindowGTK::CanSetTransparent()
1421 {
1422     // allow to override automatic detection as it's far from perfect
1423     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1424     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1425     {
1426         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1427     }
1428
1429 #if GTK_CHECK_VERSION(2,10,0)
1430     if (!gtk_check_version(2,10,0))
1431     {
1432         return gtk_widget_is_composited(m_widget) != 0;
1433     }
1434     else
1435 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1436     {
1437         return false;
1438     }
1439
1440 #if 0 // Don't be optimistic here for the sake of wxAUI
1441     int opcode, event, error;
1442     // Check for the existence of a RGBA visual instead?
1443     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1444                            "Composite", &opcode, &event, &error);
1445 #endif
1446 }