src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/toplevel.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 #ifdef __VMS
  22 #define XIconifyWindow XICONIFYWINDOW
  23 #endif
  24
  25 #include "wx/toplevel.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/frame.h"
  29     #include "wx/icon.h"
  30     #include "wx/log.h"
  31     #include "wx/app.h"
  32 #endif
  33
  34 #include "wx/evtloop.h"
  35 #include "wx/sysopt.h"
  36
  37 #include <gtk/gtk.h>
  38 #ifdef GDK_WINDOWING_X11
  39     #include <gdk/gdkx.h>
  40     #include <X11/Xatom.h>  // XA_CARDINAL
  41     #include "wx/unix/utilsx11.h"
  42 #endif
  43
  44 #include "wx/gtk/private.h"
  45 #include "wx/gtk/private/gtk2-compat.h"
  46 #include "wx/gtk/private/win_gtk.h"
  47
  48 #if wxUSE_LIBHILDON
  49     #include <hildon-widgets/hildon-program.h>
  50     #include <hildon-widgets/hildon-window.h>
  51 #endif // wxUSE_LIBHILDON
  52
  53 #if wxUSE_LIBHILDON2
  54     #include <hildon/hildon.h>
  55 #endif // wxUSE_LIBHILDON2
  56
  57 // ----------------------------------------------------------------------------
  58 // data
  59 // ----------------------------------------------------------------------------
  60
  61 // this is incremented while a modal dialog is shown
  62 int wxOpenModalDialogsCount = 0;
  63
  64 // the frame that is currently active (i.e. its child has focus). It is
  65 // used to generate wxActivateEvents
  66 static wxTopLevelWindowGTK *g_activeFrame = NULL;
  67 static wxTopLevelWindowGTK *g_lastActiveFrame = NULL;
  68
  69 // if we detect that the app has got/lost the focus, we set this variable to
  70 // either TRUE or FALSE and an activate event will be sent during the next
  71 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  72 // send any activate events at all
  73 static int g_sendActivateEvent = -1;
  74
  75 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
  76 //   0 == not tested yet, 1 == working, 2 == broken
  77 static int gs_requestFrameExtentsStatus;
  78
  79 //-----------------------------------------------------------------------------
  80 // RequestUserAttention related functions
  81 //-----------------------------------------------------------------------------
  82
  83 #ifndef __WXGTK3__
  84 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  85                                            gboolean setting)
  86 {
  87 #if GTK_CHECK_VERSION(2,7,0)
  88     if (gtk_check_version(2,7,0) == NULL)
  89         gtk_window_set_urgency_hint(win, setting);
  90     else
  91 #endif
  92     {
  93 #ifdef GDK_WINDOWING_X11
  94         GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
  95         wxCHECK_RET(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
  96
  97         Display* dpy = GDK_WINDOW_XDISPLAY(window);
  98         Window xid = GDK_WINDOW_XID(window);
  99         XWMHints* wm_hints = XGetWMHints(dpy, xid);
 100
 101         if (!wm_hints)
 102             wm_hints = XAllocWMHints();
 103
 104         if (setting)
 105             wm_hints->flags |= XUrgencyHint;
 106         else
 107             wm_hints->flags &= ~XUrgencyHint;
 108
 109         XSetWMHints(dpy, xid, wm_hints);
 110         XFree(wm_hints);
 111 #endif // GDK_WINDOWING_X11
 112     }
 113 }
 114 #define gtk_window_set_urgency_hint wxgtk_window_set_urgency_hint
 115 #endif
 116
 117 extern "C" {
 118 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 119 {
 120     gtk_window_set_urgency_hint(GTK_WINDOW(win->m_widget), false);
 121
 122     win->m_urgency_hint = -2;
 123     return FALSE;
 124 }
 125 }
 126
 127 //-----------------------------------------------------------------------------
 128 // "focus_in_event"
 129 //-----------------------------------------------------------------------------
 130
 131 extern "C" {
 132 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 133                                          GdkEvent *WXUNUSED(event),
 134                                          wxTopLevelWindowGTK *win )
 135 {
 136     switch ( g_sendActivateEvent )
 137     {
 138         case -1:
 139             // we've got focus from outside, synthetize wxActivateEvent
 140             g_sendActivateEvent = 1;
 141             break;
 142
 143         case 0:
 144             // another our window just lost focus, it was already ours before
 145             // - don't send any wxActivateEvent
 146             g_sendActivateEvent = -1;
 147             break;
 148     }
 149
 150     g_activeFrame = win;
 151     g_lastActiveFrame = g_activeFrame;
 152
 153     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 154
 155     // MR: wxRequestUserAttention related block
 156     switch( win->m_urgency_hint )
 157     {
 158         default:
 159             g_source_remove( win->m_urgency_hint );
 160             // no break, fallthrough to remove hint too
 161         case -1:
 162             gtk_window_set_urgency_hint(GTK_WINDOW(widget), false);
 163             win->m_urgency_hint = -2;
 164             break;
 165
 166         case -2: break;
 167     }
 168
 169     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 170     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 171     event.SetEventObject(g_activeFrame);
 172     g_activeFrame->HandleWindowEvent(event);
 173
 174     return FALSE;
 175 }
 176 }
 177
 178 //-----------------------------------------------------------------------------
 179 // "focus_out_event"
 180 //-----------------------------------------------------------------------------
 181
 182 extern "C" {
 183 static
 184 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 185                                       GdkEventFocus *WXUNUSED(gdk_event),
 186                                       wxTopLevelWindowGTK * WXUNUSED(win))
 187 {
 188     // if the focus goes out of our app altogether, OnIdle() will send
 189     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 190     // g_sendActivateEvent to -1
 191     g_sendActivateEvent = 0;
 192
 193     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 194
 195     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 196
 197     if (g_activeFrame)
 198     {
 199         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 200         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 201         event.SetEventObject(g_activeFrame);
 202         g_activeFrame->HandleWindowEvent(event);
 203
 204         g_activeFrame = NULL;
 205     }
 206
 207     return FALSE;
 208 }
 209 }
 210
 211 // ----------------------------------------------------------------------------
 212 // key_press_event
 213 // ----------------------------------------------------------------------------
 214 extern "C" {
 215 static
 216 gint
 217 wxgtk_tlw_key_press_event(GtkWidget *widget, GdkEventKey *event)
 218 {
 219     GtkWindow* const window = GTK_WINDOW(widget);
 220
 221     // By default GTK+ checks for the menu accelerators in this (top level)
 222     // window first and then propagates the event to the currently focused
 223     // child from where it bubbles up the window parent chain. In wxWidgets,
 224     // however, we want the child window to have the event first but still
 225     // handle it as an accelerator if it's not processed there, so we need to
 226     // customize this by reversing the order of the steps done in the standard
 227     // GTK+ gtk_window_key_press_event() handler.
 228
 229     if ( gtk_window_propagate_key_event(window, event) )
 230         return TRUE;
 231
 232     if ( gtk_window_activate_key(window, event) )
 233         return TRUE;
 234
 235     GtkObjectClass* parent_class = &GTK_WIDGET_GET_CLASS(widget)->parent_class;
 236     if ( GTK_WIDGET_CLASS(parent_class)->key_press_event(widget, event) )
 237         return TRUE;
 238
 239     return FALSE;
 240 }
 241 }
 242
 243 //-----------------------------------------------------------------------------
 244 // "size_allocate" from m_wxwindow
 245 //-----------------------------------------------------------------------------
 246
 247 extern "C" {
 248 static void
 249 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 250 {
 251     win->m_useCachedClientSize = true;
 252     if (win->m_clientWidth  != alloc->width ||
 253         win->m_clientHeight != alloc->height)
 254     {
 255         win->m_clientWidth  = alloc->width;
 256         win->m_clientHeight = alloc->height;
 257
 258         GtkAllocation a;
 259         gtk_widget_get_allocation(win->m_widget, &a);
 260         wxSize size(a.width, a.height);
 261         size += win->m_decorSize;
 262         win->m_width  = size.x;
 263         win->m_height = size.y;
 264
 265         if (!win->IsIconized())
 266         {
 267             wxSizeEvent event(size, win->GetId());
 268             event.SetEventObject(win);
 269             win->HandleWindowEvent(event);
 270         }
 271         // else the window is currently unmapped, don't generate size events
 272     }
 273 }
 274 }
 275
 276 //-----------------------------------------------------------------------------
 277 // "delete_event"
 278 //-----------------------------------------------------------------------------
 279
 280 extern "C" {
 281 static gboolean
 282 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 283                            GdkEvent *WXUNUSED(event),
 284                            wxTopLevelWindowGTK *win )
 285 {
 286     if (win->IsEnabled() &&
 287         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 288          win->IsGrabbed()))
 289         win->Close();
 290
 291     return TRUE;
 292 }
 293 }
 294
 295 //-----------------------------------------------------------------------------
 296 // "configure_event"
 297 //-----------------------------------------------------------------------------
 298
 299 extern "C" {
 300 static gboolean
 301 gtk_frame_configure_callback( GtkWidget* widget,
 302                               GdkEventConfigure *WXUNUSED(event),
 303                               wxTopLevelWindowGTK *win )
 304 {
 305     if (!win->IsShown())
 306         return FALSE;
 307
 308     wxPoint point;
 309     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 310
 311     win->m_x = point.x;
 312     win->m_y = point.y;
 313     wxMoveEvent mevent(point, win->GetId());
 314     mevent.SetEventObject( win );
 315     win->HandleWindowEvent( mevent );
 316
 317     return FALSE;
 318 }
 319 }
 320
 321 //-----------------------------------------------------------------------------
 322 // "realize" from m_widget
 323 //-----------------------------------------------------------------------------
 324
 325 // we cannot the WM hints and icons before the widget has been realized,
 326 // so we do this directly after realization
 327
 328 void wxTopLevelWindowGTK::GTKHandleRealized()
 329 {
 330     wxNonOwnedWindow::GTKHandleRealized();
 331
 332     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 333                                (GdkWMDecoration)m_gdkDecor);
 334     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 335                                (GdkWMFunction)m_gdkFunc);
 336
 337     // GTK's shrinking/growing policy
 338     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 339         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 340 #ifndef __WXGTK3__
 341     else
 342         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 343 #endif
 344
 345     const wxIconBundle& icons = GetIcons();
 346     if (icons.GetIconCount())
 347         SetIcons(icons);
 348
 349 #ifdef __WXGTK3__
 350     if (gtk_window_get_has_resize_grip(GTK_WINDOW(m_widget)))
 351     {
 352         // Grip window can end up obscured, probably due to deferred show.
 353         // Reset grip to ensure it is visible.
 354         gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), false);
 355         gtk_window_set_has_resize_grip(GTK_WINDOW(m_widget), true);
 356     }
 357 #endif
 358 }
 359
 360 //-----------------------------------------------------------------------------
 361 // "map_event" from m_widget
 362 //-----------------------------------------------------------------------------
 363
 364 extern "C" {
 365 static gboolean
 366 gtk_frame_map_callback( GtkWidget*,
 367                         GdkEvent * WXUNUSED(event),
 368                         wxTopLevelWindow *win )
 369 {
 370     const bool wasIconized = win->IsIconized();
 371     if (wasIconized)
 372     {
 373         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 374         // a size event must be generated, just in case GetClientSize() was
 375         // called while iconized. This specifically happens when restoring a
 376         // tlw that was "rolled up" with some WMs.
 377         // Queue a resize rather than sending size event directly to allow
 378         // children to be made visible first.
 379         win->m_useCachedClientSize = false;
 380         win->m_clientWidth = 0;
 381         gtk_widget_queue_resize(win->m_wxwindow);
 382     }
 383     // it is possible for m_isShown to be false here, see bug #9909
 384     if (win->wxWindowBase::Show(true))
 385     {
 386         wxShowEvent eventShow(win->GetId(), true);
 387         eventShow.SetEventObject(win);
 388         win->GetEventHandler()->ProcessEvent(eventShow);
 389     }
 390
 391     // restore focus-on-map setting in case ShowWithoutActivating() was called
 392     gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 393
 394     return false;
 395 }
 396 }
 397
 398 //-----------------------------------------------------------------------------
 399 // "window-state-event" from m_widget
 400 //-----------------------------------------------------------------------------
 401
 402 extern "C" {
 403 static gboolean
 404 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 405                           GdkEventWindowState *event,
 406                           wxTopLevelWindow *win )
 407 {
 408     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 409         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 410
 411     // if maximized bit changed and it is now set
 412     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 413     {
 414         wxMaximizeEvent evt(win->GetId());
 415         evt.SetEventObject(win);
 416         win->HandleWindowEvent(evt);
 417     }
 418
 419     if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
 420         win->m_fsIsShowing = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;
 421
 422     return false;
 423 }
 424 }
 425
 426 //-----------------------------------------------------------------------------
 427
 428 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 429 {
 430 #ifdef GDK_WINDOWING_X11
 431     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 432     GdkDisplay* display = gdk_window_get_display(window);
 433     Atom xproperty = gdk_x11_atom_to_xatom_for_display(display, property);
 434     Atom type;
 435     int format;
 436     gulong nitems, bytes_after;
 437     guchar* data;
 438     Status status = XGetWindowProperty(
 439         GDK_DISPLAY_XDISPLAY(display),
 440         GDK_WINDOW_XID(window),
 441         xproperty,
 442         0, 4, false, XA_CARDINAL,
 443         &type, &format, &nitems, &bytes_after, &data);
 444     const bool success = status == Success && data && nitems == 4;
 445     if (success)
 446     {
 447         long* p = (long*)data;
 448         if (left)   *left   = int(p[0]);
 449         if (right)  *right  = int(p[1]);
 450         if (top)    *top    = int(p[2]);
 451         if (bottom) *bottom = int(p[3]);
 452     }
 453     if (data)
 454         XFree(data);
 455     return success;
 456 #else
 457     return false;
 458 #endif
 459 }
 460
 461 #ifdef GDK_WINDOWING_X11
 462 //-----------------------------------------------------------------------------
 463 // "property_notify_event" from m_widget
 464 //-----------------------------------------------------------------------------
 465
 466 extern "C" {
 467 static gboolean property_notify_event(
 468     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 469 {
 470     // Watch for changes to _NET_FRAME_EXTENTS property
 471     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 472     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 473     {
 474         if (win->m_netFrameExtentsTimerId)
 475         {
 476             // WM support for _NET_REQUEST_FRAME_EXTENTS is working
 477             gs_requestFrameExtentsStatus = 1;
 478             g_source_remove(win->m_netFrameExtentsTimerId);
 479             win->m_netFrameExtentsTimerId = 0;
 480         }
 481
 482         wxSize decorSize = win->m_decorSize;
 483         int left, right, top, bottom;
 484         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 485             decorSize.Set(left + right, top + bottom);
 486
 487         win->GTKUpdateDecorSize(decorSize);
 488     }
 489     return false;
 490 }
 491 }
 492
 493 extern "C" {
 494 static gboolean request_frame_extents_timeout(void* data)
 495 {
 496     // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
 497     gs_requestFrameExtentsStatus = 2;
 498     gdk_threads_enter();
 499     wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
 500     win->m_netFrameExtentsTimerId = 0;
 501     wxSize decorSize = win->m_decorSize;
 502     int left, right, top, bottom;
 503     if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
 504         decorSize.Set(left + right, top + bottom);
 505     win->GTKUpdateDecorSize(decorSize);
 506     gdk_threads_leave();
 507     return false;
 508 }
 509 }
 510 #endif // GDK_WINDOWING_X11
 511
 512 // ----------------------------------------------------------------------------
 513 // wxTopLevelWindowGTK creation
 514 // ----------------------------------------------------------------------------
 515
 516 void wxTopLevelWindowGTK::Init()
 517 {
 518     m_mainWidget = NULL;
 519     m_isIconized = false;
 520     m_fsIsShowing = false;
 521     m_themeEnabled = true;
 522     m_gdkDecor =
 523     m_gdkFunc = 0;
 524     m_grabbed = false;
 525     m_deferShow = true;
 526     m_deferShowAllowed = true;
 527     m_updateDecorSize = true;
 528     m_netFrameExtentsTimerId = 0;
 529     m_incWidth = m_incHeight = 0;
 530
 531     m_urgency_hint = -2;
 532 }
 533
 534 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 535                                   wxWindowID id,
 536                                   const wxString& title,
 537                                   const wxPoint& pos,
 538                                   const wxSize& sizeOrig,
 539                                   long style,
 540                                   const wxString &name )
 541 {
 542     // always create a frame of some reasonable, even if arbitrary, size (at
 543     // least for MSW compatibility)
 544     wxSize size = sizeOrig;
 545     size.x = WidthDefault(size.x);
 546     size.y = HeightDefault(size.y);
 547
 548     wxTopLevelWindows.Append( this );
 549
 550     if (!PreCreation( parent, pos, size ) ||
 551         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 552     {
 553         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 554         return false;
 555     }
 556
 557     m_title = title;
 558
 559     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 560     //     e.g. in wxTaskBarIconAreaGTK
 561     if (m_widget == NULL)
 562     {
 563 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 564         // we must create HildonWindow and not a normal GtkWindow as the latter
 565         // doesn't look correctly in Maemo environment and it must also be
 566         // registered with the main program object
 567         m_widget = hildon_window_new();
 568         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 569                                   HILDON_WINDOW(m_widget));
 570 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 571         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 572         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 573         {
 574             // Tell WM that this is a dialog window and make it center
 575             // on parent by default (this is what GtkDialog ctor does):
 576             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 577                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 578             gtk_window_set_position(GTK_WINDOW(m_widget),
 579                                     GTK_WIN_POS_CENTER_ON_PARENT);
 580         }
 581         else
 582         {
 583             if (style & wxFRAME_TOOL_WINDOW)
 584             {
 585                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 586                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 587
 588                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 589                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 590                 // For consistency between WMs and with Windows, we
 591                 // should set the NO_TASKBAR flag which will apply
 592                 // the set_skip_taskbar_hint if it is available,
 593                 // ensuring no taskbar entry will appear.
 594                 style |= wxFRAME_NO_TASKBAR;
 595             }
 596         }
 597 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 598
 599         g_object_ref(m_widget);
 600     }
 601
 602     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 603     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 604                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 605                        (style & wxFRAME_FLOAT_ON_PARENT)))
 606     {
 607         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 608                                       GTK_WINDOW(topParent->m_widget) );
 609     }
 610
 611     if (style & wxFRAME_NO_TASKBAR)
 612     {
 613         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 614     }
 615
 616     if (style & wxSTAY_ON_TOP)
 617     {
 618         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 619     }
 620     if (style & wxMAXIMIZE)
 621         gtk_window_maximize(GTK_WINDOW(m_widget));
 622
 623 #if 0
 624     if (!name.empty())
 625         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 626 #endif
 627
 628     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 629     gtk_widget_set_can_focus(m_widget, false);
 630
 631     g_signal_connect (m_widget, "delete_event",
 632                       G_CALLBACK (gtk_frame_delete_callback), this);
 633
 634     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 635     m_mainWidget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 636     gtk_widget_show( m_mainWidget );
 637     gtk_widget_set_can_focus(m_mainWidget, false);
 638     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 639
 640     // m_wxwindow is the client area
 641     m_wxwindow = wxPizza::New();
 642     gtk_widget_show( m_wxwindow );
 643     gtk_box_pack_start(GTK_BOX(m_mainWidget), m_wxwindow, true, true, 0);
 644
 645     // we donm't allow the frame to get the focus as otherwise
 646     // the frame will grab it at arbitrary focus changes
 647     gtk_widget_set_can_focus(m_wxwindow, false);
 648
 649     if (m_parent) m_parent->AddChild( this );
 650
 651     g_signal_connect(m_wxwindow, "size_allocate",
 652         G_CALLBACK(size_allocate), this);
 653
 654     PostCreation();
 655
 656 #ifndef __WXGTK3__
 657     if ((m_x != -1) || (m_y != -1))
 658         gtk_widget_set_uposition( m_widget, m_x, m_y );
 659 #endif
 660
 661     // for some reported size corrections
 662     g_signal_connect (m_widget, "map_event",
 663                       G_CALLBACK (gtk_frame_map_callback), this);
 664
 665     // for iconized state
 666     g_signal_connect (m_widget, "window_state_event",
 667                       G_CALLBACK (gtk_frame_window_state_callback), this);
 668
 669
 670     // for wxMoveEvent
 671     g_signal_connect (m_widget, "configure_event",
 672                       G_CALLBACK (gtk_frame_configure_callback), this);
 673
 674     // activation
 675     g_signal_connect_after (m_widget, "focus_in_event",
 676                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 677     g_signal_connect_after (m_widget, "focus_out_event",
 678                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 679
 680     // We need to customize the default GTK+ logic for key processing to make
 681     // it conforming to wxWidgets event processing order.
 682     g_signal_connect (m_widget, "key_press_event",
 683                       G_CALLBACK (wxgtk_tlw_key_press_event), NULL);
 684
 685 #ifdef GDK_WINDOWING_X11
 686 #ifdef __WXGTK3__
 687     if (GDK_IS_X11_SCREEN(gtk_window_get_screen(GTK_WINDOW(m_widget))))
 688 #endif
 689     {
 690         gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 691         g_signal_connect(m_widget, "property_notify_event",
 692             G_CALLBACK(property_notify_event), this);
 693     }
 694 #endif // GDK_WINDOWING_X11
 695
 696     // translate wx decorations styles into Motif WM hints (they are recognized
 697     // by other WMs as well)
 698
 699     // always enable moving the window as we have no separate flag for enabling
 700     // it
 701     m_gdkFunc = GDK_FUNC_MOVE;
 702
 703     if ( style & wxCLOSE_BOX )
 704         m_gdkFunc |= GDK_FUNC_CLOSE;
 705
 706     if ( style & wxMINIMIZE_BOX )
 707         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 708
 709     if ( style & wxMAXIMIZE_BOX )
 710         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 711
 712     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 713     {
 714         m_gdkDecor = 0;
 715     }
 716     else // have border
 717     {
 718         m_gdkDecor = GDK_DECOR_BORDER;
 719
 720         if ( style & wxCAPTION )
 721             m_gdkDecor |= GDK_DECOR_TITLE;
 722
 723         if ( style & wxSYSTEM_MENU )
 724             m_gdkDecor |= GDK_DECOR_MENU;
 725
 726         if ( style & wxMINIMIZE_BOX )
 727             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 728
 729         if ( style & wxMAXIMIZE_BOX )
 730             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 731
 732         if ( style & wxRESIZE_BORDER )
 733         {
 734            m_gdkFunc |= GDK_FUNC_RESIZE;
 735            m_gdkDecor |= GDK_DECOR_RESIZEH;
 736         }
 737     }
 738
 739     // GTK sometimes chooses very small size if max size hint is not explicitly set
 740     DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
 741
 742     m_decorSize = GetCachedDecorSize();
 743     int w, h;
 744     GTKDoGetSize(&w, &h);
 745     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 746
 747     return true;
 748 }
 749
 750 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 751 {
 752     if ( m_netFrameExtentsTimerId )
 753     {
 754         // Don't let the timer callback fire as the window pointer passed to it
 755         // will become invalid very soon.
 756         g_source_remove(m_netFrameExtentsTimerId);
 757     }
 758
 759 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 760     // it can also be a (standard) dialog
 761     if ( HILDON_IS_WINDOW(m_widget) )
 762     {
 763         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 764                                      HILDON_WINDOW(m_widget));
 765     }
 766 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 767
 768     if (m_grabbed)
 769     {
 770         wxFAIL_MSG(wxT("Window still grabbed"));
 771         RemoveGrab();
 772     }
 773
 774     SendDestroyEvent();
 775
 776     // it may also be GtkScrolledWindow in the case of an MDI child
 777     if (GTK_IS_WINDOW(m_widget))
 778     {
 779         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 780     }
 781
 782     if (g_activeFrame == this)
 783         g_activeFrame = NULL;
 784     if (g_lastActiveFrame == this)
 785         g_lastActiveFrame = NULL;
 786 }
 787
 788 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 789 {
 790     if (enable)
 791         m_gdkFunc |= GDK_FUNC_CLOSE;
 792     else
 793         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 794
 795     GdkWindow* window = gtk_widget_get_window(m_widget);
 796     if (window)
 797         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 798
 799     return true;
 800 }
 801
 802 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 803 {
 804     if (show == m_fsIsShowing)
 805         return false; // return what?
 806
 807     m_fsIsShowing = show;
 808
 809 #ifdef GDK_WINDOWING_X11
 810     Display* xdpy = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_widget));
 811     Window xroot = GDK_WINDOW_XID(gtk_widget_get_root_window(m_widget));
 812     wxX11FullScreenMethod method = wxGetFullScreenMethodX11(xdpy, (WXWindow)xroot);
 813
 814     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 815     //     to switch to fullscreen, which is not always available. We must
 816     //     check if WM supports the spec and use legacy methods if it
 817     //     doesn't.
 818     if ( method == wxX11_FS_WMSPEC )
 819 #endif // GDK_WINDOWING_X11
 820     {
 821         if (show)
 822             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 823         else
 824             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 825     }
 826 #ifdef GDK_WINDOWING_X11
 827     else
 828     {
 829         GdkWindow* window = gtk_widget_get_window(m_widget);
 830         Window xid = GDK_WINDOW_XID(window);
 831
 832         if (show)
 833         {
 834             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 835             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 836
 837             GdkScreen* screen = gtk_widget_get_screen(m_widget);
 838             const int screen_width = gdk_screen_get_width(screen);
 839             const int screen_height = gdk_screen_get_height(screen);
 840
 841             gint client_x, client_y, root_x, root_y;
 842             gint width, height;
 843
 844             m_fsSaveGdkFunc = m_gdkFunc;
 845             m_fsSaveGdkDecor = m_gdkDecor;
 846             m_gdkFunc = m_gdkDecor = 0;
 847             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 848             gdk_window_set_functions(window, (GdkWMFunction)0);
 849
 850             gdk_window_get_origin(window, &root_x, &root_y);
 851             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height);
 852
 853             gdk_window_move_resize(
 854                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 855
 856             wxSetFullScreenStateX11(xdpy,
 857                                     (WXWindow)xroot,
 858                                     (WXWindow)xid,
 859                                     show, &m_fsSaveFrame, method);
 860         }
 861         else // hide
 862         {
 863             m_gdkFunc = m_fsSaveGdkFunc;
 864             m_gdkDecor = m_fsSaveGdkDecor;
 865             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 866             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 867
 868             wxSetFullScreenStateX11(xdpy,
 869                                     (WXWindow)xroot,
 870                                     (WXWindow)xid,
 871                                     show, &m_fsSaveFrame, method);
 872
 873             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 874                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 875         }
 876     }
 877 #endif // GDK_WINDOWING_X11
 878
 879     // documented behaviour is to show the window if it's still hidden when
 880     // showing it full screen
 881     if (show)
 882         Show();
 883
 884     return true;
 885 }
 886
 887 // ----------------------------------------------------------------------------
 888 // overridden wxWindow methods
 889 // ----------------------------------------------------------------------------
 890
 891 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 892 {
 893     wxCHECK_RET( m_widget, wxT("invalid frame") );
 894
 895     gtk_widget_queue_draw( m_widget );
 896
 897     GdkWindow* window = NULL;
 898     if (m_wxwindow)
 899         window = gtk_widget_get_window(m_wxwindow);
 900     if (window)
 901         gdk_window_invalidate_rect(window, NULL, true);
 902 }
 903
 904 bool wxTopLevelWindowGTK::Show( bool show )
 905 {
 906     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 907
 908 #ifdef GDK_WINDOWING_X11
 909     bool deferShow = show && !m_isShown && m_deferShow;
 910     if (deferShow)
 911     {
 912         deferShow = m_deferShowAllowed && gs_requestFrameExtentsStatus != 2 &&
 913             !gtk_widget_get_realized(m_widget) &&
 914             g_signal_handler_find(m_widget,
 915                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 916                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 917                 0, NULL, NULL, this);
 918         if (deferShow)
 919         {
 920             GdkScreen* screen = gtk_widget_get_screen(m_widget);
 921             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 922             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 923
 924             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 925             // to m_decorSize, it breaks saving/restoring window size with
 926             // GetSize()/SetSize() because it makes window bigger between each
 927             // restore and save.
 928             m_updateDecorSize = deferShow;
 929         }
 930
 931         m_deferShow = deferShow;
 932     }
 933     if (deferShow)
 934     {
 935         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 936         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 937         // notification is received, so correct frame extents are known.
 938         // This allows resizing m_widget to keep the overall size in sync with
 939         // what wxWidgets expects it to be without an obvious change in the
 940         // window size immediately after it becomes visible.
 941
 942         // Realize m_widget, so m_widget->window can be used. Realizing normally
 943         // causes the widget tree to be size_allocated, which generates size
 944         // events in the wrong order. However, the size_allocates will not be
 945         // done if the allocation is not the default (1,1).
 946         GtkAllocation alloc;
 947         gtk_widget_get_allocation(m_widget, &alloc);
 948         const int alloc_width = alloc.width;
 949         if (alloc_width == 1)
 950         {
 951             alloc.width = 2;
 952             gtk_widget_set_allocation(m_widget, &alloc);
 953         }
 954         gtk_widget_realize(m_widget);
 955         if (alloc_width == 1)
 956         {
 957             alloc.width = 1;
 958             gtk_widget_set_allocation(m_widget, &alloc);
 959         }
 960
 961         // send _NET_REQUEST_FRAME_EXTENTS
 962         XClientMessageEvent xevent;
 963         memset(&xevent, 0, sizeof(xevent));
 964         xevent.type = ClientMessage;
 965         GdkWindow* window = gtk_widget_get_window(m_widget);
 966         xevent.window = GDK_WINDOW_XID(window);
 967         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 968             gdk_window_get_display(window),
 969             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 970         xevent.format = 32;
 971         Display* display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(window));
 972         XSendEvent(display, DefaultRootWindow(display), false,
 973             SubstructureNotifyMask | SubstructureRedirectMask,
 974             (XEvent*)&xevent);
 975
 976         if (gs_requestFrameExtentsStatus == 0)
 977         {
 978             // if WM does not respond to request within 1 second,
 979             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 980             m_netFrameExtentsTimerId =
 981                 g_timeout_add(1000, request_frame_extents_timeout, this);
 982         }
 983
 984         // defer calling gtk_widget_show()
 985         m_isShown = true;
 986         return true;
 987     }
 988 #endif // GDK_WINDOWING_X11
 989
 990     if (show && !gtk_widget_get_realized(m_widget))
 991     {
 992         // size_allocate signals occur in reverse order (bottom to top).
 993         // Things work better if the initial wxSizeEvents are sent (from the
 994         // top down), before the initial size_allocate signals occur.
 995         wxSizeEvent event(GetSize(), GetId());
 996         event.SetEventObject(this);
 997         HandleWindowEvent(event);
 998     }
 999
1000     bool change = base_type::Show(show);
1001
1002     if (change && !show)
1003     {
1004         // make sure window has a non-default position, so when it is shown
1005         // again, it won't be repositioned by WM as if it were a new window
1006         // Note that this must be done _after_ the window is hidden.
1007         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
1008     }
1009
1010     return change;
1011 }
1012
1013 void wxTopLevelWindowGTK::ShowWithoutActivating()
1014 {
1015     if (!m_isShown)
1016     {
1017         gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
1018         Show(true);
1019     }
1020 }
1021
1022 void wxTopLevelWindowGTK::Raise()
1023 {
1024     gtk_window_present( GTK_WINDOW( m_widget ) );
1025 }
1026
1027 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
1028 {
1029     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
1030 }
1031
1032 // ----------------------------------------------------------------------------
1033 // window geometry
1034 // ----------------------------------------------------------------------------
1035
1036 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
1037 {
1038     wxSize size(m_width, m_height);
1039     size -= m_decorSize;
1040     if (size.x < 0) size.x = 0;
1041     if (size.y < 0) size.y = 0;
1042 #if wxUSE_LIBHILDON2
1043     if (width) {
1044        if (size.x == 720)
1045                *width = 696;
1046        else
1047                *width = size.x;
1048     }
1049     if (height) {
1050        if (size.y == 420)
1051                *height = 396;
1052        else if (size.y == 270)
1053                *height = 246;
1054             else
1055                *height = size.y;
1056     }
1057 #else // wxUSE_LIBHILDON2
1058     if (width)  *width  = size.x;
1059     if (height) *height = size.y;
1060 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1061 }
1062
1063 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1064 {
1065     wxCHECK_RET( m_widget, wxT("invalid frame") );
1066
1067     // deal with the position first
1068     int old_x = m_x;
1069     int old_y = m_y;
1070
1071     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1072     {
1073         // -1 means "use existing" unless the flag above is specified
1074         if ( x != -1 )
1075             m_x = x;
1076         if ( y != -1 )
1077             m_y = y;
1078     }
1079     else // wxSIZE_ALLOW_MINUS_ONE
1080     {
1081         m_x = x;
1082         m_y = y;
1083     }
1084
1085     if ( m_x != old_x || m_y != old_y )
1086     {
1087         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1088     }
1089
1090     const wxSize oldSize(m_width, m_height);
1091     if (width >= 0)
1092         m_width = width;
1093     if (height >= 0)
1094         m_height = height;
1095     ConstrainSize();
1096     if (m_width < 1) m_width = 1;
1097     if (m_height < 1) m_height = 1;
1098     if (m_width != oldSize.x || m_height != oldSize.y)
1099     {
1100         m_deferShowAllowed = true;
1101         m_useCachedClientSize = false;
1102
1103         int w, h;
1104         GTKDoGetSize(&w, &h);
1105         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1106
1107         DoGetClientSize(&m_clientWidth, &m_clientHeight);
1108         wxSizeEvent event(GetSize(), GetId());
1109         event.SetEventObject(this);
1110         HandleWindowEvent(event);
1111     }
1112 }
1113
1114 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1115 {
1116     base_type::DoSetClientSize(width, height);
1117
1118     // Since client size is being explicitly set, don't change it later
1119     // Has to be done after calling base because it calls SetSize,
1120     // which sets this true
1121     m_deferShowAllowed = false;
1122 }
1123
1124 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1125 {
1126     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1127
1128     if ( IsIconized() )
1129     {
1130         // for consistency with wxMSW, client area is supposed to be empty for
1131         // the iconized windows
1132         if ( width )
1133             *width = 0;
1134         if ( height )
1135             *height = 0;
1136     }
1137     else if (m_useCachedClientSize)
1138         base_type::DoGetClientSize(width, height);
1139     else
1140     {
1141         GTKDoGetSize(width, height);
1142     }
1143 }
1144
1145 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1146                                           int maxW, int maxH,
1147                                           int incW, int incH )
1148 {
1149     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1150     m_incWidth = incW;
1151     m_incHeight = incH;
1152
1153     const wxSize minSize = GetMinSize();
1154     const wxSize maxSize = GetMaxSize();
1155     GdkGeometry hints;
1156     // always set both min and max hints, otherwise GTK will
1157     // make assumptions we don't want about the unset values
1158     int hints_mask = GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE;
1159     hints.min_width = 1;
1160     hints.min_height = 1;
1161     hints.max_width = INT_MAX;
1162     hints.max_height = INT_MAX;
1163     if (minSize.x > m_decorSize.x)
1164         hints.min_width = minSize.x - m_decorSize.x;
1165     if (minSize.y > m_decorSize.y)
1166         hints.min_height = minSize.y - m_decorSize.y;
1167     if (maxSize.x > 0)
1168     {
1169         hints.max_width = maxSize.x - m_decorSize.x;
1170         if (hints.max_width < hints.min_width)
1171             hints.max_width = hints.min_width;
1172     }
1173     if (maxSize.y > 0)
1174     {
1175         hints.max_height = maxSize.y - m_decorSize.y;
1176         if (hints.max_height < hints.min_height)
1177             hints.max_height = hints.min_height;
1178     }
1179     if (incW > 0 || incH > 0)
1180     {
1181         hints_mask |= GDK_HINT_RESIZE_INC;
1182         hints.width_inc  = incW > 0 ? incW : 1;
1183         hints.height_inc = incH > 0 ? incH : 1;
1184     }
1185     gtk_window_set_geometry_hints(
1186         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1187 }
1188
1189 #ifdef GDK_WINDOWING_X11
1190 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1191 {
1192     if (!IsMaximized() && !IsFullScreen())
1193         GetCachedDecorSize() = decorSize;
1194     if (m_updateDecorSize && m_decorSize != decorSize)
1195     {
1196         m_useCachedClientSize = false;
1197         const wxSize diff = decorSize - m_decorSize;
1198         m_decorSize = decorSize;
1199         bool resized = false;
1200         if (m_minWidth > 0 || m_minHeight > 0 || m_maxWidth > 0 || m_maxHeight > 0)
1201         {
1202             // update size hints, they depend on m_decorSize
1203             DoSetSizeHints(m_minWidth, m_minHeight, m_maxWidth, m_maxHeight, m_incWidth, m_incHeight);
1204         }
1205         if (m_deferShow)
1206         {
1207             // keep overall size unchanged by shrinking m_widget
1208             int w, h;
1209             GTKDoGetSize(&w, &h);
1210             // but not if size would be less than minimum, it won't take effect
1211             if (w >= m_minWidth - decorSize.x && h >= m_minHeight - decorSize.y )
1212             {
1213                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1214                 resized = true;
1215             }
1216         }
1217         if (!resized)
1218         {
1219             // adjust overall size to match change in frame extents
1220             m_width  += diff.x;
1221             m_height += diff.y;
1222             if (m_width  < 1) m_width  = 1;
1223             if (m_height < 1) m_height = 1;
1224             m_clientWidth = 0;
1225             gtk_widget_queue_resize(m_wxwindow);
1226         }
1227     }
1228     if (m_deferShow)
1229     {
1230         // gtk_widget_show() was deferred, do it now
1231         m_deferShow = false;
1232         DoGetClientSize(&m_clientWidth, &m_clientHeight);
1233         wxSizeEvent sizeEvent(GetSize(), GetId());
1234         sizeEvent.SetEventObject(this);
1235         HandleWindowEvent(sizeEvent);
1236
1237         gtk_widget_show(m_widget);
1238
1239         wxShowEvent showEvent(GetId(), true);
1240         showEvent.SetEventObject(this);
1241         HandleWindowEvent(showEvent);
1242     }
1243 }
1244 #endif // GDK_WINDOWING_X11
1245
1246 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1247 {
1248     static wxSize size[8];
1249
1250     int index = 0;
1251     // title bar
1252     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1253         index = 1;
1254     // border
1255     if (m_gdkDecor & GDK_DECOR_BORDER)
1256         index |= 2;
1257     // utility window decor can be different
1258     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1259         index |= 4;
1260     return size[index];
1261 }
1262
1263 void wxTopLevelWindowGTK::OnInternalIdle()
1264 {
1265     wxTopLevelWindowBase::OnInternalIdle();
1266
1267     // Synthetize activate events.
1268     if ( g_sendActivateEvent != -1 )
1269     {
1270         bool activate = g_sendActivateEvent != 0;
1271
1272         // if (!activate) wxPrintf( wxT("de") );
1273         // wxPrintf( wxT("activate\n") );
1274
1275         // do it only once
1276         g_sendActivateEvent = -1;
1277
1278         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1279     }
1280 }
1281
1282 // ----------------------------------------------------------------------------
1283 // frame title/icon
1284 // ----------------------------------------------------------------------------
1285
1286 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1287 {
1288     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1289
1290     if ( title == m_title )
1291         return;
1292
1293     m_title = title;
1294
1295     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1296 }
1297
1298 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1299 {
1300     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1301
1302     base_type::SetIcons(icons);
1303
1304     // Setting icons before window is realized can cause a GTK assertion if
1305     // another TLW is realized before this one, and it has this one as it's
1306     // transient parent. The life demo exibits this problem.
1307     if (gtk_widget_get_realized(m_widget))
1308     {
1309         GList* list = NULL;
1310         for (size_t i = icons.GetIconCount(); i--;)
1311             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1312         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1313         g_list_free(list);
1314     }
1315 }
1316
1317 // ----------------------------------------------------------------------------
1318 // frame state: maximized/iconized/normal
1319 // ----------------------------------------------------------------------------
1320
1321 void wxTopLevelWindowGTK::Maximize(bool maximize)
1322 {
1323     if (maximize)
1324         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1325     else
1326         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1327 }
1328
1329 bool wxTopLevelWindowGTK::IsMaximized() const
1330 {
1331     GdkWindow* window = NULL;
1332     if (m_widget)
1333         window = gtk_widget_get_window(m_widget);
1334     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1335 }
1336
1337 void wxTopLevelWindowGTK::Restore()
1338 {
1339     // "Present" seems similar enough to "restore"
1340     gtk_window_present( GTK_WINDOW( m_widget ) );
1341 }
1342
1343 void wxTopLevelWindowGTK::Iconize( bool iconize )
1344 {
1345     if (iconize)
1346         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1347     else
1348         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1349 }
1350
1351 bool wxTopLevelWindowGTK::IsIconized() const
1352 {
1353     return m_isIconized;
1354 }
1355
1356 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1357 {
1358     if ( iconize != m_isIconized )
1359     {
1360         m_isIconized = iconize;
1361         (void)SendIconizeEvent(iconize);
1362     }
1363 }
1364
1365 void wxTopLevelWindowGTK::AddGrab()
1366 {
1367     if (!m_grabbed)
1368     {
1369         m_grabbed = true;
1370         gtk_grab_add( m_widget );
1371         wxGUIEventLoop().Run();
1372         gtk_grab_remove( m_widget );
1373     }
1374 }
1375
1376 void wxTopLevelWindowGTK::RemoveGrab()
1377 {
1378     if (m_grabbed)
1379     {
1380         gtk_main_quit();
1381         m_grabbed = false;
1382     }
1383 }
1384
1385 bool wxTopLevelWindowGTK::IsActive()
1386 {
1387     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1388 }
1389
1390 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1391 {
1392     bool new_hint_value = false;
1393
1394     // FIXME: This is a workaround to focus handling problem
1395     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1396     // hasn't yet been processed, and the internal focus system is not up to date yet.
1397     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1398     // won't have side effects) - MR
1399     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1400
1401     if(m_urgency_hint >= 0)
1402         g_source_remove(m_urgency_hint);
1403
1404     m_urgency_hint = -2;
1405
1406     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1407     {
1408         new_hint_value = true;
1409
1410         if (flags & wxUSER_ATTENTION_INFO)
1411         {
1412             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1413         } else {
1414             m_urgency_hint = -1;
1415         }
1416     }
1417
1418     gtk_window_set_urgency_hint(GTK_WINDOW(m_widget), new_hint_value);
1419 }
1420
1421 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1422 {
1423     // Store which styles were changed
1424     long styleChanges = style ^ m_windowStyle;
1425
1426     // Process wxWindow styles. This also updates the internal variable
1427     // Therefore m_windowStyle bits carry now the _new_ style values
1428     wxWindow::SetWindowStyleFlag(style);
1429
1430     // just return for now if widget does not exist yet
1431     if (!m_widget)
1432         return;
1433
1434     if ( styleChanges & wxSTAY_ON_TOP )
1435     {
1436         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1437                                   m_windowStyle & wxSTAY_ON_TOP);
1438     }
1439
1440     if ( styleChanges & wxFRAME_NO_TASKBAR )
1441     {
1442         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1443                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1444     }
1445 }
1446
1447 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1448 {
1449     GdkWindow* window = NULL;
1450     if (m_widget)
1451         window = gtk_widget_get_window(m_widget);
1452     if (window == NULL)
1453         return false;
1454
1455 #ifdef GDK_WINDOWING_X11
1456     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1457     Window win = GDK_WINDOW_XID(window);
1458
1459     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1460     if (alpha == 0xff)
1461         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1462     else
1463     {
1464         long opacity = alpha * 0x1010101L;
1465         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1466                         XA_CARDINAL, 32, PropModeReplace,
1467                         (unsigned char *) &opacity, 1L);
1468     }
1469     XSync(dpy, False);
1470     return true;
1471 #else // !GDK_WINDOWING_X11
1472     return false;
1473 #endif // GDK_WINDOWING_X11 / !GDK_WINDOWING_X11
1474 }
1475
1476 bool wxTopLevelWindowGTK::CanSetTransparent()
1477 {
1478     // allow to override automatic detection as it's far from perfect
1479     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1480     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1481     {
1482         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1483     }
1484
1485 #ifdef __WXGTK3__
1486     return gtk_widget_is_composited(m_widget) != 0;
1487 #else
1488 #if GTK_CHECK_VERSION(2,10,0)
1489     if (!gtk_check_version(2,10,0))
1490     {
1491         return gtk_widget_is_composited(m_widget) != 0;
1492     }
1493     else
1494 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1495     {
1496         return false;
1497     }
1498 #endif // !__WXGTK3__
1499
1500 #if 0 // Don't be optimistic here for the sake of wxAUI
1501     int opcode, event, error;
1502     // Check for the existence of a RGBA visual instead?
1503     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1504                            "Composite", &opcode, &event, &error);
1505 #endif
1506 }