src/gtk/toplevel.cpp

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