src/gtk/toplevel.cpp

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