src/gtk/toplevel.cpp

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