src/gtk/toplevel.cpp

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