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/gtk/private.h"
  35 #include "wx/evtloop.h"
  36 #include "wx/sysopt.h"
  37
  38 #include <gtk/gtk.h>
  39 #include <gdk/gdkx.h>
  40
  41 #include "wx/gtk/private/win_gtk.h"
  42
  43 #include "wx/unix/utilsx11.h"
  44
  45 // XA_CARDINAL
  46 #include <X11/Xatom.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 //-----------------------------------------------------------------------------
  76 // RequestUserAttention related functions
  77 //-----------------------------------------------------------------------------
  78
  79 extern "C" {
  80 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  81                                            gboolean setting)
  82 {
  83     wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
  84     GdkWindow *window = GTK_WIDGET(win)->window;
  85     XWMHints *wm_hints;
  86
  87     wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
  88
  89     if (!wm_hints)
  90         wm_hints = XAllocWMHints();
  91
  92     if (setting)
  93         wm_hints->flags |= XUrgencyHint;
  94     else
  95         wm_hints->flags &= ~XUrgencyHint;
  96
  97     XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
  98     XFree(wm_hints);
  99 }
 100
 101 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 102 {
 103 #if GTK_CHECK_VERSION(2,7,0)
 104     if(!gtk_check_version(2,7,0))
 105         gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 106     else
 107 #endif
 108         wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 109
 110     win->m_urgency_hint = -2;
 111     return FALSE;
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "focus_in_event"
 117 //-----------------------------------------------------------------------------
 118
 119 extern "C" {
 120 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 121                                          GdkEvent *WXUNUSED(event),
 122                                          wxTopLevelWindowGTK *win )
 123 {
 124     switch ( g_sendActivateEvent )
 125     {
 126         case -1:
 127             // we've got focus from outside, synthetize wxActivateEvent
 128             g_sendActivateEvent = 1;
 129             break;
 130
 131         case 0:
 132             // another our window just lost focus, it was already ours before
 133             // - don't send any wxActivateEvent
 134             g_sendActivateEvent = -1;
 135             break;
 136     }
 137
 138     g_activeFrame = win;
 139     g_lastActiveFrame = g_activeFrame;
 140
 141     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 142
 143     // MR: wxRequestUserAttention related block
 144     switch( win->m_urgency_hint )
 145     {
 146         default:
 147             g_source_remove( win->m_urgency_hint );
 148             // no break, fallthrough to remove hint too
 149         case -1:
 150 #if GTK_CHECK_VERSION(2,7,0)
 151             if(!gtk_check_version(2,7,0))
 152                 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 153             else
 154 #endif
 155             {
 156                 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 157             }
 158
 159             win->m_urgency_hint = -2;
 160             break;
 161
 162         case -2: break;
 163     }
 164
 165     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 166     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 167     event.SetEventObject(g_activeFrame);
 168     g_activeFrame->HandleWindowEvent(event);
 169
 170     return FALSE;
 171 }
 172 }
 173
 174 //-----------------------------------------------------------------------------
 175 // "focus_out_event"
 176 //-----------------------------------------------------------------------------
 177
 178 extern "C" {
 179 static
 180 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 181                                       GdkEventFocus *WXUNUSED(gdk_event),
 182                                       wxTopLevelWindowGTK * WXUNUSED(win))
 183 {
 184     // if the focus goes out of our app alltogether, OnIdle() will send
 185     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 186     // g_sendActivateEvent to -1
 187     g_sendActivateEvent = 0;
 188
 189     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 190
 191     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 192
 193     if (g_activeFrame)
 194     {
 195         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 196         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 197         event.SetEventObject(g_activeFrame);
 198         g_activeFrame->HandleWindowEvent(event);
 199
 200         g_activeFrame = NULL;
 201     }
 202
 203     return FALSE;
 204 }
 205 }
 206
 207 //-----------------------------------------------------------------------------
 208 // "size_allocate" from m_wxwindow
 209 //-----------------------------------------------------------------------------
 210
 211 extern "C" {
 212 static void
 213 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 214 {
 215     if (win->m_oldClientWidth  != alloc->width ||
 216         win->m_oldClientHeight != alloc->height)
 217     {
 218         win->m_oldClientWidth  = alloc->width;
 219         win->m_oldClientHeight = alloc->height;
 220
 221         wxSize size(win->m_widget->allocation.width,
 222                     win->m_widget->allocation.height);
 223         size += win->m_decorSize;
 224         win->m_width  = size.x;
 225         win->m_height = size.y;
 226
 227         if (!win->IsIconized())
 228         {
 229             wxSizeEvent event(size, win->GetId());
 230             event.SetEventObject(win);
 231             win->HandleWindowEvent(event);
 232         }
 233         // else the window is currently unmapped, don't generate size events
 234     }
 235 }
 236 }
 237
 238 // ----------------------------------------------------------------------------
 239 // "size_request"
 240 // ----------------------------------------------------------------------------
 241
 242 extern "C" {
 243 static
 244 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 245                                      GtkRequisition *requisition,
 246                                      wxTopLevelWindowGTK *win)
 247 {
 248     // we must return the size of the window without WM decorations, otherwise
 249     // GTK+ gets confused, so don't call just GetSize() here
 250     win->GTKDoGetSize(&requisition->width, &requisition->height);
 251 }
 252 }
 253
 254 //-----------------------------------------------------------------------------
 255 // "delete_event"
 256 //-----------------------------------------------------------------------------
 257
 258 extern "C" {
 259 static gboolean
 260 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 261                            GdkEvent *WXUNUSED(event),
 262                            wxTopLevelWindowGTK *win )
 263 {
 264     if (win->IsEnabled() &&
 265         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 266          win->IsGrabbed()))
 267         win->Close();
 268
 269     return TRUE;
 270 }
 271 }
 272
 273 //-----------------------------------------------------------------------------
 274 // "configure_event"
 275 //-----------------------------------------------------------------------------
 276
 277 extern "C" {
 278 static gboolean
 279 gtk_frame_configure_callback( GtkWidget* widget,
 280                               GdkEventConfigure *WXUNUSED(event),
 281                               wxTopLevelWindowGTK *win )
 282 {
 283     if (!win->m_hasVMT || !win->IsShown())
 284         return FALSE;
 285
 286     wxPoint point;
 287     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 288
 289     win->m_x = point.x;
 290     win->m_y = point.y;
 291     wxMoveEvent mevent(point, win->GetId());
 292     mevent.SetEventObject( win );
 293     win->HandleWindowEvent( mevent );
 294
 295     return FALSE;
 296 }
 297 }
 298
 299 //-----------------------------------------------------------------------------
 300 // "realize" from m_widget
 301 //-----------------------------------------------------------------------------
 302
 303 // we cannot the WM hints and icons before the widget has been realized,
 304 // so we do this directly after realization
 305
 306 extern "C" {
 307 static void
 308 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 309                              wxTopLevelWindowGTK *win )
 310 {
 311     gdk_window_set_decorations(win->m_widget->window,
 312                                (GdkWMDecoration)win->m_gdkDecor);
 313     gdk_window_set_functions(win->m_widget->window,
 314                                (GdkWMFunction)win->m_gdkFunc);
 315
 316     // GTK's shrinking/growing policy
 317     if ( !(win->m_gdkFunc & GDK_FUNC_RESIZE) )
 318         gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
 319     else
 320         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 321
 322     const wxIconBundle& icons = win->GetIcons();
 323     if (icons.GetIconCount())
 324         win->SetIcons(icons);
 325
 326     if (win->HasFlag(wxFRAME_SHAPED))
 327         win->SetShape(win->m_shape); // it will really set the window shape now
 328 }
 329 }
 330
 331 //-----------------------------------------------------------------------------
 332 // "map_event" from m_widget
 333 //-----------------------------------------------------------------------------
 334
 335 extern "C" {
 336 static gboolean
 337 gtk_frame_map_callback( GtkWidget*,
 338                         GdkEvent * WXUNUSED(event),
 339                         wxTopLevelWindow *win )
 340 {
 341     const bool wasIconized = win->IsIconized();
 342     win->SetIconizeState(false);
 343     if (wasIconized)
 344     {
 345         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 346         // a size event must be generated, just in case GetClientSize() was
 347         // called while iconized. This specifically happens when restoring a
 348         // tlw that was "rolled up" with some WMs.
 349         // Queue a resize rather than sending size event directly to allow
 350         // children to be made visible first.
 351         win->m_oldClientWidth = 0;
 352         gtk_widget_queue_resize(win->m_wxwindow);
 353     }
 354     // it is possible for m_isShown to be false here, see bug #9909
 355     if (win->wxWindowBase::Show(true))
 356     {
 357         wxShowEvent eventShow(win->GetId(), true);
 358         eventShow.SetEventObject(win);
 359         win->GetEventHandler()->ProcessEvent(eventShow);
 360     }
 361     // restore focus-on-map setting in case ShowWithoutActivating() was called
 362     gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 363     return false;
 364 }
 365 }
 366
 367 //-----------------------------------------------------------------------------
 368 // "unmap_event" from m_widget
 369 //-----------------------------------------------------------------------------
 370
 371 extern "C" {
 372 static gboolean
 373 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 374                           GdkEvent * WXUNUSED(event),
 375                           wxTopLevelWindow *win )
 376 {
 377     win->SetIconizeState(true);
 378     return false;
 379 }
 380 }
 381
 382 //-----------------------------------------------------------------------------
 383
 384 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 385 {
 386     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 387     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 388                         gdk_drawable_get_display(window), property);
 389     Atom type;
 390     int format;
 391     gulong nitems, bytes_after;
 392     guchar* data;
 393     Status status = XGetWindowProperty(
 394         gdk_x11_drawable_get_xdisplay(window),
 395         gdk_x11_drawable_get_xid(window),
 396         xproperty,
 397         0, 4, false, XA_CARDINAL,
 398         &type, &format, &nitems, &bytes_after, &data);
 399     const bool success = status == Success && data && nitems == 4;
 400     if (success)
 401     {
 402         long* p = (long*)data;
 403         if (left)   *left   = int(p[0]);
 404         if (right)  *right  = int(p[1]);
 405         if (top)    *top    = int(p[2]);
 406         if (bottom) *bottom = int(p[3]);
 407     }
 408     if (data)
 409         XFree(data);
 410     return success;
 411 }
 412
 413 //-----------------------------------------------------------------------------
 414 // "property_notify_event" from m_widget
 415 //-----------------------------------------------------------------------------
 416
 417 extern "C" {
 418 static gboolean property_notify_event(
 419     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 420 {
 421     // Watch for changes to _NET_FRAME_EXTENTS property
 422     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 423     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 424     {
 425         wxSize decorSize = win->m_decorSize;
 426         int left, right, top, bottom;
 427         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 428             decorSize.Set(left + right, top + bottom);
 429
 430         win->GTKUpdateDecorSize(decorSize);
 431     }
 432     return false;
 433 }
 434 }
 435
 436 // ----------------------------------------------------------------------------
 437 // wxTopLevelWindowGTK creation
 438 // ----------------------------------------------------------------------------
 439
 440 void wxTopLevelWindowGTK::Init()
 441 {
 442     m_mainWidget = NULL;
 443     m_isIconized = false;
 444     m_fsIsShowing = false;
 445     m_themeEnabled = true;
 446     m_gdkDecor =
 447     m_gdkFunc = 0;
 448     m_grabbed = false;
 449     m_deferShow = true;
 450     m_deferShowAllowed = true;
 451     m_updateDecorSize = true;
 452
 453     m_urgency_hint = -2;
 454 }
 455
 456 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 457                                   wxWindowID id,
 458                                   const wxString& title,
 459                                   const wxPoint& pos,
 460                                   const wxSize& sizeOrig,
 461                                   long style,
 462                                   const wxString &name )
 463 {
 464     // always create a frame of some reasonable, even if arbitrary, size (at
 465     // least for MSW compatibility)
 466     wxSize size = sizeOrig;
 467     size.x = WidthDefault(size.x);
 468     size.y = HeightDefault(size.y);
 469
 470     wxTopLevelWindows.Append( this );
 471
 472     if (!PreCreation( parent, pos, size ) ||
 473         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 474     {
 475         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 476         return false;
 477     }
 478
 479     m_title = title;
 480
 481     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 482     //     e.g. in wxTaskBarIconAreaGTK
 483     if (m_widget == NULL)
 484     {
 485 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 486         // we must create HildonWindow and not a normal GtkWindow as the latter
 487         // doesn't look correctly in Maemo environment and it must also be
 488         // registered with the main program object
 489         m_widget = hildon_window_new();
 490         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 491                                   HILDON_WINDOW(m_widget));
 492 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 493         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 494         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 495         {
 496             // Tell WM that this is a dialog window and make it center
 497             // on parent by default (this is what GtkDialog ctor does):
 498             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 499                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 500             gtk_window_set_position(GTK_WINDOW(m_widget),
 501                                     GTK_WIN_POS_CENTER_ON_PARENT);
 502         }
 503         else
 504         {
 505             if (style & wxFRAME_TOOL_WINDOW)
 506             {
 507                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 508                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 509
 510                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 511                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 512                 // For consistency between WMs and with Windows, we
 513                 // should set the NO_TASKBAR flag which will apply
 514                 // the set_skip_taskbar_hint if it is available,
 515                 // ensuring no taskbar entry will appear.
 516                 style |= wxFRAME_NO_TASKBAR;
 517             }
 518         }
 519 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 520
 521         g_object_ref(m_widget);
 522     }
 523
 524     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 525     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 526                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 527                        (style & wxFRAME_FLOAT_ON_PARENT)))
 528     {
 529         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 530                                       GTK_WINDOW(topParent->m_widget) );
 531     }
 532
 533     if (style & wxFRAME_NO_TASKBAR)
 534     {
 535         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 536     }
 537
 538     if (style & wxSTAY_ON_TOP)
 539     {
 540         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 541     }
 542     if (style & wxMAXIMIZE)
 543         gtk_window_maximize(GTK_WINDOW(m_widget));
 544
 545 #if 0
 546     if (!name.empty())
 547         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 548 #endif
 549
 550     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 551     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 552
 553     g_signal_connect (m_widget, "delete_event",
 554                       G_CALLBACK (gtk_frame_delete_callback), this);
 555
 556     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 557     m_mainWidget = gtk_vbox_new(false, 0);
 558     gtk_widget_show( m_mainWidget );
 559     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 560     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 561
 562     // m_wxwindow is the client area
 563     m_wxwindow = wxPizza::New();
 564     gtk_widget_show( m_wxwindow );
 565     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 566
 567     // we donm't allow the frame to get the focus as otherwise
 568     // the frame will grab it at arbitrary focus changes
 569     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 570
 571     if (m_parent) m_parent->AddChild( this );
 572
 573     g_signal_connect(m_wxwindow, "size_allocate",
 574         G_CALLBACK(size_allocate), this);
 575
 576     g_signal_connect (m_widget, "size_request",
 577                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 578     PostCreation();
 579
 580     if ((m_x != -1) || (m_y != -1))
 581         gtk_widget_set_uposition( m_widget, m_x, m_y );
 582
 583     //  we cannot set MWM hints and icons before the widget has
 584     //  been realized, so we do this directly after realization
 585     g_signal_connect (m_widget, "realize",
 586                       G_CALLBACK (gtk_frame_realized_callback), this);
 587
 588     // map and unmap for iconized state
 589     g_signal_connect (m_widget, "map_event",
 590                       G_CALLBACK (gtk_frame_map_callback), this);
 591     g_signal_connect (m_widget, "unmap_event",
 592                       G_CALLBACK (gtk_frame_unmap_callback), this);
 593
 594     // for wxMoveEvent
 595     g_signal_connect (m_widget, "configure_event",
 596                       G_CALLBACK (gtk_frame_configure_callback), this);
 597
 598     // activation
 599     g_signal_connect_after (m_widget, "focus_in_event",
 600                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 601     g_signal_connect_after (m_widget, "focus_out_event",
 602                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 603
 604     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 605     g_signal_connect(m_widget, "property_notify_event",
 606         G_CALLBACK(property_notify_event), this);
 607
 608     // translate wx decorations styles into Motif WM hints (they are recognized
 609     // by other WMs as well)
 610
 611     // always enable moving the window as we have no separate flag for enabling
 612     // it
 613     m_gdkFunc = GDK_FUNC_MOVE;
 614
 615     if ( style & wxCLOSE_BOX )
 616         m_gdkFunc |= GDK_FUNC_CLOSE;
 617
 618     if ( style & wxMINIMIZE_BOX )
 619         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 620
 621     if ( style & wxMAXIMIZE_BOX )
 622         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 623
 624     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 625     {
 626         m_gdkDecor = 0;
 627     }
 628     else // have border
 629     {
 630         m_gdkDecor = GDK_DECOR_BORDER;
 631
 632         if ( style & wxCAPTION )
 633             m_gdkDecor |= GDK_DECOR_TITLE;
 634
 635         if ( style & wxSYSTEM_MENU )
 636             m_gdkDecor |= GDK_DECOR_MENU;
 637
 638         if ( style & wxMINIMIZE_BOX )
 639             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 640
 641         if ( style & wxMAXIMIZE_BOX )
 642             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 643
 644         if ( style & wxRESIZE_BORDER )
 645         {
 646            m_gdkFunc |= GDK_FUNC_RESIZE;
 647            m_gdkDecor |= GDK_DECOR_RESIZEH;
 648         }
 649     }
 650
 651     m_decorSize = GetCachedDecorSize();
 652     int w, h;
 653     GTKDoGetSize(&w, &h);
 654     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 655
 656     return true;
 657 }
 658
 659 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 660 {
 661 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 662     // it can also be a (standard) dialog
 663     if ( HILDON_IS_WINDOW(m_widget) )
 664     {
 665         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 666                                      HILDON_WINDOW(m_widget));
 667     }
 668 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 669
 670     if (m_grabbed)
 671     {
 672         wxFAIL_MSG(wxT("Window still grabbed"));
 673         RemoveGrab();
 674     }
 675
 676     SendDestroyEvent();
 677
 678     // it may also be GtkScrolledWindow in the case of an MDI child
 679     if (GTK_IS_WINDOW(m_widget))
 680     {
 681         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 682     }
 683
 684     if (g_activeFrame == this)
 685         g_activeFrame = NULL;
 686     if (g_lastActiveFrame == this)
 687         g_lastActiveFrame = NULL;
 688 }
 689
 690 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 691 {
 692     if (enable)
 693         m_gdkFunc |= GDK_FUNC_CLOSE;
 694     else
 695         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 696
 697     if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
 698         gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
 699
 700     return true;
 701 }
 702
 703 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 704 {
 705     if (show == m_fsIsShowing)
 706         return false; // return what?
 707
 708     m_fsIsShowing = show;
 709
 710     wxX11FullScreenMethod method =
 711         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 712                                  (WXWindow)GDK_ROOT_WINDOW());
 713
 714     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 715     //     to switch to fullscreen, which is not always available. We must
 716     //     check if WM supports the spec and use legacy methods if it
 717     //     doesn't.
 718     if ( method == wxX11_FS_WMSPEC )
 719     {
 720         if (show)
 721             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 722         else
 723             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 724     }
 725     else
 726     {
 727         GdkWindow *window = m_widget->window;
 728
 729         if (show)
 730         {
 731             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 732             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 733
 734             int screen_width,screen_height;
 735             wxDisplaySize( &screen_width, &screen_height );
 736
 737             gint client_x, client_y, root_x, root_y;
 738             gint width, height;
 739
 740             m_fsSaveGdkFunc = m_gdkFunc;
 741             m_fsSaveGdkDecor = m_gdkDecor;
 742             m_gdkFunc = m_gdkDecor = 0;
 743             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 744             gdk_window_set_functions(window, (GdkWMFunction)0);
 745
 746             gdk_window_get_origin (m_widget->window, &root_x, &root_y);
 747             gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
 748                          &width, &height, NULL);
 749
 750             gdk_window_move_resize (m_widget->window, -client_x, -client_y,
 751                         screen_width + 1, screen_height + 1);
 752
 753             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 754                                     (WXWindow)GDK_ROOT_WINDOW(),
 755                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 756                                     show, &m_fsSaveFrame, method);
 757         }
 758         else // hide
 759         {
 760             m_gdkFunc = m_fsSaveGdkFunc;
 761             m_gdkDecor = m_fsSaveGdkDecor;
 762             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 763             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 764
 765             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 766                                     (WXWindow)GDK_ROOT_WINDOW(),
 767                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 768                                     show, &m_fsSaveFrame, method);
 769
 770             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 771                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 772         }
 773     }
 774
 775     // documented behaviour is to show the window if it's still hidden when
 776     // showing it full screen
 777     if (show)
 778         Show();
 779
 780     return true;
 781 }
 782
 783 // ----------------------------------------------------------------------------
 784 // overridden wxWindow methods
 785 // ----------------------------------------------------------------------------
 786
 787 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 788 {
 789     wxCHECK_RET( m_widget, wxT("invalid frame") );
 790
 791     gtk_widget_queue_draw( m_widget );
 792
 793     if (m_wxwindow && m_wxwindow->window)
 794         gdk_window_invalidate_rect( m_wxwindow->window, NULL, TRUE );
 795 }
 796
 797 bool wxTopLevelWindowGTK::Show( bool show )
 798 {
 799     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 800
 801     bool deferShow = show && !m_isShown && m_deferShow;
 802     if (deferShow)
 803     {
 804         deferShow = m_deferShowAllowed && !GTK_WIDGET_REALIZED(m_widget);
 805         if (deferShow)
 806         {
 807             deferShow = g_signal_handler_find(m_widget,
 808                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 809                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 810                 0, NULL, NULL, this) != 0;
 811         }
 812         GdkScreen* screen = NULL;
 813         if (deferShow)
 814         {
 815             screen = gtk_widget_get_screen(m_widget);
 816             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 817             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 818             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 819             // to m_decorSize, it breaks saving/restoring window size with
 820             // GetSize()/SetSize() because it makes window bigger between each
 821             // restore and save.
 822             m_updateDecorSize = deferShow;
 823         }
 824         if (deferShow)
 825         {
 826             // Fluxbox support for _NET_REQUEST_FRAME_EXTENTS is broken
 827             const char* name = gdk_x11_screen_get_window_manager_name(screen);
 828             deferShow = strcmp(name, "Fluxbox") != 0;
 829             m_updateDecorSize = deferShow;
 830         }
 831
 832         m_deferShow = deferShow;
 833     }
 834     if (deferShow)
 835     {
 836         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 837         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 838         // notification is received, so correct frame extents are known.
 839         // This allows resizing m_widget to keep the overall size in sync with
 840         // what wxWidgets expects it to be without an obvious change in the
 841         // window size immediately after it becomes visible.
 842
 843         // Realize m_widget, so m_widget->window can be used. Realizing normally
 844         // causes the widget tree to be size_allocated, which generates size
 845         // events in the wrong order. However, the size_allocates will not be
 846         // done if the allocation is not the default (1,1).
 847         const int alloc_width = m_widget->allocation.width;
 848         if (alloc_width == 1)
 849             m_widget->allocation.width = 2;
 850         gtk_widget_realize(m_widget);
 851         if (alloc_width == 1)
 852             m_widget->allocation.width = 1;
 853
 854         // send _NET_REQUEST_FRAME_EXTENTS
 855         XClientMessageEvent xevent;
 856         memset(&xevent, 0, sizeof(xevent));
 857         xevent.type = ClientMessage;
 858         xevent.window = gdk_x11_drawable_get_xid(m_widget->window);
 859         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 860             gdk_drawable_get_display(m_widget->window),
 861             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 862         xevent.format = 32;
 863         Display* display = gdk_x11_drawable_get_xdisplay(m_widget->window);
 864         XSendEvent(display, DefaultRootWindow(display), false,
 865             SubstructureNotifyMask | SubstructureRedirectMask,
 866             (XEvent*)&xevent);
 867
 868         // defer calling gtk_widget_show()
 869         m_isShown = true;
 870         return true;
 871     }
 872
 873     if (show && !GTK_WIDGET_REALIZED(m_widget))
 874     {
 875         // size_allocate signals occur in reverse order (bottom to top).
 876         // Things work better if the initial wxSizeEvents are sent (from the
 877         // top down), before the initial size_allocate signals occur.
 878         wxSizeEvent event(GetSize(), GetId());
 879         event.SetEventObject(this);
 880         HandleWindowEvent(event);
 881     }
 882
 883     bool change = wxTopLevelWindowBase::Show(show);
 884
 885     if (change && !show)
 886     {
 887         // make sure window has a non-default position, so when it is shown
 888         // again, it won't be repositioned by WM as if it were a new window
 889         // Note that this must be done _after_ the window is hidden.
 890         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 891     }
 892
 893     return change;
 894 }
 895
 896 void wxTopLevelWindowGTK::ShowWithoutActivating()
 897 {
 898     if (!m_isShown)
 899     {
 900         gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 901         Show(true);
 902     }
 903 }
 904
 905 void wxTopLevelWindowGTK::Raise()
 906 {
 907     gtk_window_present( GTK_WINDOW( m_widget ) );
 908 }
 909
 910 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 911 {
 912     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 913 }
 914
 915 // ----------------------------------------------------------------------------
 916 // window geometry
 917 // ----------------------------------------------------------------------------
 918
 919 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 920 {
 921     wxSize size(m_width, m_height);
 922     size -= m_decorSize;
 923     if (size.x < 0) size.x = 0;
 924     if (size.y < 0) size.y = 0;
 925 #if wxUSE_LIBHILDON2
 926     if (width) {
 927        if (size.x == 720)
 928                *width = 696;
 929        else
 930                *width = size.x;
 931     }
 932     if (height) {
 933        if (size.y == 420)
 934                *height = 396;
 935        else if (size.y == 270)
 936                *height = 246;
 937             else
 938                *height = size.y;
 939     }
 940 #else // wxUSE_LIBHILDON2
 941     if (width)  *width  = size.x;
 942     if (height) *height = size.y;
 943 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
 944 }
 945
 946 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 947 {
 948     wxCHECK_RET( m_widget, wxT("invalid frame") );
 949
 950     m_deferShowAllowed = true;
 951
 952     // deal with the position first
 953     int old_x = m_x;
 954     int old_y = m_y;
 955
 956     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
 957     {
 958         // -1 means "use existing" unless the flag above is specified
 959         if ( x != -1 )
 960             m_x = x;
 961         if ( y != -1 )
 962             m_y = y;
 963     }
 964     else // wxSIZE_ALLOW_MINUS_ONE
 965     {
 966         m_x = x;
 967         m_y = y;
 968     }
 969
 970     if ( m_x != old_x || m_y != old_y )
 971     {
 972         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
 973     }
 974
 975     const wxSize oldSize(m_width, m_height);
 976     if (width >= 0)
 977         m_width = width;
 978     if (height >= 0)
 979         m_height = height;
 980     ConstrainSize();
 981     if (m_width != oldSize.x || m_height != oldSize.y)
 982     {
 983         int w, h;
 984         GTKDoGetSize(&w, &h);
 985         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
 986
 987         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
 988         wxSizeEvent event(GetSize(), GetId());
 989         event.SetEventObject(this);
 990         HandleWindowEvent(event);
 991     }
 992 }
 993
 994 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
 995 {
 996     wxTopLevelWindowBase::DoSetClientSize(width, height);
 997
 998     // Since client size is being explicitly set, don't change it later
 999     // Has to be done after calling base because it calls SetSize,
1000     // which sets this true
1001     m_deferShowAllowed = false;
1002 }
1003
1004 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1005 {
1006     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1007
1008     if ( IsIconized() )
1009     {
1010         // for consistency with wxMSW, client area is supposed to be empty for
1011         // the iconized windows
1012         if ( width )
1013             *width = 0;
1014         if ( height )
1015             *height = 0;
1016     }
1017     else
1018     {
1019         GTKDoGetSize(width, height);
1020     }
1021 }
1022
1023 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1024                                           int maxW, int maxH,
1025                                           int incW, int incH )
1026 {
1027     wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
1028
1029     const wxSize minSize = GetMinSize();
1030     const wxSize maxSize = GetMaxSize();
1031     GdkGeometry hints;
1032     int hints_mask = 0;
1033     if (minSize.x > 0 || minSize.y > 0)
1034     {
1035         hints_mask |= GDK_HINT_MIN_SIZE;
1036         hints.min_width = minSize.x - m_decorSize.x;
1037         if (hints.min_width < 0)
1038             hints.min_width = 0;
1039         hints.min_height = minSize.y - m_decorSize.y;
1040         if (hints.min_height < 0)
1041             hints.min_height = 0;
1042     }
1043     if (maxSize.x > 0 || maxSize.y > 0)
1044     {
1045         hints_mask |= GDK_HINT_MAX_SIZE;
1046         hints.max_width = maxSize.x - m_decorSize.x;
1047         if (hints.max_width < 0)
1048             hints.max_width = INT_MAX;
1049         hints.max_height = maxSize.y - m_decorSize.y;
1050         if (hints.max_height < 0)
1051             hints.max_height = INT_MAX;
1052     }
1053     if (incW > 0 || incH > 0)
1054     {
1055         hints_mask |= GDK_HINT_RESIZE_INC;
1056         hints.width_inc  = incW > 0 ? incW : 1;
1057         hints.height_inc = incH > 0 ? incH : 1;
1058     }
1059     gtk_window_set_geometry_hints(
1060         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1061 }
1062
1063 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1064 {
1065     if (!IsMaximized() && !IsFullScreen())
1066         GetCachedDecorSize() = decorSize;
1067     if (m_updateDecorSize && m_decorSize != decorSize)
1068     {
1069         const wxSize diff = decorSize - m_decorSize;
1070         m_decorSize = decorSize;
1071         bool resized = false;
1072         if (m_deferShow)
1073         {
1074             // keep overall size unchanged by shrinking m_widget
1075             int w, h;
1076             GTKDoGetSize(&w, &h);
1077             // but not if size would be less than minimum, it won't take effect
1078             const wxSize minSize = GetMinSize();
1079             if (w >= minSize.x && h >= minSize.y)
1080             {
1081                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1082                 resized = true;
1083             }
1084         }
1085         if (!resized)
1086         {
1087             // adjust overall size to match change in frame extents
1088             m_width  += diff.x;
1089             m_height += diff.y;
1090             if (m_width  < 0) m_width  = 0;
1091             if (m_height < 0) m_height = 0;
1092             m_oldClientWidth = 0;
1093             gtk_widget_queue_resize(m_wxwindow);
1094         }
1095     }
1096     if (m_deferShow)
1097     {
1098         // gtk_widget_show() was deferred, do it now
1099         m_deferShow = false;
1100         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1101         wxSizeEvent sizeEvent(GetSize(), GetId());
1102         sizeEvent.SetEventObject(this);
1103         HandleWindowEvent(sizeEvent);
1104
1105         gtk_widget_show(m_widget);
1106
1107         wxShowEvent showEvent(GetId(), true);
1108         showEvent.SetEventObject(this);
1109         HandleWindowEvent(showEvent);
1110     }
1111 }
1112
1113 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1114 {
1115     static wxSize size[8];
1116
1117     int index = 0;
1118     // title bar
1119     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1120         index = 1;
1121     // border
1122     if (m_gdkDecor & GDK_DECOR_BORDER)
1123         index |= 2;
1124     // utility window decor can be different
1125     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1126         index |= 4;
1127     return size[index];
1128 }
1129
1130 void wxTopLevelWindowGTK::OnInternalIdle()
1131 {
1132     wxWindow::OnInternalIdle();
1133
1134     // Synthetize activate events.
1135     if ( g_sendActivateEvent != -1 )
1136     {
1137         bool activate = g_sendActivateEvent != 0;
1138
1139         // if (!activate) wxPrintf( wxT("de") );
1140         // wxPrintf( wxT("activate\n") );
1141
1142         // do it only once
1143         g_sendActivateEvent = -1;
1144
1145         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1146     }
1147 }
1148
1149 // ----------------------------------------------------------------------------
1150 // frame title/icon
1151 // ----------------------------------------------------------------------------
1152
1153 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1154 {
1155     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1156
1157     if ( title == m_title )
1158         return;
1159
1160     m_title = title;
1161
1162     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1163 }
1164
1165 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1166 {
1167     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1168
1169     wxTopLevelWindowBase::SetIcons( icons );
1170
1171     // Setting icons before window is realized can cause a GTK assertion if
1172     // another TLW is realized before this one, and it has this one as it's
1173     // transient parent. The life demo exibits this problem.
1174     if (GTK_WIDGET_REALIZED(m_widget))
1175     {
1176         GList* list = NULL;
1177         for (size_t i = icons.GetIconCount(); i--;)
1178             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1179         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1180         g_list_free(list);
1181     }
1182 }
1183
1184 // ----------------------------------------------------------------------------
1185 // frame state: maximized/iconized/normal
1186 // ----------------------------------------------------------------------------
1187
1188 void wxTopLevelWindowGTK::Maximize(bool maximize)
1189 {
1190     if (maximize)
1191         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1192     else
1193         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1194 }
1195
1196 bool wxTopLevelWindowGTK::IsMaximized() const
1197 {
1198     if(!m_widget->window)
1199         return false;
1200
1201     return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1202 }
1203
1204 void wxTopLevelWindowGTK::Restore()
1205 {
1206     // "Present" seems similar enough to "restore"
1207     gtk_window_present( GTK_WINDOW( m_widget ) );
1208 }
1209
1210 void wxTopLevelWindowGTK::Iconize( bool iconize )
1211 {
1212     if (iconize)
1213         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1214     else
1215         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1216 }
1217
1218 bool wxTopLevelWindowGTK::IsIconized() const
1219 {
1220     return m_isIconized;
1221 }
1222
1223 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1224 {
1225     if ( iconize != m_isIconized )
1226     {
1227         m_isIconized = iconize;
1228         (void)SendIconizeEvent(iconize);
1229     }
1230 }
1231
1232 void wxTopLevelWindowGTK::AddGrab()
1233 {
1234     if (!m_grabbed)
1235     {
1236         m_grabbed = true;
1237         gtk_grab_add( m_widget );
1238         wxGUIEventLoop().Run();
1239         gtk_grab_remove( m_widget );
1240     }
1241 }
1242
1243 void wxTopLevelWindowGTK::RemoveGrab()
1244 {
1245     if (m_grabbed)
1246     {
1247         gtk_main_quit();
1248         m_grabbed = false;
1249     }
1250 }
1251
1252
1253 // helper
1254 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1255 {
1256     if (window)
1257     {
1258         if (region.IsEmpty())
1259         {
1260             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1261         }
1262         else
1263         {
1264             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1265             return true;
1266         }
1267     }
1268     return false;
1269 }
1270
1271
1272 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1273 {
1274     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1275                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1276
1277     if ( GTK_WIDGET_REALIZED(m_widget) )
1278     {
1279         if ( m_wxwindow )
1280             do_shape_combine_region(m_wxwindow->window, region);
1281
1282         return do_shape_combine_region(m_widget->window, region);
1283     }
1284     else // not realized yet
1285     {
1286         // store the shape to set, it will be really set once we're realized
1287         m_shape = region;
1288
1289         // we don't know if we're going to succeed or fail, be optimistic by
1290         // default
1291         return true;
1292     }
1293 }
1294
1295 bool wxTopLevelWindowGTK::IsActive()
1296 {
1297     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1298 }
1299
1300 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1301 {
1302     bool new_hint_value = false;
1303
1304     // FIXME: This is a workaround to focus handling problem
1305     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1306     // hasn't yet been processed, and the internal focus system is not up to date yet.
1307     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1308     // won't have side effects) - MR
1309     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1310
1311     if(m_urgency_hint >= 0)
1312         g_source_remove(m_urgency_hint);
1313
1314     m_urgency_hint = -2;
1315
1316     if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1317     {
1318         new_hint_value = true;
1319
1320         if (flags & wxUSER_ATTENTION_INFO)
1321         {
1322             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1323         } else {
1324             m_urgency_hint = -1;
1325         }
1326     }
1327
1328 #if GTK_CHECK_VERSION(2,7,0)
1329     if(!gtk_check_version(2,7,0))
1330         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1331     else
1332 #endif
1333         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1334 }
1335
1336 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1337 {
1338     // Store which styles were changed
1339     long styleChanges = style ^ m_windowStyle;
1340
1341     // Process wxWindow styles. This also updates the internal variable
1342     // Therefore m_windowStyle bits carry now the _new_ style values
1343     wxWindow::SetWindowStyleFlag(style);
1344
1345     // just return for now if widget does not exist yet
1346     if (!m_widget)
1347         return;
1348
1349     if ( styleChanges & wxSTAY_ON_TOP )
1350     {
1351         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1352                                   m_windowStyle & wxSTAY_ON_TOP);
1353     }
1354
1355     if ( styleChanges & wxFRAME_NO_TASKBAR )
1356     {
1357         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1358                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1359     }
1360 }
1361
1362 /* Get the X Window between child and the root window.
1363    This should usually be the WM managed XID */
1364 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1365 {
1366     Window root, parent;
1367     Window* children;
1368     unsigned int nchildren;
1369
1370     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1371     XFree(children);
1372
1373     while (parent != root) {
1374         child = parent;
1375         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1376         XFree(children);
1377     }
1378
1379     return child;
1380 }
1381
1382 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1383 {
1384     if (!m_widget || !m_widget->window)
1385         return false;
1386
1387     Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1388     // We need to get the X Window that has the root window as the immediate parent
1389     // and m_widget->window as a child. This should be the X Window that the WM manages and
1390     // from which the opacity property is checked from.
1391     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1392
1393
1394     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1395     if (alpha == 0xff)
1396         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1397     else
1398     {
1399         long opacity = alpha * 0x1010101L;
1400         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1401                         XA_CARDINAL, 32, PropModeReplace,
1402                         (unsigned char *) &opacity, 1L);
1403     }
1404     XSync(dpy, False);
1405     return true;
1406 }
1407
1408 bool wxTopLevelWindowGTK::CanSetTransparent()
1409 {
1410     // allow to override automatic detection as it's far from perfect
1411     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1412     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1413     {
1414         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1415     }
1416
1417 #if GTK_CHECK_VERSION(2,10,0)
1418     if (!gtk_check_version(2,10,0))
1419     {
1420         return (gtk_widget_is_composited (m_widget));
1421     }
1422     else
1423 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1424     {
1425         return false;
1426     }
1427
1428 #if 0 // Don't be optimistic here for the sake of wxAUI
1429     int opcode, event, error;
1430     // Check for the existence of a RGBA visual instead?
1431     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1432                            "Composite", &opcode, &event, &error);
1433 #endif
1434 }