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/win_gtk.h"
  42
  43 #include "wx/unix/utilsx11.h"
  44
  45 // XA_CARDINAL
  46 #include <X11/Xatom.h>
  47
  48 // ----------------------------------------------------------------------------
  49 // data
  50 // ----------------------------------------------------------------------------
  51
  52 extern int              g_openDialogs;
  53 extern wxWindowGTK     *g_delayedFocus;
  54
  55 // the frame that is currently active (i.e. its child has focus). It is
  56 // used to generate wxActivateEvents
  57 static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
  58 static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
  59
  60 // if we detect that the app has got/lost the focus, we set this variable to
  61 // either TRUE or FALSE and an activate event will be sent during the next
  62 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  63 // send any activate events at all
  64 static int g_sendActivateEvent = -1;
  65
  66 //-----------------------------------------------------------------------------
  67 // RequestUserAttention related functions
  68 //-----------------------------------------------------------------------------
  69
  70 extern "C" {
  71 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  72                                            gboolean setting)
  73 {
  74     wxASSERT_MSG( GTK_WIDGET_REALIZED(win), wxT("wxgtk_window_set_urgency_hint: GdkWindow not realized") );
  75     GdkWindow *window = GTK_WIDGET(win)->window;
  76     XWMHints *wm_hints;
  77
  78     wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
  79
  80     if (!wm_hints)
  81         wm_hints = XAllocWMHints();
  82
  83     if (setting)
  84         wm_hints->flags |= XUrgencyHint;
  85     else
  86         wm_hints->flags &= ~XUrgencyHint;
  87
  88     XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
  89     XFree(wm_hints);
  90 }
  91
  92 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
  93 {
  94 #if GTK_CHECK_VERSION(2,7,0)
  95     if(!gtk_check_version(2,7,0))
  96         gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
  97     else
  98 #endif
  99         wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 100
 101     win->m_urgency_hint = -2;
 102     return FALSE;
 103 }
 104 }
 105
 106 //-----------------------------------------------------------------------------
 107 // "focus_in_event"
 108 //-----------------------------------------------------------------------------
 109
 110 extern "C" {
 111 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 112                                          GdkEvent *WXUNUSED(event),
 113                                          wxTopLevelWindowGTK *win )
 114 {
 115     switch ( g_sendActivateEvent )
 116     {
 117         case -1:
 118             // we've got focus from outside, synthetize wxActivateEvent
 119             g_sendActivateEvent = 1;
 120             break;
 121
 122         case 0:
 123             // another our window just lost focus, it was already ours before
 124             // - don't send any wxActivateEvent
 125             g_sendActivateEvent = -1;
 126             break;
 127     }
 128
 129     g_activeFrame = win;
 130     g_lastActiveFrame = g_activeFrame;
 131
 132     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 133
 134     // MR: wxRequestUserAttention related block
 135     switch( win->m_urgency_hint )
 136     {
 137         default:
 138             g_source_remove( win->m_urgency_hint );
 139             // no break, fallthrough to remove hint too
 140         case -1:
 141 #if GTK_CHECK_VERSION(2,7,0)
 142             if(!gtk_check_version(2,7,0))
 143                 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 144             else
 145 #endif
 146             {
 147                 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 148             }
 149
 150             win->m_urgency_hint = -2;
 151             break;
 152
 153         case -2: break;
 154     }
 155
 156     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 157     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 158     event.SetEventObject(g_activeFrame);
 159     g_activeFrame->GetEventHandler()->ProcessEvent(event);
 160
 161     return FALSE;
 162 }
 163 }
 164
 165 //-----------------------------------------------------------------------------
 166 // "focus_out_event"
 167 //-----------------------------------------------------------------------------
 168
 169 extern "C" {
 170 static
 171 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 172                                       GdkEventFocus *WXUNUSED(gdk_event),
 173                                       wxTopLevelWindowGTK * WXUNUSED(win))
 174 {
 175     // if the focus goes out of our app alltogether, OnIdle() will send
 176     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 177     // g_sendActivateEvent to -1
 178     g_sendActivateEvent = 0;
 179
 180     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 181
 182     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 183
 184     if (g_activeFrame)
 185     {
 186         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 187         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 188         event.SetEventObject(g_activeFrame);
 189         g_activeFrame->GetEventHandler()->ProcessEvent(event);
 190
 191         g_activeFrame = NULL;
 192     }
 193
 194     return FALSE;
 195 }
 196 }
 197
 198 //-----------------------------------------------------------------------------
 199
 200 // Get cached size of WM decorations for given GdkWMDecoration.
 201 static wxSize& GetDecorSize(int decor)
 202 {
 203     // In testing, only the title bar and GDK_DECOR_BORDER made a difference.
 204     // 4 possible combinations of title bar and border
 205     static wxSize size[4];
 206
 207     int index = 0;
 208     // title bar
 209     if (decor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
 210         index = 1;
 211     // border
 212     if (decor & GDK_DECOR_BORDER)
 213         index |= 2;
 214     return size[index];
 215 }
 216
 217 //-----------------------------------------------------------------------------
 218 // "size_allocate" from m_wxwindow
 219 //-----------------------------------------------------------------------------
 220
 221 extern "C" {
 222 static void
 223 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 224 {
 225     if (win->m_oldClientWidth  != alloc->width ||
 226         win->m_oldClientHeight != alloc->height)
 227     {
 228         win->m_oldClientWidth  = alloc->width;
 229         win->m_oldClientHeight = alloc->height;
 230         wxSize sizeDecor;
 231         if (!win->IsFullScreen())
 232             sizeDecor = GetDecorSize(win->m_gdkDecor);
 233         win->m_width  = win->m_widget->allocation.width  + sizeDecor.x;
 234         win->m_height = win->m_widget->allocation.height + sizeDecor.y;
 235         if (!win->IsIconized())
 236         {
 237             wxSizeEvent event(win->GetSize(), win->GetId());
 238             event.SetEventObject(win);
 239             win->GetEventHandler()->ProcessEvent(event);
 240         }
 241         // else the window is currently unmapped, don't generate size events
 242     }
 243 }
 244 }
 245
 246 // ----------------------------------------------------------------------------
 247 // "size_request"
 248 // ----------------------------------------------------------------------------
 249
 250 extern "C" {
 251 static
 252 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 253                                      GtkRequisition *requisition,
 254                                      wxTopLevelWindowGTK *win)
 255 {
 256     // we must return the size of the window without WM decorations, otherwise
 257     // GTK+ gets confused, so don't call just GetSize() here
 258     win->GTKDoGetSize(&requisition->width, &requisition->height);
 259 }
 260 }
 261
 262 //-----------------------------------------------------------------------------
 263 // "delete_event"
 264 //-----------------------------------------------------------------------------
 265
 266 extern "C" {
 267 static gboolean
 268 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 269                            GdkEvent *WXUNUSED(event),
 270                            wxTopLevelWindowGTK *win )
 271 {
 272     if (win->IsEnabled() &&
 273         (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 274          win->IsGrabbed()))
 275         win->Close();
 276
 277     return TRUE;
 278 }
 279 }
 280
 281
 282 //-----------------------------------------------------------------------------
 283 // "configure_event"
 284 //-----------------------------------------------------------------------------
 285
 286 extern "C" {
 287 static gboolean
 288 gtk_frame_configure_callback( GtkWidget* widget,
 289                               GdkEventConfigure *WXUNUSED(event),
 290                               wxTopLevelWindowGTK *win )
 291 {
 292     if (!win->m_hasVMT || !win->IsShown())
 293         return FALSE;
 294
 295     wxPoint point;
 296     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 297
 298     win->m_x = point.x;
 299     win->m_y = point.y;
 300     wxMoveEvent mevent(point, win->GetId());
 301     mevent.SetEventObject( win );
 302     win->GetEventHandler()->ProcessEvent( mevent );
 303
 304     return FALSE;
 305 }
 306 }
 307
 308 //-----------------------------------------------------------------------------
 309 // "realize" from m_widget
 310 //-----------------------------------------------------------------------------
 311
 312 // we cannot MWM hints and icons before the widget has been realized,
 313 // so we do this directly after realization
 314
 315 extern "C" {
 316 static void
 317 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 318                              wxTopLevelWindowGTK *win )
 319 {
 320     // All this is for Motif Window Manager "hints" and is supposed to be
 321     // recognized by other WM as well. Not tested.
 322     gdk_window_set_decorations(win->m_widget->window,
 323                                (GdkWMDecoration)win->m_gdkDecor);
 324     gdk_window_set_functions(win->m_widget->window,
 325                                (GdkWMFunction)win->m_gdkFunc);
 326
 327     // GTK's shrinking/growing policy
 328     if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
 329         gtk_window_set_resizable(GTK_WINDOW(win->m_widget), FALSE);
 330     else
 331         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 332
 333     // reset the icon
 334     wxIconBundle iconsOld = win->GetIcons();
 335     if ( !iconsOld.IsEmpty() )
 336     {
 337         win->SetIcon( wxNullIcon );
 338         win->SetIcons( iconsOld );
 339     }
 340 }
 341 }
 342
 343 //-----------------------------------------------------------------------------
 344 // "map_event" from m_widget
 345 //-----------------------------------------------------------------------------
 346
 347 extern "C" {
 348 static gboolean
 349 gtk_frame_map_callback( GtkWidget* widget,
 350                         GdkEvent * WXUNUSED(event),
 351                         wxTopLevelWindow *win )
 352 {
 353     // Calculate size of WM decorations.
 354     // Done here in case WM does not support the _NET_FRAME_EXTENTS property.
 355     if (win->IsDecorCacheable() && !win->IsFullScreen())
 356     {
 357         GdkRectangle rect;
 358         gdk_window_get_frame_extents(widget->window, &rect);
 359         int w, h;
 360         gdk_drawable_get_size(widget->window, &w, &h);
 361         wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
 362         const wxSize size = wxSize(rect.width - w, rect.height - h);
 363         if (decorSize.x != size.x || decorSize.y != size.y)
 364         {
 365             // Update window size and frame extents cache
 366             win->m_width = rect.width;
 367             win->m_height = rect.height;
 368             decorSize = size;
 369             wxSizeEvent event(win->GetSize(), win->GetId());
 370             event.SetEventObject(win);
 371             win->GetEventHandler()->ProcessEvent(event);
 372         }
 373     }
 374
 375     win->SetIconizeState(false);
 376     return false;
 377 }
 378 }
 379
 380 //-----------------------------------------------------------------------------
 381 // "unmap_event" from m_widget
 382 //-----------------------------------------------------------------------------
 383
 384 extern "C" {
 385 static gboolean
 386 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 387                           GdkEvent * WXUNUSED(event),
 388                           wxTopLevelWindow *win )
 389 {
 390     win->SetIconizeState(true);
 391     return false;
 392 }
 393 }
 394
 395 //-----------------------------------------------------------------------------
 396 // "property_notify_event" from m_widget
 397 //-----------------------------------------------------------------------------
 398
 399 extern "C" {
 400 static gboolean property_notify_event(
 401     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 402 {
 403     // Watch for changes to _NET_FRAME_EXTENTS property
 404     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 405     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property &&
 406         win->IsDecorCacheable() && !win->IsFullScreen())
 407     {
 408         Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 409                             gdk_drawable_get_display(event->window), property);
 410         Atom type;
 411         int format;
 412         gulong nitems, bytes_after;
 413         long* data = NULL;
 414         Status status = XGetWindowProperty(
 415             gdk_x11_drawable_get_xdisplay(event->window),
 416             gdk_x11_drawable_get_xid(event->window),
 417             xproperty,
 418             0, 4, false, XA_CARDINAL,
 419             &type, &format, &nitems, &bytes_after, (guchar**)&data);
 420         if (status == Success && data && nitems == 4)
 421         {
 422             wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
 423             const wxSize size =
 424                 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
 425             if (decorSize.x != size.x || decorSize.y != size.y)
 426             {
 427                 // Update window size and frame extents cache
 428                 win->m_width  += size.x - decorSize.x;
 429                 win->m_height += size.y - decorSize.y;
 430                 if (win->m_width  < 0) win->m_width  = 0;
 431                 if (win->m_height < 0) win->m_height = 0;
 432                 decorSize = size;
 433                 wxSizeEvent event(win->GetSize(), win->GetId());
 434                 event.SetEventObject(win);
 435                 win->GetEventHandler()->ProcessEvent(event);
 436             }
 437         }
 438         if (data)
 439             XFree(data);
 440     }
 441     return false;
 442 }
 443 }
 444
 445 BEGIN_EVENT_TABLE(wxTopLevelWindowGTK, wxTopLevelWindowBase)
 446     EVT_SYS_COLOUR_CHANGED(wxTopLevelWindowGTK::OnSysColourChanged)
 447 END_EVENT_TABLE()
 448
 449
 450 // ----------------------------------------------------------------------------
 451 // wxTopLevelWindowGTK creation
 452 // ----------------------------------------------------------------------------
 453
 454 void wxTopLevelWindowGTK::Init()
 455 {
 456     m_mainWidget = (GtkWidget*) NULL;
 457     m_isIconized = false;
 458     m_fsIsShowing = false;
 459     m_themeEnabled = true;
 460     m_gdkDecor = m_gdkFunc = 0;
 461     m_grabbed = false;
 462
 463     m_urgency_hint = -2;
 464 }
 465
 466 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 467                                   wxWindowID id,
 468                                   const wxString& title,
 469                                   const wxPoint& pos,
 470                                   const wxSize& sizeOrig,
 471                                   long style,
 472                                   const wxString &name )
 473 {
 474     // always create a frame of some reasonable, even if arbitrary, size (at
 475     // least for MSW compatibility)
 476     wxSize size = sizeOrig;
 477     size.x = WidthDefault(size.x);
 478     size.y = HeightDefault(size.y);
 479
 480     wxTopLevelWindows.Append( this );
 481
 482     if (!PreCreation( parent, pos, size ) ||
 483         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 484     {
 485         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 486         return false;
 487     }
 488
 489     m_title = title;
 490
 491     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 492     //     e.g. in wxTaskBarIconAreaGTK
 493     if (m_widget == NULL)
 494     {
 495         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 496         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 497         {
 498             // Tell WM that this is a dialog window and make it center
 499             // on parent by default (this is what GtkDialog ctor does):
 500             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 501                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 502             gtk_window_set_position(GTK_WINDOW(m_widget),
 503                                     GTK_WIN_POS_CENTER_ON_PARENT);
 504         }
 505         else
 506         {
 507             if (style & wxFRAME_TOOL_WINDOW)
 508             {
 509                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 510                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 511
 512                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 513                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 514                 // For consistency between WMs and with Windows, we
 515                 // should set the NO_TASKBAR flag which will apply
 516                 // the set_skip_taskbar_hint if it is available,
 517                 // ensuring no taskbar entry will appear.
 518                 style |= wxFRAME_NO_TASKBAR;
 519             }
 520         }
 521     }
 522
 523     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 524     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 525                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 526                        (style & wxFRAME_FLOAT_ON_PARENT)))
 527     {
 528         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 529                                       GTK_WINDOW(topParent->m_widget) );
 530     }
 531
 532     if (style & wxFRAME_NO_TASKBAR)
 533     {
 534         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 535     }
 536
 537     if (style & wxSTAY_ON_TOP)
 538     {
 539         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 540     }
 541
 542 #if 0
 543     if (!name.empty())
 544         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 545 #endif
 546
 547     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 548     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 549
 550     g_signal_connect (m_widget, "delete_event",
 551                       G_CALLBACK (gtk_frame_delete_callback), this);
 552
 553     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 554     m_mainWidget = gtk_vbox_new(false, 0);
 555     gtk_widget_show( m_mainWidget );
 556     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 557     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 558
 559     // m_wxwindow is the client area
 560     m_wxwindow = wxPizza::New();
 561     gtk_widget_show( m_wxwindow );
 562     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 563
 564     // we donm't allow the frame to get the focus as otherwise
 565     // the frame will grab it at arbitrary focus changes
 566     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 567
 568     if (m_parent) m_parent->AddChild( this );
 569
 570     g_signal_connect(m_wxwindow, "size_allocate",
 571         G_CALLBACK(size_allocate), this);
 572
 573     g_signal_connect (m_widget, "size_request",
 574                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 575     PostCreation();
 576
 577     if ((m_x != -1) || (m_y != -1))
 578         gtk_widget_set_uposition( m_widget, m_x, m_y );
 579
 580     //  we cannot set MWM hints and icons before the widget has
 581     //  been realized, so we do this directly after realization
 582     g_signal_connect (m_widget, "realize",
 583                       G_CALLBACK (gtk_frame_realized_callback), this);
 584
 585     // map and unmap for iconized state
 586     g_signal_connect (m_widget, "map_event",
 587                       G_CALLBACK (gtk_frame_map_callback), this);
 588     g_signal_connect (m_widget, "unmap_event",
 589                       G_CALLBACK (gtk_frame_unmap_callback), this);
 590
 591     // for wxMoveEvent
 592     g_signal_connect (m_widget, "configure_event",
 593                       G_CALLBACK (gtk_frame_configure_callback), this);
 594
 595     // activation
 596     g_signal_connect_after (m_widget, "focus_in_event",
 597                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 598     g_signal_connect_after (m_widget, "focus_out_event",
 599                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 600
 601     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 602     g_signal_connect(m_widget, "property_notify_event",
 603         G_CALLBACK(property_notify_event), this);
 604
 605     // decorations
 606     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 607     {
 608         m_gdkDecor = 0;
 609         m_gdkFunc = 0;
 610     }
 611     else
 612     {
 613         m_gdkDecor = GDK_DECOR_BORDER;
 614         m_gdkFunc = GDK_FUNC_MOVE;
 615
 616         // All this is for Motif Window Manager "hints" and is supposed to be
 617         // recognized by other WMs as well.
 618         if ((style & wxCAPTION) != 0)
 619         {
 620             m_gdkDecor |= GDK_DECOR_TITLE;
 621         }
 622         if ((style & wxCLOSE_BOX) != 0)
 623         {
 624             m_gdkFunc |= GDK_FUNC_CLOSE;
 625         }
 626         if ((style & wxSYSTEM_MENU) != 0)
 627         {
 628             m_gdkDecor |= GDK_DECOR_MENU;
 629         }
 630         if ((style & wxMINIMIZE_BOX) != 0)
 631         {
 632             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 633             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 634         }
 635         if ((style & wxMAXIMIZE_BOX) != 0)
 636         {
 637             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 638             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 639         }
 640         if ((style & wxRESIZE_BORDER) != 0)
 641         {
 642            m_gdkFunc |= GDK_FUNC_RESIZE;
 643            m_gdkDecor |= GDK_DECOR_RESIZEH;
 644         }
 645     }
 646
 647     // m_gdkDecor needs to be set before calling GTKDoGetSize
 648     int w, h;
 649     GTKDoGetSize(&w, &h);
 650     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 651
 652     return true;
 653 }
 654
 655 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 656 {
 657     if (m_grabbed)
 658     {
 659         wxFAIL_MSG(_T("Window still grabbed"));
 660         RemoveGrab();
 661     }
 662
 663     m_isBeingDeleted = true;
 664
 665     // it may also be GtkScrolledWindow in the case of an MDI child
 666     if (GTK_IS_WINDOW(m_widget))
 667     {
 668         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 669     }
 670
 671     if (g_activeFrame == this)
 672         g_activeFrame = NULL;
 673     if (g_lastActiveFrame == this)
 674         g_lastActiveFrame = NULL;
 675 }
 676
 677 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 678 {
 679     if (enable)
 680         m_gdkFunc |= GDK_FUNC_CLOSE;
 681     else
 682         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 683
 684     if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
 685         gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
 686
 687     return true;
 688 }
 689
 690 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 691 {
 692     if (show == m_fsIsShowing)
 693         return false; // return what?
 694
 695     m_fsIsShowing = show;
 696
 697     wxX11FullScreenMethod method =
 698         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 699                                  (WXWindow)GDK_ROOT_WINDOW());
 700
 701     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 702     //     to switch to fullscreen, which is not always available. We must
 703     //     check if WM supports the spec and use legacy methods if it
 704     //     doesn't.
 705     if ( method == wxX11_FS_WMSPEC )
 706     {
 707         if (show)
 708             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 709         else
 710             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 711     }
 712     else
 713     {
 714         GdkWindow *window = m_widget->window;
 715
 716         if (show)
 717         {
 718             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 719             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 720
 721             int screen_width,screen_height;
 722             wxDisplaySize( &screen_width, &screen_height );
 723
 724             gint client_x, client_y, root_x, root_y;
 725             gint width, height;
 726
 727             m_fsSaveGdkFunc = m_gdkFunc;
 728             m_fsSaveGdkDecor = m_gdkDecor;
 729             m_gdkFunc = m_gdkDecor = 0;
 730             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 731             gdk_window_set_functions(window, (GdkWMFunction)0);
 732
 733             gdk_window_get_origin (m_widget->window, &root_x, &root_y);
 734             gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
 735                          &width, &height, NULL);
 736
 737             gdk_window_move_resize (m_widget->window, -client_x, -client_y,
 738                         screen_width + 1, screen_height + 1);
 739
 740             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 741                                     (WXWindow)GDK_ROOT_WINDOW(),
 742                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 743                                     show, &m_fsSaveFrame, method);
 744         }
 745         else // hide
 746         {
 747             m_gdkFunc = m_fsSaveGdkFunc;
 748             m_gdkDecor = m_fsSaveGdkDecor;
 749             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 750             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 751
 752             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 753                                     (WXWindow)GDK_ROOT_WINDOW(),
 754                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 755                                     show, &m_fsSaveFrame, method);
 756
 757             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 758                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 759         }
 760     }
 761
 762     // documented behaviour is to show the window if it's still hidden when
 763     // showing it full screen
 764     if (show)
 765         Show();
 766
 767     return true;
 768 }
 769
 770 // ----------------------------------------------------------------------------
 771 // overridden wxWindow methods
 772 // ----------------------------------------------------------------------------
 773
 774 bool wxTopLevelWindowGTK::Show( bool show )
 775 {
 776     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 777
 778     if (show && !IsShown())
 779     {
 780         // size_allocate signals occur in reverse order (bottom to top).
 781         // Things work better if the initial wxSizeEvents are sent (from the
 782         // top down), before the initial size_allocate signals occur.
 783         wxSizeEvent event(GetSize(), GetId());
 784         event.SetEventObject(this);
 785         GetEventHandler()->ProcessEvent(event);
 786     }
 787
 788     bool change = wxTopLevelWindowBase::Show(show);
 789
 790     if (change && !show)
 791     {
 792         // make sure window has a non-default position, so when it is shown
 793         // again, it won't be repositioned by WM as if it were a new window
 794         // Note that this must be done _after_ the window is hidden.
 795         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 796     }
 797
 798     return change;
 799 }
 800
 801 void wxTopLevelWindowGTK::Raise()
 802 {
 803     gtk_window_present( GTK_WINDOW( m_widget ) );
 804 }
 805
 806 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 807 {
 808     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 809 }
 810
 811 // ----------------------------------------------------------------------------
 812 // window geometry
 813 // ----------------------------------------------------------------------------
 814
 815 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 816 {
 817     wxSize size(m_width, m_height);
 818     if (!IsFullScreen())
 819     {
 820         size -= GetDecorSize(m_gdkDecor);
 821         if (size.x < 0) size.x = 0;
 822         if (size.y < 0) size.y = 0;
 823     }
 824     if (width)  *width  = size.x;
 825     if (height) *height = size.y;
 826 }
 827
 828 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 829 {
 830     wxCHECK_RET( m_widget, wxT("invalid frame") );
 831
 832     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
 833     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 834
 835
 836     // deal with the position first
 837     int old_x = m_x;
 838     int old_y = m_y;
 839
 840     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
 841     {
 842         // -1 means "use existing" unless the flag above is specified
 843         if ( x != -1 )
 844             m_x = x;
 845         if ( y != -1 )
 846             m_y = y;
 847     }
 848     else // wxSIZE_ALLOW_MINUS_ONE
 849     {
 850         m_x = x;
 851         m_y = y;
 852     }
 853
 854     if ( m_x != old_x || m_y != old_y )
 855     {
 856         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
 857     }
 858
 859     const wxSize oldSize(m_width, m_height);
 860     if (width >= 0)
 861         m_width = width;
 862     if (height >= 0)
 863         m_height = height;
 864     ConstrainSize();
 865     if (m_width != oldSize.x || m_height != oldSize.y)
 866     {
 867         int w, h;
 868         GTKDoGetSize(&w, &h);
 869         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
 870
 871         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
 872         wxSizeEvent event(GetSize(), GetId());
 873         event.SetEventObject(this);
 874         GetEventHandler()->ProcessEvent(event);
 875     }
 876 }
 877
 878 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 879 {
 880     wxASSERT_MSG(m_widget, wxT("invalid frame"));
 881
 882     if ( IsIconized() )
 883     {
 884         // for consistency with wxMSW, client area is supposed to be empty for
 885         // the iconized windows
 886         if ( width )
 887             *width = 0;
 888         if ( height )
 889             *height = 0;
 890     }
 891     else
 892     {
 893         GTKDoGetSize(width, height);
 894     }
 895 }
 896
 897 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
 898                                           int maxW, int maxH,
 899                                           int incW, int incH )
 900 {
 901     wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
 902
 903     const wxSize minSize = GetMinSize();
 904     const wxSize maxSize = GetMaxSize();
 905     GdkGeometry hints;
 906     int hints_mask = 0;
 907     const wxSize sizeDecor = GetDecorSize(m_gdkDecor);
 908     if (minSize.x > 0 || minSize.y > 0)
 909     {
 910         hints_mask |= GDK_HINT_MIN_SIZE;
 911         hints.min_width = minSize.x - sizeDecor.x;
 912         if (hints.min_width < 0)
 913             hints.min_width = 0;
 914         hints.min_height = minSize.y - sizeDecor.y;
 915         if (hints.min_height < 0)
 916             hints.min_height = 0;
 917     }
 918     if (maxSize.x > 0 || maxSize.y > 0)
 919     {
 920         hints_mask |= GDK_HINT_MAX_SIZE;
 921         hints.max_width = maxSize.x - sizeDecor.x;
 922         if (hints.max_width < 0)
 923             hints.max_width = INT_MAX;
 924         hints.max_height = maxSize.y - sizeDecor.y;
 925         if (hints.max_height < 0)
 926             hints.max_height = INT_MAX;
 927     }
 928     if (incW > 0 || incH > 0)
 929     {
 930         hints_mask |= GDK_HINT_RESIZE_INC;
 931         hints.width_inc  = incW > 0 ? incW : 1;
 932         hints.height_inc = incH > 0 ? incH : 1;
 933     }
 934     gtk_window_set_geometry_hints(
 935         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 936 }
 937
 938 bool wxTopLevelWindowGTK::IsDecorCacheable() const
 939 {
 940     return true;
 941 }
 942
 943 void wxTopLevelWindowGTK::OnInternalIdle()
 944 {
 945     // set the focus if not done yet and if we can already do it
 946     if ( GTK_WIDGET_REALIZED(m_wxwindow) )
 947     {
 948         if ( g_delayedFocus &&
 949              wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
 950         {
 951             wxLogTrace(_T("focus"),
 952                        _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
 953                        g_delayedFocus->GetClassInfo()->GetClassName(),
 954                        g_delayedFocus->GetLabel().c_str());
 955
 956             g_delayedFocus->SetFocus();
 957             g_delayedFocus = NULL;
 958         }
 959     }
 960
 961     wxWindow::OnInternalIdle();
 962
 963     // Synthetize activate events.
 964     if ( g_sendActivateEvent != -1 )
 965     {
 966         bool activate = g_sendActivateEvent != 0;
 967
 968         // if (!activate) wxPrintf( wxT("de") );
 969         // wxPrintf( wxT("activate\n") );
 970
 971         // do it only once
 972         g_sendActivateEvent = -1;
 973
 974         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
 975     }
 976 }
 977
 978 // ----------------------------------------------------------------------------
 979 // frame title/icon
 980 // ----------------------------------------------------------------------------
 981
 982 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
 983 {
 984     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 985
 986     if ( title == m_title )
 987         return;
 988
 989     m_title = title;
 990
 991     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 992 }
 993
 994 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
 995 {
 996     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 997
 998     wxTopLevelWindowBase::SetIcons( icons );
 999
1000     GList *list = NULL;
1001
1002     const size_t numIcons = icons.GetIconCount();
1003     for ( size_t i = 0; i < numIcons; i++ )
1004     {
1005         list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1006     }
1007
1008     gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1009     g_list_free(list);
1010 }
1011
1012 // ----------------------------------------------------------------------------
1013 // frame state: maximized/iconized/normal
1014 // ----------------------------------------------------------------------------
1015
1016 void wxTopLevelWindowGTK::Maximize(bool maximize)
1017 {
1018     if (maximize)
1019         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1020     else
1021         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1022 }
1023
1024 bool wxTopLevelWindowGTK::IsMaximized() const
1025 {
1026     if(!m_widget->window)
1027         return false;
1028
1029     return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1030 }
1031
1032 void wxTopLevelWindowGTK::Restore()
1033 {
1034     // "Present" seems similar enough to "restore"
1035     gtk_window_present( GTK_WINDOW( m_widget ) );
1036 }
1037
1038 void wxTopLevelWindowGTK::Iconize( bool iconize )
1039 {
1040     if (iconize)
1041         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1042     else
1043         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1044 }
1045
1046 bool wxTopLevelWindowGTK::IsIconized() const
1047 {
1048     return m_isIconized;
1049 }
1050
1051 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1052 {
1053     if ( iconize != m_isIconized )
1054     {
1055         m_isIconized = iconize;
1056         (void)SendIconizeEvent(iconize);
1057     }
1058 }
1059
1060 void wxTopLevelWindowGTK::AddGrab()
1061 {
1062     if (!m_grabbed)
1063     {
1064         m_grabbed = true;
1065         gtk_grab_add( m_widget );
1066         wxGUIEventLoop().Run();
1067         gtk_grab_remove( m_widget );
1068     }
1069 }
1070
1071 void wxTopLevelWindowGTK::RemoveGrab()
1072 {
1073     if (m_grabbed)
1074     {
1075         gtk_main_quit();
1076         m_grabbed = false;
1077     }
1078 }
1079
1080
1081 // helper
1082 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1083 {
1084     if (window)
1085     {
1086         if (region.IsEmpty())
1087         {
1088             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1089         }
1090         else
1091         {
1092             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1093             return true;
1094         }
1095     }
1096     return false;
1097 }
1098
1099
1100 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1101 {
1102     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1103                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1104
1105     GdkWindow *window = NULL;
1106     if (m_wxwindow)
1107     {
1108         do_shape_combine_region(m_wxwindow->window, region);
1109     }
1110     window = m_widget->window;
1111     return do_shape_combine_region(window, region);
1112 }
1113
1114 bool wxTopLevelWindowGTK::IsActive()
1115 {
1116     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1117 }
1118
1119 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1120 {
1121     bool new_hint_value = false;
1122
1123     // FIXME: This is a workaround to focus handling problem
1124     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
1125     // yet been processed, and the internal focus system is not up to date yet.
1126     // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
1127     ::wxYieldIfNeeded();
1128
1129     if(m_urgency_hint >= 0)
1130         g_source_remove(m_urgency_hint);
1131
1132     m_urgency_hint = -2;
1133
1134     if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1135     {
1136         new_hint_value = true;
1137
1138         if (flags & wxUSER_ATTENTION_INFO)
1139         {
1140             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1141         } else {
1142             m_urgency_hint = -1;
1143         }
1144     }
1145
1146 #if GTK_CHECK_VERSION(2,7,0)
1147     if(!gtk_check_version(2,7,0))
1148         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1149     else
1150 #endif
1151         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1152 }
1153
1154 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1155 {
1156     // Store which styles were changed
1157     long styleChanges = style ^ m_windowStyle;
1158
1159     // Process wxWindow styles. This also updates the internal variable
1160     // Therefore m_windowStyle bits carry now the _new_ style values
1161     wxWindow::SetWindowStyleFlag(style);
1162
1163     // just return for now if widget does not exist yet
1164     if (!m_widget)
1165         return;
1166
1167     if ( styleChanges & wxSTAY_ON_TOP )
1168     {
1169         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1170                                   m_windowStyle & wxSTAY_ON_TOP);
1171     }
1172
1173     if ( styleChanges & wxFRAME_NO_TASKBAR )
1174     {
1175         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1176                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1177     }
1178 }
1179
1180 /* Get the X Window between child and the root window.
1181    This should usually be the WM managed XID */
1182 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1183 {
1184     Window root, parent;
1185     Window* children;
1186     unsigned int nchildren;
1187
1188     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1189     XFree(children);
1190
1191     while (parent != root) {
1192         child = parent;
1193         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1194         XFree(children);
1195     }
1196
1197     return child;
1198 }
1199
1200 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1201 {
1202     if (!m_widget || !m_widget->window)
1203         return false;
1204
1205     Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1206     // We need to get the X Window that has the root window as the immediate parent
1207     // and m_widget->window as a child. This should be the X Window that the WM manages and
1208     // from which the opacity property is checked from.
1209     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1210
1211
1212     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1213     if (alpha == 0xff)
1214         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1215     else
1216     {
1217         long opacity = alpha * 0x1010101L;
1218         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1219                         XA_CARDINAL, 32, PropModeReplace,
1220                         (unsigned char *) &opacity, 1L);
1221     }
1222     XSync(dpy, False);
1223     return true;
1224 }
1225
1226 bool wxTopLevelWindowGTK::CanSetTransparent()
1227 {
1228     // allow to override automatic detection as it's far from perfect
1229     static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
1230     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1231     {
1232         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1233     }
1234
1235 #if GTK_CHECK_VERSION(2,10,0)
1236     if (!gtk_check_version(2,10,0))
1237     {
1238         return (gtk_widget_is_composited (m_widget));
1239     }
1240     else
1241 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1242     {
1243         return false;
1244     }
1245
1246 #if 0 // Don't be optimistic here for the sake of wxAUI
1247     int opcode, event, error;
1248     // Check for the existence of a RGBA visual instead?
1249     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1250                            "Composite", &opcode, &event, &error);
1251 #endif
1252 }
1253
1254 void wxTopLevelWindowGTK::OnSysColourChanged(wxSysColourChangedEvent& event)
1255 {
1256     // We don't know the order in which top-level windows will
1257     // be notified, so we need to clear the system objects
1258     // for each top-level window.
1259     extern void wxClearGtkSystemObjects();
1260     wxClearGtkSystemObjects();
1261
1262     // wxWindowBase::OnSysColourChanged will propagate event
1263     // to children
1264     event.Skip();
1265 }