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         }
 370     }
 371
 372     win->SetIconizeState(false);
 373
 374     // Because GetClientSize() returns (0,0) when IsIconized() is true,
 375     // a size event must be sent here, just in case GetClientSize() was
 376     // called while iconized.
 377     // This specifically happens when restoring a tlw that was "rolled up"
 378     // with some WMs.
 379     wxSizeEvent event(win->GetSize(), win->GetId());
 380     event.SetEventObject(win);
 381     win->GetEventHandler()->ProcessEvent(event);
 382
 383     return false;
 384 }
 385 }
 386
 387 //-----------------------------------------------------------------------------
 388 // "unmap_event" from m_widget
 389 //-----------------------------------------------------------------------------
 390
 391 extern "C" {
 392 static gboolean
 393 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 394                           GdkEvent * WXUNUSED(event),
 395                           wxTopLevelWindow *win )
 396 {
 397     win->SetIconizeState(true);
 398     return false;
 399 }
 400 }
 401
 402 //-----------------------------------------------------------------------------
 403 // "property_notify_event" from m_widget
 404 //-----------------------------------------------------------------------------
 405
 406 extern "C" {
 407 static gboolean property_notify_event(
 408     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 409 {
 410     // Watch for changes to _NET_FRAME_EXTENTS property
 411     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 412     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property &&
 413         win->IsDecorCacheable() && !win->IsFullScreen())
 414     {
 415         Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 416                             gdk_drawable_get_display(event->window), property);
 417         Atom type;
 418         int format;
 419         gulong nitems, bytes_after;
 420         long* data = NULL;
 421         Status status = XGetWindowProperty(
 422             gdk_x11_drawable_get_xdisplay(event->window),
 423             gdk_x11_drawable_get_xid(event->window),
 424             xproperty,
 425             0, 4, false, XA_CARDINAL,
 426             &type, &format, &nitems, &bytes_after, (guchar**)&data);
 427         if (status == Success && data && nitems == 4)
 428         {
 429             wxSize& decorSize = GetDecorSize(win->m_gdkDecor);
 430             const wxSize size =
 431                 wxSize(int(data[0] + data[1]), int(data[2] + data[3]));
 432             if (decorSize.x != size.x || decorSize.y != size.y)
 433             {
 434                 // Update window size and frame extents cache
 435                 win->m_width  += size.x - decorSize.x;
 436                 win->m_height += size.y - decorSize.y;
 437                 if (win->m_width  < 0) win->m_width  = 0;
 438                 if (win->m_height < 0) win->m_height = 0;
 439                 decorSize = size;
 440                 wxSizeEvent event(win->GetSize(), win->GetId());
 441                 event.SetEventObject(win);
 442                 win->GetEventHandler()->ProcessEvent(event);
 443             }
 444         }
 445         if (data)
 446             XFree(data);
 447     }
 448     return false;
 449 }
 450 }
 451
 452 BEGIN_EVENT_TABLE(wxTopLevelWindowGTK, wxTopLevelWindowBase)
 453     EVT_SYS_COLOUR_CHANGED(wxTopLevelWindowGTK::OnSysColourChanged)
 454 END_EVENT_TABLE()
 455
 456
 457 // ----------------------------------------------------------------------------
 458 // wxTopLevelWindowGTK creation
 459 // ----------------------------------------------------------------------------
 460
 461 void wxTopLevelWindowGTK::Init()
 462 {
 463     m_mainWidget = (GtkWidget*) NULL;
 464     m_isIconized = false;
 465     m_fsIsShowing = false;
 466     m_themeEnabled = true;
 467     m_gdkDecor = m_gdkFunc = 0;
 468     m_grabbed = false;
 469
 470     m_urgency_hint = -2;
 471 }
 472
 473 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 474                                   wxWindowID id,
 475                                   const wxString& title,
 476                                   const wxPoint& pos,
 477                                   const wxSize& sizeOrig,
 478                                   long style,
 479                                   const wxString &name )
 480 {
 481     // always create a frame of some reasonable, even if arbitrary, size (at
 482     // least for MSW compatibility)
 483     wxSize size = sizeOrig;
 484     size.x = WidthDefault(size.x);
 485     size.y = HeightDefault(size.y);
 486
 487     wxTopLevelWindows.Append( this );
 488
 489     if (!PreCreation( parent, pos, size ) ||
 490         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 491     {
 492         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 493         return false;
 494     }
 495
 496     m_title = title;
 497
 498     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 499     //     e.g. in wxTaskBarIconAreaGTK
 500     if (m_widget == NULL)
 501     {
 502         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 503         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 504         {
 505             // Tell WM that this is a dialog window and make it center
 506             // on parent by default (this is what GtkDialog ctor does):
 507             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 508                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 509             gtk_window_set_position(GTK_WINDOW(m_widget),
 510                                     GTK_WIN_POS_CENTER_ON_PARENT);
 511         }
 512         else
 513         {
 514             if (style & wxFRAME_TOOL_WINDOW)
 515             {
 516                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 517                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 518
 519                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 520                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 521                 // For consistency between WMs and with Windows, we
 522                 // should set the NO_TASKBAR flag which will apply
 523                 // the set_skip_taskbar_hint if it is available,
 524                 // ensuring no taskbar entry will appear.
 525                 style |= wxFRAME_NO_TASKBAR;
 526             }
 527         }
 528     }
 529
 530     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 531     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 532                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 533                        (style & wxFRAME_FLOAT_ON_PARENT)))
 534     {
 535         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 536                                       GTK_WINDOW(topParent->m_widget) );
 537     }
 538
 539     if (style & wxFRAME_NO_TASKBAR)
 540     {
 541         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 542     }
 543
 544     if (style & wxSTAY_ON_TOP)
 545     {
 546         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 547     }
 548
 549 #if 0
 550     if (!name.empty())
 551         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 552 #endif
 553
 554     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 555     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 556
 557     g_signal_connect (m_widget, "delete_event",
 558                       G_CALLBACK (gtk_frame_delete_callback), this);
 559
 560     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 561     m_mainWidget = gtk_vbox_new(false, 0);
 562     gtk_widget_show( m_mainWidget );
 563     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 564     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 565
 566     // m_wxwindow is the client area
 567     m_wxwindow = wxPizza::New();
 568     gtk_widget_show( m_wxwindow );
 569     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 570
 571     // we donm't allow the frame to get the focus as otherwise
 572     // the frame will grab it at arbitrary focus changes
 573     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 574
 575     if (m_parent) m_parent->AddChild( this );
 576
 577     g_signal_connect(m_wxwindow, "size_allocate",
 578         G_CALLBACK(size_allocate), this);
 579
 580     g_signal_connect (m_widget, "size_request",
 581                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 582     PostCreation();
 583
 584     if ((m_x != -1) || (m_y != -1))
 585         gtk_widget_set_uposition( m_widget, m_x, m_y );
 586
 587     //  we cannot set MWM hints and icons before the widget has
 588     //  been realized, so we do this directly after realization
 589     g_signal_connect (m_widget, "realize",
 590                       G_CALLBACK (gtk_frame_realized_callback), this);
 591
 592     // map and unmap for iconized state
 593     g_signal_connect (m_widget, "map_event",
 594                       G_CALLBACK (gtk_frame_map_callback), this);
 595     g_signal_connect (m_widget, "unmap_event",
 596                       G_CALLBACK (gtk_frame_unmap_callback), this);
 597
 598     // for wxMoveEvent
 599     g_signal_connect (m_widget, "configure_event",
 600                       G_CALLBACK (gtk_frame_configure_callback), this);
 601
 602     // activation
 603     g_signal_connect_after (m_widget, "focus_in_event",
 604                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 605     g_signal_connect_after (m_widget, "focus_out_event",
 606                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 607
 608     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 609     g_signal_connect(m_widget, "property_notify_event",
 610         G_CALLBACK(property_notify_event), this);
 611
 612     // decorations
 613     if ((style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 614     {
 615         m_gdkDecor = 0;
 616         m_gdkFunc = 0;
 617     }
 618     else
 619     {
 620         m_gdkDecor = GDK_DECOR_BORDER;
 621         m_gdkFunc = GDK_FUNC_MOVE;
 622
 623         // All this is for Motif Window Manager "hints" and is supposed to be
 624         // recognized by other WMs as well.
 625         if ((style & wxCAPTION) != 0)
 626         {
 627             m_gdkDecor |= GDK_DECOR_TITLE;
 628         }
 629         if ((style & wxCLOSE_BOX) != 0)
 630         {
 631             m_gdkFunc |= GDK_FUNC_CLOSE;
 632         }
 633         if ((style & wxSYSTEM_MENU) != 0)
 634         {
 635             m_gdkDecor |= GDK_DECOR_MENU;
 636         }
 637         if ((style & wxMINIMIZE_BOX) != 0)
 638         {
 639             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 640             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 641         }
 642         if ((style & wxMAXIMIZE_BOX) != 0)
 643         {
 644             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 645             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 646         }
 647         if ((style & wxRESIZE_BORDER) != 0)
 648         {
 649            m_gdkFunc |= GDK_FUNC_RESIZE;
 650            m_gdkDecor |= GDK_DECOR_RESIZEH;
 651         }
 652     }
 653
 654     // m_gdkDecor needs to be set before calling GTKDoGetSize
 655     int w, h;
 656     GTKDoGetSize(&w, &h);
 657     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 658
 659     return true;
 660 }
 661
 662 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 663 {
 664     if (m_grabbed)
 665     {
 666         wxFAIL_MSG(_T("Window still grabbed"));
 667         RemoveGrab();
 668     }
 669
 670     m_isBeingDeleted = true;
 671
 672     // it may also be GtkScrolledWindow in the case of an MDI child
 673     if (GTK_IS_WINDOW(m_widget))
 674     {
 675         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 676     }
 677
 678     if (g_activeFrame == this)
 679         g_activeFrame = NULL;
 680     if (g_lastActiveFrame == this)
 681         g_lastActiveFrame = NULL;
 682 }
 683
 684 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 685 {
 686     if (enable)
 687         m_gdkFunc |= GDK_FUNC_CLOSE;
 688     else
 689         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 690
 691     if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
 692         gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
 693
 694     return true;
 695 }
 696
 697 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 698 {
 699     if (show == m_fsIsShowing)
 700         return false; // return what?
 701
 702     m_fsIsShowing = show;
 703
 704     wxX11FullScreenMethod method =
 705         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 706                                  (WXWindow)GDK_ROOT_WINDOW());
 707
 708     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 709     //     to switch to fullscreen, which is not always available. We must
 710     //     check if WM supports the spec and use legacy methods if it
 711     //     doesn't.
 712     if ( method == wxX11_FS_WMSPEC )
 713     {
 714         if (show)
 715             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 716         else
 717             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 718     }
 719     else
 720     {
 721         GdkWindow *window = m_widget->window;
 722
 723         if (show)
 724         {
 725             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 726             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 727
 728             int screen_width,screen_height;
 729             wxDisplaySize( &screen_width, &screen_height );
 730
 731             gint client_x, client_y, root_x, root_y;
 732             gint width, height;
 733
 734             m_fsSaveGdkFunc = m_gdkFunc;
 735             m_fsSaveGdkDecor = m_gdkDecor;
 736             m_gdkFunc = m_gdkDecor = 0;
 737             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 738             gdk_window_set_functions(window, (GdkWMFunction)0);
 739
 740             gdk_window_get_origin (m_widget->window, &root_x, &root_y);
 741             gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
 742                          &width, &height, NULL);
 743
 744             gdk_window_move_resize (m_widget->window, -client_x, -client_y,
 745                         screen_width + 1, screen_height + 1);
 746
 747             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 748                                     (WXWindow)GDK_ROOT_WINDOW(),
 749                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 750                                     show, &m_fsSaveFrame, method);
 751         }
 752         else // hide
 753         {
 754             m_gdkFunc = m_fsSaveGdkFunc;
 755             m_gdkDecor = m_fsSaveGdkDecor;
 756             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 757             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 758
 759             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 760                                     (WXWindow)GDK_ROOT_WINDOW(),
 761                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 762                                     show, &m_fsSaveFrame, method);
 763
 764             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 765                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 766         }
 767     }
 768
 769     // documented behaviour is to show the window if it's still hidden when
 770     // showing it full screen
 771     if (show)
 772         Show();
 773
 774     return true;
 775 }
 776
 777 // ----------------------------------------------------------------------------
 778 // overridden wxWindow methods
 779 // ----------------------------------------------------------------------------
 780
 781 bool wxTopLevelWindowGTK::Show( bool show )
 782 {
 783     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 784
 785     if (show && !IsShown())
 786     {
 787         // size_allocate signals occur in reverse order (bottom to top).
 788         // Things work better if the initial wxSizeEvents are sent (from the
 789         // top down), before the initial size_allocate signals occur.
 790         wxSizeEvent event(GetSize(), GetId());
 791         event.SetEventObject(this);
 792         GetEventHandler()->ProcessEvent(event);
 793     }
 794
 795     bool change = wxTopLevelWindowBase::Show(show);
 796
 797     if (change && !show)
 798     {
 799         // make sure window has a non-default position, so when it is shown
 800         // again, it won't be repositioned by WM as if it were a new window
 801         // Note that this must be done _after_ the window is hidden.
 802         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 803     }
 804
 805     return change;
 806 }
 807
 808 void wxTopLevelWindowGTK::Raise()
 809 {
 810     gtk_window_present( GTK_WINDOW( m_widget ) );
 811 }
 812
 813 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 814 {
 815     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 816 }
 817
 818 // ----------------------------------------------------------------------------
 819 // window geometry
 820 // ----------------------------------------------------------------------------
 821
 822 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 823 {
 824     wxSize size(m_width, m_height);
 825     if (!IsFullScreen())
 826     {
 827         size -= GetDecorSize(m_gdkDecor);
 828         if (size.x < 0) size.x = 0;
 829         if (size.y < 0) size.y = 0;
 830     }
 831     if (width)  *width  = size.x;
 832     if (height) *height = size.y;
 833 }
 834
 835 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 836 {
 837     wxCHECK_RET( m_widget, wxT("invalid frame") );
 838
 839     // deal with the position first
 840     int old_x = m_x;
 841     int old_y = m_y;
 842
 843     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
 844     {
 845         // -1 means "use existing" unless the flag above is specified
 846         if ( x != -1 )
 847             m_x = x;
 848         if ( y != -1 )
 849             m_y = y;
 850     }
 851     else // wxSIZE_ALLOW_MINUS_ONE
 852     {
 853         m_x = x;
 854         m_y = y;
 855     }
 856
 857     if ( m_x != old_x || m_y != old_y )
 858     {
 859         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
 860     }
 861
 862     const wxSize oldSize(m_width, m_height);
 863     if (width >= 0)
 864         m_width = width;
 865     if (height >= 0)
 866         m_height = height;
 867     ConstrainSize();
 868     if (m_width != oldSize.x || m_height != oldSize.y)
 869     {
 870         int w, h;
 871         GTKDoGetSize(&w, &h);
 872         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
 873
 874         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
 875         wxSizeEvent event(GetSize(), GetId());
 876         event.SetEventObject(this);
 877         GetEventHandler()->ProcessEvent(event);
 878     }
 879 }
 880
 881 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 882 {
 883     wxASSERT_MSG(m_widget, wxT("invalid frame"));
 884
 885     if ( IsIconized() )
 886     {
 887         // for consistency with wxMSW, client area is supposed to be empty for
 888         // the iconized windows
 889         if ( width )
 890             *width = 0;
 891         if ( height )
 892             *height = 0;
 893     }
 894     else
 895     {
 896         GTKDoGetSize(width, height);
 897     }
 898 }
 899
 900 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
 901                                           int maxW, int maxH,
 902                                           int incW, int incH )
 903 {
 904     wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
 905
 906     const wxSize minSize = GetMinSize();
 907     const wxSize maxSize = GetMaxSize();
 908     GdkGeometry hints;
 909     int hints_mask = 0;
 910     const wxSize sizeDecor = GetDecorSize(m_gdkDecor);
 911     if (minSize.x > 0 || minSize.y > 0)
 912     {
 913         hints_mask |= GDK_HINT_MIN_SIZE;
 914         hints.min_width = minSize.x - sizeDecor.x;
 915         if (hints.min_width < 0)
 916             hints.min_width = 0;
 917         hints.min_height = minSize.y - sizeDecor.y;
 918         if (hints.min_height < 0)
 919             hints.min_height = 0;
 920     }
 921     if (maxSize.x > 0 || maxSize.y > 0)
 922     {
 923         hints_mask |= GDK_HINT_MAX_SIZE;
 924         hints.max_width = maxSize.x - sizeDecor.x;
 925         if (hints.max_width < 0)
 926             hints.max_width = INT_MAX;
 927         hints.max_height = maxSize.y - sizeDecor.y;
 928         if (hints.max_height < 0)
 929             hints.max_height = INT_MAX;
 930     }
 931     if (incW > 0 || incH > 0)
 932     {
 933         hints_mask |= GDK_HINT_RESIZE_INC;
 934         hints.width_inc  = incW > 0 ? incW : 1;
 935         hints.height_inc = incH > 0 ? incH : 1;
 936     }
 937     gtk_window_set_geometry_hints(
 938         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
 939 }
 940
 941 bool wxTopLevelWindowGTK::IsDecorCacheable() const
 942 {
 943     return true;
 944 }
 945
 946 void wxTopLevelWindowGTK::OnInternalIdle()
 947 {
 948     // set the focus if not done yet and if we can already do it
 949     if ( GTK_WIDGET_REALIZED(m_wxwindow) )
 950     {
 951         if ( g_delayedFocus &&
 952              wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
 953         {
 954             wxLogTrace(_T("focus"),
 955                        _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
 956                        g_delayedFocus->GetClassInfo()->GetClassName(),
 957                        g_delayedFocus->GetLabel().c_str());
 958
 959             g_delayedFocus->SetFocus();
 960             g_delayedFocus = NULL;
 961         }
 962     }
 963
 964     wxWindow::OnInternalIdle();
 965
 966     // Synthetize activate events.
 967     if ( g_sendActivateEvent != -1 )
 968     {
 969         bool activate = g_sendActivateEvent != 0;
 970
 971         // if (!activate) wxPrintf( wxT("de") );
 972         // wxPrintf( wxT("activate\n") );
 973
 974         // do it only once
 975         g_sendActivateEvent = -1;
 976
 977         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
 978     }
 979 }
 980
 981 // ----------------------------------------------------------------------------
 982 // frame title/icon
 983 // ----------------------------------------------------------------------------
 984
 985 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
 986 {
 987     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 988
 989     if ( title == m_title )
 990         return;
 991
 992     m_title = title;
 993
 994     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 995 }
 996
 997 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
 998 {
 999     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1000
1001     wxTopLevelWindowBase::SetIcons( icons );
1002
1003     GList *list = NULL;
1004
1005     const size_t numIcons = icons.GetIconCount();
1006     for ( size_t i = 0; i < numIcons; i++ )
1007     {
1008         list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1009     }
1010
1011     gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1012     g_list_free(list);
1013 }
1014
1015 // ----------------------------------------------------------------------------
1016 // frame state: maximized/iconized/normal
1017 // ----------------------------------------------------------------------------
1018
1019 void wxTopLevelWindowGTK::Maximize(bool maximize)
1020 {
1021     if (maximize)
1022         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1023     else
1024         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1025 }
1026
1027 bool wxTopLevelWindowGTK::IsMaximized() const
1028 {
1029     if(!m_widget->window)
1030         return false;
1031
1032     return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1033 }
1034
1035 void wxTopLevelWindowGTK::Restore()
1036 {
1037     // "Present" seems similar enough to "restore"
1038     gtk_window_present( GTK_WINDOW( m_widget ) );
1039 }
1040
1041 void wxTopLevelWindowGTK::Iconize( bool iconize )
1042 {
1043     if (iconize)
1044         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1045     else
1046         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1047 }
1048
1049 bool wxTopLevelWindowGTK::IsIconized() const
1050 {
1051     return m_isIconized;
1052 }
1053
1054 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1055 {
1056     if ( iconize != m_isIconized )
1057     {
1058         m_isIconized = iconize;
1059         (void)SendIconizeEvent(iconize);
1060     }
1061 }
1062
1063 void wxTopLevelWindowGTK::AddGrab()
1064 {
1065     if (!m_grabbed)
1066     {
1067         m_grabbed = true;
1068         gtk_grab_add( m_widget );
1069         wxGUIEventLoop().Run();
1070         gtk_grab_remove( m_widget );
1071     }
1072 }
1073
1074 void wxTopLevelWindowGTK::RemoveGrab()
1075 {
1076     if (m_grabbed)
1077     {
1078         gtk_main_quit();
1079         m_grabbed = false;
1080     }
1081 }
1082
1083
1084 // helper
1085 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1086 {
1087     if (window)
1088     {
1089         if (region.IsEmpty())
1090         {
1091             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1092         }
1093         else
1094         {
1095             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1096             return true;
1097         }
1098     }
1099     return false;
1100 }
1101
1102
1103 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1104 {
1105     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1106                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1107
1108     GdkWindow *window = NULL;
1109     if (m_wxwindow)
1110     {
1111         do_shape_combine_region(m_wxwindow->window, region);
1112     }
1113     window = m_widget->window;
1114     return do_shape_combine_region(window, region);
1115 }
1116
1117 bool wxTopLevelWindowGTK::IsActive()
1118 {
1119     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1120 }
1121
1122 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1123 {
1124     bool new_hint_value = false;
1125
1126     // FIXME: This is a workaround to focus handling problem
1127     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle hasn't
1128     // yet been processed, and the internal focus system is not up to date yet.
1129     // wxYieldIfNeeded ensures the processing of it, but can have unwanted side effects - MR
1130     ::wxYieldIfNeeded();
1131
1132     if(m_urgency_hint >= 0)
1133         g_source_remove(m_urgency_hint);
1134
1135     m_urgency_hint = -2;
1136
1137     if( GTK_WIDGET_REALIZED(m_widget) && !IsActive() )
1138     {
1139         new_hint_value = true;
1140
1141         if (flags & wxUSER_ATTENTION_INFO)
1142         {
1143             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1144         } else {
1145             m_urgency_hint = -1;
1146         }
1147     }
1148
1149 #if GTK_CHECK_VERSION(2,7,0)
1150     if(!gtk_check_version(2,7,0))
1151         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1152     else
1153 #endif
1154         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1155 }
1156
1157 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1158 {
1159     // Store which styles were changed
1160     long styleChanges = style ^ m_windowStyle;
1161
1162     // Process wxWindow styles. This also updates the internal variable
1163     // Therefore m_windowStyle bits carry now the _new_ style values
1164     wxWindow::SetWindowStyleFlag(style);
1165
1166     // just return for now if widget does not exist yet
1167     if (!m_widget)
1168         return;
1169
1170     if ( styleChanges & wxSTAY_ON_TOP )
1171     {
1172         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1173                                   m_windowStyle & wxSTAY_ON_TOP);
1174     }
1175
1176     if ( styleChanges & wxFRAME_NO_TASKBAR )
1177     {
1178         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1179                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1180     }
1181 }
1182
1183 /* Get the X Window between child and the root window.
1184    This should usually be the WM managed XID */
1185 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1186 {
1187     Window root, parent;
1188     Window* children;
1189     unsigned int nchildren;
1190
1191     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1192     XFree(children);
1193
1194     while (parent != root) {
1195         child = parent;
1196         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1197         XFree(children);
1198     }
1199
1200     return child;
1201 }
1202
1203 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1204 {
1205     if (!m_widget || !m_widget->window)
1206         return false;
1207
1208     Display* dpy = GDK_WINDOW_XDISPLAY (m_widget->window);
1209     // We need to get the X Window that has the root window as the immediate parent
1210     // and m_widget->window as a child. This should be the X Window that the WM manages and
1211     // from which the opacity property is checked from.
1212     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID (m_widget->window));
1213
1214
1215     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1216     if (alpha == 0xff)
1217         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1218     else
1219     {
1220         long opacity = alpha * 0x1010101L;
1221         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1222                         XA_CARDINAL, 32, PropModeReplace,
1223                         (unsigned char *) &opacity, 1L);
1224     }
1225     XSync(dpy, False);
1226     return true;
1227 }
1228
1229 bool wxTopLevelWindowGTK::CanSetTransparent()
1230 {
1231     // allow to override automatic detection as it's far from perfect
1232     static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
1233     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1234     {
1235         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1236     }
1237
1238 #if GTK_CHECK_VERSION(2,10,0)
1239     if (!gtk_check_version(2,10,0))
1240     {
1241         return (gtk_widget_is_composited (m_widget));
1242     }
1243     else
1244 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1245     {
1246         return false;
1247     }
1248
1249 #if 0 // Don't be optimistic here for the sake of wxAUI
1250     int opcode, event, error;
1251     // Check for the existence of a RGBA visual instead?
1252     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1253                            "Composite", &opcode, &event, &error);
1254 #endif
1255 }
1256
1257 void wxTopLevelWindowGTK::OnSysColourChanged(wxSysColourChangedEvent& event)
1258 {
1259     // We don't know the order in which top-level windows will
1260     // be notified, so we need to clear the system objects
1261     // for each top-level window.
1262     extern void wxClearGtkSystemObjects();
1263     wxClearGtkSystemObjects();
1264
1265     // wxWindowBase::OnSysColourChanged will propagate event
1266     // to children
1267     event.Skip();
1268 }