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 // Whether _NET_REQUEST_FRAME_EXTENTS support is working
  76 //   0 == not tested yet, 1 == working, 2 == broken
  77 static int gs_requestFrameExtentsStatus;
  78
  79 //-----------------------------------------------------------------------------
  80 // RequestUserAttention related functions
  81 //-----------------------------------------------------------------------------
  82
  83 extern "C" {
  84 static void wxgtk_window_set_urgency_hint (GtkWindow *win,
  85                                            gboolean setting)
  86 {
  87     GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(win));
  88     wxASSERT_MSG(window, "wxgtk_window_set_urgency_hint: GdkWindow not realized");
  89     XWMHints *wm_hints;
  90
  91     wm_hints = XGetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window));
  92
  93     if (!wm_hints)
  94         wm_hints = XAllocWMHints();
  95
  96     if (setting)
  97         wm_hints->flags |= XUrgencyHint;
  98     else
  99         wm_hints->flags &= ~XUrgencyHint;
 100
 101     XSetWMHints(GDK_WINDOW_XDISPLAY(window), GDK_WINDOW_XWINDOW(window), wm_hints);
 102     XFree(wm_hints);
 103 }
 104
 105 static gboolean gtk_frame_urgency_timer_callback( wxTopLevelWindowGTK *win )
 106 {
 107 #if GTK_CHECK_VERSION(2,7,0)
 108     if(!gtk_check_version(2,7,0))
 109         gtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 110     else
 111 #endif
 112         wxgtk_window_set_urgency_hint(GTK_WINDOW( win->m_widget ), FALSE);
 113
 114     win->m_urgency_hint = -2;
 115     return FALSE;
 116 }
 117 }
 118
 119 //-----------------------------------------------------------------------------
 120 // "focus_in_event"
 121 //-----------------------------------------------------------------------------
 122
 123 extern "C" {
 124 static gboolean gtk_frame_focus_in_callback( GtkWidget *widget,
 125                                          GdkEvent *WXUNUSED(event),
 126                                          wxTopLevelWindowGTK *win )
 127 {
 128     switch ( g_sendActivateEvent )
 129     {
 130         case -1:
 131             // we've got focus from outside, synthetize wxActivateEvent
 132             g_sendActivateEvent = 1;
 133             break;
 134
 135         case 0:
 136             // another our window just lost focus, it was already ours before
 137             // - don't send any wxActivateEvent
 138             g_sendActivateEvent = -1;
 139             break;
 140     }
 141
 142     g_activeFrame = win;
 143     g_lastActiveFrame = g_activeFrame;
 144
 145     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 146
 147     // MR: wxRequestUserAttention related block
 148     switch( win->m_urgency_hint )
 149     {
 150         default:
 151             g_source_remove( win->m_urgency_hint );
 152             // no break, fallthrough to remove hint too
 153         case -1:
 154 #if GTK_CHECK_VERSION(2,7,0)
 155             if(!gtk_check_version(2,7,0))
 156                 gtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 157             else
 158 #endif
 159             {
 160                 wxgtk_window_set_urgency_hint(GTK_WINDOW( widget ), FALSE);
 161             }
 162
 163             win->m_urgency_hint = -2;
 164             break;
 165
 166         case -2: break;
 167     }
 168
 169     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 170     wxActivateEvent event(wxEVT_ACTIVATE, true, g_activeFrame->GetId());
 171     event.SetEventObject(g_activeFrame);
 172     g_activeFrame->HandleWindowEvent(event);
 173
 174     return FALSE;
 175 }
 176 }
 177
 178 //-----------------------------------------------------------------------------
 179 // "focus_out_event"
 180 //-----------------------------------------------------------------------------
 181
 182 extern "C" {
 183 static
 184 gboolean gtk_frame_focus_out_callback(GtkWidget * WXUNUSED(widget),
 185                                       GdkEventFocus *WXUNUSED(gdk_event),
 186                                       wxTopLevelWindowGTK * WXUNUSED(win))
 187 {
 188     // if the focus goes out of our app alltogether, OnIdle() will send
 189     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 190     // g_sendActivateEvent to -1
 191     g_sendActivateEvent = 0;
 192
 193     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 194
 195     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 196
 197     if (g_activeFrame)
 198     {
 199         wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 200         wxActivateEvent event(wxEVT_ACTIVATE, false, g_activeFrame->GetId());
 201         event.SetEventObject(g_activeFrame);
 202         g_activeFrame->HandleWindowEvent(event);
 203
 204         g_activeFrame = NULL;
 205     }
 206
 207     return FALSE;
 208 }
 209 }
 210
 211 //-----------------------------------------------------------------------------
 212 // "size_allocate" from m_wxwindow
 213 //-----------------------------------------------------------------------------
 214
 215 extern "C" {
 216 static void
 217 size_allocate(GtkWidget*, GtkAllocation* alloc, wxTopLevelWindowGTK* win)
 218 {
 219     if (win->m_oldClientWidth  != alloc->width ||
 220         win->m_oldClientHeight != alloc->height)
 221     {
 222         win->m_oldClientWidth  = alloc->width;
 223         win->m_oldClientHeight = alloc->height;
 224
 225         GtkAllocation a;
 226         gtk_widget_get_allocation(win->m_widget, &a);
 227         wxSize size(a.width, a.height);
 228         size += win->m_decorSize;
 229         win->m_width  = size.x;
 230         win->m_height = size.y;
 231
 232         if (!win->IsIconized())
 233         {
 234             wxSizeEvent event(size, win->GetId());
 235             event.SetEventObject(win);
 236             win->HandleWindowEvent(event);
 237         }
 238         // else the window is currently unmapped, don't generate size events
 239     }
 240 }
 241 }
 242
 243 // ----------------------------------------------------------------------------
 244 // "size_request"
 245 // ----------------------------------------------------------------------------
 246
 247 extern "C" {
 248 static
 249 void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
 250                                      GtkRequisition *requisition,
 251                                      wxTopLevelWindowGTK *win)
 252 {
 253     // we must return the size of the window without WM decorations, otherwise
 254     // GTK+ gets confused, so don't call just GetSize() here
 255     win->GTKDoGetSize(&requisition->width, &requisition->height);
 256 }
 257 }
 258
 259 //-----------------------------------------------------------------------------
 260 // "delete_event"
 261 //-----------------------------------------------------------------------------
 262
 263 extern "C" {
 264 static gboolean
 265 gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget),
 266                            GdkEvent *WXUNUSED(event),
 267                            wxTopLevelWindowGTK *win )
 268 {
 269     if (win->IsEnabled() &&
 270         (wxOpenModalDialogsCount == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 271          win->IsGrabbed()))
 272         win->Close();
 273
 274     return TRUE;
 275 }
 276 }
 277
 278 //-----------------------------------------------------------------------------
 279 // "configure_event"
 280 //-----------------------------------------------------------------------------
 281
 282 extern "C" {
 283 static gboolean
 284 gtk_frame_configure_callback( GtkWidget* widget,
 285                               GdkEventConfigure *WXUNUSED(event),
 286                               wxTopLevelWindowGTK *win )
 287 {
 288     if (!win->m_hasVMT || !win->IsShown())
 289         return FALSE;
 290
 291     wxPoint point;
 292     gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
 293
 294     win->m_x = point.x;
 295     win->m_y = point.y;
 296     wxMoveEvent mevent(point, win->GetId());
 297     mevent.SetEventObject( win );
 298     win->HandleWindowEvent( mevent );
 299
 300     return FALSE;
 301 }
 302 }
 303
 304 //-----------------------------------------------------------------------------
 305 // "realize" from m_widget
 306 //-----------------------------------------------------------------------------
 307
 308 // we cannot the WM hints and icons before the widget has been realized,
 309 // so we do this directly after realization
 310
 311 void wxTopLevelWindowGTK::GTKHandleRealized()
 312 {
 313     wxNonOwnedWindow::GTKHandleRealized();
 314
 315     gdk_window_set_decorations(gtk_widget_get_window(m_widget),
 316                                (GdkWMDecoration)m_gdkDecor);
 317     gdk_window_set_functions(gtk_widget_get_window(m_widget),
 318                                (GdkWMFunction)m_gdkFunc);
 319
 320     // GTK's shrinking/growing policy
 321     if ( !(m_gdkFunc & GDK_FUNC_RESIZE) )
 322         gtk_window_set_resizable(GTK_WINDOW(m_widget), FALSE);
 323 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 324     else
 325         gtk_window_set_policy(GTK_WINDOW(m_widget), 1, 1, 1);
 326 #endif
 327
 328     const wxIconBundle& icons = GetIcons();
 329     if (icons.GetIconCount())
 330         SetIcons(icons);
 331
 332     if (win->HasFlag(wxFRAME_SHAPED))
 333         win->SetShape(win->m_shape); // it will really set the window shape now
 334 }
 335
 336 //-----------------------------------------------------------------------------
 337 // "map_event" from m_widget
 338 //-----------------------------------------------------------------------------
 339
 340 extern "C" {
 341 static gboolean
 342 gtk_frame_map_callback( GtkWidget*,
 343                         GdkEvent * WXUNUSED(event),
 344                         wxTopLevelWindow *win )
 345 {
 346     const bool wasIconized = win->IsIconized();
 347     if (wasIconized)
 348     {
 349         // Because GetClientSize() returns (0,0) when IsIconized() is true,
 350         // a size event must be generated, just in case GetClientSize() was
 351         // called while iconized. This specifically happens when restoring a
 352         // tlw that was "rolled up" with some WMs.
 353         // Queue a resize rather than sending size event directly to allow
 354         // children to be made visible first.
 355         win->m_oldClientWidth = 0;
 356         gtk_widget_queue_resize(win->m_wxwindow);
 357     }
 358     // it is possible for m_isShown to be false here, see bug #9909
 359     if (win->wxWindowBase::Show(true))
 360     {
 361         wxShowEvent eventShow(win->GetId(), true);
 362         eventShow.SetEventObject(win);
 363         win->GetEventHandler()->ProcessEvent(eventShow);
 364     }
 365
 366 #if GTK_CHECK_VERSION(2,6,0)
 367     if (!gtk_check_version(2,6,0))
 368     {
 369         // restore focus-on-map setting in case ShowWithoutActivating() was called
 370         gtk_window_set_focus_on_map(GTK_WINDOW(win->m_widget), true);
 371     }
 372 #endif // GTK+ 2.6+
 373
 374     return false;
 375 }
 376 }
 377
 378 //-----------------------------------------------------------------------------
 379 // "window-state-event" from m_widget
 380 //-----------------------------------------------------------------------------
 381
 382 extern "C" {
 383 static gboolean
 384 gtk_frame_window_state_callback( GtkWidget* WXUNUSED(widget),
 385                           GdkEventWindowState *event,
 386                           wxTopLevelWindow *win )
 387 {
 388     if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED)
 389         win->SetIconizeState((event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
 390
 391     // if maximized bit changed and it is now set
 392     if (event->changed_mask & event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
 393     {
 394         wxMaximizeEvent event(win->GetId());
 395         event.SetEventObject(win);
 396         win->HandleWindowEvent(event);
 397     }
 398
 399     return false;
 400 }
 401 }
 402
 403 //-----------------------------------------------------------------------------
 404
 405 bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
 406 {
 407     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 408     Atom xproperty = gdk_x11_atom_to_xatom_for_display(
 409                         gdk_drawable_get_display(window), property);
 410     Atom type;
 411     int format;
 412     gulong nitems, bytes_after;
 413     guchar* data;
 414     Status status = XGetWindowProperty(
 415         gdk_x11_drawable_get_xdisplay(window),
 416         gdk_x11_drawable_get_xid(window),
 417         xproperty,
 418         0, 4, false, XA_CARDINAL,
 419         &type, &format, &nitems, &bytes_after, &data);
 420     const bool success = status == Success && data && nitems == 4;
 421     if (success)
 422     {
 423         long* p = (long*)data;
 424         if (left)   *left   = int(p[0]);
 425         if (right)  *right  = int(p[1]);
 426         if (top)    *top    = int(p[2]);
 427         if (bottom) *bottom = int(p[3]);
 428     }
 429     if (data)
 430         XFree(data);
 431     return success;
 432 }
 433
 434 //-----------------------------------------------------------------------------
 435 // "property_notify_event" from m_widget
 436 //-----------------------------------------------------------------------------
 437
 438 extern "C" {
 439 static gboolean property_notify_event(
 440     GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
 441 {
 442     // Watch for changes to _NET_FRAME_EXTENTS property
 443     static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
 444     if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
 445     {
 446         if (win->m_netFrameExtentsTimerId)
 447         {
 448             // WM support for _NET_REQUEST_FRAME_EXTENTS is working
 449             gs_requestFrameExtentsStatus = 1;
 450             g_source_remove(win->m_netFrameExtentsTimerId);
 451             win->m_netFrameExtentsTimerId = 0;
 452         }
 453
 454         wxSize decorSize = win->m_decorSize;
 455         int left, right, top, bottom;
 456         if (wxGetFrameExtents(event->window, &left, &right, &top, &bottom))
 457             decorSize.Set(left + right, top + bottom);
 458
 459         win->GTKUpdateDecorSize(decorSize);
 460     }
 461     return false;
 462 }
 463 }
 464
 465 extern "C" {
 466 static gboolean request_frame_extents_timeout(void* data)
 467 {
 468     // WM support for _NET_REQUEST_FRAME_EXTENTS is broken
 469     gs_requestFrameExtentsStatus = 2;
 470     gdk_threads_enter();
 471     wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
 472     win->m_netFrameExtentsTimerId = 0;
 473     wxSize decorSize = win->m_decorSize;
 474     int left, right, top, bottom;
 475     if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
 476         decorSize.Set(left + right, top + bottom);
 477     win->GTKUpdateDecorSize(decorSize);
 478     gdk_threads_leave();
 479     return false;
 480 }
 481 }
 482
 483 // ----------------------------------------------------------------------------
 484 // wxTopLevelWindowGTK creation
 485 // ----------------------------------------------------------------------------
 486
 487 void wxTopLevelWindowGTK::Init()
 488 {
 489     m_mainWidget = NULL;
 490     m_isIconized = false;
 491     m_fsIsShowing = false;
 492     m_themeEnabled = true;
 493     m_gdkDecor =
 494     m_gdkFunc = 0;
 495     m_grabbed = false;
 496     m_deferShow = true;
 497     m_deferShowAllowed = true;
 498     m_updateDecorSize = true;
 499     m_netFrameExtentsTimerId = 0;
 500
 501     m_urgency_hint = -2;
 502 }
 503
 504 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 505                                   wxWindowID id,
 506                                   const wxString& title,
 507                                   const wxPoint& pos,
 508                                   const wxSize& sizeOrig,
 509                                   long style,
 510                                   const wxString &name )
 511 {
 512     // always create a frame of some reasonable, even if arbitrary, size (at
 513     // least for MSW compatibility)
 514     wxSize size = sizeOrig;
 515     size.x = WidthDefault(size.x);
 516     size.y = HeightDefault(size.y);
 517
 518     wxTopLevelWindows.Append( this );
 519
 520     if (!PreCreation( parent, pos, size ) ||
 521         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 522     {
 523         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 524         return false;
 525     }
 526
 527     m_title = title;
 528
 529     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 530     //     e.g. in wxTaskBarIconAreaGTK
 531     if (m_widget == NULL)
 532     {
 533 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 534         // we must create HildonWindow and not a normal GtkWindow as the latter
 535         // doesn't look correctly in Maemo environment and it must also be
 536         // registered with the main program object
 537         m_widget = hildon_window_new();
 538         hildon_program_add_window(wxTheApp->GetHildonProgram(),
 539                                   HILDON_WINDOW(m_widget));
 540 #else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 541         m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 542         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 543         {
 544             // Tell WM that this is a dialog window and make it center
 545             // on parent by default (this is what GtkDialog ctor does):
 546             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 547                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 548             gtk_window_set_position(GTK_WINDOW(m_widget),
 549                                     GTK_WIN_POS_CENTER_ON_PARENT);
 550         }
 551         else
 552         {
 553             if (style & wxFRAME_TOOL_WINDOW)
 554             {
 555                 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 556                                          GDK_WINDOW_TYPE_HINT_UTILITY);
 557
 558                 // On some WMs, like KDE, a TOOL_WINDOW will still show
 559                 // on the taskbar, but on Gnome a TOOL_WINDOW will not.
 560                 // For consistency between WMs and with Windows, we
 561                 // should set the NO_TASKBAR flag which will apply
 562                 // the set_skip_taskbar_hint if it is available,
 563                 // ensuring no taskbar entry will appear.
 564                 style |= wxFRAME_NO_TASKBAR;
 565             }
 566         }
 567 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
 568
 569         g_object_ref(m_widget);
 570     }
 571
 572     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 573     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 574                        (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 575                        (style & wxFRAME_FLOAT_ON_PARENT)))
 576     {
 577         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 578                                       GTK_WINDOW(topParent->m_widget) );
 579     }
 580
 581     if (style & wxFRAME_NO_TASKBAR)
 582     {
 583         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 584     }
 585
 586     if (style & wxSTAY_ON_TOP)
 587     {
 588         gtk_window_set_keep_above(GTK_WINDOW(m_widget), TRUE);
 589     }
 590     if (style & wxMAXIMIZE)
 591         gtk_window_maximize(GTK_WINDOW(m_widget));
 592
 593 #if 0
 594     if (!name.empty())
 595         gtk_window_set_role( GTK_WINDOW(m_widget), wxGTK_CONV( name ) );
 596 #endif
 597
 598     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 599     gtk_widget_set_can_focus(m_widget, false);
 600
 601     g_signal_connect (m_widget, "delete_event",
 602                       G_CALLBACK (gtk_frame_delete_callback), this);
 603
 604     // m_mainWidget is a GtkVBox, holding the bars and client area (m_wxwindow)
 605     m_mainWidget = gtk_vbox_new(false, 0);
 606     gtk_widget_show( m_mainWidget );
 607     gtk_widget_set_can_focus(m_mainWidget, false);
 608     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 609
 610     // m_wxwindow is the client area
 611     m_wxwindow = wxPizza::New();
 612     gtk_widget_show( m_wxwindow );
 613     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 614
 615     // we donm't allow the frame to get the focus as otherwise
 616     // the frame will grab it at arbitrary focus changes
 617     gtk_widget_set_can_focus(m_wxwindow, false);
 618
 619     if (m_parent) m_parent->AddChild( this );
 620
 621     g_signal_connect(m_wxwindow, "size_allocate",
 622         G_CALLBACK(size_allocate), this);
 623
 624     g_signal_connect (m_widget, "size_request",
 625                       G_CALLBACK (wxgtk_tlw_size_request_callback), this);
 626     PostCreation();
 627
 628 #if !GTK_CHECK_VERSION(3,0,0) && !defined(GTK_DISABLE_DEPRECATED)
 629     if ((m_x != -1) || (m_y != -1))
 630         gtk_widget_set_uposition( m_widget, m_x, m_y );
 631 #endif
 632
 633     // for some reported size corrections
 634     g_signal_connect (m_widget, "map_event",
 635                       G_CALLBACK (gtk_frame_map_callback), this);
 636
 637     // for iconized state
 638     g_signal_connect (m_widget, "window_state_event",
 639                       G_CALLBACK (gtk_frame_window_state_callback), this);
 640
 641
 642     // for wxMoveEvent
 643     g_signal_connect (m_widget, "configure_event",
 644                       G_CALLBACK (gtk_frame_configure_callback), this);
 645
 646     // activation
 647     g_signal_connect_after (m_widget, "focus_in_event",
 648                       G_CALLBACK (gtk_frame_focus_in_callback), this);
 649     g_signal_connect_after (m_widget, "focus_out_event",
 650                       G_CALLBACK (gtk_frame_focus_out_callback), this);
 651
 652     gtk_widget_add_events(m_widget, GDK_PROPERTY_CHANGE_MASK);
 653     g_signal_connect(m_widget, "property_notify_event",
 654         G_CALLBACK(property_notify_event), this);
 655
 656     // translate wx decorations styles into Motif WM hints (they are recognized
 657     // by other WMs as well)
 658
 659     // always enable moving the window as we have no separate flag for enabling
 660     // it
 661     m_gdkFunc = GDK_FUNC_MOVE;
 662
 663     if ( style & wxCLOSE_BOX )
 664         m_gdkFunc |= GDK_FUNC_CLOSE;
 665
 666     if ( style & wxMINIMIZE_BOX )
 667         m_gdkFunc |= GDK_FUNC_MINIMIZE;
 668
 669     if ( style & wxMAXIMIZE_BOX )
 670         m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 671
 672     if ( (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER) )
 673     {
 674         m_gdkDecor = 0;
 675     }
 676     else // have border
 677     {
 678         m_gdkDecor = GDK_DECOR_BORDER;
 679
 680         if ( style & wxCAPTION )
 681             m_gdkDecor |= GDK_DECOR_TITLE;
 682
 683         if ( style & wxSYSTEM_MENU )
 684             m_gdkDecor |= GDK_DECOR_MENU;
 685
 686         if ( style & wxMINIMIZE_BOX )
 687             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 688
 689         if ( style & wxMAXIMIZE_BOX )
 690             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 691
 692         if ( style & wxRESIZE_BORDER )
 693         {
 694            m_gdkFunc |= GDK_FUNC_RESIZE;
 695            m_gdkDecor |= GDK_DECOR_RESIZEH;
 696         }
 697     }
 698
 699     m_decorSize = GetCachedDecorSize();
 700     int w, h;
 701     GTKDoGetSize(&w, &h);
 702     gtk_window_set_default_size(GTK_WINDOW(m_widget), w, h);
 703
 704     return true;
 705 }
 706
 707 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 708 {
 709     if ( m_netFrameExtentsTimerId )
 710     {
 711         // Don't let the timer callback fire as the window pointer passed to it
 712         // will become invalid very soon.
 713         g_source_remove(m_netFrameExtentsTimerId);
 714     }
 715
 716 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 717     // it can also be a (standard) dialog
 718     if ( HILDON_IS_WINDOW(m_widget) )
 719     {
 720         hildon_program_remove_window(wxTheApp->GetHildonProgram(),
 721                                      HILDON_WINDOW(m_widget));
 722     }
 723 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
 724
 725     if (m_grabbed)
 726     {
 727         wxFAIL_MSG(wxT("Window still grabbed"));
 728         RemoveGrab();
 729     }
 730
 731     SendDestroyEvent();
 732
 733     // it may also be GtkScrolledWindow in the case of an MDI child
 734     if (GTK_IS_WINDOW(m_widget))
 735     {
 736         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 737     }
 738
 739     if (g_activeFrame == this)
 740         g_activeFrame = NULL;
 741     if (g_lastActiveFrame == this)
 742         g_lastActiveFrame = NULL;
 743 }
 744
 745 bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
 746 {
 747     if (enable)
 748         m_gdkFunc |= GDK_FUNC_CLOSE;
 749     else
 750         m_gdkFunc &= ~GDK_FUNC_CLOSE;
 751
 752     GdkWindow* window = gtk_widget_get_window(m_widget);
 753     if (window)
 754         gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 755
 756     return true;
 757 }
 758
 759 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
 760 {
 761     if (show == m_fsIsShowing)
 762         return false; // return what?
 763
 764     m_fsIsShowing = show;
 765
 766     wxX11FullScreenMethod method =
 767         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 768                                  (WXWindow)GDK_ROOT_WINDOW());
 769
 770     // NB: gtk_window_fullscreen() uses freedesktop.org's WMspec extensions
 771     //     to switch to fullscreen, which is not always available. We must
 772     //     check if WM supports the spec and use legacy methods if it
 773     //     doesn't.
 774     if ( method == wxX11_FS_WMSPEC )
 775     {
 776         if (show)
 777             gtk_window_fullscreen( GTK_WINDOW( m_widget ) );
 778         else
 779             gtk_window_unfullscreen( GTK_WINDOW( m_widget ) );
 780     }
 781     else
 782     {
 783         GdkWindow* window = gtk_widget_get_window(m_widget);
 784
 785         if (show)
 786         {
 787             GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 788             GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 789
 790             int screen_width,screen_height;
 791             wxDisplaySize( &screen_width, &screen_height );
 792
 793             gint client_x, client_y, root_x, root_y;
 794             gint width, height;
 795
 796             m_fsSaveGdkFunc = m_gdkFunc;
 797             m_fsSaveGdkDecor = m_gdkDecor;
 798             m_gdkFunc = m_gdkDecor = 0;
 799             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 800             gdk_window_set_functions(window, (GdkWMFunction)0);
 801
 802             gdk_window_get_origin(window, &root_x, &root_y);
 803             gdk_window_get_geometry(window, &client_x, &client_y, &width, &height, NULL);
 804
 805             gdk_window_move_resize(
 806                 window, -client_x, -client_y, screen_width + 1, screen_height + 1);
 807
 808             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 809                                     (WXWindow)GDK_ROOT_WINDOW(),
 810                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 811                                     show, &m_fsSaveFrame, method);
 812         }
 813         else // hide
 814         {
 815             m_gdkFunc = m_fsSaveGdkFunc;
 816             m_gdkDecor = m_fsSaveGdkDecor;
 817             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 818             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 819
 820             wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 821                                     (WXWindow)GDK_ROOT_WINDOW(),
 822                                     (WXWindow)GDK_WINDOW_XWINDOW(window),
 823                                     show, &m_fsSaveFrame, method);
 824
 825             SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 826                     m_fsSaveFrame.width, m_fsSaveFrame.height);
 827         }
 828     }
 829
 830     // documented behaviour is to show the window if it's still hidden when
 831     // showing it full screen
 832     if (show)
 833         Show();
 834
 835     return true;
 836 }
 837
 838 // ----------------------------------------------------------------------------
 839 // overridden wxWindow methods
 840 // ----------------------------------------------------------------------------
 841
 842 void wxTopLevelWindowGTK::Refresh( bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect) )
 843 {
 844     wxCHECK_RET( m_widget, wxT("invalid frame") );
 845
 846     gtk_widget_queue_draw( m_widget );
 847
 848     GdkWindow* window = NULL;
 849     if (m_wxwindow)
 850         window = gtk_widget_get_window(m_wxwindow);
 851     if (window)
 852         gdk_window_invalidate_rect(window, NULL, true);
 853 }
 854
 855 bool wxTopLevelWindowGTK::Show( bool show )
 856 {
 857     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 858
 859     bool deferShow = show && !m_isShown && m_deferShow;
 860     if (deferShow)
 861     {
 862         deferShow = gs_requestFrameExtentsStatus != 2 &&
 863             m_deferShowAllowed && !gtk_widget_get_realized(m_widget);
 864         if (deferShow)
 865         {
 866             deferShow = g_signal_handler_find(m_widget,
 867                 GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
 868                 g_signal_lookup("property_notify_event", GTK_TYPE_WIDGET),
 869                 0, NULL, NULL, this) != 0;
 870         }
 871         GdkScreen* screen = NULL;
 872         if (deferShow)
 873         {
 874             screen = gtk_widget_get_screen(m_widget);
 875             GdkAtom atom = gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false);
 876             deferShow = gdk_x11_screen_supports_net_wm_hint(screen, atom) != 0;
 877             // If _NET_REQUEST_FRAME_EXTENTS not supported, don't allow changes
 878             // to m_decorSize, it breaks saving/restoring window size with
 879             // GetSize()/SetSize() because it makes window bigger between each
 880             // restore and save.
 881             m_updateDecorSize = deferShow;
 882         }
 883
 884         m_deferShow = deferShow;
 885     }
 886     if (deferShow)
 887     {
 888         // Initial show. If WM supports _NET_REQUEST_FRAME_EXTENTS, defer
 889         // calling gtk_widget_show() until _NET_FRAME_EXTENTS property
 890         // notification is received, so correct frame extents are known.
 891         // This allows resizing m_widget to keep the overall size in sync with
 892         // what wxWidgets expects it to be without an obvious change in the
 893         // window size immediately after it becomes visible.
 894
 895         // Realize m_widget, so m_widget->window can be used. Realizing normally
 896         // causes the widget tree to be size_allocated, which generates size
 897         // events in the wrong order. However, the size_allocates will not be
 898         // done if the allocation is not the default (1,1).
 899         GtkAllocation alloc;
 900         gtk_widget_get_allocation(m_widget, &alloc);
 901         const int alloc_width = alloc.width;
 902         if (alloc_width == 1)
 903         {
 904             alloc.width = 2;
 905             gtk_widget_set_allocation(m_widget, &alloc);
 906         }
 907         gtk_widget_realize(m_widget);
 908         if (alloc_width == 1)
 909         {
 910             alloc.width = 1;
 911             gtk_widget_set_allocation(m_widget, &alloc);
 912         }
 913
 914         // send _NET_REQUEST_FRAME_EXTENTS
 915         XClientMessageEvent xevent;
 916         memset(&xevent, 0, sizeof(xevent));
 917         xevent.type = ClientMessage;
 918         GdkWindow* window = gtk_widget_get_window(m_widget);
 919         xevent.window = gdk_x11_drawable_get_xid(window);
 920         xevent.message_type = gdk_x11_atom_to_xatom_for_display(
 921             gdk_drawable_get_display(window),
 922             gdk_atom_intern("_NET_REQUEST_FRAME_EXTENTS", false));
 923         xevent.format = 32;
 924         Display* display = gdk_x11_drawable_get_xdisplay(window);
 925         XSendEvent(display, DefaultRootWindow(display), false,
 926             SubstructureNotifyMask | SubstructureRedirectMask,
 927             (XEvent*)&xevent);
 928
 929         if (gs_requestFrameExtentsStatus == 0)
 930         {
 931             // if WM does not respond to request within 1 second,
 932             // we assume support for _NET_REQUEST_FRAME_EXTENTS is not working
 933             m_netFrameExtentsTimerId =
 934                 g_timeout_add(1000, request_frame_extents_timeout, this);
 935         }
 936
 937         // defer calling gtk_widget_show()
 938         m_isShown = true;
 939         return true;
 940     }
 941
 942     if (show && !gtk_widget_get_realized(m_widget))
 943     {
 944         // size_allocate signals occur in reverse order (bottom to top).
 945         // Things work better if the initial wxSizeEvents are sent (from the
 946         // top down), before the initial size_allocate signals occur.
 947         wxSizeEvent event(GetSize(), GetId());
 948         event.SetEventObject(this);
 949         HandleWindowEvent(event);
 950     }
 951
 952     bool change = base_type::Show(show);
 953
 954     if (change && !show)
 955     {
 956         // make sure window has a non-default position, so when it is shown
 957         // again, it won't be repositioned by WM as if it were a new window
 958         // Note that this must be done _after_ the window is hidden.
 959         gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
 960     }
 961
 962     return change;
 963 }
 964
 965 void wxTopLevelWindowGTK::ShowWithoutActivating()
 966 {
 967     if (!m_isShown)
 968     {
 969 #if GTK_CHECK_VERSION(2,6,0)
 970         if (!gtk_check_version(2,6,0))
 971             gtk_window_set_focus_on_map(GTK_WINDOW(m_widget), false);
 972 #endif // GTK+ 2.6+
 973
 974         Show(true);
 975     }
 976 }
 977
 978 void wxTopLevelWindowGTK::Raise()
 979 {
 980     gtk_window_present( GTK_WINDOW( m_widget ) );
 981 }
 982
 983 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 984 {
 985     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 986 }
 987
 988 // ----------------------------------------------------------------------------
 989 // window geometry
 990 // ----------------------------------------------------------------------------
 991
 992 void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
 993 {
 994     wxSize size(m_width, m_height);
 995     size -= m_decorSize;
 996     if (size.x < 0) size.x = 0;
 997     if (size.y < 0) size.y = 0;
 998 #if wxUSE_LIBHILDON2
 999     if (width) {
1000        if (size.x == 720)
1001                *width = 696;
1002        else
1003                *width = size.x;
1004     }
1005     if (height) {
1006        if (size.y == 420)
1007                *height = 396;
1008        else if (size.y == 270)
1009                *height = 246;
1010             else
1011                *height = size.y;
1012     }
1013 #else // wxUSE_LIBHILDON2
1014     if (width)  *width  = size.x;
1015     if (height) *height = size.y;
1016 #endif // wxUSE_LIBHILDON2 /!wxUSE_LIBHILDON2
1017 }
1018
1019 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
1020 {
1021     wxCHECK_RET( m_widget, wxT("invalid frame") );
1022
1023     m_deferShowAllowed = true;
1024
1025     // deal with the position first
1026     int old_x = m_x;
1027     int old_y = m_y;
1028
1029     if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1030     {
1031         // -1 means "use existing" unless the flag above is specified
1032         if ( x != -1 )
1033             m_x = x;
1034         if ( y != -1 )
1035             m_y = y;
1036     }
1037     else // wxSIZE_ALLOW_MINUS_ONE
1038     {
1039         m_x = x;
1040         m_y = y;
1041     }
1042
1043     if ( m_x != old_x || m_y != old_y )
1044     {
1045         gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
1046     }
1047
1048     const wxSize oldSize(m_width, m_height);
1049     if (width >= 0)
1050         m_width = width;
1051     if (height >= 0)
1052         m_height = height;
1053     ConstrainSize();
1054     if (m_width != oldSize.x || m_height != oldSize.y)
1055     {
1056         int w, h;
1057         GTKDoGetSize(&w, &h);
1058         gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1059
1060         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1061         wxSizeEvent event(GetSize(), GetId());
1062         event.SetEventObject(this);
1063         HandleWindowEvent(event);
1064     }
1065 }
1066
1067 void wxTopLevelWindowGTK::DoSetClientSize(int width, int height)
1068 {
1069     base_type::DoSetClientSize(width, height);
1070
1071     // Since client size is being explicitly set, don't change it later
1072     // Has to be done after calling base because it calls SetSize,
1073     // which sets this true
1074     m_deferShowAllowed = false;
1075 }
1076
1077 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
1078 {
1079     wxASSERT_MSG(m_widget, wxT("invalid frame"));
1080
1081     if ( IsIconized() )
1082     {
1083         // for consistency with wxMSW, client area is supposed to be empty for
1084         // the iconized windows
1085         if ( width )
1086             *width = 0;
1087         if ( height )
1088             *height = 0;
1089     }
1090     else
1091     {
1092         GTKDoGetSize(width, height);
1093     }
1094 }
1095
1096 void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
1097                                           int maxW, int maxH,
1098                                           int incW, int incH )
1099 {
1100     base_type::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
1101
1102     const wxSize minSize = GetMinSize();
1103     const wxSize maxSize = GetMaxSize();
1104     GdkGeometry hints;
1105     int hints_mask = 0;
1106     if (minSize.x > 0 || minSize.y > 0)
1107     {
1108         hints_mask |= GDK_HINT_MIN_SIZE;
1109         hints.min_width = minSize.x - m_decorSize.x;
1110         if (hints.min_width < 0)
1111             hints.min_width = 0;
1112         hints.min_height = minSize.y - m_decorSize.y;
1113         if (hints.min_height < 0)
1114             hints.min_height = 0;
1115     }
1116     if (maxSize.x > 0 || maxSize.y > 0)
1117     {
1118         hints_mask |= GDK_HINT_MAX_SIZE;
1119         hints.max_width = maxSize.x - m_decorSize.x;
1120         if (hints.max_width < 0)
1121             hints.max_width = INT_MAX;
1122         hints.max_height = maxSize.y - m_decorSize.y;
1123         if (hints.max_height < 0)
1124             hints.max_height = INT_MAX;
1125     }
1126     if (incW > 0 || incH > 0)
1127     {
1128         hints_mask |= GDK_HINT_RESIZE_INC;
1129         hints.width_inc  = incW > 0 ? incW : 1;
1130         hints.height_inc = incH > 0 ? incH : 1;
1131     }
1132     gtk_window_set_geometry_hints(
1133         (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
1134 }
1135
1136 void wxTopLevelWindowGTK::GTKUpdateDecorSize(const wxSize& decorSize)
1137 {
1138     if (!IsMaximized() && !IsFullScreen())
1139         GetCachedDecorSize() = decorSize;
1140     if (m_updateDecorSize && m_decorSize != decorSize)
1141     {
1142         const wxSize diff = decorSize - m_decorSize;
1143         m_decorSize = decorSize;
1144         bool resized = false;
1145         if (m_deferShow)
1146         {
1147             // keep overall size unchanged by shrinking m_widget
1148             int w, h;
1149             GTKDoGetSize(&w, &h);
1150             // but not if size would be less than minimum, it won't take effect
1151             const wxSize minSize = GetMinSize();
1152             if (w >= minSize.x && h >= minSize.y)
1153             {
1154                 gtk_window_resize(GTK_WINDOW(m_widget), w, h);
1155                 resized = true;
1156             }
1157         }
1158         if (!resized)
1159         {
1160             // adjust overall size to match change in frame extents
1161             m_width  += diff.x;
1162             m_height += diff.y;
1163             if (m_width  < 0) m_width  = 0;
1164             if (m_height < 0) m_height = 0;
1165             m_oldClientWidth = 0;
1166             gtk_widget_queue_resize(m_wxwindow);
1167         }
1168     }
1169     if (m_deferShow)
1170     {
1171         // gtk_widget_show() was deferred, do it now
1172         m_deferShow = false;
1173         GetClientSize(&m_oldClientWidth, &m_oldClientHeight);
1174         wxSizeEvent sizeEvent(GetSize(), GetId());
1175         sizeEvent.SetEventObject(this);
1176         HandleWindowEvent(sizeEvent);
1177
1178         gtk_widget_show(m_widget);
1179
1180         wxShowEvent showEvent(GetId(), true);
1181         showEvent.SetEventObject(this);
1182         HandleWindowEvent(showEvent);
1183     }
1184 }
1185
1186 wxSize& wxTopLevelWindowGTK::GetCachedDecorSize()
1187 {
1188     static wxSize size[8];
1189
1190     int index = 0;
1191     // title bar
1192     if (m_gdkDecor & (GDK_DECOR_MENU | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE | GDK_DECOR_TITLE))
1193         index = 1;
1194     // border
1195     if (m_gdkDecor & GDK_DECOR_BORDER)
1196         index |= 2;
1197     // utility window decor can be different
1198     if (m_windowStyle & wxFRAME_TOOL_WINDOW)
1199         index |= 4;
1200     return size[index];
1201 }
1202
1203 void wxTopLevelWindowGTK::OnInternalIdle()
1204 {
1205     wxTopLevelWindowBase::OnInternalIdle();
1206
1207     // Synthetize activate events.
1208     if ( g_sendActivateEvent != -1 )
1209     {
1210         bool activate = g_sendActivateEvent != 0;
1211
1212         // if (!activate) wxPrintf( wxT("de") );
1213         // wxPrintf( wxT("activate\n") );
1214
1215         // do it only once
1216         g_sendActivateEvent = -1;
1217
1218         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
1219     }
1220 }
1221
1222 // ----------------------------------------------------------------------------
1223 // frame title/icon
1224 // ----------------------------------------------------------------------------
1225
1226 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
1227 {
1228     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1229
1230     if ( title == m_title )
1231         return;
1232
1233     m_title = title;
1234
1235     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
1236 }
1237
1238 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
1239 {
1240     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1241
1242     base_type::SetIcons(icons);
1243
1244     // Setting icons before window is realized can cause a GTK assertion if
1245     // another TLW is realized before this one, and it has this one as it's
1246     // transient parent. The life demo exibits this problem.
1247     if (gtk_widget_get_realized(m_widget))
1248     {
1249         GList* list = NULL;
1250         for (size_t i = icons.GetIconCount(); i--;)
1251             list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
1252         gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1253         g_list_free(list);
1254     }
1255 }
1256
1257 // ----------------------------------------------------------------------------
1258 // frame state: maximized/iconized/normal
1259 // ----------------------------------------------------------------------------
1260
1261 void wxTopLevelWindowGTK::Maximize(bool maximize)
1262 {
1263     if (maximize)
1264         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1265     else
1266         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1267 }
1268
1269 bool wxTopLevelWindowGTK::IsMaximized() const
1270 {
1271     GdkWindow* window = gtk_widget_get_window(m_widget);
1272     return window && (gdk_window_get_state(window) & GDK_WINDOW_STATE_MAXIMIZED);
1273 }
1274
1275 void wxTopLevelWindowGTK::Restore()
1276 {
1277     // "Present" seems similar enough to "restore"
1278     gtk_window_present( GTK_WINDOW( m_widget ) );
1279 }
1280
1281 void wxTopLevelWindowGTK::Iconize( bool iconize )
1282 {
1283     if (iconize)
1284         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1285     else
1286         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1287 }
1288
1289 bool wxTopLevelWindowGTK::IsIconized() const
1290 {
1291     return m_isIconized;
1292 }
1293
1294 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1295 {
1296     if ( iconize != m_isIconized )
1297     {
1298         m_isIconized = iconize;
1299         (void)SendIconizeEvent(iconize);
1300     }
1301 }
1302
1303 void wxTopLevelWindowGTK::AddGrab()
1304 {
1305     if (!m_grabbed)
1306     {
1307         m_grabbed = true;
1308         gtk_grab_add( m_widget );
1309         wxGUIEventLoop().Run();
1310         gtk_grab_remove( m_widget );
1311     }
1312 }
1313
1314 void wxTopLevelWindowGTK::RemoveGrab()
1315 {
1316     if (m_grabbed)
1317     {
1318         gtk_main_quit();
1319         m_grabbed = false;
1320     }
1321 }
1322
1323
1324 // helper
1325 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1326 {
1327     if (window)
1328     {
1329         if (region.IsEmpty())
1330         {
1331             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1332         }
1333         else
1334         {
1335             gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1336             return true;
1337         }
1338     }
1339     return false;
1340 }
1341
1342
1343 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1344 {
1345     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), false,
1346                  wxT("Shaped windows must be created with the wxFRAME_SHAPED style."));
1347
1348     if ( gtk_widget_get_realized(m_widget) )
1349     {
1350         if ( m_wxwindow )
1351             do_shape_combine_region(gtk_widget_get_window(m_wxwindow), region);
1352
1353         return do_shape_combine_region(gtk_widget_get_window(m_widget), region);
1354     }
1355     else // not realized yet
1356     {
1357         // store the shape to set, it will be really set once we're realized
1358         m_shape = region;
1359
1360         // we don't know if we're going to succeed or fail, be optimistic by
1361         // default
1362         return true;
1363     }
1364 }
1365
1366 bool wxTopLevelWindowGTK::IsActive()
1367 {
1368     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1369 }
1370
1371 void wxTopLevelWindowGTK::RequestUserAttention(int flags)
1372 {
1373     bool new_hint_value = false;
1374
1375     // FIXME: This is a workaround to focus handling problem
1376     // If RequestUserAttention is called for example right after a wxSleep, OnInternalIdle
1377     // hasn't yet been processed, and the internal focus system is not up to date yet.
1378     // YieldFor(wxEVT_CATEGORY_UI) ensures the processing of it (hopefully it
1379     // won't have side effects) - MR
1380     wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);
1381
1382     if(m_urgency_hint >= 0)
1383         g_source_remove(m_urgency_hint);
1384
1385     m_urgency_hint = -2;
1386
1387     if( gtk_widget_get_realized(m_widget) && !IsActive() )
1388     {
1389         new_hint_value = true;
1390
1391         if (flags & wxUSER_ATTENTION_INFO)
1392         {
1393             m_urgency_hint = g_timeout_add(5000, (GSourceFunc)gtk_frame_urgency_timer_callback, this);
1394         } else {
1395             m_urgency_hint = -1;
1396         }
1397     }
1398
1399 #if GTK_CHECK_VERSION(2,7,0)
1400     if(!gtk_check_version(2,7,0))
1401         gtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1402     else
1403 #endif
1404         wxgtk_window_set_urgency_hint(GTK_WINDOW( m_widget ), new_hint_value);
1405 }
1406
1407 void wxTopLevelWindowGTK::SetWindowStyleFlag( long style )
1408 {
1409     // Store which styles were changed
1410     long styleChanges = style ^ m_windowStyle;
1411
1412     // Process wxWindow styles. This also updates the internal variable
1413     // Therefore m_windowStyle bits carry now the _new_ style values
1414     wxWindow::SetWindowStyleFlag(style);
1415
1416     // just return for now if widget does not exist yet
1417     if (!m_widget)
1418         return;
1419
1420     if ( styleChanges & wxSTAY_ON_TOP )
1421     {
1422         gtk_window_set_keep_above(GTK_WINDOW(m_widget),
1423                                   m_windowStyle & wxSTAY_ON_TOP);
1424     }
1425
1426     if ( styleChanges & wxFRAME_NO_TASKBAR )
1427     {
1428         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget),
1429                                          m_windowStyle & wxFRAME_NO_TASKBAR);
1430     }
1431 }
1432
1433 /* Get the X Window between child and the root window.
1434    This should usually be the WM managed XID */
1435 static Window wxGetTopmostWindowX11(Display *dpy, Window child)
1436 {
1437     Window root, parent;
1438     Window* children;
1439     unsigned int nchildren;
1440
1441     XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1442     XFree(children);
1443
1444     while (parent != root) {
1445         child = parent;
1446         XQueryTree(dpy, child, &root, &parent, &children, &nchildren);
1447         XFree(children);
1448     }
1449
1450     return child;
1451 }
1452
1453 bool wxTopLevelWindowGTK::SetTransparent(wxByte alpha)
1454 {
1455     GdkWindow* window = NULL;
1456     if (m_widget)
1457         window = gtk_widget_get_window(m_widget);
1458     if (window == NULL)
1459         return false;
1460
1461     Display* dpy = GDK_WINDOW_XDISPLAY(window);
1462     // We need to get the X Window that has the root window as the immediate parent
1463     // and m_widget->window as a child. This should be the X Window that the WM manages and
1464     // from which the opacity property is checked from.
1465     Window win = wxGetTopmostWindowX11(dpy, GDK_WINDOW_XID(window));
1466
1467
1468     // Using pure Xlib to not have a GTK version check mess due to gtk2.0 not having GdkDisplay
1469     if (alpha == 0xff)
1470         XDeleteProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False));
1471     else
1472     {
1473         long opacity = alpha * 0x1010101L;
1474         XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False),
1475                         XA_CARDINAL, 32, PropModeReplace,
1476                         (unsigned char *) &opacity, 1L);
1477     }
1478     XSync(dpy, False);
1479     return true;
1480 }
1481
1482 bool wxTopLevelWindowGTK::CanSetTransparent()
1483 {
1484     // allow to override automatic detection as it's far from perfect
1485     const wxString SYSOPT_TRANSPARENT = "gtk.tlw.can-set-transparent";
1486     if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
1487     {
1488         return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
1489     }
1490
1491 #if GTK_CHECK_VERSION(2,10,0)
1492     if (!gtk_check_version(2,10,0))
1493     {
1494         return (gtk_widget_is_composited (m_widget));
1495     }
1496     else
1497 #endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves
1498     {
1499         return false;
1500     }
1501
1502 #if 0 // Don't be optimistic here for the sake of wxAUI
1503     int opcode, event, error;
1504     // Check for the existence of a RGBA visual instead?
1505     return XQueryExtension(gdk_x11_get_default_xdisplay (),
1506                            "Composite", &opcode, &event, &error);
1507 #endif
1508 }