#include "wx/gtk/private.h"
#include "wx/evtloop.h"
+#include "wx/sysopt.h"
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
GdkEvent *WXUNUSED(event),
wxTopLevelWindowGTK *win )
{
- // don't need to install idle handler, its done from "event" signal
-
switch ( g_sendActivateEvent )
{
case -1:
GdkEventFocus *WXUNUSED(gdk_event),
wxTopLevelWindowGTK *win )
{
- // don't need to install idle handler, its done from "event" signal
-
// if the focus goes out of our app alltogether, OnIdle() will send
// wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
// g_sendActivateEvent to -1
}
}
-//-----------------------------------------------------------------------------
-// "focus" from m_window
-//-----------------------------------------------------------------------------
-
-extern "C" {
-static gboolean gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
-{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- // This disables GTK's tab traversal
- g_signal_stop_emission_by_name (widget, "focus");
- return TRUE;
-}
-}
-
//-----------------------------------------------------------------------------
// "size_allocate"
//-----------------------------------------------------------------------------
extern "C" {
static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxTopLevelWindowGTK *win )
{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
if (!win->m_hasVMT)
return;
(int)alloc->height );
*/
+ // Tell the wxWindow class about the new size
win->m_width = alloc->width;
win->m_height = alloc->height;
+
win->GtkUpdateSize();
}
}
}
+// ----------------------------------------------------------------------------
+// "size_request"
+// ----------------------------------------------------------------------------
+
+extern "C" {
+void wxgtk_tlw_size_request_callback(GtkWidget * WXUNUSED(widget),
+ GtkRequisition *requisition,
+ wxTopLevelWindowGTK *win)
+{
+ // we must return the size of the window without WM decorations, otherwise
+ // GTK+ gets confused, so don't call just GetSize() here
+ int w, h;
+ win->GTKDoGetSize(&w, &h);
+
+ requisition->height = h;
+ requisition->width = w;
+}
+}
//-----------------------------------------------------------------------------
// "delete_event"
//-----------------------------------------------------------------------------
GdkEvent *WXUNUSED(event),
wxTopLevelWindowGTK *win )
{
- // don't need to install idle handler, its done from "event" signal
-
if (win->IsEnabled() &&
(g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
win->IsGrabbed()))
extern "C" {
static gboolean
-gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget),
+gtk_frame_configure_callback( GtkWidget* widget,
GdkEventConfigure *WXUNUSED(event),
wxTopLevelWindowGTK *win )
{
- // don't need to install idle handler, its done from "event" signal
-
if (!win->m_hasVMT || !win->IsShown())
return FALSE;
+ wxPoint point;
+ gtk_window_get_position((GtkWindow*)widget, &point.x, &point.y);
- int x = 0;
- int y = 0;
- gdk_window_get_root_origin( win->m_widget->window, &x, &y );
- win->m_x = x;
- win->m_y = y;
-
- wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
+ win->m_x = point.x;
+ win->m_y = point.y;
+ wxMoveEvent mevent(point, win->GetId());
mevent.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( mevent );
gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
wxTopLevelWindowGTK *win )
{
- if (g_isIdle)
- wxapp_install_idle_handler();
-
// All this is for Motif Window Manager "hints" and is supposed to be
// recognized by other WM as well. Not tested.
gdk_window_set_decorations(win->m_widget->window,
// reset the icon
wxIconBundle iconsOld = win->GetIcons();
- if ( iconsOld.GetIcon(-1).Ok() )
+ if ( !iconsOld.IsEmpty() )
{
win->SetIcon( wxNullIcon );
win->SetIcons( iconsOld );
//-----------------------------------------------------------------------------
extern "C" {
-static void
+static gboolean
gtk_frame_map_callback( GtkWidget * WXUNUSED(widget),
GdkEvent * WXUNUSED(event),
wxTopLevelWindow *win )
{
win->SetIconizeState(false);
+ return false;
}
}
//-----------------------------------------------------------------------------
extern "C" {
-static void
+static gboolean
gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
GdkEvent * WXUNUSED(event),
wxTopLevelWindow *win )
{
win->SetIconizeState(true);
+ return false;
}
}
}
}
-// ----------------------------------------------------------------------------
-// wxTopLevelWindowGTK itself
-// ----------------------------------------------------------------------------
-
-//-----------------------------------------------------------------------------
-// InsertChild for wxTopLevelWindowGTK
-//-----------------------------------------------------------------------------
-
-/* Callback for wxTopLevelWindowGTK. This very strange beast has to be used because
- * C++ has no virtual methods in a constructor. We have to emulate a
- * virtual function here as wxWidgets requires different ways to insert
- * a child in container classes. */
-
-static void wxInsertChildInTopLevelWindow( wxTopLevelWindowGTK* parent, wxWindow* child )
-{
- wxASSERT( GTK_IS_WIDGET(child->m_widget) );
-
- if (!parent->m_insertInClientArea)
- {
- // these are outside the client area
- wxTopLevelWindowGTK* frame = (wxTopLevelWindowGTK*) parent;
- gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
- GTK_WIDGET(child->m_widget),
- child->m_x,
- child->m_y,
- child->m_width,
- child->m_height );
- }
- else
- {
- // these are inside the client area
- gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
- GTK_WIDGET(child->m_widget),
- child->m_x,
- child->m_y,
- child->m_width,
- child->m_height );
- }
-}
-
// ----------------------------------------------------------------------------
// wxTopLevelWindowGTK creation
// ----------------------------------------------------------------------------
m_miniEdge = 0;
m_miniTitle = 0;
m_mainWidget = (GtkWidget*) NULL;
- m_insertInClientArea = true;
m_isIconized = false;
m_fsIsShowing = false;
m_themeEnabled = true;
wxTopLevelWindows.Append( this );
- m_needParent = false;
-
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
{
m_title = title;
- m_insertCallback = (wxInsertChildFunction) wxInsertChildInTopLevelWindow;
-
// NB: m_widget may be !=NULL if it was created by derived class' Create,
// e.g. in wxTaskBarIconAreaGTK
if (m_widget == NULL)
g_signal_connect (m_widget, "size_allocate",
G_CALLBACK (gtk_frame_size_callback), this);
+ g_signal_connect (m_widget, "size_request",
+ G_CALLBACK (wxgtk_tlw_size_request_callback), this);
PostCreation();
if ((m_x != -1) || (m_y != -1))
g_signal_connect (m_widget, "unmap_event",
G_CALLBACK (gtk_frame_unmap_callback), this);
- // the only way to get the window size is to connect to this event
+ // for wxMoveEvent
g_signal_connect (m_widget, "configure_event",
G_CALLBACK (gtk_frame_configure_callback), this);
- // disable native tab traversal
- g_signal_connect (m_widget, "focus",
- G_CALLBACK (gtk_frame_focus_callback), this);
-
// activation
g_signal_connect_after (m_widget, "focus_in_event",
G_CALLBACK (gtk_frame_focus_in_callback), this);
{
m_gdkDecor = 0;
m_gdkFunc = 0;
-
+
if ((style & wxRESIZE_BORDER) != 0)
m_gdkFunc |= GDK_FUNC_RESIZE;
}
g_lastActiveFrame = NULL;
}
+bool wxTopLevelWindowGTK::EnableCloseButton( bool enable )
+{
+ if (enable)
+ m_gdkFunc |= GDK_FUNC_CLOSE;
+ else
+ m_gdkFunc &= ~GDK_FUNC_CLOSE;
+ if (GTK_WIDGET_REALIZED(m_widget) && (m_widget->window))
+ gdk_window_set_functions( m_widget->window, (GdkWMFunction)m_gdkFunc );
-bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long style )
+ return true;
+}
+
+bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long)
{
if (show == m_fsIsShowing)
return false; // return what?
if (show)
{
- m_fsSaveFlag = style;
GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
// documented behaviour is to show the window if it's still hidden when
// showing it full screen
- if ( show && !IsShown() )
+ if (show)
Show();
return true;
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
if (show == IsShown())
- return true;
+ return false;
if (show && !m_sizeSet)
{
much ugly flicker or from within the size_allocate
handler, because GTK 1.1.X forbids that. */
- GtkOnSize( m_x, m_y, m_width, m_height );
+ GtkOnSize();
}
- // This seems no longer to be needed and the call
- // itself is deprecated.
- //
- //if (show)
- // gtk_widget_set_uposition( m_widget, m_x, m_y );
+ wxTopLevelWindowBase::Show(show);
+
+ if (!show)
+ {
+ // make sure window has a non-default position, so when it is shown
+ // again, it won't be repositioned by WM as if it were a new window
+ // Note that this must be done _after_ the window is hidden.
+ gtk_window_move((GtkWindow*)m_widget, m_x, m_y);
+ }
- return wxWindow::Show( show );
+ return true;
}
void wxTopLevelWindowGTK::Raise()
wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
}
-void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
-{
- wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
+// ----------------------------------------------------------------------------
+// window geometry
+// ----------------------------------------------------------------------------
- // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
- wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
+void wxTopLevelWindowGTK::GTKDoGetSize(int *width, int *height) const
+{
+ return wxTopLevelWindowBase::DoGetSize(width, height);
+}
+void wxTopLevelWindowGTK::GTKDoSetSize(int width, int height)
+{
// avoid recursions
if (m_resizing)
return;
m_resizing = true;
- int old_x = m_x;
- int old_y = m_y;
-
int old_width = m_width;
int old_height = m_height;
- if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
+ if ( width != -1 )
+ m_width = width;
+ if ( height != -1 )
+ m_height = height;
+
+ ConstrainSize();
+
+ if ( m_width != old_width || m_height != old_height )
{
- if (x != -1) m_x = x;
- if (y != -1) m_y = y;
+ gtk_window_resize( GTK_WINDOW(m_widget), m_width, m_height );
+
+ /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
+ done either directly before the frame is shown or in idle time
+ so that different calls to SetSize() don't lead to flicker. */
+ m_sizeSet = false;
}
- else
+
+ m_resizing = false;
+}
+
+void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
+{
+ wxCHECK_RET( m_widget, wxT("invalid frame") );
+
+ // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
+ wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
+
+
+ // deal with the position first
+ int old_x = m_x;
+ int old_y = m_y;
+
+ if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
+ {
+ // -1 means "use existing" unless the flag above is specified
+ if ( x != -1 )
+ m_x = x;
+ if ( y != -1 )
+ m_y = y;
+ }
+ else // wxSIZE_ALLOW_MINUS_ONE
{
m_x = x;
m_y = y;
}
- if (width != -1) m_width = width;
- if (height != -1) m_height = height;
-/*
- if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
+ if ( m_x != old_x || m_y != old_y )
{
- if (width == -1) m_width = 80;
+ gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
}
- if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
+
+ // and now change the size: as we want to set the size of the entire
+ // window, including decorations, we must adjust the size passed to
+ // GTKDoSetSize() which takes with the size of undecorated frame only
+ if ( width != -1 || height != -1 )
{
- if (height == -1) m_height = 26;
+ int wTotal,
+ hTotal;
+ DoGetSize(&wTotal, &hTotal);
+
+ int wUndec,
+ hUndec;
+ GTKDoGetSize(&wUndec, &hUndec);
+
+ if ( width != -1 )
+ width -= wTotal - wUndec;
+ if ( height != -1 )
+ height -= hTotal - hUndec;
}
-*/
- int minWidth = GetMinWidth(),
- minHeight = GetMinHeight(),
- maxWidth = GetMaxWidth(),
- maxHeight = GetMaxHeight();
-
-#ifdef __WXGPE__
- // GPE's window manager doesn't like size hints
- // at all, esp. when the user has to use the
- // virtual keyboard.
- minWidth = -1;
- minHeight = -1;
- maxWidth = -1;
- maxHeight = -1;
-#endif
+ GTKDoSetSize(width, height);
+}
- if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
- if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
- if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
- if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
+void wxTopLevelWindowGTK::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_widget, wxT("invalid frame") );
- if ((m_x != -1) || (m_y != -1))
+ if ( !m_widget->window )
{
- if ((m_x != old_x) || (m_y != old_y))
- {
- gtk_widget_set_uposition( m_widget, m_x, m_y );
- }
+ // this can happen if we're called before the window is realized, so
+ // don't assert but just return the stored values
+ GTKDoGetSize(width, height);
+ return;
}
- if ((m_width != old_width) || (m_height != old_height))
- {
- if (m_widget->window)
- gdk_window_resize( m_widget->window, m_width, m_height );
- else
- gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
-
- /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
- done either directly before the frame is shown or in idle time
- so that different calls to SetSize() don't lead to flicker. */
- m_sizeSet = false;
- }
+ GdkRectangle rect;
+ gdk_window_get_frame_extents(m_widget->window, &rect);
- m_resizing = false;
+ if ( width )
+ *width = rect.width;
+ if ( height )
+ *height = rect.height;
}
void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
{
+ if ( IsIconized() )
+ {
+ // for consistency with wxMSW, client area is supposed to be empty for
+ // the iconized windows
+ if ( width )
+ *width = 0;
+ if ( height )
+ *height = 0;
+
+ return;
+ }
+
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
- wxWindow::DoGetClientSize( width, height );
if (height)
{
- // mini edge
- *height -= m_miniEdge*2 + m_miniTitle;
+ *height = m_height - 2 * m_miniEdge - m_miniTitle;
+ if (*height < 0)
+ *height = 0;
}
if (width)
{
- *width -= m_miniEdge*2;
+ *width = m_width - 2 * m_miniEdge;
+ if (*width < 0)
+ *width = 0;
}
}
-void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
+void wxTopLevelWindowGTK::DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int incW, int incH )
{
- wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
+ wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH );
- DoSetSize(-1, -1,
- width + m_miniEdge*2, height + m_miniEdge*2 + m_miniTitle, 0);
+ const wxSize minSize = GetMinSize();
+ const wxSize maxSize = GetMaxSize();
+ GdkGeometry hints;
+ int hints_mask = 0;
+ if (minSize.x > 0 || minSize.y > 0)
+ {
+ hints_mask |= GDK_HINT_MIN_SIZE;
+ hints.min_width = minSize.x > 0 ? minSize.x : 0;
+ hints.min_height = minSize.y > 0 ? minSize.y : 0;
+ }
+ if (maxSize.x > 0 || maxSize.y > 0)
+ {
+ hints_mask |= GDK_HINT_MAX_SIZE;
+ hints.max_width = maxSize.x > 0 ? maxSize.x : INT_MAX;
+ hints.max_height = maxSize.y > 0 ? maxSize.y : INT_MAX;
+ }
+ if (incW > 0 || incH > 0)
+ {
+ hints_mask |= GDK_HINT_RESIZE_INC;
+ hints.width_inc = incW > 0 ? incW : 1;
+ hints.height_inc = incH > 0 ? incH : 1;
+ }
+ gtk_window_set_geometry_hints(
+ (GtkWindow*)m_widget, NULL, &hints, (GdkWindowHints)hints_mask);
}
-void wxTopLevelWindowGTK::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
- int width, int height )
-{
- // due to a bug in gtk, x,y are always 0
- // m_x = x;
- // m_y = y;
+void wxTopLevelWindowGTK::GtkOnSize()
+{
// avoid recursions
if (m_resizing) return;
m_resizing = true;
if ( m_wxwindow == NULL ) return;
- m_width = width;
- m_height = height;
-
- /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
- wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
- set in wxFrame::Create so it is used to check what kind of frame we
- have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
- skip the part which handles m_frameMenuBar, m_frameToolBar and (most
- importantly) m_mainWidget */
-
- int minWidth = GetMinWidth(),
- minHeight = GetMinHeight(),
- maxWidth = GetMaxWidth(),
- maxHeight = GetMaxHeight();
-
-#ifdef __WXGPE__
- // GPE's window manager doesn't like size hints
- // at all, esp. when the user has to use the
- // virtual keyboard.
- minWidth = -1;
- minHeight = -1;
- maxWidth = -1;
- maxHeight = -1;
-#endif
-
- if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
- if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
- if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
- if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
+ ConstrainSize();
if (m_mainWidget)
{
- // set size hints
- gint flag = 0; // GDK_HINT_POS;
- GdkGeometry geom;
-
- if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
- if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
-
- geom.min_width = minWidth;
- geom.min_height = minHeight;
-
- // Because of the way we set GDK_HINT_MAX_SIZE above, if either of
- // maxHeight or maxWidth is set, we must set them both, else the
- // remaining -1 will be taken literally.
-
- // I'm certain this also happens elsewhere, and is the probable
- // cause of other such things as:
- // Gtk-WARNING **: gtk_widget_size_allocate():
- // attempt to allocate widget with width 65535 and height 600
- // but I don't have time to track them all now..
- //
- // Really we need to encapulate all this height/width business and
- // stop any old method from ripping at the members directly and
- // scattering -1's without regard for who might resolve them later.
-
- geom.max_width = ( maxHeight == -1 ) ? maxWidth
- : ( maxWidth == -1 ) ? wxGetDisplaySize().GetWidth()
- : maxWidth ;
-
- geom.max_height = ( maxWidth == -1 ) ? maxHeight // ( == -1 here )
- : ( maxHeight == -1 ) ? wxGetDisplaySize().GetHeight()
- : maxHeight ;
-
- gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
- (GtkWidget*) NULL,
- &geom,
- (GdkWindowHints) flag );
-
- /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
- * menubar, the toolbar and the client area, which is represented by
- * m_wxwindow.
- * this hurts in the eye, but I don't want to call SetSize()
- * because I don't want to call any non-native functions here. */
-
- int client_x = m_miniEdge;
- int client_y = m_miniEdge + m_miniTitle;
- int client_w = m_width - 2*m_miniEdge;
- int client_h = m_height - 2*m_miniEdge - m_miniTitle;
-
gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
m_wxwindow,
- client_x, client_y, client_w, client_h );
- }
- else
- {
- // If there is no m_mainWidget between m_widget and m_wxwindow there
- // is no need to set the size or position of m_wxwindow.
+ 0, 0, m_width, m_height);
}
m_sizeSet = true;
{
if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
{
- GtkOnSize( m_x, m_y, m_width, m_height );
+ GtkOnSize();
// we'll come back later
- if (g_isIdle)
- wxapp_install_idle_handler();
return;
}
gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
}
-void wxTopLevelWindowGTK::SetIcon( const wxIcon &icon )
-{
- SetIcons( wxIconBundle( icon ) );
-}
-
void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
wxTopLevelWindowBase::SetIcons( icons );
GList *list = NULL;
- size_t max = icons.m_icons.GetCount();
- for (size_t i = 0; i < max; i++)
+ const size_t numIcons = icons.GetIconCount();
+ for ( size_t i = 0; i < numIcons; i++ )
{
- if (icons.m_icons[i].Ok())
- {
- list = g_list_prepend(list, icons.m_icons[i].GetPixbuf());
- }
+ list = g_list_prepend(list, icons.GetIconByIndex(i).GetPixbuf());
}
+
gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
g_list_free(list);
}
{
m_grabbed = true;
gtk_grab_add( m_widget );
- wxEventLoop().Run();
+ wxGUIEventLoop().Run();
gtk_grab_remove( m_widget );
}
}
bool wxTopLevelWindowGTK::CanSetTransparent()
{
+ // allow to override automatic detection as it's far from perfect
+ static const wxChar *SYSOPT_TRANSPARENT = wxT("gtk.tlw.can-set-transparent");
+ if ( wxSystemOptions::HasOption(SYSOPT_TRANSPARENT) )
+ {
+ return wxSystemOptions::GetOptionInt(SYSOPT_TRANSPARENT) != 0;
+ }
+
#if GTK_CHECK_VERSION(2,10,0)
if (!gtk_check_version(2,10,0))
{
- if (gtk_widget_is_composited (m_widget))
- return true;
+ return (gtk_widget_is_composited (m_widget));
}
else
#endif // In case of lower versions than gtk+-2.10.0 we could look for _NET_WM_CM_Sn ourselves