window.cpp

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    if (win->m_wxwindow)
    {
        GtkPizza *pizza = GTK_PIZZA(win->m_wxwindow);
        xx += pizza->xoffset;
        yy += pizza->yoffset;
    }

    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
    while (node)
    {
        wxWindowGTK *child = node->GetData();

        node = node->GetNext();
        if (!child->IsShown())
            continue;

        if (child->IsTransparentForMouse())
        {
            // wxStaticBox is transparent in the box itself
            int xx1 = child->m_x;
            int yy1 = child->m_y;
            int xx2 = child->m_x + child->m_width;
            int yy2 = child->m_y + child->m_height;

            // left
            if (((xx >= xx1) && (xx <= xx1+10) && (yy >= yy1) && (yy <= yy2)) ||
            // right
                ((xx >= xx2-10) && (xx <= xx2) && (yy >= yy1) && (yy <= yy2)) ||
            // top
                ((xx >= xx1) && (xx <= xx2) && (yy >= yy1) && (yy <= yy1+10)) ||
            // bottom
                ((xx >= xx1) && (xx <= xx2) && (yy >= yy2-1) && (yy <= yy2)))
            {
                win = child;
                x -= child->m_x;
                y -= child->m_y;
                break;
            }

        }
        else
        {
            if ((child->m_wxwindow == (GtkWidget*) NULL) &&
                (child->m_x <= xx) &&
                (child->m_y <= yy) &&
                (child->m_x+child->m_width  >= xx) &&
                (child->m_y+child->m_height >= yy))
            {
                win = child;
                x -= child->m_x;
                y -= child->m_y;
                break;
            }
        }
    }

    return win;
}

//-----------------------------------------------------------------------------
// "button_press_event"
//-----------------------------------------------------------------------------

extern "C" {
static gint gtk_window_button_press_callback( GtkWidget *widget,
                                              GdkEventButton *gdk_event,
                                              wxWindowGTK *win )
{
    DEBUG_MAIN_THREAD

    if (g_isIdle)
        wxapp_install_idle_handler();

/*
    wxPrintf( wxT("1) OnButtonPress from ") );
    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
        wxPrintf( win->GetClassInfo()->GetClassName() );
    wxPrintf( wxT(".\n") );
*/
    if (!win->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return TRUE;
    if (g_blockEventsOnScroll) return TRUE;

    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;

    if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
    {
        gtk_widget_grab_focus( win->m_wxwindow );
/*
        wxPrintf( wxT("GrabFocus from ") );
        if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
            wxPrintf( win->GetClassInfo()->GetClassName() );
        wxPrintf( wxT(".\n") );
*/
    }

    // GDK sends surplus button down event
    // before a double click event. We
    // need to filter these out.
    if (gdk_event->type == GDK_BUTTON_PRESS)
    {
        GdkEvent *peek_event = gdk_event_peek();
        if (peek_event)
        {
            if ((peek_event->type == GDK_2BUTTON_PRESS) ||
                (peek_event->type == GDK_3BUTTON_PRESS))
            {
                gdk_event_free( peek_event );
                return TRUE;
            }
            else
            {
                gdk_event_free( peek_event );
            }
        }
    }

    wxEventType event_type = wxEVT_NULL;

    // GdkDisplay is a GTK+ 2.2.0 thing
#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 2, 0)
    if ( gdk_event->type == GDK_2BUTTON_PRESS &&
            !gtk_check_version(2,2,0) &&
            gdk_event->button >= 1 && gdk_event->button <= 3 )
    {
        // Reset GDK internal timestamp variables in order to disable GDK
        // triple click events. GDK will then next time believe no button has
        // been clicked just before, and send a normal button click event.
        GdkDisplay* display = gtk_widget_get_display (widget);
        display->button_click_time[1] = 0;
        display->button_click_time[0] = 0;
    }
#endif // GTK 2+

    if (gdk_event->button == 1)
    {
        // note that GDK generates triple click events which are not supported
        // by wxWidgets but still have to be passed to the app as otherwise
        // clicks would simply go missing
        switch (gdk_event->type)
        {
            // we shouldn't get triple clicks at all for GTK2 because we
            // suppress them artificially using the code above but we still
            // should map them to something for GTK1 and not just ignore them
            // as this would lose clicks
            case GDK_3BUTTON_PRESS:     // we could also map this to DCLICK...
            case GDK_BUTTON_PRESS:
                event_type = wxEVT_LEFT_DOWN;
                break;

            case GDK_2BUTTON_PRESS:
                event_type = wxEVT_LEFT_DCLICK;
                break;

            default:
                // just to silence gcc warnings
                ;
        }
    }
    else if (gdk_event->button == 2)
    {
        switch (gdk_event->type)
        {
            case GDK_3BUTTON_PRESS:
            case GDK_BUTTON_PRESS:
                event_type = wxEVT_MIDDLE_DOWN;
                break;

            case GDK_2BUTTON_PRESS:
                event_type = wxEVT_MIDDLE_DCLICK;
                break;

            default:
                ;
        }
    }
    else if (gdk_event->button == 3)
    {
        switch (gdk_event->type)
        {
            case GDK_3BUTTON_PRESS:
            case GDK_BUTTON_PRESS:
                event_type = wxEVT_RIGHT_DOWN;
                break;

            case GDK_2BUTTON_PRESS:
                event_type = wxEVT_RIGHT_DCLICK;
                break;

            default:
                ;
        }
    }
    else if (gdk_event->button == 4 || gdk_event->button == 5)
    {
        if (gdk_event->type == GDK_BUTTON_PRESS )
        {
            event_type = wxEVT_MOUSEWHEEL;
        }
    }

    if ( event_type == wxEVT_NULL )
    {
        // unknown mouse button or click type
        return FALSE;
    }

    wxMouseEvent event( event_type );
    InitMouseEvent( win, event, gdk_event );

    AdjustEventButtonState(event);

    // wxListBox actually get mouse events from the item, so we need to give it
    // a chance to correct this
    win->FixUpMouseEvent(widget, event.m_x, event.m_y);

    // find the correct window to send the event too: it may be a different one
    // from the one which got it at GTK+ level because some control don't have
    // their own X window and thus cannot get any events.
    if ( !g_captureWindow )
        win = FindWindowForMouseEvent(win, event.m_x, event.m_y);

    gs_timeLastClick = gdk_event->time;

#ifndef __WXGTK20__
    if (event_type == wxEVT_LEFT_DCLICK)
    {
        // GTK 1.2 crashes when intercepting double
        // click events from both wxSpinButton and
        // wxSpinCtrl
        if (GTK_IS_SPIN_BUTTON(win->m_widget))
        {
            // Just disable this event for now.
            return FALSE;
        }
    }
#endif

    if (win->GetEventHandler()->ProcessEvent( event ))
    {
        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_press_event" );
        return TRUE;
    }

    if (event_type == wxEVT_RIGHT_DOWN)
    {
        // generate a "context menu" event: this is similar to right mouse
        // click under many GUIs except that it is generated differently
        // (right up under MSW, ctrl-click under Mac, right down here) and
        //
        // (a) it's a command event and so is propagated to the parent
        // (b) under some ports it can be generated from kbd too
        // (c) it uses screen coords (because of (a))
        wxContextMenuEvent evtCtx(
            wxEVT_CONTEXT_MENU,
            win->GetId(),
            win->ClientToScreen(event.GetPosition()));
        evtCtx.SetEventObject(win);
        return win->GetEventHandler()->ProcessEvent(evtCtx);
    }

    return FALSE;
}
}

//-----------------------------------------------------------------------------
// "button_release_event"
//-----------------------------------------------------------------------------

extern "C" {
static gint gtk_window_button_release_callback( GtkWidget *widget,
                                                GdkEventButton *gdk_event,
                                                wxWindowGTK *win )
{
    DEBUG_MAIN_THREAD

    if (g_isIdle)
        wxapp_install_idle_handler();

    if (!win->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return FALSE;
    if (g_blockEventsOnScroll) return FALSE;

    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;

    wxEventType event_type = wxEVT_NULL;

    switch (gdk_event->button)
    {
        case 1:
            event_type = wxEVT_LEFT_UP;
            break;

        case 2:
            event_type = wxEVT_MIDDLE_UP;
            break;

        case 3:
            event_type = wxEVT_RIGHT_UP;
            break;

        default:
            // unknwon button, don't process
            return FALSE;
    }

    wxMouseEvent event( event_type );
    InitMouseEvent( win, event, gdk_event );

    AdjustEventButtonState(event);

    // same wxListBox hack as above
    win->FixUpMouseEvent(widget, event.m_x, event.m_y);

    if ( !g_captureWindow )
        win = FindWindowForMouseEvent(win, event.m_x, event.m_y);

    if (win->GetEventHandler()->ProcessEvent( event ))
    {
        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_release_event" );
        return TRUE;
    }

    return FALSE;
}
}

//-----------------------------------------------------------------------------
// "motion_notify_event"
//-----------------------------------------------------------------------------

extern "C" {
static gint gtk_window_motion_notify_callback( GtkWidget *widget,
                                               GdkEventMotion *gdk_event,
                                               wxWindowGTK *win )
{
    DEBUG_MAIN_THREAD

    if (g_isIdle)
        wxapp_install_idle_handler();

    if (!win->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return FALSE;
    if (g_blockEventsOnScroll) return FALSE;

    if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;

    if (gdk_event->is_hint)
    {
        int x = 0;
        int y = 0;
        GdkModifierType state;
        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
        gdk_event->x = x;
        gdk_event->y = y;
    }

/*
    printf( "OnMotion from " );
    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
      printf( win->GetClassInfo()->GetClassName() );
    printf( ".\n" );
*/

    wxMouseEvent event( wxEVT_MOTION );
    InitMouseEvent(win, event, gdk_event);

    if ( g_captureWindow )
    {
        // synthetize a mouse enter or leave event if needed
        GdkWindow *winUnderMouse = gdk_window_at_pointer(NULL, NULL);
        // This seems to be necessary and actually been added to
        // GDK itself in version 2.0.X
        gdk_flush();

        bool hasMouse = winUnderMouse == gdk_event->window;
        if ( hasMouse != g_captureWindowHasMouse )
        {
            // the mouse changed window
            g_captureWindowHasMouse = hasMouse;

            wxMouseEvent event(g_captureWindowHasMouse ? wxEVT_ENTER_WINDOW
                                                       : wxEVT_LEAVE_WINDOW);
            InitMouseEvent(win, event, gdk_event);
            event.SetEventObject(win);
            win->GetEventHandler()->ProcessEvent(event);
        }
    }
    else // no capture
    {
        win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
    }
    
    if ( !g_captureWindow )
    {
        wxSetCursorEvent cevent( event.m_x, event.m_y );
        if (win->GetEventHandler()->ProcessEvent( cevent ))
        {