JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics_dispose
(JNIEnv *env, jobject obj)
{
struct graphics *g;
g = (struct graphics *) NSA_DEL_PTR (env, obj);
if (!g) return; /* dispose has been called more than once */
gdk_threads_enter ();
XFlush (GDK_DISPLAY ());
gdk_gc_destroy (g->gc);
if (GDK_STABLE_IS_PIXMAP (g->drawable))
gdk_pixmap_unref (g->drawable);
else /* GDK_IS_WINDOW (g->drawable) */
gdk_window_unref (g->drawable);
gdk_colormap_unref (g->cm);
gdk_threads_leave ();
free (g);
}
CLIP_DLLEXPORT int
gdk_object_window_destructor(ClipMachine *cm, C_object *cwin)
{
if (cwin && GDK_IS_WINDOW(cwin) && cwin->ref_count >= 0)
gdk_window_unref(GDK_WINDOW(cwin->object));
return 0;
}
static void
gtk_plot_gdk_finalize (GtkObject *object)
{
gdk_window_unref(GTK_PLOT_GDK(object)->window);
if(GTK_PLOT_GDK(object)->ref_count > 0 && GTK_PLOT_GDK(object)->gc)
gdk_gc_destroy(GTK_PLOT_GDK(object)->gc);
}
void gdk_event_free(GdkEvent * event)
{
g_return_if_fail(event != NULL);
g_assert(event_chunk != NULL); /* paranoid */
if ((event->any.window) && (event->type != GDK_DESTROY))
gdk_window_unref(event->any.window);
switch (event->any.type) {
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
g_free(event->key.string);
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
if (event->crossing.subwindow != NULL)
gdk_window_unref(event->crossing.subwindow);
break;
case GDK_DRAG_ENTER:
case GDK_DRAG_LEAVE:
case GDK_DRAG_MOTION:
case GDK_DRAG_STATUS:
case GDK_DROP_START:
case GDK_DROP_FINISHED:
gdk_drag_context_unref(event->dnd.context);
break;
default:
break;
}
g_mem_chunk_free(event_chunk, event);
}
void
gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
{
GtkWidget *widget;
XEvent xevent;
XID win;
gint x,y,w,h,border;
widget = GTK_WIDGET (pizza);
pizza->xoffset += dx;
pizza->yoffset += dy;
if (!GTK_WIDGET_MAPPED (pizza))
{
gtk_pizza_position_children (pizza);
return;
}
gtk_pizza_adjust_allocations (pizza, -dx, -dy);
if (pizza->shadow_type == GTK_MYSHADOW_NONE)
border = 0;
else
if (pizza->shadow_type == GTK_MYSHADOW_THIN)
border = 1;
else
border = 2;
x = 0;
y = 0;
w = widget->allocation.width - 2*border;
h = widget->allocation.height - 2*border;
if (dx > 0)
{
if (gravity_works)
{
gdk_window_resize (pizza->bin_window,
w + dx,
h);
gdk_window_move (pizza->bin_window, x-dx, y);
gdk_window_move_resize (pizza->bin_window, x, y, w, h );
}
else
{
/* FIXME */
}
}
else if (dx < 0)
{
if (gravity_works)
{
gdk_window_move_resize (pizza->bin_window,
x + dx,
y,
w - dx,
h);
gdk_window_move (pizza->bin_window, x, y);
gdk_window_resize (pizza->bin_window, w, h );
}
else
{
/* FIXME */
}
}
if (dy > 0)
{
if (gravity_works)
{
gdk_window_resize (pizza->bin_window, w, h + dy);
gdk_window_move (pizza->bin_window, x, y-dy);
gdk_window_move_resize (pizza->bin_window,
x, y, w, h );
}
else
{
/* FIXME */
}
}
else if (dy < 0)
{
if (gravity_works)
{
gdk_window_move_resize (pizza->bin_window,
x, y+dy, w, h - dy );
gdk_window_move (pizza->bin_window, x, y);
gdk_window_resize (pizza->bin_window, w, h );
}
else
{
/* FIXME */
}
}
gtk_pizza_position_children (pizza);
gdk_flush();
win = GDK_WINDOW_XWINDOW (pizza->bin_window);
while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
&xevent,
gtk_pizza_expose_predicate,
(XPointer)&win))
{
GdkEvent event;
GtkWidget *event_widget;
if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) )
gtk_pizza_filter (&xevent, &event, pizza);
if (xevent.type == Expose)
{
event.expose.window = gdk_window_lookup (xevent.xany.window);
gdk_window_get_user_data (event.expose.window,
(gpointer *)&event_widget);
if (event_widget)
{
event.expose.type = GDK_EXPOSE;
event.expose.area.x = xevent.xexpose.x;
event.expose.area.y = xevent.xexpose.y;
event.expose.area.width = xevent.xexpose.width;
event.expose.area.height = xevent.xexpose.height;
event.expose.count = xevent.xexpose.count;
gdk_window_ref (event.expose.window);
gtk_widget_event (event_widget, &event);
gdk_window_unref (event.expose.window);
}
}
}
}
