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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* List of "dynamic" (animated) objects, and their refresh rates
* Copyright (C) 2002 Cyrille Chépélov
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "dynamic_refresh.h"
#include "dynamic_obj.h"
#include "diagram.h"
#include "diagramdata.h"
#include "object_ops.h"
#include "app/connectionpoint_ops.h"
#include <glib.h>
static guint timeout = 0;
static guint idle_id = 0;
static guint timer_id = 0;
static void foreach_dynobj(DiaObject* obj, gpointer data) {
gboolean moved = FALSE;
GList* list = dia_open_diagrams();
while (list != NULL) {
Diagram* dia;
DiagramData* obj_ddata;
Layer* layer;
dia = (Diagram*)list->data;
list = g_list_next(list);
layer = dia_object_get_parent_layer(obj);
if (!layer) continue;
obj_ddata = layer_get_parent_diagram(layer);
if (!obj_ddata) continue;
if (dia->data == obj_ddata) {
if (!moved) {
obj->ops->move(obj,&obj->position);
moved = TRUE;
}
object_add_updates(obj,dia);
diagram_update_connections_object(dia,obj, TRUE);
}
}
}
static gboolean timer_handler(gpointer data) {
GList* list;
dynobj_list_foreach(foreach_dynobj,data);
list = dia_open_diagrams();
while (list != NULL) {
Diagram* dia = (Diagram*)list->data;
list = g_list_next(list);
diagram_flush(dia);
}
dynobj_refresh_kick();
return TRUE;
}
static gboolean idle_handler(gpointer data) {
guint new_timeout;
new_timeout = dynobj_list_get_dynobj_rate();
if (timeout != new_timeout) {
if (timer_id) {
gtk_timeout_remove(timer_id);
timer_id = 0;
}
timeout = new_timeout;
if (timeout) {
timer_id = gtk_timeout_add(timeout,timer_handler,NULL);
}
}
idle_id = 0;
return FALSE;
}
void dynobj_refresh_kick(void) {
if (!idle_id)
idle_id = gtk_idle_add_priority(GTK_PRIORITY_LOW,idle_handler,NULL);
}
void dynobj_refresh_init(void) {
/* NOP */
}
void dynobj_refresh_finish(void) {
if (timer_id) gtk_timeout_remove(timer_id);
if (idle_id) gtk_idle_remove(idle_id);
}
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