/*!
* \brief Parse _DiaObject from the given node
* Fill a GList* with objects which is to be put in a
* diagram or a group by the caller.
* Can be called recursively to allow groups in groups.
* This is only using the render branch of the file, if the
* object type is not registered with Dia. Otherwise the objects
* are just created from their type and properties.
* \ingroup DiaRenderScriptImport
*/
static GList*
read_items (xmlNodePtr startnode, DiaContext *ctx)
{
xmlNodePtr node;
GList *items = NULL;
for (node = startnode; node != NULL; node = node->next) {
if (xmlIsBlankNode(node))
continue;
if (node->type != XML_ELEMENT_NODE)
continue;
if (!xmlStrcmp(node->name, (const xmlChar *)"object")) {
xmlChar *sType = xmlGetProp(node, (const xmlChar *)"type");
const DiaObjectType *ot = object_get_type ((gchar *)sType);
xmlNodePtr props = NULL, render = NULL;
props = find_child_named (node, "properties");
render = find_child_named (node, "render");
if (ot && !ot->ops) {
GList *moreitems;
/* FIXME: 'render' is also the grouping element */
moreitems = read_items (render->children, ctx);
if (moreitems) {
DiaObject *group = group_create (moreitems);
/* apply group props, e.g. transform */
object_load_props (group, props, ctx);
/* group eats list */
items = g_list_append (items, group);
}
} else if (ot) {
Point startpoint = {0.0,0.0};
Handle *handle1,*handle2;
DiaObject *o;
o = ot->ops->create(&startpoint,
ot->default_user_data,
&handle1,&handle2);
if (o) {
object_load_props (o, props, ctx);
items = g_list_append (items, o);
}
} else if (render) {
DiaObject *o = _render_object (render, ctx);
if (o)
items = g_list_append (items, o);
} else {
g_debug ("DRS-Import: %s?", node->name);
}
} else {
g_debug ("DRS-Import: %s?", node->name);
}
}
return items;
}
static void _render_button(GRAPHICS_CONTROLLER *gc, BD_IG_BUTTON *button, BD_PG_PALETTE *palette,
int state, BOG_DATA *bog_data)
{
BD_PG_OBJECT *object = _find_object_for_button(gc->igs, button, state, bog_data);
if (!object) {
GC_TRACE("_render_button(#%d): object (state %d) not found\n", button->id, state);
_clear_bog_area(gc, bog_data);
return;
}
/* object already rendered ? */
if (bog_data->visible_object_id == object->id &&
bog_data->x == button->x_pos && bog_data->y == button->y_pos &&
bog_data->w == object->width && bog_data->h == object->height) {
GC_TRACE("skipping already rendered button #%d (object #%d at %d,%d %dx%d)\n",
button->id, object->id,
button->x_pos, button->y_pos, object->width, object->height);
return;
}
/* new object is smaller than already drawn one ? -> need to render background */
if (bog_data->w > object->width ||
bog_data->h > object->height) {
/* make sure we won't wipe other buttons */
unsigned ii, skip = 0;
for (ii = 0; &gc->bog_data[ii] != bog_data; ii++) {
if (_areas_overlap(bog_data, &gc->bog_data[ii]))
skip = 1;
/* FIXME: clean non-overlapping area */
}
GC_TRACE("object size changed, %sclearing background at %d,%d %dx%d\n",
skip ? " ** NOT ** " : "",
bog_data->x, bog_data->y, bog_data->w, bog_data->h);
if (!skip) {
_clear_bog_area(gc, bog_data);
}
}
GC_TRACE("render button #%d using object #%d at %d,%d %dx%d\n",
button->id, object->id,
button->x_pos, button->y_pos, object->width, object->height);
_render_object(gc, -1, BD_OVERLAY_IG,
button->x_pos, button->y_pos,
object, palette);
bog_data->x = button->x_pos;
bog_data->y = button->y_pos;
bog_data->w = object->width;
bog_data->h = object->height;
bog_data->visible_object_id = object->id;
gc->ig_drawn = 1;
gc->ig_dirty = 1;
}
