static void
remove_control_item(HippoCanvasContextWin *canvas_win,
HippoCanvasItem *item)
{
RegisteredControlItem *citem;
GSList *link;
citem = NULL;
for (link = canvas_win->control_items;
link != NULL;
link = link->next) {
citem = (RegisteredControlItem*) link->data;
if (citem->item == item)
break;
}
if (link == NULL) {
g_warning("removing a not-registered control item");
return;
}
canvas_win->control_items = g_slist_remove(canvas_win->control_items, citem);
g_signal_handlers_disconnect_by_func(G_OBJECT(citem->item),
G_CALLBACK(on_item_control_changed),
canvas_win);
clear_control(citem);
g_object_unref(citem->item);
g_free(citem);
}
int
InitScreen()
{
char *sb_dev, *driver;
printnbits();
sb_dev = getenv("SB_OUTDEV");
if(!sb_dev) sb_dev = getenv("OUTDEV");
if(!sb_dev) sb_dev = "/dev/crt1";
driver = getenv("SB_OUTDRIVER");
if(!driver) driver = getenv("OUTDRIVER");
if (!driver ) driver = "hp98731";
fildes = gopen(sb_dev,OUTDEV,driver,INIT|INT_XFORM);
interior_style(fildes,INT_SOLID,FALSE);
intvdc_extent(fildes,0,0,SIZE, SIZE);
mapping_mode(fildes,FALSE);
drawing_mode(fildes,6); /* xor mode */
clear_control(fildes, CLEAR_VIEWPORT);
fill_color(fildes, 1.0, 1.0, 1.0);
return(fildes);
}
static void
update_control(HippoCanvasContextWin *canvas_win,
RegisteredControlItem *citem)
{
HippoAbstractControl *new_control;
new_control = NULL;
g_object_get(G_OBJECT(citem->item), "control", &new_control, NULL);
if (new_control == citem->control)
return;
if (new_control) {
new_control->AddRef();
new_control->setParent(canvas_win->canvas);
new_control->setCanvasItem(G_OBJECT(citem->item));
}
clear_control(citem);
citem->control = new_control;
}