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Fix the zooming bug in the map window

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There are more events than scroll_up and scroll_down - and because of this
we could end up with target_lat and target_lon being uninitialized.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2013-01-27 16:57:48 -08:00
parent ae64abfbca
commit 075aba8f7d
1 changed files with 2 additions and 6 deletions
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8
gps.c
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@ -59,6 +59,7 @@ static gboolean scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer dat
osm_gps_map_point_get_degrees(target, &target_lat, &target_lon);
osm_gps_map_zoom_in(map);
osm_gps_map_set_center(map, target_lat, target_lon);
} else if (event->direction == GDK_SCROLL_DOWN) {
if(zoom == min_zoom)
return TRUE;
@ -70,13 +71,8 @@ static gboolean scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer dat
osm_gps_map_point_get_degrees(target, &target_lat, &target_lon);
osm_gps_map_zoom_out(map);
osm_gps_map_set_center(map, target_lat, target_lon);
}
/* There is no OSM interface to do this afaik. Hack something together */
/* set_map_pt_at_xy(map, pt, event->x, event->y); */
osm_gps_map_set_center(map, target_lat, target_lon);
/* don't allow the insane default handler to get its hands on this event */
return TRUE;
}