void a_geonames_search(VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp)
{
VikCoord new_center;
gchar *s_str;
gboolean more = TRUE;
int ret;
do {
s_str = a_prompt_for_search_string(vw);
if ((!s_str) || (s_str[0] == 0)) {
more = FALSE;
}
else {
ret = geonames_search_get_coord(vw, vvp, s_str, &new_center);
if (ret == 1) {
vik_viewport_set_center_coord(vvp, &new_center);
vik_layers_panel_emit_update(vlp);
more = FALSE;
}
else {
if (ret == 3) {
if (!prompt_try_again(vw)) {
more = FALSE;
}
}
}
}
if (s_str) {
g_free(s_str);
}
} while (more);
}
void a_vik_goto(VikWindow *vw, VikViewport *vvp)
{
VikCoord new_center;
gchar *s_str;
gboolean more = TRUE;
if (goto_tools_list == NULL)
{
/* Empty list */
display_no_tool(vw);
return;
}
do {
s_str = a_prompt_for_goto_string(vw);
if ((!s_str) || (s_str[0] == 0)) {
more = FALSE;
}
else if (!vik_goto_tool_get_coord(g_list_nth_data (goto_tools_list, last_goto_tool), vw, vvp, s_str, &new_center)) {
if (last_coord)
g_free(last_coord);
last_coord = g_malloc(sizeof(VikCoord));
*last_coord = new_center;
if (last_successful_goto_str)
g_free(last_successful_goto_str);
last_successful_goto_str = g_strdup(last_goto_str);
vik_viewport_set_center_coord(vvp, &new_center, TRUE);
more = FALSE;
}
else if (!prompt_try_again(vw))
more = FALSE;
g_free(s_str);
} while (more);
}
static void trw_layer_waypoint_view ( menu_array_values values )
{
VikTrwLayer *vtl = VIK_TRW_LAYER(values[MA_VTL]);
VikWaypoint *wpt = VIK_WAYPOINT(values[MA_WPT]);
VikViewport *vvp = VIK_VIEWPORT(values[MA_VVP]);
vik_viewport_set_center_coord ( vvp, &(wpt->coord), TRUE );
trw_layer_waypoint_select (values);
vik_layer_emit_update ( VIK_LAYER(vtl) );
}
static void goto_center_ll ( VikViewport *vp,
struct LatLon ll_tl,
struct LatLon ll_br )
{
VikCoord vc_center;
struct LatLon ll_center;
ll_center.lat = (ll_tl.lat + ll_br.lat) / 2.0;
ll_center.lon = (ll_tl.lon + ll_br.lon) / 2.0;
vik_coord_load_from_latlon ( &vc_center, vik_viewport_get_coord_mode (vp), &ll_center );
vik_viewport_set_center_coord ( vp, &vc_center, TRUE );
}
void vik_viewport_set_center_screen ( VikViewport *vvp, int x, int y )
{
g_return_if_fail ( vvp != NULL );
if ( vvp->coord_mode == VIK_COORD_UTM ) {
/* slightly optimized */
vvp->center.east_west += vvp->xmpp * (x - (vvp->width/2));
vvp->center.north_south += vvp->ympp * ((vvp->height/2) - y);
viewport_utm_zone_check ( vvp );
} else {
VikCoord tmp;
vik_viewport_screen_to_coord ( vvp, x, y, &tmp );
vik_viewport_set_center_coord ( vvp, &tmp );
}
}
static void georef_layer_goto_center ( gpointer vgl_vlp[2] )
{
VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( vgl_vlp[0] );
VikViewport *vp = vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1]));
struct UTM utm;
VikCoord coord;
vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm );
utm.easting = vgl->corner.easting + (vgl->width * vgl->mpp_easting / 2); /* only an approximation */
utm.northing = vgl->corner.northing - (vgl->height * vgl->mpp_northing / 2);
vik_coord_load_from_utm ( &coord, vik_viewport_get_coord_mode ( vp ), &utm );
vik_viewport_set_center_coord ( vp, &coord );
vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) );
}
void a_vik_goto(VikWindow *vw, VikViewport *vvp)
{
VikCoord new_center;
gchar *s_str;
gboolean more = TRUE;
if (goto_tools_list == NULL)
{
/* Empty list */
display_no_tool(vw);
return;
}
do {
s_str = a_prompt_for_goto_string(vw);
if ((!s_str) || (s_str[0] == 0)) {
more = FALSE;
}
else {
int ans = vik_goto_tool_get_coord(g_list_nth_data (goto_tools_list, last_goto_tool), vw, vvp, s_str, &new_center);
if ( ans == 0 ) {
if (last_coord)
g_free(last_coord);
last_coord = g_malloc(sizeof(VikCoord));
*last_coord = new_center;
if (last_successful_goto_str)
g_free(last_successful_goto_str);
last_successful_goto_str = g_strdup(last_goto_str);
vik_viewport_set_center_coord(vvp, &new_center, TRUE);
more = FALSE;
}
else if ( ans == -1 ) {
if (!prompt_try_again(vw, _("I don't know that place. Do you want another goto?")))
more = FALSE;
}
else if (!prompt_try_again(vw, _("Service request failure. Do you want another goto?")))
more = FALSE;
}
g_free(s_str);
} while (more);
}
