void set_predefined_projections(int is_source, int projection)
{
GtkWidget * predefined_projection_option_menu;
GtkWidget * menu = NULL;
/* looking through all the files can be slow, skip it if we can */
if (projection == previous_projection)
return;
if (previous_projection == -1)
{
/* populate all the predefined projection menus */
source_utm_menu =
populate_predefined_projections(PROJ_UTM);
target_utm_menu =
populate_predefined_projections(PROJ_UTM);
source_latlon_menu =
populate_predefined_projections(PROJ_LATLON);
target_latlon_menu =
populate_predefined_projections(PROJ_LATLON);
source_ps_menu =
populate_predefined_projections(PROJ_PS);
target_ps_menu =
populate_predefined_projections(PROJ_PS);
source_lamcc_menu =
populate_predefined_projections(PROJ_LAMCC);
target_lamcc_menu =
populate_predefined_projections(PROJ_LAMCC);
source_lamaz_menu =
populate_predefined_projections(PROJ_LAMAZ);
target_lamaz_menu =
populate_predefined_projections(PROJ_LAMAZ);
source_albers_menu =
populate_predefined_projections(PROJ_ALBERS);
target_albers_menu =
populate_predefined_projections(PROJ_ALBERS);
g_object_ref(source_latlon_menu);
g_object_ref(source_utm_menu);
g_object_ref(source_ps_menu);
g_object_ref(source_lamcc_menu);
g_object_ref(source_lamaz_menu);
g_object_ref(source_albers_menu);
g_object_ref(target_latlon_menu);
g_object_ref(target_utm_menu);
g_object_ref(target_ps_menu);
g_object_ref(target_lamcc_menu);
g_object_ref(target_lamaz_menu);
g_object_ref(target_albers_menu);
}
predefined_projection_option_menu = is_source ?
get_widget_checked("source_predefined_projection_option_menu") :
get_widget_checked("target_predefined_projection_option_menu");
switch (projection)
{
case PROJ_UTM:
menu = is_source ? source_utm_menu : target_utm_menu;
break;
case PROJ_LATLON:
menu = is_source ? source_latlon_menu : target_latlon_menu;
break;
case PROJ_PS:
menu = is_source ? source_ps_menu : target_ps_menu;
break;
case PROJ_LAMCC:
menu = is_source ? source_lamcc_menu : target_lamcc_menu;
break;
case PROJ_LAMAZ:
menu = is_source ? source_lamaz_menu : target_lamaz_menu;
break;
case PROJ_ALBERS:
menu = is_source ? source_albers_menu : target_albers_menu;
break;
}
g_assert(menu);
previous_projection = projection;
gtk_option_menu_set_menu(
GTK_OPTION_MENU(predefined_projection_option_menu), menu);
gtk_option_menu_set_history(
GTK_OPTION_MENU(predefined_projection_option_menu), 0);
gtk_widget_show(menu);
gtk_widget_show(predefined_projection_option_menu);
}
void set_predefined_projections(int projection)
{
GtkWidget * predefined_projection_option_menu;
GtkWidget * menu = NULL;
/* looking through all the files can be slow, skip it if we can */
if (projection == previous_projection)
return;
if (previous_projection == -1)
{
/* populate all the predefined projection menus */
utm_menu =
populate_predefined_projections(PROJ_UTM);
ps_menu =
populate_predefined_projections(PROJ_PS);
lamcc_menu =
populate_predefined_projections(PROJ_LAMCC);
lamaz_menu =
populate_predefined_projections(PROJ_LAMAZ);
albers_menu =
populate_predefined_projections(PROJ_ALBERS);
mer_menu =
populate_predefined_projections(PROJ_MER);
eqr_menu =
populate_predefined_projections(PROJ_EQR);
geo_menu =
populate_predefined_projections(PROJ_GEO);
g_object_ref(utm_menu);
g_object_ref(ps_menu);
g_object_ref(lamcc_menu);
g_object_ref(lamaz_menu);
g_object_ref(albers_menu);
g_object_ref(mer_menu);
g_object_ref(eqr_menu);
g_object_ref(geo_menu);
}
predefined_projection_option_menu =
get_widget_checked("predefined_projection_option_menu");
g_assert(predefined_projection_option_menu);
switch (projection)
{
case PROJ_UTM:
menu = utm_menu;
break;
case PROJ_PS:
menu = ps_menu;
break;
case PROJ_LAMCC:
menu = lamcc_menu;
break;
case PROJ_LAMAZ:
menu = lamaz_menu;
break;
case PROJ_ALBERS:
menu = albers_menu;
break;
case PROJ_MER:
menu = mer_menu;
break;
case PROJ_EQR:
menu = eqr_menu;
break;
case PROJ_GEO:
menu = geo_menu;
break;
}
g_assert(menu);
previous_projection = projection;
gtk_option_menu_set_menu(
GTK_OPTION_MENU(predefined_projection_option_menu), menu);
gtk_option_menu_set_history(
GTK_OPTION_MENU(predefined_projection_option_menu), 0);
gtk_widget_show(menu);
gtk_widget_show(predefined_projection_option_menu);
}
