void style_change(appdata_t *appdata, const char *name) {
char *new_style = NULL, *fname = NULL;
file_chain_t *chain = file_scan(".style");
while(chain) {
file_chain_t *next = chain->next;
style_t *style = style_parse(appdata, chain->name, NULL, TRUE);
if(new_style == NULL && strcmp(style->name, name) == 0) {
new_style = style_basename(chain->name);
fname = chain->name;
chain->name = NULL;
}
style_free(style);
g_free(chain->name);
g_free(chain);
chain = next;
}
/* check if style has really been changed */
if(appdata->settings->style &&
!strcmp(appdata->settings->style, new_style)) {
g_free(new_style);
g_free(fname);
return;
}
style_t *nstyle = style_load_fname(appdata, fname);
if (nstyle == NULL) {
errorf(GTK_WIDGET(appdata->window),
_("Error loading style %s"), fname);
g_free(new_style);
g_free(fname);
return;
}
g_free(fname);
g_free(appdata->settings->style);
appdata->settings->style = new_style;
map_clear(appdata, MAP_LAYER_OBJECTS_ONLY);
/* let gtk clean up first */
while(gtk_events_pending()) {
putchar('.');
gtk_main_iteration();
}
style_free(appdata->map->style);
appdata->map->style = nstyle;
/* canvas background may have changed */
canvas_set_background(appdata->map->canvas,
appdata->map->style->background.color);
map_paint(appdata);
}
GtkWidget *style_select_widget(appdata_t *appdata) {
file_chain_t *chain = file_scan(".style");
/* there must be at least one style, otherwise */
/* the program wouldn't be running */
g_assert(chain);
GtkWidget *cbox = combo_box_new(_("Style"));
/* fill combo box with presets */
int cnt = 0, match = -1;
while(chain) {
file_chain_t *next = chain->next;
printf(" file: %s\n", chain->name);
style_t *style = style_parse(appdata, chain->name, NULL, TRUE);
printf(" name: %s\n", style->name);
combo_box_append_text(cbox, style->name);
char *basename = style_basename(chain->name);
if(strcmp(basename, appdata->settings->style) == 0) match = cnt;
g_free(basename);
style_free(style);
cnt++;
g_free(chain->name);
g_free(chain);
chain = next;
}
if(match >= 0)
combo_box_set_active(cbox, match);
return cbox;
}
inline void operator()(const std::pair<std::string, std::string> &pair) {
gtk_list_store_insert_with_values(store, nullptr, -1, 0, pair.first.c_str(), 1, pair.second.c_str(), -1);
if(match < 0 && style_basename(pair.second) == currentstyle)
match = cnt;
cnt++;
}
