+
+void ui_revealscreen ( void ) {
+ char *labels [ 500 ];
+ unsigned int labelmax = 0;
+ unsigned int i;
+
+ if ( ! _categories_inviscount ) {
+ return; // nothing to do
+ }
+
+ for ( i = 0; i < _categories_inviscount; i++ ) {
+ labels [ labelmax++ ] = _categories_invis [ i ].catname;
+ }
+
+ int sel = ui_modal_single_menu ( labels, labelmax, "Temporary Category Reveal",
+ "Enter to select; other to return." );
+
+ if ( sel >= 0 ) {
+
+ if ( category_query ( _categories_invis [ sel ].catname ) ) {
+ // already present
+ return;
+ }
+
+ // fix up category name, if its been hacked
+ if ( strchr ( _categories_invis [ sel ].catname, '.' ) ) {
+ char *t = _categories_invis [ sel ].catname;
+ _categories_invis [ sel ].catname = strdup ( strchr ( _categories_invis [ sel ].catname, '.' ) + 1 );
+ free ( t );
+ }
+ // copy invisi-cat into live-cat
+ memmove ( &(g_categories [ g_categorycount ]), &(_categories_invis [ sel ]), sizeof(mm_category_t) );
+ g_categorycount++;
+ // move subsequent invisi-cats up, so the selected invisi-cat is nolonger existing in invisi-list at
+ // all (avoid double-free() later)
+ memmove ( &(_categories_invis [ sel ]), &(_categories_invis [ sel + 1 ]), sizeof(mm_category_t) * ( _categories_inviscount - sel - 1 ) );
+ _categories_inviscount--;
+
+ // switch to the new category
+ ui_category = g_categorycount - 1;
+
+ // ensure visibility
+ unsigned int screen_width = pnd_conf_get_as_int_d ( g_conf, "display.screen_width", 800 );
+ unsigned int tab_width = pnd_conf_get_as_int ( g_conf, "tabs.tab_width" );
+ if ( ui_category > ui_catshift + ( screen_width / tab_width ) - 1 ) {
+ ui_catshift = ui_category - ( screen_width / tab_width ) + 1;
+ }
+
+ // redraw tabs
+ render_mask |= CHANGED_CATEGORY;
+ }
+
+ return;
+}