-/* Variables */
-
-static GtkWidget *chooselayout;
-static GtkAdjustment *vadjust;
-static GtkWidget *searchentry; /**< @brief search terms */
-static GtkWidget *nextsearch; /**< @brief next search result */
-static GtkWidget *prevsearch; /**< @brief previous search result */
-static struct choosenode *root;
-static GtkWidget *track_menu; /**< @brief track popup menu */
-static GtkWidget *dir_menu; /**< @brief directory popup menu */
-static struct choosenode *last_click; /**< @brief last clicked node for selection */
-static int files_visible; /**< @brief total files visible */
-static int files_selected; /**< @brief total files selected */
-static int gets_in_flight; /**< @brief total gets in flight */
-static int search_in_flight; /**< @brief a search is underway */
-static int search_obsolete; /**< @brief the current search is void */
-static char **searchresults; /**< @brief search results */
-static int nsearchresults; /**< @brief number of results */
-static int nsearchvisible; /**< @brief number of search results visible */
-static struct hash *searchhash; /**< @brief hash of search results */
-static struct progress_window *spw; /**< @brief progress window */
-static struct choosenode **searchnodes; /**< @brief choosenodes of search results */
-static int suppress_redisplay; /**< @brief suppress redisplay */
-
-/* Forward Declarations */
-
-static void clear_children(struct choosenode *cn);
-static struct choosenode *newnode(struct choosenode *parent,
- const char *path,
- const char *display,
- const char *sort,
- unsigned flags,
- void (*fill)(struct choosenode *));
-static void fill_root_node(struct choosenode *cn);
-static void fill_directory_node(struct choosenode *cn);
-static void got_files(void *v, const char *error, int nvec, char **vec);
-static void got_resolved_file(void *v, const char *error, const char *track);
-static void got_dirs(void *v, const char *error, int nvec, char **vec);
-
-static void expand_node(struct choosenode *cn, int contingent);
-static void contract_node(struct choosenode *cn);
-static void updated_node(struct choosenode *cn, int redisplay,
- const char *why);
-
-static void display_selection(struct choosenode *cn);
-static void clear_selection(struct choosenode *cn);
-
-static void redisplay_tree(const char *why);
-static struct displaydata display_tree(struct choosenode *cn, int x, int y);
-static void undisplay_tree(struct choosenode *cn);
-static void initiate_search(void);
-static void delete_widgets(struct choosenode *cn);
-static void expand_from(struct choosenode *cn);
-static struct choosenode *first_search_result(struct choosenode *cn);
-
-static void clicked_choosenode(GtkWidget attribute((unused)) *widget,
- GdkEventButton *event,
- gpointer user_data);
-
-static void activate_track_play(GtkMenuItem *menuitem, gpointer user_data);
-static void activate_track_properties(GtkMenuItem *menuitem, gpointer user_data);
-
-static gboolean sensitive_track_play(struct choosenode *cn);
-static gboolean sensitive_track_properties(struct choosenode *cn);
-
-static void activate_dir_play(GtkMenuItem *menuitem, gpointer user_data);
-static void activate_dir_properties(GtkMenuItem *menuitem, gpointer user_data);
-static void activate_dir_select(GtkMenuItem *menuitem, gpointer user_data);
-
-static gboolean sensitive_dir_play(struct choosenode *cn);
-static gboolean sensitive_dir_properties(struct choosenode *cn);
-static gboolean sensitive_dir_select(struct choosenode *cn);
-
-/** @brief Track menu items */
-static struct choose_menuitem track_menuitems[] = {
- { "Play track", activate_track_play, sensitive_track_play, 0, 0 },
- { "Track properties", activate_track_properties, sensitive_track_properties, 0, 0 },
- { 0, 0, 0, 0, 0 }
-};
-
-/** @brief Directory menu items */
-static struct choose_menuitem dir_menuitems[] = {
- { "Play all tracks", activate_dir_play, sensitive_dir_play, 0, 0 },
- { "Track properties", activate_dir_properties, sensitive_dir_properties, 0, 0 },
- { "Select all tracks", activate_dir_select, sensitive_dir_select, 0, 0 },
- { 0, 0, 0, 0, 0 }
-};
-
-/* Maintaining the data structure ------------------------------------------ */
-
-static char *cnflags(const struct choosenode *cn) {
- unsigned f = cn->flags, n;
- struct dynstr d[1];
-
- static const char *bits[] = {
- "expandable",
- "expanded",
- "displayed",
- "selected",
- "getting_files",
- "resolving_files",
- "getting_dirs",
- "contingent"
- };
-#define NBITS (sizeof bits / sizeof *bits)