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gui_dict.c

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#include <gtk/gtk.h>
#include "dict.h"
#include "gui_top_window.h"

int
dict_clistcmp (int n, const char *key, GtkCList * c)
{
  gchar *s;
  gtk_clist_get_text (c, n, 0, &s);
  return (strcmp (key, s));
}

int
mybsearch (int n, int (*cmp) (int, gpointer, gpointer), const gpointer key,
           gpointer data)
{
  int min = 0, max = n - 1, try, r;
  while (min != max)
    {
      try = (min + max) / 2;
      r = cmp (try, key, data);
      if (r <= 0)
        max = try;
      else
        min = try + 1;
    }
  return (min);
}

void
dict_inpch (GtkEntry * e, GtkObject * w)
{
  const char *s = gtk_entry_get_text (e);
  gchar *pszsel;
  int n = *(int *) gtk_object_get_data (w, "dict_wnum"), r;
  GtkAdjustment *a;
  GtkCList *c = GTK_CLIST (gtk_object_get_data (w, "dict_clist"));
  r =
    mybsearch (n, (int (*)(int, gpointer, gpointer)) dict_clistcmp,
               (const gpointer) s, c);
  gtk_clist_select_row (c, r, 0);
  gtk_clist_get_text (c, r, 0, &pszsel);
  a = gtk_clist_get_vadjustment (c);
  gtk_adjustment_set_value (a, a->upper / n * r);
  gtk_clist_set_vadjustment (c, a);
}

GtkWidget *
dict_new ()
{
  int *wnum = (int *) malloc (sizeof (int));
  char ****words = (char ****) malloc (sizeof (char ***));
  char *def_titles[] = { "English", "Hungarian" };
  GtkBox *w, *inpdic;
  GtkEntry *inp;
  GtkCList *dic;
  GtkScrolledWindow *dicscroll;
  *wnum = 0, *words = NULL;
  w = GTK_BOX (gtk_hbox_new (FALSE, 2));
  gtk_object_set_data (GTK_OBJECT (w), "dict_wnum", (gpointer) (wnum));
  gtk_object_set_data (GTK_OBJECT (w), "dict_words", (gpointer) (words));
  inpdic = GTK_BOX (gtk_vbox_new (FALSE, 2));
  inp = GTK_ENTRY (gtk_entry_new ());
  gtk_entry_set_editable (inp, TRUE);
  gtk_widget_show (GTK_WIDGET (inp));
  gtk_box_pack_start (inpdic, GTK_WIDGET (inp), FALSE, TRUE, 2);
  dicscroll = GTK_SCROLLED_WINDOW (gtk_scrolled_window_new (NULL, NULL));
  gtk_scrolled_window_set_policy (dicscroll, GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_ALWAYS);
  dic = GTK_CLIST (gtk_clist_new_with_titles (2, def_titles));

  gtk_object_set_data (GTK_OBJECT (w), "dict_clist", (gpointer) (dic));
  gtk_signal_connect (GTK_OBJECT (inp), "changed",
                      GTK_SIGNAL_FUNC (dict_inpch), (gpointer) w);
  gtk_object_set_data (GTK_OBJECT (w), "dict_clist", (gpointer) (dic));
  gtk_container_add (GTK_CONTAINER (dicscroll), GTK_WIDGET (dic));
  gtk_widget_show (GTK_WIDGET (dic));
  gtk_box_pack_start (inpdic, GTK_WIDGET (dicscroll), TRUE, TRUE, 2);
  gtk_widget_show (GTK_WIDGET (dicscroll));
  gtk_box_pack_start (w, GTK_WIDGET (inpdic), TRUE, TRUE, 2);
  gtk_widget_show (GTK_WIDGET (inpdic));
  return (GTK_WIDGET (w));
}

void
dict_add_words (GtkWidget * dict, int wnum, char ***words)
{
  int *pwnum, i;
  char ****pwords, **ws;
  GtkCList *pclist;
  pwnum = (int *) gtk_object_get_data (GTK_OBJECT (dict), "dict_wnum");
  pwords = (char ****) gtk_object_get_data (GTK_OBJECT (dict), "dict_words");
  pclist = (GtkCList *) gtk_object_get_data (GTK_OBJECT (dict), "dict_clist");
  *pwords = (char ***) realloc (*pwords, (*pwnum + wnum) * sizeof (char **));
  for (i = 0; i < wnum; i++)
    (*pwords)[*pwnum + i] = words[i];
  *pwnum += wnum;
  for (i = 0; i < wnum; i++)
    gtk_clist_append (pclist, words[i]);
}

void
dict_add_word (GtkWidget * dict, char **word)
{
  dict_add_words (dict, 1, &word);
}

GtkWidget *
dict_new_from_file (const char *fn, const char *sep)
{
  GtkWidget *dict;
  int wnum;
  char ***words;
  dict = dict_new ();
  words = dict_get_words (fn, sep, &wnum);
  dict_add_words (dict, wnum, words);
  return (dict);
}

void
gui_dict_open2_cb (GtkWidget * opencb)
{
  GtkWidget *dict;
  const gchar *fn =
    gtk_file_selection_get_filename (GTK_FILE_SELECTION (opencb));
  dict = dict_new_from_file (fn, " -> ");
  gtk_notebook_append_page (notebook, dict, gtk_label_new (fn));
  gtk_widget_show (dict);
}

void
gui_dict_open_cb ()
{
  GtkWidget *opencb;
  opencb = gtk_file_selection_new ("Select dictionary to open");
  gtk_window_set_modal (GTK_WINDOW (opencb), TRUE);
  g_signal_connect_swapped (GTK_OBJECT
                            (GTK_FILE_SELECTION (opencb)->ok_button),
                            "clicked", G_CALLBACK (gui_dict_open2_cb),
                            opencb);
  g_signal_connect_swapped (GTK_OBJECT
                            (GTK_FILE_SELECTION (opencb)->ok_button),
                            "clicked", G_CALLBACK (gtk_widget_destroy),
                            opencb);
  g_signal_connect_swapped (GTK_OBJECT
                            (GTK_FILE_SELECTION (opencb)->cancel_button),
                            "clicked", G_CALLBACK (gtk_widget_destroy),
                            opencb);
  gtk_file_selection_set_filename (GTK_FILE_SELECTION (opencb),
                                   "/usr/share/dict/");
  gtk_widget_show (opencb);
}

void
gui_dict_close_cb ()
{
  gtk_notebook_remove_page (notebook,
                            gtk_notebook_get_current_page (notebook));
}

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