/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */

#include <pobl/bl_str.h>

#include "mc_compat.h"
#include "mc_combo.h"

#define CHAR_WIDTH 10

/* --- global functions --- */

GtkWidget *mc_combo_new(const char *label_name, char **item_names, u_int item_num,
                        const char *selected_item_name, int is_readonly, GtkWidget **entry) {
  return mc_combo_new_with_width(label_name, item_names, item_num, selected_item_name, is_readonly,
                                 0, entry);
}

GtkWidget *mc_combo_new_with_width(const char *label_name, char **item_names, u_int item_num,
                                   const char *selected_item_name, int is_readonly, int entry_width,
                                   GtkWidget **entry) {
  GtkWidget *hbox;
  GtkWidget *label;
  GtkWidget *combo;
  int item_found;
  u_int count;

  hbox = gtk_hbox_new(FALSE, 0);
  gtk_widget_show(hbox);

  label = gtk_label_new(label_name);
  gtk_widget_show(label);
  gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 5);

#if GTK_CHECK_VERSION(2, 90, 0)
  combo = gtk_combo_box_text_new_with_entry();
#else
  combo = gtk_combo_box_entry_new_text();
#endif
  gtk_widget_show(combo);

  item_found = 0;
  for (count = 0; count < item_num; count++) {
    if (strcmp(selected_item_name, item_names[count]) == 0) {
#if GTK_CHECK_VERSION(2, 90, 0)
      gtk_combo_box_text_prepend_text(GTK_COMBO_BOX_TEXT(combo), item_names[count]);
#else
      gtk_combo_box_prepend_text(GTK_COMBO_BOX(combo), item_names[count]);
#endif
      item_found = 1;
    } else {
#if GTK_CHECK_VERSION(2, 90, 0)
      gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), item_names[count]);
#else
      gtk_combo_box_append_text(GTK_COMBO_BOX(combo), item_names[count]);
#endif
    }
  }

  if (!item_found && !is_readonly) {
#if GTK_CHECK_VERSION(2, 90, 0)
    gtk_combo_box_text_prepend_text(GTK_COMBO_BOX_TEXT(combo), selected_item_name);
#else
    gtk_combo_box_prepend_text(GTK_COMBO_BOX(combo), selected_item_name);
#endif
  }

  gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);

  if (entry) {
#if GTK_CHECK_VERSION(4, 0, 0)
    *entry = gtk_combo_box_get_child(GTK_COMBO_BOX(combo));
#else
    *entry = gtk_bin_get_child(GTK_BIN(combo));
#endif
  }

  if (is_readonly) {
#if GTK_CHECK_VERSION(4, 0, 0)
    gtk_editable_set_editable(GTK_EDITABLE(gtk_combo_box_get_child(GTK_COMBO_BOX(combo))), FALSE);
#else
    gtk_editable_set_editable(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(combo))), FALSE);
#endif
  }

  if (entry_width) {
#if GTK_CHECK_VERSION(2, 90, 0)
    gint width_chars;

    if (entry_width < CHAR_WIDTH) {
      width_chars = 1;
    } else {
      width_chars = entry_width / CHAR_WIDTH;
    }

#if GTK_CHECK_VERSION(4, 0, 0)
    gtk_entry_set_width_chars(GTK_ENTRY(gtk_combo_box_get_child(GTK_COMBO_BOX(combo))),
                              width_chars);
#else
    gtk_entry_set_width_chars(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo))), width_chars);
#endif
#else
    gtk_widget_set_size_request(gtk_bin_get_child(GTK_BIN(combo)), entry_width, -1);
#endif
    gtk_box_pack_start(GTK_BOX(hbox), combo, FALSE, FALSE, 0);
  } else {
    gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 0);
  }

  return hbox;
}
