src/grouplist_dialog.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <gdk/gdkkeysyms.h>
  26 #include <gtk/gtkmain.h>
  27 #include <gtk/gtkwidget.h>
  28 #include <gtk/gtkdialog.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkhbox.h>
  33 #include <gtk/gtklabel.h>
  34 #include <gtk/gtkclist.h>
  35 #include <gtk/gtkscrolledwindow.h>
  36 #include <gtk/gtkbutton.h>
  37 #include <gtk/gtkhbbox.h>
  38
  39 #include "intl.h"
  40 #include "grouplist_dialog.h"
  41 #include "manage_window.h"
  42 #include "gtkutils.h"
  43 #include "utils.h"
  44 #include "news.h"
  45 #include "folder.h"
  46
  47 #define GROUPLIST_DIALOG_WIDTH  420
  48 #define GROUPLIST_DIALOG_HEIGHT 400
  49
  50 static gboolean ack;
  51
  52 static GtkWidget *dialog;
  53 static GtkWidget *msg_label;
  54 static GtkWidget *group_clist;
  55 static GtkWidget *ok_button;
  56 static gchar * group_selected;
  57 static GSList * group_list;
  58 static FolderItem * item;
  59
  60 static void grouplist_dialog_create     (void);
  61 static void grouplist_dialog_set        (void);
  62 static void grouplist_free              (void);
  63
  64 static void ok_clicked          (GtkWidget      *widget,
  65                                  gpointer        data);
  66 static void cancel_clicked      (GtkWidget      *widget,
  67                                  gpointer        data);
  68 static void refresh_clicked(GtkWidget *widget, gpointer data);
  69 static void key_pressed         (GtkWidget      *widget,
  70                                  GdkEventKey    *event,
  71                                  gpointer        data);
  72 static void group_clist_select(GtkCList *clist, gint row, gint column,
  73                               GdkEventButton *event, gpointer user_data);
  74
  75 gchar *grouplist_dialog(FolderItem * i)
  76 {
  77         gchar *str;
  78
  79         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  80
  81         if (!dialog)
  82                 grouplist_dialog_create();
  83
  84         item = i;
  85
  86         grouplist_dialog_set();
  87         gtk_widget_show(dialog);
  88         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
  89         manage_window_set_transient(GTK_WINDOW(dialog));
  90
  91         gtk_main();
  92
  93         manage_window_focus_out(dialog, NULL, NULL);
  94         gtk_widget_hide(dialog);
  95
  96         if (ack) {
  97                 if (group_selected != NULL)
  98                         str = g_strdup(group_selected);
  99                 else
 100                         str = NULL;
 101                 if (str && *str == '\0')
 102                         str = NULL;
 103         } else
 104                 str = NULL;
 105
 106         grouplist_free();
 107
 108         GTK_EVENTS_FLUSH();
 109
 110         debug_print("return string = %s\n", str ? str : "(none)");
 111         return str;
 112 }
 113
 114 static void grouplist_free(void)
 115 {
 116         GSList * group_elt;
 117
 118         for(group_elt = group_list ; group_elt != NULL ;
 119             group_elt = group_elt->next)
 120             g_free(group_elt->data);
 121         g_slist_free(group_list);
 122 }
 123
 124 static void grouplist_dialog_create(void)
 125 {
 126         GtkWidget *vbox;
 127         GtkWidget *hbox;
 128         GtkWidget *confirm_area;
 129         GtkWidget *cancel_button;
 130         GtkWidget *refresh_button;
 131         GtkWidget *scrolledwin;
 132
 133         dialog = gtk_dialog_new();
 134         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 135         gtk_widget_set_usize(dialog, GROUPLIST_DIALOG_WIDTH, GROUPLIST_DIALOG_HEIGHT);
 136         gtk_container_set_border_width
 137                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 138         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 139         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 140                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 141         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 142                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 143         gtk_signal_connect(GTK_OBJECT(dialog), "focus_in_event",
 144                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 145         gtk_signal_connect(GTK_OBJECT(dialog), "focus_out_event",
 146                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 147
 148         gtk_widget_realize(dialog);
 149
 150         vbox = gtk_vbox_new(FALSE, 8);
 151         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 152         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 153
 154         hbox = gtk_hbox_new(FALSE, 0);
 155         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 156
 157         msg_label = gtk_label_new("");
 158         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 159         gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_LEFT);
 160
 161
 162         scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 163         gtk_box_pack_start (GTK_BOX (vbox), scrolledwin,
 164                             TRUE, TRUE, 0);
 165         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwin),
 166                                         GTK_POLICY_AUTOMATIC,
 167                                         GTK_POLICY_AUTOMATIC);
 168
 169         group_clist = gtk_clist_new(1);
 170         gtk_container_add (GTK_CONTAINER (scrolledwin), group_clist);
 171         gtk_clist_set_column_width (GTK_CLIST (group_clist), 0, 80);
 172         gtk_clist_set_selection_mode (GTK_CLIST (group_clist),
 173                                       GTK_SELECTION_BROWSE);
 174         GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (group_clist)->column[0].button,
 175                                 GTK_CAN_FOCUS);
 176         gtk_signal_connect (GTK_OBJECT (group_clist), "select_row",
 177                             GTK_SIGNAL_FUNC (group_clist_select), NULL);
 178
 179         gtkut_button_set_create(&confirm_area,
 180                                 &ok_button,     _("OK"),
 181                                 &cancel_button, _("Cancel"),
 182                                 &refresh_button, _("Refresh"));
 183         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 184                           confirm_area);
 185         gtk_widget_grab_default(ok_button);
 186
 187         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 188                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 189         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 190                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 191         gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
 192                            GTK_SIGNAL_FUNC(refresh_clicked), NULL);
 193
 194
 195         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 196 }
 197
 198 static void grouplist_dialog_set_list(void)
 199 {
 200         GSList * elt;
 201         gint row;
 202
 203         group_selected = NULL;
 204         group_list = news_get_group_list(item);
 205
 206         gtk_clist_clear(GTK_CLIST(group_clist));
 207         for(elt = group_list; elt != NULL ; elt = elt->next)
 208           {
 209             row = gtk_clist_append(GTK_CLIST(group_clist), &(elt->data));
 210             gtk_clist_set_row_data(GTK_CLIST(group_clist), row, elt->data);
 211           }
 212
 213         gtk_widget_grab_focus(ok_button);
 214         gtk_widget_grab_focus(group_clist);
 215
 216         if (group_list != NULL)
 217           group_selected = group_list->data;
 218         else
 219           group_selected = NULL;
 220 }
 221
 222 static void grouplist_dialog_set(void)
 223 {
 224         gtk_window_set_title(GTK_WINDOW(dialog), _("Subscribe newsgroup"));
 225         gtk_label_set_text(GTK_LABEL(msg_label), _("Input subscribing newsgroup:"));
 226         grouplist_dialog_set_list();
 227 }
 228
 229 static void ok_clicked(GtkWidget *widget, gpointer data)
 230 {
 231         ack = TRUE;
 232         gtk_main_quit();
 233 }
 234
 235 static void cancel_clicked(GtkWidget *widget, gpointer data)
 236 {
 237         ack = FALSE;
 238         gtk_main_quit();
 239 }
 240
 241 static void refresh_clicked(GtkWidget *widget, gpointer data)
 242 {
 243         grouplist_free();
 244         news_reset_group_list(item);
 245         grouplist_dialog_set_list();
 246 }
 247
 248 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 249 {
 250         if (event && event->keyval == GDK_Escape) {
 251                 ack = FALSE;
 252                 gtk_main_quit();
 253         }
 254 }
 255
 256 static void group_clist_select(GtkCList *clist, gint row, gint column,
 257                               GdkEventButton *event, gpointer user_data)
 258 {
 259   group_selected = (gchar *)
 260     gtk_clist_get_row_data(GTK_CLIST(group_clist), row);
 261 }