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 #include "alertpanel.h"
  47
  48 #define GROUPLIST_DIALOG_WIDTH  420
  49 #define GROUPLIST_DIALOG_HEIGHT 400
  50
  51 static gboolean ack;
  52
  53 static GtkWidget *dialog;
  54 static GtkWidget *msg_label;
  55 static GtkWidget *group_clist;
  56 static GtkWidget *ok_button;
  57 static gchar * group_selected;
  58 static GSList * group_list;
  59 static FolderItem * item;
  60
  61 static void grouplist_dialog_create     (void);
  62 static void grouplist_dialog_set        (void);
  63 static void grouplist_free              (void);
  64
  65 static void ok_clicked          (GtkWidget      *widget,
  66                                  gpointer        data);
  67 static void cancel_clicked      (GtkWidget      *widget,
  68                                  gpointer        data);
  69 static void refresh_clicked(GtkWidget *widget, gpointer data);
  70 static void key_pressed         (GtkWidget      *widget,
  71                                  GdkEventKey    *event,
  72                                  gpointer        data);
  73 static void group_clist_select(GtkCList *clist, gint row, gint column,
  74                               GdkEventButton *event, gpointer user_data);
  75
  76 gchar *grouplist_dialog(FolderItem * i)
  77 {
  78         gchar *str;
  79
  80         if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
  81
  82         if (!dialog)
  83                 grouplist_dialog_create();
  84
  85         item = i;
  86
  87         grouplist_dialog_set();
  88         gtk_widget_show(dialog);
  89         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
  90         manage_window_set_transient(GTK_WINDOW(dialog));
  91
  92         gtk_main();
  93
  94         manage_window_focus_out(dialog, NULL, NULL);
  95         gtk_widget_hide(dialog);
  96
  97         if (ack) {
  98                 if (group_selected != NULL)
  99                         str = g_strdup(group_selected);
 100                 else
 101                         str = NULL;
 102                 if (str && *str == '\0')
 103                         str = NULL;
 104         } else
 105                 str = NULL;
 106
 107         grouplist_free();
 108
 109         GTK_EVENTS_FLUSH();
 110
 111         debug_print("return string = %s\n", str ? str : "(none)");
 112         return str;
 113 }
 114
 115 static void grouplist_free(void)
 116 {
 117         GSList * group_elt;
 118
 119         for(group_elt = group_list ; group_elt != NULL ;
 120             group_elt = group_elt->next)
 121             g_free(group_elt->data);
 122         g_slist_free(group_list);
 123 }
 124
 125 static void grouplist_dialog_create(void)
 126 {
 127         GtkWidget *vbox;
 128         GtkWidget *hbox;
 129         GtkWidget *confirm_area;
 130         GtkWidget *cancel_button;
 131         GtkWidget *refresh_button;
 132         GtkWidget *scrolledwin;
 133
 134         dialog = gtk_dialog_new();
 135         gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, FALSE);
 136         gtk_widget_set_usize(dialog, GROUPLIST_DIALOG_WIDTH, GROUPLIST_DIALOG_HEIGHT);
 137         gtk_container_set_border_width
 138                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
 139         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 140         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
 141                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 142         gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
 143                            GTK_SIGNAL_FUNC(key_pressed), NULL);
 144         gtk_signal_connect(GTK_OBJECT(dialog), "focus_in_event",
 145                            GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 146         gtk_signal_connect(GTK_OBJECT(dialog), "focus_out_event",
 147                            GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 148
 149         gtk_widget_realize(dialog);
 150
 151         vbox = gtk_vbox_new(FALSE, 8);
 152         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
 153         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
 154
 155         hbox = gtk_hbox_new(FALSE, 0);
 156         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 157
 158         msg_label = gtk_label_new("");
 159         gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
 160         gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_LEFT);
 161
 162
 163         scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 164         gtk_box_pack_start (GTK_BOX (vbox), scrolledwin,
 165                             TRUE, TRUE, 0);
 166         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwin),
 167                                         GTK_POLICY_AUTOMATIC,
 168                                         GTK_POLICY_AUTOMATIC);
 169
 170         group_clist = gtk_clist_new(1);
 171         gtk_container_add (GTK_CONTAINER (scrolledwin), group_clist);
 172         gtk_clist_set_column_width (GTK_CLIST (group_clist), 0, 80);
 173         gtk_clist_set_selection_mode (GTK_CLIST (group_clist),
 174                                       GTK_SELECTION_BROWSE);
 175         GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (group_clist)->column[0].button,
 176                                 GTK_CAN_FOCUS);
 177         gtk_signal_connect (GTK_OBJECT (group_clist), "select_row",
 178                             GTK_SIGNAL_FUNC (group_clist_select), NULL);
 179
 180         gtkut_button_set_create(&confirm_area,
 181                                 &ok_button,     _("OK"),
 182                                 &cancel_button, _("Cancel"),
 183                                 &refresh_button, _("Refresh"));
 184         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
 185                           confirm_area);
 186         gtk_widget_grab_default(ok_button);
 187
 188         gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
 189                            GTK_SIGNAL_FUNC(ok_clicked), NULL);
 190         gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
 191                            GTK_SIGNAL_FUNC(cancel_clicked), NULL);
 192         gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
 193                            GTK_SIGNAL_FUNC(refresh_clicked), NULL);
 194
 195
 196         gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
 197 }
 198
 199 static void grouplist_dialog_set_list(void)
 200 {
 201         GSList * elt;
 202         gint row;
 203
 204         group_selected = NULL;
 205         group_list = news_get_group_list(item);
 206         if (group_list == NULL) {
 207                 alertpanel_error(_("Can't retrieve group list."));
 208                 return;
 209         }
 210
 211         gtk_clist_clear(GTK_CLIST(group_clist));
 212         for(elt = group_list; elt != NULL ; elt = elt->next)
 213           {
 214             row = gtk_clist_append(GTK_CLIST(group_clist),
 215                                    (void *) &(elt->data));
 216             gtk_clist_set_row_data(GTK_CLIST(group_clist), row, elt->data);
 217           }
 218
 219         gtk_widget_grab_focus(ok_button);
 220         gtk_widget_grab_focus(group_clist);
 221
 222         if (group_list != NULL)
 223           group_selected = group_list->data;
 224         else
 225           group_selected = NULL;
 226 }
 227
 228 static void grouplist_dialog_set(void)
 229 {
 230         gtk_window_set_title(GTK_WINDOW(dialog), _("Subscribe newsgroup"));
 231         gtk_label_set_text(GTK_LABEL(msg_label), _("Input subscribing newsgroup:"));
 232         grouplist_dialog_set_list();
 233 }
 234
 235 static void ok_clicked(GtkWidget *widget, gpointer data)
 236 {
 237         ack = TRUE;
 238         gtk_main_quit();
 239 }
 240
 241 static void cancel_clicked(GtkWidget *widget, gpointer data)
 242 {
 243         ack = FALSE;
 244         gtk_main_quit();
 245 }
 246
 247 static void refresh_clicked(GtkWidget *widget, gpointer data)
 248 {
 249         grouplist_free();
 250         news_reset_group_list(item);
 251         grouplist_dialog_set_list();
 252 }
 253
 254 static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 255 {
 256         if (event && event->keyval == GDK_Escape) {
 257                 ack = FALSE;
 258                 gtk_main_quit();
 259         }
 260 }
 261
 262 static void group_clist_select(GtkCList *clist, gint row, gint column,
 263                               GdkEventButton *event, gpointer user_data)
 264 {
 265   group_selected = (gchar *)
 266     gtk_clist_get_row_data(GTK_CLIST(group_clist), row);
 267 }