/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2003 Hiroyuki Yamamoto
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkwidget.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkctree.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkhbbox.h>
#include <string.h>
#include <fnmatch.h>
#include "intl.h"
#include "grouplistdialog.h"
#include "manage_window.h"
#include "gtkutils.h"
#include "utils.h"
#include "news.h"
#include "folder.h"
#include "alertpanel.h"
#include "recv.h"
#include "socket.h"
#define GROUPLIST_DIALOG_WIDTH 450
#define GROUPLIST_DIALOG_HEIGHT 400
#define GROUPLIST_COL_NAME_WIDTH 250
static gboolean ack;
static gboolean locked;
static GtkWidget *dialog;
static GtkWidget *entry;
static GtkWidget *ctree;
static GtkWidget *status_label;
static GtkWidget *ok_button;
static GSList *group_list;
static Folder *news_folder;
static GSList *subscribed;
static void grouplist_dialog_create (void);
static void grouplist_dialog_set_list (const gchar *pattern,
gboolean refresh);
static void grouplist_search (void);
static void grouplist_clear (void);
static gboolean grouplist_recv_func (SockInfo *sock,
gint count,
gint read_bytes,
gpointer data);
static gint window_deleted (GtkWidget *widget,
GdkEventAny *event,
gpointer data);
static void ok_clicked (GtkWidget *widget,
gpointer data);
static void cancel_clicked (GtkWidget *widget,
gpointer data);
static void refresh_clicked (GtkWidget *widget,
gpointer data);
static void key_pressed (GtkWidget *widget,
GdkEventKey *event,
gpointer data);
static void ctree_selected (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gpointer data);
static void ctree_unselected (GtkCTree *ctree,
GtkCTreeNode *node,
gint column,
gpointer data);
static void entry_activated (GtkEditable *editable);
static void search_clicked (GtkWidget *widget,
gpointer data);
GSList *grouplist_dialog(Folder *folder)
{
GNode *node;
FolderItem *item;
if (dialog && GTK_WIDGET_VISIBLE(dialog)) return NULL;
if (!dialog)
grouplist_dialog_create();
news_folder = folder;
gtk_widget_show(dialog);
gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
manage_window_set_transient(GTK_WINDOW(dialog));
gtk_widget_grab_focus(ok_button);
gtk_widget_grab_focus(ctree);
GTK_EVENTS_FLUSH();
subscribed = NULL;
for (node = folder->node->children; node != NULL; node = node->next) {
item = FOLDER_ITEM(node->data);
subscribed = g_slist_append(subscribed, g_strdup(item->path));
}
grouplist_dialog_set_list(NULL, TRUE);
if (ack) gtk_main();
manage_window_focus_out(dialog, NULL, NULL);
gtk_widget_hide(dialog);
if (!ack) {
slist_free_strings(subscribed);
g_slist_free(subscribed);
subscribed = NULL;
for (node = folder->node->children; node != NULL;
node = node->next) {
item = FOLDER_ITEM(node->data);
subscribed = g_slist_append(subscribed,
g_strdup(item->path));
}
}
grouplist_clear();
return subscribed;
}
static void grouplist_dialog_create(void)
{
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *msg_label;
GtkWidget *search_button;
GtkWidget *confirm_area;
GtkWidget *cancel_button;
GtkWidget *refresh_button;
GtkWidget *scrolledwin;
gchar *titles[3];
gint i;
dialog = gtk_dialog_new();
gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, TRUE, FALSE);
gtk_widget_set_usize(dialog,
GROUPLIST_DIALOG_WIDTH, GROUPLIST_DIALOG_HEIGHT);
gtk_container_set_border_width
(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
gtk_window_set_title(GTK_WINDOW(dialog), _("Subscribe to newsgroup"));
gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
GTK_SIGNAL_FUNC(window_deleted), NULL);
gtk_signal_connect(GTK_OBJECT(dialog), "key_press_event",
GTK_SIGNAL_FUNC(key_pressed), NULL);
MANAGE_WINDOW_SIGNALS_CONNECT(dialog);
gtk_widget_realize(dialog);
vbox = gtk_vbox_new(FALSE, 8);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
msg_label = gtk_label_new(_("Select newsgroups to subscribe."));
gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
hbox = gtk_hbox_new(FALSE, 8);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
msg_label = gtk_label_new(_("Find groups:"));
gtk_box_pack_start(GTK_BOX(hbox), msg_label, FALSE, FALSE, 0);
entry = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(hbox), entry, TRUE, TRUE, 0);
gtk_signal_connect(GTK_OBJECT(entry), "activate",
GTK_SIGNAL_FUNC(entry_activated), NULL);
search_button = gtk_button_new_with_label(_(" Search "));
gtk_box_pack_start(GTK_BOX(hbox), search_button, FALSE, FALSE, 0);
gtk_signal_connect(GTK_OBJECT(search_button), "clicked",
GTK_SIGNAL_FUNC(search_clicked), NULL);
scrolledwin = gtk_scrolled_window_new(NULL, NULL);
gtk_box_pack_start(GTK_BOX (vbox), scrolledwin, TRUE, TRUE, 0);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwin),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
titles[0] = _("Newsgroup name");
titles[1] = _("Messages");
titles[2] = _("Type");
ctree = gtk_ctree_new_with_titles(3, 0, titles);
gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
gtk_clist_set_column_width
(GTK_CLIST(ctree), 0, GROUPLIST_COL_NAME_WIDTH);
gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_MULTIPLE);
gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
gtk_ctree_set_expander_style(GTK_CTREE(ctree),
GTK_CTREE_EXPANDER_SQUARE);
for (i = 0; i < 3; i++)
GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
GTK_CAN_FOCUS);
gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
GTK_SIGNAL_FUNC(ctree_selected), NULL);
gtk_signal_connect(GTK_OBJECT(ctree), "tree_unselect_row",
GTK_SIGNAL_FUNC(ctree_unselected), NULL);
hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
status_label = gtk_label_new("");
gtk_box_pack_start(GTK_BOX(hbox), status_label, FALSE, FALSE, 0);
gtkut_button_set_create(&confirm_area,
&ok_button, _("OK"),
&cancel_button, _("Cancel"),
&refresh_button, _("Refresh"));
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area),
confirm_area);
gtk_widget_grab_default(ok_button);
gtk_signal_connect(GTK_OBJECT(ok_button), "clicked",
GTK_SIGNAL_FUNC(ok_clicked), NULL);
gtk_signal_connect(GTK_OBJECT(cancel_button), "clicked",
GTK_SIGNAL_FUNC(cancel_clicked), NULL);
gtk_signal_connect(GTK_OBJECT(refresh_button), "clicked",
GTK_SIGNAL_FUNC(refresh_clicked), NULL);
gtk_widget_show_all(GTK_DIALOG(dialog)->vbox);
}
static GHashTable *branch_node_table;
static void grouplist_hash_init(void)
{
branch_node_table = g_hash_table_new(g_str_hash, g_str_equal);
}
static void grouplist_hash_done(void)
{
hash_free_strings(branch_node_table);
g_hash_table_destroy(branch_node_table);
}
static GtkCTreeNode *grouplist_hash_get_branch_node(const gchar *name)
{
return g_hash_table_lookup(branch_node_table, name);
}
static void grouplist_hash_set_branch_node(const gchar *name,
GtkCTreeNode *node)
{
g_hash_table_insert(branch_node_table, g_strdup(name), node);
}
static gchar *grouplist_get_parent_name(const gchar *name)
{
gchar *p;
p = strrchr(name, '.');
if (!p)
return g_strdup("");
return g_strndup(name, p - name);
}
static GtkCTreeNode *grouplist_create_parent(const gchar *name,
const gchar *pattern)
{
GtkCTreeNode *parent;
GtkCTreeNode *node;
gchar *cols[3];
gchar *parent_name;
if (*name == '\0') return NULL;
node = grouplist_hash_get_branch_node(name);
if (node != NULL) return node;
cols[0] = (gchar *)name;
cols[1] = cols[2] = "";
parent_name = grouplist_get_parent_name(name);
parent = grouplist_create_parent(parent_name, pattern);
node = parent ? GTK_CTREE_ROW(parent)->children
: GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
node = gtk_ctree_insert_node(GTK_CTREE(ctree), parent, node,
cols, 0, NULL, NULL, NULL, NULL,
FALSE, FALSE);
if (parent && fnmatch(pattern, parent_name, 0) != 0)
gtk_ctree_expand(GTK_CTREE(ctree), parent);
gtk_ctree_node_set_selectable(GTK_CTREE(ctree), node, FALSE);
grouplist_hash_set_branch_node(name, node);
g_free(parent_name);
return node;
}
static GtkCTreeNode *grouplist_create_branch(NewsGroupInfo *ginfo,
const gchar *pattern)
{
GtkCTreeNode *node;
GtkCTreeNode *parent;
gchar *name = (gchar *)ginfo->name;
gchar *parent_name;
gchar *count_str;
gchar *cols[3];
gint count;
count = ginfo->last - ginfo->first;
if (count < 0)
count = 0;
count_str = itos(count);
cols[0] = ginfo->name;
cols[1] = count_str;
if (ginfo->type == 'y')
cols[2] = "";
else if (ginfo->type == 'm')
cols[2] = _("moderated");
else if (ginfo->type == 'n')
cols[2] = _("readonly");
else
cols[2] = _("unknown");
parent_name = grouplist_get_parent_name(name);
parent = grouplist_create_parent(parent_name, pattern);
node = grouplist_hash_get_branch_node(name);
if (node) {
gtk_ctree_set_node_info(GTK_CTREE(ctree), node, cols[0], 0,
NULL, NULL, NULL, NULL, FALSE, FALSE);
gtk_ctree_node_set_text(GTK_CTREE(ctree), node, 1, cols[1]);
gtk_ctree_node_set_text(GTK_CTREE(ctree), node, 2, cols[2]);
} else {
node = parent ? GTK_CTREE_ROW(parent)->children
: GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
node = gtk_ctree_insert_node(GTK_CTREE(ctree), parent, node,
cols, 0, NULL, NULL, NULL, NULL,
TRUE, FALSE);
if (parent && fnmatch(pattern, parent_name, 0) != 0)
gtk_ctree_expand(GTK_CTREE(ctree), parent);
}
gtk_ctree_node_set_selectable(GTK_CTREE(ctree), node, TRUE);
if (node)
gtk_ctree_node_set_row_data(GTK_CTREE(ctree), node, ginfo);
g_free(parent_name);
return node;
}
static void grouplist_dialog_set_list(const gchar *pattern, gboolean refresh)
{
GSList *cur;
GtkCTreeNode *node;
if (locked) return;
locked = TRUE;
if (!pattern || *pattern == '\0')
pattern = "*";
if (refresh) {
ack = TRUE;
grouplist_clear();
recv_set_ui_func(grouplist_recv_func, NULL);
group_list = news_get_group_list(news_folder);
group_list = g_slist_reverse(group_list);
recv_set_ui_func(NULL, NULL);
if (group_list == NULL && ack == TRUE) {
alertpanel_error(_("Can't retrieve newsgroup list."));
locked = FALSE;
return;
}
} else {
gtk_signal_handler_block_by_func
(GTK_OBJECT(ctree), GTK_SIGNAL_FUNC(ctree_unselected),
NULL);
gtk_clist_clear(GTK_CLIST(ctree));
gtk_signal_handler_unblock_by_func
(GTK_OBJECT(ctree), GTK_SIGNAL_FUNC(ctree_unselected),
NULL);
}
gtk_entry_set_text(GTK_ENTRY(entry), pattern);
grouplist_hash_init();
gtk_clist_freeze(GTK_CLIST(ctree));
gtk_signal_handler_block_by_func(GTK_OBJECT(ctree),
GTK_SIGNAL_FUNC(ctree_selected),
NULL);
for (cur = group_list; cur != NULL ; cur = cur->next) {
NewsGroupInfo *ginfo = (NewsGroupInfo *)cur->data;
if (fnmatch(pattern, ginfo->name, 0) == 0) {
node = grouplist_create_branch(ginfo, pattern);
if (g_slist_find_custom(subscribed, ginfo->name,
(GCompareFunc)g_strcasecmp)
!= NULL)
gtk_ctree_select(GTK_CTREE(ctree), node);
}
}
gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
GTK_SIGNAL_FUNC(ctree_selected),
NULL);
gtk_clist_thaw(GTK_CLIST(ctree));
grouplist_hash_done();
gtk_label_set_text(GTK_LABEL(status_label), _("Done."));
locked = FALSE;
}
static void grouplist_search(void)
{
gchar *str;
if (locked) return;
str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
grouplist_dialog_set_list(str, FALSE);
g_free(str);
}
static void grouplist_clear(void)
{
gtk_signal_handler_block_by_func(GTK_OBJECT(ctree),
GTK_SIGNAL_FUNC(ctree_unselected),
NULL);
gtk_clist_clear(GTK_CLIST(ctree));
gtk_entry_set_text(GTK_ENTRY(entry), "");
news_group_list_free(group_list);
group_list = NULL;
gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
GTK_SIGNAL_FUNC(ctree_unselected),
NULL);
}
static gboolean grouplist_recv_func(SockInfo *sock, gint count, gint read_bytes,
gpointer data)
{
gchar buf[BUFFSIZE];
g_snprintf(buf, sizeof(buf),
_("%d newsgroups received (%s read)"),
count, to_human_readable(read_bytes));
gtk_label_set_text(GTK_LABEL(status_label), buf);
GTK_EVENTS_FLUSH();
if (ack == FALSE)
return FALSE;
else
return TRUE;
}
static gint window_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
{
ack = FALSE;
if (gtk_main_level() > 1)
gtk_main_quit();
return TRUE;
}
static void ok_clicked(GtkWidget *widget, gpointer data)
{
ack = TRUE;
if (gtk_main_level() > 1)
gtk_main_quit();
}
static void cancel_clicked(GtkWidget *widget, gpointer data)
{
ack = FALSE;
if (gtk_main_level() > 1)
gtk_main_quit();
}
static void refresh_clicked(GtkWidget *widget, gpointer data)
{
gchar *str;
if (locked) return;
news_remove_group_list_cache(news_folder);
str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
grouplist_dialog_set_list(str, TRUE);
g_free(str);
}
static void key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
if (event && event->keyval == GDK_Escape)
cancel_clicked(NULL, NULL);
}
static void ctree_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
gpointer data)
{
NewsGroupInfo *ginfo;
ginfo = gtk_ctree_node_get_row_data(ctree, node);
if (!ginfo) return;
subscribed = g_slist_append(subscribed, g_strdup(ginfo->name));
}
static void ctree_unselected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
gpointer data)
{
NewsGroupInfo *ginfo;
GSList *list;
ginfo = gtk_ctree_node_get_row_data(ctree, node);
if (!ginfo) return;
list = g_slist_find_custom(subscribed, ginfo->name,
(GCompareFunc)g_strcasecmp);
if (list) {
g_free(list->data);
subscribed = g_slist_remove(subscribed, list->data);
}
}
static void entry_activated(GtkEditable *editable)
{
grouplist_search();
}
static void search_clicked(GtkWidget *widget, gpointer data)
{
grouplist_search();
}
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