Add a finch log viewer. This is largely copied from Pidgin.

The search box must be focused in order to scroll the log or fire up the pager,
and is labelled such. Feel free to come up with a better widget to attach these
to.

8 files changed, 684 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 82ce41c449..fbf57dc71f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -41,6 +41,7 @@ version 2.4.0 (??/??/????):
 	* The 'Grouping' plugin can be used for alternate grouping in the
 	  buddylist. The current options are 'Group Online/Offline' and 'No
 	  Group'.
+	* Added a log viewer
 
 version 2.3.1 (12/7/2007):
 	http://developer.pidgin.im/query?status=closed&milestone=2.3.1
diff --git a/ChangeLog.API b/ChangeLog.API
index 1c0f79a998..74ae3c59bf 100644
--- a/ChangeLog.API
+++ b/ChangeLog.API
@@ -75,6 +75,8 @@ version 2.4.0 (??/??/????):
 		  util functions finch_blist_install_manager,
 		  finch_blist_uninstall_manager, finch_blist_manager_find and
 		  finch_blist_manager_add_node.
+		* Added finch_log_show, finch_log_show_contact, finch_syslog_show,
+		  finch_log_init, finch_log_get_handle, finch_log_uninit
 
 		libgnt:
 		* Added gnt_tree_set_row_color to set the color for a row in a tree.
diff --git a/finch/Makefile.am b/finch/Makefile.am
index 6c707c87a0..2f08d120b1 100644
--- a/finch/Makefile.am
+++ b/finch/Makefile.am
@@ -25,6 +25,7 @@ finch_SOURCES = \
 	gntft.c \
 	finch.c \
 	gntidle.c \
+	gntlog.c \
 	gntnotify.c \
 	gntplugin.c \
 	gntpounce.c \
@@ -45,6 +46,7 @@ finch_headers = \
 	gntft.h \
 	finch.h \
 	gntidle.h \
+	gntlog.h \
 	gntnotify.h \
 	gntplugin.h \
 	gntpounce.h \
diff --git a/finch/gntblist.c b/finch/gntblist.c
index 9ea1fab926..5218a7b367 100644
--- a/finch/gntblist.c
+++ b/finch/gntblist.c
@@ -27,6 +27,7 @@
 
 #include <account.h>
 #include <blist.h>
+#include <log.h>
 #include <notify.h>
 #include <request.h>
 #include <savedstatuses.h>
@@ -43,6 +44,7 @@
 #include "gntft.h"
 #include "gntlabel.h"
 #include "gntline.h"
+#include "gntlog.h"
 #include "gntmenu.h"
 #include "gntmenuitem.h"
 #include "gntmenuitemcheck.h"
@@ -1282,6 +1284,43 @@ finch_blist_rename_node_cb(PurpleBlistNode *selected, PurpleBlistNode *node)
 	g_free(prompt);
 }
 
+
+static void showlog_cb(PurpleBlistNode *node)
+{
+	PurpleLogType type;
+	PurpleAccount *account;
+	char *name = NULL;
+
+	if (PURPLE_BLIST_NODE_IS_BUDDY(node)) {
+		PurpleBuddy *b = (PurpleBuddy*) node;
+		type = PURPLE_LOG_IM;
+		name = g_strdup(b->name);
+		account = b->account;
+	} else if (PURPLE_BLIST_NODE_IS_CHAT(node)) {
+		PurpleChat *c = (PurpleChat*) node;
+		PurplePluginProtocolInfo *prpl_info = NULL;
+		type = PURPLE_LOG_CHAT;
+		account = c->account;
+		prpl_info = PURPLE_PLUGIN_PROTOCOL_INFO(purple_find_prpl(purple_account_get_protocol_id(account)));
+		if (prpl_info && prpl_info->get_chat_name) {
+			name = prpl_info->get_chat_name(c->components);
+		}
+	} else if (PURPLE_BLIST_NODE_IS_CONTACT(node)) {
+		finch_log_show_contact((PurpleContact *)node);
+		return;
+	} else {
+		/* This callback should not have been registered for a node
+		 * that doesn't match the type of one of the blocks above. */
+		g_return_if_reached();
+	}
+
+	if (name && account) {
+		finch_log_show(type, name, account);
+		g_free(name);
+	}
+}
+
+
 /* Xeroxed from gtkdialogs.c:purple_gtkdialogs_remove_group_cb*/
 static void
 remove_group(PurpleGroup *group)
@@ -1540,6 +1579,10 @@ draw_context_menu(FinchBlist *ggblist)
 			add_custom_action(GNT_MENU(context), _("Toggle Tag"),
 					PURPLE_CALLBACK(finch_blist_toggle_tag_buddy), node);
 		}
+		if (!PURPLE_BLIST_NODE_IS_GROUP(node)) {
+			add_custom_action(GNT_MENU(context), _("View Log"),
+					PURPLE_CALLBACK(showlog_cb), node);
+		}
 	}
 
 	/* Set the position for the popup */
diff --git a/finch/gntconv.c b/finch/gntconv.c
index 287de351b4..ae2323094e 100644
--- a/finch/gntconv.c
+++ b/finch/gntconv.c
@@ -36,6 +36,7 @@
 #include "gntblist.h"
 #include "gntconv.h"
 #include "gntdebug.h"
+#include "gntlog.h"
 #include "gntplugin.h"
 #include "gntprefs.h"
 #include "gntsound.h"
@@ -468,6 +469,44 @@ send_to_cb(GntMenuItem *m, gpointer n)
 }
 
 static void
+view_log_cb(GntMenuItem *n, gpointer ggc)
+{
+	FinchConv *fc;
+	PurpleConversation *conv;
+	PurpleLogType type;
+	const char *name;
+	PurpleAccount *account;
+	GSList *buddies;
+	GSList *cur;
+
+	fc = ggc;
+	conv = fc->active_conv;
+
+	if (purple_conversation_get_type(conv) == PURPLE_CONV_TYPE_IM)
+		type = PURPLE_LOG_IM;
+	else if (purple_conversation_get_type(conv) == PURPLE_CONV_TYPE_CHAT)
+		type = PURPLE_LOG_CHAT;
+	else
+		return;
+
+	name = purple_conversation_get_name(conv);
+	account = purple_conversation_get_account(conv);
+
+	buddies = purple_find_buddies(account, name);
+	for (cur = buddies; cur != NULL; cur = cur->next) {
+		PurpleBlistNode *node = cur->data;
+		if ((node != NULL) && ((node->prev != NULL) || (node->next != NULL))) {
+			finch_log_show_contact((PurpleContact *)node->parent);
+			g_slist_free(buddies);
+			return;
+		}
+	}
+	g_slist_free(buddies);
+
+	finch_log_show(type, name, account);
+}
+
+static void
 generate_send_to_menu(FinchConv *ggc)
 {
 	GntWidget *sub, *menu = ggc->menu;
@@ -569,6 +608,10 @@ gg_create_menu(FinchConv *ggc)
 		generate_send_to_menu(ggc);
 	}
 
+	item = gnt_menuitem_new(_("View Log..."));
+	gnt_menu_add_item(GNT_MENU(sub), item);
+	gnt_menuitem_set_callback(item, view_log_cb, ggc);
+
 	item = gnt_menuitem_check_new(_("Enable Logging"));
 	gnt_menuitem_check_set_checked(GNT_MENU_ITEM_CHECK(item),
 			purple_conversation_is_logging(ggc->active_conv));
diff --git a/finch/gntlog.c b/finch/gntlog.c
new file mode 100644
index 0000000000..a931419162
--- /dev/null
+++ b/finch/gntlog.c
@@ -0,0 +1,504 @@
+/**
+ * @file gntlog.c GNT Log viewer
+ * @ingroup finch
+ */
+
+/* finch
+ *
+ * Finch is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+#include "internal.h"
+
+#include <gnt.h>
+#include <gntbox.h>
+#include <gntbutton.h>
+#include <gntentry.h>
+#include <gntlabel.h>
+#include <gnttextview.h>
+#include <gnttree.h>
+#include <gntwindow.h>
+
+#include "account.h"
+#include "debug.h"
+#include "log.h"
+#include "notify.h"
+#include "request.h"
+#include "util.h"
+
+#include "gntlog.h"
+
+static GHashTable *log_viewers = NULL;
+static void populate_log_tree(FinchLogViewer *lv);
+static FinchLogViewer *syslog_viewer = NULL;
+
+struct log_viewer_hash_t {
+	PurpleLogType type;
+	char *screenname;
+	PurpleAccount *account;
+	PurpleContact *contact;
+};
+
+static guint log_viewer_hash(gconstpointer data)
+{
+	const struct log_viewer_hash_t *viewer = data;
+
+	if (viewer->contact != NULL)
+		return g_direct_hash(viewer->contact);
+
+	return g_str_hash(viewer->screenname) +
+		g_str_hash(purple_account_get_username(viewer->account));
+}
+
+static gboolean log_viewer_equal(gconstpointer y, gconstpointer z)
+{
+	const struct log_viewer_hash_t *a, *b;
+	int ret;
+	char *normal;
+
+	a = y;
+	b = z;
+
+	if (a->contact != NULL) {
+		if (b->contact != NULL)
+			return (a->contact == b->contact);
+		else
+			return FALSE;
+	} else {
+		if (b->contact != NULL)
+			return FALSE;
+	}
+
+	normal = g_strdup(purple_normalize(a->account, a->screenname));
+	ret = (a->account == b->account) &&
+		!strcmp(normal, purple_normalize(b->account, b->screenname));
+	g_free(normal);
+
+	return ret;
+}
+
+static const char *log_get_date(PurpleLog *log)
+{
+	if (log->tm)
+		return purple_date_format_full(log->tm);
+	else
+		return purple_date_format_full(localtime(&log->time));
+}
+
+static void search_cb(GntWidget *button, FinchLogViewer *lv)
+{
+	const char *search_term = gnt_entry_get_text(GNT_ENTRY(lv->entry));
+	GList *logs;
+
+	if (!(*search_term)) {
+		/* reset the tree */
+		gnt_tree_remove_all(GNT_TREE(lv->tree));
+		g_free(lv->search);
+		lv->search = NULL;
+		populate_log_tree(lv);
+		return;
+	}
+
+	if (lv->search != NULL && !strcmp(lv->search, search_term)) {
+		return;
+	}
+
+	g_free(lv->search);
+	lv->search = g_strdup(search_term);
+
+	gnt_tree_remove_all(GNT_TREE(lv->tree));
+	gnt_text_view_clear(GNT_TEXT_VIEW(lv->text));
+
+	for (logs = lv->logs; logs != NULL; logs = logs->next) {
+		char *read = purple_log_read((PurpleLog*)logs->data, NULL);
+		if (read && *read && purple_strcasestr(read, search_term)) {
+			PurpleLog *log = logs->data;
+
+			gnt_tree_add_row_last(GNT_TREE(lv->tree),
+									log,
+									gnt_tree_create_row(GNT_TREE(lv->tree), log_get_date(log)),
+									NULL);
+		}
+		g_free(read);
+	}
+
+}
+
+static void destroy_cb(GntWidget *w, struct log_viewer_hash_t *ht) {
+	FinchLogViewer *lv = syslog_viewer;
+
+	if (ht != NULL) {
+		lv = g_hash_table_lookup(log_viewers, ht);
+		g_hash_table_remove(log_viewers, ht);
+
+		g_free(ht->screenname);
+		g_free(ht);
+	} else
+		syslog_viewer = NULL;
+
+	purple_request_close_with_handle(lv);
+
+	g_list_foreach(lv->logs, (GFunc)purple_log_free, NULL);
+	g_list_free(lv->logs);
+
+	g_free(lv->search);
+	g_free(lv);
+
+	gnt_widget_destroy(w);
+}
+
+static void log_select_cb(GntWidget *w, gpointer old, gpointer new, FinchLogViewer *viewer) {
+	GntTree *tree = GNT_TREE(w);
+	PurpleLog *log = NULL;
+	PurpleLogReadFlags flags;
+	char *read = NULL, *strip, *newline;
+	int h;
+
+	if (!viewer->search && !gnt_tree_get_parent_key(tree, new))
+		return;
+
+	log = (PurpleLog *)new;
+
+	if (log == NULL)
+		return;
+
+	if (log->type != PURPLE_LOG_SYSTEM) {
+		char *title;
+		if (log->type == PURPLE_LOG_CHAT)
+			title = g_strdup_printf(_("Conversation in %s on %s"),
+									log->name, log_get_date(log));
+		else
+			title = g_strdup_printf(_("Conversation with %s on %s"),
+									log->name, log_get_date(log));
+
+		gnt_label_set_text(GNT_LABEL(viewer->label), title);
+		g_free(title);
+	}
+
+	read = purple_log_read(log, &flags);
+	if (flags != PURPLE_LOG_READ_NO_NEWLINE) {
+		newline = purple_strdup_withhtml(read);
+		strip = purple_markup_strip_html(newline);
+		g_free(newline);
+	} else {
+		strip = purple_markup_strip_html(read);
+	}
+	viewer->flags = flags;
+
+	purple_signal_emit(finch_log_get_handle(), "log-displaying", viewer, log);
+
+	gnt_text_view_clear(GNT_TEXT_VIEW(viewer->text));
+	gnt_text_view_append_text_with_flags(GNT_TEXT_VIEW(viewer->text), strip, GNT_TEXT_FLAG_NORMAL);
+	gnt_widget_get_size(viewer->text, NULL, &h);
+	gnt_text_view_scroll(GNT_TEXT_VIEW(viewer->text), h - 2);
+	g_free(read);
+	g_free(strip);
+}
+
+/* I want to make this smarter, but haven't come up with a cool algorithm to do so, yet.
+ * I want the tree to be divided into groups like "Today," "Yesterday," "Last week,"
+ * "August," "2002," etc. based on how many conversation took place in each subdivision.
+ *
+ * For now, I'll just make it a flat list.
+ */
+static void populate_log_tree(FinchLogViewer *lv)
+     /* Logs are made from trees in real life.
+        This is a tree made from logs */
+{
+	const char *pmonth;
+	char *month = NULL;
+	char prev_top_month[30] = "";
+	GList *logs = lv->logs;
+
+	while (logs != NULL) {
+		PurpleLog *log = logs->data;
+
+		pmonth = purple_utf8_strftime(_("%B %Y"),
+		                           log->tm ? log->tm : localtime(&log->time));
+
+		if (strcmp(pmonth, prev_top_month) != 0) {
+			month = g_strdup(pmonth);
+			/* top level */
+			gnt_tree_add_row_last(GNT_TREE(lv->tree),
+									month,
+									gnt_tree_create_row(GNT_TREE(lv->tree), month),
+									NULL);
+			gnt_tree_set_expanded(GNT_TREE(lv->tree), month, FALSE);
+
+			strncpy(prev_top_month, month, sizeof(prev_top_month));
+		}
+
+		/* sub */
+		gnt_tree_add_row_last(GNT_TREE(lv->tree),
+								log,
+								gnt_tree_create_row(GNT_TREE(lv->tree), log_get_date(log)),
+								month);
+
+		logs = logs->next;
+	}
+}
+
+static FinchLogViewer *display_log_viewer(struct log_viewer_hash_t *ht, GList *logs,
+						const char *title, int log_size)
+{
+	FinchLogViewer *lv;
+	char *text;
+	GntWidget *vbox, *hbox;
+	GntWidget *size_label;
+
+	if (logs == NULL)
+	{
+		/* No logs were found. */
+		const char *log_preferences = NULL;
+
+		if (ht == NULL) {
+			if (!purple_prefs_get_bool("/purple/logging/log_system"))
+				log_preferences = _("System events will only be logged if the \"Log all status changes to system log\" preference is enabled.");
+		} else {
+			if (ht->type == PURPLE_LOG_IM) {
+				if (!purple_prefs_get_bool("/purple/logging/log_ims"))
+					log_preferences = _("Instant messages will only be logged if the \"Log all instant messages\" preference is enabled.");
+			} else if (ht->type == PURPLE_LOG_CHAT) {
+				if (!purple_prefs_get_bool("/purple/logging/log_chats"))
+					log_preferences = _("Chats will only be logged if the \"Log all chats\" preference is enabled.");
+			}
+			g_free(ht->screenname);
+			g_free(ht);
+		}
+
+		purple_notify_info(NULL, title, _("No logs were found"), log_preferences);
+		return NULL;
+	}
+
+	lv = g_new0(FinchLogViewer, 1);
+	lv->logs = logs;
+
+	if (ht != NULL)
+		g_hash_table_insert(log_viewers, ht, lv);
+
+	/* Window ***********/
+	lv->window = gnt_vwindow_new(FALSE);
+	gnt_box_set_title(GNT_BOX(lv->window), title);
+	gnt_box_set_toplevel(GNT_BOX(lv->window), TRUE);
+	gnt_box_set_pad(GNT_BOX(lv->window), 0);
+	g_signal_connect(G_OBJECT(lv->window), "destroy", G_CALLBACK(destroy_cb), ht);
+
+	vbox = gnt_vbox_new(FALSE);
+	gnt_box_add_widget(GNT_BOX(lv->window), vbox);
+
+	/* Label ************/
+	text = g_strdup_printf("%s", title);
+	lv->label = gnt_label_new(text);
+	g_free(text);
+	gnt_box_add_widget(GNT_BOX(vbox), lv->label);
+
+	hbox = gnt_hbox_new(FALSE);
+	gnt_box_add_widget(GNT_BOX(vbox), hbox);
+	/* List *************/
+	lv->tree = gnt_tree_new();
+	gnt_widget_set_size(lv->tree, 30, 0);
+	populate_log_tree(lv);
+	g_signal_connect (G_OBJECT(lv->tree), "selection-changed",
+			G_CALLBACK (log_select_cb),
+			lv);
+	gnt_box_add_widget(GNT_BOX(hbox), lv->tree);
+
+	/* Viewer ************/
+	lv->text = gnt_text_view_new();
+	gnt_box_add_widget(GNT_BOX(hbox), lv->text);
+
+	hbox = gnt_hbox_new(FALSE);
+	gnt_box_add_widget(GNT_BOX(vbox), hbox);
+	/* Log size ************/
+	if (log_size) {
+		char *sz_txt = purple_str_size_to_units(log_size);
+		text = g_strdup_printf("%s %s", _("Total log size:"), sz_txt);
+		size_label = gnt_label_new(text);
+		gnt_box_add_widget(GNT_BOX(hbox), size_label);
+		g_free(sz_txt);
+		g_free(text);
+	}
+
+	/* Search box **********/
+	gnt_box_add_widget(GNT_BOX(hbox), gnt_label_new(_("Scroll/Search: ")));
+	lv->entry = gnt_entry_new("");
+	gnt_box_add_widget(GNT_BOX(hbox), lv->entry);
+	g_signal_connect(GNT_ENTRY(lv->entry), "activate", G_CALLBACK(search_cb), lv);
+
+	gnt_text_view_attach_scroll_widget(GNT_TEXT_VIEW(lv->text), lv->entry);
+	gnt_text_view_attach_pager_widget(GNT_TEXT_VIEW(lv->text), lv->entry);
+
+	gnt_widget_show(lv->window);
+
+	return lv;
+}
+
+void finch_log_show(PurpleLogType type, const char *screenname, PurpleAccount *account) {
+	struct log_viewer_hash_t *ht;
+	FinchLogViewer *lv = NULL;
+	const char *name = screenname;
+	char *title;
+
+	g_return_if_fail(account != NULL);
+	g_return_if_fail(screenname != NULL);
+
+	ht = g_new0(struct log_viewer_hash_t, 1);
+
+	ht->type = type;
+	ht->screenname = g_strdup(screenname);
+	ht->account = account;
+
+	if (log_viewers == NULL) {
+		log_viewers = g_hash_table_new(log_viewer_hash, log_viewer_equal);
+	} else if ((lv = g_hash_table_lookup(log_viewers, ht))) {
+		gnt_window_present(lv->window);
+		g_free(ht->screenname);
+		g_free(ht);
+		return;
+	}
+
+	if (type == PURPLE_LOG_CHAT) {
+		PurpleChat *chat;
+
+		chat = purple_blist_find_chat(account, screenname);
+		if (chat != NULL)
+			name = purple_chat_get_name(chat);
+
+		title = g_strdup_printf(_("Conversations in %s"), name);
+	} else {
+		PurpleBuddy *buddy;
+
+		buddy = purple_find_buddy(account, screenname);
+		if (buddy != NULL)
+			name = purple_buddy_get_contact_alias(buddy);
+
+		title = g_strdup_printf(_("Conversations with %s"), name);
+	}
+
+	display_log_viewer(ht, purple_log_get_logs(type, screenname, account),
+			title, purple_log_get_total_size(type, screenname, account));
+
+	g_free(title);
+}
+
+void finch_log_show_contact(PurpleContact *contact) {
+	struct log_viewer_hash_t *ht;
+	PurpleBlistNode *child;
+	FinchLogViewer *lv = NULL;
+	GList *logs = NULL;
+	const char *name = NULL;
+	char *title;
+	int total_log_size = 0;
+
+	g_return_if_fail(contact != NULL);
+
+	ht = g_new0(struct log_viewer_hash_t, 1);
+	ht->type = PURPLE_LOG_IM;
+	ht->contact = contact;
+
+	if (log_viewers == NULL) {
+		log_viewers = g_hash_table_new(log_viewer_hash, log_viewer_equal);
+	} else if ((lv = g_hash_table_lookup(log_viewers, ht))) {
+		gnt_window_present(lv->window);
+		g_free(ht);
+		return;
+	}
+
+	for (child = contact->node.child ; child ; child = child->next) {
+		if (!PURPLE_BLIST_NODE_IS_BUDDY(child))
+			continue;
+
+		logs = g_list_concat(purple_log_get_logs(PURPLE_LOG_IM, ((PurpleBuddy *)child)->name,
+						((PurpleBuddy *)child)->account), logs);
+		total_log_size += purple_log_get_total_size(PURPLE_LOG_IM, ((PurpleBuddy *)child)->name, ((PurpleBuddy *)child)->account);
+	}
+	logs = g_list_sort(logs, purple_log_compare);
+
+	if (contact->alias != NULL)
+		name = contact->alias;
+	else if (contact->priority != NULL)
+		name = purple_buddy_get_contact_alias(contact->priority);
+
+	/* This will happen if the contact doesn't have an alias,
+	 * and none of the contact's buddies are online.
+	 * There is probably a better way to deal with this. */
+	if (name == NULL) {
+		if (contact->node.child != NULL && PURPLE_BLIST_NODE_IS_BUDDY(contact->node.child))
+			name = purple_buddy_get_contact_alias((PurpleBuddy *) contact->node.child);
+		if (name == NULL)
+			name = "";
+	}
+
+	title = g_strdup_printf(_("Conversations with %s"), name);
+	display_log_viewer(ht, logs, title, total_log_size);
+	g_free(title);
+}
+
+void finch_syslog_show()
+{
+	GList *accounts = NULL;
+	GList *logs = NULL;
+
+	if (syslog_viewer != NULL) {
+		gnt_window_present(syslog_viewer->window);
+		return;
+	}
+
+	for(accounts = purple_accounts_get_all(); accounts != NULL; accounts = accounts->next) {
+
+		PurpleAccount *account = (PurpleAccount *)accounts->data;
+		if(purple_find_prpl(purple_account_get_protocol_id(account)) == NULL)
+			continue;
+
+		logs = g_list_concat(purple_log_get_system_logs(account), logs);
+	}
+	logs = g_list_sort(logs, purple_log_compare);
+
+	syslog_viewer = display_log_viewer(NULL, logs, _("System Log"), 0);
+}
+
+/****************************************************************************
+ * GNT LOG SUBSYSTEM *******************************************************
+ ****************************************************************************/
+
+void *
+finch_log_get_handle(void)
+{
+	static int handle;
+
+	return &handle;
+}
+
+void finch_log_init(void)
+{
+	void *handle = finch_log_get_handle();
+
+	purple_signal_register(handle, "log-displaying",
+	                     purple_marshal_VOID__POINTER_POINTER,
+	                     NULL, 2,
+	                     purple_value_new(PURPLE_TYPE_BOXED,
+	                                    "FinchLogViewer *"),
+	                     purple_value_new(PURPLE_TYPE_SUBTYPE,
+	                                    PURPLE_SUBTYPE_LOG));
+}
+
+void
+finch_log_uninit(void)
+{
+	purple_signals_unregister_by_instance(finch_log_get_handle());
+}
diff --git a/finch/gntlog.h b/finch/gntlog.h
new file mode 100644
index 0000000000..e46c2bbdc3
--- /dev/null
+++ b/finch/gntlog.h
@@ -0,0 +1,83 @@
+/**
+ * @file gntlog.h GNT Log viewer
+ * @ingroup finch
+ * @see @ref gntlog-signals
+ */
+
+/* finch
+ *
+ * Finch is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ * 
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+#ifndef _FINCHLOG_H_
+#define _FINCHLOG_H_
+
+#include "log.h"
+#include "account.h"
+#include "gntwidget.h"
+
+typedef struct _FinchLogViewer FinchLogViewer;
+
+/**
+ * A GNT Log Viewer.  You can look at logs with it.
+ */
+struct _FinchLogViewer {
+	GList *logs;                 /**< The list of logs viewed in this viewer   */
+
+	GntWidget	*window;    /**< The viewer's window                      */
+	GntWidget	*tree;      /**< The tree representing said treestore */
+	GntWidget	*text;      /**< The text to display said logs          */
+	GntWidget	*entry;     /**< The search entry, in which search terms
+	                              *   are entered                              */
+	GntWidget	*label;
+	PurpleLogReadFlags flags;      /**< The most recently used log flags         */
+	char		*search;    /**< The string currently being searched for  */
+};
+
+
+
+void finch_log_show(PurpleLogType type, const char *screenname, PurpleAccount *account);
+void finch_log_show_contact(PurpleContact *contact);
+
+void finch_syslog_show(void);
+
+/**************************************************************************/
+/** @name GNT Log Subsystem                                              */
+/**************************************************************************/
+/*@{*/
+
+/**
+ * Initializes the GNT log subsystem.
+ */
+void finch_log_init(void);
+
+/**
+ * Returns the GNT log subsystem handle.
+ *
+ * @return The GNT log subsystem handle.
+ */
+void *finch_log_get_handle(void);
+
+/**
+ * Uninitializes the GNT log subsystem.
+ */
+void finch_log_uninit(void);
+
+/*@}*/
+
+#endif
diff --git a/finch/gntui.c b/finch/gntui.c
index 0be9450b59..7ebdf1a59d 100644
--- a/finch/gntui.c
+++ b/finch/gntui.c
@@ -30,6 +30,7 @@
 #include "gntconv.h"
 #include "gntdebug.h"
 #include "gntft.h"
+#include "gntlog.h"
 #include "gntnotify.h"
 #include "gntplugin.h"
 #include "gntpounce.h"
@@ -79,6 +80,9 @@ void gnt_ui_init()
 	/* Pounce */
 	finch_pounces_init();
 
+	/* Log */
+	finch_log_init();
+
 	/* File transfer */
 	finch_xfers_init();
 	purple_xfers_set_ui_ops(finch_xfers_get_ui_ops());
@@ -124,6 +128,8 @@ void gnt_ui_uninit()
 
 	finch_pounces_uninit();
 
+	finch_log_uninit();
+
 	finch_xfers_uninit();
 	purple_xfers_set_ui_ops(NULL);