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authorJerzy MansarliƄski <manjur87@gmail.com>2009-11-01 00:08:00 +0800
committerJerzy MansarliƄski <manjur87@gmail.com>2009-11-01 00:08:00 +0800
commitede64d4975a1fca4a562e4635dc43856610788ed (patch)
treeef63b9d0a0831127d0076229b2866945cb3f1a55 /libempathy-gtk
parentc415943206357644af15d4dfd3d8fa3f610ef3c8 (diff)
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empathy-chat.c: input history - Using GList pointer instead of gint index.
Diffstat (limited to 'libempathy-gtk')
-rw-r--r--libempathy-gtk/empathy-chat.c192
1 files changed, 109 insertions, 83 deletions
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index a9f4c499e..b6356f834 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -73,8 +73,8 @@ typedef struct {
EmpathyLogManager *log_manager;
EmpathyAccountManager *account_manager;
- GSList *input_history;
- gint input_history_index;
+ GList *input_history;
+ GList *input_history_current;
GList *compositors;
GCompletion *completion;
guint composing_stop_timeout_id;
@@ -367,13 +367,23 @@ chat_input_history_entry_get_text (InputHistoryEntry *entry)
return entry->text;
}
+static GList *
+chat_input_history_remove_item (GList *list,
+ GList *item)
+{
+ list = g_list_remove_link (list, item);
+ chat_input_history_entry_free (item->data);
+ g_list_free_1 (item);
+ return list;
+}
+
static void
chat_input_history_revert (EmpathyChat *chat)
{
- EmpathyChatPriv *priv;
- GSList *list;
- GSList *item1;
- GSList *item2;
+ EmpathyChatPriv *priv;
+ GList *list;
+ GList *item1;
+ GList *item2;
InputHistoryEntry *entry;
priv = GET_PRIV (chat);
@@ -385,92 +395,98 @@ chat_input_history_revert (EmpathyChat *chat)
}
/* Delete temporary entry */
- if (priv->input_history_index != -1) {
+ if (priv->input_history_current != NULL) {
item1 = list;
- list = g_slist_remove_link (list, item1);
- chat_input_history_entry_free (item1->data);
- g_slist_free_1 (item1);
- priv->input_history_index--;
+ list = chat_input_history_remove_item (list, item1);
+ if (priv->input_history_current == item1) {
+ /* Removed temporary entry was current entry */
+ priv->input_history = list;
+ priv->input_history_current = NULL;
+ return;
+ }
+ }
+ else {
+ /* There is no entry to revert */
+ return;
}
- /* Restore the current history message to original value */
- if (priv->input_history_index >= 0) {
- item1 = g_slist_nth (list, priv->input_history_index);
- entry = item1->data;
- chat_input_history_entry_revert (entry);
+ /* Restore the current history entry to original value */
+ item1 = priv->input_history_current;
+ entry = item1->data;
+ chat_input_history_entry_revert (entry);
- /* Remove restored entry if there is other occurance before this entry */
- item2 = g_slist_find_custom (list, chat_input_history_entry_get_text (entry),
+ /* Remove restored entry if there is other occurance before this entry */
+ item2 = g_list_find_custom (list, chat_input_history_entry_get_text (entry),
+ (GCompareFunc) chat_input_history_entry_cmp);
+ if (item2 != item1) {
+ list = chat_input_history_remove_item (list, item1);
+ }
+ else {
+ /* Remove other occurance of the restored entry */
+ item2 = g_list_find_custom (item1->next,
+ chat_input_history_entry_get_text (entry),
(GCompareFunc) chat_input_history_entry_cmp);
- if (item2 != item1) {
- list = g_slist_remove_link (list, item1);
- chat_input_history_entry_free (item1->data);
- g_slist_free1 (item1);
+ if (item2 != NULL) {
+ list = chat_input_history_remove_item (list, item2);
}
- else {
- /* Remove other occurance of the restored entry */
- item2 = g_slist_find_custom (item1->next,
- chat_input_history_entry_get_text (entry),
- (GCompareFunc) chat_input_history_entry_cmp);
- if (item2 != NULL) {
- list = g_slist_remove_link (list, item2);
- chat_input_history_entry_free (item2->data);
- g_slist_free1 (item2);
- }
- }
-
}
- priv->input_history_index = -1;
+ priv->input_history_current = NULL;
priv->input_history = list;
-
}
static void
chat_input_history_add (EmpathyChat *chat,
- const gchar *str)
+ const gchar *str,
+ gboolean temporary)
{
- EmpathyChatPriv *priv;
- GSList *list;
- GSList *item;
+ EmpathyChatPriv *priv;
+ GList *list;
+ GList *item;
InputHistoryEntry *entry;
priv = GET_PRIV (chat);
list = priv->input_history;
- /* Remove any other occurances of this entry */
- while ((item = g_slist_find_custom (list, str, (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
- list = g_slist_remove_link (list, item);
- chat_input_history_entry_free (item->data);
- g_slist_free1 (item);
- }
+ /* Remove any other occurances of this entry, if not temporary */
+ if (!temporary) {
+ while ((item = g_list_find_custom (list, str,
+ (GCompareFunc) chat_input_history_entry_cmp)) != NULL) {
+ list = chat_input_history_remove_item (list, item);
+ }
- /* Trim the list to the last 10 items */
- while (g_slist_length (list) > 10) {
- item = g_slist_last (list);
- if (item != NULL) {
- list = g_slist_remove_link (list, item);
- chat_input_history_entry_free (item->data);
- g_slist_free1 (item);
+ /* Trim the list to the last 10 items */
+ while (g_list_length (list) > 10) {
+ item = g_list_last (list);
+ if (item != NULL) {
+ list = chat_input_history_remove_item (list, item);
+ }
}
}
+
+
/* Add new entry */
entry = chat_input_history_entry_new_with_text (str);
- list = g_slist_prepend (list, entry);
+ list = g_list_prepend (list, entry);
- /* Set list and reset the index */
+ /* Set the list and the current item pointer */
priv->input_history = list;
- priv->input_history_index = -1;
+ if (temporary) {
+ priv->input_history_current = list;
+ }
+ else {
+ priv->input_history_current = NULL;
+ }
}
static const gchar *
chat_input_history_get_next (EmpathyChat *chat)
{
EmpathyChatPriv *priv;
- gint max;
- InputHistoryEntry *entry;
+ GList *item;
+ const gchar *msg;
priv = GET_PRIV (chat);
@@ -478,42 +494,54 @@ chat_input_history_get_next (EmpathyChat *chat)
DEBUG ("No input history, next entry is NULL");
return NULL;
}
+ g_assert (priv->input_history_current != NULL);
- max = g_slist_length (priv->input_history) - 1;
-
- if (priv->input_history_index < max) {
- priv->input_history_index++;
+ if ((item = g_list_next (priv->input_history_current)) == NULL)
+ {
+ item = priv->input_history_current;
}
- DEBUG ("Returning next entry index:%d", priv->input_history_index);
+ msg = chat_input_history_entry_get_text (item->data);
+
+ DEBUG ("Returning next entry: '%s'", msg);
- entry = g_slist_nth_data (priv->input_history, priv->input_history_index);
- return chat_input_history_entry_get_text (entry);
+ priv->input_history_current = item;
+
+ return msg;
}
static const gchar *
-chat_input_history_get_last (EmpathyChat *chat)
+chat_input_history_get_prev (EmpathyChat *chat)
{
EmpathyChatPriv *priv;
- InputHistoryEntry *entry;
+ GList *item;
+ const gchar *msg;
g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
priv = GET_PRIV (chat);
if (priv->input_history == NULL) {
- DEBUG ("No input history, last entry is NULL");
+ DEBUG ("No input history, previous entry is NULL");
return NULL;
}
- if (priv->input_history_index > 0) {
- priv->input_history_index--;
+ if (priv->input_history_current == NULL)
+ {
+ return NULL;
+ }
+ else if ((item = g_list_previous (priv->input_history_current)) == NULL)
+ {
+ item = priv->input_history_current;
}
- DEBUG ("Returning last entry index:%d", priv->input_history_index);
+ msg = chat_input_history_entry_get_text (item->data);
- entry = g_slist_nth_data (priv->input_history, priv->input_history_index);
- return chat_input_history_entry_get_text (entry);
+ DEBUG ("Returning previous entry: '%s'", msg);
+
+ priv->input_history_current = item;
+
+ return msg;
}
static void
@@ -530,17 +558,15 @@ chat_input_history_update (EmpathyChat *chat,
gtk_text_buffer_get_bounds (buffer, &start, &end);
text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
- if (priv->input_history_index == -1) {
+ if (priv->input_history_current == NULL) {
/* Add the current text temporarily to the history */
- chat_input_history_add (chat, text);
- priv->input_history_index++;
-
+ chat_input_history_add (chat, text, TRUE);
g_free (text);
return;
}
/* Save the changes in the history */
- entry = g_slist_nth_data (priv->input_history, priv->input_history_index);
+ entry = priv->input_history_current->data;
if (tp_strdiff (chat_input_history_entry_get_text (entry), text)) {
chat_input_history_entry_update_text (entry, text);
}
@@ -561,7 +587,7 @@ chat_send (EmpathyChat *chat,
priv = GET_PRIV (chat);
- chat_input_history_add (chat, msg);
+ chat_input_history_add (chat, msg, FALSE);
if (strcmp (msg, "/clear") == 0) {
empathy_chat_view_clear (chat->view);
@@ -874,7 +900,7 @@ chat_input_key_press_event_cb (GtkWidget *widget,
if (event->keyval == GDK_Up) {
str = chat_input_history_get_next (chat);
} else {
- str = chat_input_history_get_last (chat);
+ str = chat_input_history_get_prev (chat);
}
g_signal_handlers_block_by_func (buffer,
@@ -1707,8 +1733,8 @@ chat_finalize (GObject *object)
DEBUG ("Finalized: %p", object);
- g_slist_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
- g_slist_free (priv->input_history);
+ g_list_foreach (priv->input_history, (GFunc) chat_input_history_entry_free, NULL);
+ g_list_free (priv->input_history);
g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
g_list_free (priv->compositors);
@@ -1883,7 +1909,7 @@ empathy_chat_init (EmpathyChat *chat)
priv->log_manager = empathy_log_manager_dup_singleton ();
priv->contacts_width = -1;
priv->input_history = NULL;
- priv->input_history_index = -1;
+ priv->input_history_current = NULL;
priv->account_manager = empathy_account_manager_dup_singleton ();
g_signal_connect (priv->account_manager,