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/*
* @file libsexy/sexy-icon-entry.c Entry widget
*
* @Copyright (C) 2004-2006 Christian Hammond.
* Some of this code is from gtkspell, Copyright (C) 2002 Evan Martin.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 <gtk/gtk.h>
#include "sexy-spell-entry.h"
#include <string.h>
#include <fcntl.h>
#include <glib/gi18n.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sexy-iso-codes.h"
#include "sexy-marshal.h"
#ifdef WIN32
#include "typedef.h"
#include <io.h>
#else
#include <unistd.h>
#endif
#include "../common/cfgfiles.h"
#include "../common/xchatc.h"
/*
* Bunch of poop to make enchant into a runtime dependency rather than a
* compile-time dependency. This makes it so I don't have to hear the
* complaints from people with binary distributions who don't get spell
* checking because they didn't check their configure output.
*/
struct EnchantDict;
struct EnchantBroker;
typedef void (*EnchantDictDescribeFn) (const char * const lang_tag,
const char * const provider_name,
const char * const provider_desc,
const char * const provider_file,
void * user_data);
static struct EnchantBroker * (*enchant_broker_init) (void);
static void (*enchant_broker_free) (struct EnchantBroker * broker);
static void (*enchant_broker_free_dict) (struct EnchantBroker * broker, struct EnchantDict * dict);
static void (*enchant_broker_list_dicts) (struct EnchantBroker * broker, EnchantDictDescribeFn fn, void * user_data);
static struct EnchantDict * (*enchant_broker_request_dict) (struct EnchantBroker * broker, const char *const tag);
static void (*enchant_dict_add_to_personal) (struct EnchantDict * dict, const char *const word, ssize_t len);
static void (*enchant_dict_add_to_session) (struct EnchantDict * dict, const char *const word, ssize_t len);
static int (*enchant_dict_check) (struct EnchantDict * dict, const char *const word, ssize_t len);
static void (*enchant_dict_describe) (struct EnchantDict * dict, EnchantDictDescribeFn fn, void * user_data);
static void (*enchant_dict_free_suggestions) (struct EnchantDict * dict, char **suggestions);
static void (*enchant_dict_store_replacement) (struct EnchantDict * dict, const char *const mis, ssize_t mis_len, const char *const cor, ssize_t cor_len);
static char ** (*enchant_dict_suggest) (struct EnchantDict * dict, const char *const word, ssize_t len, size_t * out_n_suggs);
static gboolean have_enchant = FALSE;
struct _SexySpellEntryPriv
{
struct EnchantBroker *broker;
PangoAttrList *attr_list;
gint mark_character;
GHashTable *dict_hash;
GSList *dict_list;
gchar **words;
gint *word_starts;
gint *word_ends;
gboolean checked;
};
static void sexy_spell_entry_class_init(SexySpellEntryClass *klass);
static void sexy_spell_entry_editable_init (GtkEditableClass *iface);
static void sexy_spell_entry_init(SexySpellEntry *entry);
static void sexy_spell_entry_finalize(GObject *obj);
static void sexy_spell_entry_destroy(GtkObject *obj);
static gint sexy_spell_entry_expose(GtkWidget *widget, GdkEventExpose *event);
static gint sexy_spell_entry_button_press(GtkWidget *widget, GdkEventButton *event);
/* GtkEditable handlers */
static void sexy_spell_entry_changed(GtkEditable *editable, gpointer data);
/* Other handlers */
static gboolean sexy_spell_entry_popup_menu(GtkWidget *widget, SexySpellEntry *entry);
/* Internal utility functions */
static gint gtk_entry_find_position (GtkEntry *entry,
gint x);
static gboolean word_misspelled (SexySpellEntry *entry,
int start,
int end);
static gboolean default_word_check (SexySpellEntry *entry,
const gchar *word);
static gboolean sexy_spell_entry_activate_language_internal (SexySpellEntry *entry,
const gchar *lang,
GError **error);
static gchar *get_lang_from_dict (struct EnchantDict *dict);
static void sexy_spell_entry_recheck_all (SexySpellEntry *entry);
static void entry_strsplit_utf8 (GtkEntry *entry,
gchar ***set,
gint **starts,
gint **ends);
static GtkEntryClass *parent_class = NULL;
G_DEFINE_TYPE_EXTENDED(SexySpellEntry, sexy_spell_entry, GTK_TYPE_ENTRY, 0, G_IMPLEMENT_INTERFACE(GTK_TYPE_EDITABLE, sexy_spell_entry_editable_init));
enum
{
WORD_CHECK,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = {0};
static gboolean
spell_accumulator(GSignalInvocationHint *hint, GValue *return_accu, const GValue *handler_return, gpointer data)
{
gboolean ret = g_value_get_boolean(handler_return);
/* Handlers return TRUE if the word is misspelled. In this
* case, it means that we want to stop if the word is checked
* as correct */
g_value_set_boolean (return_accu, ret);
return ret;
}
static void
initialize_enchant ()
{
GModule *enchant;
gpointer funcptr;
#ifdef WIN32
enchant = g_module_open("libenchant.dll", 0);
#else
enchant = g_module_open("libenchant", 0);
#endif
if (enchant == NULL)
{
#ifndef WIN32
enchant = g_module_open("libenchant.so.1", 0);
if (enchant == NULL)
return;
#endif
return;
}
have_enchant = TRUE;
#define MODULE_SYMBOL(name, func) \
g_module_symbol(enchant, (name), &funcptr); \
(func) = funcptr;
MODULE_SYMBOL("enchant_broker_init", enchant_broker_init)
MODULE_SYMBOL("enchant_broker_free", enchant_broker_free)
MODULE_SYMBOL("enchant_broker_free_dict", enchant_broker_free_dict)
MODULE_SYMBOL("enchant_broker_list_dicts", enchant_broker_list_dicts)
MODULE_SYMBOL("enchant_broker_request_dict", enchant_broker_request_dict)
MODULE_SYMBOL("enchant_dict_add_to_personal", enchant_dict_add_to_personal)
MODULE_SYMBOL("enchant_dict_add_to_session", enchant_dict_add_to_session)
MODULE_SYMBOL("enchant_dict_check", enchant_dict_check)
MODULE_SYMBOL("enchant_dict_describe", enchant_dict_describe)
MODULE_SYMBOL("enchant_dict_free_suggestions",
enchant_dict_free_suggestions)
MODULE_SYMBOL("enchant_dict_store_replacement",
enchant_dict_store_replacement)
MODULE_SYMBOL("enchant_dict_suggest", enchant_dict_suggest)
#undef MODULE_SYMBOL
}
static void
sexy_spell_entry_class_init(SexySpellEntryClass *klass)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkEntryClass *entry_class;
initialize_enchant();
parent_class = g_type_class_peek_parent(klass);
gobject_class = G_OBJECT_CLASS(klass);
object_class = GTK_OBJECT_CLASS(klass);
widget_class = GTK_WIDGET_CLASS(klass);
entry_class = GTK_ENTRY_CLASS(klass);
if (have_enchant)
klass->word_check = default_word_check;
gobject_class->finalize = sexy_spell_entry_finalize;
object_class->destroy = sexy_spell_entry_destroy;
widget_class->expose_event = sexy_spell_entry_expose;
widget_class->button_press_event = sexy_spell_entry_button_press;
/**
* SexySpellEntry::word-check:
* @entry: The entry on which the signal is emitted.
* @word: The word to check.
*
* The ::word-check signal is emitted whenever the entry has to check
* a word. This allows the application to mark words as correct even
* if none of the active dictionaries contain it, such as nicknames in
* a chat client.
*
* Returns: %FALSE to indicate that the word should be marked as
* correct.
*/
signals[WORD_CHECK] = g_signal_new("word_check",
G_TYPE_FROM_CLASS(object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(SexySpellEntryClass, word_check),
(GSignalAccumulator) spell_accumulator, NULL,
sexy_marshal_BOOLEAN__STRING,
G_TYPE_BOOLEAN,
1, G_TYPE_STRING);
}
static void
sexy_spell_entry_editable_init (GtkEditableClass *iface)
{
}
static gint
gtk_entry_find_position (GtkEntry *entry, gint x)
{
PangoLayout *layout;
PangoLayoutLine *line;
const gchar *text;
gint cursor_index;
gint index;
gint pos;
gboolean trailing;
x = x + entry->scroll_offset;
layout = gtk_entry_get_layout(entry);
text = pango_layout_get_text(layout);
cursor_index = g_utf8_offset_to_pointer(text, entry->current_pos) - text;
line = pango_layout_get_lines(layout)->data;
pango_layout_line_x_to_index(line, x * PANGO_SCALE, &index, &trailing);
if (index >= cursor_index && entry->preedit_length) {
if (index >= cursor_index + entry->preedit_length) {
index -= entry->preedit_length;
} else {
index = cursor_index;
trailing = FALSE;
}
}
pos = g_utf8_pointer_to_offset (text, text + index);
pos += trailing;
return pos;
}
static void
insert_underline(SexySpellEntry *entry, guint start, guint end)
{
int fh, l;
int red, green, blue;
struct stat st;
char *cfg;
PangoAttribute *ucolor;
PangoAttribute *unline;
fh = xchat_open_file ("colors.conf", O_RDONLY, 0, 0);
if (fh != -1)
{
fstat (fh, &st);
cfg = malloc (st.st_size + 1);
if (cfg)
{
cfg[0] = '\0';
l = read (fh, cfg, st.st_size);
if (l >= 0)
{
cfg[l] = '\0';
}
cfg_get_color (cfg, "color_265", &red, &green, &blue);
free (cfg);
}
close (fh);
} else
{
red = 65535;
green = blue = 0;
}
ucolor = pango_attr_underline_color_new (red, green, blue);
unline = pango_attr_underline_new (PANGO_UNDERLINE_ERROR);
ucolor->start_index = start;
unline->start_index = start;
ucolor->end_index = end;
unline->end_index = end;
pango_attr_list_insert (entry->priv->attr_list, ucolor);
pango_attr_list_insert (entry->priv->attr_list, unline);
}
static void
get_word_extents_from_position(SexySpellEntry *entry, gint *start, gint *end, guint position)
{
const gchar *text;
gint i, bytes_pos;
*start = -1;
*end = -1;
if (entry->priv->words == NULL)
return;
text = gtk_entry_get_text(GTK_ENTRY(entry));
bytes_pos = (gint) (g_utf8_offset_to_pointer(text, position) - text);
for (i = 0; entry->priv->words[i]; i++) {
if (bytes_pos >= entry->priv->word_starts[i] &&
bytes_pos <= entry->priv->word_ends[i]) {
*start = entry->priv->word_starts[i];
*end = entry->priv->word_ends[i];
return;
}
}
}
static void
add_to_dictionary(GtkWidget *menuitem, SexySpellEntry *entry)
{
char *word;
gint start, end;
struct EnchantDict *dict;
if (!have_enchant)
return;
get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
word = gtk_editable_get_chars(GTK_EDITABLE(entry), start, end);
dict = (struct EnchantDict *) g_object_get_data(G_OBJECT(menuitem), "enchant-dict");
if (dict)
enchant_dict_add_to_personal(dict, word, -1);
g_free(word);
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
static void
ignore_all(GtkWidget *menuitem, SexySpellEntry *entry)
{
char *word;
gint start, end;
GSList *li;
if (!have_enchant)
return;
get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
word = gtk_editable_get_chars(GTK_EDITABLE(entry), start, end);
for (li = entry->priv->dict_list; li; li = g_slist_next (li)) {
struct EnchantDict *dict = (struct EnchantDict *) li->data;
enchant_dict_add_to_session(dict, word, -1);
}
g_free(word);
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
static void
replace_word(GtkWidget *menuitem, SexySpellEntry *entry)
{
char *oldword;
const char *newword;
gint start, end;
gint cursor;
struct EnchantDict *dict;
if (!have_enchant)
return;
get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
oldword = gtk_editable_get_chars(GTK_EDITABLE(entry), start, end);
newword = gtk_label_get_text(GTK_LABEL(GTK_BIN(menuitem)->child));
cursor = gtk_editable_get_position(GTK_EDITABLE(entry));
/* is the cursor at the end? If so, restore it there */
if (g_utf8_strlen(gtk_entry_get_text(GTK_ENTRY(entry)), -1) == cursor)
cursor = -1;
else if(cursor > start && cursor <= end)
cursor = start;
gtk_editable_delete_text(GTK_EDITABLE(entry), start, end);
gtk_editable_set_position(GTK_EDITABLE(entry), start);
gtk_editable_insert_text(GTK_EDITABLE(entry), newword, strlen(newword),
&start);
gtk_editable_set_position(GTK_EDITABLE(entry), cursor);
dict = (struct EnchantDict *) g_object_get_data(G_OBJECT(menuitem), "enchant-dict");
if (dict)
enchant_dict_store_replacement(dict,
oldword, -1,
newword, -1);
g_free(oldword);
}
static void
build_suggestion_menu(SexySpellEntry *entry, GtkWidget *menu, struct EnchantDict *dict, const gchar *word)
{
GtkWidget *mi;
gchar **suggestions;
size_t n_suggestions, i;
if (!have_enchant)
return;
suggestions = enchant_dict_suggest(dict, word, -1, &n_suggestions);
if (suggestions == NULL || n_suggestions == 0) {
/* no suggestions. put something in the menu anyway... */
GtkWidget *label = gtk_label_new("");
gtk_label_set_markup(GTK_LABEL(label), _("<i>(no suggestions)</i>"));
mi = gtk_separator_menu_item_new();
gtk_container_add(GTK_CONTAINER(mi), label);
gtk_widget_show_all(mi);
gtk_menu_shell_prepend(GTK_MENU_SHELL(menu), mi);
} else {
/* build a set of menus with suggestions */
for (i = 0; i < n_suggestions; i++) {
if ((i != 0) && (i % 10 == 0)) {
mi = gtk_separator_menu_item_new();
gtk_widget_show(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
mi = gtk_menu_item_new_with_label(_("More..."));
gtk_widget_show(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
menu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), menu);
}
mi = gtk_menu_item_new_with_label(suggestions[i]);
g_object_set_data(G_OBJECT(mi), "enchant-dict", dict);
g_signal_connect(G_OBJECT(mi), "activate", G_CALLBACK(replace_word), entry);
gtk_widget_show(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
}
}
enchant_dict_free_suggestions(dict, suggestions);
}
static GtkWidget *
build_spelling_menu(SexySpellEntry *entry, const gchar *word)
{
struct EnchantDict *dict;
GtkWidget *topmenu, *mi;
gchar *label;
if (!have_enchant)
return NULL;
topmenu = gtk_menu_new();
if (entry->priv->dict_list == NULL)
return topmenu;
/* Suggestions */
if (g_slist_length(entry->priv->dict_list) == 1) {
dict = (struct EnchantDict *) entry->priv->dict_list->data;
build_suggestion_menu(entry, topmenu, dict, word);
} else {
GSList *li;
GtkWidget *menu;
gchar *lang, *lang_name;
for (li = entry->priv->dict_list; li; li = g_slist_next (li)) {
dict = (struct EnchantDict *) li->data;
lang = get_lang_from_dict(dict);
lang_name = gtkspell_iso_codes_lookup_name_for_code(lang);
if (lang_name) {
mi = gtk_menu_item_new_with_label(lang_name);
g_free(lang_name);
} else {
mi = gtk_menu_item_new_with_label(lang);
}
g_free(lang);
gtk_widget_show(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(topmenu), mi);
menu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), menu);
build_suggestion_menu(entry, menu, dict, word);
}
}
/* Separator */
mi = gtk_separator_menu_item_new ();
gtk_widget_show(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(topmenu), mi);
/* + Add to Dictionary */
label = g_strdup_printf(_("Add \"%s\" to Dictionary"), word);
mi = gtk_image_menu_item_new_with_label(label);
g_free(label);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), gtk_image_new_from_stock(GTK_STOCK_ADD, GTK_ICON_SIZE_MENU));
if (g_slist_length(entry->priv->dict_list) == 1) {
dict = (struct EnchantDict *) entry->priv->dict_list->data;
g_object_set_data(G_OBJECT(mi), "enchant-dict", dict);
g_signal_connect(G_OBJECT(mi), "activate", G_CALLBACK(add_to_dictionary), entry);
} else {
GSList *li;
GtkWidget *menu, *submi;
gchar *lang, *lang_name;
menu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), menu);
for (li = entry->priv->dict_list; li; li = g_slist_next(li)) {
dict = (struct EnchantDict *)li->data;
lang = get_lang_from_dict(dict);
lang_name = gtkspell_iso_codes_lookup_name_for_code(lang);
if (lang_name) {
submi = gtk_menu_item_new_with_label(lang_name);
g_free(lang_name);
} else {
submi = gtk_menu_item_new_with_label(lang);
}
g_free(lang);
g_object_set_data(G_OBJECT(submi), "enchant-dict", dict);
g_signal_connect(G_OBJECT(submi), "activate", G_CALLBACK(add_to_dictionary), entry);
gtk_widget_show(submi);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), submi);
}
}
gtk_widget_show_all(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(topmenu), mi);
/* - Ignore All */
mi = gtk_image_menu_item_new_with_label(_("Ignore All"));
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), gtk_image_new_from_stock(GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU));
g_signal_connect(G_OBJECT(mi), "activate", G_CALLBACK(ignore_all), entry);
gtk_widget_show_all(mi);
gtk_menu_shell_append(GTK_MENU_SHELL(topmenu), mi);
return topmenu;
}
static void
sexy_spell_entry_populate_popup(SexySpellEntry *entry, GtkMenu *menu, gpointer data)
{
GtkWidget *icon, *mi;
gint start, end;
gchar *word;
if ((have_enchant == FALSE) || (entry->priv->checked == FALSE))
return;
if (g_slist_length(entry->priv->dict_list) == 0)
return;
get_word_extents_from_position(entry, &start, &end, entry->priv->mark_character);
if (start == end)
return;
if (!word_misspelled(entry, start, end))
return;
/* separator */
mi = gtk_separator_menu_item_new();
gtk_widget_show(mi);
gtk_menu_shell_prepend(GTK_MENU_SHELL(menu), mi);
/* Above the separator, show the suggestions menu */
icon = gtk_image_new_from_stock(GTK_STOCK_SPELL_CHECK, GTK_ICON_SIZE_MENU);
mi = gtk_image_menu_item_new_with_label(_("Spelling Suggestions"));
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), icon);
word = gtk_editable_get_chars(GTK_EDITABLE(entry), start, end);
g_assert(word != NULL);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), build_spelling_menu(entry, word));
g_free(word);
gtk_widget_show_all(mi);
gtk_menu_shell_prepend(GTK_MENU_SHELL(menu), mi);
}
static void
sexy_spell_entry_init(SexySpellEntry *entry)
{
entry->priv = g_new0(SexySpellEntryPriv, 1);
entry->priv->dict_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
if (have_enchant)
sexy_spell_entry_activate_default_languages(entry);
entry->priv->attr_list = pango_attr_list_new();
entry->priv->checked = TRUE;
g_signal_connect(G_OBJECT(entry), "popup-menu", G_CALLBACK(sexy_spell_entry_popup_menu), entry);
g_signal_connect(G_OBJECT(entry), "populate-popup", G_CALLBACK(sexy_spell_entry_populate_popup), NULL);
g_signal_connect(G_OBJECT(entry), "changed", G_CALLBACK(sexy_spell_entry_changed), NULL);
}
static void
sexy_spell_entry_finalize(GObject *obj)
{
SexySpellEntry *entry;
g_return_if_fail(obj != NULL);
g_return_if_fail(SEXY_IS_SPELL_ENTRY(obj));
entry = SEXY_SPELL_ENTRY(obj);
if (entry->priv->attr_list)
pango_attr_list_unref(entry->priv->attr_list);
if (entry->priv->dict_hash)
g_hash_table_destroy(entry->priv->dict_hash);
if (entry->priv->words)
g_strfreev(entry->priv->words);
if (entry->priv->word_starts)
g_free(entry->priv->word_starts);
if (entry->priv->word_ends)
g_free(entry->priv->word_ends);
if (have_enchant) {
if (entry->priv->broker) {
GSList *li;
for (li = entry->priv->dict_list; li; li = g_slist_next(li)) {
struct EnchantDict *dict = (struct EnchantDict*) li->data;
enchant_broker_free_dict (entry->priv->broker, dict);
}
g_slist_free (entry->priv->dict_list);
enchant_broker_free(entry->priv->broker);
}
}
g_free(entry->priv);
if (G_OBJECT_CLASS(parent_class)->finalize)
G_OBJECT_CLASS(parent_class)->finalize(obj);
}
static void
sexy_spell_entry_destroy(GtkObject *obj)
{
SexySpellEntry *entry;
entry = SEXY_SPELL_ENTRY(obj);
if (GTK_OBJECT_CLASS(parent_class)->destroy)
GTK_OBJECT_CLASS(parent_class)->destroy(obj);
}
/**
* sexy_spell_entry_new
*
* Creates a new SexySpellEntry widget.
*
* Returns: a new #SexySpellEntry.
*/
GtkWidget *
sexy_spell_entry_new(void)
{
return GTK_WIDGET(g_object_new(SEXY_TYPE_SPELL_ENTRY, NULL));
}
GQuark
sexy_spell_error_quark(void)
{
static GQuark q = 0;
if (q == 0)
q = g_quark_from_static_string("sexy-spell-error-quark");
return q;
}
static gboolean
default_word_check(SexySpellEntry *entry, const gchar *word)
{
gboolean result = TRUE;
GSList *li;
if (!have_enchant)
return result;
if (g_unichar_isalpha(*word) == FALSE) {
/* We only want to check words */
return FALSE;
}
for (li = entry->priv->dict_list; li; li = g_slist_next (li)) {
struct EnchantDict *dict = (struct EnchantDict *) li->data;
if (enchant_dict_check(dict, word, strlen(word)) == 0) {
result = FALSE;
break;
}
}
return result;
}
static gboolean
word_misspelled(SexySpellEntry *entry, int start, int end)
{
const gchar *text;
gchar *word;
gboolean ret;
if (start == end)
return FALSE;
text = gtk_entry_get_text(GTK_ENTRY(entry));
word = g_new0(gchar, end - start + 2);
g_strlcpy(word, text + start, end - start + 1);
g_signal_emit(entry, signals[WORD_CHECK], 0, word, &ret);
g_free(word);
return ret;
}
static void
check_word(SexySpellEntry *entry, int start, int end)
{
PangoAttrIterator *it;
/* Check to see if we've got any attributes at this position.
* If so, free them, since we'll readd it if the word is misspelled */
it = pango_attr_list_get_iterator(entry->priv->attr_list);
if (it == NULL)
return;
do {
gint s, e;
pango_attr_iterator_range(it, &s, &e);
if (s == start) {
GSList *attrs = pango_attr_iterator_get_attrs(it);
g_slist_foreach(attrs, (GFunc) pango_attribute_destroy, NULL);
g_slist_free(attrs);
}
} while (pango_attr_iterator_next(it));
pango_attr_iterator_destroy(it);
if (word_misspelled(entry, start, end))
insert_underline(entry, start, end);
}
static void
sexy_spell_entry_recheck_all(SexySpellEntry *entry)
{
GdkRectangle rect;
GtkWidget *widget = GTK_WIDGET(entry);
PangoLayout *layout;
int length, i;
if ((have_enchant == FALSE) || (entry->priv->checked == FALSE))
return;
if (g_slist_length(entry->priv->dict_list) == 0)
return;
/* Remove all existing pango attributes. These will get readded as we check */
pango_attr_list_unref(entry->priv->attr_list);
entry->priv->attr_list = pango_attr_list_new();
/* Loop through words */
for (i = 0; entry->priv->words[i]; i++) {
length = strlen(entry->priv->words[i]);
if (length == 0)
continue;
check_word(entry, entry->priv->word_starts[i], entry->priv->word_ends[i]);
}
layout = gtk_entry_get_layout(GTK_ENTRY(entry));
pango_layout_set_attributes(layout, entry->priv->attr_list);
if (GTK_WIDGET_REALIZED(GTK_WIDGET(entry))) {
rect.x = 0; rect.y = 0;
rect.width = widget->allocation.width;
rect.height = widget->allocation.height;
gdk_window_invalidate_rect(widget->window, &rect, TRUE);
}
}
static gint
sexy_spell_entry_expose(GtkWidget *widget, GdkEventExpose *event)
{
SexySpellEntry *entry = SEXY_SPELL_ENTRY(widget);
GtkEntry *gtk_entry = GTK_ENTRY(widget);
PangoLayout *layout;
if (entry->priv->checked) {
layout = gtk_entry_get_layout(gtk_entry);
pango_layout_set_attributes(layout, entry->priv->attr_list);
}
return GTK_WIDGET_CLASS(parent_class)->expose_event (widget, event);
}
static gint
sexy_spell_entry_button_press(GtkWidget *widget, GdkEventButton *event)
{
SexySpellEntry *entry = SEXY_SPELL_ENTRY(widget);
GtkEntry *gtk_entry = GTK_ENTRY(widget);
gint pos;
pos = gtk_entry_find_position(gtk_entry, event->x);
entry->priv->mark_character = pos;
return GTK_WIDGET_CLASS(parent_class)->button_press_event (widget, event);
}
static gboolean
sexy_spell_entry_popup_menu(GtkWidget *widget, SexySpellEntry *entry)
{
/* Menu popped up from a keybinding (menu key or <shift>+F10). Use
* the cursor position as the mark position */
entry->priv->mark_character = gtk_editable_get_position (GTK_EDITABLE (entry));
return FALSE;
}
static void
entry_strsplit_utf8(GtkEntry *entry, gchar ***set, gint **starts, gint **ends)
{
PangoLayout *layout;
PangoLogAttr *log_attrs;
const gchar *text;
gint n_attrs, n_strings, i, j;
layout = gtk_entry_get_layout(GTK_ENTRY(entry));
text = gtk_entry_get_text(GTK_ENTRY(entry));
pango_layout_get_log_attrs(layout, &log_attrs, &n_attrs);
/* Find how many words we have */
n_strings = 0;
for (i = 0; i < n_attrs; i++)
if (log_attrs[i].is_word_start)
n_strings++;
*set = g_new0(gchar *, n_strings + 1);
*starts = g_new0(gint, n_strings);
*ends = g_new0(gint, n_strings);
/* Copy out strings */
for (i = 0, j = 0; i < n_attrs; i++) {
if (log_attrs[i].is_word_start) {
gint cend, bytes;
gchar *start;
/* Find the end of this string */
cend = i;
while (!(log_attrs[cend].is_word_end))
cend++;
/* Copy sub-string */
start = g_utf8_offset_to_pointer(text, i);
bytes = (gint) (g_utf8_offset_to_pointer(text, cend) - start);
(*set)[j] = g_new0(gchar, bytes + 1);
(*starts)[j] = (gint) (start - text);
(*ends)[j] = (gint) (start - text + bytes);
g_utf8_strncpy((*set)[j], start, cend - i);
/* Move on to the next word */
j++;
}
}
g_free (log_attrs);
}
static void
sexy_spell_entry_changed(GtkEditable *editable, gpointer data)
{
SexySpellEntry *entry = SEXY_SPELL_ENTRY(editable);
if (entry->priv->checked == FALSE)
return;
if (g_slist_length(entry->priv->dict_list) == 0)
return;
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
static gboolean
enchant_has_lang(const gchar *lang, GSList *langs) {
GSList *i;
for (i = langs; i; i = g_slist_next(i)) {
if (strcmp(lang, i->data) == 0) {
return TRUE;
}
}
return FALSE;
}
/**
* sexy_spell_entry_activate_default_languages:
* @entry: A #SexySpellEntry.
*
* Activate spell checking for languages specified in the $LANG
* or $LANGUAGE environment variables. These languages are
* activated by default, so this function need only be called
* if they were previously deactivated.
*/
void
sexy_spell_entry_activate_default_languages(SexySpellEntry *entry)
{
#if GLIB_CHECK_VERSION (2, 6, 0)
/*const gchar* const *langs;
int i;
gchar *lastprefix = NULL;*/
GSList *enchant_langs, *i;
if (!have_enchant)
return;
if (!entry->priv->broker)
entry->priv->broker = enchant_broker_init();
/*langs = g_get_language_names ();
if (langs == NULL)
return;*/
enchant_langs = sexy_spell_entry_get_languages(entry);
/*for (i = 0; langs[i]; i++) {
if ((g_ascii_strncasecmp(langs[i], "C", 1) != 0) &&
(strlen(langs[i]) >= 2) &&
enchant_has_lang(langs[i], enchant_langs)) {
if ((lastprefix == NULL) || (g_str_has_prefix(langs[i], lastprefix) == FALSE))
sexy_spell_entry_activate_language_internal(entry, langs[i], NULL);
if (lastprefix != NULL)
g_free(lastprefix);
lastprefix = g_strndup(langs[i], 2);
}
}
if (lastprefix != NULL)
g_free(lastprefix);*/
for (i = enchant_langs; i; i = g_slist_next (i))
{
if (strstr (prefs.spell_langs, i->data) != NULL)
{
sexy_spell_entry_activate_language_internal (entry, i->data, NULL);
}
}
g_slist_foreach(enchant_langs, (GFunc) g_free, NULL);
g_slist_free(enchant_langs);
g_slist_free (i);
/* If we don't have any languages activated, use "en" */
if (entry->priv->dict_list == NULL)
sexy_spell_entry_activate_language_internal(entry, "en", NULL);
#else
gchar *lang;
if (!have_enchant)
return;
lang = (gchar *) g_getenv("LANG");
if (lang != NULL) {
if (g_ascii_strncasecmp(lang, "C", 1) == 0)
lang = NULL;
else if (lang[0] == '\0')
lang = NULL;
}
if (lang == NULL)
lang = "en";
sexy_spell_entry_activate_language_internal(entry, lang, NULL);
#endif
}
static void
get_lang_from_dict_cb(const char * const lang_tag,
const char * const provider_name,
const char * const provider_desc,
const char * const provider_file,
void * user_data) {
gchar **lang = (gchar **)user_data;
*lang = g_strdup(lang_tag);
}
static gchar *
get_lang_from_dict(struct EnchantDict *dict)
{
gchar *lang;
if (!have_enchant)
return NULL;
enchant_dict_describe(dict, get_lang_from_dict_cb, &lang);
return lang;
}
static gboolean
sexy_spell_entry_activate_language_internal(SexySpellEntry *entry, const gchar *lang, GError **error)
{
struct EnchantDict *dict;
if (!have_enchant)
return FALSE;
if (!entry->priv->broker)
entry->priv->broker = enchant_broker_init();
if (g_hash_table_lookup(entry->priv->dict_hash, lang))
return TRUE;
dict = enchant_broker_request_dict(entry->priv->broker, lang);
if (!dict) {
g_set_error(error, SEXY_SPELL_ERROR, SEXY_SPELL_ERROR_BACKEND, _("enchant error for language: %s"), lang);
return FALSE;
}
entry->priv->dict_list = g_slist_append(entry->priv->dict_list, (gpointer) dict);
g_hash_table_insert(entry->priv->dict_hash, get_lang_from_dict(dict), (gpointer) dict);
return TRUE;
}
static void
dict_describe_cb(const char * const lang_tag,
const char * const provider_name,
const char * const provider_desc,
const char * const provider_file,
void * user_data)
{
GSList **langs = (GSList **)user_data;
*langs = g_slist_append(*langs, (gpointer)g_strdup(lang_tag));
}
/**
* sexy_spell_entry_get_languages:
* @entry: A #SexySpellEntry.
*
* Retrieve a list of language codes for which dictionaries are available.
*
* Returns: a new #GList object, or %NULL on error.
*/
GSList *
sexy_spell_entry_get_languages(const SexySpellEntry *entry)
{
GSList *langs = NULL;
g_return_val_if_fail(entry != NULL, NULL);
g_return_val_if_fail(SEXY_IS_SPELL_ENTRY(entry), NULL);
if (enchant_broker_list_dicts == NULL)
return NULL;
if (!entry->priv->broker)
return NULL;
enchant_broker_list_dicts(entry->priv->broker, dict_describe_cb, &langs);
return langs;
}
/**
* sexy_spell_entry_get_language_name:
* @entry: A #SexySpellEntry.
* @lang: The language code to lookup a friendly name for.
*
* Get a friendly name for a given locale.
*
* Returns: The name of the locale. Should be freed with g_free()
*/
gchar *
sexy_spell_entry_get_language_name(const SexySpellEntry *entry,
const gchar *lang)
{
if (have_enchant)
return gtkspell_iso_codes_lookup_name_for_code(lang);
return NULL;
}
/**
* sexy_spell_entry_language_is_active:
* @entry: A #SexySpellEntry.
* @lang: The language to use, in a form enchant understands.
*
* Determine if a given language is currently active.
*
* Returns: TRUE if the language is active.
*/
gboolean
sexy_spell_entry_language_is_active(const SexySpellEntry *entry,
const gchar *lang)
{
return (g_hash_table_lookup(entry->priv->dict_hash, lang) != NULL);
}
/**
* sexy_spell_entry_activate_language:
* @entry: A #SexySpellEntry
* @lang: The language to use in a form Enchant understands. Typically either
* a two letter language code or a locale code in the form xx_XX.
* @error: Return location for error.
*
* Activate spell checking for the language specifed.
*
* Returns: FALSE if there was an error.
*/
gboolean
sexy_spell_entry_activate_language(SexySpellEntry *entry, const gchar *lang, GError **error)
{
gboolean ret;
g_return_val_if_fail(entry != NULL, FALSE);
g_return_val_if_fail(SEXY_IS_SPELL_ENTRY(entry), FALSE);
g_return_val_if_fail(lang != NULL && lang != '\0', FALSE);
if (!have_enchant)
return FALSE;
if (error)
g_return_val_if_fail(*error == NULL, FALSE);
ret = sexy_spell_entry_activate_language_internal(entry, lang, error);
if (ret) {
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
return ret;
}
/**
* sexy_spell_entry_deactivate_language:
* @entry: A #SexySpellEntry.
* @lang: The language in a form Enchant understands. Typically either
* a two letter language code or a locale code in the form xx_XX.
*
* Deactivate spell checking for the language specifed.
*/
void
sexy_spell_entry_deactivate_language(SexySpellEntry *entry, const gchar *lang)
{
g_return_if_fail(entry != NULL);
g_return_if_fail(SEXY_IS_SPELL_ENTRY(entry));
if (!have_enchant)
return;
if (!entry->priv->dict_list)
return;
if (lang) {
struct EnchantDict *dict;
dict = g_hash_table_lookup(entry->priv->dict_hash, lang);
if (!dict)
return;
enchant_broker_free_dict(entry->priv->broker, dict);
entry->priv->dict_list = g_slist_remove(entry->priv->dict_list, dict);
g_hash_table_remove (entry->priv->dict_hash, lang);
} else {
/* deactivate all */
GSList *li;
struct EnchantDict *dict;
for (li = entry->priv->dict_list; li; li = g_slist_next(li)) {
dict = (struct EnchantDict *)li->data;
enchant_broker_free_dict(entry->priv->broker, dict);
}
g_slist_free (entry->priv->dict_list);
g_hash_table_destroy (entry->priv->dict_hash);
entry->priv->dict_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
entry->priv->dict_list = NULL;
}
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
/**
* sexy_spell_entry_set_active_languages:
* @entry: A #SexySpellEntry
* @langs: A list of language codes to activate, in a form Enchant understands.
* Typically either a two letter language code or a locale code in the
* form xx_XX.
* @error: Return location for error.
*
* Activate spell checking for only the languages specified.
*
* Returns: FALSE if there was an error.
*/
gboolean
sexy_spell_entry_set_active_languages(SexySpellEntry *entry, GSList *langs, GError **error)
{
GSList *li;
g_return_val_if_fail(entry != NULL, FALSE);
g_return_val_if_fail(SEXY_IS_SPELL_ENTRY(entry), FALSE);
g_return_val_if_fail(langs != NULL, FALSE);
if (!have_enchant)
return FALSE;
/* deactivate all languages first */
sexy_spell_entry_deactivate_language(entry, NULL);
for (li = langs; li; li = g_slist_next(li)) {
if (sexy_spell_entry_activate_language_internal(entry,
(const gchar *) li->data, error) == FALSE)
return FALSE;
}
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
return TRUE;
}
/**
* sexy_spell_entry_get_active_languages:
* @entry: A #SexySpellEntry
*
* Retrieve a list of the currently active languages.
*
* Returns: A GSList of char* values with language codes (en, fr, etc). Both
* the data and the list must be freed by the user.
*/
GSList *
sexy_spell_entry_get_active_languages(SexySpellEntry *entry)
{
GSList *ret = NULL, *li;
struct EnchantDict *dict;
gchar *lang;
g_return_val_if_fail(entry != NULL, NULL);
g_return_val_if_fail(SEXY_IS_SPELL_ENTRY(entry), NULL);
if (!have_enchant)
return NULL;
for (li = entry->priv->dict_list; li; li = g_slist_next(li)) {
dict = (struct EnchantDict *) li->data;
lang = get_lang_from_dict(dict);
ret = g_slist_append(ret, lang);
}
return ret;
}
/**
* sexy_spell_entry_is_checked:
* @entry: A #SexySpellEntry.
*
* Queries a #SexySpellEntry and returns whether the entry has spell-checking enabled.
*
* Returns: TRUE if the entry has spell-checking enabled.
*/
gboolean
sexy_spell_entry_is_checked(SexySpellEntry *entry)
{
return entry->priv->checked;
}
/**
* sexy_spell_entry_set_checked:
* @entry: A #SexySpellEntry.
* @checked: Whether to enable spell-checking
*
* Sets whether the entry has spell-checking enabled.
*/
void
sexy_spell_entry_set_checked(SexySpellEntry *entry, gboolean checked)
{
GtkWidget *widget;
if (entry->priv->checked == checked)
return;
entry->priv->checked = checked;
widget = GTK_WIDGET(entry);
if (checked == FALSE && GTK_WIDGET_REALIZED(widget)) {
PangoLayout *layout;
GdkRectangle rect;
pango_attr_list_unref(entry->priv->attr_list);
entry->priv->attr_list = pango_attr_list_new();
layout = gtk_entry_get_layout(GTK_ENTRY(entry));
pango_layout_set_attributes(layout, entry->priv->attr_list);
rect.x = 0; rect.y = 0;
rect.width = widget->allocation.width;
rect.height = widget->allocation.height;
gdk_window_invalidate_rect(widget->window, &rect, TRUE);
} else {
if (entry->priv->words) {
g_strfreev(entry->priv->words);
g_free(entry->priv->word_starts);
g_free(entry->priv->word_ends);
}
entry_strsplit_utf8(GTK_ENTRY(entry), &entry->priv->words, &entry->priv->word_starts, &entry->priv->word_ends);
sexy_spell_entry_recheck_all(entry);
}
}