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segfault on second search (gentoo box)
[eb123/eb123.git] / src / mainwnd.c
index a758015..ec0b3e8 100644 (file)
@@ -55,91 +55,91 @@ void mainwnd_headword_append_cb(gpointer data, gpointer user_data)
     static RESULT *res1 = NULL;
     static gint        rootindent = 0;
     if(res->book_title)
-       g_free(res->book_title);
+        g_free(res->book_title);
     res->book_title = g_strdup(res->binfo->title);
     if(g_utf8_strlen(res->book_title, 10*n) > n)
     {
-       gchar *offset = g_utf8_offset_to_pointer(res->book_title, n);
-       gchar *offset2 = g_utf8_offset_to_pointer(res->book_title, n + 1);
-       for(; offset != offset2;)
-       {
-           *offset++ = 0;
-       }
+        gchar *offset = g_utf8_offset_to_pointer(res->book_title, n);
+        gchar *offset2 = g_utf8_offset_to_pointer(res->book_title, n + 1);
+        for(; offset != offset2;)
+        {
+            *offset++ = 0;
+        }
     }
     if(prefs_get_int(mw->prefs, "headword.use_tree"))
     {
-       n = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store), NULL);
-       GtkTreeViewColumn *col = gtk_tree_view_get_column(tree, 0);
-       GtkTreePath *path = NULL;
-       GdkRectangle r;
-       if(!n)
-       {
-           gtk_tree_store_append(store, &iter1, NULL);
-           gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
-           res1 = res;
-           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter1);
-           gtk_tree_view_get_cell_area(tree, path, col, &r);
-           rootindent = r.x;
-           mw->indent = 0;
-       }
-       else if(!g_strcmp0(res1->binfo->title, res->binfo->title))
-       {
-           GtkTreeIter iter;
-           gtk_tree_store_append(store, &iter, &iter1);
-           gtk_tree_store_set(store, &iter, 0, res->heading, 1, res, 2, res->book_title, -1);
-           path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
-           gtk_tree_view_get_cell_area(tree, path, col, &r);
-           if(!mw->indent)
-               mw->indent = abs(rootindent - r.x);
-       }
-       else
-       {
-           gtk_tree_store_append(store, &iter1, NULL);
-           gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
-           res1 = res;
-       }
-       gtk_tree_path_free(path);
+        n = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store), NULL);
+        GtkTreeViewColumn *col = gtk_tree_view_get_column(tree, 0);
+        GtkTreePath *path = NULL;
+        GdkRectangle r;
+        if(!n)
+        {
+            gtk_tree_store_append(store, &iter1, NULL);
+            gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
+            res1 = res;
+            path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter1);
+            gtk_tree_view_get_cell_area(tree, path, col, &r);
+            rootindent = r.x;
+            mw->indent = 0;
+        }
+        else if(!g_strcmp0(res1->binfo->title, res->binfo->title))
+        {
+            GtkTreeIter iter;
+            gtk_tree_store_append(store, &iter, &iter1);
+            gtk_tree_store_set(store, &iter, 0, res->heading, 1, res, 2, res->book_title, -1);
+            path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
+            gtk_tree_view_get_cell_area(tree, path, col, &r);
+            if(!mw->indent)
+                mw->indent = abs(rootindent - r.x);
+        }
+        else
+        {
+            gtk_tree_store_append(store, &iter1, NULL);
+            gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
+            res1 = res;
+        }
+        gtk_tree_path_free(path);
     }
     else
     {
-       gtk_tree_store_append(store, &iter1, NULL);
-       gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
+        gtk_tree_store_append(store, &iter1, NULL);
+        gtk_tree_store_set(store, &iter1, 0, res->heading, 1, res, 2, res->book_title, -1);
     }
 }
 
 gboolean mainwnd_headword_counters_cb(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 {
     if(gtk_tree_path_get_depth(path) > 1)
-       return False;
+        return False;
 
     Mainwnd *mw = MAINWND(data);
     RESULT *res;
     gtk_tree_model_get(model, iter, 1, &res, -1);
     if(prefs_get_int(mw->prefs, "headword.use_tree"))
     {
-       gint n = gtk_tree_model_iter_n_children(model, iter);
-       gchar buf[16];
-       g_sprintf(buf, "(%d)", n + 1);
-       gchar *ptr = g_strstr_len(res->heading, -1, buf);
-       if(ptr)
-           return True;
-       gchar *str = g_malloc0(strlen(res->heading) + 16);
-       g_sprintf(str, "%s (%d)", res->heading, n + 1);
-       g_free(res->heading);
-       res->heading = str;
-       gtk_tree_store_set(GTK_TREE_STORE(model), iter, 0, res->heading, -1);
+        gint n = gtk_tree_model_iter_n_children(model, iter);
+        gchar buf[16];
+        g_sprintf(buf, "(%d)", n + 1);
+        gchar *ptr = g_strstr_len(res->heading, -1, buf);
+        if(ptr)
+            return True;
+        gchar *str = g_malloc0(strlen(res->heading) + 16);
+        g_sprintf(str, "%s (%d)", res->heading, n + 1);
+        g_free(res->heading);
+        res->heading = str;
+        gtk_tree_store_set(GTK_TREE_STORE(model), iter, 0, res->heading, -1);
     }
     else
     {
-       gchar *ptr1 = g_strstr_len(res->heading, -1, "(");
-       gchar *ptr2 = g_strstr_len(res->heading, -1, ")");
-       if(ptr1 && ptr2)
-       {
-           if(ptr1 < ptr2)
-               for(; ptr1 != ptr2 ;)
-                   *ptr1++ = 0;
-           gtk_tree_store_set(GTK_TREE_STORE(model), iter, 0, res->heading, -1);
-       }
+        gchar *ptr1 = g_strstr_len(res->heading, -1, "(");
+        gchar *ptr2 = g_strstr_len(res->heading, -1, ")");
+        if(ptr1 && ptr2)
+        {
+            if(ptr1 < ptr2)
+                for(; ptr1 != ptr2 ;)
+                    *ptr1++ = 0;
+            gtk_tree_store_set(GTK_TREE_STORE(model), iter, 0, res->heading, -1);
+        }
     }
     return False;
 }
@@ -148,11 +148,14 @@ void mainwnd_update_results(Mainwnd *self)
 {
     GtkTreeView *tree = GTK_TREE_VIEW(gtk_builder_get_object(GTK_BUILDER(self->builder), "mainwnd_results"));
     GtkTreeModel *model = gtk_tree_view_get_model(tree);
+    GtkTreeSelection *select = gtk_tree_view_get_selection(tree);
+    g_signal_handler_block(G_OBJECT(select), self->change_id);
     gtk_tree_store_clear(GTK_TREE_STORE(model));
+    g_signal_handler_unblock(G_OBJECT(select), self->change_id);
     if(!g_sequence_get_length(self->results))
     {
-       textview_insert_message(self->text, _("<No hits>"), True);
-       return;
+        textview_insert_message(self->text, _("<No hits>"), True);
+        return;
     }
     g_sequence_foreach(self->results, mainwnd_headword_append_cb, self);
     gtk_tree_view_columns_autosize(tree);
@@ -161,12 +164,11 @@ void mainwnd_update_results(Mainwnd *self)
     gtk_tree_model_foreach(model, mainwnd_headword_counters_cb, self);
 
     GtkTreeIter iter;
-    GtkTreeSelection *select = gtk_tree_view_get_selection(tree);
     if(gtk_tree_model_get_iter_first(model, &iter))
     {
         gtk_tree_view_scroll_to_point(tree, 0, 0);
         gtk_tree_selection_select_iter(select, &iter);
-       builder_grab_focus(self->builder, "mainwnd_results");
+        builder_grab_focus(self->builder, "mainwnd_results");
     }
 }
 
@@ -174,7 +176,7 @@ static void mainwnd_results_selection_changed_cb(GtkTreeSelection *selection, gp
 {
     Mainwnd *self = MAINWND(data);
     if(!selection)
-       return;
+        return;
 
     GtkTreeIter iter;
     GtkTreeModel *store;
@@ -237,16 +239,16 @@ void mainwnd_search(Mainwnd *self, const gchar *word, gint method)
 {
     if(self->word)
     {
-       g_free(self->word);
-       self->word = NULL;
+        g_free(self->word);
+        self->word = NULL;
     }
     if(word)
-       self->word = g_strdup(word);
+        self->word = g_strdup(word);
     if(method == -1)
-       method = builder_get_int(self->builder, "mainwnd_search_method");
+        method = builder_get_int(self->builder, "mainwnd_search_method");
 
     if(word)
-       builder_set_str(self->builder, "mainwnd_search", word);
+        builder_set_str(self->builder, "mainwnd_search", word);
     history_insert_word(self->history, word);
     gint maxhits = prefs_get_int(self->prefs, "headword.maxhits");
     ebook_search(word, method, self->results, maxhits, prefs_get_int(self->prefs, "headword.use_tree"));
@@ -285,9 +287,9 @@ gint mainwnd_get_font_size()
     const gchar *fontstr = prefs_get_str(_mainwnd->prefs, "mainwnd.font");
     if(fontstr)
     {
-       PangoFontDescription *desc = pango_font_description_from_string(fontstr);
-       gint sz = pango_font_description_get_size(desc);
-       return sz/1024;
+        PangoFontDescription *desc = pango_font_description_from_string(fontstr);
+        gint sz = pango_font_description_get_size(desc);
+        return sz/1024;
     }
     return 16;
 }
@@ -302,17 +304,17 @@ void mainwnd_reset_font(Mainwnd *self)
     GdkScreen *screen = gtk_window_get_screen(GTK_WINDOW(self));
     if(provider)
     {
-       gtk_style_context_remove_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider));
-       g_object_unref(provider);
-       provider = NULL;
+        gtk_style_context_remove_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider));
+        g_object_unref(provider);
+        provider = NULL;
     }
     if(custom_font)
     {
-       provider = gtk_css_provider_new();
-       gchar *s = g_strdup_printf("* {font: %s;}", font);
-       if(gtk_css_provider_load_from_data(GTK_CSS_PROVIDER (provider), s, -1, NULL))
-           gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_USER);
-       g_free(s);
+        provider = gtk_css_provider_new();
+        gchar *s = g_strdup_printf("* {font: %s;}", font);
+        if(gtk_css_provider_load_from_data(GTK_CSS_PROVIDER (provider), s, -1, NULL))
+            gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_USER);
+        g_free(s);
     }
 }
 
@@ -331,24 +333,24 @@ void mainwnd_reset_headwords(Mainwnd *self)
     int btree = prefs_get_int(self->prefs, "headword.use_tree");
     if(btree != btree_old)
     {
-       if(prefs_get_int(self->prefs, "headword.use_tree"))
-       {
-           gtk_tree_view_column_set_visible(column, True);
-           gtk_tree_view_set_show_expanders(tree, True);
-       }
-       else
-       {
-           gint prepend = prefs_get_int(self->prefs, "prepend_title");
-           gtk_tree_view_column_set_visible(column, prepend);
-           gtk_tree_view_set_show_expanders(tree, False);
-       }
-       btree_old = btree;
-       mainwnd_update_results(self);
+        if(prefs_get_int(self->prefs, "headword.use_tree"))
+        {
+            gtk_tree_view_column_set_visible(column, True);
+            gtk_tree_view_set_show_expanders(tree, True);
+        }
+        else
+        {
+            gint prepend = prefs_get_int(self->prefs, "prepend_title");
+            gtk_tree_view_column_set_visible(column, prepend);
+            gtk_tree_view_set_show_expanders(tree, False);
+        }
+        btree_old = btree;
+        mainwnd_update_results(self);
     }
     else
     {
-       GtkTreeSelection *selection = gtk_tree_view_get_selection(tree);
-       mainwnd_results_selection_changed_cb(selection, (gpointer)self);
+        GtkTreeSelection *selection = gtk_tree_view_get_selection(tree);
+        mainwnd_results_selection_changed_cb(selection, (gpointer)self);
     }
     const gchar *color = prefs_get_str(self->prefs, "color.title");
     g_object_set(self->dictr, "foreground", color, NULL);
@@ -359,9 +361,9 @@ static void mainwnd_scan_start_stop(Mainwnd *self, gboolean scan)
     builder_set_int(self->builder, "mainwnd_scan", scan);
     prefs_set_int(self->prefs, "selection.lookup_started", scan);
     if(scan)
-       popupwnd_lookup_start(self->popupwnd);
+        popupwnd_lookup_start(self->popupwnd);
     else
-       popupwnd_lookup_stop(self->popupwnd);
+        popupwnd_lookup_stop(self->popupwnd);
 }
 
 void mainwnd_scan_toggled_cb(GtkToggleButton *btn, gpointer data)
@@ -402,11 +404,11 @@ void mainwnd_iconify_restore(gpointer data)
     Mainwnd *mw = MAINWND(data);
     if(gtk_widget_get_visible(GTK_WIDGET(mw)))
     {
-       prefs_close_wnd(mw->prefs);
-       gtk_widget_hide(GTK_WIDGET(mw));
+        prefs_close_wnd(mw->prefs);
+        gtk_widget_hide(GTK_WIDGET(mw));
     }
     else
-       gtk_window_present(GTK_WINDOW(mw));
+        gtk_window_present(GTK_WINDOW(mw));
 }
 
 void mainwnd_iconify_cb(GtkWidget *widget, gpointer data)
@@ -452,29 +454,29 @@ void mainwnd_dict_buttons_add(Mainwnd *self)
     gtk_toolbar_insert(tb, gtk_separator_tool_item_new(), -1);
     gint n = builder_get_int(self->builder, "mainwnd_dict_group");
     if(n < 0)
-       return;
+        return;
     GtkTreeIter iter;
     if(!dicts_get_nth(self->dicts, n, &iter))
-       return;
+        return;
     gchar *title;
     BOOK_INFO *binfo;
     GtkTreeModel *store = GTK_TREE_MODEL(self->dicts->store);
     do
     {
-       gtk_tree_model_get(store, &iter, DICT_ALIAS, &title, DICT_BINFO, &binfo, -1);
-       GtkToolItem *toggle = gtk_toggle_tool_button_new();
+        gtk_tree_model_get(store, &iter, DICT_ALIAS, &title, DICT_BINFO, &binfo, -1);
+        GtkToolItem *toggle = gtk_toggle_tool_button_new();
         gtk_tool_button_set_label(GTK_TOOL_BUTTON(toggle), title);
-       if(binfo->book)
-           gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(toggle), binfo->active);
-       else
+        if(binfo->book)
+            gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(toggle), binfo->active);
+        else
             gtk_widget_set_sensitive(GTK_WIDGET(toggle), FALSE);
         gtk_tool_item_set_homogeneous(toggle, FALSE);
         g_signal_connect(G_OBJECT(toggle),"toggled", G_CALLBACK(mainwnd_dict_toggled_cb), (gpointer)binfo);
 
-       gtk_toolbar_insert(tb, toggle, -1);
-       gtk_widget_set_tooltip_text(GTK_WIDGET(toggle), title);
-       g_free(title);
-       if(!gtk_tree_model_iter_next(store, &iter))
+        gtk_toolbar_insert(tb, toggle, -1);
+        gtk_widget_set_tooltip_text(GTK_WIDGET(toggle), title);
+        g_free(title);
+        if(!gtk_tree_model_iter_next(store, &iter))
             break;
         gtk_toolbar_insert(tb, gtk_separator_tool_item_new(), -1);
     } while(TRUE);
@@ -507,20 +509,20 @@ void mainwnd_dict_groups_update(Mainwnd *self)
     GtkTreeIter iter;
     if(gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dicts_store), &iter))
     {
-       gint i = 0;
-       do { 
-           gchar *title;
-           gtk_tree_model_get(GTK_TREE_MODEL(dicts_store), &iter, DICT_ALIAS, &title, -1);
-           gtk_combo_box_text_append_text(combo, title);
-           if(ngroup == i++)
-           {
-               if(g_strcmp0(sgroup, title))
-                   ngroup = 0;
-           }
-           g_free(title);
-       } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(dicts_store), &iter));
-       if(i <= ngroup)
-           ngroup = 0;
+        gint i = 0;
+        do { 
+            gchar *title;
+            gtk_tree_model_get(GTK_TREE_MODEL(dicts_store), &iter, DICT_ALIAS, &title, -1);
+            gtk_combo_box_text_append_text(combo, title);
+            if(ngroup == i++)
+            {
+                if(g_strcmp0(sgroup, title))
+                    ngroup = 0;
+            }
+            g_free(title);
+        } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(dicts_store), &iter));
+        if(i <= ngroup)
+            ngroup = 0;
     }
     g_free(sgroup);
     builder_set_int(self->builder, "mainwnd_dict_group", ngroup);
@@ -542,25 +544,25 @@ gboolean mainwnd_results_key_press_event_cb(GtkWidget *widget, GdkEventKey *even
     GtkTreeModel *model = gtk_tree_view_get_model(tree);
     if(prefs_get_int(mw->prefs, "headword.use_tree") && ((event->keyval == GDK_KEY_Left) || (event->keyval == GDK_KEY_Right)))
     {
-       GtkTreeSelection *select = gtk_tree_view_get_selection(tree);
-       GtkTreeIter iter;
-       if(!gtk_tree_selection_get_selected(select, NULL, &iter))
-           return False;
-       GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
-       if(event->keyval == GDK_KEY_Right)
-           gtk_tree_view_expand_row(tree, path, False);
-       if(event->keyval == GDK_KEY_Left)
-       {
-           if(gtk_tree_path_get_depth(path) == 2)
-           {
-               gtk_tree_path_up(path);
-               gtk_tree_model_get_iter(model, &iter, path);
-           }
-           gtk_tree_view_collapse_row(tree, path);
-           gtk_tree_selection_select_iter(select, &iter);
-       }
-       gtk_tree_path_free(path);
-       return True;
+        GtkTreeSelection *select = gtk_tree_view_get_selection(tree);
+        GtkTreeIter iter;
+        if(!gtk_tree_selection_get_selected(select, NULL, &iter))
+            return False;
+        GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
+        if(event->keyval == GDK_KEY_Right)
+            gtk_tree_view_expand_row(tree, path, False);
+        if(event->keyval == GDK_KEY_Left)
+        {
+            if(gtk_tree_path_get_depth(path) == 2)
+            {
+                gtk_tree_path_up(path);
+                gtk_tree_model_get_iter(model, &iter, path);
+            }
+            gtk_tree_view_collapse_row(tree, path);
+            gtk_tree_selection_select_iter(select, &iter);
+        }
+        gtk_tree_path_free(path);
+        return True;
     }
     return FALSE;
 }
@@ -570,17 +572,17 @@ gboolean mainwnd_key_press_event_cb(GtkWidget *widget, GdkEventKey *event, gpoin
     Mainwnd *mw = MAINWND(data);
     if(event->keyval == GDK_KEY_BackSpace)
     {
-       GtkWidget *find = GTK_WIDGET(gtk_builder_get_object(GTK_BUILDER(mw->builder), "mainwnd_find"));
-       if(gtk_widget_has_focus(find))
-           return False;
-       GtkWidget *combo = GTK_WIDGET(gtk_builder_get_object(GTK_BUILDER(mw->builder), "mainwnd_search"));
-       GtkWidget *child = gtk_bin_get_child(GTK_BIN(combo));
-       if(!gtk_widget_has_focus(child))
-       {
-           gtk_widget_grab_focus(combo);
-           gtk_editable_set_position(GTK_EDITABLE(child), -1);
-           return TRUE;
-       }
+        GtkWidget *find = GTK_WIDGET(gtk_builder_get_object(GTK_BUILDER(mw->builder), "mainwnd_find"));
+        if(gtk_widget_has_focus(find))
+            return False;
+        GtkWidget *combo = GTK_WIDGET(gtk_builder_get_object(GTK_BUILDER(mw->builder), "mainwnd_search"));
+        GtkWidget *child = gtk_bin_get_child(GTK_BIN(combo));
+        if(!gtk_widget_has_focus(child))
+        {
+            gtk_widget_grab_focus(combo);
+            gtk_editable_set_position(GTK_EDITABLE(child), -1);
+            return TRUE;
+        }
     }
     return FALSE;
 }
@@ -619,29 +621,29 @@ void mainwnd_prepare(Mainwnd *self)
     GtkListStore *store = GTK_LIST_STORE(gtk_builder_get_object(GTK_BUILDER(self->builder), "mainwnd_search_method_store"));
     for(i = 0; i < 4; i++)
     {
-       const gchar *name = ebook_index_to_method_name(i);
-       gtk_list_store_append(store, &iter);
-       gtk_list_store_set(store, &iter, 0, name, -1);
+        const gchar *name = ebook_index_to_method_name(i);
+        gtk_list_store_append(store, &iter);
+        gtk_list_store_set(store, &iter, 0, name, -1);
     }
     builder_set_int(self->builder, "mainwnd_search_method", 0);
 
     gint w = prefs_get_int(self->prefs, "mainwnd.w");
     gint h = prefs_get_int(self->prefs, "mainwnd.h");
     if((w > 100) && (h > 50))
-       gtk_window_resize(GTK_WINDOW(self), w, h);
+        gtk_window_resize(GTK_WINDOW(self), w, h);
     w = prefs_get_int(self->prefs, "paned.tree_width");
     GtkPaned *p = GTK_PANED(gtk_builder_get_object(GTK_BUILDER(self->builder), "hpaned1"));
     gtk_paned_set_position(p, w);
     if(prefs_get_int(self->prefs, "mainwnd.remember_pos"))
     {
-       gint x = prefs_get_int(self->prefs, "mainwnd.x");
-       gint y = prefs_get_int(self->prefs, "mainwnd.y");
+        gint x = prefs_get_int(self->prefs, "mainwnd.x");
+        gint y = prefs_get_int(self->prefs, "mainwnd.y");
         gtk_window_move(GTK_WINDOW(self), x, y);
     }
     GtkTreeView *tree = GTK_TREE_VIEW(gtk_builder_get_object(GTK_BUILDER(self->builder), "mainwnd_results"));
     GtkTreeSelection *select = gtk_tree_view_get_selection(tree);
     gtk_tree_selection_set_mode(select, GTK_SELECTION_SINGLE);
-    g_signal_connect(G_OBJECT(select), "changed", G_CALLBACK(mainwnd_results_selection_changed_cb), self);
+    self->change_id = g_signal_connect(G_OBJECT(select), "changed", G_CALLBACK(mainwnd_results_selection_changed_cb), self);
 
     GtkCellRenderer *renderer = g_object_new(TYPE_RENDER_HEADWORD, NULL); //gtk_cell_renderer_text_new();
     gtk_tree_view_insert_column_with_attributes(tree, -1, _("Result"), renderer, "text", 0, "result", 1, NULL);
@@ -671,7 +673,7 @@ gboolean mainwnd_get_dicts(GtkTreeModel **store, GtkTreeIter *iter)
     *store = GTK_TREE_MODEL(gtk_builder_get_object(GTK_BUILDER(self->builder), "dicts_store"));
     GtkTreeIter iter1;
     if(!gtk_tree_model_iter_nth_child(*store, &iter1, NULL, n))
-       return FALSE;
+        return FALSE;
     if(!gtk_tree_model_iter_children(*store, iter, &iter1))
         return FALSE;
     return TRUE;