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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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* Copyright 2009-2010 Red Hat, Inc,
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Written by: Matthias Clasen <mclasen@redhat.com>
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#include <sys/types.h>
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#include <glib/gi18n.h>
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gchar *placeholder_str;
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static IconShapeData *
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icon_shape_data_new (const gchar *text,
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const gchar *placeholder,
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data = g_new0 (IconShapeData, 1);
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data->text = g_strdup (text);
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data->placeholder_str = g_strdup (placeholder);
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data->placeholder = g_utf8_get_char_validated (placeholder, -1);
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data->icon = g_object_ref (icon);
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icon_shape_data_free (gpointer user_data)
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IconShapeData *data = user_data;
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g_free (data->placeholder_str);
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g_object_unref (data->icon);
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icon_shape_renderer (cairo_t *cr,
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IconShapeData *data = user_data;
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cairo_get_current_point (cr, &x, &y);
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if (GPOINTER_TO_UINT (attr->data) == data->placeholder) {
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ascent = pango_units_to_double (attr->ink_rect.y);
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height = pango_units_to_double (attr->ink_rect.height);
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info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (),
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GTK_ICON_LOOKUP_FORCE_SIZE | GTK_ICON_LOOKUP_USE_BUILTIN);
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pixbuf = gtk_icon_info_load_icon (info, NULL);
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gtk_icon_info_free (info);
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cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
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cairo_reset_clip (cr);
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gdk_cairo_set_source_pixbuf (cr, pixbuf, x, y + ascent);
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g_object_unref (pixbuf);
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static PangoAttrList *
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create_shape_attr_list_for_layout (PangoLayout *layout,
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PangoAttrList *attrs;
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PangoFontMetrics *metrics;
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gint ascent, descent;
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PangoRectangle ink_rect, logical_rect;
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gint placeholder_len;
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/* Get font metrics and prepare fancy shape size */
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metrics = pango_context_get_metrics (pango_layout_get_context (layout),
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pango_layout_get_font_description (layout),
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ascent = pango_font_metrics_get_ascent (metrics);
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descent = pango_font_metrics_get_descent (metrics);
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pango_font_metrics_unref (metrics);
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logical_rect.y = - ascent;
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logical_rect.width = ascent + descent;
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logical_rect.height = ascent + descent;
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ink_rect = logical_rect;
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attrs = pango_attr_list_new ();
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text = pango_layout_get_text (layout);
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placeholder_len = strlen (data->placeholder_str);
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for (p = text; (p = strstr (p, data->placeholder_str)); p += placeholder_len) {
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PangoAttribute *attr;
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attr = pango_attr_shape_new_with_data (&ink_rect,
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GUINT_TO_POINTER (g_utf8_get_char (p)),
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attr->start_index = p - text;
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attr->end_index = attr->start_index + placeholder_len;
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pango_attr_list_insert (attrs, attr);
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query_unlock_tooltip (GtkWidget *widget,
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gboolean keyboard_tooltip,
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PangoAttrList *attrs;
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data = g_object_get_data (G_OBJECT (widget), "icon-shape-data");
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label = g_object_get_data (G_OBJECT (widget), "tooltip-label");
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label = gtk_label_new (data->text);
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g_object_ref_sink (label);
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g_object_set_data_full (G_OBJECT (widget),
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"tooltip-label", label, g_object_unref);
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layout = gtk_label_get_layout (GTK_LABEL (label));
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pango_cairo_context_set_shape_renderer (pango_layout_get_context (layout),
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attrs = create_shape_attr_list_for_layout (layout, data);
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gtk_label_set_attributes (GTK_LABEL (label), attrs);
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pango_attr_list_unref (attrs);
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gtk_tooltip_set_custom (tooltip, label);
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setup_tooltip_with_embedded_icon (GtkWidget *widget,
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const gchar *placeholder,
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data = g_object_get_data (G_OBJECT (widget), "icon-shape-data");
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gtk_widget_set_has_tooltip (widget, FALSE);
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g_signal_handler_disconnect (widget, data->query_id);
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g_object_set_data (G_OBJECT (widget), "icon-shape-data", NULL);
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g_object_set_data (G_OBJECT (widget), "tooltip-label", NULL);
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gtk_widget_set_tooltip_text (widget, text);
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data = icon_shape_data_new (text, placeholder, icon);
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g_object_set_data_full (G_OBJECT (widget),
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icon_shape_data_free);
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gtk_widget_set_has_tooltip (widget, TRUE);
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data->query_id = g_signal_connect (widget, "query-tooltip",
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G_CALLBACK (query_unlock_tooltip), NULL);
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show_tooltip_now (GtkWidget *widget,
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GtkSettings *settings;
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settings = gtk_widget_get_settings (widget);
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g_object_get (settings, "gtk-tooltip-timeout", &timeout, NULL);
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g_object_set (settings, "gtk-tooltip-timeout", 1, NULL);
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gtk_tooltip_trigger_tooltip_query (gtk_widget_get_display (widget));
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g_object_set (settings, "gtk-tooltip-timeout", timeout, NULL);
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query_tooltip (GtkWidget *widget,
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gboolean keyboard_mode,
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if (GTK_ENTRY_ICON_SECONDARY == gtk_entry_get_icon_at_pos (GTK_ENTRY (widget), x, y)) {
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tip = gtk_entry_get_icon_tooltip_text (GTK_ENTRY (widget),
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GTK_ENTRY_ICON_SECONDARY);
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gtk_tooltip_set_text (tooltip, tip);
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icon_released (GtkEntry *entry,
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GtkEntryIconPosition pos,
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GtkSettings *settings;
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settings = gtk_widget_get_settings (GTK_WIDGET (entry));
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g_object_get (settings, "gtk-tooltip-timeout", &timeout, NULL);
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g_object_set (settings, "gtk-tooltip-timeout", 1, NULL);
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gtk_tooltip_trigger_tooltip_query (gtk_widget_get_display (GTK_WIDGET (entry)));
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g_object_set (settings, "gtk-tooltip-timeout", timeout, NULL);
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set_entry_validation_error (GtkEntry *entry,
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g_object_set (entry, "caps-lock-warning", FALSE, NULL);
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gtk_entry_set_icon_from_icon_name (entry,
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GTK_ENTRY_ICON_SECONDARY,
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"dialog-error-symbolic");
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gtk_entry_set_icon_activatable (entry,
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GTK_ENTRY_ICON_SECONDARY,
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g_signal_connect (entry, "icon-release",
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G_CALLBACK (icon_released), FALSE);
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g_signal_connect (entry, "query-tooltip",
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G_CALLBACK (query_tooltip), NULL);
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g_object_set (entry, "has-tooltip", TRUE, NULL);
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gtk_entry_set_icon_tooltip_text (entry,
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GTK_ENTRY_ICON_SECONDARY,
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clear_entry_validation_error (GtkEntry *entry)
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g_object_get (entry, "caps-lock-warning", &warning, NULL);
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g_object_set (entry, "has-tooltip", FALSE, NULL);
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gtk_entry_set_icon_from_pixbuf (entry,
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GTK_ENTRY_ICON_SECONDARY,
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g_object_set (entry, "caps-lock-warning", TRUE, NULL);
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popup_menu_below_button (GtkMenu *menu,
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GtkRequisition menu_req;
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GtkTextDirection direction;
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GtkAllocation allocation;
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gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &menu_req);
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direction = gtk_widget_get_direction (button);
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gdk_window_get_origin (gtk_widget_get_window (button), x, y);
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gtk_widget_get_allocation (button, &allocation);
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*y += allocation.y + allocation.height;
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if (direction == GTK_TEXT_DIR_LTR)
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*x += MAX (allocation.width - menu_req.width, 0);
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else if (menu_req.width > allocation.width)
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*x -= menu_req.width - allocation.width;
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rounded_rectangle (cairo_t *cr,
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gdouble corner_radius,
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radius = corner_radius / aspect;
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degrees = G_PI / 180.0;
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cairo_new_sub_path (cr);
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cairo_close_path (cr);
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down_arrow (GtkStyleContext *context,
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GdkRGBA outline_color;
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gdouble vertical_overshoot;
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gdouble x_double, y_double;
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flags = gtk_style_context_get_state (context);
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gtk_style_context_get_color (context, flags, &fg_color);
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gtk_style_context_get_border_color (context, flags, &outline_color);
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vertical_overshoot = line_width / 2.0 * (1. / tan (G_PI / 8));
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if (line_width % 2 == 1)
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vertical_overshoot = ceil (0.5 + vertical_overshoot) - 0.5;
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vertical_overshoot = ceil (vertical_overshoot);
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diameter = (gint) MAX (3, width - 2 * vertical_overshoot);
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diameter -= (1 - (diameter + line_width) % 2);
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radius = diameter / 2.;
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x_double = floor ((x + width / 2) - (radius + line_width) / 2.) + (radius + line_width) / 2.;
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y_double = (y + height / 2) - 0.5;
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cairo_translate (cr, x_double, y_double);
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cairo_rotate (cr, angle);
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cairo_move_to (cr, - radius / 2., - radius);
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cairo_line_to (cr, radius / 2., 0);
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cairo_line_to (cr, - radius / 2., radius);
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cairo_close_path (cr);
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cairo_set_line_width (cr, line_width);
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gdk_cairo_set_source_rgba (cr, &fg_color);
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cairo_fill_preserve (cr);
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gdk_cairo_set_source_rgba (cr, &outline_color);
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#define MAXNAMELEN (UT_NAMESIZE - 1)
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is_username_used (const gchar *username)
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struct passwd *pwent;
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if (username == NULL || username[0] == '\0') {
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pwent = getpwnam (username);
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return pwent != NULL;
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is_valid_name (const gchar *name)
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valid = (strlen (name) > 0);
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is_valid_username (const gchar *username, gchar **tip)
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if (username == NULL || username[0] == '\0') {
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in_use = is_username_used (username);
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too_long = strlen (username) > MAXNAMELEN;
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if (!in_use && !empty && !too_long) {
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/* First char must be a letter, and it must only composed
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* of ASCII letters, digits, and a '.', '-', '_'
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for (c = username; *c; c++) {
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if (! ((*c >= 'a' && *c <= 'z') ||
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(*c >= 'A' && *c <= 'Z') ||
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(*c >= '0' && *c <= '9') ||
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(*c == '_') || (*c == '.') ||
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(*c == '-' && c != username)))
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valid = !empty && !in_use && !too_long && valid;
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if (!empty && (in_use || too_long || !valid)) {
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*tip = g_strdup_printf (_("A user with the username '%s' already exists"),
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*tip = g_strdup_printf (_("The username is too long"));
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else if (username[0] == '-') {
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*tip = g_strdup (_("The username cannot start with a '-'"));
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*tip = g_strdup (_("The username must only consist of:\n"
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" \xe2\x9e\xa3 letters from the English alphabet\n"
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" \xe2\x9e\xa3 digits\n"
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" \xe2\x9e\xa3 any of the characters '.', '-' and '_'"));
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generate_username_choices (const gchar *name,
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char *lc_name, *ascii_name, *stripped_name;
542
char **words2 = NULL;
545
char *unicode_fallback = "?";
546
GString *first_word, *last_word;
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GString *item0, *item1, *item2, *item3, *item4;
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int nwords1, nwords2, i;
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gtk_list_store_clear (store);
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ascii_name = g_convert_with_fallback (name, -1, "ASCII//TRANSLIT", "UTF-8",
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unicode_fallback, NULL, NULL, NULL);
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lc_name = g_ascii_strdown (ascii_name, -1);
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/* Remove all non ASCII alphanumeric chars from the name,
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* apart from the few allowed symbols.
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* We do remove '.', even though it is usually allowed,
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* since it often comes in via an abbreviated middle name,
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* and the dot looks just wrong in the proposals then.
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stripped_name = g_strnfill (strlen (lc_name) + 1, '\0');
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for (c = lc_name; *c; c++) {
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if (!(g_ascii_isdigit (*c) || g_ascii_islower (*c) ||
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*c == ' ' || *c == '-' || *c == '_' ||
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/* used to track invalid words, removed below */
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stripped_name[i] = *c;
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if (strlen (stripped_name) == 0) {
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g_free (stripped_name);
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/* we split name on spaces, and then on dashes, so that we can treat
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* words linked with dashes the same way, i.e. both fully shown, or
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words1 = g_strsplit_set (stripped_name, " ", -1);
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len = g_strv_length (words1);
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/* The default item is a concatenation of all words without ? */
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item0 = g_string_sized_new (strlen (stripped_name));
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g_free (stripped_name);
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/* Concatenate the whole first word with the first letter of each
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* word (item1), and the last word with the first letter of each
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* word (item2). item3 and item4 are symmetrical respectively to
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* Constant 5 is the max reasonable number of words we may get when
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* splitting on dashes, since we can't guess it at this point,
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* and reallocating would be too bad.
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item1 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item3 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item2 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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item4 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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/* again, guess at the max size of names */
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first_word = g_string_sized_new (20);
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last_word = g_string_sized_new (20);
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for (w1 = words1; *w1; w1++) {
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if (strlen (*w1) == 0)
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/* skip words with string '?', most likely resulting
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* from failed transliteration to ASCII
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if (strstr (*w1, unicode_fallback) != NULL)
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nwords1++; /* count real words, excluding empty string */
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item0 = g_string_append (item0, *w1);
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words2 = g_strsplit_set (*w1, "-", -1);
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/* reset last word if a new non-empty word has been found */
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if (strlen (*words2) > 0)
639
last_word = g_string_set_size (last_word, 0);
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for (w2 = words2; *w2; w2++) {
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if (strlen (*w2) == 0)
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/* part of the first "toplevel" real word */
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item1 = g_string_append (item1, *w2);
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first_word = g_string_append (first_word, *w2);
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item1 = g_string_append_unichar (item1,
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g_utf8_get_char (*w2));
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item3 = g_string_append_unichar (item3,
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g_utf8_get_char (*w2));
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/* not part of the last "toplevel" word */
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if (w1 != words1 + len - 1) {
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item2 = g_string_append_unichar (item2,
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g_utf8_get_char (*w2));
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item4 = g_string_append_unichar (item4,
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g_utf8_get_char (*w2));
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/* always save current word so that we have it if last one reveals empty */
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last_word = g_string_append (last_word, *w2);
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item2 = g_string_append (item2, last_word->str);
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item3 = g_string_append (item3, first_word->str);
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item4 = g_string_prepend (item4, last_word->str);
677
items = g_hash_table_new (g_str_hash, g_str_equal);
679
in_use = is_username_used (item0->str);
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if (!in_use && !g_ascii_isdigit (item0->str[0])) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item0->str, -1);
683
g_hash_table_insert (items, item0->str, item0->str);
686
in_use = is_username_used (item1->str);
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if (nwords2 > 0 && !in_use && !g_ascii_isdigit (item1->str[0])) {
688
gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item1->str, -1);
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g_hash_table_insert (items, item1->str, item1->str);
693
/* if there's only one word, would be the same as item1 */
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/* add other items */
696
in_use = is_username_used (item2->str);
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if (!in_use && !g_ascii_isdigit (item2->str[0]) &&
698
!g_hash_table_lookup (items, item2->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item2->str, -1);
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g_hash_table_insert (items, item2->str, item2->str);
704
in_use = is_username_used (item3->str);
705
if (!in_use && !g_ascii_isdigit (item3->str[0]) &&
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!g_hash_table_lookup (items, item3->str)) {
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gtk_list_store_append (store, &iter);
708
gtk_list_store_set (store, &iter, 0, item3->str, -1);
709
g_hash_table_insert (items, item3->str, item3->str);
712
in_use = is_username_used (item4->str);
713
if (!in_use && !g_ascii_isdigit (item4->str[0]) &&
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!g_hash_table_lookup (items, item4->str)) {
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gtk_list_store_append (store, &iter);
716
gtk_list_store_set (store, &iter, 0, item4->str, -1);
717
g_hash_table_insert (items, item4->str, item4->str);
720
/* add the last word */
721
in_use = is_username_used (last_word->str);
722
if (!in_use && !g_ascii_isdigit (last_word->str[0]) &&
723
!g_hash_table_lookup (items, last_word->str)) {
724
gtk_list_store_append (store, &iter);
725
gtk_list_store_set (store, &iter, 0, last_word->str, -1);
726
g_hash_table_insert (items, last_word->str, last_word->str);
729
/* ...and the first one */
730
in_use = is_username_used (first_word->str);
731
if (!in_use && !g_ascii_isdigit (first_word->str[0]) &&
732
!g_hash_table_lookup (items, first_word->str)) {
733
gtk_list_store_append (store, &iter);
734
gtk_list_store_set (store, &iter, 0, first_word->str, -1);
735
g_hash_table_insert (items, first_word->str, first_word->str);
739
g_hash_table_destroy (items);
741
g_string_free (first_word, TRUE);
742
g_string_free (last_word, TRUE);
743
g_string_free (item0, TRUE);
744
g_string_free (item1, TRUE);
745
g_string_free (item2, TRUE);
746
g_string_free (item3, TRUE);
747
g_string_free (item4, TRUE);
751
is_using_ecryptfs (const gchar *name)
753
gboolean using_ecryptfs = FALSE;
758
prog = g_find_program_in_path ("ecryptfs-verify");
760
gchar *cmd = g_strdup_printf("'%s' -h -u '%s'", prog, name);
762
if (g_spawn_command_line_sync (cmd, NULL, NULL, &status, NULL)) {
764
using_ecryptfs = TRUE;
771
return using_ecryptfs;
added
removed
panels/user-accounts/um-utils.c
