[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2008 Red Hat, Inc. |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | * Written by: Matthias Clasen <mclasen@redhat.com> |
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| 20 | * |
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| 21 | */ |
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| 22 | |
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| 23 | #include "config.h" |
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| 24 | |
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| 25 | #include <stdlib.h> |
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| 26 | #include <stdio.h> |
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| 27 | #include <unistd.h> |
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| 28 | #include <string.h> |
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| 29 | #include <errno.h> |
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| 30 | #include <dirent.h> |
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| 31 | #include <sys/stat.h> |
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| 32 | |
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| 33 | #include <glib.h> |
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| 34 | #include <glib/gi18n.h> |
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| 35 | #include <glib/gstdio.h> |
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| 36 | #include <gtk/gtk.h> |
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| 37 | |
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| 38 | #include "gdm-profile.h" |
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| 39 | #include "gdm-layouts.h" |
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| 40 | #include "gdm-layout-option-widget.h" |
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| 41 | #include "gdm-recent-option-widget.h" |
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| 42 | #include "gdm-layout-chooser-dialog.h" |
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| 43 | |
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| 44 | #define GDM_LAYOUT_OPTION_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_LAYOUT_OPTION_WIDGET, GdmLayoutOptionWidgetPrivate)) |
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| 45 | |
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| 46 | struct GdmLayoutOptionWidgetPrivate |
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| 47 | { |
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| 48 | GtkWidget *dialog; |
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| 49 | }; |
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| 50 | |
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| 51 | enum { |
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| 52 | LAYOUT_ACTIVATED, |
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| 53 | DIALOG_HIDDEN, |
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| 54 | NUMBER_OF_SIGNALS |
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| 55 | }; |
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| 56 | |
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| 57 | static guint signals [NUMBER_OF_SIGNALS] = { 0, }; |
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| 58 | |
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| 59 | static void gdm_layout_option_widget_class_init (GdmLayoutOptionWidgetClass *klass); |
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| 60 | static void gdm_layout_option_widget_init (GdmLayoutOptionWidget *layout_option_widget); |
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| 61 | static void gdm_layout_option_widget_finalize (GObject *object); |
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| 62 | static void gdm_layout_option_widget_hide_dialog (GdmLayoutOptionWidget *widget); |
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| 63 | |
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| 64 | G_DEFINE_TYPE (GdmLayoutOptionWidget, gdm_layout_option_widget, GDM_TYPE_RECENT_OPTION_WIDGET) |
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| 65 | |
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| 66 | static void |
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| 67 | gdm_layout_option_widget_set_layout_from_dialog (GdmLayoutOptionWidget *widget) |
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| 68 | { |
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| 69 | char *layout_name; |
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| 70 | |
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| 71 | layout_name = gdm_layout_chooser_dialog_get_current_layout_name (GDM_LAYOUT_CHOOSER_DIALOG (widget->priv->dialog)); |
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| 72 | g_debug ("GdmLayoutOptionWidget: Setting layout from dialog: '%s'", layout_name); |
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| 73 | |
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| 74 | gdm_layout_option_widget_set_current_layout_name (widget, layout_name); |
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| 75 | g_free (layout_name); |
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| 76 | } |
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| 77 | |
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| 78 | static void |
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| 79 | on_dialog_response (GtkDialog *dialog, |
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| 80 | int response_id, |
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| 81 | GdmLayoutOptionWidget *widget) |
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| 82 | { |
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| 83 | g_debug ("GdmLayoutOptionWidget: Got response from dialog: '%d'", response_id); |
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| 84 | |
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| 85 | switch (response_id) { |
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| 86 | case GTK_RESPONSE_OK: |
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| 87 | gdm_layout_option_widget_set_layout_from_dialog (widget); |
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| 88 | break; |
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| 89 | default: |
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| 90 | break; |
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| 91 | } |
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| 92 | |
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| 93 | gdm_layout_option_widget_hide_dialog (widget); |
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| 94 | } |
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| 95 | |
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| 96 | static void |
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| 97 | gdm_layout_option_widget_hide_dialog (GdmLayoutOptionWidget *widget) |
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| 98 | { |
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| 99 | gtk_widget_destroy (widget->priv->dialog); |
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| 100 | widget->priv->dialog = NULL; |
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| 101 | g_signal_emit (G_OBJECT (widget), signals [DIALOG_HIDDEN], 0); |
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| 102 | } |
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| 103 | |
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| 104 | static void |
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| 105 | create_dialog (GdmLayoutOptionWidget *widget) |
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| 106 | { |
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| 107 | gdm_profile_start (NULL); |
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| 108 | |
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| 109 | g_assert (widget->priv->dialog == NULL); |
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| 110 | |
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| 111 | widget->priv->dialog = gdm_layout_chooser_dialog_new (); |
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| 112 | |
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| 113 | gdm_profile_end (NULL); |
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| 114 | } |
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| 115 | |
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| 116 | static void |
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| 117 | gdm_layout_option_widget_show_dialog (GdmLayoutOptionWidget *widget, |
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| 118 | const char *active_item_id) |
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| 119 | { |
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| 120 | if (widget->priv->dialog == NULL) { |
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| 121 | create_dialog (widget); |
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| 122 | } |
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| 123 | |
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| 124 | g_signal_connect (GTK_DIALOG (widget->priv->dialog), |
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| 125 | "response", |
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| 126 | G_CALLBACK (on_dialog_response), |
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| 127 | widget); |
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| 128 | |
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| 129 | gtk_widget_show_all (GTK_WIDGET (widget->priv->dialog)); |
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| 130 | |
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| 131 | gdm_layout_chooser_dialog_set_current_layout_name (GDM_LAYOUT_CHOOSER_DIALOG (GDM_LAYOUT_OPTION_WIDGET (widget)->priv->dialog), |
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| 132 | active_item_id); |
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| 133 | } |
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| 134 | |
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| 135 | static void |
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| 136 | gdm_layout_option_widget_activated (GdmOptionWidget *widget) |
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| 137 | { |
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| 138 | char *active_item_id; |
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| 139 | |
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| 140 | active_item_id = gdm_option_widget_get_active_item (GDM_OPTION_WIDGET (widget)); |
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| 141 | if (active_item_id == NULL) { |
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| 142 | return; |
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| 143 | } |
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| 144 | |
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| 145 | if (strcmp (active_item_id, "__other") == 0) { |
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| 146 | g_free (active_item_id); |
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| 147 | |
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| 148 | active_item_id = gdm_option_widget_get_default_item (widget); |
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| 149 | gdm_layout_option_widget_set_current_layout_name (GDM_LAYOUT_OPTION_WIDGET (widget), active_item_id); |
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| 150 | gdm_layout_option_widget_show_dialog (GDM_LAYOUT_OPTION_WIDGET (widget), active_item_id); |
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| 151 | } |
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| 152 | |
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| 153 | g_signal_emit (G_OBJECT (widget), signals[LAYOUT_ACTIVATED], 0); |
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| 154 | |
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| 155 | g_free (active_item_id); |
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| 156 | } |
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| 157 | |
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| 158 | static void |
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| 159 | gdm_layout_option_widget_class_init (GdmLayoutOptionWidgetClass *klass) |
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| 160 | { |
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| 161 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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| 162 | GdmOptionWidgetClass *option_widget_class = GDM_OPTION_WIDGET_CLASS (klass); |
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| 163 | |
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| 164 | object_class->finalize = gdm_layout_option_widget_finalize; |
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| 165 | |
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| 166 | option_widget_class->activated = gdm_layout_option_widget_activated; |
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| 167 | |
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| 168 | signals[LAYOUT_ACTIVATED] = g_signal_new ("layout-activated", |
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| 169 | G_TYPE_FROM_CLASS (object_class), |
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| 170 | G_SIGNAL_RUN_FIRST, |
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| 171 | G_STRUCT_OFFSET (GdmLayoutOptionWidgetClass, layout_activated), |
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| 172 | NULL, |
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| 173 | NULL, |
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| 174 | g_cclosure_marshal_VOID__VOID, |
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| 175 | G_TYPE_NONE, |
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| 176 | 0); |
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| 177 | |
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| 178 | signals[DIALOG_HIDDEN] = g_signal_new ("dialog-hidden", |
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| 179 | G_TYPE_FROM_CLASS (object_class), |
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| 180 | G_SIGNAL_RUN_FIRST, |
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| 181 | G_STRUCT_OFFSET (GdmLayoutOptionWidgetClass, dialog_hidden), |
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| 182 | NULL, |
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| 183 | NULL, |
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| 184 | g_cclosure_marshal_VOID__VOID, |
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| 185 | G_TYPE_NONE, |
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| 186 | 0); |
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| 187 | |
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| 188 | g_type_class_add_private (klass, sizeof (GdmLayoutOptionWidgetPrivate)); |
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| 189 | } |
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| 190 | |
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| 191 | static char * |
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| 192 | gdm_layout_option_widget_lookup_item (GdmRecentOptionWidget *widget, |
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| 193 | const char *key, |
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| 194 | char **name, |
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| 195 | char **comment) |
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| 196 | { |
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| 197 | char *layout; |
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| 198 | |
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| 199 | layout = gdm_get_layout_from_name (key); |
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| 200 | |
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| 201 | if (layout == NULL) { |
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| 202 | return NULL; |
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| 203 | } |
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| 204 | |
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| 205 | *name = layout; |
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| 206 | *comment = NULL; |
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| 207 | |
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| 208 | return g_strdup (key); |
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| 209 | } |
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| 210 | |
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| 211 | static void |
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| 212 | gdm_layout_option_widget_init (GdmLayoutOptionWidget *widget) |
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| 213 | { |
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| 214 | GError *error; |
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| 215 | |
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| 216 | widget->priv = GDM_LAYOUT_OPTION_WIDGET_GET_PRIVATE (widget); |
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| 217 | |
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| 218 | error = NULL; |
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| 219 | gdm_recent_option_widget_set_gconf_key (GDM_RECENT_OPTION_WIDGET (widget), |
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| 220 | "/apps/gdm/simple-greeter/recent-layouts", |
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| 221 | gdm_layout_option_widget_lookup_item, |
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| 222 | &error); |
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| 223 | |
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| 224 | if (error != NULL) { |
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| 225 | g_warning ("Could not read recent layouts from gconf: %s", |
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| 226 | error->message); |
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| 227 | g_error_free (error); |
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| 228 | } |
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| 229 | |
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| 230 | gdm_option_widget_add_item (GDM_OPTION_WIDGET (widget), |
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| 231 | "__other", |
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| 232 | /* translators: This brings up a dialog of |
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| 233 | * available keyboard layouts |
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| 234 | */ |
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| 235 | C_("keyboard", "Other..."), |
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| 236 | _("Choose a keyboard layout from the " |
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| 237 | "full list of available layouts."), |
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| 238 | GDM_OPTION_WIDGET_POSITION_BOTTOM); |
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| 239 | } |
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| 240 | |
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| 241 | static void |
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| 242 | gdm_layout_option_widget_finalize (GObject *object) |
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| 243 | { |
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| 244 | GdmLayoutOptionWidget *layout_option_widget; |
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| 245 | |
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| 246 | g_return_if_fail (object != NULL); |
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| 247 | g_return_if_fail (GDM_IS_LAYOUT_OPTION_WIDGET (object)); |
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| 248 | |
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| 249 | layout_option_widget = GDM_LAYOUT_OPTION_WIDGET (object); |
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| 250 | |
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| 251 | g_return_if_fail (layout_option_widget->priv != NULL); |
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| 252 | |
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| 253 | if (layout_option_widget->priv->dialog != NULL) { |
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| 254 | gtk_widget_destroy (layout_option_widget->priv->dialog); |
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| 255 | } |
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| 256 | |
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| 257 | G_OBJECT_CLASS (gdm_layout_option_widget_parent_class)->finalize (object); |
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| 258 | } |
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| 259 | |
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| 260 | GtkWidget * |
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| 261 | gdm_layout_option_widget_new (void) |
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| 262 | { |
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| 263 | GObject *object; |
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| 264 | |
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| 265 | object = g_object_new (GDM_TYPE_LAYOUT_OPTION_WIDGET, |
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| 266 | "label-text", _("_Keyboard:"), |
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| 267 | "icon-name", "preferences-desktop-keyboard", |
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| 268 | "max-item-count", 8, |
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| 269 | NULL); |
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| 270 | |
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| 271 | return GTK_WIDGET (object); |
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| 272 | } |
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| 273 | |
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| 274 | char * |
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| 275 | gdm_layout_option_widget_get_current_layout_name (GdmLayoutOptionWidget *widget) |
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| 276 | { |
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| 277 | char *active_item_id; |
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| 278 | |
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| 279 | active_item_id = gdm_option_widget_get_active_item (GDM_OPTION_WIDGET (widget)); |
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| 280 | if (active_item_id == NULL) { |
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| 281 | return NULL; |
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| 282 | } |
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| 283 | |
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| 284 | if (strcmp (active_item_id, "__other") == 0) { |
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| 285 | g_free (active_item_id); |
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| 286 | return NULL; |
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| 287 | } |
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| 288 | |
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| 289 | return active_item_id; |
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| 290 | } |
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| 291 | |
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| 292 | void |
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| 293 | gdm_layout_option_widget_set_current_layout_name (GdmLayoutOptionWidget *widget, |
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| 294 | const char *id) |
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| 295 | { |
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| 296 | g_return_if_fail (GDM_IS_LAYOUT_OPTION_WIDGET (widget)); |
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| 297 | |
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| 298 | if (id != NULL && |
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| 299 | !gdm_option_widget_lookup_item (GDM_OPTION_WIDGET (widget), |
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| 300 | id, NULL, NULL, NULL)) { |
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| 301 | gdm_recent_option_widget_add_item (GDM_RECENT_OPTION_WIDGET (widget), |
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| 302 | id); |
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| 303 | } |
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| 304 | g_debug ("GdmLayoutOptionWidget: Setting active item: '%s'", id); |
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| 305 | gdm_option_widget_set_active_item (GDM_OPTION_WIDGET (widget), id); |
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| 306 | } |
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