diff options
Diffstat (limited to 'tui/nmt-mac-entry.c')
| -rw-r--r-- | tui/nmt-mac-entry.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/tui/nmt-mac-entry.c b/tui/nmt-mac-entry.c new file mode 100644 index 00000000..5e1c4174 --- /dev/null +++ b/tui/nmt-mac-entry.c @@ -0,0 +1,236 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Copyright 2013 Red Hat, Inc. + */ + +/** + * SECTION:nmt-mac-entry + * @short_description: #NmtNewtEntry for hardware address entry + * + * #NmtMacEntry is an #NmtNewtEntry for entering hardware addresses. + * It will only allow typing characters that are valid in a hardware + * address, and will set its #NmtNewtWidget:valid property depending + * on whether it currently contains a valid hardware address. + */ + +#include "config.h" + +#include <string.h> + +#include <dbus/dbus-glib.h> +#include <nm-utils.h> + +#include "nmt-mac-entry.h" + +G_DEFINE_TYPE (NmtMacEntry, nmt_mac_entry, NMT_TYPE_NEWT_ENTRY) + +#define NMT_MAC_ENTRY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_MAC_ENTRY, NmtMacEntryPrivate)) + +typedef struct { + int mac_length; + int mac_str_length; + +} NmtMacEntryPrivate; + +enum { + PROP_0, + PROP_MAC_LENGTH, + PROP_MAC_ADDRESS, + + LAST_PROP +}; + +/** + * nmt_mac_entry_new: + * @width: the width in characters of the entry + * @mac_length: the length in bytes of the hardware address + * (either %ETH_ALEN or %INFINIBAND_ALEN) + * + * Creates a new #NmtMacEntry. + * + * Returns: a new #NmtMacEntry. + */ +NmtNewtWidget * +nmt_mac_entry_new (int width, + int mac_length) +{ + return g_object_new (NMT_TYPE_MAC_ENTRY, + "width", width, + "mac-length", mac_length, + NULL); +} + +static gboolean +mac_filter (NmtNewtEntry *entry, + const char *text, + int ch, + int position, + gpointer user_data) +{ + NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (entry); + + if (position >= priv->mac_str_length) + return FALSE; + + return g_ascii_isxdigit (ch) || ch == ':'; +} + +static gboolean +mac_validator (NmtNewtEntry *entry, + const char *text, + gpointer user_data) +{ + NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (entry); + const char *p; + + if (!*text) + return TRUE; + + p = text; + while ( g_ascii_isxdigit (p[0]) + && g_ascii_isxdigit (p[1]) + && p[2] == ':') + p += 3; + + if ( !g_ascii_isxdigit (p[0]) + || !g_ascii_isxdigit (p[1])) + return FALSE; + p += 2; + + if (!*p) + return (p - text == priv->mac_str_length); + + if (g_ascii_isxdigit (p[0]) && !p[1]) { + char *fixed = g_strdup_printf ("%.*s:%c", (int)(p - text), text, *p); + + nmt_newt_entry_set_text (entry, fixed); + g_free (fixed); + + /* FIXME: NmtNewtEntry doesn't correctly deal with us calling set_text() + * from inside the validator. + */ + nmt_newt_widget_needs_rebuild (NMT_NEWT_WIDGET (entry)); + } + + return FALSE; +} + +static void +nmt_mac_entry_init (NmtMacEntry *entry) +{ + nmt_newt_entry_set_filter (NMT_NEWT_ENTRY (entry), mac_filter, NULL); + nmt_newt_entry_set_validator (NMT_NEWT_ENTRY (entry), mac_validator, NULL); +} + +static void +nmt_mac_entry_notify (GObject *object, + GParamSpec *pspec) +{ + if (G_OBJECT_CLASS (nmt_mac_entry_parent_class)->notify) + G_OBJECT_CLASS (nmt_mac_entry_parent_class)->notify (object, pspec); + + if (pspec->owner_type == NMT_TYPE_NEWT_ENTRY && !strcmp (pspec->name, "text")) + g_object_notify (object, "mac-address"); +} + +static void +nmt_mac_entry_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (object); + GByteArray *addr; + char *addr_str; + + switch (prop_id) { + case PROP_MAC_LENGTH: + priv->mac_length = g_value_get_int (value); + priv->mac_str_length = priv->mac_length * 3 - 1; + break; + case PROP_MAC_ADDRESS: + addr = g_value_get_boxed (value); + if (addr) { + addr_str = nm_utils_hwaddr_ntoa_len (addr->data, addr->len); + nmt_newt_entry_set_text (NMT_NEWT_ENTRY (object), addr_str); + g_free (addr_str); + } else + nmt_newt_entry_set_text (NMT_NEWT_ENTRY (object), ""); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_mac_entry_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (object); + GByteArray *addr; + + switch (prop_id) { + case PROP_MAC_LENGTH: + g_value_set_int (value, priv->mac_length); + break; + case PROP_MAC_ADDRESS: + addr = nm_utils_hwaddr_atoba (nmt_newt_entry_get_text (NMT_NEWT_ENTRY (object)), ARPHRD_ETHER); + g_value_take_boxed (value, addr); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_mac_entry_class_init (NmtMacEntryClass *entry_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (entry_class); + + g_type_class_add_private (entry_class, sizeof (NmtMacEntryPrivate)); + + /* virtual methods */ + object_class->notify = nmt_mac_entry_notify; + object_class->set_property = nmt_mac_entry_set_property; + object_class->get_property = nmt_mac_entry_get_property; + + /** + * NmtMacEntry:mac-length: + * + * The length in bytes of the hardware address type the entry + * accepts: either %ETH_ALEN or %INFINIBAND_ALEN. + */ + g_object_class_install_property (object_class, PROP_MAC_LENGTH, + g_param_spec_int ("mac-length", "", "", + 0, INFINIBAND_ALEN, ETH_ALEN, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS)); + /** + * NmtMacEntry:mac-address: + * + * The MAC address, in binary (in the same format used by the various + * #NMSetting "mac-address" properties). + */ + g_object_class_install_property (object_class, PROP_MAC_ADDRESS, + g_param_spec_boxed ("mac-address", "", "", + DBUS_TYPE_G_UCHAR_ARRAY, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS)); +} |