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Diffstat (limited to 'tui/nmt-mtu-entry.c')
| -rw-r--r-- | tui/nmt-mtu-entry.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/tui/nmt-mtu-entry.c b/tui/nmt-mtu-entry.c new file mode 100644 index 000000000..da3746ccb --- /dev/null +++ b/tui/nmt-mtu-entry.c @@ -0,0 +1,191 @@ +/* -*- 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-mtu-entry + * @short_description: #NmtNewtEntry for MTU entry + * + * #NmtMtuEntry is an #NmtNewtEntry for entering MTU values. It will + * only allow typing numeric characters, and will set its + * #NmtNewtWidget:valid property depending on whether it currently + * contains a valid MTU. + * + * The entry also has an attached #NmtNewtLabel. When the entry value + * is "0", the label will read "(default)". Otherwise it reads "bytes", + * indicating the units used by the entry. + */ + +#include "config.h" + +#include <stdlib.h> + +#include <glib/gi18n-lib.h> + +#include "nmt-mtu-entry.h" + +G_DEFINE_TYPE (NmtMtuEntry, nmt_mtu_entry, NMT_TYPE_NEWT_GRID) + +#define NMT_MTU_ENTRY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_MTU_ENTRY, NmtMtuEntryPrivate)) + +typedef struct { + int mtu; + + NmtNewtEntry *entry; + NmtNewtLabel *label; + +} NmtMtuEntryPrivate; + +enum { + PROP_0, + PROP_MTU, + + LAST_PROP +}; + +/** + * nmt_mtu_entry_new: + * + * Creates a new #NmtMtuEntry + * + * Returns: a new #NmtMtuEntry + */ +NmtNewtWidget * +nmt_mtu_entry_new (void) +{ + return g_object_new (NMT_TYPE_MTU_ENTRY, NULL); +} + +static gboolean +mtu_validator (NmtNewtEntry *entry, + const char *text, + gpointer user_data) +{ + NmtMtuEntryPrivate *priv = NMT_MTU_ENTRY_GET_PRIVATE (user_data); + + if (*text && !atoi (text)) { + nmt_newt_entry_set_text (entry, ""); + text = ""; + } + + if (!*text) + nmt_newt_label_set_text (priv->label, _("(default)")); + else + nmt_newt_label_set_text (priv->label, _("bytes")); + + return TRUE; +} + +static gboolean +mtu_transform_to_text (GBinding *binding, + const GValue *source_value, + GValue *target_value, + gpointer user_data) +{ + int mtu = g_value_get_int (source_value); + + if (mtu) + g_value_transform (source_value, target_value); + else + g_value_set_string (target_value, ""); + return TRUE; +} + +static void +nmt_mtu_entry_init (NmtMtuEntry *entry) +{ + + NmtMtuEntryPrivate *priv = NMT_MTU_ENTRY_GET_PRIVATE (entry); + NmtNewtGrid *grid = NMT_NEWT_GRID (entry); + NmtNewtWidget *real_entry, *label; + + real_entry = nmt_newt_entry_numeric_new (10, 0, 65535); + priv->entry = NMT_NEWT_ENTRY (real_entry); + + label = nmt_newt_label_new (_("bytes")); + priv->label = NMT_NEWT_LABEL (label); + + nmt_newt_grid_add (grid, real_entry, 0, 0); + nmt_newt_grid_add (grid, label, 1, 0); + nmt_newt_widget_set_padding (label, 1, 0, 0, 0); + + nmt_newt_entry_set_validator (priv->entry, mtu_validator, entry); + g_object_bind_property_full (entry, "mtu", real_entry, "text", + G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE, + mtu_transform_to_text, + NULL, + NULL, NULL); +} + +static void +nmt_mtu_entry_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + NmtMtuEntryPrivate *priv = NMT_MTU_ENTRY_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_MTU: + priv->mtu = g_value_get_int (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_mtu_entry_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NmtMtuEntryPrivate *priv = NMT_MTU_ENTRY_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_MTU: + g_value_set_int (value, priv->mtu); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_mtu_entry_class_init (NmtMtuEntryClass *entry_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (entry_class); + + g_type_class_add_private (entry_class, sizeof (NmtMtuEntryPrivate)); + + /* virtual methods */ + object_class->set_property = nmt_mtu_entry_set_property; + object_class->get_property = nmt_mtu_entry_get_property; + + /** + * NmtMtuEntry:mtu: + * + * The contents of the entry, as a number. + */ + g_object_class_install_property (object_class, PROP_MTU, + g_param_spec_int ("mtu", "", "", + 0, G_MAXINT, 0, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS)); +} |