236 lines
6.5 KiB
C
236 lines
6.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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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, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2013 Red Hat, Inc.
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*/
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/**
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* SECTION:nmt-newt-checkbox
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* @short_description: Checkboxes
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*
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* #NmtNewtCheckbox implements a checkbox widget.
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*/
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#include "config.h"
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#include "nmt-newt-checkbox.h"
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#include "nmt-newt-utils.h"
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G_DEFINE_TYPE (NmtNewtCheckbox, nmt_newt_checkbox, NMT_TYPE_NEWT_COMPONENT)
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#define NMT_NEWT_CHECKBOX_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_NEWT_CHECKBOX, NmtNewtCheckboxPrivate))
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typedef struct {
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char *label_lc;
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gboolean active;
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} NmtNewtCheckboxPrivate;
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enum {
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PROP_0,
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PROP_LABEL,
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PROP_ACTIVE,
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LAST_PROP
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};
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#define CHECKBOX_INACTIVE ' '
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#define CHECKBOX_ACTIVE 'X'
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#define CHECKBOX_STATES " X"
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/**
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* nmt_newt_checkbox_new:
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* @label: the (initial) checkbox label
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*
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* Creates a new checkbox.
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*
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* Returns: a new #NmtNewtCheckbox
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*/
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NmtNewtWidget *
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nmt_newt_checkbox_new (const char *label)
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{
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return g_object_new (NMT_TYPE_NEWT_CHECKBOX,
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"label", label,
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NULL);
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}
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/**
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* nmt_newt_checkbox_set_active:
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* @checkbox: an #NmtNewtCheckbox
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* @active: whether @checkbox should be checked
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*
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* Updates @checkbox's checked state
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*/
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void
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nmt_newt_checkbox_set_active (NmtNewtCheckbox *checkbox,
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gboolean active)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (checkbox);
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newtComponent co;
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active = !!active;
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if (active == priv->active)
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return;
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priv->active = active;
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co = nmt_newt_component_get_component (NMT_NEWT_COMPONENT (checkbox));
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if (co)
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newtCheckboxSetValue (co, priv->active ? CHECKBOX_ACTIVE : CHECKBOX_INACTIVE);
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g_object_notify (G_OBJECT (checkbox), "active");
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}
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/**
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* nmt_newt_checkbox_get_active:
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* @checkbox: an #NmtNewtCheckbox
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*
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* Gets @checkbox's checked state
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*
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* Returns: @checkbox's checked state
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*/
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gboolean
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nmt_newt_checkbox_get_active (NmtNewtCheckbox *checkbox)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (checkbox);
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return priv->active;
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}
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static void
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nmt_newt_checkbox_init (NmtNewtCheckbox *checkbox)
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{
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}
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static void
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nmt_newt_checkbox_finalize (GObject *object)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (object);
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g_free (priv->label_lc);
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G_OBJECT_CLASS (nmt_newt_checkbox_parent_class)->finalize (object);
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}
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static void
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checkbox_toggled_callback (newtComponent co,
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void *checkbox)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (checkbox);
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gboolean active;
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active = (newtCheckboxGetValue (co) == CHECKBOX_ACTIVE);
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if (active != priv->active) {
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priv->active = active;
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g_object_notify (checkbox, "active");
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}
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}
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static newtComponent
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nmt_newt_checkbox_build_component (NmtNewtComponent *component,
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gboolean sensitive)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (component);
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newtComponent co;
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co = newtCheckbox (-1, -1, priv->label_lc,
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priv->active ? CHECKBOX_ACTIVE : CHECKBOX_INACTIVE,
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CHECKBOX_STATES, NULL);
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if (!sensitive)
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newtCheckboxSetFlags (co, NEWT_FLAG_DISABLED, NEWT_FLAGS_SET);
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newtComponentAddCallback (co, checkbox_toggled_callback, component);
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return co;
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}
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static void
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nmt_newt_checkbox_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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NmtNewtCheckbox *checkbox = NMT_NEWT_CHECKBOX (object);
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (object);
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switch (prop_id) {
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case PROP_LABEL:
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g_free (priv->label_lc);
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priv->label_lc = nmt_newt_locale_from_utf8 (g_value_get_string (value));
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break;
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case PROP_ACTIVE:
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nmt_newt_checkbox_set_active (checkbox, g_value_get_boolean (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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nmt_newt_checkbox_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NmtNewtCheckboxPrivate *priv = NMT_NEWT_CHECKBOX_GET_PRIVATE (object);
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switch (prop_id) {
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case PROP_LABEL:
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g_value_take_string (value, nmt_newt_locale_to_utf8 (priv->label_lc));
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break;
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case PROP_ACTIVE:
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g_value_set_boolean (value, priv->active);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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nmt_newt_checkbox_class_init (NmtNewtCheckboxClass *checkbox_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (checkbox_class);
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NmtNewtComponentClass *component_class = NMT_NEWT_COMPONENT_CLASS (checkbox_class);
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g_type_class_add_private (checkbox_class, sizeof (NmtNewtCheckboxPrivate));
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/* virtual methods */
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object_class->set_property = nmt_newt_checkbox_set_property;
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object_class->get_property = nmt_newt_checkbox_get_property;
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object_class->finalize = nmt_newt_checkbox_finalize;
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component_class->build_component = nmt_newt_checkbox_build_component;
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/**
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* NmtNewtCheckbox:label:
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*
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* The checkbox's label
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*/
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g_object_class_install_property (object_class, PROP_LABEL,
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g_param_spec_string ("label", "", "",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NmtNewtCheckbox:active:
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*
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* The checkbox's checked state
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*/
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g_object_class_install_property (object_class, PROP_ACTIVE,
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g_param_spec_boolean ("active", "", "",
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FALSE,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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}
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