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hedera/vn/field/vn-label.c

122 lines
3.2 KiB
C

/*
* Copyright (C) 2012 - Juan Ferrer Toribio
*
* 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 3 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/>.
*/
#include "vn-label.h"
/**
* SECTION:vn-label
* @Short_description: a text label widget
* @Title: VnLabel
* @See_also: #VnField
*
* A label representing a generic value field.
*/
G_DEFINE_TYPE (VnLabel, vn_label, VN_TYPE_FIELD);
/**
* vn_label_new:
*
* Creates a new #VnLabel
*
* Return value:a #VnLabel
**/
VnField * vn_label_new ()
{
return g_object_new (VN_TYPE_LABEL, NULL);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
static void vn_label_set_value (VnLabel * self, const GValue * value)
{
GValue new_value = G_VALUE_INIT;
gvn_value_to_format_string (value, self->format, &new_value);
gtk_label_set_text (self->label, g_value_get_string (&new_value));
g_value_unset (&new_value);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
enum
{
PROP_FORMAT = 1
};
static void vn_label_set_property (VnLabel * self, guint id,
const GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_FORMAT:
g_free (self->format);
self->format = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, id, pspec);
}
}
static void vn_label_get_property (VnLabel * self, guint id,
GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_FORMAT:
g_value_set_string (value, self->format);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, id, pspec);
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
static void vn_label_init (VnLabel * self)
{
self->format = NULL;
self->label = GTK_LABEL (gtk_label_new (""));
gtk_misc_set_alignment (GTK_MISC (self->label), 0, 0.5);
gtk_widget_show (GTK_WIDGET (self->label));
gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (self->label));
VN_FIELD_GET_CLASS (self)->set_widget (VN_FIELD (self),
GTK_WIDGET (self->label));
}
static void vn_label_finalize (VnLabel * self)
{
g_free (self->format);
G_OBJECT_CLASS (vn_label_parent_class)->finalize (G_OBJECT (self));
}
static void vn_label_class_init (VnLabelClass * klass)
{
GObjectClass * k = G_OBJECT_CLASS (klass);
k->set_property = (GObjectSetPropertyFunc) vn_label_set_property;
k->get_property = (GObjectGetPropertyFunc) vn_label_get_property;
k->finalize = (GObjectFinalizeFunc) vn_label_finalize;
VN_FIELD_CLASS (klass)->set_value = (VnFieldSetValueFunc) vn_label_set_value;
g_object_class_install_property (k, PROP_FORMAT,
g_param_spec_string ("format"
,_("Format")
,_("The format string describing the output of the entry.")
,NULL
,G_PARAM_CONSTRUCT | G_PARAM_READWRITE
));
}