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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Author :
* Damon Chaplin <damon@ximian.com>
*
* Copyright 2001, Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
/*
* ECellPercent - a subclass of ECellText used to show an integer percentage
* in an ETable.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdio.h>
#include <libgnomeui/gnome-messagebox.h>
#include <glib/gi18n.h>
#include "e-cell-percent.h"
G_DEFINE_TYPE (ECellPercent, e_cell_percent, E_CELL_TEXT_TYPE)
static char *
ecp_get_text (ECellText *cell, ETableModel *model, int col, int row)
{
int percent;
static char buffer[8];
percent = GPOINTER_TO_INT (e_table_model_value_at (model, col, row));
/* A -ve value means the property is not set. */
if (percent < 0) {
buffer[0] = '\0';
} else {
g_snprintf (buffer, sizeof (buffer), "%i%%", percent);
}
return buffer;
}
static void
ecp_free_text(ECellText *cell, char *text)
{
/* Do Nothing. */
}
/* FIXME: We need to set the "transient_for" property for the dialog. */
static void
show_percent_warning (void)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (
NULL, 0,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
_("The percent value must be between 0 and 100, inclusive"));
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static void
ecp_set_value (ECellText *cell, ETableModel *model, int col, int row,
const char *text)
{
int matched, percent;
gboolean empty = TRUE;
const char *p;
if (text) {
p = text;
while (*p) {
if (!isspace ((unsigned char) *p)) {
empty = FALSE;
break;
}
p++;
}
}
if (empty) {
percent = -1;
} else {
matched = sscanf (text, "%i", &percent);
if (matched != 1 || percent < 0 || percent > 100) {
show_percent_warning ();
return;
}
}
e_table_model_set_value_at (model, col, row,
GINT_TO_POINTER (percent));
}
static void
e_cell_percent_class_init (ECellPercentClass *ecpc)
{
ECellTextClass *ectc = (ECellTextClass *) ecpc;
ectc->get_text = ecp_get_text;
ectc->free_text = ecp_free_text;
ectc->set_value = ecp_set_value;
}
static void
e_cell_percent_init (ECellPercent *ecp)
{
}
/**
* e_cell_percent_new:
* @fontname: font to be used to render on the screen
* @justify: Justification of the string in the cell.
*
* Creates a new ECell renderer that can be used to render an integer
* percentage that comes from the model. The value returned from the model is
* interpreted as being an int.
*
* See ECellText for other features.
*
* Returns: an ECell object that can be used to render numbers.
*/
ECell *
e_cell_percent_new (const char *fontname, GtkJustification justify)
{
ECellPercent *ecn = g_object_new (E_CELL_PERCENT_TYPE, NULL);
e_cell_text_construct (E_CELL_TEXT(ecn), fontname, justify);
return (ECell *) ecn;
}
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