160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
/*
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Authors:
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* Damon Chaplin <damon@ximian.com>
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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/*
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* ECellPercent - a subclass of ECellText used to show an integer percentage
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* in an ETable.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <ctype.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <glib/gi18n.h>
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#include "e-cell-percent.h"
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G_DEFINE_TYPE (ECellPercent, e_cell_percent, E_TYPE_CELL_TEXT)
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static gchar *
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ecp_get_text (ECellText *cell,
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ETableModel *model,
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gint col,
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gint row)
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{
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gint percent;
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static gchar buffer[8];
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percent = GPOINTER_TO_INT (e_table_model_value_at (model, col, row));
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/* A -ve value means the property is not set. */
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if (percent < 0) {
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buffer[0] = '\0';
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} else {
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g_snprintf (buffer, sizeof (buffer), "%i%%", percent);
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}
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return buffer;
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}
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static void
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ecp_free_text (ECellText *cell,
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gchar *text)
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{
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/* Do Nothing. */
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}
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/* FIXME: We need to set the "transient_for" property for the dialog. */
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static void
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show_percent_warning (void)
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{
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GtkWidget *dialog;
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dialog = gtk_message_dialog_new (
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NULL, 0,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
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"%s", _("The percent value must be between 0 and 100, inclusive"));
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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}
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static void
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ecp_set_value (ECellText *cell,
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ETableModel *model,
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gint col,
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gint row,
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const gchar *text)
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{
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gint matched, percent;
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gboolean empty = TRUE;
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const gchar *p;
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if (text) {
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p = text;
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while (*p) {
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if (!isspace ((guchar) *p)) {
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empty = FALSE;
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break;
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}
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p++;
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}
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}
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if (empty) {
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percent = -1;
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} else {
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matched = sscanf (text, "%i", &percent);
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if (matched != 1 || percent < 0 || percent > 100) {
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show_percent_warning ();
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return;
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}
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}
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e_table_model_set_value_at (model, col, row,
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GINT_TO_POINTER (percent));
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}
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static void
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e_cell_percent_class_init (ECellPercentClass *ecpc)
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{
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ECellTextClass *ectc = (ECellTextClass *) ecpc;
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ectc->get_text = ecp_get_text;
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ectc->free_text = ecp_free_text;
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ectc->set_value = ecp_set_value;
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}
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static void
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e_cell_percent_init (ECellPercent *ecp)
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{
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}
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/**
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* e_cell_percent_new:
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* @fontname: font to be used to render on the screen
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* @justify: Justification of the string in the cell.
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*
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* Creates a new ECell renderer that can be used to render an integer
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* percentage that comes from the model. The value returned from the model is
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* interpreted as being an int.
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*
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* See ECellText for other features.
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*
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* Returns: an ECell object that can be used to render numbers.
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*/
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ECell *
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e_cell_percent_new (const gchar *fontname,
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GtkJustification justify)
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{
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ECellPercent *ecn = g_object_new (E_TYPE_CELL_PERCENT, NULL);
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e_cell_text_construct (E_CELL_TEXT (ecn), fontname, justify);
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return (ECell *) ecn;
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}
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