ea6d89e804
2003-04-06 Chris Toshok <toshok@ximian.com> * e-cell-percent.h: e_cell_percent_get_type returns GType, not GtkType. * e-cell-percent.c (e_cell_percent_new): use g_object_new, not gtk_object_new. svn path=/trunk/; revision=20692
159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* Author :
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* Damon Chaplin <damon@ximian.com>
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*
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* Copyright 2001, Ximian, Inc.
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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 version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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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
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* GNU 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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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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#include <config.h>
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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 <gal/util/e-util.h>
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#include <libgnomeui/gnome-messagebox.h>
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#include <libgnome/gnome-i18n.h>
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#include "e-cell-percent.h"
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#define PARENT_TYPE e_cell_text_get_type ()
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static ECellTextClass *parent_class;
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static char *
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ecp_get_text (ECellText *cell, ETableModel *model, int col, int row)
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{
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int percent;
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static char 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, char *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 = gnome_message_box_new (_("The percent value must be between 0 and 100, inclusive"),
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GNOME_MESSAGE_BOX_ERROR,
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GNOME_STOCK_BUTTON_OK, NULL);
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gtk_widget_show (dialog);
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}
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static void
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ecp_set_value (ECellText *cell, ETableModel *model, int col, int row,
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const char *text)
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{
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int matched, percent;
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gboolean empty = TRUE;
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const char *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 ((unsigned char) *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 (GtkObjectClass *object_class)
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{
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ECellTextClass *ectc = (ECellTextClass *) object_class;
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parent_class = g_type_class_ref(PARENT_TYPE);
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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 (GtkObject *object)
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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 char *fontname, GtkJustification justify)
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{
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ECellPercent *ecn = g_object_new (E_CELL_PERCENT_TYPE, 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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E_MAKE_TYPE (e_cell_percent, "ECellPercent", ECellPercent,
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e_cell_percent_class_init, e_cell_percent_init, PARENT_TYPE);
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