path: root/e-util/e-print.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* e-print.c - Uniform print setting/dialog routines for Evolution
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * Authors: JP Rosevear <jpr@novell.com>
 *
 * 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.
 */

#include "e-print.h"

#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gconf/gconf-client.h>

#define PRINTING "/apps/evolution/shell/printing"

static void
pack_settings (const gchar *key, const gchar *value, GSList **p_list)
{
    gchar *item;
    item = g_strdup_printf ("%s=%s", key, value);
    *p_list = g_slist_prepend (*p_list, item);
}

static void
unpack_settings (gchar *item, GtkPrintSettings *settings)
{
    gchar *cp, *key, *value;
    cp = strchr (item, '=');
    if (cp == NULL)
        return;
    *cp ++ = '\0';
    key = g_strstrip (item);
    value = g_strstrip (cp);
    gtk_print_settings_set (settings, key, value);
    g_free (item);
}

static GtkPrintSettings *
load_settings (void)
{
    GConfClient *client;
    GtkPrintSettings *settings;
    GSList *list;
    GError *error = NULL;

    client = gconf_client_get_default ();
    settings = gtk_print_settings_new ();

    list = gconf_client_get_list (
        client, PRINTING, GCONF_VALUE_STRING, &error);
    if (error == NULL) {
        g_slist_foreach (list, (GFunc) unpack_settings, settings);
        g_slist_free (list);
    } else {
        g_warning ("%s: %s", G_STRFUNC, error->message);
        g_error_free (error);
    }

    g_object_unref (client);

    return settings;
}

static void
save_settings (GtkPrintSettings *settings)
{
    GConfClient *client;
    GSList *list = NULL;
    GError *error = NULL;

    client = gconf_client_get_default ();

    gtk_print_settings_foreach (
        settings, (GtkPrintSettingsFunc) pack_settings, &list);
    gconf_client_set_list (
        client, PRINTING, GCONF_VALUE_STRING, list, &error);
    if (error != NULL) {
        g_warning ("%s: %s", G_STRFUNC, error->message);
        g_error_free (error);
    }
    g_slist_foreach (list, (GFunc) g_free, NULL);
    g_slist_free (list);

    g_object_unref (client);
}

static GtkPageSetup *
load_page_setup (GtkPrintSettings *settings)
{
    GtkPageSetup *page_setup;
    GtkPaperSize *paper_size;

    page_setup = gtk_page_setup_new ();
    gtk_page_setup_set_orientation (
        page_setup, gtk_print_settings_get_orientation (settings));
    paper_size = gtk_print_settings_get_paper_size (settings);
    if (paper_size != NULL)
        gtk_page_setup_set_paper_size_and_default_margins (
            page_setup, paper_size);

    return page_setup;
}

static void
save_page_setup (GtkPrintSettings *settings, GtkPageSetup *page_setup)
{
    gtk_print_settings_set_orientation (
        settings, gtk_page_setup_get_orientation (page_setup));
    gtk_print_settings_set_paper_size (
        settings, gtk_page_setup_get_paper_size (page_setup));
}

static void
handle_error (GtkPrintOperation *operation)
{
    GtkWidget *dialog;
    GError *error = NULL;

    dialog = gtk_message_dialog_new_with_markup (
        NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
        "<span weight=\"bold\" size=\"larger\">%s</span>",
        _("An error occurred while printing"));

    gtk_print_operation_get_error (operation, &error);

    if (error != NULL && error->message != NULL)
        gtk_message_dialog_format_secondary_text (
            GTK_MESSAGE_DIALOG (dialog), "%s\n\n%s",
            _("The printing system reported the "
            "following details about the error:"),
            error->message);
    else
        gtk_message_dialog_format_secondary_text (
            GTK_MESSAGE_DIALOG (dialog), "%s",
            _("The printing system did not report "
            "any additional details about the error."));

    if (error != NULL)
        g_error_free (error);

    gtk_dialog_run (GTK_DIALOG (dialog));

    gtk_widget_destroy (dialog);
}

static void
print_done_cb (GtkPrintOperation *operation, GtkPrintOperationResult result)
{
    GtkPrintSettings *settings;

    settings = gtk_print_operation_get_print_settings (operation);

    if (result == GTK_PRINT_OPERATION_RESULT_APPLY)
        save_settings (settings);
    if (result == GTK_PRINT_OPERATION_RESULT_ERROR)
        handle_error (operation);
}

GtkPrintOperation *
e_print_operation_new (void)
{
    GtkPrintOperation *operation;
    GtkPrintSettings *settings;

    operation = gtk_print_operation_new ();

    settings = load_settings ();
    gtk_print_operation_set_print_settings (operation, settings);
    g_object_unref (settings);

    g_signal_connect (operation, "done", G_CALLBACK (print_done_cb), NULL);

    return operation;
}

void
e_print_run_page_setup_dialog (GtkWindow *parent)
{
    GtkPageSetup *new_page_setup;
    GtkPageSetup *old_page_setup;
    GtkPrintSettings *settings;

    settings = load_settings ();
    old_page_setup = load_page_setup (settings);
    new_page_setup = gtk_print_run_page_setup_dialog (
        parent, old_page_setup, settings);
    save_page_setup (settings, new_page_setup);
    save_settings (settings);

    g_object_unref (new_page_setup);
    g_object_unref (old_page_setup);
    g_object_unref (settings);
}