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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* example_09.c: sample gnome-print code. This dialog saves the GnomePrintConfig
* to disk after printing and loads it before creating the dialog
* This shows how to implement persistent print configuration.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* as published by the Free Software Foundation; either version 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Authors:
* Chema Celorio <chema@ximian.com>
*
* Copyright (C) 2002 Ximian Inc. and authors
*
*/
/*
* See README
*/
#include <stdio.h>
#include <string.h>
#include <libgnomeprint/gnome-print.h>
#include <gtk/gtk.h>
#include <libgnomeprintui/gnome-print-dialog.h>
#define CONFIG_FILE "print_config"
static GnomePrintConfig *
my_config_load_from_file (void)
{
GnomePrintConfig *config;
FILE *file;
gchar *str;
gint read, allocated;
file = fopen (CONFIG_FILE, "r");
if (!file) {
g_print ("Config not found\n");
return gnome_print_config_default ();
}
#define BLOCK_SIZE 10
read = 0;
allocated = BLOCK_SIZE;
str = g_malloc (allocated);
while (TRUE) {
gint this;
this = fread (str + read, sizeof (gchar), allocated - read, file);
read += this;
if (this < 1)
break;
if ((read + BLOCK_SIZE + 1) > allocated) {
allocated += BLOCK_SIZE;
str = g_realloc (str, allocated);
}
}
str[read]=0;
config = gnome_print_config_from_string (str, 0);
return config;
}
static void
my_config_save_to_file (GnomePrintConfig *config)
{
FILE *file;
gchar *str;
gint bytes;
g_return_if_fail (config);
str = gnome_print_config_to_string (config, 0);
g_assert (str);
file = fopen (CONFIG_FILE, "w");
g_assert (file);
bytes = strlen (str);
str += bytes;
while (bytes > 0)
bytes -= fwrite (str - bytes, sizeof (gchar), bytes < 1024 ? bytes : 1024, file);
fclose (file);
}
static void
my_print (void)
{
GnomePrintConfig *config;
GnomePrintJob *job;
GtkWidget *dialog;
gint response;
config = my_config_load_from_file ();
job = gnome_print_job_new (config);
dialog = gnome_print_dialog_new (job, "Example 09 print dialog", 0);
gtk_widget_show (dialog);
response = gtk_dialog_run (GTK_DIALOG (dialog));
if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL) {
g_print ("Printing was canceled, config not saved\n");
return;
}
g_assert (config);
g_print ("Config saved to \"%s\"\n", CONFIG_FILE);
my_config_save_to_file (config);
g_object_unref (job);
g_object_unref (config);
}
int
main (int argc, char * argv[])
{
gtk_init (&argc, &argv);
my_print ();
g_print ("Done...\n");
return 0;
}
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