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1 /*
2 *
3 * This program is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2 of the License, or (at your option) version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with the program; if not, see <http://www.gnu.org/licenses/>
15 *
16 *
17 * Authors:
18 * JP Rosevear <jpr@novell.com>
19 *
20 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include "e-print.h"
29
30 #include <stdio.h>
31 #include <string.h>
32 #include <gtk/gtk.h>
33 #include <glib/gi18n.h>
34
35 #include "e-util.h"
36
37 /* XXX Would be better if GtkPrint exposed these. */
38 #define PAGE_SETUP_GROUP_NAME "Page Setup"
39 #define PRINT_SETTINGS_GROUP_NAME "Print Settings"
40
41 static gchar *
42 key_file_get_filename (void)
43 {
44 return g_build_filename (e_get_user_data_dir (), "printing.ini", NULL);
45 }
46
47 static void
48 load_key_file (GKeyFile *key_file)
49 {
50 gchar *filename;
51 GError *error = NULL;
52
53 filename = key_file_get_filename ();
54
55 if (!g_file_test (filename, G_FILE_TEST_EXISTS))
56 goto exit;
57
58 g_key_file_load_from_file (
59 key_file, filename, G_KEY_FILE_KEEP_COMMENTS |
60 G_KEY_FILE_KEEP_TRANSLATIONS, &error);
61
62 if (error != NULL) {
63 g_warning ("%s", error->message);
64 g_error_free (error);
65 }
66
67 exit:
68 g_free (filename);
69 }
70
71 static void
72 save_key_file (GKeyFile *key_file)
73 {
74 gchar *contents;
75 gchar *filename;
76 gsize length;
77 GError *error = NULL;
78
79 filename = key_file_get_filename ();
80 contents = g_key_file_to_data (key_file, &length, NULL);
81
82 g_file_set_contents (filename, contents, length, &error);
83
84 if (error != NULL) {
85 g_warning ("%s", error->message);
86 g_error_free (error);
87 }
88
89 g_free (contents);
90 g_free (filename);
91 }
92
93 static GtkPrintSettings *
94 load_settings (GKeyFile *key_file)
95 {
96 GtkPrintSettings *settings;
97 GError *error = NULL;
98
99 settings = gtk_print_settings_new ();
100
101 if (g_key_file_has_group (key_file, PRINT_SETTINGS_GROUP_NAME))
102 gtk_print_settings_load_key_file (
103 settings, key_file, PRINT_SETTINGS_GROUP_NAME, &error);
104
105 if (error != NULL) {
106 g_warning ("%s", error->message);
107 g_error_free (error);
108 }
109
110 return settings;
111 }
112
113 static void
114 save_settings (GtkPrintSettings *settings,
115 GKeyFile *key_file)
116 {
117 /* XXX GtkPrintSettings does not distinguish between settings
118 * that should persist and one-time-only settings, such as
119 * page range or number of copies. All print settings are
120 * persistent by default and we opt out particular keys by
121 * popular demand. */
122
123 gtk_print_settings_unset (settings, GTK_PRINT_SETTINGS_N_COPIES);
124 gtk_print_settings_unset (settings, GTK_PRINT_SETTINGS_PAGE_RANGES);
125 gtk_print_settings_unset (settings, GTK_PRINT_SETTINGS_PAGE_SET);
126 gtk_print_settings_unset (settings, GTK_PRINT_SETTINGS_PRINT_PAGES);
127
128 gtk_print_settings_to_key_file (settings, key_file, NULL);
129 }
130
131 static GtkPageSetup *
132 load_page_setup (GKeyFile *key_file)
133 {
134 GtkPageSetup *page_setup;
135
136 page_setup = gtk_page_setup_new ();
137
138 if (g_key_file_has_group (key_file, PAGE_SETUP_GROUP_NAME))
139 gtk_page_setup_load_key_file (
140 page_setup, key_file, PAGE_SETUP_GROUP_NAME, NULL);
141
142 return page_setup;
143 }
144
145 static void
146 save_page_setup (GtkPageSetup *page_setup,
147 GKeyFile *key_file)
148 {
149 gtk_page_setup_to_key_file (page_setup, key_file, NULL);
150 }
151
152 static void
153 handle_error (GtkPrintOperation *operation)
154 {
155 GtkWidget *dialog;
156 GError *error = NULL;
157
158 dialog = gtk_message_dialog_new_with_markup (
159 NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
160 "<span weight=\"bold\" size=\"larger\">%s</span>",
161 _("An error occurred while printing"));
162
163 gtk_print_operation_get_error (operation, &error);
164
165 if (error != NULL && error->message != NULL)
166 gtk_message_dialog_format_secondary_text (
167 GTK_MESSAGE_DIALOG (dialog), "%s\n\n%s",
168 _("The printing system reported the "
169 "following details about the error:"),
170 error->message);
171 else
172 gtk_message_dialog_format_secondary_text (
173 GTK_MESSAGE_DIALOG (dialog), "%s",
174 _("The printing system did not report "
175 "any additional details about the error."));
176
177 if (error != NULL)
178 g_error_free (error);
179
180 gtk_dialog_run (GTK_DIALOG (dialog));
181
182 gtk_widget_destroy (dialog);
183 }
184
185 static void
186 print_done_cb (GtkPrintOperation *operation,
187 GtkPrintOperationResult result,
188 GKeyFile *key_file)
189 {
190 GtkPrintSettings *settings;
191
192 settings = gtk_print_operation_get_print_settings (operation);
193
194 if (result == GTK_PRINT_OPERATION_RESULT_APPLY)
195 save_settings (settings, key_file);
196 if (result == GTK_PRINT_OPERATION_RESULT_ERROR)
197 handle_error (operation);
198
199 save_key_file (key_file);
200 g_key_file_free (key_file);
201 }
202
203 GtkPrintOperation *
204 e_print_operation_new (void)
205 {
206 GtkPrintOperation *operation;
207 GtkPrintSettings *settings;
208 GtkPageSetup *page_setup;
209 GKeyFile *key_file;
210
211 operation = gtk_print_operation_new ();
212
213 key_file = g_key_file_new ();
214 load_key_file (key_file);
215
216 settings = load_settings (key_file);
217 gtk_print_operation_set_print_settings (operation, settings);
218 g_object_unref (settings);
219
220 page_setup = load_page_setup (key_file);
221 gtk_print_operation_set_default_page_setup (operation, page_setup);
222 g_object_unref (page_setup);
223
224 g_signal_connect (
225 operation, "done",
226 G_CALLBACK (print_done_cb), key_file);
227
228 return operation;
229 }
230
231 void
232 e_print_run_page_setup_dialog (GtkWindow *parent)
233 {
234 GtkPageSetup *new_page_setup;
235 GtkPageSetup *old_page_setup;
236 GtkPrintSettings *settings;
237 GKeyFile *key_file;
238
239 key_file = g_key_file_new ();
240 load_key_file (key_file);
241
242 settings = load_settings (key_file);
243 old_page_setup = load_page_setup (key_file);
244 new_page_setup = gtk_print_run_page_setup_dialog (
245 parent, old_page_setup, settings);
246 save_page_setup (new_page_setup, key_file);
247 save_settings (settings, key_file);
248
249 g_object_unref (new_page_setup);
250 g_object_unref (old_page_setup);
251 g_object_unref (settings);
252
253 save_key_file (key_file);
254 g_key_file_free (key_file);
255 }