From 43f12b7663328557c87c4d579a21e37e520ebdb3 Mon Sep 17 00:00:00 2001
From: Juerg Billeter <j@bitron.ch>
Date: Tue, 10 May 2005 09:21:02 +0000
Subject: Support printing page range, based on patch by Amaury Jacquot

2005-05-10  Juerg Billeter  <j@bitron.ch>

	* shell/ev-print-job.c: (ev_print_job_use_print_dialog_settings),
	(idle_print_handler)
	* shell/ev-window.c: (ev_window_print):

	Support printing page range, based on patch by Amaury Jacquot
---
(limited to 'shell')

diff --git a/shell/ev-print-job.c b/shell/ev-print-job.c
index 70f92fd..8363639 100644
--- a/shell/ev-print-job.c
+++ b/shell/ev-print-job.c
@@ -50,6 +50,10 @@ struct _EvPrintJob {
 	int copies; /* FIXME unused */
 	int collate; /* FIXME unsued */
 
+	/* range printing */
+	int first_page;
+	int last_page;
+
 	int fd;
 	char *temp_file;
 	guint idle_id;
@@ -215,6 +219,7 @@ void
 ev_print_job_use_print_dialog_settings (EvPrintJob *job, GnomePrintDialog *dialog)
 {
 	GnomePrintConfig *print_config;
+	EvPageCache *page_cache = ev_document_get_page_cache (job->document);
 
 	g_return_if_fail (EV_IS_PRINT_JOB (job));
 	g_return_if_fail (GNOME_IS_PRINT_DIALOG (dialog));
@@ -225,26 +230,42 @@ ev_print_job_use_print_dialog_settings (EvPrintJob *job, GnomePrintDialog *dialo
 					  &job->width, &job->height);
 	gnome_print_config_get_boolean (print_config,
 					(guchar *)GNOME_PRINT_KEY_DUPLEX, &job->duplex);
+
+	page_cache = ev_document_get_page_cache (job->document);
+
+	/* get the printing ranges */
+	switch (gnome_print_dialog_get_range (dialog)) {
+	case GNOME_PRINT_RANGE_ALL:
+		job->first_page = 0;
+		job->last_page = ev_page_cache_get_n_pages (page_cache) - 1;
+		break;
+	case GNOME_PRINT_RANGE_RANGE:
+		gnome_print_dialog_get_range_page (dialog, &job->first_page, &job->last_page);
+		/* convert 1-based user interface to 0-based internal numbers */
+		job->first_page--;
+		job->last_page--;
+		break;
+	default:
+		g_assert_not_reached ();
+	}
+
 	gnome_print_config_unref (print_config);
 }
 
 static gboolean
 idle_print_handler (EvPrintJob *job)
 {
-	EvPageCache *page_cache;
-
 	if (!job->printing) {
 		ev_document_doc_mutex_lock ();
 		ev_ps_exporter_begin (EV_PS_EXPORTER (job->document),
 				      job->temp_file);
 		ev_document_doc_mutex_unlock ();
-		job->next_page = 0;
+		job->next_page = job->first_page;
 		job->printing = TRUE;
 		return TRUE;
 	}
 
-	page_cache = ev_document_get_page_cache (job->document);
-	if (job->next_page < ev_page_cache_get_n_pages (page_cache)) {
+	if (job->next_page <= job->last_page) {
 #if 0
 		g_printerr ("Printing page %d\n", job->next_page);
 #endif
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 8a0ec4e..489c1cc 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -1065,6 +1065,8 @@ ev_window_print (EvWindow *ev_window)
 	GnomePrintConfig *config;
 	GnomePrintJob *job;
 	GtkWidget *print_dialog;
+	EvPageCache *page_cache;
+	gchar *pages_label;
 	EvPrintJob *print_job = NULL;
 
         g_return_if_fail (EV_IS_WINDOW (ev_window));
@@ -1073,9 +1075,21 @@ ev_window_print (EvWindow *ev_window)
 	config = gnome_print_config_default ();
 	job = gnome_print_job_new (config);
 
+	page_cache = ev_document_get_page_cache (ev_window->priv->document);
+
 	print_dialog = gnome_print_dialog_new (job, (guchar *) _("Print"),
 					       (GNOME_PRINT_DIALOG_RANGE |
 						GNOME_PRINT_DIALOG_COPIES));
+
+	pages_label = g_strconcat (_("Pages"), " ", NULL);
+	gnome_print_dialog_construct_range_page (GNOME_PRINT_DIALOG (print_dialog),
+						 GNOME_PRINT_RANGE_ALL |
+						 GNOME_PRINT_RANGE_RANGE,
+						 1,
+						 ev_page_cache_get_n_pages (page_cache),
+						 NULL, (const guchar *)pages_label);
+	g_free (pages_label);
+						 
 	gtk_dialog_set_response_sensitive (GTK_DIALOG (print_dialog),
 					   GNOME_PRINT_DIALOG_RESPONSE_PREVIEW,
 					   FALSE);
--
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