initial implementation of new printing using GtkPrintOperation.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@1337 ee746299-78ed-0310-b773-934348b2243d

1 files changed, 201 insertions, 0 deletions

diff --git a/src/printing.c b/src/printing.c
new file mode 100644
index 00000000..591055a6
--- /dev/null
+++ b/src/printing.c
@@ -0,0 +1,201 @@
+/*
+ * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2006 Hiroyuki Yamamoto
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "defs.h"
+#include "printing.h"
+
+#if GTK_CHECK_VERSION(2, 10, 0)
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtkprintoperation.h>
+
+#include <stdio.h>
+
+#include "mainwindow.h"
+#include "procmsg.h"
+#include "procheader.h"
+#include "prefs_common.h"
+
+typedef struct
+{
+	GSList *mlist;
+	gboolean all_headers;
+} PrintData;
+
+static void begin_print(GtkPrintOperation *operation, GtkPrintContext *context,
+			gpointer data)
+{
+	PrintData *print_data = data;
+
+	debug_print("begin_print\n");
+	/* count pages */
+	gtk_print_operation_set_n_pages(operation, 1);
+}
+
+static void draw_page(GtkPrintOperation *operation, GtkPrintContext *context,
+		      gint page_nr, gpointer data)
+{
+	cairo_t *cr;
+	PangoLayout *layout;
+	gdouble width, text_height;
+	gdouble font_size = 12.0;
+	gint layout_w, layout_h;
+	PangoFontDescription *desc;
+	PrintData *print_data = data;
+	MsgInfo *msginfo;
+	FILE *fp;
+	GPtrArray *headers;
+	GString *str;
+	gint i;
+	gchar buf[BUFFSIZE];
+
+	debug_print("draw_page: %d\n", page_nr);
+
+	msginfo = (MsgInfo *)print_data->mlist->data;
+	g_return_if_fail(msginfo != NULL);
+
+	if ((fp = procmsg_open_message(msginfo)) == NULL)
+		return;
+
+	if (print_data->all_headers)
+		headers = procheader_get_header_array_asis(fp, NULL);
+	else
+		headers = procheader_get_header_array_for_display(fp, NULL);
+
+	fclose(fp);
+
+	cr = gtk_print_context_get_cairo_context(context);
+	width = gtk_print_context_get_width(context);
+
+#if 0
+	cairo_set_source_rgb(cr, 0.8, 0.8, 0.8);
+	cairo_rectangle(cr, 0, 0, width, font_size * 5);
+	cairo_fill(cr);
+#endif
+
+	cairo_set_source_rgb(cr, 0, 0, 0);
+
+	layout = gtk_print_context_create_pango_layout(context);
+
+	//desc = pango_font_description_from_string(prefs_common.textfont);
+	desc = gtkut_get_default_font_desc();
+	pango_font_description_set_size(desc, font_size * PANGO_SCALE);
+	pango_layout_set_font_description(layout, desc);
+	pango_font_description_free(desc);
+
+	cairo_move_to(cr, 0, 0);
+
+	str = g_string_new(NULL);
+
+	for (i = 0; i < headers->len; i++) {
+		Header *hdr;
+		gchar *text;
+		const gchar *body;
+
+		hdr = g_ptr_array_index(headers, i);
+
+		if (!g_ascii_strcasecmp(hdr->name, "Subject"))
+			body = msginfo->subject;
+		else if (!g_ascii_strcasecmp(hdr->name, "From"))
+			body = msginfo->from;
+		else if (!g_ascii_strcasecmp(hdr->name, "To"))
+			body = msginfo->to;
+		else if (!g_ascii_strcasecmp(hdr->name, "Cc")) {
+			unfold_line(hdr->body);
+			body = hdr->body;
+			while (g_ascii_isspace(*body))
+				body++;
+		} else {
+			body = hdr->body;
+			while (g_ascii_isspace(*body))
+				body++;
+		}
+
+		text = g_markup_printf_escaped("<b>%s:</b> %s\n",
+					       hdr->name, body);
+		g_string_append(str, text);
+	}
+
+	procheader_header_array_destroy(headers);
+
+	pango_layout_set_markup(layout, str->str, -1);
+	g_string_free(str, TRUE);
+	pango_cairo_show_layout(cr, layout);
+	pango_layout_get_size(layout, &layout_w, &layout_h);
+	cairo_rel_move_to(cr, 0, (double)layout_h / PANGO_SCALE);
+
+	if ((fp = procmime_get_first_text_content(msginfo, NULL)) == NULL) {
+		g_warning("Can't get text part\n");
+		g_object_unref(layout);
+		return;
+	}
+
+	pango_layout_set_attributes(layout, NULL);
+	desc = pango_font_description_from_string(prefs_common_get()->textfont);
+	pango_font_description_set_size(desc, font_size * PANGO_SCALE);
+	pango_layout_set_font_description(layout, desc);
+	pango_font_description_free(desc);
+
+	while (fgets(buf, sizeof(buf), fp) != NULL) {
+		pango_layout_set_text(layout, buf, -1);
+		pango_cairo_show_layout(cr, layout);
+		cairo_rel_move_to(cr, 0, font_size);
+	}
+
+	fclose(fp);
+
+	g_object_unref(layout);
+}
+
+gint printing_print_messages(GSList *mlist, gboolean all_headers)
+{
+	GtkPrintOperation *op;
+	GtkPrintOperationResult res;
+	PrintData *print_data;
+
+	debug_print("printing start\n");
+
+	print_data = g_new0(PrintData, 1);
+	print_data->mlist = mlist;
+	print_data->all_headers = all_headers;
+
+	op = gtk_print_operation_new();
+
+	g_signal_connect(op, "begin-print", G_CALLBACK(begin_print),
+			 print_data);
+	g_signal_connect(op, "draw-page", G_CALLBACK(draw_page), print_data);
+
+	gtk_print_operation_set_unit(op, GTK_UNIT_POINTS);
+
+	res = gtk_print_operation_run
+		(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+		 GTK_WINDOW(main_window_get()->window), NULL);
+
+	g_object_unref(op);
+
+	g_free(print_data);
+
+	debug_print("printing finished\n");
+}
+
+#endif