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-rw-r--r--calendar/gui/e-memo-preview.c356
1 files changed, 356 insertions, 0 deletions
diff --git a/calendar/gui/e-memo-preview.c b/calendar/gui/e-memo-preview.c
new file mode 100644
index 0000000000..f5b725c02f
--- /dev/null
+++ b/calendar/gui/e-memo-preview.c
@@ -0,0 +1,356 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-tasks.c
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.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.
+ *
+ * Authors: Federico Mena Quintero <federico@ximian.com>
+ * Damon Chaplin <damon@ximian.com>
+ * Rodrigo Moya <rodrigo@ximian.com>
+ * Nathan Owens <pianocomp81@yahoo.com>
+ */
+
+#include "e-memo-preview.h"
+
+#include <string.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <libecal/e-cal-time-util.h>
+#include <libedataserver/e-categories.h>
+#include <gtkhtml/gtkhtml-stream.h>
+#include <libedataserver/e-time-utils.h>
+#include <e-util/e-categories-config.h>
+#include "calendar-config.h"
+#include "e-cal-component-preview.h"
+#include <camel/camel-mime-filter-tohtml.h>
+
+#define E_MEMO_PREVIEW_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_MEMO_PREVIEW, EMemoPreviewPrivate))
+
+struct _EMemoPreviewPrivate {
+ icaltimezone *zone;
+};
+
+static gpointer parent_class;
+
+static void
+memo_preview_link_clicked (GtkHTML *html,
+ const gchar *url)
+{
+ GdkScreen *screen;
+ GError *error = NULL;
+
+ screen = gtk_widget_get_screen (GTK_WIDGET (html));
+ gtk_show_uri (screen, url, GDK_CURRENT_TIME, &error);
+
+ if (error != NULL) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+memo_preview_on_url (GtkHTML *html,
+ const gchar *url)
+{
+#if 0
+ char *msg;
+ EMemoPreview *preview = data;
+
+ if (url && *url) {
+ msg = g_strdup_printf (_("Click to open %s"), url);
+ e_calendar_table_set_status_message (e_tasks_get_calendar_table (tasks), msg);
+ g_free (msg);
+ } else
+ e_calendar_table_set_status_message (e_tasks_get_calendar_table (tasks), NULL);
+#endif
+}
+
+/* Converts a time_t to a string, relative to the specified timezone */
+static char *
+timet_to_str_with_zone (ECalComponentDateTime *dt,
+ ECal *ecal,
+ icaltimezone *default_zone)
+{
+ struct icaltimetype itt;
+ icaltimezone *zone;
+ struct tm tm;
+ char buf[256];
+
+ if (dt->tzid) {
+ /* If we can't find the zone, we'll guess its "local" */
+ if (!e_cal_get_timezone (ecal, dt->tzid, &zone, NULL))
+ zone = NULL;
+ } else if (dt->value->is_utc) {
+ zone = icaltimezone_get_utc_timezone ();
+ } else {
+ zone = NULL;
+ }
+
+
+ itt = *dt->value;
+ if (zone)
+ icaltimezone_convert_time (&itt, zone, default_zone);
+ tm = icaltimetype_to_tm (&itt);
+
+ e_time_format_date_and_time (&tm, calendar_config_get_24_hour_format (),
+ FALSE, FALSE, buf, sizeof (buf));
+
+ return g_locale_to_utf8 (buf, -1, NULL, NULL, NULL);
+}
+
+static void
+memo_preview_write_html (GtkHTMLStream *stream,
+ ECal *ecal,
+ ECalComponent *comp,
+ icaltimezone *default_zone)
+{
+ ECalComponentText text;
+ ECalComponentDateTime dt;
+ gchar *str;
+ GSList *l;
+ gboolean one_added = FALSE;
+
+ g_return_if_fail (E_IS_CAL_COMPONENT (comp));
+
+ /* write document header */
+ e_cal_component_get_summary (comp, &text);
+
+ if (text.value)
+ gtk_html_stream_printf (stream,
+ "<HTML><BODY><H1>%s</H1>",
+ text.value);
+ else
+ gtk_html_stream_printf (stream,
+ "<HTML><BODY><H1><I>%s</I></H1>",
+ _("Untitled"));
+
+ /* write icons for the categories */
+ e_cal_component_get_categories_list (comp, &l);
+ if (l) {
+ GSList *node;
+ GString *string = g_string_new (NULL);
+
+
+ gtk_html_stream_printf(stream, "<H3>%s: ", _("Categories"));
+
+ for (node = l; node != NULL; node = node->next) {
+ const char *icon_file;
+
+ icon_file = e_categories_get_icon_file_for ((const char *) node->data);
+ if (icon_file && g_file_test(icon_file, G_FILE_TEST_EXISTS)) {
+ gchar *icon_file_uri = g_filename_to_uri (icon_file, NULL, NULL);
+ gtk_html_stream_printf (stream, "<IMG ALT=\"%s\" SRC=\"%s\">",
+ (const char *) node->data, icon_file_uri);
+ g_free (icon_file_uri);
+ one_added = TRUE;
+ }
+ else{
+ if(one_added == FALSE){
+ g_string_append_printf (string, "%s", (const char *) node->data);
+ one_added = TRUE;
+ }
+ else{
+ g_string_append_printf (string, ", %s", (const char *) node->data);
+ }
+ }
+ }
+
+ if (string->len > 0)
+ gtk_html_stream_printf(stream, "%s", string->str);
+
+ g_string_free (string, TRUE);
+
+ gtk_html_stream_printf(stream, "</H3>");
+
+ e_cal_component_free_categories_list (l);
+ }
+
+ /* Start table */
+ gtk_html_stream_printf (stream, "<TABLE BORDER=\"0\" WIDTH=\"80%%\">"
+ "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\" WIDTH=\"15%%\"></TD></TR>");
+
+ /* write start date */
+ e_cal_component_get_dtstart (comp, &dt);
+ if (dt.value != NULL) {
+ str = timet_to_str_with_zone (&dt, ecal, default_zone);
+ gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD><TD>%s</TD></TR>",
+ _("Start Date:"), str);
+
+ g_free (str);
+ }
+ e_cal_component_free_datetime (&dt);
+
+ /* write description and URL */
+ gtk_html_stream_printf (stream, "<TR><TD COLSPAN=\"2\"><HR></TD></TR>");
+
+ e_cal_component_get_description_list (comp, &l);
+ if (l) {
+ GSList *node;
+
+ gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Description:"));
+
+ gtk_html_stream_printf (stream, "<TD><TT>");
+
+ for (node = l; node != NULL; node = node->next) {
+ char *html;
+
+ text = * (ECalComponentText *) node->data;
+ html = camel_text_to_html (text.value ? text.value : "", CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES | CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES, 0);
+
+ if (html)
+ gtk_html_stream_printf (stream, "%s", html);
+
+ g_free (html);
+ }
+
+ gtk_html_stream_printf (stream, "</TT></TD></TR>");
+
+ e_cal_component_free_text_list (l);
+ }
+
+ /* URL */
+ e_cal_component_get_url (comp, (const char **) &str);
+ if (str) {
+ gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Web Page:"));
+ gtk_html_stream_printf (stream, "<TD><A HREF=\"%s\">%s</A></TD></TR>", str, str);
+ }
+
+ gtk_html_stream_printf (stream, "</TABLE>");
+
+ /* close document */
+ gtk_html_stream_printf (stream, "</BODY></HTML>");
+}
+
+static void
+memo_preview_finalize (GObject *object)
+{
+ EMemoPreviewPrivate *priv;
+
+ priv = E_MEMO_PREVIEW_GET_PRIVATE (object);
+
+ /* XXX Nothing to do? */
+
+ /* Chain up to parent's finalize() method. */
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+memo_preview_class_init (EMemoPreviewClass *class)
+{
+ GObjectClass *object_class;
+ GtkHTMLClass *gtkhtml_class;
+
+ parent_class = g_type_class_peek_parent (class);
+ g_type_class_add_private (class, sizeof (EMemoPreviewPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->finalize = memo_preview_finalize;
+
+ gtkhtml_class = GTK_HTML_CLASS (class);
+ gtkhtml_class->link_clicked = memo_preview_link_clicked;
+ gtkhtml_class->on_url = memo_preview_on_url;
+}
+
+static void
+memo_preview_init (EMemoPreview *preview)
+{
+ EMemoPreviewPrivate *priv;
+ GtkHTML *html;
+
+ preview->priv = E_MEMO_PREVIEW_GET_PRIVATE (preview);
+
+ html = GTK_HTML (preview);
+ gtk_html_set_default_content_type (html, "charset=utf-8");
+ gtk_html_load_empty (html);
+
+ priv->zone = icaltimezone_get_utc_timezone ();
+}
+
+GType
+e_memo_preview_get_type (void)
+{
+ static GType type = 0;
+
+ if (G_UNLIKELY (type == 0)) {
+ static const GTypeInfo type_info = {
+ sizeof (EMemoPreviewClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) memo_preview_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL, /* class_data */
+ sizeof (EMemoPreview),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) memo_preview_init,
+ NULL /* value_table */
+ };
+
+ type = g_type_register_static (
+ GTK_TYPE_HTML, "EMemoPreview", &type_info, 0);
+ }
+
+ return type;
+}
+
+GtkWidget *
+e_memo_preview_new (void)
+{
+ return g_object_new (E_TYPE_MEMO_PREVIEW, NULL);
+}
+
+icaltimezone *
+e_memo_preview_get_default_timezone (EMemoPreview *preview)
+{
+ g_return_val_if_fail (E_IS_MEMO_PREVIEW (preview), NULL);
+
+ return preview->priv->zone;
+}
+
+void
+e_memo_preview_set_default_timezone (EMemoPreview *preview,
+ icaltimezone *zone)
+{
+ g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
+ g_return_if_fail (zone != NULL);
+
+ preview->priv->zone = zone;
+}
+
+void
+e_memo_preview_display (EMemoPreview *preview,
+ ECal *ecal,
+ ECalComponent *comp)
+{
+ GtkHTMLStream *stream;
+
+ g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
+ g_return_if_fail (E_IS_CAL_COMPONENT (comp));
+
+ stream = gtk_html_begin (GTK_HTML (preview));
+ memo_preview_write_html (stream, ecal, comp, preview->priv->zone);
+ gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
+}
+
+void
+e_memo_preview_clear (EMemoPreview *preview)
+{
+ g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
+
+ gtk_html_load_empty (GTK_HTML (preview));
+}
+
generated by cgit (git 2.34.1) at 2024-11-18 12:49:08 +0800