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-rw-r--r--calendar/gui/e-cal-component-memo-preview.c374
1 files changed, 374 insertions, 0 deletions
diff --git a/calendar/gui/e-cal-component-memo-preview.c b/calendar/gui/e-cal-component-memo-preview.c
new file mode 100644
index 0000000000..4210f40a4c
--- /dev/null
+++ b/calendar/gui/e-cal-component-memo-preview.c
@@ -0,0 +1,374 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-tasks.c
+ *
+ * Copyright (C) 2001-2003 Ximian, Inc.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Federico Mena Quintero <federico@ximian.com>
+ * Damon Chaplin <damon@ximian.com>
+ * Rodrigo Moya <rodrigo@ximian.com>
+ * Nathan Owens <pianocomp81@yahoo.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gnome.h>
+#include <gtk/gtk.h>
+#include <libgnomevfs/gnome-vfs-ops.h>
+#include <libecal/e-cal-time-util.h>
+#include <libedataserver/e-categories.h>
+#include <gtkhtml/gtkhtml.h>
+#include <gtkhtml/gtkhtml-stream.h>
+#include <e-util/e-time-utils.h>
+#include <e-util/e-categories-config.h>
+#include "calendar-config.h"
+#include "e-cal-component-memo-preview.h"
+
+struct _ECalComponentMemoPreviewPrivate {
+ GtkWidget *html;
+
+ icaltimezone *zone;
+};
+
+G_DEFINE_TYPE (ECalComponentMemoPreview, e_cal_component_memo_preview, GTK_TYPE_TABLE);
+
+
+static void
+on_link_clicked (GtkHTML *html, const char *url, gpointer data)
+{
+ GError *err = NULL;
+
+ gnome_url_show (url, &err);
+
+ if (err) {
+ g_warning ("gnome_url_show: %s", err->message);
+ g_error_free (err);
+ }
+}
+
+static void
+on_url_cb (GtkHTML *html, const char *url, gpointer data)
+{
+#if 0
+ char *msg;
+ ECalComponentMemoPreview *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
+}
+
+/* Callback used when the user selects a URL in the HTML widget */
+static void
+url_requested_cb (GtkHTML *html, const char *url, GtkHTMLStream *stream, gpointer data)
+{
+ if (!strncmp ("file:///", url, strlen ("file:///"))) {
+ GnomeVFSHandle *handle;
+ GnomeVFSResult result;
+ char buffer[4096];
+
+ if (gnome_vfs_open (&handle, url, GNOME_VFS_OPEN_READ) == GNOME_VFS_OK) {
+ do {
+ GnomeVFSFileSize bread;
+
+ result = gnome_vfs_read (handle, buffer, sizeof (buffer), &bread);
+ if (result == GNOME_VFS_OK)
+ gtk_html_stream_write (stream, buffer, bread);
+ } while (result == GNOME_VFS_OK);
+
+ gnome_vfs_close (handle);
+ }
+ }
+}
+
+/* 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
+write_html (GtkHTMLStream *stream, ECal *ecal, ECalComponent *comp, icaltimezone *default_zone)
+{
+ ECalComponentText text;
+ ECalComponentDateTime dt;
+ gchar *str;
+ GSList *l;
+ icalproperty_status status;
+ const char *location;
+ int *priority_value;
+ gboolean one_added = FALSE;
+
+ g_return_if_fail (E_IS_CAL_COMPONENT (comp));
+
+ gtk_html_stream_printf (stream,
+ "<HTML><BODY>");
+
+ /* write icons for the categories */
+ e_cal_component_get_categories_list (comp, &l);
+ if (l) {
+ GSList *node;
+ GString *str = g_string_new ("");
+
+
+ gtk_html_stream_printf(stream, "<H3>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)) {
+ gtk_html_stream_printf (stream, "<IMG ALT=\"%s\" SRC=\"file://%s\">",
+ (const char *) node->data, icon_file);
+ one_added = TRUE;
+ }
+ else{
+ if(one_added == FALSE){
+ g_string_append_printf (str, "%s", (const char *) node->data);
+ one_added = TRUE;
+ }
+ else{
+ g_string_append_printf (str, ", %s", (const char *) node->data);
+ }
+ }
+ }
+
+ gtk_html_stream_printf(stream, str->str);
+
+ 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 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>", _("Memo:"));
+
+ gtk_html_stream_printf (stream, "<TD>");
+
+ for (node = l; node != NULL; node = node->next) {
+ gint i, j;
+ GString *str = g_string_new ("");
+
+ text = * (ECalComponentText *) node->data;
+ for (i = 0, j=0; i < strlen (text.value ? text.value : 0); i++, j++) {
+ if (text.value[i] == '\n'){
+ str = g_string_append (str, "<BR>");
+ }
+ else if (text.value[i] == '<')
+ str = g_string_append (str, "&lt;");
+ else if (text.value[i] == '>')
+ str = g_string_append (str, "&gt;");
+ else
+ str = g_string_append_c (str, text.value[i]);
+ }
+
+ gtk_html_stream_printf (stream, str->str);
+ g_string_free (str, TRUE);
+ }
+
+ gtk_html_stream_printf (stream, "</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
+e_cal_component_memo_preview_init (ECalComponentMemoPreview *preview)
+{
+ ECalComponentMemoPreviewPrivate *priv;
+ GtkWidget *scroll;
+
+ priv = g_new0 (ECalComponentMemoPreviewPrivate, 1);
+ preview->priv = priv;
+
+ priv->html = gtk_html_new ();
+ gtk_html_set_default_content_type (GTK_HTML (priv->html), "charset=utf-8");
+ gtk_html_load_empty (GTK_HTML (priv->html));
+
+ g_signal_connect (G_OBJECT (priv->html), "url_requested",
+ G_CALLBACK (url_requested_cb), NULL);
+ g_signal_connect (G_OBJECT (priv->html), "link_clicked",
+ G_CALLBACK (on_link_clicked), preview);
+ g_signal_connect (G_OBJECT (priv->html), "on_url",
+ G_CALLBACK (on_url_cb), preview);
+
+ scroll = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_IN);
+
+ gtk_container_add (GTK_CONTAINER (scroll), priv->html);
+ gtk_container_add (GTK_CONTAINER (preview), scroll);
+ gtk_widget_show_all (scroll);
+
+ priv->zone = icaltimezone_get_utc_timezone ();
+}
+
+static void
+e_cal_component_memo_preview_destroy (GtkObject *object)
+{
+ ECalComponentMemoPreview *preview;
+ ECalComponentMemoPreviewPrivate *priv;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (E_IS_CAL_COMPONENT_MEMO_PREVIEW (object));
+
+ preview = E_CAL_COMPONENT_MEMO_PREVIEW (object);
+ priv = preview->priv;
+
+ if (priv) {
+
+ g_free (priv);
+ preview->priv = NULL;
+ }
+
+ if (GTK_OBJECT_CLASS (e_cal_component_memo_preview_parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (e_cal_component_memo_preview_parent_class)->destroy) (object);
+}
+
+static void
+e_cal_component_memo_preview_class_init (ECalComponentMemoPreviewClass *klass)
+{
+ GtkObjectClass *object_class;
+
+ object_class = (GtkObjectClass *) klass;
+
+ object_class->destroy = e_cal_component_memo_preview_destroy;
+}
+
+GtkWidget *
+e_cal_component_memo_preview_new (void)
+{
+ ECalComponentMemoPreview *preview;
+
+ preview = g_object_new (e_cal_component_memo_preview_get_type (), NULL);
+
+ return GTK_WIDGET (preview);
+}
+
+icaltimezone *
+e_cal_component_memo_preview_get_default_timezone (ECalComponentMemoPreview *preview)
+{
+ ECalComponentMemoPreviewPrivate *priv;
+
+ g_return_val_if_fail (preview != NULL, NULL);
+ g_return_val_if_fail (E_IS_CAL_COMPONENT_MEMO_PREVIEW (preview), NULL);
+
+ priv = preview->priv;
+
+ return priv->zone;
+}
+
+void
+e_cal_component_memo_preview_set_default_timezone (ECalComponentMemoPreview *preview, icaltimezone *zone)
+{
+ ECalComponentMemoPreviewPrivate *priv;
+
+ g_return_if_fail (preview != NULL);
+ g_return_if_fail (E_IS_CAL_COMPONENT_MEMO_PREVIEW (preview));
+ g_return_if_fail (zone != NULL);
+
+ priv = preview->priv;
+
+ priv->zone = zone;
+}
+
+void
+e_cal_component_memo_preview_display (ECalComponentMemoPreview *preview, ECal *ecal, ECalComponent *comp)
+{
+ ECalComponentMemoPreviewPrivate *priv;
+ GtkHTMLStream *stream;
+
+ g_return_if_fail (preview != NULL);
+ g_return_if_fail (E_IS_CAL_COMPONENT_MEMO_PREVIEW (preview));
+ g_return_if_fail (comp != NULL);
+ g_return_if_fail (E_IS_CAL_COMPONENT (comp));
+
+ priv = preview->priv;
+
+ stream = gtk_html_begin (GTK_HTML (priv->html));
+ write_html (stream, ecal, comp, priv->zone);
+ gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
+}
+
+void
+e_cal_component_memo_preview_clear (ECalComponentMemoPreview *preview)
+{
+ ECalComponentMemoPreviewPrivate *priv;
+
+ g_return_if_fail (preview != NULL);
+ g_return_if_fail (E_IS_CAL_COMPONENT_MEMO_PREVIEW (preview));
+
+ priv = preview->priv;
+
+ gtk_html_load_empty (GTK_HTML (priv->html));
+}
+
generated by cgit (git 2.34.1) at 2024-11-14 01:33:22 +0800