/* Evolution calendar - alarm notification dialog
*
* Copyright (C) 2000 Ximian, Inc.
* Copyright (C) 2001 Ximian, Inc.
*
* Author: Federico Mena-Quintero <federico@ximian.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkspinbutton.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkwindow.h>
#include <libgnome/gnome-i18n.h>
#if 0
# include <libgnomeui/gnome-winhints.h>
#endif
#include <libgnomeui/gnome-window-icon.h>
#include <glade/glade.h>
#include <e-util/e-time-utils.h>
#include <gal/widgets/e-unicode.h>
#include <gtkhtml/gtkhtml.h>
#include <gtkhtml/gtkhtml-stream.h>
#include "cal-util/timeutil.h"
#include "alarm-notify-dialog.h"
#include "config-data.h"
GtkWidget *make_html_display (gchar *widget_name, char *s1, char *s2, int scroll, int shadow);
/* The useful contents of the alarm notify dialog */
typedef struct {
GladeXML *xml;
GtkWidget *dialog;
GtkWidget *close;
GtkWidget *snooze;
GtkWidget *edit;
GtkWidget *snooze_time;
GtkWidget *html;
AlarmNotifyFunc func;
gpointer func_data;
} AlarmNotify;
/* Callback used when the notify dialog is destroyed */
static void
dialog_destroy_cb (GtkObject *object, gpointer data)
{
AlarmNotify *an;
an = data;
g_object_unref (an->xml);
g_free (an);
}
/* Delete_event handler for the alarm notify dialog */
static gint
delete_event_cb (GtkWidget *widget, GdkEvent *event, gpointer data)
{
AlarmNotify *an;
an = data;
g_assert (an->func != NULL);
(* an->func) (ALARM_NOTIFY_CLOSE, -1, an->func_data);
gtk_widget_destroy (widget);
return TRUE;
}
/* Callback for the close button */
static void
close_clicked_cb (GtkWidget *widget, gpointer data)
{
AlarmNotify *an;
an = data;
g_assert (an->func != NULL);
(* an->func) (ALARM_NOTIFY_CLOSE, -1, an->func_data);
gtk_widget_destroy (an->dialog);
}
/* Callback for the snooze button */
static void
snooze_clicked_cb (GtkWidget *widget, gpointer data)
{
AlarmNotify *an;
int snooze_time;
an = data;
g_assert (an->func != NULL);
snooze_time = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (an->snooze_time));
(* an->func) (ALARM_NOTIFY_SNOOZE, snooze_time, an->func_data);
gtk_widget_destroy (an->dialog);
}
/* Callback for the edit button */
static void
edit_clicked_cb (GtkWidget *widget, gpointer data)
{
AlarmNotify *an;
an = data;
g_assert (an->func != NULL);
(* an->func) (ALARM_NOTIFY_EDIT, -1, an->func_data);
gtk_widget_destroy (an->dialog);
}
static void
url_requested_cb (GtkHTML *html, const char *url, GtkHTMLStream *stream, gpointer data)
{
if (!strncmp ("file:///", url, strlen ("file:///"))) {
FILE *fp;
const char *filename = url + strlen ("file://");
char buf[4096];
size_t len;
fp = fopen (filename, "r");
if (fp == NULL) {
g_warning ("Error opening image: %s\n", url);
gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
return;
}
while ((len = fread (buf, 1, sizeof(buf), fp)) > 0)
gtk_html_stream_write (stream, buf, len);
if (feof (fp)) {
fclose (fp);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
return;
}
fclose (fp);
}
g_warning ("Error loading image");
gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
return;
}
GtkWidget *
make_html_display (gchar *widget_name, char *s1, char *s2, int scroll, int shadow)
{
GtkWidget *html, *scrolled_window;
gtk_widget_push_colormap (gdk_rgb_get_colormap ());
html = gtk_html_new();
gtk_html_set_default_content_type (GTK_HTML (html),
"charset=utf-8");
gtk_html_load_empty (GTK_HTML (html));
g_signal_connect (html, "url_requested",
G_CALLBACK (url_requested_cb),
NULL);
gtk_widget_pop_colormap();
scrolled_window = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
gtk_widget_set_size_request (scrolled_window, 300, 200);
gtk_container_add(GTK_CONTAINER (scrolled_window), html);
gtk_widget_show_all(scrolled_window);
g_object_set_data (G_OBJECT (scrolled_window), "html", html);
return scrolled_window;
}
static void
write_times (GtkHTMLStream *stream, char *start, char *end)
{
if (start)
gtk_html_stream_printf (stream, "<b>%s</b> %s<br>", _("Starting:"), start);
if (end)
gtk_html_stream_printf (stream, "<b>%s</b> %s<br>", _("Ending:"), end);
}
/* Converts a time_t to a string, relative to the specified timezone */
static char *
timet_to_str_with_zone (time_t t, icaltimezone *zone)
{
struct icaltimetype itt;
struct tm tm;
char buf[256];
if (t == -1)
return g_strdup (_("invalid time"));
itt = icaltime_from_timet_with_zone (t, FALSE, zone);
tm = icaltimetype_to_tm (&itt);
e_time_format_date_and_time (&tm, config_data_get_24_hour_format (),
FALSE, FALSE, buf, sizeof (buf));
return g_strdup (buf);
}
/* Creates a heading for the alarm notification dialog */
static void
write_html_heading (GtkHTMLStream *stream, const char *message,
CalComponentVType vtype, time_t occur_start, time_t occur_end)
{
char *buf;
char *start, *end;
char *bg_path = "file://" EVOLUTION_IMAGESDIR "/bcg.png";
char *image_path = "file://" EVOLUTION_IMAGESDIR "/alarm.png";
icaltimezone *current_zone;
/* Stringize the times */
current_zone = config_data_get_timezone ();
buf = timet_to_str_with_zone (occur_start, current_zone);
start = g_locale_to_utf8 (buf, -1, NULL, NULL, NULL);
g_free (buf);
buf = timet_to_str_with_zone (occur_end, current_zone);
end = g_locale_to_utf8 (buf, -1, NULL, NULL, NULL);
g_free (buf);
/* Write the header */
gtk_html_stream_printf (stream,
"<HTML><BODY background=\"%s\">"
"<TABLE WIDTH=\"100%%\">"
"<TR>"
"<TD><IMG SRC=\"%s\" ALIGN=\"top\" BORDER=\"0\"></TD>"
"<TD><H1>%s</H1></TD>"
"</TR>"
"</TABLE>",
bg_path,
image_path,
_("Evolution Alarm"));
gtk_html_stream_printf (stream, "<br><br><font size=\"+2\">%s</font><br><br>", message);
/* Write the times */
switch (vtype) {
case CAL_COMPONENT_EVENT:
write_times (stream, start, end);
break;
case CAL_COMPONENT_TODO:
write_times (stream, start, end);
break;
default:
/* Only VEVENTs and VTODOs can have alarms */
g_assert_not_reached ();
break;
}
g_free (start);
g_free (end);
}
/**
* alarm_notify_dialog:
* @trigger: Trigger time for the alarm.
* @occur_start: Start of occurrence time for the event.
* @occur_end: End of occurrence time for the event.
* @vtype: Type of the component which corresponds to the alarm.
* @message; Message to display in the dialog; usually comes from the component.
* @func: Function to be called when a dialog action is invoked.
* @func_data: Closure data for @func.
*
* Runs the alarm notification dialog. The specified @func will be used to
* notify the client about result of the actions in the dialog.
*
* Return value: a pointer to the dialog structure if successful or NULL if an error occurs.
**/
gpointer
alarm_notify_dialog (time_t trigger, time_t occur_start, time_t occur_end,
CalComponentVType vtype, const char *message,
AlarmNotifyFunc func, gpointer func_data)
{
AlarmNotify *an;
GtkHTMLStream *stream;
icaltimezone *current_zone;
char *buf, *title;
g_return_val_if_fail (trigger != -1, NULL);
/* Only VEVENTs or VTODOs can have alarms */
g_return_val_if_fail (vtype == CAL_COMPONENT_EVENT || vtype == CAL_COMPONENT_TODO, NULL);
g_return_val_if_fail (message != NULL, NULL);
g_return_val_if_fail (func != NULL, NULL);
an = g_new0 (AlarmNotify, 1);
an->func = func;
an->func_data = func_data;
an->xml = glade_xml_new (EVOLUTION_GLADEDIR "/alarm-notify.glade", NULL, NULL);
if (!an->xml) {
g_message ("alarm_notify_dialog(): Could not load the Glade XML file!");
g_free (an);
return NULL;
}
an->dialog = glade_xml_get_widget (an->xml, "alarm-notify");
an->close = glade_xml_get_widget (an->xml, "close");
an->snooze = glade_xml_get_widget (an->xml, "snooze");
an->edit = glade_xml_get_widget (an->xml, "edit");
an->snooze_time = glade_xml_get_widget (an->xml, "snooze-time");
an->html = g_object_get_data (G_OBJECT (glade_xml_get_widget (an->xml, "frame")), "html");
if (!(an->dialog && an->close && an->snooze && an->edit
&& an->snooze_time)) {
g_message ("alarm_notify_dialog(): Could not find all widgets in Glade file!");
g_object_unref (an->xml);
g_free (an);
return NULL;
}
g_signal_connect (G_OBJECT (an->dialog), "destroy",
G_CALLBACK (dialog_destroy_cb),
an);
/* Title */
current_zone = config_data_get_timezone ();
buf = timet_to_str_with_zone (trigger, current_zone);
title = g_strdup_printf (_("Alarm on %s"), buf);
g_free (buf);
gtk_window_set_title (GTK_WINDOW (an->dialog), title);
g_free (title);
/* html heading */
stream = gtk_html_begin (GTK_HTML (an->html));
write_html_heading (stream, message, vtype, occur_start, occur_end);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
/* Connect actions */
g_signal_connect (an->dialog, "delete_event",
G_CALLBACK (delete_event_cb),
an);
g_signal_connect (an->close, "clicked",
G_CALLBACK (close_clicked_cb),
an);
g_signal_connect (an->snooze, "clicked",
G_CALLBACK (snooze_clicked_cb),
an);
g_signal_connect (an->edit, "clicked",
G_CALLBACK (edit_clicked_cb),
an);
/* Run! */
if (!GTK_WIDGET_REALIZED (an->dialog))
gtk_widget_realize (an->dialog);
gtk_window_stick (GTK_WINDOW (an->dialog));
gtk_window_set_icon_from_file (GTK_WINDOW (an->dialog), EVOLUTION_IMAGESDIR "/alarm.png", NULL);
gtk_widget_show (an->dialog);
return an;
}
void
alarm_notify_dialog_disable_buttons (gpointer dialog)
{
AlarmNotify *an = dialog;
gtk_widget_set_sensitive (an->snooze, FALSE);
gtk_widget_set_sensitive (an->edit, FALSE);
}
