new widget to enter a timezone.

2001-06-14  Damon Chaplin  <damon@ximian.com>

	* gui/e-timezone-entry.[hc]: new widget to enter a timezone.

	* gui/Makefile.am (evolution_calendar_SOURCES): added the above.
	* gui/Makefile.am (evolution_calendar_LDADD): had to move
	libcal-dialogs.a above libmiscwidgets.a to get it to compile.

svn path=/trunk/; revision=10228

1 files changed, 277 insertions, 0 deletions

diff --git a/calendar/gui/e-timezone-entry.c b/calendar/gui/e-timezone-entry.c
new file mode 100644
index 0000000000..6bf7625c32
--- /dev/null
+++ b/calendar/gui/e-timezone-entry.c
@@ -0,0 +1,277 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * Author :
+ *  Damon Chaplin <damon@ximian.com>
+ *
+ * Copyright 2001, Ximian, Inc.
+ *
+ * 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
+ */
+
+/*
+ * ETimezoneEntry - a field for setting a timezone. It shows the timezone in
+ * a GtkEntry with a '...' button beside it which shows a dialog for changing
+ * the timezone. The dialog contains a map of the world with a point for each
+ * timezone, and an option menu as an alternative way of selecting the
+ * timezone.
+ */
+
+#include <config.h>
+#include <gtk/gtkbutton.h>
+#include <gtk/gtkentry.h>
+#include <gtk/gtksignal.h>
+#include <gnome.h>
+#include "dialogs/e-timezone-dialog.h"
+#include "e-timezone-entry.h"
+
+
+struct _ETimezoneEntryPrivate {
+	GtkWidget *entry;
+	GtkWidget *button;
+
+	CalClient *client;
+};
+
+
+enum {
+  CHANGED,
+  LAST_SIGNAL
+};
+
+
+static void e_timezone_entry_class_init	(ETimezoneEntryClass	*class);
+static void e_timezone_entry_init	(ETimezoneEntry	*tentry);
+static void e_timezone_entry_destroy	(GtkObject	*object);
+
+static void on_entry_changed		(GtkEntry	*entry,
+					 ETimezoneEntry *tentry);
+static void on_button_clicked		(GtkWidget	*widget,
+					 ETimezoneEntry	*tentry);
+
+
+static GtkHBoxClass *parent_class;
+static guint timezone_entry_signals[LAST_SIGNAL] = { 0 };
+
+
+/**
+ * e_timezone_entry_get_type:
+ *
+ * Returns the GtkType for the ETimezoneEntry widget
+ */
+guint
+e_timezone_entry_get_type		(void)
+{
+	static guint timezone_entry_type = 0;
+
+	if (!timezone_entry_type){
+		GtkTypeInfo timezone_entry_info = {
+			"ETimezoneEntry",
+			sizeof (ETimezoneEntry),
+			sizeof (ETimezoneEntryClass),
+			(GtkClassInitFunc) e_timezone_entry_class_init,
+			(GtkObjectInitFunc) e_timezone_entry_init,
+			NULL,
+			NULL,
+		};
+
+		timezone_entry_type = gtk_type_unique (gtk_hbox_get_type (), &timezone_entry_info);
+	}
+	
+	return timezone_entry_type;
+}
+
+
+static void
+e_timezone_entry_class_init		(ETimezoneEntryClass	*class)
+{
+	GtkObjectClass *object_class = (GtkObjectClass *) class;
+
+	object_class = (GtkObjectClass*) class;
+
+	parent_class = gtk_type_class (gtk_hbox_get_type ());
+
+	timezone_entry_signals[CHANGED] =
+		gtk_signal_new ("changed",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (ETimezoneEntryClass,
+						   changed),
+				gtk_marshal_NONE__NONE,
+				GTK_TYPE_NONE, 0);
+
+	gtk_object_class_add_signals (object_class, timezone_entry_signals,
+				      LAST_SIGNAL);
+
+	object_class->destroy		= e_timezone_entry_destroy;
+
+	class->changed = NULL;
+}
+
+
+static void
+e_timezone_entry_init		(ETimezoneEntry	*tentry)
+{
+	ETimezoneEntryPrivate *priv;
+
+	tentry->priv = priv = g_new0 (ETimezoneEntryPrivate, 1);
+
+	priv->entry  = gtk_entry_new ();
+	gtk_entry_set_editable (GTK_ENTRY (priv->entry), FALSE);
+	/*gtk_widget_set_usize (priv->date_entry, 90, 0);*/
+	gtk_box_pack_start (GTK_BOX (tentry), priv->entry, TRUE, TRUE, 0);
+	gtk_widget_show (priv->entry);
+	gtk_signal_connect (GTK_OBJECT (priv->entry), "changed",
+			    GTK_SIGNAL_FUNC (on_entry_changed), tentry);
+	
+	priv->button = gtk_button_new_with_label ("...");
+	gtk_signal_connect (GTK_OBJECT (priv->button), "clicked",
+			    GTK_SIGNAL_FUNC (on_button_clicked), tentry);
+	gtk_box_pack_start (GTK_BOX (tentry), priv->button, FALSE, FALSE, 0);
+	gtk_widget_show (priv->button);
+}
+
+
+/**
+ * e_timezone_entry_new:
+ *
+ * Description: Creates a new #ETimezoneEntry widget which can be used
+ * to provide an easy to use way for entering dates and times.
+ * 
+ * Returns: a new #ETimezoneEntry widget.
+ */
+GtkWidget *
+e_timezone_entry_new			(void)
+{
+	ETimezoneEntry *tentry;
+
+	tentry = gtk_type_new (e_timezone_entry_get_type ());
+
+	return GTK_WIDGET (tentry);
+}
+
+
+static void
+e_timezone_entry_destroy		(GtkObject	*object)
+{
+	ETimezoneEntry *tentry;
+	ETimezoneEntryPrivate *priv;
+
+	g_return_if_fail (E_IS_TIMEZONE_ENTRY (object));
+
+	tentry = E_TIMEZONE_ENTRY (object);
+	priv = tentry->priv;
+
+	if (priv->client) {
+		gtk_object_unref (GTK_OBJECT (priv->client));
+		priv->client = NULL;
+	}
+
+	g_free (tentry->priv);
+	tentry->priv = NULL;
+
+	if (GTK_OBJECT_CLASS (parent_class)->destroy)
+		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+/* The arrow button beside the date field has been clicked, so we show the
+   popup with the ECalendar in. */
+static void
+on_button_clicked		(GtkWidget	*widget,
+				 ETimezoneEntry	*tentry)
+{
+	ETimezoneEntryPrivate *priv;
+	ETimezoneDialog *timezone_dialog;
+	GtkWidget *dialog;
+	char *zone;
+
+	priv = tentry->priv;
+
+	timezone_dialog = e_timezone_dialog_new ();
+	e_timezone_dialog_set_cal_client (timezone_dialog, priv->client);
+	zone = e_timezone_entry_get_timezone (tentry);
+	e_timezone_dialog_set_timezone (timezone_dialog, zone);
+
+	dialog = e_timezone_dialog_get_toplevel (timezone_dialog);
+
+	if (gnome_dialog_run_and_close (GNOME_DIALOG (dialog)) == 0) {
+		zone = e_timezone_dialog_get_timezone (E_TIMEZONE_DIALOG (timezone_dialog));
+		e_timezone_entry_set_timezone (tentry, zone);
+	}
+
+	gtk_object_unref (GTK_OBJECT (timezone_dialog));
+}
+
+
+/**
+ * e_timezone_entry_set_cal_client:
+ * @tentry: An #ETimezoneEntry.
+ * @client: Calendar client.
+ *
+ * Sets the calendar client that the timezone entry uses to get the timezone
+ * information.
+ **/
+void
+e_timezone_entry_set_cal_client (ETimezoneEntry *tentry, CalClient *client)
+{
+	ETimezoneEntryPrivate *priv;
+
+	g_return_if_fail (tentry != NULL);
+	g_return_if_fail (E_IS_TIMEZONE_ENTRY (tentry));
+
+	priv = tentry->priv;
+
+	if (client == priv->client)
+		return;
+
+	if (client) {
+		g_return_if_fail (IS_CAL_CLIENT (client));
+		gtk_object_ref (GTK_OBJECT (client));
+	}
+
+	if (priv->client)
+		gtk_object_unref (GTK_OBJECT (priv->client));
+
+	priv->client = client;
+}
+
+
+static void
+on_entry_changed			(GtkEntry	*entry,
+					 ETimezoneEntry *tentry)
+{
+	gtk_signal_emit (GTK_OBJECT (tentry), timezone_entry_signals[CHANGED]);
+}
+
+
+char*
+e_timezone_entry_get_timezone		(ETimezoneEntry	*tentry)
+{
+	g_return_val_if_fail (E_IS_TIMEZONE_ENTRY (tentry), NULL);
+
+	return gtk_entry_get_text (GTK_ENTRY (tentry->priv->entry));
+}
+
+
+void
+e_timezone_entry_set_timezone		(ETimezoneEntry	*tentry,
+					 char		*timezone)
+{
+	g_return_if_fail (E_IS_TIMEZONE_ENTRY (tentry));
+
+	gtk_entry_set_text (GTK_ENTRY (tentry->priv->entry), timezone);
+}