Add missing files.

1 files changed, 428 insertions, 0 deletions

diff --git a/widgets/misc/e-charset-combo-box.c b/widgets/misc/e-charset-combo-box.c
new file mode 100644
index 0000000000..9c992ce1f7
--- /dev/null
+++ b/widgets/misc/e-charset-combo-box.c
@@ -0,0 +1,428 @@
+/*
+ * e-charset-combo-box.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#include "e-charset-combo-box.h"
+
+#include <glib/gi18n.h>
+
+#include "e-util/e-charset.h"
+#include "e-util/e-util.h"
+
+#define E_CHARSET_COMBO_BOX_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_CHARSET_COMBO_BOX, ECharsetComboBoxPrivate))
+
+#define DEFAULT_CHARSET "UTF-8"
+#define OTHER_VALUE G_MAXINT
+
+struct _ECharsetComboBoxPrivate {
+	GtkActionGroup *action_group;
+	GtkRadioAction *other_action;
+	GHashTable *charset_index;
+
+	/* Used when the user clicks Cancel in the character set
+	 * dialog. Reverts to the previous combo box setting. */
+	gint previous_index;
+
+	/* When setting the character set programmatically, this
+	 * prevents the custom character set dialog from running. */
+	guint block_dialog : 1;
+};
+
+enum {
+	PROP_0,
+	PROP_CHARSET
+};
+
+static gpointer parent_class;
+
+static void
+charset_combo_box_entry_changed_cb (GtkEntry *entry,
+                                    GtkDialog *dialog)
+{
+	const gchar *text;
+	gboolean sensitive;
+
+	text = gtk_entry_get_text (entry);
+	sensitive = (text != NULL && *text != '\0');
+	gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_OK, sensitive);
+}
+
+static void
+charset_combo_box_run_dialog (ECharsetComboBox *combo_box)
+{
+	GtkDialog *dialog;
+	GtkEntry *entry;
+	GtkWidget *container;
+	GtkWidget *widget;
+	GObject *object;
+	gpointer parent;
+	const gchar *charset;
+
+	/* FIXME Using a dialog for this is lame.  Selecting "Other..."
+	 *       should unlock an entry directly in the Preferences tab.
+	 *       Unfortunately space in Preferences is at a premium right
+	 *       now, but we should revisit this when the space issue is
+	 *       finally resolved. */
+
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (combo_box));
+	parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
+	object = G_OBJECT (combo_box->priv->other_action);
+	charset = g_object_get_data (object, "charset");
+
+	widget = gtk_dialog_new_with_buttons (
+		_("Character Encoding"), parent,
+		GTK_DIALOG_DESTROY_WITH_PARENT,
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+		GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
+
+	/* Load the broken border width defaults so we can override them. */
+	gtk_widget_ensure_style (widget);
+
+	dialog = GTK_DIALOG (widget);
+
+	gtk_dialog_set_has_separator (dialog, FALSE);
+	gtk_dialog_set_default_response (dialog, GTK_RESPONSE_OK);
+
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 12);
+
+	widget = gtk_dialog_get_action_area (dialog);
+	gtk_container_set_border_width (GTK_CONTAINER (widget), 0);
+
+	widget = gtk_dialog_get_content_area (dialog);
+	gtk_box_set_spacing (GTK_BOX (widget), 12);
+	gtk_container_set_border_width (GTK_CONTAINER (widget), 0);
+
+	container = widget;
+
+	widget = gtk_label_new (_("Enter the character set to use"));
+	gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
+	gtk_alignment_set_padding (GTK_ALIGNMENT (widget), 0, 0, 12, 0);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_entry_new ();
+	entry = GTK_ENTRY (widget);
+	gtk_entry_set_activates_default (entry, TRUE);
+	gtk_container_add (GTK_CONTAINER (container), widget);
+	gtk_widget_show (widget);
+
+	g_signal_connect (
+		entry, "changed",
+		G_CALLBACK (charset_combo_box_entry_changed_cb), dialog);
+
+	/* Set the default text -after- connecting the signal handler.
+	 * This will initialize the "OK" button to the proper state. */
+	gtk_entry_set_text (entry, charset);
+
+	if (gtk_dialog_run (dialog) != GTK_RESPONSE_OK) {
+		gint active;
+
+		/* Revert to the previously selected character set. */
+		combo_box->priv->block_dialog = TRUE;
+		active = combo_box->priv->previous_index;
+		gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), active);
+		combo_box->priv->block_dialog = FALSE;
+
+		goto exit;
+	}
+
+	charset = gtk_entry_get_text (entry);
+	g_return_if_fail (charset != NULL && charset != '\0');
+
+	g_object_set_data_full (
+		object, "charset", g_strdup (charset),
+		(GDestroyNotify) g_free);
+
+exit:
+	gtk_widget_destroy (GTK_WIDGET (dialog));
+}
+
+static void
+charset_combo_box_notify_charset_cb (ECharsetComboBox *combo_box)
+{
+	GtkToggleAction *action;
+
+	action = GTK_TOGGLE_ACTION (combo_box->priv->other_action);
+	if (!gtk_toggle_action_get_active (action))
+		return;
+
+	if (combo_box->priv->block_dialog)
+		return;
+
+	/* "Other" action was selected by user. */
+	charset_combo_box_run_dialog (combo_box);
+}
+
+static void
+charset_combo_box_set_property (GObject *object,
+                                guint property_id,
+                                const GValue *value,
+                                GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CHARSET:
+			e_charset_combo_box_set_charset (
+				E_CHARSET_COMBO_BOX (object),
+				g_value_get_string (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+charset_combo_box_get_property (GObject *object,
+                                guint property_id,
+                                GValue *value,
+                                GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CHARSET:
+			g_value_set_string (
+				value, e_charset_combo_box_get_charset (
+				E_CHARSET_COMBO_BOX (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+charset_combo_box_dispose (GObject *object)
+{
+	ECharsetComboBoxPrivate *priv;
+
+	priv = E_CHARSET_COMBO_BOX_GET_PRIVATE (object);
+
+	if (priv->action_group != NULL) {
+		g_object_unref (priv->action_group);
+		priv->action_group = NULL;
+	}
+
+	if (priv->other_action != NULL) {
+		g_object_unref (priv->other_action);
+		priv->other_action = NULL;
+	}
+
+	g_hash_table_remove_all (priv->charset_index);
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+charset_combo_box_finalize (GObject *object)
+{
+	ECharsetComboBoxPrivate *priv;
+
+	priv = E_CHARSET_COMBO_BOX_GET_PRIVATE (object);
+
+	g_hash_table_destroy (priv->charset_index);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+charset_combo_box_changed (GtkComboBox *combo_box)
+{
+	ECharsetComboBoxPrivate *priv;
+
+	priv = E_CHARSET_COMBO_BOX_GET_PRIVATE (combo_box);
+
+	/* Chain up to parent's changed() method. */
+	GTK_COMBO_BOX_CLASS (parent_class)->changed (combo_box);
+
+	/* Notify -before- updating previous index. */
+	g_object_notify (G_OBJECT (combo_box), "charset");
+	priv->previous_index = gtk_combo_box_get_active (combo_box);
+}
+
+static void
+charset_combo_box_class_init (ECharsetComboBoxClass *class)
+{
+	GObjectClass *object_class;
+	GtkComboBoxClass *combo_box_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	g_type_class_add_private (class, sizeof (ECharsetComboBoxPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = charset_combo_box_set_property;
+	object_class->get_property = charset_combo_box_get_property;
+	object_class->dispose = charset_combo_box_dispose;
+	object_class->finalize = charset_combo_box_finalize;
+
+	combo_box_class = GTK_COMBO_BOX_CLASS (class);
+	combo_box_class->changed = charset_combo_box_changed;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_CHARSET,
+		g_param_spec_string (
+			"charset",
+			"Charset",
+			"The selected character set",
+			"UTF-8",
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT));
+}
+
+static void
+charset_combo_box_init (ECharsetComboBox *combo_box)
+{
+	GtkActionGroup *action_group;
+	GtkRadioAction *radio_action;
+	GHashTable *charset_index;
+	GSList *group, *iter;
+
+	action_group = gtk_action_group_new ("charset-combo-box-internal");
+
+	charset_index = g_hash_table_new_full (
+		g_str_hash, g_str_equal,
+		(GDestroyNotify) g_free,
+		(GDestroyNotify) g_object_unref);
+
+	combo_box->priv = E_CHARSET_COMBO_BOX_GET_PRIVATE (combo_box);
+	combo_box->priv->action_group = action_group;
+	combo_box->priv->charset_index = charset_index;
+
+	group = e_charset_add_radio_actions (
+		action_group, "charset-", NULL, NULL, NULL);
+
+	/* Populate the character set index. */
+	for (iter = group; iter != NULL; iter = iter->next) {
+		GObject *object = iter->data;
+		const gchar *charset;
+
+		charset = g_object_get_data (object, "charset");
+		g_return_if_fail (charset != NULL);
+
+		g_hash_table_insert (
+			charset_index, g_strdup (charset),
+			g_object_ref (object));
+	}
+
+	/* Note the "other" action is not included in the index. */
+
+	radio_action = gtk_radio_action_new (
+		"charset-other", _("Other..."), NULL, NULL, OTHER_VALUE);
+
+	g_object_set_data (G_OBJECT (radio_action), "charset", (gpointer) "");
+
+	gtk_radio_action_set_group (radio_action, group);
+	group = gtk_radio_action_get_group (radio_action);
+
+	e_action_combo_box_set_action (
+		E_ACTION_COMBO_BOX (combo_box), radio_action);
+
+	e_action_combo_box_add_separator_after (
+		E_ACTION_COMBO_BOX (combo_box), g_slist_length (group));
+
+	g_signal_connect (
+		combo_box, "notify::charset",
+		G_CALLBACK (charset_combo_box_notify_charset_cb), NULL);
+
+	combo_box->priv->other_action = radio_action;
+}
+
+GType
+e_charset_combo_box_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		static const GTypeInfo type_info = {
+			sizeof (ECharsetComboBoxClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) charset_combo_box_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (ECharsetComboBox),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) charset_combo_box_init,
+			NULL   /* value_table */
+		};
+
+		type = g_type_register_static (
+			E_TYPE_ACTION_COMBO_BOX, "ECharsetComboBox",
+			&type_info, 0);
+	}
+
+	return type;
+}
+
+GtkWidget *
+e_charset_combo_box_new (void)
+{
+	return g_object_new (E_TYPE_CHARSET_COMBO_BOX, NULL);
+}
+
+const gchar *
+e_charset_combo_box_get_charset (ECharsetComboBox *combo_box)
+{
+	GtkRadioAction *radio_action;
+
+	g_return_val_if_fail (E_IS_CHARSET_COMBO_BOX (combo_box), NULL);
+
+	radio_action = combo_box->priv->other_action;
+	radio_action = e_radio_action_get_current_action (radio_action);
+
+	return g_object_get_data (G_OBJECT (radio_action), "charset");
+}
+
+void
+e_charset_combo_box_set_charset (ECharsetComboBox *combo_box,
+                                 const gchar *charset)
+{
+	GHashTable *charset_index;
+	GtkRadioAction *radio_action;
+
+	g_return_if_fail (E_IS_CHARSET_COMBO_BOX (combo_box));
+
+	if (charset == NULL || *charset == '\0')
+		charset = "UTF-8";
+
+	charset_index = combo_box->priv->charset_index;
+	radio_action = g_hash_table_lookup (charset_index, charset);
+
+	if (radio_action == NULL) {
+		radio_action = combo_box->priv->other_action;
+		g_object_set_data_full (
+			G_OBJECT (radio_action),
+			"charset", g_strdup (charset),
+			(GDestroyNotify) g_free);
+	}
+
+	combo_box->priv->block_dialog = TRUE;
+	gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (radio_action), TRUE);
+	combo_box->priv->block_dialog = FALSE;
+}