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-rw-r--r--widgets/misc/e-signature-editor.c509
1 files changed, 509 insertions, 0 deletions
diff --git a/widgets/misc/e-signature-editor.c b/widgets/misc/e-signature-editor.c
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+++ b/widgets/misc/e-signature-editor.c
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+/*
+ * e-signature-editor.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-signature-editor.h"
+
+#include <string.h>
+#include <glib/gi18n.h>
+
+#include <e-util/e-error.h>
+#include <e-util/e-signature-utils.h>
+
+#define E_SIGNATURE_EDITOR_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_SIGNATURE_EDITOR, ESignatureEditorPrivate))
+
+enum {
+ PROP_0,
+ PROP_SIGNATURE
+};
+
+struct _ESignatureEditorPrivate {
+ GtkActionGroup *action_group;
+ ESignature *signature;
+ GtkWidget *entry;
+ gchar *original_name;
+};
+
+static const gchar *ui =
+"<ui>\n"
+" <menubar name='main-menu'>\n"
+" <placeholder name='pre-edit-menu'>\n"
+" <menu action='file-menu'>\n"
+" <menuitem action='save-and-close'/>\n"
+" <separator/>"
+" <menuitem action='close'/>\n"
+" </menu>\n"
+" </placeholder>\n"
+" </menubar>\n"
+" <toolbar name='main-toolbar'>\n"
+" <placeholder name='pre-main-toolbar'>\n"
+" <toolitem action='save-and-close'/>\n"
+" </placeholder>\n"
+" </toolbar>\n"
+"</ui>";
+
+static gpointer parent_class = NULL;
+
+static void
+handle_error (GError **error)
+{
+ if (*error != NULL) {
+ g_warning ("%s", (*error)->message);
+ g_clear_error (error);
+ }
+}
+
+static void
+action_close_cb (GtkAction *action,
+ ESignatureEditor *editor)
+{
+ gboolean something_changed = FALSE;
+ const gchar *original_name;
+ const gchar *signature_name;
+
+ original_name = editor->priv->original_name;
+ signature_name = gtk_entry_get_text (GTK_ENTRY (editor->priv->entry));
+
+ something_changed |= gtkhtml_editor_has_undo (GTKHTML_EDITOR (editor));
+ something_changed |= (strcmp (signature_name, original_name) != 0);
+
+ if (something_changed) {
+ gint response;
+
+ response = e_error_run (
+ GTK_WINDOW (editor),
+ "mail:ask-signature-changed", NULL);
+ if (response == GTK_RESPONSE_YES) {
+ GtkActionGroup *action_group;
+
+ action_group = editor->priv->action_group;
+ action = gtk_action_group_get_action (
+ action_group, "save-and-close");
+ gtk_action_activate (action);
+ return;
+ } else if (response == GTK_RESPONSE_CANCEL)
+ return;
+ }
+
+ gtk_widget_destroy (GTK_WIDGET (editor));
+}
+
+static void
+action_save_and_close_cb (GtkAction *action,
+ ESignatureEditor *editor)
+{
+ GtkWidget *entry;
+ ESignatureList *signature_list;
+ ESignature *signature;
+ ESignature *same_name;
+ const gchar *filename;
+ gchar *signature_name;
+ gboolean html;
+ GError *error = NULL;
+
+ entry = editor->priv->entry;
+ html = gtkhtml_editor_get_html_mode (GTKHTML_EDITOR (editor));
+
+ if (editor->priv->signature == NULL) {
+ gchar *new_filename;
+
+ signature = e_signature_new ();
+ e_signature_set_name (signature, _("Unnamed"));
+ e_signature_set_is_script (signature, FALSE);
+ e_signature_set_is_html (signature, html);
+
+ /* FIXME Pass a GError and deal with it. */
+ new_filename = e_create_signature_file (NULL);
+ e_signature_set_filename (signature, new_filename);
+ g_free (new_filename);
+ } else {
+ signature = g_object_ref (editor->priv->signature);
+ e_signature_set_is_html (signature, html);
+ }
+
+ filename = e_signature_get_filename (signature);
+ gtkhtml_editor_save (GTKHTML_EDITOR (editor), filename, html, &error);
+
+ if (error != NULL) {
+ e_error_run (
+ GTK_WINDOW (editor),
+ "mail:no-save-signature",
+ error->message, NULL);
+ g_clear_error (&error);
+ return;
+ }
+
+ signature_list = e_get_signature_list ();
+
+ signature_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
+ g_strstrip (signature_name);
+
+ /* Make sure the signature name is not blank. */
+ if (*signature_name == '\0') {
+ e_error_run (
+ GTK_WINDOW (editor),
+ "mail:blank-signature", NULL);
+ gtk_widget_grab_focus (entry);
+ g_free (signature_name);
+ return;
+ }
+
+ /* Don't overwrite an existing signature of the same name.
+ * XXX ESignatureList misuses const. */
+ same_name = (ESignature *) e_signature_list_find (
+ signature_list, E_SIGNATURE_FIND_NAME, signature_name);
+ if (same_name != NULL && !e_signature_is_equal (signature, same_name)) {
+ e_error_run (
+ GTK_WINDOW (editor),
+ "mail:signature-already-exists",
+ signature_name, NULL);
+ gtk_widget_grab_focus (entry);
+ g_free (signature_name);
+ return;
+ }
+
+ e_signature_set_name (signature, signature_name);
+ g_free (signature_name);
+
+ if (editor->priv->signature != NULL)
+ e_signature_list_change (signature_list, signature);
+ else
+ e_signature_list_add (signature_list, signature);
+ e_signature_list_save (signature_list);
+
+ gtk_widget_destroy (GTK_WIDGET (editor));
+}
+
+static GtkActionEntry entries[] = {
+
+ { "close",
+ GTK_STOCK_CLOSE,
+ N_("_Close"),
+ "<Control>w",
+ NULL,
+ G_CALLBACK (action_close_cb) },
+
+ { "save-and-close",
+ GTK_STOCK_SAVE,
+ N_("_Save and Close"),
+ "<Control>Return",
+ NULL,
+ G_CALLBACK (action_save_and_close_cb) },
+
+ { "file-menu",
+ NULL,
+ N_("_File"),
+ NULL,
+ NULL,
+ NULL }
+};
+
+static gboolean
+signature_editor_delete_event_cb (ESignatureEditor *editor,
+ GdkEvent *event)
+{
+ GtkActionGroup *action_group;
+ GtkAction *action;
+
+ action_group = editor->priv->action_group;
+ action = gtk_action_group_get_action (action_group, "close");
+ gtk_action_activate (action);
+
+ return TRUE;
+}
+
+static void
+signature_editor_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_SIGNATURE:
+ e_signature_editor_set_signature (
+ E_SIGNATURE_EDITOR (object),
+ g_value_get_object (value));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+signature_editor_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_SIGNATURE:
+ g_value_set_object (
+ value, e_signature_editor_get_signature (
+ E_SIGNATURE_EDITOR (object)));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+signature_editor_dispose (GObject *object)
+{
+ ESignatureEditorPrivate *priv;
+
+ priv = E_SIGNATURE_EDITOR_GET_PRIVATE (object);
+
+ if (priv->action_group != NULL) {
+ g_object_unref (priv->action_group);
+ priv->action_group = NULL;
+ }
+
+ if (priv->signature != NULL) {
+ g_object_unref (priv->signature);
+ priv->signature = NULL;
+ }
+
+ if (priv->entry != NULL) {
+ g_object_unref (priv->entry);
+ priv->entry = NULL;
+ }
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+signature_editor_finalize (GObject *object)
+{
+ ESignatureEditorPrivate *priv;
+
+ priv = E_SIGNATURE_EDITOR_GET_PRIVATE (object);
+
+ g_free (priv->original_name);
+
+ /* Chain up to parent's finalize() method. */
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+signature_editor_class_init (ESignatureEditorClass *class)
+{
+ GObjectClass *object_class;
+
+ parent_class = g_type_class_peek_parent (class);
+ g_type_class_add_private (class, sizeof (ESignatureEditorPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->set_property = signature_editor_set_property;
+ object_class->get_property = signature_editor_get_property;
+ object_class->dispose = signature_editor_dispose;
+ object_class->finalize = signature_editor_finalize;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_SIGNATURE,
+ g_param_spec_object (
+ "signature",
+ NULL,
+ NULL,
+ E_TYPE_SIGNATURE,
+ G_PARAM_READWRITE));
+}
+
+static void
+signature_editor_init (ESignatureEditor *editor)
+{
+ GtkActionGroup *action_group;
+ GtkUIManager *ui_manager;
+ GtkWidget *container;
+ GtkWidget *widget;
+ GtkWidget *vbox;
+ GError *error = NULL;
+
+ editor->priv = E_SIGNATURE_EDITOR_GET_PRIVATE (editor);
+ vbox = GTKHTML_EDITOR (editor)->vbox;
+
+ ui_manager = gtkhtml_editor_get_ui_manager (GTKHTML_EDITOR (editor));
+
+ gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error);
+ handle_error (&error);
+
+ action_group = gtk_action_group_new ("signature");
+ gtk_action_group_set_translation_domain (
+ action_group, GETTEXT_PACKAGE);
+ gtk_action_group_add_actions (
+ action_group, entries,
+ G_N_ELEMENTS (entries), editor);
+ gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
+ editor->priv->action_group = g_object_ref (action_group);
+
+ gtk_ui_manager_ensure_update (ui_manager);
+
+ gtk_window_set_title (GTK_WINDOW (editor), _("Edit Signature"));
+
+ widget = gtk_hbox_new (FALSE, 6);
+ gtk_container_set_border_width (GTK_CONTAINER (widget), 6);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+ /* Position 2 should be between the main and style toolbars. */
+ gtk_box_reorder_child (GTK_BOX (vbox), widget, 2);
+ gtk_widget_show (widget);
+ container = widget;
+
+ widget = gtk_entry_new ();
+ gtk_box_pack_end (GTK_BOX (container), widget, TRUE, TRUE, 0);
+ editor->priv->entry = g_object_ref_sink (widget);
+ gtk_widget_show (widget);
+
+ widget = gtk_label_new_with_mnemonic (_("_Signature Name:"));
+ gtk_label_set_mnemonic_widget (GTK_LABEL (widget), editor->priv->entry);
+ gtk_box_pack_end (GTK_BOX (container), widget, FALSE, FALSE, 0);
+ gtk_widget_show (widget);
+
+ g_signal_connect (
+ editor, "delete-event",
+ G_CALLBACK (signature_editor_delete_event_cb), NULL);
+
+ e_signature_editor_set_signature (editor, NULL);
+}
+
+GType
+e_signature_editor_get_type (void)
+{
+ static GType type = 0;
+
+ if (G_UNLIKELY (type == 0)) {
+ static const GTypeInfo type_info = {
+ sizeof (ESignatureEditorClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) signature_editor_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL, /* class_data */
+ sizeof (ESignatureEditor),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) signature_editor_init,
+ NULL /* value_table */
+ };
+
+ type = g_type_register_static (
+ GTKHTML_TYPE_EDITOR, "ESignatureEditor",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+GtkWidget *
+e_signature_editor_new (void)
+{
+ return g_object_new (E_TYPE_SIGNATURE_EDITOR, NULL);
+}
+
+ESignature *
+e_signature_editor_get_signature (ESignatureEditor *editor)
+{
+ g_return_val_if_fail (E_IS_SIGNATURE_EDITOR (editor), NULL);
+
+ return editor->priv->signature;
+}
+
+void
+e_signature_editor_set_signature (ESignatureEditor *editor,
+ ESignature *signature)
+{
+ const gchar *filename;
+ const gchar *signature_name;
+ gboolean is_html;
+ gchar *contents;
+ gsize length;
+ GError *error = NULL;
+
+ g_return_if_fail (E_IS_SIGNATURE_EDITOR (editor));
+
+ if (signature != NULL)
+ g_return_if_fail (E_SIGNATURE (signature));
+
+ if (editor->priv->signature != NULL) {
+ g_object_unref (editor->priv->signature);
+ editor->priv->signature = NULL;
+ }
+
+ if (signature == NULL)
+ goto exit;
+
+ editor->priv->signature = g_object_ref (signature);
+
+ /* Load signature content. */
+
+ filename = e_signature_get_filename (signature);
+ is_html = e_signature_get_is_html (signature);
+
+ if (is_html)
+ g_file_get_contents (filename, &contents, &length, &error);
+ else {
+ gchar *data;
+
+ data = e_read_signature_file (signature, FALSE, &error);
+ if (data != NULL)
+ contents = g_strdup_printf ("<PRE>\n%s", data);
+ else
+ contents = NULL;
+ length = -1;
+ g_free (data);
+ }
+
+ if (error == NULL) {
+ gtkhtml_editor_set_html_mode (
+ GTKHTML_EDITOR (editor), is_html);
+ gtkhtml_editor_set_text_html (
+ GTKHTML_EDITOR (editor), contents, length);
+ g_free (contents);
+ } else {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+exit:
+ if (signature != NULL)
+ signature_name = e_signature_get_name (signature);
+ else
+ signature_name = _("Unnamed");
+
+ /* Set the entry text before we grab focus. */
+ g_free (editor->priv->original_name);
+ editor->priv->original_name = g_strdup (signature_name);
+ gtk_entry_set_text (GTK_ENTRY (editor->priv->entry), signature_name);
+
+ /* Set the focus appropriately. If this is a new signature, draw
+ * the user's attention to the signature name entry. Otherwise go
+ * straight to the editing area. */
+ if (signature == NULL)
+ gtk_widget_grab_focus (editor->priv->entry);
+ else {
+ GtkHTML *html;
+
+ html = gtkhtml_editor_get_html (GTKHTML_EDITOR (editor));
+ gtk_widget_grab_focus (GTK_WIDGET (html));
+ }
+
+ g_object_notify (G_OBJECT (editor), "signature");
+}