Add delete-event handler to AgWindow

This commit is contained in:
Gergely Polonkai 2014-08-02 19:53:50 +02:00
parent 6e35a98cd5
commit 1c84845fa2
2 changed files with 60 additions and 0 deletions

View File

@ -92,6 +92,65 @@ ag_window_view_menu_action(GSimpleAction *action,
g_variant_unref(state); g_variant_unref(state);
} }
gboolean
ag_window_can_close(AgWindow *window, gboolean display_dialog)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gint db_id = (priv->saved_data)
? priv->saved_data->db_id
: -1;
AgDbSave *save_data = NULL;
AgDb *db = ag_db_get();
if (priv->chart) {
save_data = ag_chart_get_db_save(priv->chart, db_id);
if (!ag_db_save_identical(priv->saved_data, save_data)) {
g_debug("Save is needed!");
if (display_dialog) {
gint response;
response = ag_app_buttoned_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_QUESTION,
_("Chart is not saved. Do you want to save it?"),
_("Save and close"), GTK_RESPONSE_YES,
_("Close without saving"), GTK_RESPONSE_NO,
_("Return to chart"), GTK_RESPONSE_CANCEL,
NULL
);
switch (response) {
case GTK_RESPONSE_YES:
ag_db_save(db, save_data, NULL);
// TODO: error checking?
return TRUE;
case GTK_RESPONSE_NO:
return TRUE;
default:
return FALSE;
}
} else {
return FALSE;
}
}
}
return TRUE;
}
gboolean
ag_window_delete_event_callback(AgWindow *window,
GdkEvent *event,
gpointer user_data)
{
return (!ag_window_can_close(window, TRUE));
}
static void static void
ag_window_close_action(GSimpleAction *action, ag_window_close_action(GSimpleAction *action,
GVariant *parameter, GVariant *parameter,

View File

@ -141,6 +141,7 @@
<property name="has_focus">False</property> <property name="has_focus">False</property>
<property name="is_focus">False</property> <property name="is_focus">False</property>
<property name="icon_name">astrognome</property> <property name="icon_name">astrognome</property>
<signal name="delete-event" handler="ag_window_delete_event_callback" swapped="no"/>
<child type="titlebar"> <child type="titlebar">
<object class="GtkHeaderBar" id="header_bar"> <object class="GtkHeaderBar" id="header_bar">
<property name="visible">True</property> <property name="visible">True</property>