diff options
Diffstat (limited to 'widgets/misc/e-alert-bar.c')
| -rw-r--r-- | widgets/misc/e-alert-bar.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/widgets/misc/e-alert-bar.c b/widgets/misc/e-alert-bar.c new file mode 100644 index 0000000000..7796482689 --- /dev/null +++ b/widgets/misc/e-alert-bar.c @@ -0,0 +1,235 @@ +/* + * e-alert-bar.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/> + * + */ + +#include "e-alert-bar.h" + +#include <config.h> +#include <glib/gi18n-lib.h> + +#define E_ALERT_BAR_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_ALERT_BAR, EAlertBarPrivate)) + +#define ICON_SIZE GTK_ICON_SIZE_DIALOG + +struct _EAlertBarPrivate { + GQueue alerts; + GtkWidget *image; /* not referenced */ + GtkWidget *primary_label; /* not referenced */ + GtkWidget *secondary_label; /* not referenced */ +}; + +G_DEFINE_TYPE ( + EAlertBar, + e_alert_bar, + GTK_TYPE_INFO_BAR) + +static void +alert_bar_show_alert (EAlertBar *alert_bar) +{ + GtkImage *image; + GtkLabel *label; + GtkInfoBar *info_bar; + GtkWidget *action_area; + EAlertButton *buttons; + EAlert *alert; + GList *children; + GtkMessageType message_type; + const gchar *stock_id; + const gchar *text; + gint response_id; + + info_bar = GTK_INFO_BAR (alert_bar); + action_area = gtk_info_bar_get_action_area (info_bar); + + alert = g_queue_peek_head (&alert_bar->priv->alerts); + g_return_if_fail (E_IS_ALERT (alert)); + + /* Remove all buttons from the previous alert. */ + children = gtk_container_get_children (GTK_CONTAINER (action_area)); + while (children != NULL) { + GtkWidget *child = GTK_WIDGET (children->data); + gtk_container_remove (GTK_CONTAINER (action_area), child); + children = g_list_delete_link (children, children); + } + + /* Add new buttons. */ + buttons = e_alert_peek_buttons (alert); + if (buttons == NULL) { + gtk_info_bar_add_button ( + info_bar, _("_Dismiss"), GTK_RESPONSE_CLOSE); + } else while (buttons != NULL) { + const gchar *button_text; + + if (buttons->stock != NULL) + button_text = buttons->stock; + else + button_text = buttons->label; + + gtk_info_bar_add_button ( + info_bar, button_text, buttons->response); + + buttons = buttons->next; + } + + response_id = e_alert_get_default_response (alert); + gtk_info_bar_set_default_response (info_bar, response_id); + + message_type = e_alert_get_message_type (alert); + gtk_info_bar_set_message_type (info_bar, message_type); + + text = e_alert_get_primary_text (alert); + label = GTK_LABEL (alert_bar->priv->primary_label); + gtk_label_set_text (label, text); + + text = e_alert_get_secondary_text (alert); + label = GTK_LABEL (alert_bar->priv->secondary_label); + gtk_label_set_text (label, text); + + stock_id = e_alert_get_stock_id (alert); + image = GTK_IMAGE (alert_bar->priv->image); + gtk_image_set_from_stock (image, stock_id, ICON_SIZE); + + gtk_widget_show (GTK_WIDGET (alert_bar)); +} + +static void +alert_bar_dispose (GObject *object) +{ + EAlertBarPrivate *priv; + + priv = E_ALERT_BAR_GET_PRIVATE (object); + + while (!g_queue_is_empty (&priv->alerts)) + g_object_unref (g_queue_pop_head (&priv->alerts)); + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (e_alert_bar_parent_class)->dispose (object); +} + +static void +alert_bar_response (GtkInfoBar *info_bar, + gint response_id) +{ + EAlertBar *alert_bar; + EAlert *alert; + + alert_bar = E_ALERT_BAR (info_bar); + + alert = g_queue_pop_head (&alert_bar->priv->alerts); + e_alert_response (alert, response_id); + g_object_unref (alert); + + if (!g_queue_is_empty (&alert_bar->priv->alerts)) + alert_bar_show_alert (alert_bar); + else + gtk_widget_hide (GTK_WIDGET (alert_bar)); +} + +static void +e_alert_bar_class_init (EAlertBarClass *class) +{ + GObjectClass *object_class; + GtkInfoBarClass *info_bar_class; + + g_type_class_add_private (class, sizeof (EAlertBarPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->dispose = alert_bar_dispose; + + info_bar_class = GTK_INFO_BAR_CLASS (class); + info_bar_class->response = alert_bar_response; +} + +static void +e_alert_bar_init (EAlertBar *alert_bar) +{ + GtkWidget *container; + GtkWidget *widget; + PangoAttribute *attr; + PangoAttrList *attr_list; + + alert_bar->priv = E_ALERT_BAR_GET_PRIVATE (alert_bar); + + g_queue_init (&alert_bar->priv->alerts); + + container = gtk_info_bar_get_content_area (GTK_INFO_BAR (alert_bar)); + + widget = gtk_hbox_new (FALSE, 12); + gtk_container_add (GTK_CONTAINER (container), widget); + gtk_widget_show (widget); + + container = widget; + + widget = gtk_image_new (); + gtk_misc_set_alignment (GTK_MISC (widget), 0.5, 0.0); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + alert_bar->priv->image = widget; + gtk_widget_show (widget); + + widget = gtk_vbox_new (FALSE, 12); + gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0); + gtk_widget_show (widget); + + container = widget; + + attr_list = pango_attr_list_new (); + attr = pango_attr_scale_new (PANGO_SCALE_LARGE); + pango_attr_list_insert (attr_list, attr); + attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD); + pango_attr_list_insert (attr_list, attr); + + widget = gtk_label_new (NULL); + gtk_label_set_attributes (GTK_LABEL (widget), attr_list); + 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); + alert_bar->priv->primary_label = widget; + gtk_widget_show (widget); + + widget = gtk_label_new (NULL); + 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); + alert_bar->priv->secondary_label = widget; + gtk_widget_show (widget); + + pango_attr_list_unref (attr_list); +} + +GtkWidget * +e_alert_bar_new (void) +{ + return g_object_new (E_TYPE_ALERT_BAR, NULL); +} + +void +e_alert_bar_add_alert (EAlertBar *alert_bar, + EAlert *alert) +{ + gboolean show_it_now; + + g_return_if_fail (E_IS_ALERT_BAR (alert_bar)); + g_return_if_fail (E_IS_ALERT (alert)); + + show_it_now = g_queue_is_empty (&alert_bar->priv->alerts); + g_queue_push_tail (&alert_bar->priv->alerts, g_object_ref (alert)); + + if (show_it_now) + alert_bar_show_alert (alert_bar); +} |