[evolution] EToDoPane: Add 'Delete This and Future Occurrences' popup menu option

[Milan Crha <mcrha src gnome org>]

commit 620c7a87320aefc1202d28a1e4e24f430c4c776a
Author: Milan Crha <mcrha redhat com>
Date:   Mon Jun 21 14:53:46 2021 +0200

    EToDoPane: Add 'Delete This and Future Occurrences' popup menu option
    
    Related to https://gitlab.gnome.org/GNOME/evolution/-/issues/1527

 src/calendar/gui/e-to-do-pane.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
---
diff --git a/src/calendar/gui/e-to-do-pane.c b/src/calendar/gui/e-to-do-pane.c
index 4d8096ce6d..a1faffd69e 100644
--- a/src/calendar/gui/e-to-do-pane.c
+++ b/src/calendar/gui/e-to-do-pane.c
@@ -2136,6 +2136,17 @@ etdp_delete_selected_cb (GtkMenuItem *item,
        etdp_delete_common (to_do_pane, E_CAL_OBJ_MOD_THIS);
 }
 
+static void
+etdp_delete_this_and_future_cb (GtkMenuItem *item,
+                               gpointer user_data)
+{
+       EToDoPane *to_do_pane = user_data;
+
+       g_return_if_fail (E_IS_TO_DO_PANE (to_do_pane));
+
+       etdp_delete_common (to_do_pane, E_CAL_OBJ_MOD_THIS_AND_FUTURE);
+}
+
 static void
 etdp_delete_series_cb (GtkMenuItem *item,
                       gpointer user_data)
@@ -2233,6 +2244,16 @@ etdp_fill_popup_menu (EToDoPane *to_do_pane,
                        gtk_widget_show (item);
                        gtk_menu_shell_append (menu_shell, item);
 
+                       if (!e_client_check_capability (E_CLIENT (client), 
E_CAL_STATIC_CAPABILITY_NO_THISANDFUTURE)) {
+                               item = gtk_image_menu_item_new_with_mnemonic (_("Delete This and F_uture 
Occurrences…"));
+                               gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
+                                       gtk_image_new_from_icon_name ("edit-delete", GTK_ICON_SIZE_MENU));
+                               g_signal_connect (item, "activate",
+                                       G_CALLBACK (etdp_delete_this_and_future_cb), to_do_pane);
+                               gtk_widget_show (item);
+                               gtk_menu_shell_append (menu_shell, item);
+                       }
+
                        item = gtk_image_menu_item_new_with_mnemonic (_("D_elete All Instances…"));
                        gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
                                gtk_image_new_from_icon_name ("edit-delete", GTK_ICON_SIZE_MENU));