Make Capture -> Refresh Interfaces work.

Add a "refresh the local interfaces" method to WiresharkApplication,
which reloads the interface list and emits the "interface list changed"
signal, and invoke it from the Capture -> Refresh Interfaces menu item.

Change-Id: I9641e4b341eb44d773c556691d8bb9dac776ea9d
Reviewed-on: https://code.wireshark.org/review/3195
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 18 insertions, 0 deletions

diff --git a/ui/qt/wireshark_application.cpp b/ui/qt/wireshark_application.cpp
index 7630530c23..4e524f1ac3 100644
--- a/ui/qt/wireshark_application.cpp
+++ b/ui/qt/wireshark_application.cpp
@@ -706,6 +706,24 @@ void WiresharkApplication::ifChangeEventsAvailable()
 #endif
 }
 
+void WiresharkApplication::refreshLocalInterfaces()
+{
+#ifdef HAVE_LIBPCAP
+    /*
+     * Reload the local interface list.
+     */
+    scan_local_interfaces(main_window_update);
+
+    /*
+     * Now emit a signal to indicate that the list changed, so that all
+     * places displaying the list will get updated.
+     *
+     * XXX - only if it *did* change.
+     */
+    emit localInterfaceListChanged();
+#endif
+}
+
 void WiresharkApplication::allSystemsGo()
 {
     QString display_filter = NULL;