gui/options-dialog: prevent escape key closing on Linux

The escape key closed the dialog but prevented save/cancel hooks from
being run. Now we get the hooks running twice but it's better than not
at all.

1 files changed, 7 insertions, 0 deletions

diff --git a/gui/options-dialog.cpp b/gui/options-dialog.cpp
index b1dfc472..42b5cc52 100644
--- a/gui/options-dialog.cpp
+++ b/gui/options-dialog.cpp
@@ -200,3 +200,10 @@ void OptionsDialog::doCancel()
     emit closing();
 }
 
+void OptionsDialog::done(int res)
+{
+    if (res == QDialog::Accepted)
+        doOK();
+    else
+        doCancel();
+}