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Diffstat (limited to 'src/Gtk/Signal.icl')
| -rw-r--r-- | src/Gtk/Signal.icl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Gtk/Signal.icl b/src/Gtk/Signal.icl index 6780ae9..154fd30 100644 --- a/src/Gtk/Signal.icl +++ b/src/Gtk/Signal.icl @@ -76,6 +76,9 @@ saveState = getState >>= \state -> toState (save_state state) retrieveState :: GtkM GtkState retrieveState = modState (const saved_state.[0]) +withPossibleCallback :: !(GtkM a) -> GtkM a +withPossibleCallback m = saveState >>| m >>= \r -> retrieveState >>| pure r + foreign export handleSignal handleSignal :: !Int !{#Int} -> Int handleSignal id args |