allow more keys as verb triggers

For example `enter` on files:

	[[verbs]]
	invocation = "edit"
	key = "enter"
	execution = "$EDITOR {file}"

This may be handy on a system without xdg-open.

Fix #65

1 files changed, 11 insertions, 0 deletions

diff --git a/src/browser_states.rs b/src/browser_states.rs
index 50c671c..1d5782f 100644
--- a/src/browser_states.rs
+++ b/src/browser_states.rs
@@ -274,6 +274,16 @@ impl AppState for BrowserState {
         }
     }
 
+    fn can_execute(
+        &self,
+        verb_index: usize,
+        con: &AppContext,
+    ) -> bool {
+        self.displayed_tree().selected_line().is_of(
+            con.verb_store.verbs[verb_index].selection_condition
+        )
+    }
+
     fn apply(
         &mut self,
         cmd: &mut Command,
@@ -465,3 +475,4 @@ impl AppState for BrowserState {
         Ok(())
     }
 }
+