easy change key bindings

src/commands/CommandManager.cpp

@@ -1479,9 +1479,25 @@ bool CommandManager::HandleCommandEntry(const CommandListEntry * entry,
 ///CommandManagerListener function.  If you pass any flags,
 ///the command won't be executed unless the flags are compatible
 ///with the command's flags.
+#include "../prefs/PrefsDialog.h"
+#include "../prefs/KeyConfigPrefs.h"
 bool CommandManager::HandleMenuID(int id, CommandFlag flags, CommandMask mask)
 {
    CommandListEntry *entry = mCommandIDHash[id];
+
+#ifdef EXPERIMENTAL_EASY_CHANGE_KEY_BINDINGS
+   if (::wxGetMouseState().ShiftDown()) {
+      // Only want one page of the preferences
+      KeyConfigPrefsFactory keyConfigPrefsFactory{ entry->name };
+      PrefsDialog::Factories factories;
+      factories.push_back(&keyConfigPrefsFactory);
+      GlobalPrefsDialog dialog(GetActiveProject(), factories);
+      dialog.ShowModal();
+      AudacityProject::RebuildAllMenuBars();
+      return true;
+   }
+#endif
+
    return HandleCommandEntry( entry, flags, mask );
 }