src/apps/mail/MailWindow.cpp

1031

undo_state undoState = B_UNDO_UNAVAILABLE;

src/apps/mail/MailWindow.cpp

1039

fUndo->SetEnabled(undoState != B_UNDO_UNAVAILABLE);

src/apps/mail/Signature.cpp

155

undo_state undoState = B_UNDO_UNAVAILABLE;

src/apps/mail/Signature.cpp

162

fUndo->SetEnabled(undoState != B_UNDO_UNAVAILABLE);

src/apps/people/PersonWindow.cpp

146

undoEnabled = state != B_UNDO_UNAVAILABLE;

src/kits/interface/TextView.cpp

2628

fUndo = new UndoBuffer(this, B_UNDO_UNAVAILABLE);

src/kits/interface/TextView.cpp

3146

return fUndo == NULL ? B_UNDO_UNAVAILABLE : fUndo->State(isRedo);

src/kits/interface/TextView.cpp

5956

bool isUndo = state != B_UNDO_UNAVAILABLE && !isRedo;