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Minor refactoring
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Prevent creating a screen-less PendingAction with invalid type.
This commit is contained in:
Stephen Seo 2023-08-17 16:07:09 +09:00
parent 89e19cf084
commit ff03f30809
1 changed files with 15 additions and 1 deletions
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16
src/screen.cc
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@ -14,7 +14,21 @@ Screen::Screen(std::weak_ptr<ScreenStack> stack) : stack(stack) {}
ScreenStack::PendingAction::PendingAction() : screen(), action(Action::NOP) {}
ScreenStack::PendingAction::PendingAction(Action action)
: screen(), action(action) {}
: screen(), action(action) {
switch (action) {
case Action::PUSH_SCREEN:
case Action::CONSTRUCT_SCREEN:
// Cannot push non-existant screen.
this->action = Action::NOP;
#ifndef NDEBUG
std::clog << "WARNING: Cannot create PendingAction with PUSH_SCREEN or "
"CONSTRUCT_SCREEN!\n";
#endif
break;
default:
break;
}
}
ScreenStack::PendingAction::PendingAction(Screen::Ptr &&screen)
: screen(std::forward<Screen::Ptr>(screen)), action(Action::PUSH_SCREEN) {}