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Add ScreenStack::clear_screens()

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This commit is contained in:
Stephen Seo 2023-08-01 17:55:30 +09:00
parent a0dbf2b172
commit 1feefc5d9b
2 changed files with 15 additions and 1 deletions
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12
src/screen.cc
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@ -56,6 +56,10 @@ void ScreenStack::pop_screen() {
actions.push_back(PendingAction(Action::POP_SCREEN));
}
void ScreenStack::clear_screens() {
actions.push_back(PendingAction(Action::CLEAR_SCREENS));
}
ScreenStack::ScreenStack() : self_weak(), stack(), actions() {}
void ScreenStack::handle_pending_actions() {
@ -74,6 +78,14 @@ void ScreenStack::handle_pending_actions() {
}
#endif // NDEBUG
break;
case Action::CLEAR_SCREENS:
#ifndef NDEBUG
if (stack.empty()) {
std::cerr << "WARNING: Clearing an empty screen stack!\n";
}
#endif
stack.clear();
break;
case Action::NOP:
// Intentionally left blank.
break;

4
src/screen.h
View file

@ -37,7 +37,7 @@ class Screen {
class ScreenStack {
private:
enum Action { PUSH_SCREEN, POP_SCREEN, NOP };
enum Action { PUSH_SCREEN, POP_SCREEN, CLEAR_SCREENS, NOP };
struct PendingAction {
PendingAction();
@ -80,6 +80,8 @@ class ScreenStack {
void pop_screen();
void clear_screens();
private:
ScreenStack();