ladybird/Libraries/LibGUI/GActionGroup.h
Andreas Kling 7083a0104a LibGUI: Add GActionGroup, a way to group a bunch of GActions.
This can be used to make a bunch of actions mutually exclusive.
This patch only implements the exclusivity behavior for buttons.
2019-07-09 22:10:03 +02:00

36 lines
879 B
C++

#pragma once
#include <AK/HashTable.h>
#include <AK/Weakable.h>
class GAction;
class GActionGroup : public Weakable<GActionGroup> {
public:
GActionGroup() {}
~GActionGroup() {}
void add_action(GAction&);
void remove_action(GAction&);
bool is_exclusive() const { return m_exclusive; }
void set_exclusive(bool exclusive) { m_exclusive = exclusive; }
bool is_unchecking_allowed() const { return m_unchecking_allowed; }
void set_unchecking_allowed(bool unchecking_allowed) { m_unchecking_allowed = unchecking_allowed; }
template<typename C>
void for_each_action(C callback)
{
for (auto& it : m_actions) {
if (callback(*it) == IterationDecision::Break)
break;
}
}
private:
HashTable<GAction*> m_actions;
bool m_exclusive { false };
bool m_unchecking_allowed { false };
};