ladybird/Applications/Taskbar/WindowIdentifier.h
Andreas Kling d5bb98acbc AK: Defer to Traits<T> for equality comparison in container templates.
This is prep work for supporting HashMap with NonnullRefPtr<T> as values.
It's currently not possible because many HashTable functions require being
able to default-construct the value type.
2019-06-29 19:14:03 +02:00

33 lines
882 B
C++

#pragma once
#include <AK/Traits.h>
#include <AK/kstdio.h>
class WindowIdentifier {
public:
WindowIdentifier(int client_id, int window_id)
: m_client_id(client_id)
, m_window_id(window_id)
{
}
int client_id() const { return m_client_id; }
int window_id() const { return m_window_id; }
bool operator==(const WindowIdentifier& other) const
{
return m_client_id == other.m_client_id && m_window_id == other.m_window_id;
}
private:
int m_client_id { -1 };
int m_window_id { -1 };
};
namespace AK {
template<>
struct Traits<WindowIdentifier> : public GenericTraits<WindowIdentifier> {
static unsigned hash(const WindowIdentifier& w) { return pair_int_hash(w.client_id(), w.window_id()); }
static void dump(const WindowIdentifier& w) { kprintf("WindowIdentifier(%d, %d)", w.client_id(), w.window_id()); }
};
}