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Code Issues Activity Actions

Port Terminal to LibGUI.

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To facilitate listening for action on arbitrary file descriptors,
I've added a GNotifier class. It's quite simple but very useful:

GNotifier notifier(fd, GNotifier::Read);
notifier.on_ready_to_read = [this] (GNotifier& fd) {
    // read from fd or whatever else you like :^)
};

The callback will get invoked by GEventLoop when select() says we
have something to read on the fd.
This commit is contained in:
Andreas Kling 2019-02-10 14:28:39 +01:00
parent ae4811fbae
commit 53d34a0885
15 changed files with 268 additions and 151 deletions
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6
LibGUI/GEventLoop.h
View file

@ -1,11 +1,13 @@
#pragma once
#include "GEvent.h"
#include <AK/Badge.h>
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
class GObject;
class GNotifier;
class GWindow;
struct GUI_Event;
@ -27,6 +29,9 @@ public:
int register_timer(GObject&, int milliseconds, bool should_reload);
bool unregister_timer(int timer_id);
void register_notifier(Badge<GNotifier>, GNotifier&);
void unregister_notifier(Badge<GNotifier>, GNotifier&);
void exit(int);
private:
@ -64,4 +69,5 @@ private:
};
HashMap<int, OwnPtr<EventLoopTimer>> m_timers;
HashTable<GNotifier*> m_notifiers;
};