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#pragma once
#include <exception>
#include "caf/all.hpp"
#include "caf/mixin/actor_widget.hpp"
CAF_PUSH_WARNINGS
#include <QWidget>
#include <QLineEdit>
#include <QTextEdit>
CAF_POP_WARNINGS
class ChatWidget : public caf::mixin::actor_widget<QWidget> {
private:
// -- Qt boilerplate code ----------------------------------------------------
Q_OBJECT
public:
// -- member types -----------------------------------------------------------
using super = caf::mixin::actor_widget<QWidget>;
using set_name_atom = caf::atom_constant<caf::atom("setName")>;
using quit_atom = caf::atom_constant<caf::atom("quit")>;
ChatWidget(QWidget* parent = nullptr, Qt::WindowFlags f = 0);
~ChatWidget();
void init(caf::actor_system& system);
public slots:
void sendChatMessage();
void joinGroup();
void changeName();
private:
template<typename T>
T* get(T*& member, const char* name) {
if (member == nullptr) {
member = findChild<T*>(name);
if (member == nullptr)
throw std::runtime_error("unable to find child: " + std::string(name));
}
return member;
}
inline QLineEdit* input() {
return get(input_, "input");
}
inline QTextEdit* output() {
return get(output_, "output");
}
inline void print(const QString& what) {
output()->append(what);
}
caf::actor_system& system() {
return self()->home_system();
}
QLineEdit* input_;
QTextEdit* output_;
std::string name_;
caf::group chatroom_;
};
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