build: WIP CMakeLists refactoring

core/signalcatcher.h

@@ -0,0 +1,48 @@
+/*
+ * Squawk messenger. 
+ * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SIGNALCATCHER_H
+#define SIGNALCATCHER_H
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QObject>
+#include <QtCore/QSocketNotifier>
+
+class SignalCatcher: public QObject
+{
+    Q_OBJECT
+    
+public:
+    SignalCatcher(QCoreApplication *p_app, QObject *parent = 0);
+    ~SignalCatcher();
+    
+    static void intSignalHandler(int unused);
+    
+public slots:
+    void handleSigInt();
+    
+private:
+    QCoreApplication *app;
+    static int sigintFd[2];
+    
+    QSocketNotifier *snInt;
+    
+    static int setup_unix_signal_handlers();
+};
+
+#endif // SIGNALCATCHER_H