version 2.25.0

add qad_timers.h in PIQt, IndexedTimer

libs/piqt/qad_timers.cpp

@@ -0,0 +1 @@
+#include "qad_timers.h"

libs/piqt/qad_timers.h

@@ -0,0 +1,76 @@
+/*
+    QAD - Qt ADvanced
+
+    Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef qad_timers_H
+#define qad_timers_H
+
+#include "qad_utils_export.h"
+
+#include <QDebug>
+#include <QMap>
+#include <QTimer>
+#include <pisystemtime.h>
+
+
+template<typename Index = int>
+class QAD_UTILS_EXPORT IndexedTimer {
+public:
+	~IndexedTimer() {
+		for (auto & i: timers)
+			i.destroy();
+		timers.clear();
+	}
+
+	void bindIndexedTimer(Index index, std::function<void()> func) { timers[index].func = func; }
+	void stopIndexedTimer(Index index) {
+		auto & t(timers[index]);
+		if (!t.isValid()) return;
+		t.destroy();
+	}
+	void startIndexedTimer(Index index, PISystemTime interval, std::function<void()> func = nullptr) {
+		stopIndexedTimer(index);
+		__TimerSlot & t(timers[index]);
+		if (func) t.func = func;
+		if (!t.func) {
+			qDebug() << "[IndexedTimer] startIndexedTimer error: null function!";
+			return;
+		}
+		t.timer = new QTimer();
+		QObject::connect(t.timer, &QTimer::timeout, t.func);
+		t.timer->start(interval.toMilliseconds());
+	}
+	bool isIndexedTimerStarted(Index index) const { return timers.value(index).isValid(); }
+
+private:
+	struct __TimerSlot {
+		bool isValid() const { return timer; }
+		void destroy() {
+			if (!timer) return;
+			delete timer;
+			timer = nullptr;
+		}
+		std::function<void()> func = nullptr;
+		QTimer * timer             = nullptr;
+	};
+
+	QMap<Index, __TimerSlot> timers;
+};
+
+
+#endif