add default quarter files

src/Gui/Quarter/SignalThread.cpp

@@ -0,0 +1,77 @@
+/**************************************************************************\
+ * Copyright (c) Kongsberg Oil & Gas Technologies AS
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+\**************************************************************************/
+
+#include "SignalThread.h"
+
+using namespace SIM::Coin3D::Quarter;
+
+SignalThread::SignalThread(void)
+  : isstopped(false)
+{
+}
+
+SignalThread::~SignalThread()
+{
+}
+
+void
+SignalThread::trigger(void)
+{
+  // lock first to make sure the QThread is actually waiting for a signal
+  this->mutex.lock();
+  this->waitcond.wakeOne();
+  this->mutex.unlock();
+}
+
+void
+SignalThread::stopThread(void)
+{
+  this->mutex.lock();
+  this->isstopped = true;
+  this->waitcond.wakeOne();
+  this->mutex.unlock();
+}
+
+
+void
+SignalThread::run(void)
+{
+  this->mutex.lock();
+  while (!this->isstopped) {
+    // just wait, and trigger every time we receive a signal
+    this->waitcond.wait(&this->mutex);
+    if (!this->isstopped) {
+      emit triggerSignal();
+    }
+  }
+  this->mutex.unlock();
+}