0031570: Samples - add Qt samples similar to standard MFC samples

[occt.git] / samples / qt / OCCTOverview / src / Transparency.cxx

diff --git a/samples/qt/OCCTOverview/src/Transparency.cxx b/samples/qt/OCCTOverview/src/Transparency.cxx
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+++ b/samples/qt/OCCTOverview/src/Transparency.cxx
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+// Copyright (c) 2020 OPEN CASCADE SAS
+//
+// This file is part of the examples of the Open CASCADE Technology software library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
+
+#include "Transparency.h"
+
+#include <Standard_WarningsDisable.hxx>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <Standard_WarningsRestore.hxx>
+
+DialogTransparency::DialogTransparency(QWidget* parent)
+: QDialog(parent, Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint)
+{
+  setWindowTitle(tr("Transparency"));
+  QHBoxLayout* base = new QHBoxLayout(this);
+
+  base->addWidget(new QLabel("0", this));
+
+  mySlider = new QSlider(Qt::Horizontal, this);
+  mySlider->setRange(0, 10);
+  mySlider->setTickPosition(QSlider::TicksBelow);
+  mySlider->setTickInterval(1);
+  mySlider->setPageStep(2);
+  base->addWidget(mySlider);
+  connect(mySlider, SIGNAL(valueChanged(int)), this, SIGNAL(sendTransparencyChanged(int)));
+
+  base->addWidget(new QLabel("10", this));
+}