72 lines
1.6 KiB
C#
72 lines
1.6 KiB
C#
/*
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* Copyright (c) 2017 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System.Windows;
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using SafeExamBrowser.Contracts.UserInterface;
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namespace SafeExamBrowser.UserInterface
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{
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public partial class Taskbar : Window, ITaskbar
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{
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public Taskbar()
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{
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InitializeComponent();
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}
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public void AddButton(IApplicationButton button)
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{
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if (button is UIElement)
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{
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ApplicationStackPanel.Children.Add(button as UIElement);
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}
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}
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public void SetPosition(int x, int y)
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{
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Left = x;
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Top = y;
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}
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public void SetSize(int width, int height)
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{
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Width = width;
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Height = height;
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}
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private void ApplicationScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
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{
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var scrollAmount = 20;
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if (ApplicationScrollViewer.IsMouseOver)
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{
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if (e.Delta < 0)
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{
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if (ApplicationScrollViewer.HorizontalOffset + scrollAmount > 0)
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{
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ApplicationScrollViewer.ScrollToHorizontalOffset(ApplicationScrollViewer.HorizontalOffset + scrollAmount);
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}
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else
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{
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ApplicationScrollViewer.ScrollToLeftEnd();
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}
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}
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else
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{
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if (ApplicationScrollViewer.ExtentWidth > ApplicationScrollViewer.HorizontalOffset - scrollAmount)
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{
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ApplicationScrollViewer.ScrollToHorizontalOffset(ApplicationScrollViewer.HorizontalOffset - scrollAmount);
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}
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else
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{
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ApplicationScrollViewer.ScrollToRightEnd();
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}
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}
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}
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}
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}
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}
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