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add TabPressedEventHandler.cs

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This commit is contained in:
Jonas Sourlier 2022-05-02 16:43:50 +02:00
parent 235735fb3a
commit 9cbb510c48
4 changed files with 20 additions and 3 deletions
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15
SafeExamBrowser.Browser.Contracts/Events/TabPressedEventHandler.cs Normal file
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@ -0,0 +1,15 @@
/*
* Copyright (c) 2022 ETH Zürich, Educational Development and Technology (LET)
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Browser.Contracts.Events
{
/// <summary>
/// Event handler used to indicate that the user pressed the tab key to move the focus forward or backward.
/// </summary>
public delegate void TabPressedEventHandler(bool forward);
}

1
SafeExamBrowser.Browser.Contracts/SafeExamBrowser.Browser.Contracts.csproj
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@ -57,6 +57,7 @@
<Compile Include="Events\DownloadEventArgs.cs" /> <Compile Include="Events\DownloadEventArgs.cs" />
<Compile Include="Events\DownloadFinishedCallback.cs" /> <Compile Include="Events\DownloadFinishedCallback.cs" />
<Compile Include="Events\DownloadRequestedEventHandler.cs" /> <Compile Include="Events\DownloadRequestedEventHandler.cs" />
<Compile Include="Events\TabPressedEventHandler.cs" />
<Compile Include="Events\LoseFocusRequestedEventHandler.cs" /> <Compile Include="Events\LoseFocusRequestedEventHandler.cs" />
<Compile Include="Events\SessionIdentifierDetectedEventHandler.cs" /> <Compile Include="Events\SessionIdentifierDetectedEventHandler.cs" />
<Compile Include="Events\TerminationRequestedEventHandler.cs" /> <Compile Include="Events\TerminationRequestedEventHandler.cs" />

2
SafeExamBrowser.Browser/BrowserWindow.cs
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@ -702,7 +702,7 @@ namespace SafeExamBrowser.Browser
} }
} }
private void TabPressed(object sender, bool shiftPressed) private void TabPressed(bool shiftPressed)
{ {
this.Control.ExecuteJavascript("document.activeElement.tagName", result => this.Control.ExecuteJavascript("document.activeElement.tagName", result =>
{ {

5
SafeExamBrowser.Browser/Handlers/KeyboardHandler.cs
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@ -8,6 +8,7 @@
using System.Windows.Forms; using System.Windows.Forms;
using CefSharp; using CefSharp;
using SafeExamBrowser.Browser.Contracts.Events;
using SafeExamBrowser.UserInterface.Contracts; using SafeExamBrowser.UserInterface.Contracts;
namespace SafeExamBrowser.Browser.Handlers namespace SafeExamBrowser.Browser.Handlers
@ -21,7 +22,7 @@ namespace SafeExamBrowser.Browser.Handlers
internal event ActionRequestedEventHandler ZoomOutRequested; internal event ActionRequestedEventHandler ZoomOutRequested;
internal event ActionRequestedEventHandler ZoomResetRequested; internal event ActionRequestedEventHandler ZoomResetRequested;
internal event ActionRequestedEventHandler FocusAddressBarRequested; internal event ActionRequestedEventHandler FocusAddressBarRequested;
internal event System.EventHandler<bool> TabPressed; internal event TabPressedEventHandler TabPressed;
private int? currentKeyDown = null; private int? currentKeyDown = null;
@ -64,7 +65,7 @@ namespace SafeExamBrowser.Browser.Handlers
if (keyCode == (int)Keys.Tab && keyCode == currentKeyDown) if (keyCode == (int)Keys.Tab && keyCode == currentKeyDown)
{ {
TabPressed?.Invoke(this, shift); TabPressed?.Invoke(shift);
} }
} }