cpp
/
RmlUi
mirror of https://github.com/mikke89/RmlUi.git


			
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							/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019 The RmlUi Team, and contributors
 *
 * 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 "../Common/TestsShell.h"
#include <RmlUi/Core/Context.h>
#include <RmlUi/Core/Element.h>
#include <RmlUi/Core/ElementDocument.h>
#include <doctest.h>
#include <algorithm>

using namespace Rml;

static const String document_focus_rml = R"(
<rml>
<head>
	<link type="text/rcss" href="/assets/rml.rcss"/>
	<link type="text/rcss" href="/assets/invader.rcss"/>
	<style>
		button {
			display: inline-block;
			tab-index: auto;
		}
		:focus {
			image-color: #af0;
		}
		:disabled {
			image-color: #666;
		}
		.hide {
			visibility: hidden;
		}
		.nodisplay {
			display: none;
		}
	</style>
</head>

<body id="body">
<input type="checkbox" id="p1"/> P1
<label><input type="checkbox" id="p2"/> P2</label>
<p>
	<input type="checkbox" id="p3"/><label for="p3"> P3</label>
</p>
<p class="nodisplay">
	<input type="checkbox" id="p4"/><label for="p4"> P4</label>
</p>
<input type="checkbox" id="p5"/> P5
<p>
	<input type="checkbox" id="p6" disabled/><label for="p6"> P6</label>
</p>
<div>
	<label><input type="checkbox" id="p7"/> P7</label>
	<label class="hide"><input type="checkbox" id="p8"/> P8</label>
	<label><button id="p9"> P9</button></label>
	<label><input type="checkbox" id="p10"/> P10</label>
</div>
<div id="container">
	<p> Deeply nested
		<span>
			<input type="checkbox" id="p11"/> P11
		</span>
		<input type="checkbox" id="p12"/> P12
	</p>
	<input type="checkbox" id="p13"/> P13
</div>
</body>
</rml>
)";

static const String focus_forward = "p1 p2 p3 p5 p7 p9 p10 p11 p12 p13";


TEST_CASE("elementdocument.focus")
{
	Context* context = TestsShell::GetContext();
	REQUIRE(context);

	ElementDocument* document = context->LoadDocumentFromMemory(document_focus_rml);
	REQUIRE(document);
	document->Show();

	context->Update();
	context->Render();

	TestsShell::RenderLoop();

	document->Focus();

	StringList ids;
	StringUtilities::ExpandString(ids, focus_forward, ' ');

	REQUIRE(!ids.empty());

	// Forward direction
	for(const String& id : ids)
	{
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == id);
	}

	// Wrap around
	context->ProcessKeyDown(Input::KI_TAB, 0);
	CHECK(context->GetFocusElement()->GetId() == ids[0]);

	document->Focus();

	std::reverse(ids.begin(), ids.end());

	// Reverse direction
	for (const String& id : ids)
	{
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == id);
	}

	// Wrap around (reverse)
	context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
	CHECK(context->GetFocusElement()->GetId() == ids[0]);

	// Tab to document
	{
		document->SetProperty("tab-index", "auto");
		document->UpdateDocument();

		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "body");
	}

	// Tab from container element
	{
		Element* container = document->GetElementById("container");
		REQUIRE(container);

		container->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "p11");

		container->Focus();
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "p10");
	}

	// Single element
	{
		document->SetProperty("tab-index", "none");
		document->SetInnerRML(R"(<input type="checkbox" id="p1"/> P1)");
		document->UpdateDocument();

		document->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "p1");
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "p1");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "p1");

		document->SetProperty("tab-index", "auto");
		document->UpdateDocument();

		document->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "p1");
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "body");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "p1");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "body");
	}

	// Single, non-tabable element
	{
		document->SetProperty("tab-index", "none");
		document->SetInnerRML(R"(<div id="child"/>)");
		document->UpdateDocument();
		Element* child = document->GetChild(0);

		document->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "body");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "body");

		child->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "child");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "child");

		document->SetProperty("tab-index", "auto");
		document->UpdateDocument();

		document->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "body");
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "body");

		child->Focus();
		context->ProcessKeyDown(Input::KI_TAB, 0);
		CHECK(context->GetFocusElement()->GetId() == "body");
		child->Focus();
		context->ProcessKeyDown(Input::KI_TAB, Input::KM_SHIFT);
		CHECK(context->GetFocusElement()->GetId() == "body");
	}

	document->Close();

	TestsShell::ShutdownShell();
}