Added plugin for supporting the Nim programming language

The plugin support:
- basic syntax highlighting
- indentation
- project management
- run and build configuration
- debugging
- code style

Change-Id: Idfbb02a11ed570c90149a54b726beb956712e2bd
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/nim/project/nimbuildconfigurationwidget.cpp

@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) Filippo Cucchetto <filippocucchetto@gmail.com>
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "project/nimbuildconfigurationwidget.h"
+
+#include "nimconstants.h"
+#include "project/nimbuildconfiguration.h"
+
+#include <utils/pathchooser.h>
+#include <utils/detailswidget.h>
+
+#include <QVBoxLayout>
+#include <QFormLayout>
+#include <QComboBox>
+
+using namespace ProjectExplorer;
+using namespace Utils;
+
+namespace Nim {
+
+NimBuildConfigurationWidget::NimBuildConfigurationWidget(NimBuildConfiguration *bc)
+    : NamedWidget(nullptr)
+    , m_bc(bc)
+{
+    // Build UI
+    auto mainLayout = new QVBoxLayout(this);
+    mainLayout->setMargin(0);
+
+    auto detailsWidget = new DetailsWidget();
+    detailsWidget->setState(DetailsWidget::NoSummary);
+    mainLayout->addWidget(detailsWidget);
+
+    auto detailsInnerWidget = new QWidget();
+    auto formLayout = new QFormLayout(detailsInnerWidget);
+    detailsWidget->setWidget(detailsInnerWidget);
+
+    m_buildDirectoryChooser = new PathChooser();
+    formLayout->addRow(tr("Build directory:"), m_buildDirectoryChooser);
+
+    // Connect signals
+    connect(bc, &NimBuildConfiguration::buildDirectoryChanged,
+            this, &NimBuildConfigurationWidget::updateUi);
+    connect(m_buildDirectoryChooser, &PathChooser::pathChanged,
+            this, &NimBuildConfigurationWidget::onPathEdited);
+
+    setDisplayName(tr(Constants::C_NIMBUILDCONFIGURATIONWIDGET_DISPLAY));
+    updateUi();
+}
+
+NimBuildConfigurationWidget::~NimBuildConfigurationWidget() = default;
+
+void NimBuildConfigurationWidget::updateUi()
+{
+    m_buildDirectoryChooser->setPath(m_bc->buildDirectory().toUserOutput());
+}
+
+void NimBuildConfigurationWidget::onPathEdited(const QString &path)
+{
+    m_bc->setBuildDirectory(FileName::fromUserInput(path));
+}
+
+
+}