1 files changed, 101 insertions, 0 deletions
diff --git a/src/curveeditor/detail/colorcontrol.cpp b/src/curveeditor/detail/colorcontrol.cpp
new file mode 100644
index 0000000..a833a4c
--- /dev/null
+++ b/src/curveeditor/detail/colorcontrol.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Design Tooling
+**
+** 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 "colorcontrol.h"
+
+#include <QColorDialog>
+#include <QEvent>
+#include <QHelpEvent>
+#include <QPainter>
+#include <QToolTip>
+
+namespace DesignTools {
+
+ColorControl::ColorControl()
+    : QWidget(nullptr)
+    , m_color(Qt::black)
+{
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    setFixedHeight(20);
+}
+
+ColorControl::ColorControl(const QColor &color, QWidget *parent)
+    : QWidget(parent)
+    , m_color(color)
+{
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    setFixedHeight(20);
+}
+
+ColorControl::~ColorControl() = default;
+
+QColor ColorControl::value() const
+{
+    return m_color;
+}
+
+void ColorControl::setValue(const QColor &val)
+{
+    m_color = val;
+}
+
+bool ColorControl::event(QEvent *event)
+{
+    if (event->type() == QEvent::ToolTip) {
+        if (auto helpEvent = static_cast<const QHelpEvent *>(event)) {
+            QToolTip::showText(helpEvent->globalPos(), m_color.name());
+            return true;
+        }
+    }
+    return QWidget::event(event);
+}
+
+void ColorControl::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+    painter.fillRect(event->rect(), m_color);
+}
+
+void ColorControl::mouseReleaseEvent(QMouseEvent *event)
+{
+    QColor color = QColorDialog::getColor(m_color, this);
+
+    event->accept();
+
+    if (color != m_color) {
+        m_color = color;
+        update();
+        emit valueChanged();
+    }
+}
+
+void ColorControl::mousePressEvent(QMouseEvent *event)
+{
+    // Required if embedded in a QGraphicsProxywidget
+    // in order to call mouseRelease properly.
+    QWidget::mousePressEvent(event);
+    event->accept();
+}
+
+} // End namespace DesignTools.