Adding a custom easing curve editor to declarative tools

Change-Id: Ic8ef77792d74ec99b23d85cd8888e0190acc3e10
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>
Reviewed-by: Alessandro Portale <alessandro.portale@nokia.com>

1 files changed, 128 insertions, 0 deletions

diff --git a/tools/easingcurveeditor/segmentproperties.cpp b/tools/easingcurveeditor/segmentproperties.cpp
new file mode 100644
index 0000000000..886d4636aa
--- /dev/null
+++ b/tools/easingcurveeditor/segmentproperties.cpp
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "segmentproperties.h"
+#include "splineeditor.h"
+
+SegmentProperties::SegmentProperties(QWidget *parent) :
+    QWidget(parent), m_splineEditor(0), m_blockSignals(false)
+{
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setMargin(0);
+    layout->setSpacing(2);
+    setLayout(layout);
+    {
+        QWidget *widget = new QWidget(this);
+        m_ui_pane_c1.setupUi(widget);
+        m_ui_pane_c1.label->setText("c1");
+        m_ui_pane_c1.smooth->setVisible(false);
+        layout->addWidget(widget);
+
+        connect(m_ui_pane_c1.p1_x, SIGNAL(valueChanged(double)), this, SLOT(c1Updated()));
+        connect(m_ui_pane_c1.p1_y, SIGNAL(valueChanged(double)), this, SLOT(c1Updated()));
+    }
+    {
+        QWidget *widget = new QWidget(this);
+        m_ui_pane_c2.setupUi(widget);
+        m_ui_pane_c2.label->setText("c2");
+        m_ui_pane_c2.smooth->setVisible(false);
+        layout->addWidget(widget);
+
+        connect(m_ui_pane_c2.p1_x, SIGNAL(valueChanged(double)), this, SLOT(c2Updated()));
+        connect(m_ui_pane_c2.p1_y, SIGNAL(valueChanged(double)), this, SLOT(c2Updated()));
+    }
+    {
+        QWidget *widget = new QWidget(this);
+        m_ui_pane_p.setupUi(widget);
+        m_ui_pane_p.label->setText("p1");
+        layout->addWidget(widget);
+
+        connect(m_ui_pane_p.smooth, SIGNAL(toggled(bool)), this, SLOT(pUpdated()));
+        connect(m_ui_pane_p.p1_x, SIGNAL(valueChanged(double)), this, SLOT(pUpdated()));
+        connect(m_ui_pane_p.p1_y, SIGNAL(valueChanged(double)), this, SLOT(pUpdated()));
+    }
+}
+
+void SegmentProperties::c1Updated()
+{
+    if (m_splineEditor && !m_blockSignals) {
+        QPointF c1(m_ui_pane_c1.p1_x->value(), m_ui_pane_c1.p1_y->value());
+        m_splineEditor->setControlPoint(m_segment * 3, c1);
+    }
+}
+
+void SegmentProperties::c2Updated()
+{
+    if (m_splineEditor && !m_blockSignals) {
+        QPointF c2(m_ui_pane_c2.p1_x->value(), m_ui_pane_c2.p1_y->value());
+        m_splineEditor->setControlPoint(m_segment * 3 + 1, c2);
+    }
+}
+
+void SegmentProperties::pUpdated()
+{
+    if (m_splineEditor && !m_blockSignals) {
+        QPointF p(m_ui_pane_p.p1_x->value(), m_ui_pane_p.p1_y->value());
+        bool smooth = m_ui_pane_p.smooth->isChecked();
+        m_splineEditor->setControlPoint(m_segment * 3 + 2, p);
+        m_splineEditor->setSmooth(m_segment, smooth);
+    }
+}
+
+void SegmentProperties::invalidate()
+{
+    m_blockSignals = true;
+
+     m_ui_pane_p.label->setText(QLatin1String("p") + QString::number(m_segment));
+     m_ui_pane_p.smooth->setChecked(m_smooth);
+     m_ui_pane_p.smooth->parentWidget()->setEnabled(!m_last);
+
+     m_ui_pane_c1.p1_x->setValue(m_points.at(0).x());
+     m_ui_pane_c1.p1_y->setValue(m_points.at(0).y());
+
+     m_ui_pane_c2.p1_x->setValue(m_points.at(1).x());
+     m_ui_pane_c2.p1_y->setValue(m_points.at(1).y());
+
+     m_ui_pane_p.p1_x->setValue(m_points.at(2).x());
+     m_ui_pane_p.p1_y->setValue(m_points.at(2).y());
+
+     m_blockSignals = false;
+}