Unify qmleasing and easingcurveeditor

Keeping the name qmleasing, but most of the code from easingcurveeditor.
easingcurveeditor had more UI and functionality, as qmleasing could only
import AfterEffects curves. That functionality has now been added to
easingcurveeditor.

Change-Id: Iac1a004f13fe33a18449af1b08bd22138d525322
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Christopher Adams <chris.adams@jollamobile.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/tools/qmleasing/splineeditor.h b/tools/qmleasing/splineeditor.h
new file mode 100644
index 0000000000..301fa1c0d2
--- /dev/null
+++ b/tools/qmleasing/splineeditor.h
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SPLINEEDITOR_H
+#define SPLINEEDITOR_H
+
+#include <QWidget>
+#include <QMenu>
+#include <QAction>
+#include <QScrollArea>
+
+#include <QEasingCurve>
+#include <QHash>
+
+class SegmentProperties;
+
+class SplineEditor : public QWidget
+{
+    Q_OBJECT
+
+     Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve NOTIFY easingCurveChanged);
+
+public:
+    explicit SplineEditor(QWidget *parent = 0);
+    QString generateCode();
+    QStringList presetNames() const;
+    QWidget *pointListWidget();
+
+    void setControlPoint(int index, const QPointF &point)
+    {
+        m_controlPoints[index] = point;
+        update();
+    }
+
+    void setSmooth(int index, bool smooth)
+    {
+        m_smoothAction->setChecked(smooth);
+        smoothPoint(index * 3 + 2);
+        //update();
+    }
+
+signals:
+    void easingCurveChanged();
+    void easingCurveCodeChanged(const QString &code);
+
+
+public slots:
+    void setEasingCurve(const QEasingCurve &easingCurve);
+    void setPreset(const QString &name);
+    void setEasingCurve(const QString &code);
+
+protected:
+    void paintEvent(QPaintEvent *);
+    void mousePressEvent(QMouseEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void mouseReleaseEvent(QMouseEvent *);
+    void contextMenuEvent(QContextMenuEvent *);
+
+    void invalidate();
+    void invalidateSmoothList();
+    void invalidateSegmentProperties();
+
+    QEasingCurve easingCurve() const
+    { return m_easingCurve; }
+
+    QHash<QString, QEasingCurve> presets() const;
+
+private:
+    int findControlPoint(const QPoint &point);
+    bool isSmooth(int i) const;
+
+    void smoothPoint( int index);
+    void cornerPoint( int index);
+    void deletePoint(int index);
+    void addPoint(const QPointF point);
+
+    void initPresets();
+
+    void setupPointListWidget();
+
+    bool isControlPointSmooth(int i) const;
+
+    QEasingCurve m_easingCurve;
+    QVector<QPointF> m_controlPoints;
+    QVector<bool> m_smoothList;
+    int m_numberOfSegments;
+    int m_activeControlPoint;
+    bool m_mouseDrag;
+    QPoint m_mousePress;
+    QHash<QString, QEasingCurve> m_presets;
+
+    QMenu *m_pointContextMenu;
+    QMenu *m_curveContextMenu;
+    QAction *m_deleteAction;
+    QAction *m_smoothAction;
+    QAction *m_cornerAction;
+    QAction *m_addPoint;
+
+    QScrollArea *m_pointListWidget;
+
+    QList<SegmentProperties*> m_segmentProperties;
+    bool m_block;
+};
+
+#endif // SPLINEEDITOR_H