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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SLIDINGSTACKWIDGET_H
#define SLIDINGSTACKWIDGET_H
#include <QDebug>
#include <QEasingCurve>
#include <QParallelAnimationGroup>
#include <QPropertyAnimation>
#include <QStackedWidget>
#include <QWidget>
/*
* SlidingStackWidget allows smooth side shifting of widgets,
* in addition to the hard switching from one to another offered
* by QStackedWidget.
*/
class SlidingStackWidget : public QStackedWidget
{
Q_OBJECT
public:
// Defines the animation direction.
enum AnimationDirection {
LEFT_TO_RIGHT,
RIGHT_TO_LEFT,
AUTOMATIC
};
SlidingStackWidget(QWidget *parent);
~SlidingStackWidget();
public slots:
// Move to the next widget.
void slideInNext();
// Move to the previous widget.
void slideInPrevious();
// Move to a widget by index.
void slideInIndex(int index, enum AnimationDirection direction = AnimationDirection::AUTOMATIC);
int getWidgetIndex(QWidget *widget);
signals:
// Internal signal to alert the engine for the animation's end.
void animationFinished();
protected slots:
// Internal slot to handle the end of the animation.
void onAnimationFinished();
protected:
// The method that does the main work for the widget transition.
void slideInWidget(QWidget *widget, enum AnimationDirection direction = AnimationDirection::AUTOMATIC);
// Indicates whether or not the animation is active.
bool active_;
// The widget currently displayed.
QWidget *window_;
// The speed of the animation in milliseconds.
int speed_;
// The animation type.
enum QEasingCurve::Type animation_type_;
// Current widget's index.
int now_;
// Reference point.
QPoint current_position_;
// Next widget's to show index.
int next_;
};
#endif // SLIDINGSTACKWIDGET_H
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