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