/**************************************************************************** ** ** Copyright (C) 2016 Research In Motion. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:COMM$ ** ** 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. ** ** $QT_END_LICENSE$ ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ****************************************************************************/ #ifndef QQUICKFLICKABLEBEHAVIOR_H #define QQUICKFLICKABLEBEHAVIOR_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // /* ### Platform specific flickable mechanics are defined either here, or in mkspec files. Long-term (QtQuick 3) Flickable needs to allow such mechanic details to be controlled via QML so that platforms can easily load custom behavior at QML compile time. */ // The maximum number of pixels a flick can overshoot #ifndef QML_FLICK_OVERSHOOT #define QML_FLICK_OVERSHOOT 150 #endif // The number of samples to use in calculating the velocity of a flick #ifndef QML_FLICK_SAMPLEBUFFER #define QML_FLICK_SAMPLEBUFFER 3 #endif // The number of samples to discard when calculating the flick velocity. // Touch panels often produce inaccurate results as the finger is lifted. #ifndef QML_FLICK_DISCARDSAMPLES #define QML_FLICK_DISCARDSAMPLES 0 #endif // The default maximum velocity of a flick. #ifndef QML_FLICK_DEFAULTMAXVELOCITY # define QML_FLICK_DEFAULTMAXVELOCITY 2500 #endif // The default deceleration of a flick. #ifndef QML_FLICK_DEFAULTDECELERATION # define QML_FLICK_DEFAULTDECELERATION 1500 #endif // How much faster to decelerate when overshooting #ifndef QML_FLICK_OVERSHOOTFRICTION #define QML_FLICK_OVERSHOOTFRICTION 8 #endif // Multiflick acceleration minimum flick velocity threshold #ifndef QML_FLICK_MULTIFLICK_THRESHOLD #define QML_FLICK_MULTIFLICK_THRESHOLD 1250 #endif // If the time (ms) between the last move and the release exceeds this, then velocity will be zero. #ifndef QML_FLICK_VELOCITY_DECAY_TIME #define QML_FLICK_VELOCITY_DECAY_TIME 50 #endif // Multiflick acceleration minimum contentSize/viewSize ratio #ifndef QML_FLICK_MULTIFLICK_RATIO #define QML_FLICK_MULTIFLICK_RATIO 10 #endif // Multiflick acceleration maximum velocity multiplier #ifndef QML_FLICK_MULTIFLICK_MAXBOOST #define QML_FLICK_MULTIFLICK_MAXBOOST 3.0 #endif #endif //QQUICKFLICKABLEBEHAVIOR_H