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| |
| #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 |