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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Gesture helper constant definitions |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef _GESTUREDEFS_H_ |
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20 #define _GESTUREDEFS_H |
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21 |
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22 #include <e32std.h> /// @todo check this is correct |
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23 |
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24 namespace RT_GestureHelper |
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25 { |
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26 |
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27 /// time to hold the stylus in the same position to activate holding |
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28 const TInt KHoldDuration = 500000; // microseconds |
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29 |
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30 /// time to tap again for the second tap to be a double tap |
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31 const TInt KMaxDoubleTapDuration = 400000; // microseconds |
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32 |
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33 /// time in which speed becomes zero if user stops stylus movement before |
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34 /// lifting the pointer |
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35 const TInt KSpeedStopTime = 150000; // microseconds |
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36 |
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37 /// tolerance in degrees to either side of an angle, for direction to be the |
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38 /// same as reference angle |
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39 const TReal KAngleTolerance = 25; |
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40 |
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41 /// Nth pointer event before the latest point |
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42 const TInt KPreviousPointOffset = 3; |
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43 |
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44 /// Tolerance for ignoring small movements, percent of longer screen edge |
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45 const TInt KGestureTolerancePercent = 2; // of 100 |
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46 |
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47 const TInt KFingerSize_mm = 8; |
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48 |
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49 const TInt KTwipsInInch = 1440; |
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50 |
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51 const TReal KTwipsInMm = 56.7; |
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52 |
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53 const TInt KMaxTapDuration = 300000; //microseconds |
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54 |
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55 const TInt KFlickSpeed = 500; |
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56 |
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57 const TInt KDoubleTapMaxActivationInterval = 500000; // 500 ms |
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58 |
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59 const TInt KDoubleTapMinActivationInterval = 40000; // 40 ms |
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60 |
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61 const TInt KDoubleTapIdleInterval = 700000; // 700 ms, to prevent triple-tap effects |
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62 |
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63 const TInt KLongTapDuration = 2000000; //2 sec |
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64 |
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65 const TInt KMinTimeBetweenDrags = 20000; // 20 ms |
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66 /** |
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67 * Panic codes |
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68 */ |
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69 enum TGesturePanic |
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70 { |
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71 EGesturePanicIllegalLogic |
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72 }; |
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73 |
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74 /** Panics the thread */ |
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75 inline void Panic( TGesturePanic aReason ) |
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76 { |
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77 _LIT( KComponentName, "GestureHelper" ); |
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78 User::Panic( KComponentName, aReason ); |
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79 } |
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80 |
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81 } // namespace GestureHelper |
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82 |
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83 #endif // _GESTUREDEFS_H |