Qt 4.8
qabstractslider_p.h
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41 
42 #ifndef QABSTRACTSLIDER_P_H
43 #define QABSTRACTSLIDER_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "QtCore/qbasictimer.h"
57 #include "QtCore/qelapsedtimer.h"
58 #include "private/qwidget_p.h"
59 #include "qstyle.h"
60 
62 
64 {
66 public:
69 
70  void setSteps(int single, int page);
71 
73 
78 
86 
90 
91 #ifdef QT_KEYPAD_NAVIGATION
92  int origValue;
93 
96  bool isAutoRepeating;
97 
102  qreal repeatMultiplier;
103 
107  QElapsedTimer firstRepeat;
108 
109 #endif
110 
111  inline int effectiveSingleStep() const
112  {
113  return singleStep
114 #ifdef QT_KEYPAD_NAVIGATION
115  * repeatMultiplier
116 #endif
117  ;
118  }
119 
120  virtual int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }
121  inline int overflowSafeAdd(int add) const
122  {
123  int newValue = value + add;
124  if (add > 0 && newValue < value)
125  newValue = maximum;
126  else if (add < 0 && newValue > value)
127  newValue = minimum;
128  return newValue;
129  }
130  inline void setAdjustedSliderPosition(int position)
131  {
133  if (q->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, q)) {
134  if ((position > pressValue - 2 * pageStep) && (position < pressValue + 2 * pageStep)) {
135  repeatAction = QAbstractSlider::SliderNoAction;
136  q->setSliderPosition(pressValue);
137  return;
138  }
139  }
140  q->triggerAction(repeatAction);
141  }
142  bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);
143 };
144 
146 
147 #endif // QABSTRACTSLIDER_P_H
double qreal
Definition: qglobal.h:1193
Q_DECL_CONSTEXPR const T & qMin(const T &a, const T &b)
Definition: qglobal.h:1215
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta)
#define add(aName)
void setAdjustedSliderPosition(int position)
The QElapsedTimer class provides a fast way to calculate elapsed times.
Definition: qelapsedtimer.h:53
Q_DECL_CONSTEXPR const T & qMax(const T &a, const T &b)
Definition: qglobal.h:1217
#define Q_Q(Class)
Definition: qglobal.h:2483
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
int overflowSafeAdd(int add) const
unsigned int uint
Definition: qglobal.h:996
QAbstractSlider::SliderAction repeatAction
#define Q_DECLARE_PUBLIC(Class)
Definition: qglobal.h:2477
The QAbstractSlider class provides an integer value within a range.
virtual int bound(int val) const
The QBasicTimer class provides timer events for objects.
Definition: qbasictimer.h:55
Qt::Orientation orientation
Orientation
Definition: qnamespace.h:174
void setSteps(int single, int page)