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template <class DataType, class Cv>
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class WithSpin : public EditMinMax<DataType, Cv>
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{
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public:
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virtual void MouseWheel(Point p, int zdelta, dword keyflags);
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virtual bool Key(dword key, int repcnt);
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protected:
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void Inc();
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void Dec();
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void Init();
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private:
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SpinButtons sb;
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DataType inc;
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typedef WithSpin CLASSNAME;
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public:
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WithSpin& SetInc(DataType _inc = 1) { inc = _inc; return *this; }
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DataType GetInc() const { return inc; }
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WithSpin& OnSides(bool b = true) { sb.OnSides(b); return *this; }
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bool IsOnSides() const { return sb.IsOnSides(); }
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WithSpin& ShowSpin(bool s = true) { sb.Show(s); return *this; }
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bool IsSpinVisible() const { return sb.IsVisible(); }
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SpinButtons& SpinButtonsObject() { return sb; }
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const SpinButtons& SpinButtonsObject() const { return sb; }
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WithSpin();
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WithSpin(DataType inc);
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WithSpin(DataType min, DataType max, DataType inc);
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virtual ~WithSpin();
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};
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template <class DataType, class Cv>
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WithSpin<DataType, Cv>::WithSpin() : inc(1) { Init(); }
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template <class DataType, class Cv>
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WithSpin<DataType, Cv>::WithSpin(DataType inc) : inc(inc) { Init(); }
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template <class DataType, class Cv>
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WithSpin<DataType, Cv>::WithSpin(DataType min, DataType max, DataType inc) : EditValue<DataType, Cv>(min, max), inc(inc) { Init(); }
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template <class DataType, class Cv>
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WithSpin<DataType, Cv>::~WithSpin() {}
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template <class DataType, class Cv>
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void WithSpin<DataType, Cv>::Init()
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{
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Ctrl::AddFrame(sb);
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sb.inc.WhenRepeat = sb.inc.WhenAction = THISBACK(Inc);
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sb.dec.WhenRepeat = sb.dec.WhenAction = THISBACK(Dec);
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}
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template <class DataType, class Cv>
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void WithSpin<DataType, Cv>::Inc()
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{
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if(Ctrl::IsReadOnly())
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{
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BeepExclamation();
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return;
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}
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DataType d = EditMinMax<DataType, Cv>::GetData();
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if(!IsNull(d))
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{
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d = (floor(d / inc + 1e-3) + 1) * inc;
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if(IsNull(Cv::GetMax()) || d <= Cv::GetMax())
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{
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EditMinMax<DataType, Cv>::SetData(d);
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Ctrl::Action();
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}
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}
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else if(Cv::minval != DOUBLE_NULL_LIM)
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EditMinMax<DataType, Cv>::SetData(Cv::minval);
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Ctrl::SetFocus();
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}
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template <class DataType, class Cv>
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void WithSpin<DataType, Cv>::Dec()
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{
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if(Ctrl::IsReadOnly())
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{
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BeepExclamation();
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return;
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}
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DataType d = EditMinMax<DataType, Cv>::GetData();
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if(!IsNull(d))
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{
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d = (ceil(d / inc - 1e-3) - 1) * inc;
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if(IsNull(Cv::GetMin()) || d >= Cv::GetMin())
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{
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EditMinMax<DataType, Cv>::SetData(d);
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Ctrl::Action();
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}
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}
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else if(Cv::maxval != -DOUBLE_NULL_LIM)
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EditMinMax<DataType, Cv>::SetData(Cv::maxval);
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Ctrl::SetFocus();
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}
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template <class DataType, class Cv>
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bool WithSpin<DataType, Cv>::Key(dword key, int repcnt)
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{
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if(key == K_UP) { Inc(); return true; }
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if(key == K_DOWN) { Dec(); return true; }
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return EditMinMax<DataType, Cv>::Key(key, repcnt);
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}
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template <class DataType, class Cv>
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void WithSpin<DataType, Cv>::MouseWheel(Point, int zdelta, dword)
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{
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if(zdelta < 0)
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Dec();
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else
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Inc();
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}
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typedef WithSpin<int, ConvertInt> EditIntSpin;
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120
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typedef WithSpin<int64, ConvertInt64> EditInt64Spin;
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121
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typedef WithSpin<double, ConvertDouble> EditDoubleSpin;
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