void CGUISliderControl::Move(int iNumSteps)
{
bool rangeSwap = false;
switch (m_iType)
{
case SLIDER_CONTROL_TYPE_FLOAT:
{
float &value = m_floatValues[m_currentSelector];
value += m_fInterval * iNumSteps;
if (value < m_fStart) value = m_fStart;
if (value > m_fEnd) value = m_fEnd;
if (m_floatValues[0] > m_floatValues[1])
{
float valueLower = m_floatValues[0];
m_floatValues[0] = m_floatValues[1];
m_floatValues[1] = valueLower;
rangeSwap = true;
}
break;
}
case SLIDER_CONTROL_TYPE_INT:
{
int &value = m_intValues[m_currentSelector];
value += m_iInterval * iNumSteps;
if (value < m_iStart) value = m_iStart;
if (value > m_iEnd) value = m_iEnd;
if (m_intValues[0] > m_intValues[1])
{
int valueLower = m_intValues[0];
m_intValues[0] = m_intValues[1];
m_intValues[1] = valueLower;
rangeSwap = true;
}
break;
}
case SLIDER_CONTROL_TYPE_PERCENTAGE:
default:
{
float &value = m_percentValues[m_currentSelector];
value += m_iInterval * iNumSteps;
if (value < 0) value = 0;
if (value > 100) value = 100;
if (m_percentValues[0] > m_percentValues[1])
{
float valueLower = m_percentValues[0];
m_percentValues[0] = m_percentValues[1];
m_percentValues[1] = valueLower;
rangeSwap = true;
}
break;
}
}
if (rangeSwap)
SwitchRangeSelector();
SendClick();
}
// 发送单击鼠标消息，根据按钮坐标位置
void CMsgHelper::SM_Click(HWND hMainWnd, int x, int y)
{
::SetForegroundWindow(hMainWnd);
RECT rc;
::GetWindowRect(hMainWnd, &rc);
int xx = rc.left + x;
int yy = rc.top + y;
SendClick(xx, yy);
}
void CGUISliderControl::SetFromPosition(const CPoint &point, bool guessSelector /* = false */)
{
float fPercent;
if (m_orientation == HORIZONTAL)
fPercent = (point.x - m_guiBackground.GetXPosition()) / m_guiBackground.GetWidth();
else
fPercent = (m_guiBackground.GetYPosition() + m_guiBackground.GetHeight() - point.y) / m_guiBackground.GetHeight();
if (fPercent < 0) fPercent = 0;
if (fPercent > 1) fPercent = 1;
if (m_rangeSelection && guessSelector)
{
// choose selector which value is closer to value calculated from position
if (fabs(GetPercentage(RangeSelectorLower) - 100 * fPercent) <= fabs(GetPercentage(RangeSelectorUpper) - 100 * fPercent))
m_currentSelector = RangeSelectorLower;
else
m_currentSelector = RangeSelectorUpper;
}
switch (m_iType)
{
case SLIDER_CONTROL_TYPE_FLOAT:
{
float fValue = m_fStart + (m_fEnd - m_fStart) * fPercent;
SetFloatValue(fValue, m_currentSelector, true);
break;
}
case SLIDER_CONTROL_TYPE_INT:
{
int iValue = (int)(m_iStart + (float)(m_iEnd - m_iStart) * fPercent + 0.49f);
SetIntValue(iValue, m_currentSelector, true);
break;
}
case SLIDER_CONTROL_TYPE_PERCENTAGE:
default:
{
SetPercentage(fPercent * 100, m_currentSelector, true);
break;
}
}
SendClick();
}
void CGUISliderControl::SetFromPosition(const CPoint &point)
{
float fPercent = (point.x - m_guiBackground.GetXPosition()) / m_guiBackground.GetWidth();
if (fPercent < 0) fPercent = 0;
if (fPercent > 1) fPercent = 1;
switch (m_iType)
{
case SPIN_CONTROL_TYPE_FLOAT:
m_fValue = m_fStart + (m_fEnd - m_fStart) * fPercent;
break;
case SPIN_CONTROL_TYPE_INT:
m_iValue = (int)(m_iStart + (float)(m_iEnd - m_iStart) * fPercent + 0.49f);
break;
default:
m_iPercent = (int)(fPercent * 100 + 0.49f);
break;
}
SendClick();
}
void CGUISliderControl::Move(int iNumSteps)
{
switch (m_iType)
{
case SPIN_CONTROL_TYPE_FLOAT:
m_fValue += m_fInterval * iNumSteps;
if (m_fValue < m_fStart) m_fValue = m_fStart;
if (m_fValue > m_fEnd) m_fValue = m_fEnd;
break;
case SPIN_CONTROL_TYPE_INT:
m_iValue += m_iInterval * iNumSteps;
if (m_iValue < m_iStart) m_iValue = m_iStart;
if (m_iValue > m_iEnd) m_iValue = m_iEnd;
break;
default:
m_iPercent += m_iInterval * iNumSteps;
if (m_iPercent < 0) m_iPercent = 0;
if (m_iPercent > 100) m_iPercent = 100;
break;
}
SendClick();
}
