???duilib??UISlider?????4??Bug
???????????? ???????[ 2014/11/13 15:36:50 ] ??????????????? ??????
????????2??????
???????CSliderUI?????λ??????????????????λ????????????????????????????????????????UIEVENT_BUTTONDOWN?????????????????????????
if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK )
{
if( IsEnabled() ) {
RECT rcThumb = GetThumbRect();
if( ::PtInRect(&rcThumb?? event.ptMouse) ) {
m_uButtonState |= UISTATE_CAPTURED;
}
}
return;
}
????????????????????????????????????????????????????????????£?
if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK )
{
if( IsEnabled() ) {//2014.7.28 redrain ???????????????????Щ??????????Slider???????????????們???λ??
m_uButtonState |= UISTATE_CAPTURED;
int nValue;
if( m_bHorizontal ) {
if( event.ptMouse.x >= m_rcItem.right - m_szThumb.cx / 2 ) nValue = m_nMax;
else if( event.ptMouse.x <= m_rcItem.left + m_szThumb.cx / 2 ) nValue = m_nMin;
else nValue = m_nMin + (m_nMax - m_nMin) * (event.ptMouse.x - m_rcItem.left - m_szThumb.cx / 2 ) / (m_rcItem.right - m_rcItem.left - m_szThumb.cx);
}
else {
if( event.ptMouse.y >= m_rcItem.bottom - m_szThumb.cy / 2 ) nValue = m_nMin;
else if( event.ptMouse.y <= m_rcItem.top + m_szThumb.cy / 2 ) nValue = m_nMax;
else nValue = m_nMin + (m_nMax - m_nMin) * (m_rcItem.bottom - event.ptMouse.y - m_szThumb.cy / 2 ) / (m_rcItem.bottom - m_rcItem.top - m_szThumb.cy);
}
if(m_nValue !=nValue && nValue>=m_nMin && nValue<=m_nMax)
{
m_nValue =nValue;
Invalidate();
}
}
return;
}
????????3??????
????????д?????????SetValue??????們???λ?????????????????????????????????????????????????????????????????????????Slider??m_nValue??????????????????????PaintStatusImage?????????????????????m_nValue??????????????????λ?á????????????????????????????????????SetValue??????????????????????????m_nValue??????????????????????????????????????д??????????????????????????SetValue????????????λ?á?
???????SetValue?????????д???????????????
????void CSliderUI::SetValue(int nValue)
????{
????if( (m_uButtonState & UISTATE_CAPTURED) != 0 )
????return;
????CProgressUI::SetValue(nValue);
????}
??????
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