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https://github.com/balloonwj/TeamTalk.git
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balloonwj
338 lines
11 KiB
C++
338 lines
11 KiB
C++
#include "StdAfx.h"
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#include "UISlider.h"
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namespace DuiLib
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{
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CSliderUI::CSliderUI() : m_uButtonState(0), m_nStep(1),m_bSendMove(false)
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{
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m_uTextStyle = DT_SINGLELINE | DT_CENTER;
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m_szThumb.cx = m_szThumb.cy = 10;
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}
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LPCTSTR CSliderUI::GetClass() const
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{
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return _T("SliderUI");
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}
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UINT CSliderUI::GetControlFlags() const
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{
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if( IsEnabled() ) return UIFLAG_SETCURSOR;
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else return 0;
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}
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LPVOID CSliderUI::GetInterface(LPCTSTR pstrName)
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{
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if( _tcscmp(pstrName, DUI_CTR_SLIDER) == 0 ) return static_cast<CSliderUI*>(this);
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return CProgressUI::GetInterface(pstrName);
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}
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void CSliderUI::SetEnabled(bool bEnable)
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{
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CControlUI::SetEnabled(bEnable);
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if( !IsEnabled() ) {
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m_uButtonState = 0;
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}
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}
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int CSliderUI::GetChangeStep()
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{
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return m_nStep;
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}
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void CSliderUI::SetChangeStep(int step)
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{
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m_nStep = step;
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}
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void CSliderUI::SetThumbSize(SIZE szXY)
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{
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m_szThumb = szXY;
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}
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RECT CSliderUI::GetThumbRect() const
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{
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if( m_bHorizontal ) {
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int left = m_rcItem.left + (m_rcItem.right - m_rcItem.left - m_szThumb.cx) * (m_nValue - m_nMin) / (m_nMax - m_nMin);
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int top = (m_rcItem.bottom + m_rcItem.top - m_szThumb.cy) / 2;
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return CDuiRect(left, top, left + m_szThumb.cx, top + m_szThumb.cy);
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}
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else {
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int left = (m_rcItem.right + m_rcItem.left - m_szThumb.cx) / 2;
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int top = m_rcItem.bottom - m_szThumb.cy - (m_rcItem.bottom - m_rcItem.top - m_szThumb.cy) * (m_nValue - m_nMin) / (m_nMax - m_nMin);
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return CDuiRect(left, top, left + m_szThumb.cx, top + m_szThumb.cy);
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}
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}
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LPCTSTR CSliderUI::GetThumbImage() const
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{
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return m_sThumbImage;
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}
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void CSliderUI::SetThumbImage(LPCTSTR pStrImage)
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{
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m_sThumbImage = pStrImage;
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Invalidate();
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}
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LPCTSTR CSliderUI::GetThumbHotImage() const
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{
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return m_sThumbHotImage;
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}
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void CSliderUI::SetThumbHotImage(LPCTSTR pStrImage)
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{
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m_sThumbHotImage = pStrImage;
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Invalidate();
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}
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LPCTSTR CSliderUI::GetThumbPushedImage() const
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{
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return m_sThumbPushedImage;
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}
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void CSliderUI::SetThumbPushedImage(LPCTSTR pStrImage)
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{
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m_sThumbPushedImage = pStrImage;
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Invalidate();
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}
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void CSliderUI::SetValue(int nValue) //2014.7.28 redrain 当鼠标正在滑动滑块时不会收到SetValue的影响，比如滑动改变音乐的进度，不会因为外部一直调用SetValue而让我们无法滑动滑块
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{
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if( (m_uButtonState & UISTATE_CAPTURED) != 0 )
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return;
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CProgressUI::SetValue(nValue);
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}
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void CSliderUI::DoEvent(TEventUI& event)
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{
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if( !IsMouseEnabled() && event.Type > UIEVENT__MOUSEBEGIN && event.Type < UIEVENT__MOUSEEND ) {
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if( m_pParent != NULL ) m_pParent->DoEvent(event);
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else CProgressUI::DoEvent(event);
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return;
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}
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if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK )
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{
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if( IsEnabled() ) {//2014.7.28 redrain 注释掉原来的代码，加上这些代码后可以让Slider不是在鼠标弹起时才改变滑块的位置
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m_uButtonState |= UISTATE_CAPTURED;
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int nValue;
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if( m_bHorizontal ) {
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if( event.ptMouse.x >= m_rcItem.right - m_szThumb.cx / 2 ) nValue = m_nMax;
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else if( event.ptMouse.x <= m_rcItem.left + m_szThumb.cx / 2 ) nValue = m_nMin;
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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);
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}
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else {
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if( event.ptMouse.y >= m_rcItem.bottom - m_szThumb.cy / 2 ) nValue = m_nMin;
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else if( event.ptMouse.y <= m_rcItem.top + m_szThumb.cy / 2 ) nValue = m_nMax;
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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);
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}
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if(m_nValue !=nValue && nValue>=m_nMin && nValue<=m_nMax)
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{
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m_nValue =nValue;
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Invalidate();
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}
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}
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return;
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}
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// if( event.Type == UIEVENT_BUTTONDOWN || event.Type == UIEVENT_DBLCLICK )
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// {
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// if( IsEnabled() ) {
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// RECT rcThumb = GetThumbRect();
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// if( ::PtInRect(&rcThumb, event.ptMouse) ) {
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// m_uButtonState |= UISTATE_CAPTURED;
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// }
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// }
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// return;
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// }
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if( event.Type == UIEVENT_BUTTONUP )
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{
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int nValue;
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if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) {
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m_uButtonState &= ~UISTATE_CAPTURED;
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}
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if( m_bHorizontal ) {
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if( event.ptMouse.x >= m_rcItem.right - m_szThumb.cx / 2 ) nValue = m_nMax;
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else if( event.ptMouse.x <= m_rcItem.left + m_szThumb.cx / 2 ) nValue = m_nMin;
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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);
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}
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else {
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if( event.ptMouse.y >= m_rcItem.bottom - m_szThumb.cy / 2 ) nValue = m_nMin;
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else if( event.ptMouse.y <= m_rcItem.top + m_szThumb.cy / 2 ) nValue = m_nMax;
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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);
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}
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if(/*m_nValue !=nValue && 2014.7.28 redrain 这个注释很关键，是他导致了鼠标拖动滑块无法发出DUI_MSGTYPE_VALUECHANGED消息*/nValue>=m_nMin && nValue<=m_nMax)
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{
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m_nValue =nValue;
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m_pManager->SendNotify(this, DUI_MSGTYPE_VALUECHANGED);
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Invalidate();
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}
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return;
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}
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if( event.Type == UIEVENT_CONTEXTMENU )
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{
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return;
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}
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if( event.Type == UIEVENT_SCROLLWHEEL )
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{
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switch( LOWORD(event.wParam) ) {
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case SB_LINEUP:
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SetValue(GetValue() + GetChangeStep());
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m_pManager->SendNotify(this, DUI_MSGTYPE_VALUECHANGED);
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return;
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case SB_LINEDOWN:
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SetValue(GetValue() - GetChangeStep());
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m_pManager->SendNotify(this, DUI_MSGTYPE_VALUECHANGED);
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return;
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}
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}
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if( event.Type == UIEVENT_MOUSEMOVE )
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{
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if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) {//2014.7.28 redrain 重写这个消息判断让Slider发出DUI_MSGTYPE_VALUECHANGED_MOVE消息，让他在滑动过程也发出消息，比如用在改变音量时，一边滑动就可以一边改变音量
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if( m_bHorizontal ) {
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if( event.ptMouse.x >= m_rcItem.right - m_szThumb.cx / 2 ) m_nValue = m_nMax;
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else if( event.ptMouse.x <= m_rcItem.left + m_szThumb.cx / 2 ) m_nValue = m_nMin;
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else m_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);
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}
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else {
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if( event.ptMouse.y >= m_rcItem.bottom - m_szThumb.cy / 2 ) m_nValue = m_nMin;
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else if( event.ptMouse.y <= m_rcItem.top + m_szThumb.cy / 2 ) m_nValue = m_nMax;
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else m_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);
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}
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if (m_bSendMove)
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m_pManager->SendNotify(this, DUI_MSGTYPE_VALUECHANGED_MOVE);
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Invalidate();
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}
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// Generate the appropriate mouse messages
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POINT pt = event.ptMouse;
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RECT rcThumb = GetThumbRect();
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if( IsEnabled() && ::PtInRect(&rcThumb, event.ptMouse) ) {
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m_uButtonState |= UISTATE_HOT;
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Invalidate();
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}else
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{
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m_uButtonState &= ~UISTATE_HOT;
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Invalidate();
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}
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return;
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}
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// if( event.Type == UIEVENT_MOUSEMOVE )
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// {
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// if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) {
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// if( m_bHorizontal ) {
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// if( event.ptMouse.x >= m_rcItem.right - m_szThumb.cx / 2 ) m_nValue = m_nMax;
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// else if( event.ptMouse.x <= m_rcItem.left + m_szThumb.cx / 2 ) m_nValue = m_nMin;
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// else m_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);
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// }
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// else {
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// if( event.ptMouse.y >= m_rcItem.bottom - m_szThumb.cy / 2 ) m_nValue = m_nMin;
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// else if( event.ptMouse.y <= m_rcItem.top + m_szThumb.cy / 2 ) m_nValue = m_nMax;
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// else m_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);
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// }
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// Invalidate();
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// }
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// return;
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// }
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if( event.Type == UIEVENT_SETCURSOR )
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{
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RECT rcThumb = GetThumbRect();
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if( IsEnabled()) {
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::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_HAND)));
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return;
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}
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}
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// if( event.Type == UIEVENT_SETCURSOR )
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// {
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// RECT rcThumb = GetThumbRect();
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// if( IsEnabled() && ::PtInRect(&rcThumb, event.ptMouse) ) {
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// ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_HAND)));
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// return;
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// }
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// }
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if( event.Type == UIEVENT_MOUSEENTER )
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{//2014.7.28 redrain 只有鼠标在滑块的范围内才变为UISTATE_HOT
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// if( IsEnabled() ) {
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// m_uButtonState |= UISTATE_HOT;
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// Invalidate();
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// }
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// return;
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}
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if( event.Type == UIEVENT_MOUSELEAVE )
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{
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if( IsEnabled() ) {
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m_uButtonState &= ~UISTATE_HOT;
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Invalidate();
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}
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return;
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}
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CControlUI::DoEvent(event);
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}
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void CSliderUI::SetCanSendMove(bool bCanSend) //2014.7.28 redrain
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{
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m_bSendMove = bCanSend;
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}
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bool CSliderUI::GetCanSendMove() const //2014.7.28 redrain
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{
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return m_bSendMove;
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}
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void CSliderUI::SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue)
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{
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if( _tcscmp(pstrName, _T("thumbimage")) == 0 ) SetThumbImage(pstrValue);
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else if( _tcscmp(pstrName, _T("thumbhotimage")) == 0 ) SetThumbHotImage(pstrValue);
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else if( _tcscmp(pstrName, _T("thumbpushedimage")) == 0 ) SetThumbPushedImage(pstrValue);
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else if( _tcscmp(pstrName, _T("thumbsize")) == 0 ) {
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SIZE szXY = {0};
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LPTSTR pstr = NULL;
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szXY.cx = _tcstol(pstrValue, &pstr, 10); ASSERT(pstr);
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szXY.cy = _tcstol(pstr + 1, &pstr, 10); ASSERT(pstr);
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SetThumbSize(szXY);
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}
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else if( _tcscmp(pstrName, _T("step")) == 0 ) {
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SetChangeStep(_ttoi(pstrValue));
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}
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else if( _tcscmp(pstrName, _T("sendmove")) == 0 ) {
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SetCanSendMove(_tcscmp(pstrValue, _T("true")) == 0);
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}
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else CProgressUI::SetAttribute(pstrName, pstrValue);
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}
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void CSliderUI::PaintStatusImage(HDC hDC)
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{
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CProgressUI::PaintStatusImage(hDC);
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RECT rcThumb = GetThumbRect();
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rcThumb.left -= m_rcItem.left;
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rcThumb.top -= m_rcItem.top;
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rcThumb.right -= m_rcItem.left;
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rcThumb.bottom -= m_rcItem.top;
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if( (m_uButtonState & UISTATE_CAPTURED) != 0 ) {
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if( !m_sThumbPushedImage.IsEmpty() ) {
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m_sImageModify.Empty();
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m_sImageModify.SmallFormat(_T("dest='%d,%d,%d,%d'"), rcThumb.left, rcThumb.top, rcThumb.right, rcThumb.bottom);
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if( !DrawImage(hDC, (LPCTSTR)m_sThumbPushedImage, (LPCTSTR)m_sImageModify) ) m_sThumbPushedImage.Empty();
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else return;
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}
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}
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else if( (m_uButtonState & UISTATE_HOT) != 0 ) {
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if( !m_sThumbHotImage.IsEmpty() ) {
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m_sImageModify.Empty();
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m_sImageModify.SmallFormat(_T("dest='%d,%d,%d,%d'"), rcThumb.left, rcThumb.top, rcThumb.right, rcThumb.bottom);
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if( !DrawImage(hDC, (LPCTSTR)m_sThumbHotImage, (LPCTSTR)m_sImageModify) ) m_sThumbHotImage.Empty();
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else return;
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}
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}
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if( !m_sThumbImage.IsEmpty() ) {
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m_sImageModify.Empty();
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m_sImageModify.SmallFormat(_T("dest='%d,%d,%d,%d'"), rcThumb.left, rcThumb.top, rcThumb.right, rcThumb.bottom);
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if( !DrawImage(hDC, (LPCTSTR)m_sThumbImage, (LPCTSTR)m_sImageModify) ) m_sThumbImage.Empty();
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else return;
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}
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}
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}
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