//绘画子项
VOID CServerItemView::DrawTreeItem(CDC * pDC, CRect & rcClient, CRect & rcClipBox)
{
//首项判断
HTREEITEM hItemCurrent=GetFirstVisibleItem();
if (hItemCurrent==NULL) return;
//获取属性
UINT uTreeStyte=GetWindowLong(m_hWnd,GWL_STYLE);
////获取对象
//ASSERT(CSkinRenderManager::GetInstance()!=NULL);
//CSkinRenderManager * pSkinRenderManager=CSkinRenderManager::GetInstance();
//绘画子项
do
{
//变量定义
CRect rcItem;
CRect rcRect;
//获取状态
HTREEITEM hParent=GetParentItem(hItemCurrent);
UINT uItemState=GetItemState(hItemCurrent,TVIF_STATE);
//获取属性
bool bDrawChildren=(ItemHasChildren(hItemCurrent)==TRUE);
bool bDrawSelected=(uItemState&TVIS_SELECTED)&&((this==GetFocus())||(uTreeStyte&TVS_SHOWSELALWAYS));
//获取区域
if (GetItemRect(hItemCurrent,rcItem,TRUE))
{
//绘画过滤
if (rcItem.top>=rcClient.bottom)
break;
if (rcItem.top>=rcClipBox.bottom)
continue;
//设置位置
rcRect.left=0;
rcRect.top=rcItem.top+1;
rcRect.bottom=rcItem.bottom;
rcRect.right=rcClient.Width();
//绘画选择
if (bDrawSelected==true)
{
pDC->FillSolidRect(&rcRect,RGB(253,231,161));
}
//绘画经过
if ((bDrawSelected==false)&&(m_hItemMouseHover==hItemCurrent))
{
pDC->FillSolidRect(&rcRect,RGB(157,182,249));
}
//绘制箭头
if (bDrawChildren==true)
{
//计算位置
INT nXPos=rcItem.left-m_ImageArrow.GetWidth()/2-25;
INT nYPos=rcItem.top+1+(rcItem.Height()-m_ImageArrow.GetHeight())/2;
//绘画图标
INT nIndex=(uItemState&TVIS_EXPANDED)?1L:0L;
m_ImageArrow.DrawImage(pDC,nXPos,nYPos,m_ImageArrow.GetWidth()/2,m_ImageArrow.GetHeight(),nIndex*m_ImageArrow.GetWidth()/2,0);
}
//绘制列表
DrawListImage(pDC,rcItem,hItemCurrent);
rcItem.right+=20;
//绘制文本
DrawItemString(pDC,rcItem,hItemCurrent,bDrawSelected);
}
} while ((hItemCurrent=GetNextVisibleItem(hItemCurrent))!= NULL);
return;
}
VOID CEasySkinTreeCtrl::DrawTreeItem( CDC * pDC, CRect & rcClient, CRect & rcClipBox )
{
//首项判断
HTREEITEM hItemCurrent=GetFirstVisibleItem();
if (hItemCurrent==NULL) return;
//获取属性
UINT uTreeStyte = GetStyle();
//绘画子项
do
{
//变量定义
CRect rcItem;
CRect rcRect;
//获取状态
HTREEITEM hParent=GetParentItem(hItemCurrent);
UINT uItemState=GetItemState(hItemCurrent,TVIF_STATE);
//获取属性
bool bDrawChildren=(ItemHasChildren(hItemCurrent)==TRUE);
bool bDrawSelected=(uItemState&TVIS_SELECTED)&&((this==GetFocus())||(uTreeStyte&TVS_SHOWSELALWAYS));
//获取区域
if (GetItemRect(hItemCurrent,rcItem,TRUE))
{
//绘画过滤
if (rcItem.top>=rcClient.bottom) break;
if (rcItem.top>=rcClipBox.bottom) continue;
//设置位置
rcRect.left=0;
rcRect.top=rcItem.top+1;
rcRect.bottom=rcItem.bottom;
rcRect.right=rcClient.Width();
//绘画选择
if (bDrawSelected)
{
if (m_pPressImg != NULL && !m_pPressImg->IsNull())
m_pPressImg->Draw(pDC,rcRect);
else
pDC->FillSolidRect(&rcRect,m_colPress);
}
//绘画经过
if ((bDrawSelected==false)&&(m_hItemMouseHover==hItemCurrent))
{
if (m_pHovenImg != NULL && !m_pHovenImg->IsNull())
m_pHovenImg->Draw(pDC,rcRect);
else
pDC->FillSolidRect(&rcRect,m_colHoven);
}
//绘制箭头
if (bDrawChildren && (uTreeStyte&TVS_HASBUTTONS) )
{
if (m_pImageButton != NULL && !m_pImageButton->IsNull())
{
//计算位置
INT nXPos=rcItem.left-m_pImageButton->GetWidth()/2;
INT nYPos=rcItem.top+1+(rcItem.Height()-m_pImageButton->GetHeight())/2;
//绘画图标
INT nIndex=(uItemState&TVIS_EXPANDED)?1L:0L;
m_pImageButton->DrawImage(pDC,nXPos,nYPos,m_pImageButton->GetWidth()/2,m_pImageButton->GetHeight(),nIndex*m_pImageButton->GetWidth()/2,0);
rcItem.left += m_pImageButton->GetWidth();
rcItem.right += m_pImageButton->GetWidth();;
}
}
//绘制列表
DrawListImage(pDC,rcItem,hItemCurrent,bDrawSelected);
//绘制文本
DrawItemString(pDC,rcItem,hItemCurrent,bDrawSelected);
}
} while ((hItemCurrent=GetNextVisibleItem(hItemCurrent))!= NULL);
}
