// 鼠标坐标变换
BOOL CDuiPanel::OnMousePointChange(CPoint& point)
{
if(m_pDuiPluginObject)
{
return m_pDuiPluginObject->OnMousePointChange(point);
}
if(m_bEnableScroll && ((m_nVirtualHeight > m_rc.Height()) || (m_nVirtualWidth > m_rc.Width())))
{
// 计算显示位置
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPosV = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeV = pScrollV->GetScrollMaxRange();
int nVirtualTop = (nMaxRangeV > 0) ? nCurPosV*(m_nVirtualHeight-m_rc.Height())/nMaxRangeV : 0; // 当前显示的是虚拟图片中什么位置开始的图片
CDuiScrollHorizontal* pScrollH = (CDuiScrollHorizontal*)m_pControScrollH;
int nCurPosH = pScrollH->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeH = pScrollH->GetScrollMaxRange();
int nVirtualLeft = (nMaxRangeH > 0) ? nCurPosH*(m_nVirtualWidth-m_rc.Width())/nMaxRangeH : 0; // 当前显示的是虚拟图片中什么位置开始的图片
point.Offset(nVirtualLeft, nVirtualTop);
return TRUE;
}
return FALSE;
}
void CDuiGridCtrl::DrawControl(CDC &dc, CRect rcUpdate)
{
// 列表画图方法:
// 1.列表的虚拟高度为每一行高度*行数
// 2.列表显示的top坐标由scroll控件记录
// 3.重画时候,根据top坐标位置计算出显示的第一行的序号,根据显示高度计算出显示的最后一行的序号
// 4.根据计算出的显示的行,画相应的内容到内存dc中
// 5.计算出显示的top坐标进行内存dc的拷贝
int nTotalColumnWidth = GetTotalColumnWidth(); // 总的列宽度
int nViewWidth = m_rc.Width() - m_nScrollWidth; // 减去滚动条的显示区域宽度
CDuiScrollHorizontal* pScrollH = (CDuiScrollHorizontal*)m_pControScrollH;
int nCurPosH = pScrollH->GetScrollCurrentPos(); // 当前left位置
int nMaxRangeH = pScrollH->GetScrollMaxRange();
int nContentWidth = (nTotalColumnWidth > nViewWidth) ? nTotalColumnWidth : nViewWidth; // 内容部分的宽度(如果总的列宽小于显示区域宽度,则使用显示区域宽度)
m_nVirtualLeft = (nMaxRangeH > 0) ? (int)((double)nCurPosH*(nContentWidth-nViewWidth)/nMaxRangeH) : 0; // 当前滚动条位置对应的虚拟的left位置
int nHeightAll = m_vecRowInfo.size()*m_nRowHeight; // 总的虚拟高度 //m_rc.Height();
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPosV = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeV = pScrollV->GetScrollMaxRange();
m_nVirtualTop = (nMaxRangeV > 0) ? (int)((double)nCurPosV*(nHeightAll-m_rc.Height())/nMaxRangeV) : 0; // 当前滚动条位置对应的虚拟的top位置
if(m_nVirtualTop < 0)
{
m_nVirtualTop = 0;
pScrollV->SetScrollCurrentPos(0);
}
m_nFirstViewRow = m_nVirtualTop / m_nRowHeight; // 显示的第一行序号
m_nLastViewRow = (m_nVirtualTop + m_rc.Height() - m_nHeaderHeight) / m_nRowHeight; // 显示的最后一行序号
if(m_nLastViewRow >= (int)m_vecRowInfo.size())
{
m_nLastViewRow = m_vecRowInfo.size() - 1;
}
if(m_nLastViewRow < 0)
{
m_nLastViewRow = 0;
}
int nHeightView = (m_nLastViewRow - m_nFirstViewRow +1) * m_nRowHeight; // 显示涉及到的虚拟高度
int nYViewPos = m_nVirtualTop - (m_nFirstViewRow * m_nRowHeight); // 内存dc显示到屏幕时候的top位置
if(nYViewPos < 0)
{
nYViewPos = 0;
}
if(!m_bUpdate)
{
UpdateMemDC(dc, nTotalColumnWidth, nHeightView);
Graphics graphics(m_memDC);
m_memDC.BitBlt(m_nVirtualLeft, 0, nViewWidth, nHeightView, &dc, m_rc.left, m_rc.top, WHITENESS); // 画白色背景
DrawVerticalTransition(m_memDC, dc, CRect(m_nVirtualLeft, nYViewPos, nViewWidth+m_nVirtualLeft, m_rc.Height()+nYViewPos-m_nHeaderHeight), // 背景透明度
m_rc, m_nBkTransparent, m_nBkTransparent);
BSTR bsFontTitle = m_strFontTitle.AllocSysString();
FontFamily fontFamilyTitle(bsFontTitle);
Font fontTitle(&fontFamilyTitle, (REAL)m_nFontTitleWidth, m_fontTitleStyle, UnitPixel);
::SysFreeString(bsFontTitle);
BSTR bsFont = m_strFont.AllocSysString();
FontFamily fontFamily(bsFont);
Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel);
::SysFreeString(bsFont);
SolidBrush solidBrush(m_clrText); // 正常文字画刷
SolidBrush solidBrushH(m_clrTextHover); // 热点文字画刷
SolidBrush solidBrushD(m_clrTextDown); // 当前行画刷
SolidBrush solidBrushT(m_clrTitle); // 标题文字画刷
SolidBrush solidBrushS(m_clrSeperator); // 分割线画刷
graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit );
// 设置普通文字的水平和垂直对齐方式
DUI_STRING_ALIGN_DEFINE();
strFormat.SetTrimming(StringTrimmingEllipsisWord); // 以单词为单位去尾,略去部分使用省略号
//strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces);
if(!m_bTextWrap)
{
strFormat.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行
}
// 标题字段采用中间对齐
StringFormat strFormatHeader;
strFormatHeader.SetAlignment(StringAlignmentCenter); // 中间对齐
strFormatHeader.SetLineAlignment(StringAlignmentCenter); // 中间对齐
if(!m_bTextWrap)
{
strFormatHeader.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行
}
// 画标题行
if((m_nHeaderHeight > 0) && (m_vecColumnInfo.size() > 0))
{
// 画单元格内容
int nPosItemX = 0;
for(size_t j = 0; j < m_vecColumnInfo.size(); j++)
{
GridColumnInfo &columnInfo = m_vecColumnInfo.at(j);
int nWidth = columnInfo.nWidth;
if(j == 0)
{
nWidth += m_nLeftPos;
}
RectF rect((Gdiplus::REAL)nPosItemX, 0, (Gdiplus::REAL)nWidth, (Gdiplus::REAL)(m_nHeaderHeight-1));
// 画列标题
CString strTitle = columnInfo.strTitle;
BSTR bsTitle = strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormatHeader, &solidBrushT);
::SysFreeString(bsTitle);
nPosItemX += nWidth;
}
}
if(m_vecRowInfo.size() > 0)
{
for(int i = m_nFirstViewRow; i <= m_nLastViewRow && i < (int)m_vecRowInfo.size(); i++)
{
GridRowInfo &rowInfo = m_vecRowInfo.at(i);
SolidBrush solidBrushRow(rowInfo.clrText); // 行定义的颜色
int nXPos = 0;
int nVI = i - m_nFirstViewRow;
// 鼠标移动到行时候显示的背景颜色(如果设置为全0,则不显示行背景颜色)
if((m_nHoverRow == i) && (m_clrRowHover.GetValue() != Color(0, 0, 0, 0).GetValue()))
{
SolidBrush brush(m_clrRowHover);
graphics.FillRectangle(&brush, 0, m_nHeaderHeight + nVI*m_nRowHeight, nContentWidth, m_nRowHeight);
}
// 画检查框
int nCheckImgY = 3;
if((m_sizeCheckBox.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nCheckImgY = (m_nRowHeight - m_sizeCheckBox.cy) / 2 + 1;
}
if((rowInfo.nCheck != -1) && (m_pImageCheckBox != NULL))
{
int nCheckImageIndex = ((m_nHoverRow == i) ? ((rowInfo.nCheck==1) ? 4 : 1) : ((rowInfo.nCheck==1) ? 2 : 0));
graphics.DrawImage(m_pImageCheckBox, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nCheckImgY, m_sizeCheckBox.cx, m_sizeCheckBox.cy),
nCheckImageIndex * m_sizeCheckBox.cx, 0, m_sizeCheckBox.cx, m_sizeCheckBox.cy, UnitPixel);
rowInfo.rcCheck.SetRect(nXPos, i*m_nRowHeight + nCheckImgY, nXPos + m_sizeCheckBox.cx, i*m_nRowHeight + nCheckImgY + m_sizeCheckBox.cy);
nXPos += (m_sizeCheckBox.cx + 3);
}
// 画行左边图片
int nImgY = 3;
if(rowInfo.pImage != NULL)
{
if((rowInfo.sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - rowInfo.sizeImage.cy) / 2 + 1;
}
// 使用行数据指定的图片
graphics.DrawImage(rowInfo.pImage, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, rowInfo.sizeImage.cx, rowInfo.sizeImage.cy),
0, 0, rowInfo.sizeImage.cx, rowInfo.sizeImage.cy, UnitPixel);
nXPos += (rowInfo.sizeImage.cx + 3);
}else
if((rowInfo.nImageIndex != -1) && (m_pImage != NULL))
{
if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1;
}
// 使用索引图片
graphics.DrawImage(m_pImage, Rect(nXPos, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy),
rowInfo.nImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel);
nXPos += (m_sizeImage.cx + 3);
}
// 画行右边图片
int nRightImageWidth = 0;
nImgY = 3;
if(rowInfo.pRightImage != NULL)
{
if((rowInfo.sizeRightImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - rowInfo.sizeRightImage.cy) / 2 + 1;
}
// 使用行数据指定的图片
graphics.DrawImage(rowInfo.pRightImage, Rect(nContentWidth-rowInfo.sizeRightImage.cx-1, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, rowInfo.sizeRightImage.cx, rowInfo.sizeRightImage.cy),
0, 0, rowInfo.sizeRightImage.cx, rowInfo.sizeRightImage.cy, UnitPixel);
nRightImageWidth = rowInfo.sizeRightImage.cx + 1;
}else
if((rowInfo.nRightImageIndex != -1) && (m_pImage != NULL))
{
if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1;
}
// 使用索引图片
graphics.DrawImage(m_pImage, Rect(nContentWidth-m_sizeImage.cx-1, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy),
rowInfo.nRightImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel);
nRightImageWidth = m_sizeImage.cx + 1;
}
// 画单元格内容
int nPosItemX = (m_nLeftPos != 0) ? m_nLeftPos : nXPos;
for(size_t j = 0; j < rowInfo.vecItemInfo.size(); j++)
{
GridColumnInfo &columnInfo = m_vecColumnInfo.at(j);
GridItemInfo &itemInfo = rowInfo.vecItemInfo.at(j);
BOOL bSingleLine = (itemInfo.strContent.IsEmpty() || !itemInfo.strLink.IsEmpty());
RectF rect((Gdiplus::REAL)nPosItemX,
(Gdiplus::REAL)(m_nHeaderHeight + nVI*m_nRowHeight + 1),
(Gdiplus::REAL)((j == 0) ? (itemInfo.rcItem.Width() - nPosItemX): itemInfo.rcItem.Width()),
(Gdiplus::REAL)(bSingleLine ? (m_nRowHeight - 2) : (m_nRowHeight / 2 - 2)));
if((int)(rect.GetRight()) > nContentWidth)
{
// 最后一列需要减去滚动条宽度
rect.Width -= m_nScrollWidth;
}
// 画单元格图片
int nItemImageX = 0;
int nImgY = 3;
if(itemInfo.pImage != NULL)
{
if((itemInfo.sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - rowInfo.sizeImage.cy) / 2 + 1;
}
// 使用单元格指定的图片
graphics.DrawImage(itemInfo.pImage, Rect(nPosItemX+nItemImageX, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy),
0, 0, itemInfo.sizeImage.cx, itemInfo.sizeImage.cy, UnitPixel);
nItemImageX += (itemInfo.sizeImage.cx + 3);
}else
if((itemInfo.nImageIndex != -1) && (m_pImage != NULL))
{
if((m_sizeImage.cy*2 > m_nRowHeight) || (m_uVAlignment == VAlign_Middle))
{
nImgY = (m_nRowHeight - m_sizeImage.cy) / 2 + 1;
}
// 使用索引图片
graphics.DrawImage(m_pImage, Rect(nPosItemX+nItemImageX, m_nHeaderHeight + nVI*m_nRowHeight + nImgY, m_sizeImage.cx, m_sizeImage.cy),
itemInfo.nImageIndex*m_sizeImage.cx, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel);
nItemImageX += (m_sizeImage.cx + 3);
}
rect.Offset((Gdiplus::REAL)nItemImageX, 0);
rect.Width -= (Gdiplus::REAL)nItemImageX;
// 画单元格标题或链接内容
SolidBrush solidBrushItem(m_clrText);
if((m_nHoverRow == i) && (m_clrTextHover.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标移动颜色,则使用
{
solidBrushItem.SetColor(m_clrTextHover);
}else
if((m_nDownRow == i) && (m_clrTextDown.GetValue() != Color(0, 0, 0, 0).GetValue())) // 设置了鼠标按下颜色,则使用
{
solidBrushItem.SetColor(m_clrTextDown);
}else
if(itemInfo.clrText.GetValue() != Color(0, 0, 0, 0).GetValue()) // 设置了单元格颜色,则使用
{
solidBrushItem.SetColor(itemInfo.clrText);
}else
if(rowInfo.bRowColor) // 设置了行颜色,则使用
{
solidBrushItem.SetColor(rowInfo.clrText);
}
CString strItemTitle = itemInfo.strTitle;
// 计算是否需要显示tip
itemInfo.bNeedTitleTip = rect.Width < GetTextBounds(font, strItemTitle).Width;
itemInfo.bNeedContentTip = rect.Width < GetTextBounds(font, itemInfo.strContent).Width;
if(!itemInfo.strLink.IsEmpty())
{
strItemTitle = itemInfo.strLink;
if((m_nHoverRow == i) && (rowInfo.nHoverItem == j))
{
solidBrushItem.SetColor(m_clrTextHover);
}else
{
solidBrushItem.SetColor((itemInfo.clrText.GetValue() != Color(0, 0, 0, 0).GetValue()) ? itemInfo.clrText : m_clrText);
}
}
// 设置单元格文字对齐方式,使用列的对齐方式
StringFormat strFormatColumn;
UINT uAlignment = m_uAlignment;
if(columnInfo.uAlignment != 0xFFFFUL)
{
uAlignment = columnInfo.uAlignment;
}
if(uAlignment == Align_Left)
{
strFormatColumn.SetAlignment(StringAlignmentNear);
}else
if(uAlignment == Align_Center)
{
strFormatColumn.SetAlignment(StringAlignmentCenter);
}else
if(uAlignment == Align_Right)
{
strFormatColumn.SetAlignment(StringAlignmentFar);
}
UINT uVAlignment = m_uVAlignment;
if(columnInfo.uVAlignment != 0xFFFFUL)
{
uVAlignment = columnInfo.uVAlignment;
}
if(uVAlignment == VAlign_Top)
{
strFormatColumn.SetLineAlignment(StringAlignmentNear);
}else
if(uVAlignment == VAlign_Middle)
{
strFormatColumn.SetLineAlignment(StringAlignmentCenter);
}else
if(uVAlignment == VAlign_Bottom)
{
strFormatColumn.SetLineAlignment(StringAlignmentFar);
}
if(!m_bTextWrap)
{
strFormatColumn.SetFormatFlags(StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces); // 不换行
}
// 根据bUseTitleFont决定用标题字体还是普通字体
BSTR bsItemTitle = strItemTitle.AllocSysString();
graphics.DrawString(bsItemTitle, (INT)wcslen(bsItemTitle),
itemInfo.bUseTitleFont ? &fontTitle : &font, rect, &strFormatColumn, itemInfo.bUseTitleFont ? &solidBrushT : &solidBrushItem);
::SysFreeString(bsItemTitle);
// 画单元格内容
if(!bSingleLine)
{
rect.Offset(0, (Gdiplus::REAL)m_nRowHeight / 2 + 2);
rect.Height = (Gdiplus::REAL)m_nRowHeight / 2 - 4;
BSTR bsItemContent = itemInfo.strContent.AllocSysString();
graphics.DrawString(bsItemContent, (INT)wcslen(bsItemContent), &font, rect, &strFormatColumn, &solidBrushItem);
::SysFreeString(bsItemContent);
}
// 设置单元格子控件的位置
for(size_t k = 0; k < itemInfo.vecControl.size(); k++)
{
CControlBase* pControl = itemInfo.vecControl.at(k);
if(pControl)
{
CRect rcParent = CRect(nPosItemX, m_nHeaderHeight + nVI*m_nRowHeight + 1,
(int)(rect.X+rect.Width), (nVI+1)*m_nRowHeight - 1);
if((int)(rect.GetRight()) > nContentWidth)
{
// 最后一列需要减去滚动条宽度
rcParent.right -= m_nScrollWidth;
}
rcParent.OffsetRect(m_rc.left - m_nVirtualLeft, m_rc.top - (nYViewPos + m_nHeaderHeight));
pControl->SetPositionWithParent(rcParent);
CRect rcControl = pControl->GetRect();
// 只有当前在显示范围内的控件设置为可见
if( (rcControl.top < m_rc.top) || (rcControl.bottom > m_rc.bottom) ||
(rcControl.left < m_rc.left) || (rcControl.right > m_rc.right) )
{
pControl->SetVisible(FALSE);
}else
{
pControl->SetVisible(TRUE);
}
}
}
if(j == 0)
{
// 为了使第二列开始是对齐的,所以第二列开始位置按照第一列的宽度计算
nPosItemX = itemInfo.rcItem.right;
}else
{
nPosItemX += itemInfo.rcItem.Width();
}
}
// 画分隔线(采用拉伸模式)
if(m_pImageSeperator != NULL)
{
// 使用拉伸模式画图
graphics.DrawImage(m_pImageSeperator, RectF(0, (Gdiplus::REAL)(m_nHeaderHeight + (nVI+1)*m_nRowHeight), (Gdiplus::REAL)(nContentWidth-2), (Gdiplus::REAL)m_sizeSeperator.cy),
0, 0, (Gdiplus::REAL)m_sizeSeperator.cx, (Gdiplus::REAL)m_sizeSeperator.cy, UnitPixel);
}else
if(m_clrSeperator.GetValue() != Color(0, 0, 0, 0).GetValue())
{
// 未指定图片,并且分隔线显色不是全0,则画矩形
graphics.FillRectangle(&solidBrushS, 0, m_nHeaderHeight + (nVI+1)*m_nRowHeight, nContentWidth-2, 1);
}
}
// 把不在显示范围内的单元格的控件都设置为不可见
for(int i = 0; i < (int)m_vecRowInfo.size(); i++)
{
if((i < m_nFirstViewRow) || (i > m_nLastViewRow))
{
GridRowInfo &rowInfo = m_vecRowInfo.at(i);
for(size_t j = 0; j < rowInfo.vecItemInfo.size(); j++)
{
GridItemInfo &itemInfo = rowInfo.vecItemInfo.at(j);
for(size_t k = 0; k < itemInfo.vecControl.size(); k++)
{
CControlBase* pControl = itemInfo.vecControl.at(k);
if(pControl)
{
pControl->SetVisible(FALSE);
}
}
}
}
}
}
}
// 输出到界面DC,使用与的方式合并背景
// 标题行输出
if(m_nHeaderHeight > 0)
{
dc.BitBlt(m_rc.left,m_rc.top, nViewWidth, m_nHeaderHeight, &m_memDC, m_nVirtualLeft, 0, SRCCOPY);//SRCAND);
}
// 内容部分输出
int nContentHeight = m_rc.Height() - m_nHeaderHeight;
if(nTotalColumnWidth > m_rc.Width())
{
nContentHeight -= m_nScrollWidth;
}
dc.BitBlt(m_rc.left,m_rc.top + m_nHeaderHeight, nViewWidth, nContentHeight, &m_memDC, m_nVirtualLeft, nYViewPos + m_nHeaderHeight, SRCCOPY);//SRCAND);
}
void CDuiText::DrawControl(CDC &dc, CRect rcUpdate)
{
int nWidth = m_rc.Width();
int nHeight = m_rc.Height();
// 计算显示位置
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPos = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRange = pScrollV->GetScrollMaxRange();
int nVirtualTop = 0; // 当前显示的是虚拟图片中什么位置开始的图片
m_nVirtualHeight = GetVirtualHeight();
if(m_nVirtualHeight > m_rc.Height())
{
nVirtualTop = (nMaxRange > 0) ? nCurPos*(m_nVirtualHeight-m_rc.Height())/nMaxRange : 0;
}else
{
nVirtualTop = 0;
}
if(!m_bUpdate)
{
UpdateMemDC(dc, nWidth, m_nVirtualHeight);
Graphics graphics(m_memDC);
if(m_bBack)
{
SolidBrush brush(m_clrBack);
graphics.FillRectangle(&brush, 0, 0, nWidth, nHeight);
}
else
{
//m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, SRCCOPY);
m_memDC.BitBlt(0, 0, nWidth, nHeight, &dc, m_rc.left ,m_rc.top, WHITENESS); // 画白色背景
DrawVerticalTransition(m_memDC, dc, CRect(0, 0+nVirtualTop, nWidth, nHeight+nVirtualTop), // 背景透明度
m_rc, m_nBkTransparent, m_nBkTransparent);
}
BSTR bsFont = m_strFont.AllocSysString();
FontFamily fontFamily(bsFont);
Font font(&fontFamily, (REAL)m_nFontWidth, m_fontStyle, UnitPixel);
::SysFreeString(bsFont);
SolidBrush solidBrush(m_clrText);
graphics.SetTextRenderingHint( TextRenderingHintClearTypeGridFit );
// 设置水平和垂直对齐方式
DUI_STRING_ALIGN_DEFINE();
//strFormat.SetFormatFlags( StringFormatFlagsNoWrap | StringFormatFlagsMeasureTrailingSpaces);
strFormat.SetFormatFlags( StringFormatFlagsNoClip | StringFormatFlagsMeasureTrailingSpaces);
//strFormat.SetTrimming(StringTrimmingEllipsisWord); // 以单词为单位去尾,略去部分使用省略号
int nXPos = 0;
if(m_pImage != NULL)
{
graphics.DrawImage(m_pImage, Rect(0, (nHeight - m_sizeImage.cy) / 2, m_sizeImage.cx, m_sizeImage.cy),
0, 0, m_sizeImage.cx, m_sizeImage.cy, UnitPixel);
nXPos += m_sizeImage.cx + 5;
}
Size size = GetTextBounds(font, strFormat, nWidth, m_strTitle);
int nStart = m_strTitle.Find(m_strMark, m_nStart);
if(m_strMark.IsEmpty() || (nStart == -1))
{
int nTextWidth = nWidth - nXPos;
if(m_bScrollV)
{
nTextWidth -= m_nScrollWidth;
}
// 先画阴影
if(m_bEnableShadow)
{
RectF rectShadow((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)max(size.Height, nHeight));
SolidBrush solidBrushS(m_clrTextShadow);
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rectShadow, &strFormat, &solidBrushS);
::SysFreeString(bsTitle);
}
// 再画正常的文字
RectF rect((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0, (Gdiplus::REAL)nTextWidth, (Gdiplus::REAL)(max(size.Height, nHeight)));
if((m_enButtonState == enBSHover) && m_bEnableHover)
{
SolidBrush solidBrushH(m_clrTextHover);
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrushH);
::SysFreeString(bsTitle);
}else
{
BSTR bsTitle = m_strTitle.AllocSysString();
graphics.DrawString(bsTitle, (INT)wcslen(bsTitle), &font, rect, &strFormat, &solidBrush);
::SysFreeString(bsTitle);
}
}
else
{
SolidBrush solidBrushM(m_clrMark);
SolidBrush solidBrushS(m_clrTextShadow);
CString srtL = m_strTitle.Left(nStart);
CString srtR = m_strTitle.Right(m_strTitle.GetLength() - m_strMark.GetLength() - nStart);
Size sizeL = GetTextBounds(font, strFormat, srtL);
Size sizeM = GetTextBounds(font, strFormat, m_strMark);
Size sizeR = GetTextBounds(font, strFormat, srtR);
if(m_bEnableShadow)
{
BSTR bsL = srtL.AllocSysString();
graphics.DrawString(bsL, (INT)wcslen(bsL), &font,
PointF((Gdiplus::REAL)(nXPos + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS);
::SysFreeString(bsL);
BSTR bsMark = m_strMark.AllocSysString();
graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2 + 1), (Gdiplus::REAL)1), &strFormat, &solidBrushS);
::SysFreeString(bsMark);
}
BSTR bsL = srtL.AllocSysString();
graphics.DrawString(bsL, (INT)wcslen(bsL), &font,
PointF((Gdiplus::REAL)(nXPos), (Gdiplus::REAL)0), &strFormat, &solidBrush);
::SysFreeString(bsL);
BSTR bsMark = m_strMark.AllocSysString();
graphics.DrawString(bsMark, (INT)wcslen(bsMark), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + 2), (Gdiplus::REAL)0), &strFormat, &solidBrushM);
::SysFreeString(bsMark);
if(m_bEnableShadow)
{
RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4 + 1), (Gdiplus::REAL)(1), (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight);
BSTR bsR = srtR.AllocSysString();
graphics.DrawString(bsR, (INT)wcslen(bsR), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrushS);
::SysFreeString(bsR);
}
//RectF rect(nXPos + point.x + sizeL.Width + sizeM.Width + 4, point.y, nWidth - (nXPos + sizeL.Width + sizeM.Width + 4 + point.x), size.Height);
RectF rect((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0, (Gdiplus::REAL)(nWidth - (nXPos + sizeL.Width + sizeM.Width + 4)), (Gdiplus::REAL)nHeight);
BSTR bsR = srtR.AllocSysString();
graphics.DrawString(bsR, (INT)wcslen(bsR), &font,
PointF((Gdiplus::REAL)(nXPos + sizeL.Width + sizeM.Width + 4), (Gdiplus::REAL)0), &strFormat, &solidBrush);
::SysFreeString(bsR);
}
}
dc.BitBlt(m_rc.left,m_rc.top, m_rc.Width(), m_rc.Height(), &m_memDC, 0, nVirtualTop, SRCCOPY);
}
// 控件界面刷新
LRESULT CDuiPanel::OnControlUpdate(CRect rcUpdate, BOOL bUpdate, CControlBase *pUpdateControlBase)
{
if(pUpdateControlBase == NULL) return 0;
if(bUpdate)
{
pUpdateControlBase->SetUpdate(FALSE);
}
int nVirtualTop = 0;
if(m_nVirtualHeight > m_rc.Height())
{
// 计算显示位置
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPos = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRange = pScrollV->GetScrollMaxRange();
nVirtualTop = (nMaxRange > 0) ? nCurPos*(m_nVirtualHeight-m_rc.Height())/nMaxRange : 0; // 当前显示的是虚拟图片中什么位置开始的图片
}
int nVirtualLeft = 0;
if(m_nVirtualWidth > m_rc.Width())
{
// 计算显示位置
CDuiScrollHorizontal* pScrollH = (CDuiScrollHorizontal*)m_pControScrollH;
int nCurPosH = pScrollH->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeH = pScrollH->GetScrollMaxRange();
nVirtualLeft = (nMaxRangeH > 0) ? nCurPosH*(m_nVirtualLeft-m_rc.Width())/nMaxRangeH : 0; // 当前显示的是虚拟图片中什么位置开始的图片
}
CRect rcAllUpDate = rcUpdate;
if(m_bInit)
{
BOOL bFind = false;
for (size_t i = 0; i < m_vecControl.size(); i++)
{
CControlBase * pControlBase = m_vecControl.at(i);
if (pControlBase)
{
if(bFind)
{
if (pControlBase->GetVisible() && !(pControlBase->GetRect() & rcUpdate).IsRectEmpty())
{
rcAllUpDate |= pControlBase->GetRect();
pControlBase->SetUpdate(FALSE);
}
}
else if(pControlBase == pUpdateControlBase)
{
bFind = true;
}
}
}
}
// 按照滚动位置修改更新区域
rcAllUpDate.OffsetRect(-nVirtualLeft, -nVirtualTop);
rcAllUpDate |= m_rc;
InvalidateRect(&rcAllUpDate);
return 0L;
};
// 画子控件(支持滚动显示)
BOOL CDuiPanel::DrawSubControls(CDC &dc, CRect rcUpdate)
{
// 如果不需要滚动条,则直接使用父控件的画图方法
if(!m_bEnableScroll || ((m_nVirtualHeight <= m_rc.Height()) && (m_nVirtualWidth <= m_rc.Width())))
{
return __super::DrawSubControls(dc, rcUpdate);
}
BOOL bShowScrollV = m_nVirtualHeight > m_rc.Height();
BOOL bShowScrollH = m_nVirtualWidth > m_rc.Width();
// 计算显示位置
CDuiScrollVertical* pScrollV = (CDuiScrollVertical*)m_pControScrollV;
int nCurPosV = pScrollV->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeV = pScrollV->GetScrollMaxRange();
int nVirtualTop = (nMaxRangeV > 0) ? nCurPosV*(m_nVirtualHeight-m_rc.Height())/nMaxRangeV : 0; // 当前显示的是虚拟图片中什么位置开始的图片
CDuiScrollHorizontal* pScrollH = (CDuiScrollHorizontal*)m_pControScrollH;
int nCurPosH = pScrollH->GetScrollCurrentPos(); // 当前top位置
int nMaxRangeH = pScrollH->GetScrollMaxRange();
int nVirtualLeft = (nMaxRangeH > 0) ? nCurPosH*(m_nVirtualWidth-m_rc.Width())/nMaxRangeH : 0; // 当前显示的是虚拟图片中什么位置开始的图片
// 根据滚动条位置画子控件
// 初始化虚拟显示dc,并复制背景到虚拟显示dc
CBitmap virtualBitmap;
CDC virtualDC;
virtualDC.CreateCompatibleDC(&dc);
virtualBitmap.CreateCompatibleBitmap(&dc,
bShowScrollH ? (m_rc.left + m_nVirtualWidth) : (m_rc.right - (bShowScrollV ? m_nScrollWidth : 0)),
bShowScrollV ? (m_rc.top + m_nVirtualHeight) : (m_rc.bottom - (bShowScrollH ? m_nScrollWidth : 0)) );
CBitmap* pOldVirtualBitmap = virtualDC.SelectObject(&virtualBitmap);
virtualDC.BitBlt(m_rc.left+nVirtualLeft, m_rc.top+nVirtualTop,
m_rc.Width()-(bShowScrollV ? m_nScrollWidth : 0),
m_rc.Height()-(bShowScrollH ? m_nScrollWidth : 0),
&dc, m_rc.left, m_rc.top, SRCCOPY); // 背景复制到虚拟显示dc
// 更新区域按照显示区域调整
rcUpdate.OffsetRect(nVirtualLeft, nVirtualTop);
// 画子控件到虚拟dc
for (size_t i = 0; i < m_vecControl.size(); i++)
{
CControlBase * pControlBase = m_vecControl.at(i);
if (pControlBase && pControlBase->GetVisible()
&& (pControlBase != m_pControScrollV) && (pControlBase != m_pControScrollH))
{
// 如果顶部位置发生了变化,需要重画所有子控件,但会造成速度很慢
if(m_nVirtualTop != nVirtualTop)
{
pControlBase->UpdateControl(true);
}
pControlBase->Draw(virtualDC, rcUpdate);
}
}
// 画滚动条,滚动条整个区域都需要更新
m_pControScrollV->Draw(dc, m_pControScrollV->GetRect());
m_pControScrollH->Draw(dc, m_pControScrollH->GetRect());
m_nVirtualTop = nVirtualTop;
m_nVirtualLeft = nVirtualLeft;
// 虚拟显示dc复制到dc(滚动条部分不用复制)
dc.BitBlt(m_rc.left, m_rc.top, m_rc.Width()-(bShowScrollV ? m_nScrollWidth : 0),
m_rc.Height()-(bShowScrollH ? m_nScrollWidth : 0),
&virtualDC, m_rc.left + nVirtualLeft, m_rc.top + nVirtualTop, SRCCOPY);
// 释放虚拟显示dc
virtualDC.SelectObject(pOldVirtualBitmap);
virtualDC.DeleteDC();
virtualBitmap.DeleteObject();
return TRUE;
}