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新增鼠标提示会实时更新；优化关于启动时弹出“已经有一个程序正在运行”的处理；增加无法嵌入任务栏时自动重试的处理；历史流量统计对话框中增加图…
…形指示；
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| #include "stdafx.h" | ||
| #include "ListCtrlEx.h" | ||
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| IMPLEMENT_DYNAMIC(CListCtrlEx, CListCtrl) | ||
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| CListCtrlEx::CListCtrlEx() | ||
| { | ||
| } | ||
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| CListCtrlEx::~CListCtrlEx() | ||
| { | ||
| } | ||
| void CListCtrlEx::SetDrawItemRangeData(int item, double range, COLORREF color) | ||
| { | ||
| if (item < 0) return; | ||
| if (item >= m_item_rage_data.size()) | ||
| m_item_rage_data.resize(item + 1); | ||
| m_item_rage_data[item].data_value = range; | ||
| m_item_rage_data[item].color = color; | ||
| } | ||
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| void CListCtrlEx::SetDrawItemRangInLogScale(bool log_scale) | ||
| { | ||
| m_use_log_scale = log_scale; | ||
| Invalidate(); | ||
| } | ||
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| BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl) | ||
| ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, &CListCtrlEx::OnNMCustomdraw) | ||
| END_MESSAGE_MAP() | ||
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| void CListCtrlEx::OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult) | ||
| { | ||
| if (m_draw_item_range) | ||
| { | ||
| *pResult = CDRF_DODEFAULT; | ||
| LPNMLVCUSTOMDRAW lplvdr = reinterpret_cast<LPNMLVCUSTOMDRAW>(pNMHDR); | ||
| NMCUSTOMDRAW& nmcd = lplvdr->nmcd; | ||
| switch (lplvdr->nmcd.dwDrawStage) //判断状态 | ||
| { | ||
| case CDDS_PREPAINT: | ||
| *pResult = CDRF_NOTIFYITEMDRAW; | ||
| break; | ||
| case CDDS_ITEMPREPAINT: //如果为画ITEM之前就要进行颜色的改变 | ||
| if (nmcd.dwItemSpec >= 0 && nmcd.dwItemSpec < m_item_rage_data.size()) | ||
| { | ||
| double range = m_item_rage_data[nmcd.dwItemSpec].data_value; | ||
| CDC* pDC = CDC::FromHandle(nmcd.hdc); //获取绘图DC | ||
| CRect item_rect, draw_rect; | ||
| GetSubItemRect(nmcd.dwItemSpec,m_draw_item_range_row, LVIR_BOUNDS, item_rect); //获取绘图单元格的矩形区域 | ||
| CCommon::SetDrawArea(pDC, item_rect); //设置绘图区域为当前列 | ||
| draw_rect = item_rect; | ||
| if (draw_rect.Height() > 2 * m_margin) | ||
| { | ||
| draw_rect.top += m_margin; | ||
| draw_rect.bottom -= m_margin; | ||
| } | ||
| int width; | ||
| if (m_use_log_scale) //使用对数比例（y=ln(x+1)） | ||
| { | ||
| range = std::log(range + 1); | ||
| width = static_cast<int>(range*draw_rect.Width() / std::log(1000 + 1)); | ||
| } | ||
| else //使用线性比例（y=x） | ||
| { | ||
| width = static_cast<int>(range*draw_rect.Width() / 1000); | ||
| } | ||
| draw_rect.right = draw_rect.left + width; | ||
| pDC->FillSolidRect(draw_rect, m_item_rage_data[nmcd.dwItemSpec].color); | ||
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| //当前列绘制完成后将绘图区域设置为左边的区域，防止当前列的区域被覆盖 | ||
| CRect rect1{ item_rect }; | ||
| rect1.left = 0; | ||
| rect1.right = item_rect.left; | ||
| CCommon::SetDrawArea(pDC, rect1); | ||
| } | ||
| *pResult = CDRF_DODEFAULT; | ||
| break; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| #pragma once | ||
| #include "afxcmn.h" | ||
| #include "Common.h" | ||
| class CListCtrlEx : | ||
| public CListCtrl | ||
| { | ||
| DECLARE_DYNAMIC(CListCtrlEx) | ||
| public: | ||
| CListCtrlEx(); | ||
| ~CListCtrlEx(); | ||
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| void EnableDrawItemRange(bool draw = true) { m_draw_item_range = draw; } //设置是否要在某一列单元格中绘制表示数值大小的矩形 | ||
| void SetDrawItemRangeRow(int row) { m_draw_item_range_row = row; } //设置要绘制表示数值大小的矩形的列，注意此列必须为最右边的列，否则，此列右边的所有列将无法显示 | ||
| void SetDrawItemRangeData(int item, double range, COLORREF color); //设置某一行的项目数据大小（取值为1~1000）和颜色 | ||
| void SetDrawItemRangMargin(int margin) { m_margin = margin; } //设置绘制绘制的矩形的边缘到单元格边框的矩形，此值越大则绘制的矩形越细，但是不能超过列表行距的一半 | ||
| void SetDrawItemRangInLogScale(bool log_scale); //设置要绘制表示数值大小的矩形时是否使用对数比例，否则使用线性比例 | ||
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| protected: | ||
| struct ItemData | ||
| { | ||
| double data_value; //要绘制的矩形表示的数值大小，范围为0~1000 | ||
| COLORREF color; //要绘制的矩形的颜色 | ||
| }; | ||
| bool m_draw_item_range{ false }; //是否需要在某一列单元格中绘制表示数值大小的矩形 | ||
| int m_draw_item_range_row{}; //需要绘制表示数值大小的矩形的列 | ||
| int m_margin{}; | ||
| vector<ItemData> m_item_rage_data; //用于表示每一项需要绘制的数据大小和绘图的颜色 | ||
| bool m_use_log_scale{ false }; //如果为true则使用对数比例绘制矩形，否则使用线性比例 | ||
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| DECLARE_MESSAGE_MAP() | ||
| afx_msg void OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult); | ||
| }; | ||
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