312 lines
8.3 KiB
C++
312 lines
8.3 KiB
C++
#include "stdafx.h"
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#include "CListCtrlEx.h"
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#include "2015Remote.h"
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// CHeaderCtrlEx 实现
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BEGIN_MESSAGE_MAP(CHeaderCtrlEx, CHeaderCtrl)
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ON_NOTIFY_REFLECT(HDN_BEGINTRACKA, &CHeaderCtrlEx::OnBeginTrack)
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ON_NOTIFY_REFLECT(HDN_BEGINTRACKW, &CHeaderCtrlEx::OnBeginTrack)
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END_MESSAGE_MAP()
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void CHeaderCtrlEx::OnBeginTrack(NMHDR* pNMHDR, LRESULT* pResult)
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{
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LPNMHEADER pNMHeader = reinterpret_cast<LPNMHEADER>(pNMHDR);
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int nCol = pNMHeader->iItem;
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if (m_pListCtrl && nCol >= 0 && nCol < (int)m_pListCtrl->m_Columns.size()) {
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if (!m_pListCtrl->m_Columns[nCol].Visible) {
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*pResult = TRUE; // 阻止拖拽
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return;
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}
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}
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*pResult = FALSE;
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}
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// CListCtrlEx 实现
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IMPLEMENT_DYNAMIC(CListCtrlEx, CListCtrl)
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CListCtrlEx::CListCtrlEx()
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{
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}
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CListCtrlEx::~CListCtrlEx()
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{
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}
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BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl)
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ON_WM_CONTEXTMENU()
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ON_WM_ERASEBKGND()
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END_MESSAGE_MAP()
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void CListCtrlEx::SetConfigKey(const CString& strKey)
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{
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m_strConfigKey = strKey;
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}
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void CListCtrlEx::PreSubclassWindow()
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{
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CListCtrl::PreSubclassWindow();
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// 虚拟列表模式必须在窗口创建后立即设置
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if (m_bVirtualMode) {
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// 使用 SetWindowLong 直接添加样式（ModifyStyle 对某些样式不起作用）
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LONG_PTR style = ::GetWindowLongPtr(m_hWnd, GWL_STYLE);
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style |= LVS_OWNERDATA;
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::SetWindowLongPtr(m_hWnd, GWL_STYLE, style);
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}
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}
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int CListCtrlEx::AddColumn(int nCol, LPCTSTR lpszColumnHeading, int nWidth, int nFormat, BOOL bCanHide)
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{
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// 添加到列表控件
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int nResult = InsertColumnL(nCol, lpszColumnHeading, nFormat, nWidth);
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if (nResult != -1) {
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// 保存列信息
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ColumnInfoEx info;
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info.Name = lpszColumnHeading;
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info.Width = nWidth;
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info.Percent = 0.0f; // 稍后在 InitColumns 中计算
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info.Visible = TRUE;
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info.CanHide = bCanHide;
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// 确保 vector 大小足够
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if (nCol >= (int)m_Columns.size()) {
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m_Columns.resize(nCol + 1);
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}
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m_Columns[nCol] = info;
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}
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return nResult;
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}
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void CListCtrlEx::InitColumns()
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{
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if (m_Columns.empty()) {
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return;
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}
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// 子类化 Header 控件
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SubclassHeader();
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// 计算总宽度和百分比
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int totalWidth = 0;
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for (const auto& col : m_Columns) {
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totalWidth += col.Width;
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}
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if (totalWidth > 0) {
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for (auto& col : m_Columns) {
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col.Percent = (float)col.Width / totalWidth;
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}
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}
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// 从配置加载列可见性
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LoadColumnVisibility();
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// 应用列宽
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AdjustColumnWidths();
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}
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void CListCtrlEx::SubclassHeader()
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{
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CHeaderCtrl* pHeader = GetHeaderCtrl();
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if (pHeader && !m_HeaderCtrl.GetSafeHwnd()) {
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m_HeaderCtrl.SubclassWindow(pHeader->GetSafeHwnd());
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m_HeaderCtrl.m_pListCtrl = this;
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}
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}
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void CListCtrlEx::AdjustColumnWidths()
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{
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if (m_Columns.empty() || GetSafeHwnd() == NULL) {
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return;
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}
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CRect rect;
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GetClientRect(&rect);
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int totalWidth = rect.Width() - 20; // 减去滚动条宽度
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// 计算可见列的总百分比
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float visiblePercent = 0.0f;
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for (const auto& col : m_Columns) {
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if (col.Visible) {
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visiblePercent += col.Percent;
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}
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}
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// 按比例分配宽度给可见列
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for (int i = 0; i < (int)m_Columns.size(); i++) {
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if (m_Columns[i].Visible) {
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int width = (visiblePercent > 0) ? (int)(totalWidth * m_Columns[i].Percent / visiblePercent) : 0;
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SetColumnWidth(i, width);
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} else {
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SetColumnWidth(i, 0); // 隐藏列
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}
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}
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}
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BOOL CListCtrlEx::IsColumnVisible(int nCol) const
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{
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if (nCol >= 0 && nCol < (int)m_Columns.size()) {
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return m_Columns[nCol].Visible;
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}
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return TRUE;
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}
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void CListCtrlEx::SetColumnVisible(int nCol, BOOL bVisible)
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{
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if (nCol >= 0 && nCol < (int)m_Columns.size()) {
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if (m_Columns[nCol].CanHide || bVisible) { // 不允许隐藏的列只能设为可见
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m_Columns[nCol].Visible = bVisible;
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AdjustColumnWidths();
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}
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}
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}
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void CListCtrlEx::OnContextMenu(CWnd* pWnd, CPoint pt)
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{
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// 检查是否点击在表头区域
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CHeaderCtrl* pHeader = GetHeaderCtrl();
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if (pHeader) {
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CRect headerRect;
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pHeader->GetWindowRect(&headerRect);
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if (headerRect.PtInRect(pt)) {
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ShowColumnContextMenu(pt);
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return;
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}
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}
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// 非表头区域，调用父类处理
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CListCtrl::OnContextMenu(pWnd, pt);
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}
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void CListCtrlEx::ShowColumnContextMenu(CPoint pt)
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{
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CMenu menu;
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menu.CreatePopupMenu();
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// 添加所有列到菜单（跳过空标题的列）
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for (int i = 0; i < (int)m_Columns.size(); i++) {
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// 跳过空标题的列
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if (m_Columns[i].Name.IsEmpty()) {
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continue;
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}
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UINT flags = MF_STRING;
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if (m_Columns[i].Visible) {
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flags |= MF_CHECKED;
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}
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// 不允许隐藏的列显示为灰色
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if (!m_Columns[i].CanHide) {
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flags |= MF_GRAYED;
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}
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menu.AppendMenuL(flags, 1000 + i, m_Columns[i].Name);
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}
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// 显示菜单并获取选择
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int nCmd = menu.TrackPopupMenu(TPM_RETURNCMD | TPM_LEFTALIGN | TPM_RIGHTBUTTON, pt.x, pt.y, this);
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if (nCmd >= 1000 && nCmd < 1000 + (int)m_Columns.size()) {
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ToggleColumnVisibility(nCmd - 1000);
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}
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}
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void CListCtrlEx::ToggleColumnVisibility(int nColumn)
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{
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if (nColumn < 0 || nColumn >= (int)m_Columns.size()) {
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return;
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}
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// 不允许隐藏的列不处理
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if (!m_Columns[nColumn].CanHide) {
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return;
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}
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// 切换可见性
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m_Columns[nColumn].Visible = !m_Columns[nColumn].Visible;
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// 保存到配置
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SaveColumnVisibility();
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// 重新调整列宽
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AdjustColumnWidths();
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}
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void CListCtrlEx::LoadColumnVisibility()
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{
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if (m_strConfigKey.IsEmpty()) {
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return; // 没有设置配置键，不加载
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}
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// 配置结构：list\{ConfigKey}，如 list\ClientList
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// 格式：逗号分隔的隐藏列名，如 "备注,程序路径"
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CT2A configKeyA(m_strConfigKey);
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std::string strHidden = THIS_CFG.GetStr("list", std::string(configKeyA), "");
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if (strHidden.empty()) {
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return; // 使用默认值（全部显示）
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}
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// 解析隐藏的列名
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std::vector<std::string> hiddenNames = StringToVector(strHidden, ',');
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for (const auto& name : hiddenNames) {
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// 查找列名对应的索引
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for (int i = 0; i < (int)m_Columns.size(); i++) {
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CT2A colNameA(m_Columns[i].Name);
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if (name == std::string(colNameA)) {
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if (m_Columns[i].CanHide) {
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m_Columns[i].Visible = FALSE;
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}
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break;
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}
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}
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}
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}
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void CListCtrlEx::SaveColumnVisibility()
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{
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if (m_strConfigKey.IsEmpty()) {
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return; // 没有设置配置键，不保存
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}
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// 只保存隐藏的列名
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std::string strHidden;
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for (int i = 0; i < (int)m_Columns.size(); i++) {
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if (!m_Columns[i].Visible) {
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if (!strHidden.empty()) strHidden += ",";
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CT2A colNameA(m_Columns[i].Name);
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strHidden += std::string(colNameA);
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}
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}
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// 配置结构：list\{ConfigKey}，如 list\ClientList
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CT2A configKeyA(m_strConfigKey);
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THIS_CFG.SetStr("list", std::string(configKeyA), strHidden);
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}
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BOOL CListCtrlEx::OnEraseBkgnd(CDC* pDC)
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{
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if (m_bSkipEraseBkgnd) {
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// 只擦除列表底部空白区域，避免残影
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int nItemCount = GetItemCount();
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if (nItemCount > 0) {
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CRect rcItem;
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// 获取最后一项的矩形
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if (GetItemRect(nItemCount - 1, &rcItem, LVIR_BOUNDS)) {
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CRect rcClient;
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GetClientRect(&rcClient);
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// 如果最后一项下方有空白区域，擦除它
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if (rcItem.bottom < rcClient.bottom) {
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CRect rcEmpty(rcClient.left, rcItem.bottom, rcClient.right, rcClient.bottom);
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pDC->FillSolidRect(&rcEmpty, GetBkColor());
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}
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}
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} else {
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// 没有项目时，擦除整个背景
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return CListCtrl::OnEraseBkgnd(pDC);
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}
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return TRUE;
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}
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return CListCtrl::OnEraseBkgnd(pDC);
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}
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