From a4f4d9aa60ac7b9137047ed1e7dc8e1ef822ff19 Mon Sep 17 00:00:00 2001
From: LAPTOP-SNT8I5JK\Boounion <Chenluhua@qq.com>
Date: 星期三, 25 六月 2025 14:01:50 +0800
Subject: [PATCH] 1.日志窗口的自动流动模式和固定模式自动切换；
---
SourceCode/Bond/Servo/LogEdit.cpp | 68 ++++++++++++++++++++--------------
1 files changed, 40 insertions(+), 28 deletions(-)
diff --git a/SourceCode/Bond/Servo/LogEdit.cpp b/SourceCode/Bond/Servo/LogEdit.cpp
index 0e9fd35..3b4742f 100644
--- a/SourceCode/Bond/Servo/LogEdit.cpp
+++ b/SourceCode/Bond/Servo/LogEdit.cpp
@@ -8,7 +8,9 @@
CLogEdit::CLogEdit()
{
- m_nMaxLineCount = 0xffff;
+ m_nMaxLines = 0xffff;
+ m_nTrimLines = 100;
+ m_bAutoScroll = TRUE;
}
@@ -18,11 +20,13 @@
BEGIN_MESSAGE_MAP(CLogEdit, CEdit)
ON_WM_CONTEXTMENU()
+ ON_WM_VSCROLL()
END_MESSAGE_MAP()
void CLogEdit::SetMaxLineCount(int line)
{
- m_nMaxLineCount = line;
+ m_nMaxLines = line;
+ m_nTrimLines = min(m_nMaxLines, 100);
}
void CLogEdit::OnContextMenu(CWnd* pWnd, CPoint point)
@@ -49,39 +53,47 @@
}
}
+void CLogEdit::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
+{
+ // 每次滚动时检查是否还在底部
+ m_bAutoScroll = IsScrollBarAtBottom();
+ CEdit::OnVScroll(nSBCode, nPos, pScrollBar);
+}
+
+BOOL CLogEdit::IsScrollBarAtBottom()
+{
+ SCROLLINFO si = { sizeof(si), SIF_ALL };
+ GetScrollInfo(SB_VERT, &si);
+ return (si.nPos + (int)si.nPage >= si.nMax);
+}
+
void CLogEdit::AppendText(const char* pszText)
{
- // 获取选择范围以便恢复
- int nStart, nEnd;
- GetSel(nStart, nEnd);
+ SetRedraw(FALSE);
+ // 裁剪逻辑
+ int totalLines = GetLineCount();
+ if (totalLines > m_nMaxLines) {
+ // 获取要删除的字符范围
+ int startChar = LineIndex(0); // 第0行首字符位置
+ int endChar = LineIndex(m_nTrimLines); // 第N行首字符位置
- // 超过指定行数则删除最前面的行
- int nLineCount = GetLineCount();
- while (nLineCount > m_nMaxLineCount) {
- int nLin1End = LineIndex(1);
- nStart -= nLin1End;
- if (nStart < 0) nStart = 0;
- nEnd -= nLin1End;
- if (nEnd < 0) nEnd = 0;
-
- SetSel(0, nLin1End);
- ReplaceSel(_T(""));
- nLineCount = GetLineCount();
+ if (startChar >= 0 && endChar > startChar) {
+ SetSel(startChar, endChar);
+ ReplaceSel(_T("")); // 删除前面行
+ }
}
- // 追加到最后
- int length = GetWindowTextLength();
- SetSel(length, length);
+ int len = GetWindowTextLength();
+ SetSel(len, len);
ReplaceSel(pszText);
- PostMessage(WM_VSCROLL, SB_BOTTOM, 0);
-
- // 恢复
- if (nStart == 0 && nEnd == 0) {
- nStart = GetWindowTextLength();
- nEnd = nStart;
+ if (m_bAutoScroll) {
+ LineScroll(GetLineCount());
}
- SetSel(nStart, nEnd);
-}
+
+ SetRedraw(TRUE);
+ Invalidate();
+ UpdateWindow();
+}
\ No newline at end of file
--
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