experimental 'Crop Log to Selection' feature, use with care :)

Author: janwilmans

DebugView++/DebugView++.rc

@@ -105,7 +105,7 @@ BEGIN
     POPUP "&Log"
     BEGIN
         MENUITEM "&Clear Log\tCtrl+Shift+X",    ID_LOG_CLEAR
-//        MENUITEM "Crop Log to &Selection",      ID_LOG_CROP
+        MENUITEM "Crop Log to &Selection",      ID_LOG_CROP
         MENUITEM "&Pause\tPause",               ID_LOG_PAUSE
         MENUITEM "Capture &Global Win32",       ID_LOG_GLOBAL
         MENUITEM "Connect DebugView &Agent",    ID_LOG_DEBUGVIEW_AGENT

DebugView++/LogView.h

@@ -178,6 +178,7 @@ class CLogView :
 	void MeasureItem(MEASUREITEMSTRUCT* pMeasureItemStruct) const;
 	void DrawItem(DRAWITEMSTRUCT* pDrawItemStruct) const;
 	void DeleteItem(DELETEITEMSTRUCT* lParam);
+	void ResetToLine(int line);
 
 private:
 	DECLARE_MSG_MAP()
@@ -235,7 +236,6 @@ class CLogView :
 	void OnViewColumn(UINT uNotifyCode, int nID, CWindow wndCtl);
 
 	std::vector<std::string> GetSelectedMessages() const;
-	void ResetToLine(int line);
 	void UpdateColumnInfo();
 	void UpdateColumns();
 	int ColumnToSubItem(Column::type column) const;

DebugView++/MainFrame.cpp

@@ -1151,19 +1151,22 @@ void CMainFrame::OnLogCrop(UINT /*uNotifyCode*/, int /*nID*/, CWindow /*wndCtl*/
 	auto selection = GetView().GetSelectedRange();
 	if (selection.count < 2) return;
 
-	//LogFile temp = m_logFile.Copy(selection.beginLine, selection.endLine);
-	//m_logFile.Swap(temp);
-	//
-	//m_logSources.ResetTimer();
-	//int views = GetViewCount();
-	//for (int i = 0; i < views; ++i)
-	//{
-	//	GetView(i).Clear();
-	//	SetModifiedMark(i, false);
-	//	GetTabCtrl().UpdateLayout();
-	//	GetTabCtrl().Invalidate();
-	//}
-	//UpdateStatusBar();
+	LogFile temp;
+	m_logFile.Copy(selection.beginLine, selection.endLine, temp);
+	std::swap(temp, m_logFile);
+	
+	m_logSources.ResetTimer();
+	int views = GetViewCount();
+	for (int i = 0; i < views; ++i)
+	{
+		auto& view = GetView(i);
+		view.Clear();
+		view.ResetToLine(0);
+		SetModifiedMark(i, false);
+		GetTabCtrl().UpdateLayout();
+		GetTabCtrl().Invalidate();
+	}
+	UpdateStatusBar();
 }
 
 void CMainFrame::OnLinkViews(UINT /*uNotifyCode*/, int /*nID*/, CWindow /*wndCtl*/)

DebugView++Lib/LogFile.cpp

@@ -82,5 +82,19 @@ void LogFile::SetHistorySize(size_t size)
 	m_historySize = size;
 }
 
+void LogFile::Copy(size_t beginIndex, size_t endIndex, LogFile& logfile)
+{
+	for (size_t i = beginIndex; i <= endIndex; ++i)
+		logfile.Add((*this)[i]);
+}
+
+void LogFile::Swap(LogFile& logfile)
+{
+	std::swap(m_messages, logfile.m_messages);
+	std::swap(m_processInfo, logfile.m_processInfo);
+	std::swap(m_storage, logfile.m_storage);
+	std::swap(m_historySize, logfile.m_historySize);
+}
+
 } // namespace debugviewpp 
 } // namespace fusion

include/DebugView++Lib/LogFile.h

@@ -43,6 +43,9 @@ class LogFile
 	size_t GetHistorySize() const;
 	void SetHistorySize(size_t size);
 
+	void Copy(size_t beginIndex, size_t endIndex, LogFile&);
+	void Swap(LogFile& logfile);
+
 private:
 	struct InternalMessage
 	{