Initial import of kscope 1.6.2

1 files changed, 211 insertions, 0 deletions

diff --git a/src/querypage.cpp b/src/querypage.cpp
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+/***************************************************************************
+ *
+ * Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ***************************************************************************/
+
+#include <qfile.h>
+#include <klocale.h>
+#include "querypage.h"
+#include "queryview.h"
+#include "queryviewdriver.h"
+
+const char* QUERY_TYPES[][2] = {
+	{ "References to ", "REF " },
+	{ "Definition of ", "DEF " },
+	{ "Functions called by ", "<-- " },
+	{ "Functions calling ", "-->" },
+	{ "Search for ", "TXT " },
+	{ "", "" },
+	{ "EGrep Search for ", "GRP " },
+	{ "Files named ", "FIL " },
+	{ "Files #including ", "INC " },
+	{ "Query", "Query" }
+};
+
+/**
+ * Class constructor.
+ * @param	pParent	The parent widget
+ * @param	szName	The widget's name
+ */
+QueryPage::QueryPage(QWidget* pParent, const char * szName) :
+	QueryPageBase(pParent, szName),
+	m_nType(CscopeFrontend::None)
+{
+	m_pView = new QueryView(this);
+	m_pDriver = new QueryViewDriver(m_pView, this);
+	
+	connect(m_pView, SIGNAL(lineRequested(const QString&, uint)), this,
+		SIGNAL(lineRequested(const QString&, uint)));
+	
+	// Set colours and font
+	applyPrefs();
+}
+
+/**
+ * Class destructor.
+ */
+QueryPage::~QueryPage()
+{
+}
+
+/**
+ * Runs a query, using the current page to display the results.
+ * @param	nType	The type of the query
+ * @param	sText	The text of the query
+ * @param	bCase		true for case-sensitive queries, false otherwise
+ */
+void QueryPage::query(uint nType, const QString& sText, bool bCase)
+{
+	m_nType = nType;
+	m_sText = sText;
+	m_bCase = bCase;
+	m_sName = getCaption();
+	
+	m_pDriver->query(nType, sText, bCase);
+}
+
+/**
+ * Re-runs the last query.
+ */
+void QueryPage::refresh()
+{
+	m_pView->clear();
+	if (!m_sText.isEmpty())
+		m_pDriver->query(m_nType, m_sText, m_bCase);
+}
+
+/**
+ * Resets the query page by deleting all records.
+ */
+void QueryPage::clear()
+{
+	m_pView->clear();
+	m_nType = CscopeFrontend::None;
+	m_sText = QString();
+	m_sName = QString();
+}
+
+/**
+ * @return	true if a query is currently running in this page, false otherwise
+ */
+bool QueryPage::isRunning()
+{
+	return m_pDriver->isRunning();
+}
+
+/** 
+ * Constructs a caption for this page, based on the query's type and text.
+ * @param	bBrief	true to use a shortened version of the caption, false
+ *					(default) for the full version
+ * @return	The caption for this page
+ */
+QString QueryPage::getCaption(bool bBrief) const
+{
+	return QString(QUERY_TYPES[m_nType][bBrief ? 1 : 0] + m_sText);
+}
+
+/**
+ * Creates a new query result item.
+ * @param	sFile	The file name
+ * @param	sFunc	The function defining the scope of the result
+ * @param	sLine	The line number
+ * @param	sText	The contents of the line
+ */
+void QueryPage::addRecord(const QString& sFile, const QString& sFunc,
+	const QString& sLine, const QString& sText)
+{
+	new QListViewItem(m_pView, sFile, sFunc, sLine, sText);
+}
+
+/**
+ * Creates a unique file name for saving the contents of the query page.
+ * @param	sProjPath	The full path of the project directory
+ * @return	The unique file name to use
+ */
+QString QueryPage::getFileName(const QString& sProjPath) const
+{
+	QString sFileName, sFileNameBase;
+	int i = 0;
+	
+	// Do nothing if not initialised
+	if (m_sName.isEmpty())
+		return "";
+	
+	// Create a unique file name
+	sFileNameBase = m_sName;
+	sFileNameBase.replace(' ', '_');
+	do {
+		sFileName = sFileNameBase + QString::number(++i);
+	} while (QFile(sProjPath + "/" + sFileName).exists());
+	
+	return sFileName;
+}
+
+/**
+ * Reads query parameters from a file.
+ * This mehtod is used as part of the loading process.
+ * @param	str	A text stream set to the correct place in the file
+ * @return	true if successful, false otherwise
+ */
+bool QueryPage::readHeader(QTextStream& str)
+{
+	QString sTemp;
+	
+	// Read the query name
+	m_sName = str.readLine();
+	if (m_sName == QString::null || m_sName.isEmpty())
+		return false;
+		
+	// Read the query's type
+	sTemp = str.readLine();
+	if (sTemp == QString::null || sTemp.isEmpty())
+		return false;
+	
+	// Convert the type string to an integer
+	m_nType = sTemp.toUInt();
+	if (m_nType >= CscopeFrontend::None) {
+		m_nType = CscopeFrontend::None;
+		return false;
+	}		
+				
+	// Read the query's text
+	m_sText = str.readLine();
+	if (m_sText == QString::null || m_sText.isEmpty())
+		return false;
+
+	return true;
+}
+
+/**
+ * Writes query parameters to a file.
+ * This mehtod is used as part of the storing process.
+ * @param	str	A text stream set to the correct place in the file
+ */
+void QueryPage::writeHeader(QTextStream& str)
+{
+	str << m_sName << "\n" << m_nType << "\n" << m_sText << "\n";
+}
+
+#include "querypage.moc"