Initial import of kscope 1.6.2

1 files changed, 238 insertions, 0 deletions

diff --git a/src/preffrontend.cpp b/src/preffrontend.cpp
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+++ b/src/preffrontend.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 <qcheckbox.h>
+#include <qtextedit.h>
+#include <kurlrequester.h>
+#include <klineedit.h>
+#include <kstandarddirs.h>
+#include <klocale.h>
+#include "preffrontend.h"
+#include "kscopeconfig.h"
+#include "configfrontend.h"
+
+/**
+ * Class constructor.
+ * @param	pParent	The parent widget
+ * @param	szName	The widget's name
+ */
+PrefFrontend::PrefFrontend(QWidget* pParent, const char* szName) :
+	PrefFrontendLayout(pParent, szName)
+{
+	// Set initial values
+	load();
+
+	// Attempt to guess paths based on the user's PATH environment variable
+	connect(m_pGuessButton, SIGNAL(clicked()), this,
+		SLOT(slotGuessPaths()));	
+		
+	// Emit the modified() signal when a new path is set
+	connect(m_pCscopeURL, SIGNAL(textChanged(const QString&)), this,
+		SIGNAL(modified()));
+	connect(m_pCtagsURL, SIGNAL(textChanged(const QString&)), this,
+		SIGNAL(modified()));
+	connect(m_pDotURL, SIGNAL(textChanged(const QString&)), this,
+		SIGNAL(modified()));
+}
+
+/**
+ * Class destructor.
+ */
+PrefFrontend::~PrefFrontend()
+{
+}
+
+/**
+ * Reads the current settings from the configuration object, and applies them
+ * the the page's widget.
+ */
+void PrefFrontend::load()
+{
+	m_pCscopeURL->lineEdit()->setText(Config().getCscopePath());
+	m_pCtagsURL->lineEdit()->setText(Config().getCtagsPath());
+	m_pDotURL->lineEdit()->setText(Config().getDotPath());
+}
+
+/**
+ * Commits settings changes to the configuration object.
+ */
+void PrefFrontend::apply()
+{
+	Config().setCscopePath(m_pCscopeURL->url());
+	Config().setCtagsPath(m_pCtagsURL->url());
+	Config().setDotPath(m_pDotURL->url());
+}
+
+/**
+ * Emits the modified() signal whenever any of the paths edit widgets changes
+ * its contents.
+ * This slot is connected to the textChanged() signal of each of the path
+ * edit widgets. By emitting the modified() signal, the widget notifies the
+ * parent dialog it should enable the "Apply" button.
+ */
+void PrefFrontend::slotChanged(const QString&)
+{
+	emit modified();
+}
+
+/**
+ * Checks the user's PATH environment variable for a Cscope and Ctags
+ * executables.
+ * This is done by running the kscope_config script.
+ */
+void PrefFrontend::slotGuessPaths()
+{
+	ConfigFrontend* pConf;
+	
+	// Start with an empty results text widget
+	m_pScriptText->clear();
+	
+	// Create a frontend object for the script
+	pConf = new ConfigFrontend(true);
+	
+	// Show tests and results in the text widget
+	connect(pConf, SIGNAL(test(uint)), this,
+		SLOT(slotAutoConfigTest(uint)));
+	connect(pConf, SIGNAL(result(uint, const QString&)), this,
+		SLOT(slotAutoConfigResult(uint, const QString&)));
+	
+	// Run the script
+	pConf->run(m_pCscopeURL->url(), m_pCtagsURL->url(),
+		m_pDotURL->url());
+}
+
+/**
+ * Shows the test being executed by the script in the text widget.
+ * This slot is connected to the test() signal of the ConfigFrontend object.
+ * @param	nType	The type of test being executed
+ */
+void PrefFrontend::slotAutoConfigTest(uint nType)
+{
+	switch (nType) {
+	case ConfigFrontend::CscopePath:
+		m_pScriptText->insert(i18n("Looking for Cscope..."));
+		break;
+		
+	case ConfigFrontend::CscopeVersion:
+		m_pScriptText->insert(i18n("Checking Cscope version..."));
+		break;
+		
+	case ConfigFrontend::CscopeVerbose:
+		m_pScriptText->insert(i18n("Cscope support for line mode verbose "
+			"output..."));
+		break;
+		
+	case ConfigFrontend::CscopeSlowPath:
+		m_pScriptText->insert(i18n("Cscope support slow path definitions... "));
+		break;
+			
+	case ConfigFrontend::CtagsPath:
+		m_pScriptText->insert(i18n("Looking for Ctags..."));
+		break;
+					
+	case ConfigFrontend::CtagsExub:
+		m_pScriptText->insert(i18n("Ctags compatibilty with ctags-exuberant"
+			"..."));
+		break;
+			
+	case ConfigFrontend::DotPath:
+		m_pScriptText->insert(i18n("Looking for Dot..."));
+		break;
+					
+	case ConfigFrontend::DotPlain:
+		m_pScriptText->insert(i18n("Checking -Tplain..."));
+		break;
+	}
+}
+
+/**
+ * Shows the result of a test executed by the configuration script, and
+ * adjusts the configuration widgets accordingly.
+ * @param	nType	The type of test that was executed
+ * @param	sResult	The test's result
+ */
+void PrefFrontend::slotAutoConfigResult(uint nType, const QString& sResult)
+{
+	QString sLine;
+	
+	sLine = sResult + "\n";
+		
+	switch (nType) {
+	case ConfigFrontend::CscopePath:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pCscopeURL->lineEdit()->setText("");
+		else
+			m_pCscopeURL->lineEdit()->setText(sResult);
+			
+		break;
+	
+	case ConfigFrontend::CscopeVersion:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pCscopeURL->lineEdit()->setText("");
+		break;
+	
+	case ConfigFrontend::CscopeVerbose:
+		m_pScriptText->insert(sLine);
+		break;
+	
+	case ConfigFrontend::CscopeSlowPath:
+		m_pScriptText->insert(sLine);
+		break;
+		
+	case ConfigFrontend::CtagsPath:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pCtagsURL->lineEdit()->setText("");
+		else
+			m_pCtagsURL->lineEdit()->setText(sResult);
+		break;
+	
+	case ConfigFrontend::CtagsExub:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pCtagsURL->lineEdit()->setText("");
+		break;
+	
+	case ConfigFrontend::DotPath:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pDotURL->lineEdit()->setText("");
+		else
+			m_pDotURL->lineEdit()->setText(sResult);
+		break;
+	
+	case ConfigFrontend::DotPlain:
+		m_pScriptText->insert(sLine);
+		if (sResult == "ERROR")
+			m_pDotURL->lineEdit()->setText("");
+		break;
+	}
+}
+
+#include "preffrontend.moc"