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	diff --git a/trunk/mainwindow.cpp b/trunk/mainwindow.cpp
	index 9eb7c28..6705c29 100644
	--- a/trunk/mainwindow.cpp
	+++ b/trunk/mainwindow.cpp
	@@ -1,1049 +1,1060 @@
	/*******************************************************************************
	* fred Copyright (c) 2011-2013 by Gillen Daniel <gillen.dan@pinguin.lu> *
	* *
	* Forensic Registry EDitor (fred) is a cross-platform M$ registry hive editor *
	* with special feautures useful during forensic analysis. *
	* *
	* This program is free software: you can redistribute it and/or modify it *
	* under the terms of the GNU General Public License as published by the Free *
	* Software Foundation, either version 3 of the License, or (at your option) *
	* any later version. *
	* *
	* This program is distributed in the hope that it will be useful, but WITHOUT *
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
	* more details. *
	* *
	* You should have received a copy of the GNU General Public License along with *
	* this program. If not, see <http://www.gnu.org/licenses/>. *
	*******************************************************************************/

	#ifndef FRED_REPORT_TEMPLATE_DIR
	#ifndef __MINGW32__
	#define FRED_REPORT_TEMPLATE_DIR "/usr/share/fred/report_templates/"
	#else
	#define FRED_REPORT_TEMPLATE_DIR ".\\report_templates\\"
	#endif
	#endif

	#include <QFileDialog>
	#include <QMessageBox>
	#include <QStringList>
	#include <QDesktopWidget>
	#include <QDir>
	#include <QSplitter>
	#include <QListIterator>
	#include <QInputDialog>

	#include <QDebug>

	#include "mainwindow.h"
	#include "ui_mainwindow.h"
	#include "dlgabout.h"
	#include "dlgkeydetails.h"
	#include "dlgreportchooser.h"
	#include "dlgreportviewer.h"
	#include "dlgsearch.h"
	#include "dlgpreferences.h"
	#include "dlgaddkey.h"

	#include "compileinfo.h"

	/*******************************************************************************
	* Public
	******************************************************************************/

	/*
	* Constructor
	*/
	MainWindow::MainWindow(ArgParser *p_arg_parser) :
	QMainWindow(0), ui(new Ui::MainWindow)
	{
	ui->setupUi(this);

	// Initialize private vars
	this->p_args=p_arg_parser;
	this->p_hive=new RegistryHive(this);
	this->is_hive_open=false;
	this->p_reg_node_tree_model=NULL;
	this->p_reg_node_tree_model_proxy=NULL;
	this->p_reg_key_table_model=NULL;
	this->p_search_thread=NULL;
	this->search_result_widgets.clear();

	// Init and load settings
	this->p_settings=new Settings(this);
	this->is_hive_writable=!this->p_settings->GetOpenHivesReadOnly();

	// Set main window size
	QByteArray geometry=this->p_settings->GetWindowGeometry("MainWindow");
	if(!geometry.isEmpty()) {
	// Restore saved geometry
	this->restoreGeometry(geometry);
	} else {
	// No saved geometry, calculate and set default
	int cur_screen=QApplication::desktop()->screenNumber(this);
	int window_width=
	QApplication::desktop()->availableGeometry(cur_screen).width()*0.5;
	int window_height=
	QApplication::desktop()->availableGeometry(cur_screen).height()*0.5;
	int window_x=
	(QApplication::desktop()->availableGeometry(cur_screen).width()/2)-
	(window_width/2);
	int window_y=
	(QApplication::desktop()->availableGeometry(cur_screen).height()/2)-
	(window_height/2);
	this->setGeometry(window_x,
	window_y,
	window_width,
	window_height);
	}

	// Create widgets
	this->p_horizontal_splitter=new QSplitter();
	this->p_horizontal_splitter->setOrientation(Qt::Horizontal);

	this->p_node_tree=new RegistryNodeTree(this->p_horizontal_splitter);

	this->p_vertical_splitter=new QSplitter(this->p_horizontal_splitter);
	this->p_vertical_splitter->setOrientation(Qt::Vertical);

	this->p_key_table=new RegistryKeyTable(this->p_vertical_splitter);

	this->p_tab_widget=new TabWidget(this->p_vertical_splitter);

	this->p_hex_edit_widget=new HexEditWidget();

	// Add hexedit page to tab_widget
	this->p_tab_widget->addTab(this->p_hex_edit_widget,tr("Hex viewer"));

	// Add widgets to their splitters
	this->p_vertical_splitter->addWidget(this->p_key_table);
	this->p_vertical_splitter->addWidget(this->p_tab_widget);

	this->p_horizontal_splitter->addWidget(this->p_node_tree);
	this->p_horizontal_splitter->addWidget(this->p_vertical_splitter);

	// Set stretch factors
	QSizePolicy node_tree_policy=this->p_node_tree->sizePolicy();
	node_tree_policy.setHorizontalStretch(1);
	node_tree_policy.setVerticalStretch(100);
	this->p_node_tree->setSizePolicy(node_tree_policy);

	QSizePolicy vertical_splitter_policy=this->p_vertical_splitter->sizePolicy();
	vertical_splitter_policy.setHorizontalStretch(4);
	vertical_splitter_policy.setVerticalStretch(100);
	this->p_vertical_splitter->setSizePolicy(vertical_splitter_policy);

	QSizePolicy key_table_policy=this->p_key_table->sizePolicy();
	key_table_policy.setVerticalStretch(5);
	key_table_policy.setHorizontalStretch(100);
	this->p_key_table->setSizePolicy(key_table_policy);

	QSizePolicy tab_widget_policy=this->p_tab_widget->sizePolicy();
	tab_widget_policy.setVerticalStretch(2);
	tab_widget_policy.setHorizontalStretch(200);
	this->p_tab_widget->setSizePolicy(tab_widget_policy);

	// Connect signals
	this->connect(this->p_node_tree,
	SIGNAL(clicked(QModelIndex)),
	this,
	SLOT(SlotNodeTreeClicked(QModelIndex)));
	this->connect(this->p_node_tree,
	SIGNAL(activated(QModelIndex)),
	this,
	SLOT(SlotNodeTreeClicked(QModelIndex)));
	this->connect(this->p_node_tree,
	SIGNAL(CurrentItemChanged(QModelIndex)),
	this,
	SLOT(SlotNodeTreeClicked(QModelIndex)));
	this->connect(this->p_key_table,
	SIGNAL(clicked(QModelIndex)),
	this,
	SLOT(SlotKeyTableClicked(QModelIndex)));
	this->connect(this->p_key_table,
	SIGNAL(doubleClicked(QModelIndex)),
	this,
	SLOT(SlotKeyTableDoubleClicked(QModelIndex)));
	this->connect(this->p_key_table,
	SIGNAL(CurrentItemChanged(QModelIndex)),
	this,
	SLOT(SlotKeyTableClicked(QModelIndex)));
	this->connect(this->p_tab_widget,
	SIGNAL(tabCloseRequested(int)),
	this,
	SLOT(SlotTabCloseButtonClicked(int)));
	this->connect(this->p_node_tree,
	SIGNAL(SignalAddNode(QModelIndex)),
	this,
	SLOT(SlotAddNode(QModelIndex)));
	this->connect(this->p_node_tree,
	SIGNAL(SignalDeleteNode(QModelIndex)),
	this,
	SLOT(SlotDeleteNode(QModelIndex)));
	this->connect(this->p_key_table,
	SIGNAL(SignalAddKey()),
	this,
	SLOT(SlotAddKey()));
	this->connect(this->p_key_table,
	SIGNAL(SignalEditKey(QModelIndex)),
	this,
	SLOT(SlotEditKey(QModelIndex)));
	this->connect(this->p_key_table,
	SIGNAL(SignalDeleteKey(QModelIndex)),
	this,
	SLOT(SlotDeleteKey(QModelIndex)));

	// Add central widget
	this->setCentralWidget(this->p_horizontal_splitter);
	this->centralWidget()->setContentsMargins(4,4,4,0);

	// Set window title
	this->UpdateWindowTitle();

	// Create and update recently opened menu
	this->p_recently_opened_menu=new QMenu(this);
	this->ui->ActionRecentlyOpened->setMenu(this->p_recently_opened_menu);
	this->UpdateRecentlyOpenedMenu();

	// Update EnableWriteSupport menu according to defaults
	this->UpdateEnableWriteSupportMenu();

	// Load report templates
	this->p_reports=new Reports(this->p_settings);

	// Finally, react on some command line arguments
	if(this->p_args->IsSet("maximized")) {
	this->setWindowState(Qt::WindowMaximized);
	}
	if(this->p_args->IsSet("fullscreen")) {
	this->setWindowState(Qt::WindowFullScreen);
	}
	if(this->p_args->IsSet("hive-file")) {
	this->OpenHive(this->p_args->GetArgVal("hive-file"));
	}
	}

	/*
	* Destructor
	*/
	MainWindow::~MainWindow() {
	if(this->is_hive_open) {
	this->p_hive->Close();
	}

	// Delete created objects
	delete this->p_reports;
	this->ClearRecentlyOpenedMenu();
	delete this->p_recently_opened_menu;
	delete this->p_hex_edit_widget;
	delete this->p_tab_widget;
	delete this->p_key_table;
	delete this->p_vertical_splitter;
	delete this->p_node_tree;
	delete this->p_horizontal_splitter;
	delete this->p_settings;
	delete this->p_hive;
	delete ui;
	}

	/*******************************************************************************
	* Protected
	******************************************************************************/

	/*
	* closeEvent
	*/
	void MainWindow::closeEvent(QCloseEvent *p_event) {
	Q_UNUSED(p_event)

	// Make sure the user can save any changes
	// TODO: If saving fails, let the user cancel closing
	this->SaveHiveChanges();

	// Save window position and size on exit
	this->p_settings->SetWindowGeometry("MainWindow",this->saveGeometry());
	QMainWindow::closeEvent(p_event);
	}

	/*******************************************************************************
	* Private slots
	******************************************************************************/

	/*
	* on_action_Open_hive_triggered
	*/
	void MainWindow::on_action_Open_hive_triggered() {
	QString hive_file="";

	hive_file=QFileDialog::getOpenFileName(this,
	tr("Open registry hive"),
	this->p_settings->GetLastOpenLocation(),
	tr("All files (*)"));
	if(hive_file=="") return;

	this->OpenHive(hive_file);
	}

	/*
	* on_action_Close_hive_triggered
	*/
	void MainWindow::on_action_Close_hive_triggered() {
	// Make sure the user can save any changes
	// TODO: If saving fails, let the user cancel closing
	this->SaveHiveChanges();

	if(this->is_hive_open) {
	// Remove search results
	while(this->p_tab_widget->count()>1) {
	this->p_tab_widget->removeTab(this->p_tab_widget->count()-1);
	delete this->search_result_widgets.at(this->p_tab_widget->count()-1);
	this->search_result_widgets.removeLast();
	}

	// Delete models
	if(this->p_reg_node_tree_model!=NULL) {
	this->p_node_tree->setModel(NULL);
	delete this->p_reg_node_tree_model_proxy;
	delete this->p_reg_node_tree_model;
	this->p_reg_node_tree_model_proxy=NULL;
	this->p_reg_node_tree_model=NULL;
	}
	if(this->p_reg_key_table_model!=NULL) {
	this->p_key_table->setModel(NULL);
	delete this->p_reg_key_table_model;
	this->p_reg_key_table_model=NULL;
	}

	// Remove any data from hex edit and data interpreter
	this->p_hex_edit_widget->SetData(QByteArray());
	this->p_hex_edit_widget->setEnabled(false);

	// Close hive
	this->p_hive->Close();

	this->is_hive_open=false;
	this->is_hive_writable=!this->p_settings->GetOpenHivesReadOnly();
	this->UpdateWindowTitle();
	this->UpdateMenuStates();
	this->UpdateEnableWriteSupportMenu();
	}
	}

	/*
	* on_action_Quit_triggered
	*/
	void MainWindow::on_action_Quit_triggered() {
	qApp->exit();
	}

	/*
	* on_ActionSearch_triggered
	*/
	void MainWindow::on_ActionSearch_triggered() {
	DlgSearch dlg_search(this);
	if(dlg_search.exec()==QDialog::Accepted) {
	// Create search thread and connect needed signals/slots
	this->p_search_thread=new ThreadSearch(this);

	// Add new search widget to tabwidget and to internal widget list
	SearchResultWidget *p_search_widget=
	new SearchResultWidget(this->p_tab_widget);
	p_search_widget->setEnabled(false);
	this->search_result_widgets.append(p_search_widget);

	this->connect(p_search_widget,
	SIGNAL(doubleClicked(QModelIndex)),
	this,
	SLOT(SlotSearchResultWidgetDoubleClicked(QModelIndex)));

	this->p_tab_widget->addTab(p_search_widget,tr("Search results"),true);
	this->p_tab_widget->setCurrentIndex(this->p_tab_widget->count()-1);

	// Connect search thread to result widget
	this->connect(this->p_search_thread,
	SIGNAL(SignalFoundMatch(ThreadSearch::eMatchType,
	QString,QString,QString)),
	p_search_widget,
	SLOT(SlotFoundMatch(ThreadSearch::eMatchType,
	QString,QString,QString)));
	this->connect(this->p_search_thread,
	SIGNAL(finished()),
	this,
	SLOT(SlotSearchFinished()));
	this->connect(this->p_search_thread,
	SIGNAL(finished()),
	p_search_widget,
	SLOT(SlotSearchFinished()));

	// Start searching
	this->ui->ActionSearch->setEnabled(false);
	p_search_thread->Search(this->p_hive->Filename(),
	dlg_search.Keywords(),
	dlg_search.SearchNodeNames(),
	dlg_search.SearchKeyNames(),
	dlg_search.SearchKeyValues());
	}
	}

	/*
	* on_ActionEnableWriteSupport_triggered
	*/
	void MainWindow::on_ActionEnableWriteSupport_triggered() {
	// There might be unsaved changes, give the user the chance to save them
	- // TODO: If saving failed, give the user the chance to cancel switching
	- this->SaveHiveChanges();
	+ if(!this->SaveHiveChanges()) return;

	// Reopen hive
	// Reopen has read_only as parameter. Thus we need to pass
	// !this->is_hive_writable which is the case when passing
	// this->is_hive_writable as long as we do it before actually changing our
	// internal state.
	- if(this->p_hive->Reopen(this->is_hive_writable)) {
	- // Switch internal state
	- this->is_hive_writable=!this->is_hive_writable;
	- this->UpdateEnableWriteSupportMenu();
	- this->p_node_tree->SetWritable(this->is_hive_writable);
	- this->p_key_table->SetWritable(this->is_hive_writable);
	- this->UpdateWindowTitle(this->p_hive->Filename());
	- } else {
	+ if(!this->p_hive->Reopen(this->is_hive_writable)) {
	// TODO: get error message from RegistryHive
	QMessageBox::critical(this,
	tr("Error"),
	tr("Unable to switch write-support!"));
	+ return;
	}
	+
	+ // Switch internal state
	+ this->is_hive_writable=!this->is_hive_writable;
	+ this->UpdateEnableWriteSupportMenu();
	+ this->p_node_tree->SetWritable(this->is_hive_writable);
	+ this->p_key_table->SetWritable(this->is_hive_writable);
	+ this->UpdateWindowTitle(this->p_hive->Filename());
	}

	/*
	* on_ActionPreferences_triggered
	*/
	void MainWindow::on_ActionPreferences_triggered() {
	DlgPreferences dlg_preferences(this->p_settings,this);
	dlg_preferences.exec();
	// Update vars, objects and GUI elements which might be affected by the new
	// settings
	this->UpdateRecentlyOpenedMenu();
	this->is_hive_writable=!this->p_settings->GetOpenHivesReadOnly();
	this->UpdateEnableWriteSupportMenu();
	this->p_reports->LoadReportTemplates();
	}

	/*
	* on_ActionGenerateReport_triggered
	*/
	void MainWindow::on_ActionGenerateReport_triggered() {
	DlgReportChooser dlg_repchooser(this->p_reports,
	this->p_hive->HiveTypeToString(
	this->p_hive->HiveType()),
	this->p_settings,
	this);
	if(dlg_repchooser.exec()==QDialog::Accepted) {
	QList<ReportTemplate*> selected_reports;

	// Get selected report
	selected_reports=dlg_repchooser.GetSelectedReports();
	if(selected_reports.isEmpty()) return;

	// Generate report(s)
	QString report_result="";
	if(this->p_reports->GenerateReport(this->p_hive,
	selected_reports,
	report_result,
	false))
	{
	// Report generation was successfull, show reports
	DlgReportViewer *p_dlg_report_view=new DlgReportViewer(report_result,
	this->p_settings,
	this);
	p_dlg_report_view->exec();
	delete p_dlg_report_view;
	} else {
	// TODO: Inform user
	qDebug()<<"ERROR: "<<report_result;
	}
	}
	}

	/*
	* on_ActionReloadReportTemplates_triggered
	*/
	void MainWindow::on_ActionReloadReportTemplates_triggered() {
	this->p_reports->LoadReportTemplates();
	}

	/*
	* on_actionAbout_Qt_triggered
	*/
	void MainWindow::on_actionAbout_Qt_triggered() {
	QMessageBox::aboutQt(this,tr("About Qt"));
	}

	/*
	* on_actionAbout_fred_triggered
	*/
	void MainWindow::on_actionAbout_fred_triggered() {
	DlgAbout dlg_about(this);
	dlg_about.exec();
	}

	/*
	* SlotNodeTreeClicked
	*/
	void MainWindow::SlotNodeTreeClicked(QModelIndex index) {
	QString node_path;

	if(!index.isValid()) return;

	// Map proxy index to tree model index
	index=this->p_reg_node_tree_model_proxy->mapToSource(index);

	// Built node path
	node_path=this->p_reg_node_tree_model->GetNodePath(index);

	// Create table model and attach it to the table view
	if(this->p_reg_key_table_model!=NULL) {
	// If a previous model was set, delete it and clear hexedit etc...
	this->p_key_table->setModel(NULL);
	delete this->p_reg_key_table_model;
	this->p_hex_edit_widget->SetData(QByteArray());
	}
	this->p_reg_key_table_model=new RegistryKeyTableModel(this->p_hive,node_path);
	this->p_key_table->setModel(this->p_reg_key_table_model,
	this->is_hive_writable);
	// Set focus back to nodetree to be able to navigate with keyboard
	this->p_node_tree->setFocus();
	}

	/*
	* SlotKeyTableClicked
	*/
	void MainWindow::SlotKeyTableClicked(QModelIndex index) {
	if(!index.isValid()) return;

	this->selected_key_value=
	this->p_reg_key_table_model->data(this->p_reg_key_table_model->
	index(index.row(),2),
	RegistryKeyTableModel::
	AdditionalRoles_GetRawData)
	.toByteArray();
	this->p_hex_edit_widget->SetData(this->selected_key_value);
	// Set focus back to nodetree to be able to navigate with keyboard
	this->p_key_table->setFocus();
	}

	/*
	* SlotKeyTableDoubleClicked
	*/
	void MainWindow::SlotKeyTableDoubleClicked(QModelIndex index) {
	Q_UNUSED(index);
	/*
	QModelIndex key_index;
	QModelIndex node_index;
	QStringList nodes;

	QString key_name;
	QString key_type;
	QByteArray key_value;

	if(!index.isValid()) return;

	// Get key name, type and value
	key_index=this->p_reg_key_table_model->index(index.row(),0);
	key_name=this->p_reg_key_table_model->data(key_index,Qt::DisplayRole)
	.toString();
	key_index=this->p_reg_key_table_model->index(index.row(),1);
	key_type=this->p_reg_key_table_model->data(key_index,Qt::DisplayRole)
	.toString();ThreadSearch
	key_index=this->p_reg_key_table_model->index(index.row(),2);
	key_value=this->p_reg_key_table_model->data(key_index,
	RegistryKeyTableModel::
	AdditionalRoles_GetRawData)
	.toByteArray();

	// Get current node
	node_index=this->p_node_tree->currentIndex();

	//Built node path
	nodes.clear();
	nodes.append(this->p_reg_node_tree_model->
	data(node_index,Qt::DisplayRole).toString());
	while(this->p_reg_node_tree_model->parent(node_index)!=QModelIndex()) {
	// Prepend all parent nodes
	node_index=this->p_reg_node_tree_model->parent(node_index);
	nodes.prepend(this->p_reg_node_tree_model->
	data(node_index,Qt::DisplayRole).toString());
	}

	DlgKeyDetails dlg_key_details(this);
	dlg_key_details.SetValues(nodes,key_name,key_type,key_value);
	dlg_key_details.exec();
	*/
	}

	/*
	* SlotSearchFinished
	*/
	void MainWindow::SlotSearchFinished() {
	delete this->p_search_thread;
	this->p_search_thread=NULL;
	this->ui->ActionSearch->setEnabled(true);
	// Enable result widget
	this->search_result_widgets.last()->setEnabled(true);
	}

	/*
	* SlotSearchResultWidgetDoubleClicked
	*/
	void MainWindow::SlotSearchResultWidgetDoubleClicked(QModelIndex index) {
	SearchResultWidget *p_sender;
	QString path;
	QString match_type;
	QString value;
	QString key="";
	int i;

	if(!index.isValid()) return;

	// Get pointer to sender
	p_sender=(SearchResultWidget*)QObject::sender();

	// Get path and matchtype
	path=p_sender->item(index.row(),0)->text();
	match_type=p_sender->item(index.row(),1)->text();
	value=p_sender->item(index.row(),2)->text();

	if(match_type==tr("Node name")) {
	// Node name is not part of path. Add it
	if(path=="\\") path.append(value);
	else path.append("\\").append(value);
	} else if(match_type==tr("Key name")) {
	// Key name is stored in value
	key=value;
	} else if(match_type==tr("Key value")) {
	// Key name is part of path. Save and remove it
	QStringList nodes=path.split("\\",QString::SkipEmptyParts);
	key=nodes.at(nodes.count()-1);
	// Remove \<key name> from path
	path.chop(key.length()+1);
	}

	// Expand treeview to correct node
	QList<QModelIndex> indexes=
	this->p_reg_node_tree_model->GetIndexListOf(path);
	for(i=0;i<indexes.count();i++) {
	indexes.replace(i,this->p_reg_node_tree_model_proxy->
	mapFromSource(indexes.at(i)));
	this->p_node_tree->expand(indexes.at(i));
	}
	if(indexes.count()>0) {
	// Scroll to last expanded node, select it and update widgets
	this->p_node_tree->scrollTo(indexes.at(indexes.count()-1),
	QAbstractItemView::PositionAtCenter);
	this->p_node_tree->selectionModel()->clear();
	this->p_node_tree->selectionModel()->
	select(indexes.at(indexes.count()-1),
	QItemSelectionModel::ClearAndSelect \|
	QItemSelectionModel::Rows \|
	QItemSelectionModel::Current);
	// TODO: This does not work!!
	this->SlotNodeTreeClicked(indexes.at(indexes.count()-1));
	}

	// Select correct key if search matched on keay name / value
	if(key!="") {
	int row=this->p_reg_key_table_model->GetKeyRow(key);
	this->p_key_table->clearSelection();
	this->p_key_table->scrollTo(this->p_reg_key_table_model->index(row,0),
	QAbstractItemView::PositionAtCenter);
	this->p_key_table->selectRow(row);
	this->SlotKeyTableClicked(this->p_reg_key_table_model->index(row,0));
	}
	}

	/*
	* SlotTabCloseButtonClicked
	*/
	void MainWindow::SlotTabCloseButtonClicked(int index) {
	// Delete tab widget and remove tab
	this->p_tab_widget->removeTab(index);
	delete this->search_result_widgets.at(index-1);
	this->search_result_widgets.removeAt(index-1);
	}

	/*
	* SlotRecentlyOpenedFileClicked
	*/
	void MainWindow::SlotRecentlyOpenedFileClicked(bool checked) {
	Q_UNUSED(checked)

	QAction p_sender=(QAction)QObject::sender();
	this->OpenHive(p_sender->text());
	}

	/*
	* SlotAddNode
	*/
	void MainWindow::SlotAddNode(QModelIndex index) {
	QString node_path;
	int new_node_id;

	if(!index.isValid()) return;

	// Map proxy index to tree model index and get node path
	index=this->p_reg_node_tree_model_proxy->mapToSource(index);
	node_path=this->p_reg_node_tree_model->GetNodePath(index);

	// Query user for a node name
	bool ok=false;
	QString node_name=QInputDialog::getText(this,
	tr("Add node"),
	tr("Please specify a name for the new node"),
	QLineEdit::Normal,
	QString(),
	&ok);
	if(ok) {
	if((new_node_id=this->p_hive->AddNode(node_path,node_name))==0) {
	// TODO: Get error message and display it
	QMessageBox::critical(this,
	tr("Error"),
	tr("Unable to create node '%1\\%2'!")
	.arg(node_path,node_name));
	} else {
	// Add node to model. We have to pass node_name as Ascii as utf8 names are
	// not supported inside hives!
	QModelIndex new_node_index=
	this->p_reg_node_tree_model->AddNode(this->p_hive,
	index,
	new_node_id,
	node_name.toAscii());
	// Now that node has been added, expand parent and select new node
	this->p_node_tree->expand(
	this->p_reg_node_tree_model_proxy->mapFromSource(index));
	new_node_index=
	this->p_reg_node_tree_model_proxy->mapFromSource(new_node_index);
	this->p_node_tree->scrollTo(new_node_index,
	QAbstractItemView::PositionAtCenter);
	this->p_node_tree->selectionModel()->clear();
	this->p_node_tree->selectionModel()->
	select(new_node_index,
	QItemSelectionModel::ClearAndSelect \|
	QItemSelectionModel::Rows \|
	QItemSelectionModel::Current);
	// And finally update key table
	this->SlotNodeTreeClicked(new_node_index);
	}
	}
	}

	/*
	* SlotDeleteNode
	*/
	void MainWindow::SlotDeleteNode(QModelIndex index) {
	QString node_path;

	if(!index.isValid()) return;

	// Map proxy index to tree model index and get node path
	index=this->p_reg_node_tree_model_proxy->mapToSource(index);
	node_path=this->p_reg_node_tree_model->GetNodePath(index);

	if(QMessageBox::warning(this,
	tr("Delete node"),
	tr("Are you sure you want to remove the node '%1' and all of its child nodes?").arg(node_path),
	QMessageBox::Yes,
	QMessageBox::No)==QMessageBox::Yes)
	{
	// Remove node from hive
	if(!this->p_hive->DeleteNode(node_path)) {
	// TODO: Get error message and display it
	QMessageBox::critical(this,
	tr("Error"),
	tr("Unable to delete node '%1'!")
	.arg(node_path));
	return;
	}

	// Remove node from tree model and select nearest node
	QModelIndex next_node_index=this->p_reg_node_tree_model->RemoveNode(index);
	next_node_index=
	this->p_reg_node_tree_model_proxy->mapFromSource(next_node_index);
	this->p_node_tree->selectionModel()->clear();
	this->p_node_tree->selectionModel()->
	select(next_node_index,
	QItemSelectionModel::ClearAndSelect \|
	QItemSelectionModel::Rows \|
	QItemSelectionModel::Current);
	// And finally update key table
	this->SlotNodeTreeClicked(next_node_index);
	}
	}

	void MainWindow::SlotAddKey() {
	DlgAddKey dlg_add_key(this);
	if(dlg_add_key.exec()==QDialog::Accepted) {
	// Get selected parent node
	QModelIndex parent_node=this->p_node_tree->currentIndex();
	parent_node=this->p_reg_node_tree_model_proxy->mapToSource(parent_node);
	QString parent_node_path=this->p_reg_node_tree_model->GetNodePath(parent_node);

	// Add key
	int new_key=this->p_hive->AddKey(parent_node_path,
	dlg_add_key.KeyName(),
	dlg_add_key.KeyType(),
	dlg_add_key.KeyValue());
	if(new_key==0) {
	// TODO: Get error
	QMessageBox::critical(this,
	tr("Error"),
	tr("Unable to add key!"));
	return;
	}

	// Add new key to the key table model
	QModelIndex new_key_index=
	this->p_reg_key_table_model->AddKey(this->p_hive,new_key);
	this->p_key_table->clearSelection();
	this->p_key_table->scrollTo(new_key_index,
	QAbstractItemView::PositionAtCenter);
	this->p_key_table->selectRow(new_key_index.row());
	this->SlotKeyTableClicked(new_key_index);
	}
	}

	void MainWindow::SlotEditKey(QModelIndex index) {
	if(!index.isValid()) return;

	// Get current values
	QString key_name=
	this->p_reg_key_table_model->data(this->p_reg_key_table_model->
	index(index.row(),
	RegistryKeyTableModel::
	ColumnContent_KeyName),
	Qt::DisplayRole).toString();
	QString key_value_type=
	this->p_reg_key_table_model->data(this->p_reg_key_table_model->
	index(index.row(),
	RegistryKeyTableModel::
	ColumnContent_KeyType),
	Qt::DisplayRole).toString();
	QByteArray key_value=
	this->p_reg_key_table_model->data(this->p_reg_key_table_model->
	index(index.row(),
	RegistryKeyTableModel::
	ColumnContent_KeyValue),
	RegistryKeyTableModel::
	AdditionalRoles_GetRawData).toByteArray();

	// Exec update dialog
	DlgAddKey dlg_update_key(this,key_name,key_value_type,key_value);
	if(dlg_update_key.exec()==QDialog::Accepted) {
	// Get selected parent node
	QModelIndex parent_node=this->p_node_tree->currentIndex();
	parent_node=this->p_reg_node_tree_model_proxy->mapToSource(parent_node);
	QString parent_node_path=this->p_reg_node_tree_model->GetNodePath(parent_node);

	// Update key
	int new_key=this->p_hive->UpdateKey(parent_node_path,
	dlg_update_key.KeyName(),
	dlg_update_key.KeyType(),
	dlg_update_key.KeyValue());
	if(new_key==0) {
	// TODO: Get error
	QMessageBox::critical(this,
	tr("Error"),
	tr("Unable to update key!"));
	return;
	}

	// Update key in key table model
	QModelIndex new_key_index=
	this->p_reg_key_table_model->UpdateKey(this->p_hive,new_key);
	this->p_key_table->clearSelection();
	this->p_key_table->scrollTo(new_key_index,
	QAbstractItemView::PositionAtCenter);
	this->p_key_table->selectRow(new_key_index.row());
	this->SlotKeyTableClicked(new_key_index);
	}
	}

	void MainWindow::SlotDeleteKey(QModelIndex index) {
	// TODO
	}

	/*******************************************************************************
	* Private
	******************************************************************************/

	/*
	* OpenHive
	*/
	void MainWindow::OpenHive(QString hive_file) {
	// Update last open location
	this->p_settings->SetLastOpenLocation(
	hive_file.left(hive_file.lastIndexOf(QDir::separator())));

	// If another hive is currently open, close it
	if(this->is_hive_open) this->on_action_Close_hive_triggered();

	// Try to open hive
	if(!this->p_hive->Open(hive_file,!this->is_hive_writable)) {
	QMessageBox::critical(this,
	tr("Error opening hive file"),
	tr("Unable to open file '%1'").arg(hive_file));
	return;
	}

	// Create tree model & proxy
	this->p_reg_node_tree_model=new RegistryNodeTreeModel(this->p_hive);
	this->p_reg_node_tree_model_proxy=new RegistryNodeTreeModelProxy(this);
	//this->p_reg_node_tree_model_proxy->setDynamicSortFilter(true);
	this->p_reg_node_tree_model_proxy->
	setSourceModel(this->p_reg_node_tree_model);
	this->p_node_tree->setModel(this->p_reg_node_tree_model_proxy,
	this->is_hive_writable);

	this->is_hive_open=true;

	// Enable data interpreter
	this->p_hex_edit_widget->setEnabled(true);

	// Update window title
	this->UpdateWindowTitle(hive_file);

	// Update menu states
	this->UpdateMenuStates();

	// Add file to recent list and update recently opened menu
	this->p_settings->AddRecentFile(hive_file);
	this->UpdateRecentlyOpenedMenu();
	}

	/*
	* UpdateWindowTitle
	*/
	void MainWindow::UpdateWindowTitle(QString filename) {
	if(filename=="") {
	this->setWindowTitle(QString("%1 v%2").arg(APP_TITLE,APP_VERSION));
	} else {
	this->setWindowTitle(QString("%1 v%2 - %3").arg(APP_TITLE,
	APP_VERSION,
	filename.toLocal8Bit()
	.constData()));
	if(!this->is_hive_writable) {
	this->setWindowTitle(this->windowTitle().append(QString(" (%1)")
	.arg(tr("read-only"))));
	}
	}
	}

	/*
	* UpdateMenuStates
	*/
	void MainWindow::UpdateMenuStates() {
	if(this->is_hive_open) {
	this->ui->action_Close_hive->setEnabled(true);
	this->ui->ActionEnableWriteSupport->setEnabled(true);
	this->ui->ActionSearch->setEnabled(true);
	this->ui->ActionEnableWriteSupport->setEnabled(true);
	this->ui->ActionGenerateReport->setEnabled(true);
	this->ui->ActionReloadReportTemplates->setEnabled(true);
	} else {
	this->ui->action_Close_hive->setEnabled(false);
	this->ui->ActionEnableWriteSupport->setEnabled(false);
	this->ui->ActionSearch->setEnabled(false);
	this->ui->ActionEnableWriteSupport->setEnabled(false);
	this->ui->ActionGenerateReport->setEnabled(false);
	this->ui->ActionReloadReportTemplates->setEnabled(false);
	}
	}

	/*
	* ClearRecentlyOpenedMenu
	*/
	void MainWindow::ClearRecentlyOpenedMenu() {
	QAction *p_action;

	// Remove existing menu entries
	QList<QAction*> menu_entries=this->p_recently_opened_menu->actions();
	QListIterator<QAction*> it_me(menu_entries);
	while(it_me.hasNext()) {
	p_action=it_me.next();
	this->p_recently_opened_menu->removeAction(p_action);
	delete p_action;
	}
	}

	/*
	* UpdateRecentlyOpenedMenu
	*/
	void MainWindow::UpdateRecentlyOpenedMenu() {
	QStringList recent_files=this->p_settings->GetRecentFiles();
	QAction *p_action;

	// Remove existing menu entries
	this->ClearRecentlyOpenedMenu();

	// If there are no recent files, disable submenu and return
	if(recent_files.isEmpty()) {
	this->ui->ActionRecentlyOpened->setEnabled(false);
	return;
	} else {
	this->ui->ActionRecentlyOpened->setEnabled(true);
	}

	// Add recently opened files to menu
	QListIterator<QString> it_rf(recent_files);
	while(it_rf.hasNext()) {
	// Create menu entry
	p_action=new QAction(it_rf.next(),this->p_recently_opened_menu);
	// Connect it to us
	this->connect(p_action,
	SIGNAL(triggered(bool)),
	this,
	SLOT(SlotRecentlyOpenedFileClicked(bool)));
	// Add it to submenu
	this->p_recently_opened_menu->addAction(p_action);
	}
	}

	/*
	* UpdateEnableWriteSupportMenu
	*/
	void MainWindow::UpdateEnableWriteSupportMenu() {
	if(!this->is_hive_writable) {
	this->ui->ActionEnableWriteSupport->setText(tr("Enable &write support"));
	this->p_node_tree->SetWritable(false);
	this->p_key_table->SetWritable(false);
	} else {
	this->ui->ActionEnableWriteSupport->setText(tr("Disable &write support"));
	this->p_node_tree->SetWritable(true);
	this->p_key_table->SetWritable(true);
	}
	}

	/*
	* SaveHiveChanges
	*/
	bool MainWindow::SaveHiveChanges() {
	if(!this->is_hive_open) return true;
	if(!this->is_hive_writable) return true;
	if(!this->p_hive->HasChangesToCommit()) return true;

	// There are unsaved changes, ask user if we should commit them
	- if(QMessageBox::warning(this,
	- tr("Save changes"),
	- tr("If you don't save your changes now, they will be lost. Do you want to save them?"),
	- QMessageBox::Yes,
	- QMessageBox::No)==QMessageBox::Yes)
	+ switch(QMessageBox::information(this,
	+ tr("Hive contains unsaved data"),
	+ tr("Do you want to save them now?"),
	+ QMessageBox::Yes,
	+ QMessageBox::No,
	+ QMessageBox::Cancel))
	{
	- if(!this->p_hive->CommitChanges()) {
	- // TODO: Get error message
	- QMessageBox::critical(this,
	- tr("Saving changes"),
	- tr("Unable to save changes!"));
	+ case QMessageBox::Yes: {
	+ if(!this->p_hive->CommitChanges()) {
	+ // TODO: Get error message
	+ QMessageBox::critical(this,
	+ tr("Saving changes"),
	+ tr("Unable to save changes!"));
	+ return false;
	+ }
	+ break;
	+ }
	+ case QMessageBox::No: {
	+ // TODO: Discard any changes if we are changing to read-only!
	+ break;
	+ }
	+ default: {
	return false;
	}
	}
	return true;
	}

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