Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1916 insertions, 0 deletions

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
new file mode 100644
index 000000000..78087b2d9
--- /dev/null
+++ b/scripts/kconfig/qconf.cc
@@ -0,0 +1,1916 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com>
+ */
+
+#include <QAction>
+#include <QApplication>
+#include <QCloseEvent>
+#include <QDebug>
+#include <QDesktopWidget>
+#include <QFileDialog>
+#include <QLabel>
+#include <QLayout>
+#include <QList>
+#include <QMenu>
+#include <QMenuBar>
+#include <QMessageBox>
+#include <QToolBar>
+
+#include <stdlib.h>
+
+#include "lkc.h"
+#include "qconf.h"
+
+#include "images.h"
+
+
+static QApplication *configApp;
+static ConfigSettings *configSettings;
+
+QAction *ConfigMainWindow::saveAction;
+
+ConfigSettings::ConfigSettings()
+	: QSettings("kernel.org", "qconf")
+{
+}
+
+/**
+ * Reads a list of integer values from the application settings.
+ */
+QList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
+{
+	QList<int> result;
+
+	if (contains(key))
+	{
+		QStringList entryList = value(key).toStringList();
+		QStringList::Iterator it;
+
+		for (it = entryList.begin(); it != entryList.end(); ++it)
+			result.push_back((*it).toInt());
+
+		*ok = true;
+	}
+	else
+		*ok = false;
+
+	return result;
+}
+
+/**
+ * Writes a list of integer values to the application settings.
+ */
+bool ConfigSettings::writeSizes(const QString& key, const QList<int>& value)
+{
+	QStringList stringList;
+	QList<int>::ConstIterator it;
+
+	for (it = value.begin(); it != value.end(); ++it)
+		stringList.push_back(QString::number(*it));
+	setValue(key, stringList);
+
+	return true;
+}
+
+QIcon ConfigItem::symbolYesIcon;
+QIcon ConfigItem::symbolModIcon;
+QIcon ConfigItem::symbolNoIcon;
+QIcon ConfigItem::choiceYesIcon;
+QIcon ConfigItem::choiceNoIcon;
+QIcon ConfigItem::menuIcon;
+QIcon ConfigItem::menubackIcon;
+
+/*
+ * update the displayed of a menu entry
+ */
+void ConfigItem::updateMenu(void)
+{
+	ConfigList* list;
+	struct symbol* sym;
+	struct property *prop;
+	QString prompt;
+	int type;
+	tristate expr;
+
+	list = listView();
+	if (goParent) {
+		setIcon(promptColIdx, menubackIcon);
+		prompt = "..";
+		goto set_prompt;
+	}
+
+	sym = menu->sym;
+	prop = menu->prompt;
+	prompt = menu_get_prompt(menu);
+
+	if (prop) switch (prop->type) {
+	case P_MENU:
+		if (list->mode == singleMode || list->mode == symbolMode) {
+			/* a menuconfig entry is displayed differently
+			 * depending whether it's at the view root or a child.
+			 */
+			if (sym && list->rootEntry == menu)
+				break;
+			setIcon(promptColIdx, menuIcon);
+		} else {
+			if (sym)
+				break;
+			setIcon(promptColIdx, QIcon());
+		}
+		goto set_prompt;
+	case P_COMMENT:
+		setIcon(promptColIdx, QIcon());
+		prompt = "*** " + prompt + " ***";
+		goto set_prompt;
+	default:
+		;
+	}
+	if (!sym)
+		goto set_prompt;
+
+	setText(nameColIdx, sym->name);
+
+	type = sym_get_type(sym);
+	switch (type) {
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		char ch;
+
+		if (!sym_is_changeable(sym) && list->optMode == normalOpt) {
+			setIcon(promptColIdx, QIcon());
+			break;
+		}
+		expr = sym_get_tristate_value(sym);
+		switch (expr) {
+		case yes:
+			if (sym_is_choice_value(sym) && type == S_BOOLEAN)
+				setIcon(promptColIdx, choiceYesIcon);
+			else
+				setIcon(promptColIdx, symbolYesIcon);
+			ch = 'Y';
+			break;
+		case mod:
+			setIcon(promptColIdx, symbolModIcon);
+			ch = 'M';
+			break;
+		default:
+			if (sym_is_choice_value(sym) && type == S_BOOLEAN)
+				setIcon(promptColIdx, choiceNoIcon);
+			else
+				setIcon(promptColIdx, symbolNoIcon);
+			ch = 'N';
+			break;
+		}
+
+		setText(dataColIdx, QChar(ch));
+		break;
+	case S_INT:
+	case S_HEX:
+	case S_STRING:
+		setText(dataColIdx, sym_get_string_value(sym));
+		break;
+	}
+	if (!sym_has_value(sym) && visible)
+		prompt += " (NEW)";
+set_prompt:
+	setText(promptColIdx, prompt);
+}
+
+void ConfigItem::testUpdateMenu(bool v)
+{
+	ConfigItem* i;
+
+	visible = v;
+	if (!menu)
+		return;
+
+	sym_calc_value(menu->sym);
+	if (menu->flags & MENU_CHANGED) {
+		/* the menu entry changed, so update all list items */
+		menu->flags &= ~MENU_CHANGED;
+		for (i = (ConfigItem*)menu->data; i; i = i->nextItem)
+			i->updateMenu();
+	} else if (listView()->updateAll)
+		updateMenu();
+}
+
+
+/*
+ * construct a menu entry
+ */
+void ConfigItem::init(void)
+{
+	if (menu) {
+		ConfigList* list = listView();
+		nextItem = (ConfigItem*)menu->data;
+		menu->data = this;
+
+		if (list->mode != fullMode)
+			setExpanded(true);
+		sym_calc_value(menu->sym);
+
+		if (menu->sym) {
+			enum symbol_type type = menu->sym->type;
+
+			// Allow to edit "int", "hex", and "string" in-place in
+			// the data column. Unfortunately, you cannot specify
+			// the flags per column. Set ItemIsEditable for all
+			// columns here, and check the column in createEditor().
+			if (type == S_INT || type == S_HEX || type == S_STRING)
+				setFlags(flags() | Qt::ItemIsEditable);
+		}
+	}
+	updateMenu();
+}
+
+/*
+ * destruct a menu entry
+ */
+ConfigItem::~ConfigItem(void)
+{
+	if (menu) {
+		ConfigItem** ip = (ConfigItem**)&menu->data;
+		for (; *ip; ip = &(*ip)->nextItem) {
+			if (*ip == this) {
+				*ip = nextItem;
+				break;
+			}
+		}
+	}
+}
+
+QWidget *ConfigItemDelegate::createEditor(QWidget *parent,
+					  const QStyleOptionViewItem &option,
+					  const QModelIndex &index) const
+{
+	ConfigItem *item;
+
+	// Only the data column is editable
+	if (index.column() != dataColIdx)
+		return nullptr;
+
+	// You cannot edit invisible menus
+	item = static_cast<ConfigItem *>(index.internalPointer());
+	if (!item || !item->menu || !menu_is_visible(item->menu))
+		return nullptr;
+
+	return QStyledItemDelegate::createEditor(parent, option, index);
+}
+
+void ConfigItemDelegate::setModelData(QWidget *editor,
+				      QAbstractItemModel *model,
+				      const QModelIndex &index) const
+{
+	QLineEdit *lineEdit;
+	ConfigItem *item;
+	struct symbol *sym;
+	bool success;
+
+	lineEdit = qobject_cast<QLineEdit *>(editor);
+	// If this is not a QLineEdit, use the parent's default.
+	// (does this happen?)
+	if (!lineEdit)
+		goto parent;
+
+	item = static_cast<ConfigItem *>(index.internalPointer());
+	if (!item || !item->menu)
+		goto parent;
+
+	sym = item->menu->sym;
+	if (!sym)
+		goto parent;
+
+	success = sym_set_string_value(sym, lineEdit->text().toUtf8().data());
+	if (success) {
+		ConfigList::updateListForAll();
+	} else {
+		QMessageBox::information(editor, "qconf",
+			"Cannot set the data (maybe due to out of range).\n"
+			"Setting the old value.");
+		lineEdit->setText(sym_get_string_value(sym));
+	}
+
+parent:
+	QStyledItemDelegate::setModelData(editor, model, index);
+}
+
+ConfigList::ConfigList(QWidget *parent, const char *name)
+	: QTreeWidget(parent),
+	  updateAll(false),
+	  showName(false), mode(singleMode), optMode(normalOpt),
+	  rootEntry(0), headerPopup(0)
+{
+	setObjectName(name);
+	setSortingEnabled(false);
+	setRootIsDecorated(true);
+
+	setVerticalScrollMode(ScrollPerPixel);
+	setHorizontalScrollMode(ScrollPerPixel);
+
+	setHeaderLabels(QStringList() << "Option" << "Name" << "Value");
+
+	connect(this, &ConfigList::itemSelectionChanged,
+		this, &ConfigList::updateSelection);
+
+	if (name) {
+		configSettings->beginGroup(name);
+		showName = configSettings->value("/showName", false).toBool();
+		optMode = (enum optionMode)configSettings->value("/optionMode", 0).toInt();
+		configSettings->endGroup();
+		connect(configApp, &QApplication::aboutToQuit,
+			this, &ConfigList::saveSettings);
+	}
+
+	showColumn(promptColIdx);
+
+	setItemDelegate(new ConfigItemDelegate(this));
+
+	allLists.append(this);
+
+	reinit();
+}
+
+ConfigList::~ConfigList()
+{
+	allLists.removeOne(this);
+}
+
+bool ConfigList::menuSkip(struct menu *menu)
+{
+	if (optMode == normalOpt && menu_is_visible(menu))
+		return false;
+	if (optMode == promptOpt && menu_has_prompt(menu))
+		return false;
+	if (optMode == allOpt)
+		return false;
+	return true;
+}
+
+void ConfigList::reinit(void)
+{
+	hideColumn(nameColIdx);
+
+	if (showName)
+		showColumn(nameColIdx);
+
+	updateListAll();
+}
+
+void ConfigList::setOptionMode(QAction *action)
+{
+	if (action == showNormalAction)
+		optMode = normalOpt;
+	else if (action == showAllAction)
+		optMode = allOpt;
+	else
+		optMode = promptOpt;
+
+	updateListAll();
+}
+
+void ConfigList::saveSettings(void)
+{
+	if (!objectName().isEmpty()) {
+		configSettings->beginGroup(objectName());
+		configSettings->setValue("/showName", showName);
+		configSettings->setValue("/optionMode", (int)optMode);
+		configSettings->endGroup();
+	}
+}
+
+ConfigItem* ConfigList::findConfigItem(struct menu *menu)
+{
+	ConfigItem* item = (ConfigItem*)menu->data;
+
+	for (; item; item = item->nextItem) {
+		if (this == item->listView())
+			break;
+	}
+
+	return item;
+}
+
+void ConfigList::updateSelection(void)
+{
+	struct menu *menu;
+	enum prop_type type;
+
+	if (selectedItems().count() == 0)
+		return;
+
+	ConfigItem* item = (ConfigItem*)selectedItems().first();
+	if (!item)
+		return;
+
+	menu = item->menu;
+	emit menuChanged(menu);
+	if (!menu)
+		return;
+	type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
+	if (mode == menuMode && type == P_MENU)
+		emit menuSelected(menu);
+}
+
+void ConfigList::updateList()
+{
+	ConfigItem* last = 0;
+	ConfigItem *item;
+
+	if (!rootEntry) {
+		if (mode != listMode)
+			goto update;
+		QTreeWidgetItemIterator it(this);
+
+		while (*it) {
+			item = (ConfigItem*)(*it);
+			if (!item->menu)
+				continue;
+			item->testUpdateMenu(menu_is_visible(item->menu));
+
+			++it;
+		}
+		return;
+	}
+
+	if (rootEntry != &rootmenu && (mode == singleMode ||
+	    (mode == symbolMode && rootEntry->parent != &rootmenu))) {
+		item = (ConfigItem *)topLevelItem(0);
+		if (!item)
+			item = new ConfigItem(this, 0, true);
+		last = item;
+	}
+	if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) &&
+	    rootEntry->sym && rootEntry->prompt) {
+		item = last ? last->nextSibling() : nullptr;
+		if (!item)
+			item = new ConfigItem(this, last, rootEntry, true);
+		else
+			item->testUpdateMenu(true);
+
+		updateMenuList(item, rootEntry);
+		update();
+		resizeColumnToContents(0);
+		return;
+	}
+update:
+	updateMenuList(rootEntry);
+	update();
+	resizeColumnToContents(0);
+}
+
+void ConfigList::updateListForAll()
+{
+	QListIterator<ConfigList *> it(allLists);
+
+	while (it.hasNext()) {
+		ConfigList *list = it.next();
+
+		list->updateList();
+	}
+}
+
+void ConfigList::updateListAllForAll()
+{
+	QListIterator<ConfigList *> it(allLists);
+
+	while (it.hasNext()) {
+		ConfigList *list = it.next();
+
+		list->updateList();
+	}
+}
+
+void ConfigList::setValue(ConfigItem* item, tristate val)
+{
+	struct symbol* sym;
+	int type;
+	tristate oldval;
+
+	sym = item->menu ? item->menu->sym : 0;
+	if (!sym)
+		return;
+
+	type = sym_get_type(sym);
+	switch (type) {
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		oldval = sym_get_tristate_value(sym);
+
+		if (!sym_set_tristate_value(sym, val))
+			return;
+		if (oldval == no && item->menu->list)
+			item->setExpanded(true);
+		ConfigList::updateListForAll();
+		break;
+	}
+}
+
+void ConfigList::changeValue(ConfigItem* item)
+{
+	struct symbol* sym;
+	struct menu* menu;
+	int type, oldexpr, newexpr;
+
+	menu = item->menu;
+	if (!menu)
+		return;
+	sym = menu->sym;
+	if (!sym) {
+		if (item->menu->list)
+			item->setExpanded(!item->isExpanded());
+		return;
+	}
+
+	type = sym_get_type(sym);
+	switch (type) {
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		oldexpr = sym_get_tristate_value(sym);
+		newexpr = sym_toggle_tristate_value(sym);
+		if (item->menu->list) {
+			if (oldexpr == newexpr)
+				item->setExpanded(!item->isExpanded());
+			else if (oldexpr == no)
+				item->setExpanded(true);
+		}
+		if (oldexpr != newexpr)
+			ConfigList::updateListForAll();
+		break;
+	default:
+		break;
+	}
+}
+
+void ConfigList::setRootMenu(struct menu *menu)
+{
+	enum prop_type type;
+
+	if (rootEntry == menu)
+		return;
+	type = menu && menu->prompt ? menu->prompt->type : P_UNKNOWN;
+	if (type != P_MENU)
+		return;
+	updateMenuList(0);
+	rootEntry = menu;
+	updateListAll();
+	if (currentItem()) {
+		setSelected(currentItem(), hasFocus());
+		scrollToItem(currentItem());
+	}
+}
+
+void ConfigList::setParentMenu(void)
+{
+	ConfigItem* item;
+	struct menu *oldroot;
+
+	oldroot = rootEntry;
+	if (rootEntry == &rootmenu)
+		return;
+	setRootMenu(menu_get_parent_menu(rootEntry->parent));
+
+	QTreeWidgetItemIterator it(this);
+	while (*it) {
+		item = (ConfigItem *)(*it);
+		if (item->menu == oldroot) {
+			setCurrentItem(item);
+			scrollToItem(item);
+			break;
+		}
+
+		++it;
+	}
+}
+
+/*
+ * update all the children of a menu entry
+ *   removes/adds the entries from the parent widget as necessary
+ *
+ * parent: either the menu list widget or a menu entry widget
+ * menu: entry to be updated
+ */
+void ConfigList::updateMenuList(ConfigItem *parent, struct menu* menu)
+{
+	struct menu* child;
+	ConfigItem* item;
+	ConfigItem* last;
+	bool visible;
+	enum prop_type type;
+
+	if (!menu) {
+		while (parent->childCount() > 0)
+		{
+			delete parent->takeChild(0);
+		}
+
+		return;
+	}
+
+	last = parent->firstChild();
+	if (last && !last->goParent)
+		last = 0;
+	for (child = menu->list; child; child = child->next) {
+		item = last ? last->nextSibling() : parent->firstChild();
+		type = child->prompt ? child->prompt->type : P_UNKNOWN;
+
+		switch (mode) {
+		case menuMode:
+			if (!(child->flags & MENU_ROOT))
+				goto hide;
+			break;
+		case symbolMode:
+			if (child->flags & MENU_ROOT)
+				goto hide;
+			break;
+		default:
+			break;
+		}
+
+		visible = menu_is_visible(child);
+		if (!menuSkip(child)) {
+			if (!child->sym && !child->list && !child->prompt)
+				continue;
+			if (!item || item->menu != child)
+				item = new ConfigItem(parent, last, child, visible);
+			else
+				item->testUpdateMenu(visible);
+
+			if (mode == fullMode || mode == menuMode || type != P_MENU)
+				updateMenuList(item, child);
+			else
+				updateMenuList(item, 0);
+			last = item;
+			continue;
+		}
+hide:
+		if (item && item->menu == child) {
+			last = parent->firstChild();
+			if (last == item)
+				last = 0;
+			else while (last->nextSibling() != item)
+				last = last->nextSibling();
+			delete item;
+		}
+	}
+}
+
+void ConfigList::updateMenuList(struct menu *menu)
+{
+	struct menu* child;
+	ConfigItem* item;
+	ConfigItem* last;
+	bool visible;
+	enum prop_type type;
+
+	if (!menu) {
+		while (topLevelItemCount() > 0)
+		{
+			delete takeTopLevelItem(0);
+		}
+
+		return;
+	}
+
+	last = (ConfigItem *)topLevelItem(0);
+	if (last && !last->goParent)
+		last = 0;
+	for (child = menu->list; child; child = child->next) {
+		item = last ? last->nextSibling() : (ConfigItem *)topLevelItem(0);
+		type = child->prompt ? child->prompt->type : P_UNKNOWN;
+
+		switch (mode) {
+		case menuMode:
+			if (!(child->flags & MENU_ROOT))
+				goto hide;
+			break;
+		case symbolMode:
+			if (child->flags & MENU_ROOT)
+				goto hide;
+			break;
+		default:
+			break;
+		}
+
+		visible = menu_is_visible(child);
+		if (!menuSkip(child)) {
+			if (!child->sym && !child->list && !child->prompt)
+				continue;
+			if (!item || item->menu != child)
+				item = new ConfigItem(this, last, child, visible);
+			else
+				item->testUpdateMenu(visible);
+
+			if (mode == fullMode || mode == menuMode || type != P_MENU)
+				updateMenuList(item, child);
+			else
+				updateMenuList(item, 0);
+			last = item;
+			continue;
+		}
+hide:
+		if (item && item->menu == child) {
+			last = (ConfigItem *)topLevelItem(0);
+			if (last == item)
+				last = 0;
+			else while (last->nextSibling() != item)
+				last = last->nextSibling();
+			delete item;
+		}
+	}
+}
+
+void ConfigList::keyPressEvent(QKeyEvent* ev)
+{
+	QTreeWidgetItem* i = currentItem();
+	ConfigItem* item;
+	struct menu *menu;
+	enum prop_type type;
+
+	if (ev->key() == Qt::Key_Escape && mode != fullMode && mode != listMode) {
+		emit parentSelected();
+		ev->accept();
+		return;
+	}
+
+	if (!i) {
+		Parent::keyPressEvent(ev);
+		return;
+	}
+	item = (ConfigItem*)i;
+
+	switch (ev->key()) {
+	case Qt::Key_Return:
+	case Qt::Key_Enter:
+		if (item->goParent) {
+			emit parentSelected();
+			break;
+		}
+		menu = item->menu;
+		if (!menu)
+			break;
+		type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
+		if (type == P_MENU && rootEntry != menu &&
+		    mode != fullMode && mode != menuMode) {
+			if (mode == menuMode)
+				emit menuSelected(menu);
+			else
+				emit itemSelected(menu);
+			break;
+		}
+	case Qt::Key_Space:
+		changeValue(item);
+		break;
+	case Qt::Key_N:
+		setValue(item, no);
+		break;
+	case Qt::Key_M:
+		setValue(item, mod);
+		break;
+	case Qt::Key_Y:
+		setValue(item, yes);
+		break;
+	default:
+		Parent::keyPressEvent(ev);
+		return;
+	}
+	ev->accept();
+}
+
+void ConfigList::mousePressEvent(QMouseEvent* e)
+{
+	//QPoint p(contentsToViewport(e->pos()));
+	//printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
+	Parent::mousePressEvent(e);
+}
+
+void ConfigList::mouseReleaseEvent(QMouseEvent* e)
+{
+	QPoint p = e->pos();
+	ConfigItem* item = (ConfigItem*)itemAt(p);
+	struct menu *menu;
+	enum prop_type ptype;
+	QIcon icon;
+	int idx, x;
+
+	if (!item)
+		goto skip;
+
+	menu = item->menu;
+	x = header()->offset() + p.x();
+	idx = header()->logicalIndexAt(x);
+	switch (idx) {
+	case promptColIdx:
+		icon = item->icon(promptColIdx);
+		if (!icon.isNull()) {
+			int off = header()->sectionPosition(0) + visualRect(indexAt(p)).x() + 4; // 4 is Hardcoded image offset. There might be a way to do it properly.
+			if (x >= off && x < off + icon.availableSizes().first().width()) {
+				if (item->goParent) {
+					emit parentSelected();
+					break;
+				} else if (!menu)
+					break;
+				ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
+				if (ptype == P_MENU && rootEntry != menu &&
+				    mode != fullMode && mode != menuMode &&
+                                    mode != listMode)
+					emit menuSelected(menu);
+				else
+					changeValue(item);
+			}
+		}
+		break;
+	case dataColIdx:
+		changeValue(item);
+		break;
+	}
+
+skip:
+	//printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
+	Parent::mouseReleaseEvent(e);
+}
+
+void ConfigList::mouseMoveEvent(QMouseEvent* e)
+{
+	//QPoint p(contentsToViewport(e->pos()));
+	//printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
+	Parent::mouseMoveEvent(e);
+}
+
+void ConfigList::mouseDoubleClickEvent(QMouseEvent* e)
+{
+	QPoint p = e->pos();
+	ConfigItem* item = (ConfigItem*)itemAt(p);
+	struct menu *menu;
+	enum prop_type ptype;
+
+	if (!item)
+		goto skip;
+	if (item->goParent) {
+		emit parentSelected();
+		goto skip;
+	}
+	menu = item->menu;
+	if (!menu)
+		goto skip;
+	ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
+	if (ptype == P_MENU && mode != listMode) {
+		if (mode == singleMode)
+			emit itemSelected(menu);
+		else if (mode == symbolMode)
+			emit menuSelected(menu);
+	} else if (menu->sym)
+		changeValue(item);
+
+skip:
+	//printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
+	Parent::mouseDoubleClickEvent(e);
+}
+
+void ConfigList::focusInEvent(QFocusEvent *e)
+{
+	struct menu *menu = NULL;
+
+	Parent::focusInEvent(e);
+
+	ConfigItem* item = (ConfigItem *)currentItem();
+	if (item) {
+		setSelected(item, true);
+		menu = item->menu;
+	}
+	emit gotFocus(menu);
+}
+
+void ConfigList::contextMenuEvent(QContextMenuEvent *e)
+{
+	if (!headerPopup) {
+		QAction *action;
+
+		headerPopup = new QMenu(this);
+		action = new QAction("Show Name", this);
+		action->setCheckable(true);
+		connect(action, &QAction::toggled,
+			this, &ConfigList::setShowName);
+		connect(this, &ConfigList::showNameChanged,
+			action, &QAction::setChecked);
+		action->setChecked(showName);
+		headerPopup->addAction(action);
+	}
+
+	headerPopup->exec(e->globalPos());
+	e->accept();
+}
+
+void ConfigList::setShowName(bool on)
+{
+	if (showName == on)
+		return;
+
+	showName = on;
+	reinit();
+	emit showNameChanged(on);
+}
+
+QList<ConfigList *> ConfigList::allLists;
+QAction *ConfigList::showNormalAction;
+QAction *ConfigList::showAllAction;
+QAction *ConfigList::showPromptAction;
+
+void ConfigList::setAllOpen(bool open)
+{
+	QTreeWidgetItemIterator it(this);
+
+	while (*it) {
+		(*it)->setExpanded(open);
+
+		++it;
+	}
+}
+
+ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
+	: Parent(parent), sym(0), _menu(0)
+{
+	setObjectName(name);
+	setOpenLinks(false);
+
+	if (!objectName().isEmpty()) {
+		configSettings->beginGroup(objectName());
+		setShowDebug(configSettings->value("/showDebug", false).toBool());
+		configSettings->endGroup();
+		connect(configApp, &QApplication::aboutToQuit,
+			this, &ConfigInfoView::saveSettings);
+	}
+
+	contextMenu = createStandardContextMenu();
+	QAction *action = new QAction("Show Debug Info", contextMenu);
+
+	action->setCheckable(true);
+	connect(action, &QAction::toggled,
+		this, &ConfigInfoView::setShowDebug);
+	connect(this, &ConfigInfoView::showDebugChanged,
+		action, &QAction::setChecked);
+	action->setChecked(showDebug());
+	contextMenu->addSeparator();
+	contextMenu->addAction(action);
+}
+
+void ConfigInfoView::saveSettings(void)
+{
+	if (!objectName().isEmpty()) {
+		configSettings->beginGroup(objectName());
+		configSettings->setValue("/showDebug", showDebug());
+		configSettings->endGroup();
+	}
+}
+
+void ConfigInfoView::setShowDebug(bool b)
+{
+	if (_showDebug != b) {
+		_showDebug = b;
+		if (_menu)
+			menuInfo();
+		else if (sym)
+			symbolInfo();
+		emit showDebugChanged(b);
+	}
+}
+
+void ConfigInfoView::setInfo(struct menu *m)
+{
+	if (_menu == m)
+		return;
+	_menu = m;
+	sym = NULL;
+	if (!_menu)
+		clear();
+	else
+		menuInfo();
+}
+
+void ConfigInfoView::symbolInfo(void)
+{
+	QString str;
+
+	str += "<big>Symbol: <b>";
+	str += print_filter(sym->name);
+	str += "</b></big><br><br>value: ";
+	str += print_filter(sym_get_string_value(sym));
+	str += "<br>visibility: ";
+	str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
+	str += "<br>";
+	str += debug_info(sym);
+
+	setText(str);
+}
+
+void ConfigInfoView::menuInfo(void)
+{
+	struct symbol* sym;
+	QString info;
+	QTextStream stream(&info);
+
+	sym = _menu->sym;
+	if (sym) {
+		if (_menu->prompt) {
+			stream << "<big><b>";
+			stream << print_filter(_menu->prompt->text);
+			stream << "</b></big>";
+			if (sym->name) {
+				stream << " (";
+				if (showDebug())
+					stream << "<a href=\"s" << sym->name << "\">";
+				stream << print_filter(sym->name);
+				if (showDebug())
+					stream << "</a>";
+				stream << ")";
+			}
+		} else if (sym->name) {
+			stream << "<big><b>";
+			if (showDebug())
+				stream << "<a href=\"s" << sym->name << "\">";
+			stream << print_filter(sym->name);
+			if (showDebug())
+				stream << "</a>";
+			stream << "</b></big>";
+		}
+		stream << "<br><br>";
+
+		if (showDebug())
+			stream << debug_info(sym);
+
+		struct gstr help_gstr = str_new();
+
+		menu_get_ext_help(_menu, &help_gstr);
+		stream << print_filter(str_get(&help_gstr));
+		str_free(&help_gstr);
+	} else if (_menu->prompt) {
+		stream << "<big><b>";
+		stream << print_filter(_menu->prompt->text);
+		stream << "</b></big><br><br>";
+		if (showDebug()) {
+			if (_menu->prompt->visible.expr) {
+				stream << "&nbsp;&nbsp;dep: ";
+				expr_print(_menu->prompt->visible.expr,
+					   expr_print_help, &stream, E_NONE);
+				stream << "<br><br>";
+			}
+
+			stream << "defined at " << _menu->file->name << ":"
+			       << _menu->lineno << "<br><br>";
+		}
+	}
+
+	setText(info);
+}
+
+QString ConfigInfoView::debug_info(struct symbol *sym)
+{
+	QString debug;
+	QTextStream stream(&debug);
+
+	stream << "type: ";
+	stream << print_filter(sym_type_name(sym->type));
+	if (sym_is_choice(sym))
+		stream << " (choice)";
+	debug += "<br>";
+	if (sym->rev_dep.expr) {
+		stream << "reverse dep: ";
+		expr_print(sym->rev_dep.expr, expr_print_help, &stream, E_NONE);
+		stream << "<br>";
+	}
+	for (struct property *prop = sym->prop; prop; prop = prop->next) {
+		switch (prop->type) {
+		case P_PROMPT:
+		case P_MENU:
+			stream << "prompt: <a href=\"m" << sym->name << "\">";
+			stream << print_filter(prop->text);
+			stream << "</a><br>";
+			break;
+		case P_DEFAULT:
+		case P_SELECT:
+		case P_RANGE:
+		case P_COMMENT:
+		case P_IMPLY:
+		case P_SYMBOL:
+			stream << prop_get_type_name(prop->type);
+			stream << ": ";
+			expr_print(prop->expr, expr_print_help,
+				   &stream, E_NONE);
+			stream << "<br>";
+			break;
+		case P_CHOICE:
+			if (sym_is_choice(sym)) {
+				stream << "choice: ";
+				expr_print(prop->expr, expr_print_help,
+					   &stream, E_NONE);
+				stream << "<br>";
+			}
+			break;
+		default:
+			stream << "unknown property: ";
+			stream << prop_get_type_name(prop->type);
+			stream << "<br>";
+		}
+		if (prop->visible.expr) {
+			stream << "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
+			expr_print(prop->visible.expr, expr_print_help,
+				   &stream, E_NONE);
+			stream << "<br>";
+		}
+	}
+	stream << "<br>";
+
+	return debug;
+}
+
+QString ConfigInfoView::print_filter(const QString &str)
+{
+	QRegExp re("[<>&\"\\n]");
+	QString res = str;
+	for (int i = 0; (i = res.indexOf(re, i)) >= 0;) {
+		switch (res[i].toLatin1()) {
+		case '<':
+			res.replace(i, 1, "&lt;");
+			i += 4;
+			break;
+		case '>':
+			res.replace(i, 1, "&gt;");
+			i += 4;
+			break;
+		case '&':
+			res.replace(i, 1, "&amp;");
+			i += 5;
+			break;
+		case '"':
+			res.replace(i, 1, "&quot;");
+			i += 6;
+			break;
+		case '\n':
+			res.replace(i, 1, "<br>");
+			i += 4;
+			break;
+		}
+	}
+	return res;
+}
+
+void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
+{
+	QTextStream *stream = reinterpret_cast<QTextStream *>(data);
+
+	if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
+		*stream << "<a href=\"s" << sym->name << "\">";
+		*stream << print_filter(str);
+		*stream << "</a>";
+	} else {
+		*stream << print_filter(str);
+	}
+}
+
+void ConfigInfoView::clicked(const QUrl &url)
+{
+	QByteArray str = url.toEncoded();
+	const std::size_t count = str.size();
+	char *data = new char[count + 1];
+	struct symbol **result;
+	struct menu *m = NULL;
+
+	if (count < 1) {
+		delete[] data;
+		return;
+	}
+
+	memcpy(data, str.constData(), count);
+	data[count] = '\0';
+
+	/* Seek for exact match */
+	data[0] = '^';
+	strcat(data, "$");
+	result = sym_re_search(data);
+	if (!result) {
+		delete[] data;
+		return;
+	}
+
+	sym = *result;
+
+	/* Seek for the menu which holds the symbol */
+	for (struct property *prop = sym->prop; prop; prop = prop->next) {
+		    if (prop->type != P_PROMPT && prop->type != P_MENU)
+			    continue;
+		    m = prop->menu;
+		    break;
+	}
+
+	if (!m) {
+		/* Symbol is not visible as a menu */
+		symbolInfo();
+		emit showDebugChanged(true);
+	} else {
+		emit menuSelected(m);
+	}
+
+	free(result);
+	delete[] data;
+}
+
+void ConfigInfoView::contextMenuEvent(QContextMenuEvent *event)
+{
+	contextMenu->popup(event->globalPos());
+	event->accept();
+}
+
+ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow *parent)
+	: Parent(parent), result(NULL)
+{
+	setObjectName("search");
+	setWindowTitle("Search Config");
+
+	QVBoxLayout* layout1 = new QVBoxLayout(this);
+	layout1->setContentsMargins(11, 11, 11, 11);
+	layout1->setSpacing(6);
+
+	QHBoxLayout* layout2 = new QHBoxLayout();
+	layout2->setContentsMargins(0, 0, 0, 0);
+	layout2->setSpacing(6);
+	layout2->addWidget(new QLabel("Find:", this));
+	editField = new QLineEdit(this);
+	connect(editField, &QLineEdit::returnPressed,
+		this, &ConfigSearchWindow::search);
+	layout2->addWidget(editField);
+	searchButton = new QPushButton("Search", this);
+	searchButton->setAutoDefault(false);
+	connect(searchButton, &QPushButton::clicked,
+		this, &ConfigSearchWindow::search);
+	layout2->addWidget(searchButton);
+	layout1->addLayout(layout2);
+
+	split = new QSplitter(this);
+	split->setOrientation(Qt::Vertical);
+	list = new ConfigList(split, "search");
+	list->mode = listMode;
+	info = new ConfigInfoView(split, "search");
+	connect(list, &ConfigList::menuChanged,
+		info, &ConfigInfoView::setInfo);
+	connect(list, &ConfigList::menuChanged,
+		parent, &ConfigMainWindow::setMenuLink);
+
+	layout1->addWidget(split);
+
+	QVariant x, y;
+	int width, height;
+	bool ok;
+
+	configSettings->beginGroup("search");
+	width = configSettings->value("/window width", parent->width() / 2).toInt();
+	height = configSettings->value("/window height", parent->height() / 2).toInt();
+	resize(width, height);
+	x = configSettings->value("/window x");
+	y = configSettings->value("/window y");
+	if (x.isValid() && y.isValid())
+		move(x.toInt(), y.toInt());
+	QList<int> sizes = configSettings->readSizes("/split", &ok);
+	if (ok)
+		split->setSizes(sizes);
+	configSettings->endGroup();
+	connect(configApp, &QApplication::aboutToQuit,
+		this, &ConfigSearchWindow::saveSettings);
+}
+
+void ConfigSearchWindow::saveSettings(void)
+{
+	if (!objectName().isEmpty()) {
+		configSettings->beginGroup(objectName());
+		configSettings->setValue("/window x", pos().x());
+		configSettings->setValue("/window y", pos().y());
+		configSettings->setValue("/window width", size().width());
+		configSettings->setValue("/window height", size().height());
+		configSettings->writeSizes("/split", split->sizes());
+		configSettings->endGroup();
+	}
+}
+
+void ConfigSearchWindow::search(void)
+{
+	struct symbol **p;
+	struct property *prop;
+	ConfigItem *lastItem = NULL;
+
+	free(result);
+	list->clear();
+	info->clear();
+
+	result = sym_re_search(editField->text().toLatin1());
+	if (!result)
+		return;
+	for (p = result; *p; p++) {
+		for_all_prompts((*p), prop)
+			lastItem = new ConfigItem(list, lastItem, prop->menu,
+						  menu_is_visible(prop->menu));
+	}
+}
+
+/*
+ * Construct the complete config widget
+ */
+ConfigMainWindow::ConfigMainWindow(void)
+	: searchWindow(0)
+{
+	bool ok = true;
+	QVariant x, y;
+	int width, height;
+	char title[256];
+
+	QDesktopWidget *d = configApp->desktop();
+	snprintf(title, sizeof(title), "%s%s",
+		rootmenu.prompt->text,
+		""
+		);
+	setWindowTitle(title);
+
+	width = configSettings->value("/window width", d->width() - 64).toInt();
+	height = configSettings->value("/window height", d->height() - 64).toInt();
+	resize(width, height);
+	x = configSettings->value("/window x");
+	y = configSettings->value("/window y");
+	if ((x.isValid())&&(y.isValid()))
+		move(x.toInt(), y.toInt());
+
+	// set up icons
+	ConfigItem::symbolYesIcon = QIcon(QPixmap(xpm_symbol_yes));
+	ConfigItem::symbolModIcon = QIcon(QPixmap(xpm_symbol_mod));
+	ConfigItem::symbolNoIcon = QIcon(QPixmap(xpm_symbol_no));
+	ConfigItem::choiceYesIcon = QIcon(QPixmap(xpm_choice_yes));
+	ConfigItem::choiceNoIcon = QIcon(QPixmap(xpm_choice_no));
+	ConfigItem::menuIcon = QIcon(QPixmap(xpm_menu));
+	ConfigItem::menubackIcon = QIcon(QPixmap(xpm_menuback));
+
+	QWidget *widget = new QWidget(this);
+	QVBoxLayout *layout = new QVBoxLayout(widget);
+	setCentralWidget(widget);
+
+	split1 = new QSplitter(widget);
+	split1->setOrientation(Qt::Horizontal);
+	split1->setChildrenCollapsible(false);
+
+	menuList = new ConfigList(widget, "menu");
+
+	split2 = new QSplitter(widget);
+	split2->setChildrenCollapsible(false);
+	split2->setOrientation(Qt::Vertical);
+
+	// create config tree
+	configList = new ConfigList(widget, "config");
+
+	helpText = new ConfigInfoView(widget, "help");
+
+	layout->addWidget(split2);
+	split2->addWidget(split1);
+	split1->addWidget(configList);
+	split1->addWidget(menuList);
+	split2->addWidget(helpText);
+
+	setTabOrder(configList, helpText);
+	configList->setFocus();
+
+	backAction = new QAction(QPixmap(xpm_back), "Back", this);
+	connect(backAction, &QAction::triggered,
+		this, &ConfigMainWindow::goBack);
+
+	QAction *quitAction = new QAction("&Quit", this);
+	quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
+	connect(quitAction, &QAction::triggered,
+		this, &ConfigMainWindow::close);
+
+	QAction *loadAction = new QAction(QPixmap(xpm_load), "&Load", this);
+	loadAction->setShortcut(Qt::CTRL + Qt::Key_L);
+	connect(loadAction, &QAction::triggered,
+		this, &ConfigMainWindow::loadConfig);
+
+	saveAction = new QAction(QPixmap(xpm_save), "&Save", this);
+	saveAction->setShortcut(Qt::CTRL + Qt::Key_S);
+	connect(saveAction, &QAction::triggered,
+		this, &ConfigMainWindow::saveConfig);
+
+	conf_set_changed_callback(conf_changed);
+
+	// Set saveAction's initial state
+	conf_changed();
+	configname = xstrdup(conf_get_configname());
+
+	QAction *saveAsAction = new QAction("Save &As...", this);
+	connect(saveAsAction, &QAction::triggered,
+		this, &ConfigMainWindow::saveConfigAs);
+	QAction *searchAction = new QAction("&Find", this);
+	searchAction->setShortcut(Qt::CTRL + Qt::Key_F);
+	connect(searchAction, &QAction::triggered,
+		this, &ConfigMainWindow::searchConfig);
+	singleViewAction = new QAction(QPixmap(xpm_single_view), "Single View", this);
+	singleViewAction->setCheckable(true);
+	connect(singleViewAction, &QAction::triggered,
+		this, &ConfigMainWindow::showSingleView);
+	splitViewAction = new QAction(QPixmap(xpm_split_view), "Split View", this);
+	splitViewAction->setCheckable(true);
+	connect(splitViewAction, &QAction::triggered,
+		this, &ConfigMainWindow::showSplitView);
+	fullViewAction = new QAction(QPixmap(xpm_tree_view), "Full View", this);
+	fullViewAction->setCheckable(true);
+	connect(fullViewAction, &QAction::triggered,
+		this, &ConfigMainWindow::showFullView);
+
+	QAction *showNameAction = new QAction("Show Name", this);
+	  showNameAction->setCheckable(true);
+	connect(showNameAction, &QAction::toggled,
+		configList, &ConfigList::setShowName);
+	showNameAction->setChecked(configList->showName);
+
+	QActionGroup *optGroup = new QActionGroup(this);
+	optGroup->setExclusive(true);
+	connect(optGroup, &QActionGroup::triggered,
+		configList, &ConfigList::setOptionMode);
+	connect(optGroup, &QActionGroup::triggered,
+		menuList, &ConfigList::setOptionMode);
+
+	ConfigList::showNormalAction = new QAction("Show Normal Options", optGroup);
+	ConfigList::showNormalAction->setCheckable(true);
+	ConfigList::showAllAction = new QAction("Show All Options", optGroup);
+	ConfigList::showAllAction->setCheckable(true);
+	ConfigList::showPromptAction = new QAction("Show Prompt Options", optGroup);
+	ConfigList::showPromptAction->setCheckable(true);
+
+	QAction *showDebugAction = new QAction("Show Debug Info", this);
+	  showDebugAction->setCheckable(true);
+	connect(showDebugAction, &QAction::toggled,
+		helpText, &ConfigInfoView::setShowDebug);
+	  showDebugAction->setChecked(helpText->showDebug());
+
+	QAction *showIntroAction = new QAction("Introduction", this);
+	connect(showIntroAction, &QAction::triggered,
+		this, &ConfigMainWindow::showIntro);
+	QAction *showAboutAction = new QAction("About", this);
+	connect(showAboutAction, &QAction::triggered,
+		this, &ConfigMainWindow::showAbout);
+
+	// init tool bar
+	QToolBar *toolBar = addToolBar("Tools");
+	toolBar->addAction(backAction);
+	toolBar->addSeparator();
+	toolBar->addAction(loadAction);
+	toolBar->addAction(saveAction);
+	toolBar->addSeparator();
+	toolBar->addAction(singleViewAction);
+	toolBar->addAction(splitViewAction);
+	toolBar->addAction(fullViewAction);
+
+	// create file menu
+	QMenu *menu = menuBar()->addMenu("&File");
+	menu->addAction(loadAction);
+	menu->addAction(saveAction);
+	menu->addAction(saveAsAction);
+	menu->addSeparator();
+	menu->addAction(quitAction);
+
+	// create edit menu
+	menu = menuBar()->addMenu("&Edit");
+	menu->addAction(searchAction);
+
+	// create options menu
+	menu = menuBar()->addMenu("&Option");
+	menu->addAction(showNameAction);
+	menu->addSeparator();
+	menu->addActions(optGroup->actions());
+	menu->addSeparator();
+	menu->addAction(showDebugAction);
+
+	// create help menu
+	menu = menuBar()->addMenu("&Help");
+	menu->addAction(showIntroAction);
+	menu->addAction(showAboutAction);
+
+	connect(helpText, &ConfigInfoView::anchorClicked,
+		helpText, &ConfigInfoView::clicked);
+
+	connect(configList, &ConfigList::menuChanged,
+		helpText, &ConfigInfoView::setInfo);
+	connect(configList, &ConfigList::menuSelected,
+		this, &ConfigMainWindow::changeMenu);
+	connect(configList, &ConfigList::itemSelected,
+		this, &ConfigMainWindow::changeItens);
+	connect(configList, &ConfigList::parentSelected,
+		this, &ConfigMainWindow::goBack);
+	connect(menuList, &ConfigList::menuChanged,
+		helpText, &ConfigInfoView::setInfo);
+	connect(menuList, &ConfigList::menuSelected,
+		this, &ConfigMainWindow::changeMenu);
+
+	connect(configList, &ConfigList::gotFocus,
+		helpText, &ConfigInfoView::setInfo);
+	connect(menuList, &ConfigList::gotFocus,
+		helpText, &ConfigInfoView::setInfo);
+	connect(menuList, &ConfigList::gotFocus,
+		this, &ConfigMainWindow::listFocusChanged);
+	connect(helpText, &ConfigInfoView::menuSelected,
+		this, &ConfigMainWindow::setMenuLink);
+
+	QString listMode = configSettings->value("/listMode", "symbol").toString();
+	if (listMode == "single")
+		showSingleView();
+	else if (listMode == "full")
+		showFullView();
+	else /*if (listMode == "split")*/
+		showSplitView();
+
+	// UI setup done, restore splitter positions
+	QList<int> sizes = configSettings->readSizes("/split1", &ok);
+	if (ok)
+		split1->setSizes(sizes);
+
+	sizes = configSettings->readSizes("/split2", &ok);
+	if (ok)
+		split2->setSizes(sizes);
+}
+
+void ConfigMainWindow::loadConfig(void)
+{
+	QString str;
+	QByteArray ba;
+	const char *name;
+
+	str = QFileDialog::getOpenFileName(this, "", configname);
+	if (str.isNull())
+		return;
+
+	ba = str.toLocal8Bit();
+	name = ba.data();
+
+	if (conf_read(name))
+		QMessageBox::information(this, "qconf", "Unable to load configuration!");
+
+	free(configname);
+	configname = xstrdup(name);
+
+	ConfigList::updateListAllForAll();
+}
+
+bool ConfigMainWindow::saveConfig(void)
+{
+	if (conf_write(configname)) {
+		QMessageBox::information(this, "qconf", "Unable to save configuration!");
+		return false;
+	}
+	conf_write_autoconf(0);
+
+	return true;
+}
+
+void ConfigMainWindow::saveConfigAs(void)
+{
+	QString str;
+	QByteArray ba;
+	const char *name;
+
+	str = QFileDialog::getSaveFileName(this, "", configname);
+	if (str.isNull())
+		return;
+
+	ba = str.toLocal8Bit();
+	name = ba.data();
+
+	if (conf_write(name)) {
+		QMessageBox::information(this, "qconf", "Unable to save configuration!");
+	}
+	conf_write_autoconf(0);
+
+	free(configname);
+	configname = xstrdup(name);
+}
+
+void ConfigMainWindow::searchConfig(void)
+{
+	if (!searchWindow)
+		searchWindow = new ConfigSearchWindow(this);
+	searchWindow->show();
+}
+
+void ConfigMainWindow::changeItens(struct menu *menu)
+{
+	configList->setRootMenu(menu);
+}
+
+void ConfigMainWindow::changeMenu(struct menu *menu)
+{
+	menuList->setRootMenu(menu);
+}
+
+void ConfigMainWindow::setMenuLink(struct menu *menu)
+{
+	struct menu *parent;
+	ConfigList* list = NULL;
+	ConfigItem* item;
+
+	if (configList->menuSkip(menu))
+		return;
+
+	switch (configList->mode) {
+	case singleMode:
+		list = configList;
+		parent = menu_get_parent_menu(menu);
+		if (!parent)
+			return;
+		list->setRootMenu(parent);
+		break;
+	case menuMode:
+		if (menu->flags & MENU_ROOT) {
+			menuList->setRootMenu(menu);
+			configList->clearSelection();
+			list = configList;
+		} else {
+			parent = menu_get_parent_menu(menu->parent);
+			if (!parent)
+				return;
+
+			/* Select the config view */
+			item = configList->findConfigItem(parent);
+			if (item) {
+				configList->setSelected(item, true);
+				configList->scrollToItem(item);
+			}
+
+			menuList->setRootMenu(parent);
+			menuList->clearSelection();
+			list = menuList;
+		}
+		break;
+	case fullMode:
+		list = configList;
+		break;
+	default:
+		break;
+	}
+
+	if (list) {
+		item = list->findConfigItem(menu);
+		if (item) {
+			list->setSelected(item, true);
+			list->scrollToItem(item);
+			list->setFocus();
+			helpText->setInfo(menu);
+		}
+	}
+}
+
+void ConfigMainWindow::listFocusChanged(void)
+{
+	if (menuList->mode == menuMode)
+		configList->clearSelection();
+}
+
+void ConfigMainWindow::goBack(void)
+{
+	if (configList->rootEntry == &rootmenu)
+		return;
+
+	configList->setParentMenu();
+}
+
+void ConfigMainWindow::showSingleView(void)
+{
+	singleViewAction->setEnabled(false);
+	singleViewAction->setChecked(true);
+	splitViewAction->setEnabled(true);
+	splitViewAction->setChecked(false);
+	fullViewAction->setEnabled(true);
+	fullViewAction->setChecked(false);
+
+	backAction->setEnabled(true);
+
+	menuList->hide();
+	menuList->setRootMenu(0);
+	configList->mode = singleMode;
+	if (configList->rootEntry == &rootmenu)
+		configList->updateListAll();
+	else
+		configList->setRootMenu(&rootmenu);
+	configList->setFocus();
+}
+
+void ConfigMainWindow::showSplitView(void)
+{
+	singleViewAction->setEnabled(true);
+	singleViewAction->setChecked(false);
+	splitViewAction->setEnabled(false);
+	splitViewAction->setChecked(true);
+	fullViewAction->setEnabled(true);
+	fullViewAction->setChecked(false);
+
+	backAction->setEnabled(false);
+
+	configList->mode = menuMode;
+	if (configList->rootEntry == &rootmenu)
+		configList->updateListAll();
+	else
+		configList->setRootMenu(&rootmenu);
+	configList->setAllOpen(true);
+	configApp->processEvents();
+	menuList->mode = symbolMode;
+	menuList->setRootMenu(&rootmenu);
+	menuList->setAllOpen(true);
+	menuList->show();
+	menuList->setFocus();
+}
+
+void ConfigMainWindow::showFullView(void)
+{
+	singleViewAction->setEnabled(true);
+	singleViewAction->setChecked(false);
+	splitViewAction->setEnabled(true);
+	splitViewAction->setChecked(false);
+	fullViewAction->setEnabled(false);
+	fullViewAction->setChecked(true);
+
+	backAction->setEnabled(false);
+
+	menuList->hide();
+	menuList->setRootMenu(0);
+	configList->mode = fullMode;
+	if (configList->rootEntry == &rootmenu)
+		configList->updateListAll();
+	else
+		configList->setRootMenu(&rootmenu);
+	configList->setFocus();
+}
+
+/*
+ * ask for saving configuration before quitting
+ */
+void ConfigMainWindow::closeEvent(QCloseEvent* e)
+{
+	if (!conf_get_changed()) {
+		e->accept();
+		return;
+	}
+	QMessageBox mb("qconf", "Save configuration?", QMessageBox::Warning,
+			QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
+	mb.setButtonText(QMessageBox::Yes, "&Save Changes");
+	mb.setButtonText(QMessageBox::No, "&Discard Changes");
+	mb.setButtonText(QMessageBox::Cancel, "Cancel Exit");
+	switch (mb.exec()) {
+	case QMessageBox::Yes:
+		if (saveConfig())
+			e->accept();
+		else
+			e->ignore();
+		break;
+	case QMessageBox::No:
+		e->accept();
+		break;
+	case QMessageBox::Cancel:
+		e->ignore();
+		break;
+	}
+}
+
+void ConfigMainWindow::showIntro(void)
+{
+	static const QString str =
+		"Welcome to the qconf graphical configuration tool.\n"
+		"\n"
+		"For bool and tristate options, a blank box indicates the "
+		"feature is disabled, a check indicates it is enabled, and a "
+		"dot indicates that it is to be compiled as a module. Clicking "
+		"on the box will cycle through the three states. For int, hex, "
+		"and string options, double-clicking or pressing F2 on the "
+		"Value cell will allow you to edit the value.\n"
+		"\n"
+		"If you do not see an option (e.g., a device driver) that you "
+		"believe should be present, try turning on Show All Options "
+		"under the Options menu. Enabling Show Debug Info will help you"
+		"figure out what other options must be enabled to support the "
+		"option you are interested in, and hyperlinks will navigate to "
+		"them.\n"
+		"\n"
+		"Toggling Show Debug Info under the Options menu will show the "
+		"dependencies, which you can then match by examining other "
+		"options.\n";
+
+	QMessageBox::information(this, "qconf", str);
+}
+
+void ConfigMainWindow::showAbout(void)
+{
+	static const QString str = "qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n"
+		"Copyright (C) 2015 Boris Barbulovski <bbarbulovski@gmail.com>.\n"
+		"\n"
+		"Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n"
+		"\n"
+		"Qt Version: ";
+
+	QMessageBox::information(this, "qconf", str + qVersion());
+}
+
+void ConfigMainWindow::saveSettings(void)
+{
+	configSettings->setValue("/window x", pos().x());
+	configSettings->setValue("/window y", pos().y());
+	configSettings->setValue("/window width", size().width());
+	configSettings->setValue("/window height", size().height());
+
+	QString entry;
+	switch(configList->mode) {
+	case singleMode :
+		entry = "single";
+		break;
+
+	case symbolMode :
+		entry = "split";
+		break;
+
+	case fullMode :
+		entry = "full";
+		break;
+
+	default:
+		break;
+	}
+	configSettings->setValue("/listMode", entry);
+
+	configSettings->writeSizes("/split1", split1->sizes());
+	configSettings->writeSizes("/split2", split2->sizes());
+}
+
+void ConfigMainWindow::conf_changed(void)
+{
+	if (saveAction)
+		saveAction->setEnabled(conf_get_changed());
+}
+
+void fixup_rootmenu(struct menu *menu)
+{
+	struct menu *child;
+	static int menu_cnt = 0;
+
+	menu->flags |= MENU_ROOT;
+	for (child = menu->list; child; child = child->next) {
+		if (child->prompt && child->prompt->type == P_MENU) {
+			menu_cnt++;
+			fixup_rootmenu(child);
+			menu_cnt--;
+		} else if (!menu_cnt)
+			fixup_rootmenu(child);
+	}
+}
+
+static const char *progname;
+
+static void usage(void)
+{
+	printf("%s [-s] <config>\n", progname);
+	exit(0);
+}
+
+int main(int ac, char** av)
+{
+	ConfigMainWindow* v;
+	const char *name;
+
+	progname = av[0];
+	if (ac > 1 && av[1][0] == '-') {
+		switch (av[1][1]) {
+		case 's':
+			conf_set_message_callback(NULL);
+			break;
+		case 'h':
+		case '?':
+			usage();
+		}
+		name = av[2];
+	} else
+		name = av[1];
+	if (!name)
+		usage();
+
+	conf_parse(name);
+	fixup_rootmenu(&rootmenu);
+	conf_read(NULL);
+	//zconfdump(stdout);
+
+	configApp = new QApplication(ac, av);
+
+	configSettings = new ConfigSettings();
+	configSettings->beginGroup("/kconfig/qconf");
+	v = new ConfigMainWindow();
+
+	//zconfdump(stdout);
+	configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
+	configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
+	v->show();
+	configApp->exec();
+
+	configSettings->endGroup();
+	delete configSettings;
+	delete v;
+	delete configApp;
+
+	return 0;
+}