qconf.cc 41.6 KB
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/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * Released under the terms of the GNU GPL v2.0.
 */

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#include <qglobal.h>

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#include <QMainWindow>
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#include <QList>
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#include <qtextbrowser.h>
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#include <QAction>
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#include <QFileDialog>
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#include <QMenu>
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#include <qapplication.h>
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#include <qdesktopwidget.h>
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#include <qtoolbar.h>
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#include <qlayout.h>
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#include <qsplitter.h>
#include <qlineedit.h>
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#include <qlabel.h>
#include <qpushbutton.h>
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#include <qmenubar.h>
#include <qmessagebox.h>
#include <qregexp.h>
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#include <qevent.h>
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#include <stdlib.h>

#include "lkc.h"
#include "qconf.h"

#include "qconf.moc"
#include "images.c"

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#ifdef _
# undef _
# define _ qgettext
#endif

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static QApplication *configApp;
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static ConfigSettings *configSettings;
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QAction *ConfigMainWindow::saveAction;
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static inline QString qgettext(const char* str)
{
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	return QString::fromLocal8Bit(gettext(str));
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}

static inline QString qgettext(const QString& str)
{
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	return QString::fromLocal8Bit(gettext(str.toLatin1()));
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}

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ConfigSettings::ConfigSettings()
	: QSettings("kernel.org", "qconf")
{
}

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/**
 * Reads a list of integer values from the application settings.
 */
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QList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
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{
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	QList<int> result;
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	QStringList entryList = value(key).toStringList();
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	QStringList::Iterator it;

	for (it = entryList.begin(); it != entryList.end(); ++it)
		result.push_back((*it).toInt());
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	return result;
}

/**
 * Writes a list of integer values to the application settings.
 */
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bool ConfigSettings::writeSizes(const QString& key, const QList<int>& value)
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{
	QStringList stringList;
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	QList<int>::ConstIterator it;
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	for (it = value.begin(); it != value.end(); ++it)
		stringList.push_back(QString::number(*it));
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	setValue(key, stringList);
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	return true;
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}

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/*
 * set the new data
 * TODO check the value
 */
void ConfigItem::okRename(int col)
{
}

/*
 * update the displayed of a menu entry
 */
void ConfigItem::updateMenu(void)
{
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	ConfigList* list;
	struct symbol* sym;
	struct property *prop;
	QString prompt;
	int type;
	tristate expr;

	list = listView();
	if (goParent) {
		setPixmap(promptColIdx, list->menuBackPix);
		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;
			setPixmap(promptColIdx, list->menuPix);
		} else {
			if (sym)
				break;
			setPixmap(promptColIdx, QIcon());
		}
		goto set_prompt;
	case P_COMMENT:
		setPixmap(promptColIdx, QIcon());
		goto set_prompt;
	default:
		;
	}
	if (!sym)
		goto set_prompt;

	setText(nameColIdx, QString::fromLocal8Bit(sym->name));

	type = sym_get_type(sym);
	switch (type) {
	case S_BOOLEAN:
	case S_TRISTATE:
		char ch;

		if (!sym_is_changable(sym) && list->optMode == normalOpt) {
			setPixmap(promptColIdx, QIcon());
			setText(noColIdx, QString::null);
			setText(modColIdx, QString::null);
			setText(yesColIdx, QString::null);
			break;
		}
		expr = sym_get_tristate_value(sym);
		switch (expr) {
		case yes:
			if (sym_is_choice_value(sym) && type == S_BOOLEAN)
				setPixmap(promptColIdx, list->choiceYesPix);
			else
				setPixmap(promptColIdx, list->symbolYesPix);
			setText(yesColIdx, "Y");
			ch = 'Y';
			break;
		case mod:
			setPixmap(promptColIdx, list->symbolModPix);
			setText(modColIdx, "M");
			ch = 'M';
			break;
		default:
			if (sym_is_choice_value(sym) && type == S_BOOLEAN)
				setPixmap(promptColIdx, list->choiceNoPix);
			else
				setPixmap(promptColIdx, list->symbolNoPix);
			setText(noColIdx, "N");
			ch = 'N';
			break;
		}
		if (expr != no)
			setText(noColIdx, sym_tristate_within_range(sym, no) ? "_" : 0);
		if (expr != mod)
			setText(modColIdx, sym_tristate_within_range(sym, mod) ? "_" : 0);
		if (expr != yes)
			setText(yesColIdx, sym_tristate_within_range(sym, yes) ? "_" : 0);

		setText(dataColIdx, QChar(ch));
		break;
	case S_INT:
	case S_HEX:
	case S_STRING:
		const char* data;

		data = sym_get_string_value(sym);

		//int i = list->mapIdx(dataColIdx);
		//if (i >= 0)
		//	setRenameEnabled(i, true);
		setText(dataColIdx, data);
		if (type == S_STRING)
			prompt = QString("%1: %2").arg(prompt).arg(data);
		else
			prompt = QString("(%2) %1").arg(prompt).arg(data);
		break;
	}
	if (!sym_has_value(sym) && visible)
		prompt += _(" (NEW)");
set_prompt:
	setText(promptColIdx, prompt);
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}

void ConfigItem::testUpdateMenu(bool v)
{
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	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();
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}


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/*
 * construct a menu entry
 */
void ConfigItem::init(void)
{
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	if (menu) {
		ConfigList* list = listView();
		nextItem = (ConfigItem*)menu->data;
		menu->data = this;

		if (list->mode != fullMode)
			setExpanded(true);
		sym_calc_value(menu->sym);
	}
	updateMenu();
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}

/*
 * destruct a menu entry
 */
ConfigItem::~ConfigItem(void)
{
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	if (menu) {
		ConfigItem** ip = (ConfigItem**)&menu->data;
		for (; *ip; ip = &(*ip)->nextItem) {
			if (*ip == this) {
				*ip = nextItem;
				break;
			}
		}
	}
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}

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ConfigLineEdit::ConfigLineEdit(ConfigView* parent)
	: Parent(parent)
{
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	connect(this, SIGNAL(editingFinished()), SLOT(hide()));
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}

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void ConfigLineEdit::show(ConfigItem* i)
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{
	item = i;
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	if (sym_get_string_value(item->menu->sym))
		setText(QString::fromLocal8Bit(sym_get_string_value(item->menu->sym)));
	else
		setText(QString::null);
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	Parent::show();
	setFocus();
}

void ConfigLineEdit::keyPressEvent(QKeyEvent* e)
{
	switch (e->key()) {
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	case Qt::Key_Escape:
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		break;
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	case Qt::Key_Return:
	case Qt::Key_Enter:
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		sym_set_string_value(item->menu->sym, text().toLatin1());
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		parent()->updateList(item);
		break;
	default:
		Parent::keyPressEvent(e);
		return;
	}
	e->accept();
	parent()->list->setFocus();
	hide();
}

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ConfigList::ConfigList(ConfigView* p, const char *name)
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	: Parent(p),
	  updateAll(false),
	  symbolYesPix(xpm_symbol_yes), symbolModPix(xpm_symbol_mod), symbolNoPix(xpm_symbol_no),
	  choiceYesPix(xpm_choice_yes), choiceNoPix(xpm_choice_no),
	  menuPix(xpm_menu), menuInvPix(xpm_menu_inv), menuBackPix(xpm_menuback), voidPix(xpm_void),
	  showName(false), showRange(false), showData(false), optMode(normalOpt),
	  rootEntry(0), headerPopup(0)
{
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	int i;

	setObjectName(name);
	setSortingEnabled(-1);
	setRootIsDecorated(true);

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	connect(this, SIGNAL(itemSelectionChanged(void)),
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		SLOT(updateSelection(void)));

	if (name) {
		configSettings->beginGroup(name);
		showName = configSettings->value("/showName", false).toBool();
		showRange = configSettings->value("/showRange", false).toBool();
		showData = configSettings->value("/showData", false).toBool();
		optMode = (enum optionMode)configSettings->value("/optionMode", 0).toInt();
		configSettings->endGroup();
		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
	}

	addColumn(promptColIdx);

	reinit();
}

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;
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}

void ConfigList::reinit(void)
{
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	removeColumn(dataColIdx);
	removeColumn(yesColIdx);
	removeColumn(modColIdx);
	removeColumn(noColIdx);
	removeColumn(nameColIdx);

	if (showName)
		addColumn(nameColIdx);
	if (showRange) {
		addColumn(noColIdx);
		addColumn(modColIdx);
		addColumn(yesColIdx);
	}
	if (showData)
		addColumn(dataColIdx);

	updateListAll();
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}

void ConfigList::saveSettings(void)
{
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	if (!objectName().isEmpty()) {
		configSettings->beginGroup(objectName());
		configSettings->setValue("/showName", showName);
		configSettings->setValue("/showRange", showRange);
		configSettings->setValue("/showData", showData);
		configSettings->setValue("/optionMode", (int)optMode);
		configSettings->endGroup();
	}
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}

ConfigItem* ConfigList::findConfigItem(struct menu *menu)
{
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	ConfigItem* item = (ConfigItem*)menu->data;

	for (; item; item = item->nextItem) {
		if (this == item->listView())
			break;
	}

	return item;
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}

void ConfigList::updateSelection(void)
{
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	struct menu *menu;
	enum prop_type type;

	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);
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}

void ConfigList::updateList(ConfigItem* item)
{
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	ConfigItem* last = 0;

	if (!rootEntry) {
		if (mode != listMode)
			goto update;
		QTreeWidgetItemIterator it(this);
		ConfigItem* item;

		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 = firstChild();
		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() : firstChild();
		if (!item)
			item = new ConfigItem(this, last, rootEntry, true);
		else
			item->testUpdateMenu(true);

		updateMenuList(item, rootEntry);
		update();
		return;
	}
update:
	updateMenuList(this, rootEntry);
	update();
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}

void ConfigList::setValue(ConfigItem* item, tristate val)
{
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	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);
		parent()->updateList(item);
		break;
	}
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}

void ConfigList::changeValue(ConfigItem* item)
{
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	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)
			parent()->updateList(item);
		break;
	case S_INT:
	case S_HEX:
	case S_STRING:
		break;
	}
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}

void ConfigList::setRootMenu(struct menu *menu)
{
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	enum prop_type type;

	if (rootEntry == menu)
		return;
	type = menu && menu->prompt ? menu->prompt->type : P_UNKNOWN;
	if (type != P_MENU)
		return;
	updateMenuList(this, 0);
	rootEntry = menu;
	updateListAll();
	if (currentItem()) {
		currentItem()->setSelected(hasFocus());
		scrollToItem(currentItem());
	}
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}

void ConfigList::setParentMenu(void)
{
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	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;
	}
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}

/*
 * 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
 */
template <class P>
void ConfigList::updateMenuList(P* parent, struct menu* menu)
{
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	struct menu* child;
	ConfigItem* item;
	ConfigItem* last;
	bool visible;
	enum prop_type type;

	if (!menu) {
		while ((item = parent->firstChild()))
			item->parent()->removeChild(item);
			delete item;
		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;
		}
	}
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}

void ConfigList::keyPressEvent(QKeyEvent* ev)
{
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	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) {
			emit menuSelected(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();
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}

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void ConfigList::mousePressEvent(QMouseEvent* e)
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{
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	//QPoint p(contentsToViewport(e->pos()));
	//printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
	Parent::mousePressEvent(e);
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}
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void ConfigList::mouseReleaseEvent(QMouseEvent* e)
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{
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	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()->sectionPosition(x);
	switch (idx) {
	case promptColIdx:
		icon = item->pixmap(promptColIdx);
		break;
	case noColIdx:
		setValue(item, no);
		break;
	case modColIdx:
		setValue(item, mod);
		break;
	case yesColIdx:
		setValue(item, yes);
		break;
	case dataColIdx:
		changeValue(item);
		break;
	}

skip:
	//printf("contentsMouseReleaseEvent: %d,%d\n", p.x(), p.y());
	Parent::mouseReleaseEvent(e);
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}

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void ConfigList::mouseMoveEvent(QMouseEvent* e)
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{
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	//QPoint p(contentsToViewport(e->pos()));
	//printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
	Parent::mouseMoveEvent(e);
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}

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void ConfigList::mouseDoubleClickEvent(QMouseEvent* e)
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{
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	QPoint p = e->pos(); // TODO: Check if this works(was contentsToViewport).
	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 == singleMode || mode == symbolMode))
		emit menuSelected(menu);
	else if (menu->sym)
		changeValue(item);

skip:
	//printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
	Parent::mouseDoubleClickEvent(e);
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}

void ConfigList::focusInEvent(QFocusEvent *e)
{
768 769 770 771 772 773 774 775 776 777
	struct menu *menu = NULL;

	Parent::focusInEvent(e);

	ConfigItem* item = (ConfigItem *)currentItem();
	if (item) {
		item->setSelected(true);
		menu = item->menu;
	}
	emit gotFocus(menu);
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}

void ConfigList::contextMenuEvent(QContextMenuEvent *e)
{
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815
	if (e->y() <= header()->geometry().bottom()) {
		if (!headerPopup) {
			QAction *action;

			headerPopup = new QMenu(this);
			action = new QAction(_("Show Name"), this);
			  action->setCheckable(true);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowName(bool)));
			  connect(parent(), SIGNAL(showNameChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setChecked(showName);
			  headerPopup->addAction(action);
			action = new QAction(_("Show Range"), this);
			  action->setCheckable(true);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowRange(bool)));
			  connect(parent(), SIGNAL(showRangeChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setChecked(showRange);
			  headerPopup->addAction(action);
			action = new QAction(_("Show Data"), this);
			  action->setCheckable(true);
			  connect(action, SIGNAL(toggled(bool)),
				  parent(), SLOT(setShowData(bool)));
			  connect(parent(), SIGNAL(showDataChanged(bool)),
				  action, SLOT(setOn(bool)));
			  action->setChecked(showData);
			  headerPopup->addAction(action);
		}
		headerPopup->exec(e->globalPos());
		e->accept();
	} else
		e->ignore();
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}

818 819 820 821
ConfigView*ConfigView::viewList;
QAction *ConfigView::showNormalAction;
QAction *ConfigView::showAllAction;
QAction *ConfigView::showPromptAction;
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823
ConfigView::ConfigView(QWidget* parent, const char *name)
824
	: Parent(parent)
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{
826
	QVBoxLayout *verticalLayout = new QVBoxLayout(this);
827
	verticalLayout->setContentsMargins(0, 0, 0, 0);
828

829
	list = new ConfigList(this);
830
	verticalLayout->addWidget(list);
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	lineEdit = new ConfigLineEdit(this);
	lineEdit->hide();
833
	verticalLayout->addWidget(lineEdit);
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	this->nextView = viewList;
	viewList = this;
}

ConfigView::~ConfigView(void)
{
	ConfigView** vp;

	for (vp = &viewList; *vp; vp = &(*vp)->nextView) {
		if (*vp == this) {
			*vp = nextView;
			break;
		}
	}
}

851
void ConfigView::setOptionMode(QAction *act)
852
{
853 854 855 856 857 858 859 860
	if (act == showNormalAction)
		list->optMode = normalOpt;
	else if (act == showAllAction)
		list->optMode = allOpt;
	else
		list->optMode = promptOpt;

	list->updateListAll();
861 862 863 864
}

void ConfigView::setShowName(bool b)
{
865 866 867 868 869
	if (list->showName != b) {
		list->showName = b;
		list->reinit();
		emit showNameChanged(b);
	}
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}

void ConfigView::setShowRange(bool b)
{
874 875 876 877 878
	if (list->showRange != b) {
		list->showRange = b;
		list->reinit();
		emit showRangeChanged(b);
	}
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}

void ConfigView::setShowData(bool b)
{
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	if (list->showData != b) {
		list->showData = b;
		list->reinit();
		emit showDataChanged(b);
	}
}

void ConfigList::setAllOpen(bool open)
{
	QTreeWidgetItemIterator it(this);

	while (*it) {
		(*it)->setExpanded(open);

		++it;
	}
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}

901
void ConfigView::updateList(ConfigItem* item)
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{
903 904 905 906
	ConfigView* v;

	for (v = viewList; v; v = v->nextView)
		v->list->updateList(item);
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}

void ConfigView::updateListAll(void)
{
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	ConfigView* v;

	for (v = viewList; v; v = v->nextView)
		v->list->updateListAll();
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}

917
ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
918
	: Parent(parent), sym(0), _menu(0)
919
{
920 921 922 923 924
	setObjectName(name);


	if (!objectName().isEmpty()) {
		configSettings->beginGroup(objectName());
925
		_showDebug = configSettings->value("/showDebug", false).toBool();
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		configSettings->endGroup();
		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
	}
}

void ConfigInfoView::saveSettings(void)
{
933 934 935 936 937
	if (!objectName().isEmpty()) {
		configSettings->beginGroup(objectName());
		configSettings->setValue("/showDebug", showDebug());
		configSettings->endGroup();
	}
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}

void ConfigInfoView::setShowDebug(bool b)
{
	if (_showDebug != b) {
		_showDebug = b;
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		if (_menu)
945
			menuInfo();
946 947
		else if (sym)
			symbolInfo();
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		emit showDebugChanged(b);
	}
}

void ConfigInfoView::setInfo(struct menu *m)
{
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	if (_menu == m)
955
		return;
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	_menu = m;
957
	sym = NULL;
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	if (!_menu)
959
		clear();
960
	else
961 962 963
		menuInfo();
}

964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979
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);
}

980 981 982 983 984
void ConfigInfoView::menuInfo(void)
{
	struct symbol* sym;
	QString head, debug, help;

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	sym = _menu->sym;
986
	if (sym) {
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		if (_menu->prompt) {
988
			head += "<big><b>";
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			head += print_filter(_(_menu->prompt->text));
990 991 992
			head += "</b></big>";
			if (sym->name) {
				head += " (";
993 994
				if (showDebug())
					head += QString().sprintf("<a href=\"s%p\">", sym);
995
				head += print_filter(sym->name);
996 997
				if (showDebug())
					head += "</a>";
998 999 1000 1001
				head += ")";
			}
		} else if (sym->name) {
			head += "<big><b>";
1002 1003
			if (showDebug())
				head += QString().sprintf("<a href=\"s%p\">", sym);
1004
			head += print_filter(sym->name);
1005 1006
			if (showDebug())
				head += "</a>";
1007 1008 1009 1010 1011 1012 1013
			head += "</b></big>";
		}
		head += "<br><br>";

		if (showDebug())
			debug = debug_info(sym);

1014
		struct gstr help_gstr = str_new();
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		menu_get_ext_help(_menu, &help_gstr);
1016 1017
		help = print_filter(str_get(&help_gstr));
		str_free(&help_gstr);
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	} else if (_menu->prompt) {
1019
		head += "<big><b>";
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		head += print_filter(_(_menu->prompt->text));
1021 1022
		head += "</b></big><br><br>";
		if (showDebug()) {
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			if (_menu->prompt->visible.expr) {
1024
				debug += "&nbsp;&nbsp;dep: ";
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				expr_print(_menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
1026 1027 1028 1029 1030
				debug += "<br><br>";
			}
		}
	}
	if (showDebug())
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		debug += QString().sprintf("defined at %s:%d<br><br>", _menu->file->name, _menu->lineno);
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	setText(head + debug + help);
}

QString ConfigInfoView::debug_info(struct symbol *sym)
{
	QString debug;

	debug += "type: ";
	debug += print_filter(sym_type_name(sym->type));
	if (sym_is_choice(sym))
		debug += " (choice)";
	debug += "<br>";
	if (sym->rev_dep.expr) {
		debug += "reverse dep: ";
		expr_print(sym->rev_dep.expr, expr_print_help, &debug, E_NONE);
		debug += "<br>";
	}
	for (struct property *prop = sym->prop; prop; prop = prop->next) {
		switch (prop->type) {
		case P_PROMPT:
		case P_MENU:
1054
			debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
1055
			debug += print_filter(_(prop->text));
1056
			debug += "</a><br>";
1057 1058
			break;
		case P_DEFAULT:
1059 1060 1061 1062 1063
		case P_SELECT:
		case P_RANGE:
		case P_ENV:
			debug += prop_get_type_name(prop->type);
			debug += ": ";
1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
			expr_print(prop->expr, expr_print_help, &debug, E_NONE);
			debug += "<br>";
			break;
		case P_CHOICE:
			if (sym_is_choice(sym)) {
				debug += "choice: ";
				expr_print(prop->expr, expr_print_help, &debug, E_NONE);
				debug += "<br>";
			}
			break;
		default:
			debug += "unknown property: ";
			debug += prop_get_type_name(prop->type);
			debug += "<br>";
		}
		if (prop->visible.expr) {
			debug += "&nbsp;&nbsp;&nbsp;&nbsp;dep: ";
			expr_print(prop->visible.expr, expr_print_help, &debug, E_NONE);
			debug += "<br>";
		}
	}
	debug += "<br>";

	return debug;
}

QString ConfigInfoView::print_filter(const QString &str)
{
	QRegExp re("[<>&\"\\n]");
	QString res = str;
1094 1095
	for (int i = 0; (i = res.indexOf(re, i)) >= 0;) {
		switch (res[i].toLatin1()) {
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
		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;
}

1121
void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
1122
{
1123 1124 1125 1126 1127 1128 1129 1130 1131
	QString* text = reinterpret_cast<QString*>(data);
	QString str2 = print_filter(str);

	if (sym && sym->name && !(sym->flags & SYMBOL_CONST)) {
		*text += QString().sprintf("<a href=\"s%p\">", sym);
		*text += str2;
		*text += "</a>";
	} else
		*text += str2;
1132 1133
}

1134
QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos)
1135
{
1136
	QMenu* popup = Parent::createStandardContextMenu(pos);
1137
	QAction* action = new QAction(_("Show Debug Info"), popup);
1138
	  action->setCheckable(true);
1139 1140
	  connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
	  connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
1141
	  action->setChecked(showDebug());
1142
	popup->addSeparator();
1143
	popup->addAction(action);
1144 1145 1146
	return popup;
}

1147
void ConfigInfoView::contextMenuEvent(QContextMenuEvent *e)
1148
{
1149
	Parent::contextMenuEvent(e);
1150 1151
}

1152
ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow* parent, const char *name)
1153
	: Parent(parent), result(NULL)
1154
{
1155
	setObjectName(name);
1156
	setWindowTitle("Search Config");
1157

1158 1159 1160 1161 1162 1163
	QVBoxLayout* layout1 = new QVBoxLayout(this);
	layout1->setContentsMargins(11, 11, 11, 11);
	layout1->setSpacing(6);
	QHBoxLayout* layout2 = new QHBoxLayout(0);
	layout2->setContentsMargins(0, 0, 0, 0);
	layout2->setSpacing(6);
1164
	layout2->addWidget(new QLabel(_("Find:"), this));
1165 1166 1167
	editField = new QLineEdit(this);
	connect(editField, SIGNAL(returnPressed()), SLOT(search()));
	layout2->addWidget(editField);
1168
	searchButton = new QPushButton(_("Search"), this);
1169
	searchButton->setAutoDefault(false);
1170 1171 1172 1173
	connect(searchButton, SIGNAL(clicked()), SLOT(search()));
	layout2->addWidget(searchButton);
	layout1->addLayout(layout2);

1174
	split = new QSplitter(this);
1175
	split->setOrientation(Qt::Vertical);
1176
	list = new ConfigView(split, name);
1177
	list->list->mode = listMode;
1178
	info = new ConfigInfoView(split, name);
1179 1180
	connect(list->list, SIGNAL(menuChanged(struct menu *)),
		info, SLOT(setInfo(struct menu *)));
1181 1182 1183
	connect(list->list, SIGNAL(menuChanged(struct menu *)),
		parent, SLOT(setMenuLink(struct menu *)));

1184
	layout1->addWidget(split);
1185 1186

	if (name) {
1187 1188
		QVariant x, y;
		int width, height;
1189 1190 1191
		bool ok;

		configSettings->beginGroup(name);
1192 1193
		width = configSettings->value("/window width", parent->width() / 2).toInt();
		height = configSettings->value("/window height", parent->height() / 2).toInt();
1194
		resize(width, height);
1195 1196 1197 1198
		x = configSettings->value("/window x");
		y = configSettings->value("/window y");
		if ((x.isValid())&&(y.isValid()))
			move(x.toInt(), y.toInt());
1199
		QList<int> sizes = configSettings->readSizes("/split", &ok);
1200 1201 1202 1203 1204 1205 1206 1207 1208
		if (ok)
			split->setSizes(sizes);
		configSettings->endGroup();
		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
	}
}

void ConfigSearchWindow::saveSettings(void)
{
1209 1210 1211 1212 1213 1214 1215 1216 1217
	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();
	}
1218 1219 1220 1221
}

void ConfigSearchWindow::search(void)
{
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
	struct symbol **p;
	struct property *prop;
	ConfigItem *lastItem = NULL;

	free(result);
	list->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->list, lastItem, prop->menu,
						  menu_is_visible(prop->menu));
	}
1238 1239
}

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/*
 * Construct the complete config widget
 */
ConfigMainWindow::ConfigMainWindow(void)
1244
	: searchWindow(0)
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{
	QMenuBar* menu;
1247
	bool ok = true;
1248 1249
	QVariant x, y;
	int width, height;
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	char title[256];
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1252
	QDesktopWidget *d = configApp->desktop();
1253 1254
	snprintf(title, sizeof(title), "%s%s",
		rootmenu.prompt->text,
1255 1256
		""
		);
1257
	setWindowTitle(title);
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1259 1260
	width = configSettings->value("/window width", d->width() - 64).toInt();
	height = configSettings->value("/window height", d->height() - 64).toInt();
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	resize(width, height);
1262 1263 1264 1265
	x = configSettings->value("/window x");
	y = configSettings->value("/window y");
	if ((x.isValid())&&(y.isValid()))
		move(x.toInt(), y.toInt());
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	split1 = new QSplitter(this);
1268
	split1->setOrientation(Qt::Horizontal);
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	setCentralWidget(split1);

1271
	menuView = new ConfigView(split1, "menu");
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	menuList = menuView->list;

	split2 = new QSplitter(split1);
1275
	split2->setOrientation(Qt::Vertical);
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	// create config tree
1278
	configView = new ConfigView(split2, "config");
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	configList = configView->list;

1281
	helpText = new ConfigInfoView(split2, "help");
1282
	//helpText->setTextFormat(Qt::RichText);
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	setTabOrder(configList, helpText);
	configList->setFocus();

	menu = menuBar();
1288
	toolBar = new QToolBar("Tools", this);
1289
	addToolBar(toolBar);
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1291
	backAction = new QAction(QPixmap(xpm_back), _("Back"), this);
1292
	  connect(backAction, SIGNAL(triggered(bool)), SLOT(goBack()));
1293
	  backAction->setEnabled(false);
1294 1295
	QAction *quitAction = new QAction(_("&Quit"), this);
	quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
1296
	  connect(quitAction, SIGNAL(triggered(bool)), SLOT(close()));
1297 1298
	QAction *loadAction = new QAction(QPixmap(xpm_load), _("&Load"), this);
	loadAction->setShortcut(Qt::CTRL + Qt::Key_L);
1299
	  connect(loadAction, SIGNAL(triggered(bool)), SLOT(loadConfig()));
1300 1301
	saveAction = new QAction(QPixmap(xpm_save), _("&Save"), this);
	saveAction->setShortcut(Qt::CTRL + Qt::Key_S);
1302
	  connect(saveAction, SIGNAL(triggered(bool)), SLOT(saveConfig()));
1303 1304 1305
	conf_set_changed_callback(conf_changed);
	// Set saveAction's initial state
	conf_changed();
1306
	QAction *saveAsAction = new QAction(_("Save &As..."), this);
1307
	  connect(saveAsAction, SIGNAL(triggered(bool)), SLOT(saveConfigAs()));
1308 1309
	QAction *searchAction = new QAction(_("&Find"), this);
	searchAction->setShortcut(Qt::CTRL + Qt::Key_F);
1310
	  connect(searchAction, SIGNAL(triggered(bool)), SLOT(searchConfig()));
1311
	singleViewAction = new QAction(QPixmap(xpm_single_view), _("Single View"), this);
1312
	singleViewAction->setCheckable(true);
1313
	  connect(singleViewAction, SIGNAL(triggered(bool)), SLOT(showSingleView()));
1314
	splitViewAction = new QAction(QPixmap(xpm_split_view), _("Split View"), this);
1315
	splitViewAction->setCheckable(true);
1316
	  connect(splitViewAction, SIGNAL(triggered(bool)), SLOT(showSplitView()));
1317
	fullViewAction = new QAction(QPixmap(xpm_tree_view), _("Full View"), this);
1318
	fullViewAction->setCheckable(true);
1319
	  connect(fullViewAction, SIGNAL(triggered(bool)), SLOT(showFullView()));
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1321
	QAction *showNameAction = new QAction(_("Show Name"), this);
1322
	  showNameAction->setCheckable(true);
1323
	  connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
1324
	  showNameAction->setChecked(configView->showName());
1325
	QAction *showRangeAction = new QAction(_("Show Range"), this);
1326
	  showRangeAction->setCheckable(true);
1327
	  connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
1328
	QAction *showDataAction = new QAction(_("Show Data"), this);
1329
	  showDataAction->setCheckable(true);
1330
	  connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
1331 1332

	QActionGroup *optGroup = new QActionGroup(this);
1333
	optGroup->setExclusive(true);
1334
	connect(optGroup, SIGNAL(triggered(QAction*)), configView,
1335
		SLOT(setOptionMode(QAction *)));
1336
	connect(optGroup, SIGNAL(triggered(QAction *)), menuView,
1337 1338
		SLOT(setOptionMode(QAction *)));

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	configView->showNormalAction = new QAction(_("Show Normal Options"), optGroup);
	configView->showAllAction = new QAction(_("Show All Options"), optGroup);
	configView->showPromptAction = new QAction(_("Show Prompt Options"), optGroup);
1342 1343 1344
	configView->showNormalAction->setCheckable(true);
	configView->showAllAction->setCheckable(true);
	configView->showPromptAction->setCheckable(true);
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	QAction *showDebugAction = new QAction( _("Show Debug Info"), this);
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	  showDebugAction->setCheckable(true);
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	  connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
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	  showDebugAction->setChecked(helpText->showDebug());
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	QAction *showIntroAction = new QAction( _("Introduction"), this);
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	  connect(showIntroAction, SIGNAL(triggered(bool)), SLOT(showIntro()));
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	QAction *showAboutAction = new QAction( _("About"), this);
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	  connect(showAboutAction, SIGNAL(triggered(bool)), SLOT(showAbout()));
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	// init tool bar
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	toolBar->addAction(backAction);
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	toolBar->addSeparator();
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	toolBar->addAction(loadAction);
	toolBar->addAction(saveAction);
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	toolBar->addSeparator();
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	toolBar->addAction(singleViewAction);
	toolBar->addAction(splitViewAction);
	toolBar->addAction(fullViewAction);
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	// create config menu
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	QMenu* config = menu->addMenu(_("&File"));
	config->addAction(loadAction);
	config->addAction(saveAction);
	config->addAction(saveAsAction);
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	config->addSeparator();
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	config->addAction(quitAction);
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	// create edit menu
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	QMenu* editMenu = menu->addMenu(_("&Edit"));
	editMenu->addAction(searchAction);
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	// create options menu
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	QMenu* optionMenu = menu->addMenu(_("&Option"));
	optionMenu->addAction(showNameAction);
	optionMenu->addAction(showRangeAction);
	optionMenu->addAction(showDataAction);
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	optionMenu->addSeparator();
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	optionMenu->addActions(optGroup->actions());
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	optionMenu->addSeparator();
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	// create help menu
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	menu->addSeparator();
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	QMenu* helpMenu = menu->addMenu(_("&Help"));
	helpMenu->addAction(showIntroAction);
	helpMenu->addAction(showAboutAction);
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	connect(configList, SIGNAL(menuChanged(struct menu *)),
		helpText, SLOT(setInfo(struct menu *)));
	connect(configList, SIGNAL(menuSelected(struct menu *)),
		SLOT(changeMenu(struct menu *)));
	connect(configList, SIGNAL(parentSelected()),
		SLOT(goBack()));
	connect(menuList, SIGNAL(menuChanged(struct menu *)),
		helpText, SLOT(setInfo(struct menu *)));
	connect(menuList, SIGNAL(menuSelected(struct menu *)),
		SLOT(changeMenu(struct menu *)));

	connect(configList, SIGNAL(gotFocus(struct menu *)),
		helpText, SLOT(setInfo(struct menu *)));
	connect(menuList, SIGNAL(gotFocus(struct menu *)),
		helpText, SLOT(setInfo(struct menu *)));
	connect(menuList, SIGNAL(gotFocus(struct menu *)),
		SLOT(listFocusChanged(void)));
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	connect(helpText, SIGNAL(menuSelected(struct menu *)),
		SLOT(setMenuLink(struct menu *)));
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	QString listMode = configSettings->value("/listMode", "symbol").toString();
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	if (listMode == "single")
		showSingleView();
	else if (listMode == "full")
		showFullView();
	else /*if (listMode == "split")*/
		showSplitView();

	// UI setup done, restore splitter positions
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	QList<int> sizes = configSettings->readSizes("/split1", &ok);
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	if (ok)
		split1->setSizes(sizes);

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	sizes = configSettings->readSizes("/split2", &ok);
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	if (ok)
		split2->setSizes(sizes);
}

void ConfigMainWindow::loadConfig(void)
{
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	QString s = QFileDialog::getOpenFileName(this, "", conf_get_configname());
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	if (s.isNull())
		return;
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	if (conf_read(QFile::encodeName(s)))
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		QMessageBox::information(this, "qconf", _("Unable to load configuration!"));
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	ConfigView::updateListAll();
}

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bool ConfigMainWindow::saveConfig(void)
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{
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	if (conf_write(NULL)) {
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		QMessageBox::information(this, "qconf", _("Unable to save configuration!"));
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		return false;
	}
	return true;
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}

void ConfigMainWindow::saveConfigAs(void)
{
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	QString s = QFileDialog::getSaveFileName(this, "", conf_get_configname());
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	if (s.isNull())
		return;
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	saveConfig();
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}

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void ConfigMainWindow::searchConfig(void)
{
	if (!searchWindow)
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		searchWindow = new ConfigSearchWindow(this, "search");
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	searchWindow->show();
}

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void ConfigMainWindow::changeMenu(struct menu *menu)
{
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	configList->setRootMenu(menu);
	if (configList->rootEntry->parent == &rootmenu)
		backAction->setEnabled(false);
	else
		backAction->setEnabled(true);
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}

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void ConfigMainWindow::setMenuLink(struct menu *menu)
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{
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	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 symbolMode:
		if (menu->flags & MENU_ROOT) {
			configList->setRootMenu(menu);
			configList->clearSelection();
			list = menuList;
		} else {
			list = configList;
			parent = menu_get_parent_menu(menu->parent);
			if (!parent)
				return;
			item = menuList->findConfigItem(parent);
			if (item) {
				item->setSelected(true);
				menuList->scrollToItem(item);
			}
			list->setRootMenu(parent);
		}
		break;
	case fullMode:
		list = configList;
		break;
	default:
		break;
	}

	if (list) {
		item = list->findConfigItem(menu);
		if (item) {
			item->setSelected(true);
			list->scrollToItem(item);
			list->setFocus();
		}
	}
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}

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void ConfigMainWindow::listFocusChanged(void)
{
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	if (menuList->mode == menuMode)
		configList->clearSelection();
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}

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void ConfigMainWindow::goBack(void)
{
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	ConfigItem* item;

	configList->setParentMenu();
	if (configList->rootEntry == &rootmenu)
		backAction->setEnabled(false);
	item = (ConfigItem*)menuList->selectedItems().first();
	while (item) {
		if (item->menu == configList->rootEntry) {
			item->setSelected(true);
			break;
		}
		item = (ConfigItem*)item->parent();
	}
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}

void ConfigMainWindow::showSingleView(void)
{
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	singleViewAction->setEnabled(false);
	singleViewAction->setChecked(true);
	splitViewAction->setEnabled(true);
	splitViewAction->setChecked(false);
	fullViewAction->setEnabled(true);
	fullViewAction->setChecked(false);

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	menuView->hide();
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	menuList->setRootMenu(0);
	configList->mode = singleMode;
	if (configList->rootEntry == &rootmenu)
		configList->updateListAll();
	else
		configList->setRootMenu(&rootmenu);
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	configList->setFocus();
}

void ConfigMainWindow::showSplitView(void)
{
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	singleViewAction->setEnabled(true);
	singleViewAction->setChecked(false);
	splitViewAction->setEnabled(false);
	splitViewAction->setChecked(true);
	fullViewAction->setEnabled(true);
	fullViewAction->setChecked(false);

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	configList->mode = symbolMode;
	if (configList->rootEntry == &rootmenu)
		configList->updateListAll();
	else
		configList->setRootMenu(&rootmenu);
	configList->setAllOpen(true);
	configApp->processEvents();
	menuList->mode = menuMode;
	menuList->setRootMenu(&rootmenu);
	menuList->setAllOpen(true);
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	menuView->show();
	menuList->setFocus();
}

void ConfigMainWindow::showFullView(void)
{
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	singleViewAction->setEnabled(true);
	singleViewAction->setChecked(false);
	splitViewAction->setEnabled(true);
	splitViewAction->setChecked(false);
	fullViewAction->setEnabled(false);
	fullViewAction->setChecked(true);

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	menuView->hide();
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	menuList->setRootMenu(0);
	configList->mode = fullMode;
	if (configList->rootEntry == &rootmenu)
		configList->updateListAll();
	else
		configList->setRootMenu(&rootmenu);
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	configList->setFocus();
}

/*
 * ask for saving configuration before quitting
 * TODO ask only when something changed
 */
void ConfigMainWindow::closeEvent(QCloseEvent* e)
{
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	if (!conf_get_changed()) {
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		e->accept();
		return;
	}
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	QMessageBox mb("qconf", _("Save configuration?"), QMessageBox::Warning,
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			QMessageBox::Yes | QMessageBox::Default, QMessageBox::No, QMessageBox::Cancel | QMessageBox::Escape);
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	mb.setButtonText(QMessageBox::Yes, _("&Save Changes"));
	mb.setButtonText(QMessageBox::No, _("&Discard Changes"));
	mb.setButtonText(QMessageBox::Cancel, _("Cancel Exit"));
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	switch (mb.exec()) {
	case QMessageBox::Yes:
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		if (saveConfig())
			e->accept();
		else
			e->ignore();
		break;
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	case QMessageBox::No:
		e->accept();
		break;
	case QMessageBox::Cancel:
		e->ignore();
		break;
	}
}

void ConfigMainWindow::showIntro(void)
{
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	static const QString str = _("Welcome to the qconf graphical configuration tool.\n\n"
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		"For each option, a blank box indicates the feature is disabled, a check\n"
		"indicates it is enabled, and a dot indicates that it is to be compiled\n"
		"as a module.  Clicking on the box will cycle through the three states.\n\n"
		"If you do not see an option (e.g., a device driver) that you believe\n"
		"should be present, try turning on Show All Options under the Options menu.\n"
		"Although there is no cross reference yet to help you figure out what other\n"
		"options must be enabled to support the option you are interested in, you can\n"
		"still view the help of a grayed-out option.\n\n"
		"Toggling Show Debug Info under the Options menu will show the dependencies,\n"
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		"which you can then match by examining other options.\n\n");
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	QMessageBox::information(this, "qconf", str);
}

void ConfigMainWindow::showAbout(void)
{
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	static const QString str = _("qconf is Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>.\n\n"
		"Bug reports and feature request can also be entered at http://bugzilla.kernel.org/\n");
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	QMessageBox::information(this, "qconf", str);
}

void ConfigMainWindow::saveSettings(void)
{
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	configSettings->setValue("/window x", pos().x());
	configSettings->setValue("/window y", pos().y());
	configSettings->setValue("/window width", size().width());
	configSettings->setValue("/window height", size().height());
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	QString entry;
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	switch(configList->mode) {
	case singleMode :
		entry = "single";
		break;

	case symbolMode :
		entry = "split";
		break;

	case fullMode :
		entry = "full";
		break;
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	default:
		break;
	}
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	configSettings->setValue("/listMode", entry);
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	configSettings->writeSizes("/split1", split1->sizes());
	configSettings->writeSizes("/split2", split2->sizes());
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}

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void ConfigMainWindow::conf_changed(void)
{
	if (saveAction)
		saveAction->setEnabled(conf_get_changed());
}

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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)
{
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	printf(_("%s [-s] <config>\n").toLatin1().constData(), progname);
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	exit(0);
}

int main(int ac, char** av)
{
	ConfigMainWindow* v;
	const char *name;

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	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);

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	progname = av[0];
	configApp = new QApplication(ac, av);
	if (ac > 1 && av[1][0] == '-') {
		switch (av[1][1]) {
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		case 's':
			conf_set_message_callback(NULL);
			break;
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		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);

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	configSettings = new ConfigSettings();
	configSettings->beginGroup("/kconfig/qconf");
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	v = new ConfigMainWindow();

	//zconfdump(stdout);
	configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
	configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
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	v->show();
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	configApp->exec();

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	configSettings->endGroup();
	delete configSettings;

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	return 0;
}