1 files changed, 1426 insertions, 0 deletions

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
new file mode 100644
index 000000000..74b8470e8
--- /dev/null
+++ b/scripts/kconfig/qconf.cc
@@ -0,0 +1,1426 @@
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <qapplication.h>
+#include <qmainwindow.h>
+#include <qtoolbar.h>
+#include <qvbox.h>
+#include <qsplitter.h>
+#include <qlistview.h>
+#include <qtextview.h>
+#include <qlineedit.h>
+#include <qmenubar.h>
+#include <qmessagebox.h>
+#include <qaction.h>
+#include <qheader.h>
+#include <qfiledialog.h>
+#include <qregexp.h>
+
+#include <stdlib.h>
+
+#include "lkc.h"
+#include "qconf.h"
+
+#include "qconf.moc"
+#include "images.c"
+
+#ifdef _
+# undef _
+# define _ qgettext
+#endif
+
+static QApplication *configApp;
+
+static inline QString qgettext(const char* str)
+{
+  return QString::fromLocal8Bit(gettext(str));
+}
+
+static inline QString qgettext(const QString& str)
+{
+  return QString::fromLocal8Bit(gettext(str.latin1()));
+}
+
+ConfigSettings::ConfigSettings()
+        : showAll(false), showName(false), showRange(false), showData(false)
+{
+}
+
+#if QT_VERSION >= 300
+/**
+ * Reads the list column settings from the application settings.
+ */
+void ConfigSettings::readListSettings()
+{
+        showAll = readBoolEntry("/kconfig/qconf/showAll", false);
+        showName = readBoolEntry("/kconfig/qconf/showName", false);
+        showRange = readBoolEntry("/kconfig/qconf/showRange", false);
+        showData = readBoolEntry("/kconfig/qconf/showData", false);
+}
+
+/**
+ * Reads a list of integer values from the application settings.
+ */
+QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
+{
+        QValueList<int> result;
+        QStringList entryList = readListEntry(key, ok);
+        if (ok) {
+                QStringList::Iterator it;
+                for (it = entryList.begin(); it != entryList.end(); ++it)
+                        result.push_back((*it).toInt());
+        }
+
+        return result;
+}
+
+/**
+ * Writes a list of integer values to the application settings.
+ */
+bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value)
+{
+        QStringList stringList;
+        QValueList<int>::ConstIterator it;
+
+        for (it = value.begin(); it != value.end(); ++it)
+                stringList.push_back(QString::number(*it));
+        return writeEntry(key, stringList);
+}
+#endif
+
+
+/*
+ * 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)
+{
+        struct menu* child;
+        ConfigItem* item;
+        ConfigItem* last;
+        bool visible;
+        enum prop_type type;
+
+        if (!menu) {
+                while ((item = parent->firstChild()))
+                        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 (showAll || visible) {
+                        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;
+                }
+        }
+}
+
+#if QT_VERSION >= 300
+/*
+ * set the new data
+ * TODO check the value
+ */
+void ConfigItem::okRename(int col)
+{
+        Parent::okRename(col);
+        sym_set_string_value(menu->sym, text(dataColIdx).latin1());
+}
+#endif
+
+/*
+ * 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) {
+                setPixmap(promptColIdx, list->menuBackPix);
+                prompt = "..";
+                goto set_prompt;
+        }
+
+        sym = menu->sym;
+        prop = menu->prompt;
+        prompt = QString::fromLocal8Bit(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, 0);
+                }
+                goto set_prompt;
+        case P_COMMENT:
+                setPixmap(promptColIdx, 0);
+                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->showAll) {
+                        setPixmap(promptColIdx, 0);
+                        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);
+
+#if QT_VERSION >= 300
+                int i = list->mapIdx(dataColIdx);
+                if (i >= 0)
+                        setRenameEnabled(i, TRUE);
+#endif
+                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);
+}
+
+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();
+}
+
+void ConfigItem::paintCell(QPainter* p, const QColorGroup& cg, int column, int width, int align)
+{
+        ConfigList* list = listView();
+
+        if (visible) {
+                if (isSelected() && !list->hasFocus() && list->mode == menuMode)
+                        Parent::paintCell(p, list->inactivedColorGroup, column, width, align);
+                else
+                        Parent::paintCell(p, cg, column, width, align);
+        } else
+                Parent::paintCell(p, list->disabledColorGroup, column, width, align);
+}
+
+/*
+ * construct a menu entry
+ */
+void ConfigItem::init(void)
+{
+        if (menu) {
+                ConfigList* list = listView();
+                nextItem = (ConfigItem*)menu->data;
+                menu->data = this;
+
+                if (list->mode != fullMode)
+                        setOpen(TRUE);
+                sym_calc_value(menu->sym);
+        }
+        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;
+                        }
+                }
+        }
+}
+
+void ConfigLineEdit::show(ConfigItem* i)
+{
+        item = i;
+        if (sym_get_string_value(item->menu->sym))
+                setText(QString::fromLocal8Bit(sym_get_string_value(item->menu->sym)));
+        else
+                setText(QString::null);
+        Parent::show();
+        setFocus();
+}
+
+void ConfigLineEdit::keyPressEvent(QKeyEvent* e)
+{
+        switch (e->key()) {
+        case Key_Escape:
+                break;
+        case Key_Return:
+        case Key_Enter:
+                sym_set_string_value(item->menu->sym, text().latin1());
+                parent()->updateList(item);
+                break;
+        default:
+                Parent::keyPressEvent(e);
+                return;
+        }
+        e->accept();
+        parent()->list->setFocus();
+        hide();
+}
+
+ConfigList::ConfigList(ConfigView* p, ConfigMainWindow* cv, ConfigSettings* configSettings)
+        : Parent(p), cview(cv),
+          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),
+          showAll(false), showName(false), showRange(false), showData(false),
+          rootEntry(0)
+{
+        int i;
+
+        setSorting(-1);
+        setRootIsDecorated(TRUE);
+        disabledColorGroup = palette().active();
+        disabledColorGroup.setColor(QColorGroup::Text, palette().disabled().text());
+        inactivedColorGroup = palette().active();
+        inactivedColorGroup.setColor(QColorGroup::Highlight, palette().disabled().highlight());
+
+        connect(this, SIGNAL(selectionChanged(void)),
+                SLOT(updateSelection(void)));
+
+        if (configSettings) {
+                showAll = configSettings->showAll;
+                showName = configSettings->showName;
+                showRange = configSettings->showRange;
+                showData = configSettings->showData;
+        }
+
+        for (i = 0; i < colNr; i++)
+                colMap[i] = colRevMap[i] = -1;
+        addColumn(promptColIdx, "Option");
+
+        reinit();
+}
+
+void ConfigList::reinit(void)
+{
+        removeColumn(dataColIdx);
+        removeColumn(yesColIdx);
+        removeColumn(modColIdx);
+        removeColumn(noColIdx);
+        removeColumn(nameColIdx);
+
+        if (showName)
+                addColumn(nameColIdx, "Name");
+        if (showRange) {
+                addColumn(noColIdx, "N");
+                addColumn(modColIdx, "M");
+                addColumn(yesColIdx, "Y");
+        }
+        if (showData)
+                addColumn(dataColIdx, "Value");
+
+        updateListAll();
+}
+
+void ConfigList::updateSelection(void)
+{
+        struct menu *menu;
+        enum prop_type type;
+
+        ConfigItem* item = (ConfigItem*)selectedItem();
+        if (!item)
+                return;
+
+        cview->setHelp(item);
+
+        menu = item->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* item)
+{
+        ConfigItem* last = 0;
+
+        if (!rootEntry)
+                goto update;
+
+        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);
+                triggerUpdate();
+                return;
+        }
+update:
+        updateMenuList(this, rootEntry);
+        triggerUpdate();
+}
+
+void ConfigList::setAllOpen(bool open)
+{
+        QListViewItemIterator it(this);
+
+        for (; it.current(); it++)
+                it.current()->setOpen(open);
+}
+
+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->setOpen(TRUE);
+                parent()->updateList(item);
+                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->setOpen(!item->isOpen());
+                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->setOpen(!item->isOpen());
+                        else if (oldexpr == no)
+                                item->setOpen(TRUE);
+                }
+                if (oldexpr != newexpr)
+                        parent()->updateList(item);
+                break;
+        case S_INT:
+        case S_HEX:
+        case S_STRING:
+#if QT_VERSION >= 300
+                if (colMap[dataColIdx] >= 0)
+                        item->startRename(colMap[dataColIdx]);
+                else
+#endif
+                        parent()->lineEdit->show(item);
+                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(this, 0);
+        rootEntry = menu;
+        updateListAll();
+        setSelected(currentItem(), hasFocus());
+}
+
+void ConfigList::setParentMenu(void)
+{
+        ConfigItem* item;
+        struct menu *oldroot;
+
+        oldroot = rootEntry;
+        if (rootEntry == &rootmenu)
+                return;
+        setRootMenu(menu_get_parent_menu(rootEntry->parent));
+
+        QListViewItemIterator it(this);
+        for (; (item = (ConfigItem*)it.current()); it++) {
+                if (item->menu == oldroot) {
+                        setCurrentItem(item);
+                        ensureItemVisible(item);
+                        break;
+                }
+        }
+}
+
+void ConfigList::keyPressEvent(QKeyEvent* ev)
+{
+        QListViewItem* i = currentItem();
+        ConfigItem* item;
+        struct menu *menu;
+        enum prop_type type;
+
+        if (ev->key() == Key_Escape && mode != fullMode) {
+                emit parentSelected();
+                ev->accept();
+                return;
+        }
+
+        if (!i) {
+                Parent::keyPressEvent(ev);
+                return;
+        }
+        item = (ConfigItem*)i;
+
+        switch (ev->key()) {
+        case Key_Return:
+        case 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 Key_Space:
+                changeValue(item);
+                break;
+        case Key_N:
+                setValue(item, no);
+                break;
+        case Key_M:
+                setValue(item, mod);
+                break;
+        case Key_Y:
+                setValue(item, yes);
+                break;
+        default:
+                Parent::keyPressEvent(ev);
+                return;
+        }
+        ev->accept();
+}
+
+void ConfigList::contentsMousePressEvent(QMouseEvent* e)
+{
+        //QPoint p(contentsToViewport(e->pos()));
+        //printf("contentsMousePressEvent: %d,%d\n", p.x(), p.y());
+        Parent::contentsMousePressEvent(e);
+}
+
+void ConfigList::contentsMouseReleaseEvent(QMouseEvent* e)
+{
+        QPoint p(contentsToViewport(e->pos()));
+        ConfigItem* item = (ConfigItem*)itemAt(p);
+        struct menu *menu;
+        enum prop_type ptype;
+        const QPixmap* pm;
+        int idx, x;
+
+        if (!item)
+                goto skip;
+
+        menu = item->menu;
+        x = header()->offset() + p.x();
+        idx = colRevMap[header()->sectionAt(x)];
+        switch (idx) {
+        case promptColIdx:
+                pm = item->pixmap(promptColIdx);
+                if (pm) {
+                        int off = header()->sectionPos(0) + itemMargin() +
+                                treeStepSize() * (item->depth() + (rootIsDecorated() ? 1 : 0));
+                        if (x >= off && x < off + pm->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)
+                                        emit menuSelected(menu);
+                                else
+                                        changeValue(item);
+                        }
+                }
+                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::contentsMouseReleaseEvent(e);
+}
+
+void ConfigList::contentsMouseMoveEvent(QMouseEvent* e)
+{
+        //QPoint p(contentsToViewport(e->pos()));
+        //printf("contentsMouseMoveEvent: %d,%d\n", p.x(), p.y());
+        Parent::contentsMouseMoveEvent(e);
+}
+
+void ConfigList::contentsMouseDoubleClickEvent(QMouseEvent* e)
+{
+        QPoint p(contentsToViewport(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 == singleMode || mode == symbolMode))
+                emit menuSelected(menu);
+        else if (menu->sym)
+                changeValue(item);
+
+skip:
+        //printf("contentsMouseDoubleClickEvent: %d,%d\n", p.x(), p.y());
+        Parent::contentsMouseDoubleClickEvent(e);
+}
+
+void ConfigList::focusInEvent(QFocusEvent *e)
+{
+        Parent::focusInEvent(e);
+
+        QListViewItem* item = currentItem();
+        if (!item)
+                return;
+
+        setSelected(item, TRUE);
+        emit gotFocus();
+}
+
+ConfigView* ConfigView::viewList;
+
+ConfigView::ConfigView(QWidget* parent, ConfigMainWindow* cview,
+                       ConfigSettings *configSettings)
+        : Parent(parent)
+{
+        list = new ConfigList(this, cview, configSettings);
+        lineEdit = new ConfigLineEdit(this);
+        lineEdit->hide();
+
+        this->nextView = viewList;
+        viewList = this;
+}
+
+ConfigView::~ConfigView(void)
+{
+        ConfigView** vp;
+
+        for (vp = &viewList; *vp; vp = &(*vp)->nextView) {
+                if (*vp == this) {
+                        *vp = nextView;
+                        break;
+                }
+        }
+}
+
+void ConfigView::updateList(ConfigItem* item)
+{
+        ConfigView* v;
+
+        for (v = viewList; v; v = v->nextView)
+                v->list->updateList(item);
+}
+
+void ConfigView::updateListAll(void)
+{
+        ConfigView* v;
+
+        for (v = viewList; v; v = v->nextView)
+                v->list->updateListAll();
+}
+
+/*
+ * Construct the complete config widget
+ */
+ConfigMainWindow::ConfigMainWindow(void)
+{
+        QMenuBar* menu;
+        bool ok;
+        int x, y, width, height;
+
+        QWidget *d = configApp->desktop();
+
+        ConfigSettings* configSettings = new ConfigSettings();
+#if QT_VERSION >= 300
+        width = configSettings->readNumEntry("/kconfig/qconf/window width", d->width() - 64);
+        height = configSettings->readNumEntry("/kconfig/qconf/window height", d->height() - 64);
+        resize(width, height);
+        x = configSettings->readNumEntry("/kconfig/qconf/window x", 0, &ok);
+        if (ok)
+                y = configSettings->readNumEntry("/kconfig/qconf/window y", 0, &ok);
+        if (ok)
+                move(x, y);
+        showDebug = configSettings->readBoolEntry("/kconfig/qconf/showDebug", false);
+
+        // read list settings into configSettings, will be used later for ConfigList setup
+        configSettings->readListSettings();
+#else
+        width = d->width() - 64;
+        height = d->height() - 64;
+        resize(width, height);
+        showDebug = false;
+#endif
+
+        split1 = new QSplitter(this);
+        split1->setOrientation(QSplitter::Horizontal);
+        setCentralWidget(split1);
+
+        menuView = new ConfigView(split1, this, configSettings);
+        menuList = menuView->list;
+
+        split2 = new QSplitter(split1);
+        split2->setOrientation(QSplitter::Vertical);
+
+        // create config tree
+        configView = new ConfigView(split2, this, configSettings);
+        configList = configView->list;
+
+        helpText = new QTextView(split2);
+        helpText->setTextFormat(Qt::RichText);
+
+        setTabOrder(configList, helpText);
+        configList->setFocus();
+
+        menu = menuBar();
+        toolBar = new QToolBar("Tools", this);
+
+        backAction = new QAction("Back", QPixmap(xpm_back), "Back", 0, this);
+          connect(backAction, SIGNAL(activated()), SLOT(goBack()));
+          backAction->setEnabled(FALSE);
+        QAction *quitAction = new QAction("Quit", "&Quit", CTRL+Key_Q, this);
+          connect(quitAction, SIGNAL(activated()), SLOT(close()));
+        QAction *loadAction = new QAction("Load", QPixmap(xpm_load), "&Load", CTRL+Key_L, this);
+          connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
+        QAction *saveAction = new QAction("Save", QPixmap(xpm_save), "&Save", CTRL+Key_S, this);
+          connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
+        QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
+          connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
+        QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), "Split View", 0, this);
+          connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
+        QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), "Split View", 0, this);
+          connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
+        QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), "Full View", 0, this);
+          connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
+
+        QAction *showNameAction = new QAction(NULL, "Show Name", 0, this);
+          showNameAction->setToggleAction(TRUE);
+          showNameAction->setOn(configList->showName);
+          connect(showNameAction, SIGNAL(toggled(bool)), SLOT(setShowName(bool)));
+        QAction *showRangeAction = new QAction(NULL, "Show Range", 0, this);
+          showRangeAction->setToggleAction(TRUE);
+          showRangeAction->setOn(configList->showRange);
+          connect(showRangeAction, SIGNAL(toggled(bool)), SLOT(setShowRange(bool)));
+        QAction *showDataAction = new QAction(NULL, "Show Data", 0, this);
+          showDataAction->setToggleAction(TRUE);
+          showDataAction->setOn(configList->showData);
+          connect(showDataAction, SIGNAL(toggled(bool)), SLOT(setShowData(bool)));
+        QAction *showAllAction = new QAction(NULL, "Show All Options", 0, this);
+          showAllAction->setToggleAction(TRUE);
+          showAllAction->setOn(configList->showAll);
+          connect(showAllAction, SIGNAL(toggled(bool)), SLOT(setShowAll(bool)));
+        QAction *showDebugAction = new QAction(NULL, "Show Debug Info", 0, this);
+          showDebugAction->setToggleAction(TRUE);
+          showDebugAction->setOn(showDebug);
+          connect(showDebugAction, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
+
+        QAction *showIntroAction = new QAction(NULL, "Introduction", 0, this);
+          connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
+        QAction *showAboutAction = new QAction(NULL, "About", 0, this);
+          connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
+
+        // init tool bar
+        backAction->addTo(toolBar);
+        toolBar->addSeparator();
+        loadAction->addTo(toolBar);
+        saveAction->addTo(toolBar);
+        toolBar->addSeparator();
+        singleViewAction->addTo(toolBar);
+        splitViewAction->addTo(toolBar);
+        fullViewAction->addTo(toolBar);
+
+        // create config menu
+        QPopupMenu* config = new QPopupMenu(this);
+        menu->insertItem("&File", config);
+        loadAction->addTo(config);
+        saveAction->addTo(config);
+        saveAsAction->addTo(config);
+        config->insertSeparator();
+        quitAction->addTo(config);
+
+        // create options menu
+        QPopupMenu* optionMenu = new QPopupMenu(this);
+        menu->insertItem("&Option", optionMenu);
+        showNameAction->addTo(optionMenu);
+        showRangeAction->addTo(optionMenu);
+        showDataAction->addTo(optionMenu);
+        optionMenu->insertSeparator();
+        showAllAction->addTo(optionMenu);
+        showDebugAction->addTo(optionMenu);
+
+        // create help menu
+        QPopupMenu* helpMenu = new QPopupMenu(this);
+        menu->insertSeparator();
+        menu->insertItem("&Help", helpMenu);
+        showIntroAction->addTo(helpMenu);
+        showAboutAction->addTo(helpMenu);
+
+        connect(configList, SIGNAL(menuSelected(struct menu *)),
+                SLOT(changeMenu(struct menu *)));
+        connect(configList, SIGNAL(parentSelected()),
+                SLOT(goBack()));
+        connect(menuList, SIGNAL(menuSelected(struct menu *)),
+                SLOT(changeMenu(struct menu *)));
+
+        connect(configList, SIGNAL(gotFocus(void)),
+                SLOT(listFocusChanged(void)));
+        connect(menuList, SIGNAL(gotFocus(void)),
+                SLOT(listFocusChanged(void)));
+
+#if QT_VERSION >= 300
+        QString listMode = configSettings->readEntry("/kconfig/qconf/listMode", "symbol");
+        if (listMode == "single")
+                showSingleView();
+        else if (listMode == "full")
+                showFullView();
+        else /*if (listMode == "split")*/
+                showSplitView();
+
+        // UI setup done, restore splitter positions
+        QValueList<int> sizes = configSettings->readSizes("/kconfig/qconf/split1", &ok);
+        if (ok)
+                split1->setSizes(sizes);
+
+        sizes = configSettings->readSizes("/kconfig/qconf/split2", &ok);
+        if (ok)
+                split2->setSizes(sizes);
+#else
+        showSplitView();
+#endif
+        delete configSettings;
+}
+
+static QString print_filter(const QString &str)
+{
+        QRegExp re("[<>&\"\\n]");
+        QString res = str;
+        for (int i = 0; (i = res.find(re, i)) >= 0;) {
+                switch (res[i].latin1()) {
+                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;
+}
+
+static void expr_print_help(void *data, const char *str)
+{
+        reinterpret_cast<QString*>(data)->append(print_filter(str));
+}
+
+/*
+ * display a new help entry as soon as a new menu entry is selected
+ */
+void ConfigMainWindow::setHelp(QListViewItem* item)
+{
+        struct symbol* sym;
+        struct menu* menu = 0;
+
+        configList->parent()->lineEdit->hide();
+        if (item)
+                menu = ((ConfigItem*)item)->menu;
+        if (!menu) {
+                helpText->setText(QString::null);
+                return;
+        }
+
+        QString head, debug, help;
+        menu = ((ConfigItem*)item)->menu;
+        sym = menu->sym;
+        if (sym) {
+                if (menu->prompt) {
+                        head += "<big><b>";
+                        head += print_filter(_(menu->prompt->text));
+                        head += "</b></big>";
+                        if (sym->name) {
+                                head += " (";
+                                head += print_filter(_(sym->name));
+                                head += ")";
+                        }
+                } else if (sym->name) {
+                        head += "<big><b>";
+                        head += print_filter(_(sym->name));
+                        head += "</b></big>";
+                }
+                head += "<br><br>";
+
+                if (showDebug) {
+                        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:
+                                        debug += "prompt: ";
+                                        debug += print_filter(_(prop->text));
+                                        debug += "<br>";
+                                        break;
+                                case P_DEFAULT:
+                                        debug += "default: ";
+                                        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;
+                                case P_SELECT:
+                                        debug += "select: ";
+                                        expr_print(prop->expr, expr_print_help, &debug, E_NONE);
+                                        debug += "<br>";
+                                        break;
+                                case P_RANGE:
+                                        debug += "range: ";
+                                        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>";
+                }
+
+                help = print_filter(_(sym->help));
+        } else if (menu->prompt) {
+                head += "<big><b>";
+                head += print_filter(_(menu->prompt->text));
+                head += "</b></big><br><br>";
+                if (showDebug) {
+                        if (menu->prompt->visible.expr) {
+                                debug += "&nbsp;&nbsp;dep: ";
+                                expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
+                                debug += "<br><br>";
+                        }
+                }
+        }
+        if (showDebug)
+                debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
+        helpText->setText(head + debug + help);
+}
+
+void ConfigMainWindow::loadConfig(void)
+{
+        QString s = QFileDialog::getOpenFileName(".config", NULL, this);
+        if (s.isNull())
+                return;
+        if (conf_read(QFile::encodeName(s)))
+                QMessageBox::information(this, "qconf", "Unable to load configuration!");
+        ConfigView::updateListAll();
+}
+
+void ConfigMainWindow::saveConfig(void)
+{
+        if (conf_write(NULL))
+                QMessageBox::information(this, "qconf", "Unable to save configuration!");
+}
+
+void ConfigMainWindow::saveConfigAs(void)
+{
+        QString s = QFileDialog::getSaveFileName(".config", NULL, this);
+        if (s.isNull())
+                return;
+        if (conf_write(QFile::encodeName(s)))
+                QMessageBox::information(this, "qconf", "Unable to save configuration!");
+}
+
+void ConfigMainWindow::changeMenu(struct menu *menu)
+{
+        configList->setRootMenu(menu);
+        backAction->setEnabled(TRUE);
+}
+
+void ConfigMainWindow::listFocusChanged(void)
+{
+        if (menuList->hasFocus()) {
+                if (menuList->mode == menuMode)
+                        configList->clearSelection();
+                setHelp(menuList->selectedItem());
+        } else if (configList->hasFocus()) {
+                setHelp(configList->selectedItem());
+        }
+}
+
+void ConfigMainWindow::goBack(void)
+{
+        ConfigItem* item;
+
+        configList->setParentMenu();
+        if (configList->rootEntry == &rootmenu)
+                backAction->setEnabled(FALSE);
+        item = (ConfigItem*)menuList->selectedItem();
+        while (item) {
+                if (item->menu == configList->rootEntry) {
+                        menuList->setSelected(item, TRUE);
+                        break;
+                }
+                item = (ConfigItem*)item->parent();
+        }
+}
+
+void ConfigMainWindow::showSingleView(void)
+{
+        menuView->hide();
+        menuList->setRootMenu(0);
+        configList->mode = singleMode;
+        if (configList->rootEntry == &rootmenu)
+                configList->updateListAll();
+        else
+                configList->setRootMenu(&rootmenu);
+        configList->setAllOpen(TRUE);
+        configList->setFocus();
+}
+
+void ConfigMainWindow::showSplitView(void)
+{
+        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);
+        menuView->show();
+        menuList->setFocus();
+}
+
+void ConfigMainWindow::showFullView(void)
+{
+        menuView->hide();
+        menuList->setRootMenu(0);
+        configList->mode = fullMode;
+        if (configList->rootEntry == &rootmenu)
+                configList->updateListAll();
+        else
+                configList->setRootMenu(&rootmenu);
+        configList->setAllOpen(FALSE);
+        configList->setFocus();
+}
+
+void ConfigMainWindow::setShowAll(bool b)
+{
+        if (configList->showAll == b)
+                return;
+        configList->showAll = b;
+        configList->updateListAll();
+        menuList->showAll = b;
+        menuList->updateListAll();
+}
+
+void ConfigMainWindow::setShowDebug(bool b)
+{
+        if (showDebug == b)
+                return;
+        showDebug = b;
+}
+
+void ConfigMainWindow::setShowName(bool b)
+{
+        if (configList->showName == b)
+                return;
+        configList->showName = b;
+        configList->reinit();
+        menuList->showName = b;
+        menuList->reinit();
+}
+
+void ConfigMainWindow::setShowRange(bool b)
+{
+        if (configList->showRange == b)
+                return;
+        configList->showRange = b;
+        configList->reinit();
+        menuList->showRange = b;
+        menuList->reinit();
+}
+
+void ConfigMainWindow::setShowData(bool b)
+{
+        if (configList->showData == b)
+                return;
+        configList->showData = b;
+        configList->reinit();
+        menuList->showData = b;
+        menuList->reinit();
+}
+
+/*
+ * ask for saving configuration before quitting
+ * TODO ask only when something changed
+ */
+void ConfigMainWindow::closeEvent(QCloseEvent* e)
+{
+        if (!sym_change_count) {
+                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:
+                conf_write(NULL);
+        case QMessageBox::No:
+                e->accept();
+                break;
+        case QMessageBox::Cancel:
+                e->ignore();
+                break;
+        }
+}
+
+void ConfigMainWindow::showIntro(void)
+{
+        static char str[] = "Welcome to the qconf graphical busybox configuration tool for Linux.\n\n"
+                "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"
+                "which you can then match by examining other options.\n\n";
+
+        QMessageBox::information(this, "qconf", str);
+}
+
+void ConfigMainWindow::showAbout(void)
+{
+        static char 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";
+
+        QMessageBox::information(this, "qconf", str);
+}
+
+void ConfigMainWindow::saveSettings(void)
+{
+#if QT_VERSION >= 300
+        ConfigSettings *configSettings = new ConfigSettings;
+        configSettings->writeEntry("/kconfig/qconf/window x", pos().x());
+        configSettings->writeEntry("/kconfig/qconf/window y", pos().y());
+        configSettings->writeEntry("/kconfig/qconf/window width", size().width());
+        configSettings->writeEntry("/kconfig/qconf/window height", size().height());
+        configSettings->writeEntry("/kconfig/qconf/showName", configList->showName);
+        configSettings->writeEntry("/kconfig/qconf/showRange", configList->showRange);
+        configSettings->writeEntry("/kconfig/qconf/showData", configList->showData);
+        configSettings->writeEntry("/kconfig/qconf/showAll", configList->showAll);
+        configSettings->writeEntry("/kconfig/qconf/showDebug", showDebug);
+
+        QString entry;
+        switch(configList->mode) {
+        case singleMode :
+                entry = "single";
+                break;
+
+        case symbolMode :
+                entry = "split";
+                break;
+
+        case fullMode :
+                entry = "full";
+                break;
+        }
+        configSettings->writeEntry("/kconfig/qconf/listMode", entry);
+
+        configSettings->writeSizes("/kconfig/qconf/split1", split1->sizes());
+        configSettings->writeSizes("/kconfig/qconf/split2", split2->sizes());
+
+        delete configSettings;
+#endif
+}
+
+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 <config>\n", progname);
+        exit(0);
+}
+
+int main(int ac, char** av)
+{
+        ConfigMainWindow* v;
+        const char *name;
+
+        bindtextdomain(PACKAGE, LOCALEDIR);
+        textdomain(PACKAGE);
+
+#ifndef LKC_DIRECT_LINK
+        kconfig_load();
+#endif
+
+        progname = av[0];
+        configApp = new QApplication(ac, av);
+        if (ac > 1 && av[1][0] == '-') {
+                switch (av[1][1]) {
+                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);
+
+        v = new ConfigMainWindow();
+
+        //zconfdump(stdout);
+        v->show();
+        configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
+        configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
+        configApp->exec();
+
+        return 0;
+}