root/scripts/kconfig/qconf.cc

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. qgettext
  2. qgettext
  3. readSizes
  4. writeSizes
  5. okRename
  6. updateMenu
  7. testUpdateMenu
  8. paintCell
  9. init
  10. show
  11. keyPressEvent
  12. headerPopup
  13. menuSkip
  14. reinit
  15. saveSettings
  16. findConfigItem
  17. updateSelection
  18. updateList
  19. setValue
  20. changeValue
  21. setRootMenu
  22. setParentMenu
  23. updateMenuList
  24. keyPressEvent
  25. contentsMousePressEvent
  26. contentsMouseReleaseEvent
  27. contentsMouseMoveEvent
  28. contentsMouseDoubleClickEvent
  29. focusInEvent
  30. contextMenuEvent
  31. setOptionMode
  32. setShowName
  33. setShowRange
  34. setShowData
  35. setAllOpen
  36. updateList
  37. updateListAll
  38. _menu
  39. saveSettings
  40. setShowDebug
  41. setInfo
  42. symbolInfo
  43. menuInfo
  44. debug_info
  45. print_filter
  46. expr_print_help
  47. createPopupMenu
  48. contentsContextMenuEvent
  49. result
  50. saveSettings
  51. search
  52. loadConfig
  53. saveConfig
  54. saveConfigAs
  55. searchConfig
  56. changeMenu
  57. setMenuLink
  58. listFocusChanged
  59. goBack
  60. showSingleView
  61. showSplitView
  62. showFullView
  63. closeEvent
  64. showIntro
  65. showAbout
  66. saveSettings
  67. conf_changed
  68. fixup_rootmenu
  69. usage
  70. main

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

#include <qglobal.h>

#if QT_VERSION < 0x040000
#include <stddef.h>
#include <qmainwindow.h>
#include <qvbox.h>
#include <qvaluelist.h>
#include <qtextbrowser.h>
#include <qaction.h>
#include <qheader.h>
#include <qfiledialog.h>
#include <qdragobject.h>
#include <qpopupmenu.h>
#else
#include <q3mainwindow.h>
#include <q3vbox.h>
#include <q3valuelist.h>
#include <q3textbrowser.h>
#include <q3action.h>
#include <q3header.h>
#include <q3filedialog.h>
#include <q3dragobject.h>
#include <q3popupmenu.h>
#endif

#include <qapplication.h>
#include <qdesktopwidget.h>
#include <qtoolbar.h>
#include <qlayout.h>
#include <qsplitter.h>
#include <qlineedit.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qmenubar.h>
#include <qmessagebox.h>
#include <qregexp.h>
#include <qevent.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 ConfigSettings *configSettings;

Q3Action *ConfigMainWindow::saveAction;

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

/**
 * Reads a list of integer values from the application settings.
 */
Q3ValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
{
        Q3ValueList<int> result;
        QStringList entryList = readListEntry(key, 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 Q3ValueList<int>& value)
{
        QStringList stringList;
        Q3ValueList<int>::ConstIterator it;

        for (it = value.begin(); it != value.end(); ++it)
                stringList.push_back(QString::number(*it));
        return writeEntry(key, stringList);
}


/*
 * 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());
        listView()->updateList(this);
}

/*
 * 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 = _(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->optMode == normalOpt) {
                        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);

                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);
}

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;
                        }
                }
        }
}

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

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 Qt::Key_Escape:
                break;
        case Qt::Key_Return:
        case Qt::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, const char *name)
        : Parent(p, name),
          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)
{
        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 (name) {
                configSettings->beginGroup(name);
                showName = configSettings->readBoolEntry("/showName", false);
                showRange = configSettings->readBoolEntry("/showRange", false);
                showData = configSettings->readBoolEntry("/showData", false);
                optMode = (enum optionMode)configSettings->readNumEntry("/optionMode", false);
                configSettings->endGroup();
                connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
        }

        for (i = 0; i < colNr; i++)
                colMap[i] = colRevMap[i] = -1;
        addColumn(promptColIdx, _("Option"));

        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;
}

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::saveSettings(void)
{
        if (name()) {
                configSettings->beginGroup(name());
                configSettings->writeEntry("/showName", showName);
                configSettings->writeEntry("/showRange", showRange);
                configSettings->writeEntry("/showData", showData);
                configSettings->writeEntry("/optionMode", (int)optMode);
                configSettings->endGroup();
        }
}

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

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

        return item;
}

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

        ConfigItem* item = (ConfigItem*)selectedItem();
        if (!item)
                return;

        menu = item->menu;
        emit menuChanged(menu);
        if (!menu)
                return;
        type = menu->prompt ? menu->prompt->type : P_UNKNOWN;
        if (mode == menuMode && type == P_MENU)
                emit menuSelected(menu);
}

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

        if (!rootEntry) {
                if (mode != listMode)
                        goto update;
                Q3ListViewItemIterator it(this);
                ConfigItem* item;

                for (; it.current(); ++it) {
                        item = (ConfigItem*)it.current();
                        if (!item->menu)
                                continue;
                        item->testUpdateMenu(menu_is_visible(item->menu));
                }
                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);
                triggerUpdate();
                return;
        }
update:
        updateMenuList(this, rootEntry);
        triggerUpdate();
}

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 (colMap[dataColIdx] >= 0)
                        item->startRename(colMap[dataColIdx]);
                else
                        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());
        ensureItemVisible(currentItem());
}

void ConfigList::setParentMenu(void)
{
        ConfigItem* item;
        struct menu *oldroot;

        oldroot = rootEntry;
        if (rootEntry == &rootmenu)
                return;
        setRootMenu(menu_get_parent_menu(rootEntry->parent));

        Q3ListViewItemIterator it(this);
        for (; (item = (ConfigItem*)it.current()); it++) {
                if (item->menu == oldroot) {
                        setCurrentItem(item);
                        ensureItemVisible(item);
                        break;
                }
        }
}

/*
 * 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 (!menuSkip(child)) {
                        if (!child->sym && !child->list && !child->prompt)
                                continue;
                        if (!item || item->menu != child)
                                item = new ConfigItem(parent, last, child, visible);
                        else
                                item->testUpdateMenu(visible);

                        if (mode == fullMode || mode == menuMode || type != P_MENU)
                                updateMenuList(item, child);
                        else
                                updateMenuList(item, 0);
                        last = item;
                        continue;
                }
        hide:
                if (item && item->menu == child) {
                        last = parent->firstChild();
                        if (last == item)
                                last = 0;
                        else while (last->nextSibling() != item)
                                last = last->nextSibling();
                        delete item;
                }
        }
}

void ConfigList::keyPressEvent(QKeyEvent* ev)
{
        Q3ListViewItem* 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();
}

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)
{
        struct menu *menu = NULL;

        Parent::focusInEvent(e);

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

void ConfigList::contextMenuEvent(QContextMenuEvent *e)
{
        if (e->y() <= header()->geometry().bottom()) {
                if (!headerPopup) {
                        Q3Action *action;

                        headerPopup = new Q3PopupMenu(this);
                        action = new Q3Action(NULL, _("Show Name"), 0, this);
                          action->setToggleAction(TRUE);
                          connect(action, SIGNAL(toggled(bool)),
                                  parent(), SLOT(setShowName(bool)));
                          connect(parent(), SIGNAL(showNameChanged(bool)),
                                  action, SLOT(setOn(bool)));
                          action->setOn(showName);
                          action->addTo(headerPopup);
                        action = new Q3Action(NULL, _("Show Range"), 0, this);
                          action->setToggleAction(TRUE);
                          connect(action, SIGNAL(toggled(bool)),
                                  parent(), SLOT(setShowRange(bool)));
                          connect(parent(), SIGNAL(showRangeChanged(bool)),
                                  action, SLOT(setOn(bool)));
                          action->setOn(showRange);
                          action->addTo(headerPopup);
                        action = new Q3Action(NULL, _("Show Data"), 0, this);
                          action->setToggleAction(TRUE);
                          connect(action, SIGNAL(toggled(bool)),
                                  parent(), SLOT(setShowData(bool)));
                          connect(parent(), SIGNAL(showDataChanged(bool)),
                                  action, SLOT(setOn(bool)));
                          action->setOn(showData);
                          action->addTo(headerPopup);
                }
                headerPopup->exec(e->globalPos());
                e->accept();
        } else
                e->ignore();
}

ConfigView*ConfigView::viewList;
QAction *ConfigView::showNormalAction;
QAction *ConfigView::showAllAction;
QAction *ConfigView::showPromptAction;

ConfigView::ConfigView(QWidget* parent, const char *name)
        : Parent(parent, name)
{
        list = new ConfigList(this, name);
        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::setOptionMode(QAction *act)
{
        if (act == showNormalAction)
                list->optMode = normalOpt;
        else if (act == showAllAction)
                list->optMode = allOpt;
        else
                list->optMode = promptOpt;

        list->updateListAll();
}

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

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

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

void ConfigList::setAllOpen(bool open)
{
        Q3ListViewItemIterator it(this);

        for (; it.current(); it++)
                it.current()->setOpen(open);
}

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();
}

ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
        : Parent(parent, name), sym(0), _menu(0)
{
        if (name) {
                configSettings->beginGroup(name);
                _showDebug = configSettings->readBoolEntry("/showDebug", false);
                configSettings->endGroup();
                connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
        }
}

void ConfigInfoView::saveSettings(void)
{
        if (name()) {
                configSettings->beginGroup(name());
                configSettings->writeEntry("/showDebug", showDebug());
                configSettings->endGroup();
        }
}

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

void ConfigInfoView::setInfo(struct menu *m)
{
        if (_menu == m)
                return;
        _menu = m;
        sym = NULL;
        if (!_menu)
                clear();
        else
                menuInfo();
}

void ConfigInfoView::symbolInfo(void)
{
        QString str;

        str += "<big>Symbol: <b>";
        str += print_filter(sym->name);
        str += "</b></big><br><br>value: ";
        str += print_filter(sym_get_string_value(sym));
        str += "<br>visibility: ";
        str += sym->visible == yes ? "y" : sym->visible == mod ? "m" : "n";
        str += "<br>";
        str += debug_info(sym);

        setText(str);
}

void ConfigInfoView::menuInfo(void)
{
        struct symbol* sym;
        QString head, debug, help;

        sym = _menu->sym;
        if (sym) {
                if (_menu->prompt) {
                        head += "<big><b>";
                        head += print_filter(_(_menu->prompt->text));
                        head += "</b></big>";
                        if (sym->name) {
                                head += " (";
                                if (showDebug())
                                        head += QString().sprintf("<a href=\"s%p\">", sym);
                                head += print_filter(sym->name);
                                if (showDebug())
                                        head += "</a>";
                                head += ")";
                        }
                } else if (sym->name) {
                        head += "<big><b>";
                        if (showDebug())
                                head += QString().sprintf("<a href=\"s%p\">", sym);
                        head += print_filter(sym->name);
                        if (showDebug())
                                head += "</a>";
                        head += "</b></big>";
                }
                head += "<br><br>";

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

                struct gstr help_gstr = str_new();
                menu_get_ext_help(_menu, &help_gstr);
                help = print_filter(str_get(&help_gstr));
                str_free(&help_gstr);
        } 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);

        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:
                        debug += QString().sprintf("prompt: <a href=\"m%p\">", prop->menu);
                        debug += print_filter(_(prop->text));
                        debug += "</a><br>";
                        break;
                case P_DEFAULT:
                case P_SELECT:
                case P_RANGE:
                case P_ENV:
                        debug += prop_get_type_name(prop->type);
                        debug += ": ";
                        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;
        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;
}

void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char *str)
{
        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;
}

Q3PopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
{
        Q3PopupMenu* popup = Parent::createPopupMenu(pos);
        Q3Action* action = new Q3Action(NULL, _("Show Debug Info"), 0, popup);
          action->setToggleAction(TRUE);
          connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
          connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
          action->setOn(showDebug());
        popup->insertSeparator();
        action->addTo(popup);
        return popup;
}

void ConfigInfoView::contentsContextMenuEvent(QContextMenuEvent *e)
{
        Parent::contentsContextMenuEvent(e);
}

ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow* parent, const char *name)
        : Parent(parent, name), result(NULL)
{
        setCaption("Search Config");

        QVBoxLayout* layout1 = new QVBoxLayout(this, 11, 6);
        QHBoxLayout* layout2 = new QHBoxLayout(0, 0, 6);
        layout2->addWidget(new QLabel(_("Find:"), this));
        editField = new QLineEdit(this);
        connect(editField, SIGNAL(returnPressed()), SLOT(search()));
        layout2->addWidget(editField);
        searchButton = new QPushButton(_("Search"), this);
        searchButton->setAutoDefault(FALSE);
        connect(searchButton, SIGNAL(clicked()), SLOT(search()));
        layout2->addWidget(searchButton);
        layout1->addLayout(layout2);

        split = new QSplitter(this);
        split->setOrientation(Qt::Vertical);
        list = new ConfigView(split, name);
        list->list->mode = listMode;
        info = new ConfigInfoView(split, name);
        connect(list->list, SIGNAL(menuChanged(struct menu *)),
                info, SLOT(setInfo(struct menu *)));
        connect(list->list, SIGNAL(menuChanged(struct menu *)),
                parent, SLOT(setMenuLink(struct menu *)));

        layout1->addWidget(split);

        if (name) {
                int x, y, width, height;
                bool ok;

                configSettings->beginGroup(name);
                width = configSettings->readNumEntry("/window width", parent->width() / 2);
                height = configSettings->readNumEntry("/window height", parent->height() / 2);
                resize(width, height);
                x = configSettings->readNumEntry("/window x", 0, &ok);
                if (ok)
                        y = configSettings->readNumEntry("/window y", 0, &ok);
                if (ok)
                        move(x, y);
                Q3ValueList<int> sizes = configSettings->readSizes("/split", &ok);
                if (ok)
                        split->setSizes(sizes);
                configSettings->endGroup();
                connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
        }
}

void ConfigSearchWindow::saveSettings(void)
{
        if (name()) {
                configSettings->beginGroup(name());
                configSettings->writeEntry("/window x", pos().x());
                configSettings->writeEntry("/window y", pos().y());
                configSettings->writeEntry("/window width", size().width());
                configSettings->writeEntry("/window height", size().height());
                configSettings->writeSizes("/split", split->sizes());
                configSettings->endGroup();
        }
}

void ConfigSearchWindow::search(void)
{
        struct symbol **p;
        struct property *prop;
        ConfigItem *lastItem = NULL;

        free(result);
        list->list->clear();
        info->clear();

        result = sym_re_search(editField->text().latin1());
        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));
        }
}

/*
 * Construct the complete config widget
 */
ConfigMainWindow::ConfigMainWindow(void)
        : searchWindow(0)
{
        QMenuBar* menu;
        bool ok;
        int x, y, width, height;
        char title[256];

        QDesktopWidget *d = configApp->desktop();
        snprintf(title, sizeof(title), "%s%s",
                rootmenu.prompt->text,
#if QT_VERSION < 0x040000
                " (Qt3)"
#else
                ""
#endif
                );
        setCaption(title);

        width = configSettings->readNumEntry("/window width", d->width() - 64);
        height = configSettings->readNumEntry("/window height", d->height() - 64);
        resize(width, height);
        x = configSettings->readNumEntry("/window x", 0, &ok);
        if (ok)
                y = configSettings->readNumEntry("/window y", 0, &ok);
        if (ok)
                move(x, y);

        split1 = new QSplitter(this);
        split1->setOrientation(Qt::Horizontal);
        setCentralWidget(split1);

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

        split2 = new QSplitter(split1);
        split2->setOrientation(Qt::Vertical);

        // create config tree
        configView = new ConfigView(split2, "config");
        configList = configView->list;

        helpText = new ConfigInfoView(split2, "help");
        helpText->setTextFormat(Qt::RichText);

        setTabOrder(configList, helpText);
        configList->setFocus();

        menu = menuBar();
        toolBar = new Q3ToolBar("Tools", this);

        backAction = new Q3Action("Back", QPixmap(xpm_back), _("Back"), 0, this);
          connect(backAction, SIGNAL(activated()), SLOT(goBack()));
          backAction->setEnabled(FALSE);
        Q3Action *quitAction = new Q3Action("Quit", _("&Quit"), Qt::CTRL + Qt::Key_Q, this);
          connect(quitAction, SIGNAL(activated()), SLOT(close()));
        Q3Action *loadAction = new Q3Action("Load", QPixmap(xpm_load), _("&Load"), Qt::CTRL + Qt::Key_L, this);
          connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
        saveAction = new Q3Action("Save", QPixmap(xpm_save), _("&Save"), Qt::CTRL + Qt::Key_S, this);
          connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
        conf_set_changed_callback(conf_changed);
        // Set saveAction's initial state
        conf_changed();
        Q3Action *saveAsAction = new Q3Action("Save As...", _("Save &As..."), 0, this);
          connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
        Q3Action *searchAction = new Q3Action("Find", _("&Find"), Qt::CTRL + Qt::Key_F, this);
          connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
        Q3Action *singleViewAction = new Q3Action("Single View", QPixmap(xpm_single_view), _("Single View"), 0, this);
          connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
        Q3Action *splitViewAction = new Q3Action("Split View", QPixmap(xpm_split_view), _("Split View"), 0, this);
          connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
        Q3Action *fullViewAction = new Q3Action("Full View", QPixmap(xpm_tree_view), _("Full View"), 0, this);
          connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));

        Q3Action *showNameAction = new Q3Action(NULL, _("Show Name"), 0, this);
          showNameAction->setToggleAction(TRUE);
          connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
          connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
          showNameAction->setOn(configView->showName());
        Q3Action *showRangeAction = new Q3Action(NULL, _("Show Range"), 0, this);
          showRangeAction->setToggleAction(TRUE);
          connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
          connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
          showRangeAction->setOn(configList->showRange);
        Q3Action *showDataAction = new Q3Action(NULL, _("Show Data"), 0, this);
          showDataAction->setToggleAction(TRUE);
          connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
          connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
          showDataAction->setOn(configList->showData);

        QActionGroup *optGroup = new QActionGroup(this);
        optGroup->setExclusive(TRUE);
        connect(optGroup, SIGNAL(selected(QAction *)), configView,
                SLOT(setOptionMode(QAction *)));
        connect(optGroup, SIGNAL(selected(QAction *)), menuView,
                SLOT(setOptionMode(QAction *)));

#if QT_VERSION >= 0x040000
        configView->showNormalAction = new QAction(_("Show Normal Options"), optGroup);
        configView->showAllAction = new QAction(_("Show All Options"), optGroup);
        configView->showPromptAction = new QAction(_("Show Prompt Options"), optGroup);
#else
        configView->showNormalAction = new QAction(_("Show Normal Options"), 0, optGroup);
        configView->showAllAction = new QAction(_("Show All Options"), 0, optGroup);
        configView->showPromptAction = new QAction(_("Show Prompt Options"), 0, optGroup);
#endif
        configView->showNormalAction->setToggleAction(TRUE);
        configView->showNormalAction->setOn(configList->optMode == normalOpt);
        configView->showAllAction->setToggleAction(TRUE);
        configView->showAllAction->setOn(configList->optMode == allOpt);
        configView->showPromptAction->setToggleAction(TRUE);
        configView->showPromptAction->setOn(configList->optMode == promptOpt);

        Q3Action *showDebugAction = new Q3Action(NULL, _("Show Debug Info"), 0, this);
          showDebugAction->setToggleAction(TRUE);
          connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
          connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
          showDebugAction->setOn(helpText->showDebug());

        Q3Action *showIntroAction = new Q3Action(NULL, _("Introduction"), 0, this);
          connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
        Q3Action *showAboutAction = new Q3Action(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
        Q3PopupMenu* config = new Q3PopupMenu(this);
        menu->insertItem(_("&File"), config);
        loadAction->addTo(config);
        saveAction->addTo(config);
        saveAsAction->addTo(config);
        config->insertSeparator();
        quitAction->addTo(config);

        // create edit menu
        Q3PopupMenu* editMenu = new Q3PopupMenu(this);
        menu->insertItem(_("&Edit"), editMenu);
        searchAction->addTo(editMenu);

        // create options menu
        Q3PopupMenu* optionMenu = new Q3PopupMenu(this);
        menu->insertItem(_("&Option"), optionMenu);
        showNameAction->addTo(optionMenu);
        showRangeAction->addTo(optionMenu);
        showDataAction->addTo(optionMenu);
        optionMenu->insertSeparator();
        optGroup->addTo(optionMenu);
        optionMenu->insertSeparator();

        // create help menu
        Q3PopupMenu* helpMenu = new Q3PopupMenu(this);
        menu->insertSeparator();
        menu->insertItem(_("&Help"), helpMenu);
        showIntroAction->addTo(helpMenu);
        showAboutAction->addTo(helpMenu);

        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)));
        connect(helpText, SIGNAL(menuSelected(struct menu *)),
                SLOT(setMenuLink(struct menu *)));

        QString listMode = configSettings->readEntry("/listMode", "symbol");
        if (listMode == "single")
                showSingleView();
        else if (listMode == "full")
                showFullView();
        else /*if (listMode == "split")*/
                showSplitView();

        // UI setup done, restore splitter positions
        Q3ValueList<int> sizes = configSettings->readSizes("/split1", &ok);
        if (ok)
                split1->setSizes(sizes);

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

void ConfigMainWindow::loadConfig(void)
{
        QString s = Q3FileDialog::getOpenFileName(conf_get_configname(), NULL, this);
        if (s.isNull())
                return;
        if (conf_read(QFile::encodeName(s)))
                QMessageBox::information(this, "qconf", _("Unable to load configuration!"));
        ConfigView::updateListAll();
}

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

void ConfigMainWindow::saveConfigAs(void)
{
        QString s = Q3FileDialog::getSaveFileName(conf_get_configname(), NULL, this);
        if (s.isNull())
                return;
        saveConfig();
}

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

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

void ConfigMainWindow::setMenuLink(struct menu *menu)
{
        struct menu *parent;
        ConfigList* list = NULL;
        ConfigItem* item;

        if (configList->menuSkip(menu))
                return;

        switch (configList->mode) {
        case singleMode:
                list = configList;
                parent = menu_get_parent_menu(menu);
                if (!parent)
                        return;
                list->setRootMenu(parent);
                break;
        case 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) {
                                menuList->setSelected(item, TRUE);
                                menuList->ensureItemVisible(item);
                        }
                        list->setRootMenu(parent);
                }
                break;
        case fullMode:
                list = configList;
                break;
        default:
                break;
        }

        if (list) {
                item = list->findConfigItem(menu);
                if (item) {
                        list->setSelected(item, TRUE);
                        list->ensureItemVisible(item);
                        list->setFocus();
                }
        }
}

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

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();
}

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

void ConfigMainWindow::showIntro(void)
{
        static const QString str = _("Welcome to the qconf graphical configuration tool.\n\n"
                "For 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 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");

        QMessageBox::information(this, "qconf", str);
}

void ConfigMainWindow::saveSettings(void)
{
        configSettings->writeEntry("/window x", pos().x());
        configSettings->writeEntry("/window y", pos().y());
        configSettings->writeEntry("/window width", size().width());
        configSettings->writeEntry("/window height", size().height());

        QString entry;
        switch(configList->mode) {
        case singleMode :
                entry = "single";
                break;

        case symbolMode :
                entry = "split";
                break;

        case fullMode :
                entry = "full";
                break;

        default:
                break;
        }
        configSettings->writeEntry("/listMode", entry);

        configSettings->writeSizes("/split1", split1->sizes());
        configSettings->writeSizes("/split2", split2->sizes());
}

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

void fixup_rootmenu(struct menu *menu)
{
        struct menu *child;
        static int menu_cnt = 0;

        menu->flags |= MENU_ROOT;
        for (child = menu->list; child; child = child->next) {
                if (child->prompt && child->prompt->type == P_MENU) {
                        menu_cnt++;
                        fixup_rootmenu(child);
                        menu_cnt--;
                } else if (!menu_cnt)
                        fixup_rootmenu(child);
        }
}

static const char *progname;

static void usage(void)
{
        printf(_("%s <config>\n"), progname);
        exit(0);
}

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

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

        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);

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

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

        configSettings->endGroup();
        delete configSettings;

        return 0;
}

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