File indexing completed on 2024-05-12 16:40:04

 /* This file is part of the KDE project
    Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
    Copyright (C) 2003-2018 Jarosław Staniek <staniek@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KexiMainWindow_p.h"
 
 #include <QPainter>
 #include <QDebug>
 
 #include <KConfigGroup>
 
 #include <KDbUtils>
 
 #include <kexiutils/SmallToolButton.h>
 #include <kexiutils/KexiTester.h>
 #include <kexiutils/KexiFadeWidgetEffect.h>
 #include <KexiIcon.h>
 #include <core/kexipartmanager.h>
 #include <KexiAssistantWidget.h>
 
 KexiWindowContainer::KexiWindowContainer(QWidget* parent)
     : QWidget(parent)
     , window(0)
     , lyr(new QVBoxLayout(this))
 {
     lyr->setContentsMargins(0, 0, 0, 0);
 }
 KexiWindowContainer::~KexiWindowContainer()
 {
     //! @todo warning if saveSettings() failed?
     if (window) {
         window->saveSettings();
         delete (KexiWindow*)window;
     }
 }
 
 void KexiWindowContainer::setWindow(KexiWindow* w)
 {
     window = w;
     if (w)
         lyr->addWidget(w);
 }
 
 // ---
 
 EmptyMenuContentWidget::EmptyMenuContentWidget(QWidget* parent)
  : QWidget(parent)
 {
     setAutoFillBackground(true);
     alterBackground();
 }
 
 void EmptyMenuContentWidget::alterBackground()
 {
     QPalette pal(palette());
     QColor bg(pal.color(QPalette::Window));
     bg.setAlpha(200);
     pal.setColor(QPalette::Window, bg);
     setPalette(pal);
 }
 
 void EmptyMenuContentWidget::changeEvent(QEvent *e)
 {
     if (e->type() == QEvent::PaletteChange) {
         alterBackground();
     }
     QWidget::changeEvent(e);
 }
 
 //! @todo KEXI3 is KexiMenuWidgetStyle needed?
 #if 0
 KexiMenuWidgetStyle::KexiMenuWidgetStyle(QStyle *style, QObject *parent)
     : KexiUtils::StyleProxy(style, parent)
 {
 }
 
 KexiMenuWidgetStyle::~KexiMenuWidgetStyle()
 {
 }
 
 void KexiMenuWidgetStyle::drawControl(ControlElement element, const QStyleOption *option,
                          QPainter *painter, const QWidget *widget = 0) const
 {
     if (element == QStyle::CE_MenuItem
         && (option->state & QStyle::State_Selected) && (option->state & QStyle::State_Enabled)
         && parentStyle()->objectName() == QLatin1String("oxygen"))
     {
         // Ugly fix for visual glitch of oxygen; no chance for improvement since
         // we've forked QMenu and oxygen checks for qobject_cast<QMenu*> directly.
         QColor c(option->palette.color(QPalette::Window));
         int h, s, v, a;
         c.getHsv(&h, &s, &v, &a);
         // Why 0.91208791? I knew you're curious. There are some algorithms in Oxygen
         // to make color a bit lighter. They are not in the public API nor they are simple.
         // So the number was computed by me to find the proper value for the color
         // (the accuracy is quite OK).
         // It's also related to the fact that Oxygen's menus have gradient background.
         // A lot of computation happens under the mask...
         c.setHsv(h, s, v * 0.91208791, a);
         painter->fillRect(option->rect.x() + 6, option->rect.y() + 6,
                           option->rect.width() - 12, option->rect.height() - 12,
                           c);
     }
     KexiUtils::StyleProxy::drawControl(element, option, painter, widget);
 }
 #endif
 
 KexiMainMenu::KexiMainMenu(KexiTabbedToolBar *toolBar, QWidget* parent)
  : QWidget(parent),
     m_toolBar(toolBar), m_initialized(false)
 {
     m_content = 0;
     m_selectFirstItem = false;
 }
 
 KexiMainMenu::~KexiMainMenu()
 {
     delete (QWidget*)m_contentWidget;
 }
 
 bool KexiMainMenu::eventFilter(QObject * watched, QEvent* event)
 {
     if (event->type() == QEvent::MouseButtonPress && watched == m_content && !m_contentWidget) {
         emit contentAreaPressed();
     }
     else if (event->type() == QEvent::KeyPress) {
         QKeyEvent* ke = static_cast<QKeyEvent*>(event);
         if ((ke->key() == Qt::Key_Escape) && ke->modifiers() == Qt::NoModifier) {
             emit hideContentsRequested();
             return true;
         }
     }
     return QWidget::eventFilter(watched, event);
 }
 
 void KexiMainMenu::setContent(QWidget *contentWidget)
 {
     if (m_menuWidget && m_persistentlySelectedAction) {
         m_menuWidget->setPersistentlySelectedAction(
             m_persistentlySelectedAction,
             m_persistentlySelectedAction->persistentlySelected());
     }
     /*if (m_menuWidget->persistentlySelectedAction())
         qDebug() << "****" << m_menuWidget->persistentlySelectedAction()->objectName();*/
     KexiFadeWidgetEffect *fadeEffect = 0;
 
     if (m_contentWidget && contentWidget) {
         fadeEffect = new KexiFadeWidgetEffect(m_content);
     }
     if (m_contentWidget)
         m_contentWidget->deleteLater();
     m_contentWidget = contentWidget;
     if (m_contentWidget) {
         QPalette contentWidgetPalette(m_contentWidget->palette());
         contentWidgetPalette.setBrush(QPalette::Active, QPalette::Window, contentWidgetPalette.brush(QPalette::Active, QPalette::Base));
         contentWidgetPalette.setBrush(QPalette::Inactive, QPalette::Window, contentWidgetPalette.brush(QPalette::Inactive, QPalette::Base));
         contentWidgetPalette.setBrush(QPalette::Disabled, QPalette::Window, contentWidgetPalette.brush(QPalette::Disabled, QPalette::Base));
         contentWidgetPalette.setBrush(QPalette::Active, QPalette::WindowText, contentWidgetPalette.brush(QPalette::Active, QPalette::Text));
         contentWidgetPalette.setBrush(QPalette::Inactive, QPalette::WindowText, contentWidgetPalette.brush(QPalette::Inactive, QPalette::Text));
         contentWidgetPalette.setBrush(QPalette::Disabled, QPalette::WindowText, contentWidgetPalette.brush(QPalette::Disabled, QPalette::Text));
         const QColor highlightDisabled(KexiUtils::blendedColors(
                                      contentWidgetPalette.color(QPalette::Active, QPalette::Highlight),
                                      contentWidgetPalette.color(QPalette::Disabled, QPalette::Window), 1, 2));
         contentWidgetPalette.setBrush(QPalette::Disabled, QPalette::Highlight, highlightDisabled);
         const QColor highlightedTextDisabled(KexiUtils::blendedColors(
                                      contentWidgetPalette.color(QPalette::Active, QPalette::HighlightedText),
                                      contentWidgetPalette.color(QPalette::Disabled, QPalette::WindowText), 1, 2));
         contentWidgetPalette.setBrush(QPalette::Disabled, QPalette::HighlightedText, highlightedTextDisabled);
         m_contentWidget->setPalette(contentWidgetPalette);
         for(QAbstractScrollArea *area : m_contentWidget->findChildren<QAbstractScrollArea*>()) {
             QPalette pal(area->viewport()->palette());
             pal.setBrush(QPalette::Disabled, QPalette::Base, contentWidgetPalette.brush(QPalette::Disabled, QPalette::Base));
             area->viewport()->setPalette(pal);
         }
 
         m_contentWidget->setAutoFillBackground(true);
         m_contentWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
         m_contentWidget->setContentsMargins(0, 0, 0, 0);
         m_contentLayout->addWidget(m_contentWidget);
         m_contentLayout->setCurrentWidget(m_contentWidget);
         m_contentWidget->setFocus();
         m_contentWidget->installEventFilter(this);
         //connect(m_contentWidget, SIGNAL(destroyed()), this, SLOT(contentWidgetDestroyed()));
     }
     if (fadeEffect) {
         if (m_contentWidget)
             m_contentLayout->update();
 
         QTimer::singleShot(10, fadeEffect, SLOT(start()));
     }
 }
 
 const QWidget *KexiMainMenu::contentWidget() const
 {
     return m_contentWidget;
 }
 
 void KexiMainMenu::setPersistentlySelectedAction(KexiMenuWidgetAction* action, bool set)
 {
     m_persistentlySelectedAction = action;
     m_persistentlySelectedAction->setPersistentlySelected(set);
 }
 
 /*
 void KexiMainMenu::setActiveAction(QAction* action = 0)
 {
     if (!action && !m_menuWidget->actions().isEmpty()) {
         action = actions().first();
     }
     if (action) {
         m_menuWidget->setActiveAction(action);
     }
 }
 */
 
 void KexiMainMenu::selectFirstItem()
 {
     m_selectFirstItem = true;
 }
 
 void KexiMainMenu::showEvent(QShowEvent * event)
 {
     if (!m_initialized) {
         m_initialized = true;
         KActionCollection *ac = KexiMainWindowIface::global()->actionCollection();
         QHBoxLayout *hlyr = new QHBoxLayout(this);
 
         hlyr->setSpacing(0);
         hlyr->setMargin(0);
 
         m_menuWidget = new KexiMenuWidget;
 //! @todo KEXI3 is KexiMenuWidgetStyle needed?
 #if 0
         QString styleName(m_menuWidget->style()->objectName());
         if (KDE::version() < KDE_MAKE_VERSION(4, 8, 0) // a fix is apparently needed for glitch in KDE < 4.8
             && styleName == "oxygen")
         {
             KexiMenuWidgetStyle *customStyle = new KexiMenuWidgetStyle(m_menuWidget->style()->objectName(), this);
             m_menuWidget->setStyle(customStyle);
         }
 #endif
         m_menuWidget->installEventFilter(this);
         m_menuWidget->setFocusPolicy(Qt::StrongFocus);
         setFocusProxy(m_menuWidget);
         m_menuWidget->setFrame(false);
         m_menuWidget->setAutoFillBackground(true);
 
         m_menuWidget->addAction(ac->action("project_welcome"));
         m_menuWidget->addAction(ac->action("project_open"));
         m_menuWidget->addAction(ac->action("project_close"));
         m_menuWidget->addSeparator();
         m_menuWidget->addAction(ac->action("project_new"));
         m_menuWidget->addAction(ac->action("project_import_export_send"));
 #ifdef KEXI_SHOW_UNIMPLEMENTED
         m_menuWidget->addAction(ac->action("project_properties"));
         //! @todo project information
         m_menuWidget->addAction(ac->action("settings"));
 #endif
         m_menuWidget->addSeparator();
         m_menuWidget->addAction(ac->action("quit"));
         hlyr->addWidget(m_menuWidget);
 
         m_content = new EmptyMenuContentWidget;
         m_content->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
         m_content->installEventFilter(this);
         m_mainContentLayout = new QVBoxLayout;
         hlyr->addLayout(m_mainContentLayout);
         m_contentLayout = new QStackedLayout(m_content);
         m_contentLayout->setStackingMode(QStackedLayout::StackAll);
         m_contentLayout->setContentsMargins(0, 0, 0, 0);
         m_mainContentLayout->addWidget(m_content);
         hlyr->setStretchFactor(m_mainContentLayout, 1);
     }
     QWidget::showEvent(event);
     if (m_selectFirstItem && !m_menuWidget->actions().isEmpty()) {
         QAction* action = m_menuWidget->actions().first();
         m_menuWidget->setActiveAction(action);
         m_selectFirstItem = false;
     }
 }
 
 // ---
 
 KexiTabbedToolBar::Private::Private(KexiTabbedToolBar *t)
             : q(t), createWidgetToolBar(0)
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
             , tabToRaise(-1)
 #endif
             , rolledUp(false)
 {
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
     tabRaiseTimer.setSingleShot(true);
     tabRaiseTimer.setInterval(300);
 #endif
     tabBarAnimation.setPropertyName("opacity");
     tabBarAnimation.setDuration(500);
     connect(&tabBarAnimation, SIGNAL(finished()), q, SLOT(tabBarAnimationFinished()));
     tabIndex = 0;
     lowestIndex = 2;
 }
 
 //! @return true if @a style name is specific regarding tab styling
 static bool isSpecificTabStyle(const QString &styleName)
 {
     return styleName == "oxygen" || styleName == "qtcurve" || styleName == "gtk+"
            || styleName == "gtk2";
 }
 
 KexiTabbedToolBarStyle::KexiTabbedToolBarStyle(const QString &baseStyleName)
   : QProxyStyle(baseStyleName)
 {
 }
 
 KexiTabbedToolBarStyle::~KexiTabbedToolBarStyle()
 {
 }
 
 void KexiTabbedToolBarStyle::drawControl(ControlElement element, const QStyleOption *option,
                                          QPainter *painter, const QWidget *widget) const
 {
     const QString styleName(baseStyle()->objectName());
     qreal origOpacity = -1.0;
     if (element == CE_TabBarTab) {
         const QStyleOptionTab* opt
             = qstyleoption_cast<const QStyleOptionTab*>(option);
         const QTabBar* tabBar = qobject_cast<const QTabBar*>(widget);
         KexiTabbedToolBar* tbar = tabBar
             ? qobject_cast<KexiTabbedToolBar*>(tabBar->parentWidget()) : 0;
         if (opt && tbar) {
             const int index = tabBar->tabAt(opt->rect.center());
             if (index == KEXITABBEDTOOLBAR_SPACER_TAB_INDEX)
                 return;
             bool mouseOver = opt->state & QStyle::State_MouseOver;
             bool unselectedOrMenuVisible
                 = !(opt->state & State_Selected) || tbar->mainMenuVisible();
             if (unselectedOrMenuVisible) {
                 if (styleName == "bespin") {
                     unselectedOrMenuVisible = false;
                 }
             }
 
             QStyleOptionTab newOpt(*opt);
             const bool specificStyle = isSpecificTabStyle(styleName);
             newOpt.text = (specificStyle ? " " : "")
                     + tabBar->tabText(index)
                     + (specificStyle ? " " : "");
             if (!mouseOver
                 && unselectedOrMenuVisible
                 && index > 0)
             {
                 if (tbar->mainMenuVisible())
                     newOpt.state &= ~QStyle::State_HasFocus;
                 QProxyStyle::drawControl(CE_TabBarTabLabel, &newOpt, painter, widget);
                 return;
             }
             else if (index == 0) {
                 QBrush bg;
                 newOpt.state |= State_Selected;
                 if (tbar->mainMenuVisible()) {
                     bg = newOpt.palette.brush(QPalette::Active, QPalette::Highlight);
                     if (!specificStyle) {
                         newOpt.palette.setBrush(QPalette::WindowText,
                                                 newOpt.palette.brush(QPalette::Active, QPalette::HighlightedText));
                         newOpt.palette.setBrush(QPalette::ButtonText,
                                                 newOpt.palette.brush(QPalette::Active, QPalette::HighlightedText));
                     }
                 }
                 else {
                     if (styleName == "fusion") {
                         bg = newOpt.palette.brush(QPalette::Active, QPalette::Button);
                     } else {
                         bg = Qt::transparent;
                     }
                 }
                 QFont origFont(painter->font());
                 QFont f(origFont);
                 f.setBold(true);
                 painter->setFont(f);
                 newOpt.palette.setBrush(QPalette::Window, bg);
                 newOpt.palette.setBrush(QPalette::Button, // needed e.g. for Plastique style
                                         bg);
                 QProxyStyle::drawControl(element, &newOpt, painter, widget);
                 painter->setFont(origFont);
                 if (!mouseOver || tbar->mainMenuVisible() || styleName == "gtk+") {
                     return;
                 }
             }
             if (index > 0 || mouseOver) {
                 const QPalette::ColorGroup hbGroup =  (styleName == "oxygen")
                         ? QPalette::Active : QPalette::Inactive;
                 const QBrush hb(newOpt.palette.brush(hbGroup, QPalette::Highlight));
                 newOpt.palette.setBrush(QPalette::Window, hb);
                 newOpt.palette.setBrush(QPalette::Button, hb); // needed e.g. for Plastique style
                 if (mouseOver && (index != tbar->currentIndex() || tbar->mainMenuVisible())) {
                     // use lower opacity for diplaying hovered tabs
                     origOpacity = painter->opacity();
                     painter->setOpacity(styleName == "qtcurve" ? 0.2 : 0.3);
                     newOpt.state |= State_Selected;
                 }
                 else {
                     if (!specificStyle) {
                         newOpt.palette.setBrush(QPalette::WindowText,
                                                 newOpt.palette.brush(QPalette::Inactive, QPalette::HighlightedText));
                         newOpt.palette.setBrush(QPalette::ButtonText,
                                                 newOpt.palette.brush(QPalette::Inactive, QPalette::HighlightedText));
                     }
                 }
                 if (index == tbar->currentIndex() && styleName == "qtcurve") {
                     origOpacity = painter->opacity();
                     painter->setOpacity(0.5);
                 }
                 (newOpt.state |= State_Active) ^= State_Active;
                 QProxyStyle::drawControl(element, &newOpt, painter, widget);
                 if (origOpacity != -1.0) {
                     // restore opacity and draw labels using full this opacity
                     painter->setOpacity(origOpacity);
                     if (index > 0) {
                         QProxyStyle::drawControl(CE_TabBarTabLabel, &newOpt, painter, widget);
                     }
                 }
                 return;
             }
         }
     }
     else if (element == CE_ToolBar) {
         return;
     }
     QProxyStyle::drawControl(element, option, painter, widget);
 }
 
 void KexiTabbedToolBarStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option,
                                            QPainter *painter, const QWidget *widget) const
 {
     const QString styleName(baseStyle()->objectName());
     if (element == PE_FrameTabWidget) {
         return;
     }
     if (element == PE_FrameTabBarBase) {
         const QTabBar* tabBar = qobject_cast<const QTabBar*>(widget);
         KexiTabbedToolBar* tbar = tabBar
             ? qobject_cast<KexiTabbedToolBar*>(tabBar->parentWidget()) : 0;
         if (tbar && tbar->mainMenuVisible() && styleName != "bespin") {
             return;
         }
     }
     if (element == QStyle::PE_PanelToolBar || element == QStyle::PE_FrameMenu) {
         return;
     }
     QProxyStyle::drawPrimitive(element, option, painter, widget);
 }
 
 int KexiTabbedToolBarStyle::pixelMetric(PixelMetric metric, const QStyleOption* option,
                                         const QWidget* widget) const
 {
     if (metric == QStyle::PM_SmallIconSize)
         return KIconLoader::SizeMedium;
     return QProxyStyle::pixelMetric(metric, option, widget);
 }
 
 // ---
 
 KexiTabbedToolBarTabBar::KexiTabbedToolBarTabBar(QWidget *parent)
     : QTabBar(parent)
 {
     setObjectName("tabbar");
     customStyle = new KexiTabbedToolBarStyle(style()->objectName());
     customStyle->setParent(this);
     setStyle(customStyle);
     installEventFilter(parent);
     QWidget *mainWindow = KexiMainWindowIface::global()->thisWidget();
     mainWindow->installEventFilter(parent);
     setAttribute(Qt::WA_Hover, true);
 }
 
 QSize KexiTabbedToolBarTabBar::originalTabSizeHint(int index) const
 {
     return QTabBar::tabSizeHint(index);
 }
 
 QSize KexiTabbedToolBarTabBar::tabSizeHint(int index) const
 {
     QSize s = QTabBar::tabSizeHint(index);
     QStyleOptionTab ot;
     ot.initFrom(this);
     QFont f(font());
     f.setBold(true);
     ot.text = (isSpecificTabStyle(customStyle->baseStyle()->objectName()) ? "  " : "") + tabText(index);
     ot.fontMetrics = QFontMetrics(f);
     int w = customStyle->pixelMetric(QStyle::PM_TabBarTabHSpace, &ot, this);
     if (w <= 0) { // needed e.g. for oxygen
         w = fontMetrics().width("   ");
     }
     if (index == 0) {
         s.setWidth(QFontMetrics(f).width(ot.text) + w * 2);
         return s;
     }
     else if (index == KEXITABBEDTOOLBAR_SPACER_TAB_INDEX) {
         // fix width of the spacer tab
         s.setWidth(w);
     }
     return s;
 }
 
 void KexiTabbedToolBar::Private::toggleMainMenu()
 {
     if (q->mainMenuVisible())
         hideMainMenu();
     else
         showMainMenu();
 }
 
 void KexiTabbedToolBar::Private::showMainMenu(const char* actionName)
 {
     QWidget *mainWindow = KexiMainWindowIface::global()->thisWidget();
     if (!mainMenu) {
         mainMenu = new KexiMainMenu(q, mainWindow);
         connect(mainMenu, SIGNAL(contentAreaPressed()), this, SLOT(hideMainMenu()));
         connect(mainMenu, SIGNAL(hideContentsRequested()), this, SLOT(hideContentsOrMainMenu()));
     }
     updateMainMenuGeometry();
     if (actionName) {
         q->selectMainMenuItem(actionName);
     }
     else {
         mainMenu->selectFirstItem();
     }
     mainMenu->show();
     mainMenu->setFocus();
     q->update(); // tab bar could have a line that should be repainted
 }
 
 void KexiTabbedToolBar::Private::updateMainMenuGeometry()
 {
     if (!mainMenu)
         return;
     QWidget *mainWindow = KexiMainWindowIface::global()->thisWidget();
     KexiTabbedToolBarTabBar *tabBar = static_cast<KexiTabbedToolBarTabBar*>(q->tabBar());
     QPoint pos = q->mapToGlobal(QPoint(0, tabBar->originalTabSizeHint(0).height() - 1));
 //     qDebug() << "1." << pos;
     pos = mainWindow->mapFromGlobal(pos);
 //     qDebug() << "2." << pos;
 //     qDebug() << "3." << q->pos();
 
     QStyleOptionTab ot;
     ot.initFrom(tabBar);
     int overlap = tabBar->style()->pixelMetric(QStyle::PM_TabBarBaseOverlap, &ot, tabBar)
                   - tabBar->style()->pixelMetric(QStyle::PM_TabBarBaseHeight, &ot, tabBar);
 //     qDebug() << "4. overlap=" << overlap;
 
     mainMenu->setGeometry(0, pos.y() - overlap /*- q->y()*/,
                           mainWindow->width(),
                           mainWindow->height() - pos.y() + overlap /*+ q->y()*/);
 }
 
 void KexiTabbedToolBar::Private::initSearchLineEdit()
 {
     //! @todo use KexiConfig
     KConfigGroup mainWindowGroup(KSharedConfig::openConfig()->group("MainWindow"));
     const bool enabled = mainWindowGroup.readEntry("GlobalSearchBoxEnabled", true);
     if (enabled && !searchLineEdit) {
         searchLineEdit = new KexiSearchLineEdit;
         kexiTester() << KexiTestObject(searchLineEdit, "globalSearch.lineEdit");
         searchLineEdit->installEventFilter(q);
         helpLayer->addWidget(searchLineEdit);
     } else if (!enabled && searchLineEdit) {
         helpLayer->removeWidget(searchLineEdit);
         delete searchLineEdit;
         searchLineEdit = nullptr;
     }
 }
 
 void KexiTabbedToolBar::activateSearchLineEdit()
 {
     if (!d->searchLineEdit) {
         return;
     }
     d->searchLineEdit->selectAll();
     d->searchLineEdit->setFocus();
 }
 
 void KexiTabbedToolBar::Private::hideMainMenu()
 {
     if (!mainMenu || !mainMenu->isVisible())
         return;
     mainMenu->hide();
     mainMenu->setContent(0);
     q->update();  // tab bar could have a line that should be repainted
 }
 
 void KexiTabbedToolBar::Private::hideContentsOrMainMenu()
 {
     if (!mainMenu || !mainMenu->isVisible())
         return;
     if (mainMenu->contentWidget()) {
         mainMenu->setContent(0);
     }
     else {
         hideMainMenu();
     }
 }
 
 KToolBar *KexiTabbedToolBar::Private::createToolBar(const char *name, const QString& caption)
 {
     KToolBar *tbar = new KToolBar(q, true /*main toolbar*/, false /*read config*/);
     tbar->setIconDimensions(22); //!< @todo make configurable or system-dependent?
     // needed e.g. for Windows style to remove the toolbar's frame
     tbar->setStyle(customTabBar->customStyle);
     toolbarsForName.insert(name, tbar);
     tbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
     tbar->setObjectName(name);
     toolbarsCaptionForName.insert(name, caption);
     tabIndex = q->addTab(tbar, caption);
     toolbarsVisibleForIndex.append(true);
     toolbarsIndexForName.insert(name, tabIndex);
     return tbar;
 }
 
 KexiTabbedToolBar::KexiTabbedToolBar(QWidget *parent)
         : QTabWidget(parent)
         , d(new Private(this))
 {
     d->customTabBar = new KexiTabbedToolBarTabBar(this);
     setTabBar(d->customTabBar);
     setStyle(d->customTabBar->customStyle);
 
     // from ktabwidget.cpp
     //! @todo QTabWidget::setTabBar() should be added with this code
     //! @todo KEXI3 Are these tabBar() connections useful to port?
 #if 0
     connect(tabBar(), SIGNAL(contextMenu(int,QPoint)), SLOT(contextMenu(int,QPoint&)));
     connect(tabBar(), SIGNAL(tabDoubleClicked(int)), SLOT(mouseDoubleClick(int)));
     connect(tabBar(), SIGNAL(newTabRequest()), this, SIGNAL(mouseDoubleClick())); // #185487
     connect(tabBar(), SIGNAL(mouseMiddleClick(int)), SLOT(mouseMiddleClick(int)));
     connect(tabBar(), SIGNAL(initiateDrag( int )), SLOT(initiateDrag( int )));
     connect(tabBar(), SIGNAL(testCanDecode(QDragMoveEvent*,bool*)), SIGNAL(testCanDecode(QDragMoveEvent*,bool*)));
     connect(tabBar(), SIGNAL(receivedDropEvent(int,QDropEvent*)), SLOT(receivedDropEvent(int,QDropEvent*)));
     connect(tabBar(), SIGNAL(moveTab(int,int)), SLOT(moveTab(int,int)));
     connect(tabBar(), SIGNAL(tabCloseRequested(int)), SLOT(closeRequest(int)));
 #endif
 
     setMouseTracking(true); // for mouseMoveEvent()
     setWhatsThis(xi18n("Task-oriented toolbar. Groups commands using tabs."));
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
     connect(&d->tabRaiseTimer, SIGNAL(timeout()), this, SLOT(slotDelayedTabRaise()));
 #endif
     connect(tabBar(), SIGNAL(tabBarDoubleClicked(int)), this, SLOT(slotTabDoubleClicked(int)));
 
     d->ac = KexiMainWindowIface::global()->actionCollection();
     QWidget *mainWin = KexiMainWindowIface::global()->thisWidget();
     const bool userMode = KexiMainWindowIface::global()->userMode();
     KToolBar *tbar;
 
     slotSettingsChanged(0);//KGlobalSettings::FontChanged
     //! @todo KEXI3 port from KGlobalSettings::Private::_k_slotNotifyChange:
     //! connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)), this, SLOT(slotSettingsChanged(int)));
 
     // help area
     QWidget *helpWidget = new QWidget(this);
     helpWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
     d->helpLayer = new QHBoxLayout(helpWidget);
     d->helpLayer->setContentsMargins(0, 0, 0, 0);
 
     // * HELP MENU
     // add help menu actions... (KexiTabbedToolBar depends on them)
     d->helpMenu = new KHelpMenu(this, KAboutData::applicationData(),
                                 true/*showWhatsThis*/);
     QAction* help_report_bug_action = d->helpMenu->action(KHelpMenu::menuReportBug);
     d->ac->addAction(help_report_bug_action->objectName(), help_report_bug_action);
     QObject::disconnect(help_report_bug_action, 0, 0, 0);
     QObject::connect(help_report_bug_action, SIGNAL(triggered()), mainWin, SLOT(slotReportBug()));
     help_report_bug_action->setText(xi18nc("Report a bug or wish for Kexi application", "Report a &Bug or Wish..."));
     help_report_bug_action->setIcon(koIcon("tools-report-bug")); // good icon for toolbar
     help_report_bug_action->setWhatsThis(xi18n("Files a bug or wish for Kexi application."));
     QAction* help_whats_this_action =  d->helpMenu->action(KHelpMenu::menuWhatsThis);
     d->ac->addAction(help_whats_this_action->objectName(), help_whats_this_action);
     help_whats_this_action->setWhatsThis(xi18n("Activates a \"What's This?\" tool."));
     QAction* help_contents_action = d->helpMenu->action(KHelpMenu::menuHelpContents);
     d->ac->addAction(help_contents_action->objectName(), help_contents_action);
     help_contents_action->setText(xi18n("Help"));
     help_contents_action->setWhatsThis(xi18n("Shows Kexi Handbook."));
     QAction* help_about_app_action = d->helpMenu->action(KHelpMenu::menuAboutApp);
     d->ac->addAction(help_about_app_action->objectName(), help_about_app_action);
     help_about_app_action->setWhatsThis(xi18n("Shows information about Kexi application."));
     QAction* help_about_kde_action = d->helpMenu->action(KHelpMenu::menuAboutKDE);
     d->ac->addAction(help_about_kde_action->objectName(), help_about_kde_action);
     help_about_kde_action->setWhatsThis(xi18n("Shows information about KDE."));
     QAction* help_switch_language_action = d->helpMenu->action(KHelpMenu::menuSwitchLanguage);
     if (help_switch_language_action) {
         d->ac->addAction(help_switch_language_action->objectName(), help_switch_language_action);
     }
     // extra action such as help_donate may be confusing for the user or conflicting with existing so hide it
     QAction *extraAction = d->helpMenu->action(static_cast<KHelpMenu::MenuId>(KHelpMenu::menuSwitchLanguage + 1));
     if (extraAction) {
         extraAction->setVisible(false);
     }
 
     QAction *action_show_help_menu = d->ac->action("help_show_menu");
     KexiSmallToolButton *btn = new KexiSmallToolButton(koIcon("help-about"), QString(), helpWidget);
     btn->setToolButtonStyle(Qt::ToolButtonIconOnly);
     btn->setPopupMode(QToolButton::InstantPopup);
     btn->setToolTip(action_show_help_menu->toolTip());
     btn->setWhatsThis(action_show_help_menu->whatsThis());
     btn->setFocusPolicy(Qt::NoFocus);
     QStyleOptionToolButton opt;
     opt.initFrom(btn);
     int w = btn->sizeHint().width();
     int wAdd = btn->style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, btn);
     if (w <= (2 * (wAdd + 1))) {
         w += wAdd + 2;
     }
     btn->setMinimumWidth(w);
     connect(action_show_help_menu, SIGNAL(triggered()), btn, SLOT(showMenu()));
     d->helpLayer->addWidget(btn);
     btn->setMenu(d->helpMenu->menu());
     setCornerWidget(helpWidget, Qt::TopRightCorner);
     d->initSearchLineEdit();
 
     // needed e.g. for Windows style to remove the toolbar's frame
     QWidget *dummyWidgetForMainMenu = new QWidget(this);
     dummyWidgetForMainMenu->setObjectName("kexi");
     addTab(dummyWidgetForMainMenu, KAboutData::applicationData().displayName());
     d->toolbarsVisibleForIndex.append(true);
     addTab(new QWidget(this), QString()); // dummy for spacer
     d->toolbarsVisibleForIndex.append(true);
 
     if (!userMode) {
         d->createWidgetToolBar = d->createToolBar("create", xi18n("Create"));
     }
 
     tbar = d->createToolBar("data", xi18n("Data"));
     addAction(tbar, "edit_cut");
     addAction(tbar, "edit_copy");
     addAction(tbar, "edit_paste");
     if (!userMode)
         addAction(tbar, "edit_paste_special_data_table");
 //! @todo move undo/redo to quickbar:
 
     tbar = d->createToolBar("external", xi18n("External Data"));
     if (!userMode) {
         addAction(tbar, "project_import_data_table");
         addAction(tbar, "tools_import_tables");
     }
 
     tbar = d->createToolBar("tools", xi18n("Tools"));
     addAction(tbar, "tools_compact_database");
 
 //! @todo move to form plugin
     tbar = d->createToolBar("form", xi18n("Form Design"));
 
 //! @todo move to report plugin
     tbar = d->createToolBar("report", xi18n("Report Design"));
 
     connect(this, SIGNAL(currentChanged(int)), this, SLOT(slotCurrentChanged(int)));
     setCurrentWidget(widget(KEXITABBEDTOOLBAR_SPACER_TAB_INDEX + 1)); // the default
     setFocusPolicy(Qt::NoFocus);
 }
 
 void KexiTabbedToolBar::Private::setCurrentTab(const QString& name)
 {
     q->setCurrentWidget(q->toolBar(name));
 }
 
 void KexiTabbedToolBar::Private::hideTab(const QString& name)
 {
     q->removeTab(q->indexOf(toolbarsForName.value(name)));
     toolbarsVisibleForIndex[toolbarsIndexForName.value(name)] = false;
 }
 
 bool KexiTabbedToolBar::Private::isTabVisible(const QString& name) const
 {
     return q->indexOf(toolbarsForName.value(name)) != -1
            && toolbarsVisibleForIndex[toolbarsIndexForName.value(name)];
 }
 
 #ifndef NDEBUG
 void KexiTabbedToolBar::Private::debugToolbars() const
 {
     qDebug() << "QHash<QString, KToolBar*> toolbarsForName:";
     for (QHash<QString, KToolBar*>::ConstIterator it(toolbarsForName.constBegin());
          it!=toolbarsForName.constEnd(); ++it)
     {
         qDebug() << it.key() << "->" << it.value();
     }
     qDebug() << "QHash<QString, int> toolbarsIndexForName:";
     for (QHash<QString, int>::ConstIterator it(toolbarsIndexForName.constBegin());
          it!=toolbarsIndexForName.constEnd(); ++it)
     {
         qDebug() << it.key() << "->" << it.value();
     }
     qDebug() << "QHash<QString, QString> toolbarsCaptionForName:";
     for (QHash<QString, QString>::ConstIterator it(toolbarsCaptionForName.constBegin());
          it!=toolbarsCaptionForName.constEnd(); ++it)
     {
         qDebug() << it.key() << "->" << it.value();
     }
     qDebug() << "QVector<bool> toolbarsVisibleForIndex:";
     for (int i = 0; i < toolbarsVisibleForIndex.size(); i++) {
         qDebug() << i << "->" << toolbarsVisibleForIndex[i];
     }
 }
 #endif
 
 void KexiTabbedToolBar::Private::showTab(const QString& name)
 {
 //    qDebug() << "name:" << name;
 //    qDebug() << "toolbarsForName.value(name):" << toolbarsForName.value(name);
 //    qDebug() << "toolbarsIndexForName.value(name):" << toolbarsIndexForName.value(name);
 //    qDebug() << "q->indexOf(toolbarsForName.value(name))" << q->indexOf(toolbarsForName.value(name));
 #ifndef NDEBUG
     //debugToolbars();
 #endif
     if (q->indexOf(toolbarsForName.value(name)) == -1) {
         int h = 0;
         // count h = invisible tabs before this
         for (int i = lowestIndex; i < toolbarsIndexForName.value(name); i++) {
             if (!toolbarsVisibleForIndex.at(i))
                 h++;
         }
         q->insertTab(toolbarsIndexForName.value(name) - h,
                      toolbarsForName.value(name), toolbarsCaptionForName.value(name));
         toolbarsVisibleForIndex[toolbarsIndexForName.value(name)] = true;
     }
 }
 
 // ---
 
 KexiTabbedToolBar::~KexiTabbedToolBar()
 {
     delete d;
 }
 
 bool KexiTabbedToolBar::mainMenuVisible() const
 {
     return d->mainMenu && d->mainMenu->isVisible();
 }
 
 QRect KexiTabbedToolBar::tabRect(int index) const
 {
     return tabBar()->tabRect(index);
 }
 
 KHelpMenu* KexiTabbedToolBar::helpMenu() const
 {
     return d->helpMenu;
 }
 
 void KexiTabbedToolBar::slotSettingsChanged(int category)
 {
     Q_UNUSED(category);
     //! @todo if (category == KGlobalSettings::FontChanged) {
         //! @todo KEXI3 KGlobalSettings::menuFont() not available (using QFontDatabase::systemFont(QFontDatabase::GeneralFont) for now)
         //!       https://community.kde.org/Frameworks/Porting_Notes#Global_Settings
         setFont(QFontDatabase::systemFont(QFontDatabase::GeneralFont)); // the toolbar acts like a menu
     //}
 }
 
 KToolBar* KexiTabbedToolBar::createWidgetToolBar() const
 {
     return d->createWidgetToolBar;
 }
 
 void KexiTabbedToolBar::mouseMoveEvent(QMouseEvent* event)
 {
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
     QPoint p = event->pos();
     int tab = tabBar()->tabAt(p);
     if (d->tabToRaise != -1 && (tab == -1 || tab == currentIndex())) {
         d->tabRaiseTimer.stop();
         d->tabToRaise = -1;
     } else if (d->tabToRaise != tab) {
         d->tabRaiseTimer.start();
 
         d->tabToRaise = tab;
     }
 #endif
     QTabWidget::mouseMoveEvent(event);
 }
 
 void KexiTabbedToolBar::leaveEvent(QEvent* event)
 {
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
     d->tabRaiseTimer.stop();
     d->tabToRaise = -1;
 #endif
     QTabWidget::leaveEvent(event);
 }
 
 bool KexiTabbedToolBar::eventFilter(QObject* watched, QEvent* event)
 {
     switch (event->type()) {
     case QEvent::MouseButtonPress: {
         QWidget *mainWin = KexiMainWindowIface::global()->thisWidget();
         // qDebug() << "MouseButtonPress: watched:" << watched << "window()->focusWidget():" << window()->focusWidget();
         if (d->searchLineEdit && watched == d->searchLineEdit) {
             activateSearchLineEdit(); // custom setFocus() for search box, so it's possible to focus
                                       // back on Escape key press
             return false;
         }
         else if (watched == tabBar()) {
             QMouseEvent* me = static_cast<QMouseEvent*>(event);
             QPoint p = me->pos();
             KexiTabbedToolBarTabBar *tb = static_cast<KexiTabbedToolBarTabBar*>(tabBar());
             int index = tb->tabAt(p);
             if (index == 0) {
                 d->toggleMainMenu();
                 return true;
             }
             d->hideMainMenu();
             if (index == KEXITABBEDTOOLBAR_SPACER_TAB_INDEX) {
                 return true;
             }
         }
         else if (watched == mainWin && d->mainMenu) {
             QMouseEvent* me = static_cast<QMouseEvent*>(event);
             if (!QRect(d->mainMenu->mapToGlobal(QPoint(0,0)), d->mainMenu->size())
                     .contains(mainWin->mapToGlobal(me->pos())))
             {
                 // hide if clicked outside of the menu
                 d->hideMainMenu();
             }
         }
         }
         break;
     case QEvent::KeyPress: {
         QKeyEvent* ke = static_cast<QKeyEvent*>(event);
 //         qDebug() << "**********" << QString::number(ke->key(), 16)
 //                  << QKeySequence::mnemonic(tabText(0))[0];
         if (QKeySequence::mnemonic(tabText(0)) == QKeySequence(ke->key())) {
 //             qDebug() << "eat the &File accel";
             if (!d->mainMenu || !d->mainMenu->isVisible()) {
                 d->showMainMenu();
             }
             /*this could be unexpected:
             else if (d->mainMenu && d->mainMenu->isVisible()) {
                 d->hideMainMenu();
             }*/
             return true;
         }
         if (d->mainMenu && d->mainMenu->isVisible() && (ke->key() == Qt::Key_Escape) && ke->modifiers() == Qt::NoModifier) {
             d->hideContentsOrMainMenu();
             return true;
         }
         break;
     }
     case QEvent::Resize:
         if (watched == KexiMainWindowIface::global()->thisWidget()) {
             d->updateMainMenuGeometry();
         }
         break;
     case QEvent::Shortcut: {
         QShortcutEvent *se = static_cast<QShortcutEvent*>(event);
         if (watched == tabBar() && QKeySequence::mnemonic(tabText(0)) == se->key()) {
 //             qDebug() << "eat the &File accel";
             if (!d->mainMenu || !d->mainMenu->isVisible()) {
                 d->showMainMenu();
                 return true;
             }
         }
         break;
     }
     default:;
     }
     return QTabWidget::eventFilter(watched, event);
 }
 
 void KexiTabbedToolBar::slotCurrentChanged(int index)
 {
     if (index == indexOf(d->createWidgetToolBar) && index != -1) {
         if (d->createWidgetToolBar->actions().isEmpty()) {
             QTimer::singleShot(10, this, SLOT(setupCreateWidgetToolbar()));
         }
     }
     if (d->rolledUp) { // switching the tab rolls down
         slotTabDoubleClicked(index);
     }
     if (index == 0) { // main menu
         d->showMainMenu();
     }
     else {
         d->hideMainMenu();
     }
 }
 
 void KexiTabbedToolBar::slotTabDoubleClicked(int index)
 {
     if (index <= 0) {
         return; // main item does not count here
     }
     d->rolledUp = !d->rolledUp;
     d->tabBarAnimation.stop();
     QWidget *w = widget(index);
     if (!w) {
         return;
     }
     w->setGraphicsEffect(&d->tabBarOpacityEffect);
     if (d->rolledUp) {
         d->tabBarOpacityEffect.setOpacity(1.0);
         d->tabBarAnimation.setTargetObject(&d->tabBarOpacityEffect);
         d->tabBarAnimation.setStartValue(1.0);
         d->tabBarAnimation.setEndValue(0.0);
         d->tabBarAnimation.start();
     }
     else { // roll down
         d->tabBarOpacityEffect.setOpacity(0.0);
         setMaximumHeight(QWIDGETSIZE_MAX);
         widget(d->rolledUpIndex)->show();
         widget(d->rolledUpIndex)->setMaximumHeight(QWIDGETSIZE_MAX);
         w->setMaximumHeight(QWIDGETSIZE_MAX);
         w->show();
         d->tabBarAnimation.setTargetObject(&d->tabBarOpacityEffect);
         d->tabBarAnimation.setStartValue(0.0);
         d->tabBarAnimation.setEndValue(1.0);
         d->tabBarAnimation.start();
     }
 }
 
 void KexiTabbedToolBar::tabBarAnimationFinished()
 {
     if (d->rolledUp) {
         // hide and collapse the area
         widget(currentIndex())->hide();
         KexiTabbedToolBarTabBar *tb = static_cast<KexiTabbedToolBarTabBar*>(tabBar());
         setFixedHeight(tb->tabSizeHint(currentIndex()).height());
         widget(currentIndex())->setFixedHeight(0);
         d->rolledUpIndex = currentIndex();
     }
 }
 
 void KexiTabbedToolBar::setupCreateWidgetToolbar()
 {
     if (!d->createWidgetToolBar->actions().isEmpty())
         return;
 //! @todo separate core object types from custom....
     KexiPart::PartInfoList *plist = Kexi::partManager().infoList(); //this list is properly sorted
     if (plist) {
         foreach(KexiPart::Info *info, *plist) {
             QAction* a = info->newObjectAction();
             if (a) {
                 d->createWidgetToolBar->addAction(a);
             } else {
                 //! @todo err
             }
         }
     }
 }
 
 void KexiTabbedToolBar::slotDelayedTabRaise()
 {
 #ifdef KEXI_AUTORISE_TABBED_TOOLBAR
     QPoint p = mapFromGlobal(QCursor::pos()); // make sure cursor is still over the tab
     int tab = tabBar()->tabAt(p);
     if (tab != d->tabToRaise) {
         d->tabToRaise = -1;
     } else if (d->tabToRaise != -1) {
         setCurrentIndex(d->tabToRaise);
         d->tabToRaise = -1;
     }
 #endif
 }
 
 KToolBar *KexiTabbedToolBar::toolBar(const QString& name) const
 {
     return d->toolbarsForName[name];
 }
 
 void KexiTabbedToolBar::addAction(KToolBar *tbar, const char* actionName)
 {
     QAction *a = d->ac->action(actionName);
     if (a)
         tbar->addAction(a);
 }
 
 void KexiTabbedToolBar::addAction(const QString& toolBarName, QAction *action)
 {
     if (!action)
         return;
     KToolBar *tbar = d->toolbarsForName[toolBarName];
     if (!tbar)
         return;
     tbar->addAction(action);
 }
 
 void KexiTabbedToolBar::addSeparatorAndAction(KToolBar *tbar, const char* actionName)
 {
     QAction *a = d->ac->action(actionName);
     if (a) {
         tbar->addSeparator();
         tbar->addAction(a);
     }
 }
 
 void KexiTabbedToolBar::appendWidgetToToolbar(const QString& name, QWidget* widget)
 {
     KToolBar *tbar = d->toolbarsForName[name];
     if (!tbar) {
         return;
     }
     QAction *action = tbar->addWidget(widget);
     d->extraActions.insert(widget, action);
 }
 
 void KexiTabbedToolBar::setWidgetVisibleInToolbar(QWidget* widget, bool visible)
 {
     QAction *action = d->extraActions[widget];
     if (!action) {
         return;
     }
     action->setVisible(visible);
 }
 
 void KexiTabbedToolBar::showMainMenu(const char* actionName)
 {
     d->showMainMenu(actionName);
 }
 
 void KexiTabbedToolBar::hideMainMenu()
 {
     d->hideMainMenu();
 }
 
 void KexiTabbedToolBar::toggleMainMenu()
 {
     d->toggleMainMenu();
 }
 
 void KexiTabbedToolBar::setMainMenuContent(QWidget *w)
 {
     d->mainMenu->setContent(w);
 }
 
 const QWidget* KexiTabbedToolBar::mainMenuContent()
 {
     return d->mainMenu->contentWidget();
 }
 
 void KexiTabbedToolBar::selectMainMenuItem(const char *actionName)
 {
     if (actionName) {
         KActionCollection *ac = KexiMainWindowIface::global()->actionCollection();
         KexiMenuWidgetAction *a = qobject_cast<KexiMenuWidgetAction*>(ac->action(actionName));
         if (a) {
             d->mainMenu->setPersistentlySelectedAction(a, true);
         }
     }
 }
 
 void KexiTabbedToolBar::addSearchableModel(KexiSearchableModel *model)
 {
     if (!d->searchLineEdit) {
         return;
     }
     d->searchLineEdit->addSearchableModel(model);
 }
 
 void KexiTabbedToolBar::removeSearchableModel(KexiSearchableModel *model)
 {
     if (!d->searchLineEdit) {
         return;
     }
     d->searchLineEdit->removeSearchableModel(model);
 }
 
 KToolBar* KexiTabbedToolBar::createToolBar(const char* name, const QString& caption)
 {
     return d->createToolBar(name, caption);
 }
 
 void KexiTabbedToolBar::setCurrentTab(const QString& name)
 {
     //qDebug() << name;
     d->setCurrentTab(name);
 }
 
 void KexiTabbedToolBar::setCurrentTab(int index)
 {
     setCurrentIndex(d->lowestIndex + index);
 }
 
 void KexiTabbedToolBar::hideTab(const QString& name)
 {
     //qDebug() << name;
     d->hideTab(name);
 }
 
 void KexiTabbedToolBar::showTab(const QString& name)
 {
     //qDebug() << name;
     d->showTab(name);
 }
 
 bool KexiTabbedToolBar::isTabVisible(const QString& name) const
 {
     return d->isTabVisible(name);
 }
 
 bool KexiTabbedToolBar::isRolledUp()
 {
     return d->rolledUp;
 }
 
 void KexiTabbedToolBar::toggleRollDown()
 {
     slotTabDoubleClicked(-1);//use -1 just to rolldown/up the tabbar
 }
 
 // ---
 
 KexiMainWidget::KexiMainWidget()
         : KMainWindow(0, Qt::Widget)
         , m_mainWindow(0)
 {
     setupCentralWidget();
 }
 
 KexiMainWidget::~KexiMainWidget()
 {
 }
 
 void KexiMainWidget::setParent(KexiMainWindow* mainWindow)
 {
     KMainWindow::setParent(mainWindow);
     m_mainWindow = mainWindow;
 }
 
 KexiMainWindowTabWidget* KexiMainWidget::tabWidget() const
 {
     return m_tabWidget;
 }
 
 void KexiMainWidget::setupCentralWidget()
 {
     QWidget *centralWidget = new QWidget(this);
     QVBoxLayout *centralWidgetLyr = new QVBoxLayout(centralWidget);
     m_tabWidget = new KexiMainWindowTabWidget(centralWidget, this);
     connect(m_tabWidget, SIGNAL(currentChanged(int)), this, SLOT(slotCurrentTabIndexChanged(int)));
     centralWidgetLyr->setContentsMargins(0, 0, 0, 0);
     centralWidgetLyr->setSpacing(0);
     centralWidgetLyr->addWidget(m_tabWidget);
     setCentralWidget(centralWidget);
     layout()->setContentsMargins(0, 0, 0, 0);
     layout()->setSpacing(0);
 }
 
 bool KexiMainWidget::queryClose()
 {
     return m_mainWindow ? m_mainWindow->queryClose() : true;
 }
 
 void KexiMainWidget::slotCurrentTabIndexChanged(int index)
 {
     KexiWindowContainer* cont = dynamic_cast<KexiWindowContainer*>(m_tabWidget->widget(index));
     if (! cont || (KexiWindow*)m_previouslyActiveWindow == cont->window)
         return;
     if (m_mainWindow)
         m_mainWindow->activeWindowChanged(cont->window, (KexiWindow*)m_previouslyActiveWindow);
     m_previouslyActiveWindow = cont->window;
     emit currentTabIndexChanged(index);
 }
 
 //------------------------------------------
 
 KexiMainWindow::Private::Private(KexiMainWindow* w)
     : wnd(w)
 {
     actionCollection = new KActionCollection(w);
     propEditor = 0;
     propEditorDockWidget = 0;
     navDockWidget = 0;
     propEditorTabWidget = 0;
     KexiProjectData *pdata = KexiStartupHandler::global()->projectData();
     userMode = KexiStartupHandler::global()->forcedUserMode() /* <-- simply forced the user mode */
                /* project has 'user mode' set as default and not 'design mode' override is found: */
                || (pdata && pdata->userMode() && !KexiStartupHandler::global()->forcedDesignMode());
     isProjectNavigatorVisible = KexiStartupHandler::global()->isProjectNavigatorVisible();
     isMainMenuVisible = KexiStartupHandler::global()->isMainMenuVisible();
     navigator = 0;
     prj = 0;
     config = KSharedConfig::openConfig();
     nameDialog = 0;
     m_findDialog = 0;
     focus_before_popup = 0;
     action_show_nav = 0;
     action_show_propeditor = 0;
     action_activate_nav = 0;
     action_activate_propeditor = 0;
     action_welcome_projects_title_id = -1;
     action_welcome_connections_title_id = -1;
     forceWindowClosing = false;
     insideCloseWindow = false;
 #ifndef KEXI_NO_PENDING_DIALOGS
     actionToExecuteWhenPendingJobsAreFinished = NoAction;
 #endif
     propEditorDockSeparatorPos = -1;
     navDockSeparatorPos = -1;
     wasAutoOpen = false;
     windowExistedBeforeCloseProject = false;
 #ifndef KEXI_SHOW_UNIMPLEMENTED
     dummy_action = new KActionMenu(QString(), wnd);
 #endif
     forceShowProjectNavigatorOnCreation = false;
     forceHideProjectNavigatorOnCreation = false;
     navWasVisibleBeforeProjectClosing = false;
     saveSettingsForShowProjectNavigator = true;
     propertyEditorCollapsed = false;
     enable_slotPropertyEditorVisibilityChanged = true;
     migrateManager = 0;
 }
 
 KexiMainWindow::Private::~Private()
 {
     qDeleteAll(m_openedCustomObjectsForItem);
 }
 
 void KexiMainWindow::Private::insertWindow(KexiWindow *window)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     windows.insert(window->id(), window);
 #ifndef KEXI_NO_PENDING_DIALOGS
     pendingWindows.remove(window->id());
 #endif
 }
 
 bool KexiMainWindow::Private::windowContainerExistsFor(int identifier) const
 {
     return windowContainers.contains(identifier);
 }
 
 void KexiMainWindow::Private::setWindowContainerExistsFor(int identifier, bool set)
 {
     if (set) {
         windowContainers.insert(identifier);
     }
     else {
         windowContainers.remove(identifier);
     }
 }
 
 void KexiMainWindow::Private::updateWindowId(KexiWindow *window, int oldItemID)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     windows.remove(oldItemID);
 #ifndef KEXI_NO_PENDING_DIALOGS
     pendingWindows.remove(oldItemID);
 #endif
     windows.insert(window->id(), window);
 }
 
 void KexiMainWindow::Private::removeWindow(int identifier)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     windows.remove(identifier);
 }
 
 int KexiMainWindow::Private::openedWindowsCount()
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     return windows.count();
 }
 
 //! Used in KexiMainWindowe::closeProject()
 void KexiMainWindow::Private::clearWindows()
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     windows.clear();
 #ifndef KEXI_NO_PENDING_DIALOGS
     pendingWindows.clear();
 #endif
 }
 
 void KexiMainWindow::Private::showStartProcessMsg(const QStringList& args)
 {
     wnd->showErrorMessage(xi18nc("@info", "Could not start <application>%1</application> application.",
                                  QString::fromLatin1(KEXI_APP_NAME)),
                           xi18nc("@info",
                                  "Command <command>%1</command> failed.", args.join(" ")));
 }
 
 void KexiMainWindow::Private::updatePropEditorVisibility(Kexi::ViewMode viewMode, KexiPart::Info *info)
 {
     if (!propEditorDockWidget)
         return;
     KexiWindow *currentWindow = wnd->currentWindow();
     if (!info && currentWindow) {
         info = currentWindow->part()->info();
     }
     const bool visible = (viewMode == Kexi::DesignViewMode)
         && ((currentWindow && currentWindow->propertySet()) || (info && info->isPropertyEditorAlwaysVisibleInDesignMode()));
     //qDebug() << "visible == " << visible;
     enable_slotPropertyEditorVisibilityChanged = false;
     if (visible && propertyEditorCollapsed) { // used when we're switching back to a window with propeditor available but collapsed
         propEditorDockWidget->setVisible(!visible);
         setPropertyEditorTabBarVisible(true);
     }
     else {
         propEditorDockWidget->setVisible(visible);
         setPropertyEditorTabBarVisible(false);
     }
     enable_slotPropertyEditorVisibilityChanged = true;
 }
 
 void KexiMainWindow::Private::setTabBarVisible(KMultiTabBar::KMultiTabBarPosition position, int id,
                                                KexiDockWidget *dockWidget, bool visible)
 {
     KMultiTabBar *mtbar = multiTabBars.value(position);
     if (!mtbar) {
         return;
     }
     if (!visible) {
         mtbar->removeTab(id);
     }
     else if (!mtbar->tab(id)) {
         mtbar->appendTab(koIcon("document-properties"), id, dockWidget->tabText);
         KMultiTabBarTab *tab = mtbar->tab(id);
         QObject::connect(tab, SIGNAL(clicked(int)),
                          wnd, SLOT(slotMultiTabBarTabClicked(int)),
                          Qt::UniqueConnection);
     }
 }
 
 void KexiMainWindow::Private::setPropertyEditorTabBarVisible(bool visible)
 {
     setTabBarVisible(KMultiTabBar::Right, PROPERTY_EDITOR_TABBAR_ID,
                      propEditorDockWidget, visible);
 }
 
 QObject *KexiMainWindow::Private::openedCustomObjectsForItem(KexiPart::Item* item, const char* name)
 {
     if (!item || !name) {
         qWarning() << "!item || !name";
         return 0;
     }
     QByteArray key(QByteArray::number(item->identifier()) + name);
     return m_openedCustomObjectsForItem.value(key);
 }
 
 void KexiMainWindow::Private::addOpenedCustomObjectForItem(KexiPart::Item* item, QObject* object, const char* name)
 {
     QByteArray key(QByteArray::number(item->identifier()) + name);
     m_openedCustomObjectsForItem.insert(key, object);
 }
 
 KexiFindDialog *KexiMainWindow::Private::findDialog()
 {
     if (!m_findDialog) {
         m_findDialog = new KexiFindDialog(wnd);
         m_findDialog->setActions(action_edit_findnext, action_edit_findprev,
                                  action_edit_replace, action_edit_replace_all);
     }
     return m_findDialog;
 }
 
 void KexiMainWindow::Private::updateFindDialogContents(bool createIfDoesNotExist)
 {
     if (!wnd->currentWindow())
         return;
     if (!createIfDoesNotExist && (!m_findDialog || !m_findDialog->isVisible()))
         return;
     KexiSearchAndReplaceViewInterface* iface = currentViewSupportingSearchAndReplaceInterface();
     if (!iface) {
         if (m_findDialog) {
             m_findDialog->setButtonsEnabled(false);
             m_findDialog->setLookInColumnList(QStringList(), QStringList());
         }
         return;
     }
 //! @todo use ->caption() here, depending on global settings related to displaying captions
     findDialog()->setObjectNameForCaption(wnd->currentWindow()->partItem()->name());
 
     QStringList columnNames;
     QStringList columnCaptions;
     QString currentColumnName; // for 'look in'
     if (!iface->setupFindAndReplace(columnNames, columnCaptions, currentColumnName)) {
         m_findDialog->setButtonsEnabled(false);
         m_findDialog->setLookInColumnList(QStringList(), QStringList());
         return;
     }
     m_findDialog->setButtonsEnabled(true);
     const QString prevColumnName(m_findDialog->currentLookInColumnName());
     m_findDialog->setLookInColumnList(columnNames, columnCaptions);
     m_findDialog->setCurrentLookInColumnName(prevColumnName);
 }
 
 KexiView *KexiMainWindow::Private::currentViewSupportingAction(const char* actionName) const
 {
     if (!wnd->currentWindow())
         return 0;
     KexiView *view = wnd->currentWindow()->selectedView();
     if (!view)
         return 0;
     QAction *action = view->sharedAction(actionName);
     if (!action || !action->isEnabled())
         return 0;
     return view;
 }
 
 KexiSearchAndReplaceViewInterface* KexiMainWindow::Private::currentViewSupportingSearchAndReplaceInterface() const
 {
     if (!wnd->currentWindow())
         return 0;
     KexiView *view = wnd->currentWindow()->selectedView();
     if (!view)
         return 0;
     return dynamic_cast<KexiSearchAndReplaceViewInterface*>(view);
 }
 
 tristate KexiMainWindow::Private::showProjectMigrationWizard(
     const QString& mimeType, const QString& databaseName, const KDbConnectionData *cdata)
 {
     //pass arguments
     QMap<QString, QString> args;
     args.insert("mimeType", mimeType);
     args.insert("databaseName", databaseName);
     if (cdata) { //pass KDbConnectionData serialized as a string...
         QString str;
         KDbUtils::serializeMap(cdata->toMap(), &str);
         args.insert("connectionData", str);
     }
 
     QDialog *dlg = KexiInternalPart::createModalDialogInstance("org.kexi-project.migration", "migration", wnd, 0, &args);
     if (!dlg)
         return false; //error msg has been shown by KexiInternalPart
 
     const int result = dlg->exec();
     delete dlg;
     if (result != QDialog::Accepted)
         return cancelled;
 
     //open imported project in a new Kexi instance
     QString destinationDatabaseName(args["destinationDatabaseName"]);
     QString fileName, destinationConnectionShortcut;
     if (!destinationDatabaseName.isEmpty()) {
         if (args.contains("destinationConnectionShortcut")) {
             // server-based
             destinationConnectionShortcut = args["destinationConnectionShortcut"];
         } else {
             // file-based
             fileName = destinationDatabaseName;
             destinationDatabaseName.clear();
         }
         tristate res = wnd->openProject(fileName, destinationConnectionShortcut,
                                         destinationDatabaseName);
         wnd->raise();
         return res;
     }
     return true;
 }
 
 KexiAssistantPage *KexiMainWindow::Private::visibleMainMenuWidgetPage()
 {
     const KexiAssistantWidget *widget = qobject_cast<const KexiAssistantWidget*>(tabbedToolBar->mainMenuContent());
     if (widget && widget->isVisible()) {
         return widget->currentPage();
     }
     return nullptr;
 }
 
 #ifndef KEXI_NO_PENDING_DIALOGS
 void KexiMainWindow::Private::executeActionWhenPendingJobsAreFinished()
 {
     ActionToExecuteWhenPendingJobsAreFinished a = actionToExecuteWhenPendingJobsAreFinished;
     actionToExecuteWhenPendingJobsAreFinished = NoAction;
     switch (a) {
     case QuitAction:
         qApp->quit();
         break;
     case CloseProjectAction:
         wnd->closeProject();
         break;
     default:;
     }
 }
 
 KexiWindow *KexiMainWindow::Private::openedWindowFor(const KexiPart::Item* item, PendingJobType &pendingType)
 {
     return openedWindowFor(item->identifier(), pendingType);
 }
 
 KexiWindow *KexiMainWindow::Private::openedWindowFor(int identifier, PendingJobType &pendingType)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     QHash<int, PendingJobType>::ConstIterator it = pendingWindows.find(identifier);
     if (it == pendingWindows.end())
         pendingType = NoJob;
     else
         pendingType = it.value();
 
     if (pendingType == WindowOpeningJob) {
         return 0;
     }
     return windows.contains(identifier) ? (KexiWindow*)windows.value(identifier) : 0;
 }
 
 void KexiMainWindow::Private::addItemToPendingWindows(const KexiPart::Item* item, PendingJobType jobType)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     pendingWindows.insert(item->identifier(), jobType);
 }
 
 bool KexiMainWindow::Private::pendingWindowsExist()
 {
     if (pendingWindows.begin() != pendingWindows.end())
         qDebug() <<  pendingWindows.constBegin().key() << " " << (int)pendingWindows.constBegin().value();
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     return !pendingWindows.isEmpty();
 }
 
 void KexiMainWindow::Private::removePendingWindow(int identifier)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     pendingWindows.remove(identifier);
 }
 
 #else // KEXI_NO_PENDING_DIALOGS
 
 KexiWindow *KexiMainWindow::Private::openedWindowFor(int identifier)
 {
 //! @todo (threads)  QMutexLocker dialogsLocker( &dialogsMutex );
     return windows.contains(identifier) ? (KexiWindow*)windows.value(identifier) : 0;
 }
 #endif