--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/gui/hbcssinspector_p.cpp	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,576 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#include "hbcssinspector_p.h"
+
+#ifdef CSS_INSPECTOR
+#include <hbanchor_p.h>
+#include <hbanchorarrowdrawer_p.h>
+#include <hbcolorscheme.h>
+#include <hbcssformatter_p.h>
+#include <hbevent.h>
+#include <hbinstance.h>
+#include <hblayeredstyleloader_p.h>
+#include <hbmeshlayoutdebug_p.h>
+#include <hbnamespace_p.h>
+#include <hbwidgetloadersyntax_p.h>
+#include <hbxmlloaderabstractsyntax_p.h>
+
+#include <QBrush>
+#include <QCheckBox>
+#include <QGraphicsLayout>
+#include <QGraphicsScene>
+#include <QGraphicsSceneMouseEvent>
+#include <QGridLayout>
+#include <QGroupBox>
+#include <QLabel>
+#include <QPen>
+#include <QPainter>
+#include <QPointer>
+#include <QRadioButton>
+#include <QTextEdit>
+#include <QXmlStreamWriter>
+
+
+#define NODEPTR_N(x) HbCss::StyleSelector::NodePtr n = {n.ptr = (void *)x};
+
+const QString CSS_HTML_HEADER = "<style type=\"text/css\"> \
+                                .overridden {color:#999; text-decoration:line-through;} \
+                                .selectors {background-color: #e0e0e0; margin:0;} \
+                                .selector {color:#000;} \
+                                .pseudo {font-weight:bold;} \
+                                .attr {font-style:italic;} \
+                                .property {color:#00f; font-weight:bold;} \
+                                .value {color:#f00;} \
+                                .overridden .property, .overridden .value {color:#999;} \
+                                </style>";
+const QString WIDGETML_HTML_HEADER = "<style type=\"text/css\"> \
+                                     pre {color:#999; font-family:Arial;} \
+                                     span {color:#000; font-weight:bold;} \
+                                     </style><pre>";
+const QString WIDGETML_HTML_FOOTER = "</pre>";
+
+const int ITEMNAME = 0xfffe; // Copied from hbstyle.cpp!!
+const qreal HOVER_BOX_PEN_WIDTH = 2.0;
+const QChar BIG_NUMBER_CHAR = 0x221E;
+const QString TEXT_COLOR = "qtc_default_main_pane_normal";
+const QString LINE_COLOR = "qtc_view_visited_normal";
+const int ABOVE_POPUP_ZVALUE = 5000;
+
+
+static QString cssItemText(const QGraphicsItem *item)
+{
+    QString txt;
+    if (item->isWidget()) {
+        const QGraphicsWidget *widget = static_cast<const QGraphicsWidget *>(item);
+        // Add classname
+        txt += widget->metaObject()->className();
+
+        // Add objectname
+        QString objName = widget->objectName();
+        if (objName.length() > 0) {
+            txt.append("#");
+            txt.append(objName);
+        }
+
+        // Add itemname
+        QString itemName = widget->data(ITEMNAME).toString();
+        if (itemName.length() > 0) {
+            txt.append("::");
+            txt.append(itemName);
+        }
+    }
+    return txt;
+}
+
+
+static QString convertHintToHintText(const QGraphicsItem *item, qreal hint)
+{
+    QString hintText;
+    qreal unit = HbDeviceProfile::profile(item).unitValue();
+    
+    if (unit != 0) {
+        hint = (hint / unit);
+        }
+    hintText = QString::number(hint, 'g', 2);
+    if (hintText.contains('+')) {
+        hintText = BIG_NUMBER_CHAR; 
+    } else {
+        if (hint !=0 && unit != 0) {
+            hintText += "un";
+        }
+    }
+    return hintText;
+}
+
+
+static QString cssItemHintText(const QGraphicsItem *item)
+{
+    QString sizeHint;
+    if (item->isWidget()) {
+        const QGraphicsLayout *layout = (static_cast<const QGraphicsWidget *>(item))->layout();
+        if(layout) {
+            sizeHint += "(" + convertHintToHintText( item, layout->minimumWidth() ) + "," + convertHintToHintText( item, layout->minimumHeight() ) + ")|";
+            sizeHint += "(" + convertHintToHintText( item, layout->preferredWidth() ) + "," + convertHintToHintText( item, layout->preferredHeight() ) +")|";
+            sizeHint += "(" + convertHintToHintText( item, layout->maximumWidth() ) + "," +convertHintToHintText( item, layout->maximumHeight() ) + ")";
+        }
+    }
+    return sizeHint;
+}
+
+
+static QString anchorEdgeName(HbAnchorLayout::Edge edge) 
+{
+    QString name;
+    switch (edge) {
+        // these are hardwired inside the parser
+        case Hb::TopEdge: name = QString("TOP"); break;
+        case Hb::BottomEdge: name = QString("BOTTOM"); break;
+        case Hb::LeftEdge: name = QString("LEFT"); break;
+        case Hb::RightEdge: name = QString("RIGHT"); break;
+        case Hb::CenterHEdge: name = QString("CENTERH"); break;
+        case Hb::CenterVEdge: name = QString("CENTERV"); break;
+        }
+    return name;
+}
+
+
+static QString meshItemsToHtmlInfo(HbMeshLayout *mesh, const QString itemName, const QString layoutName)
+{
+    QString html;
+    QString widgetML;
+    QXmlStreamWriter xmlWriter(&widgetML);
+    xmlWriter.setAutoFormatting(true);
+
+    HbWidgetLoaderSyntax syntax(new HbWidgetLoaderActions());
+
+    QString str = syntax.lexemValue(HbXmlLoaderAbstractSyntax::TYPE_HBWIDGET);
+    xmlWriter.writeStartElement(syntax.lexemValue(HbXmlLoaderAbstractSyntax::TYPE_HBWIDGET));
+    xmlWriter.writeAttribute(syntax.lexemValue(HbXmlLoaderAbstractSyntax::ATTR_VERSION), HbWidgetLoaderSyntax::version());
+    xmlWriter.writeAttribute(syntax.lexemValue(HbXmlLoaderAbstractSyntax::ATTR_TYPE), itemName);
+    
+    xmlWriter.writeStartElement(syntax.lexemValue(HbXmlLoaderAbstractSyntax::TYPE_LAYOUT));
+    xmlWriter.writeAttribute(syntax.lexemValue(HbXmlLoaderAbstractSyntax::ATTR_NAME), layoutName);
+    xmlWriter.writeAttribute(syntax.lexemValue(HbXmlLoaderAbstractSyntax::ATTR_TYPE), "mesh");
+
+    if (mesh) {
+        QList<HbAnchor> anchors = HbMeshLayoutDebug::getAnchors(mesh);
+        for (int i=0; i<anchors.count(); i++) {
+            HbAnchor anchor(anchors.at(i));
+    
+            xmlWriter.writeStartElement(syntax.lexemValue(HbXmlLoaderAbstractSyntax::ML_MESHITEM));
+
+            xmlWriter.writeAttribute(
+                syntax.lexemValue(HbXmlLoaderAbstractSyntax::ML_SRC_NAME), 
+                HbStyle::itemName(anchor.mStartItem->graphicsItem()));
+            xmlWriter.writeAttribute(
+                syntax.lexemValue(HbXmlLoaderAbstractSyntax::ML_SRC_EDGE), 
+                anchorEdgeName(anchor.mStartEdge));
+            xmlWriter.writeAttribute(
+                syntax.lexemValue(HbXmlLoaderAbstractSyntax::ML_DST_NAME), 
+                HbStyle::itemName(anchor.mEndItem->graphicsItem()));
+            xmlWriter.writeAttribute(
+                syntax.lexemValue(HbXmlLoaderAbstractSyntax::ML_DST_EDGE), 
+                anchorEdgeName(anchor.mEndEdge));
+
+            xmlWriter.writeEndElement(); // meshitem
+        }
+
+    }   
+    xmlWriter.writeEndElement(); // layout
+    xmlWriter.writeEndElement(); // widgetml
+
+    html = widgetML;
+    html.remove(0, html.indexOf("<")); // trim whitespace 
+    html.replace("<", "&lt;");
+    html.replace(">", "&gt;");
+    html.replace(QRegExp("\"([^\"]*)\""), "\"<span>\\1</span>\""); // Add span elements around things in quotes
+    html.replace("\"", "&quot;");
+    html.replace("\n\n", "\n");
+    html.replace("\n", "<br/>");
+
+    html.insert(0, WIDGETML_HTML_HEADER);
+    html.append(WIDGETML_HTML_FOOTER);
+
+    return html;
+}
+
+
+
+/******************************************************************************************/
+
+
+
+HbCssInfoDrawer::HbCssInfoDrawer(QGraphicsItem *parent)
+    : HbWidgetBase(parent), mShowItemText(true), mShowHintText(true), mShowBox(true)
+{
+    updateColors();
+    setVisible(false);
+}
+
+
+HbCssInfoDrawer::~HbCssInfoDrawer()
+{
+}
+
+
+void HbCssInfoDrawer::changeEvent(QEvent *event)
+{
+    if (event->type() == HbEvent::ThemeChanged)
+        updateColors();
+    HbWidgetBase::changeEvent(event);
+}
+
+
+void HbCssInfoDrawer::updateColors()
+{
+    mTextColor = HbColorScheme::color(TEXT_COLOR);
+    mBoxColor = HbColorScheme::color(LINE_COLOR);
+}
+
+
+void HbCssInfoDrawer::updateFocusItem(const QGraphicsItem *item)
+{
+    // update text and geometry
+    if (item) {
+        this->setVisible(true);
+        this->setGeometry(item->sceneBoundingRect());
+        mItemText = cssItemText(item);
+        mHintText = cssItemHintText(item);
+    } else {
+        this->setVisible(false);
+        mItemText = "";
+        mHintText = "";
+    }
+}
+
+
+void HbCssInfoDrawer::paint(QPainter *painter, 
+    const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+
+    if (mShowBox) {
+        painter->setPen(QPen(mBoxColor, HOVER_BOX_PEN_WIDTH));
+        QRectF boxRect = this->boundingRect();
+        boxRect.adjust(HOVER_BOX_PEN_WIDTH/2, HOVER_BOX_PEN_WIDTH/2,
+                            -HOVER_BOX_PEN_WIDTH/2, -HOVER_BOX_PEN_WIDTH/2);
+        painter->drawRect(boxRect);
+    }
+
+    painter->setPen(mTextColor);
+    int fontSize = painter->fontInfo().pixelSize();
+    int boxHeight = (int)(this->boundingRect().height());
+
+    if (mShowItemText && boxHeight - fontSize > 0) {
+        QPointF pos = this->boundingRect().topLeft();
+        pos += QPointF(HOVER_BOX_PEN_WIDTH, fontSize);
+        painter->drawText(pos, mItemText);
+    }
+
+    bool roomForSizeHint = (boxHeight - (2*fontSize) > 0 )
+            || (!mShowItemText && (boxHeight - fontSize) > 0);
+    if (mShowHintText && roomForSizeHint) {
+        QPointF pos = this->boundingRect().bottomLeft();
+        pos += QPointF(HOVER_BOX_PEN_WIDTH, -HOVER_BOX_PEN_WIDTH);
+        painter->drawText(pos, mHintText);
+    }
+}
+
+
+
+/******************************************************************************************/
+
+
+
+HbCssInspectorWindow *HbCssInspectorWindow::instance()
+{
+    static QPointer<HbCssInspectorWindow> window = 0;
+    if (!window) {
+        window = new HbCssInspectorWindow;
+    }
+    return window;
+}
+
+
+void HbCssInspectorWindow::refresh()
+{
+    if (this->isVisible()) {
+        removeFilters();
+        addFilters();
+    }
+}
+
+
+void HbCssInspectorWindow::removeFilters()
+{
+    foreach (HoveredWidgetFilter *filter, mInstalledFilters)
+        delete filter;
+    mInstalledFilters.clear();
+}
+
+
+void HbCssInspectorWindow::addFilters()
+{
+    foreach (HbMainWindow *window, hbInstance->allMainWindows()) {
+        HoveredWidgetFilter *filter = new HoveredWidgetFilter(window->scene());
+        window->scene()->installEventFilter(filter);
+        mInstalledFilters.append(filter);
+        connect(filter, SIGNAL(newItemHovered(const QGraphicsItem*)), SLOT(updateFocusItem(const QGraphicsItem*)));
+        connect(mNameCheck, SIGNAL(toggled(bool)), filter->mCssInfoDrawer, SLOT(setItemTextVisible(bool)));
+        connect(mSizeHintCheck, SIGNAL(toggled(bool)), filter->mCssInfoDrawer, SLOT(setHintTextVisible(bool)));
+        connect(mArrowsCheck, SIGNAL(toggled(bool)), filter->mArrowDrawer, SLOT(setDrawArrows(bool)));
+        connect(mOutlinesCheck, SIGNAL(toggled(bool)), filter->mArrowDrawer, SLOT(setDrawOutlines(bool)));
+        connect(mSpacersCheck, SIGNAL(toggled(bool)), filter->mArrowDrawer, SLOT(setDrawSpacers(bool)));
+        connect(mLiveRadio, SIGNAL(toggled(bool)), filter, SLOT(setLiveMode(bool)));
+        connect(mBlockRadio, SIGNAL(toggled(bool)), filter, SLOT(setBlockingMode(bool)));
+    }    
+}
+
+
+HbCssInspectorWindow::HbCssInspectorWindow(QWidget *parent)
+    : QWidget(parent), mLayoutWidgetMLBox(0), mLayoutCssBox(0), mColorsCssBox(0)
+{
+    QGroupBox *settings = new QGroupBox(tr("Settings"), this);
+    QGridLayout *settingLayout = new QGridLayout(settings);
+    mArrowsCheck = new QCheckBox(tr("Draw arrows"), this);
+    mOutlinesCheck = new QCheckBox(tr("Draw subitem outlines"), this);
+    mSpacersCheck = new QCheckBox(tr("Draw spacers"), this);
+    mNameCheck = new QCheckBox(tr("Show object name"), this);
+    mSizeHintCheck = new QCheckBox(tr("Show size hint"), this);
+    mLiveRadio = new QRadioButton(tr("Live mode"), this);
+    mClickRadio = new QRadioButton(tr("Click locking mode"), this);
+    mBlockRadio = new QRadioButton(tr("Click locking mode (block events)"), this);
+    settingLayout->addWidget(mArrowsCheck, 0, 0);
+    settingLayout->addWidget(mOutlinesCheck, 1, 0);
+    settingLayout->addWidget(mSpacersCheck, 2, 0);
+    settingLayout->addWidget(mNameCheck, 0, 1);
+    settingLayout->addWidget(mSizeHintCheck, 1, 1);
+    settingLayout->addWidget(mLiveRadio, 0, 2);
+    settingLayout->addWidget(mClickRadio, 1, 2);
+    settingLayout->addWidget(mBlockRadio, 2, 2);
+    mArrowsCheck->setChecked(true);
+    mOutlinesCheck->setChecked(true);
+    mSpacersCheck->setChecked(true);
+    mNameCheck->setChecked(true);
+    mSizeHintCheck->setChecked(true);
+    mLiveRadio->setChecked(true);
+
+    QLabel *lblWidgetML = new QLabel(tr("WidgetML"), this);
+    mLayoutWidgetMLBox = new QTextEdit(this);
+    mLayoutWidgetMLBox->setReadOnly(true);
+
+    QLabel *lblLayout = new QLabel(tr("Layouts CSS stack (+all)"), this);
+    mLayoutCssBox = new QTextEdit(this);
+    mLayoutCssBox->setReadOnly(true);
+
+    QLabel *lblColors = new QLabel(tr("Colors CSS stack (+all)"), this);
+    mColorsCssBox = new QTextEdit(this);
+    mColorsCssBox->setReadOnly(true);
+
+    mPathLabel = new QLabel("", this);
+    mSizeHintLabel = new QLabel("", this);
+    mSizeHintLabel->setAlignment(Qt::AlignRight);
+
+    QGridLayout *layout = new QGridLayout(this);
+    layout->addWidget(settings, 0, 0, 1, 4);
+    layout->addWidget(lblWidgetML, 1, 0);
+    layout->addWidget(mLayoutWidgetMLBox, 2, 0, 1, 4);
+    layout->addWidget(lblLayout, 3, 0, 1, 2);
+    layout->addWidget(lblColors, 3, 2, 1, 2);
+    layout->addWidget(mLayoutCssBox, 4, 0, 1, 2);
+    layout->addWidget(mColorsCssBox, 4, 2, 1, 2);
+    layout->addWidget(mPathLabel, 5, 0, 1, 3);
+    layout->addWidget(mSizeHintLabel, 5, 3, 1, 1);
+    layout->setRowStretch(2, 2);
+    layout->setRowStretch(4, 3);
+
+    setLayout(layout);
+}
+
+
+HbCssInspectorWindow::~HbCssInspectorWindow()
+{
+}
+
+
+void HbCssInspectorWindow::setVisible(bool visible)
+{
+    if (visible) {
+        addFilters();
+    } else {
+        removeFilters();
+    }
+    QWidget::setVisible(visible);
+}
+
+
+void HbCssInspectorWindow::updateFocusItem(const QGraphicsItem *item)
+{
+    if (item != 0 && item->isWidget()) {
+        const QGraphicsWidget *widget = static_cast<const QGraphicsWidget *>(item);
+        NODEPTR_N(widget);
+        HbDeviceProfile profile(HbDeviceProfile::profile(widget));
+
+        HbLayeredStyleLoader *layoutStack = HbLayeredStyleLoader::getStack(HbLayeredStyleLoader::Concern_Layouts);
+        if (layoutStack) {
+            // Update layout CSS box
+            HbVector<HbCss::StyleRule> layoutRules = layoutStack->styleRulesForNode(n, profile.orientation());
+            mLayoutCssBox->setHtml(CSS_HTML_HEADER + HbCssFormatter::styleRulesToHtml(layoutRules));
+
+            // Get layoutname from CSS
+            HbVector<HbCss::Declaration> decls;
+            foreach (const HbCss::StyleRule &rule, layoutRules)
+                decls += rule.declarations;
+            HbCss::ValueExtractor extractor(decls, profile);
+            QString layoutName;
+            QString sectionName;
+            extractor.extractLayout(&layoutName, &sectionName);
+
+            // Update widgetML box
+            QString html;
+            if (widget->layout()) {
+                QString itemName = widget->metaObject()->className();
+                HbMeshLayout *mesh = dynamic_cast<HbMeshLayout *>(widget->layout());
+                html = meshItemsToHtmlInfo(mesh, itemName, layoutName);
+            }
+            mLayoutWidgetMLBox->setHtml(html);
+        }
+
+        // Update colours CSS box
+        HbLayeredStyleLoader *colorsStack = HbLayeredStyleLoader::getStack(HbLayeredStyleLoader::Concern_Colors);
+        if (colorsStack) {
+            HbVector<HbCss::StyleRule> colorRules = colorsStack->styleRulesForNode(n, profile.orientation());
+            mColorsCssBox->setHtml(CSS_HTML_HEADER + HbCssFormatter::styleRulesToHtml(colorRules));
+        }
+
+        // Update text labels
+        mSizeHintLabel->setText(cssItemHintText(item));
+        const QGraphicsItem *pathItem = item;
+        QString cssPath = cssItemText(pathItem);
+        while (pathItem->parentItem()) {
+            pathItem = pathItem->parentItem();
+            cssPath.prepend(" > ");
+            cssPath.prepend(cssItemText(pathItem));
+        }
+        mPathLabel->setText(cssPath);
+    } else {
+        mLayoutWidgetMLBox->setText("");
+        mLayoutCssBox->setText("");
+        mColorsCssBox->setText("");
+        mPathLabel->setText("");
+        mSizeHintLabel->setText("");
+    }
+}
+
+
+
+/******************************************************************************************/
+
+
+
+bool HoveredWidgetFilter::eventFilter(QObject *obj, QEvent *event)
+{
+    if ((event->type() == QEvent::GraphicsSceneMouseMove && mLiveMode)
+            || (event->type() == QEvent::GraphicsSceneMousePress && !mLiveMode)){
+        QGraphicsSceneMouseEvent *mouseEvent = static_cast<QGraphicsSceneMouseEvent *>(event);
+        QPointF eventPos = mouseEvent->scenePos();
+
+        // Skip the drawn box/texts, arrow drawers, and popup managers
+        QList<QGraphicsItem *> items = mScene->items(eventPos);
+        QGraphicsItem *item = 0;
+        foreach (QGraphicsItem *thisItem, items) {
+            QString widgetName;
+            if (thisItem->isWidget()) {
+                const QGraphicsWidget *widget = static_cast<const QGraphicsWidget *>(thisItem);
+                widgetName = widget->metaObject()->className();
+                if (thisItem != mCssInfoDrawer 
+                        && thisItem != mArrowDrawer
+                        && widgetName != "HbPopupLayoutManager"
+                        && widgetName != "HbAnchorArrowDrawer") {
+                    item = thisItem;
+                    break;
+                }
+            }
+        }
+
+        if (item) {
+            const QGraphicsWidget *widget = static_cast<const QGraphicsWidget *>(item);
+            QString itemText(widget->metaObject()->className());
+
+            // Ignore primitives
+            while (itemText == "QGraphicsWidget" 
+                    || itemText == "HbWidgetBase" 
+                    || itemText == "HbTextItem" 
+                    || itemText == "HbIconItem" 
+                    || itemText == "HbFrameItem") {
+                item = item->parentItem();
+                widget = static_cast<const QGraphicsWidget *>(item);
+                itemText = widget ? widget->metaObject()->className() : "";
+            }
+
+            if (item && item != mCurrentItem) {
+                mCurrentItem = item;
+                emit newItemHovered(item);
+            }
+        }
+
+        if (mBlockingMode) {
+            return true;
+        }
+    } else if(event->type() == QEvent::Leave && mLiveMode) {
+        emit newItemHovered(0);
+        mCurrentItem = 0;
+    }
+
+    return QObject::eventFilter(obj, event);
+}
+
+HoveredWidgetFilter::HoveredWidgetFilter(QGraphicsScene *scene)
+    : mScene(scene), mCurrentItem(0), mArrowDrawer(0), mCssInfoDrawer(0), mLiveMode(true), mBlockingMode(false)
+{
+    mCssInfoDrawer = new HbCssInfoDrawer(0);
+    mScene->addItem(mCssInfoDrawer);
+    mArrowDrawer = new HbAnchorArrowDrawer(0);
+    mScene->addItem(mArrowDrawer);
+
+    // Ensure CSS inspector items are above popups in z-order
+    mCssInfoDrawer->setZValue(HbPrivate::PopupZValueRangeEnd + ABOVE_POPUP_ZVALUE);
+    mArrowDrawer->setZValue(HbPrivate::PopupZValueRangeEnd + ABOVE_POPUP_ZVALUE);
+
+    connect(this, SIGNAL(newItemHovered(const QGraphicsItem*)), mCssInfoDrawer, SLOT(updateFocusItem(const QGraphicsItem*)));
+    connect(this, SIGNAL(newItemHovered(const QGraphicsItem*)), mArrowDrawer, SLOT(updateFocusItem(const QGraphicsItem*)));
+}
+
+HoveredWidgetFilter::~HoveredWidgetFilter()
+{
+    mScene->removeItem(mCssInfoDrawer);
+    mScene->removeItem(mArrowDrawer);
+    delete mCssInfoDrawer;
+    delete mArrowDrawer;
+}
+
+#endif