Long live Qt 4.5!

1 files changed, 587 insertions, 0 deletions

diff --git a/src/tools/uic3/domtool.cpp b/src/tools/uic3/domtool.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "domtool.h"
+
+#include <QSizePolicy>
+#include <QColor>
+#include <QCursor>
+#include <QDateTime>
+#include <QRect>
+#include <QSize>
+#include <QFont>
+#include <QDomElement>
+#include <QByteArray>
+#include <QtDebug>
+
+QT_BEGIN_NAMESPACE
+
+/*
+  \class DomTool
+  \brief The DomTool class provides static functions for Qt Designer
+  and uic.
+
+  A collection of static functions used by Resource (part of the
+  designer) and Uic.
+
+*/
+
+/*
+  Returns the contents of property \a name of object \a e as
+  a variant or the variant passed as \a defValue if the property does
+  not exist. The \a comment is passed on to the elementToVariant()
+  function.
+
+  \sa hasProperty()
+*/
+QVariant DomTool::readProperty(const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment)
+{
+    QDomElement n;
+    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
+        if (n.tagName() == QLatin1String("property")) {
+            if (n.attribute(QLatin1String("name")) != name)
+                continue;
+            return elementToVariant(n.firstChild().toElement(), defValue, comment);
+        }
+    }
+    return defValue;
+}
+
+
+/*
+  \overload
+ */
+QVariant DomTool::readProperty(const QDomElement& e, const QString& name, const QVariant& defValue)
+{
+    QString comment;
+    return readProperty(e, name, defValue, comment);
+}
+
+/*
+  Returns whether object \a e defines property \a name or not.
+
+  \sa readProperty()
+ */
+bool DomTool::hasProperty(const QDomElement& e, const QString& name)
+{
+    QDomElement n;
+    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
+        if (n.tagName() == QLatin1String("property")) {
+            if (n.attribute(QLatin1String("name")) != name)
+                continue;
+            return true;
+        }
+    }
+    return false;
+}
+
+/*
+    Returns a list of the names of the properties of the given \a type
+    found in the element \a e.
+*/
+QStringList DomTool::propertiesOfType(const QDomElement& e, const QString& type)
+{
+    QStringList result;
+    QDomElement n;
+    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
+        if (n.tagName() == QLatin1String("property")) {
+            QDomElement n2 = n.firstChild().toElement();
+            if (n2.tagName() == type)
+                result += n.attribute(QLatin1String("name"));
+        }
+    }
+    return result;
+}
+
+
+/*
+    \overload
+*/
+QVariant DomTool::elementToVariant(const QDomElement& e, const QVariant& defValue)
+{
+    QString dummy;
+    return elementToVariant(e, defValue, dummy);
+}
+
+/*
+  Interprets element \a e as a variant and returns the result of the
+  interpretation, extracting the data as a text element is the \a
+  comment matches the tag name. If the interpretation fails the \a
+  defValue is returned instead.
+ */
+QVariant DomTool::elementToVariant(const QDomElement& e, const QVariant& defValue, QString &comment)
+{
+    Q_UNUSED(defValue);
+
+    QVariant v;
+    Variant var;
+
+    if (e.tagName() == QLatin1String("rect")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int x = 0, y = 0, w = 0, h = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("x"))
+                x = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("y"))
+                y = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("width"))
+                w = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("height"))
+                h = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        var.createRect(x, y, w, h);
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("point")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int x = 0, y = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("x"))
+                x = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("y"))
+                y = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        var.createPoint(x,y);
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("size")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int w = 0, h = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("width"))
+                w = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("height"))
+                h = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        var.createSize(w, h);
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("color")) {
+        var.color = readColor(e);
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("font")) {
+        QDomElement n3 = e.firstChild().toElement();
+        Font f;
+        f.init();
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("family"))
+                f.family = qstrdup(n3.firstChild().toText().data().toLatin1());
+            else if (n3.tagName() == QLatin1String("pointsize"))
+                f.pointsize = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("bold"))
+                f.bold = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("italic"))
+                f.italic = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("underline"))
+                f.underline = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("strikeout"))
+                f.strikeout = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        var.font = f;
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("string")) {
+        v = QVariant(e.firstChild().toText().data());
+        QDomElement n = e;
+        n = n.nextSibling().toElement();
+        if (n.tagName() == QLatin1String("comment"))
+            comment = n.firstChild().toText().data();
+    } else if (e.tagName() == QLatin1String("cstring")) {
+        v = QVariant(e.firstChild().toText().data().toAscii());
+    } else if (e.tagName() == QLatin1String("number")) {
+        bool ok = true;
+        v = QVariant(e.firstChild().toText().data().toInt(&ok));
+        if (!ok)
+            v = QVariant(e.firstChild().toText().data().toDouble());
+    } else if (e.tagName() == QLatin1String("bool")) {
+        QString t = e.firstChild().toText().data();
+        v = QVariant(t == QLatin1String("true") || t == QLatin1String("1"));
+    } else if (e.tagName() == QLatin1String("pixmap")) {
+        v = QVariant(e.firstChild().toText().data());
+    } else if (e.tagName() == QLatin1String("iconset")) {
+        v = QVariant(e.firstChild().toText().data());
+    } else if (e.tagName() == QLatin1String("image")) {
+        v = QVariant(e.firstChild().toText().data());
+    } else if (e.tagName() == QLatin1String("enum")) {
+        v = QVariant(e.firstChild().toText().data());
+    } else if (e.tagName() == QLatin1String("set")) {
+        v = QVariant(e.firstChild().toText().data());
+    } else if (e.tagName() == QLatin1String("sizepolicy")) {
+        QDomElement n3 = e.firstChild().toElement();
+        var.createSizePolicy();
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("hsizetype"))
+                var.sizePolicy.hsizetype = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("vsizetype"))
+                var.sizePolicy.vsizetype = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("horstretch"))
+                var.sizePolicy.horstretch = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("verstretch"))
+                var.sizePolicy.verstretch = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("cursor")) {
+        var.createCursor(e.firstChild().toText().data().toInt());
+        qVariantSetValue(v, var);
+    } else if (e.tagName() == QLatin1String("stringlist")) {
+        QStringList lst;
+        QDomElement n;
+        for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement())
+            lst << n.firstChild().toText().data();
+        v = QVariant(lst);
+    } else if (e.tagName() == QLatin1String("date")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int y, m, d;
+        y = m = d = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("year"))
+                y = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("month"))
+                m = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("day"))
+                d = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        v = QVariant(QDate(y, m, d));
+    } else if (e.tagName() == QLatin1String("time")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int h, m, s;
+        h = m = s = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("hour"))
+                h = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("minute"))
+                m = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("second"))
+                s = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        v = QVariant(QTime(h, m, s));
+    } else if (e.tagName() == QLatin1String("datetime")) {
+        QDomElement n3 = e.firstChild().toElement();
+        int h, mi, s, y, mo, d ;
+        h = mi = s = y = mo = d = 0;
+        while (!n3.isNull()) {
+            if (n3.tagName() == QLatin1String("hour"))
+                h = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("minute"))
+                mi = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("second"))
+                s = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("year"))
+                y = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("month"))
+                mo = n3.firstChild().toText().data().toInt();
+            else if (n3.tagName() == QLatin1String("day"))
+                d = n3.firstChild().toText().data().toInt();
+            n3 = n3.nextSibling().toElement();
+        }
+        v = QVariant(QDateTime(QDate(y, mo, d), QTime(h, mi, s)));
+    }
+
+    return v;
+}
+
+
+/*  Returns the color which is returned in the dom element \a e.
+ */
+
+Color DomTool::readColor(const QDomElement &e)
+{
+    QDomElement n = e.firstChild().toElement();
+    int r= 0, g = 0, b = 0;
+    while (!n.isNull()) {
+        if (n.tagName() == QLatin1String("red"))
+            r = n.firstChild().toText().data().toInt();
+        else if (n.tagName() == QLatin1String("green"))
+            g = n.firstChild().toText().data().toInt();
+        else if (n.tagName() == QLatin1String("blue"))
+            b = n.firstChild().toText().data().toInt();
+        n = n.nextSibling().toElement();
+    }
+
+    Color c;
+    c.init(r, g, b);
+    return c;
+}
+
+/*
+  Returns the contents of attribute \a name of object \a e as
+  a variant or the variant passed as \a defValue if the attribute does
+  not exist. The \a comment is passed to the elementToVariant()
+  function.
+
+  \sa hasAttribute()
+ */
+QVariant DomTool::readAttribute(const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment)
+{
+    QDomElement n;
+    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
+        if (n.tagName() == QLatin1String("attribute")) {
+            if (n.attribute(QLatin1String("name")) != name)
+                continue;
+            return elementToVariant(n.firstChild().toElement(), defValue, comment);
+        }
+    }
+    return defValue;
+}
+
+/*
+  \overload
+*/
+QVariant DomTool::readAttribute(const QDomElement& e, const QString& name, const QVariant& defValue)
+{
+    QString comment;
+    return readAttribute(e, name, defValue, comment);
+}
+
+/*
+  Returns whether object \a e defines attribute \a name or not.
+
+  \sa readAttribute()
+ */
+bool DomTool::hasAttribute(const QDomElement& e, const QString& name)
+{
+    QDomElement n;
+    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
+        if (n.tagName() == QLatin1String("attribute")) {
+            if (n.attribute(QLatin1String("name")) != name)
+                continue;
+            return true;
+        }
+    }
+    return false;
+}
+
+static bool toBool(const QString& s)
+{
+    return s == QLatin1String("true") || s.toInt() != 0;
+}
+
+static double versionToDouble(QString version)
+{
+    version = version.trimmed();
+
+    if (version.isEmpty())
+        return 0.0;
+
+    bool decpt = false;
+    QString num_str;
+    for (int i = 0; i < version.size(); ++i) {
+        char c = version.at(i).toAscii();
+        if ((c < '0' || c > '9') && c != '.')
+            break;
+        if (c == '.') {
+            if (decpt)
+                break;
+            decpt = true;
+        }
+        num_str.append(QLatin1Char(c));
+    }
+
+    return num_str.toDouble();
+}
+
+/*
+    \internal
+
+    Convert Qt 2.x format to Qt 3.x format if necessary.
+*/
+void DomTool::fixDocument(QDomDocument& doc)
+{
+    QDomElement e;
+    QDomNode n;
+    QDomNodeList nl;
+    int i = 0;
+
+    e = doc.firstChild().toElement();
+    if (e.tagName() != QLatin1String("UI"))
+        return;
+
+    // rename classes and properties
+    double version = versionToDouble(e.attribute(QLatin1String("version")));
+
+    nl = e.childNodes();
+    fixAttributes(nl, version);
+
+    // 3.x don't do anything more
+    if (version >= 3.0)
+        return;
+
+    // in versions smaller than 3.0 we need to change more
+
+    e.setAttribute(QLatin1String("version"), 3.0);
+    e.setAttribute(QLatin1String("stdsetdef"), 1);
+    nl = e.elementsByTagName(QLatin1String("property"));
+    for (i = 0; i <  (int) nl.length(); i++) {
+        e = nl.item(i).toElement();
+        QString name;
+        QDomElement n2 = e.firstChild().toElement();
+        if (n2.tagName() == QLatin1String("name")) {
+            name = n2.firstChild().toText().data();
+            if (name == QLatin1String("resizeable"))
+                e.setAttribute(QLatin1String("name"), QLatin1String("resizable"));
+            else
+                e.setAttribute(QLatin1String("name"), name);
+            e.removeChild(n2);
+        }
+        bool stdset = toBool(e.attribute(QLatin1String("stdset")));
+        if (stdset || name == QLatin1String("toolTip") || name == QLatin1String("whatsThis") ||
+             name == QLatin1String("buddy") ||
+             e.parentNode().toElement().tagName() == QLatin1String("item") ||
+             e.parentNode().toElement().tagName() == QLatin1String("spacer") ||
+             e.parentNode().toElement().tagName() == QLatin1String("column")
+            )
+            e.removeAttribute(QLatin1String("stdset"));
+        else
+            e.setAttribute(QLatin1String("stdset"), 0);
+    }
+
+    nl = doc.elementsByTagName(QLatin1String("attribute"));
+    for (i = 0; i <  (int) nl.length(); i++) {
+        e = nl.item(i).toElement();
+        QString name;
+        QDomElement n2 = e.firstChild().toElement();
+        if (n2.tagName() == QLatin1String("name")) {
+            name = n2.firstChild().toText().data();
+            e.setAttribute(QLatin1String("name"), name);
+            e.removeChild(n2);
+        }
+    }
+
+    nl = doc.elementsByTagName(QLatin1String("image"));
+    for (i = 0; i <  (int) nl.length(); i++) {
+        e = nl.item(i).toElement();
+        QString name;
+        QDomElement n2 = e.firstChild().toElement();
+        if (n2.tagName() == QLatin1String("name")) {
+            name = n2.firstChild().toText().data();
+            e.setAttribute(QLatin1String("name"), name);
+            e.removeChild(n2);
+        }
+    }
+
+    nl = doc.elementsByTagName(QLatin1String("widget"));
+    for (i = 0; i <  (int) nl.length(); i++) {
+        e = nl.item(i).toElement();
+        QString name;
+        QDomElement n2 = e.firstChild().toElement();
+        if (n2.tagName() == QLatin1String("class")) {
+            name = n2.firstChild().toText().data();
+            e.setAttribute(QLatin1String("class"), name);
+            e.removeChild(n2);
+        }
+    }
+
+}
+
+struct widgetName {
+    widgetName(double v, QString b, QString a)
+        : version(v), before(b), after(a) {}
+    double version;
+    QString before;
+    QString after;
+};
+
+struct propertyName : public widgetName {
+    propertyName(double v, QString b, QString a, QString c = QString())
+        : widgetName(v, b, a), clss(c) {}
+    QString clss;
+};
+
+const int widgs = 1;
+widgetName widgetTable[1] = {
+    widgetName(3.3, QLatin1String("before"), QLatin1String("after")),
+};
+
+const int props = 1;
+propertyName propertyTable[1] = {
+    propertyName(3.0, QLatin1String("resizeable"), QLatin1String("resizable")), // we need to fix a spelling error in 3.0
+};
+
+/*
+    \internal
+*/
+void DomTool::fixAttributes(QDomNodeList &nodes, double version)
+{
+    QDomNode n;
+    QDomNodeList nl;
+    for (int i = 0; i < (int) nodes.count(); ++i) {
+        n = nodes.item(i);
+        fixAttribute(n, version);
+        nl = n.childNodes();
+        fixAttributes(nl, version);
+    }
+}
+
+/*
+    \internal
+*/
+void DomTool::fixAttribute(QDomNode &node, double version)
+{
+    QString tagName =  node.toElement().tagName();
+    if (tagName == QLatin1String("widget")) {
+        QString clss = node.toElement().attribute(QLatin1String("class"));
+        for (int i = 0; i < widgs; ++i)
+            if ((version < widgetTable[i].version)
+                 && (clss == widgetTable[i].before)) {
+                node.toElement().setAttribute(QLatin1String("class"), propertyTable[i].after);
+                return;
+            }
+        return;
+    }
+    if (tagName == QLatin1String("property")) {
+        QDomElement e = node.parentNode().toElement();
+        QString clss = e.attribute(QLatin1String("class"));
+        QString name = node.toElement().attribute(QLatin1String("name"), QLatin1String(""));
+        for (int i = 0; i < props; ++i)
+            if ((version < propertyTable[i].version)
+                 && (clss == propertyTable[i].clss)
+                 && (propertyTable[i].before.isNull()
+                      || name == propertyTable[i].before)) {
+                node.toElement().setAttribute(QLatin1String("name"), propertyTable[i].after);
+                return;
+            }
+    }
+}
+
+QT_END_NAMESPACE