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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 467 insertions, 0 deletions

diff --git a/src/designer/src/lib/shared/deviceprofile.cpp b/src/designer/src/lib/shared/deviceprofile.cpp
new file mode 100644
index 000000000..3228cab5f
--- /dev/null
+++ b/src/designer/src/lib/shared/deviceprofile.cpp
@@ -0,0 +1,467 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "deviceprofile_p.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <widgetfactory_p.h>
+#include <qdesigner_utils_p.h>
+
+#include <QtGui/QApplication>
+#include <QtGui/QFont>
+#include <QtGui/QDesktopWidget>
+#include <QtGui/QStyle>
+#include <QtGui/QStyleFactory>
+#include <QtGui/QApplication>
+
+#include <QtCore/QSharedData>
+#include <QtCore/QTextStream>
+
+#include <QtCore/QXmlStreamWriter>
+#include <QtCore/QXmlStreamReader>
+
+
+static const char *dpiXPropertyC = "_q_customDpiX";
+static const char *dpiYPropertyC = "_q_customDpiY";
+
+// XML serialization
+static const char *xmlVersionC="1.0";
+static const char *rootElementC="deviceprofile";
+static const char *nameElementC = "name";
+static const char *fontFamilyElementC = "fontfamily";
+static const char *fontPointSizeElementC = "fontpointsize";
+static const char *dPIXElementC = "dpix";
+static const char *dPIYElementC = "dpiy";
+static const char *styleElementC = "style";
+
+/* DeviceProfile:
+ * For preview purposes (preview, widget box, new form dialog), the
+ * QDesignerFormBuilder applies the settings to the form main container
+ * (Point being here that the DPI must be set directly for size calculations
+ * to be correct).
+ * For editing purposes, FormWindow applies the settings to the form container
+ * as not to interfere with the font settings of the form main container.
+ * In addition, the widgetfactory maintains the system settings style
+ * and applies it when creating widgets. */
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+// ---------------- DeviceProfileData
+class DeviceProfileData : public QSharedData {
+public:
+    DeviceProfileData();
+    void fromSystem();
+    void clear();
+
+    QString m_fontFamily;
+    int m_fontPointSize;
+    QString m_style;
+    int m_dpiX;
+    int m_dpiY;
+    QString m_name;
+};
+
+DeviceProfileData::DeviceProfileData()  :
+   m_fontPointSize(-1),
+   m_dpiX(-1),
+   m_dpiY(-1)
+{
+}
+
+void DeviceProfileData::clear()
+{
+    m_fontPointSize = -1;
+    m_dpiX = 0;
+    m_dpiY = 0;
+    m_name.clear();
+    m_style.clear();
+}
+
+void DeviceProfileData::fromSystem()
+{
+    const QFont appFont = QApplication::font();
+    m_fontFamily = appFont.family();
+    m_fontPointSize = appFont.pointSize();
+    DeviceProfile::systemResolution(&m_dpiX, &m_dpiY);
+    m_style.clear();
+}
+
+// ---------------- DeviceProfile
+DeviceProfile::DeviceProfile() :
+   m_d(new DeviceProfileData)
+{
+}
+
+DeviceProfile::DeviceProfile(const DeviceProfile &o) :
+    m_d(o.m_d)
+
+{
+}
+
+DeviceProfile& DeviceProfile::operator=(const DeviceProfile &o)
+{
+    m_d.operator=(o.m_d);
+    return *this;
+}
+
+DeviceProfile::~DeviceProfile()
+{
+}
+
+void DeviceProfile::clear()
+{
+    m_d->clear();
+}
+
+bool DeviceProfile::isEmpty() const
+{
+    return m_d->m_name.isEmpty();
+}
+
+QString DeviceProfile::fontFamily() const
+{
+     return m_d->m_fontFamily;
+}
+
+void DeviceProfile::setFontFamily(const QString &f)
+{
+     m_d->m_fontFamily = f;
+}
+
+int DeviceProfile::fontPointSize() const
+{
+     return m_d->m_fontPointSize;
+}
+
+void DeviceProfile::setFontPointSize(int p)
+{
+     m_d->m_fontPointSize = p;
+}
+
+QString DeviceProfile::style() const
+{
+    return m_d->m_style;
+}
+
+void DeviceProfile::setStyle(const QString &s)
+{
+    m_d->m_style = s;
+}
+
+int DeviceProfile::dpiX() const
+{
+     return m_d->m_dpiX;
+}
+
+void DeviceProfile::setDpiX(int d)
+{
+     m_d->m_dpiX = d;
+}
+
+int DeviceProfile::dpiY() const
+{
+     return m_d->m_dpiY;
+}
+
+void DeviceProfile::setDpiY(int d)
+{
+     m_d->m_dpiY = d;
+}
+
+void DeviceProfile::fromSystem()
+{
+    m_d->fromSystem();
+}
+
+QString DeviceProfile::name() const
+{
+    return m_d->m_name;
+}
+
+void DeviceProfile::setName(const QString &n)
+{
+    m_d->m_name = n;
+}
+
+void DeviceProfile::systemResolution(int *dpiX, int *dpiY)
+{
+    const QDesktopWidget *dw = qApp->desktop();
+    *dpiX = dw->logicalDpiX();
+    *dpiY = dw->logicalDpiY();
+}
+
+class FriendlyWidget : public QWidget {
+    friend class DeviceProfile;
+};
+
+void DeviceProfile::widgetResolution(const QWidget *w, int *dpiX, int *dpiY)
+{
+    const FriendlyWidget *fw = static_cast<const FriendlyWidget*>(w);
+    *dpiX = fw->metric(QPaintDevice::PdmDpiX);
+    *dpiY = fw->metric(QPaintDevice::PdmDpiY);
+}
+
+QString DeviceProfile::toString() const
+{
+    const DeviceProfileData &d = *m_d;
+    QString rc;
+    QTextStream(&rc) << "DeviceProfile:name=" << d.m_name << " Font=" << d.m_fontFamily << ' '
+        << d.m_fontPointSize << " Style=" << d.m_style << " DPI=" << d.m_dpiX << ',' << d.m_dpiY;
+    return rc;
+}
+
+// Apply font to widget
+static void applyFont(const QString &family, int size, DeviceProfile::ApplyMode am, QWidget *widget)
+{
+    QFont currentFont = widget->font();
+    if (currentFont.pointSize() == size && currentFont.family() == family)
+        return;
+    switch (am) {
+    case DeviceProfile::ApplyFormParent:
+        // Invisible form parent: Apply all
+        widget->setFont(QFont(family, size));
+        break;
+    case DeviceProfile::ApplyPreview: {
+        // Preview: Apply only subproperties that have not been changed by designer properties
+        bool apply = false;
+        const uint resolve = currentFont.resolve();
+        if (!(resolve & QFont::FamilyResolved)) {
+            currentFont.setFamily(family);
+            apply = true;
+        }
+        if (!(resolve & QFont::SizeResolved)) {
+            currentFont.setPointSize(size);
+            apply = true;
+        }
+        if (apply)
+            widget->setFont(currentFont);
+    }
+        break;
+    }
+}
+
+void DeviceProfile::applyDPI(int dpiX, int dpiY, QWidget *widget)
+{
+    int sysDPIX, sysDPIY; // Set dynamic variables in case values are different from system DPI
+    systemResolution(&sysDPIX, &sysDPIY);
+    if (dpiX != sysDPIX && dpiY != sysDPIY) {
+        widget->setProperty(dpiXPropertyC, QVariant(dpiX));
+        widget->setProperty(dpiYPropertyC, QVariant(dpiY));
+    }
+}
+
+void DeviceProfile::apply(const QDesignerFormEditorInterface *core, QWidget *widget, ApplyMode am) const
+{
+    if (isEmpty())
+        return;
+
+    const DeviceProfileData &d = *m_d;
+
+    if (!d.m_fontFamily.isEmpty())
+        applyFont(d.m_fontFamily, d.m_fontPointSize, am, widget);
+
+    applyDPI(d.m_dpiX, d.m_dpiY, widget);
+
+    if (!d.m_style.isEmpty()) {
+        if (WidgetFactory *wf = qobject_cast<qdesigner_internal::WidgetFactory *>(core->widgetFactory()))
+            wf->applyStyleTopLevel(d.m_style, widget);
+    }
+}
+
+bool DeviceProfile::equals(const DeviceProfile& rhs) const
+{
+    const DeviceProfileData &d = *m_d;
+    const DeviceProfileData &rhs_d = *rhs.m_d;
+    return d.m_fontPointSize == rhs_d.m_fontPointSize &&
+           d.m_dpiX == rhs_d.m_dpiX && d.m_dpiY == rhs_d.m_dpiY && d.m_fontFamily == rhs_d.m_fontFamily &&
+           d.m_style == rhs_d.m_style && d.m_name == rhs_d.m_name;
+}
+
+static inline void writeElement(QXmlStreamWriter &writer, const QString &element, const QString &cdata)
+{
+    writer.writeStartElement(element);
+    writer.writeCharacters(cdata);
+    writer.writeEndElement();
+}
+
+QString DeviceProfile::toXml() const
+{
+    const DeviceProfileData &d = *m_d;
+    QString rc;
+    QXmlStreamWriter writer(&rc);
+    writer.writeStartDocument(QLatin1String(xmlVersionC));
+    writer.writeStartElement(QLatin1String(rootElementC));
+    writeElement(writer, QLatin1String(nameElementC), d.m_name);
+
+    if (!d.m_fontFamily.isEmpty())
+        writeElement(writer, QLatin1String(fontFamilyElementC), d.m_fontFamily);
+    if (d.m_fontPointSize >= 0)
+        writeElement(writer, QLatin1String(fontPointSizeElementC), QString::number(d.m_fontPointSize));
+    if (d.m_dpiX > 0)
+        writeElement(writer, QLatin1String(dPIXElementC), QString::number(d.m_dpiX));
+    if (d.m_dpiY > 0)
+        writeElement(writer, QLatin1String(dPIYElementC), QString::number(d.m_dpiY));
+    if (!d.m_style.isEmpty())
+        writeElement(writer, QLatin1String(styleElementC), d.m_style);
+
+    writer.writeEndElement();
+    writer.writeEndDocument();
+    return rc;
+}
+
+/* Switch stages when encountering a start element (state table) */
+enum ParseStage { ParseBeginning, ParseWithinRoot,
+                  ParseName, ParseFontFamily, ParseFontPointSize, ParseDPIX,  ParseDPIY,  ParseStyle,
+                  ParseError };
+
+static ParseStage nextStage(ParseStage currentStage, const QStringRef &startElement)
+{
+    switch (currentStage) {
+    case ParseBeginning:
+        if (startElement == QLatin1String(rootElementC))
+            return ParseWithinRoot;
+        break;
+    case ParseWithinRoot:
+    case ParseName:
+    case ParseFontFamily:
+    case ParseFontPointSize:
+    case ParseDPIX:
+    case ParseDPIY:
+    case ParseStyle:
+        if (startElement == QLatin1String(nameElementC))
+            return ParseName;
+        if (startElement == QLatin1String(fontFamilyElementC))
+            return ParseFontFamily;
+        if (startElement == QLatin1String(fontPointSizeElementC))
+            return ParseFontPointSize;
+        if (startElement == QLatin1String(dPIXElementC))
+            return ParseDPIX;
+        if (startElement == QLatin1String(dPIYElementC))
+            return ParseDPIY;
+        if (startElement == QLatin1String(styleElementC))
+            return ParseStyle;
+        break;
+    case ParseError:
+        break;
+    }
+    return ParseError;
+}
+
+static bool readIntegerElement(QXmlStreamReader &reader, int *v)
+{
+    const QString e = reader.readElementText();
+    bool ok;
+    *v = e.toInt(&ok);
+    //: Reading a number for an embedded device profile
+    if (!ok)
+        reader.raiseError(QApplication::translate("DeviceProfile", "'%1' is not a number.").arg(e));
+    return ok;
+}
+
+bool DeviceProfile::fromXml(const QString &xml, QString *errorMessage)
+{
+    DeviceProfileData &d = *m_d;
+    d.fromSystem();
+
+    QXmlStreamReader reader(xml);
+
+    ParseStage ps = ParseBeginning;
+    QXmlStreamReader::TokenType tt = QXmlStreamReader::NoToken;
+    int iv = 0;
+    do {
+        tt = reader.readNext();
+        if (tt == QXmlStreamReader::StartElement) {
+            ps = nextStage(ps, reader.name());
+            switch (ps) {
+            case ParseBeginning:
+            case ParseWithinRoot:
+                break;
+            case ParseError:
+                reader.raiseError(QApplication::translate("DeviceProfile", "An invalid tag <%1> was encountered.").arg(reader.name().toString()));
+                tt = QXmlStreamReader::Invalid;
+                break;
+            case ParseName:
+                d.m_name = reader.readElementText();
+                break;
+            case ParseFontFamily:
+                d.m_fontFamily = reader.readElementText();
+                break;
+            case ParseFontPointSize:
+                if (readIntegerElement(reader, &iv)) {
+                    d.m_fontPointSize = iv;
+                } else {
+                    tt = QXmlStreamReader::Invalid;
+                }
+                break;
+            case ParseDPIX:
+                if (readIntegerElement(reader, &iv)) {
+                    d.m_dpiX = iv;
+                } else {
+                    tt = QXmlStreamReader::Invalid;
+                }
+                break;
+            case ParseDPIY:
+                if (readIntegerElement(reader, &iv)) {
+                    d.m_dpiY = iv;
+                } else {
+                    tt = QXmlStreamReader::Invalid;
+                }
+                break;
+            case ParseStyle:
+                d.m_style = reader.readElementText();
+                break;
+            }
+        }
+    } while (tt != QXmlStreamReader::Invalid && tt != QXmlStreamReader::EndDocument);
+
+    if (reader.hasError()) {
+        *errorMessage = reader.errorString();
+        return false;
+    }
+
+    return true;
+}
+}
+
+QT_END_NAMESPACE
+