Long live Qt 4.5!

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diff --git a/tools/designer/src/lib/shared/stylesheeteditor.cpp b/tools/designer/src/lib/shared/stylesheeteditor.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 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 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::StyleSheetEditorDialog
+*/
+
+#include "stylesheeteditor_p.h"
+#include "csshighlighter_p.h"
+#include "iconselector_p.h"
+#include "qtgradientmanager.h"
+#include "qtgradientviewdialog.h"
+#include "qtgradientutils.h"
+#include "qdesigner_integration_p.h"
+#include "qdesigner_utils_p.h"
+#include "abstractsettings_p.h"
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormWindowCursorInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerPropertySheetExtension>
+#include <QtDesigner/QExtensionManager>
+
+#include <QtCore/QSignalMapper>
+#include <QtGui/QAction>
+#include <QtGui/QColorDialog>
+#include <QtGui/QDialogButtonBox>
+#include <QtGui/QFontDialog>
+#include <QtGui/QMenu>
+#include <QtGui/QPushButton>
+#include <QtGui/QTextDocument>
+#include <QtGui/QToolBar>
+#include <QtGui/QVBoxLayout>
+#include "private/qcssparser_p.h"
+
+QT_BEGIN_NAMESPACE
+
+static const char *styleSheetProperty = "styleSheet";
+static const char *StyleSheetDialogC = "StyleSheetDialog";
+static const char *Geometry = "Geometry";
+
+namespace qdesigner_internal {
+
+StyleSheetEditor::StyleSheetEditor(QWidget *parent)
+    : QTextEdit(parent)
+{
+    setTabStopWidth(fontMetrics().width(QLatin1Char(' '))*4);
+    new CssHighlighter(document());
+}
+
+// --- StyleSheetEditorDialog
+StyleSheetEditorDialog::StyleSheetEditorDialog(QDesignerFormEditorInterface *core, QWidget *parent, Mode mode):
+    QDialog(parent),
+    m_buttonBox(new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel|QDialogButtonBox::Help)),
+    m_editor(new StyleSheetEditor),
+    m_validityLabel(new QLabel(tr("Valid Style Sheet"))),
+    m_core(core),
+    m_addResourceAction(new QAction(tr("Add Resource..."), this)),
+    m_addGradientAction(new QAction(tr("Add Gradient..."), this)),
+    m_addColorAction(new QAction(tr("Add Color..."), this)),
+    m_addFontAction(new QAction(tr("Add Font..."), this))
+{
+    setWindowTitle(tr("Edit Style Sheet"));
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+    connect(m_buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+    connect(m_buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+    connect(m_buttonBox, SIGNAL(helpRequested()), this, SLOT(slotRequestHelp()));
+    m_buttonBox->button(QDialogButtonBox::Help)->setShortcut(QKeySequence::HelpContents);
+
+    connect(m_editor, SIGNAL(textChanged()), this, SLOT(validateStyleSheet()));
+
+    QToolBar *toolBar = new QToolBar;
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(toolBar, 0, 0, 1, 2);
+    layout->addWidget(m_editor, 1, 0, 1, 2);
+    layout->addWidget(m_validityLabel, 2, 0, 1, 1);
+    layout->addWidget(m_buttonBox, 2, 1, 1, 1);
+    setLayout(layout);
+
+    m_editor->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(m_editor, SIGNAL(customContextMenuRequested(const QPoint &)),
+                this, SLOT(slotContextMenuRequested(const QPoint &)));
+
+    QSignalMapper *resourceActionMapper = new QSignalMapper(this);
+    QSignalMapper *gradientActionMapper = new QSignalMapper(this);
+    QSignalMapper *colorActionMapper = new QSignalMapper(this);
+
+    resourceActionMapper->setMapping(m_addResourceAction, QString());
+    gradientActionMapper->setMapping(m_addGradientAction, QString());
+    colorActionMapper->setMapping(m_addColorAction, QString());
+
+    connect(m_addResourceAction, SIGNAL(triggered()), resourceActionMapper, SLOT(map()));
+    connect(m_addGradientAction, SIGNAL(triggered()), gradientActionMapper, SLOT(map()));
+    connect(m_addColorAction, SIGNAL(triggered()), colorActionMapper, SLOT(map()));
+    connect(m_addFontAction, SIGNAL(triggered()), this, SLOT(slotAddFont()));
+
+    m_addResourceAction->setEnabled(mode == ModePerForm);
+
+    const char * const resourceProperties[] = {
+        "background-image",
+        "border-image",
+        "image",
+        0
+    };
+
+    const char * const colorProperties[] = {
+        "color",
+        "background-color",
+        "alternate-background-color",
+        "border-color",
+        "border-top-color",
+        "border-right-color",
+        "border-bottom-color",
+        "border-left-color",
+        "gridline-color",
+        "selection-color",
+        "selection-background-color",
+        0
+    };
+
+    QMenu *resourceActionMenu = new QMenu(this);
+    QMenu *gradientActionMenu = new QMenu(this);
+    QMenu *colorActionMenu = new QMenu(this);
+
+    for (int resourceProperty = 0; resourceProperties[resourceProperty]; ++resourceProperty) {
+        QAction *action = resourceActionMenu->addAction(QLatin1String(resourceProperties[resourceProperty]));
+        connect(action, SIGNAL(triggered()), resourceActionMapper, SLOT(map()));
+        resourceActionMapper->setMapping(action, QLatin1String(resourceProperties[resourceProperty]));
+    }
+
+    for (int colorProperty = 0; colorProperties[colorProperty]; ++colorProperty) {
+        QAction *gradientAction = gradientActionMenu->addAction(QLatin1String(colorProperties[colorProperty]));
+        QAction *colorAction = colorActionMenu->addAction(QLatin1String(colorProperties[colorProperty]));
+        connect(gradientAction, SIGNAL(triggered()), gradientActionMapper, SLOT(map()));
+        connect(colorAction, SIGNAL(triggered()), colorActionMapper, SLOT(map()));
+        gradientActionMapper->setMapping(gradientAction, QLatin1String(colorProperties[colorProperty]));
+        colorActionMapper->setMapping(colorAction, QLatin1String(colorProperties[colorProperty]));
+    }
+
+    connect(resourceActionMapper, SIGNAL(mapped(QString)), this, SLOT(slotAddResource(QString)));
+    connect(gradientActionMapper, SIGNAL(mapped(QString)), this, SLOT(slotAddGradient(QString)));
+    connect(colorActionMapper, SIGNAL(mapped(QString)), this, SLOT(slotAddColor(QString)));
+
+    m_addResourceAction->setMenu(resourceActionMenu);
+    m_addGradientAction->setMenu(gradientActionMenu);
+    m_addColorAction->setMenu(colorActionMenu);
+
+    toolBar->addAction(m_addResourceAction);
+    toolBar->addAction(m_addGradientAction);
+    toolBar->addAction(m_addColorAction);
+    toolBar->addAction(m_addFontAction);
+
+    m_editor->setFocus();
+
+    QDesignerSettingsInterface *settings = core->settingsManager();
+    settings->beginGroup(QLatin1String(StyleSheetDialogC));
+
+    if (settings->contains(QLatin1String(Geometry)))
+        restoreGeometry(settings->value(QLatin1String(Geometry)).toByteArray());
+
+    settings->endGroup();
+}
+
+StyleSheetEditorDialog::~StyleSheetEditorDialog()
+{
+    QDesignerSettingsInterface *settings = m_core->settingsManager();
+    settings->beginGroup(QLatin1String(StyleSheetDialogC));
+
+    settings->setValue(QLatin1String(Geometry), saveGeometry());
+    settings->endGroup();
+}
+
+void StyleSheetEditorDialog::setOkButtonEnabled(bool v)
+{
+    m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(v);
+    if (QPushButton *applyButton = m_buttonBox->button(QDialogButtonBox::Apply))
+        applyButton->setEnabled(v);
+}
+
+void StyleSheetEditorDialog::slotContextMenuRequested(const QPoint &pos)
+{
+    QMenu *menu = m_editor->createStandardContextMenu();
+    menu->addSeparator();
+    menu->addAction(m_addResourceAction);
+    menu->addAction(m_addGradientAction);
+    menu->exec(mapToGlobal(pos));
+    delete menu;
+}
+
+void StyleSheetEditorDialog::slotAddResource(const QString &property)
+{
+    const QString path = IconSelector::choosePixmapResource(m_core, m_core->resourceModel(), QString(), this);
+    if (!path.isEmpty())
+        insertCssProperty(property, QString(QLatin1String("url(%1)")).arg(path));
+}
+
+void StyleSheetEditorDialog::slotAddGradient(const QString &property)
+{
+    bool ok;
+    const QGradient grad = QtGradientViewDialog::getGradient(&ok, m_core->gradientManager(), this);
+    if (ok)
+        insertCssProperty(property, QtGradientUtils::styleSheetCode(grad));
+}
+
+void StyleSheetEditorDialog::slotAddColor(const QString &property)
+{
+    bool ok;
+    QRgb rgba = QColorDialog::getRgba(0xffffffff, &ok, this);
+    if (!ok)
+        return;
+
+    QColor color;
+    color.setRgba(rgba);
+    QString colorStr;
+
+    if (color.alpha() == 255) {
+        colorStr = QString(QLatin1String("rgb(%1, %2, %3)")).arg(
+                color.red()).arg(color.green()).arg(color.blue());
+    } else {
+        colorStr = QString(QLatin1String("rgba(%1, %2, %3, %4)")).arg(
+                color.red()).arg(color.green()).arg(color.blue()).arg(color.alpha());
+    }
+
+    insertCssProperty(property, colorStr);
+}
+
+void StyleSheetEditorDialog::slotAddFont()
+{
+    bool ok;
+    QFont font = QFontDialog::getFont(&ok, this);
+    if (ok) {
+        QString fontStr;
+        if (font.weight() != QFont::Normal) {
+            fontStr += QString::number(font.weight());
+            fontStr += QLatin1Char(' ');
+        }
+
+        switch (font.style()) {
+        case QFont::StyleItalic:
+            fontStr += QLatin1String("italic ");
+            break;
+        case QFont::StyleOblique:
+            fontStr += QLatin1String("oblique ");
+            break;
+        default:
+            break;
+        }
+        fontStr += QString::number(font.pointSize());
+        fontStr += QLatin1String("pt \"");
+        fontStr += font.family();
+        fontStr += QLatin1Char('"');
+
+        insertCssProperty(QLatin1String("font"), fontStr);
+        QString decoration;
+        if (font.underline())
+            decoration += QLatin1String("underline");
+        if (font.strikeOut()) {
+            if (!decoration.isEmpty())
+                decoration += QLatin1Char(' ');
+            decoration += QLatin1String("line-through");
+        }
+        insertCssProperty(QLatin1String("text-decoration"), decoration);
+    }
+}
+
+void StyleSheetEditorDialog::insertCssProperty(const QString &name, const QString &value)
+{
+    if (!value.isEmpty()) {
+        QTextCursor cursor = m_editor->textCursor();
+        if (!name.isEmpty()) {
+            cursor.beginEditBlock();
+            cursor.removeSelectedText();
+            cursor.movePosition(QTextCursor::EndOfLine);
+
+            // Simple check to see if we're in a selector scope
+            const QTextDocument *doc = m_editor->document();
+            const QTextCursor closing = doc->find(QLatin1String("}"), cursor, QTextDocument::FindBackward);
+            const QTextCursor opening = doc->find(QLatin1String("{"), cursor, QTextDocument::FindBackward);
+            const bool inSelector = !opening.isNull() && (closing.isNull() ||
+                                                          closing.position() < opening.position());
+            QString insertion;
+            if (m_editor->textCursor().block().length() != 1)
+                insertion += QLatin1Char('\n');
+            if (inSelector)
+                insertion += QLatin1Char('\t');
+            insertion += name;
+            insertion += QLatin1String(": ");
+            insertion += value;
+            insertion += QLatin1Char(';');
+            cursor.insertText(insertion);
+            cursor.endEditBlock();
+        } else {
+            cursor.insertText(value);
+        }
+    }
+}
+
+void StyleSheetEditorDialog::slotRequestHelp()
+{
+    QDesignerIntegration::requestHelp(m_core, QLatin1String("qt"),
+                                      QLatin1String("stylesheet-reference.html"));
+}
+
+QDialogButtonBox * StyleSheetEditorDialog::buttonBox() const
+{
+   return m_buttonBox;
+}
+
+QString StyleSheetEditorDialog::text() const
+{
+    return m_editor->toPlainText();
+}
+
+void StyleSheetEditorDialog::setText(const QString &t)
+{
+    m_editor->setText(t);
+}
+
+bool StyleSheetEditorDialog::isStyleSheetValid(const QString &styleSheet)
+{
+    QCss::Parser parser(styleSheet);
+    QCss::StyleSheet sheet;
+    if (parser.parse(&sheet))
+        return true;
+    QString fullSheet = QLatin1String("* { ");
+    fullSheet += styleSheet;
+    fullSheet += QLatin1Char('}');
+    QCss::Parser parser2(fullSheet);
+    return parser2.parse(&sheet);
+}
+
+void StyleSheetEditorDialog::validateStyleSheet()
+{
+    const bool valid = isStyleSheetValid(m_editor->toPlainText());
+    setOkButtonEnabled(valid);
+    if (valid) {
+        m_validityLabel->setText(tr("Valid Style Sheet"));
+        m_validityLabel->setStyleSheet(QLatin1String("color: green"));
+    } else {
+        m_validityLabel->setText(tr("Invalid Style Sheet"));
+        m_validityLabel->setStyleSheet(QLatin1String("color: red"));
+    }
+}
+
+// --- StyleSheetPropertyEditorDialog
+StyleSheetPropertyEditorDialog::StyleSheetPropertyEditorDialog(QWidget *parent,
+                                               QDesignerFormWindowInterface *fw,
+                                               QWidget *widget):
+    StyleSheetEditorDialog(fw->core(), parent),
+    m_fw(fw),
+    m_widget(widget)
+{
+    Q_ASSERT(m_fw != 0);
+
+    QPushButton *apply = buttonBox()->addButton(QDialogButtonBox::Apply);
+    QObject::connect(apply, SIGNAL(clicked()), this, SLOT(applyStyleSheet()));
+    QObject::connect(buttonBox(), SIGNAL(accepted()), this, SLOT(applyStyleSheet()));
+
+    QDesignerPropertySheetExtension *sheet =
+            qt_extension<QDesignerPropertySheetExtension*>(m_fw->core()->extensionManager(), m_widget);
+    Q_ASSERT(sheet != 0);
+    const int index = sheet->indexOf(QLatin1String(styleSheetProperty));
+    const PropertySheetStringValue value = qVariantValue<PropertySheetStringValue>(sheet->property(index));
+    setText(value.value());
+}
+
+void StyleSheetPropertyEditorDialog::applyStyleSheet()
+{
+    const PropertySheetStringValue value(text(), false);
+    m_fw->cursor()->setWidgetProperty(m_widget, QLatin1String(styleSheetProperty), qVariantFromValue(value));
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE