Long live Qt for S60!

1 files changed, 958 insertions, 0 deletions

diff --git a/tools/shared/qtgradienteditor/qtgradienteditor.cpp b/tools/shared/qtgradienteditor/qtgradienteditor.cpp
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+++ b/tools/shared/qtgradienteditor/qtgradienteditor.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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::QtGradientEditor
+*/
+
+#include "qtgradienteditor.h"
+#include "qtgradientstopscontroller.h"
+#include "ui_qtgradienteditor.h"
+
+QT_BEGIN_NAMESPACE
+
+class QtGradientEditorPrivate
+{
+    QtGradientEditor *q_ptr;
+    Q_DECLARE_PUBLIC(QtGradientEditor)
+public:
+    QtGradientEditorPrivate() : m_gradient(QLinearGradient()) {}
+
+    void slotGradientStopsChanged(const QGradientStops &stops);
+    void slotTypeChanged(int type);
+    void slotSpreadChanged(int spread);
+    void slotStartLinearXChanged(double value);
+    void slotStartLinearYChanged(double value);
+    void slotEndLinearXChanged(double value);
+    void slotEndLinearYChanged(double value);
+    void slotCentralRadialXChanged(double value);
+    void slotCentralRadialYChanged(double value);
+    void slotFocalRadialXChanged(double value);
+    void slotFocalRadialYChanged(double value);
+    void slotRadiusRadialChanged(double value);
+    void slotCentralConicalXChanged(double value);
+    void slotCentralConicalYChanged(double value);
+    void slotAngleConicalChanged(double value);
+
+    void slotDetailsChanged(bool details);
+
+    void startLinearChanged(const QPointF &point);
+    void endLinearChanged(const QPointF &point);
+    void centralRadialChanged(const QPointF &point);
+    void focalRadialChanged(const QPointF &point);
+    void radiusRadialChanged(qreal radius);
+    void centralConicalChanged(const QPointF &point);
+    void angleConicalChanged(qreal angle);
+
+    void setStartLinear(const QPointF &point);
+    void setEndLinear(const QPointF &point);
+    void setCentralRadial(const QPointF &point);
+    void setFocalRadial(const QPointF &point);
+    void setRadiusRadial(qreal radius);
+    void setCentralConical(const QPointF &point);
+    void setAngleConical(qreal angle);
+
+    void setType(QGradient::Type type);
+    void showDetails(bool details);
+
+    void setSpinBox(QDoubleSpinBox *spinBox, const char *slot, double max = 1.0, double step = 0.01, int decimals = 3);
+    void reset();
+    void setLayout(bool details);
+    void layoutDetails(bool details);
+    bool row4Visible() const;
+    bool row5Visible() const;
+    int extensionWidthHint() const;
+
+    void setCombos(bool combos);
+
+    QGradient gradient() const;
+    void updateGradient(bool emitSignal);
+
+    Ui::QtGradientEditor m_ui;
+    QtGradientStopsController *m_gradientStopsController;
+
+    QDoubleSpinBox *startLinearXSpinBox;
+    QDoubleSpinBox *startLinearYSpinBox;
+    QDoubleSpinBox *endLinearXSpinBox;
+    QDoubleSpinBox *endLinearYSpinBox;
+    QDoubleSpinBox *centralRadialXSpinBox;
+    QDoubleSpinBox *centralRadialYSpinBox;
+    QDoubleSpinBox *focalRadialXSpinBox;
+    QDoubleSpinBox *focalRadialYSpinBox;
+    QDoubleSpinBox *radiusRadialSpinBox;
+    QDoubleSpinBox *centralConicalXSpinBox;
+    QDoubleSpinBox *centralConicalYSpinBox;
+    QDoubleSpinBox *angleConicalSpinBox;
+
+    QButtonGroup *m_typeGroup;
+    QButtonGroup *m_spreadGroup;
+
+    QGradient::Type m_type;
+
+    QGridLayout *m_gridLayout;
+    QWidget *m_hiddenWidget;
+    QGridLayout *m_hiddenLayout;
+    bool m_details;
+    bool m_detailsButtonVisible;
+    bool m_backgroundCheckered;
+
+    QGradient m_gradient;
+
+    bool m_combos;
+};
+
+QGradient QtGradientEditorPrivate::gradient() const
+{
+    QGradient *gradient = 0;
+    switch (m_ui.gradientWidget->gradientType()) {
+        case QGradient::LinearGradient:
+            gradient = new QLinearGradient(m_ui.gradientWidget->startLinear(),
+                        m_ui.gradientWidget->endLinear());
+            break;
+        case QGradient::RadialGradient:
+            gradient = new QRadialGradient(m_ui.gradientWidget->centralRadial(),
+                        m_ui.gradientWidget->radiusRadial(),
+                        m_ui.gradientWidget->focalRadial());
+            break;
+        case QGradient::ConicalGradient:
+            gradient = new QConicalGradient(m_ui.gradientWidget->centralConical(),
+                        m_ui.gradientWidget->angleConical());
+            break;
+        default:
+            break;
+    }
+    if (!gradient)
+        return QGradient();
+    gradient->setStops(m_ui.gradientWidget->gradientStops());
+    gradient->setSpread(m_ui.gradientWidget->gradientSpread());
+    gradient->setCoordinateMode(QGradient::StretchToDeviceMode);
+    QGradient gr = *gradient;
+    delete gradient;
+    return gr;
+}
+
+void QtGradientEditorPrivate::updateGradient(bool emitSignal)
+{
+    QGradient grad = gradient();
+    if (m_gradient == grad)
+        return;
+
+    m_gradient = grad;
+    if (emitSignal)
+        emit q_ptr->gradientChanged(m_gradient);
+}
+
+void QtGradientEditorPrivate::setCombos(bool combos)
+{
+    if (m_combos == combos)
+        return;
+
+    m_combos = combos;
+    m_ui.linearButton->setVisible(!m_combos);
+    m_ui.radialButton->setVisible(!m_combos);
+    m_ui.conicalButton->setVisible(!m_combos);
+    m_ui.padButton->setVisible(!m_combos);
+    m_ui.repeatButton->setVisible(!m_combos);
+    m_ui.reflectButton->setVisible(!m_combos);
+    m_ui.typeComboBox->setVisible(m_combos);
+    m_ui.spreadComboBox->setVisible(m_combos);
+}
+
+void QtGradientEditorPrivate::setLayout(bool details)
+{
+    QHBoxLayout *hboxLayout = new QHBoxLayout();
+    hboxLayout->setObjectName(QString::fromUtf8("hboxLayout"));
+    hboxLayout->addWidget(m_ui.typeComboBox);
+    hboxLayout->addWidget(m_ui.spreadComboBox);
+    QHBoxLayout *typeLayout = new QHBoxLayout();
+    typeLayout->setSpacing(0);
+    typeLayout->addWidget(m_ui.linearButton);
+    typeLayout->addWidget(m_ui.radialButton);
+    typeLayout->addWidget(m_ui.conicalButton);
+    hboxLayout->addLayout(typeLayout);
+    QHBoxLayout *spreadLayout = new QHBoxLayout();
+    spreadLayout->setSpacing(0);
+    spreadLayout->addWidget(m_ui.padButton);
+    spreadLayout->addWidget(m_ui.repeatButton);
+    spreadLayout->addWidget(m_ui.reflectButton);
+    hboxLayout->addLayout(spreadLayout);
+    hboxLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
+    hboxLayout->addWidget(m_ui.detailsButton);
+    m_gridLayout->addLayout(hboxLayout, 0, 0, 1, 2);
+    int span = 1;
+    if (details)
+        span = 7;
+    m_gridLayout->addWidget(m_ui.frame, 1, 0, span, 2);
+    int row = 2;
+    if (details) {
+        row = 8;
+        span = 4;
+    }
+    m_gridLayout->addWidget(m_ui.gradientStopsWidget, row, 0, span, 2);
+    QHBoxLayout *hboxLayout1 = new QHBoxLayout();
+    hboxLayout1->setObjectName(QString::fromUtf8("hboxLayout1"));
+    hboxLayout1->addWidget(m_ui.colorLabel);
+    hboxLayout1->addWidget(m_ui.colorButton);
+    hboxLayout1->addWidget(m_ui.hsvRadioButton);
+    hboxLayout1->addWidget(m_ui.rgbRadioButton);
+    hboxLayout1->addItem(new QSpacerItem(16, 23, QSizePolicy::Expanding, QSizePolicy::Minimum));
+    int addRow = 0;
+    if (details)
+        addRow = 9;
+    m_gridLayout->addLayout(hboxLayout1, 3 + addRow, 0, 1, 2);
+    m_gridLayout->addWidget(m_ui.hLabel, 4 + addRow, 0, 1, 1);
+    m_gridLayout->addWidget(m_ui.frame_2, 4 + addRow, 1, 1, 1);
+    m_gridLayout->addWidget(m_ui.sLabel, 5 + addRow, 0, 1, 1);
+    m_gridLayout->addWidget(m_ui.frame_5, 5 + addRow, 1, 1, 1);
+    m_gridLayout->addWidget(m_ui.vLabel, 6 + addRow, 0, 1, 1);
+    m_gridLayout->addWidget(m_ui.frame_3, 6 + addRow, 1, 1, 1);
+    m_gridLayout->addWidget(m_ui.aLabel, 7 + addRow, 0, 1, 1);
+    m_gridLayout->addWidget(m_ui.frame_4, 7 + addRow, 1, 1, 1);
+
+    if (details) {
+        layoutDetails(details);
+    }
+}
+
+void QtGradientEditorPrivate::layoutDetails(bool details)
+{
+    QGridLayout *gridLayout = m_gridLayout;
+    int col = 2;
+    if (!details) {
+        col = 0;
+        if (!m_hiddenWidget) {
+            m_hiddenWidget = new QWidget();
+            m_hiddenLayout = new QGridLayout(m_hiddenWidget);
+            m_hiddenLayout->setContentsMargins(0, 0, 0, 0);
+            m_hiddenLayout->setSizeConstraint(QLayout::SetFixedSize);
+        }
+        gridLayout = m_hiddenLayout;
+    }
+    gridLayout->addWidget(m_ui.label1, 1, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.spinBox1, 1, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.label2, 2, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.spinBox2, 2, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.label3, 3, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.spinBox3, 3, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.label4, 4, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.spinBox4, 4, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.label5, 5, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.spinBox5, 5, col + 1, 1, 1);
+    gridLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding), 6, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.line1Widget, 7, col + 0, 1, 2);
+    gridLayout->addWidget(m_ui.zoomLabel, 8, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.zoomWidget, 8, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.zoomButtonsWidget, 9, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.zoomAllButton, 9, col + 1, 1, 1);
+    gridLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Preferred), 10, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.line2Widget, 11, col + 0, 1, 2);
+    gridLayout->addWidget(m_ui.positionLabel, 12, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.positionWidget, 12, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.hueLabel, 13, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.hueWidget, 13, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.saturationLabel, 14, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.saturationWidget, 14, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.valueLabel, 15, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.valueWidget, 15, col + 1, 1, 1);
+    gridLayout->addWidget(m_ui.alphaLabel, 16, col + 0, 1, 1);
+    gridLayout->addWidget(m_ui.alphaWidget, 16, col + 1, 1, 1);
+
+    if (details) {
+        if (m_hiddenLayout) {
+            delete m_hiddenLayout;
+            m_hiddenLayout = 0;
+        }
+        if (m_hiddenWidget) {
+            delete m_hiddenWidget;
+            m_hiddenWidget = 0;
+        }
+    }
+}
+
+int QtGradientEditorPrivate::extensionWidthHint() const
+{
+    if (m_details)
+        return q_ptr->size().width() - m_ui.gradientStopsWidget->size().width();
+
+    const int space = m_ui.spinBox1->geometry().left() - m_ui.label1->geometry().right();
+
+    return m_hiddenLayout->minimumSize().width() + space;
+}
+
+void QtGradientEditorPrivate::slotDetailsChanged(bool details)
+{
+    showDetails(details);
+}
+
+bool QtGradientEditorPrivate::row4Visible() const
+{
+    if (m_type == QGradient::ConicalGradient)
+        return false;
+    return true;
+}
+
+bool QtGradientEditorPrivate::row5Visible() const
+{
+    if (m_type == QGradient::RadialGradient)
+        return true;
+    return false;
+}
+
+void QtGradientEditorPrivate::showDetails(bool details)
+{
+    if (m_details == details)
+        return;
+
+    bool blocked = m_ui.detailsButton->signalsBlocked();
+    m_ui.detailsButton->blockSignals(true);
+    m_ui.detailsButton->setChecked(details);
+    m_ui.detailsButton->blockSignals(blocked);
+
+    bool updates = q_ptr->updatesEnabled();
+    q_ptr->setUpdatesEnabled(false);
+
+    if (m_gridLayout) {
+        m_gridLayout->setEnabled(false);
+        delete m_gridLayout;
+        m_gridLayout = 0;
+    }
+
+    if (!details) {
+        layoutDetails(details);
+    }
+
+    emit q_ptr->aboutToShowDetails(details, extensionWidthHint());
+    m_details = details;
+
+    m_gridLayout = new QGridLayout(q_ptr);
+    m_gridLayout->setEnabled(false);
+    m_gridLayout->setObjectName(QString::fromUtf8("gridLayout"));
+    m_gridLayout->setContentsMargins(0, 0, 0, 0);
+
+    m_ui.label4->setVisible(row4Visible());
+    m_ui.label5->setVisible(row5Visible());
+    m_ui.spinBox4->setVisible(row4Visible());
+    m_ui.spinBox5->setVisible(row5Visible());
+
+    setLayout(details);
+    m_gridLayout->setEnabled(true);
+
+    q_ptr->setUpdatesEnabled(updates);
+    q_ptr->update();
+}
+
+void QtGradientEditorPrivate::setSpinBox(QDoubleSpinBox *spinBox, const char *slot, double max, double step, int decimals)
+{
+    bool blocked = spinBox->signalsBlocked();
+    spinBox->blockSignals(true);
+    spinBox->setDecimals(decimals);
+    spinBox->setMaximum(max);
+    spinBox->setSingleStep(step);
+    spinBox->blockSignals(blocked);
+    QObject::connect(spinBox, SIGNAL(valueChanged(double)), q_ptr, slot);
+}
+
+void QtGradientEditorPrivate::reset()
+{
+    startLinearXSpinBox = 0;
+    startLinearYSpinBox = 0;
+    endLinearXSpinBox = 0;
+    endLinearYSpinBox = 0;
+    centralRadialXSpinBox = 0;
+    centralRadialYSpinBox = 0;
+    focalRadialXSpinBox = 0;
+    focalRadialYSpinBox = 0;
+    radiusRadialSpinBox = 0;
+    centralConicalXSpinBox = 0;
+    centralConicalYSpinBox = 0;
+    angleConicalSpinBox = 0;
+}
+
+void QtGradientEditorPrivate::setType(QGradient::Type type)
+{
+    if (m_type == type)
+        return;
+
+    m_type = type;
+    m_ui.spinBox1->disconnect(SIGNAL(valueChanged(double)));
+    m_ui.spinBox2->disconnect(SIGNAL(valueChanged(double)));
+    m_ui.spinBox3->disconnect(SIGNAL(valueChanged(double)));
+    m_ui.spinBox4->disconnect(SIGNAL(valueChanged(double)));
+    m_ui.spinBox5->disconnect(SIGNAL(valueChanged(double)));
+
+    reset();
+
+    bool ena = true;
+
+    if (m_gridLayout) {
+        ena = m_gridLayout->isEnabled();
+        m_gridLayout->setEnabled(false);
+    }
+
+    bool spreadEnabled = true;
+
+    if (type == QGradient::LinearGradient) {
+        startLinearXSpinBox = m_ui.spinBox1;
+        setSpinBox(startLinearXSpinBox, SLOT(slotStartLinearXChanged(double)));
+        m_ui.label1->setText(QApplication::translate("QtGradientEditor", "Start X", 0, QApplication::UnicodeUTF8));
+
+        startLinearYSpinBox = m_ui.spinBox2;
+        setSpinBox(startLinearYSpinBox, SLOT(slotStartLinearYChanged(double)));
+        m_ui.label2->setText(QApplication::translate("QtGradientEditor", "Start Y", 0, QApplication::UnicodeUTF8));
+
+        endLinearXSpinBox = m_ui.spinBox3;
+        setSpinBox(endLinearXSpinBox, SLOT(slotEndLinearXChanged(double)));
+        m_ui.label3->setText(QApplication::translate("QtGradientEditor", "Final X", 0, QApplication::UnicodeUTF8));
+
+        endLinearYSpinBox = m_ui.spinBox4;
+        setSpinBox(endLinearYSpinBox, SLOT(slotEndLinearYChanged(double)));
+        m_ui.label4->setText(QApplication::translate("QtGradientEditor", "Final Y", 0, QApplication::UnicodeUTF8));
+
+        setStartLinear(m_ui.gradientWidget->startLinear());
+        setEndLinear(m_ui.gradientWidget->endLinear());
+    } else if (type == QGradient::RadialGradient) {
+        centralRadialXSpinBox = m_ui.spinBox1;
+        setSpinBox(centralRadialXSpinBox, SLOT(slotCentralRadialXChanged(double)));
+        m_ui.label1->setText(QApplication::translate("QtGradientEditor", "Central X", 0, QApplication::UnicodeUTF8));
+
+        centralRadialYSpinBox = m_ui.spinBox2;
+        setSpinBox(centralRadialYSpinBox, SLOT(slotCentralRadialYChanged(double)));
+        m_ui.label2->setText(QApplication::translate("QtGradientEditor", "Central Y", 0, QApplication::UnicodeUTF8));
+
+        focalRadialXSpinBox = m_ui.spinBox3;
+        setSpinBox(focalRadialXSpinBox, SLOT(slotFocalRadialXChanged(double)));
+        m_ui.label3->setText(QApplication::translate("QtGradientEditor", "Focal X", 0, QApplication::UnicodeUTF8));
+
+        focalRadialYSpinBox = m_ui.spinBox4;
+        setSpinBox(focalRadialYSpinBox, SLOT(slotFocalRadialYChanged(double)));
+        m_ui.label4->setText(QApplication::translate("QtGradientEditor", "Focal Y", 0, QApplication::UnicodeUTF8));
+
+        radiusRadialSpinBox = m_ui.spinBox5;
+        setSpinBox(radiusRadialSpinBox, SLOT(slotRadiusRadialChanged(double)), 2.0);
+        m_ui.label5->setText(QApplication::translate("QtGradientEditor", "Radius", 0, QApplication::UnicodeUTF8));
+
+        setCentralRadial(m_ui.gradientWidget->centralRadial());
+        setFocalRadial(m_ui.gradientWidget->focalRadial());
+        setRadiusRadial(m_ui.gradientWidget->radiusRadial());
+    } else if (type == QGradient::ConicalGradient) {
+        centralConicalXSpinBox = m_ui.spinBox1;
+        setSpinBox(centralConicalXSpinBox, SLOT(slotCentralConicalXChanged(double)));
+        m_ui.label1->setText(QApplication::translate("QtGradientEditor", "Central X", 0, QApplication::UnicodeUTF8));
+
+        centralConicalYSpinBox = m_ui.spinBox2;
+        setSpinBox(centralConicalYSpinBox, SLOT(slotCentralConicalYChanged(double)));
+        m_ui.label2->setText(QApplication::translate("QtGradientEditor", "Central Y", 0, QApplication::UnicodeUTF8));
+
+        angleConicalSpinBox = m_ui.spinBox3;
+        setSpinBox(angleConicalSpinBox, SLOT(slotAngleConicalChanged(double)), 360.0, 1.0, 1);
+        m_ui.label3->setText(QApplication::translate("QtGradientEditor", "Angle", 0, QApplication::UnicodeUTF8));
+
+        setCentralConical(m_ui.gradientWidget->centralConical());
+        setAngleConical(m_ui.gradientWidget->angleConical());
+
+        spreadEnabled = false;
+    }
+    m_ui.spreadComboBox->setEnabled(spreadEnabled);
+    m_ui.padButton->setEnabled(spreadEnabled);
+    m_ui.repeatButton->setEnabled(spreadEnabled);
+    m_ui.reflectButton->setEnabled(spreadEnabled);
+
+    m_ui.label4->setVisible(row4Visible());
+    m_ui.spinBox4->setVisible(row4Visible());
+    m_ui.label5->setVisible(row5Visible());
+    m_ui.spinBox5->setVisible(row5Visible());
+
+    if (m_gridLayout) {
+        m_gridLayout->setEnabled(ena);
+    }
+}
+
+void QtGradientEditorPrivate::slotGradientStopsChanged(const QGradientStops &stops)
+{
+    m_ui.gradientWidget->setGradientStops(stops);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotTypeChanged(int idx)
+{
+    QGradient::Type type = QGradient::NoGradient;
+    if (idx == 0)
+        type = QGradient::LinearGradient;
+    else if (idx == 1)
+        type = QGradient::RadialGradient;
+    else if (idx == 2)
+        type = QGradient::ConicalGradient;
+    setType(type);
+    m_ui.typeComboBox->setCurrentIndex(idx);
+    m_typeGroup->button(idx)->setChecked(true);
+    m_ui.gradientWidget->setGradientType(type);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotSpreadChanged(int spread)
+{
+    if (spread == 0) {
+        m_ui.gradientWidget->setGradientSpread(QGradient::PadSpread);
+    } else if (spread == 1) {
+        m_ui.gradientWidget->setGradientSpread(QGradient::RepeatSpread);
+    } else if (spread == 2) {
+        m_ui.gradientWidget->setGradientSpread(QGradient::ReflectSpread);
+    }
+    m_ui.spreadComboBox->setCurrentIndex(spread);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotStartLinearXChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->startLinear();
+    point.setX(value);
+    m_ui.gradientWidget->setStartLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotStartLinearYChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->startLinear();
+    point.setY(value);
+    m_ui.gradientWidget->setStartLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotEndLinearXChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->endLinear();
+    point.setX(value);
+    m_ui.gradientWidget->setEndLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotEndLinearYChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->endLinear();
+    point.setY(value);
+    m_ui.gradientWidget->setEndLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotCentralRadialXChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->centralRadial();
+    point.setX(value);
+    m_ui.gradientWidget->setCentralRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotCentralRadialYChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->centralRadial();
+    point.setY(value);
+    m_ui.gradientWidget->setCentralRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotFocalRadialXChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->focalRadial();
+    point.setX(value);
+    m_ui.gradientWidget->setFocalRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotFocalRadialYChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->focalRadial();
+    point.setY(value);
+    m_ui.gradientWidget->setFocalRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotRadiusRadialChanged(double value)
+{
+    m_ui.gradientWidget->setRadiusRadial(value);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotCentralConicalXChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->centralConical();
+    point.setX(value);
+    m_ui.gradientWidget->setCentralConical(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotCentralConicalYChanged(double value)
+{
+    QPointF point = m_ui.gradientWidget->centralConical();
+    point.setY(value);
+    m_ui.gradientWidget->setCentralConical(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::slotAngleConicalChanged(double value)
+{
+    m_ui.gradientWidget->setAngleConical(value);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::startLinearChanged(const QPointF &point)
+{
+    setStartLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::endLinearChanged(const QPointF &point)
+{
+    setEndLinear(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::centralRadialChanged(const QPointF &point)
+{
+    setCentralRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::focalRadialChanged(const QPointF &point)
+{
+    setFocalRadial(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::radiusRadialChanged(qreal radius)
+{
+    setRadiusRadial(radius);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::centralConicalChanged(const QPointF &point)
+{
+    setCentralConical(point);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::angleConicalChanged(qreal angle)
+{
+    setAngleConical(angle);
+    updateGradient(true);
+}
+
+void QtGradientEditorPrivate::setStartLinear(const QPointF &point)
+{
+    if (startLinearXSpinBox)
+        startLinearXSpinBox->setValue(point.x());
+    if (startLinearYSpinBox)
+        startLinearYSpinBox->setValue(point.y());
+}
+
+void QtGradientEditorPrivate::setEndLinear(const QPointF &point)
+{
+    if (endLinearXSpinBox)
+        endLinearXSpinBox->setValue(point.x());
+    if (endLinearYSpinBox)
+        endLinearYSpinBox->setValue(point.y());
+}
+
+void QtGradientEditorPrivate::setCentralRadial(const QPointF &point)
+{
+    if (centralRadialXSpinBox)
+        centralRadialXSpinBox->setValue(point.x());
+    if (centralRadialYSpinBox)
+        centralRadialYSpinBox->setValue(point.y());
+}
+
+void QtGradientEditorPrivate::setFocalRadial(const QPointF &point)
+{
+    if (focalRadialXSpinBox)
+        focalRadialXSpinBox->setValue(point.x());
+    if (focalRadialYSpinBox)
+        focalRadialYSpinBox->setValue(point.y());
+}
+
+void QtGradientEditorPrivate::setRadiusRadial(qreal radius)
+{
+    if (radiusRadialSpinBox)
+        radiusRadialSpinBox->setValue(radius);
+}
+
+void QtGradientEditorPrivate::setCentralConical(const QPointF &point)
+{
+    if (centralConicalXSpinBox)
+        centralConicalXSpinBox->setValue(point.x());
+    if (centralConicalYSpinBox)
+        centralConicalYSpinBox->setValue(point.y());
+}
+
+void QtGradientEditorPrivate::setAngleConical(qreal angle)
+{
+    if (angleConicalSpinBox)
+        angleConicalSpinBox->setValue(angle);
+}
+
+QtGradientEditor::QtGradientEditor(QWidget *parent)
+    : QWidget(parent)
+{
+    d_ptr = new QtGradientEditorPrivate();
+    d_ptr->q_ptr = this;
+    d_ptr->m_type = QGradient::RadialGradient;
+    d_ptr->m_ui.setupUi(this);
+    d_ptr->m_gridLayout = 0;
+    d_ptr->m_hiddenLayout = 0;
+    d_ptr->m_hiddenWidget = 0;
+    bool detailsDefault = false;
+    d_ptr->m_details = !detailsDefault;
+    d_ptr->m_detailsButtonVisible = true;
+    bool checkeredDefault = true;
+    d_ptr->m_backgroundCheckered = !checkeredDefault;
+    d_ptr->m_gradientStopsController = new QtGradientStopsController(this);
+    d_ptr->m_gradientStopsController->setUi(&d_ptr->m_ui);
+    d_ptr->reset();
+    d_ptr->setType(QGradient::LinearGradient);
+    d_ptr->m_combos = true;
+    d_ptr->setCombos(!d_ptr->m_combos);
+
+    d_ptr->showDetails(detailsDefault);
+    setBackgroundCheckered(checkeredDefault);
+
+    d_ptr->setStartLinear(QPointF(0, 0));
+    d_ptr->setEndLinear(QPointF(1, 1));
+    d_ptr->setCentralRadial(QPointF(0.5, 0.5));
+    d_ptr->setFocalRadial(QPointF(0.5, 0.5));
+    d_ptr->setRadiusRadial(0.5);
+    d_ptr->setCentralConical(QPointF(0.5, 0.5));
+    d_ptr->setAngleConical(0);
+
+    QIcon icon;
+    icon.addPixmap(style()->standardPixmap(QStyle::SP_ArrowRight), QIcon::Normal, QIcon::Off);
+    icon.addPixmap(style()->standardPixmap(QStyle::SP_ArrowLeft), QIcon::Normal, QIcon::On);
+    d_ptr->m_ui.detailsButton->setIcon(icon);
+
+    connect(d_ptr->m_ui.detailsButton, SIGNAL(clicked(bool)), this, SLOT(slotDetailsChanged(bool)));
+    connect(d_ptr->m_gradientStopsController, SIGNAL(gradientStopsChanged(const QGradientStops &)),
+                this, SLOT(slotGradientStopsChanged(const QGradientStops &)));
+
+    QIcon iconLinear(QLatin1String(":/trolltech/qtgradienteditor/images/typelinear.png"));
+    QIcon iconRadial(QLatin1String(":/trolltech/qtgradienteditor/images/typeradial.png"));
+    QIcon iconConical(QLatin1String(":/trolltech/qtgradienteditor/images/typeconical.png"));
+
+    d_ptr->m_ui.typeComboBox->addItem(iconLinear, tr("Linear"));
+    d_ptr->m_ui.typeComboBox->addItem(iconRadial, tr("Radial"));
+    d_ptr->m_ui.typeComboBox->addItem(iconConical, tr("Conical"));
+
+    d_ptr->m_ui.linearButton->setIcon(iconLinear);
+    d_ptr->m_ui.radialButton->setIcon(iconRadial);
+    d_ptr->m_ui.conicalButton->setIcon(iconConical);
+
+    d_ptr->m_typeGroup = new QButtonGroup(this);
+    d_ptr->m_typeGroup->addButton(d_ptr->m_ui.linearButton, 0);
+    d_ptr->m_typeGroup->addButton(d_ptr->m_ui.radialButton, 1);
+    d_ptr->m_typeGroup->addButton(d_ptr->m_ui.conicalButton, 2);
+
+    connect(d_ptr->m_typeGroup, SIGNAL(buttonClicked(int)),
+                this, SLOT(slotTypeChanged(int)));
+    connect(d_ptr->m_ui.typeComboBox, SIGNAL(activated(int)),
+                this, SLOT(slotTypeChanged(int)));
+
+    QIcon iconPad(QLatin1String(":/trolltech/qtgradienteditor/images/spreadpad.png"));
+    QIcon iconRepeat(QLatin1String(":/trolltech/qtgradienteditor/images/spreadrepeat.png"));
+    QIcon iconReflect(QLatin1String(":/trolltech/qtgradienteditor/images/spreadreflect.png"));
+
+    d_ptr->m_ui.spreadComboBox->addItem(iconPad, tr("Pad"));
+    d_ptr->m_ui.spreadComboBox->addItem(iconRepeat, tr("Repeat"));
+    d_ptr->m_ui.spreadComboBox->addItem(iconReflect, tr("Reflect"));
+
+    d_ptr->m_ui.padButton->setIcon(iconPad);
+    d_ptr->m_ui.repeatButton->setIcon(iconRepeat);
+    d_ptr->m_ui.reflectButton->setIcon(iconReflect);
+
+    d_ptr->m_spreadGroup = new QButtonGroup(this);
+    d_ptr->m_spreadGroup->addButton(d_ptr->m_ui.padButton, 0);
+    d_ptr->m_spreadGroup->addButton(d_ptr->m_ui.repeatButton, 1);
+    d_ptr->m_spreadGroup->addButton(d_ptr->m_ui.reflectButton, 2);
+    connect(d_ptr->m_spreadGroup, SIGNAL(buttonClicked(int)),
+                this, SLOT(slotSpreadChanged(int)));
+    connect(d_ptr->m_ui.spreadComboBox, SIGNAL(activated(int)),
+                this, SLOT(slotSpreadChanged(int)));
+
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(startLinearChanged(const QPointF &)),
+                this, SLOT(startLinearChanged(const QPointF &)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(endLinearChanged(const QPointF &)),
+                this, SLOT(endLinearChanged(const QPointF &)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(centralRadialChanged(const QPointF &)),
+                this, SLOT(centralRadialChanged(const QPointF &)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(focalRadialChanged(const QPointF &)),
+                this, SLOT(focalRadialChanged(const QPointF &)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(radiusRadialChanged(qreal)),
+                this, SLOT(radiusRadialChanged(qreal)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(centralConicalChanged(const QPointF &)),
+                this, SLOT(centralConicalChanged(const QPointF &)));
+    connect(d_ptr->m_ui.gradientWidget, SIGNAL(angleConicalChanged(qreal)),
+                this, SLOT(angleConicalChanged(qreal)));
+
+    QGradientStops stops = gradient().stops();
+    d_ptr->m_gradientStopsController->setGradientStops(stops);
+    d_ptr->m_ui.gradientWidget->setGradientStops(stops);
+}
+
+QtGradientEditor::~QtGradientEditor()
+{
+    if (d_ptr->m_hiddenWidget)
+        delete d_ptr->m_hiddenWidget;
+    delete d_ptr;
+}
+
+void QtGradientEditor::setGradient(const QGradient &grad)
+{
+    if (grad == gradient())
+        return;
+
+    QGradient::Type type = grad.type();
+    int idx = 0;
+    switch (type) {
+        case QGradient::LinearGradient:  idx = 0; break;
+        case QGradient::RadialGradient:  idx = 1; break;
+        case QGradient::ConicalGradient: idx = 2; break;
+        default: return;
+    }
+    d_ptr->setType(type);
+    d_ptr->m_ui.typeComboBox->setCurrentIndex(idx);
+    d_ptr->m_ui.gradientWidget->setGradientType(type);
+    d_ptr->m_typeGroup->button(idx)->setChecked(true);
+
+    QGradient::Spread spread = grad.spread();
+    switch (spread) {
+        case QGradient::PadSpread:     idx = 0; break;
+        case QGradient::RepeatSpread:  idx = 1; break;
+        case QGradient::ReflectSpread: idx = 2; break;
+        default: idx = 0; break;
+    }
+    d_ptr->m_ui.spreadComboBox->setCurrentIndex(idx);
+    d_ptr->m_ui.gradientWidget->setGradientSpread(spread);
+    d_ptr->m_spreadGroup->button(idx)->setChecked(true);
+
+    if (type == QGradient::LinearGradient) {
+        QLinearGradient *gr = (QLinearGradient *)(&grad);
+        d_ptr->setStartLinear(gr->start());
+        d_ptr->setEndLinear(gr->finalStop());
+        d_ptr->m_ui.gradientWidget->setStartLinear(gr->start());
+        d_ptr->m_ui.gradientWidget->setEndLinear(gr->finalStop());
+    } else if (type == QGradient::RadialGradient) {
+        QRadialGradient *gr = (QRadialGradient *)(&grad);
+        d_ptr->setCentralRadial(gr->center());
+        d_ptr->setFocalRadial(gr->focalPoint());
+        d_ptr->setRadiusRadial(gr->radius());
+        d_ptr->m_ui.gradientWidget->setCentralRadial(gr->center());
+        d_ptr->m_ui.gradientWidget->setFocalRadial(gr->focalPoint());
+        d_ptr->m_ui.gradientWidget->setRadiusRadial(gr->radius());
+    } else if (type == QGradient::ConicalGradient) {
+        QConicalGradient *gr = (QConicalGradient *)(&grad);
+        d_ptr->setCentralConical(gr->center());
+        d_ptr->setAngleConical(gr->angle());
+        d_ptr->m_ui.gradientWidget->setCentralConical(gr->center());
+        d_ptr->m_ui.gradientWidget->setAngleConical(gr->angle());
+    }
+
+    d_ptr->m_gradientStopsController->setGradientStops(grad.stops());
+    d_ptr->m_ui.gradientWidget->setGradientStops(grad.stops());
+    d_ptr->updateGradient(false);
+}
+
+QGradient QtGradientEditor::gradient() const
+{
+    return d_ptr->m_gradient;
+}
+
+bool QtGradientEditor::isBackgroundCheckered() const
+{
+    return d_ptr->m_backgroundCheckered;
+}
+
+void QtGradientEditor::setBackgroundCheckered(bool checkered)
+{
+    if (d_ptr->m_backgroundCheckered == checkered)
+        return;
+
+    d_ptr->m_backgroundCheckered = checkered;
+    d_ptr->m_ui.hueColorLine->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.saturationColorLine->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.valueColorLine->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.alphaColorLine->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.gradientWidget->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.gradientStopsWidget->setBackgroundCheckered(checkered);
+    d_ptr->m_ui.colorButton->setBackgroundCheckered(checkered);
+}
+
+bool QtGradientEditor::detailsVisible() const
+{
+    return d_ptr->m_details;
+}
+
+void QtGradientEditor::setDetailsVisible(bool visible)
+{
+    d_ptr->showDetails(visible);
+}
+
+bool QtGradientEditor::isDetailsButtonVisible() const
+{
+    return d_ptr->m_detailsButtonVisible;
+}
+
+void QtGradientEditor::setDetailsButtonVisible(bool visible)
+{
+    if (d_ptr->m_detailsButtonVisible == visible)
+        return;
+
+    d_ptr->m_detailsButtonVisible = visible;
+    d_ptr->m_ui.detailsButton->setVisible(visible);
+}
+
+QColor::Spec QtGradientEditor::spec() const
+{
+    return d_ptr->m_gradientStopsController->spec();
+}
+
+void QtGradientEditor::setSpec(QColor::Spec spec)
+{
+    d_ptr->m_gradientStopsController->setSpec(spec);
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qtgradienteditor.cpp"