diff -r 000000000000 -r 1918ee327afb tests/arthur/lance/widgets.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/arthur/lance/widgets.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,349 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef WIDGETS_H
+#define WIDGETS_H
+
+#include "paintcommands.h"
+
+#include <QWidget>
+#include <QSettings>
+#include <QFileInfo>
+#include <QPainter>
+#include <QPaintEvent>
+#include <QListWidgetItem>
+#include <QTextEdit>
+#include <QHBoxLayout>
+#include <QSplitter>
+#include <QPushButton>
+#include <QFileDialog>
+#include <QTextStream>
+#include <QPaintEngine>
+#include <QSignalMapper>
+#include <QAction>
+
+
+#include <private/qwindowsurface_p.h>
+
+#include <qmath.h>
+
+const int CP_RADIUS = 10;
+
+class StupidWorkaround : public QObject
+{
+    Q_OBJECT
+public:
+    StupidWorkaround(QWidget *widget, int *value)
+        : QObject(widget), w(widget), mode(value)
+    {
+    }
+
+public slots:
+    void setViewMode(int m) {
+        *mode = m;
+        w->update();
+    }
+
+private:
+    QWidget *w;
+    int *mode;
+};
+
+template <class T>
+class OnScreenWidget : public T
+{
+public:
+
+    enum ViewMode {
+        RenderView,
+        BaselineView,
+        DifferenceView
+    };
+
+    OnScreenWidget(const QString &file, QWidget *parent = 0)
+        : T(parent),
+          m_filename(file),
+          m_view_mode(RenderView)
+    {
+        QSettings settings("Trolltech", "lance");
+        for (int i=0; i<10; ++i) {
+            QPointF suggestion(100 + i * 40, 100 + 100 * qSin(i * 3.1415 / 10.0));
+            m_controlPoints << settings.value("cp" + QString::number(i), suggestion).toPointF();
+        }
+
+        m_currentPoint = -1;
+        m_showControlPoints = false;
+        m_deviceType = WidgetType;
+        m_checkersBackground = true;
+        m_verboseMode = false;
+
+        m_baseline_name = QString(m_filename).replace(".qps", "_qps") + ".png";
+        if (QFileInfo(m_baseline_name).exists()) {
+            m_baseline = QPixmap(m_baseline_name);
+        }
+
+        if (m_baseline.isNull()) {
+            T::setWindowTitle("Rendering: '" + file + "'. No baseline available");
+        } else {
+            T::setWindowTitle("Rendering: '" + file + "'. Shortcuts: 1=render, 2=baseline, 3=difference");
+
+            StupidWorkaround *workaround = new StupidWorkaround(this, &m_view_mode);
+
+            QSignalMapper *mapper = new QSignalMapper(this);
+            T::connect(mapper, SIGNAL(mapped(int)), workaround, SLOT(setViewMode(int)));
+            T::connect(mapper, SIGNAL(mapped(QString)), this, SLOT(setWindowTitle(QString)));
+
+            QAction *renderViewAction = new QAction("Render View", this);
+            renderViewAction->setShortcut(Qt::Key_1);
+            T::connect(renderViewAction, SIGNAL(triggered()), mapper, SLOT(map()));
+            mapper->setMapping(renderViewAction, RenderView);
+            mapper->setMapping(renderViewAction, "Render View: " + file);
+            T::addAction(renderViewAction);
+
+            QAction *baselineAction = new QAction("Baseline", this);
+            baselineAction->setShortcut(Qt::Key_2);
+            T::connect(baselineAction, SIGNAL(triggered()), mapper, SLOT(map()));
+            mapper->setMapping(baselineAction, BaselineView);
+            mapper->setMapping(baselineAction, "Baseline View: " + file);
+            T::addAction(baselineAction);
+
+            QAction *differenceAction = new QAction("Differenfe View", this);
+            differenceAction->setShortcut(Qt::Key_3);
+            T::connect(differenceAction, SIGNAL(triggered()), mapper, SLOT(map()));
+            mapper->setMapping(differenceAction, DifferenceView);
+            mapper->setMapping(differenceAction, "Difference View" + file);
+            T::addAction(differenceAction);
+
+        }
+
+    }
+
+    ~OnScreenWidget()
+    {
+        QSettings settings("Trolltech", "lance");
+        for (int i=0; i<10; ++i) {
+            settings.setValue("cp" + QString::number(i), m_controlPoints.at(i));
+        }
+        settings.sync();
+    }
+
+    void setVerboseMode(bool v) { m_verboseMode = v; }
+    void setCheckersBackground(bool b) { m_checkersBackground = b; }
+    void setType(DeviceType t) { m_deviceType = t; }
+
+    void resizeEvent(QResizeEvent *e) {
+        m_image = QImage();
+        T::resizeEvent(e);
+    }
+
+    void paintEvent(QPaintEvent *) {
+        switch (m_view_mode) {
+        case RenderView: paintRenderView(); break;
+        case BaselineView: paintBaselineView(); break;
+        case DifferenceView: paintDifferenceView(); break;
+        }
+    }
+
+    void paintRenderView()
+    {
+        QPainter pt;
+        QPaintDevice *dev = this;
+        if (m_deviceType == ImageWidgetType) {
+            if (m_image.size() != T::size())
+                m_image = QImage(T::size(), QImage::Format_ARGB32_Premultiplied);
+            m_image.fill(0);
+            dev = &m_image;
+        }
+
+        pt.begin(dev);
+
+        PaintCommands paintCommands(m_commands, 800, 800);
+        paintCommands.setVerboseMode(m_verboseMode);
+        paintCommands.setCheckersBackground(m_checkersBackground);
+        paintCommands.setType(m_deviceType);
+        paintCommands.setPainter(&pt);
+        paintCommands.setControlPoints(m_controlPoints);
+        paintCommands.setFilePath(QFileInfo(m_filename).absolutePath());
+#ifdef DO_QWS_DEBUGGING
+        qt_show_painter_debug_output = true;
+#endif
+        pt.save();
+        paintCommands.runCommands();
+        pt.restore();
+#ifdef DO_QWS_DEBUGGING
+        qt_show_painter_debug_output = false;
+#endif
+
+        pt.end();
+
+        if (m_deviceType == ImageWidgetType) {
+            QPainter(this).drawImage(0, 0, m_image);
+        }
+
+        if (m_currentPoint >= 0 || m_showControlPoints) {
+            pt.begin(this);
+            pt.setRenderHint(QPainter::Antialiasing);
+            pt.setFont(this->font());
+            pt.resetMatrix();
+            pt.setPen(QColor(127, 127, 127, 191));
+            pt.setBrush(QColor(191, 191, 255, 63));
+            for (int i=0; i<m_controlPoints.size(); ++i) {
+                if (m_showControlPoints || m_currentPoint == i) {
+                    QPointF cp = m_controlPoints.at(i);
+                    QRectF rect(cp.x() - CP_RADIUS, cp.y() - CP_RADIUS,
+                                CP_RADIUS * 2, CP_RADIUS * 2);
+                    pt.drawEllipse(rect);
+                    pt.drawText(rect, Qt::AlignCenter, QString::number(i));
+                }
+            }
+        }
+
+        if (m_render_view.isNull()) {
+            m_render_view = T::window()->windowSurface()->grabWidget(this);
+            m_render_view.save("renderView.png");
+        }
+    }
+
+    void paintBaselineView() {
+        QPainter p(this);
+
+        if (m_baseline.isNull()) {
+            p.drawText(T::rect(), Qt::AlignCenter,
+                       "No baseline found\n"
+                       "file '" + m_baseline_name + "' does not exist...");
+            return;
+        }
+
+        p.drawPixmap(0, 0, m_baseline);
+
+        p.setPen(QColor::fromRgb(0, 0, 0, 0.1));
+        p.setFont(QFont("Arial", 128));
+        p.rotate(45);
+        p.drawText(100, 0, "BASELINE");
+    }
+
+    QPixmap generateDifference()
+    {
+        QImage img(T::size(), QImage::Format_RGB32);
+        img.fill(0);
+
+        QPainter p(&img);
+        p.drawPixmap(0, 0, m_render_view);
+
+        p.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
+        p.drawPixmap(0, 0, m_baseline);
+
+        p.end();
+
+        return QPixmap::fromImage(img);
+    }
+
+    void paintDifferenceView() {
+        QPainter p(this);
+        if (m_baseline.isNull()) {
+            p.drawText(T::rect(), Qt::AlignCenter,
+                       "No baseline found\n"
+                       "file '" + m_baseline_name + "' does not exist...");
+            return;
+        }
+
+        p.fillRect(T::rect(), Qt::black);
+        p.drawPixmap(0, 0, generateDifference());
+    }
+
+
+    void mouseMoveEvent(QMouseEvent *e)
+    {
+        if (m_currentPoint == -1)
+            return;
+        if (T::rect().contains(e->pos()))
+            m_controlPoints[m_currentPoint] = e->pos();
+        T::update();
+    }
+
+    void mousePressEvent(QMouseEvent *e)
+    {
+        if (e->button() == Qt::RightButton) {
+            m_showControlPoints = true;
+        }
+
+        if (e->button() == Qt::LeftButton) {
+            for (int i=0; i<m_controlPoints.size(); ++i) {
+                if (QLineF(m_controlPoints.at(i), e->pos()).length() < CP_RADIUS) {
+                    m_currentPoint = i;
+                    break;
+                }
+            }
+        }
+        T::update();
+    }
+
+    void mouseReleaseEvent(QMouseEvent *e)
+    {
+        if (e->button() == Qt::LeftButton)
+            m_currentPoint = -1;
+        if (e->button() == Qt::RightButton)
+            m_showControlPoints = false;
+        T::update();
+    }
+
+    QSize sizeHint() const { return QSize(800, 800); }
+
+    QVector<QPointF> m_controlPoints;
+    int m_currentPoint;
+    bool m_showControlPoints;
+
+    QStringList m_commands;
+    QString m_filename;
+    QString m_baseline_name;
+
+    bool m_verboseMode;
+    bool m_checkersBackground;
+    DeviceType m_deviceType;
+
+    int m_view_mode;
+
+    QImage m_image;
+
+    QPixmap m_baseline;
+    QPixmap m_render_view;
+};
+
+#endif