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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 <qmath.h>
const int CP_RADIUS = 10;
template <class T>
class OnScreenWidget : public T
{
public:
OnScreenWidget(QWidget *parent = 0) : T(parent)
{
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;
}
void setVerboseMode(bool v) { m_verboseMode = v; }
void setCheckersBackground(bool b) { m_checkersBackground = b; }
void setType(DeviceType t) { m_deviceType = t; }
~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 resizeEvent(QResizeEvent *e) {
m_image = QImage();
T::resizeEvent(e);
}
void paintEvent(QPaintEvent *)
{
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));
}
}
}
}
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;
bool m_verboseMode;
bool m_checkersBackground;
DeviceType m_deviceType;
QImage m_image;
};
#endif
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