3rdparty/QtPropertyBrowser/src/qtpropertybrowserutils.cpp - third_party/nextpnr - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 **
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of a Qt Solutions component.
 **
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ****************************************************************************/


 #include "qtpropertybrowserutils_p.h"
 #include <QApplication>
 #include <QPainter>
 #include <QHBoxLayout>
 #include <QMouseEvent>
 #include <QCheckBox>
 #include <QLineEdit>
 #include <QMenu>
 #include <QStyleOption>

 #if QT_VERSION >= 0x040400
 QT_BEGIN_NAMESPACE
 #endif

 QtCursorDatabase::QtCursorDatabase()
 {
     appendCursor(Qt::ArrowCursor, QApplication::translate("QtCursorDatabase", "Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-arrow.png")));
     appendCursor(Qt::UpArrowCursor, QApplication::translate("QtCursorDatabase", "Up Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-uparrow.png")));
     appendCursor(Qt::CrossCursor, QApplication::translate("QtCursorDatabase", "Cross", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-cross.png")));
     appendCursor(Qt::WaitCursor, QApplication::translate("QtCursorDatabase", "Wait", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-wait.png")));
     appendCursor(Qt::IBeamCursor, QApplication::translate("QtCursorDatabase", "IBeam", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-ibeam.png")));
     appendCursor(Qt::SizeVerCursor, QApplication::translate("QtCursorDatabase", "Size Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizev.png")));
     appendCursor(Qt::SizeHorCursor, QApplication::translate("QtCursorDatabase", "Size Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeh.png")));
     appendCursor(Qt::SizeFDiagCursor, QApplication::translate("QtCursorDatabase", "Size Backslash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizef.png")));
     appendCursor(Qt::SizeBDiagCursor, QApplication::translate("QtCursorDatabase", "Size Slash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeb.png")));
     appendCursor(Qt::SizeAllCursor, QApplication::translate("QtCursorDatabase", "Size All", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeall.png")));
     appendCursor(Qt::BlankCursor, QApplication::translate("QtCursorDatabase", "Blank", 0), QIcon());
     appendCursor(Qt::SplitVCursor, QApplication::translate("QtCursorDatabase", "Split Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-vsplit.png")));
     appendCursor(Qt::SplitHCursor, QApplication::translate("QtCursorDatabase", "Split Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hsplit.png")));
     appendCursor(Qt::PointingHandCursor, QApplication::translate("QtCursorDatabase", "Pointing Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hand.png")));
     appendCursor(Qt::ForbiddenCursor, QApplication::translate("QtCursorDatabase", "Forbidden", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-forbidden.png")));
     appendCursor(Qt::OpenHandCursor, QApplication::translate("QtCursorDatabase", "Open Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-openhand.png")));
     appendCursor(Qt::ClosedHandCursor, QApplication::translate("QtCursorDatabase", "Closed Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-closedhand.png")));
     appendCursor(Qt::WhatsThisCursor, QApplication::translate("QtCursorDatabase", "What's This", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-whatsthis.png")));
     appendCursor(Qt::BusyCursor, QApplication::translate("QtCursorDatabase", "Busy", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-busy.png")));
 }

 void QtCursorDatabase::appendCursor(Qt::CursorShape shape, const QString &name, const QIcon &icon)
 {
     if (m_cursorShapeToValue.contains(shape))
         return;
     int value = m_cursorNames.count();
     m_cursorNames.append(name);
     m_cursorIcons[value] = icon;
     m_valueToCursorShape[value] = shape;
     m_cursorShapeToValue[shape] = value;
 }

 QStringList QtCursorDatabase::cursorShapeNames() const
 {
     return m_cursorNames;
 }

 QMap<int, QIcon> QtCursorDatabase::cursorShapeIcons() const
 {
     return m_cursorIcons;
 }

 QString QtCursorDatabase::cursorToShapeName(const QCursor &cursor) const
 {
     int val = cursorToValue(cursor);
     if (val >= 0)
         return m_cursorNames.at(val);
     return QString();
 }

 QIcon QtCursorDatabase::cursorToShapeIcon(const QCursor &cursor) const
 {
     int val = cursorToValue(cursor);
     return m_cursorIcons.value(val);
 }

 int QtCursorDatabase::cursorToValue(const QCursor &cursor) const
 {
 #ifndef QT_NO_CURSOR
     Qt::CursorShape shape = cursor.shape();
     if (m_cursorShapeToValue.contains(shape))
         return m_cursorShapeToValue[shape];
 #endif
     return -1;
 }

 #ifndef QT_NO_CURSOR
 QCursor QtCursorDatabase::valueToCursor(int value) const
 {
     if (m_valueToCursorShape.contains(value))
         return QCursor(m_valueToCursorShape[value]);
     return QCursor();
 }
 #endif

 QPixmap QtPropertyBrowserUtils::brushValuePixmap(const QBrush &b)
 {
     QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
     img.fill(0);

     QPainter painter(&img);
     painter.setCompositionMode(QPainter::CompositionMode_Source);
     painter.fillRect(0, 0, img.width(), img.height(), b);
     QColor color = b.color();
     if (color.alpha() != 255) { // indicate alpha by an inset
         QBrush  opaqueBrush = b;
         color.setAlpha(255);
         opaqueBrush.setColor(color);
         painter.fillRect(img.width() / 4, img.height() / 4,
                          img.width() / 2, img.height() / 2, opaqueBrush);
     }
     painter.end();
     return QPixmap::fromImage(img);
 }

 QIcon QtPropertyBrowserUtils::brushValueIcon(const QBrush &b)
 {
     return QIcon(brushValuePixmap(b));
 }

 QString QtPropertyBrowserUtils::colorValueText(const QColor &c)
 {
     return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2, %3] (%4)", 0)
                                   .arg(QString::number(c.red()))
                                   .arg(QString::number(c.green()))
                                   .arg(QString::number(c.blue()))
                                   .arg(QString::number(c.alpha()));
 }

 QPixmap QtPropertyBrowserUtils::fontValuePixmap(const QFont &font)
 {
     QFont f = font;
     QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
     img.fill(0);
     QPainter p(&img);
     p.setRenderHint(QPainter::TextAntialiasing, true);
     p.setRenderHint(QPainter::Antialiasing, true);
     f.setPointSize(13);
     p.setFont(f);
     QTextOption t;
     t.setAlignment(Qt::AlignCenter);
     p.drawText(QRect(0, 0, 16, 16), QString(QLatin1Char('A')), t);
     return QPixmap::fromImage(img);
 }

 QIcon QtPropertyBrowserUtils::fontValueIcon(const QFont &f)
 {
     return QIcon(fontValuePixmap(f));
 }

 QString QtPropertyBrowserUtils::fontValueText(const QFont &f)
 {
     return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2]", 0)
                                   .arg(f.family())
                                   .arg(f.pointSize());
 }


 QtBoolEdit::QtBoolEdit(QWidget *parent) :
     QWidget(parent),
     m_checkBox(new QCheckBox(this)),
     m_textVisible(true)
 {
     QHBoxLayout *lt = new QHBoxLayout;
     if (QApplication::layoutDirection() == Qt::LeftToRight)
         lt->setContentsMargins(4, 0, 0, 0);
     else
         lt->setContentsMargins(0, 0, 4, 0);
     lt->addWidget(m_checkBox);
     setLayout(lt);
     connect(m_checkBox, SIGNAL(toggled(bool)), this, SIGNAL(toggled(bool)));
     setFocusProxy(m_checkBox);
     m_checkBox->setText(tr("True"));
 }

 void QtBoolEdit::setTextVisible(bool textVisible)
 {
     if (m_textVisible == textVisible)
         return;

     m_textVisible = textVisible;
     if (m_textVisible)
         m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
     else
         m_checkBox->setText(QString());
 }

 Qt::CheckState QtBoolEdit::checkState() const
 {
     return m_checkBox->checkState();
 }

 void QtBoolEdit::setCheckState(Qt::CheckState state)
 {
     m_checkBox->setCheckState(state);
 }

 bool QtBoolEdit::isChecked() const
 {
     return m_checkBox->isChecked();
 }

 void QtBoolEdit::setChecked(bool c)
 {
     m_checkBox->setChecked(c);
     if (!m_textVisible)
         return;
     m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
 }

 bool QtBoolEdit::blockCheckBoxSignals(bool block)
 {
     return m_checkBox->blockSignals(block);
 }

 void QtBoolEdit::mousePressEvent(QMouseEvent *event)
 {
     if (event->buttons() == Qt::LeftButton) {
         m_checkBox->click();
         event->accept();
     } else {
         QWidget::mousePressEvent(event);
     }
 }

 void QtBoolEdit::paintEvent(QPaintEvent *)
 {
     QStyleOption opt;
     opt.init(this);
     QPainter p(this);
     style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 }


 QtKeySequenceEdit::QtKeySequenceEdit(QWidget *parent)
     : QWidget(parent), m_num(0), m_lineEdit(new QLineEdit(this))
 {
     QHBoxLayout *layout = new QHBoxLayout(this);
     layout->addWidget(m_lineEdit);
     layout->setMargin(0);
     m_lineEdit->installEventFilter(this);
     m_lineEdit->setReadOnly(true);
     m_lineEdit->setFocusProxy(this);
     setFocusPolicy(m_lineEdit->focusPolicy());
     setAttribute(Qt::WA_InputMethodEnabled);
 }

 bool QtKeySequenceEdit::eventFilter(QObject *o, QEvent *e)
 {
     if (o == m_lineEdit && e->type() == QEvent::ContextMenu) {
         QContextMenuEvent *c = static_cast<QContextMenuEvent *>(e);
         QMenu *menu = m_lineEdit->createStandardContextMenu();
         const QList<QAction *> actions = menu->actions();
         QListIterator<QAction *> itAction(actions);
         while (itAction.hasNext()) {
             QAction *action = itAction.next();
             action->setShortcut(QKeySequence());
             QString actionString = action->text();
             const int pos = actionString.lastIndexOf(QLatin1Char('\t'));
             if (pos > 0)
                 actionString.remove(pos, actionString.length() - pos);
             action->setText(actionString);
         }
         QAction *actionBefore = 0;
         if (actions.count() > 0)
             actionBefore = actions[0];
         QAction *clearAction = new QAction(tr("Clear Shortcut"), menu);
         menu->insertAction(actionBefore, clearAction);
         menu->insertSeparator(actionBefore);
         clearAction->setEnabled(!m_keySequence.isEmpty());
         connect(clearAction, SIGNAL(triggered()), this, SLOT(slotClearShortcut()));
         menu->exec(c->globalPos());
         delete menu;
         e->accept();
         return true;
     }

     return QWidget::eventFilter(o, e);
 }

 void QtKeySequenceEdit::slotClearShortcut()
 {
     if (m_keySequence.isEmpty())
         return;
     setKeySequence(QKeySequence());
     emit keySequenceChanged(m_keySequence);
 }

 void QtKeySequenceEdit::handleKeyEvent(QKeyEvent *e)
 {
     int nextKey = e->key();
     if (nextKey == Qt::Key_Control || nextKey == Qt::Key_Shift ||
             nextKey == Qt::Key_Meta || nextKey == Qt::Key_Alt ||
             nextKey == Qt::Key_Super_L || nextKey == Qt::Key_AltGr)
         return;

     nextKey |= translateModifiers(e->modifiers(), e->text());
     int k0 = m_keySequence[0];
     int k1 = m_keySequence[1];
     int k2 = m_keySequence[2];
     int k3 = m_keySequence[3];
     switch (m_num) {
         case 0: k0 = nextKey; k1 = 0; k2 = 0; k3 = 0; break;
         case 1: k1 = nextKey; k2 = 0; k3 = 0; break;
         case 2: k2 = nextKey; k3 = 0; break;
         case 3: k3 = nextKey; break;
         default: break;
     }
     ++m_num;
     if (m_num > 3)
         m_num = 0;
     m_keySequence = QKeySequence(k0, k1, k2, k3);
     m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
     e->accept();
     emit keySequenceChanged(m_keySequence);
 }

 void QtKeySequenceEdit::setKeySequence(const QKeySequence &sequence)
 {
     if (sequence == m_keySequence)
         return;
     m_num = 0;
     m_keySequence = sequence;
     m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
 }

 QKeySequence QtKeySequenceEdit::keySequence() const
 {
     return m_keySequence;
 }

 int QtKeySequenceEdit::translateModifiers(Qt::KeyboardModifiers state, const QString &text) const
 {
     int result = 0;
     if ((state & Qt::ShiftModifier) && (text.size() == 0 || !text.at(0).isPrint() || text.at(0).isLetter() || text.at(0).isSpace()))
         result |= Qt::SHIFT;
     if (state & Qt::ControlModifier)
         result |= Qt::CTRL;
     if (state & Qt::MetaModifier)
         result |= Qt::META;
     if (state & Qt::AltModifier)
         result |= Qt::ALT;
     return result;
 }

 void QtKeySequenceEdit::focusInEvent(QFocusEvent *e)
 {
     m_lineEdit->event(e);
     m_lineEdit->selectAll();
     QWidget::focusInEvent(e);
 }

 void QtKeySequenceEdit::focusOutEvent(QFocusEvent *e)
 {
     m_num = 0;
     m_lineEdit->event(e);
     QWidget::focusOutEvent(e);
 }

 void QtKeySequenceEdit::keyPressEvent(QKeyEvent *e)
 {
     handleKeyEvent(e);
     e->accept();
 }

 void QtKeySequenceEdit::keyReleaseEvent(QKeyEvent *e)
 {
     m_lineEdit->event(e);
 }

 void QtKeySequenceEdit::paintEvent(QPaintEvent *)
 {
     QStyleOption opt;
     opt.init(this);
     QPainter p(this);
     style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
 }

 bool QtKeySequenceEdit::event(QEvent *e)
 {
     if (e->type() == QEvent::Shortcut ||
             e->type() == QEvent::ShortcutOverride  ||
             e->type() == QEvent::KeyRelease) {
         e->accept();
         return true;
     }
     return QWidget::event(e);
 }


 #if QT_VERSION >= 0x040400
 QT_END_NAMESPACE
 #endif
	/****************************************************************************
	**
	** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
	** All rights reserved.
	**
	** Contact: Nokia Corporation (qt-info@nokia.com)
	**
	** This file is part of a Qt Solutions component.
	**
	** You may use this file under the terms of the BSD license as follows:
	**
	** "Redistribution and use in source and binary forms, with or without
	** modification, are permitted provided that the following conditions are
	** met:
	** * Redistributions of source code must retain the above copyright
	** notice, this list of conditions and the following disclaimer.
	** * Redistributions in binary form must reproduce the above copyright
	** notice, this list of conditions and the following disclaimer in
	** the documentation and/or other materials provided with the
	** distribution.
	** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
	** the names of its contributors may be used to endorse or promote
	** products derived from this software without specific prior written
	** permission.
	**
	** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
	**
	****************************************************************************/


	#include "qtpropertybrowserutils_p.h"
	#include <QApplication>
	#include <QPainter>
	#include <QHBoxLayout>
	#include <QMouseEvent>
	#include <QCheckBox>
	#include <QLineEdit>
	#include <QMenu>
	#include <QStyleOption>

	#if QT_VERSION >= 0x040400
	QT_BEGIN_NAMESPACE
	#endif

	QtCursorDatabase::QtCursorDatabase()
	{
	appendCursor(Qt::ArrowCursor, QApplication::translate("QtCursorDatabase", "Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-arrow.png")));
	appendCursor(Qt::UpArrowCursor, QApplication::translate("QtCursorDatabase", "Up Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-uparrow.png")));
	appendCursor(Qt::CrossCursor, QApplication::translate("QtCursorDatabase", "Cross", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-cross.png")));
	appendCursor(Qt::WaitCursor, QApplication::translate("QtCursorDatabase", "Wait", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-wait.png")));
	appendCursor(Qt::IBeamCursor, QApplication::translate("QtCursorDatabase", "IBeam", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-ibeam.png")));
	appendCursor(Qt::SizeVerCursor, QApplication::translate("QtCursorDatabase", "Size Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizev.png")));
	appendCursor(Qt::SizeHorCursor, QApplication::translate("QtCursorDatabase", "Size Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeh.png")));
	appendCursor(Qt::SizeFDiagCursor, QApplication::translate("QtCursorDatabase", "Size Backslash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizef.png")));
	appendCursor(Qt::SizeBDiagCursor, QApplication::translate("QtCursorDatabase", "Size Slash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeb.png")));
	appendCursor(Qt::SizeAllCursor, QApplication::translate("QtCursorDatabase", "Size All", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeall.png")));
	appendCursor(Qt::BlankCursor, QApplication::translate("QtCursorDatabase", "Blank", 0), QIcon());
	appendCursor(Qt::SplitVCursor, QApplication::translate("QtCursorDatabase", "Split Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-vsplit.png")));
	appendCursor(Qt::SplitHCursor, QApplication::translate("QtCursorDatabase", "Split Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hsplit.png")));
	appendCursor(Qt::PointingHandCursor, QApplication::translate("QtCursorDatabase", "Pointing Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hand.png")));
	appendCursor(Qt::ForbiddenCursor, QApplication::translate("QtCursorDatabase", "Forbidden", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-forbidden.png")));
	appendCursor(Qt::OpenHandCursor, QApplication::translate("QtCursorDatabase", "Open Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-openhand.png")));
	appendCursor(Qt::ClosedHandCursor, QApplication::translate("QtCursorDatabase", "Closed Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-closedhand.png")));
	appendCursor(Qt::WhatsThisCursor, QApplication::translate("QtCursorDatabase", "What's This", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-whatsthis.png")));
	appendCursor(Qt::BusyCursor, QApplication::translate("QtCursorDatabase", "Busy", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-busy.png")));
	}

	void QtCursorDatabase::appendCursor(Qt::CursorShape shape, const QString &name, const QIcon &icon)
	{
	if (m_cursorShapeToValue.contains(shape))
	return;
	int value = m_cursorNames.count();
	m_cursorNames.append(name);
	m_cursorIcons[value] = icon;
	m_valueToCursorShape[value] = shape;
	m_cursorShapeToValue[shape] = value;
	}

	QStringList QtCursorDatabase::cursorShapeNames() const
	{
	return m_cursorNames;
	}

	QMap<int, QIcon> QtCursorDatabase::cursorShapeIcons() const
	{
	return m_cursorIcons;
	}

	QString QtCursorDatabase::cursorToShapeName(const QCursor &cursor) const
	{
	int val = cursorToValue(cursor);
	if (val >= 0)
	return m_cursorNames.at(val);
	return QString();
	}

	QIcon QtCursorDatabase::cursorToShapeIcon(const QCursor &cursor) const
	{
	int val = cursorToValue(cursor);
	return m_cursorIcons.value(val);
	}

	int QtCursorDatabase::cursorToValue(const QCursor &cursor) const
	{
	#ifndef QT_NO_CURSOR
	Qt::CursorShape shape = cursor.shape();
	if (m_cursorShapeToValue.contains(shape))
	return m_cursorShapeToValue[shape];
	#endif
	return -1;
	}

	#ifndef QT_NO_CURSOR
	QCursor QtCursorDatabase::valueToCursor(int value) const
	{
	if (m_valueToCursorShape.contains(value))
	return QCursor(m_valueToCursorShape[value]);
	return QCursor();
	}
	#endif

	QPixmap QtPropertyBrowserUtils::brushValuePixmap(const QBrush &b)
	{
	QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
	img.fill(0);

	QPainter painter(&img);
	painter.setCompositionMode(QPainter::CompositionMode_Source);
	painter.fillRect(0, 0, img.width(), img.height(), b);
	QColor color = b.color();
	if (color.alpha() != 255) { // indicate alpha by an inset
	QBrush opaqueBrush = b;
	color.setAlpha(255);
	opaqueBrush.setColor(color);
	painter.fillRect(img.width() / 4, img.height() / 4,
	img.width() / 2, img.height() / 2, opaqueBrush);
	}
	painter.end();
	return QPixmap::fromImage(img);
	}

	QIcon QtPropertyBrowserUtils::brushValueIcon(const QBrush &b)
	{
	return QIcon(brushValuePixmap(b));
	}

	QString QtPropertyBrowserUtils::colorValueText(const QColor &c)
	{
	return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2, %3] (%4)", 0)
	.arg(QString::number(c.red()))
	.arg(QString::number(c.green()))
	.arg(QString::number(c.blue()))
	.arg(QString::number(c.alpha()));
	}

	QPixmap QtPropertyBrowserUtils::fontValuePixmap(const QFont &font)
	{
	QFont f = font;
	QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
	img.fill(0);
	QPainter p(&img);
	p.setRenderHint(QPainter::TextAntialiasing, true);
	p.setRenderHint(QPainter::Antialiasing, true);
	f.setPointSize(13);
	p.setFont(f);
	QTextOption t;
	t.setAlignment(Qt::AlignCenter);
	p.drawText(QRect(0, 0, 16, 16), QString(QLatin1Char('A')), t);
	return QPixmap::fromImage(img);
	}

	QIcon QtPropertyBrowserUtils::fontValueIcon(const QFont &f)
	{
	return QIcon(fontValuePixmap(f));
	}

	QString QtPropertyBrowserUtils::fontValueText(const QFont &f)
	{
	return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2]", 0)
	.arg(f.family())
	.arg(f.pointSize());
	}


	QtBoolEdit::QtBoolEdit(QWidget *parent) :
	QWidget(parent),
	m_checkBox(new QCheckBox(this)),
	m_textVisible(true)
	{
	QHBoxLayout *lt = new QHBoxLayout;
	if (QApplication::layoutDirection() == Qt::LeftToRight)
	lt->setContentsMargins(4, 0, 0, 0);
	else
	lt->setContentsMargins(0, 0, 4, 0);
	lt->addWidget(m_checkBox);
	setLayout(lt);
	connect(m_checkBox, SIGNAL(toggled(bool)), this, SIGNAL(toggled(bool)));
	setFocusProxy(m_checkBox);
	m_checkBox->setText(tr("True"));
	}

	void QtBoolEdit::setTextVisible(bool textVisible)
	{
	if (m_textVisible == textVisible)
	return;

	m_textVisible = textVisible;
	if (m_textVisible)
	m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
	else
	m_checkBox->setText(QString());
	}

	Qt::CheckState QtBoolEdit::checkState() const
	{
	return m_checkBox->checkState();
	}

	void QtBoolEdit::setCheckState(Qt::CheckState state)
	{
	m_checkBox->setCheckState(state);
	}

	bool QtBoolEdit::isChecked() const
	{
	return m_checkBox->isChecked();
	}

	void QtBoolEdit::setChecked(bool c)
	{
	m_checkBox->setChecked(c);
	if (!m_textVisible)
	return;
	m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
	}

	bool QtBoolEdit::blockCheckBoxSignals(bool block)
	{
	return m_checkBox->blockSignals(block);
	}

	void QtBoolEdit::mousePressEvent(QMouseEvent *event)
	{
	if (event->buttons() == Qt::LeftButton) {
	m_checkBox->click();
	event->accept();
	} else {
	QWidget::mousePressEvent(event);
	}
	}

	void QtBoolEdit::paintEvent(QPaintEvent *)
	{
	QStyleOption opt;
	opt.init(this);
	QPainter p(this);
	style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
	}



	QtKeySequenceEdit::QtKeySequenceEdit(QWidget *parent)
	: QWidget(parent), m_num(0), m_lineEdit(new QLineEdit(this))
	{
	QHBoxLayout *layout = new QHBoxLayout(this);
	layout->addWidget(m_lineEdit);
	layout->setMargin(0);
	m_lineEdit->installEventFilter(this);
	m_lineEdit->setReadOnly(true);
	m_lineEdit->setFocusProxy(this);
	setFocusPolicy(m_lineEdit->focusPolicy());
	setAttribute(Qt::WA_InputMethodEnabled);
	}

	bool QtKeySequenceEdit::eventFilter(QObject o, QEvent e)
	{
	if (o == m_lineEdit && e->type() == QEvent::ContextMenu) {
	QContextMenuEvent c = static_cast<QContextMenuEvent >(e);
	QMenu *menu = m_lineEdit->createStandardContextMenu();
	const QList<QAction *> actions = menu->actions();
	QListIterator<QAction *> itAction(actions);
	while (itAction.hasNext()) {
	QAction *action = itAction.next();
	action->setShortcut(QKeySequence());
	QString actionString = action->text();
	const int pos = actionString.lastIndexOf(QLatin1Char('\t'));
	if (pos > 0)
	actionString.remove(pos, actionString.length() - pos);
	action->setText(actionString);
	}
	QAction *actionBefore = 0;
	if (actions.count() > 0)
	actionBefore = actions[0];
	QAction *clearAction = new QAction(tr("Clear Shortcut"), menu);
	menu->insertAction(actionBefore, clearAction);
	menu->insertSeparator(actionBefore);
	clearAction->setEnabled(!m_keySequence.isEmpty());
	connect(clearAction, SIGNAL(triggered()), this, SLOT(slotClearShortcut()));
	menu->exec(c->globalPos());
	delete menu;
	e->accept();
	return true;
	}

	return QWidget::eventFilter(o, e);
	}

	void QtKeySequenceEdit::slotClearShortcut()
	{
	if (m_keySequence.isEmpty())
	return;
	setKeySequence(QKeySequence());
	emit keySequenceChanged(m_keySequence);
	}

	void QtKeySequenceEdit::handleKeyEvent(QKeyEvent *e)
	{
	int nextKey = e->key();
	if (nextKey == Qt::Key_Control \|\| nextKey == Qt::Key_Shift \|\|
	nextKey == Qt::Key_Meta \|\| nextKey == Qt::Key_Alt \|\|
	nextKey == Qt::Key_Super_L \|\| nextKey == Qt::Key_AltGr)
	return;

	nextKey \|= translateModifiers(e->modifiers(), e->text());
	int k0 = m_keySequence[0];
	int k1 = m_keySequence[1];
	int k2 = m_keySequence[2];
	int k3 = m_keySequence[3];
	switch (m_num) {
	case 0: k0 = nextKey; k1 = 0; k2 = 0; k3 = 0; break;
	case 1: k1 = nextKey; k2 = 0; k3 = 0; break;
	case 2: k2 = nextKey; k3 = 0; break;
	case 3: k3 = nextKey; break;
	default: break;
	}
	++m_num;
	if (m_num > 3)
	m_num = 0;
	m_keySequence = QKeySequence(k0, k1, k2, k3);
	m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
	e->accept();
	emit keySequenceChanged(m_keySequence);
	}

	void QtKeySequenceEdit::setKeySequence(const QKeySequence &sequence)
	{
	if (sequence == m_keySequence)
	return;
	m_num = 0;
	m_keySequence = sequence;
	m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
	}

	QKeySequence QtKeySequenceEdit::keySequence() const
	{
	return m_keySequence;
	}

	int QtKeySequenceEdit::translateModifiers(Qt::KeyboardModifiers state, const QString &text) const
	{
	int result = 0;
	if ((state & Qt::ShiftModifier) && (text.size() == 0 \|\| !text.at(0).isPrint() \|\| text.at(0).isLetter() \|\| text.at(0).isSpace()))
	result \|= Qt::SHIFT;
	if (state & Qt::ControlModifier)
	result \|= Qt::CTRL;
	if (state & Qt::MetaModifier)
	result \|= Qt::META;
	if (state & Qt::AltModifier)
	result \|= Qt::ALT;
	return result;
	}

	void QtKeySequenceEdit::focusInEvent(QFocusEvent *e)
	{
	m_lineEdit->event(e);
	m_lineEdit->selectAll();
	QWidget::focusInEvent(e);
	}

	void QtKeySequenceEdit::focusOutEvent(QFocusEvent *e)
	{
	m_num = 0;
	m_lineEdit->event(e);
	QWidget::focusOutEvent(e);
	}

	void QtKeySequenceEdit::keyPressEvent(QKeyEvent *e)
	{
	handleKeyEvent(e);
	e->accept();
	}

	void QtKeySequenceEdit::keyReleaseEvent(QKeyEvent *e)
	{
	m_lineEdit->event(e);
	}

	void QtKeySequenceEdit::paintEvent(QPaintEvent *)
	{
	QStyleOption opt;
	opt.init(this);
	QPainter p(this);
	style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
	}

	bool QtKeySequenceEdit::event(QEvent *e)
	{
	if (e->type() == QEvent::Shortcut \|\|
	e->type() == QEvent::ShortcutOverride \|\|
	e->type() == QEvent::KeyRelease) {
	e->accept();
	return true;
	}
	return QWidget::event(e);
	}




	#if QT_VERSION >= 0x040400
	QT_END_NAMESPACE
	#endif