Added QtPropertyBrowser source

1 files changed, 432 insertions, 0 deletions

diff --git a/3rdparty/QtPropertyBrowser/src/qtpropertybrowserutils.cpp b/3rdparty/QtPropertyBrowser/src/qtpropertybrowserutils.cpp
new file mode 100644
index 00000000..cd195835
--- /dev/null
+++ b/3rdparty/QtPropertyBrowser/src/qtpropertybrowserutils.cpp
@@ -0,0 +1,432 @@
+/****************************************************************************
+**
+** 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