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campo-sirio/libraries/html2pdf/qt/tools/shared/qtpropertybrowser/qtpropertybrowserutils.cpp
Alessandro Bonazzi 8c43d5cf2f Patch level : 12.00 
Files correlati     : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe

Bug                 :

Commento:
Merge 1.0 libraries
2025-04-06 00:42:21 +02:00

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qtpropertybrowserutils_p.h"
#include <QtGui/QApplication>
#include <QtGui/QPainter>
#include <QtGui/QHBoxLayout>
#include <QtGui/QMouseEvent>
#include <QtGui/QCheckBox>
#include <QtGui/QLineEdit>
#include <QtGui/QMenu>
#include <QtCore/QLocale>
QT_BEGIN_NAMESPACE
QtCursorDatabase::QtCursorDatabase()
{
appendCursor(Qt::ArrowCursor, QApplication::translate("QtCursorDatabase", "Arrow", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-arrow.png")));
appendCursor(Qt::UpArrowCursor, QApplication::translate("QtCursorDatabase", "Up Arrow", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-uparrow.png")));
appendCursor(Qt::CrossCursor, QApplication::translate("QtCursorDatabase", "Cross", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-cross.png")));
appendCursor(Qt::WaitCursor, QApplication::translate("QtCursorDatabase", "Wait", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-wait.png")));
appendCursor(Qt::IBeamCursor, QApplication::translate("QtCursorDatabase", "IBeam", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-ibeam.png")));
appendCursor(Qt::SizeVerCursor, QApplication::translate("QtCursorDatabase", "Size Vertical", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizev.png")));
appendCursor(Qt::SizeHorCursor, QApplication::translate("QtCursorDatabase", "Size Horizontal", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeh.png")));
appendCursor(Qt::SizeFDiagCursor, QApplication::translate("QtCursorDatabase", "Size Backslash", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizef.png")));
appendCursor(Qt::SizeBDiagCursor, QApplication::translate("QtCursorDatabase", "Size Slash", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeb.png")));
appendCursor(Qt::SizeAllCursor, QApplication::translate("QtCursorDatabase", "Size All", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeall.png")));
appendCursor(Qt::BlankCursor, QApplication::translate("QtCursorDatabase", "Blank", 0,
QApplication::UnicodeUTF8), QIcon());
appendCursor(Qt::SplitVCursor, QApplication::translate("QtCursorDatabase", "Split Vertical", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-vsplit.png")));
appendCursor(Qt::SplitHCursor, QApplication::translate("QtCursorDatabase", "Split Horizontal", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hsplit.png")));
appendCursor(Qt::PointingHandCursor, QApplication::translate("QtCursorDatabase", "Pointing Hand", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hand.png")));
appendCursor(Qt::ForbiddenCursor, QApplication::translate("QtCursorDatabase", "Forbidden", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-forbidden.png")));
appendCursor(Qt::OpenHandCursor, QApplication::translate("QtCursorDatabase", "Open Hand", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-openhand.png")));
appendCursor(Qt::ClosedHandCursor, QApplication::translate("QtCursorDatabase", "Closed Hand", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-closedhand.png")));
appendCursor(Qt::WhatsThisCursor, QApplication::translate("QtCursorDatabase", "What's This", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-whatsthis.png")));
appendCursor(Qt::BusyCursor, QApplication::translate("QtCursorDatabase", "Busy", 0,
QApplication::UnicodeUTF8), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-busy.png")));
}
void QtCursorDatabase::clear()
{
m_cursorNames.clear();
m_cursorIcons.clear();
m_valueToCursorShape.clear();
m_cursorShapeToValue.clear();
}
void QtCursorDatabase::appendCursor(Qt::CursorShape shape, const QString &name, const QIcon &icon)
{
if (m_cursorShapeToValue.contains(shape))
return;
const int value = m_cursorNames.count();
m_cursorNames.append(name);
m_cursorIcons.insert(value, icon);
m_valueToCursorShape.insert(value, shape);
m_cursorShapeToValue.insert(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, QApplication::UnicodeUTF8)
.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, QApplication::UnicodeUTF8)
.arg(f.family())
.arg(f.pointSize());
}
QString QtPropertyBrowserUtils::dateFormat()
{
QLocale loc;
return loc.dateFormat(QLocale::ShortFormat);
}
QString QtPropertyBrowserUtils::timeFormat()
{
QLocale loc;
// ShortFormat is missing seconds on UNIX.
return loc.timeFormat(QLocale::LongFormat);
}
QString QtPropertyBrowserUtils::dateTimeFormat()
{
QString format = dateFormat();
format += QLatin1Char(' ');
format += timeFormat();
return format;
}
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);
}
}
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);
}
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);
}
QT_END_NAMESPACE
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