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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "customwidgetsinfo.h"
#include "driver.h"
#include "ui4.h"
#include "utils.h"
#include <utility>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
CustomWidgetsInfo::CustomWidgetsInfo() = default;
void CustomWidgetsInfo::acceptUI(DomUI *node)
{
m_customWidgets.clear();
if (node->elementCustomWidgets())
acceptCustomWidgets(node->elementCustomWidgets());
}
void CustomWidgetsInfo::acceptCustomWidgets(DomCustomWidgets *node)
{
TreeWalker::acceptCustomWidgets(node);
}
void CustomWidgetsInfo::acceptCustomWidget(DomCustomWidget *node)
{
if (node->elementClass().isEmpty())
return;
m_customWidgets.insert(node->elementClass(), node);
}
bool CustomWidgetsInfo::extends(const QString &classNameIn, QAnyStringView baseClassName) const
{
if (classNameIn == baseClassName)
return true;
QString className = classNameIn;
while (const DomCustomWidget *c = customWidget(className)) {
const QString extends = c->elementExtends();
if (className == extends) // Faulty legacy custom widget entries exist.
return false;
if (extends == baseClassName)
return true;
className = extends;
}
return false;
}
bool CustomWidgetsInfo::extendsOneOf(const QString &classNameIn,
const QStringList &baseClassNames) const
{
if (baseClassNames.contains(classNameIn))
return true;
QString className = classNameIn;
while (const DomCustomWidget *c = customWidget(className)) {
const QString extends = c->elementExtends();
if (className == extends) // Faulty legacy custom widget entries exist.
return false;
if (baseClassNames.contains(extends))
return true;
className = extends;
}
return false;
}
bool CustomWidgetsInfo::isCustomWidgetContainer(const QString &className) const
{
if (const DomCustomWidget *dcw = m_customWidgets.value(className, nullptr))
if (dcw->hasElementContainer())
return dcw->elementContainer() != 0;
return false;
}
// FIXME in 7.0 - QTBUG-124241
// Remove isAmbiguous logic when widget slots have been disambiguated.
bool CustomWidgetsInfo::isAmbiguous(const QString &className, const QString &signature,
QMetaMethod::MethodType type) const
{
using TypeMap = QHash<QString, QMetaMethod::MethodType>;
struct AmbiguousInClass {
QLatin1StringView className;
TypeMap methodMap;
};
static const QList<AmbiguousInClass> ambiguousList = {
{"QAction"_L1, {{"triggered"_L1, QMetaMethod::Signal}}},
{"QCommandLinkButton"_L1, {{"triggered"_L1, QMetaMethod::Signal},
{"clicked"_L1, QMetaMethod::Signal}}},
{"QPushButton"_L1, {{"triggered"_L1, QMetaMethod::Signal},
{"clicked"_L1, QMetaMethod::Signal}}},
{"QCheckBox"_L1, {{"triggered"_L1, QMetaMethod::Signal},
{"clicked"_L1, QMetaMethod::Signal}}},
{"QRadioButton"_L1, {{"triggered"_L1, QMetaMethod::Signal},
{"clicked"_L1, QMetaMethod::Signal}}},
{"QToolButton"_L1, {{"triggered"_L1, QMetaMethod::Signal},
{"clicked"_L1, QMetaMethod::Signal}}},
{"QLabel"_L1, {{"setNum"_L1, QMetaMethod::Slot}}},
{"QGraphicsView"_L1, {{"invalidateScene"_L1, QMetaMethod::Slot}}},
{"QListView"_L1, {{"dataChanged"_L1, QMetaMethod::Slot}}},
{"QColumnView"_L1, {{"dataChanged"_L1, QMetaMethod::Slot}}},
{"QListWidget"_L1, {{"dataChanged"_L1, QMetaMethod::Slot},
{"scrollToItem"_L1, QMetaMethod::Slot}}},
{"QTableView"_L1, {{"dataChanged"_L1, QMetaMethod::Slot}}},
{"QTableWidget"_L1, {{"dataChanged"_L1, QMetaMethod::Slot},
{"scrollToItem"_L1, QMetaMethod::Slot}}},
{"QTreeView"_L1, {{"dataChanged"_L1, QMetaMethod::Slot},
{"verticalScrollbarValueChanged"_L1, QMetaMethod::Slot},
{"expandRecursively"_L1, QMetaMethod::Slot}}},
{"QTreeWidget"_L1, {{"dataChanged"_L1, QMetaMethod::Slot},
{"verticalScrollbarValueChanged"_L1, QMetaMethod::Slot}
,{"expandRecursively"_L1, QMetaMethod::Slot}
,{"scrollToItem"_L1, QMetaMethod::Slot}}},
{"QUndoView"_L1, {{"dataChanged"_L1, QMetaMethod::Slot}}},
{"QLCDNumber"_L1, {{"display"_L1, QMetaMethod::Slot}}},
{"QMenuBar"_L1, {{"setVisible"_L1, QMetaMethod::Slot}}},
{"QTextBrowser"_L1, {{"setSource"_L1, QMetaMethod::Slot}}},
/*
The following widgets with ambiguities are not used in the widget designer:
{"QSplashScreen"_L1, {{"showMessage"_L1, QMetaMethod::Slot}}},
{"QCompleter"_L1, {{"activated"_L1, QMetaMethod::Signal},
{"highlighted"_L1, QMetaMethod::Signal}}},
{"QSystemTrayIcon"_L1, {{"showMessage"_L1, QMetaMethod::Slot}}},
{"QStyledItemDelegate"_L1, {{"closeEditor"_L1, QMetaMethod::Signal}}},
{"QErrorMessage"_L1, {{"showMessage"_L1, QMetaMethod::Slot}}},
{"QGraphicsDropShadowEffect"_L1, {{"setOffset"_L1, QMetaMethod::Slot}}},
{"QGraphicsScene"_L1, {{"invalidate"_L1, QMetaMethod::Slot}}},
{"QItemDelegate"_L1, {{"closeEditor"_L1, QMetaMethod::Signal}}}
*/
};
for (auto it = ambiguousList.constBegin(); it != ambiguousList.constEnd(); ++it) {
if (extends(className, it->className)) {
const qsizetype pos = signature.indexOf(u'(');
const QString method = signature.left(pos);
const auto methodIterator = it->methodMap.find(method);
return methodIterator != it->methodMap.constEnd() && type == methodIterator.value();
}
}
return false;
}
// Is it ambiguous, resulting in different signals for Python
// "QAbstractButton::clicked(checked=false)"
bool CustomWidgetsInfo::isAmbiguousSignal(const QString &className,
const QString &signalSignature) const
{
return isAmbiguous(className, signalSignature, QMetaMethod::Signal);
}
bool CustomWidgetsInfo::isAmbiguousSlot(const QString &className,
const QString &signalSignature) const
{
return isAmbiguous(className, signalSignature, QMetaMethod::Slot);
}
QString CustomWidgetsInfo::realClassName(const QString &className) const
{
if (className == "Line"_L1)
return u"QFrame"_s;
return className;
}
QString CustomWidgetsInfo::customWidgetAddPageMethod(const QString &name) const
{
if (DomCustomWidget *dcw = m_customWidgets.value(name, nullptr))
return dcw->elementAddPageMethod();
return QString();
}
// add page methods for simple containers taking only the widget parameter
QString CustomWidgetsInfo::simpleContainerAddPageMethod(const QString &name) const
{
using AddPageMethod = std::pair<QString, QString>;
static const AddPageMethod addPageMethods[] = {
{u"QStackedWidget"_s, u"addWidget"_s},
{u"QToolBar"_s, u"addWidget"_s},
{u"QDockWidget"_s, u"setWidget"_s},
{u"QScrollArea"_s, u"setWidget"_s},
{u"QSplitter"_s, u"addWidget"_s},
{u"QMdiArea"_s, u"addSubWindow"_s}
};
for (const auto &m : addPageMethods) {
if (extends(name, m.first))
return m.second;
}
return QString();
}
QT_END_NAMESPACE
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