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Diffstat (limited to 'tools/uilib/formbuilder.cpp')
| -rw-r--r-- | tools/uilib/formbuilder.cpp | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/tools/uilib/formbuilder.cpp b/tools/uilib/formbuilder.cpp deleted file mode 100644 index 5e22ddb998..0000000000 --- a/tools/uilib/formbuilder.cpp +++ /dev/null @@ -1,550 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Designer of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "customwidget.h" -#include "formbuilder.h" -#include "formbuilderextra_p.h" -#include "ui4_p.h" - -#include <QtGui/QtGui> -#include <QtWidgets/QtWidgets> -#include <QtCore/QCoreApplication> - -QT_BEGIN_NAMESPACE - -#ifdef QFORMINTERNAL_NAMESPACE -namespace QFormInternal { -#endif - -/*! - \class QFormBuilder - - \brief The QFormBuilder class is used to dynamically construct - user interfaces from UI files at run-time. - - \inmodule QtDesigner - - The QFormBuilder class provides a mechanism for dynamically - creating user interfaces at run-time, based on UI files - created with \QD. For example: - - \snippet doc/src/snippets/code/tools_designer_src_lib_uilib_formbuilder.cpp 0 - - By including the user interface in the example's resources (\c - myForm.qrc), we ensure that it will be present when the example is - run: - - \snippet doc/src/snippets/code/tools_designer_src_lib_uilib_formbuilder.cpp 1 - - QFormBuilder extends the QAbstractFormBuilder base class with a - number of functions that are used to support custom widget - plugins: - - \list - \o pluginPaths() returns the list of paths that the form builder - searches when loading custom widget plugins. - \o addPluginPath() allows additional paths to be registered with - the form builder. - \o setPluginPath() is used to replace the existing list of paths - with a list obtained from some other source. - \o clearPluginPaths() removes all paths registered with the form - builder. - \o customWidgets() returns a list of interfaces to plugins that - can be used to create new instances of registered custom widgets. - \endlist - - The QFormBuilder class is typically used by custom components and - applications that embed \QD. Standalone applications that need to - dynamically generate user interfaces at run-time use the - QUiLoader class, found in the QtUiTools module. - - \sa QAbstractFormBuilder, {QtUiTools Module} -*/ - -/*! - \fn QFormBuilder::QFormBuilder() - - Constructs a new form builder. -*/ - -QFormBuilder::QFormBuilder() -{ -} - -/*! - Destroys the form builder. -*/ -QFormBuilder::~QFormBuilder() -{ -} - -/*! - \internal -*/ -QWidget *QFormBuilder::create(DomWidget *ui_widget, QWidget *parentWidget) -{ - if (!d->parentWidgetIsSet()) - d->setParentWidget(parentWidget); - // Is this a QLayoutWidget with a margin of 0: Not a known page-based - // container and no method for adding pages registered. - d->setProcessingLayoutWidget(false); - if (ui_widget->attributeClass() == QFormBuilderStrings::instance().qWidgetClass && !ui_widget->hasAttributeNative() - && parentWidget -#ifndef QT_NO_MAINWINDOW - && !qobject_cast<QMainWindow *>(parentWidget) -#endif -#ifndef QT_NO_TOOLBOX - && !qobject_cast<QToolBox *>(parentWidget) -#endif -#ifndef QT_NO_STACKEDWIDGET - && !qobject_cast<QStackedWidget *>(parentWidget) -#endif -#ifndef QT_NO_STACKEDWIDGET - && !qobject_cast<QTabWidget *>(parentWidget) -#endif -#ifndef QT_NO_SCROLLAREA - && !qobject_cast<QScrollArea *>(parentWidget) -#endif -#ifndef QT_NO_MDIAREA - && !qobject_cast<QMdiArea *>(parentWidget) -#endif -#ifndef QT_NO_DOCKWIDGET - && !qobject_cast<QDockWidget *>(parentWidget) -#endif - ) { - const QString parentClassName = QLatin1String(parentWidget->metaObject()->className()); - if (!d->isCustomWidgetContainer(parentClassName)) - d->setProcessingLayoutWidget(true); - } - return QAbstractFormBuilder::create(ui_widget, parentWidget); -} - - -/*! - \internal -*/ -QWidget *QFormBuilder::createWidget(const QString &widgetName, QWidget *parentWidget, const QString &name) -{ - if (widgetName.isEmpty()) { - //: Empty class name passed to widget factory method - qWarning() << QCoreApplication::translate("QFormBuilder", "An empty class name was passed on to %1 (object name: '%2').").arg(QString::fromUtf8(Q_FUNC_INFO), name); - return 0; - } - - QWidget *w = 0; - -#ifndef QT_NO_TABWIDGET - if (qobject_cast<QTabWidget*>(parentWidget)) - parentWidget = 0; -#endif -#ifndef QT_NO_STACKEDWIDGET - if (qobject_cast<QStackedWidget*>(parentWidget)) - parentWidget = 0; -#endif -#ifndef QT_NO_TOOLBOX - if (qobject_cast<QToolBox*>(parentWidget)) - parentWidget = 0; -#endif - - // ### special-casing for Line (QFrame) -- fix for 4.2 - do { - if (widgetName == QFormBuilderStrings::instance().lineClass) { - w = new QFrame(parentWidget); - static_cast<QFrame*>(w)->setFrameStyle(QFrame::HLine | QFrame::Sunken); - break; - } - const QByteArray widgetNameBA = widgetName.toUtf8(); - const char *widgetNameC = widgetNameBA.constData(); - if (w) { // symmetry for macro - } - -#define DECLARE_LAYOUT(L, C) -#define DECLARE_COMPAT_WIDGET(W, C) -#define DECLARE_WIDGET(W, C) else if (!qstrcmp(widgetNameC, #W)) { Q_ASSERT(w == 0); w = new W(parentWidget); } -#define DECLARE_WIDGET_1(W, C) else if (!qstrcmp(widgetNameC, #W)) { Q_ASSERT(w == 0); w = new W(0, parentWidget); } - -#include "widgets.table" - -#undef DECLARE_COMPAT_WIDGET -#undef DECLARE_LAYOUT -#undef DECLARE_WIDGET -#undef DECLARE_WIDGET_1 - - if (w) - break; - - // try with a registered custom widget - QDesignerCustomWidgetInterface *factory = d->m_customWidgets.value(widgetName); - if (factory != 0) - w = factory->createWidget(parentWidget); - } while(false); - - if (w == 0) { // Attempt to instantiate base class of promoted/custom widgets - const QString baseClassName = d->customWidgetBaseClass(widgetName); - if (!baseClassName.isEmpty()) { - qWarning() << QCoreApplication::translate("QFormBuilder", "QFormBuilder was unable to create a custom widget of the class '%1'; defaulting to base class '%2'.").arg(widgetName, baseClassName); - return createWidget(baseClassName, parentWidget, name); - } - } - - if (w == 0) { // nothing to do - qWarning() << QCoreApplication::translate("QFormBuilder", "QFormBuilder was unable to create a widget of the class '%1'.").arg(widgetName); - return 0; - } - - w->setObjectName(name); - - if (qobject_cast<QDialog *>(w)) - w->setParent(parentWidget); - - return w; -} - -/*! - \internal -*/ -QLayout *QFormBuilder::createLayout(const QString &layoutName, QObject *parent, const QString &name) -{ - QLayout *l = 0; - - QWidget *parentWidget = qobject_cast<QWidget*>(parent); - QLayout *parentLayout = qobject_cast<QLayout*>(parent); - - Q_ASSERT(parentWidget || parentLayout); - -#define DECLARE_WIDGET(W, C) -#define DECLARE_COMPAT_WIDGET(W, C) - -#define DECLARE_LAYOUT(L, C) \ - if (layoutName == QLatin1String(#L)) { \ - Q_ASSERT(l == 0); \ - l = parentLayout \ - ? new L() \ - : new L(parentWidget); \ - } - -#include "widgets.table" - -#undef DECLARE_LAYOUT -#undef DECLARE_COMPAT_WIDGET -#undef DECLARE_WIDGET - - if (l) { - l->setObjectName(name); - } else { - qWarning() << QCoreApplication::translate("QFormBuilder", "The layout type `%1' is not supported.").arg(layoutName); - } - - return l; -} - -/*! - \internal -*/ -bool QFormBuilder::addItem(DomLayoutItem *ui_item, QLayoutItem *item, QLayout *layout) -{ - return QAbstractFormBuilder::addItem(ui_item, item, layout); -} - -/*! - \internal -*/ -bool QFormBuilder::addItem(DomWidget *ui_widget, QWidget *widget, QWidget *parentWidget) -{ - return QAbstractFormBuilder::addItem(ui_widget, widget, parentWidget); -} - -/*! - \internal -*/ -QWidget *QFormBuilder::widgetByName(QWidget *topLevel, const QString &name) -{ - Q_ASSERT(topLevel); - if (topLevel->objectName() == name) - return topLevel; - - return topLevel->findChild<QWidget*>(name); -} - -static QObject *objectByName(QWidget *topLevel, const QString &name) -{ - Q_ASSERT(topLevel); - if (topLevel->objectName() == name) - return topLevel; - - return topLevel->findChild<QObject*>(name); -} - -/*! - \internal -*/ -void QFormBuilder::createConnections(DomConnections *ui_connections, QWidget *widget) -{ - typedef QList<DomConnection*> DomConnectionList; - Q_ASSERT(widget != 0); - - if (ui_connections == 0) - return; - - const DomConnectionList connections = ui_connections->elementConnection(); - if (!connections.empty()) { - const DomConnectionList::const_iterator cend = connections.constEnd(); - for (DomConnectionList::const_iterator it = connections.constBegin(); it != cend; ++it) { - - QObject *sender = objectByName(widget, (*it)->elementSender()); - QObject *receiver = objectByName(widget, (*it)->elementReceiver()); - if (!sender || !receiver) - continue; - - QByteArray sig = (*it)->elementSignal().toUtf8(); - sig.prepend("2"); - QByteArray sl = (*it)->elementSlot().toUtf8(); - sl.prepend("1"); - QObject::connect(sender, sig, receiver, sl); - } - } -} - -/*! - \internal -*/ -QWidget *QFormBuilder::create(DomUI *ui, QWidget *parentWidget) -{ - return QAbstractFormBuilder::create(ui, parentWidget); -} - -/*! - \internal -*/ -QLayout *QFormBuilder::create(DomLayout *ui_layout, QLayout *layout, QWidget *parentWidget) -{ - // Is this a temporary layout widget used to represent QLayout hierarchies in Designer? - // Set its margins to 0. - bool layoutWidget = d->processingLayoutWidget(); - QLayout *l = QAbstractFormBuilder::create(ui_layout, layout, parentWidget); - if (layoutWidget) { - const QFormBuilderStrings &strings = QFormBuilderStrings::instance(); - int left, top, right, bottom; - left = top = right = bottom = 0; - const DomPropertyHash properties = propertyMap(ui_layout->elementProperty()); - - if (DomProperty *prop = properties.value(strings.leftMarginProperty)) - left = prop->elementNumber(); - - if (DomProperty *prop = properties.value(strings.topMarginProperty)) - top = prop->elementNumber(); - - if (DomProperty *prop = properties.value(strings.rightMarginProperty)) - right = prop->elementNumber(); - - if (DomProperty *prop = properties.value(strings.bottomMarginProperty)) - bottom = prop->elementNumber(); - - l->setContentsMargins(left, top, right, bottom); - d->setProcessingLayoutWidget(false); - } - return l; -} - -/*! - \internal -*/ -QLayoutItem *QFormBuilder::create(DomLayoutItem *ui_layoutItem, QLayout *layout, QWidget *parentWidget) -{ - return QAbstractFormBuilder::create(ui_layoutItem, layout, parentWidget); -} - -/*! - \internal -*/ -QAction *QFormBuilder::create(DomAction *ui_action, QObject *parent) -{ - return QAbstractFormBuilder::create(ui_action, parent); -} - -/*! - \internal -*/ -QActionGroup *QFormBuilder::create(DomActionGroup *ui_action_group, QObject *parent) -{ - return QAbstractFormBuilder::create(ui_action_group, parent); -} - -/*! - Returns the list of paths the form builder searches for plugins. - - \sa addPluginPath() -*/ -QStringList QFormBuilder::pluginPaths() const -{ - return d->m_pluginPaths; -} - -/*! - Clears the list of paths that the form builder uses to search for - custom widget plugins. - - \sa pluginPaths() -*/ -void QFormBuilder::clearPluginPaths() -{ - d->m_pluginPaths.clear(); - updateCustomWidgets(); -} - -/*! - Adds a new plugin path specified by \a pluginPath to the list of - paths that will be searched by the form builder when loading a - custom widget plugin. - - \sa setPluginPath(), clearPluginPaths() -*/ -void QFormBuilder::addPluginPath(const QString &pluginPath) -{ - d->m_pluginPaths.append(pluginPath); - updateCustomWidgets(); -} - -/*! - Sets the list of plugin paths to the list specified by \a pluginPaths. - - \sa addPluginPath() -*/ -void QFormBuilder::setPluginPath(const QStringList &pluginPaths) -{ - d->m_pluginPaths = pluginPaths; - updateCustomWidgets(); -} - -static void insertPlugins(QObject *o, QMap<QString, QDesignerCustomWidgetInterface*> *customWidgets) -{ - // step 1) try with a normal plugin - if (QDesignerCustomWidgetInterface *iface = qobject_cast<QDesignerCustomWidgetInterface *>(o)) { - customWidgets->insert(iface->name(), iface); - return; - } - // step 2) try with a collection of plugins - if (QDesignerCustomWidgetCollectionInterface *c = qobject_cast<QDesignerCustomWidgetCollectionInterface *>(o)) { - foreach (QDesignerCustomWidgetInterface *iface, c->customWidgets()) - customWidgets->insert(iface->name(), iface); - } -} - -/*! - \internal -*/ -void QFormBuilder::updateCustomWidgets() -{ - d->m_customWidgets.clear(); - - foreach (const QString &path, d->m_pluginPaths) { - const QDir dir(path); - const QStringList candidates = dir.entryList(QDir::Files); - - foreach (const QString &plugin, candidates) { - if (!QLibrary::isLibrary(plugin)) - continue; - - QString loaderPath = path; - loaderPath += QLatin1Char('/'); - loaderPath += plugin; - - QPluginLoader loader(loaderPath); - if (loader.load()) - insertPlugins(loader.instance(), &d->m_customWidgets); - } - } - // Check statically linked plugins - const QObjectList staticPlugins = QPluginLoader::staticInstances(); - if (!staticPlugins.empty()) - foreach (QObject *o, staticPlugins) - insertPlugins(o, &d->m_customWidgets); -} - -/*! - \fn QList<QDesignerCustomWidgetInterface*> QFormBuilder::customWidgets() const - - Returns a list of the available plugins. -*/ -QList<QDesignerCustomWidgetInterface*> QFormBuilder::customWidgets() const -{ - return d->m_customWidgets.values(); -} - -/*! - \internal -*/ - -void QFormBuilder::applyProperties(QObject *o, const QList<DomProperty*> &properties) -{ - typedef QList<DomProperty*> DomPropertyList; - - if (properties.empty()) - return; - - const QFormBuilderStrings &strings = QFormBuilderStrings::instance(); - - const DomPropertyList::const_iterator cend = properties.constEnd(); - for (DomPropertyList::const_iterator it = properties.constBegin(); it != cend; ++it) { - const QVariant v = toVariant(o->metaObject(), *it); - if (v.isNull()) - continue; - - const QString attributeName = (*it)->attributeName(); - const bool isWidget = o->isWidgetType(); - if (isWidget && o->parent() == d->parentWidget() && attributeName == strings.geometryProperty) { - // apply only the size part of a geometry for the root widget - static_cast<QWidget*>(o)->resize(qvariant_cast<QRect>(v).size()); - } else if (d->applyPropertyInternally(o, attributeName, v)) { - } else if (isWidget && !qstrcmp("QFrame", o->metaObject()->className ()) && attributeName == strings.orientationProperty) { - // ### special-casing for Line (QFrame) -- try to fix me - o->setProperty("frameShape", v); // v is of QFrame::Shape enum - } else { - o->setProperty(attributeName.toUtf8(), v); - } - } -} - -#ifdef QFORMINTERNAL_NAMESPACE -} // namespace QFormInternal -#endif - -QT_END_NAMESPACE |