419 lines
15 KiB
C++
419 lines
15 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qsimpleresource_p.h"
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#include "widgetfactory_p.h"
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#include "widgetdatabase_p.h"
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#include <formscriptrunner_p.h>
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#include <properties_p.h>
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#include <ui4_p.h>
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#include <QtDesigner/QDesignerFormEditorInterface>
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#include <QtDesigner/QDesignerLanguageExtension>
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#include <script_p.h>
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#include <QtDesigner/QExtensionManager>
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#include <QtDesigner/QDesignerCustomWidgetInterface>
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#include <QtDesigner/extrainfo.h>
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#include <QtGui/QIcon>
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#include <QtGui/QWidget>
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#include <QtGui/QAction>
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#include <QtCore/QDebug>
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#include <QtCore/QCoreApplication>
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QT_BEGIN_NAMESPACE
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namespace {
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typedef QList<DomWidgetData*> DomWidgetDataList;
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typedef QList<DomProperty*> DomPropertyList;
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typedef QList<QDesignerCustomWidgetInterface *> CustomWidgetInterfaces;
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}
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namespace qdesigner_internal {
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bool QSimpleResource::m_warningsEnabled = true;
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QSimpleResource::QSimpleResource(QDesignerFormEditorInterface *core) :
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QAbstractFormBuilder(),
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m_core(core)
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{
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QString workingDirectory = QDir::homePath();
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workingDirectory += QDir::separator();
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workingDirectory += QLatin1String(".designer");
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setWorkingDirectory(QDir(workingDirectory));
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#ifndef QT_FORMBUILDER_NO_SCRIPT
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// Disable scripting in the editors.
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formScriptRunner()-> setOptions(QFormScriptRunner::DisableScripts);
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#endif
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}
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QSimpleResource::~QSimpleResource()
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{
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}
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QBrush QSimpleResource::setupBrush(DomBrush *brush)
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{
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return QAbstractFormBuilder::setupBrush(brush);
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}
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DomBrush *QSimpleResource::saveBrush(const QBrush &brush)
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{
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return QAbstractFormBuilder::saveBrush(brush);
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}
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QIcon QSimpleResource::nameToIcon(const QString &filePath, const QString &qrcPath)
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{
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Q_UNUSED(filePath)
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Q_UNUSED(qrcPath)
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qWarning() << "QSimpleResource::nameToIcon() is obsoleted";
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return QIcon();
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}
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QString QSimpleResource::iconToFilePath(const QIcon &pm) const
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{
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Q_UNUSED(pm)
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qWarning() << "QSimpleResource::iconToFilePath() is obsoleted";
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return QString();
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}
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QString QSimpleResource::iconToQrcPath(const QIcon &pm) const
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{
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Q_UNUSED(pm)
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qWarning() << "QSimpleResource::iconToQrcPath() is obsoleted";
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return QString();
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}
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QPixmap QSimpleResource::nameToPixmap(const QString &filePath, const QString &qrcPath)
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{
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Q_UNUSED(filePath)
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Q_UNUSED(qrcPath)
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qWarning() << "QSimpleResource::nameToPixmap() is obsoleted";
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return QPixmap();
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}
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QString QSimpleResource::pixmapToFilePath(const QPixmap &pm) const
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{
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Q_UNUSED(pm)
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qWarning() << "QSimpleResource::pixmapToFilePath() is obsoleted";
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return QString();
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}
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QString QSimpleResource::pixmapToQrcPath(const QPixmap &pm) const
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{
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Q_UNUSED(pm)
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qWarning() << "QSimpleResource::pixmapToQrcPath() is obsoleted";
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return QString();
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}
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DomScript *QSimpleResource::createScript(const QString &script, ScriptSource source)
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{
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if (script.isEmpty())
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return 0;
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DomScript *domScript = new DomScript();
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switch (source) {
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case ScriptExtension:
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domScript->setAttributeSource(QLatin1String("extension"));
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break;
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case ScriptDesigner:
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domScript->setAttributeSource(QLatin1String("designer"));
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break;
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case ScriptCustomWidgetPlugin:
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domScript->setAttributeSource(QLatin1String("customwidgetplugin"));
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break;
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}
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domScript->setAttributeLanguage(QLatin1String("Qt Script"));
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domScript->setText(script);
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return domScript;
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}
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// Add a script to a list of DomScripts unless empty
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void QSimpleResource::addScript(const QString &script, ScriptSource source, DomScripts &domScripts)
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{
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if (DomScript *domScript = createScript(script, source)) {
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domScripts += domScript;
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}
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}
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void QSimpleResource::addExtensionDataToDOM(QAbstractFormBuilder *afb,
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QDesignerFormEditorInterface *core,
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DomWidget *ui_widget, QWidget *widget)
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{
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QExtensionManager *emgr = core->extensionManager();
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if (QDesignerExtraInfoExtension *extra = qt_extension<QDesignerExtraInfoExtension*>(emgr, widget)) {
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extra->saveWidgetExtraInfo(ui_widget);
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}
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if (QDesignerScriptExtension *scriptExt = qt_extension<QDesignerScriptExtension*>(emgr, widget)) {
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// Add internal state
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const QVariantMap data = scriptExt->data();
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if (!data.empty()) {
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// Convert the map to a DomState.
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// We pass on the widget for property introspection. Thus, non-designable properties
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// that have to be converted using QMetaObject (enums and the like) will work.
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DomPropertyList properties;
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const QVariantMap::const_iterator vcend = data.constEnd();
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for (QVariantMap::const_iterator it = data.constBegin(); it != vcend; ++it) {
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if (DomProperty *prop = variantToDomProperty(afb, widget->metaObject(), it.key(), it.value()))
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properties += prop;
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}
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if (!properties.empty()) {
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DomWidgetData *domData = new DomWidgetData;
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domData->setElementProperty(properties);
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DomWidgetDataList domDataList;
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domDataList += domData;
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ui_widget->setElementWidgetData(domDataList);
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}
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}
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// Add script
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const QString script = scriptExt->script();
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if (!script.isEmpty()) {
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DomScripts domScripts = ui_widget->elementScript();
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addScript(script, ScriptExtension, domScripts);
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ui_widget->setElementScript(domScripts);
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}
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}
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}
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void QSimpleResource::applyExtensionDataFromDOM(QAbstractFormBuilder *afb,
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QDesignerFormEditorInterface *core,
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DomWidget *ui_widget, QWidget *widget, bool applyState)
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{
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QExtensionManager *emgr = core->extensionManager();
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if (QDesignerExtraInfoExtension *extra = qt_extension<QDesignerExtraInfoExtension*>(emgr, widget)) {
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extra->loadWidgetExtraInfo(ui_widget);
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}
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if (applyState) {
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if (QDesignerScriptExtension *scriptExt = qt_extension<QDesignerScriptExtension*>(emgr, widget)) {
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// Apply the state.
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// We pass on the widget for property introspection. Thus, non-designable properties
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// that have to be converted using QMetaObject (enums and the like) will work.
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QVariantMap data;
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DomWidgetDataList domDataList = ui_widget->elementWidgetData();
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if (!domDataList.empty()) {
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foreach (const DomWidgetData *domData, domDataList) {
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const DomPropertyList properties = domData->elementProperty();
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foreach(const DomProperty *prop, properties) {
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const QVariant vprop = domPropertyToVariant(afb, widget->metaObject(), prop);
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if (vprop.type() != QVariant::Invalid)
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data.insert(prop->attributeName(), vprop);
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}
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}
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}
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scriptExt->setData(data);
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}
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}
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}
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QString QSimpleResource::customWidgetScript(QDesignerFormEditorInterface *core, QObject *object)
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{
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return customWidgetScript(core, qdesigner_internal::WidgetFactory::classNameOf(core, object));
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}
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bool QSimpleResource::hasCustomWidgetScript(QDesignerFormEditorInterface *, QObject *)
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{
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return false;
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}
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QString QSimpleResource::customWidgetScript(QDesignerFormEditorInterface *, const QString &)
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{
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return QString();
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}
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bool QSimpleResource::setWarningsEnabled(bool warningsEnabled)
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{
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const bool rc = m_warningsEnabled;
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m_warningsEnabled = warningsEnabled;
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return rc;
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}
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bool QSimpleResource::warningsEnabled()
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{
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return m_warningsEnabled;
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}
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// Custom widgets handling helpers
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// Add unique fake slots and signals to lists
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bool QSimpleResource::addFakeMethods(const DomSlots *domSlots, QStringList &fakeSlots, QStringList &fakeSignals)
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{
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if (!domSlots)
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return false;
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bool rc = false;
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foreach (const QString &fakeSlot, domSlots->elementSlot())
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if (fakeSlots.indexOf(fakeSlot) == -1) {
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fakeSlots += fakeSlot;
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rc = true;
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}
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foreach (const QString &fakeSignal, domSlots->elementSignal())
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if (fakeSignals.indexOf(fakeSignal) == -1) {
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fakeSignals += fakeSignal;
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rc = true;
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}
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return rc;
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}
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void QSimpleResource::addFakeMethodsToWidgetDataBase(const DomCustomWidget *domCustomWidget, WidgetDataBaseItem *item)
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{
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const DomSlots *domSlots = domCustomWidget->elementSlots();
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if (!domSlots)
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return;
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// Merge in new slots, signals
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QStringList fakeSlots = item->fakeSlots();
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QStringList fakeSignals = item->fakeSignals();
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if (addFakeMethods(domSlots, fakeSlots, fakeSignals)) {
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item->setFakeSlots(fakeSlots);
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item->setFakeSignals(fakeSignals);
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}
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}
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// Perform one iteration of adding the custom widgets to the database,
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// looking up the base class and inheriting its data.
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// Remove the succeeded custom widgets from the list.
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// Classes whose base class could not be found are left in the list.
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void QSimpleResource::addCustomWidgetsToWidgetDatabase(const QDesignerFormEditorInterface *core,
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QList<DomCustomWidget*>& custom_widget_list)
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{
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QDesignerWidgetDataBaseInterface *db = core->widgetDataBase();
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for (int i=0; i < custom_widget_list.size(); ) {
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bool classInserted = false;
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DomCustomWidget *custom_widget = custom_widget_list[i];
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const QString customClassName = custom_widget->elementClass();
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const QString base_class = custom_widget->elementExtends();
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QString includeFile;
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IncludeType includeType = IncludeLocal;
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if (const DomHeader *header = custom_widget->elementHeader()) {
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includeFile = header->text();
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if (header->hasAttributeLocation() && header->attributeLocation() == QLatin1String("global"))
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includeType = IncludeGlobal;
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}
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const bool domIsContainer = custom_widget->elementContainer();
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// Append a new item
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if (base_class.isEmpty()) {
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WidgetDataBaseItem *item = new WidgetDataBaseItem(customClassName);
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item->setPromoted(false);
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item->setGroup(QCoreApplication::translate("Designer", "Custom Widgets"));
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item->setIncludeFile(buildIncludeFile(includeFile, includeType));
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item->setContainer(domIsContainer);
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item->setCustom(true);
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addFakeMethodsToWidgetDataBase(custom_widget, item);
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db->append(item);
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custom_widget_list.removeAt(i);
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classInserted = true;
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} else {
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// Create a new entry cloned from base class. Note that this will ignore existing
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// classes, eg, plugin custom widgets.
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QDesignerWidgetDataBaseItemInterface *item =
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appendDerived(db, customClassName, QCoreApplication::translate("Designer", "Promoted Widgets"),
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base_class,
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buildIncludeFile(includeFile, includeType),
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true,true);
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// Ok, base class found.
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if (item) {
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// Hack to accommodate for old UI-files in which "container" is not set properly:
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// Apply "container" from DOM only if true (else, eg classes from QFrame might not accept
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// dropping child widgets on them as container=false). This also allows for
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// QWidget-derived stacked pages.
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if (domIsContainer)
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item->setContainer(domIsContainer);
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addFakeMethodsToWidgetDataBase(custom_widget, static_cast<WidgetDataBaseItem*>(item));
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custom_widget_list.removeAt(i);
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classInserted = true;
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}
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||
|
|
}
|
||
|
|
// Skip failed item.
|
||
|
|
if (!classInserted)
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void QSimpleResource::handleDomCustomWidgets(const QDesignerFormEditorInterface *core,
|
||
|
|
const DomCustomWidgets *dom_custom_widgets)
|
||
|
|
{
|
||
|
|
if (dom_custom_widgets == 0)
|
||
|
|
return;
|
||
|
|
QList<DomCustomWidget*> custom_widget_list = dom_custom_widgets->elementCustomWidget();
|
||
|
|
// Attempt to insert each item derived from its base class.
|
||
|
|
// This should at most require two iterations in the event that the classes are out of order
|
||
|
|
// (derived first, max depth: promoted custom plugin = 2)
|
||
|
|
for (int iteration = 0; iteration < 2; iteration++) {
|
||
|
|
addCustomWidgetsToWidgetDatabase(core, custom_widget_list);
|
||
|
|
if (custom_widget_list.empty())
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// Oops, there are classes left whose base class could not be found.
|
||
|
|
// Default them to QWidget with warnings.
|
||
|
|
const QString fallBackBaseClass = QLatin1String("QWidget");
|
||
|
|
for (int i=0; i < custom_widget_list.size(); i++ ) {
|
||
|
|
DomCustomWidget *custom_widget = custom_widget_list[i];
|
||
|
|
const QString customClassName = custom_widget->elementClass();
|
||
|
|
const QString base_class = custom_widget->elementExtends();
|
||
|
|
qDebug() << "** WARNING The base class " << base_class << " of the custom widget class " << customClassName
|
||
|
|
<< " could not be found. Defaulting to " << fallBackBaseClass << '.';
|
||
|
|
custom_widget->setElementExtends(fallBackBaseClass);
|
||
|
|
}
|
||
|
|
// One more pass.
|
||
|
|
addCustomWidgetsToWidgetDatabase(core, custom_widget_list);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------ FormBuilderClipboard
|
||
|
|
|
||
|
|
FormBuilderClipboard::FormBuilderClipboard(QWidget *w)
|
||
|
|
{
|
||
|
|
m_widgets += w;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool FormBuilderClipboard::empty() const
|
||
|
|
{
|
||
|
|
return m_widgets.empty() && m_actions.empty();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QT_END_NAMESPACE
|