449 lines
18 KiB
C++
449 lines
18 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 "qdesigner_promotiondialog_p.h"
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#include "promotionmodel_p.h"
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#include "iconloader_p.h"
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#include "widgetdatabase_p.h"
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#include "signalslotdialog_p.h"
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#include <QtDesigner/QDesignerFormEditorInterface>
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#include <QtDesigner/QDesignerFormWindowInterface>
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#include <QtDesigner/QDesignerPromotionInterface>
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#include <QtDesigner/QDesignerWidgetDataBaseItemInterface>
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#include <abstractdialoggui_p.h>
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#include <QtCore/QTimer>
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#include <QtGui/QVBoxLayout>
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#include <QtGui/QHBoxLayout>
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#include <QtGui/QFormLayout>
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#include <QtGui/QDialogButtonBox>
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#include <QtGui/QTreeView>
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#include <QtGui/QHeaderView>
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#include <QtGui/QPushButton>
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#include <QtGui/QItemSelectionModel>
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#include <QtGui/QItemSelection>
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#include <QtGui/QComboBox>
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#include <QtGui/QLineEdit>
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#include <QtGui/QCheckBox>
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#include <QtGui/QRegExpValidator>
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#include <QtGui/QLabel>
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#include <QtGui/QSpacerItem>
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#include <QtGui/QMenu>
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#include <QtGui/QAction>
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QT_BEGIN_NAMESPACE
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namespace qdesigner_internal {
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// PromotionParameters
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struct PromotionParameters {
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QString m_baseClass;
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QString m_className;
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QString m_includeFile;
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};
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// NewPromotedClassPanel
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NewPromotedClassPanel::NewPromotedClassPanel(const QStringList &baseClasses,
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int selectedBaseClass,
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QWidget *parent) :
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QGroupBox(parent),
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m_baseClassCombo(new QComboBox),
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m_classNameEdit(new QLineEdit),
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m_includeFileEdit(new QLineEdit),
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m_globalIncludeCheckBox(new QCheckBox),
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m_addButton(new QPushButton(tr("Add")))
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{
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setTitle(tr("New Promoted Class"));
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
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QHBoxLayout *hboxLayout = new QHBoxLayout(this);
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m_classNameEdit->setValidator(new QRegExpValidator(QRegExp(QLatin1String("[_a-zA-Z:][:_a-zA-Z0-9]*")), m_classNameEdit));
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connect(m_classNameEdit, SIGNAL(textChanged(QString)), this, SLOT(slotNameChanged(QString)));
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connect(m_includeFileEdit, SIGNAL(textChanged(QString)), this, SLOT(slotIncludeFileChanged(QString)));
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m_baseClassCombo->setEditable(false);
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m_baseClassCombo->addItems(baseClasses);
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if (selectedBaseClass != -1)
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m_baseClassCombo->setCurrentIndex(selectedBaseClass);
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// Grid
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QFormLayout *formLayout = new QFormLayout();
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formLayout->addRow(tr("Base class name:"), m_baseClassCombo);
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formLayout->addRow(tr("Promoted class name:"), m_classNameEdit);
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formLayout->addRow(tr("Header file:"), m_includeFileEdit);
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formLayout->addRow(tr("Global include"), m_globalIncludeCheckBox);
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hboxLayout->addLayout(formLayout);
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hboxLayout->addItem(new QSpacerItem(15, 0, QSizePolicy::Fixed, QSizePolicy::Ignored));
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// Button box
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QVBoxLayout *buttonLayout = new QVBoxLayout();
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m_addButton->setAutoDefault(false);
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connect(m_addButton, SIGNAL(clicked()), this, SLOT(slotAdd()));
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m_addButton->setEnabled(false);
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buttonLayout->addWidget(m_addButton);
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QPushButton *resetButton = new QPushButton(tr("Reset"));
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resetButton->setAutoDefault(false);
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connect(resetButton, SIGNAL(clicked()), this, SLOT(slotReset()));
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buttonLayout->addWidget(resetButton);
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buttonLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::Expanding));
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hboxLayout->addLayout(buttonLayout);
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enableButtons();
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}
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void NewPromotedClassPanel::slotAdd() {
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bool ok = false;
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emit newPromotedClass(promotionParameters(), &ok);
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if (ok)
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slotReset();
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}
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void NewPromotedClassPanel::slotReset() {
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const QString empty;
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m_classNameEdit->setText(empty);
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m_includeFileEdit->setText(empty);
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m_globalIncludeCheckBox->setCheckState(Qt::Unchecked);
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}
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void NewPromotedClassPanel::grabFocus() {
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m_classNameEdit->setFocus(Qt::OtherFocusReason);
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}
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void NewPromotedClassPanel::slotNameChanged(const QString &className) {
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// Suggest a name
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if (!className.isEmpty()) {
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QString suggestedHeader = className.toLower().replace(QLatin1String("::"), QString(QLatin1Char('_')));
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suggestedHeader += QLatin1String(".h");
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const bool blocked = m_includeFileEdit->blockSignals(true);
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m_includeFileEdit->setText(suggestedHeader);
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m_includeFileEdit->blockSignals(blocked);
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}
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enableButtons();
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}
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void NewPromotedClassPanel::slotIncludeFileChanged(const QString &){
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enableButtons();
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}
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void NewPromotedClassPanel::enableButtons() {
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const bool enabled = !m_classNameEdit->text().isEmpty() && !m_includeFileEdit->text().isEmpty();
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m_addButton->setEnabled(enabled);
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m_addButton->setDefault(enabled);
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}
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PromotionParameters NewPromotedClassPanel::promotionParameters() const {
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PromotionParameters rc;
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rc.m_baseClass = m_baseClassCombo->currentText();
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rc.m_className = m_classNameEdit->text();
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rc.m_includeFile = buildIncludeFile(m_includeFileEdit->text(),
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m_globalIncludeCheckBox->checkState() == Qt::Checked ? IncludeGlobal : IncludeLocal);
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return rc;
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}
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void NewPromotedClassPanel::chooseBaseClass(const QString &baseClass) {
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const int index = m_baseClassCombo->findText (baseClass);
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if (index != -1)
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m_baseClassCombo->setCurrentIndex (index);
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}
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// --------------- QDesignerPromotionDialog
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QDesignerPromotionDialog::QDesignerPromotionDialog(QDesignerFormEditorInterface *core,
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QWidget *parent,
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const QString &promotableWidgetClassName,
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QString *promoteTo) :
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QDialog(parent),
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m_mode(promotableWidgetClassName.isEmpty() || promoteTo == 0 ? ModeEdit : ModeEditChooseClass),
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m_promotableWidgetClassName(promotableWidgetClassName),
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m_core(core),
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m_promoteTo(promoteTo),
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m_promotion(core->promotion()),
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m_model(new PromotionModel(core)),
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m_treeView(new QTreeView),
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m_buttonBox(0),
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m_removeButton(new QPushButton(createIconSet(QString::fromUtf8("minus.png")), QString()))
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{
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m_buttonBox = createButtonBox();
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setModal(true);
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setWindowTitle(tr("Promoted Widgets"));
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setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
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QVBoxLayout *vboxLayout = new QVBoxLayout(this);
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// tree view group
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QGroupBox *treeViewGroup = new QGroupBox();
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treeViewGroup->setTitle(tr("Promoted Classes"));
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QVBoxLayout *treeViewVBoxLayout = new QVBoxLayout(treeViewGroup);
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// tree view
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m_treeView->setModel (m_model);
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m_treeView->setMinimumWidth(450);
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m_treeView->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(m_treeView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
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this, SLOT(slotSelectionChanged(QItemSelection,QItemSelection)));
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connect(m_treeView, SIGNAL(customContextMenuRequested(QPoint)),
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this, SLOT(slotTreeViewContextMenu(QPoint)));
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QHeaderView *headerView = m_treeView->header();
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headerView->setResizeMode(QHeaderView::ResizeToContents);
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treeViewVBoxLayout->addWidget(m_treeView);
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// remove button
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QHBoxLayout *hboxLayout = new QHBoxLayout();
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hboxLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
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m_removeButton->setAutoDefault(false);
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connect(m_removeButton, SIGNAL(clicked()), this, SLOT(slotRemove()));
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m_removeButton->setEnabled(false);
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hboxLayout->addWidget(m_removeButton);
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treeViewVBoxLayout->addLayout(hboxLayout);
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vboxLayout->addWidget(treeViewGroup);
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// Create new panel: Try to be smart and preselect a base class. Default to QFrame
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const QStringList &baseClassNameList = baseClassNames(m_promotion);
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int preselectedBaseClass = -1;
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if (m_mode == ModeEditChooseClass) {
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preselectedBaseClass = baseClassNameList.indexOf(m_promotableWidgetClassName);
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}
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if (preselectedBaseClass == -1)
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preselectedBaseClass = baseClassNameList.indexOf(QLatin1String("QFrame"));
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NewPromotedClassPanel *newPromotedClassPanel = new NewPromotedClassPanel(baseClassNameList, preselectedBaseClass);
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connect(newPromotedClassPanel, SIGNAL(newPromotedClass(PromotionParameters,bool*)), this, SLOT(slotNewPromotedClass(PromotionParameters,bool*)));
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connect(this, SIGNAL(selectedBaseClassChanged(QString)),
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newPromotedClassPanel, SLOT(chooseBaseClass(QString)));
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vboxLayout->addWidget(newPromotedClassPanel);
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// button box
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vboxLayout->addWidget(m_buttonBox);
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// connect model
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connect(m_model, SIGNAL(includeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString)),
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this, SLOT(slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString)));
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connect(m_model, SIGNAL(classNameChanged(QDesignerWidgetDataBaseItemInterface*,QString)),
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this, SLOT(slotClassNameChanged(QDesignerWidgetDataBaseItemInterface*,QString)));
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// focus
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if (m_mode == ModeEditChooseClass)
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newPromotedClassPanel->grabFocus();
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slotUpdateFromWidgetDatabase();
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}
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QDialogButtonBox *QDesignerPromotionDialog::createButtonBox() {
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QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Close);
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connect(buttonBox , SIGNAL(accepted()), this, SLOT(slotAcceptPromoteTo()));
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buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Promote"));
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buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
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connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject()));
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return buttonBox;
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}
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void QDesignerPromotionDialog::slotUpdateFromWidgetDatabase() {
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m_model->updateFromWidgetDatabase();
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m_treeView->expandAll();
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m_removeButton->setEnabled(false);
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}
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void QDesignerPromotionDialog::delayedUpdateFromWidgetDatabase() {
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QTimer::singleShot(0, this, SLOT(slotUpdateFromWidgetDatabase()));
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}
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const QStringList &QDesignerPromotionDialog::baseClassNames(const QDesignerPromotionInterface *promotion) {
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typedef QList<QDesignerWidgetDataBaseItemInterface *> WidgetDataBaseItemList;
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static QStringList rc;
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if (rc.empty()) {
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// Convert the item list into a string list.
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const WidgetDataBaseItemList dbItems = promotion->promotionBaseClasses();
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const WidgetDataBaseItemList::const_iterator cend = dbItems.constEnd();
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for (WidgetDataBaseItemList::const_iterator it = dbItems.constBegin() ; it != cend; ++it) {
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rc.push_back( (*it)->name());
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}
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}
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return rc;
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}
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void QDesignerPromotionDialog::slotAcceptPromoteTo() {
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Q_ASSERT(m_mode == ModeEditChooseClass);
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unsigned flags;
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// Ok pressed: Promote to selected class
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if (QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags)) {
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if (flags & CanPromote) {
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*m_promoteTo = dbItem ->name();
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accept();
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}
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}
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}
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void QDesignerPromotionDialog::slotRemove() {
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unsigned flags;
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QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
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if (!dbItem || (flags & Referenced))
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return;
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QString errorMessage;
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if (m_promotion->removePromotedClass(dbItem->name(), &errorMessage)) {
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slotUpdateFromWidgetDatabase();
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} else {
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displayError(errorMessage);
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}
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}
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void QDesignerPromotionDialog::slotSelectionChanged(const QItemSelection &selected, const QItemSelection &) {
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// Enable deleting non-referenced items
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unsigned flags;
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const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(selected, flags);
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m_removeButton->setEnabled(dbItem && !(flags & Referenced));
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// In choose mode, can we promote to the class?
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if (m_mode == ModeEditChooseClass) {
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const bool enablePromoted = flags & CanPromote;
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m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enablePromoted);
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m_buttonBox->button(QDialogButtonBox::Ok)->setDefault(enablePromoted);
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}
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|
|
// different base?
|
||
|
|
if (dbItem) {
|
||
|
|
const QString baseClass = dbItem->extends();
|
||
|
|
if (baseClass != m_lastSelectedBaseClass) {
|
||
|
|
m_lastSelectedBaseClass = baseClass;
|
||
|
|
emit selectedBaseClassChanged(m_lastSelectedBaseClass);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QDesignerWidgetDataBaseItemInterface *QDesignerPromotionDialog::databaseItemAt(const QItemSelection &selected, unsigned &flags) const {
|
||
|
|
flags = 0;
|
||
|
|
const QModelIndexList indexes = selected.indexes();
|
||
|
|
if (indexes.empty())
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
bool referenced;
|
||
|
|
QDesignerWidgetDataBaseItemInterface *dbItem = m_model->databaseItemAt(indexes.front(), &referenced);
|
||
|
|
|
||
|
|
if (dbItem) {
|
||
|
|
if (referenced)
|
||
|
|
flags |= Referenced;
|
||
|
|
// In choose mode, can we promote to the class?
|
||
|
|
if (m_mode == ModeEditChooseClass && dbItem && dbItem->isPromoted() && dbItem->extends() == m_promotableWidgetClassName)
|
||
|
|
flags |= CanPromote;
|
||
|
|
|
||
|
|
}
|
||
|
|
return dbItem;
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::slotNewPromotedClass(const PromotionParameters &p, bool *ok) {
|
||
|
|
QString errorMessage;
|
||
|
|
*ok = m_promotion->addPromotedClass(p.m_baseClass, p.m_className, p.m_includeFile, &errorMessage);
|
||
|
|
if (*ok) {
|
||
|
|
// update and select
|
||
|
|
slotUpdateFromWidgetDatabase();
|
||
|
|
const QModelIndex newClassIndex = m_model->indexOfClass(p.m_className);
|
||
|
|
if (newClassIndex.isValid()) {
|
||
|
|
m_treeView->selectionModel()->select(newClassIndex, QItemSelectionModel::SelectCurrent|QItemSelectionModel::Rows);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
displayError(errorMessage);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &includeFile) {
|
||
|
|
if (includeFile.isEmpty()) {
|
||
|
|
delayedUpdateFromWidgetDatabase();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dbItem->includeFile() == includeFile)
|
||
|
|
return;
|
||
|
|
|
||
|
|
QString errorMessage;
|
||
|
|
if (!m_promotion->setPromotedClassIncludeFile(dbItem->name(), includeFile, &errorMessage)) {
|
||
|
|
displayError(errorMessage);
|
||
|
|
delayedUpdateFromWidgetDatabase();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::slotClassNameChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &newName) {
|
||
|
|
if (newName.isEmpty()) {
|
||
|
|
delayedUpdateFromWidgetDatabase();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const QString oldName = dbItem->name();
|
||
|
|
if (newName == oldName)
|
||
|
|
return;
|
||
|
|
|
||
|
|
QString errorMessage;
|
||
|
|
if (!m_promotion->changePromotedClassName(oldName , newName, &errorMessage)) {
|
||
|
|
displayError(errorMessage);
|
||
|
|
delayedUpdateFromWidgetDatabase();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::slotTreeViewContextMenu(const QPoint &pos) {
|
||
|
|
unsigned flags;
|
||
|
|
const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
|
||
|
|
if (!dbItem)
|
||
|
|
return;
|
||
|
|
|
||
|
|
QMenu menu;
|
||
|
|
QAction *signalSlotAction = menu.addAction(tr("Change signals/slots..."));
|
||
|
|
connect(signalSlotAction, SIGNAL(triggered()), this, SLOT(slotEditSignalsSlots()));
|
||
|
|
|
||
|
|
menu.exec(m_treeView->viewport()->mapToGlobal(pos));
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::slotEditSignalsSlots() {
|
||
|
|
unsigned flags;
|
||
|
|
const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
|
||
|
|
if (!dbItem)
|
||
|
|
return;
|
||
|
|
|
||
|
|
SignalSlotDialog::editPromotedClass(m_core, dbItem->name(), this);
|
||
|
|
}
|
||
|
|
|
||
|
|
void QDesignerPromotionDialog::displayError(const QString &message) {
|
||
|
|
m_core->dialogGui()->message(this, QDesignerDialogGuiInterface::PromotionErrorMessage, QMessageBox::Warning,
|
||
|
|
tr("%1 - Error").arg(windowTitle()), message, QMessageBox::Close);
|
||
|
|
}
|
||
|
|
} // namespace qdesigner_internal
|
||
|
|
|
||
|
|
QT_END_NAMESPACE
|