Remove the regexp example

Change-Id: I113a8f4c8ba401443aab2347211b3782e99c9cf4
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>

9 files changed, 18 insertions, 436 deletions

diff --git a/examples/widgets/doc/src/regexp.qdoc b/examples/widgets/doc/src/regexp.qdoc
deleted file mode 100644
index f8e95c72a4..0000000000
--- a/examples/widgets/doc/src/regexp.qdoc
+++ /dev/null
@@ -1,38 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:FDL$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Free Documentation License Usage
-** Alternatively, this file may be used under the terms of the GNU Free
-** Documentation License version 1.3 as published by the Free Software
-** Foundation and appearing in the file included in the packaging of
-** this file. Please review the following information to ensure
-** the GNU Free Documentation License version 1.3 requirements
-** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-/*!
-    \example tools/regexp
-    \title Regular Expressions Example
-    \ingroup examples-widgets-tools
-
-    \brief The Regular Expressions (RegExp) example shows how regular expressions in Qt are
-    applied to text by providing an environment in which new regular expressions can be
-    created and tested on custom text strings.
-
-    \image regexp-example.png
-*/
diff --git a/examples/widgets/tools/.prev_CMakeLists.txt b/examples/widgets/tools/.prev_CMakeLists.txt
new file mode 100644
index 0000000000..d2fe6aa5ca
--- /dev/null
+++ b/examples/widgets/tools/.prev_CMakeLists.txt
@@ -0,0 +1,18 @@
+# Generated from tools.pro.
+
+add_subdirectory(codecs)
+add_subdirectory(completer)
+add_subdirectory(customcompleter)
+add_subdirectory(regularexpression)
+add_subdirectory(settingseditor)
+add_subdirectory(styleplugin)
+add_subdirectory(treemodelcompleter)
+add_subdirectory(undo)
+add_subdirectory(undoframework)
+if(QT_FEATURE_library)
+    add_subdirectory(echoplugin)
+    add_subdirectory(plugandpaint)
+endif()
+if(QT_FEATURE_translation)
+    add_subdirectory(i18n)
+endif()
diff --git a/examples/widgets/tools/CMakeLists.txt b/examples/widgets/tools/CMakeLists.txt
index 042f751b0f..3346cafe09 100644
--- a/examples/widgets/tools/CMakeLists.txt
+++ b/examples/widgets/tools/CMakeLists.txt
@@ -6,7 +6,6 @@ add_subdirectory(customcompleter)
 if(QT_FEATURE_translation) # special case
     add_subdirectory(i18n)
 endif()
-add_subdirectory(regexp)
 add_subdirectory(regularexpression)
 add_subdirectory(settingseditor)
 add_subdirectory(styleplugin)
diff --git a/examples/widgets/tools/regexp/CMakeLists.txt b/examples/widgets/tools/regexp/CMakeLists.txt
deleted file mode 100644
index 7c0ca31c39..0000000000
--- a/examples/widgets/tools/regexp/CMakeLists.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-# Generated from regexp.pro.
-
-cmake_minimum_required(VERSION 3.14)
-project(regexp LANGUAGES CXX)
-
-set(CMAKE_INCLUDE_CURRENT_DIR ON)
-
-set(CMAKE_AUTOMOC ON)
-set(CMAKE_AUTORCC ON)
-set(CMAKE_AUTOUIC ON)
-
-set(INSTALL_EXAMPLEDIR "examples/widgets/tools/regexp")
-
-find_package(Qt6 COMPONENTS Core)
-find_package(Qt6 COMPONENTS Gui)
-find_package(Qt6 COMPONENTS Widgets)
-
-add_qt_gui_executable(regexp
-    main.cpp
-    regexpdialog.cpp regexpdialog.h
-)
-target_link_libraries(regexp PUBLIC
-    Qt::Core
-    Qt::Gui
-    Qt::Widgets
-)
-
-install(TARGETS regexp
-    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
-    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
-    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
-)
diff --git a/examples/widgets/tools/regexp/main.cpp b/examples/widgets/tools/regexp/main.cpp
deleted file mode 100644
index cbab3c326e..0000000000
--- a/examples/widgets/tools/regexp/main.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QApplication>
-
-#include "regexpdialog.h"
-
-int main(int argc, char *argv[])
-{
-    QApplication app(argc, argv);
-    RegExpDialog dialog;
-    dialog.show();
-    return app.exec();
-}
diff --git a/examples/widgets/tools/regexp/regexp.pro b/examples/widgets/tools/regexp/regexp.pro
deleted file mode 100644
index a4c2971c25..0000000000
--- a/examples/widgets/tools/regexp/regexp.pro
+++ /dev/null
@@ -1,10 +0,0 @@
-QT += widgets
-requires(qtConfig(combobox))
-
-HEADERS       = regexpdialog.h
-SOURCES       = regexpdialog.cpp \
-                main.cpp
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/regexp
-INSTALLS += target
diff --git a/examples/widgets/tools/regexp/regexpdialog.cpp b/examples/widgets/tools/regexp/regexpdialog.cpp
deleted file mode 100644
index e70bb7a530..0000000000
--- a/examples/widgets/tools/regexp/regexpdialog.cpp
+++ /dev/null
@@ -1,198 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtWidgets>
-
-#include "regexpdialog.h"
-
-RegExpDialog::RegExpDialog(QWidget *parent)
-    : QDialog(parent)
-{
-    patternComboBox = new QComboBox;
-    patternComboBox->setEditable(true);
-    patternComboBox->setSizePolicy(QSizePolicy::Expanding,
-                                   QSizePolicy::Preferred);
-
-    patternLabel = new QLabel(tr("&Pattern:"));
-    patternLabel->setBuddy(patternComboBox);
-
-    escapedPatternLineEdit = new QLineEdit;
-    escapedPatternLineEdit->setReadOnly(true);
-    QPalette palette = escapedPatternLineEdit->palette();
-    palette.setBrush(QPalette::Base,
-                     palette.brush(QPalette::Disabled, QPalette::Base));
-    escapedPatternLineEdit->setPalette(palette);
-
-    escapedPatternLabel = new QLabel(tr("&Escaped Pattern:"));
-    escapedPatternLabel->setBuddy(escapedPatternLineEdit);
-
-    syntaxComboBox = new QComboBox;
-    syntaxComboBox->addItem(tr("Regular expression v1"), QRegExp::RegExp);
-    syntaxComboBox->addItem(tr("Regular expression v2"), QRegExp::RegExp2);
-    syntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
-    syntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
-    syntaxComboBox->addItem(tr("W3C Xml Schema 1.1"), QRegExp::W3CXmlSchema11);
-
-    syntaxLabel = new QLabel(tr("&Pattern Syntax:"));
-    syntaxLabel->setBuddy(syntaxComboBox);
-
-    textComboBox = new QComboBox;
-    textComboBox->setEditable(true);
-    textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
-
-    textLabel = new QLabel(tr("&Text:"));
-    textLabel->setBuddy(textComboBox);
-
-    caseSensitiveCheckBox = new QCheckBox(tr("Case &Sensitive"));
-    caseSensitiveCheckBox->setChecked(true);
-    minimalCheckBox = new QCheckBox(tr("&Minimal"));
-
-    indexLabel = new QLabel(tr("Index of Match:"));
-    indexEdit = new QLineEdit;
-    indexEdit->setReadOnly(true);
-
-    matchedLengthLabel = new QLabel(tr("Matched Length:"));
-    matchedLengthEdit = new QLineEdit;
-    matchedLengthEdit->setReadOnly(true);
-
-    for (int i = 0; i < MaxCaptures; ++i) {
-        captureLabels[i] = new QLabel(tr("Capture %1:").arg(i));
-        captureEdits[i] = new QLineEdit;
-        captureEdits[i]->setReadOnly(true);
-    }
-    captureLabels[0]->setText(tr("Match:"));
-
-    QHBoxLayout *checkBoxLayout = new QHBoxLayout;
-    checkBoxLayout->addWidget(caseSensitiveCheckBox);
-    checkBoxLayout->addWidget(minimalCheckBox);
-    checkBoxLayout->addStretch(1);
-
-    QGridLayout *mainLayout = new QGridLayout;
-    mainLayout->addWidget(patternLabel, 0, 0);
-    mainLayout->addWidget(patternComboBox, 0, 1);
-    mainLayout->addWidget(escapedPatternLabel, 1, 0);
-    mainLayout->addWidget(escapedPatternLineEdit, 1, 1);
-    mainLayout->addWidget(syntaxLabel, 2, 0);
-    mainLayout->addWidget(syntaxComboBox, 2, 1);
-    mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
-    mainLayout->addWidget(textLabel, 4, 0);
-    mainLayout->addWidget(textComboBox, 4, 1);
-    mainLayout->addWidget(indexLabel, 5, 0);
-    mainLayout->addWidget(indexEdit, 5, 1);
-    mainLayout->addWidget(matchedLengthLabel, 6, 0);
-    mainLayout->addWidget(matchedLengthEdit, 6, 1);
-
-    for (int j = 0; j < MaxCaptures; ++j) {
-        mainLayout->addWidget(captureLabels[j], 7 + j, 0);
-        mainLayout->addWidget(captureEdits[j], 7 + j, 1);
-    }
-    setLayout(mainLayout);
-
-    connect(patternComboBox, &QComboBox::editTextChanged,
-            this, &RegExpDialog::refresh);
-    connect(textComboBox, &QComboBox::editTextChanged,
-            this, &RegExpDialog::refresh);
-    connect(caseSensitiveCheckBox, &QAbstractButton::toggled,
-            this, &RegExpDialog::refresh);
-    connect(minimalCheckBox, &QAbstractButton::toggled, this, &RegExpDialog::refresh);
-    connect(syntaxComboBox, &QComboBox::currentIndexChanged,
-            this, &RegExpDialog::refresh);
-
-    patternComboBox->addItem(tr("[A-Za-z_]+([A-Za-z_0-9]*)"));
-    textComboBox->addItem(tr("(10 + delta4) * 32"));
-
-    setWindowTitle(tr("RegExp"));
-    setFixedHeight(sizeHint().height());
-    refresh();
-}
-
-void RegExpDialog::refresh()
-{
-    setUpdatesEnabled(false);
-
-    QString pattern = patternComboBox->currentText();
-    QString text = textComboBox->currentText();
-
-    QString escaped = pattern;
-    escaped.replace("\\", "\\\\");
-    escaped.replace("\"", "\\\"");
-    escaped.prepend('"');
-    escaped.append('"');
-    escapedPatternLineEdit->setText(escaped);
-
-    QRegExp rx(pattern);
-    Qt::CaseSensitivity cs = Qt::CaseInsensitive;
-    if (caseSensitiveCheckBox->isChecked())
-        cs = Qt::CaseSensitive;
-    rx.setCaseSensitivity(cs);
-    rx.setMinimal(minimalCheckBox->isChecked());
-    QRegExp::PatternSyntax syntax = QRegExp::PatternSyntax(
-            syntaxComboBox->itemData(syntaxComboBox->currentIndex()).toInt());
-    rx.setPatternSyntax(syntax);
-
-    QPalette palette = patternComboBox->palette();
-    if (rx.isValid()) {
-        palette.setColor(QPalette::Text,
-                         textComboBox->palette().color(QPalette::Text));
-    } else {
-        palette.setColor(QPalette::Text, Qt::red);
-    }
-    patternComboBox->setPalette(palette);
-
-    indexEdit->setText(QString::number(rx.indexIn(text)));
-    matchedLengthEdit->setText(QString::number(rx.matchedLength()));
-    for (int i = 0; i < MaxCaptures; ++i) {
-        captureLabels[i]->setEnabled(i <= rx.captureCount());
-        captureEdits[i]->setEnabled(i <= rx.captureCount());
-        captureEdits[i]->setText(rx.cap(i));
-    }
-
-    setUpdatesEnabled(true);
-}
diff --git a/examples/widgets/tools/regexp/regexpdialog.h b/examples/widgets/tools/regexp/regexpdialog.h
deleted file mode 100644
index 2f701a7228..0000000000
--- a/examples/widgets/tools/regexp/regexpdialog.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef REGEXPDIALOG_H
-#define REGEXPDIALOG_H
-
-#include <QDialog>
-
-QT_BEGIN_NAMESPACE
-class QCheckBox;
-class QComboBox;
-class QLabel;
-class QLineEdit;
-QT_END_NAMESPACE
-
-class RegExpDialog : public QDialog
-{
-    Q_OBJECT
-
-public:
-    RegExpDialog(QWidget *parent = nullptr);
-
-private slots:
-    void refresh();
-
-private:
-    QLabel *patternLabel;
-    QLabel *escapedPatternLabel;
-    QLabel *syntaxLabel;
-    QLabel *textLabel;
-    QComboBox *patternComboBox;
-    QLineEdit *escapedPatternLineEdit;
-    QComboBox *textComboBox;
-    QCheckBox *caseSensitiveCheckBox;
-    QCheckBox *minimalCheckBox;
-    QComboBox *syntaxComboBox;
-
-    QLabel *indexLabel;
-    QLabel *matchedLengthLabel;
-    QLineEdit *indexEdit;
-    QLineEdit *matchedLengthEdit;
-
-    enum { MaxCaptures = 6 };
-    QLabel *captureLabels[MaxCaptures];
-    QLineEdit *captureEdits[MaxCaptures];
-};
-
-#endif
diff --git a/examples/widgets/tools/tools.pro b/examples/widgets/tools/tools.pro
index dd8401567b..0e572a632b 100644
--- a/examples/widgets/tools/tools.pro
+++ b/examples/widgets/tools/tools.pro
@@ -6,7 +6,6 @@ SUBDIRS       = \
                 echoplugin \
                 i18n \
                 plugandpaint \
-                regexp \
                 regularexpression \
                 settingseditor \
                 styleplugin \