ManhattanStyle: Add a manual test program for style development

Just a small tool for a fast overview. Actual fixes to the Manhattan
style follow later.

Task-number: QTCREATORBUG-23505
Change-Id: Iffd0db42d379c81c4e07e71919723cd6d684b514
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

tests/manual/widgets/CMakeLists.txt

@@ -1,2 +1,3 @@
 add_subdirectory(crumblepath)
 add_subdirectory(infolabel)
+add_subdirectory(manhattanstyle)

tests/manual/widgets/manhattanstyle/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_qtc_executable(tst_manual_widgets_manhattanstyle
+  DEPENDS Qt5::Gui Utils Core
+  SOURCES
+    tst_manual_widgets_manhattanstyle.cpp
+    ../common/themeselector.cpp ../common/themeselector.h
+    ../common/themes.qrc
+)

tests/manual/widgets/manhattanstyle/tst_manual_widgets_manhattanstyle.cpp

@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include <QApplication>
+#include <QPushButton>
+#include <QCheckBox>
+#include <QRadioButton>
+#include <QGroupBox>
+#include <QComboBox>
+#include <QLineEdit>
+#include <QFormLayout>
+#include <QLayout>
+#include <QListWidget>
+#include <QMenuBar>
+#include <QMenu>
+#include <QMainWindow>
+#include <QMessageBox>
+#include <QScrollBar>
+#include <QSettings>
+#include <QSpinBox>
+
+#include <utils/utilsicons.h>
+#include <utils/fancylineedit.h>
+#include <utils/styledbar.h>
+
+#include "../common/themeselector.h"
+
+static void addMenu(QMenuBar *root)
+{
+    QMenu *fileMenu = root->addMenu("&File");
+    fileMenu->addAction(Utils::Icons::NEWFILE.icon(), "&New File or Project...");
+    QMenu *recentFiles = fileMenu->addMenu("Recent &Files");
+    recentFiles->addActions({new QAction("File One"), new QAction("File Two")});
+    fileMenu->addAction(Utils::Icons::SAVEFILE.icon(), "&Save File...")->setDisabled(true);
+    root->addAction("&Edit")->setDisabled(true);
+}
+
+static QWidget *centralWidget()
+{
+    auto widget = new QWidget;
+    auto rootLayout = new QVBoxLayout(widget);
+    rootLayout->addWidget(new ManualTest::ThemeSelector);
+    auto enabledDisabledLayout = new QHBoxLayout(widget);
+    rootLayout->addLayout(enabledDisabledLayout);
+    for (bool enabled : {true, false}) {
+        auto groupBox = new QGroupBox("GroupBox");
+        enabledDisabledLayout->addWidget(groupBox);
+        auto vBoxLayout = new QVBoxLayout;
+
+        auto lineEdit = new Utils::FancyLineEdit;
+        lineEdit->setText("FancyLineEdit");
+        lineEdit->setFiltering(true);
+        vBoxLayout->addWidget(lineEdit);
+
+        vBoxLayout->addWidget(new QCheckBox("CheckBox"));
+        auto checkedCheckButton = new QCheckBox("CheckBox (checked)");
+        checkedCheckButton->setChecked(true);
+        vBoxLayout->addWidget(checkedCheckButton);
+        auto partiallyCheckButton = new QCheckBox("CheckBox (partially)");
+        partiallyCheckButton->setTristate(true);
+        partiallyCheckButton->setCheckState(Qt::PartiallyChecked);
+        vBoxLayout->addWidget(partiallyCheckButton);
+
+        vBoxLayout->addWidget(new QRadioButton("RadioButton"));
+        auto checkedRadioButton = new QRadioButton("RadioButton (checked)");
+        checkedRadioButton->setChecked(true);
+        vBoxLayout->addWidget(checkedRadioButton);
+
+        auto comboBox = new QComboBox;
+        comboBox->addItems({"ComboBox", "Foo", "Bar"});
+        comboBox->setEditable(true);
+        vBoxLayout->addWidget(comboBox);
+
+        auto spinBox = new QSpinBox;
+        vBoxLayout->addWidget(spinBox);
+
+        auto listWidget = new QListWidget;
+        listWidget->addItems({"Item 1", "Item 2"});
+        listWidget->setMinimumHeight(44);
+        vBoxLayout->addWidget(listWidget);
+
+        auto tabWidget = new QTabWidget;
+        tabWidget->addTab(new QWidget, "T1");
+        tabWidget->tabBar()->setTabsClosable(true);
+        tabWidget->addTab(new QWidget, "T2");
+        vBoxLayout->addWidget(tabWidget);
+
+        auto hScrollBar = new QScrollBar(Qt::Horizontal);
+        vBoxLayout->addWidget(hScrollBar);
+
+        auto groupBoxLayout = new QHBoxLayout(groupBox);
+        groupBoxLayout->addLayout(vBoxLayout);
+
+        auto vScrollBar = new QScrollBar(Qt::Vertical);
+        groupBoxLayout->addWidget(vScrollBar);
+
+        groupBox->setEnabled(enabled);
+    }
+    return widget;
+}
+
+int main(int argc, char *argv[])
+{
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+
+    QApplication app(argc, argv);
+
+    QMainWindow window;
+    window.setCentralWidget(centralWidget());
+    addMenu(window.menuBar());
+
+    window.resize(QSize());
+    window.show();
+
+    return app.exec();
+}