05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QtWidgets>
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class RasterWindow : public QRasterWindow
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{
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Q_OBJECT
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public:
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RasterWindow(const QColor &color)
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: m_color(color)
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{
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}
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protected:
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void paintEvent(QPaintEvent *)
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{
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QPainter p(this);
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p.fillRect(QRect(0, 0, width(), height()), m_color);
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}
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private:
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QColor m_color;
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};
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class ActivateButton : public QPushButton
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{
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Q_OBJECT
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public:
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ActivateButton(const QString &text, QWindow *window)
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: QPushButton(text)
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{
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connect(this, &QPushButton::clicked, window, [window](){
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window->requestActivate();
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});
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connect(window, &QWindow::activeChanged, this, [this, window](){
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setPalette(window->isActive() ? QPalette(Qt::red) : qApp->palette());
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});
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}
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};
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class Controller : public QWidget
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{
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Q_OBJECT
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public:
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Controller() {
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setWindowTitle("Controller window");
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auto *ed1 = new QTextEdit;
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ed1->setWindowTitle("Editor 1");
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ed1->show();
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auto *ed2 = new QTextEdit;
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ed2->setWindowTitle("Editor 2");
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ed2->show();
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auto *win1 = new RasterWindow(Qt::red);
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win1->setTitle("Window 1");
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win1->resize(300, 200);
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win1->show();
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auto *win2 = new RasterWindow(Qt::green);
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win2->setTitle("Window 2");
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win2->resize(300, 200);
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win2->show();
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auto *noFocus = new RasterWindow(Qt::black);
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noFocus->setTitle("No focus");
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noFocus->resize(300, 200);
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noFocus->setFlags(noFocus->flags() | Qt::WindowDoesNotAcceptFocus);
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noFocus->show();
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lab = new QLabel(this);
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lab->move(5, 5);
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connect(qApp, &QGuiApplication::focusObjectChanged, this, &Controller::updateInfo);
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auto *topLayout = new QVBoxLayout(this);
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topLayout->addWidget(lab);
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topLayout->addWidget(new ActivateButton("Activate editor 1", ed1->windowHandle()));
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topLayout->addWidget(new ActivateButton("Activate editor 2", ed2->windowHandle()));
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topLayout->addWidget(new ActivateButton("Activate window 1", win1));
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topLayout->addWidget(new ActivateButton("Activate window 2", win2));
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topLayout->addStretch();
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QPushButton *quitButton = new QPushButton("Quit");
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topLayout->addWidget(quitButton);
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connect(quitButton, &QPushButton::clicked, this, [](){
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QApplication::quit();
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});
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resize(800, 600);
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}
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public slots:
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void updateInfo() {
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QString outString;
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QWindow *fWin = QGuiApplication::focusWindow();
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QString windowTitle = fWin ? fWin->title() : QString{};
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QWidget *aWdg = QApplication::activeWindow();
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QString widgetTitle = aWdg ? aWdg->windowTitle() : QString{};
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QDebug(&outString) << "focus window" << fWin << windowTitle
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<< "\nfocus object" << QGuiApplication::focusObject()
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<< "\nfocus widget" << QApplication::focusWidget()
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<< "\nactive widget" << aWdg << widgetTitle;
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lab->setText(outString);
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}
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private:
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QLabel *lab = nullptr;
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};
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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Controller controller;
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controller.show();
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controller.updateInfo();
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return app.exec();
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}
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#include "main.moc"
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