| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the test suite of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** 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 |
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| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QtWidgets> |
| |
| class CursorWindow : public QRasterWindow |
| { |
| public: |
| CursorWindow(QCursor cursor, QColor color) |
| :m_cursor(cursor) |
| ,m_color(color) |
| { |
| if (cursor.shape() == Qt::ArrowCursor) |
| unsetCursor(); |
| else |
| setCursor(cursor); |
| } |
| |
| void paintEvent(QPaintEvent *e) |
| { |
| QPainter p(this); |
| p.fillRect(e->rect(), m_color); |
| } |
| |
| void mousePressEvent(QMouseEvent *) |
| { |
| // Toggle cursor |
| QCursor newCursor = (cursor().shape() == m_cursor.shape()) ? QCursor() : m_cursor; |
| if (newCursor.shape() == Qt::ArrowCursor) |
| unsetCursor(); |
| else |
| setCursor(newCursor); |
| } |
| |
| private: |
| QCursor m_cursor; |
| QColor m_color; |
| }; |
| |
| class CursorWidget : public QWidget |
| { |
| public: |
| CursorWidget(QCursor cursor, QColor color) |
| :m_cursor(cursor) |
| ,m_color(color) |
| { |
| if (cursor.shape() == Qt::ArrowCursor) |
| unsetCursor(); |
| else |
| setCursor(cursor); |
| } |
| |
| void paintEvent(QPaintEvent *e) |
| { |
| QPainter p(this); |
| p.fillRect(e->rect(), m_color); |
| } |
| |
| void mousePressEvent(QMouseEvent *) |
| { |
| // Toggle cursor |
| QCursor newCursor = (cursor().shape() == m_cursor.shape()) ? QCursor() : m_cursor; |
| if (newCursor.shape() == Qt::ArrowCursor) |
| unsetCursor(); |
| else |
| setCursor(newCursor); |
| } |
| |
| private: |
| QCursor m_cursor; |
| QColor m_color; |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| QApplication app(argc, argv); |
| |
| { |
| // Create top-level windowContainer with window. Setting the cursor |
| // for the container should set the cursor for the window as well. |
| // Setting the cursor for the window overrides the cursor for the |
| // container. The example starts out with a window cursor; click |
| // to fall back to the container cursor. |
| CursorWindow *w1 = new CursorWindow(QCursor(Qt::OpenHandCursor), QColor(Qt::red).darker()); |
| QWidget* container = QWidget::createWindowContainer(w1); |
| container->resize(200, 200); |
| container->setCursor(Qt::PointingHandCursor); |
| container->show(); |
| } |
| |
| { |
| // Similar to above, but with a top-level QWiget |
| CursorWidget *w1 = new CursorWidget(QCursor(Qt::IBeamCursor), QColor(Qt::green).darker()); |
| w1->resize(200, 200); |
| |
| CursorWindow *w2 = new CursorWindow(QCursor(Qt::OpenHandCursor), QColor(Qt::red).darker()); |
| QWidget* container = QWidget::createWindowContainer(w2); |
| container->winId(); // must make the container native, otherwise setCursor |
| // sets the cursor on a QWindowContainerClassWindow which |
| // is outside the QWindow hierarchy (macOS). |
| container->setParent(w1); |
| container->setCursor(Qt::PointingHandCursor); |
| container->setGeometry(0, 0, 100, 100); |
| |
| w1->show(); |
| } |
| |
| return app.exec(); |
| } |