From a62bab95d3adfcd6aab1f32d41750f0c1a5adfe3 Mon Sep 17 00:00:00 2001 From: Paul Wicking Date: Wed, 12 Sep 2018 12:57:33 +0200 Subject: Doc: Move touch examples around so they get included in docs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Task-number: QTBUG-59249 Change-Id: I71f1d2e28f0cadbad1d6bcf117198018eaf8e012 Reviewed-by: Topi Reiniö --- examples/examples.pro | 3 +- examples/touch/dials/dials.pro | 8 - examples/touch/dials/dials.ui | 77 ------- .../touch/dials/doc/images/touch-dials-example.png | Bin 17676 -> 0 bytes examples/touch/dials/doc/src/touch-dials.qdoc | 38 ---- examples/touch/dials/main.cpp | 68 ------ examples/touch/fingerpaint/fingerpaint.pro | 13 -- examples/touch/fingerpaint/main.cpp | 61 ------ examples/touch/fingerpaint/mainwindow.cpp | 227 -------------------- examples/touch/fingerpaint/mainwindow.h | 98 --------- examples/touch/fingerpaint/scribblearea.cpp | 235 --------------------- examples/touch/fingerpaint/scribblearea.h | 90 -------- .../touch/knobs/doc/images/touch-knobs-example.png | Bin 1290 -> 0 bytes examples/touch/knobs/doc/src/touch-knobs.qdoc | 38 ---- examples/touch/knobs/knob.cpp | 98 --------- examples/touch/knobs/knob.h | 64 ------ examples/touch/knobs/knobs.pro | 8 - examples/touch/knobs/main.cpp | 74 ------- examples/touch/pinchzoom/graphicsview.cpp | 95 --------- examples/touch/pinchzoom/graphicsview.h | 65 ------ examples/touch/pinchzoom/images/cheese.jpg | Bin 3029 -> 0 bytes examples/touch/pinchzoom/main.cpp | 95 --------- examples/touch/pinchzoom/mice.qrc | 5 - examples/touch/pinchzoom/mouse.cpp | 205 ------------------ examples/touch/pinchzoom/mouse.h | 80 ------- examples/touch/pinchzoom/pinchzoom.pro | 16 -- examples/touch/touch.pro | 4 - examples/widgets/touch/dials/dials.pro | 8 + examples/widgets/touch/dials/dials.ui | 77 +++++++ .../touch/dials/doc/images/touch-dials-example.png | Bin 0 -> 17676 bytes .../widgets/touch/dials/doc/src/touch-dials.qdoc | 38 ++++ examples/widgets/touch/dials/main.cpp | 68 ++++++ .../touch/fingerpaint/doc/src/fingerpaint.qdoc | 42 ++++ examples/widgets/touch/fingerpaint/fingerpaint.pro | 13 ++ examples/widgets/touch/fingerpaint/main.cpp | 61 ++++++ examples/widgets/touch/fingerpaint/mainwindow.cpp | 227 ++++++++++++++++++++ examples/widgets/touch/fingerpaint/mainwindow.h | 98 +++++++++ .../widgets/touch/fingerpaint/scribblearea.cpp | 235 +++++++++++++++++++++ examples/widgets/touch/fingerpaint/scribblearea.h | 90 ++++++++ .../touch/knobs/doc/images/touch-knobs-example.png | Bin 0 -> 1290 bytes .../widgets/touch/knobs/doc/src/touch-knobs.qdoc | 38 ++++ examples/widgets/touch/knobs/knob.cpp | 98 +++++++++ examples/widgets/touch/knobs/knob.h | 64 ++++++ examples/widgets/touch/knobs/knobs.pro | 8 + examples/widgets/touch/knobs/main.cpp | 74 +++++++ .../pinchzoom/doc/images/pinch-zoom-example.png | Bin 0 -> 42493 bytes .../widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc | 38 ++++ examples/widgets/touch/pinchzoom/graphicsview.cpp | 95 +++++++++ examples/widgets/touch/pinchzoom/graphicsview.h | 65 ++++++ examples/widgets/touch/pinchzoom/images/cheese.jpg | Bin 0 -> 3029 bytes examples/widgets/touch/pinchzoom/main.cpp | 95 +++++++++ examples/widgets/touch/pinchzoom/mice.qrc | 5 + examples/widgets/touch/pinchzoom/mouse.cpp | 205 ++++++++++++++++++ examples/widgets/touch/pinchzoom/mouse.h | 80 +++++++ examples/widgets/touch/pinchzoom/pinchzoom.pro | 16 ++ examples/widgets/touch/touch.pro | 4 + examples/widgets/widgets.pro | 1 + 57 files changed, 1844 insertions(+), 1764 deletions(-) delete mode 100644 examples/touch/dials/dials.pro delete mode 100644 examples/touch/dials/dials.ui delete mode 100644 examples/touch/dials/doc/images/touch-dials-example.png delete mode 100644 examples/touch/dials/doc/src/touch-dials.qdoc delete mode 100644 examples/touch/dials/main.cpp delete mode 100644 examples/touch/fingerpaint/fingerpaint.pro delete mode 100644 examples/touch/fingerpaint/main.cpp delete mode 100644 examples/touch/fingerpaint/mainwindow.cpp delete mode 100644 examples/touch/fingerpaint/mainwindow.h delete mode 100644 examples/touch/fingerpaint/scribblearea.cpp delete mode 100644 examples/touch/fingerpaint/scribblearea.h delete mode 100644 examples/touch/knobs/doc/images/touch-knobs-example.png delete mode 100644 examples/touch/knobs/doc/src/touch-knobs.qdoc delete mode 100644 examples/touch/knobs/knob.cpp delete mode 100644 examples/touch/knobs/knob.h delete mode 100644 examples/touch/knobs/knobs.pro delete mode 100644 examples/touch/knobs/main.cpp delete mode 100644 examples/touch/pinchzoom/graphicsview.cpp delete mode 100644 examples/touch/pinchzoom/graphicsview.h delete mode 100644 examples/touch/pinchzoom/images/cheese.jpg delete mode 100644 examples/touch/pinchzoom/main.cpp delete mode 100644 examples/touch/pinchzoom/mice.qrc delete mode 100644 examples/touch/pinchzoom/mouse.cpp delete mode 100644 examples/touch/pinchzoom/mouse.h delete mode 100644 examples/touch/pinchzoom/pinchzoom.pro delete mode 100644 examples/touch/touch.pro create mode 100644 examples/widgets/touch/dials/dials.pro create mode 100644 examples/widgets/touch/dials/dials.ui create mode 100644 examples/widgets/touch/dials/doc/images/touch-dials-example.png create mode 100644 examples/widgets/touch/dials/doc/src/touch-dials.qdoc create mode 100644 examples/widgets/touch/dials/main.cpp create mode 100644 examples/widgets/touch/fingerpaint/doc/src/fingerpaint.qdoc create mode 100644 examples/widgets/touch/fingerpaint/fingerpaint.pro create mode 100644 examples/widgets/touch/fingerpaint/main.cpp create mode 100644 examples/widgets/touch/fingerpaint/mainwindow.cpp create mode 100644 examples/widgets/touch/fingerpaint/mainwindow.h create mode 100644 examples/widgets/touch/fingerpaint/scribblearea.cpp create mode 100644 examples/widgets/touch/fingerpaint/scribblearea.h create mode 100644 examples/widgets/touch/knobs/doc/images/touch-knobs-example.png create mode 100644 examples/widgets/touch/knobs/doc/src/touch-knobs.qdoc create mode 100644 examples/widgets/touch/knobs/knob.cpp create mode 100644 examples/widgets/touch/knobs/knob.h create mode 100644 examples/widgets/touch/knobs/knobs.pro create mode 100644 examples/widgets/touch/knobs/main.cpp create mode 100644 examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png create mode 100644 examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc create mode 100644 examples/widgets/touch/pinchzoom/graphicsview.cpp create mode 100644 examples/widgets/touch/pinchzoom/graphicsview.h create mode 100644 examples/widgets/touch/pinchzoom/images/cheese.jpg create mode 100644 examples/widgets/touch/pinchzoom/main.cpp create mode 100644 examples/widgets/touch/pinchzoom/mice.qrc create mode 100644 examples/widgets/touch/pinchzoom/mouse.cpp create mode 100644 examples/widgets/touch/pinchzoom/mouse.h create mode 100644 examples/widgets/touch/pinchzoom/pinchzoom.pro create mode 100644 examples/widgets/touch/touch.pro (limited to 'examples') diff --git a/examples/examples.pro b/examples/examples.pro index 4ec5ca60e2..077e5828a9 100644 --- a/examples/examples.pro +++ b/examples/examples.pro @@ -4,8 +4,7 @@ CONFIG += no_docs_target SUBDIRS = \ corelib \ embedded \ - qpa \ - touch + qpa qtHaveModule(dbus): SUBDIRS += dbus qtHaveModule(network): SUBDIRS += network diff --git a/examples/touch/dials/dials.pro b/examples/touch/dials/dials.pro deleted file mode 100644 index 2c522a46f0..0000000000 --- a/examples/touch/dials/dials.pro +++ /dev/null @@ -1,8 +0,0 @@ -QT += widgets - -SOURCES += main.cpp -FORMS += dials.ui - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/touch/dials -INSTALLS += target diff --git a/examples/touch/dials/dials.ui b/examples/touch/dials/dials.ui deleted file mode 100644 index 8ca7ae9475..0000000000 --- a/examples/touch/dials/dials.ui +++ /dev/null @@ -1,77 +0,0 @@ - - - Dials - - - - 0 - 0 - 400 - 300 - - - - Form - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - true - - - - - - - - diff --git a/examples/touch/dials/doc/images/touch-dials-example.png b/examples/touch/dials/doc/images/touch-dials-example.png deleted file mode 100644 index 60e1776fc3..0000000000 Binary files a/examples/touch/dials/doc/images/touch-dials-example.png and /dev/null differ diff --git a/examples/touch/dials/doc/src/touch-dials.qdoc b/examples/touch/dials/doc/src/touch-dials.qdoc deleted file mode 100644 index 10784c8c0d..0000000000 --- a/examples/touch/dials/doc/src/touch-dials.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 touch/dials - \title Touch Dials Example - \ingroup touchinputexamples - \brief Shows how to apply touch to a set of standard Qt widgets - - The Touch Dials example shows how to apply touch to a set of - standard Qt widgets. - - \image touch-dials-example.png -*/ diff --git a/examples/touch/dials/main.cpp b/examples/touch/dials/main.cpp deleted file mode 100644 index 071f485de3..0000000000 --- a/examples/touch/dials/main.cpp +++ /dev/null @@ -1,68 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module 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 -#include -#include - -#include "ui_dials.h" - -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - QWidget window; - Ui::Dials dialsUi; - dialsUi.setupUi(&window); - QList sliders = window.findChildren(); - foreach (QAbstractSlider *slider, sliders) - slider->setAttribute(Qt::WA_AcceptTouchEvents); - window.showMaximized(); - return app.exec(); -} diff --git a/examples/touch/fingerpaint/fingerpaint.pro b/examples/touch/fingerpaint/fingerpaint.pro deleted file mode 100644 index f196f7eed4..0000000000 --- a/examples/touch/fingerpaint/fingerpaint.pro +++ /dev/null @@ -1,13 +0,0 @@ -QT += widgets -requires(qtConfig(filedialog)) -qtHaveModule(printsupport): QT += printsupport - -HEADERS = mainwindow.h \ - scribblearea.h -SOURCES = main.cpp \ - mainwindow.cpp \ - scribblearea.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/touch/fingerpaint -INSTALLS += target diff --git a/examples/touch/fingerpaint/main.cpp b/examples/touch/fingerpaint/main.cpp deleted file mode 100644 index e7ab8856b7..0000000000 --- a/examples/touch/fingerpaint/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 - -#include "mainwindow.h" - -int main(int argc, char *argv[]) -{ - QApplication app(argc, argv); - MainWindow window; - window.showMaximized(); - return app.exec(); -} diff --git a/examples/touch/fingerpaint/mainwindow.cpp b/examples/touch/fingerpaint/mainwindow.cpp deleted file mode 100644 index 0e45eea240..0000000000 --- a/examples/touch/fingerpaint/mainwindow.cpp +++ /dev/null @@ -1,227 +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 - -#include "mainwindow.h" -#include "scribblearea.h" - -//! [0] -MainWindow::MainWindow() -{ - scribbleArea = new ScribbleArea; - setCentralWidget(scribbleArea); - - createActions(); - createMenus(); - - setWindowTitle(tr("Finger Paint")); - resize(500, 500); -} -//! [0] - -//! [1] -void MainWindow::closeEvent(QCloseEvent *event) -//! [1] //! [2] -{ - if (maybeSave()) { - event->accept(); - } else { - event->ignore(); - } -} -//! [2] - -//! [3] -void MainWindow::open() -//! [3] //! [4] -{ - if (maybeSave()) { - QString fileName = QFileDialog::getOpenFileName(this, - tr("Open File"), QDir::currentPath()); - if (!fileName.isEmpty()) - scribbleArea->openImage(fileName); - } -} -//! [4] - -//! [5] -void MainWindow::save() -//! [5] //! [6] -{ - QAction *action = qobject_cast(sender()); - QByteArray fileFormat = action->data().toByteArray(); - saveFile(fileFormat); -} -//! [6] - -//! [11] -void MainWindow::about() -//! [11] //! [12] -{ - QMessageBox::about(this, tr("About Scribble"), - tr("

The Scribble example shows how to use QMainWindow as the " - "base widget for an application, and how to reimplement some of " - "QWidget's event handlers to receive the events generated for " - "the application's widgets:

We reimplement the mouse event " - "handlers to facilitate drawing, the paint event handler to " - "update the application and the resize event handler to optimize " - "the application's appearance. In addition we reimplement the " - "close event handler to intercept the close events before " - "terminating the application.

The example also demonstrates " - "how to use QPainter to draw an image in real time, as well as " - "to repaint widgets.

")); -} -//! [12] - -//! [13] -void MainWindow::createActions() -//! [13] //! [14] -{ - openAct = new QAction(tr("&Open..."), this); - openAct->setShortcut(tr("Ctrl+O")); - connect(openAct, SIGNAL(triggered()), this, SLOT(open())); - - foreach (QByteArray format, QImageWriter::supportedImageFormats()) { - QString text = tr("%1...").arg(QString(format).toUpper()); - - QAction *action = new QAction(text, this); - action->setData(format); - connect(action, SIGNAL(triggered()), this, SLOT(save())); - saveAsActs.append(action); - } - - printAct = new QAction(tr("&Print..."), this); - connect(printAct, SIGNAL(triggered()), scribbleArea, SLOT(print())); - - exitAct = new QAction(tr("E&xit"), this); - exitAct->setShortcut(tr("Ctrl+Q")); - connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); - - clearScreenAct = new QAction(tr("&Clear Screen"), this); - clearScreenAct->setShortcut(tr("Ctrl+L")); - connect(clearScreenAct, SIGNAL(triggered()), - scribbleArea, SLOT(clearImage())); - - aboutAct = new QAction(tr("&About"), this); - connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); - - aboutQtAct = new QAction(tr("About &Qt"), this); - connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); -} -//! [14] - -//! [15] -void MainWindow::createMenus() -//! [15] //! [16] -{ - saveAsMenu = new QMenu(tr("&Save As"), this); - foreach (QAction *action, saveAsActs) - saveAsMenu->addAction(action); - - fileMenu = new QMenu(tr("&File"), this); - fileMenu->addAction(openAct); - fileMenu->addMenu(saveAsMenu); - fileMenu->addAction(printAct); - fileMenu->addSeparator(); - fileMenu->addAction(exitAct); - - optionMenu = new QMenu(tr("&Options"), this); - optionMenu->addAction(clearScreenAct); - - helpMenu = new QMenu(tr("&Help"), this); - helpMenu->addAction(aboutAct); - helpMenu->addAction(aboutQtAct); - - menuBar()->addMenu(fileMenu); - menuBar()->addMenu(optionMenu); - menuBar()->addMenu(helpMenu); -} -//! [16] - -//! [17] -bool MainWindow::maybeSave() -//! [17] //! [18] -{ - if (scribbleArea->isModified()) { - QMessageBox::StandardButton ret; - ret = QMessageBox::warning(this, tr("Scribble"), - tr("The image has been modified.\n" - "Do you want to save your changes?"), - QMessageBox::Save | QMessageBox::Discard - | QMessageBox::Cancel); - if (ret == QMessageBox::Save) { - return saveFile("png"); - } else if (ret == QMessageBox::Cancel) { - return false; - } - } - return true; -} -//! [18] - -//! [19] -bool MainWindow::saveFile(const QByteArray &fileFormat) -//! [19] //! [20] -{ - QString initialPath = QDir::currentPath() + "/untitled." + fileFormat; - - QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), - initialPath, - tr("%1 Files (*.%2);;All Files (*)") - .arg(QString::fromLatin1(fileFormat.toUpper())) - .arg(QString::fromLatin1(fileFormat))); - if (fileName.isEmpty()) { - return false; - } else { - return scribbleArea->saveImage(fileName, fileFormat.constData()); - } -} -//! [20] diff --git a/examples/touch/fingerpaint/mainwindow.h b/examples/touch/fingerpaint/mainwindow.h deleted file mode 100644 index 47c339050e..0000000000 --- a/examples/touch/fingerpaint/mainwindow.h +++ /dev/null @@ -1,98 +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 MAINWINDOW_H -#define MAINWINDOW_H - -#include -#include - -class ScribbleArea; - -//! [0] -class MainWindow : public QMainWindow -{ - Q_OBJECT - -public: - MainWindow(); - -protected: - void closeEvent(QCloseEvent *event) override; - -private slots: - void open(); - void save(); - void about(); - -private: - void createActions(); - void createMenus(); - bool maybeSave(); - bool saveFile(const QByteArray &fileFormat); - - ScribbleArea *scribbleArea; - - QMenu *saveAsMenu; - QMenu *fileMenu; - QMenu *optionMenu; - QMenu *helpMenu; - - QAction *openAct; - QList saveAsActs; - QAction *exitAct; - QAction *printAct; - QAction *clearScreenAct; - QAction *aboutAct; - QAction *aboutQtAct; -}; -//! [0] - -#endif diff --git a/examples/touch/fingerpaint/scribblearea.cpp b/examples/touch/fingerpaint/scribblearea.cpp deleted file mode 100644 index aa4e60c934..0000000000 --- a/examples/touch/fingerpaint/scribblearea.cpp +++ /dev/null @@ -1,235 +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 -#if defined(QT_PRINTSUPPORT_LIB) -#include -#if QT_CONFIG(printdialog) -#include -#include -#endif -#endif - -#include "scribblearea.h" - -static const qreal MinimumDiameter = 3.0; -static const qreal MaximumDiameter = 50.0; - -//! [0] -ScribbleArea::ScribbleArea(QWidget *parent) - : QWidget(parent) -{ - setAttribute(Qt::WA_AcceptTouchEvents); - setAttribute(Qt::WA_StaticContents); - modified = false; - - myPenColors - << QColor("green") - << QColor("purple") - << QColor("red") - << QColor("blue") - << QColor("yellow") - - << QColor("pink") - << QColor("orange") - << QColor("brown") - << QColor("grey") - << QColor("black"); -} -//! [0] - -//! [1] -bool ScribbleArea::openImage(const QString &fileName) -//! [1] //! [2] -{ - QImage loadedImage; - if (!loadedImage.load(fileName)) - return false; - - QSize newSize = loadedImage.size().expandedTo(size()); - resizeImage(&loadedImage, newSize); - image = loadedImage; - modified = false; - update(); - return true; -} -//! [2] - -//! [3] -bool ScribbleArea::saveImage(const QString &fileName, const char *fileFormat) -//! [3] //! [4] -{ - QImage visibleImage = image; - resizeImage(&visibleImage, size()); - - if (visibleImage.save(fileName, fileFormat)) { - modified = false; - return true; - } else { - return false; - } -} -//! [4] - -//! [9] -void ScribbleArea::clearImage() -//! [9] //! [10] -{ - image.fill(qRgb(255, 255, 255)); - modified = true; - update(); -} -//! [10] - -//! [12] //! [13] -void ScribbleArea::paintEvent(QPaintEvent *event) -//! [13] //! [14] -{ - QPainter painter(this); - const QRect rect = event->rect(); - painter.drawImage(rect.topLeft(), image, rect); -} -//! [14] - -//! [15] -void ScribbleArea::resizeEvent(QResizeEvent *event) -//! [15] //! [16] -{ - if (width() > image.width() || height() > image.height()) { - int newWidth = qMax(width() + 128, image.width()); - int newHeight = qMax(height() + 128, image.height()); - resizeImage(&image, QSize(newWidth, newHeight)); - update(); - } - QWidget::resizeEvent(event); -} -//! [16] - -//! [19] -void ScribbleArea::resizeImage(QImage *image, const QSize &newSize) -//! [19] //! [20] -{ - if (image->size() == newSize) - return; - - QImage newImage(newSize, QImage::Format_RGB32); - newImage.fill(qRgb(255, 255, 255)); - QPainter painter(&newImage); - painter.drawImage(QPoint(0, 0), *image); - *image = newImage; -} -//! [20] - -//! [21] -void ScribbleArea::print() -{ -#if QT_CONFIG(printdialog) - QPrinter printer(QPrinter::HighResolution); - - QPrintDialog printDialog(&printer, this); -//! [21] //! [22] - if (printDialog.exec() == QDialog::Accepted) { - QPainter painter(&printer); - QRect rect = painter.viewport(); - QSize size = image.size(); - size.scale(rect.size(), Qt::KeepAspectRatio); - painter.setViewport(rect.x(), rect.y(), size.width(), size.height()); - painter.setWindow(image.rect()); - painter.drawImage(0, 0, image); - } -#endif // QT_CONFIG(printdialog) -} -//! [22] - -bool ScribbleArea::event(QEvent *event) -{ - switch (event->type()) { - case QEvent::TouchBegin: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - { - QTouchEvent *touch = static_cast(event); - QList touchPoints = static_cast(event)->touchPoints(); - foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) { - switch (touchPoint.state()) { - case Qt::TouchPointStationary: - case Qt::TouchPointReleased: - // don't do anything if this touch point hasn't moved or has been released - continue; - default: - { - QRectF rect = touchPoint.rect(); - if (rect.isEmpty()) { - qreal diameter = MaximumDiameter; - if (touch->device()->capabilities() & QTouchDevice::Pressure) - diameter = MinimumDiameter + (MaximumDiameter - MinimumDiameter) * touchPoint.pressure(); - rect.setSize(QSizeF(diameter, diameter)); - } - - QPainter painter(&image); - painter.setPen(Qt::NoPen); - painter.setBrush(myPenColors.at(touchPoint.id() % myPenColors.count())); - painter.drawEllipse(rect); - painter.end(); - - modified = true; - int rad = 2; - update(rect.toRect().adjusted(-rad,-rad, +rad, +rad)); - } - break; - } - } - break; - } - default: - return QWidget::event(event); - } - return true; -} diff --git a/examples/touch/fingerpaint/scribblearea.h b/examples/touch/fingerpaint/scribblearea.h deleted file mode 100644 index 5138e3a1ab..0000000000 --- a/examples/touch/fingerpaint/scribblearea.h +++ /dev/null @@ -1,90 +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 SCRIBBLEAREA_H -#define SCRIBBLEAREA_H - -#include -#include -#include -#include - -//! [0] -class ScribbleArea : public QWidget -{ - Q_OBJECT - -public: - ScribbleArea(QWidget *parent = 0); - - bool openImage(const QString &fileName); - bool saveImage(const QString &fileName, const char *fileFormat); - - bool isModified() const { return modified; } - -public slots: - void clearImage(); - void print(); - -protected: - void paintEvent(QPaintEvent *event) override; - void resizeEvent(QResizeEvent *event) override; - bool event(QEvent *event) override; - -private: - void resizeImage(QImage *image, const QSize &newSize); - - bool modified; - QList myPenColors; - QImage image; -}; -//! [0] - -#endif diff --git a/examples/touch/knobs/doc/images/touch-knobs-example.png b/examples/touch/knobs/doc/images/touch-knobs-example.png deleted file mode 100644 index 1cbd90d101..0000000000 Binary files a/examples/touch/knobs/doc/images/touch-knobs-example.png and /dev/null differ diff --git a/examples/touch/knobs/doc/src/touch-knobs.qdoc b/examples/touch/knobs/doc/src/touch-knobs.qdoc deleted file mode 100644 index d39dd564b2..0000000000 --- a/examples/touch/knobs/doc/src/touch-knobs.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 touch/knobs - \title Touch Knobs Example - \ingroup touchinputexamples - \brief Shows how to create custom controls that accept touch input - - The Touch Knobs example shows how to create custom controls that - accept touch input. - - \image touch-knobs-example.png -*/ diff --git a/examples/touch/knobs/knob.cpp b/examples/touch/knobs/knob.cpp deleted file mode 100644 index 12aaa1e948..0000000000 --- a/examples/touch/knobs/knob.cpp +++ /dev/null @@ -1,98 +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 "knob.h" - -#include -#include - -Knob::Knob() - : QGraphicsEllipseItem(-50, -50, 100, 100) -{ - setAcceptTouchEvents(true); - setBrush(Qt::lightGray); - - QGraphicsEllipseItem *leftItem = new QGraphicsEllipseItem(0, 0, 20, 20, this); - leftItem->setPos(-40, -10); - leftItem->setBrush(Qt::darkGreen); - - QGraphicsEllipseItem *rightItem = new QGraphicsEllipseItem(0, 0, 20, 20, this); - rightItem->setPos(20, -10); - rightItem->setBrush(Qt::darkRed); -} - -bool Knob::sceneEvent(QEvent *event) -{ - switch (event->type()) { - case QEvent::TouchBegin: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - { - QTouchEvent *touchEvent = static_cast(event); - - if (touchEvent->touchPoints().count() == 2) { - const QTouchEvent::TouchPoint &touchPoint1 = touchEvent->touchPoints().first(); - const QTouchEvent::TouchPoint &touchPoint2 = touchEvent->touchPoints().last(); - - QLineF line1(touchPoint1.lastScenePos(), touchPoint2.lastScenePos()); - QLineF line2(touchPoint1.scenePos(), touchPoint2.scenePos()); - - setTransform(QTransform().rotate(line2.angleTo(line1)), true); - } - - break; - } - - default: - return QGraphicsItem::sceneEvent(event); - } - - return true; -} diff --git a/examples/touch/knobs/knob.h b/examples/touch/knobs/knob.h deleted file mode 100644 index c16b61d6f1..0000000000 --- a/examples/touch/knobs/knob.h +++ /dev/null @@ -1,64 +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 KNOB_H -#define KNOB_H - -#include - -class Knob : public QGraphicsEllipseItem -{ -public: - Knob(); - - bool sceneEvent(QEvent *event) override; -}; - -#endif // KNOB_H diff --git a/examples/touch/knobs/knobs.pro b/examples/touch/knobs/knobs.pro deleted file mode 100644 index 267ba26167..0000000000 --- a/examples/touch/knobs/knobs.pro +++ /dev/null @@ -1,8 +0,0 @@ -QT += widgets - -HEADERS = knob.h -SOURCES = main.cpp knob.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/touch/knobs -INSTALLS += target diff --git a/examples/touch/knobs/main.cpp b/examples/touch/knobs/main.cpp deleted file mode 100644 index ea0e857e7b..0000000000 --- a/examples/touch/knobs/main.cpp +++ /dev/null @@ -1,74 +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 -#include - -#include "knob.h" - -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - - QGraphicsScene scene; - QGraphicsView view(&scene); - - Knob *knob1 = new Knob; - knob1->setPos(-110, 0); - Knob *knob2 = new Knob; - - scene.addItem(knob1); - scene.addItem(knob2); - - view.showMaximized(); - view.fitInView(scene.sceneRect().adjusted(-20, -20, 20, 20), Qt::KeepAspectRatio); - - return app.exec(); -} diff --git a/examples/touch/pinchzoom/graphicsview.cpp b/examples/touch/pinchzoom/graphicsview.cpp deleted file mode 100644 index 54e134aea2..0000000000 --- a/examples/touch/pinchzoom/graphicsview.cpp +++ /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$ -** -****************************************************************************/ - -#include "graphicsview.h" - -#include -#include - -GraphicsView::GraphicsView(QGraphicsScene *scene, QWidget *parent) - : QGraphicsView(scene, parent), totalScaleFactor(1) -{ - viewport()->setAttribute(Qt::WA_AcceptTouchEvents); - setDragMode(ScrollHandDrag); -} - -bool GraphicsView::viewportEvent(QEvent *event) -{ - switch (event->type()) { - case QEvent::TouchBegin: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - { - QTouchEvent *touchEvent = static_cast(event); - QList touchPoints = touchEvent->touchPoints(); - if (touchPoints.count() == 2) { - // determine scale factor - const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first(); - const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last(); - qreal currentScaleFactor = - QLineF(touchPoint0.pos(), touchPoint1.pos()).length() - / QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length(); - if (touchEvent->touchPointStates() & Qt::TouchPointReleased) { - // if one of the fingers is released, remember the current scale - // factor so that adding another finger later will continue zooming - // by adding new scale factor to the existing remembered value. - totalScaleFactor *= currentScaleFactor; - currentScaleFactor = 1; - } - setTransform(QTransform().scale(totalScaleFactor * currentScaleFactor, - totalScaleFactor * currentScaleFactor)); - } - return true; - } - default: - break; - } - return QGraphicsView::viewportEvent(event); -} diff --git a/examples/touch/pinchzoom/graphicsview.h b/examples/touch/pinchzoom/graphicsview.h deleted file mode 100644 index d4e2e32d36..0000000000 --- a/examples/touch/pinchzoom/graphicsview.h +++ /dev/null @@ -1,65 +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$ -** -****************************************************************************/ - -#pragma once -#include - -class GraphicsView : public QGraphicsView -{ - Q_OBJECT - -public: - GraphicsView(QGraphicsScene *scene = 0, QWidget *parent = 0); - - bool viewportEvent(QEvent *event) override; - -private: - qreal totalScaleFactor; -}; diff --git a/examples/touch/pinchzoom/images/cheese.jpg b/examples/touch/pinchzoom/images/cheese.jpg deleted file mode 100644 index dea5795fd0..0000000000 Binary files a/examples/touch/pinchzoom/images/cheese.jpg and /dev/null differ diff --git a/examples/touch/pinchzoom/main.cpp b/examples/touch/pinchzoom/main.cpp deleted file mode 100644 index 938432600f..0000000000 --- a/examples/touch/pinchzoom/main.cpp +++ /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$ -** -****************************************************************************/ - -#include "graphicsview.h" -#include "mouse.h" - -#include - -#include - -static const int MouseCount = 7; - -//! [0] -int main(int argc, char **argv) -{ - QApplication app(argc, argv); -//! [0] - -//! [1] - QGraphicsScene scene; - scene.setSceneRect(-300, -300, 600, 600); -//! [1] //! [2] - scene.setItemIndexMethod(QGraphicsScene::NoIndex); -//! [2] - -//! [3] - for (int i = 0; i < MouseCount; ++i) { - Mouse *mouse = new Mouse; - mouse->setPos(::sin((i * 6.28) / MouseCount) * 200, - ::cos((i * 6.28) / MouseCount) * 200); - scene.addItem(mouse); - } -//! [3] - -//! [4] - GraphicsView view(&scene); - view.setRenderHint(QPainter::Antialiasing); - view.setBackgroundBrush(QPixmap(":/images/cheese.jpg")); -//! [4] //! [5] - view.setCacheMode(QGraphicsView::CacheBackground); - view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate); -//! [5] //! [6] - view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice")); - view.showMaximized(); - - return app.exec(); -} -//! [6] diff --git a/examples/touch/pinchzoom/mice.qrc b/examples/touch/pinchzoom/mice.qrc deleted file mode 100644 index accdb4d0a6..0000000000 --- a/examples/touch/pinchzoom/mice.qrc +++ /dev/null @@ -1,5 +0,0 @@ - - - images/cheese.jpg - - diff --git a/examples/touch/pinchzoom/mouse.cpp b/examples/touch/pinchzoom/mouse.cpp deleted file mode 100644 index 1e6814be13..0000000000 --- a/examples/touch/pinchzoom/mouse.cpp +++ /dev/null @@ -1,205 +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 "mouse.h" - -#include -#include -#include -#include -#include - -const qreal Pi = M_PI; -const qreal TwoPi = 2 * M_PI; - -static qreal normalizeAngle(qreal angle) -{ - while (angle < 0) - angle += TwoPi; - while (angle > TwoPi) - angle -= TwoPi; - return angle; -} - -//! [0] -Mouse::Mouse() - : angle(0), speed(0), mouseEyeDirection(0), - color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256)) -{ - setTransform(QTransform().rotate(QRandomGenerator::global()->bounded(360 * 16)), true); - startTimer(1000 / 33); -} -//! [0] - -//! [1] -QRectF Mouse::boundingRect() const -{ - qreal adjust = 0.5; - return QRectF(-18 - adjust, -22 - adjust, - 36 + adjust, 60 + adjust); -} -//! [1] - -//! [2] -QPainterPath Mouse::shape() const -{ - QPainterPath path; - path.addRect(-10, -20, 20, 40); - return path; -} -//! [2] - -//! [3] -void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) -{ - // Body - painter->setBrush(color); - painter->drawEllipse(-10, -20, 20, 40); - - // Eyes - painter->setBrush(Qt::white); - painter->drawEllipse(-10, -17, 8, 8); - painter->drawEllipse(2, -17, 8, 8); - - // Nose - painter->setBrush(Qt::black); - painter->drawEllipse(QRectF(-2, -22, 4, 4)); - - // Pupils - painter->drawEllipse(QRectF(-8.0 + mouseEyeDirection, -17, 4, 4)); - painter->drawEllipse(QRectF(4.0 + mouseEyeDirection, -17, 4, 4)); - - // Ears - painter->setBrush(scene()->collidingItems(this).isEmpty() ? Qt::darkYellow : Qt::red); - painter->drawEllipse(-17, -12, 16, 16); - painter->drawEllipse(1, -12, 16, 16); - - // Tail - QPainterPath path(QPointF(0, 20)); - path.cubicTo(-5, 22, -5, 22, 0, 25); - path.cubicTo(5, 27, 5, 32, 0, 30); - path.cubicTo(-5, 32, -5, 42, 0, 35); - painter->setBrush(Qt::NoBrush); - painter->drawPath(path); -} -//! [3] - -//! [4] -void Mouse::timerEvent(QTimerEvent *) -{ -//! [4] - // Don't move too far away -//! [5] - QLineF lineToCenter(QPointF(0, 0), mapFromScene(0, 0)); - if (lineToCenter.length() > 150) { - qreal angleToCenter = std::atan2(lineToCenter.dy(), lineToCenter.dx()); - angleToCenter = normalizeAngle((Pi - angleToCenter) + Pi / 2); - - if (angleToCenter < Pi && angleToCenter > Pi / 4) { - // Rotate left - angle += (angle < -Pi / 2) ? 0.25 : -0.25; - } else if (angleToCenter >= Pi && angleToCenter < (Pi + Pi / 2 + Pi / 4)) { - // Rotate right - angle += (angle < Pi / 2) ? 0.25 : -0.25; - } - } else if (::sin(angle) < 0) { - angle += 0.25; - } else if (::sin(angle) > 0) { - angle -= 0.25; -//! [5] //! [6] - } -//! [6] - - // Try not to crash with any other mice -//! [7] - QList dangerMice = scene()->items(QPolygonF() - << mapToScene(0, 0) - << mapToScene(-30, -50) - << mapToScene(30, -50)); - foreach (QGraphicsItem *item, dangerMice) { - if (item == this) - continue; - - QLineF lineToMouse(QPointF(0, 0), mapFromItem(item, 0, 0)); - qreal angleToMouse = std::atan2(lineToMouse.dy(), lineToMouse.dx()); - angleToMouse = normalizeAngle((Pi - angleToMouse) + Pi / 2); - - if (angleToMouse >= 0 && angleToMouse < Pi / 2) { - // Rotate right - angle += 0.5; - } else if (angleToMouse <= TwoPi && angleToMouse > (TwoPi - Pi / 2)) { - // Rotate left - angle -= 0.5; -//! [7] //! [8] - } -//! [8] //! [9] - } -//! [9] - - // Add some random movement -//! [10] - if (dangerMice.size() > 1 && QRandomGenerator::global()->bounded(10) == 0) { - if (QRandomGenerator::global()->bounded(1)) - angle += QRandomGenerator::global()->bounded(1 / 500.0); - else - angle -= QRandomGenerator::global()->bounded(1 / 500.0); - } -//! [10] - -//! [11] - speed += (-50 + QRandomGenerator::global()->bounded(100)) / 100.0; - - qreal dx = ::sin(angle) * 10; - mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5; - - setTransform(QTransform().rotate(dx), true); - setPos(mapToParent(0, -(3 + sin(speed) * 3))); -} -//! [11] diff --git a/examples/touch/pinchzoom/mouse.h b/examples/touch/pinchzoom/mouse.h deleted file mode 100644 index 870bfcd6c0..0000000000 --- a/examples/touch/pinchzoom/mouse.h +++ /dev/null @@ -1,80 +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 MOUSE_H -#define MOUSE_H - -#include - -//! [0] -class Mouse : public QGraphicsObject -{ - Q_OBJECT - -public: - Mouse(); - - QRectF boundingRect() const override; - QPainterPath shape() const override; - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, - QWidget *widget) override; - -protected: - void timerEvent(QTimerEvent *event) override; - -private: - qreal angle; - qreal speed; - qreal mouseEyeDirection; - QColor color; -}; -//! [0] - -#endif diff --git a/examples/touch/pinchzoom/pinchzoom.pro b/examples/touch/pinchzoom/pinchzoom.pro deleted file mode 100644 index 9441cc1d92..0000000000 --- a/examples/touch/pinchzoom/pinchzoom.pro +++ /dev/null @@ -1,16 +0,0 @@ -QT += widgets - -HEADERS += \ - mouse.h \ - graphicsview.h -SOURCES += \ - main.cpp \ - mouse.cpp \ - graphicsview.cpp - -RESOURCES += \ - mice.qrc - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/touch/pinchzoom -INSTALLS += target diff --git a/examples/touch/touch.pro b/examples/touch/touch.pro deleted file mode 100644 index 018ec134eb..0000000000 --- a/examples/touch/touch.pro +++ /dev/null @@ -1,4 +0,0 @@ -requires(qtHaveModule(widgets)) - -TEMPLATE = subdirs -SUBDIRS = pinchzoom fingerpaint knobs dials diff --git a/examples/widgets/touch/dials/dials.pro b/examples/widgets/touch/dials/dials.pro new file mode 100644 index 0000000000..0e823551cc --- /dev/null +++ b/examples/widgets/touch/dials/dials.pro @@ -0,0 +1,8 @@ +QT += widgets + +SOURCES += main.cpp +FORMS += dials.ui + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/touch/dials +INSTALLS += target diff --git a/examples/widgets/touch/dials/dials.ui b/examples/widgets/touch/dials/dials.ui new file mode 100644 index 0000000000..8ca7ae9475 --- /dev/null +++ b/examples/widgets/touch/dials/dials.ui @@ -0,0 +1,77 @@ + + + Dials + + + + 0 + 0 + 400 + 300 + + + + Form + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + true + + + + + + + + diff --git a/examples/widgets/touch/dials/doc/images/touch-dials-example.png b/examples/widgets/touch/dials/doc/images/touch-dials-example.png new file mode 100644 index 0000000000..60e1776fc3 Binary files /dev/null and b/examples/widgets/touch/dials/doc/images/touch-dials-example.png differ diff --git a/examples/widgets/touch/dials/doc/src/touch-dials.qdoc b/examples/widgets/touch/dials/doc/src/touch-dials.qdoc new file mode 100644 index 0000000000..dec8248efb --- /dev/null +++ b/examples/widgets/touch/dials/doc/src/touch-dials.qdoc @@ -0,0 +1,38 @@ +/**************************************************************************** +** +** 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 touch/dials + \title Touch Dials Example + \ingroup touchinputexamples + \brief Shows how to apply touch to a set of standard Qt widgets. + + The Touch Dials example shows how to apply touch to a set of + standard Qt widgets. + + \image touch-dials-example.png +*/ diff --git a/examples/widgets/touch/dials/main.cpp b/examples/widgets/touch/dials/main.cpp new file mode 100644 index 0000000000..071f485de3 --- /dev/null +++ b/examples/widgets/touch/dials/main.cpp @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 +#include +#include + +#include "ui_dials.h" + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + QWidget window; + Ui::Dials dialsUi; + dialsUi.setupUi(&window); + QList sliders = window.findChildren(); + foreach (QAbstractSlider *slider, sliders) + slider->setAttribute(Qt::WA_AcceptTouchEvents); + window.showMaximized(); + return app.exec(); +} diff --git a/examples/widgets/touch/fingerpaint/doc/src/fingerpaint.qdoc b/examples/widgets/touch/fingerpaint/doc/src/fingerpaint.qdoc new file mode 100644 index 0000000000..6f8f636f86 --- /dev/null +++ b/examples/widgets/touch/fingerpaint/doc/src/fingerpaint.qdoc @@ -0,0 +1,42 @@ +/**************************************************************************** +** +** 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 touch/fingerpaint + \title Finger Paint Example + \ingroup touchinputexamples + \brief Shows the use of a touchscreen to make a simple painting application. + + The Finger Paint example shows the use of a touchscreen with a custom widget + to create a simple painting application. + + \image touch-fingerpaint-example.png + + This example was specifically designed to work with a touchscreen, using + QTouchEvent instead of QMouseEvent to handle user input over the custom + widget. As a result, it is not possible to draw with the mouse cursor. +*/ diff --git a/examples/widgets/touch/fingerpaint/fingerpaint.pro b/examples/widgets/touch/fingerpaint/fingerpaint.pro new file mode 100644 index 0000000000..6370da6607 --- /dev/null +++ b/examples/widgets/touch/fingerpaint/fingerpaint.pro @@ -0,0 +1,13 @@ +QT += widgets +requires(qtConfig(filedialog)) +qtHaveModule(printsupport): QT += printsupport + +HEADERS = mainwindow.h \ + scribblearea.h +SOURCES = main.cpp \ + mainwindow.cpp \ + scribblearea.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/touch/fingerpaint +INSTALLS += target diff --git a/examples/widgets/touch/fingerpaint/main.cpp b/examples/widgets/touch/fingerpaint/main.cpp new file mode 100644 index 0000000000..e7ab8856b7 --- /dev/null +++ b/examples/widgets/touch/fingerpaint/main.cpp @@ -0,0 +1,61 @@ +/**************************************************************************** +** +** 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 + +#include "mainwindow.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + MainWindow window; + window.showMaximized(); + return app.exec(); +} diff --git a/examples/widgets/touch/fingerpaint/mainwindow.cpp b/examples/widgets/touch/fingerpaint/mainwindow.cpp new file mode 100644 index 0000000000..0e45eea240 --- /dev/null +++ b/examples/widgets/touch/fingerpaint/mainwindow.cpp @@ -0,0 +1,227 @@ +/**************************************************************************** +** +** 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 + +#include "mainwindow.h" +#include "scribblearea.h" + +//! [0] +MainWindow::MainWindow() +{ + scribbleArea = new ScribbleArea; + setCentralWidget(scribbleArea); + + createActions(); + createMenus(); + + setWindowTitle(tr("Finger Paint")); + resize(500, 500); +} +//! [0] + +//! [1] +void MainWindow::closeEvent(QCloseEvent *event) +//! [1] //! [2] +{ + if (maybeSave()) { + event->accept(); + } else { + event->ignore(); + } +} +//! [2] + +//! [3] +void MainWindow::open() +//! [3] //! [4] +{ + if (maybeSave()) { + QString fileName = QFileDialog::getOpenFileName(this, + tr("Open File"), QDir::currentPath()); + if (!fileName.isEmpty()) + scribbleArea->openImage(fileName); + } +} +//! [4] + +//! [5] +void MainWindow::save() +//! [5] //! [6] +{ + QAction *action = qobject_cast(sender()); + QByteArray fileFormat = action->data().toByteArray(); + saveFile(fileFormat); +} +//! [6] + +//! [11] +void MainWindow::about() +//! [11] //! [12] +{ + QMessageBox::about(this, tr("About Scribble"), + tr("

The Scribble example shows how to use QMainWindow as the " + "base widget for an application, and how to reimplement some of " + "QWidget's event handlers to receive the events generated for " + "the application's widgets:

We reimplement the mouse event " + "handlers to facilitate drawing, the paint event handler to " + "update the application and the resize event handler to optimize " + "the application's appearance. In addition we reimplement the " + "close event handler to intercept the close events before " + "terminating the application.

The example also demonstrates " + "how to use QPainter to draw an image in real time, as well as " + "to repaint widgets.

")); +} +//! [12] + +//! [13] +void MainWindow::createActions() +//! [13] //! [14] +{ + openAct = new QAction(tr("&Open..."), this); + openAct->setShortcut(tr("Ctrl+O")); + connect(openAct, SIGNAL(triggered()), this, SLOT(open())); + + foreach (QByteArray format, QImageWriter::supportedImageFormats()) { + QString text = tr("%1...").arg(QString(format).toUpper()); + + QAction *action = new QAction(text, this); + action->setData(format); + connect(action, SIGNAL(triggered()), this, SLOT(save())); + saveAsActs.append(action); + } + + printAct = new QAction(tr("&Print..."), this); + connect(printAct, SIGNAL(triggered()), scribbleArea, SLOT(print())); + + exitAct = new QAction(tr("E&xit"), this); + exitAct->setShortcut(tr("Ctrl+Q")); + connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); + + clearScreenAct = new QAction(tr("&Clear Screen"), this); + clearScreenAct->setShortcut(tr("Ctrl+L")); + connect(clearScreenAct, SIGNAL(triggered()), + scribbleArea, SLOT(clearImage())); + + aboutAct = new QAction(tr("&About"), this); + connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); + + aboutQtAct = new QAction(tr("About &Qt"), this); + connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); +} +//! [14] + +//! [15] +void MainWindow::createMenus() +//! [15] //! [16] +{ + saveAsMenu = new QMenu(tr("&Save As"), this); + foreach (QAction *action, saveAsActs) + saveAsMenu->addAction(action); + + fileMenu = new QMenu(tr("&File"), this); + fileMenu->addAction(openAct); + fileMenu->addMenu(saveAsMenu); + fileMenu->addAction(printAct); + fileMenu->addSeparator(); + fileMenu->addAction(exitAct); + + optionMenu = new QMenu(tr("&Options"), this); + optionMenu->addAction(clearScreenAct); + + helpMenu = new QMenu(tr("&Help"), this); + helpMenu->addAction(aboutAct); + helpMenu->addAction(aboutQtAct); + + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(optionMenu); + menuBar()->addMenu(helpMenu); +} +//! [16] + +//! [17] +bool MainWindow::maybeSave() +//! [17] //! [18] +{ + if (scribbleArea->isModified()) { + QMessageBox::StandardButton ret; + ret = QMessageBox::warning(this, tr("Scribble"), + tr("The image has been modified.\n" + "Do you want to save your changes?"), + QMessageBox::Save | QMessageBox::Discard + | QMessageBox::Cancel); + if (ret == QMessageBox::Save) { + return saveFile("png"); + } else if (ret == QMessageBox::Cancel) { + return false; + } + } + return true; +} +//! [18] + +//! [19] +bool MainWindow::saveFile(const QByteArray &fileFormat) +//! [19] //! [20] +{ + QString initialPath = QDir::currentPath() + "/untitled." + fileFormat; + + QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), + initialPath, + tr("%1 Files (*.%2);;All Files (*)") + .arg(QString::fromLatin1(fileFormat.toUpper())) + .arg(QString::fromLatin1(fileFormat))); + if (fileName.isEmpty()) { + return false; + } else { + return scribbleArea->saveImage(fileName, fileFormat.constData()); + } +} +//! [20] diff --git a/examples/widgets/touch/fingerpaint/mainwindow.h b/examples/widgets/touch/fingerpaint/mainwindow.h new file mode 100644 index 0000000000..47c339050e --- /dev/null +++ b/examples/widgets/touch/fingerpaint/mainwindow.h @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** 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 MAINWINDOW_H +#define MAINWINDOW_H + +#include +#include + +class ScribbleArea; + +//! [0] +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +protected: + void closeEvent(QCloseEvent *event) override; + +private slots: + void open(); + void save(); + void about(); + +private: + void createActions(); + void createMenus(); + bool maybeSave(); + bool saveFile(const QByteArray &fileFormat); + + ScribbleArea *scribbleArea; + + QMenu *saveAsMenu; + QMenu *fileMenu; + QMenu *optionMenu; + QMenu *helpMenu; + + QAction *openAct; + QList saveAsActs; + QAction *exitAct; + QAction *printAct; + QAction *clearScreenAct; + QAction *aboutAct; + QAction *aboutQtAct; +}; +//! [0] + +#endif diff --git a/examples/widgets/touch/fingerpaint/scribblearea.cpp b/examples/widgets/touch/fingerpaint/scribblearea.cpp new file mode 100644 index 0000000000..aa4e60c934 --- /dev/null +++ b/examples/widgets/touch/fingerpaint/scribblearea.cpp @@ -0,0 +1,235 @@ +/**************************************************************************** +** +** 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 +#if defined(QT_PRINTSUPPORT_LIB) +#include +#if QT_CONFIG(printdialog) +#include +#include +#endif +#endif + +#include "scribblearea.h" + +static const qreal MinimumDiameter = 3.0; +static const qreal MaximumDiameter = 50.0; + +//! [0] +ScribbleArea::ScribbleArea(QWidget *parent) + : QWidget(parent) +{ + setAttribute(Qt::WA_AcceptTouchEvents); + setAttribute(Qt::WA_StaticContents); + modified = false; + + myPenColors + << QColor("green") + << QColor("purple") + << QColor("red") + << QColor("blue") + << QColor("yellow") + + << QColor("pink") + << QColor("orange") + << QColor("brown") + << QColor("grey") + << QColor("black"); +} +//! [0] + +//! [1] +bool ScribbleArea::openImage(const QString &fileName) +//! [1] //! [2] +{ + QImage loadedImage; + if (!loadedImage.load(fileName)) + return false; + + QSize newSize = loadedImage.size().expandedTo(size()); + resizeImage(&loadedImage, newSize); + image = loadedImage; + modified = false; + update(); + return true; +} +//! [2] + +//! [3] +bool ScribbleArea::saveImage(const QString &fileName, const char *fileFormat) +//! [3] //! [4] +{ + QImage visibleImage = image; + resizeImage(&visibleImage, size()); + + if (visibleImage.save(fileName, fileFormat)) { + modified = false; + return true; + } else { + return false; + } +} +//! [4] + +//! [9] +void ScribbleArea::clearImage() +//! [9] //! [10] +{ + image.fill(qRgb(255, 255, 255)); + modified = true; + update(); +} +//! [10] + +//! [12] //! [13] +void ScribbleArea::paintEvent(QPaintEvent *event) +//! [13] //! [14] +{ + QPainter painter(this); + const QRect rect = event->rect(); + painter.drawImage(rect.topLeft(), image, rect); +} +//! [14] + +//! [15] +void ScribbleArea::resizeEvent(QResizeEvent *event) +//! [15] //! [16] +{ + if (width() > image.width() || height() > image.height()) { + int newWidth = qMax(width() + 128, image.width()); + int newHeight = qMax(height() + 128, image.height()); + resizeImage(&image, QSize(newWidth, newHeight)); + update(); + } + QWidget::resizeEvent(event); +} +//! [16] + +//! [19] +void ScribbleArea::resizeImage(QImage *image, const QSize &newSize) +//! [19] //! [20] +{ + if (image->size() == newSize) + return; + + QImage newImage(newSize, QImage::Format_RGB32); + newImage.fill(qRgb(255, 255, 255)); + QPainter painter(&newImage); + painter.drawImage(QPoint(0, 0), *image); + *image = newImage; +} +//! [20] + +//! [21] +void ScribbleArea::print() +{ +#if QT_CONFIG(printdialog) + QPrinter printer(QPrinter::HighResolution); + + QPrintDialog printDialog(&printer, this); +//! [21] //! [22] + if (printDialog.exec() == QDialog::Accepted) { + QPainter painter(&printer); + QRect rect = painter.viewport(); + QSize size = image.size(); + size.scale(rect.size(), Qt::KeepAspectRatio); + painter.setViewport(rect.x(), rect.y(), size.width(), size.height()); + painter.setWindow(image.rect()); + painter.drawImage(0, 0, image); + } +#endif // QT_CONFIG(printdialog) +} +//! [22] + +bool ScribbleArea::event(QEvent *event) +{ + switch (event->type()) { + case QEvent::TouchBegin: + case QEvent::TouchUpdate: + case QEvent::TouchEnd: + { + QTouchEvent *touch = static_cast(event); + QList touchPoints = static_cast(event)->touchPoints(); + foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) { + switch (touchPoint.state()) { + case Qt::TouchPointStationary: + case Qt::TouchPointReleased: + // don't do anything if this touch point hasn't moved or has been released + continue; + default: + { + QRectF rect = touchPoint.rect(); + if (rect.isEmpty()) { + qreal diameter = MaximumDiameter; + if (touch->device()->capabilities() & QTouchDevice::Pressure) + diameter = MinimumDiameter + (MaximumDiameter - MinimumDiameter) * touchPoint.pressure(); + rect.setSize(QSizeF(diameter, diameter)); + } + + QPainter painter(&image); + painter.setPen(Qt::NoPen); + painter.setBrush(myPenColors.at(touchPoint.id() % myPenColors.count())); + painter.drawEllipse(rect); + painter.end(); + + modified = true; + int rad = 2; + update(rect.toRect().adjusted(-rad,-rad, +rad, +rad)); + } + break; + } + } + break; + } + default: + return QWidget::event(event); + } + return true; +} diff --git a/examples/widgets/touch/fingerpaint/scribblearea.h b/examples/widgets/touch/fingerpaint/scribblearea.h new file mode 100644 index 0000000000..5138e3a1ab --- /dev/null +++ b/examples/widgets/touch/fingerpaint/scribblearea.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** 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 SCRIBBLEAREA_H +#define SCRIBBLEAREA_H + +#include +#include +#include +#include + +//! [0] +class ScribbleArea : public QWidget +{ + Q_OBJECT + +public: + ScribbleArea(QWidget *parent = 0); + + bool openImage(const QString &fileName); + bool saveImage(const QString &fileName, const char *fileFormat); + + bool isModified() const { return modified; } + +public slots: + void clearImage(); + void print(); + +protected: + void paintEvent(QPaintEvent *event) override; + void resizeEvent(QResizeEvent *event) override; + bool event(QEvent *event) override; + +private: + void resizeImage(QImage *image, const QSize &newSize); + + bool modified; + QList myPenColors; + QImage image; +}; +//! [0] + +#endif diff --git a/examples/widgets/touch/knobs/doc/images/touch-knobs-example.png b/examples/widgets/touch/knobs/doc/images/touch-knobs-example.png new file mode 100644 index 0000000000..1cbd90d101 Binary files /dev/null and b/examples/widgets/touch/knobs/doc/images/touch-knobs-example.png differ diff --git a/examples/widgets/touch/knobs/doc/src/touch-knobs.qdoc b/examples/widgets/touch/knobs/doc/src/touch-knobs.qdoc new file mode 100644 index 0000000000..6da5992195 --- /dev/null +++ b/examples/widgets/touch/knobs/doc/src/touch-knobs.qdoc @@ -0,0 +1,38 @@ +/**************************************************************************** +** +** 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 touch/knobs + \title Touch Knobs Example + \ingroup touchinputexamples + \brief Shows how to create custom controls that accept touch input. + + The Touch Knobs example shows how to create custom controls that + accept touch input. + + \image touch-knobs-example.png +*/ diff --git a/examples/widgets/touch/knobs/knob.cpp b/examples/widgets/touch/knobs/knob.cpp new file mode 100644 index 0000000000..12aaa1e948 --- /dev/null +++ b/examples/widgets/touch/knobs/knob.cpp @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** 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 "knob.h" + +#include +#include + +Knob::Knob() + : QGraphicsEllipseItem(-50, -50, 100, 100) +{ + setAcceptTouchEvents(true); + setBrush(Qt::lightGray); + + QGraphicsEllipseItem *leftItem = new QGraphicsEllipseItem(0, 0, 20, 20, this); + leftItem->setPos(-40, -10); + leftItem->setBrush(Qt::darkGreen); + + QGraphicsEllipseItem *rightItem = new QGraphicsEllipseItem(0, 0, 20, 20, this); + rightItem->setPos(20, -10); + rightItem->setBrush(Qt::darkRed); +} + +bool Knob::sceneEvent(QEvent *event) +{ + switch (event->type()) { + case QEvent::TouchBegin: + case QEvent::TouchUpdate: + case QEvent::TouchEnd: + { + QTouchEvent *touchEvent = static_cast(event); + + if (touchEvent->touchPoints().count() == 2) { + const QTouchEvent::TouchPoint &touchPoint1 = touchEvent->touchPoints().first(); + const QTouchEvent::TouchPoint &touchPoint2 = touchEvent->touchPoints().last(); + + QLineF line1(touchPoint1.lastScenePos(), touchPoint2.lastScenePos()); + QLineF line2(touchPoint1.scenePos(), touchPoint2.scenePos()); + + setTransform(QTransform().rotate(line2.angleTo(line1)), true); + } + + break; + } + + default: + return QGraphicsItem::sceneEvent(event); + } + + return true; +} diff --git a/examples/widgets/touch/knobs/knob.h b/examples/widgets/touch/knobs/knob.h new file mode 100644 index 0000000000..c16b61d6f1 --- /dev/null +++ b/examples/widgets/touch/knobs/knob.h @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** 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 KNOB_H +#define KNOB_H + +#include + +class Knob : public QGraphicsEllipseItem +{ +public: + Knob(); + + bool sceneEvent(QEvent *event) override; +}; + +#endif // KNOB_H diff --git a/examples/widgets/touch/knobs/knobs.pro b/examples/widgets/touch/knobs/knobs.pro new file mode 100644 index 0000000000..0915b0665a --- /dev/null +++ b/examples/widgets/touch/knobs/knobs.pro @@ -0,0 +1,8 @@ +QT += widgets + +HEADERS = knob.h +SOURCES = main.cpp knob.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/touch/knobs +INSTALLS += target diff --git a/examples/widgets/touch/knobs/main.cpp b/examples/widgets/touch/knobs/main.cpp new file mode 100644 index 0000000000..ea0e857e7b --- /dev/null +++ b/examples/widgets/touch/knobs/main.cpp @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** 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 +#include + +#include "knob.h" + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + + QGraphicsScene scene; + QGraphicsView view(&scene); + + Knob *knob1 = new Knob; + knob1->setPos(-110, 0); + Knob *knob2 = new Knob; + + scene.addItem(knob1); + scene.addItem(knob2); + + view.showMaximized(); + view.fitInView(scene.sceneRect().adjusted(-20, -20, 20, 20), Qt::KeepAspectRatio); + + return app.exec(); +} diff --git a/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png b/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png new file mode 100644 index 0000000000..7db51fbf55 Binary files /dev/null and b/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png differ diff --git a/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc b/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc new file mode 100644 index 0000000000..61db2f96c5 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc @@ -0,0 +1,38 @@ +/**************************************************************************** +** +** 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 touch/pinchzoom + \title Pinch Zoom Example + \ingroup touchinputexamples + \brief Shows how to recognize a gesture. + + The Pinch Zoom example shows how to use low-level touch information + to recognize a gesture. + + \image touch-pinchzoom-example.png +*/ diff --git a/examples/widgets/touch/pinchzoom/graphicsview.cpp b/examples/widgets/touch/pinchzoom/graphicsview.cpp new file mode 100644 index 0000000000..54e134aea2 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/graphicsview.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** 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 "graphicsview.h" + +#include +#include + +GraphicsView::GraphicsView(QGraphicsScene *scene, QWidget *parent) + : QGraphicsView(scene, parent), totalScaleFactor(1) +{ + viewport()->setAttribute(Qt::WA_AcceptTouchEvents); + setDragMode(ScrollHandDrag); +} + +bool GraphicsView::viewportEvent(QEvent *event) +{ + switch (event->type()) { + case QEvent::TouchBegin: + case QEvent::TouchUpdate: + case QEvent::TouchEnd: + { + QTouchEvent *touchEvent = static_cast(event); + QList touchPoints = touchEvent->touchPoints(); + if (touchPoints.count() == 2) { + // determine scale factor + const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first(); + const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last(); + qreal currentScaleFactor = + QLineF(touchPoint0.pos(), touchPoint1.pos()).length() + / QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length(); + if (touchEvent->touchPointStates() & Qt::TouchPointReleased) { + // if one of the fingers is released, remember the current scale + // factor so that adding another finger later will continue zooming + // by adding new scale factor to the existing remembered value. + totalScaleFactor *= currentScaleFactor; + currentScaleFactor = 1; + } + setTransform(QTransform().scale(totalScaleFactor * currentScaleFactor, + totalScaleFactor * currentScaleFactor)); + } + return true; + } + default: + break; + } + return QGraphicsView::viewportEvent(event); +} diff --git a/examples/widgets/touch/pinchzoom/graphicsview.h b/examples/widgets/touch/pinchzoom/graphicsview.h new file mode 100644 index 0000000000..d4e2e32d36 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/graphicsview.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** 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$ +** +****************************************************************************/ + +#pragma once +#include + +class GraphicsView : public QGraphicsView +{ + Q_OBJECT + +public: + GraphicsView(QGraphicsScene *scene = 0, QWidget *parent = 0); + + bool viewportEvent(QEvent *event) override; + +private: + qreal totalScaleFactor; +}; diff --git a/examples/widgets/touch/pinchzoom/images/cheese.jpg b/examples/widgets/touch/pinchzoom/images/cheese.jpg new file mode 100644 index 0000000000..dea5795fd0 Binary files /dev/null and b/examples/widgets/touch/pinchzoom/images/cheese.jpg differ diff --git a/examples/widgets/touch/pinchzoom/main.cpp b/examples/widgets/touch/pinchzoom/main.cpp new file mode 100644 index 0000000000..938432600f --- /dev/null +++ b/examples/widgets/touch/pinchzoom/main.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** 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 "graphicsview.h" +#include "mouse.h" + +#include + +#include + +static const int MouseCount = 7; + +//! [0] +int main(int argc, char **argv) +{ + QApplication app(argc, argv); +//! [0] + +//! [1] + QGraphicsScene scene; + scene.setSceneRect(-300, -300, 600, 600); +//! [1] //! [2] + scene.setItemIndexMethod(QGraphicsScene::NoIndex); +//! [2] + +//! [3] + for (int i = 0; i < MouseCount; ++i) { + Mouse *mouse = new Mouse; + mouse->setPos(::sin((i * 6.28) / MouseCount) * 200, + ::cos((i * 6.28) / MouseCount) * 200); + scene.addItem(mouse); + } +//! [3] + +//! [4] + GraphicsView view(&scene); + view.setRenderHint(QPainter::Antialiasing); + view.setBackgroundBrush(QPixmap(":/images/cheese.jpg")); +//! [4] //! [5] + view.setCacheMode(QGraphicsView::CacheBackground); + view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate); +//! [5] //! [6] + view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice")); + view.showMaximized(); + + return app.exec(); +} +//! [6] diff --git a/examples/widgets/touch/pinchzoom/mice.qrc b/examples/widgets/touch/pinchzoom/mice.qrc new file mode 100644 index 0000000000..accdb4d0a6 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/mice.qrc @@ -0,0 +1,5 @@ + + + images/cheese.jpg + + diff --git a/examples/widgets/touch/pinchzoom/mouse.cpp b/examples/widgets/touch/pinchzoom/mouse.cpp new file mode 100644 index 0000000000..1e6814be13 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/mouse.cpp @@ -0,0 +1,205 @@ +/**************************************************************************** +** +** 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 "mouse.h" + +#include +#include +#include +#include +#include + +const qreal Pi = M_PI; +const qreal TwoPi = 2 * M_PI; + +static qreal normalizeAngle(qreal angle) +{ + while (angle < 0) + angle += TwoPi; + while (angle > TwoPi) + angle -= TwoPi; + return angle; +} + +//! [0] +Mouse::Mouse() + : angle(0), speed(0), mouseEyeDirection(0), + color(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256)) +{ + setTransform(QTransform().rotate(QRandomGenerator::global()->bounded(360 * 16)), true); + startTimer(1000 / 33); +} +//! [0] + +//! [1] +QRectF Mouse::boundingRect() const +{ + qreal adjust = 0.5; + return QRectF(-18 - adjust, -22 - adjust, + 36 + adjust, 60 + adjust); +} +//! [1] + +//! [2] +QPainterPath Mouse::shape() const +{ + QPainterPath path; + path.addRect(-10, -20, 20, 40); + return path; +} +//! [2] + +//! [3] +void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) +{ + // Body + painter->setBrush(color); + painter->drawEllipse(-10, -20, 20, 40); + + // Eyes + painter->setBrush(Qt::white); + painter->drawEllipse(-10, -17, 8, 8); + painter->drawEllipse(2, -17, 8, 8); + + // Nose + painter->setBrush(Qt::black); + painter->drawEllipse(QRectF(-2, -22, 4, 4)); + + // Pupils + painter->drawEllipse(QRectF(-8.0 + mouseEyeDirection, -17, 4, 4)); + painter->drawEllipse(QRectF(4.0 + mouseEyeDirection, -17, 4, 4)); + + // Ears + painter->setBrush(scene()->collidingItems(this).isEmpty() ? Qt::darkYellow : Qt::red); + painter->drawEllipse(-17, -12, 16, 16); + painter->drawEllipse(1, -12, 16, 16); + + // Tail + QPainterPath path(QPointF(0, 20)); + path.cubicTo(-5, 22, -5, 22, 0, 25); + path.cubicTo(5, 27, 5, 32, 0, 30); + path.cubicTo(-5, 32, -5, 42, 0, 35); + painter->setBrush(Qt::NoBrush); + painter->drawPath(path); +} +//! [3] + +//! [4] +void Mouse::timerEvent(QTimerEvent *) +{ +//! [4] + // Don't move too far away +//! [5] + QLineF lineToCenter(QPointF(0, 0), mapFromScene(0, 0)); + if (lineToCenter.length() > 150) { + qreal angleToCenter = std::atan2(lineToCenter.dy(), lineToCenter.dx()); + angleToCenter = normalizeAngle((Pi - angleToCenter) + Pi / 2); + + if (angleToCenter < Pi && angleToCenter > Pi / 4) { + // Rotate left + angle += (angle < -Pi / 2) ? 0.25 : -0.25; + } else if (angleToCenter >= Pi && angleToCenter < (Pi + Pi / 2 + Pi / 4)) { + // Rotate right + angle += (angle < Pi / 2) ? 0.25 : -0.25; + } + } else if (::sin(angle) < 0) { + angle += 0.25; + } else if (::sin(angle) > 0) { + angle -= 0.25; +//! [5] //! [6] + } +//! [6] + + // Try not to crash with any other mice +//! [7] + QList dangerMice = scene()->items(QPolygonF() + << mapToScene(0, 0) + << mapToScene(-30, -50) + << mapToScene(30, -50)); + foreach (QGraphicsItem *item, dangerMice) { + if (item == this) + continue; + + QLineF lineToMouse(QPointF(0, 0), mapFromItem(item, 0, 0)); + qreal angleToMouse = std::atan2(lineToMouse.dy(), lineToMouse.dx()); + angleToMouse = normalizeAngle((Pi - angleToMouse) + Pi / 2); + + if (angleToMouse >= 0 && angleToMouse < Pi / 2) { + // Rotate right + angle += 0.5; + } else if (angleToMouse <= TwoPi && angleToMouse > (TwoPi - Pi / 2)) { + // Rotate left + angle -= 0.5; +//! [7] //! [8] + } +//! [8] //! [9] + } +//! [9] + + // Add some random movement +//! [10] + if (dangerMice.size() > 1 && QRandomGenerator::global()->bounded(10) == 0) { + if (QRandomGenerator::global()->bounded(1)) + angle += QRandomGenerator::global()->bounded(1 / 500.0); + else + angle -= QRandomGenerator::global()->bounded(1 / 500.0); + } +//! [10] + +//! [11] + speed += (-50 + QRandomGenerator::global()->bounded(100)) / 100.0; + + qreal dx = ::sin(angle) * 10; + mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5; + + setTransform(QTransform().rotate(dx), true); + setPos(mapToParent(0, -(3 + sin(speed) * 3))); +} +//! [11] diff --git a/examples/widgets/touch/pinchzoom/mouse.h b/examples/widgets/touch/pinchzoom/mouse.h new file mode 100644 index 0000000000..870bfcd6c0 --- /dev/null +++ b/examples/widgets/touch/pinchzoom/mouse.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** 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 MOUSE_H +#define MOUSE_H + +#include + +//! [0] +class Mouse : public QGraphicsObject +{ + Q_OBJECT + +public: + Mouse(); + + QRectF boundingRect() const override; + QPainterPath shape() const override; + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) override; + +protected: + void timerEvent(QTimerEvent *event) override; + +private: + qreal angle; + qreal speed; + qreal mouseEyeDirection; + QColor color; +}; +//! [0] + +#endif diff --git a/examples/widgets/touch/pinchzoom/pinchzoom.pro b/examples/widgets/touch/pinchzoom/pinchzoom.pro new file mode 100644 index 0000000000..ebbc7ddf1f --- /dev/null +++ b/examples/widgets/touch/pinchzoom/pinchzoom.pro @@ -0,0 +1,16 @@ +QT += widgets + +HEADERS += \ + mouse.h \ + graphicsview.h +SOURCES += \ + main.cpp \ + mouse.cpp \ + graphicsview.cpp + +RESOURCES += \ + mice.qrc + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/touch/pinchzoom +INSTALLS += target diff --git a/examples/widgets/touch/touch.pro b/examples/widgets/touch/touch.pro new file mode 100644 index 0000000000..018ec134eb --- /dev/null +++ b/examples/widgets/touch/touch.pro @@ -0,0 +1,4 @@ +requires(qtHaveModule(widgets)) + +TEMPLATE = subdirs +SUBDIRS = pinchzoom fingerpaint knobs dials diff --git a/examples/widgets/widgets.pro b/examples/widgets/widgets.pro index f9d863b69e..8bd85bfe6b 100644 --- a/examples/widgets/widgets.pro +++ b/examples/widgets/widgets.pro @@ -19,6 +19,7 @@ SUBDIRS = \ scroller \ statemachine \ tools \ + touch \ tutorials \ widgets -- cgit v1.2.3