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-rw-r--r--examples/embedded/flickable/CMakeLists.txt40
-rw-r--r--examples/embedded/flickable/flickable.cpp293
-rw-r--r--examples/embedded/flickable/flickable.h87
-rw-r--r--examples/embedded/flickable/flickable.pro7
-rw-r--r--examples/embedded/flickable/main.cpp237
5 files changed, 0 insertions, 664 deletions
diff --git a/examples/embedded/flickable/CMakeLists.txt b/examples/embedded/flickable/CMakeLists.txt
deleted file mode 100644
index 002ccf1198..0000000000
--- a/examples/embedded/flickable/CMakeLists.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-# Generated from flickable.pro.
-
-cmake_minimum_required(VERSION 3.14)
-project(flickable LANGUAGES CXX)
-
-set(CMAKE_INCLUDE_CURRENT_DIR ON)
-
-set(CMAKE_AUTOMOC ON)
-set(CMAKE_AUTORCC ON)
-set(CMAKE_AUTOUIC ON)
-
-if(NOT DEFINED INSTALL_EXAMPLESDIR)
- set(INSTALL_EXAMPLESDIR "examples")
-endif()
-
-set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/embedded/flickable")
-
-find_package(Qt6 COMPONENTS Core)
-find_package(Qt6 COMPONENTS Gui)
-find_package(Qt6 COMPONENTS Widgets)
-
-qt_add_executable(flickable
- flickable.cpp flickable.h
- main.cpp
-)
-set_target_properties(flickable PROPERTIES
- WIN32_EXECUTABLE TRUE
- MACOSX_BUNDLE TRUE
-)
-target_link_libraries(flickable PUBLIC
- Qt::Core
- Qt::Gui
- Qt::Widgets
-)
-
-install(TARGETS flickable
- RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
- BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
- LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
-)
diff --git a/examples/embedded/flickable/flickable.cpp b/examples/embedded/flickable/flickable.cpp
deleted file mode 100644
index 8cf7a28cde..0000000000
--- a/examples/embedded/flickable/flickable.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications 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 "flickable.h"
-
-#include <QtCore>
-#include <QtWidgets>
-
-class FlickableTicker: QObject
-{
-public:
- FlickableTicker(Flickable *scroller) {
- m_scroller = scroller;
- }
-
- void start(int interval) {
- if (!m_timer.isActive())
- m_timer.start(interval, this);
- }
-
- void stop() {
- m_timer.stop();
- }
-
-protected:
- void timerEvent(QTimerEvent *event) {
- Q_UNUSED(event);
- m_scroller->tick();
- }
-
-private:
- Flickable *m_scroller;
- QBasicTimer m_timer;
-};
-
-class FlickablePrivate
-{
-public:
- typedef enum {
- Steady,
- Pressed,
- ManualScroll,
- AutoScroll,
- Stop
- } State;
-
- State state;
- int threshold;
- QPoint pressPos;
- QPoint offset;
- QPoint delta;
- QPoint speed;
- FlickableTicker *ticker;
- QElapsedTimer timeStamp;
- QWidget *target;
- QList<QEvent*> ignoreList;
-};
-
-Flickable::Flickable()
-{
- d = new FlickablePrivate;
- d->state = FlickablePrivate::Steady;
- d->threshold = 10;
- d->ticker = new FlickableTicker(this);
- d->timeStamp.start();
- d->target = 0;
-}
-
-Flickable::~Flickable()
-{
- delete d;
-}
-
-void Flickable::setThreshold(int th)
-{
- if (th >= 0)
- d->threshold = th;
-}
-
-int Flickable::threshold() const
-{
- return d->threshold;
-}
-
-void Flickable::setAcceptMouseClick(QWidget *target)
-{
- d->target = target;
-}
-
-static QPoint deaccelerate(const QPoint &speed, int a = 1, int max = 64)
-{
- int x = qBound(-max, speed.x(), max);
- int y = qBound(-max, speed.y(), max);
- x = (x == 0) ? x : (x > 0) ? qMax(0, x - a) : qMin(0, x + a);
- y = (y == 0) ? y : (y > 0) ? qMax(0, y - a) : qMin(0, y + a);
- return QPoint(x, y);
-}
-
-void Flickable::handleMousePress(QMouseEvent *event)
-{
- event->ignore();
-
- if (event->button() != Qt::LeftButton)
- return;
-
- if (d->ignoreList.removeAll(event))
- return;
-
- switch (d->state) {
-
- case FlickablePrivate::Steady:
- event->accept();
- d->state = FlickablePrivate::Pressed;
- d->pressPos = event->position().toPoint();
- break;
-
- case FlickablePrivate::AutoScroll:
- event->accept();
- d->state = FlickablePrivate::Stop;
- d->speed = QPoint(0, 0);
- d->pressPos = event->position().toPoint();
- d->offset = scrollOffset();
- d->ticker->stop();
- break;
-
- default:
- break;
- }
-}
-
-void Flickable::handleMouseRelease(QMouseEvent *event)
-{
- event->ignore();
-
- if (event->button() != Qt::LeftButton)
- return;
-
- if (d->ignoreList.removeAll(event))
- return;
-
- QPoint delta;
-
- switch (d->state) {
-
- case FlickablePrivate::Pressed:
- event->accept();
- d->state = FlickablePrivate::Steady;
- if (d->target) {
- QMouseEvent *event1 = new QMouseEvent(QEvent::MouseButtonPress,
- d->pressPos, Qt::LeftButton,
- Qt::LeftButton, Qt::NoModifier);
- QMouseEvent *event2 = event->clone();
- d->ignoreList << event1;
- d->ignoreList << event2;
- QApplication::postEvent(d->target, event1);
- QApplication::postEvent(d->target, event2);
- }
- break;
-
- case FlickablePrivate::ManualScroll:
- event->accept();
- delta = event->position().toPoint() - d->pressPos;
- if (d->timeStamp.elapsed() > 100) {
- d->timeStamp.start();
- d->speed = delta - d->delta;
- d->delta = delta;
- }
- d->offset = scrollOffset();
- d->pressPos = event->position().toPoint();
- if (d->speed == QPoint(0, 0)) {
- d->state = FlickablePrivate::Steady;
- } else {
- d->speed /= 4;
- d->state = FlickablePrivate::AutoScroll;
- d->ticker->start(20);
- }
- break;
-
- case FlickablePrivate::Stop:
- event->accept();
- d->state = FlickablePrivate::Steady;
- d->offset = scrollOffset();
- break;
-
- default:
- break;
- }
-}
-
-void Flickable::handleMouseMove(QMouseEvent *event)
-{
- event->ignore();
-
- if (!(event->buttons() & Qt::LeftButton))
- return;
-
- if (d->ignoreList.removeAll(event))
- return;
-
- QPoint delta;
-
- switch (d->state) {
-
- case FlickablePrivate::Pressed:
- case FlickablePrivate::Stop:
- delta = event->position().toPoint() - d->pressPos;
- if (delta.x() > d->threshold || delta.x() < -d->threshold ||
- delta.y() > d->threshold || delta.y() < -d->threshold) {
- d->timeStamp.start();
- d->state = FlickablePrivate::ManualScroll;
- d->delta = QPoint(0, 0);
- d->pressPos = event->position().toPoint();
- event->accept();
- }
- break;
-
- case FlickablePrivate::ManualScroll:
- event->accept();
- delta = event->position().toPoint() - d->pressPos;
- setScrollOffset(d->offset - delta);
- if (d->timeStamp.elapsed() > 100) {
- d->timeStamp.start();
- d->speed = delta - d->delta;
- d->delta = delta;
- }
- break;
-
- default:
- break;
- }
-}
-
-void Flickable::tick()
-{
- if (d->state == FlickablePrivate:: AutoScroll) {
- d->speed = deaccelerate(d->speed);
- setScrollOffset(d->offset - d->speed);
- d->offset = scrollOffset();
- if (d->speed == QPoint(0, 0)) {
- d->state = FlickablePrivate::Steady;
- d->ticker->stop();
- }
- } else {
- d->ticker->stop();
- }
-}
diff --git a/examples/embedded/flickable/flickable.h b/examples/embedded/flickable/flickable.h
deleted file mode 100644
index 276510a849..0000000000
--- a/examples/embedded/flickable/flickable.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications 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 FLICKABLE_H
-#define FLICKABLE_H
-
-#include <QWidget>
-
-class FlickableTicker;
-class FlickablePrivate;
-
-class Flickable
-{
-public:
-
- Flickable();
- virtual ~Flickable();
-
- void setThreshold(int threshold);
- int threshold() const;
-
- void setAcceptMouseClick(QWidget *target);
-
- void handleMousePress(QMouseEvent *event);
- void handleMouseMove(QMouseEvent *event);
- void handleMouseRelease(QMouseEvent *event);
-
-protected:
- virtual QPoint scrollOffset() const = 0;
- virtual void setScrollOffset(const QPoint &offset) = 0;
-
-private:
- void tick();
-
-private:
- FlickablePrivate *d;
- friend class FlickableTicker;
-};
-
-#endif // FLICKABLE_H
diff --git a/examples/embedded/flickable/flickable.pro b/examples/embedded/flickable/flickable.pro
deleted file mode 100644
index 5929207414..0000000000
--- a/examples/embedded/flickable/flickable.pro
+++ /dev/null
@@ -1,7 +0,0 @@
-QT += widgets
-
-SOURCES = flickable.cpp main.cpp
-HEADERS = flickable.h
-
-target.path = $$[QT_INSTALL_EXAMPLES]/embedded/flickable
-INSTALLS += target
diff --git a/examples/embedded/flickable/main.cpp b/examples/embedded/flickable/main.cpp
deleted file mode 100644
index fd30d15e49..0000000000
--- a/examples/embedded/flickable/main.cpp
+++ /dev/null
@@ -1,237 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications 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 <QtCore>
-#include <QtWidgets>
-
-#include "flickable.h"
-
-// Returns a list of two-word color names
-static QStringList colorPairs(int max)
-{
- // capitalize the first letter
- QStringList colors = QColor::colorNames();
- colors.removeAll("transparent");
- int num = colors.count();
- for (int c = 0; c < num; ++c)
- colors[c] = colors[c][0].toUpper() + colors[c].mid(1);
-
- // combine two colors, e.g. "lime skyblue"
- QStringList combinedColors;
- for (int i = 0; i < num; ++i)
- for (int j = 0; j < num; ++j)
- combinedColors << QString("%1 %2").arg(colors[i]).arg(colors[j]);
-
- // randomize it
- colors.clear();
- while (combinedColors.count()) {
- int i = QRandomGenerator::global()->bounded(int(combinedColors.count()));
- colors << combinedColors[i];
- combinedColors.removeAt(i);
- if (colors.count() == max)
- break;
- }
-
- return colors;
-}
-
-class ColorList : public QWidget, public Flickable
-{
- Q_OBJECT
-
-public:
- ColorList(QWidget *parent = nullptr)
- : QWidget(parent) {
- m_offset = 0;
- m_height = QFontMetrics(font()).height() + 5;
- m_highlight = -1;
- m_selected = -1;
-
- QStringList colors = colorPairs(999);
- for (int i = 0; i < colors.count(); ++i) {
- const QString c = colors[i];
- const QString str = QString::asprintf("%4d", i + 1);
- m_colorNames << (str + " " + c);
-
- QStringList duet = c.split(' ');
- m_firstColor << duet[0];
- m_secondColor << duet[1];
- }
-
- setAttribute(Qt::WA_OpaquePaintEvent, true);
- setAttribute(Qt::WA_NoSystemBackground, true);
-
- setMouseTracking(true);
- Flickable::setAcceptMouseClick(this);
- }
-
-protected:
- // reimplement from Flickable
- virtual QPoint scrollOffset() const {
- return QPoint(0, m_offset);
- }
-
- // reimplement from Flickable
- virtual void setScrollOffset(const QPoint &offset) {
- int yy = offset.y();
- if (yy != m_offset) {
- m_offset = qBound(0, yy, m_height * m_colorNames.count() - height());
- update();
- }
- }
-
-protected:
- void paintEvent(QPaintEvent *event) {
- QPainter p(this);
- p.fillRect(event->rect(), Qt::white);
- int start = m_offset / m_height;
- int y = start * m_height - m_offset;
- if (m_offset <= 0) {
- start = 0;
- y = -m_offset;
- }
- int end = start + height() / m_height + 1;
- if (end > m_colorNames.count() - 1)
- end = m_colorNames.count() - 1;
- for (int i = start; i <= end; ++i, y += m_height) {
-
- p.setBrush(Qt::NoBrush);
- p.setPen(Qt::black);
- if (i == m_highlight) {
- p.fillRect(0, y, width(), m_height, QColor(0, 64, 128));
- p.setPen(Qt::white);
- }
- if (i == m_selected) {
- p.fillRect(0, y, width(), m_height, QColor(0, 128, 240));
- p.setPen(Qt::white);
- }
-
- p.drawText(m_height + 2, y, width(), m_height, Qt::AlignVCenter, m_colorNames[i]);
-
- p.setPen(Qt::NoPen);
- p.setBrush(m_firstColor[i]);
- p.drawRect(1, y + 1, m_height - 2, m_height - 2);
- p.setBrush(m_secondColor[i]);
- p.drawRect(5, y + 5, m_height - 11, m_height - 11);
- }
- p.end();
- }
-
- void keyReleaseEvent(QKeyEvent *event) {
- if (event->key() == Qt::Key_Down) {
- m_offset += 20;
- event->accept();
- update();
- return;
- }
- if (event->key() == Qt::Key_Up) {
- m_offset -= 20;
- event->accept();
- update();
- return;
- }
- }
-
- void mousePressEvent(QMouseEvent *event) {
- Flickable::handleMousePress(event);
- if (event->isAccepted())
- return;
-
- if (event->button() == Qt::LeftButton) {
- int y = event->position().toPoint().y() + m_offset;
- int i = y / m_height;
- if (i != m_highlight) {
- m_highlight = i;
- m_selected = -1;
- update();
- }
- event->accept();
- }
- }
-
- void mouseMoveEvent(QMouseEvent *event) {
- Flickable::handleMouseMove(event);
- }
-
- void mouseReleaseEvent(QMouseEvent *event) {
- Flickable::handleMouseRelease(event);
- if (event->isAccepted())
- return;
-
- if (event->button() == Qt::LeftButton) {
- m_selected = m_highlight;
- event->accept();
- update();
- }
- }
-
-private:
- int m_offset;
- int m_height;
- int m_highlight;
- int m_selected;
- QStringList m_colorNames;
- QList<QColor> m_firstColor;
- QList<QColor> m_secondColor;
-};
-
-#include "main.moc"
-
-int main(int argc, char *argv[])
-{
- QApplication app(argc, argv);
-
- ColorList list;
- list.setWindowTitle("Kinetic Scrolling");
- list.resize(320, 320);
- list.show();
-
- return app.exec();
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 03:47:12 +0000