f9bf737d74
Use character literals where applicable. Change-Id: I79fa5018f05735201ae35ee94ba0d356fcad1056 Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
402 lines
12 KiB
C++
402 lines
12 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the demonstration applications of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** 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 http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QtCore>
|
|
#include <QtWidgets>
|
|
|
|
class Digits: public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
enum {
|
|
Slide,
|
|
Flip,
|
|
Rotate
|
|
};
|
|
|
|
Digits(QWidget *parent)
|
|
: QWidget(parent)
|
|
, m_number(0)
|
|
, m_transition(Slide)
|
|
{
|
|
setAttribute(Qt::WA_OpaquePaintEvent, true);
|
|
setAttribute(Qt::WA_NoSystemBackground, true);
|
|
connect(&m_animator, SIGNAL(frameChanged(int)), SLOT(update()));
|
|
m_animator.setFrameRange(0, 100);
|
|
m_animator.setDuration(600);
|
|
m_animator.setCurveShape(QTimeLine::EaseInOutCurve);
|
|
}
|
|
|
|
void setTransition(int tr) {
|
|
m_transition = tr;
|
|
}
|
|
|
|
int transition() const {
|
|
return m_transition;
|
|
}
|
|
|
|
void setNumber(int n) {
|
|
if (m_number != n) {
|
|
m_number = qBound(0, n, 99);
|
|
preparePixmap();
|
|
update();
|
|
}
|
|
}
|
|
|
|
void flipTo(int n) {
|
|
if (m_number != n) {
|
|
m_number = qBound(0, n, 99);
|
|
m_lastPixmap = m_pixmap;
|
|
preparePixmap();
|
|
m_animator.stop();
|
|
m_animator.start();
|
|
}
|
|
}
|
|
|
|
protected:
|
|
|
|
void drawFrame(QPainter *p, const QRect &rect) {
|
|
p->setPen(Qt::NoPen);
|
|
QLinearGradient gradient(rect.topLeft(), rect.bottomLeft());
|
|
gradient.setColorAt(0.00, QColor(245, 245, 245));
|
|
gradient.setColorAt(0.49, QColor(192, 192, 192));
|
|
gradient.setColorAt(0.51, QColor(245, 245, 245));
|
|
gradient.setColorAt(1.00, QColor(192, 192, 192));
|
|
p->setBrush(gradient);
|
|
QRect r = rect;
|
|
p->drawRoundedRect(r, 15, 15, Qt::RelativeSize);
|
|
r.adjust(1, 4, -1, -4);
|
|
p->setPen(QColor(181, 181, 181));
|
|
p->setBrush(Qt::NoBrush);
|
|
p->drawRoundedRect(r, 15, 15, Qt::RelativeSize);
|
|
p->setPen(QColor(159, 159, 159));
|
|
int y = rect.top() + rect.height() / 2 - 1;
|
|
p->drawLine(rect.left(), y, rect.right(), y);
|
|
}
|
|
|
|
QPixmap drawDigits(int n, const QRect &rect) {
|
|
|
|
int scaleFactor = 2;
|
|
|
|
QString str = QString::number(n);
|
|
if (str.length() == 1)
|
|
str.prepend('0');
|
|
|
|
QFont font;
|
|
font.setFamily("Helvetica");
|
|
int fontHeight = scaleFactor * 0.55 * rect.height();
|
|
font.setPixelSize(fontHeight);
|
|
font.setBold(true);
|
|
|
|
QPixmap pixmap(rect.size() * scaleFactor);
|
|
pixmap.fill(Qt::transparent);
|
|
|
|
QLinearGradient gradient(QPoint(0, 0), QPoint(0, pixmap.height()));
|
|
gradient.setColorAt(0.00, QColor(128, 128, 128));
|
|
gradient.setColorAt(0.49, QColor(64, 64, 64));
|
|
gradient.setColorAt(0.51, QColor(128, 128, 128));
|
|
gradient.setColorAt(1.00, QColor(16, 16, 16));
|
|
|
|
QPainter p;
|
|
p.begin(&pixmap);
|
|
p.setFont(font);
|
|
QPen pen;
|
|
pen.setBrush(QBrush(gradient));
|
|
p.setPen(pen);
|
|
p.drawText(pixmap.rect(), Qt::AlignCenter, str);
|
|
p.end();
|
|
|
|
return pixmap.scaledToWidth(width(), Qt::SmoothTransformation);
|
|
}
|
|
|
|
void preparePixmap() {
|
|
m_pixmap = QPixmap(size());
|
|
m_pixmap.fill(Qt::transparent);
|
|
QPainter p;
|
|
p.begin(&m_pixmap);
|
|
p.drawPixmap(0, 0, drawDigits(m_number, rect()));
|
|
p.end();
|
|
}
|
|
|
|
void resizeEvent(QResizeEvent*) {
|
|
preparePixmap();
|
|
update();
|
|
}
|
|
|
|
void paintStatic() {
|
|
QPainter p(this);
|
|
p.fillRect(rect(), Qt::black);
|
|
|
|
int pad = width() / 10;
|
|
drawFrame(&p, rect().adjusted(pad, pad, -pad, -pad));
|
|
p.drawPixmap(0, 0, m_pixmap);
|
|
}
|
|
|
|
void paintSlide() {
|
|
QPainter p(this);
|
|
p.fillRect(rect(), Qt::black);
|
|
|
|
int pad = width() / 10;
|
|
QRect fr = rect().adjusted(pad, pad, -pad, -pad);
|
|
drawFrame(&p, fr);
|
|
p.setClipRect(fr);
|
|
|
|
int y = height() * m_animator.currentFrame() / 100;
|
|
p.drawPixmap(0, y, m_lastPixmap);
|
|
p.drawPixmap(0, y - height(), m_pixmap);
|
|
}
|
|
|
|
void paintFlip() {
|
|
QPainter p(this);
|
|
p.setRenderHint(QPainter::SmoothPixmapTransform, true);
|
|
p.setRenderHint(QPainter::Antialiasing, true);
|
|
p.fillRect(rect(), Qt::black);
|
|
|
|
int hw = width() / 2;
|
|
int hh = height() / 2;
|
|
|
|
// behind is the new pixmap
|
|
int pad = width() / 10;
|
|
QRect fr = rect().adjusted(pad, pad, -pad, -pad);
|
|
drawFrame(&p, fr);
|
|
p.drawPixmap(0, 0, m_pixmap);
|
|
|
|
int index = m_animator.currentFrame();
|
|
|
|
if (index <= 50) {
|
|
|
|
// the top part of the old pixmap is flipping
|
|
int angle = -180 * index / 100;
|
|
QTransform transform;
|
|
transform.translate(hw, hh);
|
|
transform.rotate(angle, Qt::XAxis);
|
|
p.setTransform(transform);
|
|
drawFrame(&p, fr.adjusted(-hw, -hh, -hw, -hh));
|
|
p.drawPixmap(-hw, -hh, m_lastPixmap);
|
|
|
|
// the bottom part is still the old pixmap
|
|
p.resetTransform();
|
|
p.setClipRect(0, hh, width(), hh);
|
|
drawFrame(&p, fr);
|
|
p.drawPixmap(0, 0, m_lastPixmap);
|
|
} else {
|
|
|
|
p.setClipRect(0, hh, width(), hh);
|
|
|
|
// the bottom part is still the old pixmap
|
|
drawFrame(&p, fr);
|
|
p.drawPixmap(0, 0, m_lastPixmap);
|
|
|
|
// the bottom part of the new pixmap is flipping
|
|
int angle = 180 - 180 * m_animator.currentFrame() / 100;
|
|
QTransform transform;
|
|
transform.translate(hw, hh);
|
|
transform.rotate(angle, Qt::XAxis);
|
|
p.setTransform(transform);
|
|
drawFrame(&p, fr.adjusted(-hw, -hh, -hw, -hh));
|
|
p.drawPixmap(-hw, -hh, m_pixmap);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void paintRotate() {
|
|
QPainter p(this);
|
|
|
|
int pad = width() / 10;
|
|
QRect fr = rect().adjusted(pad, pad, -pad, -pad);
|
|
drawFrame(&p, fr);
|
|
p.setClipRect(fr);
|
|
|
|
int angle1 = -180 * m_animator.currentFrame() / 100;
|
|
int angle2 = 180 - 180 * m_animator.currentFrame() / 100;
|
|
int angle = (m_animator.currentFrame() <= 50) ? angle1 : angle2;
|
|
QPixmap pix = (m_animator.currentFrame() <= 50) ? m_lastPixmap : m_pixmap;
|
|
|
|
QTransform transform;
|
|
transform.translate(width() / 2, height() / 2);
|
|
transform.rotate(angle, Qt::XAxis);
|
|
|
|
p.setTransform(transform);
|
|
p.setRenderHint(QPainter::SmoothPixmapTransform, true);
|
|
p.drawPixmap(-width() / 2, -height() / 2, pix);
|
|
}
|
|
|
|
void paintEvent(QPaintEvent *event) {
|
|
Q_UNUSED(event);
|
|
if (m_animator.state() == QTimeLine::Running) {
|
|
if (m_transition == Slide)
|
|
paintSlide();
|
|
if (m_transition == Flip)
|
|
paintFlip();
|
|
if (m_transition == Rotate)
|
|
paintRotate();
|
|
} else {
|
|
paintStatic();
|
|
}
|
|
}
|
|
|
|
private:
|
|
int m_number;
|
|
int m_transition;
|
|
QPixmap m_pixmap;
|
|
QPixmap m_lastPixmap;
|
|
QTimeLine m_animator;
|
|
};
|
|
|
|
class DigiFlip : public QMainWindow
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
DigiFlip(QWidget *parent = 0)
|
|
: QMainWindow(parent)
|
|
{
|
|
m_hour = new Digits(this);
|
|
m_hour->show();
|
|
m_minute = new Digits(this);
|
|
m_minute->show();
|
|
|
|
QPalette pal = palette();
|
|
pal.setColor(QPalette::Window, Qt::black);
|
|
setPalette(pal);
|
|
|
|
m_ticker.start(1000, this);
|
|
QTime t = QTime::currentTime();
|
|
m_hour->setNumber(t.hour());
|
|
m_minute->setNumber(t.minute());
|
|
updateTime();
|
|
|
|
QAction *slideAction = new QAction("&Slide", this);
|
|
QAction *flipAction = new QAction("&Flip", this);
|
|
QAction *rotateAction = new QAction("&Rotate", this);
|
|
connect(slideAction, SIGNAL(triggered()), SLOT(chooseSlide()));
|
|
connect(flipAction, SIGNAL(triggered()), SLOT(chooseFlip()));
|
|
connect(rotateAction, SIGNAL(triggered()), SLOT(chooseRotate()));
|
|
addAction(slideAction);
|
|
addAction(flipAction);
|
|
addAction(rotateAction);
|
|
setContextMenuPolicy(Qt::ActionsContextMenu);
|
|
}
|
|
|
|
void updateTime() {
|
|
QTime t = QTime::currentTime();
|
|
m_hour->flipTo(t.hour());
|
|
m_minute->flipTo(t.minute());
|
|
QString str = t.toString("hh:mm:ss");
|
|
str.prepend(": ");
|
|
if (m_hour->transition() == Digits::Slide)
|
|
str.prepend("Slide");
|
|
if (m_hour->transition() == Digits::Flip)
|
|
str.prepend("Flip");
|
|
if (m_hour->transition() == Digits::Rotate)
|
|
str.prepend("Rotate");
|
|
setWindowTitle(str);
|
|
}
|
|
|
|
void switchTransition(int delta) {
|
|
int i = (m_hour->transition() + delta + 3) % 3;
|
|
m_hour->setTransition(i);
|
|
m_minute->setTransition(i);
|
|
updateTime();
|
|
}
|
|
|
|
protected:
|
|
void resizeEvent(QResizeEvent*) {
|
|
int digitsWidth = width() / 2;
|
|
int digitsHeight = digitsWidth * 1.2;
|
|
|
|
int y = (height() - digitsHeight) / 3;
|
|
|
|
m_hour->resize(digitsWidth, digitsHeight);
|
|
m_hour->move(0, y);
|
|
|
|
m_minute->resize(digitsWidth, digitsHeight);
|
|
m_minute->move(width() / 2, y);
|
|
}
|
|
|
|
void timerEvent(QTimerEvent*) {
|
|
updateTime();
|
|
}
|
|
|
|
void keyPressEvent(QKeyEvent *event) {
|
|
if (event->key() == Qt::Key_Right) {
|
|
switchTransition(1);
|
|
event->accept();
|
|
}
|
|
if (event->key() == Qt::Key_Left) {
|
|
switchTransition(-1);
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
private slots:
|
|
void chooseSlide() {
|
|
m_hour->setTransition(0);
|
|
m_minute->setTransition(0);
|
|
updateTime();
|
|
}
|
|
|
|
void chooseFlip() {
|
|
m_hour->setTransition(1);
|
|
m_minute->setTransition(1);
|
|
updateTime();
|
|
}
|
|
|
|
void chooseRotate() {
|
|
m_hour->setTransition(2);
|
|
m_minute->setTransition(2);
|
|
updateTime();
|
|
}
|
|
|
|
private:
|
|
QBasicTimer m_ticker;
|
|
Digits *m_hour;
|
|
Digits *m_minute;
|
|
};
|
|
|
|
#include "digiflip.moc"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
QApplication app(argc, argv);
|
|
|
|
DigiFlip time;
|
|
time.resize(320, 240);
|
|
time.show();
|
|
|
|
return app.exec();
|
|
}
|