f776595cc1
From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some exceptions, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one (in those files which will be under GPL 3 with exceptions) Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** 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 General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QWidget>
|
|
#include <QPainter>
|
|
#include <QMouseEvent>
|
|
#include <QDebug>
|
|
|
|
class StaticWidget : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
int hue;
|
|
bool pressed;
|
|
StaticWidget(QWidget *parent = 0)
|
|
:QWidget(parent)
|
|
{
|
|
setAttribute(Qt::WA_StaticContents);
|
|
setAttribute(Qt::WA_OpaquePaintEvent);
|
|
hue = 200;
|
|
pressed = false;
|
|
}
|
|
|
|
// Update 4 rects in a checkerboard pattern, using either
|
|
// a QRegion or separate rects (see the useRegion switch)
|
|
void updatePattern(QPoint pos)
|
|
{
|
|
const int rectSize = 10;
|
|
QRect rect(pos.x() - rectSize, pos.y() - rectSize, rectSize *2, rectSize * 2);
|
|
|
|
QVector<QRect> updateRects;
|
|
updateRects.append(rect.translated(rectSize * 2, rectSize * 2));
|
|
updateRects.append(rect.translated(rectSize * 2, -rectSize * 2));
|
|
updateRects.append(rect.translated(-rectSize * 2, rectSize * 2));
|
|
updateRects.append(rect.translated(-rectSize * 2, -rectSize * 2));
|
|
|
|
|
|
bool useRegion = false;
|
|
if (useRegion) {
|
|
QRegion region;
|
|
region.setRects(updateRects.data(), 4);
|
|
update(region);
|
|
} else {
|
|
foreach (QRect rect, updateRects)
|
|
update(rect);
|
|
}
|
|
}
|
|
|
|
|
|
void resizeEvent(QResizeEvent *)
|
|
{
|
|
// qDebug() << "static widget resize from" << e->oldSize() << "to" << e->size();
|
|
}
|
|
|
|
void mousePressEvent(QMouseEvent *event)
|
|
{
|
|
// qDebug() << "mousePress at" << event->pos();
|
|
pressed = true;
|
|
updatePattern(event->pos());
|
|
}
|
|
|
|
void mouseReleaseEvent(QMouseEvent *)
|
|
{
|
|
pressed = false;
|
|
}
|
|
|
|
void mouseMoveEvent(QMouseEvent *event)
|
|
{
|
|
if (pressed)
|
|
updatePattern(event->pos());
|
|
}
|
|
|
|
void paintEvent(QPaintEvent *e)
|
|
{
|
|
QPainter p(this);
|
|
static int color = 200;
|
|
color = (color + 41) % 205 + 50;
|
|
// color = ((color + 45) %150) + 100;
|
|
qDebug() << "static widget repaint" << e->rect();
|
|
if (pressed)
|
|
p.fillRect(e->rect(), QColor::fromHsv(100, 255, color));
|
|
else
|
|
p.fillRect(e->rect(), QColor::fromHsv(hue, 255, color));
|
|
p.setPen(QPen(QColor(Qt::white)));
|
|
|
|
for (int y = e->rect().top(); y <= e->rect().bottom() + 1; ++y) {
|
|
if (y % 20 == 0)
|
|
p.drawLine(e->rect().left(), y, e->rect().right(), y);
|
|
}
|
|
|
|
for (int x = e->rect().left(); x <= e->rect().right() +1 ; ++x) {
|
|
if (x % 20 == 0)
|
|
p.drawLine(x, e->rect().top(), x, e->rect().bottom());
|
|
}
|
|
}
|
|
};
|