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Diffstat (limited to 'examples/widgets/widgets/tooltips/sortingbox.cpp')
| -rw-r--r-- | examples/widgets/widgets/tooltips/sortingbox.cpp | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/examples/widgets/widgets/tooltips/sortingbox.cpp b/examples/widgets/widgets/tooltips/sortingbox.cpp deleted file mode 100644 index d993b098b2..0000000000 --- a/examples/widgets/widgets/tooltips/sortingbox.cpp +++ /dev/null @@ -1,316 +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 "sortingbox.h" - -#include <QMouseEvent> -#include <QIcon> -#include <QPainter> -#include <QRandomGenerator> -#include <QStyle> -#include <QToolButton> -#include <QToolTip> - -//! [0] -SortingBox::SortingBox(QWidget *parent) - : QWidget(parent) -{ -//! [0] //! [1] - setMouseTracking(true); -//! [1] //! [2] - setBackgroundRole(QPalette::Base); -//! [2] - - itemInMotion = nullptr; - -//! [3] - newCircleButton = createToolButton(tr("New Circle"), - QIcon(":/images/circle.png"), - SLOT(createNewCircle())); - - newSquareButton = createToolButton(tr("New Square"), - QIcon(":/images/square.png"), - SLOT(createNewSquare())); - - newTriangleButton = createToolButton(tr("New Triangle"), - QIcon(":/images/triangle.png"), - SLOT(createNewTriangle())); - - circlePath.addEllipse(QRect(0, 0, 100, 100)); - squarePath.addRect(QRect(0, 0, 100, 100)); - - qreal x = trianglePath.currentPosition().x(); - qreal y = trianglePath.currentPosition().y(); - trianglePath.moveTo(x + 120 / 2, y); - trianglePath.lineTo(0, 100); - trianglePath.lineTo(120, 100); - trianglePath.lineTo(x + 120 / 2, y); - -//! [3] //! [4] - setWindowTitle(tr("Tool Tips")); - resize(500, 300); - - createShapeItem(circlePath, tr("Circle"), initialItemPosition(circlePath), - initialItemColor()); - createShapeItem(squarePath, tr("Square"), initialItemPosition(squarePath), - initialItemColor()); - createShapeItem(trianglePath, tr("Triangle"), - initialItemPosition(trianglePath), initialItemColor()); -} -//! [4] - -//! [5] -bool SortingBox::event(QEvent *event) -{ -//! [5] //! [6] - if (event->type() == QEvent::ToolTip) { - QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event); - int index = itemAt(helpEvent->pos()); - if (index != -1) { - QToolTip::showText(helpEvent->globalPos(), shapeItems[index].toolTip()); - } else { - QToolTip::hideText(); - event->ignore(); - } - - return true; - } - return QWidget::event(event); -} -//! [6] - -//! [7] -void SortingBox::resizeEvent(QResizeEvent * /* event */) -{ - int margin = style()->pixelMetric(QStyle::PM_LayoutTopMargin); - int x = width() - margin; - int y = height() - margin; - - y = updateButtonGeometry(newCircleButton, x, y); - y = updateButtonGeometry(newSquareButton, x, y); - updateButtonGeometry(newTriangleButton, x, y); -} -//! [7] - -//! [8] -void SortingBox::paintEvent(QPaintEvent * /* event */) -{ - QPainter painter(this); - painter.setRenderHint(QPainter::Antialiasing); - for (const ShapeItem &shapeItem : qAsConst(shapeItems)) { -//! [8] //! [9] - painter.translate(shapeItem.position()); -//! [9] //! [10] - painter.setBrush(shapeItem.color()); - painter.drawPath(shapeItem.path()); - painter.translate(-shapeItem.position()); - } -} -//! [10] - -//! [11] -void SortingBox::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) { - int index = itemAt(event->position().toPoint()); - if (index != -1) { - itemInMotion = &shapeItems[index]; - previousPosition = event->position().toPoint(); - shapeItems.move(index, shapeItems.size() - 1); - update(); - } - } -} -//! [11] - -//! [12] -void SortingBox::mouseMoveEvent(QMouseEvent *event) -{ - if ((event->buttons() & Qt::LeftButton) && itemInMotion) - moveItemTo(event->position().toPoint()); -} -//! [12] - -//! [13] -void SortingBox::mouseReleaseEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton && itemInMotion) { - moveItemTo(event->position().toPoint()); - itemInMotion = nullptr; - } -} -//! [13] - -//! [14] -void SortingBox::createNewCircle() -{ - static int count = 1; - createShapeItem(circlePath, tr("Circle <%1>").arg(++count), - randomItemPosition(), randomItemColor()); -} -//! [14] - -//! [15] -void SortingBox::createNewSquare() -{ - static int count = 1; - createShapeItem(squarePath, tr("Square <%1>").arg(++count), - randomItemPosition(), randomItemColor()); -} -//! [15] - -//! [16] -void SortingBox::createNewTriangle() -{ - static int count = 1; - createShapeItem(trianglePath, tr("Triangle <%1>").arg(++count), - randomItemPosition(), randomItemColor()); -} -//! [16] - -//! [17] -int SortingBox::itemAt(const QPoint &pos) -{ - for (int i = shapeItems.size() - 1; i >= 0; --i) { - const ShapeItem &item = shapeItems[i]; - if (item.path().contains(pos - item.position())) - return i; - } - return -1; -} -//! [17] - -//! [18] -void SortingBox::moveItemTo(const QPoint &pos) -{ - QPoint offset = pos - previousPosition; - itemInMotion->setPosition(itemInMotion->position() + offset); -//! [18] //! [19] - previousPosition = pos; - update(); -} -//! [19] - -//! [20] -int SortingBox::updateButtonGeometry(QToolButton *button, int x, int y) -{ - QSize size = button->sizeHint(); - button->setGeometry(x - size.rwidth(), y - size.rheight(), - size.rwidth(), size.rheight()); - - return y - size.rheight() - - style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing); -} -//! [20] - -//! [21] -void SortingBox::createShapeItem(const QPainterPath &path, - const QString &toolTip, const QPoint &pos, - const QColor &color) -{ - ShapeItem shapeItem; - shapeItem.setPath(path); - shapeItem.setToolTip(toolTip); - shapeItem.setPosition(pos); - shapeItem.setColor(color); - shapeItems.append(shapeItem); - update(); -} -//! [21] - -//! [22] -QToolButton *SortingBox::createToolButton(const QString &toolTip, - const QIcon &icon, const char *member) -{ - QToolButton *button = new QToolButton(this); - button->setToolTip(toolTip); - button->setIcon(icon); - button->setIconSize(QSize(32, 32)); - connect(button, SIGNAL(clicked()), this, member); - - return button; -} -//! [22] - -//! [23] -QPoint SortingBox::initialItemPosition(const QPainterPath &path) -{ - int x; - int y = (height() - qRound(path.controlPointRect().height()) / 2); - if (shapeItems.size() == 0) - x = ((3 * width()) / 2 - qRound(path.controlPointRect().width())) / 2; - else - x = (width() / shapeItems.size() - - qRound(path.controlPointRect().width())) / 2; - - return QPoint(x, y); -} -//! [23] - -//! [24] -QPoint SortingBox::randomItemPosition() -{ - return QPoint(QRandomGenerator::global()->bounded(width() - 120), QRandomGenerator::global()->bounded(height() - 120)); -} -//! [24] - -//! [25] -QColor SortingBox::initialItemColor() -{ - return QColor::fromHsv(((shapeItems.size() + 1) * 85) % 256, 255, 190); -} -//! [25] - -//! [26] -QColor SortingBox::randomItemColor() -{ - return QColor::fromHsv(QRandomGenerator::global()->bounded(256), 255, 190); -} -//! [26] |