diff options
Diffstat (limited to 'examples/widgets/effects/fademessage/fademessage.cpp')
-rw-r--r-- | examples/widgets/effects/fademessage/fademessage.cpp | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/examples/widgets/effects/fademessage/fademessage.cpp b/examples/widgets/effects/fademessage/fademessage.cpp deleted file mode 100644 index 3d8385020b..0000000000 --- a/examples/widgets/effects/fademessage/fademessage.cpp +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "fademessage.h" - -#include <QtWidgets> - -FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent) -{ - setScene(&m_scene); - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - - setupScene(); - - m_animation = new QPropertyAnimation(m_effect, "strength", this); - m_animation->setDuration(500); - m_animation->setEasingCurve(QEasingCurve::InOutSine); - m_animation->setStartValue(0); - m_animation->setEndValue(1); - - setRenderHint(QPainter::Antialiasing, true); - setFrameStyle(QFrame::NoFrame); -} - -void FadeMessage::togglePopup() -{ - if (m_message->isVisible()) { - m_message->setVisible(false); - m_animation->setDirection(QAbstractAnimation::Backward); - } else { - m_message->setVisible(true); - m_animation->setDirection(QAbstractAnimation::Forward); - } - m_animation->start(); -} - -void FadeMessage::setupScene() -{ - QGraphicsRectItem *parent = m_scene.addRect(0, 0, 800, 600); - parent->setPen(Qt::NoPen); - parent->setZValue(0); - - QGraphicsPixmapItem *bg = m_scene.addPixmap(QPixmap(":/background.jpg")); - bg->setParentItem(parent); - bg->setZValue(-1); - - for (int i = 1; i < 5; ++i) - for (int j = 2; j < 5; ++j) { - QGraphicsRectItem *item = m_scene.addRect(i * 50, (j - 1) * 50, 38, 38); - item->setParentItem(parent); - item->setZValue(1); - int hue = 12 * (i * 5 + j); - item->setBrush(QColor::fromHsv(hue, 128, 128)); - } - - QFont font; - font.setPointSize(font.pointSize() * 2); - font.setBold(true); - QFontMetrics fontMetrics(font); - int fh = fontMetrics.height(); - - QString sceneText = "Qt Everywhere!"; - int sceneTextWidth = fontMetrics.horizontalAdvance(sceneText); - - QGraphicsRectItem *block = m_scene.addRect(50, 300, sceneTextWidth, fh + 3); - block->setPen(Qt::NoPen); - block->setBrush(QColor(102, 153, 51)); - - QGraphicsTextItem *text = m_scene.addText(sceneText, font); - text->setDefaultTextColor(Qt::white); - text->setPos(50, 300); - block->setZValue(2); - block->hide(); - - text->setParentItem(block); - m_message = block; - - m_effect = new QGraphicsColorizeEffect; - m_effect->setColor(QColor(122, 193, 66)); - m_effect->setStrength(0); - m_effect->setEnabled(true); - parent->setGraphicsEffect(m_effect); - - QPushButton *press = new QPushButton; - press->setText(tr("Press me")); - connect(press, &QAbstractButton::clicked, this, &FadeMessage::togglePopup); - m_scene.addWidget(press); - - press->move(300, 500); -} |