forked from qt-creator/qt-creator
New method for show Android splashscreen
New method use theme for show splashscreen in the first phase (from when an app is launched to when Qt takes control of the surface) and in the second phase draw through Qt the same drawable object used for the theme. Change-Id: I4d76322a5640cb95f99f5605c5775051e6de7daf Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
This commit is contained in:
Fabio Falsini
267
src/plugins/android/splashscreenwidget.cpp
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267
src/plugins/android/splashscreenwidget.cpp
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/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "splashscreenwidget.h"
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#include <texteditor/textdocument.h>
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#include <texteditor/texteditor.h>
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#include <utils/utilsicons.h>
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#include <QFileDialog>
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#include <QFileInfo>
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#include <QGridLayout>
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#include <QLabel>
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#include <QLoggingCategory>
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#include <QPainter>
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#include <QToolButton>
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#include <QVBoxLayout>
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namespace Android {
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namespace Internal {
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namespace {
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static Q_LOGGING_CATEGORY(androidManifestEditorLog, "qtc.android.splashScreenWidget", QtWarningMsg)
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const auto fileDialogImageFiles = QStringLiteral("%1 (*.png *.jpg)").arg(QWidget::tr("Images"));
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QString manifestDir(TextEditor::TextEditorWidget *textEditorWidget)
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{
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// Get the manifest file's directory from its filepath.
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return textEditorWidget->textDocument()->filePath().toFileInfo().absolutePath();
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}
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}
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SplashScreenWidget::SplashScreenWidget(QWidget *parent) : QWidget(parent)
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{
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}
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SplashScreenWidget::SplashScreenWidget(
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QWidget *parent,
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const QSize &size, const QSize &screenSize,
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const QString &title, const QString &tooltip,
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const QString &imagePath,
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int scalingRatio, int maxScalingRatio,
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TextEditor::TextEditorWidget *textEditorWidget)
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: QWidget(parent),
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m_textEditorWidget(textEditorWidget),
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m_scalingRatio(scalingRatio),
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m_maxScalingRatio(maxScalingRatio),
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m_imagePath(imagePath),
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m_screenSize(screenSize)
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{
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auto splashLayout = new QVBoxLayout(this);
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auto splashTitle = new QLabel(title, this);
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auto splashButtonLayout = new QGridLayout();
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m_splashScreenButton = new SplashScreenButton(this);
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m_splashScreenButton->setMinimumSize(size);
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m_splashScreenButton->setMaximumSize(size);
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m_splashScreenButton->setToolTip(tooltip);
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QSize clearAndWarningSize(16, 16);
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QToolButton *clearButton = nullptr;
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if (textEditorWidget) {
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clearButton = new QToolButton(this);
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clearButton->setMinimumSize(clearAndWarningSize);
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clearButton->setMaximumSize(clearAndWarningSize);
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clearButton->setIcon(Utils::Icons::CLOSE_FOREGROUND.icon());
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}
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if (textEditorWidget) {
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m_scaleWarningLabel = new QLabel(this);
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m_scaleWarningLabel->setMinimumSize(clearAndWarningSize);
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m_scaleWarningLabel->setMaximumSize(clearAndWarningSize);
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m_scaleWarningLabel->setPixmap(Utils::Icons::WARNING.icon().pixmap(clearAndWarningSize));
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m_scaleWarningLabel->setToolTip(tr("Icon scaled up."));
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m_scaleWarningLabel->setVisible(false);
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}
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auto label = new QLabel(tr("Click to select..."), parent);
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splashLayout->addWidget(splashTitle);
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splashLayout->setAlignment(splashTitle, Qt::AlignHCenter);
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splashButtonLayout->setColumnMinimumWidth(0, 16);
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splashButtonLayout->addWidget(m_splashScreenButton, 0, 1, 1, 3);
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splashButtonLayout->setAlignment(m_splashScreenButton, Qt::AlignVCenter);
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if (textEditorWidget) {
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splashButtonLayout->addWidget(clearButton, 0, 4, 1, 1);
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splashButtonLayout->setAlignment(clearButton, Qt::AlignTop);
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}
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if (textEditorWidget) {
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splashButtonLayout->addWidget(m_scaleWarningLabel, 0, 0, 1, 1);
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splashButtonLayout->setAlignment(m_scaleWarningLabel, Qt::AlignTop);
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}
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splashLayout->addLayout(splashButtonLayout);
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splashLayout->setAlignment(splashButtonLayout, Qt::AlignHCenter);
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splashLayout->addWidget(label);
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splashLayout->setAlignment(label, Qt::AlignHCenter);
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this->setLayout(splashLayout);
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connect(m_splashScreenButton, &QAbstractButton::clicked,
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this, &SplashScreenWidget::selectImage);
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if (clearButton)
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connect(clearButton, &QAbstractButton::clicked,
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this, &SplashScreenWidget::removeImage);
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m_imageSelectionText = tooltip;
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}
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SplashScreenWidget::SplashScreenButton::SplashScreenButton(SplashScreenWidget *parent)
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: QToolButton(parent),
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m_parentWidget(parent)
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{
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}
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void SplashScreenWidget::SplashScreenButton::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event);
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QPainter painter(this);
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painter.setPen(QPen(Qt::gray, 1));
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painter.setBrush(QBrush(m_parentWidget->m_backgroundColor));
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painter.drawRect(0, 0, width()-1, height()-1);
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if (!m_parentWidget->m_image.isNull())
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painter.drawImage(m_parentWidget->m_imagePosition, m_parentWidget->m_image);
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}
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void SplashScreenWidget::setBackgroundColor(const QColor &backgroundColor)
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{
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m_backgroundColor = backgroundColor;
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m_splashScreenButton->update();
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emit imageChanged();
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}
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void SplashScreenWidget::showImageFullScreen(bool fullScreen)
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{
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m_showImageFullScreen = fullScreen;
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loadImage();
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}
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void SplashScreenWidget::setImageFromPath(const QString &imagePath, bool resize)
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{
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if (!m_textEditorWidget)
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return;
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const QString baseDir = manifestDir(m_textEditorWidget);
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const QString targetPath = baseDir + m_imagePath + m_imageFileName;
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if (targetPath.isEmpty()) {
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qCDebug(androidManifestEditorLog) << "Image target path is empty, cannot set image.";
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return;
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}
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QImage image = QImage(imagePath);
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if (image.isNull()) {
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qCDebug(androidManifestEditorLog) << "Image '" << imagePath << "' not found or invalid format.";
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return;
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}
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QDir dir;
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if (!dir.mkpath(QFileInfo(targetPath).absolutePath())) {
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qCDebug(androidManifestEditorLog) << "Cannot create image target path.";
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return;
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}
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if (resize == true && m_scalingRatio < m_maxScalingRatio) {
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const QSize size = QSize((float(image.width()) / float(m_maxScalingRatio)) * float(m_scalingRatio),
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(float(image.height()) / float(m_maxScalingRatio)) * float(m_scalingRatio));
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image = image.scaled(size);
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}
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QFile file(targetPath);
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if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
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image.save(&file, "PNG");
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file.close();
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loadImage();
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emit imageChanged();
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}
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else {
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qCDebug(androidManifestEditorLog) << "Cannot save image.";
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}
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}
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void SplashScreenWidget::selectImage()
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{
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const QString file = QFileDialog::getOpenFileName(this, m_imageSelectionText,
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QDir::homePath(), fileDialogImageFiles);
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if (file.isEmpty())
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return;
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setImageFromPath(file, false);
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emit imageChanged();
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}
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void SplashScreenWidget::removeImage()
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{
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const QString baseDir = manifestDir(m_textEditorWidget);
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const QString targetPath = baseDir + m_imagePath + m_imageFileName;
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if (targetPath.isEmpty()) {
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qCDebug(androidManifestEditorLog) << "Image target path empty, cannot remove image.";
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return;
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}
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QFile::remove(targetPath);
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m_image = QImage();
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m_splashScreenButton->update();
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setScaleWarningLabelVisible(false);
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}
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void SplashScreenWidget::clearImage()
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{
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removeImage();
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emit imageChanged();
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}
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void SplashScreenWidget::loadImage()
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{
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if (m_imageFileName.isEmpty()) {
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qCDebug(androidManifestEditorLog) << "Image name not set, cannot load image.";
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return;
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}
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const QString baseDir = manifestDir(m_textEditorWidget);
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const QString targetPath = baseDir + m_imagePath + m_imageFileName;
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if (targetPath.isEmpty()) {
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qCDebug(androidManifestEditorLog) << "Image target path empty, cannot load image.";
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return;
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}
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QImage image = QImage(targetPath);
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if (image.isNull()) {
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qCDebug(androidManifestEditorLog) << "Cannot load image.";
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return;
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}
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if (m_showImageFullScreen) {
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m_image = image.scaled(m_splashScreenButton->size());
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m_imagePosition = QPoint(0,0);
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}
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else {
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QSize scaledSize = QSize((m_splashScreenButton->width() * image.width()) / m_screenSize.width(),
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(m_splashScreenButton->height() * image.height()) / m_screenSize.height());
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m_image = image.scaled(scaledSize, Qt::KeepAspectRatio);
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m_imagePosition = QPoint((m_splashScreenButton->width() - m_image.width()) / 2,
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(m_splashScreenButton->height() - m_image.height()) / 2);
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}
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m_splashScreenButton->update();
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}
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bool SplashScreenWidget::hasImage() const
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{
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return !m_image.isNull();
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}
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void SplashScreenWidget::setScaleWarningLabelVisible(bool visible)
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{
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if (m_scaleWarningLabel)
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m_scaleWarningLabel->setVisible(visible);
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}
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void SplashScreenWidget::setImageFileName(const QString &imageFileName)
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{
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m_imageFileName = imageFileName;
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}
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} // namespace Internal
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} // namespace Android
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