PrismLauncher/launcher/ui/dialogs/ProgressDialog.cpp

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/// SPDX-License-Identifier: GPL-3.0-only
/*
* PrismLaucher - Minecraft Launcher
* Copyright (C) 2023 Rachel Powers <508861+Ryex@users.noreply.github.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ProgressDialog.h"
#include "ui_ProgressDialog.h"
#include <limits>
#include <QDebug>
#include <QKeyEvent>
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#include "tasks/Task.h"
#include "ui/widgets/SubTaskProgressBar.h"
// map a value in a numeric range of an arbitrary type to between 0 and INT_MAX
// for getting the best precision out of the qt progress bar
template<typename T, std::enable_if_t<std::is_arithmetic_v<T>, bool> = true>
std::tuple<int, int> map_int_zero_max(T current, T range_max, T range_min)
{
int int_max = std::numeric_limits<int>::max();
auto type_range = range_max - range_min;
double percentage = static_cast<double>(current - range_min) / static_cast<double>(type_range);
int mapped_current = percentage * int_max;
return {mapped_current, int_max};
}
ProgressDialog::ProgressDialog(QWidget* parent) : QDialog(parent), ui(new Ui::ProgressDialog)
{
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ui->setupUi(this);
ui->taskProgressScrollArea->setHidden(true);
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this->setWindowFlags(this->windowFlags() & ~Qt::WindowContextHelpButtonHint);
setAttribute(Qt::WidgetAttribute::WA_QuitOnClose, true);
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setSkipButton(false);
changeProgress(0, 100);
}
void ProgressDialog::setSkipButton(bool present, QString label)
{
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ui->skipButton->setAutoDefault(false);
ui->skipButton->setDefault(false);
ui->skipButton->setFocusPolicy(Qt::ClickFocus);
ui->skipButton->setEnabled(present);
ui->skipButton->setVisible(present);
ui->skipButton->setText(label);
updateSize();
}
void ProgressDialog::on_skipButton_clicked(bool checked)
{
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Q_UNUSED(checked);
if (ui->skipButton->isEnabled()) // prevent other triggers from aborting
task->abort();
}
ProgressDialog::~ProgressDialog()
{
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delete ui;
}
void ProgressDialog::updateSize()
{
QSize lastSize = this->size();
QSize qSize = QSize(480, minimumSizeHint().height());
// if the current window is too small
if ((lastSize != qSize) && (lastSize.height() < qSize.height()))
{
resize(qSize);
// keep the dialog in the center after a resize
this->move(
this->parentWidget()->x() + (this->parentWidget()->width() - this->width()) / 2,
this->parentWidget()->y() + (this->parentWidget()->height() - this->height()) / 2
);
}
setMinimumSize(qSize);
}
int ProgressDialog::execWithTask(Task* task)
{
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this->task = task;
if (!task) {
qDebug() << "Programmer error: Progress dialog created with null task.";
return QDialog::DialogCode::Accepted;
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}
QDialog::DialogCode result {};
if (handleImmediateResult(result)) {
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return result;
}
// Connect signals.
connect(task, &Task::started, this, &ProgressDialog::onTaskStarted);
connect(task, &Task::failed, this, &ProgressDialog::onTaskFailed);
connect(task, &Task::succeeded, this, &ProgressDialog::onTaskSucceeded);
connect(task, &Task::status, this, &ProgressDialog::changeStatus);
connect(task, &Task::details, this, &ProgressDialog::changeStatus);
connect(task, &Task::stepProgress, this, &ProgressDialog::changeStepProgress);
connect(task, &Task::progress, this, &ProgressDialog::changeProgress);
connect(task, &Task::aborted, this, &ProgressDialog::hide);
connect(task, &Task::abortStatusChanged, ui->skipButton, &QPushButton::setEnabled);
m_is_multi_step = task->isMultiStep();
ui->taskProgressScrollArea->setHidden(!m_is_multi_step);
updateSize();
// It's a good idea to start the task after we entered the dialog's event loop :^)
if (!task->isRunning()) {
QMetaObject::invokeMethod(task, &Task::start, Qt::QueuedConnection);
} else {
changeStatus(task->getStatus());
changeProgress(task->getProgress(), task->getTotalProgress());
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}
return QDialog::exec();
}
// TODO: only provide the unique_ptr overloads
int ProgressDialog::execWithTask(std::unique_ptr<Task>&& task)
{
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connect(this, &ProgressDialog::destroyed, task.get(), &Task::deleteLater);
return execWithTask(task.release());
}
int ProgressDialog::execWithTask(std::unique_ptr<Task>& task)
{
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connect(this, &ProgressDialog::destroyed, task.get(), &Task::deleteLater);
return execWithTask(task.release());
}
bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
{
if (task->isFinished()) {
if (task->wasSuccessful()) {
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result = QDialog::Accepted;
} else {
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result = QDialog::Rejected;
}
return true;
}
return false;
}
Task* ProgressDialog::getTask()
{
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return task;
}
void ProgressDialog::onTaskStarted() {}
void ProgressDialog::onTaskFailed(QString failure)
{
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reject();
hide();
}
void ProgressDialog::onTaskSucceeded()
{
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accept();
hide();
}
void ProgressDialog::changeStatus(const QString& status)
{
ui->globalStatusLabel->setText(task->getStatus());
ui->globalStatusDetailsLabel->setText(task->getDetails());
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updateSize();
}
void ProgressDialog::addTaskProgress(TaskStepProgress const& progress)
{
SubTaskProgressBar* task_bar = new SubTaskProgressBar(this);
taskProgress.insert(progress.uid, task_bar);
ui->taskProgressLayout->addWidget(task_bar);
}
void ProgressDialog::changeStepProgress(TaskStepProgress const& task_progress)
{
m_is_multi_step = true;
if(ui->taskProgressScrollArea->isHidden()) {
ui->taskProgressScrollArea->setHidden(false);
updateSize();
}
if (!taskProgress.contains(task_progress.uid))
addTaskProgress(task_progress);
auto task_bar = taskProgress.value(task_progress.uid);
auto const [mapped_current, mapped_total] = map_int_zero_max<qint64>(task_progress.current, task_progress.total, 0);
if (task_progress.total <= 0) {
task_bar->setRange(0, 0);
} else {
task_bar->setRange(0, mapped_total);
}
task_bar->setValue(mapped_current);
task_bar->setStatus(task_progress.status);
task_bar->setDetails(task_progress.details);
if (task_progress.isDone()) {
task_bar->setVisible(false);
}
}
void ProgressDialog::changeProgress(qint64 current, qint64 total)
{
ui->globalProgressBar->setMaximum(total);
ui->globalProgressBar->setValue(current);
}
void ProgressDialog::keyPressEvent(QKeyEvent* e)
{
if (ui->skipButton->isVisible()) {
if (e->key() == Qt::Key_Escape) {
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on_skipButton_clicked(true);
return;
} else if (e->key() == Qt::Key_Tab) {
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ui->skipButton->setFocusPolicy(Qt::StrongFocus);
ui->skipButton->setFocus();
ui->skipButton->setAutoDefault(true);
ui->skipButton->setDefault(true);
return;
}
}
QDialog::keyPressEvent(e);
}
void ProgressDialog::closeEvent(QCloseEvent* e)
{
if (task && task->isRunning()) {
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e->ignore();
} else {
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QDialog::closeEvent(e);
}
}