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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// Licensed under the Apache-2.0 license. See README.md for details.
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#include "ProgressWidget.h"
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#include <QProgressBar>
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#include <QLabel>
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#include <QVBoxLayout>
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#include <QEventLoop>
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#include "tasks/Task.h"
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ProgressWidget::ProgressWidget(QWidget *parent)
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: QWidget(parent)
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{
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m_label = new QLabel(this);
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m_label->setWordWrap(true);
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m_bar = new QProgressBar(this);
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m_bar->setMinimum(0);
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m_bar->setMaximum(100);
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QVBoxLayout *layout = new QVBoxLayout(this);
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layout->addWidget(m_label);
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layout->addWidget(m_bar);
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layout->addStretch();
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setLayout(layout);
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}
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void ProgressWidget::start(std::shared_ptr<Task> task)
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{
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if (m_task)
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{
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disconnect(m_task.get(), 0, this, 0);
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}
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m_task = task;
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connect(m_task.get(), &Task::finished, this, &ProgressWidget::handleTaskFinish);
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connect(m_task.get(), &Task::status, this, &ProgressWidget::handleTaskStatus);
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connect(m_task.get(), &Task::progress, this, &ProgressWidget::handleTaskProgress);
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connect(m_task.get(), &Task::destroyed, this, &ProgressWidget::taskDestroyed);
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if (!m_task->isRunning())
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{
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QMetaObject::invokeMethod(m_task.get(), "start", Qt::QueuedConnection);
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}
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}
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bool ProgressWidget::exec(std::shared_ptr<Task> task)
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{
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QEventLoop loop;
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connect(task.get(), &Task::finished, &loop, &QEventLoop::quit);
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start(task);
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if (task->isRunning())
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{
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loop.exec();
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}
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return task->wasSuccessful();
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}
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void ProgressWidget::handleTaskFinish()
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{
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if (!m_task->wasSuccessful())
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{
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m_label->setText(m_task->failReason());
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}
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}
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void ProgressWidget::handleTaskStatus(const QString &status)
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{
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m_label->setText(status);
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}
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void ProgressWidget::handleTaskProgress(qint64 current, qint64 total)
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{
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m_bar->setMaximum(total);
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m_bar->setValue(current);
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}
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void ProgressWidget::taskDestroyed()
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{
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m_task = nullptr;
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}
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