sneedmc/gui/ProgressDialog.cpp

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/* Copyright 2013 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 <QKeyEvent>
#include "logic/tasks/Task.h"
ProgressDialog::ProgressDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::ProgressDialog)
{
ui->setupUi(this);
updateSize();
changeProgress(0,100);
}
ProgressDialog::~ProgressDialog()
{
delete ui;
}
void ProgressDialog::updateSize()
{
resize(QSize(480, minimumSizeHint().height()));
}
int ProgressDialog::exec(ProgressProvider *task)
{
this->task = task;
// Connect signals.
connect(task, SIGNAL(started()), SLOT(onTaskStarted()));
connect(task, SIGNAL(failed(QString)), SLOT(onTaskFailed(QString)));
connect(task, SIGNAL(succeeded()), SLOT(onTaskSucceeded()));
connect(task, SIGNAL(status(QString)), SLOT(changeStatus(const QString&)));
connect(task, SIGNAL(progress(qint64,qint64)), SLOT(changeProgress(qint64,qint64)));
// this makes sure that the task is started after the dialog is created
QMetaObject::invokeMethod(task, "start", Qt::QueuedConnection);
return QDialog::exec();
}
ProgressProvider* ProgressDialog::getTask()
{
return task;
}
void ProgressDialog::onTaskStarted()
{
}
void ProgressDialog::onTaskFailed(QString failure)
{
reject();
}
void ProgressDialog::onTaskSucceeded()
{
accept();
}
void ProgressDialog::changeStatus(const QString &status)
{
ui->statusLabel->setText(status);
updateSize();
}
void ProgressDialog::changeProgress(qint64 current, qint64 total)
{
ui->taskProgressBar->setMaximum(total);
ui->taskProgressBar->setValue(current);
}
void ProgressDialog::keyPressEvent(QKeyEvent* e)
{
if (e->key() == Qt::Key_Escape)
return;
QDialog::keyPressEvent(e);
}
void ProgressDialog::closeEvent(QCloseEvent* e)
{
if (task && task->isRunning())
{
e->ignore();
}
else
{
QDialog::closeEvent(e);
}
}