MultiMC5/launcher/ui/widgets/VersionListView.cpp
Petr Mrázek 285188ea53 GH-4071 handle network errors when logging in with MSA as 'soft'
This makes the tokens not expire when such errors happen.

Only applies to MSA, not the XBox and Mojang steps afterwards.
Further testing and improvements are still needed.
2021-11-28 18:42:01 +01:00

163 lines
4.0 KiB
C++

/* 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 <QHeaderView>
#include <QApplication>
#include <QMouseEvent>
#include <QDrag>
#include <QPainter>
#include "VersionListView.h"
VersionListView::VersionListView(QWidget *parent)
:QTreeView ( parent )
{
m_emptyString = tr("No versions are currently available.");
}
void VersionListView::rowsInserted(const QModelIndex &parent, int start, int end)
{
m_itemCount += end-start+1;
updateEmptyViewPort();
QTreeView::rowsInserted(parent, start, end);
}
void VersionListView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
{
m_itemCount -= end-start+1;
updateEmptyViewPort();
QTreeView::rowsInserted(parent, start, end);
}
void VersionListView::setModel(QAbstractItemModel *model)
{
m_itemCount = model->rowCount();
updateEmptyViewPort();
QTreeView::setModel(model);
}
void VersionListView::reset()
{
if(model())
{
m_itemCount = model()->rowCount();
}
else {
m_itemCount = 0;
}
updateEmptyViewPort();
QTreeView::reset();
}
void VersionListView::setEmptyString(QString emptyString)
{
m_emptyString = emptyString;
updateEmptyViewPort();
}
void VersionListView::setEmptyErrorString(QString emptyErrorString)
{
m_emptyErrorString = emptyErrorString;
updateEmptyViewPort();
}
void VersionListView::setEmptyMode(VersionListView::EmptyMode mode)
{
m_emptyMode = mode;
updateEmptyViewPort();
}
void VersionListView::updateEmptyViewPort()
{
#ifndef QT_NO_ACCESSIBILITY
setAccessibleDescription(currentEmptyString());
#endif /* !QT_NO_ACCESSIBILITY */
if(!m_itemCount)
{
viewport()->update();
}
}
void VersionListView::paintEvent(QPaintEvent *event)
{
if(m_itemCount)
{
QTreeView::paintEvent(event);
}
else
{
paintInfoLabel(event);
}
}
QString VersionListView::currentEmptyString() const
{
if(m_itemCount) {
return QString();
}
switch(m_emptyMode)
{
default:
case VersionListView::Empty:
return QString();
case VersionListView::String:
return m_emptyString;
case VersionListView::ErrorString:
return m_emptyErrorString;
}
}
void VersionListView::paintInfoLabel(QPaintEvent *event) const
{
QString emptyString = currentEmptyString();
//calculate the rect for the overlay
QPainter painter(viewport());
painter.setRenderHint(QPainter::Antialiasing, true);
QFont font("sans", 20);
font.setBold(true);
QRect bounds = viewport()->geometry();
bounds.moveTop(0);
auto innerBounds = bounds;
innerBounds.adjust(10, 10, -10, -10);
QColor background = QApplication::palette().color(QPalette::Foreground);
QColor foreground = QApplication::palette().color(QPalette::Base);
foreground.setAlpha(190);
painter.setFont(font);
auto fontMetrics = painter.fontMetrics();
auto textRect = fontMetrics.boundingRect(innerBounds, Qt::AlignHCenter | Qt::TextWordWrap, emptyString);
textRect.moveCenter(bounds.center());
auto wrapRect = textRect;
wrapRect.adjust(-10, -10, 10, 10);
//check if we are allowed to draw in our area
if (!event->rect().intersects(wrapRect)) {
return;
}
painter.setBrush(QBrush(background));
painter.setPen(foreground);
painter.drawRoundedRect(wrapRect, 5.0, 5.0);
painter.setPen(foreground);
painter.setFont(font);
painter.drawText(textRect, Qt::AlignHCenter | Qt::TextWordWrap, emptyString);
}