partitionmanager/src/util/guihelpers.cpp

120 lines
3.6 KiB
C++

/*
SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
SPDX-FileCopyrightText: 2015-2018 Andrius Štikonas <andrius@stikonas.eu>
SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "util/guihelpers.h"
#include "config.h"
#include <backend/corebackendmanager.h>
#include <QAction>
#include <QApplication>
#include <QFileInfo>
#include <QIcon>
#include <QHeaderView>
#include <QMenu>
#include <QPainter>
#include <QPixmap>
#include <QProcess>
#include <QRect>
#include <QStandardPaths>
#include <QString>
#include <QTreeWidget>
#include <KLocalizedString>
#include <KMessageBox>
#include <unistd.h>
QIcon createFileSystemColor(FileSystem::Type type, quint32 size)
{
QPixmap pixmap(size, size);
QPainter painter(&pixmap);
painter.setPen(QColor(0, 0, 0));
painter.setBrush(Config::fileSystemColorCode(static_cast<int>(type)));
painter.drawRect(QRect(0, 0, pixmap.width() - 1, pixmap.height() - 1));
painter.end();
return QIcon(pixmap);
}
bool loadBackend()
{
if (CoreBackendManager::self()->load(Config::backend()) == false) {
if (CoreBackendManager::self()->load(CoreBackendManager::defaultBackendName())) {
if (!Config::firstRun())
KMessageBox::sorry(nullptr,
xi18nc("@info", "<para>The configured backend plugin \"%1\" could not be loaded.</para>"
"<para>Loading the default backend plugin \"%2\" instead.</para>",
Config::backend(), CoreBackendManager::defaultBackendName()),
xi18nc("@title:window", "Error: Could Not Load Backend Plugin"));
Config::setBackend(CoreBackendManager::defaultBackendName());
} else {
KMessageBox::error(nullptr,
xi18nc("@info", "<para>Neither the configured (\"%1\") nor the default (\"%2\") backend "
"plugin could be loaded.</para><para>Please check your installation.</para>",
Config::backend(), CoreBackendManager::defaultBackendName()),
xi18nc("@title:window", "Error: Could Not Load Backend Plugin"));
return false;
}
}
return true;
}
Capacity::Unit preferredUnit()
{
return static_cast<Capacity::Unit>(Config::preferredUnit());
}
void showColumnsContextMenu(const QPoint& p, QTreeWidget& tree)
{
QMenu headerMenu(xi18nc("@title:menu", "Columns"));
QHeaderView* header = tree.header();
for (qint32 i = 0; i < tree.model()->columnCount(); i++) {
const int idx = header->logicalIndex(i);
const QString text = tree.model()->headerData(idx, Qt::Horizontal).toString();
QAction* action = headerMenu.addAction(text);
action->setCheckable(true);
action->setChecked(!header->isSectionHidden(idx));
action->setData(idx);
action->setEnabled(idx > 0);
}
QAction* action = headerMenu.exec(tree.header()->mapToGlobal(p));
if (action != nullptr) {
const bool hidden = !action->isChecked();
tree.setColumnHidden(action->data().toInt(), hidden);
if (!hidden)
tree.resizeColumnToContents(action->data().toInt());
}
}
namespace GuiHelpers
{
FileSystem::Type defaultFileSystem()
{
return static_cast<FileSystem::Type>(Config::defaultFileSystem());
}
std::vector<QColor> fileSystemColorCodesFromSettings()
{
std::vector<QColor> cc;
cc.resize(Config::EnumFileSystem::type::COUNT);
for (int i = 0; i < Config::EnumFileSystem::type::COUNT; ++i)
{
cc[i] = Config::fileSystemColorCode(i);
}
return cc;
}
}