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lxqt-session-packaging/lxqt-config-session/autostartmodel.cpp

302 lines
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - The Lightweight Desktop Environment
* http://lxqt.org
*
* Copyright (C) 2011 Alec Moskvin <alecm@gmx.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include <QFileInfo>
#include <XdgDirs>
#include <XdgIcon>
#include "autostartmodel.h"
#include "autostartutils.h"
AutoStartItemModel::AutoStartItemModel(QObject* parent) :
QAbstractItemModel(parent),
mItemMap(AutostartItem::createItemMap()),
mGlobalIndex(QAbstractItemModel::createIndex(0, 0)),
mLXQtIndex(QAbstractItemModel::createIndex(1, 0))
{
QMap<QString,AutostartItem>::iterator iter;
for (iter = mItemMap.begin(); iter != mItemMap.end(); ++iter)
{
if (!AutostartUtils::isLXQtModule(iter.value().file()))
{
if (showOnlyInLXQt(iter.value().file()))
mLXQtItems.append(iter.key());
else
mGlobalItems.append(iter.key());
}
}
}
AutoStartItemModel::~AutoStartItemModel()
{
}
/*
* All actual file operations are perfomed here when the window is closed.
*/
bool AutoStartItemModel::writeChanges()
{
foreach (AutostartItem item, mItemMap.values())
item.commit();
return true;
}
QMap<QString, AutostartItem> AutoStartItemModel::items()
{
QMap<QString, AutostartItem> allItems;
QString s;
foreach(s, mLXQtItems)
allItems[s] = mItemMap.value(s);
foreach(s, mGlobalItems)
allItems[s] = mItemMap.value(s);
return allItems;
}
/*
* Creates or replaces an autostart entry
*/
bool AutoStartItemModel::setEntry(const QModelIndex& index, XdgDesktopFile entry, bool overwrite)
{
QModelIndex parent;
if (index.parent().isValid())
parent = index.parent();
else if (index.isValid())
parent = index;
else
parent = mGlobalIndex;
QString fileName = QFileInfo(entry.fileName()).fileName();
bool replacing = mItemMap.contains(fileName);
if (!overwrite && replacing)
return false;
if (parent == mLXQtIndex)
entry.setValue("OnlyShowIn", "LXQt;");
mItemMap[fileName].setFile(entry);
if (replacing)
{
emit dataChanged(index, index);
return true;
}
beginInsertRows(parent, 0, 0);
if (parent == mGlobalIndex)
mGlobalItems.append(fileName);
else
mLXQtItems.append(fileName);
endInsertRows();
return true;
}
bool AutoStartItemModel::setData(const QModelIndex& index, const QVariant& value, int role)
{
if (role == Qt::CheckStateRole)
{
QString name;
if (index.parent() == mGlobalIndex)
name = mGlobalItems.value(index.row());
else
name = mLXQtItems.value(index.row());
mItemMap[name].setEnabled(value == Qt::Checked);
emit dataChanged(index, index);
return true;
}
return false;
}
/*
* When user clicks "Delete", removes the local item. If there is a "system" item,
* it replaces it.
*/
bool AutoStartItemModel::removeRow(int row, const QModelIndex& parent)
{
if (!parent.isValid())
return false;
QString item;
if (parent == mGlobalIndex)
item = mGlobalItems[row];
else
item = mLXQtItems[row];
if (!mItemMap[item].removeLocal())
{
QModelIndex index = parent.child(row, 0);
emit dataChanged(index, index);
return false;
}
beginRemoveRows(parent, row, row);
if (parent == mGlobalIndex)
mGlobalItems.removeAt(row);
else
mLXQtItems.removeAt(row);
endRemoveRows();
if (mItemMap.value(item).isEmpty())
mItemMap.remove(item);
return true;
}
QModelIndex AutoStartItemModel::index(int row, int column, const QModelIndex& parent) const
{
if (!parent.isValid())
{
if (row == 0)
return mGlobalIndex;
else if (row == 1)
return mLXQtIndex;
}
else if (parent == mGlobalIndex && row < mGlobalItems.size())
return QAbstractItemModel::createIndex(row, column, (void*)&mGlobalItems[row]);
else if (parent == mLXQtIndex && row < mLXQtItems.size())
return QAbstractItemModel::createIndex(row, column, (void*)&mLXQtItems[row]);
return QModelIndex();
}
QVariant AutoStartItemModel::data(const QModelIndex& index, int role) const
{
if (!index.parent().isValid())
{
if (role == Qt::DisplayRole)
{
if (index.row() == 0)
return QString(tr("Global Autostart"));
else if (index.row() == 1)
return QString(tr("LXQt Autostart"));
}
return QVariant();
}
QString name = indexToName(index);
const AutostartItem& item = mItemMap.value(name);
if (role == Qt::DisplayRole)
{
QString title = item.file().name();
if (title.isEmpty())
return name;
return title;
}
else if (role == Qt::ToolTipRole)
{
QStringList tooltip;
if (!item.isTransient())
tooltip << tr("Location: %1").arg(item.file().fileName());
if (item.overrides())
tooltip << tr("Overrides: %1").arg(item.systemfile().fileName());
return tooltip.join("\n");
}
else if (role == Qt::DecorationRole)
{
if (item.overrides())
return XdgIcon::fromTheme("dialog-warning");
else if (!item.isLocal())
return XdgIcon::fromTheme("computer");
}
else if (role == Qt::CheckStateRole)
{
return item.isEnabled() ? Qt::Checked : Qt::Unchecked;
}
return QVariant();
}
Qt::ItemFlags AutoStartItemModel::flags(const QModelIndex& index) const
{
if (index.parent().isValid())
return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsUserCheckable;
if (index.isValid())
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
return 0;
}
/*
* Controls which buttons are enabled/disabled based on the selecton.
*/
AutoStartItemModel::ActiveButtons AutoStartItemModel::activeButtons(const QModelIndex& selection) const
{
if (!selection.isValid() || !selection.parent().isValid())
return AddButton;
else if (!mItemMap.value(indexToName(selection)).isLocal())
return AddButton | EditButton;
else
return AddButton | EditButton | DeleteButton;
}
QModelIndex AutoStartItemModel::parent(const QModelIndex& child) const
{
QString name = indexToName(child);
if (!name.isEmpty())
{
if (showOnlyInLXQt(mItemMap.value(name).file()))
return mLXQtIndex;
return mGlobalIndex;
}
return QModelIndex();
}
int AutoStartItemModel::columnCount(const QModelIndex& parent) const
{
Q_UNUSED(parent);
return 1;
}
int AutoStartItemModel::rowCount(const QModelIndex& parent) const
{
if (!parent.isValid())
return 2;
if (parent == mGlobalIndex)
return mGlobalItems.size();
if (parent == mLXQtIndex)
return mLXQtItems.size();
return 0;
}
bool AutoStartItemModel::showOnlyInLXQt(const XdgDesktopFile& file)
{
return file.value("OnlyShowIn") == "LXQt;";
}
/*
* Maps the index to file name
*/
QString AutoStartItemModel::indexToName(const QModelIndex& index)
{
QString* data = static_cast<QString*>(index.internalPointer());
if (data)
return *data;
return QString();
}
XdgDesktopFile AutoStartItemModel::desktopFile(const QModelIndex& index) const
{
return mItemMap.value(indexToName(index)).file();
}