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115 lines
3.3 KiB
115 lines
3.3 KiB
/*
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* LXImage-Qt - a simple and fast image viewer
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* Copyright (C) 2013 PCMan <pcman.tw@gmail.com>
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* Copyright (C) 2018 Nathan Osman <nathan@quickmediasolutions.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <QMutableListIterator>
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#include "application.h"
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#include "mrumenu.h"
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#include "settings.h"
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const int MaxItems = 5;
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using namespace LxImage;
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MruMenu::MruMenu(QWidget *parent)
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: QMenu(parent),
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mFilenames(static_cast<Application*>(qApp)->settings().recentlyOpenedFiles())
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{
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for (QStringList::const_iterator i = mFilenames.constBegin(); i != mFilenames.constEnd(); ++i) {
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addAction(createAction(*i));
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}
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// Add a separator and hide it if there are no items in the list
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mSeparator = addSeparator();
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mSeparator->setVisible(!mFilenames.empty());
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// Add the clear action and disable it if there are no items in the list
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mClearAction = new QAction(tr("&Clear"));
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mClearAction->setEnabled(!mFilenames.empty());
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connect(mClearAction, &QAction::triggered, this, &MruMenu::onClearTriggered);
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addAction(mClearAction);
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}
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void MruMenu::addItem(const QString &filename)
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{
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if (mFilenames.isEmpty()) {
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mSeparator->setVisible(true);
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mClearAction->setEnabled(true);
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}
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// If the filename is already in the list, remove it
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int index = mFilenames.indexOf(filename);
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if (index != -1) {
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mFilenames.removeAt(index);
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destroyAction(index);
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}
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// Insert the action at the beginning of the list
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mFilenames.push_front(filename);
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insertAction(actions().first(), createAction(filename));
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// If the list contains more than MaxItems, remove the last one
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if (mFilenames.count() > MaxItems) {
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mFilenames.removeLast();
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destroyAction(MaxItems - 1);
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}
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updateSettings();
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}
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void MruMenu::onItemTriggered()
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{
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Q_EMIT itemClicked(qobject_cast<QAction*>(sender())->text());
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}
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void MruMenu::onClearTriggered()
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{
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while (!mFilenames.empty()) {
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mFilenames.removeFirst();
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destroyAction(0);
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}
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// Hide the separator and disable the clear action
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mSeparator->setVisible(false);
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mClearAction->setEnabled(false);
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updateSettings();
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}
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QAction *MruMenu::createAction(const QString &filename)
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{
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QAction *action = new QAction(filename, this);
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connect(action, &QAction::triggered, this, &MruMenu::onItemTriggered);
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return action;
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}
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void MruMenu::destroyAction(int index)
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{
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QAction *action = actions().at(index);
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removeAction(action);
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delete action;
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}
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void MruMenu::updateSettings()
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{
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static_cast<Application*>(qApp)->settings().setRecentlyOpenedFiles(mFilenames);
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}
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