File indexing completed on 2024-04-28 15:14:00

 /***************************************************************************
     File                 : HistoryDialog.cpp
     Project              : LabPlot
     Description          : history dialog
     --------------------------------------------------------------------
     Copyright            : (C) 2012-2019 by Alexander Semke (alexander.semke@web.de)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
  *  it under the terms of the GNU General Public License as published by   *
  *  the Free Software Foundation; either version 2 of the License, or      *
  *  (at your option) any later version.                                    *
  *                                                                         *
  *  This program 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 General Public License for more details.                           *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 #include "HistoryDialog.h"
 
 #include <QDialogButtonBox>
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <QWindow>
 #include <QUndoStack>
 #include <QUndoView>
 
 #include <KMessageBox>
 #include <KLocalizedString>
 #include <KSharedConfig>
 #include <KWindowConfig>
 
 /*!
     \class HistoryDialog
     \brief Display the content of project's undo stack.
 
     \ingroup kdefrontend
  */
 HistoryDialog::HistoryDialog(QWidget* parent, QUndoStack* stack, const QString& emptyLabel) : QDialog(parent),
     m_undoStack(stack) {
     auto* undoView = new QUndoView(stack, this);
     undoView->setCleanIcon( QIcon::fromTheme("edit-clear-history") );
     undoView->setEmptyLabel(emptyLabel);
     undoView->setMinimumWidth(350);
     undoView->setWhatsThis(i18n("List of all performed steps/actions.\n"
                                 "Select an item in the list to navigate to the corresponding step."));
 
     setWindowIcon( QIcon::fromTheme("view-history") );
     setWindowTitle(i18nc("@title:window", "Undo/Redo History"));
     setAttribute(Qt::WA_DeleteOnClose);
     auto* btnBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     m_okButton = btnBox->button(QDialogButtonBox::Ok);
 
     connect(btnBox->button(QDialogButtonBox::Cancel), &QPushButton::clicked, this, &HistoryDialog::close);
     connect(btnBox, &QDialogButtonBox::accepted, this, &HistoryDialog::accept);
     connect(btnBox, &QDialogButtonBox::rejected, this, &HistoryDialog::reject);
 
     if (stack->count()) {
         m_clearUndoStackButton = new QPushButton;
         btnBox->addButton(m_clearUndoStackButton, QDialogButtonBox::ActionRole);
         m_clearUndoStackButton->setText(i18n("&Clear"));
         m_clearUndoStackButton->setToolTip(i18n("Clears the undo history. Commands are not undone or redone; the state of the project remains unchanged."));
         m_clearUndoStackButton->setIcon(QIcon::fromTheme("edit-clear"));
         connect(m_clearUndoStackButton, &QPushButton::clicked, this, &HistoryDialog::clearUndoStack);
     }
 
     QFrame* line = new QFrame;
     line->setFrameShape(QFrame::HLine);
     line->setFrameShadow(QFrame::Sunken);
 
     auto* layout = new QVBoxLayout;
 
     layout->addWidget(undoView);
     layout->addWidget(line);
     layout->addWidget(btnBox);
 
     setLayout(layout);
 
     //restore saved settings if available
     create(); // ensure there's a window created
     KConfigGroup conf(KSharedConfig::openConfig(), "HistoryDialog");
     if (conf.exists()) {
         KWindowConfig::restoreWindowSize(windowHandle(), conf);
         resize(windowHandle()->size()); // workaround for QTBUG-40584
     } else
         resize(QSize(500, 300).expandedTo(minimumSize()));
 }
 
 HistoryDialog::~HistoryDialog() {
     //save dialog size
     KConfigGroup conf(KSharedConfig::openConfig(), "HistoryDialog");
     KWindowConfig::saveWindowSize(windowHandle(), conf);
 }
 
 void HistoryDialog::clearUndoStack() {
     if (KMessageBox::questionYesNo( this,
                                     i18n("Do you really want to clear the undo history?"),
                                     i18n("Clear History")
                                   ) == KMessageBox::Yes)
         m_undoStack->clear();
 }