File indexing completed on 2024-05-19 15:27:53

 /* This file is part of KGraphViewer.
    Copyright (C) 2005-2007 Gael de Chalendar <kleag@free.fr>
 
    KGraphViewer 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, version 2.
 
    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
 */
 
 /* This file was part of the KDE project
    Copyright (C) 2005 Jarosław Staniek <staniek@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
  */
 
 #include "simpleprintpreviewwindow.h"
 #include "kgraphviewerlib_debug.h"
 #include "simpleprintingengine.h"
 #include "simpleprintpreviewwindow_p.h"
 // #include <kexi_version.h>
 
 #include <qlabel.h>
 #include <qlayout.h>
 #include <qtimer.h>
 // Added by qt3to4:
 #include <QDesktopWidget>
 #include <QEvent>
 #include <QKeyEvent>
 #include <QPixmap>
 #include <QVBoxLayout>
 
 #include <QAction>
 #include <QApplication>
 #include <QDebug>
 #include <QDialog>
 #include <QIcon>
 #include <QPushButton>
 #include <QToolButton>
 #include <kparts/mainwindow.h>
 #include <kstandardaction.h>
 
 #include <iostream>
 #include <klocalizedstring.h>
 
 namespace KGraphViewer
 {
 KGVSimplePrintPreviewWindow::KGVSimplePrintPreviewWindow(KGVSimplePrintingEngine &engine, const QString &previewName, QWidget *parent)
     : QWidget(parent)
     , m_engine(engine)
     , m_settings(m_engine.settings())
     , m_pageNumber(-1)
     , m_actions(this)
 {
     setObjectName("KGVSimplePrintPreviewWindow");
     //  m_pagesCount = INT_MAX;
 
     setWindowTitle(i18n("%1 - Print Preview - %2", previewName, QString("")));
     setWindowIcon(QIcon::fromTheme(QLatin1String("document-print-preview")));
     QVBoxLayout *lyr = new QVBoxLayout();
 
     m_toolbar = new KToolBar(this);
     m_toolbar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     lyr->addWidget(m_toolbar);
 
     QAction *printAction = KStandardAction::print(this, SLOT(slotPrintClicked()), &m_actions);
     m_toolbar->addAction((QAction *)printAction);
     /// @todo handle the accelerator
     //  static_cast<KPushButton*>(m_toolbar->getWidget(id))->setAccel(Qt::CTRL|Qt::Key_P);
     /// @todo add the separator
     //  m_toolbar->addSeparator();
 
     QAction *pageSetupAction = new QAction(i18n("&Page setup"), this);
     //                                &m_actions, "file_page_setup");
     connect(pageSetupAction, &QAction::triggered, this, &KGVSimplePrintPreviewWindow::slotPageSetup);
     m_toolbar->addAction((QAction *)pageSetupAction);
 
     //  id = m_toolbar->insertWidget(-1, 0, new KPushButton(i18n("Page Set&up..."), m_toolbar));
     /// @todo handle the accelerator
     //  m_toolbar->addConnection(id, SIGNAL(clicked()), this, SLOT(slotPageSetup()));
     /// @todo add the separator
     //  m_toolbar->addSeparator();
 
 #ifndef KGV_NO_UNFINISHED
 //! @todo unfinished
 /*  id = m_toolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("viewmag+"), i18n("Zoom In"), m_toolbar));
     m_toolbar->addConnection(id, SIGNAL(clicked()), this, SLOT(slotZoomInClicked()));
     m_toolbar->addSeparator();
 
     id = m_toolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("viewmag-"), i18n("Zoom Out"), m_toolbar));
     m_toolbar->addConnection(id, SIGNAL(clicked()), this, SLOT(slotZoomOutClicked()));
     m_toolbar->addSeparator();*/
 #endif
 
     QAction *closeAction = KStandardAction::close(this, SLOT(close()), &m_actions);
     m_toolbar->addAction((QAction *)closeAction);
 
     m_scrollView = new KGVSimplePrintPreviewScrollView(this);
     m_scrollView->setUpdatesEnabled(true);
     m_view = (KGVSimplePrintPreviewView *)m_scrollView->widget();
     m_scrollView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     lyr->addWidget(m_scrollView);
 
     m_navToolbar = new KToolBar(this);
     m_navToolbar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     lyr->addWidget(m_navToolbar);
 
     QAction *firstPageAction = KStandardAction::firstPage(this, SLOT(slotFirstClicked()), &m_actions);
     m_navToolbar->addAction((QAction *)firstPageAction);
     m_navToolbar->addSeparator();
 
     QAction *previousAction = new QAction(i18n("Previous Page"), this);
     //                                &m_actions,  "prevpage");
     connect(previousAction, &QAction::triggered, this, &KGVSimplePrintPreviewWindow::slotPreviousClicked);
     m_navToolbar->addAction((QAction *)previousAction);
     m_navToolbar->addSeparator();
 
     m_pageNumberLabel = new QLabel(m_navToolbar);
     m_navToolbar->addWidget(m_pageNumberLabel);
     m_navToolbar->addSeparator();
 
     QAction *nextAction = new QAction(i18n("Next Page"), this); //&m_actions, "nextpage");
     connect(nextAction, &QAction::triggered, this, &KGVSimplePrintPreviewWindow::slotNextClicked);
     m_navToolbar->addAction((QAction *)nextAction);
     m_navToolbar->addSeparator();
 
     QAction *lastPageAction = KStandardAction::lastPage(this, SLOT(slotLastClicked()), this);
     //                                       &m_actions);
     m_navToolbar->addAction((QAction *)lastPageAction);
     m_navToolbar->addSeparator();
 
     resize(width(), qApp->desktop()->height() * 4 / 5);
 
     this->setLayout(lyr);
     //! @todo progress bar...
 
     QTimer::singleShot(50, this, SLOT(initLater()));
 }
 
 void KGVSimplePrintPreviewWindow::initLater()
 {
     qCDebug(KGRAPHVIEWERLIB_LOG);
     setFullWidth();
     updatePagesCount();
     goToPage(0);
 }
 
 KGVSimplePrintPreviewWindow::~KGVSimplePrintPreviewWindow()
 {
 }
 
 void KGVSimplePrintPreviewWindow::slotPrintClicked()
 {
     hide();
     emit printRequested();
     show();
     raise();
 }
 
 void KGVSimplePrintPreviewWindow::slotPageSetup()
 {
     lower();
     emit pageSetupRequested();
 }
 
 void KGVSimplePrintPreviewWindow::slotZoomInClicked()
 {
     //! @todo
 }
 
 void KGVSimplePrintPreviewWindow::slotZoomOutClicked()
 {
     //! @todo
 }
 
 void KGVSimplePrintPreviewWindow::slotFirstClicked()
 {
     goToPage(0);
 }
 
 void KGVSimplePrintPreviewWindow::slotPreviousClicked()
 {
     goToPage(m_pageNumber - 1);
 }
 
 void KGVSimplePrintPreviewWindow::slotNextClicked()
 {
     goToPage(m_pageNumber + 1);
 }
 
 void KGVSimplePrintPreviewWindow::slotLastClicked()
 {
     goToPage(m_engine.pagesCount() - 1);
 }
 
 void KGVSimplePrintPreviewWindow::slotRedraw()
 {
     m_engine.clear();
     setFullWidth();
     updatePagesCount();
     m_pageNumber = 0;
     m_view->repaint(); // this will automatically paint a new page
 
     //   m_navToolbar->setItemEnabled(m_idNext, m_pageNumber < ((int)m_engine.pagesCount()-1));
     //   m_navToolbar->setItemEnabled(m_idLast, m_pageNumber < ((int)m_engine.pagesCount()-1));
     //   m_navToolbar->setItemEnabled(m_idPrevious, m_pageNumber > 0);
     //   m_navToolbar->setItemEnabled(m_idFirst, m_pageNumber > 0);
     m_pageNumberLabel->setText(i18nc("Page (number) of (total)", "Page %1 of %2", m_pageNumber + 1, m_engine.pagesCount()));
 }
 
 void KGVSimplePrintPreviewWindow::goToPage(int pageNumber)
 {
     qCDebug(KGRAPHVIEWERLIB_LOG) << pageNumber;
     if (pageNumber == m_pageNumber || pageNumber < 0 || pageNumber > ((int)m_engine.pagesCount() - 1))
         return;
     m_pageNumber = pageNumber;
 
     m_view->repaint(); // this will automatically paint a new page
     //  if (m_engine.eof())
     //      m_pagesCount = pageNumber+1;
 
     //  m_navToolbar->setItemEnabled(m_idNext, pageNumber < ((int)m_engine.pagesCount()-1));
     //  m_navToolbar->setItemEnabled(m_idLast, pageNumber < ((int)m_engine.pagesCount()-1));
     //  m_navToolbar->setItemEnabled(m_idPrevious, pageNumber > 0);
     //  m_navToolbar->setItemEnabled(m_idFirst, pageNumber > 0);
     m_pageNumberLabel->setText(i18nc("Page (number) of (total)", "Page %1 of %2", m_pageNumber + 1, m_engine.pagesCount()));
 }
 
 void KGVSimplePrintPreviewWindow::setFullWidth()
 {
     m_scrollView->setFullWidth();
 }
 
 void KGVSimplePrintPreviewWindow::updatePagesCount()
 {
     QPainter p(this);
     //   QPainter p(m_view);
     //   p.begin(this);
     m_engine.calculatePagesCount(p);
     //   p.end();
 }
 
 bool KGVSimplePrintPreviewWindow::event(QEvent *e)
 {
     QEvent::Type t = e->type();
     if (t == QEvent::KeyPress) {
         QKeyEvent *ke = static_cast<QKeyEvent *>(e);
         const int k = ke->key();
         bool ok = true;
         if (k == Qt::Key_Equal || k == Qt::Key_Plus)
             slotZoomInClicked();
         else if (k == Qt::Key_Minus)
             slotZoomOutClicked();
         else if (k == Qt::Key_Home)
             slotFirstClicked();
         else if (k == Qt::Key_End)
             slotLastClicked();
         else
             ok = false;
 
         if (ok) {
             ke->accept();
             return true;
         }
     } else if (t == QEvent::ShortcutOverride) {
         QKeyEvent *ke = static_cast<QKeyEvent *>(e);
         const int k = ke->key();
         bool ok = true;
         if (k == Qt::Key_PageUp)
             slotPreviousClicked();
         else if (k == Qt::Key_PageDown)
             slotNextClicked();
         else
             ok = false;
 
         if (ok) {
             ke->accept();
             return true;
         }
     }
     return QWidget::event(e);
 }
 
 }
 
 #include "moc_simpleprintpreviewwindow.cpp"