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/***************************************************************************
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* Copyright (C) 2005 by Stefan Kebekus *
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* kebekus@kde.org *
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* *
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* Copyright (C) 2005 by Wilfried Huss *
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* Wilfried.Huss@gmx.at *
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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 *
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* along with this program; if not, write to the *
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* 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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#include <tdeaction.h>
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#include <kdialogbase.h>
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#include <tdefiledialog.h>
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#include <tdeparts/genericfactory.h>
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#include <kprinter.h>
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#include <ktempfile.h>
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#include "kvsprefs.h"
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#include <tqapplication.h>
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#include <tqpaintdevicemetrics.h>
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#include <tqprinter.h>
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#include <tqtooltip.h>
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#include "ByteStream.h"
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#include "DjVuToPS.h"
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#include "kprintDialogPage_DJVUpageoptions.h"
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#include "kprintDialogPage_DJVUconversionoptions.h"
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#include "djvumultipage.h"
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#include "pageRangeWidget.h"
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#include "prefs.h"
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#include "kmessagebox.h"
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typedef KParts::GenericFactory<DjVuMultiPage> DjVuMultiPageFactory;
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K_EXPORT_COMPONENT_FACTORY(djvuviewpart, DjVuMultiPageFactory)
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DjVuMultiPage::DjVuMultiPage(TQWidget *parentWidget, const char *widgetName, TQObject *parent,
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const char *name, const TQStringList&)
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: KMultiPage(parentWidget, widgetName, parent, name), djvuRenderer(parentWidget)
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{
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/* This is tdeparts wizardry that cannot be understood by man. Simply
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change the names to match your implementation. */
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setInstance(DjVuMultiPageFactory::instance());
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djvuRenderer.setName("DjVu renderer");
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// Render modes
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TQStringList renderModes;
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renderModes.append(i18n("Color"));
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renderModes.append(i18n("Black and White"));
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renderModes.append(i18n("Show foreground only"));
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renderModes.append(i18n("Show background only"));
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renderModeAction = new TDESelectAction (i18n("Render Mode"), 0, 0, 0, actionCollection(), "render_mode");
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renderModeAction->setItems(renderModes);
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renderModeAction->setCurrentItem(Prefs::renderMode());
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deletePagesAction = new TDEAction(i18n("Delete Pages..."), 0, this, TQT_SLOT(slotDeletePages()), actionCollection(), "delete_pages");
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// change the rendermode
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connect(renderModeAction, TQT_SIGNAL(activated(int)), this, TQT_SLOT(setRenderMode(int)));
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/* It is very important that this method is called in the
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constructor. Otherwise tdemultipage does not know how to render
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files, and crashes may result. */
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setRenderer(&djvuRenderer);
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setXMLFile("djvumultipage.rc");
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enableActions(false);
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}
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DjVuMultiPage::~DjVuMultiPage()
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{
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;
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}
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TDEAboutData* DjVuMultiPage::createAboutData()
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{
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/* You obviously want to change this to match your setup */
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TDEAboutData* about = new TDEAboutData("djvumultipage", I18N_NOOP("KDjView"), "0.1",
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I18N_NOOP("KViewshell DjVu Plugin."),
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TDEAboutData::License_GPL,
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"Wilfried Huss",
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I18N_NOOP("This program displays DjVu files."));
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about->addAuthor ("Stefan Kebekus",
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I18N_NOOP("KViewShell plugin"),
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"kebekus@kde.org",
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"http://www.mi.uni-koeln.de/~kebekus");
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about->addAuthor ("Wilfried Huss",
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I18N_NOOP("DjVu file loading"),
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"Wilfried.Huss@gmx.at");
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return about;
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}
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void DjVuMultiPage::enableActions(bool b)
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{
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KMultiPage::enableActions(b);
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deletePagesAction->setEnabled(b);
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}
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void DjVuMultiPage::setFile(bool r)
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{
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enableActions(r);
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}
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TQStringList DjVuMultiPage::fileFormats() const
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{
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/* This list is used in the file selection dialog when the file is
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saved */
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TQStringList r;
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r << i18n("*.djvu|DjVu file (*.djvu)");
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return r;
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}
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void DjVuMultiPage::setRenderMode(int mode)
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{
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// Save renderMode for future uses
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switch (mode)
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{
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case Prefs::EnumRenderMode::BlackAndWhite:
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Prefs::setRenderMode(Prefs::EnumRenderMode::BlackAndWhite);
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break;
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case Prefs::EnumRenderMode::Foreground:
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Prefs::setRenderMode(Prefs::EnumRenderMode::Foreground);
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break;
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case Prefs::EnumRenderMode::Background:
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Prefs::setRenderMode(Prefs::EnumRenderMode::Background);
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break;
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default: //Prefs::EnumRenderMode::Color
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Prefs::setRenderMode(Prefs::EnumRenderMode::Color);
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}
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Prefs::writeConfig();
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renderModeChanged();
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}
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void DjVuMultiPage::slotDeletePages()
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{
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if (numberOfPages() == 0)
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return;
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KDialogBase dialog( parentWdg, "urldialog", true, i18n("Delete Pages"), KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok, true );
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PageRangeWidget range( 1, numberOfPages(), currentPageNumber(), &dialog, "range widget" );
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TQToolTip::add( &range, i18n( "Select the pages you wish to delete." ) );
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dialog.setButtonOK(i18n("Delete Pages"));
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dialog.setMainWidget(&range);
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if (dialog.exec() != TQDialog::Accepted)
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return;
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djvuRenderer.deletePages(range.getFrom(), range.getTo());
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// =========
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pageCache->deselectText();
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document_history.clear();
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pageCache->clear();
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generateDocumentWidgets();
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// Set number of widgets in the thumbnail sidebar
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markList()->clear();
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markList()->setNumberOfPages(numberOfPages(), KVSPrefs::showThumbnails());
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// Set Table of Contents
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//@@@@@@@@@@ tableOfContents->setContents(renderer->getBookmarks());
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// Clear Statusbar
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emit setStatusBarText(TQString());
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}
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void DjVuMultiPage::print()
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{
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// Paranoid safety checks
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if (djvuRenderer.isEmpty())
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return;
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// Allocate the printer structure
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KPrinter *printer = getPrinter(false);
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if (printer == 0)
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return;
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KPrintDialogPage_DJVUPageOptions *pageOptions = new KPrintDialogPage_DJVUPageOptions();
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if (pageOptions == 0) {
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kdError(1223) << "DjVuMultiPage::print(): Cannot allocate new KPrintDialogPage_PageOptions structure" << endl;
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delete printer;
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return;
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}
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printer->addDialogPage( pageOptions );
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KPrintDialogPage_DJVUConversionOptions *conversionOptions = new KPrintDialogPage_DJVUConversionOptions();
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if (pageOptions == 0) {
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kdError(1223) << "DjVuMultiPage::print(): Cannot allocate new KPrintDialogPage_ConversionOptions structure" << endl;
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delete printer;
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return;
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}
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printer->addDialogPage( conversionOptions );
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// initialize the printer using the print dialog
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if ( printer->setup(parentWdg, i18n("Print %1").arg(m_file.section('/', -1))) ) {
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// Now do the printing.
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TQValueList<int> pageList = printer->pageList();
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if (pageList.isEmpty())
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printer->abort();
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else {
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// Printing usually takes a while. This is to keep the GUI
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// updated.
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tqApp->processEvents();
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// Printing...
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DjVuToPS converter;
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DjVuToPS::Options &options = converter.options;
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// Set PostScript Language Level, taking 3 as the default
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options.set_format(DjVuToPS::Options::PS);
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TQString op = printer->option( "kde-kdjvu-pslevel" );
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if (op == "1")
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options.set_level(1);
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else
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if (op == "3")
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options.set_level(3);
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else
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options.set_level(2);
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// Set page size orientation
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if (printer->option( "kde-kviewshell-rotatepage" ) == "true")
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options.set_orientation (DjVuToPS::Options::AUTO);
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else
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if ( printer->orientation() == KPrinter::Landscape )
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options.set_orientation (DjVuToPS::Options::LANDSCAPE);
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else
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options.set_orientation (DjVuToPS::Options::PORTRAIT);
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// Set render mode, taking "color" as default
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op = printer->option("kde-kdjvu-rendermode");
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if (op == "black-and-white")
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options.set_mode(DjVuToPS::Options::BW);
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else
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if (op == "foreground")
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options.set_mode(DjVuToPS::Options::FORE);
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else
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if (op == "background")
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options.set_mode(DjVuToPS::Options::BACK);
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else
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options.set_mode(DjVuToPS::Options::COLOR);
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// Set Color or Grayscale mode
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if (printer->colorMode() == KPrinter::Color)
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options.set_color(true);
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else
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options.set_color(false);
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// Set Zoom
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if (printer->option( "kde-kdjvu-fitpage" ) == "true")
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options.set_zoom(0);
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else
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options.set_zoom(100);
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KTempFile tmpPSFile(TQString(), "ps");
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tmpPSFile.close();
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tmpPSFile.setAutoDelete(true);
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if (djvuRenderer.convertToPSFile(converter, tmpPSFile.name(), pageList ) == true)
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printer->printFiles( TQStringList(tmpPSFile.name()), true );
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else
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printer->abort();
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}
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delete printer;
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}
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}
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bool DjVuMultiPage::isReadWrite() const
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{
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return true;
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}
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bool DjVuMultiPage::isModified() const
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{
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return djvuRenderer.isModified();
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}
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void DjVuMultiPage::slotSave()
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{
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// Paranoid safety checks
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if (djvuRenderer.isEmpty())
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return;
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// Try to guess the proper ending...
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TQString formats;
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TQString ending;
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int rindex = m_file.findRev(".");
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if (rindex == -1) {
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ending = TQString();
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formats = TQString();
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} else {
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ending = m_file.mid(rindex); // e.g. ".dvi"
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formats = fileFormats().grep(ending).join("\n");
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}
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TQString fileName = KFileDialog::getSaveFileName(TQString(), formats, 0, i18n("Save File As"));
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if (fileName.isEmpty())
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return;
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// Add the ending to the filename. I hope the user likes it that
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// way.
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if (!ending.isEmpty() && fileName.find(ending) == -1)
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fileName = fileName+ending;
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if (TQFile(fileName).exists()) {
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int r = KMessageBox::warningContinueCancel(parentWdg, i18n("The file %1\nalready exists. Do you want to overwrite it?").arg(fileName),
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i18n("Overwrite File"), i18n("Overwrite"));
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if (r == KMessageBox::Cancel)
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return;
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}
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djvuRenderer.save(fileName);
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/*
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if (!djvuRenderer.save(fileName) == false)
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KMessageBox::error( parentWdg,
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i18n("<qt><strong>File error.</strong> Unable to write to the specified file '%1'. The document is <strong>not</strong> saved.</qt>").arg(fileName),
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i18n("File Error"));
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*/
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return;
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}
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#include "djvumultipage.moc"
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