office/okular
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okular/part.h
Albert Astals Cid a6aea95608 Do not start reloading again if we're reloading 
If you press and hold F5 we try to reload multiple times, which isn't a nice idea, let's finish one before starting the next
2017-08-31 01:09:32 +02:00

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/***************************************************************************
* Copyright (C) 2002 by Wilco Greven <greven@kde.org> *
* Copyright (C) 2003-2004 by Christophe Devriese *
* <Christophe.Devriese@student.kuleuven.ac.be> *
* Copyright (C) 2003 by Andy Goossens <andygoossens@telenet.be> *
* Copyright (C) 2003 by Laurent Montel <montel@kde.org> *
* Copyright (C) 2004 by Dominique Devriese <devriese@kde.org> *
* Copyright (C) 2004-2007 by Albert Astals Cid <aacid@kde.org> *
* *
* 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. *
***************************************************************************/
#ifndef _PART_H_
#define _PART_H_
#include <QIcon>
#include <QList>
#include <QPointer>
#include <QProcess>
#include <QtDBus>
#include <QUrl>
#include <KCompressionDevice>
#include <KIO/Job>
#include <KMessageWidget>
#include <KParts/ReadWritePart>
#include <KPluginFactory>
#include "core/observer.h"
#include "core/document.h"
#include "kdocumentviewer.h"
#include "interfaces/viewerinterface.h"
#include "okularpart_export.h"
class QAction;
class QWidget;
class QPrinter;
class QMenu;
class KConfigDialog;
class KConfigGroup;
class KDirWatch;
class KToggleAction;
class KToggleFullScreenAction;
class KSelectAction;
class KAboutData;
class QTemporaryFile;
class QAction;
namespace KParts { class GUIActivateEvent; }
class FindBar;
class ThumbnailList;
class PageSizeLabel;
class PageView;
class PresentationWidget;
class ProgressWidget;
class SearchWidget;
class Sidebar;
class TOC;
class MiniBar;
class MiniBarLogic;
class FileKeeper;
class Reviews;
class BookmarkList;
class DrawingToolActions;
class Layers;
namespace Okular
{
class BrowserExtension;
class ExportFormat;
/**
* Describes the possible embedding modes of the part
*
* @since 0.14 (KDE 4.8)
*/
enum EmbedMode
{
UnknownEmbedMode,
NativeShellMode, // embedded in the native Okular' shell
PrintPreviewMode, // embedded to show the print preview of a document
KHTMLPartMode, // embedded in KHTML
ViewerWidgetMode // the part acts as a widget that can display all kinds of documents
};
/**
* This is a "Part". It that does all the real work in a KPart
* application.
*
* @short Main Part
* @author Wilco Greven <greven@kde.org>
* @version 0.2
*/
class OKULARPART_EXPORT Part : public KParts::ReadWritePart, public Okular::DocumentObserver, public KDocumentViewer, public Okular::ViewerInterface
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "org.kde.okular")
Q_INTERFACES(KDocumentViewer)
Q_INTERFACES(Okular::ViewerInterface)
friend class PartTest;
public:
// Default constructor
/**
* If one element of 'args' contains one of the strings "Print/Preview" or "ViewerWidget",
* the part will be set up in the corresponding mode. Additionally, it is possible to specify
* which config file should be used by adding a string containing "ConfigFileName=<file name>"
* to 'args'.
**/
Part(QWidget* parentWidget, QObject* parent, const QVariantList& args);
// Destructor
~Part();
// inherited from DocumentObserver
void notifySetup( const QVector< Okular::Page * > &pages, int setupFlags ) override;
void notifyViewportChanged( bool smoothMove ) override;
void notifyPageChanged( int page, int flags ) override;
bool openDocument(const QUrl &url, uint page) override;
void startPresentation() override;
QStringList supportedMimeTypes() const override;
QUrl realUrl() const;
void showSourceLocation(const QString& fileName, int line, int column, bool showGraphically = true) override;
void clearLastShownSourceLocation() override;
bool isWatchFileModeEnabled() const override;
void setWatchFileModeEnabled(bool enable) override;
bool areSourceLocationsShownGraphically() const override;
void setShowSourceLocationsGraphically(bool show) override;
bool openNewFilesInTabs() const override;
public Q_SLOTS: // dbus
Q_SCRIPTABLE Q_NOREPLY void goToPage(uint page) override;
Q_SCRIPTABLE Q_NOREPLY void openDocument( const QString &doc );
Q_SCRIPTABLE uint pages();
Q_SCRIPTABLE uint currentPage();
Q_SCRIPTABLE QString currentDocument();
Q_SCRIPTABLE QString documentMetaData( const QString &metaData ) const;
Q_SCRIPTABLE void slotPreferences();
Q_SCRIPTABLE void slotFind();
Q_SCRIPTABLE void slotPrintPreview();
Q_SCRIPTABLE void slotPreviousPage();
Q_SCRIPTABLE void slotNextPage();
Q_SCRIPTABLE void slotGotoFirst();
Q_SCRIPTABLE void slotGotoLast();
Q_SCRIPTABLE void slotTogglePresentation();
Q_SCRIPTABLE Q_NOREPLY void reload();
Q_SCRIPTABLE Q_NOREPLY void enableStartWithPrint();
Q_SIGNALS:
void enablePrintAction(bool enable);
void openSourceReference(const QString& absFileName, int line, int column);
void viewerMenuStateChange(bool enabled);
void enableCloseAction(bool enable);
void mimeTypeChanged(QMimeType mimeType);
void urlsDropped( const QList<QUrl>& urls );
void fitWindowToPage( const QSize& pageViewPortSize, const QSize& pageSize );
protected:
// reimplemented from KParts::ReadWritePart
bool openFile() override;
bool openUrl(const QUrl &url) override;
void guiActivateEvent(KParts::GUIActivateEvent *event) override;
void displayInfoMessage( const QString &message, KMessageWidget::MessageType messageType = KMessageWidget::Information, int duration = -1 );
public:
bool saveFile() override;
bool queryClose() override;
bool closeUrl() override;
bool closeUrl(bool promptToSave) override;
void setReadWrite(bool readwrite) override;
bool saveAs(const QUrl & saveUrl) override;
protected Q_SLOTS:
// connected to actions
void openUrlFromDocument(const QUrl &url);
void openUrlFromBookmarks(const QUrl &url);
void handleDroppedUrls( const QList<QUrl>& urls );
void slotGoToPage();
void slotHistoryBack();
void slotHistoryNext();
void slotAddBookmark();
void slotRenameBookmarkFromMenu();
void slotRenameCurrentViewportBookmark();
void slotPreviousBookmark();
void slotNextBookmark();
void slotFindNext();
void slotFindPrev();
void slotSaveFileAs();
void slotSaveCopyAs();
void slotGetNewStuff();
void slotNewConfig();
void slotShowMenu(const Okular::Page *page, const QPoint &point);
void slotShowTOCMenu(const Okular::DocumentViewport &vp, const QPoint &point, const QString &title);
void slotShowProperties();
void slotShowEmbeddedFiles();
void slotShowLeftPanel();
void slotShowBottomBar();
void slotShowPresentation();
void slotHidePresentation();
void slotExportAs(QAction *);
bool slotImportPSFile();
void slotAboutBackend();
void slotReload();
void close();
void cannotQuit();
void slotShowFindBar();
void slotHideFindBar();
void slotJobStarted(KIO::Job *job);
void slotJobFinished(KJob *job);
void loadCancelled(const QString &reason);
void setWindowTitleFromDocument();
// can be connected to widget elements
void updateViewActions();
void updateBookmarksActions();
void enableTOC(bool enable);
void slotRebuildBookmarkMenu();
void enableLayers( bool enable );
public Q_SLOTS:
// connected to Shell action (and browserExtension), not local one
void slotPrint();
void slotFileDirty( const QString& );
void slotDoFileDirty();
void psTransformEnded(int, QProcess::ExitStatus);
KConfigDialog * slotGeneratorPreferences();
void errorMessage( const QString &message, int duration = 0 );
void warningMessage( const QString &message, int duration = -1 );
void noticeMessage( const QString &message, int duration = -1 );
void moveSplitter( const int sideWidgetSize );
private:
bool aboutToShowContextMenu(QMenu *menu, QAction *action, QMenu *contextMenu);
void showMenu(const Okular::Page *page, const QPoint &point, const QString &bookmarkTitle = QString(), const Okular::DocumentViewport &vp = DocumentViewport());
bool eventFilter(QObject * watched, QEvent * event) override;
Document::OpenResult doOpenFile(const QMimeType &mime, const QString &fileNameToOpen, bool *isCompressedFile);
void setupViewerActions();
void setViewerShortcuts();
void setupActions();
void setupPrint( QPrinter &printer );
void doPrint( QPrinter &printer );
bool handleCompressed(QString &destpath, const QString &path, KCompressionDevice::CompressionType compressionType );
void rebuildBookmarkMenu( bool unplugActions = true );
void updateAboutBackendAction();
void unsetDummyMode();
void slotRenameBookmark( const DocumentViewport &viewport );
void resetStartArguments();
static int numberOfParts;
QTemporaryFile *m_tempfile;
// the document
Okular::Document * m_document;
QString m_temporaryLocalFile;
bool isDocumentArchive;
// main widgets
Sidebar *m_sidebar;
SearchWidget *m_searchWidget;
FindBar * m_findBar;
KMessageWidget * m_topMessage;
KMessageWidget * m_formsMessage;
KMessageWidget * m_infoMessage;
QPointer<ThumbnailList> m_thumbnailList;
QPointer<PageView> m_pageView;
QPointer<TOC> m_toc;
QPointer<MiniBarLogic> m_miniBarLogic;
QPointer<MiniBar> m_miniBar;
QPointer<MiniBar> m_pageNumberTool;
QPointer<QWidget> m_bottomBar;
QPointer<PresentationWidget> m_presentationWidget;
QPointer<ProgressWidget> m_progressWidget;
QPointer<PageSizeLabel> m_pageSizeLabel;
QPointer<Reviews> m_reviewsWidget;
QPointer<BookmarkList> m_bookmarkList;
QPointer<Layers> m_layers;
// document watcher (and reloader) variables
KDirWatch *m_watcher;
QTimer *m_dirtyHandler;
QUrl m_oldUrl;
Okular::DocumentViewport m_viewportDirty;
bool m_isReloading;
bool m_wasPresentationOpen;
QWidget *m_dirtyToolboxItem;
bool m_wasSidebarVisible;
bool m_wasSidebarCollapsed;
bool m_fileWasRemoved;
Rotation m_dirtyPageRotation;
// Remember the search history
QStringList m_searchHistory;
// actions
QAction *m_gotoPage;
QAction *m_prevPage;
QAction *m_nextPage;
QAction *m_beginningOfDocument;
QAction *m_endOfDocument;
QAction *m_historyBack;
QAction *m_historyNext;
QAction *m_addBookmark;
QAction *m_renameBookmark;
QAction *m_prevBookmark;
QAction *m_nextBookmark;
QAction *m_copy;
QAction *m_selectAll;
QAction *m_find;
QAction *m_findNext;
QAction *m_findPrev;
QAction *m_saveAs;
QAction *m_saveCopyAs;
QAction *m_printPreview;
QAction *m_showProperties;
QAction *m_showEmbeddedFiles;
QAction *m_exportAs;
QAction *m_exportAsText;
QAction *m_exportAsDocArchive;
QAction *m_showPresentation;
KToggleAction* m_showMenuBarAction;
KToggleAction* m_showLeftPanel;
KToggleAction* m_showBottomBar;
KToggleFullScreenAction* m_showFullScreenAction;
QAction *m_aboutBackend;
QAction *m_reload;
QMenu *m_exportAsMenu;
QAction *m_closeFindBar;
DrawingToolActions *m_presentationDrawingActions;
bool m_actionsSearched;
BrowserExtension *m_bExtension;
QList<Okular::ExportFormat> m_exportFormats;
QList<QAction*> m_bookmarkActions;
bool m_cliPresentation;
bool m_cliPrint;
QString m_addBookmarkText;
QIcon m_addBookmarkIcon;
EmbedMode m_embedMode;
QUrl m_realUrl;
KXMLGUIClient *m_generatorGuiClient;
FileKeeper *m_keeper;
// Timer for m_infoMessage
QTimer *m_infoTimer;
QString m_registerDbusName;
private Q_SLOTS:
void slotAnnotationPreferences();
void slotHandleActivatedSourceReference(const QString& absFileName, int line, int col, bool *handled);
};
}
#endif
/* kate: replace-tabs on; indent-width 4; */
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