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/* Copyright (C) 2006 J.F.Dockes
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _PREVIEW_W_H_INCLUDED_
#define _PREVIEW_W_H_INCLUDED_
// Always use a qtextbrowser for now, there is no compelling reason to
// switch to webkit here
#if 1 || defined(RESLIST_TEXTBROWSER)
#define PREVIEW_TEXTBROWSER
#endif
#include <stdio.h>
#include <QComboBox>
#include <qvariant.h>
#include <qwidget.h>
#ifdef PREVIEW_TEXTBROWSER
#include <QTextBrowser>
#define PREVIEW_PARENTCLASS QTextBrowser
#else
#include <QtWebKit/QWebView>
#define PREVIEW_PARENTCLASS QWebView
#endif
#include <qimage.h>
#include "rcldb.h"
#include "refcntr.h"
#include "plaintorich.h"
#include "rclmain_w.h"
class QTabWidget;
class QLabel;
class QPushButton;
class QCheckBox;
class Preview;
class PlainToRichQtPreview;
class PreviewTextEdit : public PREVIEW_PARENTCLASS {
Q_OBJECT;
public:
PreviewTextEdit(QWidget* parent, const char* name, Preview *pv);
virtual ~PreviewTextEdit();
void moveToAnchor(const QString& name);
enum DspType {PTE_DSPTXT, PTE_DSPFLDS, PTE_DSPIMG};
public slots:
virtual void displayFields();
virtual void displayText();
virtual void displayImage();
virtual void print();
virtual void createPopupMenu(const QPoint& pos);
friend class Preview;
protected:
void mouseDoubleClickEvent(QMouseEvent *);
private:
Preview *m_preview;
PlainToRichQtPreview *m_plaintorich;
bool m_dspflds;
string m_url; // filename for this tab
string m_ipath; // Internal doc path inside file
int m_docnum; // Index of doc in db search results.
// doc out of internfile (previous fields come from the index) with
// main text erased (for space).
Rcl::Doc m_fdoc;
// The input doc out of the index/query list
Rcl::Doc m_dbdoc;
// Saved rich (or plain actually) text: the textedit seems to
// sometimes (but not always) return its text stripped of tags, so
// this is needed (for printing for example)
QString m_richtxt;
Qt::TextFormat m_format;
// Temporary file name (possibly, if displaying image). The
// TempFile itself is kept inside main.cpp (because that's where
// signal cleanup happens), but we use its name to ask for release
// when the tab is closed.
string m_tmpfilename;
QImage m_image;
DspType m_curdsp;
};
class Preview : public QWidget {
Q_OBJECT
public:
Preview(int sid, // Search Id
const HighlightData& hdata) // Search terms etc. for highlighting
: QWidget(0), m_searchId(sid), m_searchTextFromIndex(-1), m_hData(hdata)
{
init();
}
virtual void closeEvent(QCloseEvent *e );
virtual bool eventFilter(QObject *target, QEvent *event );
/**
* Arrange for the document to be displayed either by exposing the tab
* if already loaded, or by creating a new tab and loading it.
* @para docnum is used to link back to the result list (to highlight
* paragraph when tab exposed etc.
*/
virtual bool makeDocCurrent(const Rcl::Doc& idoc, int docnum,
bool sametab = false);
void emitWordSelect(QString);
friend class PreviewTextEdit;
public slots:
virtual void searchTextChanged(const QString& text);
virtual void searchTextFromIndex(int);
virtual void doSearch(const QString& str, bool next, bool reverse,
bool wo = false);
virtual void nextPressed();
virtual void prevPressed();
virtual void currentChanged(QWidget *tw);
virtual void closeCurrentTab();
virtual void emitSaveDocToFile();
virtual void togglePlainPre();
signals:
void previewClosed(Preview *);
void wordSelect(QString);
void showNext(Preview *w, int sid, int docnum);
void showPrev(Preview *w, int sid, int docnum);
void previewExposed(Preview *w, int sid, int docnum);
void printCurrentPreviewRequest();
void saveDocToFile(Rcl::Doc);
private:
// Identifier of search in main window. This is used to check that
// we make sense when requesting the next document when browsing
// successive search results in a tab.
int m_searchId;
bool m_dynSearchActive;
// Index value the search text comes from. -1 if text was edited
int m_searchTextFromIndex;
bool m_canBeep;
bool m_loading;
HighlightData m_hData;
bool m_justCreated; // First tab create is different
QTabWidget* pvTab;
QLabel* searchLabel;
QComboBox *searchTextCMB;
QPushButton* nextButton;
QPushButton* prevButton;
QPushButton* clearPB;
QCheckBox* matchCheck;
void init();
virtual void setCurTabProps(const Rcl::Doc& doc, int docnum);
virtual PreviewTextEdit *currentEditor();
virtual PreviewTextEdit *addEditorTab();
virtual bool loadDocInCurrentTab(const Rcl::Doc& idoc, int dnm);
};
#endif /* _PREVIEW_W_H_INCLUDED_ */