#ifndef _PREVIEW_W_H_INCLUDED_
#define _PREVIEW_W_H_INCLUDED_
/* @(#$Id: preview_w.h,v 1.20 2008-12-16 14:20:10 dockes Exp $ (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.
*/
#include <qvariant.h>
#include <qwidget.h>
#include <stdio.h>
#include "rcldb.h"
#include "refcntr.h"
#include "plaintorich.h"
class QTabWidget;
class QLabel;
class QLineEdit;
class QPushButton;
class QCheckBox;
class PreviewTextEdit;
class Preview;
#if (QT_VERSION < 0x040000)
#include <qtextedit.h>
#include <private/qrichtext_p.h>
#define QTEXTEDIT QTextEdit
class QPopupMenu;
#define RCLPOPUP QPopupMenu
#else
#include <q3textedit.h>
#include <q3richtext_p.h>
class Q3PopupMenu;
#define RCLPOPUP Q3PopupMenu
#define QTEXTEDIT Q3TextEdit
#endif
// We keep a list of data associated to each tab
class TabData {
public:
string url; // filename for this tab
string ipath; // Internal doc path inside file
int 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 fdoc;
// 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 richtxt;
Qt::TextFormat format;
TabData()
: docnum(-1)
{}
};
class PreviewTextEdit : public QTEXTEDIT {
Q_OBJECT
public:
PreviewTextEdit(QWidget* parent, const char* name, Preview *pv)
: QTEXTEDIT(parent, name), m_preview(pv), m_dspflds(false)
{}
void moveToAnchor(const QString& name);
#if (QT_VERSION >= 0x040000)
virtual bool find(const QString &expr, bool cs, bool wo,bool forward = true,
int *para = 0, int *index = 0);
#endif
public slots:
virtual void toggleFields();
virtual void print();
friend class Preview;
private:
virtual RCLPOPUP *createPopupMenu(const QPoint& pos);
Preview *m_preview;
TabData m_data;
bool m_dspflds;
};
// Subclass plainToRich to add <termtag>s and anchors to the preview text
class PlainToRichQtPreview : public PlainToRich {
public:
int lastanchor;
PlainToRichQtPreview()
{
lastanchor = 0;
}
virtual ~PlainToRichQtPreview() {}
virtual string header() {
if (m_inputhtml) {
return snull;
} else {
return string("<qt><head><title></title></head><body><pre>");
}
}
virtual string startMatch() {return string("<termtag>");}
virtual string endMatch() {return string("</termtag>");}
virtual string termAnchorName(int i) {
static const char *termAnchorNameBase = "TRM";
char acname[sizeof(termAnchorNameBase) + 20];
sprintf(acname, "%s%d", termAnchorNameBase, i);
if (i > lastanchor)
lastanchor = i;
return string(acname);
}
virtual string startAnchor(int i) {
return string("<a name=\"") + termAnchorName(i) + "\">";
}
virtual string endAnchor() {
return string("</a>");
}
virtual string startChunk() { return "<pre>";}
};
class Preview : public QWidget {
Q_OBJECT
public:
Preview(int sid, // Search Id
const HiliteData& hdata) // Search terms etc. for highlighting
: QWidget(0), m_searchId(sid), m_hData(hdata)
{
init();
}
~Preview(){}
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);
friend class PreviewTextEdit;
public slots:
virtual void searchTextLine_textChanged(const QString& text);
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 textDoubleClicked(int, int);
virtual void selecChanged();
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();
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;
bool m_canBeep;
bool m_loading;
QWidget *m_currentW;
HiliteData m_hData;
bool m_justCreated; // First tab create is different
PlainToRichQtPreview m_plaintorich;
bool m_haveAnchors; // Search terms are marked in text
int m_lastAnchor; // Number of last anchor. Then rewind to 1
int m_curAnchor;
QTabWidget* pvTab;
QLabel* searchLabel;
QLineEdit* searchTextLine;
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_ */