174 lines
5.1 KiB
C++
174 lines
5.1 KiB
C++
#ifndef _PREVIEW_W_H_INCLUDED_
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#define _PREVIEW_W_H_INCLUDED_
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/* @(#$Id: preview_w.h,v 1.19 2008-10-03 08:09:35 dockes Exp $ (C) 2006 J.F.Dockes */
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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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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <qvariant.h>
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#include <qwidget.h>
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#include "rcldb.h"
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#include "refcntr.h"
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#include "plaintorich.h"
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class QTabWidget;
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class QLabel;
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class QLineEdit;
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class QPushButton;
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class QCheckBox;
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class QTextEditFixed;
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#if (QT_VERSION < 0x040000)
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#include <qtextedit.h>
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#include <private/qrichtext_p.h>
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#define QTEXTEDIT QTextEdit
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#else
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#include <q3textedit.h>
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#include <q3richtext_p.h>
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#define QTEXTEDIT Q3TextEdit
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#endif
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class QTextEditFixed : public QTEXTEDIT {
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Q_OBJECT
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public:
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QTextEditFixed( QWidget* parent=0, const char* name=0 )
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: QTEXTEDIT(parent, name)
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{}
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void moveToAnchor(const QString& name);
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};
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// We keep a list of data associated to each tab
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class TabData {
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public:
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string fn; // filename for this tab
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string ipath; // Internal doc path inside file
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QWidget *w; // widget for setCurrent
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int docnum; // Index of doc in db search results.
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TabData(QWidget *wi)
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: w(wi), docnum(-1)
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{}
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};
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// Subclass plainToRich to add <termtag>s and anchors to the preview text
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class PlainToRichQtPreview : public PlainToRich {
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public:
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int lastanchor;
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PlainToRichQtPreview(bool inputhtml = false) : PlainToRich(inputhtml) {
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lastanchor = 0;
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}
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virtual ~PlainToRichQtPreview() {}
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virtual string header() {
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if (m_inputhtml) {
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return snull;
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} else {
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return string("<qt><head><title></title></head><body><p>");
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}
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}
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virtual string startMatch() {return string("<termtag>");}
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virtual string endMatch() {return string("</termtag>");}
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virtual string termAnchorName(int i) {
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static const char *termAnchorNameBase = "TRM";
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char acname[sizeof(termAnchorNameBase) + 20];
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sprintf(acname, "%s%d", termAnchorNameBase, i);
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if (i > lastanchor)
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lastanchor = i;
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return string(acname);
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}
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virtual string startAnchor(int i) {
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return string("<a name=\"") + termAnchorName(i) + "\">";
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}
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};
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class Preview : public QWidget {
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Q_OBJECT
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public:
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Preview(int sid, // Search Id
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const HiliteData& hdata) // Search terms etc. for highlighting
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: QWidget(0), m_searchId(sid), m_hData(hdata)
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{
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init();
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}
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~Preview(){}
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virtual void closeEvent(QCloseEvent *e );
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virtual bool eventFilter(QObject *target, QEvent *event );
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virtual bool makeDocCurrent(const string &fn, size_t sz,
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const Rcl::Doc& idoc, int docnum,
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bool sametab = false);
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public slots:
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virtual void searchTextLine_textChanged(const QString& text);
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virtual void doSearch(const QString& str, bool next, bool reverse,
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bool wo = false);
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virtual void nextPressed();
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virtual void prevPressed();
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virtual void currentChanged(QWidget *tw);
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virtual void closeCurrentTab();
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virtual void textDoubleClicked(int, int);
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virtual void selecChanged();
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signals:
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void previewClosed(Preview *);
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void wordSelect(QString);
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void showNext(Preview *w, int sid, int docnum);
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void showPrev(Preview *w, int sid, int docnum);
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void previewExposed(Preview *w, int sid, int docnum);
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private:
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// Identifier of search in main window. This is used to check that
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// we make sense when requesting the next document when browsing
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// successive search results in a tab.
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int m_searchId;
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bool m_dynSearchActive;
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bool m_canBeep;
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bool m_loading;
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list<TabData> m_tabData;
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QWidget *m_currentW;
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HiliteData m_hData;
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bool m_justCreated; // First tab create is different
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PlainToRichQtPreview m_plaintorich;
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bool m_haveAnchors; // Search terms are marked in text
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int m_lastAnchor; // Number of last anchor. Then rewind to 1
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int m_curAnchor;
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QTabWidget* pvTab;
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QLabel* searchLabel;
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QLineEdit* searchTextLine;
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QPushButton* nextButton;
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QPushButton* prevButton;
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QPushButton* clearPB;
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QCheckBox* matchCheck;
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void init();
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virtual void setCurTabProps(const string& fn, const Rcl::Doc& doc,
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int docnum);
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virtual QTextEditFixed *getCurrentEditor();
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virtual QTextEditFixed *addEditorTab();
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virtual bool loadFileInCurrentTab(string fn, size_t sz,
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const Rcl::Doc& idoc, int dnm);
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TabData *tabDataForCurrent(); // Return auxiliary data pointer for cur tab
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};
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#endif /* _PREVIEW_W_H_INCLUDED_ */
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