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snippets_w.cpp    227 lines (202 with data), 6.8 kB

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/* Copyright (C) 2012 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 "autoconfig.h"
// Use textBrowser or webview. Tried using textbrowser to solve a
// crash at a point, kept the code. Search did not work, but this
// should be easy to fix by looking at the preview code.
#define SNIPPETS_WEBKIT
#include <unistd.h>
#include <stdio.h>
#include <string>
#include <vector>
#include <sstream>
using namespace std;
#ifdef SNIPPETS_WEBKIT
#include <QWebSettings>
#include <QWebFrame>
#else
#include <QTextBrowser>
#endif
#include <QShortcut>
#include "debuglog.h"
#include "recoll.h"
#include "snippets_w.h"
#include "guiutils.h"
#include "rcldb.h"
#include "rclhelp.h"
#include "plaintorich.h"
class PlainToRichQtSnippets : public PlainToRich {
public:
virtual string startMatch(unsigned int)
{
return string("<span class='rclmatch' style='color: ")
+ string((const char *)prefs.qtermcolor.toAscii()) + string("'>");
}
virtual string endMatch()
{
return string("</span>");
}
};
static PlainToRichQtSnippets g_hiliter;
void SnippetsW::init()
{
if (m_source.isNull())
return;
QPushButton *searchButton = new QPushButton(tr("Search"));
searchButton->setAutoDefault(false);
buttonBox->addButton(searchButton, QDialogButtonBox::ActionRole);
searchFM->hide();
new QShortcut(QKeySequence::Find, this, SLOT(slotEditFind()));
new QShortcut(QKeySequence(Qt::Key_Slash), this, SLOT(slotEditFind()));
new QShortcut(QKeySequence(Qt::Key_Escape), searchFM, SLOT(hide()));
new QShortcut(QKeySequence::FindNext, this, SLOT(slotEditFindNext()));
new QShortcut(QKeySequence(Qt::Key_F3), this, SLOT(slotEditFindNext()));
new QShortcut(QKeySequence::FindPrevious, this,
SLOT(slotEditFindPrevious()));
new QShortcut(QKeySequence(Qt::SHIFT + Qt::Key_F3),
this, SLOT(slotEditFindPrevious()));
QPushButton *closeButton = buttonBox->button(QDialogButtonBox::Close);
if (closeButton)
connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
connect(searchButton, SIGNAL(clicked()), this, SLOT(slotEditFind()));
connect(searchLE, SIGNAL(textChanged(const QString&)),
this, SLOT(slotSearchTextChanged(const QString&)));
connect(nextPB, SIGNAL(clicked()), this, SLOT(slotEditFindNext()));
connect(prevPB, SIGNAL(clicked()), this, SLOT(slotEditFindPrevious()));
#ifdef SNIPPETS_WEBKIT
connect(browser, SIGNAL(linkClicked(const QUrl &)),
this, SLOT(linkWasClicked(const QUrl &)));
browser->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
browser->page()->currentFrame()->setScrollBarPolicy(Qt::Horizontal,
Qt::ScrollBarAlwaysOff);
QWebSettings *ws = browser->page()->settings();
if (prefs.reslistfontfamily != "") {
ws->setFontFamily(QWebSettings::StandardFont, prefs.reslistfontfamily);
ws->setFontSize(QWebSettings::DefaultFontSize, prefs.reslistfontsize);
}
#else
connect(browser, SIGNAL(anchorClicked(const QUrl &)),
this, SLOT(linkWasClicked(const QUrl &)));
browser->setReadOnly(TRUE);
browser->setUndoRedoEnabled(FALSE);
browser->setOpenLinks(FALSE);
browser->setTabChangesFocus(true);
if (prefs.reslistfontfamily.length()) {
QFont nfont(prefs.reslistfontfamily, prefs.reslistfontsize);
browser->setFont(nfont);
} else {
browser->setFont(QFont());
}
#endif
// Make title out of file name if none yet
string titleOrFilename;
string utf8fn;
m_doc.getmeta(Rcl::Doc::keytt, &titleOrFilename);
m_doc.getmeta(Rcl::Doc::keyfn, &utf8fn);
if (titleOrFilename.empty()) {
titleOrFilename = utf8fn;
}
setWindowTitle(QString::fromUtf8(titleOrFilename.c_str()));
vector<Rcl::Snippet> vpabs;
m_source->getAbstract(m_doc, vpabs);
HighlightData hdata;
m_source->getTerms(hdata);
ostringstream oss;
oss <<
"<html><head>"
"<meta http-equiv=\"content-type\" "
"content=\"text/html; charset=utf-8\"></head>"
"<body style='overflow-x: scroll; white-space: nowrap'>"
"<table>"
;
g_hiliter.set_inputhtml(false);
for (vector<Rcl::Snippet>::const_iterator it = vpabs.begin();
it != vpabs.end(); it++) {
list<string> lr;
if (!g_hiliter.plaintorich(it->snippet, lr, hdata)) {
LOGDEB1(("No match for [%s]\n", it->snippet.c_str()));
continue;
}
oss << "<tr><td>";
if (it->page > 0) {
oss << "<a href=\"P" << it->page << "T" << it->term << "\">"
<< "P.&nbsp;" << it->page << "</a>";
}
oss << "</td><td>" << lr.front().c_str() << "</td></tr>" << endl;
}
oss << "</body></html>";
#ifdef SNIPPETS_WEBKIT
browser->setHtml(QString::fromUtf8(oss.str().c_str()));
#else
browser->insertHtml(QString::fromUtf8(oss.str().c_str()));
#endif
}
void SnippetsW::slotEditFind()
{
searchFM->show();
searchLE->selectAll();
searchLE->setFocus();
}
void SnippetsW::slotEditFindNext()
{
#ifdef SNIPPETS_WEBKIT
browser->findText(searchLE->text());
#else
browser->find(searchLE->text(), 0);
#endif
}
void SnippetsW::slotEditFindPrevious()
{
#ifdef SNIPPETS_WEBKIT
browser->findText(searchLE->text(), QWebPage::FindBackward);
#else
browser->find(searchLE->text(), QTextDocument::FindBackward);
#endif
}
void SnippetsW::slotSearchTextChanged(const QString& txt)
{
#ifdef SNIPPETS_WEBKIT
browser->findText(txt);
#else
browser->find(txt, 0);
#endif
}
void SnippetsW::linkWasClicked(const QUrl &url)
{
string ascurl = (const char *)url.toString().toUtf8();
LOGDEB(("Snippets::linkWasClicked: [%s]\n", ascurl.c_str()));
if (ascurl.size() > 3) {
int what = ascurl[0];
switch (what) {
case 'P':
{
string::size_type numpos = ascurl.find_first_of("0123456789");
if (numpos == string::npos)
return;
int page = atoi(ascurl.c_str() + numpos);
string::size_type termpos = ascurl.find_first_of("T");
string term;
if (termpos != string::npos)
term = ascurl.substr(termpos+1);
emit startNativeViewer(m_doc, page,
QString::fromUtf8(term.c_str()));
return;
}
}
}
LOGERR(("Snippets::linkWasClicked: bad link [%s]\n", ascurl.c_str()));
}