304 lines
9.3 KiB
C++
304 lines
9.3 KiB
C++
/* Copyright (C) 2012 J.F.Dockes
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "autoconfig.h"
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#include <stdio.h>
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#include <string>
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#include <vector>
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#include <sstream>
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#if defined(USING_WEBKIT)
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# include <QWebSettings>
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# include <QWebFrame>
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# include <QUrl>
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# define QWEBSETTINGS QWebSettings
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# define QWEBPAGE QWebPage
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#elif defined(USING_WEBENGINE)
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// Notes for WebEngine
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// - All links must begin with http:// for acceptNavigationRequest to be
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// called.
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// - The links passed to acceptNav.. have the host part
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// lowercased -> we change S0 to http://h/S0, not http://S0
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# include <QWebEnginePage>
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# include <QWebEngineSettings>
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# include <QtWebEngineWidgets>
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# define QWEBSETTINGS QWebEngineSettings
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# define QWEBPAGE QWebEnginePage
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#else
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#include <QTextBrowser>
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#endif
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#include <QShortcut>
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#include "log.h"
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#include "recoll.h"
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#include "snippets_w.h"
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#include "guiutils.h"
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#include "rcldb.h"
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#include "rclhelp.h"
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#include "plaintorich.h"
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using namespace std;
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#if defined(USING_WEBKIT)
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#define browser ((QWebView*)browserw)
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#elif defined(USING_WEBENGINE)
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#define browser ((QWebEngineView*)browserw)
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#else
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#define browser ((QTextBrowser*)browserw)
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#endif
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class PlainToRichQtSnippets : public PlainToRich {
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public:
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virtual string startMatch(unsigned int)
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{
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return string("<span class='rclmatch' style='")
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+ qs2utf8s(prefs.qtermstyle) + string("'>");
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}
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virtual string endMatch()
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{
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return string("</span>");
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}
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};
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static PlainToRichQtSnippets g_hiliter;
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void SnippetsW::init()
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{
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if (!m_source)
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return;
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QPushButton *searchButton = new QPushButton(tr("Search"));
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searchButton->setAutoDefault(false);
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buttonBox->addButton(searchButton, QDialogButtonBox::ActionRole);
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searchFM->hide();
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new QShortcut(QKeySequence::Find, this, SLOT(slotEditFind()));
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new QShortcut(QKeySequence(Qt::Key_Slash), this, SLOT(slotEditFind()));
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new QShortcut(QKeySequence(Qt::Key_Escape), searchFM, SLOT(hide()));
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new QShortcut(QKeySequence::FindNext, this, SLOT(slotEditFindNext()));
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new QShortcut(QKeySequence(Qt::Key_F3), this, SLOT(slotEditFindNext()));
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new QShortcut(QKeySequence::FindPrevious, this,
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SLOT(slotEditFindPrevious()));
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new QShortcut(QKeySequence(Qt::SHIFT + Qt::Key_F3),
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this, SLOT(slotEditFindPrevious()));
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QPushButton *closeButton = buttonBox->button(QDialogButtonBox::Close);
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if (closeButton)
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connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
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connect(searchButton, SIGNAL(clicked()), this, SLOT(slotEditFind()));
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connect(searchLE, SIGNAL(textChanged(const QString&)),
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this, SLOT(slotSearchTextChanged(const QString&)));
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connect(nextPB, SIGNAL(clicked()), this, SLOT(slotEditFindNext()));
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connect(prevPB, SIGNAL(clicked()), this, SLOT(slotEditFindPrevious()));
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delete browserw;
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#if defined(USING_WEBKIT)
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browserw = new QWebView(this);
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verticalLayout->insertWidget(0, browserw);
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browser->setUrl(QUrl(QString::fromUtf8("about:blank")));
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connect(browser, SIGNAL(linkClicked(const QUrl &)),
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this, SLOT(onLinkClicked(const QUrl &)));
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browser->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
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browser->page()->currentFrame()->setScrollBarPolicy(Qt::Horizontal,
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Qt::ScrollBarAlwaysOff);
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QWEBSETTINGS *ws = browser->page()->settings();
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if (prefs.reslistfontfamily != "") {
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ws->setFontFamily(QWEBSETTINGS::StandardFont, prefs.reslistfontfamily);
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ws->setFontSize(QWEBSETTINGS::DefaultFontSize, prefs.reslistfontsize);
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}
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if (!prefs.snipCssFile.isEmpty())
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ws->setUserStyleSheetUrl(QUrl::fromLocalFile(prefs.snipCssFile));
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#elif defined(USING_WEBENGINE)
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browserw = new QWebEngineView(this);
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verticalLayout->insertWidget(0, browserw);
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browser->setPage(new SnipWebPage(this));
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QWEBSETTINGS *ws = browser->page()->settings();
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if (prefs.reslistfontfamily != "") {
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ws->setFontFamily(QWEBSETTINGS::StandardFont, prefs.reslistfontfamily);
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ws->setFontSize(QWEBSETTINGS::DefaultFontSize, prefs.reslistfontsize);
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}
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// Stylesheet TBD
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#else
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browserw = new QTextBrowser(this);
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verticalLayout->insertWidget(0, browserw);
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connect(browser, SIGNAL(anchorClicked(const QUrl &)),
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this, SLOT(onLinkClicked(const QUrl &)));
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browser->setReadOnly(true);
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browser->setUndoRedoEnabled(false);
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browser->setOpenLinks(false);
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browser->setTabChangesFocus(true);
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if (prefs.reslistfontfamily.length()) {
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QFont nfont(prefs.reslistfontfamily, prefs.reslistfontsize);
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browser->setFont(nfont);
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} else {
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browser->setFont(QFont());
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}
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#endif
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// Make title out of file name if none yet
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string titleOrFilename;
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string utf8fn;
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m_doc.getmeta(Rcl::Doc::keytt, &titleOrFilename);
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m_doc.getmeta(Rcl::Doc::keyfn, &utf8fn);
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if (titleOrFilename.empty()) {
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titleOrFilename = utf8fn;
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}
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QString title("Recoll - Snippets");
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if (!titleOrFilename.empty()) {
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title += QString(" : ") + QString::fromUtf8(titleOrFilename.c_str());
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}
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setWindowTitle(title);
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vector<Rcl::Snippet> vpabs;
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m_source->getAbstract(m_doc, vpabs,
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prefs.snipwMaxLength, prefs.snipwSortByPage);
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HighlightData hdata;
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m_source->getTerms(hdata);
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ostringstream oss;
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oss <<
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"<html><head>"
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"<meta http-equiv=\"content-type\" "
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"content=\"text/html; charset=utf-8\">";
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oss << "<style type=\"text/css\">\nbody,table,select,input {\n";
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oss << "color: " + qs2utf8s(prefs.fontcolor) + ";\n";
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oss << "}\n</style>\n";
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oss << qs2utf8s(prefs.reslistheadertext);
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oss <<
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"</head>"
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"<body>"
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"<table class=\"snippets\">"
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;
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g_hiliter.set_inputhtml(false);
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bool nomatch = true;
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for (const auto& snippet : vpabs) {
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if (snippet.page == -1) {
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oss << "<tr><td colspan=\"2\">" <<
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snippet.snippet << "</td></tr>" << endl;
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continue;
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}
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list<string> lr;
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if (!g_hiliter.plaintorich(snippet.snippet, lr, hdata)) {
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LOGDEB1("No match for [" << snippet.snippet << "]\n");
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continue;
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}
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nomatch = false;
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oss << "<tr><td>";
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if (snippet.page > 0) {
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oss << "<a href=\"http://h/P" << snippet.page << "T" <<
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snippet.term << "\">"
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<< "P. " << snippet.page << "</a>";
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}
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oss << "</td><td>" << lr.front().c_str() << "</td></tr>" << endl;
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}
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oss << "</table>" << endl;
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if (nomatch) {
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oss.str("<html><head></head><body>\n");
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oss << qs2utf8s(tr("<p>Sorry, no exact match was found within limits. "
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"Probably the document is very big and the snippets "
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"generator got lost in a maze...</p>"));
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}
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oss << "\n</body></html>";
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#if defined(USING_WEBKIT) || defined(USING_WEBENGINE)
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browser->setHtml(QString::fromUtf8(oss.str().c_str()));
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#else
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browser->insertHtml(QString::fromUtf8(oss.str().c_str()));
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browser->moveCursor (QTextCursor::Start);
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browser->ensureCursorVisible();
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#endif
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}
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void SnippetsW::slotEditFind()
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{
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searchFM->show();
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searchLE->selectAll();
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searchLE->setFocus();
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}
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void SnippetsW::slotEditFindNext()
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{
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if (!searchFM->isVisible())
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slotEditFind();
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#if defined(USING_WEBKIT) || defined(USING_WEBENGINE)
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browser->findText(searchLE->text());
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#else
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browser->find(searchLE->text());
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#endif
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}
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void SnippetsW::slotEditFindPrevious()
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{
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if (!searchFM->isVisible())
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slotEditFind();
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#if defined(USING_WEBKIT) || defined(USING_WEBENGINE)
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browser->findText(searchLE->text(), QWEBPAGE::FindBackward);
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#else
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browser->find(searchLE->text(), QTextDocument::FindBackward);
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#endif
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}
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void SnippetsW::slotSearchTextChanged(const QString& txt)
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{
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#if defined(USING_WEBKIT) || defined(USING_WEBENGINE)
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browser->findText(txt);
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#else
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// Cursor thing is so that we don't go to the next occurrence with
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// each character, but rather try to extend the current match
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QTextCursor cursor = browser->textCursor();
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cursor.setPosition(cursor.anchor(), QTextCursor::KeepAnchor);
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browser->setTextCursor(cursor);
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browser->find(txt, 0);
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#endif
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}
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void SnippetsW::onLinkClicked(const QUrl &url)
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{
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string ascurl = qs2u8s(url.toString()).substr(9);
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LOGDEB("Snippets::onLinkClicked: [" << ascurl << "]\n");
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if (ascurl.size() > 3) {
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int what = ascurl[0];
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switch (what) {
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case 'P':
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{
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string::size_type numpos = ascurl.find_first_of("0123456789");
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if (numpos == string::npos)
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return;
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int page = atoi(ascurl.c_str() + numpos);
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string::size_type termpos = ascurl.find_first_of("T");
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string term;
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if (termpos != string::npos)
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term = ascurl.substr(termpos+1);
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emit startNativeViewer(m_doc, page,
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QString::fromUtf8(term.c_str()));
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return;
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}
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}
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}
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LOGERR("Snippets::onLinkClicked: bad link [" << ascurl << "]\n");
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}
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