#ifndef lint
static char rcsid[] = "@(#$Id: ssearch_w.cpp,v 1.12 2006-11-30 13:38:44 dockes Exp $ (C) 2006 J.F.Dockes";
#endif
/*
* 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 <qapplication.h>
#include <qinputdialog.h>
#include <qvariant.h>
#include <qpushbutton.h>
#include <qcombobox.h>
#include <qlayout.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <qmessagebox.h>
#include "debuglog.h"
#include "guiutils.h"
#include "searchdata.h"
#include "ssearch_w.h"
#include "refcntr.h"
void SSearch::init()
{
searchTypCMB->insertItem(tr("Any term"));
searchTypCMB->insertItem(tr("All terms"));
searchTypCMB->insertItem(tr("File name"));
queryText->insertStringList(prefs.ssearchHistory);
queryText->setEditText("");
connect(queryText->lineEdit(), SIGNAL(returnPressed()),
this, SLOT(startSimpleSearch()));
connect(queryText->lineEdit(), SIGNAL(textChanged(const QString&)),
this, SLOT(searchTextChanged(const QString&)));
connect(clearqPB, SIGNAL(clicked()),
queryText->lineEdit(), SLOT(clear()));
connect(searchPB, SIGNAL(clicked()), this, SLOT(startSimpleSearch()));
queryText->lineEdit()->installEventFilter(this);
m_escape = false;
}
void SSearch::searchTextChanged( const QString & text )
{
if (text.isEmpty()) {
searchPB->setEnabled(false);
clearqPB->setEnabled(false);
emit clearSearch();
} else {
searchPB->setEnabled(true);
clearqPB->setEnabled(true);
string u8 = (const char *)queryText->currentText().utf8();
if (prefs.autoSearchOnWS && !u8.empty() && u8[u8.length()-1] == ' ')
startSimpleSearch();
}
}
void SSearch::startSimpleSearch()
{
if (queryText->currentText().length() == 0)
return;
RefCntr<Rcl::SearchData> sdata(new Rcl::SearchData(Rcl::SCLT_AND));
string u8 = (const char *)queryText->currentText().utf8();
LOGDEB(("SSearch::startSimpleSearch: [%s]\n", u8.c_str()));
switch (searchTypCMB->currentItem()) {
case 0:
default:
// If this is an or and we're set for autophrase and there are
// no quotes in the query, add a phrase search
if (prefs.ssearchAutoPhrase &&
u8.find_first_of("\"") == string::npos) {
u8 += string(" \"") + u8 + "\"";
}
sdata->addClause(new Rcl::SearchDataClauseSimple(Rcl::SCLT_OR, u8));
break;
case 1:
sdata->addClause(new Rcl::SearchDataClauseSimple(Rcl::SCLT_AND, u8));
break;
case 2:
sdata->addClause(new Rcl::SearchDataClauseFilename(u8));
break;
}
// Search terms history
// Need to remove any previous occurence of the search entry from
// the listbox list, The qt listbox doesn't do lru correctly (if
// already in the list the new entry would remain at it's place,
// not jump at the top as it should
LOGDEB3(("Querytext list count %d\n", queryText->count()));
// Have to save current text, this will change while we clean up the list
QString txt = queryText->currentText();
bool changed;
do {
changed = false;
for (int index = 0; index < queryText->count(); index++) {
LOGDEB3(("Querytext[%d] = [%s]\n", index,
(const char *)(queryText->text(index).utf8())));
if (queryText->text(index).length() == 0 ||
QString::compare(queryText->text(index), txt) == 0) {
LOGDEB3(("Querytext removing at %d [%s] [%s]\n", index,
(const char *)(queryText->text(index).utf8()),
(const char *)(txt.utf8())));
queryText->removeItem(index);
changed = true;
break;
}
}
} while (changed);
// The combobox is set for no insertion, insert here:
queryText->insertItem(txt, 0);
queryText->setCurrentItem(0);
// Save the current state of the listbox list to the prefs (will
// go to disk)
prefs.ssearchHistory.clear();
for (int index = 0; index < queryText->count(); index++) {
prefs.ssearchHistory.push_back(queryText->text(index));
}
emit startSearch(sdata);
}
void SSearch::setAnyTermMode()
{
searchTypCMB->setCurrentItem(0);
}
// Complete last word in input by querying db for all possible terms.
void SSearch::completion()
{
if (!rcldb)
return;
if (searchTypCMB->currentItem() == 2) {
// Filename: no completion
QApplication::beep();
return;
}
// Extract last word in text
string txt = (const char *)queryText->currentText().utf8();
string::size_type cs = txt.find_last_of(" ");
if (cs == string::npos)
cs = 0;
else
cs++;
if (txt.size() == 0 || cs == txt.size()) {
QApplication::beep();
return;
}
string s = txt.substr(cs) + "*";
LOGDEB(("Completing: [%s]\n", s.c_str()));
// Query database
const int max = 100;
list<string> strs;
if (!rcldb->termMatch(Rcl::Db::ET_WILD, s, strs,
prefs.queryStemLang.ascii(),max)
|| strs.size() == 0) {
QApplication::beep();
return;
}
if (strs.size() == (unsigned int)max) {
QMessageBox::warning(0, "Recoll", tr("Too many completions"));
return;
}
// If list from db is single word, insert it, else ask user to select
QString res;
bool ok = false;
if (strs.size() == 1) {
res = QString::fromUtf8(strs.begin()->c_str());
ok = true;
} else {
QStringList lst;
for (list<string>::iterator it=strs.begin(); it != strs.end(); it++)
lst.push_back(QString::fromUtf8(it->c_str()));
res = QInputDialog::getItem(tr("Completions"),
tr("Select an item:"), lst, 0,
FALSE, &ok, this);
}
// Insert result
if (ok) {
txt.erase(cs);
txt.append(res.utf8());
queryText->setEditText(QString::fromUtf8(txt.c_str()));
} else {
return;
}
}
bool SSearch::eventFilter(QObject *target, QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
QKeyEvent *ke = (QKeyEvent *)event;
LOGDEB1(("SSearch::eventFilter: keyPress escape %d key %d\n",
m_escape, ke->key()));
if (ke->key() == Key_Escape) {
LOGDEB(("Escape\n"));
m_escape = true;
return true;
} else if (m_escape && ke->key() == Key_Space) {
LOGDEB(("Escape space\n"));
ke->accept();
completion();
m_escape = false;
return true;
} else {
m_escape = false;
}
}
return QWidget::eventFilter(target, event);
}