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recoll/src/qtgui/rclmain.cpp

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#ifndef lint
static char rcsid[] = "@(#$Id: rclmain.cpp,v 1.28 2006-09-04 15:13:01 dockes Exp $ (C) 2005 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 <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <regex.h>
#include <utility>
#ifndef NO_NAMESPACES
using std::pair;
#endif /* NO_NAMESPACES */
#include <qapplication.h>
#include <qmessagebox.h>
#include <qcstring.h>
#include <qtabwidget.h>
#include <qtimer.h>
#include <qstatusbar.h>
#include <qwindowdefs.h>
#include <qcheckbox.h>
#include <qfontdialog.h>
#include <qspinbox.h>
#include <qcombobox.h>
#include <qtextbrowser.h>
#include <qlineedit.h>
#include <qaction.h>
#include <qpushbutton.h>
#include <qimage.h>
#include <qiconset.h>
#include "recoll.h"
#include "debuglog.h"
#include "mimehandler.h"
#include "pathut.h"
#include "smallut.h"
#include "advsearch.h"
#include "rclversion.h"
#include "sortseq.h"
#include "uiprefs.h"
#include "guiutils.h"
#include "rclreslist.h"
#include "transcode.h"
#include "rclmain.h"
#include "moc_rclmain.cpp"
extern "C" int XFlush(void *);
// Taken from qt designer. Don't know why it's needed.
static QIconSet createIconSet( const QString &name )
{
QIconSet ic( QPixmap::fromMimeSource( name ) );
QString iname = "d_" + name;
ic.setPixmap(QPixmap::fromMimeSource(iname),
QIconSet::Small, QIconSet::Disabled );
return ic;
}
void RclMain::init()
{
curPreview = 0;
asearchform = 0;
sortform = 0;
uiprefs = 0;
// Set the focus to the search terms entry:
sSearch->queryText->setFocus();
// Set result list font according to user preferences.
if (prefs.reslistfontfamily.length()) {
QFont nfont(prefs.reslistfontfamily, prefs.reslistfontsize);
resList->setFont(nfont);
}
string historyfile = path_cat(rclconfig->getConfDir(), "history");
m_history = new RclDHistory(historyfile);
connect(sSearch, SIGNAL(startSearch(Rcl::AdvSearchData)),
this, SLOT(startAdvSearch(Rcl::AdvSearchData)));
// signals and slots connections
connect(sSearch, SIGNAL(clearSearch()),
resList, SLOT(resetSearch()));
connect(prevPageAction, SIGNAL(activated()),
resList, SLOT(resultPageBack()));
connect(nextPageAction, SIGNAL(activated()),
resList, SLOT(showResultPage()));
connect(resList, SIGNAL(docExpand(int)), this, SLOT(docExpand(int)));
connect(resList, SIGNAL(wordSelect(QString)),
this, SLOT(ssearchAddTerm(QString)));
connect(fileExitAction, SIGNAL(activated() ), this, SLOT(fileExit() ) );
connect(fileStart_IndexingAction, SIGNAL(activated()),
this, SLOT(startIndexing()));
connect(helpAbout_RecollAction, SIGNAL(activated()),
this, SLOT(showAboutDialog()));
connect(userManualAction, SIGNAL(activated()), this, SLOT(startManual()));
connect(toolsDoc_HistoryAction, SIGNAL(activated()),
this, SLOT(showDocHistory()));
connect(toolsAdvanced_SearchAction, SIGNAL(activated()),
this, SLOT(showAdvSearchDialog()));
connect(toolsSort_parametersAction, SIGNAL(activated()),
this, SLOT(showSortDialog()));
connect(preferencesQuery_PrefsAction, SIGNAL(activated()),
this, SLOT(showUIPrefs()));
connect(resList, SIGNAL(nextPageAvailable(bool)),
this, SLOT(enableNextPage(bool)));
connect(resList, SIGNAL(prevPageAvailable(bool)),
this, SLOT(enablePrevPage(bool)));
connect(resList, SIGNAL(docEditClicked(int)),
this, SLOT(startNativeViewer(int)));
connect(resList, SIGNAL(docPreviewClicked(int)),
this, SLOT(startPreview(int)));
nextPageAction->setIconSet(createIconSet("nextpage.png"));
prevPageAction->setIconSet(createIconSet("prevpage.png"));
}
// We also want to get rid of the advanced search form and previews
// when we exit (not our children so that it's not systematically
// created over the main form).
bool RclMain::close(bool)
{
fileExit();
return false;
}
//#define SHOWEVENTS
#if defined(SHOWEVENTS)
static const char *eventTypeToStr(int tp)
{
switch (tp) {
case 0: return "None";
case 1: return "Timer";
case 2: return "MouseButtonPress";
case 3: return "MouseButtonRelease";
case 4: return "MouseButtonDblClick";
case 5: return "MouseMove";
case 6: return "KeyPress";
case 7: return "KeyRelease";
case 8: return "FocusIn";
case 9: return "FocusOut";
case 10: return "Enter";
case 11: return "Leave";
case 12: return "Paint";
case 13: return "Move";
case 14: return "Resize";
case 15: return "Create";
case 16: return "Destroy";
case 17: return "Show";
case 18: return "Hide";
case 19: return "Close";
case 20: return "Quit";
case 21: return "Reparent";
case 22: return "ShowMinimized";
case 23: return "ShowNormal";
case 24: return "WindowActivate";
case 25: return "WindowDeactivate";
case 26: return "ShowToParent";
case 27: return "HideToParent";
case 28: return "ShowMaximized";
case 29: return "ShowFullScreen";
case 30: return "Accel";
case 31: return "Wheel";
case 32: return "AccelAvailable";
case 33: return "CaptionChange";
case 34: return "IconChange";
case 35: return "ParentFontChange";
case 36: return "ApplicationFontChange";
case 37: return "ParentPaletteChange";
case 38: return "ApplicationPaletteChange";
case 39: return "PaletteChange";
case 40: return "Clipboard";
case 42: return "Speech";
case 50: return "SockAct";
case 51: return "AccelOverride";
case 52: return "DeferredDelete";
case 60: return "DragEnter";
case 61: return "DragMove";
case 62: return "DragLeave";
case 63: return "Drop";
case 64: return "DragResponse";
case 70: return "ChildInserted";
case 71: return "ChildRemoved";
case 72: return "LayoutHint";
case 73: return "ShowWindowRequest";
case 74: return "WindowBlocked";
case 75: return "WindowUnblocked";
case 80: return "ActivateControl";
case 81: return "DeactivateControl";
case 82: return "ContextMenu";
case 83: return "IMStart";
case 84: return "IMCompose";
case 85: return "IMEnd";
case 86: return "Accessibility";
case 87: return "TabletMove";
case 88: return "LocaleChange";
case 89: return "LanguageChange";
case 90: return "LayoutDirectionChange";
case 91: return "Style";
case 92: return "TabletPress";
case 93: return "TabletRelease";
case 94: return "OkRequest";
case 95: return "HelpRequest";
case 96: return "WindowStateChange";
case 97: return "IconDrag";
case 1000: return "User";
case 65535: return "MaxUser";
default: return "Unknown";
}
}
#endif
void RclMain::fileExit()
{
LOGDEB1(("RclMain: fileExit\n"));
if (asearchform)
delete asearchform;
// Let the exit handler clean up things
exit(0);
}
// This is called on a 100ms timer checks the status of the indexing
// thread and a possible need to exit
void RclMain::periodic100()
{
static int toggle = 0;
// Check if indexing thread done
if (indexingstatus != IDXTS_NULL) {
statusBar()->message("");
if (indexingstatus != IDXTS_OK) {
indexingstatus = IDXTS_NULL;
QMessageBox::warning(0, "Recoll",
QString::fromAscii(indexingReason.c_str()));
}
indexingstatus = IDXTS_NULL;
fileStart_IndexingAction->setEnabled(TRUE);
// Make sure we reopen the db to get the results.
LOGINFO(("Indexing done: closing query database\n"));
rcldb->close();
} else if (indexingdone == 0) {
if (toggle == 0) {
QString msg = tr("Indexing in progress: ");
DbIxStatus status = idxthread_idxStatus();
QString phs;
switch (status.phase) {
case DbIxStatus::DBIXS_FILES: phs=tr("Files");break;
case DbIxStatus::DBIXS_PURGE: phs=tr("Purge");break;
case DbIxStatus::DBIXS_STEMDB: phs=tr("Stemdb");break;
case DbIxStatus::DBIXS_CLOSING:phs=tr("Closing");break;
default: phs=tr("Unknown");break;
}
msg += phs + " ";
if (status.phase == DbIxStatus::DBIXS_FILES) {
char cnts[100];
if (status.dbtotdocs>0)
sprintf(cnts,"(%d/%d) ",status.docsdone, status.dbtotdocs);
else
sprintf(cnts, "(%d) ", status.docsdone);
msg += QString::fromAscii(cnts) + " ";
}
string mf;int ecnt = 0;
string fcharset = rclconfig->getDefCharset(true);
if (!transcode(status.fn, mf, fcharset, "UTF-8", &ecnt) || ecnt) {
mf = url_encode(status.fn, 0);
}
msg += QString::fromUtf8(mf.c_str());
statusBar()->message(msg);
} else if (toggle == 9) {
statusBar()->message("");
}
if (++toggle >= 10)
toggle = 0;
}
if (recollNeedsExit)
fileExit();
}
void RclMain::startIndexing()
{
if (indexingdone)
startindexing = 1;
fileStart_IndexingAction->setEnabled(FALSE);
}
// Note that all our 'urls' are like : file://...
static string urltolocalpath(string url)
{
return url.substr(7, string::npos);
}
// Execute an advanced search query. The parameters normally come from
// the advanced search dialog
void RclMain::startAdvSearch(Rcl::AdvSearchData sdata)
{
LOGDEB(("RclMain::startAdvSearch\n"));
// The db may have been closed at the end of indexing
string reason;
if (!maybeOpenDb(reason)) {
QMessageBox::critical(0, "Recoll", QString(reason.c_str()));
exit(1);
}
resList->resetSearch();
int qopts = 0;
if (prefs.queryBuildAbstract && !sdata.fileNameOnly()) {
qopts |= Rcl::Db::QO_BUILD_ABSTRACT;
if (prefs.queryReplaceAbstract)
qopts |= Rcl::Db::QO_REPLACE_ABSTRACT;
}
if (!prefs.queryStemLang.length() == 0)
qopts |= Rcl::Db::QO_STEM;
if (!rcldb->setQuery(sdata, qopts, prefs.queryStemLang.ascii()))
return;
curPreview = 0;
DocSequence *docsource;
if (sortspecs.sortwidth > 0) {
DocSequenceDb myseq(rcldb, string(tr("Query results").utf8()));
docsource = new DocSeqSorted(myseq, sortspecs,
string(tr("Query results (sorted)").utf8()));
} else {
docsource = new DocSequenceDb(rcldb, string(tr("Query results").utf8()));
}
resList->setDocSource(docsource, sdata);
}
// Open advanced search dialog.
void RclMain::showAdvSearchDialog()
{
if (asearchform == 0) {
asearchform = new AdvSearch(0, tr("Advanced search"), FALSE,
WStyle_Customize | WStyle_NormalBorder |
WStyle_Title | WStyle_SysMenu);
asearchform->setSizeGripEnabled(FALSE);
connect(asearchform, SIGNAL(startSearch(Rcl::AdvSearchData)),
this, SLOT(startAdvSearch(Rcl::AdvSearchData)));
asearchform->show();
} else {
// Close and reopen, in hope that makes us visible...
asearchform->close();
asearchform->show();
}
}
void RclMain::showSortDialog()
{
if (sortform == 0) {
sortform = new SortForm(0, tr("Sort criteria"), FALSE,
WStyle_Customize | WStyle_NormalBorder |
WStyle_Title | WStyle_SysMenu);
sortform->setSizeGripEnabled(FALSE);
connect(sortform, SIGNAL(sortDataChanged(RclSortSpec)),
this, SLOT(sortDataChanged(RclSortSpec)));
sortform->show();
} else {
// Close and reopen, in hope that makes us visible...
sortform->close();
sortform->show();
}
}
void RclMain::showUIPrefs()
{
if (uiprefs == 0) {
uiprefs = new UIPrefsDialog(0, tr("User interface preferences"), FALSE,
WStyle_Customize | WStyle_NormalBorder |
WStyle_Title | WStyle_SysMenu);
uiprefs->setSizeGripEnabled(FALSE);
connect(uiprefs, SIGNAL(uiprefsDone()), this, SLOT(setUIPrefs()));
uiprefs->show();
} else {
// Close and reopen, in hope that makes us visible...
uiprefs->close();
uiprefs->show();
}
}
// If a preview (toplevel) window gets closed by the user, we need to
// clean up because there is no way to reopen it. And check the case
// where the current one is closed
void RclMain::previewClosed(QWidget *w)
{
if (w == (QWidget *)curPreview) {
LOGDEB(("Active preview closed\n"));
curPreview = 0;
} else {
LOGDEB(("Old preview closed\n"));
}
delete w;
}
/**
* Open a preview window for a given document, or load it into new tab of
* existing window.
*
* @param docnum db query index
*/
void RclMain::startPreview(int docnum)
{
Rcl::Doc doc;
if (!resList->getDoc(docnum, doc)) {
QMessageBox::warning(0, "Recoll",
tr("Cannot retrieve document info"
" from database"));
return;
}
// Check file exists in file system
string fn = urltolocalpath(doc.url);
struct stat st;
if (stat(fn.c_str(), &st) < 0) {
QMessageBox::warning(0, "Recoll", tr("Cannot access document file: ") +
fn.c_str());
return;
}
if (curPreview == 0) {
curPreview = new Preview(0, tr("Preview"));
if (curPreview == 0) {
QMessageBox::warning(0, tr("Warning"),
tr("Can't create preview window"),
QMessageBox::Ok,
QMessageBox::NoButton);
return;
}
curPreview->setCaption(resList->getDescription());
connect(curPreview, SIGNAL(previewClosed(QWidget *)),
this, SLOT(previewClosed(QWidget *)));
connect(curPreview, SIGNAL(wordSelect(QString)),
this, SLOT(ssearchAddTerm(QString)));
curPreview->show();
} else {
if (curPreview->makeDocCurrent(fn, doc)) {
// Already there
return;
}
(void)curPreview->addEditorTab();
}
m_history->enterDocument(fn, doc.ipath);
if (!curPreview->loadFileInCurrentTab(fn, st.st_size, doc))
curPreview->closeCurrentTab();
}
// Add term to simple search. Term comes out of double-click in
// reslist or preview. The cleanup code is really horrible. Selection
// out of the reslist will typically look like
// <!-- Fragment -->sometext
// It would probably be better to cleanup in preview.ui.h and
// rclreslist.cpp and do the proper html stuff in the latter case
// (which is different because it's format is explicit richtext
// instead of auto as for preview, needed because it's built by
// fragments?).
static const char* punct = " \t()<>\"'[]{}!^*,\n\r";
void RclMain::ssearchAddTerm(QString term)
{
string t = (const char *)term.utf8();
string::size_type pos = t.find_last_not_of(punct);
if (pos == string::npos)
return;
t = t.substr(0, pos+1);
pos = t.find_last_of(punct);
if (pos != string::npos)
t = t.substr(pos+1);
if (t.empty())
return;
term = QString::fromUtf8(t.c_str());
QString text = sSearch->queryText->currentText();
text += QString::fromLatin1(" ") + term;
sSearch->queryText->setEditText(text);
}
void RclMain::startNativeViewer(int docnum)
{
Rcl::Doc doc;
if (!resList->getDoc(docnum, doc)) {
QMessageBox::warning(0, "Recoll",
tr("Cannot retrieve document info"
" from database"));
return;
}
// Look for appropriate viewer
string cmd = rclconfig->getMimeViewerDef(doc.mimetype);
if (cmd.length() == 0) {
QMessageBox::warning(0, "Recoll",
tr("No external viewer configured for mime type ")
+ doc.mimetype.c_str());
return;
}
string fn = urltolocalpath(doc.url);
string url = url_encode(doc.url, 7);
// Substitute %u (url) and %f (file name) inside prototype command
string ncmd;
string::const_iterator it1;
for (it1 = cmd.begin(); it1 != cmd.end();it1++) {
if (*it1 == '%') {
if (++it1 == cmd.end()) {
ncmd += '%';
break;
}
if (*it1 == '%')
ncmd += '%';
if (*it1 == 'u')
ncmd += "'" + url + "'";
if (*it1 == 'f')
ncmd += "'" + fn + "'";
} else {
ncmd += *it1;
}
}
ncmd += " &";
QStatusBar *stb = statusBar();
if (stb) {
string fcharset = rclconfig->getDefCharset(true);
string prcmd;
transcode(ncmd, prcmd, fcharset, "UTF-8");
QString msg = tr("Executing: [") +
QString::fromUtf8(prcmd.c_str()) + "]";
stb->message(msg, 5000);
}
m_history->enterDocument(fn, doc.ipath);
system(ncmd.c_str());
}
void RclMain::showAboutDialog()
{
string vstring = string("Recoll ") + rclversion +
"<br>" + "http://www.recoll.org";
QMessageBox::information(this, tr("About Recoll"), vstring.c_str());
}
void RclMain::startManual()
{
QString msg = tr("Starting help browser ");
if (prefs.htmlBrowser != QString(""))
msg += prefs.htmlBrowser;
statusBar()->message(msg, 3000);
startHelpBrowser();
}
void RclMain::docExpand(int docnum)
{
Rcl::Doc doc;
if (!resList->getDoc(docnum, doc))
return;
list<string> terms;
terms = rcldb->expand(doc);
// Do we keep the original query. I think we'd better not.
// rcldb->expand is set to keep the original query terms instead.
QString text;// = sSearch->queryText->currentText();
for (list<string>::iterator it = terms.begin(); it != terms.end(); it++) {
text += QString::fromLatin1(" \"") +
QString::fromUtf8((*it).c_str()) + QString::fromLatin1("\"");
}
// We need to insert item here, its not auto-done like when the user types
// CR
sSearch->queryText->setEditText(text);
sSearch->queryText->insertItem(text, 0);
sSearch->setAnyTermMode();
sSearch->startSimpleSearch();
}
void RclMain::showDocHistory()
{
LOGDEB(("RclMain::showDocHistory\n"));
resList->resetSearch();
curPreview = 0;
string reason;
if (!maybeOpenDb(reason)) {
QMessageBox::critical(0, "Recoll", QString(reason.c_str()));
exit(1);
}
DocSequence *docsource;
if (sortspecs.sortwidth > 0) {
DocSequenceHistory myseq(rcldb, m_history, string(tr("Document history").utf8()));
docsource = new DocSeqSorted(myseq, sortspecs,
string(tr("Document history (sorted)").utf8()));
} else {
docsource = new DocSequenceHistory(rcldb, m_history,
string(tr("Document history").utf8()));
}
Rcl::AdvSearchData sdata;
sdata.description = tr("History data").utf8();
resList->setDocSource(docsource, sdata);
}
void RclMain::sortDataChanged(RclSortSpec spec)
{
LOGDEB(("RclMain::sortDataChanged\n"));
sortspecs = spec;
}
// Called when the uiprefs dialog is ok'd
void RclMain::setUIPrefs()
{
if (!uiprefs)
return;
LOGDEB(("Recollmain::setUIPrefs\n"));
if (prefs.reslistfontfamily.length()) {
QFont nfont(prefs.reslistfontfamily, prefs.reslistfontsize);
resList->setFont(nfont);
} else {
resList->setFont(this->font());
}
}
void RclMain::enableNextPage(bool yesno)
{
nextPageAction->setEnabled(yesno);
}
void RclMain::enablePrevPage(bool yesno)
{
prevPageAction->setEnabled(yesno);
}
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