kategrepdialog.cpp
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00021 #include "kategrepdialog.h"
00022 #include "katemainwindow.h"
00023
00024 #include <qobject.h>
00025 #include <qlayout.h>
00026 #include <qlineedit.h>
00027 #include <qlabel.h>
00028 #include <qcombobox.h>
00029 #include <qcheckbox.h>
00030 #include <qevent.h>
00031 #include <qlistbox.h>
00032 #include <qregexp.h>
00033 #include <qwhatsthis.h>
00034 #include <qcursor.h>
00035
00036 #include <kapplication.h>
00037 #include <kaccelmanager.h>
00038 #include <kbuttonbox.h>
00039 #include <kfiledialog.h>
00040 #include <kprocess.h>
00041 #include <kapplication.h>
00042 #include <klocale.h>
00043 #include <kiconloader.h>
00044 #include <kmessagebox.h>
00045 #include <kpushbutton.h>
00046 #include <kurlrequester.h>
00047 #include <kurlcompletion.h>
00048 #include <kcombobox.h>
00049 #include <klineedit.h>
00050
00051 const char *template_desc[] = {
00052 "normal",
00053 "assignment",
00054 "->MEMBER(",
00055 "class::MEMBER(",
00056 "OBJECT->member(",
00057 0
00058 };
00059
00060 const char *strTemplate[] = {
00061 "%s",
00062 "\\<%s\\>[\t ]*=[^=]",
00063 "\\->[\\t ]*\\<%s\\>[\\t ]*(",
00064 "[a-z0-9_$]\\+[\\t ]*::[\\t ]*\\<%s\\>[\\t ]*(",
00065 "\\<%s\\>[\\t ]*\\->[\\t ]*[a-z0-9_$]\\+[\\t ]*(",
00066 0
00067 };
00068
00069
00070 GrepTool::GrepTool(KateMainWindow *parent, const char *name)
00071 : QWidget(parent, name), childproc(0)
00072 {
00073 setCaption(i18n("Find in Files"));
00074 config = KGlobal::config();
00075 config->setGroup("GrepTool");
00076 lastSearchItems = config->readListEntry("LastSearchItems");
00077 lastSearchPaths = config->readListEntry("LastSearchPaths");
00078
00079 QGridLayout *layout = new QGridLayout(this, 6, 3, 4, 4);
00080 layout->setColStretch(0, 10);
00081 layout->addColSpacing(1, 10);
00082 layout->setColStretch(1, 0);
00083 layout->setColStretch(2, 1);
00084 layout->setRowStretch(1, 0);
00085 layout->setRowStretch(2, 10);
00086 layout->setRowStretch(4, 0);
00087
00088 QGridLayout *loInput = new QGridLayout(4, 2, 4);
00089 layout->addLayout(loInput, 0, 0);
00090 loInput->setColStretch(0, 0);
00091 loInput->setColStretch(1, 20);
00092
00093 QLabel *lPattern = new QLabel(i18n("Pattern:"), this);
00094 lPattern->setFixedSize(lPattern->sizeHint());
00095 loInput->addWidget(lPattern, 0, 0, AlignRight | AlignVCenter);
00096
00097 QBoxLayout *loPattern = new QHBoxLayout( 4 );
00098 loInput->addLayout( loPattern, 0, 1 );
00099 cmbPattern = new QComboBox(true, this);
00100 cmbPattern->insertStringList(lastSearchItems);
00101 cmbPattern->setEditText(QString::null);
00102 cmbPattern->setInsertionPolicy(QComboBox::NoInsertion);
00103 lPattern->setBuddy(cmbPattern);
00104 cmbPattern->setFocus();
00105 cmbPattern->setMinimumSize(cmbPattern->sizeHint());
00106 loPattern->addWidget( cmbPattern );
00107
00108 cbCasesensitive = new QCheckBox(i18n("Case sensitive"), this);
00109 cbCasesensitive->setMinimumWidth(cbCasesensitive->sizeHint().width());
00110 cbCasesensitive->setChecked(config->readBoolEntry("CaseSensitive", true));
00111 loPattern->addWidget(cbCasesensitive);
00112
00113 cbRegex = new QCheckBox( i18n("Regular expression"), this );
00114 cbRegex->setMinimumWidth( cbRegex->sizeHint().width() );
00115 cbRegex->setChecked( config->readBoolEntry( "Regex", true ) );
00116 loPattern->addWidget( cbRegex );
00117 loPattern->setStretchFactor( cmbPattern, 100 );
00118
00119 QLabel *lTemplate = new QLabel(i18n("Template:"), this);
00120 lTemplate->setFixedSize(lTemplate->sizeHint());
00121 loInput->addWidget(lTemplate, 1, 0, AlignRight | AlignVCenter);
00122
00123 QBoxLayout *loTemplate = new QHBoxLayout(4);
00124 loInput->addLayout(loTemplate, 1, 1);
00125
00126 leTemplate = new QLineEdit(this);
00127 lTemplate->setBuddy(leTemplate);
00128 leTemplate->setText(strTemplate[0]);
00129 leTemplate->setMinimumSize(leTemplate->sizeHint());
00130 loTemplate->addWidget(leTemplate);
00131
00132 QComboBox *cmbTemplate = new QComboBox(false, this);
00133 cmbTemplate->insertStrList(template_desc);
00134 cmbTemplate->adjustSize();
00135 cmbTemplate->setFixedSize(cmbTemplate->size());
00136 loTemplate->addWidget(cmbTemplate);
00137
00138 QLabel *lFiles = new QLabel(i18n("Files:"), this);
00139 lFiles->setFixedSize(lFiles->sizeHint());
00140 loInput->addWidget(lFiles, 2, 0, AlignRight | AlignVCenter);
00141
00142 cmbFiles = new QComboBox(true, this);
00143 lFiles->setBuddy(cmbFiles->focusProxy());
00144 cmbFiles->setMinimumSize(cmbFiles->sizeHint());
00145 cmbFiles->insertItem("*.h,*.hxx,*.cpp,*.cc,*.C,*.cxx,*.idl,*.c");
00146 cmbFiles->insertItem("*.cpp,*.cc,*.C,*.cxx,*.c");
00147 cmbFiles->insertItem("*.h,*.hxx,*.idl");
00148 cmbFiles->insertItem("*");
00149 loInput->addWidget(cmbFiles, 2, 1);
00150
00151 QLabel *lDir = new QLabel(i18n("Directory:"), this);
00152 lDir->setFixedSize(lDir->sizeHint());
00153 loInput->addWidget(lDir, 3, 0, AlignRight | AlignVCenter);
00154
00155 QBoxLayout *loDir = new QHBoxLayout(3);
00156 loInput->addLayout(loDir, 3, 1);
00157
00158 KComboBox* cmbUrl = new KComboBox(true, this);
00159 cmbUrl->setMinimumWidth(80);
00160 cmbDir = new KURLRequester( cmbUrl, this, "dir combo" );
00161 cmbDir->completionObject()->setMode(KURLCompletion::DirCompletion);
00162 cmbDir->comboBox()->insertStringList(lastSearchPaths);
00163 cmbDir->setMode( KFile::Directory|KFile::LocalOnly );
00164 loDir->addWidget(cmbDir, 1);
00165 lDir->setBuddy(cmbDir);
00166
00167 cbRecursive = new QCheckBox(i18n("Recursive"), this);
00168 cbRecursive->setMinimumWidth(cbRecursive->sizeHint().width());
00169 cbRecursive->setChecked(config->readBoolEntry("Recursive", true));
00170 loDir->addWidget(cbRecursive);
00171
00172 KButtonBox *actionbox = new KButtonBox(this, Qt::Vertical);
00173 layout->addWidget(actionbox, 0, 2);
00174 actionbox->addStretch();
00175 btnSearch = static_cast<KPushButton*>(actionbox->addButton(KGuiItem(i18n("Find"),"find")));
00176 btnSearch->setDefault(true);
00177 btnClear = static_cast<KPushButton*>(actionbox->addButton( KStdGuiItem::clear() ));
00178 actionbox->addStretch();
00179 actionbox->layout();
00180
00181 lbResult = new QListBox(this);
00182 QFontMetrics rb_fm(lbResult->fontMetrics());
00183 layout->addMultiCellWidget(lbResult, 2, 2, 0, 2);
00184
00185 layout->activate();
00186
00187 KAcceleratorManager::manage( this );
00188
00189 QWhatsThis::add(cmbPattern,
00190 i18n("<p>Enter the expression you want to search for here."
00191 "<p>If 'regular expression' is unchecked, any non-space letters in your "
00192 "expression will be escaped with a backslash character."
00193 "<p>Possible meta characters are:<br>"
00194 "<b>.</b> - Matches any character<br>"
00195 "<b>^</b> - Matches the beginning of a line<br>"
00196 "<b>$</b> - Matches the end of a line<br>"
00197 "<b>\\<</b> - Matches the beginning of a word<br>"
00198 "<b>\\></b> - Matches the end of a word"
00199 "<p>The following repetition operators exist:<br>"
00200 "<b>?</b> - The preceding item is matched at most once<br>"
00201 "<b>*</b> - The preceding item is matched zero or more times<br>"
00202 "<b>+</b> - The preceding item is matched one or more times<br>"
00203 "<b>{<i>n</i>}</b> - The preceding item is matched exactly <i>n</i> times<br>"
00204 "<b>{<i>n</i>,}</b> - The preceding item is matched <i>n</i> or more times<br>"
00205 "<b>{,<i>n</i>}</b> - The preceding item is matched at most <i>n</i> times<br>"
00206 "<b>{<i>n</i>,<i>m</i>}</b> - The preceding item is matched at least <i>n</i>, "
00207 "but at most <i>m</i> times."
00208 "<p>Furthermore, backreferences to bracketed subexpressions are available "
00209 "via the notation <code>\\#</code>."
00210 "<p>See the grep(1) documentation for the full documentation."
00211 ));
00212 QWhatsThis::add(cmbFiles,
00213 i18n("Enter the file name pattern of the files to search here.\n"
00214 "You may give several patterns separated by commas."));
00215 QWhatsThis::add(leTemplate,
00216 i18n("You can choose a template for the pattern from the combo box\n"
00217 "and edit it here. The string %s in the template is replaced\n"
00218 "by the pattern input field, resulting in the regular expression\n"
00219 "to search for."));
00220 QWhatsThis::add(cmbDir,
00221 i18n("Enter the directory which contains the files you want to search in."));
00222 QWhatsThis::add(cbRecursive,
00223 i18n("Check this box to search in all subdirectories."));
00224 QWhatsThis::add(cbCasesensitive,
00225 i18n("If this option is enabled (the default), the search will be case sensitive."));
00226 QWhatsThis::add( cbRegex, i18n(
00227 "<p>If this is enabled, your pattern will be passed unmodified to "
00228 "<em>grep(1)</em>. Otherwise, all characters that are not letters will be "
00229 "escaped using a backslash character to prevent grep from interpreting "
00230 "them as part of the expression.") );
00231 QWhatsThis::add(lbResult,
00232 i18n("The results of the grep run are listed here. Select a\n"
00233 "filename/line number combination and press Enter or doubleclick\n"
00234 "on the item to show the respective line in the editor."));
00235
00236
00237 cmbPattern->installEventFilter( this );
00238 leTemplate->installEventFilter( this );
00239 cmbPattern->installEventFilter( this );
00240 cmbFiles->installEventFilter( this );
00241 cmbDir->comboBox()->installEventFilter( this );
00242
00243 connect( cmbTemplate, SIGNAL(activated(int)),
00244 SLOT(templateActivated(int)) );
00245 connect( lbResult, SIGNAL(selected(const QString&)),
00246 SLOT(itemSelected(const QString&)) );
00247 connect( btnSearch, SIGNAL(clicked()),
00248 SLOT(slotSearch()) );
00249 connect( btnClear, SIGNAL(clicked()),
00250 SLOT(slotClear()) );
00251 connect( cmbPattern->lineEdit(), SIGNAL(textChanged ( const QString & )),
00252 SLOT( patternTextChanged( const QString & )));
00253
00254 patternTextChanged( cmbPattern->lineEdit()->text());
00255 }
00256
00257
00258 GrepTool::~GrepTool()
00259 {
00260 delete childproc;
00261 }
00262
00263 void GrepTool::patternTextChanged( const QString & _text)
00264 {
00265 btnSearch->setEnabled( !_text.isEmpty() );
00266 }
00267
00268 void GrepTool::templateActivated(int index)
00269 {
00270 leTemplate->setText(strTemplate[index]);
00271 }
00272
00273 void GrepTool::itemSelected(const QString& item)
00274 {
00275 int pos;
00276 QString filename, linenumber;
00277
00278 QString str = item;
00279 if ( (pos = str.find(':')) != -1)
00280 {
00281 filename = str.left(pos);
00282 str = str.mid(pos+1);
00283 if ( (pos = str.find(':')) != -1)
00284 {
00285 filename = m_workingDir + QDir::separator() + filename;
00286 linenumber = str.left(pos);
00287 emit itemSelected(filename,linenumber.toInt()-1);
00288 }
00289 }
00290 }
00291
00292 void GrepTool::processOutput()
00293 {
00294 int pos;
00295 while ( (pos = buf.find('\n')) != -1)
00296 {
00297 QString item = buf.mid(2,pos-2);
00298 if (!item.isEmpty())
00299 lbResult->insertItem(item);
00300 buf = buf.mid(pos+1);
00301 }
00302 kapp->processEvents();
00303 }
00304
00305 void GrepTool::slotSearch()
00306 {
00307 if ( cmbPattern->currentText().isEmpty() )
00308 {
00309 cmbPattern->setFocus();
00310 return;
00311 }
00312
00313 if ( cmbDir->url().isEmpty() || ! QDir(cmbDir->url()).exists() )
00314 {
00315 cmbDir->setFocus();
00316 return;
00317 }
00318
00319 if ( ! leTemplate->text().contains("%s") )
00320 {
00321 leTemplate->setFocus();
00322 return;
00323 }
00324
00325 if ( childproc && childproc->isRunning() )
00326 {
00327 childproc->kill();
00328 return;
00329 }
00330
00331 slotClear ();
00332
00333 m_workingDir = cmbDir->url();
00334
00335 QString s = cmbPattern->currentText();
00336 if ( ! cbRegex->isChecked() )
00337 s.replace( QRegExp( "([^\\w'])" ), "\\\\1" );
00338 QString pattern = leTemplate->text();
00339 pattern.replace( "%s", s );
00340
00341 childproc = new KProcess();
00342 childproc->setWorkingDirectory( m_workingDir );
00343 *childproc << "find" << ".";
00344 if (!cbRecursive->isChecked())
00345 *childproc << "-maxdepth" << "1";
00346 if (!cmbFiles->currentText().isEmpty() )
00347 {
00348 QStringList files = QStringList::split ( ",", cmbFiles->currentText(), FALSE );
00349 *childproc << "(" << "-false";
00350 for ( QStringList::Iterator it = files.begin(); it != files.end(); ++it )
00351 *childproc << "-o" << "-name" << (*it);
00352 *childproc << ")";
00353 }
00354 *childproc << "-exec" << "grep";
00355 if (!cbCasesensitive->isChecked())
00356 *childproc << "-i";
00357 *childproc << "-n" << "-e" << pattern << "{}";
00358 *childproc << "/dev/null";
00359 *childproc << ";";
00360
00361 connect( childproc, SIGNAL(processExited(KProcess *)),
00362 SLOT(childExited()) );
00363 connect( childproc, SIGNAL(receivedStdout(KProcess *, char *, int)),
00364 SLOT(receivedOutput(KProcess *, char *, int)) );
00365 connect( childproc, SIGNAL(receivedStderr(KProcess *, char *, int)),
00366 SLOT(receivedErrOutput(KProcess *, char *, int)) );
00367
00368
00369 lbResult->setCursor( QCursor(Qt::WaitCursor) );
00370 btnClear->setEnabled( false );
00371 btnSearch->setGuiItem( KGuiItem(i18n("Cancel"), "button_cancel"));
00372 childproc->start(KProcess::NotifyOnExit, KProcess::AllOutput);
00373 }
00374
00375 void GrepTool::slotSearchFor(const QString &pattern)
00376 {
00377 slotClear();
00378 cmbPattern->setEditText(pattern);
00379 slotSearch();
00380 }
00381
00382 void GrepTool::finish()
00383 {
00384 btnSearch->setEnabled( !cmbPattern->lineEdit()->text().isEmpty() );
00385
00386 buf += '\n';
00387 processOutput();
00388 delete childproc;
00389 childproc = 0;
00390
00391 config->setGroup("GrepTool");
00392
00393 if (lastSearchItems.contains(cmbPattern->currentText()) == 0)
00394 {
00395 cmbPattern->insertItem(cmbPattern->currentText(), 0);
00396 lastSearchItems.prepend(cmbPattern->currentText());
00397 if (lastSearchItems.count() > 10) {
00398 lastSearchItems.remove(lastSearchItems.fromLast());
00399 cmbPattern->removeItem(cmbPattern->count() - 1);
00400 }
00401 config->writeEntry("LastSearchItems", lastSearchItems);
00402 }
00403
00404 if (lastSearchPaths.contains(cmbDir->url()) == 0)
00405 {
00406 cmbDir->comboBox()->insertItem(cmbDir->url(), 0);
00407 lastSearchPaths.prepend(cmbDir->url());
00408 if (lastSearchPaths.count() > 10)
00409 {
00410 lastSearchPaths.remove(lastSearchPaths.fromLast());
00411 cmbDir->comboBox()->removeItem(cmbDir->comboBox()->count() - 1);
00412 }
00413 config->writeEntry("LastSearchPaths", lastSearchPaths);
00414 }
00415 config->writeEntry("Recursive", cbRecursive->isChecked());
00416 config->writeEntry("CaseSensitive", cbCasesensitive->isChecked());
00417 config->writeEntry( "Regex", cbRegex->isChecked() );
00418 }
00419
00420 void GrepTool::slotCancel()
00421 {
00422 finish();
00423 }
00424
00425 void GrepTool::childExited()
00426 {
00427
00428 lbResult->unsetCursor();
00429 btnClear->setEnabled( true );
00430 btnSearch->setGuiItem( KGuiItem(i18n("Find"), "find") );
00431
00432 if ( ! errbuf.isEmpty() )
00433 {
00434 KMessageBox::information( parentWidget(), i18n("<strong>Error:</strong><p>") + errbuf, i18n("Grep Tool Error") );
00435 errbuf.truncate(0);
00436 }
00437 else
00438 finish();
00439 }
00440
00441 void GrepTool::receivedOutput(KProcess *, char *buffer, int buflen)
00442 {
00443 buf += QCString(buffer, buflen+1);
00444 processOutput();
00445 }
00446
00447 void GrepTool::receivedErrOutput(KProcess *, char *buffer, int buflen)
00448 {
00449 errbuf += QCString( buffer, buflen + 1 );
00450 }
00451
00452 void GrepTool::slotClear()
00453 {
00454 finish();
00455 lbResult->clear();
00456 }
00457
00458 void GrepTool::updateDirName(const QString &dir)
00459 {
00460 if (m_lastUpdatedDir != dir)
00461 {
00462 setDirName (dir);
00463 m_lastUpdatedDir = dir;
00464 }
00465 }
00466
00467 void GrepTool::setDirName(const QString &dir){
00468 cmbDir->setURL(dir);
00469 }
00470
00471 bool GrepTool::eventFilter( QObject *o, QEvent *e )
00472 {
00473 if ( e->type() == QEvent::KeyPress && (
00474 ((QKeyEvent*)e)->key() == Qt::Key_Return ||
00475 ((QKeyEvent*)e)->key() == Qt::Key_Enter ) )
00476 {
00477 slotSearch();
00478 return true;
00479 }
00480
00481 return QWidget::eventFilter( o, e );
00482 }
00483
00484 #include "kategrepdialog.moc"
This file is part of the documentation for kate Library Version 3.3.0.