diff options
Diffstat (limited to 'kate/app/kategrepdialog.cpp')
| -rw-r--r-- | kate/app/kategrepdialog.cpp | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/kate/app/kategrepdialog.cpp b/kate/app/kategrepdialog.cpp new file mode 100644 index 000000000..8816862de --- /dev/null +++ b/kate/app/kategrepdialog.cpp @@ -0,0 +1,544 @@ +/* This file is part of the KDE project + Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org> + Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org> + Copyright (C) 2001, 2004 Anders Lund <anders.lund@lund.tdcadsl.dk> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "kategrepdialog.h" +#include "katemainwindow.h" + +#include <qobject.h> +#include <qlayout.h> +#include <qlabel.h> +#include <qcheckbox.h> +#include <qevent.h> +#include <qlistbox.h> +#include <qregexp.h> +#include <qwhatsthis.h> +#include <qcursor.h> + +#include <kapplication.h> +#include <kaccelmanager.h> +#include <kbuttonbox.h> +#include <kfiledialog.h> +#include <kprocess.h> +#include <kapplication.h> +#include <klocale.h> +#include <kiconloader.h> +#include <kmessagebox.h> +#include <kpushbutton.h> +#include <kurlrequester.h> +#include <kurlcompletion.h> +#include <kcombobox.h> +#include <klineedit.h> + +const char *template_desc[] = { + "normal", + "assignment", + "->MEMBER(", + "class::MEMBER(", + "OBJECT->member(", + 0 +}; + +const char *strTemplate[] = { + "%s", + "\\<%s\\>[\t ]*=[^=]", + "\\->[\\t ]*\\<%s\\>[\\t ]*(", + "[a-z0-9_$]\\+[\\t ]*::[\\t ]*\\<%s\\>[\\t ]*(", + "\\<%s\\>[\\t ]*\\->[\\t ]*[a-z0-9_$]\\+[\\t ]*(", + 0 +}; + + +GrepTool::GrepTool(QWidget *parent, const char *name) + : QWidget(parent, name/*, false*/), m_fixFocus(true), childproc(0) +{ + setCaption(i18n("Find in Files")); + config = KGlobal::config(); + config->setGroup("GrepTool"); + lastSearchItems = config->readListEntry("LastSearchItems"); + lastSearchPaths = config->readListEntry("LastSearchPaths"); + lastSearchFiles = config->readListEntry("LastSearchFiles"); + + if( lastSearchFiles.isEmpty() ) + { + // if there are no entries, most probably the first Kate start. + // Initialize with default values. + lastSearchFiles << "*.h,*.hxx,*.cpp,*.cc,*.C,*.cxx,*.idl,*.c" + << "*.cpp,*.cc,*.C,*.cxx,*.c" + << "*.h,*.hxx,*.idl" + << "*"; + } + + QGridLayout *layout = new QGridLayout(this, 6, 3, 4, 4); + layout->setColStretch(0, 10); + layout->addColSpacing(1, 10); + layout->setColStretch(1, 0); + layout->setColStretch(2, 1); + layout->setRowStretch(1, 0); + layout->setRowStretch(2, 10); + layout->setRowStretch(4, 0); + + QGridLayout *loInput = new QGridLayout(4, 2, 4); + layout->addLayout(loInput, 0, 0); + loInput->setColStretch(0, 0); + loInput->setColStretch(1, 20); + + QLabel *lPattern = new QLabel(i18n("Pattern:"), this); + lPattern->setFixedSize(lPattern->sizeHint()); + loInput->addWidget(lPattern, 0, 0, AlignRight | AlignVCenter); + + QBoxLayout *loPattern = new QHBoxLayout( 4 ); + loInput->addLayout( loPattern, 0, 1 ); + cmbPattern = new KComboBox(true, this); + cmbPattern->setDuplicatesEnabled(false); + cmbPattern->insertStringList(lastSearchItems); + cmbPattern->setEditText(QString::null); + cmbPattern->setInsertionPolicy(QComboBox::NoInsertion); + lPattern->setBuddy(cmbPattern); + cmbPattern->setFocus(); + cmbPattern->setMinimumSize(cmbPattern->sizeHint()); + loPattern->addWidget( cmbPattern ); + + cbCasesensitive = new QCheckBox(i18n("Case sensitive"), this); + cbCasesensitive->setMinimumWidth(cbCasesensitive->sizeHint().width()); + cbCasesensitive->setChecked(config->readBoolEntry("CaseSensitive", true)); + loPattern->addWidget(cbCasesensitive); + + cbRegex = new QCheckBox( i18n("Regular expression"), this ); + cbRegex->setMinimumWidth( cbRegex->sizeHint().width() ); + cbRegex->setChecked( config->readBoolEntry( "Regex", true ) ); + loPattern->addWidget( cbRegex ); + loPattern->setStretchFactor( cmbPattern, 100 ); + + QLabel *lTemplate = new QLabel(i18n("Template:"), this); + lTemplate->setFixedSize(lTemplate->sizeHint()); + loInput->addWidget(lTemplate, 1, 0, AlignRight | AlignVCenter); + + QBoxLayout *loTemplate = new QHBoxLayout(4); + loInput->addLayout(loTemplate, 1, 1); + + leTemplate = new KLineEdit(this); + lTemplate->setBuddy(leTemplate); + leTemplate->setText(strTemplate[0]); + leTemplate->setMinimumSize(leTemplate->sizeHint()); + loTemplate->addWidget(leTemplate); + + KComboBox *cmbTemplate = new KComboBox(false, this); + cmbTemplate->insertStrList(template_desc); + cmbTemplate->adjustSize(); + cmbTemplate->setFixedSize(cmbTemplate->size()); + loTemplate->addWidget(cmbTemplate); + + QLabel *lFiles = new QLabel(i18n("Files:"), this); + lFiles->setFixedSize(lFiles->sizeHint()); + loInput->addWidget(lFiles, 2, 0, AlignRight | AlignVCenter); + + cmbFiles = new KComboBox(true, this); + lFiles->setBuddy(cmbFiles->focusProxy()); + cmbFiles->setMinimumSize(cmbFiles->sizeHint()); + cmbFiles->setInsertionPolicy(QComboBox::NoInsertion); + cmbFiles->setDuplicatesEnabled(false); + cmbFiles->insertStringList(lastSearchFiles); + loInput->addWidget(cmbFiles, 2, 1); + + QLabel *lDir = new QLabel(i18n("Folder:"), this); + lDir->setFixedSize(lDir->sizeHint()); + loInput->addWidget(lDir, 3, 0, AlignRight | AlignVCenter); + + QBoxLayout *loDir = new QHBoxLayout(3); + loInput->addLayout(loDir, 3, 1); + + KComboBox* cmbUrl = new KComboBox(true, this); + cmbUrl->setMinimumWidth(80); // make sure that 800x600 res works + cmbUrl->setDuplicatesEnabled(false); + cmbUrl->setInsertionPolicy(QComboBox::NoInsertion); + cmbDir = new KURLRequester( cmbUrl, this, "dir combo" ); + cmbDir->completionObject()->setMode(KURLCompletion::DirCompletion); + cmbDir->comboBox()->insertStringList(lastSearchPaths); + cmbDir->setMode( KFile::Directory|KFile::LocalOnly ); + loDir->addWidget(cmbDir, 1); + lDir->setBuddy(cmbDir); + + cbRecursive = new QCheckBox(i18n("Recursive"), this); + cbRecursive->setMinimumWidth(cbRecursive->sizeHint().width()); + cbRecursive->setChecked(config->readBoolEntry("Recursive", true)); + loDir->addWidget(cbRecursive); + + KButtonBox *actionbox = new KButtonBox(this, Qt::Vertical); + layout->addWidget(actionbox, 0, 2); + actionbox->addStretch(); + btnSearch = static_cast<KPushButton*>(actionbox->addButton(KGuiItem(i18n("Find"),"find"))); + btnSearch->setDefault(true); + btnClear = static_cast<KPushButton*>(actionbox->addButton( KStdGuiItem::clear() )); + actionbox->addStretch(); + actionbox->layout(); + + lbResult = new QListBox(this); + QFontMetrics rb_fm(lbResult->fontMetrics()); + layout->addMultiCellWidget(lbResult, 2, 2, 0, 2); + + layout->activate(); + + KAcceleratorManager::manage( this ); + + QWhatsThis::add(lPattern, + i18n("<p>Enter the expression you want to search for here." + "<p>If 'regular expression' is unchecked, any non-space letters in your " + "expression will be escaped with a backslash character." + "<p>Possible meta characters are:<br>" + "<b>.</b> - Matches any character<br>" + "<b>^</b> - Matches the beginning of a line<br>" + "<b>$</b> - Matches the end of a line<br>" + "<b>\\<</b> - Matches the beginning of a word<br>" + "<b>\\></b> - Matches the end of a word" + "<p>The following repetition operators exist:<br>" + "<b>?</b> - The preceding item is matched at most once<br>" + "<b>*</b> - The preceding item is matched zero or more times<br>" + "<b>+</b> - The preceding item is matched one or more times<br>" + "<b>{<i>n</i>}</b> - The preceding item is matched exactly <i>n</i> times<br>" + "<b>{<i>n</i>,}</b> - The preceding item is matched <i>n</i> or more times<br>" + "<b>{,<i>n</i>}</b> - The preceding item is matched at most <i>n</i> times<br>" + "<b>{<i>n</i>,<i>m</i>}</b> - The preceding item is matched at least <i>n</i>, " + "but at most <i>m</i> times." + "<p>Furthermore, backreferences to bracketed subexpressions are available " + "via the notation <code>\\#</code>." + "<p>See the grep(1) documentation for the full documentation." + )); + QWhatsThis::add(lFiles, + i18n("Enter the file name pattern of the files to search here.\n" + "You may give several patterns separated by commas.")); + QWhatsThis::add(lTemplate, + i18n("You can choose a template for the pattern from the combo box\n" + "and edit it here. The string %s in the template is replaced\n" + "by the pattern input field, resulting in the regular expression\n" + "to search for.")); + QWhatsThis::add(lDir, + i18n("Enter the folder which contains the files in which you want to search.")); + QWhatsThis::add(cbRecursive, + i18n("Check this box to search in all subfolders.")); + QWhatsThis::add(cbCasesensitive, + i18n("If this option is enabled (the default), the search will be case sensitive.")); + QWhatsThis::add( cbRegex, i18n( + "<p>If this is enabled, your pattern will be passed unmodified to " + "<em>grep(1)</em>. Otherwise, all characters that are not letters will be " + "escaped using a backslash character to prevent grep from interpreting " + "them as part of the expression.") ); + QWhatsThis::add(lbResult, + i18n("The results of the grep run are listed here. Select a\n" + "filename/line number combination and press Enter or doubleclick\n" + "on the item to show the respective line in the editor.")); + + // event filter, do something relevant for RETURN + cmbPattern->installEventFilter( this ); + leTemplate->installEventFilter( this ); + cmbFiles->installEventFilter( this ); + cmbDir->comboBox()->installEventFilter( this ); + + connect( cmbTemplate, SIGNAL(activated(int)), + SLOT(templateActivated(int)) ); + connect( lbResult, SIGNAL(selected(const QString&)), + SLOT(itemSelected(const QString&)) ); + connect( btnSearch, SIGNAL(clicked()), + SLOT(slotSearch()) ); + connect( btnClear, SIGNAL(clicked()), + SLOT(slotClear()) ); + connect( cmbPattern->lineEdit(), SIGNAL(textChanged ( const QString & )), + SLOT( patternTextChanged( const QString & ))); + + patternTextChanged( cmbPattern->lineEdit()->text()); +} + + +GrepTool::~GrepTool() +{ + delete childproc; +} + +void GrepTool::patternTextChanged( const QString & _text) +{ + btnSearch->setEnabled( !_text.isEmpty() ); +} + +void GrepTool::templateActivated(int index) +{ + leTemplate->setText(strTemplate[index]); +} + +void GrepTool::itemSelected(const QString& item) +{ + int pos; + QString filename, linenumber; + + QString str = item; + if ( (pos = str.find(':')) != -1) + { + filename = str.left(pos); + str = str.mid(pos+1); + if ( (pos = str.find(':')) != -1) + { + filename = m_workingDir + QDir::separator() + filename; + linenumber = str.left(pos); + emit itemSelected(filename,linenumber.toInt()-1); + } + } +} + +void GrepTool::processOutput() +{ + int pos; + while ( (pos = buf.find('\n')) != -1) + { + QString item = buf.mid(2,pos-2); + if (!item.isEmpty()) + lbResult->insertItem(item); + buf = buf.mid(pos+1); + } + kapp->processEvents(); +} + +void GrepTool::slotSearch() +{ + if ( cmbPattern->currentText().isEmpty() ) + { + cmbPattern->setFocus(); + return; + } + + if ( cmbDir->url().isEmpty() || ! QDir(cmbDir->url()).exists() ) + { + cmbDir->setFocus(); + KMessageBox::information( this, i18n( + "You must enter an existing local folder in the 'Folder' entry."), + i18n("Invalid Folder"), "Kate grep tool: invalid folder" ); + return; + } + + if ( ! leTemplate->text().contains("%s") ) + { + leTemplate->setFocus(); + return; + } + + if ( childproc && childproc->isRunning() ) + { + childproc->kill(); + return; + } + + slotClear (); + + m_workingDir = cmbDir->url(); + + QString s = cmbPattern->currentText(); + if ( ! cbRegex->isChecked() ) + s.replace( QRegExp( "([^\\w'()<>])" ), "\\\\1" ); + QString pattern = leTemplate->text(); + pattern.replace( "%s", s ); + + childproc = new KProcess(); + childproc->setWorkingDirectory( m_workingDir ); + *childproc << "find" << "."; + if (!cbRecursive->isChecked()) + *childproc << "-maxdepth" << "1"; + if (!cmbFiles->currentText().isEmpty() ) + { + QStringList files = QStringList::split ( ",", cmbFiles->currentText(), FALSE ); + *childproc << "("; + bool first = true; + for ( QStringList::Iterator it = files.begin(); it != files.end(); ++it ) + { + if (!first) + *childproc << "-o"; + *childproc << "-name" << (*it); + first = false; + } + *childproc << ")"; + } + *childproc << "-exec" << "grep"; + if (!cbCasesensitive->isChecked()) + *childproc << "-i"; + *childproc << "-n" << "-e" << pattern << "{}"; + *childproc << "/dev/null"; //trick to have grep always display the filename + *childproc << ";"; + + connect( childproc, SIGNAL(processExited(KProcess *)), + SLOT(childExited()) ); + connect( childproc, SIGNAL(receivedStdout(KProcess *, char *, int)), + SLOT(receivedOutput(KProcess *, char *, int)) ); + connect( childproc, SIGNAL(receivedStderr(KProcess *, char *, int)), + SLOT(receivedErrOutput(KProcess *, char *, int)) ); + + // actually it should be checked whether the process was started successfully + lbResult->setCursor( QCursor(Qt::WaitCursor) ); + btnClear->setEnabled( false ); + btnSearch->setGuiItem( KGuiItem(i18n("Cancel"), "button_cancel")); + childproc->start(KProcess::NotifyOnExit, KProcess::AllOutput); +} + +void GrepTool::slotSearchFor(const QString &pattern) +{ + slotClear(); + cmbPattern->setEditText(pattern); + slotSearch(); +} + +void GrepTool::finish() +{ + btnSearch->setEnabled( !cmbPattern->lineEdit()->text().isEmpty() ); + + buf += '\n'; + processOutput(); + delete childproc; + childproc = 0; + + config->setGroup("GrepTool"); + + QString cmbText = cmbPattern->currentText(); + bool itemsRemoved = lastSearchItems.remove(cmbText) > 0; + lastSearchItems.prepend(cmbText); + if (itemsRemoved) + { + cmbPattern->removeItem(cmbPattern->currentItem()); + } + cmbPattern->insertItem(cmbText, 0); + cmbPattern->setCurrentItem(0); + if (lastSearchItems.count() > 10) { + lastSearchItems.pop_back(); + cmbPattern->removeItem(cmbPattern->count() - 1); + } + config->writeEntry("LastSearchItems", lastSearchItems); + + + cmbText = cmbDir->url(); + itemsRemoved = lastSearchPaths.remove(cmbText) > 0; + lastSearchPaths.prepend(cmbText); + if (itemsRemoved) + { + cmbDir->comboBox()->removeItem(cmbDir->comboBox()->currentItem()); + } + cmbDir->comboBox()->insertItem(cmbText, 0); + cmbDir->comboBox()->setCurrentItem(0); + if (lastSearchPaths.count() > 10) + { + lastSearchPaths.pop_back(); + cmbDir->comboBox()->removeItem(cmbDir->comboBox()->count() - 1); + } + config->writeEntry("LastSearchPaths", lastSearchPaths); + + + cmbText = cmbFiles->currentText(); + itemsRemoved = lastSearchFiles.remove(cmbText) > 0; + lastSearchFiles.prepend(cmbText); + if (itemsRemoved) + { + cmbFiles->removeItem(cmbFiles->currentItem()); + } + cmbFiles->insertItem(cmbText, 0); + cmbFiles->setCurrentItem(0); + if (lastSearchFiles.count() > 10) { + lastSearchFiles.pop_back(); + cmbFiles->removeItem(cmbFiles->count() - 1); + } + config->writeEntry("LastSearchFiles", lastSearchFiles); + + config->writeEntry("Recursive", cbRecursive->isChecked()); + config->writeEntry("CaseSensitive", cbCasesensitive->isChecked()); + config->writeEntry("Regex", cbRegex->isChecked()); +} + +void GrepTool::slotCancel() +{ + finish(); +} + +void GrepTool::childExited() +{ +// int status = childproc->exitStatus(); + lbResult->unsetCursor(); + btnClear->setEnabled( true ); + btnSearch->setGuiItem( KGuiItem(i18n("Find"), "find") ); + + if ( ! errbuf.isEmpty() ) + { + KMessageBox::information( parentWidget(), i18n("<strong>Error:</strong><p>") + errbuf, i18n("Grep Tool Error") ); + errbuf.truncate(0); + } + else + finish(); +} + +void GrepTool::receivedOutput(KProcess */*proc*/, char *buffer, int buflen) +{ + buf += QCString(buffer, buflen+1); + processOutput(); +} + +void GrepTool::receivedErrOutput(KProcess */*proc*/, char *buffer, int buflen) +{ + errbuf += QCString( buffer, buflen + 1 ); +} + +void GrepTool::slotClear() +{ + finish(); + lbResult->clear(); +} + +void GrepTool::updateDirName(const QString &dir) +{ + if (m_lastUpdatedDir != dir) + { + setDirName (dir); + m_lastUpdatedDir = dir; + } +} + +void GrepTool::setDirName(const QString &dir){ + cmbDir->setURL(dir); +} + +bool GrepTool::eventFilter( QObject *o, QEvent *e ) +{ + if ( e->type() == QEvent::KeyPress && ( + ((QKeyEvent*)e)->key() == Qt::Key_Return || + ((QKeyEvent*)e)->key() == Qt::Key_Enter ) ) + { + slotSearch(); + return true; + } + + return QWidget::eventFilter( o, e ); +} + +void GrepTool::focusInEvent ( QFocusEvent * ev ) +{ + QWidget::focusInEvent(ev); + if (m_fixFocus) { + m_fixFocus = false; + cmbPattern->setFocus(); + } +} + +void GrepTool::showEvent( QShowEvent * ev ) +{ + QWidget::showEvent(ev); + m_fixFocus = true; +} + +#include "kategrepdialog.moc" |