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tdebase/kate/app/kategrepdialog.cpp

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18 KiB

/* 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 <tqobject.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqevent.h>
#include <tqlistbox.h>
#include <tqregexp.h>
#include <tqwhatsthis.h>
#include <tqcursor.h>
#include <tdeapplication.h>
#include <tdeaccelmanager.h>
#include <kbuttonbox.h>
#include <tdefiledialog.h>
#include <kprocess.h>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <tdemessagebox.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(TQWidget *parent, const char *name)
: TQWidget(parent, name/*, false*/), m_fixFocus(true), childproc(0)
{
setCaption(i18n("Find in Files"));
config = TDEGlobal::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"
<< "*";
}
TQGridLayout *layout = new TQGridLayout(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);
TQGridLayout *loInput = new TQGridLayout(4, 2, 4);
layout->addLayout(loInput, 0, 0);
loInput->setColStretch(0, 0);
loInput->setColStretch(1, 20);
TQLabel *lPattern = new TQLabel(i18n("Pattern:"), this);
lPattern->setFixedSize(lPattern->sizeHint());
loInput->addWidget(lPattern, 0, 0, Qt::AlignRight | Qt::AlignVCenter);
TQBoxLayout *loPattern = new TQHBoxLayout( 4 );
loInput->addLayout( loPattern, 0, 1 );
cmbPattern = new KComboBox(true, this);
cmbPattern->setDuplicatesEnabled(false);
cmbPattern->insertStringList(lastSearchItems);
cmbPattern->setEditText(TQString::null);
cmbPattern->setInsertionPolicy(TQComboBox::NoInsertion);
lPattern->setBuddy(cmbPattern);
cmbPattern->setFocus();
cmbPattern->setMinimumSize(cmbPattern->sizeHint());
loPattern->addWidget( cmbPattern );
cbCasesensitive = new TQCheckBox(i18n("Case sensitive"), this);
cbCasesensitive->setMinimumWidth(cbCasesensitive->sizeHint().width());
cbCasesensitive->setChecked(config->readBoolEntry("CaseSensitive", true));
loPattern->addWidget(cbCasesensitive);
cbRegex = new TQCheckBox( i18n("Regular expression"), this );
cbRegex->setMinimumWidth( cbRegex->sizeHint().width() );
cbRegex->setChecked( config->readBoolEntry( "Regex", true ) );
loPattern->addWidget( cbRegex );
loPattern->setStretchFactor( cmbPattern, 100 );
TQLabel *lTemplate = new TQLabel(i18n("Template:"), this);
lTemplate->setFixedSize(lTemplate->sizeHint());
loInput->addWidget(lTemplate, 1, 0, Qt::AlignRight | Qt::AlignVCenter);
TQBoxLayout *loTemplate = new TQHBoxLayout(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);
TQLabel *lFiles = new TQLabel(i18n("Files:"), this);
lFiles->setFixedSize(lFiles->sizeHint());
loInput->addWidget(lFiles, 2, 0, Qt::AlignRight | Qt::AlignVCenter);
TQBoxLayout *loFiles = new TQHBoxLayout( 2 );
loInput->addLayout( loFiles, 2, 1 );
cmbFiles = new KComboBox(true, this);
lFiles->setBuddy(TQT_TQWIDGET(cmbFiles->focusProxy()));
cmbFiles->setMinimumSize(cmbFiles->sizeHint());
cmbFiles->setInsertionPolicy(TQComboBox::NoInsertion);
cmbFiles->setDuplicatesEnabled(false);
cmbFiles->insertStringList(lastSearchFiles);
loFiles->addWidget(cmbFiles);
cbHideErrors = new TQCheckBox( i18n("Hide errors"), this );
cbHideErrors->setMinimumWidth( cbHideErrors->sizeHint().width() );
cbHideErrors->setChecked( config->readBoolEntry( "HideErrors", false ) );
loFiles->addWidget(cbHideErrors);
loFiles->setStretchFactor(cmbFiles, 100);
TQLabel *lDir = new TQLabel(i18n("Folder:"), this);
lDir->setFixedSize(lDir->sizeHint());
loInput->addWidget(lDir, 3, 0, Qt::AlignRight | Qt::AlignVCenter);
TQBoxLayout *loDir = new TQHBoxLayout(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(TQComboBox::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 TQCheckBox(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"),"edit-find")));
btnSearch->setDefault(true);
btnClear = static_cast<KPushButton*>(actionbox->addButton( KStdGuiItem::clear() ));
actionbox->addStretch();
actionbox->layout();
lbResult = new TQListBox(this);
TQFontMetrics rb_fm(lbResult->fontMetrics());
layout->addMultiCellWidget(lbResult, 2, 2, 0, 2);
layout->activate();
TDEAcceleratorManager::manage( this );
TQWhatsThis::add(lPattern,
i18n("<p>Enter the expression you want to search for here."
"<p>If 'regular expression' is unchecked, all characters that are not "
"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>\\&lt;</b> - Matches the beginning of a word<br>"
"<b>\\&gt;</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."
));
TQWhatsThis::add(lFiles,
i18n("Enter the file name pattern of the files to search here.\n"
"You may give several patterns separated by commas."));
TQWhatsThis::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."));
TQWhatsThis::add(lDir,
i18n("Enter the folder which contains the files in which you want to search."));
TQWhatsThis::add(cbRecursive,
i18n("Check this box to search in all subfolders."));
TQWhatsThis::add(cbCasesensitive,
i18n("If this option is enabled (the default), the search will be case sensitive."));
TQWhatsThis::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.") );
TQWhatsThis::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."));
TQWhatsThis::add( cbHideErrors, i18n(
"<p>If this is checked, the dialog window showing the search errors "
"will not be displayed at the end of the search.") );
// event filter, do something relevant for RETURN
cmbPattern->installEventFilter( this );
leTemplate->installEventFilter( this );
cmbFiles->installEventFilter( this );
cmbDir->comboBox()->installEventFilter( this );
connect( cmbTemplate, TQT_SIGNAL(activated(int)),
TQT_SLOT(templateActivated(int)) );
connect( lbResult, TQT_SIGNAL(selected(const TQString&)),
TQT_SLOT(itemSelected(const TQString&)) );
connect( btnSearch, TQT_SIGNAL(clicked()),
TQT_SLOT(slotSearch()) );
connect( btnClear, TQT_SIGNAL(clicked()),
TQT_SLOT(slotClear()) );
connect( cmbPattern->lineEdit(), TQT_SIGNAL(textChanged ( const TQString & )),
TQT_SLOT( patternTextChanged( const TQString & )));
patternTextChanged( cmbPattern->lineEdit()->text());
}
GrepTool::~GrepTool()
{
delete childproc;
}
void GrepTool::patternTextChanged( const TQString & _text)
{
btnSearch->setEnabled( !_text.isEmpty() );
}
void GrepTool::templateActivated(int index)
{
leTemplate->setText(strTemplate[index]);
}
void GrepTool::itemSelected(const TQString& item)
{
int pos;
TQString filename, linenumber;
TQString str = item;
if ( (pos = str.find(':')) != -1)
{
filename = str.left(pos);
str = str.mid(pos+1);
if ( (pos = str.find(':')) != -1)
{
filename = m_workingDir + TQDir::separator() + filename;
linenumber = str.left(pos);
emit itemSelected(filename,linenumber.toInt()-1);
}
}
}
void GrepTool::processOutput()
{
int pos;
while ( (pos = buf.find('\n')) != -1)
{
TQString 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() || ! TQDir(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();
TQString s = cmbPattern->currentText();
if ( ! cbRegex->isChecked() )
s.replace( TQRegExp( "([^\\w'()<>])" ), "\\\\1" );
TQString pattern = leTemplate->text();
pattern.replace( "%s", s );
childproc = new TDEProcess();
childproc->setWorkingDirectory( m_workingDir );
*childproc << "find" << ".";
if (!cbRecursive->isChecked())
*childproc << "-maxdepth" << "1";
if (!cmbFiles->currentText().isEmpty() )
{
TQStringList files = TQStringList::split ( ",", cmbFiles->currentText(), FALSE );
*childproc << "(";
bool first = true;
for ( TQStringList::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, TQT_SIGNAL(processExited(TDEProcess *)),
TQT_SLOT(childExited()) );
connect( childproc, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int)),
TQT_SLOT(receivedOutput(TDEProcess *, char *, int)) );
connect( childproc, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int)),
TQT_SLOT(receivedErrOutput(TDEProcess *, char *, int)) );
// actually it should be checked whether the process was started successfully
lbResult->setCursor( TQCursor(Qt::WaitCursor) );
btnClear->setEnabled( false );
btnSearch->setGuiItem( KGuiItem(i18n("Cancel"), "button_cancel"));
childproc->start(TDEProcess::NotifyOnExit, TDEProcess::AllOutput);
}
void GrepTool::slotSearchFor(const TQString &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");
TQString 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());
config->writeEntry("HideErrors", cbHideErrors->isChecked());
}
void GrepTool::slotCancel()
{
finish();
}
void GrepTool::childExited()
{
// int status = childproc->exitStatus();
lbResult->unsetCursor();
btnClear->setEnabled( true );
btnSearch->setGuiItem( KGuiItem(i18n("Find"), "edit-find") );
if ( !errbuf.isEmpty())
{
if (!cbHideErrors->isChecked())
{
KMessageBox::information( parentWidget(), i18n("<strong>Error:</strong><p>") + errbuf, i18n("Grep Tool Error") );
}
errbuf.truncate(0);
}
else
finish();
}
void GrepTool::receivedOutput(TDEProcess */*proc*/, char *buffer, int buflen)
{
buf += TQCString(buffer, buflen+1);
processOutput();
}
void GrepTool::receivedErrOutput(TDEProcess */*proc*/, char *buffer, int buflen)
{
errbuf += TQCString( buffer, buflen + 1 );
}
void GrepTool::slotClear()
{
finish();
lbResult->clear();
}
void GrepTool::updateDirName(const TQString &dir)
{
if (m_lastUpdatedDir != dir)
{
setDirName (dir);
m_lastUpdatedDir = dir;
}
}
void GrepTool::setDirName(const TQString &dir){
cmbDir->setURL(dir);
}
bool GrepTool::eventFilter( TQObject *o, TQEvent *e )
{
if ( e->type() == TQEvent::KeyPress && (
((TQKeyEvent*)e)->key() == Qt::Key_Return ||
((TQKeyEvent*)e)->key() == Qt::Key_Enter ) )
{
slotSearch();
return true;
}
return TQWidget::eventFilter( o, e );
}
void GrepTool::focusInEvent ( TQFocusEvent * ev )
{
TQWidget::focusInEvent(ev);
if (m_fixFocus) {
m_fixFocus = false;
cmbPattern->setFocus();
}
}
void GrepTool::showEvent( TQShowEvent * ev )
{
TQWidget::showEvent(ev);
m_fixFocus = true;
}
#include "kategrepdialog.moc"