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00021 #include "kfinddialog.h"
00022 #include <qcheckbox.h>
00023 #include <qcursor.h>
00024 #include <qgroupbox.h>
00025 #include <qlabel.h>
00026 #include <qlayout.h>
00027 #include <qpopupmenu.h>
00028 #include <qpushbutton.h>
00029 #include <qregexp.h>
00030 #include <kcombobox.h>
00031 #include <kdebug.h>
00032 #include <klocale.h>
00033 #include <kmessagebox.h>
00034 #include <assert.h>
00035 #include <qwhatsthis.h>
00036
00037 #include <kregexpeditorinterface.h>
00038 #include <kparts/componentfactory.h>
00039
00040 class KFindDialog::KFindDialogPrivate
00041 {
00042 public:
00043 KFindDialogPrivate() : m_regexpDialog(0),
00044 m_regexpDialogQueryDone(false),
00045 m_enabled(WholeWordsOnly | FromCursor | SelectedText | CaseSensitive | FindBackwards | RegularExpression), m_initialShowDone(false) {}
00046 QDialog* m_regexpDialog;
00047 bool m_regexpDialogQueryDone;
00048 long m_enabled;
00049 bool m_initialShowDone;
00050 QStringList findStrings;
00051 QString pattern;
00052 };
00053
00054 KFindDialog::KFindDialog(QWidget *parent, const char *name, long options, const QStringList &findStrings, bool hasSelection) :
00055 KDialogBase(parent, name, true, i18n("Find Text"), Ok | Cancel, Ok),
00056 m_findExtension (0),
00057 m_replaceExtension (0)
00058 {
00059 d = new KFindDialogPrivate;
00060 init(false, findStrings, hasSelection);
00061 setOptions(options);
00062 setButtonCancel( KStdGuiItem::close() );
00063 }
00064
00065 KFindDialog::KFindDialog(bool modal, QWidget *parent, const char *name, long options, const QStringList &findStrings, bool hasSelection) :
00066 KDialogBase(parent, name, modal, i18n("Find Text"), Ok | Cancel, Ok),
00067 m_findExtension (0),
00068 m_replaceExtension (0)
00069 {
00070 d = new KFindDialogPrivate;
00071 init(false, findStrings, hasSelection);
00072 setOptions(options);
00073 setButtonCancel( KStdGuiItem::close() );
00074 }
00075
00076 KFindDialog::KFindDialog(QWidget *parent, const char *name, bool ) :
00077 KDialogBase(parent, name, true, i18n("Replace Text"), Ok | Cancel, Ok),
00078 m_findExtension (0),
00079 m_replaceExtension (0)
00080 {
00081 d = new KFindDialogPrivate;
00082 setButtonCancel( KStdGuiItem::close() );
00083 }
00084
00085 KFindDialog::~KFindDialog()
00086 {
00087 delete d;
00088 }
00089
00090 QWidget *KFindDialog::findExtension()
00091 {
00092 if (!m_findExtension)
00093 {
00094 m_findExtension = new QWidget(m_findGrp);
00095 m_findLayout->addMultiCellWidget(m_findExtension, 3, 3, 0, 1);
00096 }
00097
00098 return m_findExtension;
00099 }
00100
00101 QStringList KFindDialog::findHistory() const
00102 {
00103 return m_find->historyItems();
00104 }
00105
00106 void KFindDialog::init(bool forReplace, const QStringList &findStrings, bool hasSelection)
00107 {
00108 QVBoxLayout *topLayout;
00109 QGridLayout *optionsLayout;
00110
00111
00112 QWidget *page = new QWidget(this);
00113 setMainWidget(page);
00114
00115 topLayout = new QVBoxLayout(page);
00116 topLayout->setSpacing( KDialog::spacingHint() );
00117 topLayout->setMargin( 0 );
00118
00119 m_findGrp = new QGroupBox(0, Qt::Vertical, i18n("Find"), page);
00120 m_findGrp->layout()->setSpacing( KDialog::spacingHint() );
00121
00122 m_findLayout = new QGridLayout(m_findGrp->layout());
00123 m_findLayout->setSpacing( KDialog::spacingHint() );
00124
00125
00126 m_findLabel = new QLabel(i18n("&Text to find:"), m_findGrp);
00127 m_find = new KHistoryCombo(true, m_findGrp);
00128 m_find->setMaxCount(10);
00129 m_find->setDuplicatesEnabled(false);
00130 m_regExp = new QCheckBox(i18n("Regular e&xpression"), m_findGrp);
00131 m_regExpItem = new QPushButton(i18n("&Edit..."), m_findGrp);
00132 m_regExpItem->setEnabled(false);
00133
00134 m_findLayout->addWidget(m_findLabel, 0, 0);
00135 m_findLayout->addMultiCellWidget(m_find, 1, 1, 0, 1);
00136 m_findLayout->addWidget(m_regExp, 2, 0);
00137 m_findLayout->addWidget(m_regExpItem, 2, 1);
00138 topLayout->addWidget(m_findGrp);
00139
00140 m_replaceGrp = new QGroupBox(0, Qt::Vertical, i18n("Replace With"), page);
00141 m_replaceGrp->layout()->setSpacing( KDialog::spacingHint() );
00142
00143 m_replaceLayout = new QGridLayout(m_replaceGrp->layout());
00144 m_replaceLayout->setSpacing( KDialog::spacingHint() );
00145
00146
00147 m_replaceLabel = new QLabel(i18n("Replace&ment text:"), m_replaceGrp);
00148 m_replace = new KHistoryCombo(true, m_replaceGrp);
00149 m_replace->setMaxCount(10);
00150 m_replace->setDuplicatesEnabled(false);
00151 m_backRef = new QCheckBox(i18n("Use p&laceholders"), m_replaceGrp);
00152 m_backRefItem = new QPushButton(i18n("Insert Place&holder"), m_replaceGrp);
00153 m_backRefItem->setEnabled(false);
00154
00155 m_replaceLayout->addWidget(m_replaceLabel, 0, 0);
00156 m_replaceLayout->addMultiCellWidget(m_replace, 1, 1, 0, 1);
00157 m_replaceLayout->addWidget(m_backRef, 2, 0);
00158 m_replaceLayout->addWidget(m_backRefItem, 2, 1);
00159 topLayout->addWidget(m_replaceGrp);
00160
00161 m_optionGrp = new QGroupBox(0, Qt::Vertical, i18n("Options"), page);
00162 m_optionGrp->layout()->setSpacing(KDialog::spacingHint());
00163
00164 optionsLayout = new QGridLayout(m_optionGrp->layout());
00165 optionsLayout->setSpacing( KDialog::spacingHint() );
00166
00167
00168 m_caseSensitive = new QCheckBox(i18n("C&ase sensitive"), m_optionGrp);
00169 m_wholeWordsOnly = new QCheckBox(i18n("&Whole words only"), m_optionGrp);
00170 m_fromCursor = new QCheckBox(i18n("From c&ursor"), m_optionGrp);
00171 m_findBackwards = new QCheckBox(i18n("Find &backwards"), m_optionGrp);
00172 m_selectedText = new QCheckBox(i18n("&Selected text"), m_optionGrp);
00173 setHasSelection( hasSelection );
00174
00175
00176 m_selectedText->setChecked( hasSelection );
00177 slotSelectedTextToggled( hasSelection );
00178
00179 m_promptOnReplace = new QCheckBox(i18n("&Prompt on replace"), m_optionGrp);
00180 m_promptOnReplace->setChecked( true );
00181
00182 optionsLayout->addWidget(m_caseSensitive, 0, 0);
00183 optionsLayout->addWidget(m_wholeWordsOnly, 1, 0);
00184 optionsLayout->addWidget(m_fromCursor, 2, 0);
00185 optionsLayout->addWidget(m_findBackwards, 0, 1);
00186 optionsLayout->addWidget(m_selectedText, 1, 1);
00187 optionsLayout->addWidget(m_promptOnReplace, 2, 1);
00188 topLayout->addWidget(m_optionGrp);
00189
00190
00191 m_patterns = 0L;
00192 m_placeholders = 0L;
00193
00194
00195 connect(m_selectedText, SIGNAL(toggled(bool)), this, SLOT(slotSelectedTextToggled(bool)));
00196 connect(m_regExp, SIGNAL(toggled(bool)), m_regExpItem, SLOT(setEnabled(bool)));
00197 connect(m_backRef, SIGNAL(toggled(bool)), m_backRefItem, SLOT(setEnabled(bool)));
00198 connect(m_regExpItem, SIGNAL(clicked()), this, SLOT(showPatterns()));
00199 connect(m_backRefItem, SIGNAL(clicked()), this, SLOT(showPlaceholders()));
00200
00201 connect(m_find, SIGNAL(textChanged ( const QString & )),this, SLOT(textSearchChanged( const QString & )));
00202
00203
00204 setTabOrder(m_find, m_regExp);
00205 setTabOrder(m_regExp, m_regExpItem);
00206 setTabOrder(m_regExpItem, m_replace);
00207 setTabOrder(m_replace, m_backRef);
00208 setTabOrder(m_backRef, m_backRefItem);
00209 setTabOrder(m_backRefItem, m_caseSensitive);
00210 setTabOrder(m_caseSensitive, m_wholeWordsOnly);
00211 setTabOrder(m_wholeWordsOnly, m_fromCursor);
00212 setTabOrder(m_fromCursor, m_findBackwards);
00213 setTabOrder(m_findBackwards, m_selectedText);
00214 setTabOrder(m_selectedText, m_promptOnReplace);
00215
00216
00217 m_findLabel->setBuddy(m_find);
00218 m_replaceLabel->setBuddy(m_replace);
00219
00220 if (!forReplace)
00221 {
00222 m_promptOnReplace->hide();
00223 m_replaceGrp->hide();
00224 }
00225
00226 d->findStrings = findStrings;
00227 m_find->setFocus();
00228 enableButtonOK( !pattern().isEmpty() );
00229 if (forReplace)
00230 {
00231 setButtonOK(KGuiItem( i18n("&Replace"), QString::null,
00232 i18n("Start replace"),
00233 i18n("<qt>If you press the <b>Replace</b> button, the text you entered "
00234 "above is searched for within the document and any occurrence is "
00235 "replaced with the replacement text.</qt>")));
00236 }
00237 else
00238 {
00239 setButtonOK(KGuiItem( i18n("&Find"), "find",
00240 i18n("Start searching"),
00241 i18n("<qt>If you press the <b>Find</b> button, the text you entered "
00242 "above is searched for within the document.</qt>")));
00243 }
00244
00245
00246 QWhatsThis::add ( m_find, i18n(
00247 "Enter a pattern to search for, or select a previous pattern from "
00248 "the list.") );
00249 QWhatsThis::add ( m_regExp, i18n(
00250 "If enabled, search for a regular expression.") );
00251 QWhatsThis::add ( m_regExpItem, i18n(
00252 "Click here to edit your regular expression using a graphical editor.") );
00253 QWhatsThis::add ( m_replace, i18n(
00254 "Enter a replacement string, or select a previous one from the list.") );
00255 QWhatsThis::add( m_backRef, i18n(
00256 "<qt>If enabled, any occurrence of <code><b>\\N</b></code>, where "
00257 "<code><b>N</b></code> is a integer number, will be replaced with "
00258 "the corresponding capture (\"parenthesized substring\") from the "
00259 "pattern.<p>To include (a literal <code><b>\\N</b></code> in your "
00260 "replacement, put an extra backslash in front of it, like "
00261 "<code><b>\\\\N</b></code>.</qt>") );
00262 QWhatsThis::add ( m_backRefItem, i18n(
00263 "Click for a menu of available captures.") );
00264 QWhatsThis::add ( m_wholeWordsOnly, i18n(
00265 "Require word boundaries in both ends of a match to succeed.") );
00266 QWhatsThis::add ( m_fromCursor, i18n(
00267 "Start searching at the current cursor location rather than at the top.") );
00268 QWhatsThis::add ( m_selectedText, i18n(
00269 "Only search within the current selection.") );
00270 QWhatsThis::add ( m_caseSensitive, i18n(
00271 "Perform a case sensitive search: entering the pattern "
00272 "'Joe' will not match 'joe' or 'JOE', only 'Joe'.") );
00273 QWhatsThis::add ( m_findBackwards, i18n(
00274 "Search backwards.") );
00275 QWhatsThis::add ( m_promptOnReplace, i18n(
00276 "Ask before replacing each match found.") );
00277 }
00278
00279 void KFindDialog::textSearchChanged( const QString & text)
00280 {
00281 enableButtonOK( !text.isEmpty() );
00282 }
00283
00284 void KFindDialog::showEvent( QShowEvent *e )
00285 {
00286 if ( !d->m_initialShowDone )
00287 {
00288 d->m_initialShowDone = true;
00289 kdDebug() << "showEvent\n";
00290 if (!d->findStrings.isEmpty())
00291 setFindHistory(d->findStrings);
00292 d->findStrings = QStringList();
00293 if (!d->pattern.isEmpty()) {
00294 m_find->lineEdit()->setText( d->pattern );
00295 m_find->lineEdit()->selectAll();
00296 d->pattern = QString::null;
00297 }
00298 }
00299 KDialogBase::showEvent(e);
00300 }
00301
00302 long KFindDialog::options() const
00303 {
00304 long options = 0;
00305
00306 if (m_caseSensitive->isChecked())
00307 options |= CaseSensitive;
00308 if (m_wholeWordsOnly->isChecked())
00309 options |= WholeWordsOnly;
00310 if (m_fromCursor->isChecked())
00311 options |= FromCursor;
00312 if (m_findBackwards->isChecked())
00313 options |= FindBackwards;
00314 if (m_selectedText->isChecked())
00315 options |= SelectedText;
00316 if (m_regExp->isChecked())
00317 options |= RegularExpression;
00318 return options;
00319 }
00320
00321 QString KFindDialog::pattern() const
00322 {
00323 return m_find->currentText();
00324 }
00325
00326 void KFindDialog::setPattern (const QString &pattern)
00327 {
00328 m_find->lineEdit()->setText( pattern );
00329 m_find->lineEdit()->selectAll();
00330 d->pattern = pattern;
00331 kdDebug() << "setPattern " << pattern<<endl;
00332 }
00333
00334 void KFindDialog::setFindHistory(const QStringList &strings)
00335 {
00336 if (strings.count() > 0)
00337 {
00338 m_find->setHistoryItems(strings, true);
00339 m_find->lineEdit()->setText( strings.first() );
00340 m_find->lineEdit()->selectAll();
00341 }
00342 else
00343 m_find->clearHistory();
00344 }
00345
00346 void KFindDialog::setHasSelection(bool hasSelection)
00347 {
00348 if (hasSelection) d->m_enabled |= SelectedText;
00349 else d->m_enabled &= ~SelectedText;
00350 m_selectedText->setEnabled( hasSelection );
00351 if ( !hasSelection )
00352 {
00353 m_selectedText->setChecked( false );
00354 slotSelectedTextToggled( hasSelection );
00355 }
00356 }
00357
00358 void KFindDialog::slotSelectedTextToggled(bool selec)
00359 {
00360
00361 m_fromCursor->setEnabled( !selec && (d->m_enabled & FromCursor) );
00362 if ( selec )
00363 m_fromCursor->setChecked( false );
00364 }
00365
00366 void KFindDialog::setHasCursor(bool hasCursor)
00367 {
00368 if (hasCursor) d->m_enabled |= FromCursor;
00369 else d->m_enabled &= ~FromCursor;
00370 m_fromCursor->setEnabled( hasCursor );
00371 m_fromCursor->setChecked( hasCursor && (options() & FromCursor) );
00372 }
00373
00374 void KFindDialog::setSupportsBackwardsFind( bool supports )
00375 {
00376
00377 if (supports) d->m_enabled |= FindBackwards;
00378 else d->m_enabled &= ~FindBackwards;
00379 m_findBackwards->setEnabled( supports );
00380 m_findBackwards->setChecked( supports && (options() & FindBackwards) );
00381 }
00382
00383 void KFindDialog::setSupportsCaseSensitiveFind( bool supports )
00384 {
00385
00386 if (supports) d->m_enabled |= CaseSensitive;
00387 else d->m_enabled &= ~CaseSensitive;
00388 m_caseSensitive->setEnabled( supports );
00389 m_caseSensitive->setChecked( supports && (options() & CaseSensitive) );
00390 }
00391
00392 void KFindDialog::setSupportsWholeWordsFind( bool supports )
00393 {
00394
00395 if (supports) d->m_enabled |= WholeWordsOnly;
00396 else d->m_enabled &= ~WholeWordsOnly;
00397 m_wholeWordsOnly->setEnabled( supports );
00398 m_wholeWordsOnly->setChecked( supports && (options() & WholeWordsOnly) );
00399 }
00400
00401 void KFindDialog::setSupportsRegularExpressionFind( bool supports )
00402 {
00403
00404 if (supports) d->m_enabled |= RegularExpression;
00405 else d->m_enabled &= ~RegularExpression;
00406 m_regExp->setEnabled( supports );
00407 m_regExp->setChecked( supports && (options() & RegularExpression) );
00408 }
00409
00410 void KFindDialog::setOptions(long options)
00411 {
00412 m_caseSensitive->setChecked((d->m_enabled & CaseSensitive) && (options & CaseSensitive));
00413 m_wholeWordsOnly->setChecked((d->m_enabled & WholeWordsOnly) && (options & WholeWordsOnly));
00414 m_fromCursor->setChecked((d->m_enabled & FromCursor) && (options & FromCursor));
00415 m_findBackwards->setChecked((d->m_enabled & FindBackwards) && (options & FindBackwards));
00416 m_selectedText->setChecked((d->m_enabled & SelectedText) && (options & SelectedText));
00417 m_regExp->setChecked((d->m_enabled & RegularExpression) && (options & RegularExpression));
00418 }
00419
00420
00421
00422 void KFindDialog::showPatterns()
00423 {
00424 if ( !d->m_regexpDialogQueryDone )
00425 {
00426 d->m_regexpDialog = KParts::ComponentFactory::createInstanceFromQuery<QDialog>( "KRegExpEditor/KRegExpEditor", QString::null, this );
00427 d->m_regexpDialogQueryDone = true;
00428 }
00429
00430 if ( d->m_regexpDialog )
00431 {
00432 KRegExpEditorInterface *iface = static_cast<KRegExpEditorInterface *>( d->m_regexpDialog->qt_cast( "KRegExpEditorInterface" ) );
00433 assert( iface );
00434
00435 iface->setRegExp( pattern() );
00436 if ( d->m_regexpDialog->exec() == QDialog::Accepted )
00437 setPattern( iface->regExp() );
00438 }
00439 else
00440 {
00441 typedef struct
00442 {
00443 const char *description;
00444 const char *regExp;
00445 int cursorAdjustment;
00446 } term;
00447 static const term items[] =
00448 {
00449 { I18N_NOOP("Any Character"), ".", 0 },
00450 { I18N_NOOP("Start of Line"), "^", 0 },
00451 { I18N_NOOP("End of Line"), "$", 0 },
00452 { I18N_NOOP("Set of Characters"), "[]", -1 },
00453 { I18N_NOOP("Repeats, Zero or More Times"), "*", 0 },
00454 { I18N_NOOP("Repeats, One or More Times"), "+", 0 },
00455 { I18N_NOOP("Optional"), "?", 0 },
00456 { I18N_NOOP("Escape"), "\\", 0 },
00457 { I18N_NOOP("TAB"), "\\t", 0 },
00458 { I18N_NOOP("Newline"), "\\n", 0 },
00459 { I18N_NOOP("Carriage Return"), "\\r", 0 },
00460 { I18N_NOOP("White Space"), "\\s", 0 },
00461 { I18N_NOOP("Digit"), "\\d", 0 },
00462 };
00463 int i;
00464
00465
00466 if (!m_patterns)
00467 {
00468 m_patterns = new QPopupMenu(this);
00469 for (i = 0; (unsigned)i < sizeof(items) / sizeof(items[0]); i++)
00470 {
00471 m_patterns->insertItem(i18n(items[i].description), i, i);
00472 }
00473 }
00474
00475
00476 i = m_patterns->exec(m_regExpItem->mapToGlobal(m_regExpItem->rect().bottomLeft()));
00477 if (i != -1)
00478 {
00479 QLineEdit *editor = m_find->lineEdit();
00480
00481 editor->insert(items[i].regExp);
00482 editor->setCursorPosition(editor->cursorPosition() + items[i].cursorAdjustment);
00483 }
00484 }
00485 }
00486
00487
00488
00489 void KFindDialog::showPlaceholders()
00490 {
00491
00492 if (!m_placeholders)
00493 {
00494 m_placeholders = new QPopupMenu(this);
00495 connect( m_placeholders, SIGNAL(aboutToShow()), this, SLOT(slotPlaceholdersAboutToShow()) );
00496 }
00497
00498
00499 int i = m_placeholders->exec(m_backRefItem->mapToGlobal(m_backRefItem->rect().bottomLeft()));
00500 if (i != -1)
00501 {
00502 QLineEdit *editor = m_replace->lineEdit();
00503 editor->insert( QString("\\%1").arg( i ) );
00504 }
00505 }
00506
00507 void KFindDialog::slotPlaceholdersAboutToShow()
00508 {
00509 m_placeholders->clear();
00510 m_placeholders->insertItem( i18n("Complete Match"), 0 );
00511
00512 QRegExp r( pattern() );
00513 uint n = r.numCaptures();
00514 for ( uint i=0; i < n; i++ )
00515 m_placeholders->insertItem( i18n("Captured Text (%1)").arg( i+1 ), i+1 );
00516 }
00517
00518 void KFindDialog::slotOk()
00519 {
00520
00521 if (pattern().isEmpty())
00522 {
00523 KMessageBox::error(this, i18n("You must enter some text to search for."));
00524 return;
00525 }
00526
00527 if (m_regExp->isChecked())
00528 {
00529
00530 QRegExp regExp(pattern());
00531
00532 if (!regExp.isValid())
00533 {
00534 KMessageBox::error(this, i18n("Invalid regular expression."));
00535 return;
00536 }
00537 }
00538 m_find->addToHistory(pattern());
00539 emit okClicked();
00540 if ( testWFlags( WShowModal ) )
00541 accept();
00542 }
00543
00544 #include "kfinddialog.moc"
KDE 3.5 API Reference 