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00028 #include <qclipboard.h>
00029 #include <qtimer.h>
00030
00031 #include <kconfig.h>
00032 #include <qtooltip.h>
00033 #include <kcursor.h>
00034 #include <klocale.h>
00035 #include <kstdaccel.h>
00036 #include <kpopupmenu.h>
00037 #include <kdebug.h>
00038 #include <kcompletionbox.h>
00039 #include <kurl.h>
00040 #include <kurldrag.h>
00041 #include <kiconloader.h>
00042 #include <kapplication.h>
00043
00044 #include "klineedit.h"
00045 #include "klineedit.moc"
00046
00047
00048 class KLineEdit::KLineEditPrivate
00049 {
00050 public:
00051 KLineEditPrivate()
00052 {
00053 completionBox = 0L;
00054 handleURLDrops = true;
00055 grabReturnKeyEvents = false;
00056
00057 userSelection = true;
00058 autoSuggest = false;
00059 disableRestoreSelection = false;
00060 enableSqueezedText = false;
00061
00062 if ( !initialized )
00063 {
00064 KConfigGroup config( KGlobal::config(), "General" );
00065 backspacePerformsCompletion = config.readBoolEntry( "Backspace performs completion", false );
00066
00067 initialized = true;
00068 }
00069
00070 }
00071
00072 ~KLineEditPrivate()
00073 {
00074
00075
00076 }
00077
00078 static bool initialized;
00079 static bool backspacePerformsCompletion;
00080
00081 QColor previousHighlightColor;
00082 QColor previousHighlightedTextColor;
00083
00084 bool userSelection: 1;
00085 bool autoSuggest : 1;
00086 bool disableRestoreSelection: 1;
00087 bool handleURLDrops:1;
00088 bool grabReturnKeyEvents:1;
00089 bool enableSqueezedText:1;
00090
00091 int squeezedEnd;
00092 int squeezedStart;
00093 BackgroundMode bgMode;
00094 QString squeezedText;
00095 KCompletionBox *completionBox;
00096 };
00097
00098 bool KLineEdit::KLineEditPrivate::backspacePerformsCompletion = false;
00099 bool KLineEdit::KLineEditPrivate::initialized = false;
00100
00101
00102 KLineEdit::KLineEdit( const QString &string, QWidget *parent, const char *name )
00103 :QLineEdit( string, parent, name )
00104 {
00105 init();
00106 }
00107
00108 KLineEdit::KLineEdit( QWidget *parent, const char *name )
00109 :QLineEdit( parent, name )
00110 {
00111 init();
00112 }
00113
00114 KLineEdit::~KLineEdit ()
00115 {
00116 delete d;
00117 d = 0;
00118 }
00119
00120 void KLineEdit::init()
00121 {
00122 d = new KLineEditPrivate;
00123 possibleTripleClick = false;
00124 d->bgMode = backgroundMode ();
00125
00126
00127 KLineEdit::setContextMenuEnabled( true );
00128 KCursor::setAutoHideCursor( this, true, true );
00129 installEventFilter( this );
00130
00131 KGlobalSettings::Completion mode = completionMode();
00132 d->autoSuggest = (mode == KGlobalSettings::CompletionMan ||
00133 mode == KGlobalSettings::CompletionPopupAuto ||
00134 mode == KGlobalSettings::CompletionAuto);
00135 connect( this, SIGNAL(selectionChanged()), this, SLOT(slotRestoreSelectionColors()));
00136
00137 QPalette p = palette();
00138 if ( !d->previousHighlightedTextColor.isValid() )
00139 d->previousHighlightedTextColor=p.color(QPalette::Normal,QColorGroup::HighlightedText);
00140 if ( !d->previousHighlightColor.isValid() )
00141 d->previousHighlightColor=p.color(QPalette::Normal,QColorGroup::Highlight);
00142 }
00143
00144 void KLineEdit::setCompletionMode( KGlobalSettings::Completion mode )
00145 {
00146 KGlobalSettings::Completion oldMode = completionMode();
00147
00148 if ( oldMode != mode && (oldMode == KGlobalSettings::CompletionPopup ||
00149 oldMode == KGlobalSettings::CompletionPopupAuto ) &&
00150 d->completionBox && d->completionBox->isVisible() )
00151 d->completionBox->hide();
00152
00153
00154
00155 if ( echoMode() != QLineEdit::Normal )
00156 mode = KGlobalSettings::CompletionNone;
00157
00158 if ( kapp && !kapp->authorize("lineedit_text_completion") )
00159 mode = KGlobalSettings::CompletionNone;
00160
00161 if ( mode == KGlobalSettings::CompletionPopupAuto ||
00162 mode == KGlobalSettings::CompletionAuto ||
00163 mode == KGlobalSettings::CompletionMan )
00164 d->autoSuggest = true;
00165 else
00166 d->autoSuggest = false;
00167
00168 KCompletionBase::setCompletionMode( mode );
00169 }
00170
00171 void KLineEdit::setCompletedText( const QString& t, bool marked )
00172 {
00173 if ( !d->autoSuggest )
00174 return;
00175
00176 QString txt = text();
00177
00178 if ( t != txt )
00179 {
00180 int start = marked ? txt.length() : t.length();
00181 validateAndSet( t, cursorPosition(), start, t.length() );
00182 setUserSelection(false);
00183 }
00184 else
00185 setUserSelection(true);
00186
00187 }
00188
00189 void KLineEdit::setCompletedText( const QString& text )
00190 {
00191 KGlobalSettings::Completion mode = completionMode();
00192 bool marked = ( mode == KGlobalSettings::CompletionAuto ||
00193 mode == KGlobalSettings::CompletionMan ||
00194 mode == KGlobalSettings::CompletionPopup ||
00195 mode == KGlobalSettings::CompletionPopupAuto );
00196 setCompletedText( text, marked );
00197 }
00198
00199 void KLineEdit::rotateText( KCompletionBase::KeyBindingType type )
00200 {
00201 KCompletion* comp = compObj();
00202 if ( comp &&
00203 (type == KCompletionBase::PrevCompletionMatch ||
00204 type == KCompletionBase::NextCompletionMatch ) )
00205 {
00206 QString input;
00207
00208 if (type == KCompletionBase::PrevCompletionMatch)
00209 comp->previousMatch();
00210 else
00211 comp->nextMatch();
00212
00213
00214 if ( input.isNull() || input == displayText() )
00215 return;
00216 setCompletedText( input, hasSelectedText() );
00217 }
00218 }
00219
00220 void KLineEdit::makeCompletion( const QString& text )
00221 {
00222 KCompletion *comp = compObj();
00223 KGlobalSettings::Completion mode = completionMode();
00224
00225 if ( !comp || mode == KGlobalSettings::CompletionNone )
00226 return;
00227
00228 QString match = comp->makeCompletion( text );
00229
00230 if ( mode == KGlobalSettings::CompletionPopup ||
00231 mode == KGlobalSettings::CompletionPopupAuto )
00232 {
00233 if ( match.isNull() )
00234 {
00235 if ( d->completionBox )
00236 {
00237 d->completionBox->hide();
00238 d->completionBox->clear();
00239 }
00240 }
00241 else
00242 setCompletedItems( comp->allMatches() );
00243 }
00244 else
00245 {
00246
00247
00248 if ( match.isNull() || match == text )
00249 return;
00250
00251 if ( mode != KGlobalSettings::CompletionShell )
00252 setUserSelection(false);
00253
00254 if ( d->autoSuggest )
00255 setCompletedText( match );
00256 }
00257 }
00258
00259 void KLineEdit::setReadOnly(bool readOnly)
00260 {
00261
00262 if (readOnly == isReadOnly ())
00263 return;
00264
00265 QLineEdit::setReadOnly (readOnly);
00266
00267 if (readOnly)
00268 {
00269 d->bgMode = backgroundMode ();
00270 setBackgroundMode (Qt::PaletteBackground);
00271 if (d->enableSqueezedText && d->squeezedText.isEmpty())
00272 {
00273 d->squeezedText = text();
00274 setSqueezedText();
00275 }
00276 }
00277 else
00278 {
00279 if (!d->squeezedText.isEmpty())
00280 {
00281 setText(d->squeezedText);
00282 d->squeezedText = QString::null;
00283 }
00284 setBackgroundMode (d->bgMode);
00285 }
00286 }
00287
00288 void KLineEdit::setSqueezedText( const QString &text)
00289 {
00290 setEnableSqueezedText(true);
00291 setText(text);
00292 }
00293
00294 void KLineEdit::setEnableSqueezedText( bool enable )
00295 {
00296 d->enableSqueezedText = enable;
00297 }
00298
00299 bool KLineEdit::isSqueezedTextEnabled() const
00300 {
00301 return d->enableSqueezedText;
00302 }
00303
00304 void KLineEdit::setText( const QString& text )
00305 {
00306 if( d->enableSqueezedText && isReadOnly() )
00307 {
00308 d->squeezedText = text;
00309 setSqueezedText();
00310 return;
00311 }
00312
00313 QLineEdit::setText( text );
00314 }
00315
00316 void KLineEdit::setSqueezedText()
00317 {
00318 d->squeezedStart = 0;
00319 d->squeezedEnd = 0;
00320 QString fullText = d->squeezedText;
00321 QFontMetrics fm(fontMetrics());
00322 int labelWidth = size().width() - 2*frameWidth() - 2;
00323 int textWidth = fm.width(fullText);
00324
00325 if (textWidth > labelWidth)
00326 {
00327
00328 QString squeezedText = "...";
00329 int squeezedWidth = fm.width(squeezedText);
00330
00331
00332 int letters = fullText.length() * (labelWidth - squeezedWidth) / textWidth / 2;
00333 squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
00334 squeezedWidth = fm.width(squeezedText);
00335
00336 if (squeezedWidth < labelWidth)
00337 {
00338
00339
00340 do
00341 {
00342 letters++;
00343 squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
00344 squeezedWidth = fm.width(squeezedText);
00345 } while (squeezedWidth < labelWidth);
00346 letters--;
00347 squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
00348 }
00349 else if (squeezedWidth > labelWidth)
00350 {
00351
00352
00353 do
00354 {
00355 letters--;
00356 squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
00357 squeezedWidth = fm.width(squeezedText);
00358 } while (squeezedWidth > labelWidth);
00359 }
00360
00361 if (letters < 5)
00362 {
00363
00364 QLineEdit::setText(fullText);
00365 }
00366 else
00367 {
00368 QLineEdit::setText(squeezedText);
00369 d->squeezedStart = letters;
00370 d->squeezedEnd = fullText.length() - letters;
00371 }
00372
00373 QToolTip::remove( this );
00374 QToolTip::add( this, fullText );
00375
00376 }
00377 else
00378 {
00379 QLineEdit::setText(fullText);
00380
00381 QToolTip::remove( this );
00382 QToolTip::hide();
00383 }
00384
00385 setCursorPosition(0);
00386 }
00387
00388 void KLineEdit::copy() const
00389 {
00390 if (!d->squeezedText.isEmpty() && d->squeezedStart)
00391 {
00392 int start, end;
00393 KLineEdit *that = const_cast<KLineEdit *>(this);
00394 if (!that->getSelection(&start, &end))
00395 return;
00396 if (start >= d->squeezedStart+3)
00397 start = start - 3 - d->squeezedStart + d->squeezedEnd;
00398 else if (start > d->squeezedStart)
00399 start = d->squeezedStart;
00400 if (end >= d->squeezedStart+3)
00401 end = end - 3 - d->squeezedStart + d->squeezedEnd;
00402 else if (end > d->squeezedStart)
00403 end = d->squeezedEnd;
00404 if (start == end)
00405 return;
00406 QString t = d->squeezedText;
00407 t = t.mid(start, end - start);
00408 disconnect( QApplication::clipboard(), SIGNAL(selectionChanged()), this, 0);
00409 QApplication::clipboard()->setText( t );
00410 connect( QApplication::clipboard(), SIGNAL(selectionChanged()), this,
00411 SLOT(clipboardChanged()) );
00412 return;
00413 }
00414
00415 QLineEdit::copy();
00416 }
00417
00418 void KLineEdit::resizeEvent( QResizeEvent * ev )
00419 {
00420 if (!d->squeezedText.isEmpty())
00421 setSqueezedText();
00422
00423 QLineEdit::resizeEvent(ev);
00424 }
00425
00426 void KLineEdit::keyPressEvent( QKeyEvent *e )
00427 {
00428 KKey key( e );
00429
00430 if ( KStdAccel::copy().contains( key ) )
00431 {
00432 copy();
00433 return;
00434 }
00435 else if ( KStdAccel::paste().contains( key ) )
00436 {
00437 paste();
00438 return;
00439 }
00440
00441
00442 else if ( e->key() == Key_Insert &&
00443 (e->state() == (ShiftButton | ControlButton)) )
00444 {
00445 #if QT_VERSION >= 0x030100
00446 QString text = QApplication::clipboard()->text( QClipboard::Selection);
00447 #else
00448 QClipboard *clip = QApplication::clipboard();
00449 bool oldMode = clip->selectionModeEnabled();
00450 clip->setSelectionMode( true );
00451 QString text = QApplication::clipboard()->text();
00452 clip->setSelectionMode( oldMode );
00453 #endif
00454
00455 insert( text );
00456 deselect();
00457 return;
00458 }
00459
00460 else if ( KStdAccel::cut().contains( key ) )
00461 {
00462 cut();
00463 return;
00464 }
00465 else if ( KStdAccel::undo().contains( key ) )
00466 {
00467 undo();
00468 return;
00469 }
00470 else if ( KStdAccel::redo().contains( key ) )
00471 {
00472 redo();
00473 return;
00474 }
00475 else if ( KStdAccel::deleteWordBack().contains( key ) )
00476 {
00477 cursorWordBackward(true);
00478 if ( hasSelectedText() )
00479 del();
00480
00481 e->accept();
00482 return;
00483 }
00484 else if ( KStdAccel::deleteWordForward().contains( key ) )
00485 {
00486
00487 cursorWordForward(true);
00488 if ( hasSelectedText() )
00489 del();
00490
00491 e->accept();
00492 return;
00493 }
00494 else if ( KStdAccel::backwardWord().contains( key ) )
00495 {
00496 cursorWordBackward(false);
00497 e->accept();
00498 return;
00499 }
00500 else if ( KStdAccel::forwardWord().contains( key ) )
00501 {
00502 cursorWordForward(false);
00503 e->accept();
00504 return;
00505 }
00506 else if ( KStdAccel::beginningOfLine().contains( key ) )
00507 {
00508 home(false);
00509 e->accept();
00510 return;
00511 }
00512 else if ( KStdAccel::endOfLine().contains( key ) )
00513 {
00514 end(false);
00515 e->accept();
00516 return;
00517 }
00518
00519
00520
00521
00522 if ( echoMode() == QLineEdit::Normal &&
00523 completionMode() != KGlobalSettings::CompletionNone )
00524 {
00525 KeyBindingMap keys = getKeyBindings();
00526 KGlobalSettings::Completion mode = completionMode();
00527 bool noModifier = (e->state() == NoButton ||
00528 e->state() == ShiftButton ||
00529 e->state() == Keypad);
00530
00531 if ( (mode == KGlobalSettings::CompletionAuto ||
00532 mode == KGlobalSettings::CompletionPopupAuto ||
00533 mode == KGlobalSettings::CompletionMan) && noModifier )
00534 {
00535 if ( !d->userSelection && hasSelectedText() &&
00536 ( e->key() == Key_Right || e->key() == Key_Left ) &&
00537 e->state()==NoButton )
00538 {
00539 QString old_txt = text();
00540 d->disableRestoreSelection = true;
00541 int start,end;
00542 getSelection(&start, &end);
00543
00544 deselect();
00545 QLineEdit::keyPressEvent ( e );
00546 int cPosition=cursorPosition();
00547 if (e->key() ==Key_Right && cPosition > start )
00548 validateAndSet(old_txt, cPosition, cPosition, old_txt.length());
00549 else
00550 validateAndSet(old_txt, cPosition, start, old_txt.length());
00551
00552 d->disableRestoreSelection = false;
00553 return;
00554 }
00555
00556 if ( e->key() == Key_Escape )
00557 {
00558 if (hasSelectedText() && !d->userSelection )
00559 {
00560 del();
00561 setUserSelection(true);
00562 }
00563
00564
00565
00566 e->ignore();
00567 return;
00568 }
00569
00570 }
00571
00572 if ( (mode == KGlobalSettings::CompletionAuto ||
00573 mode == KGlobalSettings::CompletionMan) && noModifier )
00574 {
00575 QString keycode = e->text();
00576 if ( !keycode.isEmpty() && (keycode.unicode()->isPrint() ||
00577 e->key() == Key_Backspace || e->key() == Key_Delete ) )
00578 {
00579 bool hasUserSelection=d->userSelection;
00580 bool hadSelection=hasSelectedText();
00581
00582 bool cursorNotAtEnd=false;
00583
00584 int start,end;
00585 getSelection(&start, &end);
00586 int cPos = cursorPosition();
00587
00588
00589
00590
00591
00592 if ( hadSelection && !hasUserSelection && start>cPos )
00593 {
00594 del();
00595 setCursorPosition(cPos);
00596 cursorNotAtEnd=true;
00597 }
00598
00599 d->disableRestoreSelection = true;
00600 QLineEdit::keyPressEvent ( e );
00601 d->disableRestoreSelection = false;
00602
00603 QString txt = text();
00604 int len = txt.length();
00605 if ( !hasSelectedText() && len )
00606 {
00607 if ( e->key() == Key_Backspace )
00608 {
00609 if ( hadSelection && !hasUserSelection && !cursorNotAtEnd )
00610 {
00611 backspace();
00612 txt = text();
00613 len = txt.length();
00614 }
00615
00616 if ( !d->backspacePerformsCompletion || !len )
00617 d->autoSuggest = false;
00618 }
00619
00620 if (e->key() == Key_Delete )
00621 d->autoSuggest=false;
00622
00623 if ( emitSignals() )
00624 emit completion( txt );
00625
00626 if ( handleSignals() )
00627 makeCompletion( txt );
00628
00629 if( (e->key() == Key_Backspace || e->key() == Key_Delete) )
00630 d->autoSuggest=true;
00631
00632 e->accept();
00633 }
00634
00635 return;
00636 }
00637
00638 }
00639
00640 else if (( mode == KGlobalSettings::CompletionPopup ||
00641 mode == KGlobalSettings::CompletionPopupAuto ) &&
00642 noModifier && !e->text().isEmpty() )
00643 {
00644 QString old_txt = text();
00645 bool hasUserSelection=d->userSelection;
00646 bool hadSelection=hasSelectedText();
00647 bool cursorNotAtEnd=false;
00648
00649 int start,end;
00650 getSelection(&start, &end);
00651 int cPos = cursorPosition();
00652 QString keycode = e->text();
00653
00654
00655
00656
00657
00658 if (hadSelection && !hasUserSelection && start>cPos &&
00659 ( (!keycode.isEmpty() && keycode.unicode()->isPrint()) ||
00660 e->key() == Key_Backspace || e->key() == Key_Delete ) )
00661 {
00662 del();
00663 setCursorPosition(cPos);
00664 cursorNotAtEnd=true;
00665 }
00666
00667 uint selectedLength=selectedText().length();
00668
00669 d->disableRestoreSelection = true;
00670 QLineEdit::keyPressEvent ( e );
00671 d->disableRestoreSelection = false;
00672
00673 if (( selectedLength != selectedText().length() ) && !hasUserSelection )
00674 slotRestoreSelectionColors();
00675
00676 QString txt = text();
00677 int len = txt.length();
00678
00679 if ( txt != old_txt && len &&
00680 ( (!keycode.isEmpty() && keycode.unicode()->isPrint()) ||
00681 e->key() == Key_Backspace || e->key() == Key_Delete) )
00682 {
00683 if ( e->key() == Key_Backspace )
00684 {
00685 if ( hadSelection && !hasUserSelection && !cursorNotAtEnd )
00686 {
00687 backspace();
00688 txt = text();
00689 len = txt.length();
00690 }
00691
00692 if ( !d->backspacePerformsCompletion )
00693 d->autoSuggest = false;
00694 }
00695
00696 if (e->key() == Key_Delete )
00697 d->autoSuggest=false;
00698
00699 if ( emitSignals() )
00700 emit completion( txt );
00701
00702 if ( handleSignals() )
00703 makeCompletion( txt );
00704
00705 if ( (e->key() == Key_Backspace || e->key() == Key_Delete ) &&
00706 mode == KGlobalSettings::CompletionPopupAuto )
00707 d->autoSuggest=true;
00708
00709 e->accept();
00710 }
00711 else if (!len && d->completionBox && d->completionBox->isVisible())
00712 d->completionBox->hide();
00713
00714 return;
00715 }
00716
00717 else if ( mode == KGlobalSettings::CompletionShell )
00718 {
00719
00720 KShortcut cut;
00721 if ( keys[TextCompletion].isNull() )
00722 cut = KStdAccel::shortcut(KStdAccel::TextCompletion);
00723 else
00724 cut = keys[TextCompletion];
00725
00726 if ( cut.contains( key ) )
00727 {
00728
00729
00730 QString txt = text();
00731 int len = txt.length();
00732 if ( cursorPosition() == len && len != 0 )
00733 {
00734 if ( emitSignals() )
00735 emit completion( txt );
00736 if ( handleSignals() )
00737 makeCompletion( txt );
00738 return;
00739 }
00740 }
00741 else if ( d->completionBox )
00742 d->completionBox->hide();
00743 }
00744
00745
00746 if ( mode != KGlobalSettings::CompletionNone )
00747 {
00748
00749 KShortcut cut;
00750 if ( keys[PrevCompletionMatch].isNull() )
00751 cut = KStdAccel::shortcut(KStdAccel::PrevCompletion);
00752 else
00753 cut = keys[PrevCompletionMatch];
00754
00755 if ( cut.contains( key ) )
00756 {
00757 if ( emitSignals() )
00758 emit textRotation( KCompletionBase::PrevCompletionMatch );
00759 if ( handleSignals() )
00760 rotateText( KCompletionBase::PrevCompletionMatch );
00761 return;
00762 }
00763
00764
00765 if ( keys[NextCompletionMatch].isNull() )
00766 cut = KStdAccel::shortcut(KStdAccel::NextCompletion);
00767 else
00768 cut = keys[NextCompletionMatch];
00769
00770 if ( cut.contains( key ) )
00771 {
00772 if ( emitSignals() )
00773 emit textRotation( KCompletionBase::NextCompletionMatch );
00774 if ( handleSignals() )
00775 rotateText( KCompletionBase::NextCompletionMatch );
00776 return;
00777 }
00778 }
00779
00780
00781 if ( compObj() )
00782 {
00783 KShortcut cut;
00784 if ( keys[SubstringCompletion].isNull() )
00785 cut = KStdAccel::shortcut(KStdAccel::SubstringCompletion);
00786 else
00787 cut = keys[SubstringCompletion];
00788
00789 if ( cut.contains( key ) )
00790 {
00791 if ( emitSignals() )
00792 emit substringCompletion( text() );
00793 if ( handleSignals() )
00794 {
00795 setCompletedItems( compObj()->substringCompletion(text()));
00796 e->accept();
00797 }
00798 return;
00799 }
00800 }
00801 }
00802
00803 uint selectedLength = selectedText().length();
00804
00805
00806 QLineEdit::keyPressEvent ( e );
00807
00808 if ( selectedLength != selectedText().length() )
00809 slotRestoreSelectionColors();
00810 }
00811
00812 void KLineEdit::mouseDoubleClickEvent( QMouseEvent* e )
00813 {
00814 if ( e->button() == Qt::LeftButton )
00815 {
00816 possibleTripleClick=true;
00817 QTimer::singleShot( QApplication::doubleClickInterval(),this,
00818 SLOT(tripleClickTimeout()) );
00819 }
00820 QLineEdit::mouseDoubleClickEvent( e );
00821 }
00822
00823 void KLineEdit::mousePressEvent( QMouseEvent* e )
00824 {
00825 if ( possibleTripleClick && e->button() == Qt::LeftButton )
00826 {
00827 selectAll();
00828 e->accept();
00829 return;
00830 }
00831 QLineEdit::mousePressEvent( e );
00832 }
00833
00834 void KLineEdit::tripleClickTimeout()
00835 {
00836 possibleTripleClick=false;
00837 }
00838
00839 void KLineEdit::contextMenuEvent( QContextMenuEvent * e )
00840 {
00841 if ( m_bEnableMenu )
00842 QLineEdit::contextMenuEvent( e );
00843 }
00844
00845 QPopupMenu *KLineEdit::createPopupMenu()
00846 {
00847 enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
00848
00849 QPopupMenu *popup = QLineEdit::createPopupMenu();
00850
00851 int id = popup->idAt(0);
00852 popup->changeItem( id - IdUndo, SmallIconSet("undo"), popup->text( id - IdUndo) );
00853 popup->changeItem( id - IdRedo, SmallIconSet("redo"), popup->text( id - IdRedo) );
00854 popup->changeItem( id - IdCut, SmallIconSet("editcut"), popup->text( id - IdCut) );
00855 popup->changeItem( id - IdCopy, SmallIconSet("editcopy"), popup->text( id - IdCopy) );
00856 popup->changeItem( id - IdPaste, SmallIconSet("editpaste"), popup->text( id - IdPaste) );
00857 popup->changeItem( id - IdClear, SmallIconSet("editclear"), popup->text( id - IdClear) );
00858
00859
00860
00861
00862 if ( compObj() && !isReadOnly() && kapp->authorize("lineedit_text_completion") )
00863 {
00864 QPopupMenu *subMenu = new QPopupMenu( popup );
00865 connect( subMenu, SIGNAL( activated( int ) ),
00866 this, SLOT( completionMenuActivated( int ) ) );
00867
00868 popup->insertSeparator();
00869 popup->insertItem( SmallIconSet("completion"), i18n("Text Completion"),
00870 subMenu );
00871
00872 subMenu->insertItem( i18n("None"), NoCompletion );
00873 subMenu->insertItem( i18n("Manual"), ShellCompletion );
00874 subMenu->insertItem( i18n("Automatic"), AutoCompletion );
00875 subMenu->insertItem( i18n("Dropdown List"), PopupCompletion );
00876 subMenu->insertItem( i18n("Short Automatic"), ShortAutoCompletion );
00877 subMenu->insertItem( i18n("Dropdown List && Automatic"), PopupAutoCompletion );
00878
00879 subMenu->setAccel( KStdAccel::completion(), ShellCompletion );
00880
00881 KGlobalSettings::Completion mode = completionMode();
00882 subMenu->setItemChecked( NoCompletion,
00883 mode == KGlobalSettings::CompletionNone );
00884 subMenu->setItemChecked( ShellCompletion,
00885 mode == KGlobalSettings::CompletionShell );
00886 subMenu->setItemChecked( PopupCompletion,
00887 mode == KGlobalSettings::CompletionPopup );
00888 subMenu->setItemChecked( AutoCompletion,
00889 mode == KGlobalSettings::CompletionAuto );
00890 subMenu->setItemChecked( ShortAutoCompletion,
00891 mode == KGlobalSettings::CompletionMan );
00892 subMenu->setItemChecked( PopupAutoCompletion,
00893 mode == KGlobalSettings::CompletionPopupAuto );
00894 if ( mode != KGlobalSettings::completionMode() )
00895 {
00896 subMenu->insertSeparator();
00897 subMenu->insertItem( i18n("Default"), Default );
00898 }
00899 }
00900
00901
00902
00903
00904 emit aboutToShowContextMenu( popup );
00905
00906 return popup;
00907 }
00908
00909 void KLineEdit::completionMenuActivated( int id )
00910 {
00911 KGlobalSettings::Completion oldMode = completionMode();
00912
00913 switch ( id )
00914 {
00915 case Default:
00916 setCompletionMode( KGlobalSettings::completionMode() );
00917 break;
00918 case NoCompletion:
00919 setCompletionMode( KGlobalSettings::CompletionNone );
00920 break;
00921 case AutoCompletion:
00922 setCompletionMode( KGlobalSettings::CompletionAuto );
00923 break;
00924 case ShortAutoCompletion:
00925 setCompletionMode( KGlobalSettings::CompletionMan );
00926 break;
00927 case ShellCompletion:
00928 setCompletionMode( KGlobalSettings::CompletionShell );
00929 break;
00930 case PopupCompletion:
00931 setCompletionMode( KGlobalSettings::CompletionPopup );
00932 break;
00933 case PopupAutoCompletion:
00934 setCompletionMode( KGlobalSettings::CompletionPopupAuto );
00935 break;
00936 default:
00937 return;
00938 }
00939
00940 if ( oldMode != completionMode() )
00941 {
00942 if ( (oldMode == KGlobalSettings::CompletionPopup ||
00943 oldMode == KGlobalSettings::CompletionPopupAuto ) &&
00944 d->completionBox && d->completionBox->isVisible() )
00945 d->completionBox->hide();
00946 emit completionModeChanged( completionMode() );
00947 }
00948 }
00949
00950 void KLineEdit::dropEvent(QDropEvent *e)
00951 {
00952 KURL::List urlList;
00953 if( d->handleURLDrops && KURLDrag::decode( e, urlList ) )
00954 {
00955 QString dropText = text();
00956 KURL::List::ConstIterator it;
00957 for( it = urlList.begin() ; it != urlList.end() ; ++it )
00958 {
00959 if(!dropText.isEmpty())
00960 dropText+=' ';
00961
00962 dropText += (*it).prettyURL();
00963 }
00964
00965 validateAndSet( dropText, dropText.length(), 0, 0);
00966
00967 e->accept();
00968 }
00969 else
00970 QLineEdit::dropEvent(e);
00971 }
00972
00973 bool KLineEdit::eventFilter( QObject* o, QEvent* ev )
00974 {
00975 if( o == this )
00976 {
00977 KCursor::autoHideEventFilter( this, ev );
00978 if ( ev->type() == QEvent::AccelOverride )
00979 {
00980 QKeyEvent *e = static_cast<QKeyEvent *>( ev );
00981 if (overrideAccel (e))
00982 {
00983 e->accept();
00984 return true;
00985 }
00986 }
00987 else if( ev->type() == QEvent::KeyPress )
00988 {
00989 QKeyEvent *e = static_cast<QKeyEvent *>( ev );
00990
00991 if( e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter )
00992 {
00993 bool trap = d->completionBox && d->completionBox->isVisible();
00994
00995 bool stopEvent = trap || (d->grabReturnKeyEvents &&
00996 (e->state() == NoButton ||
00997 e->state() == Keypad));
00998
00999
01000 if ( stopEvent )
01001 {
01002 emit QLineEdit::returnPressed();
01003 e->accept ();
01004 }
01005
01006 emit returnPressed( displayText() );
01007
01008 if ( trap )
01009 {
01010 d->completionBox->hide();
01011 deselect();
01012 setCursorPosition(text().length());
01013 }
01014
01015
01016 return stopEvent;
01017 }
01018 }
01019 }
01020 return QLineEdit::eventFilter( o, ev );
01021 }
01022
01023
01024 void KLineEdit::setURLDropsEnabled(bool enable)
01025 {
01026 d->handleURLDrops=enable;
01027 }
01028
01029 bool KLineEdit::isURLDropsEnabled() const
01030 {
01031 return d->handleURLDrops;
01032 }
01033
01034 void KLineEdit::setTrapReturnKey( bool grab )
01035 {
01036 d->grabReturnKeyEvents = grab;
01037 }
01038
01039 bool KLineEdit::trapReturnKey() const
01040 {
01041 return d->grabReturnKeyEvents;
01042 }
01043
01044 void KLineEdit::setURL( const KURL& url )
01045 {
01046 setText( url.prettyURL() );
01047 }
01048
01049 void KLineEdit::makeCompletionBox()
01050 {
01051 if ( d->completionBox )
01052 return;
01053
01054 d->completionBox = new KCompletionBox( this, "completion box" );
01055 if ( handleSignals() )
01056 {
01057 connect( d->completionBox, SIGNAL(highlighted( const QString& )),
01058 SLOT(setTextWorkaround( const QString& )) );
01059 connect( d->completionBox, SIGNAL(userCancelled( const QString& )),
01060 SLOT(userCancelled( const QString& )) );
01061
01062 connect( d->completionBox, SIGNAL( activated( const QString& )),
01063 SIGNAL(completionBoxActivated( const QString& )) );
01064 }
01065 }
01066
01067 void KLineEdit::userCancelled(const QString & cancelText)
01068 {
01069 if ( completionMode() != KGlobalSettings::CompletionPopupAuto )
01070 {
01071 setText(cancelText);
01072 }
01073 else if (hasSelectedText() )
01074 {
01075 if (d->userSelection)
01076 deselect();
01077 else
01078 {
01079 d->autoSuggest=false;
01080 int start,end;
01081 getSelection(&start, &end);
01082 QString s=text().remove(start, end-start+1);
01083 validateAndSet(s,start,s.length(),s.length());
01084 d->autoSuggest=true;
01085 }
01086 }
01087 }
01088
01089 bool KLineEdit::overrideAccel (const QKeyEvent* e)
01090 {
01091 KShortcut scKey;
01092
01093 KKey key( e );
01094 KeyBindingMap keys = getKeyBindings();
01095
01096 if (keys[TextCompletion].isNull())
01097 scKey = KStdAccel::shortcut(KStdAccel::TextCompletion);
01098 else
01099 scKey = keys[TextCompletion];
01100
01101 if (scKey.contains( key ))
01102 return true;
01103
01104 if (keys[NextCompletionMatch].isNull())
01105 scKey = KStdAccel::shortcut(KStdAccel::NextCompletion);
01106 else
01107 scKey = keys[NextCompletionMatch];
01108
01109 if (scKey.contains( key ))
01110 return true;
01111
01112 if (keys[PrevCompletionMatch].isNull())
01113 scKey = KStdAccel::shortcut(KStdAccel::PrevCompletion);
01114 else
01115 scKey = keys[PrevCompletionMatch];
01116
01117 if (scKey.contains( key ))
01118 return true;
01119
01120
01121 if ( KStdAccel::copy().contains( key ) )
01122 return true;
01123 else if ( KStdAccel::paste().contains( key ) )
01124 return true;
01125 else if ( KStdAccel::cut().contains( key ) )
01126 return true;
01127 else if ( KStdAccel::undo().contains( key ) )
01128 return true;
01129 else if ( KStdAccel::redo().contains( key ) )
01130 return true;
01131 else if (KStdAccel::deleteWordBack().contains( key ))
01132 return true;
01133 else if (KStdAccel::deleteWordForward().contains( key ))
01134 return true;
01135 else if (KStdAccel::forwardWord().contains( key ))
01136 return true;
01137 else if (KStdAccel::backwardWord().contains( key ))
01138 return true;
01139 else if (KStdAccel::beginningOfLine().contains( key ))
01140 return true;
01141 else if (KStdAccel::endOfLine().contains( key ))
01142 return true;
01143
01144 if (d->completionBox && d->completionBox->isVisible ())
01145 {
01146 int key = e->key();
01147 ButtonState state = e->state();
01148 if ((key == Key_Backtab || key == Key_Tab) &&
01149 (state == NoButton || (state & ShiftButton)))
01150 {
01151 return true;
01152 }
01153 }
01154
01155
01156 return false;
01157 }
01158
01159 void KLineEdit::setCompletedItems( const QStringList& items )
01160 {
01161 setCompletedItems( items, true );
01162 }
01163
01164 void KLineEdit::setCompletedItems( const QStringList& items, bool autoSuggest )
01165 {
01166 QString txt = text();
01167
01168 if ( !items.isEmpty() &&
01169 !(items.count() == 1 && txt == items.first()) )
01170 {
01171 if ( !d->completionBox )
01172 makeCompletionBox();
01173
01174 if ( !txt.isEmpty() )
01175 d->completionBox->setCancelledText( txt );
01176
01177 d->completionBox->setItems( items );
01178 d->completionBox->popup();
01179
01180 if ( d->autoSuggest && autoSuggest )
01181 {
01182 int index = items.first().find( txt );
01183 QString newText = items.first().mid( index );
01184 setUserSelection(false);
01185 setCompletedText(newText,true);
01186 }
01187 }
01188 else
01189 {
01190 if ( d->completionBox && d->completionBox->isVisible() )
01191 d->completionBox->hide();
01192 }
01193 }
01194
01195 KCompletionBox * KLineEdit::completionBox( bool create )
01196 {
01197 if ( create )
01198 makeCompletionBox();
01199
01200 return d->completionBox;
01201 }
01202
01203 void KLineEdit::setCompletionObject( KCompletion* comp, bool hsig )
01204 {
01205 KCompletion *oldComp = compObj();
01206 if ( oldComp && handleSignals() )
01207 disconnect( oldComp, SIGNAL( matches( const QStringList& )),
01208 this, SLOT( setCompletedItems( const QStringList& )));
01209
01210 if ( comp && hsig )
01211 connect( comp, SIGNAL( matches( const QStringList& )),
01212 this, SLOT( setCompletedItems( const QStringList& )));
01213
01214 KCompletionBase::setCompletionObject( comp, hsig );
01215 }
01216
01217
01218 void KLineEdit::create( WId id, bool initializeWindow, bool destroyOldWindow )
01219 {
01220 QLineEdit::create( id, initializeWindow, destroyOldWindow );
01221 KCursor::setAutoHideCursor( this, true, true );
01222 }
01223
01224 void KLineEdit::setUserSelection(bool userSelection)
01225 {
01226 QPalette p = palette();
01227
01228 if (userSelection)
01229 {
01230 p.setColor(QColorGroup::Highlight, d->previousHighlightColor);
01231 p.setColor(QColorGroup::HighlightedText, d->previousHighlightedTextColor);
01232 }
01233 else
01234 {
01235 QColor color=p.color(QPalette::Disabled, QColorGroup::Text);
01236 p.setColor(QColorGroup::HighlightedText, color);
01237 color=p.color(QPalette::Active, QColorGroup::Base);
01238 p.setColor(QColorGroup::Highlight, color);
01239 }
01240
01241 d->userSelection=userSelection;
01242 setPalette(p);
01243 }
01244
01245 void KLineEdit::slotRestoreSelectionColors()
01246 {
01247 if (d->disableRestoreSelection)
01248 return;
01249
01250 setUserSelection(true);
01251 }
01252
01253 void KLineEdit::clear()
01254 {
01255 setText( QString::null );
01256 }
01257
01258 void KLineEdit::setTextWorkaround( const QString& text )
01259 {
01260 setText( text );
01261 end( false );
01262 }
01263
01264 QString KLineEdit::originalText() const
01265 {
01266 if ( d->enableSqueezedText && isReadOnly() )
01267 return d->squeezedText;
01268
01269 return text();
01270 }
01271
01272 void KLineEdit::virtual_hook( int id, void* data )
01273 { KCompletionBase::virtual_hook( id, data ); }