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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 QPopupMenu *KLineEdit::createPopupMenu()
00840 {
00841 enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
00842
00843
00844 if ( !m_bEnableMenu )
00845 return 0;
00846
00847 QPopupMenu *popup = QLineEdit::createPopupMenu();
00848
00849 if ( isReadOnly() )
00850 popup->changeItem( popup->idAt(0), SmallIconSet("editcopy"), popup->text( popup->idAt(0) ) );
00851 else {
00852 int id = popup->idAt(0);
00853 popup->changeItem( id - IdUndo, SmallIconSet("undo"), popup->text( id - IdUndo) );
00854 popup->changeItem( id - IdRedo, SmallIconSet("redo"), popup->text( id - IdRedo) );
00855 popup->changeItem( id - IdCut, SmallIconSet("editcut"), popup->text( id - IdCut) );
00856 popup->changeItem( id - IdCopy, SmallIconSet("editcopy"), popup->text( id - IdCopy) );
00857 popup->changeItem( id - IdPaste, SmallIconSet("editpaste"), popup->text( id - IdPaste) );
00858 popup->changeItem( id - IdClear, SmallIconSet("editclear"), popup->text( id - IdClear) );
00859 }
00860
00861
00862
00863
00864 if ( compObj() && !isReadOnly() && kapp->authorize("lineedit_text_completion") )
00865 {
00866 QPopupMenu *subMenu = new QPopupMenu( popup );
00867 connect( subMenu, SIGNAL( activated( int ) ),
00868 this, SLOT( completionMenuActivated( int ) ) );
00869
00870 popup->insertSeparator();
00871 popup->insertItem( SmallIconSet("completion"), i18n("Text Completion"),
00872 subMenu );
00873
00874 subMenu->insertItem( i18n("None"), NoCompletion );
00875 subMenu->insertItem( i18n("Manual"), ShellCompletion );
00876 subMenu->insertItem( i18n("Automatic"), AutoCompletion );
00877 subMenu->insertItem( i18n("Dropdown List"), PopupCompletion );
00878 subMenu->insertItem( i18n("Short Automatic"), ShortAutoCompletion );
00879 subMenu->insertItem( i18n("Dropdown List && Automatic"), PopupAutoCompletion );
00880
00881 subMenu->setAccel( KStdAccel::completion(), ShellCompletion );
00882
00883 KGlobalSettings::Completion mode = completionMode();
00884 subMenu->setItemChecked( NoCompletion,
00885 mode == KGlobalSettings::CompletionNone );
00886 subMenu->setItemChecked( ShellCompletion,
00887 mode == KGlobalSettings::CompletionShell );
00888 subMenu->setItemChecked( PopupCompletion,
00889 mode == KGlobalSettings::CompletionPopup );
00890 subMenu->setItemChecked( AutoCompletion,
00891 mode == KGlobalSettings::CompletionAuto );
00892 subMenu->setItemChecked( ShortAutoCompletion,
00893 mode == KGlobalSettings::CompletionMan );
00894 subMenu->setItemChecked( PopupAutoCompletion,
00895 mode == KGlobalSettings::CompletionPopupAuto );
00896 if ( mode != KGlobalSettings::completionMode() )
00897 {
00898 subMenu->insertSeparator();
00899 subMenu->insertItem( i18n("Default"), Default );
00900 }
00901 }
00902
00903
00904
00905
00906 emit aboutToShowContextMenu( popup );
00907
00908 return popup;
00909 }
00910
00911 void KLineEdit::completionMenuActivated( int id )
00912 {
00913 KGlobalSettings::Completion oldMode = completionMode();
00914
00915 switch ( id )
00916 {
00917 case Default:
00918 setCompletionMode( KGlobalSettings::completionMode() );
00919 break;
00920 case NoCompletion:
00921 setCompletionMode( KGlobalSettings::CompletionNone );
00922 break;
00923 case AutoCompletion:
00924 setCompletionMode( KGlobalSettings::CompletionAuto );
00925 break;
00926 case ShortAutoCompletion:
00927 setCompletionMode( KGlobalSettings::CompletionMan );
00928 break;
00929 case ShellCompletion:
00930 setCompletionMode( KGlobalSettings::CompletionShell );
00931 break;
00932 case PopupCompletion:
00933 setCompletionMode( KGlobalSettings::CompletionPopup );
00934 break;
00935 case PopupAutoCompletion:
00936 setCompletionMode( KGlobalSettings::CompletionPopupAuto );
00937 break;
00938 default:
00939 return;
00940 }
00941
00942 if ( oldMode != completionMode() )
00943 {
00944 if ( (oldMode == KGlobalSettings::CompletionPopup ||
00945 oldMode == KGlobalSettings::CompletionPopupAuto ) &&
00946 d->completionBox && d->completionBox->isVisible() )
00947 d->completionBox->hide();
00948 emit completionModeChanged( completionMode() );
00949 }
00950 }
00951
00952 void KLineEdit::dropEvent(QDropEvent *e)
00953 {
00954 KURL::List urlList;
00955 if( d->handleURLDrops && KURLDrag::decode( e, urlList ) )
00956 {
00957 QString dropText = text();
00958 KURL::List::ConstIterator it;
00959 for( it = urlList.begin() ; it != urlList.end() ; ++it )
00960 {
00961 if(!dropText.isEmpty())
00962 dropText+=' ';
00963
00964 dropText += (*it).prettyURL();
00965 }
00966
00967 validateAndSet( dropText, dropText.length(), 0, 0);
00968
00969 e->accept();
00970 }
00971 else
00972 QLineEdit::dropEvent(e);
00973 }
00974
00975 bool KLineEdit::eventFilter( QObject* o, QEvent* ev )
00976 {
00977 if( o == this )
00978 {
00979 KCursor::autoHideEventFilter( this, ev );
00980 if ( ev->type() == QEvent::AccelOverride )
00981 {
00982 QKeyEvent *e = static_cast<QKeyEvent *>( ev );
00983 if (overrideAccel (e))
00984 {
00985 e->accept();
00986 return true;
00987 }
00988 }
00989 else if( ev->type() == QEvent::KeyPress )
00990 {
00991 QKeyEvent *e = static_cast<QKeyEvent *>( ev );
00992
00993 if( e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter )
00994 {
00995 bool trap = d->completionBox && d->completionBox->isVisible();
00996
00997 bool stopEvent = trap || (d->grabReturnKeyEvents &&
00998 (e->state() == NoButton ||
00999 e->state() == Keypad));
01000
01001
01002 if ( stopEvent )
01003 {
01004 emit QLineEdit::returnPressed();
01005 e->accept ();
01006 }
01007
01008 emit returnPressed( displayText() );
01009
01010 if ( trap )
01011 {
01012 d->completionBox->hide();
01013 deselect();
01014 setCursorPosition(text().length());
01015 }
01016
01017
01018 return stopEvent;
01019 }
01020 }
01021 }
01022 return QLineEdit::eventFilter( o, ev );
01023 }
01024
01025
01026 void KLineEdit::setURLDropsEnabled(bool enable)
01027 {
01028 d->handleURLDrops=enable;
01029 }
01030
01031 bool KLineEdit::isURLDropsEnabled() const
01032 {
01033 return d->handleURLDrops;
01034 }
01035
01036 void KLineEdit::setTrapReturnKey( bool grab )
01037 {
01038 d->grabReturnKeyEvents = grab;
01039 }
01040
01041 bool KLineEdit::trapReturnKey() const
01042 {
01043 return d->grabReturnKeyEvents;
01044 }
01045
01046 void KLineEdit::setURL( const KURL& url )
01047 {
01048 setText( url.prettyURL() );
01049 }
01050
01051 void KLineEdit::makeCompletionBox()
01052 {
01053 if ( d->completionBox )
01054 return;
01055
01056 d->completionBox = new KCompletionBox( this, "completion box" );
01057 if ( handleSignals() )
01058 {
01059 connect( d->completionBox, SIGNAL(highlighted( const QString& )),
01060 SLOT(setTextWorkaround( const QString& )) );
01061 connect( d->completionBox, SIGNAL(userCancelled( const QString& )),
01062 SLOT(userCancelled( const QString& )) );
01063
01064 connect( d->completionBox, SIGNAL( activated( const QString& )),
01065 SIGNAL(completionBoxActivated( const QString& )) );
01066 }
01067 }
01068
01069 void KLineEdit::userCancelled(const QString & cancelText)
01070 {
01071 if ( completionMode() != KGlobalSettings::CompletionPopupAuto )
01072 {
01073 setText(cancelText);
01074 }
01075 else if (hasSelectedText() )
01076 {
01077 if (d->userSelection)
01078 deselect();
01079 else
01080 {
01081 d->autoSuggest=false;
01082 int start,end;
01083 getSelection(&start, &end);
01084 QString s=text().remove(start, end-start+1);
01085 validateAndSet(s,start,s.length(),s.length());
01086 d->autoSuggest=true;
01087 }
01088 }
01089 }
01090
01091 bool KLineEdit::overrideAccel (const QKeyEvent* e)
01092 {
01093 KShortcut scKey;
01094
01095 KKey key( e );
01096 KeyBindingMap keys = getKeyBindings();
01097
01098 if (keys[TextCompletion].isNull())
01099 scKey = KStdAccel::shortcut(KStdAccel::TextCompletion);
01100 else
01101 scKey = keys[TextCompletion];
01102
01103 if (scKey.contains( key ))
01104 return true;
01105
01106 if (keys[NextCompletionMatch].isNull())
01107 scKey = KStdAccel::shortcut(KStdAccel::NextCompletion);
01108 else
01109 scKey = keys[NextCompletionMatch];
01110
01111 if (scKey.contains( key ))
01112 return true;
01113
01114 if (keys[PrevCompletionMatch].isNull())
01115 scKey = KStdAccel::shortcut(KStdAccel::PrevCompletion);
01116 else
01117 scKey = keys[PrevCompletionMatch];
01118
01119 if (scKey.contains( key ))
01120 return true;
01121
01122
01123 if ( KStdAccel::copy().contains( key ) )
01124 return true;
01125 else if ( KStdAccel::paste().contains( key ) )
01126 return true;
01127 else if ( KStdAccel::cut().contains( key ) )
01128 return true;
01129 else if ( KStdAccel::undo().contains( key ) )
01130 return true;
01131 else if ( KStdAccel::redo().contains( key ) )
01132 return true;
01133 else if (KStdAccel::deleteWordBack().contains( key ))
01134 return true;
01135 else if (KStdAccel::deleteWordForward().contains( key ))
01136 return true;
01137 else if (KStdAccel::forwardWord().contains( key ))
01138 return true;
01139 else if (KStdAccel::backwardWord().contains( key ))
01140 return true;
01141 else if (KStdAccel::beginningOfLine().contains( key ))
01142 return true;
01143 else if (KStdAccel::endOfLine().contains( key ))
01144 return true;
01145
01146 if (d->completionBox && d->completionBox->isVisible ())
01147 {
01148 int key = e->key();
01149 ButtonState state = e->state();
01150 if ((key == Key_Backtab || key == Key_Tab) &&
01151 (state == NoButton || (state & ShiftButton)))
01152 {
01153 return true;
01154 }
01155 }
01156
01157
01158 return false;
01159 }
01160
01161 void KLineEdit::setCompletedItems( const QStringList& items )
01162 {
01163 setCompletedItems( items, true );
01164 }
01165
01166 void KLineEdit::setCompletedItems( const QStringList& items, bool autoSuggest )
01167 {
01168 QString txt = text();
01169
01170 if ( !items.isEmpty() &&
01171 !(items.count() == 1 && txt == items.first()) )
01172 {
01173 if ( !d->completionBox )
01174 makeCompletionBox();
01175
01176 if ( !txt.isEmpty() )
01177 d->completionBox->setCancelledText( txt );
01178
01179 d->completionBox->setItems( items );
01180 d->completionBox->popup();
01181
01182 if ( d->autoSuggest && autoSuggest )
01183 {
01184 int index = items.first().find( txt );
01185 QString newText = items.first().mid( index );
01186 setUserSelection(false);
01187 setCompletedText(newText,true);
01188 }
01189 }
01190 else
01191 {
01192 if ( d->completionBox && d->completionBox->isVisible() )
01193 d->completionBox->hide();
01194 }
01195 }
01196
01197 KCompletionBox * KLineEdit::completionBox( bool create )
01198 {
01199 if ( create )
01200 makeCompletionBox();
01201
01202 return d->completionBox;
01203 }
01204
01205 void KLineEdit::setCompletionObject( KCompletion* comp, bool hsig )
01206 {
01207 KCompletion *oldComp = compObj();
01208 if ( oldComp && handleSignals() )
01209 disconnect( oldComp, SIGNAL( matches( const QStringList& )),
01210 this, SLOT( setCompletedItems( const QStringList& )));
01211
01212 if ( comp && hsig )
01213 connect( comp, SIGNAL( matches( const QStringList& )),
01214 this, SLOT( setCompletedItems( const QStringList& )));
01215
01216 KCompletionBase::setCompletionObject( comp, hsig );
01217 }
01218
01219
01220 void KLineEdit::create( WId id, bool initializeWindow, bool destroyOldWindow )
01221 {
01222 QLineEdit::create( id, initializeWindow, destroyOldWindow );
01223 KCursor::setAutoHideCursor( this, true, true );
01224 }
01225
01226 void KLineEdit::setUserSelection(bool userSelection)
01227 {
01228 QPalette p = palette();
01229
01230 if (userSelection)
01231 {
01232 p.setColor(QColorGroup::Highlight, d->previousHighlightColor);
01233 p.setColor(QColorGroup::HighlightedText, d->previousHighlightedTextColor);
01234 }
01235 else
01236 {
01237 QColor color=p.color(QPalette::Disabled, QColorGroup::Text);
01238 p.setColor(QColorGroup::HighlightedText, color);
01239 color=p.color(QPalette::Active, QColorGroup::Base);
01240 p.setColor(QColorGroup::Highlight, color);
01241 }
01242
01243 d->userSelection=userSelection;
01244 setPalette(p);
01245 }
01246
01247 void KLineEdit::slotRestoreSelectionColors()
01248 {
01249 if (d->disableRestoreSelection)
01250 return;
01251
01252 setUserSelection(true);
01253 }
01254
01255 void KLineEdit::clear()
01256 {
01257 setText( QString::null );
01258 }
01259
01260 void KLineEdit::setTextWorkaround( const QString& text )
01261 {
01262 setText( text );
01263 end( false );
01264 }
01265
01266 QString KLineEdit::originalText() const
01267 {
01268 if ( d->enableSqueezedText && isReadOnly() )
01269 return d->squeezedText;
01270
01271 return text();
01272 }
01273
01274 void KLineEdit::virtual_hook( int id, void* data )
01275 { KCompletionBase::virtual_hook( id, data ); }