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#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 ); }