diff --git a/src/klineedit.cpp b/src/klineedit.cpp index ba9cd90..82c8b75 100644 --- a/src/klineedit.cpp +++ b/src/klineedit.cpp @@ -1,1481 +1,1480 @@ /* This file is part of the KDE libraries Copyright (C) 1997 Sven Radej (sven.radej@iname.com) Copyright (c) 1999 Patrick Ward Copyright (c) 1999 Preston Brown Re-designed for KDE 2.x by Copyright (c) 2000, 2001 Dawit Alemayehu Copyright (c) 2000, 2001 Carsten Pfeiffer This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "klineedit.h" #include "klineedit_p.h" #include #include #include #include #include #include #include #include #include #include #include #include KLineEditPrivate::~KLineEditPrivate() { // causes a weird crash in KWord at least, so let Qt delete it for us. // delete completionBox; } void KLineEditPrivate::_k_textChanged(const QString &text) { Q_Q(KLineEdit); // COMPAT (as documented): emit userTextChanged whenever textChanged is emitted if (!completionRunning && (text != userText)) { userText = text; #ifndef KCOMPLETION_NO_DEPRECATED emit q->userTextChanged(text); #endif } } // Call this when a completion operation changes the lineedit text // "as if it had been edited by the user". void KLineEditPrivate::updateUserText(const QString &text) { Q_Q(KLineEdit); if (!completionRunning && (text != userText)) { userText = text; q->setModified(true); #ifndef KCOMPLETION_NO_DEPRECATED emit q->userTextChanged(text); #endif emit q->textEdited(text); emit q->textChanged(text); } } bool KLineEditPrivate::s_backspacePerformsCompletion = false; bool KLineEditPrivate::s_initialized = false; void KLineEditPrivate::init() { Q_Q(KLineEdit); //--- completionBox = nullptr; handleURLDrops = true; trapReturnKeyEvents = false; userSelection = true; autoSuggest = false; disableRestoreSelection = false; enableSqueezedText = false; completionRunning = false; if (!s_initialized) { KConfigGroup config(KSharedConfig::openConfig(), "General"); s_backspacePerformsCompletion = config.readEntry("Backspace performs completion", false); s_initialized = true; } urlDropEventFilter = new LineEditUrlDropEventFilter(q); // i18n: Placeholder text in line edit widgets is the text appearing // before any user input, briefly explaining to the user what to type // (e.g. "Enter search pattern"). // By default the text is set in italic, which may not be appropriate // for some languages and scripts (e.g. for CJK ideographs). QString metaMsg = KLineEdit::tr("1", "Italic placeholder text in line edits: 0 no, 1 yes"); italicizePlaceholder = (metaMsg.trimmed() != QString('0')); //--- possibleTripleClick = false; bgRole = q->backgroundRole(); // Enable the context menu by default. q->QLineEdit::setContextMenuPolicy(Qt::DefaultContextMenu); KCursor::setAutoHideCursor(q, true, true); KCompletion::CompletionMode mode = q->completionMode(); autoSuggest = (mode == KCompletion::CompletionMan || mode == KCompletion::CompletionPopupAuto || mode == KCompletion::CompletionAuto); q->connect(q, SIGNAL(selectionChanged()), q, SLOT(_k_restoreSelectionColors())); if (handleURLDrops) { q->installEventFilter(urlDropEventFilter); } const QPalette p = q->palette(); if (!previousHighlightedTextColor.isValid()) { previousHighlightedTextColor = p.color(QPalette::Normal, QPalette::HighlightedText); } if (!previousHighlightColor.isValid()) { previousHighlightColor = p.color(QPalette::Normal, QPalette::Highlight); } q->connect(q, SIGNAL(textChanged(QString)), q, SLOT(_k_textChanged(QString))); } KLineEdit::KLineEdit(const QString &string, QWidget *parent) : QLineEdit(string, parent), d_ptr(new KLineEditPrivate(this)) { Q_D(KLineEdit); d->init(); } KLineEdit::KLineEdit(QWidget *parent) : QLineEdit(parent), d_ptr(new KLineEditPrivate(this)) { Q_D(KLineEdit); d->init(); } KLineEdit::~KLineEdit() { } #ifndef KCOMPLETION_NO_DEPRECATED QString KLineEdit::clickMessage() const { return placeholderText(); } #endif void KLineEdit::setClearButtonShown(bool show) { setClearButtonEnabled(show); } bool KLineEdit::isClearButtonShown() const { return isClearButtonEnabled(); } QSize KLineEdit::clearButtonUsedSize() const { Q_D(const KLineEdit); QSize s; if (isClearButtonEnabled()) { // from qlineedit_p.cpp const int iconSize = height() < 34 ? 16 : 32; const int buttonWidth = iconSize + 6; const int buttonHeight = iconSize + 2; s = QSize(buttonWidth, buttonHeight); } return s; } void KLineEdit::setCompletionMode(KCompletion::CompletionMode mode) { Q_D(KLineEdit); KCompletion::CompletionMode oldMode = completionMode(); if (oldMode != mode && (oldMode == KCompletion::CompletionPopup || oldMode == KCompletion::CompletionPopupAuto) && d->completionBox && d->completionBox->isVisible()) { d->completionBox->hide(); } // If the widgets echo mode is not Normal, no completion // feature will be enabled even if one is requested. if (echoMode() != QLineEdit::Normal) { mode = KCompletion::CompletionNone; // Override the request. } if (!KAuthorized::authorize(QStringLiteral("lineedit_text_completion"))) { mode = KCompletion::CompletionNone; } if (mode == KCompletion::CompletionPopupAuto || mode == KCompletion::CompletionAuto || mode == KCompletion::CompletionMan) { d->autoSuggest = true; } else { d->autoSuggest = false; } KCompletionBase::setCompletionMode(mode); } void KLineEdit::setCompletionModeDisabled(KCompletion::CompletionMode mode, bool disable) { Q_D(KLineEdit); d->disableCompletionMap[ mode ] = disable; } void KLineEdit::setCompletedText(const QString &t, bool marked) { Q_D(KLineEdit); if (!d->autoSuggest) { return; } const QString txt = text(); if (t != txt) { setText(t); if (marked) { setSelection(t.length(), txt.length() - t.length()); } setUserSelection(false); } else { setUserSelection(true); } } void KLineEdit::setCompletedText(const QString &text) { KCompletion::CompletionMode mode = completionMode(); const bool marked = (mode == KCompletion::CompletionAuto || mode == KCompletion::CompletionMan || mode == KCompletion::CompletionPopup || mode == KCompletion::CompletionPopupAuto); setCompletedText(text, marked); } void KLineEdit::rotateText(KCompletionBase::KeyBindingType type) { KCompletion *comp = compObj(); if (comp && (type == KCompletionBase::PrevCompletionMatch || type == KCompletionBase::NextCompletionMatch)) { QString input; if (type == KCompletionBase::PrevCompletionMatch) { input = comp->previousMatch(); } else { input = comp->nextMatch(); } // Skip rotation if previous/next match is null or the same text if (input.isEmpty() || input == displayText()) { return; } setCompletedText(input, hasSelectedText()); } } void KLineEdit::makeCompletion(const QString &text) { Q_D(KLineEdit); KCompletion *comp = compObj(); KCompletion::CompletionMode mode = completionMode(); if (!comp || mode == KCompletion::CompletionNone) { return; // No completion object... } const QString match = comp->makeCompletion(text); if (mode == KCompletion::CompletionPopup || mode == KCompletion::CompletionPopupAuto) { if (match.isEmpty()) { if (d->completionBox) { d->completionBox->hide(); d->completionBox->clear(); } } else { setCompletedItems(comp->allMatches()); } } else { // Auto, ShortAuto (Man) and Shell // all other completion modes // If no match or the same match, simply return without completing. if (match.isEmpty() || match == text) { return; } if (mode != KCompletion::CompletionShell) { setUserSelection(false); } if (d->autoSuggest) { setCompletedText(match); } } } void KLineEdit::setReadOnly(bool readOnly) { Q_D(KLineEdit); // Do not do anything if nothing changed... if (readOnly == isReadOnly()) { return; } QLineEdit::setReadOnly(readOnly); if (readOnly) { d->bgRole = backgroundRole(); setBackgroundRole(QPalette::Window); if (d->enableSqueezedText && d->squeezedText.isEmpty()) { d->squeezedText = text(); d->setSqueezedText(); } } else { if (!d->squeezedText.isEmpty()) { setText(d->squeezedText); d->squeezedText.clear(); } setBackgroundRole(d->bgRole); } } void KLineEdit::setSqueezedText(const QString &text) { setSqueezedTextEnabled(true); setText(text); } void KLineEdit::setSqueezedTextEnabled(bool enable) { Q_D(KLineEdit); d->enableSqueezedText = enable; } bool KLineEdit::isSqueezedTextEnabled() const { Q_D(const KLineEdit); return d->enableSqueezedText; } void KLineEdit::setText(const QString &text) { Q_D(KLineEdit); if (d->enableSqueezedText && isReadOnly()) { d->squeezedText = text; d->setSqueezedText(); return; } QLineEdit::setText(text); } void KLineEditPrivate::setSqueezedText() { Q_Q(KLineEdit); squeezedStart = 0; squeezedEnd = 0; const QString fullText = squeezedText; const int fullLength = fullText.length(); const QFontMetrics fm(q->fontMetrics()); const int labelWidth = q->size().width() - 2 * q->style()->pixelMetric(QStyle::PM_DefaultFrameWidth) - 2; const int textWidth = fm.width(fullText); if (textWidth > labelWidth) { // start with the dots only QString squeezedText = QStringLiteral("..."); int squeezedWidth = fm.width(squeezedText); // estimate how many letters we can add to the dots on both sides int letters = fullText.length() * (labelWidth - squeezedWidth) / textWidth / 2; squeezedText = fullText.left(letters) + "..." + fullText.right(letters); squeezedWidth = fm.width(squeezedText); if (squeezedWidth < labelWidth) { // we estimated too short // add letters while text < label do { letters++; squeezedText = fullText.left(letters) + "..." + fullText.right(letters); squeezedWidth = fm.width(squeezedText); } while (squeezedWidth < labelWidth && letters <= fullLength / 2); letters--; squeezedText = fullText.left(letters) + "..." + fullText.right(letters); } else if (squeezedWidth > labelWidth) { // we estimated too long // remove letters while text > label do { letters--; squeezedText = fullText.left(letters) + "..." + fullText.right(letters); squeezedWidth = fm.width(squeezedText); } while (squeezedWidth > labelWidth && letters >= 5); } if (letters < 5) { // too few letters added -> we give up squeezing q->QLineEdit::setText(fullText); } else { q->QLineEdit::setText(squeezedText); squeezedStart = letters; squeezedEnd = fullText.length() - letters; } q->setToolTip(fullText); } else { q->QLineEdit::setText(fullText); q->setToolTip(QLatin1String("")); QToolTip::showText(q->pos(), QString()); // hide } q->setCursorPosition(0); } void KLineEdit::copy() const { Q_D(const KLineEdit); if (!d->copySqueezedText(true)) { QLineEdit::copy(); } } bool KLineEditPrivate::copySqueezedText(bool copy) const { Q_Q(const KLineEdit); if (!squeezedText.isEmpty() && squeezedStart) { KLineEdit *that = const_cast(q); if (!that->hasSelectedText()) { return false; } int start = q->selectionStart(), end = start + q->selectedText().length(); if (start >= squeezedStart + 3) { start = start - 3 - squeezedStart + squeezedEnd; } else if (start > squeezedStart) { start = squeezedStart; } if (end >= squeezedStart + 3) { end = end - 3 - squeezedStart + squeezedEnd; } else if (end > squeezedStart) { end = squeezedEnd; } if (start == end) { return false; } QString t = squeezedText; t = t.mid(start, end - start); q->disconnect(QApplication::clipboard(), SIGNAL(selectionChanged()), q, nullptr); QApplication::clipboard()->setText(t, copy ? QClipboard::Clipboard : QClipboard::Selection); q->connect(QApplication::clipboard(), SIGNAL(selectionChanged()), q, SLOT(_q_clipboardChanged())); return true; } return false; } void KLineEdit::resizeEvent(QResizeEvent *ev) { Q_D(KLineEdit); if (!d->squeezedText.isEmpty()) { d->setSqueezedText(); } QLineEdit::resizeEvent(ev); } void KLineEdit::keyPressEvent(QKeyEvent *e) { Q_D(KLineEdit); const int key = e->key() | e->modifiers(); if (KStandardShortcut::copy().contains(key)) { copy(); return; } else if (KStandardShortcut::paste().contains(key)) { // TODO: // we should restore the original text (not autocompleted), otherwise the paste // will get into troubles Bug: 134691 if (!isReadOnly()) { paste(); } return; } else if (KStandardShortcut::pasteSelection().contains(key)) { QString text = QApplication::clipboard()->text(QClipboard::Selection); insert(text); deselect(); return; } else if (KStandardShortcut::cut().contains(key)) { if (!isReadOnly()) { cut(); } return; } else if (KStandardShortcut::undo().contains(key)) { if (!isReadOnly()) { undo(); } return; } else if (KStandardShortcut::redo().contains(key)) { if (!isReadOnly()) { redo(); } return; } else if (KStandardShortcut::deleteWordBack().contains(key)) { cursorWordBackward(true); if (hasSelectedText() && !isReadOnly()) { del(); } e->accept(); return; } else if (KStandardShortcut::deleteWordForward().contains(key)) { // Workaround for QT bug where cursorWordForward(true); if (hasSelectedText() && !isReadOnly()) { del(); } e->accept(); return; } else if (KStandardShortcut::backwardWord().contains(key)) { cursorWordBackward(false); e->accept(); return; } else if (KStandardShortcut::forwardWord().contains(key)) { cursorWordForward(false); e->accept(); return; } else if (KStandardShortcut::beginningOfLine().contains(key)) { home(false); e->accept(); return; } else if (KStandardShortcut::endOfLine().contains(key)) { end(false); e->accept(); return; } // Filter key-events if EchoMode is normal and // completion mode is not set to CompletionNone if (echoMode() == QLineEdit::Normal && completionMode() != KCompletion::CompletionNone) { if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) { const bool trap = (d->completionBox && d->completionBox->isVisible()); const bool stopEvent = (trap || (d->trapReturnKeyEvents && (e->modifiers() == Qt::NoButton || e->modifiers() == Qt::KeypadModifier))); if (stopEvent) { emit QLineEdit::returnPressed(); e->accept(); } emit returnPressed(displayText()); if (trap) { d->completionBox->hide(); deselect(); setCursorPosition(text().length()); } // Eat the event if the user asked for it, or if a completionbox was visible if (stopEvent) { return; } } const KeyBindingMap keys = keyBindingMap(); const KCompletion::CompletionMode mode = completionMode(); const bool noModifier = (e->modifiers() == Qt::NoButton || e->modifiers() == Qt::ShiftModifier || e->modifiers() == Qt::KeypadModifier); if ((mode == KCompletion::CompletionAuto || mode == KCompletion::CompletionPopupAuto || mode == KCompletion::CompletionMan) && noModifier) { if (!d->userSelection && hasSelectedText() && (e->key() == Qt::Key_Right || e->key() == Qt::Key_Left) && e->modifiers() == Qt::NoButton) { const QString old_txt = text(); d->disableRestoreSelection = true; const int start = selectionStart(); deselect(); QLineEdit::keyPressEvent(e); const int cPosition = cursorPosition(); setText(old_txt); // keep cursor at cPosition setSelection(old_txt.length(), cPosition - old_txt.length()); if (e->key() == Qt::Key_Right && cPosition > start) { //the user explicitly accepted the autocompletion d->updateUserText(text()); } d->disableRestoreSelection = false; return; } if (e->key() == Qt::Key_Escape) { if (hasSelectedText() && !d->userSelection) { del(); setUserSelection(true); } // Don't swallow the Escape press event for the case // of dialogs, which have Escape associated to Cancel e->ignore(); return; } } if ((mode == KCompletion::CompletionAuto || mode == KCompletion::CompletionMan) && noModifier) { const QString keycode = e->text(); if (!keycode.isEmpty() && (keycode.unicode()->isPrint() || e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete)) { const bool hasUserSelection = d->userSelection; const bool hadSelection = hasSelectedText(); bool cursorNotAtEnd = false; const int start = selectionStart(); const int cPos = cursorPosition(); // When moving the cursor, we want to keep the autocompletion as an // autocompletion, so we want to process events at the cursor position // as if there was no selection. After processing the key event, we // can set the new autocompletion again. if (hadSelection && !hasUserSelection && start > cPos) { del(); setCursorPosition(cPos); cursorNotAtEnd = true; } d->disableRestoreSelection = true; QLineEdit::keyPressEvent(e); d->disableRestoreSelection = false; QString txt = text(); int len = txt.length(); if (!hasSelectedText() && len /*&& cursorPosition() == len */) { if (e->key() == Qt::Key_Backspace) { if (hadSelection && !hasUserSelection && !cursorNotAtEnd) { backspace(); txt = text(); len = txt.length(); } if (!d->s_backspacePerformsCompletion || !len) { d->autoSuggest = false; } } if (e->key() == Qt::Key_Delete) { d->autoSuggest = false; } doCompletion(txt); if ((e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete)) { d->autoSuggest = true; } e->accept(); } return; } } else if ((mode == KCompletion::CompletionPopup || mode == KCompletion::CompletionPopupAuto) && noModifier && !e->text().isEmpty()) { const QString old_txt = text(); const bool hasUserSelection = d->userSelection; const bool hadSelection = hasSelectedText(); bool cursorNotAtEnd = false; const int start = selectionStart(); const int cPos = cursorPosition(); const QString keycode = e->text(); // When moving the cursor, we want to keep the autocompletion as an // autocompletion, so we want to process events at the cursor position // as if there was no selection. After processing the key event, we // can set the new autocompletion again. if (hadSelection && !hasUserSelection && start > cPos && ((!keycode.isEmpty() && keycode.unicode()->isPrint()) || e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete)) { del(); setCursorPosition(cPos); cursorNotAtEnd = true; } const int selectedLength = selectedText().length(); d->disableRestoreSelection = true; QLineEdit::keyPressEvent(e); d->disableRestoreSelection = false; if ((selectedLength != selectedText().length()) && !hasUserSelection) { d->_k_restoreSelectionColors(); // and set userSelection to true } QString txt = text(); int len = txt.length(); if ((txt != old_txt || txt != e->text()) && len/* && ( cursorPosition() == len || force )*/ && ((!keycode.isEmpty() && keycode.unicode()->isPrint()) || e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete)) { if (e->key() == Qt::Key_Backspace) { if (hadSelection && !hasUserSelection && !cursorNotAtEnd) { backspace(); txt = text(); len = txt.length(); } if (!d->s_backspacePerformsCompletion) { d->autoSuggest = false; } } if (e->key() == Qt::Key_Delete) { d->autoSuggest = false; } if (d->completionBox) { d->completionBox->setCancelledText(txt); } doCompletion(txt); if ((e->key() == Qt::Key_Backspace || e->key() == Qt::Key_Delete) && mode == KCompletion::CompletionPopupAuto) { d->autoSuggest = true; } e->accept(); } else if (!len && d->completionBox && d->completionBox->isVisible()) { d->completionBox->hide(); } return; } else if (mode == KCompletion::CompletionShell) { // Handles completion. QList cut; if (keys[TextCompletion].isEmpty()) { cut = KStandardShortcut::shortcut(KStandardShortcut::TextCompletion); } else { cut = keys[TextCompletion]; } if (cut.contains(key)) { // Emit completion if the completion mode is CompletionShell // and the cursor is at the end of the string. const QString txt = text(); const int len = txt.length(); if (cursorPosition() == len && len != 0) { doCompletion(txt); return; } } else if (d->completionBox) { d->completionBox->hide(); } } // handle rotation // Handles previous match QList cut; if (keys[PrevCompletionMatch].isEmpty()) { cut = KStandardShortcut::shortcut(KStandardShortcut::PrevCompletion); } else { cut = keys[PrevCompletionMatch]; } if (cut.contains(key)) { if (emitSignals()) { emit textRotation(KCompletionBase::PrevCompletionMatch); } if (handleSignals()) { rotateText(KCompletionBase::PrevCompletionMatch); } return; } // Handles next match if (keys[NextCompletionMatch].isEmpty()) { cut = KStandardShortcut::shortcut(KStandardShortcut::NextCompletion); } else { cut = keys[NextCompletionMatch]; } if (cut.contains(key)) { if (emitSignals()) { emit textRotation(KCompletionBase::NextCompletionMatch); } if (handleSignals()) { rotateText(KCompletionBase::NextCompletionMatch); } return; } // substring completion if (compObj()) { QList cut; if (keys[SubstringCompletion].isEmpty()) { cut = KStandardShortcut::shortcut(KStandardShortcut::SubstringCompletion); } else { cut = keys[SubstringCompletion]; } if (cut.contains(key)) { if (emitSignals()) { emit substringCompletion(text()); } if (handleSignals()) { setCompletedItems(compObj()->substringCompletion(text())); e->accept(); } return; } } } const int selectedLength = selectedText().length(); // Let QLineEdit handle any other keys events. QLineEdit::keyPressEvent(e); if (selectedLength != selectedText().length()) { d->_k_restoreSelectionColors(); // and set userSelection to true } } void KLineEdit::mouseDoubleClickEvent(QMouseEvent *e) { Q_D(KLineEdit); if (e->button() == Qt::LeftButton) { d->possibleTripleClick = true; QTimer::singleShot(QApplication::doubleClickInterval(), this, SLOT(_k_tripleClickTimeout())); } QLineEdit::mouseDoubleClickEvent(e); } void KLineEdit::mousePressEvent(QMouseEvent *e) { Q_D(KLineEdit); if (e->button() == Qt::LeftButton && d->possibleTripleClick) { selectAll(); e->accept(); return; } // if middle clicking and if text is present in the clipboard then clear the selection // to prepare paste operation if (e->button() == Qt::MidButton) { if (hasSelectedText() && !isReadOnly()) { if (QApplication::clipboard()->text(QClipboard::Selection).length() > 0) { backspace(); } } } QLineEdit::mousePressEvent(e); } void KLineEdit::mouseReleaseEvent(QMouseEvent *e) { Q_D(KLineEdit); QLineEdit::mouseReleaseEvent(e); if (QApplication::clipboard()->supportsSelection()) { if (e->button() == Qt::LeftButton) { // Fix copying of squeezed text if needed d->copySqueezedText(false); } } } void KLineEditPrivate::_k_tripleClickTimeout() { possibleTripleClick = false; } QMenu *KLineEdit::createStandardContextMenu() { Q_D(KLineEdit); QMenu *popup = QLineEdit::createStandardContextMenu(); if (!isReadOnly()) { // FIXME: This code depends on Qt's action ordering. const QList actionList = popup->actions(); enum { UndoAct, RedoAct, Separator1, CutAct, CopyAct, PasteAct, DeleteAct, ClearAct, Separator2, SelectAllAct, NCountActs }; QAction *separatorAction = nullptr; // separator we want is right after Delete right now. const int idx = actionList.indexOf(actionList[DeleteAct]) + 1; if (idx < actionList.count()) { separatorAction = actionList.at(idx); } if (separatorAction) { QAction *clearAllAction = new QAction(QIcon::fromTheme(QStringLiteral("edit-clear")), tr("C&lear"), this); clearAllAction->setShortcuts(QKeySequence::keyBindings(QKeySequence::DeleteCompleteLine)); connect(clearAllAction, &QAction::triggered, this, &QLineEdit::clear); if (text().isEmpty()) { clearAllAction->setEnabled(false); } popup->insertAction(separatorAction, clearAllAction); } } // If a completion object is present and the input // widget is not read-only, show the Text Completion // menu item. if (compObj() && !isReadOnly() && KAuthorized::authorize(QStringLiteral("lineedit_text_completion"))) { QMenu *subMenu = popup->addMenu(QIcon::fromTheme(QStringLiteral("text-completion")), tr("Text Completion", "@title:menu")); connect(subMenu, SIGNAL(triggered(QAction*)), this, SLOT(_k_completionMenuActivated(QAction*))); popup->addSeparator(); QActionGroup *ag = new QActionGroup(this); d->noCompletionAction = ag->addAction(tr("None", "@item:inmenu Text Completion")); d->shellCompletionAction = ag->addAction(tr("Manual", "@item:inmenu Text Completion")); d->autoCompletionAction = ag->addAction(tr("Automatic", "@item:inmenu Text Completion")); d->popupCompletionAction = ag->addAction(tr("Dropdown List", "@item:inmenu Text Completion")); d->shortAutoCompletionAction = ag->addAction(tr("Short Automatic", "@item:inmenu Text Completion")); d->popupAutoCompletionAction = ag->addAction(tr("Dropdown List && Automatic", "@item:inmenu Text Completion")); subMenu->addActions(ag->actions()); //subMenu->setAccel( KStandardShortcut::completion(), ShellCompletion ); d->shellCompletionAction->setCheckable(true); d->noCompletionAction->setCheckable(true); d->popupCompletionAction->setCheckable(true); d->autoCompletionAction->setCheckable(true); d->shortAutoCompletionAction->setCheckable(true); d->popupAutoCompletionAction->setCheckable(true); d->shellCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionShell ]); d->noCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionNone ]); d->popupCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionPopup ]); d->autoCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionAuto ]); d->shortAutoCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionMan ]); d->popupAutoCompletionAction->setEnabled(!d->disableCompletionMap[ KCompletion::CompletionPopupAuto ]); const KCompletion::CompletionMode mode = completionMode(); d->noCompletionAction->setChecked(mode == KCompletion::CompletionNone); d->shellCompletionAction->setChecked(mode == KCompletion::CompletionShell); d->popupCompletionAction->setChecked(mode == KCompletion::CompletionPopup); d->autoCompletionAction->setChecked(mode == KCompletion::CompletionAuto); d->shortAutoCompletionAction->setChecked(mode == KCompletion::CompletionMan); d->popupAutoCompletionAction->setChecked(mode == KCompletion::CompletionPopupAuto); const KCompletion::CompletionMode defaultMode = KCompletion::CompletionPopup; if (mode != defaultMode && !d->disableCompletionMap[ defaultMode ]) { subMenu->addSeparator(); d->defaultAction = subMenu->addAction(tr("Default", "@item:inmenu Text Completion")); } } return popup; } void KLineEdit::contextMenuEvent(QContextMenuEvent *e) { if (QLineEdit::contextMenuPolicy() != Qt::DefaultContextMenu) { return; } QMenu *popup = createStandardContextMenu(); // ### do we really need this? Yes, Please do not remove! This // allows applications to extend the popup menu without having to // inherit from this class! (DA) emit aboutToShowContextMenu(popup); popup->exec(e->globalPos()); delete popup; } void KLineEditPrivate::_k_completionMenuActivated(QAction *act) { Q_Q(KLineEdit); KCompletion::CompletionMode oldMode = q->completionMode(); if (act == noCompletionAction) { q->setCompletionMode(KCompletion::CompletionNone); } else if (act == shellCompletionAction) { q->setCompletionMode(KCompletion::CompletionShell); } else if (act == autoCompletionAction) { q->setCompletionMode(KCompletion::CompletionAuto); } else if (act == popupCompletionAction) { q->setCompletionMode(KCompletion::CompletionPopup); } else if (act == shortAutoCompletionAction) { q->setCompletionMode(KCompletion::CompletionMan); } else if (act == popupAutoCompletionAction) { q->setCompletionMode(KCompletion::CompletionPopupAuto); } else if (act == defaultAction) { q->setCompletionMode(KCompletion::CompletionPopup); } else { return; } if (oldMode != q->completionMode()) { if ((oldMode == KCompletion::CompletionPopup || oldMode == KCompletion::CompletionPopupAuto) && completionBox && completionBox->isVisible()) { completionBox->hide(); } emit q->completionModeChanged(q->completionMode()); } } bool KLineEdit::event(QEvent *ev) { Q_D(KLineEdit); KCursor::autoHideEventFilter(this, ev); if (ev->type() == QEvent::ShortcutOverride) { QKeyEvent *e = static_cast(ev); if (d->overrideShortcut(e)) { ev->accept(); } } else if (ev->type() == QEvent::ApplicationPaletteChange || ev->type() == QEvent::PaletteChange) { // Assume the widget uses the application's palette QPalette p = QApplication::palette(); d->previousHighlightedTextColor = p.color(QPalette::Normal, QPalette::HighlightedText); d->previousHighlightColor = p.color(QPalette::Normal, QPalette::Highlight); setUserSelection(d->userSelection); } else if (ev->type() == QEvent::ChildAdded) { QObject *obj = static_cast(ev)->child(); if (obj) { connect(obj, &QObject::objectNameChanged, this, [this, obj] { if (obj->objectName() == QLatin1String("_q_qlineeditclearaction")) { QAction *action = qobject_cast(obj); connect(action, &QAction::triggered, this, &KLineEdit::clearButtonClicked); } }); } } return QLineEdit::event(ev); } #ifndef KCOMPLETION_NO_DEPRECATED void KLineEdit::setUrlDropsEnabled(bool enable) { Q_D(KLineEdit); if (enable && !d->handleURLDrops) { installEventFilter(d->urlDropEventFilter); d->handleURLDrops = true; } else if (!enable && d->handleURLDrops) { removeEventFilter(d->urlDropEventFilter); d->handleURLDrops = false; } } #endif bool KLineEdit::urlDropsEnabled() const { Q_D(const KLineEdit); return d->handleURLDrops; } void KLineEdit::setTrapReturnKey(bool trap) { Q_D(KLineEdit); d->trapReturnKeyEvents = trap; } bool KLineEdit::trapReturnKey() const { Q_D(const KLineEdit); return d->trapReturnKeyEvents; } void KLineEdit::setUrl(const QUrl &url) { setText(url.toDisplayString()); } void KLineEdit::setCompletionBox(KCompletionBox *box) { Q_D(KLineEdit); if (d->completionBox) { return; } d->completionBox = box; if (handleSignals()) { connect(d->completionBox, SIGNAL(currentTextChanged(QString)), SLOT(_k_completionBoxTextChanged(QString))); connect(d->completionBox, &KCompletionBox::userCancelled, this, &KLineEdit::userCancelled); connect(d->completionBox, SIGNAL(activated(QString)), SIGNAL(completionBoxActivated(QString))); connect(d->completionBox, SIGNAL(activated(QString)), SIGNAL(textEdited(QString))); } } /* * Set the line edit text without changing the modified flag. By default * calling setText resets the modified flag to false. */ static void setEditText(KLineEdit *edit, const QString &text) { if (!edit) { return; } const bool wasModified = edit->isModified(); edit->setText(text); edit->setModified(wasModified); } void KLineEdit::userCancelled(const QString &cancelText) { Q_D(KLineEdit); if (completionMode() != KCompletion::CompletionPopupAuto) { setEditText(this, cancelText); } else if (hasSelectedText()) { if (d->userSelection) { deselect(); } else { d->autoSuggest = false; const int start = selectionStart(); const QString s = text().remove(selectionStart(), selectedText().length()); setEditText(this, s); setCursorPosition(start); d->autoSuggest = true; } } } bool KLineEditPrivate::overrideShortcut(const QKeyEvent *e) { Q_Q(KLineEdit); QList scKey; const int key = e->key() | e->modifiers(); const KLineEdit::KeyBindingMap keys = q->keyBindingMap(); if (keys[KLineEdit::TextCompletion].isEmpty()) { scKey = KStandardShortcut::shortcut(KStandardShortcut::TextCompletion); } else { scKey = keys[KLineEdit::TextCompletion]; } if (scKey.contains(key)) { return true; } if (keys[KLineEdit::NextCompletionMatch].isEmpty()) { scKey = KStandardShortcut::shortcut(KStandardShortcut::NextCompletion); } else { scKey = keys[KLineEdit::NextCompletionMatch]; } if (scKey.contains(key)) { return true; } if (keys[KLineEdit::PrevCompletionMatch].isEmpty()) { scKey = KStandardShortcut::shortcut(KStandardShortcut::PrevCompletion); } else { scKey = keys[KLineEdit::PrevCompletionMatch]; } if (scKey.contains(key)) { return true; } // Override all the text manupilation accelerators... if (KStandardShortcut::copy().contains(key)) { return true; } else if (KStandardShortcut::paste().contains(key)) { return true; } else if (KStandardShortcut::cut().contains(key)) { return true; } else if (KStandardShortcut::undo().contains(key)) { return true; } else if (KStandardShortcut::redo().contains(key)) { return true; } else if (KStandardShortcut::deleteWordBack().contains(key)) { return true; } else if (KStandardShortcut::deleteWordForward().contains(key)) { return true; } else if (KStandardShortcut::forwardWord().contains(key)) { return true; } else if (KStandardShortcut::backwardWord().contains(key)) { return true; } else if (KStandardShortcut::beginningOfLine().contains(key)) { return true; } else if (KStandardShortcut::endOfLine().contains(key)) { return true; } // Shortcut overrides for shortcuts that QLineEdit handles // but doesn't dare force as "stronger than kaction shortcuts"... else if (e->matches(QKeySequence::SelectAll)) { return true; } else if (qApp->platformName() == QLatin1String("xcb") && (key == Qt::CTRL + Qt::Key_E || key == Qt::CTRL + Qt::Key_U)) { return true; } if (completionBox && completionBox->isVisible()) { const int key = e->key(); const Qt::KeyboardModifiers modifiers = e->modifiers(); if ((key == Qt::Key_Backtab || key == Qt::Key_Tab) && (modifiers == Qt::NoModifier || (modifiers & Qt::ShiftModifier))) { return true; } } return false; } void KLineEdit::setCompletedItems(const QStringList &items, bool autoSuggest) { Q_D(KLineEdit); QString txt; if (d->completionBox && d->completionBox->isVisible()) { // The popup is visible already - do the matching on the initial string, // not on the currently selected one. txt = completionBox()->cancelledText(); } else { txt = text(); } if (!items.isEmpty() && !(items.count() == 1 && txt == items.first())) { // create completion box if non-existent completionBox(); if (d->completionBox->isVisible()) { QListWidgetItem *currentItem = d->completionBox->currentItem(); QString currentSelection; if (currentItem != nullptr) { currentSelection = currentItem->text(); } d->completionBox->setItems(items); const QList matchedItems = d->completionBox->findItems(currentSelection, Qt::MatchExactly); QListWidgetItem *matchedItem = matchedItems.isEmpty() ? nullptr : matchedItems.first(); if (matchedItem) { const bool blocked = d->completionBox->blockSignals(true); d->completionBox->setCurrentItem(matchedItem); d->completionBox->blockSignals(blocked); } else { d->completionBox->setCurrentRow(-1); } } else { // completion box not visible yet -> show it if (!txt.isEmpty()) { d->completionBox->setCancelledText(txt); } d->completionBox->setItems(items); d->completionBox->popup(); } if (d->autoSuggest && autoSuggest) { const int index = items.first().indexOf(txt); const QString newText = items.first().mid(index); setUserSelection(false); // can be removed? setCompletedText sets it anyway setCompletedText(newText, true); } } else { if (d->completionBox && d->completionBox->isVisible()) { d->completionBox->hide(); } } } KCompletionBox *KLineEdit::completionBox(bool create) { Q_D(KLineEdit); if (create && !d->completionBox) { setCompletionBox(new KCompletionBox(this)); d->completionBox->setObjectName(QStringLiteral("completion box")); d->completionBox->setFont(font()); } return d->completionBox; } void KLineEdit::setCompletionObject(KCompletion *comp, bool handle) { KCompletion *oldComp = compObj(); if (oldComp && handleSignals()) disconnect(oldComp, SIGNAL(matches(QStringList)), this, SLOT(setCompletedItems(QStringList))); if (comp && handle) connect(comp, SIGNAL(matches(QStringList)), this, SLOT(setCompletedItems(QStringList))); KCompletionBase::setCompletionObject(comp, handle); } void KLineEdit::setUserSelection(bool userSelection) { Q_D(KLineEdit); //if !d->userSelection && userSelection we are accepting a completion, //so trigger an update if (!d->userSelection && userSelection) { d->updateUserText(text()); } QPalette p = palette(); if (userSelection) { p.setColor(QPalette::Highlight, d->previousHighlightColor); p.setColor(QPalette::HighlightedText, d->previousHighlightedTextColor); } else { QColor color = p.color(QPalette::Disabled, QPalette::Text); p.setColor(QPalette::HighlightedText, color); color = p.color(QPalette::Active, QPalette::Base); p.setColor(QPalette::Highlight, color); } d->userSelection = userSelection; setPalette(p); } void KLineEditPrivate::_k_restoreSelectionColors() { Q_Q(KLineEdit); if (disableRestoreSelection) { return; } q->setUserSelection(true); } void KLineEditPrivate::_k_completionBoxTextChanged(const QString &text) { Q_Q(KLineEdit); if (!text.isEmpty()) { q->setText(text); q->setModified(true); q->end(false); // force cursor at end } } QString KLineEdit::originalText() const { Q_D(const KLineEdit); if (d->enableSqueezedText && isReadOnly()) { return d->squeezedText; } return text(); } QString KLineEdit::userText() const { Q_D(const KLineEdit); return d->userText; } bool KLineEdit::autoSuggest() const { Q_D(const KLineEdit); return d->autoSuggest; } void KLineEdit::paintEvent(QPaintEvent *ev) { Q_D(KLineEdit); if (echoMode() == Password && d->threeStars) { // ### hack alert! // QLineEdit has currently no hooks to modify the displayed string. // When we call setText(), an update() is triggered and we get // into an infinite recursion. // Qt offers the setUpdatesEnabled() method, but when we re-enable // them, update() is triggered, and we get into the same recursion. // To work around this problem, we set/clear the internal Qt flag which // marks the updatesDisabled state manually. setAttribute(Qt::WA_UpdatesDisabled, true); blockSignals(true); const QString oldText = text(); const bool isModifiedState = isModified(); // save modified state because setText resets it setText(oldText + oldText + oldText); QLineEdit::paintEvent(ev); setText(oldText); setModified(isModifiedState); blockSignals(false); setAttribute(Qt::WA_UpdatesDisabled, false); } else { QLineEdit::paintEvent(ev); } } #ifndef KCOMPLETION_NO_DEPRECATED void KLineEdit::setClickMessage(const QString &msg) { setPlaceholderText(msg); } #endif #ifndef KCOMPLETION_NO_DEPRECATED void KLineEdit::setContextMenuEnabled(bool showMenu) { QLineEdit::setContextMenuPolicy(showMenu ? Qt::DefaultContextMenu : Qt::NoContextMenu); } #endif #ifndef KCOMPLETION_NO_DEPRECATED bool KLineEdit::isContextMenuEnabled() const { return (contextMenuPolicy() == Qt::DefaultContextMenu); } #endif void KLineEdit::setPasswordMode(bool passwordMode) { Q_D(KLineEdit); if (passwordMode) { KConfigGroup cg(KSharedConfig::openConfig(), "Passwords"); const QString val = cg.readEntry("EchoMode", "OneStar"); if (val == QLatin1String("NoEcho")) { setEchoMode(NoEcho); } else { d->threeStars = (val == QLatin1String("ThreeStars")); setEchoMode(Password); } } else { setEchoMode(Normal); } } bool KLineEdit::passwordMode() const { return echoMode() == NoEcho || echoMode() == Password; } void KLineEdit::doCompletion(const QString &text) { Q_D(KLineEdit); if (emitSignals()) { emit completion(text); // emit when requested... } d->completionRunning = true; if (handleSignals()) { makeCompletion(text); // handle when requested... } d->completionRunning = false; } #include "moc_klineedit.cpp" -#include "moc_klineedit_p.cpp"