diff options
Diffstat (limited to 'src/widgets/widgets/qwidgetlinecontrol.cpp')
| -rw-r--r-- | src/widgets/widgets/qwidgetlinecontrol.cpp | 215 |
1 files changed, 101 insertions, 114 deletions
diff --git a/src/widgets/widgets/qwidgetlinecontrol.cpp b/src/widgets/widgets/qwidgetlinecontrol.cpp index 08f3133b96..ce1b8706ae 100644 --- a/src/widgets/widgets/qwidgetlinecontrol.cpp +++ b/src/widgets/widgets/qwidgetlinecontrol.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWidgets module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qwidgetlinecontrol_p.h" @@ -49,7 +13,7 @@ #endif #include <qpa/qplatformtheme.h> #include <qstylehints.h> -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) #include "qaccessible.h" #endif @@ -98,7 +62,7 @@ void QWidgetLineControl::updateDisplayText(bool forceUpdate) if (m_echoMode == QLineEdit::Password) { str.fill(m_passwordCharacter); - if (m_passwordEchoTimer != 0 && m_cursor > 0 && m_cursor <= m_text.length()) { + if (m_passwordEchoTimer != 0 && m_cursor > 0 && m_cursor <= m_text.size()) { int cursor = m_cursor - 1; QChar uc = m_text.at(cursor); str[cursor] = uc; @@ -118,11 +82,10 @@ void QWidgetLineControl::updateDisplayText(bool forceUpdate) // drawing boxes when using fonts that don't have glyphs for such // characters) QChar* uc = str.data(); - for (int i = 0; i < (int)str.length(); ++i) { + for (int i = 0; i < (int)str.size(); ++i) { if ((uc[i].unicode() < 0x20 && uc[i].unicode() != 0x09) || uc[i] == QChar::LineSeparator - || uc[i] == QChar::ParagraphSeparator - || uc[i] == QChar::ObjectReplacementCharacter) + || uc[i] == QChar::ParagraphSeparator) uc[i] = QChar(0x0020); } @@ -278,7 +241,7 @@ void QWidgetLineControl::clear() { int priorState = m_undoState; m_selstart = 0; - m_selend = m_text.length(); + m_selend = m_text.size(); removeSelectedText(); separate(); finishChange(priorState, /*update*/false, /*edited*/false); @@ -322,7 +285,7 @@ void QWidgetLineControl::setSelection(int start, int length) if (start == m_selstart && start + length == m_selend && m_cursor == m_selend) return; m_selstart = start; - m_selend = qMin(start + length, (int)m_text.length()); + m_selend = qMin(start + length, (int)m_text.size()); m_cursor = m_selend; } else if (length < 0){ if (start == m_selend && start + length == m_selstart && m_cursor == m_selstart) @@ -365,7 +328,7 @@ void QWidgetLineControl::init(const QString &txt) m_textLayout.setCacheEnabled(true); m_text = txt; updateDisplayText(); - m_cursor = m_text.length(); + m_cursor = m_text.size(); if (const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) { m_keyboardScheme = theme->themeHint(QPlatformTheme::KeyboardScheme).toInt(); m_passwordMaskDelay = theme->themeHint(QPlatformTheme::PasswordMaskDelay).toInt(); @@ -419,7 +382,7 @@ QRect QWidgetLineControl::rectForPos(int pos) const int w = m_cursorWidth; int ch = l.height() + 1; - return QRect(cix-5, 0, w+9, ch); + return QRect(cix - 5, 0, w + 9, ch); } /*! @@ -527,14 +490,14 @@ void QWidgetLineControl::processInputMethodEvent(QInputMethodEvent *event) if (echoMode() == QLineEdit::PasswordEchoOnEdit && !passwordEchoEditing()) { updatePasswordEchoEditing(true); m_selstart = 0; - m_selend = m_text.length(); + m_selend = m_text.size(); } removeSelectedText(); } int c = m_cursor; // cursor position after insertion of commit string if (event->replacementStart() <= 0) - c += event->commitString().length() - qMin(-event->replacementStart(), event->replacementLength()); + c += event->commitString().size() - qMin(-event->replacementStart(), event->replacementLength()); m_cursor += event->replacementStart(); if (m_cursor < 0) @@ -550,15 +513,15 @@ void QWidgetLineControl::processInputMethodEvent(QInputMethodEvent *event) internalInsert(event->commitString()); cursorPositionChanged = true; } else { - m_cursor = qBound(0, c, m_text.length()); + m_cursor = qBound(0, c, m_text.size()); } for (int i = 0; i < event->attributes().size(); ++i) { const QInputMethodEvent::Attribute &a = event->attributes().at(i); if (a.type == QInputMethodEvent::Selection) { - m_cursor = qBound(0, a.start + a.length, m_text.length()); + m_cursor = qBound(0, a.start + a.length, m_text.size()); if (a.length) { - m_selstart = qMax(0, qMin(a.start, m_text.length())); + m_selstart = qMax(0, qMin(a.start, m_text.size())); m_selend = m_cursor; if (m_selend < m_selstart) { qSwap(m_selstart, m_selend); @@ -573,10 +536,24 @@ void QWidgetLineControl::processInputMethodEvent(QInputMethodEvent *event) } } #ifndef QT_NO_IM - setPreeditArea(m_cursor, event->preeditString()); + // in NoEcho mode, the cursor is always at the beginning of the lineedit + switch (m_echoMode) { + case QLineEdit::NoEcho: + setPreeditArea(0, QString()); + break; + case QLineEdit::Password: { + QString preeditString = event->preeditString(); + preeditString.fill(m_passwordCharacter); + setPreeditArea(m_cursor, preeditString); + break; + } + default: + setPreeditArea(m_cursor, event->preeditString()); + break; + } #endif //QT_NO_IM const int oldPreeditCursor = m_preeditCursor; - m_preeditCursor = event->preeditString().length(); + m_preeditCursor = event->preeditString().size(); m_hideCursor = false; QList<QTextLayout::FormatRange> formats; formats.reserve(event->attributes().size()); @@ -669,7 +646,7 @@ void QWidgetLineControl::draw(QPainter *painter, const QPoint &offset, const QRe void QWidgetLineControl::selectWordAtPos(int cursor) { int next = cursor + 1; - if(next > end()) + if (next > end()) --next; int c = textLayout()->previousCursorPosition(next, QTextLayout::SkipWords); moveCursor(c, false); @@ -717,7 +694,7 @@ bool QWidgetLineControl::finishChange(int validateFromState, bool update, bool e } #endif if (validateFromState >= 0 && wasValidInput && !m_validInput) { - if (m_transactions.count()) + if (m_transactions.size()) return false; internalUndo(validateFromState); m_history.erase(m_history.begin() + m_undoState, m_history.end()); @@ -741,7 +718,7 @@ bool QWidgetLineControl::finishChange(int validateFromState, bool update, bool e emit selectionChanged(); } if (m_cursor == m_lastCursorPos) - updateMicroFocus(); + emit updateMicroFocus(); emitCursorPositionChanged(); return true; } @@ -759,7 +736,7 @@ void QWidgetLineControl::internalSetText(const QString &txt, int pos, bool edite QString oldText = m_text; if (m_maskData) { m_text = maskString(0, txt, true); - m_text += clearString(m_text.length(), m_maxLength - m_text.length()); + m_text += clearString(m_text.size(), m_maxLength - m_text.size()); if (edited && oldText == m_text) emit inputRejected(); } else { @@ -767,11 +744,11 @@ void QWidgetLineControl::internalSetText(const QString &txt, int pos, bool edite } m_history.clear(); m_modifiedState = m_undoState = 0; - m_cursor = (pos < 0 || pos > m_text.length()) ? m_text.length() : pos; + m_cursor = (pos < 0 || pos > m_text.size()) ? m_text.size() : pos; m_textDirty = (oldText != m_text); const bool changed = finishChange(-1, true, edited); -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) if (changed) { if (oldText.isEmpty()) { QAccessibleTextInsertEvent event(accessibleObject(), 0, txt); @@ -841,35 +818,35 @@ void QWidgetLineControl::internalInsert(const QString &s) QString ms = maskString(m_cursor, s); if (ms.isEmpty() && !s.isEmpty()) emit inputRejected(); -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) QAccessibleTextInsertEvent insertEvent(accessibleObject(), m_cursor, ms); QAccessible::updateAccessibility(&insertEvent); #endif - for (int i = 0; i < (int) ms.length(); ++i) { + for (int i = 0; i < (int) ms.size(); ++i) { addCommand (Command(DeleteSelection, m_cursor + i, m_text.at(m_cursor + i), -1, -1)); addCommand(Command(Insert, m_cursor + i, ms.at(i), -1, -1)); } - m_text.replace(m_cursor, ms.length(), ms); - m_cursor += ms.length(); + m_text.replace(m_cursor, ms.size(), ms); + m_cursor += ms.size(); m_cursor = nextMaskBlank(m_cursor); m_textDirty = true; -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) QAccessibleTextCursorEvent event(accessibleObject(), m_cursor); QAccessible::updateAccessibility(&event); #endif } else { - int remaining = m_maxLength - m_text.length(); + int remaining = m_maxLength - m_text.size(); if (remaining != 0) { -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) QAccessibleTextInsertEvent insertEvent(accessibleObject(), m_cursor, s); QAccessible::updateAccessibility(&insertEvent); #endif m_text.insert(m_cursor, s.left(remaining)); - for (int i = 0; i < (int) s.left(remaining).length(); ++i) + for (int i = 0; i < (int) s.left(remaining).size(); ++i) addCommand(Command(Insert, m_cursor++, s.at(i), -1, -1)); m_textDirty = true; } - if (s.length() > remaining) + if (s.size() > remaining) emit inputRejected(); } } @@ -887,13 +864,13 @@ void QWidgetLineControl::internalInsert(const QString &s) */ void QWidgetLineControl::internalDelete(bool wasBackspace) { - if (m_cursor < (int) m_text.length()) { + if (m_cursor < (int) m_text.size()) { cancelPasswordEchoTimer(); if (hasSelectedText()) addCommand(Command(SetSelection, m_cursor, u'\0', m_selstart, m_selend)); addCommand(Command((CommandType)((m_maskData ? 2 : 0) + (wasBackspace ? Remove : Delete)), m_cursor, m_text.at(m_cursor), -1, -1)); -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) QAccessibleTextRemoveEvent event(accessibleObject(), m_cursor, m_text.at(m_cursor)); QAccessible::updateAccessibility(&event); #endif @@ -918,7 +895,7 @@ void QWidgetLineControl::internalDelete(bool wasBackspace) */ void QWidgetLineControl::removeSelectedText() { - if (m_selstart < m_selend && m_selend <= (int) m_text.length()) { + if (m_selstart < m_selend && m_selend <= (int) m_text.size()) { cancelPasswordEchoTimer(); separate(); int i ; @@ -934,7 +911,7 @@ void QWidgetLineControl::removeSelectedText() for (i = m_selend-1; i >= m_selstart; --i) addCommand (Command(RemoveSelection, i, m_text.at(i), -1, -1)); } -#ifndef QT_NO_ACCESSIBILITY +#if QT_CONFIG(accessibility) QAccessibleTextRemoveEvent event(accessibleObject(), m_selstart, m_text.mid(m_selstart, m_selend - m_selstart)); QAccessible::updateAccessibility(&event); #endif @@ -960,7 +937,7 @@ void QWidgetLineControl::removeSelectedText() */ void QWidgetLineControl::parseInputMask(const QString &maskFields) { - int delimiter = maskFields.indexOf(QLatin1Char(';')); + qsizetype delimiter = maskFields.indexOf(u';'); if (maskFields.isEmpty() || delimiter == 0) { if (m_maskData) { m_maskData.reset(); @@ -971,17 +948,17 @@ void QWidgetLineControl::parseInputMask(const QString &maskFields) } if (delimiter == -1) { - m_blank = QLatin1Char(' '); + m_blank = u' '; m_inputMask = maskFields; } else { m_inputMask = maskFields.left(delimiter); - m_blank = (delimiter + 1 < maskFields.length()) ? maskFields[delimiter + 1] : QLatin1Char(' '); + m_blank = (delimiter + 1 < maskFields.size()) ? maskFields[delimiter + 1] : u' '; } // calculate m_maxLength / m_maskData length m_maxLength = 0; bool escaped = false; - for (int i=0; i<m_inputMask.length(); i++) { + for (int i=0; i<m_inputMask.size(); i++) { const auto c = m_inputMask.at(i); if (escaped) { ++m_maxLength; @@ -994,10 +971,8 @@ void QWidgetLineControl::parseInputMask(const QString &maskFields) continue; } - if (c != QLatin1Char('\\') && c != QLatin1Char('!') && - c != QLatin1Char('<') && c != QLatin1Char('>') && - c != QLatin1Char('{') && c != QLatin1Char('}') && - c != QLatin1Char('[') && c != QLatin1Char(']')) + if (c != u'\\' && c != u'!' && c != u'<' && c != u'>' && + c != u'{' && c != u'}' && c != u'[' && c != u']') m_maxLength++; } @@ -1007,7 +982,7 @@ void QWidgetLineControl::parseInputMask(const QString &maskFields) bool s; bool escape = false; int index = 0; - for (int i = 0; i < m_inputMask.length(); i++) { + for (int i = 0; i < m_inputMask.size(); i++) { const auto c = m_inputMask.at(i); if (escape) { s = true; @@ -1016,13 +991,13 @@ void QWidgetLineControl::parseInputMask(const QString &maskFields) m_maskData[index].caseMode = m; index++; escape = false; - } else if (c == QLatin1Char('<')) { - m = MaskInputData::Lower; - } else if (c == QLatin1Char('>')) { + } else if (c == u'<') { + m = MaskInputData::Lower; + } else if (c == u'>') { m = MaskInputData::Upper; - } else if (c == QLatin1Char('!')) { + } else if (c == u'!') { m = MaskInputData::NoCaseMode; - } else if (c != QLatin1Char('{') && c != QLatin1Char('}') && c != QLatin1Char('[') && c != QLatin1Char(']')) { + } else if (c != u'{' && c != u'}' && c != u'[' && c != u']') { switch (c.unicode()) { case 'A': case 'a': @@ -1110,23 +1085,23 @@ bool QWidgetLineControl::isValidInput(QChar key, QChar mask) const return true; break; case '#': - if (key.isNumber() || key == QLatin1Char('+') || key == QLatin1Char('-') || key == m_blank) + if (key.isNumber() || key == u'+' || key == u'-' || key == m_blank) return true; break; case 'B': - if (key == QLatin1Char('0') || key == QLatin1Char('1')) + if (key == u'0' || key == u'1') return true; break; case 'b': - if (key == QLatin1Char('0') || key == QLatin1Char('1') || key == m_blank) + if (key == u'0' || key == u'1' || key == m_blank) return true; break; case 'H': - if (key.isNumber() || (key >= QLatin1Char('a') && key <= QLatin1Char('f')) || (key >= QLatin1Char('A') && key <= QLatin1Char('F'))) + if (key.isNumber() || (key >= u'a' && key <= u'f') || (key >= u'A' && key <= u'F')) return true; break; case 'h': - if (key.isNumber() || (key >= QLatin1Char('a') && key <= QLatin1Char('f')) || (key >= QLatin1Char('A') && key <= QLatin1Char('F')) || key == m_blank) + if (key.isNumber() || (key >= u'a' && key <= u'f') || (key >= u'A' && key <= u'F') || key == m_blank) return true; break; default: @@ -1156,7 +1131,7 @@ bool QWidgetLineControl::hasAcceptableInput(const QString &str) const if (!m_maskData) return true; - if (str.length() != m_maxLength) + if (str.size() != m_maxLength) return false; for (int i=0; i < m_maxLength; ++i) { @@ -1191,47 +1166,47 @@ QString QWidgetLineControl::maskString(int pos, const QString &str, bool clear) QString s = QString::fromLatin1(""); int i = pos; while (i < m_maxLength) { - if (strIndex < str.length()) { + if (strIndex < str.size()) { if (m_maskData[i].separator) { s += m_maskData[i].maskChar; - if (str[(int)strIndex] == m_maskData[i].maskChar) + if (str[strIndex] == m_maskData[i].maskChar) strIndex++; ++i; } else { - if (isValidInput(str[(int)strIndex], m_maskData[i].maskChar)) { + if (isValidInput(str[strIndex], m_maskData[i].maskChar)) { switch (m_maskData[i].caseMode) { case MaskInputData::Upper: - s += str[(int)strIndex].toUpper(); + s += str[strIndex].toUpper(); break; case MaskInputData::Lower: - s += str[(int)strIndex].toLower(); + s += str[strIndex].toLower(); break; default: - s += str[(int)strIndex]; + s += str[strIndex]; } ++i; } else { // search for separator first - int n = findInMask(i, true, true, str[(int)strIndex]); + int n = findInMask(i, true, true, str[strIndex]); if (n != -1) { - if (str.length() != 1 || i == 0 || (i > 0 && (!m_maskData[i-1].separator || m_maskData[i-1].maskChar != str[(int)strIndex]))) { + if (str.size() != 1 || i == 0 || (i > 0 && (!m_maskData[i-1].separator || m_maskData[i-1].maskChar != str[strIndex]))) { s += QStringView{fill}.mid(i, n - i + 1); i = n + 1; // update i to find + 1 } } else { // search for valid m_blank if not - n = findInMask(i, true, false, str[(int)strIndex]); + n = findInMask(i, true, false, str[strIndex]); if (n != -1) { s += QStringView{fill}.mid(i, n - i); switch (m_maskData[n].caseMode) { case MaskInputData::Upper: - s += str[(int)strIndex].toUpper(); + s += str[strIndex].toUpper(); break; case MaskInputData::Lower: - s += str[(int)strIndex].toLower(); + s += str[strIndex].toLower(); break; default: - s += str[(int)strIndex]; + s += str[strIndex]; } i = n + 1; // updates i to find + 1 } @@ -1282,7 +1257,7 @@ QString QWidgetLineControl::stripString(const QString &str) const return str; QString s; - int end = qMin(m_maxLength, (int)str.length()); + int end = qMin(m_maxLength, (int)str.size()); for (int i = 0; i < end; ++i) if (m_maskData[i].separator) s += m_maskData[i].maskChar; @@ -1420,8 +1395,8 @@ void QWidgetLineControl::emitCursorPositionChanged() if (m_cursor != m_lastCursorPos) { const int oldLast = m_lastCursorPos; m_lastCursorPos = m_cursor; - cursorPositionChanged(oldLast, m_cursor); -#ifndef QT_NO_ACCESSIBILITY + emit cursorPositionChanged(oldLast, m_cursor); +#if QT_CONFIG(accessibility) // otherwise we send a selection update which includes the cursor if (!hasSelectedText()) { QAccessibleTextCursorEvent event(accessibleObject(), m_cursor); @@ -1469,7 +1444,7 @@ void QWidgetLineControl::complete(int key) return; int n = 0; if (key == Qt::Key_Up || key == Qt::Key_Down) { - if (textAfterSelection().length()) + if (textAfterSelection().size()) return; QString prefix = hasSelectedText() ? textBeforeSelection() : text; @@ -1658,10 +1633,12 @@ void QWidgetLineControl::processKeyEvent(QKeyEvent* event) break; #endif if (!m_completer->currentCompletion().isEmpty() && hasSelectedText() + && !m_completer->completionPrefix().isEmpty() && textAfterSelection().isEmpty()) { setText(m_completer->currentCompletion()); inlineCompletionAccepted = true; } + break; default: break; // normal key processing } @@ -1833,13 +1810,18 @@ void QWidgetLineControl::processKeyEvent(QKeyEvent* event) } else if (event == QKeySequence::DeleteEndOfWord) { if (!isReadOnly()) { - cursorWordForward(true); - del(); + if (!hasSelectedText()) + cursorWordForward(true); + + if (hasSelectedText()) + del(); } } else if (event == QKeySequence::DeleteStartOfWord) { if (!isReadOnly()) { - cursorWordBackward(true); + if (!hasSelectedText()) + cursorWordBackward(true); + if (hasSelectedText()) del(); } @@ -1944,10 +1926,15 @@ void QWidgetLineControl::processKeyEvent(QKeyEvent* event) return; } - if (unknown) + if (unknown) { event->ignore(); - else + } else { +#ifndef QT_NO_CLIPBOARD + if (QApplication::clipboard()->supportsSelection()) + copy(QClipboard::Selection); +#endif event->accept(); + } } bool QWidgetLineControl::isUndoAvailable() const |