diff options
Diffstat (limited to 'src/libs/installer/lazyplaintextedit.cpp')
-rw-r--r-- | src/libs/installer/lazyplaintextedit.cpp | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/src/libs/installer/lazyplaintextedit.cpp b/src/libs/installer/lazyplaintextedit.cpp deleted file mode 100644 index a4a699a78..000000000 --- a/src/libs/installer/lazyplaintextedit.cpp +++ /dev/null @@ -1,101 +0,0 @@ -/************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Installer Framework. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** 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 General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** 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-3.0.html. -** -** $QT_END_LICENSE$ -** -**************************************************************************/ - -#include "lazyplaintextedit.h" - -#include <QScrollBar> - -const int INTERVAL = 20; - -LazyPlainTextEdit::LazyPlainTextEdit(QWidget *parent) - : QPlainTextEdit(parent) - , m_timerId(0) -{ -} - -void LazyPlainTextEdit::timerEvent(QTimerEvent *event) -{ - if (event->timerId() == m_timerId) { - killTimer(m_timerId); - m_timerId = 0; - m_cachedOutput.chop(1); //removes the last \n - if (!m_cachedOutput.isEmpty()) { - appendPlainText(m_cachedOutput); - updateCursor(TextCursorPosition::Keep); - horizontalScrollBar()->setValue(0); - m_cachedOutput.clear(); - } - } -} - -void LazyPlainTextEdit::append(const QString &text) -{ - m_cachedOutput.append(text + QLatin1String("\n")); - if (isVisible() && m_timerId == 0) - m_timerId = startTimer(INTERVAL); -} - -void LazyPlainTextEdit::clear() -{ - if (m_timerId) { - killTimer(m_timerId); - m_timerId = 0; - m_cachedOutput.clear(); - } - QPlainTextEdit::clear(); -} - -void LazyPlainTextEdit::setVisible(bool visible) -{ - if (m_timerId) { - killTimer(m_timerId); - m_timerId = 0; - } - - if (visible) - m_timerId = startTimer(INTERVAL); - - QPlainTextEdit::setVisible(visible); - updateCursor(TextCursorPosition::Keep); -} - -void LazyPlainTextEdit::updateCursor(TextCursorPosition position) -{ - QTextCursor cursor = textCursor(); - if ((position == TextCursorPosition::ForceEnd) || cursor.atEnd()) { - // Workaround for height calculation issue if scrollbar is set to Qt::ScrollBarAsNeeded. - Qt::ScrollBarPolicy policy = horizontalScrollBarPolicy(); - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn); // enforce always on - - cursor.movePosition(QTextCursor::End); - setTextCursor(cursor); - ensureCursorVisible(); - - setHorizontalScrollBarPolicy(policy); // but reset once we updated the cursor position - } -} |