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author | J-P Nurmi <jpnurmi@digia.com> | 2013-01-09 14:09:45 +0100 |
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committer | J-P Nurmi <jpnurmi@digia.com> | 2013-01-11 00:03:55 +0100 |
commit | 4fdc0daa71a73798904b4865668865b536cc1534 (patch) | |
tree | 3b5bb6184bb9055bb81bb60187d29fe6d98ea639 /src/libs/utils/elidinglabel.cpp | |
parent | 20cfccd7533fb68cc9759c015a2b6573d167581c (diff) | |
download | qt-creator-4fdc0daa71a73798904b4865668865b536cc1534.tar.gz |
Utils: add ElidingLabel for displaying elided text
Change-Id: I520e2f0a0c7dc2172ab8b0f8be152c7ff2e7e5bb
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Diffstat (limited to 'src/libs/utils/elidinglabel.cpp')
-rw-r--r-- | src/libs/utils/elidinglabel.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/libs/utils/elidinglabel.cpp b/src/libs/utils/elidinglabel.cpp new file mode 100644 index 0000000000..1f7d3289e0 --- /dev/null +++ b/src/libs/utils/elidinglabel.cpp @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of Qt Creator. +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +****************************************************************************/ + +#include "elidinglabel.h" +#include <QFontMetrics> +#include <QPainter> +#include <QStyle> + +/*! + \class Utils::ElidingLabel + + \brief A label suitable for displaying elided text. +*/ + +namespace Utils { + +ElidingLabel::ElidingLabel(QWidget *parent) + : QLabel(parent), m_elideMode(Qt::ElideRight) +{ + setSizePolicy(QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred, QSizePolicy::Label)); +} + +ElidingLabel::ElidingLabel(const QString &text, QWidget *parent) + : QLabel(text, parent), m_elideMode(Qt::ElideRight) +{ + setSizePolicy(QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred, QSizePolicy::Label)); +} + +Qt::TextElideMode ElidingLabel::elideMode() const +{ + return m_elideMode; +} + +void ElidingLabel::setElideMode(const Qt::TextElideMode &elideMode) +{ + m_elideMode = elideMode; + update(); +} + +void ElidingLabel::paintEvent(QPaintEvent *) +{ + const int m = margin(); + QRect contents = contentsRect().adjusted(m, m, -m, -m); + QFontMetrics fm = fontMetrics(); + QString txt = text(); + if (txt.length() > 4 && fm.width(txt) > contents.width()) + txt = fm.elidedText(txt, m_elideMode, contents.width()); + int flags = QStyle::visualAlignment(layoutDirection(), alignment()) | Qt::TextSingleLine; + + QPainter painter(this); + drawFrame(&painter); + painter.drawText(contents, flags, txt); +} + +} // namespace Utils |