| 1 | /* $Id: QILineEdit.cpp 76606 2019-01-02 05:40:39Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - Qt extensions: QILineEdit class implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2008-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | /* GUI includes: */
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| 19 | #include "QILineEdit.h"
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| 20 |
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| 21 | /* Qt includes: */
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| 22 | #include <QStyleOptionFrame>
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| 23 |
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| 24 |
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| 25 | void QILineEdit::setMinimumWidthByText(const QString &strText)
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| 26 | {
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| 27 | setMinimumWidth(featTextWidth(strText).width());
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| 28 | }
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| 29 |
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| 30 | void QILineEdit::setFixedWidthByText(const QString &strText)
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| 31 | {
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| 32 | setFixedWidth(featTextWidth(strText).width());
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| 33 | }
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| 34 |
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| 35 | QSize QILineEdit::featTextWidth(const QString &strText) const
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| 36 | {
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| 37 | QStyleOptionFrame sof;
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| 38 | sof.initFrom(this);
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| 39 | sof.rect = contentsRect();
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| 40 | sof.lineWidth = hasFrame() ? style()->pixelMetric(QStyle::PM_DefaultFrameWidth) : 0;
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| 41 | sof.midLineWidth = 0;
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| 42 | sof.state |= QStyle::State_Sunken;
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| 43 |
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| 44 | /** @todo make it wise.. */
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| 45 | // WORKAROUND:
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| 46 | // The margins are based on qlineedit.cpp of Qt.
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| 47 | // Maybe they where changed at some time in the future.
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| 48 | QSize sc(fontMetrics().width(strText) + 2 * 2,
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| 49 | fontMetrics().xHeight() + 2 * 1);
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| 50 | const QSize sa = style()->sizeFromContents(QStyle::CT_LineEdit, &sof, sc, this);
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| 51 |
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| 52 | return sa;
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| 53 | }
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