mirror of
https://github.com/transmission/transmission
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74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
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/*
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* This file Copyright (C) 2012-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <QToolButton>
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#include <QStyle>
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#include "FilterBarLineEdit.h"
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FilterBarLineEdit::FilterBarLineEdit (QWidget * parent):
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QLineEdit (parent),
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myClearButton (nullptr)
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{
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#if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
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const QIcon icon = QIcon::fromTheme (QLatin1String ("edit-clear"), style ()->standardIcon (QStyle::SP_DialogCloseButton));
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const int iconSize = style ()->pixelMetric (QStyle::PM_SmallIconSize);
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myClearButton = new QToolButton (this);
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myClearButton->setStyleSheet (QLatin1String ("QToolButton{border:0;padding:0;margin:0}"));
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myClearButton->setToolButtonStyle (Qt::ToolButtonIconOnly);
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myClearButton->setFocusPolicy (Qt::NoFocus);
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myClearButton->setCursor (Qt::ArrowCursor);
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myClearButton->setIconSize (QSize (iconSize, iconSize));
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myClearButton->setIcon (icon);
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myClearButton->setFixedSize (myClearButton->iconSize () + QSize (2, 2));
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myClearButton->hide ();
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const int frameWidth = style ()->pixelMetric (QStyle::PM_DefaultFrameWidth);
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const QSize minSizeHint = minimumSizeHint ();
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const QSize buttonSize = myClearButton->size ();
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setStyleSheet (QString::fromLatin1 ("QLineEdit{padding-right:%1px}").arg (buttonSize.width () + frameWidth + 1));
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setMinimumSize (qMax (minSizeHint.width (), buttonSize.width () + frameWidth * 2 + 2),
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qMax (minSizeHint.height (), buttonSize.height () + frameWidth * 2 + 2));
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connect (this, SIGNAL (textChanged (QString)), this, SLOT (updateClearButtonVisibility ()));
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connect (myClearButton, SIGNAL (clicked ()), this, SLOT (clear ()));
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#else
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setClearButtonEnabled (true);
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#endif
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#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
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setPlaceholderText (tr ("Search..."));
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#endif
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}
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void
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FilterBarLineEdit::resizeEvent (QResizeEvent * event)
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{
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QLineEdit::resizeEvent (event);
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#if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
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const int frameWidth = style ()->pixelMetric (QStyle::PM_DefaultFrameWidth);
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const QRect editRect = rect();
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const QSize buttonSize = myClearButton->size ();
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myClearButton->move (editRect.right () - frameWidth - buttonSize.width (),
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editRect.top () + (editRect.height () - buttonSize.height ()) / 2);
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#endif
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}
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void
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FilterBarLineEdit::updateClearButtonVisibility ()
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{
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#if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
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myClearButton->setVisible (!text ().isEmpty ());
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#endif
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}
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