mirror of
https://github.com/xiaoyifang/goldendict-ng.git
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133 lines
2.5 KiB
C++
133 lines
2.5 KiB
C++
/* This file is (c) 2011 Tvangeste <i.4m.l33t@yandex.ru>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "mainstatusbar.hh"
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#include <Qt>
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#include <QFrame>
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#include <QVBoxLayout>
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#include <QDebug>
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#include <QEvent>
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MainStatusBar::MainStatusBar(QWidget *parent) : QFrame(parent)
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{
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// style
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setWindowFlags( Qt::Tool | Qt::X11BypassWindowManagerHint | Qt::FramelessWindowHint );
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setFrameStyle( QFrame::Box | QFrame::Plain );
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setLineWidth(0);
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// components
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label = new QLabel(QString(), this);
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label->setTextFormat(Qt::PlainText);
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timer = new QTimer(this);
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// layout
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QVBoxLayout * layout = new QVBoxLayout;
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layout->addWidget(label);
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layout->setSizeConstraint(QLayout::SetFixedSize);
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layout->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
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layout->setMargin(4);
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setLayout(layout);
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parentWidget()->installEventFilter( this );
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connect( timer, SIGNAL( timeout() ), SLOT( clearMessage() ) );
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}
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void MainStatusBar::clearMessage()
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{
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message = QString();
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label->setText(message);
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timer->stop();
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refresh();
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}
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QString MainStatusBar::currentMessage() const
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{
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return message;
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}
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void MainStatusBar::showMessage(const QString & str, int timeout)
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{
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message = str;
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if ( timeout > 0 )
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{
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timer->start( timeout );
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}
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refresh();
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}
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void MainStatusBar::refresh(bool forceHide)
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{
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if ( forceHide )
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{
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hide();
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return;
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}
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if ( !message.isEmpty() )
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{
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QRect pGeom = parentWidget()->geometry();
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int maxLabelLength = pGeom.width() - 2 * layout()->margin();
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label->setText( label->fontMetrics().elidedText( message, Qt::ElideRight, maxLabelLength ) );
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adjustSize();
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move(pGeom.left(), pGeom.bottom() - size().height() + 1 );
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if ( parentWidget()->isHidden() )
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{
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hide();
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return;
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}
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if ( parentWidget()->isMinimized() )
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{
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hide();
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return;
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}
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show();
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}
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else
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{
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hide();
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}
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}
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void MainStatusBar::mousePressEvent ( QMouseEvent * )
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{
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clearMessage();
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}
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bool MainStatusBar::eventFilter(QObject *, QEvent * e)
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{
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switch ( e->type() ) {
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case QEvent::Hide:
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case QEvent::Resize:
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case QEvent::FocusOut:
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case QEvent::WindowDeactivate:
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#ifdef Q_WS_X11
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// workaround for X11 idiosyncrasies
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// qDebug() << e->type();
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refresh(true);
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break;
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#endif
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case QEvent::Move:
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case QEvent::WindowStateChange:
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case QEvent::WindowActivate:
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// qDebug() << e->type();
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refresh();
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break;
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default:
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break;
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};
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return false;
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}
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