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110 lines
2.7 KiB
110 lines
2.7 KiB
15 years ago
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/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2007-23-03
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* Description : a tool tip widget witch follow cursor movements
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* Tool tip content is displayed without delay.
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*
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* Copyright (C) 2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// Qt includes.
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#include <qevent.h>
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#include <qtooltip.h>
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// Local includes.
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#include "dcursortracker.h"
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namespace Digikam
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{
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DCursorTracker::DCursorTracker(const QString& txt, QWidget *parent)
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: QLabel(txt, 0, "", WX11BypassWM)
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{
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parent->setMouseTracking(true);
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parent->installEventFilter(this);
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setEnable(true);
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}
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/**
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* Overload to make sure the widget size is correct
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*/
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void DCursorTracker::setText(const QString& txt)
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{
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QLabel::setText(txt);
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adjustSize();
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}
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void DCursorTracker::setEnable(bool b)
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{
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m_enable = b;
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}
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bool DCursorTracker::eventFilter(QObject *object, QEvent *e)
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{
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QWidget *widget = static_cast<QWidget*>(object);
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switch (e->type())
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{
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case QEvent::MouseMove:
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{
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QMouseEvent *event = static_cast<QMouseEvent*>(e);
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if (m_enable && (widget->rect().contains(event->pos()) ||
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(event->stateAfter() & LeftButton)))
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{
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show();
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QPoint p = widget->mapToGlobal(QPoint(widget->width()/2, 0));
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move(p.x()-width()/2, p.y()-height());
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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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break;
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}
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case QEvent::MouseButtonRelease:
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{
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QMouseEvent* event = static_cast<QMouseEvent*>(e);
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if ( !widget->rect().contains(event->pos()) )
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{
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hide();
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}
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break;
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}
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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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DTipTracker::DTipTracker(const QString& txt, QWidget *parent)
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: DCursorTracker(txt, parent)
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{
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setPalette(QToolTip::palette());
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setFrameStyle(QFrame::Plain | QFrame::Box);
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setLineWidth(1);
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setAlignment(AlignAuto | AlignTop);
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}
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} // namespace Digikam
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