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