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/* This file is part of the KDE project
Copyright (C) 2006 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kexiarrowtip.h"
#include <tqpixmap.h>
#include <tqbitmap.h>
#include <tqpainter.h>
#include <tqimage.h>
#include <tqtooltip.h>
#include <tqfont.h>
#include <tqfontmetrics.h>
#include <tqtimer.h>
#include <kexiutils/utils.h>
KexiArrowTip::KexiArrowTip(const TQString& text, TQWidget* parent)
: KexiToolTip(text, parent)
, m_opacity(0.0)
{
TQPalette pal( palette() );
TQColorGroup cg(pal.active());
cg.setColor(TQColorGroup::Foreground, TQt::red);
pal.setActive(cg);
setPalette(pal);
TQFontMetrics fm(font());
TQSize sz(fm.boundingRect(m_value.toString()).size());
sz += TQSize(14, 10); //+margins
m_arrowHeight = sz.height()/2;
sz += TQSize(0, m_arrowHeight); //+arrow height
resize(sz);
setAutoMask( false );
//generate mask
TQPixmap maskPm(size());
maskPm.fill( black );
TQPainter maskPainter(&maskPm);
drawFrame(maskPainter);
TQImage maskImg( maskPm.convertToImage() );
TQBitmap bm;
bm = maskImg.createHeuristicMask();
setMask( bm );
}
KexiArrowTip::~KexiArrowTip()
{
}
void KexiArrowTip::show()
{
if (isVisible())
return;
m_opacity = 0.0;
setWindowOpacity(0.0);
KexiToolTip::show();
increaseOpacity();
}
void KexiArrowTip::hide()
{
if (!isVisible())
return;
decreaseOpacity();
}
void KexiArrowTip::increaseOpacity()
{
m_opacity += 0.10;
setWindowOpacity(m_opacity);
if (m_opacity < 1.0)
TQTimer::singleShot(25, this, TQT_SLOT(increaseOpacity()));
}
void KexiArrowTip::decreaseOpacity()
{
if (m_opacity<=0.0) {
KexiToolTip::close();
m_opacity = 0.0;
return;
}
m_opacity -= 0.10;
setWindowOpacity(m_opacity);
TQTimer::singleShot(25, this, TQT_SLOT(decreaseOpacity()));
}
bool KexiArrowTip::close ( bool alsoDelete )
{
if (!isVisible()) {
return KexiToolTip::close(alsoDelete);
}
if (m_opacity>0.0)
decreaseOpacity();
else
return KexiToolTip::close(alsoDelete);
return m_opacity<=0.0;
}
void KexiArrowTip::drawContents(TQPainter& p)
{
p.setPen( TQPen(palette().active().foreground(), 1) );
p.drawText(TQRect(0,m_arrowHeight,width(),height()-m_arrowHeight),
TQt::AlignCenter, m_value.toString());
}
void KexiArrowTip::drawFrame(TQPainter& p)
{
TQPen pen(palette().active().foreground(), 1, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin);
p.setPen( pen );
/*
/\
+- -----+
| text |
+--------+
*/
//1st line
const int arrowOffset = 5; //5 pixels to right
TQPointArray pa(8);
pa.setPoint(0, 0, m_arrowHeight-1);
pa.setPoint(1, 0, height()-1);
pa.setPoint(2, width()-1, height()-1);
pa.setPoint(3, width()-1, m_arrowHeight-1);
pa.setPoint(4, arrowOffset+m_arrowHeight+m_arrowHeight-2, m_arrowHeight-1);
pa.setPoint(5, arrowOffset+m_arrowHeight-1, 0);
pa.setPoint(6, arrowOffset, m_arrowHeight-1);
pa.setPoint(7, 0, m_arrowHeight-1);
p.drawPolyline(pa);
//-2nd, internal line
pa.resize(12);
pa.setPoint(0, 1, m_arrowHeight);
pa.setPoint(1, 1, height()-2);
pa.setPoint(2, width()-2, height()-2);
pa.setPoint(3, width()-2, m_arrowHeight);
pa.setPoint(4, arrowOffset+m_arrowHeight+m_arrowHeight-2, m_arrowHeight);
pa.setPoint(5, arrowOffset+m_arrowHeight-1, 1);
pa.setPoint(6, arrowOffset, m_arrowHeight);
pa.setPoint(7, 0, m_arrowHeight);
pa.setPoint(8, arrowOffset+1, m_arrowHeight);
pa.setPoint(9, arrowOffset+m_arrowHeight-1, 2);
pa.setPoint(10, arrowOffset+m_arrowHeight+m_arrowHeight-3, m_arrowHeight);
pa.setPoint(11, width()-2, m_arrowHeight);
p.drawPolyline(pa);
}
#include "kexiarrowtip.moc"
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