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/*
* Copyright (c) 2000 Matthias Elter <[email protected]>
* based on keyes (C) 1999 by Jerome Tollet <[email protected]>
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
*/
#include <math.h>
#include <tqpainter.h>
#include <tqcursor.h>
#include <tqimage.h>
#include <tdelocale.h>
#include <tdeglobal.h>
#include <tdeapplication.h>
#include "eyes.h"
#include "eyes.moc"
#define AAFACTOR 4
extern "C"
{
KDE_EXPORT KPanelApplet* init(TQWidget *parent, const TQString& configFile)
{
TDEGlobal::locale()->insertCatalogue("keyesapplet");
EyesApplet *applet = new EyesApplet(configFile, KPanelApplet::Normal, 0, parent, "keyesapplet");
return applet;
}
}
EyesApplet::EyesApplet(const TQString& configFile, Type t, int actions,
TQWidget *parent, const char *name)
: KPanelApplet( configFile, t, actions, parent, name )
{
setWFlags(WNoAutoErase);
setBackgroundOrigin(AncestorOrigin);
startTimer(50);
oldleft = TQPoint(-1, -1);
oldright = TQPoint(-1, -1);
oldMouse = TQPoint(-1, -1);
}
int EyesApplet::widthForHeight(int h) const
{
return static_cast<int>(1.4 * h); // rectangular shape.
}
int EyesApplet::heightForWidth(int w) const
{
return static_cast<int>(w / 1.4); // rectangular shape.
}
void EyesApplet::resizeEvent( TQResizeEvent*e )
{
TQWidget::resizeEvent(e);
}
void EyesApplet::timerEvent(TQTimerEvent*)
{
TQPoint mouse = mapFromGlobal(TQCursor::pos());
if (mouse != oldMouse)
update();
}
void EyesApplet::paintEvent(TQPaintEvent*)
{
int spWidth = width() * AAFACTOR;
int spHeight = height() * AAFACTOR;
if (spWidth != _cache.width() || spHeight != _cache.height())
_cache.resize(spWidth, spHeight);
TQPainter paint(&_cache);
if (paletteBackgroundPixmap())
{
TQPixmap bg(width(), height());
TQPainter p(&bg);
TQPoint offset = backgroundOffset();
p.drawTiledPixmap(0, 0, width(), height(), *paletteBackgroundPixmap(), offset.x(), offset.y());
p.end();
TQImage bgImage = bg.convertToImage().scale(spWidth, spHeight);
paint.drawImage(0, 0, bgImage);
}
else
{
_cache.fill(paletteBackgroundColor());
}
// draw eyes, no pupils
paint.setPen(TQPen(black, 2 * AAFACTOR));
paint.setBrush(TQBrush(white));
int w = spWidth; // - AAFACTOR * 2;
int h = spHeight; // - AAFACTOR * 2;
// left eye
paint.drawEllipse(AAFACTOR, AAFACTOR, w/2 - AAFACTOR, h - AAFACTOR * 2);
// right eye
paint.drawEllipse(w/2, AAFACTOR, w/2 - AAFACTOR, h - AAFACTOR * 2);
// draw pupils
drawPupils(&paint);
paint.end();
TQPainter paintFinal(this);
TQImage spImage = _cache.convertToImage();
TQImage displayImage = spImage.smoothScale(size());
paintFinal.drawImage(0, 0, displayImage);
paintFinal.end();
}
void EyesApplet::drawPupils(TQPainter* p)
{
TQPoint pos, mouse, vect;
double cos_alpha,sin_alpha;
int w = width() * AAFACTOR;
int h = height() * AAFACTOR;
oldMouse = mapFromGlobal(TQCursor::pos());
mouse = oldMouse * AAFACTOR;
int tmp = TQMIN(h, w)/6;
// left pupil
vect.setX(mouse.x() - h / 4);
vect.setY(mouse.y() - h / 2);
cos_alpha = vect.x() / sqrt(double(vect.x() * vect.x() + vect.y() * vect.y()));
sin_alpha = vect.y() / sqrt(double(vect.x() * vect.x() + vect.y() * vect.y()));
if(vect.x() * vect.x() + vect.y() * vect.y() > (w/4 - tmp) * (w/4 - tmp)*
cos_alpha * cos_alpha+ (h/2-tmp) * (h/2-tmp) * sin_alpha * sin_alpha) {
pos.setX(int((w/4-tmp) * cos_alpha+w/4));
pos.setY(int((h/2-tmp) * sin_alpha+h/2));
}
else
pos = mouse;
if(pos != oldleft) {
int sizeEye=TQMIN(h,w)/6;
// // draw over old pos
// p->setPen(TQPen(NoPen));
// p->setBrush(TQBrush(white));
// p->drawEllipse(oldleft.x() - sizeEye/2, oldleft.y() - sizeEye/2, sizeEye, sizeEye);
// draw left pupil
p->setPen(TQPen(NoPen));
p->setBrush(TQBrush(black));
p->drawEllipse(pos.x() - sizeEye/2, pos.y() - sizeEye/2, sizeEye, sizeEye);
//oldleft = pos;
}
// right pupil
vect.setX(mouse.x() - 3*w/4);
vect.setY(mouse.y() - h/2);
cos_alpha = vect.x()/sqrt(double(vect.x()*vect.x()+vect.y()*vect.y()));
sin_alpha = vect.y()/sqrt(double(vect.x()*vect.x()+vect.y()*vect.y()));
if(vect.x()*vect.x() + vect.y()*vect.y() > (w/4-tmp)*(w/4-tmp)
*cos_alpha*cos_alpha+(h/2-tmp)*(h/2-tmp)*sin_alpha*sin_alpha)
{
pos.setX(int((w/4-tmp)*cos_alpha+3*w/4));
pos.setY(int((h/2-tmp)*sin_alpha+h/2));
}
else
pos = mouse;
if(pos != oldright) {
int sizeEye=TQMIN(h,w)/6;
// // draw over old pos
// p->setPen(TQPen(NoPen));
// p->setBrush(TQBrush(white));
// p->drawEllipse(oldright.x() - sizeEye/2, oldright.y() - sizeEye/2, sizeEye, sizeEye);
// draw left pupil
p->setPen(TQPen(NoPen));
p->setBrush(TQBrush(black));
p->drawEllipse(pos.x() - sizeEye/2, pos.y() - sizeEye/2, sizeEye, sizeEye);
//oldright = pos;
}
}
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