/*************************************************************************** * Copyright (C) 2005 by Zack Rusin * * Sami Kyostil * * Aaron J. Seigo * * Martin Pfeiffer * * * * 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 Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ #include "kalziumtip.h" #include "kalziumutils.h" #include "element.h" #include #include #include #include #include #include #include #include #include #include #include #include KalziumTip::KalziumTip( TQWidget * parent, const char * name, WFlags f ) : TQWidget( parent, name, f ) { setFocusPolicy(TQ_NoFocus); //the widget don't get the keyboard focus setBackgroundMode(NoBackground); // widget has no background resize(0,0); hide(); //initailly hide it m_richText = 0; m_noElemIcon = KGlobal::iconLoader()->loadIcon( "orbits", KIcon::NoGroup, 64 ); setMouseTracking(true); // receice mouse move events connect(&m_frameTimer, TQT_SIGNAL(timeout()), TQT_SLOT(internalUpdate())); } void KalziumTip::showTip( TQPoint mouse, Element* element, int visibleWidth, int visibleHeight ) { TQWidget *p = 0; if ( dynamic_cast( parent() ) ) p = TQT_TQWIDGET( parent() ); if ( p ) { if ( mouse.y() + size().height() > visibleHeight ) mouse.setY( mouse.y() - size().height() ); if ( mouse.x() + size().width() > visibleWidth ) mouse.setX( mouse.x() - size().width() ); if ( p->width() < visibleWidth ) { if ( mouse.x() + size().width() > p->width() ) mouse.setX( mouse.x() - size().width() ); } if ( p->height() < visibleHeight ) { if ( mouse.y() + size().height() > p->height() ) mouse.setY( mouse.y() - size().height() ); } } m_mousePointer = mouse; if( element == m_tippedElement ) { // Avoid moving out of the current screen if (m_mousePointer.x()+width() > tqApp->desktop()->width()) m_mousePointer.setX(tqApp->desktop()->width() - width()); move(m_mousePointer); //do not paint again if already painted } else { if ( element == 0) return; m_tippedElement = element; loadIcon(); //load icon display(); } } void KalziumTip::paintEvent(TQPaintEvent* e) { if (m_dirty) { displayInternal(); m_dirty = false; } TQPainter p(this); p.drawPixmap(e->rect().topLeft(), m_pixmap, e->rect()); } void KalziumTip::mouseMoveEvent(TQMouseEvent * e) { // delegate the mouse move event to the parent (actually the elements table) // so that this tooltip doesn't stop to be updated e->ignore(); } void KalziumTip::display() { if( !m_tippedElement ) return; delete m_richText; TQString elementname = m_tippedElement->elname(); TQString number = i18n( "Number: %1" ) .arg( TQString::number(m_tippedElement->number()) ); TQString mass = i18n( "Mass: %1" ) .arg( KalziumUtils::localizedValue(m_tippedElement->mass(), 6) ); m_richText = new TQSimpleRichText("

" + elementname + "

" + number + "

" + mass +"

", font()); m_richText->setWidth(400); m_maskEffect = isVisible() ? Plain : Dissolve; m_dissolveSize = 24; m_dissolveDelta = -1; displayInternal(); m_frameTimer.start(500/30); move(m_mousePointer); show(); } void KalziumTip::displayInternal() { if (!m_richText) return; // determine text rectangel sizes TQRect textRect(0,0,0,0); textRect.setWidth(m_richText->widthUsed()); textRect.setHeight(m_richText->height()); //moves the rect textRect.moveBy(-textRect.left(), -textRect.top()); // add the new coordinates textRect.addCoords(0,0,2,2); int margin = KDialog::marginHint(); int height = TQMAX(m_icon.height(), textRect.height()) + 2 * margin; int textX = 2 + m_icon.width() + 2 * margin; int width = textX + textRect.width() + margin; int textY = (height - textRect.height()) / 2; //resize pixmap, mask and widget m_mask.resize(width, height); m_pixmap.resize(width, height); resize(width, height); // create and set transparency mask switch(m_maskEffect) { case Plain: plainMask(); break; case Dissolve: dissolveMask(); break; } // draw background TQPainter bufferPainter(&m_pixmap); bufferPainter.setPen(TQt::black); bufferPainter.setBrush(backgroundColor()); bufferPainter.drawRoundRect(0, 0, width, height, 1600 / width, 1600 / height); // draw icon if present if (!m_icon.isNull()) { bufferPainter.drawPixmap(margin, margin, m_icon, 0, 0, m_icon.width(), m_icon.height()); } // draw text shadow TQColorGroup cg = colorGroup(); cg.setColor(TQColorGroup::Text, cg.background().dark(115)); int shadowOffset = TQApplication::reverseLayout() ? -1 : 1; m_richText->draw(&bufferPainter, 5 + textX + shadowOffset, textY + 1, TQRect(), cg); // draw text cg = colorGroup(); m_richText->draw(&bufferPainter, 5 + textX, textY, rect(), cg); } void KalziumTip::dissolveMask() { TQPainter maskPainter(&m_mask); m_mask.fill(TQt::black); maskPainter.setBrush(TQt::white); maskPainter.setPen(TQt::white); maskPainter.drawRoundRect(m_mask.rect(), 1600 / m_mask.rect().width(), 1600 / m_mask.rect().height()); m_dissolveSize += m_dissolveDelta; if (m_dissolveSize > 0) { maskPainter.setRasterOp(TQt::EraseROP); int x, y, s; const int size = 16; const int heightsize = size + height(); for (y = 0; y < heightsize; y += size) { x = width(); s = m_dissolveSize * x / 128; for (; x > -size; x -= size, s -= 2) { if (s < 0) { s = 0; } maskPainter.drawEllipse(x - s / 2, y - s / 2, s, s); } } } else if (m_dissolveSize < 0) { m_frameTimer.stop(); m_dissolveDelta = 1; } setMask(m_mask); } void KalziumTip::hide() { m_frameTimer.stop(); m_tippedElement = 0; TQWidget::hide(); } void KalziumTip::plainMask() { TQPainter maskPainter(&m_mask); m_mask.fill(TQt::black); maskPainter.setBrush(TQt::white); maskPainter.setPen(TQt::white); maskPainter.drawRoundRect(m_mask.rect(), 1600 / m_mask.rect().width(), 1600 / m_mask.rect().height()); setMask(m_mask); m_frameTimer.stop(); } void KalziumTip::internalUpdate() { m_dirty = true; update(); } void KalziumTip::loadIcon() { TQString iconpath = locate( "data" , "kalzium/elempics/" + m_tippedElement->symbol() + ".jpg" ); if ( !iconpath.isEmpty() ) { TQImage img ( iconpath, "JPEG" ); img = img.smoothScale ( 128, 128, TQ_ScaleMin ); m_icon.convertFromImage( img ); } else { m_icon = m_noElemIcon; } } #include "kalziumtip.moc"