/* * Copyright (C) 2003 by Unai Garro * Copyright (C) 2004 by Enrico Ros * Copyright (C) 2004 by Stephan Kulow * Copyright (C) 2004 by Oswald Buddenhagen * * 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 "kdmlayout.h" #include "kdmitem.h" #include #include #include KdmLayoutFixed::KdmLayoutFixed( const TQDomNode &/*node*/ ) { //Parsing FIXED parameters on 'node' [NONE!] } void KdmLayoutFixed::update( const TQRect &parentGeometry, bool force ) { kdDebug() << "KdmLayoutFixed::update " << parentGeometry << endl; // I can't layout children if the parent rectangle is not valid if (parentGeometry.width() < 0 || parentGeometry.height() < 0) { kdDebug() << "invalid\n"; return; } // For each child in list I ask their hinted size and set it! for (TQValueList::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) (*it)->setGeometry( (*it)->placementHint( parentGeometry ), force ); } KdmLayoutBox::KdmLayoutBox( const TQDomNode &node ) { //Parsing BOX parameters TQDomNode n = node; TQDomElement el = n.toElement(); box.isVertical = el.attribute( "orientation", "vertical" ) != "horizontal"; box.xpadding = el.attribute( "xpadding", "0" ).toInt(); box.ypadding = el.attribute( "ypadding", "0" ).toInt(); box.spacing = el.attribute( "spacing", "0" ).toInt(); box.minwidth = el.attribute( "min-width", "0" ).toInt(); box.minheight = el.attribute( "min-height", "0" ).toInt(); box.homogeneous = el.attribute( "homogeneous", "false" ) == "true"; } void KdmLayoutBox::update( const TQRect &parentGeometry, bool force ) { kdDebug() << this << " update " << parentGeometry << endl; // I can't layout children if the parent rectangle is not valid if (!parentGeometry.isValid() || parentGeometry.isEmpty()) return; // Check if box size was computed. If not compute it // TODO check if this prevents updating changing items // if (!hintedSize.isValid()) // sizeHint(); // kdDebug() << this << " hintedSize " << hintedSize << endl; //XXX why was this asymmetric? it broke things big time. TQRect childrenRect = /*box.isVertical ? TQRect( parentGeometry.topLeft(), hintedSize ) :*/ parentGeometry; // Begin cutting the parent rectangle to attach children on the right place childrenRect.addCoords( box.xpadding, box.ypadding, -box.xpadding, -box.ypadding ); kdDebug() << this << " childrenRect " << childrenRect << endl; // For each child in list ... if (box.homogeneous) { int ccnt = 0; for (TQValueList::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) if (!(*it)->isExplicitlyHidden()) ccnt++; int height = (childrenRect.height() - (ccnt - 1) * box.spacing) / ccnt; int width = (childrenRect.width() - (ccnt - 1) * box.spacing) / ccnt; for (TQValueList::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) { if ((*it)->isExplicitlyHidden()) continue; if (box.isVertical) { TQRect temp( childrenRect.left(), childrenRect.top(), childrenRect.width(), height ); (*it)->setGeometry( temp, force ); childrenRect.setTop( childrenRect.top() + height + box.spacing ); } else { TQRect temp( childrenRect.left(), childrenRect.top(), width, childrenRect.height() ); kdDebug() << "placement " << *it << " " << temp << " " << (*it)->placementHint( temp ) << endl; temp = (*it)->placementHint( temp ); (*it)->setGeometry( temp, force ); childrenRect.setLeft( childrenRect.left() + width + box.spacing ); } } } else { for (TQValueList::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) { if ((*it)->isExplicitlyHidden()) continue; TQRect temp = childrenRect, itemRect; if (box.isVertical) { temp.setHeight( 0 ); itemRect = (*it)->placementHint( temp ); temp.setHeight( itemRect.height() ); childrenRect.setTop( childrenRect.top() + itemRect.size().height() + box.spacing ); } else { temp.setWidth( 0 ); itemRect = (*it)->placementHint( temp ); kdDebug() << this << " placementHint " << *it << " " << temp << " " << itemRect << endl; temp.setWidth( itemRect.width() ); childrenRect.setLeft( childrenRect.left() + itemRect.size().width() + box.spacing ); kdDebug() << "childrenRect after " << *it << " " << childrenRect << endl; } itemRect = (*it)->placementHint( temp ); kdDebug() << this << " placementHint2 " << *it << " " << temp << " " << itemRect << endl; (*it)->setGeometry( itemRect, force ); } } } //FIXME truly experimental (is so close to greeter_geometry.c) QSize KdmLayoutBox::sizeHint() { // Sum up area taken by children int w = 0, h = 0; for (TQValueList::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) { TQSize s = (*it)->placementHint( TQRect() ).size(); if (box.isVertical) { if (s.width() > w) w = s.width(); h += s.height(); } else { if (s.height() > h) h = s.height(); w += s.width(); } } // Add padding and items spacing w += 2 * box.xpadding; h += 2 * box.ypadding; if (box.isVertical) h += box.spacing * (m_children.count() - 1); else w += box.spacing * (m_children.count() - 1); // Make hint at least equal to minimum size (if set) return TQSize( w < box.minwidth ? box.minwidth : w, h < box.minheight ? box.minheight : h ); }