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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /kdm/kfrontend/themer/kdmlayout.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kdm/kfrontend/themer/kdmlayout.cpp b/kdm/kfrontend/themer/kdmlayout.cpp
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+/*
+ * Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
+ * Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
+ * Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
+ * Copyright (C) 2004 by Oswald Buddenhagen <ossi@kde.org>
+ *
+ * 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 <kdebug.h>
+
+#include <qdom.h>
+#include <qrect.h>
+
+KdmLayoutFixed::KdmLayoutFixed( const QDomNode &/*node*/ )
+{
+ //Parsing FIXED parameters on 'node' [NONE!]
+}
+
+void
+KdmLayoutFixed::update( const QRect &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 (QValueList<KdmItem *>::ConstIterator it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->setGeometry( (*it)->placementHint( parentGeometry ), force );
+}
+
+KdmLayoutBox::KdmLayoutBox( const QDomNode &node )
+{
+ //Parsing BOX parameters
+ QDomNode n = node;
+ QDomElement 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 QRect &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.
+ QRect childrenRect = /*box.isVertical ? QRect( 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 (QValueList<KdmItem *>::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 (QValueList<KdmItem *>::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) {
+ if ((*it)->isExplicitlyHidden())
+ continue;
+ if (box.isVertical) {
+ QRect temp( childrenRect.left(), childrenRect.top(), childrenRect.width(), height );
+ (*it)->setGeometry( temp, force );
+ childrenRect.setTop( childrenRect.top() + height + box.spacing );
+ } else {
+ QRect 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 (QValueList<KdmItem *>::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) {
+ if ((*it)->isExplicitlyHidden())
+ continue;
+
+ QRect 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 (QValueList<KdmItem *>::ConstIterator it = m_children.begin(); it != m_children.end(); ++it) {
+ QSize s = (*it)->placementHint( QRect() ).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 QSize( w < box.minwidth ? box.minwidth : w,
+ h < box.minheight ? box.minheight : h );
+}