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630 lines
16 KiB
630 lines
16 KiB
/*
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* Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
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* Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
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* Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
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* Copyright (C) 2004 by Oswald Buddenhagen <ossi@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/*
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* Generic Kdm Item
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*/
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// #define DRAW_OUTLINE 1 // for debugging only
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#include "kdmitem.h"
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#include "kdmlayout.h"
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#include "kdmconfig.h"
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#include <kglobal.h>
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#include <kdebug.h>
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#include <tqframe.h>
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#include <tqwidget.h>
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#include <tqlayout.h>
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#include <tqimage.h>
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#include <tqpainter.h>
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KdmItem::KdmItem( KdmItem *parent, const TQDomNode &node, const char *name )
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: TQObject( parent, name )
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, boxManager( 0 )
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, fixedManager( 0 )
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, image( 0 )
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, myWidget( 0 )
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, myLayoutItem( 0 )
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, buttonParent( 0 )
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{
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init(node, name);
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}
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KdmItem::KdmItem( TQWidget *parent, const TQDomNode &node, const char *name )
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: TQObject( parent, name )
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, boxManager( 0 )
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, fixedManager( 0 )
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, image( 0 )
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, myWidget( 0 )
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, myLayoutItem( 0 )
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, buttonParent( 0 )
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{
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init(node, name);
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}
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void
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KdmItem::init( const TQDomNode &node, const char * )
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{
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// Set default layout for every item
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currentManager = MNone;
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pos.x = pos.y = 0;
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pos.width = pos.height = 1;
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pos.xType = pos.yType = pos.wType = pos.hType = DTnone;
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pos.anchor = "nw";
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m_backgroundModifier = 255;
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isShown = InitialHidden;
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// Set defaults for derived item's properties
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properties.incrementalPaint = false;
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state = Snormal;
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// The "toplevel" node (the screen) is really just like a fixed node
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if (!parent() || !parent()->inherits( "KdmItem" )) {
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setFixedLayout();
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return;
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}
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// Read the mandatory Pos tag. Other tags such as normal, prelighted,
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// etc.. are read under specific implementations.
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TQDomNodeList childList = node.childNodes();
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for (uint nod = 0; nod < childList.count(); nod++) {
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TQDomNode child = childList.item( nod );
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TQDomElement el = child.toElement();
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TQString tagName = el.tagName(), attr;
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if (tagName == "pos") {
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parseAttribute( el.attribute( "x", TQString::null ), pos.x, pos.xType );
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parseAttribute( el.attribute( "y", TQString::null ), pos.y, pos.yType );
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parseAttribute( el.attribute( "width", TQString::null ), pos.width, pos.wType );
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parseAttribute( el.attribute( "height", TQString::null ), pos.height, pos.hType );
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pos.anchor = el.attribute( "anchor", "nw" );
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}
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if (tagName == "bgmodifier") {
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m_backgroundModifier = TQString(el.attribute( "value", "255" )).toInt();
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}
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}
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TQDomNode tnode = node;
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id = tnode.toElement().attribute( "id", TQString::number( (ulong)this, 16 ) );
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// Tell 'parent' to add 'me' to its children
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KdmItem *parentItem = static_cast<KdmItem *>( parent() );
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parentItem->addChildItem( this );
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}
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KdmItem::~KdmItem()
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{
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delete boxManager;
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delete fixedManager;
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delete image;
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}
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void
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KdmItem::update()
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{
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}
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void
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KdmItem::needUpdate()
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{
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emit needUpdate( area.x(), area.y(), area.width(), area.height() );
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}
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void
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KdmItem::show( bool force )
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{
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if (isShown != InitialHidden && !force)
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return;
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it)
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(*it)->show();
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isShown = Shown;
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if (myWidget)
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myWidget->show();
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// XXX showing of layouts not implemented, prolly pointless anyway
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needUpdate();
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}
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void
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KdmItem::hide( bool force )
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{
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if (isShown == ExplicitlyHidden)
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return;
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if (isShown == InitialHidden && force) {
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isShown = ExplicitlyHidden;
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return; // no need for further action
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}
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it)
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(*it)->hide();
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isShown = force ? ExplicitlyHidden : InitialHidden;
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if (myWidget)
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myWidget->hide();
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// XXX hiding of layouts not implemented, prolly pointless anyway
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needUpdate();
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}
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void
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KdmItem::inheritFromButton( KdmItem *button )
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{
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if (button)
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buttonParent = button;
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it)
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(*it)->inheritFromButton( button );
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}
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KdmItem *
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KdmItem::findNode( const TQString &_id ) const
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{
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if (id == _id)
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return const_cast<KdmItem *>( this );
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TQValueList<KdmItem *>::ConstIterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it) {
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KdmItem *t = (*it)->findNode( _id );
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if (t)
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return t;
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}
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return 0;
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}
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void
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KdmItem::setWidget( TQWidget *widget )
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{
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// delete myWidget; -- themer->widget() owns the widgets
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myWidget = widget;
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if (isHidden())
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myWidget->hide();
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else
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myWidget->show();
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// Remove borders so that it blends nicely with the theme background
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TQFrame* frame = ::qt_cast<TQFrame *>( widget );
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if (frame)
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frame->setFrameStyle( TQFrame::NoFrame );
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setGeometry(area, true);
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connect( myWidget, TQT_SIGNAL(destroyed()), TQT_SLOT(widgetGone()) );
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}
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void
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KdmItem::widgetGone()
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{
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myWidget = 0;
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}
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void
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KdmItem::setLayoutItem( TQLayoutItem *item )
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{
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myLayoutItem = item;
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// XXX hiding not supported - it think it's pointless here
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if (myLayoutItem->widget())
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connect( myLayoutItem->widget(), TQT_SIGNAL(destroyed()),
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TQT_SLOT(layoutItemGone()) );
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else if (myLayoutItem->layout())
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connect( myLayoutItem->layout(), TQT_SIGNAL(destroyed()),
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TQT_SLOT(layoutItemGone()) );
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}
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void
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KdmItem::layoutItemGone()
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{
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myLayoutItem = 0;
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}
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/* This is called as a result of KdmLayout::update, and directly on the root */
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void
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KdmItem::setGeometry( const TQRect &newGeometry, bool force )
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{
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kdDebug() << " KdmItem::setGeometry " << id << newGeometry << endl;
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// check if already 'in place'
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if (!force && area == newGeometry)
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return;
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area = newGeometry;
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if (myWidget) {
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TQRect widGeo = newGeometry;
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if ( widGeo.height() > myWidget->maximumHeight() ) {
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widGeo.moveTop( widGeo.top() + ( widGeo.height() - myWidget->maximumHeight() ) / 2 );
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widGeo.setHeight( myWidget->maximumHeight() );
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}
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myWidget->setGeometry( widGeo );
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}
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if (myLayoutItem)
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myLayoutItem->setGeometry( newGeometry );
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// recurr to all boxed children
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if (boxManager && !boxManager->isEmpty())
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boxManager->update( newGeometry, force );
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// recurr to all fixed children
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if (fixedManager && !fixedManager->isEmpty())
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fixedManager->update( newGeometry, force );
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// TODO send *selective* repaint signal
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}
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void
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KdmItem::paint( TQPainter *p, const TQRect &rect )
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{
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if (isHidden())
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return;
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if (myWidget || (myLayoutItem && myLayoutItem->widget())) {
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// KListView because it's missing a Q_OBJECT'
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// FIXME: This is a nice idea intheory, but in practice it is
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// very confusing for the user not to see the empty list box
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// delineated from the rest of the greeter.
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// Maybe set a darker version of the background instead of an exact copy?
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if ( myWidget && myWidget->isA( "KListView" ) ) {
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TQPixmap copy( myWidget->size() );
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kdDebug() << myWidget->geometry() << " " << area << " " << myWidget->size() << endl;
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bitBlt( ©, TQPoint( 0, 0), p->device(), myWidget->geometry(), Qt::CopyROP );
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// Lighten it slightly
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TQImage lightVersion;
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lightVersion = copy.convertToImage();
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register uchar * r = lightVersion.bits();
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register uchar * g = lightVersion.bits() + 1;
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register uchar * b = lightVersion.bits() + 2;
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uchar * end = lightVersion.bits() + lightVersion.numBytes();
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while ( r != end ) {
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if ((*r) < (255-m_backgroundModifier))
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*r = (uchar) (*r) + m_backgroundModifier;
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else
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*r = 255;
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if ((*g) < (255-m_backgroundModifier))
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*g = (uchar) (*g) + m_backgroundModifier;
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else
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*g = 255;
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if ((*b) < (255-m_backgroundModifier))
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*b = (uchar) (*b) + m_backgroundModifier;
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else
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*b = 255;
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r += 4;
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g += 4;
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b += 4;
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}
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copy = lightVersion;
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// Set it
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myWidget->setPaletteBackgroundPixmap( copy );
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}
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return;
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}
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if (area.intersects( rect )) {
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TQRect contentsRect = area.intersect( rect );
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contentsRect.moveBy( QMIN( 0, -area.x() ), QMIN( 0, -area.y() ) );
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drawContents( p, contentsRect );
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}
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#ifdef DRAW_OUTLINE
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// Draw bounding rect for this item
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p->setPen( Qt::white );
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p->drawRect( area );
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#endif
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if (myLayoutItem)
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return;
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// Dispatch paint events to children
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it)
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(*it)->paint( p, rect );
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}
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KdmItem *KdmItem::currentActive = 0;
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void
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KdmItem::mouseEvent( int x, int y, bool pressed, bool released )
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{
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if (isShown == ExplicitlyHidden)
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return;
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if (buttonParent && buttonParent != this) {
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buttonParent->mouseEvent( x, y, pressed, released );
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return;
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}
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ItemState oldState = state;
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if (area.contains( x, y )) {
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if (released && oldState == Sactive) {
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if (buttonParent)
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emit activated( id );
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state = Sprelight;
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currentActive = 0;
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} else if (pressed || currentActive == this) {
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state = Sactive;
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currentActive = this;
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} else if (!currentActive)
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state = Sprelight;
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else
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state = Snormal;
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} else {
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if (released)
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currentActive = 0;
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if (currentActive == this)
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state = Sprelight;
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else
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state = Snormal;
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}
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if (!buttonParent) {
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it)
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(*it)->mouseEvent( x, y, pressed, released );
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}
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if (oldState != state)
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statusChanged();
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}
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void
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KdmItem::statusChanged()
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{
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if (buttonParent == this) {
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TQValueList<KdmItem *>::Iterator it;
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for (it = m_children.begin(); it != m_children.end(); ++it) {
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(*it)->state = state;
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(*it)->statusChanged();
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}
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}
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}
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// BEGIN protected inheritable
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QSize
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KdmItem::sizeHint()
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{
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if (myWidget)
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return myWidget->size();
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if (myLayoutItem)
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return myLayoutItem->sizeHint();
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int w = pos.wType == DTpixel ? kAbs( pos.width ) : -1,
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h = pos.hType == DTpixel ? kAbs( pos.height ) : -1;
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return TQSize( w, h );
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}
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QRect
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KdmItem::placementHint( const TQRect &parentRect )
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{
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TQSize hintedSize = sizeHint();
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TQSize boxHint;
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int x = parentRect.left(),
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y = parentRect.top(),
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w = parentRect.width(),
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h = parentRect.height();
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kdDebug() << timestamp() << " KdmItem::placementHint parentRect=" << parentRect << " hintedSize=" << hintedSize << endl;
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// check if width or height are set to "box"
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if (pos.wType == DTbox || pos.hType == DTbox) {
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if (myLayoutItem || myWidget)
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boxHint = hintedSize;
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else {
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if (!boxManager)
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return parentRect;
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boxHint = boxManager->sizeHint();
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}
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kdDebug() << timestamp() << " boxHint " << boxHint << endl;
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}
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if (pos.xType == DTpixel)
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x += pos.x;
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else if (pos.xType == DTnpixel)
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x = parentRect.right() - pos.x;
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else if (pos.xType == DTpercent)
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x += qRound( parentRect.width() / 100.0 * pos.x );
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if (pos.yType == DTpixel)
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y += pos.y;
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else if (pos.yType == DTnpixel)
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y = parentRect.bottom() - pos.y;
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else if (pos.yType == DTpercent)
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y += qRound( parentRect.height() / 100.0 * pos.y );
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if (pos.wType == DTpixel)
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w = pos.width;
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else if (pos.wType == DTnpixel)
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w -= pos.width;
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else if (pos.wType == DTpercent)
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w = qRound( parentRect.width() / 100.0 * pos.width );
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else if (pos.wType == DTbox)
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w = boxHint.width();
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else if (hintedSize.width() > 0)
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w = hintedSize.width();
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else
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w = 0;
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if (pos.hType == DTpixel)
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h = pos.height;
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else if (pos.hType == DTnpixel)
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h -= pos.height;
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else if (pos.hType == DTpercent)
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h = qRound( parentRect.height() / 100.0 * pos.height );
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else if (pos.hType == DTbox)
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h = boxHint.height();
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else if (hintedSize.height() > 0) {
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if (w && pos.wType != DTnone)
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h = (hintedSize.height() * w) / hintedSize.width();
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else
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h = hintedSize.height();
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} else
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h = 0;
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// we choose to take the hinted size, but it's better to listen to the aspect ratio
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if (pos.wType == DTnone && pos.hType != DTnone && h && w) {
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w = qRound(float(hintedSize.width() * h) / hintedSize.height());
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}
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// defaults to center
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int dx = -w / 2, dy = -h / 2;
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// anchor the rect to an edge / corner
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if (pos.anchor.length() > 0 && pos.anchor.length() < 3) {
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if (pos.anchor.find( 'n' ) >= 0)
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dy = 0;
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if (pos.anchor.find( 's' ) >= 0)
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dy = -h;
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if (pos.anchor.find( 'w' ) >= 0)
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dx = 0;
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if (pos.anchor.find( 'e' ) >= 0)
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dx = -w;
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}
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// KdmItem *p = static_cast<KdmItem*>( parent() );
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kdDebug() << timestamp() << " placementHint " << this << " x=" << x << " dx=" << dx << " w=" << w << " y=" << y << " dy=" << dy << " h=" << h << " " << parentRect << endl;
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y += dy;
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x += dx;
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// Note: no clipping to parent because this broke many themes!
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return TQRect( x, y, w, h );
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}
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// END protected inheritable
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void
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KdmItem::addChildItem( KdmItem *item )
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{
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m_children.append( item );
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switch (currentManager) {
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case MNone: // fallback to the 'fixed' case
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setFixedLayout();
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case MFixed:
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fixedManager->addItem( item );
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break;
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case MBox:
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boxManager->addItem( item );
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break;
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}
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|
|
// signal bounce from child to parent
|
|
connect( item, TQT_SIGNAL(needUpdate( int, int, int, int )), TQT_SIGNAL(needUpdate( int, int, int, int )) );
|
|
connect( item, TQT_SIGNAL(activated( const TQString & )), TQT_SIGNAL(activated( const TQString & )) );
|
|
}
|
|
|
|
void
|
|
KdmItem::parseAttribute( const TQString &s, int &val, enum DataType &dType )
|
|
{
|
|
if (s.isEmpty())
|
|
return;
|
|
|
|
int p;
|
|
if (s == "box") { // box value
|
|
dType = DTbox;
|
|
val = 0;
|
|
} else if ((p = s.find( '%' )) >= 0) { // percent value
|
|
dType = DTpercent;
|
|
TQString sCopy = s;
|
|
sCopy.remove( p, 1 );
|
|
sCopy.replace( ',', '.' );
|
|
val = (int)sCopy.toDouble();
|
|
} else { // int value
|
|
dType = DTpixel;
|
|
TQString sCopy = s;
|
|
if (sCopy.at( 0 ) == '-') {
|
|
sCopy.remove( 0, 1 );
|
|
dType = DTnpixel;
|
|
}
|
|
sCopy.replace( ',', '.' );
|
|
val = (int)sCopy.toDouble();
|
|
}
|
|
}
|
|
|
|
void
|
|
KdmItem::parseFont( const TQString &s, TQFont &font )
|
|
{
|
|
int splitAt = s.findRev( ' ' );
|
|
if (splitAt < 1)
|
|
return;
|
|
font.setFamily( s.left( splitAt ) );
|
|
int fontSize = s.mid( splitAt + 1 ).toInt();
|
|
if (fontSize > 1)
|
|
font.setPointSize( fontSize );
|
|
}
|
|
|
|
void
|
|
KdmItem::parseColor( const TQString &s, TQColor &color )
|
|
{
|
|
if (s.at( 0 ) != '#')
|
|
return;
|
|
bool ok;
|
|
TQString sCopy = s;
|
|
int hexColor = sCopy.remove( 0, 1 ).toInt( &ok, 16 );
|
|
if (ok)
|
|
color.setRgb( hexColor );
|
|
}
|
|
|
|
void
|
|
KdmItem::setBoxLayout( const TQDomNode &node )
|
|
{
|
|
if (!boxManager)
|
|
boxManager = new KdmLayoutBox( node );
|
|
currentManager = MBox;
|
|
}
|
|
|
|
void
|
|
KdmItem::setFixedLayout( const TQDomNode &node )
|
|
{
|
|
if (!fixedManager)
|
|
fixedManager = new KdmLayoutFixed( node );
|
|
currentManager = MFixed;
|
|
}
|
|
|
|
TQWidget *
|
|
KdmItem::parentWidget() const
|
|
{
|
|
if (myWidget)
|
|
return myWidget;
|
|
if (!this->parent())
|
|
return 0;
|
|
|
|
if (parent()->qt_cast("TQWidget"))
|
|
return (TQWidget*)parent();
|
|
return ((KdmItem*)parent())->parentWidget();
|
|
}
|
|
|
|
#include "kdmitem.moc"
|