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-rw-r--r--tdm/kfrontend/themer/tdmitem.cpp657
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diff --git a/tdm/kfrontend/themer/tdmitem.cpp b/tdm/kfrontend/themer/tdmitem.cpp
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+++ b/tdm/kfrontend/themer/tdmitem.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.
+ */
+
+/*
+ * Generic Kdm Item
+ */
+
+// #define DRAW_OUTLINE 1 // for debugging only
+
+#include "tdmitem.h"
+#include "tdmlayout.h"
+#include "tdmconfig.h"
+
+#include <kglobal.h>
+#include <kdebug.h>
+
+#include <tqframe.h>
+#include <tqwidget.h>
+#include <tqlayout.h>
+#include <tqimage.h>
+#include <tqpainter.h>
+
+extern bool argb_visual_available;
+
+KdmItem::KdmItem( KdmItem *parent, const TQDomNode &node, const char *name )
+ : TQObject( parent, name )
+ , boxManager( 0 )
+ , fixedManager( 0 )
+ , image( 0 )
+ , myWidget( 0 )
+ , myLayoutItem( 0 )
+ , buttonParent( 0 )
+{
+ init(node, name);
+}
+
+
+KdmItem::KdmItem( TQWidget *parent, const TQDomNode &node, const char *name )
+ : TQObject( parent, name )
+ , boxManager( 0 )
+ , fixedManager( 0 )
+ , image( 0 )
+ , myWidget( 0 )
+ , myLayoutItem( 0 )
+ , buttonParent( 0 )
+{
+ init(node, name);
+}
+
+void
+KdmItem::init( const TQDomNode &node, const char * )
+{
+ // Set default layout for every item
+ currentManager = MNone;
+ pos.x = pos.y = 0;
+ pos.width = pos.height = 1;
+ pos.xType = pos.yType = pos.wType = pos.hType = DTnone;
+ pos.anchor = "nw";
+ m_backgroundModifier = 255;
+
+ isShown = InitialHidden;
+
+ // Set defaults for derived item's properties
+ properties.incrementalPaint = false;
+ state = Snormal;
+
+ // The "toplevel" node (the screen) is really just like a fixed node
+ if (!parent() || !parent()->inherits( "KdmItem" )) {
+ setFixedLayout();
+ return;
+ }
+ // Read the mandatory Pos tag. Other tags such as normal, prelighted,
+ // etc.. are read under specific implementations.
+ TQDomNodeList childList = node.childNodes();
+ for (uint nod = 0; nod < childList.count(); nod++) {
+ TQDomNode child = childList.item( nod );
+ TQDomElement el = child.toElement();
+ TQString tagName = el.tagName(), attr;
+
+ if (tagName == "pos") {
+ parseAttribute( el.attribute( "x", TQString::null ), pos.x, pos.xType );
+ parseAttribute( el.attribute( "y", TQString::null ), pos.y, pos.yType );
+ parseAttribute( el.attribute( "width", TQString::null ), pos.width, pos.wType );
+ parseAttribute( el.attribute( "height", TQString::null ), pos.height, pos.hType );
+ pos.anchor = el.attribute( "anchor", "nw" );
+ }
+
+ if (tagName == "bgmodifier") {
+ m_backgroundModifier = TQString(el.attribute( "value", "255" )).toInt();
+ }
+ }
+
+ TQDomNode tnode = node;
+ id = tnode.toElement().attribute( "id", TQString::number( (ulong)this, 16 ) );
+
+ // Tell 'parent' to add 'me' to its children
+ KdmItem *parentItem = static_cast<KdmItem *>( parent() );
+ parentItem->addChildItem( this );
+}
+
+KdmItem::~KdmItem()
+{
+ delete boxManager;
+ delete fixedManager;
+ delete image;
+}
+
+void
+KdmItem::update()
+{
+}
+
+void
+KdmItem::needUpdate()
+{
+ emit needUpdate( area.x(), area.y(), area.width(), area.height() );
+}
+
+void
+KdmItem::show( bool force )
+{
+ if (isShown != InitialHidden && !force)
+ return;
+
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->show();
+
+ isShown = Shown;
+
+ if (myWidget)
+ myWidget->show();
+ // XXX showing of layouts not implemented, prolly pointless anyway
+
+ needUpdate();
+}
+
+void
+KdmItem::hide( bool force )
+{
+ if (isShown == ExplicitlyHidden)
+ return;
+
+ if (isShown == InitialHidden && force) {
+ isShown = ExplicitlyHidden;
+ return; // no need for further action
+ }
+
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->hide();
+
+ isShown = force ? ExplicitlyHidden : InitialHidden;
+
+ if (myWidget)
+ myWidget->hide();
+ // XXX hiding of layouts not implemented, prolly pointless anyway
+
+ needUpdate();
+}
+
+void
+KdmItem::inheritFromButton( KdmItem *button )
+{
+ if (button)
+ buttonParent = button;
+
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->inheritFromButton( button );
+}
+
+KdmItem *
+KdmItem::findNode( const TQString &_id ) const
+{
+ if (id == _id)
+ return const_cast<KdmItem *>( this );
+
+ TQValueList<KdmItem *>::ConstIterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it) {
+ KdmItem *t = (*it)->findNode( _id );
+ if (t)
+ return t;
+ }
+
+ return 0;
+}
+
+void
+KdmItem::setWidget( TQWidget *widget )
+{
+// delete myWidget; -- themer->widget() owns the widgets
+
+ myWidget = widget;
+ if (isHidden())
+ myWidget->hide();
+ else
+ myWidget->show();
+
+ // Remove borders so that it blends nicely with the theme background
+ TQFrame* frame = ::tqqt_cast<TQFrame *>( widget );
+ if (frame)
+ frame->setFrameStyle( TQFrame::NoFrame );
+
+ setGeometry(area, true);
+
+ connect( myWidget, TQT_SIGNAL(destroyed()), TQT_SLOT(widgetGone()) );
+}
+
+void
+KdmItem::widgetGone()
+{
+ myWidget = 0;
+}
+
+void
+KdmItem::setLayoutItem( TQLayoutItem *item )
+{
+ myLayoutItem = item;
+ // XXX hiding not supported - it think it's pointless here
+ if (myLayoutItem->widget())
+ connect( myLayoutItem->widget(), TQT_SIGNAL(destroyed()),
+ TQT_SLOT(layoutItemGone()) );
+ else if (myLayoutItem->layout())
+ connect( myLayoutItem->layout(), TQT_SIGNAL(destroyed()),
+ TQT_SLOT(layoutItemGone()) );
+}
+
+void
+KdmItem::layoutItemGone()
+{
+ myLayoutItem = 0;
+}
+
+/* This is called as a result of KdmLayout::update, and directly on the root */
+void
+KdmItem::setGeometry( const TQRect &newGeometry, bool force )
+{
+ kdDebug() << " KdmItem::setGeometry " << id << newGeometry << endl;
+ // check if already 'in place'
+ if (!force && area == newGeometry)
+ return;
+
+ area = newGeometry;
+
+ if (myWidget) {
+ TQRect widGeo = newGeometry;
+ if ( widGeo.height() > myWidget->maximumHeight() ) {
+ widGeo.moveTop( widGeo.top() + ( widGeo.height() - myWidget->maximumHeight() ) / 2 );
+ widGeo.setHeight( myWidget->maximumHeight() );
+ }
+ myWidget->setGeometry( widGeo );
+ }
+ if (myLayoutItem)
+ myLayoutItem->setGeometry( newGeometry );
+
+ // recurr to all boxed children
+ if (boxManager && !boxManager->isEmpty())
+ boxManager->update( newGeometry, force );
+
+ // recurr to all fixed children
+ if (fixedManager && !fixedManager->isEmpty())
+ fixedManager->update( newGeometry, force );
+
+ // TODO send *selective* repaint signal
+}
+
+void
+KdmItem::paint( TQPainter *p, const TQRect &rect )
+{
+ if (isHidden())
+ return;
+
+ if (myWidget || (myLayoutItem && myLayoutItem->widget())) {
+ // KListView because it's missing a Q_OBJECT'
+ // FIXME: This is a nice idea in theory, but in practice it is
+ // very confusing for the user not to see the empty list box
+ // delineated from the rest of the greeter.
+ // Maybe set a darker version of the background instead of an exact copy?
+ if ( myWidget && myWidget->isA( "KListView" ) ) {
+ if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
+ TQPixmap copy( myWidget->size() );
+ kdDebug() << myWidget->geometry() << " " << area << " " << myWidget->size() << endl;
+ bitBlt( &copy, TQPoint( 0, 0), p->device(), myWidget->geometry(), TQt::CopyROP );
+ // Lighten it slightly
+ TQImage lightVersion;
+ lightVersion = copy.convertToImage();
+
+ register uchar * r = lightVersion.bits();
+ register uchar * g = lightVersion.bits() + 1;
+ register uchar * b = lightVersion.bits() + 2;
+ uchar * end = lightVersion.bits() + lightVersion.numBytes();
+
+ while ( r != end ) {
+ if ((*r) < (255-m_backgroundModifier))
+ *r = (uchar) (*r) + m_backgroundModifier;
+ else
+ *r = 255;
+ if ((*g) < (255-m_backgroundModifier))
+ *g = (uchar) (*g) + m_backgroundModifier;
+ else
+ *g = 255;
+ if ((*b) < (255-m_backgroundModifier))
+ *b = (uchar) (*b) + m_backgroundModifier;
+ else
+ *b = 255;
+ r += 4;
+ g += 4;
+ b += 4;
+ }
+
+ copy = lightVersion;
+ // Set it
+ myWidget->setPaletteBackgroundPixmap( copy );
+ }
+ else {
+ // We have compositing support!
+ TQRgb blend_color = tqRgba(m_backgroundModifier, m_backgroundModifier, m_backgroundModifier, 0); // RGBA overlay
+ float alpha = tqAlpha(blend_color) / 255.;
+ int pixel = tqAlpha(blend_color) << 24 |
+ int(tqRed(blend_color) * alpha) << 16 |
+ int(tqGreen(blend_color) * alpha) << 8 |
+ int(tqBlue(blend_color) * alpha);
+
+ TQImage img( myWidget->size(), 32 );
+ img = img.convertDepth(32);
+ img.setAlphaBuffer(true);
+ register uchar * rd = img.bits();
+ for( int y = 0; y < img.height(); ++y )
+ {
+ for( short int x = 0; x < img.width(); ++x )
+ {
+ *reinterpret_cast<TQRgb*>(rd) = blend_color;
+ rd += 4;
+ }
+ }
+ myWidget->setPaletteBackgroundPixmap( img );
+ }
+ }
+ return;
+ }
+
+ if (area.intersects( rect )) {
+ TQRect contentsRect = area.intersect( rect );
+ contentsRect.moveBy( QMIN( 0, -area.x() ), QMIN( 0, -area.y() ) );
+ drawContents( p, contentsRect );
+ }
+
+#ifdef DRAW_OUTLINE
+ // Draw bounding rect for this item
+ p->setPen( Qt::white );
+ p->drawRect( area );
+#endif
+
+ if (myLayoutItem)
+ return;
+
+ // Dispatch paint events to children
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->paint( p, rect );
+
+
+}
+
+KdmItem *KdmItem::currentActive = 0;
+
+void
+KdmItem::mouseEvent( int x, int y, bool pressed, bool released )
+{
+ if (isShown == ExplicitlyHidden)
+ return;
+
+ if (buttonParent && buttonParent != this) {
+ buttonParent->mouseEvent( x, y, pressed, released );
+ return;
+ }
+
+ ItemState oldState = state;
+ if (area.contains( x, y )) {
+ if (released && oldState == Sactive) {
+ if (buttonParent)
+ emit activated( id );
+ state = Sprelight;
+ currentActive = 0;
+ } else if (pressed || currentActive == this) {
+ state = Sactive;
+ currentActive = this;
+ } else if (!currentActive)
+ state = Sprelight;
+ else
+ state = Snormal;
+ } else {
+ if (released)
+ currentActive = 0;
+ if (currentActive == this)
+ state = Sprelight;
+ else
+ state = Snormal;
+ }
+
+ if (!buttonParent) {
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it)
+ (*it)->mouseEvent( x, y, pressed, released );
+ }
+
+ if (oldState != state)
+ statusChanged();
+}
+
+void
+KdmItem::statusChanged()
+{
+ if (buttonParent == this) {
+ TQValueList<KdmItem *>::Iterator it;
+ for (it = m_children.begin(); it != m_children.end(); ++it) {
+ (*it)->state = state;
+ (*it)->statusChanged();
+ }
+ }
+}
+
+// BEGIN protected inheritable
+
+TQSize
+KdmItem::sizeHint()
+{
+ if (myWidget)
+ return myWidget->size();
+ if (myLayoutItem)
+ return myLayoutItem->sizeHint();
+ int w = pos.wType == DTpixel ? kAbs( pos.width ) : -1,
+ h = pos.hType == DTpixel ? kAbs( pos.height ) : -1;
+ return TQSize( w, h );
+}
+
+TQRect
+KdmItem::placementHint( const TQRect &parentRect )
+{
+ TQSize hintedSize = sizeHint();
+ TQSize boxHint;
+
+ int x = parentRect.left(),
+ y = parentRect.top(),
+ w = parentRect.width(),
+ h = parentRect.height();
+
+ kdDebug() << timestamp() << " KdmItem::placementHint parentRect=" << parentRect << " hintedSize=" << hintedSize << endl;
+
+ // check if width or height are set to "box"
+ if (pos.wType == DTbox || pos.hType == DTbox) {
+ if (myLayoutItem || myWidget)
+ boxHint = hintedSize;
+ else {
+ if (!boxManager)
+ return parentRect;
+ boxHint = boxManager->sizeHint();
+ }
+ kdDebug() << timestamp() << " boxHint " << boxHint << endl;
+ }
+
+ if (pos.xType == DTpixel)
+ x += pos.x;
+ else if (pos.xType == DTnpixel)
+ x = parentRect.right() - pos.x;
+ else if (pos.xType == DTpercent)
+ x += tqRound( parentRect.width() / 100.0 * pos.x );
+
+ if (pos.yType == DTpixel)
+ y += pos.y;
+ else if (pos.yType == DTnpixel)
+ y = parentRect.bottom() - pos.y;
+ else if (pos.yType == DTpercent)
+ y += tqRound( parentRect.height() / 100.0 * pos.y );
+
+ if (pos.wType == DTpixel)
+ w = pos.width;
+ else if (pos.wType == DTnpixel)
+ w -= pos.width;
+ else if (pos.wType == DTpercent)
+ w = tqRound( parentRect.width() / 100.0 * pos.width );
+ else if (pos.wType == DTbox)
+ w = boxHint.width();
+ else if (hintedSize.width() > 0)
+ w = hintedSize.width();
+ else
+ w = 0;
+
+ if (pos.hType == DTpixel)
+ h = pos.height;
+ else if (pos.hType == DTnpixel)
+ h -= pos.height;
+ else if (pos.hType == DTpercent)
+ h = tqRound( parentRect.height() / 100.0 * pos.height );
+ else if (pos.hType == DTbox)
+ h = boxHint.height();
+ else if (hintedSize.height() > 0) {
+ if (w && pos.wType != DTnone)
+ h = (hintedSize.height() * w) / hintedSize.width();
+ else
+ h = hintedSize.height();
+ } else
+ h = 0;
+
+ // we choose to take the hinted size, but it's better to listen to the aspect ratio
+ if (pos.wType == DTnone && pos.hType != DTnone && h && w) {
+ w = tqRound(float(hintedSize.width() * h) / hintedSize.height());
+ }
+
+ // defaults to center
+ int dx = -w / 2, dy = -h / 2;
+
+ // anchor the rect to an edge / corner
+ if (pos.anchor.length() > 0 && pos.anchor.length() < 3) {
+ if (pos.anchor.find( 'n' ) >= 0)
+ dy = 0;
+ if (pos.anchor.find( 's' ) >= 0)
+ dy = -h;
+ if (pos.anchor.find( 'w' ) >= 0)
+ dx = 0;
+ if (pos.anchor.find( 'e' ) >= 0)
+ dx = -w;
+ }
+ // KdmItem *p = static_cast<KdmItem*>( parent() );
+ kdDebug() << timestamp() << " placementHint " << this << " x=" << x << " dx=" << dx << " w=" << w << " y=" << y << " dy=" << dy << " h=" << h << " " << parentRect << endl;
+ y += dy;
+ x += dx;
+
+ // Note: no clipping to parent because this broke many themes!
+ return TQRect( x, y, w, h );
+}
+
+// END protected inheritable
+
+
+void
+KdmItem::addChildItem( KdmItem *item )
+{
+ m_children.append( item );
+ switch (currentManager) {
+ case MNone: // fallback to the 'fixed' case
+ setFixedLayout();
+ case MFixed:
+ fixedManager->addItem( item );
+ break;
+ case MBox:
+ boxManager->addItem( item );
+ break;
+ }
+
+ // 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_OBJECT_NAME_STRING))
+ return (TQWidget*)parent();
+ return ((KdmItem*)parent())->parentWidget();
+}
+
+#include "tdmitem.moc"
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