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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/kdmthemer.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
Diffstat (limited to 'kdm/kfrontend/themer/kdmthemer.cpp')
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diff --git a/kdm/kfrontend/themer/kdmthemer.cpp b/kdm/kfrontend/themer/kdmthemer.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 "kdmthemer.h"
+#include "kdmitem.h"
+#include "kdmpixmap.h"
+#include "kdmrect.h"
+#include "kdmlabel.h"
+
+#include <kdmconfig.h>
+#include <kfdialog.h>
+
+#include <kiconloader.h>
+#include <kimageeffect.h>
+#include <klocale.h>
+#include <ksimpleconfig.h>
+#include <kdebug.h>
+
+#include <qfile.h>
+#include <qfileinfo.h>
+//#include <qtimer.h> // animation timer - TODO
+#include <qobjectlist.h>
+#include <qpainter.h>
+#include <qwidget.h>
+#include <qregion.h>
+
+#include <unistd.h>
+
+/*
+ * KdmThemer. The main theming interface
+ */
+KdmThemer::KdmThemer( const QString &_filename, const QString &mode, QWidget *parent )
+ : QObject( parent )
+ , rootItem( 0 )
+ , backBuffer( 0 )
+{
+ // Set the mode we're working in
+ m_currentMode = mode;
+
+ // read the XML file and create DOM tree
+ QString filename = _filename;
+ if (!::access( QFile::encodeName( filename + "/GdmGreeterTheme.desktop" ), R_OK )) {
+ KSimpleConfig cfg( filename + "/GdmGreeterTheme.desktop" );
+ cfg.setGroup( "GdmGreeterTheme" );
+ filename += '/' + cfg.readEntry( "Greeter" );
+ }
+ QFile opmlFile( filename );
+ if (!opmlFile.open( IO_ReadOnly )) {
+ FDialog::box( widget(), errorbox, i18n( "Cannot open theme file %1" ).arg(filename) );
+ return;
+ }
+ if (!domTree.setContent( &opmlFile )) {
+ FDialog::box( widget(), errorbox, i18n( "Cannot parse theme file %1" ).arg(filename) );
+ return;
+ }
+ // Set the root (screen) item
+ rootItem = new KdmRect( 0, QDomNode(), "kdm root" );
+ connect( rootItem, SIGNAL(needUpdate( int, int, int, int )),
+ widget(), SLOT(update( int, int, int, int )) );
+
+ rootItem->setBaseDir( QFileInfo( filename ).dirPath( true ) );
+
+ // generate all the items defined in the theme
+ generateItems( rootItem );
+
+ connect( rootItem, SIGNAL(activated( const QString & )), SIGNAL(activated( const QString & )) );
+
+/* *TODO*
+ // Animation timer
+ QTimer *time = new QTimer( this );
+ time->start( 500 );
+ connect( time, SIGNAL(timeout()), SLOT(update()) )
+*/
+}
+
+KdmThemer::~KdmThemer()
+{
+ delete rootItem;
+ delete backBuffer;
+}
+
+inline QWidget *
+KdmThemer::widget()
+{
+ return static_cast<QWidget *>(parent());
+}
+
+KdmItem *
+KdmThemer::findNode( const QString &item ) const
+{
+ return rootItem->findNode( item );
+}
+
+void
+KdmThemer::updateGeometry( bool force )
+{
+ rootItem->setGeometry( QRect( QPoint(), widget()->size() ), force );
+}
+
+// BEGIN other functions
+
+void
+KdmThemer::widgetEvent( QEvent *e )
+{
+ if (!rootItem)
+ return;
+ switch (e->type()) {
+ case QEvent::MouseMove:
+ {
+ QMouseEvent *me = static_cast<QMouseEvent *>(e);
+ rootItem->mouseEvent( me->x(), me->y() );
+ }
+ break;
+ case QEvent::MouseButtonPress:
+ {
+ QMouseEvent *me = static_cast<QMouseEvent *>(e);
+ rootItem->mouseEvent( me->x(), me->y(), true );
+ }
+ break;
+ case QEvent::MouseButtonRelease:
+ {
+ QMouseEvent *me = static_cast<QMouseEvent *>(e);
+ rootItem->mouseEvent( me->x(), me->y(), false, true );
+ }
+ break;
+ case QEvent::Show:
+ rootItem->show();
+ break;
+ case QEvent::Resize:
+ updateGeometry( false );
+ showStructure( rootItem );
+ break;
+ case QEvent::Paint:
+ {
+ QRect paintRect = static_cast<QPaintEvent *>(e)->rect();
+ kdDebug() << "paint on: " << paintRect << endl;
+
+ if (!backBuffer)
+ backBuffer = new QPixmap( widget()->size() );
+ if (backBuffer->size() != widget()->size())
+ backBuffer->resize( widget()->size() );
+
+ QPainter p;
+ p.begin( backBuffer );
+ rootItem->paint( &p, paintRect );
+ p.end();
+
+ bitBlt( widget(), paintRect.topLeft(), backBuffer, paintRect );
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+void
+KdmThemer::pixmap( const QRect &r, QPixmap *px )
+{
+ bitBlt( px, QPoint( 0, 0 ), widget(), r );
+}
+*/
+
+void
+KdmThemer::generateItems( KdmItem *parent, const QDomNode &node )
+{
+ if (!parent)
+ return;
+
+ QDomNodeList subnodeList; //List of subnodes of this node
+
+ /*
+ * Get the child nodes
+ */
+ if (node.isNull()) { // It's the first node, get its child nodes
+ QDomElement theme = domTree.documentElement();
+
+ // Get its tag, and check it's correct ("greeter")
+ if (theme.tagName() != "greeter") {
+ kdDebug() << "This does not seem to be a correct theme file." << endl;
+ return;
+ }
+ // Get the list of child nodes
+ subnodeList = theme.childNodes();
+ } else
+ subnodeList = node.childNodes();
+
+ /*
+ * Go through each of the child nodes
+ */
+ for (uint nod = 0; nod < subnodeList.count(); nod++) {
+ QDomNode subnode = subnodeList.item( nod );
+ QDomElement el = subnode.toElement();
+ QString tagName = el.tagName();
+
+ if (tagName == "item") {
+ if (!willDisplay( subnode ))
+ continue;
+ // It's a new item. Draw it
+ QString type = el.attribute( "type" );
+
+ KdmItem *newItem = 0;
+
+ if (type == "label")
+ newItem = new KdmLabel( parent, subnode );
+ else if (type == "pixmap")
+ newItem = new KdmPixmap( parent, subnode );
+ else if (type == "rect")
+ newItem = new KdmRect( parent, subnode );
+ else if (type == "entry") {
+ newItem = new KdmRect( parent, subnode );
+ newItem->setType( type );
+ }
+ // newItem = new KdmEntry( parent, subnode );
+ //else if (type=="list")
+ // newItem = new KdmList( parent, subnode );
+ else if (type == "svg")
+ newItem = new KdmPixmap( parent, subnode );
+ if (newItem) {
+ generateItems( newItem, subnode );
+ if (el.attribute( "button", "false" ) == "true")
+ newItem->inheritFromButton( newItem );
+ }
+ } else if (tagName == "box") {
+ if (!willDisplay( subnode ))
+ continue;
+ // It's a new box. Draw it
+ parent->setBoxLayout( subnode );
+ generateItems( parent, subnode );
+ } else if (tagName == "fixed") {
+ if (!willDisplay( subnode ))
+ continue;
+ // It's a new box. Draw it
+ parent->setFixedLayout( subnode );
+ generateItems( parent, subnode );
+ }
+ }
+}
+
+bool KdmThemer::willDisplay( const QDomNode &node )
+{
+ QDomNode showNode = node.namedItem( "show" );
+
+ // No "show" node means this item can be displayed at all times
+ if (showNode.isNull())
+ return true;
+
+ QDomElement el = showNode.toElement();
+
+ QString modes = el.attribute( "modes" );
+ if (!modes.isNull()) {
+ QStringList modeList = QStringList::split( ",", modes );
+
+ // If current mode isn't in this list, do not display item
+ if (modeList.find( m_currentMode ) == modeList.end())
+ return false;
+ }
+
+ QString type = el.attribute( "type" );
+ if (type == "config" || type == "suspend")
+ return false; // not implemented (yet)
+ if (type == "timed")
+ return _autoLoginDelay != 0;
+ if (type == "chooser")
+#ifdef XDMCP
+ return _loginMode != LOGIN_LOCAL_ONLY;
+#else
+ return false;
+#endif
+ if (type == "halt" || type == "reboot")
+ return _allowShutdown != SHUT_NONE;
+// if (type == "system")
+// return true;
+
+ // All tests passed, item will be displayed
+ return true;
+}
+
+void
+KdmThemer::showStructure( QObject *obj )
+{
+
+ const QObjectList *wlist = obj->children();
+ static int counter = 0;
+ if (counter == 0)
+ kdDebug() << "\n\n<======= Widget tree =================" << endl;
+ if (wlist) {
+ counter++;
+ QObjectListIterator it( *wlist );
+ QObject *object;
+
+ while ((object = it.current()) != 0) {
+ ++it;
+ QString node;
+ for (int i = 1; i < counter; i++)
+ node += "-";
+
+ if (object->inherits( "KdmItem" )) {
+ KdmItem *widget = (KdmItem *)object;
+ kdDebug() << node << "|" << widget->type() << " me=" << widget->id << " " << widget->area << endl;
+ }
+
+ showStructure( object );
+ }
+ counter--;
+ }
+ if (counter == 0)
+ kdDebug() << "\n\n<======= Widget tree =================\n\n" << endl;
+}
+
+#include "kdmthemer.moc"