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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 112 insertions, 0 deletions

diff --git a/kdeui/kcolordrag.cpp b/kdeui/kcolordrag.cpp
new file mode 100644
index 000000000..61eb15ba1
--- /dev/null
+++ b/kdeui/kcolordrag.cpp
@@ -0,0 +1,112 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 1999 Steffen Hansen (hansen@kde.org)
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <qpainter.h>
+#include "kcolordrag.h"
+
+static const char * const color_mime_string = "application/x-color";
+static const char * const text_mime_string = "text/plain";
+
+KColorDrag::KColorDrag( const QColor &color, QWidget *dragsource,
+			const char *name)
+     : QStoredDrag( color_mime_string, dragsource, name)
+{
+     setColor( color);
+}
+
+KColorDrag::KColorDrag( QWidget *dragsource, const char *name)
+     : QStoredDrag( color_mime_string, dragsource, name)
+{
+     setColor( white );
+}
+
+void
+KColorDrag::setColor( const QColor &color)
+{
+     QColorDrag tmp(color, 0, 0);
+     setEncodedData(tmp.encodedData(color_mime_string));
+
+     QPixmap colorpix( 25, 20);
+     colorpix.fill( color);
+     QPainter p( &colorpix );
+     p.setPen( black );
+     p.drawRect(0,0,25,20);
+     p.end();
+     setPixmap(colorpix, QPoint(-5,-7));
+}
+
+const char *KColorDrag::format(int i) const
+{
+     if (i==1)
+        return text_mime_string;
+     else
+        return QStoredDrag::format(i);
+}
+
+QByteArray KColorDrag::encodedData ( const char * m ) const
+{
+     if (!qstrcmp(m, text_mime_string) )
+     {
+        QColor color;
+        QColorDrag::decode(const_cast<KColorDrag *>(this), color);
+        QCString result = color.name().latin1();
+        ((QByteArray&)result).resize(result.length());
+        return result;
+     }
+     return QStoredDrag::encodedData(m);
+}
+
+bool
+KColorDrag::canDecode( QMimeSource *e)
+{
+     if (e->provides(color_mime_string))
+        return true;
+     if (e->provides(text_mime_string))
+     {
+        QColor dummy;
+        return decode(e, dummy);
+     }
+     return false;
+}
+
+bool
+KColorDrag::decode( QMimeSource *e, QColor &color)
+{
+     if (QColorDrag::decode(e, color))
+        return true;
+
+     QByteArray data = e->encodedData( text_mime_string);
+     QString colorName = QString::fromLatin1(data.data(), data.size());
+     if ((colorName.length() < 4) || (colorName[0] != '#'))
+        return false;
+     color.setNamedColor(colorName);
+     return color.isValid();
+}
+
+
+KColorDrag*
+KColorDrag::makeDrag( const QColor &color,QWidget *dragsource)
+{
+     return new KColorDrag( color, dragsource);
+}
+
+void KColorDrag::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+#include "kcolordrag.moc"