1 files changed, 149 insertions, 0 deletions
diff --git a/khexedit/draglabel.cc b/khexedit/draglabel.cc
new file mode 100644
index 0000000..e20088c
--- /dev/null
+++ b/khexedit/draglabel.cc
@@ -0,0 +1,149 @@
+/*
+ *   khexedit - Versatile hex editor
+ *   Copyright (C) 1999-2000 Espen Sand, espensa@online.no
+ *
+ *   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 <stdlib.h>
+
+#include <qbitmap.h>
+#include <qpainter.h>
+
+#include <kurldrag.h>
+
+#include "draglabel.h"
+
+
+CDragLabel::CDragLabel( QWidget *parent )
+  : QLabel( "draglabel", parent, "kde toolbar widget" )
+{
+  mValid = true;
+  mDragPending = false;
+  setBackgroundMode( Qt::PaletteButton );
+}
+
+
+CDragLabel::~CDragLabel( void )
+{
+}
+
+
+void CDragLabel::mousePressEvent( QMouseEvent *e )
+{
+  if( mValid == false || e->button() != LeftButton || mUrl.isEmpty() == true )
+  {
+    return;
+  }
+
+  mDragOrigin = e->pos();
+  mDragPending = true;
+}
+
+
+void CDragLabel::mouseMoveEvent( QMouseEvent *e )
+{
+  if( mDragPending == true )
+  {
+    if( abs(e->x() - mDragOrigin.x()) + abs(e->y() - mDragOrigin.y()) > 5 )
+    {
+      mDragPending = false;
+
+      //
+      // Make drag object, assign pixmap and grab keyboard. The grabbing
+      // will allow ESC to abort the drag
+      //
+      KURL::List uris;
+      uris.append(KURL(mUrl));
+      KURLDrag *uriDrag = new KURLDrag( uris, this );
+      if( uriDrag == 0 ) { return; }
+      prepPixmap( *uriDrag );
+      grabKeyboard();
+      uriDrag->drag();
+      releaseKeyboard();
+    }
+  }
+}
+
+void CDragLabel::mouseReleaseEvent( QMouseEvent * )
+{
+  mDragPending = false;
+}
+
+
+void CDragLabel::setUrl( const QString &url )
+{
+  mUrl = url;
+}
+
+
+void CDragLabel::setDragMask( const QPixmap pix )
+{
+  mDragMask = pix;
+}
+
+
+void CDragLabel::prepPixmap( KURLDrag &uriDrag )
+{
+  if( pixmap() == 0 )
+  {
+    return;
+  }
+
+  QString text;
+  int index = mUrl.findRev( '/', mUrl.length() );
+  if( index < 0 )
+  {
+    text = mUrl;
+  }
+  else
+  {
+    text = mUrl.right( mUrl.length() - index - 1 );
+  }
+
+  int sep = 2;
+  QRect rect = fontMetrics().boundingRect(text);
+  int w = pixmap()->width() + rect.width() + sep + 2;
+  int h = fontMetrics().lineSpacing();
+  if( pixmap()->height() > h ) { h = pixmap()->height(); }
+
+  QBitmap mask( w, h, TRUE );
+  QPixmap dragPixmap( w, h );
+  dragPixmap.fill( black );
+
+  QPainter p;
+  p.begin( &mask );
+  p.setPen( white );
+  p.drawPixmap( 0, 0, mDragMask );
+  p.drawText( pixmap()->width()+sep, 0, w-pixmap()->width()+sep,
+	      h, AlignVCenter|AlignLeft, text );
+  p.end();
+
+  p.begin( &dragPixmap );
+  p.drawPixmap( 0, 0, *pixmap() );
+  p.end();
+
+  dragPixmap.setMask( mask );
+
+  QPoint hotspot( pixmap()->width(), pixmap()->height()/2 );
+  uriDrag.setPixmap( dragPixmap, hotspot );
+}
+
+
+
+
+
+#include "draglabel.moc"