1 files changed, 130 insertions, 0 deletions
diff --git a/khexedit/progress.h b/khexedit/progress.h
new file mode 100644
index 0000000..fa6e8a3
--- /dev/null
+++ b/khexedit/progress.h
@@ -0,0 +1,130 @@
+/*
+ *   khexedit - Versatile hex editor
+ *   Copyright (C) 1999  Espen Sand, espensa@online.no
+ *   This file is based on the work by F. Zigterman, fzr@dds.nl
+ *
+ *   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.
+ *
+ */
+
+#ifndef _PROGRESS_H_
+#define _PROGRESS_H_
+
+#include <qdatetime.h> 
+#include "hexerror.h"
+
+
+struct SProgressData
+{
+  SProgressData( float f )
+  {
+    useFraction = 1;
+    fraction = f;
+  }
+
+  SProgressData( int cPage, int mPage )
+  {
+    useFraction = 0;
+    curPage = cPage;
+    maxPage = mPage;
+  }
+
+  int valid( void ) const
+  {
+    return( (useFraction == 1 && fraction >= 0) ||
+	    (useFraction == 0 && curPage >= 0) ? 1 : 0 );
+  }
+
+  int   useFraction;
+  float fraction;
+  int   curPage;
+  int   maxPage;
+};
+
+
+
+typedef int (*ProgressFunc)( void *clientData, SProgressData &pd );
+
+class CProgress
+{
+  public:
+    CProgress( void )
+    {
+      define( 0, 0 );
+      mInterruptTimer.start();
+    }
+
+    CProgress( ProgressFunc progressFunc, void *clientData )
+    {
+      define( progressFunc, clientData );
+      mInterruptTimer.start();
+    }
+
+    void define( ProgressFunc progressFunc, void *clientData )
+    {
+      mProgressFunc = progressFunc;
+      mClientData = clientData;
+    }
+
+    void finish( void ) const
+    {
+      if( mProgressFunc == 0 )
+      {
+	return;
+      }
+      SProgressData pd( -1.0 );
+      mProgressFunc( mClientData, pd );
+    }
+
+    bool expired( void )
+    {
+      return( mInterruptTimer.elapsed() > 200 );
+    }
+
+    int step( float fraction )
+    {
+      mInterruptTimer.start();
+
+      if( mProgressFunc == 0 )
+      {
+	return( Err_Success );
+      }
+      SProgressData pd( fraction );
+      int errCode = mProgressFunc( mClientData, pd );
+      return( errCode );
+    }
+
+    int step( int curPage, int maxPage )
+    {
+      mInterruptTimer.start();
+
+      if( mProgressFunc == 0 )
+      {
+	return( Err_Success );
+      }
+      SProgressData pd( curPage, maxPage );
+      int errCode = mProgressFunc( mClientData, pd );
+      return( errCode );
+    }
+
+  private:
+    ProgressFunc mProgressFunc;
+    void *mClientData;
+    QTime mInterruptTimer;
+};
+
+#endif
+
+