1 files changed, 70 insertions, 0 deletions
diff --git a/src/backends/progressinterface.h b/src/backends/progressinterface.h
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+++ b/src/backends/progressinterface.h
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+/***************************************************************************
+*   Copyright (C) 2005 by                                                 *
+*   Jason Kivlighn ([email protected])                                  *
+*                                                                         *
+*   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.                                   *
+***************************************************************************/
+
+#ifndef PROGRESSINTERFACE_H
+#define PROGRESSINTERFACE_H
+
+#include <tqobject.h>
+#include <tqwidget.h>
+
+class KProgressDialog;
+
+class RecipeDB;
+class ProgressSlotObject;
+
+/**  This class is used to monitor events from the database that may take
+  *  awhile.  Before a potentially long operation, the database will
+  *  call progressBegin(), progress() a number of times, and then progressDone().
+  *
+  *  This class may be subclassed to perform certain operations during long 
+  *  operations by implementing the three virtual functions.  The default
+  *  implementation displays a progress bar dialog.
+  */
+class ProgressInterface
+{
+public:
+	ProgressInterface( TQWidget *parent );
+	~ProgressInterface();
+
+	void listenOn( RecipeDB* );
+
+protected:
+	friend class ProgressSlotObject;
+
+	virtual void progressBegin(int,const TQString &caption,const TQString &text,int rate);
+	virtual void progressDone();
+	virtual void progress();
+
+private:
+	ProgressSlotObject *slot_obj;
+	KProgressDialog *progress_dlg;
+	RecipeDB *database;
+
+	int m_rate;
+	int m_rate_at;
+};
+
+class ProgressSlotObject : public TQObject
+{
+TQ_OBJECT
+
+public:
+	ProgressSlotObject( TQWidget*parent, ProgressInterface *p ) : TQObject(parent), pInterface(p){}
+
+public slots:
+	void progressBegin(int i,const TQString &caption=TQString::null,const TQString &text=TQString::null,int rate=1){ pInterface->progressBegin(i,caption,text,rate); }
+	void progressDone(){ pInterface->progressDone(); }
+	void progress(){ pInterface->progress(); }
+
+private:
+	ProgressInterface *pInterface;
+};
+
+#endif