110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PROGRESSCONNECTOR_
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#define _PROGRESSCONNECTOR_
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#include <sigc++/sigc++.h>
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#include <gtkmm.h>
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#include "../rtengine/rtengine.h"
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#include "guiutils.h"
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#undef THREAD_PRIORITY_NORMAL
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class PLDBridge : public rtengine::ProgressListener
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{
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rtengine::ProgressListener* pl;
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public:
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explicit PLDBridge ( rtengine::ProgressListener* pb)
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: pl(pb) {}
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// ProgressListener interface
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void setProgress (double p)
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{
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GThreadLock lock;
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pl->setProgress(p);
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}
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void setProgressStr (Glib::ustring str)
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{
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GThreadLock lock;
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Glib::ustring progrstr;
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progrstr = M(str);
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pl->setProgressStr(progrstr);
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}
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void setProgressState (bool inProcessing)
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{
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GThreadLock lock;
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pl->setProgressState(inProcessing);
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}
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void error (Glib::ustring descr)
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{
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GThreadLock lock;
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pl->error(descr);
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}
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};
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template<class T>
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class ProgressConnector
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{
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sigc::signal0<T> opStart;
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sigc::signal0<bool> opEnd;
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T retval;
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Glib::Thread *workThread;
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static int emitEndSignalUI (void* data)
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{
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sigc::signal0<bool>* opEnd = (sigc::signal0<bool>*) data;
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int r = opEnd->emit ();
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delete opEnd;
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return r;
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}
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void workingThread ()
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{
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retval = opStart.emit ();
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g_idle_add (ProgressConnector<T>::emitEndSignalUI, new sigc::signal0<bool> (opEnd));
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workThread = 0;
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}
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public:
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ProgressConnector (): workThread( 0 ) { }
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void startFunc (const sigc::slot0<T>& startHandler, const sigc::slot0<bool>& endHandler )
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{
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if( !workThread ) {
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opStart.connect (startHandler);
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opEnd.connect (endHandler);
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workThread = Glib::Thread::create(sigc::mem_fun(*this, &ProgressConnector<T>::workingThread), 0, true, true, Glib::THREAD_PRIORITY_NORMAL);
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}
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}
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T returnValue()
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{
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return retval;
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}
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};
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#endif
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