117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017 CERN
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* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __PROGRESS_REPORTER
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#define __PROGRESS_REPORTER
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#include <mutex>
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#include <atomic>
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#include <wx/progdlg.h>
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/**
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* A progress reporter for use in multi-threaded environments. The various advancement
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* and message methods can be called from sub-threads. The KeepRefreshing method *MUST*
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* be called only from the main thread (primarily a MSW requirement, which won't allow
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* access to UI objects allocated from a separate thread).
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*/
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class PROGRESS_REPORTER
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{
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public:
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PROGRESS_REPORTER( int aNumPhases );
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PROGRESS_REPORTER( const PROGRESS_REPORTER& ) = delete;
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/**
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* initialize the aPhase virtual zone of the dialog progress bar
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*/
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void BeginPhase( int aPhase );
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/**
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* Uses the next vailable virtual zone of the dialog progress bar
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*/
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void AdvancePhase();
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/**
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* Display aMessage in the progress bar dialog
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*/
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void Report( const wxString& aMessage );
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/**
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* Fix the value thar gives the 100 precent progress bar length
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* (inside the current virtual zone)
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*/
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void SetMaxProgress( int aMaxProgress );
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/**
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* Increment the progress bar length (inside the current virtual zone)
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*/
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void AdvanceProgress();
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/**
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* Update the UI dialog. *MUST* only be called from the main thread.
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* Returns false if the user clicked Cancel.
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*/
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bool KeepRefreshing( bool aWait = false );
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protected:
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int currentProgress() const;
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virtual bool updateUI() = 0;
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wxString m_rptMessage;
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mutable std::mutex m_mutex;
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std::atomic_int m_phase;
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std::atomic_int m_numPhases;
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std::atomic_int m_progress;
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std::atomic_int m_maxProgress;
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};
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class WX_PROGRESS_REPORTER : public PROGRESS_REPORTER, public wxProgressDialog
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{
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public:
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/**
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* Ctor: the PROGRESS_REPORTER will stay on top of aParent.
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* the style is wxPD_AUTO_HIDE | wxPD_CAN_ABORT | wxPD_ELAPSED_TIME
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* @param aParent is the wxDialog of Frame that manage this.
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* @param aTitle is the dialog progress title
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* @param aNumPhases is the number of "virtual sections" of the progress bar
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* aNumPhases = 1 is the usual progress bar
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* aNumPhases = n creates n virtual progress bar zones: a 0 to 100 percent width
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* of a virtual zone fills 0 to 1/n progress bar full size of the nth virtual zone index
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* @param aCanAbort is true if the abort button should be shown
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*/
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WX_PROGRESS_REPORTER( wxWindow* aParent, const wxString& aTitle, int aNumPhases,
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bool aCanAbort = true );
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~WX_PROGRESS_REPORTER();
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private:
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virtual bool updateUI() override;
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};
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#endif
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