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47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file progress.cpp Functions for modal progress windows. */
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#include "stdafx.h"
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#include "thread/thread.h"
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#include "safeguards.h"
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/** Are we in a modal progress or not? */
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bool _in_modal_progress = false;
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bool _first_in_modal_loop = false;
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/** Rights for the performing work. */
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ThreadMutex *_modal_progress_work_mutex = ThreadMutex::New();
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/** Rights for the painting. */
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ThreadMutex *_modal_progress_paint_mutex = ThreadMutex::New();
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/**
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* Set the modal progress state.
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* @note Makes IsFirstModalProgressLoop return true for the next call.
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* @param state The new state; are we modal or not?
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*/
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void SetModalProgress(bool state)
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{
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_in_modal_progress = state;
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_first_in_modal_loop = true;
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}
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/**
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* Check whether this is the first modal progress loop.
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* @note Set by SetModalProgress, unset by calling this method.
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* @return True if this is the first loop.
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*/
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bool IsFirstModalProgressLoop()
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{
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bool ret = _first_in_modal_loop;
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_first_in_modal_loop = false;
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return ret;
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}
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