4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
10 /** @file progress.cpp Functions for modal progress windows. */
13 #include "thread/thread.h"
15 /** Are we in a modal progress or not? */
16 bool _in_modal_progress
= false;
17 bool _first_in_modal_loop
= false;
18 /** Rights for the performing work. */
19 ThreadMutex
*_modal_progress_work_mutex
= ThreadMutex::New();
20 /** Rights for the painting. */
21 ThreadMutex
*_modal_progress_paint_mutex
= ThreadMutex::New();
24 * Set the modal progress state.
25 * @note Makes IsFirstModalProgressLoop return true for the next call.
26 * @param state The new state; are we modal or not?
28 void SetModalProgress(bool state
)
30 _in_modal_progress
= state
;
31 _first_in_modal_loop
= true;
35 * Check whether this is the first modal progress loop.
36 * @note Set by SetModalProgress, unset by calling this method.
37 * @return True if this is the first loop.
39 bool IsFirstModalProgressLoop()
41 bool ret
= _first_in_modal_loop
;
42 _first_in_modal_loop
= false;