Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (firstname.lastname@example.org).
This file is part of CamCOPS.
CamCOPS 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 3 of the License, or
(at your option) any later version.
CamCOPS 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
// Create an instance of this object on the stack in a block containing
// a slow GUI operation. It will:
// (1) show a wait box (on construction)
// (2) refresh the GUI manually using processEvents() (on construction)
// ... then you do your slow GUI thing
// ... and on destruction:
// (3) clear the wait box.
// Only one wait box can be created at any given time (detected by a
// static member variable).
// You can also create an instance of this object on the heap, but be
const QString& text = QStringLiteral("Operation in progress..."),
const QString& title = TextConst::pleaseWait(),
int minimum_duration_ms = 100
// "A wait box is open."
static bool s_waiting;