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128 lines
4.5 KiB
C++
128 lines
4.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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ThreadWithProgressWindow::ThreadWithProgressWindow (const String& title,
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const bool hasProgressBar,
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const bool hasCancelButton,
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const int cancellingTimeOutMs,
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const String& cancelButtonText,
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Component* componentToCentreAround)
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: Thread (SystemStats::getJUCEVersion() + ": ThreadWithProgressWindow"),
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progress (0.0),
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timeOutMsWhenCancelling (cancellingTimeOutMs),
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wasCancelledByUser (false)
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{
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alertWindow.reset (LookAndFeel::getDefaultLookAndFeel()
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.createAlertWindow (title, {},
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cancelButtonText.isEmpty() ? TRANS ("Cancel")
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: cancelButtonText,
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{}, {}, MessageBoxIconType::NoIcon, hasCancelButton ? 1 : 0,
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componentToCentreAround));
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// if there are no buttons, we won't allow the user to interrupt the thread.
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alertWindow->setEscapeKeyCancels (false);
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if (hasProgressBar)
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alertWindow->addProgressBarComponent (progress);
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}
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ThreadWithProgressWindow::~ThreadWithProgressWindow()
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{
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stopThread (timeOutMsWhenCancelling);
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}
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void ThreadWithProgressWindow::launchThread (Priority threadPriority)
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{
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JUCE_ASSERT_MESSAGE_THREAD
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startThread (threadPriority);
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startTimer (100);
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{
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const ScopedLock sl (messageLock);
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alertWindow->setMessage (message);
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}
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alertWindow->enterModalState();
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}
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void ThreadWithProgressWindow::setProgress (const double newProgress)
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{
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progress = newProgress;
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}
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void ThreadWithProgressWindow::setStatusMessage (const String& newStatusMessage)
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{
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const ScopedLock sl (messageLock);
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message = newStatusMessage;
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}
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void ThreadWithProgressWindow::timerCallback()
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{
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bool threadStillRunning = isThreadRunning();
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if (! (threadStillRunning && alertWindow->isCurrentlyModal (false)))
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{
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stopTimer();
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stopThread (timeOutMsWhenCancelling);
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alertWindow->exitModalState (1);
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alertWindow->setVisible (false);
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wasCancelledByUser = threadStillRunning;
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threadComplete (threadStillRunning);
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return; // (this may be deleted now)
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}
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const ScopedLock sl (messageLock);
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alertWindow->setMessage (message);
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}
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void ThreadWithProgressWindow::threadComplete (bool) {}
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#if JUCE_MODAL_LOOPS_PERMITTED
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bool ThreadWithProgressWindow::runThread (Priority threadPriority)
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{
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launchThread (threadPriority);
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while (isTimerRunning())
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MessageManager::getInstance()->runDispatchLoopUntil (5);
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return ! wasCancelledByUser;
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}
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#endif
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} // namespace juce
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