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git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

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subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
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essej
2022-04-18 17:51:22 -04:00
parent 63e175fee6
commit 25bd5d8adb
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175
deps/juce/modules/juce_gui_basics/windows/juce_ThreadWithProgressWindow.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
A thread that automatically pops up a modal dialog box with a progress bar
and cancel button while it's busy running.
These are handy for performing some sort of task while giving the user feedback
about how long there is to go, etc.
E.g. @code
class MyTask : public ThreadWithProgressWindow
{
public:
MyTask() : ThreadWithProgressWindow ("busy...", true, true)
{
}
void run()
{
for (int i = 0; i < thingsToDo; ++i)
{
// must check this as often as possible, because this is
// how we know if the user's pressed 'cancel'
if (threadShouldExit())
break;
// this will update the progress bar on the dialog box
setProgress (i / (double) thingsToDo);
// ... do the business here...
}
}
};
void doTheTask()
{
MyTask m;
if (m.runThread())
{
// thread finished normally..
}
else
{
// user pressed the cancel button..
}
}
@endcode
@see Thread, AlertWindow
@tags{GUI}
*/
class JUCE_API ThreadWithProgressWindow : public Thread,
private Timer
{
public:
//==============================================================================
/** Creates the thread.
Initially, the dialog box won't be visible, it'll only appear when the
runThread() method is called.
@param windowTitle the title to go at the top of the dialog box
@param hasProgressBar whether the dialog box should have a progress bar (see
setProgress() )
@param hasCancelButton whether the dialog box should have a cancel button
@param timeOutMsWhenCancelling when 'cancel' is pressed, this is how long to wait for
the thread to stop before killing it forcibly (see
Thread::stopThread() )
@param cancelButtonText the text that should be shown in the cancel button
(if it has one). Leave this empty for the default "Cancel"
@param componentToCentreAround if this is non-null, the window will be positioned
so that it's centred around this component.
*/
ThreadWithProgressWindow (const String& windowTitle,
bool hasProgressBar,
bool hasCancelButton,
int timeOutMsWhenCancelling = 10000,
const String& cancelButtonText = String(),
Component* componentToCentreAround = nullptr);
/** Destructor. */
~ThreadWithProgressWindow() override;
//==============================================================================
#if JUCE_MODAL_LOOPS_PERMITTED
/** Starts the thread and waits for it to finish.
This will start the thread, make the dialog box appear, and wait until either
the thread finishes normally, or until the cancel button is pressed.
Before returning, the dialog box will be hidden.
@param priority the priority to use when starting the thread - see
Thread::startThread() for values
@returns true if the thread finished normally; false if the user pressed cancel
*/
bool runThread (int priority = 5);
#endif
/** Starts the thread and returns.
This will start the thread and make the dialog box appear in a modal state. When
the thread finishes normally, or the cancel button is pressed, the window will be
hidden and the threadComplete() method will be called.
@param priority the priority to use when starting the thread - see
Thread::startThread() for values
*/
void launchThread (int priority = 5);
/** The thread should call this periodically to update the position of the progress bar.
@param newProgress the progress, from 0.0 to 1.0
@see setStatusMessage
*/
void setProgress (double newProgress);
/** The thread can call this to change the message that's displayed in the dialog box. */
void setStatusMessage (const String& newStatusMessage);
/** Returns the AlertWindow that is being used. */
AlertWindow* getAlertWindow() const noexcept { return alertWindow.get(); }
//==============================================================================
/** This method is called (on the message thread) when the operation has finished.
You may choose to use this callback to delete the ThreadWithProgressWindow object.
*/
virtual void threadComplete (bool userPressedCancel);
private:
//==============================================================================
void timerCallback() override;
double progress;
std::unique_ptr<AlertWindow> alertWindow;
String message;
CriticalSection messageLock;
const int timeOutMsWhenCancelling;
bool wasCancelledByUser;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ThreadWithProgressWindow)
};
} // namespace juce