mirror of
https://github.com/juce-framework/JUCE.git
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79ed81c24a
The biggest new feature in this commit is the addition of NativeMessageBox::scopedAsync and AlertWindow::scopedAsync, both of which return an instance of ScopedMessageBox that will hide the message box in its destructor. The code for displaying modal dialogs on Windows has also been updated. Now, the dialog itself is run from a new thread with its own message loop. This means that when the dialog is dismissed, the background thread can be joined safely. In plugins, this means that there's no danger of the plugin view being destroyed from within the message box runloop, for example.
110 lines
3.9 KiB
Text
110 lines
3.9 KiB
Text
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 7 End-User License
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Agreement and JUCE Privacy Policy.
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End User License Agreement: www.juce.com/juce-7-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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std::unique_ptr<ScopedMessageBoxInterface> ScopedMessageBoxInterface::create (const MessageBoxOptions& options)
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{
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class MessageBox : public ScopedMessageBoxInterface
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{
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public:
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explicit MessageBox (const MessageBoxOptions& opts) : options (opts) {}
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void runAsync (std::function<void (int)> recipient) override
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{
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if (iOSGlobals::currentlyFocusedPeer == nullptr)
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{
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// Since iOS8, alert windows need to be associated with a window, so you need to
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// have at least one window on screen when you use this
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jassertfalse;
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return;
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}
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alert.reset ([[UIAlertController alertControllerWithTitle: juceStringToNS (options.getTitle())
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message: juceStringToNS (options.getMessage())
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preferredStyle: UIAlertControllerStyleAlert] retain]);
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for (auto i = 0; i < options.getNumButtons(); ++i)
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{
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const auto text = options.getButtonText (i);
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if (text.isEmpty())
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continue;
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auto* action = [UIAlertAction actionWithTitle: juceStringToNS (text)
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style: UIAlertActionStyleDefault
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handler: ^(UIAlertAction*)
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{
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MessageManager::callAsync ([recipient, i] { NullCheckedInvocation::invoke (recipient, i); });
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}];
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[alert.get() addAction: action];
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if (i == 0)
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[alert.get() setPreferredAction: action];
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}
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[iOSGlobals::currentlyFocusedPeer->controller presentViewController: alert.get()
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animated: YES
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completion: nil];
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}
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int runSync() override
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{
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int result = -1;
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JUCE_AUTORELEASEPOOL
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{
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runAsync ([&result] (int r) { result = r; });
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while (result < 0)
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{
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JUCE_AUTORELEASEPOOL
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{
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[[NSRunLoop mainRunLoop] runUntilDate: [NSDate dateWithTimeIntervalSinceNow: 0.01]];
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}
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}
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}
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return result;
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}
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void close() override
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{
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if (auto* alertViewController = alert.get())
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[alertViewController dismissViewControllerAnimated: YES completion: nil];
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}
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private:
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const MessageBoxOptions options;
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NSUniquePtr<UIAlertController> alert;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MessageBox)
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};
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return std::make_unique<MessageBox> (options);
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}
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} // namespace juce
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