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73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
/*
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* selectdirectory.mm, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "selectdirectory.h"
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#include <QEventLoop>
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#import <UIKit/UIKit.h>
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#import <UniformTypeIdentifiers/UniformTypeIdentifiers.h>
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#import <MobileCoreServices/MobileCoreServices.h>
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@interface ObjcDocumentPickerDelegate : NSObject <UIDocumentPickerDelegate>
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@property (nonatomic, assign, readonly) QEventLoop & eventLoop;
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@property (nonatomic, copy, nullable) NSURL * selectedDirectoryURL;
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@end
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@implementation ObjcDocumentPickerDelegate
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{
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QEventLoop _eventLoop;
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}
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- (QEventLoop &)eventLoop { return _eventLoop; }
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- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls
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{
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self.selectedDirectoryURL = urls.firstObject;
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_eventLoop.exit();
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}
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- (void)documentPickerWasCancelled:(UIDocumentPickerViewController *)controller
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{
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_eventLoop.exit();
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}
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@end
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static ObjcDocumentPickerDelegate * documentPickerDelegate;
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SelectDirectory::~SelectDirectory()
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{
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[documentPickerDelegate.selectedDirectoryURL stopAccessingSecurityScopedResource];
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documentPickerDelegate = nil;
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}
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QString SelectDirectory::getExistingDirectory()
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{
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documentPickerDelegate = [ObjcDocumentPickerDelegate new];
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UIDocumentPickerViewController * documentPickerVc;
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if(@available(iOS 14.0, *))
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documentPickerVc = [[UIDocumentPickerViewController alloc] initForOpeningContentTypes:@[UTTypeFolder]];
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else
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documentPickerVc = [[UIDocumentPickerViewController alloc] initWithDocumentTypes:@[(__bridge NSString *)kUTTypeFolder] inMode:UIDocumentPickerModeOpen];
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documentPickerVc.allowsMultipleSelection = NO;
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documentPickerVc.delegate = documentPickerDelegate;
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[UIApplication.sharedApplication.keyWindow.rootViewController presentViewController:documentPickerVc animated:YES completion:nil];
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documentPickerDelegate.eventLoop.exec(QEventLoop::DialogExec);
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if(!documentPickerDelegate.selectedDirectoryURL)
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return {};
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[documentPickerDelegate.selectedDirectoryURL startAccessingSecurityScopedResource];
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return QString::fromNSString(documentPickerDelegate.selectedDirectoryURL.path);
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}
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