646 lines
23 KiB
Plaintext
646 lines
23 KiB
Plaintext
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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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 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-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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void LookAndFeel::playAlertSound()
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{
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NSBeep();
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}
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//==============================================================================
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class OSXMessageBox : private AsyncUpdater
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{
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public:
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OSXMessageBox (AlertWindow::AlertIconType type, const String& t, const String& m,
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const char* b1, const char* b2, const char* b3,
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ModalComponentManager::Callback* c, const bool runAsync)
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: iconType (type), title (t), message (m), callback (c),
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button1 (b1), button2 (b2), button3 (b3)
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{
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if (runAsync)
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triggerAsyncUpdate();
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}
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int getResult() const
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{
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switch (getRawResult())
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{
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case NSAlertFirstButtonReturn: return 1;
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case NSAlertThirdButtonReturn: return 2;
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default: return 0;
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}
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}
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static int show (AlertWindow::AlertIconType iconType, const String& title, const String& message,
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ModalComponentManager::Callback* callback, const char* b1, const char* b2, const char* b3,
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bool runAsync)
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{
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std::unique_ptr<OSXMessageBox> mb (new OSXMessageBox (iconType, title, message, b1, b2, b3,
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callback, runAsync));
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if (! runAsync)
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return mb->getResult();
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mb.release();
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return 0;
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}
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private:
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AlertWindow::AlertIconType iconType;
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String title, message;
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std::unique_ptr<ModalComponentManager::Callback> callback;
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const char* button1;
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const char* button2;
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const char* button3;
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void handleAsyncUpdate() override
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{
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auto result = getResult();
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if (callback != nullptr)
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callback->modalStateFinished (result);
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delete this;
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}
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NSInteger getRawResult() const
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{
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NSAlert* alert = [[[NSAlert alloc] init] autorelease];
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[alert setMessageText: juceStringToNS (title)];
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[alert setInformativeText: juceStringToNS (message)];
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[alert setAlertStyle: iconType == AlertWindow::WarningIcon ? NSAlertStyleCritical
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: NSAlertStyleInformational];
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addButton (alert, button1);
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addButton (alert, button2);
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addButton (alert, button3);
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return [alert runModal];
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}
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static void addButton (NSAlert* alert, const char* button)
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{
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if (button != nullptr)
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[alert addButtonWithTitle: juceStringToNS (TRANS (button))];
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}
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};
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#if JUCE_MODAL_LOOPS_PERMITTED
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void JUCE_CALLTYPE NativeMessageBox::showMessageBox (AlertWindow::AlertIconType iconType,
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const String& title, const String& message,
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Component* /*associatedComponent*/)
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{
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OSXMessageBox::show (iconType, title, message, nullptr, "OK", nullptr, nullptr, false);
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}
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#endif
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void JUCE_CALLTYPE NativeMessageBox::showMessageBoxAsync (AlertWindow::AlertIconType iconType,
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const String& title, const String& message,
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Component* /*associatedComponent*/,
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ModalComponentManager::Callback* callback)
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{
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OSXMessageBox::show (iconType, title, message, callback, "OK", nullptr, nullptr, true);
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}
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bool JUCE_CALLTYPE NativeMessageBox::showOkCancelBox (AlertWindow::AlertIconType iconType,
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const String& title, const String& message,
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Component* /*associatedComponent*/,
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ModalComponentManager::Callback* callback)
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{
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return OSXMessageBox::show (iconType, title, message, callback,
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"OK", "Cancel", nullptr, callback != nullptr) == 1;
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}
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int JUCE_CALLTYPE NativeMessageBox::showYesNoCancelBox (AlertWindow::AlertIconType iconType,
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const String& title, const String& message,
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Component* /*associatedComponent*/,
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ModalComponentManager::Callback* callback)
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{
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return OSXMessageBox::show (iconType, title, message, callback,
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"Yes", "Cancel", "No", callback != nullptr);
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}
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int JUCE_CALLTYPE NativeMessageBox::showYesNoBox (AlertWindow::AlertIconType iconType,
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const String& title, const String& message,
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Component* /*associatedComponent*/,
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ModalComponentManager::Callback* callback)
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{
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return OSXMessageBox::show (iconType, title, message, callback,
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"Yes", "No", nullptr, callback != nullptr);
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}
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//==============================================================================
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static NSRect getDragRect (NSView* view, NSEvent* event)
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{
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auto eventPos = [event locationInWindow];
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return [view convertRect: NSMakeRect (eventPos.x - 16.0f, eventPos.y - 16.0f, 32.0f, 32.0f)
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fromView: nil];
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}
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static NSView* getNSViewForDragEvent (Component* sourceComp)
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{
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if (sourceComp == nullptr)
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if (auto* draggingSource = Desktop::getInstance().getDraggingMouseSource (0))
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sourceComp = draggingSource->getComponentUnderMouse();
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if (sourceComp != nullptr)
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return (NSView*) sourceComp->getWindowHandle();
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jassertfalse; // This method must be called in response to a component's mouseDown or mouseDrag event!
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return nil;
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}
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struct NSDraggingSourceHelper : public ObjCClass<NSObject<NSDraggingSource>>
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{
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NSDraggingSourceHelper() : ObjCClass<NSObject<NSDraggingSource>> ("JUCENSDraggingSourceHelper_")
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{
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addIvar<std::function<void()>*> ("callback");
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addIvar<String*> ("text");
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addIvar<NSDragOperation*> ("operation");
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addMethod (@selector (dealloc), dealloc, "v@:");
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addMethod (@selector (pasteboard:item:provideDataForType:), provideDataForType, "v@:@@@");
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addMethod (@selector (draggingSession:sourceOperationMaskForDraggingContext:), sourceOperationMaskForDraggingContext, "c@:@@");
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addMethod (@selector (draggingSession:endedAtPoint:operation:), draggingSessionEnded, "v@:@@@");
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addProtocol (@protocol (NSPasteboardItemDataProvider));
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registerClass();
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}
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static void setText (id self, const String& text)
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{
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object_setInstanceVariable (self, "text", new String (text));
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}
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static void setCompletionCallback (id self, std::function<void()> cb)
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{
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object_setInstanceVariable (self, "callback", new std::function<void()> (cb));
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}
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static void setDragOperation (id self, NSDragOperation op)
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{
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object_setInstanceVariable (self, "operation", new NSDragOperation (op));
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}
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private:
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static void dealloc (id self, SEL)
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{
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delete getIvar<String*> (self, "text");
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delete getIvar<std::function<void()>*> (self, "callback");
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delete getIvar<NSDragOperation*> (self, "operation");
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sendSuperclassMessage (self, @selector (dealloc));
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}
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static void provideDataForType (id self, SEL, NSPasteboard* sender, NSPasteboardItem*, NSString* type)
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{
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if ([type compare: NSPasteboardTypeString] == NSOrderedSame)
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if (auto* text = getIvar<String*> (self, "text"))
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[sender setData: [juceStringToNS (*text) dataUsingEncoding: NSUTF8StringEncoding]
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forType: NSPasteboardTypeString];
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}
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static NSDragOperation sourceOperationMaskForDraggingContext (id self, SEL, NSDraggingSession*, NSDraggingContext)
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{
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return *getIvar<NSDragOperation*> (self, "operation");
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}
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static void draggingSessionEnded (id self, SEL, NSDraggingSession*, NSPoint p, NSDragOperation)
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{
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// Our view doesn't receive a mouse up when the drag ends so we need to generate one here and send it...
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if (auto* view = getNSViewForDragEvent (nullptr))
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if (auto* cgEvent = CGEventCreateMouseEvent (nullptr, kCGEventLeftMouseUp, CGPointMake (p.x, p.y), kCGMouseButtonLeft))
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if (id e = [NSEvent eventWithCGEvent: cgEvent])
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[view mouseUp: e];
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if (auto* cb = getIvar<std::function<void()>*> (self, "callback"))
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cb->operator()();
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}
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};
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static NSDraggingSourceHelper draggingSourceHelper;
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bool DragAndDropContainer::performExternalDragDropOfText (const String& text, Component* sourceComponent,
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std::function<void()> callback)
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{
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if (text.isEmpty())
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return false;
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if (auto* view = getNSViewForDragEvent (sourceComponent))
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{
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JUCE_AUTORELEASEPOOL
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{
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if (auto event = [[view window] currentEvent])
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{
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id helper = [draggingSourceHelper.createInstance() init];
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NSDraggingSourceHelper::setText (helper, text);
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NSDraggingSourceHelper::setDragOperation (helper, NSDragOperationCopy);
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if (callback != nullptr)
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NSDraggingSourceHelper::setCompletionCallback (helper, callback);
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auto pasteboardItem = [[NSPasteboardItem new] autorelease];
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[pasteboardItem setDataProvider: helper
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forTypes: [NSArray arrayWithObjects: NSPasteboardTypeString, nil]];
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auto dragItem = [[[NSDraggingItem alloc] initWithPasteboardWriter: pasteboardItem] autorelease];
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NSImage* image = [[NSWorkspace sharedWorkspace] iconForFile: nsEmptyString()];
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[dragItem setDraggingFrame: getDragRect (view, event) contents: image];
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if (auto session = [view beginDraggingSessionWithItems: [NSArray arrayWithObject: dragItem]
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event: event
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source: helper])
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{
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session.animatesToStartingPositionsOnCancelOrFail = YES;
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session.draggingFormation = NSDraggingFormationNone;
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return true;
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}
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}
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}
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}
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return false;
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}
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bool DragAndDropContainer::performExternalDragDropOfFiles (const StringArray& files, bool canMoveFiles,
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Component* sourceComponent, std::function<void()> callback)
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{
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if (files.isEmpty())
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return false;
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if (auto* view = getNSViewForDragEvent (sourceComponent))
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{
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JUCE_AUTORELEASEPOOL
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{
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if (auto event = [[view window] currentEvent])
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{
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auto dragItems = [[[NSMutableArray alloc] init] autorelease];
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for (auto& filename : files)
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{
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auto* nsFilename = juceStringToNS (filename);
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auto fileURL = [NSURL fileURLWithPath: nsFilename];
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auto dragItem = [[NSDraggingItem alloc] initWithPasteboardWriter: fileURL];
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auto eventPos = [event locationInWindow];
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auto dragRect = [view convertRect: NSMakeRect (eventPos.x - 16.0f, eventPos.y - 16.0f, 32.0f, 32.0f)
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fromView: nil];
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auto dragImage = [[NSWorkspace sharedWorkspace] iconForFile: nsFilename];
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[dragItem setDraggingFrame: dragRect
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contents: dragImage];
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[dragItems addObject: dragItem];
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[dragItem release];
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}
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auto helper = [draggingSourceHelper.createInstance() autorelease];
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if (callback != nullptr)
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NSDraggingSourceHelper::setCompletionCallback (helper, callback);
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NSDraggingSourceHelper::setDragOperation (helper, canMoveFiles ? NSDragOperationMove
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: NSDragOperationCopy);
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return [view beginDraggingSessionWithItems: dragItems
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event: event
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source: helper] != nullptr;
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}
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}
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}
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return false;
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}
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//==============================================================================
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bool Desktop::canUseSemiTransparentWindows() noexcept
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{
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return true;
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}
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Point<float> MouseInputSource::getCurrentRawMousePosition()
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{
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JUCE_AUTORELEASEPOOL
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{
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auto p = [NSEvent mouseLocation];
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return { (float) p.x, (float) (getMainScreenHeight() - p.y) };
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}
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}
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void MouseInputSource::setRawMousePosition (Point<float> newPosition)
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{
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// this rubbish needs to be done around the warp call, to avoid causing a
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// bizarre glitch..
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CGAssociateMouseAndMouseCursorPosition (false);
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CGWarpMouseCursorPosition (convertToCGPoint (newPosition));
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CGAssociateMouseAndMouseCursorPosition (true);
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}
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double Desktop::getDefaultMasterScale()
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{
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return 1.0;
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}
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Desktop::DisplayOrientation Desktop::getCurrentOrientation() const
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{
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return upright;
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}
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//==============================================================================
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#if defined (MAC_OS_X_VERSION_10_7) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7)
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#define JUCE_USE_IOPM_SCREENSAVER_DEFEAT 1
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#endif
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#if ! (defined (JUCE_USE_IOPM_SCREENSAVER_DEFEAT) || defined (__POWER__))
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extern "C" { extern OSErr UpdateSystemActivity (UInt8); } // Some versions of the SDK omit this function..
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#endif
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class ScreenSaverDefeater : public Timer
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{
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public:
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#if JUCE_USE_IOPM_SCREENSAVER_DEFEAT
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ScreenSaverDefeater()
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{
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startTimer (5000);
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timerCallback();
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}
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void timerCallback() override
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{
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if (Process::isForegroundProcess())
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{
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if (assertion == nullptr)
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assertion.reset (new PMAssertion());
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}
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else
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{
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assertion.reset();
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}
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}
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struct PMAssertion
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{
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PMAssertion() : assertionID (kIOPMNullAssertionID)
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{
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IOReturn res = IOPMAssertionCreateWithName (kIOPMAssertionTypePreventUserIdleDisplaySleep,
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kIOPMAssertionLevelOn,
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CFSTR ("JUCE Playback"),
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&assertionID);
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jassert (res == kIOReturnSuccess); ignoreUnused (res);
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}
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~PMAssertion()
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{
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if (assertionID != kIOPMNullAssertionID)
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IOPMAssertionRelease (assertionID);
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}
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IOPMAssertionID assertionID;
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};
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std::unique_ptr<PMAssertion> assertion;
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#else
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ScreenSaverDefeater()
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{
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startTimer (10000);
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timerCallback();
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}
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void timerCallback() override
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{
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if (Process::isForegroundProcess())
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UpdateSystemActivity (1 /*UsrActivity*/);
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}
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#endif
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};
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static std::unique_ptr<ScreenSaverDefeater> screenSaverDefeater;
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void Desktop::setScreenSaverEnabled (const bool isEnabled)
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{
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if (isEnabled)
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screenSaverDefeater.reset();
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else if (screenSaverDefeater == nullptr)
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screenSaverDefeater.reset (new ScreenSaverDefeater());
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}
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bool Desktop::isScreenSaverEnabled()
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{
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return screenSaverDefeater == nullptr;
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}
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//==============================================================================
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struct DisplaySettingsChangeCallback : private DeletedAtShutdown
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{
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DisplaySettingsChangeCallback()
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{
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CGDisplayRegisterReconfigurationCallback (displayReconfigurationCallBack, nullptr);
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}
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~DisplaySettingsChangeCallback()
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{
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CGDisplayRemoveReconfigurationCallback (displayReconfigurationCallBack, nullptr);
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clearSingletonInstance();
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}
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static void displayReconfigurationCallBack (CGDirectDisplayID, CGDisplayChangeSummaryFlags, void*)
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{
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const_cast<Displays&> (Desktop::getInstance().getDisplays()).refresh();
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}
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JUCE_DECLARE_SINGLETON_SINGLETHREADED_MINIMAL (DisplaySettingsChangeCallback)
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DisplaySettingsChangeCallback)
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};
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JUCE_IMPLEMENT_SINGLETON (DisplaySettingsChangeCallback)
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static Rectangle<int> convertDisplayRect (NSRect r, CGFloat mainScreenBottom)
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{
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r.origin.y = mainScreenBottom - (r.origin.y + r.size.height);
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return convertToRectInt (r);
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}
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static Displays::Display getDisplayFromScreen (NSScreen* s, CGFloat& mainScreenBottom, const float masterScale)
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{
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Displays::Display d;
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d.isMain = (mainScreenBottom == 0);
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if (d.isMain)
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mainScreenBottom = [s frame].size.height;
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d.userArea = convertDisplayRect ([s visibleFrame], mainScreenBottom) / masterScale;
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d.totalArea = convertDisplayRect ([s frame], mainScreenBottom) / masterScale;
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d.scale = masterScale;
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#if defined (MAC_OS_X_VERSION_10_7) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7)
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if ([s respondsToSelector: @selector (backingScaleFactor)])
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d.scale *= s.backingScaleFactor;
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#endif
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NSSize dpi = [[[s deviceDescription] objectForKey: NSDeviceResolution] sizeValue];
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d.dpi = (dpi.width + dpi.height) / 2.0;
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return d;
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}
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void Displays::findDisplays (const float masterScale)
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{
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JUCE_AUTORELEASEPOOL
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{
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DisplaySettingsChangeCallback::getInstance();
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CGFloat mainScreenBottom = 0;
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for (NSScreen* s in [NSScreen screens])
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displays.add (getDisplayFromScreen (s, mainScreenBottom, masterScale));
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}
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}
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//==============================================================================
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bool juce_areThereAnyAlwaysOnTopWindows()
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{
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for (NSWindow* window in [NSApp windows])
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if ([window level] > NSNormalWindowLevel)
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return true;
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return false;
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}
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|
//==============================================================================
|
|
static void selectImageForDrawing (const Image& image)
|
|
{
|
|
[NSGraphicsContext saveGraphicsState];
|
|
[NSGraphicsContext setCurrentContext: [NSGraphicsContext graphicsContextWithGraphicsPort: juce_getImageContext (image)
|
|
flipped: false]];
|
|
}
|
|
|
|
static void releaseImageAfterDrawing()
|
|
{
|
|
[[NSGraphicsContext currentContext] flushGraphics];
|
|
[NSGraphicsContext restoreGraphicsState];
|
|
}
|
|
|
|
Image juce_createIconForFile (const File& file)
|
|
{
|
|
JUCE_AUTORELEASEPOOL
|
|
{
|
|
NSImage* image = [[NSWorkspace sharedWorkspace] iconForFile: juceStringToNS (file.getFullPathName())];
|
|
|
|
Image result (Image::ARGB, (int) [image size].width, (int) [image size].height, true);
|
|
|
|
selectImageForDrawing (result);
|
|
[image drawAtPoint: NSMakePoint (0, 0)
|
|
fromRect: NSMakeRect (0, 0, [image size].width, [image size].height)
|
|
operation: NSCompositingOperationSourceOver fraction: 1.0f];
|
|
releaseImageAfterDrawing();
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
static Image createNSWindowSnapshot (NSWindow* nsWindow)
|
|
{
|
|
JUCE_AUTORELEASEPOOL
|
|
{
|
|
CGImageRef screenShot = CGWindowListCreateImage (CGRectNull,
|
|
kCGWindowListOptionIncludingWindow,
|
|
(CGWindowID) [nsWindow windowNumber],
|
|
kCGWindowImageBoundsIgnoreFraming);
|
|
|
|
NSBitmapImageRep* bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage: screenShot];
|
|
|
|
Image result (Image::ARGB, (int) [bitmapRep size].width, (int) [bitmapRep size].height, true);
|
|
|
|
selectImageForDrawing (result);
|
|
[bitmapRep drawAtPoint: NSMakePoint (0, 0)];
|
|
releaseImageAfterDrawing();
|
|
|
|
[bitmapRep release];
|
|
CGImageRelease (screenShot);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
Image createSnapshotOfNativeWindow (void*);
|
|
Image createSnapshotOfNativeWindow (void* nativeWindowHandle)
|
|
{
|
|
if (id windowOrView = (id) nativeWindowHandle)
|
|
{
|
|
if ([windowOrView isKindOfClass: [NSWindow class]])
|
|
return createNSWindowSnapshot ((NSWindow*) windowOrView);
|
|
|
|
if ([windowOrView isKindOfClass: [NSView class]])
|
|
return createNSWindowSnapshot ([(NSView*) windowOrView window]);
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
//==============================================================================
|
|
void SystemClipboard::copyTextToClipboard (const String& text)
|
|
{
|
|
NSPasteboard* pb = [NSPasteboard generalPasteboard];
|
|
|
|
[pb declareTypes: [NSArray arrayWithObject: NSStringPboardType]
|
|
owner: nil];
|
|
|
|
[pb setString: juceStringToNS (text)
|
|
forType: NSStringPboardType];
|
|
}
|
|
|
|
String SystemClipboard::getTextFromClipboard()
|
|
{
|
|
return nsStringToJuce ([[NSPasteboard generalPasteboard] stringForType: NSStringPboardType]);
|
|
}
|
|
|
|
void Process::setDockIconVisible (bool isVisible)
|
|
{
|
|
ProcessSerialNumber psn { 0, kCurrentProcess };
|
|
|
|
OSStatus err = TransformProcessType (&psn, isVisible ? kProcessTransformToForegroundApplication
|
|
: kProcessTransformToUIElementApplication);
|
|
jassert (err == 0);
|
|
ignoreUnused (err);
|
|
}
|
|
|
|
bool Desktop::isOSXDarkModeActive()
|
|
{
|
|
return [[[NSUserDefaults standardUserDefaults] stringForKey: nsStringLiteral ("AppleInterfaceStyle")]
|
|
isEqualToString: nsStringLiteral ("Dark")];
|
|
}
|
|
|
|
} // namespace juce
|