1 files changed, 84 insertions, 0 deletions
diff --git a/src/slic3r/GUI/InstanceCheckMac.mm b/src/slic3r/GUI/InstanceCheckMac.mm
new file mode 100644
index 000000000..9969b1a7b
--- /dev/null
+++ b/src/slic3r/GUI/InstanceCheckMac.mm
@@ -0,0 +1,84 @@
+#import "InstanceCheck.hpp"
+#import "InstanceCheckMac.h"
+#import "GUI_App.hpp"
+
+@implementation OtherInstanceMessageHandlerMac
+
+-(instancetype) init
+{
+	self = [super init];
+	return self;
+}
+-(void)add_observer:(NSString *)version_hash
+{
+	//NSLog(@"adding observer");
+	//NSString *nsver = @"OtherPrusaSlicerInstanceMessage" + version_hash;
+	NSString *nsver = [NSString stringWithFormat: @"%@%@", @"OtherPrusaSlicerInstanceMessage", version_hash];
+	[[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(message_update:) name:nsver object:nil suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately];
+}
+
+-(void)message_update:(NSNotification *)msg
+{
+	[self bring_forward];
+	//pass message  
+	Slic3r::GUI::wxGetApp().other_instance_message_handler()->handle_message(std::string([msg.userInfo[@"data"] UTF8String]));
+}
+
+-(void) bring_forward
+{
+	//demiaturize all windows
+	for(NSWindow* win in [NSApp windows])
+	{
+		if([win isMiniaturized])
+		{
+			[win deminiaturize:self];
+		}
+	}
+	//bring window to front 
+	[[NSApplication sharedApplication] activateIgnoringOtherApps : YES];
+}
+
+@end
+
+namespace Slic3r {
+
+void send_message_mac(const std::string &msg, const std::string &version)
+{
+	NSString *nsmsg = [NSString stringWithCString:msg.c_str() encoding:[NSString defaultCStringEncoding]];
+	//NSString *nsver = @"OtherPrusaSlicerInstanceMessage" + [NSString stringWithCString:version.c_str() encoding:[NSString defaultCStringEncoding]];
+	NSString *nsver = [NSString stringWithCString:version.c_str() encoding:[NSString defaultCStringEncoding]];
+	NSString *notifname = [NSString stringWithFormat: @"%@%@", @"OtherPrusaSlicerInstanceMessage", nsver];
+	[[NSDistributedNotificationCenter defaultCenter] postNotificationName:notifname object:nil userInfo:[NSDictionary dictionaryWithObject:nsmsg forKey:@"data"] deliverImmediately:YES];
+}
+
+namespace GUI {
+void OtherInstanceMessageHandler::register_for_messages(const std::string &version_hash)
+{
+	m_impl_osx = [[OtherInstanceMessageHandlerMac alloc] init];
+	if(m_impl_osx) {
+		NSString *nsver = [NSString stringWithCString:version_hash.c_str() encoding:[NSString defaultCStringEncoding]];
+		[m_impl_osx add_observer:nsver];
+	}
+}
+
+void OtherInstanceMessageHandler::unregister_for_messages()
+{
+	//NSLog(@"unreegistering other instance messages");
+	if (m_impl_osx) {
+        [m_impl_osx release];
+        m_impl_osx = nullptr;
+    } else {
+		NSLog(@"warning: unregister instance InstanceCheck notifications not required");
+	}
+}
+
+void OtherInstanceMessageHandler::bring_instance_forward()
+{
+	if (m_impl_osx) {
+		[m_impl_osx bring_forward];
+	}
+}
+}//namespace GUI
+}//namespace Slicer
+
+