OSX: fix cursor visibility for sharing service

PanoPainter-OSX/main.cpp

@@ -50,7 +50,7 @@ std::mutex task_mutex;
     if (cursor_visible == visible)
         return;
     cursor_visible = visible;
-    if (cursor_inside)
+    if (cursor_inside && !cursor_ignore)
         visible ? [NSCursor unhide] : [NSCursor hide];
 }
 - (std::string)pick_file:(NSArray<NSString*>*)types
@@ -63,7 +63,15 @@ std::mutex task_mutex;
     //NSArray* fileTypes = [NSArray arrayWithObjects:@"png", @"PNG", @"jpg", @"JPG", @"jpeg", nil];
     [panel setAllowedFileTypes:types];
 
+    [self removeTrackingArea:trackingArea];
+    if (!cursor_visible)
+        [NSCursor unhide];
+
     NSInteger clicked = [panel runModal];
+    
+    [self addTrackingArea:trackingArea];
+    if (!cursor_visible)
+        [NSCursor hide];
 
     std::string ret;
     if (clicked == NSFileHandlingPanelOKButton)
@@ -83,8 +91,16 @@ std::mutex task_mutex;
     [panel setCanChooseDirectories:YES];
     [panel setAllowsMultipleSelection:NO]; // yes if more than one dir is allowed
     
+    [self removeTrackingArea:trackingArea];
+    if (!cursor_visible)
+        [NSCursor unhide];
+
     NSInteger clicked = [panel runModal];
 
+    [self addTrackingArea:trackingArea];
+    if (!cursor_visible)
+        [NSCursor hide];
+
     std::string ret;
     if (clicked == NSFileHandlingPanelOKButton)
     {
@@ -100,6 +116,12 @@ std::mutex task_mutex;
 {
     NSURL *url = [NSURL fileURLWithPath:file_path];
     NSArray *objectsToShare = @[url];
+    
+    [self removeTrackingArea:trackingArea];
+    cursor_ignore = true;
+    if (!cursor_visible)
+        [NSCursor unhide];
+
     [airdrop_service performWithItems:objectsToShare];
 }
 - (NSWindow *)sharingService:(NSSharingService *)sharingService sourceWindowForShareItems:(NSArray *)items sharingContentScope:(NSSharingContentScope *)sharingContentScope
@@ -110,6 +132,23 @@ std::mutex task_mutex;
 {
     return self;
 }
+-(void)sharingService:(NSSharingService *)sharingService willShareItems:(NSArray *)items
+{
+}
+- (void)sharingService:(NSSharingService *)sharingService didFailToShareItems:(NSArray *)items error:(NSError *)error
+{
+    [self addTrackingArea:trackingArea];
+    cursor_ignore = false;
+    if (!cursor_visible)
+        [NSCursor hide];
+}
+- (void)sharingService:(NSSharingService *)sharingService didShareItems:(NSArray *)items
+{
+    [self addTrackingArea:trackingArea];
+    cursor_ignore = false;
+    if (!cursor_visible)
+        [NSCursor hide];
+}
 - (instancetype)initWithFrame:(NSRect)frameRect
 {
     airdrop_service = [NSSharingService  sharingServiceNamed:NSSharingServiceNameSendViaAirDrop];
@@ -117,6 +156,7 @@ std::mutex task_mutex;
     gl_ready = false;
     cursor_visible = CGCursorIsVisible();
     cursor_inside = false;
+    cursor_ignore = false;
     NSOpenGLPixelFormatAttribute attrs[] =
     {
         NSOpenGLPFADoubleBuffer,
@@ -135,10 +175,7 @@ std::mutex task_mutex;
     [self setPixelFormat:pf];
     [self setOpenGLContext:context];
 
-    trackingArea = [[NSTrackingArea alloc] initWithRect:frameRect
-            options: (NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved | NSTrackingActiveInKeyWindow )
-            owner:self userInfo:nil];
-    [self addTrackingArea:trackingArea];
+    [self updateTrackingAreas];
     return self;
 }
 - (void)prepareOpenGL

PanoPainter-OSX/main.h

@@ -18,6 +18,7 @@
     bool gl_ready;
     bool cursor_visible;
     bool cursor_inside;
+    bool cursor_ignore;
     NSTrackingArea* trackingArea;
     @public NSString* file2open;
 }