#import <objc/message.h>
#import "FlutterMouseCursorPlugin.h"
#import "flutter/shell/platform/darwin/common/framework/Headers/FlutterCodecs.h"

Functions
static NSCursor *	GetCursorForKind (NSString *kind)

Variables
static NSString *const	kMouseCursorChannel = @"@"flutter/mousecursor"

static NSString *const	kActivateSystemCursorMethod = @"@"activateSystemCursor"

static NSString *const	kKindKey = @"@"kind"

static NSString *const	kKindValueNone = @"@"none"

static NSDictionary *	systemCursors

NSMutableDictionary *	cachedSystemCursors

Function Documentation

◆ GetCursorForKind()

static NSCursor* GetCursorForKind ( NSString * kind )

static

Maps a Flutter's constant to a platform's cursor object.

Returns the arrow cursor for unknown constants, including kSystemShapeNone.

Definition at line 24 of file FlutterMouseCursorPlugin.mm.

                                                   {
   // The following mapping must be kept in sync with Flutter framework's
   // mouse_cursor.dart
  
   if ([kind isEqualToString:kKindValueNone]) {
     NSImage* image = [[NSImage alloc] initWithSize:NSMakeSize(1, 1)];
     return [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(0, 0)];
   }
  
   if (systemCursors == nil) {
     systemCursors = @{
       @"alias" : [NSCursor dragLinkCursor],
       @"basic" : [NSCursor arrowCursor],
       @"click" : [NSCursor pointingHandCursor],
       @"contextMenu" : [NSCursor contextualMenuCursor],
       @"copy" : [NSCursor dragCopyCursor],
       @"disappearing" : [NSCursor disappearingItemCursor],
       @"forbidden" : [NSCursor operationNotAllowedCursor],
       @"grab" : [NSCursor openHandCursor],
       @"grabbing" : [NSCursor closedHandCursor],
       @"noDrop" : [NSCursor operationNotAllowedCursor],
       @"precise" : [NSCursor crosshairCursor],
       @"text" : [NSCursor IBeamCursor],
       @"resizeColumn" : [NSCursor resizeLeftRightCursor],
       @"resizeDown" : [NSCursor resizeDownCursor],
       @"resizeLeft" : [NSCursor resizeLeftCursor],
       @"resizeLeftRight" : [NSCursor resizeLeftRightCursor],
       @"resizeRight" : [NSCursor resizeRightCursor],
       @"resizeRow" : [NSCursor resizeUpDownCursor],
       @"resizeUp" : [NSCursor resizeUpCursor],
       @"resizeUpDown" : [NSCursor resizeUpDownCursor],
       @"verticalText" : [NSCursor IBeamCursorForVerticalLayout],
     };
   }
   NSCursor* result = [systemCursors objectForKey:kind];
   if (result == nil) {
     return [NSCursor arrowCursor];
   }
   return result;
 }