TheLanc3/rustdesk
1
0
Fork 0
mirror of https://github.com/rustdesk/rustdesk.git synced 2026-09-11 23:11:01 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat(macos): expose the local system cursor size

Browse Source
This commit is contained in:
fufesou
2026-09-11 16:02:52 +08:00
parent 7bb3fe6b5a
commit c983d00437
1 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
flutter/macos/Runner/MainFlutterWindow.swift
View File

@@ -198,7 +198,46 @@ class MainFlutterWindow: NSWindow {
}
}
private func registerCursorSizeChannel(registrar: FlutterPluginRegistrar) {
let channel = FlutterMethodChannel(name: "org.rustdesk.rustdesk/cursor", binaryMessenger: registrar.messenger)
channel.setMethodCallHandler { call, result in
guard call.method == "getSystemCursorSize" else {
result(FlutterMethodNotImplemented)
return
}
guard let size = self.systemCursorSize() else {
result(FlutterError(code: "cursor_size", message: "Could not measure the local system cursor", details: nil))
return
}
result(size)
}
}
private func systemCursorSize() -> Double? {
let image = NSCursor.arrow.image
guard let data = image.tiffRepresentation,
let bitmap = NSBitmapImageRep(data: data),
bitmap.pixelsWide > 0, bitmap.pixelsHigh > 0 else { return nil }
var left = bitmap.pixelsWide, top = bitmap.pixelsHigh
var right = -1, bottom = -1
for y in 0..<bitmap.pixelsHigh {
for x in 0..<bitmap.pixelsWide {
guard let color = bitmap.colorAt(x: x, y: y) else { return nil }
if color.alphaComponent == 0 { continue }
left = min(left, x)
right = max(right, x)
top = min(top, y)
bottom = max(bottom, y)
}
}
guard right >= left else { return nil }
let width = Double(right - left + 1) * image.size.width / Double(bitmap.pixelsWide)
let height = Double(bottom - top + 1) * image.size.height / Double(bitmap.pixelsHigh)
return max(width, height)
}
public func setMethodHandler(registrar: FlutterPluginRegistrar) {
registerCursorSizeChannel(registrar: registrar)
let channel = FlutterMethodChannel(name: "org.rustdesk.rustdesk/host", binaryMessenger: registrar.messenger)
channel.setMethodCallHandler({
(call, result) -> Void in