Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

tests/scripts/drag.swift

@@ -0,0 +1,16 @@
+// Drags the left button from x1 y1 to x2 y2.
+import CoreGraphics
+import Foundation
+let a = CommandLine.arguments.dropFirst().map { Double($0)! }
+let (from, to) = (CGPoint(x: a[0], y: a[1]), CGPoint(x: a[2], y: a[3]))
+func post(_ kind: CGEventType, _ at: CGPoint) {
+    CGEvent(mouseEventSource: nil, mouseType: kind, mouseCursorPosition: at, mouseButton: .left)!.post(tap: .cghidEventTap)
+    usleep(30_000)
+}
+post(.mouseMoved, from)
+post(.leftMouseDown, from)
+for step in 1...20 {
+    let t = Double(step) / 20
+    post(.leftMouseDragged, CGPoint(x: from.x + (to.x - from.x) * t, y: from.y + (to.y - from.y) * t))
+}
+post(.leftMouseUp, to)