After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/app/reading_regions.go

@@ -0,0 +1,55 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package app
+
+import (
+	"strconv"
+	"strings"
+)
+
+func (a *application) reading_regions_changed() {
+	a.spellFeedback++
+	if a.cues != nil {
+		a.cues.Clear_progress()
+	}
+	// Changing a filter must not make an old, newly exposed prompt restore
+	// speech. Observe it now as a baseline, without presenting the result.
+	a.prompts.Observe(a.engine.Automatic_snapshot())
+}
+
+// remote_window runs only after the existing section-specific authorization.
+// Python accepts these operations in both COMMAND and SETTING sections. Remote
+// coordinates are zero-based inclusive cells, unlike spoken row/column reports.
+func (a *application) remote_window(text string) (string, bool) {
+	fields := strings.Fields(text)
+	if len(fields) == 0 {
+		return "", false
+	}
+	switch strings.ToUpper(fields[0]) {
+	case "WINDOW":
+		if len(fields) != 5 {
+			return "WINDOW requires four coordinates: x1 y1 x2 y2", true
+		}
+		var coordinates [4]int
+		for index := range coordinates {
+			value, err := strconv.Atoi(fields[index+1])
+			if err != nil {
+				return "Invalid WINDOW coordinate", true
+			}
+			coordinates[index] = value
+		}
+		if err := a.engine.Set_window(coordinates[0], coordinates[1], coordinates[2], coordinates[3]); err != nil {
+			return err.Error(), true
+		}
+	case "RESETWINDOW":
+		if len(fields) != 1 {
+			return "RESETWINDOW does not accept coordinates", true
+		}
+		a.engine.Clear_window()
+	default:
+		return "", false
+	}
+	a.reading_regions_changed()
+	return "", true
+}