xA: make the log effectively read-only

So that Fyne tools can be run without building the default binary.

xA/Makefile

@@ -4,8 +4,10 @@
 AWK = env LC_ALL=C awk
 
 tools = ../liberty/tools
-outputs = FyneApp.toml xA proto.go xA.png xA-highlighted.png beep.raw
+generated = FyneApp.toml xA.png xA-highlighted.png beep.raw proto.go
+outputs = xA $(generated)
 all: $(outputs)
+generate: $(generated)
 
 FyneApp.toml: ../xK-version
 	printf "\
@@ -27,7 +29,7 @@ beep.raw:
 proto.go: $(tools)/lxdrgen.awk $(tools)/lxdrgen-go.awk ../xC.lxdr
 	$(AWK) -f $(tools)/lxdrgen.awk -f $(tools)/lxdrgen-go.awk \
 		-v PrefixCamel=Relay ../xC.lxdr > $@
-xA: xA.go proto.go ../xK-version xA.png xA-highlighted.png beep.raw
+xA: xA.go ../xK-version $(generated)
 	go build -ldflags "-X 'main.projectVersion=$$(cat ../xK-version)'" -o $@ \
 		-gcflags=all="-N -l"
 clean:

xA/xA.go

@@ -1322,7 +1322,8 @@ func (e *inputEntry) SetText(text string) {
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 type logEntry struct {
-	// XXX: Sadly, we can't seem to make it read-only in any way.
+	// XXX: Sadly, we can't seem to make it actually read-only.
+	// https://github.com/fyne-io/fyne/issues/5263
 	widget.Entry
 }
 
@@ -1334,6 +1335,12 @@ func newLogEntry() *logEntry {
 	return e
 }
 
+func (e *logEntry) SetText(text string) {
+	e.OnChanged = nil
+	e.Entry.SetText(text)
+	e.OnChanged = func(string) { e.Entry.SetText(text) }
+}
+
 func (e *logEntry) AcceptsTab() bool {
 	return false
 }