add Destroy room button, show error notification on presence error and show disabled lambda icon when not focused on any chat

gtk-message.go

@@ -65,10 +65,11 @@ func generateMessageWidget(p stanza.Packet) gtk.Widgetter {
 	if m.Error.Type != "" {
 		error_box := gtk.NewBox(gtk.OrientationHorizontal, 0)
 		cancel_img := gtk.NewImageFromPaintable(clientAssets["cancel"])
-		error_label := gtk.NewLabel(m.Error.Text)
+		error_label := gtk.NewLabel(m.Error.Text+ ": ")
 
 		error_box.Append(cancel_img)
 		error_box.Append(error_label)
+		error_box.Append(gtk.NewLabel(m.Error.Reason))
 		return error_box
 	}
 
@@ -148,6 +149,7 @@ func generateMessageWidget(p stanza.Packet) gtk.Widgetter {
 
 	al := gtk.NewLabel(jid.MustParse(m.From).Resourcepart())
 	al.AddCSSClass("author")
+	al.SetSelectable(true)
 
 	if m.Type == stanza.MessageTypeGroupchat {
 		mo, _ := mucmembers.Load(jid.MustParse(m.From).Bare().String())
@@ -215,6 +217,15 @@ func generateMessageWidget(p stanza.Packet) gtk.Widgetter {
 		authorBox.Append(mbtn)
 	}
 
+	if m.Subject != "" {
+		subjectlabel := gtk.NewLabel(m.Subject)
+		subjectlabel.SetWrap(true)
+		subjectlabel.SetSelectable(true)
+		subjectlabel.SetHAlign(gtk.AlignFill)
+		subjectlabel.AddCSSClass("subject")
+		mainBox.Append(subjectlabel)
+	}
+
 	return mainBox
 }