X-Git-Url: http://git.giacomolli.uk/onechat/blobdiff_plain/baf7a940be8927278e3b4b87e7366cebfc16532f..ae8532ff0e9d3d676fec5f48780a62e58aa6882d:/view.go?ds=sidebyside

diff --git a/view.go b/view.go
index 9fcd7d8..2357198 100644
--- a/view.go
+++ b/view.go
@@ -168,6 +168,18 @@ func (v *View) Refresh(node Node) {
 	}
 }
 
+// Pending tells if a line of the view is not built yet.
+func (v *View) Pending() bool {
+	for _, line := range v.lines {
+		_, built := v.nodes[line]
+		if !built {
+			return true
+		}
+	}
+
+	return false
+}
+
 // Render returns the view as the model reads it: one line "id+n|text" for each
 // node inside <chat> tags, with the newlines of the text as spaces.
 func (v *View) Render() string {
@@ -185,7 +197,9 @@ func (v *View) LinesWithout(skip map[int]bool) []string {
 		}
 
 		var text strings.Builder
+
 		v.renderLine(&text, line)
+
 		lines = append(lines, text.String())
 	}
 
@@ -197,7 +211,9 @@ func (v *View) LinesWithout(skip map[int]bool) []string {
 // sees a pending mark or a part of a message.
 func (v *View) Context(end int) string {
 	var text strings.Builder
+
 	text.WriteString("<chat>\n")
+
 	for _, line := range v.lines {
 		_, built := v.nodes[line]
 		if !built || nodeEnd(line.level, line.index) > end {
@@ -249,6 +265,7 @@ func (v *View) fit(tree ViewNodeReader) (bool, error) {
 		size += v.lineSize(parent) - v.lineSize(left) - v.lineSize(right)
 		delete(v.nodes, left)
 		delete(v.nodes, right)
+
 		v.lines[best] = parent
 		v.lines = append(v.lines[:best+1], v.lines[best+2:]...)
 		merged = true
@@ -304,7 +321,7 @@ func (v *View) mostDue(tree ViewNodeReader) (int, error) {
 
 		built, err := tree.Built(left.level+1, left.index/2)
 		if err != nil {
-			return -1, err
+			return -1, fmt.Errorf("check parent node: %w", err)
 		}
 
 		if built {