minor legend improvements

widgets/layout.go

@@ -144,6 +144,15 @@ func (l *Layout) HandleConsoleEvent(e string) {
 		}
 	case console.KeyUp:
 		switch l.mode {
+		case ModeDefault:
+			l.mode = ModeComponentSelect
+			l.selection = 0
+			l.menu.highlight(l.getComponent(l.selection))
+		case ModeComponentSelect:
+			if l.selection > 0 {
+				l.selection--
+			}
+			l.menu.highlight(l.getComponent(l.selection))
 		case ModeMenuOptionSelect:
 			l.menu.up()
 		case ModeComponentMove:
@@ -153,6 +162,15 @@ func (l *Layout) HandleConsoleEvent(e string) {
 		}
 	case console.KeyDown:
 		switch l.mode {
+		case ModeDefault:
+			l.mode = ModeComponentSelect
+			l.selection = 0
+			l.menu.highlight(l.getComponent(l.selection))
+		case ModeComponentSelect:
+			if l.selection < len(l.components)-1 {
+				l.selection++
+			}
+			l.menu.highlight(l.getComponent(l.selection))
 		case ModeMenuOptionSelect:
 			l.menu.down()
 		case ModeComponentMove:

widgets/runchart/legend.go

@@ -36,7 +36,7 @@ func (c *RunChart) renderLegend(buffer *ui.Buffer, rectangle image.Rectangle) {
 		height = heightOnDetails
 	}
 
-	rowCount := (c.Dx() - yAxisLegendIndent) / (height + yAxisLegendIndent)
+	rowCount := (c.Dy() - 2*yAxisLegendIndent) / (height + yAxisLegendIndent)
 	columnCount := int(math.Ceil(float64(len(c.lines)) / float64(rowCount)))
 	columnWidth := getColumnWidth(c.mode, c.lines, c.precision)
 
@@ -71,9 +71,9 @@ func (c *RunChart) renderLegend(buffer *ui.Buffer, rectangle image.Rectangle) {
 
 			details := [4]string{
 				fmt.Sprintf("cur %s", formatValue(getCurrentValue(line), c.precision)),
+				fmt.Sprintf("dlt %s", formatValue(getDiffWithPreviousValue(line), c.precision)),
 				fmt.Sprintf("max %s", formatValue(line.extrema.max, c.precision)),
 				fmt.Sprintf("min %s", formatValue(line.extrema.min, c.precision)),
-				fmt.Sprintf("dif %s", formatValue(getDiffWithPreviousValue(line), c.precision)),
 			}
 
 			for i, detail := range details {