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fix: make TUI charts fill available width on wide terminals #24318

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Merged
gnodet merged 2 commits into from
Jun 30, 2026
+11 −10
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fix: make TUI charts fill available width on wide terminals #24318

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223a47f
fix: make TUI charts fill available width on wide terminals
gnodet Jun 29, 2026
cf8d06e
fix: apply dynamic chart sizing to CircuitBreakerTab
gnodet Jun 29, 2026
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7 changes: 4 additions & 3 deletions ...gin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/CircuitBreakerTab.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@
class CircuitBreakerTab implements MonitorTab {

private static final String[] SORT_COLUMNS = { "route", "id", "component", "state" };
private static final int MAX_CHART_POINTS = 60;
private static final int MAX_CHART_POINTS = 300;

private final MonitorContext ctx;
private final TableState tableState = new TableState();
Expand Down Expand Up @@ -352,7 +352,7 @@ private void renderChart(Frame frame, Rect area, CircuitBreakerInfo cb, String p

LinkedList<Long> successHist = cbSuccessHistory.get(key);
LinkedList<Long> failHist = cbFailHistory.get(key);
int renderPoints = MAX_CHART_POINTS;
int renderPoints = Math.min(MAX_CHART_POINTS, Math.max(2, vSplit.get(1).width() - 6));
long[] successArr = new long[renderPoints];
long[] failArr = new long[renderPoints];
if (successHist != null) {
Expand Down Expand Up @@ -384,7 +384,8 @@ private void renderChart(Frame frame, Rect area, CircuitBreakerInfo cb, String p
.topStyle(Style.EMPTY.fg(Color.GREEN))
.bottomStyle(Style.EMPTY.fg(Color.LIGHT_RED))
.showYAxis(true)
.xLabels("-60s", "-45s", "-30s", "-15s", "now")
.xLabels("-" + renderPoints + "s", "-" + (renderPoints * 3 / 4) + "s",
"-" + (renderPoints / 2) + "s", "-" + (renderPoints / 4) + "s", "now")
.block(Block.builder().borderType(BorderType.ROUNDED).borders(Borders.ALL)
.title(Title.from(chartTitle)).build())
.build(), vSplit.get(1));
Expand Down
8 changes: 4 additions & 4 deletions ...g-plugin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/EndpointsTab.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@
class EndpointsTab implements MonitorTab {

private static final String[] SORT_COLUMNS = { "component", "route", "dir", "total", "body", "hdr", "uri" };
private static final int MAX_CHART_POINTS = 60;
private static final int MAX_CHART_POINTS = 300;
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davsclaus marked this conversation as resolved.
private static final int CHART_ALL = 0;
private static final int CHART_SINGLE = 1;
private static final int CHART_OFF = 2;
Expand Down Expand Up @@ -426,7 +426,7 @@ private void renderEndpointFlow(
LinkedList<Long> inHist = inHistMap.getOrDefault(pid, new LinkedList<>());
LinkedList<Long> outHist = outHistMap.getOrDefault(pid, new LinkedList<>());

int renderPoints = MAX_CHART_POINTS;
int renderPoints = Math.min(MAX_CHART_POINTS, Math.max(2, hSplit.get(1).width() - 6));
long[] inArr = new long[renderPoints];
long[] outArr = new long[renderPoints];
for (int i = 0; i < renderPoints; i++) {
Expand Down Expand Up @@ -529,7 +529,7 @@ private void renderSingleEndpointChart(Frame frame, Rect area, String selectedUr
LinkedList<Long> inHist = perEndpointInHistory.getOrDefault(key, new LinkedList<>());
LinkedList<Long> outHist = perEndpointOutHistory.getOrDefault(key, new LinkedList<>());

int renderPoints = MAX_CHART_POINTS;
int renderPoints = Math.min(MAX_CHART_POINTS, Math.max(2, hSplit.get(1).width() - 6));
long[] inArr = new long[renderPoints];
long[] outArr = new long[renderPoints];
for (int i = 0; i < renderPoints; i++) {
Expand Down Expand Up @@ -576,7 +576,7 @@ private void renderPayloadSizeChart(Frame frame, Rect area, String pid) {
LinkedList<Long> inHist = endpointInSizeHistory.getOrDefault(pid, new LinkedList<>());
LinkedList<Long> outHist = endpointOutSizeHistory.getOrDefault(pid, new LinkedList<>());

int renderPoints = MAX_CHART_POINTS;
int renderPoints = Math.min(MAX_CHART_POINTS, Math.max(2, area.width() - 6));
long[] inArr = new long[renderPoints];
long[] outArr = new long[renderPoints];
for (int i = 0; i < renderPoints; i++) {
Expand Down
4 changes: 2 additions & 2 deletions ...ugin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/MetricsCollector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,8 @@
*/
class MetricsCollector {

static final int MAX_SPARKLINE_POINTS = 60;
static final int MAX_ENDPOINT_CHART_POINTS = 60;
static final int MAX_SPARKLINE_POINTS = 300;
static final int MAX_ENDPOINT_CHART_POINTS = 300;
static final int MAX_HEAP_HISTORY_POINTS = 120;
static final long HEAP_SAMPLE_INTERVAL_MS = 5000;

Expand Down
2 changes: 1 addition & 1 deletion ...ng-plugin-tui/src/main/java/org/apache/camel/dsl/jbang/core/commands/tui/OverviewTab.java
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Expand Up @@ -71,7 +71,7 @@ interface OverviewActions {
}

private static final long VANISH_DURATION_MS = 6000;
private static final int MAX_SPARKLINE_POINTS = 60;
private static final int MAX_SPARKLINE_POINTS = 300;
private static final String[] SORT_COLUMNS = { "pid", "name", "version", "status", "total", "fail" };

static final int CHART_ALL = 0;
Expand Down