When predictions are enabled, only rescale the X axis when the time p…

…eriod is not always locked; and if it is locked, center the display on the current bg value, not the last prediction.
NightscoutFoundation · May 15, 2024 · b2bc51b · b2bc51b
1 parent db904ab
commit b2bc51b
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/app/src/main/java/com/eveningoutpost/dexdrip/Home.java b/app/src/main/java/com/eveningoutpost/dexdrip/Home.java
@@ -2296,8 +2296,12 @@ private void setHoursViewPort(final String source) {
                 break;
         }
 
-        float ideal_hours_to_show = DEFAULT_CHART_HOURS + bgGraphBuilder.getPredictivehours();
-        // always show at least the ideal number of hours if locked or auto
+        // always show at least the ideal number of hours
+        float ideal_hours_to_show = DEFAULT_CHART_HOURS;
+        // ... and rescale to accommodate predictions if not locked
+        if (! homeShelf.get("time_locked_always")) {
+            ideal_hours_to_show += bgGraphBuilder.getPredictivehours();
+        }
         float hours_to_show =  exactHoursSpecified ? hours : Math.max(hours, ideal_hours_to_show);
 
         UserError.Log.d(TAG, "VIEWPORT " + source + " moveviewport in setHours: asked " + hours + " vs auto " + ideal_hours_to_show + " = " + hours_to_show + " full chart width: " + bgGraphBuilder.hoursShownOnChart());
@@ -2308,6 +2312,12 @@ private void setHoursViewPort(final String source) {
         holdViewport.top = maxViewPort.top;
         holdViewport.bottom = maxViewPort.bottom;
 
+        // if locked, center display on current bg values, not predictions
+        if (homeShelf.get("time_locked_always")) {
+            holdViewport.left -= hour_width * bgGraphBuilder.getPredictivehours();
+            holdViewport.right -= hour_width * bgGraphBuilder.getPredictivehours();
+        }
+
         if (d) {
             UserError.Log.d(TAG, "HOLD VIEWPORT " + holdViewport);
             UserError.Log.d(TAG, "MAX VIEWPORT " + maxViewPort);