[Utils] fixing rounding issues in time display

Prevent getting strings like "5m60s" when rounding up.

meshroom/ui/qml/Controls/TextFileViewer.qml

@@ -226,7 +226,7 @@ Item {
                             anchors.fill: parent
                         }
                         enabled: logLine.duration > 0
-                        ToolTip.text: "Elapsed time: " + Format.getTimeStr(logLine.duration)
+                        ToolTip.text: "Elapsed time: " + Format.sec2timeStr(logLine.duration)
                         ToolTip.visible: mouseArea.containsMouse
                     }
 

meshroom/ui/qml/GraphEditor/NodeEditor.qml

@@ -34,7 +34,7 @@ Panel {
         else {
             timer.stop()
             if (node !== null && (node.isFinishedOrRunning() || globalStatus == "ERROR")) {
-                computationInfo.text = Format.getTimeStr(node.elapsedTime)
+                computationInfo.text = Format.sec2timeStr(node.elapsedTime)
             }
             else{
                 computationInfo.text =  ""
@@ -57,7 +57,7 @@ Panel {
                         nodeStartDateTime = new Date(node.getStartDateTime()).getTime()
                     }
                     var now = new Date().getTime()
-                    parent.text = Format.getTimeStr((now-nodeStartDateTime)/1000)
+                    parent.text = Format.sec2timeStr((now-nodeStartDateTime)/1000)
                 }
             }
             padding: 2
@@ -75,7 +75,7 @@ Panel {
                 if (node !== null && (node.isFinishedOrRunning() || (node.isSubmittedOrRunning() && node.elapsedTime > 0))) {
                     var longestChunkTime = getLongestChunkTime(node.chunks)
                     if (longestChunkTime > 0)
-                        return "Longest chunk: " + Format.getTimeStr(longestChunkTime) + " (" + node.chunks.count + " chunks)"
+                        return "Longest chunk: " + Format.sec2timeStr(longestChunkTime) + " (" + node.chunks.count + " chunks)"
                     else
                         return ""
                 } else {

meshroom/ui/qml/GraphEditor/NodeStatistics.qml

@@ -50,12 +50,12 @@ FocusScope {
             KeyValue {
                 key: "Time"
                 property real time: node.elapsedTime
-                value: time > 0.0 ? Format.sec2time(time) : "-"
+                value: time > 0.0 ? Format.sec2timecode(time) : "-"
             }
             KeyValue {
                 key: "Cumulated Time"
                 property real time: node.recursiveElapsedTime
-                value: time > 0.0 ? Format.sec2time(time) : "-"
+                value: time > 0.0 ? Format.sec2timecode(time) : "-"
             }
         }
     }

meshroom/ui/qml/Utils/format.js

@@ -14,40 +14,57 @@ function plainToHtml(t) {
     return escaped.replace(/\n/g, '<br>') // replace line breaks
 }
 
-function sec2time(time) {
-    var pad = function(num, size) { return ('000' + num).slice(size * -1) },
-    hours = Math.floor(time / 60 / 60),
-    minutes = Math.floor(time / 60) % 60,
-    seconds = Math.floor(time - minutes * 60);
-
-    return pad(hours, 2) + ':' + pad(minutes, 2) + ':' + pad(seconds, 2)
+function divmod(x, y) {
+    // Perform the division and get the quotient
+    const quotient = Math.floor(x / y);
+    // Compute the remainder
+    const remainder = x % y;
+    return [quotient, remainder];
 }
 
-function getTimeStr(elapsed)
-{
-    if (elapsed <= 0)
-        return ""
+function sec2timeHMS(totalSeconds) {
+    const [totalMinutes, seconds] = divmod(totalSeconds, 60.0)
+    const [hours, minutes] = divmod(totalMinutes, 60.0)
 
-    var hours = 0
-    var min = 0
-    var finalTime = ""
+    return {
+        hours: hours,
+        minutes: minutes,
+        seconds: seconds
+    };
+}
 
-    if (elapsed > 3600) {
-        hours = Math.floor(elapsed / 3600)
-        elapsed = elapsed - (hours * 3600)
-        finalTime += hours + "h"
-    }
-    if (elapsed > 60) {
-        min = Math.floor(elapsed / 60)
-        elapsed = elapsed - (min * 60)
-        finalTime += min + "m"
-    }
-    if (hours === 0 && min === 0) {
-        // Millisecond precision for execution times below 1 min
-        finalTime += Number(elapsed.toLocaleString(Qt.locale('en-US'))) + "s"
+function sec2timecode(timeSeconds) {
+    var pad = function(num, size) { return ('000' + num).slice(size * -1) }
+    var timeObj = sec2timeHMS(Math.round(timeSeconds))
+    var timeStr = pad(timeObj.hours, 2) + ':' + pad(timeObj.minutes, 2) + ':' + pad(timeObj.seconds, 2)
+    return timeStr
+}
+
+function sec2timeStr(timeSeconds) {
+    // Need to decide the rounding precision first
+    // to propagate the right values
+    if(timeSeconds >= 60.0) {
+        timeSeconds = Math.round(timeSeconds)
     } else {
-        finalTime += Math.round(elapsed) + "s"
+        timeSeconds = parseFloat(timeSeconds.toFixed(2))
     }
-
-    return finalTime
+    var timeObj = sec2timeHMS(timeSeconds)
+    var timeStr = ""
+    if(timeObj.hours > 0) {
+        timeStr += timeObj.hours + "h"
+    }
+    if(timeObj.hours > 0 || timeObj.minutes > 0) {
+        timeStr += timeObj.minutes + "m"
+    }
+    if(timeObj.hours === 0) {
+        // seconds only matter if the elapsed time is less than 1 hour
+        if(timeObj.minutes === 0) {
+            // If less than a minute, keep millisecond precision
+            timeStr += timeObj.seconds.toFixed(2) + "s"
+        } else {
+            // If more than a minute, do not need more precision than seconds
+            timeStr += Math.round(timeObj.seconds) + "s"
+        }
+    }
+    return timeStr
 }