Merge branch '450_demo_step_by_step' into 'master'

[d] Add step-by-step and remove auto replay



See merge request !76

dfssd/gui/events.go

@@ -91,6 +91,7 @@ func (w *Window) initTimer() {
 	w.timer.OnTimeout(func() {
 		nbEvents := len(w.scene.Events)
 		if w.scene.currentEvent >= nbEvents {
+			w.stopButton.Click()
 			w.replayButton.Click()
 			return
 		}
@@ -116,6 +117,7 @@ func (w *Window) initTimer() {
 		quantum := time.Duration(w.quantumField.Value()) * time.Microsecond
 		endOfQuantum := w.scene.currentTime.Add(quantum)
 
+		drawnEvents := 0
 		for i := w.scene.currentEvent; i < nbEvents; i++ {
 			e := w.scene.Events[i]
 
@@ -125,10 +127,15 @@ func (w *Window) initTimer() {
 
 			w.DrawEvent(&e)
 			w.scene.currentEvent++
+			drawnEvents++
 		}
 
 		w.PrintQuantumInformation()
 		w.scene.currentTime = endOfQuantum
+
+		if w.speedSlider.Value() == 0 && drawnEvents > 0 {
+			w.stopButton.Click() // step-by-step
+		}
 	})
 }
 

dfssd/gui/widget.ui

@@ -187,7 +187,7 @@
           <enum>Qt::TabFocus</enum>
          </property>
          <property name="minimum">
-          <number>1</number>
+          <number>0</number>
          </property>
          <property name="maximum">
           <number>20</number>

dfssd/gui/window.go

@@ -122,7 +122,11 @@ func (w *Window) addActions() {
 	w.playButton.OnClicked(func() {
 		w.playButton.SetDisabled(true)
 		w.stopButton.SetDisabled(false)
-		speed := 2000 / w.speedSlider.Value()
+		s := w.speedSlider.Value()
+		if s == 0 {
+			s = 100 // step-by-step arbitrary speed value
+		}
+		speed := 2000 / s
 		w.timer.StartWithMsec(speed)
 	})