Click replay timeline to seek. (#3570)

* Click replay timeline to seek.

* Fix seek for long games

* Erase log when rewinding

* zach cleanup

Signed-off-by: Zach Halpern <ZaHalpern+github@gmail.com>

cockatrice/src/replay_timeline_widget.cpp

@@ -22,12 +22,12 @@ void ReplayTimelineWidget::setTimeline(const QList<int> &_replayTimeline)
     histogram.clear();
     int binEndTime = binLength - 1;
     int binValue = 0;
-    for (int i = 0; i < replayTimeline.size(); ++i) {
+    for (int i : replayTimeline) {
-        if (replayTimeline[i] > binEndTime) {
+        if (i > binEndTime) {
             histogram.append(binValue);
             if (binValue > maxBinValue)
                 maxBinValue = binValue;
-            while (replayTimeline[i] > binEndTime + binLength) {
+            while (i > binEndTime + binLength) {
                 histogram.append(0);
                 binEndTime += binLength;
             }
@@ -59,17 +59,30 @@ void ReplayTimelineWidget::paintEvent(QPaintEvent * /* event */)
 
     const QColor barColor = QColor::fromHsv(120, 255, 255, 100);
     quint64 w = (quint64)(width() - 1) * (quint64)currentTime / maxTime;
-    painter.fillRect(0, 0, w, height() - 1, barColor);
+    painter.fillRect(0, 0, static_cast<int>(w), height() - 1, barColor);
+}
+
+void ReplayTimelineWidget::mousePressEvent(QMouseEvent *event)
+{
+    int newTime = static_cast<int>((long)maxTime * (long)event->x() / width());
+    if (newTime < currentTime) {
+        currentTime = 0;
+        currentEvent = 0;
+        emit rewound();
+    }
+    currentTime = newTime - 200; // 200 is added back in replayTimerTimeout
+    replayTimerTimeout();
+    update();
 }
 
 QSize ReplayTimelineWidget::sizeHint() const
 {
-    return QSize(-1, 50);
+    return {-1, 50};
 }
 
 QSize ReplayTimelineWidget::minimumSizeHint() const
 {
-    return QSize(400, 50);
+    return {400, 50};
 }
 
 void ReplayTimelineWidget::replayTimerTimeout()
@@ -91,12 +104,12 @@ void ReplayTimelineWidget::replayTimerTimeout()
 void ReplayTimelineWidget::setTimeScaleFactor(qreal _timeScaleFactor)
 {
     timeScaleFactor = _timeScaleFactor;
-    replayTimer->setInterval(200 / timeScaleFactor);
+    replayTimer->setInterval(static_cast<int>(200 / timeScaleFactor));
 }
 
 void ReplayTimelineWidget::startReplay()
 {
-    replayTimer->start(200 / timeScaleFactor);
+    replayTimer->start(static_cast<int>(200 / timeScaleFactor));
 }
 
 void ReplayTimelineWidget::stopReplay()

cockatrice/src/replay_timeline_widget.h

@@ -2,6 +2,7 @@
 #define REPLAY_TIMELINE_WIDGET
 
 #include <QList>
+#include <QMouseEvent>
 #include <QWidget>
 
 class QPaintEvent;
@@ -13,6 +14,7 @@ class ReplayTimelineWidget : public QWidget
 signals:
     void processNextEvent();
     void replayFinished();
+    void rewound();
 
 private:
     QTimer *replayTimer;
@@ -27,10 +29,10 @@ private slots:
     void replayTimerTimeout();
 
 public:
-    ReplayTimelineWidget(QWidget *parent = 0);
+    explicit ReplayTimelineWidget(QWidget *parent = nullptr);
     void setTimeline(const QList<int> &_replayTimeline);
-    QSize sizeHint() const;
+    QSize sizeHint() const override;
-    QSize minimumSizeHint() const;
+    QSize minimumSizeHint() const override;
     void setTimeScaleFactor(qreal _timeScaleFactor);
     int getCurrentEvent() const
     {
@@ -41,7 +43,8 @@ public slots:
     void stopReplay();
 
 protected:
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
 };
 
 #endif

cockatrice/src/tab_game.cpp

@@ -1604,6 +1604,7 @@ void TabGame::createReplayDock()
     timelineWidget->setTimeline(replayTimeline);
     connect(timelineWidget, SIGNAL(processNextEvent()), this, SLOT(replayNextEvent()));
     connect(timelineWidget, SIGNAL(replayFinished()), this, SLOT(replayFinished()));
+    connect(timelineWidget, &ReplayTimelineWidget::rewound, messageLog, &ChatView::clearChat);
 
     replayStartButton = new QToolButton;
     replayStartButton->setIconSize(QSize(32, 32));