waveformview: made UI seekable

2020-03-14 01:57:40 +11:00
parent 73d693f2d5
commit 7f2dcc8200
12 changed files with 233 additions and 185 deletions
@@ -0,0 +1,72 @@
+#ifndef SEEKABLEWIDGET_H
+#define SEEKABLEWIDGET_H
+
+#include "common/rational.h"
+#include "timeline/timelinepoints.h"
+#include "widget/timelinewidget/view/timelineplayhead.h"
+#include "widget/timelinewidget/timelinescaledobject.h"
+
+class SeekableWidget : public TimelineScaledWidget
+{
+  Q_OBJECT
+public:
+  SeekableWidget(QWidget *parent = nullptr);
+
+  const int64_t& GetTime() const;
+
+  const int& GetScroll() const;
+
+  void ConnectTimelinePoints(TimelinePoints* points);
+
+public slots:
+  void SetTime(const int64_t &r);
+
+  void SetScroll(int s);
+
+protected:
+  void SeekToScreenPoint(int screen);
+
+  virtual void mousePressEvent(QMouseEvent *event) override;
+  virtual void mouseMoveEvent(QMouseEvent *event) override;
+
+  virtual void ScaleChangedEvent(const double&) override;
+
+  TimelinePoints* timeline_points() const;
+
+  double ScreenToUnitFloat(int screen);
+
+  int64_t ScreenToUnit(int screen);
+  int64_t ScreenToUnitRounded(int screen);
+
+  int UnitToScreen(int64_t unit);
+
+  int TimeToScreen(const rational& time);
+
+  inline const QColor& GetPlayheadColor() const
+  {
+    return style_.GetPlayheadColor();
+  }
+
+  inline const QColor& GetPlayheadHighlightColor() const
+  {
+    return style_.GetPlayheadHighlightColor();
+  }
+
+signals:
+  /**
+   * @brief Signal emitted whenever the time changes on this ruler, either by user or programatically
+   */
+  void TimeChanged(int64_t);
+
+private:
+  int64_t time_;
+
+  TimelinePlayhead style_;
+
+  TimelinePoints* timeline_points_;
+
+  int scroll_;
+
+};
+
+#endif // SEEKABLEWIDGET_H