began timeline edit tool

app/widget/timelinewidget/tool/edit.cpp

@@ -0,0 +1,21 @@
+#include "widget/timelinewidget/timelinewidget.h"
+
+TimelineWidget::EditTool::EditTool(TimelineWidget* parent) :
+  Tool(parent)
+{
+}
+
+void TimelineWidget::EditTool::MousePress(TimelineViewMouseEvent *event)
+{
+
+}
+
+void TimelineWidget::EditTool::MouseMove(TimelineViewMouseEvent *event)
+{
+
+}
+
+void TimelineWidget::EditTool::MouseRelease(TimelineViewMouseEvent *event)
+{
+
+}