Added CursorPair::get_cursor_offsets()

[pulseview.git] / pv / view / cursorpair.cpp

diff --git a/pv/view/cursorpair.cpp b/pv/view/cursorpair.cpp
index 7fe90c7b6ef11ccb12d3a91d8a3bb05c53334ee9..5ce398a0ff3f764e9b0e6d6914bf9f258254bce0 100644 (file)
--- a/pv/view/cursorpair.cpp
+++ b/pv/view/cursorpair.cpp
@@ -22,12 +22,16 @@
 
 #include "view.h"
 
+#include <algorithm>
+
+using namespace std;
+
 namespace pv {
 namespace view {
 
 CursorPair::CursorPair(const View &view) :
-       _first(view, 0.0),
-       _second(view, 1.0),
+       _first(view, 0.0, _second),
+       _second(view, 1.0, _first),
        _view(view)
 {
 }
@@ -52,5 +56,41 @@ Cursor& CursorPair::second()
        return _second;
 }
 
+void CursorPair::draw_markers(QPainter &p,
+       const QRect &rect, unsigned int prefix)
+{
+       _first.paint_label(p, rect, prefix);
+       _second.paint_label(p, rect, prefix);
+}
+
+void CursorPair::draw_viewport_background(QPainter &p,
+       const QRect &rect)
+{
+       p.setPen(Qt::NoPen);
+       p.setBrush(QBrush(View::CursorAreaColour));
+
+       const pair<float, float> offsets(get_cursor_offsets());
+       const int l = (int)max(min(
+               offsets.first, offsets.second), 0.0f);
+       const int r = (int)min(max(
+               offsets.first, offsets.second), (float)rect.width());
+
+       p.drawRect(l, 0, r - l, rect.height());
+}
+
+void CursorPair::draw_viewport_foreground(QPainter &p,
+       const QRect &rect)
+{
+       _first.paint(p, rect);
+       _second.paint(p, rect);
+}
+
+pair<float, float> CursorPair::get_cursor_offsets() const
+{
+       return pair<float, float>(
+               (_first.time() - _view.offset()) / _view.scale(),
+               (_second.time() - _view.offset()) / _view.scale());
+}
+
 } // namespace view
 } // namespace pv