From: Joel Holdsworth <redacted>
Date: Sat, 20 Apr 2013 12:01:03 +0000 (+0100)
Subject: Added CursorPair::get_cursor_offsets()
X-Git-Tag: pulseview-0.1.0~32
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=199441e4fe68f1ee45f3d4b7617a7166a87c7926;p=pulseview.git

Added CursorPair::get_cursor_offsets()
---

diff --git a/pv/view/cursor.cpp b/pv/view/cursor.cpp
index 855bfa01..809a0501 100644
--- a/pv/view/cursor.cpp
+++ b/pv/view/cursor.cpp
@@ -58,9 +58,15 @@ QRectF Cursor::get_label_rect(const QRect &rect) const
 	const QSizeF label_size(
 		_text_size.width() + View::LabelPadding.width() * 2,
 		_text_size.height() + View::LabelPadding.height() * 2);
-	return QRectF(x - label_size.width() / 2 - 0.5f,
-		rect.height() - label_size.height() - Offset - ArrowSize - 0.5f,
-		label_size.width() + 1, label_size.height() + 1);
+	const float top = rect.height() - label_size.height() -
+		Cursor::Offset - Cursor::ArrowSize - 0.5f;
+	const float height = label_size.height() + 1;
+
+	if (_time > _other.time())
+		return QRectF(x, top, label_size.width(), height);
+	else
+		return QRectF(x - label_size.width(), top,
+			label_size.width(), height);
 }
 
 void Cursor::paint_label(QPainter &p, const QRect &rect,
diff --git a/pv/view/cursorpair.cpp b/pv/view/cursorpair.cpp
index feac91d2..5ce398a0 100644
--- a/pv/view/cursorpair.cpp
+++ b/pv/view/cursorpair.cpp
@@ -69,10 +69,11 @@ void CursorPair::draw_viewport_background(QPainter &p,
 	p.setPen(Qt::NoPen);
 	p.setBrush(QBrush(View::CursorAreaColour));
 
-	const float x1 = (_first.time() - _view.offset()) / _view.scale();
-	const float x2 = (_second.time() - _view.offset()) / _view.scale();
-	const int l = (int)max(min(x1, x2), 0.0f);
-	const int r = (int)min(max(x1, x2), (float)rect.width());
+	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());
 }
@@ -84,5 +85,12 @@ void CursorPair::draw_viewport_foreground(QPainter &p,
 	_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
diff --git a/pv/view/cursorpair.h b/pv/view/cursorpair.h
index 05035cc2..b152b808 100644
--- a/pv/view/cursorpair.h
+++ b/pv/view/cursorpair.h
@@ -67,6 +67,8 @@ public:
 
 	void draw_viewport_foreground(QPainter &p, const QRect &rect);
 
+	std::pair<float, float> get_cursor_offsets() const;
+
 private:
 	Cursor _first, _second;
 	const View &_view;