X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fviewport.cpp;h=44c912a1acf1ccc117718d09cbc45b816e64a284;hp=e9a9df0c89b4fb4e934a24f33f0ac0f6c15df7eb;hb=633e8ade5289eff00c7137f59269361aa547449a;hpb=a3d5a7c7682ebb991718b49ae916c5840b3b6b51

diff --git a/pv/views/trace/viewport.cpp b/pv/views/trace/viewport.cpp
index e9a9df0c..44c912a1 100644
--- a/pv/views/trace/viewport.cpp
+++ b/pv/views/trace/viewport.cpp
@@ -30,6 +30,8 @@
 #include <pv/session.hpp>
 
 #include <QMouseEvent>
+#include <QScreen>
+#include <QWindow>
 
 #include <QDebug>
 
@@ -64,9 +66,9 @@ shared_ptr<ViewItem> Viewport::get_mouse_over_item(const QPoint &pt)
 	return nullptr;
 }
 
-void Viewport::item_hover(const shared_ptr<ViewItem> &item)
+void Viewport::item_hover(const shared_ptr<ViewItem> &item, QPoint pos)
 {
-	if (item && item->is_draggable())
+	if (item && item->is_draggable(pos))
 		setCursor(dynamic_pointer_cast<RowItem>(item) ?
 			Qt::SizeVerCursor : Qt::SizeHorCursor);
 	else
@@ -172,16 +174,19 @@ void Viewport::paintEvent(QPaintEvent*)
 		[](const shared_ptr<TimeItem> &t) { return !t; }));
 
 	QPainter p(this);
-	p.setRenderHint(QPainter::Antialiasing);
+
+	bool useAntialiasing =
+		window()->windowHandle()->screen()->devicePixelRatio() < 2.0;
+	p.setRenderHint(QPainter::Antialiasing, useAntialiasing);
 
 	for (LayerPaintFunc *paint_func = layer_paint_funcs;
 			*paint_func; paint_func++) {
 		ViewItemPaintParams time_pp(rect(), view_.scale(), view_.offset());
-		for (const shared_ptr<TimeItem> t : time_items)
+		for (const shared_ptr<TimeItem>& t : time_items)
 			(t.get()->*(*paint_func))(p, time_pp);
 
 		ViewItemPaintParams row_pp(rect(), view_.scale(), view_.offset());
-		for (const shared_ptr<RowItem> r : row_items)
+		for (const shared_ptr<RowItem>& r : row_items)
 			(r.get()->*(*paint_func))(p, row_pp);
 	}