CursorHeader: Make the size dependend on the used font.

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

diff --git a/pv/view/cursorheader.cpp b/pv/view/cursorheader.cpp
index d1660276417d65a79e42a628aeee87cfd92bc716..861cd70f535249209268e6cc24b078e6a4f1ba62 100644 (file)
--- a/pv/view/cursorheader.cpp
+++ b/pv/view/cursorheader.cpp
@@ -23,6 +23,7 @@
 #include "view.h"
 
 #include <QApplication>
+#include <QFontMetrics>
 #include <QMouseEvent>
 
 #include <pv/widgets/popup.h>
@@ -32,18 +33,26 @@ using std::shared_ptr;
 namespace pv {
 namespace view {
 
-const int CursorHeader::CursorHeaderHeight = 26;
+const int CursorHeader::Padding = 20;
+
+int CursorHeader::calculateTextHeight()
+{
+       QFontMetrics fm(font());
+       return fm.boundingRect(0, 0, INT_MAX, INT_MAX,
+               Qt::AlignLeft | Qt::AlignTop, "8").height();
+}
 
 CursorHeader::CursorHeader(View &parent) :
        MarginWidget(parent),
-       _dragging(false)
+       _dragging(false),
+       _textHeight(calculateTextHeight())
 {
        setMouseTracking(true);
 }
 
 QSize CursorHeader::sizeHint() const
 {
-       return QSize(0, CursorHeaderHeight);
+       return QSize(0, _textHeight + Padding);
 }
 
 void CursorHeader::clear_selection()