Ruler: Removed text_height_

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

diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
index d08cfc43f3a1352c340f2a90b25cfbee3092da4b..5bb73f63a821c25052a7c28f351a4ba3e524932e 100644 (file)
--- a/pv/view/ruler.cpp
+++ b/pv/view/ruler.cpp
@@ -47,8 +47,7 @@ const int Ruler::Padding = 20;
 const int Ruler::BaselineOffset = 5;
 
 Ruler::Ruler(View &parent) :
-       MarginWidget(parent),
-       text_height_(calculate_text_height())
+       MarginWidget(parent)
 {
        setMouseTracking(true);
 
@@ -71,8 +70,9 @@ QSize Ruler::sizeHint() const
 
 QSize Ruler::extended_size_hint() const
 {
+       const int text_height = calculate_text_height();
        return QSize(0, RulerHeight +
-               (text_height_ + Padding + BaselineOffset) / 2);
+               (text_height + Padding + BaselineOffset) / 2);
 }
 
 void Ruler::paintEvent(QPaintEvent*)
@@ -98,7 +98,8 @@ void Ruler::paintEvent(QPaintEvent*)
        int division = (int)round(first_minor_division -
                first_major_division * MinorTickSubdivision) - 1;
 
-       const int major_tick_y1 = text_height_ + ValueMargin * 2;
+       const int text_height = calculate_text_height();
+       const int major_tick_y1 = text_height + ValueMargin * 2;
        const int tick_y2 = RulerHeight;
        const int minor_tick_y1 = (major_tick_y1 + tick_y2) / 2;
 
@@ -111,7 +112,7 @@ void Ruler::paintEvent(QPaintEvent*)
                if (division % MinorTickSubdivision == 0)
                {
                        // Draw a major tick
-                       p.drawText(x, ValueMargin, 0, text_height_,
+                       p.drawText(x, ValueMargin, 0, text_height,
                                AlignCenter | AlignTop | TextDontClip,
                                pv::util::format_time(t, prefix));
                        p.drawLine(QPointF(x, major_tick_y1),
@@ -258,7 +259,7 @@ void Ruler::draw_hover_mark(QPainter &p)
        p.drawPolygon(points, countof(points));
 }
 
-int Ruler::calculate_text_height()
+int Ruler::calculate_text_height() const
 {
        QFontMetrics fm(font());
        return fm.boundingRect(0, 0, INT_MAX, INT_MAX,