X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=eb658e484bb4af8ec9f522a34869731144005230;hp=350e49dcff0a2ee14656173ced94b422a9fc2697;hb=ad1d8e2b737106c3210706a8ee8c537dbd438bfb;hpb=3f509c1f40fa91f3bf4468b648cdb01bc45b0cb8 diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp index 350e49dc..eb658e48 100644 --- a/pv/view/ruler.cpp +++ b/pv/view/ruler.cpp @@ -59,12 +59,27 @@ Ruler::Ruler(View &parent) : this, SLOT(hover_point_changed())); } +QString Ruler::format_time(double t, unsigned int prefix, + unsigned int precision) +{ + const double multiplier = pow(10.0, + - prefix * 3 - FirstSIPrefixPower); + + QString s; + QTextStream ts(&s); + ts.setRealNumberPrecision(precision); + ts << fixed << forcesign << (t * multiplier) << + SIPrefixes[prefix] << "s"; + return s; +} + void Ruler::paintEvent(QPaintEvent*) { using namespace Qt; const double SpacingIncrement = 32.0f; const double MinValueSpacing = 32.0f; + const int ValueMargin = 3; QPainter p(this); p.setRenderHint(QPainter::Antialiasing); @@ -72,7 +87,6 @@ void Ruler::paintEvent(QPaintEvent*) double min_width = SpacingIncrement, typical_width; double tick_period; unsigned int prefix; - double multiplier; // Find tick spacing, and number formatting that does not cause // value to collide. @@ -93,11 +107,10 @@ void Ruler::paintEvent(QPaintEvent*) prefix = (order - FirstSIPrefixPower) / 3; assert(prefix < countof(SIPrefixes)); - multiplier = pow(10.0, - prefix * 3 - FirstSIPrefixPower); typical_width = p.boundingRect(0, 0, INT_MAX, INT_MAX, AlignLeft | AlignTop, format_time(_view.offset(), - multiplier, prefix)).width() + MinValueSpacing; + prefix)).width() + MinValueSpacing; min_width += SpacingIncrement; @@ -118,6 +131,11 @@ void Ruler::paintEvent(QPaintEvent*) int division = (int)round(first_minor_division - first_major_division * MinorTickSubdivision); + + const int major_tick_y1 = text_height + ValueMargin * 2; + const int tick_y2 = height(); + const int minor_tick_y1 = (major_tick_y1 + tick_y2) / 2; + while (1) { const double t = t0 + division * minor_tick_period; @@ -129,24 +147,24 @@ void Ruler::paintEvent(QPaintEvent*) if (division % MinorTickSubdivision == 0) { // Draw a major tick - p.drawText(x, 0, 0, text_height, AlignCenter | - AlignTop | TextDontClip, - format_time(t, multiplier, prefix)); - p.drawLine(QPointF(x, text_height), - QPointF(x, height())); + p.drawText(x, ValueMargin, 0, text_height, + AlignCenter | AlignTop | TextDontClip, + format_time(t, prefix)); + p.drawLine(QPointF(x, major_tick_y1), + QPointF(x, tick_y2)); } else { // Draw a minor tick - p.drawLine(QPointF(x, (text_height + height()) / 2), - QPointF(x, height())); + p.drawLine(QPointF(x, minor_tick_y1), + QPointF(x, tick_y2)); } division++; } // Draw the cursors - draw_cursors(p); + draw_cursors(p, prefix); // Draw the hover mark draw_hover_mark(p); @@ -186,26 +204,15 @@ void Ruler::mouseReleaseEvent(QMouseEvent *) _grabbed_marker = NULL; } -QString Ruler::format_time(double t, double multiplier, - unsigned int prefix) -{ - QString s; - QTextStream ts(&s); - ts.setRealNumberPrecision(0); - ts << fixed << forcesign << (t * multiplier) << - SIPrefixes[prefix] << "s"; - return s; -} - -void Ruler::draw_cursors(QPainter &p) +void Ruler::draw_cursors(QPainter &p, unsigned int prefix) { if (!_view.cursors_shown()) return; const QRect r = rect(); pair &cursors = _view.cursors(); - cursors.first.paint_label(p, r); - cursors.second.paint_label(p, r); + cursors.first.paint_label(p, r, prefix); + cursors.second.paint_label(p, r, prefix); } void Ruler::draw_hover_mark(QPainter &p) @@ -216,7 +223,7 @@ void Ruler::draw_hover_mark(QPainter &p) return; p.setPen(QPen(Qt::NoPen)); - p.setBrush(QBrush(QColor(Qt::black))); + p.setBrush(QBrush(palette().color(foregroundRole()))); const int b = height() - 1; const QPointF points[] = {