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From 3a16cfe89d75d5a51c99f0fc14fde7f9a41743c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcus=20M=C3=BCller?= <mmueller@gnuradio.org>
Date: Sat, 7 Jun 2025 21:46:09 +0200
Subject: [PATCH 19/41] whole-tree: use container.empty() instead of .length()
< 1 (maint-3.10)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Marcus Müller <mmueller@gnuradio.org>
---
gr-qtgui/lib/EyeDisplayPlot.cc | 2 +-
gr-qtgui/lib/FrequencyDisplayPlot.cc | 2 +-
gr-qtgui/lib/TimeDomainDisplayPlot.cc | 2 +-
gr-qtgui/lib/TimeRasterDisplayPlot.cc | 4 ++--
gr-qtgui/lib/numberdisplayform.cc | 2 +-
5 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/gr-qtgui/lib/EyeDisplayPlot.cc b/gr-qtgui/lib/EyeDisplayPlot.cc
index 8b7fc1bb77..f39ff18dca 100644
--- a/gr-qtgui/lib/EyeDisplayPlot.cc
+++ b/gr-qtgui/lib/EyeDisplayPlot.cc
@@ -474,7 +474,7 @@ void EyeDisplayPlot::setTagBackgroundStyle(Qt::BrushStyle b)
void EyeDisplayPlot::setYLabel(const std::string& label, const std::string& unit)
{
std::string l = label;
- if (unit.length() > 0)
+ if (!unit.empty())
l += " (" + unit + ")";
QwtText yAxisTitle(QString(l.c_str()));
setAxisTitle(QwtPlot::yLeft, yAxisTitle);
diff --git a/gr-qtgui/lib/FrequencyDisplayPlot.cc b/gr-qtgui/lib/FrequencyDisplayPlot.cc
index d07896d28a..16dcf99f55 100644
--- a/gr-qtgui/lib/FrequencyDisplayPlot.cc
+++ b/gr-qtgui/lib/FrequencyDisplayPlot.cc
@@ -481,7 +481,7 @@ void FrequencyDisplayPlot::onPickerPointSelected(const QPointF& p)
void FrequencyDisplayPlot::setYLabel(const std::string& label, const std::string& unit)
{
std::string l = label;
- if (unit.length() > 0)
+ if (!unit.empty())
l += " (" + unit + ")";
setAxisTitle(QwtPlot::yLeft, QString(l.c_str()));
static_cast<FreqDisplayZoomer*>(d_zoomer)->setYUnit(unit);
diff --git a/gr-qtgui/lib/TimeDomainDisplayPlot.cc b/gr-qtgui/lib/TimeDomainDisplayPlot.cc
index 5d5e0cabe9..3b656df55d 100644
--- a/gr-qtgui/lib/TimeDomainDisplayPlot.cc
+++ b/gr-qtgui/lib/TimeDomainDisplayPlot.cc
@@ -516,7 +516,7 @@ void TimeDomainDisplayPlot::setTagBackgroundStyle(Qt::BrushStyle b)
void TimeDomainDisplayPlot::setYLabel(const std::string& label, const std::string& unit)
{
std::string l = label;
- if (unit.length() > 0)
+ if (!unit.empty())
l += " (" + unit + ")";
setAxisTitle(QwtPlot::yLeft, QString(l.c_str()));
((TimeDomainDisplayZoomer*)d_zoomer)->setYUnitType(unit);
diff --git a/gr-qtgui/lib/TimeRasterDisplayPlot.cc b/gr-qtgui/lib/TimeRasterDisplayPlot.cc
index cecd0af1d0..8e09281078 100644
--- a/gr-qtgui/lib/TimeRasterDisplayPlot.cc
+++ b/gr-qtgui/lib/TimeRasterDisplayPlot.cc
@@ -440,14 +440,14 @@ void TimeRasterDisplayPlot::reset()
QwtXScaleDraw* xScale = (QwtXScaleDraw*)axisScaleDraw(QwtPlot::xBottom);
xScale->setSecondsPerLine(sec_per_samp);
- if (d_x_label.length() > 0) {
+ if (!d_x_label.empty()) {
setAxisTitle(QwtPlot::xBottom, QString(d_x_label.c_str()));
} else {
setAxisTitle(QwtPlot::xBottom, QString("Time (%1)").arg(strunits[iunit].c_str()));
}
xScale->initiateUpdate();
- if (d_y_label.length() > 0) {
+ if (!d_y_label.empty()) {
setAxisTitle(QwtPlot::yLeft, d_y_label.c_str());
}
diff --git a/gr-qtgui/lib/numberdisplayform.cc b/gr-qtgui/lib/numberdisplayform.cc
index afa291e4ab..30b050adce 100644
--- a/gr-qtgui/lib/numberdisplayform.cc
+++ b/gr-qtgui/lib/numberdisplayform.cc
@@ -379,7 +379,7 @@ std::string NumberDisplayForm::title() const { return d_title->text().toStdStrin
void NumberDisplayForm::setTitle(const std::string& title)
{
std::string t = title;
- if (t.length() > 0)
+ if (!t.empty())
t = "<b><FONT SIZE=4>" + title + "</b>";
d_title->setText(QString(t.c_str()));
setGraphType(d_graph_type);
--
2.47.3
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