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freqdisplay: make only the display area transparent, not the settings bar

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Agent-Logs-Url: https://github.com/srcejon/sdrangel/sessions/b295b0a4-ffcc-41dc-9e86-f204ec06d389

Co-authored-by: srcejon <57259258+srcejon@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-04-18 19:46:11 +00:00 committed by GitHub
parent 8e87c391cf
commit 081f4d5644
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2 changed files with 9 additions and 21 deletions
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28
plugins/feature/freqdisplay/freqdisplaygui.cpp
View File

@ -18,9 +18,6 @@ constexpr int minimumFrequencyFontPointSize = 10;
// Reference point size used when probing text metrics in updateFrequencyFont().
// Large enough that integer rounding in QFontMetrics is negligible.
constexpr int fontProbePointSize = 200;
// Stylesheet applied to this window when transparency is enabled.
// The '*' universal selector cascades to every child widget.
constexpr const char* transparentStyleSheet = "* { background: transparent; border: none; }";
}
FreqDisplayGUI* FreqDisplayGUI::create(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *feature)
@ -367,23 +364,14 @@ void FreqDisplayGUI::updateFrequencyFont()
void FreqDisplayGUI::applyTransparency()
{
if (m_settings.m_transparentBackground)
{
// Override the FeatureGUI stylesheet on the entire window using the '*'
// universal selector so that every child widget's background is also
// cleared. Combined with WA_TranslucentBackground (set in the constructor)
// this makes the sub-window show whatever is rendered behind it in the
// MDI area instead of the normal solid background.
setStyleSheet(transparentStyleSheet);
}
else
{
// Restore the stylesheet that FeatureGUI set at construction time.
setStyleSheet(m_normalStyleSheet);
// Also clear any per-widget overrides from previous transparent runs.
ui->settingsContainer->setStyleSheet(QString());
ui->frequencyValue->setStyleSheet(QString());
}
// Always keep the window-level stylesheet and the settings bar looking normal.
setStyleSheet(m_normalStyleSheet);
ui->settingsContainer->setStyleSheet(QString());
// Apply or remove transparency on the display area only.
const QString displayStyle = m_settings.m_transparentBackground ? "background: transparent;" : QString();
ui->horizontalWidget->setStyleSheet(displayStyle);
ui->frequencyValue->setStyleSheet(displayStyle);
}
void FreqDisplayGUI::on_displayMode_currentIndexChanged(int index)

2
plugins/feature/freqdisplay/freqdisplaygui.ui
View File

@ -124,7 +124,7 @@
<item>
<widget class="ButtonSwitch" name="transparentBackground">
<property name="toolTip">
<string>Toggle transparent window background</string>
<string>Toggle transparent background for the display area</string>
</property>
<property name="text">
<string>T</string>